1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 /* SPDX-License-Identifier: GPL-2.0 */ /* * include/linux/signalfd.h * * Copyright (C) 2007 Davide Libenzi <davidel@xmailserver.org> * */ #ifndef _LINUX_SIGNALFD_H #define _LINUX_SIGNALFD_H #include <uapi/linux/signalfd.h> #include <linux/sched/signal.h> #ifdef CONFIG_SIGNALFD /* * Deliver the signal to listening signalfd. */ static inline void signalfd_notify(struct task_struct *tsk, int sig) { if (unlikely(waitqueue_active(&tsk->sighand->signalfd_wqh))) wake_up(&tsk->sighand->signalfd_wqh); } extern void signalfd_cleanup(struct sighand_struct *sighand); #else /* CONFIG_SIGNALFD */ static inline void signalfd_notify(struct task_struct *tsk, int sig) { } static inline void signalfd_cleanup(struct sighand_struct *sighand) { } #endif /* CONFIG_SIGNALFD */ #endif /* _LINUX_SIGNALFD_H */
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 /* SPDX-License-Identifier: GPL-2.0 */ /* * generic net pointers */ #ifndef __NET_GENERIC_H__ #define __NET_GENERIC_H__ #include <linux/bug.h> #include <linux/rcupdate.h> /* * Generic net pointers are to be used by modules to put some private * stuff on the struct net without explicit struct net modification * * The rules are simple: * 1. set pernet_operations->id. After register_pernet_device you * will have the id of your private pointer. * 2. set pernet_operations->size to have the code allocate and free * a private structure pointed to from struct net. * 3. do not change this pointer while the net is alive; * 4. do not try to have any private reference on the net_generic object. * * After accomplishing all of the above, the private pointer can be * accessed with the net_generic() call. */ struct net_generic { union { struct { unsigned int len; struct rcu_head rcu; } s; void *ptr[0]; }; }; static inline void *net_generic(const struct net *net, unsigned int id) { struct net_generic *ng; void *ptr; rcu_read_lock(); ng = rcu_dereference(net->gen); ptr = ng->ptr[id]; rcu_read_unlock(); return ptr; } #endif
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 /* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_UACCESS_64_H #define _ASM_X86_UACCESS_64_H /* * User space memory access functions */ #include <linux/compiler.h> #include <linux/lockdep.h> #include <linux/kasan-checks.h> #include <asm/alternative.h> #include <asm/cpufeatures.h> #include <asm/page.h> /* * Copy To/From Userspace */ /* Handles exceptions in both to and from, but doesn't do access_ok */ __must_check unsigned long copy_user_enhanced_fast_string(void *to, const void *from, unsigned len); __must_check unsigned long copy_user_generic_string(void *to, const void *from, unsigned len); __must_check unsigned long copy_user_generic_unrolled(void *to, const void *from, unsigned len); static __always_inline __must_check unsigned long copy_user_generic(void *to, const void *from, unsigned len) { unsigned ret; /* * If CPU has ERMS feature, use copy_user_enhanced_fast_string. * Otherwise, if CPU has rep_good feature, use copy_user_generic_string. * Otherwise, use copy_user_generic_unrolled. */ alternative_call_2(copy_user_generic_unrolled, copy_user_generic_string, X86_FEATURE_REP_GOOD, copy_user_enhanced_fast_string, X86_FEATURE_ERMS, ASM_OUTPUT2("=a" (ret), "=D" (to), "=S" (from), "=d" (len)), "1" (to), "2" (from), "3" (len) : "memory", "rcx", "r8", "r9", "r10", "r11"); return ret; } static __always_inline __must_check unsigned long raw_copy_from_user(void *dst, const void __user *src, unsigned long size) { return copy_user_generic(dst, (__force void *)src, size); } static __always_inline __must_check unsigned long raw_copy_to_user(void __user *dst, const void *src, unsigned long size) { return copy_user_generic((__force void *)dst, src, size); } static __always_inline __must_check unsigned long raw_copy_in_user(void __user *dst, const void __user *src, unsigned long size) { return copy_user_generic((__force void *)dst, (__force void *)src, size); } extern long __copy_user_nocache(void *dst, const void __user *src, unsigned size, int zerorest); extern long __copy_user_flushcache(void *dst, const void __user *src, unsigned size); extern void memcpy_page_flushcache(char *to, struct page *page, size_t offset, size_t len); static inline int __copy_from_user_inatomic_nocache(void *dst, const void __user *src, unsigned size) { kasan_check_write(dst, size); return __copy_user_nocache(dst, src, size, 0); } static inline int __copy_from_user_flushcache(void *dst, const void __user *src, unsigned size) { kasan_check_write(dst, size); return __copy_user_flushcache(dst, src, size); } #endif /* _ASM_X86_UACCESS_64_H */
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 /* SPDX-License-Identifier: GPL-2.0 */ /* * Connection state tracking for netfilter. This is separated from, * but required by, the (future) NAT layer; it can also be used by an iptables * extension. * * 16 Dec 2003: Yasuyuki Kozakai @USAGI <yasuyuki.kozakai@toshiba.co.jp> * - generalize L3 protocol dependent part. * * Derived from include/linux/netfiter_ipv4/ip_conntrack.h */ #ifndef _NF_CONNTRACK_H #define _NF_CONNTRACK_H #include <linux/bitops.h> #include <linux/compiler.h> #include <linux/netfilter/nf_conntrack_common.h> #include <linux/netfilter/nf_conntrack_tcp.h> #include <linux/netfilter/nf_conntrack_dccp.h> #include <linux/netfilter/nf_conntrack_sctp.h> #include <linux/netfilter/nf_conntrack_proto_gre.h> #include <net/netfilter/nf_conntrack_tuple.h> struct nf_ct_udp { unsigned long stream_ts; }; /* per conntrack: protocol private data */ union nf_conntrack_proto { /* insert conntrack proto private data here */ struct nf_ct_dccp dccp; struct ip_ct_sctp sctp; struct ip_ct_tcp tcp; struct nf_ct_udp udp; struct nf_ct_gre gre; unsigned int tmpl_padto; }; union nf_conntrack_expect_proto { /* insert expect proto private data here */ }; struct nf_conntrack_net { unsigned int users4; unsigned int users6; unsigned int users_bridge; }; #include <linux/types.h> #include <linux/skbuff.h> #include <net/netfilter/ipv4/nf_conntrack_ipv4.h> #include <net/netfilter/ipv6/nf_conntrack_ipv6.h> struct nf_conn { /* Usage count in here is 1 for hash table, 1 per skb, * plus 1 for any connection(s) we are `master' for * * Hint, SKB address this struct and refcnt via skb->_nfct and * helpers nf_conntrack_get() and nf_conntrack_put(). * Helper nf_ct_put() equals nf_conntrack_put() by dec refcnt, * beware nf_ct_get() is different and don't inc refcnt. */ struct nf_conntrack ct_general; spinlock_t lock; /* jiffies32 when this ct is considered dead */ u32 timeout; #ifdef CONFIG_NF_CONNTRACK_ZONES struct nf_conntrack_zone zone; #endif /* XXX should I move this to the tail ? - Y.K */ /* These are my tuples; original and reply */ struct nf_conntrack_tuple_hash tuplehash[IP_CT_DIR_MAX]; /* Have we seen traffic both ways yet? (bitset) */ unsigned long status; u16 cpu; possible_net_t ct_net; #if IS_ENABLED(CONFIG_NF_NAT) struct hlist_node nat_bysource; #endif /* all members below initialized via memset */ struct { } __nfct_init_offset; /* If we were expected by an expectation, this will be it */ struct nf_conn *master; #if defined(CONFIG_NF_CONNTRACK_MARK) u_int32_t mark; #endif #ifdef CONFIG_NF_CONNTRACK_SECMARK u_int32_t secmark; #endif /* Extensions */ struct nf_ct_ext *ext; /* Storage reserved for other modules, must be the last member */ union nf_conntrack_proto proto; }; static inline struct nf_conn * nf_ct_tuplehash_to_ctrack(const struct nf_conntrack_tuple_hash *hash) { return container_of(hash, struct nf_conn, tuplehash[hash->tuple.dst.dir]); } static inline u_int16_t nf_ct_l3num(const struct nf_conn *ct) { return ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.l3num; } static inline u_int8_t nf_ct_protonum(const struct nf_conn *ct) { return ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.dst.protonum; } #define nf_ct_tuple(ct, dir) (&(ct)->tuplehash[dir].tuple) /* get master conntrack via master expectation */ #define master_ct(conntr) (conntr->master) extern struct net init_net; static inline struct net *nf_ct_net(const struct nf_conn *ct) { return read_pnet(&ct->ct_net); } /* Alter reply tuple (maybe alter helper). */ void nf_conntrack_alter_reply(struct nf_conn *ct, const struct nf_conntrack_tuple *newreply); /* Is this tuple taken? (ignoring any belonging to the given conntrack). */ int nf_conntrack_tuple_taken(const struct nf_conntrack_tuple *tuple, const struct nf_conn *ignored_conntrack); /* Return conntrack_info and tuple hash for given skb. */ static inline struct nf_conn * nf_ct_get(const struct sk_buff *skb, enum ip_conntrack_info *ctinfo) { unsigned long nfct = skb_get_nfct(skb); *ctinfo = nfct & NFCT_INFOMASK; return (struct nf_conn *)(nfct & NFCT_PTRMASK); } /* decrement reference count on a conntrack */ static inline void nf_ct_put(struct nf_conn *ct) { WARN_ON(!ct); nf_conntrack_put(&ct->ct_general); } /* Protocol module loading */ int nf_ct_l3proto_try_module_get(unsigned short l3proto); void nf_ct_l3proto_module_put(unsigned short l3proto); /* load module; enable/disable conntrack in this namespace */ int nf_ct_netns_get(struct net *net, u8 nfproto); void nf_ct_netns_put(struct net *net, u8 nfproto); /* * Allocate a hashtable of hlist_head (if nulls == 0), * or hlist_nulls_head (if nulls == 1) */ void *nf_ct_alloc_hashtable(unsigned int *sizep, int nulls); int nf_conntrack_hash_check_insert(struct nf_conn *ct); bool nf_ct_delete(struct nf_conn *ct, u32 pid, int report); bool nf_ct_get_tuplepr(const struct sk_buff *skb, unsigned int nhoff, u_int16_t l3num, struct net *net, struct nf_conntrack_tuple *tuple); void __nf_ct_refresh_acct(struct nf_conn *ct, enum ip_conntrack_info ctinfo, const struct sk_buff *skb, u32 extra_jiffies, bool do_acct); /* Refresh conntrack for this many jiffies and do accounting */ static inline void nf_ct_refresh_acct(struct nf_conn *ct, enum ip_conntrack_info ctinfo, const struct sk_buff *skb, u32 extra_jiffies) { __nf_ct_refresh_acct(ct, ctinfo, skb, extra_jiffies, true); } /* Refresh conntrack for this many jiffies */ static inline void nf_ct_refresh(struct nf_conn *ct, const struct sk_buff *skb, u32 extra_jiffies) { __nf_ct_refresh_acct(ct, 0, skb, extra_jiffies, false); } /* kill conntrack and do accounting */ bool nf_ct_kill_acct(struct nf_conn *ct, enum ip_conntrack_info ctinfo, const struct sk_buff *skb); /* kill conntrack without accounting */ static inline bool nf_ct_kill(struct nf_conn *ct) { return nf_ct_delete(ct, 0, 0); } /* Set all unconfirmed conntrack as dying */ void nf_ct_unconfirmed_destroy(struct net *); /* Iterate over all conntracks: if iter returns true, it's deleted. */ void nf_ct_iterate_cleanup_net(struct net *net, int (*iter)(struct nf_conn *i, void *data), void *data, u32 portid, int report); /* also set unconfirmed conntracks as dying. Only use in module exit path. */ void nf_ct_iterate_destroy(int (*iter)(struct nf_conn *i, void *data), void *data); struct nf_conntrack_zone; void nf_conntrack_free(struct nf_conn *ct); struct nf_conn *nf_conntrack_alloc(struct net *net, const struct nf_conntrack_zone *zone, const struct nf_conntrack_tuple *orig, const struct nf_conntrack_tuple *repl, gfp_t gfp); static inline int nf_ct_is_template(const struct nf_conn *ct) { return test_bit(IPS_TEMPLATE_BIT, &ct->status); } /* It's confirmed if it is, or has been in the hash table. */ static inline int nf_ct_is_confirmed(const struct nf_conn *ct) { return test_bit(IPS_CONFIRMED_BIT, &ct->status); } static inline int nf_ct_is_dying(const struct nf_conn *ct) { return test_bit(IPS_DYING_BIT, &ct->status); } /* Packet is received from loopback */ static inline bool nf_is_loopback_packet(const struct sk_buff *skb) { return skb->dev && skb->skb_iif && skb->dev->flags & IFF_LOOPBACK; } #define nfct_time_stamp ((u32)(jiffies)) /* jiffies until ct expires, 0 if already expired */ static inline unsigned long nf_ct_expires(const struct nf_conn *ct) { s32 timeout = READ_ONCE(ct->timeout) - nfct_time_stamp; return timeout > 0 ? timeout : 0; } static inline bool nf_ct_is_expired(const struct nf_conn *ct) { return (__s32)(READ_ONCE(ct->timeout) - nfct_time_stamp) <= 0; } /* use after obtaining a reference count */ static inline bool nf_ct_should_gc(const struct nf_conn *ct) { return nf_ct_is_expired(ct) && nf_ct_is_confirmed(ct) && !nf_ct_is_dying(ct); } #define NF_CT_DAY (86400 * HZ) /* Set an arbitrary timeout large enough not to ever expire, this save * us a check for the IPS_OFFLOAD_BIT from the packet path via * nf_ct_is_expired(). */ static inline void nf_ct_offload_timeout(struct nf_conn *ct) { if (nf_ct_expires(ct) < NF_CT_DAY / 2) WRITE_ONCE(ct->timeout, nfct_time_stamp + NF_CT_DAY); } struct kernel_param; int nf_conntrack_set_hashsize(const char *val, const struct kernel_param *kp); int nf_conntrack_hash_resize(unsigned int hashsize); extern struct hlist_nulls_head *nf_conntrack_hash; extern unsigned int nf_conntrack_htable_size; extern seqcount_spinlock_t nf_conntrack_generation; extern unsigned int nf_conntrack_max; /* must be called with rcu read lock held */ static inline void nf_conntrack_get_ht(struct hlist_nulls_head **hash, unsigned int *hsize) { struct hlist_nulls_head *hptr; unsigned int sequence, hsz; do { sequence = read_seqcount_begin(&nf_conntrack_generation); hsz = nf_conntrack_htable_size; hptr = nf_conntrack_hash; } while (read_seqcount_retry(&nf_conntrack_generation, sequence)); *hash = hptr; *hsize = hsz; } struct nf_conn *nf_ct_tmpl_alloc(struct net *net, const struct nf_conntrack_zone *zone, gfp_t flags); void nf_ct_tmpl_free(struct nf_conn *tmpl); u32 nf_ct_get_id(const struct nf_conn *ct); static inline void nf_ct_set(struct sk_buff *skb, struct nf_conn *ct, enum ip_conntrack_info info) { skb_set_nfct(skb, (unsigned long)ct | info); } #define NF_CT_STAT_INC(net, count) __this_cpu_inc((net)->ct.stat->count) #define NF_CT_STAT_INC_ATOMIC(net, count) this_cpu_inc((net)->ct.stat->count) #define NF_CT_STAT_ADD_ATOMIC(net, count, v) this_cpu_add((net)->ct.stat->count, (v)) #define MODULE_ALIAS_NFCT_HELPER(helper) \ MODULE_ALIAS("nfct-helper-" helper) #endif /* _NF_CONNTRACK_H */
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 /* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_TTY_FLIP_H #define _LINUX_TTY_FLIP_H extern int tty_buffer_set_limit(struct tty_port *port, int limit); extern int tty_buffer_space_avail(struct tty_port *port); extern int tty_buffer_request_room(struct tty_port *port, size_t size); extern int tty_insert_flip_string_flags(struct tty_port *port, const unsigned char *chars, const char *flags, size_t size); extern int tty_insert_flip_string_fixed_flag(struct tty_port *port, const unsigned char *chars, char flag, size_t size); extern int tty_prepare_flip_string(struct tty_port *port, unsigned char **chars, size_t size); extern void tty_flip_buffer_push(struct tty_port *port); void tty_schedule_flip(struct tty_port *port); int __tty_insert_flip_char(struct tty_port *port, unsigned char ch, char flag); static inline int tty_insert_flip_char(struct tty_port *port, unsigned char ch, char flag) { struct tty_buffer *tb = port->buf.tail; int change; change = (tb->flags & TTYB_NORMAL) && (flag != TTY_NORMAL); if (!change && tb->used < tb->size) { if (~tb->flags & TTYB_NORMAL) *flag_buf_ptr(tb, tb->used) = flag; *char_buf_ptr(tb, tb->used++) = ch; return 1; } return __tty_insert_flip_char(port, ch, flag); } static inline int tty_insert_flip_string(struct tty_port *port, const unsigned char *chars, size_t size) { return tty_insert_flip_string_fixed_flag(port, chars, TTY_NORMAL, size); } extern void tty_buffer_lock_exclusive(struct tty_port *port); extern void tty_buffer_unlock_exclusive(struct tty_port *port); #endif /* _LINUX_TTY_FLIP_H */
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 /* SPDX-License-Identifier: GPL-2.0 */ #ifndef __CGROUP_INTERNAL_H #define __CGROUP_INTERNAL_H #include <linux/cgroup.h> #include <linux/kernfs.h> #include <linux/workqueue.h> #include <linux/list.h> #include <linux/refcount.h> #include <linux/fs_parser.h> #define TRACE_CGROUP_PATH_LEN 1024 extern spinlock_t trace_cgroup_path_lock; extern char trace_cgroup_path[TRACE_CGROUP_PATH_LEN]; extern bool cgroup_debug; extern void __init enable_debug_cgroup(void); /* * cgroup_path() takes a spin lock. It is good practice not to take * spin locks within trace point handlers, as they are mostly hidden * from normal view. As cgroup_path() can take the kernfs_rename_lock * spin lock, it is best to not call that function from the trace event * handler. * * Note: trace_cgroup_##type##_enabled() is a static branch that will only * be set when the trace event is enabled. */ #define TRACE_CGROUP_PATH(type, cgrp, ...) \ do { \ if (trace_cgroup_##type##_enabled()) { \ unsigned long flags; \ spin_lock_irqsave(&trace_cgroup_path_lock, \ flags); \ cgroup_path(cgrp, trace_cgroup_path, \ TRACE_CGROUP_PATH_LEN); \ trace_cgroup_##type(cgrp, trace_cgroup_path, \ ##__VA_ARGS__); \ spin_unlock_irqrestore(&trace_cgroup_path_lock, \ flags); \ } \ } while (0) /* * The cgroup filesystem superblock creation/mount context. */ struct cgroup_fs_context { struct kernfs_fs_context kfc; struct cgroup_root *root; struct cgroup_namespace *ns; unsigned int flags; /* CGRP_ROOT_* flags */ /* cgroup1 bits */ bool cpuset_clone_children; bool none; /* User explicitly requested empty subsystem */ bool all_ss; /* Seen 'all' option */ u16 subsys_mask; /* Selected subsystems */ char *name; /* Hierarchy name */ char *release_agent; /* Path for release notifications */ }; static inline struct cgroup_fs_context *cgroup_fc2context(struct fs_context *fc) { struct kernfs_fs_context *kfc = fc->fs_private; return container_of(kfc, struct cgroup_fs_context, kfc); } struct cgroup_pidlist; struct cgroup_file_ctx { struct cgroup_namespace *ns; struct { void *trigger; } psi; struct { bool started; struct css_task_iter iter; } procs; struct { struct cgroup_pidlist *pidlist; } procs1; }; /* * A cgroup can be associated with multiple css_sets as different tasks may * belong to different cgroups on different hierarchies. In the other * direction, a css_set is naturally associated with multiple cgroups. * This M:N relationship is represented by the following link structure * which exists for each association and allows traversing the associations * from both sides. */ struct cgrp_cset_link { /* the cgroup and css_set this link associates */ struct cgroup *cgrp; struct css_set *cset; /* list of cgrp_cset_links anchored at cgrp->cset_links */ struct list_head cset_link; /* list of cgrp_cset_links anchored at css_set->cgrp_links */ struct list_head cgrp_link; }; /* used to track tasks and csets during migration */ struct cgroup_taskset { /* the src and dst cset list running through cset->mg_node */ struct list_head src_csets; struct list_head dst_csets; /* the number of tasks in the set */ int nr_tasks; /* the subsys currently being processed */ int ssid; /* * Fields for cgroup_taskset_*() iteration. * * Before migration is committed, the target migration tasks are on * ->mg_tasks of the csets on ->src_csets. After, on ->mg_tasks of * the csets on ->dst_csets. ->csets point to either ->src_csets * or ->dst_csets depending on whether migration is committed. * * ->cur_csets and ->cur_task point to the current task position * during iteration. */ struct list_head *csets; struct css_set *cur_cset; struct task_struct *cur_task; }; /* migration context also tracks preloading */ struct cgroup_mgctx { /* * Preloaded source and destination csets. Used to guarantee * atomic success or failure on actual migration. */ struct list_head preloaded_src_csets; struct list_head preloaded_dst_csets; /* tasks and csets to migrate */ struct cgroup_taskset tset; /* subsystems affected by migration */ u16 ss_mask; }; #define CGROUP_TASKSET_INIT(tset) \ { \ .src_csets = LIST_HEAD_INIT(tset.src_csets), \ .dst_csets = LIST_HEAD_INIT(tset.dst_csets), \ .csets = &tset.src_csets, \ } #define CGROUP_MGCTX_INIT(name) \ { \ LIST_HEAD_INIT(name.preloaded_src_csets), \ LIST_HEAD_INIT(name.preloaded_dst_csets), \ CGROUP_TASKSET_INIT(name.tset), \ } #define DEFINE_CGROUP_MGCTX(name) \ struct cgroup_mgctx name = CGROUP_MGCTX_INIT(name) extern struct mutex cgroup_mutex; extern spinlock_t css_set_lock; extern struct cgroup_subsys *cgroup_subsys[]; extern struct list_head cgroup_roots; extern struct file_system_type cgroup_fs_type; /* iterate across the hierarchies */ #define for_each_root(root) \ list_for_each_entry((root), &cgroup_roots, root_list) /** * for_each_subsys - iterate all enabled cgroup subsystems * @ss: the iteration cursor * @ssid: the index of @ss, CGROUP_SUBSYS_COUNT after reaching the end */ #define for_each_subsys(ss, ssid) \ for ((ssid) = 0; (ssid) < CGROUP_SUBSYS_COUNT && \ (((ss) = cgroup_subsys[ssid]) || true); (ssid)++) static inline bool cgroup_is_dead(const struct cgroup *cgrp) { return !(cgrp->self.flags & CSS_ONLINE); } static inline bool notify_on_release(const struct cgroup *cgrp) { return test_bit(CGRP_NOTIFY_ON_RELEASE, &cgrp->flags); } void put_css_set_locked(struct css_set *cset); static inline void put_css_set(struct css_set *cset) { unsigned long flags; /* * Ensure that the refcount doesn't hit zero while any readers * can see it. Similar to atomic_dec_and_lock(), but for an * rwlock */ if (refcount_dec_not_one(&cset->refcount)) return; spin_lock_irqsave(&css_set_lock, flags); put_css_set_locked(cset); spin_unlock_irqrestore(&css_set_lock, flags); } /* * refcounted get/put for css_set objects */ static inline void get_css_set(struct css_set *cset) { refcount_inc(&cset->refcount); } bool cgroup_ssid_enabled(int ssid); bool cgroup_on_dfl(const struct cgroup *cgrp); bool cgroup_is_thread_root(struct cgroup *cgrp); bool cgroup_is_threaded(struct cgroup *cgrp); struct cgroup_root *cgroup_root_from_kf(struct kernfs_root *kf_root); struct cgroup *task_cgroup_from_root(struct task_struct *task, struct cgroup_root *root); struct cgroup *cgroup_kn_lock_live(struct kernfs_node *kn, bool drain_offline); void cgroup_kn_unlock(struct kernfs_node *kn); int cgroup_path_ns_locked(struct cgroup *cgrp, char *buf, size_t buflen, struct cgroup_namespace *ns); void cgroup_free_root(struct cgroup_root *root); void init_cgroup_root(struct cgroup_fs_context *ctx); int cgroup_setup_root(struct cgroup_root *root, u16 ss_mask); int rebind_subsystems(struct cgroup_root *dst_root, u16 ss_mask); int cgroup_do_get_tree(struct fs_context *fc); int cgroup_migrate_vet_dst(struct cgroup *dst_cgrp); void cgroup_migrate_finish(struct cgroup_mgctx *mgctx); void cgroup_migrate_add_src(struct css_set *src_cset, struct cgroup *dst_cgrp, struct cgroup_mgctx *mgctx); int cgroup_migrate_prepare_dst(struct cgroup_mgctx *mgctx); int cgroup_migrate(struct task_struct *leader, bool threadgroup, struct cgroup_mgctx *mgctx); int cgroup_attach_task(struct cgroup *dst_cgrp, struct task_struct *leader, bool threadgroup); struct task_struct *cgroup_procs_write_start(char *buf, bool threadgroup, bool *locked) __acquires(&cgroup_threadgroup_rwsem); void cgroup_procs_write_finish(struct task_struct *task, bool locked) __releases(&cgroup_threadgroup_rwsem); void cgroup_lock_and_drain_offline(struct cgroup *cgrp); int cgroup_mkdir(struct kernfs_node *parent_kn, const char *name, umode_t mode); int cgroup_rmdir(struct kernfs_node *kn); int cgroup_show_path(struct seq_file *sf, struct kernfs_node *kf_node, struct kernfs_root *kf_root); int __cgroup_task_count(const struct cgroup *cgrp); int cgroup_task_count(const struct cgroup *cgrp); /* * rstat.c */ int cgroup_rstat_init(struct cgroup *cgrp); void cgroup_rstat_exit(struct cgroup *cgrp); void cgroup_rstat_boot(void); void cgroup_base_stat_cputime_show(struct seq_file *seq); /* * namespace.c */ extern const struct proc_ns_operations cgroupns_operations; /* * cgroup-v1.c */ extern struct cftype cgroup1_base_files[]; extern struct kernfs_syscall_ops cgroup1_kf_syscall_ops; extern const struct fs_parameter_spec cgroup1_fs_parameters[]; int proc_cgroupstats_show(struct seq_file *m, void *v); bool cgroup1_ssid_disabled(int ssid); void cgroup1_pidlist_destroy_all(struct cgroup *cgrp); void cgroup1_release_agent(struct work_struct *work); void cgroup1_check_for_release(struct cgroup *cgrp); int cgroup1_parse_param(struct fs_context *fc, struct fs_parameter *param); int cgroup1_get_tree(struct fs_context *fc); int cgroup1_reconfigure(struct fs_context *ctx); #endif /* __CGROUP_INTERNAL_H */
1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 /* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Berkeley style UIO structures - Alan Cox 1994. */ #ifndef __LINUX_UIO_H #define __LINUX_UIO_H #include <linux/kernel.h> #include <linux/thread_info.h> #include <uapi/linux/uio.h> struct page; struct pipe_inode_info; struct kvec { void *iov_base; /* and that should *never* hold a userland pointer */ size_t iov_len; }; enum iter_type { /* iter types */ ITER_IOVEC = 4, ITER_KVEC = 8, ITER_BVEC = 16, ITER_PIPE = 32, ITER_DISCARD = 64, }; struct iov_iter { /* * Bit 0 is the read/write bit, set if we're writing. * Bit 1 is the BVEC_FLAG_NO_REF bit, set if type is a bvec and * the caller isn't expecting to drop a page reference when done. */ unsigned int type; size_t iov_offset; size_t count; union { const struct iovec *iov; const struct kvec *kvec; const struct bio_vec *bvec; struct pipe_inode_info *pipe; }; union { unsigned long nr_segs; struct { unsigned int head; unsigned int start_head; }; }; }; static inline enum iter_type iov_iter_type(const struct iov_iter *i) { return i->type & ~(READ | WRITE); } static inline bool iter_is_iovec(const struct iov_iter *i) { return iov_iter_type(i) == ITER_IOVEC; } static inline bool iov_iter_is_kvec(const struct iov_iter *i) { return iov_iter_type(i) == ITER_KVEC; } static inline bool iov_iter_is_bvec(const struct iov_iter *i) { return iov_iter_type(i) == ITER_BVEC; } static inline bool iov_iter_is_pipe(const struct iov_iter *i) { return iov_iter_type(i) == ITER_PIPE; } static inline bool iov_iter_is_discard(const struct iov_iter *i) { return iov_iter_type(i) == ITER_DISCARD; } static inline unsigned char iov_iter_rw(const struct iov_iter *i) { return i->type & (READ | WRITE); } /* * Total number of bytes covered by an iovec. * * NOTE that it is not safe to use this function until all the iovec's * segment lengths have been validated. Because the individual lengths can * overflow a size_t when added together. */ static inline size_t iov_length(const struct iovec *iov, unsigned long nr_segs) { unsigned long seg; size_t ret = 0; for (seg = 0; seg < nr_segs; seg++) ret += iov[seg].iov_len; return ret; } static inline struct iovec iov_iter_iovec(const struct iov_iter *iter) { return (struct iovec) { .iov_base = iter->iov->iov_base + iter->iov_offset, .iov_len = min(iter->count, iter->iov->iov_len - iter->iov_offset), }; } size_t iov_iter_copy_from_user_atomic(struct page *page, struct iov_iter *i, unsigned long offset, size_t bytes); void iov_iter_advance(struct iov_iter *i, size_t bytes); void iov_iter_revert(struct iov_iter *i, size_t bytes); int iov_iter_fault_in_readable(struct iov_iter *i, size_t bytes); size_t iov_iter_single_seg_count(const struct iov_iter *i); size_t copy_page_to_iter(struct page *page, size_t offset, size_t bytes, struct iov_iter *i); size_t copy_page_from_iter(struct page *page, size_t offset, size_t bytes, struct iov_iter *i); size_t _copy_to_iter(const void *addr, size_t bytes, struct iov_iter *i); size_t _copy_from_iter(void *addr, size_t bytes, struct iov_iter *i); bool _copy_from_iter_full(void *addr, size_t bytes, struct iov_iter *i); size_t _copy_from_iter_nocache(void *addr, size_t bytes, struct iov_iter *i); bool _copy_from_iter_full_nocache(void *addr, size_t bytes, struct iov_iter *i); static __always_inline __must_check size_t copy_to_iter(const void *addr, size_t bytes, struct iov_iter *i) { if (unlikely(!check_copy_size(addr, bytes, true))) return 0; else return _copy_to_iter(addr, bytes, i); } static __always_inline __must_check size_t copy_from_iter(void *addr, size_t bytes, struct iov_iter *i) { if (unlikely(!check_copy_size(addr, bytes, false))) return 0; else return _copy_from_iter(addr, bytes, i); } static __always_inline __must_check bool copy_from_iter_full(void *addr, size_t bytes, struct iov_iter *i) { if (unlikely(!check_copy_size(addr, bytes, false))) return false; else return _copy_from_iter_full(addr, bytes, i); } static __always_inline __must_check size_t copy_from_iter_nocache(void *addr, size_t bytes, struct iov_iter *i) { if (unlikely(!check_copy_size(addr, bytes, false))) return 0; else return _copy_from_iter_nocache(addr, bytes, i); } static __always_inline __must_check bool copy_from_iter_full_nocache(void *addr, size_t bytes, struct iov_iter *i) { if (unlikely(!check_copy_size(addr, bytes, false))) return false; else return _copy_from_iter_full_nocache(addr, bytes, i); } #ifdef CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE /* * Note, users like pmem that depend on the stricter semantics of * copy_from_iter_flushcache() than copy_from_iter_nocache() must check for * IS_ENABLED(CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE) before assuming that the * destination is flushed from the cache on return. */ size_t _copy_from_iter_flushcache(void *addr, size_t bytes, struct iov_iter *i); #else #define _copy_from_iter_flushcache _copy_from_iter_nocache #endif #ifdef CONFIG_ARCH_HAS_COPY_MC size_t _copy_mc_to_iter(const void *addr, size_t bytes, struct iov_iter *i); #else #define _copy_mc_to_iter _copy_to_iter #endif static __always_inline __must_check size_t copy_from_iter_flushcache(void *addr, size_t bytes, struct iov_iter *i) { if (unlikely(!check_copy_size(addr, bytes, false))) return 0; else return _copy_from_iter_flushcache(addr, bytes, i); } static __always_inline __must_check size_t copy_mc_to_iter(void *addr, size_t bytes, struct iov_iter *i) { if (unlikely(!check_copy_size(addr, bytes, true))) return 0; else return _copy_mc_to_iter(addr, bytes, i); } size_t iov_iter_zero(size_t bytes, struct iov_iter *); unsigned long iov_iter_alignment(const struct iov_iter *i); unsigned long iov_iter_gap_alignment(const struct iov_iter *i); void iov_iter_init(struct iov_iter *i, unsigned int direction, const struct iovec *iov, unsigned long nr_segs, size_t count); void iov_iter_kvec(struct iov_iter *i, unsigned int direction, const struct kvec *kvec, unsigned long nr_segs, size_t count); void iov_iter_bvec(struct iov_iter *i, unsigned int direction, const struct bio_vec *bvec, unsigned long nr_segs, size_t count); void iov_iter_pipe(struct iov_iter *i, unsigned int direction, struct pipe_inode_info *pipe, size_t count); void iov_iter_discard(struct iov_iter *i, unsigned int direction, size_t count); ssize_t iov_iter_get_pages(struct iov_iter *i, struct page **pages, size_t maxsize, unsigned maxpages, size_t *start); ssize_t iov_iter_get_pages_alloc(struct iov_iter *i, struct page ***pages, size_t maxsize, size_t *start); int iov_iter_npages(const struct iov_iter *i, int maxpages); const void *dup_iter(struct iov_iter *new, struct iov_iter *old, gfp_t flags); static inline size_t iov_iter_count(const struct iov_iter *i) { return i->count; } /* * Cap the iov_iter by given limit; note that the second argument is * *not* the new size - it's upper limit for such. Passing it a value * greater than the amount of data in iov_iter is fine - it'll just do * nothing in that case. */ static inline void iov_iter_truncate(struct iov_iter *i, u64 count) { /* * count doesn't have to fit in size_t - comparison extends both * operands to u64 here and any value that would be truncated by * conversion in assignement is by definition greater than all * values of size_t, including old i->count. */ if (i->count > count) i->count = count; } /* * reexpand a previously truncated iterator; count must be no more than how much * we had shrunk it. */ static inline void iov_iter_reexpand(struct iov_iter *i, size_t count) { i->count = count; } struct csum_state { __wsum csum; size_t off; }; size_t csum_and_copy_to_iter(const void *addr, size_t bytes, void *csstate, struct iov_iter *i); size_t csum_and_copy_from_iter(void *addr, size_t bytes, __wsum *csum, struct iov_iter *i); bool csum_and_copy_from_iter_full(void *addr, size_t bytes, __wsum *csum, struct iov_iter *i); size_t hash_and_copy_to_iter(const void *addr, size_t bytes, void *hashp, struct iov_iter *i); struct iovec *iovec_from_user(const struct iovec __user *uvector, unsigned long nr_segs, unsigned long fast_segs, struct iovec *fast_iov, bool compat); ssize_t import_iovec(int type, const struct iovec __user *uvec, unsigned nr_segs, unsigned fast_segs, struct iovec **iovp, struct iov_iter *i); ssize_t __import_iovec(int type, const struct iovec __user *uvec, unsigned nr_segs, unsigned fast_segs, struct iovec **iovp, struct iov_iter *i, bool compat); int import_single_range(int type, void __user *buf, size_t len, struct iovec *iov, struct iov_iter *i); int iov_iter_for_each_range(struct iov_iter *i, size_t bytes, int (*f)(struct kvec *vec, void *context), void *context); #endif
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 /* SPDX-License-Identifier: GPL-2.0-or-later */ /* * PTP 1588 clock support - private declarations for the core module. * * Copyright (C) 2010 OMICRON electronics GmbH */ #ifndef _PTP_PRIVATE_H_ #define _PTP_PRIVATE_H_ #include <linux/cdev.h> #include <linux/device.h> #include <linux/kthread.h> #include <linux/mutex.h> #include <linux/posix-clock.h> #include <linux/ptp_clock.h> #include <linux/ptp_clock_kernel.h> #include <linux/time.h> #define PTP_MAX_TIMESTAMPS 128 #define PTP_BUF_TIMESTAMPS 30 struct timestamp_event_queue { struct ptp_extts_event buf[PTP_MAX_TIMESTAMPS]; int head; int tail; spinlock_t lock; }; struct ptp_clock { struct posix_clock clock; struct device dev; struct ptp_clock_info *info; dev_t devid; int index; /* index into clocks.map */ struct pps_device *pps_source; long dialed_frequency; /* remembers the frequency adjustment */ struct timestamp_event_queue tsevq; /* simple fifo for time stamps */ struct mutex tsevq_mux; /* one process at a time reading the fifo */ struct mutex pincfg_mux; /* protect concurrent info->pin_config access */ wait_queue_head_t tsev_wq; int defunct; /* tells readers to go away when clock is being removed */ struct device_attribute *pin_dev_attr; struct attribute **pin_attr; struct attribute_group pin_attr_group; /* 1st entry is a pointer to the real group, 2nd is NULL terminator */ const struct attribute_group *pin_attr_groups[2]; struct kthread_worker *kworker; struct kthread_delayed_work aux_work; }; /* * The function queue_cnt() is safe for readers to call without * holding q->lock. Readers use this function to verify that the queue * is nonempty before proceeding with a dequeue operation. The fact * that a writer might concurrently increment the tail does not * matter, since the queue remains nonempty nonetheless. */ static inline int queue_cnt(struct timestamp_event_queue *q) { int cnt = q->tail - q->head; return cnt < 0 ? PTP_MAX_TIMESTAMPS + cnt : cnt; } /* * see ptp_chardev.c */ /* caller must hold pincfg_mux */ int ptp_set_pinfunc(struct ptp_clock *ptp, unsigned int pin, enum ptp_pin_function func, unsigned int chan); long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg); int ptp_open(struct posix_clock *pc, fmode_t fmode); ssize_t ptp_read(struct posix_clock *pc, uint flags, char __user *buf, size_t cnt); __poll_t ptp_poll(struct posix_clock *pc, struct file *fp, poll_table *wait); /* * see ptp_sysfs.c */ extern const struct attribute_group *ptp_groups[]; int ptp_populate_pin_groups(struct ptp_clock *ptp); void ptp_cleanup_pin_groups(struct ptp_clock *ptp); #endif
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 /* SPDX-License-Identifier: GPL-2.0 */ /* * Common header file for generic dynamic events. */ #ifndef _TRACE_DYNEVENT_H #define _TRACE_DYNEVENT_H #include <linux/kernel.h> #include <linux/list.h> #include <linux/mutex.h> #include <linux/seq_file.h> #include "trace.h" struct dyn_event; /** * struct dyn_event_operations - Methods for each type of dynamic events * * These methods must be set for each type, since there is no default method. * Before using this for dyn_event_init(), it must be registered by * dyn_event_register(). * * @create: Parse and create event method. This is invoked when user passes * a event definition to dynamic_events interface. This must not destruct * the arguments and return -ECANCELED if given arguments doesn't match its * command prefix. * @show: Showing method. This is invoked when user reads the event definitions * via dynamic_events interface. * @is_busy: Check whether given event is busy so that it can not be deleted. * Return true if it is busy, otherwides false. * @free: Delete the given event. Return 0 if success, otherwides error. * @match: Check whether given event and system name match this event. The argc * and argv is used for exact match. Return true if it matches, otherwides * false. * * Except for @create, these methods are called under holding event_mutex. */ struct dyn_event_operations { struct list_head list; int (*create)(int argc, const char *argv[]); int (*show)(struct seq_file *m, struct dyn_event *ev); bool (*is_busy)(struct dyn_event *ev); int (*free)(struct dyn_event *ev); bool (*match)(const char *system, const char *event, int argc, const char **argv, struct dyn_event *ev); }; /* Register new dyn_event type -- must be called at first */ int dyn_event_register(struct dyn_event_operations *ops); /** * struct dyn_event - Dynamic event list header * * The dyn_event structure encapsulates a list and a pointer to the operators * for making a global list of dynamic events. * User must includes this in each event structure, so that those events can * be added/removed via dynamic_events interface. */ struct dyn_event { struct list_head list; struct dyn_event_operations *ops; }; extern struct list_head dyn_event_list; static inline int dyn_event_init(struct dyn_event *ev, struct dyn_event_operations *ops) { if (!ev || !ops) return -EINVAL; INIT_LIST_HEAD(&ev->list); ev->ops = ops; return 0; } static inline int dyn_event_add(struct dyn_event *ev) { lockdep_assert_held(&event_mutex); if (!ev || !ev->ops) return -EINVAL; list_add_tail(&ev->list, &dyn_event_list); return 0; } static inline void dyn_event_remove(struct dyn_event *ev) { lockdep_assert_held(&event_mutex); list_del_init(&ev->list); } void *dyn_event_seq_start(struct seq_file *m, loff_t *pos); void *dyn_event_seq_next(struct seq_file *m, void *v, loff_t *pos); void dyn_event_seq_stop(struct seq_file *m, void *v); int dyn_events_release_all(struct dyn_event_operations *type); int dyn_event_release(int argc, char **argv, struct dyn_event_operations *type); /* * for_each_dyn_event - iterate over the dyn_event list * @pos: the struct dyn_event * to use as a loop cursor * * This is just a basement of for_each macro. Wrap this for * each actual event structure with ops filtering. */ #define for_each_dyn_event(pos) \ list_for_each_entry(pos, &dyn_event_list, list) /* * for_each_dyn_event - iterate over the dyn_event list safely * @pos: the struct dyn_event * to use as a loop cursor * @n: the struct dyn_event * to use as temporary storage */ #define for_each_dyn_event_safe(pos, n) \ list_for_each_entry_safe(pos, n, &dyn_event_list, list) extern void dynevent_cmd_init(struct dynevent_cmd *cmd, char *buf, int maxlen, enum dynevent_type type, dynevent_create_fn_t run_command); typedef int (*dynevent_check_arg_fn_t)(void *data); struct dynevent_arg { const char *str; char separator; /* e.g. ';', ',', or nothing */ }; extern void dynevent_arg_init(struct dynevent_arg *arg, char separator); extern int dynevent_arg_add(struct dynevent_cmd *cmd, struct dynevent_arg *arg, dynevent_check_arg_fn_t check_arg); struct dynevent_arg_pair { const char *lhs; const char *rhs; char operator; /* e.g. '=' or nothing */ char separator; /* e.g. ';', ',', or nothing */ }; extern void dynevent_arg_pair_init(struct dynevent_arg_pair *arg_pair, char operator, char separator); extern int dynevent_arg_pair_add(struct dynevent_cmd *cmd, struct dynevent_arg_pair *arg_pair, dynevent_check_arg_fn_t check_arg); extern int dynevent_str_add(struct dynevent_cmd *cmd, const char *str); #endif
