{
u32 reg1;
+ sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);
reg1 = sky2_pci_read32(hw, PCI_DEV_REG1);
reg1 &= ~phy_power[port];
reg1 |= coma_mode[port];
sky2_pci_write32(hw, PCI_DEV_REG1, reg1);
+ sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
sky2_pci_read32(hw, PCI_DEV_REG1);
if (hw->chip_id == CHIP_ID_YUKON_FE)
gm_phy_write(hw, port, PHY_MARV_CTRL, PHY_CT_PDOWN);
}
+ sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);
reg1 = sky2_pci_read32(hw, PCI_DEV_REG1);
reg1 |= phy_power[port]; /* set PHY to PowerDown/COMA Mode */
sky2_pci_write32(hw, PCI_DEV_REG1, reg1);
+ sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
}
/* Force a renegotiation */
static inline struct sky2_tx_le *get_tx_le(struct sky2_port *sky2, u16 *slot)
{
struct sky2_tx_le *le = sky2->tx_le + *slot;
- struct tx_ring_info *re = sky2->tx_ring + *slot;
*slot = RING_NEXT(*slot, sky2->tx_ring_size);
- re->flags = 0;
- re->skb = NULL;
le->ctrl = 0;
return le;
}
int i;
re->data_addr = pci_map_single(pdev, skb->data, size, PCI_DMA_FROMDEVICE);
- if (unlikely(pci_dma_mapping_error(pdev, re->data_addr)))
- return -EIO;
+ if (pci_dma_mapping_error(pdev, re->data_addr))
+ goto mapping_error;
pci_unmap_len_set(re, data_size, size);
- for (i = 0; i < skb_shinfo(skb)->nr_frags; i++)
- re->frag_addr[i] = pci_map_page(pdev,
- skb_shinfo(skb)->frags[i].page,
- skb_shinfo(skb)->frags[i].page_offset,
- skb_shinfo(skb)->frags[i].size,
+ for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
+ skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
+
+ re->frag_addr[i] = pci_map_page(pdev, frag->page,
+ frag->page_offset,
+ frag->size,
PCI_DMA_FROMDEVICE);
+
+ if (pci_dma_mapping_error(pdev, re->frag_addr[i]))
+ goto map_page_error;
+ }
return 0;
+
+map_page_error:
+ while (--i >= 0) {
+ pci_unmap_page(pdev, re->frag_addr[i],
+ skb_shinfo(skb)->frags[i].size,
+ PCI_DMA_FROMDEVICE);
+ }
+
+ pci_unmap_single(pdev, re->data_addr, pci_unmap_len(re, data_size),
+ PCI_DMA_FROMDEVICE);
+
+mapping_error:
+ if (net_ratelimit())
+ dev_warn(&pdev->dev, "%s: rx mapping error\n",
+ skb->dev->name);
+ return -EIO;
}
static void sky2_rx_unmap_skb(struct pci_dev *pdev, struct rx_ring_info *re)
return count;
}
-static void sky2_tx_unmap(struct pci_dev *pdev,
- const struct tx_ring_info *re)
+static void sky2_tx_unmap(struct pci_dev *pdev, struct tx_ring_info *re)
{
if (re->flags & TX_MAP_SINGLE)
pci_unmap_single(pdev, pci_unmap_addr(re, mapaddr),
pci_unmap_page(pdev, pci_unmap_addr(re, mapaddr),
pci_unmap_len(re, maplen),
PCI_DMA_TODEVICE);
+ re->flags = 0;
}
/*
dev->stats.tx_packets++;
dev->stats.tx_bytes += skb->len;
+ re->skb = NULL;
dev_kfree_skb_any(skb);
sky2->tx_next = RING_NEXT(idx, sky2->tx_ring_size);
sky2->tx_cons = idx;
smp_mb();
- if (tx_avail(sky2) > MAX_SKB_TX_LE + 4)
+ /* Wake unless it's detached, and called e.g. from sky2_down() */
+ if (tx_avail(sky2) > MAX_SKB_TX_LE + 4 && netif_device_present(dev))
netif_wake_queue(dev);
}
/* reset PHY Link Detect */
