Lines Matching refs:sk
158 bool sk_ns_capable(const struct sock *sk, in sk_ns_capable() argument
161 return file_ns_capable(sk->sk_socket->file, user_ns, cap) && in sk_ns_capable()
175 bool sk_capable(const struct sock *sk, int cap) in sk_capable() argument
177 return sk_ns_capable(sk, &init_user_ns, cap); in sk_capable()
190 bool sk_net_capable(const struct sock *sk, int cap) in sk_net_capable() argument
192 return sk_ns_capable(sk, sock_net(sk)->user_ns, cap); in sk_net_capable()
335 void sk_set_memalloc(struct sock *sk) in sk_set_memalloc() argument
337 sock_set_flag(sk, SOCK_MEMALLOC); in sk_set_memalloc()
338 sk->sk_allocation |= __GFP_MEMALLOC; in sk_set_memalloc()
343 void sk_clear_memalloc(struct sock *sk) in sk_clear_memalloc() argument
345 sock_reset_flag(sk, SOCK_MEMALLOC); in sk_clear_memalloc()
346 sk->sk_allocation &= ~__GFP_MEMALLOC; in sk_clear_memalloc()
356 sk_mem_reclaim(sk); in sk_clear_memalloc()
360 int __sk_backlog_rcv(struct sock *sk, struct sk_buff *skb) in __sk_backlog_rcv() argument
366 BUG_ON(!sock_flag(sk, SOCK_MEMALLOC)); in __sk_backlog_rcv()
369 ret = sk->sk_backlog_rcv(sk, skb); in __sk_backlog_rcv()
418 static bool sock_needs_netstamp(const struct sock *sk) in sock_needs_netstamp() argument
420 switch (sk->sk_family) { in sock_needs_netstamp()
429 static void sock_disable_timestamp(struct sock *sk, unsigned long flags) in sock_disable_timestamp() argument
431 if (sk->sk_flags & flags) { in sock_disable_timestamp()
432 sk->sk_flags &= ~flags; in sock_disable_timestamp()
433 if (sock_needs_netstamp(sk) && in sock_disable_timestamp()
434 !(sk->sk_flags & SK_FLAGS_TIMESTAMP)) in sock_disable_timestamp()
440 int __sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) in __sock_queue_rcv_skb() argument
443 struct sk_buff_head *list = &sk->sk_receive_queue; in __sock_queue_rcv_skb()
445 if (atomic_read(&sk->sk_rmem_alloc) >= sk->sk_rcvbuf) { in __sock_queue_rcv_skb()
446 atomic_inc(&sk->sk_drops); in __sock_queue_rcv_skb()
447 trace_sock_rcvqueue_full(sk, skb); in __sock_queue_rcv_skb()
451 if (!sk_rmem_schedule(sk, skb, skb->truesize)) { in __sock_queue_rcv_skb()
452 atomic_inc(&sk->sk_drops); in __sock_queue_rcv_skb()
457 skb_set_owner_r(skb, sk); in __sock_queue_rcv_skb()
465 sock_skb_set_dropcount(sk, skb); in __sock_queue_rcv_skb()
469 if (!sock_flag(sk, SOCK_DEAD)) in __sock_queue_rcv_skb()
470 sk->sk_data_ready(sk); in __sock_queue_rcv_skb()
475 int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) in sock_queue_rcv_skb() argument
479 err = sk_filter(sk, skb); in sock_queue_rcv_skb()
483 return __sock_queue_rcv_skb(sk, skb); in sock_queue_rcv_skb()
487 int __sk_receive_skb(struct sock *sk, struct sk_buff *skb, in __sk_receive_skb() argument
492 if (sk_filter_trim_cap(sk, skb, trim_cap)) in __sk_receive_skb()
497 if (sk_rcvqueues_full(sk, sk->sk_rcvbuf)) { in __sk_receive_skb()
498 atomic_inc(&sk->sk_drops); in __sk_receive_skb()
502 bh_lock_sock_nested(sk); in __sk_receive_skb()
504 bh_lock_sock(sk); in __sk_receive_skb()
505 if (!sock_owned_by_user(sk)) { in __sk_receive_skb()
509 mutex_acquire(&sk->sk_lock.dep_map, 0, 1, _RET_IP_); in __sk_receive_skb()
511 rc = sk_backlog_rcv(sk, skb); in __sk_receive_skb()
513 mutex_release(&sk->sk_lock.dep_map, 1, _RET_IP_); in __sk_receive_skb()
514 } else if (sk_add_backlog(sk, skb, sk->sk_rcvbuf)) { in __sk_receive_skb()
515 bh_unlock_sock(sk); in __sk_receive_skb()
516 atomic_inc(&sk->sk_drops); in __sk_receive_skb()
520 bh_unlock_sock(sk); in __sk_receive_skb()
523 sock_put(sk); in __sk_receive_skb()
531 struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie) in __sk_dst_check() argument
533 struct dst_entry *dst = __sk_dst_get(sk); in __sk_dst_check()
536 sk_tx_queue_clear(sk); in __sk_dst_check()
537 sk->sk_dst_pending_confirm = 0; in __sk_dst_check()
538 RCU_INIT_POINTER(sk->sk_dst_cache, NULL); in __sk_dst_check()
547 struct dst_entry *sk_dst_check(struct sock *sk, u32 cookie) in sk_dst_check() argument
549 struct dst_entry *dst = sk_dst_get(sk); in sk_dst_check()
552 sk_dst_reset(sk); in sk_dst_check()
561 static int sock_setbindtodevice(struct sock *sk, char __user *optval, in sock_setbindtodevice() argument
566 struct net *net = sock_net(sk); in sock_setbindtodevice()
606 lock_sock(sk); in sock_setbindtodevice()
607 sk->sk_bound_dev_if = index; in sock_setbindtodevice()
608 sk_dst_reset(sk); in sock_setbindtodevice()
609 release_sock(sk); in sock_setbindtodevice()
619 static int sock_getbindtodevice(struct sock *sk, char __user *optval, in sock_getbindtodevice() argument
624 struct net *net = sock_net(sk); in sock_getbindtodevice()
627 if (sk->sk_bound_dev_if == 0) { in sock_getbindtodevice()
636 ret = netdev_get_name(net, devname, sk->sk_bound_dev_if); in sock_getbindtodevice()
659 static inline void sock_valbool_flag(struct sock *sk, int bit, int valbool) in sock_valbool_flag() argument
662 sock_set_flag(sk, bit); in sock_valbool_flag()
664 sock_reset_flag(sk, bit); in sock_valbool_flag()
667 bool sk_mc_loop(struct sock *sk) in sk_mc_loop() argument
671 if (!sk) in sk_mc_loop()
673 switch (sk->sk_family) { in sk_mc_loop()
675 return inet_sk(sk)->mc_loop; in sk_mc_loop()
