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 #include <linux/phy_link_topology.h>
9 #include <net/netdev_queues.h>
10
11 #include "netlink.h"
12 #include "common.h"
13 #include "../core/dev.h"
14
15
16 const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] = {
17 [NETIF_F_SG_BIT] = "tx-scatter-gather",
18 [NETIF_F_IP_CSUM_BIT] = "tx-checksum-ipv4",
19 [NETIF_F_HW_CSUM_BIT] = "tx-checksum-ip-generic",
20 [NETIF_F_IPV6_CSUM_BIT] = "tx-checksum-ipv6",
21 [NETIF_F_HIGHDMA_BIT] = "highdma",
22 [NETIF_F_FRAGLIST_BIT] = "tx-scatter-gather-fraglist",
23 [NETIF_F_HW_VLAN_CTAG_TX_BIT] = "tx-vlan-hw-insert",
24
25 [NETIF_F_HW_VLAN_CTAG_RX_BIT] = "rx-vlan-hw-parse",
26 [NETIF_F_HW_VLAN_CTAG_FILTER_BIT] = "rx-vlan-filter",
27 [NETIF_F_HW_VLAN_STAG_TX_BIT] = "tx-vlan-stag-hw-insert",
28 [NETIF_F_HW_VLAN_STAG_RX_BIT] = "rx-vlan-stag-hw-parse",
29 [NETIF_F_HW_VLAN_STAG_FILTER_BIT] = "rx-vlan-stag-filter",
30 [NETIF_F_VLAN_CHALLENGED_BIT] = "vlan-challenged",
31 [NETIF_F_GSO_BIT] = "tx-generic-segmentation",
32 [NETIF_F_GRO_BIT] = "rx-gro",
33 [NETIF_F_GRO_HW_BIT] = "rx-gro-hw",
34 [NETIF_F_LRO_BIT] = "rx-lro",
35
36 [NETIF_F_TSO_BIT] = "tx-tcp-segmentation",
37 [NETIF_F_GSO_ROBUST_BIT] = "tx-gso-robust",
38 [NETIF_F_TSO_ECN_BIT] = "tx-tcp-ecn-segmentation",
39 [NETIF_F_TSO_MANGLEID_BIT] = "tx-tcp-mangleid-segmentation",
40 [NETIF_F_TSO6_BIT] = "tx-tcp6-segmentation",
41 [NETIF_F_FSO_BIT] = "tx-fcoe-segmentation",
42 [NETIF_F_GSO_GRE_BIT] = "tx-gre-segmentation",
43 [NETIF_F_GSO_GRE_CSUM_BIT] = "tx-gre-csum-segmentation",
44 [NETIF_F_GSO_IPXIP4_BIT] = "tx-ipxip4-segmentation",
45 [NETIF_F_GSO_IPXIP6_BIT] = "tx-ipxip6-segmentation",
46 [NETIF_F_GSO_UDP_TUNNEL_BIT] = "tx-udp_tnl-segmentation",
47 [NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT] = "tx-udp_tnl-csum-segmentation",
48 [NETIF_F_GSO_PARTIAL_BIT] = "tx-gso-partial",
49 [NETIF_F_GSO_TUNNEL_REMCSUM_BIT] = "tx-tunnel-remcsum-segmentation",
50 [NETIF_F_GSO_SCTP_BIT] = "tx-sctp-segmentation",
51 [NETIF_F_GSO_ESP_BIT] = "tx-esp-segmentation",
52 [NETIF_F_GSO_UDP_L4_BIT] = "tx-udp-segmentation",
53 [NETIF_F_GSO_FRAGLIST_BIT] = "tx-gso-list",
54
55 [NETIF_F_FCOE_CRC_BIT] = "tx-checksum-fcoe-crc",
56 [NETIF_F_SCTP_CRC_BIT] = "tx-checksum-sctp",
57 [NETIF_F_NTUPLE_BIT] = "rx-ntuple-filter",
58 [NETIF_F_RXHASH_BIT] = "rx-hashing",
59 [NETIF_F_RXCSUM_BIT] = "rx-checksum",
60 [NETIF_F_NOCACHE_COPY_BIT] = "tx-nocache-copy",
61 [NETIF_F_LOOPBACK_BIT] = "loopback",
62 [NETIF_F_RXFCS_BIT] = "rx-fcs",
63 [NETIF_F_RXALL_BIT] = "rx-all",
64 [NETIF_F_HW_L2FW_DOFFLOAD_BIT] = "l2-fwd-offload",
65 [NETIF_F_HW_TC_BIT] = "hw-tc-offload",
66 [NETIF_F_HW_ESP_BIT] = "esp-hw-offload",
67 [NETIF_F_HW_ESP_TX_CSUM_BIT] = "esp-tx-csum-hw-offload",
68 [NETIF_F_RX_UDP_TUNNEL_PORT_BIT] = "rx-udp_tunnel-port-offload",
69 [NETIF_F_HW_TLS_RECORD_BIT] = "tls-hw-record",
70 [NETIF_F_HW_TLS_TX_BIT] = "tls-hw-tx-offload",
71 [NETIF_F_HW_TLS_RX_BIT] = "tls-hw-rx-offload",
72 [NETIF_F_GRO_FRAGLIST_BIT] = "rx-gro-list",
73 [NETIF_F_HW_MACSEC_BIT] = "macsec-hw-offload",
74 [NETIF_F_GRO_UDP_FWD_BIT] = "rx-udp-gro-forwarding",
75 [NETIF_F_HW_HSR_TAG_INS_BIT] = "hsr-tag-ins-offload",
76 [NETIF_F_HW_HSR_TAG_RM_BIT] = "hsr-tag-rm-offload",
77 [NETIF_F_HW_HSR_FWD_BIT] = "hsr-fwd-offload",
78 [NETIF_F_HW_HSR_DUP_BIT] = "hsr-dup-offload",
79 };
80
81 const char
82 rss_hash_func_strings[ETH_RSS_HASH_FUNCS_COUNT][ETH_GSTRING_LEN] = {
83 [ETH_RSS_HASH_TOP_BIT] = "toeplitz",
84 [ETH_RSS_HASH_XOR_BIT] = "xor",
85 [ETH_RSS_HASH_CRC32_BIT] = "crc32",
86 };
87
88 const char
89 tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
90 [ETHTOOL_ID_UNSPEC] = "Unspec",
91 [ETHTOOL_RX_COPYBREAK] = "rx-copybreak",
92 [ETHTOOL_TX_COPYBREAK] = "tx-copybreak",
93 [ETHTOOL_PFC_PREVENTION_TOUT] = "pfc-prevention-tout",
94 [ETHTOOL_TX_COPYBREAK_BUF_SIZE] = "tx-copybreak-buf-size",
95 };
96
97 const char
98 phy_tunable_strings[__ETHTOOL_PHY_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
99 [ETHTOOL_ID_UNSPEC] = "Unspec",
100 [ETHTOOL_PHY_DOWNSHIFT] = "phy-downshift",
101 [ETHTOOL_PHY_FAST_LINK_DOWN] = "phy-fast-link-down",
102 [ETHTOOL_PHY_EDPD] = "phy-energy-detect-power-down",
103 };
104
105 #define __LINK_MODE_NAME(speed, type, duplex) \
106 #speed "base" #type "/" #duplex
107 #define __DEFINE_LINK_MODE_NAME(speed, type, duplex) \
108 [ETHTOOL_LINK_MODE(speed, type, duplex)] = \
109 __LINK_MODE_NAME(speed, type, duplex)
