[dpdk-dev] Question about bonding port promiscuous

[Min Hu (Connor)]

在 2021/10/27 21:47, David Marchand 写道:
> On Wed, Oct 27, 2021 at 5:21 AM Min Hu (Connor) <humin29 at huawei.com> wrote:
>>
>> Hi, David,
>> In function "bond_ethdev_promiscuous_disable",
>> for "ROUND ROBIN","BALANCE","BROADCAST","8023AD" mode, Promiscuous mode
>> is propagated to all slaves.
>>
>> While for "ACTIVE_BACKUP", "TLB", "ALB", promiscuous mode is propagated
>> only to primary slave.
>>
>> Why?
> 
>>From what I remember of the rework I did some time ago, the code was
> already doing it and I did not question it.
> I guess it mimicks what the Linux kernel bonding driver does.
> 
>>
>> The second question, for "ACTIVE_BACKUP", when primary active slave
>> fails, a different slave becomes active, does the promiscuous mode state
>> of former primary should be set to the new primary?
> 
> IOW, setting promisc on the link that becomes primary?
> If it is not done, it sounds like a bug.
OK, I will try to fix it, thanks David.
> 
>