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authorThomas Graf <tgraf@suug.ch>2005-06-18 22:58:35 -0700
committerDavid S. Miller <davem@davemloft.net>2005-06-18 22:58:35 -0700
commit321090e7a468ab33917a0af839a3ae923b1c1bc5 (patch)
tree70bf124595a2e8cdbafbf3987820231b11ce7386 /net/sched/sch_generic.c
parent[PKT_SCHED]: Transform pfifo_fast to use generic queue management interface (diff)
downloadlinux-dev-321090e7a468ab33917a0af839a3ae923b1c1bc5.tar.xz
linux-dev-321090e7a468ab33917a0af839a3ae923b1c1bc5.zip
[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>
Diffstat (limited to 'net/sched/sch_generic.c')
-rw-r--r--net/sched/sch_generic.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 03cf001adb41..a08a98e7b943 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -311,12 +311,17 @@ static const u8 prio2band[TC_PRIO_MAX+1] =
generic prio+fifo combination.
*/
-static int
-pfifo_fast_enqueue(struct sk_buff *skb, struct Qdisc* qdisc)
+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];
+}
- list += prio2band[skb->priority&TC_PRIO_MAX];
+static int
+pfifo_fast_enqueue(struct sk_buff *skb, struct Qdisc* qdisc)
+{
+ 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