From: Changli Gao <xiaosuo@gmail.com>
Date: Fri, 19 Aug 2011 06:23:47 +0000 (-0700)
Subject: net: rps: support PPPOE session messages
X-Git-Tag: next-20110822~42^2~12
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ae1511bf769cafeae5ab61aaf9947a16a22cbd10;p=karo-tx-linux.git

net: rps: support PPPOE session messages

Inspect the payload of PPPOE session messages for the 4 tuples to generate
skb->rxhash.

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/core/dev.c b/net/core/dev.c
index be7ee506f17a..c2442b46646e 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -134,6 +134,7 @@
 #include <linux/inetdevice.h>
 #include <linux/cpu_rmap.h>
 #include <linux/if_tunnel.h>
+#include <linux/if_pppox.h>
 
 #include "net-sysfs.h"
 
@@ -2573,6 +2574,13 @@ again:
 		proto = vlan->h_vlan_encapsulated_proto;
 		nhoff += sizeof(*vlan);
 		goto again;
+	case __constant_htons(ETH_P_PPP_SES):
+		if (!pskb_may_pull(skb, PPPOE_SES_HLEN + nhoff))
+			goto done;
+		proto = *((__be16 *) (skb->data + nhoff +
+				      sizeof(struct pppoe_hdr)));
+		nhoff += PPPOE_SES_HLEN;
+		goto again;
 	default:
 		goto done;
 	}