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linux/linux/kernel/git/paulmck/linux-rcu/refs/heads/master/./net/ethtool/common.c
blob: 23db40618fed147c4fa3de754b100cda1f98f5cd [file] [edit]
// SPDX-License-Identifier: GPL-2.0-only
#include <linux/ethtool_netlink.h>
#include <linux/net_tstamp.h>
#include <linux/phy.h>
#include <linux/rtnetlink.h>
#include <linux/ptp_clock_kernel.h>
#include <linux/phy_link_topology.h>
#include <net/netdev_queues.h>
#include "common.h"
#include "netlink.h"
#include "../core/dev.h"
const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] = {
[NETIF_F_SG_BIT] = "tx-scatter-gather",
[NETIF_F_IP_CSUM_BIT] = "tx-checksum-ipv4",
[NETIF_F_HW_CSUM_BIT] = "tx-checksum-ip-generic",
[NETIF_F_IPV6_CSUM_BIT] = "tx-checksum-ipv6",
[NETIF_F_HIGHDMA_BIT] = "highdma",
[NETIF_F_FRAGLIST_BIT] = "tx-scatter-gather-fraglist",
[NETIF_F_HW_VLAN_CTAG_TX_BIT] = "tx-vlan-hw-insert",
[NETIF_F_HW_VLAN_CTAG_RX_BIT] = "rx-vlan-hw-parse",
[NETIF_F_HW_VLAN_CTAG_FILTER_BIT] = "rx-vlan-filter",
[NETIF_F_HW_VLAN_STAG_TX_BIT] = "tx-vlan-stag-hw-insert",
[NETIF_F_HW_VLAN_STAG_RX_BIT] = "rx-vlan-stag-hw-parse",
[NETIF_F_HW_VLAN_STAG_FILTER_BIT] = "rx-vlan-stag-filter",
[NETIF_F_VLAN_CHALLENGED_BIT] = "vlan-challenged",
[NETIF_F_GSO_BIT] = "tx-generic-segmentation",
[NETIF_F_GRO_BIT] = "rx-gro",
[NETIF_F_GRO_HW_BIT] = "rx-gro-hw",
[NETIF_F_LRO_BIT] = "rx-lro",
[NETIF_F_TSO_BIT] = "tx-tcp-segmentation",
[NETIF_F_GSO_ROBUST_BIT] = "tx-gso-robust",
[NETIF_F_TSO_ECN_BIT] = "tx-tcp-ecn-segmentation",
[NETIF_F_GSO_ACCECN_BIT] = "tx-tcp-accecn-segmentation",
[NETIF_F_TSO_MANGLEID_BIT] = "tx-tcp-mangleid-segmentation",
[NETIF_F_TSO6_BIT] = "tx-tcp6-segmentation",
[NETIF_F_FSO_BIT] = "tx-fcoe-segmentation",
[NETIF_F_GSO_GRE_BIT] = "tx-gre-segmentation",
[NETIF_F_GSO_GRE_CSUM_BIT] = "tx-gre-csum-segmentation",
[NETIF_F_GSO_IPXIP4_BIT] = "tx-ipxip4-segmentation",
[NETIF_F_GSO_IPXIP6_BIT] = "tx-ipxip6-segmentation",
[NETIF_F_GSO_UDP_TUNNEL_BIT] = "tx-udp_tnl-segmentation",
[NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT] = "tx-udp_tnl-csum-segmentation",
[NETIF_F_GSO_PARTIAL_BIT] = "tx-gso-partial",
[NETIF_F_GSO_TUNNEL_REMCSUM_BIT] = "tx-tunnel-remcsum-segmentation",
[NETIF_F_GSO_SCTP_BIT] = "tx-sctp-segmentation",
[NETIF_F_GSO_ESP_BIT] = "tx-esp-segmentation",
[NETIF_F_GSO_UDP_L4_BIT] = "tx-udp-segmentation",
[NETIF_F_GSO_FRAGLIST_BIT] = "tx-gso-list",
[NETIF_F_FCOE_CRC_BIT] = "tx-checksum-fcoe-crc",
[NETIF_F_SCTP_CRC_BIT] = "tx-checksum-sctp",
[NETIF_F_NTUPLE_BIT] = "rx-ntuple-filter",
[NETIF_F_RXHASH_BIT] = "rx-hashing",
[NETIF_F_RXCSUM_BIT] = "rx-checksum",
[NETIF_F_NOCACHE_COPY_BIT] = "tx-nocache-copy",
[NETIF_F_LOOPBACK_BIT] = "loopback",
[NETIF_F_RXFCS_BIT] = "rx-fcs",
[NETIF_F_RXALL_BIT] = "rx-all",
[NETIF_F_HW_L2FW_DOFFLOAD_BIT] = "l2-fwd-offload",
[NETIF_F_HW_TC_BIT] = "hw-tc-offload",
[NETIF_F_HW_ESP_BIT] = "esp-hw-offload",
[NETIF_F_HW_ESP_TX_CSUM_BIT] = "esp-tx-csum-hw-offload",
[NETIF_F_RX_UDP_TUNNEL_PORT_BIT] = "rx-udp_tunnel-port-offload",
[NETIF_F_HW_TLS_TX_BIT] = "tls-hw-tx-offload",
[NETIF_F_HW_TLS_RX_BIT] = "tls-hw-rx-offload",
[NETIF_F_GRO_FRAGLIST_BIT] = "rx-gro-list",
[NETIF_F_HW_MACSEC_BIT] = "macsec-hw-offload",
[NETIF_F_GRO_UDP_FWD_BIT] = "rx-udp-gro-forwarding",
[NETIF_F_HW_HSR_TAG_INS_BIT] = "hsr-tag-ins-offload",
[NETIF_F_HW_HSR_TAG_RM_BIT] = "hsr-tag-rm-offload",
[NETIF_F_HW_HSR_FWD_BIT] = "hsr-fwd-offload",
[NETIF_F_HW_HSR_DUP_BIT] = "hsr-dup-offload",
};
const char
rss_hash_func_strings[ETH_RSS_HASH_FUNCS_COUNT][ETH_GSTRING_LEN] = {
[ETH_RSS_HASH_TOP_BIT] = "toeplitz",
[ETH_RSS_HASH_XOR_BIT] = "xor",
[ETH_RSS_HASH_CRC32_BIT] = "crc32",
};
const char
tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
[ETHTOOL_ID_UNSPEC] = "Unspec",
[ETHTOOL_RX_COPYBREAK] = "rx-copybreak",
[ETHTOOL_TX_COPYBREAK] = "tx-copybreak",
[ETHTOOL_PFC_PREVENTION_TOUT] = "pfc-prevention-tout",
[ETHTOOL_TX_COPYBREAK_BUF_SIZE] = "tx-copybreak-buf-size",
};
const char
phy_tunable_strings[__ETHTOOL_PHY_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
[ETHTOOL_ID_UNSPEC] = "Unspec",
[ETHTOOL_PHY_DOWNSHIFT] = "phy-downshift",
[ETHTOOL_PHY_FAST_LINK_DOWN] = "phy-fast-link-down",
[ETHTOOL_PHY_EDPD] = "phy-energy-detect-power-down",
[ETHTOOL_PHY_SHORT_CABLE_PRESET] = "phy-short-cable-preset",
[ETHTOOL_PHY_LPF_BW] = "phy-lpf-bandwidth",
[ETHTOOL_PHY_DSP_EQ_INIT_VALUE] = "phy-dsp-eq-init-value",
};
#define __LINK_MODE_NAME(speed, type, duplex) \
#speed "base" #type "/" #duplex
#define __DEFINE_LINK_MODE_NAME(speed, type, duplex) \
[ETHTOOL_LINK_MODE(speed, type, duplex)] = \
__LINK_MODE_NAME(speed, type, duplex)
#define __DEFINE_SPECIAL_MODE_NAME(_mode, _name) \
[ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = _name
const char link_mode_names[][ETH_GSTRING_LEN] = {
