diff options
author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2012-09-06 19:48:59 -0400 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2012-09-06 19:48:59 -0400 |
commit | fff34b3412b9401a76ba9d021db1bd91cb0e02b6 (patch) | |
tree | 870ed2d1555004e7939d15b5099017aae61c97b8 /include/net/codel.h | |
parent | 28e1e58fb668e262648fb8ee8a24154633f40507 (diff) | |
parent | 636802ef96eebe279b22ad9f9dacfe29291e45c7 (diff) |
Merge branch 'merge' into next
Brings in various bug fixes from 3.6-rcX
Diffstat (limited to 'include/net/codel.h')
-rw-r--r-- | include/net/codel.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/net/codel.h b/include/net/codel.h index 550debfc2403..389cf621161d 100644 --- a/include/net/codel.h +++ b/include/net/codel.h | |||
@@ -305,6 +305,8 @@ static struct sk_buff *codel_dequeue(struct Qdisc *sch, | |||
305 | } | 305 | } |
306 | } | 306 | } |
307 | } else if (drop) { | 307 | } else if (drop) { |
308 | u32 delta; | ||
309 | |||
308 | if (params->ecn && INET_ECN_set_ce(skb)) { | 310 | if (params->ecn && INET_ECN_set_ce(skb)) { |
309 | stats->ecn_mark++; | 311 | stats->ecn_mark++; |
310 | } else { | 312 | } else { |
@@ -320,9 +322,11 @@ static struct sk_buff *codel_dequeue(struct Qdisc *sch, | |||
320 | * assume that the drop rate that controlled the queue on the | 322 | * assume that the drop rate that controlled the queue on the |
321 | * last cycle is a good starting point to control it now. | 323 | * last cycle is a good starting point to control it now. |
322 | */ | 324 | */ |
323 | if (codel_time_before(now - vars->drop_next, | 325 | delta = vars->count - vars->lastcount; |
326 | if (delta > 1 && | ||
327 | codel_time_before(now - vars->drop_next, | ||
324 | 16 * params->interval)) { | 328 | 16 * params->interval)) { |
325 | vars->count = (vars->count - vars->lastcount) | 1; | 329 | vars->count = delta; |
326 | /* we dont care if rec_inv_sqrt approximation | 330 | /* we dont care if rec_inv_sqrt approximation |
327 | * is not very precise : | 331 | * is not very precise : |
328 | * Next Newton steps will correct it quadratically. | 332 | * Next Newton steps will correct it quadratically. |