phy = sky2_pci_read16(hw, PSM_CONFIG_REG4);
+ sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);
sky2_pci_write16(hw, PSM_CONFIG_REG4, phy | 1);
+ sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
sky2_link_up(sky2);
}
struct rx_ring_info *re,
unsigned int length)
{
- struct sk_buff *skb, *nskb;
+ struct sk_buff *skb;
+ struct rx_ring_info nre;
unsigned hdr_space = sky2->rx_data_size;
- /* Don't be tricky about reusing pages (yet) */
- nskb = sky2_rx_alloc(sky2);
- if (unlikely(!nskb))
- return NULL;
+ nre.skb = sky2_rx_alloc(sky2);
+ if (unlikely(!nre.skb))
+ goto nobuf;
+
+ if (sky2_rx_map_skb(sky2->hw->pdev, &nre, hdr_space))
+ goto nomap;
skb = re->skb;
sky2_rx_unmap_skb(sky2->hw->pdev, re);
-
prefetch(skb->data);
- re->skb = nskb;
- if (sky2_rx_map_skb(sky2->hw->pdev, re, hdr_space)) {
- dev_kfree_skb(nskb);
- re->skb = skb;
- return NULL;
- }
+ *re = nre;
if (skb_shinfo(skb)->nr_frags)
skb_put_frags(skb, hdr_space, length);
else
skb_put(skb, length);
return skb;
+
+nomap:
+ dev_kfree_skb(nre.skb);
+nobuf:
+ return NULL;
}
/*
skb = receive_copy(sky2, re, length);
else
skb = receive_new(sky2, re, length);
+
+ dev->stats.rx_dropped += (skb == NULL);
+
resubmit:
sky2_rx_submit(sky2, re);
}
}
+static void sky2_rx_checksum(struct sky2_port *sky2, u32 status)
+{
+ /* If this happens then driver assuming wrong format for chip type */
+ BUG_ON(sky2->hw->flags & SKY2_HW_NEW_LE);
+
+ /* Both checksum counters are programmed to start at
+ * the same offset, so unless there is a problem they
+ * should match. This failure is an early indication that
+ * hardware receive checksumming won't work.
+ */
+ if (likely((u16)(status >> 16) == (u16)status)) {
+ struct sk_buff *skb = sky2->rx_ring[sky2->rx_next].skb;
+ skb->ip_summed = CHECKSUM_COMPLETE;
+ skb->csum = le16_to_cpu(status);
+ } else {
+ dev_notice(&sky2->hw->pdev->dev,
+ "%s: receive checksum problem (status = %#x)\n",
+ sky2->netdev->name, status);
+
+ /* Disable checksum offload */
+ sky2->flags &= ~SKY2_FLAG_RX_CHECKSUM;
+ sky2_write32(sky2->hw, Q_ADDR(rxqaddr[sky2->port], Q_CSR),
+ BMU_DIS_RX_CHKSUM);
+ }
+}
+
/* Process status response ring */
static int sky2_status_intr(struct sky2_hw *hw, int to_do, u16 idx)
{
case OP_RXSTAT:
total_packets[port]++;
total_bytes[port] += length;
+
skb = sky2_receive(dev, length, status);
- if (unlikely(!skb)) {
- dev->stats.rx_dropped++;
+ if (!skb)
break;
- }
/* This chip reports checksum status differently */
if (hw->flags & SKY2_HW_NEW_LE) {
/* fall through */
#endif
case OP_RXCHKS:
- if (!(sky2->flags & SKY2_FLAG_RX_CHECKSUM))
- break;
-
- /* If this happens then driver assuming wrong format */
- if (unlikely(hw->flags & SKY2_HW_NEW_LE)) {
- if (net_ratelimit())
- printk(KERN_NOTICE "%s: unexpected"
- " checksum status\n",
- dev->name);
- break;
- }
-
- /* Both checksum counters are programmed to start at
- * the same offset, so unless there is a problem they
- * should match. This failure is an early indication that
- * hardware receive checksumming won't work.
