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| author | Jeff Garzik <jeff@garzik.org> | 2006-09-04 06:42:01 -0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-09-04 06:42:01 -0400 |
| commit | fc851fad00d7fa1bf4ac7034d9ba8041bf482d50 (patch) | |
| tree | 779a8b572d1701ef2c46755df751d9275650cdf4 /net/ipv4 | |
| parent | 85cd7251b9112e3dabeac9fd3b175601ca607241 (diff) | |
| parent | f9bcda7760e1373615c9f6d9ce24209b0ab97de1 (diff) | |
| download | linux-fc851fad00d7fa1bf4ac7034d9ba8041bf482d50.tar.gz linux-fc851fad00d7fa1bf4ac7034d9ba8041bf482d50.tar.bz2 linux-fc851fad00d7fa1bf4ac7034d9ba8041bf482d50.zip | |
Merge branch 'upstream' into pata-drivers
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/ip_output.c | 1 | ||||
| -rw-r--r-- | net/ipv4/tcp_cong.c | 2 | ||||
| -rw-r--r-- | net/ipv4/tcp_input.c | 9 |
3 files changed, 9 insertions, 3 deletions
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 4c20f5546893..a2ede167e045 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -440,6 +440,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff*)) iph = skb->nh.iph; if (unlikely((iph->frag_off & htons(IP_DF)) && !skb->local_df)) { + IP_INC_STATS(IPSTATS_MIB_FRAGFAILS); icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(dst_mtu(&rt->u.dst))); kfree_skb(skb); diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c index 5765f9d03174..7ff2e4273a7c 100644 --- a/net/ipv4/tcp_cong.c +++ b/net/ipv4/tcp_cong.c @@ -189,7 +189,7 @@ void tcp_slow_start(struct tcp_sock *tp) return; /* We MAY increase by 2 if discovered delayed ack */ - if (sysctl_tcp_abc > 1 && tp->bytes_acked > 2*tp->mss_cache) { + if (sysctl_tcp_abc > 1 && tp->bytes_acked >= 2*tp->mss_cache) { if (tp->snd_cwnd < tp->snd_cwnd_clamp) tp->snd_cwnd++; } diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 104af5d5bcbc..111ff39a08c5 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -2505,8 +2505,13 @@ static int tcp_ack(struct sock *sk, struct sk_buff *skb, int flag) if (before(ack, prior_snd_una)) goto old_ack; - if (sysctl_tcp_abc && icsk->icsk_ca_state < TCP_CA_CWR) - tp->bytes_acked += ack - prior_snd_una; + if (sysctl_tcp_abc) { + if (icsk->icsk_ca_state < TCP_CA_CWR) + tp->bytes_acked += ack - prior_snd_una; + else if (icsk->icsk_ca_state == TCP_CA_Loss) + /* we assume just one segment left network */ + tp->bytes_acked += min(ack - prior_snd_una, tp->mss_cache); + } if (!(flag&FLAG_SLOWPATH) && after(ack, prior_snd_una)) { /* Window is constant, pure forward advance. |