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[PKT_SCHED]: Add and use prio2list() in the pfifo_fast qdisc 

prio2list() returns the relevant sk_buff_head for the
band specified by the priority for a given skb.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thomas Graf 2005-06-18 22:58:35 -07:00 committed by David S. Miller
parent 821d24ae74
commit 321090e7a4
1 changed files with 9 additions and 8 deletions
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17
net/sched/sch_generic.c
View File

@ -311,12 +311,17 @@ static const u8 prio2band[TC_PRIO_MAX+1] =
generic prio+fifo combination.
*/
static inline struct sk_buff_head *prio2list(struct sk_buff *skb,
struct Qdisc *qdisc)
{
struct sk_buff_head *list = qdisc_priv(qdisc);
return list + prio2band[skb->priority & TC_PRIO_MAX];
}
static int
pfifo_fast_enqueue(struct sk_buff *skb, struct Qdisc* qdisc)
{
struct sk_buff_head *list = qdisc_priv(qdisc);
list += prio2band[skb->priority&TC_PRIO_MAX];
struct sk_buff_head *list = prio2list(skb, qdisc);
if (skb_queue_len(list) < qdisc->dev->tx_queue_len) {
qdisc->q.qlen++;
@ -345,12 +350,8 @@ pfifo_fast_dequeue(struct Qdisc* qdisc)
static int
pfifo_fast_requeue(struct sk_buff *skb, struct Qdisc* qdisc)
{
struct sk_buff_head *list = qdisc_priv(qdisc);
list += prio2band[skb->priority&TC_PRIO_MAX];
qdisc->q.qlen++;
return __qdisc_requeue(skb, qdisc, list);
return __qdisc_requeue(skb, qdisc, prio2list(skb, qdisc));
}
static void