diff options
Diffstat (limited to 'net/sched')
| -rw-r--r-- | net/sched/sch_sfq.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c index b46e0121dd1a..e0f029a887ac 100644 --- a/net/sched/sch_sfq.c +++ b/net/sched/sch_sfq.c @@ -292,7 +292,7 @@ static inline void slot_queue_add(struct sfq_slot *slot, struct sk_buff *skb) slot->skblist_prev = skb; } -static unsigned int sfq_drop(struct Qdisc *sch) +static unsigned int sfq_drop(struct Qdisc *sch, struct sk_buff **to_free) { struct sfq_sched_data *q = qdisc_priv(sch); sfq_index x, d = q->cur_depth; @@ -310,9 +310,8 @@ drop: slot->backlog -= len; sfq_dec(q, x); sch->q.qlen--; - qdisc_qstats_drop(sch); qdisc_qstats_backlog_dec(sch, skb); - kfree_skb(skb); + qdisc_drop(skb, sch, to_free); return len; } @@ -360,7 +359,7 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free) if (hash == 0) { if (ret & __NET_XMIT_BYPASS) qdisc_qstats_drop(sch); - kfree_skb(skb); + __qdisc_drop(skb, to_free); return ret; } hash--; @@ -465,7 +464,7 @@ enqueue: return NET_XMIT_SUCCESS; qlen = slot->qlen; - dropped = sfq_drop(sch); + dropped = sfq_drop(sch, to_free); /* Return Congestion Notification only if we dropped a packet * from this flow. */ @@ -628,6 +627,8 @@ static int sfq_change(struct Qdisc *sch, struct nlattr *opt) struct tc_sfq_qopt_v1 *ctl_v1 = NULL; unsigned int qlen, dropped = 0; struct red_parms *p = NULL; + struct sk_buff *to_free = NULL; + struct sk_buff *tail = NULL; if (opt->nla_len < nla_attr_size(sizeof(*ctl))) return -EINVAL; @@ -674,8 +675,13 @@ static int sfq_change(struct Qdisc *sch, struct nlattr *opt) } qlen = sch->q.qlen; - while (sch->q.qlen > q->limit) - dropped += sfq_drop(sch); + while (sch->q.qlen > q->limit) { + dropped += sfq_drop(sch, &to_free); + if (!tail) + tail = to_free; + } + + rtnl_kfree_skbs(to_free, tail); qdisc_tree_reduce_backlog(sch, qlen - sch->q.qlen, dropped); del_timer(&q->perturb_timer); |
