1aa43c215SJeff Kirsher /* 2aa43c215SJeff Kirsher * QLogic qlcnic NIC Driver 3577ae39dSJitendra Kalsaria * Copyright (c) 2009-2013 QLogic Corporation 4aa43c215SJeff Kirsher * 5aa43c215SJeff Kirsher * See LICENSE.qlcnic for copyright and licensing details. 6aa43c215SJeff Kirsher */ 7aa43c215SJeff Kirsher 8aa43c215SJeff Kirsher #include <linux/vmalloc.h> 9aa43c215SJeff Kirsher #include <linux/interrupt.h> 10aa43c215SJeff Kirsher 11aa43c215SJeff Kirsher #include "qlcnic.h" 1202feda17SRajesh Borundia #include "qlcnic_sriov.h" 13a15ebd37SHimanshu Madhani #include "qlcnic_hw.h" 14aa43c215SJeff Kirsher 15aa43c215SJeff Kirsher #include <linux/swab.h> 16aa43c215SJeff Kirsher #include <linux/dma-mapping.h> 1713159183SSony Chacko #include <linux/if_vlan.h> 18aa43c215SJeff Kirsher #include <net/ip.h> 19aa43c215SJeff Kirsher #include <linux/ipv6.h> 20aa43c215SJeff Kirsher #include <linux/inetdevice.h> 21aa43c215SJeff Kirsher #include <linux/aer.h> 22aa43c215SJeff Kirsher #include <linux/log2.h> 2347caf255SStephen Rothwell #include <linux/pci.h> 24aa43c215SJeff Kirsher 25aa43c215SJeff Kirsher MODULE_DESCRIPTION("QLogic 1/10 GbE Converged/Intelligent Ethernet Driver"); 26aa43c215SJeff Kirsher MODULE_LICENSE("GPL"); 27aa43c215SJeff Kirsher MODULE_VERSION(QLCNIC_LINUX_VERSIONID); 28aa43c215SJeff Kirsher MODULE_FIRMWARE(QLCNIC_UNIFIED_ROMIMAGE_NAME); 29aa43c215SJeff Kirsher 30aa43c215SJeff Kirsher char qlcnic_driver_name[] = "qlcnic"; 31aa43c215SJeff Kirsher static const char qlcnic_driver_string[] = "QLogic 1/10 GbE " 32aa43c215SJeff Kirsher "Converged/Intelligent Ethernet Driver v" QLCNIC_LINUX_VERSIONID; 33aa43c215SJeff Kirsher 34aa43c215SJeff Kirsher static int qlcnic_mac_learn; 35aa43c215SJeff Kirsher module_param(qlcnic_mac_learn, int, 0444); 36fe1adc6bSJitendra Kalsaria MODULE_PARM_DESC(qlcnic_mac_learn, 37fe1adc6bSJitendra Kalsaria "Mac Filter (0=learning is disabled, 1=Driver learning is enabled, 2=FDB learning is enabled)"); 38aa43c215SJeff Kirsher 39629263acSSony Chacko int qlcnic_use_msi = 1; 409fd13331SHimanshu Madhani MODULE_PARM_DESC(use_msi, "MSI interrupt (0=disabled, 1=enabled)"); 41099f7aa7SSony Chacko module_param_named(use_msi, qlcnic_use_msi, int, 0444); 42aa43c215SJeff Kirsher 43629263acSSony Chacko int qlcnic_use_msi_x = 1; 449fd13331SHimanshu Madhani MODULE_PARM_DESC(use_msi_x, "MSI-X interrupt (0=disabled, 1=enabled)"); 45099f7aa7SSony Chacko module_param_named(use_msi_x, qlcnic_use_msi_x, int, 0444); 46aa43c215SJeff Kirsher 47629263acSSony Chacko int qlcnic_auto_fw_reset = 1; 489fd13331SHimanshu Madhani MODULE_PARM_DESC(auto_fw_reset, "Auto firmware reset (0=disabled, 1=enabled)"); 49099f7aa7SSony Chacko module_param_named(auto_fw_reset, qlcnic_auto_fw_reset, int, 0644); 50aa43c215SJeff Kirsher 51629263acSSony Chacko int qlcnic_load_fw_file; 529fd13331SHimanshu Madhani MODULE_PARM_DESC(load_fw_file, "Load firmware from (0=flash, 1=file)"); 53099f7aa7SSony Chacko module_param_named(load_fw_file, qlcnic_load_fw_file, int, 0444); 54aa43c215SJeff Kirsher 551dd06ae8SGreg Kroah-Hartman static int qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent); 566bb58bb0SBill Pemberton static void qlcnic_remove(struct pci_dev *pdev); 57aa43c215SJeff Kirsher static int qlcnic_open(struct net_device *netdev); 58aa43c215SJeff Kirsher static int qlcnic_close(struct net_device *netdev); 59aa43c215SJeff Kirsher static void qlcnic_tx_timeout(struct net_device *netdev); 60aa43c215SJeff Kirsher static void qlcnic_attach_work(struct work_struct *work); 61aa43c215SJeff Kirsher static void qlcnic_fwinit_work(struct work_struct *work); 62aa43c215SJeff Kirsher #ifdef CONFIG_NET_POLL_CONTROLLER 63aa43c215SJeff Kirsher static void qlcnic_poll_controller(struct net_device *netdev); 64aa43c215SJeff Kirsher #endif 65aa43c215SJeff Kirsher 66aa43c215SJeff Kirsher static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding); 67aa43c215SJeff Kirsher static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); 68aa43c215SJeff Kirsher 69aa43c215SJeff Kirsher static irqreturn_t qlcnic_tmp_intr(int irq, void *data); 70aa43c215SJeff Kirsher static irqreturn_t qlcnic_intr(int irq, void *data); 71aa43c215SJeff Kirsher static irqreturn_t qlcnic_msi_intr(int irq, void *data); 72aa43c215SJeff Kirsher static irqreturn_t qlcnic_msix_intr(int irq, void *data); 7313159183SSony Chacko static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data); 74aa43c215SJeff Kirsher 75aa43c215SJeff Kirsher static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev); 76aa43c215SJeff Kirsher static int qlcnic_start_firmware(struct qlcnic_adapter *); 77aa43c215SJeff Kirsher 78aa43c215SJeff Kirsher static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter); 79aa43c215SJeff Kirsher static void qlcnic_dev_set_npar_ready(struct qlcnic_adapter *); 80aa43c215SJeff Kirsher static int qlcnicvf_start_firmware(struct qlcnic_adapter *); 8180d5c368SPatrick McHardy static int qlcnic_vlan_rx_add(struct net_device *, __be16, u16); 8280d5c368SPatrick McHardy static int qlcnic_vlan_rx_del(struct net_device *, __be16, u16); 83aa43c215SJeff Kirsher 8421041400Sstephen hemminger static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *); 8521041400Sstephen hemminger static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *, u32); 8621041400Sstephen hemminger static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *); 8721041400Sstephen hemminger static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *); 8821041400Sstephen hemminger static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *); 8921041400Sstephen hemminger static void qlcnic_82xx_io_resume(struct pci_dev *); 9021041400Sstephen hemminger static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *); 9121041400Sstephen hemminger static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *, 9221041400Sstephen hemminger pci_channel_state_t); 9321041400Sstephen hemminger 9413159183SSony Chacko static u32 qlcnic_vlan_tx_check(struct qlcnic_adapter *adapter) 9513159183SSony Chacko { 9613159183SSony Chacko struct qlcnic_hardware_context *ahw = adapter->ahw; 9713159183SSony Chacko 9813159183SSony Chacko if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X) 9913159183SSony Chacko return ahw->capabilities & QLCNIC_FW_CAPABILITY_FVLANTX; 10013159183SSony Chacko else 10113159183SSony Chacko return 1; 10213159183SSony Chacko } 10313159183SSony Chacko 104aa43c215SJeff Kirsher /* PCI Device ID Table */ 105aa43c215SJeff Kirsher #define ENTRY(device) \ 106aa43c215SJeff Kirsher {PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, (device)), \ 107aa43c215SJeff Kirsher .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} 108aa43c215SJeff Kirsher 109aa43c215SJeff Kirsher static DEFINE_PCI_DEVICE_TABLE(qlcnic_pci_tbl) = { 110aa43c215SJeff Kirsher ENTRY(PCI_DEVICE_ID_QLOGIC_QLE824X), 11113159183SSony Chacko ENTRY(PCI_DEVICE_ID_QLOGIC_QLE834X), 112f8468331SRajesh Borundia ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE834X), 11315ca140fSManish Chopra ENTRY(PCI_DEVICE_ID_QLOGIC_QLE844X), 11415ca140fSManish Chopra ENTRY(PCI_DEVICE_ID_QLOGIC_VF_QLE844X), 115aa43c215SJeff Kirsher {0,} 116aa43c215SJeff Kirsher }; 117aa43c215SJeff Kirsher 118aa43c215SJeff Kirsher MODULE_DEVICE_TABLE(pci, qlcnic_pci_tbl); 119aa43c215SJeff Kirsher 120aa43c215SJeff Kirsher 1215ad6ff9dSSony Chacko inline void qlcnic_update_cmd_producer(struct qlcnic_host_tx_ring *tx_ring) 122aa43c215SJeff Kirsher { 123aa43c215SJeff Kirsher writel(tx_ring->producer, tx_ring->crb_cmd_producer); 124aa43c215SJeff Kirsher } 125aa43c215SJeff Kirsher 126aa43c215SJeff Kirsher static const u32 msi_tgt_status[8] = { 127aa43c215SJeff Kirsher ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, 128aa43c215SJeff Kirsher ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, 129aa43c215SJeff Kirsher ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, 130aa43c215SJeff Kirsher ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7 131aa43c215SJeff Kirsher }; 132aa43c215SJeff Kirsher 1337e2cf4feSSony Chacko static const u32 qlcnic_reg_tbl[] = { 1347e2cf4feSSony Chacko 0x1B20A8, /* PEG_HALT_STAT1 */ 1357e2cf4feSSony Chacko 0x1B20AC, /* PEG_HALT_STAT2 */ 1367e2cf4feSSony Chacko 0x1B20B0, /* FW_HEARTBEAT */ 1377e2cf4feSSony Chacko 0x1B2100, /* LOCK ID */ 1387e2cf4feSSony Chacko 0x1B2128, /* FW_CAPABILITIES */ 1397e2cf4feSSony Chacko 0x1B2138, /* drv active */ 1407e2cf4feSSony Chacko 0x1B2140, /* dev state */ 1417e2cf4feSSony Chacko 0x1B2144, /* drv state */ 1427e2cf4feSSony Chacko 0x1B2148, /* drv scratch */ 1437e2cf4feSSony Chacko 0x1B214C, /* dev partition info */ 1447e2cf4feSSony Chacko 0x1B2174, /* drv idc ver */ 1457e2cf4feSSony Chacko 0x1B2150, /* fw version major */ 1467e2cf4feSSony Chacko 0x1B2154, /* fw version minor */ 1477e2cf4feSSony Chacko 0x1B2158, /* fw version sub */ 1487e2cf4feSSony Chacko 0x1B219C, /* npar state */ 1497e2cf4feSSony Chacko 0x1B21FC, /* FW_IMG_VALID */ 1507e2cf4feSSony Chacko 0x1B2250, /* CMD_PEG_STATE */ 1517e2cf4feSSony Chacko 0x1B233C, /* RCV_PEG_STATE */ 1527e2cf4feSSony Chacko 0x1B23B4, /* ASIC TEMP */ 1537e2cf4feSSony Chacko 0x1B216C, /* FW api */ 1547e2cf4feSSony Chacko 0x1B2170, /* drv op mode */ 1557e2cf4feSSony Chacko 0x13C010, /* flash lock */ 1567e2cf4feSSony Chacko 0x13C014, /* flash unlock */ 1577e2cf4feSSony Chacko }; 1587e2cf4feSSony Chacko 15922999798SSony Chacko static const struct qlcnic_board_info qlcnic_boards[] = { 160e386cd4aSHimanshu Madhani { PCI_VENDOR_ID_QLOGIC, 16115ca140fSManish Chopra PCI_DEVICE_ID_QLOGIC_QLE844X, 16215ca140fSManish Chopra 0x0, 16315ca140fSManish Chopra 0x0, 16415ca140fSManish Chopra "8400 series 10GbE Converged Network Adapter (TCP/IP Networking)" }, 16515ca140fSManish Chopra { PCI_VENDOR_ID_QLOGIC, 166e386cd4aSHimanshu Madhani PCI_DEVICE_ID_QLOGIC_QLE834X, 167e386cd4aSHimanshu Madhani PCI_VENDOR_ID_QLOGIC, 168e386cd4aSHimanshu Madhani 0x24e, 169e386cd4aSHimanshu Madhani "8300 Series Dual Port 10GbE Converged Network Adapter " 170e386cd4aSHimanshu Madhani "(TCP/IP Networking)" }, 171e386cd4aSHimanshu Madhani { PCI_VENDOR_ID_QLOGIC, 172e386cd4aSHimanshu Madhani PCI_DEVICE_ID_QLOGIC_QLE834X, 173e386cd4aSHimanshu Madhani PCI_VENDOR_ID_QLOGIC, 174e386cd4aSHimanshu Madhani 0x243, 175e386cd4aSHimanshu Madhani "8300 Series Single Port 10GbE Converged Network Adapter " 176e386cd4aSHimanshu Madhani "(TCP/IP Networking)" }, 177e386cd4aSHimanshu Madhani { PCI_VENDOR_ID_QLOGIC, 178e386cd4aSHimanshu Madhani PCI_DEVICE_ID_QLOGIC_QLE834X, 179e386cd4aSHimanshu Madhani PCI_VENDOR_ID_QLOGIC, 180e386cd4aSHimanshu Madhani 0x24a, 181e386cd4aSHimanshu Madhani "8300 Series Dual Port 10GbE Converged Network Adapter " 182e386cd4aSHimanshu Madhani "(TCP/IP Networking)" }, 183e386cd4aSHimanshu Madhani { PCI_VENDOR_ID_QLOGIC, 184e386cd4aSHimanshu Madhani PCI_DEVICE_ID_QLOGIC_QLE834X, 185e386cd4aSHimanshu Madhani PCI_VENDOR_ID_QLOGIC, 186e386cd4aSHimanshu Madhani 0x246, 187e386cd4aSHimanshu Madhani "8300 Series Dual Port 10GbE Converged Network Adapter " 188e386cd4aSHimanshu Madhani "(TCP/IP Networking)" }, 189e386cd4aSHimanshu Madhani { PCI_VENDOR_ID_QLOGIC, 190e386cd4aSHimanshu Madhani PCI_DEVICE_ID_QLOGIC_QLE834X, 191e386cd4aSHimanshu Madhani PCI_VENDOR_ID_QLOGIC, 192e386cd4aSHimanshu Madhani 0x252, 193e386cd4aSHimanshu Madhani "8300 Series Dual Port 10GbE Converged Network Adapter " 194e386cd4aSHimanshu Madhani "(TCP/IP Networking)" }, 195e386cd4aSHimanshu Madhani { PCI_VENDOR_ID_QLOGIC, 196e386cd4aSHimanshu Madhani PCI_DEVICE_ID_QLOGIC_QLE834X, 197e386cd4aSHimanshu Madhani PCI_VENDOR_ID_QLOGIC, 198e386cd4aSHimanshu Madhani 0x26e, 199e386cd4aSHimanshu Madhani "8300 Series Dual Port 10GbE Converged Network Adapter " 200e386cd4aSHimanshu Madhani "(TCP/IP Networking)" }, 201e386cd4aSHimanshu Madhani { PCI_VENDOR_ID_QLOGIC, 202e386cd4aSHimanshu Madhani PCI_DEVICE_ID_QLOGIC_QLE834X, 203e386cd4aSHimanshu Madhani PCI_VENDOR_ID_QLOGIC, 204e386cd4aSHimanshu Madhani 0x260, 205e386cd4aSHimanshu Madhani "8300 Series Dual Port 10GbE Converged Network Adapter " 206e386cd4aSHimanshu Madhani "(TCP/IP Networking)" }, 207e386cd4aSHimanshu Madhani { PCI_VENDOR_ID_QLOGIC, 208e386cd4aSHimanshu Madhani PCI_DEVICE_ID_QLOGIC_QLE834X, 209e386cd4aSHimanshu Madhani PCI_VENDOR_ID_QLOGIC, 210e386cd4aSHimanshu Madhani 0x266, 211e386cd4aSHimanshu Madhani "8300 Series Single Port 10GbE Converged Network