[linux-block.git] / net / ethtool / common.c

// SPDX-License-Identifier: GPL-2.0-only

#include <linux/net_tstamp.h>
#include <linux/phy.h>
#include <linux/rtnetlink.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_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_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"),
	__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),
};
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;
}

const struct ethtool_phy_ops *ethtool_phy_ops;

void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops)
{
	rtnl_lock();
	ethtool_phy_ops = ops;
	rtnl_unlock();
}
EXPORT_SYMBOL_GPL(ethtool_set_ethtool_phy_ops);
Commit	Line	Data
d44e1310 MK	1	// SPDX-License-Identifier: GPL-2.0-only
d44e1310 MK	2
f76510b4	3	#include <linux/net_tstamp.h>
5b071c59	4	#include <linux/phy.h>
4895d780	5	#include <linux/rtnetlink.h>
f76510b4	6
d44e1310 MK	7	#include "common.h"
	8
	9	const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] = {
	10	[NETIF_F_SG_BIT] = "tx-scatter-gather",
	11	[NETIF_F_IP_CSUM_BIT] = "tx-checksum-ipv4",
	12	[NETIF_F_HW_CSUM_BIT] = "tx-checksum-ip-generic",
	13	[NETIF_F_IPV6_CSUM_BIT] = "tx-checksum-ipv6",
	14	[NETIF_F_HIGHDMA_BIT] = "highdma",
	15	[NETIF_F_FRAGLIST_BIT] = "tx-scatter-gather-fraglist",
	16	[NETIF_F_HW_VLAN_CTAG_TX_BIT] = "tx-vlan-hw-insert",
	17
	18	[NETIF_F_HW_VLAN_CTAG_RX_BIT] = "rx-vlan-hw-parse",
	19	[NETIF_F_HW_VLAN_CTAG_FILTER_BIT] = "rx-vlan-filter",
	20	[NETIF_F_HW_VLAN_STAG_TX_BIT] = "tx-vlan-stag-hw-insert",
	21	[NETIF_F_HW_VLAN_STAG_RX_BIT] = "rx-vlan-stag-hw-parse",
	22	[NETIF_F_HW_VLAN_STAG_FILTER_BIT] = "rx-vlan-stag-filter",
	23	[NETIF_F_VLAN_CHALLENGED_BIT] = "vlan-challenged",
	24	[NETIF_F_GSO_BIT] = "tx-generic-segmentation",
	25	[NETIF_F_LLTX_BIT] = "tx-lockless",
	26	[NETIF_F_NETNS_LOCAL_BIT] = "netns-local",
	27	[NETIF_F_GRO_BIT] = "rx-gro",
	28	[NETIF_F_GRO_HW_BIT] = "rx-gro-hw",
	29	[NETIF_F_LRO_BIT] = "rx-lro",
	30
	31	[NETIF_F_TSO_BIT] = "tx-tcp-segmentation",
	32	[NETIF_F_GSO_ROBUST_BIT] = "tx-gso-robust",
	33	[NETIF_F_TSO_ECN_BIT] = "tx-tcp-ecn-segmentation",
	34	[NETIF_F_TSO_MANGLEID_BIT] = "tx-tcp-mangleid-segmentation",
	35	[NETIF_F_TSO6_BIT] = "tx-tcp6-segmentation",
	36	[NETIF_F_FSO_BIT] = "tx-fcoe-segmentation",
	37	[NETIF_F_GSO_GRE_BIT] = "tx-gre-segmentation",
	38	[NETIF_F_GSO_GRE_CSUM_BIT] = "tx-gre-csum-segmentation",
	39	[NETIF_F_GSO_IPXIP4_BIT] = "tx-ipxip4-segmentation",
	40	[NETIF_F_GSO_IPXIP6_BIT] = "tx-ipxip6-segmentation",
