From: Stephen Hemminger <stephen@networkplumber.org>
To: David Ahern <dsa@cumulusnetworks.com>
Cc: netdev@vger.kernel.org
Subject: Re: [iproute2 net-next] ip route: Add RTM_F_LOOKUP_TABLE flag and show table id
Date: Wed, 23 Sep 2015 16:14:37 -0700 [thread overview]
Message-ID: <20150923161437.7e055fc2@urahara> (raw)
In-Reply-To: <1442859588-14831-1-git-send-email-dsa@cumulusnetworks.com>
On Mon, 21 Sep 2015 11:19:48 -0700
David Ahern <dsa@cumulusnetworks.com> wrote:
> Currently 'ip route get' does not show the table the lookup result comes
> from and prior to kernel commit c36ba6603a11 the response from the kernel
> was hardcoded to the main table. From the discussion this appears to be
> a leftover from the route cache where the cached entry lost the table id
> and so the result was hardcoded to main table.
>
> c36ba6603a11 added the RTM_F_LOOKUP_TABLE flag to maintain that behavior
> but to allow new tools to ask for the actual table id for the lookup.
> This patch adds that flag to ip route get request and if the result is
> not the main table shows the table id.
>
> Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Applied, the compatibility concerns seem to be abated.
prev parent reply other threads:[~2015-09-23 23:14 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-21 18:19 [iproute2 net-next] ip route: Add RTM_F_LOOKUP_TABLE flag and show table id David Ahern
2015-09-21 21:19 ` Stephen Hemminger
2015-09-21 21:28 ` David Ahern
2015-09-21 21:58 ` David Miller
2015-09-21 22:03 ` David Ahern
2015-09-21 22:03 ` David Miller
2015-09-21 22:23 ` David Ahern
2015-09-21 22:36 ` David Miller
2015-09-23 23:14 ` Stephen Hemminger [this message]
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