110 #define __DEFINE_SPECIAL_MODE_NAME(_mode, _name) \
111 [ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = _name
112
113 const char link_mode_names[][ETH_GSTRING_LEN] = {
114 __DEFINE_LINK_MODE_NAME(10, T, Half),
115 __DEFINE_LINK_MODE_NAME(10, T, Full),
116 __DEFINE_LINK_MODE_NAME(100, T, Half),
117 __DEFINE_LINK_MODE_NAME(100, T, Full),
118 __DEFINE_LINK_MODE_NAME(1000, T, Half),
119 __DEFINE_LINK_MODE_NAME(1000, T, Full),
120 __DEFINE_SPECIAL_MODE_NAME(Autoneg, "Autoneg"),
121 __DEFINE_SPECIAL_MODE_NAME(TP, "TP"),
122 __DEFINE_SPECIAL_MODE_NAME(AUI, "AUI"),
123 __DEFINE_SPECIAL_MODE_NAME(MII, "MII"),
124 __DEFINE_SPECIAL_MODE_NAME(FIBRE, "FIBRE"),
125 __DEFINE_SPECIAL_MODE_NAME(BNC, "BNC"),
126 __DEFINE_LINK_MODE_NAME(10000, T, Full),
127 __DEFINE_SPECIAL_MODE_NAME(Pause, "Pause"),
128 __DEFINE_SPECIAL_MODE_NAME(Asym_Pause, "Asym_Pause"),
129 __DEFINE_LINK_MODE_NAME(2500, X, Full),
130 __DEFINE_SPECIAL_MODE_NAME(Backplane, "Backplane"),
131 __DEFINE_LINK_MODE_NAME(1000, KX, Full),
132 __DEFINE_LINK_MODE_NAME(10000, KX4, Full),
133 __DEFINE_LINK_MODE_NAME(10000, KR, Full),
134 __DEFINE_SPECIAL_MODE_NAME(10000baseR_FEC, "10000baseR_FEC"),
135 __DEFINE_LINK_MODE_NAME(20000, MLD2, Full),
136 __DEFINE_LINK_MODE_NAME(20000, KR2, Full),
137 __DEFINE_LINK_MODE_NAME(40000, KR4, Full),
138 __DEFINE_LINK_MODE_NAME(40000, CR4, Full),
139 __DEFINE_LINK_MODE_NAME(40000, SR4, Full),
140 __DEFINE_LINK_MODE_NAME(40000, LR4, Full),
141 __DEFINE_LINK_MODE_NAME(56000, KR4, Full),
142 __DEFINE_LINK_MODE_NAME(56000, CR4, Full),
143 __DEFINE_LINK_MODE_NAME(56000, SR4, Full),
144 __DEFINE_LINK_MODE_NAME(56000, LR4, Full),
145 __DEFINE_LINK_MODE_NAME(25000, CR, Full),
146 __DEFINE_LINK_MODE_NAME(25000, KR, Full),
147 __DEFINE_LINK_MODE_NAME(25000, SR, Full),
148 __DEFINE_LINK_MODE_NAME(50000, CR2, Full),
149 __DEFINE_LINK_MODE_NAME(50000, KR2, Full),
150 __DEFINE_LINK_MODE_NAME(100000, KR4, Full),
151 __DEFINE_LINK_MODE_NAME(100000, SR4, Full),
152 __DEFINE_LINK_MODE_NAME(100000, CR4, Full),
153 __DEFINE_LINK_MODE_NAME(100000, LR4_ER4, Full),
154 __DEFINE_LINK_MODE_NAME(50000, SR2, Full),
155 __DEFINE_LINK_MODE_NAME(1000, X, Full),
156 __DEFINE_LINK_MODE_NAME(10000, CR, Full),
157 __DEFINE_LINK_MODE_NAME(10000, SR, Full),
158 __DEFINE_LINK_MODE_NAME(10000, LR, Full),
159 __DEFINE_LINK_MODE_NAME(10000, LRM, Full),
160 __DEFINE_LINK_MODE_NAME(10000, ER, Full),
161 __DEFINE_LINK_MODE_NAME(2500, T, Full),
162 __DEFINE_LINK_MODE_NAME(5000, T, Full),
163 __DEFINE_SPECIAL_MODE_NAME(FEC_NONE, "None"),
164 __DEFINE_SPECIAL_MODE_NAME(FEC_RS, "RS"),
165 __DEFINE_SPECIAL_MODE_NAME(FEC_BASER, "BASER"),
166 __DEFINE_LINK_MODE_NAME(50000, KR, Full),
167 __DEFINE_LINK_MODE_NAME(50000, SR, Full),
168 __DEFINE_LINK_MODE_NAME(50000, CR, Full),
169 __DEFINE_LINK_MODE_NAME(50000, LR_ER_FR, Full),
170 __DEFINE_LINK_MODE_NAME(50000, DR, Full),
171 __DEFINE_LINK_MODE_NAME(100000, KR2, Full),
172 __DEFINE_LINK_MODE_NAME(100000, SR2, Full),
173 __DEFINE_LINK_MODE_NAME(100000, CR2, Full),
174 __DEFINE_LINK_MODE_NAME(100000, LR2_ER2_FR2, Full),
175 __DEFINE_LINK_MODE_NAME(100000, DR2, Full),
176 __DEFINE_LINK_MODE_NAME(200000, KR4, Full),
177 __DEFINE_LINK_MODE_NAME(200000, SR4, Full),
178 __DEFINE_LINK_MODE_NAME(200000, LR4_ER4_FR4, Full),
179 __DEFINE_LINK_MODE_NAME(200000, DR4, Full),
180 __DEFINE_LINK_MODE_NAME(200000, CR4, Full),
181 __DEFINE_LINK_MODE_NAME(100, T1, Full),
182 __DEFINE_LINK_MODE_NAME(1000, T1, Full),
183 __DEFINE_LINK_MODE_NAME(400000, KR8, Full),
184 __DEFINE_LINK_MODE_NAME(400000, SR8, Full),
185 __DEFINE_LINK_MODE_NAME(400000, LR8_ER8_FR8, Full),
186 __DEFINE_LINK_MODE_NAME(400000, DR8, Full),
187 __DEFINE_LINK_MODE_NAME(400000, CR8, Full),
188 __DEFINE_SPECIAL_MODE_NAME(FEC_LLRS, "LLRS"),
189 __DEFINE_LINK_MODE_NAME(100000, KR, Full),
190 __DEFINE_LINK_MODE_NAME(100000, SR, Full),
191 __DEFINE_LINK_MODE_NAME(100000, LR_ER_FR, Full),
192 __DEFINE_LINK_MODE_NAME(100000, DR, Full),
193 __DEFINE_LINK_MODE_NAME(100000, CR, Full),
194 __DEFINE_LINK_MODE_NAME(200000, KR2, Full),
195 __DEFINE_LINK_MODE_NAME(200000, SR2, Full),
196 __DEFINE_LINK_MODE_NAME(200000, LR2_ER2_FR2, Full),
197 __DEFINE_LINK_MODE_NAME(200000, DR2, Full),
198 __DEFINE_LINK_MODE_NAME(200000, CR2, Full),
199 __DEFINE_LINK_MODE_NAME(400000, KR4, Full),
200 __DEFINE_LINK_MODE_NAME(400000, SR4, Full),
201 __DEFINE_LINK_MODE_NAME(400000, LR4_ER4_FR4, Full),
202 __DEFINE_LINK_MODE_NAME(400000, DR4, Full),
