1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 /* Copyright (C) 2015-2018 Netronome Systems, Inc. */
3
4 /*
5 * nfp_net_ethtool.c
6 * Netronome network device driver: ethtool support
7 * Authors: Jakub Kicinski <jakub.kicinski@netronome.com>
8 * Jason McMullan <jason.mcmullan@netronome.com>
9 * Rolf Neugebauer <rolf.neugebauer@netronome.com>
10 * Brad Petrus <brad.petrus@netronome.com>
11 */
12
13 #include <linux/bitfield.h>
14 #include <linux/kernel.h>
15 #include <linux/netdevice.h>
16 #include <linux/etherdevice.h>
17 #include <linux/interrupt.h>
18 #include <linux/pci.h>
19 #include <linux/ethtool.h>
20 #include <linux/firmware.h>
21 #include <linux/sfp.h>
22
23 #include "nfpcore/nfp.h"
24 #include "nfpcore/nfp_dev.h"
25 #include "nfpcore/nfp_nsp.h"
26 #include "nfp_app.h"
27 #include "nfp_main.h"
28 #include "nfp_net_ctrl.h"
29 #include "nfp_net_dp.h"
30 #include "nfp_net.h"
31 #include "nfp_port.h"
32 #include "nfpcore/nfp_cpp.h"
33
34 struct nfp_et_stat {
35 char name[ETH_GSTRING_LEN];
36 int off;
37 };
38
39 static const struct nfp_et_stat nfp_net_et_stats[] = {
40 /* Stats from the device */
41 { "dev_rx_discards", NFP_NET_CFG_STATS_RX_DISCARDS },
42 { "dev_rx_errors", NFP_NET_CFG_STATS_RX_ERRORS },
43 { "dev_rx_bytes", NFP_NET_CFG_STATS_RX_OCTETS },
44 { "dev_rx_uc_bytes", NFP_NET_CFG_STATS_RX_UC_OCTETS },
45 { "dev_rx_mc_bytes", NFP_NET_CFG_STATS_RX_MC_OCTETS },
46 { "dev_rx_bc_bytes", NFP_NET_CFG_STATS_RX_BC_OCTETS },
47 { "dev_rx_pkts", NFP_NET_CFG_STATS_RX_FRAMES },
48 { "dev_rx_mc_pkts", NFP_NET_CFG_STATS_RX_MC_FRAMES },
49 { "dev_rx_bc_pkts", NFP_NET_CFG_STATS_RX_BC_FRAMES },
50
51 { "dev_tx_discards", NFP_NET_CFG_STATS_TX_DISCARDS },
52 { "dev_tx_errors", NFP_NET_CFG_STATS_TX_ERRORS },
53 { "dev_tx_bytes", NFP_NET_CFG_STATS_TX_OCTETS },
54 { "dev_tx_uc_bytes", NFP_NET_CFG_STATS_TX_UC_OCTETS },
55 { "dev_tx_mc_bytes", NFP_NET_CFG_STATS_TX_MC_OCTETS },
56 { "dev_tx_bc_bytes", NFP_NET_CFG_STATS_TX_BC_OCTETS },
57 { "dev_tx_pkts", NFP_NET_CFG_STATS_TX_FRAMES },
58 { "dev_tx_mc_pkts", NFP_NET_CFG_STATS_TX_MC_FRAMES },
59 { "dev_tx_bc_pkts", NFP_NET_CFG_STATS_TX_BC_FRAMES },
60
61 { "bpf_pass_pkts", NFP_NET_CFG_STATS_APP0_FRAMES },
62 { "bpf_pass_bytes", NFP_NET_CFG_STATS_APP0_BYTES },
63 /* see comments in outro functions in nfp_bpf_jit.c to find out
64 * how different BPF modes use app-specific counters
65 */
66 { "bpf_app1_pkts", NFP_NET_CFG_STATS_APP1_FRAMES },
67 { "bpf_app1_bytes", NFP_NET_CFG_STATS_APP1_BYTES },
68 { "bpf_app2_pkts", NFP_NET_CFG_STATS_APP2_FRAMES },
69 { "bpf_app2_bytes", NFP_NET_CFG_STATS_APP2_BYTES },
70 { "bpf_app3_pkts", NFP_NET_CFG_STATS_APP3_FRAMES },
71 { "bpf_app3_bytes", NFP_NET_CFG_STATS_APP3_BYTES },
72 };
73
74 static const struct nfp_et_stat nfp_mac_et_stats[] = {
75 { "rx_octets", NFP_MAC_STATS_RX_IN_OCTETS, },
76 { "rx_frame_too_long_errors",
77 NFP_MAC_STATS_RX_FRAME_TOO_LONG_ERRORS, },
78 { "rx_range_length_errors", NFP_MAC_STATS_RX_RANGE_LENGTH_ERRORS, },
79 { "rx_vlan_received_ok", NFP_MAC_STATS_RX_VLAN_RECEIVED_OK, },
80 { "rx_errors", NFP_MAC_STATS_RX_IN_ERRORS, },
81 { "rx_broadcast_pkts", NFP_MAC_STATS_RX_IN_BROADCAST_PKTS, },
82 { "rx_drop_events", NFP_MAC_STATS_RX_DROP_EVENTS, },
83 { "rx_alignment_errors", NFP_MAC_STATS_RX_ALIGNMENT_ERRORS, },
84 { "rx_pause_mac_ctrl_frames",
85 NFP_MAC_STATS_RX_PAUSE_MAC_CTRL_FRAMES, },
86 { "rx_frames_received_ok", NFP_MAC_STATS_RX_FRAMES_RECEIVED_OK, },
87 { "rx_frame_check_sequence_errors",
88 NFP_MAC_STATS_RX_FRAME_CHECK_SEQUENCE_ERRORS, },
89 { "rx_unicast_pkts", NFP_MAC_STATS_RX_UNICAST_PKTS, },
90 { "rx_multicast_pkts", NFP_MAC_STATS_RX_MULTICAST_PKTS, },
91 { "rx_pkts", NFP_MAC_STATS_RX_PKTS, },
92 { "rx_undersize_pkts", NFP_MAC_STATS_RX_UNDERSIZE_PKTS, },
93 { "rx_pkts_64_octets", NFP_MAC_STATS_RX_PKTS_64_OCTETS, },
94 { "rx_pkts_65_to_127_octets",
95 NFP_MAC_STATS_RX_PKTS_65_TO_127_OCTETS, },
96 { "rx_pkts_128_to_255_octets",
97 NFP_MAC_STATS_RX_PKTS_128_TO_255_OCTETS, },
98 { "rx_pkts_256_to_511_octets",
99 NFP_MAC_STATS_RX_PKTS_256_TO_511_OCTETS, },
100 { "rx_pkts_512_to_1023_octets",
101 NFP_MAC_STATS_RX_PKTS_512_TO_1023_OCTETS, },
102 { "rx_pkts_1024_to_1518_octets",
103 NFP_MAC_STATS_RX_PKTS_1024_TO_1518_OCTETS, },
104 { "rx_pkts_1519_to_max_octets",
105 NFP_MAC_STATS_RX_PKTS_1519_TO_MAX_OCTETS, },
106 { "rx_jabbers", NFP_MAC_STATS_RX_JABBERS, },
107 { "rx_fragments", NFP_MAC_STATS_RX_FRAGMENTS, },
108 { "rx_oversize_pkts", NFP_MAC_STATS_RX_OVERSIZE_PKTS, },
109 { "rx_pause_frames_class0", NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS0, },
110 { "rx_pause_frames_class1", NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS1, },
111 { "rx_pause_frames_class2", NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS2, },
112 { "rx_pause_frames_class3", NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS3, },
113 { "rx_pause_frames_class4", NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS4, },
114 { "rx_pause_frames_class5", NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS5, },
115 { "rx_pause_frames_class6", NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS6, },
116 { "rx_pause_frames_class7", NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS7, },
117 { "rx_mac_ctrl_frames_received",
118 NFP_MAC_STATS_RX_MAC_CTRL_FRAMES_RECEIVED, },
119 { "rx_mac_head_drop", NFP_MAC_STATS_RX_MAC_HEAD_DROP, },
120 { "tx_queue_drop", NFP_MAC_STATS_TX_QUEUE_DROP, },
121 { "tx_octets", NFP_MAC_STATS_TX_OUT_OCTETS, },
122 { "tx_vlan_transmitted_ok", NFP_MAC_STATS_TX_VLAN_TRANSMITTED_OK, },
123 { "tx_errors", NFP_MAC_STATS_TX_OUT_ERRORS, },
124 { "tx_broadcast_pkts", NFP_MAC_STATS_TX_BROADCAST_PKTS, },
125 { "tx_pause_mac_ctrl_frames",
126 NFP_MAC_STATS_TX_PAUSE_MAC_CTRL_FRAMES, },
127 { "tx_frames_transmitted_ok",
128 NFP_MAC_STATS_TX_FRAMES_TRANSMITTED_OK, },
129 { "tx_unicast_pkts", NFP_MAC_STATS_TX_UNICAST_PKTS, },
130 { "tx_multicast_pkts", NFP_MAC_STATS_TX_MULTICAST_PKTS, },
131 { "tx_pkts_64_octets", NFP_MAC_STATS_TX_PKTS_64_OCTETS, },
132 { "tx_pkts_65_to_127_octets",
133 NFP_MAC_STATS_TX_PKTS_65_TO_127_OCTETS, },
134 { "tx_pkts_128_to_255_octets",
135 NFP_MAC_STATS_TX_PKTS_128_TO_255_OCTETS, },
136 { "tx_pkts_256_to_511_octets",
137 NFP_MAC_STATS_TX_PKTS_256_TO_511_OCTETS, },
138 { "tx_pkts_512_to_1023_octets",
139 NFP_MAC_STATS_TX_PKTS_512_TO_1023_OCTETS, },
140 { "tx_pkts_1024_to_1518_octets",
141 NFP_MAC_STATS_TX_PKTS_1024_TO_1518_OCTETS, },
142 { "tx_pkts_1519_to_max_octets",
143 NFP_MAC_STATS_TX_PKTS_1519_TO_MAX_OCTETS, },
144 { "tx_pause_frames_class0", NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS0, },
145 { "tx_pause_frames_class1", NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS1, },
146 { "tx_pause_frames_class2", NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS2, },
147 { "tx_pause_frames_class3", NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS3, },
148 { "tx_pause_frames_class4", NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS4, },
149 { "tx_pause_frames_class5", NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS5, },
150 { "tx_pause_frames_class6", NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS6, },
151 { "tx_pause_frames_class7", NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS7, },
152 };
153
154 static const char nfp_tlv_stat_names[][ETH_GSTRING_LEN] = {
155 [1] = "dev_rx_discards",
156 [2] = "dev_rx_errors",
157 [3] = "dev_rx_bytes",
158 [4] = "dev_rx_uc_bytes",
159 [5] = "dev_rx_mc_bytes",
160 [6] = "dev_rx_bc_bytes",
161 [7] = "dev_rx_pkts",
162 [8] = "dev_rx_mc_pkts",
163 [9] = "dev_rx_bc_pkts",
164
165 [10] = "dev_tx_discards",
166 [11] = "dev_tx_errors",
167 [12] = "dev_tx_bytes",
168 [13] = "dev_tx_uc_bytes",
169 [14] = "dev_tx_mc_bytes",
170 [15] = "dev_tx_bc_bytes",
171 [16] = "dev_tx_pkts",
172 [17] = "dev_tx_mc_pkts",
173 [18] = "dev_tx_bc_pkts",
174 };
175
176 #define NN_ET_GLOBAL_STATS_LEN ARRAY_SIZE(nfp_net_et_stats)
177 #define NN_ET_SWITCH_STATS_LEN 9
178 #define NN_RVEC_GATHER_STATS 13
179 #define NN_RVEC_PER_Q_STATS 3
180 #define NN_CTRL_PATH_STATS 4
181
182 #define SFP_SFF_REV_COMPLIANCE 1
183
nfp_net_get_nspinfo(struct nfp_app * app,char * version)184 static void nfp_net_get_nspinfo(struct nfp_app *app, char *version)
185 {
186 struct nfp_nsp *nsp;
187
188 if (!app)
189 return;
190
191 nsp = nfp_nsp_open(app->cpp);
192 if (IS_ERR(nsp))
193 return;
194
195 snprintf(version, ETHTOOL_FWVERS_LEN, "%hu.%hu",
196 nfp_nsp_get_abi_ver_major(nsp),
197 nfp_nsp_get_abi_ver_minor(nsp));
198
199 nfp_nsp_close(nsp);
200 }
201
202 static void
nfp_get_drvinfo(struct nfp_app * app,struct pci_dev * pdev,const char * vnic_version,struct ethtool_drvinfo * drvinfo)203 nfp_get_drvinfo(struct nfp_app *app, struct pci_dev *pdev,
204 const char *vnic_version, struct ethtool_drvinfo *drvinfo)
205 {
206 char nsp_version[ETHTOOL_FWVERS_LEN] = {};
207
208 strscpy(drvinfo->driver, dev_driver_string(&pdev->dev),
209 sizeof(drvinfo->driver));
210 nfp_net_get_nspinfo(app, nsp_version);
211 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
