xref: /linux/net/ethtool/common.c (revision 0da908c291070d89482f6211dbe81d4d43c3f7cb)
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 #include <linux/ptp_clock_kernel.h>
8 
9 #include "common.h"
10 
11 const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] = {
12 	[NETIF_F_SG_BIT] =               "tx-scatter-gather",
13 	[NETIF_F_IP_CSUM_BIT] =          "tx-checksum-ipv4",
14 	[NETIF_F_HW_CSUM_BIT] =          "tx-checksum-ip-generic",
15 	[NETIF_F_IPV6_CSUM_BIT] =        "tx-checksum-ipv6",
16 	[NETIF_F_HIGHDMA_BIT] =          "highdma",
17 	[NETIF_F_FRAGLIST_BIT] =         "tx-scatter-gather-fraglist",
18 	[NETIF_F_HW_VLAN_CTAG_TX_BIT] =  "tx-vlan-hw-insert",
19 
20 	[NETIF_F_HW_VLAN_CTAG_RX_BIT] =  "rx-vlan-hw-parse",
21 	[NETIF_F_HW_VLAN_CTAG_FILTER_BIT] = "rx-vlan-filter",
22 	[NETIF_F_HW_VLAN_STAG_TX_BIT] =  "tx-vlan-stag-hw-insert",
23 	[NETIF_F_HW_VLAN_STAG_RX_BIT] =  "rx-vlan-stag-hw-parse",
24 	[NETIF_F_HW_VLAN_STAG_FILTER_BIT] = "rx-vlan-stag-filter",
25 	[NETIF_F_VLAN_CHALLENGED_BIT] =  "vlan-challenged",
26 	[NETIF_F_GSO_BIT] =              "tx-generic-segmentation",
27 	[NETIF_F_LLTX_BIT] =             "tx-lockless",
28 	[NETIF_F_NETNS_LOCAL_BIT] =      "netns-local",
29 	[NETIF_F_GRO_BIT] =              "rx-gro",
30 	[NETIF_F_GRO_HW_BIT] =           "rx-gro-hw",
31 	[NETIF_F_LRO_BIT] =              "rx-lro",
32 
33 	[NETIF_F_TSO_BIT] =              "tx-tcp-segmentation",
34 	[NETIF_F_GSO_ROBUST_BIT] =       "tx-gso-robust",
35 	[NETIF_F_TSO_ECN_BIT] =          "tx-tcp-ecn-segmentation",
36 	[NETIF_F_TSO_MANGLEID_BIT] =	 "tx-tcp-mangleid-segmentation",
37 	[NETIF_F_TSO6_BIT] =             "tx-tcp6-segmentation",
38 	[NETIF_F_FSO_BIT] =              "tx-fcoe-segmentation",
39 	[NETIF_F_GSO_GRE_BIT] =		 "tx-gre-segmentation",
40 	[NETIF_F_GSO_GRE_CSUM_BIT] =	 "tx-gre-csum-segmentation",
41 	[NETIF_F_GSO_IPXIP4_BIT] =	 "tx-ipxip4-segmentation",
42 	[NETIF_F_GSO_IPXIP6_BIT] =	 "tx-ipxip6-segmentation",
43 	[NETIF_F_GSO_UDP_TUNNEL_BIT] =	 "tx-udp_tnl-segmentation",
44 	[NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT] = "tx-udp_tnl-csum-segmentation",
45 	[NETIF_F_GSO_PARTIAL_BIT] =	 "tx-gso-partial",
46 	[NETIF_F_GSO_TUNNEL_REMCSUM_BIT] = "tx-tunnel-remcsum-segmentation",
47 	[NETIF_F_GSO_SCTP_BIT] =	 "tx-sctp-segmentation",
48 	[NETIF_F_GSO_ESP_BIT] =		 "tx-esp-segmentation",
49 	[NETIF_F_GSO_UDP_L4_BIT] =	 "tx-udp-segmentation",
50 	[NETIF_F_GSO_FRAGLIST_BIT] =	 "tx-gso-list",
51 
52 	[NETIF_F_FCOE_CRC_BIT] =         "tx-checksum-fcoe-crc",
53 	[NETIF_F_SCTP_CRC_BIT] =        "tx-checksum-sctp",
54 	[NETIF_F_FCOE_MTU_BIT] =         "fcoe-mtu",
55 	[NETIF_F_NTUPLE_BIT] =           "rx-ntuple-filter",
56 	[NETIF_F_RXHASH_BIT] =           "rx-hashing",
57 	[NETIF_F_RXCSUM_BIT] =           "rx-checksum",
58 	[NETIF_F_NOCACHE_COPY_BIT] =     "tx-nocache-copy",
59 	[NETIF_F_LOOPBACK_BIT] =         "loopback",
60 	[NETIF_F_RXFCS_BIT] =            "rx-fcs",
61 	[NETIF_F_RXALL_BIT] =            "rx-all",
62 	[NETIF_F_HW_L2FW_DOFFLOAD_BIT] = "l2-fwd-offload",
63 	[NETIF_F_HW_TC_BIT] =		 "hw-tc-offload",
64 	[NETIF_F_HW_ESP_BIT] =		 "esp-hw-offload",
65 	[NETIF_F_HW_ESP_TX_CSUM_BIT] =	 "esp-tx-csum-hw-offload",
66 	[NETIF_F_RX_UDP_TUNNEL_PORT_BIT] =	 "rx-udp_tunnel-port-offload",
67 	[NETIF_F_HW_TLS_RECORD_BIT] =	"tls-hw-record",
68 	[NETIF_F_HW_TLS_TX_BIT] =	 "tls-hw-tx-offload",
69 	[NETIF_F_HW_TLS_RX_BIT] =	 "tls-hw-rx-offload",
70 	[NETIF_F_GRO_FRAGLIST_BIT] =	 "rx-gro-list",
