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-rw-r--r--net/bluetooth/l2cap_core.c51
1 files changed, 24 insertions, 27 deletions
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index d975092904c1..3f601d1c164a 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -924,7 +924,7 @@ int __l2cap_wait_ack(struct sock *sk)
924 int timeo = HZ/5; 924 int timeo = HZ/5;
925 925
926 add_wait_queue(sk_sleep(sk), &wait); 926 add_wait_queue(sk_sleep(sk), &wait);
927 while ((l2cap_pi(sk)->unacked_frames > 0 && l2cap_pi(sk)->conn)) { 927 while ((l2cap_pi(sk)->chan->unacked_frames > 0 && l2cap_pi(sk)->conn)) {
928 set_current_state(TASK_INTERRUPTIBLE); 928 set_current_state(TASK_INTERRUPTIBLE);
929 929
930 if (!timeo) 930 if (!timeo)
@@ -956,13 +956,13 @@ static void l2cap_monitor_timeout(unsigned long arg)
956 BT_DBG("chan %p", chan); 956 BT_DBG("chan %p", chan);
957 957
958 bh_lock_sock(sk); 958 bh_lock_sock(sk);
959 if (l2cap_pi(sk)->retry_count >= l2cap_pi(sk)->remote_max_tx) { 959 if (chan->retry_count >= l2cap_pi(sk)->remote_max_tx) {
960 l2cap_send_disconn_req(l2cap_pi(sk)->conn, sk, ECONNABORTED); 960 l2cap_send_disconn_req(l2cap_pi(sk)->conn, sk, ECONNABORTED);
961 bh_unlock_sock(sk); 961 bh_unlock_sock(sk);
962 return; 962 return;
963 } 963 }
964 964
965 l2cap_pi(sk)->retry_count++; 965 chan->retry_count++;
966 __mod_monitor_timer(); 966 __mod_monitor_timer();
967 967
968 l2cap_send_rr_or_rnr(chan, L2CAP_CTRL_POLL); 968 l2cap_send_rr_or_rnr(chan, L2CAP_CTRL_POLL);
@@ -977,7 +977,7 @@ static void l2cap_retrans_timeout(unsigned long arg)
977 BT_DBG("sk %p", sk); 977 BT_DBG("sk %p", sk);
978 978
979 bh_lock_sock(sk); 979 bh_lock_sock(sk);
980 l2cap_pi(sk)->retry_count = 1; 980 chan->retry_count = 1;
981 __mod_monitor_timer(); 981 __mod_monitor_timer();
982 982
983 chan->conn_state |= L2CAP_CONN_WAIT_F; 983 chan->conn_state |= L2CAP_CONN_WAIT_F;
@@ -992,17 +992,17 @@ static void l2cap_drop_acked_frames(struct l2cap_chan *chan)
992 struct sk_buff *skb; 992 struct sk_buff *skb;
993 993
994 while ((skb = skb_peek(TX_QUEUE(sk))) && 994 while ((skb = skb_peek(TX_QUEUE(sk))) &&
995 l2cap_pi(sk)->unacked_frames) { 995 chan->unacked_frames) {
996 if (bt_cb(skb)->tx_seq == chan->expected_ack_seq) 996 if (bt_cb(skb)->tx_seq == chan->expected_ack_seq)
997 break; 997 break;
998 998
999 skb = skb_dequeue(TX_QUEUE(sk)); 999 skb = skb_dequeue(TX_QUEUE(sk));
1000 kfree_skb(skb); 1000 kfree_skb(skb);
1001 1001
1002 l2cap_pi(sk)->unacked_frames--; 1002 chan->unacked_frames--;
1003 } 1003 }
1004 1004
1005 if (!l2cap_pi(sk)->unacked_frames) 1005 if (!chan->unacked_frames)
1006 del_timer(&l2cap_pi(sk)->retrans_timer); 1006 del_timer(&l2cap_pi(sk)->retrans_timer);
1007} 1007}
