diff options
| -rw-r--r-- | drivers/net/niu.c | 345 | ||||
| -rw-r--r-- | drivers/net/niu.h | 5 |
2 files changed, 242 insertions, 108 deletions
diff --git a/drivers/net/niu.c b/drivers/net/niu.c index 47fc586..75991eb 100644 --- a/drivers/net/niu.c +++ b/drivers/net/niu.c @@ -1115,6 +1115,130 @@ static int link_status_10g_serdes(struct niu *np, int *link_up_p) return 0; } +static int link_status_mii(struct niu *np, int *link_up_p) +{ + struct niu_link_config *lp = &np->link_config; + int err; + int bmsr, advert, ctrl1000, stat1000, lpa, bmcr, estatus; + int supported, advertising, active_speed, active_duplex; + + err = mii_read(np, np->phy_addr, MII_BMCR); + if (unlikely(err < 0)) + return err; + bmcr = err; + + err = mii_read(np, np->phy_addr, MII_BMSR); + if (unlikely(err < 0)) + return err; + bmsr = err; + + err = mii_read(np, np->phy_addr, MII_ADVERTISE); + if (unlikely(err < 0)) + return err; + advert = err; + + err = mii_read(np, np->phy_addr, MII_LPA); + if (unlikely(err < 0)) + return err; + lpa = err; + + if (likely(bmsr & BMSR_ESTATEN)) { + err = mii_read(np, np->phy_addr, MII_ESTATUS); + if (unlikely(err < 0)) + return err; + estatus = err; + + err = mii_read(np, np->phy_addr, MII_CTRL1000); + if (unlikely(err < 0)) + return err; + ctrl1000 = err; + + err = mii_read(np, np->phy_addr, MII_STAT1000); + if (unlikely(err < 0)) + return err; + stat1000 = err; + } else + estatus = ctrl1000 = stat1000 = 0; + + supported = 0; + if (bmsr & BMSR_ANEGCAPABLE) + supported |= SUPPORTED_Autoneg; + if (bmsr & BMSR_10HALF) + supported |= SUPPORTED_10baseT_Half; + if (bmsr & BMSR_10FULL) + supported |= SUPPORTED_10baseT_Full; + if (bmsr & BMSR_100HALF) + supported |= SUPPORTED_100baseT_Half; + if (bmsr & BMSR_100FULL) + supported |= SUPPORTED_100baseT_Full; + if (estatus & ESTATUS_1000_THALF) + supported |= SUPPORTED_1000baseT_Half; + if (estatus & ESTATUS_1000_TFULL) + supported |= SUPPORTED_1000baseT_Full; + lp->supported = supported; + + advertising = 0; + if (advert & ADVERTISE_10HALF) + advertising |= ADVERTISED_10baseT_Half; + if (advert & ADVERTISE_10FULL) + advertising |= ADVERTISED_10baseT_Full; + if (advert & ADVERTISE_100HALF) + advertising |= ADVERTISED_100baseT_Half; + if (advert & ADVERTISE_100FULL) + advertising |= ADVERTISED_100baseT_Full; + if (ctrl1000 & ADVERTISE_1000HALF) + advertising |= ADVERTISED_1000baseT_Half; + if (ctrl1000 & ADVERTISE_1000FULL) + advertising |= ADVERTISED_1000baseT_Full; + + if (bmcr & BMCR_ANENABLE) { + int neg, neg1000; + + lp->active_autoneg = 1; + advertising |= ADVERTISED_Autoneg; + + neg = advert & lpa; + neg1000 = (ctrl1000 << 2) & stat1000; + + if (neg1000 & (LPA_1000FULL | LPA_1000HALF)) + active_speed = SPEED_1000; + else if (neg & LPA_100) + active_speed = SPEED_100; + else if (neg & (LPA_10HALF | LPA_10FULL)) + active_speed = SPEED_10; + else + active_speed = SPEED_INVALID; + + if ((neg1000 & LPA_1000FULL) || (neg & LPA_DUPLEX)) + active_duplex = DUPLEX_FULL; + else if (active_speed != SPEED_INVALID) + active_duplex = DUPLEX_HALF; + else + active_duplex = DUPLEX_INVALID; + } else { + lp->active_autoneg = 0; + + if ((bmcr & BMCR_SPEED1000) && !