1 // SPDX-License-Identifier: GPL-2.0-only
2
3 #include <linux/ethtool_netlink.h>
4 #include <linux/net_tstamp.h>
5 #include <linux/phy.h>
6 #include <linux/rtnetlink.h>
7
8 #include "common.h"
9
10 const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] = {
11 [NETIF_F_SG_BIT] = "tx-scatter-gather",
12 [NETIF_F_IP_CSUM_BIT] = "tx-checksum-ipv4",
13 [NETIF_F_HW_CSUM_BIT] = "tx-checksum-ip-generic",
14 [NETIF_F_IPV6_CSUM_BIT] = "tx-checksum-ipv6",
15 [NETIF_F_HIGHDMA_BIT] = "highdma",
16 [NETIF_F_FRAGLIST_BIT] = "tx-scatter-gather-fraglist",
17 [NETIF_F_HW_VLAN_CTAG_TX_BIT] = "tx-vlan-hw-insert",
18
19 [NETIF_F_HW_VLAN_CTAG_RX_BIT] = "rx-vlan-hw-parse",
20 [NETIF_F_HW_VLAN_CTAG_FILTER_BIT] = "rx-vlan-filter",
21 [NETIF_F_HW_VLAN_STAG_TX_BIT] = "tx-vlan-stag-hw-insert",
22 [NETIF_F_HW_VLAN_STAG_RX_BIT] = "rx-vlan-stag-hw-parse",
23 [NETIF_F_HW_VLAN_STAG_FILTER_BIT] = "rx-vlan-stag-filter",
24 [NETIF_F_VLAN_CHALLENGED_BIT] = "vlan-challenged",
25 [NETIF_F_GSO_BIT] = "tx-generic-segmentation",
26 [NETIF_F_LLTX_BIT] = "tx-lockless",
27 [NETIF_F_NETNS_LOCAL_BIT] = "netns-local",
28 [NETIF_F_GRO_BIT] = "rx-gro",
29 [NETIF_F_GRO_HW_BIT] = "rx-gro-hw",
30 [NETIF_F_LRO_BIT] = "rx-lro",
31
32 [NETIF_F_TSO_BIT] = "tx-tcp-segmentation",
33 [NETIF_F_GSO_ROBUST_BIT] = "tx-gso-robust",
34 [NETIF_F_TSO_ECN_BIT] = "tx-tcp-ecn-segmentation",
35 [NETIF_F_TSO_MANGLEID_BIT] = "tx-tcp-mangleid-segmentation",
36 [NETIF_F_TSO6_BIT] = "tx-tcp6-segmentation",
37 [NETIF_F_FSO_BIT] = "tx-fcoe-segmentation",
38 [NETIF_F_GSO_GRE_BIT] = "tx-gre-segmentation",
39 [NETIF_F_GSO_GRE_CSUM_BIT] = "tx-gre-csum-segmentation",
40 [NETIF_F_GSO_IPXIP4_BIT] = "tx-ipxip4-segmentation",
41 [NETIF_F_GSO_IPXIP6_BIT] = "tx-ipxip6-segmentation",
42 [NETIF_F_GSO_UDP_TUNNEL_BIT] = "tx-udp_tnl-segmentation",
43 [NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT] = "tx-udp_tnl-csum-segmentation",
44 [NETIF_F_GSO_PARTIAL_BIT] = "tx-gso-partial",
45 [NETIF_F_GSO_TUNNEL_REMCSUM_BIT] = "tx-tunnel-remcsum-segmentation",
46 [NETIF_F_GSO_SCTP_BIT] = "tx-sctp-segmentation",
47 [NETIF_F_GSO_ESP_BIT] = "tx-esp-segmentation",
48 [NETIF_F_GSO_UDP_L4_BIT] = "tx-udp-segmentation",
49 [NETIF_F_GSO_FRAGLIST_BIT] = "tx-gso-list",
50
51 [NETIF_F_FCOE_CRC_BIT] = "tx-checksum-fcoe-crc",
52 [NETIF_F_SCTP_CRC_BIT] = "tx-checksum-sctp",
53 [NETIF_F_FCOE_MTU_BIT] = "fcoe-mtu",
54 [NETIF_F_NTUPLE_BIT] = "rx-ntuple-filter",
55 [NETIF_F_RXHASH_BIT] = "rx-hashing",
56 [NETIF_F_RXCSUM_BIT] = "rx-checksum",
57 [NETIF_F_NOCACHE_COPY_BIT] = "tx-nocache-copy",
58 [NETIF_F_LOOPBACK_BIT] = "loopback",
59 [NETIF_F_RXFCS_BIT] = "rx-fcs",
60 [NETIF_F_RXALL_BIT] = "rx-all",
61 [NETIF_F_HW_L2FW_DOFFLOAD_BIT] = "l2-fwd-offload",
62 [NETIF_F_HW_TC_BIT] = "hw-tc-offload",
63 [NETIF_F_HW_ESP_BIT] = "esp-hw-offload",
64 [NETIF_F_HW_ESP_TX_CSUM_BIT] = "esp-tx-csum-hw-offload",
