[Bridge] [PATCH net-next] net: bridge: Fix improper taking over HW learned FDB

Nikolay Aleksandrov nikolay at cumulusnetworks.com
Thu Apr 27 12:33:33 UTC 2017


On 27/04/17 11:08, Arkadi Sharshevsky wrote:
> Commit 7e26bf45e4cb ("net: bridge: allow SW learn to take over HW fdb
> entries") added the ability to "take over an entry which was previously
> learned via HW when it shows up from a SW port".
> 
> However, if an entry was learned via HW and then a control packet
> (e.g., ARP request) was trapped to the CPU, the bridge driver will
> update the entry and remove the externally learned flag, although the
> entry is still present in HW. Instead, only clear the externally learned
> flag in case of roaming.
> 
> Fixes: 7e26bf45e4cb ("net: bridge: allow SW learn to take over HW fdb entries")
> Signed-off-by: Ido Schimmel <idosch at mellanox.com>
> Signed-off-by: Arkadi Sharashevsky <arkadis at mellanox.com>
> Cc: Nikolay Aleksandrov <nikolay at cumulusnetworks.com>
> ---
>  net/bridge/br_fdb.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)

Thanks!

Acked-by: Nikolay Aleksandrov <nikolay at cumulusnetworks.com>




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