678 return inet6_sk(sk)->mc_loop; in sk_mc_loop()
694 struct sock *sk = sock->sk; in sock_setsockopt() local
705 return sock_setbindtodevice(sk, optval, optlen); in sock_setsockopt()
715 lock_sock(sk); in sock_setsockopt()
722 sock_valbool_flag(sk, SOCK_DBG, valbool); in sock_setsockopt()
725 sk->sk_reuse = (valbool ? SK_CAN_REUSE : SK_NO_REUSE); in sock_setsockopt()
728 sk->sk_reuseport = valbool; in sock_setsockopt()
737 sock_valbool_flag(sk, SOCK_LOCALROUTE, valbool); in sock_setsockopt()
738 sk_dst_reset(sk); in sock_setsockopt()
741 sock_valbool_flag(sk, SOCK_BROADCAST, valbool); in sock_setsockopt()
751 sk->sk_userlocks |= SOCK_SNDBUF_LOCK; in sock_setsockopt()
752 sk->sk_sndbuf = max_t(int, val * 2, SOCK_MIN_SNDBUF); in sock_setsockopt()
754 sk->sk_write_space(sk); in sock_setsockopt()
772 sk->sk_userlocks |= SOCK_RCVBUF_LOCK; in sock_setsockopt()
788 sk->sk_rcvbuf = max_t(int, val * 2, SOCK_MIN_RCVBUF); in sock_setsockopt()
799 if (sk->sk_prot->keepalive) in sock_setsockopt()
800 sk->sk_prot->keepalive(sk, valbool); in sock_setsockopt()
801 sock_valbool_flag(sk, SOCK_KEEPOPEN, valbool); in sock_setsockopt()
805 sock_valbool_flag(sk, SOCK_URGINLINE, valbool); in sock_setsockopt()
809 sk->sk_no_check_tx = valbool; in sock_setsockopt()
814 ns_capable(sock_net(sk)->user_ns, CAP_NET_ADMIN)) in sock_setsockopt()
815 sk->sk_priority = val; in sock_setsockopt()
830 sock_reset_flag(sk, SOCK_LINGER); in sock_setsockopt()
834 sk->sk_lingertime = MAX_SCHEDULE_TIMEOUT; in sock_setsockopt()
837 sk->sk_lingertime = (unsigned int)ling.l_linger * HZ; in sock_setsockopt()
838 sock_set_flag(sk, SOCK_LINGER); in sock_setsockopt()
857 sock_reset_flag(sk, SOCK_RCVTSTAMPNS); in sock_setsockopt()
859 sock_set_flag(sk, SOCK_RCVTSTAMPNS); in sock_setsockopt()
860 sock_set_flag(sk, SOCK_RCVTSTAMP); in sock_setsockopt()
861 sock_enable_timestamp(sk, SOCK_TIMESTAMP); in sock_setsockopt()
863 sock_reset_flag(sk, SOCK_RCVTSTAMP); in sock_setsockopt()
864 sock_reset_flag(sk, SOCK_RCVTSTAMPNS); in sock_setsockopt()
875 !(sk->sk_tsflags & SOF_TIMESTAMPING_OPT_ID)) { in sock_setsockopt()
876 if (sk->sk_protocol == IPPROTO_TCP && in sock_setsockopt()
877 sk->sk_type == SOCK_STREAM) { in sock_setsockopt()
878 if ((1 << sk->sk_state) & in sock_setsockopt()
883 sk->sk_tskey = tcp_sk(sk)->snd_una; in sock_setsockopt()
885 sk->sk_tskey = 0; in sock_setsockopt()
895 sk->sk_tsflags = val; in sock_setsockopt()
897 sock_enable_timestamp(sk, in sock_setsockopt()
900 sock_disable_timestamp(sk, in sock_setsockopt()
907 sk->sk_rcvlowat = val ? : 1; in sock_setsockopt()
911 ret = sock_set_timeout(&sk->sk_rcvtimeo, optval, optlen); in sock_setsockopt()
915 ret = sock_set_timeout(&sk->sk_sndtimeo, optval, optlen); in sock_setsockopt()
927 ret = sk_attach_filter(&fprog, sk); in sock_setsockopt()
940 ret = sk_attach_bpf(ufd, sk); in sock_setsockopt()
953 ret = sk_reuseport_attach_filter(&fprog, sk); in sock_setsockopt()
966 ret = sk_reuseport_attach_bpf(ufd, sk); in sock_setsockopt()
971 ret = sk_detach_filter(sk); in sock_setsockopt()
975 if (sock_flag(sk, SOCK_FILTER_LOCKED) && !valbool) in sock_setsockopt()
978 sock_valbool_flag(sk, SOCK_FILTER_LOCKED, valbool); in sock_setsockopt()
988 if (!ns_capable(sock_net(sk)->user_ns, CAP_NET_ADMIN)) in sock_setsockopt()
991 sk->sk_mark = val; in sock_setsockopt()
995 sock_valbool_flag(sk, SOCK_RXQ_OVFL, valbool); in sock_setsockopt()
999 sock_valbool_flag(sk, SOCK_WIFI_STATUS, valbool); in sock_setsockopt()
1004 ret = sock->ops->set_peek_off(sk, val); in sock_setsockopt()
1010 sock_valbool_flag(sk, SOCK_NOFCS, valbool); in sock_setsockopt()
1014 sock_valbool_flag(sk, SOCK_SELECT_ERR_QUEUE, valbool); in sock_setsockopt()
1020 if ((val > sk->sk_ll_usec) && !capable(CAP_NET_ADMIN)) in sock_setsockopt()
1026 sk->sk_ll_usec = val; in sock_setsockopt()
1033 cmpxchg(&sk->sk_pacing_status, in sock_setsockopt()
1036 sk->sk_max_pacing_rate = val; in sock_setsockopt()
1037 sk->sk_pacing_rate = min(sk->sk_pacing_rate, in sock_setsockopt()
1038 sk->sk_max_pacing_rate); in sock_setsockopt()
1042 WRITE_ONCE(sk->sk_incoming_cpu, val); in sock_setsockopt()
1047 dst_negative_advice(sk); in sock_setsockopt()
1051 if (sk->sk_family != PF_INET && sk->sk_family != PF_INET6) in sock_setsockopt()
1053 else if (sk->sk_protocol != IPPROTO_TCP) in sock_setsockopt()
1055 else if (sk->sk_state != TCP_CLOSE) in sock_setsockopt()
1060 sock_valbool_flag(sk, SOCK_ZEROCOPY, valbool); in sock_setsockopt()
1067 release_sock(sk); in sock_setsockopt()
1101 struct sock *sk = sock->sk; in sock_getsockopt() local
1122 v.val = sock_flag(sk, SOCK_DBG); in sock_getsockopt()
1126 v.val = sock_flag(sk, SOCK_LOCALROUTE); in sock_getsockopt()
1130 v.val = sock_flag(sk, SOCK_BROADCAST); in sock_getsockopt()
1134 v.val = sk->sk_sndbuf; in sock_getsockopt()
1138 v.val = sk->sk_rcvbuf; in sock_getsockopt()
1142 v.val = sk->sk_reuse; in sock_getsockopt()
1146 v.val = sk->sk_reuseport; in sock_getsockopt()
1150 v.val = sock_flag(sk, SOCK_KEEPOPEN); in sock_getsockopt()
1154 v.val = sk->sk_type; in sock_getsockopt()
1158 v.val = sk->sk_protocol; in sock_getsockopt()
1162 v.val = sk->sk_family; in sock_getsockopt()
