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-rw-r--r--net/sched/em_meta.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/net/sched/em_meta.c b/net/sched/em_meta.c
index a1e5619..9c2ec19 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 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),
}
};
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