203 __DEFINE_LINK_MODE_NAME(400000, CR4, Full),
204 __DEFINE_LINK_MODE_NAME(100, FX, Half),
205 __DEFINE_LINK_MODE_NAME(100, FX, Full),
206 __DEFINE_LINK_MODE_NAME(10, T1L, Full),
207 __DEFINE_LINK_MODE_NAME(800000, CR8, Full),
208 __DEFINE_LINK_MODE_NAME(800000, KR8, Full),
209 __DEFINE_LINK_MODE_NAME(800000, DR8, Full),
210 __DEFINE_LINK_MODE_NAME(800000, DR8_2, Full),
211 __DEFINE_LINK_MODE_NAME(800000, SR8, Full),
212 __DEFINE_LINK_MODE_NAME(800000, VR8, Full),
213 __DEFINE_LINK_MODE_NAME(10, T1S, Full),
214 __DEFINE_LINK_MODE_NAME(10, T1S, Half),
215 __DEFINE_LINK_MODE_NAME(10, T1S_P2MP, Half),
216 __DEFINE_LINK_MODE_NAME(10, T1BRR, Full),
217 };
218 static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS);
219
220 #define __LINK_MODE_LANES_CR 1
221 #define __LINK_MODE_LANES_CR2 2
222 #define __LINK_MODE_LANES_CR4 4
223 #define __LINK_MODE_LANES_CR8 8
224 #define __LINK_MODE_LANES_DR 1
225 #define __LINK_MODE_LANES_DR2 2
226 #define __LINK_MODE_LANES_DR4 4
227 #define __LINK_MODE_LANES_DR8 8
228 #define __LINK_MODE_LANES_KR 1
229 #define __LINK_MODE_LANES_KR2 2
230 #define __LINK_MODE_LANES_KR4 4
231 #define __LINK_MODE_LANES_KR8 8
232 #define __LINK_MODE_LANES_SR 1
233 #define __LINK_MODE_LANES_SR2 2
234 #define __LINK_MODE_LANES_SR4 4
235 #define __LINK_MODE_LANES_SR8 8
236 #define __LINK_MODE_LANES_ER 1
237 #define __LINK_MODE_LANES_KX 1
238 #define __LINK_MODE_LANES_KX4 4
239 #define __LINK_MODE_LANES_LR 1
240 #define __LINK_MODE_LANES_LR4 4
241 #define __LINK_MODE_LANES_LR4_ER4 4
242 #define __LINK_MODE_LANES_LR_ER_FR 1
243 #define __LINK_MODE_LANES_LR2_ER2_FR2 2
244 #define __LINK_MODE_LANES_LR4_ER4_FR4 4
245 #define __LINK_MODE_LANES_LR8_ER8_FR8 8
246 #define __LINK_MODE_LANES_LRM 1
247 #define __LINK_MODE_LANES_MLD2 2
248 #define __LINK_MODE_LANES_T 1
249 #define __LINK_MODE_LANES_T1 1
250 #define __LINK_MODE_LANES_X 1
251 #define __LINK_MODE_LANES_FX 1
252 #define __LINK_MODE_LANES_T1L 1
253 #define __LINK_MODE_LANES_T1S 1
254 #define __LINK_MODE_LANES_T1S_P2MP 1
255 #define __LINK_MODE_LANES_VR8 8
256 #define __LINK_MODE_LANES_DR8_2 8
257 #define __LINK_MODE_LANES_T1BRR 1
258
259 #define __DEFINE_LINK_MODE_PARAMS(_speed, _type, _duplex) \
260 [ETHTOOL_LINK_MODE(_speed, _type, _duplex)] = { \
261 .speed = SPEED_ ## _speed, \
262 .lanes = __LINK_MODE_LANES_ ## _type, \
263 .duplex = __DUPLEX_ ## _duplex \
264 }
265 #define __DUPLEX_Half DUPLEX_HALF
266 #define __DUPLEX_Full DUPLEX_FULL
267 #define __DEFINE_SPECIAL_MODE_PARAMS(_mode) \
268 [ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = { \
269 .speed = SPEED_UNKNOWN, \
270 .lanes = 0, \
271 .duplex = DUPLEX_UNKNOWN, \
272 }
273
274 const struct link_mode_info link_mode_params[] = {
275 __DEFINE_LINK_MODE_PARAMS(10, T, Half),
276 __DEFINE_LINK_MODE_PARAMS(10, T, Full),
277 __DEFINE_LINK_MODE_PARAMS(100, T, Half),
278 __DEFINE_LINK_MODE_PARAMS(100, T, Full),
279 __DEFINE_LINK_MODE_PARAMS(1000, T, Half),
280 __DEFINE_LINK_MODE_PARAMS(1000, T, Full),
281 __DEFINE_SPECIAL_MODE_PARAMS(Autoneg),
282 __DEFINE_SPECIAL_MODE_PARAMS(TP),
283 __DEFINE_SPECIAL_MODE_PARAMS(AUI),
284 __DEFINE_SPECIAL_MODE_PARAMS(MII),
285 __DEFINE_SPECIAL_MODE_PARAMS(FIBRE),
286 __DEFINE_SPECIAL_MODE_PARAMS(BNC),
287 __DEFINE_LINK_MODE_PARAMS(10000, T, Full),
288 __DEFINE_SPECIAL_MODE_PARAMS(Pause),
289 __DEFINE_SPECIAL_MODE_PARAMS(Asym_Pause),
290 __DEFINE_LINK_MODE_PARAMS(2500, X, Full),
291 __DEFINE_SPECIAL_MODE_PARAMS(Backplane),
292 __DEFINE_LINK_MODE_PARAMS(1000, KX, Full),
293 __DEFINE_LINK_MODE_PARAMS(10000, KX4, Full),
294 __DEFINE_LINK_MODE_PARAMS(10000, KR, Full),
295 [ETHTOOL_LINK_MODE_10000baseR_FEC_BIT] = {
296 .speed = SPEED_10000,
297 .lanes = 1,
298 .duplex = DUPLEX_FULL,
299 },
300 __DEFINE_LINK_MODE_PARAMS(20000, MLD2, Full),
301 __DEFINE_LINK_MODE_PARAMS(20000, KR2, Full),
302 __DEFINE_LINK_MODE_PARAMS(40000, KR4, Full),
303 __DEFINE_LINK_MODE_PARAMS(40000, CR4, Full),
304 __DEFINE_LINK_MODE_PARAMS(40000, SR4, Full),
305 __DEFINE_LINK_MODE_PARAMS(40000, LR4, Full),
306 __DEFINE_LINK_MODE_PARAMS(56000, KR4, Full),
307 __DEFINE_LINK_MODE_PARAMS(56000, CR4, Full),
308 __DEFINE_LINK_MODE_PARAMS(56000, SR4, Full),
309 __DEFINE_LINK_MODE_PARAMS(56000, LR4, Full),
310 __DEFINE_LINK_MODE_PARAMS(25000, CR, Full),
311 __DEFINE_LINK_MODE_PARAMS(25000, KR, Full),
312 __DEFINE_LINK_MODE_PARAMS(25000, SR, Full),
313 __DEFINE_LINK_MODE_PARAMS(50000, CR2, Full),