71 	[NETIF_F_HW_MACSEC_BIT] =	 "macsec-hw-offload",
72 	[NETIF_F_GRO_UDP_FWD_BIT] =	 "rx-udp-gro-forwarding",
73 	[NETIF_F_HW_HSR_TAG_INS_BIT] =	 "hsr-tag-ins-offload",
74 	[NETIF_F_HW_HSR_TAG_RM_BIT] =	 "hsr-tag-rm-offload",
75 	[NETIF_F_HW_HSR_FWD_BIT] =	 "hsr-fwd-offload",
76 	[NETIF_F_HW_HSR_DUP_BIT] =	 "hsr-dup-offload",
77 };
78 
79 const char
80 rss_hash_func_strings[ETH_RSS_HASH_FUNCS_COUNT][ETH_GSTRING_LEN] = {
81 	[ETH_RSS_HASH_TOP_BIT] =	"toeplitz",
82 	[ETH_RSS_HASH_XOR_BIT] =	"xor",
83 	[ETH_RSS_HASH_CRC32_BIT] =	"crc32",
84 };
85 
86 const char
87 tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
88 	[ETHTOOL_ID_UNSPEC]     = "Unspec",
89 	[ETHTOOL_RX_COPYBREAK]	= "rx-copybreak",
90 	[ETHTOOL_TX_COPYBREAK]	= "tx-copybreak",
91 	[ETHTOOL_PFC_PREVENTION_TOUT] = "pfc-prevention-tout",
92 	[ETHTOOL_TX_COPYBREAK_BUF_SIZE] = "tx-copybreak-buf-size",
93 };
94 
95 const char
96 phy_tunable_strings[__ETHTOOL_PHY_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
97 	[ETHTOOL_ID_UNSPEC]     = "Unspec",
98 	[ETHTOOL_PHY_DOWNSHIFT]	= "phy-downshift",
99 	[ETHTOOL_PHY_FAST_LINK_DOWN] = "phy-fast-link-down",
100 	[ETHTOOL_PHY_EDPD]	= "phy-energy-detect-power-down",
101 };
102 
103 #define __LINK_MODE_NAME(speed, type, duplex) \
104 	#speed "base" #type "/" #duplex
105 #define __DEFINE_LINK_MODE_NAME(speed, type, duplex) \
106 	[ETHTOOL_LINK_MODE(speed, type, duplex)] = \
107 	__LINK_MODE_NAME(speed, type, duplex)
108 #define __DEFINE_SPECIAL_MODE_NAME(_mode, _name) \
109 	[ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = _name
110 
111 const char link_mode_names[][ETH_GSTRING_LEN] = {
112 	__DEFINE_LINK_MODE_NAME(10, T, Half),
113 	__DEFINE_LINK_MODE_NAME(10, T, Full),
114 	__DEFINE_LINK_MODE_NAME(100, T, Half),
115 	__DEFINE_LINK_MODE_NAME(100, T, Full),
116 	__DEFINE_LINK_MODE_NAME(1000, T, Half),
117 	__DEFINE_LINK_MODE_NAME(1000, T, Full),
118 	__DEFINE_SPECIAL_MODE_NAME(Autoneg, "Autoneg"),
119 	__DEFINE_SPECIAL_MODE_NAME(TP, "TP"),
120 	__DEFINE_SPECIAL_MODE_NAME(AUI, "AUI"),
121 	__DEFINE_SPECIAL_MODE_NAME(MII, "MII"),
122 	__DEFINE_SPECIAL_MODE_NAME(FIBRE, "FIBRE"),
123 	__DEFINE_SPECIAL_MODE_NAME(BNC, "BNC"),
124 	__DEFINE_LINK_MODE_NAME(10000, T, Full),
125 	__DEFINE_SPECIAL_MODE_NAME(Pause, "Pause"),
126 	__DEFINE_SPECIAL_MODE_NAME(Asym_Pause, "Asym_Pause"),
127 	__DEFINE_LINK_MODE_NAME(2500, X, Full),
128 	__DEFINE_SPECIAL_MODE_NAME(Backplane, "Backplane"),
129 	__DEFINE_LINK_MODE_NAME(1000, KX, Full),
130 	__DEFINE_LINK_MODE_NAME(10000, KX4, Full),
131 	__DEFINE_LINK_MODE_NAME(10000, KR, Full),
132 	__DEFINE_SPECIAL_MODE_NAME(10000baseR_FEC, "10000baseR_FEC"),
133 	__DEFINE_LINK_MODE_NAME(20000, MLD2, Full),
134 	__DEFINE_LINK_MODE_NAME(20000, KR2, Full),
135 	__DEFINE_LINK_MODE_NAME(40000, KR4, Full),
136 	__DEFINE_LINK_MODE_NAME(40000, CR4, Full),
137 	__DEFINE_LINK_MODE_NAME(40000, SR4, Full),
138 	__DEFINE_LINK_MODE_NAME(40000, LR4, Full),
139 	__DEFINE_LINK_MODE_NAME(56000, KR4, Full),
140 	__DEFINE_LINK_MODE_NAME(56000, CR4, Full),
141 	__DEFINE_LINK_MODE_NAME(56000, SR4, Full),
142 	__DEFINE_LINK_MODE_NAME(56000, LR4, Full),
143 	__DEFINE_LINK_MODE_NAME(25000, CR, Full),
144 	__DEFINE_LINK_MODE_NAME(25000, KR, Full),
145 	__DEFINE_LINK_MODE_NAME(25000, SR, Full),
146 	__DEFINE_LINK_MODE_NAME(50000, CR2, Full),
147 	__DEFINE_LINK_MODE_NAME(50000, KR2, Full),
148 	__DEFINE_LINK_MODE_NAME(100000, KR4, Full),
149 	__DEFINE_LINK_MODE_NAME(100000, SR4, Full),
