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mlxsw: Implement devlink interface

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Implement newly introduced devlink interface. Add devlink port instances
for every port and set the port types accordingly.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2016-02-26 17:32:26 +01:00 committed by David S. Miller
parent b2facd95ab
commit c4745500e9
4 changed files with 58 additions and 6 deletions
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23
drivers/net/ethernet/mellanox/mlxsw/core.c
View File

@ -56,6 +56,7 @@
#include <linux/rcupdate.h>
#include <linux/slab.h>
#include <asm/byteorder.h>
#include <net/devlink.h>
#include "core.h"
#include "item.h"
@ -791,6 +792,7 @@ int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info,
const char *device_kind = mlxsw_bus_info->device_kind;
struct mlxsw_core *mlxsw_core;
struct mlxsw_driver *mlxsw_driver;
struct devlink *devlink;
size_t alloc_size;
int err;
@ -798,12 +800,13 @@ int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info,
if (!mlxsw_driver)
return -EINVAL;
alloc_size = sizeof(*mlxsw_core) + mlxsw_driver->priv_size;
mlxsw_core = kzalloc(alloc_size, GFP_KERNEL);
if (!mlxsw_core) {
devlink = devlink_alloc(NULL, alloc_size);
if (!devlink) {
err = -ENOMEM;
goto err_core_alloc;
goto err_devlink_alloc;
}
mlxsw_core = devlink_priv(devlink);
INIT_LIST_HEAD(&mlxsw_core->rx_listener_list);
INIT_LIST_HEAD(&mlxsw_core->event_listener_list);
mlxsw_core->driver = mlxsw_driver;
@ -841,6 +844,10 @@ int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info,
if (err)
goto err_hwmon_init;
err = devlink_register(devlink, mlxsw_bus_info->dev);
if (err)
goto err_devlink_register;
err = mlxsw_driver->init(mlxsw_core->driver_priv, mlxsw_core,
mlxsw_bus_info);
if (err)
@ -855,6 +862,8 @@ int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info,
err_debugfs_init:
mlxsw_core->driver->fini(mlxsw_core->driver_priv);
err_driver_init:
devlink_unregister(devlink);
err_devlink_register:
err_hwmon_init:
mlxsw_emad_fini(mlxsw_core);
err_emad_init:
@ -864,8 +873,8 @@ int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info,
err_alloc_lag_mapping:
free_percpu(mlxsw_core->pcpu_stats);
err_alloc_stats:
kfree(mlxsw_core);
err_core_alloc:
devlink_free(devlink);
err_devlink_alloc:
mlxsw_core_driver_put(device_kind);
return err;
}
@ -874,14 +883,16 @@ EXPORT_SYMBOL(mlxsw_core_bus_device_register);
void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core)
{
const char *device_kind = mlxsw_core->bus_info->device_kind;
struct devlink *devlink = priv_to_devlink(mlxsw_core);
mlxsw_core_debugfs_fini(mlxsw_core);
mlxsw_core->driver->fini(mlxsw_core->driver_priv);
devlink_unregister(devlink);
mlxsw_emad_fini(mlxsw_core);
mlxsw_core->bus->fini(mlxsw_core->bus_priv);
kfree(mlxsw_core->lag.mapping);
free_percpu(mlxsw_core->pcpu_stats);
kfree(mlxsw_core);
devlink_free(devlink);
mlxsw_core_driver_put(device_kind);
}
EXPORT_SYMBOL(mlxsw_core_bus_device_unregister);

19
drivers/net/ethernet/mellanox/mlxsw/spectrum.c
View File

@ -49,6 +49,7 @@
#include <linux/jiffies.h>
#include <linux/bitops.h>
#include <linux/list.h>
#include <net/devlink.h>
#include <net/switchdev.h>
#include <generated/utsrelease.h>
@ -1351,7 +1352,9 @@ static const struct ethtool_ops mlxsw_sp_port_ethtool_ops = {
static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port)
{
struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
struct mlxsw_sp_port *mlxsw_sp_port;
struct devlink_port *devlink_port;
struct net_device *dev;
bool usable;
size_t bytes;
@ -1417,6 +1420,14 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port)
goto port_not_usable;
}
devlink_port = &mlxsw_sp_port->devlink_port;
err = devlink_port_register(devlink, devlink_port, local_port);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to register devlink port\n",
mlxsw_sp_port->local_port);
goto err_devlink_port_register;
}
err = mlxsw_sp_port_system_port_mapping_set(mlxsw_sp_port);
if (err) {
dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set system port mapping\n",
@ -1457,6 +1468,8 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port)
goto err_register_netdev;
}
devlink_port_type_eth_set(devlink_port, dev);
err = mlxsw_sp_port_vlan_init(mlxsw_sp_port);
if (err)
goto err_port_vlan_init;
@ -1472,6 +1485,8 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port)
err_port_mtu_set:
err_port_swid_set:
err_port_system_port_mapping_set:
devlink_port_unregister(&mlxsw_sp_port->devlink_port);
err_devlink_port_register:
port_not_usable:
err_port_module_check:
err_dev_addr_init:
@ -1505,10 +1520,14 @@ static void mlxsw_sp_port_vports_fini(struct mlxsw_sp_port *mlxsw_sp_port)
static void mlxsw_sp_port_remove(struct mlxsw_sp *mlxsw_sp, u8 local_port)
{
struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port];
struct devlink_port *devlink_port;
if (!mlxsw_sp_port)
return;
devlink_port = &mlxsw_sp_port->devlink_port;
devlink_port_type_clear(devlink_port);
unregister_netdev(mlxsw_sp_port->dev); /* This calls ndo_stop */
devlink_port_unregister(devlink_port);
mlxsw_sp_port_vports_fini(mlxsw_sp_port);
mlxsw_sp_port_switchdev_fini(mlxsw_sp_port);
free_percpu(mlxsw_sp_port->pcpu_stats);

