Lines Matching refs:sk
82 #define SOCK_DEBUG(sk, msg...) do { if ((sk) && sock_flag((sk), SOCK_DBG)) \ argument
87 void SOCK_DEBUG(const struct sock *sk, const char *msg, ...) in SOCK_DEBUG() argument
519 void (*sk_state_change)(struct sock *sk);
520 void (*sk_data_ready)(struct sock *sk);
521 void (*sk_write_space)(struct sock *sk);
522 void (*sk_error_report)(struct sock *sk);
523 int (*sk_backlog_rcv)(struct sock *sk,
526 struct sk_buff* (*sk_validate_xmit_skb)(struct sock *sk,
530 void (*sk_destruct)(struct sock *sk);
557 static inline bool sk_user_data_is_nocopy(const struct sock *sk) in sk_user_data_is_nocopy() argument
559 return ((uintptr_t)sk->sk_user_data & SK_USER_DATA_NOCOPY); in sk_user_data_is_nocopy()
562 #define __sk_user_data(sk) ((*((void __rcu **)&(sk)->sk_user_data))) argument
564 #define rcu_dereference_sk_user_data(sk) \ argument
566 void *__tmp = rcu_dereference(__sk_user_data((sk))); \
569 #define rcu_assign_sk_user_data(sk, ptr) \ argument
573 rcu_assign_pointer(__sk_user_data((sk)), __tmp); \
575 #define rcu_assign_sk_user_data_nocopy(sk, ptr) \ argument
579 rcu_assign_pointer(__sk_user_data((sk)), \
594 int sk_set_peek_off(struct sock *sk, int val);
596 static inline int sk_peek_offset(struct sock *sk, int flags) in sk_peek_offset() argument
599 return READ_ONCE(sk->sk_peek_off); in sk_peek_offset()
605 static inline void sk_peek_offset_bwd(struct sock *sk, int val) in sk_peek_offset_bwd() argument
607 s32 off = READ_ONCE(sk->sk_peek_off); in sk_peek_offset_bwd()
611 WRITE_ONCE(sk->sk_peek_off, off); in sk_peek_offset_bwd()
615 static inline void sk_peek_offset_fwd(struct sock *sk, int val) in sk_peek_offset_fwd() argument
617 sk_peek_offset_bwd(sk, -val); in sk_peek_offset_fwd()
648 static inline struct sock *sk_next(const struct sock *sk) in sk_next() argument
650 return hlist_entry_safe(sk->sk_node.next, struct sock, sk_node); in sk_next()
653 static inline struct sock *sk_nulls_next(const struct sock *sk) in sk_nulls_next() argument
655 return (!is_a_nulls(sk->sk_nulls_node.next)) ? in sk_nulls_next()
656 hlist_nulls_entry(sk->sk_nulls_node.next, in sk_nulls_next()
661 static inline bool sk_unhashed(const struct sock *sk) in sk_unhashed() argument
663 return hlist_unhashed(&sk->sk_node); in sk_unhashed()
666 static inline bool sk_hashed(const struct sock *sk) in sk_hashed() argument
668 return !sk_unhashed(sk); in sk_hashed()
681 static inline void __sk_del_node(struct sock *sk) in __sk_del_node() argument
683 __hlist_del(&sk->sk_node); in __sk_del_node()
687 static inline bool __sk_del_node_init(struct sock *sk) in __sk_del_node_init() argument
689 if (sk_hashed(sk)) { in __sk_del_node_init()
690 __sk_del_node(sk); in __sk_del_node_init()
691 sk_node_init(&sk->sk_node); in __sk_del_node_init()
703 static __always_inline void sock_hold(struct sock *sk) in sock_hold() argument
705 refcount_inc(&sk->sk_refcnt); in sock_hold()
711 static __always_inline void __sock_put(struct sock *sk) in __sock_put() argument
713 refcount_dec(&sk->sk_refcnt); in __sock_put()
716 static inline bool sk_del_node_init(struct sock *sk) in sk_del_node_init() argument
718 bool rc = __sk_del_node_init(sk); in sk_del_node_init()
722 WARN_ON(refcount_read(&sk->sk_refcnt) == 1); in sk_del_node_init()
723 __sock_put(sk); in sk_del_node_init()
727 #define sk_del_node_init_rcu(sk) sk_del_node_init(sk) argument
729 static inline bool __sk_nulls_del_node_init_rcu(struct sock *sk) in __sk_nulls_del_node_init_rcu() argument
731 if (sk_hashed(sk)) { in __sk_nulls_del_node_init_rcu()
732 hlist_nulls_del_init_rcu(&sk->sk_nulls_node); in __sk_nulls_del_node_init_rcu()
738 static inline bool sk_nulls_del_node_init_rcu(struct sock *sk) in sk_nulls_del_node_init_rcu() argument
740 bool rc = __sk_nulls_del_node_init_rcu(sk); in sk_nulls_del_node_init_rcu()
744 WARN_ON(refcount_read(&sk->sk_refcnt) == 1); in sk_nulls_del_node_init_rcu()
745 __sock_put(sk); in sk_nulls_del_node_init_rcu()
750 static inline void __sk_add_node(struct sock *sk, struct hlist_head *list) in __sk_add_node() argument
752 hlist_add_head(&sk->sk_node, list); in __sk_add_node()
755 static inline void sk_add_node(struct sock *sk, struct hlist_head *list) in sk_add_node() argument
757 sock_hold(sk); in sk_add_node()
758 __sk_add_node(sk, list); in sk_add_node()
761 static inline void sk_add_node_rcu(struct sock *sk, struct hlist_head *list) in sk_add_node_rcu() argument
763 sock_hold(sk); in sk_add_node_rcu()
764 if (IS_ENABLED(CONFIG_IPV6) && sk->sk_reuseport && in sk_add_node_rcu()
765 sk->sk_family == AF_INET6) in sk_add_node_rcu()
766 hlist_add_tail_rcu(&sk->sk_node, list); in sk_add_node_rcu()
768 hlist_add_head_rcu(&sk->sk_node, list); in sk_add_node_rcu()
771 static inline void sk_add_node_tail_rcu(struct sock *sk, struct hlist_head *list) in sk_add_node_tail_rcu() argument
773 sock_hold(sk); in sk_add_node_tail_rcu()
774 hlist_add_tail_rcu(&sk->sk_node, list); in sk_add_node_tail_rcu()
777 static inline void __sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list) in __sk_nulls_add_node_rcu() argument
779 hlist_nulls_add_head_rcu(&sk->sk_nulls_node, list); in __sk_nulls_add_node_rcu()
782 static inline void __sk_nulls_add_node_tail_rcu(struct sock *sk, struct hlist_nulls_head *list) in __sk_nulls_add_node_tail_rcu() argument
