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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 "common.h"
12#include "netlink.h"
13#include "../core/dev.h"
14
15
16const 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_GSO_ACCECN_BIT] = "tx-tcp-accecn-segmentation",
40 [NETIF_F_TSO_MANGLEID_BIT] = "tx-tcp-mangleid-segmentation",
41 [NETIF_F_TSO6_BIT] = "tx-tcp6-segmentation",
42 [NETIF_F_FSO_BIT] = "tx-fcoe-segmentation",
43 [NETIF_F_GSO_GRE_BIT] = "tx-gre-segmentation",
44 [NETIF_F_GSO_GRE_CSUM_BIT] = "tx-gre-csum-segmentation",
45 [NETIF_F_GSO_IPXIP4_BIT] = "tx-ipxip4-segmentation",
46 [NETIF_F_GSO_IPXIP6_BIT] = "tx-ipxip6-segmentation",
47 [NETIF_F_GSO_UDP_TUNNEL_BIT] = "tx-udp_tnl-segmentation",
48 [NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT] = "tx-udp_tnl-csum-segmentation",
49 [NETIF_F_GSO_PARTIAL_BIT] = "tx-gso-partial",
50 [NETIF_F_GSO_TUNNEL_REMCSUM_BIT] = "tx-tunnel-remcsum-segmentation",
51 [NETIF_F_GSO_SCTP_BIT] = "tx-sctp-segmentation",
52 [NETIF_F_GSO_ESP_BIT] = "tx-esp-segmentation",
53 [NETIF_F_GSO_UDP_L4_BIT] = "tx-udp-segmentation",
54 [NETIF_F_GSO_FRAGLIST_BIT] = "tx-gso-list",
55
56 [NETIF_F_FCOE_CRC_BIT] = "tx-checksum-fcoe-crc",
57 [NETIF_F_SCTP_CRC_BIT] = "tx-checksum-sctp",
58 [NETIF_F_NTUPLE_BIT] = "rx-ntuple-filter",
59 [NETIF_F_RXHASH_BIT] = "rx-hashing",
60 [NETIF_F_RXCSUM_BIT] = "rx-checksum",
61 [NETIF_F_NOCACHE_COPY_BIT] = "tx-nocache-copy",
62 [NETIF_F_LOOPBACK_BIT] = "loopback",
63 [NETIF_F_RXFCS_BIT] = "rx-fcs",
64 [NETIF_F_RXALL_BIT] = "rx-all",
65 [NETIF_F_HW_L2FW_DOFFLOAD_BIT] = "l2-fwd-offload",
66 [NETIF_F_HW_TC_BIT] = "hw-tc-offload",
67 [NETIF_F_HW_ESP_BIT] = "esp-hw-offload",
68 [NETIF_F_HW_ESP_TX_CSUM_BIT] = "esp-tx-csum-hw-offload",
69 [NETIF_F_RX_UDP_TUNNEL_PORT_BIT] = "rx-udp_tunnel-port-offload",
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
81const char
82rss_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
88const char
89tunable_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
97const char
98phy_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 [ETHTOOL_PHY_SHORT_CABLE_PRESET] = "phy-short-cable-preset",
104 [ETHTOOL_PHY_LPF_BW] = "phy-lpf-bandwidth",
105 [ETHTOOL_PHY_DSP_EQ_INIT_VALUE] = "phy-dsp-eq-init-value",
106};
107
108#define __LINK_MODE_NAME(speed, type, duplex) \
109 #speed "base" #type "/" #duplex
110#define __DEFINE_LINK_MODE_NAME(speed, type, duplex) \
111 [ETHTOOL_LINK_MODE(speed, type, duplex)] = \
112 __LINK_MODE_NAME(speed, type, duplex)
113#define __DEFINE_SPECIAL_MODE_NAME(_mode, _name) \
114 [ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = _name
115
116const char link_mode_names[][ETH_GSTRING_LEN] = {
117 __DEFINE_LINK_MODE_NAME(10, T, Half),
118 __DEFINE_LINK_MODE_NAME(10, T, Full),
119 __DEFINE_LINK_MODE_NAME(100, T, Half),
120 __DEFINE_LINK_MODE_NAME(100, T, Full),
121 __DEFINE_LINK_MODE_NAME(1000, T, Half),
122 __DEFINE_LINK_MODE_NAME(1000, T, Full),
123 __DEFINE_SPECIAL_MODE_NAME(Autoneg, "Autoneg"),
124 __DEFINE_SPECIAL_MODE_NAME(TP, "TP"),
125 __DEFINE_SPECIAL_MODE_NAME(AUI, "AUI"),
126 __DEFINE_SPECIAL_MODE_NAME(MII, "MII"),
127 __DEFINE_SPECIAL_MODE_NAME(FIBRE, "FIBRE"),
128 __DEFINE_SPECIAL_MODE_NAME(BNC, "BNC"),
129 __DEFINE_LINK_MODE_NAME(10000, T, Full),
130 __DEFINE_SPECIAL_MODE_NAME(Pause, "Pause"),
131 __DEFINE_SPECIAL_MODE_NAME(Asym_Pause, "Asym_Pause"),
132 __DEFINE_LINK_MODE_NAME(2500, X, Full),
133 __DEFINE_SPECIAL_MODE_NAME(Backplane, "Backplane"),
134 __DEFINE_LINK_MODE_NAME(1000, KX, Full),
135 __DEFINE_LINK_MODE_NAME(10000, KX4, Full),
136 __DEFINE_LINK_MODE_NAME(10000, KR, Full),
137 __DEFINE_SPECIAL_MODE_NAME(10000baseR_FEC, "10000baseR_FEC"),
138 __DEFINE_LINK_MODE_NAME(20000, MLD2, Full),
139 __DEFINE_LINK_MODE_NAME(20000, KR2, Full),
140 __DEFINE_LINK_MODE_NAME(40000, KR4, Full),
141 __DEFINE_LINK_MODE_NAME(40000, CR4, Full),
142 __DEFINE_LINK_MODE_NAME(40000, SR4, Full),
143 __DEFINE_LINK_MODE_NAME(40000, LR4, Full),
144 __DEFINE_LINK_MODE_NAME(56000, KR4, Full),
145 __DEFINE_LINK_MODE_NAME(56000, CR4, Full),
146 __DEFINE_LINK_MODE_NAME(56000, SR4, Full),
147 __DEFINE_LINK_MODE_NAME(56000, LR4, Full),
148 __DEFINE_LINK_MODE_NAME(25000, CR, Full),
149 __DEFINE_LINK_MODE_NAME(25000, KR, Full),
150 __DEFINE_LINK_MODE_NAME(25000, SR, Full),
151 __DEFINE_LINK_MODE_NAME(50000, CR2, Full),
152 __DEFINE_LINK_MODE_NAME(50000, KR2, Full),
153 __DEFINE_LINK_MODE_NAME(100000, KR4, Full),
154 __DEFINE_LINK_MODE_NAME(100000, SR4, Full),
155 __DEFINE_LINK_MODE_NAME(100000, CR4, Full),
156 __DEFINE_LINK_MODE_NAME(100000, LR4_ER4, Full),
157 __DEFINE_LINK_MODE_NAME(50000, SR2, Full),
158 __DEFINE_LINK_MODE_NAME(1000, X, Full),
159 __DEFINE_LINK_MODE_NAME(10000, CR, Full),
160 __DEFINE_LINK_MODE_NAME(10000, SR, Full),
161 __DEFINE_LINK_MODE_NAME(10000, LR, Full),
162 __DEFINE_LINK_MODE_NAME(10000, LRM, Full),
163 __DEFINE_LINK_MODE_NAME(10000, ER, Full),
164 __DEFINE_LINK_MODE_NAME(2500, T, Full),
165 __DEFINE_LINK_MODE_NAME(5000, T, Full),
166 __DEFINE_SPECIAL_MODE_NAME(FEC_NONE, "None"),
167 __DEFINE_SPECIAL_MODE_NAME(FEC_RS, "RS"),
168 __DEFINE_SPECIAL_MODE_NAME(FEC_BASER, "BASER"),
169 __DEFINE_LINK_MODE_NAME(50000, KR, Full),
170 __DEFINE_LINK_MODE_NAME(50000, SR, Full),
171 __DEFINE_LINK_MODE_NAME(50000, CR, Full),
172 __DEFINE_LINK_MODE_NAME(50000, LR_ER_FR, Full),
173 __DEFINE_LINK_MODE_NAME(50000, DR, Full),
174 __DEFINE_LINK_MODE_NAME(100000, KR2, Full),
175 __DEFINE_LINK_MODE_NAME(100000, SR2, Full),
176 __DEFINE_LINK_MODE_NAME(100000, CR2, Full),
177 __DEFINE_LINK_MODE_NAME(100000, LR2_ER2_FR2, Full),
178 __DEFINE_LINK_MODE_NAME(100000, DR2, Full),
179 __DEFINE_LINK_MODE_NAME(200000, KR4, Full),
180 __DEFINE_LINK_MODE_NAME(200000, SR4, Full),
181 __DEFINE_LINK_MODE_NAME(200000, LR4_ER4_FR4, Full),
182 __DEFINE_LINK_MODE_NAME(200000, DR4, Full),
