netdev - Re: [PATCH] man page update (ip.7) to reflect new socket option in 2.6.31

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Date:	Sat, 25 Jul 2009 06:43:42 +0200
From:	Michael Kerrisk <mtk.manpages@...glemail.com>
To:	Nivedita Singhvi <niv@...ibm.com>
Cc:	netdev <netdev@...r.kernel.org>, linux-man@...r.kernel.org
Subject: Re: [PATCH] man page update (ip.7) to reflect new socket option in 
	2.6.31

Hello Nivedita

On Fri, Jun 19, 2009 at 9:21 AM, Nivedita Singhvi<niv@...ibm.com> wrote:
> Nivedita Singhvi wrote:
>>
>> This patch adds the IP_MULTICAST_ALL option to
>> the ip.7 man page, to bring it up to date with
>> 2.6.31 development.
>
> Ah, the "since" is intended to be inclusive.

Yep ;-).

> The
> 2.6.30 needs to be 2.6.31. Correct version below.
> Apologies!

No worries. Glad you caught it. Some belated comments below.

> Signed-off-by: Nivedita Singhvi <niv@...ibm.com>
>
> ---
>  man7/ip.7 |   10 +++++++++-
>  1 files changed, 9 insertions(+), 1 deletions(-)
>
> diff --git a/man7/ip.7 b/man7/ip.7
> index ab866a1..6932ba2 100644
> --- a/man7/ip.7
> +++ b/man7/ip.7
> @@ -357,7 +357,6 @@ and retrieve the MTU by calling
>  with the
>  .B IP_MTU
>  option.
> -
>  It is possible to implement RFC 4821 MTU probing with
>  .B SOCK_DGRAM
>  or
> @@ -383,6 +382,15 @@ When an invalid socket option is passed,
>  .B ENOPROTOOPT
>  is returned.
>  .TP
> +.BR IP_MULTICAST_ALL " (since Linux 2.6.31)"
> +Sets the multicast delivery policy to the socket.  Argument is a boolean

Is the following better here:
Sets the policy for multicast delivery to the socket
?

> +integer that enables or disables multicast delivery from all groups.
> +If not set, delivery to the socket is restricted to data from those
> multicast
> +groups that have been explicitly subscribed to via a multicast join
> operation
> +for this socket. The default is 1 which means that a socket which is bound
> +to the wildcard address (INADDR_ANY) will receive multicast packets from
> all
> +groups that have been subscribed to on this system.
> +.TP
>  .BR IP_MULTICAST_LOOP " (since Linux 1.2)"

Cheers,

Michael

-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Watch my Linux system programming book progress to publication!
http://blog.man7.org/
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