diff options
author | Hayes Wang <hayeswang@realtek.com> | 2019-09-02 19:52:28 +0800 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2019-09-05 00:26:24 +0200 |
commit | 771efeda39360cf8160d548ed4c2b28f5e867488 (patch) | |
tree | 5ee8ba401a15da16fb9dd40152786a0b7cf3ab0f | |
parent | 472e12e7ff9fe5767caa5434a032ac436bce1e52 (diff) | |
download | linux-771efeda39360cf8160d548ed4c2b28f5e867488.tar.bz2 |
r8152: modify rtl8152_set_speed function
First, for AUTONEG_DISABLE, we only need to modify MII_BMCR.
Second, add advertising parameter for rtl8152_set_speed(). Add
RTL_ADVERTISED_xxx for advertising parameter of rtl8152_set_speed().
Then, the advertising settings from ethtool could be saved.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r-- | drivers/net/usb/r8152.c | 196 |
1 files changed, 132 insertions, 64 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 778d27d1fb15..ec23c166e67b 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -757,6 +757,7 @@ struct r8152 { u32 msg_enable; u32 tx_qlen; u32 coalesce; + u32 advertising; u32 rx_buf_sz; u32 rx_copybreak; u32 rx_pending; @@ -790,6 +791,13 @@ enum tx_csum_stat { TX_CSUM_NONE }; +#define RTL_ADVERTISED_10_HALF BIT(0) +#define RTL_ADVERTISED_10_FULL BIT(1) +#define RTL_ADVERTISED_100_HALF BIT(2) +#define RTL_ADVERTISED_100_FULL BIT(3) +#define RTL_ADVERTISED_1000_HALF BIT(4) +#define RTL_ADVERTISED_1000_FULL BIT(5) + /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast). * The RTL chips use a 64 element hash table based on the Ethernet CRC. */ @@ -3801,90 +3809,117 @@ static void rtl8153b_disable(struct r8152 *tp) r8153b_aldps_en(tp, true); } -static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u16 speed, u8 duplex) +static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u32 speed, u8 duplex, + u32 advertising) { - u16 bmcr, anar, gbcr; enum spd_duplex speed_duplex; + u16 bmcr; int ret = 0; - anar = r8152_mdio_read(tp, MII_ADVERTISE); - anar &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL | - ADVERTISE_100HALF | ADVERTISE_100FULL); - if (tp->mii.supports_gmii) { - gbcr = r8152_mdio_read(tp, MII_CTRL1000); - gbcr &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF); - } else { - gbcr = 0; - } - if (autoneg == AUTONEG_DISABLE) { - if (speed == SPEED_10) { - bmcr = 0; - anar |= ADVERTISE_10HALF | ADVERTISE_10FULL; - speed_duplex = FORCE_10M_HALF; - } else if (speed == SPEED_100) { - bmcr = BMCR_SPEED100; - anar |= ADVERTISE_100HALF | ADVERTISE_100FULL; - speed_duplex = FORCE_100M_HALF; - } else if (speed == SPEED_1000 && tp->mii.supports_gmii) { - bmcr = BMCR_SPEED1000; - gbcr |= ADVERTISE_1000FULL | ADVERTISE_1000HALF; - speed_duplex = NWAY_1000M_FULL; - } else { - ret = -EINVAL; - goto out; - } + if (duplex != DUPLEX_HALF && duplex != DUPLEX_FULL) + return -EINVAL; - if (duplex == DUPLEX_FULL) { - bmcr |= BMCR_FULLDPLX; - if (speed != SPEED_1000) - speed_duplex++; - } - } else { - if (speed == SPEED_10) { + switch (speed) { + case SPEED_10: + bmcr = BMCR_SPEED10; if (duplex == DUPLEX_FULL) { - anar |= ADVERTISE_10HALF | ADVERTISE_10FULL; - speed_duplex = NWAY_10M_FULL; + bmcr |= BMCR_FULLDPLX; + speed_duplex = FORCE_10M_FULL; } else { - anar |= ADVERTISE_10HALF; - speed_duplex = NWAY_10M_HALF; + speed_duplex = FORCE_10M_HALF; } - } else if (speed == SPEED_100) { + break; + case SPEED_100: + bmcr = BMCR_SPEED100; if (duplex == DUPLEX_FULL) { - anar |= ADVERTISE_10HALF | ADVERTISE_10FULL; - anar |= ADVERTISE_100HALF | ADVERTISE_100FULL; - speed_duplex = NWAY_100M_FULL; + bmcr |= BMCR_FULLDPLX; + speed_duplex = FORCE_100M_FULL; } else { - anar |= ADVERTISE_10HALF; - anar |= ADVERTISE_100HALF; - speed_duplex = NWAY_100M_HALF; + speed_duplex = FORCE_100M_HALF; } - } else if (speed == SPEED_1000 && tp->mii.supports_gmii) { - if (duplex == DUPLEX_FULL) { - anar |= ADVERTISE_10HALF | ADVERTISE_10FULL; - anar |= ADVERTISE_100HALF | ADVERTISE_100FULL; - gbcr |= ADVERTISE_1000FULL | ADVERTISE_1000HALF; - } else { - anar |= ADVERTISE_10HALF; - anar |= ADVERTISE_100HALF; - gbcr |= ADVERTISE_1000HALF; + break; + case SPEED_1000: + if (tp->mii.supports_gmii) { + bmcr = BMCR_SPEED1000 | BMCR_FULLDPLX; + speed_duplex = NWAY_1000M_FULL; + break; } - speed_duplex = NWAY_1000M_FULL; - } else { + /* fall through */ + default: ret = -EINVAL; goto out; } + if (duplex == DUPLEX_FULL) + tp->mii.full_duplex = 1; + else + tp->mii.full_duplex = 0; + + tp->mii.force_media = 1; + } else { + u16 anar, tmp1; + u32 support; + + support = RTL_ADVERTISED_10_HALF | RTL_ADVERTISED_10_FULL | + RTL_ADVERTISED_100_HALF | RTL_ADVERTISED_100_FULL; + + if (tp->mii.supports_gmii) + support |= RTL_ADVERTISED_1000_FULL; + + if (!