Bluetooth: move l2cap_sock_bind()/listen() to l2cap_sock.c
Gustavo F. Padovan [Fri, 4 Feb 2011 04:40:28 +0000 (02:40 -0200)]
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

include/net/bluetooth/l2cap.h
net/bluetooth/l2cap_core.c
net/bluetooth/l2cap_sock.c

index d0baf41..3ca4fe3 100644 (file)
@@ -438,9 +438,7 @@ void l2cap_sock_init(struct sock *sk, struct sock *parent);
 struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock,
                                                        int proto, gfp_t prio);
 
-int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen);
 int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr, int alen, int flags);
-int l2cap_sock_listen(struct socket *sock, int backlog);
 int l2cap_sock_accept(struct socket *sock, struct socket *newsock, int flags);
 int l2cap_sock_getname(struct socket *sock, struct sockaddr *addr, int *len, int peer);
 int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, size_t len);
index 5765a82..6af3872 100644 (file)
@@ -722,17 +722,6 @@ static inline void l2cap_chan_add(struct l2cap_conn *conn, struct sock *sk, stru
 }
 
 /* ---- Socket interface ---- */
-static struct sock *__l2cap_get_sock_by_addr(__le16 psm, bdaddr_t *src)
-{
-       struct sock *sk;
-       struct hlist_node *node;
-       sk_for_each(sk, node, &l2cap_sk_list.head)
-               if (l2cap_pi(sk)->sport == psm && !bacmp(&bt_sk(sk)->src, src))
-                       goto found;
-       sk = NULL;
-found:
-       return sk;
-}
 
 /* Find socket with psm and source bdaddr.
  * Returns closest match.
@@ -859,70 +848,6 @@ static void l2cap_sock_close(struct sock *sk)
        l2cap_sock_kill(sk);
 }
 
-int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
-{
-       struct sock *sk = sock->sk;
-       struct sockaddr_l2 la;
-       int len, err = 0;
-
-       BT_DBG("sk %p", sk);
-
-       if (!addr || addr->sa_family != AF_BLUETOOTH)
-               return -EINVAL;
-
-       memset(&la, 0, sizeof(la));
-       len = min_t(unsigned int, sizeof(la), alen);
-       memcpy(&la, addr, len);
-
-       if (la.l2_cid)
-               return -EINVAL;
-
-       lock_sock(sk);
-
-       if (sk->sk_state != BT_OPEN) {
-               err = -EBADFD;
-               goto done;
-       }
-
-       if (la.l2_psm) {
-               __u16 psm = __le16_to_cpu(la.l2_psm);
-
-               /* PSM must be odd and lsb of upper byte must be 0 */
-               if ((psm & 0x0101) != 0x0001) {
-                       err = -EINVAL;
-                       goto done;
-               }
-
-               /* Restrict usage of well-known PSMs */
-               if (psm < 0x1001 && !capable(CAP_NET_BIND_SERVICE)) {
-                       err = -EACCES;
-                       goto done;
-               }
-       }
-
-       write_lock_bh(&l2cap_sk_list.lock);
-
-       if (la.l2_psm && __l2cap_get_sock_by_addr(la.l2_psm, &la.l2_bdaddr)) {
-               err = -EADDRINUSE;
-       } else {
-               /* Save source address */
-               bacpy(&bt_sk(sk)->src, &la.l2_bdaddr);
-               l2cap_pi(sk)->psm   = la.l2_psm;
-               l2cap_pi(sk)->sport = la.l2_psm;
-               sk->sk_state = BT_BOUND;
-
-               if (__le16_to_cpu(la.l2_psm) == 0x0001 ||
-                                       __le16_to_cpu(la.l2_psm) == 0x0003)
-                       l2cap_pi(sk)->sec_level = BT_SECURITY_SDP;
-       }
-
-       write_unlock_bh(&l2cap_sk_list.lock);
-
-done:
-       release_sock(sk);
-       return err;
-}
-
 static int l2cap_do_connect(struct sock *sk)
 {
        bdaddr_t *src = &bt_sk(sk)->src;
@@ -1068,65 +993,6 @@ done:
        return err;
 }
 
-int l2cap_sock_listen(struct socket *sock, int backlog)
-{
-       struct sock *sk = sock->sk;
-       int err = 0;
-
-       BT_DBG("sk %p backlog %d", sk, backlog);
-
-       lock_sock(sk);
-
-       if ((sock->type != SOCK_SEQPACKET && sock->type != SOCK_STREAM)
-                       || sk->sk_state != BT_BOUND) {
-               err = -EBADFD;
-               goto done;
-       }
-
-       switch (l2cap_pi(sk)->mode) {
-       case L2CAP_MODE_BASIC:
-               break;
-       case L2CAP_MODE_ERTM:
-       case L2CAP_MODE_STREAMING:
-               if (!disable_ertm)
-                       break;
-               /* fall through */
-       default:
-               err = -ENOTSUPP;
-               goto done;
-       }
-
-       if (!l2cap_pi(sk)->psm) {
-               bdaddr_t *src = &bt_sk(sk)->src;
-               u16 psm;
-
-               err = -EINVAL;
-
-               write_lock_bh(&l2cap_sk_list.lock);
-
-               for (psm = 0x1001; psm < 0x1100; psm += 2)
-                       if (!__l2cap_get_sock_by_addr(cpu_to_le16(psm), src)) {
-                               l2cap_pi(sk)->psm   = cpu_to_le16(psm);
-                               l2cap_pi(sk)->sport = cpu_to_le16(psm);
-                               err = 0;
-                               break;
-                       }
-
-               write_unlock_bh(&l2cap_sk_list.lock);
-
-               if (err < 0)
-                       goto done;
-       }
-
-       sk->sk_max_ack_backlog = backlog;
-       sk->sk_ack_backlog = 0;
-       sk->sk_state = BT_LISTEN;
-
-done:
-       release_sock(sk);
-       return err;
-}
-
 int l2cap_sock_accept(struct socket *sock, struct socket *newsock, int flags)
 {
        DECLARE_WAITQUEUE(wait, current);
index 20efd24..ef9a60f 100644 (file)
@@ -62,6 +62,141 @@ static void l2cap_sock_timeout(unsigned long arg)
        sock_put(sk);
 }
 
