include/uapi/linux/mii.h

   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_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__ */