^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) mii.c: MII interface library
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) Maintained by Jeff Garzik <jgarzik@pobox.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) Copyright 2001,2002 Jeff Garzik
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) Various code came from myson803.c and other files by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) Donald Becker. Copyright:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) Written 1998-2002 by Donald Becker.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) This software may be used and distributed according
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) to the terms of the GNU General Public License (GPL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) incorporated herein by reference. Drivers based on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) or derived from this code fall under the GPL and must
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) retain the authorship, copyright and license notice.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) This file is not a complete program and may only be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) used when the entire operating system is licensed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) under the GPL.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) The author may be reached as becker@scyld.com, or C/O
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) Scyld Computing Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 410 Severn Ave., Suite 210
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) Annapolis MD 21403
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #include <linux/netdevice.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #include <linux/ethtool.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #include <linux/mii.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) static u32 mii_get_an(struct mii_if_info *mii, u16 addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) int advert;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) advert = mii->mdio_read(mii->dev, mii->phy_id, addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) return mii_lpa_to_ethtool_lpa_t(advert);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) * mii_ethtool_gset - get settings that are specified in @ecmd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) * @mii: MII interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) * @ecmd: requested ethtool_cmd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) * The @ecmd parameter is expected to have been cleared before calling
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) * mii_ethtool_gset().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) * Returns 0 for success, negative on error.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) int mii_ethtool_gset(struct mii_if_info *mii, struct ethtool_cmd *ecmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) struct net_device *dev = mii->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) u16 bmcr, bmsr, ctrl1000 = 0, stat1000 = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) u32 nego;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) ecmd->supported =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) (SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) SUPPORTED_Autoneg | SUPPORTED_TP | SUPPORTED_MII);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) if (mii->supports_gmii)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) ecmd->supported |= SUPPORTED_1000baseT_Half |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) SUPPORTED_1000baseT_Full;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) /* only supports twisted-pair */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) ecmd->port = PORT_MII;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) /* only supports internal transceiver */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) ecmd->transceiver = XCVR_INTERNAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) /* this isn't fully supported at higher layers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) ecmd->phy_address = mii->phy_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) ecmd->mdio_support = ETH_MDIO_SUPPORTS_C22;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) ecmd->advertising = ADVERTISED_TP | ADVERTISED_MII;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) bmcr = mii->mdio_read(dev, mii->phy_id, MII_BMCR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) bmsr = mii->mdio_read(dev, mii->phy_id, MII_BMSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) if (mii->supports_gmii) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) ctrl1000 = mii->mdio_read(dev, mii->phy_id, MII_CTRL1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) stat1000 = mii->mdio_read(dev, mii->phy_id, MII_STAT1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) if (bmcr & BMCR_ANENABLE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) ecmd->advertising |= ADVERTISED_Autoneg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) ecmd->autoneg = AUTONEG_ENABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) ecmd->advertising |= mii_get_an(mii, MII_ADVERTISE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) if (mii->supports_gmii)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) ecmd->advertising |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) mii_ctrl1000_to_ethtool_adv_t(ctrl1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) if (bmsr & BMSR_ANEGCOMPLETE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) ecmd->lp_advertising = mii_get_an(mii, MII_LPA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) ecmd->lp_advertising |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) mii_stat1000_to_ethtool_lpa_t(stat1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) ecmd->lp_advertising = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) nego = ecmd->advertising & ecmd->lp_advertising;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) if (nego & (ADVERTISED_1000baseT_Full |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) ADVERTISED_1000baseT_Half)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) ethtool_cmd_speed_set(ecmd, SPEED_1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) ecmd->duplex = !!(nego & ADVERTISED_1000baseT_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) } else if (nego & (ADVERTISED_100baseT_Full |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) ADVERTISED_100baseT_Half)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) ethtool_cmd_speed_set(ecmd, SPEED_100);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) ecmd->duplex = !!(nego & ADVERTISED_100baseT_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) ethtool_cmd_speed_set(ecmd, SPEED_10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) ecmd->duplex = !!(nego & ADVERTISED_10baseT_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) ecmd->autoneg = AUTONEG_DISABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) ethtool_cmd_speed_set(ecmd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) ((bmcr & BMCR_SPEED1000 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) (bmcr & BMCR_SPEED100) == 0) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) SPEED_1000 :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) ((bmcr & BMCR_SPEED100) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) SPEED_100 : SPEED_10)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) ecmd->duplex = (bmcr & BMCR_FULLDPLX) ? DUPLEX_FULL : DUPLEX_HALF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) mii->full_duplex = ecmd->duplex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) /* ignore maxtxpkt, maxrxpkt for now */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) * mii_ethtool_get_link_ksettings - get settings that are specified in @cmd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) * @mii: MII interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) * @cmd: requested ethtool_link_ksettings
