1049 lines
41 KiB
C
1049 lines
41 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* ethtool.h: Defines for Linux ethtool.
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*
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* Copyright (C) 1998 David S. Miller (davem@redhat.com)
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* Copyright 2001 Jeff Garzik <jgarzik@pobox.com>
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* Portions Copyright 2001 Sun Microsystems (thockin@sun.com)
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* Portions Copyright 2002 Intel (eli.kupermann@intel.com,
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* christopher.leech@intel.com,
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* scott.feldman@intel.com)
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* Portions Copyright (C) Sun Microsystems 2008
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*/
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#ifndef _LINUX_ETHTOOL_H
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#define _LINUX_ETHTOOL_H
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#include <linux/bitmap.h>
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#include <linux/compat.h>
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#include <linux/if_ether.h>
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#include <linux/netlink.h>
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#include <uapi/linux/ethtool.h>
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struct compat_ethtool_rx_flow_spec {
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u32 flow_type;
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union ethtool_flow_union h_u;
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struct ethtool_flow_ext h_ext;
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union ethtool_flow_union m_u;
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struct ethtool_flow_ext m_ext;
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compat_u64 ring_cookie;
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u32 location;
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};
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struct compat_ethtool_rxnfc {
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u32 cmd;
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u32 flow_type;
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compat_u64 data;
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struct compat_ethtool_rx_flow_spec fs;
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u32 rule_cnt;
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u32 rule_locs[];
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};
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#include <linux/rculist.h>
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/**
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* enum ethtool_phys_id_state - indicator state for physical identification
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* @ETHTOOL_ID_INACTIVE: Physical ID indicator should be deactivated
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* @ETHTOOL_ID_ACTIVE: Physical ID indicator should be activated
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* @ETHTOOL_ID_ON: LED should be turned on (used iff %ETHTOOL_ID_ACTIVE
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* is not supported)
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* @ETHTOOL_ID_OFF: LED should be turned off (used iff %ETHTOOL_ID_ACTIVE
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* is not supported)
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*/
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enum ethtool_phys_id_state {
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ETHTOOL_ID_INACTIVE,
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ETHTOOL_ID_ACTIVE,
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ETHTOOL_ID_ON,
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ETHTOOL_ID_OFF
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};
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enum {
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ETH_RSS_HASH_TOP_BIT, /* Configurable RSS hash function - Toeplitz */
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ETH_RSS_HASH_XOR_BIT, /* Configurable RSS hash function - Xor */
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ETH_RSS_HASH_CRC32_BIT, /* Configurable RSS hash function - Crc32 */
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/*
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* Add your fresh new hash function bits above and remember to update
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* rss_hash_func_strings[] in ethtool.c
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*/
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ETH_RSS_HASH_FUNCS_COUNT
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};
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/**
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* struct kernel_ethtool_ringparam - RX/TX ring configuration
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* @rx_buf_len: Current length of buffers on the rx ring.
