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Date: Sat, 5 Mar 2011 10:40:34 +0100
From: Francois Romieu <romieu@...zoreil.com>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org, Hayes Wang <hayeswang@...ltek.com>,
Oliver Neukum <oneukum@...e.de>,
Ben Hutchings <ben@...adent.org.uk>
Subject: [PATCH net-next 3/4] r8169: support control of advertising.
This allows "ethtool advertise" to control the speed and duplex
features the device offers the switch.
Signed-off-by: Oliver Neukum <oneukum@...e.de>
Signed-off-by: Francois Romieu <romieu@...zoreil.com>
---
drivers/net/r8169.c | 54 ++++++++++++++++++++++++++++++++++----------------
1 files changed, 37 insertions(+), 17 deletions(-)
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 2543edd..d842d00 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -551,7 +551,7 @@ struct rtl8169_private {
void (*up)(struct rtl8169_private *);
} pll_power_ops;
- int (*set_speed)(struct net_device *, u8 autoneg, u16 speed, u8 duplex);
+ int (*set_speed)(struct net_device *, u8 aneg, u16 sp, u8 dpx, u32 adv);
int (*get_settings)(struct net_device *, struct ethtool_cmd *);
void (*phy_reset_enable)(struct rtl8169_private *tp);
void (*hw_start)(struct net_device *);
@@ -1108,7 +1108,7 @@ static int rtl8169_get_regs_len(struct net_device *dev)
}
static int rtl8169_set_speed_tbi(struct net_device *dev,
- u8 autoneg, u16 speed, u8 duplex)
+ u8 autoneg, u16 speed, u8 duplex, u32 ignored)
{
struct rtl8169_private *tp = netdev_priv(dev);
void __iomem *ioaddr = tp->mmio_addr;
@@ -1131,10 +1131,11 @@ static int rtl8169_set_speed_tbi(struct net_device *dev,
}
static int rtl8169_set_speed_xmii(struct net_device *dev,
- u8 autoneg, u16 speed, u8 duplex)
+ u8 autoneg, u16 speed, u8 duplex, u32 adv)
{
struct rtl8169_private *tp = netdev_priv(dev);
int giga_ctrl, bmcr;
+ int rc = -EINVAL;
rtl_writephy(tp, 0x1f, 0x0000);
@@ -1142,8 +1143,18 @@ static int rtl8169_set_speed_xmii(struct net_device *dev,
int auto_nego;
auto_nego = rtl_readphy(tp, MII_ADVERTISE);
- auto_nego |= (ADVERTISE_10HALF | ADVERTISE_10FULL |
- ADVERTISE_100HALF | ADVERTISE_100FULL);
+ auto_nego &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL |
+ ADVERTISE_100HALF | ADVERTISE_100FULL);
+
+ if (adv & ADVERTISED_10baseT_Half)
+ auto_nego |= ADVERTISE_10HALF;
+ if (adv & ADVERTISED_10baseT_Full)
+ auto_nego |= ADVERTISE_10FULL;
+ if (adv & ADVERTISED_100baseT_Half)
+ auto_nego |= ADVERTISE_100HALF;
+ if (adv & ADVERTISED_100baseT_Full)
+ auto_nego |= ADVERTISE_100FULL;
+
auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
giga_ctrl = rtl_readphy(tp, MII_CTRL1000);
@@ -1160,10 +1171,15 @@ static int rtl8169_set_speed_xmii(struct net_device *dev,
(tp->mac_version != RTL_GIGA_MAC_VER_16) &&
(tp->mac_version != RTL_GIGA_MAC_VER_29) &&
(tp->mac_version != RTL_GIGA_MAC_VER_30)) {
- giga_ctrl |= ADVERTISE_1000FULL | ADVERTISE_1000HALF;
- } else {
+ if (adv & ADVERTISED_1000baseT_Half)
+ giga_ctrl |= ADVERTISE_1000HALF;
+ if (adv & ADVERTISED_1000baseT_Full)
+ giga_ctrl |= ADVERTISE_1000FULL;
+ } else if (adv & (ADVERTISED_1000baseT_Half |
+ ADVERTISED_1000baseT_Full)) {
netif_info(tp, link, dev,
"PHY does not support 1000Mbps\n");
+ goto out;
}
bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
@@ -1178,7 +1194,7 @@ static int rtl8169_set_speed_xmii(struct net_device *dev,
else if (speed == SPEED_100)
bmcr = BMCR_SPEED100;
else
- return -EINVAL;
+ goto out;
if (duplex == DUPLEX_FULL)
bmcr |= BMCR_FULLDPLX;
@@ -1199,16 +1215,18 @@ static int rtl8169_set_speed_xmii(struct net_device *dev,
}
}
- return 0;
+ rc = 0;
+out:
+ return rc;
}
static int rtl8169_set_speed(struct net_device *dev,
- u8 autoneg, u16 speed, u8 duplex)
+ u8 autoneg, u16 speed, u8 duplex, u32 advertising)
{
struct rtl8169_private *tp = netdev_priv(dev);
int ret;
- ret = tp->set_speed(dev, autoneg, speed, duplex);
+ ret = tp->set_speed(dev, autoneg, speed, duplex, advertising);
if (netif_running(dev) && (tp->phy_1000_ctrl_reg & ADVERTISE_1000FULL))
mod_timer(&tp->timer, jiffies + RTL8169_PHY_TIMEOUT);
@@ -1223,7 +1241,8 @@ static int rtl8169_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
int ret;
spin_lock_irqsave(&tp->lock, flags);
- ret = rtl8169_set_speed(dev, cmd->autoneg, cmd->speed, cmd->duplex);
+ ret = rtl8169_set_speed(dev,
+ cmd->autoneg, cmd->speed, cmd->duplex, cmd->advertising);
spin_unlock_irqrestore(&tp->lock, flags);
return ret;
@@ -2669,11 +2688,12 @@ static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
rtl8169_phy_reset(dev, tp);
- /*
- * rtl8169_set_speed_xmii takes good care of the Fast Ethernet
- * only 8101. Don't panic.
- */
- rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL);
+ rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL,
+ ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
+ ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
+ tp->mii.supports_gmii ?
+ ADVERTISED_1000baseT_Half |
+ ADVERTISED_1000baseT_Full : 0);
if (RTL_R8(PHYstatus) & TBI_Enable)
netif_info(tp, link, dev, "TBI auto-negotiating\n");
--
1.7.4
--
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