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 /* * Written by: Matthew Dobson, IBM Corporation * * Copyright (C) 2002, IBM Corp. * * All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or * NON INFRINGEMENT. See the GNU General Public License for more * details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * Send feedback to <colpatch@us.ibm.com> */ #ifndef _ASM_X86_TOPOLOGY_H #define _ASM_X86_TOPOLOGY_H /* * to preserve the visibility of NUMA_NO_NODE definition, * moved to there from here. May be used independent of * CONFIG_NUMA. */ #include <linux/numa.h> #ifdef CONFIG_NUMA #include <linux/cpumask.h> #include <asm/mpspec.h> #include <asm/percpu.h> /* Mappings between logical cpu number and node number */ DECLARE_EARLY_PER_CPU(int, x86_cpu_to_node_map); #ifdef CONFIG_DEBUG_PER_CPU_MAPS /* * override generic percpu implementation of cpu_to_node */ extern int __cpu_to_node(int cpu); #define cpu_to_node __cpu_to_node extern int early_cpu_to_node(int cpu); #else /* !CONFIG_DEBUG_PER_CPU_MAPS */ /* Same function but used if called before per_cpu areas are setup */ static inline int early_cpu_to_node(int cpu) { return early_per_cpu(x86_cpu_to_node_map, cpu); } #endif /* !CONFIG_DEBUG_PER_CPU_MAPS */ /* Mappings between node number and cpus on that node. */ extern cpumask_var_t node_to_cpumask_map[MAX_NUMNODES]; #ifdef CONFIG_DEBUG_PER_CPU_MAPS extern const struct cpumask *cpumask_of_node(int node); #else /* Returns a pointer to the cpumask of CPUs on Node 'node'. */ static inline const struct cpumask *cpumask_of_node(int node) { return node_to_cpumask_map[node]; } #endif extern void setup_node_to_cpumask_map(void); #define pcibus_to_node(bus) __pcibus_to_node(bus) extern int __node_distance(int, int); #define node_distance(a, b) __node_distance(a, b) #else /* !CONFIG_NUMA */ static inline int numa_node_id(void) { return 0; } /* * indicate override: */ #define numa_node_id numa_node_id static inline int early_cpu_to_node(int cpu) { return 0; } static inline void setup_node_to_cpumask_map(void) { } #endif #include <asm-generic/topology.h> extern const struct cpumask *cpu_coregroup_mask(int cpu); #define topology_logical_package_id(cpu) (cpu_data(cpu).logical_proc_id) #define topology_physical_package_id(cpu) (cpu_data(cpu).phys_proc_id) #define topology_logical_die_id(cpu) (cpu_data(cpu).logical_die_id) #define topology_die_id(cpu) (cpu_data(cpu).cpu_die_id) #define topology_core_id(cpu) (cpu_data(cpu).cpu_core_id) extern unsigned int __max_die_per_package; #ifdef CONFIG_SMP #define topology_die_cpumask(cpu) (per_cpu(cpu_die_map, cpu)) #define topology_core_cpumask(cpu) (per_cpu(cpu_core_map, cpu)) #define topology_sibling_cpumask(cpu) (per_cpu(cpu_sibling_map, cpu)) extern unsigned int __max_logical_packages; #define topology_max_packages() (__max_logical_packages) static inline int topology_max_die_per_package(void) { return __max_die_per_package; } extern int __max_smt_threads; static inline int topology_max_smt_threads(void) { return __max_smt_threads; } int topology_update_package_map(unsigned int apicid, unsigned int cpu); int topology_update_die_map(unsigned int dieid, unsigned int cpu); int topology_phys_to_logical_pkg(unsigned int pkg); int topology_phys_to_logical_die(unsigned int die, unsigned int cpu); bool topology_is_primary_thread(unsigned int cpu); bool topology_smt_supported(void); #else #define topology_max_packages() (1) static inline int topology_update_package_map(unsigned int apicid, unsigned int cpu) { return 0; } static inline int topology_update_die_map(unsigned int dieid, unsigned int cpu) { return 0; } static inline int topology_phys_to_logical_pkg(unsigned int pkg) { return 0; } static inline int topology_phys_to_logical_die(unsigned int die, unsigned int cpu) { return 0; } static inline int topology_max_die_per_package(void) { return 1; } static inline int topology_max_smt_threads(void) { return 1; } static inline bool topology_is_primary_thread(unsigned int cpu) { return true; } static inline bool topology_smt_supported(void) { return false; } #endif static inline void arch_fix_phys_package_id(int num, u32 slot) { } struct pci_bus; int x86_pci_root_bus_node(int bus); void x86_pci_root_bus_resources(int bus, struct list_head *resources); extern bool x86_topology_update; #ifdef CONFIG_SCHED_MC_PRIO #include <asm/percpu.h> DECLARE_PER_CPU_READ_MOSTLY(int, sched_core_priority); extern unsigned int __read_mostly sysctl_sched_itmt_enabled; /* Interface to set priority of a cpu */ void sched_set_itmt_core_prio(int prio, int core_cpu); /* Interface to notify scheduler that system supports ITMT */ int sched_set_itmt_support(void); /* Interface to notify scheduler that system revokes ITMT support */ void sched_clear_itmt_support(void); #else /* CONFIG_SCHED_MC_PRIO */ #define sysctl_sched_itmt_enabled 0 static inline void sched_set_itmt_core_prio(int prio, int core_cpu) { } static inline int sched_set_itmt_support(void) { return 0; } static inline void sched_clear_itmt_support(void) { } #endif /* CONFIG_SCHED_MC_PRIO */ #if defined(CONFIG_SMP) && defined(CONFIG_X86_64) #include <asm/cpufeature.h> DECLARE_STATIC_KEY_FALSE(arch_scale_freq_key); #define arch_scale_freq_invariant() static_branch_likely(&arch_scale_freq_key) DECLARE_PER_CPU(unsigned long, arch_freq_scale); static inline long arch_scale_freq_capacity(int cpu) { return per_cpu(arch_freq_scale, cpu); } #define arch_scale_freq_capacity arch_scale_freq_capacity extern void arch_scale_freq_tick(void); #define arch_scale_freq_tick arch_scale_freq_tick extern void arch_set_max_freq_ratio(bool turbo_disabled); #else static inline void arch_set_max_freq_ratio(bool turbo_disabled) { } #endif #endif /* _ASM_X86_TOPOLOGY_H */
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3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 /* SPDX-License-Identifier: GPL-2.0 */ #undef TRACE_SYSTEM #define TRACE_SYSTEM cfg80211 #if !defined(__RDEV_OPS_TRACE) || defined(TRACE_HEADER_MULTI_READ) #define __RDEV_OPS_TRACE #include <linux/tracepoint.h> #include <linux/rtnetlink.h> #include <linux/etherdevice.h> #include <net/cfg80211.h> #include "core.h" #define MAC_ENTRY(entry_mac) __array(u8, entry_mac, ETH_ALEN) #define MAC_ASSIGN(entry_mac, given_mac) do { \ if (given_mac) \ memcpy(__entry->entry_mac, given_mac, ETH_ALEN); \ else \ eth_zero_addr(__entry->entry_mac); \ } while (0) #define MAC_PR_FMT "%pM" #define MAC_PR_ARG(entry_mac) (__entry->entry_mac) #define MAXNAME 32 #define WIPHY_ENTRY __array(char, wiphy_name, 32) #define WIPHY_ASSIGN strlcpy(__entry->wiphy_name, wiphy_name(wiphy), MAXNAME) #define WIPHY_PR_FMT "%s" #define WIPHY_PR_ARG __entry->wiphy_name #define WDEV_ENTRY __field(u32, id) #define WDEV_ASSIGN (__entry->id) = (!IS_ERR_OR_NULL(wdev) \ ? wdev->identifier : 0) #define WDEV_PR_FMT "wdev(%u)" #define WDEV_PR_ARG (__entry->id) #define NETDEV_ENTRY __array(char, name, IFNAMSIZ) \ __field(int, ifindex) #define NETDEV_ASSIGN \ do { \ memcpy(__entry->name, netdev->name, IFNAMSIZ); \ (__entry->ifindex) = (netdev->ifindex); \ } while (0) #define NETDEV_PR_FMT "netdev:%s(%d)" #define NETDEV_PR_ARG __entry->name, __entry->ifindex #define MESH_CFG_ENTRY __field(u16, dot11MeshRetryTimeout) \ __field(u16, dot11MeshConfirmTimeout) \ __field(u16, dot11MeshHoldingTimeout) \ __field(u16, dot11MeshMaxPeerLinks) \ __field(u8, dot11MeshMaxRetries) \ __field(u8, dot11MeshTTL) \ __field(u8, element_ttl) \ __field(bool, auto_open_plinks) \ __field(u32, dot11MeshNbrOffsetMaxNeighbor) \ __field(u8, dot11MeshHWMPmaxPREQretries) \ __field(u32, path_refresh_time) \ __field(u32, dot11MeshHWMPactivePathTimeout) \ __field(u16, min_discovery_timeout) \ __field(u16, dot11MeshHWMPpreqMinInterval) \ __field(u16, dot11MeshHWMPperrMinInterval) \ __field(u16, dot11MeshHWMPnetDiameterTraversalTime) \ __field(u8, dot11MeshHWMPRootMode) \ __field(u16, dot11MeshHWMPRannInterval) \ __field(bool, dot11MeshGateAnnouncementProtocol) \ __field(bool, dot11MeshForwarding) \ __field(s32, rssi_threshold) \ __field(u16, ht_opmode) \ __field(u32, dot11MeshHWMPactivePathToRootTimeout) \ __field(u16, dot11MeshHWMProotInterval) \ __field(u16, dot11MeshHWMPconfirmationInterval) \ __field(bool, dot11MeshNolearn) #define MESH_CFG_ASSIGN \ do { \ __entry->dot11MeshRetryTimeout = conf->dot11MeshRetryTimeout; \ __entry->dot11MeshConfirmTimeout = \ conf->dot11MeshConfirmTimeout; \ __entry->dot11MeshHoldingTimeout = \ conf->dot11MeshHoldingTimeout; \ __entry->dot11MeshMaxPeerLinks = conf->dot11MeshMaxPeerLinks; \ __entry->dot11MeshMaxRetries = conf->dot11MeshMaxRetries; \ __entry->dot11MeshTTL = conf->dot11MeshTTL; \ __entry->element_ttl = conf->element_ttl; \ __entry->auto_open_plinks = conf->auto_open_plinks; \ __entry->dot11MeshNbrOffsetMaxNeighbor = \ conf->dot11MeshNbrOffsetMaxNeighbor; \ __entry->dot11MeshHWMPmaxPREQretries = \ conf->dot11MeshHWMPmaxPREQretries; \ __entry->path_refresh_time = conf->path_refresh_time; \ __entry->dot11MeshHWMPactivePathTimeout = \ conf->dot11MeshHWMPactivePathTimeout; \ __entry->min_discovery_timeout = conf->min_discovery_timeout; \ __entry->dot11MeshHWMPpreqMinInterval = \ conf->dot11MeshHWMPpreqMinInterval; \ __entry->dot11MeshHWMPperrMinInterval = \ conf->dot11MeshHWMPperrMinInterval; \ __entry->dot11MeshHWMPnetDiameterTraversalTime = \ conf->dot11MeshHWMPnetDiameterTraversalTime; \ __entry->dot11MeshHWMPRootMode = conf->dot11MeshHWMPRootMode; \ __entry->dot11MeshHWMPRannInterval = \ conf->dot11MeshHWMPRannInterval; \ __entry->dot11MeshGateAnnouncementProtocol = \ conf->dot11MeshGateAnnouncementProtocol; \ __entry->dot11MeshForwarding = conf->dot11MeshForwarding; \ __entry->rssi_threshold = conf->rssi_threshold; \ __entry->ht_opmode = conf->ht_opmode; \ __entry->dot11MeshHWMPactivePathToRootTimeout = \ conf->dot11MeshHWMPactivePathToRootTimeout; \ __entry->dot11MeshHWMProotInterval = \ conf->dot11MeshHWMProotInterval; \ __entry->dot11MeshHWMPconfirmationInterval = \ conf->dot11MeshHWMPconfirmationInterval; \ __entry->dot11MeshNolearn = conf->dot11MeshNolearn; \ } while (0) #define CHAN_ENTRY __field(enum nl80211_band, band) \ __field(u32, center_freq) \ __field(u16, freq_offset) #define CHAN_ASSIGN(chan) \ do { \ if (chan) { \ __entry->band = chan->band; \ __entry->center_freq = chan->center_freq; \ __entry->freq_offset = chan->freq_offset; \ } else { \ __entry->band = 0; \ __entry->center_freq = 0; \ __entry->freq_offset = 0; \ } \ } while (0) #define CHAN_PR_FMT "band: %d, freq: %u.%03u" #define CHAN_PR_ARG __entry->band, __entry->center_freq, __entry->freq_offset #define CHAN_DEF_ENTRY __field(enum nl80211_band, band) \ __field(u32, control_freq) \ __field(u32, freq_offset) \ __field(u32, width) \ __field(u32, center_freq1) \ __field(u32, freq1_offset) \ __field(u32, center_freq2) #define CHAN_DEF_ASSIGN(chandef) \ do { \ if ((chandef) && (chandef)->chan) { \ __entry->band = (chandef)->chan->band; \ __entry->control_freq = \ (chandef)->chan->center_freq; \ __entry->freq_offset = \ (chandef)->chan->freq_offset; \ __entry->width = (chandef)->width; \ __entry->center_freq1 = (chandef)->center_freq1;\ __entry->freq1_offset = (chandef)->freq1_offset;\ __entry->center_freq2 = (chandef)->center_freq2;\ } else { \ __entry->band = 0; \ __entry->control_freq = 0; \ __entry->freq_offset = 0; \ __entry->width = 0; \ __entry->center_freq1 = 0; \ __entry->freq1_offset = 0; \ __entry->center_freq2 = 0; \ } \ } while (0) #define CHAN_DEF_PR_FMT \ "band: %d, control freq: %u.%03u, width: %d, cf1: %u.%03u, cf2: %u" #define CHAN_DEF_PR_ARG __entry->band, __entry->control_freq, \ __entry->freq_offset, __entry->width, \ __entry->center_freq1, __entry->freq1_offset, \ __entry->center_freq2 #define SINFO_ENTRY __field(int, generation) \ __field(u32, connected_time) \ __field(u32, inactive_time) \ __field(u32, rx_bytes) \ __field(u32, tx_bytes) \ __field(u32, rx_packets) \ __field(u32, tx_packets) \ __field(u32, tx_retries) \ __field(u32, tx_failed) \ __field(u32, rx_dropped_misc) \ __field(u32, beacon_loss_count) \ __field(u16, llid) \ __field(u16, plid) \ __field(u8, plink_state) #define SINFO_ASSIGN \ do { \ __entry->generation = sinfo->generation; \ __entry->connected_time = sinfo->connected_time; \ __entry->inactive_time = sinfo->inactive_time; \ __entry->rx_bytes = sinfo->rx_bytes; \ __entry->tx_bytes = sinfo->tx_bytes; \ __entry->rx_packets = sinfo->rx_packets; \ __entry->tx_packets = sinfo->tx_packets; \ __entry->tx_retries = sinfo->tx_retries; \ __entry->tx_failed = sinfo->tx_failed; \ __entry->rx_dropped_misc = sinfo->rx_dropped_misc; \ __entry->beacon_loss_count = sinfo->beacon_loss_count; \ __entry->llid = sinfo->llid; \ __entry->plid = sinfo->plid; \ __entry->plink_state = sinfo->plink_state; \ } while (0) #define BOOL_TO_STR(bo) (bo) ? "true" : "false" #define QOS_MAP_ENTRY __field(u8, num_des) \ __array(u8, dscp_exception, \ 2 * IEEE80211_QOS_MAP_MAX_EX) \ __array(u8, up, IEEE80211_QOS_MAP_LEN_MIN) #define QOS_MAP_ASSIGN(qos_map) \ do { \ if ((qos_map)) { \ __entry->num_des = (qos_map)->num_des; \ memcpy(__entry->dscp_exception, \ &(qos_map)->dscp_exception, \ 2 * IEEE80211_QOS_MAP_MAX_EX); \ memcpy(__entry->up, &(qos_map)->up, \ IEEE80211_QOS_MAP_LEN_MIN); \ } else { \ __entry->num_des = 0; \ memset(__entry->dscp_exception, 0, \ 2 * IEEE80211_QOS_MAP_MAX_EX); \ memset(__entry->up, 0, \ IEEE80211_QOS_MAP_LEN_MIN); \ } \ } while (0) /************************************************************* * rdev->ops traces * *************************************************************/ TRACE_EVENT(rdev_suspend, TP_PROTO(struct wiphy *wiphy, struct cfg80211_wowlan *wow), TP_ARGS(wiphy, wow), TP_STRUCT__entry( WIPHY_ENTRY __field(bool, any) __field(bool, disconnect) __field(bool, magic_pkt) __field(bool, gtk_rekey_failure) __field(bool, eap_identity_req) __field(bool, four_way_handshake) __field(bool, rfkill_release) __field(bool, valid_wow) ), TP_fast_assign( WIPHY_ASSIGN; if (wow) { __entry->any = wow->any; __entry->disconnect = wow->disconnect; __entry->magic_pkt = wow->magic_pkt; __entry->gtk_rekey_failure = wow->gtk_rekey_failure; __entry->eap_identity_req = wow->eap_identity_req; __entry->four_way_handshake = wow->four_way_handshake; __entry->rfkill_release = wow->rfkill_release; __entry->valid_wow = true; } else { __entry->valid_wow = false; } ), TP_printk(WIPHY_PR_FMT ", wow%s - any: %d, disconnect: %d, " "magic pkt: %d, gtk rekey failure: %d, eap identify req: %d, " "four way handshake: %d, rfkill release: %d.", WIPHY_PR_ARG, __entry->valid_wow ? "" : "(Not configured!)", __entry->any, __entry->disconnect, __entry->magic_pkt, __entry->gtk_rekey_failure, __entry->eap_identity_req, __entry->four_way_handshake, __entry->rfkill_release) ); TRACE_EVENT(rdev_return_int, TP_PROTO(struct wiphy *wiphy, int ret), TP_ARGS(wiphy, ret), TP_STRUCT__entry( WIPHY_ENTRY __field(int, ret) ), TP_fast_assign( WIPHY_ASSIGN; __entry->ret = ret; ), TP_printk(WIPHY_PR_FMT ", returned: %d", WIPHY_PR_ARG, __entry->ret) ); TRACE_EVENT(rdev_scan, TP_PROTO(struct wiphy *wiphy, struct cfg80211_scan_request *request), TP_ARGS(wiphy, request), TP_STRUCT__entry( WIPHY_ENTRY ), TP_fast_assign( WIPHY_ASSIGN; ), TP_printk(WIPHY_PR_FMT, WIPHY_PR_ARG) ); DECLARE_EVENT_CLASS(wiphy_only_evt, TP_PROTO(struct wiphy *wiphy), TP_ARGS(wiphy), TP_STRUCT__entry( WIPHY_ENTRY ), TP_fast_assign( WIPHY_ASSIGN; ), TP_printk(WIPHY_PR_FMT, WIPHY_PR_ARG) ); DEFINE_EVENT(wiphy_only_evt, rdev_resume, TP_PROTO(struct wiphy *wiphy), TP_ARGS(wiphy) ); DEFINE_EVENT(wiphy_only_evt, rdev_return_void, TP_PROTO(struct wiphy *wiphy), TP_ARGS(wiphy) ); DEFINE_EVENT(wiphy_only_evt, rdev_get_antenna, TP_PROTO(struct wiphy *wiphy), TP_ARGS(wiphy) ); DEFINE_EVENT(wiphy_only_evt, rdev_rfkill_poll, TP_PROTO(struct wiphy *wiphy), TP_ARGS(wiphy) ); DECLARE_EVENT_CLASS(wiphy_enabled_evt, TP_PROTO(struct wiphy *wiphy, bool enabled), TP_ARGS(wiphy, enabled), TP_STRUCT__entry( WIPHY_ENTRY __field(bool, enabled) ), TP_fast_assign( WIPHY_ASSIGN; __entry->enabled = enabled; ), TP_printk(WIPHY_PR_FMT ", %senabled ", WIPHY_PR_ARG, __entry->enabled ? "" : "not ") ); DEFINE_EVENT(wiphy_enabled_evt, rdev_set_wakeup, TP_PROTO(struct wiphy *wiphy, bool enabled), TP_ARGS(wiphy, enabled) ); TRACE_EVENT(rdev_add_virtual_intf, TP_PROTO(struct wiphy *wiphy, char *name, enum nl80211_iftype type), TP_ARGS(wiphy, name, type), TP_STRUCT__entry( WIPHY_ENTRY __string(vir_intf_name, name ? name : "<noname>") __field(enum nl80211_iftype, type) ), TP_fast_assign( WIPHY_ASSIGN; __assign_str(vir_intf_name, name ? name : "<noname>"); __entry->type = type; ), TP_printk(WIPHY_PR_FMT ", virtual intf name: %s, type: %d", WIPHY_PR_ARG, __get_str(vir_intf_name), __entry->type) ); DECLARE_EVENT_CLASS(wiphy_wdev_evt, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev), TP_ARGS(wiphy, wdev), TP_STRUCT__entry( WIPHY_ENTRY WDEV_ENTRY ), TP_fast_assign( WIPHY_ASSIGN; WDEV_ASSIGN; ), TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT, WIPHY_PR_ARG, WDEV_PR_ARG) ); DECLARE_EVENT_CLASS(wiphy_wdev_cookie_evt, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev, u64 cookie), TP_ARGS(wiphy, wdev, cookie), TP_STRUCT__entry( WIPHY_ENTRY WDEV_ENTRY __field(u64, cookie) ), TP_fast_assign( WIPHY_ASSIGN; WDEV_ASSIGN; __entry->cookie = cookie; ), TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", cookie: %lld", WIPHY_PR_ARG, WDEV_PR_ARG, (unsigned long long)__entry->cookie) ); DEFINE_EVENT(wiphy_wdev_evt, rdev_return_wdev, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev), TP_ARGS(wiphy, wdev) ); DEFINE_EVENT(wiphy_wdev_evt, rdev_del_virtual_intf, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev), TP_ARGS(wiphy, wdev) ); TRACE_EVENT(rdev_change_virtual_intf, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, enum nl80211_iftype type), TP_ARGS(wiphy, netdev, type), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY __field(enum nl80211_iftype, type) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; __entry->type = type; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", type: %d", WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->type) ); DECLARE_EVENT_CLASS(key_handle, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u8 key_index, bool pairwise, const u8 *mac_addr), TP_ARGS(wiphy, netdev, key_index, pairwise, mac_addr), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(mac_addr) __field(u8, key_index) __field(bool, pairwise) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(mac_addr, mac_addr); __entry->key_index = key_index; __entry->pairwise = pairwise; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", key_index: %u, pairwise: %s, mac addr: " MAC_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->key_index, BOOL_TO_STR(__entry->pairwise), MAC_PR_ARG(mac_addr)) ); DEFINE_EVENT(key_handle, rdev_get_key, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u8 key_index, bool pairwise, const u8 *mac_addr), TP_ARGS(wiphy, netdev, key_index, pairwise, mac_addr) ); DEFINE_EVENT(key_handle, rdev_del_key, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u8 key_index, bool pairwise, const u8 *mac_addr), TP_ARGS(wiphy, netdev, key_index, pairwise, mac_addr) ); TRACE_EVENT(rdev_add_key, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u8 key_index, bool pairwise, const u8 *mac_addr, u8 mode), TP_ARGS(wiphy, netdev, key_index, pairwise, mac_addr, mode), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(mac_addr) __field(u8, key_index) __field(bool, pairwise) __field(u8, mode) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(mac_addr, mac_addr); __entry->key_index = key_index; __entry->pairwise = pairwise; __entry->mode = mode; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", key_index: %u, " "mode: %u, pairwise: %s, mac addr: " MAC_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->key_index, __entry->mode, BOOL_TO_STR(__entry->pairwise), MAC_PR_ARG(mac_addr)) ); TRACE_EVENT(rdev_set_default_key, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u8 key_index, bool unicast, bool multicast), TP_ARGS(wiphy, netdev, key_index, unicast, multicast), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY __field(u8, key_index) __field(bool, unicast) __field(bool, multicast) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; __entry->key_index = key_index; __entry->unicast = unicast; __entry->multicast = multicast; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", key index: %u, unicast: %s, multicast: %s", WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->key_index, BOOL_TO_STR(__entry->unicast), BOOL_TO_STR(__entry->multicast)) ); TRACE_EVENT(rdev_set_default_mgmt_key, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u8 key_index), TP_ARGS(wiphy, netdev, key_index), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY __field(u8, key_index) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; __entry->key_index = key_index; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", key index: %u", WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->key_index) ); TRACE_EVENT(rdev_set_default_beacon_key, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u8 key_index), TP_ARGS(wiphy, netdev, key_index), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY __field(u8, key_index) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; __entry->key_index = key_index; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", key index: %u", WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->key_index) ); TRACE_EVENT(rdev_start_ap, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_ap_settings *settings), TP_ARGS(wiphy, netdev, settings), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY CHAN_DEF_ENTRY __field(int, beacon_interval) __field(int, dtim_period) __array(char, ssid, IEEE80211_MAX_SSID_LEN + 1) __field(enum nl80211_hidden_ssid, hidden_ssid) __field(u32, wpa_ver) __field(bool, privacy) __field(enum nl80211_auth_type, auth_type) __field(int, inactivity_timeout) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; CHAN_DEF_ASSIGN(&settings->chandef); __entry->beacon_interval = settings->beacon_interval; __entry->dtim_period = settings->dtim_period; __entry->hidden_ssid = settings->hidden_ssid; __entry->wpa_ver = settings->crypto.wpa_versions; __entry->privacy = settings->privacy; __entry->auth_type = settings->auth_type; __entry->inactivity_timeout = settings->inactivity_timeout; memset(__entry->ssid, 0, IEEE80211_MAX_SSID_LEN + 1); memcpy(__entry->ssid, settings->ssid, settings->ssid_len); ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", AP settings - ssid: %s, " CHAN_DEF_PR_FMT ", beacon interval: %d, dtim period: %d, " "hidden ssid: %d, wpa versions: %u, privacy: %s, " "auth type: %d, inactivity timeout: %d", WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->ssid, CHAN_DEF_PR_ARG, __entry->beacon_interval, __entry->dtim_period, __entry->hidden_ssid, __entry->wpa_ver, BOOL_TO_STR(__entry->privacy), __entry->auth_type, __entry->inactivity_timeout) ); TRACE_EVENT(rdev_change_beacon, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_beacon_data *info), TP_ARGS(wiphy, netdev, info), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY __dynamic_array(u8, head, info ? info->head_len : 0) __dynamic_array(u8, tail, info ? info->tail_len : 0) __dynamic_array(u8, beacon_ies, info ? info->beacon_ies_len : 0) __dynamic_array(u8, proberesp_ies, info ? info->proberesp_ies_len : 0) __dynamic_array(u8, assocresp_ies, info ? info->assocresp_ies_len : 0) __dynamic_array(u8, probe_resp, info ? info->probe_resp_len : 0) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; if (info) { if (info->head) memcpy(__get_dynamic_array(head), info->head, info->head_len); if (info->tail) memcpy(__get_dynamic_array(tail), info->tail, info->tail_len); if (info->beacon_ies) memcpy(__get_dynamic_array(beacon_ies), info->beacon_ies, info->beacon_ies_len); if (info->proberesp_ies) memcpy(__get_dynamic_array(proberesp_ies), info->proberesp_ies, info->proberesp_ies_len); if (info->assocresp_ies) memcpy(__get_dynamic_array(assocresp_ies), info->assocresp_ies, info->assocresp_ies_len); if (info->probe_resp) memcpy(__get_dynamic_array(probe_resp), info->probe_resp, info->probe_resp_len); } ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG) ); DECLARE_EVENT_CLASS(wiphy_netdev_evt, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev), TP_ARGS(wiphy, netdev), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG) ); DEFINE_EVENT(wiphy_netdev_evt, rdev_stop_ap, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev), TP_ARGS(wiphy, netdev) ); DEFINE_EVENT(wiphy_netdev_evt, rdev_set_rekey_data, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev), TP_ARGS(wiphy, netdev) ); DEFINE_EVENT(wiphy_netdev_evt, rdev_get_mesh_config, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev), TP_ARGS(wiphy, netdev) ); DEFINE_EVENT(wiphy_netdev_evt, rdev_leave_mesh, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev), TP_ARGS(wiphy, netdev) ); DEFINE_EVENT(wiphy_netdev_evt, rdev_leave_ibss, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev), TP_ARGS(wiphy, netdev) ); DEFINE_EVENT(wiphy_netdev_evt, rdev_leave_ocb, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev), TP_ARGS(wiphy, netdev) ); DEFINE_EVENT(wiphy_netdev_evt, rdev_flush_pmksa, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev), TP_ARGS(wiphy, netdev) ); DEFINE_EVENT(wiphy_netdev_evt, rdev_end_cac, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev), TP_ARGS(wiphy, netdev) ); DECLARE_EVENT_CLASS(station_add_change, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u8 *mac, struct station_parameters *params), TP_ARGS(wiphy, netdev, mac, params), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(sta_mac) __field(u32, sta_flags_mask) __field(u32, sta_flags_set) __field(u32, sta_modify_mask) __field(int, listen_interval) __field(u16, capability) __field(u16, aid) __field(u8, plink_action) __field(u8, plink_state) __field(u8, uapsd_queues) __field(u8, max_sp) __field(u8, opmode_notif) __field(bool, opmode_notif_used) __array(u8, ht_capa, (int)sizeof(struct ieee80211_ht_cap)) __array(u8, vht_capa, (int)sizeof(struct ieee80211_vht_cap)) __array(char, vlan, IFNAMSIZ) __dynamic_array(u8, supported_rates, params->supported_rates_len) __dynamic_array(u8, ext_capab, params->ext_capab_len) __dynamic_array(u8, supported_channels, params->supported_channels_len) __dynamic_array(u8, supported_oper_classes, params->supported_oper_classes_len) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(sta_mac, mac); __entry->sta_flags_mask = params->sta_flags_mask; __entry->sta_flags_set = params->sta_flags_set; __entry->sta_modify_mask = params->sta_modify_mask; __entry->listen_interval = params->listen_interval; __entry->aid = params->aid; __entry->plink_action = params->plink_action; __entry->plink_state = params->plink_state; __entry->uapsd_queues = params->uapsd_queues; memset(__entry->ht_capa, 0, sizeof(struct ieee80211_ht_cap)); if (params->ht_capa) memcpy(__entry->ht_capa, params->ht_capa, sizeof(struct ieee80211_ht_cap)); memset(__entry->vht_capa, 0, sizeof(struct ieee80211_vht_cap)); if (params->vht_capa) memcpy(__entry->vht_capa, params->vht_capa, sizeof(struct ieee80211_vht_cap)); memset(__entry->vlan, 0, sizeof(__entry->vlan)); if (params->vlan) memcpy(__entry->vlan, params->vlan->name, IFNAMSIZ); if (params->supported_rates && params->supported_rates_len) memcpy(__get_dynamic_array(supported_rates), params->supported_rates, params->supported_rates_len); if (params->ext_capab && params->ext_capab_len) memcpy(__get_dynamic_array(ext_capab), params->ext_capab, params->ext_capab_len); if (params->supported_channels && params->supported_channels_len) memcpy(__get_dynamic_array(supported_channels), params->supported_channels, params->supported_channels_len); if (params->supported_oper_classes && params->supported_oper_classes_len) memcpy(__get_dynamic_array(supported_oper_classes), params->supported_oper_classes, params->supported_oper_classes_len); __entry->max_sp = params->max_sp; __entry->capability = params->capability; __entry->opmode_notif = params->opmode_notif; __entry->opmode_notif_used = params->opmode_notif_used; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", station mac: " MAC_PR_FMT ", station flags mask: %u, station flags set: %u, " "station modify mask: %u, listen interval: %d, aid: %u, " "plink action: %u, plink state: %u, uapsd queues: %u, vlan:%s", WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(sta_mac), __entry->sta_flags_mask, __entry->sta_flags_set, __entry->sta_modify_mask, __entry->listen_interval, __entry->aid, __entry->plink_action, __entry->plink_state, __entry->uapsd_queues, __entry->vlan) ); DEFINE_EVENT(station_add_change, rdev_add_station, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u8 *mac, struct station_parameters *params), TP_ARGS(wiphy, netdev, mac, params) ); DEFINE_EVENT(station_add_change, rdev_change_station, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u8 *mac, struct station_parameters *params), TP_ARGS(wiphy, netdev, mac, params) ); DECLARE_EVENT_CLASS(wiphy_netdev_mac_evt, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, const u8 *mac), TP_ARGS(wiphy, netdev, mac), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(sta_mac) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(sta_mac, mac); ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", mac: " MAC_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(sta_mac)) ); DECLARE_EVENT_CLASS(station_del, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct station_del_parameters *params), TP_ARGS(wiphy, netdev, params), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(sta_mac) __field(u8, subtype) __field(u16, reason_code) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(sta_mac, params->mac); __entry->subtype = params->subtype; __entry->reason_code = params->reason_code; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", station mac: " MAC_PR_FMT ", subtype: %u, reason_code: %u", WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(sta_mac), __entry->subtype, __entry->reason_code) ); DEFINE_EVENT(station_del, rdev_del_station, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct station_del_parameters *params), TP_ARGS(wiphy, netdev, params) ); DEFINE_EVENT(wiphy_netdev_mac_evt, rdev_get_station, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, const u8 *mac), TP_ARGS(wiphy, netdev, mac) ); DEFINE_EVENT(wiphy_netdev_mac_evt, rdev_del_mpath, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, const u8 *mac), TP_ARGS(wiphy, netdev, mac) ); DEFINE_EVENT(wiphy_netdev_mac_evt, rdev_set_wds_peer, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, const u8 *mac), TP_ARGS(wiphy, netdev, mac) ); TRACE_EVENT(rdev_dump_station, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, int _idx, u8 *mac), TP_ARGS(wiphy, netdev, _idx, mac), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(sta_mac) __field(int, idx) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(sta_mac, mac); __entry->idx = _idx; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", station mac: " MAC_PR_FMT ", idx: %d", WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(sta_mac), __entry->idx) ); TRACE_EVENT(rdev_return_int_station_info, TP_PROTO(struct wiphy *wiphy, int ret, struct station_info *sinfo), TP_ARGS(wiphy, ret, sinfo), TP_STRUCT__entry( WIPHY_ENTRY __field(int, ret) SINFO_ENTRY ), TP_fast_assign( WIPHY_ASSIGN; __entry->ret = ret; SINFO_ASSIGN; ), TP_printk(WIPHY_PR_FMT ", returned %d" , WIPHY_PR_ARG, __entry->ret) ); DECLARE_EVENT_CLASS(mpath_evt, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u8 *dst, u8 *next_hop), TP_ARGS(wiphy, netdev, dst, next_hop), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(dst) MAC_ENTRY(next_hop) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(dst, dst); MAC_ASSIGN(next_hop, next_hop); ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", destination: " MAC_PR_FMT ", next hop: " MAC_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(dst), MAC_PR_ARG(next_hop)) ); DEFINE_EVENT(mpath_evt, rdev_add_mpath, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u8 *dst, u8 *next_hop), TP_ARGS(wiphy, netdev, dst, next_hop) ); DEFINE_EVENT(mpath_evt, rdev_change_mpath, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u8 *dst, u8 *next_hop), TP_ARGS(wiphy, netdev, dst, next_hop) ); DEFINE_EVENT(mpath_evt, rdev_get_mpath, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u8 *dst, u8 *next_hop), TP_ARGS(wiphy, netdev, dst, next_hop) ); TRACE_EVENT(rdev_dump_mpath, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, int _idx, u8 *dst, u8 *next_hop), TP_ARGS(wiphy, netdev, _idx, dst, next_hop), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(dst) MAC_ENTRY(next_hop) __field(int, idx) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(dst, dst); MAC_ASSIGN(next_hop, next_hop); __entry->idx = _idx; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", index: %d, destination: " MAC_PR_FMT ", next hop: " MAC_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->idx, MAC_PR_ARG(dst), MAC_PR_ARG(next_hop)) ); TRACE_EVENT(rdev_get_mpp, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u8 *dst, u8 *mpp), TP_ARGS(wiphy, netdev, dst, mpp), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(dst) MAC_ENTRY(mpp) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(dst, dst); MAC_ASSIGN(mpp, mpp); ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", destination: " MAC_PR_FMT ", mpp: " MAC_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(dst), MAC_PR_ARG(mpp)) ); TRACE_EVENT(rdev_dump_mpp, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, int _idx, u8 *dst, u8 *mpp), TP_ARGS(wiphy, netdev, _idx, mpp, dst), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(dst) MAC_ENTRY(mpp) __field(int, idx) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(dst, dst); MAC_ASSIGN(mpp, mpp); __entry->idx = _idx; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", index: %d, destination: " MAC_PR_FMT ", mpp: " MAC_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->idx, MAC_PR_ARG(dst), MAC_PR_ARG(mpp)) ); TRACE_EVENT(rdev_return_int_mpath_info, TP_PROTO(struct wiphy *wiphy, int ret, struct mpath_info *pinfo), TP_ARGS(wiphy, ret, pinfo), TP_STRUCT__entry( WIPHY_ENTRY __field(int, ret) __field(int, generation) __field(u32, filled) __field(u32, frame_qlen) __field(u32, sn) __field(u32, metric) __field(u32, exptime) __field(u32, discovery_timeout) __field(u8, discovery_retries) __field(u8, flags) ), TP_fast_assign( WIPHY_ASSIGN; __entry->ret = ret; __entry->generation = pinfo->generation; __entry->filled = pinfo->filled; __entry->frame_qlen = pinfo->frame_qlen; __entry->sn = pinfo->sn; __entry->metric = pinfo->metric; __entry->exptime = pinfo->exptime; __entry->discovery_timeout = pinfo->discovery_timeout; __entry->discovery_retries = pinfo->discovery_retries; __entry->flags = pinfo->flags; ), TP_printk(WIPHY_PR_FMT ", returned %d. mpath info - generation: %d, " "filled: %u, frame qlen: %u, sn: %u, metric: %u, exptime: %u," " discovery timeout: %u, discovery retries: %u, flags: %u", WIPHY_PR_ARG, __entry->ret, __entry->generation, __entry->filled, __entry->frame_qlen, __entry->sn, __entry->metric, __entry->exptime, __entry->discovery_timeout, __entry->discovery_retries, __entry->flags) ); TRACE_EVENT(rdev_return_int_mesh_config, TP_PROTO(struct wiphy *wiphy, int ret, struct mesh_config *conf), TP_ARGS(wiphy, ret, conf), TP_STRUCT__entry( WIPHY_ENTRY MESH_CFG_ENTRY __field(int, ret) ), TP_fast_assign( WIPHY_ASSIGN; MESH_CFG_ASSIGN; __entry->ret = ret; ), TP_printk(WIPHY_PR_FMT ", returned: %d", WIPHY_PR_ARG, __entry->ret) ); TRACE_EVENT(rdev_update_mesh_config, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u32 mask, const struct mesh_config *conf), TP_ARGS(wiphy, netdev, mask, conf), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MESH_CFG_ENTRY __field(u32, mask) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MESH_CFG_ASSIGN; __entry->mask = mask; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", mask: %u", WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->mask) ); TRACE_EVENT(rdev_join_mesh, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, const struct mesh_config *conf, const struct mesh_setup *setup), TP_ARGS(wiphy, netdev, conf, setup), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MESH_CFG_ENTRY ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MESH_CFG_ASSIGN; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG) ); TRACE_EVENT(rdev_change_bss, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct bss_parameters *params), TP_ARGS(wiphy, netdev, params), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY __field(int, use_cts_prot) __field(int, use_short_preamble) __field(int, use_short_slot_time) __field(int, ap_isolate) __field(int, ht_opmode) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; __entry->use_cts_prot = params->use_cts_prot; __entry->use_short_preamble = params->use_short_preamble; __entry->use_short_slot_time = params->use_short_slot_time; __entry->ap_isolate = params->ap_isolate; __entry->ht_opmode = params->ht_opmode; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", use cts prot: %d, " "use short preamble: %d, use