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* @tcp_data_split: Scatter packet headers and data to separate buffers
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* @tx_push: The flag of tx push mode
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* @rx_push: The flag of rx push mode
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* @cqe_size: Size of TX/RX completion queue event
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*/
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struct kernel_ethtool_ringparam {
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u32 rx_buf_len;
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u8 tcp_data_split;
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u8 tx_push;
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u8 rx_push;
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u32 cqe_size;
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};
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/**
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* enum ethtool_supported_ring_param - indicator caps for setting ring params
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* @ETHTOOL_RING_USE_RX_BUF_LEN: capture for setting rx_buf_len
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* @ETHTOOL_RING_USE_CQE_SIZE: capture for setting cqe_size
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* @ETHTOOL_RING_USE_TX_PUSH: capture for setting tx_push
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* @ETHTOOL_RING_USE_RX_PUSH: capture for setting rx_push
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*/
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enum ethtool_supported_ring_param {
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ETHTOOL_RING_USE_RX_BUF_LEN = BIT(0),
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ETHTOOL_RING_USE_CQE_SIZE = BIT(1),
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ETHTOOL_RING_USE_TX_PUSH = BIT(2),
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ETHTOOL_RING_USE_RX_PUSH = BIT(3),
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};
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#define __ETH_RSS_HASH_BIT(bit) ((u32)1 << (bit))
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#define __ETH_RSS_HASH(name) __ETH_RSS_HASH_BIT(ETH_RSS_HASH_##name##_BIT)
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#define ETH_RSS_HASH_TOP __ETH_RSS_HASH(TOP)
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#define ETH_RSS_HASH_XOR __ETH_RSS_HASH(XOR)
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#define ETH_RSS_HASH_CRC32 __ETH_RSS_HASH(CRC32)
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#define ETH_RSS_HASH_UNKNOWN 0
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#define ETH_RSS_HASH_NO_CHANGE 0
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struct net_device;
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struct netlink_ext_ack;
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/* Link extended state and substate. */
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struct ethtool_link_ext_state_info {
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enum ethtool_link_ext_state link_ext_state;
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union {
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enum ethtool_link_ext_substate_autoneg autoneg;
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enum ethtool_link_ext_substate_link_training link_training;
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enum ethtool_link_ext_substate_link_logical_mismatch link_logical_mismatch;
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enum ethtool_link_ext_substate_bad_signal_integrity bad_signal_integrity;
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enum ethtool_link_ext_substate_cable_issue cable_issue;
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enum ethtool_link_ext_substate_module module;
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u32 __link_ext_substate;
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};
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};
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struct ethtool_link_ext_stats {
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/* Custom Linux statistic for PHY level link down events.
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* In a simpler world it should be equal to netdev->carrier_down_count
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* unfortunately netdev also counts local reconfigurations which don't
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* actually take the physical link down, not to mention NC-SI which,
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* if present, keeps the link up regardless of host state.
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* This statistic counts when PHY _actually_ went down, or lost link.
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*
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* Note that we need u64 for ethtool_stats_init() and comparisons
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* to ETHTOOL_STAT_NOT_SET, but only u32 is exposed to the user.
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*/
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u64 link_down_events;
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};
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/**
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* ethtool_rxfh_indir_default - get default value for RX flow hash indirection
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* @index: Index in RX flow hash indirection table
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* @n_rx_rings: Number of RX rings to use
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*
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* This function provides the default policy for RX flow hash indirection.
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*/
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static inline u32 ethtool_rxfh_indir_default(u32 index, u32 n_rx_rings)
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{
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return index % n_rx_rings;
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}
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/* declare a link mode bitmap */
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#define __ETHTOOL_DECLARE_LINK_MODE_MASK(name) \
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DECLARE_BITMAP(name, __ETHTOOL_LINK_MODE_MASK_NBITS)
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/* drivers must ignore base.cmd and base.link_mode_masks_nwords
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* fields, but they are allowed to overwrite them (will be ignored).
