netdev - [PATCH net-next 2/2] mlxsw: core: Trace EMAD errors

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Date:   Mon, 4 Feb 2019 18:47:46 +0000
From:   Ido Schimmel <idosch@...lanox.com>
To:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        Jiri Pirko <jiri@...lanox.com>, Nir Dotan <nird@...lanox.com>,
        mlxsw <mlxsw@...lanox.com>, Ido Schimmel <idosch@...lanox.com>
Subject: [PATCH net-next 2/2] mlxsw: core: Trace EMAD errors

From: Nir Dotan <nird@...lanox.com>

Trace EMAD errors returned from HW.

Signed-off-by: Nir Dotan <nird@...lanox.com>
Acked-by: Jiri Pirko <jiri@...lanox.com>
Signed-off-by: Ido Schimmel <idosch@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlxsw/core.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c
index ddedf8ab5b64..4f6fa515394e 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/core.c
@@ -1460,13 +1460,17 @@ static int mlxsw_reg_trans_wait(struct mlxsw_reg_trans *trans)
 	if (trans->retries)
 		dev_warn(mlxsw_core->bus_info->dev, "EMAD retries (%d/%d) (tid=%llx)\n",
 			 trans->retries, MLXSW_EMAD_MAX_RETRY, trans->tid);
-	if (err)
+	if (err) {
 		dev_err(mlxsw_core->bus_info->dev, "EMAD reg access failed (tid=%llx,reg_id=%x(%s),type=%s,status=%x(%s))\n",
 			trans->tid, trans->reg->id,
 			mlxsw_reg_id_str(trans->reg->id),
 			mlxsw_core_reg_access_type_str(trans->type),
 			trans->emad_status,
 			mlxsw_emad_op_tlv_status_str(trans->emad_status));
+		trace_devlink_hwerr(priv_to_devlink(mlxsw_core),
+				    trans->emad_status,
+				    mlxsw_emad_op_tlv_status_str(trans->emad_status));
+	}
 
 	list_del(&trans->bulk_list);
 	kfree_rcu(trans, rcu);
-- 
2.20.1