From 56fbbb4e619f4bf604c350e3948a291bda759101 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Thu, 12 Feb 2009 18:17:42 +0000
Subject: [PATCH] igb: cleanup incorrect comment and set IP Checksum Enable

IP Checksum enable doesn't need packet split in order to function.  It only
requires the use of advanced descriptors which the current igb driver does.
So we can enable it always without any issues.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/igb/igb_main.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 86782f9218a7..c259013fe7b2 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -2059,17 +2059,11 @@ static void igb_configure_rx(struct igb_adapter *adapter)
 	} else {
 		/* Enable Receive Checksum Offload for TCP and UDP */
 		rxcsum = rd32(E1000_RXCSUM);
-		if (adapter->rx_csum) {
-			rxcsum |= E1000_RXCSUM_TUOFL;
+		if (adapter->rx_csum)
+			rxcsum |= E1000_RXCSUM_TUOFL | E1000_RXCSUM_IPPCSE;
+		else
+			rxcsum &= ~(E1000_RXCSUM_TUOFL | E1000_RXCSUM_IPPCSE);
 
-			/* Enable IPv4 payload checksum for UDP fragments
-			 * Must be used in conjunction with packet-split. */
-			if (adapter->rx_ps_hdr_size)
-				rxcsum |= E1000_RXCSUM_IPPCSE;
-		} else {
-			rxcsum &= ~E1000_RXCSUM_TUOFL;
-			/* don't need to clear IPPCSE as it defaults to 0 */
-		}
 		wr32(E1000_RXCSUM, rxcsum);
 	}
 
-- 
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