mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-25 15:39:42 +02:00
c3fd35e780
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17351 3c298f89-4303-0410-b956-a3cf2f4a3e73
145 lines
3.9 KiB
Diff
145 lines
3.9 KiB
Diff
--- a/net/sched/sch_generic.c
|
|
+++ b/net/sched/sch_generic.c
|
|
@@ -391,16 +391,50 @@ static const u8 prio2band[TC_PRIO_MAX+1]
|
|
|
|
#define PFIFO_FAST_BANDS 3
|
|
|
|
+struct pfifo_fast_sched_data {
|
|
+ struct tcf_proto *filter_list;
|
|
+ struct sk_buff_head list[PFIFO_FAST_BANDS];
|
|
+};
|
|
+
|
|
static inline struct sk_buff_head *prio2list(struct sk_buff *skb,
|
|
struct Qdisc *qdisc)
|
|
{
|
|
- struct sk_buff_head *list = qdisc_priv(qdisc);
|
|
+ struct pfifo_fast_sched_data *q = qdisc_priv(qdisc);
|
|
+ struct sk_buff_head *list = q->list;
|
|
return list + prio2band[skb->priority & TC_PRIO_MAX];
|
|
}
|
|
|
|
+static int pfifo_fast_filter(struct sk_buff *skb, struct Qdisc* qdisc)
|
|
+{
|
|
+#ifdef CONFIG_NET_CLS_ACT
|
|
+ struct pfifo_fast_sched_data *q = qdisc_priv(qdisc);
|
|
+ int result = 0, ret = NET_XMIT_SUCCESS | __NET_XMIT_STOLEN;
|
|
+ struct tcf_result res;
|
|
+
|
|
+ if (q->filter_list != NULL)
|
|
+ result = tc_classify(skb, q->filter_list, &res);
|
|
+ if (result >= 0) {
|
|
+ switch (result) {
|
|
+ case TC_ACT_STOLEN:
|
|
+ case TC_ACT_QUEUED:
|
|
+ ret = NET_XMIT_SUCCESS | __NET_XMIT_STOLEN;
|
|
+ case TC_ACT_SHOT:
|
|
+ kfree_skb(skb);
|
|
+ return ret;
|
|
+ }
|
|
+ }
|
|
+#endif
|
|
+ return 0;
|
|
+}
|
|
+
|
|
static int pfifo_fast_enqueue(struct sk_buff *skb, struct Qdisc* qdisc)
|
|
{
|
|
struct sk_buff_head *list = prio2list(skb, qdisc);
|
|
+ int ret;
|
|
+
|
|
+ ret = pfifo_fast_filter(skb, qdisc);
|
|
+ if (ret)
|
|
+ return ret;
|
|
|
|
if (skb_queue_len(list) < qdisc_dev(qdisc)->tx_queue_len) {
|
|
qdisc->q.qlen++;
|
|
@@ -412,8 +446,9 @@ static int pfifo_fast_enqueue(struct sk_
|
|
|
|
static struct sk_buff *pfifo_fast_dequeue(struct Qdisc* qdisc)
|
|
{
|
|
+ struct pfifo_fast_sched_data *q = qdisc_priv(qdisc);
|
|
+ struct sk_buff_head *list = q->list;
|
|
int prio;
|
|
- struct sk_buff_head *list = qdisc_priv(qdisc);
|
|
|
|
for (prio = 0; prio < PFIFO_FAST_BANDS; prio++) {
|
|
if (!skb_queue_empty(list + prio)) {
|
|
@@ -440,8 +475,9 @@ static struct sk_buff *pfifo_fast_peek(s
|
|
|
|
static void pfifo_fast_reset(struct Qdisc* qdisc)
|
|
{
|
|
+ struct pfifo_fast_sched_data *q = qdisc_priv(qdisc);
|
|
+ struct sk_buff_head *list = q->list;
|
|
int prio;
|
|
- struct sk_buff_head *list = qdisc_priv(qdisc);
|
|
|
|
for (prio = 0; prio < PFIFO_FAST_BANDS; prio++)
|
|
__qdisc_reset_queue(qdisc, list + prio);
|
|
@@ -464,8 +500,9 @@ nla_put_failure:
|
|
|
|
static int pfifo_fast_init(struct Qdisc *qdisc, struct nlattr *opt)
|
|
{
|
|
+ struct pfifo_fast_sched_data *q = qdisc_priv(qdisc);
|
|
+ struct sk_buff_head *list = q->list;
|
|
int prio;
|
|
- struct sk_buff_head *list = qdisc_priv(qdisc);
|
|
|
|
for (prio = 0; prio < PFIFO_FAST_BANDS; prio++)
|
|
skb_queue_head_init(list + prio);
|
|
@@ -473,9 +510,36 @@ static int pfifo_fast_init(struct Qdisc
|
|
return 0;
|
|
}
|
|
|
|
+static int pfifo_fast_change_class(struct Qdisc *qdisc, u32 classid, u32 parentid,
|
|
+ struct nlattr **tca, unsigned long *arg)
|
|
+{
|
|
+ return -EOPNOTSUPP;
|
|
+}
|
|
+
|
|
+static unsigned long pfifo_fast_get(struct Qdisc *qdisc, u32 classid)
|
|
+{
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static struct tcf_proto **pfifo_fast_find_tcf(struct Qdisc *qdisc, unsigned long cl)
|
|
+{
|
|
+ struct pfifo_fast_sched_data *q = qdisc_priv(qdisc);
|
|
+
|
|
+ if (cl)
|
|
+ return NULL;
|
|
+ return &q->filter_list;
|
|
+}
|
|
+
|
|
+static const struct Qdisc_class_ops pfifo_fast_class_ops = {
|
|
+ .get = pfifo_fast_get,
|
|
+ .change = pfifo_fast_change_class,
|
|
+ .tcf_chain = pfifo_fast_find_tcf,
|
|
+};
|
|
+
|
|
static struct Qdisc_ops pfifo_fast_ops __read_mostly = {
|
|
.id = "pfifo_fast",
|
|
- .priv_size = PFIFO_FAST_BANDS * sizeof(struct sk_buff_head),
|
|
+ .cl_ops = &pfifo_fast_class_ops,
|
|
+ .priv_size = sizeof(struct pfifo_fast_sched_data),
|
|
.enqueue = pfifo_fast_enqueue,
|
|
.dequeue = pfifo_fast_dequeue,
|
|
.peek = pfifo_fast_peek,
|
|
@@ -757,3 +821,18 @@ void dev_shutdown(struct net_device *dev
|
|
shutdown_scheduler_queue(dev, &dev->rx_queue, &noop_qdisc);
|
|
WARN_ON(timer_pending(&dev->watchdog_timer));
|
|
}
|
|
+
|
|
+#ifdef CONFIG_NET_SCHED
|
|
+static int __init sch_generic_init(void)
|
|
+{
|
|
+ return register_qdisc(&pfifo_fast_ops);
|
|
+}
|
|
+
|
|
+static void __exit sch_generic_exit(void)
|
|
+{
|
|
+ unregister_qdisc(&pfifo_fast_ops);
|
|
+}
|
|
+
|
|
+module_init(sch_generic_init)
|
|
+module_exit(sch_generic_exit)
|
|
+#endif
|