mirror of https://gitee.com/openkylin/linux.git
3031 lines
73 KiB
C
3031 lines
73 KiB
C
/*
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* QLogic qlcnic NIC Driver
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* Copyright (c) 2009-2010 QLogic Corporation
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*
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* See LICENSE.qlcnic for copyright and licensing details.
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*/
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#include <linux/slab.h>
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#include <linux/vmalloc.h>
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#include <linux/interrupt.h>
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#include "qlcnic.h"
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#include <linux/swab.h>
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#include <linux/dma-mapping.h>
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#include <net/ip.h>
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#include <linux/ipv6.h>
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#include <linux/inetdevice.h>
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#include <linux/sysfs.h>
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#include <linux/aer.h>
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#include <linux/log2.h>
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MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver");
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MODULE_LICENSE("GPL");
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MODULE_VERSION(QLCNIC_LINUX_VERSIONID);
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MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME);
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char qlcnic_driver_name[] = "qlcnic";
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static const char qlcnic_driver_string[] = "QLogic 1/10 GbE "
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"Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID;
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static struct workqueue_struct *qlcnic_wq;
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static int qlcnic_mac_learn;
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module_param(qlcnic_mac_learn, int, 0444);
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MODULE_PARM_DESC(qlcnic_mac_learn, "Mac Filter (0=disabled, 1=enabled)");
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static int qlcnic_use_msi = 1;
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MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled");
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module_param_named(use_msi, qlcnic_use_msi, int, 0444);
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static int qlcnic_use_msi_x = 1;
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MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled");
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module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444);
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static int qlcnic_auto_fw_reset = 1;
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MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled");
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module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644);
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static int qlcnic_load_fw_file;
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MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file");
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module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444);
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static int qlcnic_config_npars;
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module_param(qlcnic_config_npars, int, 0444);
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MODULE_PARM_DESC(qlcnic_config_npars, "Configure NPARs (0=disabled, 1=enabled");
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static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
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static void qlcnic_remove(struct pci_dev *pdev);
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static int qlcnic_open(struct net_device *netdev);
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static int qlcnic_close(struct net_device *netdev);
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static void qlcnic_tx_timeout(struct net_device *netdev);
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static void qlcnic_attach_work(struct work_struct *work);
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static void qlcnic_fwinit_work(struct work_struct *work);
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static void qlcnic_fw_poll_work(struct work_struct *work);
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static void qlcnic_schedule_work(struct qlcnic_adapter *adapter,
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work_func_t func, int delay);
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static void qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter);
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#ifdef CONFIG_NET_POLL_CONTROLLER
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static void qlcnic_poll_controller(struct net_device *netdev);
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#endif
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static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
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static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8);
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static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
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static irqreturn_t qlcnic_tmp_intr(int irq, void *data);
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static irqreturn_t qlcnic_intr(int irq, void *data);
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static irqreturn_t qlcnic_msi_intr(int irq, void *data);
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static irqreturn_t qlcnic_msix_intr(int irq, void *data);
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static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev);
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static void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long);
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static int qlcnic_start_firmware(struct qlcnic_adapter *);
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static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter);
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static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *);
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static int qlcnicvf_start_firmware(struct qlcnic_adapter *);
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static void qlcnic_set_netdev_features(struct qlcnic_adapter *,
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struct qlcnic_esw_func_cfg *);
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static int qlcnic_vlan_rx_add(struct net_device *, u16);
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static int qlcnic_vlan_rx_del(struct net_device *, u16);
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#define QLCNIC_IS_TSO_CAPABLE(adapter) \
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((adapter)->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
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/* PCI Device ID Table */
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#define ENTRY(device) \
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{PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \
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.class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
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#define PCI_DEVICE_ID_QLOGIC_QLE824X 0x8020
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static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = {
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ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X),
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{0,}
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};
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MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl);
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inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring)
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{
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writel(tx_ring->producer, tx_ring->crb_cmd_producer);
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}
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static const u32 msi_tgt_status[8] = {
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ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
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ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
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ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
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ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
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};
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static const struct qlcnic_board_info qlcnic_boards[] = {
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{0x1077, 0x8020, 0x1077, 0x203,
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"8200 Series Single Port 10GbE Converged Network Adapter"
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"(TCP/IP Networking)"},
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{0x1077, 0x8020, 0x1077, 0x207,
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"8200 Series Dual Port 10GbE Converged Network Adapter"
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"(TCP/IP Networking)"},
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{0x1077, 0x8020, 0x1077, 0x20b,
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"3200 Series Dual Port 10Gb Intelligent Ethernet Adapter"},
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{0x1077, 0x8020, 0x1077, 0x20c,
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"3200 Series Quad Port 1Gb Intelligent Ethernet Adapter"},
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{0x1077, 0x8020, 0x1077, 0x20f,
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"3200 Series Single Port 10Gb Intelligent Ethernet Adapter"},
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{0x1077, 0x8020, 0x103c, 0x3733,
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"NC523SFP 10Gb 2-port Server Adapter"},
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{0x1077, 0x8020, 0x103c, 0x3346,
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"CN1000Q Dual Port Converged Network Adapter"},
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{0x1077, 0x8020, 0x1077, 0x210,
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"QME8242-k 10GbE Dual Port Mezzanine Card"},
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{0x1077, 0x8020, 0x0, 0x0, "cLOM8214 1/10GbE Controller"},
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};
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#define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards)
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static const
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struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG;
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int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count)
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{
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int size = sizeof(struct qlcnic_host_sds_ring) * count;
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recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
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return recv_ctx->sds_rings == NULL;
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}
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void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx)
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{
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if (recv_ctx->sds_rings != NULL)
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kfree(recv_ctx->sds_rings);
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recv_ctx->sds_rings = NULL;
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}
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static void qlcnic_clear_stats(struct qlcnic_adapter *adapter)
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{
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memset(&adapter->stats, 0, sizeof(adapter->stats));
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}
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static void qlcnic_set_msix_bit(struct pci_dev *pdev, int enable)
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{
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u32 control;
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int pos;
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pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
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if (pos) {
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pci_read_config_dword(pdev, pos, &control);
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if (enable)
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control |= PCI_MSIX_FLAGS_ENABLE;
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else
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control = 0;
