87 static inline int netlink_is_kernel(struct sock *sk)  in netlink_is_kernel()
97 static int netlink_dump(struct sock *sk);
197 	struct sock *sk = skb->sk;  in netlink_filter_tap()
221 	struct sock *sk = skb->sk;  in __netlink_deliver_tap_skb()
270 static void netlink_deliver_tap_kernel(struct sock *dst, struct sock *src,  in netlink_deliver_tap_kernel()
277 static void netlink_overrun(struct sock *sk)  in netlink_overrun()
290 static void netlink_rcv_wake(struct sock *sk)  in netlink_rcv_wake()
301 static bool netlink_rx_is_mmaped(struct sock *sk)  in netlink_rx_is_mmaped()
306 static bool netlink_tx_is_mmaped(struct sock *sk)  in netlink_tx_is_mmaped()
377 __netlink_set_ring(struct sock *sk, struct nl_mmap_req *req, bool tx_ring, void **pg_vec,  in __netlink_set_ring()
407 static int netlink_set_ring(struct sock *sk, struct nl_mmap_req *req,  in netlink_set_ring()
470 	struct socket *sock = file->private_data;  in netlink_mm_open()  local
471 	struct sock *sk = sock->sk;  in netlink_mm_open()
480 	struct socket *sock = file->private_data;  in netlink_mm_close()  local
481 	struct sock *sk = sock->sk;  in netlink_mm_close()
492 static int netlink_mmap(struct file *file, struct socket *sock,  in netlink_mmap()  argument
495 	struct sock *sk = sock->sk;  in netlink_mmap()
660 static unsigned int netlink_poll(struct file *file, struct socket *sock,  in netlink_poll()  argument
663 	struct sock *sk = sock->sk;  in netlink_poll()
684 	mask = datagram_poll(file, sock, wait);  in netlink_poll()
709 static void netlink_ring_setup_skb(struct sk_buff *skb, struct sock *sk,  in netlink_ring_setup_skb()
730 static int netlink_mmap_sendmsg(struct sock *sk, struct msghdr *msg,  in netlink_mmap_sendmsg()
808 static void netlink_queue_mmaped_skb(struct sock *sk, struct sk_buff *skb)  in netlink_queue_mmaped_skb()
825 static void netlink_ring_set_copied(struct sock *sk, struct sk_buff *skb)  in netlink_ring_set_copied()
864 	struct sock *sk;  in netlink_skb_destructor()
904 static void netlink_skb_set_owner_r(struct sk_buff *skb, struct sock *sk)  in netlink_skb_set_owner_r()
913 static void netlink_sock_destruct(struct sock *sk)  in netlink_sock_destruct()
1032 static struct sock *__netlink_lookup(struct netlink_table *table, u32 portid,  in __netlink_lookup()
1042 static int __netlink_insert(struct netlink_table *table, struct sock *sk)  in __netlink_insert()
1052 static struct sock *netlink_lookup(struct net *net, int protocol, u32 portid)  in netlink_lookup()
1055 	struct sock *sk;  in netlink_lookup()
1069 netlink_update_listeners(struct sock *sk)  in netlink_update_listeners()
1092 static int netlink_insert(struct sock *sk, u32 portid)  in netlink_insert()
1133 static void netlink_remove(struct sock *sk)  in netlink_remove()
1160 static int __netlink_create(struct net *net, struct socket *sock,  in __netlink_create()  argument
1163 	struct sock *sk;  in __netlink_create()
1166 	sock->ops = &netlink_ops;  in __netlink_create()
1172 	sock_init_data(sock, sk);  in __netlink_create()
1191 static int netlink_create(struct net *net, struct socket *sock, int protocol,  in netlink_create()  argument
1201 	sock->state = SS_UNCONNECTED;  in netlink_create()
1203 	if (sock->type != SOCK_RAW && sock->type != SOCK_DGRAM)  in netlink_create()
1230 	err = __netlink_create(net, sock, cb_mutex, protocol);  in netlink_create()
1238 	nlk = nlk_sk(sock->sk);  in netlink_create()
