diff options
Diffstat (limited to 'drivers/net')
68 files changed, 3456 insertions, 953 deletions
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 0382332..65027a7 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -1944,7 +1944,8 @@ config 68360_ENET config FEC bool "FEC ethernet controller (of ColdFire and some i.MX CPUs)" depends on M523x || M527x || M5272 || M528x || M520x || M532x || \ - MACH_MX27 || ARCH_MX35 || ARCH_MX25 || ARCH_MX5 || SOC_IMX28 + IMX_HAVE_PLATFORM_FEC || MXS_HAVE_PLATFORM_FEC + default IMX_HAVE_PLATFORM_FEC || MXS_HAVE_PLATFORM_FEC if ARM select PHYLIB help Say Y here if you want to use the built-in 10/100 Fast ethernet diff --git a/drivers/net/atl1c/atl1c_main.c b/drivers/net/atl1c/atl1c_main.c index 3824382..e60595f 100644 --- a/drivers/net/atl1c/atl1c_main.c +++ b/drivers/net/atl1c/atl1c_main.c @@ -2718,7 +2718,6 @@ static int __devinit atl1c_probe(struct pci_dev *pdev, goto err_reset; } - device_init_wakeup(&pdev->dev, 1); /* reset the controller to * put the device in a known good starting state */ err = atl1c_phy_init(&adapter->hw); diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c index 3b52768..67f40b9 100644 --- a/drivers/net/atlx/atl1.c +++ b/drivers/net/atlx/atl1.c @@ -950,6 +950,7 @@ static int __devinit atl1_sw_init(struct atl1_adapter *adapter) hw->min_frame_size = ETH_ZLEN + ETH_FCS_LEN; adapter->wol = 0; + device_set_wakeup_enable(&adapter->pdev->dev, false); adapter->rx_buffer_len = (hw->max_frame_size + 7) & ~7; adapter->ict = 50000; /* 100ms */ adapter->link_speed = SPEED_0; /* hardware init */ @@ -2735,15 +2736,15 @@ static int atl1_close(struct net_device *netdev) } #ifdef CONFIG_PM -static int atl1_suspend(struct pci_dev *pdev, pm_message_t state) +static int atl1_suspend(struct device *dev) { + struct pci_dev *pdev = to_pci_dev(dev); struct net_device *netdev = pci_get_drvdata(pdev); struct atl1_adapter *adapter = netdev_priv(netdev); struct atl1_hw *hw = &adapter->hw; u32 ctrl = 0; u32 wufc = adapter->wol; u32 val; - int retval; u16 speed; u16 duplex; @@ -2751,17 +2752,15 @@ static int atl1_suspend(struct pci_dev *pdev, pm_message_t state) if (netif_running(netdev)) atl1_down(adapter); - retval = pci_save_state(pdev); - if (retval) - return retval; - atl1_read_phy_reg(hw, MII_BMSR, (u16 *) & ctrl); atl1_read_phy_reg(hw, MII_BMSR, (u16 *) & ctrl); val = ctrl & BMSR_LSTATUS; if (val) wufc &= ~ATLX_WUFC_LNKC; + if (!wufc) + goto disable_wol; - if (val && wufc) { + if (val) { val = atl1_get_speed_and_duplex(hw, &speed, &duplex); if (val) { if (netif_msg_ifdown(adapter)) @@ -2798,23 +2797,18 @@ static int atl1_suspend(struct pci_dev *pdev, pm_message_t state) ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; iowrite32(ctrl, hw->hw_addr + REG_PCIE_PHYMISC); ioread32(hw->hw_addr + REG_PCIE_PHYMISC); - - pci_enable_wake(pdev, pci_choose_state(pdev, state), 1); - goto exit; - } - - if (!val && wufc) { + } else { ctrl |= (WOL_LINK_CHG_EN | WOL_LINK_CHG_PME_EN); iowrite32(ctrl, hw->hw_addr + REG_WOL_CTRL); ioread32(hw->hw_addr + REG_WOL_CTRL); iowrite32(0, hw->hw_addr + REG_MAC_CTRL); ioread32(hw->hw_addr + REG_MAC_CTRL); hw->phy_configured = false; - pci_enable_wake(pdev, pci_choose_state(pdev, state), 1); - goto exit; } -disable_wol: + return 0; + + disable_wol: iowrite32(0, hw->hw_addr + REG_WOL_CTRL); ioread32(hw->hw_addr + REG_WOL_CTRL); ctrl = ioread32(hw->hw_addr + REG_PCIE_PHYMISC); @@ -2822,37 +2816,17 @@ disable_wol: iowrite32(ctrl, hw->hw_addr + REG_PCIE_PHYMISC); ioread32(hw->hw_addr + REG_PCIE_PHYMISC); hw->phy_configured = false; - pci_enable_wake(pdev, pci_choose_state(pdev, state), 0); -exit: - if (netif_running(netdev)) - pci_disable_msi(adapter->pdev); - pci_disable_device(pdev); - pci_set_power_state(pdev, pci_choose_state(pdev, state)); return 0; } -static int atl1_resume(struct pci_dev *pdev) +static int atl1_resume(struct device *dev) { + struct pci_dev *pdev = to_pci_dev(dev); struct net_device *netdev = pci_get_drvdata(pdev); struct atl1_adapter *adapter = netdev_priv(netdev); - u32 err; - pci_set_power_state(pdev, PCI_D0); - pci_restore_state(pdev); - - err = pci_enable_device(pdev); - if (err) { - if (netif_msg_ifup(adapter)) - dev_printk(KERN_DEBUG, &pdev->dev, - "error enabling pci device\n"); - return err; - } - - pci_set_master(pdev); iowrite32(0, adapter->hw.hw_addr + REG_WOL_CTRL); - pci_enable_wake(pdev, PCI_D3hot, 0); - pci_enable_wake(pdev, PCI_D3cold, 0); atl1_reset_hw(&adapter->hw); @@ -2864,16 +2838,25 @@ static int atl1_resume(struct pci_dev *pdev) return 0; } + +static SIMPLE_DEV_PM_OPS(atl1_pm_ops, atl1_suspend, atl1_resume); +#define ATL1_PM_OPS (&atl1_pm_ops) + #else -#define atl1_suspend NULL -#define atl1_resume NULL + +static int atl1_suspend(struct device *dev) { return 0; } + +#define ATL1_PM_OPS NULL #endif static void atl1_shutdown(struct pci_dev *pdev) { -#ifdef CONFIG_PM - atl1_suspend(pdev, PMSG_SUSPEND); -#endif + struct net_device *netdev = pci_get_drvdata(pdev); + struct atl1_adapter *adapter = netdev_priv(netdev); + + atl1_suspend(&pdev->dev); + pci_wake_from_d3(pdev, adapter->wol); + pci_set_power_state(pdev, PCI_D3hot); } #ifdef CONFIG_NET_POLL_CONTROLLER @@ -3117,9 +3100,8 @@ static struct pci_driver atl1_driver = { .id_table = atl1_pci_tbl, .probe = atl1_probe, .remove = __devexit_p(atl1_remove), - .suspend = atl1_suspend, - .resume = atl1_resume, - .shutdown = atl1_shutdown + .shutdown = atl1_shutdown, + .driver.pm = ATL1_PM_OPS, }; /* @@ -3409,6 +3391,9 @@ static int atl1_set_wol(struct net_device *netdev, adapter->wol = 0; if (wol->wolopts & WAKE_MAGIC) adapter->wol |= ATLX_WUFC_MAG; + + device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); + return 0; } diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h index add0b93..3a800e2 100644 --- a/drivers/net/benet/be.h +++ b/drivers/net/benet/be.h @@ -450,9 +450,8 @@ static inline void be_vf_eth_addr_generate(struct be_adapter *adapter, u8 *mac) mac[5] = (u8)(addr & 0xFF); mac[4] = (u8)((addr >> 8) & 0xFF); mac[3] = (u8)((addr >> 16) & 0xFF); - mac[2] = 0xC9; - mac[1] = 0x00; - mac[0] = 0x00; + /* Use the OUI from the current MAC address */ + memcpy(mac, adapter->netdev->dev_addr, 3); } extern void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm, diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c index a179cc6..619ebc2 100644 --- a/drivers/net/benet/be_cmds.c +++ b/drivers/net/benet/be_cmds.c @@ -23,6 +23,12 @@ static void be_mcc_notify(struct be_adapter *adapter) struct be_queue_info *mccq = &adapter->mcc_obj.q; u32 val = 0; + if (adapter->eeh_err) { + dev_info(&adapter->pdev->dev, + "Error in Card Detected! Cannot issue commands\n"); + return; + } + val |= mccq->id & DB_MCCQ_RING_ID_MASK; val |= 1 << DB_MCCQ_NUM_POSTED_SHIFT; @@ -102,6 +108,7 @@ static void be_async_grp5_cos_priority_process(struct be_adapter *adapter, { if (evt->valid) { adapter->vlan_prio_bmap = evt->available_priority_bmap; + adapter->recommended_prio &= ~VLAN_PRIO_MASK; adapter->recommended_prio = evt->reco_default_priority << VLAN_PRIO_SHIFT; } @@ -216,6 +223,9 @@ static int be_mcc_wait_compl(struct be_adapter *adapter) int i, num, status = 0; struct be_mcc_obj *mcc_obj = &adapter->mcc_obj; + if (adapter->eeh_err) + return -EIO; + for (i = 0; i < mcc_timeout; i++) { num = be_process_mcc(adapter, &status); if (num) @@ -245,6 +255,12 @@ static int be_mbox_db_ready_wait(struct be_adapter *adapter, void __iomem *db) int msecs = 0; u32 ready; + if (adapter->eeh_err) { + dev_err(&adapter->pdev->dev, + "Error detected in card.Cannot issue commands\n"); + return -EIO; + } + do { ready = ioread32(db); if (ready == 0xffffffff) { @@ -598,7 +614,7 @@ int be_cmd_mac_addr_query(struct be_adapter *adapter, u8 *mac_addr, /* Uses synchronous MCCQ */ int be_cmd_pmac_add(struct be_adapter *adapter, u8 *mac_addr, - u32 if_id, u32 *pmac_id) + u32 if_id, u32 *pmac_id, u32 domain) { struct be_mcc_wrb *wrb; struct be_cmd_req_pmac_add *req; @@ -619,6 +635,7 @@ int be_cmd_pmac_add(struct be_adapter *adapter, u8 *mac_addr, be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_NTWK_PMAC_ADD, sizeof(*req)); + req->hdr.domain = domain; req->if_id = cpu_to_le32(if_id); memcpy(req->mac_address, mac_addr, ETH_ALEN); @@ -634,7 +651,7 @@ err: } /* Uses synchronous MCCQ */ -int be_cmd_pmac_del(struct be_adapter *adapter, u32 if_id, u32 pmac_id) +int be_cmd_pmac_del(struct be_adapter *adapter, u32 if_id, u32 pmac_id, u32 dom) { struct be_mcc_wrb *wrb; struct be_cmd_req_pmac_del *req; @@ -655,6 +672,7 @@ int be_cmd_pmac_del(struct be_adapter *adapter, u32 if_id, u32 pmac_id) be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_NTWK_PMAC_DEL, sizeof(*req)); + req->hdr.domain = dom; req->if_id = cpu_to_le32(if_id); req->pmac_id = cpu_to_le32(pmac_id); @@ -995,7 +1013,7 @@ int be_cmd_if_create(struct be_adapter *adapter, u32 cap_flags, u32 en_flags, } /* Uses mbox */ -int be_cmd_if_destroy(struct be_adapter *adapter, u32 interface_id) +int be_cmd_if_destroy(struct be_adapter *adapter, u32 interface_id, u32 domain) { struct be_mcc_wrb *wrb; struct be_cmd_req_if_destroy *req; @@ -1016,6 +1034,7 @@ int be_cmd_if_destroy(struct be_adapter *adapter, u32 interface_id) be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_NTWK_INTERFACE_DESTROY, sizeof(*req)); + req->hdr.domain = domain; req->interface_id = cpu_to_le32(interface_id); status = be_mbox_notify_wait(adapter); @@ -1868,8 +1887,8 @@ int be_cmd_set_qos(struct be_adapter *adapter, u32 bps, u32 domain) OPCODE_COMMON_SET_QOS, sizeof(*req)); req->hdr.domain = domain; - req->valid_bits = BE_QOS_BITS_NIC; - req->max_bps_nic = bps; + req->valid_bits = cpu_to_le32(BE_QOS_BITS_NIC); + req->max_bps_nic = cpu_to_le32(bps); status = be_mcc_notify_wait(adapter); diff --git a/drivers/net/benet/be_cmds.h b/drivers/net/benet/be_cmds.h index 83d15c8..91c5d2b 100644 --- a/drivers/net/benet/be_cmds.h +++ b/drivers/net/benet/be_cmds.h @@ -999,12 +999,14 @@ extern int be_cmd_POST(struct be_adapter *adapter); extern int be_cmd_mac_addr_query(struct be_adapter *adapter, u8 *mac_addr, u8 type, bool permanent, u32 if_handle); extern int be_cmd_pmac_add(struct be_adapter *adapter, u8 *mac_addr, - u32 if_id, u32 *pmac_id); -extern int be_cmd_pmac_del(struct be_adapter *adapter, u32 if_id, u32 pmac_id); + u32 if_id, u32 *pmac_id, u32 domain); +extern int be_cmd_pmac_del(struct be_adapter *adapter, u32 if_id, + u32 pmac_id, u32 domain); extern int be_cmd_if_create(struct be_adapter *adapter, u32 cap_flags, u32 en_flags, u8 *mac, bool pmac_invalid, u32 *if_handle, u32 *pmac_id, u32 domain); -extern int be_cmd_if_destroy(struct be_adapter *adapter, u32 if_handle); +extern int be_cmd_if_destroy(struct be_adapter *adapter, u32 if_handle, + u32 domain); extern int be_cmd_eq_create(struct be_adapter *adapter, struct be_queue_info *eq, int eq_delay); extern int be_cmd_cq_create(struct be_adapter *adapter, diff --git a/drivers/net/benet/be_ethtool.c b/drivers/net/benet/be_ethtool.c index 0c99314..07b4ab9 100644 --- a/drivers/net/benet/be_ethtool.c +++ b/drivers/net/benet/be_ethtool.c @@ -516,12 +516,23 @@ be_phys_id(struct net_device *netdev, u32 data) return status; } +static bool +be_is_wol_supported(struct be_adapter *adapter) +{ + if (!be_physfn(adapter)) + return false; + else + return true; +} + static void be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) { struct be_adapter *adapter = netdev_priv(netdev); - wol->supported = WAKE_MAGIC; + if (be_is_wol_supported(adapter)) + wol->supported = WAKE_MAGIC; + if (adapter->wol) wol->wolopts = WAKE_MAGIC; else @@ -537,7 +548,7 @@ be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) if (wol->wolopts & ~WAKE_MAGIC) return -EINVAL; - if (wol->wolopts & WAKE_MAGIC) + if ((wol->wolopts & WAKE_MAGIC) && be_is_wol_supported(adapter)) adapter->wol = true; else adapter->wol = false; diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c index 82b2df8..aad7ea3 100644 --- a/drivers/net/benet/be_main.c +++ b/drivers/net/benet/be_main.c @@ -236,12 +236,13 @@ static int be_mac_addr_set(struct net_device *netdev, void *p) if (!be_physfn(adapter)) goto netdev_addr; - status = be_cmd_pmac_del(adapter, adapter->if_handle, adapter->pmac_id); + status = be_cmd_pmac_del(adapter, adapter->if_handle, + adapter->pmac_id, 0); if (status) return status; status = be_cmd_pmac_add(adapter, (u8 *)addr->sa_data, - adapter->if_handle, &adapter->pmac_id); + adapter->if_handle, &adapter->pmac_id, 0); netdev_addr: if (!status) memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); @@ -741,11 +742,11 @@ static int be_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) if (adapter->vf_cfg[vf].vf_pmac_id != BE_INVALID_PMAC_ID) status = be_cmd_pmac_del(adapter, adapter->vf_cfg[vf].vf_if_handle, - adapter->vf_cfg[vf].vf_pmac_id); + adapter->vf_cfg[vf].vf_pmac_id, vf + 1); status = be_cmd_pmac_add(adapter, mac, adapter->vf_cfg[vf].vf_if_handle, - &adapter->vf_cfg[vf].vf_pmac_id); + &adapter->vf_cfg[vf].vf_pmac_id, vf + 1); if (status) dev_err(&adapter->pdev->dev, "MAC %pM set on VF %d Failed\n", @@ -820,7 +821,7 @@ static int be_set_vf_tx_rate(struct net_device *netdev, rate = 10000; adapter->vf_cfg[vf].vf_tx_rate = rate; - status = be_cmd_set_qos(adapter, rate / 10, vf); + status = be_cmd_set_qos(adapter, rate / 10, vf + 1); if (status) dev_info(&adapter->pdev->dev, @@ -1826,6 +1827,7 @@ void be_detect_dump_ue(struct be_adapter *adapter) if (ue_status_lo || ue_status_hi) { adapter->ue_detected = true; + adapter->eeh_err = true; dev_err(&adapter->pdev->dev, "UE Detected!!\n"); } @@ -1864,6 +1866,10 @@ static void be_worker(struct work_struct *work) struct be_mcc_obj *mcc_obj = &adapter->mcc_obj; be_cq_notify(adapter, mcc_obj->cq.id, false, mcc_compl); } + + if (!adapter->ue_detected && !lancer_chip(adapter)) + be_detect_dump_ue(adapter); + goto reschedule; } @@ -2225,7 +2231,8 @@ static inline int be_vf_eth_addr_config(struct be_adapter *adapter) for (vf = 0; vf < num_vfs; vf++) { status = be_cmd_pmac_add(adapter, mac, adapter->vf_cfg[vf].vf_if_handle, - &adapter->vf_cfg[vf].vf_pmac_id); + &adapter->vf_cfg[vf].vf_pmac_id, + vf + 1); if (status) dev_err(&adapter->pdev->dev, "Mac address add failed for VF %d\n", vf); @@ -2245,7 +2252,7 @@ static inline void be_vf_eth_addr_rem(struct be_adapter *adapter) if (adapter->vf_cfg[vf].vf_pmac_id != BE_INVALID_PMAC_ID) be_cmd_pmac_del(adapter, adapter->vf_cfg[vf].vf_if_handle, - adapter->vf_cfg[vf].vf_pmac_id); + adapter->vf_cfg[vf].vf_pmac_id, vf + 1); } } @@ -2277,22 +2284,26 @@ static int be_setup(struct be_adapter *adapter) goto do_none; if (be_physfn(adapter)) { - while (vf < num_vfs) { - cap_flags = en_flags = BE_IF_FLAGS_UNTAGGED - | BE_IF_FLAGS_BROADCAST; - status = be_cmd_if_create(adapter, cap_flags, en_flags, - mac, true, + if (adapter->sriov_enabled) { + while (vf < num_vfs) { + cap_flags = en_flags = BE_IF_FLAGS_UNTAGGED | + BE_IF_FLAGS_BROADCAST; + status = be_cmd_if_create(adapter, cap_flags, + en_flags, mac, true, &adapter->vf_cfg[vf].vf_if_handle, NULL, vf+1); - if (status) { - dev_err(&adapter->pdev->dev, - "Interface Create failed for VF %d\n", vf); - goto if_destroy; + if (status) { + dev_err(&adapter->pdev->dev, + "Interface Create failed for VF %d\n", + vf); + goto if_destroy; + } + adapter->vf_cfg[vf].vf_pmac_id = + BE_INVALID_PMAC_ID; + vf++; } - adapter->vf_cfg[vf].vf_pmac_id = BE_INVALID_PMAC_ID; - vf++; } - } else if (!be_physfn(adapter)) { + } else { status = be_cmd_mac_addr_query(adapter, mac, MAC_ADDRESS_TYPE_NETWORK, false, adapter->if_handle); if (!status) { @@ -2313,44 +2324,46 @@ static int be_setup(struct be_adapter *adapter) if (status != 0) goto rx_qs_destroy; - if (be_physfn(adapter)) { - status = be_vf_eth_addr_config(adapter); - if (status) - goto mcc_q_destroy; - } - adapter->link_speed = -1; return 0; -mcc_q_destroy: - if (be_physfn(adapter)) - be_vf_eth_addr_rem(adapter); be_mcc_queues_destroy(adapter); rx_qs_destroy: be_rx_queues_destroy(adapter); tx_qs_destroy: be_tx_queues_destroy(adapter); if_destroy: - for (vf = 0; vf < num_vfs; vf++) - if (adapter->vf_cfg[vf].vf_if_handle) - be_cmd_if_destroy(adapter, - adapter->vf_cfg[vf].vf_if_handle); - be_cmd_if_destroy(adapter, adapter->if_handle); + if (be_physfn(adapter) && adapter->sriov_enabled) + for (vf = 0; vf < num_vfs; vf++) + if (adapter->vf_cfg[vf].vf_if_handle) + be_cmd_if_destroy(adapter, + adapter->vf_cfg[vf].vf_if_handle, + vf + 1); + be_cmd_if_destroy(adapter, adapter->if_handle, 0); do_none: return status; } static int be_clear(struct be_adapter *adapter) { - if (be_physfn(adapter)) + int vf; + + if (be_physfn(adapter) && adapter->sriov_enabled) be_vf_eth_addr_rem(adapter); be_mcc_queues_destroy(adapter); be_rx_queues_destroy(adapter); be_tx_queues_destroy(adapter); - be_cmd_if_destroy(adapter, adapter->if_handle); + if (be_physfn(adapter) && adapter->sriov_enabled) + for (vf = 0; vf < num_vfs; vf++) + if (adapter->vf_cfg[vf].vf_if_handle) + be_cmd_if_destroy(adapter, + adapter->vf_cfg[vf].vf_if_handle, + vf + 1); + + be_cmd_if_destroy(adapter, adapter->if_handle, 0); /* tell fw we're done with firing cmds */ be_cmd_fw_clean(adapter); @@ -2453,8 +2466,8 @@ static int be_flash_data(struct be_adapter *adapter, continue; if ((pflashcomp[i].optype == IMG_TYPE_REDBOOT) && (!be_flash_redboot(adapter, fw->data, - pflashcomp[i].offset, pflashcomp[i].size, - filehdr_size))) + pflashcomp[i].offset, pflashcomp[i].size, filehdr_size + + (num_of_images * sizeof(struct image_hdr))))) continue; p = fw->data; p += filehdr_size + pflashcomp[i].offset @@ -2951,11 +2964,9 @@ static int __devinit be_probe(struct pci_dev *pdev, if (status) goto ctrl_clean; - if (be_physfn(adapter)) { - status = be_cmd_reset_function(adapter); - if (status) - goto ctrl_clean; - } + status = be_cmd_reset_function(adapter); + if (status) + goto ctrl_clean; status = be_stats_init(adapter); if (status) @@ -2979,10 +2990,18 @@ static int __devinit be_probe(struct pci_dev *pdev, goto unsetup; netif_carrier_off(netdev); + if (be_physfn(adapter) && adapter->sriov_enabled) { + status = be_vf_eth_addr_config(adapter); + if (status) + goto unreg_netdev; + } + dev_info(&pdev->dev, "%s port %d\n", nic_name(pdev), adapter->port_num); schedule_delayed_work(&adapter->work, msecs_to_jiffies(100)); return 0; +unreg_netdev: + unregister_netdev(netdev); unsetup: be_clear(adapter); msix_disable: @@ -3009,6 +3028,7 @@ static int be_suspend(struct pci_dev *pdev, pm_message_t state) struct be_adapter *adapter = pci_get_drvdata(pdev); struct net_device *netdev = adapter->netdev; + cancel_delayed_work_sync(&adapter->work); if (adapter->wol) be_setup_wol(adapter, true); @@ -3021,6 +3041,7 @@ static int be_suspend(struct pci_dev *pdev, pm_message_t state) be_cmd_get_flow_control(adapter, &adapter->tx_fc, &adapter->rx_fc); be_clear(adapter); + be_msix_disable(adapter); pci_save_state(pdev); pci_disable_device(pdev); pci_set_power_state(pdev, pci_choose_state(pdev, state)); @@ -3042,6 +3063,7 @@ static int be_resume(struct pci_dev *pdev) pci_set_power_state(pdev, 0); pci_restore_state(pdev); + be_msix_enable(adapter); /* tell fw we're ready to fire cmds */ status = be_cmd_fw_init(adapter); if (status) @@ -3057,6 +3079,8 @@ static int be_resume(struct pci_dev *pdev) if (adapter->wol) be_setup_wol(adapter, false); + + schedule_delayed_work(&adapter->work, msecs_to_jiffies(100)); return 0; } @@ -3068,6 +3092,9 @@ static void be_shutdown(struct pci_dev *pdev) struct be_adapter *adapter = pci_get_drvdata(pdev); struct net_device *netdev = adapter->netdev; + if (netif_running(netdev)) + cancel_delayed_work_sync(&adapter->work); + netif_device_detach(netdev); be_cmd_reset_function(adapter); diff --git a/drivers/net/bnx2x/bnx2x.h b/drivers/net/bnx2x/bnx2x.h index 236d79a..c0dd30d 100644 --- a/drivers/net/bnx2x/bnx2x.h +++ b/drivers/net/bnx2x/bnx2x.h @@ -1076,6 +1076,7 @@ struct bnx2x { int num_queues; int disable_tpa; int int_mode; + u32 *rx_indir_table; struct tstorm_eth_mac_filter_config mac_filters; #define BNX2X_ACCEPT_NONE 0x0000 @@ -1799,5 +1800,6 @@ static inline u32 reg_poll(struct bnx2x *bp, u32 reg, u32 expected, int ms, BNX2X_EXTERN int load_count[2][3]; /* per path: 0-common, 1-port0, 2-port1 */ extern void bnx2x_set_ethtool_ops(struct net_device *netdev); +void bnx2x_push_indir_table(struct bnx2x *bp); #endif /* bnx2x.h */ diff --git a/drivers/net/bnx2x/bnx2x_ethtool.c b/drivers/net/bnx2x/bnx2x_ethtool.c index 816fef6..8d19d12 100644 --- a/drivers/net/bnx2x/bnx2x_ethtool.c +++ b/drivers/net/bnx2x/bnx2x_ethtool.c @@ -2134,6 +2134,59 @@ static int bnx2x_phys_id(struct net_device *dev, u32 data) return 0; } +static int bnx2x_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, + void *rules __always_unused) +{ + struct bnx2x *bp = netdev_priv(dev); + + switch (info->cmd) { + case ETHTOOL_GRXRINGS: + info->data = BNX2X_NUM_ETH_QUEUES(bp); + return 0; + + default: + return -EOPNOTSUPP; + } +} + +static int bnx2x_get_rxfh_indir(struct net_device *dev, + struct ethtool_rxfh_indir *indir) +{ + struct bnx2x *bp = netdev_priv(dev); + size_t copy_size = + min_t(size_t, indir->size, TSTORM_INDIRECTION_TABLE_SIZE); + + if (bp->multi_mode == ETH_RSS_MODE_DISABLED) + return -EOPNOTSUPP; + + indir->size = TSTORM_INDIRECTION_TABLE_SIZE; + memcpy(indir->ring_index, bp->rx_indir_table, + copy_size * sizeof(bp->rx_indir_table[0])); + return 0; +} + +static int bnx2x_set_rxfh_indir(struct net_device *dev, + const struct ethtool_rxfh_indir *indir) +{ + struct bnx2x *bp = netdev_priv(dev); + size_t i; + + if (bp->multi_mode == ETH_RSS_MODE_DISABLED) + return -EOPNOTSUPP; + + /* Validate size and indices */ + if (indir->size != TSTORM_INDIRECTION_TABLE_SIZE) + return -EINVAL; + for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++) + if (indir->ring_index[i] >= BNX2X_NUM_ETH_QUEUES(bp)) + return -EINVAL; + + memcpy(bp->rx_indir_table, indir->ring_index, + indir->size * sizeof(bp->rx_indir_table[0])); + bnx2x_push_indir_table(bp); + return 0; +} + static const struct ethtool_ops bnx2x_ethtool_ops = { .get_settings = bnx2x_get_settings, .set_settings = bnx2x_set_settings, @@ -2170,6 +2223,9 @@ static const struct ethtool_ops bnx2x_ethtool_ops = { .get_strings = bnx2x_get_strings, .phys_id = bnx2x_phys_id, .get_ethtool_stats = bnx2x_get_ethtool_stats, + .get_rxnfc = bnx2x_get_rxnfc, + .get_rxfh_indir = bnx2x_get_rxfh_indir, + .set_rxfh_indir = bnx2x_set_rxfh_indir, }; void bnx2x_set_ethtool_ops(struct net_device *netdev) diff --git a/drivers/net/bnx2x/bnx2x_main.c b/drivers/net/bnx2x/bnx2x_main.c index c238c4d..6c7745e 100644 --- a/drivers/net/bnx2x/bnx2x_main.c +++ b/drivers/net/bnx2x/bnx2x_main.c @@ -4254,7 +4254,7 @@ static void bnx2x_init_eq_ring(struct bnx2x *bp) min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1); } -static void bnx2x_init_ind_table(struct bnx2x *bp) +void bnx2x_push_indir_table(struct bnx2x *bp) { int func = BP_FUNC(bp); int i; @@ -4262,13 +4262,20 @@ static void bnx2x_init_ind_table(struct bnx2x *bp) if (bp->multi_mode == ETH_RSS_MODE_DISABLED) return; - DP(NETIF_MSG_IFUP, - "Initializing indirection table multi_mode %d\n", bp->multi_mode); for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++) REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_INDIRECTION_TABLE_OFFSET(func) + i, - bp->fp->cl_id + (i % (bp->num_queues - - NONE_ETH_CONTEXT_USE))); + bp->fp->cl_id + bp->rx_indir_table[i]); +} + +static void bnx2x_init_ind_table(struct bnx2x *bp) +{ + int i; + + for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++) + bp->rx_indir_table[i] = i % BNX2X_NUM_ETH_QUEUES(bp); + + bnx2x_push_indir_table(bp); } void bnx2x_set_storm_rx_mode(struct bnx2x *bp) @@ -6016,6 +6023,8 @@ void bnx2x_free_mem(struct bnx2x *bp) BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping, BCM_PAGE_SIZE * NUM_EQ_PAGES); + BNX2X_FREE(bp->rx_indir_table); + #undef BNX2X_PCI_FREE #undef BNX2X_KFREE } @@ -6146,6 +6155,9 @@ int bnx2x_alloc_mem(struct bnx2x *bp) /* EQ */ BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping, BCM_PAGE_SIZE * NUM_EQ_PAGES); + + BNX2X_ALLOC(bp->rx_indir_table, sizeof(bp->rx_indir_table[0]) * + TSTORM_INDIRECTION_TABLE_SIZE); return 0; alloc_mem_err: diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 1df9f0e..77e3c6a 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1594,9 +1594,9 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) } } - res = netdev_set_master(slave_dev, bond_dev); + res = netdev_set_bond_master(slave_dev, bond_dev); if (res) { - pr_debug("Error %d calling netdev_set_master\n", res); + pr_debug("Error %d calling netdev_set_bond_master\n", res); goto err_restore_mac; } /* open the slave since the application closed it */ @@ -1812,7 +1812,7 @@ err_close: dev_close(slave_dev); err_unset_master: - netdev_set_master(slave_dev, NULL); + netdev_set_bond_master(slave_dev, NULL); err_restore_mac: if (!bond->params.fail_over_mac) { @@ -1992,7 +1992,7 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev) netif_addr_unlock_bh(bond_dev); } - netdev_set_master(slave_dev, NULL); + netdev_set_bond_master(slave_dev, NULL); #ifdef CONFIG_NET_POLL_CONTROLLER read_lock_bh(&bond->lock); @@ -2114,7 +2114,7 @@ static int bond_release_all(struct net_device *bond_dev) netif_addr_unlock_bh(bond_dev); } - netdev_set_master(slave_dev, NULL); + netdev_set_bond_master(slave_dev, NULL); /* close slave before restoring its mac address */ dev_close(slave_dev); @@ -4657,6 +4657,8 @@ static const struct net_device_ops bond_netdev_ops = { .ndo_netpoll_cleanup = bond_netpoll_cleanup, .ndo_poll_controller = bond_poll_controller, #endif + .ndo_add_slave = bond_enslave, + .ndo_del_slave = bond_release, }; static void bond_destructor(struct net_device *bond_dev) diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig index 5dec456..1d699e3 100644 --- a/drivers/net/can/Kconfig +++ b/drivers/net/can/Kconfig @@ -115,6 +115,8 @@ source "drivers/net/can/mscan/Kconfig" source "drivers/net/can/sja1000/Kconfig" +source "drivers/net/can/c_can/Kconfig" + source "drivers/net/can/usb/Kconfig" source "drivers/net/can/softing/Kconfig" diff --git a/drivers/net/can/Makefile b/drivers/net/can/Makefile index 53c82a7..24ebfe8 100644 --- a/drivers/net/can/Makefile +++ b/drivers/net/can/Makefile @@ -13,6 +13,7 @@ obj-y += softing/ obj-$(CONFIG_CAN_SJA1000) += sja1000/ obj-$(CONFIG_CAN_MSCAN) += mscan/ +obj-$(CONFIG_CAN_C_CAN) += c_can/ obj-$(CONFIG_CAN_AT91) += at91_can.o obj-$(CONFIG_CAN_TI_HECC) += ti_hecc.o obj-$(CONFIG_CAN_MCP251X) += mcp251x.o diff --git a/drivers/net/can/c_can/Kconfig b/drivers/net/can/c_can/Kconfig new file mode 100644 index 0000000..ffb9773 --- /dev/null +++ b/drivers/net/can/c_can/Kconfig @@ -0,0 +1,15 @@ +menuconfig CAN_C_CAN + tristate "Bosch C_CAN devices" + depends on CAN_DEV && HAS_IOMEM + +if CAN_C_CAN + +config CAN_C_CAN_PLATFORM + tristate "Generic Platform Bus based C_CAN driver" + ---help--- + This driver adds support for the C_CAN chips connected to + the "platform bus" (Linux abstraction for directly to the + processor attached devices) which can be found on various + boards from ST Microelectronics (http://www.st.com) + like the SPEAr1310 and SPEAr320 evaluation boards. +endif diff --git a/drivers/net/can/c_can/Makefile b/drivers/net/can/c_can/Makefile new file mode 100644 index 0000000..9273f6d --- /dev/null +++ b/drivers/net/can/c_can/Makefile @@ -0,0 +1,8 @@ +# +# Makefile for the Bosch C_CAN controller drivers. +# + +obj-$(CONFIG_CAN_C_CAN) += c_can.o +obj-$(CONFIG_CAN_C_CAN_PLATFORM) += c_can_platform.o + +ccflags-$(CONFIG_CAN_DEBUG_DEVICES) := -DDEBUG diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c new file mode 100644 index 0000000..14050786 --- /dev/null +++ b/drivers/net/can/c_can/c_can.c @@ -0,0 +1,1158 @@ +/* + * CAN bus driver for Bosch C_CAN controller + * + * Copyright (C) 2010 ST Microelectronics + * Bhupesh Sharma <bhupesh.sharma@st.com> + * + * Borrowed heavily from the C_CAN driver originally written by: + * Copyright (C) 2007 + * - Sascha Hauer, Marc Kleine-Budde, Pengutronix <s.hauer@pengutronix.de> + * - Simon Kallweit, intefo AG <simon.kallweit@intefo.ch> + * + * TX and RX NAPI implementation has been borrowed from at91 CAN driver + * written by: + * Copyright + * (C) 2007 by Hans J. Koch <hjk@hansjkoch.de> + * (C) 2008, 2009 by Marc Kleine-Budde <kernel@pengutronix.de> + * + * Bosch C_CAN controller is compliant to CAN protocol version 2.0 part A and B. + * Bosch C_CAN user manual can be obtained from: + * http://www.semiconductors.bosch.de/media/en/pdf/ipmodules_1/c_can/ + * users_manual_c_can.pdf + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/kernel.h> +#include <linux/version.