Adapter " 212e386cd4aSHimanshu Madhani "(TCP/IP Networking)" }, 213e386cd4aSHimanshu Madhani { PCI_VENDOR_ID_QLOGIC, 214e386cd4aSHimanshu Madhani PCI_DEVICE_ID_QLOGIC_QLE834X, 215e386cd4aSHimanshu Madhani PCI_VENDOR_ID_QLOGIC, 216e386cd4aSHimanshu Madhani 0x269, 217e386cd4aSHimanshu Madhani "8300 Series Dual Port 10GbE Converged Network Adapter " 218e386cd4aSHimanshu Madhani "(TCP/IP Networking)" }, 219e386cd4aSHimanshu Madhani { PCI_VENDOR_ID_QLOGIC, 220e386cd4aSHimanshu Madhani PCI_DEVICE_ID_QLOGIC_QLE834X, 221e386cd4aSHimanshu Madhani PCI_VENDOR_ID_QLOGIC, 222e386cd4aSHimanshu Madhani 0x271, 223e386cd4aSHimanshu Madhani "8300 Series Dual Port 10GbE Converged Network Adapter " 224e386cd4aSHimanshu Madhani "(TCP/IP Networking)" }, 225e386cd4aSHimanshu Madhani { PCI_VENDOR_ID_QLOGIC, 226e386cd4aSHimanshu Madhani PCI_DEVICE_ID_QLOGIC_QLE834X, 227e386cd4aSHimanshu Madhani 0x0, 0x0, "8300 Series 1/10GbE Controller" }, 228e386cd4aSHimanshu Madhani { PCI_VENDOR_ID_QLOGIC, 229e386cd4aSHimanshu Madhani PCI_DEVICE_ID_QLOGIC_QLE824X, 230e386cd4aSHimanshu Madhani PCI_VENDOR_ID_QLOGIC, 231e386cd4aSHimanshu Madhani 0x203, 23222999798SSony Chacko "8200 Series Single Port 10GbE Converged Network Adapter" 23322999798SSony Chacko "(TCP/IP Networking)" }, 234e386cd4aSHimanshu Madhani { PCI_VENDOR_ID_QLOGIC, 235e386cd4aSHimanshu Madhani PCI_DEVICE_ID_QLOGIC_QLE824X, 236e386cd4aSHimanshu Madhani PCI_VENDOR_ID_QLOGIC, 237e386cd4aSHimanshu Madhani 0x207, 23822999798SSony Chacko "8200 Series Dual Port 10GbE Converged Network Adapter" 23922999798SSony Chacko "(TCP/IP Networking)" }, 240e386cd4aSHimanshu Madhani { PCI_VENDOR_ID_QLOGIC, 241e386cd4aSHimanshu Madhani PCI_DEVICE_ID_QLOGIC_QLE824X, 242e386cd4aSHimanshu Madhani PCI_VENDOR_ID_QLOGIC, 243e386cd4aSHimanshu Madhani 0x20b, 24422999798SSony Chacko "3200 Series Dual Port 10Gb Intelligent Ethernet Adapter" }, 245e386cd4aSHimanshu Madhani { PCI_VENDOR_ID_QLOGIC, 246e386cd4aSHimanshu Madhani PCI_DEVICE_ID_QLOGIC_QLE824X, 247e386cd4aSHimanshu Madhani PCI_VENDOR_ID_QLOGIC, 248e386cd4aSHimanshu Madhani 0x20c, 24922999798SSony Chacko "3200 Series Quad Port 1Gb Intelligent Ethernet Adapter" }, 250e386cd4aSHimanshu Madhani { PCI_VENDOR_ID_QLOGIC, 251e386cd4aSHimanshu Madhani PCI_DEVICE_ID_QLOGIC_QLE824X, 252e386cd4aSHimanshu Madhani PCI_VENDOR_ID_QLOGIC, 253e386cd4aSHimanshu Madhani 0x20f, 25422999798SSony Chacko "3200 Series Single Port 10Gb Intelligent Ethernet Adapter" }, 255e386cd4aSHimanshu Madhani { PCI_VENDOR_ID_QLOGIC, 256e386cd4aSHimanshu Madhani PCI_DEVICE_ID_QLOGIC_QLE824X, 257e386cd4aSHimanshu Madhani 0x103c, 0x3733, 25822999798SSony Chacko "NC523SFP 10Gb 2-port Server Adapter" }, 259e386cd4aSHimanshu Madhani { PCI_VENDOR_ID_QLOGIC, 260e386cd4aSHimanshu Madhani PCI_DEVICE_ID_QLOGIC_QLE824X, 261e386cd4aSHimanshu Madhani 0x103c, 0x3346, 26222999798SSony Chacko "CN1000Q Dual Port Converged Network Adapter" }, 263e386cd4aSHimanshu Madhani { PCI_VENDOR_ID_QLOGIC, 264e386cd4aSHimanshu Madhani PCI_DEVICE_ID_QLOGIC_QLE824X, 265e386cd4aSHimanshu Madhani PCI_VENDOR_ID_QLOGIC, 266e386cd4aSHimanshu Madhani 0x210, 26722999798SSony Chacko "QME8242-k 10GbE Dual Port Mezzanine Card" }, 268e386cd4aSHimanshu Madhani { PCI_VENDOR_ID_QLOGIC, 269e386cd4aSHimanshu Madhani PCI_DEVICE_ID_QLOGIC_QLE824X, 270e386cd4aSHimanshu Madhani 0x0, 0x0, "cLOM8214 1/10GbE Controller" }, 27122999798SSony Chacko }; 27222999798SSony Chacko 27322999798SSony Chacko #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(qlcnic_boards) 27422999798SSony Chacko 275aa43c215SJeff Kirsher static const 276aa43c215SJeff Kirsher struct qlcnic_legacy_intr_set legacy_intr[] = QLCNIC_LEGACY_INTR_CONFIG; 277aa43c215SJeff Kirsher 278c70001a9SSony Chacko int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *recv_ctx, int count) 279aa43c215SJeff Kirsher { 280aa43c215SJeff Kirsher int size = sizeof(struct qlcnic_host_sds_ring) * count; 281aa43c215SJeff Kirsher 282aa43c215SJeff Kirsher recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL); 283aa43c215SJeff Kirsher 284aa43c215SJeff Kirsher return recv_ctx->sds_rings == NULL; 285aa43c215SJeff Kirsher } 286aa43c215SJeff Kirsher 287c70001a9SSony Chacko void qlcnic_free_sds_rings(struct qlcnic_recv_context *recv_ctx) 288aa43c215SJeff Kirsher { 289aa43c215SJeff Kirsher if (recv_ctx->sds_rings != NULL) 290aa43c215SJeff Kirsher kfree(recv_ctx->sds_rings); 291aa43c215SJeff Kirsher 292aa43c215SJeff Kirsher recv_ctx->sds_rings = NULL; 293aa43c215SJeff Kirsher } 294aa43c215SJeff Kirsher 295f8468331SRajesh Borundia int qlcnic_read_mac_addr(struct qlcnic_adapter *adapter) 296aa43c215SJeff Kirsher { 297aa43c215SJeff Kirsher struct net_device *netdev = adapter->netdev; 298aa43c215SJeff Kirsher struct pci_dev *pdev = adapter->pdev; 29907a251c8SShahed Shaikh u8 mac_addr[ETH_ALEN]; 30007a251c8SShahed Shaikh int ret; 301aa43c215SJeff Kirsher 30207a251c8SShahed Shaikh ret = qlcnic_get_mac_address(adapter, mac_addr, 30307a251c8SShahed Shaikh adapter->ahw->pci_func); 30407a251c8SShahed Shaikh if (ret) 30507a251c8SShahed Shaikh return ret; 306aa43c215SJeff Kirsher 307aa43c215SJeff Kirsher memcpy(netdev->dev_addr, mac_addr, ETH_ALEN); 308aa43c215SJeff Kirsher memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len); 309aa43c215SJeff Kirsher 310aa43c215SJeff Kirsher /* set station address */ 311aa43c215SJeff Kirsher 312aaeb6cdfSJiri Pirko if (!is_valid_ether_addr(netdev->dev_addr)) 313aa43c215SJeff Kirsher dev_warn(&pdev->dev, "Bad MAC address %pM.\n", 314aa43c215SJeff Kirsher netdev->dev_addr); 315aa43c215SJeff Kirsher 316aa43c215SJeff Kirsher return 0; 317aa43c215SJeff Kirsher } 318aa43c215SJeff Kirsher 319cffe52f3SManish Chopra static void qlcnic_delete_adapter_mac(struct qlcnic_adapter *adapter) 320cffe52f3SManish Chopra { 321154d0c81SManish Chopra struct qlcnic_mac_vlan_list *cur; 322cffe52f3SManish Chopra struct list_head *head; 323cffe52f3SManish Chopra 324cffe52f3SManish Chopra list_for_each(head, &adapter->mac_list) { 325154d0c81SManish Chopra cur = list_entry(head, struct qlcnic_mac_vlan_list, list); 3266878f79aSdingtianhong if (ether_addr_equal_unaligned(adapter->mac_addr, cur->mac_addr)) { 327cffe52f3SManish Chopra qlcnic_sre_macaddr_change(adapter, cur->mac_addr, 328cffe52f3SManish Chopra 0, QLCNIC_MAC_DEL); 329cffe52f3SManish Chopra list_del(&cur->list); 330cffe52f3SManish Chopra kfree(cur); 331cffe52f3SManish Chopra return; 332cffe52f3SManish Chopra } 333cffe52f3SManish Chopra } 334cffe52f3SManish Chopra } 335cffe52f3SManish Chopra 336aa43c215SJeff Kirsher static int qlcnic_set_mac(struct net_device *netdev, void *p) 337aa43c215SJeff Kirsher { 338aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = netdev_priv(netdev); 339aa43c215SJeff Kirsher struct sockaddr *addr = p; 340aa43c215SJeff Kirsher 3417cb03b23SRajesh Borundia if (qlcnic_sriov_vf_check(adapter)) 3427cb03b23SRajesh Borundia return -EINVAL; 3437cb03b23SRajesh Borundia 344aa43c215SJeff Kirsher if ((adapter->flags & QLCNIC_MAC_OVERRIDE_DISABLED)) 345aa43c215SJeff Kirsher return -EOPNOTSUPP; 346aa43c215SJeff Kirsher 347aa43c215SJeff Kirsher if (!is_valid_ether_addr(addr->sa_data)) 34813159183SSony Chacko return -EINVAL; 349aa43c215SJeff Kirsher 3506878f79aSdingtianhong if (ether_addr_equal_unaligned(adapter->mac_addr, addr->sa_data)) 351cffe52f3SManish Chopra return 0; 352cffe52f3SManish Chopra 353aa43c215SJeff Kirsher if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 354aa43c215SJeff Kirsher netif_device_detach(netdev); 355aa43c215SJeff Kirsher qlcnic_napi_disable(adapter); 356aa43c215SJeff Kirsher } 357aa43c215SJeff Kirsher 358cffe52f3SManish Chopra qlcnic_delete_adapter_mac(adapter); 359aa43c215SJeff Kirsher memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len); 360aa43c215SJeff Kirsher memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); 361aa43c215SJeff Kirsher qlcnic_set_multi(adapter->netdev); 362aa43c215SJeff Kirsher 363aa43c215SJeff Kirsher if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) { 364aa43c215SJeff Kirsher netif_device_attach(netdev); 365aa43c215SJeff Kirsher qlcnic_napi_enable(adapter); 366aa43c215SJeff Kirsher } 367aa43c215SJeff Kirsher return 0; 368aa43c215SJeff Kirsher } 369aa43c215SJeff Kirsher 3701690be63SVlad Yasevich static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], 3711690be63SVlad Yasevich struct net_device *netdev, const unsigned char *addr) 372fe1adc6bSJitendra Kalsaria { 373fe1adc6bSJitendra Kalsaria struct qlcnic_adapter *adapter = netdev_priv(netdev); 374fe1adc6bSJitendra Kalsaria int err = -EOPNOTSUPP; 375fe1adc6bSJitendra Kalsaria 3763e5c112fSVlad Yasevich if (!adapter->fdb_mac_learn) 3773e5c112fSVlad Yasevich return ndo_dflt_fdb_del(ndm, tb, netdev, addr); 378fe1adc6bSJitendra Kalsaria 379fe1adc6bSJitendra Kalsaria if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 38052e493d0SJitendra Kalsaria if (is_unicast_ether_addr(addr)) { 38152e493d0SJitendra Kalsaria err = dev_uc_del(netdev, addr); 38252e493d0SJitendra Kalsaria if (!err) 383fe1adc6bSJitendra Kalsaria err = qlcnic_nic_del_mac(adapter, addr); 38452e493d0SJitendra Kalsaria } else if (is_multicast_ether_addr(addr)) { 385fe1adc6bSJitendra Kalsaria err = dev_mc_del(netdev, addr); 38652e493d0SJitendra Kalsaria } else { 387fe1adc6bSJitendra Kalsaria err = -EINVAL; 388fe1adc6bSJitendra Kalsaria } 38952e493d0SJitendra Kalsaria } 390fe1adc6bSJitendra Kalsaria return err; 391fe1adc6bSJitendra Kalsaria } 392fe1adc6bSJitendra Kalsaria 393fe1adc6bSJitendra Kalsaria static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], 394fe1adc6bSJitendra Kalsaria struct net_device *netdev, 395fe1adc6bSJitendra Kalsaria const unsigned char *addr, u16 flags) 396fe1adc6bSJitendra Kalsaria { 397fe1adc6bSJitendra Kalsaria struct qlcnic_adapter *adapter = netdev_priv(netdev); 398fe1adc6bSJitendra Kalsaria int err = 0; 399fe1adc6bSJitendra Kalsaria 4003e5c112fSVlad Yasevich if (!adapter->fdb_mac_learn) 4013e5c112fSVlad Yasevich return ndo_dflt_fdb_add(ndm, tb, netdev, addr, flags); 402fe1adc6bSJitendra Kalsaria 403fe1adc6bSJitendra Kalsaria if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 404fe1adc6bSJitendra Kalsaria pr_info("%s: FDB e-switch is not enabled\n", __func__); 405fe1adc6bSJitendra Kalsaria return -EOPNOTSUPP; 406fe1adc6bSJitendra Kalsaria } 407fe1adc6bSJitendra Kalsaria 408fe1adc6bSJitendra Kalsaria if (ether_addr_equal(addr, adapter->mac_addr)) 409fe1adc6bSJitendra Kalsaria return err; 410fe1adc6bSJitendra Kalsaria 41152e493d0SJitendra Kalsaria if (is_unicast_ether_addr(addr)) { 41252e493d0SJitendra Kalsaria if (netdev_uc_count(netdev) < adapter->ahw->max_uc_count) 41352e493d0SJitendra Kalsaria err = dev_uc_add_excl(netdev, addr); 414fe1adc6bSJitendra Kalsaria else 41552e493d0SJitendra Kalsaria err = -ENOMEM; 41652e493d0SJitendra Kalsaria } else if (is_multicast_ether_addr(addr)) { 41752e493d0SJitendra Kalsaria err = dev_mc_add_excl(netdev, addr); 41852e493d0SJitendra Kalsaria } else { 419fe1adc6bSJitendra Kalsaria err = -EINVAL; 42052e493d0SJitendra Kalsaria } 421fe1adc6bSJitendra Kalsaria 422fe1adc6bSJitendra Kalsaria return err; 423fe1adc6bSJitendra Kalsaria } 424fe1adc6bSJitendra Kalsaria 425fe1adc6bSJitendra Kalsaria static int qlcnic_fdb_dump(struct sk_buff *skb, struct netlink_callback *ncb, 426fe1adc6bSJitendra Kalsaria struct net_device *netdev, int idx) 427fe1adc6bSJitendra Kalsaria { 428fe1adc6bSJitendra Kalsaria struct qlcnic_adapter *adapter = netdev_priv(netdev); 429fe1adc6bSJitendra Kalsaria 4303e5c112fSVlad Yasevich if (!adapter->fdb_mac_learn) 4313e5c112fSVlad Yasevich return ndo_dflt_fdb_dump(skb, ncb, netdev, idx); 432fe1adc6bSJitendra Kalsaria 433fe1adc6bSJitendra Kalsaria if (adapter->flags & QLCNIC_ESWITCH_ENABLED) 434fe1adc6bSJitendra Kalsaria idx = ndo_dflt_fdb_dump(skb, ncb, netdev, idx); 435fe1adc6bSJitendra Kalsaria 436fe1adc6bSJitendra Kalsaria return idx; 437fe1adc6bSJitendra Kalsaria } 438fe1adc6bSJitendra Kalsaria 4397e2cf4feSSony Chacko static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) 4407e2cf4feSSony Chacko { 4417e2cf4feSSony Chacko while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 4427e2cf4feSSony Chacko usleep_range(10000, 11000); 4437e2cf4feSSony Chacko 44466451615SSucheta Chakraborty if (!adapter->fw_work.work.func) 44566451615SSucheta Chakraborty return; 44666451615SSucheta Chakraborty 4477e2cf4feSSony Chacko cancel_delayed_work_sync(&adapter->fw_work); 4487e2cf4feSSony Chacko } 4497e2cf4feSSony Chacko 45007a251c8SShahed Shaikh static int qlcnic_get_phys_port_id(struct net_device *netdev, 45107a251c8SShahed Shaikh struct netdev_phys_port_id *ppid) 45207a251c8SShahed Shaikh { 45307a251c8SShahed Shaikh struct qlcnic_adapter *adapter = netdev_priv(netdev); 45407a251c8SShahed Shaikh struct qlcnic_hardware_context *ahw = adapter->ahw; 45507a251c8SShahed Shaikh 45607a251c8SShahed Shaikh if (!