netdev - Re: [PATCH net] ipv6: no need to return rt->dst.error if it is not null entry.

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Date:   Mon, 31 Jul 2017 12:40:19 -0600
From:   David Ahern <dsahern@...il.com>
To:     Cong Wang <xiyou.wangcong@...il.com>
Cc:     Roopa Prabhu <roopa@...ulusnetworks.com>,
        Hangbin Liu <liuhangbin@...il.com>,
        network dev <netdev@...r.kernel.org>
Subject: Re: [PATCH net] ipv6: no need to return rt->dst.error if it is not
 null entry.

On 7/31/17 12:37 PM, Cong Wang wrote:
> 
>> So Roopa's fibmatch patches brings consistency between IPv4 and IPv6 at
>> the cost of breaking backwards compatibility for IPv6 when the prohibit
>> or blackhole routes are hit.
>>
> There are already many differences between IPv4 and
> IPv6 behaviors, I don't see why this one is so special
> that we have to make it consistent.

yes, and I have sent a number of patches closing the gap.