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sch_netem: Move private queue handler to generic location. 

By hand copies of SKB list handlers do not belong in individual packet
schedulers.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2018-07-29 16:33:28 -07:00
parent aea890b8b2
commit 596977300a
2 changed files with 12 additions and 11 deletions
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11
include/net/sch_generic.h
View File

@ -851,6 +851,17 @@ static inline int qdisc_enqueue_tail(struct sk_buff *skb, struct Qdisc *sch)
return NET_XMIT_SUCCESS;
}
static inline void __qdisc_enqueue_head(struct sk_buff *skb,
struct qdisc_skb_head *qh)
{
skb->next = qh->head;
if (!qh->head)
qh->tail = skb;
qh->head = skb;
qh->qlen++;
}
static inline struct sk_buff *__qdisc_dequeue_head(struct qdisc_skb_head *qh)
{
struct sk_buff *skb = qh->head;

12
net/sched/sch_netem.c
View File

@ -412,16 +412,6 @@ static struct sk_buff *netem_segment(struct sk_buff *skb, struct Qdisc *sch,
return segs;
}
static void netem_enqueue_skb_head(struct qdisc_skb_head *qh, struct sk_buff *skb)
{
skb->next = qh->head;
if (!qh->head)
qh->tail = skb;
qh->head = skb;
qh->qlen++;
}
/*
* Insert one skb into qdisc.
* Note: parent depends on return value to account for queue length.
@ -570,7 +560,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch,
cb->time_to_send = ktime_get_ns();
q->counter = 0;
netem_enqueue_skb_head(&sch->q, skb);
__qdisc_enqueue_head(skb, &sch->q);
sch->qstats.requeues++;
}