xref: /openbmc/linux/net/ethtool/common.c (revision 8365a898)
1 // SPDX-License-Identifier: GPL-2.0-only
2 
3 #include <linux/net_tstamp.h>
4 #include <linux/phy.h>
5 
6 #include "common.h"
7 
8 const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] = {
9 	[NETIF_F_SG_BIT] =               "tx-scatter-gather",
10 	[NETIF_F_IP_CSUM_BIT] =          "tx-checksum-ipv4",
11 	[NETIF_F_HW_CSUM_BIT] =          "tx-checksum-ip-generic",
12 	[NETIF_F_IPV6_CSUM_BIT] =        "tx-checksum-ipv6",
13 	[NETIF_F_HIGHDMA_BIT] =          "highdma",
14 	[NETIF_F_FRAGLIST_BIT] =         "tx-scatter-gather-fraglist",
15 	[NETIF_F_HW_VLAN_CTAG_TX_BIT] =  "tx-vlan-hw-insert",
16 
17 	[NETIF_F_HW_VLAN_CTAG_RX_BIT] =  "rx-vlan-hw-parse",
18 	[NETIF_F_HW_VLAN_CTAG_FILTER_BIT] = "rx-vlan-filter",
19 	[NETIF_F_HW_VLAN_STAG_TX_BIT] =  "tx-vlan-stag-hw-insert",
20 	[NETIF_F_HW_VLAN_STAG_RX_BIT] =  "rx-vlan-stag-hw-parse",
21 	[NETIF_F_HW_VLAN_STAG_FILTER_BIT] = "rx-vlan-stag-filter",
22 	[NETIF_F_VLAN_CHALLENGED_BIT] =  "vlan-challenged",
23 	[NETIF_F_GSO_BIT] =              "tx-generic-segmentation",
24 	[NETIF_F_LLTX_BIT] =             "tx-lockless",
25 	[NETIF_F_NETNS_LOCAL_BIT] =      "netns-local",
26 	[NETIF_F_GRO_BIT] =              "rx-gro",
27 	[NETIF_F_GRO_HW_BIT] =           "rx-gro-hw",
28 	[NETIF_F_LRO_BIT] =              "rx-lro",
29 
30 	[NETIF_F_TSO_BIT] =              "tx-tcp-segmentation",
31 	[NETIF_F_GSO_ROBUST_BIT] =       "tx-gso-robust",
32 	[NETIF_F_TSO_ECN_BIT] =          "tx-tcp-ecn-segmentation",
33 	[NETIF_F_TSO_MANGLEID_BIT] =	 "tx-tcp-mangleid-segmentation",
34 	[NETIF_F_TSO6_BIT] =             "tx-tcp6-segmentation",
35 	[NETIF_F_FSO_BIT] =              "tx-fcoe-segmentation",
36 	[NETIF_F_GSO_GRE_BIT] =		 "tx-gre-segmentation",
37 	[NETIF_F_GSO_GRE_CSUM_BIT] =	 "tx-gre-csum-segmentation",
38 	[NETIF_F_GSO_IPXIP4_BIT] =	 "tx-ipxip4-segmentation",
39 	[NETIF_F_GSO_IPXIP6_BIT] =	 "tx-ipxip6-segmentation",
40 	[NETIF_F_GSO_UDP_TUNNEL_BIT] =	 "tx-udp_tnl-segmentation",
41 	[NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT] = "tx-udp_tnl-csum-segmentation",
42 	[NETIF_F_GSO_PARTIAL_BIT] =	 "tx-gso-partial",
43 	[NETIF_F_GSO_TUNNEL_REMCSUM_BIT] = "tx-tunnel-remcsum-segmentation",
44 	[NETIF_F_GSO_SCTP_BIT] =	 "tx-sctp-segmentation",
45 	[NETIF_F_GSO_ESP_BIT] =		 "tx-esp-segmentation",
46 	[NETIF_F_GSO_UDP_L4_BIT] =	 "tx-udp-segmentation",
47 	[NETIF_F_GSO_FRAGLIST_BIT] =	 "tx-gso-list",
48 
49 	[NETIF_F_FCOE_CRC_BIT] =         "tx-checksum-fcoe-crc",
50 	[NETIF_F_SCTP_CRC_BIT] =        "tx-checksum-sctp",
51 	[NETIF_F_FCOE_MTU_BIT] =         "fcoe-mtu",
52 	[NETIF_F_NTUPLE_BIT] =           "rx-ntuple-filter",