183 __DEFINE_LINK_MODE_NAME(200000, CR4, Full),
184 __DEFINE_LINK_MODE_NAME(100, T1, Full),
185 __DEFINE_LINK_MODE_NAME(1000, T1, Full),
186 __DEFINE_LINK_MODE_NAME(400000, KR8, Full),
187 __DEFINE_LINK_MODE_NAME(400000, SR8, Full),
188 __DEFINE_LINK_MODE_NAME(400000, LR8_ER8_FR8, Full),
189 __DEFINE_LINK_MODE_NAME(400000, DR8, Full),
190 __DEFINE_LINK_MODE_NAME(400000, CR8, Full),
191 __DEFINE_SPECIAL_MODE_NAME(FEC_LLRS, "LLRS"),
192 __DEFINE_LINK_MODE_NAME(100000, KR, Full),
193 __DEFINE_LINK_MODE_NAME(100000, SR, Full),
194 __DEFINE_LINK_MODE_NAME(100000, LR_ER_FR, Full),
195 __DEFINE_LINK_MODE_NAME(100000, DR, Full),
196 __DEFINE_LINK_MODE_NAME(100000, CR, Full),
197 __DEFINE_LINK_MODE_NAME(200000, KR2, Full),
198 __DEFINE_LINK_MODE_NAME(200000, SR2, Full),
199 __DEFINE_LINK_MODE_NAME(200000, LR2_ER2_FR2, Full),
200 __DEFINE_LINK_MODE_NAME(200000, DR2, Full),
201 __DEFINE_LINK_MODE_NAME(200000, CR2, Full),
202 __DEFINE_LINK_MODE_NAME(400000, KR4, Full),
203 __DEFINE_LINK_MODE_NAME(400000, SR4, Full),
204 __DEFINE_LINK_MODE_NAME(400000, LR4_ER4_FR4, Full),
205 __DEFINE_LINK_MODE_NAME(400000, DR4, Full),
206 __DEFINE_LINK_MODE_NAME(400000, CR4, Full),
207 __DEFINE_LINK_MODE_NAME(100, FX, Half),
208 __DEFINE_LINK_MODE_NAME(100, FX, Full),
209 __DEFINE_LINK_MODE_NAME(10, T1L, Full),
210 __DEFINE_LINK_MODE_NAME(800000, CR8, Full),
211 __DEFINE_LINK_MODE_NAME(800000, KR8, Full),
212 __DEFINE_LINK_MODE_NAME(800000, DR8, Full),
213 __DEFINE_LINK_MODE_NAME(800000, DR8_2, Full),
214 __DEFINE_LINK_MODE_NAME(800000, SR8, Full),
215 __DEFINE_LINK_MODE_NAME(800000, VR8, Full),
216 __DEFINE_LINK_MODE_NAME(10, T1S, Full),
217 __DEFINE_LINK_MODE_NAME(10, T1S, Half),
218 __DEFINE_LINK_MODE_NAME(10, T1S_P2MP, Half),
219 __DEFINE_LINK_MODE_NAME(10, T1BRR, Full),
220 __DEFINE_LINK_MODE_NAME(200000, CR, Full),
221 __DEFINE_LINK_MODE_NAME(200000, KR, Full),
222 __DEFINE_LINK_MODE_NAME(200000, DR, Full),
223 __DEFINE_LINK_MODE_NAME(200000, DR_2, Full),
224 __DEFINE_LINK_MODE_NAME(200000, SR, Full),
225 __DEFINE_LINK_MODE_NAME(200000, VR, Full),
226 __DEFINE_LINK_MODE_NAME(400000, CR2, Full),
227 __DEFINE_LINK_MODE_NAME(400000, KR2, Full),
228 __DEFINE_LINK_MODE_NAME(400000, DR2, Full),
229 __DEFINE_LINK_MODE_NAME(400000, DR2_2, Full),
230 __DEFINE_LINK_MODE_NAME(400000, SR2, Full),
231 __DEFINE_LINK_MODE_NAME(400000, VR2, Full),
232 __DEFINE_LINK_MODE_NAME(800000, CR4, Full),
233 __DEFINE_LINK_MODE_NAME(800000, KR4, Full),
234 __DEFINE_LINK_MODE_NAME(800000, DR4, Full),
235 __DEFINE_LINK_MODE_NAME(800000, DR4_2, Full),
236 __DEFINE_LINK_MODE_NAME(800000, SR4, Full),
237 __DEFINE_LINK_MODE_NAME(800000, VR4, Full),
238 __DEFINE_LINK_MODE_NAME(1600000, CR8, Full),
239 __DEFINE_LINK_MODE_NAME(1600000, KR8, Full),
240 __DEFINE_LINK_MODE_NAME(1600000, DR8, Full),
241 __DEFINE_LINK_MODE_NAME(1600000, DR8_2, Full),
242};
243static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS);
244
245#define __LINK_MODE_LANES_CR 1
246#define __LINK_MODE_LANES_CR2 2
247#define __LINK_MODE_LANES_CR4 4
248#define __LINK_MODE_LANES_CR8 8
249#define __LINK_MODE_LANES_DR 1
250#define __LINK_MODE_LANES_DR_2 1
251#define __LINK_MODE_LANES_DR2 2
252#define __LINK_MODE_LANES_DR2_2 2
253#define __LINK_MODE_LANES_DR4 4
254#define __LINK_MODE_LANES_DR4_2 4
255#define __LINK_MODE_LANES_DR8 8
256#define __LINK_MODE_LANES_KR 1
257#define __LINK_MODE_LANES_KR2 2
258#define __LINK_MODE_LANES_KR4 4
259#define __LINK_MODE_LANES_KR8 8
260#define __LINK_MODE_LANES_SR 1
261#define __LINK_MODE_LANES_SR2 2
262#define __LINK_MODE_LANES_SR4 4
263#define __LINK_MODE_LANES_SR8 8
264#define __LINK_MODE_LANES_ER 1
265#define __LINK_MODE_LANES_KX 1
266#define __LINK_MODE_LANES_KX4 4
267#define __LINK_MODE_LANES_LR 1
268#define __LINK_MODE_LANES_LR4 4
269#define __LINK_MODE_LANES_LR4_ER4 4
270#define __LINK_MODE_LANES_LR_ER_FR 1
271#define __LINK_MODE_LANES_LR2_ER2_FR2 2
272#define __LINK_MODE_LANES_LR4_ER4_FR4 4
273#define __LINK_MODE_LANES_LR8_ER8_FR8 8
274#define __LINK_MODE_LANES_LRM 1
275#define __LINK_MODE_LANES_MLD2 2
276#define __LINK_MODE_LANES_T 1
277#define __LINK_MODE_LANES_T1 1
278#define __LINK_MODE_LANES_X 1
279#define __LINK_MODE_LANES_FX 1
280#define __LINK_MODE_LANES_T1L 1
281#define __LINK_MODE_LANES_T1S 1
282#define __LINK_MODE_LANES_T1S_P2MP 1
283#define __LINK_MODE_LANES_VR 1
284#define __LINK_MODE_LANES_VR2 2
285#define __LINK_MODE_LANES_VR4 4
286#define __LINK_MODE_LANES_VR8 8
287#define __LINK_MODE_LANES_DR8_2 8
288#define __LINK_MODE_LANES_T1BRR 1
289
290#define __DEFINE_LINK_MODE_PARAMS_PAIRS(_speed, _type, _min_pairs, _pairs, _duplex, _medium) \
291 [ETHTOOL_LINK_MODE(_speed, _type, _duplex)] = { \
292 .speed = SPEED_ ## _speed, \
293 .lanes = __LINK_MODE_LANES_ ## _type, \
294 .min_pairs = _min_pairs, \
295 .pairs = _pairs, \
296 .duplex = __DUPLEX_ ## _duplex, \
297 .mediums = BIT(ETHTOOL_LINK_MEDIUM_BASE ## _medium) \
298 }
299
300#define __DEFINE_LINK_MODE_PARAMS(_speed, _type, _duplex, _medium) \
301 [ETHTOOL_LINK_MODE(_speed, _type, _duplex)] = { \
302 .speed = SPEED_ ## _speed, \
303 .lanes = __LINK_MODE_LANES_ ## _type, \
304 .min_pairs = 0, \
305 .pairs = 0, \
306 .duplex = __DUPLEX_ ## _duplex, \
307 .mediums = BIT(ETHTOOL_LINK_MEDIUM_BASE ## _medium) \
308 }
309#define __DEFINE_LINK_MODE_PARAMS_MEDIUMS(_speed, _type, _duplex, _mediums) \
310 [ETHTOOL_LINK_MODE(_speed, _type, _duplex)] = { \
311 .speed = SPEED_ ## _speed, \
312 .lanes = __LINK_MODE_LANES_ ## _type, \
313 .min_pairs = 0, \
314 .pairs = 0, \
315 .duplex = __DUPLEX_ ## _duplex, \
316 .mediums = (_mediums) \
317 }
318#define __MED(_medium) (BIT(ETHTOOL_LINK_MEDIUM_BASE ## _medium))
319#define __DUPLEX_Half DUPLEX_HALF
320#define __DUPLEX_Full DUPLEX_FULL
321#define __DEFINE_SPECIAL_MODE_PARAMS(_mode) \
322 [ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = { \
323 .speed = SPEED_UNKNOWN, \