1166 v.val = -sock_error(sk); in sock_getsockopt()
1168 v.val = xchg(&sk->sk_err_soft, 0); in sock_getsockopt()
1172 v.val = sock_flag(sk, SOCK_URGINLINE); in sock_getsockopt()
1176 v.val = sk->sk_no_check_tx; in sock_getsockopt()
1180 v.val = sk->sk_priority; in sock_getsockopt()
1185 v.ling.l_onoff = sock_flag(sk, SOCK_LINGER); in sock_getsockopt()
1186 v.ling.l_linger = sk->sk_lingertime / HZ; in sock_getsockopt()
1194 v.val = sock_flag(sk, SOCK_RCVTSTAMP) && in sock_getsockopt()
1195 !sock_flag(sk, SOCK_RCVTSTAMPNS); in sock_getsockopt()
1199 v.val = sock_flag(sk, SOCK_RCVTSTAMPNS); in sock_getsockopt()
1203 v.val = sk->sk_tsflags; in sock_getsockopt()
1208 if (sk->sk_rcvtimeo == MAX_SCHEDULE_TIMEOUT) { in sock_getsockopt()
1212 v.tm.tv_sec = sk->sk_rcvtimeo / HZ; in sock_getsockopt()
1213 v.tm.tv_usec = ((sk->sk_rcvtimeo % HZ) * USEC_PER_SEC) / HZ; in sock_getsockopt()
1219 if (sk->sk_sndtimeo == MAX_SCHEDULE_TIMEOUT) { in sock_getsockopt()
1223 v.tm.tv_sec = sk->sk_sndtimeo / HZ; in sock_getsockopt()
1224 v.tm.tv_usec = ((sk->sk_sndtimeo % HZ) * USEC_PER_SEC) / HZ; in sock_getsockopt()
1229 v.val = sk->sk_rcvlowat; in sock_getsockopt()
1245 cred_to_ucred(sk->sk_peer_pid, sk->sk_peer_cred, &peercred); in sock_getsockopt()
1255 if (!sk->sk_peer_cred) in sock_getsockopt()
1258 n = sk->sk_peer_cred->group_info->ngroups; in sock_getsockopt()
1266 sk->sk_peer_cred->group_info); in sock_getsockopt()
1289 v.val = sk->sk_state == TCP_LISTEN; in sock_getsockopt()
1300 v.val = sk->sk_mark; in sock_getsockopt()
1304 v.val = sock_flag(sk, SOCK_RXQ_OVFL); in sock_getsockopt()
1308 v.val = sock_flag(sk, SOCK_WIFI_STATUS); in sock_getsockopt()
1315 v.val = sk->sk_peek_off; in sock_getsockopt()
1318 v.val = sock_flag(sk, SOCK_NOFCS); in sock_getsockopt()
1322 return sock_getbindtodevice(sk, optval, optlen, len); in sock_getsockopt()
1325 len = sk_get_filter(sk, (struct sock_filter __user *)optval, len); in sock_getsockopt()
1332 v.val = sock_flag(sk, SOCK_FILTER_LOCKED); in sock_getsockopt()
1340 v.val = sock_flag(sk, SOCK_SELECT_ERR_QUEUE); in sock_getsockopt()
1345 v.val = sk->sk_ll_usec; in sock_getsockopt()
1350 v.val = sk->sk_max_pacing_rate; in sock_getsockopt()
1354 v.val = READ_ONCE(sk->sk_incoming_cpu); in sock_getsockopt()
1361 sk_get_meminfo(sk, meminfo); in sock_getsockopt()
1372 v.val = READ_ONCE(sk->sk_napi_id); in sock_getsockopt()
1385 v.val64 = sock_gen_cookie(sk); in sock_getsockopt()
1389 v.val = sock_flag(sk, SOCK_ZEROCOPY); in sock_getsockopt()
1414 static inline void sock_lock_init(struct sock *sk) in sock_lock_init() argument
1416 if (sk->sk_kern_sock) in sock_lock_init()
1418 sk, in sock_lock_init()
1419 af_family_kern_slock_key_strings[sk->sk_family], in sock_lock_init()
1420 af_family_kern_slock_keys + sk->sk_family, in sock_lock_init()
1421 af_family_kern_key_strings[sk->sk_family], in sock_lock_init()
1422 af_family_kern_keys + sk->sk_family); in sock_lock_init()
1425 sk, in sock_lock_init()
1426 af_family_slock_key_strings[sk->sk_family], in sock_lock_init()
1427 af_family_slock_keys + sk->sk_family, in sock_lock_init()
1428 af_family_key_strings[sk->sk_family], in sock_lock_init()
1429 af_family_keys + sk->sk_family); in sock_lock_init()
1456 struct sock *sk; in sk_prot_alloc() local
1461 sk = kmem_cache_alloc(slab, priority & ~__GFP_ZERO); in sk_prot_alloc()
1462 if (!sk) in sk_prot_alloc()
1463 return sk; in sk_prot_alloc()
1465 sk_prot_clear_nulls(sk, prot->obj_size); in sk_prot_alloc()
1467 sk = kmalloc(prot->obj_size, priority); in sk_prot_alloc()
1469 if (sk != NULL) { in sk_prot_alloc()
1470 if (security_sk_alloc(sk, family, priority)) in sk_prot_alloc()
1475 sk_tx_queue_clear(sk); in sk_prot_alloc()
1478 return sk; in sk_prot_alloc()
1481 security_sk_free(sk); in sk_prot_alloc()
1484 kmem_cache_free(slab, sk); in sk_prot_alloc()
1486 kfree(sk); in sk_prot_alloc()
1490 static void sk_prot_free(struct proto *prot, struct sock *sk) in sk_prot_free() argument
1498 cgroup_sk_free(&sk->sk_cgrp_data); in sk_prot_free()
1499 mem_cgroup_sk_free(sk); in sk_prot_free()
1500 security_sk_free(sk); in sk_prot_free()
1502 kmem_cache_free(slab, sk); in sk_prot_free()
1504 kfree(sk); in sk_prot_free()
1519 struct sock *sk; in sk_alloc() local
1521 sk = sk_prot_alloc(prot, priority | __GFP_ZERO, family); in sk_alloc()
1522 if (sk) { in sk_alloc()
1523 sk->sk_family = family; in sk_alloc()
1528 sk->sk_prot = sk->sk_prot_creator = prot; in sk_alloc()
1529 sk->sk_kern_sock = kern; in sk_alloc()
1530 sock_lock_init(sk); in sk_alloc()
1531 sk->sk_net_refcnt = kern ? 0 : 1; in sk_alloc()
1532 if (likely(sk->sk_net_refcnt)) in sk_alloc()
1534 sock_net_set(sk, net); in sk_alloc()
1535 refcount_set(&sk->sk_wmem_alloc, 1); in sk_alloc()
1537 mem_cgroup_sk_alloc(sk); in sk_alloc()
1538 cgroup_sk_alloc(&sk->sk_cgrp_data); in sk_alloc()
1539 sock_update_classid(&sk->sk_cgrp_data); in sk_alloc()
1540 sock_update_netprioidx(&sk->sk_cgrp_data); in sk_alloc()
1543 return sk; in sk_alloc()
1552 struct sock *sk = container_of(head, struct sock, sk_rcu); in __sk_destruct() local
1555 if (sk->sk_destruct) in __sk_destruct()
1556 sk->sk_destruct(sk); in __sk_destruct()
