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path: root/net/sched/sch_dsmark.c
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Diffstat (limited to 'net/sched/sch_dsmark.c')
-rw-r--r--net/sched/sch_dsmark.c76
1 files changed, 39 insertions, 37 deletions
diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c
index 1d295d62bb5..49d6ef338b5 100644
--- a/net/sched/sch_dsmark.c
+++ b/net/sched/sch_dsmark.c
@@ -47,7 +47,7 @@ struct dsmark_qdisc_data {
static inline int dsmark_valid_index(struct dsmark_qdisc_data *p, u16 index)
{
- return (index <= p->indices && index > 0);
+ return index <= p->indices && index > 0;
}
/* ------------------------- Class/flow operations ------------------------- */
@@ -57,8 +57,8 @@ static int dsmark_graft(struct Qdisc *sch, unsigned long arg,
{
struct dsmark_qdisc_data *p = qdisc_priv(sch);
- pr_debug("dsmark_graft(sch %p,[qdisc %p],new %p,old %p)\n",
- sch, p, new, old);
+ pr_debug("%s(sch %p,[qdisc %p],new %p,old %p)\n",
+ __func__, sch, p, new, old);
if (new == NULL) {
new = qdisc_create_dflt(sch->dev_queue, &pfifo_qdisc_ops,
@@ -85,8 +85,8 @@ static struct Qdisc *dsmark_leaf(struct Qdisc *sch, unsigned long arg)
static unsigned long dsmark_get(struct Qdisc *sch, u32 classid)
{
- pr_debug("dsmark_get(sch %p,[qdisc %p],classid %x)\n",
- sch, qdisc_priv(sch), classid);
+ pr_debug("%s(sch %p,[qdisc %p],classid %x)\n",
+ __func__, sch, qdisc_priv(sch), classid);
return TC_H_MIN(classid) + 1;
}
@@ -118,8 +118,8 @@ static int dsmark_change(struct Qdisc *sch, u32 classid, u32 parent,
int err = -EINVAL;
u8 mask = 0;
- pr_debug("dsmark_change(sch %p,[qdisc %p],classid %x,parent %x),"
- "arg 0x%lx\n", sch, p, classid, parent, *arg);
+ pr_debug("%s(sch %p,[qdisc %p],classid %x,parent %x), arg 0x%lx\n",
+ __func__, sch, p, classid, parent, *arg);
if (!dsmark_valid_index(p, *arg)) {
err = -ENOENT;
@@ -137,10 +137,10 @@ static int dsmark_change(struct Qdisc *sch, u32 classid, u32 parent,
mask = nla_get_u8(tb[TCA_DSMARK_MASK]);
if (tb[TCA_DSMARK_VALUE])
- p->value[*arg-1] = nla_get_u8(tb[TCA_DSMARK_VALUE]);
+ p->value[*arg - 1] = nla_get_u8(tb[TCA_DSMARK_VALUE]);
if (tb[TCA_DSMARK_MASK])
- p->mask[*arg-1] = mask;
+ p->mask[*arg - 1] = mask;
err = 0;
@@ -155,8 +155,8 @@ static int dsmark_delete(struct Qdisc *sch, unsigned long arg)
if (!dsmark_valid_index(p, arg))
return -EINVAL;
- p->mask[arg-1] = 0xff;
- p->value[arg-1] = 0;
+ p->mask[arg - 1] = 0xff;
+ p->value[arg - 1] = 0;
return 0;
}
@@ -166,7 +166,8 @@ static void dsmark_walk(struct Qdisc *sch, struct qdisc_walker *walker)
struct dsmark_qdisc_data *p = qdisc_priv(sch);
int i;
- pr_debug("dsmark_walk(sch %p,[qdisc %p],walker %p)\n", sch, p, walker);
+ pr_debug("%s(sch %p,[qdisc %p],walker %p)\n",
+ __func__, sch, p, walker);
if (walker->stop)
return;
@@ -175,7 +176,7 @@ static void dsmark_walk(struct Qdisc *sch, struct qdisc_walker *walker)
if (p->mask[i] == 0xff && !p->value[i])
goto ignore;
if (walker->count >= walker->skip) {
- if (walker->fn(sch, i+1, walker) < 0) {
+ if (walker->fn(sch, i + 1, walker) < 0) {
walker->stop = 1;
break;
}
@@ -199,7 +200,7 @@ static int dsmark_enqueue(struct sk_buff *skb, struct Qdisc *sch)
struct dsmark_qdisc_data *p = qdisc_priv(sch);
int err;
- pr_debug("dsmark_enqueue(skb %p,sch %p,[qdisc %p])\n", skb, sch, p);
+ pr_debug("%s(skb %p,sch %p,[qdisc %p])\n", __func__, skb, sch, p);
if (p->set_tc_index) {
switch (skb->protocol) {
@@ -260,15 +261,12 @@ static int dsmark_enqueue(struct sk_buff *skb, struct Qdisc *sch)
return err;
}
- sch->bstats.bytes += qdisc_pkt_len(skb);
- sch->bstats.packets++;
sch->q.qlen++;
return NET_XMIT_SUCCESS;
drop:
- kfree_skb(skb);
- sch->qstats.drops++;
+ qdisc_drop(skb, sch);
return NET_XMIT_SUCCESS | __NET_XMIT_BYPASS;
}
@@ -278,12 +276,13 @@ static struct sk_buff *dsmark_dequeue(struct Qdisc *sch)
struct sk_buff *skb;
u32 index;
- pr_debug("dsmark_dequeue(sch %p,[qdisc %p])\n", sch, p);
+ pr_debug("%s(sch %p,[qdisc %p])\n", __func__, sch, p);
skb = p->q->ops->dequeue(p->q);
if (skb == NULL)
return NULL;
+ qdisc_bstats_update(sch, skb);
sch->q.qlen--;
index = skb->tc_index & (p->indices - 1);
@@ -305,9 +304,8 @@ static struct sk_buff *dsmark_dequeue(struct Qdisc *sch)
* and don't need yet another qdisc as a bypass.
