X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=net%2Fsched%2Fsch_sfq.c;h=e057768f68b4806a1155e367fbf77ba5e00d2fc4;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=acf2666ad7486f3c9f39acdf9315828d8446d6dd;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index acf2666ad..e057768f6 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -13,7 +13,7 @@
 #include <linux/module.h>
 #include <asm/uaccess.h>
 #include <asm/system.h>
-#include <asm/bitops.h>
+#include <linux/bitops.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/jiffies.h>
@@ -144,6 +144,8 @@ static unsigned sfq_hash(struct sfq_sched_data *q, struct sk_buff *skb)
 		if (!(iph->frag_off&htons(IP_MF|IP_OFFSET)) &&
 		    (iph->protocol == IPPROTO_TCP ||
 		     iph->protocol == IPPROTO_UDP ||
+		     iph->protocol == IPPROTO_SCTP ||
+		     iph->protocol == IPPROTO_DCCP ||
 		     iph->protocol == IPPROTO_ESP))
 			h2 ^= *(((u32*)iph) + iph->ihl);
 		break;
@@ -155,6 +157,8 @@ static unsigned sfq_hash(struct sfq_sched_data *q, struct sk_buff *skb)
 		h2 = iph->saddr.s6_addr32[3]^iph->nexthdr;
 		if (iph->nexthdr == IPPROTO_TCP ||
 		    iph->nexthdr == IPPROTO_UDP ||
+		    iph->nexthdr == IPPROTO_SCTP ||
+		    iph->nexthdr == IPPROTO_DCCP ||
 		    iph->nexthdr == IPPROTO_ESP)
 			h2 ^= *(u32*)&iph[1];
 		break;
@@ -211,7 +215,7 @@ static inline void sfq_inc(struct sfq_sched_data *q, sfq_index x)
 
 static unsigned int sfq_drop(struct Qdisc *sch)
 {
-	struct sfq_sched_data *q = (struct sfq_sched_data *)sch->data;
+	struct sfq_sched_data *q = qdisc_priv(sch);
 	sfq_index d = q->max_depth;
 	struct sk_buff *skb;
 	unsigned int len;
@@ -227,7 +231,8 @@ static unsigned int sfq_drop(struct Qdisc *sch)
 		kfree_skb(skb);
 		sfq_dec(q, x);
 		sch->q.qlen--;
-		sch->stats.drops++;
+		sch->qstats.drops++;
+		sch->qstats.backlog -= len;
 		return len;
 	}
 
@@ -243,7 +248,8 @@ static unsigned int sfq_drop(struct Qdisc *sch)
 		sfq_dec(q, d);
 		sch->q.qlen--;
 		q->ht[q->hash[d]] = SFQ_DEPTH;
-		sch->stats.drops++;
+		sch->qstats.drops++;
+		sch->qstats.backlog -= len;
 		return len;
 	}
 
@@ -253,7 +259,7 @@ static unsigned int sfq_drop(struct Qdisc *sch)
 static int
 sfq_enqueue(struct sk_buff *skb, struct Qdisc* sch)
 {
-	struct sfq_sched_data *q = (struct sfq_sched_data *)sch->data;
+	struct sfq_sched_data *q = qdisc_priv(sch);
 	unsigned hash = sfq_hash(q, skb);
 	sfq_index x;
 
@@ -262,6 +268,7 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc* sch)
 		q->ht[hash] = x = q->dep[SFQ_DEPTH].next;
 		q->hash[x] = hash;
 	}
+	sch->qstats.backlog += skb->len;
 	__skb_queue_tail(&q->qs[x], skb);
 	sfq_inc(q, x);
 	if (q->qs[x].qlen == 1) {		/* The flow is new */
@@ -276,8 +283,8 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc* sch)
 		}
 	}
 	if (++sch->q.qlen < q->limit-1) {
-		sch->stats.bytes += skb->len;
-		sch->stats.packets++;
+		sch->bstats.bytes += skb->len;
+		sch->bstats.packets++;
 		return 0;
 	}
 
@@ -288,7 +295,7 @@ sfq_enqueue(struct sk_buff *skb, struct Qdisc* sch)
 static int
 sfq_requeue(struct sk_buff *skb, struct Qdisc* sch)
 {
-	struct sfq_sched_data *q = (struct sfq_sched_data *)sch->data;
+	struct sfq_sched_data *q = qdisc_priv(sch);
 	unsigned hash = sfq_hash(q, skb);
 	sfq_index x;
 