53 	[NETIF_F_RXHASH_BIT] =           "rx-hashing",
54 	[NETIF_F_RXCSUM_BIT] =           "rx-checksum",
55 	[NETIF_F_NOCACHE_COPY_BIT] =     "tx-nocache-copy",
56 	[NETIF_F_LOOPBACK_BIT] =         "loopback",
57 	[NETIF_F_RXFCS_BIT] =            "rx-fcs",
58 	[NETIF_F_RXALL_BIT] =            "rx-all",
59 	[NETIF_F_HW_L2FW_DOFFLOAD_BIT] = "l2-fwd-offload",
60 	[NETIF_F_HW_TC_BIT] =		 "hw-tc-offload",
61 	[NETIF_F_HW_ESP_BIT] =		 "esp-hw-offload",
62 	[NETIF_F_HW_ESP_TX_CSUM_BIT] =	 "esp-tx-csum-hw-offload",
63 	[NETIF_F_RX_UDP_TUNNEL_PORT_BIT] =	 "rx-udp_tunnel-port-offload",
64 	[NETIF_F_HW_TLS_RECORD_BIT] =	"tls-hw-record",
65 	[NETIF_F_HW_TLS_TX_BIT] =	 "tls-hw-tx-offload",
66 	[NETIF_F_HW_TLS_RX_BIT] =	 "tls-hw-rx-offload",
67 	[NETIF_F_GRO_FRAGLIST_BIT] =	 "rx-gro-list",
68 	[NETIF_F_HW_MACSEC_BIT] =	 "macsec-hw-offload",
69 };
70 
71 const char
72 rss_hash_func_strings[ETH_RSS_HASH_FUNCS_COUNT][ETH_GSTRING_LEN] = {
73 	[ETH_RSS_HASH_TOP_BIT] =	"toeplitz",
74 	[ETH_RSS_HASH_XOR_BIT] =	"xor",
75 	[ETH_RSS_HASH_CRC32_BIT] =	"crc32",
76 };
77 
78 const char
79 tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
80 	[ETHTOOL_ID_UNSPEC]     = "Unspec",
81 	[ETHTOOL_RX_COPYBREAK]	= "rx-copybreak",
82 	[ETHTOOL_TX_COPYBREAK]	= "tx-copybreak",
83 	[ETHTOOL_PFC_PREVENTION_TOUT] = "pfc-prevention-tout",
84 };
85 
86 const char
87 phy_tunable_strings[__ETHTOOL_PHY_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
88 	[ETHTOOL_ID_UNSPEC]     = "Unspec",
89 	[ETHTOOL_PHY_DOWNSHIFT]	= "phy-downshift",
90 	[ETHTOOL_PHY_FAST_LINK_DOWN] = "phy-fast-link-down",
91 	[ETHTOOL_PHY_EDPD]	= "phy-energy-detect-power-down",
92 };
93 
94 #define __LINK_MODE_NAME(speed, type, duplex) \
95 	#speed "base" #type "/" #duplex
96 #define __DEFINE_LINK_MODE_NAME(speed, type, duplex) \
97 	[ETHTOOL_LINK_MODE(speed, type, duplex)] = \
98 	__LINK_MODE_NAME(speed, type, duplex)
99 #define __DEFINE_SPECIAL_MODE_NAME(_mode, _name) \
100 	[ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = _name
101 
102 const char link_mode_names[][ETH_GSTRING_LEN] = {
103 	__DEFINE_LINK_MODE_NAME(10, T, Half),
104 	__DEFINE_LINK_MODE_NAME(10, T, Full),
105 	__DEFINE_LINK_MODE_NAME(100, T, Half),
106 	__DEFINE_LINK_MODE_NAME(100, T, Full),
107 	__DEFINE_LINK_MODE_NAME(1000, T, Half),
108 	__DEFINE_LINK_MODE_NAME(1000, T, Full),
109 	__DEFINE_SPECIAL_MODE_NAME(Autoneg, "Autoneg"),
110 	__DEFINE_SPECIAL_MODE_NAME(TP, "TP"),
111 	__DEFINE_SPECIAL_MODE_NAME(AUI, "AUI"),
112 	__DEFINE_SPECIAL_MODE_NAME(MII, "MII"),
113 	__DEFINE_SPECIAL_MODE_NAME(FIBRE, "FIBRE"),
114 	__DEFINE_SPECIAL_MODE_NAME(BNC, "BNC"),
