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| author | David S. Miller <davem@davemloft.net> | 2010-12-20 13:24:14 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-12-20 13:24:14 -0800 |
| commit | d9993be65a77f500ae926176baa264816bfe3816 (patch) | |
| tree | bbb8c86114bf86e5ca3d1fbf89de3d98be5519ba /net/sched | |
| parent | c4266263249f22479eb1abb1a1709c38240b1597 (diff) | |
| parent | aa3e219997e4b949be4199660936099ded0b401f (diff) | |
| download | linux-d9993be65a77f500ae926176baa264816bfe3816.tar.gz | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Diffstat (limited to 'net/sched')
| -rw-r--r-- | net/sched/sch_sfq.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c index cb331dea7fe0..42396c965dd6 100644 --- a/net/sched/sch_sfq.c +++ b/net/sched/sch_sfq.c @@ -270,7 +270,6 @@ static unsigned int sfq_drop(struct Qdisc *sch) /* It is difficult to believe, but ALL THE SLOTS HAVE LENGTH 1. */ d = q->next[q->tail]; q->next[q->tail] = q->next[d]; - q->allot[q->next[d]] += q->quantum; skb = q->qs[d].prev; len = qdisc_pkt_len(skb); __skb_unlink(skb, &q->qs[d]); @@ -321,14 +320,13 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc *sch) sfq_inc(q, x); if (q->qs[x].qlen == 1) { /* The flow is new */ if (q->tail == SFQ_DEPTH) { /* It is the first flow */ - q->tail = x; q->next[x] = x; - q->allot[x] = q->quantum; } else { q->next[x] = q->next[q->tail]; q->next[q->tail] = x; - q->tail = x; } + q->tail = x; + q->allot[x] = q->quantum; } if (++sch->q.qlen <= q->limit) { sch->bstats.bytes += qdisc_pkt_len(skb); @@ -359,13 +357,13 @@ sfq_dequeue(struct Qdisc *sch) { struct sfq_sched_data *q = qdisc_priv(sch); struct sk_buff *skb; - sfq_index a, old_a; + sfq_index a, next_a; /* No active slots */ if (q->tail == SFQ_DEPTH) return NULL; - a = old_a = q->next[q->tail]; + a = q->next[q->tail]; /* Grab packet */ skb = __skb_dequeue(&q->qs[a]); @@ -376,17 +374,15 @@ sfq_dequeue(struct Qdisc *sch) /* Is the slot empty? */ if (q->qs[a].qlen == 0) { q->ht[q->hash[a]] = SFQ_DEPTH; - a = q->next[a]; - if (a == old_a) { + next_a = q->next[a]; + if (a == next_a) { q->tail = SFQ_DEPTH; return skb; } - q->next[q->tail] = a; - q->allot[a] += q->quantum; + q->next[q->tail] = next_a; } else if ((q->allot[a] -= qdisc_pkt_len(skb)) <= 0) { - q->tail = a; - a = q->next[a]; q->allot[a] += q->quantum; + q->tail = a; } return skb; } |