linux-kernel - Re: [net-next v2] ipv6: sr: Compute flowlabel for outer IPv6 header of seg6 encap mode

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Date:   Tue, 24 Apr 2018 20:24:57 +0200
From:   Ahmed Abdelsalam <amsalam20@...il.com>
To:     Ahmed Abdelsalam <amsalam20@...il.com>
Cc:     davem@...emloft.net, dav.lebrun@...il.com, kuznet@....inr.ac.ru,
        yoshfuji@...ux-ipv6.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [net-next v2] ipv6: sr: Compute flowlabel for outer IPv6 header
 of seg6 encap mode

On Tue, 24 Apr 2018 19:59:55 +0200
Ahmed Abdelsalam <amsalam20@...il.com> wrote:

> This patch has been tested for IPv6, IPv4, and L2 traffic.
> 
> Signed-off-by: Ahmed Abdelsalam <amsalam20@...il.com>
> ---
>  include/net/netns/ipv6.h   |  1 +
>  net/ipv6/seg6_iptunnel.c   | 24 ++++++++++++++++++++++--
>  net/ipv6/sysctl_net_ipv6.c |  8 ++++++++
>  3 files changed, 31 insertions(+), 2 deletions(-)
> 
> diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h
> index 97b3a54..c978a31 100644
> --- a/include/net/netns/ipv6.h
> +++ b/include/net/netns/ipv6.h
> @@ -43,6 +43,7 @@ struct netns_sysctl_ipv6 {
>  	int max_hbh_opts_cnt;
>  	int max_dst_opts_len;
>  	int max_hbh_opts_len;
> +	int seg6_flowlabel;
>  };
>  
>  struct netns_ipv6 {
> diff --git a/net/ipv6/seg6_iptunnel.c b/net/ipv6/seg6_iptunnel.c
> index 5fe1394..3d9cd86 100644
> --- a/net/ipv6/seg6_iptunnel.c
> +++ b/net/ipv6/seg6_iptunnel.c
> @@ -91,6 +91,24 @@ static void set_tun_src(struct net *net, struct net_device *dev,
>  	rcu_read_unlock();
>  }
>  
> +/* Compute flowlabel for outer IPv6 header */
> +__be32 seg6_make_flowlabel(struct net *net, struct sk_buff *skb,
> +			   struct ipv6hdr *inner_hdr)

David, please take v3 of the patch. 
I re-defined seg6_make_flowlabel () as static to fix the kbuild test robot.

-- 
Ahmed Abdelsalam <amsalam20@...il.com>