netdev - Re: [PATCH net-next] net: ipv6: Allow connect to linklocal address from socket bound to vrf

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Message-Id: <20180108.141135.1290840529204977450.davem@davemloft.net>
Date:   Mon, 08 Jan 2018 14:11:35 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     dsahern@...il.com
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH net-next] net: ipv6: Allow connect to linklocal address
 from socket bound to vrf

From: David Ahern <dsahern@...il.com>
Date: Thu,  4 Jan 2018 14:03:54 -0800

> Allow a process bound to a VRF to connect to a linklocal address.
> Currently, this fails because of a mismatch between the scope of the
> linklocal address and the sk_bound_dev_if inherited by the VRF binding:
>     $ ssh -6 fe80::70b8:cff:fedd:ead8%eth1
>     ssh: connect to host fe80::70b8:cff:fedd:ead8%eth1 port 22: Invalid argument
> 
> Relax the scope check to allow the socket to be bound to the same L3
> device as the scope id.
> 
> This makes ipv6 linklocal consistent with other relaxed checks enabled
> by commits 1ff23beebdd3 ("net: l3mdev: Allow send on enslaved interface")
> and 7bb387c5ab12a ("net: Allow IP_MULTICAST_IF to set index to L3 slave").
> 
> Signed-off-by: David Ahern <dsahern@...il.com>

Applied, thanks David.