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linux_dsm_epyc7002/net/ethtool/common.c
Michal Kubecek 428c122f5f ethtool: provide link mode names as a string set 
Unlike e.g. netdev features, the ethtool ioctl interface requires link mode
table to be in sync between kernel and userspace for userspace to be able
to display and set all link modes supported by kernel. The way arbitrary
length bitsets are implemented in netlink interface, this will be no longer
needed.

To allow userspace to access all link modes running kernel supports, add
table of ethernet link mode names and make it available as a string set to
userspace GET_STRSET requests. Add build time check to make sure names
are defined for all modes declared in enum ethtool_link_mode_bit_indices.

Once the string set is available, make it also accessible via ioctl.

Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-12 17:07:05 -08:00

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// SPDX-License-Identifier: GPL-2.0-only
#include "common.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_LLTX_BIT] = "tx-lockless",
[NETIF_F_NETNS_LOCAL_BIT] = "netns-local",
[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_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_SCTP_BIT] = "tx-sctp-segmentation",
[NETIF_F_GSO_ESP_BIT] = "tx-esp-segmentation",
[NETIF_F_GSO_UDP_L4_BIT] = "tx-udp-segmentation",
[NETIF_F_FCOE_CRC_BIT] = "tx-checksum-fcoe-crc",
[NETIF_F_SCTP_CRC_BIT] = "tx-checksum-sctp",
[NETIF_F_FCOE_MTU_BIT] = "fcoe-mtu",
[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_RECORD_BIT] = "tls-hw-record",
[NETIF_F_HW_TLS_TX_BIT] = "tls-hw-tx-offload",
[NETIF_F_HW_TLS_RX_BIT] = "tls-hw-rx-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",
};
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",
};
#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),
};
static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS);
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