[dpdk-dev] [PATCH 3/6] net/bnxt: fix request for hot reset support

[Kalesh A P]

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

During the registration process, the drivers must publish
"HOT_RESET_SUPPORTED" capability to the core firmware only
if core firmware is capable of Hot Reset.

Fixes: df6cd7c1f73a ("net/bnxt: handle reset notify async event from FW")

Signed-off-by: Kalesh AP <kalesh-anakkur.purayil at broadcom.com>
Reviewed-by: Ajit Kumar Khaparde <ajit.khaparde at broadcom.com>
Reviewed-by: Somnath Kotur <somnath.kotur at broadcom.com>
---
 drivers/net/bnxt/bnxt.h      | 1 +
 drivers/net/bnxt/bnxt_hwrm.c | 8 +++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/net/bnxt/bnxt.h b/drivers/net/bnxt/bnxt.h
index e259c82..f9e4d76 100644
--- a/drivers/net/bnxt/bnxt.h
+++ b/drivers/net/bnxt/bnxt.h
@@ -517,6 +517,7 @@ struct bnxt {
 #define BNXT_FLAG_INIT_DONE			BIT(24)
 #define BNXT_FLAG_FW_CAP_ONE_STEP_TX_TS		BIT(25)
 #define BNXT_FLAG_ADV_FLOW_MGMT			BIT(26)
+#define BNXT_FLAG_FW_CAP_HOT_RESET		BIT(27)
 #define BNXT_PF(bp)		(!((bp)->flags & BNXT_FLAG_VF))
 #define BNXT_VF(bp)		((bp)->flags & BNXT_FLAG_VF)
 #define BNXT_NPAR(bp)		((bp)->port_partition_type)
diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index b1f908e..d30da9b 100644
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -672,6 +672,11 @@ static int __bnxt_hwrm_func_qcaps(struct bnxt *bp)
 	else
 		bp->flags &= ~BNXT_FLAG_FW_CAP_ERR_RECOVER_RELOAD;
 
+	if (flags & HWRM_FUNC_QCAPS_OUTPUT_FLAGS_HOT_RESET_CAPABLE)
+		bp->flags |= BNXT_FLAG_FW_CAP_HOT_RESET;
+	else
+		bp->flags &= ~BNXT_FLAG_FW_CAP_HOT_RESET;
+
 	HWRM_UNLOCK();
 
 	return rc;
@@ -756,7 +761,8 @@ int bnxt_hwrm_func_driver_register(struct bnxt *bp)
 	if (bp->flags & BNXT_FLAG_REGISTERED)
 		return 0;
 
-	flags = HWRM_FUNC_DRV_RGTR_INPUT_FLAGS_HOT_RESET_SUPPORT;
+	if (bp->flags & BNXT_FLAG_FW_CAP_HOT_RESET)
+		flags = HWRM_FUNC_DRV_RGTR_INPUT_FLAGS_HOT_RESET_SUPPORT;
 	if (bp->flags & BNXT_FLAG_FW_CAP_ERROR_RECOVERY)
 		flags |= HWRM_FUNC_DRV_RGTR_INPUT_FLAGS_ERROR_RECOVERY_SUPPORT;
 
-- 
2.10.1