diff options
Diffstat (limited to 'drivers/net/tg3.c')
-rw-r--r-- | drivers/net/tg3.c | 232 |
1 files changed, 74 insertions, 158 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 57e19fb1324f..93b32d366611 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -60,12 +60,6 @@ #define BAR_0 0 #define BAR_2 2 -#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) -#define TG3_VLAN_TAG_USED 1 -#else -#define TG3_VLAN_TAG_USED 0 -#endif - #include "tg3.h" #define DRV_MODULE_NAME "tg3" @@ -134,9 +128,6 @@ TG3_TX_RING_SIZE) #define NEXT_TX(N) (((N) + 1) & (TG3_TX_RING_SIZE - 1)) -#define TG3_RX_DMA_ALIGN 16 -#define TG3_RX_HEADROOM ALIGN(VLAN_HLEN, TG3_RX_DMA_ALIGN) - #define TG3_DMA_BYTE_ENAB 64 #define TG3_RX_STD_DMA_SZ 1536 @@ -2551,39 +2542,35 @@ static void __tg3_set_mac_addr(struct tg3 *tp, int skip_mac_1) tw32(MAC_TX_BACKOFF_SEED, addr_high); } -static int tg3_set_power_state(struct tg3 *tp, pci_power_t state) +static void tg3_enable_register_access(struct tg3 *tp) { - u32 misc_host_ctrl; - bool device_should_wake, do_low_power; - - /* Make sure register accesses (indirect or otherwise) - * will function correctly. + /* + * Make sure register accesses (indirect or otherwise) will function + * correctly. */ pci_write_config_dword(tp->pdev, - TG3PCI_MISC_HOST_CTRL, - tp->misc_host_ctrl); + TG3PCI_MISC_HOST_CTRL, tp->misc_host_ctrl); +} - switch (state) { - case PCI_D0: - pci_enable_wake(tp->pdev, state, false); - pci_set_power_state(tp->pdev, PCI_D0); +static int tg3_power_up(struct tg3 *tp) +{ + tg3_enable_register_access(tp); - /* Switch out of Vaux if it is a NIC */ - if (tp->tg3_flags2 & TG3_FLG2_IS_NIC) - tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100); + pci_set_power_state(tp->pdev, PCI_D0); - return 0; + /* Switch out of Vaux if it is a NIC */ + if (tp->tg3_flags2 & TG3_FLG2_IS_NIC) + tw32_wait_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl, 100); - case PCI_D1: - case PCI_D2: - case PCI_D3hot: - break; + return 0; +} - default: - netdev_err(tp->dev, "Invalid power state (D%d) requested\n", - state); - return -EINVAL; - } +static int tg3_power_down_prepare(struct tg3 *tp) +{ + u32 misc_host_ctrl; + bool device_should_wake, do_low_power; + + tg3_enable_register_access(tp); /* Restore the CLKREQ setting. */ if (tp->tg3_flags3 & TG3_FLG3_CLKREQ_BUG) { @@ -2602,8 +2589,7 @@ static int tg3_set_power_state(struct tg3 *tp, pci_power_t state) tw32(TG3PCI_MISC_HOST_CTRL, misc_host_ctrl | MISC_HOST_CTRL_MASK_PCI_INT); - device_should_wake = pci_pme_capable(tp->pdev, state) && - device_may_wakeup(&tp->pdev->dev) && + device_should_wake = device_may_wakeup(&tp->pdev->dev) && (tp->tg3_flags & TG3_FLAG_WOL_ENABLE); if (tp->tg3_flags3 & TG3_FLG3_USE_PHYLIB) { @@ -2823,13 +2809,15 @@ static int tg3_set_power_state(struct tg3 *tp, pci_power_t state) tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN); - if (device_should_wake) - pci_enable_wake(tp->pdev, state, true); + return 0; +} - /* Finally, set the new power state. */ - pci_set_power_state(tp->pdev, state); +static void tg3_power_down(struct tg3 *tp) +{ + tg3_power_down_prepare(tp); - return 0; + pci_wake_from_d3(tp->pdev, tp->tg3_flags & TG3_FLAG_WOL_ENABLE); + pci_set_power_state(tp->pdev, PCI_D3hot); } static void tg3_aux_stat_to_speed_duplex(struct tg3 *tp, u32 val, u16 *speed, u8 *duplex) @@ -4725,8 +4713,6 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget) struct sk_buff *skb; dma_addr_t