65 [NETIF_F_RX_UDP_TUNNEL_PORT_BIT] = "rx-udp_tunnel-port-offload",
66 [NETIF_F_HW_TLS_RECORD_BIT] = "tls-hw-record",
67 [NETIF_F_HW_TLS_TX_BIT] = "tls-hw-tx-offload",
68 [NETIF_F_HW_TLS_RX_BIT] = "tls-hw-rx-offload",
69 [NETIF_F_GRO_FRAGLIST_BIT] = "rx-gro-list",
70 [NETIF_F_HW_MACSEC_BIT] = "macsec-hw-offload",
71 };
72
73 const char
74 rss_hash_func_strings[ETH_RSS_HASH_FUNCS_COUNT][ETH_GSTRING_LEN] = {
75 [ETH_RSS_HASH_TOP_BIT] = "toeplitz",
76 [ETH_RSS_HASH_XOR_BIT] = "xor",
77 [ETH_RSS_HASH_CRC32_BIT] = "crc32",
78 };
79
80 const char
81 tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
82 [ETHTOOL_ID_UNSPEC] = "Unspec",
83 [ETHTOOL_RX_COPYBREAK] = "rx-copybreak",
84 [ETHTOOL_TX_COPYBREAK] = "tx-copybreak",
85 [ETHTOOL_PFC_PREVENTION_TOUT] = "pfc-prevention-tout",
86 };
87
88 const char
89 phy_tunable_strings[__ETHTOOL_PHY_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
90 [ETHTOOL_ID_UNSPEC] = "Unspec",
91 [ETHTOOL_PHY_DOWNSHIFT] = "phy-downshift",
92 [ETHTOOL_PHY_FAST_LINK_DOWN] = "phy-fast-link-down",
93 [ETHTOOL_PHY_EDPD] = "phy-energy-detect-power-down",
94 };
95
96 #define __LINK_MODE_NAME(speed, type, duplex) \
97 #speed "base" #type "/" #duplex
98 #define __DEFINE_LINK_MODE_NAME(speed, type, duplex) \
99 [ETHTOOL_LINK_MODE(speed, type, duplex)] = \
100 __LINK_MODE_NAME(speed, type, duplex)
101 #define __DEFINE_SPECIAL_MODE_NAME(_mode, _name) \
102 [ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = _name
103
104 const char link_mode_names[][ETH_GSTRING_LEN] = {
105 __DEFINE_LINK_MODE_NAME(10, T, Half),
106 __DEFINE_LINK_MODE_NAME(10, T, Full),
107 __DEFINE_LINK_MODE_NAME(100, T, Half),
108 __DEFINE_LINK_MODE_NAME(100, T, Full),
109 __DEFINE_LINK_MODE_NAME(1000, T, Half),
110 __DEFINE_LINK_MODE_NAME(1000, T, Full),
111 __DEFINE_SPECIAL_MODE_NAME(Autoneg, "Autoneg"),
112 __DEFINE_SPECIAL_MODE_NAME(TP, "TP"),
113 __DEFINE_SPECIAL_MODE_NAME(AUI, "AUI"),
114 __DEFINE_SPECIAL_MODE_NAME(MII, "MII"),
115 __DEFINE_SPECIAL_MODE_NAME(FIBRE, "FIBRE"),
116 __DEFINE_SPECIAL_MODE_NAME(BNC, "BNC"),
117 __DEFINE_LINK_MODE_NAME(10000, T, Full),
118 __DEFINE_SPECIAL_MODE_NAME(Pause, "Pause"),
119 __DEFINE_SPECIAL_MODE_NAME(Asym_Pause, "Asym_Pause"),
120 __DEFINE_LINK_MODE_NAME(2500, X, Full),
121 __DEFINE_SPECIAL_MODE_NAME(Backplane, "Backplane"),
122 __DEFINE_LINK_MODE_NAME(1000, KX, Full),
123 __DEFINE_LINK_MODE_NAME(10000, KX4, Full),
124 __DEFINE_LINK_MODE_NAME(10000, KR, Full),
125 __DEFINE_SPECIAL_MODE_NAME(10000baseR_FEC, "10000baseR_FEC"),
126 __DEFINE_LINK_MODE_NAME(20000, MLD2, Full),
127 __DEFINE_LINK_MODE_NAME(20000, KR2, Full),
128 __DEFINE_LINK_MODE_NAME(40000, KR4, Full),
129 __DEFINE_LINK_MODE_NAME(40000, CR4, Full),
130 __DEFINE_LINK_MODE_NAME(40000, SR4, Full),
131 __DEFINE_LINK_MODE_NAME(40000, LR4, Full),
132 __DEFINE_LINK_MODE_NAME(56000, KR4, Full),