784 hlist_nulls_add_tail_rcu(&sk->sk_nulls_node, list); in __sk_nulls_add_node_tail_rcu()
787 static inline void sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list) in sk_nulls_add_node_rcu() argument
789 sock_hold(sk); in sk_nulls_add_node_rcu()
790 __sk_nulls_add_node_rcu(sk, list); in sk_nulls_add_node_rcu()
793 static inline void __sk_del_bind_node(struct sock *sk) in __sk_del_bind_node() argument
795 __hlist_del(&sk->sk_bind_node); in __sk_del_bind_node()
798 static inline void sk_add_bind_node(struct sock *sk, in sk_add_bind_node() argument
801 hlist_add_head(&sk->sk_bind_node, list); in sk_add_bind_node()
836 static inline struct user_namespace *sk_user_ns(struct sock *sk) in sk_user_ns() argument
842 return sk->sk_socket->file->f_cred->user_ns; in sk_user_ns()
886 static inline void sock_set_flag(struct sock *sk, enum sock_flags flag) in sock_set_flag() argument
888 __set_bit(flag, &sk->sk_flags); in sock_set_flag()
891 static inline void sock_reset_flag(struct sock *sk, enum sock_flags flag) in sock_reset_flag() argument
893 __clear_bit(flag, &sk->sk_flags); in sock_reset_flag()
896 static inline void sock_valbool_flag(struct sock *sk, enum sock_flags bit, in sock_valbool_flag() argument
900 sock_set_flag(sk, bit); in sock_valbool_flag()
902 sock_reset_flag(sk, bit); in sock_valbool_flag()
905 static inline bool sock_flag(const struct sock *sk, enum sock_flags flag) in sock_flag() argument
907 return test_bit(flag, &sk->sk_flags); in sock_flag()
929 static inline gfp_t sk_gfp_mask(const struct sock *sk, gfp_t gfp_mask) in sk_gfp_mask() argument
931 return gfp_mask | (sk->sk_allocation & __GFP_MEMALLOC); in sk_gfp_mask()
934 static inline void sk_acceptq_removed(struct sock *sk) in sk_acceptq_removed() argument
936 WRITE_ONCE(sk->sk_ack_backlog, sk->sk_ack_backlog - 1); in sk_acceptq_removed()
939 static inline void sk_acceptq_added(struct sock *sk) in sk_acceptq_added() argument
941 WRITE_ONCE(sk->sk_ack_backlog, sk->sk_ack_backlog + 1); in sk_acceptq_added()
948 static inline bool sk_acceptq_is_full(const struct sock *sk) in sk_acceptq_is_full() argument
950 return READ_ONCE(sk->sk_ack_backlog) > READ_ONCE(sk->sk_max_ack_backlog); in sk_acceptq_is_full()
956 static inline int sk_stream_min_wspace(const struct sock *sk) in sk_stream_min_wspace() argument
958 return READ_ONCE(sk->sk_wmem_queued) >> 1; in sk_stream_min_wspace()
961 static inline int sk_stream_wspace(const struct sock *sk) in sk_stream_wspace() argument
963 return READ_ONCE(sk->sk_sndbuf) - READ_ONCE(sk->sk_wmem_queued); in sk_stream_wspace()
966 static inline void sk_wmem_queued_add(struct sock *sk, int val) in sk_wmem_queued_add() argument
968 WRITE_ONCE(sk->sk_wmem_queued, sk->sk_wmem_queued + val); in sk_wmem_queued_add()
971 void sk_stream_write_space(struct sock *sk);
974 static inline void __sk_add_backlog(struct sock *sk, struct sk_buff *skb) in __sk_add_backlog() argument
979 if (!sk->sk_backlog.tail) in __sk_add_backlog()
980 WRITE_ONCE(sk->sk_backlog.head, skb); in __sk_add_backlog()
982 sk->sk_backlog.tail->next = skb; in __sk_add_backlog()
984 WRITE_ONCE(sk->sk_backlog.tail, skb); in __sk_add_backlog()
993 static inline bool sk_rcvqueues_full(const struct sock *sk, unsigned int limit) in sk_rcvqueues_full() argument
995 unsigned int qsize = sk->sk_backlog.len + atomic_read(&sk->sk_rmem_alloc); in sk_rcvqueues_full()
1001 static inline __must_check int sk_add_backlog(struct sock *sk, struct sk_buff *skb, in sk_add_backlog() argument
1004 if (sk_rcvqueues_full(sk, limit)) in sk_add_backlog()
1012 if (skb_pfmemalloc(skb) && !sock_flag(sk, SOCK_MEMALLOC)) in sk_add_backlog()
1015 __sk_add_backlog(sk, skb); in sk_add_backlog()
1016 sk->sk_backlog.len += skb->truesize; in sk_add_backlog()
1020 int __sk_backlog_rcv(struct sock *sk, struct sk_buff *skb);
1022 static inline int sk_backlog_rcv(struct sock *sk, struct sk_buff *skb) in sk_backlog_rcv() argument
1025 return __sk_backlog_rcv(sk, skb); in sk_backlog_rcv()
1027 return sk->sk_backlog_rcv(sk, skb); in sk_backlog_rcv()
1030 static inline void sk_incoming_cpu_update(struct sock *sk) in sk_incoming_cpu_update() argument
1034 if (unlikely(READ_ONCE(sk->sk_incoming_cpu) != cpu)) in sk_incoming_cpu_update()
1035 WRITE_ONCE(sk->sk_incoming_cpu, cpu); in sk_incoming_cpu_update()
1050 static inline void sock_rps_record_flow(const struct sock *sk) in sock_rps_record_flow() argument
1064 if (sk->sk_state == TCP_ESTABLISHED) in sock_rps_record_flow()
1065 sock_rps_record_flow_hash(sk->sk_rxhash); in sock_rps_record_flow()
1070 static inline void sock_rps_save_rxhash(struct sock *sk, in sock_rps_save_rxhash() argument
1074 if (unlikely(sk->sk_rxhash != skb->hash)) in sock_rps_save_rxhash()
1075 sk->sk_rxhash = skb->hash; in sock_rps_save_rxhash()
1079 static inline void sock_rps_reset_rxhash(struct sock *sk) in sock_rps_reset_rxhash() argument
1082 sk->sk_rxhash = 0; in sock_rps_reset_rxhash()
1101 int sk_stream_wait_connect(struct sock *sk, long *timeo_p);
1102 int sk_stream_wait_memory(struct sock *sk, long *timeo_p);
1103 void sk_stream_wait_close(struct sock *sk, long timeo_p);
1104 int sk_stream_error(struct sock *sk, int flags, int err);
1105 void sk_stream_kill_queues(struct sock *sk);
1106 void sk_set_memalloc(struct sock *sk);
1107 void sk_clear_memalloc(struct sock *sk);
