diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-10-12 12:49:27 +0200 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-10-12 12:49:27 +0200 |
commit | 1389ac4b976abdc0555280dfc1aa2c3abcc19641 (patch) | |
tree | 1ec51aa0b1e33201f6f4f3bebc657f9ec65f8539 /drivers/net/tg3.c | |
parent | 69e13ad56f9e2cd81c4f8bfd6267211c10c14c08 (diff) | |
parent | fd048088306656824958e7783ffcee27e241b361 (diff) |
Merge branch 'linus' into x86/signal
Conflicts:
arch/x86/kernel/signal_64.c
Diffstat (limited to 'drivers/net/tg3.c')
-rw-r--r-- | drivers/net/tg3.c | 157 |
1 files changed, 68 insertions, 89 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 71d2c5cfdad..eb9f8f3638e 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -876,7 +876,7 @@ static void tg3_mdio_config(struct tg3 *tp) { u32 val; - if (tp->mdio_bus.phy_map[PHY_ADDR]->interface != + if (tp->mdio_bus->phy_map[PHY_ADDR]->interface != PHY_INTERFACE_MODE_RGMII) return; @@ -920,9 +920,9 @@ static void tg3_mdio_config(struct tg3 *tp) static void tg3_mdio_start(struct tg3 *tp) { if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) { - mutex_lock(&tp->mdio_bus.mdio_lock); + mutex_lock(&tp->mdio_bus->mdio_lock); tp->tg3_flags3 &= ~TG3_FLG3_MDIOBUS_PAUSED; - mutex_unlock(&tp->mdio_bus.mdio_lock); + mutex_unlock(&tp->mdio_bus->mdio_lock); } tp->mi_mode &= ~MAC_MI_MODE_AUTO_POLL; @@ -936,9 +936,9 @@ static void tg3_mdio_start(struct tg3 *tp) static void tg3_mdio_stop(struct tg3 *tp) { if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) { - mutex_lock(&tp->mdio_bus.mdio_lock); + mutex_lock(&tp->mdio_bus->mdio_lock); tp->tg3_flags3 |= TG3_FLG3_MDIOBUS_PAUSED; - mutex_unlock(&tp->mdio_bus.mdio_lock); + mutex_unlock(&tp->mdio_bus->mdio_lock); } } @@ -947,7 +947,6 @@ static int tg3_mdio_init(struct tg3 *tp) int i; u32 reg; struct phy_device *phydev; - struct mii_bus *mdio_bus = &tp->mdio_bus; tg3_mdio_start(tp); @@ -955,21 +954,23 @@ static int tg3_mdio_init(struct tg3 *tp) (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED)) return 0; - memset(mdio_bus, 0, sizeof(*mdio_bus)); + tp->mdio_bus = mdiobus_alloc(); + if (tp->mdio_bus == NULL) + return -ENOMEM; - mdio_bus->name = "tg3 mdio bus"; - snprintf(mdio_bus->id, MII_BUS_ID_SIZE, "%x", + tp->mdio_bus->name = "tg3 mdio bus"; + snprintf(tp->mdio_bus->id, MII_BUS_ID_SIZE, "%x", (tp->pdev->bus->number << 8) | tp->pdev->devfn); - mdio_bus->priv = tp; - mdio_bus->dev = &tp->pdev->dev; - mdio_bus->read = &tg3_mdio_read; - mdio_bus->write = &tg3_mdio_write; - mdio_bus->reset = &tg3_mdio_reset; - mdio_bus->phy_mask = ~(1 << PHY_ADDR); - mdio_bus->irq = &tp->mdio_irq[0]; + tp->mdio_bus->priv = tp; + tp->mdio_bus->parent = &tp->pdev->dev; + tp->mdio_bus->read = &tg3_mdio_read; + tp->mdio_bus->write = &tg3_mdio_write; + tp->mdio_bus->reset = &tg3_mdio_reset; + tp->mdio_bus->phy_mask = ~(1 << PHY_ADDR); + tp->mdio_bus->irq = &tp->mdio_irq[0]; for (i = 0; i < PHY_MAX_ADDR; i++) - mdio_bus->irq[i] = PHY_POLL; + tp->mdio_bus->irq[i] = PHY_POLL; /* The bus registration will look for all the PHYs on the mdio bus. * Unfortunately, it does not ensure the PHY is powered up before @@ -979,7 +980,7 @@ static int tg3_mdio_init(struct tg3 *tp) if (tg3_readphy(tp, MII_BMCR, ®) || (reg & BMCR_PDOWN)) tg3_bmcr_reset(tp); - i = mdiobus_register(mdio_bus); + i = mdiobus_register(tp->mdio_bus); if (i) { printk(KERN_WARNING "%s: mdiobus_reg failed (0x%x)\n", tp->dev->name, i); @@ -988,7 +989,7 @@ static int tg3_mdio_init(struct tg3 *tp) tp->tg3_flags3 |= TG3_FLG3_MDIOBUS_INITED; - phydev = tp->mdio_bus.phy_map[PHY_ADDR]; + phydev = tp->mdio_bus->phy_map[PHY_ADDR]; switch (phydev->phy_id) { case TG3_PHY_ID_BCM50610: @@ -1014,7 +1015,8 @@ static void tg3_mdio_fini(struct tg3 *tp) { if (tp->tg3_flags3 & TG3_FLG3_MDIOBUS_INITED) { tp->tg3_flags3 &= ~TG3_FLG3_MDIOBUS_INITED; - mdiobus_unregister(&tp->mdio_bus); + mdiobus_unregister(tp->mdio_bus); + mdiobus_free(tp->mdio_bus); tp->tg3_flags3 &= ~TG3_FLG3_MDIOBUS_PAUSED; } } @@ -1220,7 +1222,7 @@ static void tg3_setup_flow_control(struct tg3 *tp, u32 lcladv, u32 rmtadv) u32 old_tx_mode = tp->tx_mode; if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) - autoneg = tp->mdio_bus.phy_map[PHY_ADDR]->autoneg; + autoneg = tp->mdio_bus->phy_map[PHY_ADDR]->autoneg; else autoneg = tp->link_config.autoneg; @@ -1257,7 +1259,7 @@ static void tg3_adjust_link(struct net_device *dev) u8 oldflowctrl, linkmesg = 0; u32 mac_mode, lcl_adv, rmt_adv; struct tg3 *tp = netdev_priv(dev); - struct phy_device *phydev = tp->mdio_bus.phy_map[PHY_ADDR]; + struct phy_device *phydev = tp->mdio_bus->phy_map[PHY_ADDR]; spin_lock(&tp->lock); @@ -1334,7 +1336,7 @@ static int tg3_phy_init(struct tg3 *tp) /* Bring the PHY back to a known state. */ tg3_bmcr_reset(tp); - phydev = tp->mdio_bus.phy_map[PHY_ADDR]; + phydev = tp->mdio_bus->phy_map[PHY_ADDR]; /* Attach the MAC to the PHY. */ phydev = phy_connect(tp->dev, phydev->dev.bus_id, tg3_adjust_link, @@ -1367,7 +1369,7 @@ static void tg3_phy_start(struct tg3 *tp) if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED)) return; - phydev = tp->mdio_bus.phy_map[PHY_ADDR]; + phydev = tp->mdio_bus->phy_map[PHY_ADDR]; if (tp->link_config.phy_is_low_power) { tp->link_config.phy_is_low_power = 0; @@ -1387,13 +1389,13 @@ static void tg3_phy_stop(struct tg3 *tp) if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED)) return; - phy_stop(tp->mdio_bus.phy_map[PHY_ADDR]); + phy_stop(tp->mdio_bus->phy_map[PHY_ADDR]); } static void tg3_phy_fini(struct tg3 *tp) { if (tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED) { - phy_disconnect(tp->mdio_bus.phy_map[PHY_ADDR]); + phy_disconnect(tp->mdio_bus->phy_map[PHY_ADDR]); tp->tg3_flags3 &= ~TG3_FLG3_PHY_CONNECTED; } } @@ -2049,7 +2051,7 @@ static int tg3_set_power_state(struct tg3 *tp, pci_power_t state) struct phy_device *phydev; u32 advertising; - phydev = tp->mdio_bus.phy_map[PHY_ADDR]; + phydev = tp->mdio_bus->phy_map[PHY_ADDR]; tp->link_config.phy_is_low_power = 1; @@ -3861,10 +3863,7 @@ static void tg3_tx(struct tg3 *tp) return; } - pci_unmap_single(tp->pdev, - pci_unmap_addr(ri, mapping), - skb_headlen(skb), - PCI_DMA_TODEVICE); + skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE); ri->skb = NULL; @@ -3874,12 +3873,6 @@ static void tg3_tx(struct tg3 *tp) ri = &tp->tx_buffers[sw_idx]; if (unlikely(ri->skb != NULL || sw_idx == hw_idx)) tx_bug = 1; - - pci_unmap_page(tp->pdev, - pci_unmap_addr(ri, mapping), - skb_shinfo(skb)->frags[i].size, - PCI_DMA_TODEVICE); - sw_idx = NEXT_TX(sw_idx); } @@ -4633,12 +4626,16 @@ static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb, } else { /* New SKB is guaranteed to be linear. */ entry = *start; - new_addr = pci_map_single(tp->pdev, new_skb->data, new_skb->len, - PCI_DMA_TODEVICE); + ret = skb_dma_map(&tp->pdev->dev, new_skb, DMA_TO_DEVICE); + new_addr = skb_shinfo(new_skb)->dma_maps[0]; + /* Make sure new skb does not cross any 4G boundaries. * Drop the packet if it does. */ - if (tg3_4g_overflow_test(new_addr, new_skb->len)) { + if (ret || tg3_4g_overflow_test(new_addr, new_skb->len)) { + if (!ret) + skb_dma_unmap(&tp->pdev->dev, new_skb, + DMA_TO_DEVICE); ret = -1; dev_kfree_skb(new_skb); new_skb = NULL; @@ -4652,18 +4649,8 @@ static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb, /* Now clean up the sw ring entries. */ i = 0; while (entry != last_plus_one) { - int len; - - if (i == 0) - len = skb_headlen(skb); - else - len = skb_shinfo(skb)->frags[i-1].size; - pci_unmap_single(tp->pdev, - pci_unmap_addr(&tp->tx_buffers[entry], mapping), - len, PCI_DMA_TODEVICE); if (i == 0) { tp->tx_buffers[entry].skb = new_skb; - pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, new_addr); } else { tp->tx_buffers[entry].skb = NULL; } @@ -4671,6 +4658,7 @@ static int tigon3_dma_hwbug_workaround(struct tg3 *tp, struct sk_buff *skb, i++; } + skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE); dev_kfree_skb(skb); return ret; @@ -4705,8 +4693,9 @@ static void tg3_set_txd(struct tg3 *tp, int entry, static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct tg3 *tp = netdev_priv(dev); - dma_addr_t mapping; u32 len, entry, base_flags, mss; + struct skb_shared_info *sp; + dma_addr_t mapping; len = skb_headlen(skb); @@ -4765,11 +4754,16 @@ static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev) (vlan_tx_tag_get(skb) << 16)); #endif - /* Queue skb data, a.k.a. the main skb fragment. */ - mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE); + if (skb_dma_map(&tp->pdev->dev, skb, DMA_TO_DEVICE)) { + dev_kfree_skb(skb); + goto out_unlock; + } + + sp = skb_shinfo(skb); + + mapping = sp->dma_maps[0]; tp->tx_buffers[entry].skb = skb; - pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping); tg3_set_txd(tp, entry, mapping, len, base_flags, (skb_shinfo(skb)->nr_frags == 0) | (mss << 1)); @@ -4785,13 +4779,8 @@ static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev) skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; len = frag->size; - mapping = pci_map_page(tp->pdev, - frag->page, - frag->page_offset, - len, PCI_DMA_TODEVICE); - + mapping = sp->dma_maps[i + 1]; tp->tx_buffers[entry].skb = NULL; - pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping); tg3_set_txd(tp, entry, mapping, len, base_flags, (i == last) | (mss << 1)); @@ -4859,9 +4848,10 @@ tg3_tso_bug_end: static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev) { struct tg3 *tp = netdev_priv(dev); - dma_addr_t mapping; u32 len, entry, base_flags, mss; + struct skb_shared_info *sp; int would_hit_hwbug; + dma_addr_t mapping; len = skb_headlen(skb); @@ -4942,11 +4932,16 @@ static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev) (vlan_tx_tag_get(skb) << 