Quelle ethtool.h
Sprache: C
/* SPDX-License-Identifier: GPL-2.0 */
/*
* ethtool . h : Defines for Linux ethtool .
*
* Copyright ( C ) 1998 David S . Miller ( davem @ redhat . com )
* Copyright 2001 Jeff Garzik < jgarzik @ pobox . com >
* Portions Copyright 2001 Sun Microsystems ( thockin @ sun . com )
* Portions Copyright 2002 Intel ( eli . kupermann @ intel . com ,
* christopher . leech @ intel . com ,
* scott . feldman @ intel . com )
* Portions Copyright ( C ) Sun Microsystems 2008
*/
#ifndef _LINUX_ETHTOOL_H
#define _LINUX_ETHTOOL_H
#include <linux/bitmap.h>
#include <linux/compat.h>
#include <linux/if_ether.h>
#include <linux/netlink.h>
#include <linux/timer_types.h>
#include <uapi/linux/ethtool.h>
#include <uapi/linux/ethtool_netlink_generated.h>
#include <uapi/linux/net_tstamp.h>
#define ETHTOOL_MM_MAX_VERIFY_TIME_MS 128
#define ETHTOOL_MM_MAX_VERIFY_RETRIES 3
struct compat_ethtool_rx_flow_spec {
u32 flow_type;
union ethtool_flow_union h_u;
struct ethtool_flow_ext h_ext;
union ethtool_flow_union m_u;
struct ethtool_flow_ext m_ext;
compat_u64 ring_cookie;
u32 location;
};
struct compat_ethtool_rxnfc {
u32 cmd;
u32 flow_type;
compat_u64 data;
struct compat_ethtool_rx_flow_spec fs;
u32 rule_cnt;
u32 rule_locs[];
};
#include <linux/rculist.h>
/**
* enum ethtool_phys_id_state - indicator state for physical identification
* @ ETHTOOL_ID_INACTIVE : Physical ID indicator should be deactivated
* @ ETHTOOL_ID_ACTIVE : Physical ID indicator should be activated
* @ ETHTOOL_ID_ON : LED should be turned on ( used iff % ETHTOOL_ID_ACTIVE
* is not supported )
* @ ETHTOOL_ID_OFF : LED should be turned off ( used iff % ETHTOOL_ID_ACTIVE
* is not supported )
*/
enum ethtool_phys_id_state {
ETHTOOL_ID_INACTIVE,
ETHTOOL_ID_ACTIVE,
ETHTOOL_ID_ON,
ETHTOOL_ID_OFF
};
enum {
ETH_RSS_HASH_TOP_BIT, /* Configurable RSS hash function - Toeplitz */
ETH_RSS_HASH_XOR_BIT, /* Configurable RSS hash function - Xor */
ETH_RSS_HASH_CRC32_BIT, /* Configurable RSS hash function - Crc32 */
/*
* Add your fresh new hash function bits above and remember to update
* rss_hash_func_strings [ ] in ethtool . c
*/
ETH_RSS_HASH_FUNCS_COUNT
};
/**
* struct kernel_ethtool_ringparam - RX / TX ring configuration
* @ rx_buf_len : Current length of buffers on the rx ring .
* @ tcp_data_split : Scatter packet headers and data to separate buffers
* @ tx_push : The flag of tx push mode
* @ rx_push : The flag of rx push mode
* @ cqe_size : Size of TX / RX completion queue event
* @ tx_push_buf_len : Size of TX push buffer
* @ tx_push_buf_max_len : Maximum allowed size of TX push buffer
* @ hds_thresh : Packet size threshold for header data split ( HDS )
* @ hds_thresh_max : Maximum supported setting for @ hds_threshold
*
*/
struct kernel_ethtool_ringparam {
u32 rx_buf_len;
u8 tcp_data_split;
u8 tx_push;
u8 rx_push;
u32 cqe_size;
u32 tx_push_buf_len;
u32 tx_push_buf_max_len;
u32 hds_thresh;
u32 hds_thresh_max;
};
/**
* enum ethtool_supported_ring_param - indicator caps for setting ring params
* @ ETHTOOL_RING_USE_RX_BUF_LEN : capture for setting rx_buf_len
* @ ETHTOOL_RING_USE_CQE_SIZE : capture for setting cqe_size
* @ ETHTOOL_RING_USE_TX_PUSH : capture for setting tx_push
* @ ETHTOOL_RING_USE_RX_PUSH : capture for setting rx_push
* @ ETHTOOL_RING_USE_TX_PUSH_BUF_LEN : capture for setting tx_push_buf_len
* @ ETHTOOL_RING_USE_TCP_DATA_SPLIT : capture for setting tcp_data_split
* @ ETHTOOL_RING_USE_HDS_THRS : capture for setting header - data - split - thresh
*/
enum ethtool_supported_ring_param {
ETHTOOL_RING_USE_RX_BUF_LEN = BIT(0 ),
ETHTOOL_RING_USE_CQE_SIZE = BIT(1 ),
ETHTOOL_RING_USE_TX_PUSH = BIT(2 ),
ETHTOOL_RING_USE_RX_PUSH = BIT(3 ),
ETHTOOL_RING_USE_TX_PUSH_BUF_LEN = BIT(4 ),
ETHTOOL_RING_USE_TCP_DATA_SPLIT = BIT(5 ),
ETHTOOL_RING_USE_HDS_THRS = BIT(6 ),
};
#define __ETH_RSS_HASH_BIT(bit) ((u32)1 << (bit))
#define __ETH_RSS_HASH(name) __ETH_RSS_HASH_BIT(ETH_RSS_HASH_## name## _BIT)
#define ETH_RSS_HASH_TOP __ETH_RSS_HASH(TOP)
#define ETH_RSS_HASH_XOR __ETH_RSS_HASH(XOR )
#define ETH_RSS_HASH_CRC32 __ETH_RSS_HASH(CRC32)
#define ETH_RSS_HASH_UNKNOWN 0
#define ETH_RSS_HASH_NO_CHANGE 0
struct net_device;
struct netlink_ext_ack;
/* Link extended state and substate. */
struct ethtool_link_ext_state_info {
enum ethtool_link_ext_state link_ext_state;
union {
enum ethtool_link_ext_substate_autoneg autoneg;
enum ethtool_link_ext_substate_link_training link_training;
enum ethtool_link_ext_substate_link_logical_mismatch link_logical_mismatch;
enum ethtool_link_ext_substate_bad_signal_integrity bad_signal_integrity;
enum ethtool_link_ext_substate_cable_issue cable_issue;
enum ethtool_link_ext_substate_module module;
u32 __link_ext_substate;
};
};
struct ethtool_link_ext_stats {
/* Custom Linux statistic for PHY level link down events.
* In a simpler world it should be equal to netdev - > carrier_down_count
* unfortunately netdev also counts local reconfigurations which don ' t
* actually take the physical link down , not to mention NC - SI which ,
* if present , keeps the link up regardless of host state .
* This statistic counts when PHY _ actually_ went down , or lost link .
*
* Note that we need u64 for ethtool_stats_init ( ) and comparisons
* to ETHTOOL_STAT_NOT_SET , but only u32 is exposed to the user .
*/
u64 link_down_events;
};
/**
* ethtool_rxfh_indir_default - get default value for RX flow hash indirection
* @ index : Index in RX flow hash indirection table
* @ n_rx_rings : Number of RX rings to use
*
* This function provides the default policy for RX flow hash indirection .
*/
static inline u32 ethtool_rxfh_indir_default(u32 index, u32 n_rx_rings)
{
return index % n_rx_rings;
}
/**
* struct ethtool_rxfh_context - a custom RSS context configuration
* @ indir_size : Number of u32 entries in indirection table
* @ key_size : Size of hash key , in bytes
* @ priv_size : Size of driver private data , in bytes
* @ hfunc : RSS hash function identifier . One of the % ETH_RSS_HASH_ *
* @ input_xfrm : Defines how the input data is transformed . Valid values are one
* of % RXH_XFRM_ * .
* @ indir_configured : indir has been specified ( at create time or subsequently )
* @ key_configured : hkey has been specified ( at create time or subsequently )
*/
struct ethtool_rxfh_context {
u32 indir_size;
u32 key_size;
u16 priv_size;
u8 hfunc;
u8 input_xfrm;
u8 indir_configured:1 ;
u8 key_configured:1 ;
/* private: driver private data, indirection table, and hash key are
* stored sequentially in @ data area . Use below helpers to access .
