mlxsw: core: Trace EMAD messages

[cascardo/linux.git] / drivers / net / ethernet / mellanox / mlxsw / core.c

diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c
index b0a0b01..480a3ba 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlxsw/core.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/core.c
@@ -58,6 +58,7 @@
 #include <linux/workqueue.h>
 #include <asm/byteorder.h>
 #include <net/devlink.h>
+#include <trace/events/devlink.h>
 
 #include "core.h"
 #include "item.h"
@@ -447,6 +448,10 @@ static int mlxsw_emad_transmit(struct mlxsw_core *mlxsw_core,
        if (!skb)
                return -ENOMEM;
 
+       trace_devlink_hwmsg(priv_to_devlink(mlxsw_core), false, 0,
+                           skb->data + mlxsw_core->driver->txhdr_len,
+                           skb->len - mlxsw_core->driver->txhdr_len);
+
        atomic_set(&trans->active, 1);
        err = mlxsw_core_skb_transmit(mlxsw_core, skb, &trans->tx_info);
        if (err) {
@@ -529,6 +534,9 @@ static void mlxsw_emad_rx_listener_func(struct sk_buff *skb, u8 local_port,
        struct mlxsw_core *mlxsw_core = priv;
        struct mlxsw_reg_trans *trans;
 
+       trace_devlink_hwmsg(priv_to_devlink(mlxsw_core), true, 0,
+                           skb->data, skb->len);
+
        if (!mlxsw_emad_is_resp(skb))
                goto free_skb;
 
@@ -1110,14 +1118,14 @@ int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info,
        if (err)
                goto err_emad_init;
 
-       err = mlxsw_hwmon_init(mlxsw_core, mlxsw_bus_info, &mlxsw_core->hwmon);
-       if (err)
-               goto err_hwmon_init;
-
        err = devlink_register(devlink, mlxsw_bus_info->dev);
        if (err)
                goto err_devlink_register;
 
+       err = mlxsw_hwmon_init(mlxsw_core, mlxsw_bus_info, &mlxsw_core->hwmon);
+       if (err)
+               goto err_hwmon_init;
+
        err = mlxsw_driver->init(mlxsw_core, mlxsw_bus_info);
        if (err)
                goto err_driver_init;
@@ -1131,9 +1139,9 @@ int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info,
 err_debugfs_init:
        mlxsw_core->driver->fini(mlxsw_core);
 err_driver_init:
+err_hwmon_init:
        devlink_unregister(devlink);
 err_devlink_register:
-err_hwmon_init:
        mlxsw_emad_fini(mlxsw_core);
 err_emad_init:
        mlxsw_bus->fini(bus_priv);
@@ -1736,7 +1744,7 @@ static int __init mlxsw_core_module_init(void)
 {
        int err;
 
-       mlxsw_wq = create_workqueue(mlxsw_core_driver_name);
+       mlxsw_wq = alloc_workqueue(mlxsw_core_driver_name, WQ_MEM_RECLAIM, 0);
        if (!mlxsw_wq)
                return -ENOMEM;
        mlxsw_core_dbg_root = debugfs_create_dir(mlxsw_core_driver_name, NULL);