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[03/15] fcoe: Use CHECKSUM_PARTIAL to indicate CRC offload

Message ID 1447962961-2106059-4-git-send-email-tom@herbertland.com
State RFC, archived
Delegated to: David Miller
Headers show

Commit Message

Tom Herbert Nov. 19, 2015, 7:55 p.m. UTC
When setting up CRC offload set ip_summed to CHECKSUM_PARTIAL
instead of CHECKSUM_UNNECESSARY. This is consistent with the
definition of CHECKSUM_PARTIAL.

The only driver that seems to be advertising NETIF_F_FCOE_CRC is
ixgbe. AFICT the driver does not look at ip_summed for FCOE and
just assumes that CRC is being offloaded.

Signed-off-by: Tom Herbert <tom@herbertland.com>
---
 drivers/scsi/fcoe/fcoe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index f442406..0efe711 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -1625,7 +1625,7 @@  static int fcoe_xmit(struct fc_lport *lport, struct fc_frame *fp)
 
 	/* crc offload */
 	if (likely(lport->crc_offload)) {
-		skb->ip_summed = CHECKSUM_UNNECESSARY;
+		skb->ip_summed = CHECKSUM_PARTIAL;
 		skb->csum_start = skb_headroom(skb);
 		skb->csum_offset = skb->len;
 		crc = 0;