324 .lanes = 0, \
325 .duplex = DUPLEX_UNKNOWN, \
326 .mediums = BIT(ETHTOOL_LINK_MEDIUM_NONE), \
327 }
328
329const struct link_mode_info link_mode_params[] = {
330 __DEFINE_LINK_MODE_PARAMS_PAIRS(10, T, 2, 4, Half, T),
331 __DEFINE_LINK_MODE_PARAMS_PAIRS(10, T, 2, 4, Full, T),
332 __DEFINE_LINK_MODE_PARAMS_PAIRS(100, T, 2, 4, Half, T),
333 __DEFINE_LINK_MODE_PARAMS_PAIRS(100, T, 2, 4, Full, T),
334 __DEFINE_LINK_MODE_PARAMS_PAIRS(1000, T, 4, 4, Half, T),
335 __DEFINE_LINK_MODE_PARAMS_PAIRS(1000, T, 4, 4, Full, T),
336 __DEFINE_SPECIAL_MODE_PARAMS(Autoneg),
337 __DEFINE_SPECIAL_MODE_PARAMS(TP),
338 __DEFINE_SPECIAL_MODE_PARAMS(AUI),
339 __DEFINE_SPECIAL_MODE_PARAMS(MII),
340 __DEFINE_SPECIAL_MODE_PARAMS(FIBRE),
341 __DEFINE_SPECIAL_MODE_PARAMS(BNC),
342 __DEFINE_LINK_MODE_PARAMS_PAIRS(10000, T, 4, 4, Full, T),
343 __DEFINE_SPECIAL_MODE_PARAMS(Pause),
344 __DEFINE_SPECIAL_MODE_PARAMS(Asym_Pause),
345 __DEFINE_LINK_MODE_PARAMS_MEDIUMS(2500, X, Full,
346 __MED(C) | __MED(S) | __MED(L)),
347 __DEFINE_SPECIAL_MODE_PARAMS(Backplane),
348 __DEFINE_LINK_MODE_PARAMS(1000, KX, Full, K),
349 __DEFINE_LINK_MODE_PARAMS(10000, KX4, Full, K),
350 __DEFINE_LINK_MODE_PARAMS(10000, KR, Full, K),
351 [ETHTOOL_LINK_MODE_10000baseR_FEC_BIT] = {
352 .speed = SPEED_10000,
353 .lanes = 1,
354 .duplex = DUPLEX_FULL,
355 },
356 __DEFINE_LINK_MODE_PARAMS(20000, MLD2, Full, MLD),
357 __DEFINE_LINK_MODE_PARAMS(20000, KR2, Full, K),
358 __DEFINE_LINK_MODE_PARAMS(40000, KR4, Full, K),
359 __DEFINE_LINK_MODE_PARAMS(40000, CR4, Full, C),
360 __DEFINE_LINK_MODE_PARAMS(40000, SR4, Full, S),
361 __DEFINE_LINK_MODE_PARAMS(40000, LR4, Full, L),
362 __DEFINE_LINK_MODE_PARAMS(56000, KR4, Full, K),
363 __DEFINE_LINK_MODE_PARAMS(56000, CR4, Full, C),
364 __DEFINE_LINK_MODE_PARAMS(56000, SR4, Full, S),
365 __DEFINE_LINK_MODE_PARAMS(56000, LR4, Full, L),
366 __DEFINE_LINK_MODE_PARAMS(25000, CR, Full, C),
367 __DEFINE_LINK_MODE_PARAMS(25000, KR, Full, K),
368 __DEFINE_LINK_MODE_PARAMS(25000, SR, Full, S),
369 __DEFINE_LINK_MODE_PARAMS(50000, CR2, Full, C),
370 __DEFINE_LINK_MODE_PARAMS(50000, KR2, Full, K),
371 __DEFINE_LINK_MODE_PARAMS(100000, KR4, Full, K),
372 __DEFINE_LINK_MODE_PARAMS(100000, SR4, Full, S),
373 __DEFINE_LINK_MODE_PARAMS(100000, CR4, Full, C),
374 __DEFINE_LINK_MODE_PARAMS_MEDIUMS(100000, LR4_ER4, Full,
375 __MED(L) | __MED(E)),
376 __DEFINE_LINK_MODE_PARAMS(50000, SR2, Full, S),
377 __DEFINE_LINK_MODE_PARAMS_MEDIUMS(1000, X, Full,
378 __MED(C) | __MED(S) | __MED(L)),
379 __DEFINE_LINK_MODE_PARAMS(10000, CR, Full, C),
380 __DEFINE_LINK_MODE_PARAMS(10000, SR, Full, S),
381 __DEFINE_LINK_MODE_PARAMS(10000, LR, Full, L),
382 __DEFINE_LINK_MODE_PARAMS(10000, LRM, Full, L),
383 __DEFINE_LINK_MODE_PARAMS(10000, ER, Full, E),
384 __DEFINE_LINK_MODE_PARAMS_PAIRS(2500, T, 4, 4, Full, T),
385 __DEFINE_LINK_MODE_PARAMS_PAIRS(5000, T, 4, 4, Full, T),
386 __DEFINE_SPECIAL_MODE_PARAMS(FEC_NONE),
387 __DEFINE_SPECIAL_MODE_PARAMS(FEC_RS),
388 __DEFINE_SPECIAL_MODE_PARAMS(FEC_BASER),
389 __DEFINE_LINK_MODE_PARAMS(50000, KR, Full, K),
390 __DEFINE_LINK_MODE_PARAMS(50000, SR, Full, S),
391 __DEFINE_LINK_MODE_PARAMS(50000, CR, Full, C),
392 __DEFINE_LINK_MODE_PARAMS_MEDIUMS(50000, LR_ER_FR, Full,
393 __MED(L) | __MED(E) | __MED(F)),
394 __DEFINE_LINK_MODE_PARAMS(50000, DR, Full, D),
395 __DEFINE_LINK_MODE_PARAMS(100000, KR2, Full, K),
396 __DEFINE_LINK_MODE_PARAMS(100000, SR2, Full, S),
397 __DEFINE_LINK_MODE_PARAMS(100000, CR2, Full, C),
398 __DEFINE_LINK_MODE_PARAMS_MEDIUMS(100000, LR2_ER2_FR2, Full,
399 __MED(L) | __MED(E) | __MED(F)),
400 __DEFINE_LINK_MODE_PARAMS(100000, DR2, Full, D),
401 __DEFINE_LINK_MODE_PARAMS(200000, KR4, Full, K),
402 __DEFINE_LINK_MODE_PARAMS(200000, SR4, Full, S),
403 __DEFINE_LINK_MODE_PARAMS_MEDIUMS(200000, LR4_ER4_FR4, Full,
404 __MED(L) | __MED(E) | __MED(F)),
405 __DEFINE_LINK_MODE_PARAMS(200000, DR4, Full, D),
406 __DEFINE_LINK_MODE_PARAMS(200000, CR4, Full, C),
407 __DEFINE_LINK_MODE_PARAMS_PAIRS(100, T1, 1, 1, Full, T),
408 __DEFINE_LINK_MODE_PARAMS_PAIRS(1000, T1, 1, 1, Full, T),
409 __DEFINE_LINK_MODE_PARAMS(400000, KR8, Full, K),
410 __DEFINE_LINK_MODE_PARAMS(400000, SR8, Full, S),
411 __DEFINE_LINK_MODE_PARAMS_MEDIUMS(400000, LR8_ER8_FR8, Full,
412 __MED(L) | __MED(E) | __MED(F)),
413 __DEFINE_LINK_MODE_PARAMS(400000, DR8, Full, D),
414 __DEFINE_LINK_MODE_PARAMS(400000, CR8, Full, C),
415 __DEFINE_SPECIAL_MODE_PARAMS(FEC_LLRS),
416 __DEFINE_LINK_MODE_PARAMS(100000, KR, Full, K),
417 __DEFINE_LINK_MODE_PARAMS(100000, SR, Full, S),
418 __DEFINE_LINK_MODE_PARAMS_MEDIUMS(100000, LR_ER_FR, Full,
419 __MED(L) | __MED(E) | __MED(F)),
420 __DEFINE_LINK_MODE_PARAMS(100000, DR, Full, D),
421 __DEFINE_LINK_MODE_PARAMS(100000, CR, Full, C),
422 __DEFINE_LINK_MODE_PARAMS(200000, KR2, Full, K),
423 __DEFINE_LINK_MODE_PARAMS(200000, SR2, Full, S),
424 __DEFINE_LINK_MODE_PARAMS_MEDIUMS(200000, LR2_ER2_FR2, Full,
425 __MED(L) | __MED(E) | __MED(F)),
426 __DEFINE_LINK_MODE_PARAMS(200000, DR2, Full, D),
427 __DEFINE_LINK_MODE_PARAMS(200000, CR2, Full, C),
428 __DEFINE_LINK_MODE_PARAMS(400000, KR4, Full, K),
429 __DEFINE_LINK_MODE_PARAMS(400000, SR4, Full, S),
430 __DEFINE_LINK_MODE_PARAMS_MEDIUMS(400000, LR4_ER4_FR4, Full,
431 __MED(L) | __MED(E) | __MED(F)),
432 __DEFINE_LINK_MODE_PARAMS(400000, DR4, Full, D),
433 __DEFINE_LINK_MODE_PARAMS(400000, CR4, Full, C),
434 __DEFINE_LINK_MODE_PARAMS(100, FX, Half, F),
435 __DEFINE_LINK_MODE_PARAMS(100, FX, Full, F),
436 __DEFINE_LINK_MODE_PARAMS_PAIRS(10, T1L, 1, 1, Full, T),
437 __DEFINE_LINK_MODE_PARAMS(800000, CR8, Full, C),
438 __DEFINE_LINK_MODE_PARAMS(800000, KR8, Full, K),
439 __DEFINE_LINK_MODE_PARAMS(800000, DR8, Full, D),
440 __DEFINE_LINK_MODE_PARAMS(800000, DR8_2, Full, D),
441 __DEFINE_LINK_MODE_PARAMS(800000, SR8, Full, S),
442 __DEFINE_LINK_MODE_PARAMS(800000, VR8, Full, V),
