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 "netlink.h"
10 #include "common.h"
11 
12 const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] = {
13 	[NETIF_F_SG_BIT] =               "tx-scatter-gather",
14 	[NETIF_F_IP_CSUM_BIT] =          "tx-checksum-ipv4",
15 	[NETIF_F_HW_CSUM_BIT] =          "tx-checksum-ip-generic",
16 	[NETIF_F_IPV6_CSUM_BIT] =        "tx-checksum-ipv6",
17 	[NETIF_F_HIGHDMA_BIT] =          "highdma",
18 	[NETIF_F_FRAGLIST_BIT] =         "tx-scatter-gather-fraglist",
19 	[NETIF_F_HW_VLAN_CTAG_TX_BIT] =  "tx-vlan-hw-insert",
20 
21 	[NETIF_F_HW_VLAN_CTAG_RX_BIT] =  "rx-vlan-hw-parse",
22 	[NETIF_F_HW_VLAN_CTAG_FILTER_BIT] = "rx-vlan-filter",
23 	[NETIF_F_HW_VLAN_STAG_TX_BIT] =  "tx-vlan-stag-hw-insert",
24 	[NETIF_F_HW_VLAN_STAG_RX_BIT] =  "rx-vlan-stag-hw-parse",
25 	[NETIF_F_HW_VLAN_STAG_FILTER_BIT] = "rx-vlan-stag-filter",
26 	[NETIF_F_VLAN_CHALLENGED_BIT] =  "vlan-challenged",
27 	[NETIF_F_GSO_BIT] =              "tx-generic-segmentation",
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_NTUPLE_BIT] =           "rx-ntuple-filter",
54 	[NETIF_F_RXHASH_BIT] =           "rx-hashing",
55 	[NETIF_F_RXCSUM_BIT] =           "rx-checksum",
56 	[NETIF_F_NOCACHE_COPY_BIT] =     "tx-nocache-copy",
57 	[NETIF_F_LOOPBACK_BIT] =         "loopback",
58 	[NETIF_F_RXFCS_BIT] =            "rx-fcs",
59 	[NETIF_F_RXALL_BIT] =            "rx-all",
60 	[NETIF_F_HW_L2FW_DOFFLOAD_BIT] = "l2-fwd-offload",
61 	[NETIF_F_HW_TC_BIT] =		 "hw-tc-offload",
62 	[NETIF_F_HW_ESP_BIT] =		 "esp-hw-offload",
63 	[NETIF_F_HW_ESP_TX_CSUM_BIT] =	 "esp-tx-csum-hw-offload",
64 	[NETIF_F_RX_UDP_TUNNEL_PORT_BIT] =	 "rx-udp_tunnel-port-offload",
65 	[NETIF_F_HW_TLS_RECORD_BIT] =	"tls-hw-record",
66 	[NETIF_F_HW_TLS_TX_BIT] =	 "tls-hw-tx-offload",
67 	[NETIF_F_HW_TLS_RX_BIT] =	 "tls-hw-rx-offload",
68 	[NETIF_F_GRO_FRAGLIST_BIT] =	 "rx-gro-list",
69 	[NETIF_F_HW_MACSEC_BIT] =	 "macsec-hw-offload",
70 	[NETIF_F_GRO_UDP_FWD_BIT] =	 "rx-udp-gro-forwarding",
71 	[NETIF_F_HW_HSR_TAG_INS_BIT] =	 "hsr-tag-ins-offload",
72 	[NETIF_F_HW_HSR_TAG_RM_BIT] =	 "hsr-tag-rm-offload",
73 	[NETIF_F_HW_HSR_FWD_BIT] =	 "hsr-fwd-offload",
74 	[NETIF_F_HW_HSR_DUP_BIT] =	 "hsr-dup-offload",
75 };
76 
77 const char
78 rss_hash_func_strings[ETH_RSS_HASH_FUNCS_COUNT][ETH_GSTRING_LEN] = {
79 	[ETH_RSS_HASH_TOP_BIT] =	"toeplitz",
80 	[ETH_RSS_HASH_XOR_BIT] =	"xor",
81 	[ETH_RSS_HASH_CRC32_BIT] =	"crc32",
82 };
83 
84 const char
85 tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
86 	[ETHTOOL_ID_UNSPEC]     = "Unspec",
87 	[ETHTOOL_RX_COPYBREAK]	= "rx-copybreak",
88 	[ETHTOOL_TX_COPYBREAK]	= "tx-copybreak",
89 	[ETHTOOL_PFC_PREVENTION_TOUT] = "pfc-prevention-tout",
90 	[ETHTOOL_TX_COPYBREAK_BUF_SIZE] = "tx-copybreak-buf-size",
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 	__DEFINE_LINK_MODE_NAME(10, T1L, Full),
203 	__DEFINE_LINK_MODE_NAME(800000, CR8, Full),
204 	__DEFINE_LINK_MODE_NAME(800000, KR8, Full),
205 	__DEFINE_LINK_MODE_NAME(800000, DR8, Full),
206 	__DEFINE_LINK_MODE_NAME(800000, DR8_2, Full),
207 	__DEFINE_LINK_MODE_NAME(800000, SR8, Full),
208 	__DEFINE_LINK_MODE_NAME(800000, VR8, Full),
209 	__DEFINE_LINK_MODE_NAME(10, T1S, Full),
210 	__DEFINE_LINK_MODE_NAME(10, T1S, Half),
