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Date: Mon, 02 Feb 2015 12:38:19 -0500
From: Brian Haley <brian.haley@...com>
To: David Ahern <dsahern@...il.com>, netdev@...r.kernel.org
CC: Hannes Frederic Sowa <hannes@...hat.com>
Subject: Re: [PATCH] net: ipv6: Make address flushing on ifdown optional -
v2
On 01/28/2015 11:01 PM, David Ahern wrote:
> Currently, all ipv6 addresses are flushed when the interface is configured
> down, even static address:
>
...
> diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
> index 2805062c013f..b91b7c8be023 100644
> --- a/include/linux/ipv6.h
> +++ b/include/linux/ipv6.h
> @@ -53,6 +53,7 @@ struct ipv6_devconf {
> __s32 ndisc_notify;
> __s32 suppress_frag_ndisc;
> __s32 accept_ra_mtu;
> + __s32 flush_addr_on_down;
> void *sysctl;
> };
...
> diff --git a/include/uapi/linux/ipv6.h b/include/uapi/linux/ipv6.h
> index 437a6a4b125a..ed10d4ba8340 100644
> --- a/include/uapi/linux/ipv6.h
> +++ b/include/uapi/linux/ipv6.h
> @@ -170,6 +170,7 @@ enum {
> DEVCONF_ACCEPT_RA_FROM_LOCAL,
> DEVCONF_USE_OPTIMISTIC,
> DEVCONF_ACCEPT_RA_MTU,
> + DEVCONF_FLUSH_ON_DOWN,
nit: DEVCONF_FLUSH_ADDR_ON_DOWN to match the name added to ipv6_devconf.
-Brian
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