443 __DEFINE_LINK_MODE_PARAMS_PAIRS(10, T1S, 1, 1, Full, T),
444 __DEFINE_LINK_MODE_PARAMS_PAIRS(10, T1S, 1, 1, Half, T),
445 __DEFINE_LINK_MODE_PARAMS_PAIRS(10, T1S_P2MP, 1, 1, Half, T),
446 __DEFINE_LINK_MODE_PARAMS_PAIRS(10, T1BRR, 1, 1, Full, T),
447 __DEFINE_LINK_MODE_PARAMS(200000, CR, Full, C),
448 __DEFINE_LINK_MODE_PARAMS(200000, KR, Full, K),
449 __DEFINE_LINK_MODE_PARAMS(200000, DR, Full, D),
450 __DEFINE_LINK_MODE_PARAMS(200000, DR_2, Full, D),
451 __DEFINE_LINK_MODE_PARAMS(200000, SR, Full, S),
452 __DEFINE_LINK_MODE_PARAMS(200000, VR, Full, V),
453 __DEFINE_LINK_MODE_PARAMS(400000, CR2, Full, C),
454 __DEFINE_LINK_MODE_PARAMS(400000, KR2, Full, K),
455 __DEFINE_LINK_MODE_PARAMS(400000, DR2, Full, D),
456 __DEFINE_LINK_MODE_PARAMS(400000, DR2_2, Full, D),
457 __DEFINE_LINK_MODE_PARAMS(400000, SR2, Full, S),
458 __DEFINE_LINK_MODE_PARAMS(400000, VR2, Full, V),
459 __DEFINE_LINK_MODE_PARAMS(800000, CR4, Full, C),
460 __DEFINE_LINK_MODE_PARAMS(800000, KR4, Full, K),
461 __DEFINE_LINK_MODE_PARAMS(800000, DR4, Full, D),
462 __DEFINE_LINK_MODE_PARAMS(800000, DR4_2, Full, D),
463 __DEFINE_LINK_MODE_PARAMS(800000, SR4, Full, S),
464 __DEFINE_LINK_MODE_PARAMS(800000, VR4, Full, V),
465 __DEFINE_LINK_MODE_PARAMS(1600000, CR8, Full, C),
466 __DEFINE_LINK_MODE_PARAMS(1600000, KR8, Full, K),
467 __DEFINE_LINK_MODE_PARAMS(1600000, DR8, Full, D),
468 __DEFINE_LINK_MODE_PARAMS(1600000, DR8_2, Full, D),
469};
470static_assert(ARRAY_SIZE(link_mode_params) == __ETHTOOL_LINK_MODE_MASK_NBITS);
471EXPORT_SYMBOL_GPL(link_mode_params);
472
473static const char ethtool_link_medium_names[][ETH_GSTRING_LEN] = {
474 [ETHTOOL_LINK_MEDIUM_BASET] = "BaseT",
475 [ETHTOOL_LINK_MEDIUM_BASEK] = "BaseK",
476 [ETHTOOL_LINK_MEDIUM_BASES] = "BaseS",
477 [ETHTOOL_LINK_MEDIUM_BASEC] = "BaseC",
478 [ETHTOOL_LINK_MEDIUM_BASEL] = "BaseL",
479 [ETHTOOL_LINK_MEDIUM_BASED] = "BaseD",
480 [ETHTOOL_LINK_MEDIUM_BASEE] = "BaseE",
481 [ETHTOOL_LINK_MEDIUM_BASEF] = "BaseF",
482 [ETHTOOL_LINK_MEDIUM_BASEV] = "BaseV",
483 [ETHTOOL_LINK_MEDIUM_BASEMLD] = "BaseMLD",
484 [ETHTOOL_LINK_MEDIUM_NONE] = "None",
485};
486static_assert(ARRAY_SIZE(ethtool_link_medium_names) == __ETHTOOL_LINK_MEDIUM_LAST);
487
488const char netif_msg_class_names[][ETH_GSTRING_LEN] = {
489 [NETIF_MSG_DRV_BIT] = "drv",
490 [NETIF_MSG_PROBE_BIT] = "probe",
491 [NETIF_MSG_LINK_BIT] = "link",
492 [NETIF_MSG_TIMER_BIT] = "timer",
493 [NETIF_MSG_IFDOWN_BIT] = "ifdown",
494 [NETIF_MSG_IFUP_BIT] = "ifup",
495 [NETIF_MSG_RX_ERR_BIT] = "rx_err",
496 [NETIF_MSG_TX_ERR_BIT] = "tx_err",
497 [NETIF_MSG_TX_QUEUED_BIT] = "tx_queued",
498 [NETIF_MSG_INTR_BIT] = "intr",
499 [NETIF_MSG_TX_DONE_BIT] = "tx_done",
500 [NETIF_MSG_RX_STATUS_BIT] = "rx_status",
501 [NETIF_MSG_PKTDATA_BIT] = "pktdata",
502 [NETIF_MSG_HW_BIT] = "hw",
503 [NETIF_MSG_WOL_BIT] = "wol",
504};
505static_assert(ARRAY_SIZE(netif_msg_class_names) == NETIF_MSG_CLASS_COUNT);
506
507const char wol_mode_names[][ETH_GSTRING_LEN] = {
508 [const_ilog2(WAKE_PHY)] = "phy",
509 [const_ilog2(WAKE_UCAST)] = "ucast",
510 [const_ilog2(WAKE_MCAST)] = "mcast",
511 [const_ilog2(WAKE_BCAST)] = "bcast",
512 [const_ilog2(WAKE_ARP)] = "arp",
513 [const_ilog2(WAKE_MAGIC)] = "magic",
514 [const_ilog2(WAKE_MAGICSECURE)] = "magicsecure",
515 [const_ilog2(WAKE_FILTER)] = "filter",
516};
517static_assert(ARRAY_SIZE(wol_mode_names) == WOL_MODE_COUNT);
518
519const char sof_timestamping_names[][ETH_GSTRING_LEN] = {
520 [const_ilog2(SOF_TIMESTAMPING_TX_HARDWARE)] = "hardware-transmit",
521 [const_ilog2(SOF_TIMESTAMPING_TX_SOFTWARE)] = "software-transmit",
522 [const_ilog2(SOF_TIMESTAMPING_RX_HARDWARE)] = "hardware-receive",
523 [const_ilog2(SOF_TIMESTAMPING_RX_SOFTWARE)] = "software-receive",
524 [const_ilog2(SOF_TIMESTAMPING_SOFTWARE)] = "software-system-clock",
525 [const_ilog2(SOF_TIMESTAMPING_SYS_HARDWARE)] = "hardware-legacy-clock",
526 [const_ilog2(SOF_TIMESTAMPING_RAW_HARDWARE)] = "hardware-raw-clock",
527 [const_ilog2(SOF_TIMESTAMPING_OPT_ID)] = "option-id",
528 [const_ilog2(SOF_TIMESTAMPING_TX_SCHED)] = "sched-transmit",
529 [const_ilog2(SOF_TIMESTAMPING_TX_ACK)] = "ack-transmit",
530 [const_ilog2(SOF_TIMESTAMPING_OPT_CMSG)] = "option-cmsg",
531 [const_ilog2(SOF_TIMESTAMPING_OPT_TSONLY)] = "option-tsonly",
532 [const_ilog2(SOF_TIMESTAMPING_OPT_STATS)] = "option-stats",
533 [const_ilog2(SOF_TIMESTAMPING_OPT_PKTINFO)] = "option-pktinfo",
534 [const_ilog2(SOF_TIMESTAMPING_OPT_TX_SWHW)] = "option-tx-swhw",
535 [const_ilog2(SOF_TIMESTAMPING_BIND_PHC)] = "bind-phc",
536 [const_ilog2(SOF_TIMESTAMPING_OPT_ID_TCP)] = "option-id-tcp",
537 [const_ilog2(SOF_TIMESTAMPING_OPT_RX_FILTER)] = "option-rx-filter",
538 [const_ilog2(SOF_TIMESTAMPING_TX_COMPLETION)] = "tx-completion",
539};
540static_assert(ARRAY_SIZE(sof_timestamping_names) == __SOF_TIMESTAMPING_CNT);
541
542const char ts_tx_type_names[][ETH_GSTRING_LEN] = {
543 [HWTSTAMP_TX_OFF] = "off",
544 [HWTSTAMP_TX_ON] = "on",
545 [HWTSTAMP_TX_ONESTEP_SYNC] = "onestep-sync",
546 [HWTSTAMP_TX_ONESTEP_P2P] = "onestep-p2p",
547};
548static_assert(ARRAY_SIZE(ts_tx_type_names) == __HWTSTAMP_TX_CNT);
549
550const char ts_rx_filter_names[][ETH_GSTRING_LEN] = {
551 [HWTSTAMP_FILTER_NONE] = "none",
552 [HWTSTAMP_FILTER_ALL] = "all",
553 [HWTSTAMP_FILTER_SOME] = "some",
554 [HWTSTAMP_FILTER_PTP_V1_L4_EVENT] = "ptpv1-l4-event",
555 [HWTSTAMP_FILTER_PTP_V1_L4_SYNC] = "ptpv1-l4-sync",
556 [HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ] = "ptpv1-l4-delay-req",
557 [HWTSTAMP_FILTER_PTP_V2_L4_EVENT] = "ptpv2-l4-event",
558 [HWTSTAMP_FILTER_PTP_V2_L4_SYNC] = "ptpv2-l4-sync",
559 [HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ] = "ptpv2-l4-delay-req",
560 [HWTSTAMP_FILTER_PTP_V2_L2_EVENT] = "ptpv2-l2-event",
561 [HWTSTAMP_FILTER_PTP_V2_L2_SYNC] = "ptpv2-l2-sync",
