diff options
| -rw-r--r-- | drivers/net/igb/igb.h | 13 | ||||
| -rw-r--r-- | drivers/net/igb/igb_ethtool.c | 12 | ||||
| -rw-r--r-- | drivers/net/igb/igb_main.c | 92 |
3 files changed, 81 insertions, 36 deletions
diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h index d4a04234472..ee08010d2c4 100644 --- a/drivers/net/igb/igb.h +++ b/drivers/net/igb/igb.h @@ -270,10 +270,7 @@ struct igb_adapter { /* to not mess up cache alignment, always add to the bottom */ unsigned long state; - unsigned int msi_enabled; -#ifdef CONFIG_DCA - unsigned int dca_enabled; -#endif + unsigned int flags; u32 eeprom_wol; /* for ioport free */ @@ -285,6 +282,14 @@ struct igb_adapter { #endif /* CONFIG_NETDEVICES_MULTIQUEUE */ }; +#define IGB_FLAG_HAS_MSI (1 << 0) +#define IGB_FLAG_MSI_ENABLE (1 << 1) +#define IGB_FLAG_HAS_DCA (1 << 2) +#define IGB_FLAG_DCA_ENABLED (1 << 3) +#define IGB_FLAG_IN_NETPOLL (1 << 5) +#define IGB_FLAG_QUAD_PORT_A (1 << 6) +#define IGB_FLAG_NEED_CTX_IDX (1 << 7) + enum e1000_state_t { __IGB_TESTING, __IGB_RESETTING, diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c index e27d5a533b4..ef209b5cd39 100644 --- a/drivers/net/igb/igb_ethtool.c +++ b/drivers/net/igb/igb_ethtool.c @@ -1097,7 +1097,7 @@ static int igb_intr_test(struct igb_adapter *adapter, u64 *data) if (adapter->msix_entries) { /* NOTE: we don't test MSI-X interrupts here, yet */ return 0; - } else if (adapter->msi_enabled) { + } else if (adapter->flags & IGB_FLAG_HAS_MSI) { shared_int = false; if (request_irq(irq, &igb_test_intr, 0, netdev->name, netdev)) { *data = 1; @@ -1727,7 +1727,6 @@ static int igb_wol_exclusion(struct igb_adapter *adapter, switch (hw->device_id) { case E1000_DEV_ID_82575GB_QUAD_COPPER: - case E1000_DEV_ID_82576_QUAD_COPPER: /* WoL not supported */ wol->supported = 0; break; @@ -1742,6 +1741,15 @@ static int igb_wol_exclusion(struct igb_adapter *adapter, /* return success for non excluded adapter ports */ retval = 0; break; + case E1000_DEV_ID_82576_QUAD_COPPER: + /* quad port adapters only support WoL on port A */ + if (!(adapter->flags & IGB_FLAG_QUAD_PORT_A)) { + wol->supported = 0; + break; + } + /* return success for non excluded adapter ports */ + retval = 0; + break; default: /* dual port cards only support WoL on port A from now on * unless it was enabled in the eeprom for port B diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index ba043c4e1ca..68a4fef3df9 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -53,7 +53,6 @@ static const char igb_driver_string[] = "Intel(R) Gigabit Ethernet Network Driver"; static const char igb_copyright[] = "Copyright (c) 2008 Intel Corporation."; - static const struct e1000_info *igb_info_tbl[] = { [board_82575] = &e1000_82575_info, }; @@ -170,6 +169,8 @@ static struct pci_driver igb_driver = { .err_handler = &igb_err_handler }; +static int global_quad_port_a; /* global quad port a indication */ + MODULE_AUTHOR("Intel