netdev - [PATCH net-next 5/6] mlxsw: core: Expose MFDE.log

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Date:   Wed, 10 Mar 2021 13:02:19 +0200
From:   Ido Schimmel <idosch@...sch.org>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, jiri@...dia.com,
        danieller@...dia.com, amcohen@...dia.com, petrm@...dia.com,
        mlxsw@...dia.com, Ido Schimmel <idosch@...dia.com>
Subject: [PATCH net-next 5/6] mlxsw: core: Expose MFDE.log_ip to devlink health

From: Danielle Ratson <danieller@...dia.com>

Add the MFDE.log_ip field to devlink health reporter in order to ease
firmware debug. This field encodes the instruction pointer that triggered
the CR space timeout.

Signed-off-by: Danielle Ratson <danieller@...dia.com>
Reviewed-by: Jiri Pirko <jiri@...dia.com>
Signed-off-by: Ido Schimmel <idosch@...dia.com>
---
 drivers/net/ethernet/mellanox/mlxsw/core.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c
index 52fdc34251ba..c53461ac4e10 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/core.c
@@ -1806,6 +1806,10 @@ static int mlxsw_core_health_fw_fatal_dump(struct devlink_health_reporter *repor
 		err = devlink_fmsg_u8_pair_put(fmsg, "log_irisc_id", val);
 		if (err)
 			return err;
+		val = mlxsw_reg_mfde_log_ip_get(mfde_pl);
+		err = devlink_fmsg_u64_pair_put(fmsg, "log_ip", val);
+		if (err)
+			return err;
 	} else if (event_id == MLXSW_REG_MFDE_EVENT_ID_KVD_IM_STOP) {
 		val = mlxsw_reg_mfde_pipes_mask_get(mfde_pl);
 		err = devlink_fmsg_u32_pair_put(fmsg, "pipes_mask", val);
-- 
2.29.2