1109 void __sk_flush_backlog(struct sock *sk);
1111 static inline bool sk_flush_backlog(struct sock *sk) in sk_flush_backlog() argument
1113 if (unlikely(READ_ONCE(sk->sk_backlog.tail))) { in sk_flush_backlog()
1114 __sk_flush_backlog(sk); in sk_flush_backlog()
1120 int sk_wait_data(struct sock *sk, long *timeo, const struct sk_buff *skb);
1134 static inline void sk_prot_clear_nulls(struct sock *sk, int size) in sk_prot_clear_nulls() argument
1137 memset(sk, 0, offsetof(struct sock, sk_node.next)); in sk_prot_clear_nulls()
1138 memset(&sk->sk_node.pprev, 0, in sk_prot_clear_nulls()
1146 void (*close)(struct sock *sk,
1148 int (*pre_connect)(struct sock *sk,
1151 int (*connect)(struct sock *sk,
1154 int (*disconnect)(struct sock *sk, int flags);
1156 struct sock * (*accept)(struct sock *sk, int flags, int *err,
1159 int (*ioctl)(struct sock *sk, int cmd,
1161 int (*init)(struct sock *sk);
1162 void (*destroy)(struct sock *sk);
1163 void (*shutdown)(struct sock *sk, int how);
1164 int (*setsockopt)(struct sock *sk, int level,
1167 int (*getsockopt)(struct sock *sk, int level,
1170 void (*keepalive)(struct sock *sk, int valbool);
1172 int (*compat_ioctl)(struct sock *sk,
1175 int (*sendmsg)(struct sock *sk, struct msghdr *msg,
1177 int (*recvmsg)(struct sock *sk, struct msghdr *msg,
1180 int (*sendpage)(struct sock *sk, struct page *page,
1182 int (*bind)(struct sock *sk,
1184 int (*bind_add)(struct sock *sk,
1187 int (*backlog_rcv) (struct sock *sk,
1192 void (*release_cb)(struct sock *sk);
1195 int (*hash)(struct sock *sk);
1196 void (*unhash)(struct sock *sk);
1197 void (*rehash)(struct sock *sk);
1198 int (*get_port)(struct sock *sk, unsigned short snum);
1200 int (*psock_update_sk_prot)(struct sock *sk,
1210 bool (*stream_memory_free)(const struct sock *sk, int wake);
1211 bool (*sock_is_readable)(struct sock *sk);
1213 void (*enter_memory_pressure)(struct sock *sk);
1214 void (*leave_memory_pressure)(struct sock *sk);
1260 int (*diag_destroy)(struct sock *sk, int err);
1268 static inline void sk_refcnt_debug_inc(struct sock *sk) in sk_refcnt_debug_inc() argument
1270 atomic_inc(&sk->sk_prot->socks); in sk_refcnt_debug_inc()
1273 static inline void sk_refcnt_debug_dec(struct sock *sk) in sk_refcnt_debug_dec() argument
1275 atomic_dec(&sk->sk_prot->socks); in sk_refcnt_debug_dec()
1277 sk->sk_prot->name, sk, atomic_read(&sk->sk_prot->socks)); in sk_refcnt_debug_dec()
1280 static inline void sk_refcnt_debug_release(const struct sock *sk) in sk_refcnt_debug_release() argument
1282 if (refcount_read(&sk->sk_refcnt) != 1) in sk_refcnt_debug_release()
1284 sk->sk_prot->name, sk, refcount_read(&sk->sk_refcnt)); in sk_refcnt_debug_release()
1287 #define sk_refcnt_debug_inc(sk) do { } while (0) argument
1288 #define sk_refcnt_debug_dec(sk) do { } while (0) argument
1289 #define sk_refcnt_debug_release(sk) do { } while (0) argument
1292 INDIRECT_CALLABLE_DECLARE(bool tcp_stream_memory_free(const struct sock *sk, int wake));
1294 static inline bool __sk_stream_memory_free(const struct sock *sk, int wake) in __sk_stream_memory_free() argument
1296 if (READ_ONCE(sk->sk_wmem_queued) >= READ_ONCE(sk->sk_sndbuf)) in __sk_stream_memory_free()
1300 return sk->sk_prot->stream_memory_free ? in __sk_stream_memory_free()
1301 INDIRECT_CALL_1(sk->sk_prot->stream_memory_free, in __sk_stream_memory_free()
1303 sk, wake) : true; in __sk_stream_memory_free()
1305 return sk->sk_prot->stream_memory_free ? in __sk_stream_memory_free()
1306 sk->sk_prot->stream_memory_free(sk, wake) : true; in __sk_stream_memory_free()
1310 static inline bool sk_stream_memory_free(const struct sock *sk) in sk_stream_memory_free() argument
1312 return __sk_stream_memory_free(sk, 0); in sk_stream_memory_free()
1315 static inline bool __sk_stream_is_writeable(const struct sock *sk, int wake) in __sk_stream_is_writeable() argument
1317 return sk_stream_wspace(sk) >= sk_stream_min_wspace(sk) && in __sk_stream_is_writeable()
1318 __sk_stream_memory_free(sk, wake); in __sk_stream_is_writeable()
1321 static inline bool sk_stream_is_writeable(const struct sock *sk) in sk_stream_is_writeable() argument
1323 return __sk_stream_is_writeable(sk, 0); in sk_stream_is_writeable()
1326 static inline int sk_under_cgroup_hierarchy(struct sock *sk, in sk_under_cgroup_hierarchy() argument
1330 return cgroup_is_descendant(sock_cgroup_ptr(&sk->sk_cgrp_data), in sk_under_cgroup_hierarchy()
1337 static inline bool sk_has_memory_pressure(const struct sock *sk) in sk_has_memory_pressure() argument
1339 return sk->sk_prot->memory_pressure != NULL; in sk_has_memory_pressure()
1342 static inline bool sk_under_memory_pressure(const struct sock *sk) in sk_under_memory_pressure() argument
1344 if (!sk->sk_prot->memory_pressure) in sk_under_memory_pressure()
1347 if (mem_cgroup_sockets_enabled && sk->sk_memcg && in sk_under_memory_pressure()
1348 mem_cgroup_under_socket_pressure(sk->sk_memcg)) in sk_under_memory_pressure()
1351 return !!*sk->sk_prot->memory_pressure; in sk_under_memory_pressure()
1355 sk_memory_allocated(const struct sock *sk) in sk_memory_allocated() argument
1357 return atomic_long_read(sk->sk_prot->memory_allocated); in sk_memory_allocated()
1361 sk_memory_allocated_add(struct sock *sk, int amt) in sk_memory_allocated_add() argument