562 [HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ] = "ptpv2-l2-delay-req",
563 [HWTSTAMP_FILTER_PTP_V2_EVENT] = "ptpv2-event",
564 [HWTSTAMP_FILTER_PTP_V2_SYNC] = "ptpv2-sync",
565 [HWTSTAMP_FILTER_PTP_V2_DELAY_REQ] = "ptpv2-delay-req",
566 [HWTSTAMP_FILTER_NTP_ALL] = "ntp-all",
567};
568static_assert(ARRAY_SIZE(ts_rx_filter_names) == __HWTSTAMP_FILTER_CNT);
569
570const char ts_flags_names[][ETH_GSTRING_LEN] = {
571 [const_ilog2(HWTSTAMP_FLAG_BONDED_PHC_INDEX)] = "bonded-phc-index",
572};
573static_assert(ARRAY_SIZE(ts_flags_names) == __HWTSTAMP_FLAG_CNT);
574
575const char udp_tunnel_type_names[][ETH_GSTRING_LEN] = {
576 [ETHTOOL_UDP_TUNNEL_TYPE_VXLAN] = "vxlan",
577 [ETHTOOL_UDP_TUNNEL_TYPE_GENEVE] = "geneve",
578 [ETHTOOL_UDP_TUNNEL_TYPE_VXLAN_GPE] = "vxlan-gpe",
579};
580static_assert(ARRAY_SIZE(udp_tunnel_type_names) ==
581 __ETHTOOL_UDP_TUNNEL_TYPE_CNT);
582
583/* return false if legacy contained non-0 deprecated fields
584 * maxtxpkt/maxrxpkt. rest of ksettings always updated
585 */
586bool
587convert_legacy_settings_to_link_ksettings(
588 struct ethtool_link_ksettings *link_ksettings,
589 const struct ethtool_cmd *legacy_settings)
590{
591 bool retval = true;
592
593 memset(link_ksettings, 0, sizeof(*link_ksettings));
594
595 /* This is used to tell users that driver is still using these
596 * deprecated legacy fields, and they should not use
597 * %ETHTOOL_GLINKSETTINGS/%ETHTOOL_SLINKSETTINGS
598 */
599 if (legacy_settings->maxtxpkt ||
600 legacy_settings->maxrxpkt)
601 retval = false;
602
603 ethtool_convert_legacy_u32_to_link_mode(
604 link_ksettings->link_modes.supported,
605 legacy_settings->supported);
606 ethtool_convert_legacy_u32_to_link_mode(
607 link_ksettings->link_modes.advertising,
608 legacy_settings->advertising);
609 ethtool_convert_legacy_u32_to_link_mode(
610 link_ksettings->link_modes.lp_advertising,
611 legacy_settings->lp_advertising);
612 link_ksettings->base.speed
613 = ethtool_cmd_speed(legacy_settings);
614 link_ksettings->base.duplex
615 = legacy_settings->duplex;
616 link_ksettings->base.port
617 = legacy_settings->port;
618 link_ksettings->base.phy_address
619 = legacy_settings->phy_address;
620 link_ksettings->base.autoneg
621 = legacy_settings->autoneg;
622 link_ksettings->base.mdio_support
623 = legacy_settings->mdio_support;
624 link_ksettings->base.eth_tp_mdix
625 = legacy_settings->eth_tp_mdix;
626 link_ksettings->base.eth_tp_mdix_ctrl
627 = legacy_settings->eth_tp_mdix_ctrl;
628 return retval;
629}
630
631int __ethtool_get_link(struct net_device *dev)
632{
633 if (!dev->ethtool_ops->get_link)
634 return -EOPNOTSUPP;
635
636 return netif_running(dev) && dev->ethtool_ops->get_link(dev);
637}
638
639int ethtool_get_rx_ring_count(struct net_device *dev)
640{
641 const struct ethtool_ops *ops = dev->ethtool_ops;
642
643 if (!ops->get_rx_ring_count)
644 return -EOPNOTSUPP;
645
646 return ops->get_rx_ring_count(dev);
647}
648
649static int ethtool_get_rxnfc_rule_count(struct net_device *dev)
650{
651 const struct ethtool_ops *ops = dev->ethtool_ops;
652 struct ethtool_rxnfc info = {
653 .cmd = ETHTOOL_GRXCLSRLCNT,
654 };
655 int err;
656
657 err = ops->get_rxnfc(dev, &info, NULL);
658 if (err)
659 return err;
660
661 return info.rule_cnt;
662}
663
664/* Max offset for one RSS context */
665static u32 ethtool_get_rss_ctx_max_channel(struct ethtool_rxfh_context *ctx)
666{
667 u32 max_ring = 0;
668 u32 i, *tbl;
669
670 if (WARN_ON_ONCE(!ctx))
671 return 0;
672 tbl = ethtool_rxfh_context_indir(ctx);
673 for (i = 0; i < ctx->indir_size; i++)
674 max_ring = max(max_ring, tbl[i]);
675 return max_ring;
676}
677
678static int ethtool_get_max_rxnfc_channel(struct net_device *dev, u64 *max)
679{
680 const struct ethtool_ops *ops = dev->ethtool_ops;
681 struct ethtool_rxnfc *info;
682 int err, i, rule_cnt;
683 u64 max_ring = 0;
684
685 if (!ops->get_rxnfc)
686 return -EOPNOTSUPP;
687
688 rule_cnt = ethtool_get_rxnfc_rule_count(dev);
689 if (rule_cnt <= 0)
690 return -EINVAL;
691
692 info = kvzalloc_flex(*info, rule_locs, rule_cnt);
693 if (!info)
694 return -ENOMEM;
695
696 info->cmd = ETHTOOL_GRXCLSRLALL;
697 info->rule_cnt = rule_cnt;
698 err = ops->get_rxnfc(dev, info, info->rule_locs);
699 if (err)
700 goto err_free_info;
701
702 for (i = 0; i < rule_cnt; i++) {
703 struct ethtool_rxnfc rule_info = {
704 .cmd = ETHTOOL_GRXCLSRULE,
705 .fs.location = info->rule_locs[i],
706 };
707
708 err = ops->get_rxnfc(dev, &rule_info, NULL);
709 if (err)
710 goto err_free_info;
711
712 if (rule_info.fs.ring_cookie != RX_CLS_FLOW_DISC &&
713 rule_info.fs.ring_cookie != RX_CLS_FLOW_WAKE &&
714 !ethtool_get_flow_spec_ring_vf(rule_info.fs.ring_cookie)) {
715 u64 ring = rule_info.fs.ring_cookie;
716
717 if (rule_info.flow_type & FLOW_RSS) {
718 struct ethtool_rxfh_context *ctx;
719
720 ctx = xa_load(&dev->ethtool->rss_ctx,
721 rule_info.rss_context);
722 ring += ethtool_get_rss_ctx_max_channel(ctx);
723 }
724 max_ring = max_t(u64, max_ring, ring);
725 }
726 }
727
728 kvfree(info);
729 *max = max_ring;
730 return 0;
731
732err_free_info:
733 kvfree(info);
734 return err;
735}
736
737/* Max offset across all of a device's RSS contexts */
738static u32 ethtool_get_max_rss_ctx_channel(struct net_device *dev)
739{
740 struct ethtool_rxfh_context *ctx;
741 unsigned long context;
742 u32 max_ring = 0;
743
744 mutex_lock(&dev->ethtool->rss_lock);
745 xa_for_each(&dev->ethtool->rss_ctx, context, ctx)
746 max_ring = max(max_ring, ethtool_get_rss_ctx_max_channel(ctx));
747 mutex_unlock(&dev->ethtool->rss_lock);
748
749 return max_ring;
750}
751
752static u32 ethtool_get_max_rxfh_channel(struct net_device *dev)
753{
754 struct ethtool_rxfh_param rxfh = {};
755 u32 dev_size, current_max = 0;
756 int ret;
757
758 /* While we do track whether RSS context has an indirection
759 * table explicitly set by the user, no driver looks at that bit.