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/netdevice.h> +#include <linux/if_arp.h> +#include <linux/if_ether.h> +#include <linux/list.h> +#include <linux/delay.h> +#include <linux/io.h> + +#include <linux/can.h> +#include <linux/can/dev.h> +#include <linux/can/error.h> + +#include "c_can.h" + +/* control register */ +#define CONTROL_TEST BIT(7) +#define CONTROL_CCE BIT(6) +#define CONTROL_DISABLE_AR BIT(5) +#define CONTROL_ENABLE_AR (0 << 5) +#define CONTROL_EIE BIT(3) +#define CONTROL_SIE BIT(2) +#define CONTROL_IE BIT(1) +#define CONTROL_INIT BIT(0) + +/* test register */ +#define TEST_RX BIT(7) +#define TEST_TX1 BIT(6) +#define TEST_TX2 BIT(5) +#define TEST_LBACK BIT(4) +#define TEST_SILENT BIT(3) +#define TEST_BASIC BIT(2) + +/* status register */ +#define STATUS_BOFF BIT(7) +#define STATUS_EWARN BIT(6) +#define STATUS_EPASS BIT(5) +#define STATUS_RXOK BIT(4) +#define STATUS_TXOK BIT(3) + +/* error counter register */ +#define ERR_CNT_TEC_MASK 0xff +#define ERR_CNT_TEC_SHIFT 0 +#define ERR_CNT_REC_SHIFT 8 +#define ERR_CNT_REC_MASK (0x7f << ERR_CNT_REC_SHIFT) +#define ERR_CNT_RP_SHIFT 15 +#define ERR_CNT_RP_MASK (0x1 << ERR_CNT_RP_SHIFT) + +/* bit-timing register */ +#define BTR_BRP_MASK 0x3f +#define BTR_BRP_SHIFT 0 +#define BTR_SJW_SHIFT 6 +#define BTR_SJW_MASK (0x3 << BTR_SJW_SHIFT) +#define BTR_TSEG1_SHIFT 8 +#define BTR_TSEG1_MASK (0xf << BTR_TSEG1_SHIFT) +#define BTR_TSEG2_SHIFT 12 +#define BTR_TSEG2_MASK (0x7 << BTR_TSEG2_SHIFT) + +/* brp extension register */ +#define BRP_EXT_BRPE_MASK 0x0f +#define BRP_EXT_BRPE_SHIFT 0 + +/* IFx command request */ +#define IF_COMR_BUSY BIT(15) + +/* IFx command mask */ +#define IF_COMM_WR BIT(7) +#define IF_COMM_MASK BIT(6) +#define IF_COMM_ARB BIT(5) +#define IF_COMM_CONTROL BIT(4) +#define IF_COMM_CLR_INT_PND BIT(3) +#define IF_COMM_TXRQST BIT(2) +#define IF_COMM_DATAA BIT(1) +#define IF_COMM_DATAB BIT(0) +#define IF_COMM_ALL (IF_COMM_MASK | IF_COMM_ARB | \ + IF_COMM_CONTROL | IF_COMM_TXRQST | \ + IF_COMM_DATAA | IF_COMM_DATAB) + +/* IFx arbitration */ +#define IF_ARB_MSGVAL BIT(15) +#define IF_ARB_MSGXTD BIT(14) +#define IF_ARB_TRANSMIT BIT(13) + +/* IFx message control */ +#define IF_MCONT_NEWDAT BIT(15) +#define IF_MCONT_MSGLST BIT(14) +#define IF_MCONT_CLR_MSGLST (0 << 14) +#define IF_MCONT_INTPND BIT(13) +#define IF_MCONT_UMASK BIT(12) +#define IF_MCONT_TXIE BIT(11) +#define IF_MCONT_RXIE BIT(10) +#define IF_MCONT_RMTEN BIT(9) +#define IF_MCONT_TXRQST BIT(8) +#define IF_MCONT_EOB BIT(7) +#define IF_MCONT_DLC_MASK 0xf + +/* + * IFx register masks: + * allow easy operation on 16-bit registers when the + * argument is 32-bit instead + */ +#define IFX_WRITE_LOW_16BIT(x) ((x) & 0xFFFF) +#define IFX_WRITE_HIGH_16BIT(x) (((x) & 0xFFFF0000) >> 16) + +/* message object split */ +#define C_CAN_NO_OF_OBJECTS 32 +#define C_CAN_MSG_OBJ_RX_NUM 16 +#define C_CAN_MSG_OBJ_TX_NUM 16 + +#define C_CAN_MSG_OBJ_RX_FIRST 1 +#define C_CAN_MSG_OBJ_RX_LAST (C_CAN_MSG_OBJ_RX_FIRST + \ + C_CAN_MSG_OBJ_RX_NUM - 1) + +#define C_CAN_MSG_OBJ_TX_FIRST (C_CAN_MSG_OBJ_RX_LAST + 1) +#define C_CAN_MSG_OBJ_TX_LAST (C_CAN_MSG_OBJ_TX_FIRST + \ + C_CAN_MSG_OBJ_TX_NUM - 1) + +#define C_CAN_MSG_OBJ_RX_SPLIT 9 +#define C_CAN_MSG_RX_LOW_LAST (C_CAN_MSG_OBJ_RX_SPLIT - 1) + +#define C_CAN_NEXT_MSG_OBJ_MASK (C_CAN_MSG_OBJ_TX_NUM - 1) +#define RECEIVE_OBJECT_BITS 0x0000ffff + +/* status interrupt */ +#define STATUS_INTERRUPT 0x8000 + +/* global interrupt masks */ +#define ENABLE_ALL_INTERRUPTS 1 +#define DISABLE_ALL_INTERRUPTS 0 + +/* minimum timeout for checking BUSY status */ +#define MIN_TIMEOUT_VALUE 6 + +/* napi related */ +#define C_CAN_NAPI_WEIGHT C_CAN_MSG_OBJ_RX_NUM + +/* c_can lec values */ +enum c_can_lec_type { + LEC_NO_ERROR = 0, + LEC_STUFF_ERROR, + LEC_FORM_ERROR, + LEC_ACK_ERROR, + LEC_BIT1_ERROR, + LEC_BIT0_ERROR, + LEC_CRC_ERROR, + LEC_UNUSED, +}; + +/* + * c_can error types: + * Bus errors (BUS_OFF, ERROR_WARNING, ERROR_PASSIVE) are supported + */ +enum c_can_bus_error_types { + C_CAN_NO_ERROR = 0, + C_CAN_BUS_OFF, + C_CAN_ERROR_WARNING, + C_CAN_ERROR_PASSIVE, +}; + +static struct can_bittiming_const c_can_bittiming_const = { + .name = KBUILD_MODNAME, + .tseg1_min = 2, /* Time segment 1 = prop_seg + phase_seg1 */ + .tseg1_max = 16, + .tseg2_min = 1, /* Time segment 2 = phase_seg2 */ + .tseg2_max = 8, + .sjw_max = 4, + .brp_min = 1, + .brp_max = 1024, /* 6-bit BRP field + 4-bit BRPE field*/ + .brp_inc = 1, +}; + +static inline int get_tx_next_msg_obj(const struct c_can_priv *priv) +{ + return (priv->tx_next & C_CAN_NEXT_MSG_OBJ_MASK) + + C_CAN_MSG_OBJ_TX_FIRST; +} + +static inline int get_tx_echo_msg_obj(const struct c_can_priv *priv) +{ + return (priv->tx_echo & C_CAN_NEXT_MSG_OBJ_MASK) + + C_CAN_MSG_OBJ_TX_FIRST; +} + +static u32 c_can_read_reg32(struct c_can_priv *priv, void *reg) +{ + u32 val = priv->read_reg(priv, reg); + val |= ((u32) priv->read_reg(priv, reg + 2)) << 16; + return val; +} + +static void c_can_enable_all_interrupts(struct c_can_priv *priv, + int enable) +{ + unsigned int cntrl_save = priv->read_reg(priv, + &priv->regs->control); + + if (enable) + cntrl_save |= (CONTROL_SIE | CONTROL_EIE | CONTROL_IE); + else + cntrl_save &= ~(CONTROL_EIE | CONTROL_IE | CONTROL_SIE); + + priv->write_reg(priv, &priv->regs->control, cntrl_save); +} + +static inline int c_can_msg_obj_is_busy(struct c_can_priv *priv, int iface) +{ + int count = MIN_TIMEOUT_VALUE; + + while (count && priv->read_reg(priv, + &priv->regs->ifregs[iface].com_req) & + IF_COMR_BUSY) { + count--; + udelay(1); + } + + if (!count) + return 1; + + return 0; +} + +static inline void c_can_object_get(struct net_device *dev, + int iface, int objno, int mask) +{ + struct c_can_priv *priv = netdev_priv(dev); + + /* + * As per specs, after writting the message object number in the + * IF command request register the transfer b/w interface + * register and message RAM must be complete in 6 CAN-CLK + * period. + */ + priv->write_reg(priv, &priv->regs->ifregs[iface].com_mask, + IFX_WRITE_LOW_16BIT(mask)); + priv->write_reg(priv, &priv->regs->ifregs[iface].com_req, + IFX_WRITE_LOW_16BIT(objno)); + + if (c_can_msg_obj_is_busy(priv, iface)) + netdev_err(dev, "timed out in object get\n"); +} + +static inline void c_can_object_put(struct net_device *dev, + int iface, int objno, int mask) +{ + struct c_can_priv *priv = netdev_priv(dev); + + /* + * As per specs, after writting the message object number in the + * IF command request register the transfer b/w interface + * register and message RAM must be complete in 6 CAN-CLK + * period. + */ + priv->write_reg(priv, &priv->regs->ifregs[iface].com_mask, + (IF_COMM_WR | IFX_WRITE_LOW_16BIT(mask))); + priv->write_reg(priv, &priv->regs->ifregs[iface].com_req, + IFX_WRITE_LOW_16BIT(objno)); + + if (c_can_msg_obj_is_busy(priv, iface)) + netdev_err(dev, "timed out in object put\n"); +} + +static void c_can_write_msg_object(struct net_device *dev, + int iface, struct can_frame *frame, int objno) +{ + int i; + u16 flags = 0; + unsigned int id; + struct c_can_priv *priv = netdev_priv(dev); + + if (!(frame->can_id & CAN_RTR_FLAG)) + flags |= IF_ARB_TRANSMIT; + + if (frame->can_id & CAN_EFF_FLAG) { + id = frame->can_id & CAN_EFF_MASK; + flags |= IF_ARB_MSGXTD; + } else + id = ((frame->can_id & CAN_SFF_MASK) << 18); + + flags |= IF_ARB_MSGVAL; + + priv->write_reg(priv, &priv->regs->ifregs[iface].arb1, + IFX_WRITE_LOW_16BIT(id)); + priv->write_reg(priv, &priv->regs->ifregs[iface].arb2, flags | + IFX_WRITE_HIGH_16BIT(id)); + + for (i = 0; i < frame->can_dlc; i += 2) { + priv->write_reg(priv, &priv->regs->ifregs[iface].data[i / 2], + frame->data[i] | (frame->data[i + 1] << 8)); + } + + /* enable interrupt for this message object */ + priv->write_reg(priv, &priv->regs->ifregs[iface].msg_cntrl, + IF_MCONT_TXIE | IF_MCONT_TXRQST | IF_MCONT_EOB | + frame->can_dlc); + c_can_object_put(dev, iface, objno, IF_COMM_ALL); +} + +static inline void c_can_mark_rx_msg_obj(struct net_device *dev, + int iface, int ctrl_mask, + int obj) +{ + struct c_can_priv *priv = netdev_priv(dev); + + priv->write_reg(priv, &priv->regs->ifregs[iface].msg_cntrl, + ctrl_mask & ~(IF_MCONT_MSGLST | IF_MCONT_INTPND)); + c_can_object_put(dev, iface, obj, IF_COMM_CONTROL); + +} + +static inline void c_can_activate_all_lower_rx_msg_obj(struct net_device *dev, + int iface, + int ctrl_mask) +{ + int i; + struct c_can_priv *priv = netdev_priv(dev); + + for (i = C_CAN_MSG_OBJ_RX_FIRST; i <= C_CAN_MSG_RX_LOW_LAST; i++) { + priv->write_reg(priv, &priv->regs->ifregs[iface].msg_cntrl, + ctrl_mask & ~(IF_MCONT_MSGLST | + IF_MCONT_INTPND | IF_MCONT_NEWDAT)); + c_can_object_put(dev, iface, i, IF_COMM_CONTROL); + } +} + +static inline void c_can_activate_rx_msg_obj(struct net_device *dev, + int iface, int ctrl_mask, + int obj) +{ + struct c_can_priv *priv = netdev_priv(dev); + + priv->write_reg(priv, &priv->regs->ifregs[iface].msg_cntrl, + ctrl_mask & ~(IF_MCONT_MSGLST | + IF_MCONT_INTPND | IF_MCONT_NEWDAT)); + c_can_object_put(dev, iface, obj, IF_COMM_CONTROL); +} + +static void c_can_handle_lost_msg_obj(struct net_device *dev, + int iface, int objno) +{ + struct c_can_priv *priv = netdev_priv(dev); + struct net_device_stats *stats = &dev->stats; + struct sk_buff *skb; + struct can_frame *frame; + + netdev_err(dev, "msg lost in buffer %d\n", objno); + + c_can_object_get(dev, iface, objno, IF_COMM_ALL & ~IF_COMM_TXRQST); + + priv->write_reg(priv, &priv->regs->ifregs[iface].msg_cntrl, + IF_MCONT_CLR_MSGLST); + + c_can_object_put(dev, 0, objno, IF_COMM_CONTROL); + + /* create an error msg */ + skb = alloc_can_err_skb(dev, &frame); + if (unlikely(!skb)) + return; + + frame->can_id |= CAN_ERR_CRTL; + frame->data[1] = CAN_ERR_CRTL_RX_OVERFLOW; + stats->rx_errors++; + stats->rx_over_errors++; + + netif_receive_skb(skb); +} + +static int c_can_read_msg_object(struct net_device *dev, int iface, int ctrl) +{ + u16 flags, data; + int i; + unsigned int val; + struct c_can_priv *priv = netdev_priv(dev); + struct net_device_stats *stats = &dev->stats; + struct sk_buff *skb; + struct can_frame *frame; + + skb = alloc_can_skb(dev, &frame); + if (!skb) { + stats->rx_dropped++; + return -ENOMEM; + } + + frame->can_dlc = get_can_dlc(ctrl & 0x0F); + + flags = priv->read_reg(priv, &priv->regs->ifregs[iface].arb2); + val = priv->read_reg(priv, &priv->regs->ifregs[iface].arb1) | + (flags << 16); + + if (flags & IF_ARB_MSGXTD) + frame->can_id = (val & CAN_EFF_MASK) | CAN_EFF_FLAG; + else + frame->can_id = (val >> 18) & CAN_SFF_MASK; + + if (flags & IF_ARB_TRANSMIT) + frame->can_id |= CAN_RTR_FLAG; + else { + for (i = 0; i < frame->can_dlc; i += 2) { + data = priv->read_reg(priv, + &priv->regs->ifregs[iface].data[i / 2]); + frame->data[i] = data; + frame->data[i + 1] = data >> 8; + } + } + + netif_receive_skb(skb); + + stats->rx_packets++; + stats->rx_bytes += frame->can_dlc; + + return 0; +} + +static void c_can_setup_receive_object(struct net_device *dev, int iface, + int objno, unsigned int mask, + unsigned int id, unsigned int mcont) +{ + struct c_can_priv *priv = netdev_priv(dev); + + priv->write_reg(priv, &priv->regs->ifregs[iface].mask1, + IFX_WRITE_LOW_16BIT(mask)); + priv->write_reg(priv, &priv->regs->ifregs[iface].mask2, + IFX_WRITE_HIGH_16BIT(mask)); + + priv->write_reg(priv, &priv->regs->ifregs[iface].arb1, + IFX_WRITE_LOW_16BIT(id)); + priv->write_reg(priv, &priv->regs->ifregs[iface].arb2, + (IF_ARB_MSGVAL | IFX_WRITE_HIGH_16BIT(id))); + + priv->write_reg(priv, &priv->regs->ifregs[iface].msg_cntrl, mcont); + c_can_object_put(dev, iface, objno, IF_COMM_ALL & ~IF_COMM_TXRQST); + + netdev_dbg(dev, "obj no:%d, msgval:0x%08x\n", objno, + c_can_read_reg32(priv, &priv->regs->msgval1)); +} + +static void c_can_inval_msg_object(struct net_device *dev, int iface, int objno) +{ + struct c_can_priv *priv = netdev_priv(dev); + + priv->write_reg(priv, &priv->regs->ifregs[iface].arb1, 0); + priv->write_reg(priv, &priv->regs->ifregs[iface].arb2, 0); + priv->write_reg(priv, &priv->regs->ifregs[iface].msg_cntrl, 0); + + c_can_object_put(dev, iface, objno, IF_COMM_ARB | IF_COMM_CONTROL); + + netdev_dbg(dev, "obj no:%d, msgval:0x%08x\n", objno, + c_can_read_reg32(priv, &priv->regs->msgval1)); +} + +static inline int c_can_is_next_tx_obj_busy(struct c_can_priv *priv, int objno) +{ + int val = c_can_read_reg32(priv, &priv->regs->txrqst1); + + /* + * as transmission request register's bit n-1 corresponds to + * message object n, we need to handle the same properly. + */ + if (val & (1 << (objno - 1))) + return 1; + + return 0; +} + +static netdev_tx_t c_can_start_xmit(struct sk_buff *skb, + struct net_device *dev) +{ + u32 msg_obj_no; + struct c_can_priv *priv = netdev_priv(dev); + struct can_frame *frame = (struct can_frame *)skb->data; + + if (can_dropped_invalid_skb(dev, skb)) + return NETDEV_TX_OK; + + msg_obj_no = get_tx_next_msg_obj(priv); + + /* prepare message object for transmission */ + c_can_write_msg_object(dev, 0, frame, msg_obj_no); + can_put_echo_skb(skb, dev, msg_obj_no - C_CAN_MSG_OBJ_TX_FIRST); + + /* + * we have to stop the queue in case of a wrap around or + * if the next TX message object is still in use + */ + priv->tx_next++; + if (c_can_is_next_tx_obj_busy(priv, get_tx_next_msg_obj(priv)) || + (priv->tx_next & C_CAN_NEXT_MSG_OBJ_MASK) == 0) + netif_stop_queue(dev); + + return NETDEV_TX_OK; +} + +static int c_can_set_bittiming(struct net_device *dev) +{ + unsigned int reg_btr, reg_brpe, ctrl_save; + u8 brp, brpe, sjw, tseg1, tseg2; + u32 ten_bit_brp; + struct c_can_priv *priv = netdev_priv(dev); + const struct can_bittiming *bt = &priv->can.bittiming; + + /* c_can provides a 6-bit brp and 4-bit brpe fields */ + ten_bit_brp = bt->brp - 1; + brp = ten_bit_brp & BTR_BRP_MASK; + brpe = ten_bit_brp >> 6; + + sjw = bt->sjw - 1; + tseg1 = bt->prop_seg + bt->phase_seg1 - 1; + tseg2 = bt->phase_seg2 - 1; + reg_btr = brp | (sjw << BTR_SJW_SHIFT) | (tseg1 << BTR_TSEG1_SHIFT) | + (tseg2 << BTR_TSEG2_SHIFT); + reg_brpe = brpe & BRP_EXT_BRPE_MASK; + + netdev_info(dev, + "setting BTR=%04x BRPE=%04x\n", reg_btr, reg_brpe); + + ctrl_save = priv->read_reg(priv, &priv->regs->control); + priv->write_reg(priv, &priv->regs->control, + ctrl_save | CONTROL_CCE | CONTROL_INIT); + priv->write_reg(priv, &priv->regs->btr, reg_btr); + priv->write_reg(priv, &priv->regs->brp_ext, reg_brpe); + priv->write_reg(priv, &priv->regs->control, ctrl_save); + + return 0; +} + +/* + * Configure C_CAN message objects for Tx and Rx purposes: + * C_CAN provides a total of 32 message objects that can be configured + * either for Tx or Rx purposes. Here the first 16 message objects are used as + * a reception FIFO. The end of reception FIFO is signified by the EoB bit + * being SET. The remaining 16 message objects are kept aside for Tx purposes. + * See user guide document for further details on configuring message + * objects. + */ +static void c_can_configure_msg_objects(struct net_device *dev) +{ + int i; + + /* first invalidate all message objects */ + for (i = C_CAN_MSG_OBJ_RX_FIRST; i <= C_CAN_NO_OF_OBJECTS; i++) + c_can_inval_msg_object(dev, 0, i); + + /* setup receive message objects */ + for (i = C_CAN_MSG_OBJ_RX_FIRST; i < C_CAN_MSG_OBJ_RX_LAST; i++) + c_can_setup_receive_object(dev, 0, i, 0, 0, + (IF_MCONT_RXIE | IF_MCONT_UMASK) & ~IF_MCONT_EOB); + + c_can_setup_receive_object(dev, 0, C_CAN_MSG_OBJ_RX_LAST, 0, 0, + IF_MCONT_EOB | IF_MCONT_RXIE | IF_MCONT_UMASK); +} + +/* + * Configure C_CAN chip: + * - enable/disable auto-retransmission + * - set operating mode + * - configure message objects + */ +static void c_can_chip_config(struct net_device *dev) +{ + struct c_can_priv *priv = netdev_priv(dev); + + if (priv->can.ctrlmode & CAN_CTRLMODE_ONE_SHOT) + /* disable automatic retransmission */ + priv->write_reg(priv, &priv->regs->control, + CONTROL_DISABLE_AR); + else + /* enable automatic retransmission */ + priv->write_reg(priv, &priv->regs->control, + CONTROL_ENABLE_AR); + + if (priv->can.ctrlmode & (CAN_CTRLMODE_LISTENONLY & + CAN_CTRLMODE_LOOPBACK)) { + /* loopback + silent mode : useful for hot self-test */ + priv->write_reg(priv, &priv->regs->control, CONTROL_EIE | + CONTROL_SIE | CONTROL_IE | CONTROL_TEST); + priv->write_reg(priv, &priv->regs->test, + TEST_LBACK | TEST_SILENT); + } else if (priv->can.ctrlmode & CAN_CTRLMODE_LOOPBACK) { + /* loopback mode : useful for self-test function */ + priv->write_reg(priv, &priv->regs->control, CONTROL_EIE | + CONTROL_SIE | CONTROL_IE | CONTROL_TEST); + priv->write_reg(priv, &priv->regs->test, TEST_LBACK); + } else if (priv->can.ctrlmode & CAN_CTRLMODE_LISTENONLY) { + /* silent mode : bus-monitoring mode */ + priv->write_reg(priv, &priv->regs->control, CONTROL_EIE | + CONTROL_SIE | CONTROL_IE | CONTROL_TEST); + priv->write_reg(priv, &priv->regs->test, TEST_SILENT); + } else + /* normal mode*/ + priv->write_reg(priv, &priv->regs->control, + CONTROL_EIE | CONTROL_SIE | CONTROL_IE); + + /* configure message objects */ + c_can_configure_msg_objects(dev); + + /* set a `lec` value so that we can check for updates later */ + priv->write_reg(priv, &priv->regs->status, LEC_UNUSED); + + /* set bittiming params */ + c_can_set_bittiming(dev); +} + +static void c_can_start(struct net_device *dev) +{ + struct c_can_priv *priv = netdev_priv(dev); + + /* enable status change, error and module interrupts */ + c_can_enable_all_interrupts(priv, ENABLE_ALL_INTERRUPTS); + + /* basic c_can configuration */ + c_can_chip_config(dev); + + priv->can.state = CAN_STATE_ERROR_ACTIVE; + + /* reset tx helper pointers */ + priv->tx_next = priv->tx_echo = 0; +} + +static void c_can_stop(struct net_device *dev) +{ + struct c_can_priv *priv = netdev_priv(dev); + + /* disable all interrupts */ + c_can_enable_all_interrupts(priv, DISABLE_ALL_INTERRUPTS); + + /* set the state as STOPPED */ + priv->can.state = CAN_STATE_STOPPED; +} + +static int c_can_set_mode(struct net_device *dev, enum can_mode mode) +{ + switch (mode) { + case CAN_MODE_START: + c_can_start(dev); + netif_wake_queue(dev); + break; + default: + return -EOPNOTSUPP; + } + + return 0; +} + +static int c_can_get_berr_counter(const struct net_device *dev, + struct can_berr_counter *bec) +{ + unsigned int reg_err_counter; + struct c_can_priv *priv = netdev_priv(dev); + + reg_err_counter = priv->read_reg(priv, &priv->regs->err_cnt); + bec->rxerr = (reg_err_counter & ERR_CNT_REC_MASK) >> + ERR_CNT_REC_SHIFT; + bec->txerr = reg_err_counter & ERR_CNT_TEC_MASK; + + return 0; +} + +/* + * theory of operation: + * + * priv->tx_echo holds the number of the oldest can_frame put for + * transmission into the hardware, but not yet ACKed by the CAN tx + * complete IRQ. + * + * We iterate from priv->tx_echo to priv->tx_next and check if the + * packet has been transmitted, echo it back to the CAN framework. + * If we discover a not yet transmitted package, stop looking for more. + */ +static void c_can_do_tx(struct net_device *dev) +{ + u32 val; + u32 msg_obj_no; + struct c_can_priv *priv = netdev_priv(dev); + struct net_device_stats *stats = &dev->stats; + + for (/* nix */; (priv->tx_next - priv->tx_echo) > 0; priv->tx_echo++) { + msg_obj_no = get_tx_echo_msg_obj(priv); + c_can_inval_msg_object(dev, 0, msg_obj_no); + val = c_can_read_reg32(priv, &priv->regs->txrqst1); + if (!(val & (1 << msg_obj_no))) { + can_get_echo_skb(dev, + msg_obj_no - C_CAN_MSG_OBJ_TX_FIRST); + stats->tx_bytes += priv->read_reg(priv, + &priv->regs->ifregs[0].msg_cntrl) + & IF_MCONT_DLC_MASK; + stats->tx_packets++; + } + } + + /* restart queue if wrap-up or if queue stalled on last pkt */ + if (((priv->tx_next & C_CAN_NEXT_MSG_OBJ_MASK) != 0) || + ((priv->tx_echo & C_CAN_NEXT_MSG_OBJ_MASK) == 0)) + netif_wake_queue(dev); +} + +/* + * theory of operation: + * + * c_can core saves a received CAN message into the first free message + * object it finds free (starting with the lowest). Bits NEWDAT and + * INTPND are set for this message object indicating that a new message + * has arrived. To work-around this issue, we keep two groups of message + * objects whose partitioning is defined by C_CAN_MSG_OBJ_RX_SPLIT. + * + * To ensure in-order frame reception we use the following + * approach while re-activating a message object to receive further + * frames: + * - if the current message object number is lower than + * C_CAN_MSG_RX_LOW_LAST, do not clear the NEWDAT bit while clearing + * the INTPND bit. + * - if the current message object number is equal to + * C_CAN_MSG_RX_LOW_LAST then clear the NEWDAT bit of all lower + * receive message objects. + * - if the current message object number is greater than + * C_CAN_MSG_RX_LOW_LAST then clear the NEWDAT bit of + * only this message object. + */ +static int c_can_do_rx_poll(struct net_device *dev, int quota) +{ + u32 num_rx_pkts = 0; + unsigned int msg_obj, msg_ctrl_save; + struct c_can_priv *priv = netdev_priv(dev); + u32 val = c_can_read_reg32(priv, &priv->regs->intpnd1); + + for (msg_obj = C_CAN_MSG_OBJ_RX_FIRST; + msg_obj <= C_CAN_MSG_OBJ_RX_LAST && quota > 0; + val = c_can_read_reg32(priv, &priv->regs->intpnd1), + msg_obj++) { + /* + * as interrupt pending register's bit n-1 corresponds to + * message object n, we need to handle the same properly. + */ + if (val & (1 << (msg_obj - 1))) { + c_can_object_get(dev, 0, msg_obj, IF_COMM_ALL & + ~IF_COMM_TXRQST); + msg_ctrl_save = priv->read_reg(priv, + &priv->regs->ifregs[0].msg_cntrl); + + if (msg_ctrl_save & IF_MCONT_EOB) + return num_rx_pkts; + + if (msg_ctrl_save & IF_MCONT_MSGLST) { + c_can_handle_lost_msg_obj(dev, 0, msg_obj); + num_rx_pkts++; + quota--; + continue; + } + + if (!