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) * The @cmd parameter is expected to have been cleared before calling
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) * mii_ethtool_get_link_ksettings().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) void mii_ethtool_get_link_ksettings(struct mii_if_info *mii,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) struct ethtool_link_ksettings *cmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) struct net_device *dev = mii->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) u16 bmcr, bmsr, ctrl1000 = 0, stat1000 = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) u32 nego, supported, advertising, lp_advertising;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) supported = (SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) SUPPORTED_Autoneg | SUPPORTED_TP | SUPPORTED_MII);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) if (mii->supports_gmii)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) supported |= SUPPORTED_1000baseT_Half |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) SUPPORTED_1000baseT_Full;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) /* only supports twisted-pair */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) cmd->base.port = PORT_MII;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) /* this isn't fully supported at higher layers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) cmd->base.phy_address = mii->phy_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) cmd->base.mdio_support = ETH_MDIO_SUPPORTS_C22;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) advertising = ADVERTISED_TP | ADVERTISED_MII;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) bmcr = mii->mdio_read(dev, mii->phy_id, MII_BMCR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) bmsr = mii->mdio_read(dev, mii->phy_id, MII_BMSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) if (mii->supports_gmii) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) ctrl1000 = mii->mdio_read(dev, mii->phy_id, MII_CTRL1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) stat1000 = mii->mdio_read(dev, mii->phy_id, MII_STAT1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) if (bmcr & BMCR_ANENABLE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) advertising |= ADVERTISED_Autoneg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) cmd->base.autoneg = AUTONEG_ENABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) advertising |= mii_get_an(mii, MII_ADVERTISE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) if (mii->supports_gmii)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) advertising |= mii_ctrl1000_to_ethtool_adv_t(ctrl1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) if (bmsr & BMSR_ANEGCOMPLETE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) lp_advertising = mii_get_an(mii, MII_LPA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) lp_advertising |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) mii_stat1000_to_ethtool_lpa_t(stat1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) lp_advertising = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) nego = advertising & lp_advertising;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) if (nego & (ADVERTISED_1000baseT_Full |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) ADVERTISED_1000baseT_Half)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) cmd->base.speed = SPEED_1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) cmd->base.duplex = !!(nego & ADVERTISED_1000baseT_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) } else if (nego & (ADVERTISED_100baseT_Full |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) ADVERTISED_100baseT_Half)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) cmd->base.speed = SPEED_100;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) cmd->base.duplex = !!(nego & ADVERTISED_100baseT_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) cmd->base.speed = SPEED_10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) cmd->base.duplex = !!(nego & ADVERTISED_10baseT_Full);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) cmd->base.autoneg = AUTONEG_DISABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) cmd->base.speed = ((bmcr & BMCR_SPEED1000 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) (bmcr & BMCR_SPEED100) == 0) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) SPEED_1000 :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) ((bmcr & BMCR_SPEED100) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) SPEED_100 : SPEED_10));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) cmd->base.duplex = (bmcr & BMCR_FULLDPLX) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) DUPLEX_FULL : DUPLEX_HALF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) lp_advertising = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) mii->full_duplex = cmd->base.duplex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) supported);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) advertising);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.lp_advertising,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) lp_advertising);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) /* ignore maxtxpkt, maxrxpkt for now */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) * mii_ethtool_sset - set settings that are specified in @ecmd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) * @mii: MII interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) * @ecmd: requested ethtool_cmd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) * Returns 0 for success, negative on error.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) int mii_ethtool_sset(struct mii_if_info *mii, struct ethtool_cmd *ecmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) struct net_device *dev = mii->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) u32 speed = ethtool_cmd_speed(ecmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) if (speed != SPEED_10 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) speed != SPEED_100 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) speed != SPEED_1000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) if (ecmd->duplex != DUPLEX_HALF && ecmd->duplex != DUPLEX_FULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) if (ecmd->port != PORT_MII)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) if (ecmd->transceiver != XCVR_INTERNAL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) if (ecmd->phy_address != mii->phy_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) if (ecmd->autoneg != AUTONEG_DISABLE && ecmd->autoneg != AUTONEG_ENABLE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) if ((speed == SPEED_1000) && (!mii->supports_gmii))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) /* ignore supported, maxtxpkt, maxrxpkt */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) if (ecmd->autoneg == AUTONEG_ENABLE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) u32 bmcr, advert, tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) u32 advert2 = 0, tmp2 = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) if ((ecmd->advertising & (ADVERTISED_10baseT_Half |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) ADVERTISED_10baseT_Full |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) ADVERTISED_100baseT_Half |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) ADVERTISED_100baseT_Full |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) ADVERTISED_1000baseT_Half |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) ADVERTISED_1000baseT_Full)) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) /* advertise only what has been requested */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) advert = mii->mdio_read(dev, mii->phy_id, MII_ADVERTISE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) tmp = advert & ~(ADVERTISE_ALL | ADVERTISE_100BASE4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) if (mii->supports_gmii) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) advert2 = mii->mdio_read(dev, mii->phy_id, MII_CTRL1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) tmp2 = advert2 & ~(ADVERTISE_1000HALF | ADVERTISE_1000FULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) tmp |= ethtool_adv_to_mii_adv_t(ecmd->advertising);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) if (mii->supports_gmii)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) tmp2 |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) ethtool_adv_to_mii_ctrl1000_t(ecmd->advertising);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) if (advert != tmp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) mii->mdio_write(dev, mii->phy_id, MII_ADVERTISE, tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) mii->advertising = tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) if ((mii->supports_gmii) && (advert2 != tmp2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) mii->mdio_write(dev, mii->phy_id, MII_CTRL1000, tmp2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) /* turn on autonegotiation, and force a renegotiate */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) bmcr = mii->mdio_read(dev, mii->phy_id, MII_BMCR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) mii->mdio_write(dev, mii->phy_id, MII_BMCR, bmcr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) mii->force_media = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) u32 bmcr, tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) /* turn off auto negotiation, set speed and duplexity */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) bmcr = mii->mdio_read(dev, mii->phy_id, MII_BMCR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) tmp = bmcr & ~(BMCR_ANENABLE | BMCR_SPEED100 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) BMCR_SPEED1000 | BMCR_FULLDPLX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) if (speed == SPEED_1000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) tmp |= BMCR_SPEED1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) else if (speed == SPEED_100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) tmp |= BMCR_SPEED100;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) if (ecmd->duplex == DUPLEX_FULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) tmp |= BMCR_FULLDPLX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) mii->full_duplex = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) mii->full_duplex = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) if (bmcr != tmp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) mii->mdio_write(dev, mii->phy_id, MII_BMCR, tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) mii->force_media = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) * mii_ethtool_set_link_ksettings - set settings that are specified in @cmd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) * @mii: MII interfaces
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) * @cmd: requested ethtool_link_ksettings
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) * Returns 0 for success, negative on error.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) int mii_ethtool_set_link_ksettings(struct mii_if_info *mii,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) const struct ethtool_link_ksettings *cmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) struct net_device *dev = mii->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) u32 speed = cmd->base.speed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) if (speed != SPEED_10 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) speed != SPEED_100 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) speed != SPEED_1000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) if (cmd->base.duplex != DUPLEX_HALF && cmd->base.duplex != DUPLEX_FULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) if (cmd->base.port != PORT_MII)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) if (cmd->base.phy_address != mii->phy_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) if (cmd->base.autoneg != AUTONEG_DISABLE &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) cmd->base.autoneg != AUTONEG_ENABLE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) if ((speed == SPEED_1000) && (!mii->supports_gmii))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) /* ignore supported, maxtxpkt, maxrxpkt */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) if (cmd->base.autoneg == AUTONEG_ENABLE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) u32 bmcr, advert, tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) u32 advert2 = 0, tmp2 = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) u32 advertising;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) ethtool_convert_link_mode_to_legacy_u32(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) &advertising, cmd->link_modes.advertising);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) if ((advertising & (ADVERTISED_10baseT_Half |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) ADVERTISED_10baseT_Full |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) ADVERTISED_100baseT_Half |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) ADVERTISED_100baseT_Full |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) ADVERTISED_1000baseT_Half |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) ADVERTISED_1000baseT_Full)) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) /* advertise only what has been requested */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) advert = mii->mdio_read(dev, mii->phy_id, MII_ADVERTISE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) tmp = advert & ~(ADVERTISE_ALL | ADVERTISE_100BASE4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) if (mii->supports_gmii) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) advert2 = mii->mdio_read(dev, mii->phy_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) MII_CTRL1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) tmp2 = advert2 &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) ~(ADVERTISE_1000HALF | ADVERTISE_1000FULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) tmp |= ethtool_adv_to_mii_adv_t(advertising);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) if (mii->supports_gmii)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) tmp2 |= ethtool_adv_to_mii_ctrl1000_t(advertising);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) if (advert != tmp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) mii->mdio_write(dev, mii->phy_id, MII_ADVERTISE, tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) mii->advertising = tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) if ((mii->supports_gmii) && (advert2 != tmp2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) mii->mdio_write(dev, mii->phy_id, MII_CTRL1000, tmp2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) /* turn on autonegotiation, and force a renegotiate */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) bmcr = mii->mdio_read(dev, mii->phy_id, MII_BMCR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) mii->mdio_write(dev, mii->phy_id, MII_BMCR, bmcr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) mii->force_media = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) u32 bmcr, tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) /* turn off auto negotiation, set speed and duplexity */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) bmcr = mii->mdio_read(dev, mii->phy_id, MII_BMCR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) tmp = bmcr & ~(BMCR_ANENABLE | BMCR_SPEED100 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) BMCR_SPEED1000 | BMCR_FULLDPLX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) if (speed == SPEED_1000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) tmp |= BMCR_SPEED1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) else if (speed == SPEED_100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) tmp |= BMCR_SPEED100;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) if (cmd->base.duplex == DUPLEX_FULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) tmp |= BMCR_FULLDPLX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) mii->full_duplex = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) mii->full_duplex = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) if (bmcr != tmp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) mii->mdio_write(dev, mii->phy_id, MII_BMCR, tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) mii->force_media = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) * mii_check_gmii_support - check if the MII supports Gb interfaces
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) * @mii: the MII interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) int mii_check_gmii_support(struct mii_if_info *mii)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) int reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) reg = mii->mdio_read(mii->dev, mii->phy_id, MII_BMSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) if (reg & BMSR_ESTATEN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) reg = mii->mdio_read(mii->dev, mii->phy_id, MII_ESTATUS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) if (reg & (ESTATUS_1000_TFULL | ESTATUS_1000_THALF))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) * mii_link_ok - is link status up/ok
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) * @mii: the MII interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) * Returns 1 if the MII reports link status up/ok, 0 otherwise.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) int mii_link_ok (struct mii_if_info *mii)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) /* first, a dummy read, needed to latch some MII phys */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) mii->mdio_read(mii->dev, mii->phy_id, MII_BMSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) if (mii->mdio_read(mii->dev, mii->phy_id, MII_BMSR) & BMSR_LSTATUS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) * mii_nway_restart - restart NWay (autonegotiation) for this interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) * @mii: the MII interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) * Returns 0 on success, negative on error.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) int mii_nway_restart (struct mii_if_info *mii)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) int bmcr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) int r = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) /* if autoneg is off, it's an error */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) bmcr = mii->mdio_read(mii->dev, mii->phy_id, MII_BMCR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) if (bmcr & BMCR_ANENABLE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) bmcr |= BMCR_ANRESTART;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) mii->mdio_write(mii->dev, mii->phy_id, MII_BMCR, bmcr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) r = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) * mii_check_link - check MII link status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) * @mii: MII interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) * If the link status changed (previous != current), call
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) * netif_carrier_on() if current link status is Up or call
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) * netif_carrier_off() if current link status is Down.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) void mii_check_link (struct mii_if_info *mii)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) int cur_link = mii_link_ok(mii);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) int prev_link = netif_carrier_ok(mii->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) if (cur_link && !prev_link)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) netif_carrier_on(mii->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) else if (prev_link && !cur_link)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) netif_carrier_off(mii->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) * mii_check_media - check the MII interface for a carrier/speed/duplex change
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) * @mii: the MII interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) * @ok_to_print: OK to print link up/down messages
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) * @init_media: OK to save duplex mode in @mii
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) * Returns 1 if the duplex mode changed, 0 if not.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) * If the media type is forced, always returns 0.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) unsigned int mii_check_media (struct mii_if_info *mii,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) unsigned int ok_to_print,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) unsigned int init_media)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) unsigned int old_carrier, new_carrier;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) int advertise, lpa, media, duplex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) int lpa2 = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) /* check current and old link status */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) old_carrier = netif_carrier_ok(mii->dev) ? 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) new_carrier = (unsigned int) mii_link_ok(mii);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) /* if carrier state did not change, this is a "bounce",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) * just exit as everything is already set correctly
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) if ((!init_media) && (old_carrier == new_carrier))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) return 0; /* duplex did not change */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) /* no carrier, nothing much to do */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) if (!new_carrier) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) netif_carrier_off(mii->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) if (ok_to_print)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) netdev_info(mii->dev, "link down\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) return 0; /* duplex did not change */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) * we have carrier, see who's on the other end
