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net: introduce the MACSEC netdev feature
[linux-block.git] / net / ethtool / common.c
CommitLineData
d44e1310
MK		 1// SPDX-License-Identifier: GPL-2.0-only
2
3#include "common.h"
4
5const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] = {
6 [NETIF_F_SG_BIT] = "tx-scatter-gather",
7 [NETIF_F_IP_CSUM_BIT] = "tx-checksum-ipv4",
8 [NETIF_F_HW_CSUM_BIT] = "tx-checksum-ip-generic",
9 [NETIF_F_IPV6_CSUM_BIT] = "tx-checksum-ipv6",
10 [NETIF_F_HIGHDMA_BIT] = "highdma",
11 [NETIF_F_FRAGLIST_BIT] = "tx-scatter-gather-fraglist",
12 [NETIF_F_HW_VLAN_CTAG_TX_BIT] = "tx-vlan-hw-insert",
13
14 [NETIF_F_HW_VLAN_CTAG_RX_BIT] = "rx-vlan-hw-parse",
15 [NETIF_F_HW_VLAN_CTAG_FILTER_BIT] = "rx-vlan-filter",
16 [NETIF_F_HW_VLAN_STAG_TX_BIT] = "tx-vlan-stag-hw-insert",
17 [NETIF_F_HW_VLAN_STAG_RX_BIT] = "rx-vlan-stag-hw-parse",
18 [NETIF_F_HW_VLAN_STAG_FILTER_BIT] = "rx-vlan-stag-filter",
19 [NETIF_F_VLAN_CHALLENGED_BIT] = "vlan-challenged",
20 [NETIF_F_GSO_BIT] = "tx-generic-segmentation",
21 [NETIF_F_LLTX_BIT] = "tx-lockless",
22 [NETIF_F_NETNS_LOCAL_BIT] = "netns-local",
23 [NETIF_F_GRO_BIT] = "rx-gro",
24 [NETIF_F_GRO_HW_BIT] = "rx-gro-hw",
25 [NETIF_F_LRO_BIT] = "rx-lro",
26
27 [NETIF_F_TSO_BIT] = "tx-tcp-segmentation",
28 [NETIF_F_GSO_ROBUST_BIT] = "tx-gso-robust",
29 [NETIF_F_TSO_ECN_BIT] = "tx-tcp-ecn-segmentation",
30 [NETIF_F_TSO_MANGLEID_BIT] = "tx-tcp-mangleid-segmentation",
31 [NETIF_F_TSO6_BIT] = "tx-tcp6-segmentation",
32 [NETIF_F_FSO_BIT] = "tx-fcoe-segmentation",
33 [NETIF_F_GSO_GRE_BIT] = "tx-gre-segmentation",
34 [NETIF_F_GSO_GRE_CSUM_BIT] = "tx-gre-csum-segmentation",
35 [NETIF_F_GSO_IPXIP4_BIT] = "tx-ipxip4-segmentation",
36 [NETIF_F_GSO_IPXIP6_BIT] = "tx-ipxip6-segmentation",
37 [NETIF_F_GSO_UDP_TUNNEL_BIT] = "tx-udp_tnl-segmentation",
38 [NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT] = "tx-udp_tnl-csum-segmentation",
39 [NETIF_F_GSO_PARTIAL_BIT] = "tx-gso-partial",
40 [NETIF_F_GSO_SCTP_BIT] = "tx-sctp-segmentation",
41 [NETIF_F_GSO_ESP_BIT] = "tx-esp-segmentation",
42 [NETIF_F_GSO_UDP_L4_BIT] = "tx-udp-segmentation",
43
44 [NETIF_F_FCOE_CRC_BIT] = "tx-checksum-fcoe-crc",
45 [NETIF_F_SCTP_CRC_BIT] = "tx-checksum-sctp",
46 [NETIF_F_FCOE_MTU_BIT] = "fcoe-mtu",
47 [NETIF_F_NTUPLE_BIT] = "rx-ntuple-filter",
48 [NETIF_F_RXHASH_BIT] = "rx-hashing",
49 [NETIF_F_RXCSUM_BIT] = "rx-checksum",
50 [NETIF_F_NOCACHE_COPY_BIT] = "tx-nocache-copy",
51 [NETIF_F_LOOPBACK_BIT] = "loopback",
52 [NETIF_F_RXFCS_BIT] = "rx-fcs",
53 [NETIF_F_RXALL_BIT] = "rx-all",
54 [NETIF_F_HW_L2FW_DOFFLOAD_BIT] = "l2-fwd-offload",
55 [NETIF_F_HW_TC_BIT] = "hw-tc-offload",
56 [NETIF_F_HW_ESP_BIT] = "esp-hw-offload",
57 [NETIF_F_HW_ESP_TX_CSUM_BIT] = "esp-tx-csum-hw-offload",
58 [NETIF_F_RX_UDP_TUNNEL_PORT_BIT] = "rx-udp_tunnel-port-offload",
59 [NETIF_F_HW_TLS_RECORD_BIT] = "tls-hw-record",
60 [NETIF_F_HW_TLS_TX_BIT] = "tls-hw-tx-offload",
61 [NETIF_F_HW_TLS_RX_BIT] = "tls-hw-rx-offload",
3b335832 62 [NETIF_F_GRO_FRAGLIST_BIT] = "rx-gro-list",