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pci_write_config_dword(pdev, pos, control);
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}
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}
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static void qlcnic_init_msix_entries(struct qlcnic_adapter *adapter, int count)
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{
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int i;
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for (i = 0; i < count; i++)
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adapter->msix_entries[i].entry = i;
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}
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static int
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qlcnic_read_mac_addr(struct qlcnic_adapter *adapter)
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{
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u8 mac_addr[ETH_ALEN];
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struct net_device *netdev = adapter->netdev;
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struct pci_dev *pdev = adapter->pdev;
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if (qlcnic_get_mac_address(adapter, mac_addr) != 0)
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return -EIO;
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memcpy(netdev->dev_addr, mac_addr, ETH_ALEN);
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memcpy(netdev->perm_addr, netdev->dev_addr, netdev->addr_len);
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memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
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/* set station address */
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if (!is_valid_ether_addr(netdev->perm_addr))
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dev_warn(&pdev->dev, "Bad MAC address %pM.\n",
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netdev->dev_addr);
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return 0;
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}
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static int qlcnic_set_mac(struct net_device *netdev, void *p)
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{
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struct qlcnic_adapter *adapter = netdev_priv(netdev);
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struct sockaddr *addr = p;
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if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED))
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return -EOPNOTSUPP;
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if (!is_valid_ether_addr(addr->sa_data))
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return -EADDRNOTAVAIL;
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if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
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netif_device_detach(netdev);
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qlcnic_napi_disable(adapter);
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}
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memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
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memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
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qlcnic_set_multi(adapter->netdev);
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if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
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netif_device_attach(netdev);
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qlcnic_napi_enable(adapter);
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}
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return 0;
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}
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static const struct net_device_ops qlcnic_netdev_ops = {
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.ndo_open = qlcnic_open,
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.ndo_stop = qlcnic_close,
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.ndo_start_xmit = qlcnic_xmit_frame,
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.ndo_get_stats = qlcnic_get_stats,
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.ndo_validate_addr = eth_validate_addr,
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.ndo_set_rx_mode = qlcnic_set_multi,
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.ndo_set_mac_address = qlcnic_set_mac,
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.ndo_change_mtu = qlcnic_change_mtu,
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.ndo_fix_features = qlcnic_fix_features,
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.ndo_set_features = qlcnic_set_features,
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.ndo_tx_timeout = qlcnic_tx_timeout,
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.ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add,
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.ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del,
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#ifdef CONFIG_NET_POLL_CONTROLLER
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.ndo_poll_controller = qlcnic_poll_controller,
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#endif
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};
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static const struct net_device_ops qlcnic_netdev_failed_ops = {
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.ndo_open = qlcnic_open,
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};
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static struct qlcnic_nic_template qlcnic_ops = {
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.config_bridged_mode = qlcnic_config_bridged_mode,
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.config_led = qlcnic_config_led,
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.start_firmware = qlcnic_start_firmware
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};
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static struct qlcnic_nic_template qlcnic_vf_ops = {
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.config_bridged_mode = qlcnicvf_config_bridged_mode,
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.config_led = qlcnicvf_config_led,
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.start_firmware = qlcnicvf_start_firmware
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};
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static int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
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{
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struct pci_dev *pdev = adapter->pdev;
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int err = -1;
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adapter->max_sds_rings = 1;
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adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED);
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qlcnic_set_msix_bit(pdev, 0);
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if (adapter->ahw->msix_supported) {
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enable_msix:
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qlcnic_init_msix_entries(adapter, num_msix);
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err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
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if (err == 0) {
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adapter->flags |= QLCNIC_MSIX_ENABLED;
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qlcnic_set_msix_bit(pdev, 1);
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adapter->max_sds_rings = num_msix;
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dev_info(&pdev->dev, "using msi-x interrupts\n");
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return err;
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}
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if (err > 0) {
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num_msix = rounddown_pow_of_two(err);
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if (num_msix)
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goto enable_msix;
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}
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}
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return err;
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}
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static void qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter)
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{
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u32 offset, mask_reg;
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const struct qlcnic_legacy_intr_set *legacy_intrp;
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struct qlcnic_hardware_context *ahw = adapter->ahw;
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struct pci_dev *pdev = adapter->pdev;
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if (qlcnic_use_msi && !pci_enable_msi(pdev)) {
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adapter->flags |= QLCNIC_MSI_ENABLED;
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offset = msi_tgt_status[adapter->ahw->pci_func];
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adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw,
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offset);
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dev_info(&pdev->dev, "using msi interrupts\n");
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adapter->msix_entries[0].vector = pdev->irq;
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return;
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}
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legacy_intrp = &legacy_intr[adapter->ahw->pci_func];
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adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit;
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offset = legacy_intrp->tgt_status_reg;
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adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset);
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mask_reg = legacy_intrp->tgt_mask_reg;
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adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg);
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adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR);
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adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG);
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dev_info(&pdev->dev, "using legacy interrupts\n");
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adapter->msix_entries[0].vector = pdev->irq;
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}
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static void
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qlcnic_setup_intr(struct qlcnic_adapter *adapter)
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{
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int num_msix;
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if (adapter->ahw->msix_supported) {
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num_msix = rounddown_pow_of_two(min_t(int, num_online_cpus(),
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QLCNIC_DEF_NUM_STS_DESC_RINGS));
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} else
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num_msix = 1;
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if (!qlcnic_enable_msix(adapter, num_msix))
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return;
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qlcnic_enable_msi_legacy(adapter);
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}
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static void
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qlcnic_teardown_intr(struct qlcnic_adapter *adapter)
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{
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if (adapter->flags & QLCNIC_MSIX_ENABLED)
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pci_disable_msix(adapter->pdev);
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if (adapter->flags & QLCNIC_MSI_ENABLED)
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pci_disable_msi(adapter->pdev);
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}
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static void
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qlcnic_cleanup_pci_map(struct qlcnic_adapter *adapter)
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{
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if (adapter->ahw->pci_base0 != NULL)
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iounmap(adapter->ahw->pci_base0);
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}
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static int qlcnic_init_pci_info(struct qlcnic_adapter *adapter)
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{
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struct qlcnic_pci_info *pci_info;
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int i, ret = 0, j = 0;
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u16 act_pci_func;
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u8 pfn;
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pci_info = kcalloc(QLCNIC_MAX_PCI_FUNC, sizeof(*pci_info), GFP_KERNEL);
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if (!pci_info)
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return -ENOMEM;