1008 1008
@@ -1141,9 +1141,9 @@ int l2cap_ertm_send(struct l2cap_chan *chan)
1141 chan->next_tx_seq = (chan->next_tx_seq + 1) % 64; 1141 chan->next_tx_seq = (chan->next_tx_seq + 1) % 64;
1142 1142
1143 if (bt_cb(skb)->retries == 1) 1143 if (bt_cb(skb)->retries == 1)
1144 pi->unacked_frames++; 1144 chan->unacked_frames++;
1145 1145
1146 pi->frames_sent++; 1146 chan->frames_sent++;
1147 1147
1148 if (skb_queue_is_last(TX_QUEUE(sk), skb)) 1148 if (skb_queue_is_last(TX_QUEUE(sk), skb))
1149 sk->sk_send_head = NULL; 1149 sk->sk_send_head = NULL;
@@ -1574,10 +1574,10 @@ static inline void l2cap_ertm_init(struct l2cap_chan *chan)
1574 struct sock *sk = chan->sk; 1574 struct sock *sk = chan->sk;
1575 1575
1576 chan->expected_ack_seq = 0; 1576 chan->expected_ack_seq = 0;
1577 l2cap_pi(sk)->unacked_frames = 0; 1577 chan->unacked_frames = 0;
1578 chan->buffer_seq = 0; 1578 chan->buffer_seq = 0;
1579 l2cap_pi(sk)->num_acked = 0; 1579 chan->num_acked = 0;
1580 l2cap_pi(sk)->frames_sent = 0; 1580 chan->frames_sent = 0;
1581 1581
1582 setup_timer(&l2cap_pi(sk)->retrans_timer, 1582 setup_timer(&l2cap_pi(sk)->retrans_timer,
1583 l2cap_retrans_timeout, (unsigned long) chan); 1583 l2cap_retrans_timeout, (unsigned long) chan);
@@ -2787,10 +2787,9 @@ static int l2cap_check_fcs(struct l2cap_pinfo *pi, struct sk_buff *skb)
2787 2787
2788static inline void l2cap_send_i_or_rr_or_rnr(struct l2cap_chan *chan) 2788static inline void l2cap_send_i_or_rr_or_rnr(struct l2cap_chan *chan)
2789{ 2789{
2790 struct l2cap_pinfo *pi = l2cap_pi(chan->sk);
2791 u16 control = 0; 2790 u16 control = 0;
2792 2791
2793 pi->frames_sent = 0; 2792 chan->frames_sent = 0;
2794 2793
2795 control |= chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT; 2794 control |= chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT;
2796 2795
@@ -2806,7 +2805,7 @@ static inline void l2cap_send_i_or_rr_or_rnr(struct l2cap_chan *chan)
2806 l2cap_ertm_send(chan); 2805 l2cap_ertm_send(chan);
2807 2806
2808 if (!(chan->conn_state & L2CAP_CONN_LOCAL_BUSY) && 2807 if (!(chan->conn_state & L2CAP_CONN_LOCAL_BUSY) &&
2809 pi->frames_sent == 0) { 2808 chan->frames_sent == 0) {
2810 control |= L2CAP_SUPER_RCV_READY; 2809 control |= L2CAP_SUPER_RCV_READY;
2811 l2cap_send_sframe(chan, control); 2810 l2cap_send_sframe(chan, control);
2812 } 2811 }
@@ -2988,7 +2987,7 @@ static int l2cap_try_push_rx_skb(struct l2cap_chan *chan)
2988 control = chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT; 2987 control = chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT;
2989 control |= L2CAP_SUPER_RCV_READY | L2CAP_CTRL_POLL; 2988 control |= L2CAP_SUPER_RCV_READY | L2CAP_CTRL_POLL;
2990 l2cap_send_sframe(chan, control); 2989 l2cap_send_sframe(chan, control);
