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Diffstat (limited to 'net/sched/sch_dsmark.c')
-rw-r--r--net/sched/sch_dsmark.c85
1 files changed, 49 insertions, 36 deletions
diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c
index 40e06a6890d..f183ab76887 100644
--- a/net/sched/sch_dsmark.c
+++ b/net/sched/sch_dsmark.c
@@ -100,11 +100,11 @@ static void dsmark_put(struct Qdisc *sch, unsigned long cl)
}
static int dsmark_change(struct Qdisc *sch, u32 classid, u32 parent,
- struct rtattr **tca, unsigned long *arg)
+ struct nlattr **tca, unsigned long *arg)
{
struct dsmark_qdisc_data *p = qdisc_priv(sch);
- struct rtattr *opt = tca[TCA_OPTIONS-1];
- struct rtattr *tb[TCA_DSMARK_MAX];
+ struct nlattr *opt = tca[TCA_OPTIONS];
+ struct nlattr *tb[TCA_DSMARK_MAX + 1];
int err = -EINVAL;
u8 mask = 0;
@@ -113,24 +113,29 @@ static int dsmark_change(struct Qdisc *sch, u32 classid, u32 parent,
if (!dsmark_valid_index(p, *arg)) {
err = -ENOENT;
- goto rtattr_failure;
+ goto errout;
}
- if (!opt || rtattr_parse_nested(tb, TCA_DSMARK_MAX, opt))
- goto rtattr_failure;
-
- if (tb[TCA_DSMARK_MASK-1])
- mask = RTA_GET_U8(tb[TCA_DSMARK_MASK-1]);
+ if (!opt || nla_parse_nested(tb, TCA_DSMARK_MAX, opt, NULL))
+ goto errout;
- if (tb[TCA_DSMARK_VALUE-1])
- p->value[*arg-1] = RTA_GET_U8(tb[TCA_DSMARK_VALUE-1]);
+ if (tb[TCA_DSMARK_MASK]) {
+ if (nla_len(tb[TCA_DSMARK_MASK]) < sizeof(u8))
+ goto errout;
+ mask = nla_get_u8(tb[TCA_DSMARK_MASK]);
+ }
+ if (tb[TCA_DSMARK_VALUE]) {
+ if (nla_len(tb[TCA_DSMARK_VALUE]) < sizeof(u8))
+ goto errout;
+ p->value[*arg-1] = nla_get_u8(tb[TCA_DSMARK_VALUE]);
+ }
- if (tb[TCA_DSMARK_MASK-1])
+ if (tb[TCA_DSMARK_MASK])
p->mask[*arg-1] = mask;
err = 0;
-rtattr_failure:
+errout:
return err;
}
@@ -335,10 +340,10 @@ static unsigned int dsmark_drop(struct Qdisc *sch)
return len;
}
-static int dsmark_init(struct Qdisc *sch, struct rtattr *opt)
+static int dsmark_init(struct Qdisc *sch, struct nlattr *opt)
{
struct dsmark_qdisc_data *p = qdisc_priv(sch);
- struct rtattr *tb[TCA_DSMARK_MAX];
+ struct nlattr *tb[TCA_DSMARK_MAX + 1];
int err = -EINVAL;
u32 default_index = NO_DEFAULT_INDEX;
u16 indices;
@@ -346,16 +351,21 @@ static int dsmark_init(struct Qdisc *sch, struct rtattr *opt)
pr_debug("dsmark_init(sch %p,[qdisc %p],opt %p)\n", sch, p, opt);
- if (!opt || rtattr_parse_nested(tb, TCA_DSMARK_MAX, opt) < 0)
+ if (!opt || nla_parse_nested(tb, TCA_DSMARK_MAX, opt, NULL) < 0)
goto errout;
- indices = RTA_GET_U16(tb[TCA_DSMARK_INDICES-1]);
+ if (nla_len(tb[TCA_DSMARK_INDICES]) < sizeof(u16))
+ goto errout;
+ indices = nla_get_u16(tb[TCA_DSMARK_INDICES]);