(adapter->flags & QLCNIC_HAS_PHYS_PORT_ID)) 45707a251c8SShahed Shaikh return -EOPNOTSUPP; 45807a251c8SShahed Shaikh 45907a251c8SShahed Shaikh ppid->id_len = sizeof(ahw->phys_port_id); 46007a251c8SShahed Shaikh memcpy(ppid->id, ahw->phys_port_id, ppid->id_len); 46107a251c8SShahed Shaikh 46207a251c8SShahed Shaikh return 0; 46307a251c8SShahed Shaikh } 46407a251c8SShahed Shaikh 465aa43c215SJeff Kirsher static const struct net_device_ops qlcnic_netdev_ops = { 466aa43c215SJeff Kirsher .ndo_open = qlcnic_open, 467aa43c215SJeff Kirsher .ndo_stop = qlcnic_close, 468aa43c215SJeff Kirsher .ndo_start_xmit = qlcnic_xmit_frame, 469aa43c215SJeff Kirsher .ndo_get_stats = qlcnic_get_stats, 470aa43c215SJeff Kirsher .ndo_validate_addr = eth_validate_addr, 471afc4b13dSJiri Pirko .ndo_set_rx_mode = qlcnic_set_multi, 472aa43c215SJeff Kirsher .ndo_set_mac_address = qlcnic_set_mac, 473aa43c215SJeff Kirsher .ndo_change_mtu = qlcnic_change_mtu, 474aa43c215SJeff Kirsher .ndo_fix_features = qlcnic_fix_features, 475aa43c215SJeff Kirsher .ndo_set_features = qlcnic_set_features, 476aa43c215SJeff Kirsher .ndo_tx_timeout = qlcnic_tx_timeout, 477aa43c215SJeff Kirsher .ndo_vlan_rx_add_vid = qlcnic_vlan_rx_add, 478aa43c215SJeff Kirsher .ndo_vlan_rx_kill_vid = qlcnic_vlan_rx_del, 479fe1adc6bSJitendra Kalsaria .ndo_fdb_add = qlcnic_fdb_add, 480fe1adc6bSJitendra Kalsaria .ndo_fdb_del = qlcnic_fdb_del, 481fe1adc6bSJitendra Kalsaria .ndo_fdb_dump = qlcnic_fdb_dump, 48207a251c8SShahed Shaikh .ndo_get_phys_port_id = qlcnic_get_phys_port_id, 483aa43c215SJeff Kirsher #ifdef CONFIG_NET_POLL_CONTROLLER 484aa43c215SJeff Kirsher .ndo_poll_controller = qlcnic_poll_controller, 485aa43c215SJeff Kirsher #endif 4864000e7a7SRajesh Borundia #ifdef CONFIG_QLCNIC_SRIOV 4874000e7a7SRajesh Borundia .ndo_set_vf_mac = qlcnic_sriov_set_vf_mac, 4884000e7a7SRajesh Borundia .ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate, 4894000e7a7SRajesh Borundia .ndo_get_vf_config = qlcnic_sriov_get_vf_config, 49091b7282bSRajesh Borundia .ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan, 491a80be5a5SRajesh Borundia .ndo_set_vf_spoofchk = qlcnic_sriov_set_vf_spoofchk, 4924000e7a7SRajesh Borundia #endif 493aa43c215SJeff Kirsher }; 494aa43c215SJeff Kirsher 495b43e5ee7SSucheta Chakraborty static const struct net_device_ops qlcnic_netdev_failed_ops = { 496b43e5ee7SSucheta Chakraborty .ndo_open = qlcnic_open, 497b43e5ee7SSucheta Chakraborty }; 498b43e5ee7SSucheta Chakraborty 499aa43c215SJeff Kirsher static struct qlcnic_nic_template qlcnic_ops = { 500aa43c215SJeff Kirsher .config_bridged_mode = qlcnic_config_bridged_mode, 5017e2cf4feSSony Chacko .config_led = qlcnic_82xx_config_led, 5027e2cf4feSSony Chacko .start_firmware = qlcnic_82xx_start_firmware, 5037e2cf4feSSony Chacko .request_reset = qlcnic_82xx_dev_request_reset, 5047e2cf4feSSony Chacko .cancel_idc_work = qlcnic_82xx_cancel_idc_work, 5057e2cf4feSSony Chacko .napi_add = qlcnic_82xx_napi_add, 5064be41e92SSony Chacko .napi_del = qlcnic_82xx_napi_del, 5077e2cf4feSSony Chacko .config_ipaddr = qlcnic_82xx_config_ipaddr, 508486a5bc7SRajesh Borundia .shutdown = qlcnic_82xx_shutdown, 509486a5bc7SRajesh Borundia .resume = qlcnic_82xx_resume, 5107e2cf4feSSony Chacko .clear_legacy_intr = qlcnic_82xx_clear_legacy_intr, 511aa43c215SJeff Kirsher }; 512aa43c215SJeff Kirsher 5137e2cf4feSSony Chacko struct qlcnic_nic_template qlcnic_vf_ops = { 514aa43c215SJeff Kirsher .config_bridged_mode = qlcnicvf_config_bridged_mode, 515aa43c215SJeff Kirsher .config_led = qlcnicvf_config_led, 516aa43c215SJeff Kirsher .start_firmware = qlcnicvf_start_firmware 517aa43c215SJeff Kirsher }; 518aa43c215SJeff Kirsher 5197e2cf4feSSony Chacko static struct qlcnic_hardware_ops qlcnic_hw_ops = { 5207e2cf4feSSony Chacko .read_crb = qlcnic_82xx_read_crb, 5217e2cf4feSSony Chacko .write_crb = qlcnic_82xx_write_crb, 5227e2cf4feSSony Chacko .read_reg = qlcnic_82xx_hw_read_wx_2M, 5237e2cf4feSSony Chacko .write_reg = qlcnic_82xx_hw_write_wx_2M, 5247e2cf4feSSony Chacko .get_mac_address = qlcnic_82xx_get_mac_address, 5257e2cf4feSSony Chacko .setup_intr = qlcnic_82xx_setup_intr, 5267e2cf4feSSony Chacko .alloc_mbx_args = qlcnic_82xx_alloc_mbx_args, 5277e2cf4feSSony Chacko .mbx_cmd = qlcnic_82xx_issue_cmd, 5287e2cf4feSSony Chacko .get_func_no = qlcnic_82xx_get_func_no, 5297e2cf4feSSony Chacko .api_lock = qlcnic_82xx_api_lock, 5307e2cf4feSSony Chacko .api_unlock = qlcnic_82xx_api_unlock, 5317e2cf4feSSony Chacko .add_sysfs = qlcnic_82xx_add_sysfs, 5327e2cf4feSSony Chacko .remove_sysfs = qlcnic_82xx_remove_sysfs, 5337e2cf4feSSony Chacko .process_lb_rcv_ring_diag = qlcnic_82xx_process_rcv_ring_diag, 5347e2cf4feSSony Chacko .create_rx_ctx = qlcnic_82xx_fw_cmd_create_rx_ctx, 5357e2cf4feSSony Chacko .create_tx_ctx = qlcnic_82xx_fw_cmd_create_tx_ctx, 5367cb03b23SRajesh Borundia .del_rx_ctx = qlcnic_82xx_fw_cmd_del_rx_ctx, 5377cb03b23SRajesh Borundia .del_tx_ctx = qlcnic_82xx_fw_cmd_del_tx_ctx, 5387e2cf4feSSony Chacko .setup_link_event = qlcnic_82xx_linkevent_request, 5397e2cf4feSSony Chacko .get_nic_info = qlcnic_82xx_get_nic_info, 5407e2cf4feSSony Chacko .get_pci_info = qlcnic_82xx_get_pci_info, 5417e2cf4feSSony Chacko .set_nic_info = qlcnic_82xx_set_nic_info, 5427e2cf4feSSony Chacko .change_macvlan = qlcnic_82xx_sre_macaddr_change, 5437e2cf4feSSony Chacko .napi_enable = qlcnic_82xx_napi_enable, 5447e2cf4feSSony Chacko .napi_disable = qlcnic_82xx_napi_disable, 5457e2cf4feSSony Chacko .config_intr_coal = qlcnic_82xx_config_intr_coalesce, 5467e2cf4feSSony Chacko .config_rss = qlcnic_82xx_config_rss, 5477e2cf4feSSony Chacko .config_hw_lro = qlcnic_82xx_config_hw_lro, 5487e2cf4feSSony Chacko .config_loopback = qlcnic_82xx_set_lb_mode, 5497e2cf4feSSony Chacko .clear_loopback = qlcnic_82xx_clear_lb_mode, 5507e2cf4feSSony Chacko .config_promisc_mode = qlcnic_82xx_nic_set_promisc, 5517e2cf4feSSony Chacko .change_l2_filter = qlcnic_82xx_change_filter, 5527e2cf4feSSony Chacko .get_board_info = qlcnic_82xx_get_board_info, 55352e493d0SJitendra Kalsaria .set_mac_filter_count = qlcnic_82xx_set_mac_filter_count, 55491b7282bSRajesh Borundia .free_mac_list = qlcnic_82xx_free_mac_list, 55507a251c8SShahed Shaikh .read_phys_port_id = qlcnic_82xx_read_phys_port_id, 5564460f2e8SPratik Pujar .io_error_detected = qlcnic_82xx_io_error_detected, 5574460f2e8SPratik Pujar .io_slot_reset = qlcnic_82xx_io_slot_reset, 5584460f2e8SPratik Pujar .io_resume = qlcnic_82xx_io_resume, 559a0431589SHimanshu Madhani .get_beacon_state = qlcnic_82xx_get_beacon_state, 5602cc5752eSManish chopra .enable_sds_intr = qlcnic_82xx_enable_sds_intr, 5612cc5752eSManish chopra .disable_sds_intr = qlcnic_82xx_disable_sds_intr, 5622cc5752eSManish chopra .enable_tx_intr = qlcnic_82xx_enable_tx_intr, 5632cc5752eSManish chopra .disable_tx_intr = qlcnic_82xx_disable_tx_intr, 5647e2cf4feSSony Chacko }; 5657e2cf4feSSony Chacko 56634e8c406SHimanshu Madhani static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter) 567012ec812SHimanshu Madhani { 568012ec812SHimanshu Madhani struct qlcnic_hardware_context *ahw = adapter->ahw; 569012ec812SHimanshu Madhani 57034e8c406SHimanshu Madhani if (qlcnic_82xx_check(adapter) && 571012ec812SHimanshu Madhani (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_MULTI_TX)) { 57234e8c406SHimanshu Madhani test_and_set_bit(__QLCNIC_MULTI_TX_UNIQUE, &adapter->state); 57334e8c406SHimanshu Madhani return 0; 574012ec812SHimanshu Madhani } else { 57534e8c406SHimanshu Madhani return 1; 576012ec812SHimanshu Madhani } 577012ec812SHimanshu Madhani } 578012ec812SHimanshu Madhani 57934e8c406SHimanshu Madhani static int qlcnic_max_rings(struct qlcnic_adapter *adapter, u8 ring_cnt, 58034e8c406SHimanshu Madhani int queue_type) 58134e8c406SHimanshu Madhani { 58234e8c406SHimanshu Madhani int num_rings, max_rings = QLCNIC_MAX_SDS_RINGS; 58334e8c406SHimanshu Madhani 58434e8c406SHimanshu Madhani if (queue_type == QLCNIC_RX_QUEUE) 58534e8c406SHimanshu Madhani max_rings = adapter->max_sds_rings; 58634e8c406SHimanshu Madhani else if (queue_type == QLCNIC_TX_QUEUE) 58734e8c406SHimanshu Madhani max_rings = adapter->max_tx_rings; 58834e8c406SHimanshu Madhani 58934e8c406SHimanshu Madhani num_rings = rounddown_pow_of_two(min_t(int, num_online_cpus(), 59034e8c406SHimanshu Madhani max_rings)); 59134e8c406SHimanshu Madhani 59234e8c406SHimanshu Madhani if (ring_cnt > num_rings) 59334e8c406SHimanshu Madhani return num_rings; 59434e8c406SHimanshu Madhani else 59534e8c406SHimanshu Madhani return ring_cnt; 59634e8c406SHimanshu Madhani } 59734e8c406SHimanshu Madhani 59834e8c406SHimanshu Madhani void qlcnic_set_tx_ring_count(struct qlcnic_adapter *adapter, u8 tx_cnt) 59934e8c406SHimanshu Madhani { 60034e8c406SHimanshu Madhani /* 83xx adapter does not have max_tx_rings intialized in probe */ 60134e8c406SHimanshu Madhani if (adapter->max_tx_rings) 60234e8c406SHimanshu Madhani adapter->drv_tx_rings = qlcnic_max_rings(adapter, tx_cnt, 60334e8c406SHimanshu Madhani QLCNIC_TX_QUEUE); 60434e8c406SHimanshu Madhani else 60534e8c406SHimanshu Madhani adapter->drv_tx_rings = tx_cnt; 60634e8c406SHimanshu Madhani 60734e8c406SHimanshu Madhani dev_info(&adapter->pdev->dev, "Set %d Tx rings\n", 60834e8c406SHimanshu Madhani adapter->drv_tx_rings); 60934e8c406SHimanshu Madhani } 61034e8c406SHimanshu Madhani 61134e8c406SHimanshu Madhani void qlcnic_set_sds_ring_count(struct qlcnic_adapter *adapter, u8 rx_cnt) 61234e8c406SHimanshu Madhani { 61334e8c406SHimanshu Madhani /* 83xx adapter does not have max_sds_rings intialized in probe */ 61434e8c406SHimanshu Madhani if (adapter->max_sds_rings) 61534e8c406SHimanshu Madhani adapter->drv_sds_rings = qlcnic_max_rings(adapter, rx_cnt, 61634e8c406SHimanshu Madhani QLCNIC_RX_QUEUE); 61734e8c406SHimanshu Madhani else 61834e8c406SHimanshu Madhani adapter->drv_sds_rings = rx_cnt; 61934e8c406SHimanshu Madhani 62034e8c406SHimanshu Madhani dev_info(&adapter->pdev->dev, "Set %d SDS rings\n", 62134e8c406SHimanshu Madhani adapter->drv_sds_rings); 62234e8c406SHimanshu Madhani } 62334e8c406SHimanshu Madhani 6247f966452SSony Chacko int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix) 625aa43c215SJeff Kirsher { 626aa43c215SJeff Kirsher struct pci_dev *pdev = adapter->pdev; 62734e8c406SHimanshu Madhani int drv_tx_rings, drv_sds_rings, tx_vector; 62813159183SSony Chacko int err = -1, i; 629da6c8063SRajesh Borundia 630da6c8063SRajesh Borundia if (adapter->flags & QLCNIC_TX_INTR_SHARED) { 63134e8c406SHimanshu Madhani drv_tx_rings = 0; 632da6c8063SRajesh Borundia tx_vector = 0; 633da6c8063SRajesh Borundia } else { 63434e8c406SHimanshu Madhani drv_tx_rings = adapter->drv_tx_rings; 635da6c8063SRajesh Borundia tx_vector = 1; 636da6c8063SRajesh Borundia } 63713159183SSony Chacko 63813159183SSony Chacko if (!adapter->msix_entries) { 63913159183SSony Chacko adapter->msix_entries = kcalloc(num_msix, 64013159183SSony Chacko sizeof(struct msix_entry), 64113159183SSony Chacko GFP_KERNEL); 642b2adaca9SJoe Perches if (!adapter->msix_entries) 64313159183SSony Chacko return -ENOMEM; 64413159183SSony Chacko } 645aa43c215SJeff Kirsher 64634e8c406SHimanshu Madhani adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 647aa43c215SJeff Kirsher adapter->flags &= ~(QLCNIC_MSI_ENABLED | QLCNIC_MSIX_ENABLED); 648aa43c215SJeff Kirsher 64979788450SSony Chacko if (adapter->ahw->msix_supported) { 650aa43c215SJeff Kirsher enable_msix: 65113159183SSony Chacko for (i = 0; i < num_msix; i++) 65213159183SSony Chacko adapter->msix_entries[i].entry = i; 653aa43c215SJeff Kirsher err = pci_enable_msix(pdev, adapter->msix_entries, num_msix); 654aa43c215SJeff Kirsher if (err == 0) { 655aa43c215SJeff Kirsher adapter->flags |= QLCNIC_MSIX_ENABLED; 65613159183SSony Chacko if (qlcnic_83xx_check(adapter)) { 65713159183SSony Chacko adapter->ahw->num_msix = num_msix; 65813159183SSony Chacko /* subtract mail box and tx ring vectors */ 65934e8c406SHimanshu Madhani