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Date:   Tue, 19 Jul 2022 14:58:13 +0200
From:   Nicolas Dichtel <>
To:     Ido Schimmel <>,
Subject: Re: [PATCH net] mlxsw: spectrum_router: Fix IPv4 nexthop gateway

Le 19/07/2022 à 14:26, Ido Schimmel a écrit :
> mlxsw needs to distinguish nexthops with a gateway from connected
> nexthops in order to write the former to the adjacency table of the
> device. The check used to rely on the fact that nexthops with a gateway
> have a 'link' scope whereas connected nexthops have a 'host' scope. This
> is no longer correct after commit 747c14307214 ("ip: fix dflt addr
> selection for connected nexthop").
> Fix that by instead checking the address family of the gateway IP. This
> is a more direct way and also consistent with the IPv6 counterpart in
> mlxsw_sp_rt6_is_gateway().
> Cc:
> Fixes: 747c14307214 ("ip: fix dflt addr selection for connected nexthop")
> Fixes: 597cfe4fc339 ("nexthop: Add support for IPv4 nexthops")
> Signed-off-by: Ido Schimmel <>
> Reviewed-by: Amit Cohen <>
Reviewed-by: Nicolas Dichtel <>

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