212 "%s %s %s %s", vnic_version, nsp_version,
213 nfp_app_mip_name(app), nfp_app_name(app));
214 }
215
216 static void
nfp_net_get_drvinfo(struct net_device * netdev,struct ethtool_drvinfo * drvinfo)217 nfp_net_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
218 {
219 char vnic_version[ETHTOOL_FWVERS_LEN] = {};
220 struct nfp_net *nn = netdev_priv(netdev);
221
222 snprintf(vnic_version, sizeof(vnic_version), "%d.%d.%d.%d",
223 nn->fw_ver.extend, nn->fw_ver.class,
224 nn->fw_ver.major, nn->fw_ver.minor);
225 strscpy(drvinfo->bus_info, pci_name(nn->pdev),
226 sizeof(drvinfo->bus_info));
227
228 nfp_get_drvinfo(nn->app, nn->pdev, vnic_version, drvinfo);
229 }
230
231 static int
nfp_net_nway_reset(struct net_device * netdev)232 nfp_net_nway_reset(struct net_device *netdev)
233 {
234 struct nfp_eth_table_port *eth_port;
235 struct nfp_port *port;
236 int err;
237
238 port = nfp_port_from_netdev(netdev);
239 eth_port = nfp_port_get_eth_port(port);
240 if (!eth_port)
241 return -EOPNOTSUPP;
242
243 if (!netif_running(netdev))
244 return 0;
245
246 err = nfp_eth_set_configured(port->app->cpp, eth_port->index, false);
247 if (err) {
248 netdev_info(netdev, "Link down failed: %d\n", err);
249 return err;
250 }
251
252 err = nfp_eth_set_configured(port->app->cpp, eth_port->index, true);
253 if (err) {
254 netdev_info(netdev, "Link up failed: %d\n", err);
255 return err;
256 }
257
258 netdev_info(netdev, "Link reset succeeded\n");
259 return 0;
260 }
261
262 static void
nfp_app_get_drvinfo(struct net_device * netdev,struct ethtool_drvinfo * drvinfo)263 nfp_app_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
264 {
265 struct nfp_app *app = nfp_app_from_netdev(netdev);
266
267 strscpy(drvinfo->bus_info, pci_name(app->pdev),
268 sizeof(drvinfo->bus_info));
269 nfp_get_drvinfo(app, app->pdev, "*", drvinfo);
270 }
271
272 static void
nfp_net_set_fec_link_mode(struct nfp_eth_table_port * eth_port,struct ethtool_link_ksettings * c)273 nfp_net_set_fec_link_mode(struct nfp_eth_table_port *eth_port,
274 struct ethtool_link_ksettings *c)
275 {
276 unsigned int modes;
277
278 ethtool_link_ksettings_add_link_mode(c, supported, FEC_NONE);
279 if (!nfp_eth_can_support_fec(eth_port)) {
280 ethtool_link_ksettings_add_link_mode(c, advertising, FEC_NONE);
281 return;
282 }
283
284 modes = nfp_eth_supported_fec_modes(eth_port);
285 if (modes & NFP_FEC_BASER) {
286 ethtool_link_ksettings_add_link_mode(c, supported, FEC_BASER);
287 ethtool_link_ksettings_add_link_mode(c, advertising, FEC_BASER);
288 }
289
290 if (modes & NFP_FEC_REED_SOLOMON) {
291 ethtool_link_ksettings_add_link_mode(c, supported, FEC_RS);
292 ethtool_link_ksettings_add_link_mode(c, advertising, FEC_RS);
293 }
294 }
295
296 static const struct nfp_eth_media_link_mode {
297 u16 ethtool_link_mode;
298 u16 speed;
299 } nfp_eth_media_table[NFP_MEDIA_LINK_MODES_NUMBER] = {
300 [NFP_MEDIA_1000BASE_CX] = {
301 .ethtool_link_mode = ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
302 .speed = NFP_SPEED_1G,
303 },
304 [NFP_MEDIA_1000BASE_KX] = {
305 .ethtool_link_mode = ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
306 .speed = NFP_SPEED_1G,
307 },
308 [NFP_MEDIA_10GBASE_KX4] = {
309 .ethtool_link_mode = ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT,
310 .speed = NFP_SPEED_10G,
311 },
312 [NFP_MEDIA_10GBASE_KR] = {
313 .ethtool_link_mode = ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
314 .speed = NFP_SPEED_10G,
315 },
316 [NFP_MEDIA_10GBASE_CX4] = {
317 .ethtool_link_mode = ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT,
318 .speed = NFP_SPEED_10G,
319 },
320 [NFP_MEDIA_10GBASE_CR] = {
321 .ethtool_link_mode = ETHTOOL_LINK_MODE_10000baseCR_Full_BIT,
322 .speed = NFP_SPEED_10G,
323 },
324 [NFP_MEDIA_10GBASE_SR] = {
325 .ethtool_link_mode = ETHTOOL_LINK_MODE_10000baseSR_Full_BIT,
326 .speed = NFP_SPEED_10G,
327 },
328 [NFP_MEDIA_10GBASE_ER] = {
329 .ethtool_link_mode = ETHTOOL_LINK_MODE_10000baseER_Full_BIT,
330 .speed = NFP_SPEED_10G,
331 },
332 [NFP_MEDIA_25GBASE_KR] = {
333 .ethtool_link_mode = ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
334 .speed = NFP_SPEED_25G,
335 },
336 [NFP_MEDIA_25GBASE_KR_S] = {
337 .ethtool_link_mode = ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
338 .speed = NFP_SPEED_25G,
339 },
340 [NFP_MEDIA_25GBASE_CR] = {
341 .ethtool_link_mode = ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
342 .speed = NFP_SPEED_25G,
343 },
344 [NFP_MEDIA_25GBASE_CR_S] = {
345 .ethtool_link_mode = ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
346 .speed = NFP_SPEED_25G,
347 },
348 [NFP_MEDIA_25GBASE_SR] = {
349 .ethtool_link_mode = ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
350 .speed = NFP_SPEED_25G,
351 },
352 [NFP_MEDIA_40GBASE_CR4] = {
353 .ethtool_link_mode = ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
354 .speed = NFP_SPEED_40G,
355 },
356 [NFP_MEDIA_40GBASE_KR4] = {
357 .ethtool_link_mode = ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
358 .speed = NFP_SPEED_40G,
359 },
360 [NFP_MEDIA_40GBASE_SR4] = {
361 .ethtool_link_mode = ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT,
362 .speed = NFP_SPEED_40G,
363 },
364 [NFP_MEDIA_40GBASE_LR4] = {
365 .ethtool_link_mode = ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT,
366 .speed = NFP_SPEED_40G,
367 },
368 [NFP_MEDIA_50GBASE_KR] = {
369 .ethtool_link_mode = ETHTOOL_LINK_MODE_50000baseKR_Full_BIT,
370 .speed = NFP_SPEED_50G,
371 },
372 [NFP_MEDIA_50GBASE_SR] = {
373 .ethtool_link_mode = ETHTOOL_LINK_MODE_50000baseSR_Full_BIT,
374 .speed = NFP_SPEED_50G,
375 },
376 [NFP_MEDIA_50GBASE_CR] = {
377 .ethtool_link_mode = ETHTOOL_LINK_MODE_50000baseCR_Full_BIT,
378 .speed = NFP_SPEED_50G,
379 },
380 [NFP_MEDIA_50GBASE_LR] = {
381 .ethtool_link_mode = ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT,
382 .speed = NFP_SPEED_50G,
383 },
384 [NFP_MEDIA_50GBASE_ER] = {
385 .ethtool_link_mode = ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT,
386 .speed = NFP_SPEED_50G,
387 },
388 [NFP_MEDIA_50GBASE_FR] = {
389 .ethtool_link_mode = ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT,
390 .speed = NFP_SPEED_50G,
391 },
392 [NFP_MEDIA_100GBASE_KR4] = {
393 .ethtool_link_mode = ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
394 .speed = NFP_SPEED_100G,
395 },
396 [NFP_MEDIA_100GBASE_SR4] = {
397 .ethtool_link_mode = ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT,
398 .speed = NFP_SPEED_100G,
399 },
400 [NFP_MEDIA_100GBASE_CR4] = {
401 .ethtool_link_mode = ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
402 .speed = NFP_SPEED_100G,
403 },
404 [NFP_MEDIA_100GBASE_KP4] = {
405 .ethtool_link_mode = ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
406 .speed = NFP_SPEED_100G,
407 },
408 [NFP_MEDIA_100GBASE_CR10] = {
409 .ethtool_link_mode = ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
410 .speed = NFP_SPEED_100G,
411 },
412 };
413
414 static const unsigned int nfp_eth_speed_map[NFP_SUP_SPEED_NUMBER] = {
415 [NFP_SPEED_1G] = SPEED_1000,
416 [NFP_SPEED_10G] = SPEED_10000,
417 [NFP_SPEED_25G] = SPEED_25000,
418 [NFP_SPEED_40G] = SPEED_40000,
419 [NFP_SPEED_50G] = SPEED_50000,
420 [NFP_SPEED_100G] = SPEED_100000,
421 };
422
nfp_add_media_link_mode(struct nfp_port * port,struct nfp_eth_table_port * eth_port,struct ethtool_link_ksettings * cmd)423 static void nfp_add_media_link_mode(struct nfp_port *port,
424 struct nfp_eth_table_port *eth_port,
425 struct ethtool_link_ksettings *cmd)
426 {
427 u64 supported_modes[2], advertised_modes[2];
428 struct nfp_eth_media_buf ethm = {
429 .eth_index = eth_port->eth_index,
430 };
431 struct nfp_cpp *cpp = port->app->cpp;
432
433 if (nfp_eth_read_media(cpp, ðm)) {
434 bitmap_fill(port->speed_bitmap, NFP_SUP_SPEED_NUMBER);
435 return;
436 }
437
438 bitmap_zero(port->speed_bitmap, NFP_SUP_SPEED_NUMBER);
439
440 for (u32 i = 0; i < 2; i++) {
441 supported_modes[i] = le64_to_cpu(ethm.supported_modes[i]);
442 advertised_modes[i] = le64_to_cpu(ethm.advertised_modes[i]);
443 }
444
445 for (u32 i = 0; i < NFP_MEDIA_LINK_MODES_NUMBER; i++) {
446 if (i < 64) {
447 if (supported_modes[0] & BIT_ULL(i)) {
448 __set_bit(nfp_eth_media_table[i].ethtool_link_mode,
449 cmd->link_modes.supported);
450 __set_bit(nfp_eth_media_table[i].speed,
451 port->speed_bitmap);
452 }
453
454 if (advertised_modes[0] & BIT_ULL(i))
455 __set_bit(nfp_eth_media_table[i].ethtool_link_mode,
456 cmd->link_modes.advertising);
457 } else {
458 if (supported_modes[1] & BIT_ULL(i - 64)) {
459 __set_bit(nfp_eth_media_table[i].ethtool_link_mode,
460 cmd->link_modes.supported);
461 __set_bit(nfp_eth_media_table[i].speed,
462 port->speed_bitmap);
463 }
464
465 if (advertised_modes[1] & BIT_ULL(i - 64))
466 __set_bit(nfp_eth_media_table[i].ethtool_link_mode,
467 cmd->link_modes.advertising);
468 }
469 }
470 }
471
472 /**
473 * nfp_net_get_link_ksettings - Get Link Speed settings
474 * @netdev: network interface device structure
475 * @cmd: ethtool command
476 *
477 * Reports speed settings based on info in the BAR provided by the fw.