115 	__DEFINE_LINK_MODE_NAME(10000, T, Full),
116 	__DEFINE_SPECIAL_MODE_NAME(Pause, "Pause"),
117 	__DEFINE_SPECIAL_MODE_NAME(Asym_Pause, "Asym_Pause"),
118 	__DEFINE_LINK_MODE_NAME(2500, X, Full),
119 	__DEFINE_SPECIAL_MODE_NAME(Backplane, "Backplane"),
120 	__DEFINE_LINK_MODE_NAME(1000, KX, Full),
121 	__DEFINE_LINK_MODE_NAME(10000, KX4, Full),
122 	__DEFINE_LINK_MODE_NAME(10000, KR, Full),
123 	__DEFINE_SPECIAL_MODE_NAME(10000baseR_FEC, "10000baseR_FEC"),
124 	__DEFINE_LINK_MODE_NAME(20000, MLD2, Full),
125 	__DEFINE_LINK_MODE_NAME(20000, KR2, Full),
126 	__DEFINE_LINK_MODE_NAME(40000, KR4, Full),
127 	__DEFINE_LINK_MODE_NAME(40000, CR4, Full),
128 	__DEFINE_LINK_MODE_NAME(40000, SR4, Full),
129 	__DEFINE_LINK_MODE_NAME(40000, LR4, Full),
130 	__DEFINE_LINK_MODE_NAME(56000, KR4, Full),
131 	__DEFINE_LINK_MODE_NAME(56000, CR4, Full),
132 	__DEFINE_LINK_MODE_NAME(56000, SR4, Full),
133 	__DEFINE_LINK_MODE_NAME(56000, LR4, Full),
134 	__DEFINE_LINK_MODE_NAME(25000, CR, Full),
135 	__DEFINE_LINK_MODE_NAME(25000, KR, Full),
136 	__DEFINE_LINK_MODE_NAME(25000, SR, Full),
137 	__DEFINE_LINK_MODE_NAME(50000, CR2, Full),
138 	__DEFINE_LINK_MODE_NAME(50000, KR2, Full),
139 	__DEFINE_LINK_MODE_NAME(100000, KR4, Full),
140 	__DEFINE_LINK_MODE_NAME(100000, SR4, Full),
141 	__DEFINE_LINK_MODE_NAME(100000, CR4, Full),
142 	__DEFINE_LINK_MODE_NAME(100000, LR4_ER4, Full),
143 	__DEFINE_LINK_MODE_NAME(50000, SR2, Full),
144 	__DEFINE_LINK_MODE_NAME(1000, X, Full),
145 	__DEFINE_LINK_MODE_NAME(10000, CR, Full),
146 	__DEFINE_LINK_MODE_NAME(10000, SR, Full),
147 	__DEFINE_LINK_MODE_NAME(10000, LR, Full),
148 	__DEFINE_LINK_MODE_NAME(10000, LRM, Full),
149 	__DEFINE_LINK_MODE_NAME(10000, ER, Full),
150 	__DEFINE_LINK_MODE_NAME(2500, T, Full),
151 	__DEFINE_LINK_MODE_NAME(5000, T, Full),
152 	__DEFINE_SPECIAL_MODE_NAME(FEC_NONE, "None"),
153 	__DEFINE_SPECIAL_MODE_NAME(FEC_RS, "RS"),
154 	__DEFINE_SPECIAL_MODE_NAME(FEC_BASER, "BASER"),
155 	__DEFINE_LINK_MODE_NAME(50000, KR, Full),
156 	__DEFINE_LINK_MODE_NAME(50000, SR, Full),
157 	__DEFINE_LINK_MODE_NAME(50000, CR, Full),
158 	__DEFINE_LINK_MODE_NAME(50000, LR_ER_FR, Full),
159 	__DEFINE_LINK_MODE_NAME(50000, DR, Full),
160 	__DEFINE_LINK_MODE_NAME(100000, KR2, Full),
161 	__DEFINE_LINK_MODE_NAME(100000, SR2, Full),
162 	__DEFINE_LINK_MODE_NAME(100000, CR2, Full),
163 	__DEFINE_LINK_MODE_NAME(100000, LR2_ER2_FR2, Full),
164 	__DEFINE_LINK_MODE_NAME(100000, DR2, Full),
165 	__DEFINE_LINK_MODE_NAME(200000, KR4, Full),
166 	__DEFINE_LINK_MODE_NAME(200000, SR4, Full),
167 	__DEFINE_LINK_MODE_NAME(200000, LR4_ER4_FR4, Full),
168 	__DEFINE_LINK_MODE_NAME(200000, DR4, Full),