adapter->drv_sds_rings = num_msix - 66034e8c406SHimanshu Madhani drv_tx_rings - 1; 66113159183SSony Chacko } else { 662012ec812SHimanshu Madhani adapter->ahw->num_msix = num_msix; 663012ec812SHimanshu Madhani if (qlcnic_check_multi_tx(adapter) && 66480c0e4f3SHimanshu Madhani !adapter->ahw->diag_test) 66534e8c406SHimanshu Madhani drv_sds_rings = num_msix - drv_tx_rings; 666012ec812SHimanshu Madhani else 66734e8c406SHimanshu Madhani drv_sds_rings = num_msix; 668012ec812SHimanshu Madhani 66934e8c406SHimanshu Madhani adapter->drv_sds_rings = drv_sds_rings; 67013159183SSony Chacko } 671aa43c215SJeff Kirsher dev_info(&pdev->dev, "using msi-x interrupts\n"); 672aa43c215SJeff Kirsher return err; 67313159183SSony Chacko } else if (err > 0) { 67413159183SSony Chacko dev_info(&pdev->dev, 67513159183SSony Chacko "Unable to allocate %d MSI-X interrupt vectors\n", 67613159183SSony Chacko num_msix); 67713159183SSony Chacko if (qlcnic_83xx_check(adapter)) { 678da6c8063SRajesh Borundia if (err < (QLC_83XX_MINIMUM_VECTOR - tx_vector)) 67913159183SSony Chacko return err; 68034e8c406SHimanshu Madhani err -= drv_tx_rings + 1; 681aa43c215SJeff Kirsher num_msix = rounddown_pow_of_two(err); 68234e8c406SHimanshu Madhani num_msix += drv_tx_rings + 1; 68313159183SSony Chacko } else { 68413159183SSony Chacko num_msix = rounddown_pow_of_two(err); 685012ec812SHimanshu Madhani if (qlcnic_check_multi_tx(adapter)) 68634e8c406SHimanshu Madhani num_msix += drv_tx_rings; 68713159183SSony Chacko } 68813159183SSony Chacko 68913159183SSony Chacko if (num_msix) { 69013159183SSony Chacko dev_info(&pdev->dev, 691dce056cbSManish Chopra "Trying to allocate %d MSI-X interrupt vectors\n", 69213159183SSony Chacko num_msix); 693aa43c215SJeff Kirsher goto enable_msix; 694aa43c215SJeff Kirsher } 69513159183SSony Chacko } else { 696dce056cbSManish Chopra dev_info(&pdev->dev, 697dce056cbSManish Chopra "Unable to allocate %d MSI-X interrupt vectors\n", 69813159183SSony Chacko num_msix); 699aa43c215SJeff Kirsher } 70013159183SSony Chacko } 70113159183SSony Chacko 702aa43c215SJeff Kirsher return err; 703aa43c215SJeff Kirsher } 704aa43c215SJeff Kirsher 7059a97e705SManish chopra static int qlcnic_enable_msi_legacy(struct qlcnic_adapter *adapter) 706aa43c215SJeff Kirsher { 7079a97e705SManish chopra int err = 0; 70815087c2bSSony Chacko u32 offset, mask_reg; 709aa43c215SJeff Kirsher const struct qlcnic_legacy_intr_set *legacy_intrp; 71015087c2bSSony Chacko struct qlcnic_hardware_context *ahw = adapter->ahw; 711aa43c215SJeff Kirsher struct pci_dev *pdev = adapter->pdev; 712aa43c215SJeff Kirsher 713099f7aa7SSony Chacko if (qlcnic_use_msi && !pci_enable_msi(pdev)) { 714aa43c215SJeff Kirsher adapter->flags |= QLCNIC_MSI_ENABLED; 71515087c2bSSony Chacko offset = msi_tgt_status[adapter->ahw->pci_func]; 71615087c2bSSony Chacko adapter->tgt_status_reg = qlcnic_get_ioaddr(adapter->ahw, 71715087c2bSSony Chacko offset); 718aa43c215SJeff Kirsher dev_info(&pdev->dev, "using msi interrupts\n"); 719aa43c215SJeff Kirsher adapter->msix_entries[0].vector = pdev->irq; 7209a97e705SManish chopra return err; 721aa43c215SJeff Kirsher } 722012ec812SHimanshu Madhani 7239a97e705SManish chopra if (qlcnic_use_msi || qlcnic_use_msi_x) 7249a97e705SManish chopra return -EOPNOTSUPP; 725aa43c215SJeff Kirsher 726aa43c215SJeff Kirsher legacy_intrp = &legacy_intr[adapter->ahw->pci_func]; 72779788450SSony Chacko adapter->ahw->int_vec_bit = legacy_intrp->int_vec_bit; 72815087c2bSSony Chacko offset = legacy_intrp->tgt_status_reg; 72915087c2bSSony Chacko adapter->tgt_status_reg = qlcnic_get_ioaddr(ahw, offset); 73015087c2bSSony Chacko mask_reg = legacy_intrp->tgt_mask_reg; 73115087c2bSSony Chacko adapter->tgt_mask_reg = qlcnic_get_ioaddr(ahw, mask_reg); 73215087c2bSSony Chacko adapter->isr_int_vec = qlcnic_get_ioaddr(ahw, ISR_INT_VECTOR); 73315087c2bSSony Chacko adapter->crb_int_state_reg = qlcnic_get_ioaddr(ahw, ISR_INT_STATE_REG); 734aa43c215SJeff Kirsher dev_info(&pdev->dev, "using legacy interrupts\n"); 735aa43c215SJeff Kirsher adapter->msix_entries[0].vector = pdev->irq; 7369a97e705SManish chopra return err; 737aa43c215SJeff Kirsher } 738aa43c215SJeff Kirsher 73921041400Sstephen hemminger static int qlcnic_82xx_setup_intr(struct qlcnic_adapter *adapter) 740aa43c215SJeff Kirsher { 7419a97e705SManish chopra int num_msix, err = 0; 742aa43c215SJeff Kirsher 74334e8c406SHimanshu Madhani num_msix = adapter->drv_sds_rings; 7447e2cf4feSSony Chacko 74534e8c406SHimanshu Madhani if (qlcnic_check_multi_tx(adapter)) 74634e8c406SHimanshu Madhani num_msix += adapter->drv_tx_rings; 747aa43c215SJeff Kirsher 7487e2cf4feSSony Chacko err = qlcnic_enable_msix(adapter, num_msix); 749012ec812SHimanshu Madhani if (err == -ENOMEM) 7507e2cf4feSSony Chacko return err; 751aa43c215SJeff Kirsher 752012ec812SHimanshu Madhani if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { 753012ec812SHimanshu Madhani qlcnic_disable_multi_tx(adapter); 754012ec812SHimanshu Madhani 7559a97e705SManish chopra err = qlcnic_enable_msi_legacy(adapter); 7569a97e705SManish chopra if (!err) 7579a97e705SManish chopra return err; 758012ec812SHimanshu Madhani } 7599a97e705SManish chopra 760012ec812SHimanshu Madhani return 0; 761012ec812SHimanshu Madhani } 762012ec812SHimanshu Madhani 763012ec812SHimanshu Madhani int qlcnic_82xx_mq_intrpt(struct qlcnic_adapter *adapter, int op_type) 764012ec812SHimanshu Madhani { 765012ec812SHimanshu Madhani struct qlcnic_hardware_context *ahw = adapter->ahw; 766012ec812SHimanshu Madhani int err, i; 767012ec812SHimanshu Madhani 768012ec812SHimanshu Madhani if (qlcnic_check_multi_tx(adapter) && 769c2c5e3a0SHimanshu Madhani !ahw->diag_test && 770012ec812SHimanshu Madhani (adapter->flags & QLCNIC_MSIX_ENABLED)) { 771012ec812SHimanshu Madhani ahw->intr_tbl = vzalloc(ahw->num_msix * 772012ec812SHimanshu Madhani sizeof(struct qlcnic_intrpt_config)); 773012ec812SHimanshu Madhani if (!ahw->intr_tbl) 774012ec812SHimanshu Madhani return -ENOMEM; 775012ec812SHimanshu Madhani 776012ec812SHimanshu Madhani for (i = 0; i < ahw->num_msix; i++) { 777012ec812SHimanshu Madhani ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; 778012ec812SHimanshu Madhani ahw->intr_tbl[i].id = i; 779012ec812SHimanshu Madhani ahw->intr_tbl[i].src = 0; 780012ec812SHimanshu Madhani } 781012ec812SHimanshu Madhani 782012ec812SHimanshu Madhani err = qlcnic_82xx_config_intrpt(adapter, 1); 783012ec812SHimanshu Madhani if (err) 784012ec812SHimanshu Madhani dev_err(&adapter->pdev->dev, 785012ec812SHimanshu Madhani "Failed to configure Interrupt for %d vector\n", 786012ec812SHimanshu Madhani ahw->num_msix); 787012ec812SHimanshu Madhani return err; 788012ec812SHimanshu Madhani } 789012ec812SHimanshu Madhani 790012ec812SHimanshu Madhani return 0; 791aa43c215SJeff Kirsher } 79213159183SSony Chacko 793319ecf12SSony Chacko void qlcnic_teardown_intr(struct qlcnic_adapter *adapter) 794aa43c215SJeff Kirsher { 795aa43c215SJeff Kirsher if (adapter->flags & QLCNIC_MSIX_ENABLED) 796aa43c215SJeff Kirsher pci_disable_msix(adapter->pdev); 797aa43c215SJeff Kirsher if (adapter->flags & QLCNIC_MSI_ENABLED) 798aa43c215SJeff Kirsher pci_disable_msi(adapter->pdev); 79913159183SSony Chacko 80013159183SSony Chacko kfree(adapter->msix_entries); 80113159183SSony Chacko adapter->msix_entries = NULL; 80213159183SSony Chacko 80313159183SSony Chacko if (adapter->ahw->intr_tbl) { 80413159183SSony Chacko vfree(adapter->ahw->intr_tbl); 80513159183SSony Chacko adapter->ahw->intr_tbl = NULL; 80613159183SSony Chacko } 807aa43c215SJeff Kirsher } 808aa43c215SJeff Kirsher 809f1a094a8SRajesh Borundia static void qlcnic_cleanup_pci_map(struct qlcnic_hardware_context *ahw) 810aa43c215SJeff Kirsher { 811f1a094a8SRajesh Borundia if (ahw->pci_base0 != NULL) 812f1a094a8SRajesh Borundia iounmap(ahw->pci_base0); 813aa43c215SJeff Kirsher } 814aa43c215SJeff Kirsher 8157e2cf4feSSony Chacko static int qlcnic_get_act_pci_func(struct qlcnic_adapter *adapter) 8167e2cf4feSSony Chacko { 8172f514c52SJitendra Kalsaria struct qlcnic_hardware_context *ahw = adapter->ahw; 8187e2cf4feSSony Chacko struct qlcnic_pci_info *pci_info; 8197e2cf4feSSony Chacko int ret; 8207e2cf4feSSony Chacko 8217e2cf4feSSony Chacko if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) { 8222f514c52SJitendra Kalsaria switch (ahw->port_type) { 8237e2cf4feSSony Chacko case QLCNIC_GBE: 8242f514c52SJitendra Kalsaria ahw->total_nic_func = QLCNIC_NIU_MAX_GBE_PORTS; 8257e2cf4feSSony Chacko break; 8267e2cf4feSSony Chacko case QLCNIC_XGBE: 8272f514c52SJitendra Kalsaria ahw->total_nic_func = QLCNIC_NIU_MAX_XG_PORTS; 8287e2cf4feSSony Chacko break; 8297e2cf4feSSony Chacko } 8307e2cf4feSSony Chacko return 0; 8317e2cf4feSSony Chacko } 8327e2cf4feSSony Chacko 8332f514c52SJitendra Kalsaria if (ahw->op_mode == QLCNIC_MGMT_FUNC) 8347e2cf4feSSony Chacko return 0; 8357e2cf4feSSony Chacko 8362f514c52SJitendra Kalsaria pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 8377e2cf4feSSony Chacko if (!pci_info) 8387e2cf4feSSony Chacko return -ENOMEM; 8397e2cf4feSSony Chacko 8407e2cf4feSSony Chacko ret = qlcnic_get_pci_info(adapter, pci_info); 8417e2cf4feSSony Chacko kfree(pci_info); 8427e2cf4feSSony Chacko return ret; 8437e2cf4feSSony Chacko } 844d71170fbSSony Chacko 84535dafcb0SSony Chacko static bool qlcnic_port_eswitch_cfg_capability(struct qlcnic_adapter *adapter) 84635dafcb0SSony Chacko { 84735dafcb0SSony Chacko bool ret = false; 84835dafcb0SSony Chacko 84935dafcb0SSony Chacko if (qlcnic_84xx_check(adapter)) { 85035dafcb0SSony Chacko ret = true; 85135dafcb0SSony Chacko } else if (qlcnic_83xx_check(adapter)) { 85235dafcb0SSony Chacko if (adapter->ahw->extra_capability[0] & 85335dafcb0SSony Chacko QLCNIC_FW_CAPABILITY_2_PER_PORT_ESWITCH_CFG) 85435dafcb0SSony Chacko ret = true; 85535dafcb0SSony Chacko else 85635dafcb0SSony Chacko ret = false; 85735dafcb0SSony Chacko } 85835dafcb0SSony Chacko 85935dafcb0SSony Chacko return ret; 86035dafcb0SSony Chacko } 86135dafcb0SSony Chacko 862d71170fbSSony Chacko int qlcnic_init_pci_info(struct qlcnic_adapter *adapter) 863aa43c215SJeff Kirsher { 8642f514c52SJitendra Kalsaria struct qlcnic_hardware_context *ahw = adapter->ahw; 865aa43c215SJeff Kirsher struct qlcnic_pci_info *pci_info; 8664c776aadSSony Chacko int i, id = 0, ret = 0, j = 0; 867bff57d8eSSony Chacko u16 act_pci_func; 868aa43c215SJeff Kirsher u8 pfn; 869aa43c215SJeff Kirsher 8702f514c52SJitendra Kalsaria pci_info = kcalloc(ahw->max_vnic_func, sizeof(*pci_info), GFP_KERNEL); 871aa43c215SJeff Kirsher if (!pci_info) 872aa43c215SJeff Kirsher return -ENOMEM; 873aa43c215SJeff Kirsher 874bff57d8eSSony Chacko ret = qlcnic_get_pci_info(adapter, pci_info); 875bff57d8eSSony Chacko if (ret) 876bff57d8eSSony Chacko goto err_pci_info; 877bff57d8eSSony Chacko 8782f514c52SJitendra Kalsaria act_pci_func = ahw->total_nic_func; 879bff57d8eSSony Chacko 880aa43c215SJeff Kirsher adapter->npars = kzalloc(sizeof(struct qlcnic_npar_info) * 881bff57d8eSSony Chacko act_pci_func, GFP_KERNEL); 882aa43c215SJeff Kirsher if (!adapter->npars) { 883aa43c215SJeff Kirsher ret = -ENOMEM; 884aa43c215SJeff Kirsher goto err_pci_info; 885aa43c215SJeff Kirsher } 886aa43c215SJeff Kirsher 887aa43c215SJeff Kirsher adapter->eswitch = kzalloc(sizeof(struct qlcnic_eswitch) * 888aa43c215SJeff Kirsher QLCNIC_NIU_MAX_XG_PORTS, GFP_KERNEL); 889aa43c215SJeff Kirsher if (!adapter->eswitch) { 890aa43c215SJeff Kirsher ret = -ENOMEM; 891aa43c215SJeff Kirsher goto err_npars; 892aa43c215SJeff Kirsher } 893aa43c215SJeff Kirsher 8942f514c52SJitendra Kalsaria for (i = 0; i < ahw->max_vnic_func; i++) { 895aa43c215SJeff Kirsher pfn = pci_info[i].id; 896bff57d8eSSony Chacko 8972f514c52SJitendra Kalsaria if (pfn >= ahw->max_vnic_func) { 898aa43c215SJeff Kirsher ret = QL_STATUS_INVALID_PARAM; 899aa43c215SJeff Kirsher goto err_eswitch; 900aa43c215SJeff Kirsher } 901bff57d8eSSony Chacko 902bff57d8eSSony Chacko if (!pci_info[i].active || 903bff57d8eSSony Chacko (pci_info[i].type != QLCNIC_TYPE_NIC)) 904bff57d8eSSony Chacko continue; 905bff57d8eSSony Chacko 90635dafcb0SSony Chacko if (qlcnic_port_eswitch_cfg_capability(adapter)) { 9074c776aadSSony Chacko if (!qlcnic_83xx_set_port_eswitch_status(adapter, pfn, 9084c776aadSSony Chacko &id)) 90935dafcb0SSony Chacko adapter->npars[j].eswitch_status = true; 91035dafcb0SSony Chacko else 91135dafcb0SSony Chacko continue; 91235dafcb0SSony Chacko } else { 91335dafcb0SSony