*/
u32 key_off;
u8 data[] __aligned(sizeof (void *));
};
static inline void *ethtool_rxfh_context_priv(struct ethtool_rxfh_context *ctx)
{
return ctx->data;
}
static inline u32 *ethtool_rxfh_context_indir(struct ethtool_rxfh_context *ctx)
{
return (u32 *)(ctx->data + ALIGN(ctx->priv_size, sizeof (u32)));
}
static inline u8 *ethtool_rxfh_context_key(struct ethtool_rxfh_context *ctx)
{
return &ctx->data[ctx->key_off];
}
void ethtool_rxfh_context_lost(struct net_device *dev, u32 context_id);
struct link_mode_info {
int speed;
u8 lanes;
u8 duplex;
};
extern const struct link_mode_info link_mode_params[];
/* declare a link mode bitmap */
#define __ETHTOOL_DECLARE_LINK_MODE_MASK(name) \
DECLARE_BITMAP(name, __ETHTOOL_LINK_MODE_MASK_NBITS)
/* drivers must ignore base.cmd and base.link_mode_masks_nwords
* fields , but they are allowed to overwrite them ( will be ignored ) .
*/
struct ethtool_link_ksettings {
struct ethtool_link_settings base;
struct {
__ETHTOOL_DECLARE_LINK_MODE_MASK(supported);
__ETHTOOL_DECLARE_LINK_MODE_MASK(advertising);
__ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising);
} link_modes;
u32 lanes;
};
/**
* ethtool_link_ksettings_zero_link_mode - clear link_ksettings link mode mask
* @ ptr : pointer to struct ethtool_link_ksettings
* @ name : one of supported / advertising / lp_advertising
*/
#define ethtool_link_ksettings_zero_link_mode(ptr, name) \
bitmap_zero((ptr)->link_modes.name, __ETHTOOL_LINK_MODE_MASK_NBITS)
/**
* ethtool_link_ksettings_add_link_mode - set bit in link_ksettings
* link mode mask
* @ ptr : pointer to struct ethtool_link_ksettings
* @ name : one of supported / advertising / lp_advertising
* @ mode : one of the ETHTOOL_LINK_MODE_ * _ BIT
* ( not atomic , no bound checking )
*/
#define ethtool_link_ksettings_add_link_mode(ptr, name, mode) \
__set_bit(ETHTOOL_LINK_MODE_ ## mode ## _BIT, (ptr)->link_modes.name)
/**
* ethtool_link_ksettings_del_link_mode - clear bit in link_ksettings
* link mode mask
* @ ptr : pointer to struct ethtool_link_ksettings
* @ name : one of supported / advertising / lp_advertising
* @ mode : one of the ETHTOOL_LINK_MODE_ * _ BIT
* ( not atomic , no bound checking )
*/
#define ethtool_link_ksettings_del_link_mode(ptr, name, mode) \
__clear_bit(ETHTOOL_LINK_MODE_ ## mode ## _BIT, (ptr)->link_modes.name)
/**
* ethtool_link_ksettings_test_link_mode - test bit in ksettings link mode mask
* @ ptr : pointer to struct ethtool_link_ksettings
* @ name : one of supported / advertising / lp_advertising
* @ mode : one of the ETHTOOL_LINK_MODE_ * _ BIT
* ( not atomic , no bound checking )
*
* Returns : true / false .
*/
#define ethtool_link_ksettings_test_link_mode(ptr, name, mode) \
test_bit(ETHTOOL_LINK_MODE_ ## mode ## _BIT, (ptr)->link_modes.name)
extern int
__ethtool_get_link_ksettings(struct net_device *dev,
struct ethtool_link_ksettings *link_ksettings);
struct ethtool_keee {
__ETHTOOL_DECLARE_LINK_MODE_MASK(supported);
__ETHTOOL_DECLARE_LINK_MODE_MASK(advertised);
__ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertised);
u32 tx_lpi_timer;
bool tx_lpi_enabled;
bool eee_active;
bool eee_enabled;
};
struct kernel_ethtool_coalesce {
u8 use_cqe_mode_tx;
u8 use_cqe_mode_rx;
u32 tx_aggr_max_bytes;
u32 tx_aggr_max_frames;
u32 tx_aggr_time_usecs;
};
/**
* ethtool_intersect_link_masks - Given two link masks , AND them together
* @ dst : first mask and where result is stored
* @ src : second mask to intersect with
*
* Given two link mode masks , AND them together and save the result in dst .
*/
void ethtool_intersect_link_masks(struct ethtool_link_ksettings *dst,
struct ethtool_link_ksettings *src);
void ethtool_convert_legacy_u32_to_link_mode(unsigned long *dst,
u32 legacy_u32);
/* return false if src had higher bits set. lower bits always updated. */
bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32,
const unsigned long *src);
#define ETHTOOL_COALESCE_RX_USECS BIT(0 )
#define ETHTOOL_COALESCE_RX_MAX_FRAMES BIT(1 )
#define ETHTOOL_COALESCE_RX_USECS_IRQ BIT(2 )
#define ETHTOOL_COALESCE_RX_MAX_FRAMES_IRQ BIT(3 )
#define ETHTOOL_COALESCE_TX_USECS BIT(4 )
#define ETHTOOL_COALESCE_TX_MAX_FRAMES BIT(5 )
#define ETHTOOL_COALESCE_TX_USECS_IRQ BIT(6 )
#define ETHTOOL_COALESCE_TX_MAX_FRAMES_IRQ BIT(7 )
#define ETHTOOL_COALESCE_STATS_BLOCK_USECS BIT(8 )
#define ETHTOOL_COALESCE_USE_ADAPTIVE_RX BIT(9 )
#define ETHTOOL_COALESCE_USE_ADAPTIVE_TX BIT(10 )
#define ETHTOOL_COALESCE_PKT_RATE_LOW BIT(11 )
#define ETHTOOL_COALESCE_RX_USECS_LOW BIT(12 )
#define ETHTOOL_COALESCE_RX_MAX_FRAMES_LOW BIT(13 )
#define ETHTOOL_COALESCE_TX_USECS_LOW BIT(14 )
#define ETHTOOL_COALESCE_TX_MAX_FRAMES_LOW BIT(15 )
#define ETHTOOL_COALESCE_PKT_RATE_HIGH BIT(16 )
#define ETHTOOL_COALESCE_RX_USECS_HIGH BIT(17 )
#define ETHTOOL_COALESCE_RX_MAX_FRAMES_HIGH BIT(18 )
#define ETHTOOL_COALESCE_TX_USECS_HIGH BIT(19 )
#define ETHTOOL_COALESCE_TX_MAX_FRAMES_HIGH BIT(20 )
#define ETHTOOL_COALESCE_RATE_SAMPLE_INTERVAL BIT(21 )
#define ETHTOOL_COALESCE_USE_CQE_RX BIT(22 )
#define ETHTOOL_COALESCE_USE_CQE_TX BIT(23 )
#define ETHTOOL_COALESCE_TX_AGGR_MAX_BYTES BIT(24 )
#define ETHTOOL_COALESCE_TX_AGGR_MAX_FRAMES BIT(25 )
#define ETHTOOL_COALESCE_TX_AGGR_TIME_USECS BIT(26 )
#define ETHTOOL_COALESCE_RX_PROFILE BIT(27 )
#define ETHTOOL_COALESCE_TX_PROFILE BIT(28 )
#define ETHTOOL_COALESCE_ALL_PARAMS GENMASK(28 , 0 )
#define ETHTOOL_COALESCE_USECS \
(ETHTOOL_COALESCE_RX_USECS | ETHTOOL_COALESCE_TX_USECS)
#define ETHTOOL_COALESCE_MAX_FRAMES \
(ETHTOOL_COALESCE_RX_MAX_FRAMES | ETHTOOL_COALESCE_TX_MAX_FRAMES)
#define ETHTOOL_COALESCE_USECS_IRQ \
(ETHTOOL_COALESCE_RX_USECS_IRQ | ETHTOOL_COALESCE_TX_USECS_IRQ)
#define ETHTOOL_COALESCE_MAX_FRAMES_IRQ \
(ETHTOOL_COALESCE_RX_MAX_FRAMES_IRQ | \
ETHTOOL_COALESCE_TX_MAX_FRAMES_IRQ)
#define ETHTOOL_COALESCE_USE_ADAPTIVE \
(ETHTOOL_COALESCE_USE_ADAPTIVE_RX | ETHTOOL_COALESCE_USE_ADAPTIVE_TX)
#define ETHTOOL_COALESCE_USECS_LOW_HIGH \
(ETHTOOL_COALESCE_RX_USECS_LOW | ETHTOOL_COALESCE_TX_USECS_LOW | \
ETHTOOL_COALESCE_RX_USECS_HIGH | ETHTOOL_COALESCE_TX_USECS_HIGH)
#define ETHTOOL_COALESCE_MAX_FRAMES_LOW_HIGH \
(ETHTOOL_COALESCE_RX_MAX_FRAMES_LOW | \
ETHTOOL_COALESCE_TX_MAX_FRAMES_LOW | \
ETHTOOL_COALESCE_RX_MAX_FRAMES_HIGH | \
ETHTOOL_COALESCE_TX_MAX_FRAMES_HIGH)
#define ETHTOOL_COALESCE_PKT_RATE_RX_USECS \
(ETHTOOL_COALESCE_USE_ADAPTIVE_RX | \
ETHTOOL_COALESCE_RX_USECS_LOW | ETHTOOL_COALESCE_RX_USECS_HIGH | \
ETHTOOL_COALESCE_PKT_RATE_LOW | ETHTOOL_COALESCE_PKT_RATE_HIGH | \
ETHTOOL_COALESCE_RATE_SAMPLE_INTERVAL)
#define ETHTOOL_COALESCE_USE_CQE \
(ETHTOOL_COALESCE_USE_CQE_RX | ETHTOOL_COALESCE_USE_CQE_TX)
#define ETHTOOL_COALESCE_TX_AGGR \
(ETHTOOL_COALESCE_TX_AGGR_MAX_BYTES | \
ETHTOOL_COALESCE_TX_AGGR_MAX_FRAMES | \
ETHTOOL_COALESCE_TX_AGGR_TIME_USECS)
#define ETHTOOL_STAT_NOT_SET (~0 ULL)
static inline void ethtool_stats_init(u64 *stats, unsigned int n)
{
while (n--)
stats[n] = ETHTOOL_STAT_NOT_SET;
}
/* Basic IEEE 802.3 MAC statistics (30.3.1.1.*), not otherwise exposed
* via a more targeted API .