211 	__DEFINE_LINK_MODE_NAME(10, T1S_P2MP, Half),
212 	__DEFINE_LINK_MODE_NAME(10, T1BRR, Full),
213 };
214 static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS);
215 
216 #define __LINK_MODE_LANES_CR		1
217 #define __LINK_MODE_LANES_CR2		2
218 #define __LINK_MODE_LANES_CR4		4
219 #define __LINK_MODE_LANES_CR8		8
220 #define __LINK_MODE_LANES_DR		1
221 #define __LINK_MODE_LANES_DR2		2
222 #define __LINK_MODE_LANES_DR4		4
223 #define __LINK_MODE_LANES_DR8		8
224 #define __LINK_MODE_LANES_KR		1
225 #define __LINK_MODE_LANES_KR2		2
226 #define __LINK_MODE_LANES_KR4		4
227 #define __LINK_MODE_LANES_KR8		8
228 #define __LINK_MODE_LANES_SR		1
229 #define __LINK_MODE_LANES_SR2		2
230 #define __LINK_MODE_LANES_SR4		4
231 #define __LINK_MODE_LANES_SR8		8
232 #define __LINK_MODE_LANES_ER		1
233 #define __LINK_MODE_LANES_KX		1
234 #define __LINK_MODE_LANES_KX4		4
235 #define __LINK_MODE_LANES_LR		1
236 #define __LINK_MODE_LANES_LR4		4
237 #define __LINK_MODE_LANES_LR4_ER4	4
238 #define __LINK_MODE_LANES_LR_ER_FR	1
239 #define __LINK_MODE_LANES_LR2_ER2_FR2	2
240 #define __LINK_MODE_LANES_LR4_ER4_FR4	4
241 #define __LINK_MODE_LANES_LR8_ER8_FR8	8
242 #define __LINK_MODE_LANES_LRM		1
243 #define __LINK_MODE_LANES_MLD2		2
244 #define __LINK_MODE_LANES_T		1
245 #define __LINK_MODE_LANES_T1		1
246 #define __LINK_MODE_LANES_X		1
247 #define __LINK_MODE_LANES_FX		1
248 #define __LINK_MODE_LANES_T1L		1
249 #define __LINK_MODE_LANES_T1S		1
250 #define __LINK_MODE_LANES_T1S_P2MP	1
251 #define __LINK_MODE_LANES_VR8		8
252 #define __LINK_MODE_LANES_DR8_2		8
253 #define __LINK_MODE_LANES_T1BRR		1
254 
255 #define __DEFINE_LINK_MODE_PARAMS(_speed, _type, _duplex)	\
256 	[ETHTOOL_LINK_MODE(_speed, _type, _duplex)] = {		\
257 		.speed  = SPEED_ ## _speed, \
258 		.lanes  = __LINK_MODE_LANES_ ## _type, \
259 		.duplex	= __DUPLEX_ ## _duplex \
260 	}
261 #define __DUPLEX_Half DUPLEX_HALF
262 #define __DUPLEX_Full DUPLEX_FULL
263 #define __DEFINE_SPECIAL_MODE_PARAMS(_mode) \
264 	[ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = { \
265 		.speed	= SPEED_UNKNOWN, \
266 		.lanes	= 0, \
267 		.duplex	= DUPLEX_UNKNOWN, \
268 	}
269 
270 const struct link_mode_info link_mode_params[] = {
271 	__DEFINE_LINK_MODE_PARAMS(10, T, Half),
272 	__DEFINE_LINK_MODE_PARAMS(10, T, Full),
273 	__DEFINE_LINK_MODE_PARAMS(100, T, Half),
274 	__DEFINE_LINK_MODE_PARAMS(100, T, Full),
275 	__DEFINE_LINK_MODE_PARAMS(1000, T, Half),
276 	__DEFINE_LINK_MODE_PARAMS(1000, T, Full),
277 	__DEFINE_SPECIAL_MODE_PARAMS(Autoneg),
278 	__DEFINE_SPECIAL_MODE_PARAMS(TP),
279 	__DEFINE_SPECIAL_MODE_PARAMS(AUI),
280 	__DEFINE_SPECIAL_MODE_PARAMS(MII),
281 	__DEFINE_SPECIAL_MODE_PARAMS(FIBRE),
282 	__DEFINE_SPECIAL_MODE_PARAMS(BNC),
283 	__DEFINE_LINK_MODE_PARAMS(10000, T, Full),
284 	__DEFINE_SPECIAL_MODE_PARAMS(Pause),
285 	__DEFINE_SPECIAL_MODE_PARAMS(Asym_Pause),
286 	__DEFINE_LINK_MODE_PARAMS(2500, X, Full),
287 	__DEFINE_SPECIAL_MODE_PARAMS(Backplane),
288 	__DEFINE_LINK_MODE_PARAMS(1000, KX, Full),
289 	__DEFINE_LINK_MODE_PARAMS(10000, KX4, Full),
290 	__DEFINE_LINK_MODE_PARAMS(10000, KR, Full),
291 	[ETHTOOL_LINK_MODE_10000baseR_FEC_BIT] = {
292 		.speed	= SPEED_10000,
293 		.lanes	= 1,
294 		.duplex = DUPLEX_FULL,