(msg_ctrl_save & IF_MCONT_NEWDAT)) + continue; + + /* read the data from the message object */ + c_can_read_msg_object(dev, 0, msg_ctrl_save); + + if (msg_obj < C_CAN_MSG_RX_LOW_LAST) + c_can_mark_rx_msg_obj(dev, 0, + msg_ctrl_save, msg_obj); + else if (msg_obj > C_CAN_MSG_RX_LOW_LAST) + /* activate this msg obj */ + c_can_activate_rx_msg_obj(dev, 0, + msg_ctrl_save, msg_obj); + else if (msg_obj == C_CAN_MSG_RX_LOW_LAST) + /* activate all lower message objects */ + c_can_activate_all_lower_rx_msg_obj(dev, + 0, msg_ctrl_save); + + num_rx_pkts++; + quota--; + } + } + + return num_rx_pkts; +} + +static inline int c_can_has_and_handle_berr(struct c_can_priv *priv) +{ + return (priv->can.ctrlmode & CAN_CTRLMODE_BERR_REPORTING) && + (priv->current_status & LEC_UNUSED); +} + +static int c_can_handle_state_change(struct net_device *dev, + enum c_can_bus_error_types error_type) +{ + unsigned int reg_err_counter; + unsigned int rx_err_passive; + struct c_can_priv *priv = netdev_priv(dev); + struct net_device_stats *stats = &dev->stats; + struct can_frame *cf; + struct sk_buff *skb; + struct can_berr_counter bec; + + /* propogate the error condition to the CAN stack */ + skb = alloc_can_err_skb(dev, &cf); + if (unlikely(!skb)) + return 0; + + c_can_get_berr_counter(dev, &bec); + reg_err_counter = priv->read_reg(priv, &priv->regs->err_cnt); + rx_err_passive = (reg_err_counter & ERR_CNT_RP_MASK) >> + ERR_CNT_RP_SHIFT; + + switch (error_type) { + case C_CAN_ERROR_WARNING: + /* error warning state */ + priv->can.can_stats.error_warning++; + priv->can.state = CAN_STATE_ERROR_WARNING; + cf->can_id |= CAN_ERR_CRTL; + cf->data[1] = (bec.txerr > bec.rxerr) ? + CAN_ERR_CRTL_TX_WARNING : + CAN_ERR_CRTL_RX_WARNING; + cf->data[6] = bec.txerr; + cf->data[7] = bec.rxerr; + + break; + case C_CAN_ERROR_PASSIVE: + /* error passive state */ + priv->can.can_stats.error_passive++; + priv->can.state = CAN_STATE_ERROR_PASSIVE; + cf->can_id |= CAN_ERR_CRTL; + if (rx_err_passive) + cf->data[1] |= CAN_ERR_CRTL_RX_PASSIVE; + if (bec.txerr > 127) + cf->data[1] |= CAN_ERR_CRTL_TX_PASSIVE; + + cf->data[6] = bec.txerr; + cf->data[7] = bec.rxerr; + break; + case C_CAN_BUS_OFF: + /* bus-off state */ + priv->can.state = CAN_STATE_BUS_OFF; + cf->can_id |= CAN_ERR_BUSOFF; + /* + * disable all interrupts in bus-off mode to ensure that + * the CPU is not hogged down + */ + c_can_enable_all_interrupts(priv, DISABLE_ALL_INTERRUPTS); + can_bus_off(dev); + break; + default: + break; + } + + netif_receive_skb(skb); + stats->rx_packets++; + stats->rx_bytes += cf->can_dlc; + + return 1; +} + +static int c_can_handle_bus_err(struct net_device *dev, + enum c_can_lec_type lec_type) +{ + struct c_can_priv *priv = netdev_priv(dev); + struct net_device_stats *stats = &dev->stats; + struct can_frame *cf; + struct sk_buff *skb; + + /* + * early exit if no lec update or no error. + * no lec update means that no CAN bus event has been detected + * since CPU wrote 0x7 value to status reg. + */ + if (lec_type == LEC_UNUSED || lec_type == LEC_NO_ERROR) + return 0; + + /* propogate the error condition to the CAN stack */ + skb = alloc_can_err_skb(dev, &cf); + if (unlikely(!skb)) + return 0; + + /* + * check for 'last error code' which tells us the + * type of the last error to occur on the CAN bus + */ + + /* common for all type of bus errors */ + priv->can.can_stats.bus_error++; + stats->rx_errors++; + cf->can_id |= CAN_ERR_PROT | CAN_ERR_BUSERROR; + cf->data[2] |= CAN_ERR_PROT_UNSPEC; + + switch (lec_type) { + case LEC_STUFF_ERROR: + netdev_dbg(dev, "stuff error\n"); + cf->data[2] |= CAN_ERR_PROT_STUFF; + break; + case LEC_FORM_ERROR: + netdev_dbg(dev, "form error\n"); + cf->data[2] |= CAN_ERR_PROT_FORM; + break; + case LEC_ACK_ERROR: + netdev_dbg(dev, "ack error\n"); + cf->data[2] |= (CAN_ERR_PROT_LOC_ACK | + CAN_ERR_PROT_LOC_ACK_DEL); + break; + case LEC_BIT1_ERROR: + netdev_dbg(dev, "bit1 error\n"); + cf->data[2] |= CAN_ERR_PROT_BIT1; + break; + case LEC_BIT0_ERROR: + netdev_dbg(dev, "bit0 error\n"); + cf->data[2] |= CAN_ERR_PROT_BIT0; + break; + case LEC_CRC_ERROR: + netdev_dbg(dev, "CRC error\n"); + cf->data[2] |= (CAN_ERR_PROT_LOC_CRC_SEQ | + CAN_ERR_PROT_LOC_CRC_DEL); + break; + default: + break; + } + + /* set a `lec` value so that we can check for updates later */ + priv->write_reg(priv, &priv->regs->status, LEC_UNUSED); + + netif_receive_skb(skb); + stats->rx_packets++; + stats->rx_bytes += cf->can_dlc; + + return 1; +} + +static int c_can_poll(struct napi_struct *napi, int quota) +{ + u16 irqstatus; + int lec_type = 0; + int work_done = 0; + struct net_device *dev = napi->dev; + struct c_can_priv *priv = netdev_priv(dev); + + irqstatus = priv->read_reg(priv, &priv->regs->interrupt); + if (!irqstatus) + goto end; + + /* status events have the highest priority */ + if (irqstatus == STATUS_INTERRUPT) { + priv->current_status = priv->read_reg(priv, + &priv->regs->status); + + /* handle Tx/Rx events */ + if (priv->current_status & STATUS_TXOK) + priv->write_reg(priv, &priv->regs->status, + priv->current_status & ~STATUS_TXOK); + + if (priv->current_status & STATUS_RXOK) + priv->write_reg(priv, &priv->regs->status, + priv->current_status & ~STATUS_RXOK); + + /* handle state changes */ + if ((priv->current_status & STATUS_EWARN) && + (!(priv->last_status & STATUS_EWARN))) { + netdev_dbg(dev, "entered error warning state\n"); + work_done += c_can_handle_state_change(dev, + C_CAN_ERROR_WARNING); + } + if ((priv->current_status & STATUS_EPASS) && + (!(priv->last_status & STATUS_EPASS))) { + netdev_dbg(dev, "entered error passive state\n"); + work_done += c_can_handle_state_change(dev, + C_CAN_ERROR_PASSIVE); + } + if ((priv->current_status & STATUS_BOFF) && + (!(priv->last_status & STATUS_BOFF))) { + netdev_dbg(dev, "entered bus off state\n"); + work_done += c_can_handle_state_change(dev, + C_CAN_BUS_OFF); + } + + /* handle bus recovery events */ + if ((!(priv->current_status & STATUS_BOFF)) && + (priv->last_status & STATUS_BOFF)) { + netdev_dbg(dev, "left bus off state\n"); + priv->can.state = CAN_STATE_ERROR_ACTIVE; + } + if ((!(priv->current_status & STATUS_EPASS)) && + (priv->last_status & STATUS_EPASS)) { + netdev_dbg(dev, "left error passive state\n"); + priv->can.state = CAN_STATE_ERROR_ACTIVE; + } + + priv->last_status = priv->current_status; + + /* handle lec errors on the bus */ + lec_type = c_can_has_and_handle_berr(priv); + if (lec_type) + work_done += c_can_handle_bus_err(dev, lec_type); + } else if ((irqstatus >= C_CAN_MSG_OBJ_RX_FIRST) && + (irqstatus <= C_CAN_MSG_OBJ_RX_LAST)) { + /* handle events corresponding to receive message objects */ + work_done += c_can_do_rx_poll(dev, (quota - work_done)); + } else if ((irqstatus >= C_CAN_MSG_OBJ_TX_FIRST) && + (irqstatus <= C_CAN_MSG_OBJ_TX_LAST)) { + /* handle events corresponding to transmit message objects */ + c_can_do_tx(dev); + } + +end: + if (work_done < quota) { + napi_complete(napi); + /* enable all IRQs */ + c_can_enable_all_interrupts(priv, ENABLE_ALL_INTERRUPTS); + } + + return work_done; +} + +static irqreturn_t c_can_isr(int irq, void *dev_id) +{ + u16 irqstatus; + struct net_device *dev = (struct net_device *)dev_id; + struct c_can_priv *priv = netdev_priv(dev); + + irqstatus = priv->read_reg(priv, &priv->regs->interrupt); + if (!irqstatus) + return IRQ_NONE; + + /* disable all interrupts and schedule the NAPI */ + c_can_enable_all_interrupts(priv, DISABLE_ALL_INTERRUPTS); + napi_schedule(&priv->napi); + + return IRQ_HANDLED; +} + +static int c_can_open(struct net_device *dev) +{ + int err; + struct c_can_priv *priv = netdev_priv(dev); + + /* open the can device */ + err = open_candev(dev); + if (err) { + netdev_err(dev, "failed to open can device\n"); + return err; + } + + /* register interrupt handler */ + err = request_irq(dev->irq, &c_can_isr, IRQF_SHARED, dev->name, + dev); + if (err < 0) { + netdev_err(dev, "failed to request interrupt\n"); + goto exit_irq_fail; + } + + /* start the c_can controller */ + c_can_start(dev); + + napi_enable(&priv->napi); + netif_start_queue(dev); + + return 0; + +exit_irq_fail: + close_candev(dev); + return err; +} + +static int c_can_close(struct net_device *dev) +{ + struct c_can_priv *priv = netdev_priv(dev); + + netif_stop_queue(dev); + napi_disable(&priv->napi); + c_can_stop(dev); + free_irq(dev->irq, dev); + close_candev(dev); + + return 0; +} + +struct net_device *alloc_c_can_dev(void) +{ + struct net_device *dev; + struct c_can_priv *priv; + + dev = alloc_candev(sizeof(struct c_can_priv), C_CAN_MSG_OBJ_TX_NUM); + if (!dev) + return NULL; + + priv = netdev_priv(dev); + netif_napi_add(dev, &priv->napi, c_can_poll, C_CAN_NAPI_WEIGHT); + + priv->dev = dev; + priv->can.bittiming_const = &c_can_bittiming_const; + priv->can.do_set_mode = c_can_set_mode; + priv->can.do_get_berr_counter = c_can_get_berr_counter; + priv->can.ctrlmode_supported = CAN_CTRLMODE_ONE_SHOT | + CAN_CTRLMODE_LOOPBACK | + CAN_CTRLMODE_LISTENONLY | + CAN_CTRLMODE_BERR_REPORTING; + + return dev; +} +EXPORT_SYMBOL_GPL(alloc_c_can_dev); + +void free_c_can_dev(struct net_device *dev) +{ + free_candev(dev); +} +EXPORT_SYMBOL_GPL(free_c_can_dev); + +static const struct net_device_ops c_can_netdev_ops = { + .ndo_open = c_can_open, + .ndo_stop = c_can_close, + .ndo_start_xmit = c_can_start_xmit, +}; + +int register_c_can_dev(struct net_device *dev) +{ + dev->flags |= IFF_ECHO; /* we support local echo */ + dev->netdev_ops = &c_can_netdev_ops; + + return register_candev(dev); +} +EXPORT_SYMBOL_GPL(register_c_can_dev); + +void unregister_c_can_dev(struct net_device *dev) +{ + struct c_can_priv *priv = netdev_priv(dev); + + /* disable all interrupts */ + c_can_enable_all_interrupts(priv, DISABLE_ALL_INTERRUPTS); + + unregister_candev(dev); +} +EXPORT_SYMBOL_GPL(unregister_c_can_dev); + +MODULE_AUTHOR("Bhupesh Sharma <bhupesh.sharma@st.com>"); +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("CAN bus driver for Bosch C_CAN controller"); diff --git a/drivers/net/can/c_can/c_can.h b/drivers/net/can/c_can/c_can.h new file mode 100644 index 0000000..9b7fbef --- /dev/null +++ b/drivers/net/can/c_can/c_can.h @@ -0,0 +1,86 @@ +/* + * CAN bus driver for Bosch C_CAN controller + * + * Copyright (C) 2010 ST Microelectronics + * Bhupesh Sharma <bhupesh.sharma@st.com> + * + * Borrowed heavily from the C_CAN driver originally written by: + * Copyright (C) 2007 + * - Sascha Hauer, Marc Kleine-Budde, Pengutronix <s.hauer@pengutronix.de> + * - Simon Kallweit, intefo AG <simon.kallweit@intefo.ch> + * + * Bosch C_CAN controller is compliant to CAN protocol version 2.0 part A and B. + * Bosch C_CAN user manual can be obtained from: + * http://www.semiconductors.bosch.de/media/en/pdf/ipmodules_1/c_can/ + * users_manual_c_can.pdf + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#ifndef C_CAN_H +#define C_CAN_H + +/* c_can IF registers */ +struct c_can_if_regs { + u16 com_req; + u16 com_mask; + u16 mask1; + u16 mask2; + u16 arb1; + u16 arb2; + u16 msg_cntrl; + u16 data[4]; + u16 _reserved[13]; +}; + +/* c_can hardware registers */ +struct c_can_regs { + u16 control; + u16 status; + u16 err_cnt; + u16 btr; + u16 interrupt; + u16 test; + u16 brp_ext; + u16 _reserved1; + struct c_can_if_regs ifregs[2]; /* [0] = IF1 and [1] = IF2 */ + u16 _reserved2[8]; + u16 txrqst1; + u16 txrqst2; + u16 _reserved3[6]; + u16 newdat1; + u16 newdat2; + u16 _reserved4[6]; + u16 intpnd1; + u16 intpnd2; + u16 _reserved5[6]; + u16 msgval1; + u16 msgval2; + u16 _reserved6[6]; +}; + +/* c_can private data structure */ +struct c_can_priv { + struct can_priv can; /* must be the first member */ + struct napi_struct napi; + struct net_device *dev; + int tx_object; + int current_status; + int last_status; + u16 (*read_reg) (struct c_can_priv *priv, void *reg); + void (*write_reg) (struct c_can_priv *priv, void *reg, u16 val); + struct c_can_regs __iomem *regs; + unsigned long irq_flags; /* for request_irq() */ + unsigned int tx_next; + unsigned int tx_echo; + void *priv; /* for board-specific data */ +}; + +struct net_device *alloc_c_can_dev(void); +void free_c_can_dev(struct net_device *dev); +int register_c_can_dev(struct net_device *dev); +void unregister_c_can_dev(struct net_device *dev); + +#endif /* C_CAN_H */ diff --git a/drivers/net/can/c_can/c_can_platform.c b/drivers/net/can/c_can/c_can_platform.c new file mode 100644 index 0000000..e629b96 --- /dev/null +++ b/drivers/net/can/c_can/c_can_platform.c @@ -0,0 +1,215 @@ +/* + * Platform CAN bus driver for Bosch C_CAN controller + * + * Copyright (C) 2010 ST Microelectronics + * Bhupesh Sharma <bhupesh.sharma@st.com> + * + * Borrowed heavily from the C_CAN driver originally written by: + * Copyright (C) 2007 + * - Sascha Hauer, Marc Kleine-Budde, Pengutronix <s.hauer@pengutronix.de> + * - Simon Kallweit, intefo AG <simon.kallweit@intefo.ch> + * + * Bosch C_CAN controller is compliant to CAN protocol version 2.0 part A and B. + * Bosch C_CAN user manual can be obtained from: + * http://www.semiconductors.bosch.de/media/en/pdf/ipmodules_1/c_can/ + * users_manual_c_can.pdf + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/kernel.h> +#include <linux/version.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/netdevice.h> +#include <linux/if_arp.h> +#include <linux/if_ether.h> +#include <linux/list.h> +#include <linux/delay.h> +#include <linux/io.h> +#include <linux/platform_device.h> +#include <linux/clk.h> + +#include <linux/can/dev.h> + +#include "c_can.h" + +/* + * 16-bit c_can registers can be arranged differently in the memory + * architecture of different implementations. For example: 16-bit + * registers can be aligned to a 16-bit boundary or 32-bit boundary etc. + * Handle the same by providing a common read/write interface. + */ +static u16 c_can_plat_read_reg_aligned_to_16bit(struct c_can_priv *priv, + void *reg) +{ + return readw(reg); +} + +static void c_can_plat_write_reg_aligned_to_16bit(struct c_can_priv *priv, + void *reg, u16 val) +{ + writew(val, reg); +} + +static u16 c_can_plat_read_reg_aligned_to_32bit(struct c_can_priv *priv, + void *reg) +{ + return readw(reg + (long)reg - (long)priv->regs); +} + +static void c_can_plat_write_reg_aligned_to_32bit(struct c_can_priv *priv, + void *reg, u16 val) +{ + writew(val, reg + (long)reg - (long)priv->regs); +} + +static int __devinit c_can_plat_probe(struct platform_device *pdev) +{ + int ret; + void __iomem *addr; + struct net_device *dev; + struct c_can_priv *priv; + struct resource *mem, *irq; +#ifdef CONFIG_HAVE_CLK + struct clk *clk; + + /* get the appropriate clk */ + clk = clk_get(&pdev->dev, NULL); + if (IS_ERR(clk)) { + dev_err(&pdev->dev, "no clock defined\n"); + ret = -ENODEV; + goto exit; + } +#endif + + /* get the platform data */ + mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); + if (!mem || (irq <= 0)) { + ret = -ENODEV; + goto exit_free_clk; + } + + if (!request_mem_region(mem->start, resource_size(mem), + KBUILD_MODNAME)) { + dev_err(&pdev->dev, "resource unavailable\n"); + ret = -ENODEV; + goto exit_free_clk; + } + + addr = ioremap(mem->start, resource_size(mem)); + if (!addr) { + dev_err(&pdev->dev, "failed to map can port\n"); + ret = -ENOMEM; + goto exit_release_mem; + } + + /* allocate the c_can device */ + dev = alloc_c_can_dev(); + if (!dev) { + ret = -ENOMEM; + goto exit_iounmap; + } + + priv = netdev_priv(dev); + + dev->irq = irq->start; + priv->regs = addr; +#ifdef CONFIG_HAVE_CLK + priv->can.clock.freq = clk_get_rate(clk); + priv->priv = clk; +#endif + + switch (mem->flags & IORESOURCE_MEM_TYPE_MASK) { + case IORESOURCE_MEM_32BIT: + priv->read_reg = c_can_plat_read_reg_aligned_to_32bit; + priv->write_reg = c_can_plat_write_reg_aligned_to_32bit; + break; + case IORESOURCE_MEM_16BIT: + default: + priv->read_reg = c_can_plat_read_reg_aligned_to_16bit; + priv->write_reg = c_can_plat_write_reg_aligned_to_16bit; + break; + } + + platform_set_drvdata(pdev, dev); + SET_NETDEV_DEV(dev, &pdev->dev); + + ret = register_c_can_dev(dev); + if (ret) { + dev_err(&pdev->dev, "registering %s failed (err=%d)\n", + KBUILD_MODNAME, ret); + goto exit_free_device; + } + + dev_info(&pdev->dev, "%s device registered (regs=%p, irq=%d)\n", + KBUILD_MODNAME, priv->regs, dev->irq); + return 0; + +exit_free_device: + platform_set_drvdata(pdev, NULL); + free_c_can_dev(dev); +exit_iounmap: + iounmap(addr); +exit_release_mem: + release_mem_region(mem->start, resource_size(mem)); +exit_free_clk: +#ifdef CONFIG_HAVE_CLK + clk_put(clk); +exit: +#endif + dev_err(&pdev->dev, "probe failed\n"); + + return ret; +} + +static int __devexit c_can_plat_remove(struct platform_device *pdev) +{ + struct net_device *dev = platform_get_drvdata(pdev); + struct c_can_priv *priv = netdev_priv(dev); + struct resource *mem; + + unregister_c_can_dev(dev); + platform_set_drvdata(pdev, NULL); + + free_c_can_dev(dev); + iounmap(priv->regs); + + mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + release_mem_region(mem->start, resource_size(mem)); + +#ifdef CONFIG_HAVE_CLK + clk_put(priv->priv); +#endif + + return 0; +} + +static struct platform_driver c_can_plat_driver = { + .driver = { + .name = KBUILD_MODNAME, + .owner = THIS_MODULE, + }, + .probe = c_can_plat_probe, + .remove = __devexit_p(c_can_plat_remove), +}; + +static int __init c_can_plat_init(void) +{ + return platform_driver_register(&c_can_plat_driver); +} +module_init(c_can_plat_init); + +static void __exit c_can_plat_exit(void) +{ + platform_driver_unregister(&c_can_plat_driver); +} +module_exit(c_can_plat_exit); + +MODULE_AUTHOR("Bhupesh Sharma <bhupesh.sharma@st.com>"); +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("Platform CAN bus driver for Bosch C_CAN controller"); diff --git a/drivers/net/can/mcp251x.c b/drivers/net/can/mcp251x.c index 7ab534a..7513c45 100644 --- a/drivers/net/can/mcp251x.c +++ b/drivers/net/can/mcp251x.c @@ -940,7 +940,7 @@ static int mcp251x_open(struct net_device *net) goto open_unlock; } - priv->wq = create_freezeable_workqueue("mcp251x_wq"); + priv->wq = create_freezable_workqueue("mcp251x_wq"); INIT_WORK(&priv->tx_work, mcp251x_tx_work_handler); INIT_WORK(&priv->restart_work, mcp251x_restart_work_handler); diff --git a/drivers/net/can/mscan/Kconfig b/drivers/net/can/mscan/Kconfig index 27d1d39..d387069 100644 --- a/drivers/net/can/mscan/Kconfig +++ b/drivers/net/can/mscan/Kconfig @@ -1,5 +1,5 @@ config CAN_MSCAN - depends on CAN_DEV && (PPC || M68K || M68KNOMMU) + depends on CAN_DEV && (PPC || M68K) tristate "Support for Freescale MSCAN based chips" ---help--- The Motorola Scalable Controller Area Network (MSCAN) definition diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c index 7d8bc12..e54712b 100644 --- a/drivers/net/can/pch_can.c +++ b/drivers/net/can/pch_can.c @@ -185,9 +185,9 @@ struct pch_can_priv { static struct can_bittiming_const pch_can_bittiming_const = { .name = KBUILD_MODNAME, - .tseg1_min = 1, + .tseg1_min = 2, .tseg1_max = 16, - .tseg2_min = 2, + .tseg2_min = 1, .tseg2_max = 8, .sjw_max = 4, .brp_min = 1, diff --git a/drivers/net/can/softing/Kconfig b/drivers/net/can/softing/Kconfig index 8ba81b3..5de46a9 100644 --- a/drivers/net/can/softing/Kconfig +++ b/drivers/net/can/softing/Kconfig @@ -18,7 +18,7 @@ config CAN_SOFTING config CAN_SOFTING_CS tristate "Softing Gmbh CAN pcmcia cards" depends on PCMCIA - select CAN_SOFTING + depends on CAN_SOFTING ---help--- Support for PCMCIA cards from Softing Gmbh & some cards from Vector Gmbh. diff --git a/drivers/net/can/softing/softing_cs.c b/drivers/net/can/softing/softing_cs.c index 300fe75..c11bb4d 100644 --- a/drivers/net/can/softing/softing_cs.c +++ b/drivers/net/can/softing/softing_cs.c @@ -19,6 +19,7 @@ #include <linux/module.h> #include <linux/kernel.h> +#include <linux/slab.h> #include <pcmcia/cistpl.h> #include <pcmcia/ds.h> diff --git a/drivers/net/cxgb3/cxgb3_offload.c b/drivers/net/cxgb3/cxgb3_offload.c index 7ea94b5..862804f 100644 --- a/drivers/net/cxgb3/cxgb3_offload.c +++ b/drivers/net/cxgb3/cxgb3_offload.c @@ -186,9 +186,10 @@ static struct net_device *get_iff_from_mac(struct adapter *adapter, dev = NULL; if (grp) dev = vlan_group_get_device(grp, vlan); - } else + } else if (netif_is_bond_slave(dev)) { while (dev->master) dev = dev->master; + } return dev; } } diff --git a/drivers/net/cxgb4vf/cxgb4vf_main.c b/drivers/net/cxgb4vf/cxgb4vf_main.c index 56166ae..6aad64d 100644 --- a/drivers/net/cxgb4vf/cxgb4vf_main.c +++ b/drivers/net/cxgb4vf/cxgb4vf_main.c @@ -2040,7 +2040,7 @@ static int __devinit setup_debugfs(struct adapter *adapter) { int i; - BUG_ON(adapter->debugfs_root == NULL); + BUG_ON(IS_ERR_OR_NULL(adapter->debugfs_root)); /* * Debugfs support is best effort. @@ -2061,7 +2061,7 @@ static int __devinit setup_debugfs(struct adapter *adapter) */ static void cleanup_debugfs(struct adapter *adapter) { - BUG_ON(adapter->debugfs_root == NULL); + BUG_ON(IS_ERR_OR_NULL(adapter->debugfs_root)); /* * Unlike our sister routine cleanup_proc(), we don't need to remove @@ -2489,17 +2489,6 @@ static int __devinit cxgb4vf_pci_probe(struct pci_dev *pdev, struct net_device *netdev; /* - * Vet our module parameters. - */ - if (msi != MSI_MSIX && msi != MSI_MSI) { - dev_err(&pdev->dev, "bad module parameter msi=%d; must be %d" - " (MSI-X or MSI) or %d (MSI)\n", msi, MSI_MSIX, - MSI_MSI); - err = -EINVAL; - goto err_out; - } - - /* * Print our driver banner the first time we're called to initialize a * device. */ @@ -2711,11 +2700,11 @@ static int __devinit cxgb4vf_pci_probe(struct pci_dev *pdev, /* * Set up our debugfs entries. */ - if (cxgb4vf_debugfs_root) { + if (!IS_ERR_OR_NULL(cxgb4vf_debugfs_root)) { adapter->debugfs_root = debugfs_create_dir(pci_name(pdev), cxgb4vf_debugfs_root); - if (adapter->debugfs_root == NULL) + if (IS_ERR_OR_NULL(adapter->debugfs_root)) dev_warn(&pdev->dev, "could not create debugfs" " directory"); else @@ -2770,7 +2759,7 @@ static int __devinit cxgb4vf_pci_probe(struct pci_dev *pdev, */ err_free_debugfs: - if (adapter->debugfs_root) { + if (!IS_ERR_OR_NULL(adapter->debugfs_root)) { cleanup_debugfs(adapter); debugfs_remove_recursive(adapter->debugfs_root); } @@ -2802,7 +2791,6 @@ err_release_regions: err_disable_device: pci_disable_device(pdev); -err_out: return err; } @@ -2840,7 +2828,7 @@ static void __devexit cxgb4vf_pci_remove(struct pci_dev *pdev) /* * Tear down our debugfs entries. */ - if (adapter->debugfs_root) { + if (!IS_ERR_OR_NULL(adapter->debugfs_root)) { cleanup_debugfs(adapter); debugfs_remove_recursive(adapter->debugfs_root); } @@ -2874,6 +2862,46 @@ static void __devexit cxgb4vf_pci_remove(struct pci_dev *pdev) } /* + * "Shutdown" quiesce the device, stopping Ingress Packet and Interrupt + * delivery. + */ +static void __devexit cxgb4vf_pci_shutdown(struct pci_dev *pdev) +{ + struct adapter *adapter; + int pidx; + + adapter = pci_get_drvdata(pdev); + if (!adapter) + return; + + /* + * Disable all Virtual Interfaces. This will shut down the + * delivery of all ingress packets into the chip for these + * Virtual Interfaces. + */ + for_each_port(adapter, pidx) { + struct net_device *netdev; + struct port_info *pi; + + if (!test_bit(pidx, &adapter->registered_device_map)) + continue; + + netdev = adapter->port[pidx]; + if (!netdev) + continue; + + pi = netdev_priv(netdev); + t4vf_enable_vi(adapter, pi->viid, false, false); + } + + /* + * Free up all Queues which will prevent further DMA and + * Interrupts allowing various internal pathways to drain. + */ + t4vf_free_sge_resources(adapter); +} + +/* * PCI Device registration data structures. */ #define CH_DEVICE(devid, idx) \ @@ -2906,6 +2934,7 @@ static struct pci_driver cxgb4vf_driver = { .id_table = cxgb4vf_pci_tbl, .probe = cxgb4vf_pci_probe, .remove = __devexit_p(cxgb4vf_pci_remove), + .shutdown = __devexit_p(cxgb4vf_pci_shutdown), }; /* @@ -2915,14 +2944,25 @@ static int __init cxgb4vf_module_init(void) { int ret; + /* + * Vet our module parameters. + */ + if (msi != MSI_MSIX && msi != MSI_MSI) { + printk(KERN_WARNING KBUILD_MODNAME + ": bad module parameter msi=%d; must be %d" + " (MSI-X or MSI) or %d (MSI)\n", + msi, MSI_MSIX, MSI_MSI); + return -EINVAL; + } + /* Debugfs support is optional, just warn if this fails */ cxgb4vf_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL); - if (!cxgb4vf_debugfs_root) + if (IS_ERR_OR_NULL(cxgb4vf_debugfs_root)) printk(KERN_WARNING KBUILD_MODNAME ": could not create" " debugfs entry, continuing\n"); ret = pci_register_driver(&cxgb4vf_driver); - if (ret < 0) + if (ret < 0 && !IS_ERR_OR_NULL(cxgb4vf_debugfs_root)) debugfs_remove(cxgb4vf_debugfs_root); return ret; } diff --git a/drivers/net/cxgb4vf/t4vf_hw.c b/drivers/net/cxgb4vf/t4vf_hw.c index 0f51c80..192db22 100644 --- a/drivers/net/cxgb4vf/t4vf_hw.c +++ b/drivers/net/cxgb4vf/t4vf_hw.c @@ -171,7 +171,7 @@ int t4vf_wr_mbox_core(struct adapter *adapter, const void *cmd, int size, delay_idx = 0; ms = delay[0]; - for (i = 0; i < 500; i += ms) { + for (i = 0; i < FW_CMD_MAX_TIMEOUT; i += ms) { if (sleep_ok) { ms = delay[delay_idx]; if (delay_idx < ARRAY_SIZE(delay) - 1) diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c index daa7fe4..65ef9b5 100644 --- a/drivers/net/e1000e/ethtool.c +++ b/drivers/net/e1000e/ethtool.c @@ -1963,8 +1963,15 @@ static int e1000_set_coalesce(struct net_device *netdev, static int e1000_nway_reset(struct net_device *netdev) { struct e1000_adapter *adapter = netdev_priv(netdev); - if (netif_running(netdev)) - e1000e_reinit_locked(adapter); + + if (!netif_running(netdev)) + return -EAGAIN; + + if (!adapter->hw.mac.autoneg) + return -EINVAL; + + e1000e_reinit_locked(adapter); + return 0; } @@ -2006,7 +2013,7 @@ static void e1000_get_strings(struct net_device *netdev, u32 stringset, switch (stringset) { case ETH_SS_TEST: - memcpy(data, *e1000_gstrings_test, sizeof(e1000_gstrings_test)); + memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test)); break; case ETH_SS_STATS: for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index 6025d5f..ec0b803 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -935,6 +935,9 @@ static void e1000_print_hw_hang(struct work_struct *work) u16 phy_status, phy_1000t_status, phy_ext_status; u16 pci_status; + if (test_bit(__E1000_DOWN, &adapter->state)) + return; + e1e_rphy(hw, PHY_STATUS, &phy_status); e1e_rphy(hw, PHY_1000T_STATUS, &phy_1000t_status); e1e_rphy(hw, PHY_EXT_STATUS, &phy_ext_status); @@ -1498,6 +1501,9 @@ static void e1000e_downshift_workaround(struct work_struct *work) struct e1000_adapter *adapter = container_of(work, struct e1000_adapter, downshift_task); + if (test_bit(__E1000_DOWN, &adapter->state)) + return; + e1000e_gig_downshift_workaround_ich8lan(&adapter->hw); } @@ -1843,7 +1849,9 @@ static int e1000_request_msix(struct e1000_adapter *adapter) int err = 0, vector = 0; if (strlen(netdev->name) < (IFNAMSIZ - 5)) - sprintf(adapter->rx_ring->name, "%s-rx-0", netdev->name); + snprintf(adapter->rx_ring->name, + sizeof(adapter->rx_ring->name) - 1, + "%s-rx-0", netdev->name); else memcpy(adapter->rx_ring->name, netdev->name, IFNAMSIZ); err = request_irq(adapter->msix_entries[vector].vector, @@ -1856,7 +1864,9 @@ static int e1000_request_msix(struct e1000_adapter *adapter) vector++; if (strlen(netdev->name) < (IFNAMSIZ - 5)) - sprintf(adapter->tx_ring->name, "%s-tx-0", netdev->name); + snprintf(adapter->tx_ring->name, + sizeof(adapter->tx_ring->name) - 1, + "%s-tx-0", netdev->name); else memcpy(adapter->tx_ring->name, netdev->name, IFNAMSIZ); err = request_irq(adapter->msix_entries[vector].vector, @@ -3331,6 +3341,21 @@ int e1000e_up(struct e1000_adapter *adapter) return 0; } +static void e1000e_flush_descriptors(struct e1000_adapter *adapter) +{ + struct e1000_hw *hw = &adapter->hw; + + if (!