	41	[NETIF_F_GSO_UDP_TUNNEL_BIT] = "tx-udp_tnl-segmentation",
	42	[NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT] = "tx-udp_tnl-csum-segmentation",
	43	[NETIF_F_GSO_PARTIAL_BIT] = "tx-gso-partial",
b4730ae6	44	[NETIF_F_GSO_TUNNEL_REMCSUM_BIT] = "tx-tunnel-remcsum-segmentation",
d44e1310 MK	45	[NETIF_F_GSO_SCTP_BIT] = "tx-sctp-segmentation",
	46	[NETIF_F_GSO_ESP_BIT] = "tx-esp-segmentation",
	47	[NETIF_F_GSO_UDP_L4_BIT] = "tx-udp-segmentation",
eddbf5d0	48	[NETIF_F_GSO_FRAGLIST_BIT] = "tx-gso-list",
d44e1310 MK	49
	50	[NETIF_F_FCOE_CRC_BIT] = "tx-checksum-fcoe-crc",
	51	[NETIF_F_SCTP_CRC_BIT] = "tx-checksum-sctp",
	52	[NETIF_F_FCOE_MTU_BIT] = "fcoe-mtu",
	53	[NETIF_F_NTUPLE_BIT] = "rx-ntuple-filter",
	54	[NETIF_F_RXHASH_BIT] = "rx-hashing",
	55	[NETIF_F_RXCSUM_BIT] = "rx-checksum",
	56	[NETIF_F_NOCACHE_COPY_BIT] = "tx-nocache-copy",
	57	[NETIF_F_LOOPBACK_BIT] = "loopback",
	58	[NETIF_F_RXFCS_BIT] = "rx-fcs",
	59	[NETIF_F_RXALL_BIT] = "rx-all",
	60	[NETIF_F_HW_L2FW_DOFFLOAD_BIT] = "l2-fwd-offload",
	61	[NETIF_F_HW_TC_BIT] = "hw-tc-offload",
	62	[NETIF_F_HW_ESP_BIT] = "esp-hw-offload",
	63	[NETIF_F_HW_ESP_TX_CSUM_BIT] = "esp-tx-csum-hw-offload",
	64	[NETIF_F_RX_UDP_TUNNEL_PORT_BIT] = "rx-udp_tunnel-port-offload",
	65	[NETIF_F_HW_TLS_RECORD_BIT] = "tls-hw-record",
	66	[NETIF_F_HW_TLS_TX_BIT] = "tls-hw-tx-offload",
	67	[NETIF_F_HW_TLS_RX_BIT] = "tls-hw-rx-offload",
3b335832	68	[NETIF_F_GRO_FRAGLIST_BIT] = "rx-gro-list",
5908220b	69	[NETIF_F_HW_MACSEC_BIT] = "macsec-hw-offload",
d44e1310 MK	70	};
	71
	72	const char
	73	rss_hash_func_strings[ETH_RSS_HASH_FUNCS_COUNT][ETH_GSTRING_LEN] = {
	74	[ETH_RSS_HASH_TOP_BIT] = "toeplitz",
	75	[ETH_RSS_HASH_XOR_BIT] = "xor",
	76	[ETH_RSS_HASH_CRC32_BIT] = "crc32",
	77	};
	78
	79	const char
	80	tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
	81	[ETHTOOL_ID_UNSPEC] = "Unspec",
	82	[ETHTOOL_RX_COPYBREAK] = "rx-copybreak",
	83	[ETHTOOL_TX_COPYBREAK] = "tx-copybreak",
	84	[ETHTOOL_PFC_PREVENTION_TOUT] = "pfc-prevention-tout",
	85	};
	86
	87	const char
	88	phy_tunable_strings[__ETHTOOL_PHY_TUNABLE_COUNT][ETH_GSTRING_LEN] = {
	89	[ETHTOOL_ID_UNSPEC] = "Unspec",
	90	[ETHTOOL_PHY_DOWNSHIFT] = "phy-downshift",
	91	[ETHTOOL_PHY_FAST_LINK_DOWN] = "phy-fast-link-down",
	92	[ETHTOOL_PHY_EDPD] = "phy-energy-detect-power-down",
	93	};
428c122f MK	94
	95	#define __LINK_MODE_NAME(speed, type, duplex) \
	96	#speed "base" #type "/" #duplex
	97	#define __DEFINE_LINK_MODE_NAME(speed, type, duplex) \
	98	[ETHTOOL_LINK_MODE(speed, type, duplex)] = \
