diff options
| author | Kees Cook <keescook@chromium.org> | 2016-07-25 13:50:36 -0700 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2016-07-25 13:50:36 -0700 |
| commit | 74e630a7582e6b3cb39559d712a0049f08dea8a0 (patch) | |
| tree | 98a752412dcfc74d802024c1d9e8c541b93174f9 /net/ipv4/tcp_output.c | |
| parent | 35da60941e44dbf57868e67686dd24cc1a33125a (diff) | |
| parent | 523d939ef98fd712632d93a5a2b588e477a7565e (diff) | |
Merge tag 'v4.7' into for-linus/pstore
Linux 4.7
Diffstat (limited to 'net/ipv4/tcp_output.c')
| -rw-r--r-- | net/ipv4/tcp_output.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 8bd9911fdd16..e00e972c4e6a 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -2751,7 +2751,7 @@ void tcp_xmit_retransmit_queue(struct sock *sk) struct tcp_sock *tp = tcp_sk(sk); struct sk_buff *skb; struct sk_buff *hole = NULL; - u32 last_lost; + u32 max_segs, last_lost; int mib_idx; int fwd_rexmitting = 0; @@ -2771,6 +2771,7 @@ void tcp_xmit_retransmit_queue(struct sock *sk) last_lost = tp->snd_una; } + max_segs = tcp_tso_autosize(sk, tcp_current_mss(sk)); tcp_for_write_queue_from(skb, sk) { __u8 sacked = TCP_SKB_CB(skb)->sacked; int segs; @@ -2784,6 +2785,10 @@ void tcp_xmit_retransmit_queue(struct sock *sk) segs = tp->snd_cwnd - tcp_packets_in_flight(tp); if (segs <= 0) return; + /* In case tcp_shift_skb_data() have aggregated large skbs, + * we need to make sure not sending too bigs TSO packets + */ + segs = min_t(int, segs, max_segs); if (fwd_rexmitting) { begin_fwd: |