295 	},
296 	__DEFINE_LINK_MODE_PARAMS(20000, MLD2, Full),
297 	__DEFINE_LINK_MODE_PARAMS(20000, KR2, Full),
298 	__DEFINE_LINK_MODE_PARAMS(40000, KR4, Full),
299 	__DEFINE_LINK_MODE_PARAMS(40000, CR4, Full),
300 	__DEFINE_LINK_MODE_PARAMS(40000, SR4, Full),
301 	__DEFINE_LINK_MODE_PARAMS(40000, LR4, Full),
302 	__DEFINE_LINK_MODE_PARAMS(56000, KR4, Full),
303 	__DEFINE_LINK_MODE_PARAMS(56000, CR4, Full),
304 	__DEFINE_LINK_MODE_PARAMS(56000, SR4, Full),
305 	__DEFINE_LINK_MODE_PARAMS(56000, LR4, Full),
306 	__DEFINE_LINK_MODE_PARAMS(25000, CR, Full),
307 	__DEFINE_LINK_MODE_PARAMS(25000, KR, Full),
308 	__DEFINE_LINK_MODE_PARAMS(25000, SR, Full),
309 	__DEFINE_LINK_MODE_PARAMS(50000, CR2, Full),
310 	__DEFINE_LINK_MODE_PARAMS(50000, KR2, Full),
311 	__DEFINE_LINK_MODE_PARAMS(100000, KR4, Full),
312 	__DEFINE_LINK_MODE_PARAMS(100000, SR4, Full),
313 	__DEFINE_LINK_MODE_PARAMS(100000, CR4, Full),
314 	__DEFINE_LINK_MODE_PARAMS(100000, LR4_ER4, Full),
315 	__DEFINE_LINK_MODE_PARAMS(50000, SR2, Full),
316 	__DEFINE_LINK_MODE_PARAMS(1000, X, Full),
317 	__DEFINE_LINK_MODE_PARAMS(10000, CR, Full),
318 	__DEFINE_LINK_MODE_PARAMS(10000, SR, Full),
319 	__DEFINE_LINK_MODE_PARAMS(10000, LR, Full),
320 	__DEFINE_LINK_MODE_PARAMS(10000, LRM, Full),
321 	__DEFINE_LINK_MODE_PARAMS(10000, ER, Full),
322 	__DEFINE_LINK_MODE_PARAMS(2500, T, Full),
323 	__DEFINE_LINK_MODE_PARAMS(5000, T, Full),
324 	__DEFINE_SPECIAL_MODE_PARAMS(FEC_NONE),
325 	__DEFINE_SPECIAL_MODE_PARAMS(FEC_RS),
326 	__DEFINE_SPECIAL_MODE_PARAMS(FEC_BASER),
327 	__DEFINE_LINK_MODE_PARAMS(50000, KR, Full),
328 	__DEFINE_LINK_MODE_PARAMS(50000, SR, Full),
329 	__DEFINE_LINK_MODE_PARAMS(50000, CR, Full),
330 	__DEFINE_LINK_MODE_PARAMS(50000, LR_ER_FR, Full),
331 	__DEFINE_LINK_MODE_PARAMS(50000, DR, Full),
332 	__DEFINE_LINK_MODE_PARAMS(100000, KR2, Full),
333 	__DEFINE_LINK_MODE_PARAMS(100000, SR2, Full),
334 	__DEFINE_LINK_MODE_PARAMS(100000, CR2, Full),
335 	__DEFINE_LINK_MODE_PARAMS(100000, LR2_ER2_FR2, Full),
336 	__DEFINE_LINK_MODE_PARAMS(100000, DR2, Full),
337 	__DEFINE_LINK_MODE_PARAMS(200000, KR4, Full),
338 	__DEFINE_LINK_MODE_PARAMS(200000, SR4, Full),
339 	__DEFINE_LINK_MODE_PARAMS(200000, LR4_ER4_FR4, Full),
340 	__DEFINE_LINK_MODE_PARAMS(200000, DR4, Full),
341 	__DEFINE_LINK_MODE_PARAMS(200000, CR4, Full),
342 	__DEFINE_LINK_MODE_PARAMS(100, T1, Full),
343 	__DEFINE_LINK_MODE_PARAMS(1000, T1, Full),
344 	__DEFINE_LINK_MODE_PARAMS(400000, KR8, Full),
345 	__DEFINE_LINK_MODE_PARAMS(400000, SR8, Full),
346 	__DEFINE_LINK_MODE_PARAMS(400000, LR8_ER8_FR8, Full),
347 	__DEFINE_LINK_MODE_PARAMS(400000, DR8, Full),
348 	__DEFINE_LINK_MODE_PARAMS(400000, CR8, Full),
349 	__DEFINE_SPECIAL_MODE_PARAMS(FEC_LLRS),
350 	__DEFINE_LINK_MODE_PARAMS(100000, KR, Full),
351 	__DEFINE_LINK_MODE_PARAMS(100000, SR, Full),
352 	__DEFINE_LINK_MODE_PARAMS(100000, LR_ER_FR, Full),
353 	__DEFINE_LINK_MODE_PARAMS(100000, DR, Full),
354 	__DEFINE_LINK_MODE_PARAMS(100000, CR, Full),
355 	__DEFINE_LINK_MODE_PARAMS(200000, KR2, Full),
356 	__DEFINE_LINK_MODE_PARAMS(200000, SR2, Full),
357 	__DEFINE_LINK_MODE_PARAMS(200000, LR2_ER2_FR2, Full),
358 	__DEFINE_LINK_MODE_PARAMS(200000, DR2, Full),
359 	__DEFINE_LINK_MODE_PARAMS(200000, CR2, Full),