2991 l2cap_pi(sk)->retry_count = 1; 2990 chan->retry_count = 1;
2992 2991
2993 del_timer(&pi->retrans_timer); 2992 del_timer(&pi->retrans_timer);
2994 __mod_monitor_timer(); 2993 __mod_monitor_timer();
@@ -3260,7 +3259,7 @@ static inline int l2cap_data_channel_iframe(struct l2cap_chan *chan, u16 rx_cont
3260 if (L2CAP_CTRL_FINAL & rx_control && 3259 if (L2CAP_CTRL_FINAL & rx_control &&
3261 chan->conn_state & L2CAP_CONN_WAIT_F) { 3260 chan->conn_state & L2CAP_CONN_WAIT_F) {
3262 del_timer(&pi->monitor_timer); 3261 del_timer(&pi->monitor_timer);
3263 if (pi->unacked_frames > 0) 3262 if (chan->unacked_frames > 0)
3264 __mod_retrans_timer(); 3263 __mod_retrans_timer();
3265 chan->conn_state &= ~L2CAP_CONN_WAIT_F; 3264 chan->conn_state &= ~L2CAP_CONN_WAIT_F;
3266 } 3265 }
@@ -3369,8 +3368,8 @@ expected:
3369 3368
3370 __mod_ack_timer(); 3369 __mod_ack_timer();
3371 3370
3372 pi->num_acked = (pi->num_acked + 1) % num_to_ack; 3371 chan->num_acked = (chan->num_acked + 1) % num_to_ack;
3373 if (pi->num_acked == num_to_ack - 1) 3372 if (chan->num_acked == num_to_ack - 1)
3374 l2cap_send_ack(chan); 3373 l2cap_send_ack(chan);
3375 3374
3376 return 0; 3375 return 0;
@@ -3383,7 +3382,6 @@ drop:
3383static inline void l2cap_data_channel_rrframe(struct l2cap_chan *chan, u16 rx_control) 3382static inline void l2cap_data_channel_rrframe(struct l2cap_chan *chan, u16 rx_control)
3384{ 3383{
3385 struct sock *sk = chan->sk; 3384 struct sock *sk = chan->sk;
3386 struct l2cap_pinfo *pi = l2cap_pi(sk);
3387 3385
3388 BT_DBG("sk %p, req_seq %d ctrl 0x%4.4x", sk, __get_reqseq(rx_control), 3386 BT_DBG("sk %p, req_seq %d ctrl 0x%4.4x", sk, __get_reqseq(rx_control),
3389 rx_control); 3387 rx_control);
@@ -3395,7 +3393,7 @@ static inline void l2cap_data_channel_rrframe(struct l2cap_chan *chan, u16 rx_co
3395 chan->conn_state |= L2CAP_CONN_SEND_FBIT; 3393 chan->conn_state |= L2CAP_CONN_SEND_FBIT;
3396 if (chan->conn_state & L2CAP_CONN_SREJ_SENT) { 3394 if (chan->conn_state & L2CAP_CONN_SREJ_SENT) {
3397 if ((chan->conn_state & L2CAP_CONN_REMOTE_BUSY) && 3395 if ((chan->conn_state & L2CAP_CONN_REMOTE_BUSY) &&
3398 (pi->unacked_frames > 0)) 3396 (chan->unacked_frames > 0))
3399 __mod_retrans_timer(); 3397 __mod_retrans_timer();
3400 3398
3401 chan->conn_state &= ~L2CAP_CONN_REMOTE_BUSY; 3399 chan->conn_state &= ~L2CAP_CONN_REMOTE_BUSY;
@@ -3414,7 +3412,7 @@ static inline void l2cap_data_channel_rrframe(struct l2cap_chan *chan, u16 rx_co
3414 3412
3415 } else { 3413 } else {
3416 if ((chan->conn_state & L2CAP_CONN_REMOTE_BUSY) && 3414 if ((chan->conn_state & L2CAP_CONN_REMOTE_BUSY) &&
3417 (pi->unacked_frames > 0)) 3415 (chan->unacked_frames > 0))
