netdev - Re: [PATCH net] ipv6: set fc_protocol with 0 when rtm_protocol is RTPROT

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Message-ID: <CADvbK_cxHL2XkpAnwo5jsNmHq4K1ou+5oakFkO=Ha8WVu=HBqQ@mail.gmail.com>
Date:   Tue, 1 Aug 2017 14:50:49 +1200
From:   Xin Long <lucien.xin@...il.com>
To:     David Ahern <dsahern@...il.com>
Cc:     network dev <netdev@...r.kernel.org>, davem <davem@...emloft.net>,
        Mantas Mikulėnas <grawity@...il.com>
Subject: Re: [PATCH net] ipv6: set fc_protocol with 0 when rtm_protocol is RTPROT_REDIRECT

On Tue, Aug 1, 2017 at 2:01 PM, David Ahern <dsahern@...il.com> wrote:
> On 7/31/17 7:40 PM, Xin Long wrote:
>> To respect the old code more, setting RTPROT_RA only when
>> it's with the flag (ADDRCONF | DEFAULT | ROUTEINFO),
>> shouldn't it be:
>
> Look at rtm_fill_info:
>
>         if (rt->rt6i_flags & (RTF_DEFAULT | RTF_ROUTEINFO))
>                         rtm->rtm_protocol = RTPROT_RA;
>
>
> If either flag is set the protocol should be RTPROT_RA and looking at
> both places that seems correct to me.
>
ok, right