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

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Date:	Mon, 10 Oct 2011 12:35:08 -0700
From:	Yinglin Sun <Yinglin.Sun@....com>
To:	Jay Vosburgh <fubar@...ibm.com>,
	Andy Gospodarek <andy@...yhouse.net>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] bonding: L2L3 xmit doesn't support IPv6

On Fri, Oct 7, 2011 at 10:36 PM, Yinglin Sun <Yinglin.Sun@....com> wrote:
> 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
>
>

Any comment on this patch? Thanks.

Yinglin
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