Chacko adapter->npars[j].eswitch_status = true; 91435dafcb0SSony Chacko } 91535dafcb0SSony Chacko 916bff57d8eSSony Chacko adapter->npars[j].pci_func = pfn; 917bff57d8eSSony Chacko adapter->npars[j].active = (u8)pci_info[i].active; 918bff57d8eSSony Chacko adapter->npars[j].type = (u8)pci_info[i].type; 919bff57d8eSSony Chacko adapter->npars[j].phy_port = (u8)pci_info[i].default_port; 920bff57d8eSSony Chacko adapter->npars[j].min_bw = pci_info[i].tx_min_bw; 921bff57d8eSSony Chacko adapter->npars[j].max_bw = pci_info[i].tx_max_bw; 92235dafcb0SSony Chacko 9239e630955SSucheta Chakraborty memcpy(&adapter->npars[j].mac, &pci_info[i].mac, ETH_ALEN); 924bff57d8eSSony Chacko j++; 925aa43c215SJeff Kirsher } 926aa43c215SJeff Kirsher 9274c776aadSSony Chacko /* Update eSwitch status for adapters without per port eSwitch 9284c776aadSSony Chacko * configuration capability 9294c776aadSSony Chacko */ 9304c776aadSSony Chacko if (!qlcnic_port_eswitch_cfg_capability(adapter)) { 93135dafcb0SSony Chacko for (i = 0; i < QLCNIC_NIU_MAX_XG_PORTS; i++) 932aa43c215SJeff Kirsher adapter->eswitch[i].flags |= QLCNIC_SWITCH_ENABLE; 93313159183SSony Chacko } 934aa43c215SJeff Kirsher 935aa43c215SJeff Kirsher kfree(pci_info); 936aa43c215SJeff Kirsher return 0; 937aa43c215SJeff Kirsher 938aa43c215SJeff Kirsher err_eswitch: 939aa43c215SJeff Kirsher kfree(adapter->eswitch); 940aa43c215SJeff Kirsher adapter->eswitch = NULL; 941aa43c215SJeff Kirsher err_npars: 942aa43c215SJeff Kirsher kfree(adapter->npars); 943aa43c215SJeff Kirsher adapter->npars = NULL; 944aa43c215SJeff Kirsher err_pci_info: 945aa43c215SJeff Kirsher kfree(pci_info); 946aa43c215SJeff Kirsher 947aa43c215SJeff Kirsher return ret; 948aa43c215SJeff Kirsher } 949aa43c215SJeff Kirsher 950aa43c215SJeff Kirsher static int 951aa43c215SJeff Kirsher qlcnic_set_function_modes(struct qlcnic_adapter *adapter) 952aa43c215SJeff Kirsher { 953aa43c215SJeff Kirsher u8 id; 9547e8fd003SShahed Shaikh int ret; 955aa43c215SJeff Kirsher u32 data = QLCNIC_MGMT_FUNC; 956bff57d8eSSony Chacko struct qlcnic_hardware_context *ahw = adapter->ahw; 957aa43c215SJeff Kirsher 958aa43c215SJeff Kirsher ret = qlcnic_api_lock(adapter); 959aa43c215SJeff Kirsher if (ret) 960aa43c215SJeff Kirsher goto err_lock; 961aa43c215SJeff Kirsher 9627e8fd003SShahed Shaikh id = ahw->pci_func; 963a15ebd37SHimanshu Madhani data = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 9647e8fd003SShahed Shaikh data = (data & ~QLC_DEV_SET_DRV(0xf, id)) | 9657e8fd003SShahed Shaikh QLC_DEV_SET_DRV(QLCNIC_MGMT_FUNC, id); 966a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_DRV_OP_MODE, data); 967aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 968aa43c215SJeff Kirsher err_lock: 969aa43c215SJeff Kirsher return ret; 970aa43c215SJeff Kirsher } 971aa43c215SJeff Kirsher 97213159183SSony Chacko static void qlcnic_check_vf(struct qlcnic_adapter *adapter, 97313159183SSony Chacko const struct pci_device_id *ent) 974aa43c215SJeff Kirsher { 975aa43c215SJeff Kirsher u32 op_mode, priv_level; 976aa43c215SJeff Kirsher 977aa43c215SJeff Kirsher /* Determine FW API version */ 97813159183SSony Chacko adapter->ahw->fw_hal_version = QLC_SHARED_REG_RD32(adapter, 979aa43c215SJeff Kirsher QLCNIC_FW_API); 980aa43c215SJeff Kirsher 981aa43c215SJeff Kirsher /* Find PCI function number */ 98213159183SSony Chacko qlcnic_get_func_no(adapter); 983aa43c215SJeff Kirsher 984aa43c215SJeff Kirsher /* Determine function privilege level */ 98513159183SSony Chacko op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 986aa43c215SJeff Kirsher if (op_mode == QLC_DEV_DRV_DEFAULT) 987aa43c215SJeff Kirsher priv_level = QLCNIC_MGMT_FUNC; 988aa43c215SJeff Kirsher else 989aa43c215SJeff Kirsher priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 990aa43c215SJeff Kirsher 991aa43c215SJeff Kirsher if (priv_level == QLCNIC_NON_PRIV_FUNC) { 99279788450SSony Chacko adapter->ahw->op_mode = QLCNIC_NON_PRIV_FUNC; 993aa43c215SJeff Kirsher dev_info(&adapter->pdev->dev, 994aa43c215SJeff Kirsher "HAL Version: %d Non Privileged function\n", 99579788450SSony Chacko adapter->ahw->fw_hal_version); 996aa43c215SJeff Kirsher adapter->nic_ops = &qlcnic_vf_ops; 997aa43c215SJeff Kirsher } else 998aa43c215SJeff Kirsher adapter->nic_ops = &qlcnic_ops; 999aa43c215SJeff Kirsher } 1000aa43c215SJeff Kirsher 100115087c2bSSony Chacko #define QLCNIC_82XX_BAR0_LENGTH 0x00200000UL 100213159183SSony Chacko #define QLCNIC_83XX_BAR0_LENGTH 0x4000 100315087c2bSSony Chacko static void qlcnic_get_bar_length(u32 dev_id, ulong *bar) 1004aa43c215SJeff Kirsher { 100515087c2bSSony Chacko switch (dev_id) { 100615087c2bSSony Chacko case PCI_DEVICE_ID_QLOGIC_QLE824X: 100715087c2bSSony Chacko *bar = QLCNIC_82XX_BAR0_LENGTH; 100815087c2bSSony Chacko break; 100913159183SSony Chacko case PCI_DEVICE_ID_QLOGIC_QLE834X: 101015ca140fSManish Chopra case PCI_DEVICE_ID_QLOGIC_QLE844X: 1011f8468331SRajesh Borundia case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 101215ca140fSManish Chopra case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 101313159183SSony Chacko *bar = QLCNIC_83XX_BAR0_LENGTH; 101413159183SSony Chacko break; 101515087c2bSSony Chacko default: 101615087c2bSSony Chacko *bar = 0; 101715087c2bSSony Chacko } 101815087c2bSSony Chacko } 101915087c2bSSony Chacko 102015087c2bSSony Chacko static int qlcnic_setup_pci_map(struct pci_dev *pdev, 102115087c2bSSony Chacko struct qlcnic_hardware_context *ahw) 102215087c2bSSony Chacko { 102315087c2bSSony Chacko u32 offset; 1024aa43c215SJeff Kirsher void __iomem *mem_ptr0 = NULL; 102515087c2bSSony Chacko unsigned long mem_len, pci_len0 = 0, bar0_len; 1026aa43c215SJeff Kirsher 1027aa43c215SJeff Kirsher /* remap phys address */ 1028aa43c215SJeff Kirsher mem_len = pci_resource_len(pdev, 0); 1029aa43c215SJeff Kirsher 103015087c2bSSony Chacko qlcnic_get_bar_length(pdev->device, &bar0_len); 103115087c2bSSony Chacko if (mem_len >= bar0_len) { 1032aa43c215SJeff Kirsher 1033aa43c215SJeff Kirsher mem_ptr0 = pci_ioremap_bar(pdev, 0); 1034aa43c215SJeff Kirsher if (mem_ptr0 == NULL) { 1035aa43c215SJeff Kirsher dev_err(&pdev->dev, "failed to map PCI bar 0\n"); 1036aa43c215SJeff Kirsher return -EIO; 1037aa43c215SJeff Kirsher } 1038aa43c215SJeff Kirsher pci_len0 = mem_len; 1039aa43c215SJeff Kirsher } else { 1040aa43c215SJeff Kirsher return -EIO; 1041aa43c215SJeff Kirsher } 1042aa43c215SJeff Kirsher 1043f8468331SRajesh Borundia dev_info(&pdev->dev, "%dKB memory map\n", (int)(mem_len >> 10)); 10447e2cf4feSSony Chacko 104515087c2bSSony Chacko ahw->pci_base0 = mem_ptr0; 104615087c2bSSony Chacko ahw->pci_len0 = pci_len0; 104715087c2bSSony Chacko offset = QLCNIC_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(ahw->pci_func)); 104815087c2bSSony Chacko qlcnic_get_ioaddr(ahw, offset); 1049aa43c215SJeff Kirsher 1050aa43c215SJeff Kirsher return 0; 1051aa43c215SJeff Kirsher } 1052aa43c215SJeff Kirsher 105360dcbcb0SManish Chopra static bool qlcnic_validate_subsystem_id(struct qlcnic_adapter *adapter, 10542343f06aSManish Chopra int index) 10552343f06aSManish Chopra { 10562343f06aSManish Chopra struct pci_dev *pdev = adapter->pdev; 10572343f06aSManish Chopra unsigned short subsystem_vendor; 10582343f06aSManish Chopra bool ret = true; 10592343f06aSManish Chopra 10602343f06aSManish Chopra subsystem_vendor = pdev->subsystem_vendor; 10612343f06aSManish Chopra 10622343f06aSManish Chopra if (pdev->device == PCI_DEVICE_ID_QLOGIC_QLE824X || 10632343f06aSManish Chopra pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X) { 10642343f06aSManish Chopra if (qlcnic_boards[index].sub_vendor == subsystem_vendor && 10652343f06aSManish Chopra qlcnic_boards[index].sub_device == pdev->subsystem_device) 10662343f06aSManish Chopra ret = true; 10672343f06aSManish Chopra else 10682343f06aSManish Chopra ret = false; 10692343f06aSManish Chopra } 10702343f06aSManish Chopra 10712343f06aSManish Chopra return ret; 10722343f06aSManish Chopra } 10732343f06aSManish Chopra 107422999798SSony Chacko static void qlcnic_get_board_name(struct qlcnic_adapter *adapter, char *name) 1075aa43c215SJeff Kirsher { 1076aa43c215SJeff Kirsher struct pci_dev *pdev = adapter->pdev; 1077aa43c215SJeff Kirsher int i, found = 0; 1078aa43c215SJeff Kirsher 1079aa43c215SJeff Kirsher for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { 1080aa43c215SJeff Kirsher if (qlcnic_boards[i].vendor == pdev->vendor && 1081aa43c215SJeff Kirsher qlcnic_boards[i].device == pdev->device && 10822343f06aSManish Chopra qlcnic_validate_subsystem_id(adapter, i)) { 1083aa43c215SJeff Kirsher found = 1; 1084aa43c215SJeff Kirsher break; 1085aa43c215SJeff Kirsher } 1086aa43c215SJeff Kirsher } 1087aa43c215SJeff Kirsher 1088aa43c215SJeff Kirsher if (!found) 1089aa43c215SJeff Kirsher sprintf(name, "%pM Gigabit Ethernet", adapter->mac_addr); 10902343f06aSManish Chopra else 10912343f06aSManish Chopra sprintf(name, "%pM: %s" , adapter->mac_addr, 10922343f06aSManish Chopra qlcnic_boards[i].short_name); 1093aa43c215SJeff Kirsher } 1094aa43c215SJeff Kirsher 1095aa43c215SJeff Kirsher static void 1096aa43c215SJeff Kirsher qlcnic_check_options(struct qlcnic_adapter *adapter) 1097aa43c215SJeff Kirsher { 1098a15ebd37SHimanshu Madhani int err; 1099aa43c215SJeff Kirsher u32 fw_major, fw_minor, fw_build, prev_fw_version; 1100aa43c215SJeff Kirsher struct pci_dev *pdev = adapter->pdev; 1101a15ebd37SHimanshu Madhani struct qlcnic_hardware_context *ahw = adapter->ahw; 1102a15ebd37SHimanshu Madhani struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 1103aa43c215SJeff Kirsher 1104aa43c215SJeff Kirsher prev_fw_version = adapter->fw_version; 1105aa43c215SJeff Kirsher 1106a15ebd37SHimanshu Madhani fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); 1107a15ebd37SHimanshu Madhani fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); 1108a15ebd37SHimanshu Madhani fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); 1109aa43c215SJeff Kirsher 1110aa43c215SJeff Kirsher adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); 1111aa43c215SJeff Kirsher 1112a15ebd37SHimanshu Madhani err = qlcnic_get_board_info(adapter); 1113a15ebd37SHimanshu Madhani if (err) { 1114a15ebd37SHimanshu Madhani dev_err(&pdev->dev, "Error getting board config info.\n"); 1115a15ebd37SHimanshu Madhani return; 1116a15ebd37SHimanshu Madhani } 1117a15ebd37SHimanshu Madhani if (ahw->op_mode != QLCNIC_NON_PRIV_FUNC) { 1118aa43c215SJeff Kirsher if (fw_dump->tmpl_hdr == NULL || 1119aa43c215SJeff Kirsher adapter->fw_version > prev_fw_version) { 1120aa43c215SJeff Kirsher if (fw_dump->tmpl_hdr) 1121aa43c215SJeff Kirsher vfree(fw_dump->tmpl_hdr); 1122aa43c215SJeff Kirsher if (!qlcnic_fw_cmd_get_minidump_temp(adapter)) 1123aa43c215SJeff Kirsher dev_info(&pdev->dev, 1124aa43c215SJeff Kirsher "Supports FW dump capability\n"); 1125aa43c215SJeff Kirsher } 1126aa43c215SJeff Kirsher } 1127aa43c215SJeff Kirsher 112813159183SSony Chacko dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d\n", 112913159183SSony Chacko QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); 113013159183SSony Chacko 1131aa43c215SJeff Kirsher if (adapter->ahw->port_type == QLCNIC_XGBE) { 1132aa43c215SJeff Kirsher if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1133aa43c215SJeff Kirsher adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF; 1134aa43c215SJeff Kirsher adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF; 1135aa43c215SJeff Kirsher } else { 1136aa43c215SJeff Kirsher adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G; 1137aa43c215SJeff Kirsher adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; 1138aa43c215SJeff Kirsher } 1139aa43c215SJeff Kirsher 1140aa43c215SJeff Kirsher adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1141aa43c215SJeff Kirsher adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; 1142aa43c215SJeff Kirsher 1143aa43c215SJeff Kirsher } else if (adapter->ahw->port_type == QLCNIC_GBE) { 1144aa43c215SJeff Kirsher adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G; 1145aa43c215SJeff Kirsher adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1146aa43c215SJeff Kirsher adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G; 1147aa43c215SJeff Kirsher adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G; 1148aa43c215SJeff Kirsher } 1149aa43c215SJeff Kirsher 1150099f7aa7SSony Chacko adapter->ahw->msix_supported = !!qlcnic_use_msi_x; 1151aa43c215SJeff