xref: /linux/net/ethtool/common.c (revision 87c9c16317882dd6dbbc07e349bc3223e14f3244)
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 	[NETIF_F_GRO_UDP_FWD_BIT] =	 "rx-udp-gro-forwarding",
72 	[NETIF_F_HW_HSR_TAG_INS_BIT] =	 "hsr-tag-ins-offload",
73 	[NETIF_F_HW_HSR_TAG_RM_BIT] =	 "hsr-tag-rm-offload",
74 	[NETIF_F_HW_HSR_FWD_BIT] =	 "hsr-fwd-offload",
75 	[NETIF_F_HW_HSR_DUP_BIT] =	 "hsr-dup-offload",
76 };
77 
78 const char
79 rss_hash_func_strings[ETH_RSS_HASH_FUNCS_COUNT][ETH_GSTRING_LEN] = {
80 	[ETH_RSS_HASH_TOP_BIT] =	"toeplitz",
81 	[ETH_RSS_HASH_XOR_BIT] =	"xor",
82 	[ETH_RSS_HASH_CRC32_BIT] =	"crc32",
83 };
84 
85 const char
86 tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
87 	[ETHTOOL_ID_UNSPEC]     = "Unspec",
88 	[ETHTOOL_RX_COPYBREAK]	= "rx-copybreak",
89 	[ETHTOOL_TX_COPYBREAK]	= "tx-copybreak",
90 	[ETHTOOL_PFC_PREVENTION_TOUT] = "pfc-prevention-tout",
91 };
92 
93 const char
94 phy_tunable_strings[__ETHTOOL_PHY_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
95 	[ETHTOOL_ID_UNSPEC]     = "Unspec",
96 	[ETHTOOL_PHY_DOWNSHIFT]	= "phy-downshift",
97 	[ETHTOOL_PHY_FAST_LINK_DOWN] = "phy-fast-link-down",
98 	[ETHTOOL_PHY_EDPD]	= "phy-energy-detect-power-down",
99 };
100 
101 #define __LINK_MODE_NAME(speed, type, duplex) \
102 	#speed "base" #type "/" #duplex
103 #define __DEFINE_LINK_MODE_NAME(speed, type, duplex) \
104 	[ETHTOOL_LINK_MODE(speed, type, duplex)] = \
105 	__LINK_MODE_NAME(speed, type, duplex)
106 #define __DEFINE_SPECIAL_MODE_NAME(_mode, _name) \
107 	[ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = _name
108 
109 const char link_mode_names[][ETH_GSTRING_LEN] = {
110 	__DEFINE_LINK_MODE_NAME(10, T, Half),
111 	__DEFINE_LINK_MODE_NAME(10, T, Full),
112 	__DEFINE_LINK_MODE_NAME(100, T, Half),
113 	__DEFINE_LINK_MODE_NAME(100, T, Full),
114 	__DEFINE_LINK_MODE_NAME(1000, T, Half),
115 	__DEFINE_LINK_MODE_NAME(1000, T, Full),
116 	__DEFINE_SPECIAL_MODE_NAME(Autoneg, "Autoneg"),
117 	__DEFINE_SPECIAL_MODE_NAME(TP, "TP"),
118 	__DEFINE_SPECIAL_MODE_NAME(AUI, "AUI"),
119 	__DEFINE_SPECIAL_MODE_NAME(MII, "MII"),
120 	__DEFINE_SPECIAL_MODE_NAME(FIBRE, "FIBRE"),
121 	__DEFINE_SPECIAL_MODE_NAME(BNC, "BNC"),
122 	__DEFINE_LINK_MODE_NAME(10000, T, Full),
123 	__DEFINE_SPECIAL_MODE_NAME(Pause, "Pause"),
124 	__DEFINE_SPECIAL_MODE_NAME(Asym_Pause, "Asym_Pause"),
125 	__DEFINE_LINK_MODE_NAME(2500, X, Full),
126 	__DEFINE_SPECIAL_MODE_NAME(Backplane, "Backplane"),
127 	__DEFINE_LINK_MODE_NAME(1000, KX, Full),
128 	__DEFINE_LINK_MODE_NAME(10000, KX4, Full),
129 	__DEFINE_LINK_MODE_NAME(10000, KR, Full),
130 	__DEFINE_SPECIAL_MODE_NAME(10000baseR_FEC, "10000baseR_FEC"),