if (hweight32(indices) != 1)
goto errout;
- if (tb[TCA_DSMARK_DEFAULT_INDEX-1])
- default_index = RTA_GET_U16(tb[TCA_DSMARK_DEFAULT_INDEX-1]);
+ if (tb[TCA_DSMARK_DEFAULT_INDEX]) {
+ if (nla_len(tb[TCA_DSMARK_DEFAULT_INDEX]) < sizeof(u16))
+ goto errout;
+ default_index = nla_get_u16(tb[TCA_DSMARK_DEFAULT_INDEX]);
+ }
mask = kmalloc(indices * 2, GFP_KERNEL);
if (mask == NULL) {
@@ -371,7 +381,7 @@ static int dsmark_init(struct Qdisc *sch, struct rtattr *opt)
p->indices = indices;
p->default_index = default_index;
- p->set_tc_index = RTA_GET_FLAG(tb[TCA_DSMARK_SET_TC_INDEX-1]);
+ p->set_tc_index = nla_get_flag(tb[TCA_DSMARK_SET_TC_INDEX]);
p->q = qdisc_create_dflt(sch->dev, &pfifo_qdisc_ops, sch->handle);
if (p->q == NULL)
@@ -381,7 +391,6 @@ static int dsmark_init(struct Qdisc *sch, struct rtattr *opt)
err = 0;
errout:
-rtattr_failure:
return err;
}
@@ -409,7 +418,7 @@ static int dsmark_dump_class(struct Qdisc *sch, unsigned long cl,
struct sk_buff *skb, struct tcmsg *tcm)
{
struct dsmark_qdisc_data *p = qdisc_priv(sch);
- struct rtattr *opts = NULL;
+ struct nlattr *opts = NULL;
pr_debug("dsmark_dump_class(sch %p,[qdisc %p],class %ld\n", sch, p, cl);
@@ -419,34 +428,38 @@ static int dsmark_dump_class(struct Qdisc *sch, unsigned long cl,
tcm->tcm_handle = TC_H_MAKE(TC_H_MAJ(sch->handle), cl-1);
tcm->tcm_info = p->q->handle;
- opts = RTA_NEST(skb, TCA_OPTIONS);
- RTA_PUT_U8(skb, TCA_DSMARK_MASK, p->mask[cl-1]);
- RTA_PUT_U8(skb, TCA_DSMARK_VALUE, p->value[cl-1]);
+ 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]);
- return RTA_NEST_END(skb, opts);
+ return nla_nest_end(skb, opts);
-rtattr_failure:
- return RTA_NEST_CANCEL(skb, opts);
+nla_put_failure:
+ return nla_nest_cancel(skb, opts);
}
static int dsmark_dump(struct Qdisc *sch, struct sk_buff *skb)
{
struct dsmark_qdisc_data *p = qdisc_priv(sch);
- struct rtattr *opts = NULL;
+ struct nlattr *opts = NULL;
- opts = RTA_NEST(skb, TCA_OPTIONS);
- RTA_PUT_U16(skb, TCA_DSMARK_INDICES, p->indices);
+ opts = nla_nest_start(skb, TCA_OPTIONS);
+ if (opts == NULL)
+ goto nla_put_failure;
+ NLA_PUT_U16(skb, TCA_DSMARK_INDICES, p->indices);
if (p->default_index != NO_DEFAULT_INDEX)
- RTA_PUT_U16(skb, TCA_DSMARK_DEFAULT_INDEX, p->default_index);
+ NLA_PUT_U16(skb, TCA_DSMARK_DEFAULT_INDEX, p->default_index);
if (p->set_tc_index)
- RTA_PUT_FLAG(skb, TCA_DSMARK_SET_TC_INDEX);
+ NLA_PUT_FLAG(skb, TCA_DSMARK_SET_TC_INDEX);
- return RTA_NEST_END(skb, opts);
+ return nla_nest_end(skb, opts);
-rtattr_failure:
- return RTA_NEST_CANCEL(skb, opts);
+nla_put_failure:
+ return nla_nest_cancel(skb, opts);
}
static const struct Qdisc_class_ops dsmark_class_ops = {