netdev - Re: [net-next 03/11] ixgbe: update perfect filter framework to support retaining filters

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Message-ID: <1308897644.11000.12.camel@Joe-Laptop>
Date:	Thu, 23 Jun 2011 23:40:44 -0700
From:	Joe Perches <joe@...ches.com>
To:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Cc:	davem@...emloft.net, Alexander Duyck <alexander.h.duyck@...el.com>,
	netdev@...r.kernel.org, gospo@...hat.com
Subject: Re: [net-next 03/11] ixgbe: update perfect filter framework to
 support retaining filters

On Thu, 2011-06-23 at 23:03 -0700, Jeff Kirsher wrote:
> From: Alexander Duyck <alexander.h.duyck@...el.com>

Just trivia

> diff --git a/drivers/net/ixgbe/ixgbe_82599.c b/drivers/net/ixgbe/ixgbe_82599.c
[]
> @@ -1484,6 +1427,101 @@ s32 ixgbe_fdir_add_signature_filter_82599(struct ixgbe_hw *hw,
>  	return 0;
>  }
>  
> +#define IXGBE_COMPUTE_BKT_HASH_ITERATION(_n) \
> +do { \
> +	u32 n = (_n); \
> +	if (IXGBE_ATR_BUCKET_HASH_KEY & (0x01 << n)) \
> +		bucket_hash ^= lo_hash_dword >> n; \
> +	if (IXGBE_ATR_BUCKET_HASH_KEY & (0x01 << (n + 16))) \
> +		bucket_hash ^= hi_hash_dword >> n; \
> +} while (0);

Don't need ; after while (0)


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