http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/linux/mii.h

/* * linux/mii.h: definitions for MII-compatible transceivers * Originally drivers/net/sunhme.h. * * Copyright (C) 1996, 1999, 2001 David S. Miller (davem@redhat.com) */ #ifndef __LINUX_MII_H__ #define __LINUX_MII_H__ #include <linux/types.h> #include <linux/if.h> /* Generic MII registers. */ #define MII_BMCR 0x00 /* Basic mode control register */ #define MII_BMSR 0x01 /* Basic mode status register */ #define MII_PHYSID1 0x02 /* PHYS ID 1 */ #define MII_PHYSID2 0x03 /* PHYS ID 2 */ #define MII_ADVERTISE 0x04 /* Advertisement control reg */ #define MII_LPA 0x05 /* Link partner ability reg */ #define MII_EXPANSION 0x06 /* Expansion register */ #define MII_CTRL1000 0x09 /* 1000BASE-T control */ #define MII_STAT1000 0x0a /* 1000BASE-T status */ #define MII_ESTATUS 0x0f /* Extended Status */ #define MII_DCOUNTER 0x12 /* Disconnect counter */ #define MII_FCSCOUNTER 0x13 /* False carrier counter */ #define MII_NWAYTEST 0x14 /* N-way auto-neg test reg */ #define MII_RERRCOUNTER 0x15 /* Receive error counter */ #define MII_SREVISION 0x16 /* Silicon revision */ #define MII_RESV1 0x17 /* Reserved... */ #define MII_LBRERROR 0x18 /* Lpback, rx, bypass error */ #define MII_PHYADDR 0x19 /* PHY address */ #define MII_RESV2 0x1a /* Reserved... */ #define MII_TPISTATUS 0x1b /* TPI status for 10mbps */ #define MII_NCONFIG 0x1c /* Network interface config */ /* Basic mode control register. */ #define BMCR_RESV 0x003f /* Unused... */ #define BMCR_SPEED1000 0x0040 /* MSB of Speed (1000) */ #define BMCR_CTST 0x0080 /* Collision test */ #define BMCR_FULLDPLX 0x0100 /* Full duplex */ #define BMCR_ANRESTART 0x0200 /* Auto negotiation restart */ #define BMCR_ISOLATE 0x0400 /* Disconnect DP83840 from MII */ #define BMCR_PDOWN 0x0800 /* Powerdown the DP83840 */ #define BMCR_ANENABLE 0x1000 /* Enable auto negotiation */ #define BMCR_SPEED100 0x2000 /* Select 100Mbps */ #define BMCR_LOOPBACK 0x4000 /* TXD loopback bits */ #define BMCR_RESET 0x8000 /* Reset the DP83840 */ /* Basic mode status register. */ #define BMSR_ERCAP 0x0001 /* Ext-reg capability */ #define BMSR_JCD 0x0002 /* Jabber detected */ #define BMSR_LSTATUS 0x0004 /* Link status */ #define BMSR_ANEGCAPABLE 0x0008 /* Able to do auto-negotiation */ #define BMSR_RFAULT 0x0010 /* Remote fault detected */ #define BMSR_ANEGCOMPLETE 0x0020 /* Auto-negotiation complete */ #define BMSR_RESV 0x00c0 /* Unused... */ #define BMSR_ESTATEN 0x0100 /* Extended Status in R15 */ #define BMSR_100FULL2 0x0200 /* Can do 100BASE-T2 HDX */ #define BMSR_100HALF2 0x0400 /* Can do 100BASE-T2 FDX */ #define BMSR_10HALF 0x0800 /* Can do 10mbps, half-duplex */ #define BMSR_10FULL 0x1000 /* Can do 10mbps, full-duplex */ #define BMSR_100HALF 0x2000 /* Can do 100mbps, half-duplex */ #define BMSR_100FULL 0x4000 /* Can do 100mbps, full-duplex */ #define BMSR_100BASE4 0x8000 /* Can do 100mbps, 4k packets */ /* Advertisement control register. */ #define ADVERTISE_SLCT 0x001f /* Selector bits */ #define ADVERTISE_CSMA 0x0001 /* Only selector supported */ #define ADVERTISE_10HALF 0x0020 /* Try for 10mbps half-duplex */ #define ADVERTISE_1000XFULL 0x0020 /* Try for 1000BASE-X full-duplex */ #define ADVERTISE_10FULL 0x0040 /* Try for 10mbps full-duplex */ #define ADVERTISE_1000XHALF 0x0040 /* Try for 1000BASE-X half-duplex */ #define ADVERTISE_100HALF 0x0080 /* Try for 100mbps half-duplex */ #define ADVERTISE_1000XPAUSE 0x0080 /* Try for 1000BASE-X pause */ #define ADVERTISE_100FULL 0x0100 /* Try for 100mbps full-duplex */ #define ADVERTISE_1000XPSE_ASYM 0x0100 /* Try for 1000BASE-X asym pause */ #define ADVERTISE_100BASE4 0x0200 /* Try for 100mbps 4k packets */ #define ADVERTISE_PAUSE_CAP 0x0400 /* Try for pause */ #define ADVERTISE_PAUSE_ASYM 0x0800 /* Try for asymetric pause */ #define ADVERTISE_RESV 0x1000 /* Unused... */ #define ADVERTISE_RFAULT 0x2000 /* Say we can detect faults */ #define ADVERTISE_LPACK 0x4000 /* Ack link partners response */ #define ADVERTISE_NPAGE 0x8000 /* Next page bit */ #define ADVERTISE_FULL (ADVERTISE_100FULL | ADVERTISE_10FULL | \ ADVERTISE_CSMA) #define ADVERTISE_ALL (ADVERTISE_10HALF | ADVERTISE_10FULL | \ ADVERTISE_100HALF | ADVERTISE_100FULL) /* Link partner ability register. */ #define LPA_SLCT 0x001f /* Same as advertise selector */ #define LPA_10HALF 0x0020 /* Can do 10mbps half-duplex */ #define LPA_1000XFULL 0x0020 /* Can do 1000BASE-X full-duplex */ #define LPA_10FULL 0x0040 /* Can do 10mbps full-duplex */ #define LPA_1000XHALF 0x0040 /* Can do 1000BASE-X half-duplex */ #define LPA_100HALF 0x0080 /* Can do 100mbps half-duplex */ #define LPA_1000XPAUSE 0x0080 /* Can do 1000BASE-X pause */ #define LPA_100FULL 0x0100 /* Can do 100mbps full-duplex */ #define LPA_1000XPAUSE_ASYM 0x0100 /* Can do 1000BASE-X pause asym*/ #define LPA_100BASE4 0x0200 /* Can do 100mbps 4k packets */ #define LPA_PAUSE_CAP 0x0400 /* Can pause */ #define LPA_PAUSE_ASYM 0x0800 /* Can pause asymetrically */ #define LPA_RESV 0x1000 /* Unused... */ #define LPA_RFAULT 0x2000 /* Link partner faulted */ #define LPA_LPACK 0x4000 /* Link partner acked us */ #define LPA_NPAGE 0x8000 /* Next page bit */ #define LPA_DUPLEX (LPA_10FULL | LPA_100FULL) #define LPA_100 (LPA_100FULL | LPA_100HALF | LPA_100BASE4) /* Expansion register for auto-negotiation. */ #define EXPANSION_NWAY 0x0001 /* Can do N-way auto-nego */ #define EXPANSION_LCWP 0x0002 /* Got new RX page code word */ #define EXPANSION_ENABLENPAGE 0x0004 /* This enables npage words */ #define EXPANSION_NPCAPABLE 0x0008 /* Link partner supports npage */ #define EXPANSION_MFAULTS 0x0010 /* Multiple faults detected */ #define EXPANSION_RESV 0xffe0 /* Unused... */ #define ESTATUS_1000_TFULL 0x2000 /* Can do 1000BT Full */ #define ESTATUS_1000_THALF 0x1000 /* Can do 1000BT Half */ /* N-way test register. */ #define NWAYTEST_RESV1 0x00ff /* Unused... */ #define NWAYTEST_LOOPBACK 0x0100 /* Enable loopback for N-way */ #define NWAYTEST_RESV2 0xfe00 /* Unused... */ /* 1000BASE-T Control register */ #define ADVERTISE_1000FULL 0x0200 /* Advertise 1000BASE-T full duplex */ #define ADVERTISE_1000HALF 0x0100 /* Advertise 1000BASE-T