360 	__DEFINE_LINK_MODE_PARAMS(400000, KR4, Full),
361 	__DEFINE_LINK_MODE_PARAMS(400000, SR4, Full),
362 	__DEFINE_LINK_MODE_PARAMS(400000, LR4_ER4_FR4, Full),
363 	__DEFINE_LINK_MODE_PARAMS(400000, DR4, Full),
364 	__DEFINE_LINK_MODE_PARAMS(400000, CR4, Full),
365 	__DEFINE_LINK_MODE_PARAMS(100, FX, Half),
366 	__DEFINE_LINK_MODE_PARAMS(100, FX, Full),
367 	__DEFINE_LINK_MODE_PARAMS(10, T1L, Full),
368 	__DEFINE_LINK_MODE_PARAMS(800000, CR8, Full),
369 	__DEFINE_LINK_MODE_PARAMS(800000, KR8, Full),
370 	__DEFINE_LINK_MODE_PARAMS(800000, DR8, Full),
371 	__DEFINE_LINK_MODE_PARAMS(800000, DR8_2, Full),
372 	__DEFINE_LINK_MODE_PARAMS(800000, SR8, Full),
373 	__DEFINE_LINK_MODE_PARAMS(800000, VR8, Full),
374 	__DEFINE_LINK_MODE_PARAMS(10, T1S, Full),
375 	__DEFINE_LINK_MODE_PARAMS(10, T1S, Half),
376 	__DEFINE_LINK_MODE_PARAMS(10, T1S_P2MP, Half),
377 	__DEFINE_LINK_MODE_PARAMS(10, T1BRR, Full),
378 };
379 static_assert(ARRAY_SIZE(link_mode_params) == __ETHTOOL_LINK_MODE_MASK_NBITS);
380 
381 const char netif_msg_class_names[][ETH_GSTRING_LEN] = {
382 	[NETIF_MSG_DRV_BIT]		= "drv",
383 	[NETIF_MSG_PROBE_BIT]		= "probe",
384 	[NETIF_MSG_LINK_BIT]		= "link",
385 	[NETIF_MSG_TIMER_BIT]		= "timer",
386 	[NETIF_MSG_IFDOWN_BIT]		= "ifdown",
387 	[NETIF_MSG_IFUP_BIT]		= "ifup",
388 	[NETIF_MSG_RX_ERR_BIT]		= "rx_err",
389 	[NETIF_MSG_TX_ERR_BIT]		= "tx_err",
390 	[NETIF_MSG_TX_QUEUED_BIT]	= "tx_queued",
391 	[NETIF_MSG_INTR_BIT]		= "intr",
392 	[NETIF_MSG_TX_DONE_BIT]		= "tx_done",
393 	[NETIF_MSG_RX_STATUS_BIT]	= "rx_status",
394 	[NETIF_MSG_PKTDATA_BIT]		= "pktdata",
395 	[NETIF_MSG_HW_BIT]		= "hw",
396 	[NETIF_MSG_WOL_BIT]		= "wol",
397 };
398 static_assert(ARRAY_SIZE(netif_msg_class_names) == NETIF_MSG_CLASS_COUNT);
399 
400 const char wol_mode_names[][ETH_GSTRING_LEN] = {
401 	[const_ilog2(WAKE_PHY)]		= "phy",
402 	[const_ilog2(WAKE_UCAST)]	= "ucast",
403 	[const_ilog2(WAKE_MCAST)]	= "mcast",
404 	[const_ilog2(WAKE_BCAST)]	= "bcast",
405 	[const_ilog2(WAKE_ARP)]		= "arp",
406 	[const_ilog2(WAKE_MAGIC)]	= "magic",
407 	[const_ilog2(WAKE_MAGICSECURE)]	= "magicsecure",
408 	[const_ilog2(WAKE_FILTER)]	= "filter",
409 };
410 static_assert(ARRAY_SIZE(wol_mode_names) == WOL_MODE_COUNT);
411 
412 const char sof_timestamping_names[][ETH_GSTRING_LEN] = {
413 	[const_ilog2(SOF_TIMESTAMPING_TX_HARDWARE)]  = "hardware-transmit",
414 	[const_ilog2(SOF_TIMESTAMPING_TX_SOFTWARE)]  = "software-transmit",
415 	[const_ilog2(SOF_TIMESTAMPING_RX_HARDWARE)]  = "hardware-receive",
416 	[const_ilog2(SOF_TIMESTAMPING_RX_SOFTWARE)]  = "software-receive",
417 	[const_ilog2(SOF_TIMESTAMPING_SOFTWARE)]     = "software-system-clock",
418 	[const_ilog2(SOF_TIMESTAMPING_SYS_HARDWARE)] = "hardware-legacy-clock",
419 	[const_ilog2(SOF_TIMESTAMPING_RAW_HARDWARE)] = "hardware-raw-clock",
420 	[const_ilog2(SOF_TIMESTAMPING_OPT_ID)]       = "option-id",
421 	[const_ilog2(SOF_TIMESTAMPING_TX_SCHED)]     = "sched-transmit",
422 	[const_ilog2(SOF_TIMESTAMPING_TX_ACK)]       = "ack-transmit",
423 	[const_ilog2(SOF_TIMESTAMPING_OPT_CMSG)]     = "option-cmsg",
424 	[const_ilog2(SOF_TIMESTAMPING_OPT_TSONLY)]   = "option-tsonly",
425 	[const_ilog2(SOF_TIMESTAMPING_OPT_STATS)]    = "option-stats",
