Branch data Line data Source code
1 : : /* SPDX-License-Identifier: BSD-3-Clause
2 : : * Copyright (c) 2024 NVIDIA Corporation & Affiliates
3 : : */
4 : :
5 : : #include <eal_export.h>
6 : : #include <rte_bitops.h>
7 : :
8 : : #include "rte_ethdev.h"
9 : : #include "ethdev_linux_ethtool.h"
10 : :
11 : : /* Link modes sorted with index as defined in ethtool.
12 : : * Values are speed in Mbps with LSB indicating duplex.
13 : : *
14 : : * The ethtool bits definition should not change as it is a kernel API.
15 : : * Using raw numbers directly avoids checking API availability
16 : : * and allows to compile with new bits included even on an old kernel.
17 : : *
18 : : * The array below is built from bit definitions with this shell command:
19 : : * sed -rn \
20 : : * 's;.*(ETHTOOL_LINK_MODE_)([0-9]+)([0-9a-zA-Z_]*).*= *([0-9]*).*;[\4] \2 \1\2\3;p' \
21 : : * /usr/include/linux/ethtool.h |
22 : : * awk '/_Half_/{$2=$2+1}1' |
23 : : * awk '{printf "\t%5s = %7s, /\* %s *\/\n", $1, $2, $3}'
24 : : */
25 : : static const uint32_t link_modes[] = {
26 : : [0] = 11, /* ETHTOOL_LINK_MODE_10baseT_Half_BIT */
27 : : [1] = 10, /* ETHTOOL_LINK_MODE_10baseT_Full_BIT */
28 : : [2] = 101, /* ETHTOOL_LINK_MODE_100baseT_Half_BIT */
29 : : [3] = 100, /* ETHTOOL_LINK_MODE_100baseT_Full_BIT */
30 : : [4] = 1001, /* ETHTOOL_LINK_MODE_1000baseT_Half_BIT */
31 : : [5] = 1000, /* ETHTOOL_LINK_MODE_1000baseT_Full_BIT */
32 : : [12] = 10000, /* ETHTOOL_LINK_MODE_10000baseT_Full_BIT */
33 : : [15] = 2500, /* ETHTOOL_LINK_MODE_2500baseX_Full_BIT */
34 : : [17] = 1000, /* ETHTOOL_LINK_MODE_1000baseKX_Full_BIT */
35 : : [18] = 10000, /* ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT */
36 : : [19] = 10000, /* ETHTOOL_LINK_MODE_10000baseKR_Full_BIT */
37 : : [20] = 10000, /* ETHTOOL_LINK_MODE_10000baseR_FEC_BIT */
38 : : [21] = 20000, /* ETHTOOL_LINK_MODE_20000baseMLD2_Full_BIT */
39 : : [22] = 20000, /* ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT */
40 : : [23] = 40000, /* ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT */
41 : : [24] = 40000, /* ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT */
42 : : [25] = 40000, /* ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT */
43 : : [26] = 40000, /* ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT */
44 : : [27] = 56000, /* ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT */
45 : : [28] = 56000, /* ETHTOOL_LINK_MODE_56000baseCR4_Full_BIT */
46 : : [29] = 56000, /* ETHTOOL_LINK_MODE_56000baseSR4_Full_BIT */
47 : : [30] = 56000, /* ETHTOOL_LINK_MODE_56000baseLR4_Full_BIT */
48 : : [31] = 25000, /* ETHTOOL_LINK_MODE_25000baseCR_Full_BIT */
49 : : [32] = 25000, /* ETHTOOL_LINK_MODE_25000baseKR_Full_BIT */
50 : : [33] = 25000, /* ETHTOOL_LINK_MODE_25000baseSR_Full_BIT */
51 : : [34] = 50000, /* ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT */
52 : : [35] = 50000, /* ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT */
53 : : [36] = 100000, /* ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT */
54 : : [37] = 100000, /* ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT */
55 : : [38] = 100000, /* ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT */
56 : : [39] = 100000, /* ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT */
57 : : [40] = 50000, /* ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT */
58 : : [41] = 1000, /* ETHTOOL_LINK_MODE_1000baseX_Full_BIT */
59 : : [42] = 10000, /* ETHTOOL_LINK_MODE_10000baseCR_Full_BIT */