dma_addr; u32 opaque_key, desc_idx, *post_ptr; - bool hw_vlan __maybe_unused = false; - u16 vtag __maybe_unused = 0; desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK; opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK; @@ -4785,12 +4771,12 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget) tg3_recycle_rx(tnapi, tpr, opaque_key, desc_idx, *post_ptr); - copy_skb = netdev_alloc_skb(tp->dev, len + VLAN_HLEN + + copy_skb = netdev_alloc_skb(tp->dev, len + TG3_RAW_IP_ALIGN); if (copy_skb == NULL) goto drop_it_no_recycle; - skb_reserve(copy_skb, TG3_RAW_IP_ALIGN + VLAN_HLEN); + skb_reserve(copy_skb, TG3_RAW_IP_ALIGN); skb_put(copy_skb, len); pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE); skb_copy_from_linear_data(skb, copy_skb->data, len); @@ -4817,30 +4803,11 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget) } if (desc->type_flags & RXD_FLAG_VLAN && - !(tp->rx_mode & RX_MODE_KEEP_VLAN_TAG)) { - vtag = desc->err_vlan & RXD_VLAN_MASK; -#if TG3_VLAN_TAG_USED - if (tp->vlgrp) - hw_vlan = true; - else -#endif - { - struct vlan_ethhdr *ve = (struct vlan_ethhdr *) - __skb_push(skb, VLAN_HLEN); - - memmove(ve, skb->data + VLAN_HLEN, - ETH_ALEN * 2); - ve->h_vlan_proto = htons(ETH_P_8021Q); - ve->h_vlan_TCI = htons(vtag); - } - } + !(tp->rx_mode & RX_MODE_KEEP_VLAN_TAG)) + __vlan_hwaccel_put_tag(skb, + desc->err_vlan & RXD_VLAN_MASK); -#if TG3_VLAN_TAG_USED - if (hw_vlan) - vlan_gro_receive(&tnapi->napi, tp->vlgrp, vtag, skb); - else -#endif - napi_gro_receive(&tnapi->napi, skb); + napi_gro_receive(&tnapi->napi, skb); received++; budget--; @@ -5743,11 +5710,9 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb, base_flags |= TXD_FLAG_TCPUDP_CSUM; } -#if TG3_VLAN_TAG_USED if (vlan_tx_tag_present(skb)) base_flags |= (TXD_FLAG_VLAN | (vlan_tx_tag_get(skb) << 16)); -#endif len = skb_headlen(skb); @@ -5989,11 +5954,10 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb, } } } -#if TG3_VLAN_TAG_USED + if (vlan_tx_tag_present(skb)) base_flags |= (TXD_FLAG_VLAN | (vlan_tx_tag_get(skb) << 16)); -#endif if ((tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG) && !mss && skb->len > VLAN_ETH_FRAME_LEN) @@ -9137,7 +9101,7 @@ static int tg3_open(struct net_device *dev) netif_carrier_off(tp->dev); - err = tg3_set_power_state(tp, PCI_D0); + err = tg3_power_up(tp); if (err) return err; @@ -9302,7 +9266,7 @@ static int tg3_close(struct net_device *dev) tg3_free_consistent(tp); - tg3_set_power_state(tp, PCI_D3hot); + tg3_power_down(tp); netif_carrier_off(tp->dev); @@ -9535,17 +9499,10 @@ static void __tg3_set_rx_mode(struct net_device *dev) rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC | RX_MODE_KEEP_VLAN_TAG); +#if !defined(CONFIG_VLAN_8021Q) && !defined(CONFIG_VLAN_8021Q_MODULE) /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG * flag clear. */ -#if TG3_VLAN_TAG_USED - if (!tp->vlgrp && - !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) - rx_mode |= RX_MODE_KEEP_VLAN_TAG; -#else - /* By definition, VLAN is disabled always in this - * case. - */ if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) rx_mode |= RX_MODE_KEEP_VLAN_TAG; #endif @@ -11104,7 +11061,7 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest, struct tg3 *tp = netdev_priv(dev); if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) - tg3_set_power_state(tp, PCI_D0); + tg3_power_up(tp); memset(data, 0, sizeof(u64) * TG3_NUM_TEST); @@ -11172,7 +11129,7 