426 	[const_ilog2(SOF_TIMESTAMPING_OPT_PKTINFO)]  = "option-pktinfo",
427 	[const_ilog2(SOF_TIMESTAMPING_OPT_TX_SWHW)]  = "option-tx-swhw",
428 	[const_ilog2(SOF_TIMESTAMPING_BIND_PHC)]     = "bind-phc",
429 	[const_ilog2(SOF_TIMESTAMPING_OPT_ID_TCP)]   = "option-id-tcp",
430 	[const_ilog2(SOF_TIMESTAMPING_OPT_RX_FILTER)] = "option-rx-filter",
431 };
432 static_assert(ARRAY_SIZE(sof_timestamping_names) == __SOF_TIMESTAMPING_CNT);
433 
434 const char ts_tx_type_names[][ETH_GSTRING_LEN] = {
435 	[HWTSTAMP_TX_OFF]		= "off",
436 	[HWTSTAMP_TX_ON]		= "on",
437 	[HWTSTAMP_TX_ONESTEP_SYNC]	= "onestep-sync",
438 	[HWTSTAMP_TX_ONESTEP_P2P]	= "onestep-p2p",
439 };
440 static_assert(ARRAY_SIZE(ts_tx_type_names) == __HWTSTAMP_TX_CNT);
441 
442 const char ts_rx_filter_names[][ETH_GSTRING_LEN] = {
443 	[HWTSTAMP_FILTER_NONE]			= "none",
444 	[HWTSTAMP_FILTER_ALL]			= "all",
445 	[HWTSTAMP_FILTER_SOME]			= "some",
446 	[HWTSTAMP_FILTER_PTP_V1_L4_EVENT]	= "ptpv1-l4-event",
447 	[HWTSTAMP_FILTER_PTP_V1_L4_SYNC]	= "ptpv1-l4-sync",
448 	[HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ]	= "ptpv1-l4-delay-req",
449 	[HWTSTAMP_FILTER_PTP_V2_L4_EVENT]	= "ptpv2-l4-event",
450 	[HWTSTAMP_FILTER_PTP_V2_L4_SYNC]	= "ptpv2-l4-sync",
451 	[HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ]	= "ptpv2-l4-delay-req",
452 	[HWTSTAMP_FILTER_PTP_V2_L2_EVENT]	= "ptpv2-l2-event",
453 	[HWTSTAMP_FILTER_PTP_V2_L2_SYNC]	= "ptpv2-l2-sync",
454 	[HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ]	= "ptpv2-l2-delay-req",
455 	[HWTSTAMP_FILTER_PTP_V2_EVENT]		= "ptpv2-event",
456 	[HWTSTAMP_FILTER_PTP_V2_SYNC]		= "ptpv2-sync",
457 	[HWTSTAMP_FILTER_PTP_V2_DELAY_REQ]	= "ptpv2-delay-req",
458 	[HWTSTAMP_FILTER_NTP_ALL]		= "ntp-all",
459 };
460 static_assert(ARRAY_SIZE(ts_rx_filter_names) == __HWTSTAMP_FILTER_CNT);
461 
462 const char udp_tunnel_type_names[][ETH_GSTRING_LEN] = {
463 	[ETHTOOL_UDP_TUNNEL_TYPE_VXLAN]		= "vxlan",
464 	[ETHTOOL_UDP_TUNNEL_TYPE_GENEVE]	= "geneve",
465 	[ETHTOOL_UDP_TUNNEL_TYPE_VXLAN_GPE]	= "vxlan-gpe",
466 };
467 static_assert(ARRAY_SIZE(udp_tunnel_type_names) ==
468 	      __ETHTOOL_UDP_TUNNEL_TYPE_CNT);
469 
470 /* return false if legacy contained non-0 deprecated fields
471  * maxtxpkt/maxrxpkt. rest of ksettings always updated
472  */
473 bool
convert_legacy_settings_to_link_ksettings(struct ethtool_link_ksettings * link_ksettings,const struct ethtool_cmd * legacy_settings)474 convert_legacy_settings_to_link_ksettings(
475 	struct ethtool_link_ksettings *link_ksettings,
476 	const struct ethtool_cmd *legacy_settings)
477 {
478 	bool retval = true;
479 
480 	memset(link_ksettings, 0, sizeof(*link_ksettings));
481 
482 	/* This is used to tell users that driver is still using these
483 	 * deprecated legacy fields, and they should not use
484 	 * %ETHTOOL_GLINKSETTINGS/%ETHTOOL_SLINKSETTINGS
485 	 */
486 	if (legacy_settings->maxtxpkt ||
487 	    legacy_settings->maxrxpkt)
488 		retval = false;
489 
490 	ethtool_convert_legacy_u32_to_link_mode(
491 		link_ksettings->link_modes.supported,
492 		legacy_settings->supported);
493 	ethtool_convert_legacy_u32_to_link_mode(
494 		link_ksettings->link_modes.advertising,
495 		legacy_settings->advertising);
496 	ethtool_convert_legacy_u32_to_link_mode(