1363 return atomic_long_add_return(amt, sk->sk_prot->memory_allocated); in sk_memory_allocated_add()
1367 sk_memory_allocated_sub(struct sock *sk, int amt) in sk_memory_allocated_sub() argument
1369 atomic_long_sub(amt, sk->sk_prot->memory_allocated); in sk_memory_allocated_sub()
1374 static inline void sk_sockets_allocated_dec(struct sock *sk) in sk_sockets_allocated_dec() argument
1376 percpu_counter_add_batch(sk->sk_prot->sockets_allocated, -1, in sk_sockets_allocated_dec()
1380 static inline void sk_sockets_allocated_inc(struct sock *sk) in sk_sockets_allocated_inc() argument
1382 percpu_counter_add_batch(sk->sk_prot->sockets_allocated, 1, in sk_sockets_allocated_inc()
1387 sk_sockets_allocated_read_positive(struct sock *sk) in sk_sockets_allocated_read_positive() argument
1389 return percpu_counter_read_positive(sk->sk_prot->sockets_allocated); in sk_sockets_allocated_read_positive()
1429 static inline int __sk_prot_rehash(struct sock *sk) in __sk_prot_rehash() argument
1431 sk->sk_prot->unhash(sk); in __sk_prot_rehash()
1432 return sk->sk_prot->hash(sk); in __sk_prot_rehash()
1466 int __sk_mem_raise_allocated(struct sock *sk, int size, int amt, int kind);
1467 int __sk_mem_schedule(struct sock *sk, int size, int kind);
1468 void __sk_mem_reduce_allocated(struct sock *sk, int amount);
1469 void __sk_mem_reclaim(struct sock *sk, int amount);
1480 static inline long sk_prot_mem_limits(const struct sock *sk, int index) in sk_prot_mem_limits() argument
1482 long val = sk->sk_prot->sysctl_mem[index]; in sk_prot_mem_limits()
1497 static inline bool sk_has_account(struct sock *sk) in sk_has_account() argument
1500 return !!sk->sk_prot->memory_allocated; in sk_has_account()
1503 static inline bool sk_wmem_schedule(struct sock *sk, int size) in sk_wmem_schedule() argument
1505 if (!sk_has_account(sk)) in sk_wmem_schedule()
1507 return size <= sk->sk_forward_alloc || in sk_wmem_schedule()
1508 __sk_mem_schedule(sk, size, SK_MEM_SEND); in sk_wmem_schedule()
1512 sk_rmem_schedule(struct sock *sk, struct sk_buff *skb, int size) in sk_rmem_schedule() argument
1514 if (!sk_has_account(sk)) in sk_rmem_schedule()
1516 return size <= sk->sk_forward_alloc || in sk_rmem_schedule()
1517 __sk_mem_schedule(sk, size, SK_MEM_RECV) || in sk_rmem_schedule()
1521 static inline void sk_mem_reclaim(struct sock *sk) in sk_mem_reclaim() argument
1523 if (!sk_has_account(sk)) in sk_mem_reclaim()
1525 if (sk->sk_forward_alloc >= SK_MEM_QUANTUM) in sk_mem_reclaim()
1526 __sk_mem_reclaim(sk, sk->sk_forward_alloc); in sk_mem_reclaim()
1529 static inline void sk_mem_reclaim_partial(struct sock *sk) in sk_mem_reclaim_partial() argument
1531 if (!sk_has_account(sk)) in sk_mem_reclaim_partial()
1533 if (sk->sk_forward_alloc > SK_MEM_QUANTUM) in sk_mem_reclaim_partial()
1534 __sk_mem_reclaim(sk, sk->sk_forward_alloc - 1); in sk_mem_reclaim_partial()
1537 static inline void sk_mem_charge(struct sock *sk, int size) in sk_mem_charge() argument
1539 if (!sk_has_account(sk)) in sk_mem_charge()
1541 sk->sk_forward_alloc -= size; in sk_mem_charge()
1544 static inline void sk_mem_uncharge(struct sock *sk, int size) in sk_mem_uncharge() argument
1546 if (!sk_has_account(sk)) in sk_mem_uncharge()
1548 sk->sk_forward_alloc += size; in sk_mem_uncharge()
1557 if (unlikely(sk->sk_forward_alloc >= 1 << 21)) in sk_mem_uncharge()
1558 __sk_mem_reclaim(sk, 1 << 20); in sk_mem_uncharge()
1562 static inline void sk_wmem_free_skb(struct sock *sk, struct sk_buff *skb) in sk_wmem_free_skb() argument
1564 sk_wmem_queued_add(sk, -skb->truesize); in sk_wmem_free_skb()
1565 sk_mem_uncharge(sk, skb->truesize); in sk_wmem_free_skb()
1567 !sk->sk_tx_skb_cache && !skb_cloned(skb)) { in sk_wmem_free_skb()
1570 sk->sk_tx_skb_cache = skb; in sk_wmem_free_skb()
1576 static inline void sock_release_ownership(struct sock *sk) in sock_release_ownership() argument
1578 if (sk->sk_lock.owned) { in sock_release_ownership()
1579 sk->sk_lock.owned = 0; in sock_release_ownership()
1582 mutex_release(&sk->sk_lock.dep_map, _RET_IP_); in sock_release_ownership()
1593 #define sock_lock_init_class_and_name(sk, sname, skey, name, key) \ argument
1595 sk->sk_lock.owned = 0; \
1596 init_waitqueue_head(&sk->sk_lock.wq); \
1597 spin_lock_init(&(sk)->sk_lock.slock); \
1598 debug_check_no_locks_freed((void *)&(sk)->sk_lock, \
1599 sizeof((sk)->sk_lock)); \
1600 lockdep_set_class_and_name(&(sk)->sk_lock.slock, \
1602 lockdep_init_map(&(sk)->sk_lock.dep_map, (name), (key), 0); \
1605 static inline bool lockdep_sock_is_held(const struct sock *sk) in lockdep_sock_is_held() argument
1607 return lockdep_is_held(&sk->sk_lock) || in lockdep_sock_is_held()
1608 lockdep_is_held(&sk->sk_lock.slock); in lockdep_sock_is_held()
1611 void lock_sock_nested(struct sock *sk, int subclass);
1613 static inline void lock_sock(struct sock *sk) in lock_sock() argument
1615 lock_sock_nested(sk, 0); in lock_sock()
1618 void __lock_sock(struct sock *sk);
1619 void __release_sock(struct sock *sk);
1620 void release_sock(struct sock *sk);
1629 bool __lock_sock_fast(struct sock *sk) __acquires(&sk->sk_lock.slock);
1644 static inline bool lock_sock_fast(struct sock *sk) in lock_sock_fast() argument
1647 mutex_acquire(&sk->sk_lock.dep_map, 0, 0, _RET_IP_); in lock_sock_fast()
1649 return __lock_sock_fast(sk); in lock_sock_fast()