*/
struct ethtool_eth_mac_stats {
enum ethtool_mac_stats_src src;
struct_group(stats,
u64 FramesTransmittedOK;
u64 SingleCollisionFrames;
u64 MultipleCollisionFrames;
u64 FramesReceivedOK;
u64 FrameCheckSequenceErrors;
u64 AlignmentErrors;
u64 OctetsTransmittedOK;
u64 FramesWithDeferredXmissions;
u64 LateCollisions;
u64 FramesAbortedDueToXSColls;
u64 FramesLostDueToIntMACXmitError;
u64 CarrierSenseErrors;
u64 OctetsReceivedOK;
u64 FramesLostDueToIntMACRcvError;
u64 MulticastFramesXmittedOK;
u64 BroadcastFramesXmittedOK;
u64 FramesWithExcessiveDeferral;
u64 MulticastFramesReceivedOK;
u64 BroadcastFramesReceivedOK;
u64 InRangeLengthErrors;
u64 OutOfRangeLengthField;
u64 FrameTooLongErrors;
);
};
/* Basic IEEE 802.3 PHY statistics (30.3.2.1.*), not otherwise exposed
* via a more targeted API .
*/
struct ethtool_eth_phy_stats {
enum ethtool_mac_stats_src src;
struct_group(stats,
u64 SymbolErrorDuringCarrier;
);
};
/**
* struct ethtool_phy_stats - PHY - level statistics counters
* @ rx_packets : Total successfully received frames
* @ rx_bytes : Total successfully received bytes
* @ rx_errors : Total received frames with errors ( e . g . , CRC errors )
* @ tx_packets : Total successfully transmitted frames
* @ tx_bytes : Total successfully transmitted bytes
* @ tx_errors : Total transmitted frames with errors
*
* This structure provides a standardized interface for reporting
* PHY - level statistics counters . It is designed to expose statistics
* commonly provided by PHYs but not explicitly defined in the IEEE
* 802 . 3 standard .
*/
struct ethtool_phy_stats {
u64 rx_packets;
u64 rx_bytes;
u64 rx_errors;
u64 tx_packets;
u64 tx_bytes;
u64 tx_errors;
};
/* Basic IEEE 802.3 MAC Ctrl statistics (30.3.3.*), not otherwise exposed
* via a more targeted API .
*/
struct ethtool_eth_ctrl_stats {
enum ethtool_mac_stats_src src;
struct_group(stats,
u64 MACControlFramesTransmitted;
u64 MACControlFramesReceived;
u64 UnsupportedOpcodesReceived;
);
};
/**
* struct ethtool_pause_stats - statistics for IEEE 802 . 3 x pause frames
* @ src : input field denoting whether stats should be queried from the eMAC or
* pMAC ( if the MM layer is supported ) . To be ignored otherwise .
* @ tx_pause_frames : transmitted pause frame count . Reported to user space
* as % ETHTOOL_A_PAUSE_STAT_TX_FRAMES .
*
* Equivalent to ` 30 . 3 . 4 . 2 aPAUSEMACCtrlFramesTransmitted `
* from the standard .
*
* @ rx_pause_frames : received pause frame count . Reported to user space
* as % ETHTOOL_A_PAUSE_STAT_RX_FRAMES . Equivalent to :
*
* Equivalent to ` 30 . 3 . 4 . 3 aPAUSEMACCtrlFramesReceived `
* from the standard .
*/
struct ethtool_pause_stats {
enum ethtool_mac_stats_src src;
struct_group(stats,
u64 tx_pause_frames;
u64 rx_pause_frames;
);
};
#define ETHTOOL_MAX_LANES 8
/**
* struct ethtool_fec_stats - statistics for IEEE 802 . 3 FEC
* @ corrected_blocks : number of received blocks corrected by FEC
* Reported to user space as % ETHTOOL_A_FEC_STAT_CORRECTED .
*
* Equivalent to ` 30 . 5 . 1 . 1 . 17 aFECCorrectedBlocks ` from the standard .
*
* @ uncorrectable_blocks : number of received blocks FEC was not able to correct
* Reported to user space as % ETHTOOL_A_FEC_STAT_UNCORR .
*
* Equivalent to ` 30 . 5 . 1 . 1 . 18 aFECUncorrectableBlocks ` from the standard .
*
* @ corrected_bits : number of bits corrected by FEC
* Similar to @ corrected_blocks but counts individual bit changes ,
* not entire FEC data blocks . This is a non - standard statistic .
* Reported to user space as % ETHTOOL_A_FEC_STAT_CORR_BITS .
*
* For each of the above fields , the two substructure members are :
*
* - @ lanes : per - lane / PCS - instance counts as defined by the standard
* - @ total : error counts for the entire port , for drivers incapable of reporting
* per - lane stats
*
* Drivers should fill in either only total or per - lane statistics , core
* will take care of adding lane values up to produce the total .
*/
struct ethtool_fec_stats {
struct ethtool_fec_stat {
u64 total;
u64 lanes[ETHTOOL_MAX_LANES];
} corrected_blocks, uncorrectable_blocks, corrected_bits;
};
/**
* struct ethtool_rmon_hist_range - byte range for histogram statistics
* @ low : low bound of the bucket ( inclusive )
* @ high : high bound of the bucket ( inclusive )
*/
struct ethtool_rmon_hist_range {
u16 low;
u16 high;
};
#define ETHTOOL_RMON_HIST_MAX 11
/**
* struct ethtool_rmon_stats - selected RMON ( RFC 2819 ) statistics
* @ src : input field denoting whether stats should be queried from the eMAC or
* pMAC ( if the MM layer is supported ) . To be ignored otherwise .
* @ undersize_pkts : Equivalent to ` etherStatsUndersizePkts ` from the RFC .
* @ oversize_pkts : Equivalent to ` etherStatsOversizePkts ` from the RFC .
* @ fragments : Equivalent to ` etherStatsFragments ` from the RFC .
* @ jabbers : Equivalent to ` etherStatsJabbers ` from the RFC .
* @ hist : Packet counter for packet length buckets ( e . g .
* ` etherStatsPkts128to255Octets ` from the RFC ) .