1558 filter = rcu_dereference_check(sk->sk_filter, in __sk_destruct()
1559 refcount_read(&sk->sk_wmem_alloc) == 0); in __sk_destruct()
1561 sk_filter_uncharge(sk, filter); in __sk_destruct()
1562 RCU_INIT_POINTER(sk->sk_filter, NULL); in __sk_destruct()
1565 sock_disable_timestamp(sk, SK_FLAGS_TIMESTAMP); in __sk_destruct()
1567 if (atomic_read(&sk->sk_omem_alloc)) in __sk_destruct()
1569 __func__, atomic_read(&sk->sk_omem_alloc)); in __sk_destruct()
1571 if (sk->sk_frag.page) { in __sk_destruct()
1572 put_page(sk->sk_frag.page); in __sk_destruct()
1573 sk->sk_frag.page = NULL; in __sk_destruct()
1576 if (sk->sk_peer_cred) in __sk_destruct()
1577 put_cred(sk->sk_peer_cred); in __sk_destruct()
1578 put_pid(sk->sk_peer_pid); in __sk_destruct()
1579 if (likely(sk->sk_net_refcnt)) in __sk_destruct()
1580 put_net(sock_net(sk)); in __sk_destruct()
1581 sk_prot_free(sk->sk_prot_creator, sk); in __sk_destruct()
1584 void sk_destruct(struct sock *sk) in sk_destruct() argument
1586 bool use_call_rcu = sock_flag(sk, SOCK_RCU_FREE); in sk_destruct()
1588 if (rcu_access_pointer(sk->sk_reuseport_cb)) { in sk_destruct()
1589 reuseport_detach_sock(sk); in sk_destruct()
1594 call_rcu(&sk->sk_rcu, __sk_destruct); in sk_destruct()
1596 __sk_destruct(&sk->sk_rcu); in sk_destruct()
1599 static void __sk_free(struct sock *sk) in __sk_free() argument
1601 if (unlikely(sk->sk_net_refcnt && sock_diag_has_destroy_listeners(sk))) in __sk_free()
1602 sock_diag_broadcast_destroy(sk); in __sk_free()
1604 sk_destruct(sk); in __sk_free()
1607 void sk_free(struct sock *sk) in sk_free() argument
1614 if (refcount_dec_and_test(&sk->sk_wmem_alloc)) in sk_free()
1615 __sk_free(sk); in sk_free()
1619 static void sk_init_common(struct sock *sk) in sk_init_common() argument
1621 skb_queue_head_init(&sk->sk_receive_queue); in sk_init_common()
1622 skb_queue_head_init(&sk->sk_write_queue); in sk_init_common()
1623 skb_queue_head_init(&sk->sk_error_queue); in sk_init_common()
1625 rwlock_init(&sk->sk_callback_lock); in sk_init_common()
1626 lockdep_set_class_and_name(&sk->sk_receive_queue.lock, in sk_init_common()
1627 af_rlock_keys + sk->sk_family, in sk_init_common()
1628 af_family_rlock_key_strings[sk->sk_family]); in sk_init_common()
1629 lockdep_set_class_and_name(&sk->sk_write_queue.lock, in sk_init_common()
1630 af_wlock_keys + sk->sk_family, in sk_init_common()
1631 af_family_wlock_key_strings[sk->sk_family]); in sk_init_common()
1632 lockdep_set_class_and_name(&sk->sk_error_queue.lock, in sk_init_common()
1633 af_elock_keys + sk->sk_family, in sk_init_common()
1634 af_family_elock_key_strings[sk->sk_family]); in sk_init_common()
1635 lockdep_set_class_and_name(&sk->sk_callback_lock, in sk_init_common()
1636 af_callback_keys + sk->sk_family, in sk_init_common()
1637 af_family_clock_key_strings[sk->sk_family]); in sk_init_common()
1647 struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority) in sk_clone_lock() argument
1652 newsk = sk_prot_alloc(sk->sk_prot, priority, sk->sk_family); in sk_clone_lock()
1656 sock_copy(newsk, sk); in sk_clone_lock()
1658 newsk->sk_prot_creator = sk->sk_prot; in sk_clone_lock()
1683 newsk->sk_userlocks = sk->sk_userlocks & ~SOCK_BINDPORT_LOCK; in sk_clone_lock()
1694 filter = rcu_dereference(sk->sk_filter); in sk_clone_lock()
1704 if (unlikely(!is_charged || xfrm_sk_clone_policy(newsk, sk))) { in sk_clone_lock()
1748 if (sock_needs_netstamp(sk) && in sk_clone_lock()
1757 void sk_free_unlock_clone(struct sock *sk) in sk_free_unlock_clone() argument
1761 sk->sk_destruct = NULL; in sk_free_unlock_clone()
1762 bh_unlock_sock(sk); in sk_free_unlock_clone()
1763 sk_free(sk); in sk_free_unlock_clone()
1767 void sk_setup_caps(struct sock *sk, struct dst_entry *dst) in sk_setup_caps() argument
1771 sk_dst_set(sk, dst); in sk_setup_caps()
1772 sk->sk_route_caps = dst->dev->features; in sk_setup_caps()
1773 if (sk->sk_route_caps & NETIF_F_GSO) in sk_setup_caps()
1774 sk->sk_route_caps |= NETIF_F_GSO_SOFTWARE; in sk_setup_caps()
1775 sk->sk_route_caps &= ~sk->sk_route_nocaps; in sk_setup_caps()
1776 if (sk_can_gso(sk)) { in sk_setup_caps()
1778 sk->sk_route_caps &= ~NETIF_F_GSO_MASK; in sk_setup_caps()
1780 sk->sk_route_caps |= NETIF_F_SG | NETIF_F_HW_CSUM; in sk_setup_caps()
1781 sk->sk_gso_max_size = dst->dev->gso_max_size; in sk_setup_caps()
1785 sk->sk_gso_max_segs = max_segs; in sk_setup_caps()
1799 struct sock *sk = skb->sk; in sock_wfree() local
1802 if (!sock_flag(sk, SOCK_USE_WRITE_QUEUE)) { in sock_wfree()
1807 WARN_ON(refcount_sub_and_test(len - 1, &sk->sk_wmem_alloc)); in sock_wfree()
1808 sk->sk_write_space(sk); in sock_wfree()
1815 if (refcount_sub_and_test(len, &sk->sk_wmem_alloc)) in sock_wfree()
1816 __sk_free(sk); in sock_wfree()
1825 struct sock *sk = skb->sk; in __sock_wfree() local
1827 if (refcount_sub_and_test(skb->truesize, &sk->sk_wmem_alloc)) in __sock_wfree()
1828 __sk_free(sk); in __sock_wfree()
1831 void skb_set_owner_w(struct sk_buff *skb, struct sock *sk) in skb_set_owner_w() argument
1834 skb->sk = sk; in skb_set_owner_w()
1836 if (unlikely(!sk_fullsock(sk))) { in skb_set_owner_w()
1838 sock_hold(sk); in skb_set_owner_w()
