linux-kernel - Re: [PATCH 3/3] macvlan: export macvlan mode through netlink

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Message-ID: <4B0398D4.8030904@gmail.com>
Date:	Wed, 18 Nov 2009 07:48:52 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Arnd Bergmann <arnd@...db.de>
CC:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	David Miller <davem@...emloft.net>,
	Stephen Hemminger <shemminger@...tta.com>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	Patrick McHardy <kaber@...sh.net>,
	Patrick Mullaney <pmullaney@...ell.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Edge Virtual Bridging <evb@...oogroups.com>,
	Anna Fischer <anna.fischer@...com>,
	bridge@...ts.linux-foundation.org,
	virtualization@...ts.linux-foundation.com,
	Jens Osterkamp <jens@...ux.vnet.ibm.com>,
	Gerhard Stenzel <gerhard.stenzel@...ibm.com>
Subject: Re: [PATCH 3/3] macvlan: export macvlan mode through netlink

Arnd Bergmann a écrit :
> In order to support all three modes of macvlan at
> runtime, extend the existing netlink protocol
> to allow choosing the mode per macvlan slave
> interface.
> 
> This depends on a matching patch to iproute2
> in order to become accessible in user land.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  drivers/net/macvlan.c   |   67 +++++++++++++++++++++++++++++++++++++++++-----
>  include/linux/if_link.h |   15 ++++++++++
>  2 files changed, 74 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
> index fa8b568..731017e 100644
> --- a/drivers/net/macvlan.c
> +++ b/drivers/net/macvlan.c
> @@ -33,12 +33,6 @@
>  
>  #define MACVLAN_HASH_SIZE	(1 << BITS_PER_BYTE)
>  
> -enum macvlan_type {
> -	MACVLAN_PRIVATE		= 1,
> -	MACVLAN_VEPA		= 2,
> -	MACVLAN_BRIDGE		= 4,
> -};

I realize you defined MACVLAN_PRIVATE in patch 2, but used MACVLAN_MODE_PRIVATE,
so patch 2 is not compilable and breaks bisection ?


> +
> +enum ifla_macvlan_mode {
> +	MACVLAN_MODE_PRIVATE = 1, /* don't talk to other macvlans */
> +	MACVLAN_MODE_VEPA    = 2, /* talk to other ports through ext bridge */
> +	MACVLAN_MODE_BRIDGE  = 4, /* talk to bridge ports directly */
> +};
--
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