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest, tg3_phy_start(tp); } if (tp->phy_flags & TG3_PHYFLG_IS_LOW_POWER) - tg3_set_power_state(tp, PCI_D3hot); + tg3_power_down(tp); } @@ -11233,31 +11190,6 @@ static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) return -EOPNOTSUPP; } -#if TG3_VLAN_TAG_USED -static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp) -{ - struct tg3 *tp = netdev_priv(dev); - - if (!netif_running(dev)) { - tp->vlgrp = grp; - return; - } - - tg3_netif_stop(tp); - - tg3_full_lock(tp, 0); - - tp->vlgrp = grp; - - /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */ - __tg3_set_rx_mode(dev); - - tg3_netif_start(tp); - - tg3_full_unlock(tp); -} -#endif - static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec) { struct tg3 *tp = netdev_priv(dev); @@ -12697,7 +12629,7 @@ static void __devinit tg3_read_vpd(struct tg3 *tp) cnt = pci_read_vpd(tp->pdev, pos, TG3_NVM_VPD_LEN - pos, &vpd_data[pos]); - if (cnt == -ETIMEDOUT || -EINTR) + if (cnt == -ETIMEDOUT || cnt == -EINTR) cnt = 0; else if (cnt < 0) goto out_not_found; @@ -13069,9 +13001,7 @@ static struct pci_dev * __devinit tg3_find_peer(struct tg3 *); static void inline vlan_features_add(struct net_device *dev, unsigned long flags) { -#if TG3_VLAN_TAG_USED dev->vlan_features |= flags; -#endif } static inline u32 tg3_rx_ret_ring_size(struct tg3 *tp) @@ -13086,17 +13016,15 @@ static inline u32 tg3_rx_ret_ring_size(struct tg3 *tp) return 512; } +DEFINE_PCI_DEVICE_TABLE(write_reorder_chipsets) = { + { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_FE_GATE_700C) }, + { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE) }, + { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8385_0) }, + { }, +}; + static int __devinit tg3_get_invariants(struct tg3 *tp) { - static struct pci_device_id write_reorder_chipsets[] = { - { PCI_DEVICE(PCI_VENDOR_ID_AMD, - PCI_DEVICE_ID_AMD_FE_GATE_700C) }, - { PCI_DEVICE(PCI_VENDOR_ID_AMD, - PCI_DEVICE_ID_AMD_8131_BRIDGE) }, - { PCI_DEVICE(PCI_VENDOR_ID_VIA, - PCI_DEVICE_ID_VIA_8385_0) }, - { }, - }; u32 misc_ctrl_reg; u32 pci_state_reg, grc_misc_cfg; u32 val; @@ -13623,7 +13551,7 @@ static int __devinit tg3_get_invariants(struct tg3 *tp) (tp->tg3_flags3 & TG3_FLG3_5717_PLUS)) tp->tg3_flags |= TG3_FLAG_CPMU_PRESENT; - /* Set up tp->grc_local_ctrl before calling tg3_set_power_state(). + /* Set up tp->grc_local_ctrl before calling tg_power_up(). * GPIO1 driven high will bring 5700's external PHY out of reset. * It is also used as eeprom write protect on LOMs. */ @@ -13654,7 +13582,7 @@ static int __devinit tg3_get_invariants(struct tg3 *tp) } /* Force the chip into D0. */ - err = tg3_set_power_state(tp, PCI_D0); + err = tg3_power_up(tp); if (err) { dev_err(&tp->pdev->dev, "Transition to D0 failed\n"); return err; @@ -13866,11 +13794,11 @@ static int __devinit tg3_get_invariants(struct tg3 *tp) else tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES; - tp->rx_offset = NET_IP_ALIGN + TG3_RX_HEADROOM; + tp->rx_offset = NET_IP_ALIGN; tp->rx_copy_thresh = TG3_RX_COPY_THRESHOLD; if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 && (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0) { - tp->rx_offset -= NET_IP_ALIGN; + tp->rx_offset = 0; #ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS tp->rx_copy_thresh = ~(u16)0; #endif @@ -14229,6 +14157,11 @@ static int __devinit tg3_do_test_dma(struct tg3 *tp, u32 *buf, dma_addr_t buf_dm #define TEST_BUFFER_SIZE 