[dpdk-dev] [PATCH v6 2/3] net/bnxt: notify applications about device reset/recovery

[Kalesh A P]

From: Kalesh AP <kalesh-anakkur.purayil at broadcom.com>

When the driver receives RESET_NOTIFY async event from FW or detected
an error condition, it should update the application that FW is going
to reset. Once the driver recoveres from the reset, update the reset
recovery status to application as well.

The recovery process is transparent to the application as the driver
itself tries to recover from FW reset or FW error conditions.

Signed-off-by: Kalesh AP <kalesh-anakkur.purayil at broadcom.com>
Signed-off-by: Ajit Khaparde <ajit.khaparde at broadcom.com>
Signed-off-by: Somnath Kotur <somnath.kotur at broadcom.com>
---
 drivers/net/bnxt/bnxt_cpr.c    | 3 +++
 drivers/net/bnxt/bnxt_ethdev.c | 9 +++++++++
 2 files changed, 12 insertions(+)

diff --git a/drivers/net/bnxt/bnxt_cpr.c b/drivers/net/bnxt/bnxt_cpr.c
index 8311e26..987c010 100644
--- a/drivers/net/bnxt/bnxt_cpr.c
+++ b/drivers/net/bnxt/bnxt_cpr.c
@@ -129,6 +129,9 @@ void bnxt_handle_async_event(struct bnxt *bp,
 			bp->flags |= BNXT_FLAG_FATAL_ERROR;
 			return;
 		}
+		rte_eth_dev_callback_process(bp->eth_dev,
+					     RTE_ETH_EVENT_ERR_RECOVERING,
+					     NULL);
 
 		event_data = rte_le_to_cpu_32(async_cmp->event_data1);
 		/* timestamp_lo/hi values are in units of 100ms */
diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
index b99c712..e3798de 100644
--- a/drivers/net/bnxt/bnxt_ethdev.c
+++ b/drivers/net/bnxt/bnxt_ethdev.c
@@ -4566,6 +4566,9 @@ static void bnxt_dev_recover(void *arg)
 		goto err_start;
 
 	PMD_DRV_LOG(INFO, "Recovered from FW reset\n");
+	rte_eth_dev_callback_process(bp->eth_dev,
+				     RTE_ETH_EVENT_RECOVERED,
+				     NULL);
 	return;
 err_start:
 	bnxt_dev_stop_op(bp->eth_dev);
@@ -4573,6 +4576,9 @@ static void bnxt_dev_recover(void *arg)
 	bp->flags |= BNXT_FLAG_FATAL_ERROR;
 	bnxt_uninit_resources(bp, false);
 	PMD_DRV_LOG(ERR, "Failed to recover from FW reset\n");
+	rte_eth_dev_callback_process(bp->eth_dev,
+				     RTE_ETH_EVENT_INTR_RMV,
+				     NULL);
 }
 
 void bnxt_dev_reset_and_resume(void *arg)
@@ -4708,6 +4714,9 @@ static void bnxt_check_fw_health(void *arg)
 	bp->flags |= BNXT_FLAG_FW_RESET;
 
 	PMD_DRV_LOG(ERR, "Detected FW dead condition\n");
+	rte_eth_dev_callback_process(bp->eth_dev,
+				     RTE_ETH_EVENT_ERR_RECOVERING,
+				     NULL);
 
 	if (bnxt_is_master_func(bp))
 		wait_msec = info->master_func_wait_period;
-- 
2.10.1