[PATCH next] net/vmxnet3: add interrupt handling for reset

[Ronak Doshi]

vmxnet3 should call the reset callback when a queue is stopped
by the host. This patch also fixes a logging issue. Currently,
status of only first queue is checked and logged. But status
of all queues should be checked.

Signed-off-by: Ronak Doshi <dos...@vmware.com>
Acked-by: Jochen Behrens <jbehr...@vmware.com>
---
 drivers/net/vmxnet3/vmxnet3_ethdev.c | 27 ++++++++++++++++++++-------
 1 file changed, 20 insertions(+), 7 deletions(-)

diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.c 
b/drivers/net/vmxnet3/vmxnet3_ethdev.c
index 41073e9798..76e80e3025 100644
--- a/drivers/net/vmxnet3/vmxnet3_ethdev.c
+++ b/drivers/net/vmxnet3/vmxnet3_ethdev.c
@@ -1833,6 +1833,7 @@ vmxnet3_process_events(struct rte_eth_dev *dev)
 {
        struct vmxnet3_hw *hw = dev->data->dev_private;
        uint32_t events = hw->shared->ecr;
+       int i;
 
        if (!events)
                return;
@@ -1857,16 +1858,28 @@ vmxnet3_process_events(struct rte_eth_dev *dev)
                VMXNET3_WRITE_BAR1_REG(hw, VMXNET3_REG_CMD,
                                       VMXNET3_CMD_GET_QUEUE_STATUS);
 
-               if (hw->tqd_start->status.stopped)
-                       PMD_DRV_LOG(ERR, "tq error 0x%x",
-                                   hw->tqd_start->status.error);
+               PMD_DRV_LOG(ERR, "queue error event 0x%x for "
+                           RTE_ETHER_ADDR_PRT_FMT, events,
+                           hw->perm_addr[0], hw->perm_addr[1],
+                           hw->perm_addr[2], hw->perm_addr[3],
+                           hw->perm_addr[4], hw->perm_addr[5]);
 
-               if (hw->rqd_start->status.stopped)
-                       PMD_DRV_LOG(ERR, "rq error 0x%x",
-                                    hw->rqd_start->status.error);
+               for (i = 0; i < hw->num_tx_queues; i++) {
+                       if (hw->tqd_start[i].status.stopped)
+                               PMD_DRV_LOG(ERR, "tq %d error 0x%x",
+                                           i, hw->tqd_start[i].status.error);
+               }
+               for (i = 0; i < hw->num_rx_queues; i++) {
+                       if (hw->rqd_start[i].status.stopped)
+                               PMD_DRV_LOG(ERR, "rq %d error 0x%x",
+                                           i, hw->rqd_start[i].status.error);
+               }
 
-               /* Reset the device */
                /* Have to reset the device */
+               /* Notify the application so that it can reset the device */
+               rte_eth_dev_callback_process(dev,
+                                            RTE_ETH_EVENT_INTR_RESET,
+                                            NULL);
        }
 
        if (events & VMXNET3_ECR_DIC)
-- 
2.11.0