314 __DEFINE_LINK_MODE_PARAMS(50000, KR2, Full),
315 __DEFINE_LINK_MODE_PARAMS(100000, KR4, Full),
316 __DEFINE_LINK_MODE_PARAMS(100000, SR4, Full),
317 __DEFINE_LINK_MODE_PARAMS(100000, CR4, Full),
318 __DEFINE_LINK_MODE_PARAMS(100000, LR4_ER4, Full),
319 __DEFINE_LINK_MODE_PARAMS(50000, SR2, Full),
320 __DEFINE_LINK_MODE_PARAMS(1000, X, Full),
321 __DEFINE_LINK_MODE_PARAMS(10000, CR, Full),
322 __DEFINE_LINK_MODE_PARAMS(10000, SR, Full),
323 __DEFINE_LINK_MODE_PARAMS(10000, LR, Full),
324 __DEFINE_LINK_MODE_PARAMS(10000, LRM, Full),
325 __DEFINE_LINK_MODE_PARAMS(10000, ER, Full),
326 __DEFINE_LINK_MODE_PARAMS(2500, T, Full),
327 __DEFINE_LINK_MODE_PARAMS(5000, T, Full),
328 __DEFINE_SPECIAL_MODE_PARAMS(FEC_NONE),
329 __DEFINE_SPECIAL_MODE_PARAMS(FEC_RS),
330 __DEFINE_SPECIAL_MODE_PARAMS(FEC_BASER),
331 __DEFINE_LINK_MODE_PARAMS(50000, KR, Full),
332 __DEFINE_LINK_MODE_PARAMS(50000, SR, Full),
333 __DEFINE_LINK_MODE_PARAMS(50000, CR, Full),
334 __DEFINE_LINK_MODE_PARAMS(50000, LR_ER_FR, Full),
335 __DEFINE_LINK_MODE_PARAMS(50000, DR, Full),
336 __DEFINE_LINK_MODE_PARAMS(100000, KR2, Full),
337 __DEFINE_LINK_MODE_PARAMS(100000, SR2, Full),
338 __DEFINE_LINK_MODE_PARAMS(100000, CR2, Full),
339 __DEFINE_LINK_MODE_PARAMS(100000, LR2_ER2_FR2, Full),
340 __DEFINE_LINK_MODE_PARAMS(100000, DR2, Full),
341 __DEFINE_LINK_MODE_PARAMS(200000, KR4, Full),
342 __DEFINE_LINK_MODE_PARAMS(200000, SR4, Full),
343 __DEFINE_LINK_MODE_PARAMS(200000, LR4_ER4_FR4, Full),
344 __DEFINE_LINK_MODE_PARAMS(200000, DR4, Full),
345 __DEFINE_LINK_MODE_PARAMS(200000, CR4, Full),
346 __DEFINE_LINK_MODE_PARAMS(100, T1, Full),
347 __DEFINE_LINK_MODE_PARAMS(1000, T1, Full),
348 __DEFINE_LINK_MODE_PARAMS(400000, KR8, Full),
349 __DEFINE_LINK_MODE_PARAMS(400000, SR8, Full),
350 __DEFINE_LINK_MODE_PARAMS(400000, LR8_ER8_FR8, Full),
351 __DEFINE_LINK_MODE_PARAMS(400000, DR8, Full),
352 __DEFINE_LINK_MODE_PARAMS(400000, CR8, Full),
353 __DEFINE_SPECIAL_MODE_PARAMS(FEC_LLRS),
354 __DEFINE_LINK_MODE_PARAMS(100000, KR, Full),
355 __DEFINE_LINK_MODE_PARAMS(100000, SR, Full),
356 __DEFINE_LINK_MODE_PARAMS(100000, LR_ER_FR, Full),
357 __DEFINE_LINK_MODE_PARAMS(100000, DR, Full),
358 __DEFINE_LINK_MODE_PARAMS(100000, CR, Full),
359 __DEFINE_LINK_MODE_PARAMS(200000, KR2, Full),
360 __DEFINE_LINK_MODE_PARAMS(200000, SR2, Full),
361 __DEFINE_LINK_MODE_PARAMS(200000, LR2_ER2_FR2, Full),
362 __DEFINE_LINK_MODE_PARAMS(200000, DR2, Full),
363 __DEFINE_LINK_MODE_PARAMS(200000, CR2, Full),
364 __DEFINE_LINK_MODE_PARAMS(400000, KR4, Full),
365 __DEFINE_LINK_MODE_PARAMS(400000, SR4, Full),
366 __DEFINE_LINK_MODE_PARAMS(400000, LR4_ER4_FR4, Full),
367 __DEFINE_LINK_MODE_PARAMS(400000, DR4, Full),
368 __DEFINE_LINK_MODE_PARAMS(400000, CR4, Full),
369 __DEFINE_LINK_MODE_PARAMS(100, FX, Half),
370 __DEFINE_LINK_MODE_PARAMS(100, FX, Full),
371 __DEFINE_LINK_MODE_PARAMS(10, T1L, Full),
372 __DEFINE_LINK_MODE_PARAMS(800000, CR8, Full),
373 __DEFINE_LINK_MODE_PARAMS(800000, KR8, Full),
374 __DEFINE_LINK_MODE_PARAMS(800000, DR8, Full),
375 __DEFINE_LINK_MODE_PARAMS(800000, DR8_2, Full),
376 __DEFINE_LINK_MODE_PARAMS(800000, SR8, Full),
377 __DEFINE_LINK_MODE_PARAMS(800000, VR8, Full),
378 __DEFINE_LINK_MODE_PARAMS(10, T1S, Full),
379 __DEFINE_LINK_MODE_PARAMS(10, T1S, Half),
380 __DEFINE_LINK_MODE_PARAMS(10, T1S_P2MP, Half),
381 __DEFINE_LINK_MODE_PARAMS(10, T1BRR, Full),
382 };
383 static_assert(ARRAY_SIZE(link_mode_params) == __ETHTOOL_LINK_MODE_MASK_NBITS);
384
385 const char netif_msg_class_names[][ETH_GSTRING_LEN] = {
386 [NETIF_MSG_DRV_BIT] = "drv",
387 [NETIF_MSG_PROBE_BIT] = "probe",
388 [NETIF_MSG_LINK_BIT] = "link",
389 [NETIF_MSG_TIMER_BIT] = "timer",
390 [NETIF_MSG_IFDOWN_BIT] = "ifdown",
391 [NETIF_MSG_IFUP_BIT] = "ifup",
392 [NETIF_MSG_RX_ERR_BIT] = "rx_err",
393 [NETIF_MSG_TX_ERR_BIT] = "tx_err",
394 [NETIF_MSG_TX_QUEUED_BIT] = "tx_queued",
395 [NETIF_MSG_INTR_BIT] = "intr",
396 [NETIF_MSG_TX_DONE_BIT] = "tx_done",
397 [NETIF_MSG_RX_STATUS_BIT] = "rx_status",
398 [NETIF_MSG_PKTDATA_BIT] = "pktdata",
399 [NETIF_MSG_HW_BIT] = "hw",
400 [NETIF_MSG_WOL_BIT] = "wol",
401 };
402 static_assert(ARRAY_SIZE(netif_msg_class_names) == NETIF_MSG_CLASS_COUNT);
403
404 const char wol_mode_names[][ETH_GSTRING_LEN] = {
405 [const_ilog2(WAKE_PHY)] = "phy",
406 [const_ilog2(WAKE_UCAST)] = "ucast",
407 [const_ilog2(WAKE_MCAST)] = "mcast",
408 [const_ilog2(WAKE_BCAST)] = "bcast",
