Commit 5dd17e08 authored by Changli Gao's avatar Changli Gao Committed by David S. Miller
Browse files

net: rps: fix the support for PPPOE 



The upper protocol numbers of PPPOE are different, and should be treated
specially.

Signed-off-by: default avatarChangli Gao <xiaosuo@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 16e57262

net/core/dev.c

+11 −1
Original line number Diff line number Diff line
@@ -135,6 +135,7 @@ 
#include <linux/cpu_rmap.h>

#include <linux/if_tunnel.h>

#include <linux/if_pppox.h>

#include <linux/ppp_defs.h>



#include "net-sysfs.h"
@@ -2556,6 +2557,7 @@ void __skb_get_rxhash(struct sk_buff *skb) 
again:

	switch (proto) {

	case __constant_htons(ETH_P_IP):

ip:

		if (!pskb_may_pull(skb, sizeof(*ip) + nhoff))

			goto done;
@@ -2569,6 +2571,7 @@ void __skb_get_rxhash(struct sk_buff *skb) 
		nhoff += ip->ihl * 4;

		break;

	case __constant_htons(ETH_P_IPV6):

ipv6:

		if (!pskb_may_pull(skb, sizeof(*ip6) + nhoff))

			goto done;
@@ -2591,7 +2594,14 @@ void __skb_get_rxhash(struct sk_buff *skb) 
		proto = *((__be16 *) (skb->data + nhoff +

				      sizeof(struct pppoe_hdr)));

		nhoff += PPPOE_SES_HLEN;

		goto again;

		switch (proto) {

		case __constant_htons(PPP_IP):

			goto ip;

		case __constant_htons(PPP_IPV6):

			goto ipv6;

		default:

			goto done;

		}

	default:

		goto done;

	}