- */
- if (likely(status >> 16 == (status & 0xffff))) {
- skb = sky2->rx_ring[sky2->rx_next].skb;
- skb->ip_summed = CHECKSUM_COMPLETE;
- skb->csum = le16_to_cpu(status);
- } else {
- printk(KERN_NOTICE PFX "%s: hardware receive "
- "checksum problem (status = %#x)\n",
- dev->name, status);
- sky2->flags &= ~SKY2_FLAG_RX_CHECKSUM;
-
- sky2_write32(sky2->hw,
- Q_ADDR(rxqaddr[port], Q_CSR),
- BMU_DIS_RX_CHKSUM);
- }
+ if (likely(sky2->flags & SKY2_FLAG_RX_CHECKSUM))
+ sky2_rx_checksum(sky2, status);
break;
case OP_TXINDEXLE:
if (status & (Y2_IS_MST_ERR | Y2_IS_IRQ_STAT)) {
u16 pci_err;
+ sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);
pci_err = sky2_pci_read16(hw, PCI_STATUS);
if (net_ratelimit())
dev_err(&pdev->dev, "PCI hardware error (0x%x)\n",
sky2_pci_write16(hw, PCI_STATUS,
pci_err | PCI_STATUS_ERROR_BITS);
+ sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
}
if (status & Y2_IS_PCI_EXP) {
/* PCI-Express uncorrectable Error occurred */
u32 err;
+ sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);
err = sky2_read32(hw, Y2_CFG_AER + PCI_ERR_UNCOR_STATUS);
sky2_write32(hw, Y2_CFG_AER + PCI_ERR_UNCOR_STATUS,
0xfffffffful);
dev_err(&pdev->dev, "PCI Express error (0x%x)\n", err);
sky2_read32(hw, Y2_CFG_AER + PCI_ERR_UNCOR_STATUS);
+ sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
}
if (status & Y2_HWE_L1_MASK)
u32 hwe_mask = Y2_HWE_ALL_MASK;
/* disable ASF */
- if (hw->chip_id == CHIP_ID_YUKON_EX) {
+ if (hw->chip_id == CHIP_ID_YUKON_EX
+ || hw->chip_id == CHIP_ID_YUKON_SUPR) {
+ sky2_write32(hw, CPU_WDOG, 0);
status = sky2_read16(hw, HCU_CCSR);
status &= ~(HCU_CCSR_AHB_RST | HCU_CCSR_CPU_RST_MODE |
HCU_CCSR_UC_STATE_MSK);
+ /*
+ * CPU clock divider shouldn't be used because
+ * - ASF firmware may malfunction
+ * - Yukon-Supreme: Parallel FLASH doesn't support divided clocks
+ */
+ status &= ~HCU_CCSR_CPU_CLK_DIVIDE_MSK;
sky2_write16(hw, HCU_CCSR, status);
+ sky2_write32(hw, CPU_WDOG, 0);
} else
sky2_write8(hw, B28_Y2_ASF_STAT_CMD, Y2_ASF_RESET);
sky2_write16(hw, B0_CTST, Y2_ASF_DISABLE);
}
sky2_power_on(hw);
+ sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
for (i = 0; i < hw->ports; i++) {
sky2_write8(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_SET);
reg <<= PSM_CONFIG_REG4_TIMER_PHY_LINK_DETECT_BASE;
/* reset PHY Link Detect */
+ sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);
sky2_pci_write16(hw, PSM_CONFIG_REG4,
reg | PSM_CONFIG_REG4_RST_PHY_LINK_DETECT);
sky2_pci_write16(hw, PSM_CONFIG_REG4, reg);