Kirsher 1152aa43c215SJeff Kirsher adapter->num_txd = MAX_CMD_DESCRIPTORS; 1153aa43c215SJeff Kirsher 1154aa43c215SJeff Kirsher adapter->max_rds_rings = MAX_RDS_RINGS; 1155aa43c215SJeff Kirsher } 1156aa43c215SJeff Kirsher 1157aa43c215SJeff Kirsher static int 1158aa43c215SJeff Kirsher qlcnic_initialize_nic(struct qlcnic_adapter *adapter) 1159aa43c215SJeff Kirsher { 1160aa43c215SJeff Kirsher struct qlcnic_info nic_info; 11614bd8e738SHimanshu Madhani int err = 0; 1162aa43c215SJeff Kirsher 1163bff57d8eSSony Chacko memset(&nic_info, 0, sizeof(struct qlcnic_info)); 1164aa43c215SJeff Kirsher err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); 1165aa43c215SJeff Kirsher if (err) 1166aa43c215SJeff Kirsher return err; 1167aa43c215SJeff Kirsher 116879788450SSony Chacko adapter->ahw->physical_port = (u8)nic_info.phys_port; 116979788450SSony Chacko adapter->ahw->switch_mode = nic_info.switch_mode; 117079788450SSony Chacko adapter->ahw->max_tx_ques = nic_info.max_tx_ques; 117179788450SSony Chacko adapter->ahw->max_rx_ques = nic_info.max_rx_ques; 117279788450SSony Chacko adapter->ahw->capabilities = nic_info.capabilities; 1173776e7bdeSShahed Shaikh 1174776e7bdeSShahed Shaikh if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { 1175776e7bdeSShahed Shaikh u32 temp; 11764bd8e738SHimanshu Madhani temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); 11774bd8e738SHimanshu Madhani if (err == -EIO) 11784bd8e738SHimanshu Madhani return err; 1179db131786SPratik Pujar adapter->ahw->extra_capability[0] = temp; 1180d6994ca7SShahed Shaikh } else { 1181d6994ca7SShahed Shaikh adapter->ahw->extra_capability[0] = 0; 1182776e7bdeSShahed Shaikh } 1183d6994ca7SShahed Shaikh 118479788450SSony Chacko adapter->ahw->max_mac_filters = nic_info.max_mac_filters; 118579788450SSony Chacko adapter->ahw->max_mtu = nic_info.max_mtu; 1186aa43c215SJeff Kirsher 118734e8c406SHimanshu Madhani if (adapter->ahw->capabilities & BIT_6) { 1188aa43c215SJeff Kirsher adapter->flags |= QLCNIC_ESWITCH_ENABLED; 118934e8c406SHimanshu Madhani adapter->ahw->nic_mode = QLCNIC_VNIC_MODE; 119034e8c406SHimanshu Madhani adapter->max_tx_rings = QLCNIC_MAX_HW_VNIC_TX_RINGS; 119134e8c406SHimanshu Madhani adapter->max_sds_rings = QLCNIC_MAX_VNIC_SDS_RINGS; 119234e8c406SHimanshu Madhani 119334e8c406SHimanshu Madhani dev_info(&adapter->pdev->dev, "vNIC mode enabled.\n"); 119434e8c406SHimanshu Madhani } else { 119534e8c406SHimanshu Madhani adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 119634e8c406SHimanshu Madhani adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS; 1197f9566265SHimanshu Madhani adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS; 1198aa43c215SJeff Kirsher adapter->flags &= ~QLCNIC_ESWITCH_ENABLED; 119934e8c406SHimanshu Madhani } 1200aa43c215SJeff Kirsher 1201aa43c215SJeff Kirsher return err; 1202aa43c215SJeff Kirsher } 1203aa43c215SJeff Kirsher 1204ec079a07SSony Chacko void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter, 1205aa43c215SJeff Kirsher struct qlcnic_esw_func_cfg *esw_cfg) 1206aa43c215SJeff Kirsher { 1207aa43c215SJeff Kirsher if (esw_cfg->discard_tagged) 1208aa43c215SJeff Kirsher adapter->flags &= ~QLCNIC_TAGGING_ENABLED; 1209aa43c215SJeff Kirsher else 1210aa43c215SJeff Kirsher adapter->flags |= QLCNIC_TAGGING_ENABLED; 1211aa43c215SJeff Kirsher 121291b7282bSRajesh Borundia if (esw_cfg->vlan_id) { 121391b7282bSRajesh Borundia adapter->rx_pvid = esw_cfg->vlan_id; 121491b7282bSRajesh Borundia adapter->tx_pvid = esw_cfg->vlan_id; 121591b7282bSRajesh Borundia } else { 121691b7282bSRajesh Borundia adapter->rx_pvid = 0; 121791b7282bSRajesh Borundia adapter->tx_pvid = 0; 121891b7282bSRajesh Borundia } 1219aa43c215SJeff Kirsher } 1220aa43c215SJeff Kirsher 12218e586137SJiri Pirko static int 122280d5c368SPatrick McHardy qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid) 1223aa43c215SJeff Kirsher { 1224aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = netdev_priv(netdev); 122591b7282bSRajesh Borundia int err; 122691b7282bSRajesh Borundia 122791b7282bSRajesh Borundia if (qlcnic_sriov_vf_check(adapter)) { 122891b7282bSRajesh Borundia err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1); 122991b7282bSRajesh Borundia if (err) { 123091b7282bSRajesh Borundia netdev_err(netdev, 123191b7282bSRajesh Borundia "Cannot add VLAN filter for VLAN id %d, err=%d", 123291b7282bSRajesh Borundia vid, err); 123391b7282bSRajesh Borundia return err; 123491b7282bSRajesh Borundia } 123591b7282bSRajesh Borundia } 123691b7282bSRajesh Borundia 1237aa43c215SJeff Kirsher set_bit(vid, adapter->vlans); 12388e586137SJiri Pirko return 0; 1239aa43c215SJeff Kirsher } 1240aa43c215SJeff Kirsher 12418e586137SJiri Pirko static int 124280d5c368SPatrick McHardy qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid) 1243aa43c215SJeff Kirsher { 1244aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = netdev_priv(netdev); 124591b7282bSRajesh Borundia int err; 124691b7282bSRajesh Borundia 124791b7282bSRajesh Borundia if (qlcnic_sriov_vf_check(adapter)) { 124891b7282bSRajesh Borundia err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0); 124991b7282bSRajesh Borundia if (err) { 125091b7282bSRajesh Borundia netdev_err(netdev, 125191b7282bSRajesh Borundia "Cannot delete VLAN filter for VLAN id %d, err=%d", 125291b7282bSRajesh Borundia vid, err); 125391b7282bSRajesh Borundia return err; 125491b7282bSRajesh Borundia } 125591b7282bSRajesh Borundia } 1256aa43c215SJeff Kirsher 1257aa43c215SJeff Kirsher qlcnic_restore_indev_addr(netdev, NETDEV_DOWN); 1258aa43c215SJeff Kirsher clear_bit(vid, adapter->vlans); 12598e586137SJiri Pirko return 0; 1260aa43c215SJeff Kirsher } 1261aa43c215SJeff Kirsher 1262ec079a07SSony Chacko void qlcnic_set_eswitch_port_features(struct qlcnic_adapter *adapter, 1263aa43c215SJeff Kirsher struct qlcnic_esw_func_cfg *esw_cfg) 1264aa43c215SJeff Kirsher { 1265aa43c215SJeff Kirsher adapter->flags &= ~(QLCNIC_MACSPOOF | QLCNIC_MAC_OVERRIDE_DISABLED | 1266aa43c215SJeff Kirsher QLCNIC_PROMISC_DISABLED); 1267aa43c215SJeff Kirsher 1268aa43c215SJeff Kirsher if (esw_cfg->mac_anti_spoof) 1269aa43c215SJeff Kirsher adapter->flags |= QLCNIC_MACSPOOF; 1270aa43c215SJeff Kirsher 1271aa43c215SJeff Kirsher if (!esw_cfg->mac_override) 1272aa43c215SJeff Kirsher adapter->flags |= QLCNIC_MAC_OVERRIDE_DISABLED; 1273aa43c215SJeff Kirsher 1274aa43c215SJeff Kirsher if (!esw_cfg->promisc_mode) 1275aa43c215SJeff Kirsher adapter->flags |= QLCNIC_PROMISC_DISABLED; 1276aa43c215SJeff Kirsher } 1277aa43c215SJeff Kirsher 1278d71170fbSSony Chacko int qlcnic_set_eswitch_port_config(struct qlcnic_adapter *adapter) 1279aa43c215SJeff Kirsher { 1280aa43c215SJeff Kirsher struct qlcnic_esw_func_cfg esw_cfg; 1281aa43c215SJeff Kirsher 1282aa43c215SJeff Kirsher if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) 1283aa43c215SJeff Kirsher return 0; 1284aa43c215SJeff Kirsher 1285aa43c215SJeff Kirsher esw_cfg.pci_func = adapter->ahw->pci_func; 1286aa43c215SJeff Kirsher if (qlcnic_get_eswitch_port_config(adapter, &esw_cfg)) 1287aa43c215SJeff Kirsher return -EIO; 1288aa43c215SJeff Kirsher qlcnic_set_vlan_config(adapter, &esw_cfg); 1289aa43c215SJeff Kirsher qlcnic_set_eswitch_port_features(adapter, &esw_cfg); 1290147a9088SShahed Shaikh qlcnic_set_netdev_features(adapter, &esw_cfg); 1291aa43c215SJeff Kirsher 1292aa43c215SJeff Kirsher return 0; 1293aa43c215SJeff Kirsher } 1294aa43c215SJeff Kirsher 1295147a9088SShahed Shaikh void qlcnic_set_netdev_features(struct qlcnic_adapter *adapter, 1296aa43c215SJeff Kirsher struct qlcnic_esw_func_cfg *esw_cfg) 1297aa43c215SJeff Kirsher { 1298aa43c215SJeff Kirsher struct net_device *netdev = adapter->netdev; 1299aa43c215SJeff Kirsher 130013159183SSony Chacko if (qlcnic_83xx_check(adapter)) 130113159183SSony Chacko return; 130213159183SSony Chacko 1303147a9088SShahed Shaikh adapter->offload_flags = esw_cfg->offload_flags; 1304147a9088SShahed Shaikh adapter->flags |= QLCNIC_APP_CHANGED_FLAGS; 1305147a9088SShahed Shaikh netdev_update_features(netdev); 1306147a9088SShahed Shaikh adapter->flags &= ~QLCNIC_APP_CHANGED_FLAGS; 1307aa43c215SJeff Kirsher } 1308aa43c215SJeff Kirsher 1309aa43c215SJeff Kirsher static int 1310aa43c215SJeff Kirsher qlcnic_check_eswitch_mode(struct qlcnic_adapter *adapter) 1311aa43c215SJeff Kirsher { 1312aa43c215SJeff Kirsher u32 op_mode, priv_level; 1313aa43c215SJeff Kirsher int err = 0; 1314aa43c215SJeff Kirsher 1315aa43c215SJeff Kirsher err = qlcnic_initialize_nic(adapter); 1316aa43c215SJeff Kirsher if (err) 1317aa43c215SJeff Kirsher return err; 1318aa43c215SJeff Kirsher 1319aa43c215SJeff Kirsher if (adapter->flags & QLCNIC_ADAPTER_INITIALIZED) 1320aa43c215SJeff Kirsher return 0; 1321aa43c215SJeff Kirsher 132213159183SSony Chacko op_mode = QLC_SHARED_REG_RD32(adapter, QLCNIC_DRV_OP_MODE); 1323aa43c215SJeff Kirsher priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1324aa43c215SJeff Kirsher 1325aa43c215SJeff Kirsher if (op_mode == QLC_DEV_DRV_DEFAULT) 1326aa43c215SJeff Kirsher priv_level = QLCNIC_MGMT_FUNC; 1327aa43c215SJeff Kirsher else 1328aa43c215SJeff Kirsher priv_level = QLC_DEV_GET_DRV(op_mode, adapter->ahw->pci_func); 1329aa43c215SJeff Kirsher 1330aa43c215SJeff Kirsher if (adapter->flags & QLCNIC_ESWITCH_ENABLED) { 1331aa43c215SJeff Kirsher if (priv_level == QLCNIC_MGMT_FUNC) { 133279788450SSony Chacko adapter->ahw->op_mode = QLCNIC_MGMT_FUNC; 1333aa43c215SJeff Kirsher err = qlcnic_init_pci_info(adapter); 1334aa43c215SJeff Kirsher if (err) 1335aa43c215SJeff Kirsher return err; 1336aa43c215SJeff Kirsher /* Set privilege level for other functions */ 1337aa43c215SJeff Kirsher qlcnic_set_function_modes(adapter); 1338aa43c215SJeff Kirsher dev_info(&adapter->pdev->dev, 1339aa43c215SJeff Kirsher "HAL Version: %d, Management function\n", 134079788450SSony Chacko adapter->ahw->fw_hal_version); 1341aa43c215SJeff Kirsher } else if (priv_level == QLCNIC_PRIV_FUNC) { 134279788450SSony Chacko adapter->ahw->op_mode = QLCNIC_PRIV_FUNC; 1343aa43c215SJeff Kirsher dev_info(&adapter->pdev->dev, 1344aa43c215SJeff Kirsher "HAL Version: %d, Privileged function\n", 134579788450SSony Chacko adapter->ahw->fw_hal_version); 1346aa43c215SJeff Kirsher } 134734e8c406SHimanshu Madhani } else { 134834e8c406SHimanshu Madhani adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE; 1349aa43c215SJeff Kirsher } 1350aa43c215SJeff Kirsher 1351aa43c215SJeff Kirsher adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; 1352aa43c215SJeff Kirsher 1353aa43c215SJeff Kirsher return err; 1354aa43c215SJeff Kirsher } 1355aa43c215SJeff Kirsher 1356d71170fbSSony Chacko int qlcnic_set_default_offload_settings(struct qlcnic_adapter *adapter) 1357aa43c215SJeff Kirsher { 1358aa43c215SJeff Kirsher struct qlcnic_esw_func_cfg esw_cfg; 1359aa43c215SJeff Kirsher struct qlcnic_npar_info *npar; 1360aa43c215SJeff Kirsher u8 i; 1361aa43c215SJeff Kirsher 1362aa43c215SJeff Kirsher if (adapter->need_fw_reset) 1363aa43c215SJeff Kirsher return 0; 1364aa43c215SJeff Kirsher 13652f514c52SJitendra Kalsaria for (i = 0; i < adapter->ahw->total_nic_func; i++) { 136635dafcb0SSony Chacko if (!adapter->npars[i].eswitch_status) 136735dafcb0SSony Chacko continue; 136835dafcb0SSony Chacko 1369aa43c215SJeff Kirsher memset(&esw_cfg, 0, sizeof(struct qlcnic_esw_func_cfg)); 1370bff57d8eSSony Chacko esw_cfg.pci_func = adapter->npars[i].pci_func; 1371aa43c215SJeff Kirsher esw_cfg.mac_override = BIT_0; 1372aa43c215SJeff Kirsher esw_cfg.promisc_mode = BIT_0; 1373bff57d8eSSony Chacko if (qlcnic_82xx_check(adapter)) { 1374bff57d8eSSony Chacko esw_cfg.offload_flags = BIT_0; 1375bff57d8eSSony Chacko if (QLCNIC_IS_TSO_CAPABLE(adapter)) 1376aa43c215SJeff Kirsher esw_cfg.offload_flags |= (BIT_1 | BIT_2); 1377bff57d8eSSony Chacko } 1378aa43c215SJeff Kirsher if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1379aa43c215SJeff Kirsher return -EIO; 1380aa43c215SJeff Kirsher npar = &adapter->npars[i]; 1381aa43c215SJeff Kirsher npar->pvid = esw_cfg.vlan_id; 1382aa43c215SJeff Kirsher npar->mac_override = esw_cfg.mac_override; 1383aa43c215SJeff Kirsher npar->mac_anti_spoof = esw_cfg.mac_anti_spoof; 1384aa43c215SJeff Kirsher npar->discard_tagged = esw_cfg.discard_tagged; 1385aa43c215SJeff Kirsher npar->promisc_mode = esw_cfg.promisc_mode; 1386aa43c215SJeff Kirsher npar->offload_flags = esw_cfg.offload_flags; 1387aa43c215SJeff Kirsher } 1388aa43c215SJeff Kirsher 1389aa43c215SJeff