1843 skb_set_hash_from_sk(skb, sk); in skb_set_owner_w()
1849 refcount_add(skb->truesize, &sk->sk_wmem_alloc); in skb_set_owner_w()
1869 struct sock *sk = skb->sk; in skb_orphan_partial() local
1871 if (refcount_inc_not_zero(&sk->sk_refcnt)) { in skb_orphan_partial()
1872 WARN_ON(refcount_sub_and_test(skb->truesize, &sk->sk_wmem_alloc)); in skb_orphan_partial()
1886 struct sock *sk = skb->sk; in sock_rfree() local
1889 atomic_sub(len, &sk->sk_rmem_alloc); in sock_rfree()
1890 sk_mem_uncharge(sk, len); in sock_rfree()
1900 sock_put(skb->sk); in sock_efree()
1904 kuid_t sock_i_uid(struct sock *sk) in sock_i_uid() argument
1908 read_lock_bh(&sk->sk_callback_lock); in sock_i_uid()
1909 uid = sk->sk_socket ? SOCK_INODE(sk->sk_socket)->i_uid : GLOBAL_ROOT_UID; in sock_i_uid()
1910 read_unlock_bh(&sk->sk_callback_lock); in sock_i_uid()
1915 unsigned long sock_i_ino(struct sock *sk) in sock_i_ino() argument
1919 read_lock_bh(&sk->sk_callback_lock); in sock_i_ino()
1920 ino = sk->sk_socket ? SOCK_INODE(sk->sk_socket)->i_ino : 0; in sock_i_ino()
1921 read_unlock_bh(&sk->sk_callback_lock); in sock_i_ino()
1929 struct sk_buff *sock_wmalloc(struct sock *sk, unsigned long size, int force, in sock_wmalloc() argument
1932 if (force || refcount_read(&sk->sk_wmem_alloc) < sk->sk_sndbuf) { in sock_wmalloc()
1935 skb_set_owner_w(skb, sk); in sock_wmalloc()
1945 struct sock *sk = skb->sk; in sock_ofree() local
1947 atomic_sub(skb->truesize, &sk->sk_omem_alloc); in sock_ofree()
1950 struct sk_buff *sock_omalloc(struct sock *sk, unsigned long size, in sock_omalloc() argument
1956 if (atomic_read(&sk->sk_omem_alloc) + SKB_TRUESIZE(size) > in sock_omalloc()
1964 atomic_add(skb->truesize, &sk->sk_omem_alloc); in sock_omalloc()
1965 skb->sk = sk; in sock_omalloc()
1973 void *sock_kmalloc(struct sock *sk, int size, gfp_t priority) in sock_kmalloc() argument
1976 atomic_read(&sk->sk_omem_alloc) + size < sysctl_optmem_max) { in sock_kmalloc()
1981 atomic_add(size, &sk->sk_omem_alloc); in sock_kmalloc()
1985 atomic_sub(size, &sk->sk_omem_alloc); in sock_kmalloc()
1995 static inline void __sock_kfree_s(struct sock *sk, void *mem, int size, in __sock_kfree_s() argument
2004 atomic_sub(size, &sk->sk_omem_alloc); in __sock_kfree_s()
2007 void sock_kfree_s(struct sock *sk, void *mem, int size) in sock_kfree_s() argument
2009 __sock_kfree_s(sk, mem, size, false); in sock_kfree_s()
2013 void sock_kzfree_s(struct sock *sk, void *mem, int size) in sock_kzfree_s() argument
2015 __sock_kfree_s(sk, mem, size, true); in sock_kzfree_s()
2022 static long sock_wait_for_wmem(struct sock *sk, long timeo) in sock_wait_for_wmem() argument
2026 sk_clear_bit(SOCKWQ_ASYNC_NOSPACE, sk); in sock_wait_for_wmem()
2032 set_bit(SOCK_NOSPACE, &sk->sk_socket->flags); in sock_wait_for_wmem()
2033 prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); in sock_wait_for_wmem()
2034 if (refcount_read(&sk->sk_wmem_alloc) < sk->sk_sndbuf) in sock_wait_for_wmem()
2036 if (sk->sk_shutdown & SEND_SHUTDOWN) in sock_wait_for_wmem()
2038 if (sk->sk_err) in sock_wait_for_wmem()
2042 finish_wait(sk_sleep(sk), &wait); in sock_wait_for_wmem()
2051 struct sk_buff *sock_alloc_send_pskb(struct sock *sk, unsigned long header_len, in sock_alloc_send_pskb() argument
2059 timeo = sock_sndtimeo(sk, noblock); in sock_alloc_send_pskb()
2061 err = sock_error(sk); in sock_alloc_send_pskb()
2066 if (sk->sk_shutdown & SEND_SHUTDOWN) in sock_alloc_send_pskb()
2069 if (sk_wmem_alloc_get(sk) < sk->sk_sndbuf) in sock_alloc_send_pskb()
2072 sk_set_bit(SOCKWQ_ASYNC_NOSPACE, sk); in sock_alloc_send_pskb()
2073 set_bit(SOCK_NOSPACE, &sk->sk_socket->flags); in sock_alloc_send_pskb()
2079 timeo = sock_wait_for_wmem(sk, timeo); in sock_alloc_send_pskb()
2082 errcode, sk->sk_allocation); in sock_alloc_send_pskb()
2084 skb_set_owner_w(skb, sk); in sock_alloc_send_pskb()
2095 struct sk_buff *sock_alloc_send_skb(struct sock *sk, unsigned long size, in sock_alloc_send_skb() argument
2098 return sock_alloc_send_pskb(sk, size, 0, noblock, errcode, 0); in sock_alloc_send_skb()
2102 int __sock_cmsg_send(struct sock *sk, struct msghdr *msg, struct cmsghdr *cmsg, in __sock_cmsg_send() argument
2109 if (!ns_capable(sock_net(sk)->user_ns, CAP_NET_ADMIN)) in __sock_cmsg_send()
2137 int sock_cmsg_send(struct sock *sk, struct msghdr *msg, in sock_cmsg_send() argument
2148 ret = __sock_cmsg_send(sk, msg, cmsg, sockc); in sock_cmsg_send()
2156 static void sk_enter_memory_pressure(struct sock *sk) in sk_enter_memory_pressure() argument
2158 if (!sk->sk_prot->enter_memory_pressure) in sk_enter_memory_pressure()
2161 sk->sk_prot->enter_memory_pressure(sk); in sk_enter_memory_pressure()
2164 static void sk_leave_memory_pressure(struct sock *sk) in sk_leave_memory_pressure() argument
2166 if (sk->sk_prot->leave_memory_pressure) { in sk_leave_memory_pressure()
2167 sk->sk_prot->leave_memory_pressure(sk); in sk_leave_memory_pressure()
2169 unsigned long *memory_pressure = sk->sk_prot->memory_pressure; in sk_leave_memory_pressure()
2222 bool sk_page_frag_refill(struct sock *sk, struct page_frag *pfrag) in sk_page_frag_refill() argument
2224 if (likely(skb_page_frag_refill(32U, pfrag, sk->sk_allocation))) in sk_page_frag_refill()
