diff options
Diffstat (limited to 'net/sched/sch_sfq.c')
| -rw-r--r-- | net/sched/sch_sfq.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c index c2e628dfaacc..b6ea6afa55b0 100644 --- a/net/sched/sch_sfq.c +++ b/net/sched/sch_sfq.c @@ -169,7 +169,7 @@ static unsigned int sfq_hash(struct sfq_sched_data *q, struct sk_buff *skb) } case htons(ETH_P_IPV6): { - struct ipv6hdr *iph; + const struct ipv6hdr *iph; int poff; if (!pskb_network_may_pull(skb, sizeof(*iph))) @@ -361,7 +361,7 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc *sch) { struct sfq_sched_data *q = qdisc_priv(sch); unsigned int hash; - sfq_index x; + sfq_index x, qlen; struct sfq_slot *slot; int uninitialized_var(ret); @@ -405,20 +405,12 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc *sch) if (++sch->q.qlen <= q->limit) return NET_XMIT_SUCCESS; + qlen = slot->qlen; sfq_drop(sch); - return NET_XMIT_CN; -} - -static struct sk_buff * -sfq_peek(struct Qdisc *sch) -{ - struct sfq_sched_data *q = qdisc_priv(sch); - - /* No active slots */ - if (q->tail == NULL) - return NULL; - - return q->slots[q->tail->next].skblist_next; + /* Return Congestion Notification only if we dropped a packet + * from this flow. + */ + return (qlen != slot->qlen) ? NET_XMIT_CN : NET_XMIT_SUCCESS; } static struct sk_buff * @@ -702,7 +694,7 @@ static struct Qdisc_ops sfq_qdisc_ops __read_mostly = { .priv_size = sizeof(struct sfq_sched_data), .enqueue = sfq_enqueue, .dequeue = sfq_dequeue, - .peek = sfq_peek, + .peek = qdisc_peek_dequeued, .drop = sfq_drop, .init = sfq_init, .reset = sfq_reset, |