diff options
Diffstat (limited to 'net/ipv4/tcp_vegas.c')
-rw-r--r-- | net/ipv4/tcp_vegas.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/net/ipv4/tcp_vegas.c b/net/ipv4/tcp_vegas.c index b7d296a8ac6d..13e7e6e8df16 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, | |||
215 | vegas->beg_snd_nxt = tp->snd_nxt; | 215 | vegas->beg_snd_nxt = tp->snd_nxt; |
216 | vegas->beg_snd_cwnd = tp->snd_cwnd; | 216 | vegas->beg_snd_cwnd = tp->snd_cwnd; |
217 | 217 | ||
218 | /* Take into account the current RTT sample too, to | ||
219 | * decrease the impact of delayed acks. This double counts | ||
220 | * this sample since we count it for the next window as well, | ||
221 | * but that's not too awful, since we're taking the min, | ||
222 | * rather than averaging. | ||
223 | */ | ||
224 | tcp_vegas_rtt_calc(sk, seq_rtt * 1000); | ||
225 | |||
226 | /* We do the Vegas calculations only if we got enough RTT | 218 | /* We do the Vegas calculations only if we got enough RTT |
227 | * samples that we can be reasonably sure that we got | 219 | * samples that we can be reasonably sure that we got |
228 | * at least one RTT sample that wasn't from a delayed ACK. | 220 | * at least one RTT sample that wasn't from a delayed ACK. |
@@ -333,11 +325,11 @@ static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, | |||
333 | else if (tp->snd_cwnd > tp->snd_cwnd_clamp) | 325 | else if (tp->snd_cwnd > tp->snd_cwnd_clamp) |
334 | tp->snd_cwnd = tp->snd_cwnd_clamp; | 326 | tp->snd_cwnd = tp->snd_cwnd_clamp; |
335 | } | 327 | } |
336 | } | ||
337 | 328 | ||
338 | /* Wipe the slate clean for the next RTT. */ | 329 | /* Wipe the slate clean for the next RTT. */ |
339 | vegas->cntRTT = 0; | 330 | vegas->cntRTT = 0; |
340 | vegas->minRTT = 0x7fffffff; | 331 | vegas->minRTT = 0x7fffffff; |
332 | } | ||
341 | } | 333 | } |
342 | 334 | ||
343 | /* Extract info for Tcp socket info provided via netlink. */ | 335 | /* Extract info for Tcp socket info provided via netlink. */ |