760 * Assume drivers won't auto-regenerate the additional tables,
761 * to be safe.
762 */
763 current_max = ethtool_get_max_rss_ctx_channel(dev);
764
765 if (!netif_is_rxfh_configured(dev))
766 return current_max;
767
768 if (!dev->ethtool_ops->get_rxfh_indir_size ||
769 !dev->ethtool_ops->get_rxfh)
770 return current_max;
771 dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev);
772 if (dev_size == 0)
773 return current_max;
774
775 rxfh.indir = kzalloc_objs(rxfh.indir[0], dev_size, GFP_USER);
776 if (!rxfh.indir)
777 return U32_MAX;
778
779 mutex_lock(&dev->ethtool->rss_lock);
780 ret = dev->ethtool_ops->get_rxfh(dev, &rxfh);
781 mutex_unlock(&dev->ethtool->rss_lock);
782 if (ret) {
783 current_max = U32_MAX;
784 goto out_free;
785 }
786
787 while (dev_size--)
788 current_max = max(current_max, rxfh.indir[dev_size]);
789
790out_free:
791 kfree(rxfh.indir);
792 return current_max;
793}
794
795int ethtool_check_max_channel(struct net_device *dev,
796 struct ethtool_channels channels,
797 struct genl_info *info)
798{
799 u64 max_rxnfc_in_use;
800 u32 max_rxfh_in_use;
801 int max_mp_in_use;
802
803 /* ensure the new Rx count fits within the configured Rx flow
804 * indirection table/rxnfc settings
805 */
806 if (ethtool_get_max_rxnfc_channel(dev, &max_rxnfc_in_use))
807 max_rxnfc_in_use = 0;
808 max_rxfh_in_use = ethtool_get_max_rxfh_channel(dev);
809 if (channels.combined_count + channels.rx_count <= max_rxfh_in_use) {
810 if (info)
811 GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing indirection table (%d)", max_rxfh_in_use);
812 return -EINVAL;
813 }
814 if (channels.combined_count + channels.rx_count <= max_rxnfc_in_use) {
815 if (info)
816 GENL_SET_ERR_MSG(info, "requested channel counts are too low for existing ntuple filter settings");
817 return -EINVAL;
818 }
819
820 max_mp_in_use = dev_get_min_mp_channel_count(dev);
821 if (channels.combined_count + channels.rx_count <= max_mp_in_use) {
822 if (info)
823 GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing memory provider setting (%d)", max_mp_in_use);
824 return -EINVAL;
825 }
826
827 return 0;
828}
829
830int ethtool_check_rss_ctx_busy(struct net_device *dev, u32 rss_context)
831{
832 const struct ethtool_ops *ops = dev->ethtool_ops;
833 struct ethtool_rxnfc *info;
834 int rc, i, rule_cnt;
835
836 if (!ops->get_rxnfc)
837 return 0;
838
839 rule_cnt = ethtool_get_rxnfc_rule_count(dev);
840 if (!rule_cnt)
841 return 0;
842
843 if (rule_cnt < 0)
844 return -EINVAL;
845
846 info = kvzalloc_flex(*info, rule_locs, rule_cnt);
847 if (!info)
848 return -ENOMEM;
849
850 info->cmd = ETHTOOL_GRXCLSRLALL;
851 info->rule_cnt = rule_cnt;
852 rc = ops->get_rxnfc(dev, info, info->rule_locs);
853 if (rc)
854 goto out_free;
855
856 for (i = 0; i < rule_cnt; i++) {
857 struct ethtool_rxnfc rule_info = {
858 .cmd = ETHTOOL_GRXCLSRULE,
859 .fs.location = info->rule_locs[i],
860 };
861
862 rc = ops->get_rxnfc(dev, &rule_info, NULL);
863 if (rc)
864 goto out_free;
865
866 if (rule_info.fs.flow_type & FLOW_RSS &&
867 rule_info.rss_context == rss_context) {
868 rc = -EBUSY;
869 goto out_free;
870 }
871 }
872
873out_free:
874 kvfree(info);
875 return rc;
876}
877
878struct ethtool_rxfh_context *
879ethtool_rxfh_ctx_alloc(const struct ethtool_ops *ops,
880 u32 indir_size, u32 key_size)
881{
882 size_t indir_bytes, flex_len, key_off, size;
883 struct ethtool_rxfh_context *ctx;
884 u32 priv_bytes, indir_max;
885 u16 key_max;
886
887 key_max = max(key_size, ops->rxfh_key_space);
888 indir_max = max(indir_size, ops->rxfh_indir_space);
889
890 priv_bytes = ALIGN(ops->rxfh_priv_size, sizeof(u32));
891 indir_bytes = array_size(indir_max, sizeof(u32));
892
893 key_off = size_add(priv_bytes, indir_bytes);
894 flex_len = size_add(key_off, key_max);
895 size = struct_size_t(struct ethtool_rxfh_context, data, flex_len);
896
897 ctx = kzalloc(size, GFP_KERNEL_ACCOUNT);
898 if (!ctx)
899 return NULL;
900
901 ctx->indir_size = indir_size;
902 ctx->key_size = key_size;
903 ctx->key_off = key_off;
904 ctx->priv_size = ops->rxfh_priv_size;
905
906 return ctx;
907}
908
909/* Check if fields configured for flow hash are symmetric - if src is included
910 * so is dst and vice versa.
911 */
912int ethtool_rxfh_config_is_sym(u64 rxfh)
913{
914 bool sym;
915
916 sym = rxfh == (rxfh & (RXH_IP_SRC | RXH_IP_DST |
917 RXH_L4_B_0_1 | RXH_L4_B_2_3));
918 sym &= !!(rxfh & RXH_IP_SRC) == !!(rxfh & RXH_IP_DST);
919 sym &= !!(rxfh & RXH_L4_B_0_1) == !!(rxfh & RXH_L4_B_2_3);
920
921 return sym;
922}
923
924int ethtool_check_ops(const struct ethtool_ops *ops)
925{
926 if (WARN_ON(ops->set_coalesce && !ops->supported_coalesce_params))
927 return -EINVAL;
928 if (WARN_ON(ops->rxfh_max_num_contexts == 1))
929 return -EINVAL;
930 if (WARN_ON(ops->supported_input_xfrm && !ops->get_rxfh_fields))
931 return -EINVAL;
932 if (WARN_ON(ops->supported_input_xfrm &&
933 ops->rxfh_per_ctx_fields != ops->rxfh_per_ctx_key))
934 return -EINVAL;
935
936 /* NOTE: sufficiently insane drivers may swap ethtool_ops at runtime,
937 * the fact that ops are checked at registration time does not
938 * mean the ops attached to a netdev later on are sane.