(adapter->flags2 & FLAG2_DMA_BURST)) + return; + + /* flush pending descriptor writebacks to memory */ + ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD); + ew32(RDTR, adapter->rx_int_delay | E1000_RDTR_FPD); + + /* execute the writes immediately */ + e1e_flush(); +} + static void e1000e_update_stats(struct e1000_adapter *adapter); void e1000e_down(struct e1000_adapter *adapter) @@ -3377,6 +3402,9 @@ void e1000e_down(struct e1000_adapter *adapter) if (!pci_channel_offline(adapter->pdev)) e1000e_reset(adapter); + + e1000e_flush_descriptors(adapter); + e1000_clean_tx_ring(adapter); e1000_clean_rx_ring(adapter); @@ -3767,6 +3795,10 @@ static void e1000e_update_phy_task(struct work_struct *work) { struct e1000_adapter *adapter = container_of(work, struct e1000_adapter, update_phy_task); + + if (test_bit(__E1000_DOWN, &adapter->state)) + return; + e1000_get_phy_info(&adapter->hw); } @@ -3777,6 +3809,10 @@ static void e1000e_update_phy_task(struct work_struct *work) static void e1000_update_phy_info(unsigned long data) { struct e1000_adapter *adapter = (struct e1000_adapter *) data; + + if (test_bit(__E1000_DOWN, &adapter->state)) + return; + schedule_work(&adapter->update_phy_task); } @@ -4151,6 +4187,9 @@ static void e1000_watchdog_task(struct work_struct *work) struct e1000_hw *hw = &adapter->hw; u32 link, tctl; + if (test_bit(__E1000_DOWN, &adapter->state)) + return; + link = e1000e_has_link(adapter); if ((netif_carrier_ok(netdev)) && link) { /* Cancel scheduled suspend requests. */ @@ -4338,19 +4377,12 @@ link_up: else ew32(ICS, E1000_ICS_RXDMT0); + /* flush pending descriptors to memory before detecting Tx hang */ + e1000e_flush_descriptors(adapter); + /* Force detection of hung controller every watchdog period */ adapter->detect_tx_hung = 1; - /* flush partial descriptors to memory before detecting Tx hang */ - if (adapter->flags2 & FLAG2_DMA_BURST) { - ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD); - ew32(RDTR, adapter->rx_int_delay | E1000_RDTR_FPD); - /* - * no need to flush the writes because the timeout code does - * an er32 first thing - */ - } - /* * With 82571 controllers, LAA may be overwritten due to controller * reset from the other port. Set the appropriate LAA in RAR[0] @@ -4888,6 +4920,10 @@ static void e1000_reset_task(struct work_struct *work) struct e1000_adapter *adapter; adapter = container_of(work, struct e1000_adapter, reset_task); + /* don't run the task if already down */ + if (test_bit(__E1000_DOWN, &adapter->state)) + return; + if (!((adapter->flags & FLAG_RX_NEEDS_RESTART) && (adapter->flags & FLAG_RX_RESTART_NOW))) { e1000e_dump(adapter); diff --git a/drivers/net/enic/enic.h b/drivers/net/enic/enic.h index 57fcaee..aee5256 100644 --- a/drivers/net/enic/enic.h +++ b/drivers/net/enic/enic.h @@ -32,13 +32,13 @@ #define DRV_NAME "enic" #define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Driver" -#define DRV_VERSION "2.1.1.6" +#define DRV_VERSION "2.1.1.9" #define DRV_COPYRIGHT "Copyright 2008-2011 Cisco Systems, Inc" #define ENIC_BARS_MAX 6 -#define ENIC_WQ_MAX 8 -#define ENIC_RQ_MAX 8 +#define ENIC_WQ_MAX 1 +#define ENIC_RQ_MAX 1 #define ENIC_CQ_MAX (ENIC_WQ_MAX + ENIC_RQ_MAX) #define ENIC_INTR_MAX (ENIC_CQ_MAX + 2) diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c index 0c24370..4f1710e 100644 --- a/drivers/net/enic/enic_main.c +++ b/drivers/net/enic/enic_main.c @@ -874,9 +874,10 @@ static struct net_device_stats *enic_get_stats(struct net_device *netdev) return net_stats; } -static void enic_reset_multicast_list(struct enic *enic) +static void enic_reset_addr_lists(struct enic *enic) { enic->mc_count = 0; + enic->uc_count = 0; enic->flags = 0; } @@ -941,7 +942,7 @@ static int enic_set_mac_address(struct net_device *netdev, void *p) return enic_dev_add_station_addr(enic); } -static void enic_add_multicast_addr_list(struct enic *enic) +static void enic_update_multicast_addr_list(struct enic *enic) { struct net_device *netdev = enic->netdev; struct netdev_hw_addr *ha; @@ -996,7 +997,7 @@ static void enic_add_multicast_addr_list(struct enic *enic) enic->mc_count = mc_count; } -static void enic_add_unicast_addr_list(struct enic *enic) +static void enic_update_unicast_addr_list(struct enic *enic) { struct net_device *netdev = enic->netdev; struct netdev_hw_addr *ha; @@ -1073,9 +1074,9 @@ static void enic_set_rx_mode(struct net_device *netdev) } if (!promisc) { - enic_add_unicast_addr_list(enic); + enic_update_unicast_addr_list(enic); if (!allmulti) - enic_add_multicast_addr_list(enic); + enic_update_multicast_addr_list(enic); } } @@ -2067,7 +2068,7 @@ static void enic_reset(struct work_struct *work) enic_dev_hang_notify(enic); enic_stop(enic->netdev); enic_dev_hang_reset(enic); - enic_reset_multicast_list(enic); + enic_reset_addr_lists(enic); enic_init_vnic_resources(enic); enic_set_rss_nic_cfg(enic); enic_dev_set_ig_vlan_rewrite_mode(enic); @@ -2079,7 +2080,7 @@ static void enic_reset(struct work_struct *work) static int enic_set_intr_mode(struct enic *enic) { unsigned int n = min_t(unsigned int, enic->rq_count, ENIC_RQ_MAX); - unsigned int m = 1; + unsigned int m = min_t(unsigned int, enic->wq_count, ENIC_WQ_MAX); unsigned int i; /* Set interrupt mode (INTx, MSI, MSI-X) depending @@ -2222,9 +2223,7 @@ static const struct net_device_ops enic_netdev_dynamic_ops = { .ndo_tx_timeout = enic_tx_timeout, .ndo_set_vf_port = enic_set_vf_port, .ndo_get_vf_port = enic_get_vf_port, -#ifdef IFLA_VF_MAX .ndo_set_vf_mac = enic_set_vf_mac, -#endif #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = enic_poll_controller, #endif diff --git a/drivers/net/fec.c b/drivers/net/fec.c index 2a71373..634c0da 100644 --- a/drivers/net/fec.c +++ b/drivers/net/fec.c @@ -54,7 +54,7 @@ #include "fec.h" -#if defined(CONFIG_ARCH_MXC) || defined(CONFIG_SOC_IMX28) +#if defined(CONFIG_ARM) #define FEC_ALIGNMENT 0xf #else #define FEC_ALIGNMENT 0x3 @@ -147,8 +147,7 @@ MODULE_PARM_DESC(macaddr, "FEC Ethernet MAC address"); * account when setting it. */ #if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \ - defined(CONFIG_M520x) || defined(CONFIG_M532x) || \ - defined(CONFIG_ARCH_MXC) || defined(CONFIG_SOC_IMX28) + defined(CONFIG_M520x) || defined(CONFIG_M532x) || defined(CONFIG_ARM) #define OPT_FRAME_SIZE (PKT_MAXBUF_SIZE << 16) #else #define OPT_FRAME_SIZE 0 @@ -183,7 +182,7 @@ struct fec_enet_private { struct bufdesc *rx_bd_base; struct bufdesc *tx_bd_base; /* The next free ring entry */ - struct bufdesc *cur_rx, *cur_tx; + struct bufdesc *cur_rx, *cur_tx; /* The ring entries to be free()ed */ struct bufdesc *dirty_tx; @@ -191,28 +190,21 @@ struct fec_enet_private { /* hold while accessing the HW like ringbuffer for tx/rx but not MAC */ spinlock_t hw_lock; - struct platform_device *pdev; + struct platform_device *pdev; int opened; /* Phylib and MDIO interface */ - struct mii_bus *mii_bus; - struct phy_device *phy_dev; - int mii_timeout; - uint phy_speed; + struct mii_bus *mii_bus; + struct phy_device *phy_dev; + int mii_timeout; + uint phy_speed; phy_interface_t phy_interface; int link; int full_duplex; struct completion mdio_done; }; -static irqreturn_t fec_enet_interrupt(int irq, void * dev_id); -static void fec_enet_tx(struct net_device *dev); -static void fec_enet_rx(struct net_device *dev); -static int fec_enet_close(struct net_device *dev); -static void fec_restart(struct net_device *dev, int duplex); -static void fec_stop(struct net_device *dev); - /* FEC MII MMFR bits definition */ #define FEC_MMFR_ST (1 << 30) #define FEC_MMFR_OP_READ (2 << 28) @@ -239,9 +231,9 @@ static void *swap_buffer(void *bufaddr, int len) } static netdev_tx_t -fec_enet_start_xmit(struct sk_buff *skb, struct net_device *dev) +fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev) { - struct fec_enet_private *fep = netdev_priv(dev); + struct fec_enet_private *fep = netdev_priv(ndev); const struct platform_device_id *id_entry = platform_get_device_id(fep->pdev); struct bufdesc *bdp; @@ -262,9 +254,9 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *dev) if (status & BD_ENET_TX_READY) { /* Ooops. All transmit buffers are full. Bail out. - * This should not happen, since dev->tbusy should be set. + * This should not happen, since ndev->tbusy should be set. */ - printk("%s: tx queue full!.\n", dev->name); + printk("%s: tx queue full!.\n", ndev->name); spin_unlock_irqrestore(&fep->hw_lock, flags); return NETDEV_TX_BUSY; } @@ -284,7 +276,7 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *dev) if (((unsigned long) bufaddr) & FEC_ALIGNMENT) { unsigned int index; index = bdp - fep->tx_bd_base; - memcpy(fep->tx_bounce[index], (void *)skb->data, skb->len); + memcpy(fep->tx_bounce[index], skb->data, skb->len); bufaddr = fep->tx_bounce[index]; } @@ -299,13 +291,13 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *dev) /* Save skb pointer */ fep->tx_skbuff[fep->skb_cur] = skb; - dev->stats.tx_bytes += skb->len; + ndev->stats.tx_bytes += skb->len; fep->skb_cur = (fep->skb_cur+1) & TX_RING_MOD_MASK; /* Push the data cache so the CPM does not get stale memory * data. */ - bdp->cbd_bufaddr = dma_map_single(&dev->dev, bufaddr, + bdp->cbd_bufaddr = dma_map_single(&fep->pdev->dev, bufaddr, FEC_ENET_TX_FRSIZE, DMA_TO_DEVICE); /* Send it on its way. Tell FEC it's ready, interrupt when done, @@ -326,7 +318,7 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *dev) if (bdp == fep->dirty_tx) { fep->tx_full = 1; - netif_stop_queue(dev); + netif_stop_queue(ndev); } fep->cur_tx = bdp; @@ -336,62 +328,170 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_OK; } +/* This function is called to start or restart the FEC during a link + * change. This only happens when switching between half and full + * duplex. + */ static void -fec_timeout(struct net_device *dev) +fec_restart(struct net_device *ndev, int duplex) { - struct fec_enet_private *fep = netdev_priv(dev); + struct fec_enet_private *fep = netdev_priv(ndev); + const struct platform_device_id *id_entry = + platform_get_device_id(fep->pdev); + int i; + u32 temp_mac[2]; + u32 rcntl = OPT_FRAME_SIZE | 0x04; - dev->stats.tx_errors++; + /* Whack a reset. We should wait for this. */ + writel(1, fep->hwp + FEC_ECNTRL); + udelay(10); - fec_restart(dev, fep->full_duplex); - netif_wake_queue(dev); -} + /* + * enet-mac reset will reset mac address registers too, + * so need to reconfigure it. + */ + if (id_entry->driver_data & FEC_QUIRK_ENET_MAC) { + memcpy(&temp_mac, ndev->dev_addr, ETH_ALEN); + writel(cpu_to_be32(temp_mac[0]), fep->hwp + FEC_ADDR_LOW); + writel(cpu_to_be32(temp_mac[1]), fep->hwp + FEC_ADDR_HIGH); + } -static irqreturn_t -fec_enet_interrupt(int irq, void * dev_id) -{ - struct net_device *dev = dev_id; - struct fec_enet_private *fep = netdev_priv(dev); - uint int_events; - irqreturn_t ret = IRQ_NONE; + /* Clear any outstanding interrupt. */ + writel(0xffc00000, fep->hwp + FEC_IEVENT); - do { - int_events = readl(fep->hwp + FEC_IEVENT); - writel(int_events, fep->hwp + FEC_IEVENT); + /* Reset all multicast. */ + writel(0, fep->hwp + FEC_GRP_HASH_TABLE_HIGH); + writel(0, fep->hwp + FEC_GRP_HASH_TABLE_LOW); +#ifndef CONFIG_M5272 + writel(0, fep->hwp + FEC_HASH_TABLE_HIGH); + writel(0, fep->hwp + FEC_HASH_TABLE_LOW); +#endif - if (int_events & FEC_ENET_RXF) { - ret = IRQ_HANDLED; - fec_enet_rx(dev); - } + /* Set maximum receive buffer size. */ + writel(PKT_MAXBLR_SIZE, fep->hwp + FEC_R_BUFF_SIZE); - /* Transmit OK, or non-fatal error. Update the buffer - * descriptors. FEC handles all errors, we just discover - * them as part of the transmit process. - */ - if (int_events & FEC_ENET_TXF) { - ret = IRQ_HANDLED; - fec_enet_tx(dev); + /* Set receive and transmit descriptor base. */ + writel(fep->bd_dma, fep->hwp + FEC_R_DES_START); + writel((unsigned long)fep->bd_dma + sizeof(struct bufdesc) * RX_RING_SIZE, + fep->hwp + FEC_X_DES_START); + + fep->dirty_tx = fep->cur_tx = fep->tx_bd_base; + fep->cur_rx = fep->rx_bd_base; + + /* Reset SKB transmit buffers. */ + fep->skb_cur = fep->skb_dirty = 0; + for (i = 0; i <= TX_RING_MOD_MASK; i++) { + if (fep->tx_skbuff[i]) { + dev_kfree_skb_any(fep->tx_skbuff[i]); + fep->tx_skbuff[i] = NULL; } + } - if (int_events & FEC_ENET_MII) { - ret = IRQ_HANDLED; - complete(&fep->mdio_done); + /* Enable MII mode */ + if (duplex) { + /* FD enable */ + writel(0x04, fep->hwp + FEC_X_CNTRL); + } else { + /* No Rcv on Xmit */ + rcntl |= 0x02; + writel(0x0, fep->hwp + FEC_X_CNTRL); + } + + fep->full_duplex = duplex; + + /* Set MII speed */ + writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED); + + /* + * The phy interface and speed need to get configured + * differently on enet-mac. + */ + if (id_entry->driver_data & FEC_QUIRK_ENET_MAC) { + /* Enable flow control and length check */ + rcntl |= 0x40000000 | 0x00000020; + + /* MII or RMII */ + if (fep->phy_interface == PHY_INTERFACE_MODE_RMII) + rcntl |= (1 << 8); + else + rcntl &= ~(1 << 8); + + /* 10M or 100M */ + if (fep->phy_dev && fep->phy_dev->speed == SPEED_100) + rcntl &= ~(1 << 9); + else + rcntl |= (1 << 9); + + } else { +#ifdef FEC_MIIGSK_ENR + if (fep->phy_interface == PHY_INTERFACE_MODE_RMII) { + /* disable the gasket and wait */ + writel(0, fep->hwp + FEC_MIIGSK_ENR); + while (readl(fep->hwp + FEC_MIIGSK_ENR) & 4) + udelay(1); + + /* + * configure the gasket: + * RMII, 50 MHz, no loopback, no echo + */ + writel(1, fep->hwp + FEC_MIIGSK_CFGR); + + /* re-enable the gasket */ + writel(2, fep->hwp + FEC_MIIGSK_ENR); } - } while (int_events); +#endif + } + writel(rcntl, fep->hwp + FEC_R_CNTRL); - return ret; + /* And last, enable the transmit and receive processing */ + writel(2, fep->hwp + FEC_ECNTRL); + writel(0, fep->hwp + FEC_R_DES_ACTIVE); + + /* Enable interrupts we wish to service */ + writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK); +} + +static void +fec_stop(struct net_device *ndev) +{ + struct fec_enet_private *fep = netdev_priv(ndev); + + /* We cannot expect a graceful transmit stop without link !!! */ + if (fep->link) { + writel(1, fep->hwp + FEC_X_CNTRL); /* Graceful transmit stop */ + udelay(10); + if (!(readl(fep->hwp + FEC_IEVENT) & FEC_ENET_GRA)) + printk("fec_stop : Graceful transmit stop did not complete !\n"); + } + + /* Whack a reset. We should wait for this. */ + writel(1, fep->hwp + FEC_ECNTRL); + udelay(10); + writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED); + writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK); } static void -fec_enet_tx(struct net_device *dev) +fec_timeout(struct net_device *ndev) +{ + struct fec_enet_private *fep = netdev_priv(ndev); + + ndev->stats.tx_errors++; + + fec_restart(ndev, fep->full_duplex); + netif_wake_queue(ndev); +} + +static void +fec_enet_tx(struct net_device *ndev) { struct fec_enet_private *fep; struct bufdesc *bdp; unsigned short status; struct sk_buff *skb; - fep = netdev_priv(dev); + fep = netdev_priv(ndev); spin_lock(&fep->hw_lock); bdp = fep->dirty_tx; @@ -399,7 +499,8 @@ fec_enet_tx(struct net_device *dev) if (bdp == fep->cur_tx && fep->tx_full == 0) break; - dma_unmap_single(&dev->dev, bdp->cbd_bufaddr, FEC_ENET_TX_FRSIZE, DMA_TO_DEVICE); + dma_unmap_single(&fep->pdev->dev, bdp->cbd_bufaddr, + FEC_ENET_TX_FRSIZE, DMA_TO_DEVICE); bdp->cbd_bufaddr = 0; skb = fep->tx_skbuff[fep->skb_dirty]; @@ -407,19 +508,19 @@ fec_enet_tx(struct net_device *dev) if (status & (BD_ENET_TX_HB | BD_ENET_TX_LC | BD_ENET_TX_RL | BD_ENET_TX_UN | BD_ENET_TX_CSL)) { - dev->stats.tx_errors++; + ndev->stats.tx_errors++; if (status & BD_ENET_TX_HB) /* No heartbeat */ - dev->stats.tx_heartbeat_errors++; + ndev->stats.tx_heartbeat_errors++; if (status & BD_ENET_TX_LC) /* Late collision */ - dev->stats.tx_window_errors++; + ndev->stats.tx_window_errors++; if (status & BD_ENET_TX_RL) /* Retrans limit */ - dev->stats.tx_aborted_errors++; + ndev->stats.tx_aborted_errors++; if (status & BD_ENET_TX_UN) /* Underrun */ - dev->stats.tx_fifo_errors++; + ndev->stats.tx_fifo_errors++; if (status & BD_ENET_TX_CSL) /* Carrier lost */ - dev->stats.tx_carrier_errors++; + ndev->stats.tx_carrier_errors++; } else { - dev->stats.tx_packets++; + ndev->stats.tx_packets++; } if (status & BD_ENET_TX_READY) @@ -429,7 +530,7 @@ fec_enet_tx(struct net_device *dev) * but we eventually sent the packet OK. */ if (status & BD_ENET_TX_DEF) - dev->stats.collisions++; + ndev->stats.collisions++; /* Free the sk buffer associated with this last transmit */ dev_kfree_skb_any(skb); @@ -446,8 +547,8 @@ fec_enet_tx(struct net_device *dev) */ if (fep->tx_full) { fep->tx_full = 0; - if (netif_queue_stopped(dev)) - netif_wake_queue(dev); + if (netif_queue_stopped(ndev)) + netif_wake_queue(ndev); } } fep->dirty_tx = bdp; @@ -461,9 +562,9 @@ fec_enet_tx(struct net_device *dev) * effectively tossing the packet. */ static void -fec_enet_rx(struct net_device *dev) +fec_enet_rx(struct net_device *ndev) { - struct fec_enet_private *fep = netdev_priv(dev); + struct fec_enet_private *fep = netdev_priv(ndev); const struct platform_device_id *id_entry = platform_get_device_id(fep->pdev); struct bufdesc *bdp; @@ -497,17 +598,17 @@ fec_enet_rx(struct net_device *dev) /* Check for errors. */ if (status & (BD_ENET_RX_LG | BD_ENET_RX_SH | BD_ENET_RX_NO | BD_ENET_RX_CR | BD_ENET_RX_OV)) { - dev->stats.rx_errors++; + ndev->stats.rx_errors++; if (status & (BD_ENET_RX_LG | BD_ENET_RX_SH)) { /* Frame too long or too short. */ - dev->stats.rx_length_errors++; + ndev->stats.rx_length_errors++; } if (status & BD_ENET_RX_NO) /* Frame alignment */ - dev->stats.rx_frame_errors++; + ndev->stats.rx_frame_errors++; if (status & BD_ENET_RX_CR) /* CRC Error */ - dev->stats.rx_crc_errors++; + ndev->stats.rx_crc_errors++; if (status & BD_ENET_RX_OV) /* FIFO overrun */ - dev->stats.rx_fifo_errors++; + ndev->stats.rx_fifo_errors++; } /* Report late collisions as a frame error. @@ -515,19 +616,19 @@ fec_enet_rx(struct net_device *dev) * have in the buffer. So, just drop this frame on the floor. */ if (status & BD_ENET_RX_CL) { - dev->stats.rx_errors++; - dev->stats.rx_frame_errors++; + ndev->stats.rx_errors++; + ndev->stats.rx_frame_errors++; goto rx_processing_done; } /* Process the incoming frame. */ - dev->stats.rx_packets++; + ndev->stats.rx_packets++; pkt_len = bdp->cbd_datlen; - dev->stats.rx_bytes += pkt_len; + ndev->stats.rx_bytes += pkt_len; data = (__u8*)__va(bdp->cbd_bufaddr); - dma_unmap_single(NULL, bdp->cbd_bufaddr, bdp->cbd_datlen, - DMA_FROM_DEVICE); + dma_unmap_single(&fep->pdev->dev, bdp->cbd_bufaddr, + FEC_ENET_TX_FRSIZE, DMA_FROM_DEVICE); if (id_entry->driver_data & FEC_QUIRK_SWAP_FRAME) swap_buffer(data, pkt_len); @@ -541,18 +642,18 @@ fec_enet_rx(struct net_device *dev) if (unlikely(!skb)) { printk("%s: Memory squeeze, dropping packet.\n", - dev->name); - dev->stats.rx_dropped++; + ndev->name); + ndev->stats.rx_dropped++; } else { skb_reserve(skb, NET_IP_ALIGN); skb_put(skb, pkt_len - 4); /* Make room */ skb_copy_to_linear_data(skb, data, pkt_len - 4); - skb->protocol = eth_type_trans(skb, dev); + skb->protocol = eth_type_trans(skb, ndev); netif_rx(skb); } - bdp->cbd_bufaddr = dma_map_single(NULL, data, bdp->cbd_datlen, - DMA_FROM_DEVICE); + bdp->cbd_bufaddr = dma_map_single(&fep->pdev->dev, data, + FEC_ENET_TX_FRSIZE, DMA_FROM_DEVICE); rx_processing_done: /* Clear the status flags for this buffer */ status &= ~BD_ENET_RX_STATS; @@ -577,10 +678,47 @@ rx_processing_done: spin_unlock(&fep->hw_lock); } +static irqreturn_t +fec_enet_interrupt(int irq, void *dev_id) +{ + struct net_device *ndev = dev_id; + struct fec_enet_private *fep = netdev_priv(ndev); + uint int_events; + irqreturn_t ret = IRQ_NONE; + + do { + int_events = readl(fep->hwp + FEC_IEVENT); + writel(int_events, fep->hwp + FEC_IEVENT); + + if (int_events & FEC_ENET_RXF) { + ret = IRQ_HANDLED; + fec_enet_rx(ndev); + } + + /* Transmit OK, or non-fatal error. Update the buffer + * descriptors. FEC handles all errors, we just discover + * them as part of the transmit process. + */ + if (int_events & FEC_ENET_TXF) { + ret = IRQ_HANDLED; + fec_enet_tx(ndev); + } + + if (int_events & FEC_ENET_MII) { + ret = IRQ_HANDLED; + complete(&fep->mdio_done); + } + } while (int_events); + + return ret; +} + + + /* ------------------------------------------------------------------------- */ -static void __inline__ fec_get_mac(struct net_device *dev) +static void __inline__ fec_get_mac(struct net_device *ndev) { - struct fec_enet_private *fep = netdev_priv(dev); + struct fec_enet_private *fep = netdev_priv(ndev); struct fec_platform_data *pdata = fep->pdev->dev.platform_data; unsigned char *iap, tmpaddr[ETH_ALEN]; @@ -616,11 +754,11 @@ static void __inline__ fec_get_mac(struct net_device *dev) iap = &tmpaddr[0]; } - memcpy(dev->dev_addr, iap, ETH_ALEN); + memcpy(ndev->dev_addr, iap, ETH_ALEN); /* Adjust MAC if using macaddr */ if (iap == macaddr) - dev->dev_addr[ETH_ALEN-1] = macaddr[ETH_ALEN-1] + fep->pdev->id; + ndev->dev_addr[ETH_ALEN-1] = macaddr[ETH_ALEN-1] + fep->pdev->id; } /* ------------------------------------------------------------------------- */ @@ -628,9 +766,9 @@ static void __inline__ fec_get_mac(struct net_device *dev) /* * Phy section */ -static void fec_enet_adjust_link(struct net_device *dev) +static void fec_enet_adjust_link(struct net_device *ndev) { - struct fec_enet_private *fep = netdev_priv(dev); + struct fec_enet_private *fep = netdev_priv(ndev); struct phy_device *phy_dev = fep->phy_dev; unsigned long flags; @@ -647,7 +785,7 @@ static void fec_enet_adjust_link(struct net_device *dev) /* Duplex link change */ if (phy_dev->link) { if (fep->full_duplex != phy_dev->duplex) { - fec_restart(dev, phy_dev->duplex); + fec_restart(ndev, phy_dev->duplex); status_change = 1; } } @@ -656,9 +794,9 @@ static void fec_enet_adjust_link(struct net_device *dev) if (phy_dev->link != fep->link) { fep->link = phy_dev->link; if (phy_dev->link) - fec_restart(dev, phy_dev->duplex); + fec_restart(ndev, phy_dev->duplex); else - fec_stop(dev); + fec_stop(ndev); status_change = 1; } @@ -727,9 +865,9 @@ static int fec_enet_mdio_reset(struct mii_bus *bus) return 0; } -static int fec_enet_mii_probe(struct net_device *dev) +static int fec_enet_mii_probe(struct net_device *ndev) { - struct fec_enet_private *fep = netdev_priv(dev); + struct fec_enet_private *fep = netdev_priv(ndev); struct phy_device *phy_dev = NULL; char mdio_bus_id[MII_BUS_ID_SIZE]; char phy_name[MII_BUS_ID_SIZE + 3]; @@ -754,16 +892,16 @@ static int fec_enet_mii_probe(struct net_device *dev) if (phy_id >= PHY_MAX_ADDR) { printk(KERN_INFO "%s: no PHY, assuming direct connection " - "to switch\n", dev->name); + "to switch\n", ndev->name); strncpy(mdio_bus_id, "0", MII_BUS_ID_SIZE); phy_id = 0; } snprintf(phy_name, MII_BUS_ID_SIZE, PHY_ID_FMT, mdio_bus_id, phy_id); - phy_dev = phy_connect(dev, phy_name, &fec_enet_adjust_link, 0, + phy_dev = phy_connect(ndev, phy_name, &fec_enet_adjust_link, 0, PHY_INTERFACE_MODE_MII); if (IS_ERR(phy_dev)) { - printk(KERN_ERR "%s: could not attach to PHY\n", dev->name); + printk(KERN_ERR "%s: could not attach to PHY\n", ndev->name); return PTR_ERR(phy_dev); } @@ -776,7 +914,7 @@ static int fec_enet_mii_probe(struct net_device *dev) fep->full_duplex = 0; printk(KERN_INFO "%s: Freescale FEC PHY driver [%s] " - "(mii_bus:phy_addr=%s, irq=%d)\n", dev->name, + "(mii_bus:phy_addr=%s, irq=%d)\n", ndev->name, fep->phy_dev->drv->name, dev_name(&fep->phy_dev->dev), fep->phy_dev->irq); @@ -786,8 +924,8 @@ static int fec_enet_mii_probe(struct net_device *dev) static int fec_enet_mii_init(struct platform_device *pdev) { static struct mii_bus *fec0_mii_bus; - struct net_device *dev = platform_get_drvdata(pdev); - struct fec_enet_private *fep = netdev_priv(dev); + struct net_device *ndev = platform_get_drvdata(pdev); + struct fec_enet_private *fep = netdev_priv(ndev); const struct platform_device_id *id_entry = platform_get_device_id(fep->pdev); int err = -ENXIO, i; @@ -845,8 +983,6 @@ static int fec_enet_mii_init(struct platform_device *pdev) for (i = 0; i < PHY_MAX_ADDR; i++) fep->mii_bus->irq[i] = PHY_POLL; - platform_set_drvdata(dev, fep->mii_bus); - if (mdiobus_register(fep->mii_bus)) goto err_out_free_mdio_irq; @@ -873,10 +1009,10 @@ static void fec_enet_mii_remove(struct fec_enet_private *fep) mdiobus_free(fep->mii_bus); } -static int fec_enet_get_settings(struct net_device *dev, +static int fec_enet_get_settings(struct net_device *ndev, struct ethtool_cmd *cmd) { - struct fec_enet_private *fep = netdev_priv(dev); + struct fec_enet_private *fep = netdev_priv(ndev); struct phy_device *phydev = fep->phy_dev; if (!phydev) @@ -885,10 +1021,10 @@ static int fec_enet_get_settings(struct net_device *dev, return phy_ethtool_gset(phydev, cmd); } -static int fec_enet_set_settings(struct net_device *dev, +static int fec_enet_set_settings(struct net_device *ndev, struct ethtool_cmd *cmd) { - struct fec_enet_private *fep = netdev_priv(dev); + struct fec_enet_private *fep = netdev_priv(ndev); struct phy_device *phydev = fep->phy_dev; if (!phydev) @@ -897,14 +1033,14 @@ static int fec_enet_set_settings(struct net_device *dev, return phy_ethtool_sset(phydev, cmd); } -static void fec_enet_get_drvinfo(struct net_device *dev, +static void fec_enet_get_drvinfo(struct net_device *ndev, struct ethtool_drvinfo *info) { - struct fec_enet_private *fep = netdev_priv(dev); + struct fec_enet_private *fep = netdev_priv(ndev); strcpy(info->driver, fep->pdev->dev.driver->name); strcpy(info->version, "Revision: 1.0"); - strcpy(info->bus_info, dev_name(&dev->dev)); + strcpy(info->bus_info, dev_name(&ndev->dev)); } static struct ethtool_ops fec_enet_ethtool_ops = { @@ -914,12 +1050,12 @@ static struct ethtool_ops fec_enet_ethtool_ops = { .get_link = ethtool_op_get_link, }; -static int fec_enet_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) +static int fec_enet_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd) { - struct fec_enet_private *fep = netdev_priv(dev); + struct fec_enet_private *fep = netdev_priv(ndev); struct phy_device *phydev = fep->phy_dev; - if (!netif_running(dev)) + if (!netif_running(ndev)) return -EINVAL; if (!phydev) @@ -928,9 +1064,9 @@ static int fec_enet_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) return phy_mii_ioctl(phydev, rq, cmd); } -static void fec_enet_free_buffers(struct net_device *dev) +static void fec_enet_free_buffers(struct net_device *ndev) { - struct fec_enet_private *fep = netdev_priv(dev); + struct fec_enet_private *fep = netdev_priv(ndev); int i; struct sk_buff *skb; struct bufdesc *bdp; @@ -940,7 +1076,7 @@ static void fec_enet_free_buffers(struct net_device *dev) skb = fep->rx_skbuff[i]; if (bdp->cbd_bufaddr) - dma_unmap_single(&dev->dev, bdp->cbd_bufaddr, + dma_unmap_single(&fep->pdev->dev, bdp->cbd_bufaddr, FEC_ENET_RX_FRSIZE, DMA_FROM_DEVICE); if (skb) dev_kfree_skb(skb); @@ -952,9 +1088,9 @@ static void fec_enet_free_buffers(struct net_device *dev) kfree(fep->tx_bounce[i]); } -static int fec_enet_alloc_buffers(struct net_device *dev) +static int fec_enet_alloc_buffers(struct net_device *ndev) { - struct fec_enet_private *fep = netdev_priv(dev); + struct fec_enet_private *fep = netdev_priv(ndev); int i; struct sk_buff *skb; struct bufdesc *bdp; @@ -963,12 +1099,12 @@ static int fec_enet_alloc_buffers(struct net_device *dev) for (i = 0; i < RX_RING_SIZE; i++) { skb = dev_alloc_skb(FEC_ENET_RX_FRSIZE); if (!skb) { - fec_enet_free_buffers(dev); + fec_enet_free_buffers(ndev); return -ENOMEM; } fep->rx_skbuff[i] = skb; - bdp->cbd_bufaddr = dma_map_single(&dev->dev, skb->data, + bdp->cbd_bufaddr = dma_map_single(&fep->pdev->dev, skb->data, FEC_ENET_RX_FRSIZE, DMA_FROM_DEVICE); bdp->cbd_sc = BD_ENET_RX_EMPTY; bdp++; @@ -995,45 +1131,47 @@ static int fec_enet_alloc_buffers(struct net_device *dev) } static int -fec_enet_open(struct net_device *dev) +fec_enet_open(struct net_device *ndev) { - struct fec_enet_private *fep = netdev_priv(dev); + struct fec_enet_private *fep = netdev_priv(ndev); int ret; /* I should reset the ring buffers here, but I don't yet know * a simple way to do that. */ - ret = fec_enet_alloc_buffers(dev); + ret = fec_enet_alloc_buffers(ndev); if (ret) return ret; /* Probe and connect to PHY when open the interface */ - ret = fec_enet_mii_probe(dev); + ret = fec_enet_mii_probe(ndev); if (ret) { - fec_enet_free_buffers(dev); + fec_enet_free_buffers(ndev); return ret; } phy_start(fep->phy_dev); - netif_start_queue(dev); + netif_start_queue(ndev); fep->opened = 1; return 0; } static int -fec_enet_close(struct net_device *dev) +fec_enet_close(struct net_device *ndev) { - struct fec_enet_private *fep = netdev_priv(dev); + struct fec_enet_private *fep = netdev_priv(ndev); /* Don't know what to do yet. */ fep->opened = 0; - netif_stop_queue(dev); - fec_stop(dev); + netif_stop_queue(ndev); + fec_stop(ndev); - if (fep->phy_dev) + if (fep->phy_dev) { + phy_stop(fep->phy_dev); phy_disconnect(fep->phy_dev); + } - fec_enet_free_buffers(dev); + fec_enet_free_buffers(ndev); return 0; } @@ -1051,14 +1189,14 @@ fec_enet_close(struct net_device *dev) #define HASH_BITS 6 /* #bits in hash */ #define CRC32_POLY 0xEDB88320 -static void set_multicast_list(struct net_device *dev) +static void set_multicast_list(struct net_device *ndev) { - struct fec_enet_private *fep = netdev_priv(dev); + struct fec_enet_private *fep = netdev_priv(ndev); struct netdev_hw_addr *ha; unsigned int i, bit, data, crc, tmp; unsigned char hash; - if (dev->flags & IFF_PROMISC) { + if (ndev->flags & IFF_PROMISC) { tmp = readl(fep->hwp + FEC_R_CNTRL); tmp |= 0x8; writel(tmp, fep->hwp + FEC_R_CNTRL); @@ -1069,7 +1207,7 @@ static void set_multicast_list(struct net_device *dev) tmp &= ~0x8; writel(tmp, fep->hwp + FEC_R_CNTRL); - if (dev->flags & IFF_ALLMULTI) { + if (ndev->flags & IFF_ALLMULTI) { /* Catch all multicast addresses, so set the * filter to all 1's */ @@ -1084,7 +1222,7 @@ static void set_multicast_list(struct net_device *dev) writel(0, fep->hwp + FEC_GRP_HASH_TABLE_HIGH); writel(0, fep->hwp + FEC_GRP_HASH_TABLE_LOW); - netdev_for_each_mc_addr(ha, dev) { + netdev_for_each_mc_addr(ha, ndev) { /* Only support group multicast for now */ if (!