1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2/* 3 * linux/mii.h: definitions for MII-compatible transceivers 4 * Originally drivers/net/sunhme.h. 5 * 6 * Copyright (C) 1996, 1999, 2001 David S. Miller (davem@redhat.com) 7 */ 8 9#ifndef _UAPI__LINUX_MII_H__ 10#define _UAPI__LINUX_MII_H__ 11 12#include <linux/types.h> 13#include <linux/ethtool.h> 14 15/* Generic MII registers. */ 16#define MII_BMCR 0x00 /* Basic mode control register */ 17#define MII_BMSR 0x01 /* Basic mode status register */ 18#define MII_PHYSID1 0x02 /* PHYS ID 1 */ 19#define MII_PHYSID2 0x03 /* PHYS ID 2 */ 20#define MII_ADVERTISE 0x04 /* Advertisement control reg */ 21#define MII_LPA 0x05 /* Link partner ability reg */ 22#define MII_EXPANSION 0x06 /* Expansion register */ 23#define MII_CTRL1000 0x09 /* 1000BASE-T control */ 24#define MII_STAT1000 0x0a /* 1000BASE-T status */ 25#define MII_MMD_CTRL 0x0d /* MMD Access Control Register */ 26#define MII_MMD_DATA 0x0e /* MMD Access Data Register */ 27#define MII_ESTATUS 0x0f /* Extended Status */ 28#define MII_DCOUNTER 0x12 /* Disconnect counter */ 29#define MII_FCSCOUNTER 0x13 /* False carrier counter */ 30#define MII_NWAYTEST 0x14 /* N-way auto-neg test reg */ 31#define MII_RERRCOUNTER 0x15 /* Receive error counter */ 32#define MII_SREVISION 0x16 /* Silicon revision */ 33#define MII_RESV1 0x17 /* Reserved... */ 34#define MII_LBRERROR 0x18 /* Lpback, rx, bypass error */ 35#define MII_PHYADDR 0x19 /* PHY address */ 36#define MII_RESV2 0x1a /* Reserved... */ 37#define MII_TPISTATUS 0x1b /* TPI status for 10mbps */ 38#define MII_NCONFIG 0x1c /* Network interface config */ 39 40/* Basic mode control register. */ 41#define BMCR_RESV 0x003f /* Unused... */ 42#define BMCR_SPEED1000 0x0040 /* MSB of Speed (1000) */ 43#define BMCR_CTST 0x0080 /* Collision test */ 44#define BMCR_FULLDPLX 0x0100 /* Full duplex */ 45#define BMCR_ANRESTART 0x0200 /* Auto negotiation restart */ 46#define BMCR_ISOLATE 0x0400 /* Isolate data paths from MII */ 47#define BMCR_PDOWN 0x0800 /* Enable low power state */ 48#define BMCR_ANENABLE 0x1000 /* Enable auto negotiation */ 49#define BMCR_SPEED100 0x2000 /* Select 100Mbps */ 50#define BMCR_LOOPBACK 0x4000 /* TXD loopback bits */ 51#define BMCR_RESET 0x8000 /* Reset to default state */ 52#define BMCR_SPEED10 0x0000 /* Select 10Mbps */ 53 54/* Basic mode status register. */ 55#define BMSR_ERCAP 0x0001 /* Ext-reg capability */ 56#define BMSR_JCD 0x0002 /* Jabber detected */ 57#define BMSR_LSTATUS 0x0004 /* Link status */ 58#define BMSR_ANEGCAPABLE 0x0008 /* Able to do auto-negotiation */ 59#define BMSR_RFAULT 0x0010 /* Remote fault detected */ 60#define BMSR_ANEGCOMPLETE 0x0020 /* Auto-negotiation complete */ 61#define BMSR_RESV 0x00c0 /* Unused... */ 62#define BMSR_ESTATEN 0x0100 /* Extended Status in R15 */ 63#define BMSR_100HALF2 0x0200 /* Can do 100BASE-T2 HDX */ 64#define BMSR_100FULL2 0x0400 /* Can do 100BASE-T2 FDX */ 65#define BMSR_10HALF 0x0800 /* Can do 10mbps, half-duplex */ 66#define BMSR_10FULL 0x1000 /* Can do 10mbps, full-duplex */ 67#define BMSR_100HALF 0x2000 /* Can do 100mbps, half-duplex */ 68#define BMSR_100FULL 0x4000 /* Can do 100mbps, full-duplex */ 69#define BMSR_100BASE4 0x8000 /* Can do 100mbps, 4k packets */ 70 71/* Advertisement control register. */ 72#define ADVERTISE_SLCT 0x001f /* Selector bits */ 73#define ADVERTISE_CSMA 0x0001 /* Only selector supported */ 74#define ADVERTISE_10HALF 0x0020 /* Try for 10mbps half-duplex */ 75#define ADVERTISE_1000XFULL 0x0020 /* Try for 1000BASE-X full-duplex */ 76#define ADVERTISE_10FULL 0x0040 /* Try for 10mbps full-duplex */ 77#define ADVERTISE_1000XHALF 0x0040 /* Try for 1000BASE-X half-duplex */ 78#define ADVERTISE_100HALF 0x0080 /* Try for 100mbps half-duplex */ 79#define ADVERTISE_1000XPAUSE 0x0080 /* Try for 1000BASE-X pause */ 80#define ADVERTISE_100FULL 0x0100 /* Try for 100mbps full-duplex */ 81#define ADVERTISE_1000XPSE_ASYM 0x0100 /* Try for 1000BASE-X asym pause */ 82#define ADVERTISE_100BASE4 0x0200 /* Try for 100mbps 4k packets */ 83#define ADVERTISE_PAUSE_CAP 0x0400 /* Try for pause */ 84#define ADVERTISE_PAUSE_ASYM 0x0800 /* Try for asymetric pause */ 85#define ADVERTISE_RESV 0x1000 /* Unused... */ 86#define ADVERTISE_RFAULT 0x2000 /* Say we can detect faults */ 87#define ADVERTISE_LPACK 0x4000 /* Ack link partners response */ 88#define ADVERTISE_NPAGE 0x8000 /* Next page bit */ 89 90#define ADVERTISE_FULL (ADVERTISE_100FULL | ADVERTISE_10FULL | \ 91 ADVERTISE_CSMA) 92#define ADVERTISE_ALL (ADVERTISE_10HALF | ADVERTISE_10FULL | \ 93 ADVERTISE_100HALF | ADVERTISE_100FULL) 94 95/* Link partner ability register. */ 96#define LPA_SLCT 0x001f /* Same as advertise selector */ 97#define LPA_10HALF 0x0020 /* Can do 10mbps half-duplex */ 98#define LPA_1000XFULL 0x0020 /* Can do 1000BASE-X full-duplex */ 99#define LPA_10FULL 0x0040 /* Can do 10mbps full-duplex */ 100#define LPA_1000XHALF 0x0040 /* Can do 1000BASE-X half-duplex */ 101#define LPA_100HALF 0x0080 /* Can do 100mbps half-duplex */ 102#define LPA_1000XPAUSE 0x0080 /* Can do 1000BASE-X pause */ 103#define LPA_100FULL 0x0100 /* Can do 100mbps full-duplex */ 104#define LPA_1000XPAUSE_ASYM 0x0100 /* Can do 1000BASE-X pause asym*/ 105#define LPA_100BASE4 0x0200 /* Can do 100mbps 4k packets */ 106#define LPA_PAUSE_CAP 0x0400 /* Can pause */ 107#define LPA_PAUSE_ASYM 0x0800 /* Can pause asymetrically */ 108#define LPA_RESV 0x1000 /* Unused... */ 109#define LPA_RFAULT 0x2000 /* Link partner faulted */ 110#define LPA_LPACK 0x4000 /* Link partner acked us */ 111#define LPA_NPAGE 0x8000 /* Next page bit */ 112 113#define LPA_DUPLEX (LPA_10FULL | LPA_100FULL) 114#define LPA_100 (LPA_100FULL | LPA_100HALF | LPA_100BASE4) 115 116/* Expansion register for auto-negotiation. */ 117#define EXPANSION_NWAY 0x0001 /* Can do N-way auto-nego */ 118#define EXPANSION_LCWP 0x0002 /* Got new RX page code word */ 119#define EXPANSION_ENABLENPAGE 0x0004 /* This enables npage words */ 120#define EXPANSION_NPCAPABLE 0x0008 /* Link partner supports npage */ 121#define EXPANSION_MFAULTS 0x0010 /* Multiple faults