__DEFINE_LINK_MODE_NAME(10, T, Half),
__DEFINE_LINK_MODE_NAME(10, T, Full),
__DEFINE_LINK_MODE_NAME(100, T, Half),
__DEFINE_LINK_MODE_NAME(100, T, Full),
__DEFINE_LINK_MODE_NAME(1000, T, Half),
__DEFINE_LINK_MODE_NAME(1000, T, Full),
__DEFINE_SPECIAL_MODE_NAME(Autoneg, "Autoneg"),
__DEFINE_SPECIAL_MODE_NAME(TP, "TP"),
__DEFINE_SPECIAL_MODE_NAME(AUI, "AUI"),
__DEFINE_SPECIAL_MODE_NAME(MII, "MII"),
__DEFINE_SPECIAL_MODE_NAME(FIBRE, "FIBRE"),
__DEFINE_SPECIAL_MODE_NAME(BNC, "BNC"),
__DEFINE_LINK_MODE_NAME(10000, T, Full),
__DEFINE_SPECIAL_MODE_NAME(Pause, "Pause"),
__DEFINE_SPECIAL_MODE_NAME(Asym_Pause, "Asym_Pause"),
__DEFINE_LINK_MODE_NAME(2500, X, Full),
__DEFINE_SPECIAL_MODE_NAME(Backplane, "Backplane"),
__DEFINE_LINK_MODE_NAME(1000, KX, Full),
__DEFINE_LINK_MODE_NAME(10000, KX4, Full),
__DEFINE_LINK_MODE_NAME(10000, KR, Full),
__DEFINE_SPECIAL_MODE_NAME(10000baseR_FEC, "10000baseR_FEC"),
__DEFINE_LINK_MODE_NAME(20000, MLD2, Full),
__DEFINE_LINK_MODE_NAME(20000, KR2, Full),
__DEFINE_LINK_MODE_NAME(40000, KR4, Full),
__DEFINE_LINK_MODE_NAME(40000, CR4, Full),
__DEFINE_LINK_MODE_NAME(40000, SR4, Full),
__DEFINE_LINK_MODE_NAME(40000, LR4, Full),
__DEFINE_LINK_MODE_NAME(56000, KR4, Full),
__DEFINE_LINK_MODE_NAME(56000, CR4, Full),
__DEFINE_LINK_MODE_NAME(56000, SR4, Full),
__DEFINE_LINK_MODE_NAME(56000, LR4, Full),
__DEFINE_LINK_MODE_NAME(25000, CR, Full),
__DEFINE_LINK_MODE_NAME(25000, KR, Full),
__DEFINE_LINK_MODE_NAME(25000, SR, Full),
__DEFINE_LINK_MODE_NAME(50000, CR2, Full),
__DEFINE_LINK_MODE_NAME(50000, KR2, Full),
__DEFINE_LINK_MODE_NAME(100000, KR4, Full),
__DEFINE_LINK_MODE_NAME(100000, SR4, Full),
__DEFINE_LINK_MODE_NAME(100000, CR4, Full),
__DEFINE_LINK_MODE_NAME(100000, LR4_ER4, Full),
__DEFINE_LINK_MODE_NAME(50000, SR2, Full),
__DEFINE_LINK_MODE_NAME(1000, X, Full),
__DEFINE_LINK_MODE_NAME(10000, CR, Full),
__DEFINE_LINK_MODE_NAME(10000, SR, Full),
__DEFINE_LINK_MODE_NAME(10000, LR, Full),
__DEFINE_LINK_MODE_NAME(10000, LRM, Full),
__DEFINE_LINK_MODE_NAME(10000, ER, Full),
__DEFINE_LINK_MODE_NAME(2500, T, Full),
__DEFINE_LINK_MODE_NAME(5000, T, Full),
__DEFINE_SPECIAL_MODE_NAME(FEC_NONE, "None"),
__DEFINE_SPECIAL_MODE_NAME(FEC_RS, "RS"),
__DEFINE_SPECIAL_MODE_NAME(FEC_BASER, "BASER"),
__DEFINE_LINK_MODE_NAME(50000, KR, Full),
__DEFINE_LINK_MODE_NAME(50000, SR, Full),
__DEFINE_LINK_MODE_NAME(50000, CR, Full),
__DEFINE_LINK_MODE_NAME(50000, LR_ER_FR, Full),
__DEFINE_LINK_MODE_NAME(50000, DR, Full),
__DEFINE_LINK_MODE_NAME(100000, KR2, Full),
__DEFINE_LINK_MODE_NAME(100000, SR2, Full),
__DEFINE_LINK_MODE_NAME(100000, CR2, Full),
__DEFINE_LINK_MODE_NAME(100000, LR2_ER2_FR2, Full),
__DEFINE_LINK_MODE_NAME(100000, DR2, Full),
__DEFINE_LINK_MODE_NAME(200000, KR4, Full),
__DEFINE_LINK_MODE_NAME(200000, SR4, Full),
__DEFINE_LINK_MODE_NAME(200000, LR4_ER4_FR4, Full),
__DEFINE_LINK_MODE_NAME(200000, DR4, Full),
__DEFINE_LINK_MODE_NAME(200000, CR4, Full),
__DEFINE_LINK_MODE_NAME(100, T1, Full),
__DEFINE_LINK_MODE_NAME(1000, T1, Full),
__DEFINE_LINK_MODE_NAME(400000, KR8, Full),
__DEFINE_LINK_MODE_NAME(400000, SR8, Full),
__DEFINE_LINK_MODE_NAME(400000, LR8_ER8_FR8, Full),
__DEFINE_LINK_MODE_NAME(400000, DR8, Full),
__DEFINE_LINK_MODE_NAME(400000, CR8, Full),
__DEFINE_SPECIAL_MODE_NAME(FEC_LLRS, "LLRS"),
__DEFINE_LINK_MODE_NAME(100000, KR, Full),
__DEFINE_LINK_MODE_NAME(100000, SR, Full),
__DEFINE_LINK_MODE_NAME(100000, LR_ER_FR, Full),
__DEFINE_LINK_MODE_NAME(100000, DR, Full),
__DEFINE_LINK_MODE_NAME(100000, CR, Full),
__DEFINE_LINK_MODE_NAME(200000, KR2, Full),
__DEFINE_LINK_MODE_NAME(200000, SR2, Full),
__DEFINE_LINK_MODE_NAME(200000, LR2_ER2_FR2, Full),
__DEFINE_LINK_MODE_NAME(200000, DR2, Full),
__DEFINE_LINK_MODE_NAME(200000, CR2, Full),
__DEFINE_LINK_MODE_NAME(400000, KR4, Full),
__DEFINE_LINK_MODE_NAME(400000, SR4, Full),
__DEFINE_LINK_MODE_NAME(400000, LR4_ER4_FR4, Full),
__DEFINE_LINK_MODE_NAME(400000, DR4, Full),
__DEFINE_LINK_MODE_NAME(400000, CR4, Full),
__DEFINE_LINK_MODE_NAME(100, FX, Half),
__DEFINE_LINK_MODE_NAME(100, FX, Full),
__DEFINE_LINK_MODE_NAME(10, T1L, Full),
__DEFINE_LINK_MODE_NAME(800000, CR8, Full),
__DEFINE_LINK_MODE_NAME(800000, KR8, Full),
__DEFINE_LINK_MODE_NAME(800000, DR8, Full),
__DEFINE_LINK_MODE_NAME(800000, DR8_2, Full),
__DEFINE_LINK_MODE_NAME(800000, SR8, Full),
__DEFINE_LINK_MODE_NAME(800000, VR8, Full),
__DEFINE_LINK_MODE_NAME(10, T1S, Full),
__DEFINE_LINK_MODE_NAME(10, T1S, Half),
__DEFINE_LINK_MODE_NAME(10, T1S_P2MP, Half),
__DEFINE_LINK_MODE_NAME(10, T1BRR, Full),
__DEFINE_LINK_MODE_NAME(200000, CR, Full),
__DEFINE_LINK_MODE_NAME(200000, KR, Full),
__DEFINE_LINK_MODE_NAME(200000, DR, Full),
__DEFINE_LINK_MODE_NAME(200000, DR_2, Full),
__DEFINE_LINK_MODE_NAME(200000, SR, Full),
__DEFINE_LINK_MODE_NAME(200000, VR, Full),
__DEFINE_LINK_MODE_NAME(400000, CR2, Full),
__DEFINE_LINK_MODE_NAME(400000, KR2, Full),
__DEFINE_LINK_MODE_NAME(400000, DR2, Full),
__DEFINE_LINK_MODE_NAME(400000, DR2_2, Full),
__DEFINE_LINK_MODE_NAME(400000, SR2, Full),
__DEFINE_LINK_MODE_NAME(400000, VR2, Full),
__DEFINE_LINK_MODE_NAME(800000, CR4, Full),
__DEFINE_LINK_MODE_NAME(800000, KR4, Full),
__DEFINE_LINK_MODE_NAME(800000, DR4, Full),
__DEFINE_LINK_MODE_NAME(800000, DR4_2, Full),
__DEFINE_LINK_MODE_NAME(800000, SR4, Full),
__DEFINE_LINK_MODE_NAME(800000, VR4, Full),
__DEFINE_LINK_MODE_NAME(1600000, CR8, Full),
__DEFINE_LINK_MODE_NAME(1600000, KR8, Full),
__DEFINE_LINK_MODE_NAME(1600000, DR8, Full),
__DEFINE_LINK_MODE_NAME(1600000, DR8_2, Full),
};
static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS);
#define __LINK_MODE_LANES_CR 1
#define __LINK_MODE_LANES_CR2 2
#define __LINK_MODE_LANES_CR4 4
#define __LINK_MODE_LANES_CR8 8
#define __LINK_MODE_LANES_DR 1
#define __LINK_MODE_LANES_DR_2 1
#define __LINK_MODE_LANES_DR2 2
#define __LINK_MODE_LANES_DR2_2 2
#define __LINK_MODE_LANES_DR4 4
#define __LINK_MODE_LANES_DR4_2 4
#define __LINK_MODE_LANES_DR8 8
#define __LINK_MODE_LANES_KR 1
#define __LINK_MODE_LANES_KR2 2
#define __LINK_MODE_LANES_KR4 4
#define __LINK_MODE_LANES_KR8 8