* @ hist_tx : Tx counters in similar form to @ hist , not defined in the RFC .
*
* Selection of RMON ( RFC 2819 ) statistics which are not exposed via different
* APIs , primarily the packet - length - based counters .
* Unfortunately different designs choose different buckets beyond
* the 1024 B mark ( jumbo frame teritory ) , so the definition of the bucket
* ranges is left to the driver .
*/
struct ethtool_rmon_stats {
enum ethtool_mac_stats_src src;
struct_group(stats,
u64 undersize_pkts;
u64 oversize_pkts;
u64 fragments;
u64 jabbers;
u64 hist[ETHTOOL_RMON_HIST_MAX];
u64 hist_tx[ETHTOOL_RMON_HIST_MAX];
);
};
/**
* struct ethtool_ts_stats - HW timestamping statistics
* @ pkts : Number of packets successfully timestamped by the hardware .
* @ onestep_pkts_unconfirmed : Number of PTP packets with one - step TX
* timestamping that were sent , but for which the
* device offers no confirmation whether they made
* it onto the wire and the timestamp was inserted
* in the originTimestamp or correctionField , or
* not .
* @ lost : Number of hardware timestamping requests where the timestamping
* information from the hardware never arrived for submission with
* the skb .
* @ err : Number of arbitrary timestamp generation error events that the
* hardware encountered , exclusive of @ lost statistics . Cases such
* as resource exhaustion , unavailability , firmware errors , and
* detected illogical timestamp values not submitted with the skb
* are inclusive to this counter .
*/
struct ethtool_ts_stats {
struct_group(tx_stats,
u64 pkts;
u64 onestep_pkts_unconfirmed;
u64 lost;
u64 err;
);
};
#define ETH_MODULE_EEPROM_PAGE_LEN 128
#define ETH_MODULE_MAX_I2C_ADDRESS 0 x7f
/**
* struct ethtool_module_eeprom - plug - in module EEPROM read / write parameters
* @ offset : When @ offset is 0 - 127 , it is used as an address to the Lower Memory
* ( @ page must be 0 ) . Otherwise , it is used as an address to the
* Upper Memory .
* @ length : Number of bytes to read / write .
* @ page : Page number .
* @ bank : Bank number , if supported by EEPROM spec .
* @ i2c_address : I2C address of a page . Value less than 0 x7f expected . Most
* EEPROMs use 0 x50 or 0 x51 .
* @ data : Pointer to buffer with EEPROM data of @ length size .
*/
struct ethtool_module_eeprom {
u32 offset;
u32 length;
u8 page;
u8 bank;
u8 i2c_address;
u8 *data;
};
/**
* struct ethtool_module_power_mode_params - module power mode parameters
* @ policy : The power mode policy enforced by the host for the plug - in module .
* @ mode : The operational power mode of the plug - in module . Should be filled by
* device drivers on get operations .
*/
struct ethtool_module_power_mode_params {
enum ethtool_module_power_mode_policy policy;
enum ethtool_module_power_mode mode;
};
/**
* struct ethtool_mm_state - 802 . 3 MAC merge layer state
* @ verify_time :
* wait time between verification attempts in ms ( according to clause
* 30 . 14 . 1 . 6 aMACMergeVerifyTime )
* @ max_verify_time :
* maximum accepted value for the @ verify_time variable in set requests
* @ verify_status :
* state of the verification state machine of the MM layer ( according to
* clause 30 . 14 . 1 . 2 aMACMergeStatusVerify )
* @ tx_enabled :
* set if the MM layer is administratively enabled in the TX direction
* ( according to clause 30 . 14 . 1 . 3 aMACMergeEnableTx )
* @ tx_active :
* set if the MM layer is enabled in the TX direction , which makes FP
* possible ( according to 30 . 14 . 1 . 5 aMACMergeStatusTx ) . This should be
* true if MM is enabled , and the verification status is either verified ,
* or disabled .
* @ pmac_enabled :
* set if the preemptible MAC is powered on and is able to receive
* preemptible packets and respond to verification frames .
* @ verify_enabled :
* set if the Verify function of the MM layer ( which sends SMD - V
* verification requests ) is administratively enabled ( regardless of
* whether it is currently in the ETHTOOL_MM_VERIFY_STATUS_DISABLED state
* or not ) , according to clause 30 . 14 . 1 . 4 aMACMergeVerifyDisableTx ( but
* using positive rather than negative logic ) . The device should always
* respond to received SMD - V requests as long as @ pmac_enabled is set .
* @ tx_min_frag_size :
* the minimum size of non - final mPacket fragments that the link partner
* supports receiving , expressed in octets . Compared to the definition
* from clause 30 . 14 . 1 . 7 aMACMergeAddFragSize which is expressed in the
* range 0 to 3 ( requiring a translation to the size in octets according
* to the formula 64 * ( 1 + addFragSize ) - 4 ) , a value in a continuous and
* unbounded range can be specified here .
* @ rx_min_frag_size :
* the minimum size of non - final mPacket fragments that this device
* supports receiving , expressed in octets .
*/
struct ethtool_mm_state {
u32 verify_time;
u32 max_verify_time;
enum ethtool_mm_verify_status verify_status;
bool tx_enabled;
bool tx_active;
bool pmac_enabled;
bool verify_enabled;
u32 tx_min_frag_size;
u32 rx_min_frag_size;
};
/**
* struct ethtool_mm_cfg - 802 . 3 MAC merge layer configuration
* @ verify_time : see struct ethtool_mm_state
* @ verify_enabled : see struct ethtool_mm_state
* @ tx_enabled : see struct ethtool_mm_state
* @ pmac_enabled : see struct ethtool_mm_state
* @ tx_min_frag_size : see struct ethtool_mm_state
*/
struct ethtool_mm_cfg {
u32 verify_time;
bool verify_enabled;
bool tx_enabled;
bool pmac_enabled;
u32 tx_min_frag_size;
};
/**
* struct ethtool_mm_stats - 802 . 3 MAC merge layer statistics
* @ MACMergeFrameAssErrorCount :
* received MAC frames with reassembly errors
* @ MACMergeFrameSmdErrorCount :
* received MAC frames / fragments rejected due to unknown or incorrect SMD
* @ MACMergeFrameAssOkCount :
* received MAC frames that were successfully reassembled and passed up
* @ MACMergeFragCountRx :
* number of additional correct SMD - C mPackets received due to preemption
* @ MACMergeFragCountTx :
* number of additional mPackets sent due to preemption
* @ MACMergeHoldCount :
* number of times the MM layer entered the HOLD state , which blocks
* transmission of preemptible traffic
*/
struct ethtool_mm_stats {
u64 MACMergeFrameAssErrorCount;
u64 MACMergeFrameSmdErrorCount;
u64 MACMergeFrameAssOkCount;
u64 MACMergeFragCountRx;
u64 MACMergeFragCountTx;
u64 MACMergeHoldCount;
};
enum ethtool_mmsv_event {
ETHTOOL_MMSV_LP_SENT_VERIFY_MPACKET,
ETHTOOL_MMSV_LD_SENT_VERIFY_MPACKET,
ETHTOOL_MMSV_LP_SENT_RESPONSE_MPACKET,
};
/* MAC Merge verification mPacket type */
enum ethtool_mpacket {
ETHTOOL_MPACKET_VERIFY,
ETHTOOL_MPACKET_RESPONSE,
};
struct ethtool_mmsv;
/**
* struct ethtool_mmsv_ops - Operations for MAC Merge Software Verification
* @ configure_tx : Driver callback for the event where the preemptible TX
* becomes active or inactive . Preemptible traffic
* classes must be committed to hardware only while
* preemptible TX is active .
* @ configure_pmac : Driver callback for the event where the pMAC state
* changes as result of an administrative setting
* ( ethtool ) or a call to ethtool_mmsv_link_state_handle ( ) .
* @ send_mpacket : Driver - provided method for sending a Verify or a Response
* mPacket .
*/
struct ethtool_mmsv_ops {
void (*configure_tx)(struct ethtool_mmsv *mmsv, bool tx_active);
void (*configure_pmac)(struct ethtool_mmsv *mmsv, bool pmac_enabled);
void (*send_mpacket)(struct ethtool_mmsv *mmsv, enum ethtool_mpacket mpacket);
};
/**
* struct ethtool_mmsv - MAC Merge Software Verification
* @ ops : operations for MAC Merge Software Verification
* @ dev : pointer to net_device structure
* @ lock : serialize access to MAC Merge state between
* ethtool requests and link state updates .
