X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=net%2Fsched%2Fsch_sfq.c;h=a511ba83e26f8045b2ba35f6d9d34641a3595831;hb=27a884dc3cb63b93c2b3b643f5b31eed5f8a4d26;hp=d0d6e595a78c8f824480b3f656815c2c0942839d;hpb=22a3e233ca08a2ddc949ba1ae8f6e16ec7ef1a13;p=deliverable%2Flinux.git

diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index d0d6e595a78c..a511ba83e26f 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -53,7 +53,7 @@
 	Queuing using Deficit Round Robin", Proc. SIGCOMM 95.
 
 
-	This is not the thing that is usually called (W)FQ nowadays. 
+	This is not the thing that is usually called (W)FQ nowadays.
 	It does not use any timestamp mechanism, but instead
 	processes queues in round-robin order.
 
@@ -63,7 +63,7 @@
 
 	DRAWBACKS:
 
-	- "Stochastic" -> It is not 100% fair. 
+	- "Stochastic" -> It is not 100% fair.
 	When hash collisions occur, several flows are considered as one.
 
 	- "Round-robin" -> It introduces larger delays than virtual clock
@@ -137,12 +137,13 @@ static unsigned sfq_hash(struct sfq_sched_data *q, struct sk_buff *skb)
 	switch (skb->protocol) {
 	case __constant_htons(ETH_P_IP):
 	{
-		struct iphdr *iph = skb->nh.iph;
+		const struct iphdr *iph = ip_hdr(skb);
 		h = iph->daddr;
 		h2 = iph->saddr^iph->protocol;
 		if (!(iph->frag_off&htons(IP_MF|IP_OFFSET)) &&
 		    (iph->protocol == IPPROTO_TCP ||
 		     iph->protocol == IPPROTO_UDP ||
+		     iph->protocol == IPPROTO_UDPLITE ||
 		     iph->protocol == IPPROTO_SCTP ||
 		     iph->protocol == IPPROTO_DCCP ||
 		     iph->protocol == IPPROTO_ESP))
@@ -151,11 +152,12 @@ static unsigned sfq_hash(struct sfq_sched_data *q, struct sk_buff *skb)
 	}
 	case __constant_htons(ETH_P_IPV6):
 	{
-		struct ipv6hdr *iph = skb->nh.ipv6h;
+		struct ipv6hdr *iph = ipv6_hdr(skb);
 		h = iph->daddr.s6_addr32[3];
 		h2 = iph->saddr.s6_addr32[3]^iph->nexthdr;
 		if (iph->nexthdr == IPPROTO_TCP ||
 		    iph->nexthdr == IPPROTO_UDP ||
+		    iph->nexthdr == IPPROTO_UDPLITE ||
 		    iph->nexthdr == IPPROTO_SCTP ||
 		    iph->nexthdr == IPPROTO_DCCP ||
 		    iph->nexthdr == IPPROTO_ESP)
@@ -393,6 +395,7 @@ static int sfq_change(struct Qdisc *sch, struct rtattr *opt)
 {
 	struct sfq_sched_data *q = qdisc_priv(sch);
 	struct tc_sfq_qopt *ctl = RTA_DATA(opt);
+	unsigned int qlen;
 
 	if (opt->rta_len < RTA_LENGTH(sizeof(*ctl)))
 		return -EINVAL;
@@ -403,8 +406,10 @@ static int sfq_change(struct Qdisc *sch, struct rtattr *opt)
 	if (ctl->limit)
 		q->limit = min_t(u32, ctl->limit, SFQ_DEPTH);
 
+	qlen = sch->q.qlen;
 	while (sch->q.qlen >= q->limit-1)
 		sfq_drop(sch);
+	qdisc_tree_decrease_qlen(sch, qlen - sch->q.qlen);
 
 	del_timer(&q->perturb_timer);
 	if (q->perturb_period) {
@@ -456,7 +461,7 @@ static void sfq_destroy(struct Qdisc *sch)
 static int sfq_dump(struct Qdisc *sch, struct sk_buff *skb)
 {
 	struct sfq_sched_data *q = qdisc_priv(sch);
-	unsigned char	 *b = skb->tail;
+	unsigned char *b = skb_tail_pointer(skb);
 	struct tc_sfq_qopt opt;
 
 	opt.quantum = q->quantum;
@@ -496,7 +501,7 @@ static int __init sfq_module_init(void)
 {
 	return register_qdisc(&sfq_qdisc_ops);
 }
-static void __exit sfq_module_exit(void) 
+static void __exit sfq_module_exit(void)
 {
 	unregister_qdisc(&sfq_qdisc_ops);
 }