netdev - Re: [PATCH net-next v4] rtnetlink: add new RTM

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Date:	Mon, 18 Apr 2016 12:28:07 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	roopa@...ulusnetworks.com
Cc:	netdev@...r.kernel.org, jhs@...atatu.com, tgraf@...g.ch
Subject: Re: [PATCH net-next v4] rtnetlink: add new RTM_GETSTATS message to
 dump link stats

From: Roopa Prabhu <roopa@...ulusnetworks.com>
Date: Sun, 17 Apr 2016 22:35:35 -0700

> This patch adds a new RTM_GETSTATS message to query link stats via netlink
> from the kernel. RTM_NEWLINK also dumps stats today, but RTM_NEWLINK
> returns a lot more than just stats and is expensive in some cases when
> frequent polling for stats from userspace is a common operation.

The following build failure needs to be resolved:

security/selinux/nlmsgtab.c: In function ‘selinux_nlmsg_lookup’:
include/linux/compiler.h:506:38: error: call to ‘__compiletime_assert_158’ declared with attribute error: BUILD_BUG_ON failed: RTM_MAX != (RTM_NEWNSID + 3)