169 	__DEFINE_LINK_MODE_NAME(200000, CR4, Full),
170 	__DEFINE_LINK_MODE_NAME(100, T1, Full),
171 	__DEFINE_LINK_MODE_NAME(1000, T1, Full),
172 	__DEFINE_LINK_MODE_NAME(400000, KR8, Full),
173 	__DEFINE_LINK_MODE_NAME(400000, SR8, Full),
174 	__DEFINE_LINK_MODE_NAME(400000, LR8_ER8_FR8, Full),
175 	__DEFINE_LINK_MODE_NAME(400000, DR8, Full),
176 	__DEFINE_LINK_MODE_NAME(400000, CR8, Full),
177 	__DEFINE_SPECIAL_MODE_NAME(FEC_LLRS, "LLRS"),
178 };
179 static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS);
180 
181 const char netif_msg_class_names[][ETH_GSTRING_LEN] = {
182 	[NETIF_MSG_DRV_BIT]		= "drv",
183 	[NETIF_MSG_PROBE_BIT]		= "probe",
184 	[NETIF_MSG_LINK_BIT]		= "link",
185 	[NETIF_MSG_TIMER_BIT]		= "timer",
186 	[NETIF_MSG_IFDOWN_BIT]		= "ifdown",
187 	[NETIF_MSG_IFUP_BIT]		= "ifup",
188 	[NETIF_MSG_RX_ERR_BIT]		= "rx_err",
189 	[NETIF_MSG_TX_ERR_BIT]		= "tx_err",
190 	[NETIF_MSG_TX_QUEUED_BIT]	= "tx_queued",
191 	[NETIF_MSG_INTR_BIT]		= "intr",
192 	[NETIF_MSG_TX_DONE_BIT]		= "tx_done",
193 	[NETIF_MSG_RX_STATUS_BIT]	= "rx_status",
194 	[NETIF_MSG_PKTDATA_BIT]		= "pktdata",
195 	[NETIF_MSG_HW_BIT]		= "hw",
196 	[NETIF_MSG_WOL_BIT]		= "wol",
197 };
198 static_assert(ARRAY_SIZE(netif_msg_class_names) == NETIF_MSG_CLASS_COUNT);
199 
200 const char wol_mode_names[][ETH_GSTRING_LEN] = {
201 	[const_ilog2(WAKE_PHY)]		= "phy",
202 	[const_ilog2(WAKE_UCAST)]	= "ucast",
203 	[const_ilog2(WAKE_MCAST)]	= "mcast",
204 	[const_ilog2(WAKE_BCAST)]	= "bcast",
205 	[const_ilog2(WAKE_ARP)]		= "arp",
206 	[const_ilog2(WAKE_MAGIC)]	= "magic",
207 	[const_ilog2(WAKE_MAGICSECURE)]	= "magicsecure",
208 	[const_ilog2(WAKE_FILTER)]	= "filter",
209 };
210 static_assert(ARRAY_SIZE(wol_mode_names) == WOL_MODE_COUNT);
211 
212 const char sof_timestamping_names[][ETH_GSTRING_LEN] = {
213 	[const_ilog2(SOF_TIMESTAMPING_TX_HARDWARE)]  = "hardware-transmit",
214 	[const_ilog2(SOF_TIMESTAMPING_TX_SOFTWARE)]  = "software-transmit",
215 	[const_ilog2(SOF_TIMESTAMPING_RX_HARDWARE)]  = "hardware-receive",
216 	[const_ilog2(SOF_TIMESTAMPING_RX_SOFTWARE)]  = "software-receive",
217 	[const_ilog2(SOF_TIMESTAMPING_SOFTWARE)]     = "software-system-clock",
218 	[const_ilog2(SOF_TIMESTAMPING_SYS_HARDWARE)] = "hardware-legacy-clock",
219 	[const_ilog2(SOF_TIMESTAMPING_RAW_HARDWARE)] = "hardware-raw-clock",
220 	[const_ilog2(SOF_TIMESTAMPING_OPT_ID)]       = "option-id",
221 	[const_ilog2(SOF_TIMESTAMPING_TX_SCHED)]     = "sched-transmit",
222 	[const_ilog2(SOF_TIMESTAMPING_TX_ACK)]       = "ack-transmit",
223 	[const_ilog2(SOF_TIMESTAMPING_OPT_CMSG)]     = "option-cmsg",
224 	[const_ilog2(SOF_TIMESTAMPING_OPT_TSONLY)]   = "option-tsonly",