(bmcr & BMCR_SPEED100)) + active_speed = SPEED_1000; + else if (bmcr & BMCR_SPEED100) + active_speed = SPEED_100; + else + active_speed = SPEED_10; + + if (bmcr & BMCR_FULLDPLX) + active_duplex = DUPLEX_FULL; + else + active_duplex = DUPLEX_HALF; + } + + lp->active_advertising = advertising; + lp->active_speed = active_speed; + lp->active_duplex = active_duplex; + *link_up_p = !!(bmsr & BMSR_LSTATUS); + + return 0; +} + static int link_status_1g_rgmii(struct niu *np, int *link_up_p) { struct niu_link_config *lp = &np->link_config; @@ -1171,6 +1295,22 @@ out: return err; } +static int link_status_1g(struct niu *np, int *link_up_p) +{ + struct niu_link_config *lp = &np->link_config; + unsigned long flags; + int err; + + spin_lock_irqsave(&np->lock, flags); + + err = link_status_mii(np, link_up_p); + lp->supported |= SUPPORTED_TP; + lp->active_advertising |= ADVERTISED_TP; + + spin_unlock_irqrestore(&np->lock, flags); + return err; +} + static int bcm8704_reset(struct niu *np) { int err, limit; @@ -1676,39 +1816,88 @@ static int mii_init_common(struct niu *np) return err; } - /* XXX configurable XXX */ - /* XXX for now don't advertise half-duplex or asym pause... XXX */ - adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP; - if (bmsr & BMSR_10FULL) - adv |= ADVERTISE_10FULL; - if (bmsr & BMSR_100FULL) - adv |= ADVERTISE_100FULL; - err = mii_write(np, np->phy_addr, MII_ADVERTISE, adv); - if (err) - return err; - - if (bmsr & BMSR_ESTATEN) { - u16 ctrl1000 = 0; - - if (estat & ESTATUS_1000_TFULL) - ctrl1000 |= ADVERTISE_1000FULL; - err = mii_write(np, np->phy_addr, MII_CTRL1000, ctrl1000); + if (lp->autoneg) { + u16 ctrl1000; + + adv = ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP; + if ((bmsr & BMSR_10HALF) && + (lp->advertising & ADVERTISED_10baseT_Half)) + adv |= ADVERTISE_10HALF; + if ((bmsr & BMSR_10FULL) && + (lp->advertising & ADVERTISED_10baseT_Full)) + adv |= ADVERTISE_10FULL; + if ((bmsr & BMSR_100HALF) && + (lp->advertising & ADVERTISED_100baseT_Half)) + adv |= ADVERTISE_100HALF; + if ((bmsr & BMSR_100FULL) && + (lp->advertising & ADVERTISED_100baseT_Full)) + adv |= ADVERTISE_100FULL; + err = mii_write(np, np->phy_addr, MII_ADVERTISE, adv); if (err) return err; + + if (likely(bmsr & BMSR_ESTATEN)) { + ctrl1000 = 0; + if ((estat & ESTATUS_1000_THALF) && + (lp->advertising & ADVERTISED_1000baseT_Half)) + ctrl1000 |= ADVERTISE_1000HALF; + if ((estat & ESTATUS_1000_TFULL) && + (lp->advertising & ADVERTISED_1000baseT_Full)) + ctrl1000 |= ADVERTISE_1000FULL; + err = mii_write(np, np->phy_addr, + MII_CTRL1000, ctrl1000); + if (err) + return err; + } + + bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); + } else { + /* !lp->autoneg */ + int fulldpx; + + if (lp->duplex == DUPLEX_FULL) { + bmcr |= BMCR_FULLDPLX; + fulldpx = 1; + } else if (lp->duplex == DUPLEX_HALF) + fulldpx = 0; + else + return -EINVAL; + + if (lp->speed == SPEED_1000) { + /* if X-full requested while not supported, or + X-half requested while not supported... */ + if ((fulldpx && !