linux-kernel - Re: [PATCH v5] net: bonding: Add support for IPV6 ns/na to balance-alb/balance-tlb mode

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Message-ID: <20211224145717.7aebc89f@kicinski-fedora-PC1C0HJN.hsd1.ca.comcast.net>
Date:   Fri, 24 Dec 2021 14:57:17 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Sun Shouxin <sunshouxin@...natelecom.cn>
Cc:     j.vosburgh@...il.com, vfalico@...il.com, andy@...yhouse.net,
        davem@...emloft.net, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, huyd12@...natelecom.cn
Subject: Re: [PATCH v5] net: bonding: Add support for IPV6 ns/na to
 balance-alb/balance-tlb mode

On Fri, 24 Dec 2021 09:25:12 -0500 Sun Shouxin wrote:
> Since ipv6 neighbor solicitation and advertisement messages
> isn't handled gracefully in bonding6 driver, we can see packet
> drop due to inconsistency bewteen mac address in the option
> message and source MAC .
> 
> Another examples is ipv6 neighbor solicitation and advertisement
> messages from VM via tap attached to host brighe, the src mac
> mighe be changed through balance-alb mode, but it is not synced
> with Link-layer address in the option message.
> 
> The patch implements bond6's tx handle for ipv6 neighbor
> solicitation and advertisement messages.
> 
> Suggested-by: Hu Yadi <huyd12@...natelecom.cn>
> Reported-by: kernel test robot <lkp@...el.com>

Still breaks allmodconfig build.