1653 static inline bool lock_sock_fast_nested(struct sock *sk) in lock_sock_fast_nested() argument
1655 mutex_acquire(&sk->sk_lock.dep_map, SINGLE_DEPTH_NESTING, 0, _RET_IP_); in lock_sock_fast_nested()
1657 return __lock_sock_fast(sk); in lock_sock_fast_nested()
1668 static inline void unlock_sock_fast(struct sock *sk, bool slow) in unlock_sock_fast() argument
1669 __releases(&sk->sk_lock.slock) in unlock_sock_fast()
1672 release_sock(sk); in unlock_sock_fast()
1673 __release(&sk->sk_lock.slock); in unlock_sock_fast()
1675 mutex_release(&sk->sk_lock.dep_map, _RET_IP_); in unlock_sock_fast()
1676 spin_unlock_bh(&sk->sk_lock.slock); in unlock_sock_fast()
1694 static inline void sock_owned_by_me(const struct sock *sk) in sock_owned_by_me() argument
1697 WARN_ON_ONCE(!lockdep_sock_is_held(sk) && debug_locks); in sock_owned_by_me()
1701 static inline bool sock_owned_by_user(const struct sock *sk) in sock_owned_by_user() argument
1703 sock_owned_by_me(sk); in sock_owned_by_user()
1704 return sk->sk_lock.owned; in sock_owned_by_user()
1707 static inline bool sock_owned_by_user_nocheck(const struct sock *sk) in sock_owned_by_user_nocheck() argument
1709 return sk->sk_lock.owned; in sock_owned_by_user_nocheck()
1715 struct sock *sk = (struct sock *)csk; in sock_allow_reclassification() local
1717 return !sk->sk_lock.owned && !spin_is_locked(&sk->sk_lock.slock); in sock_allow_reclassification()
1722 void sk_free(struct sock *sk);
1723 void sk_destruct(struct sock *sk);
1724 struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority);
1725 void sk_free_unlock_clone(struct sock *sk);
1727 struct sk_buff *sock_wmalloc(struct sock *sk, unsigned long size, int force,
1731 struct sk_buff *sock_omalloc(struct sock *sk, unsigned long size,
1750 struct sk_buff *sock_alloc_send_skb(struct sock *sk, unsigned long size,
1752 struct sk_buff *sock_alloc_send_pskb(struct sock *sk, unsigned long header_len,
1755 void *sock_kmalloc(struct sock *sk, int size, gfp_t priority);
1756 void sock_kfree_s(struct sock *sk, void *mem, int size);
1757 void sock_kzfree_s(struct sock *sk, void *mem, int size);
1758 void sk_send_sigurg(struct sock *sk);
1767 const struct sock *sk) in sockcm_init() argument
1769 *sockc = (struct sockcm_cookie) { .tsflags = sk->sk_tsflags }; in sockcm_init()
1772 int __sock_cmsg_send(struct sock *sk, struct msghdr *msg, struct cmsghdr *cmsg,
1774 int sock_cmsg_send(struct sock *sk, struct msghdr *msg,
1790 int sock_no_sendmsg_locked(struct sock *sk, struct msghdr *msg, size_t len);
1796 ssize_t sock_no_sendpage_locked(struct sock *sk, struct page *page,
1810 void sk_common_release(struct sock *sk);
1817 void sock_init_data(struct socket *sock, struct sock *sk);
1845 static inline void sock_put(struct sock *sk) in sock_put() argument
1847 if (refcount_dec_and_test(&sk->sk_refcnt)) in sock_put()
1848 sk_free(sk); in sock_put()
1853 void sock_gen_put(struct sock *sk);
1855 int __sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested,
1857 static inline int sk_receive_skb(struct sock *sk, struct sk_buff *skb, in sk_receive_skb() argument
1860 return __sk_receive_skb(sk, skb, nested, 1, true); in sk_receive_skb()
1863 static inline void sk_tx_queue_set(struct sock *sk, int tx_queue) in sk_tx_queue_set() argument
1868 sk->sk_tx_queue_mapping = tx_queue; in sk_tx_queue_set()
1873 static inline void sk_tx_queue_clear(struct sock *sk) in sk_tx_queue_clear() argument
1875 sk->sk_tx_queue_mapping = NO_QUEUE_MAPPING; in sk_tx_queue_clear()
1878 static inline int sk_tx_queue_get(const struct sock *sk) in sk_tx_queue_get() argument
1880 if (sk && sk->sk_tx_queue_mapping != NO_QUEUE_MAPPING) in sk_tx_queue_get()
1881 return sk->sk_tx_queue_mapping; in sk_tx_queue_get()
1886 static inline void sk_rx_queue_set(struct sock *sk, const struct sk_buff *skb) in sk_rx_queue_set() argument
1895 sk->sk_rx_queue_mapping = rx_queue; in sk_rx_queue_set()
1900 static inline void sk_rx_queue_clear(struct sock *sk) in sk_rx_queue_clear() argument
1903 sk->sk_rx_queue_mapping = NO_QUEUE_MAPPING; in sk_rx_queue_clear()
1907 static inline int sk_rx_queue_get(const struct sock *sk) in sk_rx_queue_get() argument
1910 if (sk && sk->sk_rx_queue_mapping != NO_QUEUE_MAPPING) in sk_rx_queue_get()
1911 return sk->sk_rx_queue_mapping; in sk_rx_queue_get()
1917 static inline void sk_set_socket(struct sock *sk, struct socket *sock) in sk_set_socket() argument
1919 sk->sk_socket = sock; in sk_set_socket()
1922 static inline wait_queue_head_t *sk_sleep(struct sock *sk) in sk_sleep() argument
1925 return &rcu_dereference_raw(sk->sk_wq)->wait; in sk_sleep()
1934 static inline void sock_orphan(struct sock *sk) in sock_orphan() argument
1936 write_lock_bh(&sk->sk_callback_lock); in sock_orphan()
1937 sock_set_flag(sk, SOCK_DEAD); in sock_orphan()
1938 sk_set_socket(sk, NULL); in sock_orphan()
1939 sk->sk_wq = NULL; in sock_orphan()
1940 write_unlock_bh(&sk->sk_callback_lock); in sock_orphan()
1943 static inline void sock_graft(struct sock *sk, struct socket *parent) in sock_graft() argument
1945 WARN_ON(parent->sk); in sock_graft()
1946 write_lock_bh(&sk->sk_callback_lock); in sock_graft()
1947 rcu_assign_pointer(sk->sk_wq, &parent->wq); in sock_graft()
1948 parent->sk = sk; in sock_graft()
1949 sk_set_socket(sk, parent); in sock_graft()