* @ status : current verification FSM state
* @ verify_timer : timer for verification in local TX direction
* @ verify_enabled : indicates if verification is enabled
* @ verify_retries : number of retries for verification
* @ pmac_enabled : indicates if the preemptible MAC is enabled
* @ verify_time : time for verification in milliseconds
* @ tx_enabled : indicates if transmission is enabled
*/
struct ethtool_mmsv {
const struct ethtool_mmsv_ops *ops;
struct net_device *dev;
spinlock_t lock;
enum ethtool_mm_verify_status status;
struct timer_list verify_timer;
bool verify_enabled;
int verify_retries;
bool pmac_enabled;
u32 verify_time;
bool tx_enabled;
};
void ethtool_mmsv_stop(struct ethtool_mmsv *mmsv);
void ethtool_mmsv_link_state_handle(struct ethtool_mmsv *mmsv, bool up);
void ethtool_mmsv_event_handle(struct ethtool_mmsv *mmsv,
enum ethtool_mmsv_event event);
void ethtool_mmsv_get_mm(struct ethtool_mmsv *mmsv,
struct ethtool_mm_state *state);
void ethtool_mmsv_set_mm(struct ethtool_mmsv *mmsv, struct ethtool_mm_cfg *cfg);
void ethtool_mmsv_init(struct ethtool_mmsv *mmsv, struct net_device *dev,
const struct ethtool_mmsv_ops *ops);
/**
* struct ethtool_rxfh_param - RXFH ( RSS ) parameters
* @ hfunc : Defines the current RSS hash function used by HW ( or to be set to ) .
* Valid values are one of the % ETH_RSS_HASH_ * .
* @ indir_size : On SET , the array size of the user buffer for the
* indirection table , which may be zero , or
* % ETH_RXFH_INDIR_NO_CHANGE . On GET ( read from the driver ) ,
* the array size of the hardware indirection table .
* @ indir : The indirection table of size @ indir_size entries .
* @ key_size : On SET , the array size of the user buffer for the hash key ,
* which may be zero . On GET ( read from the driver ) , the size of the
* hardware hash key .
* @ key : The hash key of size @ key_size bytes .
* @ rss_context : RSS context identifier . Context 0 is the default for normal
* traffic ; other contexts can be referenced as the destination for RX flow
* classification rules . On SET , % ETH_RXFH_CONTEXT_ALLOC is used
* to allocate a new RSS context ; on return this field will
* contain the ID of the newly allocated context .
* @ rss_delete : Set to non - ZERO to remove the @ rss_context context .
* @ input_xfrm : Defines how the input data is transformed . Valid values are one
* of % RXH_XFRM_ * .
*/
struct ethtool_rxfh_param {
u8 hfunc;
u32 indir_size;
u32 *indir;
u32 key_size;
u8 *key;
u32 rss_context;
u8 rss_delete;
u8 input_xfrm;
};
/**
* struct ethtool_rxfh_fields - Rx Flow Hashing ( RXFH ) header field config
* @ data : which header fields are used for hashing , bitmask of RXH_ * defines
* @ flow_type : L2 - L4 network traffic flow type
* @ rss_context : RSS context , will only be used if rxfh_per_ctx_fields is
* set in struct ethtool_ops
*/
struct ethtool_rxfh_fields {
u32 data;
u32 flow_type;
u32 rss_context;
};
/**
* struct kernel_ethtool_ts_info - kernel copy of struct ethtool_ts_info
* @ cmd : command number = % ETHTOOL_GET_TS_INFO
* @ so_timestamping : bit mask of the sum of the supported SO_TIMESTAMPING flags
* @ phc_index : device index of the associated PHC , or - 1 if there is none
* @ phc_qualifier : qualifier of the associated PHC
* @ phc_source : source device of the associated PHC
* @ phc_phyindex : index of PHY device source of the associated PHC
* @ tx_types : bit mask of the supported hwtstamp_tx_types enumeration values
* @ rx_filters : bit mask of the supported hwtstamp_rx_filters enumeration values
*/
struct kernel_ethtool_ts_info {
u32 cmd;
u32 so_timestamping;
int phc_index;
enum hwtstamp_provider_qualifier phc_qualifier;
enum hwtstamp_source phc_source;
int phc_phyindex;
u32 tx_types;
u32 rx_filters;
};
/**
* struct ethtool_ops - optional netdev operations
* @ supported_input_xfrm : supported types of input xfrm from % RXH_XFRM_ * .
* @ cap_link_lanes_supported : indicates if the driver supports lanes
* parameter .
* @ rxfh_per_ctx_fields : device supports selecting different header fields
* for Rx hash calculation and RSS for each additional context .
* @ rxfh_per_ctx_key : device supports setting different RSS key for each
* additional context . Netlink API should report hfunc , key , and input_xfrm
* for every context , not just context 0 .
* @ cap_rss_rxnfc_adds : device supports nonzero ring_cookie in filters with
* % FLOW_RSS flag ; the queue ID from the filter is added to the value from
* the indirection table to determine the delivery queue .
* @ rxfh_indir_space : max size of RSS indirection tables , if indirection table
* size as returned by @ get_rxfh_indir_size may change during lifetime
* of the device . Leave as 0 if the table size is constant .
* @ rxfh_key_space : same as @ rxfh_indir_space , but for the key .
* @ rxfh_priv_size : size of the driver private data area the core should
* allocate for an RSS context ( in & struct ethtool_rxfh_context ) .
* @ rxfh_max_num_contexts : maximum ( exclusive ) supported RSS context ID .
* If this is zero then the core may choose any ( nonzero ) ID , otherwise
* the core will only use IDs strictly less than this value , as the
* @ rss_context argument to @ create_rxfh_context and friends .
* @ supported_coalesce_params : supported types of interrupt coalescing .
* @ supported_ring_params : supported ring params .
* @ supported_hwtstamp_qualifiers : bitfield of supported hwtstamp qualifier .
* @ get_drvinfo : Report driver / device information . Modern drivers no
* longer have to implement this callback . Most fields are
* correctly filled in by the core using system information , or
* populated using other driver operations .
* @ get_regs_len : Get buffer length required for @ get_regs
* @ get_regs : Get device registers
* @ get_wol : Report whether Wake - on - Lan is enabled
* @ set_wol : Turn Wake - on - Lan on or off . Returns a negative error code
* or zero .
* @ get_msglevel : Report driver message level . This should be the value
* of the @ msg_enable field used by netif logging functions .
* @ set_msglevel : Set driver message level
* @ nway_reset : Restart autonegotiation . Returns a negative error code
* or zero .
* @ get_link : Report whether physical link is up . Will only be called if
* the netdev is up . Should usually be set to ethtool_op_get_link ( ) ,
* which uses netif_carrier_ok ( ) .
* @ get_link_ext_state : Report link extended state . Should set link_ext_state and
* link_ext_substate ( link_ext_substate of 0 means link_ext_substate is unknown ,
* do not attach ext_substate attribute to netlink message ) . If link_ext_state
* and link_ext_substate are unknown , return - ENODATA . If not implemented ,
* link_ext_state and link_ext_substate will not be sent to userspace .
* @ get_link_ext_stats : Read extra link - related counters .
* @ get_eeprom_len : Read range of EEPROM addresses for validation of
* @ get_eeprom and @ set_eeprom requests .
* Returns 0 if device does not support EEPROM access .
* @ get_eeprom : Read data from the device EEPROM .
* Should fill in the magic field . Don ' t need to check len for zero
* or wraparound . Fill in the data argument with the eeprom values
* from offset to offset + len . Update len to the amount read .
* Returns an error or zero .
* @ set_eeprom : Write data to the device EEPROM .
* Should validate the magic field . Don ' t need to check len for zero
* or wraparound . Update len to the amount written . Returns an error
* or zero .
* @ get_coalesce : Get interrupt coalescing parameters . Returns a negative
* error code or zero .
* @ set_coalesce : Set interrupt coalescing parameters . Supported coalescing
* types should be set in @ supported_coalesce_params .
* Returns a negative error code or zero .
* @ get_ringparam : Report ring sizes
* @ set_ringparam : Set ring sizes . Returns a negative error code or zero .