2227 sk_enter_memory_pressure(sk); in sk_page_frag_refill()
2228 sk_stream_moderate_sndbuf(sk); in sk_page_frag_refill()
2233 static void __lock_sock(struct sock *sk) in __lock_sock() argument
2234 __releases(&sk->sk_lock.slock) in __lock_sock()
2235 __acquires(&sk->sk_lock.slock) in __lock_sock()
2240 prepare_to_wait_exclusive(&sk->sk_lock.wq, &wait, in __lock_sock()
2242 spin_unlock_bh(&sk->sk_lock.slock); in __lock_sock()
2244 spin_lock_bh(&sk->sk_lock.slock); in __lock_sock()
2245 if (!sock_owned_by_user(sk)) in __lock_sock()
2248 finish_wait(&sk->sk_lock.wq, &wait); in __lock_sock()
2251 void __release_sock(struct sock *sk) in __release_sock() argument
2252 __releases(&sk->sk_lock.slock) in __release_sock()
2253 __acquires(&sk->sk_lock.slock) in __release_sock()
2257 while ((skb = sk->sk_backlog.head) != NULL) { in __release_sock()
2258 sk->sk_backlog.head = sk->sk_backlog.tail = NULL; in __release_sock()
2260 spin_unlock_bh(&sk->sk_lock.slock); in __release_sock()
2267 sk_backlog_rcv(sk, skb); in __release_sock()
2274 spin_lock_bh(&sk->sk_lock.slock); in __release_sock()
2281 sk->sk_backlog.len = 0; in __release_sock()
2284 void __sk_flush_backlog(struct sock *sk) in __sk_flush_backlog() argument
2286 spin_lock_bh(&sk->sk_lock.slock); in __sk_flush_backlog()
2287 __release_sock(sk); in __sk_flush_backlog()
2288 spin_unlock_bh(&sk->sk_lock.slock); in __sk_flush_backlog()
2302 int sk_wait_data(struct sock *sk, long *timeo, const struct sk_buff *skb) in sk_wait_data() argument
2307 add_wait_queue(sk_sleep(sk), &wait); in sk_wait_data()
2308 sk_set_bit(SOCKWQ_ASYNC_WAITDATA, sk); in sk_wait_data()
2309 rc = sk_wait_event(sk, timeo, skb_peek_tail(&sk->sk_receive_queue) != skb, &wait); in sk_wait_data()
2310 sk_clear_bit(SOCKWQ_ASYNC_WAITDATA, sk); in sk_wait_data()
2311 remove_wait_queue(sk_sleep(sk), &wait); in sk_wait_data()
2325 int __sk_mem_raise_allocated(struct sock *sk, int size, int amt, int kind) in __sk_mem_raise_allocated() argument
2327 struct proto *prot = sk->sk_prot; in __sk_mem_raise_allocated()
2328 long allocated = sk_memory_allocated_add(sk, amt); in __sk_mem_raise_allocated()
2330 if (mem_cgroup_sockets_enabled && sk->sk_memcg && in __sk_mem_raise_allocated()
2331 !mem_cgroup_charge_skmem(sk->sk_memcg, amt)) in __sk_mem_raise_allocated()
2335 if (allocated <= sk_prot_mem_limits(sk, 0)) { in __sk_mem_raise_allocated()
2336 sk_leave_memory_pressure(sk); in __sk_mem_raise_allocated()
2341 if (allocated > sk_prot_mem_limits(sk, 1)) in __sk_mem_raise_allocated()
2342 sk_enter_memory_pressure(sk); in __sk_mem_raise_allocated()
2345 if (allocated > sk_prot_mem_limits(sk, 2)) in __sk_mem_raise_allocated()
2350 if (atomic_read(&sk->sk_rmem_alloc) < prot->sysctl_rmem[0]) in __sk_mem_raise_allocated()
2354 if (sk->sk_type == SOCK_STREAM) { in __sk_mem_raise_allocated()
2355 if (sk->sk_wmem_queued < prot->sysctl_wmem[0]) in __sk_mem_raise_allocated()
2357 } else if (refcount_read(&sk->sk_wmem_alloc) < in __sk_mem_raise_allocated()
2362 if (sk_has_memory_pressure(sk)) { in __sk_mem_raise_allocated()
2365 if (!sk_under_memory_pressure(sk)) in __sk_mem_raise_allocated()
2367 alloc = sk_sockets_allocated_read_positive(sk); in __sk_mem_raise_allocated()
2368 if (sk_prot_mem_limits(sk, 2) > alloc * in __sk_mem_raise_allocated()
2369 sk_mem_pages(sk->sk_wmem_queued + in __sk_mem_raise_allocated()
2370 atomic_read(&sk->sk_rmem_alloc) + in __sk_mem_raise_allocated()
2371 sk->sk_forward_alloc)) in __sk_mem_raise_allocated()
2377 if (kind == SK_MEM_SEND && sk->sk_type == SOCK_STREAM) { in __sk_mem_raise_allocated()
2378 sk_stream_moderate_sndbuf(sk); in __sk_mem_raise_allocated()
2383 if (sk->sk_wmem_queued + size >= sk->sk_sndbuf) in __sk_mem_raise_allocated()
2387 trace_sock_exceed_buf_limit(sk, prot, allocated); in __sk_mem_raise_allocated()
2389 sk_memory_allocated_sub(sk, amt); in __sk_mem_raise_allocated()
2391 if (mem_cgroup_sockets_enabled && sk->sk_memcg) in __sk_mem_raise_allocated()
2392 mem_cgroup_uncharge_skmem(sk->sk_memcg, amt); in __sk_mem_raise_allocated()
2408 int __sk_mem_schedule(struct sock *sk, int size, int kind) in __sk_mem_schedule() argument
2412 sk->sk_forward_alloc += amt << SK_MEM_QUANTUM_SHIFT; in __sk_mem_schedule()
2413 ret = __sk_mem_raise_allocated(sk, size, amt, kind); in __sk_mem_schedule()
2415 sk->sk_forward_alloc -= amt << SK_MEM_QUANTUM_SHIFT; in __sk_mem_schedule()
2427 void __sk_mem_reduce_allocated(struct sock *sk, int amount) in __sk_mem_reduce_allocated() argument
2429 sk_memory_allocated_sub(sk, amount); in __sk_mem_reduce_allocated()
2431 if (mem_cgroup_sockets_enabled && sk->sk_memcg) in __sk_mem_reduce_allocated()
2432 mem_cgroup_uncharge_skmem(sk->sk_memcg, amount); in __sk_mem_reduce_allocated()
2434 if (sk_under_memory_pressure(sk) && in __sk_mem_reduce_allocated()
2435 (sk_memory_allocated(sk) < sk_prot_mem_limits(sk, 0))) in __sk_mem_reduce_allocated()
2436 sk_leave_memory_pressure(sk); in __sk_mem_reduce_allocated()
2445 void __sk_mem_reclaim(struct sock *sk, int amount) in __sk_mem_reclaim() argument
2448 sk->sk_forward_alloc -= amount << SK_MEM_QUANTUM_SHIFT; in __sk_mem_reclaim()
