netdev - Re: [PATCH net-next V1 4/4] net/mlx4_en: Add accelerated RFS support

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Message-ID: <500835A9.6080404@mellanox.com>
Date:	Thu, 19 Jul 2012 19:28:25 +0300
From:	Or Gerlitz <ogerlitz@...lanox.com>
To:	Ben Hutchings <bhutchings@...arflare.com>
CC:	<davem@...emloft.net>, <roland@...nel.org>,
	<netdev@...r.kernel.org>, <oren@...lanox.com>,
	<yevgenyp@...lanox.com>, Amir Vadai <amirv@...lanox.com>
Subject: Re: [PATCH net-next V1 4/4] net/mlx4_en: Add accelerated RFS support

On 7/19/2012 5:09 PM, Ben Hutchings wrote:
>> @@ -77,6 +77,12 @@ int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq,
>> >  	struct mlx4_en_dev *mdev = priv->mdev;
>> >  	int err = 0;
>> >  	char name[25];
>> >+	struct cpu_rmap *rmap =
>> >+#ifdef CONFIG_RFS_ACCEL
>> >+		priv->dev->rx_cpu_rmap;
>> >+#else
>> >+		NULL;
>> >+#endif
> You can write this slightly more cleanly using IS_ENABLED().
>
> [...]
>> >+static struct mlx4_en_filter *
>> >+mlx4_en_filter_alloc(struct mlx4_en_priv *priv, int rxq_index, __be32 src_ip,
>> >+                    __be32 dst_ip, __be16 src_port, __be16 dst_port,
>> >+                    u32 flow_id)
>> >+{
> [...]
>> >+       filter->id = priv->last_filter_id++;
> [...]
>
> You need to limit the filter IDs to be < RPS_NO_FILTER.


OK, thanks, we will send fixes for these two comments.

Or.

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