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ret = qlcnic_get_pci_info(adapter, pci_info);
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if (ret)
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goto err_pci_info;
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act_pci_func = adapter->ahw->act_pci_func;
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adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) *
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act_pci_func, GFP_KERNEL);
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if (!adapter->npars) {
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ret = -ENOMEM;
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goto err_pci_info;
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}
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adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) *
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QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL);
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if (!adapter->eswitch) {
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ret = -ENOMEM;
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goto err_npars;
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}
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for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
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pfn = pci_info[i].id;
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if (pfn >= QLCNIC_MAX_PCI_FUNC) {
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ret = QL_STATUS_INVALID_PARAM;
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goto err_eswitch;
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}
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if (!pci_info[i].active ||
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(pci_info[i].type != QLCNIC_TYPE_NIC))
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continue;
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adapter->npars[j].pci_func = pfn;
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adapter->npars[j].active = (u8)pci_info[i].active;
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adapter->npars[j].type = (u8)pci_info[i].type;
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adapter->npars[j].phy_port = (u8)pci_info[i].default_port;
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adapter->npars[j].min_bw = pci_info[i].tx_min_bw;
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adapter->npars[j].max_bw = pci_info[i].tx_max_bw;
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j++;
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}
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for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++)
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adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE;
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kfree(pci_info);
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return 0;
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err_eswitch:
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kfree(adapter->eswitch);
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adapter->eswitch = NULL;
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err_npars:
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kfree(adapter->npars);
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adapter->npars = NULL;
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err_pci_info:
|
|
kfree(pci_info);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
qlcnic_set_function_modes(struct qlcnic_adapter *adapter)
|
|
{
|
|
u8 id;
|
|
int i, ret = 1;
|
|
u32 data = QLCNIC_MGMT_FUNC;
|
|
struct qlcnic_hardware_context *ahw = adapter->ahw;
|
|
|
|
ret = qlcnic_api_lock(adapter);
|
|
if (ret)
|
|
goto err_lock;
|
|
|
|
if (qlcnic_config_npars) {
|
|
for (i = 0; i < ahw->act_pci_func; i++) {
|
|
id = adapter->npars[i].pci_func;
|
|
if (id == ahw->pci_func)
|
|
continue;
|
|
data |= (qlcnic_config_npars &
|
|
QLC_DEV_SET_DRV(0xf, id));
|
|
}
|
|
} else {
|
|
data = QLCRD32(adapter, QLCNIC_DRV_OP_MODE);
|
|
data = (data & ~QLC_DEV_SET_DRV(0xf, ahw->pci_func)) |
|
|
(QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC,
|
|
ahw->pci_func));
|
|
}
|
|
QLCWR32(adapter, QLCNIC_DRV_OP_MODE, data);
|
|
qlcnic_api_unlock(adapter);
|
|
err_lock:
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
qlcnic_check_vf(struct qlcnic_adapter *adapter)
|
|
{
|
|
void __iomem *msix_base_addr;
|
|
void __iomem *priv_op;
|
|
u32 func;
|
|
u32 msix_base;
|
|
u32 op_mode, priv_level;
|
|
|
|
/* Determine FW API version */
|
|
adapter->ahw->fw_hal_version = readl(adapter->ahw->pci_base0 +
|
|
QLCNIC_FW_API);
|
|
|
|
/* Find PCI function number */
|
|
pci_read_config_dword(adapter->pdev, QLCNIC_MSIX_TABLE_OFFSET, &func);
|
|
msix_base_addr = adapter->ahw->pci_base0 + QLCNIC_MSIX_BASE;
|
|
msix_base = readl(msix_base_addr);
|
|
func = (func - msix_base)/QLCNIC_MSIX_TBL_PGSIZE;
|
|
adapter->ahw->pci_func = func;
|
|
|
|
/* Determine function privilege level */
|
|
priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE;
|
|
op_mode = readl(priv_op);
|
|
if (op_mode == QLC_DEV_DRV_DEFAULT)
|
|
priv_level = QLCNIC_MGMT_FUNC;
|
|
else
|
|
priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
|
|
|
|
if (priv_level == QLCNIC_NON_PRIV_FUNC) {
|
|
adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
|
|
dev_info(&adapter->pdev->dev,
|
|
"HAL Version: %d Non Privileged function\n",
|
|
adapter->ahw->fw_hal_version);
|
|
adapter->nic_ops = &qlcnic_vf_ops;
|
|
} else
|
|
adapter->nic_ops = &qlcnic_ops;
|
|
}
|
|
|
|
#define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL
|
|
static void qlcnic_get_bar_length(u32 dev_id, ulong *bar)
|
|
{
|
|
switch (dev_id) {
|
|
case PCI_DEVICE_ID_QLOGIC_QLE824X:
|
|
*bar = QLCNIC_82XX_BAR0_LENGTH;
|
|
break;
|
|
default:
|
|
*bar = 0;
|
|
}
|
|
}
|
|
|
|
static int qlcnic_setup_pci_map(struct pci_dev *pdev,
|
|
struct qlcnic_hardware_context *ahw)
|
|
{
|
|
u32 offset;
|
|
void __iomem *mem_ptr0 = NULL;
|
|
unsigned long mem_len, pci_len0 = 0, bar0_len;
|
|
|
|
/* remap phys address */
|
|
mem_len = pci_resource_len(pdev, 0);
|
|
|
|
qlcnic_get_bar_length(pdev->device, &bar0_len);
|
|
if (mem_len >= bar0_len) {
|
|
|
|
mem_ptr0 = pci_ioremap_bar(pdev, 0);
|
|
if (mem_ptr0 == NULL) {
|
|
dev_err(&pdev->dev, "failed to map PCI bar 0\n");
|
|
return -EIO;
|
|
}
|
|
pci_len0 = mem_len;
|
|
} else {
|
|
return -EIO;
|
|
}
|
|
|
|
dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
|
|
ahw->pci_base0 = mem_ptr0;
|
|
ahw->pci_len0 = pci_len0;
|
|
offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func));
|
|
qlcnic_get_ioaddr(ahw, offset);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name)
|
|
{
|
|
struct pci_dev *pdev = adapter->pdev;
|
|
int i, found = 0;
|
|
|
|
for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) {
|
|
if (qlcnic_boards[i].vendor == pdev->vendor &&
|
|
qlcnic_boards[i].device == pdev->device &&
|
|
qlcnic_boards[i].sub_vendor == pdev->subsystem_vendor &&
|
|
qlcnic_boards[i].sub_device == pdev->subsystem_device) {
|
|
sprintf(name, "%pM: %s" ,
|
|
adapter->mac_addr,
|
|
qlcnic_boards[i].short_name);
|
|
found = 1;
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
if (!found)
|
|
sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr);
|
|
}
|
|
|
|
static void
|
|
qlcnic_check_options(struct qlcnic_adapter *adapter)
|
|
{
|
|
u32 fw_major, fw_minor, fw_build, prev_fw_version;
|
|
struct pci_dev *pdev = adapter->pdev;
|
|
struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
|
|
|
|
prev_fw_version = adapter->fw_version;
|
|
|
|
fw_major = QLCRD32(adapter, QLCNIC_FW_VERSION_MAJOR);
|
|
fw_minor = QLCRD32(adapter, QLCNIC_FW_VERSION_MINOR);
|
|
fw_build = QLCRD32(adapter, QLCNIC_FW_VERSION_SUB);
|
|
|
|
adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build);
|
|
|
|
if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC) {
|
|
if (fw_dump->tmpl_hdr == NULL ||
|
|
adapter->fw_version > prev_fw_version) {
|
|
if (fw_dump->tmpl_hdr)
|
|
vfree(fw_dump->tmpl_hdr);
|
|
if (!qlcnic_fw_cmd_get_minidump_temp(adapter))
|
|
dev_info(&pdev->dev,
|
|
"Supports FW dump capability\n");
|
|
}
|
|
}
|
|
|
|
dev_info(&pdev->dev, "firmware v%d.%d.%d\n",
|
|
fw_major, fw_minor, fw_build);
|
|
if (adapter->ahw->port_type == QLCNIC_XGBE) {
|
|
if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
|
|
adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
|
|
adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
|
|
} else {
|
|
adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
|
|
adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G;
|
|
}
|
|
|
|
adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
|
|
adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
|
|
|
|
} else if (adapter->ahw->port_type == QLCNIC_GBE) {
|
|
adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
|
|
adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
|
|
adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
|
|
adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
|
|
}
|
|
|
|
adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
|
|
|
|
adapter->num_txd = MAX_CMD_DESCRIPTORS;
|
|
|
|
adapter->max_rds_rings = MAX_RDS_RINGS;
|
|
}
|
|
|
|
static int
|
|
qlcnic_initialize_nic(struct qlcnic_adapter *adapter)
|
|
{
|
|
int err;
|
|
struct qlcnic_info nic_info;
|
|
|
|
memset(&nic_info, 0, sizeof(struct qlcnic_info));
|
|
err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func);
|
|
if (err)
|
|
return err;
|
|
|
|
adapter->ahw->physical_port = (u8)nic_info.phys_port;
|
|
adapter->ahw->switch_mode = nic_info.switch_mode;
|
|
adapter->ahw->max_tx_ques = nic_info.max_tx_ques;
|
|
adapter->ahw->max_rx_ques = nic_info.max_rx_ques;
|
|
adapter->ahw->capabilities = nic_info.capabilities;
|
|
adapter->ahw->max_mac_filters = nic_info.max_mac_filters;
|
|
adapter->ahw->max_mtu = nic_info.max_mtu;
|
|
|
|
if (adapter->ahw->capabilities & BIT_6)
|
|
adapter->flags |= QLCNIC_ESWITCH_ENABLED;
|
|
else
|
|
adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
|
|
|
|
return err;
|
|
}
|
|
|
|
void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
|
|
struct qlcnic_esw_func_cfg *esw_cfg)
|
|
{
|
|
if (esw_cfg->discard_tagged)
|
|
adapter->flags &= ~QLCNIC_TAGGING_ENABLED;
|
|
else
|
|
adapter->flags |= QLCNIC_TAGGING_ENABLED;
|
|
|
|
if (esw_cfg->vlan_id)
|
|
adapter->pvid = esw_cfg->vlan_id;
|
|
else
|
|
adapter->pvid = 0;
|
|
}
|
|
|
|
static int
|
|
qlcnic_vlan_rx_add(struct net_device *netdev, u16 vid)
|
|
{
|
|
struct qlcnic_adapter *adapter = netdev_priv(netdev);
|
|
set_bit(vid, adapter->vlans);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
qlcnic_vlan_rx_del(struct net_device *netdev, u16 vid)
|
|
{
|
|
struct qlcnic_adapter *adapter = netdev_priv(netdev);
|
|
|
|
qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
|
|
clear_bit(vid, adapter->vlans);
|
|
return 0;
|
|
}
|
|
|
|
void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter,
|
|
struct qlcnic_esw_func_cfg *esw_cfg)
|
|
{
|
|
adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED |
|
|
QLCNIC_PROMISC_DISABLED);
|
|
|
|
if (esw_cfg->mac_anti_spoof)
|
|
adapter->flags |= QLCNIC_MACSPOOF;
|
|
|
|
if (!esw_cfg->mac_override)
|
|
adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED;
|
|
|
|
if (!esw_cfg->promisc_mode)
|
|
adapter->flags |= QLCNIC_PROMISC_DISABLED;
|
|
|
|
qlcnic_set_netdev_features(adapter, esw_cfg);
|
|
}
|
|
|
|
static int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter)
|
|
{
|
|
struct qlcnic_esw_func_cfg esw_cfg;
|
|
|
|
if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
|
|
return 0;
|
|
|
|
esw_cfg.pci_func = adapter->ahw->pci_func;
|
|
if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg))
|
|
return -EIO;
|
|
qlcnic_set_vlan_config(adapter, &esw_cfg);
|
|
qlcnic_set_eswitch_port_features(adapter, &esw_cfg);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
qlcnic_set_netdev_features(struct qlcnic_adapter *adapter,
|
|
struct qlcnic_esw_func_cfg *esw_cfg)
|
|
{
|
|
struct net_device *netdev = adapter->netdev;
|
|
netdev_features_t features, vlan_features;
|
|
|
|
features = (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
|
|
NETIF_F_IPV6_CSUM | NETIF_F_GRO);
|
|
vlan_features = (NETIF_F_SG | NETIF_F_IP_CSUM |
|
|
NETIF_F_IPV6_CSUM | NETIF_F_HW_VLAN_FILTER);
|
|
|
|
if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO) {
|
|
features |= (NETIF_F_TSO | NETIF_F_TSO6);
|
|
vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
|
|
}
|
|
|
|
if (netdev->features & NETIF_F_LRO)
|
|
features |= NETIF_F_LRO;
|
|
|
|
if (esw_cfg->offload_flags & BIT_0) {
|
|
netdev->features |= features;
|
|
if (!(esw_cfg->offload_flags & BIT_1))
|
|
netdev->features &= ~NETIF_F_TSO;
|
|
if (!(esw_cfg->offload_flags & BIT_2))
|
|
netdev->features &= ~NETIF_F_TSO6;
|
|
} else {
|
|
netdev->features &= ~features;
|
|
}
|
|
|
|
netdev->vlan_features = (features & vlan_features);
|
|
}
|
|
|
|
static int
|
|
qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter)
|
|
{
|
|
void __iomem *priv_op;
|
|
u32 op_mode, priv_level;
|
|
int err = 0;
|
|
|
|
err = qlcnic_initialize_nic(adapter);
|
|
if (err)
|
|
return err;
|
|
|
|
if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED)
|
|
return 0;
|
|
|
|
priv_op = adapter->ahw->pci_base0 + QLCNIC_DRV_OP_MODE;
|
|
op_mode = readl(priv_op);
|
|
priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
|
|
|
|
if (op_mode == QLC_DEV_DRV_DEFAULT)
|
|
priv_level = QLCNIC_MGMT_FUNC;
|
|
else
|
|
priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func);
|
|
|
|
if (adapter->flags & QLCNIC_ESWITCH_ENABLED) {
|
|
if (priv_level == QLCNIC_MGMT_FUNC) {
|
|
adapter->ahw->op_mode = QLCNIC_MGMT_FUNC;
|
|
err = qlcnic_init_pci_info(adapter);
|
|
if (err)
|
|
return err;
|
|
/* Set privilege level for other functions */
|
|