3418 __mod_retrans_timer(); 3416 __mod_retrans_timer();
3419 3417
3420 chan->conn_state &= ~L2CAP_CONN_REMOTE_BUSY; 3418 chan->conn_state &= ~L2CAP_CONN_REMOTE_BUSY;
@@ -3450,7 +3448,6 @@ static inline void l2cap_data_channel_rejframe(struct l2cap_chan *chan, u16 rx_c
3450} 3448}
3451static inline void l2cap_data_channel_srejframe(struct l2cap_chan *chan, u16 rx_control) 3449static inline void l2cap_data_channel_srejframe(struct l2cap_chan *chan, u16 rx_control)
3452{ 3450{
3453 struct l2cap_pinfo *pi = l2cap_pi(chan->sk);
3454 u8 tx_seq = __get_reqseq(rx_control); 3451 u8 tx_seq = __get_reqseq(rx_control);
3455 3452
3456 BT_DBG("chan %p, req_seq %d ctrl 0x%4.4x", chan, tx_seq, rx_control); 3453 BT_DBG("chan %p, req_seq %d ctrl 0x%4.4x", chan, tx_seq, rx_control);
@@ -3467,19 +3464,19 @@ static inline void l2cap_data_channel_srejframe(struct l2cap_chan *chan, u16 rx_
3467 l2cap_ertm_send(chan); 3464 l2cap_ertm_send(chan);
3468 3465
3469 if (chan->conn_state & L2CAP_CONN_WAIT_F) { 3466 if (chan->conn_state & L2CAP_CONN_WAIT_F) {
3470 pi->srej_save_reqseq = tx_seq; 3467 chan->srej_save_reqseq = tx_seq;
3471 chan->conn_state |= L2CAP_CONN_SREJ_ACT; 3468 chan->conn_state |= L2CAP_CONN_SREJ_ACT;
3472 } 3469 }
3473 } else if (rx_control & L2CAP_CTRL_FINAL) { 3470 } else if (rx_control & L2CAP_CTRL_FINAL) {
3474 if ((chan->conn_state & L2CAP_CONN_SREJ_ACT) && 3471 if ((chan->conn_state & L2CAP_CONN_SREJ_ACT) &&
3475 pi->srej_save_reqseq == tx_seq) 3472 chan->srej_save_reqseq == tx_seq)
3476 chan->conn_state &= ~L2CAP_CONN_SREJ_ACT; 3473 chan->conn_state &= ~L2CAP_CONN_SREJ_ACT;
3477 else 3474 else
3478 l2cap_retransmit_one_frame(chan, tx_seq); 3475 l2cap_retransmit_one_frame(chan, tx_seq);
3479 } else { 3476 } else {
3480 l2cap_retransmit_one_frame(chan, tx_seq); 3477 l2cap_retransmit_one_frame(chan, tx_seq);
3481 if (chan->conn_state & L2CAP_CONN_WAIT_F) { 3478 if (chan->conn_state & L2CAP_CONN_WAIT_F) {
3482 pi->srej_save_reqseq = tx_seq; 3479 chan->srej_save_reqseq = tx_seq;
3483 chan->conn_state |= L2CAP_CONN_SREJ_ACT; 3480 chan->conn_state |= L2CAP_CONN_SREJ_ACT;
3484 } 3481 }
3485 } 3482 }
@@ -3521,7 +3518,7 @@ static inline int l2cap_data_channel_sframe(struct l2cap_chan *chan, u16 rx_cont
3521 if (L2CAP_CTRL_FINAL & rx_control && 3518 if (L2CAP_CTRL_FINAL & rx_control &&
3522 chan->conn_state & L2CAP_CONN_WAIT_F) { 3519 chan->conn_state & L2CAP_CONN_WAIT_F) {
3523 del_timer(&l2cap_pi(sk)->monitor_timer); 3520 del_timer(&l2cap_pi(sk)->monitor_timer);
3524 if (l2cap_pi(sk)->unacked_frames > 0) 3521 if (chan->unacked_frames > 0)
3525 __mod_retrans_timer(); 3522 __mod_retrans_timer();
3526 chan->conn_state &= ~L2CAP_CONN_WAIT_F; 3523 chan->conn_state &= ~L2CAP_CONN_WAIT_F;
3527 } 3524 }