131 	__DEFINE_LINK_MODE_NAME(20000, MLD2, Full),
132 	__DEFINE_LINK_MODE_NAME(20000, KR2, Full),
133 	__DEFINE_LINK_MODE_NAME(40000, KR4, Full),
134 	__DEFINE_LINK_MODE_NAME(40000, CR4, Full),
135 	__DEFINE_LINK_MODE_NAME(40000, SR4, Full),
136 	__DEFINE_LINK_MODE_NAME(40000, LR4, Full),
137 	__DEFINE_LINK_MODE_NAME(56000, KR4, Full),
138 	__DEFINE_LINK_MODE_NAME(56000, CR4, Full),
139 	__DEFINE_LINK_MODE_NAME(56000, SR4, Full),
140 	__DEFINE_LINK_MODE_NAME(56000, LR4, Full),
141 	__DEFINE_LINK_MODE_NAME(25000, CR, Full),
142 	__DEFINE_LINK_MODE_NAME(25000, KR, Full),
143 	__DEFINE_LINK_MODE_NAME(25000, SR, Full),
144 	__DEFINE_LINK_MODE_NAME(50000, CR2, Full),
145 	__DEFINE_LINK_MODE_NAME(50000, KR2, Full),
146 	__DEFINE_LINK_MODE_NAME(100000, KR4, Full),
147 	__DEFINE_LINK_MODE_NAME(100000, SR4, Full),
148 	__DEFINE_LINK_MODE_NAME(100000, CR4, Full),
149 	__DEFINE_LINK_MODE_NAME(100000, LR4_ER4, Full),
150 	__DEFINE_LINK_MODE_NAME(50000, SR2, Full),
151 	__DEFINE_LINK_MODE_NAME(1000, X, Full),
152 	__DEFINE_LINK_MODE_NAME(10000, CR, Full),
153 	__DEFINE_LINK_MODE_NAME(10000, SR, Full),
154 	__DEFINE_LINK_MODE_NAME(10000, LR, Full),
155 	__DEFINE_LINK_MODE_NAME(10000, LRM, Full),
156 	__DEFINE_LINK_MODE_NAME(10000, ER, Full),
157 	__DEFINE_LINK_MODE_NAME(2500, T, Full),
158 	__DEFINE_LINK_MODE_NAME(5000, T, Full),
159 	__DEFINE_SPECIAL_MODE_NAME(FEC_NONE, "None"),
160 	__DEFINE_SPECIAL_MODE_NAME(FEC_RS, "RS"),
161 	__DEFINE_SPECIAL_MODE_NAME(FEC_BASER, "BASER"),
162 	__DEFINE_LINK_MODE_NAME(50000, KR, Full),
163 	__DEFINE_LINK_MODE_NAME(50000, SR, Full),
164 	__DEFINE_LINK_MODE_NAME(50000, CR, Full),
165 	__DEFINE_LINK_MODE_NAME(50000, LR_ER_FR, Full),
166 	__DEFINE_LINK_MODE_NAME(50000, DR, Full),
167 	__DEFINE_LINK_MODE_NAME(100000, KR2, Full),
168 	__DEFINE_LINK_MODE_NAME(100000, SR2, Full),
169 	__DEFINE_LINK_MODE_NAME(100000, CR2, Full),
170 	__DEFINE_LINK_MODE_NAME(100000, LR2_ER2_FR2, Full),
171 	__DEFINE_LINK_MODE_NAME(100000, DR2, Full),
172 	__DEFINE_LINK_MODE_NAME(200000, KR4, Full),
173 	__DEFINE_LINK_MODE_NAME(200000, SR4, Full),
174 	__DEFINE_LINK_MODE_NAME(200000, LR4_ER4_FR4, Full),
175 	__DEFINE_LINK_MODE_NAME(200000, DR4, Full),
176 	__DEFINE_LINK_MODE_NAME(200000, CR4, Full),
177 	__DEFINE_LINK_MODE_NAME(100, T1, Full),
178 	__DEFINE_LINK_MODE_NAME(1000, T1, Full),
179 	__DEFINE_LINK_MODE_NAME(400000, KR8, Full),
180 	__DEFINE_LINK_MODE_NAME(400000, SR8, Full),
181 	__DEFINE_LINK_MODE_NAME(400000, LR8_ER8_FR8, Full),
182 	__DEFINE_LINK_MODE_NAME(400000, DR8, Full),
183 	__DEFINE_LINK_MODE_NAME(400000, CR8, Full),
184 	__DEFINE_SPECIAL_MODE_NAME(FEC_LLRS, "LLRS"),
185 	__DEFINE_LINK_MODE_NAME(100000, KR, Full),
