netdev - Re: [PATCHv2 net] ipv6/addrconf: allow adding multicast addr if IFA_F

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Date:   Fri, 23 Aug 2019 08:41:16 -0400
From:   David Ahern <dsahern@...il.com>
To:     Hangbin Liu <liuhangbin@...il.com>
Cc:     netdev@...r.kernel.org, Madhu Challa <challa@...ronetworks.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jianlin Shi <jishi@...hat.com>
Subject: Re: [PATCHv2 net] ipv6/addrconf: allow adding multicast addr if
 IFA_F_MCAUTOJOIN is set

On 8/22/19 4:20 AM, Hangbin Liu wrote:
> On Mon, Aug 19, 2019 at 10:33:58PM -0400, David Ahern wrote:
>> On 8/19/19 10:19 PM, Hangbin Liu wrote:
>>> But in ipv6_add_addr() it will check the address type and reject multicast
>>> address directly. So this feature is never worked for IPv6.
>>
>> If true, that is really disappointing.
>>
>> We need to get a functional test script started for various address cases.
> 
> Do you mean an `ip addr add` testing for all kinds of address types?
> 
yes.