(advertising & support)) + return -EINVAL; + + anar = r8152_mdio_read(tp, MII_ADVERTISE); + tmp1 = anar & ~(ADVERTISE_10HALF | ADVERTISE_10FULL | + ADVERTISE_100HALF | ADVERTISE_100FULL); + if (advertising & RTL_ADVERTISED_10_HALF) { + tmp1 |= ADVERTISE_10HALF; + speed_duplex = NWAY_10M_HALF; + } + if (advertising & RTL_ADVERTISED_10_FULL) { + tmp1 |= ADVERTISE_10FULL; + speed_duplex = NWAY_10M_FULL; + } + + if (advertising & RTL_ADVERTISED_100_HALF) { + tmp1 |= ADVERTISE_100HALF; + speed_duplex = NWAY_100M_HALF; + } + if (advertising & RTL_ADVERTISED_100_FULL) { + tmp1 |= ADVERTISE_100FULL; + speed_duplex = NWAY_100M_FULL; + } + + if (anar != tmp1) { + r8152_mdio_write(tp, MII_ADVERTISE, tmp1); + tp->mii.advertising = tmp1; + } + + if (tp->mii.supports_gmii) { + u16 gbcr; + + gbcr = r8152_mdio_read(tp, MII_CTRL1000); + tmp1 = gbcr & ~(ADVERTISE_1000FULL | + ADVERTISE_1000HALF); + + if (advertising & RTL_ADVERTISED_1000_FULL) { + tmp1 |= ADVERTISE_1000FULL; + speed_duplex = NWAY_1000M_FULL; + } + + if (gbcr != tmp1) + r8152_mdio_write(tp, MII_CTRL1000, tmp1); + } + bmcr = BMCR_ANENABLE | BMCR_ANRESTART; + + tp->mii.force_media = 0; } if (test_and_clear_bit(PHY_RESET, &tp->flags)) bmcr |= BMCR_RESET; - if (tp->mii.supports_gmii) - r8152_mdio_write(tp, MII_CTRL1000, gbcr); - - r8152_mdio_write(tp, MII_ADVERTISE, anar); r8152_mdio_write(tp, MII_BMCR, bmcr); switch (tp->version) { @@ -4122,7 +4157,8 @@ static void rtl_hw_phy_work_func_t(struct work_struct *work) tp->rtl_ops.hw_phy_cfg(tp); - rtl8152_set_speed(tp, tp->autoneg, tp->speed, tp->duplex); + rtl8152_set_speed(tp, tp->autoneg, tp->speed, tp->duplex, + tp->advertising); mutex_unlock(&tp->control); @@ -4840,20 +4876,46 @@ static int rtl8152_set_link_ksettings(struct net_device *dev, const struct ethtool_link_ksettings *cmd) { struct r8152 *tp = netdev_priv(dev); + u32 advertising = 0; int ret; ret = usb_autopm_get_interface(tp->intf); if (ret < 0) goto out; + if (test_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT, + cmd->link_modes.advertising)) + advertising |= RTL_ADVERTISED_10_HALF; + + if (test_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT, + cmd->link_modes.advertising)) + advertising |= RTL_ADVERTISED_10_FULL; + + if (test_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT, + cmd->link_modes.advertising)) + advertising |= RTL_ADVERTISED_100_HALF; + + if (test_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, + cmd->link_modes.advertising)) + advertising |= RTL_ADVERTISED_100_FULL; + + if (test_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT, + cmd->link_modes.advertising)) + advertising |= RTL_ADVERTISED_1000_HALF; + + if (test_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, + cmd->link_modes.advertising)) + advertising |= RTL_ADVERTISED_1000_FULL; + mutex_lock(&tp->control); ret = rtl8152_set_speed(tp, cmd->base.autoneg, cmd->base.speed, - cmd->base.duplex); + cmd->base.duplex, advertising); if (!ret) { tp->autoneg = cmd->base.autoneg; tp->speed = cmd->base.speed; tp->duplex = cmd->base.duplex; + tp->advertising = advertising; } mutex_unlock(&tp->control); @@ -5568,7 +5630,13 @@ static int rtl8152_probe(struct usb_interface *intf, tp->mii.phy_id = R8152_PHY_ID; tp->autoneg = AUTONEG_ENABLE; - tp->speed = tp->mii.supports_gmii ? SPEED_1000 : SPEED_100; + tp->speed = SPEED_100; + tp->advertising = RTL_ADVERTISED_10_HALF | RTL_ADVERTISED_10_FULL | + RTL_ADVERTISED_100_HALF | RTL_ADVERTISED_100_FULL; + if (tp->mii.supports_gmii) { + tp->speed = SPEED_1000; + tp->advertising |= RTL_ADVERTISED_1000_FULL; + } tp->duplex = DUPLEX_FULL; tp->rx_copybreak = RTL8152_RXFG_HEADSZ; |