225 	[const_ilog2(SOF_TIMESTAMPING_OPT_STATS)]    = "option-stats",
226 	[const_ilog2(SOF_TIMESTAMPING_OPT_PKTINFO)]  = "option-pktinfo",
227 	[const_ilog2(SOF_TIMESTAMPING_OPT_TX_SWHW)]  = "option-tx-swhw",
228 };
229 static_assert(ARRAY_SIZE(sof_timestamping_names) == __SOF_TIMESTAMPING_CNT);
230 
231 const char ts_tx_type_names[][ETH_GSTRING_LEN] = {
232 	[HWTSTAMP_TX_OFF]		= "off",
233 	[HWTSTAMP_TX_ON]		= "on",
234 	[HWTSTAMP_TX_ONESTEP_SYNC]	= "onestep-sync",
235 	[HWTSTAMP_TX_ONESTEP_P2P]	= "onestep-p2p",
236 };
237 static_assert(ARRAY_SIZE(ts_tx_type_names) == __HWTSTAMP_TX_CNT);
238 
239 const char ts_rx_filter_names[][ETH_GSTRING_LEN] = {
240 	[HWTSTAMP_FILTER_NONE]			= "none",
241 	[HWTSTAMP_FILTER_ALL]			= "all",
242 	[HWTSTAMP_FILTER_SOME]			= "some",
243 	[HWTSTAMP_FILTER_PTP_V1_L4_EVENT]	= "ptpv1-l4-event",
244 	[HWTSTAMP_FILTER_PTP_V1_L4_SYNC]	= "ptpv1-l4-sync",
245 	[HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ]	= "ptpv1-l4-delay-req",
246 	[HWTSTAMP_FILTER_PTP_V2_L4_EVENT]	= "ptpv2-l4-event",
247 	[HWTSTAMP_FILTER_PTP_V2_L4_SYNC]	= "ptpv2-l4-sync",
248 	[HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ]	= "ptpv2-l4-delay-req",
249 	[HWTSTAMP_FILTER_PTP_V2_L2_EVENT]	= "ptpv2-l2-event",
250 	[HWTSTAMP_FILTER_PTP_V2_L2_SYNC]	= "ptpv2-l2-sync",
251 	[HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ]	= "ptpv2-l2-delay-req",
252 	[HWTSTAMP_FILTER_PTP_V2_EVENT]		= "ptpv2-event",
253 	[HWTSTAMP_FILTER_PTP_V2_SYNC]		= "ptpv2-sync",
254 	[HWTSTAMP_FILTER_PTP_V2_DELAY_REQ]	= "ptpv2-delay-req",
255 	[HWTSTAMP_FILTER_NTP_ALL]		= "ntp-all",
256 };
257 static_assert(ARRAY_SIZE(ts_rx_filter_names) == __HWTSTAMP_FILTER_CNT);
258 
259 /* return false if legacy contained non-0 deprecated fields
260  * maxtxpkt/maxrxpkt. rest of ksettings always updated
261  */
262 bool
263 convert_legacy_settings_to_link_ksettings(
264 	struct ethtool_link_ksettings *link_ksettings,
265 	const struct ethtool_cmd *legacy_settings)
266 {
267 	bool retval = true;
268 
269 	memset(link_ksettings, 0, sizeof(*link_ksettings));
270 
271 	/* This is used to tell users that driver is still using these
272 	 * deprecated legacy fields, and they should not use
273 	 * %ETHTOOL_GLINKSETTINGS/%ETHTOOL_SLINKSETTINGS
274 	 */
275 	if (legacy_settings->maxtxpkt ||
276 	    legacy_settings->maxrxpkt)
277 		retval = false;
278 
279 	ethtool_convert_legacy_u32_to_link_mode(
280 		link_ksettings->link_modes.supported,
281 		legacy_settings->supported);
282 	ethtool_convert_legacy_u32_to_link_mode(
283 		link_ksettings->link_modes.advertising,
284 		legacy_settings->advertising);
285 	ethtool_convert_legacy_u32_to_link_mode(
