netdev - Re: [RFC 01/01]af_packet: Enhance network capture visibility

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Message-ID: <4DDD8C5E.7040207@candelatech.com>
Date:	Wed, 25 May 2011 16:10:22 -0700
From:	Ben Greear <greearb@...delatech.com>
To:	chetan loke <loke.chetan@...il.com>
CC:	netdev@...r.kernel.org
Subject: Re: [RFC 01/01]af_packet: Enhance network capture visibility

On 05/25/2011 04:03 PM, chetan loke wrote:
> This patch is not complete and is intended to:
> a) demonstrate the improvments
> b) gather suggestions
>
>
> Signed-off-by: Chetan Loke<lokec@....neu.edu>

> +struct tpacket3_hdr {
> +	__u32		tp_status;
> +	__u32		tp_len;
> +	__u32		tp_snaplen;
> +	__u16		tp_mac;
> +	__u16		tp_net;
> +	__u32		tp_sec;
> +	__u32		tp_nsec;
> +	__u16		tp_vlan_tci;
> +	long		tp_next_offset;
> +};

Use fixed-size variables, like __u64 instead of 'long'.  That way,
you have the same sized msgs on 32 and 64-bit systems.

I didn't look at the rest of it in any detail, so no comment there.

Thanks,
Ben


-- 
Ben Greear <greearb@...delatech.com>
Candela Technologies Inc  http://www.candelatech.com

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