/* restore the PCIe Link Control register */
sky2_pci_write16(hw, cap + PCI_EXP_LNKCTL, reg);
}
+ sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
/* re-enable PEX PM in PEX PHY debug reg. 8 (clear bit 12) */
sky2_write32(hw, Y2_PEX_PHY_DATA, PEX_DB_ACCESS | (0x08UL << 16));
static void sky2_detach(struct net_device *dev)
{
if (netif_running(dev)) {
+ netif_tx_lock(dev);
netif_device_detach(dev); /* stop txq */
+ netif_tx_unlock(dev);
sky2_down(dev);
}
}
return sky2_is_copper(hw) ? (WAKE_PHY | WAKE_MAGIC) : 0;
}
+static void sky2_hw_set_wol(struct sky2_hw *hw)
+{
+ int wol = 0;
+ int i;
+
+ for (i = 0; i < hw->ports; i++) {
+ struct net_device *dev = hw->dev[i];
+ struct sky2_port *sky2 = netdev_priv(dev);
+
+ if (sky2->wol)
+ wol = 1;
+ }
+
+ if (hw->chip_id == CHIP_ID_YUKON_EC_U ||
+ hw->chip_id == CHIP_ID_YUKON_EX ||
+ hw->chip_id == CHIP_ID_YUKON_FE_P)
+ sky2_write32(hw, B0_CTST, wol ? Y2_HW_WOL_ON : Y2_HW_WOL_OFF);
+
+ device_set_wakeup_enable(&hw->pdev->dev, wol);
+}
+
static void sky2_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
const struct sky2_port *sky2 = netdev_priv(dev);
sky2->wol = wol->wolopts;
- if (hw->chip_id == CHIP_ID_YUKON_EC_U ||
- hw->chip_id == CHIP_ID_YUKON_EX ||
- hw->chip_id == CHIP_ID_YUKON_FE_P)
- sky2_write32(hw, B0_CTST, sky2->wol
- ? Y2_HW_WOL_ON : Y2_HW_WOL_OFF);
-
- device_set_wakeup_enable(&hw->pdev->dev, sky2->wol);
+ sky2_hw_set_wol(hw);
if (!netif_running(dev))
sky2_wol_init(sky2);
reg &= ~(GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA);
else if (dev->flags & IFF_ALLMULTI)
memset(filter, 0xff, sizeof(filter));
- else if (dev->mc_count == 0 && !rx_pause)
+ else if (netdev_mc_empty(dev) && !rx_pause)
reg &= ~GM_RXCR_MCF_ENA;
else {
int i;
if (rx_pause)
sky2_add_filter(filter, pause_mc_addr);
- for (i = 0; list && i < dev->mc_count; i++, list = list->next)
+ for (i = 0; list && i < netdev_mc_count(dev); i++, list = list->next)
sky2_add_filter(filter, list->dmi_addr);
}
INIT_WORK(&hw->restart_work, sky2_restart);
pci_set_drvdata(pdev, hw);
+ pdev->d3_delay = 150;
return 0;
pci_enable_wake(pdev, PCI_D0, 0);
/* Re-enable all clocks */
- if (hw->chip_id == CHIP_ID_YUKON_EX ||
- hw->chip_id == CHIP_ID_YUKON_EC_U ||
- hw->chip_id == CHIP_ID_YUKON_FE_P)
- sky2_pci_write32(hw, PCI_DEV_REG3, 0);
+ err = pci_write_config_dword(pdev, PCI_DEV_REG3, 0);
+ if (err) {
+ dev_err(&pdev->dev, "PCI write config failed\n");
+ goto out;
+ }
sky2_reset(hw);
sky2_write32(hw, B0_IMSK, Y2_IS_BASE);
git://bbs.cooldavid.org / net-next-2.6.git / blobdiff