diff options
| -rw-r--r-- | drivers/net/ethernet/broadcom/tg3.c | 135 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/tg3.h | 1 |
2 files changed, 136 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 594a2f9e0168..face04f905f1 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -1874,6 +1874,20 @@ static void tg3_link_report(struct tg3 *tp) tp->link_up = netif_carrier_ok(tp->dev); } +static u32 tg3_decode_flowctrl_1000T(u32 adv) +{ + u32 flowctrl = 0; + + if (adv & ADVERTISE_PAUSE_CAP) { + flowctrl |= FLOW_CTRL_RX; + if (!(adv & ADVERTISE_PAUSE_ASYM)) + flowctrl |= FLOW_CTRL_TX; + } else if (adv & ADVERTISE_PAUSE_ASYM) + flowctrl |= FLOW_CTRL_TX; + + return flowctrl; +} + static u16 tg3_advert_flowctrl_1000X(u8 flow_ctrl) { u16 miireg; @@ -1890,6 +1904,20 @@ static u16 tg3_advert_flowctrl_1000X(u8 flow_ctrl) return miireg; } +static u32 tg3_decode_flowctrl_1000X(u32 adv) +{ + u32 flowctrl = 0; + + if (adv & ADVERTISE_1000XPAUSE) { + flowctrl |= FLOW_CTRL_RX; + if (!(adv & ADVERTISE_1000XPSE_ASYM)) + flowctrl |= FLOW_CTRL_TX; + } else if (adv & ADVERTISE_1000XPSE_ASYM) + flowctrl |= FLOW_CTRL_TX; + + return flowctrl; +} + static u8 tg3_resolve_flowctrl_1000X(u16 lcladv, u16 rmtadv) { u8 cap = 0; @@ -4347,6 +4375,103 @@ static void tg3_phy_copper_begin(struct tg3 *tp) } } +static int tg3_phy_pull_config(struct tg3 *tp) +{ + int err; + u32 val; + + err = tg3_readphy(tp, MII_BMCR, &val); + if (err) + goto done; + + if (!(val & BMCR_ANENABLE)) { + tp->link_config.autoneg = AUTONEG_DISABLE; + tp->link_config.advertising = 0; + tg3_flag_clear(tp, PAUSE_AUTONEG); + + err = -EIO; + + switch (val & (BMCR_SPEED1000 | BMCR_SPEED100)) { + case 0: + if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES) + goto done; + + tp->link_config.speed = SPEED_10; + break; + case BMCR_SPEED100: + if (tp->phy_flags & TG3_PHYFLG_ANY_SERDES) + goto done; + + tp->link_config.speed = SPEED_100; + break; + case BMCR_SPEED1000: + if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) { + tp->link_config.speed = SPEED_1000; + break; + } + /* Fall through */ + default: + goto done; + } + + if (val & BMCR_FULLDPLX) + tp->link_config.duplex = DUPLEX_FULL; + else + tp->link_config.duplex = DUPLEX_HALF; + + tp->link_config.flowctrl = FLOW_CTRL_RX | FLOW_CTRL_TX; + + err = 0; + goto done; + } + + tp->link_config.autoneg = AUTONEG_ENABLE; + tp->link_config.advertising = ADVERTISED_Autoneg; + tg3_flag_set(tp, PAUSE_AUTONEG); + + if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES)) { + u32 adv; + + err = tg3_readphy(tp, MII_ADVERTISE, &val); + if (err) + goto done; + + adv = mii_adv_to_ethtool_adv_t(val & ADVERTISE_ALL); + tp->link_config.advertising |= adv | ADVERTISED_TP; + + tp->link_config.flowctrl = tg3_decode_flowctrl_1000T(val); + } else { + tp->link_config.advertising |= ADVERTISED_FIBRE; + } + + if (!(tp->phy_flags & TG3_PHYFLG_10_100_ONLY)) { + u32 adv; + + if (!(tp->phy_flags & TG3_PHYFLG_ANY_SERDES)) { + err = tg3_readphy(tp, MII_CTRL1000, &val); + if (err) + goto done; + + adv = mii_ctrl1000_to_ethtool_adv_t(val); + } else { + err = tg3_readphy(tp, MII_ADVERTISE, &val); + if (err) + goto done; + + adv = tg3_decode_flowctrl_1000X(val); + tp->link_config.flowctrl = adv; + + val &= (ADVERTISE_1000XHALF | ADVERTISE_1000XFULL); + adv = mii_adv_to_ethtool_adv_x(val); + } + + tp->link_config.advertising |= adv; + } + +done: + return err; +} + static int tg3_init_5401phy_dsp(struct tg3 *tp) { int err; @@ -9313,6 +9438,12 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy) TG3_CPMU_DBTMR2_TXIDXEQ_2047US); } + if ((tp->phy_flags & TG3_PHYFLG_KEEP_LINK_ON_PWRDN) && + !(tp->phy_flags & TG3_PHYFLG_USER_CONFIGURED)) { + tg3_phy_pull_config(tp); + tp->phy_flags |= TG3_PHYFLG_USER_CONFIGURED; + } + if (reset_phy) tg3_phy_reset(tp); @@ -11640,6 +11771,8 @@ static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) tp->link_config.duplex = cmd->duplex; } + tp->phy_flags |= TG3_PHYFLG_USER_CONFIGURED; + tg3_warn_mgmt_link_flap(tp); if (netif_running(dev)) @@ -11931,6 +12064,8 @@ static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam tg3_full_unlock(tp); } + tp->phy_flags |= TG3_PHYFLG_USER_CONFIGURED; + return err; } diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h index 150bfc71c39d..9b2d3ac2474a 100644 --- a/drivers/net/ethernet/broadcom/tg3.h +++ b/drivers/net/ethernet/broadcom/tg3.h @@ -3290,6 +3290,7 @@ struct tg3 { #define TG3_PHYFLG_IS_LOW_POWER 0x00000001 #define TG3_PHYFLG_IS_CONNECTED 0x00000002 #define TG3_PHYFLG_USE_MI_INTERRUPT 0x00000004 +#define TG3_PHYFLG_USER_CONFIGURED 0x00000008 #define TG3_PHYFLG_PHY_SERDES 0x00000010 #define TG3_PHYFLG_MII_SERDES 0x00000020 #define TG3_PHYFLG_ANY_SERDES (TG3_PHYFLG_PHY_SERDES | \ |