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linux-sg2042/net/ethtool/common.c

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// SPDX-License-Identifier: GPL-2.0-only
#include <linux/net_tstamp.h>
#include <linux/phy.h>
#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",
[NETIF_F_GRO_FRAGLIST_BIT] = "rx-gro-list",
[NETIF_F_HW_MACSEC_BIT] = "macsec-hw-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),
__DEFINE_SPECIAL_MODE_NAME(FEC_LLRS, "LLRS"),
};
static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS);
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",
};
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);
/* 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_max_rxfh_channel(struct net_device *dev, u32 *max)
{
u32 dev_size, current_max = 0;
u32 *indir;
int ret;
if (!dev->ethtool_ops->get_rxfh_indir_size ||
!dev->ethtool_ops->get_rxfh)
return -EOPNOTSUPP;
dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev);
if (dev_size == 0)
return -EOPNOTSUPP;
indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER);
if (!indir)
return -ENOMEM;
ret = dev->ethtool_ops->get_rxfh(dev, indir, NULL, NULL);
if (ret)
goto out;
while (dev_size--)
current_max = max(current_max, indir[dev_size]);
*max = current_max;
out:
kfree(indir);
return ret;
}
int ethtool_check_ops(const struct ethtool_ops *ops)
{
if (WARN_ON(ops->set_coalesce && !ops->supported_coalesce_params))
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;
}
int __ethtool_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
{
const struct ethtool_ops *ops = dev->ethtool_ops;
struct phy_device *phydev = dev->phydev;
memset(info, 0, sizeof(*info));
info->cmd = ETHTOOL_GET_TS_INFO;
if (phy_has_tsinfo(phydev))
return phy_ts_info(phydev, info);
if (ops->get_ts_info)
return ops->get_ts_info(dev, info);
info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
SOF_TIMESTAMPING_SOFTWARE;
info->phc_index = -1;
return 0;
}
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