netdev - Re: [net-next PATCH 2/2] be2net: workaround to fix a BE bug

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Date:	Thu, 08 Dec 2011 00:00:44 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	ajit.khaparde@...lex.Com
Cc:	netdev@...r.kernel.org
Subject: Re: [net-next PATCH 2/2] be2net: workaround to fix a BE bug

From: Ajit Khaparde <ajit.khaparde@...lex.Com>
Date: Wed, 7 Dec 2011 17:44:24 -0600

> For vlan tagged pkts, BE
> 1) calculates checksum even when CSO is not requested
> 2) calculates checksum wrongly for padded pkt less than 60 bytes long.
> As a workaround disable TX vlan offloading in such cases.
 ...
> +	/* For vlan tagged pkts, BE
> +	 * 1) calculates checksum even when CSO is not requested
> +	 * 2) calculates checksum wrongly for padded pkt less than
> +	 * 60 bytes long.
> +	 * As a workaround disable TX vlan offloading in such cases.
> +	 */

This description either belongs in the commit message, or this
comment, but not both.

> +	if (unlikely(vlan_tx_tag_present(skb) &&
> +		(skb->ip_summed != CHECKSUM_PARTIAL || skb->len <= 60))) {

Poorly formatted, the second line openning first non-space character
needs to line up precisely after the first column after the if() statements
openning parenthesis.

If you cannot do this yourself by hand, use something like emacs's
C-mode to do it automatically for you when you hit TAB on that
second line.
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