netdev - Re: [PATCH v2 net-next 5/5] ipv6: convert major tx path to use RT6_LOOKUP_F_DST

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Message-ID: <c0860def-4b20-610f-3fde-f9601eb1600e@gmail.com>
Date:   Wed, 19 Jun 2019 17:21:38 -0600
From:   David Ahern <dsahern@...il.com>
To:     Wei Wang <tracywwnj@...il.com>, David Miller <davem@...emloft.net>,
        netdev@...r.kernel.org
Cc:     Eric Dumazet <edumazet@...gle.com>,
        Mahesh Bandewar <maheshb@...gle.com>,
        Martin KaFai Lau <kafai@...com>, Wei Wang <weiwan@...gle.com>
Subject: Re: [PATCH v2 net-next 5/5] ipv6: convert major tx path to use
 RT6_LOOKUP_F_DST_NOREF

On 6/19/19 4:31 PM, Wei Wang wrote:
> diff --git a/include/net/l3mdev.h b/include/net/l3mdev.h
> index e942372b077b..d8c37317bb86 100644
> --- a/include/net/l3mdev.h
> +++ b/include/net/l3mdev.h
> @@ -31,8 +31,9 @@ struct l3mdev_ops {
>  					  u16 proto);
>  
>  	/* IPv6 ops */
> -	struct dst_entry * (*l3mdev_link_scope_lookup)(const struct net_device *dev,
> -						 struct flowi6 *fl6);
> +	struct dst_entry * (*l3mdev_link_scope_lookup_noref)(
> +					    const struct net_device *dev,
> +					    struct flowi6 *fl6);

I would prefer to add a comment about not taking a references vs adding
the _noref extension. There is only 1 user for 1 context and the name
length is getting out of hand (as evidenced by the line wrapping below).