linux-kernel - [ 103/108] aoe: assert AoE packets marked as requiring no checksum

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Message-Id: <20121007225848.966777214@decadent.org.uk>
Date:	Mon, 08 Oct 2012 00:00:17 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Ed Cashin <ecashin@...aid.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: [ 103/108] aoe: assert AoE packets marked as requiring no  checksum

3.2-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ed Cashin <ecashin@...aid.com>

[ Upstream commit 8babe8cc6570ed896b7b596337eb8fe730c3ff45 ]

In order for the network layer to see that AoE requires
no checksumming in a generic way, the packets must be
marked as requiring no checksum, so we make this requirement
explicit with the assertion.

Signed-off-by: Ed Cashin <ecashin@...aid.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/block/aoe/aoecmd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index de0435e..887f68f 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -35,6 +35,7 @@ new_skb(ulong len)
 		skb_reset_mac_header(skb);
 		skb_reset_network_header(skb);
 		skb->protocol = __constant_htons(ETH_P_AOE);
+		skb_checksum_none_assert(skb);
 	}
 	return skb;
 }


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