#define __LINK_MODE_LANES_SR 1
#define __LINK_MODE_LANES_SR2 2
#define __LINK_MODE_LANES_SR4 4
#define __LINK_MODE_LANES_SR8 8
#define __LINK_MODE_LANES_ER 1
#define __LINK_MODE_LANES_KX 1
#define __LINK_MODE_LANES_KX4 4
#define __LINK_MODE_LANES_LR 1
#define __LINK_MODE_LANES_LR4 4
#define __LINK_MODE_LANES_LR4_ER4 4
#define __LINK_MODE_LANES_LR_ER_FR 1
#define __LINK_MODE_LANES_LR2_ER2_FR2 2
#define __LINK_MODE_LANES_LR4_ER4_FR4 4
#define __LINK_MODE_LANES_LR8_ER8_FR8 8
#define __LINK_MODE_LANES_LRM 1
#define __LINK_MODE_LANES_MLD2 2
#define __LINK_MODE_LANES_T 1
#define __LINK_MODE_LANES_T1 1
#define __LINK_MODE_LANES_X 1
#define __LINK_MODE_LANES_FX 1
#define __LINK_MODE_LANES_T1L 1
#define __LINK_MODE_LANES_T1S 1
#define __LINK_MODE_LANES_T1S_P2MP 1
#define __LINK_MODE_LANES_VR 1
#define __LINK_MODE_LANES_VR2 2
#define __LINK_MODE_LANES_VR4 4
#define __LINK_MODE_LANES_VR8 8
#define __LINK_MODE_LANES_DR8_2 8
#define __LINK_MODE_LANES_T1BRR 1
#define __DEFINE_LINK_MODE_PARAMS_PAIRS(_speed, _type, _min_pairs, _pairs, _duplex, _medium) \
[ETHTOOL_LINK_MODE(_speed, _type, _duplex)] = { \
.speed = SPEED_ ## _speed, \
.lanes = __LINK_MODE_LANES_ ## _type, \
.min_pairs = _min_pairs, \
.pairs = _pairs, \
.duplex = __DUPLEX_ ## _duplex, \
.mediums = BIT(ETHTOOL_LINK_MEDIUM_BASE ## _medium) \
}
#define __DEFINE_LINK_MODE_PARAMS(_speed, _type, _duplex, _medium) \
[ETHTOOL_LINK_MODE(_speed, _type, _duplex)] = { \
.speed = SPEED_ ## _speed, \
.lanes = __LINK_MODE_LANES_ ## _type, \
.min_pairs = 0, \
.pairs = 0, \
.duplex = __DUPLEX_ ## _duplex, \
.mediums = BIT(ETHTOOL_LINK_MEDIUM_BASE ## _medium) \
}
#define __DEFINE_LINK_MODE_PARAMS_MEDIUMS(_speed, _type, _duplex, _mediums) \
[ETHTOOL_LINK_MODE(_speed, _type, _duplex)] = { \
.speed = SPEED_ ## _speed, \
.lanes = __LINK_MODE_LANES_ ## _type, \
.min_pairs = 0, \
.pairs = 0, \
.duplex = __DUPLEX_ ## _duplex, \
.mediums = (_mediums) \
}
#define __MED(_medium) (BIT(ETHTOOL_LINK_MEDIUM_BASE ## _medium))
#define __DUPLEX_Half DUPLEX_HALF
#define __DUPLEX_Full DUPLEX_FULL
#define __DEFINE_SPECIAL_MODE_PARAMS(_mode) \
[ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = { \
.speed = SPEED_UNKNOWN, \
.lanes = 0, \
.duplex = DUPLEX_UNKNOWN, \
.mediums = BIT(ETHTOOL_LINK_MEDIUM_NONE), \
}
const struct link_mode_info link_mode_params[] = {
__DEFINE_LINK_MODE_PARAMS_PAIRS(10, T, 2, 4, Half, T),
__DEFINE_LINK_MODE_PARAMS_PAIRS(10, T, 2, 4, Full, T),
__DEFINE_LINK_MODE_PARAMS_PAIRS(100, T, 2, 4, Half, T),
__DEFINE_LINK_MODE_PARAMS_PAIRS(100, T, 2, 4, Full, T),
__DEFINE_LINK_MODE_PARAMS_PAIRS(1000, T, 4, 4, Half, T),
__DEFINE_LINK_MODE_PARAMS_PAIRS(1000, T, 4, 4, Full, T),
__DEFINE_SPECIAL_MODE_PARAMS(Autoneg),
__DEFINE_SPECIAL_MODE_PARAMS(TP),
__DEFINE_SPECIAL_MODE_PARAMS(AUI),
__DEFINE_SPECIAL_MODE_PARAMS(MII),
__DEFINE_SPECIAL_MODE_PARAMS(FIBRE),
__DEFINE_SPECIAL_MODE_PARAMS(BNC),
__DEFINE_LINK_MODE_PARAMS_PAIRS(10000, T, 4, 4, Full, T),
__DEFINE_SPECIAL_MODE_PARAMS(Pause),
__DEFINE_SPECIAL_MODE_PARAMS(Asym_Pause),
__DEFINE_LINK_MODE_PARAMS_MEDIUMS(2500, X, Full,
__MED(C) | __MED(S) | __MED(L)),
__DEFINE_SPECIAL_MODE_PARAMS(Backplane),
__DEFINE_LINK_MODE_PARAMS(1000, KX, Full, K),
__DEFINE_LINK_MODE_PARAMS(10000, KX4, Full, K),
__DEFINE_LINK_MODE_PARAMS(10000, KR, Full, K),
[ETHTOOL_LINK_MODE_10000baseR_FEC_BIT] = {
.speed = SPEED_10000,
.lanes = 1,
.duplex = DUPLEX_FULL,
},
__DEFINE_LINK_MODE_PARAMS(20000, MLD2, Full, MLD),
__DEFINE_LINK_MODE_PARAMS(20000, KR2, Full, K),
__DEFINE_LINK_MODE_PARAMS(40000, KR4, Full, K),
__DEFINE_LINK_MODE_PARAMS(40000, CR4, Full, C),
__DEFINE_LINK_MODE_PARAMS(40000, SR4, Full, S),
__DEFINE_LINK_MODE_PARAMS(40000, LR4, Full, L),
__DEFINE_LINK_MODE_PARAMS(56000, KR4, Full, K),
__DEFINE_LINK_MODE_PARAMS(56000, CR4, Full, C),
__DEFINE_LINK_MODE_PARAMS(56000, SR4, Full, S),
__DEFINE_LINK_MODE_PARAMS(56000, LR4, Full, L),
__DEFINE_LINK_MODE_PARAMS(25000, CR, Full, C),
__DEFINE_LINK_MODE_PARAMS(25000, KR, Full, K),
__DEFINE_LINK_MODE_PARAMS(25000, SR, Full, S),
__DEFINE_LINK_MODE_PARAMS(50000, CR2, Full, C),
__DEFINE_LINK_MODE_PARAMS(50000, KR2, Full, K),
__DEFINE_LINK_MODE_PARAMS(100000, KR4, Full, K),
__DEFINE_LINK_MODE_PARAMS(100000, SR4, Full, S),
__DEFINE_LINK_MODE_PARAMS(100000, CR4, Full, C),
__DEFINE_LINK_MODE_PARAMS_MEDIUMS(100000, LR4_ER4, Full,
__MED(L) | __MED(E)),
__DEFINE_LINK_MODE_PARAMS(50000, SR2, Full, S),
__DEFINE_LINK_MODE_PARAMS_MEDIUMS(1000, X, Full,
__MED(C) | __MED(S) | __MED(L)),
__DEFINE_LINK_MODE_PARAMS(10000, CR, Full, C),
__DEFINE_LINK_MODE_PARAMS(10000, SR, Full, S),
__DEFINE_LINK_MODE_PARAMS(10000, LR, Full, L),
__DEFINE_LINK_MODE_PARAMS(10000, LRM, Full, L),
__DEFINE_LINK_MODE_PARAMS(10000, ER, Full, E),
__DEFINE_LINK_MODE_PARAMS_PAIRS(2500, T, 4, 4, Full, T),
__DEFINE_LINK_MODE_PARAMS_PAIRS(5000, T, 4, 4, Full, T),
__DEFINE_SPECIAL_MODE_PARAMS(FEC_NONE),
__DEFINE_SPECIAL_MODE_PARAMS(FEC_RS),
__DEFINE_SPECIAL_MODE_PARAMS(FEC_BASER),
__DEFINE_LINK_MODE_PARAMS(50000, KR, Full, K),
__DEFINE_LINK_MODE_PARAMS(50000, SR, Full, S),
__DEFINE_LINK_MODE_PARAMS(50000, CR, Full, C),
__DEFINE_LINK_MODE_PARAMS_MEDIUMS(50000, LR_ER_FR, Full,
__MED(L) | __MED(E) | __MED(F)),
__DEFINE_LINK_MODE_PARAMS(50000, DR, Full, D),
__DEFINE_LINK_MODE_PARAMS(100000, KR2, Full, K),
__DEFINE_LINK_MODE_PARAMS(100000, SR2, Full, S),
__DEFINE_LINK_MODE_PARAMS(100000, CR2, Full, C),
__DEFINE_LINK_MODE_PARAMS_MEDIUMS(100000, LR2_ER2_FR2, Full,
