[PATCH 2/2] Blackfin EMAC driver: fix bug - NAT doesn't work with bfin_mac driver

[Bryan Wu]

From: Vitja Makarov <vitja.makarov@xxxxxxxxx>

https://blackfin.uclinux.org/gf/project/uclinux-dist/forum/?action=ForumBrowse&forum_id=39&thread_id=23114&_forum_action=ForumMessageBrowse
Today I was dealing with the same problem, on my custom bf537 board, and bfin_mac driver.
I found that the problem is in setting ip_summed flag of skbuff structure,

Signed-off-by: Vitja Makarov <vitja.makarov@xxxxxxxxx>
Signed-off-by: Sonic Zhang <sonic.zhang@xxxxxxxxxx>
Signed-off-by: Bryan Wu <bryan.wu@xxxxxxxxxx>
---
 drivers/net/bfin_mac.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c
index 0b99b55..eb97175 100644
--- a/drivers/net/bfin_mac.c
+++ b/drivers/net/bfin_mac.c
@@ -676,7 +676,7 @@ static void bf537mac_rx(struct net_device *dev)
 	skb->protocol = eth_type_trans(skb, dev);
 #if defined(BFIN_MAC_CSUM_OFFLOAD)
 	skb->csum = current_rx_ptr->status.ip_payload_csum;
-	skb->ip_summed = CHECKSUM_PARTIAL;
+	skb->ip_summed = CHECKSUM_COMPLETE;
 #endif
 
 	netif_rx(skb);
-- 
1.5.3.4
-
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