409 [const_ilog2(WAKE_ARP)] = "arp",
410 [const_ilog2(WAKE_MAGIC)] = "magic",
411 [const_ilog2(WAKE_MAGICSECURE)] = "magicsecure",
412 [const_ilog2(WAKE_FILTER)] = "filter",
413 };
414 static_assert(ARRAY_SIZE(wol_mode_names) == WOL_MODE_COUNT);
415
416 const char sof_timestamping_names[][ETH_GSTRING_LEN] = {
417 [const_ilog2(SOF_TIMESTAMPING_TX_HARDWARE)] = "hardware-transmit",
418 [const_ilog2(SOF_TIMESTAMPING_TX_SOFTWARE)] = "software-transmit",
419 [const_ilog2(SOF_TIMESTAMPING_RX_HARDWARE)] = "hardware-receive",
420 [const_ilog2(SOF_TIMESTAMPING_RX_SOFTWARE)] = "software-receive",
421 [const_ilog2(SOF_TIMESTAMPING_SOFTWARE)] = "software-system-clock",
422 [const_ilog2(SOF_TIMESTAMPING_SYS_HARDWARE)] = "hardware-legacy-clock",
423 [const_ilog2(SOF_TIMESTAMPING_RAW_HARDWARE)] = "hardware-raw-clock",
424 [const_ilog2(SOF_TIMESTAMPING_OPT_ID)] = "option-id",
425 [const_ilog2(SOF_TIMESTAMPING_TX_SCHED)] = "sched-transmit",
426 [const_ilog2(SOF_TIMESTAMPING_TX_ACK)] = "ack-transmit",
427 [const_ilog2(SOF_TIMESTAMPING_OPT_CMSG)] = "option-cmsg",
428 [const_ilog2(SOF_TIMESTAMPING_OPT_TSONLY)] = "option-tsonly",
429 [const_ilog2(SOF_TIMESTAMPING_OPT_STATS)] = "option-stats",
430 [const_ilog2(SOF_TIMESTAMPING_OPT_PKTINFO)] = "option-pktinfo",
431 [const_ilog2(SOF_TIMESTAMPING_OPT_TX_SWHW)] = "option-tx-swhw",
432 [const_ilog2(SOF_TIMESTAMPING_BIND_PHC)] = "bind-phc",
433 [const_ilog2(SOF_TIMESTAMPING_OPT_ID_TCP)] = "option-id-tcp",
434 [const_ilog2(SOF_TIMESTAMPING_OPT_RX_FILTER)] = "option-rx-filter",
435 };
436 static_assert(ARRAY_SIZE(sof_timestamping_names) == __SOF_TIMESTAMPING_CNT);
437
438 const char ts_tx_type_names[][ETH_GSTRING_LEN] = {
439 [HWTSTAMP_TX_OFF] = "off",
440 [HWTSTAMP_TX_ON] = "on",
441 [HWTSTAMP_TX_ONESTEP_SYNC] = "onestep-sync",
442 [HWTSTAMP_TX_ONESTEP_P2P] = "onestep-p2p",
443 };
444 static_assert(ARRAY_SIZE(ts_tx_type_names) == __HWTSTAMP_TX_CNT);
445
446 const char ts_rx_filter_names[][ETH_GSTRING_LEN] = {
447 [HWTSTAMP_FILTER_NONE] = "none",
448 [HWTSTAMP_FILTER_ALL] = "all",
449 [HWTSTAMP_FILTER_SOME] = "some",
450 [HWTSTAMP_FILTER_PTP_V1_L4_EVENT] = "ptpv1-l4-event",
451 [HWTSTAMP_FILTER_PTP_V1_L4_SYNC] = "ptpv1-l4-sync",
452 [HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ] = "ptpv1-l4-delay-req",
453 [HWTSTAMP_FILTER_PTP_V2_L4_EVENT] = "ptpv2-l4-event",
454 [HWTSTAMP_FILTER_PTP_V2_L4_SYNC] = "ptpv2-l4-sync",
455 [HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ] = "ptpv2-l4-delay-req",
456 [HWTSTAMP_FILTER_PTP_V2_L2_EVENT] = "ptpv2-l2-event",
457 [HWTSTAMP_FILTER_PTP_V2_L2_SYNC] = "ptpv2-l2-sync",
458 [HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ] = "ptpv2-l2-delay-req",
459 [HWTSTAMP_FILTER_PTP_V2_EVENT] = "ptpv2-event",
460 [HWTSTAMP_FILTER_PTP_V2_SYNC] = "ptpv2-sync",
461 [HWTSTAMP_FILTER_PTP_V2_DELAY_REQ] = "ptpv2-delay-req",
462 [HWTSTAMP_FILTER_NTP_ALL] = "ntp-all",
463 };
464 static_assert(ARRAY_SIZE(ts_rx_filter_names) == __HWTSTAMP_FILTER_CNT);
465
466 const char ts_flags_names[][ETH_GSTRING_LEN] = {
467 [const_ilog2(HWTSTAMP_FLAG_BONDED_PHC_INDEX)] = "bonded-phc-index",
468 };
469 static_assert(ARRAY_SIZE(ts_flags_names) == __HWTSTAMP_FLAG_CNT);
470
471 const char udp_tunnel_type_names[][ETH_GSTRING_LEN] = {
472 [ETHTOOL_UDP_TUNNEL_TYPE_VXLAN] = "vxlan",
473 [ETHTOOL_UDP_TUNNEL_TYPE_GENEVE] = "geneve",
474 [ETHTOOL_UDP_TUNNEL_TYPE_VXLAN_GPE] = "vxlan-gpe",
475 };
476 static_assert(ARRAY_SIZE(udp_tunnel_type_names) ==
477 __ETHTOOL_UDP_TUNNEL_TYPE_CNT);
478
479 /* return false if legacy contained non-0 deprecated fields
480 * maxtxpkt/maxrxpkt. rest of ksettings always updated
481 */
482 bool
convert_legacy_settings_to_link_ksettings(struct ethtool_link_ksettings * link_ksettings,const struct ethtool_cmd * legacy_settings)483 convert_legacy_settings_to_link_ksettings(
484 struct ethtool_link_ksettings *link_ksettings,
485 const struct ethtool_cmd *legacy_settings)
486 {
487 bool retval = true;
488
489 memset(link_ksettings, 0, sizeof(*link_ksettings));
490
491 /* This is used to tell users that driver is still using these
492 * deprecated legacy fields, and they should not use
493 * %ETHTOOL_GLINKSETTINGS/%ETHTOOL_SLINKSETTINGS
494 */
495 if (legacy_settings->maxtxpkt ||
496 legacy_settings->maxrxpkt)
497 retval = false;
498
499 ethtool_convert_legacy_u32_to_link_mode(
500 link_ksettings->link_modes.supported,
501 legacy_settings->supported);
502 ethtool_convert_legacy_u32_to_link_mode(
