[PATCH net-next 1/2] ibmvnic: print reset reason as a string

[Lijun Pan]

The reset reason can be added or deleted over different versions
of the source code. Print a string instead of a number.

Signed-off-by: Lijun Pan <lijunp...@gmail.com>
---
 drivers/net/ethernet/ibm/ibmvnic.c | 35 ++++++++++++++++++++++++------
 1 file changed, 28 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/ibm/ibmvnic.c 
b/drivers/net/ethernet/ibm/ibmvnic.c
index 473411542911..5c89dd7fa3de 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -1911,6 +1911,26 @@ static int ibmvnic_set_mac(struct net_device *netdev, 
void *p)
        return rc;
 }
 
+static const char *reset_reason_to_string(enum ibmvnic_reset_reason reason)
+{
+       switch (reason) {
+       case VNIC_RESET_FAILOVER:
+               return "FAILOVER";
+       case VNIC_RESET_MOBILITY:
+               return "MOBILITY";
+       case VNIC_RESET_FATAL:
+               return "FATAL";
+       case VNIC_RESET_NON_FATAL:
+               return "NON_FATAL";
+       case VNIC_RESET_TIMEOUT:
+               return "TIMEOUT";
+       case VNIC_RESET_CHANGE_PARAM:
+               return "CHANGE_PARAM";
+       default:
+               return "UNKNOWN";
+       }
+}
+
 /*
  * do_reset returns zero if we are able to keep processing reset events, or
  * non-zero if we hit a fatal error and must halt.
@@ -1924,9 +1944,9 @@ static int do_reset(struct ibmvnic_adapter *adapter,
        int i, rc;
 
        netdev_dbg(adapter->netdev,
-                  "[S:%d FOP:%d] Reset reason %d, reset_state %d\n",
+                  "[S:%d FOP:%d] Reset reason: %s, reset_state %d\n",
                   adapter->state, adapter->failover_pending,
-                  rwi->reset_reason, reset_state);
+                  reset_reason_to_string(rwi->reset_reason), reset_state);
 
        adapter->reset_reason = rwi->reset_reason;
        /* requestor of VNIC_RESET_CHANGE_PARAM already has the rtnl lock */
@@ -2139,8 +2159,8 @@ static int do_hard_reset(struct ibmvnic_adapter *adapter,
        struct net_device *netdev = adapter->netdev;
        int rc;
 
-       netdev_dbg(adapter->netdev, "Hard resetting driver (%d)\n",
-                  rwi->reset_reason);
+       netdev_dbg(adapter->netdev, "Hard resetting driver (%s)\n",
+                  reset_reason_to_string(rwi->reset_reason));
 
        /* read the state and check (again) after getting rtnl */
        reset_state = adapter->state;
@@ -2363,8 +2383,8 @@ static int ibmvnic_reset(struct ibmvnic_adapter *adapter,
        list_for_each(entry, &adapter->rwi_list) {
                tmp = list_entry(entry, struct ibmvnic_rwi, list);
                if (tmp->reset_reason == reason) {
-                       netdev_dbg(netdev, "Skipping matching reset, 
reason=%d\n",
-                                  reason);
+                       netdev_dbg(netdev, "Skipping matching reset, 
reason=%s\n",
+                                  reset_reason_to_string(reason));
                        ret = EBUSY;
                        goto err;
                }
@@ -2384,7 +2404,8 @@ static int ibmvnic_reset(struct ibmvnic_adapter *adapter,
        }
        rwi->reset_reason = reason;
        list_add_tail(&rwi->list, &adapter->rwi_list);
-       netdev_dbg(adapter->netdev, "Scheduling reset (reason %d)\n", reason);
+       netdev_dbg(adapter->netdev, "Scheduling reset (reason %s)\n",
+                  reset_reason_to_string(reason));
        schedule_work(&adapter->ibmvnic_reset);
 
        ret = 0;
-- 
2.23.0