short slot time: %d, " "ap isolate: %d, ht opmode: %d", WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->use_cts_prot, __entry->use_short_preamble, __entry->use_short_slot_time, __entry->ap_isolate, __entry->ht_opmode) ); TRACE_EVENT(rdev_set_txq_params, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct ieee80211_txq_params *params), TP_ARGS(wiphy, netdev, params), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY __field(enum nl80211_ac, ac) __field(u16, txop) __field(u16, cwmin) __field(u16, cwmax) __field(u8, aifs) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; __entry->ac = params->ac; __entry->txop = params->txop; __entry->cwmin = params->cwmin; __entry->cwmax = params->cwmax; __entry->aifs = params->aifs; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", ac: %d, txop: %u, cwmin: %u, cwmax: %u, aifs: %u", WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->ac, __entry->txop, __entry->cwmin, __entry->cwmax, __entry->aifs) ); TRACE_EVENT(rdev_libertas_set_mesh_channel, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct ieee80211_channel *chan), TP_ARGS(wiphy, netdev, chan), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY CHAN_ENTRY ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; CHAN_ASSIGN(chan); ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " CHAN_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG, CHAN_PR_ARG) ); TRACE_EVENT(rdev_set_monitor_channel, TP_PROTO(struct wiphy *wiphy, struct cfg80211_chan_def *chandef), TP_ARGS(wiphy, chandef), TP_STRUCT__entry( WIPHY_ENTRY CHAN_DEF_ENTRY ), TP_fast_assign( WIPHY_ASSIGN; CHAN_DEF_ASSIGN(chandef); ), TP_printk(WIPHY_PR_FMT ", " CHAN_DEF_PR_FMT, WIPHY_PR_ARG, CHAN_DEF_PR_ARG) ); TRACE_EVENT(rdev_auth, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_auth_request *req), TP_ARGS(wiphy, netdev, req), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(bssid) __field(enum nl80211_auth_type, auth_type) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; if (req->bss) MAC_ASSIGN(bssid, req->bss->bssid); else eth_zero_addr(__entry->bssid); __entry->auth_type = req->auth_type; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", auth type: %d, bssid: " MAC_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->auth_type, MAC_PR_ARG(bssid)) ); TRACE_EVENT(rdev_assoc, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_assoc_request *req), TP_ARGS(wiphy, netdev, req), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(bssid) MAC_ENTRY(prev_bssid) __field(bool, use_mfp) __field(u32, flags) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; if (req->bss) MAC_ASSIGN(bssid, req->bss->bssid); else eth_zero_addr(__entry->bssid); MAC_ASSIGN(prev_bssid, req->prev_bssid); __entry->use_mfp = req->use_mfp; __entry->flags = req->flags; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", bssid: " MAC_PR_FMT ", previous bssid: " MAC_PR_FMT ", use mfp: %s, flags: %u", WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(bssid), MAC_PR_ARG(prev_bssid), BOOL_TO_STR(__entry->use_mfp), __entry->flags) ); TRACE_EVENT(rdev_deauth, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_deauth_request *req), TP_ARGS(wiphy, netdev, req), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(bssid) __field(u16, reason_code) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(bssid, req->bssid); __entry->reason_code = req->reason_code; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", bssid: " MAC_PR_FMT ", reason: %u", WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(bssid), __entry->reason_code) ); TRACE_EVENT(rdev_disassoc, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_disassoc_request *req), TP_ARGS(wiphy, netdev, req), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(bssid) __field(u16, reason_code) __field(bool, local_state_change) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; if (req->bss) MAC_ASSIGN(bssid, req->bss->bssid); else eth_zero_addr(__entry->bssid); __entry->reason_code = req->reason_code; __entry->local_state_change = req->local_state_change; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", bssid: " MAC_PR_FMT ", reason: %u, local state change: %s", WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(bssid), __entry->reason_code, BOOL_TO_STR(__entry->local_state_change)) ); TRACE_EVENT(rdev_mgmt_tx_cancel_wait, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev, u64 cookie), TP_ARGS(wiphy, wdev, cookie), TP_STRUCT__entry( WIPHY_ENTRY WDEV_ENTRY __field(u64, cookie) ), TP_fast_assign( WIPHY_ASSIGN; WDEV_ASSIGN; __entry->cookie = cookie; ), TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", cookie: %llu ", WIPHY_PR_ARG, WDEV_PR_ARG, __entry->cookie) ); TRACE_EVENT(rdev_set_power_mgmt, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, bool enabled, int timeout), TP_ARGS(wiphy, netdev, enabled, timeout), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY __field(bool, enabled) __field(int, timeout) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; __entry->enabled = enabled; __entry->timeout = timeout; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", %senabled, timeout: %d ", WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->enabled ? "" : "not ", __entry->timeout) ); TRACE_EVENT(rdev_connect, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_connect_params *sme), TP_ARGS(wiphy, netdev, sme), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(bssid) __array(char, ssid, IEEE80211_MAX_SSID_LEN + 1) __field(enum nl80211_auth_type, auth_type) __field(bool, privacy) __field(u32, wpa_versions) __field(u32, flags) MAC_ENTRY(prev_bssid) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(bssid, sme->bssid); memset(__entry->ssid, 0, IEEE80211_MAX_SSID_LEN + 1); memcpy(__entry->ssid, sme->ssid, sme->ssid_len); __entry->auth_type = sme->auth_type; __entry->privacy = sme->privacy; __entry->wpa_versions = sme->crypto.wpa_versions; __entry->flags = sme->flags; MAC_ASSIGN(prev_bssid, sme->prev_bssid); ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", bssid: " MAC_PR_FMT ", ssid: %s, auth type: %d, privacy: %s, wpa versions: %u, " "flags: %u, previous bssid: " MAC_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(bssid), __entry->ssid, __entry->auth_type, BOOL_TO_STR(__entry->privacy), __entry->wpa_versions, __entry->flags, MAC_PR_ARG(prev_bssid)) ); TRACE_EVENT(rdev_update_connect_params, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_connect_params *sme, u32 changed), TP_ARGS(wiphy, netdev, sme, changed), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY __field(u32, changed) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; __entry->changed = changed; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", parameters changed: %u", WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->changed) ); TRACE_EVENT(rdev_set_cqm_rssi_config, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, s32 rssi_thold, u32 rssi_hyst), TP_ARGS(wiphy, netdev, rssi_thold, rssi_hyst), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY __field(s32, rssi_thold) __field(u32, rssi_hyst) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; __entry->rssi_thold = rssi_thold; __entry->rssi_hyst = rssi_hyst; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", rssi_thold: %d, rssi_hyst: %u ", WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->rssi_thold, __entry->rssi_hyst) ); TRACE_EVENT(rdev_set_cqm_rssi_range_config, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, s32 low, s32 high), TP_ARGS(wiphy, netdev, low, high), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY __field(s32, rssi_low) __field(s32, rssi_high) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; __entry->rssi_low = low; __entry->rssi_high = high; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", range: %d - %d ", WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->rssi_low, __entry->rssi_high) ); TRACE_EVENT(rdev_set_cqm_txe_config, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u32 rate, u32 pkts, u32 intvl), TP_ARGS(wiphy, netdev, rate, pkts, intvl), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY __field(u32, rate) __field(u32, pkts) __field(u32, intvl) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; __entry->rate = rate; __entry->pkts = pkts; __entry->intvl = intvl; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", rate: %u, packets: %u, interval: %u", WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->rate, __entry->pkts, __entry->intvl) ); TRACE_EVENT(rdev_disconnect, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u16 reason_code), TP_ARGS(wiphy, netdev, reason_code), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY __field(u16, reason_code) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; __entry->reason_code = reason_code; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", reason code: %u", WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->reason_code) ); TRACE_EVENT(rdev_join_ibss, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_ibss_params *params), TP_ARGS(wiphy, netdev, params), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(bssid) __array(char, ssid, IEEE80211_MAX_SSID_LEN + 1) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(bssid, params->bssid); memset(__entry->ssid, 0, IEEE80211_MAX_SSID_LEN + 1); memcpy(__entry->ssid, params->ssid, params->ssid_len); ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", bssid: " MAC_PR_FMT ", ssid: %s", WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(bssid), __entry->ssid) ); TRACE_EVENT(rdev_join_ocb, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, const struct ocb_setup *setup), TP_ARGS(wiphy, netdev, setup), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG) ); TRACE_EVENT(rdev_set_wiphy_params, TP_PROTO(struct wiphy *wiphy, u32 changed), TP_ARGS(wiphy, changed), TP_STRUCT__entry( WIPHY_ENTRY __field(u32, changed) ), TP_fast_assign( WIPHY_ASSIGN; __entry->changed = changed; ), TP_printk(WIPHY_PR_FMT ", changed: %u", WIPHY_PR_ARG, __entry->changed) ); DEFINE_EVENT(wiphy_wdev_evt, rdev_get_tx_power, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev), TP_ARGS(wiphy, wdev) ); TRACE_EVENT(rdev_set_tx_power, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev, enum nl80211_tx_power_setting type, int mbm), TP_ARGS(wiphy, wdev, type, mbm), TP_STRUCT__entry( WIPHY_ENTRY WDEV_ENTRY __field(enum nl80211_tx_power_setting, type) __field(int, mbm) ), TP_fast_assign( WIPHY_ASSIGN; WDEV_ASSIGN; __entry->type = type; __entry->mbm = mbm; ), TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", type: %u, mbm: %d", WIPHY_PR_ARG, WDEV_PR_ARG,__entry->type, __entry->mbm) ); TRACE_EVENT(rdev_return_int_int, TP_PROTO(struct wiphy *wiphy, int func_ret, int func_fill), TP_ARGS(wiphy, func_ret, func_fill), TP_STRUCT__entry( WIPHY_ENTRY __field(int, func_ret) __field(int, func_fill) ), TP_fast_assign( WIPHY_ASSIGN; __entry->func_ret = func_ret; __entry->func_fill = func_fill; ), TP_printk(WIPHY_PR_FMT ", function returns: %d, function filled: %d", WIPHY_PR_ARG, __entry->func_ret, __entry->func_fill) ); #ifdef CONFIG_NL80211_TESTMODE TRACE_EVENT(rdev_testmode_cmd, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev), TP_ARGS(wiphy, wdev), TP_STRUCT__entry( WIPHY_ENTRY WDEV_ENTRY ), TP_fast_assign( WIPHY_ASSIGN; WDEV_ASSIGN; ), TP_printk(WIPHY_PR_FMT WDEV_PR_FMT, WIPHY_PR_ARG, WDEV_PR_ARG) ); TRACE_EVENT(rdev_testmode_dump, TP_PROTO(struct wiphy *wiphy), TP_ARGS(wiphy), TP_STRUCT__entry( WIPHY_ENTRY ), TP_fast_assign( WIPHY_ASSIGN; ), TP_printk(WIPHY_PR_FMT, WIPHY_PR_ARG) ); #endif /* CONFIG_NL80211_TESTMODE */ TRACE_EVENT(rdev_set_bitrate_mask, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, const u8 *peer, const struct cfg80211_bitrate_mask *mask), TP_ARGS(wiphy, netdev, peer, mask), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(peer) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(peer, peer); ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", peer: " MAC_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer)) ); TRACE_EVENT(rdev_update_mgmt_frame_registrations, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev, struct mgmt_frame_regs *upd), TP_ARGS(wiphy, wdev, upd), TP_STRUCT__entry( WIPHY_ENTRY WDEV_ENTRY __field(u16, global_stypes) __field(u16, interface_stypes) ), TP_fast_assign( WIPHY_ASSIGN; WDEV_ASSIGN; __entry->global_stypes = upd->global_stypes; __entry->interface_stypes = upd->interface_stypes; ), TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", global: 0x%.2x, intf: 0x%.2x", WIPHY_PR_ARG, WDEV_PR_ARG, __entry->global_stypes, __entry->interface_stypes) ); TRACE_EVENT(rdev_return_int_tx_rx, TP_PROTO(struct wiphy *wiphy, int ret, u32 tx, u32 rx), TP_ARGS(wiphy, ret, tx, rx), TP_STRUCT__entry( WIPHY_ENTRY __field(int, ret) __field(u32, tx) __field(u32, rx) ), TP_fast_assign( WIPHY_ASSIGN; __entry->ret = ret; __entry->tx = tx; __entry->rx = rx; ), TP_printk(WIPHY_PR_FMT ", returned %d, tx: %u, rx: %u", WIPHY_PR_ARG, __entry->ret, __entry->tx, __entry->rx) ); TRACE_EVENT(rdev_return_void_tx_rx, TP_PROTO(struct wiphy *wiphy, u32 tx, u32 tx_max, u32 rx, u32 rx_max), TP_ARGS(wiphy, tx, tx_max, rx, rx_max), TP_STRUCT__entry( WIPHY_ENTRY __field(u32, tx) __field(u32, tx_max) __field(u32, rx) __field(u32, rx_max) ), TP_fast_assign( WIPHY_ASSIGN; __entry->tx = tx; __entry->tx_max = tx_max; __entry->rx = rx; __entry->rx_max = rx_max; ), TP_printk(WIPHY_PR_FMT ", tx: %u, tx_max: %u, rx: %u, rx_max: %u ", WIPHY_PR_ARG, __entry->tx, __entry->tx_max, __entry->rx, __entry->rx_max) ); DECLARE_EVENT_CLASS(tx_rx_evt, TP_PROTO(struct wiphy *wiphy, u32 tx, u32 rx), TP_ARGS(wiphy, rx, tx), TP_STRUCT__entry( WIPHY_ENTRY __field(u32, tx) __field(u32, rx) ), TP_fast_assign( WIPHY_ASSIGN; __entry->tx = tx; __entry->rx = rx; ), TP_printk(WIPHY_PR_FMT ", tx: %u, rx: %u ", WIPHY_PR_ARG, __entry->tx, __entry->rx) ); DEFINE_EVENT(tx_rx_evt, rdev_set_antenna, TP_PROTO(struct wiphy *wiphy, u32 tx, u32 rx), TP_ARGS(wiphy, rx, tx) ); DECLARE_EVENT_CLASS(wiphy_netdev_id_evt, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u64 id), TP_ARGS(wiphy, netdev, id), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY __field(u64, id) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; __entry->id = id; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", id: %llu", WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->id) ); DEFINE_EVENT(wiphy_netdev_id_evt, rdev_sched_scan_start, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u64 id), TP_ARGS(wiphy, netdev, id) ); DEFINE_EVENT(wiphy_netdev_id_evt, rdev_sched_scan_stop, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u64 id), TP_ARGS(wiphy, netdev, id) ); TRACE_EVENT(rdev_tdls_mgmt, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u8 *peer, u8 action_code, u8 dialog_token, u16 status_code, u32 peer_capability, bool initiator, const u8 *buf, size_t len), TP_ARGS(wiphy, netdev, peer, action_code, dialog_token, status_code, peer_capability, initiator, buf, len), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(peer) __field(u8, action_code) __field(u8, dialog_token) __field(u16, status_code) __field(u32, peer_capability) __field(bool, initiator) __dynamic_array(u8, buf, len) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(peer, peer); __entry->action_code = action_code; __entry->dialog_token = dialog_token; __entry->status_code = status_code; __entry->peer_capability = peer_capability; __entry->initiator = initiator; memcpy(__get_dynamic_array(buf), buf, len); ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT ", action_code: %u, " "dialog_token: %u, status_code: %u, peer_capability: %u " "initiator: %s buf: %#.2x ", WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer), __entry->action_code, __entry->dialog_token, __entry->status_code, __entry->peer_capability, BOOL_TO_STR(__entry->initiator), ((u8 *)__get_dynamic_array(buf))[0]) ); TRACE_EVENT(rdev_dump_survey, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, int _idx), TP_ARGS(wiphy, netdev, _idx), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY __field(int, idx) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; __entry->idx = _idx; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", index: %d", WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->idx) ); TRACE_EVENT(rdev_return_int_survey_info, TP_PROTO(struct wiphy *wiphy, int ret, struct survey_info *info), TP_ARGS(wiphy, ret, info), TP_STRUCT__entry( WIPHY_ENTRY CHAN_ENTRY __field(int, ret) __field(u64, time) __field(u64, time_busy) __field(u64, time_ext_busy) __field(u64, time_rx) __field(u64, time_tx) __field(u64, time_scan) __field(u32, filled) __field(s8, noise) ), TP_fast_assign( WIPHY_ASSIGN; CHAN_ASSIGN(info->channel); __entry->ret = ret; __entry->time = info->time; __entry->time_busy = info->time_busy; __entry->time_ext_busy = info->time_ext_busy; __entry->time_rx = info->time_rx; __entry->time_tx = info->time_tx; __entry->time_scan = info->time_scan; __entry->filled = info->filled; __entry->noise = info->noise; ), TP_printk(WIPHY_PR_FMT ", returned: %d, " CHAN_PR_FMT ", channel time: %llu, channel time busy: %llu, " "channel time extension busy: %llu, channel time rx: %llu, " "channel time tx: %llu, scan time: %llu, filled: %u, noise: %d", WIPHY_PR_ARG, __entry->ret, CHAN_PR_ARG, __entry->time, __entry->time_busy, __entry->time_ext_busy, __entry->time_rx, __entry->time_tx, __entry->time_scan, __entry->filled, __entry->noise) ); TRACE_EVENT(rdev_tdls_oper, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u8 *peer, enum nl80211_tdls_operation oper), TP_ARGS(wiphy, netdev, peer, oper), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(peer) __field(enum nl80211_tdls_operation, oper) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(peer, peer); __entry->oper = oper; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT ", oper: %d", WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer), __entry->oper) ); DECLARE_EVENT_CLASS(rdev_pmksa, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_pmksa *pmksa), TP_ARGS(wiphy, netdev, pmksa), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(bssid) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(bssid, pmksa->bssid); ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", bssid: " MAC_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(bssid)) ); TRACE_EVENT(rdev_probe_client, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, const u8 *peer), TP_ARGS(wiphy, netdev, peer), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(peer) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(peer, peer); ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer)) ); DEFINE_EVENT(rdev_pmksa, rdev_set_pmksa, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_pmksa *pmksa), TP_ARGS(wiphy, netdev, pmksa) ); DEFINE_EVENT(rdev_pmksa, rdev_del_pmksa, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_pmksa *pmksa), TP_ARGS(wiphy, netdev, pmksa) ); TRACE_EVENT(rdev_remain_on_channel, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev, struct ieee80211_channel *chan, unsigned int duration), TP_ARGS(wiphy, wdev, chan, duration), TP_STRUCT__entry( WIPHY_ENTRY WDEV_ENTRY CHAN_ENTRY __field(unsigned int, duration) ), TP_fast_assign( WIPHY_ASSIGN; WDEV_ASSIGN; CHAN_ASSIGN(chan); __entry->duration = duration; ), TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", " CHAN_PR_FMT ", duration: %u", WIPHY_PR_ARG, WDEV_PR_ARG, CHAN_PR_ARG, __entry->duration) ); TRACE_EVENT(rdev_return_int_cookie, TP_PROTO(struct wiphy *wiphy, int ret, u64 cookie), TP_ARGS(wiphy, ret, cookie), TP_STRUCT__entry( WIPHY_ENTRY __field(int, ret) __field(u64, cookie) ), TP_fast_assign( WIPHY_ASSIGN; __entry->ret = ret; __entry->cookie = cookie; ), TP_printk(WIPHY_PR_FMT ", returned %d, cookie: %llu", WIPHY_PR_ARG, __entry->ret, __entry->cookie) ); TRACE_EVENT(rdev_cancel_remain_on_channel, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev, u64 cookie), TP_ARGS(wiphy, wdev, cookie), TP_STRUCT__entry( WIPHY_ENTRY WDEV_ENTRY __field(u64, cookie) ), TP_fast_assign( WIPHY_ASSIGN; WDEV_ASSIGN; __entry->cookie = cookie; ), TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", cookie: %llu", WIPHY_PR_ARG, WDEV_PR_ARG, __entry->cookie) ); TRACE_EVENT(rdev_mgmt_tx, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev, struct cfg80211_mgmt_tx_params *params), TP_ARGS(wiphy, wdev, params), TP_STRUCT__entry( WIPHY_ENTRY WDEV_ENTRY CHAN_ENTRY __field(bool, offchan) __field(unsigned int, wait) __field(bool, no_cck) __field(bool, dont_wait_for_ack) ), TP_fast_assign( WIPHY_ASSIGN; WDEV_ASSIGN; CHAN_ASSIGN(params->chan); __entry->offchan = params->offchan; __entry->wait = params->wait; __entry->no_cck = params->no_cck; __entry->dont_wait_for_ack = params->dont_wait_for_ack; ), TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", " CHAN_PR_FMT ", offchan: %s," " wait: %u, no cck: %s, dont wait for ack: %s", WIPHY_PR_ARG, WDEV_PR_ARG, CHAN_PR_ARG, BOOL_TO_STR(__entry->offchan), __entry->wait, BOOL_TO_STR(__entry->no_cck), BOOL_TO_STR(__entry->dont_wait_for_ack)) ); TRACE_EVENT(rdev_tx_control_port, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, const u8 *buf, size_t len, const u8 *dest, __be16 proto, bool unencrypted), TP_ARGS(wiphy, netdev, buf, len, dest, proto, unencrypted), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(dest) __field(__be16, proto) __field(bool, unencrypted) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(dest, dest); __entry->proto = proto; __entry->unencrypted = unencrypted; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT "," " proto: 0x%x, unencrypted: %s", WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(dest), be16_to_cpu(__entry->proto), BOOL_TO_STR(__entry->unencrypted)) ); TRACE_EVENT(rdev_set_noack_map, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u16 noack_map), TP_ARGS(wiphy, netdev, noack_map), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY __field(u16, noack_map) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; __entry->noack_map = noack_map; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", noack_map: %u", WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->noack_map) ); DEFINE_EVENT(wiphy_wdev_evt, rdev_get_channel, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev), TP_ARGS(wiphy, wdev) ); TRACE_EVENT(rdev_return_chandef, TP_PROTO(struct wiphy *wiphy, int ret, struct cfg80211_chan_def *chandef), TP_ARGS(wiphy, ret, chandef), TP_STRUCT__entry( WIPHY_ENTRY __field(int, ret) CHAN_DEF_ENTRY ), TP_fast_assign( WIPHY_ASSIGN; if (ret == 0) CHAN_DEF_ASSIGN(chandef); else CHAN_DEF_ASSIGN((struct cfg80211_chan_def *)NULL); __entry->ret = ret; ), TP_printk(WIPHY_PR_FMT ", " CHAN_DEF_PR_FMT ", ret: %d", WIPHY_PR_ARG, CHAN_DEF_PR_ARG, __entry->ret) ); DEFINE_EVENT(wiphy_wdev_evt, rdev_start_p2p_device, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev), TP_ARGS(wiphy, wdev) ); DEFINE_EVENT(wiphy_wdev_evt, rdev_stop_p2p_device, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev), TP_ARGS(wiphy, wdev) ); TRACE_EVENT(rdev_start_nan, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev, struct cfg80211_nan_conf *conf), TP_ARGS(wiphy, wdev, conf), TP_STRUCT__entry( WIPHY_ENTRY WDEV_ENTRY __field(u8, master_pref) __field(u8, bands) ), TP_fast_assign( WIPHY_ASSIGN; WDEV_ASSIGN; __entry->master_pref = conf->master_pref; __entry->bands = conf->bands; ), TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", master preference: %u, bands: 0x%0x", WIPHY_PR_ARG, WDEV_PR_ARG, __entry->master_pref, __entry->bands) ); TRACE_EVENT(rdev_nan_change_conf, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev, struct cfg80211_nan_conf *conf, u32 changes), TP_ARGS(wiphy, wdev, conf, changes), TP_STRUCT__entry( WIPHY_ENTRY WDEV_ENTRY __field(u8, master_pref) __field(u8, bands) __field(u32, changes) ), TP_fast_assign( WIPHY_ASSIGN; WDEV_ASSIGN; __entry->master_pref = conf->master_pref; __entry->bands = conf->bands; __entry->changes = changes; ), TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", master preference: %u, bands: 0x%0x, changes: %x", WIPHY_PR_ARG, WDEV_PR_ARG, __entry->master_pref, __entry->bands, __entry->changes) ); DEFINE_EVENT(wiphy_wdev_evt, rdev_stop_nan, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev), TP_ARGS(wiphy, wdev) ); TRACE_EVENT(rdev_add_nan_func, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev, const struct cfg80211_nan_func *func), TP_ARGS(wiphy, wdev, func), TP_STRUCT__entry( WIPHY_ENTRY WDEV_ENTRY __field(u8, func_type) __field(u64, cookie) ), TP_fast_assign( WIPHY_ASSIGN; WDEV_ASSIGN; __entry->func_type = func->type; __entry->cookie = func->cookie ), TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", type=%u, cookie=%llu", WIPHY_PR_ARG, WDEV_PR_ARG, __entry->func_type, __entry->cookie) ); TRACE_EVENT(rdev_del_nan_func, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev, u64 cookie), TP_ARGS(wiphy, wdev, cookie), TP_STRUCT__entry( WIPHY_ENTRY WDEV_ENTRY __field(u64, cookie) ), TP_fast_assign( WIPHY_ASSIGN; WDEV_ASSIGN; __entry->cookie = cookie; ), TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", cookie=%llu", WIPHY_PR_ARG, WDEV_PR_ARG, __entry->cookie) ); TRACE_EVENT(rdev_set_mac_acl, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_acl_data *params), TP_ARGS(wiphy, netdev, params), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY __field(u32, acl_policy) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; __entry->acl_policy = params->acl_policy; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", acl policy: %d", WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->acl_policy) ); TRACE_EVENT(rdev_update_ft_ies, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_update_ft_ies_params *ftie), TP_ARGS(wiphy, netdev, ftie), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY __field(u16, md) __dynamic_array(u8, ie, ftie->ie_len) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; __entry->md = ftie->md; memcpy(__get_dynamic_array(ie), ftie->ie, ftie->ie_len); ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", md: 0x%x", WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->md) ); TRACE_EVENT(rdev_crit_proto_start, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev, enum nl80211_crit_proto_id protocol, u16 duration), TP_ARGS(wiphy, wdev, protocol, duration), TP_STRUCT__entry( WIPHY_ENTRY WDEV_ENTRY __field(u16, proto) __field(u16, duration) ), TP_fast_assign( WIPHY_ASSIGN; WDEV_ASSIGN; __entry->proto = protocol; __entry->duration = duration; ), TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", proto=%x, duration=%u", WIPHY_PR_ARG, WDEV_PR_ARG, __entry->proto, __entry->duration) ); TRACE_EVENT(rdev_crit_proto_stop, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev), TP_ARGS(wiphy, wdev), TP_STRUCT__entry( WIPHY_ENTRY WDEV_ENTRY ), TP_fast_assign( WIPHY_ASSIGN; WDEV_ASSIGN; ), TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT, WIPHY_PR_ARG, WDEV_PR_ARG) ); TRACE_EVENT(rdev_channel_switch, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_csa_settings *params), TP_ARGS(wiphy, netdev, params), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY CHAN_DEF_ENTRY __field(bool, radar_required) __field(bool, block_tx) __field(u8, count) __dynamic_array(u16, bcn_ofs, params->n_counter_offsets_beacon) __dynamic_array(u16, pres_ofs, params->n_counter_offsets_presp) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; CHAN_DEF_ASSIGN(&params->chandef); __entry->radar_required = params->radar_required; __entry->block_tx = params->block_tx; __entry->count = params->count; memcpy(__get_dynamic_array(bcn_ofs), params->counter_offsets_beacon, params->n_counter_offsets_beacon * sizeof(u16)); /* probe response offsets are optional */ if (params->n_counter_offsets_presp) memcpy(__get_dynamic_array(pres_ofs), params->counter_offsets_presp, params->n_counter_offsets_presp * sizeof(u16)); ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " CHAN_DEF_PR_FMT ", block_tx: %d, count: %u, radar_required: %d", WIPHY_PR_ARG, NETDEV_PR_ARG, CHAN_DEF_PR_ARG, __entry->block_tx, __entry->count, __entry->radar_required) ); TRACE_EVENT(rdev_set_qos_map, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_qos_map *qos_map), TP_ARGS(wiphy, netdev, qos_map), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY QOS_MAP_ENTRY ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; QOS_MAP_ASSIGN(qos_map); ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", num_des: %u", WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->num_des) ); TRACE_EVENT(rdev_set_ap_chanwidth, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_chan_def *chandef), TP_ARGS(wiphy, netdev, chandef), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY CHAN_DEF_ENTRY ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; CHAN_DEF_ASSIGN(chandef); ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " CHAN_DEF_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG, CHAN_DEF_PR_ARG) ); TRACE_EVENT(rdev_add_tx_ts, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u8 tsid, const u8 *peer, u8 user_prio, u16 admitted_time), TP_ARGS(wiphy, netdev, tsid, peer, user_prio, admitted_time), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(peer) __field(u8, tsid) __field(u8, user_prio) __field(u16, admitted_time) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(peer, peer); __entry->tsid = tsid; __entry->user_prio = user_prio; __entry->admitted_time = admitted_time; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT ", TSID %d, UP %d, time %d", WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer), __entry->tsid, __entry->user_prio, __entry->admitted_time) ); TRACE_EVENT(rdev_del_tx_ts, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, u8 tsid, const u8 *peer), TP_ARGS(wiphy, netdev, tsid, peer), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(peer) __field(u8, tsid) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(peer, peer); __entry->tsid = tsid; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT ", TSID %d", WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer), __entry->tsid) ); TRACE_EVENT(rdev_tdls_channel_switch, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, const u8 *addr, u8 oper_class, struct cfg80211_chan_def *chandef), TP_ARGS(wiphy, netdev, addr, oper_class, chandef), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(addr) __field(u8, oper_class) CHAN_DEF_ENTRY ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(addr, addr); CHAN_DEF_ASSIGN(chandef); ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT " oper class %d, " CHAN_DEF_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(addr), __entry->oper_class, CHAN_DEF_PR_ARG) ); TRACE_EVENT(rdev_tdls_cancel_channel_switch, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, const u8 *addr), TP_ARGS(wiphy, netdev, addr), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(addr) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(addr, addr); ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(addr)) ); TRACE_EVENT(rdev_set_pmk, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_pmk_conf *pmk_conf), TP_ARGS(wiphy, netdev, pmk_conf), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(aa) __field(u8, pmk_len) __field(u8, pmk_r0_name_len) __dynamic_array(u8, pmk, pmk_conf->pmk_len) __dynamic_array(u8, pmk_r0_name, WLAN_PMK_NAME_LEN) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(aa, pmk_conf->aa); __entry->pmk_len = pmk_conf->pmk_len; __entry->pmk_r0_name_len = pmk_conf->pmk_r0_name ? WLAN_PMK_NAME_LEN : 0; memcpy(__get_dynamic_array(pmk), pmk_conf->pmk, pmk_conf->pmk_len); memcpy(__get_dynamic_array(pmk_r0_name), pmk_conf->pmk_r0_name, pmk_conf->pmk_r0_name ? WLAN_PMK_NAME_LEN : 0); ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT "pmk_len=%u, pmk: %s pmk_r0_name: %s", WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(aa), __entry->pmk_len, __print_array(__get_dynamic_array(pmk), __get_dynamic_array_len(pmk), 1), __entry->pmk_r0_name_len ? __print_array(__get_dynamic_array(pmk_r0_name), __get_dynamic_array_len(pmk_r0_name), 1) : "") ); TRACE_EVENT(rdev_del_pmk, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, const u8 *aa), TP_ARGS(wiphy, netdev, aa), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(aa) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(aa, aa); ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(aa)) ); TRACE_EVENT(rdev_external_auth, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_external_auth_params *params), TP_ARGS(wiphy, netdev, params), TP_STRUCT__entry(WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(bssid) __array(u8, ssid, IEEE80211_MAX_SSID_LEN + 1) __field(u16, status) ), TP_fast_assign(WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(bssid, params->bssid); memset(__entry->ssid, 0, IEEE80211_MAX_SSID_LEN + 1); memcpy(__entry->ssid, params->ssid.ssid, params->ssid.ssid_len); __entry->status = params->status; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", bssid: " MAC_PR_FMT ", ssid: %s, status: %u", WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->bssid, __entry->ssid, __entry->status) ); TRACE_EVENT(rdev_start_radar_detection, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_chan_def *chandef, u32 cac_time_ms), TP_ARGS(wiphy, netdev, chandef, cac_time_ms), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY CHAN_DEF_ENTRY __field(u32, cac_time_ms) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; CHAN_DEF_ASSIGN(chandef); __entry->cac_time_ms = cac_time_ms; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " CHAN_DEF_PR_FMT ", cac_time_ms=%u", WIPHY_PR_ARG, NETDEV_PR_ARG, CHAN_DEF_PR_ARG, __entry->cac_time_ms) ); TRACE_EVENT(rdev_set_mcast_rate, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, int *mcast_rate), TP_ARGS(wiphy, netdev, mcast_rate), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY __array(int, mcast_rate, NUM_NL80211_BANDS) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; memcpy(__entry->mcast_rate, mcast_rate, sizeof(int) * NUM_NL80211_BANDS); ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " "mcast_rates [2.4GHz=0x%x, 5.2GHz=0x%x, 6GHz=0x%x, 60GHz=0x%x]", WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->mcast_rate[NL80211_BAND_2GHZ], __entry->mcast_rate[NL80211_BAND_5GHZ], __entry->mcast_rate[NL80211_BAND_6GHZ], __entry->mcast_rate[NL80211_BAND_60GHZ]) ); TRACE_EVENT(rdev_set_coalesce, TP_PROTO(struct wiphy *wiphy, struct cfg80211_coalesce *coalesce), TP_ARGS(wiphy, coalesce), TP_STRUCT__entry( WIPHY_ENTRY __field(int, n_rules) ), TP_fast_assign( WIPHY_ASSIGN; __entry->n_rules = coalesce ? coalesce->n_rules : 0; ), TP_printk(WIPHY_PR_FMT ", n_rules=%d", WIPHY_PR_ARG, __entry->n_rules) ); DEFINE_EVENT(wiphy_wdev_evt, rdev_abort_scan, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev), TP_ARGS(wiphy, wdev) ); TRACE_EVENT(rdev_set_multicast_to_unicast, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, const bool enabled), TP_ARGS(wiphy, netdev, enabled), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY __field(bool, enabled) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; __entry->enabled = enabled; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", unicast: %s", WIPHY_PR_ARG, NETDEV_PR_ARG, BOOL_TO_STR(__entry->enabled)) ); DEFINE_EVENT(wiphy_wdev_evt, rdev_get_txq_stats, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev), TP_ARGS(wiphy, wdev) ); TRACE_EVENT(rdev_get_ftm_responder_stats, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_ftm_responder_stats *ftm_stats), TP_ARGS(wiphy, netdev, ftm_stats), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY __field(u64, timestamp) __field(u32, success_num) __field(u32, partial_num) __field(u32, failed_num) __field(u32, asap_num) __field(u32, non_asap_num) __field(u64, duration) __field(u32, unknown_triggers) __field(u32, reschedule) __field(u32, out_of_window) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; __entry->success_num = ftm_stats->success_num; __entry->partial_num = ftm_stats->partial_num; __entry->failed_num = ftm_stats->failed_num; __entry->asap_num = ftm_stats->asap_num; __entry->non_asap_num = ftm_stats->non_asap_num; __entry->duration = ftm_stats->total_duration_ms; __entry->unknown_triggers = ftm_stats->unknown_triggers_num; __entry->reschedule = ftm_stats->reschedule_requests_num; __entry->out_of_window = ftm_stats->out_of_window_triggers_num; ), TP_printk(WIPHY_PR_FMT "Ftm responder stats: success %u, partial %u, " "failed %u, asap %u, non asap %u, total duration %llu, unknown " "triggers %u, rescheduled %u, out of window %u", WIPHY_PR_ARG, __entry->success_num, __entry->partial_num, __entry->failed_num, __entry->asap_num, __entry->non_asap_num, __entry->duration, __entry->unknown_triggers, __entry->reschedule, __entry->out_of_window) ); DEFINE_EVENT(wiphy_wdev_cookie_evt, rdev_start_pmsr, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev, u64 cookie), TP_ARGS(wiphy, wdev, cookie) ); DEFINE_EVENT(wiphy_wdev_cookie_evt, rdev_abort_pmsr, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev, u64 cookie), TP_ARGS(wiphy, wdev, cookie) ); /************************************************************* * cfg80211 exported functions traces * *************************************************************/ TRACE_EVENT(cfg80211_return_bool, TP_PROTO(bool ret), TP_ARGS(ret), TP_STRUCT__entry( __field(bool, ret) ), TP_fast_assign( __entry->ret = ret; ), TP_printk("returned %s", BOOL_TO_STR(__entry->ret)) ); DECLARE_EVENT_CLASS(cfg80211_netdev_mac_evt, TP_PROTO(struct net_device *netdev, const u8 *macaddr), TP_ARGS(netdev, macaddr), TP_STRUCT__entry( NETDEV_ENTRY MAC_ENTRY(macaddr) ), TP_fast_assign( NETDEV_ASSIGN; MAC_ASSIGN(macaddr, macaddr); ), TP_printk(NETDEV_PR_FMT ", mac: " MAC_PR_FMT, NETDEV_PR_ARG, MAC_PR_ARG(macaddr)) ); DEFINE_EVENT(cfg80211_netdev_mac_evt, cfg80211_notify_new_peer_candidate, TP_PROTO(struct net_device *netdev, const u8 *macaddr), TP_ARGS(netdev, macaddr) ); DECLARE_EVENT_CLASS(netdev_evt_only, TP_PROTO(struct net_device *netdev), TP_ARGS(netdev), TP_STRUCT__entry( NETDEV_ENTRY ), TP_fast_assign( NETDEV_ASSIGN; ), TP_printk(NETDEV_PR_FMT , NETDEV_PR_ARG) ); DEFINE_EVENT(netdev_evt_only, cfg80211_send_rx_auth, TP_PROTO(struct net_device *netdev), TP_ARGS(netdev) ); TRACE_EVENT(cfg80211_send_rx_assoc, TP_PROTO(struct net_device *netdev, struct cfg80211_bss *bss), TP_ARGS(netdev, bss), TP_STRUCT__entry( NETDEV_ENTRY MAC_ENTRY(bssid) CHAN_ENTRY ), TP_fast_assign( NETDEV_ASSIGN; MAC_ASSIGN(bssid, bss->bssid); CHAN_ASSIGN(bss->channel); ), TP_printk(NETDEV_PR_FMT ", " MAC_PR_FMT ", " CHAN_PR_FMT, NETDEV_PR_ARG, MAC_PR_ARG(bssid), CHAN_PR_ARG) ); DECLARE_EVENT_CLASS(netdev_frame_event, TP_PROTO(struct