497 		link_ksettings->link_modes.lp_advertising,
498 		legacy_settings->lp_advertising);
499 	link_ksettings->base.speed
500 		= ethtool_cmd_speed(legacy_settings);
501 	link_ksettings->base.duplex
502 		= legacy_settings->duplex;
503 	link_ksettings->base.port
504 		= legacy_settings->port;
505 	link_ksettings->base.phy_address
506 		= legacy_settings->phy_address;
507 	link_ksettings->base.autoneg
508 		= legacy_settings->autoneg;
509 	link_ksettings->base.mdio_support
510 		= legacy_settings->mdio_support;
511 	link_ksettings->base.eth_tp_mdix
512 		= legacy_settings->eth_tp_mdix;
513 	link_ksettings->base.eth_tp_mdix_ctrl
514 		= legacy_settings->eth_tp_mdix_ctrl;
515 	return retval;
516 }
517 
__ethtool_get_link(struct net_device * dev)518 int __ethtool_get_link(struct net_device *dev)
519 {
520 	if (!dev->ethtool_ops->get_link)
521 		return -EOPNOTSUPP;
522 
523 	return netif_running(dev) && dev->ethtool_ops->get_link(dev);
524 }
525 
ethtool_get_rxnfc_rule_count(struct net_device * dev)526 static int ethtool_get_rxnfc_rule_count(struct net_device *dev)
527 {
528 	const struct ethtool_ops *ops = dev->ethtool_ops;
529 	struct ethtool_rxnfc info = {
530 		.cmd = ETHTOOL_GRXCLSRLCNT,
531 	};
532 	int err;
533 
534 	err = ops->get_rxnfc(dev, &info, NULL);
535 	if (err)
536 		return err;
537 
538 	return info.rule_cnt;
539 }
540 
ethtool_get_max_rxnfc_channel(struct net_device * dev,u64 * max)541 static int ethtool_get_max_rxnfc_channel(struct net_device *dev, u64 *max)
542 {
543 	const struct ethtool_ops *ops = dev->ethtool_ops;
544 	struct ethtool_rxnfc *info;
545 	int err, i, rule_cnt;
546 	u64 max_ring = 0;
547 
548 	if (!ops->get_rxnfc)
549 		return -EOPNOTSUPP;
550 
551 	rule_cnt = ethtool_get_rxnfc_rule_count(dev);
552 	if (rule_cnt <= 0)
553 		return -EINVAL;
554 
555 	info = kvzalloc(struct_size(info, rule_locs, rule_cnt), GFP_KERNEL);
556 	if (!info)
557 		return -ENOMEM;
558 
559 	info->cmd = ETHTOOL_GRXCLSRLALL;
560 	info->rule_cnt = rule_cnt;
561 	err = ops->get_rxnfc(dev, info, info->rule_locs);
562 	if (err)
563 		goto err_free_info;
564 
565 	for (i = 0; i < rule_cnt; i++) {
566 		struct ethtool_rxnfc rule_info = {
567 			.cmd = ETHTOOL_GRXCLSRULE,
568 			.fs.location = info->rule_locs[i],
569 		};
570 
571 		err = ops->get_rxnfc(dev, &rule_info, NULL);
572 		if (err)
573 			goto err_free_info;
574 
575 		if (rule_info.fs.ring_cookie != RX_CLS_FLOW_DISC &&
576 		    rule_info.fs.ring_cookie != RX_CLS_FLOW_WAKE &&
577 		    !(rule_info.flow_type & FLOW_RSS) &&
578 		    !ethtool_get_flow_spec_ring_vf(rule_info.fs.ring_cookie))
579 			max_ring =
580 				max_t(u64, max_ring, rule_info.fs.ring_cookie);
581 	}
582 
583 	kvfree(info);
584 	*max = max_ring;
585 	return 0;
586 
587 err_free_info:
588 	kvfree(info);
589 	return err;
590 }
591 
ethtool_get_max_rss_ctx_channel(struct net_device * dev)592 static u32 ethtool_get_max_rss_ctx_channel(struct net_device *dev)
593 {
594 	struct ethtool_rxfh_context *ctx;
595 	unsigned long context;
596 	u32 max_ring = 0;
597 
598 	mutex_lock(&dev->ethtool->rss_lock);
599 	xa_for_each(&dev->ethtool->rss_ctx, context, ctx) {
600 		u32 i, *tbl;
601 
602 		tbl = ethtool_rxfh_context_indir(ctx);
603 		for (i = 0; i < ctx->indir_size; i++)
