1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 /* Copyright (C) 2017-2018 Netronome Systems, Inc. */
4 #include <linux/rtnetlink.h>
5 #include <net/devlink.h>
7 #include "nfpcore/nfp.h"
8 #include "nfpcore/nfp_nsp.h"
14 nfp_devlink_fill_eth_port(struct nfp_port *port,
15 struct nfp_eth_table_port *copy)
17 struct nfp_eth_table_port *eth_port;
19 eth_port = __nfp_port_get_eth_port(port);
23 memcpy(copy, eth_port, sizeof(*eth_port));
29 nfp_devlink_fill_eth_port_from_id(struct nfp_pf *pf, unsigned int port_index,
30 struct nfp_eth_table_port *copy)
32 struct nfp_port *port;
34 port = nfp_port_from_id(pf, NFP_PORT_PHYS_PORT, port_index);
36 return nfp_devlink_fill_eth_port(port, copy);
40 nfp_devlink_set_lanes(struct nfp_pf *pf, unsigned int idx, unsigned int lanes)
45 nsp = nfp_eth_config_start(pf->cpp, idx);
49 ret = __nfp_eth_set_split(nsp, lanes);
51 nfp_eth_config_cleanup_end(nsp);
55 ret = nfp_eth_config_commit_end(nsp);
58 if (ret) /* no change */
61 return nfp_net_refresh_port_table_sync(pf);
65 nfp_devlink_port_split(struct devlink *devlink, unsigned int port_index,
66 unsigned int count, struct netlink_ext_ack *extack)
68 struct nfp_pf *pf = devlink_priv(devlink);
69 struct nfp_eth_table_port eth_port;
73 mutex_lock(&pf->lock);
76 ret = nfp_devlink_fill_eth_port_from_id(pf, port_index, ð_port);
81 if (eth_port.port_lanes % count) {
86 /* Special case the 100G CXP -> 2x40G split */
87 lanes = eth_port.port_lanes / count;
88 if (eth_port.lanes == 10 && count == 2)
91 ret = nfp_devlink_set_lanes(pf, eth_port.index, lanes);
93 mutex_unlock(&pf->lock);
99 nfp_devlink_port_unsplit(struct devlink *devlink, unsigned int port_index,
100 struct netlink_ext_ack *extack)
102 struct nfp_pf *pf = devlink_priv(devlink);
103 struct nfp_eth_table_port eth_port;
107 mutex_lock(&pf->lock);
110 ret = nfp_devlink_fill_eth_port_from_id(pf, port_index, ð_port);
115 if (!eth_port.is_split) {
120 /* Special case the 100G CXP -> 2x40G unsplit */
121 lanes = eth_port.port_lanes;
122 if (eth_port.port_lanes == 8)
125 ret = nfp_devlink_set_lanes(pf, eth_port.index, lanes);
127 mutex_unlock(&pf->lock);
133 nfp_devlink_sb_pool_get(struct devlink *devlink, unsigned int sb_index,
134 u16 pool_index, struct devlink_sb_pool_info *pool_info)
136 struct nfp_pf *pf = devlink_priv(devlink);
138 return nfp_shared_buf_pool_get(pf, sb_index, pool_index, pool_info);
142 nfp_devlink_sb_pool_set(struct devlink *devlink, unsigned int sb_index,
144 u32 size, enum devlink_sb_threshold_type threshold_type,
145 struct netlink_ext_ack *extack)
147 struct nfp_pf *pf = devlink_priv(devlink);
149 return nfp_shared_buf_pool_set(pf, sb_index, pool_index,
150 size, threshold_type);
153 static int nfp_devlink_eswitch_mode_get(struct devlink *devlink, u16 *mode)
155 struct nfp_pf *pf = devlink_priv(devlink);
157 return nfp_app_eswitch_mode_get(pf->app, mode);
160 static int nfp_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode,
161 struct netlink_ext_ack *extack)
163 struct nfp_pf *pf = devlink_priv(devlink);
166 mutex_lock(&pf->lock);
167 ret = nfp_app_eswitch_mode_set(pf->app, mode);
168 mutex_unlock(&pf->lock);
173 static const struct nfp_devlink_versions_simple {
176 } nfp_devlink_versions_hwinfo[] = {
177 { DEVLINK_INFO_VERSION_GENERIC_BOARD_ID, "assembly.partno", },
178 { DEVLINK_INFO_VERSION_GENERIC_BOARD_REV, "assembly.revision", },
179 { DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE, "assembly.vendor", },
180 { "board.model", /* code name */ "assembly.model", },
184 nfp_devlink_versions_get_hwinfo(struct nfp_pf *pf, struct devlink_info_req *req)
189 for (i = 0; i < ARRAY_SIZE(nfp_devlink_versions_hwinfo); i++) {
190 const struct nfp_devlink_versions_simple *info;
193 info = &nfp_devlink_versions_hwinfo[i];
195 val = nfp_hwinfo_lookup(pf->hwinfo, info->hwinfo);
199 err = devlink_info_version_fixed_put(req, info->key, val);
207 static const struct nfp_devlink_versions {
208 enum nfp_nsp_versions id;
210 } nfp_devlink_versions_nsp[] = {