150 	__DEFINE_LINK_MODE_NAME(100000, CR4, Full),
151 	__DEFINE_LINK_MODE_NAME(100000, LR4_ER4, Full),
152 	__DEFINE_LINK_MODE_NAME(50000, SR2, Full),
153 	__DEFINE_LINK_MODE_NAME(1000, X, Full),
154 	__DEFINE_LINK_MODE_NAME(10000, CR, Full),
155 	__DEFINE_LINK_MODE_NAME(10000, SR, Full),
156 	__DEFINE_LINK_MODE_NAME(10000, LR, Full),
157 	__DEFINE_LINK_MODE_NAME(10000, LRM, Full),
158 	__DEFINE_LINK_MODE_NAME(10000, ER, Full),
159 	__DEFINE_LINK_MODE_NAME(2500, T, Full),
160 	__DEFINE_LINK_MODE_NAME(5000, T, Full),
161 	__DEFINE_SPECIAL_MODE_NAME(FEC_NONE, "None"),
162 	__DEFINE_SPECIAL_MODE_NAME(FEC_RS, "RS"),
163 	__DEFINE_SPECIAL_MODE_NAME(FEC_BASER, "BASER"),
164 	__DEFINE_LINK_MODE_NAME(50000, KR, Full),
165 	__DEFINE_LINK_MODE_NAME(50000, SR, Full),
166 	__DEFINE_LINK_MODE_NAME(50000, CR, Full),
167 	__DEFINE_LINK_MODE_NAME(50000, LR_ER_FR, Full),
168 	__DEFINE_LINK_MODE_NAME(50000, DR, Full),
169 	__DEFINE_LINK_MODE_NAME(100000, KR2, Full),
170 	__DEFINE_LINK_MODE_NAME(100000, SR2, Full),
171 	__DEFINE_LINK_MODE_NAME(100000, CR2, Full),
172 	__DEFINE_LINK_MODE_NAME(100000, LR2_ER2_FR2, Full),
173 	__DEFINE_LINK_MODE_NAME(100000, DR2, Full),
174 	__DEFINE_LINK_MODE_NAME(200000, KR4, Full),
175 	__DEFINE_LINK_MODE_NAME(200000, SR4, Full),
176 	__DEFINE_LINK_MODE_NAME(200000, LR4_ER4_FR4, Full),
177 	__DEFINE_LINK_MODE_NAME(200000, DR4, Full),
178 	__DEFINE_LINK_MODE_NAME(200000, CR4, Full),
179 	__DEFINE_LINK_MODE_NAME(100, T1, Full),
180 	__DEFINE_LINK_MODE_NAME(1000, T1, Full),
181 	__DEFINE_LINK_MODE_NAME(400000, KR8, Full),
182 	__DEFINE_LINK_MODE_NAME(400000, SR8, Full),
183 	__DEFINE_LINK_MODE_NAME(400000, LR8_ER8_FR8, Full),
184 	__DEFINE_LINK_MODE_NAME(400000, DR8, Full),
185 	__DEFINE_LINK_MODE_NAME(400000, CR8, Full),
186 	__DEFINE_SPECIAL_MODE_NAME(FEC_LLRS, "LLRS"),
187 	__DEFINE_LINK_MODE_NAME(100000, KR, Full),
188 	__DEFINE_LINK_MODE_NAME(100000, SR, Full),
189 	__DEFINE_LINK_MODE_NAME(100000, LR_ER_FR, Full),
190 	__DEFINE_LINK_MODE_NAME(100000, DR, Full),
191 	__DEFINE_LINK_MODE_NAME(100000, CR, Full),
192 	__DEFINE_LINK_MODE_NAME(200000, KR2, Full),
193 	__DEFINE_LINK_MODE_NAME(200000, SR2, Full),
194 	__DEFINE_LINK_MODE_NAME(200000, LR2_ER2_FR2, Full),
195 	__DEFINE_LINK_MODE_NAME(200000, DR2, Full),
196 	__DEFINE_LINK_MODE_NAME(200000, CR2, Full),
197 	__DEFINE_LINK_MODE_NAME(400000, KR4, Full),
198 	__DEFINE_LINK_MODE_NAME(400000, SR4, Full),
199 	__DEFINE_LINK_MODE_NAME(400000, LR4_ER4_FR4, Full),
200 	__DEFINE_LINK_MODE_NAME(400000, DR4, Full),
201 	__DEFINE_LINK_MODE_NAME(400000, CR4, Full),
202 	__DEFINE_LINK_MODE_NAME(100, FX, Half),
203 	__DEFINE_LINK_MODE_NAME(100, FX, Full),
204 	__DEFINE_LINK_MODE_NAME(10, T1L, Full),
205 	__DEFINE_LINK_MODE_NAME(800000, CR8, Full),
206 	__DEFINE_LINK_MODE_NAME(800000, KR8, Full),
207 	__DEFINE_LINK_MODE_NAME(800000, DR8, Full),
208 	__DEFINE_LINK_MODE_NAME(800000, DR8_2, Full),
209 	__DEFINE_LINK_MODE_NAME(800000, SR8, Full),
210 	__DEFINE_LINK_MODE_NAME(800000, VR8, Full),
211 };
212 static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS);
213 
214 #define __LINK_MODE_LANES_CR		1
215 #define __LINK_MODE_LANES_CR2		2
216 #define __LINK_MODE_LANES_CR4		4
217 #define __LINK_MODE_LANES_CR8		8
218 #define __LINK_MODE_LANES_DR		1
219 #define __LINK_MODE_LANES_DR2		2
220 #define __LINK_MODE_LANES_DR4		4
221 #define __LINK_MODE_LANES_DR8		8
222 #define __LINK_MODE_LANES_KR		1
223 #define __LINK_MODE_LANES_KR2		2
224 #define __LINK_MODE_LANES_KR4		4