604 			max_ring = max(max_ring, tbl[i]);
605 	}
606 	mutex_unlock(&dev->ethtool->rss_lock);
607 
608 	return max_ring;
609 }
610 
ethtool_get_max_rxfh_channel(struct net_device * dev)611 static u32 ethtool_get_max_rxfh_channel(struct net_device *dev)
612 {
613 	struct ethtool_rxfh_param rxfh = {};
614 	u32 dev_size, current_max;
615 	int ret;
616 
617 	/* While we do track whether RSS context has an indirection
618 	 * table explicitly set by the user, no driver looks at that bit.
619 	 * Assume drivers won't auto-regenerate the additional tables,
620 	 * to be safe.
621 	 */
622 	current_max = ethtool_get_max_rss_ctx_channel(dev);
623 
624 	if (!netif_is_rxfh_configured(dev))
625 		return current_max;
626 
627 	if (!dev->ethtool_ops->get_rxfh_indir_size ||
628 	    !dev->ethtool_ops->get_rxfh)
629 		return current_max;
630 	dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev);
631 	if (dev_size == 0)
632 		return current_max;
633 
634 	rxfh.indir = kcalloc(dev_size, sizeof(rxfh.indir[0]), GFP_USER);
635 	if (!rxfh.indir)
636 		return U32_MAX;
637 
638 	ret = dev->ethtool_ops->get_rxfh(dev, &rxfh);
639 	if (ret) {
640 		current_max = U32_MAX;
641 		goto out_free;
642 	}
643 
644 	while (dev_size--)
645 		current_max = max(current_max, rxfh.indir[dev_size]);
646 
647 out_free:
648 	kfree(rxfh.indir);
649 	return current_max;
650 }
651 
ethtool_check_max_channel(struct net_device * dev,struct ethtool_channels channels,struct genl_info * info)652 int ethtool_check_max_channel(struct net_device *dev,
653 			      struct ethtool_channels channels,
654 			      struct genl_info *info)
655 {
656 	u64 max_rxnfc_in_use;
657 	u32 max_rxfh_in_use;
658 	int max_mp_in_use;
659 
660 	/* ensure the new Rx count fits within the configured Rx flow
661 	 * indirection table/rxnfc settings
662 	 */
663 	if (ethtool_get_max_rxnfc_channel(dev, &max_rxnfc_in_use))
664 		max_rxnfc_in_use = 0;
665 	max_rxfh_in_use = ethtool_get_max_rxfh_channel(dev);
666 	if (channels.combined_count + channels.rx_count <= max_rxfh_in_use) {
667 		if (info)
668 			GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing indirection table (%d)", max_rxfh_in_use);
669 		return -EINVAL;
670 	}
671 	if (channels.combined_count + channels.rx_count <= max_rxnfc_in_use) {
672 		if (info)
673 			GENL_SET_ERR_MSG(info, "requested channel counts are too low for existing ntuple filter settings");
674 		return -EINVAL;
675 	}
676 
677 	max_mp_in_use = dev_get_min_mp_channel_count(dev);
678 	if (channels.combined_count + channels.rx_count <= max_mp_in_use) {
679 		if (info)
680 			GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing memory provider setting (%d)", max_mp_in_use);
681 		return -EINVAL;
682 	}
683 
684 	return 0;
685 }
686 
ethtool_check_ops(const struct ethtool_ops * ops)687 int ethtool_check_ops(const struct ethtool_ops *ops)
688 {
689 	if (WARN_ON(ops->set_coalesce && !ops->supported_coalesce_params))
690 		return -EINVAL;
691 	if (WARN_ON(ops->rxfh_max_num_contexts == 1))
692 		return -EINVAL;
693 	/* NOTE: sufficiently insane drivers may swap ethtool_ops at runtime,
694 	 * the fact that ops are checked at registration time does not
695 	 * mean the ops attached to a netdev later on are sane.