478 */
479 static int
nfp_net_get_link_ksettings(struct net_device * netdev,struct ethtool_link_ksettings * cmd)480 nfp_net_get_link_ksettings(struct net_device *netdev,
481 struct ethtool_link_ksettings *cmd)
482 {
483 struct nfp_eth_table_port *eth_port;
484 struct nfp_port *port;
485 struct nfp_net *nn;
486 unsigned int speed;
487 u16 sts;
488
489 /* Init to unknowns */
490 ethtool_link_ksettings_zero_link_mode(cmd, supported);
491 ethtool_link_ksettings_zero_link_mode(cmd, advertising);
492 ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
493 cmd->base.port = PORT_OTHER;
494 cmd->base.speed = SPEED_UNKNOWN;
495 cmd->base.duplex = DUPLEX_UNKNOWN;
496
497 port = nfp_port_from_netdev(netdev);
498 eth_port = nfp_port_get_eth_port(port);
499 if (eth_port) {
500 ethtool_link_ksettings_add_link_mode(cmd, supported, Pause);
501 ethtool_link_ksettings_add_link_mode(cmd, advertising, Pause);
502 nfp_add_media_link_mode(port, eth_port, cmd);
503 if (eth_port->supp_aneg) {
504 ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg);
505 if (eth_port->aneg == NFP_ANEG_AUTO) {
506 ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg);
507 cmd->base.autoneg = AUTONEG_ENABLE;
508 }
509 }
510 nfp_net_set_fec_link_mode(eth_port, cmd);
511 }
512
513 if (!netif_carrier_ok(netdev))
514 return 0;
515
516 /* Use link speed from ETH table if available, otherwise try the BAR */
517 if (eth_port) {
518 cmd->base.port = eth_port->port_type;
519 cmd->base.speed = eth_port->speed;
520 cmd->base.duplex = DUPLEX_FULL;
521 return 0;
522 }
523
524 if (!nfp_netdev_is_nfp_net(netdev))
525 return -EOPNOTSUPP;
526 nn = netdev_priv(netdev);
527
528 sts = nn_readw(nn, NFP_NET_CFG_STS);
529 speed = nfp_net_lr2speed(FIELD_GET(NFP_NET_CFG_STS_LINK_RATE, sts));
530 if (!speed)
531 return -EOPNOTSUPP;
532
533 if (speed != SPEED_UNKNOWN) {
534 cmd->base.speed = speed;
535 cmd->base.duplex = DUPLEX_FULL;
536 }
537
538 return 0;
539 }
540
541 static int
nfp_net_set_link_ksettings(struct net_device * netdev,const struct ethtool_link_ksettings * cmd)542 nfp_net_set_link_ksettings(struct net_device *netdev,
543 const struct ethtool_link_ksettings *cmd)
544 {
545 bool req_aneg = (cmd->base.autoneg == AUTONEG_ENABLE);
546 struct nfp_eth_table_port *eth_port;
547 struct nfp_port *port;
548 struct nfp_nsp *nsp;
549 int err;
550
551 port = nfp_port_from_netdev(netdev);
552 eth_port = __nfp_port_get_eth_port(port);
553 if (!eth_port)
554 return -EOPNOTSUPP;
555
556 if (netif_running(netdev)) {
557 netdev_warn(netdev, "Changing settings not allowed on an active interface. It may cause the port to be disabled until driver reload.\n");
558 return -EBUSY;
559 }
560
561 nsp = nfp_eth_config_start(port->app->cpp, eth_port->index);
562 if (IS_ERR(nsp))
563 return PTR_ERR(nsp);
564
565 if (req_aneg && !eth_port->supp_aneg) {
566 netdev_warn(netdev, "Autoneg is not supported.\n");
567 err = -EOPNOTSUPP;
568 goto err_bad_set;
569 }
570
571 err = __nfp_eth_set_aneg(nsp, req_aneg ? NFP_ANEG_AUTO : NFP_ANEG_DISABLED);
572 if (err)
573 goto err_bad_set;
574
575 if (cmd->base.speed != SPEED_UNKNOWN) {
576 u32 speed = cmd->base.speed / eth_port->lanes;
577 bool is_supported = false;
578
579 for (u32 i = 0; i < NFP_SUP_SPEED_NUMBER; i++) {
580 if (cmd->base.speed == nfp_eth_speed_map[i] &&
581 test_bit(i, port->speed_bitmap)) {
582 is_supported = true;
583 break;
584 }
585 }
586
587 if (!is_supported) {
588 netdev_err(netdev, "Speed %u is not supported.\n",
589 cmd->base.speed);
590 err = -EINVAL;
591 goto err_bad_set;
592 }
593
594 if (req_aneg) {
595 netdev_err(netdev, "Speed changing is not allowed when working on autoneg mode.\n");
596 err = -EINVAL;
597 goto err_bad_set;
598 }
599
600 err = __nfp_eth_set_speed(nsp, speed);
601 if (err)
602 goto err_bad_set;
603 }
604
605 err = nfp_eth_config_commit_end(nsp);
606 if (err > 0)
607 return 0; /* no change */
608
609 nfp_net_refresh_port_table(port);
610
611 return err;
612
613 err_bad_set:
614 nfp_eth_config_cleanup_end(nsp);
615 return err;
616 }
617
nfp_net_get_ringparam(struct net_device * netdev,struct ethtool_ringparam * ring,struct kernel_ethtool_ringparam * kernel_ring,struct netlink_ext_ack * extack)618 static void nfp_net_get_ringparam(struct net_device *netdev,
619 struct ethtool_ringparam *ring,
620 struct kernel_ethtool_ringparam *kernel_ring,
621 struct netlink_ext_ack *extack)
622 {
623 struct nfp_net *nn = netdev_priv(netdev);
624 u32 qc_max = nn->dev_info->max_qc_size;
625
626 ring->rx_max_pending = qc_max;
627 ring->tx_max_pending = qc_max / nn->dp.ops->tx_min_desc_per_pkt;
628 ring->rx_pending = nn->dp.rxd_cnt;
629 ring->tx_pending = nn->dp.txd_cnt;
630 }
631
nfp_net_set_ring_size(struct nfp_net * nn,u32 rxd_cnt,u32 txd_cnt)632 static int nfp_net_set_ring_size(struct nfp_net *nn, u32 rxd_cnt, u32 txd_cnt)
633 {
634 struct nfp_net_dp *dp;
635
636 dp = nfp_net_clone_dp(nn);
637 if (!dp)
638 return -ENOMEM;
639
640 dp->rxd_cnt = rxd_cnt;
641 dp->txd_cnt = txd_cnt;
642
643 return nfp_net_ring_reconfig(nn, dp, NULL);
644 }
645
nfp_net_set_ringparam(struct net_device * netdev,struct ethtool_ringparam * ring,struct kernel_ethtool_ringparam * kernel_ring,struct netlink_ext_ack * extack)646 static int nfp_net_set_ringparam(struct net_device *netdev,
647 struct ethtool_ringparam *ring,
648 struct kernel_ethtool_ringparam *kernel_ring,
649 struct netlink_ext_ack *extack)
650 {
651 u32 tx_dpp, qc_min, qc_max, rxd_cnt, txd_cnt;
652 struct nfp_net *nn = netdev_priv(netdev);
653
654 /* We don't have separate queues/rings for small/large frames. */
655 if (ring->rx_mini_pending || ring->rx_jumbo_pending)
656 return -EINVAL;
657
658 qc_min = nn->dev_info->min_qc_size;
659 qc_max = nn->dev_info->max_qc_size;
660 tx_dpp = nn->dp.ops->tx_min_desc_per_pkt;
661 /* Round up to supported values */
662 rxd_cnt = roundup_pow_of_two(ring->rx_pending);
663 txd_cnt = roundup_pow_of_two(ring->tx_pending);
664
665 if (rxd_cnt < qc_min || rxd_cnt > qc_max ||
666 txd_cnt < qc_min / tx_dpp || txd_cnt > qc_max / tx_dpp)
667 return -EINVAL;
668
669 if (nn->dp.rxd_cnt == rxd_cnt && nn->dp.txd_cnt == txd_cnt)
670 return 0;
671
672 nn_dbg(nn, "Change ring size: RxQ %u->%u, TxQ %u->%u\n",
673 nn->dp.rxd_cnt, rxd_cnt, nn->dp.txd_cnt, txd_cnt);
674
675 return nfp_net_set_ring_size(nn, rxd_cnt, txd_cnt);
676 }
677
nfp_test_link(struct net_device * netdev)678 static int nfp_test_link(struct net_device *netdev)
679 {
680 if (!netif_carrier_ok(netdev) || !(netdev->flags & IFF_UP))
681 return 1;
682
683 return 0;
684 }
685
nfp_test_nsp(struct net_device * netdev)686 static int nfp_test_nsp(struct net_device *netdev)
687 {
688 struct nfp_app *app = nfp_app_from_netdev(netdev);
689 struct nfp_nsp_identify *nspi;
690 struct nfp_nsp *nsp;
691 int err;
692
693 nsp = nfp_nsp_open(app->cpp);
694 if (IS_ERR(nsp)) {
695 err = PTR_ERR(nsp);
696 netdev_info(netdev, "NSP Test: failed to access the NSP: %d\n", err);
697 goto exit;
698 }
699
700 if (nfp_nsp_get_abi_ver_minor(nsp) < 15) {
701 err = -EOPNOTSUPP;
702 goto exit_close_nsp;
703 }
704
705 nspi = kzalloc(sizeof(*nspi), GFP_KERNEL);
706 if (!nspi) {
707 err = -ENOMEM;
708 goto exit_close_nsp;
709 }
710
711 err = nfp_nsp_read_identify(nsp, nspi, sizeof(*nspi));
712 if (err < 0)
713 netdev_info(netdev, "NSP Test: reading bsp version failed %d\n", err);
714
715 kfree(nspi);
716 exit_close_nsp:
717 nfp_nsp_close(nsp);
718 exit:
719 return err;
720 }
721
nfp_test_fw(struct net_device * netdev)722 static int nfp_test_fw(struct net_device *netdev)
723 {
724 struct nfp_net *nn = netdev_priv(netdev);
725 int err;
726
727 err = nfp_net_reconfig(nn, NFP_NET_CFG_UPDATE_GEN);
728 if (err)
729 netdev_info(netdev, "FW Test: update failed %d\n", err);
730
731 return err;
732 }
733
nfp_test_reg(struct net_device * netdev)734 static int nfp_test_reg(struct net_device *netdev)
735 {
736 struct nfp_app *app = nfp_app_from_netdev(netdev);
737 struct nfp_cpp *cpp = app->cpp;
738 u32 model = nfp_cpp_model(cpp);
739 u32 value;
740 int err;
741
742 err = nfp_cpp_model_autodetect(cpp, &value);
743 if (err < 0) {
744 netdev_info(netdev, "REG Test: NFP model detection failed %d\n", err);
745 return err;
746 }
747
748 return (value == model) ? 0 : 1;
749 }
750
link_test_supported(struct net_device * netdev)751 static bool link_test_supported(struct net_device *netdev)
752 {
753 return true;
754 }
755
nsp_test_supported(struct net_device * netdev)756 static bool nsp_test_supported(struct net_device *netdev)
