netdev - [PATCH 1/2] cnic: Send delete command when shutting down iSCSI ring.

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Date:	Thu, 10 Dec 2009 17:40:57 -0800
From:	"Michael Chan" <mchan@...adcom.com>
To:	davem@...emloft.net
cc:	netdev@...r.kernel.org
Subject: [PATCH 1/2] 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@...adcom.com>
---
 drivers/net/cnic.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index d4c6e7f..a2c3328 100644
--- 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);
 	}
 }
 
-- 
1.6.4.GIT


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