[PATCH v2] net/bonding: failover of LACP with mode 4 takes long time

[Ferruh Yigit]

On 4/16/2024 4:44 PM, Ferruh Yigit wrote:
> On 6/6/2022 3:34 PM, Gaoxiang Liu wrote:
>> When the primary port of bond slaves with bond mode 4 linked down,
>> the system id of the other slave ports channged.
>> It may cause some switches to renegotiate,
>> and the process takes a few seconds. It is not acceptable for any
>> Telcos.
>> We need sub-second switchover time like in linux.
>>
>> Set the mac of the bond port to the slave port's system to solve the
>> problem.
>>
>> Bugzilla ID: 551
>> Fixes: 46fb43683679 ("bond: add mode 4")
>> Cc: stable at dpdk.org
>>
>> Signed-off-by: Gaoxiang Liu <liugaoxiang at huawei.com>
>>
>>
> 
> This is another old patch, as far as I can see from bugzilla, the patch
> the issue is reported by Kiran and proposed by Nandu, and shared in mail
> list by Gaoxiang.
> 
> As it is addressing two bugzilla items, and we are at the beginning of
> the release cycle, I am willing to take risk and apply this patch
> without ack from a bonding maintainer.
> If we found some issues we can revert this back.
> 
> Chas, Connor, if you have any objection, or if you need time for review
> please let me know, otherwise I will merge the patch soon.
> 
> And if anyone can provide test, like Kiran who reported the issue, or
> any other stakeholder, it helps a lot to give confidence to the fix.
> 

Applied to dpdk-next-net/main, thanks.


Please help on verifying the patch.