225 #define __LINK_MODE_LANES_KR8		8
226 #define __LINK_MODE_LANES_SR		1
227 #define __LINK_MODE_LANES_SR2		2
228 #define __LINK_MODE_LANES_SR4		4
229 #define __LINK_MODE_LANES_SR8		8
230 #define __LINK_MODE_LANES_ER		1
231 #define __LINK_MODE_LANES_KX		1
232 #define __LINK_MODE_LANES_KX4		4
233 #define __LINK_MODE_LANES_LR		1
234 #define __LINK_MODE_LANES_LR4		4
235 #define __LINK_MODE_LANES_LR4_ER4	4
236 #define __LINK_MODE_LANES_LR_ER_FR	1
237 #define __LINK_MODE_LANES_LR2_ER2_FR2	2
238 #define __LINK_MODE_LANES_LR4_ER4_FR4	4
239 #define __LINK_MODE_LANES_LR8_ER8_FR8	8
240 #define __LINK_MODE_LANES_LRM		1
241 #define __LINK_MODE_LANES_MLD2		2
242 #define __LINK_MODE_LANES_T		1
243 #define __LINK_MODE_LANES_T1		1
244 #define __LINK_MODE_LANES_X		1
245 #define __LINK_MODE_LANES_FX		1
246 #define __LINK_MODE_LANES_T1L		1
247 #define __LINK_MODE_LANES_VR8		8
248 #define __LINK_MODE_LANES_DR8_2		8
249 
250 #define __DEFINE_LINK_MODE_PARAMS(_speed, _type, _duplex)	\
251 	[ETHTOOL_LINK_MODE(_speed, _type, _duplex)] = {		\
252 		.speed  = SPEED_ ## _speed, \
253 		.lanes  = __LINK_MODE_LANES_ ## _type, \
254 		.duplex	= __DUPLEX_ ## _duplex \
255 	}
256 #define __DUPLEX_Half DUPLEX_HALF
257 #define __DUPLEX_Full DUPLEX_FULL
258 #define __DEFINE_SPECIAL_MODE_PARAMS(_mode) \
259 	[ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = { \
260 		.speed	= SPEED_UNKNOWN, \
261 		.lanes	= 0, \
262 		.duplex	= DUPLEX_UNKNOWN, \
263 	}
264 
265 const struct link_mode_info link_mode_params[] = {
266 	__DEFINE_LINK_MODE_PARAMS(10, T, Half),
267 	__DEFINE_LINK_MODE_PARAMS(10, T, Full),
268 	__DEFINE_LINK_MODE_PARAMS(100, T, Half),
269 	__DEFINE_LINK_MODE_PARAMS(100, T, Full),
270 	__DEFINE_LINK_MODE_PARAMS(1000, T, Half),
271 	__DEFINE_LINK_MODE_PARAMS(1000, T, Full),
272 	__DEFINE_SPECIAL_MODE_PARAMS(Autoneg),
273 	__DEFINE_SPECIAL_MODE_PARAMS(TP),
274 	__DEFINE_SPECIAL_MODE_PARAMS(AUI),
275 	__DEFINE_SPECIAL_MODE_PARAMS(MII),
276 	__DEFINE_SPECIAL_MODE_PARAMS(FIBRE),
277 	__DEFINE_SPECIAL_MODE_PARAMS(BNC),
278 	__DEFINE_LINK_MODE_PARAMS(10000, T, Full),
279 	__DEFINE_SPECIAL_MODE_PARAMS(Pause),
280 	__DEFINE_SPECIAL_MODE_PARAMS(Asym_Pause),
281 	__DEFINE_LINK_MODE_PARAMS(2500, X, Full),
282 	__DEFINE_SPECIAL_MODE_PARAMS(Backplane),
283 	__DEFINE_LINK_MODE_PARAMS(1000, KX, Full),
284 	__DEFINE_LINK_MODE_PARAMS(10000, KX4, Full),
285 	__DEFINE_LINK_MODE_PARAMS(10000, KR, Full),
286 	[ETHTOOL_LINK_MODE_10000baseR_FEC_BIT] = {
287 		.speed	= SPEED_10000,
288 		.lanes	= 1,
289 		.duplex = DUPLEX_FULL,
290 	},
291 	__DEFINE_LINK_MODE_PARAMS(20000, MLD2, Full),
292 	__DEFINE_LINK_MODE_PARAMS(20000, KR2, Full),
293 	__DEFINE_LINK_MODE_PARAMS(40000, KR4, Full),
294 	__DEFINE_LINK_MODE_PARAMS(40000, CR4, Full),
295 	__DEFINE_LINK_MODE_PARAMS(40000, SR4, Full),
296 	__DEFINE_LINK_MODE_PARAMS(40000, LR4, Full),
297 	__DEFINE_LINK_MODE_PARAMS(56000, KR4, Full),
298 	__DEFINE_LINK_MODE_PARAMS(56000, CR4, Full),
299 	__DEFINE_LINK_MODE_PARAMS(56000, SR4, Full),
300 	__DEFINE_LINK_MODE_PARAMS(56000, LR4, Full),
301 	__DEFINE_LINK_MODE_PARAMS(25000, CR, Full),
302 	__DEFINE_LINK_MODE_PARAMS(25000, KR, Full),
303 	__DEFINE_LINK_MODE_PARAMS(25000, SR, Full),
304 	__DEFINE_LINK_MODE_PARAMS(50000, CR2, Full),
305 	__DEFINE_LINK_MODE_PARAMS(50000, KR2, Full),
306 	__DEFINE_LINK_MODE_PARAMS(100000, KR4, Full),
307 	__DEFINE_LINK_MODE_PARAMS(100000, SR4, Full),
308 	__DEFINE_LINK_MODE_PARAMS(100000, CR4, Full),
