| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Amit Kumar Salecha | 6043 | 31.37% | 36 | 13.14% |
| Sony Chacko | 3738 | 19.40% | 31 | 11.31% |
| Himanshu Madhani | 2148 | 11.15% | 20 | 7.30% |
| Sucheta Chakraborty | 1447 | 7.51% | 31 | 11.31% |
| Rajesh K Borundia | 1428 | 7.41% | 28 | 10.22% |
| Anirban Chakraborty | 1049 | 5.45% | 16 | 5.84% |
| Shahed Shaikh | 861 | 4.47% | 18 | 6.57% |
| Jitendra Kalsaria | 530 | 2.75% | 6 | 2.19% |
| Manish Chopra | 449 | 2.33% | 13 | 4.74% |
| Sritej Velaga | 374 | 1.94% | 9 | 3.28% |
| Pratik Pujar | 345 | 1.79% | 7 | 2.55% |
| Harish Patil | 183 | 0.95% | 3 | 1.09% |
| Stephen Hemminger | 85 | 0.44% | 2 | 0.73% |
| Alexander Gordeev | 77 | 0.40% | 4 | 1.46% |
| Dan Carpenter | 58 | 0.30% | 4 | 1.46% |
| schacko | 53 | 0.28% | 1 | 0.36% |
| Jiri Benc | 44 | 0.23% | 1 | 0.36% |
| Alexander Duyck | 35 | 0.18% | 1 | 0.36% |
| Jiri Pirko | 33 | 0.17% | 8 | 2.92% |
| Vlad Yasevich | 32 | 0.17% | 2 | 0.73% |
| Ameen Rahman | 28 | 0.15% | 1 | 0.36% |
| Jarod Wilson | 24 | 0.12% | 2 | 0.73% |
| Joe Stringer | 22 | 0.11% | 1 | 0.36% |
| Patrick McHardy | 17 | 0.09% | 3 | 1.09% |
| Michał Mirosław | 15 | 0.08% | 1 | 0.36% |
| Hannes Frederic Sowa | 14 | 0.07% | 1 | 0.36% |
| Kees Cook | 13 | 0.07% | 2 | 0.73% |
| Wilfried Klaebe | 11 | 0.06% | 1 | 0.36% |
| Jesse Gross | 10 | 0.05% | 1 | 0.36% |
| Wei Yongjun | 10 | 0.05% | 1 | 0.36% |
| Florian Westphal | 9 | 0.05% | 1 | 0.36% |
| Jamal Hadi Salim | 9 | 0.05% | 1 | 0.36% |
| Toshiaki Makita | 9 | 0.05% | 1 | 0.36% |
| Michael S. Tsirkin | 8 | 0.04% | 1 | 0.36% |
| Roopa Prabhu | 8 | 0.04% | 1 | 0.36% |
| Peter Senna Tschudin | 6 | 0.03% | 1 | 0.36% |
| Parav Pandit | 6 | 0.03% | 1 | 0.36% |
| Benoit Taine | 6 | 0.03% | 1 | 0.36% |
| Yongjian Xu | 5 | 0.03% | 1 | 0.36% |
| Petr Machata | 5 | 0.03% | 1 | 0.36% |
| Joe Perches | 4 | 0.02% | 1 | 0.36% |
| Stephen Rothwell | 3 | 0.02% | 1 | 0.36% |
| Ding Tianhong | 3 | 0.02% | 2 | 0.73% |
| Julia Lawall | 2 | 0.01% | 1 | 0.36% |
| Vladimir Zapolskiy | 2 | 0.01% | 1 | 0.36% |
| Masanari Iida | 1 | 0.01% | 1 | 0.36% |
| Yue haibing | 1 | 0.01% | 1 | 0.36% |
| Eric Dumazet | 1 | 0.01% | 1 | 0.36% |
| Total | 19264 | 274 |
/* * QLogic qlcnic NIC Driver * Copyright (c) 2009-2013 QLogic Corporation * * See LICENSE.qlcnic for copyright and licensing details. */ #include <linux/vmalloc.h> #include <linux/interrupt.h> #include <linux/swab.h> #include <linux/dma-mapping.h> #include <linux/if_vlan.h> #include <net/ip.h> #include <linux/ipv6.h> #include <linux/inetdevice.h> #include <linux/aer.h> #include <linux/log2.h> #include <linux/pci.h> #include <net/vxlan.h> #include "qlcnic.h" #include "qlcnic_sriov.h" #include "qlcnic_hw.h" MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(QLCNIC_LINUX_VERSIONID); MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); char qlcnic_driver_name[] = "qlcnic"; static const char qlcnic_driver_string[] = "QLogic 1/10 GbE " "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID; static int qlcnic_mac_learn; module_param(qlcnic_mac_learn, int, 0444); MODULE_PARM_DESC(qlcnic_mac_learn, "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)"); int qlcnic_use_msi = 1; MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)"); module_param_named(use_msi, qlcnic_use_msi, int, 0444); int qlcnic_use_msi_x = 1; MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)"); module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444); int qlcnic_auto_fw_reset = 1; MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)"); module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644); int qlcnic_load_fw_file; MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file, 2=POST in fast mode, 3= POST in medium mode, 4=POST in slow mode)"); module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444); static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent); static void qlcnic_remove(struct pci_dev *pdev); static int qlcnic_open(struct net_device *netdev); static int qlcnic_close(struct net_device *netdev); static void qlcnic_tx_timeout(struct net_device *netdev, unsigned int txqueue); static void qlcnic_attach_work(struct work_struct *work); static void qlcnic_fwinit_work(struct work_struct *work); static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); static irqreturn_t qlcnic_tmp_intr(int irq, void *data); static irqreturn_t qlcnic_intr(int irq, void *data); static irqreturn_t qlcnic_msi_intr(int irq, void *data); static irqreturn_t qlcnic_msix_intr(int irq, void *data); static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data); static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); static int qlcnic_start_firmware(struct qlcnic_adapter *); static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); static int qlcnicvf_start_firmware(struct qlcnic_adapter *); static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16); static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16); static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *); static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32); static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *); static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *); static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *); static void qlcnic_82xx_io_resume(struct pci_dev *); static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *); static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *, pci_channel_state_t); static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter) { struct qlcnic_hardware_context *ahw = adapter->ahw; if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X) return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX; else return 1; } /* PCI Device ID Table */ #define ENTRY(device) \ {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} static const struct pci_device_id qlcnic_pci_tbl[] = { ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X), ENTRY(PCI_DEVICE_ID_QLOGIC_QLE8830), ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE8C30), ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X), ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X), {0,} }; MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring) { writel(tx_ring->producer, tx_ring->crb_cmd_producer); } static const u32 msi_tgt_status[8] = { ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 }; static const u32 qlcnic_reg_tbl[] = { 0x1B20A8, /* PEG_HALT_STAT1 */ 0x1B20AC, /* PEG_HALT_STAT2 */ 0x1B20B0, /* FW_HEARTBEAT */ 0x1B2100, /* LOCK ID */ 0x1B2128, /* FW_CAPABILITIES */ 0x1B2138, /* drv active */ 0x1B2140, /* dev state */ 0x1B2144, /* drv state */ 0x1B2148, /* drv scratch */ 0x1B214C, /* dev partition info */ 0x1B2174, /* drv idc ver */ 0x1B2150, /* fw version major */ 0x1B2154, /* fw version minor */ 0x1B2158, /* fw version sub */ 0x1B219C, /* npar state */ 0x1B21FC, /* FW_IMG_VALID */ 0x1B2250, /* CMD_PEG_STATE */ 0x1B233C, /* RCV_PEG_STATE */ 0x1B23B4, /* ASIC TEMP */ 0x1B216C, /* FW api */ 0x1B2170, /* drv op mode */ 0x13C010, /* flash lock */ 0x13C014, /* flash unlock */ }; static const struct qlcnic_board_info qlcnic_boards[] = { { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_QLE844X, 0x0, 0x0, "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" }, { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_QLE834X, PCI_VENDOR_ID_QLOGIC, 0x24e, "8300 Series Dual Port 10GbE Converged Network Adapter " "(TCP/IP Networking)" }, { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_QLE834X, PCI_VENDOR_ID_QLOGIC, 0x243, "8300 Series Single Port 10GbE Converged Network Adapter " "(TCP/IP Networking)" }, { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_QLE834X, PCI_VENDOR_ID_QLOGIC, 0x24a, "8300 Series Dual Port 10GbE Converged Network Adapter " "(TCP/IP Networking)" }, { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_QLE834X, PCI_VENDOR_ID_QLOGIC, 0x246, "8300 Series Dual Port 10GbE Converged Network Adapter " "(TCP/IP Networking)" }, { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_QLE834X, PCI_VENDOR_ID_QLOGIC, 0x252, "8300 Series Dual Port 10GbE Converged Network Adapter " "(TCP/IP Networking)" }, { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_QLE834X, PCI_VENDOR_ID_QLOGIC, 0x26e, "8300 Series Dual Port 10GbE Converged Network Adapter " "(TCP/IP Networking)" }, { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_QLE834X, PCI_VENDOR_ID_QLOGIC, 0x260, "8300 Series Dual Port 10GbE Converged Network Adapter " "(TCP/IP Networking)" }, { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_QLE834X, PCI_VENDOR_ID_QLOGIC, 0x266, "8300 Series Single Port 10GbE Converged Network Adapter " "(TCP/IP Networking)" }, { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_QLE834X, PCI_VENDOR_ID_QLOGIC, 0x269, "8300 Series Dual Port 10GbE Converged Network Adapter " "(TCP/IP Networking)" }, { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_QLE834X, PCI_VENDOR_ID_QLOGIC, 0x271, "8300 Series Dual Port 10GbE Converged Network Adapter " "(TCP/IP Networking)" }, { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_QLE834X, 