netdev - Re: [PATCH net-next v4 2/5] ipv6: keep track of routes using src

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Message-ID: <ece35d5e-fa1e-c2d2-9de9-2e4c54a99f3a@gmail.com>
Date:   Thu, 21 Nov 2019 13:09:25 -0700
From:   David Ahern <dsahern@...il.com>
To:     Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org
Cc:     "David S. Miller" <davem@...emloft.net>,
        Willem de Bruijn <willemdebruijn.kernel@...il.com>,
        Edward Cree <ecree@...arflare.com>,
        Eric Dumazet <eric.dumazet@...il.com>
Subject: Re: [PATCH net-next v4 2/5] ipv6: keep track of routes using src

On 11/20/19 5:47 AM, Paolo Abeni wrote:
> Use a per namespace counter, increment it on successful creation
> of any route using the source address, decrement it on deletion
> of such routes.
> 
> This allows us to check easily if the routing decision in the
> current namespace depends on the packet source. Will be used
> by the next patch.
> 
> Suggested-by: David Ahern <dsahern@...il.com>
> Signed-off-by: Paolo Abeni <pabeni@...hat.com>
> ---
>  include/net/ip6_fib.h    | 30 ++++++++++++++++++++++++++++++
>  include/net/netns/ipv6.h |  3 +++
>  net/ipv6/ip6_fib.c       |  4 ++++
>  net/ipv6/route.c         |  3 +++
>  4 files changed, 40 insertions(+)
> 

Reviewed-by: David Ahern <dsahern@...il.com>