696 	 */
697 	return 0;
698 }
699 
__ethtool_get_ts_info(struct net_device * dev,struct kernel_ethtool_ts_info * info)700 int __ethtool_get_ts_info(struct net_device *dev, struct kernel_ethtool_ts_info *info)
701 {
702 	const struct ethtool_ops *ops = dev->ethtool_ops;
703 	struct phy_device *phydev = dev->phydev;
704 	int err = 0;
705 
706 	memset(info, 0, sizeof(*info));
707 	info->cmd = ETHTOOL_GET_TS_INFO;
708 	info->phc_index = -1;
709 
710 	if (phy_is_default_hwtstamp(phydev) && phy_has_tsinfo(phydev))
711 		err = phy_ts_info(phydev, info);
712 	else if (ops->get_ts_info)
713 		err = ops->get_ts_info(dev, info);
714 
715 	info->so_timestamping |= SOF_TIMESTAMPING_RX_SOFTWARE |
716 				 SOF_TIMESTAMPING_SOFTWARE;
717 
718 	return err;
719 }
720 
ethtool_get_phc_vclocks(struct net_device * dev,int ** vclock_index)721 int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index)
722 {
723 	struct kernel_ethtool_ts_info info = { };
724 	int num = 0;
725 
726 	if (!__ethtool_get_ts_info(dev, &info))
727 		num = ptp_get_vclocks_index(info.phc_index, vclock_index);
728 
729 	return num;
730 }
731 EXPORT_SYMBOL(ethtool_get_phc_vclocks);
732 
ethtool_get_ts_info_by_layer(struct net_device * dev,struct kernel_ethtool_ts_info * info)733 int ethtool_get_ts_info_by_layer(struct net_device *dev, struct kernel_ethtool_ts_info *info)
734 {
735 	return __ethtool_get_ts_info(dev, info);
736 }
737 EXPORT_SYMBOL(ethtool_get_ts_info_by_layer);
738 
739 const struct ethtool_phy_ops *ethtool_phy_ops;
740 
ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops * ops)741 void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops)
742 {
743 	ASSERT_RTNL();
744 	ethtool_phy_ops = ops;
745 }
746 EXPORT_SYMBOL_GPL(ethtool_set_ethtool_phy_ops);
747 
748 void
ethtool_params_from_link_mode(struct ethtool_link_ksettings * link_ksettings,enum ethtool_link_mode_bit_indices link_mode)749 ethtool_params_from_link_mode(struct ethtool_link_ksettings *link_ksettings,
750 			      enum ethtool_link_mode_bit_indices link_mode)
751 {
752 	const struct link_mode_info *link_info;
753 
754 	if (WARN_ON_ONCE(link_mode >= __ETHTOOL_LINK_MODE_MASK_NBITS))
755 		return;
756 
757 	link_info = &link_mode_params[link_mode];
758 	link_ksettings->base.speed = link_info->speed;
759 	link_ksettings->lanes = link_info->lanes;
760 	link_ksettings->base.duplex = link_info->duplex;
761 }
762 EXPORT_SYMBOL_GPL(ethtool_params_from_link_mode);
763 
764 /**
765  * ethtool_forced_speed_maps_init
766  * @maps: Pointer to an array of Ethtool forced speed map
767  * @size: Array size
768  *
769  * Initialize an array of Ethtool forced speed map to Ethtool link modes. This
770  * should be called during driver module init.
771  */
772 void
ethtool_forced_speed_maps_init(struct ethtool_forced_speed_map * maps,u32 size)773 ethtool_forced_speed_maps_init(struct ethtool_forced_speed_map *maps, u32 size)
774 {
775 	for (u32 i = 0; i < size; i++) {
776 		struct ethtool_forced_speed_map *map = &maps[i];
777 
778 		linkmode_set_bit_array(map->cap_arr, map->arr_size, map->caps);
779 		map->cap_arr = NULL;
780 		map->arr_size = 0;
781 	}
782 }
783 EXPORT_SYMBOL_GPL(ethtool_forced_speed_maps_init);
784 
ethtool_rxfh_context_lost(struct net_device * dev,u32 context_id)785 void ethtool_rxfh_context_lost(struct net_device *dev, u32 context_id)
786 {
787 	struct ethtool_rxfh_context *ctx;
788 
789 	WARN_ONCE(!rtnl_is_locked() &&
790 		  !lockdep_is_held_type(&dev->ethtool->rss_lock, -1),
791 		  "RSS context lock assertion failed\n");
792 
793 	netdev_err(dev, "device error, RSS context %d lost\n", context_id);
794 	ctx = xa_erase(&dev->ethtool->rss_ctx, context_id);
795 	kfree(ctx);
796 }
797 EXPORT_SYMBOL(ethtool_rxfh_context_lost);
798