Corporation, <e1000-devel@lists.sourceforge.net>"); MODULE_DESCRIPTION("Intel(R) Gigabit Ethernet Network Driver"); MODULE_LICENSE("GPL"); @@ -201,6 +202,8 @@ static int __init igb_init_module(void) printk(KERN_INFO "%s\n", igb_copyright); + global_quad_port_a = 0; + ret = pci_register_driver(&igb_driver); #ifdef CONFIG_DCA dca_register_notify(&dca_notifier); @@ -471,7 +474,7 @@ static void igb_reset_interrupt_capability(struct igb_adapter *adapter) pci_disable_msix(adapter->pdev); kfree(adapter->msix_entries); adapter->msix_entries = NULL; - } else if (adapter->msi_enabled) + } else if (adapter->flags & IGB_FLAG_HAS_MSI) pci_disable_msi(adapter->pdev); return; } @@ -510,7 +513,7 @@ msi_only: adapter->num_rx_queues = 1; adapter->num_tx_queues = 1; if (!pci_enable_msi(adapter->pdev)) - adapter->msi_enabled = 1; + adapter->flags |= IGB_FLAG_HAS_MSI; #ifdef CONFIG_NETDEVICES_MULTIQUEUE /* Notify the stack of the (possibly) reduced Tx Queue count. */ @@ -538,7 +541,7 @@ static int igb_request_irq(struct igb_adapter *adapter) /* fall back to MSI */ igb_reset_interrupt_capability(adapter); if (!pci_enable_msi(adapter->pdev)) - adapter->msi_enabled = 1; + adapter->flags |= IGB_FLAG_HAS_MSI; igb_free_all_tx_resources(adapter); igb_free_all_rx_resources(adapter); adapter->num_rx_queues = 1; @@ -557,14 +560,14 @@ static int igb_request_irq(struct igb_adapter *adapter) } } - if (adapter->msi_enabled) { + if (adapter->flags & IGB_FLAG_HAS_MSI) { err = request_irq(adapter->pdev->irq, &igb_intr_msi, 0, netdev->name, netdev); if (!err) goto request_done; /* fall back to legacy interrupts */ igb_reset_interrupt_capability(adapter); - adapter->msi_enabled = 0; + adapter->flags &= ~IGB_FLAG_HAS_MSI; } err = request_irq(adapter->pdev->irq, &igb_intr, IRQF_SHARED, @@ -1097,6 +1100,17 @@ static int __devinit igb_probe(struct pci_dev *pdev, igb_get_bus_info_pcie(hw); + /* set flags */ + switch (hw->mac.type) { + case e1000_82576: + case e1000_82575: + adapter->flags |= IGB_FLAG_HAS_DCA; + adapter->flags |= IGB_FLAG_NEED_CTX_IDX; + break; + default: + break; + } + hw->phy.autoneg_wait_to_complete = false; hw->mac.adaptive_ifs = true; @@ -1209,7 +1223,6 @@ static int __devinit igb_probe(struct pci_dev *pdev, * lan on a particular port */ switch (pdev->device) { case E1000_DEV_ID_82575GB_QUAD_COPPER: - case E1000_DEV_ID_82576_QUAD_COPPER: adapter->eeprom_wol = 0; break; case E1000_DEV_ID_82575EB_FIBER_SERDES: @@ -1220,6 +1233,16 @@ static int __devinit igb_probe(struct pci_dev *pdev, if (rd32(E1000_STATUS) & E1000_STATUS_FUNC_1) adapter->eeprom_wol = 0; break; + case E1000_DEV_ID_82576_QUAD_COPPER: + /* if quad port adapter, disable WoL on all but port A */ + if (global_quad_port_a != 0) + adapter->eeprom_wol = 0; + else + adapter->flags |= IGB_FLAG_QUAD_PORT_A; + /* Reset for multiple quad port adapters */ + if (++global_quad_port_a == 4) + global_quad_port_a = 