cnic: Send delete command when shutting down iSCSI ring.

This step is necessary on the bnx2x devices when restarting the iSCSI
ring.  Without it, the firmware can assert and cause bnx2x to report
errors.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index d4c6e7fcff53a1c1901a81263da4404c286ba9ce..a2c33289326a7fafceb4b249120ef868dc16c362 100644 (file)
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -4183,6 +4183,12 @@ static void cnic_shutdown_rings(struct cnic_dev *dev)
                cnic_submit_kwqe_16(dev, RAMROD_CMD_ID_ETH_HALT,
                        BNX2X_ISCSI_L2_CID, ETH_CONNECTION_TYPE, &l5_data);
                msleep(10);
+
+               memset(&l5_data, 0, sizeof(l5_data));
+               cnic_submit_kwqe_16(dev, RAMROD_CMD_ID_ETH_CFC_DEL,
+                       BNX2X_ISCSI_L2_CID, ETH_CONNECTION_TYPE |
+                       (1 << SPE_HDR_COMMON_RAMROD_SHIFT), &l5_data);
+               msleep(10);
        }
 }