	99	__LINK_MODE_NAME(speed, type, duplex)
	100	#define __DEFINE_SPECIAL_MODE_NAME(_mode, _name) \
	101	[ETHTOOL_LINK_MODE_ ## _mode ## _BIT] = _name
	102
	103	const char link_mode_names[][ETH_GSTRING_LEN] = {
	104	__DEFINE_LINK_MODE_NAME(10, T, Half),
	105	__DEFINE_LINK_MODE_NAME(10, T, Full),
	106	__DEFINE_LINK_MODE_NAME(100, T, Half),
	107	__DEFINE_LINK_MODE_NAME(100, T, Full),
	108	__DEFINE_LINK_MODE_NAME(1000, T, Half),
	109	__DEFINE_LINK_MODE_NAME(1000, T, Full),
	110	__DEFINE_SPECIAL_MODE_NAME(Autoneg, "Autoneg"),
	111	__DEFINE_SPECIAL_MODE_NAME(TP, "TP"),
	112	__DEFINE_SPECIAL_MODE_NAME(AUI, "AUI"),
	113	__DEFINE_SPECIAL_MODE_NAME(MII, "MII"),
	114	__DEFINE_SPECIAL_MODE_NAME(FIBRE, "FIBRE"),
	115	__DEFINE_SPECIAL_MODE_NAME(BNC, "BNC"),
	116	__DEFINE_LINK_MODE_NAME(10000, T, Full),
	117	__DEFINE_SPECIAL_MODE_NAME(Pause, "Pause"),
	118	__DEFINE_SPECIAL_MODE_NAME(Asym_Pause, "Asym_Pause"),
	119	__DEFINE_LINK_MODE_NAME(2500, X, Full),
	120	__DEFINE_SPECIAL_MODE_NAME(Backplane, "Backplane"),
	121	__DEFINE_LINK_MODE_NAME(1000, KX, Full),
	122	__DEFINE_LINK_MODE_NAME(10000, KX4, Full),
	123	__DEFINE_LINK_MODE_NAME(10000, KR, Full),
	124	__DEFINE_SPECIAL_MODE_NAME(10000baseR_FEC, "10000baseR_FEC"),
	125	__DEFINE_LINK_MODE_NAME(20000, MLD2, Full),
	126	__DEFINE_LINK_MODE_NAME(20000, KR2, Full),
	127	__DEFINE_LINK_MODE_NAME(40000, KR4, Full),
	128	__DEFINE_LINK_MODE_NAME(40000, CR4, Full),
	129	__DEFINE_LINK_MODE_NAME(40000, SR4, Full),
	130	__DEFINE_LINK_MODE_NAME(40000, LR4, Full),
	131	__DEFINE_LINK_MODE_NAME(56000, KR4, Full),
	132	__DEFINE_LINK_MODE_NAME(56000, CR4, Full),
	133	__DEFINE_LINK_MODE_NAME(56000, SR4, Full),
	134	__DEFINE_LINK_MODE_NAME(56000, LR4, Full),
	135	__DEFINE_LINK_MODE_NAME(25000, CR, Full),
	136	__DEFINE_LINK_MODE_NAME(25000, KR, Full),
	137	__DEFINE_LINK_MODE_NAME(25000, SR, Full),
	138	__DEFINE_LINK_MODE_NAME(50000, CR2, Full),
	139	__DEFINE_LINK_MODE_NAME(50000, KR2, Full),
	140	__DEFINE_LINK_MODE_NAME(100000, KR4, Full),
	141	__DEFINE_LINK_MODE_NAME(100000, SR4, Full),
	142	__DEFINE_LINK_MODE_NAME(100000, CR4, Full),
	143	__DEFINE_LINK_MODE_NAME(100000, LR4_ER4, Full),
	144	__DEFINE_LINK_MODE_NAME(50000, SR2, Full),
	145	__DEFINE_LINK_MODE_NAME(1000, X, Full),
	146	__DEFINE_LINK_MODE_NAME(10000, CR, Full),
	147	__DEFINE_LINK_MODE_NAME(10000, SR, Full),
	148	__DEFINE_LINK_MODE_NAME(10000, LR, Full),
	149	__DEFINE_LINK_MODE_NAME(10000, LRM, Full),
	150	__DEFINE_LINK_MODE_NAME(10000, ER, Full),
