From: Somnath Kotur <somnath.kotur@broadcom.com>
Date: Mon, 27 Dec 2021 03:00:26 -0500
Subject: bnxt_en: Add event handler for PAUSE Storm event
Patch-mainline: v5.17-rc1
Git-commit: 5a717f4a8e00f563962b736961a12b6798c839a0
References: jsc#PED-1495

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@broadcom.com>
Reviewed-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Somnath Kotur <somnath.kotur@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt.c |    3 +++
 1 file changed, 3 insertions(+)

--- 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(stru
 		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;