Kirsher return 0; 1390aa43c215SJeff Kirsher } 1391aa43c215SJeff Kirsher 139213159183SSony Chacko 1393aa43c215SJeff Kirsher static int 1394aa43c215SJeff Kirsher qlcnic_reset_eswitch_config(struct qlcnic_adapter *adapter, 1395aa43c215SJeff Kirsher struct qlcnic_npar_info *npar, int pci_func) 1396aa43c215SJeff Kirsher { 1397aa43c215SJeff Kirsher struct qlcnic_esw_func_cfg esw_cfg; 1398aa43c215SJeff Kirsher esw_cfg.op_mode = QLCNIC_PORT_DEFAULTS; 1399aa43c215SJeff Kirsher esw_cfg.pci_func = pci_func; 1400aa43c215SJeff Kirsher esw_cfg.vlan_id = npar->pvid; 1401aa43c215SJeff Kirsher esw_cfg.mac_override = npar->mac_override; 1402aa43c215SJeff Kirsher esw_cfg.discard_tagged = npar->discard_tagged; 1403aa43c215SJeff Kirsher esw_cfg.mac_anti_spoof = npar->mac_anti_spoof; 1404aa43c215SJeff Kirsher esw_cfg.offload_flags = npar->offload_flags; 1405aa43c215SJeff Kirsher esw_cfg.promisc_mode = npar->promisc_mode; 1406aa43c215SJeff Kirsher if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1407aa43c215SJeff Kirsher return -EIO; 1408aa43c215SJeff Kirsher 1409aa43c215SJeff Kirsher esw_cfg.op_mode = QLCNIC_ADD_VLAN; 1410aa43c215SJeff Kirsher if (qlcnic_config_switch_port(adapter, &esw_cfg)) 1411aa43c215SJeff Kirsher return -EIO; 1412aa43c215SJeff Kirsher 1413aa43c215SJeff Kirsher return 0; 1414aa43c215SJeff Kirsher } 1415aa43c215SJeff Kirsher 1416d71170fbSSony Chacko int qlcnic_reset_npar_config(struct qlcnic_adapter *adapter) 1417aa43c215SJeff Kirsher { 1418aa43c215SJeff Kirsher int i, err; 1419aa43c215SJeff Kirsher struct qlcnic_npar_info *npar; 1420aa43c215SJeff Kirsher struct qlcnic_info nic_info; 1421bff57d8eSSony Chacko u8 pci_func; 1422aa43c215SJeff Kirsher 1423bff57d8eSSony Chacko if (qlcnic_82xx_check(adapter)) 1424aa43c215SJeff Kirsher if (!adapter->need_fw_reset) 1425aa43c215SJeff Kirsher return 0; 1426aa43c215SJeff Kirsher 1427aa43c215SJeff Kirsher /* Set the NPAR config data after FW reset */ 14282f514c52SJitendra Kalsaria for (i = 0; i < adapter->ahw->total_nic_func; i++) { 1429aa43c215SJeff Kirsher npar = &adapter->npars[i]; 1430bff57d8eSSony Chacko pci_func = npar->pci_func; 143135dafcb0SSony Chacko if (!adapter->npars[i].eswitch_status) 143235dafcb0SSony Chacko continue; 143335dafcb0SSony Chacko 1434bff57d8eSSony Chacko memset(&nic_info, 0, sizeof(struct qlcnic_info)); 143513159183SSony Chacko err = qlcnic_get_nic_info(adapter, &nic_info, pci_func); 1436aa43c215SJeff Kirsher if (err) 1437aa43c215SJeff Kirsher return err; 1438aa43c215SJeff Kirsher nic_info.min_tx_bw = npar->min_bw; 1439aa43c215SJeff Kirsher nic_info.max_tx_bw = npar->max_bw; 1440aa43c215SJeff Kirsher err = qlcnic_set_nic_info(adapter, &nic_info); 1441aa43c215SJeff Kirsher if (err) 1442aa43c215SJeff Kirsher return err; 1443aa43c215SJeff Kirsher 1444aa43c215SJeff Kirsher if (npar->enable_pm) { 1445aa43c215SJeff Kirsher err = qlcnic_config_port_mirroring(adapter, 1446bff57d8eSSony Chacko npar->dest_npar, 1, 1447bff57d8eSSony Chacko pci_func); 1448aa43c215SJeff Kirsher if (err) 1449aa43c215SJeff Kirsher return err; 1450aa43c215SJeff Kirsher } 1451bff57d8eSSony Chacko err = qlcnic_reset_eswitch_config(adapter, npar, pci_func); 1452aa43c215SJeff Kirsher if (err) 1453aa43c215SJeff Kirsher return err; 1454aa43c215SJeff Kirsher } 1455aa43c215SJeff Kirsher return 0; 1456aa43c215SJeff Kirsher } 1457aa43c215SJeff Kirsher 1458aa43c215SJeff Kirsher static int qlcnic_check_npar_opertional(struct qlcnic_adapter *adapter) 1459aa43c215SJeff Kirsher { 1460aa43c215SJeff Kirsher u8 npar_opt_timeo = QLCNIC_DEV_NPAR_OPER_TIMEO; 1461aa43c215SJeff Kirsher u32 npar_state; 1462aa43c215SJeff Kirsher 146379788450SSony Chacko if (adapter->ahw->op_mode == QLCNIC_MGMT_FUNC) 1464aa43c215SJeff Kirsher return 0; 1465aa43c215SJeff Kirsher 1466a15ebd37SHimanshu Madhani npar_state = QLC_SHARED_REG_RD32(adapter, 1467a15ebd37SHimanshu Madhani QLCNIC_CRB_DEV_NPAR_STATE); 1468aa43c215SJeff Kirsher while (npar_state != QLCNIC_DEV_NPAR_OPER && --npar_opt_timeo) { 1469aa43c215SJeff Kirsher msleep(1000); 1470a15ebd37SHimanshu Madhani npar_state = QLC_SHARED_REG_RD32(adapter, 1471a15ebd37SHimanshu Madhani QLCNIC_CRB_DEV_NPAR_STATE); 1472aa43c215SJeff Kirsher } 1473aa43c215SJeff Kirsher if (!npar_opt_timeo) { 1474aa43c215SJeff Kirsher dev_err(&adapter->pdev->dev, 14758a168ca7SMasanari Iida "Waiting for NPAR state to operational timeout\n"); 1476aa43c215SJeff Kirsher return -EIO; 1477aa43c215SJeff Kirsher } 1478aa43c215SJeff Kirsher return 0; 1479aa43c215SJeff Kirsher } 1480aa43c215SJeff Kirsher 1481aa43c215SJeff Kirsher static int 1482aa43c215SJeff Kirsher qlcnic_set_mgmt_operations(struct qlcnic_adapter *adapter) 1483aa43c215SJeff Kirsher { 1484aa43c215SJeff Kirsher int err; 1485aa43c215SJeff Kirsher 1486aa43c215SJeff Kirsher if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED) || 148779788450SSony Chacko adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) 1488aa43c215SJeff Kirsher return 0; 1489aa43c215SJeff Kirsher 1490aa43c215SJeff Kirsher err = qlcnic_set_default_offload_settings(adapter); 1491aa43c215SJeff Kirsher if (err) 1492aa43c215SJeff Kirsher return err; 1493aa43c215SJeff Kirsher 1494aa43c215SJeff Kirsher err = qlcnic_reset_npar_config(adapter); 1495aa43c215SJeff Kirsher if (err) 1496aa43c215SJeff Kirsher return err; 1497aa43c215SJeff Kirsher 1498aa43c215SJeff Kirsher qlcnic_dev_set_npar_ready(adapter); 1499aa43c215SJeff Kirsher 1500aa43c215SJeff Kirsher return err; 1501aa43c215SJeff Kirsher } 1502aa43c215SJeff Kirsher 150321041400Sstephen hemminger static int qlcnic_82xx_start_firmware(struct qlcnic_adapter *adapter) 1504aa43c215SJeff Kirsher { 1505aa43c215SJeff Kirsher int err; 1506aa43c215SJeff Kirsher 1507aa43c215SJeff Kirsher err = qlcnic_can_start_firmware(adapter); 1508aa43c215SJeff Kirsher if (err < 0) 1509aa43c215SJeff Kirsher return err; 1510aa43c215SJeff Kirsher else if (!err) 1511aa43c215SJeff Kirsher goto check_fw_status; 1512aa43c215SJeff Kirsher 1513099f7aa7SSony Chacko if (qlcnic_load_fw_file) 1514aa43c215SJeff Kirsher qlcnic_request_firmware(adapter); 1515aa43c215SJeff Kirsher else { 1516aa43c215SJeff Kirsher err = qlcnic_check_flash_fw_ver(adapter); 1517aa43c215SJeff Kirsher if (err) 1518aa43c215SJeff Kirsher goto err_out; 1519aa43c215SJeff Kirsher 152079788450SSony Chacko adapter->ahw->fw_type = QLCNIC_FLASH_ROMIMAGE; 1521aa43c215SJeff Kirsher } 1522aa43c215SJeff Kirsher 1523aa43c215SJeff Kirsher err = qlcnic_need_fw_reset(adapter); 1524aa43c215SJeff Kirsher if (err == 0) 1525aa43c215SJeff Kirsher goto check_fw_status; 1526aa43c215SJeff Kirsher 1527aa43c215SJeff Kirsher err = qlcnic_pinit_from_rom(adapter); 1528aa43c215SJeff Kirsher if (err) 1529aa43c215SJeff Kirsher goto err_out; 1530aa43c215SJeff Kirsher 1531aa43c215SJeff Kirsher err = qlcnic_load_firmware(adapter); 1532aa43c215SJeff Kirsher if (err) 1533aa43c215SJeff Kirsher goto err_out; 1534aa43c215SJeff Kirsher 1535aa43c215SJeff Kirsher qlcnic_release_firmware(adapter); 1536aa43c215SJeff Kirsher QLCWR32(adapter, CRB_DRIVER_VERSION, QLCNIC_DRIVER_VERSION); 1537aa43c215SJeff Kirsher 1538aa43c215SJeff Kirsher check_fw_status: 1539aa43c215SJeff Kirsher err = qlcnic_check_fw_status(adapter); 1540aa43c215SJeff Kirsher if (err) 1541aa43c215SJeff Kirsher goto err_out; 1542aa43c215SJeff Kirsher 1543a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); 1544aa43c215SJeff Kirsher qlcnic_idc_debug_info(adapter, 1); 1545aa43c215SJeff Kirsher err = qlcnic_check_eswitch_mode(adapter); 1546aa43c215SJeff Kirsher if (err) { 1547aa43c215SJeff Kirsher dev_err(&adapter->pdev->dev, 1548aa43c215SJeff Kirsher "Memory allocation failed for eswitch\n"); 1549aa43c215SJeff Kirsher goto err_out; 1550aa43c215SJeff Kirsher } 1551aa43c215SJeff Kirsher err = qlcnic_set_mgmt_operations(adapter); 1552aa43c215SJeff Kirsher if (err) 1553aa43c215SJeff Kirsher goto err_out; 1554aa43c215SJeff Kirsher 1555aa43c215SJeff Kirsher qlcnic_check_options(adapter); 1556aa43c215SJeff Kirsher adapter->need_fw_reset = 0; 1557aa43c215SJeff Kirsher 1558aa43c215SJeff Kirsher qlcnic_release_firmware(adapter); 1559aa43c215SJeff Kirsher return 0; 1560aa43c215SJeff Kirsher 1561aa43c215SJeff Kirsher err_out: 1562a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_FAILED); 1563aa43c215SJeff Kirsher dev_err(&adapter->pdev->dev, "Device state set to failed\n"); 1564aa43c215SJeff Kirsher 1565aa43c215SJeff Kirsher qlcnic_release_firmware(adapter); 1566aa43c215SJeff Kirsher return err; 1567aa43c215SJeff Kirsher } 1568aa43c215SJeff Kirsher 1569aa43c215SJeff Kirsher static int 1570aa43c215SJeff Kirsher qlcnic_request_irq(struct qlcnic_adapter *adapter) 1571aa43c215SJeff Kirsher { 1572aa43c215SJeff Kirsher irq_handler_t handler; 1573aa43c215SJeff Kirsher struct qlcnic_host_sds_ring *sds_ring; 157413159183SSony Chacko struct qlcnic_host_tx_ring *tx_ring; 1575ddb2e174SHimanshu Madhani int err, ring, num_sds_rings; 1576aa43c215SJeff Kirsher 1577aa43c215SJeff Kirsher unsigned long flags = 0; 1578aa43c215SJeff Kirsher struct net_device *netdev = adapter->netdev; 1579aa43c215SJeff Kirsher struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1580aa43c215SJeff Kirsher 158179788450SSony Chacko if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 158213159183SSony Chacko if (qlcnic_82xx_check(adapter)) 1583aa43c215SJeff Kirsher handler = qlcnic_tmp_intr; 1584c2534384SManish Chopra else 1585c2534384SManish Chopra handler = qlcnic_83xx_tmp_intr; 1586aa43c215SJeff Kirsher if (!QLCNIC_IS_MSI_FAMILY(adapter)) 1587aa43c215SJeff Kirsher flags |= IRQF_SHARED; 1588aa43c215SJeff Kirsher 1589aa43c215SJeff Kirsher } else { 1590aa43c215SJeff Kirsher if (adapter->flags & QLCNIC_MSIX_ENABLED) 1591aa43c215SJeff Kirsher handler = qlcnic_msix_intr; 1592aa43c215SJeff Kirsher else if (adapter->flags & QLCNIC_MSI_ENABLED) 1593aa43c215SJeff Kirsher handler = qlcnic_msi_intr; 1594aa43c215SJeff Kirsher else { 1595aa43c215SJeff Kirsher flags |= IRQF_SHARED; 1596ac166700SHimanshu Madhani if (qlcnic_82xx_check(adapter)) 1597aa43c215SJeff Kirsher handler = qlcnic_intr; 1598ac166700SHimanshu Madhani else 1599ac166700SHimanshu Madhani handler = qlcnic_83xx_intr; 1600aa43c215SJeff Kirsher } 1601aa43c215SJeff Kirsher } 1602aa43c215SJeff Kirsher adapter->irq = netdev->irq; 1603aa43c215SJeff Kirsher 160413159183SSony Chacko if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1605ac166700SHimanshu Madhani if (qlcnic_82xx_check(adapter) || 1606ac166700SHimanshu Madhani (qlcnic_83xx_check(adapter) && 1607ac166700SHimanshu Madhani (adapter->flags & QLCNIC_MSIX_ENABLED))) { 160834e8c406SHimanshu Madhani num_sds_rings = adapter->drv_sds_rings; 1609ddb2e174SHimanshu Madhani for (ring = 0; ring < num_sds_rings; ring++) { 1610aa43c215SJeff Kirsher sds_ring = &recv_ctx->sds_rings[ring]; 1611ddb2e174SHimanshu Madhani if (qlcnic_82xx_check(adapter) && 1612012ec812SHimanshu Madhani !qlcnic_check_multi_tx(adapter) && 1613aa2a8034SHimanshu Madhani (ring == (num_sds_rings - 1))) { 1614aa2a8034SHimanshu Madhani if (!(adapter->flags & 1615aa2a8034SHimanshu Madhani QLCNIC_MSIX_ENABLED)) 1616ddb2e174SHimanshu Madhani snprintf(sds_ring->name, 1617ddb2e174SHimanshu Madhani sizeof(sds_ring->name), 1618aa2a8034SHimanshu Madhani "qlcnic"); 1619ddb2e174SHimanshu Madhani else 1620ddb2e174SHimanshu Madhani snprintf(sds_ring->name, 1621ddb2e174SHimanshu Madhani sizeof(sds_ring->name), 1622aa2a8034SHimanshu Madhani "%s-tx-0-rx-%d", 1623ddb2e174SHimanshu Madhani netdev->name, ring); 1624aa2a8034SHimanshu Madhani } else { 1625aa2a8034SHimanshu Madhani snprintf(sds_ring->name, 1626aa2a8034SHimanshu Madhani sizeof(sds_ring->name), 1627aa2a8034SHimanshu Madhani "%s-rx-%d", 1628aa2a8034SHimanshu Madhani netdev->name, ring); 1629aa2a8034SHimanshu Madhani } 163013159183SSony Chacko err = request_irq(sds_ring->irq, handler, flags, 163113159183SSony Chacko sds_ring->name, sds_ring); 1632aa43c215SJeff Kirsher if (err) 1633aa43c215SJeff Kirsher return err; 1634aa43c215SJeff Kirsher } 1635ac166700SHimanshu Madhani } 1636012ec812SHimanshu Madhani if ((qlcnic_82xx_check(adapter) && 1637012ec812SHimanshu Madhani qlcnic_check_multi_tx(adapter)) || 1638012ec812SHimanshu Madhani (qlcnic_83xx_check(adapter) && 1639da6c8063SRajesh Borundia (adapter->flags & QLCNIC_MSIX_ENABLED) && 1640012ec812SHimanshu Madhani !