133 __DEFINE_LINK_MODE_NAME(56000, CR4, Full),
134 __DEFINE_LINK_MODE_NAME(56000, SR4, Full),
135 __DEFINE_LINK_MODE_NAME(56000, LR4, Full),
136 __DEFINE_LINK_MODE_NAME(25000, CR, Full),
137 __DEFINE_LINK_MODE_NAME(25000, KR, Full),
138 __DEFINE_LINK_MODE_NAME(25000, SR, Full),
139 __DEFINE_LINK_MODE_NAME(50000, CR2, Full),
140 __DEFINE_LINK_MODE_NAME(50000, KR2, Full),
141 __DEFINE_LINK_MODE_NAME(100000, KR4, Full),
142 __DEFINE_LINK_MODE_NAME(100000, SR4, Full),
143 __DEFINE_LINK_MODE_NAME(100000, CR4, Full),
144 __DEFINE_LINK_MODE_NAME(100000, LR4_ER4, Full),
145 __DEFINE_LINK_MODE_NAME(50000, SR2, Full),
146 __DEFINE_LINK_MODE_NAME(1000, X, Full),
147 __DEFINE_LINK_MODE_NAME(10000, CR, Full),
148 __DEFINE_LINK_MODE_NAME(10000, SR, Full),
149 __DEFINE_LINK_MODE_NAME(10000, LR, Full),
150 __DEFINE_LINK_MODE_NAME(10000, LRM, Full),
151 __DEFINE_LINK_MODE_NAME(10000, ER, Full),
152 __DEFINE_LINK_MODE_NAME(2500, T, Full),
153 __DEFINE_LINK_MODE_NAME(5000, T, Full),
154 __DEFINE_SPECIAL_MODE_NAME(FEC_NONE, "None"),
155 __DEFINE_SPECIAL_MODE_NAME(FEC_RS, "RS"),
156 __DEFINE_SPECIAL_MODE_NAME(FEC_BASER, "BASER"),
157 __DEFINE_LINK_MODE_NAME(50000, KR, Full),
158 __DEFINE_LINK_MODE_NAME(50000, SR, Full),
159 __DEFINE_LINK_MODE_NAME(50000, CR, Full),
160 __DEFINE_LINK_MODE_NAME(50000, LR_ER_FR, Full),
161 __DEFINE_LINK_MODE_NAME(50000, DR, Full),
162 __DEFINE_LINK_MODE_NAME(100000, KR2, Full),
163 __DEFINE_LINK_MODE_NAME(100000, SR2, Full),
164 __DEFINE_LINK_MODE_NAME(100000, CR2, Full),
165 __DEFINE_LINK_MODE_NAME(100000, LR2_ER2_FR2, Full),
166 __DEFINE_LINK_MODE_NAME(100000, DR2, Full),
167 __DEFINE_LINK_MODE_NAME(200000, KR4, Full),
168 __DEFINE_LINK_MODE_NAME(200000, SR4, Full),
169 __DEFINE_LINK_MODE_NAME(200000, LR4_ER4_FR4, Full),
170 __DEFINE_LINK_MODE_NAME(200000, DR4, Full),
171 __DEFINE_LINK_MODE_NAME(200000, CR4, Full),
172 __DEFINE_LINK_MODE_NAME(100, T1, Full),
173 __DEFINE_LINK_MODE_NAME(1000, T1, Full),
174 __DEFINE_LINK_MODE_NAME(400000, KR8, Full),
175 __DEFINE_LINK_MODE_NAME(400000, SR8, Full),
176 __DEFINE_LINK_MODE_NAME(400000, LR8_ER8_FR8, Full),
177 __DEFINE_LINK_MODE_NAME(400000, DR8, Full),
178 __DEFINE_LINK_MODE_NAME(400000, CR8, Full),
179 __DEFINE_SPECIAL_MODE_NAME(FEC_LLRS, "LLRS"),
180 __DEFINE_LINK_MODE_NAME(100000, KR, Full),
181 __DEFINE_LINK_MODE_NAME(100000, SR, Full),
182 __DEFINE_LINK_MODE_NAME(100000, LR_ER_FR, Full),
183 __DEFINE_LINK_MODE_NAME(100000, DR, Full),
184 __DEFINE_LINK_MODE_NAME(100000, CR, Full),
185 __DEFINE_LINK_MODE_NAME(200000, KR2, Full),
186 __DEFINE_LINK_MODE_NAME(200000, SR2, Full),
187 __DEFINE_LINK_MODE_NAME(200000, LR2_ER2_FR2, Full),
188 __DEFINE_LINK_MODE_NAME(200000, DR2, Full),
189 __DEFINE_LINK_MODE_NAME(200000, CR2, Full),
190 __DEFINE_LINK_MODE_NAME(400000, KR4, Full),
191 __DEFINE_LINK_MODE_NAME(400000, SR4, Full),