186 	__DEFINE_LINK_MODE_NAME(100000, SR, Full),
187 	__DEFINE_LINK_MODE_NAME(100000, LR_ER_FR, Full),
188 	__DEFINE_LINK_MODE_NAME(100000, DR, Full),
189 	__DEFINE_LINK_MODE_NAME(100000, CR, Full),
190 	__DEFINE_LINK_MODE_NAME(200000, KR2, Full),
191 	__DEFINE_LINK_MODE_NAME(200000, SR2, Full),
192 	__DEFINE_LINK_MODE_NAME(200000, LR2_ER2_FR2, Full),
193 	__DEFINE_LINK_MODE_NAME(200000, DR2, Full),
194 	__DEFINE_LINK_MODE_NAME(200000, CR2, Full),
195 	__DEFINE_LINK_MODE_NAME(400000, KR4, Full),
196 	__DEFINE_LINK_MODE_NAME(400000, SR4, Full),
197 	__DEFINE_LINK_MODE_NAME(400000, LR4_ER4_FR4, Full),
198 	__DEFINE_LINK_MODE_NAME(400000, DR4, Full),
199 	__DEFINE_LINK_MODE_NAME(400000, CR4, Full),
200 	__DEFINE_LINK_MODE_NAME(100, FX, Half),
201 	__DEFINE_LINK_MODE_NAME(100, FX, Full),
202 };
203 static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS);
204 
205 #define __LINK_MODE_LANES_CR		1
206 #define __LINK_MODE_LANES_CR2		2
207 #define __LINK_MODE_LANES_CR4		4
208 #define __LINK_MODE_LANES_CR8		8
209 #define __LINK_MODE_LANES_DR		1
210 #define __LINK_MODE_LANES_DR2		2
211 #define __LINK_MODE_LANES_DR4		4
212 #define __LINK_MODE_LANES_DR8		8
213 #define __LINK_MODE_LANES_KR		1
214 #define __LINK_MODE_LANES_KR2		2
215 #define __LINK_MODE_LANES_KR4		4
216 #define __LINK_MODE_LANES_KR8		8
217 #define __LINK_MODE_LANES_SR		1
218 #define __LINK_MODE_LANES_SR2		2
219 #define __LINK_MODE_LANES_SR4		4
220 #define __LINK_MODE_LANES_SR8		8
221 #define __LINK_MODE_LANES_ER		1
222 #define __LINK_MODE_LANES_KX		1
223 #define __LINK_MODE_LANES_KX4		4
224 #define __LINK_MODE_LANES_LR		1
225 #define __LINK_MODE_LANES_LR4		4
226 #define __LINK_MODE_LANES_LR4_ER4	4
227 #define __LINK_MODE_LANES_LR_ER_FR	1
228 #define __LINK_MODE_LANES_LR2_ER2_FR2	2
229 #define __LINK_MODE_LANES_LR4_ER4_FR4	4
230 #define __LINK_MODE_LANES_LR8_ER8_FR8	8
231 #define __LINK_MODE_LANES_LRM		1
232 #define __LINK_MODE_LANES_MLD2		2
233 #define __LINK_MODE_LANES_T		1
234 #define __LINK_MODE_LANES_T1		1
235 #define __LINK_MODE_LANES_X		1
236 #define __LINK_MODE_LANES_FX		1
237 
238 #define __DEFINE_LINK_MODE_PARAMS(_speed, _type, _duplex)	\
239 	[ETHTOOL_LINK_MODE(_speed, _type, _duplex)] = {		\
240 		.speed  = SPEED_ ## _speed, \
241 		.lanes  = __LINK_MODE_LANES_ ## _type, \
242 		.duplex	= __DUPLEX_ ## _duplex \
243 	}
244 #define __DUPLEX_Half DUPLEX_HALF
245 #define __DUPLEX_Full DUPLEX_FULL
246 #define __DEFINE_SPECIAL_MODE_PARAMS(_mode) \
247 	[ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = { \
248 		.speed	= SPEED_UNKNOWN, \
249 		.lanes	= 0, \
250 		.duplex	= DUPLEX_UNKNOWN, \
251 	}
252 
253 const struct link_mode_info link_mode_params[] = {