@@ -297,6 +304,7 @@ sfq_requeue(struct sk_buff *skb, struct Qdisc* sch)
 		q->ht[hash] = x = q->dep[SFQ_DEPTH].next;
 		q->hash[x] = hash;
 	}
+	sch->qstats.backlog += skb->len;
 	__skb_queue_head(&q->qs[x], skb);
 	sfq_inc(q, x);
 	if (q->qs[x].qlen == 1) {		/* The flow is new */
@@ -310,10 +318,12 @@ sfq_requeue(struct sk_buff *skb, struct Qdisc* sch)
 			q->tail = x;
 		}
 	}
-	if (++sch->q.qlen < q->limit - 1)
+	if (++sch->q.qlen < q->limit - 1) {
+		sch->qstats.requeues++;
 		return 0;
+	}
 
-	sch->stats.drops++;
+	sch->qstats.drops++;
 	sfq_drop(sch);
 	return NET_XMIT_CN;
 }
@@ -324,7 +334,7 @@ sfq_requeue(struct sk_buff *skb, struct Qdisc* sch)
 static struct sk_buff *
 sfq_dequeue(struct Qdisc* sch)
 {
-	struct sfq_sched_data *q = (struct sfq_sched_data *)sch->data;
+	struct sfq_sched_data *q = qdisc_priv(sch);
 	struct sk_buff *skb;
 	sfq_index a, old_a;
 
@@ -338,6 +348,7 @@ sfq_dequeue(struct Qdisc* sch)
 	skb = __skb_dequeue(&q->qs[a]);
 	sfq_dec(q, a);
 	sch->q.qlen--;
+	sch->qstats.backlog -= skb->len;
 
 	/* Is the slot empty? */
 	if (q->qs[a].qlen == 0) {
@@ -369,10 +380,9 @@ sfq_reset(struct Qdisc* sch)
 static void sfq_perturbation(unsigned long arg)
 {
 	struct Qdisc *sch = (struct Qdisc*)arg;
-	struct sfq_sched_data *q = (struct sfq_sched_data *)sch->data;
+	struct sfq_sched_data *q = qdisc_priv(sch);
 
 	q->perturbation = net_random()&0x1F;
-	q->perturb_timer.expires = jiffies + q->perturb_period;
 
 	if (q->perturb_period) {
 		q->perturb_timer.expires = jiffies + q->perturb_period;
@@ -382,7 +392,7 @@ static void sfq_perturbation(unsigned long arg)
 
 static int sfq_change(struct Qdisc *sch, struct rtattr *opt)
 {
-	struct sfq_sched_data *q = (struct sfq_sched_data *)sch->data;
+	struct sfq_sched_data *q = qdisc_priv(sch);
 	struct tc_sfq_qopt *ctl = RTA_DATA(opt);
 
 	if (opt->rta_len < RTA_LENGTH(sizeof(*ctl)))
@@ -408,7 +418,7 @@ static int sfq_change(struct Qdisc *sch, struct rtattr *opt)
 
 static int sfq_init(struct Qdisc *sch, struct rtattr *opt)
 {
-	struct sfq_sched_data *q = (struct sfq_sched_data *)sch->data;
+	struct sfq_sched_data *q = qdisc_priv(sch);
 	int i;
 
 	init_timer(&q->perturb_timer);
@@ -440,13 +450,13 @@ static int sfq_init(struct Qdisc *sch, struct rtattr *opt)
 
 static void sfq_destroy(struct Qdisc *sch)
 {
-	struct sfq_sched_data *q = (struct sfq_sched_data *)sch->data;
+	struct sfq_sched_data *q = qdisc_priv(sch);
 	del_timer(&q->perturb_timer);
 }
 
 static int sfq_dump(struct Qdisc *sch, struct sk_buff *skb)
 {
-	struct sfq_sched_data *q = (struct sfq_sched_data *)sch->data;
+	struct sfq_sched_data *q = qdisc_priv(sch);
 	unsigned char	 *b = skb->tail;
 	struct tc_sfq_qopt opt;