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path: root/net/bluetooth/l2cap_core.c
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Diffstat (limited to 'net/bluetooth/l2cap_core.c')
-rw-r--r--net/bluetooth/l2cap_core.c74
1 files changed, 36 insertions, 38 deletions
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 2176a00..eaac13cb 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -241,9 +241,9 @@ void l2cap_chan_del(struct l2cap_chan *chan, int err)
if (l2cap_pi(sk)->mode == L2CAP_MODE_ERTM) {
struct srej_list *l, *tmp;
- del_timer(&l2cap_pi(sk)->retrans_timer);
- del_timer(&l2cap_pi(sk)->monitor_timer);
- del_timer(&l2cap_pi(sk)->ack_timer);
+ del_timer(&chan->retrans_timer);
+ del_timer(&chan->monitor_timer);
+ del_timer(&chan->ack_timer);
skb_queue_purge(SREJ_QUEUE(sk));
skb_queue_purge(BUSY_QUEUE(sk));
@@ -462,19 +462,22 @@ static inline int l2cap_mode_supported(__u8 mode, __u32 feat_mask)
}
}
-void l2cap_send_disconn_req(struct l2cap_conn *conn, struct sock *sk, int err)
+void l2cap_send_disconn_req(struct l2cap_conn *conn, struct l2cap_chan *chan, int err)
{
+ struct sock *sk;
struct l2cap_disconn_req req;
if (!conn)
return;
+ sk = chan->sk;
+
skb_queue_purge(TX_QUEUE(sk));
if (l2cap_pi(sk)->mode == L2CAP_MODE_ERTM) {
- del_timer(&l2cap_pi(sk)->retrans_timer);
- del_timer(&l2cap_pi(sk)->monitor_timer);
- del_timer(&l2cap_pi(sk)->ack_timer);
+ del_timer(&chan->retrans_timer);
+ del_timer(&chan->monitor_timer);
+ del_timer(&chan->ack_timer);
}
req.dcid = cpu_to_le16(l2cap_pi(sk)->dcid);
@@ -957,7 +960,7 @@ static void l2cap_monitor_timeout(unsigned long arg)
bh_lock_sock(sk);
if (chan->retry_count >= chan->remote_max_tx) {
- l2cap_send_disconn_req(l2cap_pi(sk)->conn, sk, ECONNABORTED);
+ l2cap_send_disconn_req(l2cap_pi(sk)->conn, chan, ECONNABORTED);
bh_unlock_sock(sk);
return;
}
@@ -1003,7 +1006,7 @@ static void l2cap_drop_acked_frames(struct l2cap_chan *chan)
}
if (!chan->unacked_frames)
- del_timer(&l2cap_pi(sk)->retrans_timer);
+ del_timer(&chan->retrans_timer);
}
void l2cap_do_send(struct sock *sk, struct sk_buff *skb)
@@ -1067,7 +1070,7 @@ static void l2cap_retransmit_one_frame(struct l2cap_chan *chan, u8 tx_seq)
if (chan->remote_max_tx &&
bt_cb(skb)->retries == chan->remote_max_tx) {
- l2cap_send_disconn_req(pi->conn, sk, ECONNABORTED);
+ l2cap_send_disconn_req(pi->conn, chan, ECONNABORTED);
return;
}
@@ -1108,7 +1111,7 @@ int l2cap_ertm_send(struct l2cap_chan *chan)
if (chan->remote_max_tx &&
bt_cb(skb)->retries == chan->remote_max_tx) {
- l2cap_send_disconn_req(pi->conn, sk, ECONNABORTED);
+ l2cap_send_disconn_req(pi->conn, chan, ECONNABORTED);
break;
}
@@ -1579,12 +1582,11 @@ static inline void l2cap_ertm_init(struct l2cap_chan *chan)
chan->num_acked = 0;
chan->frames_sent = 0;
- setup_timer(&l2cap_pi(sk)->retrans_timer,
- l2cap_retrans_timeout, (unsigned long) chan);
