/* SPDX-License-Identifier: BSD-3-Clause * Copyright (c) 2024 NVIDIA Corporation & Affiliates */ #include #include "rte_ethdev.h" #include "ethdev_linux_ethtool.h" /* Link modes sorted with index as defined in ethtool. * Values are speed in Mbps with LSB indicating duplex. * * The ethtool bits definition should not change as it is a kernel API. * Using raw numbers directly avoids checking API availability * and allows to compile with new bits included even on an old kernel. * * The array below is built from bit definitions with this shell command: * sed -rn 's;.*(ETHTOOL_LINK_MODE_)([0-9]+)([0-9a-zA-Z_]*).*= *([0-9]*).*;'\ * '[\4] = \2, /\* \1\2\3 *\/;p' /usr/include/linux/ethtool.h | * awk '/_Half_/{$3=$3+1","}1' */ static const uint32_t link_modes[] = { [0] = 11, /* ETHTOOL_LINK_MODE_10baseT_Half_BIT */ [1] = 10, /* ETHTOOL_LINK_MODE_10baseT_Full_BIT */ [2] = 101, /* ETHTOOL_LINK_MODE_100baseT_Half_BIT */ [3] = 100, /* ETHTOOL_LINK_MODE_100baseT_Full_BIT */ [4] = 1001, /* ETHTOOL_LINK_MODE_1000baseT_Half_BIT */ [5] = 1000, /* ETHTOOL_LINK_MODE_1000baseT_Full_BIT */ [12] = 10000, /* ETHTOOL_LINK_MODE_10000baseT_Full_BIT */ [15] = 2500, /* ETHTOOL_LINK_MODE_2500baseX_Full_BIT */ [17] = 1000, /* ETHTOOL_LINK_MODE_1000baseKX_Full_BIT */ [18] = 10000, /* ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT */ [19] = 10000, /* ETHTOOL_LINK_MODE_10000baseKR_Full_BIT */ [20] = 10000, /* ETHTOOL_LINK_MODE_10000baseR_FEC_BIT */ [21] = 20000, /* ETHTOOL_LINK_MODE_20000baseMLD2_Full_BIT */ [22] = 20000, /* ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT */ [23] = 40000, /* ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT */ [24] = 40000, /* ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT */ [25] = 40000, /* ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT */ [26] = 40000, /* ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT */ [27] = 56000, /* ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT */ [28] = 56000, /* ETHTOOL_LINK_MODE_56000baseCR4_Full_BIT */ [29] = 56000, /* ETHTOOL_LINK_MODE_56000baseSR4_Full_BIT */ [30] = 56000, /* ETHTOOL_LINK_MODE_56000baseLR4_Full_BIT */ [31] = 25000, /* ETHTOOL_LINK_MODE_25000baseCR_Full_BIT */ [32] = 25000, /* ETHTOOL_LINK_MODE_25000baseKR_Full_BIT */ [33] = 25000, /* ETHTOOL_LINK_MODE_25000baseSR_Full_BIT */ [34] = 50000, /* ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT */ [35] = 50000, /* ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT */ [36] = 100000, /* ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT */ [37] = 100000, /* ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT */ [38] = 100000, /* ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT */ [39] = 100000, /* ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT */ [40] = 50000, /* ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT */ [41] = 1000, /* ETHTOOL_LINK_MODE_1000baseX_Full_BIT */ [42] = 10000, /* ETHTOOL_LINK_MODE_10000baseCR_Full_BIT */ [43] = 10000, /* ETHTOOL_LINK_MODE_10000baseSR_Full_BIT */ [44] = 10000, /* ETHTOOL_LINK_MODE_10000baseLR_Full_BIT */ [45] = 10000, /* ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT */ [46] = 10000, /* ETHTOOL_LINK_MODE_10000baseER_Full_BIT */ [47] = 2500, /* ETHTOOL_LINK_MODE_2500baseT_Full_BIT */ [48] = 5000, /* ETHTOOL_LINK_MODE_5000baseT_Full_BIT */ [52] = 50000, /* ETHTOOL_LINK_MODE_50000baseKR_Full_BIT */ [53] = 50000, /* ETHTOOL_LINK_MODE_50000baseSR_Full_BIT */ [54] = 50000, /* ETHTOOL_LINK_MODE_50000baseCR_Full_BIT */ [55] = 50000, /* ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT */ [56] = 50000, /* ETHTOOL_LINK_MODE_50000baseDR_Full_BIT */ [57] = 100000, /* ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT */ [58] = 100000, /* ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT */ [59] = 100000, /* ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT */ [60] = 100000, /* ETHTOOL_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT */ [61] = 100000, /* ETHTOOL_LINK_MODE_100000baseDR2_Full_BIT */ [62] = 200000, /* ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT */ [63] = 200000, /* ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT */ [64] = 200000, /* ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT */ [65] = 200000, /* ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT */ [66] = 200000, /* ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT */ [67] = 100, /* ETHTOOL_LINK_MODE_100baseT1_Full_BIT */ [68] = 1000, /* ETHTOOL_LINK_MODE_1000baseT1_Full_BIT */ [69] = 400000, /* ETHTOOL_LINK_MODE_400000baseKR8_Full_BIT */ [70] = 400000, /* ETHTOOL_LINK_MODE_400000baseSR8_Full_BIT */ [71] = 400000, /* ETHTOOL_LINK_MODE_400000baseLR8_ER8_FR8_Full_BIT */ [72] = 400000, /* ETHTOOL_LINK_MODE_400000baseDR8_Full_BIT */ [73] = 400000, /* ETHTOOL_LINK_MODE_400000baseCR8_Full_BIT */ [75] = 100000, /* ETHTOOL_LINK_MODE_100000baseKR_Full_BIT */ [76] = 100000, /* ETHTOOL_LINK_MODE_100000baseSR_Full_BIT */ [77] = 100000, /* ETHTOOL_LINK_MODE_100000baseLR_ER_FR_Full_BIT */ [78] = 100000, /* ETHTOOL_LINK_MODE_100000baseCR_Full_BIT */ [79] = 100000, /* ETHTOOL_LINK_MODE_100000baseDR_Full_BIT */ [80] = 200000, /* ETHTOOL_LINK_MODE_200000baseKR2_Full_BIT */ [81] = 200000, /* ETHTOOL_LINK_MODE_200000baseSR2_Full_BIT */ [82] = 200000, /* ETHTOOL_LINK_MODE_200000baseLR2_ER2_FR2_Full_BIT */ [83] = 200000, /* ETHTOOL_LINK_MODE_200000baseDR2_Full_BIT */ [84] = 200000, /* ETHTOOL_LINK_MODE_200000baseCR2_Full_BIT */ [85] = 400000, /* ETHTOOL_LINK_MODE_400000baseKR4_Full_BIT */ [86] = 400000, /* ETHTOOL_LINK_MODE_400000baseSR4_Full_BIT */ [87] = 400000, /* ETHTOOL_LINK_MODE_400000baseLR4_ER4_FR4_Full_BIT */ [88] = 400000, /* ETHTOOL_LINK_MODE_400000baseDR4_Full_BIT */ [89] = 400000, /* ETHTOOL_LINK_MODE_400000baseCR4_Full_BIT */ [90] = 101, /* ETHTOOL_LINK_MODE_100baseFX_Half_BIT */ [91] = 100, /* ETHTOOL_LINK_MODE_100baseFX_Full_BIT */ [92] = 10, /* ETHTOOL_LINK_MODE_10baseT1L_Full_BIT */ [93] = 800000, /* ETHTOOL_LINK_MODE_800000baseCR8_Full_BIT */ [94] = 800000, /* ETHTOOL_LINK_MODE_800000baseKR8_Full_BIT */ [95] = 800000, /* ETHTOOL_LINK_MODE_800000baseDR8_Full_BIT */ [96] = 800000, /* ETHTOOL_LINK_MODE_800000baseDR8_2_Full_BIT */ [97] = 800000, /* ETHTOOL_LINK_MODE_800000baseSR8_Full_BIT */ [98] = 800000, /* ETHTOOL_LINK_MODE_800000baseVR8_Full_BIT */ [99] = 10, /* ETHTOOL_LINK_MODE_10baseT1S_Full_BIT */ [100] = 11, /* ETHTOOL_LINK_MODE_10baseT1S_Half_BIT */ [101] = 11, /* ETHTOOL_LINK_MODE_10baseT1S_P2MP_Half_BIT */ }; uint32_t rte_eth_link_speed_ethtool(enum ethtool_link_mode_bit_indices bit) { uint32_t speed; int duplex; /* get mode from array */ if (bit >= RTE_DIM(link_modes)) return RTE_ETH_LINK_SPEED_AUTONEG; speed = link_modes[bit]; if (speed == 0) return RTE_ETH_LINK_SPEED_AUTONEG; RTE_BUILD_BUG_ON(RTE_ETH_LINK_SPEED_AUTONEG != 0); /* duplex is LSB */ duplex = (speed & 1) ? RTE_ETH_LINK_HALF_DUPLEX : RTE_ETH_LINK_FULL_DUPLEX; speed &= RTE_GENMASK32(31, 1); return rte_eth_speed_bitflag(speed, duplex); } uint32_t rte_eth_link_speed_glink(const uint32_t *bitmap, int8_t nwords) { uint8_t word, bit; uint32_t ethdev_bitmap = 0; if (nwords < 1) return 0; for (word = 0; word < nwords; word++) { for (bit = 0; bit < 32; bit++) { if ((bitmap[word] & RTE_BIT32(bit)) == 0) continue; ethdev_bitmap |= rte_eth_link_speed_ethtool(word * 32 + bit); } } return ethdev_bitmap; } uint32_t rte_eth_link_speed_gset(uint32_t legacy_bitmap) { return rte_eth_link_speed_glink(&legacy_bitmap, 1); }