(ha->addr[0] & 1)) continue; @@ -1092,7 +1230,7 @@ static void set_multicast_list(struct net_device *dev) /* calculate crc32 value of mac address */ crc = 0xffffffff; - for (i = 0; i < dev->addr_len; i++) { + for (i = 0; i < ndev->addr_len; i++) { data = ha->addr[i]; for (bit = 0; bit < 8; bit++, data >>= 1) { crc = (crc >> 1) ^ @@ -1119,20 +1257,20 @@ static void set_multicast_list(struct net_device *dev) /* Set a MAC change in hardware. */ static int -fec_set_mac_address(struct net_device *dev, void *p) +fec_set_mac_address(struct net_device *ndev, void *p) { - struct fec_enet_private *fep = netdev_priv(dev); + struct fec_enet_private *fep = netdev_priv(ndev); struct sockaddr *addr = p; if (!is_valid_ether_addr(addr->sa_data)) return -EADDRNOTAVAIL; - memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); + memcpy(ndev->dev_addr, addr->sa_data, ndev->addr_len); - writel(dev->dev_addr[3] | (dev->dev_addr[2] << 8) | - (dev->dev_addr[1] << 16) | (dev->dev_addr[0] << 24), + writel(ndev->dev_addr[3] | (ndev->dev_addr[2] << 8) | + (ndev->dev_addr[1] << 16) | (ndev->dev_addr[0] << 24), fep->hwp + FEC_ADDR_LOW); - writel((dev->dev_addr[5] << 16) | (dev->dev_addr[4] << 24), + writel((ndev->dev_addr[5] << 16) | (ndev->dev_addr[4] << 24), fep->hwp + FEC_ADDR_HIGH); return 0; } @@ -1146,16 +1284,16 @@ static const struct net_device_ops fec_netdev_ops = { .ndo_validate_addr = eth_validate_addr, .ndo_tx_timeout = fec_timeout, .ndo_set_mac_address = fec_set_mac_address, - .ndo_do_ioctl = fec_enet_ioctl, + .ndo_do_ioctl = fec_enet_ioctl, }; /* * XXX: We need to clean up on failure exits here. * */ -static int fec_enet_init(struct net_device *dev) +static int fec_enet_init(struct net_device *ndev) { - struct fec_enet_private *fep = netdev_priv(dev); + struct fec_enet_private *fep = netdev_priv(ndev); struct bufdesc *cbd_base; struct bufdesc *bdp; int i; @@ -1170,20 +1308,19 @@ static int fec_enet_init(struct net_device *dev) spin_lock_init(&fep->hw_lock); - fep->hwp = (void __iomem *)dev->base_addr; - fep->netdev = dev; + fep->netdev = ndev; /* Get the Ethernet address */ - fec_get_mac(dev); + fec_get_mac(ndev); /* Set receive and transmit descriptor base. */ fep->rx_bd_base = cbd_base; fep->tx_bd_base = cbd_base + RX_RING_SIZE; /* The FEC Ethernet specific entries in the device structure */ - dev->watchdog_timeo = TX_TIMEOUT; - dev->netdev_ops = &fec_netdev_ops; - dev->ethtool_ops = &fec_enet_ethtool_ops; + ndev->watchdog_timeo = TX_TIMEOUT; + ndev->netdev_ops = &fec_netdev_ops; + ndev->ethtool_ops = &fec_enet_ethtool_ops; /* Initialize the receive buffer descriptors. */ bdp = fep->rx_bd_base; @@ -1212,152 +1349,11 @@ static int fec_enet_init(struct net_device *dev) bdp--; bdp->cbd_sc |= BD_SC_WRAP; - fec_restart(dev, 0); + fec_restart(ndev, 0); return 0; } -/* This function is called to start or restart the FEC during a link - * change. This only happens when switching between half and full - * duplex. - */ -static void -fec_restart(struct net_device *dev, int duplex) -{ - struct fec_enet_private *fep = netdev_priv(dev); - const struct platform_device_id *id_entry = - platform_get_device_id(fep->pdev); - int i; - u32 val, temp_mac[2]; - - /* Whack a reset. We should wait for this. */ - writel(1, fep->hwp + FEC_ECNTRL); - udelay(10); - - /* - * enet-mac reset will reset mac address registers too, - * so need to reconfigure it. - */ - if (id_entry->driver_data & FEC_QUIRK_ENET_MAC) { - memcpy(&temp_mac, dev->dev_addr, ETH_ALEN); - writel(cpu_to_be32(temp_mac[0]), fep->hwp + FEC_ADDR_LOW); - writel(cpu_to_be32(temp_mac[1]), fep->hwp + FEC_ADDR_HIGH); - } - - /* Clear any outstanding interrupt. */ - writel(0xffc00000, fep->hwp + FEC_IEVENT); - - /* Reset all multicast. */ - writel(0, fep->hwp + FEC_GRP_HASH_TABLE_HIGH); - writel(0, fep->hwp + FEC_GRP_HASH_TABLE_LOW); -#ifndef CONFIG_M5272 - writel(0, fep->hwp + FEC_HASH_TABLE_HIGH); - writel(0, fep->hwp + FEC_HASH_TABLE_LOW); -#endif - - /* Set maximum receive buffer size. */ - writel(PKT_MAXBLR_SIZE, fep->hwp + FEC_R_BUFF_SIZE); - - /* Set receive and transmit descriptor base. */ - writel(fep->bd_dma, fep->hwp + FEC_R_DES_START); - writel((unsigned long)fep->bd_dma + sizeof(struct bufdesc) * RX_RING_SIZE, - fep->hwp + FEC_X_DES_START); - - fep->dirty_tx = fep->cur_tx = fep->tx_bd_base; - fep->cur_rx = fep->rx_bd_base; - - /* Reset SKB transmit buffers. */ - fep->skb_cur = fep->skb_dirty = 0; - for (i = 0; i <= TX_RING_MOD_MASK; i++) { - if (fep->tx_skbuff[i]) { - dev_kfree_skb_any(fep->tx_skbuff[i]); - fep->tx_skbuff[i] = NULL; - } - } - - /* Enable MII mode */ - if (duplex) { - /* MII enable / FD enable */ - writel(OPT_FRAME_SIZE | 0x04, fep->hwp + FEC_R_CNTRL); - writel(0x04, fep->hwp + FEC_X_CNTRL); - } else { - /* MII enable / No Rcv on Xmit */ - writel(OPT_FRAME_SIZE | 0x06, fep->hwp + FEC_R_CNTRL); - writel(0x0, fep->hwp + FEC_X_CNTRL); - } - fep->full_duplex = duplex; - - /* Set MII speed */ - writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED); - - /* - * The phy interface and speed need to get configured - * differently on enet-mac. - */ - if (id_entry->driver_data & FEC_QUIRK_ENET_MAC) { - val = readl(fep->hwp + FEC_R_CNTRL); - - /* MII or RMII */ - if (fep->phy_interface == PHY_INTERFACE_MODE_RMII) - val |= (1 << 8); - else - val &= ~(1 << 8); - - /* 10M or 100M */ - if (fep->phy_dev && fep->phy_dev->speed == SPEED_100) - val &= ~(1 << 9); - else - val |= (1 << 9); - - writel(val, fep->hwp + FEC_R_CNTRL); - } else { -#ifdef FEC_MIIGSK_ENR - if (fep->phy_interface == PHY_INTERFACE_MODE_RMII) { - /* disable the gasket and wait */ - writel(0, fep->hwp + FEC_MIIGSK_ENR); - while (readl(fep->hwp + FEC_MIIGSK_ENR) & 4) - udelay(1); - - /* - * configure the gasket: - * RMII, 50 MHz, no loopback, no echo - */ - writel(1, fep->hwp + FEC_MIIGSK_CFGR); - - /* re-enable the gasket */ - writel(2, fep->hwp + FEC_MIIGSK_ENR); - } -#endif - } - - /* And last, enable the transmit and receive processing */ - writel(2, fep->hwp + FEC_ECNTRL); - writel(0, fep->hwp + FEC_R_DES_ACTIVE); - - /* Enable interrupts we wish to service */ - writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK); -} - -static void -fec_stop(struct net_device *dev) -{ - struct fec_enet_private *fep = netdev_priv(dev); - - /* We cannot expect a graceful transmit stop without link !!! */ - if (fep->link) { - writel(1, fep->hwp + FEC_X_CNTRL); /* Graceful transmit stop */ - udelay(10); - if (!(readl(fep->hwp + FEC_IEVENT) & FEC_ENET_GRA)) - printk("fec_stop : Graceful transmit stop did not complete !\n"); - } - - /* Whack a reset. We should wait for this. */ - writel(1, fep->hwp + FEC_ECNTRL); - udelay(10); - writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED); - writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK); -} - static int __devinit fec_probe(struct platform_device *pdev) { @@ -1377,19 +1373,20 @@ fec_probe(struct platform_device *pdev) /* Init network device */ ndev = alloc_etherdev(sizeof(struct fec_enet_private)); - if (!ndev) - return -ENOMEM; + if (!ndev) { + ret = -ENOMEM; + goto failed_alloc_etherdev; + } SET_NETDEV_DEV(ndev, &pdev->dev); /* setup board info structure */ fep = netdev_priv(ndev); - memset(fep, 0, sizeof(*fep)); - ndev->base_addr = (unsigned long)ioremap(r->start, resource_size(r)); + fep->hwp = ioremap(r->start, resource_size(r)); fep->pdev = pdev; - if (!ndev->base_addr) { + if (!fep->hwp) { ret = -ENOMEM; goto failed_ioremap; } @@ -1407,10 +1404,9 @@ fec_probe(struct platform_device *pdev) break; ret = request_irq(irq, fec_enet_interrupt, IRQF_DISABLED, pdev->name, ndev); if (ret) { - while (i >= 0) { + while (--i >= 0) { irq = platform_get_irq(pdev, i); free_irq(irq, ndev); - i--; } goto failed_irq; } @@ -1453,9 +1449,11 @@ failed_clk: free_irq(irq, ndev); } failed_irq: - iounmap((void __iomem *)ndev->base_addr); + iounmap(fep->hwp); failed_ioremap: free_netdev(ndev); +failed_alloc_etherdev: + release_mem_region(r->start, resource_size(r)); return ret; } @@ -1465,16 +1463,22 @@ fec_drv_remove(struct platform_device *pdev) { struct net_device *ndev = platform_get_drvdata(pdev); struct fec_enet_private *fep = netdev_priv(ndev); - - platform_set_drvdata(pdev, NULL); + struct resource *r; fec_stop(ndev); fec_enet_mii_remove(fep); clk_disable(fep->clk); clk_put(fep->clk); - iounmap((void __iomem *)ndev->base_addr); + iounmap(fep->hwp); unregister_netdev(ndev); free_netdev(ndev); + + r = platform_get_resource(pdev, IORESOURCE_MEM, 0); + BUG_ON(!r); + release_mem_region(r->start, resource_size(r)); + + platform_set_drvdata(pdev, NULL); + return 0; } @@ -1483,16 +1487,14 @@ static int fec_suspend(struct device *dev) { struct net_device *ndev = dev_get_drvdata(dev); - struct fec_enet_private *fep; + struct fec_enet_private *fep = netdev_priv(ndev); - if (ndev) { - fep = netdev_priv(ndev); - if (netif_running(ndev)) { - fec_stop(ndev); - netif_device_detach(ndev); - } - clk_disable(fep->clk); + if (netif_running(ndev)) { + fec_stop(ndev); + netif_device_detach(ndev); } + clk_disable(fep->clk); + return 0; } @@ -1500,16 +1502,14 @@ static int fec_resume(struct device *dev) { struct net_device *ndev = dev_get_drvdata(dev); - struct fec_enet_private *fep; + struct fec_enet_private *fep = netdev_priv(ndev); - if (ndev) { - fep = netdev_priv(ndev); - clk_enable(fep->clk); - if (netif_running(ndev)) { - fec_restart(ndev, fep->full_duplex); - netif_device_attach(ndev); - } + clk_enable(fep->clk); + if (netif_running(ndev)) { + fec_restart(ndev, fep->full_duplex); + netif_device_attach(ndev); } + return 0; } diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index af09296..9c0b1ba 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -5645,6 +5645,8 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i goto out_error; } + netif_carrier_off(dev); + dev_info(&pci_dev->dev, "ifname %s, PHY OUI 0x%x @ %d, addr %pM\n", dev->name, np->phy_oui, np->phyaddr, dev->dev_addr); diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c index c1552b6..65c1833 100644 --- a/drivers/net/igb/e1000_82575.c +++ b/drivers/net/igb/e1000_82575.c @@ -238,9 +238,15 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw) size = 14; nvm->word_size = 1 << size; - /* if 82576 then initialize mailbox parameters */ - if (mac->type == e1000_82576) + /* if part supports SR-IOV then initialize mailbox parameters */ + switch (mac->type) { + case e1000_82576: + case e1000_i350: igb_init_mbx_params_pf(hw); + break; + default: + break; + } /* setup PHY parameters */ if (phy->media_type != e1000_media_type_copper) { diff --git a/drivers/net/igb/e1000_mbx.c b/drivers/net/igb/e1000_mbx.c index c474cdb..78d48c7 100644 --- a/drivers/net/igb/e1000_mbx.c +++ b/drivers/net/igb/e1000_mbx.c @@ -422,26 +422,24 @@ s32 igb_init_mbx_params_pf(struct e1000_hw *hw) { struct e1000_mbx_info *mbx = &hw->mbx; - if (hw->mac.type == e1000_82576) { - mbx->timeout = 0; - mbx->usec_delay = 0; - - mbx->size = E1000_VFMAILBOX_SIZE; - - mbx->ops.read = igb_read_mbx_pf; - mbx->ops.write = igb_write_mbx_pf; - mbx->ops.read_posted = igb_read_posted_mbx; - mbx->ops.write_posted = igb_write_posted_mbx; - mbx->ops.check_for_msg = igb_check_for_msg_pf; - mbx->ops.check_for_ack = igb_check_for_ack_pf; - mbx->ops.check_for_rst = igb_check_for_rst_pf; - - mbx->stats.msgs_tx = 0; - mbx->stats.msgs_rx = 0; - mbx->stats.reqs = 0; - mbx->stats.acks = 0; - mbx->stats.rsts = 0; - } + mbx->timeout = 0; + mbx->usec_delay = 0; + + mbx->size = E1000_VFMAILBOX_SIZE; + + mbx->ops.read = igb_read_mbx_pf; + mbx->ops.write = igb_write_mbx_pf; + mbx->ops.read_posted = igb_read_posted_mbx; + mbx->ops.write_posted = igb_write_posted_mbx; + mbx->ops.check_for_msg = igb_check_for_msg_pf; + mbx->ops.check_for_ack = igb_check_for_ack_pf; + mbx->ops.check_for_rst = igb_check_for_rst_pf; + + mbx->stats.msgs_tx = 0; + mbx->stats.msgs_rx = 0; + mbx->stats.reqs = 0; + mbx->stats.acks = 0; + mbx->stats.rsts = 0; return 0; } diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index 200cc32..cb6bf7b 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -2287,9 +2287,14 @@ static int __devinit igb_sw_init(struct igb_adapter *adapter) spin_lock_init(&adapter->stats64_lock); #ifdef CONFIG_PCI_IOV - if (hw->mac.type == e1000_82576) + switch (hw->mac.type) { + case e1000_82576: + case e1000_i350: adapter->vfs_allocated_count = (max_vfs > 7) ? 7 : max_vfs; - + break; + default: + break; + } #endif /* CONFIG_PCI_IOV */ adapter->rss_queues = min_t(u32, IGB_MAX_RX_QUEUES, num_online_cpus()); diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h index 3b8c924..12769b5 100644 --- a/drivers/net/ixgbe/ixgbe.h +++ b/drivers/net/ixgbe/ixgbe.h @@ -334,6 +334,10 @@ struct ixgbe_adapter { u16 bd_number; struct work_struct reset_task; struct ixgbe_q_vector *q_vector[MAX_MSIX_Q_VECTORS]; + + /* DCB parameters */ + struct ieee_pfc *ixgbe_ieee_pfc; + struct ieee_ets *ixgbe_ieee_ets; struct ixgbe_dcb_config dcb_cfg; struct ixgbe_dcb_config temp_dcb_cfg; u8 dcb_set_bitmap; @@ -521,7 +525,6 @@ extern void ixgbe_unmap_and_free_tx_resource(struct ixgbe_ring *, extern void ixgbe_alloc_rx_buffers(struct ixgbe_ring *, u16); extern void ixgbe_write_eitr(struct ixgbe_q_vector *); extern int ethtool_ioctl(struct ifreq *ifr); -extern u8 ixgbe_dcb_txq_to_tc(struct ixgbe_adapter *adapter, u8 index); extern s32 ixgbe_reinit_fdir_tables_82599(struct ixgbe_hw *hw); extern s32 ixgbe_init_fdir_signature_82599(struct ixgbe_hw *hw, u32 pballoc); extern s32 ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw, u32 pballoc); diff --git a/drivers/net/ixgbe/ixgbe_common.h b/drivers/net/ixgbe/ixgbe_common.h index 66ed045..90cceb4 100644 --- a/drivers/net/ixgbe/ixgbe_common.h +++ b/drivers/net/ixgbe/ixgbe_common.h @@ -29,6 +29,7 @@ #define _IXGBE_COMMON_H_ #include "ixgbe_type.h" +#include "ixgbe.h" u32 ixgbe_get_pcie_msix_count_generic(struct ixgbe_hw *hw); s32 ixgbe_init_ops_generic(struct ixgbe_hw *hw); @@ -110,9 +111,8 @@ void ixgbe_set_vlan_anti_spoofing(struct ixgbe_hw *hw, bool enable, int vf); #define IXGBE_WRITE_FLUSH(a) IXGBE_READ_REG(a, IXGBE_STATUS) -extern struct net_device *ixgbe_get_hw_dev(struct ixgbe_hw *hw); #define hw_dbg(hw, format, arg...) \ - netdev_dbg(ixgbe_get_hw_dev(hw), format, ##arg) + netdev_dbg(((struct ixgbe_adapter *)(hw->back))->netdev, format, ##arg) #define e_dev_info(format, arg...) \ dev_info(&adapter->pdev->dev, format, ## arg) #define e_dev_warn(format, arg...) \ diff --git a/drivers/net/ixgbe/ixgbe_dcb.c b/drivers/net/ixgbe/ixgbe_dcb.c index d16c260..13c962e 100644 --- a/drivers/net/ixgbe/ixgbe_dcb.c +++ b/drivers/net/ixgbe/ixgbe_dcb.c @@ -34,6 +34,42 @@ #include "ixgbe_dcb_82599.h" /** + * ixgbe_ieee_credits - This calculates the ieee traffic class + * credits from the configured bandwidth percentages. Credits + * are the smallest unit programable into the underlying + * hardware. The IEEE 802.1Qaz specification do not use bandwidth + * groups so this is much simplified from the CEE case. + */ +s32 ixgbe_ieee_credits(__u8 *bw, __u16 *refill, __u16 *max, int max_frame) +{ + int min_percent = 100; + int min_credit, multiplier; + int i; + + min_credit = ((max_frame / 2) + DCB_CREDIT_QUANTUM - 1) / + DCB_CREDIT_QUANTUM; + + for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { + if (bw[i] < min_percent && bw[i]) + min_percent = bw[i]; + } + + multiplier = (min_credit / min_percent) + 1; + + /* Find out the hw credits for each TC */ + for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { + int val = min(bw[i] * multiplier, MAX_CREDIT_REFILL); + + if (val < min_credit) + val = min_credit; + refill[i] = val; + + max[i] = (bw[i] * MAX_CREDIT)/100; + } + return 0; +} + +/** * ixgbe_dcb_calculate_tc_credits - Calculates traffic class credits * @ixgbe_dcb_config: Struct containing DCB settings. * @direction: Configuring either Tx or Rx. @@ -141,6 +177,59 @@ out: return ret_val; } +void ixgbe_dcb_unpack_pfc(struct ixgbe_dcb_config *cfg, u8 *pfc_en) +{ + int i; + + *pfc_en = 0; + for (i = 0; i < MAX_TRAFFIC_CLASS; i++) + *pfc_en |= (cfg->tc_config[i].dcb_pfc & 0xF) << i; +} + +void ixgbe_dcb_unpack_refill(struct ixgbe_dcb_config *cfg, int direction, + u16 *refill) +{ + struct tc_bw_alloc *p; + int i; + + for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { + p = &cfg->tc_config[i].path[direction]; + refill[i] = p->data_credits_refill; + } +} + +void ixgbe_dcb_unpack_max(struct ixgbe_dcb_config *cfg, u16 *max) +{ + int i; + + for (i = 0; i < MAX_TRAFFIC_CLASS; i++) + max[i] = cfg->tc_config[i].desc_credits_max; +} + +void ixgbe_dcb_unpack_bwgid(struct ixgbe_dcb_config *cfg, int direction, + u8 *bwgid) +{ + struct tc_bw_alloc *p; + int i; + + for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { + p = &cfg->tc_config[i].path[direction]; + bwgid[i] = p->bwg_id; + } +} + +void ixgbe_dcb_unpack_prio(struct ixgbe_dcb_config *cfg, int direction, + u8 *ptype) +{ + struct tc_bw_alloc *p; + int i; + + for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { + p = &cfg->tc_config[i].path[direction]; + ptype[i] = p->prio_type; + } +} + /** * ixgbe_dcb_hw_config - Config and enable DCB * @hw: pointer to hardware structure @@ -152,13 +241,30 @@ s32 ixgbe_dcb_hw_config(struct ixgbe_hw *hw, struct ixgbe_dcb_config *dcb_config) { s32 ret = 0; + u8 pfc_en; + u8 ptype[MAX_TRAFFIC_CLASS]; + u8 bwgid[MAX_TRAFFIC_CLASS]; + u16 refill[MAX_TRAFFIC_CLASS]; + u16 max[MAX_TRAFFIC_CLASS]; + + /* Unpack CEE standard containers */ + ixgbe_dcb_unpack_pfc(dcb_config, &pfc_en); + ixgbe_dcb_unpack_refill(dcb_config, DCB_TX_CONFIG, refill); + ixgbe_dcb_unpack_max(dcb_config, max); + ixgbe_dcb_unpack_bwgid(dcb_config, DCB_TX_CONFIG, bwgid); + ixgbe_dcb_unpack_prio(dcb_config, DCB_TX_CONFIG, ptype); + switch (hw->mac.type) { case ixgbe_mac_82598EB: - ret = ixgbe_dcb_hw_config_82598(hw, dcb_config); + ret = ixgbe_dcb_hw_config_82598(hw, dcb_config->rx_pba_cfg, + pfc_en, refill, max, bwgid, + ptype); break; case ixgbe_mac_82599EB: case ixgbe_mac_X540: - ret = ixgbe_dcb_hw_config_82599(hw, dcb_config); + ret = ixgbe_dcb_hw_config_82599(hw, dcb_config->rx_pba_cfg, + pfc_en, refill, max, bwgid, + ptype); break; default: break; @@ -166,3 +272,70 @@ s32 ixgbe_dcb_hw_config(struct ixgbe_hw *hw, return ret; } +/* Helper routines to abstract HW specifics from DCB netlink ops */ +s32 ixgbe_dcb_hw_pfc_config(struct ixgbe_hw *hw, u8 pfc_en) +{ + int ret = -EINVAL; + + switch (hw->mac.type) { + case ixgbe_mac_82598EB: + ret = ixgbe_dcb_config_pfc_82598(hw, pfc_en); + break; + case ixgbe_mac_82599EB: + case ixgbe_mac_X540: + ret = ixgbe_dcb_config_pfc_82599(hw, pfc_en); + break; + default: + break; + } + return ret; +} + +s32 ixgbe_dcb_hw_ets_config(struct ixgbe_hw *hw, + u16 *refill, u16 *max, u8 *bwg_id, u8 *tsa) +{ + int i; + u8 prio_type[IEEE_8021QAZ_MAX_TCS]; + + /* Map TSA onto CEE prio type */ + for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { + switch (tsa[i]) { + case IEEE_8021QAZ_TSA_STRICT: + prio_type[i] = 2; + break; + case IEEE_8021QAZ_TSA_ETS: + prio_type[i] = 0; + break; + default: + /* Hardware only supports priority strict or + * ETS transmission selection algorithms if + * we receive some other value from dcbnl + * throw an error + */ + return -EINVAL; + } + } + + switch (hw->mac.type) { + case ixgbe_mac_82598EB: + ixgbe_dcb_config_rx_arbiter_82598(hw, refill, max, + prio_type); + ixgbe_dcb_config_tx_desc_arbiter_82598(hw, refill, max, + bwg_id, prio_type); + ixgbe_dcb_config_tx_data_arbiter_82598(hw, refill, max, + bwg_id, prio_type); + break; + case ixgbe_mac_82599EB: + case ixgbe_mac_X540: + ixgbe_dcb_config_rx_arbiter_82599(hw, refill, max, + bwg_id, prio_type); + ixgbe_dcb_config_tx_desc_arbiter_82599(hw, refill, max, + bwg_id, prio_type); + ixgbe_dcb_config_tx_data_arbiter_82599(hw, refill, max, + bwg_id, prio_type); + break; + default: + break; + } + return 0; +} diff --git a/drivers/net/ixgbe/ixgbe_dcb.h b/drivers/net/ixgbe/ixgbe_dcb.h index 1cfe38e..e593511 100644 --- a/drivers/net/ixgbe/ixgbe_dcb.h +++ b/drivers/net/ixgbe/ixgbe_dcb.h @@ -139,7 +139,6 @@ struct ixgbe_dcb_config { struct tc_configuration tc_config[MAX_TRAFFIC_CLASS]; u8 bw_percentage[2][MAX_BW_GROUP]; /* One each for Tx/Rx */ bool pfc_mode_enable; - bool round_robin_enable; enum dcb_rx_pba_cfg rx_pba_cfg; @@ -148,12 +147,21 @@ struct ixgbe_dcb_config { }; /* DCB driver APIs */ +void ixgbe_dcb_unpack_pfc(struct ixgbe_dcb_config *cfg, u8 *pfc_en); +void ixgbe_dcb_unpack_refill(struct ixgbe_dcb_config *, int, u16 *); +void ixgbe_dcb_unpack_max(struct ixgbe_dcb_config *, u16 *); +void ixgbe_dcb_unpack_bwgid(struct ixgbe_dcb_config *, int, u8 *); +void ixgbe_dcb_unpack_prio(struct ixgbe_dcb_config *, int, u8 *); /* DCB credits calculation */ +s32 ixgbe_ieee_credits(__u8 *bw, __u16 *refill, __u16 *max, int max_frame); s32 ixgbe_dcb_calculate_tc_credits(struct ixgbe_hw *, struct ixgbe_dcb_config *, int, u8); /* DCB hw initialization */ +s32 ixgbe_dcb_hw_ets_config(struct ixgbe_hw *hw, + u16 *refill, u16 *max, u8 *bwg_id, u8 *prio_type); +s32 ixgbe_dcb_hw_pfc_config(struct ixgbe_hw *hw, u8 pfc_en); s32 ixgbe_dcb_hw_config(struct ixgbe_hw *, struct ixgbe_dcb_config *); /* DCB definitions for credit calculation */ diff --git a/drivers/net/ixgbe/ixgbe_dcb_82598.c b/drivers/net/ixgbe/ixgbe_dcb_82598.c index 9a5e89c..2965edc 100644 --- a/drivers/net/ixgbe/ixgbe_dcb_82598.c +++ b/drivers/net/ixgbe/ixgbe_dcb_82598.c @@ -38,15 +38,14 @@ * * Configure packet buffers for DCB mode. */ -static s32 ixgbe_dcb_config_packet_buffers_82598(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) +static s32 ixgbe_dcb_config_packet_buffers_82598(struct ixgbe_hw *hw, u8 rx_pba) { s32 ret_val = 0; u32 value = IXGBE_RXPBSIZE_64KB; u8 i = 0; /* Setup Rx packet buffer sizes */ - switch (dcb_config->rx_pba_cfg) { + switch (rx_pba) { case pba_80_48: /* Setup the first four at 80KB */ value = IXGBE_RXPBSIZE_80KB; @@ -78,10 +77,11 @@ static s32 ixgbe_dcb_config_packet_buffers_82598(struct ixgbe_hw *hw, * * Configure Rx Data Arbiter and credits for each traffic class. */ -static s32 ixgbe_dcb_config_rx_arbiter_82598(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) +s32 ixgbe_dcb_config_rx_arbiter_82598(struct ixgbe_hw *hw, + u16 *refill, + u16 *max, + u8 *prio_type) { - struct tc_bw_alloc *p; u32 reg = 0; u32 credit_refill = 0; u32 credit_max = 0; @@ -102,13 +102,12 @@ static s32 ixgbe_dcb_config_rx_arbiter_82598(struct ixgbe_hw *hw, /* Configure traffic class credits and priority */ for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { - p = &dcb_config->tc_config[i].path[DCB_RX_CONFIG]; - credit_refill = p->data_credits_refill; - credit_max = p->data_credits_max; + credit_refill = refill[i]; + credit_max = max[i]; reg = credit_refill | (credit_max << IXGBE_RT2CR_MCL_SHIFT); - if (p->prio_type == prio_link) + if (prio_type[i] == prio_link) reg |= IXGBE_RT2CR_LSP; IXGBE_WRITE_REG(hw, IXGBE_RT2CR(i), reg); @@ -135,10 +134,12 @@ static s32 ixgbe_dcb_config_rx_arbiter_82598(struct ixgbe_hw *hw, * * Configure Tx Descriptor Arbiter and credits for each traffic class. */ -static s32 ixgbe_dcb_config_tx_desc_arbiter_82598(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) +s32 ixgbe_dcb_config_tx_desc_arbiter_82598(struct ixgbe_hw *hw, + u16 *refill, + u16 *max, + u8 *bwg_id, + u8 *prio_type) { - struct tc_bw_alloc *p; u32 reg, max_credits; u8 i; @@ -146,10 +147,8 @@ static s32 ixgbe_dcb_config_tx_desc_arbiter_82598(struct ixgbe_hw *hw, /* Enable arbiter */ reg &= ~IXGBE_DPMCS_ARBDIS; - if (!