Thread (9 messages) 9 messages, 2 authors, 2021-12-27

[PATCH net-next 2/7] bnxt_en: Log error report for dropped doorbell

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From: Michael Chan <michael.chan@broadcom.com>
Date: 2021-12-27 08:00:57
Subsystem: broadcom bnxt_en 50 gigabit ethernet driver, networking drivers, the rest · Maintainers: Michael Chan, Pavan Chebbi, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

Revision v1 of 14 in this series; 1 review trailer.

Revisions (14)
  1. v1
  2. v1 current
  3. v1
  4. v2 [diff vs current]
  5. v1
  6. v2 [diff vs current]
  7. v1
  8. v1
  9. v1
  10. v2 [diff vs current]
  11. v3 [diff vs current]
  12. v4 [diff vs current]
  13. v1
  14. v2 [diff vs current]
Log the unrecognized error report type value as well.

Reviewed-by: Andy Gospodarek <redacted>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 11255131abbc..53101d00768c 100644
--- 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(struct bnxt *bp, u16 ring_id)
 
 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(struct bnxt *bp, u32 data1, u32 data2)
 	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;
 	}
 }
-- 
2.18.1

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