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| author | Dave Kleikamp <shaggy@austin.ibm.com> | 2006-01-24 23:34:47 +0300 |
|---|---|---|
| committer | Dave Kleikamp <shaggy@austin.ibm.com> | 2006-01-24 23:34:47 +0300 |
| commit | 0a0fc0ddbe732779366ab6b1b879f62195e65967 (patch) | |
| tree | 7b42490a676cf39ae0691b6859ecf7fd410f229b /net/ipv4/tcp_vegas.c | |
| parent | 4d5dbd0945d9e0833dd7964a3d6ee33157f7cc7a (diff) | |
| parent | 3ee68c4af3fd7228c1be63254b9f884614f9ebb2 (diff) | |
| download | linux-0a0fc0ddbe732779366ab6b1b879f62195e65967.tar.xz | |
Merge with /home/shaggy/git/linus-clean/
Diffstat (limited to 'net/ipv4/tcp_vegas.c')
| -rw-r--r-- | net/ipv4/tcp_vegas.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/net/ipv4/tcp_vegas.c b/net/ipv4/tcp_vegas.c index b7d296a8ac6d..3b7403495052 100644 --- a/net/ipv4/tcp_vegas.c +++ b/net/ipv4/tcp_vegas.c @@ -215,14 +215,6 @@ static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, vegas->beg_snd_nxt = tp->snd_nxt; vegas->beg_snd_cwnd = tp->snd_cwnd; - /* Take into account the current RTT sample too, to - * decrease the impact of delayed acks. This double counts - * this sample since we count it for the next window as well, - * but that's not too awful, since we're taking the min, - * rather than averaging. - */ - tcp_vegas_rtt_calc(sk, seq_rtt * 1000); - /* We do the Vegas calculations only if we got enough RTT * samples that we can be reasonably sure that we got * at least one RTT sample that wasn't from a delayed ACK. @@ -333,11 +325,15 @@ static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, else if (tp->snd_cwnd > tp->snd_cwnd_clamp) tp->snd_cwnd = tp->snd_cwnd_clamp; } - } - /* Wipe the slate clean for the next RTT. */ - vegas->cntRTT = 0; - vegas->minRTT = 0x7fffffff; + /* Wipe the slate clean for the next RTT. */ + vegas->cntRTT = 0; + vegas->minRTT = 0x7fffffff; + } + /* Use normal slow start */ + else if (tp->snd_cwnd <= tp->snd_ssthresh) + tcp_slow_start(tp); + } /* Extract info for Tcp socket info provided via netlink. */ |