__MED(L) | __MED(E) | __MED(F)),
__DEFINE_LINK_MODE_PARAMS(100000, DR2, Full, D),
__DEFINE_LINK_MODE_PARAMS(200000, KR4, Full, K),
__DEFINE_LINK_MODE_PARAMS(200000, SR4, Full, S),
__DEFINE_LINK_MODE_PARAMS_MEDIUMS(200000, LR4_ER4_FR4, Full,
__MED(L) | __MED(E) | __MED(F)),
__DEFINE_LINK_MODE_PARAMS(200000, DR4, Full, D),
__DEFINE_LINK_MODE_PARAMS(200000, CR4, Full, C),
__DEFINE_LINK_MODE_PARAMS_PAIRS(100, T1, 1, 1, Full, T),
__DEFINE_LINK_MODE_PARAMS_PAIRS(1000, T1, 1, 1, Full, T),
__DEFINE_LINK_MODE_PARAMS(400000, KR8, Full, K),
__DEFINE_LINK_MODE_PARAMS(400000, SR8, Full, S),
__DEFINE_LINK_MODE_PARAMS_MEDIUMS(400000, LR8_ER8_FR8, Full,
__MED(L) | __MED(E) | __MED(F)),
__DEFINE_LINK_MODE_PARAMS(400000, DR8, Full, D),
__DEFINE_LINK_MODE_PARAMS(400000, CR8, Full, C),
__DEFINE_SPECIAL_MODE_PARAMS(FEC_LLRS),
__DEFINE_LINK_MODE_PARAMS(100000, KR, Full, K),
__DEFINE_LINK_MODE_PARAMS(100000, SR, Full, S),
__DEFINE_LINK_MODE_PARAMS_MEDIUMS(100000, LR_ER_FR, Full,
__MED(L) | __MED(E) | __MED(F)),
__DEFINE_LINK_MODE_PARAMS(100000, DR, Full, D),
__DEFINE_LINK_MODE_PARAMS(100000, CR, Full, C),
__DEFINE_LINK_MODE_PARAMS(200000, KR2, Full, K),
__DEFINE_LINK_MODE_PARAMS(200000, SR2, Full, S),
__DEFINE_LINK_MODE_PARAMS_MEDIUMS(200000, LR2_ER2_FR2, Full,
__MED(L) | __MED(E) | __MED(F)),
__DEFINE_LINK_MODE_PARAMS(200000, DR2, Full, D),
__DEFINE_LINK_MODE_PARAMS(200000, CR2, Full, C),
__DEFINE_LINK_MODE_PARAMS(400000, KR4, Full, K),
__DEFINE_LINK_MODE_PARAMS(400000, SR4, Full, S),
__DEFINE_LINK_MODE_PARAMS_MEDIUMS(400000, LR4_ER4_FR4, Full,
__MED(L) | __MED(E) | __MED(F)),
__DEFINE_LINK_MODE_PARAMS(400000, DR4, Full, D),
__DEFINE_LINK_MODE_PARAMS(400000, CR4, Full, C),
__DEFINE_LINK_MODE_PARAMS(100, FX, Half, F),
__DEFINE_LINK_MODE_PARAMS(100, FX, Full, F),
__DEFINE_LINK_MODE_PARAMS_PAIRS(10, T1L, 1, 1, Full, T),
__DEFINE_LINK_MODE_PARAMS(800000, CR8, Full, C),
__DEFINE_LINK_MODE_PARAMS(800000, KR8, Full, K),
__DEFINE_LINK_MODE_PARAMS(800000, DR8, Full, D),
__DEFINE_LINK_MODE_PARAMS(800000, DR8_2, Full, D),
__DEFINE_LINK_MODE_PARAMS(800000, SR8, Full, S),
__DEFINE_LINK_MODE_PARAMS(800000, VR8, Full, V),
__DEFINE_LINK_MODE_PARAMS_PAIRS(10, T1S, 1, 1, Full, T),
__DEFINE_LINK_MODE_PARAMS_PAIRS(10, T1S, 1, 1, Half, T),
__DEFINE_LINK_MODE_PARAMS_PAIRS(10, T1S_P2MP, 1, 1, Half, T),
__DEFINE_LINK_MODE_PARAMS_PAIRS(10, T1BRR, 1, 1, Full, T),
__DEFINE_LINK_MODE_PARAMS(200000, CR, Full, C),
__DEFINE_LINK_MODE_PARAMS(200000, KR, Full, K),
__DEFINE_LINK_MODE_PARAMS(200000, DR, Full, D),
__DEFINE_LINK_MODE_PARAMS(200000, DR_2, Full, D),
__DEFINE_LINK_MODE_PARAMS(200000, SR, Full, S),
__DEFINE_LINK_MODE_PARAMS(200000, VR, Full, V),
__DEFINE_LINK_MODE_PARAMS(400000, CR2, Full, C),
__DEFINE_LINK_MODE_PARAMS(400000, KR2, Full, K),
__DEFINE_LINK_MODE_PARAMS(400000, DR2, Full, D),
__DEFINE_LINK_MODE_PARAMS(400000, DR2_2, Full, D),
__DEFINE_LINK_MODE_PARAMS(400000, SR2, Full, S),
__DEFINE_LINK_MODE_PARAMS(400000, VR2, Full, V),
__DEFINE_LINK_MODE_PARAMS(800000, CR4, Full, C),
__DEFINE_LINK_MODE_PARAMS(800000, KR4, Full, K),
__DEFINE_LINK_MODE_PARAMS(800000, DR4, Full, D),
__DEFINE_LINK_MODE_PARAMS(800000, DR4_2, Full, D),
__DEFINE_LINK_MODE_PARAMS(800000, SR4, Full, S),
__DEFINE_LINK_MODE_PARAMS(800000, VR4, Full, V),
__DEFINE_LINK_MODE_PARAMS(1600000, CR8, Full, C),
__DEFINE_LINK_MODE_PARAMS(1600000, KR8, Full, K),
__DEFINE_LINK_MODE_PARAMS(1600000, DR8, Full, D),
__DEFINE_LINK_MODE_PARAMS(1600000, DR8_2, Full, D),
};
static_assert(ARRAY_SIZE(link_mode_params) == __ETHTOOL_LINK_MODE_MASK_NBITS);
EXPORT_SYMBOL_GPL(link_mode_params);
static const char ethtool_link_medium_names[][ETH_GSTRING_LEN] = {
[ETHTOOL_LINK_MEDIUM_BASET] = "BaseT",
[ETHTOOL_LINK_MEDIUM_BASEK] = "BaseK",
[ETHTOOL_LINK_MEDIUM_BASES] = "BaseS",
[ETHTOOL_LINK_MEDIUM_BASEC] = "BaseC",
[ETHTOOL_LINK_MEDIUM_BASEL] = "BaseL",
[ETHTOOL_LINK_MEDIUM_BASED] = "BaseD",
[ETHTOOL_LINK_MEDIUM_BASEE] = "BaseE",
[ETHTOOL_LINK_MEDIUM_BASEF] = "BaseF",
[ETHTOOL_LINK_MEDIUM_BASEV] = "BaseV",
[ETHTOOL_LINK_MEDIUM_BASEMLD] = "BaseMLD",
[ETHTOOL_LINK_MEDIUM_NONE] = "None",
};
static_assert(ARRAY_SIZE(ethtool_link_medium_names) == __ETHTOOL_LINK_MEDIUM_LAST);
const char netif_msg_class_names[][ETH_GSTRING_LEN] = {
[NETIF_MSG_DRV_BIT] = "drv",
[NETIF_MSG_PROBE_BIT] = "probe",
[NETIF_MSG_LINK_BIT] = "link",
[NETIF_MSG_TIMER_BIT] = "timer",
[NETIF_MSG_IFDOWN_BIT] = "ifdown",
[NETIF_MSG_IFUP_BIT] = "ifup",
[NETIF_MSG_RX_ERR_BIT] = "rx_err",
[NETIF_MSG_TX_ERR_BIT] = "tx_err",
[NETIF_MSG_TX_QUEUED_BIT] = "tx_queued",
[NETIF_MSG_INTR_BIT] = "intr",
[NETIF_MSG_TX_DONE_BIT] = "tx_done",
[NETIF_MSG_RX_STATUS_BIT] = "rx_status",
[NETIF_MSG_PKTDATA_BIT] = "pktdata",
[NETIF_MSG_HW_BIT] = "hw",
[NETIF_MSG_WOL_BIT] = "wol",
};
static_assert(ARRAY_SIZE(netif_msg_class_names) == NETIF_MSG_CLASS_COUNT);
const char wol_mode_names[][ETH_GSTRING_LEN] = {
[const_ilog2(WAKE_PHY)] = "phy",
[const_ilog2(WAKE_UCAST)] = "ucast",
[const_ilog2(WAKE_MCAST)] = "mcast",
[const_ilog2(WAKE_BCAST)] = "bcast",
[const_ilog2(WAKE_ARP)] = "arp",
[const_ilog2(WAKE_MAGIC)] = "magic",
[const_ilog2(WAKE_MAGICSECURE)] = "magicsecure",
[const_ilog2(WAKE_FILTER)] = "filter",
};
static_assert(ARRAY_SIZE(wol_mode_names) == WOL_MODE_COUNT);
const char sof_timestamping_names[][ETH_GSTRING_LEN] = {
[const_ilog2(SOF_TIMESTAMPING_TX_HARDWARE)] = "hardware-transmit",
[const_ilog2(SOF_TIMESTAMPING_TX_SOFTWARE)] = "software-transmit",
