/* * 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 #include #define MII_BMCR 0x00 #define MII_BMSR 0x01 #define MII_PHYSID1 0x02 #define MII_PHYSID2 0x03 #define MII_ADVERTISE 0x04 #define MII_LPA 0x05 #define MII_EXPANSION 0x06 #define MII_CTRL1000 0x09 #define MII_STAT1000 0x0a #define MII_ESTATUS 0x0f #define MII_DCOUNTER 0x12 #define MII_FCSCOUNTER 0x13 #define MII_NWAYTEST 0x14 #define MII_RERRCOUNTER 0x15 #define MII_SREVISION 0x16 #define MII_RESV1 0x17 #define MII_LBRERROR 0x18 #define MII_PHYADDR 0x19 #define MII_RESV2 0x1a #define MII_TPISTATUS 0x1b #define MII_NCONFIG 0x1c #define BMCR_RESV 0x003f #define BMCR_SPEED1000 0x0040 #define BMCR_CTST 0x0080 #define BMCR_FULLDPLX 0x0100 #define BMCR_ANRESTART 0x0200 #define BMCR_ISOLATE 0x0400 #define BMCR_PDOWN 0x0800 #define BMCR_ANENABLE 0x1000 #define BMCR_SPEED100 0x2000 #define BMCR_LOOPBACK 0x4000 #define BMCR_RESET 0x8000 #define BMSR_ERCAP 0x0001 #define BMSR_JCD 0x0002 #define BMSR_LSTATUS 0x0004 #define BMSR_ANEGCAPABLE 0x0008 #define BMSR_RFAULT 0x0010 #define BMSR_ANEGCOMPLETE 0x0020 #define BMSR_RESV 0x00c0 #define BMSR_ESTATEN 0x0100 #define BMSR_100HALF2 0x0200 #define BMSR_100FULL2 0x0400 #define BMSR_10HALF 0x0800 #define BMSR_10FULL 0x1000 #define BMSR_100HALF 0x2000 #define BMSR_100FULL 0x4000 #define BMSR_100BASE4 0x8000 #define ADVERTISE_SLCT 0x001f #define ADVERTISE_CSMA 0x0001 #define ADVERTISE_10HALF 0x0020 #define ADVERTISE_1000XFULL 0x0020 #define ADVERTISE_10FULL 0x0040 #define ADVERTISE_1000XHALF 0x0040 #define ADVERTISE_100HALF 0x0080 #define ADVERTISE_1000XPAUSE 0x0080 #define ADVERTISE_100FULL 0x0100 #define ADVERTISE_1000XPSE_ASYM 0x0100 #define ADVERTISE_100BASE4 0x0200 #define ADVERTISE_PAUSE_CAP 0x0400 #define ADVERTISE_PAUSE_ASYM 0x0800 #define ADVERTISE_RESV 0x1000 #define ADVERTISE_RFAULT 0x2000 #define ADVERTISE_LPACK 0x4000 #define ADVERTISE_NPAGE 0x8000 #define ADVERTISE_FULL (ADVERTISE_100FULL | ADVERTISE_10FULL | \ ADVERTISE_CSMA) #define ADVERTISE_ALL (ADVERTISE_10HALF | ADVERTISE_10FULL | \ ADVERTISE_100HALF | ADVERTISE_100FULL) #define LPA_SLCT 0x001f #define LPA_10HALF 0x0020 #define LPA_1000XFULL 0x0020 #define LPA_10FULL 0x0040 #define LPA_1000XHALF 0x0040 #define LPA_100HALF 0x0080 #define LPA_1000XPAUSE 0x0080 #define LPA_100FULL 0x0100 #define LPA_1000XPAUSE_ASYM 0x0100 #define LPA_100BASE4 0x0200 #define LPA_PAUSE_CAP 0x0400 #define LPA_PAUSE_ASYM 0x0800 #define LPA_RESV 0x1000 #define LPA_RFAULT 0x2000 #define LPA_LPACK 0x4000 #define LPA_NPAGE 0x8000 #define LPA_DUPLEX (LPA_10FULL | LPA_100FULL) #define LPA_100 (LPA_100FULL | LPA_100HALF | LPA_100BASE4) #define EXPANSION_NWAY 0x0001 #define EXPANSION_LCWP 0x0002 #define EXPANSION_ENABLENPAGE 0x0004 #define EXPANSION_NPCAPABLE 0x0008 #define EXPANSION_MFAULTS 0x0010 #define EXPANSION_RESV 0xffe0 #define ESTATUS_1000_TFULL 0x2000 #define ESTATUS_1000_THALF 0x1000 #define NWAYTEST_RESV1 0x00ff #define NWAYTEST_LOOPBACK 0x0100 #define NWAYTEST_RESV2 0xfe00 #define ADVERTISE_1000FULL 0x0200 #define ADVERTISE_1000HALF 0x0100 #define CTL1000_AS_MASTER 0x0800 #define CTL1000_ENABLE_MASTER 0x1000 #define LPA_1000LOCALRXOK 0x2000 #define LPA_1000REMRXOK 0x1000 #define LPA_1000FULL 0x0800 #define LPA_1000HALF 0x0400 #define FLOW_CTRL_TX 0x01 #define FLOW_CTRL_RX 0x02 struct mii_ioctl_data { __u16 phy_id; __u16 reg_num; __u16 val_in; __u16 val_out; }; #ifdef __KERNEL__ #include struct ethtool_cmd; struct mii_if_info { int phy_id; int advertising; int phy_id_mask; int reg_num_mask; unsigned int full_duplex : 1; unsigned int force_media : 1; unsigned int supports_gmii : 1; 