[PATCH net-next 6/6] bnxt_en: Log if an invalid signal detected on TSIO pin
From: Michael Chan <michael.chan@broadcom.com>
Date: 2021-07-28 18:12:14
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
From: Pavan Chebbi <pavan.chebbi@broadcom.com> 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 <redacted> Reviewed-by: Arvind Susarla <redacted> Reviewed-by: Edwin Peer <redacted> Signed-off-by: Pavan Chebbi <pavan.chebbi@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> --- drivers/net/ethernet/broadcom/bnxt/bnxt.c | 18 ++++++++++++++++++ drivers/net/ethernet/broadcom/bnxt/bnxt.h | 10 ++++++++++ 2 files changed, 28 insertions(+)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index f3b606bccfb0..4fe87c214c77 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c@@ -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; }
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index aa733f1b235a..e379c48c1df9 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h@@ -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
--
2.18.1
Attachments
- smime.p7s [application/pkcs7-signature] 4209 bytes