1257 static int netlink_release(struct socket *sock)  in netlink_release()  argument
1259 	struct sock *sk = sock->sk;  in netlink_release()
1288 	sock->sk = NULL;  in netlink_release()
1333 static int netlink_autobind(struct socket *sock)  in netlink_autobind()  argument
1335 	struct sock *sk = sock->sk;  in netlink_autobind()
1433 static inline int netlink_allowed(const struct socket *sock, unsigned int flag)  in netlink_allowed()  argument
1435 	return (nl_table[sock->sk->sk_protocol].flags & flag) ||  in netlink_allowed()
1436 		ns_capable(sock_net(sock->sk)->user_ns, CAP_NET_ADMIN);  in netlink_allowed()
1440 netlink_update_subscriptions(struct sock *sk, unsigned int subscriptions)  in netlink_update_subscriptions()
1451 static int netlink_realloc_groups(struct sock *sk)  in netlink_realloc_groups()
1485 			      struct sock *sk)  in netlink_undo_bind()
1498 static int netlink_bind(struct socket *sock, struct sockaddr *addr,  in netlink_bind()  argument
1501 	struct sock *sk = sock->sk;  in netlink_bind()
1517 		if (!netlink_allowed(sock, NL_CFG_F_NONROOT_RECV))  in netlink_bind()
1553 			netlink_autobind(sock);  in netlink_bind()
1574 static int netlink_connect(struct socket *sock, struct sockaddr *addr,  in netlink_connect()  argument
1578 	struct sock *sk = sock->sk;  in netlink_connect()
1595 	    !netlink_allowed(sock, NL_CFG_F_NONROOT_SEND))  in netlink_connect()
1602 		err = netlink_autobind(sock);  in netlink_connect()
1613 static int netlink_getname(struct socket *sock, struct sockaddr *addr,  in netlink_getname()  argument
1616 	struct sock *sk = sock->sk;  in netlink_getname()
1634 static struct sock *netlink_getsockbyportid(struct sock *ssk, u32 portid)  in netlink_getsockbyportid()
1636 	struct sock *sock;  in netlink_getsockbyportid()  local
1639 	sock = netlink_lookup(sock_net(ssk), ssk->sk_protocol, portid);  in netlink_getsockbyportid()
1640 	if (!sock)  in netlink_getsockbyportid()
1644 	nlk = nlk_sk(sock);  in netlink_getsockbyportid()
1645 	if (sock->sk_state == NETLINK_CONNECTED &&  in netlink_getsockbyportid()
1647 		sock_put(sock);  in netlink_getsockbyportid()
1650 	return sock;  in netlink_getsockbyportid()
1653 struct sock *netlink_getsockbyfilp(struct file *filp)  in netlink_getsockbyfilp()
1656 	struct sock *sock;  in netlink_getsockbyfilp()  local
1661 	sock = SOCKET_I(inode)->sk;  in netlink_getsockbyfilp()
1662 	if (sock->sk_family != AF_NETLINK)  in netlink_getsockbyfilp()
1665 	sock_hold(sock);  in netlink_getsockbyfilp()
1666 	return sock;  in netlink_getsockbyfilp()
1704 int netlink_attachskb(struct sock *sk, struct sk_buff *skb,  in netlink_attachskb()
1705 		      long *timeo, struct sock *ssk)  in netlink_attachskb()
1745 static int __netlink_sendskb(struct sock *sk, struct sk_buff *skb)  in __netlink_sendskb()
1763 int netlink_sendskb(struct sock *sk, struct sk_buff *skb)  in netlink_sendskb()
1771 void netlink_detachskb(struct sock *sk, struct sk_buff *skb)  in netlink_detachskb()
1803 static int netlink_unicast_kernel(struct sock *sk, struct sk_buff *skb,  in netlink_unicast_kernel()
1804 				  struct sock *ssk)  in netlink_unicast_kernel()
1824 int netlink_unicast(struct sock *ssk, struct sk_buff *skb,  in netlink_unicast()
1827 	struct sock *sk;  in netlink_unicast()
1860 struct sk_buff *netlink_alloc_skb(struct sock *ssk, unsigned int size,  in netlink_alloc_skb()
1864 	struct sock *sk = NULL;  in netlink_alloc_skb()
