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bnxt_en: Log if an invalid signal detected on TSIO pin

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FW can report to driver via ASYNC event if it encountered an
invalid signal on any TSIO PIN. Driver will log this event
for the user to take corrective action.

Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com>
Reviewed-by: Arvind Susarla <arvind.susarla@broadcom.com>
Reviewed-by: Edwin Peer <edwin.peer@broadcom.com>
Signed-off-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavan Chebbi 2021-07-28 14:11:45 -04:00 committed by David S. Miller
parent 099fdeda65
commit abf90ac2c2
2 changed files with 28 additions and 0 deletions
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18
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View File

@ -278,6 +278,7 @@ static const u16 bnxt_async_events_arr[] = {
ASYNC_EVENT_CMPL_EVENT_ID_RING_MONITOR_MSG,
ASYNC_EVENT_CMPL_EVENT_ID_ECHO_REQUEST,
ASYNC_EVENT_CMPL_EVENT_ID_PPS_TIMESTAMP,
ASYNC_EVENT_CMPL_EVENT_ID_ERROR_REPORT,
};
static struct workqueue_struct *bnxt_pf_wq;
@ -2043,6 +2044,19 @@ static u16 bnxt_agg_ring_id_to_grp_idx(struct bnxt *bp, u16 ring_id)
return INVALID_HW_RING_ID;
}
static void bnxt_event_error_report(struct bnxt *bp, u32 data1, u32 data2)
{
switch (BNXT_EVENT_ERROR_REPORT_TYPE(data1)) {
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));
break;
default:
netdev_err(bp->dev, "FW reported unknown error type\n");
break;
}
}
#define BNXT_GET_EVENT_PORT(data) \
((data) & \
ASYNC_EVENT_CMPL_PORT_CONN_NOT_ALLOWED_EVENT_DATA1_PORT_ID_MASK)
@ -2207,6 +2221,10 @@ static int bnxt_async_event_process(struct bnxt *bp,
bnxt_ptp_pps_event(bp, data1, data2);
goto async_event_process_exit;
}
case ASYNC_EVENT_CMPL_EVENT_ID_ERROR_REPORT: {
bnxt_event_error_report(bp, data1, data2);
goto async_event_process_exit;
}
default:
goto async_event_process_exit;
}

10
drivers/net/ethernet/broadcom/bnxt/bnxt.h
View File

@ -496,6 +496,16 @@ struct rx_tpa_end_cmp_ext {
!!((data1) & \
ASYNC_EVENT_CMPL_ERROR_RECOVERY_EVENT_DATA1_FLAGS_RECOVERY_ENABLED)
#define BNXT_EVENT_ERROR_REPORT_TYPE(data1) \
(((data1) & \
ASYNC_EVENT_CMPL_ERROR_REPORT_BASE_EVENT_DATA1_ERROR_TYPE_MASK) >>\
ASYNC_EVENT_CMPL_ERROR_REPORT_BASE_EVENT_DATA1_ERROR_TYPE_SFT)
#define BNXT_EVENT_INVALID_SIGNAL_DATA(data2) \
(((data2) & \
ASYNC_EVENT_CMPL_ERROR_REPORT_INVALID_SIGNAL_EVENT_DATA2_PIN_ID_MASK) >>\
ASYNC_EVENT_CMPL_ERROR_REPORT_INVALID_SIGNAL_EVENT_DATA2_PIN_ID_SFT)
struct nqe_cn {
__le16 type;
#define NQ_CN_TYPE_MASK 0x3fUL