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path: root/drivers/net/e100.c
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Diffstat (limited to 'drivers/net/e100.c')
-rw-r--r--drivers/net/e100.c99
1 files changed, 80 insertions, 19 deletions
diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index 86bb876fb123..0504db9ad643 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -167,7 +167,7 @@
#define DRV_NAME "e100"
#define DRV_EXT "-NAPI"
-#define DRV_VERSION "3.5.23-k6"DRV_EXT
+#define DRV_VERSION "3.5.24-k2"DRV_EXT
#define DRV_DESCRIPTION "Intel(R) PRO/100 Network Driver"
#define DRV_COPYRIGHT "Copyright(c) 1999-2006 Intel Corporation"
#define PFX DRV_NAME ": "
@@ -240,6 +240,7 @@ static struct pci_device_id e100_id_table[] = {
INTEL_8255X_ETHERNET_DEVICE(0x1093, 7),
INTEL_8255X_ETHERNET_DEVICE(0x1094, 7),
INTEL_8255X_ETHERNET_DEVICE(0x1095, 7),
+ INTEL_8255X_ETHERNET_DEVICE(0x10fe, 7),
INTEL_8255X_ETHERNET_DEVICE(0x1209, 0),
INTEL_8255X_ETHERNET_DEVICE(0x1229, 0),
INTEL_8255X_ETHERNET_DEVICE(0x2449, 2),
@@ -275,6 +276,7 @@ enum phy {
phy_82562_em = 0x032002A8,
phy_82562_ek = 0x031002A8,
phy_82562_eh = 0x017002A8,
+ phy_82552_v = 0xd061004d,
phy_unknown = 0xFFFFFFFF,
};
@@ -943,6 +945,22 @@ static int mdio_read(struct net_device *netdev, int addr, int reg)
static void mdio_write(struct net_device *netdev, int addr, int reg, int data)
{
+ struct nic *nic = netdev_priv(netdev);
+
+ if ((nic->phy == phy_82552_v) && (reg == MII_BMCR) &&
+ (data & (BMCR_ANRESTART | BMCR_ANENABLE))) {
+ u16 advert = mdio_read(netdev, nic->mii.phy_id, MII_ADVERTISE);
+
+ /*
+ * Workaround Si issue where sometimes the part will not
+ * autoneg to 100Mbps even when advertised.
+ */
+ if (advert & ADVERTISE_100FULL)
+ data |= BMCR_SPEED100 | BMCR_FULLDPLX;
+ else if (advert & ADVERTISE_100HALF)
+ data |= BMCR_SPEED100;
+ }
+
mdio_ctrl(netdev_priv(netdev), addr, mdi_write, reg, data);
}
@@ -1276,16 +1294,12 @@ static int e100_phy_init(struct nic *nic)
if (addr == 32)
return -EAGAIN;
- /* Selected the phy and isolate the rest */
- for (addr = 0; addr < 32; addr++) {
- if (addr != nic->mii.phy_id) {
- mdio_write(netdev, addr, MII_BMCR, BMCR_ISOLATE);
- } else {
- bmcr = mdio_read(netdev, addr, MII_BMCR);
- mdio_write(netdev, addr, MII_BMCR,
- bmcr & ~BMCR_ISOLATE);
- }
- }
+ /* Isolate all the PHY ids */
+ for (addr = 0; addr < 32; addr++)
+ mdio_write(netdev, addr, MII_BMCR, BMCR_ISOLATE);
+ /* Select the discovered PHY */
+ bmcr &= ~BMCR_ISOLATE;
+ mdio_write(netdev, nic->mii.phy_id, MII_BMCR, bmcr);
/* Get phy ID */
id_lo = mdio_read(netdev, nic->mii.phy_id, MII_PHYSID1);
@@ -1303,7 +1317,18 @@ static int e100_phy_init(struct nic *nic)
mdio_write(netdev, nic->mii.phy_id, MII_NSC_CONG, cong);
}
- if ((nic->mac >= mac_82550_D102) || ((nic->flags & ich) &&
+ if (nic->phy == phy_82552_v) {
+ u16 advert = mdio_read(netdev, nic->mii.phy_id, MII_ADVERTISE);
+
+ /* Workaround Si not advertising flow-control during autoneg */
+ advert |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
+ mdio_write(netdev, nic->mii.phy_id, MII_ADVERTISE, advert);
+
+ /* Reset for the above changes to take effect */
+ bmcr = mdio_read(netdev, nic->mii.phy_id, MII_BMCR);
+ bmcr |= BMCR_RESET;
+ mdio_write(netdev, nic->mii.phy_id, MII_BMCR, bmcr);
+ } else if ((nic->mac >= mac_82550_D102) || ((nic->flags & ich) &&
(mdio_read(netdev, nic->mii.phy_id, MII_TPISTATUS) & 0x8000) &&
!(nic->eeprom[eeprom_cnfg_mdix] & eeprom_mdix_enabled))) {
/* enable/disable MDI/MDI-X auto-switching. */
@@ -1944,9 +1969,9 @@ static irqreturn_t e100_intr(int irq, void *dev_id)