16)); #endif - /* Queue skb data, a.k.a. the main skb fragment. */ - mapping = pci_map_single(tp->pdev, skb->data, len, PCI_DMA_TODEVICE); + if (skb_dma_map(&tp->pdev->dev, skb, DMA_TO_DEVICE)) { + dev_kfree_skb(skb); + goto out_unlock; + } + + sp = skb_shinfo(skb); + + mapping = sp->dma_maps[0]; tp->tx_buffers[entry].skb = skb; - pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping); would_hit_hwbug = 0; @@ -4969,13 +4964,9 @@ static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev) skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; len = frag->size; - mapping = pci_map_page(tp->pdev, - frag->page, - frag->page_offset, - len, PCI_DMA_TODEVICE); + mapping = sp->dma_maps[i + 1]; tp->tx_buffers[entry].skb = NULL; - pci_unmap_addr_set(&tp->tx_buffers[entry], mapping, mapping); if (tg3_4g_overflow_test(mapping, len)) would_hit_hwbug = 1; @@ -5128,7 +5119,6 @@ static void tg3_free_rings(struct tg3 *tp) for (i = 0; i < TG3_TX_RING_SIZE; ) { struct tx_ring_info *txp; struct sk_buff *skb; - int j; txp = &tp->tx_buffers[i]; skb = txp->skb; @@ -5138,22 +5128,11 @@ static void tg3_free_rings(struct tg3 *tp) continue; } - pci_unmap_single(tp->pdev, - pci_unmap_addr(txp, mapping), - skb_headlen(skb), - PCI_DMA_TODEVICE); - txp->skb = NULL; + skb_dma_unmap(&tp->pdev->dev, skb, DMA_TO_DEVICE); - i++; + txp->skb = NULL; - for (j = 0; j < skb_shinfo(skb)->nr_frags; j++) { - txp = &tp->tx_buffers[i & (TG3_TX_RING_SIZE - 1)]; - pci_unmap_page(tp->pdev, - pci_unmap_addr(txp, mapping), - skb_shinfo(skb)->frags[j].size, - PCI_DMA_TODEVICE); - i++; - } + i += skb_shinfo(skb)->nr_frags + 1; dev_kfree_skb_any(skb); } @@ -8977,7 +8956,7 @@ static int tg3_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) { if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED)) return -EAGAIN; - return phy_ethtool_gset(tp->mdio_bus.phy_map[PHY_ADDR], cmd); + return phy_ethtool_gset(tp->mdio_bus->phy_map[PHY_ADDR], cmd); } cmd->supported = (SUPPORTED_Autoneg); @@ -9018,7 +8997,7 @@ static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) { if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED)) return -EAGAIN; - return phy_ethtool_sset(tp->mdio_bus.phy_map[PHY_ADDR], cmd); + return phy_ethtool_sset(tp->mdio_bus->phy_map[PHY_ADDR], cmd); } if (tp->tg3_flags2 & TG3_FLG2_ANY_SERDES) { @@ -9166,7 +9145,7 @@ static int tg3_nway_reset(struct net_device *dev) if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) { if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED)) return -EAGAIN; - r = phy_start_aneg(tp->mdio_bus.phy_map[PHY_ADDR]); + r = phy_start_aneg(tp->mdio_bus->phy_map[PHY_ADDR]); } else { u32 bmcr; @@ -9283,7 +9262,7 @@ static int tg3_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam u32 newadv; struct phy_device *phydev; - phydev = tp->mdio_bus.phy_map[PHY_ADDR]; + phydev = tp->mdio_bus->phy_map[PHY_ADDR]; if (epause->rx_pause) { if (epause->tx_pause) @@ -10265,7 +10244,7 @@ static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) { if (!(tp->tg3_flags3 & TG3_FLG3_PHY_CONNECTED)) return -EAGAIN; - return phy_mii_ioctl(tp->mdio_bus.phy_map[PHY_ADDR], data, cmd); + return phy_mii_ioctl(tp->mdio_bus->phy_map[PHY_ADDR], data, cmd); } switch(cmd) { |