temporary remove the pfifo fast patch from 2.6.32, too

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18284 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/generic-2.6/patches-2.6.32/260-extend_pfifo_fast.patch

@@ -1,144 +0,0 @@
---- 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