254 	__DEFINE_LINK_MODE_PARAMS(10, T, Half),
255 	__DEFINE_LINK_MODE_PARAMS(10, T, Full),
256 	__DEFINE_LINK_MODE_PARAMS(100, T, Half),
257 	__DEFINE_LINK_MODE_PARAMS(100, T, Full),
258 	__DEFINE_LINK_MODE_PARAMS(1000, T, Half),
259 	__DEFINE_LINK_MODE_PARAMS(1000, T, Full),
260 	__DEFINE_SPECIAL_MODE_PARAMS(Autoneg),
261 	__DEFINE_SPECIAL_MODE_PARAMS(TP),
262 	__DEFINE_SPECIAL_MODE_PARAMS(AUI),
263 	__DEFINE_SPECIAL_MODE_PARAMS(MII),
264 	__DEFINE_SPECIAL_MODE_PARAMS(FIBRE),
265 	__DEFINE_SPECIAL_MODE_PARAMS(BNC),
266 	__DEFINE_LINK_MODE_PARAMS(10000, T, Full),
267 	__DEFINE_SPECIAL_MODE_PARAMS(Pause),
268 	__DEFINE_SPECIAL_MODE_PARAMS(Asym_Pause),
269 	__DEFINE_LINK_MODE_PARAMS(2500, X, Full),
270 	__DEFINE_SPECIAL_MODE_PARAMS(Backplane),
271 	__DEFINE_LINK_MODE_PARAMS(1000, KX, Full),
272 	__DEFINE_LINK_MODE_PARAMS(10000, KX4, Full),
273 	__DEFINE_LINK_MODE_PARAMS(10000, KR, Full),
274 	[ETHTOOL_LINK_MODE_10000baseR_FEC_BIT] = {
275 		.speed	= SPEED_10000,
276 		.lanes	= 1,
277 		.duplex = DUPLEX_FULL,
278 	},
279 	__DEFINE_LINK_MODE_PARAMS(20000, MLD2, Full),
280 	__DEFINE_LINK_MODE_PARAMS(20000, KR2, Full),
281 	__DEFINE_LINK_MODE_PARAMS(40000, KR4, Full),
282 	__DEFINE_LINK_MODE_PARAMS(40000, CR4, Full),
283 	__DEFINE_LINK_MODE_PARAMS(40000, SR4, Full),
284 	__DEFINE_LINK_MODE_PARAMS(40000, LR4, Full),
285 	__DEFINE_LINK_MODE_PARAMS(56000, KR4, Full),
286 	__DEFINE_LINK_MODE_PARAMS(56000, CR4, Full),
287 	__DEFINE_LINK_MODE_PARAMS(56000, SR4, Full),
288 	__DEFINE_LINK_MODE_PARAMS(56000, LR4, Full),
289 	__DEFINE_LINK_MODE_PARAMS(25000, CR, Full),
290 	__DEFINE_LINK_MODE_PARAMS(25000, KR, Full),
291 	__DEFINE_LINK_MODE_PARAMS(25000, SR, Full),
292 	__DEFINE_LINK_MODE_PARAMS(50000, CR2, Full),
293 	__DEFINE_LINK_MODE_PARAMS(50000, KR2, Full),
294 	__DEFINE_LINK_MODE_PARAMS(100000, KR4, Full),
295 	__DEFINE_LINK_MODE_PARAMS(100000, SR4, Full),
296 	__DEFINE_LINK_MODE_PARAMS(100000, CR4, Full),
297 	__DEFINE_LINK_MODE_PARAMS(100000, LR4_ER4, Full),
298 	__DEFINE_LINK_MODE_PARAMS(50000, SR2, Full),
299 	__DEFINE_LINK_MODE_PARAMS(1000, X, Full),
300 	__DEFINE_LINK_MODE_PARAMS(10000, CR, Full),
301 	__DEFINE_LINK_MODE_PARAMS(10000, SR, Full),
302 	__DEFINE_LINK_MODE_PARAMS(10000, LR, Full),
303 	__DEFINE_LINK_MODE_PARAMS(10000, LRM, Full),
304 	__DEFINE_LINK_MODE_PARAMS(10000, ER, Full),
305 	__DEFINE_LINK_MODE_PARAMS(2500, T, Full),
306 	__DEFINE_LINK_MODE_PARAMS(5000, T, Full),
307 	__DEFINE_SPECIAL_MODE_PARAMS(FEC_NONE),
308 	__DEFINE_SPECIAL_MODE_PARAMS(FEC_RS),
309 	__DEFINE_SPECIAL_MODE_PARAMS(FEC_BASER),
310 	__DEFINE_LINK_MODE_PARAMS(50000, KR, Full),
311 	__DEFINE_LINK_MODE_PARAMS(50000, SR, Full),