0x0, 0x0, "8300 Series 1/10GbE Controller" }, { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_QLE8830, 0x0, 0x0, "8830 Series 1/10GbE Controller" }, { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_QLE824X, PCI_VENDOR_ID_QLOGIC, 0x203, "8200 Series Single Port 10GbE Converged Network Adapter" "(TCP/IP Networking)" }, { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_QLE824X, PCI_VENDOR_ID_QLOGIC, 0x207, "8200 Series Dual Port 10GbE Converged Network Adapter" "(TCP/IP Networking)" }, { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_QLE824X, PCI_VENDOR_ID_QLOGIC, 0x20b, "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" }, { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_QLE824X, PCI_VENDOR_ID_QLOGIC, 0x20c, "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" }, { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_QLE824X, PCI_VENDOR_ID_QLOGIC, 0x20f, "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" }, { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_QLE824X, 0x103c, 0x3733, "NC523SFP 10Gb 2-port Server Adapter" }, { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_QLE824X, 0x103c, 0x3346, "CN1000Q Dual Port Converged Network Adapter" }, { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_QLE824X, PCI_VENDOR_ID_QLOGIC, 0x210, "QME8242-k 10GbE Dual Port Mezzanine Card" }, { PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_QLE824X, 0x0, 0x0, "cLOM8214 1/10GbE Controller" }, }; #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards) static const struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) { int size = sizeof(struct qlcnic_host_sds_ring) * count; recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); return recv_ctx->sds_rings == NULL; } void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) { kfree(recv_ctx->sds_rings); recv_ctx->sds_rings = NULL; } int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) { struct net_device *netdev = adapter->netdev; struct pci_dev *pdev = adapter->pdev; u8 mac_addr[ETH_ALEN]; int ret; ret = qlcnic_get_mac_address(adapter, mac_addr, adapter->ahw->pci_func); if (ret) return ret; memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); /* set station address */ if (!is_valid_ether_addr(netdev->dev_addr)) dev_warn(&pdev->dev, "Bad MAC address %pM.\n", netdev->dev_addr); return 0; } static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter) { struct qlcnic_mac_vlan_list *cur; struct list_head *head; list_for_each(head, &adapter->mac_list) { cur = list_entry(head, struct qlcnic_mac_vlan_list, list); if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) { qlcnic_sre_macaddr_change(adapter, cur->mac_addr, 0, QLCNIC_MAC_DEL); list_del(&cur->list); kfree(cur); return; } } } static int qlcnic_set_mac(struct net_device *netdev, void *p) { struct qlcnic_adapter *adapter = netdev_priv(netdev); struct sockaddr *addr = p; if (qlcnic_sriov_vf_check(adapter)) return -EINVAL; if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) return -EOPNOTSUPP; if (!is_valid_ether_addr(addr->sa_data)) return -EINVAL; if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data) && ether_addr_equal_unaligned(netdev->dev_addr, addr->sa_data)) return 0; if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { netif_device_detach(netdev); qlcnic_napi_disable(adapter); } qlcnic_delete_adapter_mac(adapter); memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); qlcnic_set_multi(adapter->netdev); if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { netif_device_attach(netdev); qlcnic_napi_enable(adapter); } return 0; } static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], struct net_device *netdev, const unsigned char *addr, u16 vid) { struct qlcnic_adapter *adapter = netdev_priv(netdev); int err = -EOPNOTSUPP; if (!adapter->fdb_mac_learn) return ndo_dflt_fdb_del(ndm, tb, netdev, addr, vid); if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || qlcnic_sriov_check(adapter)) { if (is_unicast_ether_addr(addr)) { err = dev_uc_del(netdev, addr); if (!err) err = qlcnic_nic_del_mac(adapter, addr); } else if (is_multicast_ether_addr(addr)) { err = dev_mc_del(netdev, addr); } else { err = -EINVAL; } } return err; } static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], struct net_device *netdev, const unsigned char *addr, u16 vid, u16 flags, struct netlink_ext_ack *extack) { struct qlcnic_adapter *adapter = netdev_priv(netdev); int err = 0; if (!adapter->fdb_mac_learn) return ndo_dflt_fdb_add(ndm, tb, netdev, addr, vid, flags); if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) && !qlcnic_sriov_check(adapter)) { pr_info("%s: FDB e-switch is not enabled\n", __func__); return -EOPNOTSUPP; } if (ether_addr_equal(addr, adapter->mac_addr)) return err; if (is_unicast_ether_addr(addr)) { if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count) err = dev_uc_add_excl(netdev, addr); else err = -ENOMEM; } else if (is_multicast_ether_addr(addr)) { err = dev_mc_add_excl(netdev, addr); } else { err = -EINVAL; } return err; } static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, struct net_device *netdev, struct net_device *filter_dev, int *idx) { struct qlcnic_adapter *adapter = netdev_priv(netdev); int err = 0; if (!adapter->fdb_mac_learn) return ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); if ((adapter->flags & QLCNIC_ESWITCH_ENABLED) || qlcnic_sriov_check(adapter)) err = ndo_dflt_fdb_dump(skb, ncb, netdev, filter_dev, idx); return err; } static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) { while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) usleep_range(10000, 11000); if (!adapter->fw_work.work.func) return; cancel_delayed_work_sync(&adapter->fw_work); } static int qlcnic_get_phys_port_id(struct net_device *netdev, struct netdev_phys_item_id *ppid) { struct qlcnic_adapter *adapter = netdev_priv(netdev); struct qlcnic_hardware_context *ahw = adapter->ahw; if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID)) return -EOPNOTSUPP; ppid->id_len = sizeof(ahw->phys_port_id); memcpy(ppid->id, ahw->phys_port_id, ppid->id_len); return 0; } static void qlcnic_add_vxlan_port(struct net_device *netdev, struct udp_tunnel_info *ti) { struct qlcnic_adapter *adapter = netdev_priv(netdev); struct qlcnic_hardware_context *ahw = adapter->ahw; if (ti->type != UDP_TUNNEL_TYPE_VXLAN) return; /* Adapter supports only one VXLAN port. Use very first port * for enabling offload */ if (!qlcnic_encap_rx_offload(adapter)) return; if (!ahw->vxlan_port_count) { ahw->vxlan_port_count = 1; ahw->vxlan_port = ntohs(ti->port); adapter->flags |= QLCNIC_ADD_VXLAN_PORT; return; } if (ahw->vxlan_port == ntohs(ti->port)) ahw->vxlan_port_count++; } static void qlcnic_del_vxlan_port(struct net_device *netdev, struct udp_tunnel_info *ti) { struct qlcnic_adapter *adapter = netdev_priv(netdev); struct qlcnic_hardware_context *ahw = adapter->ahw; if (ti->type != UDP_TUNNEL_TYPE_VXLAN) return; if (!qlcnic_encap_rx_offload(adapter) || !ahw->vxlan_port_count || (ahw->vxlan_port != ntohs(ti->port))) return; ahw->vxlan_port_count--; if (!ahw->vxlan_port_count) adapter->flags |= QLCNIC_DEL_VXLAN_PORT; } static netdev_features_t qlcnic_features_check(struct sk_buff *skb, struct net_device *dev, netdev_features_t features) { features = vlan_features_check(skb, features); return vxlan_features_check(skb, features); } static const struct net_device_ops qlcnic_netdev_ops = { .ndo_open = qlcnic_open, .ndo_stop = qlcnic_close, .ndo_start_xmit = qlcnic_xmit_frame, .ndo_get_stats = qlcnic_get_stats, .ndo_validate_addr = eth_validate_addr, .ndo_set_rx_mode = qlcnic_set_multi, .ndo_set_mac_address = qlcnic_set_mac, .ndo_change_mtu = qlcnic_change_mtu, .ndo_fix_features = qlcnic_fix_features, .ndo_set_features = qlcnic_set_features, .ndo_tx_timeout = qlcnic_tx_timeout, .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, .ndo_fdb_add = qlcnic_fdb_add, .ndo_fdb_del = qlcnic_fdb_del, .ndo_fdb_dump = qlcnic_fdb_dump, .ndo_get_phys_port_id = qlcnic_get_phys_port_id, .ndo_udp_tunnel_add = qlcnic_add_vxlan_port, .ndo_udp_tunnel_del = qlcnic_del_vxlan_port, .ndo_features_check = qlcnic_features_check, #ifdef CONFIG_QLCNIC_SRIOV .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, .ndo_set_vf_rate = qlcnic_sriov_set_vf_tx_rate, .ndo_get_vf_config = qlcnic_sriov_get_vf_config, .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk, #endif }; static const struct net_device_ops qlcnic_netdev_failed_ops = { .ndo_open = qlcnic_open, }; static struct qlcnic_nic_template qlcnic_ops = { .config_bridged_mode = qlcnic_config_bridged_mode, .config_led = qlcnic_82xx_config_led, .start_firmware = qlcnic_82xx_start_firmware, .request_reset = qlcnic_82xx_dev_request_reset, .cancel_idc_work = qlcnic_82xx_cancel_idc_work, .napi_add = qlcnic_82xx_napi_add, .napi_del = qlcnic_82xx_napi_del, .config_ipaddr = qlcnic_82xx_config_ipaddr, .shutdown = qlcnic_82xx_shutdown, .resume = qlcnic_82xx_resume, .