X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fipv4%2Ftcp_scalable.c;h=4624501e9680d14dc0ec462797cd9648b77541ea;hb=cab8e5c4444cb7d9b8035de5d81fbfd5284a02fa;hp=327770bf552230211f2db5d799183fa08dd7e440;hpb=b25dd2842bcaef2413db7a06c67034b187aa007f;p=linux-2.6 diff --git a/net/ipv4/tcp_scalable.c b/net/ipv4/tcp_scalable.c index 327770bf55..4624501e96 100644 --- a/net/ipv4/tcp_scalable.c +++ b/net/ipv4/tcp_scalable.c @@ -5,7 +5,6 @@ * John Heffner */ -#include #include #include @@ -20,20 +19,20 @@ static void tcp_scalable_cong_avoid(struct sock *sk, u32 ack, u32 rtt, u32 in_flight, int flag) { struct tcp_sock *tp = tcp_sk(sk); - if (in_flight < tp->snd_cwnd) + + if (!tcp_is_cwnd_limited(sk, in_flight)) return; - if (tp->snd_cwnd <= tp->snd_ssthresh) { - tp->snd_cwnd++; - } else { + if (tp->snd_cwnd <= tp->snd_ssthresh) + tcp_slow_start(tp); + else { tp->snd_cwnd_cnt++; if (tp->snd_cwnd_cnt > min(tp->snd_cwnd, TCP_SCALABLE_AI_CNT)){ - tp->snd_cwnd++; + if (tp->snd_cwnd < tp->snd_cwnd_clamp) + tp->snd_cwnd++; tp->snd_cwnd_cnt = 0; } } - tp->snd_cwnd = min_t(u32, tp->snd_cwnd, tp->snd_cwnd_clamp); - tp->snd_cwnd_stamp = tcp_time_stamp; } static u32 tcp_scalable_ssthresh(struct sock *sk)