netdev - [PATCH net-next 1/7] bnxt_en: Add event handler for PAUSE Storm event

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Date:   Mon, 27 Dec 2021 03:00:26 -0500
From:   Michael Chan <michael.chan@...adcom.com>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, kuba@...nel.org, gospo@...adcom.com,
        Somnath Kotur <somnath.kotur@...adcom.com>
Subject: [PATCH net-next 1/7] bnxt_en: Add event handler for PAUSE Storm event

From: Somnath Kotur <somnath.kotur@...adcom.com>

FW has been modified to send a new async event when it detects
a pause storm. Register for this new event and log it upon receipt.

Reviewed-by: Andy Gospodarek <gospo@...adcom.com>
Reviewed-by: Edwin Peer <edwin.peer@...adcom.com>
Signed-off-by: Somnath Kotur <somnath.kotur@...adcom.com>
Signed-off-by: Michael Chan <michael.chan@...adcom.com>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index c057b1df86a9..11255131abbc 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -2049,6 +2049,9 @@ static void bnxt_event_error_report(struct bnxt *bp, u32 data1, u32 data2)
 		netdev_err(bp->dev, "1PPS: Received invalid signal on pin%lu from the external source. Please fix the signal and reconfigure the pin\n",
 			   BNXT_EVENT_INVALID_SIGNAL_DATA(data2));
 		break;
+	case ASYNC_EVENT_CMPL_ERROR_REPORT_BASE_EVENT_DATA1_ERROR_TYPE_PAUSE_STORM:
+		netdev_warn(bp->dev, "Pause Storm detected!\n");
+		break;
 	default:
 		netdev_err(bp->dev, "FW reported unknown error type\n");
 		break;
-- 
2.18.1


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