192 __DEFINE_LINK_MODE_NAME(400000, LR4_ER4_FR4, Full),
193 __DEFINE_LINK_MODE_NAME(400000, DR4, Full),
194 __DEFINE_LINK_MODE_NAME(400000, CR4, Full),
195 __DEFINE_LINK_MODE_NAME(100, FX, Half),
196 __DEFINE_LINK_MODE_NAME(100, FX, Full),
197 };
198 static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS);
199
200 const char netif_msg_class_names[][ETH_GSTRING_LEN] = {
201 [NETIF_MSG_DRV_BIT] = "drv",
202 [NETIF_MSG_PROBE_BIT] = "probe",
203 [NETIF_MSG_LINK_BIT] = "link",
204 [NETIF_MSG_TIMER_BIT] = "timer",
205 [NETIF_MSG_IFDOWN_BIT] = "ifdown",
206 [NETIF_MSG_IFUP_BIT] = "ifup",
207 [NETIF_MSG_RX_ERR_BIT] = "rx_err",
208 [NETIF_MSG_TX_ERR_BIT] = "tx_err",
209 [NETIF_MSG_TX_QUEUED_BIT] = "tx_queued",
210 [NETIF_MSG_INTR_BIT] = "intr",
211 [NETIF_MSG_TX_DONE_BIT] = "tx_done",
212 [NETIF_MSG_RX_STATUS_BIT] = "rx_status",
213 [NETIF_MSG_PKTDATA_BIT] = "pktdata",
214 [NETIF_MSG_HW_BIT] = "hw",
215 [NETIF_MSG_WOL_BIT] = "wol",
216 };
217 static_assert(ARRAY_SIZE(netif_msg_class_names) == NETIF_MSG_CLASS_COUNT);
218
219 const char wol_mode_names[][ETH_GSTRING_LEN] = {
220 [const_ilog2(WAKE_PHY)] = "phy",
221 [const_ilog2(WAKE_UCAST)] = "ucast",
222 [const_ilog2(WAKE_MCAST)] = "mcast",
223 [const_ilog2(WAKE_BCAST)] = "bcast",
224 [const_ilog2(WAKE_ARP)] = "arp",
225 [const_ilog2(WAKE_MAGIC)] = "magic",
226 [const_ilog2(WAKE_MAGICSECURE)] = "magicsecure",
227 [const_ilog2(WAKE_FILTER)] = "filter",
228 };
229 static_assert(ARRAY_SIZE(wol_mode_names) == WOL_MODE_COUNT);
230
231 const char sof_timestamping_names[][ETH_GSTRING_LEN] = {
232 [const_ilog2(SOF_TIMESTAMPING_TX_HARDWARE)] = "hardware-transmit",
233 [const_ilog2(SOF_TIMESTAMPING_TX_SOFTWARE)] = "software-transmit",
234 [const_ilog2(SOF_TIMESTAMPING_RX_HARDWARE)] = "hardware-receive",
235 [const_ilog2(SOF_TIMESTAMPING_RX_SOFTWARE)] = "software-receive",
236 [const_ilog2(SOF_TIMESTAMPING_SOFTWARE)] = "software-system-clock",
237 [const_ilog2(SOF_TIMESTAMPING_SYS_HARDWARE)] = "hardware-legacy-clock",
238 [const_ilog2(SOF_TIMESTAMPING_RAW_HARDWARE)] = "hardware-raw-clock",
239 [const_ilog2(SOF_TIMESTAMPING_OPT_ID)] = "option-id",
240 [const_ilog2(SOF_TIMESTAMPING_TX_SCHED)] = "sched-transmit",
241 [const_ilog2(SOF_TIMESTAMPING_TX_ACK)] = "ack-transmit",
242 [const_ilog2(SOF_TIMESTAMPING_OPT_CMSG)] = "option-cmsg",
243 [const_ilog2(SOF_TIMESTAMPING_OPT_TSONLY)] = "option-tsonly",
244 [const_ilog2(SOF_TIMESTAMPING_OPT_STATS)] = "option-stats",
245 [const_ilog2(SOF_TIMESTAMPING_OPT_PKTINFO)] = "option-pktinfo",
246 [const_ilog2(SOF_TIMESTAMPING_OPT_TX_SWHW)] = "option-tx-swhw",
247 };
248 static_assert(ARRAY_SIZE(sof_timestamping_names) == __SOF_TIMESTAMPING_CNT);
249
250 const char ts_tx_type_names[][ETH_GSTRING_LEN] = {
251 [HWTSTAMP_TX_OFF] = "off",
252 [HWTSTAMP_TX_ON] = "on",
253 [HWTSTAMP_TX_ONESTEP_SYNC] = "onestep-sync",
