netdev - Re: [PATCH net-next 2/2] net/mlx4_en: Add support for destination MAC in steering rules

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Date:	Tue, 11 Dec 2012 10:38:42 -0500
From:	Brian Haley <brian.haley@...com>
To:	Amir Vadai <amirv@...lanox.com>
CC:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	Or Gerlitz <ogerlitz@...lanox.com>,
	Yan Burman <yanb@...lanox.com>
Subject: Re: [PATCH net-next 2/2] net/mlx4_en: Add support for destination
 MAC in steering rules

On 12/11/2012 07:03 AM, Amir Vadai wrote:
> --- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
> +++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
> @@ -619,7 +619,13 @@ static int mlx4_en_validate_flow(struct net_device *dev,
>  	if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
>  		return -EINVAL;
>  
> -	switch (cmd->fs.flow_type & ~FLOW_EXT) {
> +	if (cmd->fs.flow_type & FLOW_MAC_EXT) {
> +		/* dest mac mask must be ff:ff:ff:ff:ff:ff */
> +		if (memcmp(cmd->fs.m_ext.h_dest, &full_mac, ETH_ALEN))
> +			return -EINVAL;
> +	}

etherdevice.h has is_broadcast_ether_addr() and is_zero_ether_addr() if you want
to get rid of full_mac and zero_mac in this function.

-Brian
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