*/
if (p->mask[index] != 0xff || p->value[index])
- printk(KERN_WARNING
- "dsmark_dequeue: unsupported protocol %d\n",
- ntohs(skb->protocol));
+ pr_warn("%s: unsupported protocol %d\n",
+ __func__, ntohs(skb->protocol));
break;
}
@@ -318,7 +316,7 @@ static struct sk_buff *dsmark_peek(struct Qdisc *sch)
{
struct dsmark_qdisc_data *p = qdisc_priv(sch);
- pr_debug("dsmark_peek(sch %p,[qdisc %p])\n", sch, p);
+ pr_debug("%s(sch %p,[qdisc %p])\n", __func__, sch, p);
return p->q->ops->peek(p->q);
}
@@ -328,7 +326,7 @@ static unsigned int dsmark_drop(struct Qdisc *sch)
struct dsmark_qdisc_data *p = qdisc_priv(sch);
unsigned int len;
- pr_debug("dsmark_reset(sch %p,[qdisc %p])\n", sch, p);
+ pr_debug("%s(sch %p,[qdisc %p])\n", __func__, sch, p);
if (p->q->ops->drop == NULL)
return 0;
@@ -349,7 +347,7 @@ static int dsmark_init(struct Qdisc *sch, struct nlattr *opt)
u16 indices;
u8 *mask;
- pr_debug("dsmark_init(sch %p,[qdisc %p],opt %p)\n", sch, p, opt);
+ pr_debug("%s(sch %p,[qdisc %p],opt %p)\n", __func__, sch, p, opt);
if (!opt)
goto errout;
@@ -387,7 +385,7 @@ static int dsmark_init(struct Qdisc *sch, struct nlattr *opt)
if (p->q == NULL)
p->q = &noop_qdisc;
- pr_debug("dsmark_init: qdisc %p\n", p->q);
+ pr_debug("%s: qdisc %p\n", __func__, p->q);
err = 0;
errout:
@@ -398,7 +396,7 @@ static void dsmark_reset(struct Qdisc *sch)
{
struct dsmark_qdisc_data *p = qdisc_priv(sch);
- pr_debug("dsmark_reset(sch %p,[qdisc %p])\n", sch, p);
+ pr_debug("%s(sch %p,[qdisc %p])\n", __func__, sch, p);
qdisc_reset(p->q);
sch->q.qlen = 0;
}
@@ -407,7 +405,7 @@ static void dsmark_destroy(struct Qdisc *sch)
{
struct dsmark_qdisc_data *p = qdisc_priv(sch);
- pr_debug("dsmark_destroy(sch %p,[qdisc %p])\n", sch, p);
+ pr_debug("%s(sch %p,[qdisc %p])\n", __func__, sch, p);
tcf_destroy_chain(&p->filter_list);
qdisc_destroy(p->q);
@@ -420,19 +418,20 @@ static int dsmark_dump_class(struct Qdisc *sch, unsigned long cl,
struct dsmark_qdisc_data *p = qdisc_priv(sch);
struct nlattr *opts = NULL;
- pr_debug("dsmark_dump_class(sch %p,[qdisc %p],class %ld\n", sch, p, cl);
+ pr_debug("%s(sch %p,[qdisc %p],class %ld\n", __func__, sch, p, cl);
if (!dsmark_valid_index(p, cl))
return -EINVAL;
- tcm->tcm_handle = TC_H_MAKE(TC_H_MAJ(sch->handle), cl-1);
+ tcm->tcm_handle = TC_H_MAKE(TC_H_MAJ(sch->handle), cl - 1);
tcm->tcm_info = p->q->handle;
opts = nla_nest_start(skb, TCA_OPTIONS);
if (opts == NULL)
goto nla_put_failure;
- NLA_PUT_U8(skb, TCA_DSMARK_MASK, p->mask[cl-1]);
- NLA_PUT_U8(skb, TCA_DSMARK_VALUE, p->value[cl-1]);
+ if (nla_put_u8(skb, TCA_DSMARK_MASK, p->mask[cl - 1]) ||
+ nla_put_u8(skb, TCA_DSMARK_VALUE, p->value[cl - 1]))
+ goto nla_put_failure;
return nla_nest_end(skb, opts);
@@ -449,13 +448,16 @@ static int dsmark_dump(struct Qdisc *sch, struct sk_buff *skb)
opts = nla_nest_start(skb, TCA_OPTIONS);
if (opts == NULL)
goto nla_put_failure;
- NLA_PUT_U16(skb, TCA_DSMARK_INDICES, p->indices);
+ if (nla_put_u16(skb, TCA_DSMARK_INDICES, p->indices))
+ goto nla_put_failure;
- if (p->default_index != NO_DEFAULT_INDEX)
- NLA_PUT_U16(skb, TCA_DSMARK_DEFAULT_INDEX, p->default_index);
+ if (p->default_index != NO_DEFAULT_INDEX &&
+ nla_put_u16(skb, TCA_DSMARK_DEFAULT_INDEX, p->default_index))
+ goto nla_put_failure;
- if (p->set_tc_index)
- NLA_PUT_FLAG(skb, TCA_DSMARK_SET_TC_INDEX);
+ if (p->set_tc_index &&
+ nla_put_flag(skb, TCA_DSMARK_SET_TC_INDEX))
+ goto nla_put_failure;
return nla_nest_end(skb, opts);