[const_ilog2(SOF_TIMESTAMPING_RX_HARDWARE)] = "hardware-receive",
[const_ilog2(SOF_TIMESTAMPING_RX_SOFTWARE)] = "software-receive",
[const_ilog2(SOF_TIMESTAMPING_SOFTWARE)] = "software-system-clock",
[const_ilog2(SOF_TIMESTAMPING_SYS_HARDWARE)] = "hardware-legacy-clock",
[const_ilog2(SOF_TIMESTAMPING_RAW_HARDWARE)] = "hardware-raw-clock",
[const_ilog2(SOF_TIMESTAMPING_OPT_ID)] = "option-id",
[const_ilog2(SOF_TIMESTAMPING_TX_SCHED)] = "sched-transmit",
[const_ilog2(SOF_TIMESTAMPING_TX_ACK)] = "ack-transmit",
[const_ilog2(SOF_TIMESTAMPING_OPT_CMSG)] = "option-cmsg",
[const_ilog2(SOF_TIMESTAMPING_OPT_TSONLY)] = "option-tsonly",
[const_ilog2(SOF_TIMESTAMPING_OPT_STATS)] = "option-stats",
[const_ilog2(SOF_TIMESTAMPING_OPT_PKTINFO)] = "option-pktinfo",
[const_ilog2(SOF_TIMESTAMPING_OPT_TX_SWHW)] = "option-tx-swhw",
[const_ilog2(SOF_TIMESTAMPING_BIND_PHC)] = "bind-phc",
[const_ilog2(SOF_TIMESTAMPING_OPT_ID_TCP)] = "option-id-tcp",
[const_ilog2(SOF_TIMESTAMPING_OPT_RX_FILTER)] = "option-rx-filter",
[const_ilog2(SOF_TIMESTAMPING_TX_COMPLETION)] = "tx-completion",
};
static_assert(ARRAY_SIZE(sof_timestamping_names) == __SOF_TIMESTAMPING_CNT);
const char ts_tx_type_names[][ETH_GSTRING_LEN] = {
[HWTSTAMP_TX_OFF] = "off",
[HWTSTAMP_TX_ON] = "on",
[HWTSTAMP_TX_ONESTEP_SYNC] = "onestep-sync",
[HWTSTAMP_TX_ONESTEP_P2P] = "onestep-p2p",
};
static_assert(ARRAY_SIZE(ts_tx_type_names) == __HWTSTAMP_TX_CNT);
const char ts_rx_filter_names[][ETH_GSTRING_LEN] = {
[HWTSTAMP_FILTER_NONE] = "none",
[HWTSTAMP_FILTER_ALL] = "all",
[HWTSTAMP_FILTER_SOME] = "some",
[HWTSTAMP_FILTER_PTP_V1_L4_EVENT] = "ptpv1-l4-event",
[HWTSTAMP_FILTER_PTP_V1_L4_SYNC] = "ptpv1-l4-sync",
[HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ] = "ptpv1-l4-delay-req",
[HWTSTAMP_FILTER_PTP_V2_L4_EVENT] = "ptpv2-l4-event",
[HWTSTAMP_FILTER_PTP_V2_L4_SYNC] = "ptpv2-l4-sync",
[HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ] = "ptpv2-l4-delay-req",
[HWTSTAMP_FILTER_PTP_V2_L2_EVENT] = "ptpv2-l2-event",
[HWTSTAMP_FILTER_PTP_V2_L2_SYNC] = "ptpv2-l2-sync",
[HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ] = "ptpv2-l2-delay-req",
[HWTSTAMP_FILTER_PTP_V2_EVENT] = "ptpv2-event",
[HWTSTAMP_FILTER_PTP_V2_SYNC] = "ptpv2-sync",
[HWTSTAMP_FILTER_PTP_V2_DELAY_REQ] = "ptpv2-delay-req",
[HWTSTAMP_FILTER_NTP_ALL] = "ntp-all",
};
static_assert(ARRAY_SIZE(ts_rx_filter_names) == __HWTSTAMP_FILTER_CNT);
const char ts_flags_names[][ETH_GSTRING_LEN] = {
[const_ilog2(HWTSTAMP_FLAG_BONDED_PHC_INDEX)] = "bonded-phc-index",
};
static_assert(ARRAY_SIZE(ts_flags_names) == __HWTSTAMP_FLAG_CNT);
const char udp_tunnel_type_names[][ETH_GSTRING_LEN] = {
[ETHTOOL_UDP_TUNNEL_TYPE_VXLAN] = "vxlan",
[ETHTOOL_UDP_TUNNEL_TYPE_GENEVE] = "geneve",
[ETHTOOL_UDP_TUNNEL_TYPE_VXLAN_GPE] = "vxlan-gpe",
};
static_assert(ARRAY_SIZE(udp_tunnel_type_names) ==
__ETHTOOL_UDP_TUNNEL_TYPE_CNT);
/* return false if legacy contained non-0 deprecated fields
* maxtxpkt/maxrxpkt. rest of ksettings always updated
*/
bool
convert_legacy_settings_to_link_ksettings(
struct ethtool_link_ksettings *link_ksettings,
const struct ethtool_cmd *legacy_settings)
{
bool retval = true;
memset(link_ksettings, 0, sizeof(*link_ksettings));
/* This is used to tell users that driver is still using these
* deprecated legacy fields, and they should not use
* %ETHTOOL_GLINKSETTINGS/%ETHTOOL_SLINKSETTINGS
*/
if (legacy_settings->maxtxpkt ||
legacy_settings->maxrxpkt)
retval = false;
ethtool_convert_legacy_u32_to_link_mode(
link_ksettings->link_modes.supported,
legacy_settings->supported);
ethtool_convert_legacy_u32_to_link_mode(
link_ksettings->link_modes.advertising,
legacy_settings->advertising);
ethtool_convert_legacy_u32_to_link_mode(
link_ksettings->link_modes.lp_advertising,
legacy_settings->lp_advertising);
link_ksettings->base.speed
= ethtool_cmd_speed(legacy_settings);
link_ksettings->base.duplex
= legacy_settings->duplex;
link_ksettings->base.port
= legacy_settings->port;
link_ksettings->base.phy_address
= legacy_settings->phy_address;
link_ksettings->base.autoneg
= legacy_settings->autoneg;
link_ksettings->base.mdio_support
= legacy_settings->mdio_support;
link_ksettings->base.eth_tp_mdix
= legacy_settings->eth_tp_mdix;
link_ksettings->base.eth_tp_mdix_ctrl
= legacy_settings->eth_tp_mdix_ctrl;
return retval;
}
int __ethtool_get_link(struct net_device *dev)
{
if (!dev->ethtool_ops->get_link)
return -EOPNOTSUPP;
return netif_running(dev) && dev->ethtool_ops->get_link(dev);
}
int ethtool_get_rx_ring_count(struct net_device *dev)
{
const struct ethtool_ops *ops = dev->ethtool_ops;
if (!ops->get_rx_ring_count)
return -EOPNOTSUPP;
return ops->get_rx_ring_count(dev);
}
static int ethtool_get_rxnfc_rule_count(struct net_device *dev)
{
const struct ethtool_ops *ops = dev->ethtool_ops;
struct ethtool_rxnfc info = {
.cmd = ETHTOOL_GRXCLSRLCNT,
};
int err;
err = ops->get_rxnfc(dev, &info, NULL);
if (err)
return err;
return info.rule_cnt;
}
/* Max offset for one RSS context */
static u32 ethtool_get_rss_ctx_max_channel(struct ethtool_rxfh_context *ctx)
{
u32 max_ring = 0;
u32 i, *tbl;
if (WARN_ON_ONCE(!ctx))
return 0;
tbl = ethtool_rxfh_context_indir(ctx);
for (i = 0; i < ctx->indir_size; i++)
max_ring = max(max_ring, tbl[i]);
return max_ring;
}
static int ethtool_get_max_rxnfc_channel(struct net_device *dev, u64 *max)
{
const struct ethtool_ops *ops = dev->ethtool_ops;
struct ethtool_rxnfc *info;
