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 (at) 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_TFULL 0x2000 /* Can do 1000BT Full */ 125 #define ESTATUS_1000_THALF 0x1000 /* Can do 1000BT Half */ 126 127 /* N-way test register. */ 128 #define NWAYTEST_RESV1 0x00ff /* Unused... */ 129 #define NWAYTEST_LOOPBACK 0x0100 /* Enable loopback for N-way */ 130 #define NWAYTEST_RESV2 0xfe00 /* Unused... */ 131 132 /* 1000BASE-T Control register */ 133 #define ADVERTISE_1000FULL 0x0200 /* Advertise 1000BASE-T full duplex */ 134 #define ADVERTISE_1000HALF 0x0100 /* Advertise 1000BASE-T half duplex */ 135 #define CTL1000_AS_MASTER 0x0800 136 #define CTL1000_ENABLE_MASTER 0x1000 137 138 /* 1000BASE-T Status register */ 139 #define LPA_1000LOCALRXOK 0x2000 /* Link partner local receiver status */ 140 #define LPA_1000REMRXOK 0x1000 /* Link partner remote receiver status */ 141 #define LPA_1000FULL 0x0800 /* Link partner 1000BASE-T full duplex */ 142 #define LPA_1000HALF 0x0400 /* Link partner 1000BASE-T half duplex */ 143 144 /* Flow control flags */ 145 #define FLOW_CTRL_TX 0x01 146 #define FLOW_CTRL_RX 0x02 147 148 /* MMD Access Control register fields */ 149 #define MII_MMD_CTRL_DEVAD_MASK 0x1f /* Mask MMD DEVAD*/ 150 #define MII_MMD_CTRL_ADDR 0x0000 /* Address */ 151 #define MII_MMD_CTRL_NOINCR 0x4000 /* no post increment */ 152 #define MII_MMD_CTRL_INCR_RDWT 0x8000 /* post increment on reads & writes */ 153 #define MII_MMD_CTRL_INCR_ON_WT 0xC000 /* post increment on writes only */ 154 155 /* This structure is used in all SIOCxMIIxxx ioctl calls */ 156 struct mii_ioctl_data { 157 __u16 phy_id; 158 __u16 reg_num; 159 __u16 val_in; 160 __u16 val_out; 161 }; 162 163 #endif /* _UAPI__LINUX_MII_H__ */ 164
