xref: /openbmc/linux/net/ethtool/common.c (revision f125e2d4)
1 // SPDX-License-Identifier: GPL-2.0-only
2 
3 #include "common.h"
4 
5 const 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",
62 	[NETIF_F_GRO_FRAGLIST_BIT] =	 "rx-gro-list",
63 };
64 
65 const char
66 rss_hash_func_strings[ETH_RSS_HASH_FUNCS_COUNT][ETH_GSTRING_LEN] = {
67 	[ETH_RSS_HASH_TOP_BIT] =	"toeplitz",
68 	[ETH_RSS_HASH_XOR_BIT] =	"xor",
69 	[ETH_RSS_HASH_CRC32_BIT] =	"crc32",
70 };
71 
72 const char
73 tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
74 	[ETHTOOL_ID_UNSPEC]     = "Unspec",
75 	[ETHTOOL_RX_COPYBREAK]	= "rx-copybreak",
76 	[ETHTOOL_TX_COPYBREAK]	= "tx-copybreak",
77 	[ETHTOOL_PFC_PREVENTION_TOUT] = "pfc-prevention-tout",
78 };
79 
80 const char
81 phy_tunable_strings[__ETHTOOL_PHY_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
82 	[ETHTOOL_ID_UNSPEC]     = "Unspec",
83 	[ETHTOOL_PHY_DOWNSHIFT]	= "phy-downshift",
84 	[ETHTOOL_PHY_FAST_LINK_DOWN] = "phy-fast-link-down",
85 	[ETHTOOL_PHY_EDPD]	= "phy-energy-detect-power-down",
86 };
87 
88 #define __LINK_MODE_NAME(speed, type, duplex) \
89 	#speed "base" #type "/" #duplex
90 #define __DEFINE_LINK_MODE_NAME(speed, type, duplex) \
91 	[ETHTOOL_LINK_MODE(speed, type, duplex)] = \
92 	__LINK_MODE_NAME(speed, type, duplex)
93 #define __DEFINE_SPECIAL_MODE_NAME(_mode, _name) \
94 	[ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = _name
95 
96 const char link_mode_names[][ETH_GSTRING_LEN] = {
97 	__DEFINE_LINK_MODE_NAME(10, T, Half),
98 	__DEFINE_LINK_MODE_NAME(10, T, Full),
99 	__DEFINE_LINK_MODE_NAME(100, T, Half),
100 	__DEFINE_LINK_MODE_NAME(100, T, Full),
101 	__DEFINE_LINK_MODE_NAME(1000, T, Half),
102 	__DEFINE_LINK_MODE_NAME(1000, T, Full),
103 	__DEFINE_SPECIAL_MODE_NAME(Autoneg, "Autoneg"),
104 	__DEFINE_SPECIAL_MODE_NAME(TP, "TP"),
105 	__DEFINE_SPECIAL_MODE_NAME(AUI, "AUI"),
106 	__DEFINE_SPECIAL_MODE_NAME(MII, "MII"),
107 	__DEFINE_SPECIAL_MODE_NAME(FIBRE, "FIBRE"),
108 	__DEFINE_SPECIAL_MODE_NAME(BNC, "BNC"),
109 	__DEFINE_LINK_MODE_NAME(10000, T, Full),
110 	__DEFINE_SPECIAL_MODE_NAME(Pause, "Pause"),
111 	__DEFINE_SPECIAL_MODE_NAME(Asym_Pause, "Asym_Pause"),
112 	__DEFINE_LINK_MODE_NAME(2500, X, Full),
113 	__DEFINE_SPECIAL_MODE_NAME(Backplane, "Backplane"),
114 	__DEFINE_LINK_MODE_NAME(1000, KX, Full),
115 	__DEFINE_LINK_MODE_NAME(10000, KX4, Full),
116 	__DEFINE_LINK_MODE_NAME(10000, KR, Full),
117 	__DEFINE_SPECIAL_MODE_NAME(10000baseR_FEC, "10000baseR_FEC"),
118 	__DEFINE_LINK_MODE_NAME(20000, MLD2, Full),
119 	__DEFINE_LINK_MODE_NAME(20000, KR2, Full),
120 	__DEFINE_LINK_MODE_NAME(40000, KR4, Full),
121 	__DEFINE_LINK_MODE_NAME(40000, CR4, Full),
122 	__DEFINE_LINK_MODE_NAME(40000, SR4, Full),
123 	__DEFINE_LINK_MODE_NAME(40000, LR4, Full),