int err, i, rule_cnt;
u64 max_ring = 0;
if (!ops->get_rxnfc)
return -EOPNOTSUPP;
rule_cnt = ethtool_get_rxnfc_rule_count(dev);
if (rule_cnt <= 0)
return -EINVAL;
info = kvzalloc_flex(*info, rule_locs, rule_cnt);
if (!info)
return -ENOMEM;
info->cmd = ETHTOOL_GRXCLSRLALL;
info->rule_cnt = rule_cnt;
err = ops->get_rxnfc(dev, info, info->rule_locs);
if (err)
goto err_free_info;
for (i = 0; i < rule_cnt; i++) {
struct ethtool_rxnfc rule_info = {
.cmd = ETHTOOL_GRXCLSRULE,
.fs.location = info->rule_locs[i],
};
err = ops->get_rxnfc(dev, &rule_info, NULL);
if (err)
goto err_free_info;
if (rule_info.fs.ring_cookie != RX_CLS_FLOW_DISC &&
rule_info.fs.ring_cookie != RX_CLS_FLOW_WAKE &&
!ethtool_get_flow_spec_ring_vf(rule_info.fs.ring_cookie)) {
u64 ring = rule_info.fs.ring_cookie;
if (rule_info.flow_type & FLOW_RSS) {
struct ethtool_rxfh_context *ctx;
ctx = xa_load(&dev->ethtool->rss_ctx,
rule_info.rss_context);
ring += ethtool_get_rss_ctx_max_channel(ctx);
}
max_ring = max_t(u64, max_ring, ring);
}
}
kvfree(info);
*max = max_ring;
return 0;
err_free_info:
kvfree(info);
return err;
}
/* Max offset across all of a device's RSS contexts */
static u32 ethtool_get_max_rss_ctx_channel(struct net_device *dev)
{
struct ethtool_rxfh_context *ctx;
unsigned long context;
u32 max_ring = 0;
mutex_lock(&dev->ethtool->rss_lock);
xa_for_each(&dev->ethtool->rss_ctx, context, ctx)
max_ring = max(max_ring, ethtool_get_rss_ctx_max_channel(ctx));
mutex_unlock(&dev->ethtool->rss_lock);
return max_ring;
}
static u32 ethtool_get_max_rxfh_channel(struct net_device *dev)
{
struct ethtool_rxfh_param rxfh = {};
u32 dev_size, current_max = 0;
int ret;
/* While we do track whether RSS context has an indirection
* table explicitly set by the user, no driver looks at that bit.
* Assume drivers won't auto-regenerate the additional tables,
* to be safe.
*/
current_max = ethtool_get_max_rss_ctx_channel(dev);
if (!netif_is_rxfh_configured(dev))
return current_max;
if (!dev->ethtool_ops->get_rxfh_indir_size ||
!dev->ethtool_ops->get_rxfh)
return current_max;
dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev);
if (dev_size == 0)
return current_max;
rxfh.indir = kzalloc_objs(rxfh.indir[0], dev_size, GFP_USER);
if (!rxfh.indir)
return U32_MAX;
mutex_lock(&dev->ethtool->rss_lock);
ret = dev->ethtool_ops->get_rxfh(dev, &rxfh);
mutex_unlock(&dev->ethtool->rss_lock);
if (ret) {
current_max = U32_MAX;
goto out_free;
}
while (dev_size--)
current_max = max(current_max, rxfh.indir[dev_size]);
out_free:
kfree(rxfh.indir);
return current_max;
}
int ethtool_check_max_channel(struct net_device *dev,
struct ethtool_channels channels,
struct genl_info *info)
{
u64 max_rxnfc_in_use;
u32 max_rxfh_in_use;
int max_mp_in_use;
/* ensure the new Rx count fits within the configured Rx flow
* indirection table/rxnfc settings
*/
if (ethtool_get_max_rxnfc_channel(dev, &max_rxnfc_in_use))
max_rxnfc_in_use = 0;
max_rxfh_in_use = ethtool_get_max_rxfh_channel(dev);
if (channels.combined_count + channels.rx_count <= max_rxfh_in_use) {
if (info)
GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing indirection table (%d)", max_rxfh_in_use);
return -EINVAL;
}
if (channels.combined_count + channels.rx_count <= max_rxnfc_in_use) {
if (info)
GENL_SET_ERR_MSG(info, "requested channel counts are too low for existing ntuple filter settings");
return -EINVAL;
}
max_mp_in_use = dev_get_min_mp_channel_count(dev);
if (channels.combined_count + channels.rx_count <= max_mp_in_use) {
if (info)
GENL_SET_ERR_MSG_FMT(info, "requested channel counts are too low for existing memory provider setting (%d)", max_mp_in_use);
return -EINVAL;
}
return 0;
}
int ethtool_check_rss_ctx_busy(struct net_device *dev, u32 rss_context)
{
const struct ethtool_ops *ops = dev->ethtool_ops;
struct ethtool_rxnfc *info;
int rc, i, rule_cnt;
if (!ops->get_rxnfc)
return 0;
rule_cnt = ethtool_get_rxnfc_rule_count(dev);
if (!rule_cnt)
return 0;
if (rule_cnt < 0)
return -EINVAL;
info = kvzalloc_flex(*info, rule_locs, rule_cnt);
if (!info)
return -ENOMEM;
info->cmd = ETHTOOL_GRXCLSRLALL;
info->rule_cnt = rule_cnt;
rc = ops->get_rxnfc(dev, info, info->rule_locs);
if (rc)
goto out_free;
for (i = 0; i < rule_cnt; i++) {
struct ethtool_rxnfc rule_info = {
.cmd = ETHTOOL_GRXCLSRULE,
.fs.location = info->rule_locs[i],
};
rc = ops->get_rxnfc(dev, &rule_info, NULL);
if (rc)
goto out_free;
if (rule_info.fs.flow_type & FLOW_RSS &&
rule_info.rss_context == rss_context) {
rc = -EBUSY;
goto out_free;
}
}
out_free:
kvfree(info);
return rc;
}
struct ethtool_rxfh_context *
ethtool_rxfh_ctx_alloc(const struct ethtool_ops *ops,
u32 indir_size, u32 key_size)
{
size_t indir_bytes, flex_len, key_off, size;
struct ethtool_rxfh_context *ctx;
u32 priv_bytes, indir_max;
u16 key_max;
key_max = max(key_size, ops->rxfh_key_space);
indir_max = max(indir_size, ops->rxfh_indir_space);
priv_bytes = ALIGN(ops->rxfh_priv_size, sizeof(u32));
indir_bytes = array_size(indir_max, sizeof(u32));
key_off = size_add(priv_bytes, indir_bytes);
flex_len = size_add(key_off, key_max);
size = struct_size_t(struct ethtool_rxfh_context, data, flex_len);
ctx = kzalloc(size, GFP_KERNEL_ACCOUNT);
if (!ctx)
return NULL;
ctx->indir_size = indir_size;
ctx->key_size = key_size;
ctx->key_off = key_off;
ctx->priv_size = ops->rxfh_priv_size;
return ctx;
}
/* Check if fields configured for flow hash are symmetric - if src is included
* so is dst and vice versa.