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*/
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struct ethtool_link_ksettings {
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struct ethtool_link_settings base;
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struct {
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__ETHTOOL_DECLARE_LINK_MODE_MASK(supported);
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__ETHTOOL_DECLARE_LINK_MODE_MASK(advertising);
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__ETHTOOL_DECLARE_LINK_MODE_MASK(lp_advertising);
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} link_modes;
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u32 lanes;
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};
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/**
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* ethtool_link_ksettings_zero_link_mode - clear link_ksettings link mode mask
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* @ptr : pointer to struct ethtool_link_ksettings
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* @name : one of supported/advertising/lp_advertising
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*/
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#define ethtool_link_ksettings_zero_link_mode(ptr, name) \
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bitmap_zero((ptr)->link_modes.name, __ETHTOOL_LINK_MODE_MASK_NBITS)
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/**
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* ethtool_link_ksettings_add_link_mode - set bit in link_ksettings
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* link mode mask
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* @ptr : pointer to struct ethtool_link_ksettings
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* @name : one of supported/advertising/lp_advertising
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* @mode : one of the ETHTOOL_LINK_MODE_*_BIT
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* (not atomic, no bound checking)
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*/
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#define ethtool_link_ksettings_add_link_mode(ptr, name, mode) \
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__set_bit(ETHTOOL_LINK_MODE_ ## mode ## _BIT, (ptr)->link_modes.name)
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/**
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* ethtool_link_ksettings_del_link_mode - clear bit in link_ksettings
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* link mode mask
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* @ptr : pointer to struct ethtool_link_ksettings
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* @name : one of supported/advertising/lp_advertising
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* @mode : one of the ETHTOOL_LINK_MODE_*_BIT
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* (not atomic, no bound checking)
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*/
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#define ethtool_link_ksettings_del_link_mode(ptr, name, mode) \
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__clear_bit(ETHTOOL_LINK_MODE_ ## mode ## _BIT, (ptr)->link_modes.name)
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/**
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* ethtool_link_ksettings_test_link_mode - test bit in ksettings link mode mask
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* @ptr : pointer to struct ethtool_link_ksettings
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* @name : one of supported/advertising/lp_advertising
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* @mode : one of the ETHTOOL_LINK_MODE_*_BIT
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* (not atomic, no bound checking)
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*
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* Returns true/false.
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*/
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#define ethtool_link_ksettings_test_link_mode(ptr, name, mode) \
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test_bit(ETHTOOL_LINK_MODE_ ## mode ## _BIT, (ptr)->link_modes.name)
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extern int
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__ethtool_get_link_ksettings(struct net_device *dev,
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struct ethtool_link_ksettings *link_ksettings);
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struct kernel_ethtool_coalesce {
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u8 use_cqe_mode_tx;
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u8 use_cqe_mode_rx;
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u32 tx_aggr_max_bytes;
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u32 tx_aggr_max_frames;
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u32 tx_aggr_time_usecs;
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};
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/**
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* ethtool_intersect_link_masks - Given two link masks, AND them together
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* @dst: first mask and where result is stored
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* @src: second mask to intersect with
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*
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* Given two link mode masks, AND them together and save the result in dst.
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*/
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void ethtool_intersect_link_masks(struct ethtool_link_ksettings *dst,
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struct ethtool_link_ksettings *src);
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void ethtool_convert_legacy_u32_to_link_mode(unsigned long *dst,
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u32 legacy_u32);
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/* return false if src had higher bits set. lower bits always updated. */
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bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32,
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const unsigned long *src);
