1 // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
2 /* Copyright (c) 2016-2019 Mellanox Technologies. All rights reserved */
9 #include <linux/module.h>
13 #include "core.h"
32 	struct mlxsw_core *core;  member
42 	u8 module;  member
50 	err = mlxsw_reg_query(mlxsw_m->core, MLXSW_REG(spad), spad_pl);  in mlxsw_m_base_mac_get()
53 	mlxsw_reg_spad_base_mac_memcpy_from(spad_pl, mlxsw_m->base_mac);  in mlxsw_m_base_mac_get()
66 	struct mlxsw_m *mlxsw_m = mlxsw_m_port->mlxsw_m;  in mlxsw_m_port_get_devlink_port()
68 	return mlxsw_core_port_devlink_port_get(mlxsw_m->core,  in mlxsw_m_port_get_devlink_port()
69 						mlxsw_m_port->local_port);  in mlxsw_m_port_get_devlink_port()
82 	struct mlxsw_m *mlxsw_m = mlxsw_m_port->mlxsw_m;  in mlxsw_m_module_get_drvinfo()
84 	strlcpy(drvinfo->driver, mlxsw_m->bus_info->device_kind,  in mlxsw_m_module_get_drvinfo()
85 		sizeof(drvinfo->driver));  in mlxsw_m_module_get_drvinfo()
86 	snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),  in mlxsw_m_module_get_drvinfo()
88 		 mlxsw_m->bus_info->fw_rev.major,  in mlxsw_m_module_get_drvinfo()
89 		 mlxsw_m->bus_info->fw_rev.minor,  in mlxsw_m_module_get_drvinfo()
90 		 mlxsw_m->bus_info->fw_rev.subminor);  in mlxsw_m_module_get_drvinfo()
91 	strlcpy(drvinfo->bus_info, mlxsw_m->bus_info->device_name,  in mlxsw_m_module_get_drvinfo()
92 		sizeof(drvinfo->bus_info));  in mlxsw_m_module_get_drvinfo()
99 	struct mlxsw_core *core = mlxsw_m_port->mlxsw_m->core;  in mlxsw_m_get_module_info()  local
101 	return mlxsw_env_get_module_info(core, mlxsw_m_port->module, modinfo);  in mlxsw_m_get_module_info()
109 	struct mlxsw_core *core = mlxsw_m_port->mlxsw_m->core;  in mlxsw_m_get_module_eeprom()  local
111 	return mlxsw_env_get_module_eeprom(netdev, core, mlxsw_m_port->module,  in mlxsw_m_get_module_eeprom()
129 	err = mlxsw_reg_query(mlxsw_m->core, MLXSW_REG(pmlp), pmlp_pl);  in mlxsw_m_port_module_info_get()
141 	struct mlxsw_m *mlxsw_m = mlxsw_m_port->mlxsw_m;  in mlxsw_m_port_dev_addr_get()
142 	struct net_device *dev = mlxsw_m_port->dev;  in mlxsw_m_port_dev_addr_get()
147 	err = mlxsw_reg_query(mlxsw_m->core, MLXSW_REG(ppad), ppad_pl);  in mlxsw_m_port_dev_addr_get()
150 	mlxsw_reg_ppad_mac_memcpy_from(ppad_pl, dev->dev_addr);  in mlxsw_m_port_dev_addr_get()
155 	dev->dev_addr[ETH_ALEN - 1] += mlxsw_m_port->module + 1;  in mlxsw_m_port_dev_addr_get()
160 mlxsw_m_port_create(struct mlxsw_m *mlxsw_m, u8 local_port, u8 module)  in mlxsw_m_port_create()  argument
166 	err = mlxsw_core_port_init(mlxsw_m->core, local_port,  in mlxsw_m_port_create()
167 				   module + 1, false, 0, false,  in mlxsw_m_port_create()
168 				   0, mlxsw_m->base_mac,  in mlxsw_m_port_create()
169 				   sizeof(mlxsw_m->base_mac));  in mlxsw_m_port_create()
171 		dev_err(mlxsw_m->bus_info->dev, "Port %d: Failed to init core port\n",  in mlxsw_m_port_create()
178 		err = -ENOMEM;  in mlxsw_m_port_create()
182 	SET_NETDEV_DEV(dev, mlxsw_m->bus_info->dev);  in mlxsw_m_port_create()
183 	dev_net_set(dev, mlxsw_core_net(mlxsw_m->core));  in mlxsw_m_port_create()
185 	mlxsw_m_port->dev = dev;  in mlxsw_m_port_create()
186 	mlxsw_m_port->mlxsw_m = mlxsw_m;  in mlxsw_m_port_create()
187 	mlxsw_m_port->local_port = local_port;  in mlxsw_m_port_create()
188 	mlxsw_m_port->module = module;  in mlxsw_m_port_create()
190 	dev->netdev_ops = &mlxsw_m_port_netdev_ops;  in mlxsw_m_port_create()
191 	dev->ethtool_ops = &mlxsw_m_port_ethtool_ops;  in mlxsw_m_port_create()
195 		dev_err(mlxsw_m->bus_info->dev, "Port %d: Unable to get port mac address\n",  in mlxsw_m_port_create()
196 			mlxsw_m_port->local_port);  in mlxsw_m_port_create()
201 	mlxsw_m->ports[local_port] = mlxsw_m_port;  in mlxsw_m_port_create()
