netdev - Re: [PATCH] sky2: Fix checksum endianness

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Message-Id: <20090626.092858.64239359.davem@davemloft.net>
Date:	Fri, 26 Jun 2009 09:28:58 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	avorontsov@...mvista.com
Cc:	shemminger@...tta.com, netdev@...r.kernel.org,
	linuxppc-dev@...abs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sky2: Fix checksum endianness

From: Anton Vorontsov <avorontsov@...mvista.com>
Date: Fri, 26 Jun 2009 18:51:59 +0400

> sky2 driver on PowerPC targets floods kernel log with following errors:
> 
>   eth1: hw csum failure.
>   Call Trace:
>   [ef84b8a0] [c00075e4] show_stack+0x50/0x160 (unreliable)
>   [ef84b8d0] [c02fa178] netdev_rx_csum_fault+0x3c/0x5c
>   [ef84b8f0] [c02f6920] __skb_checksum_complete_head+0x7c/0x84
>   [ef84b900] [c02f693c] __skb_checksum_complete+0x14/0x24
>   [ef84b910] [c0337e08] tcp_v4_rcv+0x4c8/0x6f8
>   [ef84b940] [c031a9c8] ip_local_deliver+0x98/0x210
>   [ef84b960] [c031a788] ip_rcv+0x38c/0x534
>   [ef84b990] [c0300338] netif_receive_skb+0x260/0x36c
>   [ef84b9c0] [c025de00] sky2_poll+0x5dc/0xcf8
>   [ef84ba20] [c02fb7fc] net_rx_action+0xc0/0x144
> 
> The NIC is Yukon-2 EC chip revision 1.
> 
> Converting checksum field from le16 to CPU byte order fixes the issue.
> 
> Signed-off-by: Anton Vorontsov <avorontsov@...mvista.com>

Applied, thank you!
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