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#define ETHTOOL_COALESCE_RX_USECS BIT(0)
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#define ETHTOOL_COALESCE_RX_MAX_FRAMES BIT(1)
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#define ETHTOOL_COALESCE_RX_USECS_IRQ BIT(2)
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#define ETHTOOL_COALESCE_RX_MAX_FRAMES_IRQ BIT(3)
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#define ETHTOOL_COALESCE_TX_USECS BIT(4)
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#define ETHTOOL_COALESCE_TX_MAX_FRAMES BIT(5)
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#define ETHTOOL_COALESCE_TX_USECS_IRQ BIT(6)
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#define ETHTOOL_COALESCE_TX_MAX_FRAMES_IRQ BIT(7)
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#define ETHTOOL_COALESCE_STATS_BLOCK_USECS BIT(8)
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#define ETHTOOL_COALESCE_USE_ADAPTIVE_RX BIT(9)
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#define ETHTOOL_COALESCE_USE_ADAPTIVE_TX BIT(10)
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#define ETHTOOL_COALESCE_PKT_RATE_LOW BIT(11)
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#define ETHTOOL_COALESCE_RX_USECS_LOW BIT(12)
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#define ETHTOOL_COALESCE_RX_MAX_FRAMES_LOW BIT(13)
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#define ETHTOOL_COALESCE_TX_USECS_LOW BIT(14)
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#define ETHTOOL_COALESCE_TX_MAX_FRAMES_LOW BIT(15)
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#define ETHTOOL_COALESCE_PKT_RATE_HIGH BIT(16)
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#define ETHTOOL_COALESCE_RX_USECS_HIGH BIT(17)
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#define ETHTOOL_COALESCE_RX_MAX_FRAMES_HIGH BIT(18)
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#define ETHTOOL_COALESCE_TX_USECS_HIGH BIT(19)
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#define ETHTOOL_COALESCE_TX_MAX_FRAMES_HIGH BIT(20)
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#define ETHTOOL_COALESCE_RATE_SAMPLE_INTERVAL BIT(21)
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#define ETHTOOL_COALESCE_USE_CQE_RX BIT(22)
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#define ETHTOOL_COALESCE_USE_CQE_TX BIT(23)
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#define ETHTOOL_COALESCE_TX_AGGR_MAX_BYTES BIT(24)
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#define ETHTOOL_COALESCE_TX_AGGR_MAX_FRAMES BIT(25)
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#define ETHTOOL_COALESCE_TX_AGGR_TIME_USECS BIT(26)
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#define ETHTOOL_COALESCE_ALL_PARAMS GENMASK(26, 0)
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#define ETHTOOL_COALESCE_USECS \
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(ETHTOOL_COALESCE_RX_USECS | ETHTOOL_COALESCE_TX_USECS)
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#define ETHTOOL_COALESCE_MAX_FRAMES \
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(ETHTOOL_COALESCE_RX_MAX_FRAMES | ETHTOOL_COALESCE_TX_MAX_FRAMES)
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#define ETHTOOL_COALESCE_USECS_IRQ \
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(ETHTOOL_COALESCE_RX_USECS_IRQ | ETHTOOL_COALESCE_TX_USECS_IRQ)
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#define ETHTOOL_COALESCE_MAX_FRAMES_IRQ \
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(ETHTOOL_COALESCE_RX_MAX_FRAMES_IRQ | \
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ETHTOOL_COALESCE_TX_MAX_FRAMES_IRQ)
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#define ETHTOOL_COALESCE_USE_ADAPTIVE \
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(ETHTOOL_COALESCE_USE_ADAPTIVE_RX | ETHTOOL_COALESCE_USE_ADAPTIVE_TX)
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#define ETHTOOL_COALESCE_USECS_LOW_HIGH \
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(ETHTOOL_COALESCE_RX_USECS_LOW | ETHTOOL_COALESCE_TX_USECS_LOW | \
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ETHTOOL_COALESCE_RX_USECS_HIGH | ETHTOOL_COALESCE_TX_USECS_HIGH)
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#define ETHTOOL_COALESCE_MAX_FRAMES_LOW_HIGH \
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(ETHTOOL_COALESCE_RX_MAX_FRAMES_LOW | \
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ETHTOOL_COALESCE_TX_MAX_FRAMES_LOW | \
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ETHTOOL_COALESCE_RX_MAX_FRAMES_HIGH | \
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ETHTOOL_COALESCE_TX_MAX_FRAMES_HIGH)
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#define ETHTOOL_COALESCE_PKT_RATE_RX_USECS \
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(ETHTOOL_COALESCE_USE_ADAPTIVE_RX | \
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ETHTOOL_COALESCE_RX_USECS_LOW | ETHTOOL_COALESCE_RX_USECS_HIGH | \
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ETHTOOL_COALESCE_PKT_RATE_LOW | ETHTOOL_COALESCE_PKT_RATE_HIGH | \
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ETHTOOL_COALESCE_RATE_SAMPLE_INTERVAL)
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#define ETHTOOL_COALESCE_USE_CQE \
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(ETHTOOL_COALESCE_USE_CQE_RX | ETHTOOL_COALESCE_USE_CQE_TX)
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#define ETHTOOL_COALESCE_TX_AGGR \
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(ETHTOOL_COALESCE_TX_AGGR_MAX_BYTES | \
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ETHTOOL_COALESCE_TX_AGGR_MAX_FRAMES | \
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ETHTOOL_COALESCE_TX_AGGR_TIME_USECS)
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#define ETHTOOL_STAT_NOT_SET (~0ULL)
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static inline void ethtool_stats_init(u64 *stats, unsigned int n)
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{
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while (n--)
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stats[n] = ETHTOOL_STAT_NOT_SET;
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}
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/* Basic IEEE 802.3 MAC statistics (30.3.1.1.*), not otherwise exposed
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* via a more targeted API.