(estat & ESTATUS_1000_TFULL)) || + (!fulldpx && !(estat & ESTATUS_1000_THALF))) + return -EINVAL; + bmcr |= BMCR_SPEED1000; + } else if (lp->speed == SPEED_100) { + if ((fulldpx && !(bmsr & BMSR_100FULL)) || + (!fulldpx && !(bmsr & BMSR_100HALF))) + return -EINVAL; + bmcr |= BMCR_SPEED100; + } else if (lp->speed == SPEED_10) { + if ((fulldpx && !(bmsr & BMSR_10FULL)) || + (!fulldpx && !(bmsr & BMSR_10HALF))) + return -EINVAL; + } else + return -EINVAL; } - bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART); err = mii_write(np, np->phy_addr, MII_BMCR, bmcr); if (err) return err; +#if 0 err = mii_read(np, np->phy_addr, MII_BMCR); if (err < 0) return err; + bmcr = err; + err = mii_read(np, np->phy_addr, MII_BMSR); if (err < 0) return err; -#if 0 + bmsr = err; + pr_info(PFX "Port %u after MII init bmcr[%04x] bmsr[%04x]\n", np->port, bmcr, bmsr); #endif @@ -2054,87 +2243,6 @@ static int link_status_10g_hotplug(struct niu *np, int *link_up_p) return err; } -static int link_status_1g(struct niu *np, int *link_up_p) -{ - struct niu_link_config *lp = &np->link_config; - u16 current_speed, bmsr; - unsigned long flags; - u8 current_duplex; - int err, link_up; - - link_up = 0; - current_speed = SPEED_INVALID; - current_duplex = DUPLEX_INVALID; - - spin_lock_irqsave(&np->lock, flags); - - err = -EINVAL; - if (np->link_config.loopback_mode != LOOPBACK_DISABLED) - goto out; - - err = mii_read(np, np->phy_addr, MII_BMSR); - if (err < 0) - goto out; - - bmsr = err; - if (bmsr & BMSR_LSTATUS) { - u16 adv, lpa, common, estat; - - err = mii_read(np, np->phy_addr, MII_ADVERTISE); - if (err < 0) - goto out; - adv = err; - - err = mii_read(np, np->phy_addr, MII_LPA); - if (err < 0) - goto out; - lpa = err; - - common = adv & lpa; - - err = mii_read(np, np->phy_addr, MII_ESTATUS); - if (err < 0) - goto out; - estat = err; - - link_up = 1; - if (estat & (ESTATUS_1000_TFULL | ESTATUS_1000_THALF)) { - current_speed = SPEED_1000; - if (estat & ESTATUS_1000_TFULL) - current_duplex = DUPLEX_FULL; - else - current_duplex = DUPLEX_HALF; - } else { - if (common & ADVERTISE_100BASE4) { - current_speed = SPEED_100; - current_duplex = DUPLEX_HALF; - } else if (common & ADVERTISE_100FULL) { - current_speed = SPEED_100; - current_duplex = DUPLEX_FULL; - } else if (common & ADVERTISE_100HALF) { - current_speed = SPEED_100; - current_duplex = DUPLEX_HALF; - } else if (common & ADVERTISE_10FULL) { - current_speed = SPEED_10; - current_duplex = DUPLEX_FULL; - } else if (common & ADVERTISE_10HALF) { - current_speed = SPEED_10; - current_duplex = DUPLEX_HALF; - } else - link_up = 0; - } - } - lp->active_speed = current_speed; - lp->active_duplex = current_duplex; - err = 0; - -out: - spin_unlock_irqrestore(&np->lock, flags); - - *link_up_p = link_up; - return err; -} - static int niu_link_status(struct