+static struct sock *__l2cap_get_sock_by_addr(__le16 psm, bdaddr_t *src)
+{
+       struct sock *sk;
+       struct hlist_node *node;
+       sk_for_each(sk, node, &l2cap_sk_list.head)
+               if (l2cap_pi(sk)->sport == psm && !bacmp(&bt_sk(sk)->src, src))
+                       goto found;
+       sk = NULL;
+found:
+       return sk;
+}
+
+static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
+{
+       struct sock *sk = sock->sk;
+       struct sockaddr_l2 la;
+       int len, err = 0;
+
+       BT_DBG("sk %p", sk);
+
+       if (!addr || addr->sa_family != AF_BLUETOOTH)
+               return -EINVAL;
+
+       memset(&la, 0, sizeof(la));
+       len = min_t(unsigned int, sizeof(la), alen);
+       memcpy(&la, addr, len);
+
+       if (la.l2_cid)
+               return -EINVAL;
+
+       lock_sock(sk);
+
+       if (sk->sk_state != BT_OPEN) {
+               err = -EBADFD;
+               goto done;
+       }
+
+       if (la.l2_psm) {
+               __u16 psm = __le16_to_cpu(la.l2_psm);
+
+               /* PSM must be odd and lsb of upper byte must be 0 */
+               if ((psm & 0x0101) != 0x0001) {
+                       err = -EINVAL;
+                       goto done;
+               }
+
+               /* Restrict usage of well-known PSMs */
+               if (psm < 0x1001 && !capable(CAP_NET_BIND_SERVICE)) {
+                       err = -EACCES;
+                       goto done;
+               }
+       }
+
+       write_lock_bh(&l2cap_sk_list.lock);
+
+       if (la.l2_psm && __l2cap_get_sock_by_addr(la.l2_psm, &la.l2_bdaddr)) {
+               err = -EADDRINUSE;
+       } else {
+               /* Save source address */
+               bacpy(&bt_sk(sk)->src, &la.l2_bdaddr);
+               l2cap_pi(sk)->psm   = la.l2_psm;
+               l2cap_pi(sk)->sport = la.l2_psm;
+               sk->sk_state = BT_BOUND;
+
+               if (__le16_to_cpu(la.l2_psm) == 0x0001 ||
+                                       __le16_to_cpu(la.l2_psm) == 0x0003)
+                       l2cap_pi(sk)->sec_level = BT_SECURITY_SDP;
+       }
+
+       write_unlock_bh(&l2cap_sk_list.lock);
+
+done:
+       release_sock(sk);
+       return err;
+}
+
+static int l2cap_sock_listen(struct socket *sock, int backlog)
+{
+       struct sock *sk = sock->sk;
+       int err = 0;
+
+       BT_DBG("sk %p backlog %d", sk, backlog);
+
+       lock_sock(sk);
+
+       if ((sock->type != SOCK_SEQPACKET && sock->type != SOCK_STREAM)
+                       || sk->sk_state != BT_BOUND) {
+               err = -EBADFD;
+               goto done;
+       }
+
+       switch (l2cap_pi(sk)->mode) {
+       case L2CAP_MODE_BASIC:
+               break;
+       case L2CAP_MODE_ERTM:
+       case L2CAP_MODE_STREAMING:
+               if (!disable_ertm)
+                       break;
+               /* fall through */
+       default:
+               err = -ENOTSUPP;
+               goto done;
+       }
+
+       if (!l2cap_pi(sk)->psm) {
+               bdaddr_t *src = &bt_sk(sk)->src;
+               u16 psm;
+
+               err = -EINVAL;
+
+               write_lock_bh(&l2cap_sk_list.lock);
+
+               for (psm = 0x1001; psm < 0x1100; psm += 2)
+                       if (!__l2cap_get_sock_by_addr(cpu_to_le16(psm), src)) {
+                               l2cap_pi(sk)->psm   = cpu_to_le16(psm);
+                               l2cap_pi(sk)->sport = cpu_to_le16(psm);
+                               err = 0;
+                               break;
+                       }
+
+               write_unlock_bh(&l2cap_sk_list.lock);
+
+               if (err < 0)
+                       goto done;
+       }
+
+       sk->sk_max_ack_backlog = backlog;
+       sk->sk_ack_backlog = 0;
+       sk->sk_state = BT_LISTEN;
+
+done:
+       release_sock(sk);
+       return err;
+}
+
 static int l2cap_sock_release(struct socket *sock)
 {
        struct sock *sk = sock->sk;