0; + break; } /* initialize the wol settings based on the eeprom settings */ @@ -1246,8 +1269,9 @@ static int __devinit igb_probe(struct pci_dev *pdev, goto err_register; #ifdef CONFIG_DCA - if (dca_add_requester(&pdev->dev) == 0) { - adapter->dca_enabled = true; + if ((adapter->flags & IGB_FLAG_HAS_DCA) && + (dca_add_requester(&pdev->dev) == 0)) { + adapter->flags |= IGB_FLAG_DCA_ENABLED; dev_info(&pdev->dev, "DCA enabled\n"); /* Always use CB2 mode, difference is masked * in the CB driver. */ @@ -1276,7 +1300,7 @@ static int __devinit igb_probe(struct pci_dev *pdev, dev_info(&pdev->dev, "Using %s interrupts. %d rx queue(s), %d tx queue(s)\n", adapter->msix_entries ? "MSI-X" : - adapter->msi_enabled ? "MSI" : "legacy", + (adapter->flags & IGB_FLAG_HAS_MSI) ? "MSI" : "legacy", adapter->num_rx_queues, adapter->num_tx_queues); return 0; @@ -1330,10 +1354,10 @@ static void __devexit igb_remove(struct pci_dev *pdev) flush_scheduled_work(); #ifdef CONFIG_DCA - if (adapter->dca_enabled) { + if (adapter->flags & IGB_FLAG_DCA_ENABLED) { dev_info(&pdev->dev, "DCA disabled\n"); dca_remove_requester(&pdev->dev); - adapter->dca_enabled = false; + adapter->flags &= ~IGB_FLAG_DCA_ENABLED; wr32(E1000_DCA_CTRL, 1); } #endif @@ -2650,9 +2674,9 @@ static inline int igb_tso_adv(struct igb_adapter *adapter, mss_l4len_idx = (skb_shinfo(skb)->gso_size << E1000_ADVTXD_MSS_SHIFT); mss_l4len_idx |= (l4len << E1000_ADVTXD_L4LEN_SHIFT); - /* Context index must be unique per ring. Luckily, so is the interrupt - * mask value. */ - mss_l4len_idx |= tx_ring->eims_value >> 4; + /* Context index must be unique per ring. */ + if (adapter->flags & IGB_FLAG_NEED_CTX_IDX) + mss_l4len_idx |= tx_ring->queue_index << 4; context_desc->mss_l4len_idx = cpu_to_le32(mss_l4len_idx); context_desc->seqnum_seed = 0; @@ -2716,8 +2740,9 @@ static inline bool igb_tx_csum_adv(struct igb_adapter *adapter, context_desc->type_tucmd_mlhl = cpu_to_le32(tu_cmd); context_desc->seqnum_seed = 0; - context_desc->mss_l4len_idx = - cpu_to_le32(tx_ring->queue_index << 4); + if (adapter->flags & IGB_FLAG_NEED_CTX_IDX) + context_desc->mss_l4len_idx = + cpu_to_le32(tx_ring->queue_index << 4); buffer_info->time_stamp = jiffies; buffer_info->dma = 0; @@ -2818,8 +2843,9 @@ static inline void igb_tx_queue_adv(struct igb_adapter *adapter, olinfo_status |= E1000_TXD_POPTS_TXSM << 8; } - if (tx_flags & (IGB_TX_FLAGS_CSUM | IGB_TX_FLAGS_TSO | - IGB_TX_FLAGS_VLAN)) + if ((adapter->flags & IGB_FLAG_NEED_CTX_IDX) && + (tx_flags & (IGB_TX_FLAGS_CSUM | IGB_TX_FLAGS_TSO | + IGB_TX_FLAGS_VLAN))) olinfo_status |= tx_ring->queue_index << 4; olinfo_status |= ((paylen - hdr_len) << E1000_ADVTXD_PAYLEN_SHIFT); @@ -3255,7 +3281,7 @@ static irqreturn_t igb_msix_tx(int irq, void *data) if (!tx_ring->itr_val) wr32(E1000_EIMC, tx_ring->eims_value); #ifdef CONFIG_DCA - if (adapter->dca_enabled) + if (adapter->flags & IGB_FLAG_DCA_ENABLED) igb_update_tx_dca(tx_ring); #endif tx_ring->total_bytes = 0; @@ -3292,7 +3318,7 @@ static irqreturn_t igb_msix_rx(int irq, void *data) __netif_rx_schedule(adapter->netdev, &rx_ring->napi); #ifdef CONFIG_DCA - if (adapter->dca_enabled) + if (adapter->flags & IGB_FLAG_DCA_ENABLED) igb_update_rx_dca(rx_ring); #endif return IRQ_HANDLED; @@ -3355,7 +3381,7 @@ static void igb_setup_dca(struct igb_adapter *adapter) { int i; - if (!