	151	__DEFINE_LINK_MODE_NAME(2500, T, Full),
	152	__DEFINE_LINK_MODE_NAME(5000, T, Full),
	153	__DEFINE_SPECIAL_MODE_NAME(FEC_NONE, "None"),
	154	__DEFINE_SPECIAL_MODE_NAME(FEC_RS, "RS"),
	155	__DEFINE_SPECIAL_MODE_NAME(FEC_BASER, "BASER"),
	156	__DEFINE_LINK_MODE_NAME(50000, KR, Full),
	157	__DEFINE_LINK_MODE_NAME(50000, SR, Full),
158	__DEFINE_LINK_MODE_NAME(50000, CR, Full),
159	__DEFINE_LINK_MODE_NAME(50000, LR_ER_FR, Full),
160	__DEFINE_LINK_MODE_NAME(50000, DR, Full),
161	__DEFINE_LINK_MODE_NAME(100000, KR2, Full),
162	__DEFINE_LINK_MODE_NAME(100000, SR2, Full),
163	__DEFINE_LINK_MODE_NAME(100000, CR2, Full),
164	__DEFINE_LINK_MODE_NAME(100000, LR2_ER2_FR2, Full),
165	__DEFINE_LINK_MODE_NAME(100000, DR2, Full),
166	__DEFINE_LINK_MODE_NAME(200000, KR4, Full),
167	__DEFINE_LINK_MODE_NAME(200000, SR4, Full),
168	__DEFINE_LINK_MODE_NAME(200000, LR4_ER4_FR4, Full),
169	__DEFINE_LINK_MODE_NAME(200000, DR4, Full),
170	__DEFINE_LINK_MODE_NAME(200000, CR4, Full),
171	__DEFINE_LINK_MODE_NAME(100, T1, Full),
172	__DEFINE_LINK_MODE_NAME(1000, T1, Full),
173	__DEFINE_LINK_MODE_NAME(400000, KR8, Full),
174	__DEFINE_LINK_MODE_NAME(400000, SR8, Full),
175	__DEFINE_LINK_MODE_NAME(400000, LR8_ER8_FR8, Full),
176	__DEFINE_LINK_MODE_NAME(400000, DR8, Full),
177	__DEFINE_LINK_MODE_NAME(400000, CR8, Full),
f623e597	178	__DEFINE_SPECIAL_MODE_NAME(FEC_LLRS, "LLRS"),
065e0d42 ML	179	__DEFINE_LINK_MODE_NAME(100000, KR, Full),
	180	__DEFINE_LINK_MODE_NAME(100000, SR, Full),
	181	__DEFINE_LINK_MODE_NAME(100000, LR_ER_FR, Full),
	182	__DEFINE_LINK_MODE_NAME(100000, DR, Full),
	183	__DEFINE_LINK_MODE_NAME(100000, CR, Full),
	184	__DEFINE_LINK_MODE_NAME(200000, KR2, Full),
	185	__DEFINE_LINK_MODE_NAME(200000, SR2, Full),
	186	__DEFINE_LINK_MODE_NAME(200000, LR2_ER2_FR2, Full),
	187	__DEFINE_LINK_MODE_NAME(200000, DR2, Full),
	188	__DEFINE_LINK_MODE_NAME(200000, CR2, Full),
	189	__DEFINE_LINK_MODE_NAME(400000, KR4, Full),
	190	__DEFINE_LINK_MODE_NAME(400000, SR4, Full),
	191	__DEFINE_LINK_MODE_NAME(400000, LR4_ER4_FR4, Full),
	192	__DEFINE_LINK_MODE_NAME(400000, DR4, Full),
	193	__DEFINE_LINK_MODE_NAME(400000, CR4, Full),
428c122f MK	194	};
428c122f MK	195	static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS);
459e0b81	196
6a94b8cc MK	197	const char netif_msg_class_names[][ETH_GSTRING_LEN] = {
	198	[NETIF_MSG_DRV_BIT] = "drv",
	199	[NETIF_MSG_PROBE_BIT] = "probe",
	200	[NETIF_MSG_LINK_BIT] = "link",
	201	[NETIF_MSG_TIMER_BIT] = "timer",
	202	[NETIF_MSG_IFDOWN_BIT] = "ifdown",