939 */
940 return 0;
941}
942
943void ethtool_ringparam_get_cfg(struct net_device *dev,
944 struct ethtool_ringparam *param,
945 struct kernel_ethtool_ringparam *kparam,
946 struct netlink_ext_ack *extack)
947{
948 memset(param, 0, sizeof(*param));
949 memset(kparam, 0, sizeof(*kparam));
950
951 param->cmd = ETHTOOL_GRINGPARAM;
952 dev->ethtool_ops->get_ringparam(dev, param, kparam, extack);
953
954 /* Driver gives us current state, we want to return current config */
955 kparam->tcp_data_split = dev->cfg->hds_config;
956 kparam->hds_thresh = dev->cfg->hds_thresh;
957}
958
959static void ethtool_init_tsinfo(struct kernel_ethtool_ts_info *info)
960{
961 memset(info, 0, sizeof(*info));
962 info->cmd = ETHTOOL_GET_TS_INFO;
963 info->phc_index = -1;
964}
965
966int ethtool_net_get_ts_info_by_phc(struct net_device *dev,
967 struct kernel_ethtool_ts_info *info,
968 struct hwtstamp_provider_desc *hwprov_desc)
969{
970 const struct ethtool_ops *ops = dev->ethtool_ops;
971 int err;
972
973 if (!ops->get_ts_info)
974 return -EOPNOTSUPP;
975
976 /* Does ptp comes from netdev */
977 ethtool_init_tsinfo(info);
978 info->phc_qualifier = hwprov_desc->qualifier;
979 err = ops->get_ts_info(dev, info);
980 if (err)
981 return err;
982
983 if (info->phc_index == hwprov_desc->index &&
984 net_support_hwtstamp_qualifier(dev, hwprov_desc->qualifier))
985 return 0;
986
987 return -ENODEV;
988}
989
990struct phy_device *
991ethtool_phy_get_ts_info_by_phc(struct net_device *dev,
992 struct kernel_ethtool_ts_info *info,
993 struct hwtstamp_provider_desc *hwprov_desc)
994{
995 int err;
996
997 /* Only precise qualifier is supported in phydev */
998 if (hwprov_desc->qualifier != HWTSTAMP_PROVIDER_QUALIFIER_PRECISE)
999 return ERR_PTR(-ENODEV);
1000
1001 /* Look in the phy topology */
1002 if (dev->link_topo) {
1003 struct phy_device_node *pdn;
1004 unsigned long phy_index;
1005
1006 xa_for_each(&dev->link_topo->phys, phy_index, pdn) {
1007 if (!phy_has_tsinfo(pdn->phy))
1008 continue;
1009
1010 ethtool_init_tsinfo(info);
1011 err = phy_ts_info(pdn->phy, info);
1012 if (err)
1013 return ERR_PTR(err);
1014
1015 if (info->phc_index == hwprov_desc->index)
1016 return pdn->phy;
1017 }
1018 return ERR_PTR(-ENODEV);
1019 }
1020
1021 /* Look on the dev->phydev */
1022 if (phy_has_tsinfo(dev->phydev)) {
1023 ethtool_init_tsinfo(info);
1024 err = phy_ts_info(dev->phydev, info);
1025 if (err)
1026 return ERR_PTR(err);
1027
1028 if (info->phc_index == hwprov_desc->index)
1029 return dev->phydev;
1030 }
1031
1032 return ERR_PTR(-ENODEV);
1033}
1034
1035int ethtool_get_ts_info_by_phc(struct net_device *dev,
1036 struct kernel_ethtool_ts_info *info,
1037 struct hwtstamp_provider_desc *hwprov_desc)
1038{
1039 int err;
1040
1041 err = ethtool_net_get_ts_info_by_phc(dev, info, hwprov_desc);
1042 if (err == -ENODEV || err == -EOPNOTSUPP) {
1043 struct phy_device *phy;
1044
1045 phy = ethtool_phy_get_ts_info_by_phc(dev, info, hwprov_desc);
1046 if (IS_ERR(phy))
1047 return PTR_ERR(phy);
1048
1049 /* Report the phc source only if we have a real
1050 * phc source with an index.
1051 */
1052 if (info->phc_index >= 0) {
1053 info->phc_source = HWTSTAMP_SOURCE_PHYLIB;
1054 info->phc_phyindex = phy->phyindex;
1055 }
1056 err = 0;
1057 } else if (!err && info->phc_index >= 0) {
1058 info->phc_source = HWTSTAMP_SOURCE_NETDEV;
1059 }
1060
1061 info->so_timestamping |= SOF_TIMESTAMPING_RX_SOFTWARE |
1062 SOF_TIMESTAMPING_SOFTWARE;
1063
1064 return err;
1065}
1066
1067int __ethtool_get_ts_info(struct net_device *dev,
1068 struct kernel_ethtool_ts_info *info)
1069{
1070 struct hwtstamp_provider *hwprov;
1071 int err = 0;
1072
1073 rcu_read_lock();
1074 hwprov = rcu_dereference(dev->hwprov);
1075 /* No provider specified, use default behavior */
1076 if (!hwprov) {
1077 const struct ethtool_ops *ops = dev->ethtool_ops;
1078 struct phy_device *phydev = dev->phydev;
1079
1080 ethtool_init_tsinfo(info);
1081 if (phy_is_default_hwtstamp(phydev) &&
1082 phy_has_tsinfo(phydev)) {
1083 err = phy_ts_info(phydev, info);
1084 /* Report the phc source only if we have a real
1085 * phc source with an index.
1086 */
1087 if (!err && info->phc_index >= 0) {
1088 info->phc_source = HWTSTAMP_SOURCE_PHYLIB;
1089 info->phc_phyindex = phydev->phyindex;
1090 }
1091 } else if (ops->get_ts_info) {
1092 err = ops->get_ts_info(dev, info);
1093 if (!err && info->phc_index >= 0)
1094 info->phc_source = HWTSTAMP_SOURCE_NETDEV;
1095 }
1096
1097 info->so_timestamping |= SOF_TIMESTAMPING_RX_SOFTWARE |
1098 SOF_TIMESTAMPING_SOFTWARE;
1099
1100 rcu_read_unlock();
1101 return err;
1102 }
1103
1104 err = ethtool_get_ts_info_by_phc(dev, info, &hwprov->desc);
1105 rcu_read_unlock();
1106 return err;
1107}
1108
1109bool net_support_hwtstamp_qualifier(struct net_device *dev,
1110 enum hwtstamp_provider_qualifier qualifier)
1111{
1112 const struct ethtool_ops *ops = dev->ethtool_ops;
1113
1114 if (!ops)
1115 return false;
1116
1117 /* Return true with precise qualifier and with NIC without
1118 * qualifier description to not break the old behavior.
1119 */
1120 if (!ops->supported_hwtstamp_qualifiers &&
1121 qualifier == HWTSTAMP_PROVIDER_QUALIFIER_PRECISE)
1122 return true;
1123
1124 if (ops->supported_hwtstamp_qualifiers & BIT(qualifier))
1125 return true;
1126
1127 return false;
1128}
1129
1130int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index)
1131{
1132 struct kernel_ethtool_ts_info info = { };
1133 int num = 0;
1134
1135 if (!__ethtool_get_ts_info(dev, &info))
1136 num = ptp_get_vclocks_index(info.phc_index, vclock_index);
1137
1138 return num;
1139}
1140EXPORT_SYMBOL(ethtool_get_phc_vclocks);
1141
1142int ethtool_get_ts_info_by_layer(struct net_device *dev, struct kernel_ethtool_ts_info *info)
1143{
1144 return __ethtool_get_ts_info(dev, info);
1145}
1146EXPORT_SYMBOL(ethtool_get_ts_info_by_layer);
1147
1148const struct ethtool_phy_ops *ethtool_phy_ops;
1149
1150void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops)
1151{
1152 ASSERT_RTNL();
1153 ethtool_phy_ops = ops;
1154}
1155EXPORT_SYMBOL_GPL(ethtool_set_ethtool_phy_ops);
1156
1157void
1158ethtool_params_from_link_mode(struct ethtool_link_ksettings *link_ksettings,
1159 enum ethtool_link_mode_bit_indices link_mode)
1160{
1161 const struct link_mode_info *link_info;
1162
1163 if (WARN_ON_ONCE(link_mode >= __ETHTOOL_LINK_MODE_MASK_NBITS))
1164 return;
1165
1166 link_info = &link_mode_params[link_mode];
1167 link_ksettings->base.speed = link_info->speed;
1168 link_ksettings->lanes = link_info->lanes;
1169 link_ksettings->base.duplex = link_info->duplex;
1170}
1171EXPORT_SYMBOL_GPL(ethtool_params_from_link_mode);
1172
1173/**
1174 * ethtool_forced_speed_maps_init
1175 * @maps: Pointer to an array of Ethtool forced speed map
1176 * @size: Array size
1177 *
1178 * Initialize an array of Ethtool forced speed map to Ethtool link modes. This
1179 * should be called during driver module init.
