netdev - [PATCH] bonding: L2L3 xmit doesn't support IPv6

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Message-Id: <1318052205-21991-1-git-send-email-Yinglin.Sun@emc.com>
Date:	Fri,  7 Oct 2011 22:36:45 -0700
From:	Yinglin Sun <Yinglin.Sun@....com>
To:	Jay Vosburgh <fubar@...ibm.com>,
	Andy Gospodarek <andy@...yhouse.net>
Cc:	netdev@...r.kernel.org, Yinglin Sun <Yinglin.Sun@....com>
Subject: [PATCH] bonding: L2L3 xmit doesn't support IPv6

Add IPv6 support in L2L3 xmit policy.
L3L4 doesn't support IPv6 either, and I'll try to fix that later.

Signed-off-by: Yinglin Sun <Yinglin.Sun@....com>
---
 drivers/net/bonding/bond_main.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 6d79b78..d6fd282 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -41,8 +41,10 @@
 #include <linux/ptrace.h>
 #include <linux/ioport.h>
 #include <linux/in.h>
+#include <linux/in6.h>
 #include <net/ip.h>
 #include <linux/ip.h>
+#include <linux/ipv6.h>
 #include <linux/tcp.h>
 #include <linux/udp.h>
 #include <linux/slab.h>
@@ -3372,10 +3374,15 @@ static int bond_xmit_hash_policy_l23(struct sk_buff *skb, int count)
 {
 	struct ethhdr *data = (struct ethhdr *)skb->data;
 	struct iphdr *iph = ip_hdr(skb);
+	struct ipv6hdr *ipv6h = ipv6_hdr(skb);
 
 	if (skb->protocol == htons(ETH_P_IP)) {
 		return ((ntohl(iph->saddr ^ iph->daddr) & 0xffff) ^
 			(data->h_dest[5] ^ data->h_source[5])) % count;
+	} else if (skb->protocol == htons(ETH_P_IPV6)) {
+		return ((ntohl(ipv6h->saddr.s6_addr32[3] ^
+			       ipv6h->daddr.s6_addr32[3]) & 0xffff) ^
+			(data->h_dest[5] ^ data->h_source[5])) % count;
 	}
 
 	return (data->h_dest[5] ^ data->h_source[5]) % count;
-- 
1.7.4.1

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