net_device *netdev, const u8 *buf, int len), TP_ARGS(netdev, buf, len), TP_STRUCT__entry( NETDEV_ENTRY __dynamic_array(u8, frame, len) ), TP_fast_assign( NETDEV_ASSIGN; memcpy(__get_dynamic_array(frame), buf, len); ), TP_printk(NETDEV_PR_FMT ", ftype:0x%.2x", NETDEV_PR_ARG, le16_to_cpup((__le16 *)__get_dynamic_array(frame))) ); DEFINE_EVENT(netdev_frame_event, cfg80211_rx_unprot_mlme_mgmt, TP_PROTO(struct net_device *netdev, const u8 *buf, int len), TP_ARGS(netdev, buf, len) ); DEFINE_EVENT(netdev_frame_event, cfg80211_rx_mlme_mgmt, TP_PROTO(struct net_device *netdev, const u8 *buf, int len), TP_ARGS(netdev, buf, len) ); TRACE_EVENT(cfg80211_tx_mlme_mgmt, TP_PROTO(struct net_device *netdev, const u8 *buf, int len), TP_ARGS(netdev, buf, len), TP_STRUCT__entry( NETDEV_ENTRY __dynamic_array(u8, frame, len) ), TP_fast_assign( NETDEV_ASSIGN; memcpy(__get_dynamic_array(frame), buf, len); ), TP_printk(NETDEV_PR_FMT ", ftype:0x%.2x", NETDEV_PR_ARG, le16_to_cpup((__le16 *)__get_dynamic_array(frame))) ); DECLARE_EVENT_CLASS(netdev_mac_evt, TP_PROTO(struct net_device *netdev, const u8 *mac), TP_ARGS(netdev, mac), TP_STRUCT__entry( NETDEV_ENTRY MAC_ENTRY(mac) ), TP_fast_assign( NETDEV_ASSIGN; MAC_ASSIGN(mac, mac) ), TP_printk(NETDEV_PR_FMT ", mac: " MAC_PR_FMT, NETDEV_PR_ARG, MAC_PR_ARG(mac)) ); DEFINE_EVENT(netdev_mac_evt, cfg80211_send_auth_timeout, TP_PROTO(struct net_device *netdev, const u8 *mac), TP_ARGS(netdev, mac) ); DEFINE_EVENT(netdev_mac_evt, cfg80211_send_assoc_timeout, TP_PROTO(struct net_device *netdev, const u8 *mac), TP_ARGS(netdev, mac) ); TRACE_EVENT(cfg80211_michael_mic_failure, TP_PROTO(struct net_device *netdev, const u8 *addr, enum nl80211_key_type key_type, int key_id, const u8 *tsc), TP_ARGS(netdev, addr, key_type, key_id, tsc), TP_STRUCT__entry( NETDEV_ENTRY MAC_ENTRY(addr) __field(enum nl80211_key_type, key_type) __field(int, key_id) __array(u8, tsc, 6) ), TP_fast_assign( NETDEV_ASSIGN; MAC_ASSIGN(addr, addr); __entry->key_type = key_type; __entry->key_id = key_id; if (tsc) memcpy(__entry->tsc, tsc, 6); ), TP_printk(NETDEV_PR_FMT ", " MAC_PR_FMT ", key type: %d, key id: %d, tsc: %pm", NETDEV_PR_ARG, MAC_PR_ARG(addr), __entry->key_type, __entry->key_id, __entry->tsc) ); TRACE_EVENT(cfg80211_ready_on_channel, TP_PROTO(struct wireless_dev *wdev, u64 cookie, struct ieee80211_channel *chan, unsigned int duration), TP_ARGS(wdev, cookie, chan, duration), TP_STRUCT__entry( WDEV_ENTRY __field(u64, cookie) CHAN_ENTRY __field(unsigned int, duration) ), TP_fast_assign( WDEV_ASSIGN; __entry->cookie = cookie; CHAN_ASSIGN(chan); __entry->duration = duration; ), TP_printk(WDEV_PR_FMT ", cookie: %llu, " CHAN_PR_FMT ", duration: %u", WDEV_PR_ARG, __entry->cookie, CHAN_PR_ARG, __entry->duration) ); TRACE_EVENT(cfg80211_ready_on_channel_expired, TP_PROTO(struct wireless_dev *wdev, u64 cookie, struct ieee80211_channel *chan), TP_ARGS(wdev, cookie, chan), TP_STRUCT__entry( WDEV_ENTRY __field(u64, cookie) CHAN_ENTRY ), TP_fast_assign( WDEV_ASSIGN; __entry->cookie = cookie; CHAN_ASSIGN(chan); ), TP_printk(WDEV_PR_FMT ", cookie: %llu, " CHAN_PR_FMT, WDEV_PR_ARG, __entry->cookie, CHAN_PR_ARG) ); TRACE_EVENT(cfg80211_tx_mgmt_expired, TP_PROTO(struct wireless_dev *wdev, u64 cookie, struct ieee80211_channel *chan), TP_ARGS(wdev, cookie, chan), TP_STRUCT__entry( WDEV_ENTRY __field(u64, cookie) CHAN_ENTRY ), TP_fast_assign( WDEV_ASSIGN; __entry->cookie = cookie; CHAN_ASSIGN(chan); ), TP_printk(WDEV_PR_FMT ", cookie: %llu, " CHAN_PR_FMT, WDEV_PR_ARG, __entry->cookie, CHAN_PR_ARG) ); TRACE_EVENT(cfg80211_new_sta, TP_PROTO(struct net_device *netdev, const u8 *mac_addr, struct station_info *sinfo), TP_ARGS(netdev, mac_addr, sinfo), TP_STRUCT__entry( NETDEV_ENTRY MAC_ENTRY(mac_addr) SINFO_ENTRY ), TP_fast_assign( NETDEV_ASSIGN; MAC_ASSIGN(mac_addr, mac_addr); SINFO_ASSIGN; ), TP_printk(NETDEV_PR_FMT ", " MAC_PR_FMT, NETDEV_PR_ARG, MAC_PR_ARG(mac_addr)) ); DEFINE_EVENT(cfg80211_netdev_mac_evt, cfg80211_del_sta, TP_PROTO(struct net_device *netdev, const u8 *macaddr), TP_ARGS(netdev, macaddr) ); TRACE_EVENT(cfg80211_rx_mgmt, TP_PROTO(struct wireless_dev *wdev, int freq, int sig_dbm), TP_ARGS(wdev, freq, sig_dbm), TP_STRUCT__entry( WDEV_ENTRY __field(int, freq) __field(int, sig_dbm) ), TP_fast_assign( WDEV_ASSIGN; __entry->freq = freq; __entry->sig_dbm = sig_dbm; ), TP_printk(WDEV_PR_FMT ", freq: "KHZ_F", sig dbm: %d", WDEV_PR_ARG, PR_KHZ(__entry->freq), __entry->sig_dbm) ); TRACE_EVENT(cfg80211_mgmt_tx_status, TP_PROTO(struct wireless_dev *wdev, u64 cookie, bool ack), TP_ARGS(wdev, cookie, ack), TP_STRUCT__entry( WDEV_ENTRY __field(u64, cookie) __field(bool, ack) ), TP_fast_assign( WDEV_ASSIGN; __entry->cookie = cookie; __entry->ack = ack; ), TP_printk(WDEV_PR_FMT", cookie: %llu, ack: %s", WDEV_PR_ARG, __entry->cookie, BOOL_TO_STR(__entry->ack)) ); TRACE_EVENT(cfg80211_control_port_tx_status, TP_PROTO(struct wireless_dev *wdev, u64 cookie, bool ack), TP_ARGS(wdev, cookie, ack), TP_STRUCT__entry( WDEV_ENTRY __field(u64, cookie) __field(bool, ack) ), TP_fast_assign( WDEV_ASSIGN; __entry->cookie = cookie; __entry->ack = ack; ), TP_printk(WDEV_PR_FMT", cookie: %llu, ack: %s", WDEV_PR_ARG, __entry->cookie, BOOL_TO_STR(__entry->ack)) ); TRACE_EVENT(cfg80211_rx_control_port, TP_PROTO(struct net_device *netdev, struct sk_buff *skb, bool unencrypted), TP_ARGS(netdev, skb, unencrypted), TP_STRUCT__entry( NETDEV_ENTRY __field(int, len) MAC_ENTRY(from) __field(u16, proto) __field(bool, unencrypted) ), TP_fast_assign( NETDEV_ASSIGN; __entry->len = skb->len; MAC_ASSIGN(from, eth_hdr(skb)->h_source); __entry->proto = be16_to_cpu(skb->protocol); __entry->unencrypted = unencrypted; ), TP_printk(NETDEV_PR_FMT ", len=%d, " MAC_PR_FMT ", proto: 0x%x, unencrypted: %s", NETDEV_PR_ARG, __entry->len, MAC_PR_ARG(from), __entry->proto, BOOL_TO_STR(__entry->unencrypted)) ); TRACE_EVENT(cfg80211_cqm_rssi_notify, TP_PROTO(struct net_device *netdev, enum nl80211_cqm_rssi_threshold_event rssi_event, s32 rssi_level), TP_ARGS(netdev, rssi_event, rssi_level), TP_STRUCT__entry( NETDEV_ENTRY __field(enum nl80211_cqm_rssi_threshold_event, rssi_event) __field(s32, rssi_level) ), TP_fast_assign( NETDEV_ASSIGN; __entry->rssi_event = rssi_event; __entry->rssi_level = rssi_level; ), TP_printk(NETDEV_PR_FMT ", rssi event: %d, level: %d", NETDEV_PR_ARG, __entry->rssi_event, __entry->rssi_level) ); TRACE_EVENT(cfg80211_reg_can_beacon, TP_PROTO(struct wiphy *wiphy, struct cfg80211_chan_def *chandef, enum nl80211_iftype iftype, bool check_no_ir), TP_ARGS(wiphy, chandef, iftype, check_no_ir), TP_STRUCT__entry( WIPHY_ENTRY CHAN_DEF_ENTRY __field(enum nl80211_iftype, iftype) __field(bool, check_no_ir) ), TP_fast_assign( WIPHY_ASSIGN; CHAN_DEF_ASSIGN(chandef); __entry->iftype = iftype; __entry->check_no_ir = check_no_ir; ), TP_printk(WIPHY_PR_FMT ", " CHAN_DEF_PR_FMT ", iftype=%d check_no_ir=%s", WIPHY_PR_ARG, CHAN_DEF_PR_ARG, __entry->iftype, BOOL_TO_STR(__entry->check_no_ir)) ); TRACE_EVENT(cfg80211_chandef_dfs_required, TP_PROTO(struct wiphy *wiphy, struct cfg80211_chan_def *chandef), TP_ARGS(wiphy, chandef), TP_STRUCT__entry( WIPHY_ENTRY CHAN_DEF_ENTRY ), TP_fast_assign( WIPHY_ASSIGN; CHAN_DEF_ASSIGN(chandef); ), TP_printk(WIPHY_PR_FMT ", " CHAN_DEF_PR_FMT, WIPHY_PR_ARG, CHAN_DEF_PR_ARG) ); TRACE_EVENT(cfg80211_ch_switch_notify, TP_PROTO(struct net_device *netdev, struct cfg80211_chan_def *chandef), TP_ARGS(netdev, chandef), TP_STRUCT__entry( NETDEV_ENTRY CHAN_DEF_ENTRY ), TP_fast_assign( NETDEV_ASSIGN; CHAN_DEF_ASSIGN(chandef); ), TP_printk(NETDEV_PR_FMT ", " CHAN_DEF_PR_FMT, NETDEV_PR_ARG, CHAN_DEF_PR_ARG) ); TRACE_EVENT(cfg80211_ch_switch_started_notify, TP_PROTO(struct net_device *netdev, struct cfg80211_chan_def *chandef), TP_ARGS(netdev, chandef), TP_STRUCT__entry( NETDEV_ENTRY CHAN_DEF_ENTRY ), TP_fast_assign( NETDEV_ASSIGN; CHAN_DEF_ASSIGN(chandef); ), TP_printk(NETDEV_PR_FMT ", " CHAN_DEF_PR_FMT, NETDEV_PR_ARG, CHAN_DEF_PR_ARG) ); TRACE_EVENT(cfg80211_radar_event, TP_PROTO(struct wiphy *wiphy, struct cfg80211_chan_def *chandef), TP_ARGS(wiphy, chandef), TP_STRUCT__entry( WIPHY_ENTRY CHAN_DEF_ENTRY ), TP_fast_assign( WIPHY_ASSIGN; CHAN_DEF_ASSIGN(chandef); ), TP_printk(WIPHY_PR_FMT ", " CHAN_DEF_PR_FMT, WIPHY_PR_ARG, CHAN_DEF_PR_ARG) ); TRACE_EVENT(cfg80211_cac_event, TP_PROTO(struct net_device *netdev, enum nl80211_radar_event evt), TP_ARGS(netdev, evt), TP_STRUCT__entry( NETDEV_ENTRY __field(enum nl80211_radar_event, evt) ), TP_fast_assign( NETDEV_ASSIGN; __entry->evt = evt; ), TP_printk(NETDEV_PR_FMT ", event: %d", NETDEV_PR_ARG, __entry->evt) ); DECLARE_EVENT_CLASS(cfg80211_rx_evt, TP_PROTO(struct net_device *netdev, const u8 *addr), TP_ARGS(netdev, addr), TP_STRUCT__entry( NETDEV_ENTRY MAC_ENTRY(addr) ), TP_fast_assign( NETDEV_ASSIGN; MAC_ASSIGN(addr, addr); ), TP_printk(NETDEV_PR_FMT ", " MAC_PR_FMT, NETDEV_PR_ARG, MAC_PR_ARG(addr)) ); DEFINE_EVENT(cfg80211_rx_evt, cfg80211_rx_spurious_frame, TP_PROTO(struct net_device *netdev, const u8 *addr), TP_ARGS(netdev, addr) ); DEFINE_EVENT(cfg80211_rx_evt, cfg80211_rx_unexpected_4addr_frame, TP_PROTO(struct net_device *netdev, const u8 *addr), TP_ARGS(netdev, addr) ); TRACE_EVENT(cfg80211_ibss_joined, TP_PROTO(struct net_device *netdev, const u8 *bssid, struct ieee80211_channel *channel), TP_ARGS(netdev, bssid, channel), TP_STRUCT__entry( NETDEV_ENTRY MAC_ENTRY(bssid) CHAN_ENTRY ), TP_fast_assign( NETDEV_ASSIGN; MAC_ASSIGN(bssid, bssid); CHAN_ASSIGN(channel); ), TP_printk(NETDEV_PR_FMT ", bssid: " MAC_PR_FMT ", " CHAN_PR_FMT, NETDEV_PR_ARG, MAC_PR_ARG(bssid), CHAN_PR_ARG) ); TRACE_EVENT(cfg80211_probe_status, TP_PROTO(struct net_device *netdev, const u8 *addr, u64 cookie, bool acked), TP_ARGS(netdev, addr, cookie, acked), TP_STRUCT__entry( NETDEV_ENTRY MAC_ENTRY(addr) __field(u64, cookie) __field(bool, acked) ), TP_fast_assign( NETDEV_ASSIGN; MAC_ASSIGN(addr, addr); __entry->cookie = cookie; __entry->acked = acked; ), TP_printk(NETDEV_PR_FMT " addr:" MAC_PR_FMT ", cookie: %llu, acked: %s", NETDEV_PR_ARG, MAC_PR_ARG(addr), __entry->cookie, BOOL_TO_STR(__entry->acked)) ); TRACE_EVENT(cfg80211_cqm_pktloss_notify, TP_PROTO(struct net_device *netdev, const u8 *peer, u32 num_packets), TP_ARGS(netdev, peer, num_packets), TP_STRUCT__entry( NETDEV_ENTRY MAC_ENTRY(peer) __field(u32, num_packets) ), TP_fast_assign( NETDEV_ASSIGN; MAC_ASSIGN(peer, peer); __entry->num_packets = num_packets; ), TP_printk(NETDEV_PR_FMT ", peer: " MAC_PR_FMT ", num of lost packets: %u", NETDEV_PR_ARG, MAC_PR_ARG(peer), __entry->num_packets) ); DEFINE_EVENT(cfg80211_netdev_mac_evt, cfg80211_gtk_rekey_notify, TP_PROTO(struct net_device *netdev, const u8 *macaddr), TP_ARGS(netdev, macaddr) ); TRACE_EVENT(cfg80211_pmksa_candidate_notify, TP_PROTO(struct net_device *netdev, int index, const u8 *bssid, bool preauth), TP_ARGS(netdev, index, bssid, preauth), TP_STRUCT__entry( NETDEV_ENTRY __field(int, index) MAC_ENTRY(bssid) __field(bool, preauth) ), TP_fast_assign( NETDEV_ASSIGN; __entry->index = index; MAC_ASSIGN(bssid, bssid); __entry->preauth = preauth; ), TP_printk(NETDEV_PR_FMT ", index:%d, bssid: " MAC_PR_FMT ", pre auth: %s", NETDEV_PR_ARG, __entry->index, MAC_PR_ARG(bssid), BOOL_TO_STR(__entry->preauth)) ); TRACE_EVENT(cfg80211_report_obss_beacon, TP_PROTO(struct wiphy *wiphy, const u8 *frame, size_t len, int freq, int sig_dbm), TP_ARGS(wiphy, frame, len, freq, sig_dbm), TP_STRUCT__entry( WIPHY_ENTRY __field(int, freq) __field(int, sig_dbm) ), TP_fast_assign( WIPHY_ASSIGN; __entry->freq = freq; __entry->sig_dbm = sig_dbm; ), TP_printk(WIPHY_PR_FMT ", freq: "KHZ_F", sig_dbm: %d", WIPHY_PR_ARG, PR_KHZ(__entry->freq), __entry->sig_dbm) ); TRACE_EVENT(cfg80211_tdls_oper_request, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, const u8 *peer, enum nl80211_tdls_operation oper, u16 reason_code), TP_ARGS(wiphy, netdev, peer, oper, reason_code), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(peer) __field(enum nl80211_tdls_operation, oper) __field(u16, reason_code) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(peer, peer); __entry->oper = oper; __entry->reason_code = reason_code; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", peer: " MAC_PR_FMT ", oper: %d, reason_code %u", WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer), __entry->oper, __entry->reason_code) ); TRACE_EVENT(cfg80211_scan_done, TP_PROTO(struct cfg80211_scan_request *request, struct cfg80211_scan_info *info), TP_ARGS(request, info), TP_STRUCT__entry( __field(u32, n_channels) __dynamic_array(u8, ie, request ? request->ie_len : 0) __array(u32, rates, NUM_NL80211_BANDS) __field(u32, wdev_id) MAC_ENTRY(wiphy_mac) __field(bool, no_cck) __field(bool, aborted) __field(u64, scan_start_tsf) MAC_ENTRY(tsf_bssid) ), TP_fast_assign( if (request) { memcpy(__get_dynamic_array(ie), request->ie, request->ie_len); memcpy(__entry->rates, request->rates, NUM_NL80211_BANDS); __entry->wdev_id = request->wdev ? request->wdev->identifier : 0; if (request->wiphy) MAC_ASSIGN(wiphy_mac, request->wiphy->perm_addr); __entry->no_cck = request->no_cck; } if (info) { __entry->aborted = info->aborted; __entry->scan_start_tsf = info->scan_start_tsf; MAC_ASSIGN(tsf_bssid, info->tsf_bssid); } ), TP_printk("aborted: %s, scan start (TSF): %llu, tsf_bssid: " MAC_PR_FMT, BOOL_TO_STR(__entry->aborted), (unsigned long long)__entry->scan_start_tsf, MAC_PR_ARG(tsf_bssid)) ); DECLARE_EVENT_CLASS(wiphy_id_evt, TP_PROTO(struct wiphy *wiphy, u64 id), TP_ARGS(wiphy, id), TP_STRUCT__entry( WIPHY_ENTRY __field(u64, id) ), TP_fast_assign( WIPHY_ASSIGN; __entry->id = id; ), TP_printk(WIPHY_PR_FMT ", id: %llu", WIPHY_PR_ARG, __entry->id) ); DEFINE_EVENT(wiphy_id_evt, cfg80211_sched_scan_stopped, TP_PROTO(struct wiphy *wiphy, u64 id), TP_ARGS(wiphy, id) ); DEFINE_EVENT(wiphy_id_evt, cfg80211_sched_scan_results, TP_PROTO(struct wiphy *wiphy, u64 id), TP_ARGS(wiphy, id) ); TRACE_EVENT(cfg80211_get_bss, TP_PROTO(struct wiphy *wiphy, struct ieee80211_channel *channel, const u8 *bssid, const u8 *ssid, size_t ssid_len, enum ieee80211_bss_type bss_type, enum ieee80211_privacy privacy), TP_ARGS(wiphy, channel, bssid, ssid, ssid_len, bss_type, privacy), TP_STRUCT__entry( WIPHY_ENTRY CHAN_ENTRY MAC_ENTRY(bssid) __dynamic_array(u8, ssid, ssid_len) __field(enum ieee80211_bss_type, bss_type) __field(enum ieee80211_privacy, privacy) ), TP_fast_assign( WIPHY_ASSIGN; CHAN_ASSIGN(channel); MAC_ASSIGN(bssid, bssid); memcpy(__get_dynamic_array(ssid), ssid, ssid_len); __entry->bss_type = bss_type; __entry->privacy = privacy; ), TP_printk(WIPHY_PR_FMT ", " CHAN_PR_FMT ", " MAC_PR_FMT ", buf: %#.2x, bss_type: %d, privacy: %d", WIPHY_PR_ARG, CHAN_PR_ARG, MAC_PR_ARG(bssid), ((u8 *)__get_dynamic_array(ssid))[0], __entry->bss_type, __entry->privacy) ); TRACE_EVENT(cfg80211_inform_bss_frame, TP_PROTO(struct wiphy *wiphy, struct cfg80211_inform_bss *data, struct ieee80211_mgmt *mgmt, size_t len), TP_ARGS(wiphy, data, mgmt, len), TP_STRUCT__entry( WIPHY_ENTRY CHAN_ENTRY __field(enum nl80211_bss_scan_width, scan_width) __dynamic_array(u8, mgmt, len) __field(s32, signal) __field(u64, ts_boottime) __field(u64, parent_tsf) MAC_ENTRY(parent_bssid) ), TP_fast_assign( WIPHY_ASSIGN; CHAN_ASSIGN(data->chan); __entry->scan_width = data->scan_width; if (mgmt) memcpy(__get_dynamic_array(mgmt), mgmt, len); __entry->signal = data->signal; __entry->ts_boottime = data->boottime_ns; __entry->parent_tsf = data->parent_tsf; MAC_ASSIGN(parent_bssid, data->parent_bssid); ), TP_printk(WIPHY_PR_FMT ", " CHAN_PR_FMT "(scan_width: %d) signal: %d, tsb:%llu, detect_tsf:%llu, tsf_bssid: " MAC_PR_FMT, WIPHY_PR_ARG, CHAN_PR_ARG, __entry->scan_width, __entry->signal, (unsigned long long)__entry->ts_boottime, (unsigned long long)__entry->parent_tsf, MAC_PR_ARG(parent_bssid)) ); DECLARE_EVENT_CLASS(cfg80211_bss_evt, TP_PROTO(struct cfg80211_bss *pub), TP_ARGS(pub), TP_STRUCT__entry( MAC_ENTRY(bssid) CHAN_ENTRY ), TP_fast_assign( MAC_ASSIGN(bssid, pub->bssid); CHAN_ASSIGN(pub->channel); ), TP_printk(MAC_PR_FMT ", " CHAN_PR_FMT, MAC_PR_ARG(bssid), CHAN_PR_ARG) ); DEFINE_EVENT(cfg80211_bss_evt, cfg80211_return_bss, TP_PROTO(struct cfg80211_bss *pub), TP_ARGS(pub) ); TRACE_EVENT(cfg80211_return_uint, TP_PROTO(unsigned int ret), TP_ARGS(ret), TP_STRUCT__entry( __field(unsigned int, ret) ), TP_fast_assign( __entry->ret = ret; ), TP_printk("ret: %d", __entry->ret) ); TRACE_EVENT(cfg80211_return_u32, TP_PROTO(u32 ret), TP_ARGS(ret), TP_STRUCT__entry( __field(u32, ret) ), TP_fast_assign( __entry->ret = ret; ), TP_printk("ret: %u", __entry->ret) ); TRACE_EVENT(cfg80211_report_wowlan_wakeup, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev, struct cfg80211_wowlan_wakeup *wakeup), TP_ARGS(wiphy, wdev, wakeup), TP_STRUCT__entry( WIPHY_ENTRY WDEV_ENTRY __field(bool, non_wireless) __field(bool, disconnect) __field(bool, magic_pkt) __field(bool, gtk_rekey_failure) __field(bool, eap_identity_req) __field(bool, four_way_handshake) __field(bool, rfkill_release) __field(s32, pattern_idx) __field(u32, packet_len) __dynamic_array(u8, packet, wakeup ? wakeup->packet_present_len : 0) ), TP_fast_assign( WIPHY_ASSIGN; WDEV_ASSIGN; __entry->non_wireless = !wakeup; __entry->disconnect = wakeup ? wakeup->disconnect : false; __entry->magic_pkt = wakeup ? wakeup->magic_pkt : false; __entry->gtk_rekey_failure = wakeup ? wakeup->gtk_rekey_failure : false; __entry->eap_identity_req = wakeup ? wakeup->eap_identity_req : false; __entry->four_way_handshake = wakeup ? wakeup->four_way_handshake : false; __entry->rfkill_release = wakeup ? wakeup->rfkill_release : false; __entry->pattern_idx = wakeup ? wakeup->pattern_idx : false; __entry->packet_len = wakeup ? wakeup->packet_len : false; if (wakeup && wakeup->packet && wakeup->packet_present_len) memcpy(__get_dynamic_array(packet), wakeup->packet, wakeup->packet_present_len); ), TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT, WIPHY_PR_ARG, WDEV_PR_ARG) ); TRACE_EVENT(cfg80211_ft_event, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_ft_event_params *ft_event), TP_ARGS(wiphy, netdev, ft_event), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY __dynamic_array(u8, ies, ft_event->ies_len) MAC_ENTRY(target_ap) __dynamic_array(u8, ric_ies, ft_event->ric_ies_len) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; if (ft_event->ies) memcpy(__get_dynamic_array(ies), ft_event->ies, ft_event->ies_len); MAC_ASSIGN(target_ap, ft_event->target_ap); if (ft_event->ric_ies) memcpy(__get_dynamic_array(ric_ies), ft_event->ric_ies, ft_event->ric_ies_len); ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", target_ap: " MAC_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(target_ap)) ); TRACE_EVENT(cfg80211_stop_iface, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev), TP_ARGS(wiphy, wdev), TP_STRUCT__entry( WIPHY_ENTRY WDEV_ENTRY ), TP_fast_assign( WIPHY_ASSIGN; WDEV_ASSIGN; ), TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT, WIPHY_PR_ARG, WDEV_PR_ARG) ); TRACE_EVENT(cfg80211_pmsr_report, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev, u64 cookie, const u8 *addr), TP_ARGS(wiphy, wdev, cookie, addr), TP_STRUCT__entry( WIPHY_ENTRY WDEV_ENTRY __field(u64, cookie) MAC_ENTRY(addr) ), TP_fast_assign( WIPHY_ASSIGN; WDEV_ASSIGN; __entry->cookie = cookie; MAC_ASSIGN(addr, addr); ), TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", cookie:%lld, " MAC_PR_FMT, WIPHY_PR_ARG, WDEV_PR_ARG, (unsigned long long)__entry->cookie, MAC_PR_ARG(addr)) ); TRACE_EVENT(cfg80211_pmsr_complete, TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev, u64 cookie), TP_ARGS(wiphy, wdev, cookie), TP_STRUCT__entry( WIPHY_ENTRY WDEV_ENTRY __field(u64, cookie) ), TP_fast_assign( WIPHY_ASSIGN; WDEV_ASSIGN; __entry->cookie = cookie; ), TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", cookie:%lld", WIPHY_PR_ARG, WDEV_PR_ARG, (unsigned long long)__entry->cookie) ); TRACE_EVENT(rdev_update_owe_info, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_update_owe_info *owe_info), TP_ARGS(wiphy, netdev, owe_info), TP_STRUCT__entry(WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(peer) __field(u16, status) __dynamic_array(u8, ie, owe_info->ie_len)), TP_fast_assign(WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(peer, owe_info->peer); __entry->status = owe_info->status; memcpy(__get_dynamic_array(ie), owe_info->ie, owe_info->ie_len);), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", peer: " MAC_PR_FMT " status %d", WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer), __entry->status) ); TRACE_EVENT(cfg80211_update_owe_info_event, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_update_owe_info *owe_info), TP_ARGS(wiphy, netdev, owe_info), TP_STRUCT__entry(WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(peer) __dynamic_array(u8, ie, owe_info->ie_len)), TP_fast_assign(WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(peer, owe_info->peer); memcpy(__get_dynamic_array(ie), owe_info->ie, owe_info->ie_len);), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", peer: " MAC_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer)) ); TRACE_EVENT(rdev_probe_mesh_link, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, const u8 *dest, const u8 *buf, size_t len), TP_ARGS(wiphy, netdev, dest, buf, len), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(dest) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(dest, dest); ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", " MAC_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(dest)) ); TRACE_EVENT(rdev_set_tid_config, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, struct cfg80211_tid_config *tid_conf), TP_ARGS(wiphy, netdev, tid_conf), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(peer) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(peer, tid_conf->peer); ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", peer: " MAC_PR_FMT, WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer)) ); TRACE_EVENT(rdev_reset_tid_config, TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, const u8 *peer, u8 tids), TP_ARGS(wiphy, netdev, peer, tids), TP_STRUCT__entry( WIPHY_ENTRY NETDEV_ENTRY MAC_ENTRY(peer) __field(u8, tids) ), TP_fast_assign( WIPHY_ASSIGN; NETDEV_ASSIGN; MAC_ASSIGN(peer, peer); __entry->tids = tids; ), TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", peer: " MAC_PR_FMT ", tids: 0x%x", WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer), __entry->tids) ); #endif /* !__RDEV_OPS_TRACE || TRACE_HEADER_MULTI_READ */ #undef TRACE_INCLUDE_PATH #define TRACE_INCLUDE_PATH . #undef TRACE_INCLUDE_FILE #define TRACE_INCLUDE_FILE trace #include <trace/define_trace.h>
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 /* SPDX-License-Identifier: GPL-2.0 */ #undef TRACE_SYSTEM #define TRACE_SYSTEM fib6 #if !defined(_TRACE_FIB6_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_FIB6_H #include <linux/in6.h> #include <net/flow.h> #include <net/ip6_fib.h> #include <linux/tracepoint.h> TRACE_EVENT(fib6_table_lookup, TP_PROTO(const struct net *net, const struct fib6_result *res, struct fib6_table *table, const struct flowi6 *flp), TP_ARGS(net, res, table, flp), TP_STRUCT__entry( __field( u32, tb_id ) __field( int, err ) __field( int, oif ) __field( int, iif ) __field( __u8, tos ) __field( __u8, scope ) __field( __u8, flags ) __array( __u8, src, 16 ) __array( __u8, dst, 16 ) __field( u16, sport ) __field( u16, dport ) __field( u8, proto ) __field( u8, rt_type ) __dynamic_array( char, name, IFNAMSIZ ) __array( __u8, gw, 16 ) ), TP_fast_assign( struct in6_addr *in6; __entry->tb_id = table->tb6_id; __entry->err = ip6_rt_type_to_error(res->fib6_type); __entry->oif = flp->flowi6_oif; __entry->iif = flp->flowi6_iif; __entry->tos = ip6_tclass(flp->flowlabel); __entry->scope = flp->flowi6_scope; __entry->flags = flp->flowi6_flags; in6 = (struct in6_addr *)__entry->src; *in6 = flp->saddr; in6 = (struct in6_addr *)__entry->dst; *in6 = flp->daddr; __entry->proto = flp->flowi6_proto; if (__entry->proto == IPPROTO_TCP || __entry->proto == IPPROTO_UDP) { __entry->sport = ntohs(flp->fl6_sport); __entry->dport = ntohs(flp->fl6_dport); } else { __entry->sport = 0; __entry->dport = 0; } if (res->nh && res->nh->fib_nh_dev) { __assign_str(name, res->nh->fib_nh_dev); } else { __assign_str(name, "-"); } if (res->f6i == net->ipv6.fib6_null_entry) { struct in6_addr in6_zero = {}; in6 = (struct in6_addr *)__entry->gw; *in6 = in6_zero; } else if (res->nh) { in6 = (struct in6_addr *)__entry->gw; *in6 = res->nh->fib_nh_gw6; } ), TP_printk("table %3u oif %d iif %d proto %u %pI6c/%u -> %pI6c/%u tos %d scope %d flags %x ==> dev %s gw %pI6c err %d", __entry->tb_id, __entry->oif, __entry->iif, __entry->proto, __entry->src, __entry->sport, __entry->dst, __entry->dport, __entry->tos, __entry->scope, __entry->flags, __get_str(name), __entry->gw, __entry->err) ); #endif /* _TRACE_FIB6_H */ /* This part must be outside protection */ #include <trace/define_trace.h>
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SPDX-License-Identifier: GPL-2.0 */ /* * Portions of this file * Copyright(c) 2016 Intel Deutschland GmbH * Copyright (C) 2018 - 2019 Intel Corporation */ #ifndef __MAC80211_DRIVER_OPS #define __MAC80211_DRIVER_OPS #include <net/mac80211.h> #include "ieee80211_i.h" #include "trace.h" #define check_sdata_in_driver(sdata) ({ \ !WARN_ONCE(!(sdata->flags & IEEE80211_SDATA_IN_DRIVER), \ "%s: Failed check-sdata-in-driver check, flags: 0x%x\n", \ sdata->dev ? sdata->dev->name : sdata->name, sdata->flags); \ }) static inline struct ieee80211_sub_if_data * get_bss_sdata(struct ieee80211_sub_if_data *sdata) { if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) sdata = container_of(sdata->bss, struct ieee80211_sub_if_data, u.ap); return sdata; } static inline void drv_tx(struct ieee80211_local *local, struct ieee80211_tx_control *control, struct sk_buff *skb) { local->ops->tx(&local->hw, control, skb); } static inline void drv_sync_rx_queues(struct ieee80211_local *local, struct sta_info *sta) { if (local->ops->sync_rx_queues) { trace_drv_sync_rx_queues(local, sta->sdata, &sta->sta); local->ops->sync_rx_queues(&local->hw); trace_drv_return_void(local); } } static inline void drv_get_et_strings(struct ieee80211_sub_if_data *sdata, u32 sset, u8 *data) { struct ieee80211_local *local = sdata->local; if (local->ops->get_et_strings) { trace_drv_get_et_strings(local, sset); local->ops->get_et_strings(&local->hw, &sdata->vif, sset, data); trace_drv_return_void(local); } } static inline void drv_get_et_stats(struct ieee80211_sub_if_data *sdata, struct ethtool_stats *stats, u64 *data) { struct ieee80211_local *local = sdata->local; if (local->ops->get_et_stats) { trace_drv_get_et_stats(local); local->ops->get_et_stats(&local->hw, &sdata->vif, stats, data); trace_drv_return_void(local); } } static inline int drv_get_et_sset_count(struct ieee80211_sub_if_data *sdata, int sset) { struct ieee80211_local *local = sdata->local; int rv = 0; if (local->ops->get_et_sset_count) { trace_drv_get_et_sset_count(local, sset); rv = local->ops->get_et_sset_count(&local->hw, &sdata->vif, sset); trace_drv_return_int(local, rv); } return rv; } int drv_start(struct ieee80211_local *local); void drv_stop(struct ieee80211_local *local); #ifdef CONFIG_PM static inline int drv_suspend(struct ieee80211_local *local, struct cfg80211_wowlan *wowlan) { int ret; might_sleep(); trace_drv_suspend(local); ret = local->ops->suspend(&local->hw, wowlan); trace_drv_return_int(local, ret); return ret; } static inline int drv_resume(struct ieee80211_local *local) { int ret; might_sleep(); trace_drv_resume(local); ret = local->ops->resume(&local->hw); trace_drv_return_int(local, ret); return ret; } static inline void drv_set_wakeup(struct ieee80211_local *local, bool enabled) { might_sleep(); if (!local->ops->set_wakeup) return; trace_drv_set_wakeup(local, enabled); local->ops->set_wakeup(&local->hw, enabled); trace_drv_return_void(local); } #endif int drv_add_interface(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata); int drv_change_interface(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, enum nl80211_iftype type, bool p2p); void drv_remove_interface(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata); static inline int drv_config(struct ieee80211_local *local, u32 changed) { int ret; might_sleep(); trace_drv_config(local, changed); ret = local->ops->config(&local->hw, changed); trace_drv_return_int(local, ret); return ret; } static inline void drv_bss_info_changed(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_bss_conf *info, u32 changed) { might_sleep(); if (WARN_ON_ONCE(changed & (BSS_CHANGED_BEACON | BSS_CHANGED_BEACON_ENABLED) && sdata->vif.type != NL80211_IFTYPE_AP && sdata->vif.type != NL80211_IFTYPE_ADHOC && sdata->vif.type != NL80211_IFTYPE_MESH_POINT && sdata->vif.type != NL80211_IFTYPE_OCB)) return; if (WARN_ON_ONCE(sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE || sdata->vif.type == NL80211_IFTYPE_NAN || (sdata->vif.type == NL80211_IFTYPE_MONITOR && !sdata->vif.mu_mimo_owner && !(changed & BSS_CHANGED_TXPOWER)))) return; if (!check_sdata_in_driver(sdata)) return; trace_drv_bss_info_changed(local, sdata, info, changed); if (local->ops->bss_info_changed) local->ops->bss_info_changed(&local->hw, &sdata->vif, info, changed); trace_drv_return_void(local); } static inline u64 drv_prepare_multicast(struct ieee80211_local *local, struct netdev_hw_addr_list *mc_list) { u64 ret = 0; trace_drv_prepare_multicast(local, mc_list->count); if (local->ops->prepare_multicast) ret = local->ops->prepare_multicast(&local->hw, mc_list); trace_drv_return_u64(local, ret); return ret; } static inline void drv_configure_filter(struct ieee80211_local *local, unsigned int changed_flags, unsigned int *total_flags, u64 multicast) { might_sleep(); trace_drv_configure_filter(local, changed_flags, total_flags, multicast); local->ops->configure_filter(&local->hw, changed_flags, total_flags, multicast); trace_drv_return_void(local); } static inline void drv_config_iface_filter(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, unsigned int filter_flags, unsigned int changed_flags) { might_sleep(); trace_drv_config_iface_filter(local, sdata, filter_flags, changed_flags); if (local->ops->config_iface_filter) local->ops->config_iface_filter(&local->hw, &sdata->vif, filter_flags, changed_flags); trace_drv_return_void(local); } static inline int drv_set_tim(struct ieee80211_local *local, struct ieee80211_sta *sta, bool set) { int ret = 0; trace_drv_set_tim(local, sta, set); if (local->ops->set_tim) ret = local->ops->set_tim(&local->hw, sta, set); trace_drv_return_int(local, ret); return ret; } static inline int drv_set_key(struct ieee80211_local *local, enum set_key_cmd cmd, struct ieee80211_sub_if_data *sdata, struct ieee80211_sta *sta, struct ieee80211_key_conf *key) { int ret; might_sleep(); sdata = get_bss_sdata(sdata); if (!check_sdata_in_driver(sdata)) return -EIO; trace_drv_set_key(local, cmd, sdata, sta, key); ret = local->ops->set_key(&local->hw, cmd, &sdata->vif, sta, key); trace_drv_return_int(local, ret); return ret; } static inline void drv_update_tkip_key(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_key_conf *conf, struct sta_info *sta, u32 iv32, u16 *phase1key) { struct ieee80211_sta *ista = NULL; if (sta) ista = &sta->sta; sdata = get_bss_sdata(sdata); if (!check_sdata_in_driver(sdata)) return; trace_drv_update_tkip_key(local, sdata, conf, ista, iv32); if (local->ops->update_tkip_key) local->ops->update_tkip_key(&local->hw, &sdata->vif, conf, ista, iv32, phase1key); trace_drv_return_void(local); } static inline int drv_hw_scan(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_scan_request *req) { int ret; might_sleep(); if (!check_sdata_in_driver(sdata)) return -EIO; trace_drv_hw_scan(local, sdata); ret = local->ops->hw_scan(&local->hw, &sdata->vif, req); trace_drv_return_int(local, ret); return ret; } static inline void drv_cancel_hw_scan(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata) { might_sleep(); if (!check_sdata_in_driver(sdata)) return; trace_drv_cancel_hw_scan(local, sdata); local->ops->cancel_hw_scan(&local->hw, &sdata->vif); trace_drv_return_void(local); } static inline int drv_sched_scan_start(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct cfg80211_sched_scan_request *req, struct ieee80211_scan_ies *ies) { int ret; might_sleep(); if (!check_sdata_in_driver(sdata)) return -EIO; trace_drv_sched_scan_start(local, sdata); ret = local->ops->sched_scan_start(&local->hw, &sdata->vif, req, ies); trace_drv_return_int(local, ret); return ret; } static inline int drv_sched_scan_stop(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata) { int ret; might_sleep(); if (!check_sdata_in_driver(sdata)) return -EIO; trace_drv_sched_scan_stop(local, sdata); ret = local->ops->sched_scan_stop(&local->hw, &sdata->vif); trace_drv_return_int(local, ret); return ret; } static inline void drv_sw_scan_start(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, const u8 *mac_addr) { might_sleep(); trace_drv_sw_scan_start(local, sdata, mac_addr); if (local->ops->sw_scan_start) local->ops->sw_scan_start(&local->hw, &sdata->vif, mac_addr); trace_drv_return_void(local); } static inline void drv_sw_scan_complete(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata) { might_sleep(); trace_drv_sw_scan_complete(local, sdata); if (local->ops->sw_scan_complete) local->ops->sw_scan_complete(&local->hw, &sdata->vif); trace_drv_return_void(local); } static inline int drv_get_stats(struct ieee80211_local *local, struct ieee80211_low_level_stats *stats) { int ret = -EOPNOTSUPP; might_sleep(); if (local->ops->get_stats) ret = local->ops->get_stats(&local->hw, stats); trace_drv_get_stats(local, stats, ret); return ret; } static inline void drv_get_key_seq(struct ieee80211_local *local, struct ieee80211_key *key, struct ieee80211_key_seq *seq) { if (local->ops->get_key_seq) local->ops->get_key_seq(&local->hw, &key->conf, seq); trace_drv_get_key_seq(local, &key->conf); } static inline int drv_set_frag_threshold(struct ieee80211_local *local, u32 value) { int ret = 0; might_sleep(); trace_drv_set_frag_threshold(local, value); if (local->ops->set_frag_threshold) ret = local->ops->set_frag_threshold(&local->hw, value); trace_drv_return_int(local, ret); return ret; } static inline int drv_set_rts_threshold(struct ieee80211_local *local, u32 value) { int ret = 0; might_sleep(); trace_drv_set_rts_threshold(local, value); if (local->ops->set_rts_threshold) ret = local->ops->set_rts_threshold(&local->hw, value); trace_drv_return_int(local, ret); return ret; } static inline int drv_set_coverage_class(struct ieee80211_local *local, s16 value) { int ret = 0; might_sleep(); trace_drv_set_coverage_class(local, value); if (local->ops->set_coverage_class) local->ops->set_coverage_class(&local->hw, value); else ret = -EOPNOTSUPP; trace_drv_return_int(local, ret); return ret; } static inline void drv_sta_notify(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, enum sta_notify_cmd cmd, struct ieee80211_sta *sta) { sdata = get_bss_sdata(sdata); if (!check_sdata_in_driver(sdata)) return; trace_drv_sta_notify(local, sdata, cmd, sta); if (local->ops->sta_notify) local->ops->sta_notify(&local->hw, &sdata->vif, cmd, sta); trace_drv_return_void(local); } static inline int drv_sta_add(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_sta *sta) { int ret = 0; might_sleep(); sdata = get_bss_sdata(sdata); if (!check_sdata_in_driver(sdata)) return -EIO; trace_drv_sta_add(local, sdata, sta); if (local->ops->sta_add) ret = local->ops->sta_add(&local->hw, &sdata->vif, sta); trace_drv_return_int(local, ret); return ret; } static inline void drv_sta_remove(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_sta *sta) { might_sleep(); sdata = get_bss_sdata(sdata); if (!check_sdata_in_driver(sdata)) return; trace_drv_sta_remove(local, sdata, sta); if (local->ops->sta_remove) local->ops->sta_remove(&local->hw, &sdata->vif, sta); trace_drv_return_void(local); } #ifdef CONFIG_MAC80211_DEBUGFS static inline void drv_sta_add_debugfs(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_sta *sta, struct dentry *dir) { might_sleep(); sdata = get_bss_sdata(sdata); if (!check_sdata_in_driver(sdata)) return; if (local->ops->sta_add_debugfs) local->ops->sta_add_debugfs(&local->hw, &sdata->vif, sta, dir); } #endif static inline void drv_sta_pre_rcu_remove(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct sta_info *sta) { might_sleep(); sdata = get_bss_sdata(sdata); if (!check_sdata_in_driver(sdata)) return; trace_drv_sta_pre_rcu_remove(local, sdata, &sta->sta); if (local->ops->sta_pre_rcu_remove) local->ops->sta_pre_rcu_remove(&local->hw, &sdata->vif, &sta->sta); trace_drv_return_void(local); } __must_check int drv_sta_state(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct sta_info *sta, enum ieee80211_sta_state old_state, enum ieee80211_sta_state new_state); __must_check int drv_sta_set_txpwr(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct sta_info *sta); void drv_sta_rc_update(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_sta *sta, u32 changed); static inline void drv_sta_rate_tbl_update(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_sta *sta) { sdata = get_bss_sdata(sdata); if (!check_sdata_in_driver(sdata)) return; trace_drv_sta_rate_tbl_update(local, sdata, sta); if (local->ops->sta_rate_tbl_update) local->ops->sta_rate_tbl_update(&local->hw, &sdata->vif, sta); trace_drv_return_void(local); } static inline void drv_sta_statistics(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_sta *sta, struct station_info *sinfo) { sdata = get_bss_sdata(sdata); if (!check_sdata_in_driver(sdata)) return; trace_drv_sta_statistics(local, sdata, sta); if (local->ops->sta_statistics) local->ops->sta_statistics(&local->hw, &sdata->vif, sta, sinfo); trace_drv_return_void(local); } int drv_conf_tx(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, u16 ac, const struct ieee80211_tx_queue_params *params); u64 drv_get_tsf(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata); void drv_set_tsf(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, u64 tsf); void drv_offset_tsf(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, s64 offset); void drv_reset_tsf(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata); static inline int drv_tx_last_beacon(struct ieee80211_local *local) { int ret = 0; /* default unsupported op for less congestion */ might_sleep(); trace_drv_tx_last_beacon(local); if (local->ops->tx_last_beacon) ret = local->ops->tx_last_beacon(&local->hw); trace_drv_return_int(local, ret); return ret; } int drv_ampdu_action(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_ampdu_params *params); static inline int drv_get_survey(struct ieee80211_local *local, int idx, struct survey_info *survey) { int