niu *np, int *link_up_p) { const struct niu_phy_ops *ops = np->phy_ops; @@ -5212,10 +5320,10 @@ static void niu_init_xif_xmac(struct niu *np) if (np->flags & NIU_FLAGS_10G) { val |= XMAC_CONFIG_MODE_XGMII; } else { - if (lp->active_speed == SPEED_100) - val |= XMAC_CONFIG_MODE_MII; - else + if (lp->active_speed == SPEED_1000) val |= XMAC_CONFIG_MODE_GMII; + else + val |= XMAC_CONFIG_MODE_MII; } nw64_mac(XMAC_CONFIG, val); @@ -6703,17 +6811,27 @@ static int niu_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) memset(cmd, 0, sizeof(*cmd)); cmd->phy_address = np->phy_addr; cmd->supported = lp->supported; - cmd->advertising = lp->advertising; - cmd->autoneg = lp->autoneg; + cmd->advertising = lp->active_advertising; + cmd->autoneg = lp->active_autoneg; cmd->speed = lp->active_speed; cmd->duplex = lp->active_duplex; + cmd->port = (np->flags & NIU_FLAGS_FIBER) ? PORT_FIBRE : PORT_TP; + cmd->transceiver = (np->flags & NIU_FLAGS_XCVR_SERDES) ? + XCVR_EXTERNAL : XCVR_INTERNAL; return 0; } static int niu_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) { - return -EINVAL; + struct niu *np = netdev_priv(dev); + struct niu_link_config *lp = &np->link_config; + + lp->advertising = cmd->advertising; + lp->speed = cmd->speed; + lp->duplex = cmd->duplex; + lp->autoneg = cmd->autoneg; + return niu_init_link(np); } static u32 niu_get_msglevel(struct net_device *dev) @@ -6728,6 +6846,16 @@ static void niu_set_msglevel(struct net_device *dev, u32 value) np->msg_enable = value; } +static int niu_nway_reset(struct net_device *dev) +{ + struct niu *np = netdev_priv(dev); + + if (np->link_config.autoneg) + return niu_init_link(np); + + return 0; +} + static int niu_get_eeprom_len(struct net_device *dev) { struct niu *np = netdev_priv(dev); @@ -7159,6 +7287,7 @@ static const struct ethtool_ops niu_ethtool_ops = { .get_link = ethtool_op_get_link, .get_msglevel = niu_get_msglevel, .set_msglevel = niu_set_msglevel, + .nway_reset = niu_nway_reset, .get_eeprom_len = niu_get_eeprom_len, .get_eeprom = niu_get_eeprom, .get_settings = niu_get_settings, @@ -8258,7 +8387,9 @@ static void __devinit niu_link_config_init(struct niu *np) ADVERTISED_10000baseT_Full | ADVERTISED_Autoneg); lp->speed = lp->active_speed = SPEED_INVALID; - lp->duplex = lp->active_duplex = DUPLEX_INVALID; + lp->duplex = DUPLEX_FULL; + lp->active_duplex = DUPLEX_INVALID; + lp->autoneg = 1; #if 0 lp->loopback_mode = LOOPBACK_MAC; lp->active_speed = SPEED_10000; diff --git a/drivers/net/niu.h b/drivers/net/niu.h index e1a7392..5a00237 100644 --- a/drivers/net/niu.h +++ b/drivers/net/niu.h @@ -3131,16 +3131,19 @@ struct niu_ops { }; struct niu_link_config { + u32 supported; + /* Describes what we're trying to get. */ u32 advertising; - u32 supported; u16 speed; u8 duplex; u8 autoneg; /* Describes what we actually have. */ + u32 active_advertising; u16 active_speed; u8 active_duplex; + u8 active_autoneg; #define SPEED_INVALID 0xffff #define DUPLEX_INVALID 0xff #define AUTONEG_INVALID 0xff |