5908220b 63 [NETIF_F_HW_MACSEC_BIT] = "macsec-hw-offload",
d44e1310
MK		 64};
65
66const char
67rss_hash_func_strings[ETH_RSS_HASH_FUNCS_COUNT][ETH_GSTRING_LEN] = {
68 [ETH_RSS_HASH_TOP_BIT] = "toeplitz",
69 [ETH_RSS_HASH_XOR_BIT] = "xor",
70 [ETH_RSS_HASH_CRC32_BIT] = "crc32",
71};
72
73const char
74tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
75 [ETHTOOL_ID_UNSPEC] = "Unspec",
76 [ETHTOOL_RX_COPYBREAK] = "rx-copybreak",
77 [ETHTOOL_TX_COPYBREAK] = "tx-copybreak",
78 [ETHTOOL_PFC_PREVENTION_TOUT] = "pfc-prevention-tout",
79};
80
81const char
82phy_tunable_strings[__ETHTOOL_PHY_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
83 [ETHTOOL_ID_UNSPEC] = "Unspec",
84 [ETHTOOL_PHY_DOWNSHIFT] = "phy-downshift",
85 [ETHTOOL_PHY_FAST_LINK_DOWN] = "phy-fast-link-down",
86 [ETHTOOL_PHY_EDPD] = "phy-energy-detect-power-down",
87};
428c122f
MK		 88
89#define __LINK_MODE_NAME(speed, type, duplex) \
90 #speed "base" #type "/" #duplex
91#define __DEFINE_LINK_MODE_NAME(speed, type, duplex) \
92 [ETHTOOL_LINK_MODE(speed, type, duplex)] = \
93 __LINK_MODE_NAME(speed, type, duplex)
94#define __DEFINE_SPECIAL_MODE_NAME(_mode, _name) \
95 [ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = _name
96
97const char link_mode_names[][ETH_GSTRING_LEN] = {
98 __DEFINE_LINK_MODE_NAME(10, T, Half),
99 __DEFINE_LINK_MODE_NAME(10, T, Full),
100 __DEFINE_LINK_MODE_NAME(100, T, Half),
101 __DEFINE_LINK_MODE_NAME(100, T, Full),
102 __DEFINE_LINK_MODE_NAME(1000, T, Half),
103 __DEFINE_LINK_MODE_NAME(1000, T, Full),
104 __DEFINE_SPECIAL_MODE_NAME(Autoneg, "Autoneg"),
105 __DEFINE_SPECIAL_MODE_NAME(TP, "TP"),
106 __DEFINE_SPECIAL_MODE_NAME(AUI, "AUI"),
107 __DEFINE_SPECIAL_MODE_NAME(MII, "MII"),
108 __DEFINE_SPECIAL_MODE_NAME(FIBRE, "FIBRE"),
109 __DEFINE_SPECIAL_MODE_NAME(BNC, "BNC"),
110 __DEFINE_LINK_MODE_NAME(10000, T, Full),
111 __DEFINE_SPECIAL_MODE_NAME(Pause, "Pause"),
112 __DEFINE_SPECIAL_MODE_NAME(Asym_Pause, "Asym_Pause"),
113 __DEFINE_LINK_MODE_NAME(2500, X, Full),
114 __DEFINE_SPECIAL_MODE_NAME(Backplane, "Backplane"),
115 __DEFINE_LINK_MODE_NAME(1000, KX, Full),
116 __DEFINE_LINK_MODE_NAME(10000, KX4, Full),
117 __DEFINE_LINK_MODE_NAME(10000, KR, Full),
118 __DEFINE_SPECIAL_MODE_NAME(10000baseR_FEC, "10000baseR_FEC"),
119 __DEFINE_LINK_MODE_NAME(20000, MLD2, Full),
120 __DEFINE_LINK_MODE_NAME(20000, KR2, Full),
121 __DEFINE_LINK_MODE_NAME(40000, KR4, Full),
122 __DEFINE_LINK_MODE_NAME(40000, CR4, Full),
123 __DEFINE_LINK_MODE_NAME(40000, SR4, Full),
124 __DEFINE_LINK_MODE_NAME(40000, LR4, Full),
125 __DEFINE_LINK_MODE_NAME(56000, KR4, Full),
126 __DEFINE_LINK_MODE_NAME(56000, CR4, Full),
127 __DEFINE_LINK_MODE_NAME(56000, SR4, Full),
128 __DEFINE_LINK_MODE_NAME(56000, LR4, Full),
129 __DEFINE_LINK_MODE_NAME(25000, CR, Full),
130 __DEFINE_LINK_MODE_NAME(25000, KR, Full),
131 __DEFINE_LINK_MODE_NAME(25000, SR, Full),
132 __DEFINE_LINK_MODE_NAME(50000, CR2, Full),
133 __DEFINE_LINK_MODE_NAME(50000, KR2, Full),
134 __DEFINE_LINK_MODE_NAME(100000, KR4, Full),
135 __DEFINE_LINK_MODE_NAME(100000, SR4, Full),