	203	[NETIF_MSG_IFUP_BIT] = "ifup",
	204	[NETIF_MSG_RX_ERR_BIT] = "rx_err",
	205	[NETIF_MSG_TX_ERR_BIT] = "tx_err",
	206	[NETIF_MSG_TX_QUEUED_BIT] = "tx_queued",
	207	[NETIF_MSG_INTR_BIT] = "intr",
	208	[NETIF_MSG_TX_DONE_BIT] = "tx_done",
	209	[NETIF_MSG_RX_STATUS_BIT] = "rx_status",
	210	[NETIF_MSG_PKTDATA_BIT] = "pktdata",
	211	[NETIF_MSG_HW_BIT] = "hw",
	212	[NETIF_MSG_WOL_BIT] = "wol",
	213	};
	214	static_assert(ARRAY_SIZE(netif_msg_class_names) == NETIF_MSG_CLASS_COUNT);
	215
51ea22b0 MK	216	const char wol_mode_names[][ETH_GSTRING_LEN] = {
	217	[const_ilog2(WAKE_PHY)] = "phy",
	218	[const_ilog2(WAKE_UCAST)] = "ucast",
	219	[const_ilog2(WAKE_MCAST)] = "mcast",
	220	[const_ilog2(WAKE_BCAST)] = "bcast",
	221	[const_ilog2(WAKE_ARP)] = "arp",
	222	[const_ilog2(WAKE_MAGIC)] = "magic",
	223	[const_ilog2(WAKE_MAGICSECURE)] = "magicsecure",
	224	[const_ilog2(WAKE_FILTER)] = "filter",
	225	};
	226	static_assert(ARRAY_SIZE(wol_mode_names) == WOL_MODE_COUNT);
	227
f76510b4 MK	228	const char sof_timestamping_names[][ETH_GSTRING_LEN] = {
	229	[const_ilog2(SOF_TIMESTAMPING_TX_HARDWARE)] = "hardware-transmit",
	230	[const_ilog2(SOF_TIMESTAMPING_TX_SOFTWARE)] = "software-transmit",
	231	[const_ilog2(SOF_TIMESTAMPING_RX_HARDWARE)] = "hardware-receive",
	232	[const_ilog2(SOF_TIMESTAMPING_RX_SOFTWARE)] = "software-receive",
	233	[const_ilog2(SOF_TIMESTAMPING_SOFTWARE)] = "software-system-clock",
	234	[const_ilog2(SOF_TIMESTAMPING_SYS_HARDWARE)] = "hardware-legacy-clock",
	235	[const_ilog2(SOF_TIMESTAMPING_RAW_HARDWARE)] = "hardware-raw-clock",
	236	[const_ilog2(SOF_TIMESTAMPING_OPT_ID)] = "option-id",
	237	[const_ilog2(SOF_TIMESTAMPING_TX_SCHED)] = "sched-transmit",
	238	[const_ilog2(SOF_TIMESTAMPING_TX_ACK)] = "ack-transmit",
	239	[const_ilog2(SOF_TIMESTAMPING_OPT_CMSG)] = "option-cmsg",
	240	[const_ilog2(SOF_TIMESTAMPING_OPT_TSONLY)] = "option-tsonly",
	241	[const_ilog2(SOF_TIMESTAMPING_OPT_STATS)] = "option-stats",
	242	[const_ilog2(SOF_TIMESTAMPING_OPT_PKTINFO)] = "option-pktinfo",
	243	[const_ilog2(SOF_TIMESTAMPING_OPT_TX_SWHW)] = "option-tx-swhw",
	244	};
	245	static_assert(ARRAY_SIZE(sof_timestamping_names) == __SOF_TIMESTAMPING_CNT);
	246
	247	const char ts_tx_type_names[][ETH_GSTRING_LEN] = {
	248	[HWTSTAMP_TX_OFF] = "off",
	249	[HWTSTAMP_TX_ON] = "on",
	250	[HWTSTAMP_TX_ONESTEP_SYNC] = "onestep-sync",
	251	[HWTSTAMP_TX_ONESTEP_P2P] = "onestep-p2p",
	252	};
	253	static_assert(ARRAY_SIZE(ts_tx_type_names) == __HWTSTAMP_TX_CNT);
	254
