VServer 1.9.2 (patch-2.6.8.1-vs1.9.2.diff)

[linux-2.6.git] / net / sched / sch_tbf.c

diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c
index 7854980..a1df304 100644 (file)
--- a/net/sched/sch_tbf.c
+++ b/net/sched/sch_tbf.c
@@ -137,7 +137,7 @@ struct tbf_sched_data
 
 static int tbf_enqueue(struct sk_buff *skb, struct Qdisc* sch)
 {
-       struct tbf_sched_data *q = (struct tbf_sched_data *)sch->data;
+       struct tbf_sched_data *q = qdisc_priv(sch);
        int ret;
 
        if (skb->len > q->max_size) {
@@ -163,7 +163,7 @@ static int tbf_enqueue(struct sk_buff *skb, struct Qdisc* sch)
 
 static int tbf_requeue(struct sk_buff *skb, struct Qdisc* sch)
 {
-       struct tbf_sched_data *q = (struct tbf_sched_data *)sch->data;
+       struct tbf_sched_data *q = qdisc_priv(sch);
        int ret;
 
        if ((ret = q->qdisc->ops->requeue(skb, q->qdisc)) == 0)
@@ -174,7 +174,7 @@ static int tbf_requeue(struct sk_buff *skb, struct Qdisc* sch)
 
 static unsigned int tbf_drop(struct Qdisc* sch)
 {
-       struct tbf_sched_data *q = (struct tbf_sched_data *)sch->data;
+       struct tbf_sched_data *q = qdisc_priv(sch);
        unsigned int len;
 
        if ((len = q->qdisc->ops->drop(q->qdisc)) != 0) {
@@ -194,20 +194,20 @@ static void tbf_watchdog(unsigned long arg)
 
 static struct sk_buff *tbf_dequeue(struct Qdisc* sch)
 {
-       struct tbf_sched_data *q = (struct tbf_sched_data *)sch->data;
+       struct tbf_sched_data *q = qdisc_priv(sch);
        struct sk_buff *skb;
 
        skb = q->qdisc->dequeue(q->qdisc);
 
        if (skb) {
                psched_time_t now;
-               long toks;
+               long toks, delay;
                long ptoks = 0;
                unsigned int len = skb->len;
 
                PSCHED_GET_TIME(now);
 
-               toks = PSCHED_TDIFF_SAFE(now, q->t_c, q->buffer, 0);
+               toks = PSCHED_TDIFF_SAFE(now, q->t_c, q->buffer);
 
                if (q->P_tab) {
                        ptoks = toks + q->ptokens;
@@ -229,14 +229,12 @@ static struct sk_buff *tbf_dequeue(struct Qdisc* sch)
                        return skb;
                }
 
-               if (!netif_queue_stopped(sch->dev)) {
-                       long delay = PSCHED_US2JIFFIE(max_t(long, -toks, -ptoks));
+               delay = PSCHED_US2JIFFIE(max_t(long, -toks, -ptoks));
 
-                       if (delay == 0)
-                               delay = 1;
+               if (delay == 0)
+                       delay = 1;
 
-                       mod_timer(&q->wd_timer, jiffies+delay);
-               }
+               mod_timer(&q->wd_timer, jiffies+delay);
 
                /* Maybe we have a shorter packet in the queue,
                   which can be sent now. It sounds cool,
@@ -263,7 +261,7 @@ static struct sk_buff *tbf_dequeue(struct Qdisc* sch)
 
 static void tbf_reset(struct Qdisc* sch)
 {
-       struct tbf_sched_data *q = (struct tbf_sched_data *)sch->data;
+       struct tbf_sched_data *q = qdisc_priv(sch);
 
        qdisc_reset(q->qdisc);
        sch->q.qlen = 0;
@@ -302,7 +300,7 @@ static struct Qdisc *tbf_create_dflt_qdisc(struct net_device *dev, u32 limit)
 static int tbf_change(struct Qdisc* sch, struct rtattr *opt)
 {
        int err = -EINVAL;
-       struct tbf_sched_data *q = (struct tbf_sched_data *)sch->data;
+       struct tbf_sched_data *q = qdisc_priv(sch);
        struct rtattr *tb[TCA_TBF_PTAB];
        struct tc_tbf_qopt *qopt;
        struct qdisc_rate_table *rtab = NULL;
@@ -368,7 +366,7 @@ done:
 
 static int tbf_init(struct Qdisc* sch, struct rtattr *opt)
 {
-       struct tbf_sched_data *q = (struct tbf_sched_data *)sch->data;
+       struct tbf_sched_data *q = qdisc_priv(sch);
 
        if (opt == NULL)
                return -EINVAL;
@@ -385,7 +383,7 @@ static int tbf_init(struct Qdisc* sch, struct rtattr *opt)
 
 static void tbf_destroy(struct Qdisc *sch)
 {
-       struct tbf_sched_data *q = (struct tbf_sched_data *)sch->data;
+       struct tbf_sched_data *q = qdisc_priv(sch);
 
        del_timer(&q->wd_timer);
 
@@ -395,12 +393,11 @@ static void tbf_destroy(struct Qdisc *sch)
                qdisc_put_rtab(q->R_tab);
 
        qdisc_destroy(q->qdisc);
-       q->qdisc = &noop_qdisc;
 }
 
 static int tbf_dump(struct Qdisc *sch, struct sk_buff *skb)
 {
-       struct tbf_sched_data *q = (struct tbf_sched_data *)sch->data;
+       struct tbf_sched_data *q = qdisc_priv(sch);
        unsigned char    *b = skb->tail;
        struct rtattr *rta;
        struct tc_tbf_qopt opt;
@@ -429,7 +426,7 @@ rtattr_failure:
 static int tbf_dump_class(struct Qdisc *sch, unsigned long cl,
                          struct sk_buff *skb, struct tcmsg *tcm)
 {
-       struct tbf_sched_data *q = (struct tbf_sched_data*)sch->data;
+       struct tbf_sched_data *q = qdisc_priv(sch);
 
        if (cl != 1)    /* only one class */
                return -ENOENT;
@@ -443,7 +440,7 @@ static int tbf_dump_class(struct Qdisc *sch, unsigned long cl,
 static int tbf_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new,
                     struct Qdisc **old)
 {
-       struct tbf_sched_data *q = (struct tbf_sched_data *)sch->data;
+       struct tbf_sched_data *q = qdisc_priv(sch);
 
        if (new == NULL)
                new = &noop_qdisc;
@@ -459,7 +456,7 @@ static int tbf_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new,
 
 static struct Qdisc *tbf_leaf(struct Qdisc *sch, unsigned long arg)
 {
-       struct tbf_sched_data *q = (struct tbf_sched_data *)sch->data;
+       struct tbf_sched_data *q = qdisc_priv(sch);
        return q->qdisc;
 }