detected */ 122#define EXPANSION_RESV 0xffe0 /* Unused... */ 123 124#define ESTATUS_1000_XFULL 0x8000 /* Can do 1000BaseX Full */ 125#define ESTATUS_1000_XHALF 0x4000 /* Can do 1000BaseX Half */ 126#define ESTATUS_1000_TFULL 0x2000 /* Can do 1000BT Full */ 127#define ESTATUS_1000_THALF 0x1000 /* Can do 1000BT Half */ 128 129/* N-way test register. */ 130#define NWAYTEST_RESV1 0x00ff /* Unused... */ 131#define NWAYTEST_LOOPBACK 0x0100 /* Enable loopback for N-way */ 132#define NWAYTEST_RESV2 0xfe00 /* Unused... */ 133 134/* MAC and PHY tx_config_Reg[15:0] for SGMII in-band auto-negotiation.*/ 135#define ADVERTISE_SGMII 0x0001 /* MAC can do SGMII */ 136#define LPA_SGMII 0x0001 /* PHY can do SGMII */ 137#define LPA_SGMII_SPD_MASK 0x0c00 /* SGMII speed mask */ 138#define LPA_SGMII_FULL_DUPLEX 0x1000 /* SGMII full duplex */ 139#define LPA_SGMII_DPX_SPD_MASK 0x1C00 /* SGMII duplex and speed bits */ 140#define LPA_SGMII_10 0x0000 /* 10Mbps */ 141#define LPA_SGMII_10HALF 0x0000 /* Can do 10mbps half-duplex */ 142#define LPA_SGMII_10FULL 0x1000 /* Can do 10mbps full-duplex */ 143#define LPA_SGMII_100 0x0400 /* 100Mbps */ 144#define LPA_SGMII_100HALF 0x0400 /* Can do 100mbps half-duplex */ 145#define LPA_SGMII_100FULL 0x1400 /* Can do 100mbps full-duplex */ 146#define LPA_SGMII_1000 0x0800 /* 1000Mbps */ 147#define LPA_SGMII_1000HALF 0x0800 /* Can do 1000mbps half-duplex */ 148#define LPA_SGMII_1000FULL 0x1800 /* Can do 1000mbps full-duplex */ 149#define LPA_SGMII_LINK 0x8000 /* PHY link with copper-side partner */ 150 151/* 1000BASE-T Control register */ 152#define ADVERTISE_1000FULL 0x0200 /* Advertise 1000BASE-T full duplex */ 153#define ADVERTISE_1000HALF 0x0100 /* Advertise 1000BASE-T half duplex */ 154#define CTL1000_PREFER_MASTER 0x0400 /* prefer to operate as master */ 155#define CTL1000_AS_MASTER 0x0800 156#define CTL1000_ENABLE_MASTER 0x1000 157 158/* 1000BASE-T Status register */ 159#define LPA_1000MSFAIL 0x8000 /* Master/Slave resolution failure */ 160#define LPA_1000MSRES 0x4000 /* Master/Slave resolution status */ 161#define LPA_1000LOCALRXOK 0x2000 /* Link partner local receiver status */ 162#define LPA_1000REMRXOK 0x1000 /* Link partner remote receiver status */ 163#define LPA_1000FULL 0x0800 /* Link partner 1000BASE-T full duplex */ 164#define LPA_1000HALF 0x0400 /* Link partner 1000BASE-T half duplex */ 165 166/* Flow control flags */ 167#define FLOW_CTRL_TX 0x01 168#define FLOW_CTRL_RX 0x02 169 170/* MMD Access Control register fields */ 171#define MII_MMD_CTRL_DEVAD_MASK 0x1f /* Mask MMD DEVAD*/ 172#define MII_MMD_CTRL_ADDR 0x0000 /* Address */ 173#define MII_MMD_CTRL_NOINCR 0x4000 /* no post increment */ 174#define MII_MMD_CTRL_INCR_RDWT 0x8000 /* post increment on reads & writes */ 175#define MII_MMD_CTRL_INCR_ON_WT 0xC000 /* post increment on writes only */ 176 177/* This structure is used in all SIOCxMIIxxx ioctl calls */ 178struct mii_ioctl_data { 179 __u16 phy_id; 180 __u16 reg_num; 181 __u16 val_in; 182 __u16 val_out; 183}; 184 185#endif /* _UAPI__LINUX_MII_H__ */ 186