cnic: set error flag when iSCSI connection fails

to speed up error recovery due to SPQ failures.  The error flag will
expedite the recovery process by skipping the timeouts.

(cherry picked from commit 0cb1f4b96092b9d91d4e50d5c77b424745cd1102)
Signed-off-by: Jeffrey Huang <huangjw@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Joe Jin <joe.jin@oracle.com>

diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index bdeca71ede782c3b1c6ff32a95870af282cd247c..107d60c643c0e1842c7542db46de13a31dd68f01 100644 (file)
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -3882,6 +3882,8 @@ static void cnic_cm_process_kcqe(struct cnic_dev *dev, struct kcqe *kcqe)
        case L4_KCQE_OPCODE_VALUE_CONNECT_COMPLETE:
                if (l4kcqe->status == 0)
                        set_bit(SK_F_OFFLD_COMPLETE, &csk->flags);
+               else if (l4kcqe->status == L4_KCQE_COMPLETION_STATUS_NIC_ERROR)
+                       set_bit(SK_F_HW_ERR, &csk->flags);
 
                smp_mb__before_clear_bit();
                clear_bit(SK_F_OFFLD_SCHED, &csk->flags);