netdev - Re: 答复: [PATCH] net: Fix the arp error in some cases

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Message-ID: <8ca4f200-11e8-c82d-9c87-7b98d557f6a5@gmail.com>
Date:   Wed, 17 Jun 2020 06:44:44 -0600
From:   David Ahern <dsahern@...il.com>
To:     "Guodeqing (A)" <geffrey.guo@...wei.com>,
        "davem@...emloft.net" <davem@...emloft.net>
Cc:     "kuznet@....inr.ac.ru" <kuznet@....inr.ac.ru>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "dsa@...ulusnetworks.com" <dsa@...ulusnetworks.com>,
        "kuba@...nel.org" <kuba@...nel.org>
Subject: Re: 答复: [PATCH] net: Fix the arp error in some cases

On 6/16/20 9:38 PM, Guodeqing (A) wrote:
> rt_set_nexthop in __mkroute_output will check the nh->nh_scope value to determine whether to use the gw or not.
> 		if (nh->nh_gw && nh->nh_scope == RT_SCOPE_LINK) {
> 			rt->rt_gateway = nh->nh_gw;
> 			rt->rt_uses_gateway = 1;
> 		}
> 
> (ip_route_output_key_hash-> ip_route_output_key_hash_rcu-> __mkroute_output-> rt_set_nexthop)
> 

ok, I see now. Thanks.


Reviewed-by: David Ahern <dsahern@...il.com>