312 	__DEFINE_LINK_MODE_PARAMS(50000, CR, Full),
313 	__DEFINE_LINK_MODE_PARAMS(50000, LR_ER_FR, Full),
314 	__DEFINE_LINK_MODE_PARAMS(50000, DR, Full),
315 	__DEFINE_LINK_MODE_PARAMS(100000, KR2, Full),
316 	__DEFINE_LINK_MODE_PARAMS(100000, SR2, Full),
317 	__DEFINE_LINK_MODE_PARAMS(100000, CR2, Full),
318 	__DEFINE_LINK_MODE_PARAMS(100000, LR2_ER2_FR2, Full),
319 	__DEFINE_LINK_MODE_PARAMS(100000, DR2, Full),
320 	__DEFINE_LINK_MODE_PARAMS(200000, KR4, Full),
321 	__DEFINE_LINK_MODE_PARAMS(200000, SR4, Full),
322 	__DEFINE_LINK_MODE_PARAMS(200000, LR4_ER4_FR4, Full),
323 	__DEFINE_LINK_MODE_PARAMS(200000, DR4, Full),
324 	__DEFINE_LINK_MODE_PARAMS(200000, CR4, Full),
325 	__DEFINE_LINK_MODE_PARAMS(100, T1, Full),
326 	__DEFINE_LINK_MODE_PARAMS(1000, T1, Full),
327 	__DEFINE_LINK_MODE_PARAMS(400000, KR8, Full),
328 	__DEFINE_LINK_MODE_PARAMS(400000, SR8, Full),
329 	__DEFINE_LINK_MODE_PARAMS(400000, LR8_ER8_FR8, Full),
330 	__DEFINE_LINK_MODE_PARAMS(400000, DR8, Full),
331 	__DEFINE_LINK_MODE_PARAMS(400000, CR8, Full),
332 	__DEFINE_SPECIAL_MODE_PARAMS(FEC_LLRS),
333 	__DEFINE_LINK_MODE_PARAMS(100000, KR, Full),
334 	__DEFINE_LINK_MODE_PARAMS(100000, SR, Full),
335 	__DEFINE_LINK_MODE_PARAMS(100000, LR_ER_FR, Full),
336 	__DEFINE_LINK_MODE_PARAMS(100000, DR, Full),
337 	__DEFINE_LINK_MODE_PARAMS(100000, CR, Full),
338 	__DEFINE_LINK_MODE_PARAMS(200000, KR2, Full),
339 	__DEFINE_LINK_MODE_PARAMS(200000, SR2, Full),
340 	__DEFINE_LINK_MODE_PARAMS(200000, LR2_ER2_FR2, Full),
341 	__DEFINE_LINK_MODE_PARAMS(200000, DR2, Full),
342 	__DEFINE_LINK_MODE_PARAMS(200000, CR2, Full),
343 	__DEFINE_LINK_MODE_PARAMS(400000, KR4, Full),
344 	__DEFINE_LINK_MODE_PARAMS(400000, SR4, Full),
345 	__DEFINE_LINK_MODE_PARAMS(400000, LR4_ER4_FR4, Full),
346 	__DEFINE_LINK_MODE_PARAMS(400000, DR4, Full),
347 	__DEFINE_LINK_MODE_PARAMS(400000, CR4, Full),
348 	__DEFINE_LINK_MODE_PARAMS(100, FX, Half),
349 	__DEFINE_LINK_MODE_PARAMS(100, FX, Full),
350 };
351 static_assert(ARRAY_SIZE(link_mode_params) == __ETHTOOL_LINK_MODE_MASK_NBITS);
352 
353 const char netif_msg_class_names[][ETH_GSTRING_LEN] = {
354 	[NETIF_MSG_DRV_BIT]		= "drv",
355 	[NETIF_MSG_PROBE_BIT]		= "probe",
356 	[NETIF_MSG_LINK_BIT]		= "link",
357 	[NETIF_MSG_TIMER_BIT]		= "timer",
358 	[NETIF_MSG_IFDOWN_BIT]		= "ifdown",
359 	[NETIF_MSG_IFUP_BIT]		= "ifup",
360 	[NETIF_MSG_RX_ERR_BIT]		= "rx_err",
361 	[NETIF_MSG_TX_ERR_BIT]		= "tx_err",
362 	[NETIF_MSG_TX_QUEUED_BIT]	= "tx_queued",
363 	[NETIF_MSG_INTR_BIT]		= "intr",
364 	[NETIF_MSG_TX_DONE_BIT]		= "tx_done",
365 	[NETIF_MSG_RX_STATUS_BIT]	= "rx_status",
366 	[NETIF_MSG_PKTDATA_BIT]		= "pktdata",