1950 sk->sk_uid = SOCK_INODE(parent)->i_uid; in sock_graft()
1951 security_sock_graft(sk, parent); in sock_graft()
1952 write_unlock_bh(&sk->sk_callback_lock); in sock_graft()
1955 kuid_t sock_i_uid(struct sock *sk);
1956 unsigned long sock_i_ino(struct sock *sk);
1958 static inline kuid_t sock_net_uid(const struct net *net, const struct sock *sk) in sock_net_uid() argument
1960 return sk ? sk->sk_uid : make_kuid(net->user_ns, 0); in sock_net_uid()
1970 static inline void sk_set_txhash(struct sock *sk) in sk_set_txhash() argument
1973 WRITE_ONCE(sk->sk_txhash, net_tx_rndhash()); in sk_set_txhash()
1976 static inline bool sk_rethink_txhash(struct sock *sk) in sk_rethink_txhash() argument
1978 if (sk->sk_txhash) { in sk_rethink_txhash()
1979 sk_set_txhash(sk); in sk_rethink_txhash()
1986 __sk_dst_get(struct sock *sk) in __sk_dst_get() argument
1988 return rcu_dereference_check(sk->sk_dst_cache, in __sk_dst_get()
1989 lockdep_sock_is_held(sk)); in __sk_dst_get()
1993 sk_dst_get(struct sock *sk) in sk_dst_get() argument
1998 dst = rcu_dereference(sk->sk_dst_cache); in sk_dst_get()
2005 static inline void __dst_negative_advice(struct sock *sk) in __dst_negative_advice() argument
2007 struct dst_entry *ndst, *dst = __sk_dst_get(sk); in __dst_negative_advice()
2013 rcu_assign_pointer(sk->sk_dst_cache, ndst); in __dst_negative_advice()
2014 sk_tx_queue_clear(sk); in __dst_negative_advice()
2015 sk->sk_dst_pending_confirm = 0; in __dst_negative_advice()
2020 static inline void dst_negative_advice(struct sock *sk) in dst_negative_advice() argument
2022 sk_rethink_txhash(sk); in dst_negative_advice()
2023 __dst_negative_advice(sk); in dst_negative_advice()
2027 __sk_dst_set(struct sock *sk, struct dst_entry *dst) in __sk_dst_set() argument
2031 sk_tx_queue_clear(sk); in __sk_dst_set()
2032 sk->sk_dst_pending_confirm = 0; in __sk_dst_set()
2033 old_dst = rcu_dereference_protected(sk->sk_dst_cache, in __sk_dst_set()
2034 lockdep_sock_is_held(sk)); in __sk_dst_set()
2035 rcu_assign_pointer(sk->sk_dst_cache, dst); in __sk_dst_set()
2040 sk_dst_set(struct sock *sk, struct dst_entry *dst) in sk_dst_set() argument
2044 sk_tx_queue_clear(sk); in sk_dst_set()
2045 sk->sk_dst_pending_confirm = 0; in sk_dst_set()
2046 old_dst = xchg((__force struct dst_entry **)&sk->sk_dst_cache, dst); in sk_dst_set()
2051 __sk_dst_reset(struct sock *sk) in __sk_dst_reset() argument
2053 __sk_dst_set(sk, NULL); in __sk_dst_reset()
2057 sk_dst_reset(struct sock *sk) in sk_dst_reset() argument
2059 sk_dst_set(sk, NULL); in sk_dst_reset()
2062 struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie);
2064 struct dst_entry *sk_dst_check(struct sock *sk, u32 cookie);
2066 static inline void sk_dst_confirm(struct sock *sk) in sk_dst_confirm() argument
2068 if (!READ_ONCE(sk->sk_dst_pending_confirm)) in sk_dst_confirm()
2069 WRITE_ONCE(sk->sk_dst_pending_confirm, 1); in sk_dst_confirm()
2075 struct sock *sk = skb->sk; in sock_confirm_neigh() local
2081 if (sk && READ_ONCE(sk->sk_dst_pending_confirm)) in sock_confirm_neigh()
2082 WRITE_ONCE(sk->sk_dst_pending_confirm, 0); in sock_confirm_neigh()
2086 bool sk_mc_loop(struct sock *sk);
2088 static inline bool sk_can_gso(const struct sock *sk) in sk_can_gso() argument
2090 return net_gso_ok(sk->sk_route_caps, sk->sk_gso_type); in sk_can_gso()
2093 void sk_setup_caps(struct sock *sk, struct dst_entry *dst);
2095 static inline void sk_nocaps_add(struct sock *sk, netdev_features_t flags) in sk_nocaps_add() argument
2097 sk->sk_route_nocaps |= flags; in sk_nocaps_add()
2098 sk->sk_route_caps &= ~flags; in sk_nocaps_add()
2101 static inline int skb_do_copy_data_nocache(struct sock *sk, struct sk_buff *skb, in skb_do_copy_data_nocache() argument
2110 } else if (sk->sk_route_caps & NETIF_F_NOCACHE_COPY) { in skb_do_copy_data_nocache()
2119 static inline int skb_add_data_nocache(struct sock *sk, struct sk_buff *skb, in skb_add_data_nocache() argument
2124 err = skb_do_copy_data_nocache(sk, skb, from, skb_put(skb, copy), in skb_add_data_nocache()
2132 static inline int skb_copy_to_page_nocache(struct sock *sk, struct iov_iter *from, in skb_copy_to_page_nocache() argument
2139 err = skb_do_copy_data_nocache(sk, skb, from, page_address(page) + off, in skb_copy_to_page_nocache()
2147 sk_wmem_queued_add(sk, copy); in skb_copy_to_page_nocache()
2148 sk_mem_charge(sk, copy); in skb_copy_to_page_nocache()
2158 static inline int sk_wmem_alloc_get(const struct sock *sk) in sk_wmem_alloc_get() argument
2160 return refcount_read(&sk->sk_wmem_alloc) - 1; in sk_wmem_alloc_get()
2169 static inline int sk_rmem_alloc_get(const struct sock *sk) in sk_rmem_alloc_get() argument
2171 return atomic_read(&sk->sk_rmem_alloc); in sk_rmem_alloc_get()
2180 static inline bool sk_has_allocations(const struct sock *sk) in sk_has_allocations() argument
2182 return sk_wmem_alloc_get(sk) || sk_rmem_alloc_get(sk); in sk_has_allocations()
2243 static inline void skb_set_hash_from_sk(struct sk_buff *skb, struct sock *sk) in skb_set_hash_from_sk() argument
2246 u32 txhash = READ_ONCE(sk->sk_txhash); in skb_set_hash_from_sk()
2254 void skb_set_owner_w(struct sk_buff *skb, struct sock *sk);
2264 static inline void skb_set_owner_r(struct sk_buff *skb, struct sock *sk) in skb_set_owner_r() argument
2267 skb->sk = sk; in skb_set_owner_r()
