From: David Ahern <dsahern@gmail.com>
To: Ido Schimmel <idosch@mellanox.com>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Cc: "stephen@networkplumber.org" <stephen@networkplumber.org>,
"ivecera@redhat.com" <ivecera@redhat.com>,
"liali@redhat.com" <liali@redhat.com>, mlxsw <mlxsw@mellanox.com>
Subject: Re: [PATCH iproute2-master] bridge: fdb: Fix FDB dump with strict checking disabled
Date: Fri, 25 Jan 2019 10:12:21 -0700 [thread overview]
Message-ID: <9f1514e2-132b-f0f8-b3d5-dcb52dbc91bb@gmail.com> (raw)
In-Reply-To: <20190125170837.6434-1-idosch@mellanox.com>
On 1/25/19 10:09 AM, Ido Schimmel wrote:
> While iproute2 correctly uses ifinfomsg struct as the ancillary header
> when requesting an FDB dump on old kernels, it sets the message type to
> RTM_GETLINK. This results in wrong reply being returned.
>
> Fix this by using RTM_GETNEIGH instead.
>
> Before:
> $ bridge fdb show brport dummy0
> Not RTM_NEWNEIGH: 00000158 00000010 00000002
>
> After:
> $ bridge fdb show brport dummy0
> 2a:0b:41:1c:92:d3 vlan 1 master br0 permanent
> 2a:0b:41:1c:92:d3 master br0 permanent
> 33:33:00:00:00:01 self permanent
> 01:00:5e:00:00:01 self permanent
>
> Fixes: 05880354c2cf ("bridge: fdb: Fix filtering with strict checking disabled")
> Signed-off-by: Ido Schimmel <idosch@mellanox.com>
> Reported-by: LiLiang <liali@redhat.com>
> ---
> bridge/fdb.c | 3 +--
> include/libnetlink.h | 3 +++
> lib/libnetlink.c | 23 +++++++++++++++++++++++
> 3 files changed, 27 insertions(+), 2 deletions(-)
>
Acked-by: David Ahern <dsahern@gmail.com>
next prev parent reply other threads:[~2019-01-25 17:12 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-25 17:09 [PATCH iproute2-master] bridge: fdb: Fix FDB dump with strict checking disabled Ido Schimmel
2019-01-25 17:12 ` David Ahern [this message]
2019-01-25 18:00 ` Ivan Vecera
2019-02-05 23:28 ` Stephen Hemminger
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