367 	[NETIF_MSG_HW_BIT]		= "hw",
368 	[NETIF_MSG_WOL_BIT]		= "wol",
369 };
370 static_assert(ARRAY_SIZE(netif_msg_class_names) == NETIF_MSG_CLASS_COUNT);
371 
372 const char wol_mode_names[][ETH_GSTRING_LEN] = {
373 	[const_ilog2(WAKE_PHY)]		= "phy",
374 	[const_ilog2(WAKE_UCAST)]	= "ucast",
375 	[const_ilog2(WAKE_MCAST)]	= "mcast",
376 	[const_ilog2(WAKE_BCAST)]	= "bcast",
377 	[const_ilog2(WAKE_ARP)]		= "arp",
378 	[const_ilog2(WAKE_MAGIC)]	= "magic",
379 	[const_ilog2(WAKE_MAGICSECURE)]	= "magicsecure",
380 	[const_ilog2(WAKE_FILTER)]	= "filter",
381 };
382 static_assert(ARRAY_SIZE(wol_mode_names) == WOL_MODE_COUNT);
383 
384 const char sof_timestamping_names[][ETH_GSTRING_LEN] = {
385 	[const_ilog2(SOF_TIMESTAMPING_TX_HARDWARE)]  = "hardware-transmit",
386 	[const_ilog2(SOF_TIMESTAMPING_TX_SOFTWARE)]  = "software-transmit",
387 	[const_ilog2(SOF_TIMESTAMPING_RX_HARDWARE)]  = "hardware-receive",
388 	[const_ilog2(SOF_TIMESTAMPING_RX_SOFTWARE)]  = "software-receive",
389 	[const_ilog2(SOF_TIMESTAMPING_SOFTWARE)]     = "software-system-clock",
390 	[const_ilog2(SOF_TIMESTAMPING_SYS_HARDWARE)] = "hardware-legacy-clock",
391 	[const_ilog2(SOF_TIMESTAMPING_RAW_HARDWARE)] = "hardware-raw-clock",
392 	[const_ilog2(SOF_TIMESTAMPING_OPT_ID)]       = "option-id",
393 	[const_ilog2(SOF_TIMESTAMPING_TX_SCHED)]     = "sched-transmit",
394 	[const_ilog2(SOF_TIMESTAMPING_TX_ACK)]       = "ack-transmit",
395 	[const_ilog2(SOF_TIMESTAMPING_OPT_CMSG)]     = "option-cmsg",
396 	[const_ilog2(SOF_TIMESTAMPING_OPT_TSONLY)]   = "option-tsonly",
397 	[const_ilog2(SOF_TIMESTAMPING_OPT_STATS)]    = "option-stats",
398 	[const_ilog2(SOF_TIMESTAMPING_OPT_PKTINFO)]  = "option-pktinfo",
399 	[const_ilog2(SOF_TIMESTAMPING_OPT_TX_SWHW)]  = "option-tx-swhw",
400 };
401 static_assert(ARRAY_SIZE(sof_timestamping_names) == __SOF_TIMESTAMPING_CNT);
402 
403 const char ts_tx_type_names[][ETH_GSTRING_LEN] = {
404 	[HWTSTAMP_TX_OFF]		= "off",
405 	[HWTSTAMP_TX_ON]		= "on",
406 	[HWTSTAMP_TX_ONESTEP_SYNC]	= "onestep-sync",
407 	[HWTSTAMP_TX_ONESTEP_P2P]	= "onestep-p2p",
408 };
409 static_assert(ARRAY_SIZE(ts_tx_type_names) == __HWTSTAMP_TX_CNT);
410 
411 const char ts_rx_filter_names[][ETH_GSTRING_LEN] = {
412 	[HWTSTAMP_FILTER_NONE]			= "none",
413 	[HWTSTAMP_FILTER_ALL]			= "all",
414 	[HWTSTAMP_FILTER_SOME]			= "some",
415 	[HWTSTAMP_FILTER_PTP_V1_L4_EVENT]	= "ptpv1-l4-event",
416 	[HWTSTAMP_FILTER_PTP_V1_L4_SYNC]	= "ptpv1-l4-sync",
417 	[HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ]	= "ptpv1-l4-delay-req",
418 	[HWTSTAMP_FILTER_PTP_V2_L4_EVENT]	= "ptpv2-l4-event",
419 	[HWTSTAMP_FILTER_PTP_V2_L4_SYNC]	= "ptpv2-l4-sync",
