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From: David Miller <davem@davemloft.net>
To: hannes@stressinduktion.org
Cc: netdev@vger.kernel.org, xiyou.wangcong@gmail.com,
	william.manley@youview.com, bcrl@kvack.org,
	yoshfuji@linux-ipv6.org
Subject: Re: [PATCH net-next v2] ipv6: make unsolicited report intervals configurable for mld
Date: Tue, 13 Aug 2013 15:52:50 -0700 (PDT)	[thread overview]
Message-ID: <20130813.155250.2046252303059223531.davem@davemloft.net> (raw)
In-Reply-To: <20130812112817.GC23241@order.stressinduktion.org>

From: Hannes Frederic Sowa <hannes@stressinduktion.org>
Date: Mon, 12 Aug 2013 13:28:17 +0200

> diff --git a/include/uapi/linux/ipv6.h b/include/uapi/linux/ipv6.h
> index 4bda4cf..315f133 100644
> --- a/include/uapi/linux/ipv6.h
> +++ b/include/uapi/linux/ipv6.h
> @@ -147,6 +147,8 @@ enum {
>  	DEVCONF_MAX_DESYNC_FACTOR,
>  	DEVCONF_MAX_ADDRESSES,
>  	DEVCONF_FORCE_MLD_VERSION,
> +	DEVCONF_MLDV1_UNSOLICITED_REPORT_INTERVAL,
> +	DEVCONF_MLDV2_UNSOLICITED_REPORT_INTERVAL,
>  	DEVCONF_ACCEPT_RA_DEFRTR,
>  	DEVCONF_ACCEPT_RA_PINFO,
>  	DEVCONF_ACCEPT_RA_RTR_PREF,

Since these these values are in an UAPI header, and thus exported to userspace,
you can't add new enumeration values in the middle.  Otherwise you'll change
the existing enumerations, which could break userspace.

You'll have to add these new values to the end.

      reply	other threads:[~2013-08-13 22:52 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-12 11:28 [PATCH net-next v2] ipv6: make unsolicited report intervals configurable for mld Hannes Frederic Sowa
2013-08-13 22:52 ` David Miller [this message]

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