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path: root/drivers/net/skge.c
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Diffstat (limited to 'drivers/net/skge.c')
-rw-r--r--drivers/net/skge.c129
1 files changed, 80 insertions, 49 deletions
diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index 39c6677dff5..21afe108d3c 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -42,7 +42,7 @@
#include "skge.h"
#define DRV_NAME "skge"
-#define DRV_VERSION "1.10"
+#define DRV_VERSION "1.11"
#define PFX DRV_NAME " "
#define DEFAULT_TX_RING_SIZE 128
@@ -163,27 +163,46 @@ static void skge_wol_init(struct skge_port *skge)
{
struct skge_hw *hw = skge->hw;
int port = skge->port;
- enum pause_control save_mode;
- u32 ctrl;
+ u16 ctrl;
- /* Bring hardware out of reset */
skge_write16(hw, B0_CTST, CS_RST_CLR);
skge_write16(hw, SK_REG(port, GMAC_LINK_CTRL), GMLC_RST_CLR);
- skge_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_CLR);
- skge_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_CLR);
+ /* Turn on Vaux */
+ skge_write8(hw, B0_POWER_CTRL,
+ PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_ON | PC_VCC_OFF);
- /* Force to 10/100 skge_reset will re-enable on resume */
- save_mode = skge->flow_control;
- skge->flow_control = FLOW_MODE_SYMMETRIC;
+ /* WA code for COMA mode -- clear PHY reset */
+ if (hw->chip_id == CHIP_ID_YUKON_LITE &&
+ hw->chip_rev >= CHIP_REV_YU_LITE_A3) {
+ u32 reg = skge_read32(hw, B2_GP_IO);
+ reg |= GP_DIR_9;
+ reg &= ~GP_IO_9;
+ skge_write32(hw, B2_GP_IO, reg);
+ }
- ctrl = skge->advertising;
- skge->advertising &= ~(ADVERTISED_1000baseT_Half|ADVERTISED_1000baseT_Full);
+ skge_write32(hw, SK_REG(port, GPHY_CTRL),
+ GPC_DIS_SLEEP |
+ GPC_HWCFG_M_3 | GPC_HWCFG_M_2 | GPC_HWCFG_M_1 | GPC_HWCFG_M_0 |
+ GPC_ANEG_1 | GPC_RST_SET);
- skge_phy_reset(skge);
+ skge_write32(hw, SK_REG(port, GPHY_CTRL),
+ GPC_DIS_SLEEP |
+ GPC_HWCFG_M_3 | GPC_HWCFG_M_2 | GPC_HWCFG_M_1 | GPC_HWCFG_M_0 |
+ GPC_ANEG_1 | GPC_RST_CLR);
+
+ skge_write32(hw, SK_REG(port, GMAC_CTRL), GMC_RST_CLR);
+
+ /* Force to 10/100 skge_reset will re-enable on resume */
+ gm_phy_write(hw, port, PHY_MARV_AUNE_ADV,
+ PHY_AN_100FULL | PHY_AN_100HALF |
+ PHY_AN_10FULL | PHY_AN_10HALF| PHY_AN_CSMA);
+ /* no 1000 HD/FD */
+ gm_phy_write(hw, port, PHY_MARV_1000T_CTRL, 0);
+ gm_phy_write(hw, port, PHY_MARV_CTRL,
+ PHY_CT_RESET | PHY_CT_SPS_LSB | PHY_CT_ANE |
+ PHY_CT_RE_CFG | PHY_CT_DUP_MD);
- skge->flow_control = save_mode;
- skge->advertising = ctrl;
/* Set GMAC to no flow control and auto update for speed/duplex */
gma_write16(hw, port, GM_GP_CTRL,
@@ -227,12 +246,10 @@ static int skge_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
struct skge_port *skge = netdev_priv(dev);
struct skge_hw *hw = skge->hw;
- if (wol->wolopts & wol_supported(hw))
+ if (wol->wolopts & ~wol_supported(hw))
return -EOPNOTSUPP;
skge->wol = wol->wolopts;
- if (!netif_running(dev))
- skge_wol_init(skge);
return 0;
}
@@ -2535,10 +2552,12 @@ static int skge_down(struct net_device *dev)
printk(KERN_INFO PFX "%s: disabling interface\n", dev->name);
netif_stop_queue(dev);
+
if (hw->chip_id == CHIP_ID_GENESIS && hw->phy_type == SK_PHY_XMAC)
del_timer_sync(&skge->link_timer);
netif_poll_disable(dev);
+ netif_carrier_off(dev);
spin_lock_irq(&hw->hw_lock);
hw->intr_mask &= ~portmask[port];
@@ -2602,6 +2621,7 @@ static int skge_down(struct net_device *dev)
static inline int skge_avail(const struct skge_ring *ring)
{
+ smp_mb();
return ((ring->to_clean > ring->to_use) ? 0 : ring->count)
+ (ring->to_clean - ring->to_use) - 1;
}
@@ -2635,12 +2655,12 @@ static int skge_xmit_frame(struct sk_buff *skb, struct net_device *dev)
td->dma_hi = map >> 32;
if (skb->ip_summed == CHECKSUM_PARTIAL) {
- int offset = skb->h.raw - skb->data;
+ const int offset = skb_transport_offset(skb);
/* This seems backwards, but it is what the sk98lin
* does. Looks like hardware is wrong?