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*/
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struct ethtool_eth_mac_stats {
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enum ethtool_mac_stats_src src;
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struct_group(stats,
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u64 FramesTransmittedOK;
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u64 SingleCollisionFrames;
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u64 MultipleCollisionFrames;
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u64 FramesReceivedOK;
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u64 FrameCheckSequenceErrors;
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u64 AlignmentErrors;
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u64 OctetsTransmittedOK;
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u64 FramesWithDeferredXmissions;
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u64 LateCollisions;
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u64 FramesAbortedDueToXSColls;
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u64 FramesLostDueToIntMACXmitError;
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u64 CarrierSenseErrors;
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u64 OctetsReceivedOK;
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u64 FramesLostDueToIntMACRcvError;
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u64 MulticastFramesXmittedOK;
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u64 BroadcastFramesXmittedOK;
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u64 FramesWithExcessiveDeferral;
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u64 MulticastFramesReceivedOK;
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u64 BroadcastFramesReceivedOK;
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u64 InRangeLengthErrors;
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u64 OutOfRangeLengthField;
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u64 FrameTooLongErrors;
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);
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};
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/* Basic IEEE 802.3 PHY statistics (30.3.2.1.*), not otherwise exposed
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* via a more targeted API.
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*/
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struct ethtool_eth_phy_stats {
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enum ethtool_mac_stats_src src;
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struct_group(stats,
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u64 SymbolErrorDuringCarrier;
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);
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};
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/* Basic IEEE 802.3 MAC Ctrl statistics (30.3.3.*), not otherwise exposed
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* via a more targeted API.
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*/
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struct ethtool_eth_ctrl_stats {
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enum ethtool_mac_stats_src src;
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struct_group(stats,
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u64 MACControlFramesTransmitted;
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u64 MACControlFramesReceived;
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u64 UnsupportedOpcodesReceived;
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);
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};
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/**
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* struct ethtool_pause_stats - statistics for IEEE 802.3x pause frames
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* @src: input field denoting whether stats should be queried from the eMAC or
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* pMAC (if the MM layer is supported). To be ignored otherwise.
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* @tx_pause_frames: transmitted pause frame count. Reported to user space
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* as %ETHTOOL_A_PAUSE_STAT_TX_FRAMES.
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*
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* Equivalent to `30.3.4.2 aPAUSEMACCtrlFramesTransmitted`
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* from the standard.
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*
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* @rx_pause_frames: received pause frame count. Reported to user space
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* as %ETHTOOL_A_PAUSE_STAT_RX_FRAMES. Equivalent to:
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*
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* Equivalent to `30.3.4.3 aPAUSEMACCtrlFramesReceived`
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* from the standard.
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*/
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struct ethtool_pause_stats {
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enum ethtool_mac_stats_src src;
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struct_group(stats,
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u64 tx_pause_frames;
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u64 rx_pause_frames;
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);
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};
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#define ETHTOOL_MAX_LANES 8
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/**
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* struct ethtool_fec_stats - statistics for IEEE 802.3 FEC
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* @corrected_blocks: number of received blocks corrected by FEC
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* Reported to user space as %ETHTOOL_A_FEC_STAT_CORRECTED.
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*
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* Equivalent to `30.5.1.1.17 aFECCorrectedBlocks` from the standard.
