bnxt_en: log firmware debug notifications

Firmware is capable of generating asynchronous debug notifications.
The event data is opaque to the driver and is simply logged. Debug
notifications can be enabled by turning on hardware status messages
using the ethtool msglvl interface.

Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index c06c5f81f08750eb40a012753fe9bb86923726f9..c8c25f7644aef5ac91c3245ef754933597d9ed00 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -255,6 +255,7 @@ static const u16 bnxt_async_events_arr[] = {
        ASYNC_EVENT_CMPL_EVENT_ID_PORT_PHY_CFG_CHANGE,
        ASYNC_EVENT_CMPL_EVENT_ID_RESET_NOTIFY,
        ASYNC_EVENT_CMPL_EVENT_ID_ERROR_RECOVERY,
+       ASYNC_EVENT_CMPL_EVENT_ID_DEBUG_NOTIFICATION,
        ASYNC_EVENT_CMPL_EVENT_ID_RING_MONITOR_MSG,
 };
 
@@ -2072,6 +2073,13 @@ static int bnxt_async_event_process(struct bnxt *bp,
                        bnxt_fw_health_readl(bp, BNXT_FW_RESET_CNT_REG);
                goto async_event_process_exit;
        }
+       case ASYNC_EVENT_CMPL_EVENT_ID_DEBUG_NOTIFICATION:
+               if (netif_msg_hw(bp)) {
+                       netdev_notice(bp->dev,
+                                     "Received firmware debug notification, data1: 0x%x, data2: 0x%x\n",
+                                     data1, data2);
+               }
+               goto async_event_process_exit;
        case ASYNC_EVENT_CMPL_EVENT_ID_RING_MONITOR_MSG: {
                struct bnxt_rx_ring_info *rxr;
                u16 grp_idx;