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, }; struct qlcnic_nic_template qlcnic_vf_ops = { .config_bridged_mode = qlcnicvf_config_bridged_mode, .config_led = qlcnicvf_config_led, .start_firmware = qlcnicvf_start_firmware }; static struct qlcnic_hardware_ops qlcnic_hw_ops = { .read_crb = qlcnic_82xx_read_crb, .write_crb = qlcnic_82xx_write_crb, .read_reg = qlcnic_82xx_hw_read_wx_2M, .write_reg = qlcnic_82xx_hw_write_wx_2M, .get_mac_address = qlcnic_82xx_get_mac_address, .setup_intr = qlcnic_82xx_setup_intr, .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, .mbx_cmd = qlcnic_82xx_issue_cmd, .get_func_no = qlcnic_82xx_get_func_no, .api_lock = qlcnic_82xx_api_lock, .api_unlock = qlcnic_82xx_api_unlock, .add_sysfs = qlcnic_82xx_add_sysfs, .remove_sysfs = qlcnic_82xx_remove_sysfs, .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, .setup_link_event = qlcnic_82xx_linkevent_request, .get_nic_info = qlcnic_82xx_get_nic_info, .get_pci_info = qlcnic_82xx_get_pci_info, .set_nic_info = qlcnic_82xx_set_nic_info, .change_macvlan = qlcnic_82xx_sre_macaddr_change, .napi_enable = qlcnic_82xx_napi_enable, .napi_disable = qlcnic_82xx_napi_disable, .config_intr_coal = qlcnic_82xx_config_intr_coalesce, .config_rss = qlcnic_82xx_config_rss, .config_hw_lro = qlcnic_82xx_config_hw_lro, .config_loopback = qlcnic_82xx_set_lb_mode, .clear_loopback = qlcnic_82xx_clear_lb_mode, .config_promisc_mode = qlcnic_82xx_nic_set_promisc, .change_l2_filter = qlcnic_82xx_change_filter, .get_board_info = qlcnic_82xx_get_board_info, .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count, .free_mac_list = qlcnic_82xx_free_mac_list, .read_phys_port_id = qlcnic_82xx_read_phys_port_id, .io_error_detected = qlcnic_82xx_io_error_detected, .io_slot_reset = qlcnic_82xx_io_slot_reset, .io_resume = qlcnic_82xx_io_resume, .get_beacon_state = qlcnic_82xx_get_beacon_state, .enable_sds_intr = qlcnic_82xx_enable_sds_intr, .disable_sds_intr = qlcnic_82xx_disable_sds_intr, .enable_tx_intr = qlcnic_82xx_enable_tx_intr, .disable_tx_intr = qlcnic_82xx_disable_tx_intr, .get_saved_state = qlcnic_82xx_get_saved_state, .set_saved_state = qlcnic_82xx_set_saved_state, .cache_tmpl_hdr_values = qlcnic_82xx_cache_tmpl_hdr_values, .get_cap_size = qlcnic_82xx_get_cap_size, .set_sys_info = qlcnic_82xx_set_sys_info, .store_cap_mask = qlcnic_82xx_store_cap_mask, .encap_rx_offload = qlcnic_82xx_encap_rx_offload, .encap_tx_offload = qlcnic_82xx_encap_tx_offload, }; static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter) { struct qlcnic_hardware_context *ahw = adapter->ahw; if (qlcnic_82xx_check(adapter) && (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) { test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); return 0; } else { return 1; } } static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt, int queue_type) { int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS; if (queue_type == QLCNIC_RX_QUEUE) max_rings = adapter->max_sds_rings; else if (queue_type == QLCNIC_TX_QUEUE) max_rings = adapter->max_tx_rings; num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(), max_rings)); if (ring_cnt > num_rings) return num_rings; else return ring_cnt; } void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt) { /* 83xx adapter does not have max_tx_rings intialized in probe */ if (adapter->max_tx_rings) adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt, QLCNIC_TX_QUEUE); else adapter->drv_tx_rings = tx_cnt; } void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt) { /* 83xx adapter does not have max_sds_rings intialized in probe */ if (adapter->max_sds_rings) adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt, QLCNIC_RX_QUEUE); else adapter->drv_sds_rings = rx_cnt; } int qlcnic_setup_tss_rss_intr(struct qlcnic_adapter *adapter) { struct pci_dev *pdev = adapter->pdev; int num_msix = 0, err = 0, vector; adapter->flags &= ~QLCNIC_TSS_RSS; if (adapter->drv_tss_rings > 0) num_msix += adapter->drv_tss_rings; else num_msix += adapter->drv_tx_rings; if (adapter->drv_rss_rings > 0) num_msix += adapter->drv_rss_rings; else num_msix += adapter->drv_sds_rings; if (qlcnic_83xx_check(adapter)) num_msix += 1; if (!adapter->msix_entries) { adapter->msix_entries = kcalloc(num_msix, sizeof(struct msix_entry), GFP_KERNEL); if (!adapter->msix_entries) return -ENOMEM; } for (vector = 0; vector < num_msix; vector++) adapter->msix_entries[vector].entry = vector; restore: err = pci_enable_msix_exact(pdev, adapter->msix_entries, num_msix); if (err == -ENOSPC) { if (!adapter->drv_tss_rings && !adapter->drv_rss_rings) return err; netdev_info(adapter->netdev, "Unable to allocate %d MSI-X vectors, Available vectors %d\n", num_msix, err); num_msix = adapter->drv_tx_rings + adapter->drv_sds_rings; /* Set rings to 0 so we can restore original TSS/RSS count */ adapter->drv_tss_rings = 0; adapter->drv_rss_rings = 0; if (qlcnic_83xx_check(adapter)) num_msix += 1; netdev_info(adapter->netdev, "Restoring %d Tx, %d SDS rings for total %d vectors.\n", adapter->drv_tx_rings, adapter->drv_sds_rings, num_msix); goto restore; } else if (err < 0) { return err; } adapter->ahw->num_msix = num_msix; if (adapter->drv_tss_rings > 0) adapter->drv_tx_rings = adapter->drv_tss_rings; if (adapter->drv_rss_rings > 0) adapter->drv_sds_rings = adapter->drv_rss_rings; return 0; } int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) { struct pci_dev *pdev = adapter->pdev; int err, vector; if (!adapter->msix_entries) { adapter->msix_entries = kcalloc(num_msix, sizeof(struct msix_entry), GFP_KERNEL); if (!adapter->msix_entries) return -ENOMEM; } adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); if (adapter->ahw->msix_supported) { enable_msix: for (vector = 0; vector < num_msix; vector++) adapter->msix_entries[vector].entry = vector; err = pci_enable_msix_range(pdev, adapter->msix_entries, 1, num_msix); if (err == num_msix) { adapter->flags |= QLCNIC_MSIX_ENABLED; adapter->ahw->num_msix = num_msix; dev_info(&pdev->dev, "using msi-x interrupts\n"); return 0; } else if (err > 0) { pci_disable_msix(pdev); dev_info(&pdev->dev, "Unable to allocate %d MSI-X vectors, Available vectors %d\n", num_msix, err); if (qlcnic_82xx_check(adapter)) { num_msix = rounddown_pow_of_two(err); if (err < QLCNIC_82XX_MINIMUM_VECTOR) return -ENOSPC; } else { num_msix = rounddown_pow_of_two(err - 1); num_msix += 1; if (err < QLCNIC_83XX_MINIMUM_VECTOR) return -ENOSPC; } if (qlcnic_82xx_check(adapter) && !qlcnic_check_multi_tx(adapter)) { adapter->drv_sds_rings = num_msix; adapter->drv_tx_rings = QLCNIC_SINGLE_RING; } else { /* Distribute vectors equally */ adapter->drv_tx_rings = num_msix / 2; adapter->drv_sds_rings = adapter->drv_tx_rings; } if (num_msix) { dev_info(&pdev->dev, "Trying to allocate %d MSI-X interrupt vectors\n", num_msix); goto enable_msix; } } else { dev_info(&pdev->dev, "Unable to allocate %d MSI-X vectors, err=%d\n", num_msix, err); return err; } } return -EIO; } static int qlcnic_82xx_calculate_msix_vector(struct qlcnic_adapter *adapter) { int num_msix; num_msix = adapter->drv_sds_rings; if (qlcnic_check_multi_tx(adapter)) num_msix += adapter->drv_tx_rings; else num_msix += QLCNIC_SINGLE_RING; return num_msix; } static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) { int err = 0; u32 offset, mask_reg; const struct qlcnic_legacy_intr_set *legacy_intrp; struct qlcnic_hardware_context *ahw = adapter->ahw; struct pci_dev *pdev = adapter->pdev; if (qlcnic_use_msi && !pci_enable_msi(pdev)) { adapter->flags |= QLCNIC_MSI_ENABLED; offset = msi_tgt_status[adapter->ahw->pci_func]; adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, offset); dev_info(&pdev->dev, "using msi interrupts\n"); adapter->msix_entries[0].vector = pdev->irq; return err; } if (qlcnic_use_msi || qlcnic_use_msi_x) return -EOPNOTSUPP; legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; offset = legacy_intrp->tgt_status_reg; adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); mask_reg = legacy_intrp->tgt_mask_reg; adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); dev_info(&pdev->dev, "using legacy interrupts\n"); adapter->msix_entries[0].vector = pdev->irq; return err; } static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter) { int num_msix, err = 0; if (adapter->flags & QLCNIC_TSS_RSS) { err = qlcnic_setup_tss_rss_intr(adapter); if (err < 0) return err; num_msix = adapter->ahw->num_msix; } else { num_msix = qlcnic_82xx_calculate_msix_vector(adapter); err = qlcnic_enable_msix(adapter, num_msix); if (err == -ENOMEM) return err; if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { qlcnic_disable_multi_tx(adapter); adapter->drv_sds_rings = QLCNIC_SINGLE_RING; err = qlcnic_enable_msi_legacy(adapter); if (err) return err; } } return 0; } int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type) { struct qlcnic_hardware_context *ahw = adapter->ahw; int err, i; if (qlcnic_check_multi_tx(adapter) && !ahw->diag_test && (adapter->flags & QLCNIC_MSIX_ENABLED)) { ahw->intr_tbl = vzalloc(array_size(sizeof(struct qlcnic_intrpt_config), ahw->num_msix)); if (!ahw->intr_tbl) return -ENOMEM; for (i = 0; i < ahw->num_msix; i++) { ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; ahw->intr_tbl[i].id = i; ahw->intr_tbl[i].src = 0; } err = qlcnic_82xx_config_intrpt(adapter, 1); if (err) dev_err(&adapter->pdev->dev, "Failed to configure Interrupt for %d vector\n", ahw->num_msix); return err; } return 0; } void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) { if (adapter->flags & QLCNIC_MSIX_ENABLED) pci_disable_msix(adapter->pdev); if (adapter->flags & QLCNIC_MSI_ENABLED) pci_disable_msi(adapter->pdev); kfree(adapter->msix_entries); adapter->msix_entries = NULL; if (adapter->ahw->intr_tbl) { vfree(adapter->ahw->intr_tbl); adapter->ahw->intr_tbl = NULL; } } static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) { if (ahw->pci_base0 != NULL) iounmap(ahw->pci_base0); } static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) { struct qlcnic_hardware_context *ahw = adapter->ahw; struct qlcnic_pci_info *pci_info; int ret; if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { switch (ahw->port_type) { case QLCNIC_GBE: ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS; break; case QLCNIC_XGBE: ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS; break; } return 0; } if (ahw->op_mode == QLCNIC_MGMT_FUNC) return 0; pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); if (!pci_info) return -ENOMEM; ret = qlcnic_get_pci_info(adapter, pci_info); kfree(pci_info); return ret; } static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter) { bool ret = false; if (qlcnic_84xx_check(adapter)) { ret = true; } else if (qlcnic_83xx_check(adapter)) { if (adapter->ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG) ret = true; else ret = false; } return ret; } int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) { struct qlcnic_hardware_context *ahw = adapter->ahw; struct qlcnic_pci_info *pci_info; int i, id = 0, ret = 0, j = 0; u16 act_pci_func; u8 pfn; pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); if (!pci_info) return -ENOMEM; ret = qlcnic_get_pci_info(adapter, pci_info); if (ret) goto err_pci_info; act_pci_func = ahw->total_nic_func; adapter->npars = kcalloc(act_pci_func, sizeof(struct qlcnic_npar_info), GFP_KERNEL); if (!adapter->npars) { ret = -ENOMEM; goto err_pci_info; } adapter->eswitch = kcalloc(QLCNIC_NIU_MAX_XG_PORTS, sizeof(struct qlcnic_eswitch), GFP_KERNEL); if (!adapter->eswitch) { ret = -ENOMEM; goto err_npars; } for (i = 0; i < ahw->max_vnic_func; i++) { pfn = pci_info[i].id; if (pfn >= ahw->max_vnic_func) { ret = -EINVAL; dev_err(&adapter->pdev->dev, "%s: Invalid function 0x%x, max 0x%x\n", __func__, pfn, ahw->max_vnic_func); goto err_eswitch; } if (!pci_info[i].active || (pci_info[i].type != QLCNIC_TYPE_NIC)) continue; if (qlcnic_port_eswitch_cfg_capability(adapter)) { if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn, &id)) adapter->npars[j].eswitch_status = true; else continue; } else { adapter->npars[j].eswitch_status = true; } adapter->npars[j].pci_func = pfn; adapter->npars[j].active = (u8)pci_info[i].active; adapter->npars[j].type = (u8)pci_info[i].type; adapter->npars[j].phy_port = (u8)pci_info[i].default_port; adapter->npars[j].min_bw = pci_info[i].tx_min_bw; adapter->npars[j].max_bw = pci_info[i].tx_max_bw; memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN); j++; } /* Update eSwitch status for adapters without per port eSwitch * configuration capability */ if (!qlcnic_port_eswitch_cfg_capability(adapter)) { for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; } kfree(pci_info); return 0; err_eswitch: kfree(adapter->eswitch); adapter->eswitch = NULL; err_npars: kfree(adapter->npars); adapter->npars = NULL; err_pci_info: kfree(pci_info); return ret; } static int qlcnic_set_function_modes(struct qlcnic_adapter *adapter) { u8 id; int ret; u32 data = QLCNIC_MGMT_FUNC; struct qlcnic_hardware_context *ahw = adapter->ahw; ret = qlcnic_api_lock(adapter); if (ret) goto err_lock; id = ahw->pci_func; data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); data = (data & ~QLC_DEV_SET_DRV(0xf, id)) | QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id); QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); qlcnic_api_unlock(adapter); err_lock: return ret; } static void qlcnic_check_vf(struct qlcnic_adapter *adapter, const struct pci_device_id *ent) { u32 op_mode, priv_level; /* Determine FW API version */ adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_API); /* Find PCI function number */ qlcnic_get_func_no(adapter); /* Determine function privilege level */ op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 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 #define QLCNIC_83XX_BAR0_LENGTH 0x4000 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; case PCI_DEVICE_ID_QLOGIC_QLE834X: case PCI_DEVICE_ID_QLOGIC_QLE8830: case PCI_DEVICE_ID_QLOGIC_QLE844X: case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: *bar = QLCNIC_83XX_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, "%dKB memory map\n", (int)(mem_len >> 10)); 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 bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter, int index) { struct pci_dev *pdev = adapter->pdev; unsigned short subsystem_vendor; bool ret = true; subsystem_vendor = pdev->subsystem_vendor; if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X || pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { if (qlcnic_boards[index].sub_vendor == subsystem_vendor && qlcnic_boards[index].sub_device == pdev->subsystem_device) ret = true; else ret = false; } return ret; } 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_validate_subsystem_id(adapter, i)) { found = 1; break; } } if (!found) sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); else sprintf(name, "%pM: %s" , adapter->mac_addr, qlcnic_boards[i].short_name); } static void qlcnic_check_options(struct qlcnic_adapter *adapter) { int err; u32 fw_major, fw_minor, fw_build, prev_fw_version; struct pci_dev *pdev = adapter->pdev; struct qlcnic_hardware_context *ahw = adapter->ahw; struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; prev_fw_version = adapter->fw_version; fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); err = qlcnic_get_board_info(adapter); if (err) { dev_err(&pdev->dev, "Error getting board config info.\n"); return; } if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { if (fw_dump->tmpl_hdr == NULL || adapter->fw_version > prev_fw_version) { 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, "Driver v%s, firmware v%d.%d.%d\n", QLCNIC_LINUX_VERSIONID, 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) { struct qlcnic_info nic_info; int err = 0; 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; if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { u32 temp; temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); if (err == -EIO) return err; adapter->ahw->extra_capability[0] = temp; } else { adapter->ahw->extra_capability[0] = 0; } 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; adapter->ahw->nic_mode = QLCNIC_VNIC_MODE; adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS; adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS; dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n"); } else { adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS; adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS; 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->rx_pvid = esw_cfg->vlan_id; adapter->tx_pvid = esw_cfg->vlan_id; } else { adapter->rx_pvid = 0; adapter->tx_pvid = 0; } } static int qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) { struct qlcnic_adapter *adapter = netdev_priv(netdev); int err; if (qlcnic_sriov_vf_check(adapter)) { err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); if (err) { netdev_err(netdev, "Cannot add VLAN filter for VLAN id %d, err=%d", vid, err); return err; } } set_bit(vid, adapter->vlans); return 0; } static int qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) { struct qlcnic_adapter *adapter = netdev_priv(netdev); int err; if (qlcnic_sriov_vf_check(adapter)) { err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); if (err) { netdev_err(netdev, "Cannot delete VLAN filter for VLAN id %d, err=%d", vid, err); return err; } } 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; } 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); qlcnic_set_netdev_features(adapter, &esw_cfg); return 0; } void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, struct qlcnic_esw_func_cfg *esw_cfg) { struct net_device *netdev = adapter->netdev; if (qlcnic_83xx_check(adapter)) return; adapter->offload_flags = esw_cfg->offload_flags; adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; netdev_update_features(netdev); adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; } static int qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) { 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; op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 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); } } else { adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; } adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; return err; } 