	255	const char ts_rx_filter_names[][ETH_GSTRING_LEN] = {
	256	[HWTSTAMP_FILTER_NONE] = "none",
	257	[HWTSTAMP_FILTER_ALL] = "all",
	258	[HWTSTAMP_FILTER_SOME] = "some",
	259	[HWTSTAMP_FILTER_PTP_V1_L4_EVENT] = "ptpv1-l4-event",
	260	[HWTSTAMP_FILTER_PTP_V1_L4_SYNC] = "ptpv1-l4-sync",
	261	[HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ] = "ptpv1-l4-delay-req",
	262	[HWTSTAMP_FILTER_PTP_V2_L4_EVENT] = "ptpv2-l4-event",
	263	[HWTSTAMP_FILTER_PTP_V2_L4_SYNC] = "ptpv2-l4-sync",
	264	[HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ] = "ptpv2-l4-delay-req",
	265	[HWTSTAMP_FILTER_PTP_V2_L2_EVENT] = "ptpv2-l2-event",
	266	[HWTSTAMP_FILTER_PTP_V2_L2_SYNC] = "ptpv2-l2-sync",
	267	[HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ] = "ptpv2-l2-delay-req",
	268	[HWTSTAMP_FILTER_PTP_V2_EVENT] = "ptpv2-event",
	269	[HWTSTAMP_FILTER_PTP_V2_SYNC] = "ptpv2-sync",
	270	[HWTSTAMP_FILTER_PTP_V2_DELAY_REQ] = "ptpv2-delay-req",
	271	[HWTSTAMP_FILTER_NTP_ALL] = "ntp-all",
	272	};
	273	static_assert(ARRAY_SIZE(ts_rx_filter_names) == __HWTSTAMP_FILTER_CNT);
	274
459e0b81 MK	275	/* return false if legacy contained non-0 deprecated fields
	276	* maxtxpkt/maxrxpkt. rest of ksettings always updated
	277	*/
	278	bool
	279	convert_legacy_settings_to_link_ksettings(
	280	struct ethtool_link_ksettings *link_ksettings,
	281	const struct ethtool_cmd *legacy_settings)
	282	{
	283	bool retval = true;
	284
	285	memset(link_ksettings, 0, sizeof(*link_ksettings));
	286
	287	/* This is used to tell users that driver is still using these
	288	* deprecated legacy fields, and they should not use
	289	* %ETHTOOL_GLINKSETTINGS/%ETHTOOL_SLINKSETTINGS
	290	*/
	291	if (legacy_settings->maxtxpkt \|\|
	292	legacy_settings->maxrxpkt)
	293	retval = false;
	294
	295	ethtool_convert_legacy_u32_to_link_mode(
	296	link_ksettings->link_modes.supported,
	297	legacy_settings->supported);
	298	ethtool_convert_legacy_u32_to_link_mode(
	299	link_ksettings->link_modes.advertising,
	300	legacy_settings->advertising);
	301	ethtool_convert_legacy_u32_to_link_mode(
	302	link_ksettings->link_modes.lp_advertising,
	303	legacy_settings->lp_advertising);
	304	link_ksettings->base.speed
	305	= ethtool_cmd_speed(legacy_settings);
	306	link_ksettings->base.duplex
	307	= legacy_settings->duplex;
	308	link_ksettings->base.port
	309	= legacy_settings->port;
	310	link_ksettings->base.phy_address
	311	= legacy_settings->phy_address;
	312	link_ksettings->base.autoneg
	313	= legacy_settings->autoneg;