ret = -EOPNOTSUPP; trace_drv_get_survey(local, idx, survey); if (local->ops->get_survey) ret = local->ops->get_survey(&local->hw, idx, survey); trace_drv_return_int(local, ret); return ret; } static inline void drv_rfkill_poll(struct ieee80211_local *local) { might_sleep(); if (local->ops->rfkill_poll) local->ops->rfkill_poll(&local->hw); } static inline void drv_flush(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, u32 queues, bool drop) { struct ieee80211_vif *vif = sdata ? &sdata->vif : NULL; might_sleep(); if (sdata && !check_sdata_in_driver(sdata)) return; trace_drv_flush(local, queues, drop); if (local->ops->flush) local->ops->flush(&local->hw, vif, queues, drop); trace_drv_return_void(local); } static inline void drv_channel_switch(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_channel_switch *ch_switch) { might_sleep(); trace_drv_channel_switch(local, sdata, ch_switch); local->ops->channel_switch(&local->hw, &sdata->vif, ch_switch); trace_drv_return_void(local); } static inline int drv_set_antenna(struct ieee80211_local *local, u32 tx_ant, u32 rx_ant) { int ret = -EOPNOTSUPP; might_sleep(); if (local->ops->set_antenna) ret = local->ops->set_antenna(&local->hw, tx_ant, rx_ant); trace_drv_set_antenna(local, tx_ant, rx_ant, ret); return ret; } static inline int drv_get_antenna(struct ieee80211_local *local, u32 *tx_ant, u32 *rx_ant) { int ret = -EOPNOTSUPP; might_sleep(); if (local->ops->get_antenna) ret = local->ops->get_antenna(&local->hw, tx_ant, rx_ant); trace_drv_get_antenna(local, *tx_ant, *rx_ant, ret); return ret; } static inline int drv_remain_on_channel(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_channel *chan, unsigned int duration, enum ieee80211_roc_type type) { int ret; might_sleep(); trace_drv_remain_on_channel(local, sdata, chan, duration, type); ret = local->ops->remain_on_channel(&local->hw, &sdata->vif, chan, duration, type); trace_drv_return_int(local, ret); return ret; } static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata) { int ret; might_sleep(); trace_drv_cancel_remain_on_channel(local, sdata); ret = local->ops->cancel_remain_on_channel(&local->hw, &sdata->vif); trace_drv_return_int(local, ret); return ret; } static inline int drv_set_ringparam(struct ieee80211_local *local, u32 tx, u32 rx) { int ret = -ENOTSUPP; might_sleep(); trace_drv_set_ringparam(local, tx, rx); if (local->ops->set_ringparam) ret = local->ops->set_ringparam(&local->hw, tx, rx); trace_drv_return_int(local, ret); return ret; } static inline void drv_get_ringparam(struct ieee80211_local *local, u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max) { might_sleep(); trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max); if (local->ops->get_ringparam) local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max); trace_drv_return_void(local); } static inline bool drv_tx_frames_pending(struct ieee80211_local *local) { bool ret = false; might_sleep(); trace_drv_tx_frames_pending(local); if (local->ops->tx_frames_pending) ret = local->ops->tx_frames_pending(&local->hw); trace_drv_return_bool(local, ret); return ret; } static inline int drv_set_bitrate_mask(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, const struct cfg80211_bitrate_mask *mask) { int ret = -EOPNOTSUPP; might_sleep(); if (!check_sdata_in_driver(sdata)) return -EIO; trace_drv_set_bitrate_mask(local, sdata, mask); if (local->ops->set_bitrate_mask) ret = local->ops->set_bitrate_mask(&local->hw, &sdata->vif, mask); trace_drv_return_int(local, ret); return ret; } static inline void drv_set_rekey_data(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct cfg80211_gtk_rekey_data *data) { if (!check_sdata_in_driver(sdata)) return; trace_drv_set_rekey_data(local, sdata, data); if (local->ops->set_rekey_data) local->ops->set_rekey_data(&local->hw, &sdata->vif, data); trace_drv_return_void(local); } static inline void drv_event_callback(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, const struct ieee80211_event *event) { trace_drv_event_callback(local, sdata, event); if (local->ops->event_callback) local->ops->event_callback(&local->hw, &sdata->vif, event); trace_drv_return_void(local); } static inline void drv_release_buffered_frames(struct ieee80211_local *local, struct sta_info *sta, u16 tids, int num_frames, enum ieee80211_frame_release_type reason, bool more_data) { trace_drv_release_buffered_frames(local, &sta->sta, tids, num_frames, reason, more_data); if (local->ops->release_buffered_frames) local->ops->release_buffered_frames(&local->hw, &sta->sta, tids, num_frames, reason, more_data); trace_drv_return_void(local); } static inline void drv_allow_buffered_frames(struct ieee80211_local *local, struct sta_info *sta, u16 tids, int num_frames, enum ieee80211_frame_release_type reason, bool more_data) { trace_drv_allow_buffered_frames(local, &sta->sta, tids, num_frames, reason, more_data); if (local->ops->allow_buffered_frames) local->ops->allow_buffered_frames(&local->hw, &sta->sta, tids, num_frames, reason, more_data); trace_drv_return_void(local); } static inline void drv_mgd_prepare_tx(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, u16 duration) { might_sleep(); if (!check_sdata_in_driver(sdata)) return; WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION); trace_drv_mgd_prepare_tx(local, sdata, duration); if (local->ops->mgd_prepare_tx) local->ops->mgd_prepare_tx(&local->hw, &sdata->vif, duration); trace_drv_return_void(local); } static inline void drv_mgd_protect_tdls_discover(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata) { might_sleep(); if (!check_sdata_in_driver(sdata)) return; WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION); trace_drv_mgd_protect_tdls_discover(local, sdata); if (local->ops->mgd_protect_tdls_discover) local->ops->mgd_protect_tdls_discover(&local->hw, &sdata->vif); trace_drv_return_void(local); } static inline int drv_add_chanctx(struct ieee80211_local *local, struct ieee80211_chanctx *ctx) { int ret = -EOPNOTSUPP; might_sleep(); trace_drv_add_chanctx(local, ctx); if (local->ops->add_chanctx) ret = local->ops->add_chanctx(&local->hw, &ctx->conf); trace_drv_return_int(local, ret); if (!ret) ctx->driver_present = true; return ret; } static inline void drv_remove_chanctx(struct ieee80211_local *local, struct ieee80211_chanctx *ctx) { might_sleep(); if (WARN_ON(!ctx->driver_present)) return; trace_drv_remove_chanctx(local, ctx); if (local->ops->remove_chanctx) local->ops->remove_chanctx(&local->hw, &ctx->conf); trace_drv_return_void(local); ctx->driver_present = false; } static inline void drv_change_chanctx(struct ieee80211_local *local, struct ieee80211_chanctx *ctx, u32 changed) { might_sleep(); trace_drv_change_chanctx(local, ctx, changed); if (local->ops->change_chanctx) { WARN_ON_ONCE(!ctx->driver_present); local->ops->change_chanctx(&local->hw, &ctx->conf, changed); } trace_drv_return_void(local); } static inline int drv_assign_vif_chanctx(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_chanctx *ctx) { int ret = 0; if (!check_sdata_in_driver(sdata)) return -EIO; trace_drv_assign_vif_chanctx(local, sdata, ctx); if (local->ops->assign_vif_chanctx) { WARN_ON_ONCE(!ctx->driver_present); ret = local->ops->assign_vif_chanctx(&local->hw, &sdata->vif, &ctx->conf); } trace_drv_return_int(local, ret); return ret; } static inline void drv_unassign_vif_chanctx(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_chanctx *ctx) { might_sleep(); if (!check_sdata_in_driver(sdata)) return; trace_drv_unassign_vif_chanctx(local, sdata, ctx); if (local->ops->unassign_vif_chanctx) { WARN_ON_ONCE(!ctx->driver_present); local->ops->unassign_vif_chanctx(&local->hw, &sdata->vif, &ctx->conf); } trace_drv_return_void(local); } int drv_switch_vif_chanctx(struct ieee80211_local *local, struct ieee80211_vif_chanctx_switch *vifs, int n_vifs, enum ieee80211_chanctx_switch_mode mode); static inline int drv_start_ap(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata) { int ret = 0; might_sleep(); if (!check_sdata_in_driver(sdata)) return -EIO; trace_drv_start_ap(local, sdata, &sdata->vif.bss_conf); if (local->ops->start_ap) ret = local->ops->start_ap(&local->hw, &sdata->vif); trace_drv_return_int(local, ret); return ret; } static inline void drv_stop_ap(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata) { if (!check_sdata_in_driver(sdata)) return; trace_drv_stop_ap(local, sdata); if (local->ops->stop_ap) local->ops->stop_ap(&local->hw, &sdata->vif); trace_drv_return_void(local); } static inline void drv_reconfig_complete(struct ieee80211_local *local, enum ieee80211_reconfig_type reconfig_type) { might_sleep(); trace_drv_reconfig_complete(local, reconfig_type); if (local->ops->reconfig_complete) local->ops->reconfig_complete(&local->hw, reconfig_type); trace_drv_return_void(local); } static inline void drv_set_default_unicast_key(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, int key_idx) { if (!check_sdata_in_driver(sdata)) return; WARN_ON_ONCE(key_idx < -1 || key_idx > 3); trace_drv_set_default_unicast_key(local, sdata, key_idx); if (local->ops->set_default_unicast_key) local->ops->set_default_unicast_key(&local->hw, &sdata->vif, key_idx); trace_drv_return_void(local); } #if IS_ENABLED(CONFIG_IPV6) static inline void drv_ipv6_addr_change(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct inet6_dev *idev) { trace_drv_ipv6_addr_change(local, sdata); if (local->ops->ipv6_addr_change) local->ops->ipv6_addr_change(&local->hw, &sdata->vif, idev); trace_drv_return_void(local); } #endif static inline void drv_channel_switch_beacon(struct ieee80211_sub_if_data *sdata, struct cfg80211_chan_def *chandef) { struct ieee80211_local *local = sdata->local; if (local->ops->channel_switch_beacon) { trace_drv_channel_switch_beacon(local, sdata, chandef); local->ops->channel_switch_beacon(&local->hw, &sdata->vif, chandef); } } static inline int drv_pre_channel_switch(struct ieee80211_sub_if_data *sdata, struct ieee80211_channel_switch *ch_switch) { struct ieee80211_local *local = sdata->local; int ret = 0; if (!check_sdata_in_driver(sdata)) return -EIO; trace_drv_pre_channel_switch(local, sdata, ch_switch); if (local->ops->pre_channel_switch) ret = local->ops->pre_channel_switch(&local->hw, &sdata->vif, ch_switch); trace_drv_return_int(local, ret); return ret; } static inline int drv_post_channel_switch(struct ieee80211_sub_if_data *sdata) { struct ieee80211_local *local = sdata->local; int ret = 0; if (!check_sdata_in_driver(sdata)) return -EIO; trace_drv_post_channel_switch(local, sdata); if (local->ops->post_channel_switch) ret = local->ops->post_channel_switch(&local->hw, &sdata->vif); trace_drv_return_int(local, ret); return ret; } static inline void drv_abort_channel_switch(struct ieee80211_sub_if_data *sdata) { struct ieee80211_local *local = sdata->local; if (!check_sdata_in_driver(sdata)) return; trace_drv_abort_channel_switch(local, sdata); if (local->ops->abort_channel_switch) local->ops->abort_channel_switch(&local->hw, &sdata->vif); } static inline void drv_channel_switch_rx_beacon(struct ieee80211_sub_if_data *sdata, struct ieee80211_channel_switch *ch_switch) { struct ieee80211_local *local = sdata->local; if (!check_sdata_in_driver(sdata)) return; trace_drv_channel_switch_rx_beacon(local, sdata, ch_switch); if (local->ops->channel_switch_rx_beacon) local->ops->channel_switch_rx_beacon(&local->hw, &sdata->vif, ch_switch); } static inline int drv_join_ibss(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata) { int ret = 0; might_sleep(); if (!check_sdata_in_driver(sdata)) return -EIO; trace_drv_join_ibss(local, sdata, &sdata->vif.bss_conf); if (local->ops->join_ibss) ret = local->ops->join_ibss(&local->hw, &sdata->vif); trace_drv_return_int(local, ret); return ret; } static inline void drv_leave_ibss(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata) { might_sleep(); if (!check_sdata_in_driver(sdata)) return; trace_drv_leave_ibss(local, sdata); if (local->ops->leave_ibss) local->ops->leave_ibss(&local->hw, &sdata->vif); trace_drv_return_void(local); } static inline u32 drv_get_expected_throughput(struct ieee80211_local *local, struct sta_info *sta) { u32 ret = 0; trace_drv_get_expected_throughput(&sta->sta); if (local->ops->get_expected_throughput && sta->uploaded) ret = local->ops->get_expected_throughput(&local->hw, &sta->sta); trace_drv_return_u32(local, ret); return ret; } static inline int drv_get_txpower(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, int *dbm) { int ret; if (!local->ops->get_txpower) return -EOPNOTSUPP; ret = local->ops->get_txpower(&local->hw, &sdata->vif, dbm); trace_drv_get_txpower(local, sdata, *dbm, ret); return ret; } static inline int drv_tdls_channel_switch(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_sta *sta, u8 oper_class, struct cfg80211_chan_def *chandef, struct sk_buff *tmpl_skb, u32 ch_sw_tm_ie) { int ret; might_sleep(); if (!check_sdata_in_driver(sdata)) return -EIO; if (!local->ops->tdls_channel_switch) return -EOPNOTSUPP; trace_drv_tdls_channel_switch(local, sdata, sta, oper_class, chandef); ret = local->ops->tdls_channel_switch(&local->hw, &sdata->vif, sta, oper_class, chandef, tmpl_skb, ch_sw_tm_ie); trace_drv_return_int(local, ret); return ret; } static inline void drv_tdls_cancel_channel_switch(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_sta *sta) { might_sleep(); if (!check_sdata_in_driver(sdata)) return; if (!local->ops->tdls_cancel_channel_switch) return; trace_drv_tdls_cancel_channel_switch(local, sdata, sta); local->ops->tdls_cancel_channel_switch(&local->hw, &sdata->vif, sta); trace_drv_return_void(local); } static inline void drv_tdls_recv_channel_switch(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_tdls_ch_sw_params *params) { trace_drv_tdls_recv_channel_switch(local, sdata, params); if (local->ops->tdls_recv_channel_switch) local->ops->tdls_recv_channel_switch(&local->hw, &sdata->vif, params); trace_drv_return_void(local); } static inline void drv_wake_tx_queue(struct ieee80211_local *local, struct txq_info *txq) { struct ieee80211_sub_if_data *sdata = vif_to_sdata(txq->txq.vif); /* In reconfig don't transmit now, but mark for waking later */ if (local->in_reconfig) { set_bit(IEEE80211_TXQ_STOP_NETIF_TX, &txq->flags); return; } if (!check_sdata_in_driver(sdata)) return; trace_drv_wake_tx_queue(local, sdata, txq); local->ops->wake_tx_queue(&local->hw, &txq->txq); } static inline void schedule_and_wake_txq(struct ieee80211_local *local, struct txq_info *txqi) { ieee80211_schedule_txq(&local->hw, &txqi->txq); drv_wake_tx_queue(local, txqi); } static inline int drv_can_aggregate_in_amsdu(struct ieee80211_local *local, struct sk_buff *head, struct sk_buff *skb) { if (!local->ops->can_aggregate_in_amsdu) return true; return local->ops->can_aggregate_in_amsdu(&local->hw, head, skb); } static inline int drv_get_ftm_responder_stats(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct cfg80211_ftm_responder_stats *ftm_stats) { u32 ret = -EOPNOTSUPP; if (local->ops->get_ftm_responder_stats) ret = local->ops->get_ftm_responder_stats(&local->hw, &sdata->vif, ftm_stats); trace_drv_get_ftm_responder_stats(local, sdata, ftm_stats); return ret; } static inline int drv_start_pmsr(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct cfg80211_pmsr_request *request) { int ret = -EOPNOTSUPP; might_sleep(); if (!check_sdata_in_driver(sdata)) return -EIO; trace_drv_start_pmsr(local, sdata); if (local->ops->start_pmsr) ret = local->ops->start_pmsr(&local->hw, &sdata->vif, request); trace_drv_return_int(local, ret); return ret; } static inline void drv_abort_pmsr(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct cfg80211_pmsr_request *request) { trace_drv_abort_pmsr(local, sdata); might_sleep(); if (!check_sdata_in_driver(sdata)) return; if (local->ops->abort_pmsr) local->ops->abort_pmsr(&local->hw, &sdata->vif, request); trace_drv_return_void(local); } static inline int drv_start_nan(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct cfg80211_nan_conf *conf) { int ret; might_sleep(); check_sdata_in_driver(sdata); trace_drv_start_nan(local, sdata, conf); ret = local->ops->start_nan(&local->hw, &sdata->vif, conf); trace_drv_return_int(local, ret); return ret; } static inline void drv_stop_nan(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata) { might_sleep(); check_sdata_in_driver(sdata); trace_drv_stop_nan(local, sdata); local->ops->stop_nan(&local->hw, &sdata->vif); trace_drv_return_void(local); } static inline int drv_nan_change_conf(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct cfg80211_nan_conf *conf, u32 changes) { int ret; might_sleep(); check_sdata_in_driver(sdata); if (!local->ops->nan_change_conf) return -EOPNOTSUPP; trace_drv_nan_change_conf(local, sdata, conf, changes); ret = local->ops->nan_change_conf(&local->hw, &sdata->vif, conf, changes); trace_drv_return_int(local, ret); return ret; } static inline int drv_add_nan_func(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, const struct cfg80211_nan_func *nan_func) { int ret; might_sleep(); check_sdata_in_driver(sdata); if (!local->ops->add_nan_func) return -EOPNOTSUPP; trace_drv_add_nan_func(local, sdata, nan_func); ret = local->ops->add_nan_func(&local->hw, &sdata->vif, nan_func); trace_drv_return_int(local, ret); return ret; } static inline void drv_del_nan_func(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, u8 instance_id) { might_sleep(); check_sdata_in_driver(sdata); trace_drv_del_nan_func(local, sdata, instance_id); if (local->ops->del_nan_func) local->ops->del_nan_func(&local->hw, &sdata->vif, instance_id); trace_drv_return_void(local); } static inline int drv_set_tid_config(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_sta *sta, struct cfg80211_tid_config *tid_conf) { int ret; might_sleep(); ret = local->ops->set_tid_config(&local->hw, &sdata->vif, sta, tid_conf); trace_drv_return_int(local, ret); return ret; } static inline int drv_reset_tid_config(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_sta *sta, u8 tids) { int ret; might_sleep(); ret = local->ops->reset_tid_config(&local->hw, &sdata->vif, sta, tids); trace_drv_return_int(local, ret); return ret; } static inline void drv_update_vif_offload(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata) { might_sleep(); check_sdata_in_driver(sdata); if (!local->ops->update_vif_offload) return; trace_drv_update_vif_offload(local, sdata); local->ops->update_vif_offload(&local->hw, &sdata->vif); trace_drv_return_void(local); } static inline void drv_sta_set_4addr(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, struct ieee80211_sta *sta, bool enabled) { sdata = get_bss_sdata(sdata); if (!check_sdata_in_driver(sdata)) return; trace_drv_sta_set_4addr(local, sdata, sta, enabled); if (local->ops->sta_set_4addr) local->ops->sta_set_4addr(&local->hw, &sdata->vif, sta, enabled); trace_drv_return_void(local); } #endif /* __MAC80211_DRIVER_OPS */
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 /* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2007, 2008, 2009 Siemens AG * * Written by: * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> */ #ifndef __NET_CFG802154_H #define __NET_CFG802154_H #include <linux/ieee802154.h> #include <linux/netdevice.h> #include <linux/mutex.h> #include <linux/bug.h> #include <net/nl802154.h> struct wpan_phy; struct wpan_phy_cca; #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL struct ieee802154_llsec_device_key; struct ieee802154_llsec_seclevel; struct ieee802154_llsec_params; struct ieee802154_llsec_device; struct ieee802154_llsec_table; struct ieee802154_llsec_key_id; struct ieee802154_llsec_key; #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */ struct cfg802154_ops { struct net_device * (*add_virtual_intf_deprecated)(struct wpan_phy *wpan_phy, const char *name, unsigned char name_assign_type, int type); void (*del_virtual_intf_deprecated)(struct wpan_phy *wpan_phy, struct net_device *dev); int (*suspend)(struct wpan_phy *wpan_phy); int (*resume)(struct wpan_phy *wpan_phy); int (*add_virtual_intf)(struct wpan_phy *wpan_phy, const char *name, unsigned char name_assign_type, enum nl802154_iftype type, __le64 extended_addr); int (*del_virtual_intf)(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev); int (*set_channel)(struct wpan_phy *wpan_phy, u8 page, u8 channel); int (*set_cca_mode)(struct wpan_phy *wpan_phy, const struct wpan_phy_cca *cca); int (*set_cca_ed_level)(struct wpan_phy *wpan_phy, s32 ed_level); int (*set_tx_power)(struct wpan_phy *wpan_phy, s32 power); int (*set_pan_id)(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, __le16 pan_id); int (*set_short_addr)(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, __le16 short_addr); int (*set_backoff_exponent)(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, u8 min_be, u8 max_be); int (*set_max_csma_backoffs)(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, u8 max_csma_backoffs); int (*set_max_frame_retries)(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, s8 max_frame_retries); int (*set_lbt_mode)(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, bool mode); int (*set_ackreq_default)(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, bool ackreq); #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL void (*get_llsec_table)(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, struct ieee802154_llsec_table **table); void (*lock_llsec_table)(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev); void (*unlock_llsec_table)(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev); /* TODO remove locking/get table callbacks, this is part of the * nl802154 interface and should be accessible from ieee802154 layer. */ int (*get_llsec_params)(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, struct ieee802154_llsec_params *params); int (*set_llsec_params)(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, const struct ieee802154_llsec_params *params, int changed); int (*add_llsec_key)(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, const struct ieee802154_llsec_key_id *id, const struct ieee802154_llsec_key *key); int (*del_llsec_key)(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, const struct ieee802154_llsec_key_id *id); int (*add_seclevel)(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, const struct ieee802154_llsec_seclevel *sl); int (*del_seclevel)(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, const struct ieee802154_llsec_seclevel *sl); int (*add_device)(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, const struct ieee802154_llsec_device *dev); int (*del_device)(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, __le64 extended_addr); int (*add_devkey)(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, __le64 extended_addr, const struct ieee802154_llsec_device_key *key); int (*del_devkey)(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, __le64 extended_addr, const struct ieee802154_llsec_device_key *key); #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */ }; static inline bool wpan_phy_supported_bool(bool b, enum nl802154_supported_bool_states st) { switch (st) { case NL802154_SUPPORTED_BOOL_TRUE: return b; case NL802154_SUPPORTED_BOOL_FALSE: return !b; case NL802154_SUPPORTED_BOOL_BOTH: return true; default: WARN_ON(1); } return false; } struct wpan_phy_supported { u32 channels[IEEE802154_MAX_PAGE + 1], cca_modes, cca_opts, iftypes; enum nl802154_supported_bool_states lbt; u8 min_minbe, max_minbe, min_maxbe, max_maxbe, min_csma_backoffs, max_csma_backoffs; s8 min_frame_retries, max_frame_retries; size_t tx_powers_size, cca_ed_levels_size; const s32 *tx_powers, *cca_ed_levels; }; struct wpan_phy_cca { enum nl802154_cca_modes mode; enum nl802154_cca_opts opt; }; static inline bool wpan_phy_cca_cmp(const struct wpan_phy_cca *a, const struct wpan_phy_cca *b) { if (a->mode != b->mode) return false; if (a->mode == NL802154_CCA_ENERGY_CARRIER) return a->opt == b->opt; return true; } /** * @WPAN_PHY_FLAG_TRANSMIT_POWER: Indicates that transceiver will support * transmit power setting. * @WPAN_PHY_FLAG_CCA_ED_LEVEL: Indicates that transceiver will support cca ed * level setting. * @WPAN_PHY_FLAG_CCA_MODE: Indicates that transceiver will support cca mode * setting. */ enum wpan_phy_flags { WPAN_PHY_FLAG_TXPOWER = BIT(1), WPAN_PHY_FLAG_CCA_ED_LEVEL = BIT(2), WPAN_PHY_FLAG_CCA_MODE = BIT(3), }; struct wpan_phy { /* If multiple wpan_phys are registered and you're handed e.g. * a regular netdev with assigned ieee802154_ptr, you won't * know whether it points to a wpan_phy your driver has registered * or not. Assign this to something global to your driver to * help determine whether you own this wpan_phy or not. */ const void *privid; u32 flags; /* * This is a PIB according to 802.15.4-2011. * We do not provide timing-related variables, as they * aren't used outside of driver */ u8 current_channel; u8 current_page; struct wpan_phy_supported supported; /* current transmit_power in mBm */ s32 transmit_power; struct wpan_phy_cca cca; __le64 perm_extended_addr; /* current cca ed threshold in mBm */ s32 cca_ed_level; /* PHY depended MAC PIB values */ /* 802.15.4 acronym: Tdsym in usec */ u8 symbol_duration; /* lifs and sifs periods timing */ u16 lifs_period; u16 sifs_period; struct device dev; /* the network namespace this phy lives in currently */ possible_net_t _net; char priv[] __aligned(NETDEV_ALIGN); }; static inline struct net *wpan_phy_net(struct wpan_phy *wpan_phy) { return read_pnet(&wpan_phy->_net); } static inline void wpan_phy_net_set(struct wpan_phy *wpan_phy, struct net *net) { write_pnet(&wpan_phy->_net, net); } struct ieee802154_addr { u8 mode; __le16 pan_id; union { __le16 short_addr; __le64 extended_addr; }; }; struct ieee802154_llsec_key_id { u8 mode; u8 id; union { struct ieee802154_addr device_addr; __le32 short_source; __le64 extended_source; }; }; #define IEEE802154_LLSEC_KEY_SIZE 16 struct ieee802154_llsec_key { u8 frame_types; u32 cmd_frame_ids; /* TODO replace with NL802154_KEY_SIZE */ u8 key[IEEE802154_LLSEC_KEY_SIZE]; }; struct ieee802154_llsec_key_entry { struct list_head list; struct ieee802154_llsec_key_id id; struct ieee802154_llsec_key *key; }; struct ieee802154_llsec_params { bool enabled; __be32 frame_counter; u8 out_level; struct ieee802154_llsec_key_id out_key; __le64 default_key_source; __le16 pan_id; __le64 hwaddr; __le64 coord_hwaddr; __le16 coord_shortaddr; }; struct ieee802154_llsec_table { struct list_head keys; struct list_head devices; struct list_head security_levels; }; struct ieee802154_llsec_seclevel { struct list_head list; u8 frame_type; u8 cmd_frame_id; bool device_override; u32 sec_levels; }; struct ieee802154_llsec_device { struct list_head list; __le16 pan_id; __le16 short_addr; __le64 hwaddr; u32 frame_counter; bool seclevel_exempt; u8 key_mode; struct list_head keys; }; struct ieee802154_llsec_device_key { struct list_head list; struct ieee802154_llsec_key_id key_id; u32 frame_counter; }; struct wpan_dev_header_ops { /* TODO create callback currently assumes ieee802154_mac_cb inside * skb->cb. This should be changed to give these information as * parameter. */ int (*create)(struct sk_buff *skb, struct net_device *dev, const struct ieee802154_addr *daddr, const struct ieee802154_addr *saddr, unsigned int len); }; struct wpan_dev { struct wpan_phy *wpan_phy; int iftype; /* the remainder of this struct should be private to cfg802154 */ struct list_head list; struct net_device *netdev; const struct wpan_dev_header_ops *header_ops; /* lowpan interface, set when the wpan_dev belongs to one lowpan_dev */ struct net_device *lowpan_dev; u32 identifier; /* MAC PIB */ __le16 pan_id; __le16 short_addr; __le64 extended_addr; /* MAC BSN field */ atomic_t bsn; /* MAC DSN field */ atomic_t dsn; u8 min_be; u8 max_be; u8 csma_retries; s8 frame_retries; bool lbt; bool promiscuous_mode; /* fallback for acknowledgment bit setting */ bool ackreq; }; #define to_phy(_dev) container_of(_dev, struct wpan_phy, dev) static inline int wpan_dev_hard_header(struct sk_buff *skb, struct net_device *dev, const struct ieee802154_addr *daddr, const struct ieee802154_addr *saddr, unsigned int len) { struct wpan_dev *wpan_dev = dev->ieee802154_ptr; return wpan_dev->header_ops->create(skb, dev, daddr, saddr, len); } struct wpan_phy * wpan_phy_new(const struct cfg802154_ops *ops, size_t priv_size); static inline void wpan_phy_set_dev(struct wpan_phy *phy, struct device *dev) { phy->dev.parent = dev; } int wpan_phy_register(struct wpan_phy *phy); void wpan_phy_unregister(struct wpan_phy *phy); void wpan_phy_free(struct wpan_phy *phy); /* Same semantics as for class_for_each_device */ int wpan_phy_for_each(int (*fn)(struct wpan_phy *phy, void *data), void *data); static inline void *wpan_phy_priv(struct wpan_phy *phy) { BUG_ON(!phy); return &phy->priv; } struct wpan_phy *wpan_phy_find(const char *str); static inline void wpan_phy_put(struct wpan_phy *phy) { put_device(&phy->dev); } static inline const char *wpan_phy_name(struct wpan_phy *phy) { return dev_name(&phy->dev); } #endif /* __NET_CFG802154_H */
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 /* SPDX-License-Identifier: GPL-2.0-only */ /* * fs/kernfs/kernfs-internal.h - kernfs internal header file * * Copyright (c) 2001-3 Patrick Mochel * Copyright (c) 2007 SUSE Linux Products GmbH * Copyright (c) 2007, 2013 Tejun Heo <teheo@suse.de> */ #ifndef __KERNFS_INTERNAL_H #define __KERNFS_INTERNAL_H #include <linux/lockdep.h> #include <linux/fs.h> #include <linux/mutex.h> #include <linux/xattr.h> #include <linux/kernfs.h> #include <linux/fs_context.h> struct kernfs_iattrs { kuid_t ia_uid; kgid_t ia_gid; struct timespec64 ia_atime; struct timespec64 ia_mtime; struct timespec64 ia_ctime; struct simple_xattrs xattrs; atomic_t nr_user_xattrs; atomic_t user_xattr_size; }; /* +1 to avoid triggering overflow warning when negating it */ #define KN_DEACTIVATED_BIAS (INT_MIN + 1) /* KERNFS_TYPE_MASK and types are defined in include/linux/kernfs.h */ /** * kernfs_root - find out the kernfs_root a kernfs_node belongs to * @kn: kernfs_node of interest * * Return the kernfs_root @kn belongs to. */ static inline struct kernfs_root *kernfs_root(struct kernfs_node *kn) { /* if parent exists, it's always a dir; otherwise, @sd is a dir */ if (kn->parent) kn = kn->parent; return kn->dir.root; } /* * mount.c */ struct kernfs_super_info { struct super_block *sb; /* * The root associated with this super_block. Each super_block is * identified by the root and ns it's associated with. */ struct kernfs_root *root; /* * Each sb is associated with one namespace tag, currently the * network namespace of the task which mounted this kernfs * instance. If multiple tags become necessary, make the following * an array and compare kernfs_node tag against every entry. */ const void *ns; /* anchored at kernfs_root->supers, protected by kernfs_mutex */ struct list_head node; }; #define kernfs_info(SB) ((struct kernfs_super_info *)(SB->s_fs_info)) static inline struct kernfs_node *kernfs_dentry_node(struct dentry *dentry) { if (d_really_is_negative(dentry)) return NULL; return d_inode(dentry)->i_private; } extern const struct super_operations kernfs_sops; extern struct kmem_cache *kernfs_node_cache, *kernfs_iattrs_cache; /* * inode.c */ extern const struct xattr_handler *kernfs_xattr_handlers[]; void kernfs_evict_inode(struct inode *inode); int kernfs_iop_permission(struct inode *inode, int mask); int kernfs_iop_setattr(struct dentry *dentry, struct iattr *iattr); int kernfs_iop_getattr(const struct path *path, struct kstat *stat, u32 request_mask, unsigned int query_flags); ssize_t kernfs_iop_listxattr(struct dentry *dentry, char *buf, size_t size); int __kernfs_setattr(struct kernfs_node *kn, const struct iattr *iattr); /* * dir.c */ extern struct mutex kernfs_mutex; extern const struct dentry_operations kernfs_dops; extern const struct file_operations kernfs_dir_fops; extern const struct inode_operations kernfs_dir_iops; struct kernfs_node *kernfs_get_active(struct kernfs_node *kn); void kernfs_put_active(struct kernfs_node *kn); int kernfs_add_one(struct kernfs_node *kn); struct kernfs_node *kernfs_new_node(struct kernfs_node *parent, const char *name, umode_t mode, kuid_t uid, kgid_t gid, unsigned flags); /* * file.c */ extern const struct file_operations kernfs_file_fops; void kernfs_drain_open_files(struct kernfs_node *kn); /* * symlink.c */ extern const struct inode_operations kernfs_symlink_iops; #endif /* __KERNFS_INTERNAL_H */
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 /* SPDX-License-Identifier: GPL-2.0-or-later */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket * interface as the means of communication with the user level. * * Definitions for the TCP protocol. * * Version: @(#)tcp.h 1.0.2 04/28/93 * * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> */ #ifndef _LINUX_TCP_H #define _LINUX_TCP_H #include <linux/skbuff.h> #include <linux/win_minmax.h> #include <net/sock.h> #include <net/inet_connection_sock.h> #include <net/inet_timewait_sock.h> #include <uapi/linux/tcp.h> static inline struct tcphdr *tcp_hdr(const struct sk_buff *skb) { return (struct tcphdr *)skb_transport_header(skb); } static inline unsigned int __tcp_hdrlen(const struct tcphdr *th) { return th->doff * 4; } static inline unsigned int tcp_hdrlen(const struct sk_buff *skb) { return __tcp_hdrlen(tcp_hdr(skb)); } static inline struct tcphdr *inner_tcp_hdr(const struct sk_buff *skb) { return (struct tcphdr *)skb_inner_transport_header(skb); } static inline unsigned int inner_tcp_hdrlen(const struct sk_buff *skb) { return inner_tcp_hdr(skb)->doff * 4; } static inline unsigned int tcp_optlen(const struct sk_buff *skb) { return (tcp_hdr(skb)->doff - 5) * 4; } /* TCP Fast Open */ #define TCP_FASTOPEN_COOKIE_MIN 4 /* Min Fast Open Cookie size in bytes */ #define TCP_FASTOPEN_COOKIE_MAX 16 /* Max Fast Open Cookie size in bytes */ #define TCP_FASTOPEN_COOKIE_SIZE 8 /* the size employed by this impl. */ /* TCP Fast Open Cookie as stored in memory */ struct tcp_fastopen_cookie { __le64 val[DIV_ROUND_UP(TCP_FASTOPEN_COOKIE_MAX, sizeof(u64))]; s8 len; bool exp; /* In RFC6994 experimental option format */ }; /* This defines a selective acknowledgement block. */ struct tcp_sack_block_wire { __be32 start_seq; __be32 end_seq; }; struct tcp_sack_block { u32 start_seq; u32 end_seq; }; /*These are used to set the sack_ok field in struct tcp_options_received */ #define TCP_SACK_SEEN (1 << 0) /*1 = peer is SACK capable, */ #define TCP_DSACK_SEEN (1 << 2) /*1 = DSACK was received from peer*/ struct tcp_options_received { /* PAWS/RTTM data */ int ts_recent_stamp;/* Time we stored ts_recent (for aging) */ u32 ts_recent; /* Time stamp to echo next */ u32 rcv_tsval; /* Time stamp value */ u32 rcv_tsecr; /* Time stamp echo reply */ u16 saw_tstamp : 1, /* Saw TIMESTAMP on last packet */ tstamp_ok : 1, /* TIMESTAMP seen on SYN packet */ dsack : 1, /* D-SACK is scheduled */ wscale_ok : 1, /* Wscale seen on SYN packet */ sack_ok : 3, /* SACK seen on SYN packet */ smc_ok : 1, /* SMC seen on SYN packet */ snd_wscale : 4, /* Window scaling received from sender */ rcv_wscale : 4; /* Window scaling to send to receiver */ u8 saw_unknown:1, /* Received unknown option */ unused:7; u8 num_sacks; /* Number of SACK blocks */ u16 user_mss; /* mss requested by user in ioctl */ u16 mss_clamp; /* Maximal mss, negotiated at connection setup */ }; static inline void tcp_clear_options(struct tcp_options_received *rx_opt) { rx_opt->tstamp_ok = rx_opt->sack_ok = 0; rx_opt->wscale_ok = rx_opt->snd_wscale = 0; #if IS_ENABLED(CONFIG_SMC) rx_opt->smc_ok = 0; #endif } /* This is the max number of SACKS that we'll generate and process. It's safe * to increase this, although since: * size = TCPOLEN_SACK_BASE_ALIGNED (4) + n * TCPOLEN_SACK_PERBLOCK (8) * only four options will fit in a standard TCP header */ #define TCP_NUM_SACKS 4 struct tcp_request_sock_ops; struct tcp_request_sock { struct inet_request_sock req; const struct tcp_request_sock_ops *af_specific; u64 snt_synack; /* first SYNACK sent time */ bool tfo_listener; bool is_mptcp; #if IS_ENABLED(CONFIG_MPTCP) bool drop_req; #endif u32 txhash; u32 rcv_isn; u32 snt_isn; u32 ts_off; u32 last_oow_ack_time; /* last SYNACK */ u32 rcv_nxt; /* the ack # by SYNACK. For * FastOpen it's the seq# * after data-in-SYN. */ u8 syn_tos; }; static inline struct tcp_request_sock *tcp_rsk(const struct request_sock *req) { return (struct tcp_request_sock *)req; } struct tcp_sock { /* inet_connection_sock has to be the first member of tcp_sock */ struct inet_connection_sock inet_conn; u16 tcp_header_len; /* Bytes of tcp header to send */ u16 gso_segs; /* Max number of segs per GSO packet */ /* * Header prediction flags * 0x5?10 << 16 + snd_wnd in net byte order */ __be32 pred_flags; /* * RFC793 variables by their proper names. This means you can * read the code and the spec side by side (and laugh ...) * See RFC793 and RFC1122. The RFC writes these in capitals. */ u64 bytes_received; /* RFC4898 tcpEStatsAppHCThruOctetsReceived * sum(delta(rcv_nxt)), or how many bytes * were acked. */ u32 segs_in; /* RFC4898 tcpEStatsPerfSegsIn * total number of segments in. */ u32 data_segs_in; /* RFC4898 tcpEStatsPerfDataSegsIn * total number of data segments in. */ u32 rcv_nxt; /* What we want to receive next */ u32 copied_seq; /* Head of yet unread data */ u32 rcv_wup; /* rcv_nxt on last window update sent */ u32 snd_nxt; /* Next sequence we send */ u32 segs_out; /* RFC4898 tcpEStatsPerfSegsOut * The total number of segments sent. */ u32 data_segs_out; /* RFC4898 tcpEStatsPerfDataSegsOut * total number of data segments sent. */ u64 bytes_sent; /* RFC4898 tcpEStatsPerfHCDataOctetsOut * total number of data bytes sent. */ u64 bytes_acked; /* RFC4898 tcpEStatsAppHCThruOctetsAcked * sum(delta(snd_una)), or how many bytes * were acked. */ u32 dsack_dups; /* RFC4898 tcpEStatsStackDSACKDups * total number of DSACK blocks received */ u32 snd_una; /* First byte we want an ack for */ u32 snd_sml; /* Last byte of the most recently transmitted small packet */ u32 rcv_tstamp; /* timestamp of last received ACK (for keepalives) */ u32 lsndtime; /* timestamp of last sent data packet (for restart window) */ u32 last_oow_ack_time; /* timestamp of last out-of-window ACK */ u32 compressed_ack_rcv_nxt; u32 tsoffset; /* timestamp offset */ struct list_head tsq_node; /* anchor in tsq_tasklet.head list */ struct list_head tsorted_sent_queue; /* time-sorted sent but un-SACKed skbs */ u32 snd_wl1; /* Sequence for window update */ u32 snd_wnd; /* The window we expect to receive */ u32 max_window; /* Maximal window ever seen from peer */ u32 mss_cache; /* Cached effective mss, not including SACKS */ u32 window_clamp; /* Maximal window to