qlcnic_set_function_modes(adapter);
|
|
dev_info(&adapter->pdev->dev,
|
|
"HAL Version: %d, Management function\n",
|
|
adapter->ahw->fw_hal_version);
|
|
} else if (priv_level == QLCNIC_PRIV_FUNC) {
|
|
adapter->ahw->op_mode = QLCNIC_PRIV_FUNC;
|
|
dev_info(&adapter->pdev->dev,
|
|
"HAL Version: %d, Privileged function\n",
|
|
adapter->ahw->fw_hal_version);
|
|
}
|
|
}
|
|
|
|
adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
|
|
|
|
return err;
|
|
}
|
|
|
|
static int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter)
|
|
{
|
|
struct qlcnic_esw_func_cfg esw_cfg;
|
|
struct qlcnic_npar_info *npar;
|
|
u8 i;
|
|
|
|
if (adapter->need_fw_reset)
|
|
return 0;
|
|
|
|
for (i = 0; i < adapter->ahw->act_pci_func; i++) {
|
|
memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg));
|
|
esw_cfg.pci_func = adapter->npars[i].pci_func;
|
|
esw_cfg.mac_override = BIT_0;
|
|
esw_cfg.promisc_mode = BIT_0;
|
|
if (qlcnic_82xx_check(adapter)) {
|
|
esw_cfg.offload_flags = BIT_0;
|
|
if (QLCNIC_IS_TSO_CAPABLE(adapter))
|
|
esw_cfg.offload_flags |= (BIT_1 | BIT_2);
|
|
}
|
|
if (qlcnic_config_switch_port(adapter, &esw_cfg))
|
|
return -EIO;
|
|
npar = &adapter->npars[i];
|
|
npar->pvid = esw_cfg.vlan_id;
|
|
npar->mac_override = esw_cfg.mac_override;
|
|
npar->mac_anti_spoof = esw_cfg.mac_anti_spoof;
|
|
npar->discard_tagged = esw_cfg.discard_tagged;
|
|
npar->promisc_mode = esw_cfg.promisc_mode;
|
|
npar->offload_flags = esw_cfg.offload_flags;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter,
|
|
struct qlcnic_npar_info *npar, int pci_func)
|
|
{
|
|
struct qlcnic_esw_func_cfg esw_cfg;
|
|
esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS;
|
|
esw_cfg.pci_func = pci_func;
|
|
esw_cfg.vlan_id = npar->pvid;
|
|
esw_cfg.mac_override = npar->mac_override;
|
|
esw_cfg.discard_tagged = npar->discard_tagged;
|
|
esw_cfg.mac_anti_spoof = npar->mac_anti_spoof;
|
|
esw_cfg.offload_flags = npar->offload_flags;
|
|
esw_cfg.promisc_mode = npar->promisc_mode;
|
|
if (qlcnic_config_switch_port(adapter, &esw_cfg))
|
|
return -EIO;
|
|
|
|
esw_cfg.op_mode = QLCNIC_ADD_VLAN;
|
|
if (qlcnic_config_switch_port(adapter, &esw_cfg))
|
|
return -EIO;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter)
|
|
{
|
|
int i, err;
|
|
struct qlcnic_npar_info *npar;
|
|
struct qlcnic_info nic_info;
|
|
u8 pci_func;
|
|
|
|
if (qlcnic_82xx_check(adapter))
|
|
if (!adapter->need_fw_reset)
|
|
return 0;
|
|
|
|
/* Set the NPAR config data after FW reset */
|
|
for (i = 0; i < adapter->ahw->act_pci_func; i++) {
|
|
npar = &adapter->npars[i];
|
|
pci_func = npar->pci_func;
|
|
memset(&nic_info, 0, sizeof(struct qlcnic_info));
|
|
err = qlcnic_get_nic_info(adapter,
|
|
&nic_info, pci_func);
|
|
if (err)
|
|
return err;
|
|
nic_info.min_tx_bw = npar->min_bw;
|
|
nic_info.max_tx_bw = npar->max_bw;
|
|
err = qlcnic_set_nic_info(adapter, &nic_info);
|
|
if (err)
|
|
return err;
|
|
|
|
if (npar->enable_pm) {
|
|
err = qlcnic_config_port_mirroring(adapter,
|
|
npar->dest_npar, 1,
|
|
pci_func);
|
|
if (err)
|
|
return err;
|
|
}
|
|
err = qlcnic_reset_eswitch_config(adapter, npar, pci_func);
|
|
if (err)
|
|
return err;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter)
|
|
{
|
|
u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO;
|
|
u32 npar_state;
|
|
|
|
if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC)
|
|
return 0;
|
|
|
|
npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
|
|
while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) {
|
|
msleep(1000);
|
|
npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
|
|
}
|
|
if (!npar_opt_timeo) {
|
|
dev_err(&adapter->pdev->dev,
|
|
"Waiting for NPAR state to opertional timeout\n");
|
|
return -EIO;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter)
|
|
{
|
|
int err;
|
|
|
|
if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) ||
|
|
adapter->ahw->op_mode != QLCNIC_MGMT_FUNC)
|
|
return 0;
|
|
|
|
err = qlcnic_set_default_offload_settings(adapter);
|
|
if (err)
|
|
return err;
|
|
|
|
err = qlcnic_reset_npar_config(adapter);
|
|
if (err)
|
|
return err;
|
|
|
|
qlcnic_dev_set_npar_ready(adapter);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int
|
|
qlcnic_start_firmware(struct qlcnic_adapter *adapter)
|
|
{
|
|
int err;
|
|
|
|
err = qlcnic_can_start_firmware(adapter);
|
|
if (err < 0)
|
|
return err;
|
|
else if (!err)
|
|
goto check_fw_status;
|
|
|
|
if (qlcnic_load_fw_file)
|
|
qlcnic_request_firmware(adapter);
|
|
else {
|
|
err = qlcnic_check_flash_fw_ver(adapter);
|
|
if (err)
|
|
goto err_out;
|
|
|
|
adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE;
|
|
}
|
|
|
|
err = qlcnic_need_fw_reset(adapter);
|
|
if (err == 0)
|
|
goto check_fw_status;
|
|
|
|
err = qlcnic_pinit_from_rom(adapter);
|
|
if (err)
|
|
goto err_out;
|
|
|
|
err = qlcnic_load_firmware(adapter);
|
|
if (err)
|
|
goto err_out;
|
|
|
|
qlcnic_release_firmware(adapter);
|
|
QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION);
|
|
|
|
check_fw_status:
|
|
err = qlcnic_check_fw_status(adapter);
|
|
if (err)
|
|
goto err_out;
|
|
|
|
QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
|
|
qlcnic_idc_debug_info(adapter, 1);
|
|
|
|
err = qlcnic_check_eswitch_mode(adapter);
|
|
if (err) {
|
|
dev_err(&adapter->pdev->dev,
|
|
"Memory allocation failed for eswitch\n");
|
|
goto err_out;
|
|
}
|
|
err = qlcnic_set_mgmt_operations(adapter);
|
|
if (err)
|
|
goto err_out;
|
|
|
|
qlcnic_check_options(adapter);
|
|
adapter->need_fw_reset = 0;
|
|
|
|
qlcnic_release_firmware(adapter);
|
|
return 0;
|
|
|
|
err_out:
|
|
QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
|
|
dev_err(&adapter->pdev->dev, "Device state set to failed\n");
|
|
|
|
qlcnic_release_firmware(adapter);
|
|
return err;
|
|
}
|
|
|
|
static int
|
|
qlcnic_request_irq(struct qlcnic_adapter *adapter)
|
|
{
|
|
irq_handler_t handler;
|
|
struct qlcnic_host_sds_ring *sds_ring;
|
|
int err, ring;
|
|
|
|
unsigned long flags = 0;
|
|
struct net_device *netdev = adapter->netdev;
|
|
struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
|
|
|
|
if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
|
|
handler = qlcnic_tmp_intr;
|
|
if (!QLCNIC_IS_MSI_FAMILY(adapter))
|
|
flags |= IRQF_SHARED;
|
|
|
|
} else {
|
|
if (adapter->flags & QLCNIC_MSIX_ENABLED)
|
|
handler = qlcnic_msix_intr;
|
|
else if (adapter->flags & QLCNIC_MSI_ENABLED)
|
|
handler = qlcnic_msi_intr;
|
|
else {
|
|
flags |= IRQF_SHARED;
|
|
handler = qlcnic_intr;
|
|
}
|
|
}
|
|
adapter->irq = netdev->irq;
|
|
|
|
for (ring = 0; ring < adapter->max_sds_rings; ring++) {
|
|
sds_ring = &recv_ctx->sds_rings[ring];
|
|
sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
|
|
err = request_irq(sds_ring->irq, handler,
|
|
flags, sds_ring->name, sds_ring);
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
qlcnic_free_irq(struct qlcnic_adapter *adapter)
|
|
{
|
|
int ring;
|
|
struct qlcnic_host_sds_ring *sds_ring;
|
|
|
|
struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
|
|
|
|
for (ring = 0; ring < adapter->max_sds_rings; ring++) {
|
|
sds_ring = &recv_ctx->sds_rings[ring];
|
|
free_irq(sds_ring->irq, sds_ring);
|
|
}
|
|
}
|
|
|
|
static int
|
|
__qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
|
|
{
|
|
int ring;
|
|
u32 capab2;
|
|
|
|
struct qlcnic_host_rds_ring *rds_ring;
|
|
|
|
if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
|
|
return -EIO;
|
|
|
|
if (test_bit(__QLCNIC_DEV_UP, &adapter->state))
|
|
return 0;
|
|
if (qlcnic_set_eswitch_port_config(adapter))
|
|
return -EIO;
|
|
|
|
if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) {
|
|
capab2 = QLCRD32(adapter, CRB_FW_CAPABILITIES_2);
|
|
if (capab2 & QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
|
|
adapter->flags |= QLCNIC_FW_LRO_MSS_CAP;
|
|
}
|
|
|
|
if (qlcnic_fw_create_ctx(adapter))
|
|
return -EIO;
|
|
|
|
for (ring = 0; ring < adapter->max_rds_rings; ring++) {
|
|
rds_ring = &adapter->recv_ctx->rds_rings[ring];
|
|
qlcnic_post_rx_buffers(adapter, rds_ring);
|
|
}
|
|
|
|
qlcnic_set_multi(netdev);
|
|
qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu);
|
|
|
|
adapter->ahw->linkup = 0;
|
|
|
|
if (adapter->max_sds_rings > 1)
|
|
qlcnic_config_rss(adapter, 1);
|
|
|
|
qlcnic_config_intr_coalesce(adapter);
|
|
|
|
if (netdev->features & NETIF_F_LRO)
|
|
qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED);
|
|
|
|
qlcnic_napi_enable(adapter);
|
|
|
|
qlcnic_linkevent_request(adapter, 1);
|
|
|
|
adapter->ahw->reset_context = 0;
|
|
set_bit(__QLCNIC_DEV_UP, &adapter->state);
|
|
return 0;
|
|
}
|
|
|
|
/* Usage: During resume and firmware recovery module.*/
|
|
|
|
static int
|
|
qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev)
|
|
{
|
|
int err = 0;
|
|
|
|
rtnl_lock();
|
|
if (netif_running(netdev))
|
|
err = __qlcnic_up(adapter, netdev);
|
|
rtnl_unlock();
|
|
|
|
return err;
|
|
}
|
|
|
|
static void
|
|
__qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
|
|
{
|
|
if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
|
|
return;
|
|
|
|
if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state))
|
|
return;
|
|
|
|
smp_mb();
|
|
spin_lock(&adapter->tx_clean_lock);
|
|
netif_carrier_off(netdev);
|
|
netif_tx_disable(netdev);
|
|
|
|
qlcnic_free_mac_list(adapter);
|
|
|
|
if (adapter->fhash.fnum)
|
|
qlcnic_delete_lb_filters(adapter);
|
|
|
|
qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE);
|
|
|
|
qlcnic_napi_disable(adapter);
|
|
|
|
qlcnic_fw_destroy_ctx(adapter);
|
|
adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP;
|
|
|
|
qlcnic_reset_rx_buffers_list(adapter);
|
|
qlcnic_release_tx_buffers(adapter);
|
|
spin_unlock(&adapter->tx_clean_lock);
|
|
}
|
|
|
|
/* Usage: During suspend and firmware recovery module */
|
|
|
|
static void
|
|
qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
|
|
{
|
|
rtnl_lock();
|
|
if (netif_running(netdev))
|
|
__qlcnic_down(adapter, netdev);
|
|
rtnl_unlock();
|
|
|
|
}
|
|
|
|
static int
|
|
qlcnic_attach(struct qlcnic_adapter *adapter)
|
|
{
|
|
struct net_device *netdev = adapter->netdev;
|
|
struct pci_dev *pdev = adapter->pdev;
|
|
int err;
|
|
|
|
if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC)
|
|
return 0;
|
|
|
|
err = qlcnic_napi_add(adapter, netdev);
|
|
if (err)
|
|
return err;
|
|
|
|
err = qlcnic_alloc_sw_resources(adapter);
|
|
if (err) {
|
|
dev_err(&pdev->dev, "Error in setting sw resources\n");
|
|
goto err_out_napi_del;
|
|
}
|
|
|
|
err = qlcnic_alloc_hw_resources(adapter);
|
|
if (err) {
|
|
dev_err(&pdev->dev, "Error in setting hw resources\n");
|
|
goto err_out_free_sw;
|
|
}
|
|
|
|
err = qlcnic_request_irq(adapter);
|
|
if (err) {
|
|
dev_err(&pdev->dev, "failed to setup interrupt\n");
|
|
goto err_out_free_hw;
|
|
}
|
|
|
|
qlcnic_create_sysfs_entries(adapter);
|
|
|
|
adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC;
|
|
return 0;
|
|
|
|
err_out_free_hw:
|
|
qlcnic_free_hw_resources(adapter);
|
|
err_out_free_sw:
|
|
qlcnic_free_sw_resources(adapter);
|
|
err_out_napi_del:
|
|
qlcnic_napi_del(adapter);
|
|
return err;
|
|
}
|
|
|
|
static void
|
|
qlcnic_detach(struct qlcnic_adapter *adapter)
|
|
{
|
|
if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
|
|
return;
|
|
|
|
qlcnic_remove_sysfs_entries(adapter);
|
|
|
|
qlcnic_free_hw_resources(adapter);
|
|
qlcnic_release_rx_buffers(adapter);
|
|
qlcnic_free_irq(adapter);
|
|
qlcnic_napi_del(adapter);
|
|
qlcnic_free_sw_resources(adapter);
|
|
|
|
adapter->is_up = 0;
|
|
}
|
|
|
|
void qlcnic_diag_free_res(struct net_device *netdev, int max_sds_rings)
|
|
{
|
|
struct qlcnic_adapter *adapter = netdev_priv(netdev);
|
|
struct qlcnic_host_sds_ring *sds_ring;
|
|
int ring;
|
|
|
|
clear_bit(__QLCNIC_DEV_UP, &adapter->state);
|
|
if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
|
|
for (ring = 0; ring < adapter->max_sds_rings; ring++) {
|
|
sds_ring = &adapter->recv_ctx->sds_rings[ring];
|
|
qlcnic_disable_int(sds_ring);
|
|
}
|
|
}
|
|
|
|
qlcnic_fw_destroy_ctx(adapter);
|
|
|
|
qlcnic_detach(adapter);
|
|
|
|
adapter->ahw->diag_test = 0;
|
|
adapter->max_sds_rings = max_sds_rings;
|
|
|
|
if (qlcnic_attach(adapter))
|
|
goto out;
|
|
|
|
if (netif_running(netdev))
|
|
__qlcnic_up(adapter, netdev);
|
|
out:
|
|
netif_device_attach(netdev);
|
|
}
|
|
|
|
static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter)
|
|
{
|
|
int err = 0;
|
|
adapter->ahw = kzalloc(sizeof(struct qlcnic_hardware_context),
|
|
GFP_KERNEL);
|
|
if (!adapter->ahw) {
|
|
dev_err(&adapter->pdev->dev,
|
|
"Failed to allocate recv ctx resources for adapter\n");
|
|
err = -ENOMEM;
|
|
goto err_out;
|
|
}
|
|
adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context),
|
|
GFP_KERNEL);
|
|
if (!adapter->recv_ctx) {
|
|
dev_err(&adapter->pdev->dev,
|
|
"Failed to allocate recv ctx resources for adapter\n");
|
|
kfree(adapter->ahw);
|
|
adapter->ahw = NULL;
|
|
err = -ENOMEM;
|
|
goto err_out;
|
|
}
|
|
/* Initialize interrupt coalesce parameters */
|
|
adapter->ahw->coal.flag = QLCNIC_INTR_DEFAULT;
|
|
adapter->ahw->coal.rx_time_us = QLCNIC_DEFAULT_INTR_COALESCE_RX_TIME_US;
|
|
adapter->ahw->coal.rx_packets = QLCNIC_DEFAULT_INTR_COALESCE_RX_PACKETS;
|
|
err_out:
|
|
return err;
|
|
}
|
|
|
|
static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter)
|
|
{
|
|
kfree(adapter->recv_ctx);
|
|
adapter->recv_ctx = NULL;
|
|
|
|
if (adapter->ahw->fw_dump.tmpl_hdr) {
|
|
vfree(adapter->ahw->fw_dump.tmpl_hdr);
|
|
adapter->ahw->fw_dump.tmpl_hdr = NULL;
|
|
}
|
|
kfree(adapter->ahw);
|
|
adapter->ahw = NULL;
|
|
}
|
|
|
|
int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
|
|
{
|
|
struct qlcnic_adapter *adapter = netdev_priv(netdev);
|
|
struct qlcnic_host_sds_ring *sds_ring;
|
|
struct qlcnic_host_rds_ring *rds_ring;
|
|
int ring;
|
|
int ret;
|
|
|
|
netif_device_detach(netdev);
|
|
|
|
if (netif_running(netdev))
|
|
__qlcnic_down(adapter, netdev);
|
|
|
|
qlcnic_detach(adapter);
|
|
|
|
adapter->max_sds_rings = 1;
|
|
adapter->ahw->diag_test = test;
|
|
|
|
ret = qlcnic_attach(adapter);
