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authorLinus Torvalds <torvalds@linux-foundation.org>2008-01-29 22:54:01 +1100
committerLinus Torvalds <torvalds@linux-foundation.org>2008-01-29 22:54:01 +1100
commit0ba6c33bcddc64a54b5f1c25a696c4767dc76292 (patch)
tree62e616f97a4762d8e75bf732e4827af2d15d52c5 /net/sched/em_meta.c
parent21af0297c7e56024a5ccc4d8ad2a590f9ec371ba (diff)
parent85040bcb4643cba578839e953f25e2d1965d83d0 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.25
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.25: (1470 commits) [IPV6] ADDRLABEL: Fix double free on label deletion. [PPP]: Sparse warning fixes. [IPV4] fib_trie: remove unneeded NULL check [IPV4] fib_trie: More whitespace cleanup. [NET_SCHED]: Use nla_policy for attribute validation in ematches [NET_SCHED]: Use nla_policy for attribute validation in actions [NET_SCHED]: Use nla_policy for attribute validation in classifiers [NET_SCHED]: Use nla_policy for attribute validation in packet schedulers [NET_SCHED]: sch_api: introduce constant for rate table size [NET_SCHED]: Use typeful attribute parsing helpers [NET_SCHED]: Use typeful attribute construction helpers [NET_SCHED]: Use NLA_PUT_STRING for string dumping [NET_SCHED]: Use nla_nest_start/nla_nest_end [NET_SCHED]: Propagate nla_parse return value [NET_SCHED]: act_api: use PTR_ERR in tcf_action_init/tcf_action_get [NET_SCHED]: act_api: use nlmsg_parse [NET_SCHED]: act_api: fix netlink API conversion bug [NET_SCHED]: sch_netem: use nla_parse_nested_compat [NET_SCHED]: sch_atm: fix format string warning [NETNS]: Add namespace for ICMP replying code. ...
Diffstat (limited to 'net/sched/em_meta.c')
-rw-r--r--net/sched/em_meta.c64
1 files changed, 34 insertions, 30 deletions
diff --git a/net/sched/em_meta.c b/net/sched/em_meta.c
index ceda8890ab0..a1e5619b187 100644
--- a/net/sched/em_meta.c
+++ b/net/sched/em_meta.c
@@ -542,11 +542,11 @@ static int meta_var_compare(struct meta_obj *a, struct meta_obj *b)
return r;
}
-static int meta_var_change(struct meta_value *dst, struct rtattr *rta)
+static int meta_var_change(struct meta_value *dst, struct nlattr *nla)
{
- int len = RTA_PAYLOAD(rta);
+ int len = nla_len(nla);
- dst->val = (unsigned long)kmemdup(RTA_DATA(rta), len, GFP_KERNEL);
+ dst->val = (unsigned long)kmemdup(nla_data(nla), len, GFP_KERNEL);
if (dst->val == 0UL)
return -ENOMEM;
dst->len = len;
@@ -570,10 +570,10 @@ static void meta_var_apply_extras(struct meta_value *v,
static int meta_var_dump(struct sk_buff *skb, struct meta_value *v, int tlv)
{
if (v->val && v->len)
- RTA_PUT(skb, tlv, v->len, (void *) v->val);
+ NLA_PUT(skb, tlv, v->len, (void *) v->val);
return 0;
-rtattr_failure:
+nla_put_failure:
return -1;
}
@@ -594,13 +594,13 @@ static int meta_int_compare(struct meta_obj *a, struct meta_obj *b)
return 1;
}
-static int meta_int_change(struct meta_value *dst, struct rtattr *rta)
+static int meta_int_change(struct meta_value *dst, struct nlattr *nla)
{
- if (RTA_PAYLOAD(rta) >= sizeof(unsigned long)) {
- dst->val = *(unsigned long *) RTA_DATA(rta);
+ if (nla_len(nla) >= sizeof(unsigned long)) {
+ dst->val = *(unsigned long *) nla_data(nla);
dst->len = sizeof(unsigned long);
- } else if (RTA_PAYLOAD(rta) == sizeof(u32)) {
- dst->val = *(u32 *) RTA_DATA(rta);
+ } else if (nla_len(nla) == sizeof(u32)) {
+ dst->val = nla_get_u32(nla);