757 {
758 if (nfp_app_from_netdev(netdev))
759 return true;
760
761 return false;
762 }
763
fw_test_supported(struct net_device * netdev)764 static bool fw_test_supported(struct net_device *netdev)
765 {
766 if (nfp_netdev_is_nfp_net(netdev))
767 return true;
768
769 return false;
770 }
771
reg_test_supported(struct net_device * netdev)772 static bool reg_test_supported(struct net_device *netdev)
773 {
774 if (nfp_app_from_netdev(netdev))
775 return true;
776
777 return false;
778 }
779
780 static struct nfp_self_test_item {
781 char name[ETH_GSTRING_LEN];
782 bool (*is_supported)(struct net_device *dev);
783 int (*func)(struct net_device *dev);
784 } nfp_self_test[] = {
785 {"Link Test", link_test_supported, nfp_test_link},
786 {"NSP Test", nsp_test_supported, nfp_test_nsp},
787 {"Firmware Test", fw_test_supported, nfp_test_fw},
788 {"Register Test", reg_test_supported, nfp_test_reg}
789 };
790
791 #define NFP_TEST_TOTAL_NUM ARRAY_SIZE(nfp_self_test)
792
nfp_get_self_test_strings(struct net_device * netdev,u8 * data)793 static void nfp_get_self_test_strings(struct net_device *netdev, u8 *data)
794 {
795 int i;
796
797 for (i = 0; i < NFP_TEST_TOTAL_NUM; i++)
798 if (nfp_self_test[i].is_supported(netdev))
799 ethtool_sprintf(&data, nfp_self_test[i].name);
800 }
801
nfp_get_self_test_count(struct net_device * netdev)802 static int nfp_get_self_test_count(struct net_device *netdev)
803 {
804 int i, count = 0;
805
806 for (i = 0; i < NFP_TEST_TOTAL_NUM; i++)
807 if (nfp_self_test[i].is_supported(netdev))
808 count++;
809
810 return count;
811 }
812
nfp_net_self_test(struct net_device * netdev,struct ethtool_test * eth_test,u64 * data)813 static void nfp_net_self_test(struct net_device *netdev, struct ethtool_test *eth_test,
814 u64 *data)
815 {
816 int i, ret, count = 0;
817
818 netdev_info(netdev, "Start self test\n");
819
820 for (i = 0; i < NFP_TEST_TOTAL_NUM; i++) {
821 if (nfp_self_test[i].is_supported(netdev)) {
822 ret = nfp_self_test[i].func(netdev);
823 if (ret)
824 eth_test->flags |= ETH_TEST_FL_FAILED;
825 data[count++] = ret;
826 }
827 }
828
829 netdev_info(netdev, "Test end\n");
830 }
831
nfp_vnic_get_sw_stats_count(struct net_device * netdev)832 static unsigned int nfp_vnic_get_sw_stats_count(struct net_device *netdev)
833 {
834 struct nfp_net *nn = netdev_priv(netdev);
835
836 return NN_RVEC_GATHER_STATS + nn->max_r_vecs * NN_RVEC_PER_Q_STATS +
837 NN_CTRL_PATH_STATS;
838 }
839
nfp_vnic_get_sw_stats_strings(struct net_device * netdev,u8 * data)840 static u8 *nfp_vnic_get_sw_stats_strings(struct net_device *netdev, u8 *data)
841 {
842 struct nfp_net *nn = netdev_priv(netdev);
843 int i;
844
845 for (i = 0; i < nn->max_r_vecs; i++) {
846 ethtool_sprintf(&data, "rvec_%u_rx_pkts", i);
847 ethtool_sprintf(&data, "rvec_%u_tx_pkts", i);
848 ethtool_sprintf(&data, "rvec_%u_tx_busy", i);
849 }
850
851 ethtool_sprintf(&data, "hw_rx_csum_ok");
852 ethtool_sprintf(&data, "hw_rx_csum_inner_ok");
853 ethtool_sprintf(&data, "hw_rx_csum_complete");
854 ethtool_sprintf(&data, "hw_rx_csum_err");
855 ethtool_sprintf(&data, "rx_replace_buf_alloc_fail");
856 ethtool_sprintf(&data, "rx_tls_decrypted_packets");
857 ethtool_sprintf(&data, "hw_tx_csum");
858 ethtool_sprintf(&data, "hw_tx_inner_csum");
859 ethtool_sprintf(&data, "tx_gather");
860 ethtool_sprintf(&data, "tx_lso");
861 ethtool_sprintf(&data, "tx_tls_encrypted_packets");
862 ethtool_sprintf(&data, "tx_tls_ooo");
863 ethtool_sprintf(&data, "tx_tls_drop_no_sync_data");
864
865 ethtool_sprintf(&data, "hw_tls_no_space");
866 ethtool_sprintf(&data, "rx_tls_resync_req_ok");
867 ethtool_sprintf(&data, "rx_tls_resync_req_ign");
868 ethtool_sprintf(&data, "rx_tls_resync_sent");
869
870 return data;
871 }
872
nfp_vnic_get_sw_stats(struct net_device * netdev,u64 * data)873 static u64 *nfp_vnic_get_sw_stats(struct net_device *netdev, u64 *data)
874 {
875 u64 gathered_stats[NN_RVEC_GATHER_STATS] = {};
876 struct nfp_net *nn = netdev_priv(netdev);
877 u64 tmp[NN_RVEC_GATHER_STATS];
878 unsigned int i, j;
879
880 for (i = 0; i < nn->max_r_vecs; i++) {
881 unsigned int start;
882
883 do {
884 start = u64_stats_fetch_begin_irq(&nn->r_vecs[i].rx_sync);
885 data[0] = nn->r_vecs[i].rx_pkts;
886 tmp[0] = nn->r_vecs[i].hw_csum_rx_ok;
887 tmp[1] = nn->r_vecs[i].hw_csum_rx_inner_ok;
888 tmp[2] = nn->r_vecs[i].hw_csum_rx_complete;
889 tmp[3] = nn->r_vecs[i].hw_csum_rx_error;
890 tmp[4] = nn->r_vecs[i].rx_replace_buf_alloc_fail;
891 tmp[5] = nn->r_vecs[i].hw_tls_rx;
892 } while (u64_stats_fetch_retry_irq(&nn->r_vecs[i].rx_sync, start));
893
894 do {
895 start = u64_stats_fetch_begin_irq(&nn->r_vecs[i].tx_sync);
896 data[1] = nn->r_vecs[i].tx_pkts;
897 data[2] = nn->r_vecs[i].tx_busy;
898 tmp[6] = nn->r_vecs[i].hw_csum_tx;
899 tmp[7] = nn->r_vecs[i].hw_csum_tx_inner;
900 tmp[8] = nn->r_vecs[i].tx_gather;
901 tmp[9] = nn->r_vecs[i].tx_lso;
902 tmp[10] = nn->r_vecs[i].hw_tls_tx;
903 tmp[11] = nn->r_vecs[i].tls_tx_fallback;
904 tmp[12] = nn->r_vecs[i].tls_tx_no_fallback;
905 } while (u64_stats_fetch_retry_irq(&nn->r_vecs[i].tx_sync, start));
906
907 data += NN_RVEC_PER_Q_STATS;
908
909 for (j = 0; j < NN_RVEC_GATHER_STATS; j++)
910 gathered_stats[j] += tmp[j];
911 }
912
913 for (j = 0; j < NN_RVEC_GATHER_STATS; j++)
914 *data++ = gathered_stats[j];
915
916 *data++ = atomic_read(&nn->ktls_no_space);
917 *data++ = atomic_read(&nn->ktls_rx_resync_req);
918 *data++ = atomic_read(&nn->ktls_rx_resync_ign);
919 *data++ = atomic_read(&nn->ktls_rx_resync_sent);
920
921 return data;
922 }
923
nfp_vnic_get_hw_stats_count(unsigned int num_vecs)924 static unsigned int nfp_vnic_get_hw_stats_count(unsigned int num_vecs)
925 {
926 return NN_ET_GLOBAL_STATS_LEN + num_vecs * 4;
927 }
928
929 static u8 *
nfp_vnic_get_hw_stats_strings(u8 * data,unsigned int num_vecs,bool repr)930 nfp_vnic_get_hw_stats_strings(u8 *data, unsigned int num_vecs, bool repr)
931 {
932 int swap_off, i;
933
934 BUILD_BUG_ON(NN_ET_GLOBAL_STATS_LEN < NN_ET_SWITCH_STATS_LEN * 2);
935 /* If repr is true first add SWITCH_STATS_LEN and then subtract it
936 * effectively swapping the RX and TX statistics (giving us the RX
937 * and TX from perspective of the switch).
938 */
939 swap_off = repr * NN_ET_SWITCH_STATS_LEN;
940
941 for (i = 0; i < NN_ET_SWITCH_STATS_LEN; i++)
942 ethtool_sprintf(&data, nfp_net_et_stats[i + swap_off].name);
943
944 for (i = NN_ET_SWITCH_STATS_LEN; i < NN_ET_SWITCH_STATS_LEN * 2; i++)
945 ethtool_sprintf(&data, nfp_net_et_stats[i - swap_off].name);
946
947 for (i = NN_ET_SWITCH_STATS_LEN * 2; i < NN_ET_GLOBAL_STATS_LEN; i++)
948 ethtool_sprintf(&data, nfp_net_et_stats[i].name);
949
950 for (i = 0; i < num_vecs; i++) {
951 ethtool_sprintf(&data, "rxq_%u_pkts", i);
952 ethtool_sprintf(&data, "rxq_%u_bytes", i);
953 ethtool_sprintf(&data, "txq_%u_pkts", i);
954 ethtool_sprintf(&data, "txq_%u_bytes", i);
955 }
956
957 return data;
958 }
959
960 static u64 *
nfp_vnic_get_hw_stats(u64 * data,u8 __iomem * mem,unsigned int num_vecs)961 nfp_vnic_get_hw_stats(u64 *data, u8 __iomem *mem, unsigned int num_vecs)
962 {
963 unsigned int i;
964
965 for (i = 0; i < NN_ET_GLOBAL_STATS_LEN; i++)
966 *data++ = readq(mem + nfp_net_et_stats[i].off);
967
968 for (i = 0; i < num_vecs; i++) {
969 *data++ = readq(mem + NFP_NET_CFG_RXR_STATS(i));
970 *data++ = readq(mem + NFP_NET_CFG_RXR_STATS(i) + 8);
971 *data++ = readq(mem + NFP_NET_CFG_TXR_STATS(i));
972 *data++ = readq(mem + NFP_NET_CFG_TXR_STATS(i) + 8);
973 }
974
975 return data;
976 }
977
nfp_vnic_get_tlv_stats_count(struct nfp_net * nn)978 static unsigned int nfp_vnic_get_tlv_stats_count(struct nfp_net *nn)
979 {
980 return nn->tlv_caps.vnic_stats_cnt + nn->max_r_vecs * 4;
981 }
982
nfp_vnic_get_tlv_stats_strings(struct nfp_net * nn,u8 * data)983 static u8 *nfp_vnic_get_tlv_stats_strings(struct nfp_net *nn, u8 *data)
984 {
985 unsigned int i, id;
986 u8 __iomem *mem;
987 u64 id_word = 0;
988
989 mem = nn->dp.ctrl_bar + nn->tlv_caps.vnic_stats_off;
990 for (i = 0; i < nn->tlv_caps.vnic_stats_cnt; i++) {
991 if (!(i % 4))
992 id_word = readq(mem + i * 2);
993
994 id = (u16)id_word;
995 id_word >>= 16;
996
997 if (id < ARRAY_SIZE(nfp_tlv_stat_names) &&
998 nfp_tlv_stat_names[id][0]) {
999 memcpy(data, nfp_tlv_stat_names[id], ETH_GSTRING_LEN);
1000 data += ETH_GSTRING_LEN;
1001 } else {
1002 ethtool_sprintf(&data, "dev_unknown_stat%u", id);
1003 }
1004 }
1005
1006 for (i = 0; i < nn->max_r_vecs; i++) {
1007 ethtool_sprintf(&data, "rxq_%u_pkts", i);
