netdev - Re: [PATCH v2] net: add mac_pton() for parsing MAC address

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Date:	Mon, 09 May 2011 12:11:07 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	adobriyan@...il.com
Cc:	netdev@...r.kernel.org, shemminger@...tta.com
Subject: Re: [PATCH v2] net: add mac_pton() for parsing MAC address

From: Alexey Dobriyan <adobriyan@...il.com>
Date: Sun, 8 May 2011 12:00:07 +0300

> mac_pton() parses MAC address in form XX:XX:XX:XX:XX:XX and only in that form.
> 
> mac_pton() doesn't dirty result until it's sure string representation is valid.
> 
> mac_pton() doesn't care about characters _after_ last octet,
> it's up to caller to deal with it.
> 
> mac_pton() diverges from 0/-E return value convention.
> Target usage:
> 
> 	if (!mac_pton(str, whatever->mac))
> 		return -EINVAL;
> 	/* ->mac being u8 [ETH_ALEN] is filled at this point. */
> 	/* optionally check str[3 * ETH_ALEN - 1] for termination */
> 
> Use mac_pton() in pktgen and netconsole for start.
> 
> Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>

Applied.
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