1927 int netlink_has_listeners(struct sock *sk, unsigned int group)  in netlink_has_listeners()
1946 static int netlink_broadcast_deliver(struct sock *sk, struct sk_buff *skb)  in netlink_broadcast_deliver()
1960 	struct sock *exclude_sk;
1970 	int (*tx_filter)(struct sock *dsk, struct sk_buff *skb, void *data);
1974 static void do_one_broadcast(struct sock *sk,  in do_one_broadcast()
2032 int netlink_broadcast_filtered(struct sock *ssk, struct sk_buff *skb, u32 portid,  in netlink_broadcast_filtered()
2034 	int (*filter)(struct sock *dsk, struct sk_buff *skb, void *data),  in netlink_broadcast_filtered()
2039 	struct sock *sk;  in netlink_broadcast_filtered()
2083 int netlink_broadcast(struct sock *ssk, struct sk_buff *skb, u32 portid,  in netlink_broadcast()
2092 	struct sock *exclude_sk;
2098 static int do_one_set_err(struct sock *sk, struct netlink_set_err_data *p)  in do_one_set_err()
2134 int netlink_set_err(struct sock *ssk, u32 portid, u32 group, int code)  in netlink_set_err()
2137 	struct sock *sk;  in netlink_set_err()
2173 static int netlink_setsockopt(struct socket *sock, int level, int optname,  in netlink_setsockopt()  argument
2176 	struct sock *sk = sock->sk;  in netlink_setsockopt()
2199 		if (!netlink_allowed(sock, NL_CFG_F_NONROOT_RECV))  in netlink_setsockopt()
2263 static int netlink_getsockopt(struct socket *sock, int level, int optname,  in netlink_getsockopt()  argument
2266 	struct sock *sk = sock->sk;  in netlink_getsockopt()
2323 static int netlink_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)  in netlink_sendmsg()  argument
2325 	struct sock *sk = sock->sk;  in netlink_sendmsg()
2338 	err = scm_send(sock, msg, &scm, true);  in netlink_sendmsg()
2350 		    !netlink_allowed(sock, NL_CFG_F_NONROOT_SEND))  in netlink_sendmsg()
2359 		err = netlink_autobind(sock);  in netlink_sendmsg()
2415 static int netlink_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,  in netlink_recvmsg()  argument
2419 	struct sock *sk = sock->sk;  in netlink_recvmsg()
2496 	scm_recv(sock, msg, &scm, flags);  in netlink_recvmsg()
2502 static void netlink_data_ready(struct sock *sk)  in netlink_data_ready()
2513 struct sock *
2517 	struct socket *sock;  in __netlink_kernel_create()  local
2518 	struct sock *sk;  in __netlink_kernel_create()
2529 	if (sock_create_lite(PF_NETLINK, SOCK_DGRAM, unit, &sock))  in __netlink_kernel_create()
2538 	if (__netlink_create(&init_net, sock, cb_mutex, unit) < 0)  in __netlink_kernel_create()
2541 	sk = sock->sk;  in __netlink_kernel_create()
2590 	sock_release(sock);  in __netlink_kernel_create()
2596 netlink_kernel_release(struct sock *sk)  in netlink_kernel_release()
2602 int __netlink_change_ngroups(struct sock *sk, unsigned int groups)  in __netlink_change_ngroups()
2637 int netlink_change_ngroups(struct sock *sk, unsigned int groups)  in netlink_change_ngroups()
2648 void __netlink_clear_multicast_users(struct sock *ksk, unsigned int group)  in __netlink_clear_multicast_users()
2650 	struct sock *sk;  in __netlink_clear_multicast_users()
2680 static int netlink_dump(struct sock *sk)  in netlink_dump()
2776 int __netlink_dump_start(struct sock *ssk, struct sk_buff *skb,  in __netlink_dump_start()
2781 	struct sock *sk;  in __netlink_dump_start()
2863 		struct sock *sk;  in netlink_ack()
2936 int nlmsg_notify(struct sock *sk, struct sk_buff *skb, u32 portid,  in nlmsg_notify()
3070 		struct sock *s = v;  in netlink_seq_show()