From: Eric Dumazet <eric.dumazet@gmail.com>
To: David Miller <davem@davemloft.net>
Cc: netdev <netdev@vger.kernel.org>, Michael Dalton <mwdalton@google.com>
Subject: [PATCH net-next] flow_dissector: support L2 GRE
Date: Mon, 11 Mar 2013 17:52:28 +0100 [thread overview]
Message-ID: <1363020748.13690.3.camel@edumazet-glaptop> (raw)
From: Michael Dalton <mwdalton@google.com>
Add support for L2 GRE tunnels, so that RPS can be more effective.
Signed-off-by: Michael Dalton <mwdalton@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
---
net/core/flow_dissector.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c
index 9d4c720..f8d9e03 100644
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -119,6 +119,17 @@ ipv6:
nhoff += 4;
if (hdr->flags & GRE_SEQ)
nhoff += 4;
+ if (proto == htons(ETH_P_TEB)) {
+ const struct ethhdr *eth;
+ struct ethhdr _eth;
+
+ eth = skb_header_pointer(skb, nhoff,
+ sizeof(_eth), &_eth);
+ if (!eth)
+ return false;
+ proto = eth->h_proto;
+ nhoff += sizeof(*eth);
+ }
goto again;
}
break;
next reply other threads:[~2013-03-11 16:52 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-11 16:52 Eric Dumazet [this message]
2013-03-12 9:15 ` [PATCH net-next] flow_dissector: support L2 GRE David Miller
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