309 	__DEFINE_LINK_MODE_PARAMS(100000, LR4_ER4, Full),
310 	__DEFINE_LINK_MODE_PARAMS(50000, SR2, Full),
311 	__DEFINE_LINK_MODE_PARAMS(1000, X, Full),
312 	__DEFINE_LINK_MODE_PARAMS(10000, CR, Full),
313 	__DEFINE_LINK_MODE_PARAMS(10000, SR, Full),
314 	__DEFINE_LINK_MODE_PARAMS(10000, LR, Full),
315 	__DEFINE_LINK_MODE_PARAMS(10000, LRM, Full),
316 	__DEFINE_LINK_MODE_PARAMS(10000, ER, Full),
317 	__DEFINE_LINK_MODE_PARAMS(2500, T, Full),
318 	__DEFINE_LINK_MODE_PARAMS(5000, T, Full),
319 	__DEFINE_SPECIAL_MODE_PARAMS(FEC_NONE),
320 	__DEFINE_SPECIAL_MODE_PARAMS(FEC_RS),
321 	__DEFINE_SPECIAL_MODE_PARAMS(FEC_BASER),
322 	__DEFINE_LINK_MODE_PARAMS(50000, KR, Full),
323 	__DEFINE_LINK_MODE_PARAMS(50000, SR, Full),
324 	__DEFINE_LINK_MODE_PARAMS(50000, CR, Full),
325 	__DEFINE_LINK_MODE_PARAMS(50000, LR_ER_FR, Full),
326 	__DEFINE_LINK_MODE_PARAMS(50000, DR, Full),
327 	__DEFINE_LINK_MODE_PARAMS(100000, KR2, Full),
328 	__DEFINE_LINK_MODE_PARAMS(100000, SR2, Full),
329 	__DEFINE_LINK_MODE_PARAMS(100000, CR2, Full),
330 	__DEFINE_LINK_MODE_PARAMS(100000, LR2_ER2_FR2, Full),
331 	__DEFINE_LINK_MODE_PARAMS(100000, DR2, Full),
332 	__DEFINE_LINK_MODE_PARAMS(200000, KR4, Full),
333 	__DEFINE_LINK_MODE_PARAMS(200000, SR4, Full),
334 	__DEFINE_LINK_MODE_PARAMS(200000, LR4_ER4_FR4, Full),
335 	__DEFINE_LINK_MODE_PARAMS(200000, DR4, Full),
336 	__DEFINE_LINK_MODE_PARAMS(200000, CR4, Full),
337 	__DEFINE_LINK_MODE_PARAMS(100, T1, Full),
338 	__DEFINE_LINK_MODE_PARAMS(1000, T1, Full),
339 	__DEFINE_LINK_MODE_PARAMS(400000, KR8, Full),
340 	__DEFINE_LINK_MODE_PARAMS(400000, SR8, Full),
341 	__DEFINE_LINK_MODE_PARAMS(400000, LR8_ER8_FR8, Full),
342 	__DEFINE_LINK_MODE_PARAMS(400000, DR8, Full),
343 	__DEFINE_LINK_MODE_PARAMS(400000, CR8, Full),
344 	__DEFINE_SPECIAL_MODE_PARAMS(FEC_LLRS),
345 	__DEFINE_LINK_MODE_PARAMS(100000, KR, Full),
346 	__DEFINE_LINK_MODE_PARAMS(100000, SR, Full),
347 	__DEFINE_LINK_MODE_PARAMS(100000, LR_ER_FR, Full),
348 	__DEFINE_LINK_MODE_PARAMS(100000, DR, Full),
349 	__DEFINE_LINK_MODE_PARAMS(100000, CR, Full),
350 	__DEFINE_LINK_MODE_PARAMS(200000, KR2, Full),
351 	__DEFINE_LINK_MODE_PARAMS(200000, SR2, Full),
352 	__DEFINE_LINK_MODE_PARAMS(200000, LR2_ER2_FR2, Full),
353 	__DEFINE_LINK_MODE_PARAMS(200000, DR2, Full),
354 	__DEFINE_LINK_MODE_PARAMS(200000, CR2, Full),
355 	__DEFINE_LINK_MODE_PARAMS(400000, KR4, Full),
356 	__DEFINE_LINK_MODE_PARAMS(400000, SR4, Full),
357 	__DEFINE_LINK_MODE_PARAMS(400000, LR4_ER4_FR4, Full),
358 	__DEFINE_LINK_MODE_PARAMS(400000, DR4, Full),
359 	__DEFINE_LINK_MODE_PARAMS(400000, CR4, Full),
360 	__DEFINE_LINK_MODE_PARAMS(100, FX, Half),
361 	__DEFINE_LINK_MODE_PARAMS(100, FX, Full),
362 	__DEFINE_LINK_MODE_PARAMS(10, T1L, Full),
363 	__DEFINE_LINK_MODE_PARAMS(800000, CR8, Full),
364 	__DEFINE_LINK_MODE_PARAMS(800000, KR8, Full),
365 	__DEFINE_LINK_MODE_PARAMS(800000, DR8, Full),
366 	__DEFINE_LINK_MODE_PARAMS(800000, DR8_2, Full),
367 	__DEFINE_LINK_MODE_PARAMS(800000, SR8, Full),
368 	__DEFINE_LINK_MODE_PARAMS(800000, VR8, Full),
369 };
370 static_assert(ARRAY_SIZE(link_mode_params) == __ETHTOOL_LINK_MODE_MASK_NBITS);
371 
372 const char netif_msg_class_names[][ETH_GSTRING_LEN] = {
373 	[NETIF_MSG_DRV_BIT]		= "drv",
374 	[NETIF_MSG_PROBE_BIT]		= "probe",
375 	[NETIF_MSG_LINK_BIT]		= "link",
376 	[NETIF_MSG_TIMER_BIT]		= "timer",
377 	[NETIF_MSG_IFDOWN_BIT]		= "ifdown",
378 	[NETIF_MSG_IFUP_BIT]		= "ifup",
379 	[NETIF_MSG_RX_ERR_BIT]		= "rx_err",
380 	[NETIF_MSG_TX_ERR_BIT]		= "tx_err",