420 	[HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ]	= "ptpv2-l4-delay-req",
421 	[HWTSTAMP_FILTER_PTP_V2_L2_EVENT]	= "ptpv2-l2-event",
422 	[HWTSTAMP_FILTER_PTP_V2_L2_SYNC]	= "ptpv2-l2-sync",
423 	[HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ]	= "ptpv2-l2-delay-req",
424 	[HWTSTAMP_FILTER_PTP_V2_EVENT]		= "ptpv2-event",
425 	[HWTSTAMP_FILTER_PTP_V2_SYNC]		= "ptpv2-sync",
426 	[HWTSTAMP_FILTER_PTP_V2_DELAY_REQ]	= "ptpv2-delay-req",
427 	[HWTSTAMP_FILTER_NTP_ALL]		= "ntp-all",
428 };
429 static_assert(ARRAY_SIZE(ts_rx_filter_names) == __HWTSTAMP_FILTER_CNT);
430 
431 const char udp_tunnel_type_names[][ETH_GSTRING_LEN] = {
432 	[ETHTOOL_UDP_TUNNEL_TYPE_VXLAN]		= "vxlan",
433 	[ETHTOOL_UDP_TUNNEL_TYPE_GENEVE]	= "geneve",
434 	[ETHTOOL_UDP_TUNNEL_TYPE_VXLAN_GPE]	= "vxlan-gpe",
435 };
436 static_assert(ARRAY_SIZE(udp_tunnel_type_names) ==
437 	      __ETHTOOL_UDP_TUNNEL_TYPE_CNT);
438 
439 /* return false if legacy contained non-0 deprecated fields
440  * maxtxpkt/maxrxpkt. rest of ksettings always updated
441  */
442 bool
443 convert_legacy_settings_to_link_ksettings(
444 	struct ethtool_link_ksettings *link_ksettings,
445 	const struct ethtool_cmd *legacy_settings)
446 {
447 	bool retval = true;
448 
449 	memset(link_ksettings, 0, sizeof(*link_ksettings));
450 
451 	/* This is used to tell users that driver is still using these
452 	 * deprecated legacy fields, and they should not use
453 	 * %ETHTOOL_GLINKSETTINGS/%ETHTOOL_SLINKSETTINGS
454 	 */
455 	if (legacy_settings->maxtxpkt ||
456 	    legacy_settings->maxrxpkt)
457 		retval = false;
458 
459 	ethtool_convert_legacy_u32_to_link_mode(
460 		link_ksettings->link_modes.supported,
461 		legacy_settings->supported);
462 	ethtool_convert_legacy_u32_to_link_mode(
463 		link_ksettings->link_modes.advertising,
464 		legacy_settings->advertising);
465 	ethtool_convert_legacy_u32_to_link_mode(
466 		link_ksettings->link_modes.lp_advertising,
467 		legacy_settings->lp_advertising);
468 	link_ksettings->base.speed
469 		= ethtool_cmd_speed(legacy_settings);
470 	link_ksettings->base.duplex
471 		= legacy_settings->duplex;
472 	link_ksettings->base.port
473 		= legacy_settings->port;
474 	link_ksettings->base.phy_address
475 		= legacy_settings->phy_address;
476 	link_ksettings->base.autoneg
477 		= legacy_settings->autoneg;
478 	link_ksettings->base.mdio_support
479 		= legacy_settings->mdio_support;
480 	link_ksettings->base.eth_tp_mdix
481 		= legacy_settings->eth_tp_mdix;
482 	link_ksettings->base.eth_tp_mdix_ctrl
483 		= legacy_settings->eth_tp_mdix_ctrl;
484 	return retval;
485 }
486 
487 int __ethtool_get_link(struct net_device *dev)
488 {
489 	if (!dev->ethtool_ops->get_link)