	314	link_ksettings->base.mdio_support
	315	= legacy_settings->mdio_support;
	316	link_ksettings->base.eth_tp_mdix
	317	= legacy_settings->eth_tp_mdix;
	318	link_ksettings->base.eth_tp_mdix_ctrl
	319	= legacy_settings->eth_tp_mdix_ctrl;
	320	return retval;
	321	}
3d2b847f MK	322
	323	int __ethtool_get_link(struct net_device *dev)
	324	{
	325	if (!dev->ethtool_ops->get_link)
	326	return -EOPNOTSUPP;
	327
	328	return netif_running(dev) && dev->ethtool_ops->get_link(dev);
	329	}
e19c591e MK	330
	331	int ethtool_get_max_rxfh_channel(struct net_device dev, u32 max)
	332	{
	333	u32 dev_size, current_max = 0;
	334	u32 *indir;
	335	int ret;
	336
	337	if (!dev->ethtool_ops->get_rxfh_indir_size \|\|
	338	!dev->ethtool_ops->get_rxfh)
	339	return -EOPNOTSUPP;
	340	dev_size = dev->ethtool_ops->get_rxfh_indir_size(dev);
	341	if (dev_size == 0)
	342	return -EOPNOTSUPP;
	343
	344	indir = kcalloc(dev_size, sizeof(indir[0]), GFP_USER);
	345	if (!indir)
	346	return -ENOMEM;
	347
	348	ret = dev->ethtool_ops->get_rxfh(dev, indir, NULL, NULL);
	349	if (ret)
	350	goto out;
	351
	352	while (dev_size--)
	353	current_max = max(current_max, indir[dev_size]);
	354
	355	*max = current_max;
	356
	357	out:
	358	kfree(indir);
	359	return ret;
	360	}
9000edb7 JK	361
	362	int ethtool_check_ops(const struct ethtool_ops *ops)
	363	{
	364	if (WARN_ON(ops->set_coalesce && !ops->supported_coalesce_params))
	365	return -EINVAL;
	366	/* NOTE: sufficiently insane drivers may swap ethtool_ops at runtime,
	367	* the fact that ops are checked at registration time does not
	368	* mean the ops attached to a netdev later on are sane.
	369	*/
	370	return 0;
	371	}
5b071c59 MK	372
	373	int __ethtool_get_ts_info(struct net_device dev, struct ethtool_ts_info info)
	374	{
	375	const struct ethtool_ops *ops = dev->ethtool_ops;
	376	struct phy_device *phydev = dev->phydev;
	377
	378	memset(info, 0, sizeof(*info));
	379	info->cmd = ETHTOOL_GET_TS_INFO;
	380
	381	if (phy_has_tsinfo(phydev))
	382	return phy_ts_info(phydev, info);
	383	if (ops->get_ts_info)
	384	return ops->get_ts_info(dev, info);
	385
	386	info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE \|
	387	SOF_TIMESTAMPING_SOFTWARE;
	388	info->phc_index = -1;
	389
	390	return 0;
	391	}
4895d780 FF	392
	393	const struct ethtool_phy_ops *ethtool_phy_ops;
	394
	395	void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops)
	396	{
	397	rtnl_lock();
	398	ethtool_phy_ops = ops;
	399	rtnl_unlock();
	400	}
	401	EXPORT_SYMBOL_GPL(ethtool_set_ethtool_phy_ops);