if (stat_ack & stat_ack_rnr)
nic->ru_running = RU_SUSPENDED;
- if (likely(netif_rx_schedule_prep(&nic->napi))) {
+ if (likely(napi_schedule_prep(&nic->napi))) {
e100_disable_irq(nic);
- __netif_rx_schedule(&nic->napi);
+ __napi_schedule(&nic->napi);
}
return IRQ_HANDLED;
@@ -1962,7 +1987,7 @@ static int e100_poll(struct napi_struct *napi, int budget)
/* If budget not fully consumed, exit the polling mode */
if (work_done < budget) {
- netif_rx_complete(napi);
+ napi_complete(napi);
e100_enable_irq(nic);
}
@@ -2134,6 +2159,9 @@ err_clean_rx:
}
#define MII_LED_CONTROL 0x1B
+#define E100_82552_LED_OVERRIDE 0x19
+#define E100_82552_LED_ON 0x000F /* LEDTX and LED_RX both on */
+#define E100_82552_LED_OFF 0x000A /* LEDTX and LED_RX both off */
static void e100_blink_led(unsigned long data)
{
struct nic *nic = (struct nic *)data;
@@ -2143,10 +2171,19 @@ static void e100_blink_led(unsigned long data)
led_on_559 = 0x05,
led_on_557 = 0x07,
};
+ u16 led_reg = MII_LED_CONTROL;
+
+ if (nic->phy == phy_82552_v) {
+ led_reg = E100_82552_LED_OVERRIDE;
- nic->leds = (nic->leds & led_on) ? led_off :
- (nic->mac < mac_82559_D101M) ? led_on_557 : led_on_559;
- mdio_write(nic->netdev, nic->mii.phy_id, MII_LED_CONTROL, nic->leds);
+ nic->leds = (nic->leds == E100_82552_LED_ON) ?
+ E100_82552_LED_OFF : E100_82552_LED_ON;
+ } else {
+ nic->leds = (nic->leds & led_on) ? led_off :
+ (nic->mac < mac_82559_D101M) ? led_on_557 :
+ led_on_559;
+ }
+ mdio_write(nic->netdev, nic->mii.phy_id, led_reg, nic->leds);
mod_timer(&nic->blink_timer, jiffies + HZ / 4);
}
@@ -2375,13 +2412,15 @@ static void e100_diag_test(struct net_device *netdev,
static int e100_phys_id(struct net_device *netdev, u32 data)
{
struct nic *nic = netdev_priv(netdev);
+ u16 led_reg = (nic->phy == phy_82552_v) ? E100_82552_LED_OVERRIDE :
+ MII_LED_CONTROL;
if (!data || data > (u32)(MAX_SCHEDULE_TIMEOUT / HZ))
data = (u32)(MAX_SCHEDULE_TIMEOUT / HZ);
mod_timer(&nic->blink_timer, jiffies);
msleep_interruptible(data * 1000);
del_timer_sync(&nic->blink_timer);
- mdio_write(netdev, nic->mii.phy_id, MII_LED_CONTROL, 0);
+ mdio_write(netdev, nic->mii.phy_id, led_reg, 0);
return 0;
}
@@ -2686,6 +2725,9 @@ static void __devexit e100_remove(struct pci_dev *pdev)
}
}
+#define E100_82552_SMARTSPEED 0x14 /* SmartSpeed Ctrl register */
+#define E100_82552_REV_ANEG 0x0200 /* Reverse auto-negotiation */
+#define E100_82552_ANEG_NOW 0x0400 /* Auto-negotiate now */
static int e100_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct net_device *netdev = pci_get_drvdata(pdev);
@@ -2698,6 +2740,15 @@ static int e100_suspend(struct pci_dev *pdev, pm_message_t state)
pci_save_state(pdev);
if ((nic->flags & wol_magic) | e100_asf(nic)) {
+ /* enable reverse auto-negotiation */
+ if (nic->phy == phy_82552_v) {
+ u16 smartspeed = mdio_read(netdev, nic->mii.phy_id,
+ E100_82552_SMARTSPEED);
+
+ mdio_write(netdev, nic->mii.phy_id,
+ E100_82552_SMARTSPEED, smartspeed |
+ E100_82552_REV_ANEG | E100_82552_ANEG_NOW);
+ }
if (pci_enable_wake(pdev, PCI_D3cold, true))
pci_enable_wake(pdev, PCI_D3hot, true);
} else {
@@ -2721,6 +2772,16 @@ static int e100_resume(struct pci_dev *pdev)
/* ack any pending wake events, disable PME */
pci_enable_wake(pdev, 0, 0);
+ /* disbale reverse auto-negotiation */
+ if (nic->phy == phy_82552_v) {
+ u16 smartspeed = mdio_read(netdev, nic->mii.phy_id,
+ E100_82552_SMARTSPEED);
+
+ mdio_write(netdev, nic->mii.phy_id,
+ E100_82552_SMARTSPEED,
+ smartspeed & ~(E100_82552_REV_ANEG));
+ }
+
netif_device_attach(netdev);
if (netif_running(netdev))
e100_up(nic);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.