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| author | Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> | 2007-07-02 22:07:22 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-07-10 22:16:24 -0700 |
| commit | d0410051164bbbc597e15f068b53c06a954ae0d4 (patch) | |
| tree | 9b3385d276eac1b33d7347934773c976cc2b4a81 /net | |
| parent | 61cbc2fca6335be52788773b21efdc52a2750924 (diff) | |
| download | linux-stable-d0410051164bbbc597e15f068b53c06a954ae0d4.tar.gz linux-stable-d0410051164bbbc597e15f068b53c06a954ae0d4.tar.bz2 linux-stable-d0410051164bbbc597e15f068b53c06a954ae0d4.zip | |
[TCP]: SACK fastpath did override adjusted fackets_out
Do same adjustment to SACK fastpath counters provided that
they're valid.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/tcp_output.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 53232dd6fb48..20aea1595c4d 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -699,6 +699,14 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss tp->fackets_out -= diff; if ((int)tp->fackets_out < 0) tp->fackets_out = 0; + /* SACK fastpath might overwrite it unless dealt with */ + if (tp->fastpath_skb_hint != NULL && + after(TCP_SKB_CB(tp->fastpath_skb_hint)->seq, + TCP_SKB_CB(skb)->seq)) { + tp->fastpath_cnt_hint -= diff; + if ((int)tp->fastpath_cnt_hint < 0) + tp->fastpath_cnt_hint = 0; + } } } |