2269 atomic_add(skb->truesize, &sk->sk_rmem_alloc); in skb_set_owner_r()
2270 sk_mem_charge(sk, skb->truesize); in skb_set_owner_r()
2273 static inline __must_check bool skb_set_owner_sk_safe(struct sk_buff *skb, struct sock *sk) in skb_set_owner_sk_safe() argument
2275 if (sk && refcount_inc_not_zero(&sk->sk_refcnt)) { in skb_set_owner_sk_safe()
2278 skb->sk = sk; in skb_set_owner_sk_safe()
2293 void sk_reset_timer(struct sock *sk, struct timer_list *timer,
2296 void sk_stop_timer(struct sock *sk, struct timer_list *timer);
2298 void sk_stop_timer_sync(struct sock *sk, struct timer_list *timer);
2300 int __sk_queue_drop_skb(struct sock *sk, struct sk_buff_head *sk_queue,
2302 void (*destructor)(struct sock *sk,
2304 int __sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb);
2305 int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb);
2307 int sock_queue_err_skb(struct sock *sk, struct sk_buff *skb);
2308 struct sk_buff *sock_dequeue_err_skb(struct sock *sk);
2314 static inline int sock_error(struct sock *sk) in sock_error() argument
2321 if (likely(data_race(!sk->sk_err))) in sock_error()
2324 err = xchg(&sk->sk_err, 0); in sock_error()
2328 void sk_error_report(struct sock *sk);
2330 static inline unsigned long sock_wspace(struct sock *sk) in sock_wspace() argument
2334 if (!(sk->sk_shutdown & SEND_SHUTDOWN)) { in sock_wspace()
2335 amt = sk->sk_sndbuf - refcount_read(&sk->sk_wmem_alloc); in sock_wspace()
2346 static inline void sk_set_bit(int nr, struct sock *sk) in sk_set_bit() argument
2349 !sock_flag(sk, SOCK_FASYNC)) in sk_set_bit()
2352 set_bit(nr, &sk->sk_wq_raw->flags); in sk_set_bit()
2355 static inline void sk_clear_bit(int nr, struct sock *sk) in sk_clear_bit() argument
2358 !sock_flag(sk, SOCK_FASYNC)) in sk_clear_bit()
2361 clear_bit(nr, &sk->sk_wq_raw->flags); in sk_clear_bit()
2364 static inline void sk_wake_async(const struct sock *sk, int how, int band) in sk_wake_async() argument
2366 if (sock_flag(sk, SOCK_FASYNC)) { in sk_wake_async()
2368 sock_wake_async(rcu_dereference(sk->sk_wq), how, band); in sk_wake_async()
2383 static inline void sk_stream_moderate_sndbuf(struct sock *sk) in sk_stream_moderate_sndbuf() argument
2387 if (sk->sk_userlocks & SOCK_SNDBUF_LOCK) in sk_stream_moderate_sndbuf()
2390 val = min(sk->sk_sndbuf, sk->sk_wmem_queued >> 1); in sk_stream_moderate_sndbuf()
2392 WRITE_ONCE(sk->sk_sndbuf, max_t(u32, val, SOCK_MIN_SNDBUF)); in sk_stream_moderate_sndbuf()
2395 struct sk_buff *sk_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp,
2413 static inline struct page_frag *sk_page_frag(struct sock *sk) in sk_page_frag() argument
2415 if (gfpflags_normal_context(sk->sk_allocation)) in sk_page_frag()
2418 return &sk->sk_frag; in sk_page_frag()
2421 bool sk_page_frag_refill(struct sock *sk, struct page_frag *pfrag);
2426 static inline bool sock_writeable(const struct sock *sk) in sock_writeable() argument
2428 return refcount_read(&sk->sk_wmem_alloc) < (READ_ONCE(sk->sk_sndbuf) >> 1); in sock_writeable()
2441 static inline long sock_rcvtimeo(const struct sock *sk, bool noblock) in sock_rcvtimeo() argument
2443 return noblock ? 0 : sk->sk_rcvtimeo; in sock_rcvtimeo()
2446 static inline long sock_sndtimeo(const struct sock *sk, bool noblock) in sock_sndtimeo() argument
2448 return noblock ? 0 : sk->sk_sndtimeo; in sock_sndtimeo()
2451 static inline int sock_rcvlowat(const struct sock *sk, int waitall, int len) in sock_rcvlowat() argument
2453 int v = waitall ? len : min_t(int, READ_ONCE(sk->sk_rcvlowat), len); in sock_rcvlowat()
2484 sock_skb_set_dropcount(const struct sock *sk, struct sk_buff *skb) in sock_skb_set_dropcount() argument
2486 SOCK_SKB_CB(skb)->dropcount = sock_flag(sk, SOCK_RXQ_OVFL) ? in sock_skb_set_dropcount()
2487 atomic_read(&sk->sk_drops) : 0; in sock_skb_set_dropcount()
2490 static inline void sk_drops_add(struct sock *sk, const struct sk_buff *skb) in sk_drops_add() argument
2494 atomic_add(segs, &sk->sk_drops); in sk_drops_add()
2497 static inline ktime_t sock_read_timestamp(struct sock *sk) in sock_read_timestamp() argument
2504 seq = read_seqbegin(&sk->sk_stamp_seq); in sock_read_timestamp()
2505 kt = sk->sk_stamp; in sock_read_timestamp()
2506 } while (read_seqretry(&sk->sk_stamp_seq, seq)); in sock_read_timestamp()
2510 return READ_ONCE(sk->sk_stamp); in sock_read_timestamp()
2514 static inline void sock_write_timestamp(struct sock *sk, ktime_t kt) in sock_write_timestamp() argument
2517 write_seqlock(&sk->sk_stamp_seq); in sock_write_timestamp()
2518 sk->sk_stamp = kt; in sock_write_timestamp()
2519 write_sequnlock(&sk->sk_stamp_seq); in sock_write_timestamp()
2521 WRITE_ONCE(sk->sk_stamp, kt); in sock_write_timestamp()
2525 void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk,
2527 void __sock_recv_wifi_status(struct msghdr *msg, struct sock *sk,
2531 sock_recv_timestamp(struct msghdr *msg, struct sock *sk, struct sk_buff *skb) in sock_recv_timestamp() argument
2542 if (sock_flag(sk, SOCK_RCVTSTAMP) || in sock_recv_timestamp()
2543 (sk->sk_tsflags & SOF_TIMESTAMPING_RX_SOFTWARE) || in sock_recv_timestamp()
2544 (kt && sk->sk_tsflags & SOF_TIMESTAMPING_SOFTWARE) || in sock_recv_timestamp()
2546 (sk->sk_tsflags & SOF_TIMESTAMPING_RAW_HARDWARE))) in sock_recv_timestamp()
2547 __sock_recv_timestamp(msg, sk, skb); in sock_recv_timestamp()