*/
int ethtool_rxfh_config_is_sym(u64 rxfh)
{
bool sym;
sym = rxfh == (rxfh & (RXH_IP_SRC | RXH_IP_DST |
RXH_L4_B_0_1 | RXH_L4_B_2_3));
sym &= !!(rxfh & RXH_IP_SRC) == !!(rxfh & RXH_IP_DST);
sym &= !!(rxfh & RXH_L4_B_0_1) == !!(rxfh & RXH_L4_B_2_3);
return sym;
}
int ethtool_check_ops(const struct ethtool_ops *ops)
{
if (WARN_ON(ops->set_coalesce && !ops->supported_coalesce_params))
return -EINVAL;
if (WARN_ON(ops->rxfh_max_num_contexts == 1))
return -EINVAL;
if (WARN_ON(ops->supported_input_xfrm && !ops->get_rxfh_fields))
return -EINVAL;
if (WARN_ON(ops->supported_input_xfrm &&
ops->rxfh_per_ctx_fields != ops->rxfh_per_ctx_key))
return -EINVAL;
/* NOTE: sufficiently insane drivers may swap ethtool_ops at runtime,
* the fact that ops are checked at registration time does not
* mean the ops attached to a netdev later on are sane.
*/
return 0;
}
void ethtool_ringparam_get_cfg(struct net_device *dev,
struct ethtool_ringparam *param,
struct kernel_ethtool_ringparam *kparam,
struct netlink_ext_ack *extack)
{
memset(param, 0, sizeof(*param));
memset(kparam, 0, sizeof(*kparam));
param->cmd = ETHTOOL_GRINGPARAM;
dev->ethtool_ops->get_ringparam(dev, param, kparam, extack);
/* Driver gives us current state, we want to return current config */
kparam->tcp_data_split = dev->cfg->hds_config;
kparam->hds_thresh = dev->cfg->hds_thresh;
}
static void ethtool_init_tsinfo(struct kernel_ethtool_ts_info *info)
{
memset(info, 0, sizeof(*info));
info->cmd = ETHTOOL_GET_TS_INFO;
info->phc_index = -1;
}
int ethtool_net_get_ts_info_by_phc(struct net_device *dev,
struct kernel_ethtool_ts_info *info,
struct hwtstamp_provider_desc *hwprov_desc)
{
const struct ethtool_ops *ops = dev->ethtool_ops;
int err;
if (!ops->get_ts_info)
return -EOPNOTSUPP;
/* Does ptp comes from netdev */
ethtool_init_tsinfo(info);
info->phc_qualifier = hwprov_desc->qualifier;
err = ops->get_ts_info(dev, info);
if (err)
return err;
if (info->phc_index == hwprov_desc->index &&
net_support_hwtstamp_qualifier(dev, hwprov_desc->qualifier))
return 0;
return -ENODEV;
}
struct phy_device *
ethtool_phy_get_ts_info_by_phc(struct net_device *dev,
struct kernel_ethtool_ts_info *info,
struct hwtstamp_provider_desc *hwprov_desc)
{
int err;
/* Only precise qualifier is supported in phydev */
if (hwprov_desc->qualifier != HWTSTAMP_PROVIDER_QUALIFIER_PRECISE)
return ERR_PTR(-ENODEV);
/* Look in the phy topology */
if (dev->link_topo) {
struct phy_device_node *pdn;
unsigned long phy_index;
xa_for_each(&dev->link_topo->phys, phy_index, pdn) {
if (!phy_has_tsinfo(pdn->phy))
continue;
ethtool_init_tsinfo(info);
err = phy_ts_info(pdn->phy, info);
if (err)
return ERR_PTR(err);
if (info->phc_index == hwprov_desc->index)
return pdn->phy;
}
return ERR_PTR(-ENODEV);
}
/* Look on the dev->phydev */
if (phy_has_tsinfo(dev->phydev)) {
ethtool_init_tsinfo(info);
err = phy_ts_info(dev->phydev, info);
if (err)
return ERR_PTR(err);
if (info->phc_index == hwprov_desc->index)
return dev->phydev;
}
return ERR_PTR(-ENODEV);
}
int ethtool_get_ts_info_by_phc(struct net_device *dev,
struct kernel_ethtool_ts_info *info,
struct hwtstamp_provider_desc *hwprov_desc)
{
int err;
err = ethtool_net_get_ts_info_by_phc(dev, info, hwprov_desc);
if (err == -ENODEV || err == -EOPNOTSUPP) {
struct phy_device *phy;
phy = ethtool_phy_get_ts_info_by_phc(dev, info, hwprov_desc);
if (IS_ERR(phy))
return PTR_ERR(phy);
/* Report the phc source only if we have a real
* phc source with an index.
*/
if (info->phc_index >= 0) {
info->phc_source = HWTSTAMP_SOURCE_PHYLIB;
info->phc_phyindex = phy->phyindex;
}
err = 0;
} else if (!err && info->phc_index >= 0) {
info->phc_source = HWTSTAMP_SOURCE_NETDEV;
}
info->so_timestamping |= SOF_TIMESTAMPING_RX_SOFTWARE |
SOF_TIMESTAMPING_SOFTWARE;
return err;
}
int __ethtool_get_ts_info(struct net_device *dev,
struct kernel_ethtool_ts_info *info)
{
struct hwtstamp_provider *hwprov;
int err = 0;
rcu_read_lock();
hwprov = rcu_dereference(dev->hwprov);
/* No provider specified, use default behavior */
if (!hwprov) {
const struct ethtool_ops *ops = dev->ethtool_ops;
struct phy_device *phydev = dev->phydev;
ethtool_init_tsinfo(info);
if (phy_is_default_hwtstamp(phydev) &&
phy_has_tsinfo(phydev)) {
err = phy_ts_info(phydev, info);
/* Report the phc source only if we have a real
* phc source with an index.
*/
if (!err && info->phc_index >= 0) {
info->phc_source = HWTSTAMP_SOURCE_PHYLIB;
info->phc_phyindex = phydev->phyindex;
}
} else if (ops->get_ts_info) {
err = ops->get_ts_info(dev, info);
if (!err && info->phc_index >= 0)
info->phc_source = HWTSTAMP_SOURCE_NETDEV;
}
info->so_timestamping |= SOF_TIMESTAMPING_RX_SOFTWARE |
SOF_TIMESTAMPING_SOFTWARE;
rcu_read_unlock();
return err;
}
err = ethtool_get_ts_info_by_phc(dev, info, &hwprov->desc);
rcu_read_unlock();
return err;
}
bool net_support_hwtstamp_qualifier(struct net_device *dev,
enum hwtstamp_provider_qualifier qualifier)
{
const struct ethtool_ops *ops = dev->ethtool_ops;
if (!ops)
return false;
/* Return true with precise qualifier and with NIC without
* qualifier description to not break the old behavior.
*/
if (!ops->supported_hwtstamp_qualifiers &&
qualifier == HWTSTAMP_PROVIDER_QUALIFIER_PRECISE)
return true;
if (ops->supported_hwtstamp_qualifiers & BIT(qualifier))
return true;
return false;
}
int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index)
{
struct kernel_ethtool_ts_info info = { };
int num = 0;
if (!__ethtool_get_ts_info(dev, &info))
num = ptp_get_vclocks_index(info.phc_index, vclock_index);
return num;
}
EXPORT_SYMBOL(ethtool_get_phc_vclocks);
int ethtool_get_ts_info_by_layer(struct net_device *dev, struct kernel_ethtool_ts_info *info)
{
return __ethtool_get_ts_info(dev, info);
}
EXPORT_SYMBOL(ethtool_get_ts_info_by_layer);
const struct ethtool_phy_ops *ethtool_phy_ops;
void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops)
{
ASSERT_RTNL();
ethtool_phy_ops = ops;
}
EXPORT_SYMBOL_GPL(ethtool_set_ethtool_phy_ops);
void
ethtool_params_from_link_mode(struct ethtool_link_ksettings *link_ksettings,
enum ethtool_link_mode_bit_indices link_mode)
{
const struct link_mode_info *link_info;
if (WARN_ON_ONCE(link_mode >= __ETHTOOL_LINK_MODE_MASK_NBITS))
return;
link_info = &link_mode_params[link_mode];
link_ksettings->base.speed = link_info->speed;
link_ksettings->lanes = link_info->lanes;
link_ksettings->base.duplex = link_info->duplex;
}
EXPORT_SYMBOL_GPL(ethtool_params_from_link_mode);
/**
* ethtool_forced_speed_maps_init
* @maps: Pointer to an array of Ethtool forced speed map
* @size: Array size
*
* Initialize an array of Ethtool forced speed map to Ethtool link modes. This
* should be called during driver module init.
