diff options
Diffstat (limited to 'net/ipv4/tcp_cong.c')
-rw-r--r-- | net/ipv4/tcp_cong.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c index 5ca7723d0798..c1b34f1edb32 100644 --- a/net/ipv4/tcp_cong.c +++ b/net/ipv4/tcp_cong.c | |||
@@ -313,28 +313,28 @@ void tcp_reno_cong_avoid(struct sock *sk, u32 ack, u32 rtt, u32 in_flight, | |||
313 | return; | 313 | return; |
314 | 314 | ||
315 | /* In "safe" area, increase. */ | 315 | /* In "safe" area, increase. */ |
316 | if (tp->snd_cwnd <= tp->snd_ssthresh) | 316 | if (tp->snd_cwnd <= tp->snd_ssthresh) |
317 | tcp_slow_start(tp); | 317 | tcp_slow_start(tp); |
318 | 318 | ||
319 | /* In dangerous area, increase slowly. */ | 319 | /* In dangerous area, increase slowly. */ |
320 | else if (sysctl_tcp_abc) { | 320 | else if (sysctl_tcp_abc) { |
321 | /* RFC3465: Appropriate Byte Count | 321 | /* RFC3465: Appropriate Byte Count |
322 | * increase once for each full cwnd acked | 322 | * increase once for each full cwnd acked |
323 | */ | 323 | */ |
324 | if (tp->bytes_acked >= tp->snd_cwnd*tp->mss_cache) { | 324 | if (tp->bytes_acked >= tp->snd_cwnd*tp->mss_cache) { |
325 | tp->bytes_acked -= tp->snd_cwnd*tp->mss_cache; | 325 | tp->bytes_acked -= tp->snd_cwnd*tp->mss_cache; |
326 | if (tp->snd_cwnd < tp->snd_cwnd_clamp) | 326 | if (tp->snd_cwnd < tp->snd_cwnd_clamp) |
327 | tp->snd_cwnd++; | 327 | tp->snd_cwnd++; |
328 | } | 328 | } |
329 | } else { | 329 | } else { |
330 | /* In theory this is tp->snd_cwnd += 1 / tp->snd_cwnd */ | 330 | /* In theory this is tp->snd_cwnd += 1 / tp->snd_cwnd */ |
331 | if (tp->snd_cwnd_cnt >= tp->snd_cwnd) { | 331 | if (tp->snd_cwnd_cnt >= tp->snd_cwnd) { |
332 | if (tp->snd_cwnd < tp->snd_cwnd_clamp) | 332 | if (tp->snd_cwnd < tp->snd_cwnd_clamp) |
333 | tp->snd_cwnd++; | 333 | tp->snd_cwnd++; |
334 | tp->snd_cwnd_cnt = 0; | 334 | tp->snd_cwnd_cnt = 0; |
335 | } else | 335 | } else |
336 | tp->snd_cwnd_cnt++; | 336 | tp->snd_cwnd_cnt++; |
337 | } | 337 | } |
338 | } | 338 | } |
339 | EXPORT_SYMBOL_GPL(tcp_reno_cong_avoid); | 339 | EXPORT_SYMBOL_GPL(tcp_reno_cong_avoid); |
340 | 340 | ||