2
drivers/net/ethernet/mellanox/mlxsw/spectrum.h
View File

@ -43,6 +43,7 @@
#include <linux/if_vlan.h>
#include <linux/list.h>
#include <net/switchdev.h>
#include <net/devlink.h>
#include "port.h"
#include "core.h"
@ -162,6 +163,7 @@ struct mlxsw_sp_port {
unsigned long *untagged_vlans;
/* VLAN interfaces */
struct list_head vports_list;
struct devlink_port devlink_port;
};
static inline struct mlxsw_sp_port *

20
drivers/net/ethernet/mellanox/mlxsw/switchx2.c
View File

@ -43,6 +43,7 @@
#include <linux/device.h>
#include <linux/skbuff.h>
#include <linux/if_vlan.h>
#include <net/devlink.h>
#include <net/switchdev.h>
#include <generated/utsrelease.h>
@ -78,6 +79,7 @@ struct mlxsw_sx_port {
struct mlxsw_sx_port_pcpu_stats __percpu *pcpu_stats;
struct mlxsw_sx *mlxsw_sx;
u8 local_port;
struct devlink_port devlink_port;
};
/* tx_hdr_version
@ -953,7 +955,9 @@ mlxsw_sx_port_mac_learning_mode_set(struct mlxsw_sx_port *mlxsw_sx_port,
static int mlxsw_sx_port_create(struct mlxsw_sx *mlxsw_sx, u8 local_port)
{
struct devlink *devlink = priv_to_devlink(mlxsw_sx->core);
struct mlxsw_sx_port *mlxsw_sx_port;
struct devlink_port *devlink_port;
struct net_device *dev;
bool usable;
int err;
@ -1007,6 +1011,14 @@ static int mlxsw_sx_port_create(struct mlxsw_sx *mlxsw_sx, u8 local_port)
goto port_not_usable;
}
devlink_port = &mlxsw_sx_port->devlink_port;
err = devlink_port_register(devlink, devlink_port, local_port);
if (err) {
dev_err(mlxsw_sx->bus_info->dev, "Port %d: Failed to register devlink port\n",
mlxsw_sx_port->local_port);
goto err_devlink_port_register;
}
err = mlxsw_sx_port_system_port_mapping_set(mlxsw_sx_port);
if (err) {
dev_err(mlxsw_sx->bus_info->dev, "Port %d: Failed to set system port mapping\n",
@ -1064,6 +1076,8 @@ static int mlxsw_sx_port_create(struct mlxsw_sx *mlxsw_sx, u8 local_port)
goto err_register_netdev;
}
devlink_port_type_eth_set(devlink_port, dev);
mlxsw_sx->ports[local_port] = mlxsw_sx_port;
return 0;
@ -1075,6 +1089,8 @@ static int mlxsw_sx_port_create(struct mlxsw_sx *mlxsw_sx, u8 local_port)
err_port_speed_set:
err_port_swid_set:
err_port_system_port_mapping_set:
devlink_port_unregister(&mlxsw_sx_port->devlink_port);
err_devlink_port_register:
port_not_usable:
err_port_module_check:
err_dev_addr_get:
@ -1087,11 +1103,15 @@ static int mlxsw_sx_port_create(struct mlxsw_sx *mlxsw_sx, u8 local_port)
static void mlxsw_sx_port_remove(struct mlxsw_sx *mlxsw_sx, u8 local_port)
{
struct mlxsw_sx_port *mlxsw_sx_port = mlxsw_sx->ports[local_port];
struct devlink_port *devlink_port;
if (!mlxsw_sx_port)
return;
devlink_port = &mlxsw_sx_port->devlink_port;
devlink_port_type_clear(devlink_port);
unregister_netdev(mlxsw_sx_port->dev); /* This calls ndo_stop */
mlxsw_sx_port_swid_set(mlxsw_sx_port, MLXSW_PORT_SWID_DISABLED_PORT);
devlink_port_unregister(devlink_port);
free_percpu(mlxsw_sx_port->pcpu_stats);
free_netdev(mlxsw_sx_port->dev);
}