254 [HWTSTAMP_TX_ONESTEP_P2P] = "onestep-p2p",
255 };
256 static_assert(ARRAY_SIZE(ts_tx_type_names) == __HWTSTAMP_TX_CNT);
257
258 const char ts_rx_filter_names[][ETH_GSTRING_LEN] = {
259 [HWTSTAMP_FILTER_NONE] = "none",
260 [HWTSTAMP_FILTER_ALL] = "all",
261 [HWTSTAMP_FILTER_SOME] = "some",
262 [HWTSTAMP_FILTER_PTP_V1_L4_EVENT] = "ptpv1-l4-event",
263 [HWTSTAMP_FILTER_PTP_V1_L4_SYNC] = "ptpv1-l4-sync",
264 [HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ] = "ptpv1-l4-delay-req",
265 [HWTSTAMP_FILTER_PTP_V2_L4_EVENT] = "ptpv2-l4-event",
266 [HWTSTAMP_FILTER_PTP_V2_L4_SYNC] = "ptpv2-l4-sync",
267 [HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ] = "ptpv2-l4-delay-req",
268 [HWTSTAMP_FILTER_PTP_V2_L2_EVENT] = "ptpv2-l2-event",
269 [HWTSTAMP_FILTER_PTP_V2_L2_SYNC] = "ptpv2-l2-sync",
270 [HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ] = "ptpv2-l2-delay-req",
271 [HWTSTAMP_FILTER_PTP_V2_EVENT] = "ptpv2-event",
272 [HWTSTAMP_FILTER_PTP_V2_SYNC] = "ptpv2-sync",
273 [HWTSTAMP_FILTER_PTP_V2_DELAY_REQ] = "ptpv2-delay-req",
274 [HWTSTAMP_FILTER_NTP_ALL] = "ntp-all",
275 };
276 static_assert(ARRAY_SIZE(ts_rx_filter_names) == __HWTSTAMP_FILTER_CNT);
277
278 const char udp_tunnel_type_names[][ETH_GSTRING_LEN] = {
279 [ETHTOOL_UDP_TUNNEL_TYPE_VXLAN] = "vxlan",
280 [ETHTOOL_UDP_TUNNEL_TYPE_GENEVE] = "geneve",
281 [ETHTOOL_UDP_TUNNEL_TYPE_VXLAN_GPE] = "vxlan-gpe",
282 };
283 static_assert(ARRAY_SIZE(udp_tunnel_type_names) ==
284 __ETHTOOL_UDP_TUNNEL_TYPE_CNT);
285
286 /* return false if legacy contained non-0 deprecated fields
287 * maxtxpkt/maxrxpkt. rest of ksettings always updated
288 */
289 bool
convert_legacy_settings_to_link_ksettings(struct ethtool_link_ksettings * link_ksettings,const struct ethtool_cmd * legacy_settings)290 convert_legacy_settings_to_link_ksettings(
291 struct ethtool_link_ksettings *link_ksettings,
292 const struct ethtool_cmd *legacy_settings)
293 {
294 bool retval = true;
295
296 memset(link_ksettings, 0, sizeof(*link_ksettings));
297
298 /* This is used to tell users that driver is still using these
299 * deprecated legacy fields, and they should not use
300 * %ETHTOOL_GLINKSETTINGS/%ETHTOOL_SLINKSETTINGS
301 */
302 if (legacy_settings->maxtxpkt ||
303 legacy_settings->maxrxpkt)
304 retval = false;
305
306 ethtool_convert_legacy_u32_to_link_mode(
307 link_ksettings->link_modes.supported,
308 legacy_settings->supported);
309 ethtool_convert_legacy_u32_to_link_mode(
310 link_ksettings->link_modes.advertising,
311 legacy_settings->advertising);
312 ethtool_convert_legacy_u32_to_link_mode(
313 link_ksettings->link_modes.lp_advertising,
314 legacy_settings->lp_advertising);
315 link_ksettings->base.speed
316 = ethtool_cmd_speed(legacy_settings);
317 link_ksettings->base.duplex
318 = legacy_settings->duplex;
319 link_ksettings->base.port