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*
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* @uncorrectable_blocks: number of received blocks FEC was not able to correct
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* Reported to user space as %ETHTOOL_A_FEC_STAT_UNCORR.
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*
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* Equivalent to `30.5.1.1.18 aFECUncorrectableBlocks` from the standard.
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*
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* @corrected_bits: number of bits corrected by FEC
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* Similar to @corrected_blocks but counts individual bit changes,
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* not entire FEC data blocks. This is a non-standard statistic.
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* Reported to user space as %ETHTOOL_A_FEC_STAT_CORR_BITS.
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*
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* @lane: per-lane/PCS-instance counts as defined by the standard
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* @total: error counts for the entire port, for drivers incapable of reporting
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* per-lane stats
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*
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* Drivers should fill in either only total or per-lane statistics, core
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* will take care of adding lane values up to produce the total.
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*/
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struct ethtool_fec_stats {
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struct ethtool_fec_stat {
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u64 total;
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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 10
|
|
|
|
/**
|
|
* 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 1024B 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];
|
|
);
|
|
};
|
|
|
|
#define ETH_MODULE_EEPROM_PAGE_LEN 128
|
|
#define ETH_MODULE_MAX_I2C_ADDRESS 0x7f
|
|
|
|
/**
|
|
* struct ethtool_module_eeprom - EEPROM dump from specified page
|
|
* @offset: Offset within the specified EEPROM page to begin read, in bytes.
|
|
* @length: Number of bytes to read.
|
|
* @page: Page number to read from.
|
|
* @bank: Page bank number to read from, if applicable by EEPROM spec.
|
|
* @i2c_address: I2C address of a page. Value less than 0x7f expected. Most
|
|
* EEPROMs use 0x50 or 0x51.
|
|
* @data: Pointer to buffer with EEPROM data of @length size.
|
|
*
|
|
* This can be used to manage pages during EEPROM dump in ethtool and pass
|
|
* required information to the driver.
|
|
*/
|
|
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;
|
|
};
|
|
|
|
/**
|
|
* struct ethtool_ops - optional netdev operations
|
|
* @cap_link_lanes_supported: indicates if the driver supports lanes
|
|
* parameter.
|
|
* @supported_coalesce_params: supported types of interrupt coalescing.
|
|
* @supported_ring_params: supported ring params.
|
|
* @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_context: Get the contents of the RX flow hash indirection table,
|
|
* hash key, and/or hash function assiciated to the given rss context.
|
|
* Returns a negative error code or zero.
|
|
* @set_rxfh_context: Create, remove and configure RSS contexts. Allows setting
|
|
* the contents of the RX flow hash indirection table, hash key, and/or
|
|
* hash function associated to the given context. 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_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.
|
|
* Drivers supporting transmit time stamps in software should set this to
|
|
* ethtool_op_get_ts_info().
|
|
* @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.
|
|
* @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 cap_link_lanes_supported:1;
|
|
u32 supported_coalesce_params;
|
|
u32 supported_ring_params;
|
|
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 *, u32 *indir, u8 *key,
|
|
u8 *hfunc);
|
|
int (*set_rxfh)(struct net_device *, const u32 *indir,
|
|
const u8 *key, const u8 hfunc);
|
|
int (*get_rxfh_context)(struct net_device *, u32 *indir, u8 *key,
|
|
u8 *hfunc, u32 rss_context);
|
|
int (*set_rxfh_context)(struct net_device *, const u32 *indir,
|
|
const u8 *key, const u8 hfunc,
|
|
u32 *rss_context, bool delete);
|
|
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 ethtool_ts_info *);
|
|
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 *, struct ethtool_eee *);
|
|
int (*set_eee)(struct net_device *, struct ethtool_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);
|
|
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 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 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_sprintf - Write formatted string to ethtool string data
|
|
* @data: Pointer to 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, ...);
|
|
#endif /* _LINUX_ETHTOOL_H */
|