2449 __sk_mem_reduce_allocated(sk, amount); in __sk_mem_reclaim()
2453 int sk_set_peek_off(struct sock *sk, int val) in sk_set_peek_off() argument
2455 sk->sk_peek_off = val; in sk_set_peek_off()
2544 int sock_no_sendmsg_locked(struct sock *sk, struct msghdr *m, size_t len) in sock_no_sendmsg_locked() argument
2578 ssize_t sock_no_sendpage_locked(struct sock *sk, struct page *page, in sock_no_sendpage_locked() argument
2588 res = kernel_sendmsg_locked(sk, &msg, &iov, 1, size); in sock_no_sendpage_locked()
2598 static void sock_def_wakeup(struct sock *sk) in sock_def_wakeup() argument
2603 wq = rcu_dereference(sk->sk_wq); in sock_def_wakeup()
2609 static void sock_def_error_report(struct sock *sk) in sock_def_error_report() argument
2614 wq = rcu_dereference(sk->sk_wq); in sock_def_error_report()
2617 sk_wake_async(sk, SOCK_WAKE_IO, POLL_ERR); in sock_def_error_report()
2621 static void sock_def_readable(struct sock *sk) in sock_def_readable() argument
2626 wq = rcu_dereference(sk->sk_wq); in sock_def_readable()
2630 sk_wake_async(sk, SOCK_WAKE_WAITD, POLL_IN); in sock_def_readable()
2634 static void sock_def_write_space(struct sock *sk) in sock_def_write_space() argument
2643 if ((refcount_read(&sk->sk_wmem_alloc) << 1) <= sk->sk_sndbuf) { in sock_def_write_space()
2644 wq = rcu_dereference(sk->sk_wq); in sock_def_write_space()
2650 if (sock_writeable(sk)) in sock_def_write_space()
2651 sk_wake_async(sk, SOCK_WAKE_SPACE, POLL_OUT); in sock_def_write_space()
2657 static void sock_def_destruct(struct sock *sk) in sock_def_destruct() argument
2661 void sk_send_sigurg(struct sock *sk) in sk_send_sigurg() argument
2663 if (sk->sk_socket && sk->sk_socket->file) in sk_send_sigurg()
2664 if (send_sigurg(&sk->sk_socket->file->f_owner)) in sk_send_sigurg()
2665 sk_wake_async(sk, SOCK_WAKE_URG, POLL_PRI); in sk_send_sigurg()
2669 void sk_reset_timer(struct sock *sk, struct timer_list* timer, in sk_reset_timer() argument
2673 sock_hold(sk); in sk_reset_timer()
2677 void sk_stop_timer(struct sock *sk, struct timer_list* timer) in sk_stop_timer() argument
2680 __sock_put(sk); in sk_stop_timer()
2684 void sock_init_data(struct socket *sock, struct sock *sk) in sock_init_data() argument
2686 sk_init_common(sk); in sock_init_data()
2687 sk->sk_send_head = NULL; in sock_init_data()
2689 init_timer(&sk->sk_timer); in sock_init_data()
2691 sk->sk_allocation = GFP_KERNEL; in sock_init_data()
2692 sk->sk_rcvbuf = sysctl_rmem_default; in sock_init_data()
2693 sk->sk_sndbuf = sysctl_wmem_default; in sock_init_data()
2694 sk->sk_state = TCP_CLOSE; in sock_init_data()
2695 sk_set_socket(sk, sock); in sock_init_data()
2697 sock_set_flag(sk, SOCK_ZAPPED); in sock_init_data()
2700 sk->sk_type = sock->type; in sock_init_data()
2701 sk->sk_wq = sock->wq; in sock_init_data()
2702 sock->sk = sk; in sock_init_data()
2703 sk->sk_uid = SOCK_INODE(sock)->i_uid; in sock_init_data()
2705 sk->sk_wq = NULL; in sock_init_data()
2706 sk->sk_uid = make_kuid(sock_net(sk)->user_ns, 0); in sock_init_data()
2709 rwlock_init(&sk->sk_callback_lock); in sock_init_data()
2710 if (sk->sk_kern_sock) in sock_init_data()
2712 &sk->sk_callback_lock, in sock_init_data()
2713 af_kern_callback_keys + sk->sk_family, in sock_init_data()
2714 af_family_kern_clock_key_strings[sk->sk_family]); in sock_init_data()
2717 &sk->sk_callback_lock, in sock_init_data()
2718 af_callback_keys + sk->sk_family, in sock_init_data()
2719 af_family_clock_key_strings[sk->sk_family]); in sock_init_data()
2721 sk->sk_state_change = sock_def_wakeup; in sock_init_data()
2722 sk->sk_data_ready = sock_def_readable; in sock_init_data()
2723 sk->sk_write_space = sock_def_write_space; in sock_init_data()
2724 sk->sk_error_report = sock_def_error_report; in sock_init_data()
2725 sk->sk_destruct = sock_def_destruct; in sock_init_data()
2727 sk->sk_frag.page = NULL; in sock_init_data()
2728 sk->sk_frag.offset = 0; in sock_init_data()
2729 sk->sk_peek_off = -1; in sock_init_data()
2731 sk->sk_peer_pid = NULL; in sock_init_data()
2732 sk->sk_peer_cred = NULL; in sock_init_data()
2733 sk->sk_write_pending = 0; in sock_init_data()
2734 sk->sk_rcvlowat = 1; in sock_init_data()
2735 sk->sk_rcvtimeo = MAX_SCHEDULE_TIMEOUT; in sock_init_data()
2736 sk->sk_sndtimeo = MAX_SCHEDULE_TIMEOUT; in sock_init_data()
2738 sk->sk_stamp = SK_DEFAULT_STAMP; in sock_init_data()
2740 seqlock_init(&sk->sk_stamp_seq); in sock_init_data()
2742 atomic_set(&sk->sk_zckey, 0); in sock_init_data()
2745 sk->sk_napi_id = 0; in sock_init_data()
2746 sk->sk_ll_usec = sysctl_net_busy_read; in sock_init_data()
2749 sk->sk_max_pacing_rate = ~0U; in sock_init_data()
2750 sk->sk_pacing_rate = ~0U; in sock_init_data()
2751 sk->sk_incoming_cpu = -1; in sock_init_data()
2757 refcount_set(&sk->sk_refcnt, 1); in sock_init_data()
2758 atomic_set(&sk->sk_drops, 0); in sock_init_data()
2762 void lock_sock_nested(struct sock *sk, int subclass) in lock_sock_nested() argument
2765 spin_lock_bh(&sk->sk_lock.slock); in lock_sock_nested()
2766 if (sk->sk_lock.owned) in lock_sock_nested()
2767 __lock_sock(sk); in lock_sock_nested()
2768 sk->sk_lock.owned = 1; in lock_sock_nested()
2769 spin_unlock(&sk->sk_lock.slock); in lock_sock_nested()