381 	[NETIF_MSG_TX_QUEUED_BIT]	= "tx_queued",
382 	[NETIF_MSG_INTR_BIT]		= "intr",
383 	[NETIF_MSG_TX_DONE_BIT]		= "tx_done",
384 	[NETIF_MSG_RX_STATUS_BIT]	= "rx_status",
385 	[NETIF_MSG_PKTDATA_BIT]		= "pktdata",
386 	[NETIF_MSG_HW_BIT]		= "hw",
387 	[NETIF_MSG_WOL_BIT]		= "wol",
388 };
389 static_assert(ARRAY_SIZE(netif_msg_class_names) == NETIF_MSG_CLASS_COUNT);
390 
391 const char wol_mode_names[][ETH_GSTRING_LEN] = {
392 	[const_ilog2(WAKE_PHY)]		= "phy",
393 	[const_ilog2(WAKE_UCAST)]	= "ucast",
394 	[const_ilog2(WAKE_MCAST)]	= "mcast",
395 	[const_ilog2(WAKE_BCAST)]	= "bcast",
396 	[const_ilog2(WAKE_ARP)]		= "arp",
397 	[const_ilog2(WAKE_MAGIC)]	= "magic",
398 	[const_ilog2(WAKE_MAGICSECURE)]	= "magicsecure",
399 	[const_ilog2(WAKE_FILTER)]	= "filter",
400 };
401 static_assert(ARRAY_SIZE(wol_mode_names) == WOL_MODE_COUNT);
402 
403 const char sof_timestamping_names[][ETH_GSTRING_LEN] = {
404 	[const_ilog2(SOF_TIMESTAMPING_TX_HARDWARE)]  = "hardware-transmit",
405 	[const_ilog2(SOF_TIMESTAMPING_TX_SOFTWARE)]  = "software-transmit",
406 	[const_ilog2(SOF_TIMESTAMPING_RX_HARDWARE)]  = "hardware-receive",
407 	[const_ilog2(SOF_TIMESTAMPING_RX_SOFTWARE)]  = "software-receive",
408 	[const_ilog2(SOF_TIMESTAMPING_SOFTWARE)]     = "software-system-clock",
409 	[const_ilog2(SOF_TIMESTAMPING_SYS_HARDWARE)] = "hardware-legacy-clock",
410 	[const_ilog2(SOF_TIMESTAMPING_RAW_HARDWARE)] = "hardware-raw-clock",
411 	[const_ilog2(SOF_TIMESTAMPING_OPT_ID)]       = "option-id",
412 	[const_ilog2(SOF_TIMESTAMPING_TX_SCHED)]     = "sched-transmit",
413 	[const_ilog2(SOF_TIMESTAMPING_TX_ACK)]       = "ack-transmit",
414 	[const_ilog2(SOF_TIMESTAMPING_OPT_CMSG)]     = "option-cmsg",
415 	[const_ilog2(SOF_TIMESTAMPING_OPT_TSONLY)]   = "option-tsonly",
416 	[const_ilog2(SOF_TIMESTAMPING_OPT_STATS)]    = "option-stats",
417 	[const_ilog2(SOF_TIMESTAMPING_OPT_PKTINFO)]  = "option-pktinfo",
418 	[const_ilog2(SOF_TIMESTAMPING_OPT_TX_SWHW)]  = "option-tx-swhw",
419 	[const_ilog2(SOF_TIMESTAMPING_BIND_PHC)]     = "bind-phc",
420 	[const_ilog2(SOF_TIMESTAMPING_OPT_ID_TCP)]   = "option-id-tcp",
421 };
422 static_assert(ARRAY_SIZE(sof_timestamping_names) == __SOF_TIMESTAMPING_CNT);
423 
424 const char ts_tx_type_names[][ETH_GSTRING_LEN] = {
425 	[HWTSTAMP_TX_OFF]		= "off",
426 	[HWTSTAMP_TX_ON]		= "on",
427 	[HWTSTAMP_TX_ONESTEP_SYNC]	= "onestep-sync",
428 	[HWTSTAMP_TX_ONESTEP_P2P]	= "onestep-p2p",
429 };
430 static_assert(ARRAY_SIZE(ts_tx_type_names) == __HWTSTAMP_TX_CNT);
431 
432 const char ts_rx_filter_names[][ETH_GSTRING_LEN] = {
433 	[HWTSTAMP_FILTER_NONE]			= "none",
434 	[HWTSTAMP_FILTER_ALL]			= "all",
435 	[HWTSTAMP_FILTER_SOME]			= "some",
436 	[HWTSTAMP_FILTER_PTP_V1_L4_EVENT]	= "ptpv1-l4-event",
437 	[HWTSTAMP_FILTER_PTP_V1_L4_SYNC]	= "ptpv1-l4-sync",
438 	[HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ]	= "ptpv1-l4-delay-req",
439 	[HWTSTAMP_FILTER_PTP_V2_L4_EVENT]	= "ptpv2-l4-event",
440 	[HWTSTAMP_FILTER_PTP_V2_L4_SYNC]	= "ptpv2-l4-sync",
441 	[HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ]	= "ptpv2-l4-delay-req",
442 	[HWTSTAMP_FILTER_PTP_V2_L2_EVENT]	= "ptpv2-l2-event",
443 	[HWTSTAMP_FILTER_PTP_V2_L2_SYNC]	= "ptpv2-l2-sync",
444 	[HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ]	= "ptpv2-l2-delay-req",
445 	[HWTSTAMP_FILTER_PTP_V2_EVENT]		= "ptpv2-event",
446 	[HWTSTAMP_FILTER_PTP_V2_SYNC]		= "ptpv2-sync",
447 	[HWTSTAMP_FILTER_PTP_V2_DELAY_REQ]	= "ptpv2-delay-req",
