net/bluetooth/l2cap_sock.c

46 static void l2cap_sock_init(struct sock *sk, struct sock *parent);
47 static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock,
49 static void l2cap_sock_cleanup_listen(struct sock *parent);
51 bool l2cap_is_socket(struct socket *sock)
53 	return sock && sock->ops == &l2cap_sock_ops;
83 static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
85 	struct sock *sk = sock->sk;
181 static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr,
184 	struct sock *sk = sock->sk;
272 static int l2cap_sock_listen(struct socket *sock, int backlog)
274 	struct sock *sk = sock->sk;
329 static int l2cap_sock_accept(struct socket *sock, struct socket *newsock,
333 	struct sock *sk = sock->sk, *nsk;
385 static int l2cap_sock_getname(struct socket *sock, struct sockaddr *addr,
389 	struct sock *sk = sock->sk;
392 	BT_DBG("sock %p, sk %p", sock, sk);
435 static int l2cap_sock_getsockopt_old(struct socket *sock, int optname,
438 	struct sock *sk = sock->sk;
555 static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname,
558 	struct sock *sk = sock->sk;
568 		return l2cap_sock_getsockopt_old(sock, optname, optval, optlen);
725 static int l2cap_sock_setsockopt_old(struct socket *sock, int optname,
728 	struct sock *sk = sock->sk;
878 static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname,
881 	struct sock *sk = sock->sk;
894 		return l2cap_sock_setsockopt_old(sock, optname, optval, optlen);
1102 static int l2cap_sock_sendmsg(struct socket *sock, struct msghdr *msg,
1105 	struct sock *sk = sock->sk;
1109 	BT_DBG("sock %p, sk %p", sock, sk);
1136 	struct sock *sk = chan->data;
1162 static int l2cap_sock_recvmsg(struct socket *sock, struct msghdr *msg,
1165 	struct sock *sk = sock->sk;
1193 	if (sock->type == SOCK_STREAM)
1194 		err = bt_sock_stream_recvmsg(sock, msg, len, flags);
1196 		err = bt_sock_recvmsg(sock, msg, len, flags);
1235 static void l2cap_sock_kill(struct sock *sk)
1249 static int __l2cap_wait_ack(struct sock *sk, struct l2cap_chan *chan)
1294 static int l2cap_sock_shutdown(struct socket *sock, int how)
1296 	struct sock *sk = sock->sk;
1301 	BT_DBG("sock %p, sk %p, how %d", sock, sk, how);
1318 	BT_DBG("Handling sock shutdown");
1396 static int l2cap_sock_release(struct socket *sock)
1398 	struct sock *sk = sock->sk;
1402 	BT_DBG("sock %p, sk %p", sock, sk);
1410 	err = l2cap_sock_shutdown(sock, SHUT_RDWR);
1425 static void l2cap_sock_cleanup_listen(struct sock *parent)
1427 	struct sock *sk;
1453 	struct sock *sk, *parent = chan->data;
1484 	struct sock *sk = chan->data;
1544 	struct sock *sk = chan->data;
1554 	struct sock *sk = chan->data;
1555 	struct sock *parent;
1609 	struct sock *sk = chan->data;
1621 	struct sock *sk = chan->data;
1649 	struct sock *sk = chan->data;
1650 	struct sock *parent;
1669 	struct sock *parent, *sk = chan->data;
1682 	struct sock *sk = chan->data;
1695 	struct sock *sk = chan->data;
1704 	struct sock *sk = chan->data;
1711 	struct sock *sk = chan->data;
1718 	struct sock *sk = chan->data;
1726 	struct sock *sk = chan->data;
1755 static void l2cap_sock_destruct(struct sock *sk)
1789 static void l2cap_sock_init(struct sock *sk, struct sock *parent)
1863 static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock,
1866 	struct sock *sk;
1869 	sk = bt_sock_alloc(net, sock, &l2cap_proto, proto, prio, kern);
1891 static int l2cap_sock_create(struct net *net, struct socket *sock, int protocol,
1894 	struct sock *sk;
1896 	BT_DBG("sock %p", sock);
1898 	sock->state = SS_UNCONNECTED;
1900 	if (sock->type != SOCK_SEQPACKET && sock->type != SOCK_STREAM &&
1901 	    sock->type != SOCK_DGRAM && sock->type != SOCK_RAW)
1904 	if (sock->type == SOCK_RAW && !kern && !capable(CAP_NET_RAW))
1907 	sock->ops = &l2cap_sock_ops;
1909 	sk = l2cap_sock_alloc(net, sock, protocol, GFP_ATOMIC, kern);