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| author | Eric Dumazet <edumazet@google.com> | 2012-05-10 05:36:34 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-05-10 23:33:01 -0400 |
| commit | 2dd875ff31ac7ff42d6fc7d7f78ac6c0635439f5 (patch) | |
| tree | c75209ccd8374f9695d4ec854d5b4bfb80c5e0dc /net/sched | |
| parent | a6700db17980972199e61c06be535a79e1b0b4e6 (diff) | |
| download | blackbird-op-linux-2dd875ff31ac7ff42d6fc7d7f78ac6c0635439f5.tar.gz blackbird-op-linux-2dd875ff31ac7ff42d6fc7d7f78ac6c0635439f5.zip | |
net_sched: update bstats in dequeue()
Class bytes/packets stats can be misleading because they are updated in
enqueue() while packet might be dropped later.
We already fixed all qdiscs but sch_atm.
This patch makes the final cleanup.
class rate estimators can now match qdisc ones.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched')
| -rw-r--r-- | net/sched/sch_atm.c | 4 | ||||
| -rw-r--r-- | net/sched/sch_drr.c | 4 | ||||
| -rw-r--r-- | net/sched/sch_hfsc.c | 2 | ||||
| -rw-r--r-- | net/sched/sch_htb.c | 2 |
4 files changed, 6 insertions, 6 deletions
diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c index a77a4fbc069a..8522a4793374 100644 --- a/net/sched/sch_atm.c +++ b/net/sched/sch_atm.c @@ -423,8 +423,6 @@ drop: __maybe_unused } return ret; } - qdisc_bstats_update(sch, skb); - bstats_update(&flow->bstats, skb); /* * Okay, this may seem weird. We pretend we've dropped the packet if * it goes via ATM. The reason for this is that the outer qdisc @@ -472,6 +470,8 @@ static void sch_atm_dequeue(unsigned long data) if (unlikely(!skb)) break; + qdisc_bstats_update(sch, skb); + bstats_update(&flow->bstats, skb); pr_debug("atm_tc_dequeue: sending on class %p\n", flow); /* remove any LL header somebody else has attached */ skb_pull(skb, skb_network_offset(skb)); diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c index c2189879359b..9ce0b4fe23ff 100644 --- a/net/sched/sch_drr.c +++ b/net/sched/sch_drr.c @@ -376,8 +376,6 @@ static int drr_enqueue(struct sk_buff *skb, struct Qdisc *sch) cl->deficit = cl->quantum; } - bstats_update(&cl->bstats, skb); - sch->q.qlen++; return err; } @@ -403,6 +401,8 @@ static struct sk_buff *drr_dequeue(struct Qdisc *sch) skb = qdisc_dequeue_peeked(cl->qdisc); if (cl->qdisc->q.qlen == 0) list_del(&cl->alist); + + bstats_update(&cl->bstats, skb); qdisc_bstats_update(sch, skb); sch->q.qlen--; return skb; diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c index 8db3e2c72827..6c2ec4510540 100644 --- a/net/sched/sch_hfsc.c +++ b/net/sched/sch_hfsc.c @@ -1609,7 +1609,6 @@ hfsc_enqueue(struct sk_buff *skb, struct Qdisc *sch) if (cl->qdisc->q.qlen == 1) set_active(cl, qdisc_pkt_len(skb)); - bstats_update(&cl->bstats, skb); sch->q.qlen++; return NET_XMIT_SUCCESS; @@ -1657,6 +1656,7 @@ hfsc_dequeue(struct Qdisc *sch) return NULL; } + bstats_update(&cl->bstats, skb); update_vf(cl, qdisc_pkt_len(skb), cur_time); if (realtime) cl->cl_cumul += qdisc_pkt_len(skb); diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c index acae5b0e3849..9d75b7761313 100644 --- a/net/sched/sch_htb.c +++ b/net/sched/sch_htb.c @@ -574,7 +574,6 @@ static int htb_enqueue(struct sk_buff *skb, struct Qdisc *sch) } return ret; } else { - bstats_update(&cl->bstats, skb); htb_activate(q, cl); } @@ -835,6 +834,7 @@ next: } while (cl != start); if (likely(skb != NULL)) { + bstats_update(&cl->bstats, skb); cl->un.leaf.deficit[level] -= qdisc_pkt_len(skb); if (cl->un.leaf.deficit[level] < 0) { cl->un.leaf.deficit[level] += cl->quantum; |