(dcb_config->round_robin_enable)) { - /* Enable DFP and Recycle mode */ - reg |= (IXGBE_DPMCS_TDPAC | IXGBE_DPMCS_TRM); - } + /* Enable DFP and Recycle mode */ + reg |= (IXGBE_DPMCS_TDPAC | IXGBE_DPMCS_TRM); reg |= IXGBE_DPMCS_TSOEF; /* Configure Max TSO packet size 34KB including payload and headers */ reg |= (0x4 << IXGBE_DPMCS_MTSOS_SHIFT); @@ -158,16 +157,15 @@ static s32 ixgbe_dcb_config_tx_desc_arbiter_82598(struct ixgbe_hw *hw, /* Configure traffic class credits and priority */ for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { - p = &dcb_config->tc_config[i].path[DCB_TX_CONFIG]; - max_credits = dcb_config->tc_config[i].desc_credits_max; + max_credits = max[i]; reg = max_credits << IXGBE_TDTQ2TCCR_MCL_SHIFT; - reg |= p->data_credits_refill; - reg |= (u32)(p->bwg_id) << IXGBE_TDTQ2TCCR_BWG_SHIFT; + reg |= refill[i]; + reg |= (u32)(bwg_id[i]) << IXGBE_TDTQ2TCCR_BWG_SHIFT; - if (p->prio_type == prio_group) + if (prio_type[i] == prio_group) reg |= IXGBE_TDTQ2TCCR_GSP; - if (p->prio_type == prio_link) + if (prio_type[i] == prio_link) reg |= IXGBE_TDTQ2TCCR_LSP; IXGBE_WRITE_REG(hw, IXGBE_TDTQ2TCCR(i), reg); @@ -183,10 +181,12 @@ static s32 ixgbe_dcb_config_tx_desc_arbiter_82598(struct ixgbe_hw *hw, * * Configure Tx Data Arbiter and credits for each traffic class. */ -static s32 ixgbe_dcb_config_tx_data_arbiter_82598(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) +s32 ixgbe_dcb_config_tx_data_arbiter_82598(struct ixgbe_hw *hw, + u16 *refill, + u16 *max, + u8 *bwg_id, + u8 *prio_type) { - struct tc_bw_alloc *p; u32 reg; u8 i; @@ -200,15 +200,14 @@ static s32 ixgbe_dcb_config_tx_data_arbiter_82598(struct ixgbe_hw *hw, /* Configure traffic class credits and priority */ for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { - p = &dcb_config->tc_config[i].path[DCB_TX_CONFIG]; - reg = p->data_credits_refill; - reg |= (u32)(p->data_credits_max) << IXGBE_TDPT2TCCR_MCL_SHIFT; - reg |= (u32)(p->bwg_id) << IXGBE_TDPT2TCCR_BWG_SHIFT; + reg = refill[i]; + reg |= (u32)(max[i]) << IXGBE_TDPT2TCCR_MCL_SHIFT; + reg |= (u32)(bwg_id[i]) << IXGBE_TDPT2TCCR_BWG_SHIFT; - if (p->prio_type == prio_group) + if (prio_type[i] == prio_group) reg |= IXGBE_TDPT2TCCR_GSP; - if (p->prio_type == prio_link) + if (prio_type[i] == prio_link) reg |= IXGBE_TDPT2TCCR_LSP; IXGBE_WRITE_REG(hw, IXGBE_TDPT2TCCR(i), reg); @@ -229,13 +228,12 @@ static s32 ixgbe_dcb_config_tx_data_arbiter_82598(struct ixgbe_hw *hw, * * Configure Priority Flow Control for each traffic class. */ -s32 ixgbe_dcb_config_pfc_82598(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) +s32 ixgbe_dcb_config_pfc_82598(struct ixgbe_hw *hw, u8 pfc_en) { u32 reg, rx_pba_size; u8 i; - if (!dcb_config->pfc_mode_enable) + if (!pfc_en) goto out; /* Enable Transmit Priority Flow Control */ @@ -256,19 +254,20 @@ s32 ixgbe_dcb_config_pfc_82598(struct ixgbe_hw *hw, * for each traffic class. */ for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { + int enabled = pfc_en & (1 << i); rx_pba_size = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i)); rx_pba_size >>= IXGBE_RXPBSIZE_SHIFT; reg = (rx_pba_size - hw->fc.low_water) << 10; - if (dcb_config->tc_config[i].dcb_pfc == pfc_enabled_tx || - dcb_config->tc_config[i].dcb_pfc == pfc_enabled_full) + if (enabled == pfc_enabled_tx || + enabled == pfc_enabled_full) reg |= IXGBE_FCRTL_XONE; IXGBE_WRITE_REG(hw, IXGBE_FCRTL(i), reg); reg = (rx_pba_size - hw->fc.high_water) << 10; - if (dcb_config->tc_config[i].dcb_pfc == pfc_enabled_tx || - dcb_config->tc_config[i].dcb_pfc == pfc_enabled_full) + if (enabled == pfc_enabled_tx || + enabled == pfc_enabled_full) reg |= IXGBE_FCRTH_FCEN; IXGBE_WRITE_REG(hw, IXGBE_FCRTH(i), reg); @@ -292,7 +291,7 @@ out: * Configure queue statistics registers, all queues belonging to same traffic * class uses a single set of queue statistics counters. */ -static s32 ixgbe_dcb_config_tc_stats_82598(struct ixgbe_hw *hw) +s32 ixgbe_dcb_config_tc_stats_82598(struct ixgbe_hw *hw) { u32 reg = 0; u8 i = 0; @@ -325,13 +324,16 @@ static s32 ixgbe_dcb_config_tc_stats_82598(struct ixgbe_hw *hw) * Configure dcb settings and enable dcb mode. */ s32 ixgbe_dcb_hw_config_82598(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) + u8 rx_pba, u8 pfc_en, u16 *refill, + u16 *max, u8 *bwg_id, u8 *prio_type) { - ixgbe_dcb_config_packet_buffers_82598(hw, dcb_config); - ixgbe_dcb_config_rx_arbiter_82598(hw, dcb_config); - ixgbe_dcb_config_tx_desc_arbiter_82598(hw, dcb_config); - ixgbe_dcb_config_tx_data_arbiter_82598(hw, dcb_config); - ixgbe_dcb_config_pfc_82598(hw, dcb_config); + ixgbe_dcb_config_packet_buffers_82598(hw, rx_pba); + ixgbe_dcb_config_rx_arbiter_82598(hw, refill, max, prio_type); + ixgbe_dcb_config_tx_desc_arbiter_82598(hw, refill, max, + bwg_id, prio_type); + ixgbe_dcb_config_tx_data_arbiter_82598(hw, refill, max, + bwg_id, prio_type); + ixgbe_dcb_config_pfc_82598(hw, pfc_en); ixgbe_dcb_config_tc_stats_82598(hw); return 0; diff --git a/drivers/net/ixgbe/ixgbe_dcb_82598.h b/drivers/net/ixgbe/ixgbe_dcb_82598.h index abc03cc..0d2a758 100644 --- a/drivers/net/ixgbe/ixgbe_dcb_82598.h +++ b/drivers/net/ixgbe/ixgbe_dcb_82598.h @@ -71,9 +71,28 @@ /* DCB hardware-specific driver APIs */ /* DCB PFC functions */ -s32 ixgbe_dcb_config_pfc_82598(struct ixgbe_hw *, struct ixgbe_dcb_config *); +s32 ixgbe_dcb_config_pfc_82598(struct ixgbe_hw *, u8 pfc_en); /* DCB hw initialization */ -s32 ixgbe_dcb_hw_config_82598(struct ixgbe_hw *, struct ixgbe_dcb_config *); +s32 ixgbe_dcb_config_rx_arbiter_82598(struct ixgbe_hw *hw, + u16 *refill, + u16 *max, + u8 *prio_type); + +s32 ixgbe_dcb_config_tx_desc_arbiter_82598(struct ixgbe_hw *hw, + u16 *refill, + u16 *max, + u8 *bwg_id, + u8 *prio_type); + +s32 ixgbe_dcb_config_tx_data_arbiter_82598(struct ixgbe_hw *hw, + u16 *refill, + u16 *max, + u8 *bwg_id, + u8 *prio_type); + +s32 ixgbe_dcb_hw_config_82598(struct ixgbe_hw *hw, + u8 rx_pba, u8 pfc_en, u16 *refill, + u16 *max, u8 *bwg_id, u8 *prio_type); #endif /* _DCB_82598_CONFIG_H */ diff --git a/drivers/net/ixgbe/ixgbe_dcb_82599.c b/drivers/net/ixgbe/ixgbe_dcb_82599.c index 374e1f7..b0d97a9 100644 --- a/drivers/net/ixgbe/ixgbe_dcb_82599.c +++ b/drivers/net/ixgbe/ixgbe_dcb_82599.c @@ -33,19 +33,18 @@ /** * ixgbe_dcb_config_packet_buffers_82599 - Configure DCB packet buffers * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure + * @rx_pba: method to distribute packet buffer * * Configure packet buffers for DCB mode. */ -static s32 ixgbe_dcb_config_packet_buffers_82599(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) +static s32 ixgbe_dcb_config_packet_buffers_82599(struct ixgbe_hw *hw, u8 rx_pba) { s32 ret_val = 0; u32 value = IXGBE_RXPBSIZE_64KB; u8 i = 0; /* Setup Rx packet buffer sizes */ - switch (dcb_config->rx_pba_cfg) { + switch (rx_pba) { case pba_80_48: /* Setup the first four at 80KB */ value = IXGBE_RXPBSIZE_80KB; @@ -75,14 +74,19 @@ static s32 ixgbe_dcb_config_packet_buffers_82599(struct ixgbe_hw *hw, /** * ixgbe_dcb_config_rx_arbiter_82599 - Config Rx Data arbiter * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure + * @refill: refill credits index by traffic class + * @max: max credits index by traffic class + * @bwg_id: bandwidth grouping indexed by traffic class + * @prio_type: priority type indexed by traffic class * * Configure Rx Packet Arbiter and credits for each traffic class. */ -static s32 ixgbe_dcb_config_rx_arbiter_82599(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) +s32 ixgbe_dcb_config_rx_arbiter_82599(struct ixgbe_hw *hw, + u16 *refill, + u16 *max, + u8 *bwg_id, + u8 *prio_type) { - struct tc_bw_alloc *p; u32 reg = 0; u32 credit_refill = 0; u32 credit_max = 0; @@ -103,15 +107,13 @@ static s32 ixgbe_dcb_config_rx_arbiter_82599(struct ixgbe_hw *hw, /* Configure traffic class credits and priority */ for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { - p = &dcb_config->tc_config[i].path[DCB_RX_CONFIG]; - - credit_refill = p->data_credits_refill; - credit_max = p->data_credits_max; + credit_refill = refill[i]; + credit_max = max[i]; reg = credit_refill | (credit_max << IXGBE_RTRPT4C_MCL_SHIFT); - reg |= (u32)(p->bwg_id) << IXGBE_RTRPT4C_BWG_SHIFT; + reg |= (u32)(bwg_id[i]) << IXGBE_RTRPT4C_BWG_SHIFT; - if (p->prio_type == prio_link) + if (prio_type[i] == prio_link) reg |= IXGBE_RTRPT4C_LSP; IXGBE_WRITE_REG(hw, IXGBE_RTRPT4C(i), reg); @@ -130,14 +132,19 @@ static s32 ixgbe_dcb_config_rx_arbiter_82599(struct ixgbe_hw *hw, /** * ixgbe_dcb_config_tx_desc_arbiter_82599 - Config Tx Desc. arbiter * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure + * @refill: refill credits index by traffic class + * @max: max credits index by traffic class + * @bwg_id: bandwidth grouping indexed by traffic class + * @prio_type: priority type indexed by traffic class * * Configure Tx Descriptor Arbiter and credits for each traffic class. */ -static s32 ixgbe_dcb_config_tx_desc_arbiter_82599(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) +s32 ixgbe_dcb_config_tx_desc_arbiter_82599(struct ixgbe_hw *hw, + u16 *refill, + u16 *max, + u8 *bwg_id, + u8 *prio_type) { - struct tc_bw_alloc *p; u32 reg, max_credits; u8 i; @@ -149,16 +156,15 @@ static s32 ixgbe_dcb_config_tx_desc_arbiter_82599(struct ixgbe_hw *hw, /* Configure traffic class credits and priority */ for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { - p = &dcb_config->tc_config[i].path[DCB_TX_CONFIG]; - max_credits = dcb_config->tc_config[i].desc_credits_max; + max_credits = max[i]; reg = max_credits << IXGBE_RTTDT2C_MCL_SHIFT; - reg |= p->data_credits_refill; - reg |= (u32)(p->bwg_id) << IXGBE_RTTDT2C_BWG_SHIFT; + reg |= refill[i]; + reg |= (u32)(bwg_id[i]) << IXGBE_RTTDT2C_BWG_SHIFT; - if (p->prio_type == prio_group) + if (prio_type[i] == prio_group) reg |= IXGBE_RTTDT2C_GSP; - if (p->prio_type == prio_link) + if (prio_type[i] == prio_link) reg |= IXGBE_RTTDT2C_LSP; IXGBE_WRITE_REG(hw, IXGBE_RTTDT2C(i), reg); @@ -177,14 +183,19 @@ static s32 ixgbe_dcb_config_tx_desc_arbiter_82599(struct ixgbe_hw *hw, /** * ixgbe_dcb_config_tx_data_arbiter_82599 - Config Tx Data arbiter * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure + * @refill: refill credits index by traffic class + * @max: max credits index by traffic class + * @bwg_id: bandwidth grouping indexed by traffic class + * @prio_type: priority type indexed by traffic class * * Configure Tx Packet Arbiter and credits for each traffic class. */ -static s32 ixgbe_dcb_config_tx_data_arbiter_82599(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) +s32 ixgbe_dcb_config_tx_data_arbiter_82599(struct ixgbe_hw *hw, + u16 *refill, + u16 *max, + u8 *bwg_id, + u8 *prio_type) { - struct tc_bw_alloc *p; u32 reg; u8 i; @@ -205,15 +216,14 @@ static s32 ixgbe_dcb_config_tx_data_arbiter_82599(struct ixgbe_hw *hw, /* Configure traffic class credits and priority */ for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { - p = &dcb_config->tc_config[i].path[DCB_TX_CONFIG]; - reg = p->data_credits_refill; - reg |= (u32)(p->data_credits_max) << IXGBE_RTTPT2C_MCL_SHIFT; - reg |= (u32)(p->bwg_id) << IXGBE_RTTPT2C_BWG_SHIFT; + reg = refill[i]; + reg |= (u32)(max[i]) << IXGBE_RTTPT2C_MCL_SHIFT; + reg |= (u32)(bwg_id[i]) << IXGBE_RTTPT2C_BWG_SHIFT; - if (p->prio_type == prio_group) + if (prio_type[i] == prio_group) reg |= IXGBE_RTTPT2C_GSP; - if (p->prio_type == prio_link) + if (prio_type[i] == prio_link) reg |= IXGBE_RTTPT2C_LSP; IXGBE_WRITE_REG(hw, IXGBE_RTTPT2C(i), reg); @@ -233,17 +243,16 @@ static s32 ixgbe_dcb_config_tx_data_arbiter_82599(struct ixgbe_hw *hw, /** * ixgbe_dcb_config_pfc_82599 - Configure priority flow control * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure + * @pfc_en: enabled pfc bitmask * * Configure Priority Flow Control (PFC) for each traffic class. */ -s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) +s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *hw, u8 pfc_en) { u32 i, reg, rx_pba_size; /* If PFC is disabled globally then fall back to LFC. */ - if (!dcb_config->pfc_mode_enable) { + if (!pfc_en) { for (i = 0; i < MAX_TRAFFIC_CLASS; i++) hw->mac.ops.fc_enable(hw, i); goto out; @@ -251,19 +260,18 @@ s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *hw, /* Configure PFC Tx thresholds per TC */ for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { + int enabled = pfc_en & (1 << i); rx_pba_size = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i)); rx_pba_size >>= IXGBE_RXPBSIZE_SHIFT; reg = (rx_pba_size - hw->fc.low_water) << 10; - if (dcb_config->tc_config[i].dcb_pfc == pfc_enabled_full || - dcb_config->tc_config[i].dcb_pfc == pfc_enabled_tx) + if (enabled) reg |= IXGBE_FCRTL_XONE; IXGBE_WRITE_REG(hw, IXGBE_FCRTL_82599(i), reg); reg = (rx_pba_size - hw->fc.high_water) << 10; - if (dcb_config->tc_config[i].dcb_pfc == pfc_enabled_full || - dcb_config->tc_config[i].dcb_pfc == pfc_enabled_tx) + if (enabled) reg |= IXGBE_FCRTH_FCEN; IXGBE_WRITE_REG(hw, IXGBE_FCRTH_82599(i), reg); } @@ -349,7 +357,6 @@ static s32 ixgbe_dcb_config_tc_stats_82599(struct ixgbe_hw *hw) /** * ixgbe_dcb_config_82599 - Configure general DCB parameters * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure * * Configure general DCB parameters. */ @@ -406,19 +413,27 @@ static s32 ixgbe_dcb_config_82599(struct ixgbe_hw *hw) /** * ixgbe_dcb_hw_config_82599 - Configure and enable DCB * @hw: pointer to hardware structure - * @dcb_config: pointer to ixgbe_dcb_config structure + * @rx_pba: method to distribute packet buffer + * @refill: refill credits index by traffic class + * @max: max credits index by traffic class + * @bwg_id: bandwidth grouping indexed by traffic class + * @prio_type: priority type indexed by traffic class + * @pfc_en: enabled pfc bitmask * * Configure dcb settings and enable dcb mode. */ s32 ixgbe_dcb_hw_config_82599(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config) + u8 rx_pba, u8 pfc_en, u16 *refill, + u16 *max, u8 *bwg_id, u8 *prio_type) { - ixgbe_dcb_config_packet_buffers_82599(hw, dcb_config); + ixgbe_dcb_config_packet_buffers_82599(hw, rx_pba); ixgbe_dcb_config_82599(hw); - ixgbe_dcb_config_rx_arbiter_82599(hw, dcb_config); - ixgbe_dcb_config_tx_desc_arbiter_82599(hw, dcb_config); - ixgbe_dcb_config_tx_data_arbiter_82599(hw, dcb_config); - ixgbe_dcb_config_pfc_82599(hw, dcb_config); + ixgbe_dcb_config_rx_arbiter_82599(hw, refill, max, bwg_id, prio_type); + ixgbe_dcb_config_tx_desc_arbiter_82599(hw, refill, max, + bwg_id, prio_type); + ixgbe_dcb_config_tx_data_arbiter_82599(hw, refill, max, + bwg_id, prio_type); + ixgbe_dcb_config_pfc_82599(hw, pfc_en); ixgbe_dcb_config_tc_stats_82599(hw); return 0; diff --git a/drivers/net/ixgbe/ixgbe_dcb_82599.h b/drivers/net/ixgbe/ixgbe_dcb_82599.h index 3841649..5b0ca85 100644 --- a/drivers/net/ixgbe/ixgbe_dcb_82599.h +++ b/drivers/net/ixgbe/ixgbe_dcb_82599.h @@ -102,11 +102,29 @@ /* DCB hardware-specific driver APIs */ /* DCB PFC functions */ -s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *dcb_config); +s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *hw, u8 pfc_en); /* DCB hw initialization */ +s32 ixgbe_dcb_config_rx_arbiter_82599(struct ixgbe_hw *hw, + u16 *refill, + u16 *max, + u8 *bwg_id, + u8 *prio_type); + +s32 ixgbe_dcb_config_tx_desc_arbiter_82599(struct ixgbe_hw *hw, + u16 *refill, + u16 *max, + u8 *bwg_id, + u8 *prio_type); + +s32 ixgbe_dcb_config_tx_data_arbiter_82599(struct ixgbe_hw *hw, + u16 *refill, + u16 *max, + u8 *bwg_id, + u8 *prio_type); + s32 ixgbe_dcb_hw_config_82599(struct ixgbe_hw *hw, - struct ixgbe_dcb_config *config); + u8 rx_pba, u8 pfc_en, u16 *refill, + u16 *max, u8 *bwg_id, u8 *prio_type); #endif /* _DCB_82599_CONFIG_H */ diff --git a/drivers/net/ixgbe/ixgbe_dcb_nl.c b/drivers/net/ixgbe/ixgbe_dcb_nl.c index bf566e8..a977df3 100644 --- a/drivers/net/ixgbe/ixgbe_dcb_nl.c +++ b/drivers/net/ixgbe/ixgbe_dcb_nl.c @@ -37,7 +37,6 @@ #define BIT_PG_RX 0x04 #define BIT_PG_TX 0x08 #define BIT_APP_UPCHG 0x10 -#define BIT_RESETLINK 0x40 #define BIT_LINKSPEED 0x80 /* Responses for the DCB_C_SET_ALL command */ @@ -225,10 +224,8 @@ static void ixgbe_dcbnl_set_pg_tc_cfg_tx(struct net_device *netdev, int tc, (adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_percent != adapter->dcb_cfg.tc_config[tc].path[0].bwg_percent) || (adapter->temp_dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap != - adapter->dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap)) { + adapter->dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap)) adapter->dcb_set_bitmap |= BIT_PG_TX; - adapter->dcb_set_bitmap |= BIT_RESETLINK; - } } static void ixgbe_dcbnl_set_pg_bwg_cfg_tx(struct net_device *netdev, int bwg_id, @@ -239,10 +236,8 @@ static void ixgbe_dcbnl_set_pg_bwg_cfg_tx(struct net_device *netdev, int bwg_id, adapter->temp_dcb_cfg.bw_percentage[0][bwg_id] = bw_pct; if (adapter->temp_dcb_cfg.bw_percentage[0][bwg_id] != - adapter->dcb_cfg.bw_percentage[0][bwg_id]) { + adapter->dcb_cfg.bw_percentage[0][bwg_id]) adapter->dcb_set_bitmap |= BIT_PG_TX; - adapter->dcb_set_bitmap |= BIT_RESETLINK; - } } static void ixgbe_dcbnl_set_pg_tc_cfg_rx(struct net_device *netdev, int tc, @@ -269,10 +264,8 @@ static void ixgbe_dcbnl_set_pg_tc_cfg_rx(struct net_device *netdev, int tc, (adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_percent != adapter->dcb_cfg.tc_config[tc].path[1].bwg_percent) || (adapter->temp_dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap != - adapter->dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap)) { + adapter->dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap)) adapter->dcb_set_bitmap |= BIT_PG_RX; - adapter->dcb_set_bitmap |= BIT_RESETLINK; - } } static void ixgbe_dcbnl_set_pg_bwg_cfg_rx(struct net_device *netdev, int bwg_id, @@ -283,10 +276,8 @@ static void ixgbe_dcbnl_set_pg_bwg_cfg_rx(struct net_device *netdev, int bwg_id, adapter->temp_dcb_cfg.bw_percentage[1][bwg_id] = bw_pct; if (adapter->temp_dcb_cfg.bw_percentage[1][bwg_id] != - adapter->dcb_cfg.bw_percentage[1][bwg_id]) { + adapter->dcb_cfg.bw_percentage[1][bwg_id]) adapter->dcb_set_bitmap |= BIT_PG_RX; - adapter->dcb_set_bitmap |= BIT_RESETLINK; - } } static void ixgbe_dcbnl_get_pg_tc_cfg_tx(struct net_device *netdev, int tc, @@ -365,21 +356,17 @@ static u8 ixgbe_dcbnl_set_all(struct net_device *netdev) return DCB_NO_HW_CHG; /* - * Only take down the adapter if the configuration change - * requires a reset. + * Only take down the adapter if an app change occured. FCoE + * may shuffle tx rings in this case and this can not be done + * without a reset currently. */ - if (adapter->dcb_set_bitmap & BIT_RESETLINK) { + if (adapter->dcb_set_bitmap & BIT_APP_UPCHG) { while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state)) msleep(1); - if (adapter->dcb_set_bitmap & BIT_APP_UPCHG) { - if (netif_running(netdev)) - netdev->netdev_ops->ndo_stop(netdev); - ixgbe_clear_interrupt_scheme(adapter); - } else { - if (netif_running(netdev)) - ixgbe_down(adapter); - } + if (netif_running(netdev)) + netdev->netdev_ops->ndo_stop(netdev); + ixgbe_clear_interrupt_scheme(adapter); } if (adapter->dcb_cfg.pfc_mode_enable) { @@ -408,29 +395,51 @@ static u8 ixgbe_dcbnl_set_all(struct net_device *netdev) } } - if (adapter->dcb_set_bitmap & BIT_RESETLINK) { - if (adapter->dcb_set_bitmap & BIT_APP_UPCHG) { - ixgbe_init_interrupt_scheme(adapter); - if (netif_running(netdev)) - netdev->netdev_ops->ndo_open(netdev); - } else { - if (netif_running(netdev)) - ixgbe_up(adapter); - } + if (adapter->dcb_set_bitmap & BIT_APP_UPCHG) { + ixgbe_init_interrupt_scheme(adapter); + if (netif_running(netdev)) + netdev->netdev_ops->ndo_open(netdev); ret = DCB_HW_CHG_RST; - } else if (adapter->dcb_set_bitmap & BIT_PFC) { - if (adapter->hw.mac.type == ixgbe_mac_82598EB) - ixgbe_dcb_config_pfc_82598(&adapter->hw, - &adapter->dcb_cfg); - else if (adapter->hw.mac.type == ixgbe_mac_82599EB) - ixgbe_dcb_config_pfc_82599(&adapter->hw, - &adapter->dcb_cfg); + } + + if (adapter->dcb_set_bitmap & BIT_PFC) { + u8 pfc_en; + ixgbe_dcb_unpack_pfc(&adapter->dcb_cfg, &pfc_en); + ixgbe_dcb_hw_pfc_config(&adapter->hw, pfc_en); ret = DCB_HW_CHG; } + + if (adapter->dcb_set_bitmap & (BIT_PG_TX|BIT_PG_RX)) { + u16 refill[MAX_TRAFFIC_CLASS], max[MAX_TRAFFIC_CLASS]; + u8 bwg_id[MAX_TRAFFIC_CLASS], prio_type[MAX_TRAFFIC_CLASS]; + int max_frame = adapter->netdev->mtu + ETH_HLEN + ETH_FCS_LEN; + +#ifdef CONFIG_FCOE + if (adapter->netdev->features & NETIF_F_FCOE_MTU) + max_frame = max(max_frame, IXGBE_FCOE_JUMBO_FRAME_SIZE); +#endif + + ixgbe_dcb_calculate_tc_credits(&adapter->hw, &adapter->dcb_cfg, + max_frame, DCB_TX_CONFIG); + ixgbe_dcb_calculate_tc_credits(&adapter->hw, &adapter->dcb_cfg, + max_frame, DCB_RX_CONFIG); + + ixgbe_dcb_unpack_refill(&adapter->dcb_cfg, + DCB_TX_CONFIG, refill); + ixgbe_dcb_unpack_max(&adapter->dcb_cfg, max); + ixgbe_dcb_unpack_bwgid(&adapter->dcb_cfg, + DCB_TX_CONFIG, bwg_id); + ixgbe_dcb_unpack_prio(&adapter->dcb_cfg, + DCB_TX_CONFIG, prio_type); + + ixgbe_dcb_hw_ets_config(&adapter->hw, refill, max, + bwg_id, prio_type); + } + if (adapter->dcb_cfg.pfc_mode_enable) adapter->hw.fc.current_mode = ixgbe_fc_pfc; - if (adapter->dcb_set_bitmap & BIT_RESETLINK) + if (adapter->dcb_set_bitmap & BIT_APP_UPCHG) clear_bit(__IXGBE_RESETTING, &adapter->state); adapter->dcb_set_bitmap = 0x00; return ret; @@ -568,18 +577,29 @@ static u8 ixgbe_dcbnl_setapp(struct net_device *netdev, case DCB_APP_IDTYPE_ETHTYPE: #ifdef IXGBE_FCOE if (id == ETH_P_FCOE) { - u8 tc; - struct ixgbe_adapter *adapter; + u8 old_tc; + struct ixgbe_adapter *adapter = netdev_priv(netdev); - adapter = netdev_priv(netdev); - tc = adapter->fcoe.tc; + /* Get current programmed tc */ + old_tc = adapter->fcoe.tc; rval = ixgbe_fcoe_setapp(adapter, up); - if ((!rval) && (tc != adapter->fcoe.tc) && - (adapter->flags & IXGBE_FLAG_DCB_ENABLED) && - (adapter->flags & IXGBE_FLAG_FCOE_ENABLED)) { + + if (rval || + !(adapter->flags & IXGBE_FLAG_DCB_ENABLED) || + !(adapter->flags & IXGBE_FLAG_FCOE_ENABLED)) + break; + + /* The FCoE application priority may be changed multiple + * times in quick sucession with switches that build up + * TLVs. To avoid creating uneeded device resets this + * checks the actual HW configuration and clears + * BIT_APP_UPCHG if a HW configuration change is not + * need + */ + if (old_tc == adapter->fcoe.tc) + adapter->dcb_set_bitmap &= ~BIT_APP_UPCHG; + else adapter->dcb_set_bitmap |= BIT_APP_UPCHG; - adapter->dcb_set_bitmap |= BIT_RESETLINK; - } } #endif break; @@ -591,7 +611,98 @@ static u8 ixgbe_dcbnl_setapp(struct net_device *netdev, return rval; } +static int ixgbe_dcbnl_ieee_getets(struct net_device *dev, + struct ieee_ets *ets) +{ + struct ixgbe_adapter *adapter = netdev_priv(dev); + struct ieee_ets *my_ets = adapter->ixgbe_ieee_ets; + + /* No IEEE PFC settings available */ + if (!my_ets) + return -EINVAL; + + ets->ets_cap = MAX_TRAFFIC_CLASS; + ets->cbs = my_ets->cbs; + memcpy(ets->tc_tx_bw, my_ets->tc_tx_bw, sizeof(ets->tc_tx_bw)); + memcpy(ets->tc_rx_bw, my_ets->tc_rx_bw, sizeof(ets->tc_rx_bw)); + memcpy(ets->tc_tsa, my_ets->tc_tsa, sizeof(ets->tc_tsa)); + memcpy(ets->prio_tc, my_ets->prio_tc, sizeof(ets->prio_tc)); + return 0; +} + +static int ixgbe_dcbnl_ieee_setets(struct net_device *dev, + struct ieee_ets *ets) +{ + struct ixgbe_adapter *adapter = netdev_priv(dev); + __u16 refill[IEEE_8021QAZ_MAX_TCS], max[IEEE_8021QAZ_MAX_TCS]; + int max_frame = dev->mtu + ETH_HLEN + ETH_FCS_LEN; + int err; + /* naively give each TC a bwg to map onto CEE hardware */ + __u8 bwg_id[IEEE_8021QAZ_MAX_TCS] = {0, 1, 2, 3, 4, 5, 6, 7}; + + if (!adapter->ixgbe_ieee_ets) { + adapter->ixgbe_ieee_ets = kmalloc(sizeof(struct ieee_ets), + GFP_KERNEL); + if (!adapter->ixgbe_ieee_ets) + return -ENOMEM; + } + + + memcpy(adapter->ixgbe_ieee_ets, ets, sizeof(*adapter->ixgbe_ieee_ets)); + + ixgbe_ieee_credits(ets->tc_tx_bw, refill, max, max_frame); + err = ixgbe_dcb_hw_ets_config(&adapter->hw, refill, max, + bwg_id, ets->tc_tsa); + return err; +} + +static int ixgbe_dcbnl_ieee_getpfc(struct net_device *dev, + struct ieee_pfc *pfc) +{ + struct ixgbe_adapter *adapter = netdev_priv(dev); + struct ieee_pfc *my_pfc = adapter->ixgbe_ieee_pfc; + int i; + + /* No IEEE PFC settings available */ + if (!my_pfc) + return -EINVAL; + + pfc->pfc_cap = MAX_TRAFFIC_CLASS; + pfc->pfc_en = my_pfc->pfc_en; + pfc->mbc = my_pfc->mbc; + pfc->delay = my_pfc->delay; + + for (i = 0; i < MAX_TRAFFIC_CLASS; i++) { + pfc->requests[i] = adapter->stats.pxoffrxc[i]; + pfc->indications[i] = adapter->stats.pxofftxc[i]; + } + + return 0; +} + +static int ixgbe_dcbnl_ieee_setpfc(struct net_device *dev, + struct ieee_pfc *pfc) +{ + struct ixgbe_adapter *adapter = netdev_priv(dev); + int err; + + if (!adapter->ixgbe_ieee_pfc) { + adapter->ixgbe_ieee_pfc = kmalloc(sizeof(struct ieee_pfc), + GFP_KERNEL); + if (!adapter->ixgbe_ieee_pfc) + return -ENOMEM; + } + + memcpy(adapter->ixgbe_ieee_pfc, pfc, sizeof(*adapter->ixgbe_ieee_pfc)); + err = ixgbe_dcb_hw_pfc_config(&adapter->hw, pfc->pfc_en); + return err; +} + const struct dcbnl_rtnl_ops dcbnl_ops = { + .ieee_getets = ixgbe_dcbnl_ieee_getets, + .ieee_setets = ixgbe_dcbnl_ieee_setets, + .ieee_getpfc = ixgbe_dcbnl_ieee_getpfc, + .ieee_setpfc = ixgbe_dcbnl_ieee_setpfc, .getstate = ixgbe_dcbnl_get_state, .setstate = ixgbe_dcbnl_set_state, .getpermhwaddr = ixgbe_dcbnl_get_perm_hw_addr, diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c index 2002ea8..309272f8 100644 --- a/drivers/net/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ixgbe/ixgbe_ethtool.c @@ -152,7 +152,17 @@ static int ixgbe_get_settings(struct net_device *netdev, ecmd->supported |= (SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg); + switch (hw->mac.type) { + case ixgbe_mac_X540: + ecmd->supported |= SUPPORTED_100baseT_Full; + break; + default: + break; + } + ecmd->advertising = ADVERTISED_Autoneg; + if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_100_FULL) + ecmd->advertising |= ADVERTISED_100baseT_Full; if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL) ecmd->advertising |= ADVERTISED_10000baseT_Full; if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL) @@ -167,6 +177,15 @@ static int ixgbe_get_settings(struct net_device *netdev, ecmd->advertising |= (ADVERTISED_10000baseT_Full | ADVERTISED_1000baseT_Full); + switch (hw->mac.type) { + case ixgbe_mac_X540: + if (!