netdev - Re: [RFC PATCH v2 01/12] ixgbevf: Macros, data structures, useful defines and registers

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Date:	Mon, 21 Dec 2009 18:38:22 +0000
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Cc:	netdev@...r.kernel.org, gospo@...hat.com,
	Greg Rose <gregory.v.rose@...el.com>
Subject: Re: [RFC PATCH v2 01/12] ixgbevf: Macros, data structures, useful
	defines and registers

On Fri, 2009-12-18 at 14:51 -0800, Jeff Kirsher wrote:
> From: Greg Rose <gregory.v.rose@...el.com>
> 
> These two headers define the commonly used macros, data structures,
> register bits and register offsets used by the ixgbevf driver on the
> 82599 virtual function device
> 
[...]
> diff --git a/drivers/net/ixgbevf/defines.h b/drivers/net/ixgbevf/defines.h
> new file mode 100644
> index 0000000..b111771
> --- /dev/null
> +++ b/drivers/net/ixgbevf/defines.h
[...]
> +/* Check whether address is multicast.  This is little-endian specific check.*/
> +#define IXGBE_IS_MULTICAST(Address) \
> +	(bool)(((u8 *)(Address))[0] & ((u8)0x01))
> +
> +/* Check whether an address is broadcast. */
> +#define IXGBE_IS_BROADCAST(Address)              \
> +	((((u8 *)(Address))[0] == ((u8)0xFF)) && \
> +	 (((u8 *)(Address))[1] == ((u8)0xFF)))
[...]

Why not use is_multicast_ether_addr() and  is_broadcast_ether_addr()?

Ben.

-- 
Ben Hutchings, Senior Software Engineer, Solarflare Communications
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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