diff options
Diffstat (limited to 'net/sched/em_meta.c')
-rw-r--r-- | net/sched/em_meta.c | 33 |
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); |