diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/dccp/ccids/ccid2.c | 27 |
1 files changed, 8 insertions, 19 deletions
diff --git a/net/dccp/ccids/ccid2.c b/net/dccp/ccids/ccid2.c index 3b2548bd73f3..fa074d442065 100644 --- a/net/dccp/ccids/ccid2.c +++ b/net/dccp/ccids/ccid2.c @@ -353,23 +353,6 @@ static inline void ccid2_new_ack(struct sock *sk, hctx->srtt, hctx->rttvar, hctx->rto, HZ, r); } - - /* we got a new ack, so re-start RTO timer */ - ccid2_hc_tx_kill_rto_timer(sk); - ccid2_start_rto_timer(sk); -} - -static void ccid2_hc_tx_dec_pipe(struct sock *sk) -{ - struct ccid2_hc_tx_sock *hctx = ccid2_hc_tx_sk(sk); - - if (hctx->pipe == 0) - DCCP_BUG("pipe == 0"); - else - hctx->pipe--; - - if (hctx->pipe == 0) - ccid2_hc_tx_kill_rto_timer(sk); } static void ccid2_congestion_event(struct sock *sk, struct ccid2_seq *seqp) @@ -518,7 +501,7 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb) seqp->ccid2s_acked = 1; ccid2_pr_debug("Got ack for %llu\n", (unsigned long long)seqp->ccid2s_seq); - ccid2_hc_tx_dec_pipe(sk); + hctx->pipe--; } if (seqp == hctx->seqt) { done = 1; @@ -574,7 +557,7 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb) * one ack vector. */ ccid2_congestion_event(sk, seqp); - ccid2_hc_tx_dec_pipe(sk); + hctx->pipe--; } if (seqp == hctx->seqt) break; @@ -592,6 +575,12 @@ static void ccid2_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb) hctx->seqt = hctx->seqt->ccid2s_next; } + /* restart RTO timer if not all outstanding data has been acked */ + if (hctx->pipe == 0) + sk_stop_timer(sk, &hctx->rtotimer); + else + sk_reset_timer(sk, &hctx->rtotimer, + jiffies + hctx->rto); done: /* check if incoming Acks allow pending packets to be sent */ if (sender_was_blocked && !ccid2_cwnd_network_limited(hctx)) |