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authorIngo Molnar <mingo@kernel.org>2015-02-24 08:41:07 +0100
committerIngo Molnar <mingo@kernel.org>2015-02-24 08:41:07 +0100
commit2ae79026818e7d49fead82b79b1a543e3b9c8a23 (patch)
treec7ee7bd8b37b0880918d361839fd95988fac2dac /include/net/pkt_sched.h
parent1a99367023f6ac664365a37fa508b059e31d0e88 (diff)
parentc517d838eb7d07bbe9507871fab3931deccff539 (diff)
Merge tag 'v4.0-rc1' into locking/core, to refresh the tree before merging new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/net/pkt_sched.h')
-rw-r--r--include/net/pkt_sched.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index 27a33833ff4a..2342bf12cb78 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -3,6 +3,7 @@
#include <linux/jiffies.h>
#include <linux/ktime.h>
+#include <linux/if_vlan.h>
#include <net/sch_generic.h>
struct qdisc_walker {
@@ -114,6 +115,17 @@ int tc_classify_compat(struct sk_buff *skb, const struct tcf_proto *tp,
int tc_classify(struct sk_buff *skb, const struct tcf_proto *tp,
struct tcf_result *res);
+static inline __be16 tc_skb_protocol(const struct sk_buff *skb)
+{
+ /* We need to take extra care in case the skb came via
+ * vlan accelerated path. In that case, use skb->vlan_proto
+ * as the original vlan header was already stripped.
+ */
+ if (skb_vlan_tag_present(skb))
+ return skb->vlan_proto;
+ return skb->protocol;
+}
+
/* Calculate maximal size of packet seen by hard_start_xmit
routine of this device.
*/