half duplex */ /* 1000BASE-T Status register */ #define LPA_1000LOCALRXOK 0x2000 /* Link partner local receiver status */ #define LPA_1000REMRXOK 0x1000 /* Link partner remote receiver status */ #define LPA_1000FULL 0x0800 /* Link partner 1000BASE-T full duplex */ #define LPA_1000HALF 0x0400 /* Link partner 1000BASE-T half duplex */ struct mii_if_info { int phy_id; int advertising; int phy_id_mask; int reg_num_mask; unsigned int full_duplex : 1; /* is full duplex? */ unsigned int force_media : 1; /* is autoneg. disabled? */ unsigned int supports_gmii : 1; /* are GMII registers supported? */ struct net_device *dev; int (*mdio_read) (struct net_device *dev, int phy_id, int location); void (*mdio_write) (struct net_device *dev, int phy_id, int location, int val); }; struct ethtool_cmd; struct mii_ioctl_data; extern int mii_link_ok (struct mii_if_info *mii); extern int mii_nway_restart (struct mii_if_info *mii); extern int mii_ethtool_gset(struct mii_if_info *mii, struct ethtool_cmd *ecmd); extern int mii_ethtool_sset(struct mii_if_info *mii, struct ethtool_cmd *ecmd); extern int mii_check_gmii_support(struct mii_if_info *mii); extern void mii_check_link (struct mii_if_info *mii); extern unsigned int mii_check_media (struct mii_if_info *mii, unsigned int ok_to_print, unsigned int init_media); extern int generic_mii_ioctl(struct mii_if_info *mii_if, struct mii_ioctl_data *mii_data, int cmd, unsigned int *duplex_changed); /* This structure is used in all SIOCxMIIxxx ioctl calls */ struct mii_ioctl_data { u16 phy_id; u16 reg_num; u16 val_in; u16 val_out; }; static inline struct mii_ioctl_data *if_mii(struct ifreq *rq) { return (struct mii_ioctl_data *) &rq->ifr_ifru; } /** * mii_nway_result * @negotiated: value of MII ANAR and'd with ANLPAR * * Given a set of MII abilities, check each bit and returns the * currently supported media, in the priority order defined by * IEEE 802.3u. We use LPA_xxx constants but note this is not the * value of LPA solely, as described above. * * The one exception to IEEE 802.3u is that 100baseT4 is placed * between 100T-full and 100T-half. If your phy does not support * 100T4 this is fine. If your phy places 100T4 elsewhere in the * priority order, you will need to roll your own function. */ static inline unsigned int mii_nway_result (unsigned int negotiated) { unsigned int ret; if (negotiated & LPA_100FULL) ret = LPA_100FULL; else if (negotiated & LPA_100BASE4) ret = LPA_100BASE4; else if (negotiated & LPA_100HALF) ret = LPA_100HALF; else if (negotiated & LPA_10FULL) ret = LPA_10FULL; else ret = LPA_10HALF; return ret; } /** * mii_duplex * @duplex_lock: Non-zero if duplex is locked at full * @negotiated: value of MII ANAR and'd with ANLPAR * * A small helper function for a common case. Returns one * if the media is operating or locked at full duplex, and * returns zero otherwise. */ static inline unsigned int mii_duplex (unsigned int duplex_lock, unsigned int negotiated) { if (duplex_lock) return 1; if (mii_nway_result(negotiated) & LPA_DUPLEX) return 1; return 0; } #endif /* __LINUX_MII_H__ */