Linux Audio

Check our new training course

Loading...
Note: File does not exist in v3.1.
  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
 10const 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
 73const char
 74rss_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
 80const char
 81tunable_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
 88const char
 89phy_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
104const 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};
196static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS);
197
198const char netif_msg_class_names[][ETH_GSTRING_LEN] = {
199	[NETIF_MSG_DRV_BIT]		= "drv",
200	[NETIF_MSG_PROBE_BIT]		= "probe",
201	[NETIF_MSG_LINK_BIT]		= "link",
202	[NETIF_MSG_TIMER_BIT]		= "timer",
203	[NETIF_MSG_IFDOWN_BIT]		= "ifdown",
204	[NETIF_MSG_IFUP_BIT]		= "ifup",
205	[NETIF_MSG_RX_ERR_BIT]		= "rx_err",
206	[NETIF_MSG_TX_ERR_BIT]		= "tx_err",
207	[NETIF_MSG_TX_QUEUED_BIT]	= "tx_queued",
208	[NETIF_MSG_INTR_BIT]		= "intr",
209	[NETIF_MSG_TX_DONE_BIT]		= "tx_done",
210	[NETIF_MSG_RX_STATUS_BIT]	= "rx_status",
211	[NETIF_MSG_PKTDATA_BIT]		= "pktdata",
212	[NETIF_MSG_HW_BIT]		= "hw",
213	[NETIF_MSG_WOL_BIT]		= "wol",
214};
215static_assert(ARRAY_SIZE(netif_msg_class_names) == NETIF_MSG_CLASS_COUNT);
216
217const char wol_mode_names[][ETH_GSTRING_LEN] = {
218	[const_ilog2(WAKE_PHY)]		= "phy",
219	[const_ilog2(WAKE_UCAST)]	= "ucast",
220	[const_ilog2(WAKE_MCAST)]	= "mcast",
221	[const_ilog2(WAKE_BCAST)]	= "bcast",
222	[const_ilog2(WAKE_ARP)]		= "arp",
223	[const_ilog2(WAKE_MAGIC)]	= "magic",
224	[const_ilog2(WAKE_MAGICSECURE)]	= "magicsecure",
225	[const_ilog2(WAKE_FILTER)]	= "filter",
226};
227static_assert(ARRAY_SIZE(wol_mode_names) == WOL_MODE_COUNT);
228
229const char sof_timestamping_names[][ETH_GSTRING_LEN] = {
230	[const_ilog2(SOF_TIMESTAMPING_TX_HARDWARE)]  = "hardware-transmit",
231	[const_ilog2(SOF_TIMESTAMPING_TX_SOFTWARE)]  = "software-transmit",
232	[const_ilog2(SOF_TIMESTAMPING_RX_HARDWARE)]  = "hardware-receive",
233	[const_ilog2(SOF_TIMESTAMPING_RX_SOFTWARE)]  = "software-receive",
234	[const_ilog2(SOF_TIMESTAMPING_SOFTWARE)]     = "software-system-clock",
235	[const_ilog2(SOF_TIMESTAMPING_SYS_HARDWARE)] = "hardware-legacy-clock",
236	[const_ilog2(SOF_TIMESTAMPING_RAW_HARDWARE)] = "hardware-raw-clock",
237	[const_ilog2(SOF_TIMESTAMPING_OPT_ID)]       = "option-id",
238	[const_ilog2(SOF_TIMESTAMPING_TX_SCHED)]     = "sched-transmit",
239	[const_ilog2(SOF_TIMESTAMPING_TX_ACK)]       = "ack-transmit",
240	[const_ilog2(SOF_TIMESTAMPING_OPT_CMSG)]     = "option-cmsg",
241	[const_ilog2(SOF_TIMESTAMPING_OPT_TSONLY)]   = "option-tsonly",
242	[const_ilog2(SOF_TIMESTAMPING_OPT_STATS)]    = "option-stats",
243	[const_ilog2(SOF_TIMESTAMPING_OPT_PKTINFO)]  = "option-pktinfo",
244	[const_ilog2(SOF_TIMESTAMPING_OPT_TX_SWHW)]  = "option-tx-swhw",
245};
246static_assert(ARRAY_SIZE(sof_timestamping_names) == __SOF_TIMESTAMPING_CNT);
247
248const char ts_tx_type_names[][ETH_GSTRING_LEN] = {
249	[HWTSTAMP_TX_OFF]		= "off",
250	[HWTSTAMP_TX_ON]		= "on",
251	[HWTSTAMP_TX_ONESTEP_SYNC]	= "onestep-sync",
252	[HWTSTAMP_TX_ONESTEP_P2P]	= "onestep-p2p",
253};
254static_assert(ARRAY_SIZE(ts_tx_type_names) == __HWTSTAMP_TX_CNT);
255
256const char ts_rx_filter_names[][ETH_GSTRING_LEN] = {
257	[HWTSTAMP_FILTER_NONE]			= "none",
258	[HWTSTAMP_FILTER_ALL]			= "all",
259	[HWTSTAMP_FILTER_SOME]			= "some",
260	[HWTSTAMP_FILTER_PTP_V1_L4_EVENT]	= "ptpv1-l4-event",
261	[HWTSTAMP_FILTER_PTP_V1_L4_SYNC]	= "ptpv1-l4-sync",
262	[HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ]	= "ptpv1-l4-delay-req",
263	[HWTSTAMP_FILTER_PTP_V2_L4_EVENT]	= "ptpv2-l4-event",
264	[HWTSTAMP_FILTER_PTP_V2_L4_SYNC]	= "ptpv2-l4-sync",
265	[HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ]	= "ptpv2-l4-delay-req",
266	[HWTSTAMP_FILTER_PTP_V2_L2_EVENT]	= "ptpv2-l2-event",
267	[HWTSTAMP_FILTER_PTP_V2_L2_SYNC]	= "ptpv2-l2-sync",
268	[HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ]	= "ptpv2-l2-delay-req",
269	[HWTSTAMP_FILTER_PTP_V2_EVENT]		= "ptpv2-event",
270	[HWTSTAMP_FILTER_PTP_V2_SYNC]		= "ptpv2-sync",
271	[HWTSTAMP_FILTER_PTP_V2_DELAY_REQ]	= "ptpv2-delay-req",