136 __DEFINE_LINK_MODE_NAME(100000, CR4, Full),
137 __DEFINE_LINK_MODE_NAME(100000, LR4_ER4, Full),
138 __DEFINE_LINK_MODE_NAME(50000, SR2, Full),
139 __DEFINE_LINK_MODE_NAME(1000, X, Full),
140 __DEFINE_LINK_MODE_NAME(10000, CR, Full),
141 __DEFINE_LINK_MODE_NAME(10000, SR, Full),
142 __DEFINE_LINK_MODE_NAME(10000, LR, Full),
143 __DEFINE_LINK_MODE_NAME(10000, LRM, Full),
144 __DEFINE_LINK_MODE_NAME(10000, ER, Full),
145 __DEFINE_LINK_MODE_NAME(2500, T, Full),
146 __DEFINE_LINK_MODE_NAME(5000, T, Full),
147 __DEFINE_SPECIAL_MODE_NAME(FEC_NONE, "None"),
148 __DEFINE_SPECIAL_MODE_NAME(FEC_RS, "RS"),
149 __DEFINE_SPECIAL_MODE_NAME(FEC_BASER, "BASER"),
150 __DEFINE_LINK_MODE_NAME(50000, KR, Full),
151 __DEFINE_LINK_MODE_NAME(50000, SR, Full),
152 __DEFINE_LINK_MODE_NAME(50000, CR, Full),
153 __DEFINE_LINK_MODE_NAME(50000, LR_ER_FR, Full),
154 __DEFINE_LINK_MODE_NAME(50000, DR, Full),
155 __DEFINE_LINK_MODE_NAME(100000, KR2, Full),
156 __DEFINE_LINK_MODE_NAME(100000, SR2, Full),
157 __DEFINE_LINK_MODE_NAME(100000, CR2, Full),
158 __DEFINE_LINK_MODE_NAME(100000, LR2_ER2_FR2, Full),
159 __DEFINE_LINK_MODE_NAME(100000, DR2, Full),
160 __DEFINE_LINK_MODE_NAME(200000, KR4, Full),
161 __DEFINE_LINK_MODE_NAME(200000, SR4, Full),
162 __DEFINE_LINK_MODE_NAME(200000, LR4_ER4_FR4, Full),
163 __DEFINE_LINK_MODE_NAME(200000, DR4, Full),
164 __DEFINE_LINK_MODE_NAME(200000, CR4, Full),
165 __DEFINE_LINK_MODE_NAME(100, T1, Full),
166 __DEFINE_LINK_MODE_NAME(1000, T1, Full),
167 __DEFINE_LINK_MODE_NAME(400000, KR8, Full),
168 __DEFINE_LINK_MODE_NAME(400000, SR8, Full),
169 __DEFINE_LINK_MODE_NAME(400000, LR8_ER8_FR8, Full),
170 __DEFINE_LINK_MODE_NAME(400000, DR8, Full),
171 __DEFINE_LINK_MODE_NAME(400000, CR8, Full),
f623e597 172 __DEFINE_SPECIAL_MODE_NAME(FEC_LLRS, "LLRS"),
428c122f
MK		 173};
174static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS);
459e0b81 175
6a94b8cc
MK		 176const char netif_msg_class_names[][ETH_GSTRING_LEN] = {
177 [NETIF_MSG_DRV_BIT] = "drv",
178 [NETIF_MSG_PROBE_BIT] = "probe",
179 [NETIF_MSG_LINK_BIT] = "link",
180 [NETIF_MSG_TIMER_BIT] = "timer",
181 [NETIF_MSG_IFDOWN_BIT] = "ifdown",
182 [NETIF_MSG_IFUP_BIT] = "ifup",
183 [NETIF_MSG_RX_ERR_BIT] = "rx_err",
184 [NETIF_MSG_TX_ERR_BIT] = "tx_err",
185 [NETIF_MSG_TX_QUEUED_BIT] = "tx_queued",
186 [NETIF_MSG_INTR_BIT] = "intr",
187 [NETIF_MSG_TX_DONE_BIT] = "tx_done",
188 [NETIF_MSG_RX_STATUS_BIT] = "rx_status",
189 [NETIF_MSG_PKTDATA_BIT] = "pktdata",
190 [NETIF_MSG_HW_BIT] = "hw",
191 [NETIF_MSG_WOL_BIT] = "wol",
192};
193static_assert(ARRAY_SIZE(netif_msg_class_names) == NETIF_MSG_CLASS_COUNT);
194
51ea22b0
MK		 195const char wol_mode_names[][ETH_GSTRING_LEN] = {
196 [const_ilog2(WAKE_PHY)] = "phy",
197 [const_ilog2(WAKE_UCAST)] = "ucast",
198 [const_ilog2(WAKE_MCAST)] = "mcast",
199 [const_ilog2(WAKE_BCAST)] = "bcast",
200 [const_ilog2(WAKE_ARP)] = "arp",
201 [const_ilog2(WAKE_MAGIC)] = "magic",
202 [const_ilog2(WAKE_MAGICSECURE)] = "magicsecure",
203 [const_ilog2(WAKE_FILTER)] = "filter",
204};