|
|
if (ret) {
|
|
netif_device_attach(netdev);
|
|
return ret;
|
|
}
|
|
|
|
ret = qlcnic_fw_create_ctx(adapter);
|
|
if (ret) {
|
|
qlcnic_detach(adapter);
|
|
netif_device_attach(netdev);
|
|
return ret;
|
|
}
|
|
|
|
for (ring = 0; ring < adapter->max_rds_rings; ring++) {
|
|
rds_ring = &adapter->recv_ctx->rds_rings[ring];
|
|
qlcnic_post_rx_buffers(adapter, rds_ring);
|
|
}
|
|
|
|
if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
|
|
for (ring = 0; ring < adapter->max_sds_rings; ring++) {
|
|
sds_ring = &adapter->recv_ctx->sds_rings[ring];
|
|
qlcnic_enable_int(sds_ring);
|
|
}
|
|
}
|
|
|
|
if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
|
|
adapter->ahw->loopback_state = 0;
|
|
qlcnic_linkevent_request(adapter, 1);
|
|
}
|
|
|
|
set_bit(__QLCNIC_DEV_UP, &adapter->state);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Reset context in hardware only */
|
|
static int
|
|
qlcnic_reset_hw_context(struct qlcnic_adapter *adapter)
|
|
{
|
|
struct net_device *netdev = adapter->netdev;
|
|
|
|
if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
|
|
return -EBUSY;
|
|
|
|
netif_device_detach(netdev);
|
|
|
|
qlcnic_down(adapter, netdev);
|
|
|
|
qlcnic_up(adapter, netdev);
|
|
|
|
netif_device_attach(netdev);
|
|
|
|
clear_bit(__QLCNIC_RESETTING, &adapter->state);
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
qlcnic_reset_context(struct qlcnic_adapter *adapter)
|
|
{
|
|
int err = 0;
|
|
struct net_device *netdev = adapter->netdev;
|
|
|
|
if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
|
|
return -EBUSY;
|
|
|
|
if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
|
|
|
|
netif_device_detach(netdev);
|
|
|
|
if (netif_running(netdev))
|
|
__qlcnic_down(adapter, netdev);
|
|
|
|
qlcnic_detach(adapter);
|
|
|
|
if (netif_running(netdev)) {
|
|
err = qlcnic_attach(adapter);
|
|
if (!err) {
|
|
__qlcnic_up(adapter, netdev);
|
|
qlcnic_restore_indev_addr(netdev, NETDEV_UP);
|
|
}
|
|
}
|
|
|
|
netif_device_attach(netdev);
|
|
}
|
|
|
|
clear_bit(__QLCNIC_RESETTING, &adapter->state);
|
|
return err;
|
|
}
|
|
|
|
static int
|
|
qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
|
|
int pci_using_dac)
|
|
{
|
|
int err;
|
|
struct pci_dev *pdev = adapter->pdev;
|
|
|
|
adapter->ahw->mc_enabled = 0;
|
|
adapter->ahw->max_mc_count = 38;
|
|
|
|
netdev->netdev_ops = &qlcnic_netdev_ops;
|
|
netdev->watchdog_timeo = 5*HZ;
|
|
|
|
qlcnic_change_mtu(netdev, netdev->mtu);
|
|
|
|
SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops);
|
|
|
|
netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM |
|
|
NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM;
|
|
|
|
if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_TSO)
|
|
netdev->hw_features |= NETIF_F_TSO | NETIF_F_TSO6;
|
|
if (pci_using_dac == 1)
|
|
netdev->hw_features |= NETIF_F_HIGHDMA;
|
|
|
|
netdev->vlan_features = netdev->hw_features;
|
|
|
|
if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX)
|
|
netdev->hw_features |= NETIF_F_HW_VLAN_TX;
|
|
if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
|
|
netdev->hw_features |= NETIF_F_LRO;
|
|
|
|
netdev->features |= netdev->hw_features |
|
|
NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER;
|
|
|
|
netdev->irq = adapter->msix_entries[0].vector;
|
|
|
|
err = register_netdev(netdev);
|
|
if (err) {
|
|
dev_err(&pdev->dev, "failed to register net device\n");
|
|
return err;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac)
|
|
{
|
|
if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
|
|
!pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))
|
|
*pci_using_dac = 1;
|
|
else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) &&
|
|
!pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
|
|
*pci_using_dac = 0;
|
|
else {
|
|
dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n");
|
|
return -EIO;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
qlcnic_alloc_msix_entries(struct qlcnic_adapter *adapter, u16 count)
|
|
{
|
|
adapter->msix_entries = kcalloc(count, sizeof(struct msix_entry),
|
|
GFP_KERNEL);
|
|
|
|
if (adapter->msix_entries)
|
|
return 0;
|
|
|
|
dev_err(&adapter->pdev->dev, "failed allocating msix_entries\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
static int
|
|
qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
|
|
{
|
|
struct net_device *netdev = NULL;
|
|
struct qlcnic_adapter *adapter = NULL;
|
|
int err, pci_using_dac = -1;
|
|
uint8_t revision_id;
|
|
char board_name[QLCNIC_MAX_BOARD_NAME_LEN];
|
|
|
|
err = pci_enable_device(pdev);
|
|
if (err)
|
|
return err;
|
|
|
|
if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
|
|
err = -ENODEV;
|
|
goto err_out_disable_pdev;
|
|
}
|
|
|
|
err = qlcnic_set_dma_mask(pdev, &pci_using_dac);
|
|
if (err)
|
|
goto err_out_disable_pdev;
|
|
|
|
err = pci_request_regions(pdev, qlcnic_driver_name);
|
|
if (err)
|
|
goto err_out_disable_pdev;
|
|
|
|
pci_set_master(pdev);
|
|
pci_enable_pcie_error_reporting(pdev);
|
|
|
|
netdev = alloc_etherdev(sizeof(struct qlcnic_adapter));
|
|
if (!netdev) {
|
|
err = -ENOMEM;
|
|
goto err_out_free_res;
|
|
}
|
|
|
|
SET_NETDEV_DEV(netdev, &pdev->dev);
|
|
|
|
adapter = netdev_priv(netdev);
|
|
adapter->netdev = netdev;
|
|
adapter->pdev = pdev;
|
|
|
|
err = qlcnic_alloc_adapter_resources(adapter);
|
|
if (err)
|
|
goto err_out_free_netdev;
|
|
|
|
adapter->dev_rst_time = jiffies;
|
|
revision_id = pdev->revision;
|
|
adapter->ahw->revision_id = revision_id;
|
|
adapter->mac_learn = qlcnic_mac_learn;
|
|
|
|
rwlock_init(&adapter->ahw->crb_lock);
|
|
mutex_init(&adapter->ahw->mem_lock);
|
|
|
|
spin_lock_init(&adapter->tx_clean_lock);
|
|
INIT_LIST_HEAD(&adapter->mac_list);
|
|
|
|
err = qlcnic_setup_pci_map(pdev, adapter->ahw);
|
|
if (err)
|
|
goto err_out_free_hw;
|
|
qlcnic_check_vf(adapter);
|
|
|
|
/* This will be reset for mezz cards */
|
|
adapter->portnum = adapter->ahw->pci_func;
|
|
|
|
err = qlcnic_get_board_info(adapter);
|
|
if (err) {
|
|
dev_err(&pdev->dev, "Error getting board config info.\n");
|
|
goto err_out_iounmap;
|
|
}
|
|
|
|
err = qlcnic_setup_idc_param(adapter);
|
|
if (err)
|
|
goto err_out_iounmap;
|
|
|
|
adapter->flags |= QLCNIC_NEED_FLR;
|
|
|
|
err = adapter->nic_ops->start_firmware(adapter);
|
|
if (err) {
|
|
dev_err(&pdev->dev, "Loading fw failed. Please Reboot\n"
|
|
"\t\tIf reboot doesn't help, try flashing the card\n");
|
|
goto err_out_maintenance_mode;
|
|
}
|
|
|
|
if (qlcnic_read_mac_addr(adapter))
|
|
dev_warn(&pdev->dev, "failed to read mac addr\n");
|
|
|
|
if (adapter->portnum == 0) {
|
|
qlcnic_get_board_name(adapter, board_name);
|
|
pr_info("%s: %s Board Chip rev 0x%x\n",
|
|
module_name(THIS_MODULE),
|
|
board_name, adapter->ahw->revision_id);
|
|
}
|
|
|
|
qlcnic_clear_stats(adapter);
|
|
|
|
err = qlcnic_alloc_msix_entries(adapter, adapter->ahw->max_rx_ques);
|
|
if (err)
|
|
goto err_out_decr_ref;
|
|
|
|
qlcnic_setup_intr(adapter);
|
|
|
|
err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac);
|
|
if (err)
|
|
goto err_out_disable_msi;
|
|
|
|
pci_set_drvdata(pdev, adapter);
|
|
|
|
if (qlcnic_82xx_check(adapter))
|
|
qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
|
|
FW_POLL_DELAY);
|
|
|
|
switch (adapter->ahw->port_type) {
|
|
case QLCNIC_GBE:
|
|
dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
|
|
adapter->netdev->name);
|
|
break;
|
|
case QLCNIC_XGBE:
|
|
dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
|
|
adapter->netdev->name);
|
|
break;
|
|
}
|
|
|
|
if (adapter->mac_learn)
|
|
qlcnic_alloc_lb_filters_mem(adapter);
|
|
|
|
qlcnic_create_diag_entries(adapter);
|
|
|
|
return 0;
|
|
|
|
err_out_disable_msi:
|
|
qlcnic_teardown_intr(adapter);
|
|
kfree(adapter->msix_entries);
|
|
|
|
err_out_decr_ref:
|
|
qlcnic_clr_all_drv_state(adapter, 0);
|
|
|
|
err_out_iounmap:
|
|
qlcnic_cleanup_pci_map(adapter);
|
|
|
|
err_out_free_hw:
|
|
qlcnic_free_adapter_resources(adapter);
|
|
|
|
err_out_free_netdev:
|
|
free_netdev(netdev);
|
|
|
|
err_out_free_res:
|
|
pci_release_regions(pdev);
|
|
|
|
err_out_disable_pdev:
|
|
pci_set_drvdata(pdev, NULL);
|
|
pci_disable_device(pdev);
|
|
return err;
|
|
|
|
err_out_maintenance_mode:
|
|
netdev->netdev_ops = &qlcnic_netdev_failed_ops;
|
|
SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops);
|
|
err = register_netdev(netdev);
|
|
if (err) {
|
|
dev_err(&pdev->dev, "failed to register net device\n");
|
|
goto err_out_decr_ref;
|
|
}
|
|
pci_set_drvdata(pdev, adapter);
|
|
qlcnic_create_diag_entries(adapter);
|
|
return 0;
|
|
}
|
|
|
|
static void qlcnic_remove(struct pci_dev *pdev)
|
|
{
|
|
struct qlcnic_adapter *adapter;
|
|
struct net_device *netdev;
|
|
|
|
adapter = pci_get_drvdata(pdev);
|
|
if (adapter == NULL)
|
|
return;
|
|
|
|
netdev = adapter->netdev;
|
|
|
|
qlcnic_cancel_fw_work(adapter);
|
|
|
|
unregister_netdev(netdev);
|
|
|
|
qlcnic_detach(adapter);
|
|
|
|
if (adapter->npars != NULL)
|
|
kfree(adapter->npars);
|
|
if (adapter->eswitch != NULL)
|
|
kfree(adapter->eswitch);
|
|
|
|
if (qlcnic_82xx_check(adapter))
|
|
qlcnic_clr_all_drv_state(adapter, 0);
|
|
|
|
clear_bit(__QLCNIC_RESETTING, &adapter->state);
|
|
|
|
qlcnic_free_lb_filters_mem(adapter);
|
|
|
|
qlcnic_teardown_intr(adapter);
|
|
kfree(adapter->msix_entries);
|
|
|
|
qlcnic_remove_diag_entries(adapter);
|
|
|
|
qlcnic_cleanup_pci_map(adapter);
|
|
|
|
qlcnic_release_firmware(adapter);
|
|
|
|
pci_disable_pcie_error_reporting(pdev);
|
|
pci_release_regions(pdev);
|
|
pci_disable_device(pdev);
|
|
pci_set_drvdata(pdev, NULL);
|
|
|
|
qlcnic_free_adapter_resources(adapter);
|
|
free_netdev(netdev);
|
|
}
|
|
static int __qlcnic_shutdown(struct pci_dev *pdev)
|
|
{
|
|
struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
|
|
struct net_device *netdev = adapter->netdev;
|
|
int retval;
|
|
|
|
netif_device_detach(netdev);
|
|
|
|
qlcnic_cancel_fw_work(adapter);
|
|
|
|
if (netif_running(netdev))
|
|
qlcnic_down(adapter, netdev);
|
|
|
|
if (qlcnic_82xx_check(adapter))
|
|
qlcnic_clr_all_drv_state(adapter, 0);
|
|
|
|
clear_bit(__QLCNIC_RESETTING, &adapter->state);
|
|
|
|
retval = pci_save_state(pdev);
|
|
if (retval)
|
|
return retval;
|
|
|
|
if (qlcnic_82xx_check(adapter)) {
|
|
if (qlcnic_wol_supported(adapter)) {
|
|
pci_enable_wake(pdev, PCI_D3cold, 1);
|
|
pci_enable_wake(pdev, PCI_D3hot, 1);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void qlcnic_shutdown(struct pci_dev *pdev)
|
|
{
|
|
if (__qlcnic_shutdown(pdev))
|
|
return;
|
|
|
|
pci_disable_device(pdev);
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
static int
|
|
qlcnic_suspend(struct pci_dev *pdev, pm_message_t state)
|
|
{
|
|
int retval;
|
|
|
|
retval = __qlcnic_shutdown(pdev);
|
|
if (retval)
|
|
return retval;
|
|
|
|
pci_set_power_state(pdev, pci_choose_state(pdev, state));
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
qlcnic_resume(struct pci_dev *pdev)
|
|
{
|
|
struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
|
|
struct net_device *netdev = adapter->netdev;
|
|
int err;
|
|
|
|
err = pci_enable_device(pdev);
|
|
if (err)
|
|
return err;
|
|
|
|
pci_set_power_state(pdev, PCI_D0);
|
|
pci_set_master(pdev);
|
|
pci_restore_state(pdev);
|
|
|
|
err = adapter->nic_ops->start_firmware(adapter);
|
|
if (err) {
|
|
dev_err(&pdev->dev, "failed to start firmware\n");
|
|
return err;
|
|
}
|
|
|
|
if (netif_running(netdev)) {
|
|
err = qlcnic_up(adapter, netdev);
|
|
if (err)
|
|
goto done;
|
|
|
|
qlcnic_restore_indev_addr(netdev, NETDEV_UP);
|
|
}
|
|
done:
|
|
netif_device_attach(netdev);
|
|
qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static int qlcnic_open(struct net_device *netdev)
|
|
{
|
|
struct qlcnic_adapter *adapter = netdev_priv(netdev);
|
|
u32 state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
|
|
int err;
|
|
|
|
if (state == QLCNIC_DEV_FAILED || (state == QLCNIC_DEV_BADBAD)) {
|
|
netdev_err(netdev, "Device in FAILED state\n");
|
|
return -EIO;
|
|
}
|
|
|
|
netif_carrier_off(netdev);
|
|
|
|
err = qlcnic_attach(adapter);
|
|
if (err)
|
|
return err;
|
|
|
|
err = __qlcnic_up(adapter, netdev);
|
|
if (err)
|
|
goto err_out;
|
|
|
|
netif_start_queue(netdev);
|
|
|
|
return 0;
|
|
|
|
err_out:
|
|
qlcnic_detach(adapter);
|
|
return err;
|
|
}
|
|
|
|
/*
|
|
* qlcnic_close - Disables a network interface entry point
|
|
*/
|
|
static int qlcnic_close(struct net_device *netdev)
|
|
{
|
|
struct qlcnic_adapter *adapter = netdev_priv(netdev);
|
|
|
|
__qlcnic_down(adapter, netdev);
|
|
return 0;
|
|
}
|
|
|
|
void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter)
|
|
{
|
|
void *head;
|
|
int i;
|
|
|
|
if (adapter->fhash.fmax && adapter->fhash.fhead)
|
|
return;
|
|
|
|
spin_lock_init(&adapter->mac_learn_lock);
|
|
|
|
head = kcalloc(QLCNIC_LB_MAX_FILTERS, sizeof(struct hlist_head),
|
|
GFP_KERNEL);
|
|
if (!head)
|
|
return;
|
|
|
|
adapter->fhash.fmax = QLCNIC_LB_MAX_FILTERS;
|
|
adapter->fhash.fhead = head;
|
|
|
|
for (i = 0; i < adapter->fhash.fmax; i++)
|
|
INIT_HLIST_HEAD(&adapter->fhash.fhead[i]);
|
|
}
|
|
|
|
static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter)
|
|
{
|
|
if (adapter->fhash.fmax && adapter->fhash.fhead)
|
|
kfree(adapter->fhash.fhead);
|
|
|
|
adapter->fhash.fhead = NULL;
|
|
adapter->fhash.fmax = 0;
|
|
}
|
|
|
|
static int qlcnic_check_temp(struct qlcnic_adapter *adapter)
|
|
{
|
|
struct net_device *netdev = adapter->netdev;
|
|
u32 temp_state, temp_val, temp = 0;
|
|
int rv = 0;
|
|
|
|
if (qlcnic_82xx_check(adapter))
|
|
temp = QLCRD32(adapter, CRB_TEMP_STATE);
|
|
|
|
temp_state = qlcnic_get_temp_state(temp);
|
|
temp_val = qlcnic_get_temp_val(temp);
|
|
|
|
if (temp_state == QLCNIC_TEMP_PANIC) {
|
|
dev_err(&netdev->dev,
|
|
"Device temperature %d degrees C exceeds"
|
|
" maximum allowed. Hardware has been shut down.\n",
|
|
temp_val);
|
|
rv = 1;
|
|
} else if (temp_state == QLCNIC_TEMP_WARN) {
|
|
if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) {
|
|
dev_err(&netdev->dev,
|
|
"Device temperature %d degrees C "
|
|
"exceeds operating range."