124 	__DEFINE_LINK_MODE_NAME(56000, KR4, Full),
125 	__DEFINE_LINK_MODE_NAME(56000, CR4, Full),
126 	__DEFINE_LINK_MODE_NAME(56000, SR4, Full),
127 	__DEFINE_LINK_MODE_NAME(56000, LR4, Full),
128 	__DEFINE_LINK_MODE_NAME(25000, CR, Full),
129 	__DEFINE_LINK_MODE_NAME(25000, KR, Full),
130 	__DEFINE_LINK_MODE_NAME(25000, SR, Full),
131 	__DEFINE_LINK_MODE_NAME(50000, CR2, Full),
132 	__DEFINE_LINK_MODE_NAME(50000, KR2, Full),
133 	__DEFINE_LINK_MODE_NAME(100000, KR4, Full),
134 	__DEFINE_LINK_MODE_NAME(100000, SR4, Full),
135 	__DEFINE_LINK_MODE_NAME(100000, CR4, Full),
136 	__DEFINE_LINK_MODE_NAME(100000, LR4_ER4, Full),
137 	__DEFINE_LINK_MODE_NAME(50000, SR2, Full),
138 	__DEFINE_LINK_MODE_NAME(1000, X, Full),
139 	__DEFINE_LINK_MODE_NAME(10000, CR, Full),
140 	__DEFINE_LINK_MODE_NAME(10000, SR, Full),
141 	__DEFINE_LINK_MODE_NAME(10000, LR, Full),
142 	__DEFINE_LINK_MODE_NAME(10000, LRM, Full),
143 	__DEFINE_LINK_MODE_NAME(10000, ER, Full),
144 	__DEFINE_LINK_MODE_NAME(2500, T, Full),
145 	__DEFINE_LINK_MODE_NAME(5000, T, Full),
146 	__DEFINE_SPECIAL_MODE_NAME(FEC_NONE, "None"),
147 	__DEFINE_SPECIAL_MODE_NAME(FEC_RS, "RS"),
148 	__DEFINE_SPECIAL_MODE_NAME(FEC_BASER, "BASER"),
149 	__DEFINE_LINK_MODE_NAME(50000, KR, Full),
150 	__DEFINE_LINK_MODE_NAME(50000, SR, Full),
151 	__DEFINE_LINK_MODE_NAME(50000, CR, Full),
152 	__DEFINE_LINK_MODE_NAME(50000, LR_ER_FR, Full),
153 	__DEFINE_LINK_MODE_NAME(50000, DR, Full),
154 	__DEFINE_LINK_MODE_NAME(100000, KR2, Full),
155 	__DEFINE_LINK_MODE_NAME(100000, SR2, Full),
156 	__DEFINE_LINK_MODE_NAME(100000, CR2, Full),
157 	__DEFINE_LINK_MODE_NAME(100000, LR2_ER2_FR2, Full),
158 	__DEFINE_LINK_MODE_NAME(100000, DR2, Full),
159 	__DEFINE_LINK_MODE_NAME(200000, KR4, Full),
160 	__DEFINE_LINK_MODE_NAME(200000, SR4, Full),
161 	__DEFINE_LINK_MODE_NAME(200000, LR4_ER4_FR4, Full),
162 	__DEFINE_LINK_MODE_NAME(200000, DR4, Full),
163 	__DEFINE_LINK_MODE_NAME(200000, CR4, Full),
164 	__DEFINE_LINK_MODE_NAME(100, T1, Full),
165 	__DEFINE_LINK_MODE_NAME(1000, T1, Full),
166 	__DEFINE_LINK_MODE_NAME(400000, KR8, Full),
167 	__DEFINE_LINK_MODE_NAME(400000, SR8, Full),
168 	__DEFINE_LINK_MODE_NAME(400000, LR8_ER8_FR8, Full),
169 	__DEFINE_LINK_MODE_NAME(400000, DR8, Full),
170 	__DEFINE_LINK_MODE_NAME(400000, CR8, Full),
171 };
172 static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS);
173 
174 const char netif_msg_class_names[][ETH_GSTRING_LEN] = {
175 	[NETIF_MSG_DRV_BIT]		= "drv",
176 	[NETIF_MSG_PROBE_BIT]		= "probe",
177 	[NETIF_MSG_LINK_BIT]		= "link",
178 	[NETIF_MSG_TIMER_BIT]		= "timer",
179 	[NETIF_MSG_IFDOWN_BIT]		= "ifdown",
180 	[NETIF_MSG_IFUP_BIT]		= "ifup",
181 	[NETIF_MSG_RX_ERR_BIT]		= "rx_err",
182 	[NETIF_MSG_TX_ERR_BIT]		= "tx_err",