205static_assert(ARRAY_SIZE(wol_mode_names) == WOL_MODE_COUNT);
206
459e0b81
MK		 207/* return false if legacy contained non-0 deprecated fields
208 * maxtxpkt/maxrxpkt. rest of ksettings always updated
209 */
210bool
211convert_legacy_settings_to_link_ksettings(
212 struct ethtool_link_ksettings *link_ksettings,
213 const struct ethtool_cmd *legacy_settings)
214{
215 bool retval = true;
216
217 memset(link_ksettings, 0, sizeof(*link_ksettings));
218
219 /* This is used to tell users that driver is still using these
220 * deprecated legacy fields, and they should not use
221 * %ETHTOOL_GLINKSETTINGS/%ETHTOOL_SLINKSETTINGS
222 */
223 if (legacy_settings->maxtxpkt ||
224 legacy_settings->maxrxpkt)
225 retval = false;
226
227 ethtool_convert_legacy_u32_to_link_mode(
228 link_ksettings->link_modes.supported,
229 legacy_settings->supported);
230 ethtool_convert_legacy_u32_to_link_mode(
231 link_ksettings->link_modes.advertising,
232 legacy_settings->advertising);
233 ethtool_convert_legacy_u32_to_link_mode(
234 link_ksettings->link_modes.lp_advertising,
235 legacy_settings->lp_advertising);
236 link_ksettings->base.speed
237 = ethtool_cmd_speed(legacy_settings);
238 link_ksettings->base.duplex
239 = legacy_settings->duplex;
240 link_ksettings->base.port
241 = legacy_settings->port;
242 link_ksettings->base.phy_address
243 = legacy_settings->phy_address;
244 link_ksettings->base.autoneg
245 = legacy_settings->autoneg;
246 link_ksettings->base.mdio_support
247 = legacy_settings->mdio_support;
248 link_ksettings->base.eth_tp_mdix
249 = legacy_settings->eth_tp_mdix;
250 link_ksettings->base.eth_tp_mdix_ctrl
251 = legacy_settings->eth_tp_mdix_ctrl;
252 return retval;
253}
3d2b847f
MK		 254
255int __ethtool_get_link(struct net_device *dev)
256{
257 if (!dev->ethtool_ops->get_link)
258 return -EOPNOTSUPP;
259
260 return netif_running(dev) && dev->ethtool_ops->get_link(dev);
261}
e19c591e
MK		 262
263int ethtool_get_max_rxfh_channel(struct net_device *dev, u32 *max)
264{
265 u32 dev_size, current_max = 0;
266 u32 *indir;
267 int ret;
268
269 if (!dev->ethtool_ops->get_rxfh_indir_size ||
270 !dev->ethtool_ops->get_rxfh)
271 return -EOPNOTSUPP;
272 dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev);
273 if (dev_size == 0)
274 return -EOPNOTSUPP;
275
276 indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER);
277 if (!indir)
278 return -ENOMEM;
279
280 ret = dev->ethtool_ops->get_rxfh(dev, indir, NULL, NULL);
281 if (ret)
282 goto out;
283
284 while (dev_size--)
285 current_max = max(current_max, indir[dev_size]);
286
287 *max = current_max;
288
289out:
290 kfree(indir);
291 return ret;
292}
9000edb7
JK		 293
294int ethtool_check_ops(const struct ethtool_ops *ops)
295{
296 if (WARN_ON(ops->set_coalesce && !ops->supported_coalesce_params))
297 return -EINVAL;
298 /* NOTE: sufficiently insane drivers may swap ethtool_ops at runtime,
299 * the fact that ops are checked at registration time does not
300 * mean the ops attached to a netdev later on are sane.
301 */
302 return 0;
303}
Linux 6.x block layer and io_uring tree(s)