448 	[HWTSTAMP_FILTER_NTP_ALL]		= "ntp-all",
449 };
450 static_assert(ARRAY_SIZE(ts_rx_filter_names) == __HWTSTAMP_FILTER_CNT);
451 
452 const char udp_tunnel_type_names[][ETH_GSTRING_LEN] = {
453 	[ETHTOOL_UDP_TUNNEL_TYPE_VXLAN]		= "vxlan",
454 	[ETHTOOL_UDP_TUNNEL_TYPE_GENEVE]	= "geneve",
455 	[ETHTOOL_UDP_TUNNEL_TYPE_VXLAN_GPE]	= "vxlan-gpe",
456 };
457 static_assert(ARRAY_SIZE(udp_tunnel_type_names) ==
458 	      __ETHTOOL_UDP_TUNNEL_TYPE_CNT);
459 
460 /* return false if legacy contained non-0 deprecated fields
461  * maxtxpkt/maxrxpkt. rest of ksettings always updated
462  */
463 bool
464 convert_legacy_settings_to_link_ksettings(
465 	struct ethtool_link_ksettings *link_ksettings,
466 	const struct ethtool_cmd *legacy_settings)
467 {
468 	bool retval = true;
469 
470 	memset(link_ksettings, 0, sizeof(*link_ksettings));
471 
472 	/* This is used to tell users that driver is still using these
473 	 * deprecated legacy fields, and they should not use
474 	 * %ETHTOOL_GLINKSETTINGS/%ETHTOOL_SLINKSETTINGS
475 	 */
476 	if (legacy_settings->maxtxpkt ||
477 	    legacy_settings->maxrxpkt)
478 		retval = false;
479 
480 	ethtool_convert_legacy_u32_to_link_mode(
481 		link_ksettings->link_modes.supported,
482 		legacy_settings->supported);
483 	ethtool_convert_legacy_u32_to_link_mode(
484 		link_ksettings->link_modes.advertising,
485 		legacy_settings->advertising);
486 	ethtool_convert_legacy_u32_to_link_mode(
487 		link_ksettings->link_modes.lp_advertising,
488 		legacy_settings->lp_advertising);
489 	link_ksettings->base.speed
490 		= ethtool_cmd_speed(legacy_settings);
491 	link_ksettings->base.duplex
492 		= legacy_settings->duplex;
493 	link_ksettings->base.port
494 		= legacy_settings->port;
495 	link_ksettings->base.phy_address
496 		= legacy_settings->phy_address;
497 	link_ksettings->base.autoneg
498 		= legacy_settings->autoneg;
499 	link_ksettings->base.mdio_support
500 		= legacy_settings->mdio_support;
501 	link_ksettings->base.eth_tp_mdix
502 		= legacy_settings->eth_tp_mdix;
503 	link_ksettings->base.eth_tp_mdix_ctrl
504 		= legacy_settings->eth_tp_mdix_ctrl;
505 	return retval;
506 }
507 
508 int __ethtool_get_link(struct net_device *dev)
509 {
510 	if (!dev->ethtool_ops->get_link)
511 		return -EOPNOTSUPP;
512 
513 	return netif_running(dev) && dev->ethtool_ops->get_link(dev);
514 }
515 
516 static int ethtool_get_rxnfc_rule_count(struct net_device *dev)
517 {
518 	const struct ethtool_ops *ops = dev->ethtool_ops;
519 	struct ethtool_rxnfc info = {
520 		.cmd = ETHTOOL_GRXCLSRLCNT,
521 	};
522 	int err;
523 
524 	err = ops->get_rxnfc(dev, &info, NULL);
525 	if (err)
526 		return err;
527 
528 	return info.rule_cnt;
529 }
530 
531 int ethtool_get_max_rxnfc_channel(struct net_device *dev, u64 *max)
532 {
533 	const struct ethtool_ops *ops = dev->ethtool_ops;
534 	struct ethtool_rxnfc *info;
535 	int err, i, rule_cnt;
536 	u64 max_ring = 0;
537 
538 	if (!ops->get_rxnfc)
539 		return -EOPNOTSUPP;
540 
541 	rule_cnt = ethtool_get_rxnfc_rule_count(dev);
542 	if (rule_cnt <= 0)
543 		return -EINVAL;
544 
545 	info = kvzalloc(struct_size(info, rule_locs, rule_cnt), GFP_KERNEL);
546 	if (!info)
547 		return -ENOMEM;
548 
549 	info->cmd = ETHTOOL_GRXCLSRLALL;
550 	info->rule_cnt = rule_cnt;
551 	err = ops->get_rxnfc(dev, info, info->rule_locs);
552 	if (err)
553 		goto err_free_info;
554 
555 	for (i = 0; i < rule_cnt; i++) {
556 		struct ethtool_rxnfc rule_info = {
557 			.cmd = ETHTOOL_GRXCLSRULE,