*/
void
ethtool_forced_speed_maps_init(struct ethtool_forced_speed_map *maps, u32 size)
{
for (u32 i = 0; i < size; i++) {
struct ethtool_forced_speed_map *map = &maps[i];
linkmode_set_bit_array(map->cap_arr, map->arr_size, map->caps);
map->cap_arr = NULL;
map->arr_size = 0;
}
}
EXPORT_SYMBOL_GPL(ethtool_forced_speed_maps_init);
void ethtool_rxfh_context_lost(struct net_device *dev, u32 context_id)
{
struct ethtool_rxfh_context *ctx;
WARN_ONCE(!rtnl_is_locked() &&
!lockdep_is_held_type(&dev->ethtool->rss_lock, -1),
"RSS context lock assertion failed\n");
netdev_err(dev, "device error, RSS context %d lost\n", context_id);
ctx = xa_erase(&dev->ethtool->rss_ctx, context_id);
kfree(ctx);
ethtool_rss_notify(dev, ETHTOOL_MSG_RSS_DELETE_NTF, context_id);
}
EXPORT_SYMBOL(ethtool_rxfh_context_lost);
bool netif_is_rxfh_configured(const struct net_device *dev)
{
return dev->ethtool->rss_indir_user_size;
}
EXPORT_SYMBOL(netif_is_rxfh_configured);
/**
* ethtool_rxfh_indir_lost - Notify core that the RSS indirection table was lost
* @dev: network device
*
* Drivers should call this when the device can no longer maintain the
* user-configured indirection table, typically after a HW fault recovery
* that reduced the maximum queue count. Marks the default RSS context
* indirection table as unconfigured and sends an %ETHTOOL_MSG_RSS_NTF
* notification.
*/
void ethtool_rxfh_indir_lost(struct net_device *dev)
{
WARN_ONCE(!rtnl_is_locked() &&
!lockdep_is_held_type(&dev->ethtool->rss_lock, -1),
"RSS context lock assertion failed\n");
netdev_err(dev, "device error, RSS indirection table lost\n");
dev->ethtool->rss_indir_user_size = 0;
ethtool_rss_notify(dev, ETHTOOL_MSG_RSS_NTF, 0);
}
EXPORT_SYMBOL(ethtool_rxfh_indir_lost);
static bool ethtool_rxfh_is_periodic(const u32 *tbl, u32 old_size, u32 new_size)
{
u32 i;
for (i = new_size; i < old_size; i++)
if (tbl[i] != tbl[i % new_size])
return false;
return true;
}
static bool ethtool_rxfh_can_resize(const u32 *tbl, u32 old_size, u32 new_size,
u32 user_size)
{
if (new_size == old_size)
return true;
if (!user_size)
return true;
if (new_size < old_size) {
if (new_size < user_size)
return false;
if (old_size % new_size)
return false;
if (!ethtool_rxfh_is_periodic(tbl, old_size, new_size))
return false;
return true;
}
if (new_size % old_size)
return false;
return true;
}
/* Resize without validation; caller must have called can_resize first */
static void ethtool_rxfh_resize(u32 *tbl, u32 old_size, u32 new_size)
{
u32 i;
/* Grow: replicate existing pattern; shrink is a no-op on the data */
for (i = old_size; i < new_size; i++)
tbl[i] = tbl[i % old_size];
}
/**
* ethtool_rxfh_indir_can_resize - Check if context 0 indir table can resize
* @dev: network device
* @tbl: indirection table
* @old_size: current number of entries in the table
* @new_size: desired number of entries
*
* Validate that @tbl can be resized from @old_size to @new_size without
* data loss. Uses the user_size floor from context 0. When user_size is
* zero the table is not user-configured and resize always succeeds.
* Read-only; does not modify the table.
*
* Return: true if resize is possible, false otherwise.
*/
bool ethtool_rxfh_indir_can_resize(struct net_device *dev, const u32 *tbl,
u32 old_size, u32 new_size)
{
return ethtool_rxfh_can_resize(tbl, old_size, new_size,
dev->ethtool->rss_indir_user_size);
}
EXPORT_SYMBOL(ethtool_rxfh_indir_can_resize);
/**
* ethtool_rxfh_indir_resize - Fold or unfold context 0 indirection table
* @dev: network device
* @tbl: indirection table (must have room for max(old_size, new_size) entries)
* @old_size: current number of entries in the table
* @new_size: desired number of entries
*
* Resize the default RSS context indirection table in place. Caller
* must have validated with ethtool_rxfh_indir_can_resize() first.
*/
void ethtool_rxfh_indir_resize(struct net_device *dev, u32 *tbl,
u32 old_size, u32 new_size)
{
if (!dev->ethtool->rss_indir_user_size)
return;
ethtool_rxfh_resize(tbl, old_size, new_size);
}
EXPORT_SYMBOL(ethtool_rxfh_indir_resize);
/**
* ethtool_rxfh_ctxs_can_resize - Validate resize for all RSS contexts
* @dev: network device
* @new_indir_size: new indirection table size
*
* Validate that the indirection tables of all non-default RSS contexts
* can be resized to @new_indir_size. Read-only; does not modify any
* context. Intended to be paired with ethtool_rxfh_ctxs_resize().
*
* Return: 0 if all contexts can be resized, negative errno on failure.
*/
int ethtool_rxfh_ctxs_can_resize(struct net_device *dev, u32 new_indir_size)
{
struct ethtool_rxfh_context *ctx;
unsigned long context;
int ret = 0;
if (!dev->ethtool_ops->rxfh_indir_space ||
new_indir_size > dev->ethtool_ops->rxfh_indir_space)
return -EINVAL;
mutex_lock(&dev->ethtool->rss_lock);
xa_for_each(&dev->ethtool->rss_ctx, context, ctx) {
u32 *indir = ethtool_rxfh_context_indir(ctx);
if (!ethtool_rxfh_can_resize(indir, ctx->indir_size,
new_indir_size,
ctx->indir_user_size)) {
ret = -EINVAL;
goto unlock;
}
}
unlock:
mutex_unlock(&dev->ethtool->rss_lock);
return ret;
}
EXPORT_SYMBOL(ethtool_rxfh_ctxs_can_resize);
/**
* ethtool_rxfh_ctxs_resize - Resize all RSS context indirection tables
* @dev: network device
* @new_indir_size: new indirection table size
*
* Resize the indirection table of every non-default RSS context to
* @new_indir_size. Caller must have validated with
* ethtool_rxfh_ctxs_can_resize() first. An %ETHTOOL_MSG_RSS_NTF is
* sent for each resized context.
*
* Notifications are sent outside the RSS lock to avoid holding the
* mutex during notification delivery.
*/
void ethtool_rxfh_ctxs_resize(struct net_device *dev, u32 new_indir_size)
{
struct ethtool_rxfh_context *ctx;
unsigned long context;
mutex_lock(&dev->ethtool->rss_lock);
xa_for_each(&dev->ethtool->rss_ctx, context, ctx) {
ethtool_rxfh_resize(ethtool_rxfh_context_indir(ctx),
ctx->indir_size, new_indir_size);
ctx->indir_size = new_indir_size;
}
mutex_unlock(&dev->ethtool->rss_lock);
xa_for_each(&dev->ethtool->rss_ctx, context, ctx)
ethtool_rss_notify(dev, ETHTOOL_MSG_RSS_NTF, context);
}
EXPORT_SYMBOL(ethtool_rxfh_ctxs_resize);
enum ethtool_link_medium ethtool_str_to_medium(const char *str)
{
int i;
for (i = 0; i < __ETHTOOL_LINK_MEDIUM_LAST; i++)
if (!strcmp(ethtool_link_medium_names[i], str))
return i;
return ETHTOOL_LINK_MEDIUM_NONE;
}
EXPORT_SYMBOL_GPL(ethtool_str_to_medium);