(ecmd->advertising & ADVERTISED_100baseT_Full)) + ecmd->advertising |= (ADVERTISED_100baseT_Full); + break; + default: + break; + } + if (hw->phy.media_type == ixgbe_media_type_copper) { ecmd->supported |= SUPPORTED_TP; ecmd->advertising |= ADVERTISED_TP; @@ -271,8 +290,19 @@ static int ixgbe_get_settings(struct net_device *netdev, hw->mac.ops.check_link(hw, &link_speed, &link_up, false); if (link_up) { - ecmd->speed = (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ? - SPEED_10000 : SPEED_1000; + switch (link_speed) { + case IXGBE_LINK_SPEED_10GB_FULL: + ecmd->speed = SPEED_10000; + break; + case IXGBE_LINK_SPEED_1GB_FULL: + ecmd->speed = SPEED_1000; + break; + case IXGBE_LINK_SPEED_100_FULL: + ecmd->speed = SPEED_100; + break; + default: + break; + } ecmd->duplex = DUPLEX_FULL; } else { ecmd->speed = -1; diff --git a/drivers/net/ixgbe/ixgbe_fcoe.c b/drivers/net/ixgbe/ixgbe_fcoe.c index 8753980..c54a882 100644 --- a/drivers/net/ixgbe/ixgbe_fcoe.c +++ b/drivers/net/ixgbe/ixgbe_fcoe.c @@ -159,7 +159,7 @@ int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid, struct scatterlist *sg; unsigned int i, j, dmacount; unsigned int len; - static const unsigned int bufflen = 4096; + static const unsigned int bufflen = IXGBE_FCBUFF_MIN; unsigned int firstoff = 0; unsigned int lastsize; unsigned int thisoff = 0; @@ -254,6 +254,24 @@ int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid, /* only the last buffer may have non-full bufflen */ lastsize = thisoff + thislen; + /* + * lastsize can not be buffer len. + * If it is then adding another buffer with lastsize = 1. + */ + if (lastsize == bufflen) { + if (j >= IXGBE_BUFFCNT_MAX) { + e_err(drv, "xid=%x:%d,%d,%d:addr=%llx " + "not enough user buffers. We need an extra " + "buffer because lastsize is bufflen.\n", + xid, i, j, dmacount, (u64)addr); + goto out_noddp_free; + } + + ddp->udl[j] = (u64)(fcoe->extra_ddp_buffer_dma); + j++; + lastsize = 1; + } + fcbuff = (IXGBE_FCBUFF_4KB << IXGBE_FCBUFF_BUFFSIZE_SHIFT); fcbuff |= ((j & 0xff) << IXGBE_FCBUFF_BUFFCNT_SHIFT); fcbuff |= (firstoff << IXGBE_FCBUFF_OFFSET_SHIFT); @@ -532,6 +550,24 @@ void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter) e_err(drv, "failed to allocated FCoE DDP pool\n"); spin_lock_init(&fcoe->lock); + + /* Extra buffer to be shared by all DDPs for HW work around */ + fcoe->extra_ddp_buffer = kmalloc(IXGBE_FCBUFF_MIN, GFP_ATOMIC); + if (fcoe->extra_ddp_buffer == NULL) { + e_err(drv, "failed to allocated extra DDP buffer\n"); + goto out_extra_ddp_buffer_alloc; + } + + fcoe->extra_ddp_buffer_dma = + dma_map_single(&adapter->pdev->dev, + fcoe->extra_ddp_buffer, + IXGBE_FCBUFF_MIN, + DMA_FROM_DEVICE); + if (dma_mapping_error(&adapter->pdev->dev, + fcoe->extra_ddp_buffer_dma)) { + e_err(drv, "failed to map extra DDP buffer\n"); + goto out_extra_ddp_buffer_dma; + } } /* Enable L2 eth type filter for FCoE */ @@ -581,6 +617,14 @@ void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter) } } #endif + + return; + +out_extra_ddp_buffer_dma: + kfree(fcoe->extra_ddp_buffer); +out_extra_ddp_buffer_alloc: + pci_pool_destroy(fcoe->pool); + fcoe->pool = NULL; } /** @@ -600,6 +644,11 @@ void ixgbe_cleanup_fcoe(struct ixgbe_adapter *adapter) if (fcoe->pool) { for (i = 0; i < IXGBE_FCOE_DDP_MAX; i++) ixgbe_fcoe_ddp_put(adapter->netdev, i); + dma_unmap_single(&adapter->pdev->dev, + fcoe->extra_ddp_buffer_dma, + IXGBE_FCBUFF_MIN, + DMA_FROM_DEVICE); + kfree(fcoe->extra_ddp_buffer); pci_pool_destroy(fcoe->pool); fcoe->pool = NULL; } diff --git a/drivers/net/ixgbe/ixgbe_fcoe.h b/drivers/net/ixgbe/ixgbe_fcoe.h index 4bc2c55..65cc8fb 100644 --- a/drivers/net/ixgbe/ixgbe_fcoe.h +++ b/drivers/net/ixgbe/ixgbe_fcoe.h @@ -70,6 +70,8 @@ struct ixgbe_fcoe { spinlock_t lock; struct pci_pool *pool; struct ixgbe_fcoe_ddp ddp[IXGBE_FCOE_DDP_MAX]; + unsigned char *extra_ddp_buffer; + dma_addr_t extra_ddp_buffer_dma; }; #endif /* _IXGBE_FCOE_H */ diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index fbae703..eca762d 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -648,7 +648,7 @@ void ixgbe_unmap_and_free_tx_resource(struct ixgbe_ring *tx_ring, * * Returns : a tc index for use in range 0-7, or 0-3 */ -u8 ixgbe_dcb_txq_to_tc(struct ixgbe_adapter *adapter, u8 reg_idx) +static u8 ixgbe_dcb_txq_to_tc(struct ixgbe_adapter *adapter, u8 reg_idx) { int tc = -1; int dcb_i = adapter->ring_feature[RING_F_DCB].indices; @@ -3728,7 +3728,8 @@ static void ixgbe_sfp_link_config(struct ixgbe_adapter *adapter) * We need to try and force an autonegotiation * session, then bring up link. */ - hw->mac.ops.setup_sfp(hw); + if (hw->mac.ops.setup_sfp) + hw->mac.ops.setup_sfp(hw); if (!(adapter->flags & IXGBE_FLAG_IN_SFP_LINK_TASK)) schedule_work(&adapter->multispeed_fiber_task); } else { @@ -5173,7 +5174,6 @@ static int __devinit ixgbe_sw_init(struct ixgbe_adapter *adapter) adapter->dcb_cfg.bw_percentage[DCB_RX_CONFIG][0] = 100; adapter->dcb_cfg.rx_pba_cfg = pba_equal; adapter->dcb_cfg.pfc_mode_enable = false; - adapter->dcb_cfg.round_robin_enable = false; adapter->dcb_set_bitmap = 0x00; ixgbe_copy_dcb_cfg(&adapter->dcb_cfg, &adapter->temp_dcb_cfg, adapter->ring_feature[RING_F_DCB].indices); @@ -5610,6 +5610,10 @@ static int __ixgbe_shutdown(struct pci_dev *pdev, bool *enable_wake) } ixgbe_clear_interrupt_scheme(adapter); +#ifdef CONFIG_DCB + kfree(adapter->ixgbe_ieee_pfc); + kfree(adapter->ixgbe_ieee_ets); +#endif #ifdef CONFIG_PM retval = pci_save_state(pdev); @@ -5968,7 +5972,8 @@ static void ixgbe_sfp_config_module_task(struct work_struct *work) unregister_netdev(adapter->netdev); return; } - hw->mac.ops.setup_sfp(hw); + if (hw->mac.ops.setup_sfp) + hw->mac.ops.setup_sfp(hw); if (!(adapter->flags & IXGBE_FLAG_IN_SFP_LINK_TASK)) /* This will also work for DA Twinax connections */ @@ -6099,7 +6104,10 @@ static void ixgbe_watchdog_task(struct work_struct *work) (link_speed == IXGBE_LINK_SPEED_10GB_FULL ? "10 Gbps" : (link_speed == IXGBE_LINK_SPEED_1GB_FULL ? - "1 Gbps" : "unknown speed")), + "1 Gbps" : + (link_speed == IXGBE_LINK_SPEED_100_FULL ? + "100 Mbps" : + "unknown speed"))), ((flow_rx && flow_tx) ? "RX/TX" : (flow_rx ? "RX" : (flow_tx ? "TX" : "None")))); @@ -7704,16 +7712,6 @@ static int ixgbe_notify_dca(struct notifier_block *nb, unsigned long event, #endif /* CONFIG_IXGBE_DCA */ -/** - * ixgbe_get_hw_dev return device - * used by hardware layer to print debugging information - **/ -struct net_device *ixgbe_get_hw_dev(struct ixgbe_hw *hw) -{ - struct ixgbe_adapter *adapter = hw->back; - return adapter->netdev; -} - module_exit(ixgbe_exit_module); /* ixgbe_main.c */ diff --git a/drivers/net/ixgbe/ixgbe_mbx.c b/drivers/net/ixgbe/ixgbe_mbx.c index ea82c5a..f215c4c 100644 --- a/drivers/net/ixgbe/ixgbe_mbx.c +++ b/drivers/net/ixgbe/ixgbe_mbx.c @@ -437,6 +437,7 @@ out_no_read: return ret_val; } +#ifdef CONFIG_PCI_IOV /** * ixgbe_init_mbx_params_pf - set initial values for pf mailbox * @hw: pointer to the HW structure @@ -465,6 +466,7 @@ void ixgbe_init_mbx_params_pf(struct ixgbe_hw *hw) break; } } +#endif /* CONFIG_PCI_IOV */ struct ixgbe_mbx_operations mbx_ops_generic = { .read = ixgbe_read_mbx_pf, diff --git a/drivers/net/ixgbe/ixgbe_mbx.h b/drivers/net/ixgbe/ixgbe_mbx.h index 3df9b15..ada0ce3 100644 --- a/drivers/net/ixgbe/ixgbe_mbx.h +++ b/drivers/net/ixgbe/ixgbe_mbx.h @@ -86,7 +86,9 @@ s32 ixgbe_write_mbx(struct ixgbe_hw *, u32 *, u16, u16); s32 ixgbe_check_for_msg(struct ixgbe_hw *, u16); s32 ixgbe_check_for_ack(struct ixgbe_hw *, u16); s32 ixgbe_check_for_rst(struct ixgbe_hw *, u16); +#ifdef CONFIG_PCI_IOV void ixgbe_init_mbx_params_pf(struct ixgbe_hw *); +#endif /* CONFIG_PCI_IOV */ extern struct ixgbe_mbx_operations mbx_ops_generic; diff --git a/drivers/net/jme.c b/drivers/net/jme.c index e97ebef..5b441b7 100644 --- a/drivers/net/jme.c +++ b/drivers/net/jme.c @@ -161,6 +161,67 @@ jme_setup_wakeup_frame(struct jme_adapter *jme, } static inline void +jme_mac_rxclk_off(struct jme_adapter *jme) +{ + jme->reg_gpreg1 |= GPREG1_RXCLKOFF; + jwrite32f(jme, JME_GPREG1, jme->reg_gpreg1); +} + +static inline void +jme_mac_rxclk_on(struct jme_adapter *jme) +{ + jme->reg_gpreg1 &= ~GPREG1_RXCLKOFF; + jwrite32f(jme, JME_GPREG1, jme->reg_gpreg1); +} + +static inline void +jme_mac_txclk_off(struct jme_adapter *jme) +{ + jme->reg_ghc &= ~(GHC_TO_CLK_SRC | GHC_TXMAC_CLK_SRC); + jwrite32f(jme, JME_GHC, jme->reg_ghc); +} + +static inline void +jme_mac_txclk_on(struct jme_adapter *jme) +{ + u32 speed = jme->reg_ghc & GHC_SPEED; + if (speed == GHC_SPEED_1000M) + jme->reg_ghc |= GHC_TO_CLK_GPHY | GHC_TXMAC_CLK_GPHY; + else + jme->reg_ghc |= GHC_TO_CLK_PCIE | GHC_TXMAC_CLK_PCIE; + jwrite32f(jme, JME_GHC, jme->reg_ghc); +} + +static inline void +jme_reset_ghc_speed(struct jme_adapter *jme) +{ + jme->reg_ghc &= ~(GHC_SPEED | GHC_DPX); + jwrite32f(jme, JME_GHC, jme->reg_ghc); +} + +static inline void +jme_reset_250A2_workaround(struct jme_adapter *jme) +{ + jme->reg_gpreg1 &= ~(GPREG1_HALFMODEPATCH | + GPREG1_RSSPATCH); + jwrite32(jme, JME_GPREG1, jme->reg_gpreg1); +} + +static inline void +jme_assert_ghc_reset(struct jme_adapter *jme) +{ + jme->reg_ghc |= GHC_SWRST; + jwrite32f(jme, JME_GHC, jme->reg_ghc); +} + +static inline void +jme_clear_ghc_reset(struct jme_adapter *jme) +{ + jme->reg_ghc &= ~GHC_SWRST; + jwrite32f(jme, JME_GHC, jme->reg_ghc); +} + +static inline void jme_reset_mac_processor(struct jme_adapter *jme) { static const u32 mask[WAKEUP_FRAME_MASK_DWNR] = {0, 0, 0, 0}; @@ -168,9 +229,24 @@ jme_reset_mac_processor(struct jme_adapter *jme) u32 gpreg0; int i; - jwrite32(jme, JME_GHC, jme->reg_ghc | GHC_SWRST); - udelay(2); - jwrite32(jme, JME_GHC, jme->reg_ghc); + jme_reset_ghc_speed(jme); + jme_reset_250A2_workaround(jme); + + jme_mac_rxclk_on(jme); + jme_mac_txclk_on(jme); + udelay(1); + jme_assert_ghc_reset(jme); + udelay(1); + jme_mac_rxclk_off(jme); + jme_mac_txclk_off(jme); + udelay(1); + jme_clear_ghc_reset(jme); + udelay(1); + jme_mac_rxclk_on(jme); + jme_mac_txclk_on(jme); + udelay(1); + jme_mac_rxclk_off(jme); + jme_mac_txclk_off(jme); jwrite32(jme, JME_RXDBA_LO, 0x00000000); jwrite32(jme, JME_RXDBA_HI, 0x00000000); @@ -190,14 +266,6 @@ jme_reset_mac_processor(struct jme_adapter *jme) else gpreg0 = GPREG0_DEFAULT; jwrite32(jme, JME_GPREG0, gpreg0); - jwrite32(jme, JME_GPREG1, GPREG1_DEFAULT); -} - -static inline void -jme_reset_ghc_speed(struct jme_adapter *jme) -{ - jme->reg_ghc &= ~(GHC_SPEED_1000M | GHC_DPX); - jwrite32(jme, JME_GHC, jme->reg_ghc); } static inline void @@ -336,13 +404,13 @@ jme_linkstat_from_phy(struct jme_adapter *jme) } static inline void -jme_set_phyfifoa(struct jme_adapter *jme) +jme_set_phyfifo_5level(struct jme_adapter *jme) { jme_mdio_write(jme->dev, jme->mii_if.phy_id, 27, 0x0004); } static inline void -jme_set_phyfifob(struct jme_adapter *jme) +jme_set_phyfifo_8level(struct jme_adapter *jme) { jme_mdio_write(jme->dev, jme->mii_if.phy_id, 27, 0x0000); } @@ -351,7 +419,7 @@ static int jme_check_link(struct net_device *netdev, int testonly) { struct jme_adapter *jme = netdev_priv(netdev); - u32 phylink, ghc, cnt = JME_SPDRSV_TIMEOUT, bmcr, gpreg1; + u32 phylink, cnt = JME_SPDRSV_TIMEOUT, bmcr; char linkmsg[64]; int rc = 0; @@ -414,23 +482,21 @@ jme_check_link(struct net_device *netdev, int testonly) jme->phylink = phylink; - ghc = jme->reg_ghc & ~(GHC_SPEED | GHC_DPX | - GHC_TO_CLK_PCIE | GHC_TXMAC_CLK_PCIE | - GHC_TO_CLK_GPHY | GHC_TXMAC_CLK_GPHY); + /* + * The speed/duplex setting of jme->reg_ghc already cleared + * by jme_reset_mac_processor() + */ switch (phylink & PHY_LINK_SPEED_MASK) { case PHY_LINK_SPEED_10M: - ghc |= GHC_SPEED_10M | - GHC_TO_CLK_PCIE | GHC_TXMAC_CLK_PCIE; + jme->reg_ghc |= GHC_SPEED_10M; strcat(linkmsg, "10 Mbps, "); break; case PHY_LINK_SPEED_100M: - ghc |= GHC_SPEED_100M | - GHC_TO_CLK_PCIE | GHC_TXMAC_CLK_PCIE; + jme->reg_ghc |= GHC_SPEED_100M; strcat(linkmsg, "100 Mbps, "); break; case PHY_LINK_SPEED_1000M: - ghc |= GHC_SPEED_1000M | - GHC_TO_CLK_GPHY | GHC_TXMAC_CLK_GPHY; + jme->reg_ghc |= GHC_SPEED_1000M; strcat(linkmsg, "1000 Mbps, "); break; default: @@ -439,42 +505,40 @@ jme_check_link(struct net_device *netdev, int testonly) if (phylink & PHY_LINK_DUPLEX) { jwrite32(jme, JME_TXMCS, TXMCS_DEFAULT); - ghc |= GHC_DPX; + jwrite32(jme, JME_TXTRHD, TXTRHD_FULLDUPLEX); + jme->reg_ghc |= GHC_DPX; } else { jwrite32(jme, JME_TXMCS, TXMCS_DEFAULT | TXMCS_BACKOFF | TXMCS_CARRIERSENSE | TXMCS_COLLISION); - jwrite32(jme, JME_TXTRHD, TXTRHD_TXPEN | - ((0x2000 << TXTRHD_TXP_SHIFT) & TXTRHD_TXP) | - TXTRHD_TXREN | - ((8 << TXTRHD_TXRL_SHIFT) & TXTRHD_TXRL)); + jwrite32(jme, JME_TXTRHD, TXTRHD_HALFDUPLEX); } - gpreg1 = GPREG1_DEFAULT; + jwrite32(jme, JME_GHC, jme->reg_ghc); + if (is_buggy250(jme->pdev->device, jme->chiprev)) { + jme->reg_gpreg1 &= ~(GPREG1_HALFMODEPATCH | + GPREG1_RSSPATCH); if (!(phylink & PHY_LINK_DUPLEX)) - gpreg1 |= GPREG1_HALFMODEPATCH; + jme->reg_gpreg1 |= GPREG1_HALFMODEPATCH; switch (phylink & PHY_LINK_SPEED_MASK) { case PHY_LINK_SPEED_10M: - jme_set_phyfifoa(jme); - gpreg1 |= GPREG1_RSSPATCH; + jme_set_phyfifo_8level(jme); + jme->reg_gpreg1 |= GPREG1_RSSPATCH; break; case PHY_LINK_SPEED_100M: - jme_set_phyfifob(jme); - gpreg1 |= GPREG1_RSSPATCH; + jme_set_phyfifo_5level(jme); + jme->reg_gpreg1 |= GPREG1_RSSPATCH; break; case PHY_LINK_SPEED_1000M: - jme_set_phyfifoa(jme); + jme_set_phyfifo_8level(jme); break; default: break; } } - - jwrite32(jme, JME_GPREG1, gpreg1); - jwrite32(jme, JME_GHC, ghc); - jme->reg_ghc = ghc; + jwrite32(jme, JME_GPREG1, jme->reg_gpreg1); strcat(linkmsg, (phylink & PHY_LINK_DUPLEX) ? "Full-Duplex, " : @@ -613,10 +677,14 @@ jme_enable_tx_engine(struct jme_adapter *jme) * Enable TX Engine */ wmb(); - jwrite32(jme, JME_TXCS, jme->reg_txcs | + jwrite32f(jme, JME_TXCS, jme->reg_txcs | TXCS_SELECT_QUEUE0 | TXCS_ENABLE); + /* + * Start clock for TX MAC Processor + */ + jme_mac_txclk_on(jme); } static inline void @@ -651,6 +719,11 @@ jme_disable_tx_engine(struct jme_adapter *jme) if (!i) pr_err("Disable TX engine timeout\n"); + + /* + * Stop clock for TX MAC Processor + */ + jme_mac_txclk_off(jme); } static void @@ -825,16 +898,22 @@ jme_enable_rx_engine(struct jme_adapter *jme) /* * Setup Unicast Filter */ + jme_set_unicastaddr(jme->dev); jme_set_multi(jme->dev); /* * Enable RX Engine */ wmb(); - jwrite32(jme, JME_RXCS, jme->reg_rxcs | + jwrite32f(jme, JME_RXCS, jme->reg_rxcs | RXCS_QUEUESEL_Q0 | RXCS_ENABLE | RXCS_QST); + + /* + * Start clock for RX MAC Processor + */ + jme_mac_rxclk_on(jme); } static inline void @@ -871,10 +950,40 @@ jme_disable_rx_engine(struct jme_adapter *jme) if (!i) pr_err("Disable RX engine timeout\n"); + /* + * Stop clock for RX MAC Processor + */ + jme_mac_rxclk_off(jme); +} + +static u16 +jme_udpsum(struct sk_buff *skb) +{ + u16 csum = 0xFFFFu; + + if (skb->len < (ETH_HLEN + sizeof(struct iphdr))) + return csum; + if (skb->protocol != htons(ETH_P_IP)) + return csum; + skb_set_network_header(skb, ETH_HLEN); + if ((ip_hdr(skb)->protocol != IPPROTO_UDP) || + (skb->len < (ETH_HLEN + + (ip_hdr(skb)->ihl << 2) + + sizeof(struct udphdr)))) { + skb_reset_network_header(skb); + return csum; + } + skb_set_transport_header(skb, + ETH_HLEN + (ip_hdr(skb)->ihl << 2)); + csum = udp_hdr(skb)->check; + skb_reset_transport_header(skb); + skb_reset_network_header(skb); + + return csum; } static int -jme_rxsum_ok(struct jme_adapter *jme, u16 flags) +jme_rxsum_ok(struct jme_adapter *jme, u16 flags, struct sk_buff *skb) { if (!(flags & (RXWBFLAG_TCPON | RXWBFLAG_UDPON | RXWBFLAG_IPV4))) return false; @@ -887,7 +996,7 @@ jme_rxsum_ok(struct jme_adapter *jme, u16 flags) } if (unlikely((flags & (RXWBFLAG_MF | RXWBFLAG_UDPON | RXWBFLAG_UDPCS)) - == RXWBFLAG_UDPON)) { + == RXWBFLAG_UDPON) && jme_udpsum(skb)) { if (flags & RXWBFLAG_IPV4) netif_err(jme, rx_err, jme->dev, "UDP Checksum error\n"); return false; @@ -935,7 +1044,7 @@ jme_alloc_and_feed_skb(struct jme_adapter *jme, int idx) skb_put(skb, framesize); skb->protocol = eth_type_trans(skb, jme->dev); - if (jme_rxsum_ok(jme, le16_to_cpu(rxdesc->descwb.flags))) + if (jme_rxsum_ok(jme, le16_to_cpu(rxdesc->descwb.flags), skb)) skb->ip_summed = CHECKSUM_UNNECESSARY; else skb_checksum_none_assert(skb); @@ -1207,7 +1316,6 @@ jme_link_change_tasklet(unsigned long arg) tasklet_disable(&jme->rxempty_task); if (netif_carrier_ok(netdev)) { - jme_reset_ghc_speed(jme); jme_disable_rx_engine(jme); jme_disable_tx_engine(jme); jme_reset_mac_processor(jme); @@ -1577,6 +1685,38 @@ jme_free_irq(struct jme_adapter *jme) } static inline void +jme_new_phy_on(struct jme_adapter *jme) +{ + u32 reg; + + reg = jread32(jme, JME_PHY_PWR); + reg &= ~(PHY_PWR_DWN1SEL | PHY_PWR_DWN1SW | + PHY_PWR_DWN2 | PHY_PWR_CLKSEL); + jwrite32(jme, JME_PHY_PWR, reg); + + pci_read_config_dword(jme->pdev, PCI_PRIV_PE1, ®); + reg &= ~PE1_GPREG0_PBG; + reg |= PE1_GPREG0_ENBG; + pci_write_config_dword(jme->pdev, PCI_PRIV_PE1, reg); +} + +static inline void +jme_new_phy_off(struct jme_adapter *jme) +{ + u32 reg; + + reg = jread32(jme, JME_PHY_PWR); + reg |= PHY_PWR_DWN1SEL | PHY_PWR_DWN1SW | + PHY_PWR_DWN2 | PHY_PWR_CLKSEL; + jwrite32(jme, JME_PHY_PWR, reg); + + pci_read_config_dword(jme->pdev, PCI_PRIV_PE1, ®); + reg &= ~PE1_GPREG0_PBG; + reg |= PE1_GPREG0_PDD3COLD; + pci_write_config_dword(jme->pdev, PCI_PRIV_PE1, reg); +} + +static inline void jme_phy_on(struct jme_adapter *jme) { u32 bmcr; @@ -1584,6 +1724,22 @@ jme_phy_on(struct jme_adapter *jme) bmcr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMCR); bmcr &= ~BMCR_PDOWN; jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, bmcr); + + if (new_phy_power_ctrl(jme->chip_main_rev)) + jme_new_phy_on(jme); +} + +static inline void +jme_phy_off(struct jme_adapter *jme) +{ + u32 bmcr; + + bmcr = jme_mdio_read(jme->dev, jme->mii_if.phy_id, MII_BMCR); + bmcr |= BMCR_PDOWN; + jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, bmcr); + + if (new_phy_power_ctrl(jme->chip_main_rev)) + jme_new_phy_off(jme); } static int @@ -1606,12 +1762,11 @@ jme_open(struct net_device *netdev) jme_start_irq(jme); - if (test_bit(JME_FLAG_SSET, &jme->flags)) { - jme_phy_on(jme); + jme_phy_on(jme); + if (test_bit(JME_FLAG_SSET, &jme->flags)) jme_set_settings(netdev, &jme->old_ecmd); - } else { + else jme_reset_phy_processor(jme); - } jme_reset_link(jme); @@ -1657,12 +1812,6 @@ jme_wait_link(struct jme_adapter *jme) } } -static inline void -jme_phy_off(struct jme_adapter *jme) -{ - jme_mdio_write(jme->dev, jme->mii_if.phy_id, MII_BMCR, BMCR_PDOWN); -} - static void jme_powersave_phy(struct jme_adapter *jme) { @@ -1696,7 +1845,6 @@ jme_close(struct net_device *netdev) tasklet_disable(&jme->rxclean_task); tasklet_disable(&jme->rxempty_task); - jme_reset_ghc_speed(jme); jme_disable_rx_engine(jme); jme_disable_tx_engine(jme); jme_reset_mac_processor(jme); @@ -1993,27 +2141,34 @@ jme_start_xmit(struct sk_buff *skb, struct net_device *netdev) return NETDEV_TX_OK; } +static void +jme_set_unicastaddr(struct net_device *netdev) +{ + struct jme_adapter *jme = netdev_priv(netdev); + u32 val; + + val = (netdev->dev_addr[3] & 0xff) << 24 | + (netdev->dev_addr[2] & 0xff) << 16 | + (netdev->dev_addr[1] & 0xff) << 8 | + (netdev->dev_addr[0] & 0xff); + jwrite32(jme, JME_RXUMA_LO, val); + val = (netdev->dev_addr[5] & 0xff) << 8 | + (netdev->dev_addr[4] & 0xff); + jwrite32(jme, JME_RXUMA_HI, val); +} + static int jme_set_macaddr(struct net_device *netdev, void *p) { struct jme_adapter *jme = netdev_priv(netdev); struct sockaddr *addr = p; - u32 val; if (netif_running(netdev)) return -EBUSY; spin_lock_bh(&jme->macaddr_lock); memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); - - val = (addr->sa_data[3] & 0xff) << 24 | - (addr->sa_data[2] & 0xff) << 16 | - (addr->sa_data[1] & 0xff) << 8 | - (addr->sa_data[0] & 0xff); - jwrite32(jme, JME_RXUMA_LO, val); - val = (addr->sa_data[5] & 0xff) << 8 | - (addr->sa_data[4] & 0xff); - jwrite32(jme, JME_RXUMA_HI, val); + jme_set_unicastaddr(netdev); spin_unlock_bh(&jme->macaddr_lock); return 0; @@ -2731,6 +2886,8 @@ jme_check_hw_ver(struct jme_adapter *jme) jme->fpgaver = (chipmode & CM_FPGAVER_MASK) >> CM_FPGAVER_SHIFT; jme->chiprev = (chipmode & CM_CHIPREV_MASK) >> CM_CHIPREV_SHIFT; + jme->chip_main_rev = jme->chiprev & 0xF; + jme->chip_sub_rev = (jme->chiprev >> 4) & 0xF; } static const struct net_device_ops jme_netdev_ops = { @@ -2880,6 +3037,7 @@ jme_init_one(struct pci_dev *pdev, jme->reg_rxmcs = RXMCS_DEFAULT; jme->reg_txpfc = 0; jme->reg_pmcs = PMCS_MFEN; + jme->reg_gpreg1 = GPREG1_DEFAULT; set_bit(JME_FLAG_TXCSUM, &jme->flags); set_bit(JME_FLAG_TSO, &jme->flags); @@ -2936,8 +3094,8 @@ jme_init_one(struct pci_dev *pdev, jme->mii_if.mdio_write = jme_mdio_write; jme_clear_pm(jme); - jme_set_phyfifoa(jme); - pci_read_config_byte(pdev, PCI_REVISION_ID, &jme->rev); + jme_set_phyfifo_5level(jme); + pci_read_config_byte(pdev, PCI_REVISION_ID, &jme->pcirev); if (!jme->fpgaver) jme_phy_init(jme); jme_phy_off(jme); @@ -2964,14 +3122,14 @@ jme_init_one(struct pci_dev *pdev, goto err_out_unmap; } - netif_info(jme, probe, jme->dev, "%s%s ver:%x rev:%x macaddr:%pM\n", + netif_info(jme, probe, jme->dev, "%s%s chiprev:%x pcirev:%x macaddr:%pM\n", (jme->pdev->device == PCI_DEVICE_ID_JMICRON_JMC250) ? "JMC250 Gigabit Ethernet" : (jme->pdev->device == PCI_DEVICE_ID_JMICRON_JMC260) ? "JMC260 Fast Ethernet" : "Unknown", (jme->fpgaver != 0) ? " (FPGA)" : "", (jme->fpgaver != 0) ? jme->fpgaver : jme->chiprev, - jme->rev, netdev->dev_addr); + jme->pcirev, netdev->dev_addr); return 0; @@ -3035,7 +3193,6 @@ jme_suspend(struct pci_dev *pdev, pm_message_t state) jme_polling_mode(jme); jme_stop_pcc_timer(jme); - jme_reset_ghc_speed(jme); jme_disable_rx_engine(jme); jme_disable_tx_engine(jme); jme_reset_mac_processor(jme); @@ -3066,12 +3223,11 @@ jme_resume(struct pci_dev *pdev) jme_clear_pm(jme); pci_restore_state(pdev); - if (test_bit(JME_FLAG_SSET, &jme->flags)) { - jme_phy_on(jme); + jme_phy_on(jme); + if (test_bit(JME_FLAG_SSET, &jme->flags)) jme_set_settings(netdev, &jme->old_ecmd); - } else { + else jme_reset_phy_processor(jme); - } jme_start_irq(jme); netif_device_attach(netdev); diff --git a/drivers/net/jme.h b/drivers/net/jme.h index eac0926..8bf3045 100644 --- a/drivers/net/jme.h +++ b/drivers/net/jme.h @@ -26,7 +26,7 @@ #define __JME_H_INCLUDED__ #define DRV_NAME "jme" -#define DRV_VERSION "1.0.7" +#define DRV_VERSION "1.0.8" #define PFX DRV_NAME ": " #define PCI_DEVICE_ID_JMICRON_JMC250 0x0250 @@ -103,6 +103,37 @@ enum jme_spi_op_bits { #define HALF_US 500 /* 500 ns */ #define JMESPIIOCTL SIOCDEVPRIVATE +#define PCI_PRIV_PE1 0xE4 + +enum pci_priv_pe1_bit_masks { + PE1_ASPMSUPRT = 0x00000003, /* + * RW: + * Aspm_support[1:0] + * (R/W Port of 5C[11:10]) + */ + PE1_MULTIFUN = 0x00000004, /* RW: Multi_fun_bit */ + PE1_RDYDMA = 0x00000008, /* RO: ~link.rdy_for_dma */ + PE1_ASPMOPTL = 0x00000030, /* RW: link.rx10s_option[1:0] */ + PE1_ASPMOPTH = 0x000000C0, /* RW: 10_req=[3]?HW:[2] */ + PE1_GPREG0 = 0x0000FF00, /* + * SRW: + * Cfg_gp_reg0 + * [7:6] phy_giga BG control + * [5] CREQ_N as CREQ_N1 (CPPE# as CREQ#) + * [4:0] Reserved + */ + PE1_GPREG0_PBG = 0x0000C000, /* phy_giga BG control */ + PE1_GPREG1 = 0x00FF0000, /* RW: Cfg_gp_reg1 */ + PE1_REVID = 0xFF000000, /* RO: Rev ID */ +}; + +enum pci_priv_pe1_values { + PE1_GPREG0_ENBG = 0x00000000, /* en BG */ + PE1_GPREG0_PDD3COLD = 0x00004000, /* giga_PD + d3cold */ + PE1_GPREG0_PDPCIESD = 0x00008000, /* giga_PD + pcie_shutdown */ + PE1_GPREG0_PDPCIEIDDQ = 0x0000C000, /* giga_PD + pcie_iddq */ +}; + /* * Dynamic(adaptive)/Static PCC values */ @@ -403,6 +434,7 @@ struct jme_adapter { u32 reg_rxmcs; u32 reg_ghc; u32 reg_pmcs; + u32 reg_gpreg1; u32 phylink; u32 tx_ring_size; u32 tx_ring_mask; @@ -411,8 +443,10 @@ struct jme_adapter { u32 rx_ring_mask; u8 mrrs; unsigned int fpgaver; - unsigned int chiprev; - u8 rev; + u8 chiprev; + u8 chip_main_rev; + u8 chip_sub_rev; + u8 pcirev; u32 msg_enable; struct ethtool_cmd old_ecmd; unsigned int old_mtu; @@ -497,6 +531,7 @@ enum jme_iomap_regs { JME_PMCS = JME_MAC | 0x60, /* Power Management Control/Stat */ + JME_PHY_PWR = JME_PHY | 0x24, /* New PHY Power Ctrl Register */ JME_PHY_CS = JME_PHY | 0x28, /* PHY Ctrl and Status Register */ JME_PHY_LINK = JME_PHY | 0x30, /* PHY Link Status Register */ JME_SMBCSR = JME_PHY | 0x40, /* SMB Control and Status */ @@ -624,6 +659,14 @@ enum jme_txtrhd_shifts { TXTRHD_TXRL_SHIFT = 0, }; +enum jme_txtrhd_values { + TXTRHD_FULLDUPLEX = 0x00000000, + TXTRHD_HALFDUPLEX = TXTRHD_TXPEN | + ((0x2000 << TXTRHD_TXP_SHIFT) & TXTRHD_TXP) | + TXTRHD_TXREN | + ((8 << TXTRHD_TXRL_SHIFT) & TXTRHD_TXRL), +}; + /* * RX Control/Status Bits */ @@ -779,6 +822,8 @@ static inline u32 smi_phy_addr(int x) */ enum jme_ghc_bit_mask { GHC_SWRST = 0x40000000, + GHC_TO_CLK_SRC = 0x00C00000, + GHC_TXMAC_CLK_SRC = 0x00300000, GHC_DPX = 0x00000040, GHC_SPEED = 0x00000030, GHC_LINK_POLL = 0x00000001, @@ -833,6 +878,21 @@ enum jme_pmcs_bit_masks { }; /* + * New PHY Power Control Register + */ +enum jme_phy_pwr_bit_masks { + PHY_PWR_DWN1SEL = 0x01000000, /* Phy_giga.p_PWR_DOWN1_SEL */ + PHY_PWR_DWN1SW = 0x02000000, /* Phy_giga.p_PWR_DOWN1_SW */ + PHY_PWR_DWN2 = 0x04000000, /* Phy_giga.p_PWR_DOWN2 */ + PHY_PWR_CLKSEL = 0x08000000, /* + * XTL_OUT Clock select + * (an internal free-running clock) + * 0: xtl_out = phy_giga.A_XTL25_O + * 1: xtl_out = phy_giga.PD_OSC + */ +}; + +/* * Giga PHY Status Registers */ enum jme_phy_link_bit_mask { @@ -942,18 +1002,17 @@ enum jme_gpreg0_vals { /* * General Purpose REG-1 - * Note: All theses bits defined here are for - * Chip mode revision 0x11 only */ -enum jme_gpreg1_masks { +enum jme_gpreg1_bit_masks { + GPREG1_RXCLKOFF = 0x04000000, + GPREG1_PCREQN = 0x00020000, + GPREG1_HALFMODEPATCH = 0x00000040, /* For Chip revision 0x11 only */ + GPREG1_RSSPATCH = 0x00000020, /* For Chip revision 0x11 only */ GPREG1_INTRDELAYUNIT = 0x00000018, GPREG1_INTRDELAYENABLE = 0x00000007, }; enum jme_gpreg1_vals { - GPREG1_RSSPATCH = 0x00000040, - GPREG1_HALFMODEPATCH = 0x00000020, - GPREG1_INTDLYUNIT_16NS = 0x00000000, GPREG1_INTDLYUNIT_256NS = 0x00000008, GPREG1_INTDLYUNIT_1US = 0x00000010, @@ -967,7 +1026,7 @@ enum jme_gpreg1_vals { GPREG1_INTDLYEN_6U = 0x00000006, GPREG1_INTDLYEN_7U = 0x00000007, - GPREG1_DEFAULT = 0x00000000, + GPREG1_DEFAULT = GPREG1_PCREQN, }; /* @@ -1184,16 +1243,22 @@ enum jme_phy_reg17_vals { /* * Workaround */ -static inline int is_buggy250(unsigned short device, unsigned int chiprev) +static inline int is_buggy250(unsigned short device, u8 chiprev) { return device == PCI_DEVICE_ID_JMICRON_JMC250 && chiprev == 0x11; } +static inline int new_phy_power_ctrl(u8 chip_main_rev) +{ + return chip_main_rev >= 5; +} + /* * Function prototypes */ static int jme_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd); +static void jme_set_unicastaddr(struct net_device *netdev); static void