60 : : [43] = 10000, /* ETHTOOL_LINK_MODE_10000baseSR_Full_BIT */
61 : : [44] = 10000, /* ETHTOOL_LINK_MODE_10000baseLR_Full_BIT */
62 : : [45] = 10000, /* ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT */
63 : : [46] = 10000, /* ETHTOOL_LINK_MODE_10000baseER_Full_BIT */
64 : : [47] = 2500, /* ETHTOOL_LINK_MODE_2500baseT_Full_BIT */
65 : : [48] = 5000, /* ETHTOOL_LINK_MODE_5000baseT_Full_BIT */
66 : : [52] = 50000, /* ETHTOOL_LINK_MODE_50000baseKR_Full_BIT */
67 : : [53] = 50000, /* ETHTOOL_LINK_MODE_50000baseSR_Full_BIT */
68 : : [54] = 50000, /* ETHTOOL_LINK_MODE_50000baseCR_Full_BIT */
69 : : [55] = 50000, /* ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT */
70 : : [56] = 50000, /* ETHTOOL_LINK_MODE_50000baseDR_Full_BIT */
71 : : [57] = 100000, /* ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT */
72 : : [58] = 100000, /* ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT */
73 : : [59] = 100000, /* ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT */
74 : : [60] = 100000, /* ETHTOOL_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT */
75 : : [61] = 100000, /* ETHTOOL_LINK_MODE_100000baseDR2_Full_BIT */
76 : : [62] = 200000, /* ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT */
77 : : [63] = 200000, /* ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT */
78 : : [64] = 200000, /* ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT */
79 : : [65] = 200000, /* ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT */
80 : : [66] = 200000, /* ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT */
81 : : [67] = 100, /* ETHTOOL_LINK_MODE_100baseT1_Full_BIT */
82 : : [68] = 1000, /* ETHTOOL_LINK_MODE_1000baseT1_Full_BIT */
83 : : [69] = 400000, /* ETHTOOL_LINK_MODE_400000baseKR8_Full_BIT */
84 : : [70] = 400000, /* ETHTOOL_LINK_MODE_400000baseSR8_Full_BIT */
85 : : [71] = 400000, /* ETHTOOL_LINK_MODE_400000baseLR8_ER8_FR8_Full_BIT */
86 : : [72] = 400000, /* ETHTOOL_LINK_MODE_400000baseDR8_Full_BIT */
87 : : [73] = 400000, /* ETHTOOL_LINK_MODE_400000baseCR8_Full_BIT */
88 : : [75] = 100000, /* ETHTOOL_LINK_MODE_100000baseKR_Full_BIT */
89 : : [76] = 100000, /* ETHTOOL_LINK_MODE_100000baseSR_Full_BIT */
90 : : [77] = 100000, /* ETHTOOL_LINK_MODE_100000baseLR_ER_FR_Full_BIT */
91 : : [78] = 100000, /* ETHTOOL_LINK_MODE_100000baseCR_Full_BIT */
92 : : [79] = 100000, /* ETHTOOL_LINK_MODE_100000baseDR_Full_BIT */
93 : : [80] = 200000, /* ETHTOOL_LINK_MODE_200000baseKR2_Full_BIT */
94 : : [81] = 200000, /* ETHTOOL_LINK_MODE_200000baseSR2_Full_BIT */
95 : : [82] = 200000, /* ETHTOOL_LINK_MODE_200000baseLR2_ER2_FR2_Full_BIT */
96 : : [83] = 200000, /* ETHTOOL_LINK_MODE_200000baseDR2_Full_BIT */
97 : : [84] = 200000, /* ETHTOOL_LINK_MODE_200000baseCR2_Full_BIT */
98 : : [85] = 400000, /* ETHTOOL_LINK_MODE_400000baseKR4_Full_BIT */
99 : : [86] = 400000, /* ETHTOOL_LINK_MODE_400000baseSR4_Full_BIT */
100 : : [87] = 400000, /* ETHTOOL_LINK_MODE_400000baseLR4_ER4_FR4_Full_BIT */
101 : : [88] = 400000, /* ETHTOOL_LINK_MODE_400000baseDR4_Full_BIT */
102 : : [89] = 400000, /* ETHTOOL_LINK_MODE_400000baseCR4_Full_BIT */
103 : : [90] = 101, /* ETHTOOL_LINK_MODE_100baseFX_Half_BIT */
104 : : [91] = 100, /* ETHTOOL_LINK_MODE_100baseFX_Full_BIT */
105 : : [92] = 10, /* ETHTOOL_LINK_MODE_10baseT1L_Full_BIT */
106 : : [93] = 800000, /* ETHTOOL_LINK_MODE_800000baseCR8_Full_BIT */
107 : : [94] = 800000, /* ETHTOOL_LINK_MODE_800000baseKR8_Full_BIT */