advertise */ u32 rcv_ssthresh; /* Current window clamp */ /* Information of the most recently (s)acked skb */ struct tcp_rack { u64 mstamp; /* (Re)sent time of the skb */ u32 rtt_us; /* Associated RTT */ u32 end_seq; /* Ending TCP sequence of the skb */ u32 last_delivered; /* tp->delivered at last reo_wnd adj */ u8 reo_wnd_steps; /* Allowed reordering window */ #define TCP_RACK_RECOVERY_THRESH 16 u8 reo_wnd_persist:5, /* No. of recovery since last adj */ dsack_seen:1, /* Whether DSACK seen after last adj */ advanced:1; /* mstamp advanced since last lost marking */ } rack; u16 advmss; /* Advertised MSS */ u8 compressed_ack; u8 dup_ack_counter:2, tlp_retrans:1, /* TLP is a retransmission */ unused:5; u32 chrono_start; /* Start time in jiffies of a TCP chrono */ u32 chrono_stat[3]; /* Time in jiffies for chrono_stat stats */ u8 chrono_type:2, /* current chronograph type */ rate_app_limited:1, /* rate_{delivered,interval_us} limited? */ fastopen_connect:1, /* FASTOPEN_CONNECT sockopt */ fastopen_no_cookie:1, /* Allow send/recv SYN+data without a cookie */ is_sack_reneg:1, /* in recovery from loss with SACK reneg? */ fastopen_client_fail:2; /* reason why fastopen failed */ u8 nonagle : 4,/* Disable Nagle algorithm? */ thin_lto : 1,/* Use linear timeouts for thin streams */ recvmsg_inq : 1,/* Indicate # of bytes in queue upon recvmsg */ repair : 1, frto : 1;/* F-RTO (RFC5682) activated in CA_Loss */ u8 repair_queue; u8 save_syn:2, /* Save headers of SYN packet */ syn_data:1, /* SYN includes data */ syn_fastopen:1, /* SYN includes Fast Open option */ syn_fastopen_exp:1,/* SYN includes Fast Open exp. option */ syn_fastopen_ch:1, /* Active TFO re-enabling probe */ syn_data_acked:1,/* data in SYN is acked by SYN-ACK */ is_cwnd_limited:1;/* forward progress limited by snd_cwnd? */ u32 tlp_high_seq; /* snd_nxt at the time of TLP */ u32 tcp_tx_delay; /* delay (in usec) added to TX packets */ u64 tcp_wstamp_ns; /* departure time for next sent data packet */ u64 tcp_clock_cache; /* cache last tcp_clock_ns() (see tcp_mstamp_refresh()) */ /* RTT measurement */ u64 tcp_mstamp; /* most recent packet received/sent */ u32 srtt_us; /* smoothed round trip time << 3 in usecs */ u32 mdev_us; /* medium deviation */ u32 mdev_max_us; /* maximal mdev for the last rtt period */ u32 rttvar_us; /* smoothed mdev_max */ u32 rtt_seq; /* sequence number to update rttvar */ struct minmax rtt_min; u32 packets_out; /* Packets which are "in flight" */ u32 retrans_out; /* Retransmitted packets out */ u32 max_packets_out; /* max packets_out in last window */ u32 max_packets_seq; /* right edge of max_packets_out flight */ u16 urg_data; /* Saved octet of OOB data and control flags */ u8 ecn_flags; /* ECN status bits. */ u8 keepalive_probes; /* num of allowed keep alive probes */ u32 reordering; /* Packet reordering metric. */ u32 reord_seen; /* number of data packet reordering events */ u32 snd_up; /* Urgent pointer */ /* * Options received (usually on last packet, some only on SYN packets). */ struct tcp_options_received rx_opt; /* * Slow start and congestion control (see also Nagle, and Karn & Partridge) */ u32 snd_ssthresh; /* Slow start size threshold */ u32 snd_cwnd; /* Sending congestion window */ u32 snd_cwnd_cnt; /* Linear increase counter */ u32 snd_cwnd_clamp; /* Do not allow snd_cwnd to grow above this */ u32 snd_cwnd_used; u32 snd_cwnd_stamp; u32 prior_cwnd; /* cwnd right before starting loss recovery */ u32 prr_delivered; /* Number of newly delivered packets to * receiver in Recovery. */ u32 prr_out; /* Total number of pkts sent during Recovery. */ u32 delivered; /* Total data packets delivered incl. rexmits */ u32 delivered_ce; /* Like the above but only ECE marked packets */ u32 lost; /* Total data packets lost incl. rexmits */ u32 app_limited; /* limited until "delivered" reaches this val */ u64 first_tx_mstamp; /* start of window send phase */ u64 delivered_mstamp; /* time we reached "delivered" */ u32 rate_delivered; /* saved rate sample: packets delivered */ u32 rate_interval_us; /* saved rate sample: time elapsed */ u32 rcv_wnd; /* Current receiver window */ u32 write_seq; /* Tail(+1) of data held in tcp send buffer */ u32 notsent_lowat; /* TCP_NOTSENT_LOWAT */ u32 pushed_seq; /* Last pushed seq, required to talk to windows */ u32 lost_out; /* Lost packets */ u32 sacked_out; /* SACK'd packets */ struct hrtimer pacing_timer; struct hrtimer compressed_ack_timer; /* from STCP, retrans queue hinting */ struct sk_buff* lost_skb_hint; struct sk_buff *retransmit_skb_hint; /* OOO segments go in this rbtree. Socket lock must be held. */ struct rb_root out_of_order_queue; struct sk_buff *ooo_last_skb; /* cache rb_last(out_of_order_queue) */ /* SACKs data, these 2 need to be together (see tcp_options_write) */ struct tcp_sack_block duplicate_sack[1]; /* D-SACK block */ struct tcp_sack_block selective_acks[4]; /* The SACKS themselves*/ struct tcp_sack_block recv_sack_cache[4]; struct sk_buff *highest_sack; /* skb just after the highest * skb with SACKed bit set * (validity guaranteed only if * sacked_out > 0) */ int lost_cnt_hint; u32 prior_ssthresh; /* ssthresh saved at recovery start */ u32 high_seq; /* snd_nxt at onset of congestion */ u32 retrans_stamp; /* Timestamp of the last retransmit, * also used in SYN-SENT to remember stamp of * the first SYN. */ u32 undo_marker; /* snd_una upon a new recovery episode. */ int undo_retrans; /* number of undoable retransmissions. */ u64 bytes_retrans; /* RFC4898 tcpEStatsPerfOctetsRetrans * Total data bytes retransmitted */ u32 total_retrans; /* Total retransmits for entire connection */ u32 urg_seq; /* Seq of received urgent pointer */ unsigned int keepalive_time; /* time before keep alive takes place */ unsigned int keepalive_intvl; /* time interval between keep alive probes */ int linger2; /* Sock_ops bpf program related variables */ #ifdef CONFIG_BPF u8 bpf_sock_ops_cb_flags; /* Control calling BPF programs * values defined in uapi/linux/tcp.h */ #define BPF_SOCK_OPS_TEST_FLAG(TP, ARG) (TP->bpf_sock_ops_cb_flags & ARG) #else #define BPF_SOCK_OPS_TEST_FLAG(TP, ARG) 0 #endif u16 timeout_rehash; /* Timeout-triggered rehash attempts */ u32 rcv_ooopack; /* Received out-of-order packets, for tcpinfo */ /* Receiver side RTT estimation */ u32 rcv_rtt_last_tsecr; struct { u32 rtt_us; u32 seq; u64 time; } rcv_rtt_est; /* Receiver queue space */ struct { u32 space; u32 seq; u64 time; } rcvq_space; /* TCP-specific MTU probe information. */ struct { u32 probe_seq_start; u32 probe_seq_end; } mtu_probe; u32 mtu_info; /* We received an ICMP_FRAG_NEEDED / ICMPV6_PKT_TOOBIG * while socket was owned by user. */ #if IS_ENABLED(CONFIG_MPTCP) bool is_mptcp; #endif #if IS_ENABLED(CONFIG_SMC) bool syn_smc; /* SYN includes SMC */ #endif #ifdef CONFIG_TCP_MD5SIG /* TCP AF-Specific parts; only used by MD5 Signature support so far */ const struct tcp_sock_af_ops *af_specific; /* TCP MD5 Signature Option information */ struct tcp_md5sig_info __rcu *md5sig_info; #endif /* TCP fastopen related information */ struct tcp_fastopen_request *fastopen_req; /* fastopen_rsk points to request_sock that resulted in this big * socket. Used to retransmit SYNACKs etc. */ struct request_sock __rcu *fastopen_rsk; struct saved_syn *saved_syn; }; enum tsq_enum { TSQ_THROTTLED, TSQ_QUEUED, TCP_TSQ_DEFERRED, /* tcp_tasklet_func() found socket was owned */ TCP_WRITE_TIMER_DEFERRED, /* tcp_write_timer() found socket was owned */ TCP_DELACK_TIMER_DEFERRED, /* tcp_delack_timer() found socket was owned */ TCP_MTU_REDUCED_DEFERRED, /* tcp_v{4|6}_err() could not call * tcp_v{4|6}_mtu_reduced() */ }; enum tsq_flags { TSQF_THROTTLED = (1UL << TSQ_THROTTLED), TSQF_QUEUED = (1UL << TSQ_QUEUED), TCPF_TSQ_DEFERRED = (1UL << TCP_TSQ_DEFERRED), TCPF_WRITE_TIMER_DEFERRED = (1UL << TCP_WRITE_TIMER_DEFERRED), TCPF_DELACK_TIMER_DEFERRED = (1UL << TCP_DELACK_TIMER_DEFERRED), TCPF_MTU_REDUCED_DEFERRED = (1UL << TCP_MTU_REDUCED_DEFERRED), }; static inline struct tcp_sock *tcp_sk(const struct sock *sk) { return (struct tcp_sock *)sk; } struct tcp_timewait_sock { struct inet_timewait_sock tw_sk; #define tw_rcv_nxt tw_sk.__tw_common.skc_tw_rcv_nxt #define tw_snd_nxt tw_sk.__tw_common.skc_tw_snd_nxt u32 tw_rcv_wnd; u32 tw_ts_offset; u32 tw_ts_recent; /* The time we sent the last out-of-window ACK: */ u32 tw_last_oow_ack_time; int tw_ts_recent_stamp; u32 tw_tx_delay; #ifdef CONFIG_TCP_MD5SIG struct tcp_md5sig_key *tw_md5_key; #endif }; static inline struct tcp_timewait_sock *tcp_twsk(const struct sock *sk) { return (struct tcp_timewait_sock *)sk; } static inline bool tcp_passive_fastopen(const struct sock *sk) { return sk->sk_state == TCP_SYN_RECV && rcu_access_pointer(tcp_sk(sk)->fastopen_rsk) != NULL; } static inline void fastopen_queue_tune(struct sock *sk, int backlog) { struct request_sock_queue *queue = &inet_csk(sk)->icsk_accept_queue; int somaxconn = READ_ONCE(sock_net(sk)->core.sysctl_somaxconn); queue->fastopenq.max_qlen = min_t(unsigned int, backlog, somaxconn); } static inline void tcp_move_syn(struct tcp_sock *tp, struct request_sock *req) { tp->saved_syn = req->saved_syn; req->saved_syn = NULL; } static inline void tcp_saved_syn_free(struct tcp_sock *tp) { kfree(tp->saved_syn); tp->saved_syn = NULL; } static inline u32 tcp_saved_syn_len(const struct saved_syn *saved_syn) { return saved_syn->mac_hdrlen + saved_syn->network_hdrlen + saved_syn->tcp_hdrlen; } struct sk_buff *tcp_get_timestamping_opt_stats(const struct sock *sk, const struct sk_buff *orig_skb); static inline u16 tcp_mss_clamp(const struct tcp_sock *tp, u16 mss) { /* We use READ_ONCE() here because socket might not be locked. * This happens for listeners. */ u16 user_mss = READ_ONCE(tp->rx_opt.user_mss); return (user_mss && user_mss < mss) ? user_mss : mss; } int tcp_skb_shift(struct sk_buff *to, struct sk_buff *from, int pcount, int shiftlen); void tcp_sock_set_cork(struct sock *sk, bool on); int tcp_sock_set_keepcnt(struct sock *sk, int val); int tcp_sock_set_keepidle_locked(struct sock *sk, int val); int tcp_sock_set_keepidle(struct sock *sk, int val); int tcp_sock_set_keepintvl(struct sock *sk, int val); void tcp_sock_set_nodelay(struct sock *sk); void tcp_sock_set_quickack(struct sock *sk, int val); int tcp_sock_set_syncnt(struct sock *sk, int val); void tcp_sock_set_user_timeout(struct sock *sk, u32 val); #endif /* _LINUX_TCP_H */
1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 /* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_CPUFEATURE_H #define _ASM_X86_CPUFEATURE_H #include <asm/processor.h> #if defined(__KERNEL__) && !defined(__ASSEMBLY__) #include <asm/asm.h> #include <linux/bitops.h> enum cpuid_leafs { CPUID_1_EDX = 0, CPUID_8000_0001_EDX, CPUID_8086_0001_EDX, CPUID_LNX_1, CPUID_1_ECX, CPUID_C000_0001_EDX, CPUID_8000_0001_ECX, CPUID_LNX_2, CPUID_LNX_3, CPUID_7_0_EBX, CPUID_D_1_EAX, CPUID_LNX_4, CPUID_7_1_EAX, CPUID_8000_0008_EBX, CPUID_6_EAX, CPUID_8000_000A_EDX, CPUID_7_ECX, CPUID_8000_0007_EBX, CPUID_7_EDX, }; #ifdef CONFIG_X86_FEATURE_NAMES extern const char * const x86_cap_flags[NCAPINTS*32]; extern const char * const x86_power_flags[32]; #define X86_CAP_FMT "%s" #define x86_cap_flag(flag) x86_cap_flags[flag] #else #define X86_CAP_FMT "%d:%d" #define x86_cap_flag(flag) ((flag) >> 5), ((flag) & 31) #endif /* * In order to save room, we index into this array by doing * X86_BUG_<name> - NCAPINTS*32. */ extern const char * const x86_bug_flags[NBUGINTS*32]; #define test_cpu_cap(c, bit) \ arch_test_bit(bit, (unsigned long *)((c)->x86_capability)) /* * There are 32 bits/features in each mask word. The high bits * (selected with (bit>>5) give us the word number and the low 5 * bits give us the bit/feature number inside the word. * (1UL<<((bit)&31) gives us a mask for the feature_bit so we can * see if it is set in the mask word. */ #define CHECK_BIT_IN_MASK_WORD(maskname, word, bit) \ (((bit)>>5)==(word) && (1UL<<((bit)&31) & maskname##word )) /* * {REQUIRED,DISABLED}_MASK_CHECK below may seem duplicated with the * following BUILD_BUG_ON_ZERO() check but when NCAPINTS gets changed, all * header macros which use NCAPINTS need to be changed. The duplicated macro * use causes the compiler to issue errors for all headers so that all usage * sites can be corrected. */ #define REQUIRED_MASK_BIT_SET(feature_bit) \ ( CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 0, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 1, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 2, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 3, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 4, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 5, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 6, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 7, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 8, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 9, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 10, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 11, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 12, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 13, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 14, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 15, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 16, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 17, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(REQUIRED_MASK, 18, feature_bit) || \ REQUIRED_MASK_CHECK || \ BUILD_BUG_ON_ZERO(NCAPINTS != 19)) #define DISABLED_MASK_BIT_SET(feature_bit) \ ( CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 0, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 1, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 2, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 3, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 4, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 5, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 6, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 7, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 8, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 9, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 10, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 11, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 12, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 13, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 14, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 15, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 16, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 17, feature_bit) || \ CHECK_BIT_IN_MASK_WORD(DISABLED_MASK, 18, feature_bit) || \ DISABLED_MASK_CHECK || \ BUILD_BUG_ON_ZERO(NCAPINTS != 19)) #define cpu_has(c, bit) \ (__builtin_constant_p(bit) && REQUIRED_MASK_BIT_SET(bit) ? 1 : \ test_cpu_cap(c, bit)) #define this_cpu_has(bit) \ (__builtin_constant_p(bit) && REQUIRED_MASK_BIT_SET(bit) ? 1 : \ x86_this_cpu_test_bit(bit, \ (unsigned long __percpu *)&cpu_info.x86_capability)) /* * This macro is for detection of features which need kernel * infrastructure to be used. It may *not* directly test the CPU * itself. Use the cpu_has() family if you want true runtime * testing of CPU features, like in hypervisor code where you are * supporting a possible guest feature where host support for it * is not relevant. */ #define cpu_feature_enabled(bit) \ (__builtin_constant_p(bit) && DISABLED_MASK_BIT_SET(bit) ? 0 : static_cpu_has(bit)) #define boot_cpu_has(bit) cpu_has(&boot_cpu_data, bit) #define set_cpu_cap(c, bit) set_bit(bit, (unsigned long *)((c)->x86_capability)) extern void setup_clear_cpu_cap(unsigned int bit); extern void clear_cpu_cap(struct cpuinfo_x86 *c, unsigned int bit); #define setup_force_cpu_cap(bit) do { \ set_cpu_cap(&boot_cpu_data, bit); \ set_bit(bit, (unsigned long *)cpu_caps_set); \ } while (0) #define setup_force_cpu_bug(bit) setup_force_cpu_cap(bit) #if defined(__clang__) && !defined(CONFIG_CC_HAS_ASM_GOTO) /* * Workaround for the sake of BPF compilation which utilizes kernel * headers, but clang does not support ASM GOTO and fails the build. */ #ifndef __BPF_TRACING__ #warning "Compiler lacks ASM_GOTO support. Add -D __BPF_TRACING__ to your compiler arguments" #endif #define static_cpu_has(bit) boot_cpu_has(bit) #else /* * Static testing of CPU features. Used the same as boot_cpu_has(). It * statically patches the target code for additional performance. Use * static_cpu_has() only in fast paths, where every cycle counts. Which * means that the boot_cpu_has() variant is already fast enough for the * majority of cases and you should stick to using it as it is generally * only two instructions: a RIP-relative MOV and a TEST. */ static __always_inline bool _static_cpu_has(u16 bit) { asm_volatile_goto("1: jmp 6f\n" "2:\n" ".skip -(((5f-4f) - (2b-1b)) > 0) * " "((5f-4f) - (2b-1b)),0x90\n" "3:\n" ".section .altinstructions,\"a\"\n" " .long 1b - .\n" /* src offset */ " .long 4f - .\n" /* repl offset */ " .word %P[always]\n" /* always replace */ " .byte 3b - 1b\n" /* src len */ " .byte 5f - 4f\n" /* repl len */ " .byte 3b - 2b\n" /* pad len */ ".previous\n" ".section .altinstr_replacement,\"ax\"\n" "4: jmp %l[t_no]\n" "5:\n" ".previous\n" ".section .altinstructions,\"a\"\n" " .long 1b - .\n" /* src offset */ " .long 0\n" /* no replacement */ " .word %P[feature]\n" /* feature bit */ " .byte 3b - 1b\n" /* src len */ " .byte 0\n" /* repl len */ " .byte 0\n" /* pad len */ ".previous\n" ".section .altinstr_aux,\"ax\"\n" "6:\n" " testb %[bitnum],%[cap_byte]\n" " jnz %l[t_yes]\n" " jmp %l[t_no]\n" ".previous\n" : : [feature] "i" (bit), [always] "i" (X86_FEATURE_ALWAYS), [bitnum] "i" (1 << (bit & 7)), [cap_byte] "m" (((const char *)boot_cpu_data.x86_capability)[bit >> 3]) : : t_yes, t_no); t_yes: return true; t_no: return false; } #define static_cpu_has(bit) \ ( \ __builtin_constant_p(boot_cpu_has(bit)) ? \ boot_cpu_has(bit) : \ _static_cpu_has(bit) \ ) #endif #define cpu_has_bug(c, bit) cpu_has(c, (bit)) #define set_cpu_bug(c, bit) set_cpu_cap(c, (bit)) #define clear_cpu_bug(c, bit) clear_cpu_cap(c, (bit)) #define static_cpu_has_bug(bit) static_cpu_has((bit)) #define boot_cpu_has_bug(bit) cpu_has_bug(&boot_cpu_data, (bit)) #define boot_cpu_set_bug(bit) set_cpu_cap(&boot_cpu_data, (bit)) #define MAX_CPU_FEATURES (NCAPINTS * 32) #define cpu_have_feature boot_cpu_has #define CPU_FEATURE_TYPEFMT "x86,ven%04Xfam%04Xmod%04X" #define CPU_FEATURE_TYPEVAL boot_cpu_data.x86_vendor, boot_cpu_data.x86, \ boot_cpu_data.x86_model #endif /* defined(__KERNEL__) && !defined(__ASSEMBLY__) */ #endif /* _ASM_X86_CPUFEATURE_H */
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 /* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_GENERIC_SECTIONS_H_ #define _ASM_GENERIC_SECTIONS_H_ /* References to section boundaries */ #include <linux/compiler.h> #include <linux/types.h> /* * Usage guidelines: * _text, _data: architecture specific, don't use them in arch-independent code * [_stext, _etext]: contains .text.* sections, may also contain .rodata.* * and/or .init.* sections * [_sdata, _edata]: contains .data.* sections, may also contain .rodata.* * and/or .init.* sections. * [__start_rodata, __end_rodata]: contains .rodata.* sections * [__start_ro_after_init, __end_ro_after_init]: * contains .data..ro_after_init section * [__init_begin, __init_end]: contains .init.* sections, but .init.text.* * may be out of this range on some architectures. * [_sinittext, _einittext]: contains .init.text.* sections * [__bss_start, __bss_stop]: contains BSS sections * * Following global variables are optional and may be unavailable on some * architectures and/or kernel configurations. * _text, _data * __kprobes_text_start, __kprobes_text_end * __entry_text_start, __entry_text_end * __ctors_start, __ctors_end * __irqentry_text_start, __irqentry_text_end * __softirqentry_text_start, __softirqentry_text_end * __start_opd, __end_opd */ extern char _text[], _stext[], _etext[]; extern char _data[], _sdata[], _edata[]; extern char __bss_start[], __bss_stop[]; extern char __init_begin[], __init_end[]; extern char _sinittext[], _einittext[]; extern char __start_ro_after_init[], __end_ro_after_init[]; extern char _end[]; extern char __per_cpu_load[], __per_cpu_start[], __per_cpu_end[]; extern char __kprobes_text_start[], __kprobes_text_end[]; extern char __entry_text_start[], __entry_text_end[]; extern char __start_rodata[], __end_rodata[]; extern char __irqentry_text_start[], __irqentry_text_end[]; extern char __softirqentry_text_start[], __softirqentry_text_end[]; extern char __start_once[], __end_once[]; /* Start and end of .ctors section - used for constructor calls. */ extern char __ctors_start[], __ctors_end[]; /* Start and end of .opd section - used for function descriptors. */ extern char __start_opd[], __end_opd[]; /* Start and end of instrumentation protected text section */ extern char __noinstr_text_start[], __noinstr_text_end[]; extern __visible const void __nosave_begin, __nosave_end; /* Function descriptor handling (if any). Override in asm/sections.h */ #ifndef dereference_function_descriptor #define dereference_function_descriptor(p) ((void *)(p)) #define dereference_kernel_function_descriptor(p) ((void *)(p)) #endif /* random extra sections (if any). Override * in asm/sections.h */ #ifndef arch_is_kernel_text static inline int arch_is_kernel_text(unsigned long addr) { return 0; } #endif #ifndef arch_is_kernel_data static inline int arch_is_kernel_data(unsigned long addr) { return 0; } #endif /* * Check if an address is part of freed initmem. This is needed on architectures * with virt == phys kernel mapping, for code that wants to check if an address * is part of a static object within [_stext, _end]. After initmem is freed, * memory can be allocated from it, and such allocations would then have * addresses within the range [_stext, _end]. */ #ifndef arch_is_kernel_initmem_freed static inline int arch_is_kernel_initmem_freed(unsigned long addr) { return 0; } #endif /** * memory_contains - checks if an object is contained within a memory region * @begin: virtual address of the beginning of the memory region * @end: virtual address of the end of the memory region * @virt: virtual address of the memory object * @size: size of the memory object * * Returns: true if the object specified by @virt and @size is entirely * contained within the memory region defined by @begin and @end, false * otherwise. */ static inline bool memory_contains(void *begin, void *end, void *virt, size_t size) { return virt >= begin && virt + size <= end; } /** * memory_intersects - checks if the region occupied by an object intersects * with another memory region * @begin: virtual address of the beginning of the memory regien * @end: virtual address of the end of the memory region * @virt: virtual address of the memory object * @size: size of the memory object * * Returns: true if an object's memory region, specified by @virt and @size, * intersects with the region specified by @begin and @end, false otherwise. */ static inline bool memory_intersects(void *begin, void *end, void *virt, size_t size) { void *vend = virt + size; return (virt >= begin && virt < end) || (vend >= begin && vend < end); } /** * init_section_contains - checks if an object is contained within the init * section * @virt: virtual address of the memory object * @size: size of the memory object * * Returns: true if the object specified by @virt and @size is entirely * contained within the init section, false otherwise. */ static inline bool init_section_contains(void *virt, size_t size) { return memory_contains(__init_begin, __init_end, virt, size); } /** * init_section_intersects - checks if the region occupied by an object * intersects with the init section * @virt: virtual address of the memory object * @size: size of the memory object * * Returns: true if an object's memory region, specified by @virt and @size, * intersects with the init section, false otherwise. */ static inline bool init_section_intersects(void *virt, size_t size) { return memory_intersects(__init_begin, __init_end, virt, size); } /** * is_kernel_rodata - checks if the pointer address is located in the * .rodata section * * @addr: address to check * * Returns: true if the address is located in .rodata, false otherwise. */ static inline bool is_kernel_rodata(unsigned long addr) { return addr >= (unsigned long)__start_rodata && addr < (unsigned long)__end_rodata; } #endif /* _ASM_GENERIC_SECTIONS_H_ */
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 /* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_VMSTAT_H #define _LINUX_VMSTAT_H #include <linux/types.h> #include <linux/percpu.h> #include <linux/mmzone.h> #include <linux/vm_event_item.h> #include <linux/atomic.h> #include <linux/static_key.h> #include <linux/mmdebug.h> extern int sysctl_stat_interval; #ifdef CONFIG_NUMA #define ENABLE_NUMA_STAT 1 #define DISABLE_NUMA_STAT 0 extern int sysctl_vm_numa_stat; DECLARE_STATIC_KEY_TRUE(vm_numa_stat_key); int sysctl_vm_numa_stat_handler(struct ctl_table *table, int write, void *buffer, size_t *length, loff_t *ppos); #endif struct reclaim_stat { unsigned nr_dirty; unsigned nr_unqueued_dirty; unsigned nr_congested; unsigned nr_writeback; unsigned nr_immediate; unsigned nr_pageout; unsigned nr_activate[ANON_AND_FILE]; unsigned nr_ref_keep; unsigned nr_unmap_fail; unsigned nr_lazyfree_fail; }; enum writeback_stat_item { NR_DIRTY_THRESHOLD, NR_DIRTY_BG_THRESHOLD, NR_VM_WRITEBACK_STAT_ITEMS, }; #ifdef CONFIG_VM_EVENT_COUNTERS /* * Light weight per cpu counter implementation. * * Counters should only be incremented and no critical kernel component * should rely on the counter values. * * Counters are handled completely inline. On many platforms the code * generated will simply be the increment of a global address. */ struct vm_event_state { unsigned long event[NR_VM_EVENT_ITEMS]; }; DECLARE_PER_CPU(struct vm_event_state, vm_event_states); /* * vm counters are allowed to be racy. Use raw_cpu_ops to avoid the * local_irq_disable overhead. */ static inline void __count_vm_event(enum vm_event_item item) { raw_cpu_inc(vm_event_states.event[item]); } static inline void count_vm_event(enum vm_event_item item) { this_cpu_inc(vm_event_states.event[item]); } static inline void __count_vm_events(enum vm_event_item item, long delta) { raw_cpu_add(vm_event_states.event[item], delta); } static inline void count_vm_events(enum vm_event_item item, long delta) { this_cpu_add(vm_event_states.event[item], delta); } extern void all_vm_events(unsigned long *); extern void vm_events_fold_cpu(int cpu); #else /* Disable counters */ static inline void count_vm_event(enum vm_event_item item) { } static inline void count_vm_events(enum vm_event_item item, long delta) { } static inline void __count_vm_event(enum vm_event_item item) { } static inline void __count_vm_events(enum vm_event_item item, long delta) { } static inline void all_vm_events(unsigned long *ret) { } static inline void vm_events_fold_cpu(int cpu) { } #endif /* CONFIG_VM_EVENT_COUNTERS */ #ifdef CONFIG_NUMA_BALANCING #define count_vm_numa_event(x) count_vm_event(x) #define count_vm_numa_events(x, y) count_vm_events(x, y) #else #define count_vm_numa_event(x) do {} while (0) #define count_vm_numa_events(x, y) do { (void)(y); } while (0) #endif /* CONFIG_NUMA_BALANCING */ #ifdef CONFIG_DEBUG_TLBFLUSH #define count_vm_tlb_event(x) count_vm_event(x) #define count_vm_tlb_events(x, y) count_vm_events(x, y) #else #define count_vm_tlb_event(x) do {} while (0) #define count_vm_tlb_events(x, y) do { (void)(y); } while (0) #endif #ifdef CONFIG_DEBUG_VM_VMACACHE #define count_vm_vmacache_event(x) count_vm_event(x) #else #define count_vm_vmacache_event(x) do {} while (0) #endif #define __count_zid_vm_events(item, zid, delta) \ __count_vm_events(item##_NORMAL - ZONE_NORMAL + zid, delta) /* * Zone and node-based page accounting with per cpu differentials. */ extern atomic_long_t vm_zone_stat[NR_VM_ZONE_STAT_ITEMS]; extern atomic_long_t vm_numa_stat[NR_VM_NUMA_STAT_ITEMS]; extern atomic_long_t vm_node_stat[NR_VM_NODE_STAT_ITEMS]; #ifdef CONFIG_NUMA static inline void zone_numa_state_add(long x, struct zone *zone, enum numa_stat_item item) { atomic_long_add(x, &zone->vm_numa_stat[item]); atomic_long_add(x, &vm_numa_stat[item]); } static inline unsigned long global_numa_state(enum numa_stat_item item) { long x = atomic_long_read(&vm_numa_stat[item]); return x; } static inline unsigned long zone_numa_state_snapshot(struct zone *zone, enum numa_stat_item item) { long x = atomic_long_read(&zone->vm_numa_stat[item]); int cpu; for_each_online_cpu(cpu) x += per_cpu_ptr(zone->pageset, cpu)->vm_numa_stat_diff[item]; return x; } #endif /* CONFIG_NUMA */ static inline void zone_page_state_add(long x, struct zone *zone, enum zone_stat_item item) { atomic_long_add(x, &zone->vm_stat[item]); atomic_long_add(x, &vm_zone_stat[item]); } static inline void node_page_state_add(long x, struct pglist_data *pgdat, enum node_stat_item item) { atomic_long_add(x, &pgdat->vm_stat[item]); atomic_long_add(x, &vm_node_stat[item]); } static inline unsigned long global_zone_page_state(enum zone_stat_item item) { long x = atomic_long_read(&vm_zone_stat[item]); #ifdef CONFIG_SMP if (x < 0) x = 0; #endif return x; } static inline unsigned long global_node_page_state_pages(enum node_stat_item item) { long x = atomic_long_read(&vm_node_stat[item]); #ifdef CONFIG_SMP if (x < 0) x = 0; #endif return x; } static inline unsigned long global_node_page_state(enum node_stat_item item) { VM_WARN_ON_ONCE(vmstat_item_in_bytes(item)); return global_node_page_state_pages(item); } static inline unsigned long zone_page_state(struct zone *zone, enum zone_stat_item item) { long x = atomic_long_read(&zone->vm_stat[item]); #ifdef CONFIG_SMP if (x < 0) x = 0; #endif return x; } /* * More accurate version that also considers the currently pending * deltas. For that we need to loop over all cpus to find the current * deltas. There is no synchronization so the result cannot be * exactly accurate either. */ static inline unsigned long zone_page_state_snapshot(struct zone *zone, enum zone_stat_item item) { long x = atomic_long_read(&zone->vm_stat[item]); #ifdef CONFIG_SMP int cpu; for_each_online_cpu(cpu) x += per_cpu_ptr(zone->pageset, cpu)->vm_stat_diff[item]; if (x < 0) x = 0; #endif return x; } #ifdef CONFIG_NUMA extern void __inc_numa_state(struct zone *zone, enum numa_stat_item item); extern unsigned long sum_zone_node_page_state(int node, enum zone_stat_item item); extern unsigned long sum_zone_numa_state(int node, enum numa_stat_item item); extern unsigned long node_page_state(struct pglist_data *pgdat, enum node_stat_item item); extern unsigned long node_page_state_pages(struct pglist_data *pgdat, enum node_stat_item item); #else #define sum_zone_node_page_state(node, item) global_zone_page_state(item) #define node_page_state(node, item) global_node_page_state(item) #define node_page_state_pages(node, item) global_node_page_state_pages(item) #endif /* CONFIG_NUMA */ #ifdef CONFIG_SMP void __mod_zone_page_state(struct zone *, enum zone_stat_item item, long); void __inc_zone_page_state(struct page *, enum zone_stat_item); void __dec_zone_page_state(struct page *, enum zone_stat_item); void __mod_node_page_state(struct pglist_data *, enum node_stat_item item, long); void __inc_node_page_state(struct page *, enum node_stat_item); void __dec_node_page_state(struct page *, enum node_stat_item); void mod_zone_page_state(struct zone *, enum zone_stat_item, long); void inc_zone_page_state(struct page *, enum zone_stat_item); void dec_zone_page_state(struct page *, enum zone_stat_item); void mod_node_page_state(struct pglist_data *, enum node_stat_item, long); void inc_node_page_state(struct page *, enum node_stat_item); void dec_node_page_state(struct page *, enum node_stat_item); extern void inc_node_state(struct pglist_data *, enum node_stat_item); extern void __inc_zone_state(struct zone *, enum zone_stat_item); extern void __inc_node_state(struct pglist_data *, enum node_stat_item); extern void dec_zone_state(struct zone *, enum zone_stat_item); extern void __dec_zone_state(struct zone *, enum zone_stat_item); extern void __dec_node_state(struct pglist_data *, enum node_stat_item); void quiet_vmstat(void); void cpu_vm_stats_fold(int cpu); void refresh_zone_stat_thresholds(void); struct ctl_table; int vmstat_refresh(struct ctl_table *, int write, void *buffer, size_t *lenp, loff_t *ppos); void drain_zonestat(struct zone *zone, struct per_cpu_pageset *); int calculate_pressure_threshold(struct zone *zone); int calculate_normal_threshold(struct zone *zone); void set_pgdat_percpu_threshold(pg_data_t *pgdat, int (*calculate_pressure)(struct zone *)); #else /* CONFIG_SMP */ /* * We do not maintain differentials in a single processor configuration. * The functions directly modify the zone and global counters. */ static inline void __mod_zone_page_state(struct zone *zone, enum zone_stat_item item, long delta) { zone_page_state_add(delta, zone, item); } static inline void __mod_node_page_state(struct pglist_data *pgdat, enum node_stat_item item, int delta) { if (vmstat_item_in_bytes(item)) { VM_WARN_ON_ONCE(delta & (PAGE_SIZE - 1)); delta >>= PAGE_SHIFT; } node_page_state_add(delta, pgdat, item); } static inline void __inc_zone_state(struct zone *zone, enum zone_stat_item item) { atomic_long_inc(&zone->vm_stat[item]); atomic_long_inc(&vm_zone_stat[item]); } static inline void __inc_node_state(struct pglist_data *pgdat, enum node_stat_item item) { atomic_long_inc(&pgdat->vm_stat[item]); atomic_long_inc(&vm_node_stat[item]); } static inline void __dec_zone_state(struct zone *zone, enum zone_stat_item item) { atomic_long_dec(&zone->vm_stat[item]); atomic_long_dec(&vm_zone_stat[item]); } static inline void __dec_node_state(struct pglist_data *pgdat, enum node_stat_item item) { atomic_long_dec(&pgdat->vm_stat[item]); atomic_long_dec(&vm_node_stat[item]); } static inline void __inc_zone_page_state(struct page *page, enum zone_stat_item item) { __inc_zone_state(page_zone(page), item); } static inline void __inc_node_page_state(struct page *page, enum node_stat_item item) { __inc_node_state(page_pgdat(page), item); } static inline void __dec_zone_page_state(struct page *page, enum zone_stat_item item) { __dec_zone_state(page_zone(page), item); } static inline void __dec_node_page_state(struct page *page, enum node_stat_item item) { __dec_node_state(page_pgdat(page), item); } /* * We only use atomic operations to update counters. So there is no need to * disable interrupts. */ #define inc_zone_page_state __inc_zone_page_state #define dec_zone_page_state __dec_zone_page_state #define mod_zone_page_state __mod_zone_page_state #define inc_node_page_state __inc_node_page_state #define dec_node_page_state __dec_node_page_state #define mod_node_page_state __mod_node_page_state #define inc_zone_state __inc_zone_state #define inc_node_state __inc_node_state #define dec_zone_state __dec_zone_state #define set_pgdat_percpu_threshold(pgdat, callback) { } static inline void refresh_zone_stat_thresholds(void) { } static inline void cpu_vm_stats_fold(int cpu) { } static inline void quiet_vmstat(void) { } static inline void drain_zonestat(struct zone *zone, struct per_cpu_pageset *pset) { } #endif /* CONFIG_SMP */ static inline void __mod_zone_freepage_state(struct zone *zone, int nr_pages, int migratetype) { __mod_zone_page_state(zone, NR_FREE_PAGES, nr_pages); if (is_migrate_cma(migratetype)) __mod_zone_page_state(zone, NR_FREE_CMA_PAGES, nr_pages); } extern const char * const vmstat_text[]; static inline const char *zone_stat_name(enum zone_stat_item item) { return vmstat_text[item]; } #ifdef CONFIG_NUMA static inline const char *numa_stat_name(enum numa_stat_item item) { return vmstat_text[NR_VM_ZONE_STAT_ITEMS + item]; } #endif /* CONFIG_NUMA */ static inline const char *node_stat_name(enum node_stat_item item) { return vmstat_text[NR_VM_ZONE_STAT_ITEMS + NR_VM_NUMA_STAT_ITEMS + item]; } static inline const char *lru_list_name(enum lru_list lru) { return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" } static inline const char *writeback_stat_name(enum writeback_stat_item item) { return vmstat_text[NR_VM_ZONE_STAT_ITEMS + NR_VM_NUMA_STAT_ITEMS + NR_VM_NODE_STAT_ITEMS + item]; } #if defined(CONFIG_VM_EVENT_COUNTERS) || defined(CONFIG_MEMCG) static inline const char *vm_event_name(enum vm_event_item item) { return vmstat_text[NR_VM_ZONE_STAT_ITEMS + NR_VM_NUMA_STAT_ITEMS + NR_VM_NODE_STAT_ITEMS + NR_VM_WRITEBACK_STAT_ITEMS + item]; } #endif /* CONFIG_VM_EVENT_COUNTERS || CONFIG_MEMCG */ #endif /* _LINUX_VMSTAT_H */
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 /* SPDX-License-Identifier: GPL-2.0-or-later */ #ifndef _LINUX_IO_URING_H #define _LINUX_IO_URING_H #include <linux/sched.h> #include <linux/xarray.h> struct io_identity { struct files_struct *files; struct mm_struct *mm; #ifdef CONFIG_BLK_CGROUP struct cgroup_subsys_state *blkcg_css; #endif const struct cred *creds; struct nsproxy *nsproxy; struct fs_struct *fs; unsigned long fsize; #ifdef CONFIG_AUDIT kuid_t loginuid; unsigned int sessionid; #endif refcount_t count; }; struct io_uring_task { /* submission side */ struct xarray xa; struct wait_queue_head wait; struct file *last; struct percpu_counter inflight; struct io_identity __identity; struct io_identity *identity; atomic_t in_idle; bool sqpoll; }; #if defined(CONFIG_IO_URING) struct sock *io_uring_get_socket(struct file *file); void __io_uring_task_cancel(void); void __io_uring_files_cancel(struct files_struct *files); void __io_uring_free(struct task_struct *tsk); static inline void io_uring_task_cancel(void) { if (current->io_uring && !xa_empty(&current->io_uring->xa)) __io_uring_task_cancel(); } static inline void io_uring_files_cancel(struct files_struct *files) { if (current->io_uring && !xa_empty(&current->io_uring->xa)) __io_uring_files_cancel(files); } static inline void io_uring_free(struct task_struct *tsk) { if (tsk->io_uring) __io_uring_free(tsk); } #else static inline struct sock *io_uring_get_socket(struct file *file) { return NULL; } static inline void io_uring_task_cancel(void) { } static inline void io_uring_files_cancel(struct files_struct *files) { } static inline void io_uring_free(struct task_struct *tsk) { } #endif #endif