* @ get_pause_stats : Report pause frame statistics . Drivers must not zero
* statistics which they don ' t report . The stats structure is initialized
* to ETHTOOL_STAT_NOT_SET indicating driver does not report statistics .
* @ get_pauseparam : Report pause parameters
* @ set_pauseparam : Set pause parameters . Returns a negative error code
* or zero .
* @ self_test : Run specified self - tests
* @ get_strings : Return a set of strings that describe the requested objects
* @ set_phys_id : Identify the physical devices , e . g . by flashing an LED
* attached to it . The implementation may update the indicator
* asynchronously or synchronously , but in either case it must return
* quickly . It is initially called with the argument % ETHTOOL_ID_ACTIVE ,
* and must either activate asynchronous updates and return zero , return
* a negative error or return a positive frequency for synchronous
* indication ( e . g . 1 for one on / off cycle per second ) . If it returns
* a frequency then it will be called again at intervals with the
* argument % ETHTOOL_ID_ON or % ETHTOOL_ID_OFF and should set the state of
* the indicator accordingly . Finally , it is called with the argument
* % ETHTOOL_ID_INACTIVE and must deactivate the indicator . Returns a
* negative error code or zero .
* @ get_ethtool_stats : Return extended statistics about the device .
* This is only useful if the device maintains statistics not
* included in & struct rtnl_link_stats64 .
* @ begin : Function to be called before any other operation . Returns a
* negative error code or zero .
* @ complete : Function to be called after any other operation except
* @ begin . Will be called even if the other operation failed .
* @ get_priv_flags : Report driver - specific feature flags .
* @ set_priv_flags : Set driver - specific feature flags . Returns a negative
* error code or zero .
* @ get_sset_count : Get number of strings that @ get_strings will write .
* @ get_rxnfc : Get RX flow classification rules . Returns a negative
* error code or zero .
* @ set_rxnfc : Set RX flow classification rules . Returns a negative
* error code or zero .
* @ flash_device : Write a firmware image to device ' s flash memory .
* Returns a negative error code or zero .
* @ reset : Reset ( part of ) the device , as specified by a bitmask of
* flags from & enum ethtool_reset_flags . Returns a negative
* error code or zero .
* @ get_rxfh_key_size : Get the size of the RX flow hash key .
* Returns zero if not supported for this specific device .
* @ get_rxfh_indir_size : Get the size of the RX flow hash indirection table .
* Returns zero if not supported for this specific device .
* @ get_rxfh : Get the contents of the RX flow hash indirection table , hash key
* and / or hash function .
* Returns a negative error code or zero .
* @ set_rxfh : Set the contents of the RX flow hash indirection table , hash
* key , and / or hash function . Arguments which are set to % NULL or zero
* will remain unchanged .
* Returns a negative error code or zero . An error code must be returned
* if at least one unsupported change was requested .
* @ get_rxfh_fields : Get header fields used for flow hashing .
* @ set_rxfh_fields : Set header fields used for flow hashing .
* @ create_rxfh_context : Create a new RSS context with the specified RX flow
* hash indirection table , hash key , and hash function .
* The & struct ethtool_rxfh_context for this context is passed in @ ctx ;
* note that the indir table , hkey and hfunc are not yet populated as
* of this call . The driver does not need to update these ; the core
* will do so if this op succeeds .
* However , if @ rxfh . indir is set to % NULL , the driver must update the
* indir table in @ ctx with the ( default or inherited ) table actually in
* use ; similarly , if @ rxfh . key is % NULL , @ rxfh . hfunc is
* % ETH_RSS_HASH_NO_CHANGE , or @ rxfh . input_xfrm is % RXH_XFRM_NO_CHANGE ,
* the driver should update the corresponding information in @ ctx .
* If the driver provides this method , it must also provide
* @ modify_rxfh_context and @ remove_rxfh_context .
* Returns a negative error code or zero .
* @ modify_rxfh_context : Reconfigure the specified RSS context . Allows setting
* the contents of the RX flow hash indirection table , hash key , and / or
* hash function associated with the given context .
* Parameters which are set to % NULL or zero will remain unchanged .
* The & struct ethtool_rxfh_context for this context is passed in @ ctx ;
* note that it will still contain the * old * settings . The driver does
* not need to update these ; the core will do so if this op succeeds .
* Returns a negative error code or zero . An error code must be returned
* if at least one unsupported change was requested .
* @ remove_rxfh_context : Remove the specified RSS context .
* The & struct ethtool_rxfh_context for this context is passed in @ ctx .
* Returns a negative error code or zero .
* @ get_channels : Get number of channels .
* @ set_channels : Set number of channels . Returns a negative error code or
* zero .
* @ get_dump_flag : Get dump flag indicating current dump length , version ,
* and flag of the device .
* @ get_dump_data : Get dump data .
* @ set_dump : Set dump specific flags to the device .
* @ get_ts_info : Get the time stamping and PTP hardware clock capabilities .
* It may be called with RCU , or rtnl or reference on the device .
* Drivers supporting transmit time stamps in software should set this to
* ethtool_op_get_ts_info ( ) .
* @ get_ts_stats : Query the device hardware timestamping statistics . Drivers
* must not zero statistics which they don ' t report . The stats structure
* is initialized to ETHTOOL_STAT_NOT_SET indicating driver does not
* report statistics .
* @ get_module_info : Get the size and type of the eeprom contained within
* a plug - in module .
* @ get_module_eeprom : Get the eeprom information from the plug - in module
* @ get_eee : Get Energy - Efficient ( EEE ) supported and status .
* @ set_eee : Set EEE status ( enable / disable ) as well as LPI timers .
* @ get_tunable : Read the value of a driver / device tunable .
* @ set_tunable : Set the value of a driver / device tunable .
* @ get_per_queue_coalesce : Get interrupt coalescing parameters per queue .
* It must check that the given queue number is valid . If neither a RX nor
* a TX queue has this number , return - EINVAL . If only a RX queue or a TX
* queue has this number , set the inapplicable fields to ~ 0 and return 0 .
* Returns a negative error code or zero .
* @ set_per_queue_coalesce : Set interrupt coalescing parameters per queue .
* It must check that the given queue number is valid . If neither a RX nor
* a TX queue has this number , return - EINVAL . If only a RX queue or a TX
* queue has this number , ignore the inapplicable fields . Supported
* coalescing types should be set in @ supported_coalesce_params .
* Returns a negative error code or zero .
* @ get_link_ksettings : Get various device settings including Ethernet link
* settings . The % cmd and % link_mode_masks_nwords fields should be
* ignored ( use % _ _ ETHTOOL_LINK_MODE_MASK_NBITS instead of the latter ) ,
* any change to them will be overwritten by kernel . Returns a negative
* error code or zero .
* @ set_link_ksettings : Set various device settings including Ethernet link
* settings . The % cmd and % link_mode_masks_nwords fields should be
* ignored ( use % _ _ ETHTOOL_LINK_MODE_MASK_NBITS instead of the latter ) ,
* any change to them will be overwritten by kernel . Returns a negative
* error code or zero .
* @ get_fec_stats : Report FEC statistics .
* Core will sum up per - lane stats to get the total .
* Drivers must not zero statistics which they don ' t report . The stats
* structure is initialized to ETHTOOL_STAT_NOT_SET indicating driver does
* not report statistics .
* @ get_fecparam : Get the network device Forward Error Correction parameters .
* @ set_fecparam : Set the network device Forward Error Correction parameters .
* @ get_ethtool_phy_stats : Return extended statistics about the PHY device .
* This is only useful if the device maintains PHY statistics and
* cannot use the standard PHY library helpers .
* @ get_phy_tunable : Read the value of a PHY tunable .
* @ set_phy_tunable : Set the value of a PHY tunable .
* @ get_module_eeprom_by_page : Get a region of plug - in module EEPROM data from
* specified page . Returns a negative error code or the amount of bytes
* read .
* @ set_module_eeprom_by_page : Write to a region of plug - in module EEPROM ,
* from kernel space only . Returns a negative error code or zero .
* @ get_eth_phy_stats : Query some of the IEEE 802 . 3 PHY statistics .
* @ get_eth_mac_stats : Query some of the IEEE 802 . 3 MAC statistics .
* @ get_eth_ctrl_stats : Query some of the IEEE 802 . 3 MAC Ctrl statistics .
* @ get_rmon_stats : Query some of the RMON ( RFC 2819 ) statistics .