272	[HWTSTAMP_FILTER_NTP_ALL]		= "ntp-all",
273};
274static_assert(ARRAY_SIZE(ts_rx_filter_names) == __HWTSTAMP_FILTER_CNT);
275
276const char udp_tunnel_type_names[][ETH_GSTRING_LEN] = {
277	[ETHTOOL_UDP_TUNNEL_TYPE_VXLAN]		= "vxlan",
278	[ETHTOOL_UDP_TUNNEL_TYPE_GENEVE]	= "geneve",
279	[ETHTOOL_UDP_TUNNEL_TYPE_VXLAN_GPE]	= "vxlan-gpe",
280};
281static_assert(ARRAY_SIZE(udp_tunnel_type_names) ==
282	      __ETHTOOL_UDP_TUNNEL_TYPE_CNT);
283
284/* return false if legacy contained non-0 deprecated fields
285 * maxtxpkt/maxrxpkt. rest of ksettings always updated
286 */
287bool
288convert_legacy_settings_to_link_ksettings(
289	struct ethtool_link_ksettings *link_ksettings,
290	const struct ethtool_cmd *legacy_settings)
291{
292	bool retval = true;
293
294	memset(link_ksettings, 0, sizeof(*link_ksettings));
295
296	/* This is used to tell users that driver is still using these
297	 * deprecated legacy fields, and they should not use
298	 * %ETHTOOL_GLINKSETTINGS/%ETHTOOL_SLINKSETTINGS
299	 */
300	if (legacy_settings->maxtxpkt ||
301	    legacy_settings->maxrxpkt)
302		retval = false;
303
304	ethtool_convert_legacy_u32_to_link_mode(
305		link_ksettings->link_modes.supported,
306		legacy_settings->supported);
307	ethtool_convert_legacy_u32_to_link_mode(
308		link_ksettings->link_modes.advertising,
309		legacy_settings->advertising);
310	ethtool_convert_legacy_u32_to_link_mode(
311		link_ksettings->link_modes.lp_advertising,
312		legacy_settings->lp_advertising);
313	link_ksettings->base.speed
314		= ethtool_cmd_speed(legacy_settings);
315	link_ksettings->base.duplex
316		= legacy_settings->duplex;
317	link_ksettings->base.port
318		= legacy_settings->port;
319	link_ksettings->base.phy_address
320		= legacy_settings->phy_address;
321	link_ksettings->base.autoneg
322		= legacy_settings->autoneg;
323	link_ksettings->base.mdio_support
324		= legacy_settings->mdio_support;
325	link_ksettings->base.eth_tp_mdix
326		= legacy_settings->eth_tp_mdix;
327	link_ksettings->base.eth_tp_mdix_ctrl
328		= legacy_settings->eth_tp_mdix_ctrl;
329	return retval;
330}
331
332int __ethtool_get_link(struct net_device *dev)
333{
334	if (!dev->ethtool_ops->get_link)
335		return -EOPNOTSUPP;
336
337	return netif_running(dev) && dev->ethtool_ops->get_link(dev);
338}
339
340int ethtool_get_max_rxfh_channel(struct net_device *dev, u32 *max)
341{
342	u32 dev_size, current_max = 0;
343	u32 *indir;
344	int ret;
345
346	if (!dev->ethtool_ops->get_rxfh_indir_size ||
347	    !dev->ethtool_ops->get_rxfh)
348		return -EOPNOTSUPP;
349	dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev);
350	if (dev_size == 0)
351		return -EOPNOTSUPP;
352
353	indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER);
354	if (!indir)
355		return -ENOMEM;
356
357	ret = dev->ethtool_ops->get_rxfh(dev, indir, NULL, NULL);
358	if (ret)
359		goto out;
360
361	while (dev_size--)
362		current_max = max(current_max, indir[dev_size]);
363
364	*max = current_max;
365
366out:
367	kfree(indir);
368	return ret;
369}
370
371int ethtool_check_ops(const struct ethtool_ops *ops)
372{
373	if (WARN_ON(ops->set_coalesce && !ops->supported_coalesce_params))
374		return -EINVAL;
375	/* NOTE: sufficiently insane drivers may swap ethtool_ops at runtime,
376	 * the fact that ops are checked at registration time does not
377	 * mean the ops attached to a netdev later on are sane.
378	 */
379	return 0;
380}
381
382int __ethtool_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
383{
384	const struct ethtool_ops *ops = dev->ethtool_ops;
385	struct phy_device *phydev = dev->phydev;
386
387	memset(info, 0, sizeof(*info));
388	info->cmd = ETHTOOL_GET_TS_INFO;
389
390	if (phy_has_tsinfo(phydev))
391		return phy_ts_info(phydev, info);
392	if (ops->get_ts_info)
393		return ops->get_ts_info(dev, info);
394
395	info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
396				SOF_TIMESTAMPING_SOFTWARE;
397	info->phc_index = -1;
398
399	return 0;
400}
401
402const struct ethtool_phy_ops *ethtool_phy_ops;
403
404void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops)
405{
406	rtnl_lock();
407	ethtool_phy_ops = ops;
408	rtnl_unlock();
409}
410EXPORT_SYMBOL_GPL(ethtool_set_ethtool_phy_ops);