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Date:   Thu, 14 Oct 2021 08:28:17 -0600
From:   David Ahern <dsahern@...il.com>
To:     Leonard Crestez <cdleonard@...il.com>,
        David Ahern <dsahern@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        Jakub Kicinski <kuba@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Kuniyuki Iwashima <kuniyu@...zon.co.jp>,
        Yonghong Song <yhs@...com>,
        Alexander Duyck <alexanderduyck@...com>,
        Florian Westphal <fw@...len.de>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 4/4] selftests: net/fcnal: Test
 --{do,no}-bind-key-ifindex

On 10/13/21 12:50 AM, Leonard Crestez wrote:
> Test that applications binding listening sockets to VRFs without
> specifying TCP_MD5SIG_FLAG_IFINDEX will work as expected. This would
> be broken if __tcp_md5_do_lookup always made a strict comparison on
> l3index. See this email:
> 
> https://lore.kernel.org/netdev/209548b5-27d2-2059-f2e9-2148f5a0291b@gmail.com/
> 
> Applications using tcp_l3mdev_accept=1 and a single global socket (not
> bound to any interface) also should have a way to specify keys that are
> only for the default VRF, this is done by --do-bind-key-ifindex without
> otherwise binding to a device.
> 
> Signed-off-by: Leonard Crestez <cdleonard@...il.com>
> ---
>  tools/testing/selftests/net/fcnal-test.sh | 60 +++++++++++++++++++++++
>  1 file changed, 60 insertions(+)
> 

Reviewed-by: David Ahern <dsahern@...nel.org>

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