netdev - Re: [patch net-next] ipv6: addrconf: implement address generation modes

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Date:	Fri, 11 Jul 2014 18:16:07 +0900
From:	YOSHIFUJI Hideaki <hideaki.yoshifuji@...aclelinux.com>
To:	Jiri Pirko <jiri@...nulli.us>, netdev@...r.kernel.org
CC:	hideaki.yoshifuji@...aclelinux.com, davem@...emloft.net,
	kuznet@....inr.ac.ru, jmorris@...ei.org, yoshfuji@...ux-ipv6.org,
	kaber@...sh.net, sfeldma@...ulusnetworks.com,
	arvid.brodin@...en.se, sucheta.chakraborty@...gic.com,
	hannes@...essinduktion.org
Subject: Re: [patch net-next] ipv6: addrconf: implement address generation
 modes

Hi,

Jiri Pirko wrote:
> This patch introduces a possibility for userspace to set various (so far
> two) modes of generating addresses. This is useful for example for
> NetworkManager because it can set the mode to NONE and take care of link
> local addresses itself. That allow it to have the interface up,
> monitoring carrier but still don't have any addresses on it.
> 
> Signed-off-by: Jiri Pirko <jiri@...nulli.us>
> ---
>   include/net/if_inet6.h       |  1 +
>   include/uapi/linux/if_link.h |  6 +++++
>   net/ipv6/addrconf.c          | 56 ++++++++++++++++++++++++++++++--------------
>   3 files changed, 45 insertions(+), 18 deletions(-)
> 
> diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h
> index b4956a5..f82b281 100644
> --- a/include/net/if_inet6.h
> +++ b/include/net/if_inet6.h
> @@ -206,6 +206,7 @@ struct inet6_dev {
>   	__u8			rs_probes;
>   
>   	unsigned long		tstamp; /* ipv6InterfaceTable update timestamp */
> +	enum in6_addr_gen_mode	addr_gen_mode;

How about putting this as __u8 after dad_probes?

> diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
> index 358edd2..2c75ec1 100644
> --- a/net/ipv6/addrconf.c
> +++ b/net/ipv6/addrconf.c
> @@ -2730,9 +2730,25 @@ static void addrconf_add_linklocal(struct inet6_dev *idev, const struct in6_addr
>   	}
>   }
>   
> +static void addr_conf_addr_gen(struct inet6_dev *idev, bool prefix_route)

s/addr_conf/addrconf/

-- 
Hideaki Yoshifuji <hideaki.yoshifuji@...aclelinux.com>
Technical Division, MIRACLE LINUX CORPORATION
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