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->total_nic_func; i++) { if (!adapter->npars[i].eswitch_status) continue; 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; } 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->total_nic_func; i++) { npar = &adapter->npars[i]; pci_func = npar->pci_func; if (!adapter->npars[i].eswitch_status) continue; 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 = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { msleep(1000); npar_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); } if (!npar_opt_timeo) { dev_err(&adapter->pdev->dev, "Waiting for NPAR state to operational 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_82xx_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; QLC_SHARED_REG_WR32(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: QLC_SHARED_REG_WR32(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; struct qlcnic_host_tx_ring *tx_ring; int err, ring, num_sds_rings; 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) { if (qlcnic_82xx_check(adapter)) handler = qlcnic_tmp_intr; else handler = qlcnic_83xx_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; if (qlcnic_82xx_check(adapter)) handler = qlcnic_intr; else handler = qlcnic_83xx_intr; } } adapter->irq = netdev->irq; if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { if (qlcnic_82xx_check(adapter) || (qlcnic_83xx_check(adapter) && (adapter->flags & QLCNIC_MSIX_ENABLED))) { num_sds_rings = adapter->drv_sds_rings; for (ring = 0; ring < num_sds_rings; ring++) { sds_ring = &recv_ctx->sds_rings[ring]; if (qlcnic_82xx_check(adapter) && !qlcnic_check_multi_tx(adapter) && (ring == (num_sds_rings - 1))) { if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) snprintf(sds_ring->name, sizeof(sds_ring->name), "qlcnic"); else snprintf(sds_ring->name, sizeof(sds_ring->name), "%s-tx-0-rx-%d", netdev->name, ring); } else { snprintf(sds_ring->name, sizeof(sds_ring->name), "%s-rx-%d", netdev->name, ring); } err = request_irq(sds_ring->irq, handler, flags, sds_ring->name, sds_ring); if (err) return err; } } if ((qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter)) || (qlcnic_83xx_check(adapter) && (adapter->flags & QLCNIC_MSIX_ENABLED) && !(adapter->flags & QLCNIC_TX_INTR_SHARED))) { handler = qlcnic_msix_tx_intr; for (ring = 0; ring < adapter->drv_tx_rings; ring++) { tx_ring = &adapter->tx_ring[ring]; snprintf(tx_ring->name, sizeof(tx_ring->name), "%s-tx-%d", netdev->name, ring); err = request_irq(tx_ring->irq, handler, flags, tx_ring->name, tx_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_host_tx_ring *tx_ring; struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { if (qlcnic_82xx_check(adapter) || (qlcnic_83xx_check(adapter) && (adapter->flags & QLCNIC_MSIX_ENABLED))) { for (ring = 0; ring < adapter->drv_sds_rings; ring++) { sds_ring = &recv_ctx->sds_rings[ring]; free_irq(sds_ring->irq, sds_ring); } } if ((qlcnic_83xx_check(adapter) && !(adapter->flags & QLCNIC_TX_INTR_SHARED)) || (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { for (ring = 0; ring < adapter->drv_tx_rings; ring++) { tx_ring = &adapter->tx_ring[ring]; if (tx_ring->irq) free_irq(tx_ring->irq, tx_ring); } } } } static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) { u32 capab = 0; if (qlcnic_82xx_check(adapter)) { if (adapter->ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; } else { capab = adapter->ahw->capabilities; if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; } } static int qlcnic_config_def_intr_coalesce(struct qlcnic_adapter *adapter) { struct qlcnic_hardware_context *ahw = adapter->ahw; int err; /* Initialize interrupt coalesce parameters */ ahw->coal.flag = QLCNIC_INTR_DEFAULT; if (qlcnic_83xx_check(adapter)) { ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; err = qlcnic_83xx_set_rx_tx_intr_coal(adapter); } else { ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; err = qlcnic_82xx_set_rx_coalesce(adapter); } return err; } int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) { int ring; 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; qlcnic_get_lro_mss_capability(adapter); 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, ring); } qlcnic_set_multi(netdev); qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); adapter->ahw->linkup = 0; if (adapter->drv_sds_rings > 1) qlcnic_config_rss(adapter, 1); qlcnic_config_def_intr_coalesce(adapter); if (netdev->features & NETIF_F_LRO) qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); set_bit(__QLCNIC_DEV_UP, &adapter->state); qlcnic_napi_enable(adapter); qlcnic_linkevent_request(adapter, 1); adapter->ahw->reset_context = 0; netif_tx_start_all_queues(netdev); return 0; } 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; } void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) { int ring; if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) return; if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) return; smp_mb(); netif_carrier_off(netdev); adapter->ahw->linkup = 0; 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); if (qlcnic_sriov_vf_check(adapter)) qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); qlcnic_napi_disable(adapter); qlcnic_fw_destroy_ctx(adapter); adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; qlcnic_reset_rx_buffers_list(adapter); for (ring = 0; ring < adapter->drv_tx_rings; ring++) qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]); } /* Usage: During suspend and firmware recovery module */ void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) { rtnl_lock(); if (netif_running(netdev)) __qlcnic_down(adapter, netdev); rtnl_unlock(); } 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); if (qlcnic_encap_rx_offload(adapter)) udp_tunnel_get_rx_info(netdev); 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; } 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 drv_sds_rings) { struct qlcnic_adapter *adapter = netdev_priv(netdev); struct qlcnic_host_sds_ring *sds_ring; int drv_tx_rings = adapter->drv_tx_rings; int ring; clear_bit(__QLCNIC_DEV_UP, &adapter->state); if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { for (ring = 0; ring < adapter->drv_sds_rings; ring++) { sds_ring = &adapter->recv_ctx->sds_rings[ring]; qlcnic_disable_sds_intr(adapter, sds_ring); } } qlcnic_fw_destroy_ctx(adapter); qlcnic_detach(adapter); adapter->ahw->diag_test = 0; adapter->drv_sds_rings = drv_sds_rings; adapter->drv_tx_rings = drv_tx_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) { struct qlcnic_hardware_context *ahw = adapter->ahw; int err = 0; adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), GFP_KERNEL); if (!adapter->recv_ctx) { err = -ENOMEM; goto err_out; } if (qlcnic_83xx_check(adapter)) { ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX_TX; ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; } else { ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; } /* clear stats */ memset(&adapter->stats, 0, sizeof(adapter->stats)); err_out: return err; } static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) { struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; kfree(adapter->recv_ctx); adapter->recv_ctx = NULL; if (fw_dump->tmpl_hdr) { vfree(fw_dump->tmpl_hdr); fw_dump->tmpl_hdr = NULL; } if (fw_dump->dma_buffer) { dma_free_coherent(&adapter->pdev->dev, QLC_PEX_DMA_READ_SIZE, fw_dump->dma_buffer, fw_dump->phys_addr); fw_dump->dma_buffer = NULL; } kfree(adapter->ahw->reset.buff); adapter->ahw->fw_dump.tmpl_hdr = 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->drv_sds_rings = QLCNIC_SINGLE_RING; adapter->ahw->diag_test = test; adapter->ahw->linkup = 0; 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, ring); } if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { for (ring = 0; ring < adapter->drv_sds_rings; ring++) { sds_ring = &adapter->recv_ctx->sds_rings[ring]; qlcnic_enable_sds_intr(adapter, 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); netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__); 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 void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) { struct qlcnic_hardware_context *ahw = adapter->ahw; u16 act_pci_fn = ahw->total_nic_func; u16 count; ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; if (act_pci_fn <= 2) count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / act_pci_fn; else count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / act_pci_fn; ahw->max_uc_count = count; } static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter, u8 tx_queues, u8 rx_queues) { struct net_device *netdev = adapter->netdev; int err = 0; if (tx_queues) { err = netif_set_real_num_tx_queues(netdev, tx_queues); if (err) { netdev_err(netdev, "failed to set %d Tx queues\n", tx_queues); return err; } } if (rx_queues) { err = netif_set_real_num_rx_queues(netdev, rx_queues); if (err) netdev_err(netdev, "failed to set %d Rx queues\n", rx_queues); } return err; } 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->rx_csum = 1; adapter->ahw->mc_enabled = 0; qlcnic_set_mac_filter_count(adapter); netdev->netdev_ops = &qlcnic_netdev_ops; netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; qlcnic_change_mtu(netdev, netdev->mtu); netdev->ethtool_ops = (qlcnic_sriov_vf_check(adapter)) ? &qlcnic_sriov_vf_ethtool_ops : &qlcnic_ethtool_ops; netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | NETIF_F_IPV6_CSUM | NETIF_F_GRO | NETIF_F_HW_VLAN_CTAG_RX); netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM); if (QLCNIC_IS_TSO_CAPABLE(adapter)) { netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); } if (pci_using_dac) { netdev->features |= NETIF_F_HIGHDMA; netdev->vlan_features |= NETIF_F_HIGHDMA; } if (qlcnic_vlan_tx_check(adapter)) netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); if (qlcnic_sriov_vf_check(adapter)) netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) netdev->features |= NETIF_F_LRO; if (qlcnic_encap_tx_offload(adapter)) { netdev->features |= NETIF_F_GSO_UDP_TUNNEL; /* encapsulation Tx offload supported by Adapter */ netdev->hw_enc_features = NETIF_F_IP_CSUM | NETIF_F_GSO_UDP_TUNNEL | NETIF_F_TSO | NETIF_F_TSO6; } if (qlcnic_encap_rx_offload(adapter)) netdev->hw_enc_features |= NETIF_F_RXCSUM; netdev->hw_features = netdev->features; netdev->priv_flags |= IFF_UNICAST_FLT; netdev->irq = adapter->msix_entries[0].vector; /* MTU range: 68 - 9600 */ netdev->min_mtu = P3P_MIN_MTU; netdev->max_mtu = P3P_MAX_MTU; err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings, adapter->drv_sds_rings); if (err) return err; qlcnic_dcb_init_dcbnl_ops(adapter->dcb); 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; } void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) { int ring; struct qlcnic_host_tx_ring *tx_ring; for (ring = 0; ring < adapter->drv_tx_rings; ring++) { tx_ring = &adapter->tx_ring[ring]; if (tx_ring) { vfree(tx_ring->cmd_buf_arr); tx_ring->cmd_buf_arr = NULL; } } kfree(adapter->tx_ring); } int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, struct net_device *netdev) { int ring, vector, index; struct qlcnic_host_tx_ring *tx_ring; struct qlcnic_cmd_buffer *cmd_buf_arr; tx_ring = kcalloc(adapter->drv_tx_rings, sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); if (tx_ring == NULL) return -ENOMEM; adapter->tx_ring = tx_ring; for (ring = 0; ring < adapter->drv_tx_rings; ring++) { tx_ring = &adapter->tx_ring[ring]; tx_ring->num_desc = adapter->num_txd; tx_ring->txq = netdev_get_tx_queue(netdev, ring); cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); if (cmd_buf_arr == NULL) { qlcnic_free_tx_rings(adapter); return -ENOMEM; } tx_ring->cmd_buf_arr = cmd_buf_arr; spin_lock_init(&tx_ring->tx_clean_lock); } if (qlcnic_83xx_check(adapter) || (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { for (ring = 0; ring < adapter->drv_tx_rings; ring++) { tx_ring = &adapter->tx_ring[ring]; tx_ring->adapter = adapter; if (adapter->flags & QLCNIC_MSIX_ENABLED) { index = adapter->drv_sds_rings + ring; vector = adapter->msix_entries[index].vector; tx_ring->irq = vector; } } } return 0; } void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) { struct qlcnic_hardware_context *ahw = adapter->ahw; u32 fw_cmd = 0; if (qlcnic_82xx_check(adapter)) fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; else if (qlcnic_83xx_check(adapter)) fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER) qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); } /* Reset firmware API lock */ static void qlcnic_reset_api_lock(struct qlcnic_adapter *adapter) { qlcnic_api_lock(adapter); qlcnic_api_unlock(adapter); } static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { struct net_device *netdev = NULL; struct qlcnic_adapter *adapter = NULL; struct qlcnic_hardware_context *ahw; int err, pci_using_dac = -1; char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 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); ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); if (!ahw) { err = -ENOMEM; goto err_out_free_res; } switch (ent->device) { case PCI_DEVICE_ID_QLOGIC_QLE824X: ahw->hw_ops = &qlcnic_hw_ops; ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; break; case PCI_DEVICE_ID_QLOGIC_QLE834X: case PCI_DEVICE_ID_QLOGIC_QLE8830: case PCI_DEVICE_ID_QLOGIC_QLE844X: qlcnic_83xx_register_map(ahw); break; case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: case PCI_DEVICE_ID_QLOGIC_VF_QLE8C30: case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: qlcnic_sriov_vf_register_map(ahw); break; default: goto err_out_free_hw_res; } err = qlcnic_setup_pci_map(pdev, ahw); if (err) goto err_out_free_hw_res; netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter), QLCNIC_MAX_TX_RINGS); if (!netdev) { err = -ENOMEM; goto err_out_iounmap; } SET_NETDEV_DEV(netdev, &pdev->dev); adapter = netdev_priv(netdev); adapter->netdev = netdev; adapter->pdev = pdev; adapter->ahw = ahw; adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); if (adapter->qlcnic_wq == NULL) { err = -ENOMEM; dev_err(&pdev->dev, "Failed to create workqueue\n"); goto err_out_free_netdev; } err = qlcnic_alloc_adapter_resources(adapter); if (err) goto err_out_free_wq; adapter->dev_rst_time = jiffies; ahw->revision_id = pdev->revision; ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter); if (qlcnic_mac_learn == FDB_MAC_LEARN) adapter->fdb_mac_learn = true; else if (qlcnic_mac_learn == DRV_MAC_LEARN) adapter->drv_mac_learn = true; rwlock_init(&adapter->ahw->crb_lock); mutex_init(&adapter->ahw->mem_lock); INIT_LIST_HEAD(&adapter->mac_list); qlcnic_register_dcb(adapter); if (qlcnic_82xx_check(adapter)) { qlcnic_check_vf(adapter, ent); adapter->portnum = adapter->ahw->pci_func; qlcnic_reset_api_lock(adapter); err = qlcnic_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; } /* compute and set default and max tx/sds rings */ if (adapter->ahw->msix_supported) { if (qlcnic_check_multi_tx_capability(adapter) == 1) qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); else qlcnic_set_tx_ring_count(adapter, QLCNIC_DEF_TX_RINGS); qlcnic_set_sds_ring_count(adapter, QLCNIC_DEF_SDS_RINGS); } else { qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); } err = qlcnic_setup_idc_param(adapter); if (err) goto err_out_free_hw; adapter->flags |= QLCNIC_NEED_FLR; } else if (qlcnic_83xx_check(adapter)) { qlcnic_83xx_check_vf(adapter, ent); adapter->portnum = adapter->ahw->pci_func; err = qlcnic_83xx_init(adapter, pci_using_dac); if (err) { switch (err) { case -ENOTRECOVERABLE: dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware\n"); dev_err(&pdev->dev, "Please replace the adapter with new one and return the faulty adapter for repair\n"); goto err_out_free_hw; case -ENOMEM: dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n"); goto err_out_free_hw; case -EOPNOTSUPP: dev_err(&pdev->dev, "Adapter initialization failed\n"); goto err_out_free_hw; default: dev_err(&pdev->dev, "Adapter initialization failed. Driver will load in maintenance mode to recover the adapter using the application\n"); goto err_out_maintenance_mode; } } if (qlcnic_sriov_vf_check(adapter)) return 0; } else { dev_err(&pdev->dev, "%s: failed. Please Reboot\n", __func__); err = -ENODEV; goto err_out_free_hw; } if (qlcnic_read_mac_addr(adapter)) dev_warn(&pdev->dev, "failed to read mac addr\n"); qlcnic_read_phys_port_id(adapter); 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); } if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && !!qlcnic_use_msi) dev_warn(&pdev->dev, "Device does not support MSI interrupts\n"); if (qlcnic_82xx_check(adapter)) { qlcnic_dcb_enable(adapter->dcb); qlcnic_dcb_get_info(adapter->dcb); err = qlcnic_setup_intr(adapter); if (err) { dev_err(&pdev->dev, "Failed to setup interrupt\n"); goto err_out_disable_msi; } } err = qlcnic_get_act_pci_func(adapter); if (err) goto err_out_disable_mbx_intr; if (adapter->portnum == 0) qlcnic_set_drv_version(adapter); err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); if (err) goto err_out_disable_mbx_intr; 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->drv_mac_learn) qlcnic_alloc_lb_filters_mem(adapter); qlcnic_add_sysfs(adapter); qlcnic_register_hwmon_dev(adapter); return 0; err_out_disable_mbx_intr: if (qlcnic_83xx_check(adapter)) qlcnic_83xx_free_mbx_intr(adapter); err_out_disable_msi: qlcnic_teardown_intr(adapter); qlcnic_cancel_idc_work(adapter); qlcnic_clr_all_drv_state(adapter, 0); err_out_free_hw: qlcnic_free_adapter_resources(adapter); err_out_free_wq: destroy_workqueue(adapter->qlcnic_wq); err_out_free_netdev: free_netdev(netdev); err_out_iounmap: qlcnic_cleanup_pci_map(ahw); err_out_free_hw_res: kfree(ahw); err_out_free_res: pci_release_regions(pdev); err_out_disable_pdev: pci_disable_device(pdev); return err; err_out_maintenance_mode: set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state); netdev->netdev_ops = &qlcnic_netdev_failed_ops; netdev->ethtool_ops = &qlcnic_ethtool_failed_ops; ahw->port_type = QLCNIC_XGBE; if (qlcnic_83xx_check(adapter)) adapter->tgt_status_reg = NULL; else ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS; err = register_netdev(netdev); if (err) { dev_err(&pdev->dev, "Failed to register net