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) netif_carrier_on(mii->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) if (mii->force_media) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) if (ok_to_print)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) netdev_info(mii->dev, "link up\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) return 0; /* duplex did not change */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) /* get MII advertise and LPA values */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) if ((!init_media) && (mii->advertising))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) advertise = mii->advertising;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) advertise = mii->mdio_read(mii->dev, mii->phy_id, MII_ADVERTISE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) mii->advertising = advertise;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) lpa = mii->mdio_read(mii->dev, mii->phy_id, MII_LPA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) if (mii->supports_gmii)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) lpa2 = mii->mdio_read(mii->dev, mii->phy_id, MII_STAT1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) /* figure out media and duplex from advertise and LPA values */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) media = mii_nway_result(lpa & advertise);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) duplex = (media & ADVERTISE_FULL) ? 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) if (lpa2 & LPA_1000FULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) duplex = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) if (ok_to_print)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) netdev_info(mii->dev, "link up, %uMbps, %s-duplex, lpa 0x%04X\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) lpa2 & (LPA_1000FULL | LPA_1000HALF) ? 1000 :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) media & (ADVERTISE_100FULL | ADVERTISE_100HALF) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) 100 : 10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) duplex ? "full" : "half",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) lpa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) if ((init_media) || (mii->full_duplex != duplex)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) mii->full_duplex = duplex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) return 1; /* duplex changed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) return 0; /* duplex did not change */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) * generic_mii_ioctl - main MII ioctl interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) * @mii_if: the MII interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) * @mii_data: MII ioctl data structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) * @cmd: MII ioctl command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) * @duplex_chg_out: pointer to @duplex_changed status if there was no
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) * ioctl error
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) * Returns 0 on success, negative on error.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) int generic_mii_ioctl(struct mii_if_info *mii_if,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) struct mii_ioctl_data *mii_data, int cmd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) unsigned int *duplex_chg_out)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) int rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) unsigned int duplex_changed = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) if (duplex_chg_out)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) *duplex_chg_out = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) mii_data->phy_id &= mii_if->phy_id_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) mii_data->reg_num &= mii_if->reg_num_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) switch(cmd) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) case SIOCGMIIPHY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) mii_data->phy_id = mii_if->phy_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) case SIOCGMIIREG:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) mii_data->val_out =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) mii_if->mdio_read(mii_if->dev, mii_data->phy_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) mii_data->reg_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) case SIOCSMIIREG: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) u16 val = mii_data->val_in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) if (mii_data->phy_id == mii_if->phy_id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) switch(mii_data->reg_num) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) case MII_BMCR: {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) unsigned int new_duplex = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) if (val & (BMCR_RESET|BMCR_ANENABLE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) mii_if->force_media = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) mii_if->force_media = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) if (mii_if->force_media &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) (val & BMCR_FULLDPLX))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) new_duplex = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) if (mii_if->full_duplex != new_duplex) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) duplex_changed = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) mii_if->full_duplex = new_duplex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) case MII_ADVERTISE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) mii_if->advertising = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) /* do nothing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) mii_if->mdio_write(mii_if->dev, mii_data->phy_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) mii_data->reg_num, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) rc = -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) if ((rc == 0) && (duplex_chg_out) && (duplex_changed))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) *duplex_chg_out = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) MODULE_AUTHOR ("Jeff Garzik <jgarzik@pobox.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) MODULE_DESCRIPTION ("MII hardware support library");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) EXPORT_SYMBOL(mii_link_ok);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) EXPORT_SYMBOL(mii_nway_restart);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) EXPORT_SYMBOL(mii_ethtool_gset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) EXPORT_SYMBOL(mii_ethtool_get_link_ksettings);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) EXPORT_SYMBOL(mii_ethtool_sset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) EXPORT_SYMBOL(mii_ethtool_set_link_ksettings);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) EXPORT_SYMBOL(mii_check_link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) EXPORT_SYMBOL(mii_check_media);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) EXPORT_SYMBOL(mii_check_gmii_support);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) EXPORT_SYMBOL(generic_mii_ioctl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667)
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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