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Diffstat (limited to 'net/sched/em_meta.c')
-rw-r--r--net/sched/em_meta.c33
1 files changed, 26 insertions, 7 deletions
diff --git a/net/sched/em_meta.c b/net/sched/em_meta.c
index a1e5619b187..3da4129b89d 100644
--- a/net/sched/em_meta.c
+++ b/net/sched/em_meta.c
@@ -65,6 +65,7 @@
#include <linux/string.h>
#include <linux/skbuff.h>
#include <linux/random.h>
+#include <linux/if_vlan.h>
#include <linux/tc_ematch/tc_em_meta.h>
#include <net/dst.h>
#include <net/route.h>
@@ -170,6 +171,21 @@ META_COLLECTOR(var_dev)
}
/**************************************************************************
+ * vlan tag
+ **************************************************************************/
+
+META_COLLECTOR(int_vlan_tag)
+{
+ unsigned short uninitialized_var(tag);
+ if (vlan_get_tag(skb, &tag) < 0)
+ *err = -1;
+ else
+ dst->value = tag;
+}
+
+
+
+/**************************************************************************
* skb attributes
**************************************************************************/
@@ -520,6 +536,7 @@ static struct meta_ops __meta_ops[TCF_META_TYPE_MAX+1][TCF_META_ID_MAX+1] = {
[META_ID(SK_SNDTIMEO)] = META_FUNC(int_sk_sndtimeo),
[META_ID(SK_SENDMSG_OFF)] = META_FUNC(int_sk_sendmsg_off),
[META_ID(SK_WRITE_PENDING)] = META_FUNC(int_sk_write_pend),
+ [META_ID(VLAN_TAG)] = META_FUNC(int_vlan_tag),
}
};
@@ -670,8 +687,8 @@ static inline struct meta_type_ops * meta_type_ops(struct meta_value *v)
* Core
**************************************************************************/
-static inline int meta_get(struct sk_buff *skb, struct tcf_pkt_info *info,
- struct meta_value *v, struct meta_obj *dst)
+static int meta_get(struct sk_buff *skb, struct tcf_pkt_info *info,
+ struct meta_value *v, struct meta_obj *dst)
{
int err = 0;
@@ -716,13 +733,15 @@ static int em_meta_match(struct sk_buff *skb, struct tcf_ematch *m,
return 0;
}
-static inline void meta_delete(struct meta_match *meta)
+static void meta_delete(struct meta_match *meta)
{
- struct meta_type_ops *ops = meta_type_ops(&meta->lvalue);
+ if (meta) {
+ struct meta_type_ops *ops = meta_type_ops(&meta->lvalue);
- if (ops && ops->destroy) {
- ops->destroy(&meta->lvalue);
- ops->destroy(&meta->rvalue);
+ if (ops && ops->destroy) {
+ ops->destroy(&meta->lvalue);
+ ops->destroy(&meta->rvalue);
+ }
}
kfree(meta);