diff options
author | David S. Miller <davem@davemloft.net> | 2008-09-08 20:28:59 -0400 |
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committer | David S. Miller <davem@davemloft.net> | 2008-09-08 20:28:59 -0400 |
commit | 0a68a20cc3eafa73bb54097c28b921147d7d3685 (patch) | |
tree | 8e5f315226b618cb8e050a0c7653c8ec134501e3 /net/ipv4/tcp_input.c | |
parent | 17dce5dfe38ae2fb359b61e855f5d8a3a8b7892b (diff) | |
parent | a3cbdde8e9c38b66b4f13ac5d6ff1939ded0ff20 (diff) |
Merge branch 'dccp' of git://eden-feed.erg.abdn.ac.uk/dccp_exp
Conflicts:
net/dccp/input.c
net/dccp/options.c
Diffstat (limited to 'net/ipv4/tcp_input.c')
-rw-r--r-- | net/ipv4/tcp_input.c | 17 |
1 files changed, 2 insertions, 15 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index f79a51607292..9da9f19ece8a 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c | |||
@@ -811,25 +811,12 @@ void tcp_update_metrics(struct sock *sk) | |||
811 | } | 811 | } |
812 | } | 812 | } |
813 | 813 | ||
814 | /* Numbers are taken from RFC3390. | ||
815 | * | ||
816 | * John Heffner states: | ||
817 | * | ||
818 | * The RFC specifies a window of no more than 4380 bytes | ||
819 | * unless 2*MSS > 4380. Reading the pseudocode in the RFC | ||
820 | * is a bit misleading because they use a clamp at 4380 bytes | ||
821 | * rather than use a multiplier in the relevant range. | ||
822 | */ | ||
823 | __u32 tcp_init_cwnd(struct tcp_sock *tp, struct dst_entry *dst) | 814 | __u32 tcp_init_cwnd(struct tcp_sock *tp, struct dst_entry *dst) |
824 | { | 815 | { |
825 | __u32 cwnd = (dst ? dst_metric(dst, RTAX_INITCWND) : 0); | 816 | __u32 cwnd = (dst ? dst_metric(dst, RTAX_INITCWND) : 0); |
826 | 817 | ||
827 | if (!cwnd) { | 818 | if (!cwnd) |
828 | if (tp->mss_cache > 1460) | 819 | cwnd = rfc3390_bytes_to_packets(tp->mss_cache); |
829 | cwnd = 2; | ||
830 | else | ||
831 | cwnd = (tp->mss_cache > 1095) ? 3 : 4; | ||
832 | } | ||
833 | return min_t(__u32, cwnd, tp->snd_cwnd_clamp); | 820 | return min_t(__u32, cwnd, tp->snd_cwnd_clamp); |
834 | } | 821 | } |
835 | 822 | ||