|
|
" Immediate action needed.\n",
|
|
temp_val);
|
|
}
|
|
} else {
|
|
if (adapter->ahw->temp == QLCNIC_TEMP_WARN) {
|
|
dev_info(&netdev->dev,
|
|
"Device temperature is now %d degrees C"
|
|
" in normal range.\n", temp_val);
|
|
}
|
|
}
|
|
adapter->ahw->temp = temp_state;
|
|
return rv;
|
|
}
|
|
|
|
static void qlcnic_tx_timeout(struct net_device *netdev)
|
|
{
|
|
struct qlcnic_adapter *adapter = netdev_priv(netdev);
|
|
|
|
if (test_bit(__QLCNIC_RESETTING, &adapter->state))
|
|
return;
|
|
|
|
dev_err(&netdev->dev, "transmit timeout, resetting.\n");
|
|
|
|
if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS)
|
|
adapter->need_fw_reset = 1;
|
|
else
|
|
adapter->ahw->reset_context = 1;
|
|
}
|
|
|
|
static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev)
|
|
{
|
|
struct qlcnic_adapter *adapter = netdev_priv(netdev);
|
|
struct net_device_stats *stats = &netdev->stats;
|
|
|
|
stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
|
|
stats->tx_packets = adapter->stats.xmitfinished;
|
|
stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes;
|
|
stats->tx_bytes = adapter->stats.txbytes;
|
|
stats->rx_dropped = adapter->stats.rxdropped;
|
|
stats->tx_dropped = adapter->stats.txdropped;
|
|
|
|
return stats;
|
|
}
|
|
|
|
static irqreturn_t qlcnic_clear_legacy_intr(struct qlcnic_adapter *adapter)
|
|
{
|
|
u32 status;
|
|
|
|
status = readl(adapter->isr_int_vec);
|
|
|
|
if (!(status & adapter->ahw->int_vec_bit))
|
|
return IRQ_NONE;
|
|
|
|
/* check interrupt state machine, to be sure */
|
|
status = readl(adapter->crb_int_state_reg);
|
|
if (!ISR_LEGACY_INT_TRIGGERED(status))
|
|
return IRQ_NONE;
|
|
|
|
writel(0xffffffff, adapter->tgt_status_reg);
|
|
/* read twice to ensure write is flushed */
|
|
readl(adapter->isr_int_vec);
|
|
readl(adapter->isr_int_vec);
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static irqreturn_t qlcnic_tmp_intr(int irq, void *data)
|
|
{
|
|
struct qlcnic_host_sds_ring *sds_ring = data;
|
|
struct qlcnic_adapter *adapter = sds_ring->adapter;
|
|
|
|
if (adapter->flags & QLCNIC_MSIX_ENABLED)
|
|
goto done;
|
|
else if (adapter->flags & QLCNIC_MSI_ENABLED) {
|
|
writel(0xffffffff, adapter->tgt_status_reg);
|
|
goto done;
|
|
}
|
|
|
|
if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
|
|
return IRQ_NONE;
|
|
|
|
done:
|
|
adapter->ahw->diag_cnt++;
|
|
qlcnic_enable_int(sds_ring);
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static irqreturn_t qlcnic_intr(int irq, void *data)
|
|
{
|
|
struct qlcnic_host_sds_ring *sds_ring = data;
|
|
struct qlcnic_adapter *adapter = sds_ring->adapter;
|
|
|
|
if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE)
|
|
return IRQ_NONE;
|
|
|
|
napi_schedule(&sds_ring->napi);
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static irqreturn_t qlcnic_msi_intr(int irq, void *data)
|
|
{
|
|
struct qlcnic_host_sds_ring *sds_ring = data;
|
|
struct qlcnic_adapter *adapter = sds_ring->adapter;
|
|
|
|
/* clear interrupt */
|
|
writel(0xffffffff, adapter->tgt_status_reg);
|
|
|
|
napi_schedule(&sds_ring->napi);
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static irqreturn_t qlcnic_msix_intr(int irq, void *data)
|
|
{
|
|
struct qlcnic_host_sds_ring *sds_ring = data;
|
|
|
|
napi_schedule(&sds_ring->napi);
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
#ifdef CONFIG_NET_POLL_CONTROLLER
|
|
static void qlcnic_poll_controller(struct net_device *netdev)
|
|
{
|
|
int ring;
|
|
struct qlcnic_host_sds_ring *sds_ring;
|
|
struct qlcnic_adapter *adapter = netdev_priv(netdev);
|
|
struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
|
|
|
|
disable_irq(adapter->irq);
|
|
for (ring = 0; ring < adapter->max_sds_rings; ring++) {
|
|
sds_ring = &recv_ctx->sds_rings[ring];
|
|
qlcnic_intr(adapter->irq, sds_ring);
|
|
}
|
|
enable_irq(adapter->irq);
|
|
}
|
|
#endif
|
|
|
|
static void
|
|
qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
|
|
{
|
|
u32 val;
|
|
|
|
val = adapter->portnum & 0xf;
|
|
val |= encoding << 7;
|
|
val |= (jiffies - adapter->dev_rst_time) << 8;
|
|
|
|
QLCWR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
|
|
adapter->dev_rst_time = jiffies;
|
|
}
|
|
|
|
static int
|
|
qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
|
|
{
|
|
u32 val;
|
|
|
|
WARN_ON(state != QLCNIC_DEV_NEED_RESET &&
|
|
state != QLCNIC_DEV_NEED_QUISCENT);
|
|
|
|
if (qlcnic_api_lock(adapter))
|
|
return -EIO;
|
|
|
|
val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
|
|
|
|
if (state == QLCNIC_DEV_NEED_RESET)
|
|
QLC_DEV_SET_RST_RDY(val, adapter->portnum);
|
|
else if (state == QLCNIC_DEV_NEED_QUISCENT)
|
|
QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum);
|
|
|
|
QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
|
|
|
|
qlcnic_api_unlock(adapter);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
qlcnic_clr_drv_state(struct qlcnic_adapter *adapter)
|
|
{
|
|
u32 val;
|
|
|
|
if (qlcnic_api_lock(adapter))
|
|
return -EBUSY;
|
|
|
|
val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
|
|
QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
|
|
QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
|
|
|
|
qlcnic_api_unlock(adapter);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed)
|
|
{
|
|
u32 val;
|
|
|
|
if (qlcnic_api_lock(adapter))
|
|
goto err;
|
|
|
|
val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
|
|
QLC_DEV_CLR_REF_CNT(val, adapter->portnum);
|
|
QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
|
|
|
|
if (failed) {
|
|
QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED);
|
|
dev_info(&adapter->pdev->dev,
|
|
"Device state set to Failed. Please Reboot\n");
|
|
} else if (!(val & 0x11111111))
|
|
QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_COLD);
|
|
|
|
val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
|
|
QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum);
|
|
QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
|
|
|
|
qlcnic_api_unlock(adapter);
|
|
err:
|
|
adapter->fw_fail_cnt = 0;
|
|
adapter->flags &= ~QLCNIC_FW_HANG;
|
|
clear_bit(__QLCNIC_START_FW, &adapter->state);
|
|
clear_bit(__QLCNIC_RESETTING, &adapter->state);
|
|
}
|
|
|
|
/* Grab api lock, before checking state */
|
|
static int
|
|
qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
|
|
{
|
|
int act, state, active_mask;
|
|
|
|
state = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
|
|
act = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
|
|
|
|
if (adapter->flags & QLCNIC_FW_RESET_OWNER) {
|
|
active_mask = (~(1 << (adapter->ahw->pci_func * 4)));
|
|
act = act & active_mask;
|
|
}
|
|
|
|
if (((state & 0x11111111) == (act & 0x11111111)) ||
|
|
((act & 0x11111111) == ((state >> 1) & 0x11111111)))
|
|
return 0;
|
|
else
|
|
return 1;
|
|
}
|
|
|
|
static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
|
|
{
|
|
u32 val = QLCRD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
|
|
|
|
if (val != QLCNIC_DRV_IDC_VER) {
|
|
dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
|
|
" idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
|
|
{
|
|
u32 val, prev_state;
|
|
u8 dev_init_timeo = adapter->dev_init_timeo;
|
|
u8 portnum = adapter->portnum;
|
|
u8 ret;
|
|
|
|
if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
|
|
return 1;
|
|
|
|
if (qlcnic_api_lock(adapter))
|
|
return -1;
|
|
|
|
val = QLCRD32(adapter, QLCNIC_CRB_DRV_ACTIVE);
|
|
if (!(val & (1 << (portnum * 4)))) {
|
|
QLC_DEV_SET_REF_CNT(val, portnum);
|
|
QLCWR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val);
|
|
}
|
|
|
|
prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
|
|
QLCDB(adapter, HW, "Device state = %u\n", prev_state);
|
|
|
|
switch (prev_state) {
|
|
case QLCNIC_DEV_COLD:
|
|
QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
|
|
QLCWR32(adapter, QLCNIC_CRB_DRV_IDC_VER, QLCNIC_DRV_IDC_VER);
|
|
qlcnic_idc_debug_info(adapter, 0);
|
|
qlcnic_api_unlock(adapter);
|
|
return 1;
|
|
|
|
case QLCNIC_DEV_READY:
|
|
ret = qlcnic_check_idc_ver(adapter);
|
|
qlcnic_api_unlock(adapter);
|
|
return ret;
|
|
|
|
case QLCNIC_DEV_NEED_RESET:
|
|
val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
|
|
QLC_DEV_SET_RST_RDY(val, portnum);
|
|
QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
|
|
break;
|
|
|
|
case QLCNIC_DEV_NEED_QUISCENT:
|
|
val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
|
|
QLC_DEV_SET_QSCNT_RDY(val, portnum);
|
|
QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
|
|
break;
|
|
|
|
case QLCNIC_DEV_FAILED:
|
|
dev_err(&adapter->pdev->dev, "Device in failed state.\n");
|
|
qlcnic_api_unlock(adapter);
|
|
return -1;
|
|
|
|
case QLCNIC_DEV_INITIALIZING:
|
|
case QLCNIC_DEV_QUISCENT:
|
|
break;
|
|
}
|
|
|
|
qlcnic_api_unlock(adapter);
|
|
|
|
do {
|
|
msleep(1000);
|
|
prev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
|
|
|
|
if (prev_state == QLCNIC_DEV_QUISCENT)
|
|
continue;
|
|
} while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo);
|
|
|
|
if (!dev_init_timeo) {
|
|
dev_err(&adapter->pdev->dev,
|
|
"Waiting for device to initialize timeout\n");
|
|
return -1;
|
|
}
|
|
|
|
if (qlcnic_api_lock(adapter))
|
|
return -1;
|
|
|
|
val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
|
|
QLC_DEV_CLR_RST_QSCNT(val, portnum);
|
|
QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
|
|
|
|
ret = qlcnic_check_idc_ver(adapter);
|
|
qlcnic_api_unlock(adapter);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
qlcnic_fwinit_work(struct work_struct *work)
|
|
{
|
|
struct qlcnic_adapter *adapter = container_of(work,
|
|
struct qlcnic_adapter, fw_work.work);
|
|
u32 dev_state = 0xf;
|
|
u32 val;
|
|
|
|
if (qlcnic_api_lock(adapter))
|
|
goto err_ret;
|
|
|
|
dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
|
|
if (dev_state == QLCNIC_DEV_QUISCENT ||
|
|
dev_state == QLCNIC_DEV_NEED_QUISCENT) {
|
|
qlcnic_api_unlock(adapter);
|
|
qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
|
|
FW_POLL_DELAY * 2);
|
|
return;
|
|
}
|
|
|
|
if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
|
|
qlcnic_api_unlock(adapter);
|
|
goto wait_npar;
|
|
}
|
|
|
|
if (dev_state == QLCNIC_DEV_INITIALIZING ||
|
|
dev_state == QLCNIC_DEV_READY) {
|
|
dev_info(&adapter->pdev->dev, "Detected state change from "
|
|
"DEV_NEED_RESET, skipping ack check\n");
|
|
goto skip_ack_check;
|
|
}
|
|
|
|