- setup_timer(&l2cap_pi(sk)->monitor_timer,
- l2cap_monitor_timeout, (unsigned long) chan);
- setup_timer(&l2cap_pi(sk)->ack_timer,
- l2cap_ack_timeout, (unsigned long) chan);
+ setup_timer(&chan->retrans_timer, l2cap_retrans_timeout,
+ (unsigned long) chan);
+ setup_timer(&chan->monitor_timer, l2cap_monitor_timeout,
+ (unsigned long) chan);
+ setup_timer(&chan->ack_timer, l2cap_ack_timeout, (unsigned long) chan);
__skb_queue_head_init(SREJ_QUEUE(sk));
__skb_queue_head_init(BUSY_QUEUE(sk));
@@ -2291,7 +2293,7 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
/* Complete config. */
len = l2cap_parse_conf_req(chan, rsp);
if (len < 0) {
- l2cap_send_disconn_req(conn, sk, ECONNRESET);
+ l2cap_send_disconn_req(conn, chan, ECONNRESET);
goto unlock;
}
@@ -2363,7 +2365,7 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
char req[64];
if (len > sizeof(req) - sizeof(struct l2cap_conf_req)) {
- l2cap_send_disconn_req(conn, sk, ECONNRESET);
+ l2cap_send_disconn_req(conn, chan, ECONNRESET);
goto done;
}
@@ -2372,7 +2374,7 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
len = l2cap_parse_conf_rsp(sk, rsp->data,
len, req, &result);
if (len < 0) {
- l2cap_send_disconn_req(conn, sk, ECONNRESET);
+ l2cap_send_disconn_req(conn, chan, ECONNRESET);
goto done;
}
@@ -2387,7 +2389,7 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
default:
sk->sk_err = ECONNRESET;
l2cap_sock_set_timer(sk, HZ * 5);
- l2cap_send_disconn_req(conn, sk, ECONNRESET);
+ l2cap_send_disconn_req(conn, chan, ECONNRESET);
goto done;
}
@@ -2957,7 +2959,7 @@ drop:
chan->sdu = NULL;
disconnect:
- l2cap_send_disconn_req(pi->conn, chan->sk, ECONNRESET);
+ l2cap_send_disconn_req(pi->conn, chan, ECONNRESET);
kfree_skb(skb);
return 0;
}
@@ -2965,7 +2967,6 @@ disconnect:
static int l2cap_try_push_rx_skb(struct l2cap_chan *chan)
{
struct sock *sk = chan->sk;
- struct l2cap_pinfo *pi = l2cap_pi(sk);
struct sk_buff *skb;
u16 control;
int err;
@@ -2989,7 +2990,7 @@ static int l2cap_try_push_rx_skb(struct l2cap_chan *chan)
l2cap_send_sframe(chan, control);
chan->retry_count = 1;
- del_timer(&pi->retrans_timer);
+ del_timer(&chan->retrans_timer);
__mod_monitor_timer();
chan->conn_state |= L2CAP_CONN_WAIT_F;
@@ -3020,7 +3021,7 @@ static void l2cap_busy_work(struct work_struct *work)
if (n_tries++ > L2CAP_LOCAL_BUSY_TRIES) {
err = -EBUSY;
- l2cap_send_disconn_req(pi->conn, sk, EBUSY);
+ l2cap_send_disconn_req(pi->conn, pi->chan, EBUSY);
break;
}
@@ -3083,7 +3084,7 @@ static int l2cap_push_rx_skb(struct l2cap_chan *chan, struct sk_buff *skb, u16 c
chan->conn_state |= L2CAP_CONN_RNR_SENT;
- del_timer(&pi->ack_timer);
+ del_timer(&chan->ack_timer);
queue_work(_busy_wq, &pi->busy_work);
@@ -3258,7 +3259,7 @@ static inline int l2cap_data_channel_iframe(struct l2cap_chan *chan, u16 rx_cont
if (L2CAP_CTRL_FINAL & rx_control &&
chan->conn_state & L2CAP_CONN_WAIT_F) {
- del_timer(&pi->monitor_timer);