558 			.fs.location = info->rule_locs[i],
559 		};
560 
561 		err = ops->get_rxnfc(dev, &rule_info, NULL);
562 		if (err)
563 			goto err_free_info;
564 
565 		if (rule_info.fs.ring_cookie != RX_CLS_FLOW_DISC &&
566 		    rule_info.fs.ring_cookie != RX_CLS_FLOW_WAKE &&
567 		    !(rule_info.flow_type & FLOW_RSS) &&
568 		    !ethtool_get_flow_spec_ring_vf(rule_info.fs.ring_cookie))
569 			max_ring =
570 				max_t(u64, max_ring, rule_info.fs.ring_cookie);
571 	}
572 
573 	kvfree(info);
574 	*max = max_ring;
575 	return 0;
576 
577 err_free_info:
578 	kvfree(info);
579 	return err;
580 }
581 
582 int ethtool_get_max_rxfh_channel(struct net_device *dev, u32 *max)
583 {
584 	u32 dev_size, current_max = 0;
585 	u32 *indir;
586 	int ret;
587 
588 	if (!dev->ethtool_ops->get_rxfh_indir_size ||
589 	    !dev->ethtool_ops->get_rxfh)
590 		return -EOPNOTSUPP;
591 	dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev);
592 	if (dev_size == 0)
593 		return -EOPNOTSUPP;
594 
595 	indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER);
596 	if (!indir)
597 		return -ENOMEM;
598 
599 	ret = dev->ethtool_ops->get_rxfh(dev, indir, NULL, NULL);
600 	if (ret)
601 		goto out;
602 
603 	while (dev_size--)
604 		current_max = max(current_max, indir[dev_size]);
605 
606 	*max = current_max;
607 
608 out:
609 	kfree(indir);
610 	return ret;
611 }
612 
613 int ethtool_check_ops(const struct ethtool_ops *ops)
614 {
615 	if (WARN_ON(ops->set_coalesce && !ops->supported_coalesce_params))
616 		return -EINVAL;
617 	/* NOTE: sufficiently insane drivers may swap ethtool_ops at runtime,
618 	 * the fact that ops are checked at registration time does not
619 	 * mean the ops attached to a netdev later on are sane.
620 	 */
621 	return 0;
622 }
623 
624 int __ethtool_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
625 {
626 	const struct ethtool_ops *ops = dev->ethtool_ops;
627 	struct phy_device *phydev = dev->phydev;
628 
629 	memset(info, 0, sizeof(*info));
630 	info->cmd = ETHTOOL_GET_TS_INFO;
631 
632 	if (phy_has_tsinfo(phydev))
633 		return phy_ts_info(phydev, info);
634 	if (ops->get_ts_info)
635 		return ops->get_ts_info(dev, info);
636 
637 	info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
638 				SOF_TIMESTAMPING_SOFTWARE;
639 	info->phc_index = -1;
640 
641 	return 0;
642 }
643 
644 int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index)
645 {
646 	struct ethtool_ts_info info = { };
647 	int num = 0;
648 
649 	if (!__ethtool_get_ts_info(dev, &info))
650 		num = ptp_get_vclocks_index(info.phc_index, vclock_index);
651 
652 	return num;
653 }
654 EXPORT_SYMBOL(ethtool_get_phc_vclocks);
655 
656 const struct ethtool_phy_ops *ethtool_phy_ops;
657 
658 void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops)
659 {
660 	rtnl_lock();
661 	ethtool_phy_ops = ops;
662 	rtnl_unlock();
663 }
664 EXPORT_SYMBOL_GPL(ethtool_set_ethtool_phy_ops);
665 
666 void
667 ethtool_params_from_link_mode(struct ethtool_link_ksettings *link_ksettings,
668 			      enum ethtool_link_mode_bit_indices link_mode)
669 {
670 	const struct link_mode_info *link_info;
671 
672 	if (WARN_ON_ONCE(link_mode >= __ETHTOOL_LINK_MODE_MASK_NBITS))
673 		return;
674 
675 	link_info = &link_mode_params[link_mode];
676 	link_ksettings->base.speed = link_info->speed;
677 	link_ksettings->lanes = link_info->lanes;
678 	link_ksettings->base.duplex = link_info->duplex;
679 }
680 EXPORT_SYMBOL_GPL(ethtool_params_from_link_mode);
681