* Set % ranges to a pointer to zero - terminated array of byte ranges .
* @ get_module_power_mode : Get the power mode policy for the plug - in module
* used by the network device and its operational power mode , if
* plugged - in .
* @ set_module_power_mode : Set the power mode policy for the plug - in module
* used by the network device .
* @ get_mm : Query the 802 . 3 MAC Merge layer state .
* @ set_mm : Set the 802 . 3 MAC Merge layer parameters .
* @ get_mm_stats : Query the 802 . 3 MAC Merge layer statistics .
*
* All operations are optional ( i . e . the function pointer may be set
* to % NULL ) and callers must take this into account . Callers must
* hold the RTNL lock .
*
* See the structures used by these operations for further documentation .
* Note that for all operations using a structure ending with a zero -
* length array , the array is allocated separately in the kernel and
* is passed to the driver as an additional parameter .
*
* See & struct net_device and & struct net_device_ops for documentation
* of the generic netdev features interface .
*/
struct ethtool_ops {
u32 supported_input_xfrm:8 ;
u32 cap_link_lanes_supported:1 ;
u32 rxfh_per_ctx_fields:1 ;
u32 rxfh_per_ctx_key:1 ;
u32 cap_rss_rxnfc_adds:1 ;
u32 rxfh_indir_space;
u16 rxfh_key_space;
u16 rxfh_priv_size;
u32 rxfh_max_num_contexts;
u32 supported_coalesce_params;
u32 supported_ring_params;
u32 supported_hwtstamp_qualifiers;
void (*get_drvinfo)(struct net_device *, struct ethtool_drvinfo *);
int (*get_regs_len)(struct net_device *);
void (*get_regs)(struct net_device *, struct ethtool_regs *, void *);
void (*get_wol)(struct net_device *, struct ethtool_wolinfo *);
int (*set_wol)(struct net_device *, struct ethtool_wolinfo *);
u32 (*get_msglevel)(struct net_device *);
void (*set_msglevel)(struct net_device *, u32);
int (*nway_reset)(struct net_device *);
u32 (*get_link)(struct net_device *);
int (*get_link_ext_state)(struct net_device *,
struct ethtool_link_ext_state_info *);
void (*get_link_ext_stats)(struct net_device *dev,
struct ethtool_link_ext_stats *stats);
int (*get_eeprom_len)(struct net_device *);
int (*get_eeprom)(struct net_device *,
struct ethtool_eeprom *, u8 *);
int (*set_eeprom)(struct net_device *,
struct ethtool_eeprom *, u8 *);
int (*get_coalesce)(struct net_device *,
struct ethtool_coalesce *,
struct kernel_ethtool_coalesce *,
struct netlink_ext_ack *);
int (*set_coalesce)(struct net_device *,
struct ethtool_coalesce *,
struct kernel_ethtool_coalesce *,
struct netlink_ext_ack *);
void (*get_ringparam)(struct net_device *,
struct ethtool_ringparam *,
struct kernel_ethtool_ringparam *,
struct netlink_ext_ack *);
int (*set_ringparam)(struct net_device *,
struct ethtool_ringparam *,
struct kernel_ethtool_ringparam *,
struct netlink_ext_ack *);
void (*get_pause_stats)(struct net_device *dev,
struct ethtool_pause_stats *pause_stats);
void (*get_pauseparam)(struct net_device *,
struct ethtool_pauseparam*);
int (*set_pauseparam)(struct net_device *,
struct ethtool_pauseparam*);
void (*self_test)(struct net_device *, struct ethtool_test *, u64 *);
void (*get_strings)(struct net_device *, u32 stringset, u8 *);
int (*set_phys_id)(struct net_device *, enum ethtool_phys_id_state);
void (*get_ethtool_stats)(struct net_device *,
struct ethtool_stats *, u64 *);
int (*begin)(struct net_device *);
void (*complete)(struct net_device *);
u32 (*get_priv_flags)(struct net_device *);
int (*set_priv_flags)(struct net_device *, u32);
int (*get_sset_count)(struct net_device *, int );
int (*get_rxnfc)(struct net_device *,
struct ethtool_rxnfc *, u32 *rule_locs);
int (*set_rxnfc)(struct net_device *, struct ethtool_rxnfc *);
int (*flash_device)(struct net_device *, struct ethtool_flash *);
int (*reset)(struct net_device *, u32 *);
u32 (*get_rxfh_key_size)(struct net_device *);
u32 (*get_rxfh_indir_size)(struct net_device *);
int (*get_rxfh)(struct net_device *, struct ethtool_rxfh_param *);
int (*set_rxfh)(struct net_device *, struct ethtool_rxfh_param *,
struct netlink_ext_ack *extack);
int (*get_rxfh_fields)(struct net_device *,
struct ethtool_rxfh_fields *);
int (*set_rxfh_fields)(struct net_device *,
const struct ethtool_rxfh_fields *,
struct netlink_ext_ack *extack);
int (*create_rxfh_context)(struct net_device *,
struct ethtool_rxfh_context *ctx,
const struct ethtool_rxfh_param *rxfh,
struct netlink_ext_ack *extack);
int (*modify_rxfh_context)(struct net_device *,
struct ethtool_rxfh_context *ctx,
const struct ethtool_rxfh_param *rxfh,
struct netlink_ext_ack *extack);
int (*remove_rxfh_context)(struct net_device *,
struct ethtool_rxfh_context *ctx,
u32 rss_context,
struct netlink_ext_ack *extack);
void (*get_channels)(struct net_device *, struct ethtool_channels *);
int (*set_channels)(struct net_device *, struct ethtool_channels *);
int (*get_dump_flag)(struct net_device *, struct ethtool_dump *);
int (*get_dump_data)(struct net_device *,
struct ethtool_dump *, void *);
int (*set_dump)(struct net_device *, struct ethtool_dump *);
int (*get_ts_info)(struct net_device *, struct kernel_ethtool_ts_info *);
void (*get_ts_stats)(struct net_device *dev,
struct ethtool_ts_stats *ts_stats);
int (*get_module_info)(struct net_device *,
struct ethtool_modinfo *);
int (*get_module_eeprom)(struct net_device *,
struct ethtool_eeprom *, u8 *);
int (*get_eee)(struct net_device *dev, struct ethtool_keee *eee);
int (*set_eee)(struct net_device *dev, struct ethtool_keee *eee);
int (*get_tunable)(struct net_device *,
const struct ethtool_tunable *, void *);
int (*set_tunable)(struct net_device *,
const struct ethtool_tunable *, const void *);
int (*get_per_queue_coalesce)(struct net_device *, u32,
struct ethtool_coalesce *);
int (*set_per_queue_coalesce)(struct net_device *, u32,
struct ethtool_coalesce *);
int (*get_link_ksettings)(struct net_device *,
struct ethtool_link_ksettings *);
int (*set_link_ksettings)(struct net_device *,
const struct ethtool_link_ksettings *);
void (*get_fec_stats)(struct net_device *dev,
struct ethtool_fec_stats *fec_stats);
int (*get_fecparam)(struct net_device *,
struct ethtool_fecparam *);
int (*set_fecparam)(struct net_device *,
struct ethtool_fecparam *);
void (*get_ethtool_phy_stats)(struct net_device *,
struct ethtool_stats *, u64 *);
int (*get_phy_tunable)(struct net_device *,
const struct ethtool_tunable *, void *);
int (*set_phy_tunable)(struct net_device *,
const struct ethtool_tunable *, const void *);
int (*get_module_eeprom_by_page)(struct net_device *dev,
const struct ethtool_module_eeprom *page,
struct netlink_ext_ack *extack);
int (*set_module_eeprom_by_page)(struct net_device *dev,
const struct ethtool_module_eeprom *page,
struct netlink_ext_ack *extack);
void (*get_eth_phy_stats)(struct net_device *dev,
struct ethtool_eth_phy_stats *phy_stats);
void (*get_eth_mac_stats)(struct net_device *dev,
struct ethtool_eth_mac_stats *mac_stats);
void (*get_eth_ctrl_stats)(struct net_device *dev,
struct ethtool_eth_ctrl_stats *ctrl_stats);
void (*get_rmon_stats)(struct net_device *dev,
struct ethtool_rmon_stats *rmon_stats,
const struct ethtool_rmon_hist_range **ranges);
int (*get_module_power_mode)(struct net_device *dev,
struct ethtool_module_power_mode_params *params,
struct netlink_ext_ack *extack);
int (*set_module_power_mode)(struct net_device *dev,
const struct ethtool_module_power_mode_params *params,
struct netlink_ext_ack *extack);
int (*get_mm)(struct net_device *dev, struct ethtool_mm_state *state);
int (*set_mm)(struct net_device *dev, struct ethtool_mm_cfg *cfg,
struct netlink_ext_ack *extack);
void (*get_mm_stats)(struct net_device *dev, struct ethtool_mm_stats *stats);
};
int ethtool_check_ops(const struct ethtool_ops *ops);
struct ethtool_rx_flow_rule {
struct flow_rule *rule;
unsigned long priv[];
};
struct ethtool_rx_flow_spec_input {
const struct ethtool_rx_flow_spec *fs;
u32 rss_ctx;
};
struct ethtool_rx_flow_rule *
ethtool_rx_flow_rule_create(const struct ethtool_rx_flow_spec_input *input);
void ethtool_rx_flow_rule_destroy(struct ethtool_rx_flow_rule *rule);
bool ethtool_virtdev_validate_cmd(const struct ethtool_link_ksettings *cmd);
int ethtool_virtdev_set_link_ksettings(struct net_device *dev,
const struct ethtool_link_ksettings *cmd,
u32 *dev_speed, u8 *dev_duplex);
/**
* struct ethtool_netdev_state - per - netdevice state for ethtool features
* @ rss_ctx : XArray of custom RSS contexts
* @ rss_lock : Protects entries in @ rss_ctx . May be taken from
* within RTNL .