108 : : [95] = 800000, /* ETHTOOL_LINK_MODE_800000baseDR8_Full_BIT */
109 : : [96] = 800000, /* ETHTOOL_LINK_MODE_800000baseDR8_2_Full_BIT */
110 : : [97] = 800000, /* ETHTOOL_LINK_MODE_800000baseSR8_Full_BIT */
111 : : [98] = 800000, /* ETHTOOL_LINK_MODE_800000baseVR8_Full_BIT */
112 : : [99] = 10, /* ETHTOOL_LINK_MODE_10baseT1S_Full_BIT */
113 : : [100] = 11, /* ETHTOOL_LINK_MODE_10baseT1S_Half_BIT */
114 : : [101] = 11, /* ETHTOOL_LINK_MODE_10baseT1S_P2MP_Half_BIT */
115 : : [102] = 10, /* ETHTOOL_LINK_MODE_10baseT1BRR_Full_BIT */
116 : : [103] = 200000, /* ETHTOOL_LINK_MODE_200000baseCR_Full_BIT */
117 : : [104] = 200000, /* ETHTOOL_LINK_MODE_200000baseKR_Full_BIT */
118 : : [105] = 200000, /* ETHTOOL_LINK_MODE_200000baseDR_Full_BIT */
119 : : [106] = 200000, /* ETHTOOL_LINK_MODE_200000baseDR_2_Full_BIT */
120 : : [107] = 200000, /* ETHTOOL_LINK_MODE_200000baseSR_Full_BIT */
121 : : [108] = 200000, /* ETHTOOL_LINK_MODE_200000baseVR_Full_BIT */
122 : : [109] = 400000, /* ETHTOOL_LINK_MODE_400000baseCR2_Full_BIT */
123 : : [110] = 400000, /* ETHTOOL_LINK_MODE_400000baseKR2_Full_BIT */
124 : : [111] = 400000, /* ETHTOOL_LINK_MODE_400000baseDR2_Full_BIT */
125 : : [112] = 400000, /* ETHTOOL_LINK_MODE_400000baseDR2_2_Full_BIT */
126 : : [113] = 400000, /* ETHTOOL_LINK_MODE_400000baseSR2_Full_BIT */
127 : : [114] = 400000, /* ETHTOOL_LINK_MODE_400000baseVR2_Full_BIT */
128 : : [115] = 800000, /* ETHTOOL_LINK_MODE_800000baseCR4_Full_BIT */
129 : : [116] = 800000, /* ETHTOOL_LINK_MODE_800000baseKR4_Full_BIT */
130 : : [117] = 800000, /* ETHTOOL_LINK_MODE_800000baseDR4_Full_BIT */
131 : : [118] = 800000, /* ETHTOOL_LINK_MODE_800000baseDR4_2_Full_BIT */
132 : : [119] = 800000, /* ETHTOOL_LINK_MODE_800000baseSR4_Full_BIT */
133 : : [120] = 800000, /* ETHTOOL_LINK_MODE_800000baseVR4_Full_BIT */
134 : : };
135 : :
136 : : RTE_EXPORT_INTERNAL_SYMBOL(rte_eth_link_speed_ethtool)
137 : : uint32_t
138 : 0 : rte_eth_link_speed_ethtool(enum ethtool_link_mode_bit_indices bit)
139 : : {
140 : : uint32_t speed;
141 : : int duplex;
142 : :
143 : : /* get mode from array */
144 [ # # ]: 0 : if (bit >= RTE_DIM(link_modes))
145 : : return RTE_ETH_LINK_SPEED_AUTONEG;
146 : 0 : speed = link_modes[bit];
147 [ # # ]: 0 : if (speed == 0)
148 : : return RTE_ETH_LINK_SPEED_AUTONEG;
149 : : RTE_BUILD_BUG_ON(RTE_ETH_LINK_SPEED_AUTONEG != 0);
150 : :
151 : : /* duplex is LSB */
152 : 0 : duplex = (speed & 1) ?
153 : : RTE_ETH_LINK_HALF_DUPLEX :
154 : : RTE_ETH_LINK_FULL_DUPLEX;
155 : 0 : speed &= RTE_GENMASK32(31, 1);
156 : :
157 : 0 : return rte_eth_speed_bitflag(speed, duplex);
158 : : }
159 : :
160 : : RTE_EXPORT_INTERNAL_SYMBOL(rte_eth_link_speed_glink)
161 : : uint32_t
162 : 0 : rte_eth_link_speed_glink(const uint32_t *bitmap, int8_t nwords)
163 : : {
164 : : uint8_t word, bit;
165 : : uint32_t ethdev_bitmap = 0;
166 : :
167 [ # # ]: 0 : if (nwords < 1)
168 : : return 0;
169 : :
170 [ # # ]: 0 : for (word = 0; word < nwords; word++) {
171 [ # # ]: 0 : for (bit = 0; bit < 32; bit++) {
172 [ # # ]: 0 : if ((bitmap[word] & RTE_BIT32(bit)) == 0)
173 : 0 : continue;
174 : 0 : ethdev_bitmap |= rte_eth_link_speed_ethtool(word * 32 + bit);
175 : : }
176 : : }
177 : :
178 : : return ethdev_bitmap;
179 : : }
180 : :
181 : : RTE_EXPORT_INTERNAL_SYMBOL(rte_eth_link_speed_gset)
182 : : uint32_t
183 : 0 : rte_eth_link_speed_gset(uint32_t legacy_bitmap)
184 : : {
185 : 0 : return rte_eth_link_speed_glink(&legacy_bitmap, 1);
186 : : }
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