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); }; 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); static inline struct mii_ioctl_data *if_mii(struct ifreq *rq) { return (struct mii_ioctl_data *) &rq->ifr_ifru; } 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; } 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; } static inline u32 ethtool_adv_to_mii_adv_t(u32 ethadv) { u32 result = 0; if (ethadv & ADVERTISED_10baseT_Half) result |= ADVERTISE_10HALF; if (ethadv & ADVERTISED_10baseT_Full) result |= ADVERTISE_10FULL; if (ethadv & ADVERTISED_100baseT_Half) result |= ADVERTISE_100HALF; if (ethadv & ADVERTISED_100baseT_Full) result |= ADVERTISE_100FULL; if (ethadv & ADVERTISED_Pause) result |= ADVERTISE_PAUSE_CAP; if (ethadv & ADVERTISED_Asym_Pause) result |= ADVERTISE_PAUSE_ASYM; return result; } static inline u32 mii_adv_to_ethtool_adv_t(u32 adv) { u32 result = 0; if (adv & ADVERTISE_10HALF) result |= ADVERTISED_10baseT_Half; if (adv & ADVERTISE_10FULL) result |= ADVERTISED_10baseT_Full; if (adv & ADVERTISE_100HALF) result |= ADVERTISED_100baseT_Half; if (adv & ADVERTISE_100FULL) result |= ADVERTISED_100baseT_Full; if (adv & ADVERTISE_PAUSE_CAP) result |= ADVERTISED_Pause; if (adv & ADVERTISE_PAUSE_ASYM) result |= ADVERTISED_Asym_Pause; return result; } static inline u32 ethtool_adv_to_mii_ctrl1000_t(u32 ethadv) { u32 result = 0; if (ethadv & ADVERTISED_1000baseT_Half) result |= ADVERTISE_1000HALF; if (ethadv & ADVERTISED_1000baseT_Full) result |= ADVERTISE_1000FULL; return result; } static inline u32 mii_ctrl1000_to_ethtool_adv_t(u32 adv) { u32 result = 0; if (adv & ADVERTISE_1000HALF) result |= ADVERTISED_1000baseT_Half; if (adv & ADVERTISE_1000FULL) result |= ADVERTISED_1000baseT_Full; return result; } static inline u32 mii_lpa_to_ethtool_lpa_t(u32 lpa) { u32 result = 0; if (lpa & LPA_LPACK) result |= ADVERTISED_Autoneg; return result | mii_adv_to_ethtool_adv_t(lpa); } static inline u32 mii_stat1000_to_ethtool_lpa_t(u32 lpa) { u32 result = 0; if (lpa & LPA_1000HALF) result |= ADVERTISED_1000baseT_Half; if (lpa & LPA_1000FULL) result |= ADVERTISED_1000baseT_Full; return result; } static inline u32 ethtool_adv_to_mii_adv_x(u32 ethadv) { u32 result = 0; if (ethadv & ADVERTISED_1000baseT_Half) result |= ADVERTISE_1000XHALF; if (ethadv & ADVERTISED_1000baseT_Full) result |= ADVERTISE_1000XFULL; if (ethadv & ADVERTISED_Pause) result |= ADVERTISE_1000XPAUSE; if (ethadv & ADVERTISED_Asym_Pause) result |= ADVERTISE_1000XPSE_ASYM; return result; } static inline u32 mii_adv_to_ethtool_adv_x(u32 adv) { u32 result = 0; if (adv & ADVERTISE_1000XHALF) result |= ADVERTISED_1000baseT_Half; if (adv & ADVERTISE_1000XFULL) result |= ADVERTISED_1000baseT_Full; if (adv & ADVERTISE_1000XPAUSE) result |= ADVERTISED_Pause; if (adv & ADVERTISE_1000XPSE_ASYM) result |= ADVERTISED_Asym_Pause; return result; } static inline u32 mii_lpa_to_ethtool_lpa_x(u32 lpa) { u32 result = 0; if (lpa & LPA_LPACK) result |= ADVERTISED_Autoneg; return result | mii_adv_to_ethtool_adv_x(lpa); } static inline u16 mii_advertise_flowctrl(int cap) { u16 adv = 0; if (cap & FLOW_CTRL_RX) adv = ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; if (cap & FLOW_CTRL_TX) adv ^= ADVERTISE_PAUSE_ASYM; return adv; } static inline u8 mii_resolve_flowctrl_fdx(u16 lcladv, u16 rmtadv) { u8 cap = 0; if (lcladv & rmtadv & ADVERTISE_PAUSE_CAP) { cap = FLOW_CTRL_TX | FLOW_CTRL_RX; } else if (lcladv & rmtadv & ADVERTISE_PAUSE_ASYM) { if (lcladv & ADVERTISE_PAUSE_CAP) cap = FLOW_CTRL_RX; else if (rmtadv & ADVERTISE_PAUSE_CAP) cap = FLOW_CTRL_TX; } return cap; } #endif #endif