From: Michael Chan <michael.chan@broadcom.com>
Date: Mon, 27 Dec 2021 03:00:27 -0500
Subject: bnxt_en: Log error report for dropped doorbell
Patch-mainline: v5.17-rc1
Git-commit: 0fb8582ae5b9bf0dc5a4fededabe7db16a8b430a
References: jsc#PED-1495

Log the unrecognized error report type value as well.

Reviewed-by: Andy Gospodarek <gospo@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 |   10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -2044,7 +2044,9 @@ static u16 bnxt_agg_ring_id_to_grp_idx(s
 
 static void bnxt_event_error_report(struct bnxt *bp, u32 data1, u32 data2)
 {
-	switch (BNXT_EVENT_ERROR_REPORT_TYPE(data1)) {
+	u32 err_type = BNXT_EVENT_ERROR_REPORT_TYPE(data1);
+
+	switch (err_type) {
 	case ASYNC_EVENT_CMPL_ERROR_REPORT_BASE_EVENT_DATA1_ERROR_TYPE_INVALID_SIGNAL:
 		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));
@@ -2052,8 +2054,12 @@ static void bnxt_event_error_report(stru
 	case ASYNC_EVENT_CMPL_ERROR_REPORT_BASE_EVENT_DATA1_ERROR_TYPE_PAUSE_STORM:
 		netdev_warn(bp->dev, "Pause Storm detected!\n");
 		break;
+	case ASYNC_EVENT_CMPL_ERROR_REPORT_BASE_EVENT_DATA1_ERROR_TYPE_DOORBELL_DROP_THRESHOLD:
+		netdev_warn(bp->dev, "One or more MMIO doorbells dropped by the device!\n");
+		break;
 	default:
-		netdev_err(bp->dev, "FW reported unknown error type\n");
+		netdev_err(bp->dev, "FW reported unknown error type %u\n",
+			   err_type);
 		break;
 	}
 }