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From: Vincent Bernat <vincent@bernat•im>
To: David Ahern <dsahern@gmail•com>
Cc: "David S. Miller" <davem@davemloft•net>,
	Alexey Kuznetsov <kuznet@ms2•inr.ac.ru>,
	Hideaki YOSHIFUJI <yoshfuji@linux-ipv6•org>,
	Jiri Pirko <jiri@mellanox•com>,
	netdev@vger•kernel.org
Subject: Re: [net-next v1] net: ipv6: avoid overhead when no custom FIB rules are installed
Date: Tue, 08 Aug 2017 16:50:37 +0200	[thread overview]
Message-ID: <87h8xinmf6.fsf@luffy.cx> (raw)
In-Reply-To: <66e3d00a-6788-2e86-9563-fc1424a6a250@gmail.com> (David Ahern's message of "Tue, 8 Aug 2017 08:46:23 -0600")

 ❦  8 août 2017 08:46 -0600, David Ahern <dsahern@gmail•com> :

>> diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c
>> index 2f29e4e33bd3..693c27ede40e 100644
>> --- a/net/ipv6/fib6_rules.c
>> +++ b/net/ipv6/fib6_rules.c
>> @@ -63,19 +63,32 @@ unsigned int fib6_rules_seq_read(struct net *net)
>>  struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi6 *fl6,
>>  				   int flags, pol_lookup_t lookup)
>>  {
>> -	struct fib_lookup_arg arg = {
>> -		.lookup_ptr = lookup,
>> -		.flags = FIB_LOOKUP_NOREF,
>> -	};
>> -
>>  	/* update flow if oif or iif point to device enslaved to l3mdev */
>>  	l3mdev_update_flow(net, flowi6_to_flowi(fl6));
>
> The l3mdev_update_flow can be moved to the has_custom_rules block.
> l3mdev requires FIB rules for the lookups to work, so no rules means no
> l3mdev configured.
>
> Rest looks good to me.

I suspected that it could be moved. I'll update the patch tomorrow.
-- 
Choose variable names that won't be confused.
            - The Elements of Programming Style (Kernighan & Plauger)

  reply	other threads:[~2017-08-08 14:57 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-08 11:51 [net-next v1] net: ipv6: avoid overhead when no custom FIB rules are installed Vincent Bernat
2017-08-08 12:51 ` Jiri Pirko
2017-08-08 14:46 ` David Ahern
2017-08-08 14:50   ` Vincent Bernat [this message]
2017-08-08 18:23   ` [PATCH net-next v2] " Vincent Bernat
2017-08-08 19:10     ` David Ahern
2017-08-09  4:40     ` David Miller

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