jme_set_multi(struct net_device *netdev); #endif diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c index 2d9663a..ea0dc45 100644 --- a/drivers/net/loopback.c +++ b/drivers/net/loopback.c @@ -129,10 +129,6 @@ static u32 always_on(struct net_device *dev) static const struct ethtool_ops loopback_ethtool_ops = { .get_link = always_on, - .set_tso = ethtool_op_set_tso, - .get_tx_csum = always_on, - .get_sg = always_on, - .get_rx_csum = always_on, }; static int loopback_dev_init(struct net_device *dev) @@ -169,9 +165,12 @@ static void loopback_setup(struct net_device *dev) dev->type = ARPHRD_LOOPBACK; /* 0x0001*/ dev->flags = IFF_LOOPBACK; dev->priv_flags &= ~IFF_XMIT_DST_RELEASE; + dev->hw_features = NETIF_F_ALL_TSO | NETIF_F_UFO; dev->features = NETIF_F_SG | NETIF_F_FRAGLIST - | NETIF_F_TSO + | NETIF_F_ALL_TSO + | NETIF_F_UFO | NETIF_F_NO_CSUM + | NETIF_F_RXCSUM | NETIF_F_HIGHDMA | NETIF_F_LLTX | NETIF_F_NETNS_LOCAL; diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c index 4ffdc18..2765a3c 100644 --- a/drivers/net/mlx4/main.c +++ b/drivers/net/mlx4/main.c @@ -1286,6 +1286,21 @@ static DEFINE_PCI_DEVICE_TABLE(mlx4_pci_table) = { { PCI_VDEVICE(MELLANOX, 0x6764) }, /* MT26468 ConnectX EN 10GigE PCIe gen2*/ { PCI_VDEVICE(MELLANOX, 0x6746) }, /* MT26438 ConnectX EN 40GigE PCIe gen2 5GT/s */ { PCI_VDEVICE(MELLANOX, 0x676e) }, /* MT26478 ConnectX2 40GigE PCIe gen2 */ + { PCI_VDEVICE(MELLANOX, 0x1002) }, /* MT25400 Family [ConnectX-2 Virtual Function] */ + { PCI_VDEVICE(MELLANOX, 0x1003) }, /* MT27500 Family [ConnectX-3] */ + { PCI_VDEVICE(MELLANOX, 0x1004) }, /* MT27500 Family [ConnectX-3 Virtual Function] */ + { PCI_VDEVICE(MELLANOX, 0x1005) }, /* MT27510 Family */ + { PCI_VDEVICE(MELLANOX, 0x1006) }, /* MT27511 Family */ + { PCI_VDEVICE(MELLANOX, 0x1007) }, /* MT27520 Family */ + { PCI_VDEVICE(MELLANOX, 0x1008) }, /* MT27521 Family */ + { PCI_VDEVICE(MELLANOX, 0x1009) }, /* MT27530 Family */ + { PCI_VDEVICE(MELLANOX, 0x100a) }, /* MT27531 Family */ + { PCI_VDEVICE(MELLANOX, 0x100b) }, /* MT27540 Family */ + { PCI_VDEVICE(MELLANOX, 0x100c) }, /* MT27541 Family */ + { PCI_VDEVICE(MELLANOX, 0x100d) }, /* MT27550 Family */ + { PCI_VDEVICE(MELLANOX, 0x100e) }, /* MT27551 Family */ + { PCI_VDEVICE(MELLANOX, 0x100f) }, /* MT27560 Family */ + { PCI_VDEVICE(MELLANOX, 0x1010) }, /* MT27561 Family */ { 0, } }; diff --git a/drivers/net/pch_gbe/pch_gbe.h b/drivers/net/pch_gbe/pch_gbe.h index a0c26a9..e1e33c8 100644 --- a/drivers/net/pch_gbe/pch_gbe.h +++ b/drivers/net/pch_gbe/pch_gbe.h @@ -73,7 +73,7 @@ struct pch_gbe_regs { struct pch_gbe_regs_mac_adr mac_adr[16]; u32 ADDR_MASK; u32 MIIM; - u32 reserve2; + u32 MAC_ADDR_LOAD; u32 RGMII_ST; u32 RGMII_CTRL; u32 reserve3[3]; diff --git a/drivers/net/pch_gbe/pch_gbe_main.c b/drivers/net/pch_gbe/pch_gbe_main.c index 1bf1233..b99e90a 100644 --- a/drivers/net/pch_gbe/pch_gbe_main.c +++ b/drivers/net/pch_gbe/pch_gbe_main.c @@ -29,6 +29,7 @@ const char pch_driver_version[] = DRV_VERSION; #define PCH_GBE_SHORT_PKT 64 #define DSC_INIT16 0xC000 #define PCH_GBE_DMA_ALIGN 0 +#define PCH_GBE_DMA_PADDING 2 #define PCH_GBE_WATCHDOG_PERIOD (1 * HZ) /* watchdog time */ #define PCH_GBE_COPYBREAK_DEFAULT 256 #define PCH_GBE_PCI_BAR 1 @@ -88,6 +89,12 @@ static unsigned int copybreak __read_mostly = PCH_GBE_COPYBREAK_DEFAULT; static int pch_gbe_mdio_read(struct net_device *netdev, int addr, int reg); static void pch_gbe_mdio_write(struct net_device *netdev, int addr, int reg, int data); + +inline void pch_gbe_mac_load_mac_addr(struct pch_gbe_hw *hw) +{ + iowrite32(0x01, &hw->reg->MAC_ADDR_LOAD); +} + /** * pch_gbe_mac_read_mac_addr - Read MAC address * @hw: Pointer to the HW structure @@ -519,7 +526,9 @@ static void pch_gbe_reset_task(struct work_struct *work) struct pch_gbe_adapter *adapter; adapter = container_of(work, struct pch_gbe_adapter, reset_task); + rtnl_lock(); pch_gbe_reinit_locked(adapter); + rtnl_unlock(); } /** @@ -528,14 +537,8 @@ static void pch_gbe_reset_task(struct work_struct *work) */ void pch_gbe_reinit_locked(struct pch_gbe_adapter *adapter) { - struct net_device *netdev = adapter->netdev; - - rtnl_lock(); - if (netif_running(netdev)) { - pch_gbe_down(adapter); - pch_gbe_up(adapter); - } - rtnl_unlock(); + pch_gbe_down(adapter); + pch_gbe_up(adapter); } /** @@ -1369,16 +1372,13 @@ pch_gbe_clean_rx(struct pch_gbe_adapter *adapter, struct pch_gbe_buffer *buffer_info; struct pch_gbe_rx_desc *rx_desc; u32 length; - unsigned char tmp_packet[ETH_HLEN]; unsigned int i; unsigned int cleaned_count = 0; bool cleaned = false; - struct sk_buff *skb; + struct sk_buff *skb, *new_skb; u8 dma_status; u16 gbec_status; u32 tcp_ip_status; - u8 skb_copy_flag = 0; - u8 skb_padding_flag = 0; i = rx_ring->next_to_clean; @@ -1422,55 +1422,70 @@ pch_gbe_clean_rx(struct pch_gbe_adapter *adapter, pr_err("Receive CRC Error\n"); } else { /* get receive length */ - /* length convert[-3], padding[-2] */ - length = (rx_desc->rx_words_eob) - 3 - 2; + /* length convert[-3] */ + length = (rx_desc->rx_words_eob) - 3; /* Decide the data conversion method */ if (!adapter->rx_csum) { /* [Header:14][payload] */ - skb_padding_flag = 0; - skb_copy_flag = 1; + if (NET_IP_ALIGN) { + /* Because alignment differs, + * the new_skb is newly allocated, + * and data is copied to new_skb.*/ + new_skb = netdev_alloc_skb(netdev, + length + NET_IP_ALIGN); + if (!new_skb) { + /* dorrop error */ + pr_err("New skb allocation " + "Error\n"); + goto dorrop; + } + skb_reserve(new_skb, NET_IP_ALIGN); + memcpy(new_skb->data, skb->data, + length); + skb = new_skb; + } else { + /* DMA buffer is used as SKB as it is.*/ + buffer_info->skb = NULL; + } } else { /* [Header:14][padding:2][payload] */ - skb_padding_flag = 1; - if (length < copybreak) - skb_copy_flag = 1; - else - skb_copy_flag = 0; - } - - /* Data conversion */ - if (skb_copy_flag) { /* recycle skb */ - struct sk_buff *new_skb; - new_skb = - netdev_alloc_skb(netdev, - length + NET_IP_ALIGN); - if (new_skb) { - if (!skb_padding_flag) { - skb_reserve(new_skb, - NET_IP_ALIGN); + /* The length includes padding length */ + length = length - PCH_GBE_DMA_PADDING; + if ((length < copybreak) || + (NET_IP_ALIGN != PCH_GBE_DMA_PADDING)) { + /* Because alignment differs, + * the new_skb is newly allocated, + * and data is copied to new_skb. + * Padding data is deleted + * at the time of a copy.*/ + new_skb = netdev_alloc_skb(netdev, + length + NET_IP_ALIGN); + if (!new_skb) { + /* dorrop error */ + pr_err("New skb allocation " + "Error\n"); + goto dorrop; } + skb_reserve(new_skb, NET_IP_ALIGN); memcpy(new_skb->data, skb->data, - length); - /* save the skb - * in buffer_info as good */ + ETH_HLEN); + memcpy(&new_skb->data[ETH_HLEN], + &skb->data[ETH_HLEN + + PCH_GBE_DMA_PADDING], + length - ETH_HLEN); skb = new_skb; - } else if (!skb_padding_flag) { - /* dorrop error */ - pr_err("New skb allocation Error\n"); - goto dorrop; + } else { + /* Padding data is deleted + * by moving header data.*/ + memmove(&skb->data[PCH_GBE_DMA_PADDING], + &skb->data[0], ETH_HLEN); + skb_reserve(skb, NET_IP_ALIGN); + buffer_info->skb = NULL; } - } else { - buffer_info->skb = NULL; } - if (skb_padding_flag) { - memcpy(&tmp_packet[0], &skb->data[0], ETH_HLEN); - memcpy(&skb->data[NET_IP_ALIGN], &tmp_packet[0], - ETH_HLEN); - skb_reserve(skb, NET_IP_ALIGN); - - } - + /* The length includes FCS length */ + length = length - ETH_FCS_LEN; /* update status of driver */ adapter->stats.rx_bytes += length; adapter->stats.rx_packets++; @@ -2322,6 +2337,7 @@ static int pch_gbe_probe(struct pci_dev *pdev, netdev->features = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_GRO; pch_gbe_set_ethtool_ops(netdev); + pch_gbe_mac_load_mac_addr(&adapter->hw); pch_gbe_mac_reset_hw(&adapter->hw); /* setup the private structure */ diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index 35fda5a..392a6c4 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -77,7 +77,6 @@ config NATIONAL_PHY Currently supports the DP83865 PHY. config STE10XP - depends on PHYLIB tristate "Driver for STMicroelectronics STe10Xp PHYs" ---help--- This is the driver for the STe100p and STe101p PHYs. diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 0fd1678..590f902 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -19,13 +19,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/phy.h> - -#define PHY_ID_KSZ9021 0x00221611 -#define PHY_ID_KS8737 0x00221720 -#define PHY_ID_KS8041 0x00221510 -#define PHY_ID_KS8051 0x00221550 -/* both for ks8001 Rev. A/B, and for ks8721 Rev 3. */ -#define PHY_ID_KS8001 0x0022161A +#include <linux/micrel_phy.h> /* general Interrupt control/status reg in vendor specific block. */ #define MII_KSZPHY_INTCS 0x1B @@ -46,6 +40,7 @@ #define KSZPHY_CTRL_INT_ACTIVE_HIGH (1 << 9) #define KSZ9021_CTRL_INT_ACTIVE_HIGH (1 << 14) #define KS8737_CTRL_INT_ACTIVE_HIGH (1 << 14) +#define KSZ8051_RMII_50MHZ_CLK (1 << 7) static int kszphy_ack_interrupt(struct phy_device *phydev) { @@ -106,6 +101,19 @@ static int kszphy_config_init(struct phy_device *phydev) return 0; } +static int ks8051_config_init(struct phy_device *phydev) +{ + int regval; + + if (phydev->dev_flags & MICREL_PHY_50MHZ_CLK) { + regval = phy_read(phydev, MII_KSZPHY_CTRL); + regval |= KSZ8051_RMII_50MHZ_CLK; + phy_write(phydev, MII_KSZPHY_CTRL, regval); + } + + return 0; +} + static struct phy_driver ks8737_driver = { .phy_id = PHY_ID_KS8737, .phy_id_mask = 0x00fffff0, @@ -142,7 +150,7 @@ static struct phy_driver ks8051_driver = { .features = (PHY_BASIC_FEATURES | SUPPORTED_Pause | SUPPORTED_Asym_Pause), .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT, - .config_init = kszphy_config_init, + .config_init = ks8051_config_init, .config_aneg = genphy_config_aneg, .read_status = genphy_read_status, .ack_interrupt = kszphy_ack_interrupt, diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 59ccf0c..469ab0b 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -3190,6 +3190,8 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (pci_dev_run_wake(pdev)) pm_runtime_put_noidle(&pdev->dev); + netif_carrier_off(dev); + out: return rc; diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c index 819c175..095e525 100644 --- a/drivers/net/sh_eth.c +++ b/drivers/net/sh_eth.c @@ -32,10 +32,17 @@ #include <linux/io.h> #include <linux/pm_runtime.h> #include <linux/slab.h> +#include <linux/ethtool.h> #include <asm/cacheflush.h> #include "sh_eth.h" +#define SH_ETH_DEF_MSG_ENABLE \ + (NETIF_MSG_LINK | \ + NETIF_MSG_TIMER | \ + NETIF_MSG_RX_ERR| \ + NETIF_MSG_TX_ERR) + /* There is CPU dependent code */ #if defined(CONFIG_CPU_SUBTYPE_SH7724) #define SH_ETH_RESET_DEFAULT 1 @@ -817,6 +824,20 @@ static int sh_eth_rx(struct net_device *ndev) return 0; } +static void sh_eth_rcv_snd_disable(u32 ioaddr) +{ + /* disable tx and rx */ + writel(readl(ioaddr + ECMR) & + ~(ECMR_RE | ECMR_TE), ioaddr + ECMR); +} + +static void sh_eth_rcv_snd_enable(u32 ioaddr) +{ + /* enable tx and rx */ + writel(readl(ioaddr + ECMR) | + (ECMR_RE | ECMR_TE), ioaddr + ECMR); +} + /* error control function */ static void sh_eth_error(struct net_device *ndev, int intr_status) { @@ -843,11 +864,9 @@ static void sh_eth_error(struct net_device *ndev, int intr_status) if (mdp->ether_link_active_low) link_stat = ~link_stat; } - if (!(link_stat & PHY_ST_LINK)) { - /* Link Down : disable tx and rx */ - writel(readl(ioaddr + ECMR) & - ~(ECMR_RE | ECMR_TE), ioaddr + ECMR); - } else { + if (!(link_stat & PHY_ST_LINK)) + sh_eth_rcv_snd_disable(ioaddr); + else { /* Link Up */ writel(readl(ioaddr + EESIPR) & ~DMAC_M_ECI, ioaddr + EESIPR); @@ -857,8 +876,7 @@ static void sh_eth_error(struct net_device *ndev, int intr_status) writel(readl(ioaddr + EESIPR) | DMAC_M_ECI, ioaddr + EESIPR); /* enable tx and rx */ - writel(readl(ioaddr + ECMR) | - (ECMR_RE | ECMR_TE), ioaddr + ECMR); + sh_eth_rcv_snd_enable(ioaddr); } } } @@ -867,6 +885,8 @@ static void sh_eth_error(struct net_device *ndev, int intr_status) /* Write buck end. unused write back interrupt */ if (intr_status & EESR_TABT) /* Transmit Abort int */ mdp->stats.tx_aborted_errors++; + if (netif_msg_tx_err(mdp)) + dev_err(&ndev->dev, "Transmit Abort\n"); } if (intr_status & EESR_RABT) { @@ -874,14 +894,23 @@ static void sh_eth_error(struct net_device *ndev, int intr_status) if (intr_status & EESR_RFRMER) { /* Receive Frame Overflow int */ mdp->stats.rx_frame_errors++; - dev_err(&ndev->dev, "Receive Frame Overflow\n"); + if (netif_msg_rx_err(mdp)) + dev_err(&ndev->dev, "Receive Abort\n"); } } - if (!mdp->cd->no_ade) { - if (intr_status & EESR_ADE && intr_status & EESR_TDE && - intr_status & EESR_TFE) - mdp->stats.tx_fifo_errors++; + if (intr_status & EESR_TDE) { + /* Transmit Descriptor Empty int */ + mdp->stats.tx_fifo_errors++; + if (netif_msg_tx_err(mdp)) + dev_err(&ndev->dev, "Transmit Descriptor Empty\n"); + } + + if (intr_status & EESR_TFE) { + /* FIFO under flow */ + mdp->stats.tx_fifo_errors++; + if (netif_msg_tx_err(mdp)) + dev_err(&ndev->dev, "Transmit FIFO Under flow\n"); } if (intr_status & EESR_RDE) { @@ -890,12 +919,22 @@ static void sh_eth_error(struct net_device *ndev, int intr_status) if (readl(ioaddr + EDRRR) ^ EDRRR_R) writel(EDRRR_R, ioaddr + EDRRR); - dev_err(&ndev->dev, "Receive Descriptor Empty\n"); + if (netif_msg_rx_err(mdp)) + dev_err(&ndev->dev, "Receive Descriptor Empty\n"); } + if (intr_status & EESR_RFE) { /* Receive FIFO Overflow int */ mdp->stats.rx_fifo_errors++; - dev_err(&ndev->dev, "Receive FIFO Overflow\n"); + if (netif_msg_rx_err(mdp)) + dev_err(&ndev->dev, "Receive FIFO Overflow\n"); + } + + if (!mdp->cd->no_ade && (intr_status & EESR_ADE)) { + /* Address Error */ + mdp->stats.tx_fifo_errors++; + if (netif_msg_tx_err(mdp)) + dev_err(&ndev->dev, "Address Error\n"); } mask = EESR_TWB | EESR_TABT | EESR_ADE | EESR_TDE | EESR_TFE; @@ -1012,7 +1051,7 @@ static void sh_eth_adjust_link(struct net_device *ndev) mdp->duplex = -1; } - if (new_state) + if (new_state && netif_msg_link(mdp)) phy_print_status(phydev); } @@ -1063,6 +1102,132 @@ static int sh_eth_phy_start(struct net_device *ndev) return 0; } +static int sh_eth_get_settings(struct net_device *ndev, + struct ethtool_cmd *ecmd) +{ + struct sh_eth_private *mdp = netdev_priv(ndev); + unsigned long flags; + int ret; + + spin_lock_irqsave(&mdp->lock, flags); + ret = phy_ethtool_gset(mdp->phydev, ecmd); + spin_unlock_irqrestore(&mdp->lock, flags); + + return ret; +} + +static int sh_eth_set_settings(struct net_device *ndev, + struct ethtool_cmd *ecmd) +{ + struct sh_eth_private *mdp = netdev_priv(ndev); + unsigned long flags; + int ret; + u32 ioaddr = ndev->base_addr; + + spin_lock_irqsave(&mdp->lock, flags); + + /* disable tx and rx */ + sh_eth_rcv_snd_disable(ioaddr); + + ret = phy_ethtool_sset(mdp->phydev, ecmd); + if (ret) + goto error_exit; + + if (ecmd->duplex == DUPLEX_FULL) + mdp->duplex = 1; + else + mdp->duplex = 0; + + if (mdp->cd->set_duplex) + mdp->cd->set_duplex(ndev); + +error_exit: + mdelay(1); + + /* enable tx and rx */ + sh_eth_rcv_snd_enable(ioaddr); + + spin_unlock_irqrestore(&mdp->lock, flags); + + return ret; +} + +static int sh_eth_nway_reset(struct net_device *ndev) +{ + struct sh_eth_private *mdp = netdev_priv(ndev); + unsigned long flags; + int ret; + + spin_lock_irqsave(&mdp->lock, flags); + ret = phy_start_aneg(mdp->phydev); + spin_unlock_irqrestore(&mdp->lock, flags); + + return ret; +} + +static u32 sh_eth_get_msglevel(struct net_device *ndev) +{ + struct sh_eth_private *mdp = netdev_priv(ndev); + return mdp->msg_enable; +} + +static void sh_eth_set_msglevel(struct net_device *ndev, u32 value) +{ + struct sh_eth_private *mdp = netdev_priv(ndev); + mdp->msg_enable = value; +} + +static const char sh_eth_gstrings_stats[][ETH_GSTRING_LEN] = { + "rx_current", "tx_current", + "rx_dirty", "tx_dirty", +}; +#define SH_ETH_STATS_LEN ARRAY_SIZE(sh_eth_gstrings_stats) + +static int sh_eth_get_sset_count(struct net_device *netdev, int sset) +{ + switch (sset) { + case ETH_SS_STATS: + return SH_ETH_STATS_LEN; + default: + return -EOPNOTSUPP; + } +} + +static void sh_eth_get_ethtool_stats(struct net_device *ndev, + struct ethtool_stats *stats, u64 *data) +{ + struct sh_eth_private *mdp = netdev_priv(ndev); + int i = 0; + + /* device-specific stats */ + data[i++] = mdp->cur_rx; + data[i++] = mdp->cur_tx; + data[i++] = mdp->dirty_rx; + data[i++] = mdp->dirty_tx; +} + +static void sh_eth_get_strings(struct net_device *ndev, u32 stringset, u8 *data) +{ + switch (stringset) { + case ETH_SS_STATS: + memcpy(data, *sh_eth_gstrings_stats, + sizeof(sh_eth_gstrings_stats)); + break; + } +} + +static struct ethtool_ops sh_eth_ethtool_ops = { + .get_settings = sh_eth_get_settings, + .set_settings = sh_eth_set_settings, + .nway_reset = sh_eth_nway_reset, + .get_msglevel = sh_eth_get_msglevel, + .set_msglevel = sh_eth_set_msglevel, + .get_link = ethtool_op_get_link, + .get_strings = sh_eth_get_strings, + .get_ethtool_stats = sh_eth_get_ethtool_stats, + .get_sset_count = sh_eth_get_sset_count, +}; + /* network device open function */ static int sh_eth_open(struct net_device *ndev) { @@ -1073,8 +1238,8 @@ static int sh_eth_open(struct net_device *ndev) ret = request_irq(ndev->irq, sh_eth_interrupt, #if defined(CONFIG_CPU_SUBTYPE_SH7763) || \ - defined(CONFIG_CPU_SUBTYPE_SH7764) || \ - defined(CONFIG_CPU_SUBTYPE_SH7757) + defined(CONFIG_CPU_SUBTYPE_SH7764) || \ + defined(CONFIG_CPU_SUBTYPE_SH7757) IRQF_SHARED, #else 0, @@ -1123,8 +1288,8 @@ static void sh_eth_tx_timeout(struct net_device *ndev) netif_stop_queue(ndev); - /* worning message out. */ - printk(KERN_WARNING "%s: transmit timed out, status %8.8x," + if (netif_msg_timer(mdp)) + dev_err(&ndev->dev, "%s: transmit timed out, status %8.8x," " resetting...\n", ndev->name, (int)readl(ioaddr + EESR)); /* tx_errors count up */ @@ -1167,6 +1332,8 @@ static int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev) spin_lock_irqsave(&mdp->lock, flags); if ((mdp->cur_tx - mdp->dirty_tx) >= (TX_RING_SIZE - 4)) { if (!sh_eth_txfree(ndev)) { + if (netif_msg_tx_queued(mdp)) + dev_warn(&ndev->dev, "TxFD exhausted.\n"); netif_stop_queue(ndev); spin_unlock_irqrestore(&mdp->lock, flags); return NETDEV_TX_BUSY; @@ -1497,8 +1664,11 @@ static int sh_eth_drv_probe(struct platform_device *pdev) /* set function */ ndev->netdev_ops = &sh_eth_netdev_ops; + SET_ETHTOOL_OPS(ndev, &sh_eth_ethtool_ops); ndev->watchdog_timeo = TX_TIMEOUT; + /* debug message level */ + mdp->msg_enable = SH_ETH_DEF_MSG_ENABLE; mdp->post_rx = POST_RX >> (devno << 1); mdp->post_fw = POST_FW >> (devno << 1); diff --git a/drivers/net/stmmac/stmmac_main.c b/drivers/net/stmmac/stmmac_main.c index 34a0af3..0e5f031 100644 --- a/drivers/net/stmmac/stmmac_main.c +++ b/drivers/net/stmmac/stmmac_main.c @@ -1560,8 +1560,10 @@ static int stmmac_mac_device_setup(struct net_device *dev) priv->hw = device; - if (device_can_wakeup(priv->device)) + if (device_can_wakeup(priv->device)) { priv->wolopts = WAKE_MAGIC; /* Magic Frame as default */ + enable_irq_wake(dev->irq); + } return 0; } diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index cc06952..6be4185 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -12463,9 +12463,11 @@ static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp) tp->tg3_flags3 |= TG3_FLG3_RGMII_EXT_IBND_TX_EN; } done: - device_init_wakeup(&tp->pdev->dev, tp->tg3_flags & TG3_FLAG_WOL_CAP); - device_set_wakeup_enable(&tp->pdev->dev, + if (tp->tg3_flags & TG3_FLAG_WOL_CAP) + device_set_wakeup_enable(&tp->pdev->dev, tp->tg3_flags & TG3_FLAG_WOL_ENABLE); + else + device_set_wakeup_capable(&tp->pdev->dev, false); } static int __devinit tg3_issue_otp_command(struct tg3 *tp, u32 cmd) @@ -13318,7 +13320,7 @@ static int __devinit tg3_get_invariants(struct tg3 *tp) } /* Determine TSO capabilities */ - if (tp->pci_chip_rev_id == CHIPREV_ID_5719_A0) + if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719) ; /* Do nothing. HW bug. */ else if (tp->tg3_flags3 & TG3_FLG3_5717_PLUS) tp->tg3_flags2 |= TG3_FLG2_HW_TSO_3; @@ -13372,7 +13374,7 @@ static int __devinit tg3_get_invariants(struct tg3 *tp) } if ((tp->tg3_flags3 & TG3_FLG3_5717_PLUS) && - tp->pci_chip_rev_id != CHIPREV_ID_5719_A0) + GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5719) tp->tg3_flags3 |= TG3_FLG3_USE_JUMBO_BDFLAG; if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS) || diff --git a/drivers/net/tlan.c b/drivers/net/tlan.c index 0678e7e..e48a808 100644 --- a/drivers/net/tlan.c +++ b/drivers/net/tlan.c @@ -1522,7 +1522,8 @@ static u32 tlan_handle_tx_eof(struct net_device *dev, u16 host_int) head_list = priv->tx_list + priv->tx_head; head_list_phys = priv->tx_list_dma + sizeof(struct tlan_list)*priv->tx_head; - if (head_list->c_stat & TLAN_CSTAT_READY) { + if ((head_list->c_stat & TLAN_CSTAT_READY) + == TLAN_CSTAT_READY) { outl(head_list_phys, dev->base_addr + TLAN_CH_PARM); ack |= TLAN_HC_GO; } else { @@ -1766,7 +1767,8 @@ static u32 tlan_handle_tx_eoc(struct net_device *dev, u16 host_int) head_list = priv->tx_list + priv->tx_head; head_list_phys = priv->tx_list_dma + sizeof(struct tlan_list)*priv->tx_head; - if (head_list->c_stat & TLAN_CSTAT_READY) { + if ((head_list->c_stat & TLAN_CSTAT_READY) + == TLAN_CSTAT_READY) { netif_stop_queue(dev); outl(head_list_phys, dev->base_addr + TLAN_CH_PARM); ack |= TLAN_HC_GO; diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index bed8fce..6d83812 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -2628,15 +2628,15 @@ exit: static void hso_free_tiomget(struct hso_serial *serial) { - struct hso_tiocmget *tiocmget = serial->tiocmget; + struct hso_tiocmget *tiocmget; + if (!serial) + return; + tiocmget = serial->tiocmget; if (tiocmget) { - if (tiocmget->urb) { - usb_free_urb(tiocmget->urb); - tiocmget->urb = NULL; - } + usb_free_urb(tiocmget->urb); + tiocmget->urb = NULL; serial->tiocmget = NULL; kfree(tiocmget); - } } diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index ed9a416..95c41d5 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -931,8 +931,10 @@ fail_halt: if (urb != NULL) { clear_bit (EVENT_RX_MEMORY, &dev->flags); status = usb_autopm_get_interface(dev->intf); - if (status < 0) + if (status < 0) { + usb_free_urb(urb); goto fail_lowmem; + } if (rx_submit (dev, urb, GFP_KERNEL) == -ENOLINK) resched = 0; usb_autopm_put_interface(dev->intf); diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 90a23e4..82dba5a 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -446,6 +446,20 @@ static void skb_recv_done(struct virtqueue *rvq) } } +static void virtnet_napi_enable(struct virtnet_info *vi) +{ + napi_enable(&vi->napi); + + /* If all buffers were filled by other side before we napi_enabled, we + * won't get another interrupt, so process any outstanding packets + * now. virtnet_poll wants re-enable the queue, so we disable here. + * We synchronize against interrupts via NAPI_STATE_SCHED */ + if (napi_schedule_prep(&vi->napi)) { + virtqueue_disable_cb(vi->rvq); + __napi_schedule(&vi->napi); + } +} + static void refill_work(struct work_struct *work) { struct virtnet_info *vi; @@ -454,7 +468,7 @@ static void refill_work(struct work_struct *work) vi = container_of(work, struct virtnet_info, refill.work); napi_disable(&vi->napi); still_empty = !try_fill_recv(vi, GFP_KERNEL); - napi_enable(&vi->napi); + virtnet_napi_enable(vi); /* In theory, this can happen: if we don't get any buffers in * we will *never* try to fill again. */ @@ -638,16 +652,7 @@ static int virtnet_open(struct net_device *dev) { struct virtnet_info *vi = netdev_priv(dev); - napi_enable(&vi->napi); - - /* If all buffers were filled by other side before we napi_enabled, we - * won't get another interrupt, so process any outstanding packets - * now. virtnet_poll wants re-enable the queue, so we disable here. - * We synchronize against interrupts via NAPI_STATE_SCHED */ - if (napi_schedule_prep(&vi->napi)) { - virtqueue_disable_cb(vi->rvq); - __napi_schedule(&vi->napi); - } + virtnet_napi_enable(vi); return 0; } diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c index 58213e7..166e9f7 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945.c @@ -402,72 +402,6 @@ static void iwl3945_accumulative_statistics(struct iwl_priv *priv, } #endif -/** - * iwl3945_good_plcp_health - checks for plcp error. - * - * When the plcp error is exceeding the thresholds, reset the radio - * to improve the throughput. - */ -static bool iwl3945_good_plcp_health(struct iwl_priv *priv, - struct iwl_rx_packet *pkt) -{ - bool rc = true; - struct iwl3945_notif_statistics current_stat; - int combined_plcp_delta; - unsigned int plcp_msec; - unsigned long plcp_received_jiffies; - - if (priv->cfg->base_params->plcp_delta_threshold == - IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE) { - IWL_DEBUG_RADIO(priv, "plcp_err check disabled\n"); - return rc; - } - memcpy(¤t_stat, pkt->u.raw, sizeof(struct - iwl3945_notif_statistics)); - /* - * check for plcp_err and trigger radio reset if it exceeds - * the plcp error threshold plcp_delta. - */ - plcp_received_jiffies = jiffies; - plcp_msec = jiffies_to_msecs((long) plcp_received_jiffies - - (long) priv->plcp_jiffies); - priv->plcp_jiffies = plcp_received_jiffies; - /* - * check to make sure plcp_msec is not 0 to prevent division - * by zero. - */ - if (plcp_msec) { - combined_plcp_delta = - (le32_to_cpu(current_stat.rx.ofdm.plcp_err) - - le32_to_cpu(priv->_3945.statistics.rx.ofdm.plcp_err)); - - if ((combined_plcp_delta > 0) && - ((combined_plcp_delta * 100) / plcp_msec) > - priv->cfg->base_params->plcp_delta_threshold) { - /* - * if plcp_err exceed the threshold, the following - * data is printed in csv format: - * Text: plcp_err exceeded %d, - * Received ofdm.plcp_err, - * Current ofdm.plcp_err, - * combined_plcp_delta, - * plcp_msec - */ - IWL_DEBUG_RADIO(priv, "plcp_err exceeded %u, " - "%u, %d, %u mSecs\n", - priv->cfg->base_params->plcp_delta_threshold, - le32_to_cpu(current_stat.rx.ofdm.plcp_err), - combined_plcp_delta, plcp_msec); - /* - * Reset the RF radio due to the high plcp - * error rate - */ - rc = false; - } - } - return rc; -} - void iwl3945_hw_rx_statistics(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) { @@ -2734,7 +2668,6 @@ static struct iwl_lib_ops iwl3945_lib = { .isr_ops = { .isr = iwl_isr_legacy, }, - .check_plcp_health = iwl3945_good_plcp_health, .debugfs_ops = { .rx_stats_read = iwl3945_ucode_rx_stats_read, |
