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net: rps: support PPPOE session messages

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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>
This commit is contained in:
Changli Gao 2011-08-18 23:23:47 -07:00 committed by David S. Miller
parent 1ff1986fc9
commit ae1511bf76
1 changed files with 8 additions and 0 deletions
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8
net/core/dev.c
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@ -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 @@ void __skb_get_rxhash(struct sk_buff *skb)
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;
}