dst->len = sizeof(u32);
} else
return -EINVAL;
@@ -621,15 +621,14 @@ static void meta_int_apply_extras(struct meta_value *v,
static int meta_int_dump(struct sk_buff *skb, struct meta_value *v, int tlv)
{
if (v->len == sizeof(unsigned long))
- RTA_PUT(skb, tlv, sizeof(unsigned long), &v->val);
+ NLA_PUT(skb, tlv, sizeof(unsigned long), &v->val);
else if (v->len == sizeof(u32)) {
- u32 d = v->val;
- RTA_PUT(skb, tlv, sizeof(d), &d);
+ NLA_PUT_U32(skb, tlv, v->val);
}
return 0;
-rtattr_failure:
+nla_put_failure:
return -1;
}
@@ -641,7 +640,7 @@ struct meta_type_ops
{
void (*destroy)(struct meta_value *);
int (*compare)(struct meta_obj *, struct meta_obj *);
- int (*change)(struct meta_value *, struct rtattr *);
+ int (*change)(struct meta_value *, struct nlattr *);
void (*apply_extras)(struct meta_value *, struct meta_obj *);
int (*dump)(struct sk_buff *, struct meta_value *, int);
};
@@ -729,13 +728,13 @@ static inline void meta_delete(struct meta_match *meta)
kfree(meta);
}
-static inline int meta_change_data(struct meta_value *dst, struct rtattr *rta)
+static inline int meta_change_data(struct meta_value *dst, struct nlattr *nla)
{
- if (rta) {
- if (RTA_PAYLOAD(rta) == 0)
+ if (nla) {
+ if (nla_len(nla) == 0)
return -EINVAL;
- return meta_type_ops(dst)->change(dst, rta);
+ return meta_type_ops(dst)->change(dst, nla);
}
return 0;
@@ -746,21 +745,26 @@ static inline int meta_is_supported(struct meta_value *val)
return (!meta_id(val) || meta_ops(val)->get);
}
+static const struct nla_policy meta_policy[TCA_EM_META_MAX + 1] = {
+ [TCA_EM_META_HDR] = { .len = sizeof(struct tcf_meta_hdr) },
+};
+
static int em_meta_change(struct tcf_proto *tp, void *data, int len,
struct tcf_ematch *m)
{
- int err = -EINVAL;
- struct rtattr *tb[TCA_EM_META_MAX];
+ int err;
+ struct nlattr *tb[TCA_EM_META_MAX + 1];
struct tcf_meta_hdr *hdr;
struct meta_match *meta = NULL;
- if (rtattr_parse(tb, TCA_EM_META_MAX, data, len) < 0)
+ err = nla_parse(tb, TCA_EM_META_MAX, data, len, meta_policy);
+ if (err < 0)
goto errout;
- if (tb[TCA_EM_META_HDR-1] == NULL ||
- RTA_PAYLOAD(tb[TCA_EM_META_HDR-1]) < sizeof(*hdr))
+ err = -EINVAL;
+ if (tb[TCA_EM_META_HDR] == NULL)
goto errout;
- hdr = RTA_DATA(tb[TCA_EM_META_HDR-1]);
+ hdr = nla_data(tb[TCA_EM_META_HDR]);
if (TCF_META_TYPE(hdr->left.kind) != TCF_META_TYPE(hdr->right.kind) ||
TCF_META_TYPE(hdr->left.kind) > TCF_META_TYPE_MAX ||
@@ -781,8 +785,8 @@ static int em_meta_change(struct tcf_proto *tp, void *data, int len,
goto errout;
}
- if (meta_change_data(&meta->lvalue, tb[TCA_EM_META_LVALUE-1]) < 0 ||
- meta_change_data(&meta->rvalue, tb[TCA_EM_META_RVALUE-1]) < 0)
+ if (meta_change_data(&meta->lvalue, tb[TCA_EM_META_LVALUE]) < 0 ||
+ meta_change_data(&meta->rvalue, tb[TCA_EM_META_RVALUE]) < 0)
goto errout;
m->datalen = sizeof(*meta);
@@ -811,16 +815,16 @@ static int em_meta_dump(struct sk_buff *skb, struct tcf_ematch *em)
memcpy(&hdr.left, &meta->lvalue.hdr, sizeof(hdr.left));
memcpy(&hdr.right, &meta->rvalue.hdr, sizeof(hdr.right));
- RTA_PUT(skb, TCA_EM_META_HDR, sizeof(hdr), &hdr);
+ NLA_PUT(skb, TCA_EM_META_HDR, sizeof(hdr), &hdr);
ops = meta_type_ops(&meta->lvalue);
if (ops->dump(skb, &meta->lvalue, TCA_EM_META_LVALUE) < 0 ||
ops->dump(skb, &meta->rvalue, TCA_EM_META_RVALUE) < 0)
- goto rtattr_failure;
+ goto nla_put_failure;
return 0;
-rtattr_failure:
+nla_put_failure:
return -1;
}