1008 ethtool_sprintf(&data, "rxq_%u_bytes", i);
1009 ethtool_sprintf(&data, "txq_%u_pkts", i);
1010 ethtool_sprintf(&data, "txq_%u_bytes", i);
1011 }
1012
1013 return data;
1014 }
1015
nfp_vnic_get_tlv_stats(struct nfp_net * nn,u64 * data)1016 static u64 *nfp_vnic_get_tlv_stats(struct nfp_net *nn, u64 *data)
1017 {
1018 u8 __iomem *mem;
1019 unsigned int i;
1020
1021 mem = nn->dp.ctrl_bar + nn->tlv_caps.vnic_stats_off;
1022 mem += roundup(2 * nn->tlv_caps.vnic_stats_cnt, 8);
1023 for (i = 0; i < nn->tlv_caps.vnic_stats_cnt; i++)
1024 *data++ = readq(mem + i * 8);
1025
1026 mem = nn->dp.ctrl_bar;
1027 for (i = 0; i < nn->max_r_vecs; i++) {
1028 *data++ = readq(mem + NFP_NET_CFG_RXR_STATS(i));
1029 *data++ = readq(mem + NFP_NET_CFG_RXR_STATS(i) + 8);
1030 *data++ = readq(mem + NFP_NET_CFG_TXR_STATS(i));
1031 *data++ = readq(mem + NFP_NET_CFG_TXR_STATS(i) + 8);
1032 }
1033
1034 return data;
1035 }
1036
nfp_mac_get_stats_count(struct net_device * netdev)1037 static unsigned int nfp_mac_get_stats_count(struct net_device *netdev)
1038 {
1039 struct nfp_port *port;
1040
1041 port = nfp_port_from_netdev(netdev);
1042 if (!__nfp_port_get_eth_port(port) || !port->eth_stats)
1043 return 0;
1044
1045 return ARRAY_SIZE(nfp_mac_et_stats);
1046 }
1047
nfp_mac_get_stats_strings(struct net_device * netdev,u8 * data)1048 static u8 *nfp_mac_get_stats_strings(struct net_device *netdev, u8 *data)
1049 {
1050 struct nfp_port *port;
1051 unsigned int i;
1052
1053 port = nfp_port_from_netdev(netdev);
1054 if (!__nfp_port_get_eth_port(port) || !port->eth_stats)
1055 return data;
1056
1057 for (i = 0; i < ARRAY_SIZE(nfp_mac_et_stats); i++)
1058 ethtool_sprintf(&data, "mac.%s", nfp_mac_et_stats[i].name);
1059
1060 return data;
1061 }
1062
nfp_mac_get_stats(struct net_device * netdev,u64 * data)1063 static u64 *nfp_mac_get_stats(struct net_device *netdev, u64 *data)
1064 {
1065 struct nfp_port *port;
1066 unsigned int i;
1067
1068 port = nfp_port_from_netdev(netdev);
1069 if (!__nfp_port_get_eth_port(port) || !port->eth_stats)
1070 return data;
1071
1072 for (i = 0; i < ARRAY_SIZE(nfp_mac_et_stats); i++)
1073 *data++ = readq(port->eth_stats + nfp_mac_et_stats[i].off);
1074
1075 return data;
1076 }
1077
nfp_net_get_strings(struct net_device * netdev,u32 stringset,u8 * data)1078 static void nfp_net_get_strings(struct net_device *netdev,
1079 u32 stringset, u8 *data)
1080 {
1081 struct nfp_net *nn = netdev_priv(netdev);
1082
1083 switch (stringset) {
1084 case ETH_SS_STATS:
1085 data = nfp_vnic_get_sw_stats_strings(netdev, data);
1086 if (!nn->tlv_caps.vnic_stats_off)
1087 data = nfp_vnic_get_hw_stats_strings(data,
1088 nn->max_r_vecs,
1089 false);
1090 else
1091 data = nfp_vnic_get_tlv_stats_strings(nn, data);
1092 data = nfp_mac_get_stats_strings(netdev, data);
1093 data = nfp_app_port_get_stats_strings(nn->port, data);
1094 break;
1095 case ETH_SS_TEST:
1096 nfp_get_self_test_strings(netdev, data);
1097 break;
1098 }
1099 }
1100
1101 static void
nfp_net_get_stats(struct net_device * netdev,struct ethtool_stats * stats,u64 * data)1102 nfp_net_get_stats(struct net_device *netdev, struct ethtool_stats *stats,
1103 u64 *data)
1104 {
1105 struct nfp_net *nn = netdev_priv(netdev);
1106
1107 data = nfp_vnic_get_sw_stats(netdev, data);
1108 if (!nn->tlv_caps.vnic_stats_off)
1109 data = nfp_vnic_get_hw_stats(data, nn->dp.ctrl_bar,
1110 nn->max_r_vecs);
1111 else
1112 data = nfp_vnic_get_tlv_stats(nn, data);
1113 data = nfp_mac_get_stats(netdev, data);
1114 data = nfp_app_port_get_stats(nn->port, data);
1115 }
1116
nfp_net_get_sset_count(struct net_device * netdev,int sset)1117 static int nfp_net_get_sset_count(struct net_device *netdev, int sset)
1118 {
1119 struct nfp_net *nn = netdev_priv(netdev);
1120 unsigned int cnt;
1121
1122 switch (sset) {
1123 case ETH_SS_STATS:
1124 cnt = nfp_vnic_get_sw_stats_count(netdev);
1125 if (!nn->tlv_caps.vnic_stats_off)
1126 cnt += nfp_vnic_get_hw_stats_count(nn->max_r_vecs);
1127 else
1128 cnt += nfp_vnic_get_tlv_stats_count(nn);
1129 cnt += nfp_mac_get_stats_count(netdev);
1130 cnt += nfp_app_port_get_stats_count(nn->port);
1131 return cnt;
1132 case ETH_SS_TEST:
1133 return nfp_get_self_test_count(netdev);
1134 default:
1135 return -EOPNOTSUPP;
1136 }
1137 }
1138
nfp_port_get_strings(struct net_device * netdev,u32 stringset,u8 * data)1139 static void nfp_port_get_strings(struct net_device *netdev,
1140 u32 stringset, u8 *data)
1141 {
1142 struct nfp_port *port = nfp_port_from_netdev(netdev);
1143
1144 switch (stringset) {
1145 case ETH_SS_STATS:
1146 if (nfp_port_is_vnic(port))
1147 data = nfp_vnic_get_hw_stats_strings(data, 0, true);
1148 else
1149 data = nfp_mac_get_stats_strings(netdev, data);
1150 data = nfp_app_port_get_stats_strings(port, data);
1151 break;
1152 case ETH_SS_TEST:
1153 nfp_get_self_test_strings(netdev, data);
1154 break;
1155 }
1156 }
1157
1158 static void
nfp_port_get_stats(struct net_device * netdev,struct ethtool_stats * stats,u64 * data)1159 nfp_port_get_stats(struct net_device *netdev, struct ethtool_stats *stats,
1160 u64 *data)
1161 {
1162 struct nfp_port *port = nfp_port_from_netdev(netdev);
1163
1164 if (nfp_port_is_vnic(port))
1165 data = nfp_vnic_get_hw_stats(data, port->vnic, 0);
1166 else
1167 data = nfp_mac_get_stats(netdev, data);
1168 data = nfp_app_port_get_stats(port, data);
1169 }
1170
nfp_port_get_sset_count(struct net_device * netdev,int sset)1171 static int nfp_port_get_sset_count(struct net_device *netdev, int sset)
1172 {
1173 struct nfp_port *port = nfp_port_from_netdev(netdev);
1174 unsigned int count;
1175
1176 switch (sset) {
1177 case ETH_SS_STATS:
1178 if (nfp_port_is_vnic(port))
1179 count = nfp_vnic_get_hw_stats_count(0);
1180 else
1181 count = nfp_mac_get_stats_count(netdev);
1182 count += nfp_app_port_get_stats_count(port);
1183 return count;
1184 case ETH_SS_TEST:
1185 return nfp_get_self_test_count(netdev);
1186 default:
1187 return -EOPNOTSUPP;
1188 }
1189 }
1190
nfp_port_fec_ethtool_to_nsp(u32 fec)1191 static int nfp_port_fec_ethtool_to_nsp(u32 fec)
1192 {
1193 switch (fec) {
1194 case ETHTOOL_FEC_AUTO:
1195 return NFP_FEC_AUTO_BIT;
1196 case ETHTOOL_FEC_OFF:
1197 return NFP_FEC_DISABLED_BIT;
1198 case ETHTOOL_FEC_RS:
1199 return NFP_FEC_REED_SOLOMON_BIT;
1200 case ETHTOOL_FEC_BASER:
1201 return NFP_FEC_BASER_BIT;
1202 default:
1203 /* NSP only supports a single mode at a time */
1204 return -EOPNOTSUPP;
1205 }
1206 }
1207
nfp_port_fec_nsp_to_ethtool(u32 fec)1208 static u32 nfp_port_fec_nsp_to_ethtool(u32 fec)
1209 {
1210 u32 result = 0;
1211
1212 if (fec & NFP_FEC_AUTO)
1213 result |= ETHTOOL_FEC_AUTO;
1214 if (fec & NFP_FEC_BASER)
1215 result |= ETHTOOL_FEC_BASER;
1216 if (fec & NFP_FEC_REED_SOLOMON)
1217 result |= ETHTOOL_FEC_RS;
1218 if (fec & NFP_FEC_DISABLED)
1219 result |= ETHTOOL_FEC_OFF;
1220
1221 return result ?: ETHTOOL_FEC_NONE;
1222 }
1223
1224 static int
nfp_port_get_fecparam(struct net_device * netdev,struct ethtool_fecparam * param)1225 nfp_port_get_fecparam(struct net_device *netdev,
1226 struct ethtool_fecparam *param)
1227 {
1228 struct nfp_eth_table_port *eth_port;
1229 struct nfp_port *port;
1230
1231 param->active_fec = ETHTOOL_FEC_NONE;
1232 param->fec = ETHTOOL_FEC_NONE;
1233
1234 port = nfp_port_from_netdev(netdev);
1235 eth_port = nfp_port_get_eth_port(port);
1236 if (!eth_port)
1237 return -EOPNOTSUPP;
1238
1239 if (!nfp_eth_can_support_fec(eth_port))
1240 return 0;
1241
1242 param->fec = nfp_port_fec_nsp_to_ethtool(eth_port->fec_modes_supported);
1243 param->active_fec = nfp_port_fec_nsp_to_ethtool(BIT(eth_port->act_fec));
1244
1245 return 0;
1246 }
1247
1248 static int
nfp_port_set_fecparam(struct net_device * netdev,struct ethtool_fecparam * param)1249 nfp_port_set_fecparam(struct net_device *netdev,
1250 struct ethtool_fecparam *param)
1251 {
1252 struct nfp_eth_table_port *eth_port;
1253 struct nfp_port *port;
1254 int err, fec;
1255
1256 port = nfp_port_from_netdev(netdev);
1257 eth_port = nfp_port_get_eth_port(port);
1258 if (!eth_port)
1259 return -EOPNOTSUPP;
1260
1261 if (!nfp_eth_can_support_fec(eth_port))
1262 return -EOPNOTSUPP;
1263
1264 fec = nfp_port_fec_ethtool_to_nsp(param->fec);
1265 if (fec < 0)
1266 return fec;
1267
1268 err = nfp_eth_set_fec(port->app->cpp, eth_port->index, fec);
1269 if (!err)
1270 /* Only refresh if we did something */
1271 nfp_net_refresh_port_table(port);
1272
1273 return err < 0 ? err : 0;
1274 }
1275
1276 /* RX network flow classification (RSS, filters, etc)