204 		dev_err(mlxsw_m->bus_info->dev, "Port %d: Failed to register netdev\n",  in mlxsw_m_port_create()
205 			mlxsw_m_port->local_port);  in mlxsw_m_port_create()
209 	mlxsw_core_port_eth_set(mlxsw_m->core, mlxsw_m_port->local_port,  in mlxsw_m_port_create()
215 	mlxsw_m->ports[local_port] = NULL;  in mlxsw_m_port_create()
219 	mlxsw_core_port_fini(mlxsw_m->core, local_port);  in mlxsw_m_port_create()
225 	struct mlxsw_m_port *mlxsw_m_port = mlxsw_m->ports[local_port];  in mlxsw_m_port_remove()
227 	mlxsw_core_port_clear(mlxsw_m->core, local_port, mlxsw_m);  in mlxsw_m_port_remove()
228 	unregister_netdev(mlxsw_m_port->dev); /* This calls ndo_stop */  in mlxsw_m_port_remove()
229 	mlxsw_m->ports[local_port] = NULL;  in mlxsw_m_port_remove()
230 	free_netdev(mlxsw_m_port->dev);  in mlxsw_m_port_remove()
231 	mlxsw_core_port_fini(mlxsw_m->core, local_port);  in mlxsw_m_port_remove()
237 	u8 module, width;  in mlxsw_m_port_module_map()  local
241 	err = mlxsw_m_port_module_info_get(mlxsw_m, local_port, &module,  in mlxsw_m_port_module_map()
249 	if (module == *last_module)  in mlxsw_m_port_module_map()
251 	*last_module = module;  in mlxsw_m_port_module_map()
252 	mlxsw_m->module_to_port[module] = ++mlxsw_m->max_ports;  in mlxsw_m_port_module_map()
257 static void mlxsw_m_port_module_unmap(struct mlxsw_m *mlxsw_m, u8 module)  in mlxsw_m_port_module_unmap()  argument
259 	mlxsw_m->module_to_port[module] = -1;  in mlxsw_m_port_module_unmap()
264 	unsigned int max_ports = mlxsw_core_max_ports(mlxsw_m->core);  in mlxsw_m_ports_create()
269 	mlxsw_m->ports = kcalloc(max_ports, sizeof(*mlxsw_m->ports),  in mlxsw_m_ports_create()
271 	if (!mlxsw_m->ports)  in mlxsw_m_ports_create()
272 		return -ENOMEM;  in mlxsw_m_ports_create()
274 	mlxsw_m->module_to_port = kmalloc_array(max_ports, sizeof(int),  in mlxsw_m_ports_create()
276 	if (!mlxsw_m->module_to_port) {  in mlxsw_m_ports_create()
277 		err = -ENOMEM;  in mlxsw_m_ports_create()
281 	/* Invalidate the entries of module to local port mapping array */  in mlxsw_m_ports_create()
283 		mlxsw_m->module_to_port[i] = -1;  in mlxsw_m_ports_create()
285 	/* Fill out module to local port mapping array */  in mlxsw_m_ports_create()
293 	for (i = 0; i < mlxsw_m->max_ports; i++) {  in mlxsw_m_ports_create()
294 		if (mlxsw_m->module_to_port[i] > 0) {  in mlxsw_m_ports_create()
296 						  mlxsw_m->module_to_port[i],  in mlxsw_m_ports_create()
306 	for (i--; i >= 0; i--) {  in mlxsw_m_ports_create()
307 		if (mlxsw_m->module_to_port[i] > 0)  in mlxsw_m_ports_create()
309 					    mlxsw_m->module_to_port[i]);  in mlxsw_m_ports_create()
313 	for (i--; i > 0; i--)  in mlxsw_m_ports_create()
315 	kfree(mlxsw_m->module_to_port);  in mlxsw_m_ports_create()
317 	kfree(mlxsw_m->ports);  in mlxsw_m_ports_create()
325 	for (i = 0; i < mlxsw_m->max_ports; i++) {  in mlxsw_m_ports_remove()
326 		if (mlxsw_m->module_to_port[i] > 0) {  in mlxsw_m_ports_remove()
328 					    mlxsw_m->module_to_port[i]);  in mlxsw_m_ports_remove()
333 	kfree(mlxsw_m->module_to_port);  in mlxsw_m_ports_remove()
334 	kfree(mlxsw_m->ports);  in mlxsw_m_ports_remove()
339 	const struct mlxsw_fw_rev *rev = &mlxsw_m->bus_info->fw_rev;  in mlxsw_m_fw_rev_validate()
348 …dev_err(mlxsw_m->bus_info->dev, "The firmware version %d.%d.%d is incompatible with the driver (re…  in mlxsw_m_fw_rev_validate()
349 		rev->major, rev->minor, rev->subminor, rev->major,  in mlxsw_m_fw_rev_validate()
352 	return -EINVAL;  in mlxsw_m_fw_rev_validate()
362 	mlxsw_m->core = mlxsw_core;  in mlxsw_m_init()
363 	mlxsw_m->bus_info = mlxsw_bus_info;  in mlxsw_m_init()
371 		dev_err(mlxsw_m->bus_info->dev, "Failed to get base mac\n");  in mlxsw_m_init()
377 		dev_err(mlxsw_m->bus_info->dev, "Failed to create ports\n");  in mlxsw_m_init()