320 = legacy_settings->port;
321 link_ksettings->base.phy_address
322 = legacy_settings->phy_address;
323 link_ksettings->base.autoneg
324 = legacy_settings->autoneg;
325 link_ksettings->base.mdio_support
326 = legacy_settings->mdio_support;
327 link_ksettings->base.eth_tp_mdix
328 = legacy_settings->eth_tp_mdix;
329 link_ksettings->base.eth_tp_mdix_ctrl
330 = legacy_settings->eth_tp_mdix_ctrl;
331 return retval;
332 }
333
__ethtool_get_link(struct net_device * dev)334 int __ethtool_get_link(struct net_device *dev)
335 {
336 if (!dev->ethtool_ops->get_link)
337 return -EOPNOTSUPP;
338
339 return netif_running(dev) && dev->ethtool_ops->get_link(dev);
340 }
341
ethtool_get_max_rxfh_channel(struct net_device * dev,u32 * max)342 int ethtool_get_max_rxfh_channel(struct net_device *dev, u32 *max)
343 {
344 u32 dev_size, current_max = 0;
345 u32 *indir;
346 int ret;
347
348 if (!dev->ethtool_ops->get_rxfh_indir_size ||
349 !dev->ethtool_ops->get_rxfh)
350 return -EOPNOTSUPP;
351 dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev);
352 if (dev_size == 0)
353 return -EOPNOTSUPP;
354
355 indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER);
356 if (!indir)
357 return -ENOMEM;
358
359 ret = dev->ethtool_ops->get_rxfh(dev, indir, NULL, NULL);
360 if (ret)
361 goto out;
362
363 while (dev_size--)
364 current_max = max(current_max, indir[dev_size]);
365
366 *max = current_max;
367
368 out:
369 kfree(indir);
370 return ret;
371 }
372
ethtool_check_ops(const struct ethtool_ops * ops)373 int ethtool_check_ops(const struct ethtool_ops *ops)
374 {
375 if (WARN_ON(ops->set_coalesce && !ops->supported_coalesce_params))
376 return -EINVAL;
377 /* NOTE: sufficiently insane drivers may swap ethtool_ops at runtime,
378 * the fact that ops are checked at registration time does not
379 * mean the ops attached to a netdev later on are sane.
380 */
381 return 0;
382 }
383
__ethtool_get_ts_info(struct net_device * dev,struct ethtool_ts_info * info)384 int __ethtool_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
385 {
386 const struct ethtool_ops *ops = dev->ethtool_ops;
387 struct phy_device *phydev = dev->phydev;
388
389 memset(info, 0, sizeof(*info));
390 info->cmd = ETHTOOL_GET_TS_INFO;
391
392 if (phy_has_tsinfo(phydev))
393 return phy_ts_info(phydev, info);
394 if (ops->get_ts_info)
395 return ops->get_ts_info(dev, info);
396
397 info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
398 SOF_TIMESTAMPING_SOFTWARE;
399 info->phc_index = -1;
400
401 return 0;
402 }
403
404 const struct ethtool_phy_ops *ethtool_phy_ops;
405
ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops * ops)406 void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops)
407 {
408 rtnl_lock();
409 ethtool_phy_ops = ops;
410 rtnl_unlock();
411 }
412 EXPORT_SYMBOL_GPL(ethtool_set_ethtool_phy_ops);
413