286 		link_ksettings->link_modes.lp_advertising,
287 		legacy_settings->lp_advertising);
288 	link_ksettings->base.speed
289 		= ethtool_cmd_speed(legacy_settings);
290 	link_ksettings->base.duplex
291 		= legacy_settings->duplex;
292 	link_ksettings->base.port
293 		= legacy_settings->port;
294 	link_ksettings->base.phy_address
295 		= legacy_settings->phy_address;
296 	link_ksettings->base.autoneg
297 		= legacy_settings->autoneg;
298 	link_ksettings->base.mdio_support
299 		= legacy_settings->mdio_support;
300 	link_ksettings->base.eth_tp_mdix
301 		= legacy_settings->eth_tp_mdix;
302 	link_ksettings->base.eth_tp_mdix_ctrl
303 		= legacy_settings->eth_tp_mdix_ctrl;
304 	return retval;
305 }
306 
307 int __ethtool_get_link(struct net_device *dev)
308 {
309 	if (!dev->ethtool_ops->get_link)
310 		return -EOPNOTSUPP;
311 
312 	return netif_running(dev) && dev->ethtool_ops->get_link(dev);
313 }
314 
315 int ethtool_get_max_rxfh_channel(struct net_device *dev, u32 *max)
316 {
317 	u32 dev_size, current_max = 0;
318 	u32 *indir;
319 	int ret;
320 
321 	if (!dev->ethtool_ops->get_rxfh_indir_size ||
322 	    !dev->ethtool_ops->get_rxfh)
323 		return -EOPNOTSUPP;
324 	dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev);
325 	if (dev_size == 0)
326 		return -EOPNOTSUPP;
327 
328 	indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER);
329 	if (!indir)
330 		return -ENOMEM;
331 
332 	ret = dev->ethtool_ops->get_rxfh(dev, indir, NULL, NULL);
333 	if (ret)
334 		goto out;
335 
336 	while (dev_size--)
337 		current_max = max(current_max, indir[dev_size]);
338 
339 	*max = current_max;
340 
341 out:
342 	kfree(indir);
343 	return ret;
344 }
345 
346 int ethtool_check_ops(const struct ethtool_ops *ops)
347 {
348 	if (WARN_ON(ops->set_coalesce && !ops->supported_coalesce_params))
349 		return -EINVAL;
350 	/* NOTE: sufficiently insane drivers may swap ethtool_ops at runtime,
351 	 * the fact that ops are checked at registration time does not
352 	 * mean the ops attached to a netdev later on are sane.
353 	 */
354 	return 0;
355 }
356 
357 int __ethtool_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
358 {
359 	const struct ethtool_ops *ops = dev->ethtool_ops;
360 	struct phy_device *phydev = dev->phydev;
361 
362 	memset(info, 0, sizeof(*info));
363 	info->cmd = ETHTOOL_GET_TS_INFO;
364 
365 	if (phy_has_tsinfo(phydev))
366 		return phy_ts_info(phydev, info);
367 	if (ops->get_ts_info)
368 		return ops->get_ts_info(dev, info);
369 
370 	info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
371 				SOF_TIMESTAMPING_SOFTWARE;
372 	info->phc_index = -1;
373 
374 	return 0;
375 }
376