183 	[NETIF_MSG_TX_QUEUED_BIT]	= "tx_queued",
184 	[NETIF_MSG_INTR_BIT]		= "intr",
185 	[NETIF_MSG_TX_DONE_BIT]		= "tx_done",
186 	[NETIF_MSG_RX_STATUS_BIT]	= "rx_status",
187 	[NETIF_MSG_PKTDATA_BIT]		= "pktdata",
188 	[NETIF_MSG_HW_BIT]		= "hw",
189 	[NETIF_MSG_WOL_BIT]		= "wol",
190 };
191 static_assert(ARRAY_SIZE(netif_msg_class_names) == NETIF_MSG_CLASS_COUNT);
192 
193 const char wol_mode_names[][ETH_GSTRING_LEN] = {
194 	[const_ilog2(WAKE_PHY)]		= "phy",
195 	[const_ilog2(WAKE_UCAST)]	= "ucast",
196 	[const_ilog2(WAKE_MCAST)]	= "mcast",
197 	[const_ilog2(WAKE_BCAST)]	= "bcast",
198 	[const_ilog2(WAKE_ARP)]		= "arp",
199 	[const_ilog2(WAKE_MAGIC)]	= "magic",
200 	[const_ilog2(WAKE_MAGICSECURE)]	= "magicsecure",
201 	[const_ilog2(WAKE_FILTER)]	= "filter",
202 };
203 static_assert(ARRAY_SIZE(wol_mode_names) == WOL_MODE_COUNT);
204 
205 /* return false if legacy contained non-0 deprecated fields
206  * maxtxpkt/maxrxpkt. rest of ksettings always updated
207  */
208 bool
209 convert_legacy_settings_to_link_ksettings(
210 	struct ethtool_link_ksettings *link_ksettings,
211 	const struct ethtool_cmd *legacy_settings)
212 {
213 	bool retval = true;
214 
215 	memset(link_ksettings, 0, sizeof(*link_ksettings));
216 
217 	/* This is used to tell users that driver is still using these
218 	 * deprecated legacy fields, and they should not use
219 	 * %ETHTOOL_GLINKSETTINGS/%ETHTOOL_SLINKSETTINGS
220 	 */
221 	if (legacy_settings->maxtxpkt ||
222 	    legacy_settings->maxrxpkt)
223 		retval = false;
224 
225 	ethtool_convert_legacy_u32_to_link_mode(
226 		link_ksettings->link_modes.supported,
227 		legacy_settings->supported);
228 	ethtool_convert_legacy_u32_to_link_mode(
229 		link_ksettings->link_modes.advertising,
230 		legacy_settings->advertising);
231 	ethtool_convert_legacy_u32_to_link_mode(
232 		link_ksettings->link_modes.lp_advertising,
233 		legacy_settings->lp_advertising);
234 	link_ksettings->base.speed
235 		= ethtool_cmd_speed(legacy_settings);
236 	link_ksettings->base.duplex
237 		= legacy_settings->duplex;
238 	link_ksettings->base.port
239 		= legacy_settings->port;
240 	link_ksettings->base.phy_address
241 		= legacy_settings->phy_address;
242 	link_ksettings->base.autoneg
243 		= legacy_settings->autoneg;
244 	link_ksettings->base.mdio_support
245 		= legacy_settings->mdio_support;
246 	link_ksettings->base.eth_tp_mdix
247 		= legacy_settings->eth_tp_mdix;
248 	link_ksettings->base.eth_tp_mdix_ctrl
249 		= legacy_settings->eth_tp_mdix_ctrl;
250 	return retval;
251 }
252 
253 int __ethtool_get_link(struct net_device *dev)
254 {
255 	if (!dev->ethtool_ops->get_link)
256 		return -EOPNOTSUPP;
257 
258 	return netif_running(dev) && dev->ethtool_ops->get_link(dev);
259 }
260