* @ wol_enabled : Wake - on - LAN is enabled
* @ module_fw_flash_in_progress : Module firmware flashing is in progress .
*/
struct ethtool_netdev_state {
struct xarray rss_ctx;
struct mutex rss_lock;
unsigned wol_enabled:1 ;
unsigned module_fw_flash_in_progress:1 ;
};
struct phy_device;
struct phy_tdr_config;
struct phy_plca_cfg;
struct phy_plca_status;
/**
* struct ethtool_phy_ops - Optional PHY device options
* @ get_sset_count : Get number of strings that @ get_strings will write .
* @ get_strings : Return a set of strings that describe the requested objects
* @ get_stats : Return extended statistics about the PHY device .
* @ get_plca_cfg : Return PLCA configuration .
* @ set_plca_cfg : Set PLCA configuration .
* @ get_plca_status : Get PLCA configuration .
* @ start_cable_test : Start a cable test
* @ start_cable_test_tdr : Start a Time Domain Reflectometry cable test
*
* All operations are optional ( i . e . the function pointer may be set to % NULL )
* and callers must take this into account . Callers must hold the RTNL lock .
*/
struct ethtool_phy_ops {
int (*get_sset_count)(struct phy_device *dev);
int (*get_strings)(struct phy_device *dev, u8 *data);
int (*get_stats)(struct phy_device *dev,
struct ethtool_stats *stats, u64 *data);
int (*get_plca_cfg)(struct phy_device *dev,
struct phy_plca_cfg *plca_cfg);
int (*set_plca_cfg)(struct phy_device *dev,
const struct phy_plca_cfg *plca_cfg,
struct netlink_ext_ack *extack);
int (*get_plca_status)(struct phy_device *dev,
struct phy_plca_status *plca_st);
int (*start_cable_test)(struct phy_device *phydev,
struct netlink_ext_ack *extack);
int (*start_cable_test_tdr)(struct phy_device *phydev,
struct netlink_ext_ack *extack,
const struct phy_tdr_config *config);
};
/**
* ethtool_set_ethtool_phy_ops - Set the ethtool_phy_ops singleton
* @ ops : Ethtool PHY operations to set
*/
void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops);
/**
* ethtool_params_from_link_mode - Derive link parameters from a given link mode
* @ link_ksettings : Link parameters to be derived from the link mode
* @ link_mode : Link mode
*/
void
ethtool_params_from_link_mode(struct ethtool_link_ksettings *link_ksettings,
enum ethtool_link_mode_bit_indices link_mode);
/**
* ethtool_get_phc_vclocks - Derive phc vclocks information , and caller
* is responsible to free memory of vclock_index
* @ dev : pointer to net_device structure
* @ vclock_index : pointer to pointer of vclock index
*
* Return : number of phc vclocks
*/
int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index);
/* Some generic methods drivers may use in their ethtool_ops */
u32 ethtool_op_get_link(struct net_device *dev);
int ethtool_op_get_ts_info(struct net_device *dev,
struct kernel_ethtool_ts_info *eti);
/**
* ethtool_mm_frag_size_add_to_min - Translate ( standard ) additional fragment
* size expressed as multiplier into ( absolute ) minimum fragment size
* value expressed in octets
* @ val_add : Value of addFragSize multiplier
*/
static inline u32 ethtool_mm_frag_size_add_to_min(u32 val_add)
{
return (ETH_ZLEN + ETH_FCS_LEN) * (1 + val_add) - ETH_FCS_LEN;
}
/**
* ethtool_mm_frag_size_min_to_add - Translate ( absolute ) minimum fragment size
* expressed in octets into ( standard ) additional fragment size expressed
* as multiplier
* @ val_min : Value of addFragSize variable in octets
* @ val_add : Pointer where the standard addFragSize value is to be returned
* @ extack : Netlink extended ack
*
* Translate a value in octets to one of 0 , 1 , 2 , 3 according to the reverse
* application of the 802 . 3 formula 64 * ( 1 + addFragSize ) - 4 . To be called
* by drivers which do not support programming the minimum fragment size to a
* continuous range . Returns error on other fragment length values .
*/
static inline int ethtool_mm_frag_size_min_to_add(u32 val_min, u32 *val_add,
struct netlink_ext_ack *extack)
{
u32 add_frag_size;
for (add_frag_size = 0 ; add_frag_size < 4 ; add_frag_size++) {
if (ethtool_mm_frag_size_add_to_min(add_frag_size) == val_min) {
*val_add = add_frag_size;
return 0 ;
}
}
NL_SET_ERR_MSG_MOD(extack,
"minFragSize required to be one of 60, 124, 188 or 252" );
return -EINVAL;
}
/**
* ethtool_get_ts_info_by_layer - Obtains time stamping capabilities from the MAC or PHY layer .
* @ dev : pointer to net_device structure
* @ info : buffer to hold the result
* Returns : zero on success , non - zero otherwise .
*/
int ethtool_get_ts_info_by_layer(struct net_device *dev,
struct kernel_ethtool_ts_info *info);
/**
* ethtool_sprintf - Write formatted string to ethtool string data
* @ data : Pointer to a pointer to the start of string to update
* @ fmt : Format of string to write
*
* Write formatted string to * data . Update * data to point at start of
* next string .
*/
extern __printf(2 , 3 ) void ethtool_sprintf(u8 **data, const char *fmt, ...);
/**
* ethtool_puts - Write string to ethtool string data
* @ data : Pointer to a pointer to the start of string to update
* @ str : String to write
*
* Write string to * data without a trailing newline . Update * data
* to point at start of next string .
*
* Prefer this function to ethtool_sprintf ( ) when given only
* two arguments or if @ fmt is just " % s " .
*/
extern void ethtool_puts(u8 **data, const char *str);
/**
* ethtool_cpy - Write possibly - not - NUL - terminated string to ethtool string data
* @ data : Pointer to a pointer to the start of string to write into
* @ str : NUL - byte padded char array of size ETH_GSTRING_LEN to copy from
*/
#define ethtool_cpy(data, str) do { \
BUILD_BUG_ON(sizeof (str) != ETH_GSTRING_LEN); \
memcpy(*(data), str, ETH_GSTRING_LEN); \
*(data) += ETH_GSTRING_LEN; \
} while (0 )
/* Link mode to forced speed capabilities maps */
struct ethtool_forced_speed_map {
u32 speed;
__ETHTOOL_DECLARE_LINK_MODE_MASK(caps);
const u32 *cap_arr;
u32 arr_size;
};
#define ETHTOOL_FORCED_SPEED_MAP(prefix, value) \
{ \
.speed = SPEED_## value, \
.cap_arr = prefix## _## value, \
.arr_size = ARRAY_SIZE(prefix## _## value), \
}
void
ethtool_forced_speed_maps_init(struct ethtool_forced_speed_map *maps, u32 size);
#endif /* _LINUX_ETHTOOL_H */
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