diff options
Diffstat (limited to 'net/bluetooth/sco.c')
| -rw-r--r-- | net/bluetooth/sco.c | 44 |
1 files changed, 35 insertions, 9 deletions
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index aa7bfe26cb40..2945d27e75dc 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -107,6 +107,14 @@ static void sco_conn_put(struct sco_conn *conn) kref_put(&conn->ref, sco_conn_free); } +static struct sco_conn *sco_conn_hold(struct sco_conn *conn) +{ + BT_DBG("conn %p refcnt %u", conn, kref_read(&conn->ref)); + + kref_get(&conn->ref); + return conn; +} + static struct sco_conn *sco_conn_hold_unless_zero(struct sco_conn *conn) { if (!conn) @@ -370,7 +378,8 @@ unlock: return err; } -static int sco_send_frame(struct sock *sk, struct sk_buff *skb) +static int sco_send_frame(struct sock *sk, struct sk_buff *skb, + const struct sockcm_cookie *sockc) { struct sco_conn *conn = sco_pi(sk)->conn; int len = skb->len; @@ -381,6 +390,7 @@ static int sco_send_frame(struct sock *sk, struct sk_buff *skb) BT_DBG("sk %p len %d", sk, len); + hci_setup_tx_timestamp(skb, 1, sockc); hci_send_sco(conn->hcon, skb); return len; @@ -776,6 +786,7 @@ static int sco_sock_sendmsg(struct socket *sock, struct msghdr *msg, { struct sock *sk = sock->sk; struct sk_buff *skb; + struct sockcm_cookie sockc; int err; BT_DBG("sock %p, sk %p", sock, sk); @@ -787,6 +798,14 @@ static int sco_sock_sendmsg(struct socket *sock, struct msghdr *msg, if (msg->msg_flags & MSG_OOB) return -EOPNOTSUPP; + hci_sockcm_init(&sockc, sk); + + if (msg->msg_controllen) { + err = sock_cmsg_send(sk, msg, &sockc); + if (err) + return err; + } + skb = bt_skb_sendmsg(sk, msg, len, len, 0, 0); if (IS_ERR(skb)) return PTR_ERR(skb); @@ -794,7 +813,7 @@ static int sco_sock_sendmsg(struct socket *sock, struct msghdr *msg, lock_sock(sk); if (sk->sk_state == BT_CONNECTED) - err = sco_send_frame(sk, skb); + err = sco_send_frame(sk, skb, &sockc); else err = -ENOTCONN; @@ -860,6 +879,10 @@ static int sco_sock_recvmsg(struct socket *sock, struct msghdr *msg, struct sock *sk = sock->sk; struct sco_pinfo *pi = sco_pi(sk); + if (unlikely(flags & MSG_ERRQUEUE)) + return sock_recv_errqueue(sk, msg, len, SOL_BLUETOOTH, + BT_SCM_ERROR); + lock_sock(sk); if (sk->sk_state == BT_CONNECT2 && @@ -1353,6 +1376,7 @@ static void sco_conn_ready(struct sco_conn *conn) bacpy(&sco_pi(sk)->src, &conn->hcon->src); bacpy(&sco_pi(sk)->dst, &conn->hcon->dst); + sco_conn_hold(conn); hci_conn_hold(conn->hcon); __sco_chan_add(conn, sk, parent); @@ -1398,27 +1422,30 @@ int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags) return lm; } -static bool sco_match(struct hci_conn *hcon) -{ - return hcon->type == SCO_LINK || hcon->type == ESCO_LINK; -} - static void sco_connect_cfm(struct hci_conn *hcon, __u8 status) { + if (hcon->type != SCO_LINK && hcon->type != ESCO_LINK) + return; + BT_DBG("hcon %p bdaddr %pMR status %u", hcon, &hcon->dst, status); if (!status) { struct sco_conn *conn; conn = sco_conn_add(hcon); - if (conn) + if (conn) { sco_conn_ready(conn); + sco_conn_put(conn); + } } else sco_conn_del(hcon, bt_to_errno(status)); } static void sco_disconn_cfm(struct hci_conn *hcon, __u8 reason) { + if (hcon->type != SCO_LINK && hcon->type != ESCO_LINK) + return; + BT_DBG("hcon %p reason %d", hcon, reason); sco_conn_del(hcon, bt_to_errno(reason)); @@ -1444,7 +1471,6 @@ drop: static struct hci_cb sco_cb = { .name = "SCO", - .match = sco_match, .connect_cfm = sco_connect_cfm, .disconn_cfm = sco_disconn_cfm, }; |