1277 */
ethtool_flow_to_nfp_flag(u32 flow_type)1278 static u32 ethtool_flow_to_nfp_flag(u32 flow_type)
1279 {
1280 static const u32 xlate_ethtool_to_nfp[IPV6_FLOW + 1] = {
1281 [TCP_V4_FLOW] = NFP_NET_CFG_RSS_IPV4_TCP,
1282 [TCP_V6_FLOW] = NFP_NET_CFG_RSS_IPV6_TCP,
1283 [UDP_V4_FLOW] = NFP_NET_CFG_RSS_IPV4_UDP,
1284 [UDP_V6_FLOW] = NFP_NET_CFG_RSS_IPV6_UDP,
1285 [IPV4_FLOW] = NFP_NET_CFG_RSS_IPV4,
1286 [IPV6_FLOW] = NFP_NET_CFG_RSS_IPV6,
1287 };
1288
1289 if (flow_type >= ARRAY_SIZE(xlate_ethtool_to_nfp))
1290 return 0;
1291
1292 return xlate_ethtool_to_nfp[flow_type];
1293 }
1294
nfp_net_get_rss_hash_opts(struct nfp_net * nn,struct ethtool_rxnfc * cmd)1295 static int nfp_net_get_rss_hash_opts(struct nfp_net *nn,
1296 struct ethtool_rxnfc *cmd)
1297 {
1298 u32 nfp_rss_flag;
1299
1300 cmd->data = 0;
1301
1302 if (!(nn->cap & NFP_NET_CFG_CTRL_RSS_ANY))
1303 return -EOPNOTSUPP;
1304
1305 nfp_rss_flag = ethtool_flow_to_nfp_flag(cmd->flow_type);
1306 if (!nfp_rss_flag)
1307 return -EINVAL;
1308
1309 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1310 if (nn->rss_cfg & nfp_rss_flag)
1311 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1312
1313 return 0;
1314 }
1315
nfp_net_get_rxnfc(struct net_device * netdev,struct ethtool_rxnfc * cmd,u32 * rule_locs)1316 static int nfp_net_get_rxnfc(struct net_device *netdev,
1317 struct ethtool_rxnfc *cmd, u32 *rule_locs)
1318 {
1319 struct nfp_net *nn = netdev_priv(netdev);
1320
1321 switch (cmd->cmd) {
1322 case ETHTOOL_GRXRINGS:
1323 cmd->data = nn->dp.num_rx_rings;
1324 return 0;
1325 case ETHTOOL_GRXFH:
1326 return nfp_net_get_rss_hash_opts(nn, cmd);
1327 default:
1328 return -EOPNOTSUPP;
1329 }
1330 }
1331
nfp_net_set_rss_hash_opt(struct nfp_net * nn,struct ethtool_rxnfc * nfc)1332 static int nfp_net_set_rss_hash_opt(struct nfp_net *nn,
1333 struct ethtool_rxnfc *nfc)
1334 {
1335 u32 new_rss_cfg = nn->rss_cfg;
1336 u32 nfp_rss_flag;
1337 int err;
1338
1339 if (!(nn->cap & NFP_NET_CFG_CTRL_RSS_ANY))
1340 return -EOPNOTSUPP;
1341
1342 /* RSS only supports IP SA/DA and L4 src/dst ports */
1343 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
1344 RXH_L4_B_0_1 | RXH_L4_B_2_3))
1345 return -EINVAL;
1346
1347 /* We need at least the IP SA/DA fields for hashing */
1348 if (!(nfc->data & RXH_IP_SRC) ||
1349 !(nfc->data & RXH_IP_DST))
1350 return -EINVAL;
1351
1352 nfp_rss_flag = ethtool_flow_to_nfp_flag(nfc->flow_type);
1353 if (!nfp_rss_flag)
1354 return -EINVAL;
1355
1356 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
1357 case 0:
1358 new_rss_cfg &= ~nfp_rss_flag;
1359 break;
1360 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
1361 new_rss_cfg |= nfp_rss_flag;
1362 break;
1363 default:
1364 return -EINVAL;
1365 }
1366
1367 new_rss_cfg |= FIELD_PREP(NFP_NET_CFG_RSS_HFUNC, nn->rss_hfunc);
1368 new_rss_cfg |= NFP_NET_CFG_RSS_MASK;
1369
1370 if (new_rss_cfg == nn->rss_cfg)
1371 return 0;
1372
1373 writel(new_rss_cfg, nn->dp.ctrl_bar + NFP_NET_CFG_RSS_CTRL);
1374 err = nfp_net_reconfig(nn, NFP_NET_CFG_UPDATE_RSS);
1375 if (err)
1376 return err;
1377
1378 nn->rss_cfg = new_rss_cfg;
1379
1380 nn_dbg(nn, "Changed RSS config to 0x%x\n", nn->rss_cfg);
1381 return 0;
1382 }
1383
nfp_net_set_rxnfc(struct net_device * netdev,struct ethtool_rxnfc * cmd)1384 static int nfp_net_set_rxnfc(struct net_device *netdev,
1385 struct ethtool_rxnfc *cmd)
1386 {
1387 struct nfp_net *nn = netdev_priv(netdev);
1388
1389 switch (cmd->cmd) {
1390 case ETHTOOL_SRXFH:
1391 return nfp_net_set_rss_hash_opt(nn, cmd);
1392 default:
1393 return -EOPNOTSUPP;
1394 }
1395 }
1396
nfp_net_get_rxfh_indir_size(struct net_device * netdev)1397 static u32 nfp_net_get_rxfh_indir_size(struct net_device *netdev)
1398 {
1399 struct nfp_net *nn = netdev_priv(netdev);
1400
1401 if (!(nn->cap & NFP_NET_CFG_CTRL_RSS_ANY))
1402 return 0;
1403
1404 return ARRAY_SIZE(nn->rss_itbl);
1405 }
1406
nfp_net_get_rxfh_key_size(struct net_device * netdev)1407 static u32 nfp_net_get_rxfh_key_size(struct net_device *netdev)
1408 {
1409 struct nfp_net *nn = netdev_priv(netdev);
1410
1411 if (!(nn->cap & NFP_NET_CFG_CTRL_RSS_ANY))
1412 return -EOPNOTSUPP;
1413
1414 return nfp_net_rss_key_sz(nn);
1415 }
1416
nfp_net_get_rxfh(struct net_device * netdev,u32 * indir,u8 * key,u8 * hfunc)1417 static int nfp_net_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
1418 u8 *hfunc)
1419 {
1420 struct nfp_net *nn = netdev_priv(netdev);
1421 int i;
1422
1423 if (!(nn->cap & NFP_NET_CFG_CTRL_RSS_ANY))
1424 return -EOPNOTSUPP;
1425
1426 if (indir)
1427 for (i = 0; i < ARRAY_SIZE(nn->rss_itbl); i++)
1428 indir[i] = nn->rss_itbl[i];
1429 if (key)
1430 memcpy(key, nn->rss_key, nfp_net_rss_key_sz(nn));
1431 if (hfunc) {
1432 *hfunc = nn->rss_hfunc;
1433 if (*hfunc >= 1 << ETH_RSS_HASH_FUNCS_COUNT)
1434 *hfunc = ETH_RSS_HASH_UNKNOWN;
1435 }
1436
1437 return 0;
1438 }
1439
nfp_net_set_rxfh(struct net_device * netdev,const u32 * indir,const u8 * key,const u8 hfunc)1440 static int nfp_net_set_rxfh(struct net_device *netdev,
1441 const u32 *indir, const u8 *key,
1442 const u8 hfunc)
1443 {
1444 struct nfp_net *nn = netdev_priv(netdev);
1445 int i;
1446
1447 if (!(nn->cap & NFP_NET_CFG_CTRL_RSS_ANY) ||
1448 !(hfunc == ETH_RSS_HASH_NO_CHANGE || hfunc == nn->rss_hfunc))
1449 return -EOPNOTSUPP;
1450
1451 if (!key && !indir)
1452 return 0;
1453
1454 if (key) {
1455 memcpy(nn->rss_key, key, nfp_net_rss_key_sz(nn));
1456 nfp_net_rss_write_key(nn);
1457 }
1458 if (indir) {
1459 for (i = 0; i < ARRAY_SIZE(nn->rss_itbl); i++)
1460 nn->rss_itbl[i] = indir[i];
1461
1462 nfp_net_rss_write_itbl(nn);
1463 }
1464
1465 return nfp_net_reconfig(nn, NFP_NET_CFG_UPDATE_RSS);
1466 }
1467
1468 /* Dump BAR registers
1469 */
nfp_net_get_regs_len(struct net_device * netdev)1470 static int nfp_net_get_regs_len(struct net_device *netdev)
1471 {
1472 return NFP_NET_CFG_BAR_SZ;
1473 }
1474
nfp_net_get_regs(struct net_device * netdev,struct ethtool_regs * regs,void * p)1475 static void nfp_net_get_regs(struct net_device *netdev,
1476 struct ethtool_regs *regs, void *p)
1477 {
1478 struct nfp_net *nn = netdev_priv(netdev);
1479 u32 *regs_buf = p;
1480 int i;
1481
1482 regs->version = nn_readl(nn, NFP_NET_CFG_VERSION);
1483
1484 for (i = 0; i < NFP_NET_CFG_BAR_SZ / sizeof(u32); i++)
1485 regs_buf[i] = readl(nn->dp.ctrl_bar + (i * sizeof(u32)));
1486 }
1487
nfp_net_get_coalesce(struct net_device * netdev,struct ethtool_coalesce * ec,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)1488 static int nfp_net_get_coalesce(struct net_device *netdev,
1489 struct ethtool_coalesce *ec,
1490 struct kernel_ethtool_coalesce *kernel_coal,
1491 struct netlink_ext_ack *extack)
1492 {
1493 struct nfp_net *nn = netdev_priv(netdev);
1494
1495 if (!(nn->cap & NFP_NET_CFG_CTRL_IRQMOD))
1496 return -EINVAL;
1497
1498 ec->use_adaptive_rx_coalesce = nn->rx_coalesce_adapt_on;
1499 ec->use_adaptive_tx_coalesce = nn->tx_coalesce_adapt_on;
1500
1501 ec->rx_coalesce_usecs = nn->rx_coalesce_usecs;
1502 ec->rx_max_coalesced_frames = nn->rx_coalesce_max_frames;
1503 ec->tx_coalesce_usecs = nn->tx_coalesce_usecs;
1504 ec->tx_max_coalesced_frames = nn->tx_coalesce_max_frames;
1505
1506 return 0;
1507 }
1508
1509 /* Other debug dumps
1510 */
1511 static int
nfp_dump_nsp_diag(struct nfp_app * app,struct ethtool_dump * dump,void * buffer)1512 nfp_dump_nsp_diag(struct nfp_app *app, struct ethtool_dump *dump, void *buffer)
1513 {
1514 struct nfp_resource *res;
1515 int ret;
1516
1517 if (!app)
1518 return -EOPNOTSUPP;
1519
1520 dump->version = 1;
1521 dump->flag = NFP_DUMP_NSP_DIAG;
1522
1523 res = nfp_resource_acquire(app->cpp, NFP_RESOURCE_NSP_DIAG);
1524 if (IS_ERR(res))
1525 return PTR_ERR(res);
1526
1527 if (buffer) {
1528 if (dump->len != nfp_resource_size(res)) {
1529 ret = -EINVAL;
1530 goto exit_release;
1531 }
1532
1533 ret = nfp_cpp_read(app->cpp, nfp_resource_cpp_id(res),
1534 nfp_resource_address(res),
1535 buffer, dump->len);
1536 if (ret != dump->len)
1537 ret = ret < 0 ? ret : -EIO;
1538 else
1539 ret = 0;
1540 } else {
1541 dump->len = nfp_resource_size(res);
1542 ret = 0;
1543 }
1544 exit_release:
1545 nfp_resource_release(res);
1546
1547 return ret;
1548 }
1549
1550 /* Set the dump flag/level. Calculate the dump length for flag > 0 only (new TLV
1551 * based dumps), since flag 0 (default) calculates the length in
1552 * nfp_app_get_dump_flag(), and we need to support triggering a level 0 dump
1553 * without setting the flag first, for backward compatibility.