2549 sock_write_timestamp(sk, kt); in sock_recv_timestamp()
2551 if (sock_flag(sk, SOCK_WIFI_STATUS) && skb->wifi_acked_valid) in sock_recv_timestamp()
2552 __sock_recv_wifi_status(msg, sk, skb); in sock_recv_timestamp()
2555 void __sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,
2559 static inline void sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk, in sock_recv_ts_and_drops() argument
2567 if (sk->sk_flags & FLAGS_TS_OR_DROPS || sk->sk_tsflags & TSFLAGS_ANY) in sock_recv_ts_and_drops()
2568 __sock_recv_ts_and_drops(msg, sk, skb); in sock_recv_ts_and_drops()
2569 else if (unlikely(sock_flag(sk, SOCK_TIMESTAMP))) in sock_recv_ts_and_drops()
2570 sock_write_timestamp(sk, skb->tstamp); in sock_recv_ts_and_drops()
2571 else if (unlikely(sk->sk_stamp == SK_DEFAULT_STAMP)) in sock_recv_ts_and_drops()
2572 sock_write_timestamp(sk, 0); in sock_recv_ts_and_drops()
2586 static inline void _sock_tx_timestamp(struct sock *sk, __u16 tsflags, in _sock_tx_timestamp() argument
2593 *tskey = sk->sk_tskey++; in _sock_tx_timestamp()
2595 if (unlikely(sock_flag(sk, SOCK_WIFI_STATUS))) in _sock_tx_timestamp()
2599 static inline void sock_tx_timestamp(struct sock *sk, __u16 tsflags, in sock_tx_timestamp() argument
2602 _sock_tx_timestamp(sk, tsflags, tx_flags, NULL); in sock_tx_timestamp()
2607 _sock_tx_timestamp(skb->sk, tsflags, &skb_shinfo(skb)->tx_flags, in skb_setup_tx_timestamp()
2620 static inline void sk_eat_skb(struct sock *sk, struct sk_buff *skb) in sk_eat_skb() argument
2622 __skb_unlink(skb, &sk->sk_receive_queue); in sk_eat_skb()
2624 !sk->sk_rx_skb_cache) { in sk_eat_skb()
2625 sk->sk_rx_skb_cache = skb; in sk_eat_skb()
2633 struct net *sock_net(const struct sock *sk) in sock_net() argument
2635 return read_pnet(&sk->sk_net); in sock_net()
2639 void sock_net_set(struct sock *sk, struct net *net) in sock_net_set() argument
2641 write_pnet(&sk->sk_net, net); in sock_net_set()
2657 static inline bool sk_fullsock(const struct sock *sk) in sk_fullsock() argument
2659 return (1 << sk->sk_state) & ~(TCPF_TIME_WAIT | TCPF_NEW_SYN_RECV); in sk_fullsock()
2663 sk_is_refcounted(struct sock *sk) in sk_is_refcounted() argument
2666 return !sk_fullsock(sk) || !sock_flag(sk, SOCK_RCU_FREE); in sk_is_refcounted()
2677 if (skb->sk) { in skb_steal_sock()
2678 struct sock *sk = skb->sk; in skb_steal_sock() local
2682 *refcounted = sk_is_refcounted(sk); in skb_steal_sock()
2684 skb->sk = NULL; in skb_steal_sock()
2685 return sk; in skb_steal_sock()
2699 struct sock *sk = skb->sk; in sk_validate_xmit_skb() local
2701 if (sk && sk_fullsock(sk) && sk->sk_validate_xmit_skb) { in sk_validate_xmit_skb()
2702 skb = sk->sk_validate_xmit_skb(sk, dev, skb); in sk_validate_xmit_skb()
2718 static inline bool sk_listener(const struct sock *sk) in sk_listener() argument
2720 return (1 << sk->sk_state) & (TCPF_LISTEN | TCPF_NEW_SYN_RECV); in sk_listener()
2723 void sock_enable_timestamp(struct sock *sk, enum sock_flags flag);
2724 int sock_recv_errqueue(struct sock *sk, struct msghdr *msg, int len, int level,
2727 bool sk_ns_capable(const struct sock *sk,
2729 bool sk_capable(const struct sock *sk, int cap);
2730 bool sk_net_capable(const struct sock *sk, int cap);
2732 void sk_get_meminfo(const struct sock *sk, u32 *meminfo);
2756 static inline int sk_get_wmem0(const struct sock *sk, const struct proto *proto) in sk_get_wmem0() argument
2760 return *(int *)((void *)sock_net(sk) + proto->sysctl_wmem_offset); in sk_get_wmem0()
2765 static inline int sk_get_rmem0(const struct sock *sk, const struct proto *proto) in sk_get_rmem0() argument
2769 return *(int *)((void *)sock_net(sk) + proto->sysctl_rmem_offset); in sk_get_rmem0()
2778 static inline void sk_pacing_shift_update(struct sock *sk, int val) in sk_pacing_shift_update() argument
2780 if (!sk || !sk_fullsock(sk) || READ_ONCE(sk->sk_pacing_shift) == val) in sk_pacing_shift_update()
2782 WRITE_ONCE(sk->sk_pacing_shift, val); in sk_pacing_shift_update()
2790 static inline bool sk_dev_equal_l3scope(struct sock *sk, int dif) in sk_dev_equal_l3scope() argument
2794 if (!sk->sk_bound_dev_if || sk->sk_bound_dev_if == dif) in sk_dev_equal_l3scope()
2797 mdif = l3mdev_master_ifindex_by_index(sock_net(sk), dif); in sk_dev_equal_l3scope()
2798 if (mdif && mdif == sk->sk_bound_dev_if) in sk_dev_equal_l3scope()
2804 void sock_def_readable(struct sock *sk);
2806 int sock_bindtoindex(struct sock *sk, int ifindex, bool lock_sk);
2807 void sock_set_timestamp(struct sock *sk, int optname, bool valbool);
2808 int sock_set_timestamping(struct sock *sk, int optname,
2811 void sock_enable_timestamps(struct sock *sk);
2812 void sock_no_linger(struct sock *sk);
2813 void sock_set_keepalive(struct sock *sk);
2814 void sock_set_priority(struct sock *sk, u32 priority);
2815 void sock_set_rcvbuf(struct sock *sk, int val);
2816 void sock_set_mark(struct sock *sk, u32 val);
2817 void sock_set_reuseaddr(struct sock *sk);
2818 void sock_set_reuseport(struct sock *sk);
2819 void sock_set_sndtimeo(struct sock *sk, s64 secs);
2821 int sock_bind_add(struct sock *sk, struct sockaddr *addr, int addr_len);
2823 static inline bool sk_is_readable(struct sock *sk) in sk_is_readable() argument
2825 if (sk->sk_prot->sock_is_readable) in sk_is_readable()
2826 return sk->sk_prot->sock_is_readable(sk); in sk_is_readable()