503 link_ksettings->link_modes.advertising,
504 legacy_settings->advertising);
505 ethtool_convert_legacy_u32_to_link_mode(
506 link_ksettings->link_modes.lp_advertising,
507 legacy_settings->lp_advertising);
508 link_ksettings->base.speed
509 = ethtool_cmd_speed(legacy_settings);
510 link_ksettings->base.duplex
511 = legacy_settings->duplex;
512 link_ksettings->base.port
513 = legacy_settings->port;
514 link_ksettings->base.phy_address
515 = legacy_settings->phy_address;
516 link_ksettings->base.autoneg
517 = legacy_settings->autoneg;
518 link_ksettings->base.mdio_support
519 = legacy_settings->mdio_support;
520 link_ksettings->base.eth_tp_mdix
521 = legacy_settings->eth_tp_mdix;
522 link_ksettings->base.eth_tp_mdix_ctrl
523 = legacy_settings->eth_tp_mdix_ctrl;
524 return retval;
525 }
526
__ethtool_get_link(struct net_device * dev)527 int __ethtool_get_link(struct net_device *dev)
528 {
529 if (!dev->ethtool_ops->get_link)
530 return -EOPNOTSUPP;
531
532 return netif_running(dev) && dev->ethtool_ops->get_link(dev);
533 }
534
ethtool_get_rxnfc_rule_count(struct net_device * dev)535 static int ethtool_get_rxnfc_rule_count(struct net_device *dev)
536 {
537 const struct ethtool_ops *ops = dev->ethtool_ops;
538 struct ethtool_rxnfc info = {
539 .cmd = ETHTOOL_GRXCLSRLCNT,
540 };
541 int err;
542
543 err = ops->get_rxnfc(dev, &info, NULL);
544 if (err)
545 return err;
546
547 return info.rule_cnt;
548 }
549
550 /* Max offset for one RSS context */
ethtool_get_rss_ctx_max_channel(struct ethtool_rxfh_context * ctx)551 static u32 ethtool_get_rss_ctx_max_channel(struct ethtool_rxfh_context *ctx)
552 {
553 u32 max_ring = 0;
554 u32 i, *tbl;
555
556 if (WARN_ON_ONCE(!ctx))
557 return 0;
558 tbl = ethtool_rxfh_context_indir(ctx);
559 for (i = 0; i < ctx->indir_size; i++)
560 max_ring = max(max_ring, tbl[i]);
561 return max_ring;
562 }
563
ethtool_get_max_rxnfc_channel(struct net_device * dev,u64 * max)564 static int ethtool_get_max_rxnfc_channel(struct net_device *dev, u64 *max)
565 {
566 const struct ethtool_ops *ops = dev->ethtool_ops;
567 struct ethtool_rxnfc *info;
568 int err, i, rule_cnt;
569 u64 max_ring = 0;
570
571 if (!ops->get_rxnfc)
572 return -EOPNOTSUPP;
573
574 rule_cnt = ethtool_get_rxnfc_rule_count(dev);
575 if (rule_cnt <= 0)
576 return -EINVAL;
577
578 info = kvzalloc(struct_size(info, rule_locs, rule_cnt), GFP_KERNEL);
579 if (!info)
580 return -ENOMEM;
581
582 info->cmd = ETHTOOL_GRXCLSRLALL;
583 info->rule_cnt = rule_cnt;
584 err = ops->get_rxnfc(dev, info, info->rule_locs);
585 if (err)
586 goto err_free_info;
587
588 for (i = 0; i < rule_cnt; i++) {
589 struct ethtool_rxnfc rule_info = {
590 .cmd = ETHTOOL_GRXCLSRULE,
591 .fs.location = info->rule_locs[i],
592 };
593
594 err = ops->get_rxnfc(dev, &rule_info, NULL);
595 if (err)
596 goto err_free_info;
597
598 if (rule_info.fs.ring_cookie != RX_CLS_FLOW_DISC &&
599 rule_info.fs.ring_cookie != RX_CLS_FLOW_WAKE &&
600 !ethtool_get_flow_spec_ring_vf(rule_info.fs.ring_cookie)) {
601 u64 ring = rule_info.fs.ring_cookie;
602
603 if (rule_info.flow_type & FLOW_RSS) {
604 struct ethtool_rxfh_context *ctx;
605
606 ctx = xa_load(&dev->ethtool->rss_ctx,
607 rule_info.rss_context);
608 ring += ethtool_get_rss_ctx_max_channel(ctx);
609 }
610 max_ring = max_t(u64, max_ring, ring);
611 }
612 }
613
614 kvfree(info);
615 *max = max_ring;
616 return 0;
617
618 err_free_info:
619 kvfree(info);
620 return err;
621 }
622
623 /* Max offset across all of a device's RSS contexts */
ethtool_get_max_rss_ctx_channel(struct net_device * dev)624 static u32 ethtool_get_max_rss_ctx_channel(struct net_device *dev)
625 {
626 struct ethtool_rxfh_context *ctx;
627 unsigned long context;
628 u32 max_ring = 0;
629
630 mutex_lock(&dev->ethtool->rss_lock);
631 xa_for_each(&dev->ethtool->rss_ctx, context, ctx)
632 max_ring = max(max_ring, ethtool_get_rss_ctx_max_channel(ctx));
633 mutex_unlock(&dev->ethtool->rss_lock);
634
635 return max_ring;
636 }
637
ethtool_get_max_rxfh_channel(struct net_device * dev)638 static u32 ethtool_get_max_rxfh_channel(struct net_device *dev)
639 {
640 struct ethtool_rxfh_param rxfh = {};
641 u32 dev_size, current_max = 0;
642 int ret;
643
644 /* While we do track whether RSS context has an indirection
645 * table explicitly set by the user, no driver looks at that bit.
646 * Assume drivers won't auto-regenerate the additional tables,
647 * to be safe.