211 { NFP_VERSIONS_BUNDLE, DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID, },
212 { NFP_VERSIONS_BSP, DEVLINK_INFO_VERSION_GENERIC_FW_MGMT, },
213 { NFP_VERSIONS_CPLD, "fw.cpld", },
214 { NFP_VERSIONS_APP, DEVLINK_INFO_VERSION_GENERIC_FW_APP, },
215 { NFP_VERSIONS_UNDI, DEVLINK_INFO_VERSION_GENERIC_FW_UNDI, },
216 { NFP_VERSIONS_NCSI, DEVLINK_INFO_VERSION_GENERIC_FW_NCSI, },
217 { NFP_VERSIONS_CFGR, "chip.init", },
221 nfp_devlink_versions_get_nsp(struct devlink_info_req *req, bool flash,
222 const u8 *buf, unsigned int size)
227 for (i = 0; i < ARRAY_SIZE(nfp_devlink_versions_nsp); i++) {
228 const struct nfp_devlink_versions *info;
231 info = &nfp_devlink_versions_nsp[i];
233 version = nfp_nsp_versions_get(info->id, flash, buf, size);
234 if (IS_ERR(version)) {
235 if (PTR_ERR(version) == -ENOENT)
238 return PTR_ERR(version);
242 err = devlink_info_version_stored_put(req, info->key,
245 err = devlink_info_version_running_put(req, info->key,
255 nfp_devlink_info_get(struct devlink *devlink, struct devlink_info_req *req,
256 struct netlink_ext_ack *extack)
258 struct nfp_pf *pf = devlink_priv(devlink);
259 const char *sn, *vendor, *part;
264 err = devlink_info_driver_name_put(req, "nfp");
268 vendor = nfp_hwinfo_lookup(pf->hwinfo, "assembly.vendor");
269 part = nfp_hwinfo_lookup(pf->hwinfo, "assembly.partno");
270 sn = nfp_hwinfo_lookup(pf->hwinfo, "assembly.serial");
271 if (vendor && part && sn) {
274 buf = kmalloc(strlen(vendor) + strlen(part) + strlen(sn) + 1,
284 err = devlink_info_serial_number_put(req, buf);
290 nsp = nfp_nsp_open(pf->cpp);
292 NL_SET_ERR_MSG_MOD(extack, "can't access NSP");
296 if (nfp_nsp_has_versions(nsp)) {
297 buf = kzalloc(NFP_NSP_VERSION_BUFSZ, GFP_KERNEL);
303 err = nfp_nsp_versions(nsp, buf, NFP_NSP_VERSION_BUFSZ);
307 err = nfp_devlink_versions_get_nsp(req, false,
308 buf, NFP_NSP_VERSION_BUFSZ);
312 err = nfp_devlink_versions_get_nsp(req, true,
313 buf, NFP_NSP_VERSION_BUFSZ);
322 return nfp_devlink_versions_get_hwinfo(pf, req);
332 nfp_devlink_flash_update(struct devlink *devlink,
333 struct devlink_flash_update_params *params,
334 struct netlink_ext_ack *extack)
336 return nfp_flash_update_common(devlink_priv(devlink), params->fw, extack);
339 const struct devlink_ops nfp_devlink_ops = {
340 .port_split = nfp_devlink_port_split,
341 .port_unsplit = nfp_devlink_port_unsplit,
342 .sb_pool_get = nfp_devlink_sb_pool_get,
343 .sb_pool_set = nfp_devlink_sb_pool_set,
344 .eswitch_mode_get = nfp_devlink_eswitch_mode_get,
345 .eswitch_mode_set = nfp_devlink_eswitch_mode_set,
346 .info_get = nfp_devlink_info_get,
347 .flash_update = nfp_devlink_flash_update,
350 int nfp_devlink_port_register(struct nfp_app *app, struct nfp_port *port)
352 struct devlink_port_attrs attrs = {};
353 struct nfp_eth_table_port eth_port;
354 struct devlink *devlink;
360 ret = nfp_devlink_fill_eth_port(port, ð_port);
365 attrs.split = eth_port.is_split;
366 attrs.splittable = !attrs.split;
367 attrs.lanes = eth_port.port_lanes;
368 attrs.flavour = DEVLINK_PORT_FLAVOUR_PHYSICAL;
369 attrs.phys.port_number = eth_port.label_port;
370 attrs.phys.split_subport_number = eth_port.label_subport;
371 serial_len = nfp_cpp_serial(port->app->cpp, &serial);
372 memcpy(attrs.switch_id.id, serial, serial_len);
373 attrs.switch_id.id_len = serial_len;
374 devlink_port_attrs_set(&port->dl_port, &attrs);
376 devlink = priv_to_devlink(app->pf);
378 return devlink_port_register(devlink, &port->dl_port, port->eth_id);
381 void nfp_devlink_port_unregister(struct nfp_port *port)
383 devlink_port_unregister(&port->dl_port);
386 void nfp_devlink_port_type_eth_set(struct nfp_port *port)
388 devlink_port_type_eth_set(&port->dl_port, port->netdev);
391 void nfp_devlink_port_type_clear(struct nfp_port *port)
393 devlink_port_type_clear(&port->dl_port);
396 struct devlink_port *nfp_devlink_get_devlink_port(struct net_device *netdev)
398 struct nfp_port *port;
400 port = nfp_port_from_netdev(netdev);
404 return &port->dl_port;