device\n"); qlcnic_clr_all_drv_state(adapter, 0); goto err_out_free_hw; } pci_set_drvdata(pdev, adapter); qlcnic_add_sysfs(adapter); return 0; } static void qlcnic_remove(struct pci_dev *pdev) { struct qlcnic_adapter *adapter; struct net_device *netdev; struct qlcnic_hardware_context *ahw; adapter = pci_get_drvdata(pdev); if (adapter == NULL) return; netdev = adapter->netdev; qlcnic_cancel_idc_work(adapter); qlcnic_sriov_pf_disable(adapter); ahw = adapter->ahw; unregister_netdev(netdev); qlcnic_sriov_cleanup(adapter); if (qlcnic_83xx_check(adapter)) { qlcnic_83xx_initialize_nic(adapter, 0); cancel_delayed_work_sync(&adapter->idc_aen_work); qlcnic_83xx_free_mbx_intr(adapter); qlcnic_83xx_detach_mailbox_work(adapter); qlcnic_83xx_free_mailbox(ahw->mailbox); kfree(ahw->fw_info); } qlcnic_dcb_free(adapter->dcb); qlcnic_detach(adapter); kfree(adapter->npars); 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); qlcnic_remove_sysfs(adapter); qlcnic_unregister_hwmon_dev(adapter); qlcnic_cleanup_pci_map(adapter->ahw); qlcnic_release_firmware(adapter); pci_disable_pcie_error_reporting(pdev); pci_release_regions(pdev); pci_disable_device(pdev); if (adapter->qlcnic_wq) { destroy_workqueue(adapter->qlcnic_wq); adapter->qlcnic_wq = NULL; } qlcnic_free_adapter_resources(adapter); kfree(ahw); free_netdev(netdev); } 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); 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); return __qlcnic_resume(adapter); } #endif static int qlcnic_open(struct net_device *netdev) { struct qlcnic_adapter *adapter = netdev_priv(netdev); int err; if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { netdev_err(netdev, "%s: Device is in non-operational state\n", __func__); return -EIO; } netif_carrier_off(netdev); err = qlcnic_attach(adapter); if (err) return err; err = __qlcnic_up(adapter, netdev); if (err) 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; } #define QLCNIC_VF_LB_BUCKET_SIZE 1 void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) { void *head; int i; struct net_device *netdev = adapter->netdev; u32 filter_size = 0; u16 act_pci_func = 0; if (adapter->fhash.fmax && adapter->fhash.fhead) return; act_pci_func = adapter->ahw->total_nic_func; spin_lock_init(&adapter->mac_learn_lock); spin_lock_init(&adapter->rx_mac_learn_lock); if (qlcnic_sriov_vf_check(adapter)) { filter_size = QLCNIC_83XX_SRIOV_VF_MAX_MAC - 1; adapter->fhash.fbucket_size = QLCNIC_VF_LB_BUCKET_SIZE; } else if (qlcnic_82xx_check(adapter)) { filter_size = QLCNIC_LB_MAX_FILTERS; adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; } else { filter_size = QLC_83XX_LB_MAX_FILTERS; adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; } head = kcalloc(adapter->fhash.fbucket_size, sizeof(struct hlist_head), GFP_ATOMIC); if (!head) return; adapter->fhash.fmax = (filter_size / act_pci_func); adapter->fhash.fhead = head; netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", act_pci_func, adapter->fhash.fmax); for (i = 0; i < adapter->fhash.fbucket_size; i++) INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; head = kcalloc(adapter->rx_fhash.fbucket_size, sizeof(struct hlist_head), GFP_ATOMIC); if (!head) return; adapter->rx_fhash.fmax = (filter_size / act_pci_func); adapter->rx_fhash.fhead = head; for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); } static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) { if (adapter->fhash.fmax) kfree(adapter->fhash.fhead); adapter->fhash.fhead = NULL; adapter->fhash.fmax = 0; if (adapter->rx_fhash.fmax) kfree(adapter->rx_fhash.fhead); adapter->rx_fhash.fmax = 0; adapter->rx_fhash.fhead = NULL; } 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_83xx_check(adapter)) temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); if (qlcnic_82xx_check(adapter)) temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 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 inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring) { int i; for (i = 0; i < tx_ring->num_desc; i++) { pr_info("TX Desc: %d\n", i); print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1, &tx_ring->desc_head[i], sizeof(struct cmd_desc_type0), true); } } static void qlcnic_dump_rings(struct qlcnic_adapter *adapter) { struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; struct net_device *netdev = adapter->netdev; struct qlcnic_host_rds_ring *rds_ring; struct qlcnic_host_sds_ring *sds_ring; struct qlcnic_host_tx_ring *tx_ring; int ring; if (!netdev || !netif_running(netdev)) return; for (ring = 0; ring < adapter->max_rds_rings; ring++) { rds_ring = &recv_ctx->rds_rings[ring]; if (!rds_ring) continue; netdev_info(netdev, "rds_ring=%d crb_rcv_producer=%d producer=%u num_desc=%u\n", ring, readl(rds_ring->crb_rcv_producer), rds_ring->producer, rds_ring->num_desc); } for (ring = 0; ring < adapter->drv_sds_rings; ring++) { sds_ring = &(recv_ctx->sds_rings[ring]); if (!sds_ring) continue; netdev_info(netdev, "sds_ring=%d crb_sts_consumer=%d consumer=%u crb_intr_mask=%d num_desc=%u\n", ring, readl(sds_ring->crb_sts_consumer), sds_ring->consumer, readl(sds_ring->crb_intr_mask), sds_ring->num_desc); } for (ring = 0; ring < adapter->drv_tx_rings; ring++) { tx_ring = &adapter->tx_ring[ring]; if (!tx_ring) continue; netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n", ring, tx_ring->ctx_id); netdev_info(netdev, "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n", tx_ring->tx_stats.xmit_finished, tx_ring->tx_stats.xmit_called, tx_ring->tx_stats.xmit_on, tx_ring->tx_stats.xmit_off); if (tx_ring->crb_intr_mask) netdev_info(netdev, "crb_intr_mask=%d\n", readl(tx_ring->crb_intr_mask)); netdev_info(netdev, "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n", readl(tx_ring->crb_cmd_producer), tx_ring->producer, tx_ring->sw_consumer, le32_to_cpu(*(tx_ring->hw_consumer))); netdev_info(netdev, "Total desc=%d, Available desc=%d\n", tx_ring->num_desc, qlcnic_tx_avail(tx_ring)); if (netif_msg_tx_err(adapter->ahw)) dump_tx_ring_desc(tx_ring); } } static void qlcnic_tx_timeout(struct net_device *netdev, unsigned int txqueue) { struct qlcnic_adapter *adapter = netdev_priv(netdev); if (test_bit(__QLCNIC_RESETTING, &adapter->state)) return; qlcnic_dump_rings(adapter); if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS || netif_msg_tx_err(adapter->ahw)) { netdev_err(netdev, "Tx timeout, reset the adapter.\n"); if (qlcnic_82xx_check(adapter)) adapter->need_fw_reset = 1; else if (qlcnic_83xx_check(adapter)) qlcnic_83xx_idc_request_reset(adapter, QLCNIC_FORCE_FW_DUMP_KEY); } else { netdev_err(netdev, "Tx timeout, reset adapter context.\n"); 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; if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) qlcnic_update_stats(adapter); 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_82xx_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_sds_intr(adapter, 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; } static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) { struct qlcnic_host_tx_ring *tx_ring = data; napi_schedule(&tx_ring->napi); return IRQ_HANDLED; } 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; QLC_SHARED_REG_WR32(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 = QLC_SHARED_REG_RD32(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); QLC_SHARED_REG_WR32(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 = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); qlcnic_api_unlock(adapter); return 0; } void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) { u32 val; if (qlcnic_api_lock(adapter)) goto err; val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); QLC_DEV_CLR_REF_CNT(val, adapter->portnum); QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); if (failed) { QLC_SHARED_REG_WR32(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)) QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_COLD); val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); QLC_SHARED_REG_WR32(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; struct qlcnic_hardware_context *ahw = adapter->ahw; state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); if (adapter->flags & QLCNIC_FW_RESET_OWNER) { active_mask = (~(1 << (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 = QLC_SHARED_REG_RD32(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 = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); if (!