648 */
649 current_max = ethtool_get_max_rss_ctx_channel(dev);
650
651 if (!netif_is_rxfh_configured(dev))
652 return current_max;
653
654 if (!dev->ethtool_ops->get_rxfh_indir_size ||
655 !dev->ethtool_ops->get_rxfh)
656 return current_max;
657 dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev);
658 if (dev_size == 0)
659 return current_max;
660
661 rxfh.indir = kcalloc(dev_size, sizeof(rxfh.indir[0]), GFP_USER);
662 if (!rxfh.indir)
663 return U32_MAX;
664
665 ret = dev->ethtool_ops->get_rxfh(dev, &rxfh);
666 if (ret) {
667 current_max = U32_MAX;
668 goto out_free;
669 }
670
671 while (dev_size--)
672 current_max = max(current_max, rxfh.indir[dev_size]);
673
674 out_free:
675 kfree(rxfh.indir);
676 return current_max;
677 }
678
ethtool_check_max_channel(struct net_device * dev,struct ethtool_channels channels,struct genl_info * info)679 int ethtool_check_max_channel(struct net_device *dev,
680 struct ethtool_channels channels,
681 struct genl_info *info)
682 {
683 u64 max_rxnfc_in_use;
684 u32 max_rxfh_in_use;
685 int max_mp_in_use;
686
687 /* ensure the new Rx count fits within the configured Rx flow
688 * indirection table/rxnfc settings
689 */
690 if (ethtool_get_max_rxnfc_channel(dev, &max_rxnfc_in_use))
691 max_rxnfc_in_use = 0;
692 max_rxfh_in_use = ethtool_get_max_rxfh_channel(dev);
693 if (channels.combined_count + channels.rx_count <= max_rxfh_in_use) {
694 if (info)
695 GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing indirection table (%d)", max_rxfh_in_use);
696 return -EINVAL;
697 }
698 if (channels.combined_count + channels.rx_count <= max_rxnfc_in_use) {
699 if (info)
700 GENL_SET_ERR_MSG(info, "requested channel counts are too low for existing ntuple filter settings");
701 return -EINVAL;
702 }
703
704 max_mp_in_use = dev_get_min_mp_channel_count(dev);
705 if (channels.combined_count + channels.rx_count <= max_mp_in_use) {
706 if (info)
707 GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing memory provider setting (%d)", max_mp_in_use);
708 return -EINVAL;
709 }
710
711 return 0;
712 }
713
ethtool_check_rss_ctx_busy(struct net_device * dev,u32 rss_context)714 int ethtool_check_rss_ctx_busy(struct net_device *dev, u32 rss_context)
715 {
716 const struct ethtool_ops *ops = dev->ethtool_ops;
717 struct ethtool_rxnfc *info;
718 int rc, i, rule_cnt;
719
720 if (!ops->get_rxnfc)
721 return 0;
722
723 rule_cnt = ethtool_get_rxnfc_rule_count(dev);
724 if (!rule_cnt)
725 return 0;
726
727 if (rule_cnt < 0)
728 return -EINVAL;
729
730 info = kvzalloc(struct_size(info, rule_locs, rule_cnt), GFP_KERNEL);
731 if (!info)
732 return -ENOMEM;
733
734 info->cmd = ETHTOOL_GRXCLSRLALL;
735 info->rule_cnt = rule_cnt;
736 rc = ops->get_rxnfc(dev, info, info->rule_locs);
737 if (rc)
738 goto out_free;
739
740 for (i = 0; i < rule_cnt; i++) {
741 struct ethtool_rxnfc rule_info = {
742 .cmd = ETHTOOL_GRXCLSRULE,
743 .fs.location = info->rule_locs[i],
744 };
745
746 rc = ops->get_rxnfc(dev, &rule_info, NULL);
747 if (rc)
748 goto out_free;
749
750 if (rule_info.fs.flow_type & FLOW_RSS &&
751 rule_info.rss_context == rss_context) {
752 rc = -EBUSY;
753 goto out_free;
754 }
755 }
756
757 out_free:
758 kvfree(info);
759 return rc;
760 }
761
ethtool_check_ops(const struct ethtool_ops * ops)762 int ethtool_check_ops(const struct ethtool_ops *ops)
763 {
764 if (WARN_ON(ops->set_coalesce && !ops->supported_coalesce_params))
765 return -EINVAL;
766 if (WARN_ON(ops->rxfh_max_num_contexts == 1))
767 return -EINVAL;
768 /* NOTE: sufficiently insane drivers may swap ethtool_ops at runtime,
769 * the fact that ops are checked at registration time does not
770 * mean the ops attached to a netdev later on are sane.
771 */
772 return 0;
773 }
774
ethtool_ringparam_get_cfg(struct net_device * dev,struct ethtool_ringparam * param,struct kernel_ethtool_ringparam * kparam,struct netlink_ext_ack * extack)775 void ethtool_ringparam_get_cfg(struct net_device *dev,
776 struct ethtool_ringparam *param,
777 struct kernel_ethtool_ringparam *kparam,
778 struct netlink_ext_ack *extack)
779 {
780 memset(param, 0, sizeof(*param));
781 memset(kparam, 0, sizeof(*kparam));
782
783 param->cmd = ETHTOOL_GRINGPARAM;
784 dev->ethtool_ops->get_ringparam(dev, param, kparam, extack);
785
786 /* Driver gives us current state, we want to return current config */
787 kparam->tcp_data_split = dev->cfg->hds_config;
788 kparam->hds_thresh = dev->cfg->hds_thresh;
789 }
790
ethtool_init_tsinfo(struct kernel_ethtool_ts_info * info)791 static void ethtool_init_tsinfo(struct kernel_ethtool_ts_info *info)
792 {
793 memset(info, 0, sizeof(*info));
794 info->cmd = ETHTOOL_GET_TS_INFO;
795 info->phc_index = -1;
796 }
797
ethtool_net_get_ts_info_by_phc(struct net_device * dev,struct kernel_ethtool_ts_info * info,struct hwtstamp_provider_desc * hwprov_desc)798 int ethtool_net_get_ts_info_by_phc(struct net_device *dev,
799 struct kernel_ethtool_ts_info *info,
800 struct hwtstamp_provider_desc *hwprov_desc)
801 {
802 const struct ethtool_ops *ops = dev->ethtool_ops;
803 int err;
804
805 if (!ops->get_ts_info)
806 return -ENODEV;
807
808 /* Does ptp comes from netdev */
809 ethtool_init_tsinfo(info);
810 info->phc_qualifier = hwprov_desc->qualifier;
811 err = ops->get_ts_info(dev, info);
812 if (err)
813 return err;
814
815 if (info->phc_index == hwprov_desc->index &&
816 net_support_hwtstamp_qualifier(dev, hwprov_desc->qualifier))
817 return 0;
818
819 return -ENODEV;
820 }
821
822 struct phy_device *
ethtool_phy_get_ts_info_by_phc(struct net_device * dev,struct kernel_ethtool_ts_info * info,struct hwtstamp_provider_desc * hwprov_desc)823 ethtool_phy_get_ts_info_by_phc(struct net_device *dev,
824 struct kernel_ethtool_ts_info *info,
825 struct hwtstamp_provider_desc *hwprov_desc)
826 {
827 int err;
828
829 /* Only precise qualifier is supported in phydev */
830 if (hwprov_desc->qualifier != HWTSTAMP_PROVIDER_QUALIFIER_PRECISE)
831 return ERR_PTR(-ENODEV);
832
833 /* Look in the phy topology */