if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) {
|
|
dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n",
|
|
adapter->reset_ack_timeo);
|
|
goto skip_ack_check;
|
|
}
|
|
|
|
if (!qlcnic_check_drv_state(adapter)) {
|
|
skip_ack_check:
|
|
dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
|
|
|
|
if (dev_state == QLCNIC_DEV_NEED_RESET) {
|
|
QLCWR32(adapter, QLCNIC_CRB_DEV_STATE,
|
|
QLCNIC_DEV_INITIALIZING);
|
|
set_bit(__QLCNIC_START_FW, &adapter->state);
|
|
QLCDB(adapter, DRV, "Restarting fw\n");
|
|
qlcnic_idc_debug_info(adapter, 0);
|
|
val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
|
|
QLC_DEV_SET_RST_RDY(val, adapter->portnum);
|
|
QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
|
|
}
|
|
|
|
qlcnic_api_unlock(adapter);
|
|
|
|
rtnl_lock();
|
|
if (adapter->ahw->fw_dump.enable &&
|
|
(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
|
|
QLCDB(adapter, DRV, "Take FW dump\n");
|
|
qlcnic_dump_fw(adapter);
|
|
adapter->flags |= QLCNIC_FW_HANG;
|
|
}
|
|
rtnl_unlock();
|
|
|
|
adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
|
|
if (!adapter->nic_ops->start_firmware(adapter)) {
|
|
qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
|
|
adapter->fw_wait_cnt = 0;
|
|
return;
|
|
}
|
|
goto err_ret;
|
|
}
|
|
|
|
qlcnic_api_unlock(adapter);
|
|
|
|
wait_npar:
|
|
dev_state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
|
|
QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state);
|
|
|
|
switch (dev_state) {
|
|
case QLCNIC_DEV_READY:
|
|
if (!adapter->nic_ops->start_firmware(adapter)) {
|
|
qlcnic_schedule_work(adapter, qlcnic_attach_work, 0);
|
|
adapter->fw_wait_cnt = 0;
|
|
return;
|
|
}
|
|
case QLCNIC_DEV_FAILED:
|
|
break;
|
|
default:
|
|
qlcnic_schedule_work(adapter,
|
|
qlcnic_fwinit_work, FW_POLL_DELAY);
|
|
return;
|
|
}
|
|
|
|
err_ret:
|
|
dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u "
|
|
"fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt);
|
|
netif_device_attach(adapter->netdev);
|
|
qlcnic_clr_all_drv_state(adapter, 0);
|
|
}
|
|
|
|
static void
|
|
qlcnic_detach_work(struct work_struct *work)
|
|
{
|
|
struct qlcnic_adapter *adapter = container_of(work,
|
|
struct qlcnic_adapter, fw_work.work);
|
|
struct net_device *netdev = adapter->netdev;
|
|
u32 status;
|
|
|
|
netif_device_detach(netdev);
|
|
|
|
/* Dont grab rtnl lock during Quiscent mode */
|
|
if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) {
|
|
if (netif_running(netdev))
|
|
__qlcnic_down(adapter, netdev);
|
|
} else
|
|
qlcnic_down(adapter, netdev);
|
|
|
|
status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1);
|
|
|
|
if (status & QLCNIC_RCODE_FATAL_ERROR) {
|
|
dev_err(&adapter->pdev->dev,
|
|
"Detaching the device: peg halt status1=0x%x\n",
|
|
status);
|
|
|
|
if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) {
|
|
dev_err(&adapter->pdev->dev,
|
|
"On board active cooling fan failed. "
|
|
"Device has been halted.\n");
|
|
dev_err(&adapter->pdev->dev,
|
|
"Replace the adapter.\n");
|
|
}
|
|
|
|
goto err_ret;
|
|
}
|
|
|
|
if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) {
|
|
dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n",
|
|
adapter->ahw->temp);
|
|
goto err_ret;
|
|
}
|
|
|
|
/* Dont ack if this instance is the reset owner */
|
|
if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) {
|
|
if (qlcnic_set_drv_state(adapter, adapter->dev_state)) {
|
|
dev_err(&adapter->pdev->dev,
|
|
"Failed to set driver state,"
|
|
"detaching the device.\n");
|
|
goto err_ret;
|
|
}
|
|
}
|
|
|
|
adapter->fw_wait_cnt = 0;
|
|
|
|
qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY);
|
|
|
|
return;
|
|
|
|
err_ret:
|
|
netif_device_attach(netdev);
|
|
qlcnic_clr_all_drv_state(adapter, 1);
|
|
}
|
|
|
|
/*Transit NPAR state to NON Operational */
|
|
static void
|
|
qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter)
|
|
{
|
|
u32 state;
|
|
|
|
state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
|
|
if (state == QLCNIC_DEV_NPAR_NON_OPER)
|
|
return;
|
|
|
|
if (qlcnic_api_lock(adapter))
|
|
return;
|
|
QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
|
|
qlcnic_api_unlock(adapter);
|
|
}
|
|
|
|
/*Transit to RESET state from READY state only */
|
|
void
|
|
qlcnic_dev_request_reset(struct qlcnic_adapter *adapter)
|
|
{
|
|
u32 state, xg_val = 0, gb_val = 0;
|
|
|
|
qlcnic_xg_set_xg0_mask(xg_val);
|
|
qlcnic_xg_set_xg1_mask(xg_val);
|
|
QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val);
|
|
qlcnic_gb_set_gb0_mask(gb_val);
|
|
qlcnic_gb_set_gb1_mask(gb_val);
|
|
qlcnic_gb_set_gb2_mask(gb_val);
|
|
qlcnic_gb_set_gb3_mask(gb_val);
|
|
QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val);
|
|
dev_info(&adapter->pdev->dev, "Pause control frames disabled"
|
|
" on all ports\n");
|
|
adapter->need_fw_reset = 1;
|
|
if (qlcnic_api_lock(adapter))
|
|
return;
|
|
|
|
state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
|
|
if (state == QLCNIC_DEV_FAILED || (state == QLCNIC_DEV_BADBAD)) {
|
|
netdev_err(adapter->netdev,
|
|
"Device is in FAILED state, Please Reboot\n");
|
|
qlcnic_api_unlock(adapter);
|
|
return;
|
|
}
|
|
|
|
if (state == QLCNIC_DEV_READY) {
|
|
QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET);
|
|
adapter->flags |= QLCNIC_FW_RESET_OWNER;
|
|
QLCDB(adapter, DRV, "NEED_RESET state set\n");
|
|
qlcnic_idc_debug_info(adapter, 0);
|
|
}
|
|
|
|
QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER);
|
|
qlcnic_api_unlock(adapter);
|
|
}
|
|
|
|
/* Transit to NPAR READY state from NPAR NOT READY state */
|
|
static void
|
|
qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter)
|
|
{
|
|
if (qlcnic_api_lock(adapter))
|
|
return;
|
|
|
|
QLCWR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_OPER);
|
|
QLCDB(adapter, DRV, "NPAR operational state set\n");
|
|
|
|
qlcnic_api_unlock(adapter);
|
|
}
|
|
|
|
static void
|
|
qlcnic_schedule_work(struct qlcnic_adapter *adapter,
|
|
work_func_t func, int delay)
|
|
{
|
|
if (test_bit(__QLCNIC_AER, &adapter->state))
|
|
return;
|
|
|
|
INIT_DELAYED_WORK(&adapter->fw_work, func);
|
|
queue_delayed_work(qlcnic_wq, &adapter->fw_work,
|
|
round_jiffies_relative(delay));
|
|
}
|
|
|
|
static void
|
|
qlcnic_cancel_fw_work(struct qlcnic_adapter *adapter)
|
|
{
|
|
while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
|
|
msleep(10);
|
|
|
|
if (!adapter->fw_work.work.func)
|
|
return;
|
|
|
|
cancel_delayed_work_sync(&adapter->fw_work);
|
|
}
|
|
|
|
static void
|
|
qlcnic_attach_work(struct work_struct *work)
|
|
{
|
|
struct qlcnic_adapter *adapter = container_of(work,
|
|
struct qlcnic_adapter, fw_work.work);
|
|
struct net_device *netdev = adapter->netdev;
|
|
u32 npar_state;
|
|
|
|
if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) {
|
|
npar_state = QLCRD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE);
|
|
if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO)
|
|
qlcnic_clr_all_drv_state(adapter, 0);
|
|
else if (npar_state != QLCNIC_DEV_NPAR_OPER)
|
|
qlcnic_schedule_work(adapter, qlcnic_attach_work,
|
|
FW_POLL_DELAY);
|
|
else
|
|
goto attach;
|
|
QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n");
|
|
return;
|
|
}
|
|
attach:
|
|
if (netif_running(netdev)) {
|
|
if (qlcnic_up(adapter, netdev))
|
|
goto done;
|
|
|
|
qlcnic_restore_indev_addr(netdev, NETDEV_UP);
|
|
}
|
|
|
|
done:
|
|
netif_device_attach(netdev);
|
|
adapter->fw_fail_cnt = 0;
|
|
adapter->flags &= ~QLCNIC_FW_HANG;
|
|
clear_bit(__QLCNIC_RESETTING, &adapter->state);
|
|
|
|
if (!qlcnic_clr_drv_state(adapter))
|
|
qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
|
|
FW_POLL_DELAY);
|
|
}
|
|
|
|
static int
|
|
qlcnic_check_health(struct qlcnic_adapter *adapter)
|
|
{
|
|
u32 state = 0, heartbeat;
|
|
u32 peg_status;
|
|
|
|
if (qlcnic_check_temp(adapter))
|
|
goto detach;
|
|
|
|
if (adapter->need_fw_reset)
|
|
qlcnic_dev_request_reset(adapter);
|
|
|
|
state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE);
|
|
if (state == QLCNIC_DEV_NEED_RESET) {
|
|
qlcnic_set_npar_non_operational(adapter);
|
|
adapter->need_fw_reset = 1;
|
|
} else if (state == QLCNIC_DEV_NEED_QUISCENT)
|
|
goto detach;
|
|
|
|
heartbeat = QLCRD32(adapter, QLCNIC_PEG_ALIVE_COUNTER);
|
|
if (heartbeat != adapter->heartbeat) {
|
|
adapter->heartbeat = heartbeat;
|
|
adapter->fw_fail_cnt = 0;
|
|
if (adapter->need_fw_reset)
|
|
goto detach;
|
|
|
|
if (adapter->ahw->reset_context && qlcnic_auto_fw_reset) {
|
|
qlcnic_reset_hw_context(adapter);
|
|
adapter->netdev->trans_start = jiffies;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
|
|
return 0;
|
|
|
|
adapter->flags |= QLCNIC_FW_HANG;
|
|
|
|
qlcnic_dev_request_reset(adapter);
|
|
|
|
if (qlcnic_auto_fw_reset)
|
|
clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state);
|
|
|
|
dev_err(&adapter->pdev->dev, "firmware hang detected\n");
|
|
dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
|
|
"PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
|
|
"PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
|
|
"PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
|
|
"PEG_NET_4_PC: 0x%x\n",
|
|
QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1),
|
|
QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS2),
|
|
QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c),
|
|
QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c),
|
|
QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c),
|
|
QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c),
|
|
QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c));
|
|
peg_status = QLCRD32(adapter, QLCNIC_PEG_HALT_STATUS1);
|
|
if (QLCNIC_FWERROR_CODE(peg_status) == 0x67)
|
|
dev_err(&adapter->pdev->dev,
|
|
"Firmware aborted with error code 0x00006700. "
|
|
"Device is being reset.\n");
|
|
detach:
|
|
adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state :
|
|
QLCNIC_DEV_NEED_RESET;
|
|
|
|
if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING,
|
|
&adapter->state)) {
|
|
|
|
qlcnic_schedule_work(adapter, qlcnic_detach_work, 0);
|
|
QLCDB(adapter, DRV, "fw recovery scheduled.\n");
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
qlcnic_fw_poll_work(struct work_struct *work)
|
|
{
|
|
struct qlcnic_adapter *adapter = container_of(work,
|
|
struct qlcnic_adapter, fw_work.work);
|
|
|
|
if (test_bit(__QLCNIC_RESETTING, &adapter->state))