+ del_timer(&chan->monitor_timer);
if (chan->unacked_frames > 0)
__mod_retrans_timer();
chan->conn_state &= ~L2CAP_CONN_WAIT_F;
@@ -3276,7 +3277,7 @@ static inline int l2cap_data_channel_iframe(struct l2cap_chan *chan, u16 rx_cont
/* invalid tx_seq */
if (tx_seq_offset >= pi->tx_win) {
- l2cap_send_disconn_req(pi->conn, sk, ECONNRESET);
+ l2cap_send_disconn_req(pi->conn, chan, ECONNRESET);
goto drop;
}
@@ -3341,7 +3342,7 @@ static inline int l2cap_data_channel_iframe(struct l2cap_chan *chan, u16 rx_cont
l2cap_send_srejframe(chan, tx_seq);
- del_timer(&pi->ack_timer);
+ del_timer(&chan->ack_timer);
}
return 0;
@@ -3484,7 +3485,6 @@ static inline void l2cap_data_channel_srejframe(struct l2cap_chan *chan, u16 rx_
static inline void l2cap_data_channel_rnrframe(struct l2cap_chan *chan, u16 rx_control)
{
- struct l2cap_pinfo *pi = l2cap_pi(chan->sk);
u8 tx_seq = __get_reqseq(rx_control);
BT_DBG("chan %p, req_seq %d ctrl 0x%4.4x", chan, tx_seq, rx_control);
@@ -3497,7 +3497,7 @@ static inline void l2cap_data_channel_rnrframe(struct l2cap_chan *chan, u16 rx_c
chan->conn_state |= L2CAP_CONN_SEND_FBIT;
if (!(chan->conn_state & L2CAP_CONN_SREJ_SENT)) {
- del_timer(&pi->retrans_timer);
+ del_timer(&chan->retrans_timer);
if (rx_control & L2CAP_CTRL_POLL)
l2cap_send_rr_or_rnr(chan, L2CAP_CTRL_FINAL);
return;
@@ -3511,13 +3511,11 @@ static inline void l2cap_data_channel_rnrframe(struct l2cap_chan *chan, u16 rx_c
static inline int l2cap_data_channel_sframe(struct l2cap_chan *chan, u16 rx_control, struct sk_buff *skb)
{
- struct sock *sk = chan->sk;
-
BT_DBG("chan %p rx_control 0x%4.4x len %d", chan, rx_control, skb->len);
if (L2CAP_CTRL_FINAL & rx_control &&
chan->conn_state & L2CAP_CONN_WAIT_F) {
- del_timer(&l2cap_pi(sk)->monitor_timer);
+ del_timer(&chan->monitor_timer);
if (chan->unacked_frames > 0)
__mod_retrans_timer();
chan->conn_state &= ~L2CAP_CONN_WAIT_F;
@@ -3572,7 +3570,7 @@ static int l2cap_ertm_data_rcv(struct sock *sk, struct sk_buff *skb)
len -= 2;
if (len > pi->mps) {
- l2cap_send_disconn_req(pi->conn, sk, ECONNRESET);
+ l2cap_send_disconn_req(pi->conn, chan, ECONNRESET);
goto drop;
}
@@ -3588,13 +3586,13 @@ static int l2cap_ertm_data_rcv(struct sock *sk, struct sk_buff *skb)
/* check for invalid req-seq */
if (req_seq_offset > next_tx_seq_offset) {
- l2cap_send_disconn_req(pi->conn, sk, ECONNRESET);
+ l2cap_send_disconn_req(pi->conn, chan, ECONNRESET);
goto drop;
}
if (__is_iframe(control)) {
if (len < 0) {
- l2cap_send_disconn_req(pi->conn, sk, ECONNRESET);
+ l2cap_send_disconn_req(pi->conn, chan, ECONNRESET);
goto drop;
}
@@ -3602,7 +3600,7 @@ static int l2cap_ertm_data_rcv(struct sock *sk, struct sk_buff *skb)
} else {
if (len != 0) {
BT_ERR("%d", len);
- l2cap_send_disconn_req(pi->conn, sk, ECONNRESET);
+ l2cap_send_disconn_req(pi->conn, chan, ECONNRESET);
goto drop;
}
generated by cgit v1.1 at 2024-11-10 10:09:03 +0000