0x2000 +DEFINE_PCI_DEVICE_TABLE(dma_wait_state_chipsets) = { + { PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_UNI_N_PCI15) }, + { }, +}; + static int __devinit tg3_test_dma(struct tg3 *tp) { dma_addr_t buf_dma; @@ -14398,11 +14331,6 @@ static int __devinit tg3_test_dma(struct tg3 *tp) } if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) != DMA_RWCTRL_WRITE_BNDRY_16) { - static struct pci_device_id dma_wait_state_chipsets[] = { - { PCI_DEVICE(PCI_VENDOR_ID_APPLE, - PCI_DEVICE_ID_APPLE_UNI_N_PCI15) }, - { }, - }; /* DMA test passed without adjusting DMA boundary, * now look for chipsets that are known to expose the @@ -14634,9 +14562,6 @@ static const struct net_device_ops tg3_netdev_ops = { .ndo_do_ioctl = tg3_ioctl, .ndo_tx_timeout = tg3_tx_timeout, .ndo_change_mtu = tg3_change_mtu, -#if TG3_VLAN_TAG_USED - .ndo_vlan_rx_register = tg3_vlan_rx_register, -#endif #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = tg3_poll_controller, #endif @@ -14653,9 +14578,6 @@ static const struct net_device_ops tg3_netdev_ops_dma_bug = { .ndo_do_ioctl = tg3_ioctl, .ndo_tx_timeout = tg3_tx_timeout, .ndo_change_mtu = tg3_change_mtu, -#if TG3_VLAN_TAG_USED - .ndo_vlan_rx_register = tg3_vlan_rx_register, -#endif #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = tg3_poll_controller, #endif @@ -14705,9 +14627,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, SET_NETDEV_DEV(dev, &pdev->dev); -#if TG3_VLAN_TAG_USED dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; -#endif tp = netdev_priv(dev); tp->pdev = pdev; @@ -15057,19 +14977,14 @@ static void __devexit tg3_remove_one(struct pci_dev *pdev) } } -static int tg3_suspend(struct pci_dev *pdev, pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int tg3_suspend(struct device *device) { + struct pci_dev *pdev = to_pci_dev(device); struct net_device *dev = pci_get_drvdata(pdev); struct tg3 *tp = netdev_priv(dev); - pci_power_t target_state; int err; - /* PCI register 4 needs to be saved whether netif_running() or not. - * MSI address and data need to be saved if using MSI and - * netif_running(). - */ - pci_save_state(pdev); - if (!netif_running(dev)) return 0; @@ -15090,9 +15005,7 @@ static int tg3_suspend(struct pci_dev *pdev, pm_message_t state) tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE; tg3_full_unlock(tp); - target_state = pdev->pm_cap ? pci_target_state(pdev) : PCI_D3hot; - - err = tg3_set_power_state(tp, target_state); + err = tg3_power_down_prepare(tp); if (err) { int err2; @@ -15119,21 +15032,16 @@ out: return err; } -static int tg3_resume(struct pci_dev *pdev) +static int tg3_resume(struct device *device) { + struct pci_dev *pdev = to_pci_dev(device); struct net_device *dev = pci_get_drvdata(pdev); struct tg3 *tp = netdev_priv(dev); int err; - pci_restore_state(tp->pdev); - if (!netif_running(dev)) return 0; - err = tg3_set_power_state(tp, PCI_D0); - if (err) - return err; - netif_device_attach(dev); tg3_full_lock(tp, 0); @@ -15157,13 +15065,21 @@ out: return err; } +static SIMPLE_DEV_PM_OPS(tg3_pm_ops, tg3_suspend, tg3_resume); +#define TG3_PM_OPS (&tg3_pm_ops) + +#else + +#define TG3_PM_OPS NULL + +#endif /* CONFIG_PM_SLEEP */ + static struct pci_driver tg3_driver = { .name = DRV_MODULE_NAME, .id_table = tg3_pci_tbl, .probe = tg3_init_one, .remove = __devexit_p(tg3_remove_one), - .suspend = tg3_suspend, - .resume = tg3_resume + .driver.pm = TG3_PM_OPS, }; static int __init tg3_init(void) |