*/
- if (skb->h.ipiph->protocol == IPPROTO_UDP
+ if (ipip_hdr(skb)->protocol == IPPROTO_UDP
&& hw->chip_rev == 0 && hw->chip_id == CHIP_ID_YUKON)
control = BMU_TCP_CHECK;
else
@@ -2690,6 +2710,8 @@ static int skge_xmit_frame(struct sk_buff *skb, struct net_device *dev)
dev->name, e - skge->tx_ring.start, skb->len);
skge->tx_ring.to_use = e->next;
+ smp_wmb();
+
if (skge_avail(&skge->tx_ring) <= TX_LOW_WATER) {
pr_debug("%s: transmit queue full\n", dev->name);
netif_stop_queue(dev);
@@ -2707,8 +2729,6 @@ static void skge_tx_free(struct skge_port *skge, struct skge_element *e,
{
struct pci_dev *pdev = skge->hw->pdev;
- BUG_ON(!e->skb);
-
/* skb header vs. fragment */
if (control & BMU_STF)
pci_unmap_single(pdev, pci_unmap_addr(e, mapaddr),
@@ -2726,7 +2746,6 @@ static void skge_tx_free(struct skge_port *skge, struct skge_element *e,
dev_kfree_skb(e->skb);
}
- e->skb = NULL;
}
/* Free all buffers in transmit ring */
@@ -2931,7 +2950,7 @@ static struct sk_buff *skge_rx_get(struct net_device *dev,
pci_dma_sync_single_for_cpu(skge->hw->pdev,
pci_unmap_addr(e, mapaddr),
len, PCI_DMA_FROMDEVICE);
- memcpy(skb->data, e->skb->data, len);
+ skb_copy_from_linear_data(e->skb, skb->data, len);
pci_dma_sync_single_for_device(skge->hw->pdev,
pci_unmap_addr(e, mapaddr),
len, PCI_DMA_FROMDEVICE);
@@ -2998,21 +3017,29 @@ static void skge_tx_done(struct net_device *dev)
skge_write8(skge->hw, Q_ADDR(txqaddr[skge->port], Q_CSR), CSR_IRQ_CL_F);
- netif_tx_lock(dev);
for (e = ring->to_clean; e != ring->to_use; e = e->next) {
- struct skge_tx_desc *td = e->desc;
+ u32 control = ((const struct skge_tx_desc *) e->desc)->control;
- if (td->control & BMU_OWN)
+ if (control & BMU_OWN)
break;
- skge_tx_free(skge, e, td->control);
+ skge_tx_free(skge, e, control);
}
skge->tx_ring.to_clean = e;
- if (skge_avail(&skge->tx_ring) > TX_LOW_WATER)
- netif_wake_queue(dev);
+ /* Can run lockless until we need to synchronize to restart queue. */
+ smp_mb();
+
+ if (unlikely(netif_queue_stopped(dev) &&
+ skge_avail(&skge->tx_ring) > TX_LOW_WATER)) {
+ netif_tx_lock(dev);
+ if (unlikely(netif_queue_stopped(dev) &&
+ skge_avail(&skge->tx_ring) > TX_LOW_WATER)) {
+ netif_wake_queue(dev);
- netif_tx_unlock(dev);
+ }
+ netif_tx_unlock(dev);
+ }
}
static int skge_poll(struct net_device *dev, int *budget)
@@ -3765,21 +3792,6 @@ static void __devexit skge_remove(struct pci_dev *pdev)
}
#ifdef CONFIG_PM
-static int vaux_avail(struct pci_dev *pdev)
-{
- int pm_cap;
-
- pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
- if (pm_cap) {
- u16 ctl;
- pci_read_config_word(pdev, pm_cap + PCI_PM_PMC, &ctl);
- if (ctl & PCI_PM_CAP_AUX_POWER)
- return 1;
- }
- return 0;
-}
-
-
static int skge_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct skge_hw *hw = pci_get_drvdata(pdev);
@@ -3801,10 +3813,6 @@ static int skge_suspend(struct pci_dev *pdev, pm_message_t state)
wol |= skge->wol;
}
- if (wol && vaux_avail(pdev))
- skge_write8(hw, B0_POWER_CTRL,
- PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_ON | PC_VCC_OFF);
-
skge_write32(hw, B0_IMSK, 0);
pci_enable_wake(pdev, pci_choose_state(pdev, state), wol);
pci_set_power_state(pdev, pci_choose_state(pdev, state));
@@ -3850,6 +3858,28 @@ out:
}
#endif
+static void skge_shutdown(struct pci_dev *pdev)
+{
+ struct skge_hw *hw = pci_get_drvdata(pdev);
+ int i, wol = 0;
+
+ for (i = 0; i < hw->ports; i++) {
+ struct net_device *dev = hw->dev[i];
+ struct skge_port *skge = netdev_priv(dev);
+
+ if (skge->wol)
+ skge_wol_init(skge);
+ wol |= skge->wol;
+ }
+
+ pci_enable_wake(pdev, PCI_D3hot, wol);
+ pci_enable_wake(pdev, PCI_D3cold, wol);
+
+ pci_disable_device(pdev);
+ pci_set_power_state(pdev, PCI_D3hot);
+
+}
+
static struct pci_driver skge_driver = {
.name = DRV_NAME,
.id_table = skge_id_table,
@@ -3859,6 +3889,7 @@ static struct pci_driver skge_driver = {
.suspend = skge_suspend,
.resume = skge_resume,
#endif
+ .shutdown = skge_shutdown,
};
static int __init skge_init_module(void)
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-29 07:49:32 +0000