ibmvnic: Non-fatal error handling

Handle non-fatal error conditions. The process to do this when
resetting the driver is to just do __ibmvnic_close followed by
__ibmvnic_open.
Signed-off-by: John Allen <jallen@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/ibm/ibmvnic.c

@@ -1225,6 +1225,7 @@ static int do_reset(struct ibmvnic_adapter *adapter,
 	if (rc)
 		return rc;
 
+	if (adapter->reset_reason != VNIC_RESET_NON_FATAL) {
 		/* remove the closed state so when we call open it appears
 		 * we are coming from the probed state.
 		 */
@@ -1238,7 +1239,9 @@ static int do_reset(struct ibmvnic_adapter *adapter,
 		if (rc)
 			return 0;
 
-	/* If the adapter was in PROBE state prior to the reset, exit here. */
+		/* If the adapter was in PROBE state prior to the reset,
+		 * exit here.
+		 */
 		if (reset_state == VNIC_PROBED)
 			return 0;
 
@@ -1256,6 +1259,7 @@ static int do_reset(struct ibmvnic_adapter *adapter,
 
 		if (reset_state == VNIC_CLOSED)
 			return 0;
+	}
 
 	rc = __ibmvnic_open(netdev);
 	if (rc) {
@@ -2763,6 +2767,8 @@ static void handle_error_indication(union ibmvnic_crq *crq,
 
 	if (crq->error_indication.flags & IBMVNIC_FATAL_ERROR)
 		ibmvnic_reset(adapter, VNIC_RESET_FATAL);
+	else
+		ibmvnic_reset(adapter, VNIC_RESET_NON_FATAL);
 }
 
 static void handle_change_mac_rsp(union ibmvnic_crq *crq,

drivers/net/ethernet/ibm/ibmvnic.h

@@ -925,6 +925,7 @@ enum vnic_state {VNIC_PROBING = 1,
 enum ibmvnic_reset_reason {VNIC_RESET_FAILOVER = 1,
 			   VNIC_RESET_MOBILITY,
 			   VNIC_RESET_FATAL,
+			   VNIC_RESET_NON_FATAL,
 			   VNIC_RESET_TIMEOUT};
 
 struct ibmvnic_rwi {