490 		return -EOPNOTSUPP;
491 
492 	return netif_running(dev) && dev->ethtool_ops->get_link(dev);
493 }
494 
495 int ethtool_get_max_rxfh_channel(struct net_device *dev, u32 *max)
496 {
497 	u32 dev_size, current_max = 0;
498 	u32 *indir;
499 	int ret;
500 
501 	if (!dev->ethtool_ops->get_rxfh_indir_size ||
502 	    !dev->ethtool_ops->get_rxfh)
503 		return -EOPNOTSUPP;
504 	dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev);
505 	if (dev_size == 0)
506 		return -EOPNOTSUPP;
507 
508 	indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER);
509 	if (!indir)
510 		return -ENOMEM;
511 
512 	ret = dev->ethtool_ops->get_rxfh(dev, indir, NULL, NULL);
513 	if (ret)
514 		goto out;
515 
516 	while (dev_size--)
517 		current_max = max(current_max, indir[dev_size]);
518 
519 	*max = current_max;
520 
521 out:
522 	kfree(indir);
523 	return ret;
524 }
525 
526 int ethtool_check_ops(const struct ethtool_ops *ops)
527 {
528 	if (WARN_ON(ops->set_coalesce && !ops->supported_coalesce_params))
529 		return -EINVAL;
530 	/* NOTE: sufficiently insane drivers may swap ethtool_ops at runtime,
531 	 * the fact that ops are checked at registration time does not
532 	 * mean the ops attached to a netdev later on are sane.
533 	 */
534 	return 0;
535 }
536 
537 int __ethtool_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
538 {
539 	const struct ethtool_ops *ops = dev->ethtool_ops;
540 	struct phy_device *phydev = dev->phydev;
541 
542 	memset(info, 0, sizeof(*info));
543 	info->cmd = ETHTOOL_GET_TS_INFO;
544 
545 	if (phy_has_tsinfo(phydev))
546 		return phy_ts_info(phydev, info);
547 	if (ops->get_ts_info)
548 		return ops->get_ts_info(dev, info);
549 
550 	info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
551 				SOF_TIMESTAMPING_SOFTWARE;
552 	info->phc_index = -1;
553 
554 	return 0;
555 }
556 
557 const struct ethtool_phy_ops *ethtool_phy_ops;
558 
559 void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops)
560 {
561 	rtnl_lock();
562 	ethtool_phy_ops = ops;
563 	rtnl_unlock();
564 }
565 EXPORT_SYMBOL_GPL(ethtool_set_ethtool_phy_ops);
566 
567 void
568 ethtool_params_from_link_mode(struct ethtool_link_ksettings *link_ksettings,
569 			      enum ethtool_link_mode_bit_indices link_mode)
570 {
571 	const struct link_mode_info *link_info;
572 
573 	if (WARN_ON_ONCE(link_mode >= __ETHTOOL_LINK_MODE_MASK_NBITS))
574 		return;
575 
576 	link_info = &link_mode_params[link_mode];
577 	link_ksettings->base.speed = link_info->speed;
578 	link_ksettings->lanes = link_info->lanes;
579 	link_ksettings->base.duplex = link_info->duplex;
580 }
581 EXPORT_SYMBOL_GPL(ethtool_params_from_link_mode);
582