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11337 11338 11339 11340 11341 11342 11343 11344 11345 11346 11347 11348 11349 11350 11351 // SPDX-License-Identifier: GPL-2.0-or-later /* * NET3 Protocol independent device support routines. * * Derived from the non IP parts of dev.c 1.0.19 * Authors: Ross Biro * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> * Mark Evans, <evansmp@uhura.aston.ac.uk> * * Additional Authors: * Florian la Roche <rzsfl@rz.uni-sb.de> * Alan Cox <gw4pts@gw4pts.ampr.org> * David Hinds <dahinds@users.sourceforge.net> * Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> * Adam Sulmicki <adam@cfar.umd.edu> * Pekka Riikonen <priikone@poesidon.pspt.fi> * * Changes: * D.J. Barrow : Fixed bug where dev->refcnt gets set * to 2 if register_netdev gets called * before net_dev_init & also removed a * few lines of code in the process. * Alan Cox : device private ioctl copies fields back. * Alan Cox : Transmit queue code does relevant * stunts to keep the queue safe. * Alan Cox : Fixed double lock. * Alan Cox : Fixed promisc NULL pointer trap * ???????? : Support the full private ioctl range * Alan Cox : Moved ioctl permission check into * drivers * Tim Kordas : SIOCADDMULTI/SIOCDELMULTI * Alan Cox : 100 backlog just doesn't cut it when * you start doing multicast video 8) * Alan Cox : Rewrote net_bh and list manager. * Alan Cox : Fix ETH_P_ALL echoback lengths. * Alan Cox : Took out transmit every packet pass * Saved a few bytes in the ioctl handler * Alan Cox : Network driver sets packet type before * calling netif_rx. Saves a function * call a packet. * Alan Cox : Hashed net_bh() * Richard Kooijman: Timestamp fixes. * Alan Cox : Wrong field in SIOCGIFDSTADDR * Alan Cox : Device lock protection. * Alan Cox : Fixed nasty side effect of device close * changes. * Rudi Cilibrasi : Pass the right thing to * set_mac_address() * Dave Miller : 32bit quantity for the device lock to * make it work out on a Sparc. * Bjorn Ekwall : Added KERNELD hack. * Alan Cox : Cleaned up the backlog initialise. * Craig Metz : SIOCGIFCONF fix if space for under * 1 device. * Thomas Bogendoerfer : Return ENODEV for dev_open, if there * is no device open function. * Andi Kleen : Fix error reporting for SIOCGIFCONF * Michael Chastain : Fix signed/unsigned for SIOCGIFCONF * Cyrus Durgin : Cleaned for KMOD * Adam Sulmicki : Bug Fix : Network Device Unload * A network device unload needs to purge * the backlog queue. * Paul Rusty Russell : SIOCSIFNAME * Pekka Riikonen : Netdev boot-time settings code * Andrew Morton : Make unregister_netdevice wait * indefinitely on dev->refcnt * J Hadi Salim : - Backlog queue sampling * - netif_rx() feedback */ #include <linux/uaccess.h> #include <linux/bitops.h> #include <linux/capability.h> #include <linux/cpu.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/hash.h> #include <linux/slab.h> #include <linux/sched.h> #include <linux/sched/mm.h> #include <linux/mutex.h> #include <linux/rwsem.h> #include <linux/string.h> #include <linux/mm.h> #include <linux/socket.h> #include <linux/sockios.h> #include <linux/errno.h> #include <linux/interrupt.h> #include <linux/if_ether.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/ethtool.h> #include <linux/skbuff.h> #include <linux/bpf.h> #include <linux/bpf_trace.h> #include <net/net_namespace.h> #include <net/sock.h> #include <net/busy_poll.h> #include <linux/rtnetlink.h> #include <linux/stat.h> #include <net/dsa.h> #include <net/dst.h> #include <net/dst_metadata.h> #include <net/pkt_sched.h> #include <net/pkt_cls.h> #include <net/checksum.h> #include <net/xfrm.h> #include <linux/highmem.h> #include <linux/init.h> #include <linux/module.h> #include <linux/netpoll.h> #include <linux/rcupdate.h> #include <linux/delay.h> #include <net/iw_handler.h> #include <asm/current.h> #include <linux/audit.h> #include <linux/dmaengine.h> #include <linux/err.h> #include <linux/ctype.h> #include <linux/if_arp.h> #include <linux/if_vlan.h> #include <linux/ip.h> #include <net/ip.h> #include <net/mpls.h> #include <linux/ipv6.h> #include <linux/in.h> #include <linux/jhash.h> #include <linux/random.h> #include <trace/events/napi.h> #include <trace/events/net.h> #include <trace/events/skb.h> #include <linux/inetdevice.h> #include <linux/cpu_rmap.h> #include <linux/static_key.h> #include <linux/hashtable.h> #include <linux/vmalloc.h> #include <linux/if_macvlan.h> #include <linux/errqueue.h> #include <linux/hrtimer.h> #include <linux/netfilter_ingress.h> #include <linux/crash_dump.h> #include <linux/sctp.h> #include <net/udp_tunnel.h> #include <linux/net_namespace.h> #include <linux/indirect_call_wrapper.h> #include <net/devlink.h> #include <linux/pm_runtime.h> #include <linux/prandom.h> #include "net-sysfs.h" #define MAX_GRO_SKBS 8 /* This should be increased if a protocol with a bigger head is added. */ #define GRO_MAX_HEAD (MAX_HEADER + 128) static DEFINE_SPINLOCK(ptype_lock); static DEFINE_SPINLOCK(offload_lock); struct list_head ptype_base[PTYPE_HASH_SIZE] __read_mostly; struct list_head ptype_all __read_mostly; /* Taps */ static struct list_head offload_base __read_mostly; static int netif_rx_internal(struct sk_buff *skb); static int call_netdevice_notifiers_info(unsigned long val, struct netdev_notifier_info *info); static int call_netdevice_notifiers_extack(unsigned long val, struct net_device *dev, struct netlink_ext_ack *extack); static struct napi_struct *napi_by_id(unsigned int napi_id); /* * The @dev_base_head list is protected by @dev_base_lock and the rtnl * semaphore. * * Pure readers hold dev_base_lock for reading, or rcu_read_lock() * * Writers must hold the rtnl semaphore while they loop through the * dev_base_head list, and hold dev_base_lock for writing when they do the * actual updates. This allows pure readers to access the list even * while a writer is preparing to update it. * * To put it another way, dev_base_lock is held for writing only to * protect against pure readers; the rtnl semaphore provides the * protection against other writers. * * See, for example usages, register_netdevice() and * unregister_netdevice(), which must be called with the rtnl * semaphore held. */ DEFINE_RWLOCK(dev_base_lock); EXPORT_SYMBOL(dev_base_lock); static DEFINE_MUTEX(ifalias_mutex); /* protects napi_hash addition/deletion and napi_gen_id */ static DEFINE_SPINLOCK(napi_hash_lock); static unsigned int napi_gen_id = NR_CPUS; static DEFINE_READ_MOSTLY_HASHTABLE(napi_hash, 8); static DECLARE_RWSEM(devnet_rename_sem); static inline void dev_base_seq_inc(struct net *net) { while (++net->dev_base_seq == 0) ; } static inline struct hlist_head *dev_name_hash(struct net *net, const char *name) { unsigned int hash = full_name_hash(net, name, strnlen(name, IFNAMSIZ)); return &net->dev_name_head[hash_32(hash, NETDEV_HASHBITS)]; } static inline struct hlist_head *dev_index_hash(struct net *net, int ifindex) { return &net->dev_index_head[ifindex & (NETDEV_HASHENTRIES - 1)]; } static inline void rps_lock(struct softnet_data *sd) { #ifdef CONFIG_RPS spin_lock(&sd->input_pkt_queue.lock); #endif } static inline void rps_unlock(struct softnet_data *sd) { #ifdef CONFIG_RPS spin_unlock(&sd->input_pkt_queue.lock); #endif } static struct netdev_name_node *netdev_name_node_alloc(struct net_device *dev, const char *name) { struct netdev_name_node *name_node; name_node = kmalloc(sizeof(*name_node), GFP_KERNEL); if (!name_node) return NULL; INIT_HLIST_NODE(&name_node->hlist); name_node->dev = dev; name_node->name = name; return name_node; } static struct netdev_name_node * netdev_name_node_head_alloc(struct net_device *dev) { struct netdev_name_node *name_node; name_node = netdev_name_node_alloc(dev, dev->name); if (!name_node) return NULL; INIT_LIST_HEAD(&name_node->list); return name_node; } static void netdev_name_node_free(struct netdev_name_node *name_node) { kfree(name_node); } static void netdev_name_node_add(struct net *net, struct netdev_name_node *name_node) { hlist_add_head_rcu(&name_node->hlist, dev_name_hash(net, name_node->name)); } static void netdev_name_node_del(struct netdev_name_node *name_node) { hlist_del_rcu(&name_node->hlist); } static struct netdev_name_node *netdev_name_node_lookup(struct net *net, const char *name) { struct hlist_head *head = dev_name_hash(net, name); struct netdev_name_node *name_node; hlist_for_each_entry(name_node, head, hlist) if (!strcmp(name_node->name, name)) return name_node; return NULL; } static struct netdev_name_node *netdev_name_node_lookup_rcu(struct net *net, const char *name) { struct hlist_head *head = dev_name_hash(net, name); struct netdev_name_node *name_node; hlist_for_each_entry_rcu(name_node, head, hlist) if (!strcmp(name_node->name, name)) return name_node; return NULL; } int netdev_name_node_alt_create(struct net_device *dev, const char *name) { struct netdev_name_node *name_node; struct net *net = dev_net(dev); name_node = netdev_name_node_lookup(net, name); if (name_node) return -EEXIST; name_node = netdev_name_node_alloc(dev, name); if (!name_node) return -ENOMEM; netdev_name_node_add(net, name_node); /* The node that holds dev->name acts as a head of per-device list. */ list_add_tail(&name_node->list, &dev->name_node->list); return 0; } EXPORT_SYMBOL(netdev_name_node_alt_create); static void __netdev_name_node_alt_destroy(struct netdev_name_node *name_node) { list_del(&name_node->list); netdev_name_node_del(name_node); kfree(name_node->name); netdev_name_node_free(name_node); } int netdev_name_node_alt_destroy(struct net_device *dev, const char *name) { struct netdev_name_node *name_node; struct net *net = dev_net(dev); name_node = netdev_name_node_lookup(net, name); if (!name_node) return -ENOENT; /* lookup might have found our primary name or a name belonging * to another device. */ if (name_node == dev->name_node || name_node->dev != dev) return -EINVAL; __netdev_name_node_alt_destroy(name_node); return 0; } EXPORT_SYMBOL(netdev_name_node_alt_destroy); static void netdev_name_node_alt_flush(struct net_device *dev) { struct netdev_name_node *name_node, *tmp; list_for_each_entry_safe(name_node, tmp, &dev->name_node->list, list) __netdev_name_node_alt_destroy(name_node); } /* Device list insertion */ static void list_netdevice(struct net_device *dev) { struct net *net = dev_net(dev); ASSERT_RTNL(); write_lock_bh(&dev_base_lock); list_add_tail_rcu(&dev->dev_list, &net->dev_base_head); netdev_name_node_add(net, dev->name_node); hlist_add_head_rcu(&dev->index_hlist, dev_index_hash(net, dev->ifindex)); write_unlock_bh(&dev_base_lock); dev_base_seq_inc(net); } /* Device list removal * caller must respect a RCU grace period before freeing/reusing dev */ static void unlist_netdevice(struct net_device *dev) { ASSERT_RTNL(); /* Unlink dev from the device chain */ write_lock_bh(&dev_base_lock); list_del_rcu(&dev->dev_list); netdev_name_node_del(dev->name_node); hlist_del_rcu(&dev->index_hlist); write_unlock_bh(&dev_base_lock); dev_base_seq_inc(dev_net(dev)); } /* * Our notifier list */ static RAW_NOTIFIER_HEAD(netdev_chain); /* * Device drivers call our routines to queue packets here. We empty the * queue in the local softnet handler. */ DEFINE_PER_CPU_ALIGNED(struct softnet_data, softnet_data); EXPORT_PER_CPU_SYMBOL(softnet_data); #ifdef CONFIG_LOCKDEP /* * register_netdevice() inits txq->_xmit_lock and sets lockdep class * according to dev->type */ static const unsigned short netdev_lock_type[] = { ARPHRD_NETROM, ARPHRD_ETHER, ARPHRD_EETHER, ARPHRD_AX25, ARPHRD_PRONET, ARPHRD_CHAOS, ARPHRD_IEEE802, ARPHRD_ARCNET, ARPHRD_APPLETLK, ARPHRD_DLCI, ARPHRD_ATM, ARPHRD_METRICOM, ARPHRD_IEEE1394, ARPHRD_EUI64, ARPHRD_INFINIBAND, ARPHRD_SLIP, ARPHRD_CSLIP, ARPHRD_SLIP6, ARPHRD_CSLIP6, ARPHRD_RSRVD, ARPHRD_ADAPT, ARPHRD_ROSE, ARPHRD_X25, ARPHRD_HWX25, ARPHRD_PPP, ARPHRD_CISCO, ARPHRD_LAPB, ARPHRD_DDCMP, ARPHRD_RAWHDLC, ARPHRD_TUNNEL, ARPHRD_TUNNEL6, ARPHRD_FRAD, ARPHRD_SKIP, ARPHRD_LOOPBACK, ARPHRD_LOCALTLK, ARPHRD_FDDI, ARPHRD_BIF, ARPHRD_SIT, ARPHRD_IPDDP, ARPHRD_IPGRE, ARPHRD_PIMREG, ARPHRD_HIPPI, ARPHRD_ASH, ARPHRD_ECONET, ARPHRD_IRDA, ARPHRD_FCPP, ARPHRD_FCAL, ARPHRD_FCPL, ARPHRD_FCFABRIC, ARPHRD_IEEE80211, ARPHRD_IEEE80211_PRISM, ARPHRD_IEEE80211_RADIOTAP, ARPHRD_PHONET, ARPHRD_PHONET_PIPE, ARPHRD_IEEE802154, ARPHRD_VOID, ARPHRD_NONE}; static const char *const netdev_lock_name[] = { "_xmit_NETROM", "_xmit_ETHER", "_xmit_EETHER", "_xmit_AX25", "_xmit_PRONET", "_xmit_CHAOS", "_xmit_IEEE802", "_xmit_ARCNET", "_xmit_APPLETLK", "_xmit_DLCI", "_xmit_ATM", "_xmit_METRICOM", "_xmit_IEEE1394", "_xmit_EUI64", "_xmit_INFINIBAND", "_xmit_SLIP", "_xmit_CSLIP", "_xmit_SLIP6", "_xmit_CSLIP6", "_xmit_RSRVD", "_xmit_ADAPT", "_xmit_ROSE", "_xmit_X25", "_xmit_HWX25", "_xmit_PPP", "_xmit_CISCO", "_xmit_LAPB", "_xmit_DDCMP", "_xmit_RAWHDLC", "_xmit_TUNNEL", "_xmit_TUNNEL6", "_xmit_FRAD", "_xmit_SKIP", "_xmit_LOOPBACK", "_xmit_LOCALTLK", "_xmit_FDDI", "_xmit_BIF", "_xmit_SIT", "_xmit_IPDDP", "_xmit_IPGRE", "_xmit_PIMREG", "_xmit_HIPPI", "_xmit_ASH", "_xmit_ECONET", "_xmit_IRDA", "_xmit_FCPP", "_xmit_FCAL", "_xmit_FCPL", "_xmit_FCFABRIC", "_xmit_IEEE80211", "_xmit_IEEE80211_PRISM", "_xmit_IEEE80211_RADIOTAP", "_xmit_PHONET", "_xmit_PHONET_PIPE", "_xmit_IEEE802154", "_xmit_VOID", "_xmit_NONE"}; static struct lock_class_key netdev_xmit_lock_key[ARRAY_SIZE(netdev_lock_type)]; static struct lock_class_key netdev_addr_lock_key[ARRAY_SIZE(netdev_lock_type)]; static inline unsigned short netdev_lock_pos(unsigned short dev_type) { int i; for (i = 0; i < ARRAY_SIZE(netdev_lock_type); i++) if (netdev_lock_type[i] == dev_type) return i; /* the last key is used by default */ return ARRAY_SIZE(netdev_lock_type) - 1; } static inline void netdev_set_xmit_lockdep_class(spinlock_t *lock, unsigned short dev_type) { int i; i = netdev_lock_pos(dev_type); lockdep_set_class_and_name(lock, &netdev_xmit_lock_key[i], netdev_lock_name[i]); } static inline void netdev_set_addr_lockdep_class(struct net_device *dev) { int i; i = netdev_lock_pos(dev->type); lockdep_set_class_and_name(&dev->addr_list_lock, &netdev_addr_lock_key[i], netdev_lock_name[i]); } #else static inline void netdev_set_xmit_lockdep_class(spinlock_t *lock, unsigned short dev_type) { } static inline void netdev_set_addr_lockdep_class(struct net_device *dev) { } #endif /******************************************************************************* * * Protocol management and registration routines * *******************************************************************************/ /* * Add a protocol ID to the list. Now that the input handler is * smarter we can dispense with all the messy stuff that used to be * here. * * BEWARE!!! Protocol handlers, mangling input packets, * MUST BE last in hash buckets and checking protocol handlers * MUST start from promiscuous ptype_all chain in net_bh. * It is true now, do not change it. * Explanation follows: if protocol handler, mangling packet, will * be the first on list, it is not able to sense, that packet * is cloned and should be copied-on-write, so that it will * change it and subsequent readers will get broken packet. * --ANK (980803) */ static inline struct list_head *ptype_head(const struct packet_type *pt) { if (pt->type == htons(ETH_P_ALL)) return pt->dev ? &pt->dev->ptype_all : &ptype_all; else return pt->dev ? &pt->dev->ptype_specific : &ptype_base[ntohs(pt->type) & PTYPE_HASH_MASK]; } /** * dev_add_pack - add packet handler * @pt: packet type declaration * * Add a protocol handler to the networking stack. The passed &packet_type * is linked into kernel lists and may not be freed until it has been * removed from the kernel lists. * * This call does not sleep therefore it can not * guarantee all CPU's that are in middle of receiving packets * will see the new packet type (until the next received packet). */ void dev_add_pack(struct packet_type *pt) { struct list_head *head = ptype_head(pt); spin_lock(&ptype_lock); list_add_rcu(&pt->list, head); spin_unlock(&ptype_lock); } EXPORT_SYMBOL(dev_add_pack); /** * __dev_remove_pack - remove packet handler * @pt: packet type declaration * * Remove a protocol handler that was previously added to the kernel * protocol handlers by dev_add_pack(). The passed &packet_type is removed * from the kernel lists and can be freed or reused once this function * returns. * * The packet type might still be in use by receivers * and must not be freed until after all the CPU's have gone * through a quiescent state. */ void __dev_remove_pack(struct packet_type *pt) { struct list_head *head = ptype_head(pt); struct packet_type *pt1; spin_lock(&ptype_lock); list_for_each_entry(pt1, head, list) { if (pt == pt1) { list_del_rcu(&pt->list); goto out; } } pr_warn("dev_remove_pack: %p not found\n", pt); out: spin_unlock(&ptype_lock); } EXPORT_SYMBOL(__dev_remove_pack); /** * dev_remove_pack - remove packet handler * @pt: packet type declaration * * Remove a protocol handler that was previously added to the kernel * protocol handlers by dev_add_pack(). The passed &packet_type is removed * from the kernel lists and can be freed or reused once this function * returns. * * This call sleeps to guarantee that no CPU is looking at the packet * type after return. */ void dev_remove_pack(struct packet_type *pt) { __dev_remove_pack(pt); synchronize_net(); } EXPORT_SYMBOL(dev_remove_pack); /** * dev_add_offload - register offload handlers * @po: protocol offload declaration * * Add protocol offload handlers to the networking stack. The passed * &proto_offload is linked into kernel lists and may not be freed until * it has been removed from the kernel lists. * * This call does not sleep therefore it can not * guarantee all CPU's that are in middle of receiving packets * will see the new offload handlers (until the next received packet). */ void dev_add_offload(struct packet_offload *po) { struct packet_offload *elem; spin_lock(&offload_lock); list_for_each_entry(elem, &offload_base, list) { if (po->priority < elem->priority) break; } list_add_rcu(&po->list, elem->list.prev); spin_unlock(&offload_lock); } EXPORT_SYMBOL(dev_add_offload); /** * __dev_remove_offload - remove offload handler * @po: packet offload declaration * * Remove a protocol offload handler that was previously added to the * kernel offload handlers by dev_add_offload(). The passed &offload_type * is removed from the kernel lists and can be freed or reused once this * function returns. * * The packet type might still be in use by receivers * and must not be freed until after all the CPU's have gone * through a quiescent state. */ static void __dev_remove_offload(struct packet_offload *po) { struct list_head *head = &offload_base; struct packet_offload *po1; spin_lock(&offload_lock); list_for_each_entry(po1, head, list) { if (po == po1) { list_del_rcu(&po->list); goto out; } } pr_warn("dev_remove_offload: %p not found\n", po); out: spin_unlock(&offload_lock); } /** * dev_remove_offload - remove packet offload handler * @po: packet offload declaration * * Remove a packet offload handler that was previously added to the kernel * offload handlers by dev_add_offload(). The passed &offload_type is * removed from the kernel lists and can be freed or reused once this * function returns. * * This call sleeps to guarantee that no CPU is looking at the packet * type after return. */ void dev_remove_offload(struct packet_offload *po) { __dev_remove_offload(po); synchronize_net(); } EXPORT_SYMBOL(dev_remove_offload); /****************************************************************************** * * Device Boot-time Settings Routines * ******************************************************************************/ /* Boot time configuration table */ static struct netdev_boot_setup dev_boot_setup[NETDEV_BOOT_SETUP_MAX]; /** * netdev_boot_setup_add - add new setup entry * @name: name of the device * @map: configured settings for the device * * Adds new setup entry to the dev_boot_setup list. The function * returns 0 on error and 1 on success. This is a generic routine to * all netdevices. */ static int netdev_boot_setup_add(char *name, struct ifmap *map) { struct netdev_boot_setup *s; int i; s = dev_boot_setup; for (i = 0; i < NETDEV_BOOT_SETUP_MAX; i++) { if (s[i].name[0] == '\0' || s[i].name[0] == ' ') { memset(s[i].name, 0, sizeof(s[i].name)); strlcpy(s[i].name, name, IFNAMSIZ); memcpy(&s[i].map, map, sizeof(s[i].map)); break; } } return i >= NETDEV_BOOT_SETUP_MAX ? 0 : 1; } /** * netdev_boot_setup_check - check boot time settings * @dev: the netdevice * * Check boot time settings for the device. * The found settings are set for the device to be used * later in the device probing. * Returns 0 if no settings found, 1 if they are. */ int netdev_boot_setup_check(struct net_device *dev) { struct netdev_boot_setup *s = dev_boot_setup; int i; for (i = 0; i < NETDEV_BOOT_SETUP_MAX; i++) { if (s[i].name[0] != '\0' && s[i].name[0] != ' ' && !strcmp(dev->name, s[i].name)) { dev->irq = s[i].map.irq; dev->base_addr = s[i].map.base_addr; dev->mem_start = s[i].map.mem_start; dev->mem_end = s[i].map.mem_end; return 1; } } return 0; } EXPORT_SYMBOL(netdev_boot_setup_check); /** * netdev_boot_base - get address from boot time settings * @prefix: prefix for network device * @unit: id for network device * * Check boot time settings for the base address of device. * The found settings are set for the device to be used * later in the device probing. * Returns 0 if no settings found. */ unsigned long netdev_boot_base(const char *prefix, int unit) { const struct netdev_boot_setup *s = dev_boot_setup; char name[IFNAMSIZ]; int i; sprintf(name, "%s%d", prefix, unit); /* * If device already registered then return base of 1 * to indicate not to probe for this interface */ if (__dev_get_by_name(&init_net, name)) return 1; for (i = 0; i < NETDEV_BOOT_SETUP_MAX; i++) if (!strcmp(name, s[i].name)) return s[i].map.base_addr; return 0; } /* * Saves at boot time configured settings for any netdevice. */ int __init netdev_boot_setup(char *str) { int ints[5]; struct ifmap map; str = get_options(str, ARRAY_SIZE(ints), ints); if (!str || !*str) return 0; /* Save settings */ memset(&map, 0, sizeof(map)); if (ints[0] > 0) map.irq = ints[1]; if (ints[0] > 1) map.base_addr = ints[2]; if (ints[0] > 2) map.mem_start = ints[3]; if (ints[0] > 3) map.mem_end = ints[4]; /* Add new entry to the list */ return netdev_boot_setup_add(str, &map); } __setup("netdev=", netdev_boot_setup); /******************************************************************************* * * Device Interface Subroutines * *******************************************************************************/ /** * dev_get_iflink - get 'iflink' value of a interface * @dev: targeted interface * * Indicates the ifindex the interface is linked to. * Physical interfaces have the same 'ifindex' and 'iflink' values. */ int dev_get_iflink(const struct net_device *dev) { if (dev->netdev_ops && dev->netdev_ops->ndo_get_iflink) return dev->netdev_ops->ndo_get_iflink(dev); return dev->ifindex; } EXPORT_SYMBOL(dev_get_iflink); /** * dev_fill_metadata_dst - Retrieve tunnel egress information. * @dev: targeted interface * @skb: The packet. * * For better visibility of tunnel traffic OVS needs to retrieve * egress tunnel information for a packet. Following API allows * user to get this info. */ int dev_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb) { struct ip_tunnel_info *info; if (!dev->netdev_ops || !dev->netdev_ops->ndo_fill_metadata_dst) return -EINVAL; info = skb_tunnel_info_unclone(skb); if (!info) return -ENOMEM; if (unlikely(!(info->mode & IP_TUNNEL_INFO_TX))) return -EINVAL; return dev->netdev_ops->ndo_fill_metadata_dst(dev, skb); } EXPORT_SYMBOL_GPL(dev_fill_metadata_dst); /** * __dev_get_by_name - find a device by its name * @net: the applicable net namespace * @name: name to find * * Find an interface by name. Must be called under RTNL semaphore * or @dev_base_lock. If the name is found a pointer to the device * is returned. If the name is not found then %NULL is returned. The * reference counters are not incremented so the caller must be * careful with locks. */ struct net_device *__dev_get_by_name(struct net *net, const char *name) { struct netdev_name_node *node_name; node_name = netdev_name_node_lookup(net, name); return node_name ? node_name->dev : NULL; } EXPORT_SYMBOL(__dev_get_by_name); /** * dev_get_by_name_rcu - find a device by its name * @net: the applicable net namespace * @name: name to find * * Find an interface by name. * If the name is found a pointer to the device is returned. * If the name is not found then %NULL is returned. * The reference counters are not incremented so the caller must be * careful with locks. The caller must hold RCU lock. */ struct net_device *dev_get_by_name_rcu(struct net *net, const char *name) { struct netdev_name_node *node_name; node_name = netdev_name_node_lookup_rcu(net, name); return node_name ? node_name->dev : NULL; } EXPORT_SYMBOL(dev_get_by_name_rcu); /** * dev_get_by_name - find a device by its name * @net: the applicable net namespace * @name: name to find * * Find an interface by name. This can be called from any * context and does its own locking. The returned handle has * the usage count incremented and the caller must use dev_put() to * release it when it is no longer needed. %NULL is returned if no * matching device is found. */ struct net_device *dev_get_by_name(struct net *net, const char *name) { struct net_device *dev; rcu_read_lock(); dev = dev_get_by_name_rcu(net, name); if (dev) dev_hold(dev); rcu_read_unlock(); return dev; } EXPORT_SYMBOL(dev_get_by_name); /** * __dev_get_by_index - find a device by its ifindex * @net: the applicable net namespace * @ifindex: index of device * * Search for an interface by index. Returns %NULL if the device * is not found or a pointer to the device. The device has not * had its reference counter increased so the caller must be careful * about locking. The caller must hold either the RTNL semaphore * or @dev_base_lock. */ struct net_device *__dev_get_by_index(struct net *net, int ifindex) { struct net_device *dev; struct hlist_head *head = dev_index_hash(net, ifindex); hlist_for_each_entry(dev, head, index_hlist) if (dev->ifindex == ifindex) return dev; return NULL; } EXPORT_SYMBOL(__dev_get_by_index); /** * dev_get_by_index_rcu - find a device by its ifindex * @net: the applicable net namespace * @ifindex: index of device * * Search for an interface by index. Returns %NULL if the device * is not found or a pointer to the device. The device has not * had its reference counter increased so the caller must be careful * about locking. The caller must hold RCU lock. */ struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex) { struct net_device *dev; struct hlist_head *head = dev_index_hash(net, ifindex); hlist_for_each_entry_rcu(dev, head, index_hlist) if (dev->ifindex == ifindex) return dev; return NULL; } EXPORT_SYMBOL(dev_get_by_index_rcu); /** * dev_get_by_index - find a device by its ifindex * @net: the applicable net namespace * @ifindex: index of device * * Search for an interface by index. Returns NULL if the device * is not found or a pointer to the device. The device returned has * had a reference added and the pointer is safe until the user calls * dev_put to indicate they have finished with it. */ struct net_device *dev_get_by_index(struct net *net, int ifindex) { struct net_device *dev; rcu_read_lock(); dev = dev_get_by_index_rcu(net, ifindex); if (dev) dev_hold(dev); rcu_read_unlock(); return dev; } EXPORT_SYMBOL(dev_get_by_index); /** * dev_get_by_napi_id - find a device by napi_id * @napi_id: ID of the NAPI struct * * Search for an interface by NAPI ID. Returns %NULL if the device * is not found or a pointer to the device. The device has not had * its reference counter increased so the caller must be careful * about locking. The caller must hold RCU lock. */ struct net_device *dev_get_by_napi_id(unsigned int napi_id) { struct napi_struct *napi; WARN_ON_ONCE(!rcu_read_lock_held()); if (napi_id < MIN_NAPI_ID) return NULL; napi = napi_by_id(napi_id); return napi ? napi->dev : NULL; } EXPORT_SYMBOL(dev_get_by_napi_id); /** * netdev_get_name - get a netdevice name, knowing its ifindex. * @net: network namespace * @name: a pointer to the buffer where the name will be stored. * @ifindex: the ifindex of the interface to get the name from. */ int netdev_get_name(struct net *net, char *name, int ifindex) { struct net_device *dev; int ret; down_read(&devnet_rename_sem); rcu_read_lock(); dev = dev_get_by_index_rcu(net, ifindex); if (!dev) { ret = -ENODEV; goto out; } strcpy(name, dev->name); ret = 0; out: rcu_read_unlock(); up_read(&devnet_rename_sem); return ret; } /** * dev_getbyhwaddr_rcu - find a device by its hardware address * @net: the applicable net namespace * @type: media type of device * @ha: hardware address * * Search for an interface by MAC address. Returns NULL if the device * is not found or a pointer to the device. * The caller must hold RCU or RTNL. * The returned device has not had its ref count increased * and the caller must therefore be careful about locking * */ struct net_device *dev_getbyhwaddr_rcu(struct net *net, unsigned short type, const char *ha) { struct net_device *dev; for_each_netdev_rcu(net, dev) if (dev->type == type && !memcmp(dev->dev_addr, ha, dev->addr_len)) return dev; return NULL; } EXPORT_SYMBOL(dev_getbyhwaddr_rcu); struct net_device *__dev_getfirstbyhwtype(struct net *net, unsigned short type) { struct net_device *dev; ASSERT_RTNL(); for_each_netdev(net, dev) if (dev->type == type) return dev; return NULL; } EXPORT_SYMBOL(__dev_getfirstbyhwtype); struct net_device *dev_getfirstbyhwtype(struct net *net, unsigned short type) { struct net_device *dev, *ret = NULL; rcu_read_lock(); for_each_netdev_rcu(net, dev) if (dev->type == type) { dev_hold(dev); ret = dev; break; } rcu_read_unlock(); return ret; } EXPORT_SYMBOL(dev_getfirstbyhwtype); /** * __dev_get_by_flags - find any device with given flags * @net: the applicable net namespace * @if_flags: IFF_* values * @mask: bitmask of bits in if_flags to check * * Search for any interface with the given flags. Returns NULL if a device * is not found or a pointer to the device. Must be called inside * rtnl_lock(), and result refcount is unchanged. */ struct net_device *__dev_get_by_flags(struct net *net, unsigned short if_flags, unsigned short mask) { struct net_device *dev, *ret; ASSERT_RTNL(); ret = NULL; for_each_netdev(net, dev) { if (((dev->flags ^ if_flags) & mask) == 0) { ret = dev; break; } } return ret; } EXPORT_SYMBOL(__dev_get_by_flags); /** * dev_valid_name - check if name is okay for network device * @name: name string * * Network device names need to be valid file names to * allow sysfs to work. We also disallow any kind of * whitespace. */ bool dev_valid_name(const char *name) { if (*name == '\0') return false; if (strnlen(name, IFNAMSIZ) == IFNAMSIZ) return false; if (!strcmp(name, ".") || !strcmp(name, "..")) return false; while (*name) { if (*name == '/' || *name == ':' || isspace(*name)) return false; name++; } return true; } EXPORT_SYMBOL(dev_valid_name); /** * __dev_alloc_name - allocate a name for a device * @net: network namespace to allocate the device name in * @name: name format string * @buf: scratch buffer and result name string * * Passed a format string - eg "lt%d" it will try and find a suitable * id. It scans list of devices to build up a free map, then chooses * the first empty slot. The caller must hold the dev_base or rtnl lock * while allocating the name and adding the device in order to avoid * duplicates. * Limited to bits_per_byte * page size devices (ie 32K on most platforms). * Returns the number of the unit assigned or a negative errno code. */ static int __dev_alloc_name(struct net *net, const char *name, char *buf) { int i = 0; const char *p; const int max_netdevices = 8*PAGE_SIZE; unsigned long *inuse; struct net_device *d; if (!dev_valid_name(name)) return -EINVAL; p = strchr(name, '%'); if (p) { /* * Verify the string as this thing may have come from * the user. There must be either one "%d" and no other "%" * characters. */ if (p[1] != 'd' || strchr(p + 2, '%')) return -EINVAL; /* Use one page as a bit array of possible slots */ inuse = (unsigned long *) get_zeroed_page(GFP_ATOMIC); if (!inuse) return -ENOMEM; for_each_netdev(net, d) { struct netdev_name_node *name_node; list_for_each_entry(name_node, &d->name_node->list, list) { if (!sscanf(name_node->name, name, &i)) continue; if (i < 0 || i >= max_netdevices) continue; /* avoid cases where sscanf is not exact inverse of printf */ snprintf(buf, IFNAMSIZ, name, i); if (!strncmp(buf, name_node->name, IFNAMSIZ)) set_bit(i, inuse); } if (!sscanf(d->name, name, &i)) continue; if (i < 0 || i >= max_netdevices) continue; /* avoid cases where sscanf is not exact inverse of printf */ snprintf(buf, IFNAMSIZ, name, i); if (!strncmp(buf, d->name, IFNAMSIZ)) set_bit(i, inuse); } i = find_first_zero_bit(inuse, max_netdevices); free_page((unsigned long) inuse); } snprintf(buf, IFNAMSIZ, name, i); if (!__dev_get_by_name(net, buf)) return i; /* It is possible to run out of possible slots * when the name is long and there isn't enough space left * for the digits, or if all bits are used. */ return -ENFILE; } static int dev_alloc_name_ns(struct net *net, struct net_device *dev, const char *name) { char buf[IFNAMSIZ]; int ret; BUG_ON(!net); ret = __dev_alloc_name(net, name, buf); if (ret >= 0) strlcpy(dev->name, buf, IFNAMSIZ); return ret; } /** * dev_alloc_name - allocate a name for a device * @dev: device * @name: name format string * * Passed a format string - eg "lt%d" it will try and find a suitable * id. It scans list of devices to build up a free map, then chooses * the first empty slot. The caller must hold the dev_base or rtnl lock * while allocating the name and adding the device in order to avoid * duplicates. * Limited to bits_per_byte * page size devices (ie 32K on most platforms). * Returns the number of the unit assigned or a negative errno code. */ int dev_alloc_name(struct net_device *dev, const char *name) { return dev_alloc_name_ns(dev_net(dev), dev, name); } EXPORT_SYMBOL(dev_alloc_name); static int dev_get_valid_name(struct net *net, struct net_device *dev, const char *name) { BUG_ON(!net); if (!dev_valid_name(name)) return -EINVAL; if (strchr(name, '%')) return dev_alloc_name_ns(net, dev, name); else if (__dev_get_by_name(net, name)) return -EEXIST; else if (dev->name != name) strlcpy(dev->name, name, IFNAMSIZ); return 0; } /** * dev_change_name - change name of a device * @dev: device * @newname: name (or format string) must be at least IFNAMSIZ * * Change name of a device, can pass format strings "eth%d". * for wildcarding. */ int dev_change_name(struct net_device *dev, const char *newname) { unsigned char old_assign_type; char oldname[IFNAMSIZ]; int err = 0; int ret; struct net *net; ASSERT_RTNL(); BUG_ON(!dev_net(dev)); net = dev_net(dev); /* Some auto-enslaved devices e.g. failover slaves are * special, as userspace might rename the device after * the interface had been brought up and running since * the point kernel initiated auto-enslavement. Allow * live name change even when these slave devices are * up and running. * * Typically, users of these auto-enslaving devices * don't actually care about slave name change, as * they are supposed to operate on master interface * directly. */ if (dev->flags & IFF_UP && likely(!(dev->priv_flags & IFF_LIVE_RENAME_OK))) return -EBUSY; down_write(&devnet_rename_sem); if (strncmp(newname, dev->name, IFNAMSIZ) == 0) { up_write(&devnet_rename_sem); return 0; } memcpy(oldname, dev->name, IFNAMSIZ); err = dev_get_valid_name(net, dev, newname); if (err < 0) { up_write(&devnet_rename_sem); return err; } if (oldname[0] && !strchr(oldname, '%')) netdev_info(dev, "renamed from %s\n", oldname); old_assign_type = dev->name_assign_type; dev->name_assign_type = NET_NAME_RENAMED; rollback: ret = device_rename(&dev->dev, dev->name); if (ret) { memcpy(dev->name, oldname, IFNAMSIZ); dev->name_assign_type = old_assign_type; up_write(&devnet_rename_sem); return ret; } up_write(&devnet_rename_sem); netdev_adjacent_rename_links(dev, oldname); write_lock_bh(&dev_base_lock); netdev_name_node_del(dev->name_node); write_unlock_bh(&dev_base_lock); synchronize_rcu(); write_lock_bh(&dev_base_lock); netdev_name_node_add(net, dev->name_node); write_unlock_bh(&dev_base_lock); ret = call_netdevice_notifiers(NETDEV_CHANGENAME, dev); ret = notifier_to_errno(ret); if (ret) { /* err >= 0 after dev_alloc_name() or stores the first errno */ if (err >= 0) { err = ret; down_write(&devnet_rename_sem); memcpy(dev->name, oldname, IFNAMSIZ); memcpy(oldname, newname, IFNAMSIZ); dev->name_assign_type = old_assign_type; old_assign_type = NET_NAME_RENAMED; goto rollback; } else { pr_err("%s: name change rollback failed: %d\n", dev->name, ret); } } return err; } /** * dev_set_alias - change ifalias of a device * @dev: device * @alias: name up to IFALIASZ * @len: limit of bytes to copy from info * * Set ifalias for a device, */ int dev_set_alias(struct net_device *dev, const char *alias, size_t len) { struct dev_ifalias *new_alias = NULL; if (len >= IFALIASZ) return -EINVAL; if (len) { new_alias = kmalloc(sizeof(*new_alias) + len + 1, GFP_KERNEL); if (!new_alias) return -ENOMEM; memcpy(new_alias->ifalias, alias, len); new_alias->ifalias[len] = 0; } mutex_lock(&ifalias_mutex); new_alias = rcu_replace_pointer(dev->ifalias, new_alias, mutex_is_locked(&ifalias_mutex)); mutex_unlock(&ifalias_mutex); if (new_alias) kfree_rcu(new_alias, rcuhead); return len; } EXPORT_SYMBOL(dev_set_alias); /** * dev_get_alias - get ifalias of a device * @dev: device * @name: buffer to store name of ifalias * @len: size of buffer * * get ifalias for a device. Caller must make sure dev cannot go * away, e.g. rcu read lock or own a reference count to device. */ int dev_get_alias(const struct net_device *dev, char *name, size_t len) { const struct dev_ifalias *alias; int ret = 0; rcu_read_lock(); alias = rcu_dereference(dev->ifalias); if (alias) ret = snprintf(name, len, "%s", alias->ifalias); rcu_read_unlock(); return ret; } /** * netdev_features_change - device changes features * @dev: device to cause notification * * Called to indicate a device has changed features. */ void netdev_features_change(struct net_device *dev) { call_netdevice_notifiers(NETDEV_FEAT_CHANGE, dev); } EXPORT_SYMBOL(netdev_features_change); /** * netdev_state_change - device changes state * @dev: device to cause notification * * Called to indicate a device has changed state. This function calls * the notifier chains for netdev_chain and sends a NEWLINK message * to the routing socket. */ void netdev_state_change(struct net_device *dev) { if (dev->flags & IFF_UP) { struct netdev_notifier_change_info change_info = { .info.dev = dev, }; call_netdevice_notifiers_info(NETDEV_CHANGE, &change_info.info); rtmsg_ifinfo(RTM_NEWLINK, dev, 0, GFP_KERNEL); } } EXPORT_SYMBOL(netdev_state_change); /** * netdev_notify_peers - notify network peers about existence of @dev * @dev: network device * * Generate traffic such that interested network peers are aware of * @dev, such as by generating a gratuitous ARP. This may be used when * a device wants to inform the rest of the network about some sort of * reconfiguration such as a failover event or virtual machine * migration. */ void netdev_notify_peers(struct net_device *dev) { rtnl_lock(); call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, dev); call_netdevice_notifiers(NETDEV_RESEND_IGMP, dev); rtnl_unlock(); } EXPORT_SYMBOL(netdev_notify_peers); static int __dev_open(struct net_device *dev, struct netlink_ext_ack *extack) { const struct net_device_ops *ops = dev->netdev_ops; int ret; ASSERT_RTNL(); if (!netif_device_present(dev)) { /* may be detached because parent is runtime-suspended */ if (dev->dev.parent) pm_runtime_resume(dev->dev.parent); if (!netif_device_present(dev)) return -ENODEV; } /* Block netpoll from trying to do any rx path servicing. * If we don't do this there is a chance ndo_poll_controller * or ndo_poll may be running while we open the device */ netpoll_poll_disable(dev); ret = call_netdevice_notifiers_extack(NETDEV_PRE_UP, dev, extack); ret = notifier_to_errno(ret); if (ret) return ret; set_bit(__LINK_STATE_START, &dev->state); if (ops->ndo_validate_addr) ret = ops->ndo_validate_addr(dev); if (!ret && ops->ndo_open) ret = ops->ndo_open(dev); netpoll_poll_enable(dev); if (ret) clear_bit(__LINK_STATE_START, &dev->state); else { dev->flags |= IFF_UP; dev_set_rx_mode(dev); dev_activate(dev); add_device_randomness(dev->dev_addr, dev->addr_len); } return ret; } /** * dev_open - prepare an interface for use. * @dev: device to open * @extack: netlink extended ack * * Takes a device from down to up state. The device's private open * function is invoked and then the multicast lists are loaded. Finally * the device is moved into the up state and a %NETDEV_UP message is * sent to the netdev notifier chain. * * Calling this function on an active interface is a nop. On a failure * a negative errno code is returned. */ int dev_open(struct net_device *dev, struct netlink_ext_ack *extack) { int ret; if (dev->flags & IFF_UP) return 0; ret = __dev_open(dev, extack); if (ret < 0) return ret; rtmsg_ifinfo(RTM_NEWLINK, dev, IFF_UP|IFF_RUNNING, GFP_KERNEL); call_netdevice_notifiers(NETDEV_UP, dev); return ret; } EXPORT_SYMBOL(dev_open); static void __dev_close_many(struct list_head *head) { struct net_device *dev; ASSERT_RTNL(); might_sleep(); list_for_each_entry(dev, head, close_list) { /* Temporarily disable netpoll until the interface is down */ netpoll_poll_disable(dev); call_netdevice_notifiers(NETDEV_GOING_DOWN, dev); clear_bit(__LINK_STATE_START, &dev->state); /* Synchronize to scheduled poll. We cannot touch poll list, it * can be even on different cpu. So just clear netif_running(). * * dev->stop() will invoke napi_disable() on all of it's * napi_struct instances on this device. */ smp_mb__after_atomic(); /* Commit netif_running(). */ } dev_deactivate_many(head); list_for_each_entry(dev, head, close_list) { const struct net_device_ops *ops = dev->netdev_ops; /* * Call the device specific close. This cannot fail. * Only if device is UP * * We allow it to be called even after a DETACH hot-plug * event. */ if (ops->ndo_stop) ops->ndo_stop(dev); dev->flags &= ~IFF_UP; netpoll_poll_enable(dev); } } static void __dev_close(struct net_device *dev) { LIST_HEAD(single); list_add(&dev->close_list, &single); __dev_close_many(&single); list_del(&single); } void dev_close_many(struct list_head *head, bool unlink) { struct net_device *dev, *tmp; /* Remove the devices that don't need to be closed */ list_for_each_entry_safe(dev, tmp, head, close_list) if (!