1554 */
nfp_app_set_dump(struct net_device * netdev,struct ethtool_dump * val)1555 static int nfp_app_set_dump(struct net_device *netdev, struct ethtool_dump *val)
1556 {
1557 struct nfp_app *app = nfp_app_from_netdev(netdev);
1558 s64 len;
1559
1560 if (!app)
1561 return -EOPNOTSUPP;
1562
1563 if (val->flag == NFP_DUMP_NSP_DIAG) {
1564 app->pf->dump_flag = val->flag;
1565 return 0;
1566 }
1567
1568 if (!app->pf->dumpspec)
1569 return -EOPNOTSUPP;
1570
1571 len = nfp_net_dump_calculate_size(app->pf, app->pf->dumpspec,
1572 val->flag);
1573 if (len < 0)
1574 return len;
1575
1576 app->pf->dump_flag = val->flag;
1577 app->pf->dump_len = len;
1578
1579 return 0;
1580 }
1581
1582 static int
nfp_app_get_dump_flag(struct net_device * netdev,struct ethtool_dump * dump)1583 nfp_app_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump)
1584 {
1585 struct nfp_app *app = nfp_app_from_netdev(netdev);
1586
1587 if (!app)
1588 return -EOPNOTSUPP;
1589
1590 if (app->pf->dump_flag == NFP_DUMP_NSP_DIAG)
1591 return nfp_dump_nsp_diag(app, dump, NULL);
1592
1593 dump->flag = app->pf->dump_flag;
1594 dump->len = app->pf->dump_len;
1595
1596 return 0;
1597 }
1598
1599 static int
nfp_app_get_dump_data(struct net_device * netdev,struct ethtool_dump * dump,void * buffer)1600 nfp_app_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
1601 void *buffer)
1602 {
1603 struct nfp_app *app = nfp_app_from_netdev(netdev);
1604
1605 if (!app)
1606 return -EOPNOTSUPP;
1607
1608 if (app->pf->dump_flag == NFP_DUMP_NSP_DIAG)
1609 return nfp_dump_nsp_diag(app, dump, buffer);
1610
1611 dump->flag = app->pf->dump_flag;
1612 dump->len = app->pf->dump_len;
1613
1614 return nfp_net_dump_populate_buffer(app->pf, app->pf->dumpspec, dump,
1615 buffer);
1616 }
1617
1618 static int
nfp_port_get_module_info(struct net_device * netdev,struct ethtool_modinfo * modinfo)1619 nfp_port_get_module_info(struct net_device *netdev,
1620 struct ethtool_modinfo *modinfo)
1621 {
1622 struct nfp_eth_table_port *eth_port;
1623 struct nfp_port *port;
1624 unsigned int read_len;
1625 struct nfp_nsp *nsp;
1626 int err = 0;
1627 u8 data;
1628
1629 port = nfp_port_from_netdev(netdev);
1630 if (!port)
1631 return -EOPNOTSUPP;
1632
1633 /* update port state to get latest interface */
1634 set_bit(NFP_PORT_CHANGED, &port->flags);
1635 eth_port = nfp_port_get_eth_port(port);
1636 if (!eth_port)
1637 return -EOPNOTSUPP;
1638
1639 nsp = nfp_nsp_open(port->app->cpp);
1640 if (IS_ERR(nsp)) {
1641 err = PTR_ERR(nsp);
1642 netdev_err(netdev, "Failed to access the NSP: %d\n", err);
1643 return err;
1644 }
1645
1646 if (!nfp_nsp_has_read_module_eeprom(nsp)) {
1647 netdev_info(netdev, "reading module EEPROM not supported. Please update flash\n");
1648 err = -EOPNOTSUPP;
1649 goto exit_close_nsp;
1650 }
1651
1652 switch (eth_port->interface) {
1653 case NFP_INTERFACE_SFP:
1654 case NFP_INTERFACE_SFP28:
1655 err = nfp_nsp_read_module_eeprom(nsp, eth_port->eth_index,
1656 SFP_SFF8472_COMPLIANCE, &data,
1657 1, &read_len);
1658 if (err < 0)
1659 goto exit_close_nsp;
1660
1661 if (!data) {
1662 modinfo->type = ETH_MODULE_SFF_8079;
1663 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
1664 } else {
1665 modinfo->type = ETH_MODULE_SFF_8472;
1666 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1667 }
1668 break;
1669 case NFP_INTERFACE_QSFP:
1670 err = nfp_nsp_read_module_eeprom(nsp, eth_port->eth_index,
1671 SFP_SFF_REV_COMPLIANCE, &data,
1672 1, &read_len);
1673 if (err < 0)
1674 goto exit_close_nsp;
1675
1676 if (data < 0x3) {
1677 modinfo->type = ETH_MODULE_SFF_8436;
1678 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
1679 } else {
1680 modinfo->type = ETH_MODULE_SFF_8636;
1681 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
1682 }
1683 break;
1684 case NFP_INTERFACE_QSFP28:
1685 modinfo->type = ETH_MODULE_SFF_8636;
1686 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
1687 break;
1688 default:
1689 netdev_err(netdev, "Unsupported module 0x%x detected\n",
1690 eth_port->interface);
1691 err = -EINVAL;
1692 }
1693
1694 exit_close_nsp:
1695 nfp_nsp_close(nsp);
1696 return err;
1697 }
1698
1699 static int
nfp_port_get_module_eeprom(struct net_device * netdev,struct ethtool_eeprom * eeprom,u8 * data)1700 nfp_port_get_module_eeprom(struct net_device *netdev,
1701 struct ethtool_eeprom *eeprom, u8 *data)
1702 {
1703 struct nfp_eth_table_port *eth_port;
1704 struct nfp_port *port;
1705 struct nfp_nsp *nsp;
1706 int err;
1707
1708 port = nfp_port_from_netdev(netdev);
1709 eth_port = __nfp_port_get_eth_port(port);
1710 if (!eth_port)
1711 return -EOPNOTSUPP;
1712
1713 nsp = nfp_nsp_open(port->app->cpp);
1714 if (IS_ERR(nsp)) {
1715 err = PTR_ERR(nsp);
1716 netdev_err(netdev, "Failed to access the NSP: %d\n", err);
1717 return err;
1718 }
1719
1720 if (!nfp_nsp_has_read_module_eeprom(nsp)) {
1721 netdev_info(netdev, "reading module EEPROM not supported. Please update flash\n");
1722 err = -EOPNOTSUPP;
1723 goto exit_close_nsp;
1724 }
1725
1726 err = nfp_nsp_read_module_eeprom(nsp, eth_port->eth_index,
1727 eeprom->offset, data, eeprom->len,
1728 &eeprom->len);
1729 if (err < 0) {
1730 if (eeprom->len) {
1731 netdev_warn(netdev,
1732 "Incomplete read from module EEPROM: %d\n",
1733 err);
1734 err = 0;
1735 } else {
1736 netdev_err(netdev,
1737 "Reading from module EEPROM failed: %d\n",
1738 err);
1739 }
1740 }
1741
1742 exit_close_nsp:
1743 nfp_nsp_close(nsp);
1744 return err;
1745 }
1746
nfp_net_set_coalesce(struct net_device * netdev,struct ethtool_coalesce * ec,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)1747 static int nfp_net_set_coalesce(struct net_device *netdev,
1748 struct ethtool_coalesce *ec,
1749 struct kernel_ethtool_coalesce *kernel_coal,
1750 struct netlink_ext_ack *extack)
1751 {
1752 struct nfp_net *nn = netdev_priv(netdev);
1753 unsigned int factor;
1754
1755 /* Compute factor used to convert coalesce '_usecs' parameters to
1756 * ME timestamp ticks. There are 16 ME clock cycles for each timestamp
1757 * count.
1758 */
1759 factor = nn->tlv_caps.me_freq_mhz / 16;
1760
1761 /* Each pair of (usecs, max_frames) fields specifies that interrupts
1762 * should be coalesced until
1763 * (usecs > 0 && time_since_first_completion >= usecs) ||
1764 * (max_frames > 0 && completed_frames >= max_frames)
1765 *
1766 * It is illegal to set both usecs and max_frames to zero as this would
1767 * cause interrupts to never be generated. To disable coalescing, set
1768 * usecs = 0 and max_frames = 1.
1769 *
1770 * Some implementations ignore the value of max_frames and use the
1771 * condition time_since_first_completion >= usecs
1772 */
1773
1774 if (!(nn->cap & NFP_NET_CFG_CTRL_IRQMOD))
1775 return -EINVAL;
1776
1777 /* ensure valid configuration */
1778 if (!ec->rx_coalesce_usecs && !ec->rx_max_coalesced_frames)
1779 return -EINVAL;
1780
1781 if (!ec->tx_coalesce_usecs && !ec->tx_max_coalesced_frames)
1782 return -EINVAL;
1783
1784 if (nfp_net_coalesce_para_check(ec->rx_coalesce_usecs * factor,
1785 ec->rx_max_coalesced_frames))
1786 return -EINVAL;
1787
1788 if (nfp_net_coalesce_para_check(ec->tx_coalesce_usecs * factor,
1789 ec->tx_max_coalesced_frames))
1790 return -EINVAL;
1791
1792 /* configuration is valid */
1793 nn->rx_coalesce_adapt_on = !!ec->use_adaptive_rx_coalesce;
1794 nn->tx_coalesce_adapt_on = !!ec->use_adaptive_tx_coalesce;
1795
1796 nn->rx_coalesce_usecs = ec->rx_coalesce_usecs;
1797 nn->rx_coalesce_max_frames = ec->rx_max_coalesced_frames;
1798 nn->tx_coalesce_usecs = ec->tx_coalesce_usecs;
1799 nn->tx_coalesce_max_frames = ec->tx_max_coalesced_frames;
1800
1801 /* write configuration to device */
1802 nfp_net_coalesce_write_cfg(nn);
1803 return nfp_net_reconfig(nn, NFP_NET_CFG_UPDATE_IRQMOD);
1804 }
1805
nfp_net_get_channels(struct net_device * netdev,struct ethtool_channels * channel)1806 static void nfp_net_get_channels(struct net_device *netdev,
1807 struct ethtool_channels *channel)
1808 {
1809 struct nfp_net *nn = netdev_priv(netdev);
1810 unsigned int num_tx_rings;
1811
1812 num_tx_rings = nn->dp.num_tx_rings;
1813 if (nn->dp.xdp_prog)
1814 num_tx_rings -= nn->dp.num_rx_rings;
1815
1816 channel->max_rx = min(nn->max_rx_rings, nn->max_r_vecs);
1817 channel->max_tx = min(nn->max_tx_rings, nn->max_r_vecs);
1818 channel->max_combined = min(channel->max_rx, channel->max_tx);
1819 channel->max_other = NFP_NET_NON_Q_VECTORS;
1820 channel->combined_count = min(nn->dp.num_rx_rings, num_tx_rings);
1821 channel->rx_count = nn->dp.num_rx_rings - channel->combined_count;
1822 channel->tx_count = num_tx_rings - channel->combined_count;
1823 channel->other_count = NFP_NET_NON_Q_VECTORS;
1824 }
1825
nfp_net_set_num_rings(struct nfp_net * nn,unsigned int total_rx,unsigned int total_tx)1826 static int nfp_net_set_num_rings(struct nfp_net *nn, unsigned int total_rx,
1827 unsigned int total_tx)
1828 {
1829 struct nfp_net_dp *dp;
1830
1831 dp = nfp_net_clone_dp(nn);
1832 if (!dp)
1833 return -ENOMEM;
1834
1835 dp->num_rx_rings = total_rx;
1836 dp->num_tx_rings = total_tx;
1837 /* nfp_net_check_config() will catch num_tx_rings > nn->max_tx_rings */
1838 if (dp->xdp_prog)
1839 dp->num_tx_rings += total_rx;
1840
1841 return nfp_net_ring_reconfig(nn, dp, NULL);
1842 }
1843
nfp_net_set_channels(struct net_device * netdev,struct ethtool_channels * channel)1844 static int nfp_net_set_channels(struct net_device *netdev,
