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From: David Miller <davem@redhat.com>
To: dsahern@gmail.com
Cc: netdev@vger.kernel.org, idosch@idosch.org,
	roopa@cumulusnetworks.com, eric.dumazet@gmail.com,
	weiwan@google.com, kafai@fb.com, yoshfuji@linux-ipv6.org
Subject: Re: [PATCH RFC net-next 08/20] net/ipv6: Defer initialization of dst to data path
Date: Mon, 26 Feb 2018 15:22:05 -0500 (EST)	[thread overview]
Message-ID: <20180226.152205.1019314339567047877.davem@redhat.com> (raw)
In-Reply-To: <16936451-6fbc-d498-0d51-63d43d899edf@gmail.com>

From: David Ahern <dsahern@gmail.com>
Date: Mon, 26 Feb 2018 13:20:27 -0700

> +static void ip6_rt_init_dst(struct rt6_info *rt, struct rt6_info *ort)
> +{
> +	if (ort->rt6i_flags & RTF_REJECT) {
> +		ip6_rt_init_dst_reject(rt, ort);
> +		return;
> +	}
> +
> +	rt->dst.error = 0;
> +	rt->dst.output = ip6_output;
> +
> +...
> 
> So for reject routes we have the above helper which is basically a code
> move from ip6_route_info_create.
> 
> For non-reject routes dst.error is 0 which is the rest of ip6_rt_init_dst.

My bad, thanks for explaining things to me.  The flag bit test above
completely escaped my eyes for some reason. :)

  reply	other threads:[~2018-02-26 20:22 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-25 19:47 [PATCH RFC net-next 00/20] net/ipv6: Separate data structures for FIB and data path David Ahern
2018-02-25 19:47 ` [PATCH RFC net-next 01/20] net: Move fib_convert_metrics to dst core David Ahern
2018-02-26 19:05   ` David Miller
2018-02-26 20:07     ` David Ahern
2018-02-25 19:47 ` [PATCH RFC net-next 02/20] vrf: Move fib6_table into net_vrf David Ahern
2018-02-26 19:08   ` David Miller
2018-02-26 20:13     ` David Ahern
2018-02-26 20:34       ` David Miller
2018-02-25 19:47 ` [PATCH RFC net-next 03/20] net/ipv6: Pass net to fib6_update_sernum David Ahern
2018-02-25 19:47 ` [PATCH RFC net-next 04/20] net/ipv6: Pass net namespace to route functions David Ahern
2018-02-25 19:47 ` [PATCH RFC net-next 05/20] net/ipv6: Move support functions up in route.c David Ahern
2018-02-25 19:47 ` [PATCH RFC net-next 06/20] net/ipv6: Save route type in rt6_info flags David Ahern
2018-02-25 19:47 ` [PATCH RFC net-next 07/20] net/ipv6: Move nexthop data to fib6_nh David Ahern
2018-02-26 22:28   ` Wei Wang
2018-02-26 22:47     ` David Ahern
2018-02-26 23:05       ` Wei Wang
2018-02-25 19:47 ` [PATCH RFC net-next 08/20] net/ipv6: Defer initialization of dst to data path David Ahern
2018-02-26 19:17   ` David Miller
2018-02-26 20:20     ` David Ahern
2018-02-26 20:22       ` David Miller [this message]
2018-02-25 19:47 ` [PATCH RFC net-next 09/20] net/ipv6: move metrics from dst to rt6_info David Ahern
2018-02-27  0:01   ` [net/ipv6] 15c9251fd2: BUG:unable_to_handle_kernel kernel test robot
2018-02-25 19:47 ` [PATCH RFC net-next 10/20] net/ipv6: move expires into rt6_info David Ahern
2018-02-26 22:28   ` Wei Wang
2018-02-26 22:55     ` David Ahern
2018-02-27  0:31       ` Wei Wang
2018-02-28 19:21       ` Martin KaFai Lau
2018-02-28 22:25         ` David Ahern
2018-02-28 22:56           ` Martin KaFai Lau
2018-02-25 19:47 ` [PATCH RFC net-next 11/20] net/ipv6: Add fib6_null_entry David Ahern
2018-02-25 19:47 ` [PATCH RFC net-next 12/20] net/ipv6: Add rt6_info create function for ip6_pol_route_lookup David Ahern
2018-02-25 19:47 ` [PATCH RFC net-next 13/20] net/ipv6: Move dst flags to booleans in fib entries David Ahern
2018-02-25 19:47 ` [PATCH RFC net-next 14/20] net/ipv6: Create a neigh_lookup for FIB entries David Ahern
2018-02-25 19:47 ` [PATCH RFC net-next 15/20] net/ipv6: Add gfp_flags to route add functions David Ahern
2018-02-25 19:47 ` [PATCH RFC net-next 16/20] net/ipv6: Cleanup exception route handling David Ahern
2018-02-26 19:27   ` David Miller
2018-02-26 20:25     ` David Ahern
2018-02-26 20:29       ` David Miller
2018-02-26 22:29   ` Wei Wang
2018-02-26 23:02     ` David Ahern
2018-02-27  0:32       ` Wei Wang
2018-02-25 19:47 ` [PATCH RFC net-next 17/20] net/ipv6: introduce fib6_info struct and helpers David Ahern
2018-02-25 19:47 ` [PATCH RFC net-next 18/20] net/ipv6: separate handling of FIB entries from dst based routes David Ahern
2018-02-28 18:44   ` Martin KaFai Lau
2018-02-28 20:10     ` David Ahern
2018-02-25 19:47 ` [PATCH RFC net-next 19/20] net/ipv6: Flip FIB entries to fib6_info David Ahern
2018-02-25 19:47 ` [PATCH RFC net-next 20/20] net/ipv6: Remove unused code and variables for rt6_info David Ahern

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