(dev->flags & IFF_UP)) list_del_init(&dev->close_list); __dev_close_many(head); list_for_each_entry_safe(dev, tmp, head, close_list) { rtmsg_ifinfo(RTM_NEWLINK, dev, IFF_UP|IFF_RUNNING, GFP_KERNEL); call_netdevice_notifiers(NETDEV_DOWN, dev); if (unlink) list_del_init(&dev->close_list); } } EXPORT_SYMBOL(dev_close_many); /** * dev_close - shutdown an interface. * @dev: device to shutdown * * This function moves an active device into down state. A * %NETDEV_GOING_DOWN is sent to the netdev notifier chain. The device * is then deactivated and finally a %NETDEV_DOWN is sent to the notifier * chain. */ void dev_close(struct net_device *dev) { if (dev->flags & IFF_UP) { LIST_HEAD(single); list_add(&dev->close_list, &single); dev_close_many(&single, true); list_del(&single); } } EXPORT_SYMBOL(dev_close); /** * dev_disable_lro - disable Large Receive Offload on a device * @dev: device * * Disable Large Receive Offload (LRO) on a net device. Must be * called under RTNL. This is needed if received packets may be * forwarded to another interface. */ void dev_disable_lro(struct net_device *dev) { struct net_device *lower_dev; struct list_head *iter; dev->wanted_features &= ~NETIF_F_LRO; netdev_update_features(dev); if (unlikely(dev->features & NETIF_F_LRO)) netdev_WARN(dev, "failed to disable LRO!\n"); netdev_for_each_lower_dev(dev, lower_dev, iter) dev_disable_lro(lower_dev); } EXPORT_SYMBOL(dev_disable_lro); /** * dev_disable_gro_hw - disable HW Generic Receive Offload on a device * @dev: device * * Disable HW Generic Receive Offload (GRO_HW) on a net device. Must be * called under RTNL. This is needed if Generic XDP is installed on * the device. */ static void dev_disable_gro_hw(struct net_device *dev) { dev->wanted_features &= ~NETIF_F_GRO_HW; netdev_update_features(dev); if (unlikely(dev->features & NETIF_F_GRO_HW)) netdev_WARN(dev, "failed to disable GRO_HW!\n"); } const char *netdev_cmd_to_name(enum netdev_cmd cmd) { #define N(val) \ case NETDEV_##val: \ return "NETDEV_" __stringify(val); switch (cmd) { N(UP) N(DOWN) N(REBOOT) N(CHANGE) N(REGISTER) N(UNREGISTER) N(CHANGEMTU) N(CHANGEADDR) N(GOING_DOWN) N(CHANGENAME) N(FEAT_CHANGE) N(BONDING_FAILOVER) N(PRE_UP) N(PRE_TYPE_CHANGE) N(POST_TYPE_CHANGE) N(POST_INIT) N(RELEASE) N(NOTIFY_PEERS) N(JOIN) N(CHANGEUPPER) N(RESEND_IGMP) N(PRECHANGEMTU) N(CHANGEINFODATA) N(BONDING_INFO) N(PRECHANGEUPPER) N(CHANGELOWERSTATE) N(UDP_TUNNEL_PUSH_INFO) N(UDP_TUNNEL_DROP_INFO) N(CHANGE_TX_QUEUE_LEN) N(CVLAN_FILTER_PUSH_INFO) N(CVLAN_FILTER_DROP_INFO) N(SVLAN_FILTER_PUSH_INFO) N(SVLAN_FILTER_DROP_INFO) N(PRE_CHANGEADDR) } #undef N return "UNKNOWN_NETDEV_EVENT"; } EXPORT_SYMBOL_GPL(netdev_cmd_to_name); static int call_netdevice_notifier(struct notifier_block *nb, unsigned long val, struct net_device *dev) { struct netdev_notifier_info info = { .dev = dev, }; return nb->notifier_call(nb, val, &info); } static int call_netdevice_register_notifiers(struct notifier_block *nb, struct net_device *dev) { int err; err = call_netdevice_notifier(nb, NETDEV_REGISTER, dev); err = notifier_to_errno(err); if (err) return err; if (!(dev->flags & IFF_UP)) return 0; call_netdevice_notifier(nb, NETDEV_UP, dev); return 0; } static void call_netdevice_unregister_notifiers(struct notifier_block *nb, struct net_device *dev) { if (dev->flags & IFF_UP) { call_netdevice_notifier(nb, NETDEV_GOING_DOWN, dev); call_netdevice_notifier(nb, NETDEV_DOWN, dev); } call_netdevice_notifier(nb, NETDEV_UNREGISTER, dev); } static int call_netdevice_register_net_notifiers(struct notifier_block *nb, struct net *net) { struct net_device *dev; int err; for_each_netdev(net, dev) { err = call_netdevice_register_notifiers(nb, dev); if (err) goto rollback; } return 0; rollback: for_each_netdev_continue_reverse(net, dev) call_netdevice_unregister_notifiers(nb, dev); return err; } static void call_netdevice_unregister_net_notifiers(struct notifier_block *nb, struct net *net) { struct net_device *dev; for_each_netdev(net, dev) call_netdevice_unregister_notifiers(nb, dev); } static int dev_boot_phase = 1; /** * register_netdevice_notifier - register a network notifier block * @nb: notifier * * Register a notifier to be called when network device events occur. * The notifier passed is linked into the kernel structures and must * not be reused until it has been unregistered. A negative errno code * is returned on a failure. * * When registered all registration and up events are replayed * to the new notifier to allow device to have a race free * view of the network device list. */ int register_netdevice_notifier(struct notifier_block *nb) { struct net *net; int err; /* Close race with setup_net() and cleanup_net() */ down_write(&pernet_ops_rwsem); rtnl_lock(); err = raw_notifier_chain_register(&netdev_chain, nb); if (err) goto unlock; if (dev_boot_phase) goto unlock; for_each_net(net) { err = call_netdevice_register_net_notifiers(nb, net); if (err) goto rollback; } unlock: rtnl_unlock(); up_write(&pernet_ops_rwsem); return err; rollback: for_each_net_continue_reverse(net) call_netdevice_unregister_net_notifiers(nb, net); raw_notifier_chain_unregister(&netdev_chain, nb); goto unlock; } EXPORT_SYMBOL(register_netdevice_notifier); /** * unregister_netdevice_notifier - unregister a network notifier block * @nb: notifier * * Unregister a notifier previously registered by * register_netdevice_notifier(). The notifier is unlinked into the * kernel structures and may then be reused. A negative errno code * is returned on a failure. * * After unregistering unregister and down device events are synthesized * for all devices on the device list to the removed notifier to remove * the need for special case cleanup code. */ int unregister_netdevice_notifier(struct notifier_block *nb) { struct net *net; int err; /* Close race with setup_net() and cleanup_net() */ down_write(&pernet_ops_rwsem); rtnl_lock(); err = raw_notifier_chain_unregister(&netdev_chain, nb); if (err) goto unlock; for_each_net(net) call_netdevice_unregister_net_notifiers(nb, net); unlock: rtnl_unlock(); up_write(&pernet_ops_rwsem); return err; } EXPORT_SYMBOL(unregister_netdevice_notifier); static int __register_netdevice_notifier_net(struct net *net, struct notifier_block *nb, bool ignore_call_fail) { int err; err = raw_notifier_chain_register(&net->netdev_chain, nb); if (err) return err; if (dev_boot_phase) return 0; err = call_netdevice_register_net_notifiers(nb, net); if (err && !ignore_call_fail) goto chain_unregister; return 0; chain_unregister: raw_notifier_chain_unregister(&net->netdev_chain, nb); return err; } static int __unregister_netdevice_notifier_net(struct net *net, struct notifier_block *nb) { int err; err = raw_notifier_chain_unregister(&net->netdev_chain, nb); if (err) return err; call_netdevice_unregister_net_notifiers(nb, net); return 0; } /** * register_netdevice_notifier_net - register a per-netns network notifier block * @net: network namespace * @nb: notifier * * Register a notifier to be called when network device events occur. * The notifier passed is linked into the kernel structures and must * not be reused until it has been unregistered. A negative errno code * is returned on a failure. * * When registered all registration and up events are replayed * to the new notifier to allow device to have a race free * view of the network device list. */ int register_netdevice_notifier_net(struct net *net, struct notifier_block *nb) { int err; rtnl_lock(); err = __register_netdevice_notifier_net(net, nb, false); rtnl_unlock(); return err; } EXPORT_SYMBOL(register_netdevice_notifier_net); /** * unregister_netdevice_notifier_net - unregister a per-netns * network notifier block * @net: network namespace * @nb: notifier * * Unregister a notifier previously registered by * register_netdevice_notifier(). The notifier is unlinked into the * kernel structures and may then be reused. A negative errno code * is returned on a failure. * * After unregistering unregister and down device events are synthesized * for all devices on the device list to the removed notifier to remove * the need for special case cleanup code. */ int unregister_netdevice_notifier_net(struct net *net, struct notifier_block *nb) { int err; rtnl_lock(); err = __unregister_netdevice_notifier_net(net, nb); rtnl_unlock(); return err; } EXPORT_SYMBOL(unregister_netdevice_notifier_net); int register_netdevice_notifier_dev_net(struct net_device *dev, struct notifier_block *nb, struct netdev_net_notifier *nn) { int err; rtnl_lock(); err = __register_netdevice_notifier_net(dev_net(dev), nb, false); if (!err) { nn->nb = nb; list_add(&nn->list, &dev->net_notifier_list); } rtnl_unlock(); return err; } EXPORT_SYMBOL(register_netdevice_notifier_dev_net); int unregister_netdevice_notifier_dev_net(struct net_device *dev, struct notifier_block *nb, struct netdev_net_notifier *nn) { int err; rtnl_lock(); list_del(&nn->list); err = __unregister_netdevice_notifier_net(dev_net(dev), nb); rtnl_unlock(); return err; } EXPORT_SYMBOL(unregister_netdevice_notifier_dev_net); static void move_netdevice_notifiers_dev_net(struct net_device *dev, struct net *net) { struct netdev_net_notifier *nn; list_for_each_entry(nn, &dev->net_notifier_list, list) { __unregister_netdevice_notifier_net(dev_net(dev), nn->nb); __register_netdevice_notifier_net(net, nn->nb, true); } } /** * call_netdevice_notifiers_info - call all network notifier blocks * @val: value passed unmodified to notifier function * @info: notifier information data * * Call all network notifier blocks. Parameters and return value * are as for raw_notifier_call_chain(). */ static int call_netdevice_notifiers_info(unsigned long val, struct netdev_notifier_info *info) { struct net *net = dev_net(info->dev); int ret; ASSERT_RTNL(); /* Run per-netns notifier block chain first, then run the global one. * Hopefully, one day, the global one is going to be removed after * all notifier block registrators get converted to be per-netns. */ ret = raw_notifier_call_chain(&net->netdev_chain, val, info); if (ret & NOTIFY_STOP_MASK) return ret; return raw_notifier_call_chain(&netdev_chain, val, info); } static int call_netdevice_notifiers_extack(unsigned long val, struct net_device *dev, struct netlink_ext_ack *extack) { struct netdev_notifier_info info = { .dev = dev, .extack = extack, }; return call_netdevice_notifiers_info(val, &info); } /** * call_netdevice_notifiers - call all network notifier blocks * @val: value passed unmodified to notifier function * @dev: net_device pointer passed unmodified to notifier function * * Call all network notifier blocks. Parameters and return value * are as for raw_notifier_call_chain(). */ int call_netdevice_notifiers(unsigned long val, struct net_device *dev) { return call_netdevice_notifiers_extack(val, dev, NULL); } EXPORT_SYMBOL(call_netdevice_notifiers); /** * call_netdevice_notifiers_mtu - call all network notifier blocks * @val: value passed unmodified to notifier function * @dev: net_device pointer passed unmodified to notifier function * @arg: additional u32 argument passed to the notifier function * * Call all network notifier blocks. Parameters and return value * are as for raw_notifier_call_chain(). */ static int call_netdevice_notifiers_mtu(unsigned long val, struct net_device *dev, u32 arg) { struct netdev_notifier_info_ext info = { .info.dev = dev, .ext.mtu = arg, }; BUILD_BUG_ON(offsetof(struct netdev_notifier_info_ext, info) != 0); return call_netdevice_notifiers_info(val, &info.info); } #ifdef CONFIG_NET_INGRESS static DEFINE_STATIC_KEY_FALSE(ingress_needed_key); void net_inc_ingress_queue(void) { static_branch_inc(&ingress_needed_key); } EXPORT_SYMBOL_GPL(net_inc_ingress_queue); void net_dec_ingress_queue(void) { static_branch_dec(&ingress_needed_key); } EXPORT_SYMBOL_GPL(net_dec_ingress_queue); #endif #ifdef CONFIG_NET_EGRESS static DEFINE_STATIC_KEY_FALSE(egress_needed_key); void net_inc_egress_queue(void) { static_branch_inc(&egress_needed_key); } EXPORT_SYMBOL_GPL(net_inc_egress_queue); void net_dec_egress_queue(void) { static_branch_dec(&egress_needed_key); } EXPORT_SYMBOL_GPL(net_dec_egress_queue); #endif static DEFINE_STATIC_KEY_FALSE(netstamp_needed_key); #ifdef CONFIG_JUMP_LABEL static atomic_t netstamp_needed_deferred; static atomic_t netstamp_wanted; static void netstamp_clear(struct work_struct *work) { int deferred = atomic_xchg(&netstamp_needed_deferred, 0); int wanted; wanted = atomic_add_return(deferred, &netstamp_wanted); if (wanted > 0) static_branch_enable(&netstamp_needed_key); else static_branch_disable(&netstamp_needed_key); } static DECLARE_WORK(netstamp_work, netstamp_clear); #endif void net_enable_timestamp(void) { #ifdef CONFIG_JUMP_LABEL int wanted; while (1) { wanted = atomic_read(&netstamp_wanted); if (wanted <= 0) break; if (atomic_cmpxchg(&netstamp_wanted, wanted, wanted + 1) == wanted) return; } atomic_inc(&netstamp_needed_deferred); schedule_work(&netstamp_work); #else static_branch_inc(&netstamp_needed_key); #endif } EXPORT_SYMBOL(net_enable_timestamp); void net_disable_timestamp(void) { #ifdef CONFIG_JUMP_LABEL int wanted; while (1) { wanted = atomic_read(&netstamp_wanted); if (wanted <= 1) break; if (atomic_cmpxchg(&netstamp_wanted, wanted, wanted - 1) == wanted) return; } atomic_dec(&netstamp_needed_deferred); schedule_work(&netstamp_work); #else static_branch_dec(&netstamp_needed_key); #endif } EXPORT_SYMBOL(net_disable_timestamp); static inline void net_timestamp_set(struct sk_buff *skb) { skb->tstamp = 0; if (static_branch_unlikely(&netstamp_needed_key)) __net_timestamp(skb); } #define net_timestamp_check(COND, SKB) \ if (static_branch_unlikely(&netstamp_needed_key)) { \ if ((COND) && !(SKB)->tstamp) \ __net_timestamp(SKB); \ } \ bool is_skb_forwardable(const struct net_device *dev, const struct sk_buff *skb) { unsigned int len; if (!(dev->flags & IFF_UP)) return false; len = dev->mtu + dev->hard_header_len + VLAN_HLEN; if (skb->len <= len) return true; /* if TSO is enabled, we don't care about the length as the packet * could be forwarded without being segmented before */ if (skb_is_gso(skb)) return true; return false; } EXPORT_SYMBOL_GPL(is_skb_forwardable); int __dev_forward_skb(struct net_device *dev, struct sk_buff *skb) { int ret = ____dev_forward_skb(dev, skb); if (likely(!ret)) { skb->protocol = eth_type_trans(skb, dev); skb_postpull_rcsum(skb, eth_hdr(skb), ETH_HLEN); } return ret; } EXPORT_SYMBOL_GPL(__dev_forward_skb); /** * dev_forward_skb - loopback an skb to another netif * * @dev: destination network device * @skb: buffer to forward * * return values: * NET_RX_SUCCESS (no congestion) * NET_RX_DROP (packet was dropped, but freed) * * dev_forward_skb can be used for injecting an skb from the * start_xmit function of one device into the receive queue * of another device. * * The receiving device may be in another namespace, so * we have to clear all information in the skb that could * impact namespace isolation. */ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb) { return __dev_forward_skb(dev, skb) ?: netif_rx_internal(skb); } EXPORT_SYMBOL_GPL(dev_forward_skb); static inline int deliver_skb(struct sk_buff *skb, struct packet_type *pt_prev, struct net_device *orig_dev) { if (unlikely(skb_orphan_frags_rx(skb, GFP_ATOMIC))) return -ENOMEM; refcount_inc(&skb->users); return pt_prev->func(skb, skb->dev, pt_prev, orig_dev); } static inline void deliver_ptype_list_skb(struct sk_buff *skb, struct packet_type **pt, struct net_device *orig_dev, __be16 type, struct list_head *ptype_list) { struct packet_type *ptype, *pt_prev = *pt; list_for_each_entry_rcu(ptype, ptype_list, list) { if (ptype->type != type) continue; if (pt_prev) deliver_skb(skb, pt_prev, orig_dev); pt_prev = ptype; } *pt = pt_prev; } static inline bool skb_loop_sk(struct packet_type *ptype, struct sk_buff *skb) { if (!ptype->af_packet_priv || !skb->sk) return false; if (ptype->id_match) return ptype->id_match(ptype, skb->sk); else if ((struct sock *)ptype->af_packet_priv == skb->sk) return true; return false; } /** * dev_nit_active - return true if any network interface taps are in use * * @dev: network device to check for the presence of taps */ bool dev_nit_active(struct net_device *dev) { return !list_empty(&ptype_all) || !list_empty(&dev->ptype_all); } EXPORT_SYMBOL_GPL(dev_nit_active); /* * Support routine. Sends outgoing frames to any network * taps currently in use. */ void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev) { struct packet_type *ptype; struct sk_buff *skb2 = NULL; struct packet_type *pt_prev = NULL; struct list_head *ptype_list = &ptype_all; rcu_read_lock(); again: list_for_each_entry_rcu(ptype, ptype_list, list) { if (ptype->ignore_outgoing) continue; /* Never send packets back to the socket * they originated from - MvS (miquels@drinkel.ow.org) */ if (skb_loop_sk(ptype, skb)) continue; if (pt_prev) { deliver_skb(skb2, pt_prev, skb->dev); pt_prev = ptype; continue; } /* need to clone skb, done only once */ skb2 = skb_clone(skb, GFP_ATOMIC); if (!skb2) goto out_unlock; net_timestamp_set(skb2); /* skb->nh should be correctly * set by sender, so that the second statement is * just protection against buggy protocols. */ skb_reset_mac_header(skb2); if (skb_network_header(skb2) < skb2->data || skb_network_header(skb2) > skb_tail_pointer(skb2)) { net_crit_ratelimited("protocol %04x is buggy, dev %s\n", ntohs(skb2->protocol), dev->name); skb_reset_network_header(skb2); } skb2->transport_header = skb2->network_header; skb2->pkt_type = PACKET_OUTGOING; pt_prev = ptype; } if (ptype_list == &ptype_all) { ptype_list = &dev->ptype_all; goto again; } out_unlock: if (pt_prev) { if (!skb_orphan_frags_rx(skb2, GFP_ATOMIC)) pt_prev->func(skb2, skb->dev, pt_prev, skb->dev); else kfree_skb(skb2); } rcu_read_unlock(); } EXPORT_SYMBOL_GPL(dev_queue_xmit_nit); /** * netif_setup_tc - Handle tc mappings on real_num_tx_queues change * @dev: Network device * @txq: number of queues available * * If real_num_tx_queues is changed the tc mappings may no longer be * valid. To resolve this verify the tc mapping remains valid and if * not NULL the mapping. With no priorities mapping to this * offset/count pair it will no longer be used. In the worst case TC0 * is invalid nothing can be done so disable priority mappings. If is * expected that drivers will fix this mapping if they can before * calling netif_set_real_num_tx_queues. */ static void netif_setup_tc(struct net_device *dev, unsigned int txq) { int i; struct netdev_tc_txq *tc = &dev->tc_to_txq[0]; /* If TC0 is invalidated disable TC mapping */ if (tc->offset + tc->count > txq) { pr_warn("Number of in use tx queues changed invalidating tc mappings. Priority traffic classification disabled!\n"); dev->num_tc = 0; return; } /* Invalidated prio to tc mappings set to TC0 */ for (i = 1; i < TC_BITMASK + 1; i++) { int q = netdev_get_prio_tc_map(dev, i); tc = &dev->tc_to_txq[q]; if (tc->offset + tc->count > txq) { pr_warn("Number of in use tx queues changed. Priority %i to tc mapping %i is no longer valid. Setting map to 0\n", i, q); netdev_set_prio_tc_map(dev, i, 0); } } } int netdev_txq_to_tc(struct net_device *dev, unsigned int txq) { if (dev->num_tc) { struct netdev_tc_txq *tc = &dev->tc_to_txq[0]; int i; /* walk through the TCs and see if it falls into any of them */ for (i = 0; i < TC_MAX_QUEUE; i++, tc++) { if ((txq - tc->offset) < tc->count) return i; } /* didn't find it, just return -1 to indicate no match */ return -1; } return 0; } EXPORT_SYMBOL(netdev_txq_to_tc); #ifdef CONFIG_XPS struct static_key xps_needed __read_mostly; EXPORT_SYMBOL(xps_needed); struct static_key xps_rxqs_needed __read_mostly; EXPORT_SYMBOL(xps_rxqs_needed); static DEFINE_MUTEX(xps_map_mutex); #define xmap_dereference(P) \ rcu_dereference_protected((P), lockdep_is_held(&xps_map_mutex)) static bool remove_xps_queue(struct xps_dev_maps *dev_maps, int tci, u16 index) { struct xps_map *map = NULL; int pos; if (dev_maps) map = xmap_dereference(dev_maps->attr_map[tci]); if (!map) return false; for (pos = map->len; pos--;) { if (map->queues[pos] != index) continue; if (map->len > 1) { map->queues[pos] = map->queues[--map->len]; break; } RCU_INIT_POINTER(dev_maps->attr_map[tci], NULL); kfree_rcu(map, rcu); return false; } return true; } static bool remove_xps_queue_cpu(struct net_device *dev, struct xps_dev_maps *dev_maps, int cpu, u16 offset, u16 count) { int num_tc = dev->num_tc ? : 1; bool active = false; int tci; for (tci = cpu * num_tc; num_tc--; tci++) { int i, j; for (i = count, j = offset; i--; j++) { if (!remove_xps_queue(dev_maps, tci, j)) break; } active |= i < 0; } return active; } static void reset_xps_maps(struct net_device *dev, struct xps_dev_maps *dev_maps, bool is_rxqs_map) { if (is_rxqs_map) { static_key_slow_dec_cpuslocked(&xps_rxqs_needed); RCU_INIT_POINTER(dev->xps_rxqs_map, NULL); } else { RCU_INIT_POINTER(dev->xps_cpus_map, NULL); } static_key_slow_dec_cpuslocked(&xps_needed); kfree_rcu(dev_maps, rcu); } static void clean_xps_maps(struct net_device *dev, const unsigned long *mask, struct xps_dev_maps *dev_maps, unsigned int nr_ids, u16 offset, u16 count, bool is_rxqs_map) { bool active = false; int i, j; for (j = -1; j = netif_attrmask_next(j, mask, nr_ids), j < nr_ids;) active |= remove_xps_queue_cpu(dev, dev_maps, j, offset, count); if (!active) reset_xps_maps(dev, dev_maps, is_rxqs_map); if (!is_rxqs_map) { for (i = offset + (count - 1); count--; i--) { netdev_queue_numa_node_write( netdev_get_tx_queue(dev, i), NUMA_NO_NODE); } } } static void netif_reset_xps_queues(struct net_device *dev, u16 offset, u16 count) { const unsigned long *possible_mask = NULL; struct xps_dev_maps *dev_maps; unsigned int nr_ids; if (!static_key_false(&xps_needed)) return; cpus_read_lock(); mutex_lock(&xps_map_mutex); if (static_key_false(&xps_rxqs_needed)) { dev_maps = xmap_dereference(dev->xps_rxqs_map); if (dev_maps) { nr_ids = dev->num_rx_queues; clean_xps_maps(dev, possible_mask, dev_maps, nr_ids, offset, count, true); } } dev_maps = xmap_dereference(dev->xps_cpus_map); if (!dev_maps) goto out_no_maps; if (num_possible_cpus() > 1) possible_mask = cpumask_bits(cpu_possible_mask); nr_ids = nr_cpu_ids; clean_xps_maps(dev, possible_mask, dev_maps, nr_ids, offset, count, false); out_no_maps: mutex_unlock(&xps_map_mutex); cpus_read_unlock(); } static void netif_reset_xps_queues_gt(struct net_device *dev, u16 index) { netif_reset_xps_queues(dev, index, dev->num_tx_queues - index); } static struct xps_map *expand_xps_map(struct xps_map *map, int attr_index, u16 index, bool is_rxqs_map) { struct xps_map *new_map; int alloc_len = XPS_MIN_MAP_ALLOC; int i, pos; for (pos = 0; map && pos < map->len; pos++) { if (map->queues[pos] != index) continue; return map; } /* Need to add tx-queue to this CPU's/rx-queue's existing map */ if (map) { if (pos < map->alloc_len) return map; alloc_len = map->alloc_len * 2; } /* Need to allocate new map to store tx-queue on this CPU's/rx-queue's * map */ if (is_rxqs_map) new_map = kzalloc(XPS_MAP_SIZE(alloc_len), GFP_KERNEL); else new_map = kzalloc_node(XPS_MAP_SIZE(alloc_len), GFP_KERNEL, cpu_to_node(attr_index)); if (!new_map) return NULL; for (i = 0; i < pos; i++) new_map->queues[i] = map->queues[i]; new_map->alloc_len = alloc_len; new_map->len = pos; return new_map; } /* Must be called under cpus_read_lock */ int __netif_set_xps_queue(struct net_device *dev, const unsigned long *mask, u16 index, bool is_rxqs_map) { const unsigned long *online_mask = NULL, *possible_mask = NULL; struct xps_dev_maps *dev_maps, *new_dev_maps = NULL; int i, j, tci, numa_node_id = -2; int maps_sz, num_tc = 1, tc = 0; struct xps_map *map, *new_map; bool active = false; unsigned int nr_ids; if (dev->num_tc) { /* Do not allow XPS on subordinate device directly */ num_tc = dev->num_tc; if (num_tc < 0) return -EINVAL; /* If queue belongs to subordinate dev use its map */ dev = netdev_get_tx_queue(dev, index)->sb_dev ? : dev; tc = netdev_txq_to_tc(dev, index); if (tc < 0) return -EINVAL; } mutex_lock(&xps_map_mutex); if (is_rxqs_map) { maps_sz = XPS_RXQ_DEV_MAPS_SIZE(num_tc, dev->num_rx_queues); dev_maps = xmap_dereference(dev->xps_rxqs_map); nr_ids = dev->num_rx_queues; } else { maps_sz = XPS_CPU_DEV_MAPS_SIZE(num_tc); if (num_possible_cpus() > 1) { online_mask = cpumask_bits(cpu_online_mask); possible_mask = cpumask_bits(cpu_possible_mask); } dev_maps = xmap_dereference(dev->xps_cpus_map); nr_ids = nr_cpu_ids; } if (maps_sz < L1_CACHE_BYTES) maps_sz = L1_CACHE_BYTES; /* allocate memory for queue storage */ for (j = -1; j = netif_attrmask_next_and(j, online_mask, mask, nr_ids), j < nr_ids;) { if (!new_dev_maps) new_dev_maps = kzalloc(maps_sz, GFP_KERNEL); if (!new_dev_maps) { mutex_unlock(&xps_map_mutex); return -ENOMEM; } tci = j * num_tc + tc; map = dev_maps ? xmap_dereference(dev_maps->attr_map[tci]) : NULL; map = expand_xps_map(map, j, index, is_rxqs_map); if (!map) goto error; RCU_INIT_POINTER(new_dev_maps->attr_map[tci], map); } if (!new_dev_maps) goto out_no_new_maps; if (!dev_maps) { /* Increment static keys at most once per type */ static_key_slow_inc_cpuslocked(&xps_needed); if (is_rxqs_map) static_key_slow_inc_cpuslocked(&xps_rxqs_needed); } for (j = -1; j = netif_attrmask_next(j, possible_mask, nr_ids), j < nr_ids;) { /* copy maps belonging to foreign traffic classes */ for (i = tc, tci = j * num_tc; dev_maps && i--; tci++) { /* fill in the new device map from the old device map */ map = xmap_dereference(dev_maps->attr_map[tci]); RCU_INIT_POINTER(new_dev_maps->attr_map[tci], map); } /* We need to explicitly update tci as prevous loop * could break out early if dev_maps is NULL. */ tci = j * num_tc + tc; if (netif_attr_test_mask(j, mask, nr_ids) && netif_attr_test_online(j, online_mask, nr_ids)) { /* add tx-queue to CPU/rx-queue maps */ int pos = 0; map = xmap_dereference(new_dev_maps->attr_map[tci]); while ((pos < map->len) && (map->queues[pos] != index)) pos++; if (pos == map->len) map->queues[map->len++] = index; #ifdef CONFIG_NUMA if (!is_rxqs_map) { if (numa_node_id == -2) numa_node_id = cpu_to_node(j); else if (numa_node_id != cpu_to_node(j)) numa_node_id = -1; } #endif } else if (dev_maps) { /* fill in the new device map from the old device map */ map = xmap_dereference(dev_maps->attr_map[tci]); RCU_INIT_POINTER(new_dev_maps->attr_map[tci], map); } /* copy maps belonging to foreign traffic classes */ for (i = num_tc - tc, tci++; dev_maps && --i; tci++) { /* fill in the new device map from the old device map */ map = xmap_dereference(dev_maps->attr_map[tci]); RCU_INIT_POINTER(new_dev_maps->attr_map[tci], map); } } if (is_rxqs_map) rcu_assign_pointer(dev->xps_rxqs_map, new_dev_maps); else rcu_assign_pointer(dev->xps_cpus_map, new_dev_maps); /* Cleanup old maps */ if (!dev_maps) goto out_no_old_maps; for (j = -1; j = netif_attrmask_next(j, possible_mask, nr_ids), j < nr_ids;) { for (i = num_tc, tci = j * num_tc; i--; tci++) { new_map = xmap_dereference(new_dev_maps->attr_map[tci]); map = xmap_dereference(dev_maps->attr_map[tci]); if (map && map != new_map) kfree_rcu(map, rcu); } } kfree_rcu(dev_maps, rcu); out_no_old_maps: dev_maps = new_dev_maps; active = true; out_no_new_maps: if (!is_rxqs_map) { /* update Tx queue numa node */ netdev_queue_numa_node_write(netdev_get_tx_queue(dev, index), (numa_node_id >= 0) ? numa_node_id : NUMA_NO_NODE); } if (!dev_maps) goto out_no_maps; /* removes tx-queue from unused CPUs/rx-queues */ for (j = -1; j = netif_attrmask_next(j, possible_mask, nr_ids), j < nr_ids;) { for (i = tc, tci = j * num_tc; i--; tci++) active |= remove_xps_queue(dev_maps, tci, index); if (!netif_attr_test_mask(j, mask, nr_ids) || !netif_attr_test_online(j, online_mask, nr_ids)) active |= remove_xps_queue(dev_maps, tci, index); for (i = num_tc - tc, tci++; --i; tci++) active |= remove_xps_queue(dev_maps, tci, index); } /* free map if not active */ if (!active) reset_xps_maps(dev, dev_maps, is_rxqs_map); out_no_maps: mutex_unlock(&xps_map_mutex); return 0; error: /* remove any maps that we added */ for (j = -1; j = netif_attrmask_next(j, possible_mask, nr_ids), j < nr_ids;) { for (i = num_tc, tci = j * num_tc; i--; tci++) { new_map = xmap_dereference(new_dev_maps->attr_map[tci]); map = dev_maps ? xmap_dereference(dev_maps->attr_map[tci]) : NULL; if (new_map && new_map != map) kfree(new_map); } } mutex_unlock(&xps_map_mutex); kfree(new_dev_maps); return -ENOMEM; } EXPORT_SYMBOL_GPL(__netif_set_xps_queue); int netif_set_xps_queue(struct net_device *dev, const struct cpumask *mask, u16 index) { int ret; cpus_read_lock(); ret = __netif_set_xps_queue(dev, cpumask_bits(mask), index, false); cpus_read_unlock(); return ret; } EXPORT_SYMBOL(netif_set_xps_queue); #endif static void netdev_unbind_all_sb_channels(struct net_device *dev) { struct netdev_queue *txq = &dev->_tx[dev->num_tx_queues]; /* Unbind any subordinate channels */ while (txq-- != &dev->_tx[0]) { if (txq->sb_dev) netdev_unbind_sb_channel(dev, txq->sb_dev); } } void netdev_reset_tc(struct net_device *dev) { #ifdef CONFIG_XPS netif_reset_xps_queues_gt(dev, 0); #endif netdev_unbind_all_sb_channels(dev); /* Reset TC configuration of device */ dev->num_tc = 0; memset(dev->tc_to_txq, 0, sizeof(dev->tc_to_txq)); memset(dev->prio_tc_map, 0, sizeof(dev->prio_tc_map)); } EXPORT_SYMBOL(netdev_reset_tc); int netdev_set_tc_queue(struct net_device *dev, u8 tc, u16 count, u16 offset) { if (tc >= dev->num_tc) return -EINVAL; #ifdef CONFIG_XPS netif_reset_xps_queues(dev, offset, count); #endif dev->tc_to_txq[tc].count = count; dev->tc_to_txq[tc].offset = offset; return 0; } EXPORT_SYMBOL(netdev_set_tc_queue); int netdev_set_num_tc(struct net_device *dev, u8 num_tc) { if (num_tc > TC_MAX_QUEUE) return -EINVAL; #ifdef CONFIG_XPS netif_reset_xps_queues_gt(dev, 0); #endif netdev_unbind_all_sb_channels(dev); dev->num_tc = num_tc; return 0; } EXPORT_SYMBOL(netdev_set_num_tc); void netdev_unbind_sb_channel(struct net_device *dev, struct net_device *sb_dev) { struct netdev_queue *txq = &dev->_tx[dev->num_tx_queues]; #ifdef CONFIG_XPS netif_reset_xps_queues_gt(sb_dev, 0); #endif memset(sb_dev->tc_to_txq, 0, sizeof(sb_dev->tc_to_txq)); memset(sb_dev->prio_tc_map, 0, sizeof(sb_dev->prio_tc_map)); while (txq-- != &dev->_tx[0]) { if (txq->sb_dev == sb_dev) txq->sb_dev = NULL; } } EXPORT_SYMBOL(netdev_unbind_sb_channel); int netdev_bind_sb_channel_queue(struct net_device *dev, struct net_device *sb_dev, u8 tc, u16 count, u16 offset) { /* Make certain the sb_dev and dev are already configured */ if (sb_dev->num_tc >= 0 || tc >= dev->num_tc) return -EINVAL; /* We cannot hand out queues we don't have */ if ((offset + count) > dev->real_num_tx_queues) return -EINVAL; /* Record the mapping */ sb_dev->tc_to_txq[tc].count = count; sb_dev->tc_to_txq[tc].offset = offset; /* Provide a way for Tx queue to find the tc_to_txq map or * XPS map for itself. */ while (count--) netdev_get_tx_queue(dev, count + offset)->sb_dev = sb_dev; return 0; } EXPORT_SYMBOL(netdev_bind_sb_channel_queue); int netdev_set_sb_channel(struct net_device *dev, u16 channel) { /* Do not use a multiqueue device to represent a subordinate channel */ if (netif_is_multiqueue(dev)) return -ENODEV; /* We allow channels 1 - 32767 to be used for subordinate channels. * Channel 0 is meant to be "native" mode and used only to represent * the main root device. We allow writing 0 to reset the device back * to normal mode after being used as a subordinate channel. */ if (channel > S16_MAX) return -EINVAL; dev->num_tc = -channel; return 0; } EXPORT_SYMBOL(netdev_set_sb_channel); /* * Routine to help set real_num_tx_queues. To avoid skbs mapped to queues * greater than real_num_tx_queues stale skbs on the qdisc must be flushed. */ int netif_set_real_num_tx_queues(struct net_device *dev, unsigned int txq) { bool disabling; int rc; disabling = txq < dev->real_num_tx_queues; if (txq < 1 || txq > dev->num_tx_queues) return -EINVAL; if (dev->reg_state == NETREG_REGISTERED || dev->reg_state == NETREG_UNREGISTERING) { ASSERT_RTNL(); rc = netdev_queue_update_kobjects(dev, dev->real_num_tx_queues, txq); if (rc) return rc; if (dev->num_tc) netif_setup_tc(dev, txq); dev_qdisc_change_real_num_tx(dev, txq); dev->real_num_tx_queues = txq; if (disabling) { synchronize_net(); qdisc_reset_all_tx_gt(dev, txq); #ifdef CONFIG_XPS netif_reset_xps_queues_gt(dev, txq); #endif } } else { dev->real_num_tx_queues = txq; } return 0; } EXPORT_SYMBOL(netif_set_real_num_tx_queues); #ifdef CONFIG_SYSFS /** * netif_set_real_num_rx_queues - set actual number of RX queues used * @dev: Network device * @rxq: Actual number of RX queues * * This must be called either with the rtnl_lock held or before * registration of the net device. Returns 0 on success, or a * negative error code. If called before registration, it always * succeeds. */ int netif_set_real_num_rx_queues(struct net_device *dev, unsigned int rxq) { int rc; if (rxq < 1 || rxq > dev->num_rx_queues) return -EINVAL; if (dev->reg_state == NETREG_REGISTERED) { ASSERT_RTNL(); rc = net_rx_queue_update_kobjects(dev, dev->real_num_rx_queues, rxq); if (rc) return rc; } dev->real_num_rx_queues = rxq; return 0; } EXPORT_SYMBOL(netif_set_real_num_rx_queues); #endif /** * netif_get_num_default_rss_queues - default number of RSS queues * * This routine should set an upper limit on the number of RSS queues * used by default by multiqueue devices. */ int netif_get_num_default_rss_queues(void) { return is_kdump_kernel() ? 1 : min_t(int, DEFAULT_MAX_NUM_RSS_QUEUES, num_online_cpus()); } EXPORT_SYMBOL(netif_get_num_default_rss_queues); static void __netif_reschedule(struct Qdisc *q) { struct softnet_data *sd; unsigned long flags; local_irq_save(flags); sd = this_cpu_ptr(&softnet_data); q->next_sched = NULL; *sd->output_queue_tailp = q; sd->output_queue_tailp = &q->next_sched; raise_softirq_irqoff(NET_TX_SOFTIRQ); local_irq_restore(flags); } void __netif_schedule(struct Qdisc *q) { if (!test_and_set_bit(__QDISC_STATE_SCHED, &q->state)) __netif_reschedule(q); } EXPORT_SYMBOL(__netif_schedule); struct dev_kfree_skb_cb { enum skb_free_reason reason; }; static struct dev_kfree_skb_cb *get_kfree_skb_cb(const struct sk_buff *skb) { return (struct dev_kfree_skb_cb *)skb->cb; } void netif_schedule_queue(struct netdev_queue *txq) { rcu_read_lock(); if (!netif_xmit_stopped(txq)) { struct Qdisc *q = rcu_dereference(txq->qdisc); __netif_schedule(q); } rcu_read_unlock(); } EXPORT_SYMBOL(netif_schedule_queue); void netif_tx_wake_queue(struct netdev_queue *dev_queue) { if (test_and_clear_bit(__QUEUE_STATE_DRV_XOFF, &dev_queue->state)) { struct Qdisc *q; rcu_read_lock(); q = rcu_dereference(dev_queue->qdisc); __netif_schedule(q); rcu_read_unlock(); } } EXPORT_SYMBOL(netif_tx_wake_queue); void __dev_kfree_skb_irq(struct sk_buff *skb, enum skb_free_reason reason) { unsigned long flags; if (unlikely(!skb)) return; if (likely(refcount_read(&skb->users) == 1)) { smp_rmb(); refcount_set(&skb->users, 0); } else if (likely(!refcount_dec_and_test(&skb->users))) { return; } get_kfree_skb_cb(skb)->reason = reason; local_irq_save(flags); skb->next = __this_cpu_read(softnet_data.completion_queue); __this_cpu_write(softnet_data.completion_queue, skb); raise_softirq_irqoff(NET_TX_SOFTIRQ); local_irq_restore(flags); } EXPORT_SYMBOL(__dev_kfree_skb_irq); void __dev_kfree_skb_any(struct sk_buff *skb, enum skb_free_reason reason) {