1180 */
1181void
1182ethtool_forced_speed_maps_init(struct ethtool_forced_speed_map *maps, u32 size)
1183{
1184 for (u32 i = 0; i < size; i++) {
1185 struct ethtool_forced_speed_map *map = &maps[i];
1186
1187 linkmode_set_bit_array(map->cap_arr, map->arr_size, map->caps);
1188 map->cap_arr = NULL;
1189 map->arr_size = 0;
1190 }
1191}
1192EXPORT_SYMBOL_GPL(ethtool_forced_speed_maps_init);
1193
1194void ethtool_rxfh_context_lost(struct net_device *dev, u32 context_id)
1195{
1196 struct ethtool_rxfh_context *ctx;
1197
1198 WARN_ONCE(!rtnl_is_locked() &&
1199 !lockdep_is_held_type(&dev->ethtool->rss_lock, -1),
1200 "RSS context lock assertion failed\n");
1201
1202 netdev_err(dev, "device error, RSS context %d lost\n", context_id);
1203 ctx = xa_erase(&dev->ethtool->rss_ctx, context_id);
1204 kfree(ctx);
1205 ethtool_rss_notify(dev, ETHTOOL_MSG_RSS_DELETE_NTF, context_id);
1206}
1207EXPORT_SYMBOL(ethtool_rxfh_context_lost);
1208
1209bool netif_is_rxfh_configured(const struct net_device *dev)
1210{
1211 return dev->ethtool->rss_indir_user_size;
1212}
1213EXPORT_SYMBOL(netif_is_rxfh_configured);
1214
1215/**
1216 * ethtool_rxfh_indir_lost - Notify core that the RSS indirection table was lost
1217 * @dev: network device
1218 *
1219 * Drivers should call this when the device can no longer maintain the
1220 * user-configured indirection table, typically after a HW fault recovery
1221 * that reduced the maximum queue count. Marks the default RSS context
1222 * indirection table as unconfigured and sends an %ETHTOOL_MSG_RSS_NTF
1223 * notification.
1224 */
1225void ethtool_rxfh_indir_lost(struct net_device *dev)
1226{
1227 WARN_ONCE(!rtnl_is_locked() &&
1228 !lockdep_is_held_type(&dev->ethtool->rss_lock, -1),
1229 "RSS context lock assertion failed\n");
1230
1231 netdev_err(dev, "device error, RSS indirection table lost\n");
1232 dev->ethtool->rss_indir_user_size = 0;
1233 ethtool_rss_notify(dev, ETHTOOL_MSG_RSS_NTF, 0);
1234}
1235EXPORT_SYMBOL(ethtool_rxfh_indir_lost);
1236
1237static bool ethtool_rxfh_is_periodic(const u32 *tbl, u32 old_size, u32 new_size)
1238{
1239 u32 i;
1240
1241 for (i = new_size; i < old_size; i++)
1242 if (tbl[i] != tbl[i % new_size])
1243 return false;
1244 return true;
1245}
1246
1247static bool ethtool_rxfh_can_resize(const u32 *tbl, u32 old_size, u32 new_size,
1248 u32 user_size)
1249{
1250 if (new_size == old_size)
1251 return true;
1252
1253 if (!user_size)
1254 return true;
1255
1256 if (new_size < old_size) {
1257 if (new_size < user_size)
1258 return false;
1259 if (old_size % new_size)
1260 return false;
1261 if (!ethtool_rxfh_is_periodic(tbl, old_size, new_size))
1262 return false;
1263 return true;
1264 }
1265
1266 if (new_size % old_size)
1267 return false;
1268 return true;
1269}
1270
1271/* Resize without validation; caller must have called can_resize first */
1272static void ethtool_rxfh_resize(u32 *tbl, u32 old_size, u32 new_size)
1273{
1274 u32 i;
1275
1276 /* Grow: replicate existing pattern; shrink is a no-op on the data */
1277 for (i = old_size; i < new_size; i++)
1278 tbl[i] = tbl[i % old_size];
1279}
1280
1281/**
1282 * ethtool_rxfh_indir_can_resize - Check if context 0 indir table can resize
1283 * @dev: network device
1284 * @tbl: indirection table
1285 * @old_size: current number of entries in the table
1286 * @new_size: desired number of entries
1287 *
1288 * Validate that @tbl can be resized from @old_size to @new_size without
1289 * data loss. Uses the user_size floor from context 0. When user_size is
1290 * zero the table is not user-configured and resize always succeeds.
1291 * Read-only; does not modify the table.
1292 *
1293 * Return: true if resize is possible, false otherwise.
1294 */
1295bool ethtool_rxfh_indir_can_resize(struct net_device *dev, const u32 *tbl,
1296 u32 old_size, u32 new_size)
1297{
1298 return ethtool_rxfh_can_resize(tbl, old_size, new_size,
1299 dev->ethtool->rss_indir_user_size);
1300}
1301EXPORT_SYMBOL(ethtool_rxfh_indir_can_resize);
1302
1303/**
1304 * ethtool_rxfh_indir_resize - Fold or unfold context 0 indirection table
1305 * @dev: network device
1306 * @tbl: indirection table (must have room for max(old_size, new_size) entries)
1307 * @old_size: current number of entries in the table
1308 * @new_size: desired number of entries
1309 *
1310 * Resize the default RSS context indirection table in place. Caller
1311 * must have validated with ethtool_rxfh_indir_can_resize() first.
1312 */
1313void ethtool_rxfh_indir_resize(struct net_device *dev, u32 *tbl,
1314 u32 old_size, u32 new_size)
1315{
1316 if (!dev->ethtool->rss_indir_user_size)
1317 return;
1318
1319 ethtool_rxfh_resize(tbl, old_size, new_size);
1320}
1321EXPORT_SYMBOL(ethtool_rxfh_indir_resize);
1322
1323/**
1324 * ethtool_rxfh_ctxs_can_resize - Validate resize for all RSS contexts
1325 * @dev: network device
1326 * @new_indir_size: new indirection table size
1327 *
1328 * Validate that the indirection tables of all non-default RSS contexts
1329 * can be resized to @new_indir_size. Read-only; does not modify any
1330 * context. Intended to be paired with ethtool_rxfh_ctxs_resize().
1331 *
1332 * Return: 0 if all contexts can be resized, negative errno on failure.
1333 */
1334int ethtool_rxfh_ctxs_can_resize(struct net_device *dev, u32 new_indir_size)
1335{
1336 struct ethtool_rxfh_context *ctx;
1337 unsigned long context;
1338 int ret = 0;
1339
1340 if (!dev->ethtool_ops->rxfh_indir_space ||
1341 new_indir_size > dev->ethtool_ops->rxfh_indir_space)
1342 return -EINVAL;
1343
1344 mutex_lock(&dev->ethtool->rss_lock);
1345 xa_for_each(&dev->ethtool->rss_ctx, context, ctx) {
1346 u32 *indir = ethtool_rxfh_context_indir(ctx);
1347
1348 if (!ethtool_rxfh_can_resize(indir, ctx->indir_size,
1349 new_indir_size,
1350 ctx->indir_user_size)) {
1351 ret = -EINVAL;
1352 goto unlock;
1353 }
1354 }
1355unlock:
1356 mutex_unlock(&dev->ethtool->rss_lock);
1357 return ret;
1358}
1359EXPORT_SYMBOL(ethtool_rxfh_ctxs_can_resize);
1360
1361/**
1362 * ethtool_rxfh_ctxs_resize - Resize all RSS context indirection tables
1363 * @dev: network device
1364 * @new_indir_size: new indirection table size
1365 *
1366 * Resize the indirection table of every non-default RSS context to
1367 * @new_indir_size. Caller must have validated with
1368 * ethtool_rxfh_ctxs_can_resize() first. An %ETHTOOL_MSG_RSS_NTF is
1369 * sent for each resized context.
1370 *
1371 * Notifications are sent outside the RSS lock to avoid holding the
1372 * mutex during notification delivery.
1373 */
1374void ethtool_rxfh_ctxs_resize(struct net_device *dev, u32 new_indir_size)
1375{
1376 struct ethtool_rxfh_context *ctx;
1377 unsigned long context;
1378
1379 mutex_lock(&dev->ethtool->rss_lock);
1380 xa_for_each(&dev->ethtool->rss_ctx, context, ctx) {
1381 ethtool_rxfh_resize(ethtool_rxfh_context_indir(ctx),
1382 ctx->indir_size, new_indir_size);
1383 ctx->indir_size = new_indir_size;
1384 }
1385 mutex_unlock(&dev->ethtool->rss_lock);
1386
1387 xa_for_each(&dev->ethtool->rss_ctx, context, ctx)
1388 ethtool_rss_notify(dev, ETHTOOL_MSG_RSS_NTF, context);
1389}
1390EXPORT_SYMBOL(ethtool_rxfh_ctxs_resize);
1391
1392enum ethtool_link_medium ethtool_str_to_medium(const char *str)
1393{
1394 int i;
1395
1396 for (i = 0; i < __ETHTOOL_LINK_MEDIUM_LAST; i++)
1397 if (!strcmp(ethtool_link_medium_names[i], str))
1398 return i;
1399
1400 return ETHTOOL_LINK_MEDIUM_NONE;
1401}
1402EXPORT_SYMBOL_GPL(ethtool_str_to_medium);