cnic: Fix bnx2x ring shutdown.

Need to send a HALT command to the firmware to fully shutdown the bnx2x
rings.

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

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index 10c5cc356305..fb1cadb0e1f5 100644
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -4164,8 +4164,15 @@ static void cnic_shutdown_rings(struct cnic_dev *dev)
         } else if (test_bit(CNIC_F_BNX2X_CLASS, &dev->flags)) {
                 struct cnic_local *cp = dev->cnic_priv;
                 u32 cli = BNX2X_ISCSI_CL_ID(CNIC_E1HVN(cp));
+                union l5cm_specific_data l5_data;
 
                 cnic_ring_ctl(dev, BNX2X_ISCSI_L2_CID, cli, 0);
+
+                l5_data.phy_address.lo = cli;
+                l5_data.phy_address.hi = 0;
+                cnic_submit_kwqe_16(dev, RAMROD_CMD_ID_ETH_HALT,
+                        BNX2X_ISCSI_L2_CID, ETH_CONNECTION_TYPE, &l5_data);
+                msleep(10);
         }
 }