2773 mutex_acquire(&sk->sk_lock.dep_map, subclass, 0, _RET_IP_); in lock_sock_nested()
2778 void release_sock(struct sock *sk) in release_sock() argument
2780 spin_lock_bh(&sk->sk_lock.slock); in release_sock()
2781 if (sk->sk_backlog.tail) in release_sock()
2782 __release_sock(sk); in release_sock()
2787 if (sk->sk_prot->release_cb) in release_sock()
2788 sk->sk_prot->release_cb(sk); in release_sock()
2790 sock_release_ownership(sk); in release_sock()
2791 if (waitqueue_active(&sk->sk_lock.wq)) in release_sock()
2792 wake_up(&sk->sk_lock.wq); in release_sock()
2793 spin_unlock_bh(&sk->sk_lock.slock); in release_sock()
2810 bool lock_sock_fast(struct sock *sk) in lock_sock_fast() argument
2813 spin_lock_bh(&sk->sk_lock.slock); in lock_sock_fast()
2815 if (!sk->sk_lock.owned) in lock_sock_fast()
2821 __lock_sock(sk); in lock_sock_fast()
2822 sk->sk_lock.owned = 1; in lock_sock_fast()
2823 spin_unlock(&sk->sk_lock.slock); in lock_sock_fast()
2827 mutex_acquire(&sk->sk_lock.dep_map, 0, 0, _RET_IP_); in lock_sock_fast()
2833 int sock_get_timestamp(struct sock *sk, struct timeval __user *userstamp) in sock_get_timestamp() argument
2836 if (!sock_flag(sk, SOCK_TIMESTAMP)) in sock_get_timestamp()
2837 sock_enable_timestamp(sk, SOCK_TIMESTAMP); in sock_get_timestamp()
2838 tv = ktime_to_timeval(sk->sk_stamp); in sock_get_timestamp()
2842 sk->sk_stamp = ktime_get_real(); in sock_get_timestamp()
2843 tv = ktime_to_timeval(sk->sk_stamp); in sock_get_timestamp()
2849 int sock_get_timestampns(struct sock *sk, struct timespec __user *userstamp) in sock_get_timestampns() argument
2852 if (!sock_flag(sk, SOCK_TIMESTAMP)) in sock_get_timestampns()
2853 sock_enable_timestamp(sk, SOCK_TIMESTAMP); in sock_get_timestampns()
2854 ts = ktime_to_timespec(sk->sk_stamp); in sock_get_timestampns()
2858 sk->sk_stamp = ktime_get_real(); in sock_get_timestampns()
2859 ts = ktime_to_timespec(sk->sk_stamp); in sock_get_timestampns()
2865 void sock_enable_timestamp(struct sock *sk, int flag) in sock_enable_timestamp() argument
2867 if (!sock_flag(sk, flag)) { in sock_enable_timestamp()
2868 unsigned long previous_flags = sk->sk_flags; in sock_enable_timestamp()
2870 sock_set_flag(sk, flag); in sock_enable_timestamp()
2876 if (sock_needs_netstamp(sk) && in sock_enable_timestamp()
2882 int sock_recv_errqueue(struct sock *sk, struct msghdr *msg, int len, in sock_recv_errqueue() argument
2890 skb = sock_dequeue_err_skb(sk); in sock_recv_errqueue()
2903 sock_recv_timestamp(msg, sk, skb); in sock_recv_errqueue()
2928 struct sock *sk = sock->sk; in sock_common_getsockopt() local
2930 return sk->sk_prot->getsockopt(sk, level, optname, optval, optlen); in sock_common_getsockopt()
2938 struct sock *sk = sock->sk; in compat_sock_common_getsockopt() local
2940 if (sk->sk_prot->compat_getsockopt != NULL) in compat_sock_common_getsockopt()
2941 return sk->sk_prot->compat_getsockopt(sk, level, optname, in compat_sock_common_getsockopt()
2943 return sk->sk_prot->getsockopt(sk, level, optname, optval, optlen); in compat_sock_common_getsockopt()
2951 struct sock *sk = sock->sk; in sock_common_recvmsg() local
2955 err = sk->sk_prot->recvmsg(sk, msg, size, flags & MSG_DONTWAIT, in sock_common_recvmsg()
2969 struct sock *sk = sock->sk; in sock_common_setsockopt() local
2971 return sk->sk_prot->setsockopt(sk, level, optname, optval, optlen); in sock_common_setsockopt()
2979 struct sock *sk = sock->sk; in compat_sock_common_setsockopt() local
2981 if (sk->sk_prot->compat_setsockopt != NULL) in compat_sock_common_setsockopt()
2982 return sk->sk_prot->compat_setsockopt(sk, level, optname, in compat_sock_common_setsockopt()
2984 return sk->sk_prot->setsockopt(sk, level, optname, optval, optlen); in compat_sock_common_setsockopt()
2989 void sk_common_release(struct sock *sk) in sk_common_release() argument
2991 if (sk->sk_prot->destroy) in sk_common_release()
2992 sk->sk_prot->destroy(sk); in sk_common_release()
3002 sk->sk_prot->unhash(sk); in sk_common_release()
3016 sock_orphan(sk); in sk_common_release()
3018 xfrm_sk_free_policy(sk); in sk_common_release()
3020 sk_refcnt_debug_release(sk); in sk_common_release()
3022 sock_put(sk); in sk_common_release()
3026 void sk_get_meminfo(const struct sock *sk, u32 *mem) in sk_get_meminfo() argument
3030 mem[SK_MEMINFO_RMEM_ALLOC] = sk_rmem_alloc_get(sk); in sk_get_meminfo()
3031 mem[SK_MEMINFO_RCVBUF] = sk->sk_rcvbuf; in sk_get_meminfo()
3032 mem[SK_MEMINFO_WMEM_ALLOC] = sk_wmem_alloc_get(sk); in sk_get_meminfo()
3033 mem[SK_MEMINFO_SNDBUF] = sk->sk_sndbuf; in sk_get_meminfo()
3034 mem[SK_MEMINFO_FWD_ALLOC] = sk->sk_forward_alloc; in sk_get_meminfo()
3035 mem[SK_MEMINFO_WMEM_QUEUED] = sk->sk_wmem_queued; in sk_get_meminfo()
3036 mem[SK_MEMINFO_OPTMEM] = atomic_read(&sk->sk_omem_alloc); in sk_get_meminfo()
3037 mem[SK_MEMINFO_BACKLOG] = sk->sk_backlog.len; in sk_get_meminfo()
3038 mem[SK_MEMINFO_DROPS] = atomic_read(&sk->sk_drops); in sk_get_meminfo()
3385 struct sock *sk = p; in sk_busy_loop_end() local
3387 return !skb_queue_empty_lockless(&sk->sk_receive_queue) || in sk_busy_loop_end()
3388 sk_busy_loop_timeout(sk, start_time); in sk_busy_loop_end()