[PATCH 11/11] fcoe: fcoe fc crc offload indication by skb->ip_summed

Yi Zou
2009-02-27T22:07:31Z

If LLD supports FCCRC offload, it should set ip_summed to be
CHECKSUM_UNNECESSARY so we don't have to do CRC check again.

Signed-off-by: Yi Zou <yi.zou@intel.com>
---

drivers/scsi/fcoe/libfcoe.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c
index 5dae823..0d6f5be 100644
--- a/drivers/scsi/fcoe/libfcoe.c
+++ b/drivers/scsi/fcoe/libfcoe.c
@@ -633,7 +633,7 @@ int fcoe_percpu_receive_thread(void *arg)
* it's solicited data, in which case, the FCP layer would
* check it during the copy.
*/
- if (lp->crc_offload)
+ if (lp->crc_offload && skb->ip_summed == CHECKSUM_UNNECESSARY)
fr_flags(fp) &= ~FCPHF_CRC_UNCHECKED;
else
fr_flags(fp) |= FCPHF_CRC_UNCHECKED;