(val & (1 << (portnum * 4)))) { QLC_DEV_SET_REF_CNT(val, portnum); QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); } prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); QLCDB(adapter, HW, "Device state = %u\n", prev_state); switch (prev_state) { case QLCNIC_DEV_COLD: QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING); QLC_SHARED_REG_WR32(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 = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); QLC_DEV_SET_RST_RDY(val, portnum); QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); break; case QLCNIC_DEV_NEED_QUISCENT: val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); QLC_DEV_SET_QSCNT_RDY(val, portnum); QLC_SHARED_REG_WR32(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 = QLC_SHARED_REG_RD32(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 = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); QLC_DEV_CLR_RST_QSCNT(val, portnum); QLC_SHARED_REG_WR32(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 = QLC_SHARED_REG_RD32(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 = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); if (dev_state == QLCNIC_DEV_NEED_RESET) { QLC_SHARED_REG_WR32(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 = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); QLC_DEV_SET_RST_RDY(val, adapter->portnum); QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); } qlcnic_api_unlock(adapter); rtnl_lock(); if (qlcnic_check_fw_dump_state(adapter) && (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 = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); switch (dev_state) { case QLCNIC_DEV_READY: if (!qlcnic_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 = QLC_SHARED_REG_RD32(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 = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); if (state == QLCNIC_DEV_NPAR_NON_OPER) return; if (qlcnic_api_lock(adapter)) return; QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_NON_OPER); qlcnic_api_unlock(adapter); } static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key) { 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 = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { netdev_err(adapter->netdev, "%s: Device is in non-operational state\n", __func__); qlcnic_api_unlock(adapter); return; } if (state == QLCNIC_DEV_READY) { QLC_SHARED_REG_WR32(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); } QLC_SHARED_REG_WR32(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; QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, QLCNIC_DEV_NPAR_OPER); QLCDB(adapter, DRV, "NPAR operational state set\n"); qlcnic_api_unlock(adapter); } 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(adapter->qlcnic_wq, &adapter->fw_work, round_jiffies_relative(delay)); } 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 = QLC_SHARED_REG_RD32(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: qlcnic_dcb_get_info(adapter->dcb); 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 (adapter->portnum == 0) qlcnic_set_drv_version(adapter); 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) { struct qlcnic_hardware_context *ahw = adapter->ahw; struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; u32 state = 0, heartbeat; u32 peg_status; int err = 0; if (qlcnic_check_temp(adapter)) goto detach; if (adapter->need_fw_reset) qlcnic_dev_request_reset(adapter, 0); state = QLC_SHARED_REG_RD32(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 = QLC_SHARED_REG_RD32(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 (ahw->reset_context && qlcnic_auto_fw_reset) qlcnic_reset_hw_context(adapter); return 0; } if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) return 0; adapter->flags |= QLCNIC_FW_HANG; qlcnic_dev_request_reset(adapter, 0); if (qlcnic_auto_fw_reset) clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); dev_err(&adapter->pdev->dev, "firmware hang detected\n"); peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 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", peg_status, QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 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"); } else if (!qlcnic_auto_fw_reset && fw_dump->enable && adapter->flags & QLCNIC_FW_RESET_OWNER) { qlcnic_dump_fw(adapter); } return 1; } 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_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); QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING); QLCDB(adapter, DRV, "Restarting fw\n"); } qlcnic_api_unlock(adapter); err = qlcnic_start_firmware(adapter); if (err) return err; qlcnic_clr_drv_state(adapter); kfree(adapter->msix_entries); adapter->msix_entries = NULL; err = qlcnic_setup_intr(adapter); if (err) { kfree(adapter->msix_entries); netdev_err(netdev, "failed to setup interrupt\n"); return err; } 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_82xx_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_82xx_io_slot_reset(struct pci_dev *pdev) { pci_ers_result_t res; rtnl_lock(); res = qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED; rtnl_unlock(); return res; } static void qlcnic_82xx_io_resume(struct pci_dev *pdev) { u32 state; struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, &adapter->state)) qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); } 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 qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; if (hw_ops->io_error_detected) { return hw_ops->io_error_detected(pdev, state); } else { dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); return PCI_ERS_RESULT_DISCONNECT; } } static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) { struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; if (hw_ops->io_slot_reset) { return hw_ops->io_slot_reset(pdev); } else { dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); return PCI_ERS_RESULT_DISCONNECT; } } static void qlcnic_io_resume(struct pci_dev *pdev) { struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; if (hw_ops->io_resume) hw_ops->io_resume(pdev); else dev_err(&pdev->dev, "AER resume handler not registered.\n"); } 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_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt, int queue_type) { struct net_device *netdev = adapter->netdev; char buf[8]; if (queue_type == QLCNIC_RX_QUEUE) strcpy(buf, "SDS"); else strcpy(buf, "Tx"); if (!is_power_of_2(ring_cnt)) { netdev_err(netdev, "%s rings value should be a power of 2\n", buf); return -EINVAL; } if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) && !qlcnic_check_multi_tx(adapter)) { netdev_err(netdev, "No Multi Tx queue support\n"); return -EINVAL; } if (ring_cnt > num_online_cpus()) { netdev_err(netdev, "%s value[%u] should not be higher than, number of online CPUs\n", buf, num_online_cpus()); return -EINVAL; } return 0; } int qlcnic_setup_rings(struct qlcnic_adapter *adapter) { struct net_device *netdev = adapter->netdev; u8 tx_rings, rx_rings; int err; if (test_bit(__QLCNIC_RESETTING, &adapter->state)) return -EBUSY; tx_rings = adapter->drv_tss_rings; rx_rings = adapter->drv_rss_rings; netif_device_detach(netdev); err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings); if (err) goto done; if (netif_running(netdev)) __qlcnic_down(adapter, netdev); qlcnic_detach(adapter); if (qlcnic_83xx_check(adapter)) { qlcnic_83xx_free_mbx_intr(adapter); qlcnic_83xx_enable_mbx_poll(adapter); } qlcnic_teardown_intr(adapter); err = qlcnic_setup_intr(adapter); if (err) { kfree(adapter->msix_entries); netdev_err(netdev, "failed to setup interrupt\n"); return err; } /* Check if we need to update real_num_{tx|rx}_queues because * qlcnic_setup_intr() may change Tx/Rx rings size */ if ((tx_rings != adapter->drv_tx_rings) || (rx_rings != adapter->drv_sds_rings)) { err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings, adapter->drv_sds_rings); if (err) goto done; } if (qlcnic_83xx_check(adapter)) { qlcnic_83xx_initialize_nic(adapter, 1); err = qlcnic_83xx_setup_mbx_intr(adapter); qlcnic_83xx_disable_mbx_poll(adapter); if (err) { dev_err(&adapter->pdev->dev, "failed to setup mbx interrupt\n"); goto done; } } 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) { const struct in_ifaddr *ifa; struct in_device *indev; indev = in_dev_get(dev); if (!indev) return; in_dev_for_each_ifa_rtnl(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; } } in_dev_put(indev); } 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); rcu_read_lock(); for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { dev = __vlan_find_dev_deep_rcu(netdev, htons(ETH_P_8021Q), vid); if (!dev) continue; qlcnic_config_indev_addr(adapter, dev, event); } rcu_read_unlock(); } static int qlcnic_netdev_event(struct notifier_block *this, unsigned long event, void *ptr) { struct qlcnic_adapter *adapter; struct net_device *dev = netdev_notifier_info_to_dev(ptr); recheck: if (dev == NULL) goto done; if (is_vlan_dev(dev)) { 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 (is_vlan_dev(dev)) { 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 void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) { } #endif static const struct pci_error_handlers qlcnic_err_handler = { .error_detected = qlcnic_io_error_detected, .slot_reset = qlcnic_io_slot_reset, .resume = qlcnic_io_resume, }; 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, #ifdef CONFIG_QLCNIC_SRIOV .sriov_configure = qlcnic_pci_sriov_configure, #endif }; static int __init qlcnic_init_module(void) { int ret; printk(KERN_INFO "%s\n", qlcnic_driver_string); #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 } 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 } module_exit(qlcnic_exit_module);
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