1845 struct ethtool_channels *channel)
1846 {
1847 struct nfp_net *nn = netdev_priv(netdev);
1848 unsigned int total_rx, total_tx;
1849
1850 /* Reject unsupported */
1851 if (channel->other_count != NFP_NET_NON_Q_VECTORS ||
1852 (channel->rx_count && channel->tx_count))
1853 return -EINVAL;
1854
1855 total_rx = channel->combined_count + channel->rx_count;
1856 total_tx = channel->combined_count + channel->tx_count;
1857
1858 if (total_rx > min(nn->max_rx_rings, nn->max_r_vecs) ||
1859 total_tx > min(nn->max_tx_rings, nn->max_r_vecs))
1860 return -EINVAL;
1861
1862 return nfp_net_set_num_rings(nn, total_rx, total_tx);
1863 }
1864
nfp_port_get_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)1865 static void nfp_port_get_pauseparam(struct net_device *netdev,
1866 struct ethtool_pauseparam *pause)
1867 {
1868 struct nfp_eth_table_port *eth_port;
1869 struct nfp_port *port;
1870
1871 port = nfp_port_from_netdev(netdev);
1872 eth_port = nfp_port_get_eth_port(port);
1873 if (!eth_port)
1874 return;
1875
1876 /* Currently pause frame support is fixed */
1877 pause->autoneg = AUTONEG_DISABLE;
1878 pause->rx_pause = 1;
1879 pause->tx_pause = 1;
1880 }
1881
nfp_net_set_phys_id(struct net_device * netdev,enum ethtool_phys_id_state state)1882 static int nfp_net_set_phys_id(struct net_device *netdev,
1883 enum ethtool_phys_id_state state)
1884 {
1885 struct nfp_eth_table_port *eth_port;
1886 struct nfp_port *port;
1887 int err;
1888
1889 port = nfp_port_from_netdev(netdev);
1890 eth_port = __nfp_port_get_eth_port(port);
1891 if (!eth_port)
1892 return -EOPNOTSUPP;
1893
1894 switch (state) {
1895 case ETHTOOL_ID_ACTIVE:
1896 /* Control LED to blink */
1897 err = nfp_eth_set_idmode(port->app->cpp, eth_port->index, 1);
1898 break;
1899
1900 case ETHTOOL_ID_INACTIVE:
1901 /* Control LED to normal mode */
1902 err = nfp_eth_set_idmode(port->app->cpp, eth_port->index, 0);
1903 break;
1904
1905 case ETHTOOL_ID_ON:
1906 case ETHTOOL_ID_OFF:
1907 default:
1908 return -EOPNOTSUPP;
1909 }
1910
1911 return err;
1912 }
1913
1914 #define NFP_EEPROM_LEN ETH_ALEN
1915
1916 static int
nfp_net_get_eeprom_len(struct net_device * netdev)1917 nfp_net_get_eeprom_len(struct net_device *netdev)
1918 {
1919 struct nfp_eth_table_port *eth_port;
1920 struct nfp_port *port;
1921
1922 port = nfp_port_from_netdev(netdev);
1923 eth_port = __nfp_port_get_eth_port(port);
1924 if (!eth_port)
1925 return 0;
1926
1927 return NFP_EEPROM_LEN;
1928 }
1929
1930 static int
nfp_net_get_nsp_hwindex(struct net_device * netdev,struct nfp_nsp ** nspptr,u32 * index)1931 nfp_net_get_nsp_hwindex(struct net_device *netdev,
1932 struct nfp_nsp **nspptr,
1933 u32 *index)
1934 {
1935 struct nfp_eth_table_port *eth_port;
1936 struct nfp_port *port;
1937 struct nfp_nsp *nsp;
1938 int err;
1939
1940 port = nfp_port_from_netdev(netdev);
1941 eth_port = __nfp_port_get_eth_port(port);
1942 if (!eth_port)
1943 return -EOPNOTSUPP;
1944
1945 nsp = nfp_nsp_open(port->app->cpp);
1946 if (IS_ERR(nsp)) {
1947 err = PTR_ERR(nsp);
1948 netdev_err(netdev, "Failed to access the NSP: %d\n", err);
1949 return err;
1950 }
1951
1952 if (!nfp_nsp_has_hwinfo_lookup(nsp)) {
1953 netdev_err(netdev, "NSP doesn't support PF MAC generation\n");
1954 nfp_nsp_close(nsp);
1955 return -EOPNOTSUPP;
1956 }
1957
1958 *nspptr = nsp;
1959 *index = eth_port->eth_index;
1960
1961 return 0;
1962 }
1963
1964 static int
nfp_net_get_port_mac_by_hwinfo(struct net_device * netdev,u8 * mac_addr)1965 nfp_net_get_port_mac_by_hwinfo(struct net_device *netdev,
1966 u8 *mac_addr)
1967 {
1968 char hwinfo[32] = {};
1969 struct nfp_nsp *nsp;
1970 u32 index;
1971 int err;
1972
1973 err = nfp_net_get_nsp_hwindex(netdev, &nsp, &index);
1974 if (err)
1975 return err;
1976
1977 snprintf(hwinfo, sizeof(hwinfo), "eth%u.mac", index);
1978 err = nfp_nsp_hwinfo_lookup(nsp, hwinfo, sizeof(hwinfo));
1979 nfp_nsp_close(nsp);
1980 if (err) {
1981 netdev_err(netdev, "Reading persistent MAC address failed: %d\n",
1982 err);
1983 return -EOPNOTSUPP;
1984 }
1985
1986 if (sscanf(hwinfo, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
1987 &mac_addr[0], &mac_addr[1], &mac_addr[2],
1988 &mac_addr[3], &mac_addr[4], &mac_addr[5]) != 6) {
1989 netdev_err(netdev, "Can't parse persistent MAC address (%s)\n",
1990 hwinfo);
1991 return -EOPNOTSUPP;
1992 }
1993
1994 return 0;
1995 }
1996
1997 static int
nfp_net_set_port_mac_by_hwinfo(struct net_device * netdev,u8 * mac_addr)1998 nfp_net_set_port_mac_by_hwinfo(struct net_device *netdev,
1999 u8 *mac_addr)
2000 {
2001 char hwinfo[32] = {};
2002 struct nfp_nsp *nsp;
2003 u32 index;
2004 int err;
2005
2006 err = nfp_net_get_nsp_hwindex(netdev, &nsp, &index);
2007 if (err)
2008 return err;
2009
2010 snprintf(hwinfo, sizeof(hwinfo),
2011 "eth%u.mac=%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
2012 index, mac_addr[0], mac_addr[1], mac_addr[2], mac_addr[3],
2013 mac_addr[4], mac_addr[5]);
2014
2015 err = nfp_nsp_hwinfo_set(nsp, hwinfo, sizeof(hwinfo));
2016 nfp_nsp_close(nsp);
2017 if (err) {
2018 netdev_err(netdev, "HWinfo set failed: %d, hwinfo: %s\n",
2019 err, hwinfo);
2020 return -EOPNOTSUPP;
2021 }
2022
2023 return 0;
2024 }
2025
2026 static int
nfp_net_get_eeprom(struct net_device * netdev,struct ethtool_eeprom * eeprom,u8 * bytes)2027 nfp_net_get_eeprom(struct net_device *netdev,
2028 struct ethtool_eeprom *eeprom, u8 *bytes)
2029 {
2030 struct nfp_net *nn = netdev_priv(netdev);
2031 u8 buf[NFP_EEPROM_LEN] = {};
2032
2033 if (eeprom->len == 0)
2034 return -EINVAL;
2035
2036 if (nfp_net_get_port_mac_by_hwinfo(netdev, buf))
2037 return -EOPNOTSUPP;
2038
2039 eeprom->magic = nn->pdev->vendor | (nn->pdev->device << 16);
2040 memcpy(bytes, buf + eeprom->offset, eeprom->len);
2041
2042 return 0;
2043 }
2044
2045 static int
nfp_net_set_eeprom(struct net_device * netdev,struct ethtool_eeprom * eeprom,u8 * bytes)2046 nfp_net_set_eeprom(struct net_device *netdev,
2047 struct ethtool_eeprom *eeprom, u8 *bytes)
2048 {
2049 struct nfp_net *nn = netdev_priv(netdev);
2050 u8 buf[NFP_EEPROM_LEN] = {};
2051
2052 if (eeprom->len == 0)
2053 return -EINVAL;
2054
2055 if (eeprom->magic != (nn->pdev->vendor | nn->pdev->device << 16))
2056 return -EINVAL;
2057
2058 if (nfp_net_get_port_mac_by_hwinfo(netdev, buf))
2059 return -EOPNOTSUPP;
2060
2061 memcpy(buf + eeprom->offset, bytes, eeprom->len);
2062 if (nfp_net_set_port_mac_by_hwinfo(netdev, buf))
2063 return -EOPNOTSUPP;
2064
2065 return 0;
2066 }
2067
2068 static const struct ethtool_ops nfp_net_ethtool_ops = {
2069 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
2070 ETHTOOL_COALESCE_MAX_FRAMES |
2071 ETHTOOL_COALESCE_USE_ADAPTIVE,
2072 .get_drvinfo = nfp_net_get_drvinfo,
2073 .nway_reset = nfp_net_nway_reset,
2074 .get_link = ethtool_op_get_link,
2075 .get_ringparam = nfp_net_get_ringparam,
2076 .set_ringparam = nfp_net_set_ringparam,
2077 .self_test = nfp_net_self_test,
2078 .get_strings = nfp_net_get_strings,
2079 .get_ethtool_stats = nfp_net_get_stats,
2080 .get_sset_count = nfp_net_get_sset_count,
2081 .get_rxnfc = nfp_net_get_rxnfc,
2082 .set_rxnfc = nfp_net_set_rxnfc,
2083 .get_rxfh_indir_size = nfp_net_get_rxfh_indir_size,
2084 .get_rxfh_key_size = nfp_net_get_rxfh_key_size,
2085 .get_rxfh = nfp_net_get_rxfh,
2086 .set_rxfh = nfp_net_set_rxfh,
2087 .get_regs_len = nfp_net_get_regs_len,
2088 .get_regs = nfp_net_get_regs,
2089 .set_dump = nfp_app_set_dump,
2090 .get_dump_flag = nfp_app_get_dump_flag,
2091 .get_dump_data = nfp_app_get_dump_data,
2092 .get_eeprom_len = nfp_net_get_eeprom_len,
2093 .get_eeprom = nfp_net_get_eeprom,
2094 .set_eeprom = nfp_net_set_eeprom,
2095 .get_module_info = nfp_port_get_module_info,
2096 .get_module_eeprom = nfp_port_get_module_eeprom,
2097 .get_coalesce = nfp_net_get_coalesce,
2098 .set_coalesce = nfp_net_set_coalesce,
2099 .get_channels = nfp_net_get_channels,
2100 .set_channels = nfp_net_set_channels,
2101 .get_link_ksettings = nfp_net_get_link_ksettings,
2102 .set_link_ksettings = nfp_net_set_link_ksettings,
2103 .get_fecparam = nfp_port_get_fecparam,
2104 .set_fecparam = nfp_port_set_fecparam,
2105 .get_pauseparam = nfp_port_get_pauseparam,
2106 .set_phys_id = nfp_net_set_phys_id,
2107 };
2108
2109 const struct ethtool_ops nfp_port_ethtool_ops = {
2110 .get_drvinfo = nfp_app_get_drvinfo,
2111 .nway_reset = nfp_net_nway_reset,
2112 .get_link = ethtool_op_get_link,
2113 .get_strings = nfp_port_get_strings,
2114 .get_ethtool_stats = nfp_port_get_stats,
2115 .self_test = nfp_net_self_test,
2116 .get_sset_count = nfp_port_get_sset_count,
2117 .set_dump = nfp_app_set_dump,
2118 .get_dump_flag = nfp_app_get_dump_flag,
2119 .get_dump_data = nfp_app_get_dump_data,
2120 .get_module_info = nfp_port_get_module_info,
2121 .get_module_eeprom = nfp_port_get_module_eeprom,
2122 .get_link_ksettings = nfp_net_get_link_ksettings,
2123 .set_link_ksettings = nfp_net_set_link_ksettings,
2124 .get_fecparam = nfp_port_get_fecparam,
2125 .set_fecparam = nfp_port_set_fecparam,
2126 .get_pauseparam = nfp_port_get_pauseparam,
2127 .set_phys_id = nfp_net_set_phys_id,
2128 };
2129
nfp_net_set_ethtool_ops(struct net_device * netdev)2130 void nfp_net_set_ethtool_ops(struct net_device *netdev)
2131 {
2132 netdev->ethtool_ops = &nfp_net_ethtool_ops;
2133 }
2134