834 if (dev->link_topo) {
835 struct phy_device_node *pdn;
836 unsigned long phy_index;
837
838 xa_for_each(&dev->link_topo->phys, phy_index, pdn) {
839 if (!phy_has_tsinfo(pdn->phy))
840 continue;
841
842 ethtool_init_tsinfo(info);
843 err = phy_ts_info(pdn->phy, info);
844 if (err)
845 return ERR_PTR(err);
846
847 if (info->phc_index == hwprov_desc->index)
848 return pdn->phy;
849 }
850 return ERR_PTR(-ENODEV);
851 }
852
853 /* Look on the dev->phydev */
854 if (phy_has_tsinfo(dev->phydev)) {
855 ethtool_init_tsinfo(info);
856 err = phy_ts_info(dev->phydev, info);
857 if (err)
858 return ERR_PTR(err);
859
860 if (info->phc_index == hwprov_desc->index)
861 return dev->phydev;
862 }
863
864 return ERR_PTR(-ENODEV);
865 }
866
ethtool_get_ts_info_by_phc(struct net_device * dev,struct kernel_ethtool_ts_info * info,struct hwtstamp_provider_desc * hwprov_desc)867 int ethtool_get_ts_info_by_phc(struct net_device *dev,
868 struct kernel_ethtool_ts_info *info,
869 struct hwtstamp_provider_desc *hwprov_desc)
870 {
871 int err;
872
873 err = ethtool_net_get_ts_info_by_phc(dev, info, hwprov_desc);
874 if (err == -ENODEV) {
875 struct phy_device *phy;
876
877 phy = ethtool_phy_get_ts_info_by_phc(dev, info, hwprov_desc);
878 if (IS_ERR(phy))
879 err = PTR_ERR(phy);
880 else
881 err = 0;
882 }
883
884 info->so_timestamping |= SOF_TIMESTAMPING_RX_SOFTWARE |
885 SOF_TIMESTAMPING_SOFTWARE;
886
887 return err;
888 }
889
__ethtool_get_ts_info(struct net_device * dev,struct kernel_ethtool_ts_info * info)890 int __ethtool_get_ts_info(struct net_device *dev,
891 struct kernel_ethtool_ts_info *info)
892 {
893 struct hwtstamp_provider *hwprov;
894 int err = 0;
895
896 rcu_read_lock();
897 hwprov = rcu_dereference(dev->hwprov);
898 /* No provider specified, use default behavior */
899 if (!hwprov) {
900 const struct ethtool_ops *ops = dev->ethtool_ops;
901 struct phy_device *phydev = dev->phydev;
902
903 ethtool_init_tsinfo(info);
904 if (phy_is_default_hwtstamp(phydev) &&
905 phy_has_tsinfo(phydev))
906 err = phy_ts_info(phydev, info);
907 else if (ops->get_ts_info)
908 err = ops->get_ts_info(dev, info);
909
910 info->so_timestamping |= SOF_TIMESTAMPING_RX_SOFTWARE |
911 SOF_TIMESTAMPING_SOFTWARE;
912
913 rcu_read_unlock();
914 return err;
915 }
916
917 err = ethtool_get_ts_info_by_phc(dev, info, &hwprov->desc);
918 rcu_read_unlock();
919 return err;
920 }
921
net_support_hwtstamp_qualifier(struct net_device * dev,enum hwtstamp_provider_qualifier qualifier)922 bool net_support_hwtstamp_qualifier(struct net_device *dev,
923 enum hwtstamp_provider_qualifier qualifier)
924 {
925 const struct ethtool_ops *ops = dev->ethtool_ops;
926
927 if (!ops)
928 return false;
929
930 /* Return true with precise qualifier and with NIC without
931 * qualifier description to not break the old behavior.
932 */
933 if (!ops->supported_hwtstamp_qualifiers &&
934 qualifier == HWTSTAMP_PROVIDER_QUALIFIER_PRECISE)
935 return true;
936
937 if (ops->supported_hwtstamp_qualifiers & BIT(qualifier))
938 return true;
939
940 return false;
941 }
942
ethtool_get_phc_vclocks(struct net_device * dev,int ** vclock_index)943 int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index)
944 {
945 struct kernel_ethtool_ts_info info = { };
946 int num = 0;
947
948 if (!__ethtool_get_ts_info(dev, &info))
949 num = ptp_get_vclocks_index(info.phc_index, vclock_index);
950
951 return num;
952 }
953 EXPORT_SYMBOL(ethtool_get_phc_vclocks);
954
ethtool_get_ts_info_by_layer(struct net_device * dev,struct kernel_ethtool_ts_info * info)955 int ethtool_get_ts_info_by_layer(struct net_device *dev, struct kernel_ethtool_ts_info *info)
956 {
957 return __ethtool_get_ts_info(dev, info);
958 }
959 EXPORT_SYMBOL(ethtool_get_ts_info_by_layer);
960
961 const struct ethtool_phy_ops *ethtool_phy_ops;
962
ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops * ops)963 void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops)
964 {
965 ASSERT_RTNL();
966 ethtool_phy_ops = ops;
967 }
968 EXPORT_SYMBOL_GPL(ethtool_set_ethtool_phy_ops);
969
970 void
ethtool_params_from_link_mode(struct ethtool_link_ksettings * link_ksettings,enum ethtool_link_mode_bit_indices link_mode)971 ethtool_params_from_link_mode(struct ethtool_link_ksettings *link_ksettings,
972 enum ethtool_link_mode_bit_indices link_mode)
973 {
974 const struct link_mode_info *link_info;
975
976 if (WARN_ON_ONCE(link_mode >= __ETHTOOL_LINK_MODE_MASK_NBITS))
977 return;
978
979 link_info = &link_mode_params[link_mode];
980 link_ksettings->base.speed = link_info->speed;
981 link_ksettings->lanes = link_info->lanes;
982 link_ksettings->base.duplex = link_info->duplex;
983 }
984 EXPORT_SYMBOL_GPL(ethtool_params_from_link_mode);
985
986 /**
987 * ethtool_forced_speed_maps_init
988 * @maps: Pointer to an array of Ethtool forced speed map
989 * @size: Array size
990 *
991 * Initialize an array of Ethtool forced speed map to Ethtool link modes. This
992 * should be called during driver module init.
993 */
994 void
ethtool_forced_speed_maps_init(struct ethtool_forced_speed_map * maps,u32 size)995 ethtool_forced_speed_maps_init(struct ethtool_forced_speed_map *maps, u32 size)
996 {
997 for (u32 i = 0; i < size; i++) {
998 struct ethtool_forced_speed_map *map = &maps[i];
999
1000 linkmode_set_bit_array(map->cap_arr, map->arr_size, map->caps);
1001 map->cap_arr = NULL;
1002 map->arr_size = 0;
1003 }
1004 }
1005 EXPORT_SYMBOL_GPL(ethtool_forced_speed_maps_init);
1006
ethtool_rxfh_context_lost(struct net_device * dev,u32 context_id)1007 void ethtool_rxfh_context_lost(struct net_device *dev, u32 context_id)
1008 {
1009 struct ethtool_rxfh_context *ctx;
1010
1011 WARN_ONCE(!rtnl_is_locked() &&
1012 !lockdep_is_held_type(&dev->ethtool->rss_lock, -1),
1013 "RSS context lock assertion failed\n");
1014
1015 netdev_err(dev, "device error, RSS context %d lost\n", context_id);
1016 ctx = xa_erase(&dev->ethtool->rss_ctx, context_id);
1017 kfree(ctx);
1018 }
1019 EXPORT_SYMBOL(ethtool_rxfh_context_lost);
1020