netdev - Re: [PATCH iproute2] iproute: extend route get to return matching fib route

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Date:   Mon, 5 Jun 2017 12:34:26 -0700
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Roopa Prabhu <roopa@...ulusnetworks.com>
Cc:     netdev@...r.kernel.org, dsahern@...il.com,
        nikolay@...ulusnetworks.com
Subject: Re: [PATCH iproute2] iproute: extend route get to return matching
 fib route

On Thu,  1 Jun 2017 21:53:28 -0700
Roopa Prabhu <roopa@...ulusnetworks.com> wrote:

> From: Roopa Prabhu <roopa@...ulusnetworks.com>
> 
> Uses newly introduced RTM_GETROUTE flag RTM_F_FIB_MATCH
> to return a matching fib route. Introduces 'fibmatch'
> keyword to ip route get.
> 
> ipv4:
> ----
> $ip route show
> default via 192.168.0.2 dev eth0
> 10.0.14.0/24
>         nexthop via 172.16.0.3  dev dummy0 weight 1
>         nexthop via 172.16.1.3  dev dummy1 weight 1
> 
> $ip route get 10.0.14.2
> 10.0.14.2 via 172.16.1.3 dev dummy1  src 172.16.1.1
>     cache
> 
> $ip route get fibmatch 10.0.14.2
> 10.0.14.0/24
>         nexthop via 172.16.0.3  dev dummy0 weight 1
>         nexthop via 172.16.1.3  dev dummy1 weight 1
> 
> ipv6:
> ----
> $ip -6 route show
> 2001:db9:100::/120  metric 1024
>         nexthop via 2001:db8:2::2  dev dummy0 weight 1
>         nexthop via 2001:db8:12::2  dev dummy1 weight 1
> 
> $ip -6 route get 2001:db9:100::1
> 2001:db9:100::1 from :: via 2001:db8:12::2 dev dummy1  \
>                 src 2001:db8:12::1  metric 1024  pref medium
> 
> $ip -6 route get fibmatch 2001:db9:100::1
> 2001:db9:100::/120  metric 1024
>         nexthop via 2001:db8:12::2  dev dummy1 weight 1
>         nexthop via 2001:db8:2::2  dev dummy0 weight 1
> 
> Signed-off-by: Roopa Prabhu <roopa@...ulusnetworks.com>

Applied to net-next  branch