|
|
goto reschedule;
|
|
|
|
|
|
if (qlcnic_check_health(adapter))
|
|
return;
|
|
|
|
if (adapter->fhash.fnum)
|
|
qlcnic_prune_lb_filters(adapter);
|
|
|
|
reschedule:
|
|
qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY);
|
|
}
|
|
|
|
static int qlcnic_is_first_func(struct pci_dev *pdev)
|
|
{
|
|
struct pci_dev *oth_pdev;
|
|
int val = pdev->devfn;
|
|
|
|
while (val-- > 0) {
|
|
oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr
|
|
(pdev->bus), pdev->bus->number,
|
|
PCI_DEVFN(PCI_SLOT(pdev->devfn), val));
|
|
if (!oth_pdev)
|
|
continue;
|
|
|
|
if (oth_pdev->current_state != PCI_D3cold) {
|
|
pci_dev_put(oth_pdev);
|
|
return 0;
|
|
}
|
|
pci_dev_put(oth_pdev);
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static int qlcnic_attach_func(struct pci_dev *pdev)
|
|
{
|
|
int err, first_func;
|
|
struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
|
|
struct net_device *netdev = adapter->netdev;
|
|
|
|
pdev->error_state = pci_channel_io_normal;
|
|
|
|
err = pci_enable_device(pdev);
|
|
if (err)
|
|
return err;
|
|
|
|
pci_set_power_state(pdev, PCI_D0);
|
|
pci_set_master(pdev);
|
|
pci_restore_state(pdev);
|
|
|
|
first_func = qlcnic_is_first_func(pdev);
|
|
|
|
if (qlcnic_api_lock(adapter))
|
|
return -EINVAL;
|
|
|
|
if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) {
|
|
adapter->need_fw_reset = 1;
|
|
set_bit(__QLCNIC_START_FW, &adapter->state);
|
|
QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
|
|
QLCDB(adapter, DRV, "Restarting fw\n");
|
|
}
|
|
qlcnic_api_unlock(adapter);
|
|
|
|
err = adapter->nic_ops->start_firmware(adapter);
|
|
if (err)
|
|
return err;
|
|
|
|
qlcnic_clr_drv_state(adapter);
|
|
qlcnic_setup_intr(adapter);
|
|
|
|
if (netif_running(netdev)) {
|
|
err = qlcnic_attach(adapter);
|
|
if (err) {
|
|
qlcnic_clr_all_drv_state(adapter, 1);
|
|
clear_bit(__QLCNIC_AER, &adapter->state);
|
|
netif_device_attach(netdev);
|
|
return err;
|
|
}
|
|
|
|
err = qlcnic_up(adapter, netdev);
|
|
if (err)
|
|
goto done;
|
|
|
|
qlcnic_restore_indev_addr(netdev, NETDEV_UP);
|
|
}
|
|
done:
|
|
netif_device_attach(netdev);
|
|
return err;
|
|
}
|
|
|
|
static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev,
|
|
pci_channel_state_t state)
|
|
{
|
|
struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
|
|
struct net_device *netdev = adapter->netdev;
|
|
|
|
if (state == pci_channel_io_perm_failure)
|
|
return PCI_ERS_RESULT_DISCONNECT;
|
|
|
|
if (state == pci_channel_io_normal)
|
|
return PCI_ERS_RESULT_RECOVERED;
|
|
|
|
set_bit(__QLCNIC_AER, &adapter->state);
|
|
netif_device_detach(netdev);
|
|
|
|
cancel_delayed_work_sync(&adapter->fw_work);
|
|
|
|
if (netif_running(netdev))
|
|
qlcnic_down(adapter, netdev);
|
|
|
|
qlcnic_detach(adapter);
|
|
qlcnic_teardown_intr(adapter);
|
|
|
|
clear_bit(__QLCNIC_RESETTING, &adapter->state);
|
|
|
|
pci_save_state(pdev);
|
|
pci_disable_device(pdev);
|
|
|
|
return PCI_ERS_RESULT_NEED_RESET;
|
|
}
|
|
|
|
static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev)
|
|
{
|
|
return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
|
|
PCI_ERS_RESULT_RECOVERED;
|
|
}
|
|
|
|
static void qlcnic_io_resume(struct pci_dev *pdev)
|
|
{
|
|
struct qlcnic_adapter *adapter = pci_get_drvdata(pdev);
|
|
|
|
pci_cleanup_aer_uncorrect_error_status(pdev);
|
|
|
|
if (QLCRD32(adapter, QLCNIC_CRB_DEV_STATE) == QLCNIC_DEV_READY &&
|
|
test_and_clear_bit(__QLCNIC_AER, &adapter->state))
|
|
qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
|
|
FW_POLL_DELAY);
|
|
}
|
|
|
|
static int
|
|
qlcnicvf_start_firmware(struct qlcnic_adapter *adapter)
|
|
{
|
|
int err;
|
|
|
|
err = qlcnic_can_start_firmware(adapter);
|
|
if (err)
|
|
return err;
|
|
|
|
err = qlcnic_check_npar_opertional(adapter);
|
|
if (err)
|
|
return err;
|
|
|
|
err = qlcnic_initialize_nic(adapter);
|
|
if (err)
|
|
return err;
|
|
|
|
qlcnic_check_options(adapter);
|
|
|
|
err = qlcnic_set_eswitch_port_config(adapter);
|
|
if (err)
|
|
return err;
|
|
|
|
adapter->need_fw_reset = 0;
|
|
|
|
return err;
|
|
}
|
|
|
|
int qlcnic_validate_max_rss(struct net_device *netdev, u8 max_hw, u8 val)
|
|
{
|
|
if (!qlcnic_use_msi_x && !qlcnic_use_msi) {
|
|
netdev_info(netdev, "no msix or msi support, hence no rss\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if ((val > max_hw) || (val < 2) || !is_power_of_2(val)) {
|
|
netdev_info(netdev, "rss_ring valid range [2 - %x] in "
|
|
" powers of 2\n", max_hw);
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
|
|
}
|
|
|
|
int qlcnic_set_max_rss(struct qlcnic_adapter *adapter, u8 data)
|
|
{
|
|
struct net_device *netdev = adapter->netdev;
|
|
int err = 0;
|
|
|
|
if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
|
|
return -EBUSY;
|
|
|
|
netif_device_detach(netdev);
|
|
if (netif_running(netdev))
|
|
__qlcnic_down(adapter, netdev);
|
|
qlcnic_detach(adapter);
|
|
qlcnic_teardown_intr(adapter);
|
|
|
|
if (qlcnic_enable_msix(adapter, data)) {
|
|
netdev_info(netdev, "failed setting max_rss; rss disabled\n");
|
|
qlcnic_enable_msi_legacy(adapter);
|
|
}
|
|
|
|
if (netif_running(netdev)) {
|
|
err = qlcnic_attach(adapter);
|
|
if (err)
|
|
goto done;
|
|
err = __qlcnic_up(adapter, netdev);
|
|
if (err)
|
|
goto done;
|
|
qlcnic_restore_indev_addr(netdev, NETDEV_UP);
|
|
}
|
|
done:
|
|
netif_device_attach(netdev);
|
|
clear_bit(__QLCNIC_RESETTING, &adapter->state);
|
|
return err;
|
|
}
|
|
|
|
#ifdef CONFIG_INET
|
|
|
|
#define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops)
|
|
|
|
static void
|
|
qlcnic_config_indev_addr(struct qlcnic_adapter *adapter,
|
|
struct net_device *dev, unsigned long event)
|
|
{
|
|
struct in_device *indev;
|
|
|
|
indev = in_dev_get(dev);
|
|
if (!indev)
|
|
return;
|
|
|
|
for_ifa(indev) {
|
|
switch (event) {
|
|
case NETDEV_UP:
|
|
qlcnic_config_ipaddr(adapter,
|
|
ifa->ifa_address, QLCNIC_IP_UP);
|
|
break;
|
|
case NETDEV_DOWN:
|
|
qlcnic_config_ipaddr(adapter,
|
|
ifa->ifa_address, QLCNIC_IP_DOWN);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
} endfor_ifa(indev);
|
|
|
|
in_dev_put(indev);
|
|
}
|
|
|
|
static void
|
|
qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event)
|
|
{
|
|
struct qlcnic_adapter *adapter = netdev_priv(netdev);
|
|
struct net_device *dev;
|
|
u16 vid;
|
|
|
|
qlcnic_config_indev_addr(adapter, netdev, event);
|
|
|
|
for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) {
|
|
dev = __vlan_find_dev_deep(netdev, vid);
|
|
if (!dev)
|
|
continue;
|
|
qlcnic_config_indev_addr(adapter, dev, event);
|
|
}
|
|
}
|
|
|
|
static int qlcnic_netdev_event(struct notifier_block *this,
|
|
unsigned long event, void *ptr)
|
|
{
|
|
struct qlcnic_adapter *adapter;
|
|
struct net_device *dev = (struct net_device *)ptr;
|
|
|
|
recheck:
|
|
if (dev == NULL)
|
|
goto done;
|
|
|
|
if (dev->priv_flags & IFF_802_1Q_VLAN) {
|
|
dev = vlan_dev_real_dev(dev);
|
|
goto recheck;
|
|
}
|
|
|
|
if (!is_qlcnic_netdev(dev))
|
|
goto done;
|
|
|
|
adapter = netdev_priv(dev);
|
|
|
|
if (!adapter)
|
|
goto done;
|
|
|
|
if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
|
|
goto done;
|
|
|
|
qlcnic_config_indev_addr(adapter, dev, event);
|
|
done:
|
|
return NOTIFY_DONE;
|
|
}
|
|
|
|
static int
|
|
qlcnic_inetaddr_event(struct notifier_block *this,
|
|
unsigned long event, void *ptr)
|
|
{
|
|
struct qlcnic_adapter *adapter;
|
|
struct net_device *dev;
|
|
|
|
struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
|
|
|
|
dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
|
|
|
|
recheck:
|
|
if (dev == NULL)
|
|
goto done;
|
|
|
|
if (dev->priv_flags & IFF_802_1Q_VLAN) {
|
|
dev = vlan_dev_real_dev(dev);
|
|
goto recheck;
|
|
}
|
|
|
|
if (!is_qlcnic_netdev(dev))
|
|
goto done;
|
|
|
|
adapter = netdev_priv(dev);
|
|
|
|
if (!adapter)
|
|
goto done;
|
|
|
|
if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
|
|
goto done;
|
|
|
|
switch (event) {
|
|
case NETDEV_UP:
|
|
qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP);
|
|
break;
|
|
case NETDEV_DOWN:
|
|
qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
done:
|
|
return NOTIFY_DONE;
|
|
}
|
|
|
|
static struct notifier_block qlcnic_netdev_cb = {
|
|
.notifier_call = qlcnic_netdev_event,
|
|
};
|
|
|
|
static struct notifier_block qlcnic_inetaddr_cb = {
|
|
.notifier_call = qlcnic_inetaddr_event,
|
|
};
|
|
#else
|
|
static void
|
|
qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event)
|
|
{ }
|
|
#endif
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static struct pci_error_handlers qlcnic_err_handler = {
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.error_detected = qlcnic_io_error_detected,
|
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.slot_reset = qlcnic_io_slot_reset,
|
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.resume = qlcnic_io_resume,
|
|
};
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|
|
|
static struct pci_driver qlcnic_driver = {
|
|
.name = qlcnic_driver_name,
|
|
.id_table = qlcnic_pci_tbl,
|
|
.probe = qlcnic_probe,
|
|
.remove = qlcnic_remove,
|
|
#ifdef CONFIG_PM
|
|
.suspend = qlcnic_suspend,
|
|
.resume = qlcnic_resume,
|
|
#endif
|
|
.shutdown = qlcnic_shutdown,
|
|
.err_handler = &qlcnic_err_handler
|
|
|
|
};
|
|
|
|
static int __init qlcnic_init_module(void)
|
|
{
|
|
int ret;
|
|
|
|
printk(KERN_INFO "%s\n", qlcnic_driver_string);
|
|
|
|
qlcnic_wq = create_singlethread_workqueue("qlcnic");
|
|
if (qlcnic_wq == NULL) {
|
|
printk(KERN_ERR "qlcnic: cannot create workqueue\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
#ifdef CONFIG_INET
|
|
register_netdevice_notifier(&qlcnic_netdev_cb);
|
|
register_inetaddr_notifier(&qlcnic_inetaddr_cb);
|
|
#endif
|
|
|
|
ret = pci_register_driver(&qlcnic_driver);
|
|
if (ret) {
|
|
#ifdef CONFIG_INET
|
|
unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
|
|
unregister_netdevice_notifier(&qlcnic_netdev_cb);
|
|
#endif
|
|
destroy_workqueue(qlcnic_wq);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
module_init(qlcnic_init_module);
|
|
|
|
static void __exit qlcnic_exit_module(void)
|
|
{
|
|
|
|
pci_unregister_driver(&qlcnic_driver);
|
|
|
|
#ifdef CONFIG_INET
|
|
unregister_inetaddr_notifier(&qlcnic_inetaddr_cb);
|
|
unregister_netdevice_notifier(&qlcnic_netdev_cb);
|
|
#endif
|
|
destroy_workqueue(qlcnic_wq);
|
|
}
|
|
|
|
module_exit(qlcnic_exit_module);
|