(adapter->dca_enabled)) + if (!(adapter->flags & IGB_FLAG_DCA_ENABLED)) return; for (i = 0; i < adapter->num_tx_queues; i++) { @@ -3375,12 +3401,15 @@ static int __igb_notify_dca(struct device *dev, void *data) struct e1000_hw *hw = &adapter->hw; unsigned long event = *(unsigned long *)data; + if (!(adapter->flags & IGB_FLAG_HAS_DCA)) + goto out; + switch (event) { case DCA_PROVIDER_ADD: /* if already enabled, don't do it again */ - if (adapter->dca_enabled) + if (adapter->flags & IGB_FLAG_DCA_ENABLED) break; - adapter->dca_enabled = true; + adapter->flags |= IGB_FLAG_DCA_ENABLED; /* Always use CB2 mode, difference is masked * in the CB driver. */ wr32(E1000_DCA_CTRL, 2); @@ -3391,17 +3420,17 @@ static int __igb_notify_dca(struct device *dev, void *data) } /* Fall Through since DCA is disabled. */ case DCA_PROVIDER_REMOVE: - if (adapter->dca_enabled) { + if (adapter->flags & IGB_FLAG_DCA_ENABLED) { /* without this a class_device is left * hanging around in the sysfs model */ dca_remove_requester(dev); dev_info(&adapter->pdev->dev, "DCA disabled\n"); - adapter->dca_enabled = false; + adapter->flags &= ~IGB_FLAG_DCA_ENABLED; wr32(E1000_DCA_CTRL, 1); } break; } - +out: return 0; } @@ -3507,13 +3536,13 @@ static int igb_poll(struct napi_struct *napi, int budget) /* this poll routine only supports one tx and one rx queue */ #ifdef CONFIG_DCA - if (adapter->dca_enabled) + if (adapter->flags & IGB_FLAG_DCA_ENABLED) igb_update_tx_dca(&adapter->tx_ring[0]); #endif tx_clean_complete = igb_clean_tx_irq(&adapter->tx_ring[0]); #ifdef CONFIG_DCA - if (adapter->dca_enabled) + if (adapter->flags & IGB_FLAG_DCA_ENABLED) igb_update_rx_dca(&adapter->rx_ring[0]); #endif igb_clean_rx_irq_adv(&adapter->rx_ring[0], &work_done, budget); @@ -3545,7 +3574,7 @@ static int igb_clean_rx_ring_msix(struct napi_struct *napi, int budget) goto quit_polling; #ifdef CONFIG_DCA - if (adapter->dca_enabled) + if (adapter->flags & IGB_FLAG_DCA_ENABLED) igb_update_rx_dca(rx_ring); #endif igb_clean_rx_irq_adv(rx_ring, &work_done, budget); @@ -4350,6 +4379,8 @@ static void igb_netpoll(struct net_device *netdev) int work_done = 0; igb_irq_disable(adapter); + adapter->flags |= IGB_FLAG_IN_NETPOLL; + for (i = 0; i < adapter->num_tx_queues; i++) igb_clean_tx_irq(&adapter->tx_ring[i]); @@ -4358,6 +4389,7 @@ static void igb_netpoll(struct net_device *netdev) &work_done, adapter->rx_ring[i].napi.weight); + adapter->flags &= ~IGB_FLAG_IN_NETPOLL; igb_irq_enable(adapter); } #endif /* CONFIG_NET_POLL_CONTROLLER */ |