(adapter->flags & QLCNIC_TX_INTR_SHARED))) { 164113159183SSony Chacko handler = qlcnic_msix_tx_intr; 164234e8c406SHimanshu Madhani for (ring = 0; ring < adapter->drv_tx_rings; 164313159183SSony Chacko ring++) { 164413159183SSony Chacko tx_ring = &adapter->tx_ring[ring]; 1645ddb2e174SHimanshu Madhani snprintf(tx_ring->name, sizeof(tx_ring->name), 1646aa2a8034SHimanshu Madhani "%s-tx-%d", netdev->name, ring); 164713159183SSony Chacko err = request_irq(tx_ring->irq, handler, flags, 164813159183SSony Chacko tx_ring->name, tx_ring); 164913159183SSony Chacko if (err) 165013159183SSony Chacko return err; 165113159183SSony Chacko } 165213159183SSony Chacko } 165313159183SSony Chacko } 1654aa43c215SJeff Kirsher return 0; 1655aa43c215SJeff Kirsher } 1656aa43c215SJeff Kirsher 1657aa43c215SJeff Kirsher static void 1658aa43c215SJeff Kirsher qlcnic_free_irq(struct qlcnic_adapter *adapter) 1659aa43c215SJeff Kirsher { 1660aa43c215SJeff Kirsher int ring; 1661aa43c215SJeff Kirsher struct qlcnic_host_sds_ring *sds_ring; 166213159183SSony Chacko struct qlcnic_host_tx_ring *tx_ring; 1663aa43c215SJeff Kirsher 1664aa43c215SJeff Kirsher struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; 1665aa43c215SJeff Kirsher 166613159183SSony Chacko if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) { 1667ac166700SHimanshu Madhani if (qlcnic_82xx_check(adapter) || 1668ac166700SHimanshu Madhani (qlcnic_83xx_check(adapter) && 1669ac166700SHimanshu Madhani (adapter->flags & QLCNIC_MSIX_ENABLED))) { 167034e8c406SHimanshu Madhani for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 1671aa43c215SJeff Kirsher sds_ring = &recv_ctx->sds_rings[ring]; 1672aa43c215SJeff Kirsher free_irq(sds_ring->irq, sds_ring); 1673aa43c215SJeff Kirsher } 1674ac166700SHimanshu Madhani } 1675012ec812SHimanshu Madhani if ((qlcnic_83xx_check(adapter) && 1676012ec812SHimanshu Madhani !(adapter->flags & QLCNIC_TX_INTR_SHARED)) || 1677012ec812SHimanshu Madhani (qlcnic_82xx_check(adapter) && 1678012ec812SHimanshu Madhani qlcnic_check_multi_tx(adapter))) { 167934e8c406SHimanshu Madhani for (ring = 0; ring < adapter->drv_tx_rings; 168013159183SSony Chacko ring++) { 168113159183SSony Chacko tx_ring = &adapter->tx_ring[ring]; 168213159183SSony Chacko if (tx_ring->irq) 168313159183SSony Chacko free_irq(tx_ring->irq, tx_ring); 168413159183SSony Chacko } 168513159183SSony Chacko } 168613159183SSony Chacko } 1687aa43c215SJeff Kirsher } 1688aa43c215SJeff Kirsher 168999e85879SShahed Shaikh static void qlcnic_get_lro_mss_capability(struct qlcnic_adapter *adapter) 169099e85879SShahed Shaikh { 169199e85879SShahed Shaikh u32 capab = 0; 169299e85879SShahed Shaikh 169399e85879SShahed Shaikh if (qlcnic_82xx_check(adapter)) { 1694db131786SPratik Pujar if (adapter->ahw->extra_capability[0] & 169599e85879SShahed Shaikh QLCNIC_FW_CAPABILITY_2_LRO_MAX_TCP_SEG) 169699e85879SShahed Shaikh adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 169799e85879SShahed Shaikh } else { 169899e85879SShahed Shaikh capab = adapter->ahw->capabilities; 169999e85879SShahed Shaikh if (QLC_83XX_GET_FW_LRO_MSS_CAPABILITY(capab)) 170099e85879SShahed Shaikh adapter->flags |= QLCNIC_FW_LRO_MSS_CAP; 170199e85879SShahed Shaikh } 170299e85879SShahed Shaikh } 170399e85879SShahed Shaikh 1704319ecf12SSony Chacko int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1705aa43c215SJeff Kirsher { 1706aa43c215SJeff Kirsher int ring; 1707aa43c215SJeff Kirsher struct qlcnic_host_rds_ring *rds_ring; 1708aa43c215SJeff Kirsher 1709aa43c215SJeff Kirsher if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1710aa43c215SJeff Kirsher return -EIO; 1711aa43c215SJeff Kirsher 1712aa43c215SJeff Kirsher if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 1713aa43c215SJeff Kirsher return 0; 1714012ec812SHimanshu Madhani 1715aa43c215SJeff Kirsher if (qlcnic_set_eswitch_port_config(adapter)) 1716aa43c215SJeff Kirsher return -EIO; 1717012ec812SHimanshu Madhani 171899e85879SShahed Shaikh qlcnic_get_lro_mss_capability(adapter); 1719cae82d49SRajesh Borundia 1720aa43c215SJeff Kirsher if (qlcnic_fw_create_ctx(adapter)) 1721aa43c215SJeff Kirsher return -EIO; 1722aa43c215SJeff Kirsher 1723aa43c215SJeff Kirsher for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1724aa43c215SJeff Kirsher rds_ring = &adapter->recv_ctx->rds_rings[ring]; 17254be41e92SSony Chacko qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1726aa43c215SJeff Kirsher } 1727aa43c215SJeff Kirsher 1728aa43c215SJeff Kirsher qlcnic_set_multi(netdev); 1729aa43c215SJeff Kirsher qlcnic_fw_cmd_set_mtu(adapter, netdev->mtu); 1730aa43c215SJeff Kirsher 1731aa43c215SJeff Kirsher adapter->ahw->linkup = 0; 1732aa43c215SJeff Kirsher 173334e8c406SHimanshu Madhani if (adapter->drv_sds_rings > 1) 1734aa43c215SJeff Kirsher qlcnic_config_rss(adapter, 1); 1735aa43c215SJeff Kirsher 1736aa43c215SJeff Kirsher qlcnic_config_intr_coalesce(adapter); 1737aa43c215SJeff Kirsher 1738aa43c215SJeff Kirsher if (netdev->features & NETIF_F_LRO) 1739aa43c215SJeff Kirsher qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); 1740aa43c215SJeff Kirsher 1741cfacb172SPratik Pujar set_bit(__QLCNIC_DEV_UP, &adapter->state); 1742aa43c215SJeff Kirsher qlcnic_napi_enable(adapter); 1743aa43c215SJeff Kirsher 1744aa43c215SJeff Kirsher qlcnic_linkevent_request(adapter, 1); 1745aa43c215SJeff Kirsher 174679788450SSony Chacko adapter->ahw->reset_context = 0; 1747aa43c215SJeff Kirsher return 0; 1748aa43c215SJeff Kirsher } 1749aa43c215SJeff Kirsher 1750629263acSSony Chacko int qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) 1751aa43c215SJeff Kirsher { 1752aa43c215SJeff Kirsher int err = 0; 1753aa43c215SJeff Kirsher 1754aa43c215SJeff Kirsher rtnl_lock(); 1755aa43c215SJeff Kirsher if (netif_running(netdev)) 1756aa43c215SJeff Kirsher err = __qlcnic_up(adapter, netdev); 1757aa43c215SJeff Kirsher rtnl_unlock(); 1758aa43c215SJeff Kirsher 1759aa43c215SJeff Kirsher return err; 1760aa43c215SJeff Kirsher } 1761aa43c215SJeff Kirsher 1762319ecf12SSony Chacko void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1763aa43c215SJeff Kirsher { 1764012ec812SHimanshu Madhani int ring; 1765012ec812SHimanshu Madhani 1766aa43c215SJeff Kirsher if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1767aa43c215SJeff Kirsher return; 1768aa43c215SJeff Kirsher 1769aa43c215SJeff Kirsher if (!test_and_clear_bit(__QLCNIC_DEV_UP, &adapter->state)) 1770aa43c215SJeff Kirsher return; 1771aa43c215SJeff Kirsher 1772e8b508efSRajesh Borundia if (qlcnic_sriov_vf_check(adapter)) 1773e8b508efSRajesh Borundia qlcnic_sriov_cleanup_async_list(&adapter->ahw->sriov->bc); 1774aa43c215SJeff Kirsher smp_mb(); 1775aa43c215SJeff Kirsher netif_carrier_off(netdev); 17760a46bac0SShahed Shaikh adapter->ahw->linkup = 0; 1777aa43c215SJeff Kirsher netif_tx_disable(netdev); 1778aa43c215SJeff Kirsher 1779aa43c215SJeff Kirsher qlcnic_free_mac_list(adapter); 1780aa43c215SJeff Kirsher 1781aa43c215SJeff Kirsher if (adapter->fhash.fnum) 1782aa43c215SJeff Kirsher qlcnic_delete_lb_filters(adapter); 1783aa43c215SJeff Kirsher 1784aa43c215SJeff Kirsher qlcnic_nic_set_promisc(adapter, QLCNIC_NIU_NON_PROMISC_MODE); 1785aa43c215SJeff Kirsher 1786aa43c215SJeff Kirsher qlcnic_napi_disable(adapter); 1787aa43c215SJeff Kirsher 1788aa43c215SJeff Kirsher qlcnic_fw_destroy_ctx(adapter); 1789cae82d49SRajesh Borundia adapter->flags &= ~QLCNIC_FW_LRO_MSS_CAP; 1790aa43c215SJeff Kirsher 1791aa43c215SJeff Kirsher qlcnic_reset_rx_buffers_list(adapter); 1792012ec812SHimanshu Madhani 179334e8c406SHimanshu Madhani for (ring = 0; ring < adapter->drv_tx_rings; ring++) 1794012ec812SHimanshu Madhani qlcnic_release_tx_buffers(adapter, &adapter->tx_ring[ring]); 1795aa43c215SJeff Kirsher } 1796aa43c215SJeff Kirsher 1797aa43c215SJeff Kirsher /* Usage: During suspend and firmware recovery module */ 1798aa43c215SJeff Kirsher 1799629263acSSony Chacko void qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev) 1800aa43c215SJeff Kirsher { 1801aa43c215SJeff Kirsher rtnl_lock(); 1802aa43c215SJeff Kirsher if (netif_running(netdev)) 1803aa43c215SJeff Kirsher __qlcnic_down(adapter, netdev); 1804aa43c215SJeff Kirsher rtnl_unlock(); 1805aa43c215SJeff Kirsher 1806aa43c215SJeff Kirsher } 1807aa43c215SJeff Kirsher 1808319ecf12SSony Chacko int 1809aa43c215SJeff Kirsher qlcnic_attach(struct qlcnic_adapter *adapter) 1810aa43c215SJeff Kirsher { 1811aa43c215SJeff Kirsher struct net_device *netdev = adapter->netdev; 1812aa43c215SJeff Kirsher struct pci_dev *pdev = adapter->pdev; 1813aa43c215SJeff Kirsher int err; 1814aa43c215SJeff Kirsher 1815aa43c215SJeff Kirsher if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) 1816aa43c215SJeff Kirsher return 0; 1817aa43c215SJeff Kirsher 1818aa43c215SJeff Kirsher err = qlcnic_napi_add(adapter, netdev); 1819aa43c215SJeff Kirsher if (err) 1820aa43c215SJeff Kirsher return err; 1821aa43c215SJeff Kirsher 1822aa43c215SJeff Kirsher err = qlcnic_alloc_sw_resources(adapter); 1823aa43c215SJeff Kirsher if (err) { 1824aa43c215SJeff Kirsher dev_err(&pdev->dev, "Error in setting sw resources\n"); 1825aa43c215SJeff Kirsher goto err_out_napi_del; 1826aa43c215SJeff Kirsher } 1827aa43c215SJeff Kirsher 1828aa43c215SJeff Kirsher err = qlcnic_alloc_hw_resources(adapter); 1829aa43c215SJeff Kirsher if (err) { 1830aa43c215SJeff Kirsher dev_err(&pdev->dev, "Error in setting hw resources\n"); 1831aa43c215SJeff Kirsher goto err_out_free_sw; 1832aa43c215SJeff Kirsher } 1833aa43c215SJeff Kirsher 1834aa43c215SJeff Kirsher err = qlcnic_request_irq(adapter); 1835aa43c215SJeff Kirsher if (err) { 1836aa43c215SJeff Kirsher dev_err(&pdev->dev, "failed to setup interrupt\n"); 1837aa43c215SJeff Kirsher goto err_out_free_hw; 1838aa43c215SJeff Kirsher } 1839aa43c215SJeff Kirsher 1840aa43c215SJeff Kirsher qlcnic_create_sysfs_entries(adapter); 1841aa43c215SJeff Kirsher 1842aa43c215SJeff Kirsher adapter->is_up = QLCNIC_ADAPTER_UP_MAGIC; 1843aa43c215SJeff Kirsher return 0; 1844aa43c215SJeff Kirsher 1845aa43c215SJeff Kirsher err_out_free_hw: 1846aa43c215SJeff Kirsher qlcnic_free_hw_resources(adapter); 1847aa43c215SJeff Kirsher err_out_free_sw: 1848aa43c215SJeff Kirsher qlcnic_free_sw_resources(adapter); 1849aa43c215SJeff Kirsher err_out_napi_del: 1850aa43c215SJeff Kirsher qlcnic_napi_del(adapter); 1851aa43c215SJeff Kirsher return err; 1852aa43c215SJeff Kirsher } 1853aa43c215SJeff Kirsher 1854319ecf12SSony Chacko void qlcnic_detach(struct qlcnic_adapter *adapter) 1855aa43c215SJeff Kirsher { 1856aa43c215SJeff Kirsher if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) 1857aa43c215SJeff Kirsher return; 1858aa43c215SJeff Kirsher 1859aa43c215SJeff Kirsher qlcnic_remove_sysfs_entries(adapter); 1860aa43c215SJeff Kirsher 1861aa43c215SJeff Kirsher qlcnic_free_hw_resources(adapter); 1862aa43c215SJeff Kirsher qlcnic_release_rx_buffers(adapter); 1863aa43c215SJeff Kirsher qlcnic_free_irq(adapter); 1864aa43c215SJeff Kirsher qlcnic_napi_del(adapter); 1865aa43c215SJeff Kirsher qlcnic_free_sw_resources(adapter); 1866aa43c215SJeff Kirsher 1867aa43c215SJeff Kirsher adapter->is_up = 0; 1868aa43c215SJeff Kirsher } 1869aa43c215SJeff Kirsher 187034e8c406SHimanshu Madhani void qlcnic_diag_free_res(struct net_device *netdev, int drv_sds_rings) 1871aa43c215SJeff Kirsher { 1872aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = netdev_priv(netdev); 1873aa43c215SJeff Kirsher struct qlcnic_host_sds_ring *sds_ring; 187434e8c406SHimanshu Madhani int drv_tx_rings = adapter->drv_tx_rings; 1875aa43c215SJeff Kirsher int ring; 1876aa43c215SJeff Kirsher 1877aa43c215SJeff Kirsher clear_bit(__QLCNIC_DEV_UP, &adapter->state); 187879788450SSony Chacko if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 187934e8c406SHimanshu Madhani for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 1880aa43c215SJeff Kirsher sds_ring = &adapter->recv_ctx->sds_rings[ring]; 18812cc5752eSManish chopra qlcnic_disable_sds_intr(adapter, sds_ring); 1882aa43c215SJeff Kirsher } 1883aa43c215SJeff Kirsher } 1884aa43c215SJeff Kirsher 1885aa43c215SJeff Kirsher qlcnic_fw_destroy_ctx(adapter); 1886aa43c215SJeff Kirsher 1887aa43c215SJeff Kirsher qlcnic_detach(adapter); 1888aa43c215SJeff Kirsher 188979788450SSony Chacko adapter->ahw->diag_test = 0; 189034e8c406SHimanshu Madhani adapter->drv_sds_rings = drv_sds_rings; 189134e8c406SHimanshu Madhani adapter->drv_tx_rings = drv_tx_rings; 1892aa43c215SJeff Kirsher 1893aa43c215SJeff Kirsher if (qlcnic_attach(adapter)) 1894aa43c215SJeff Kirsher goto out; 1895aa43c215SJeff Kirsher 1896aa43c215SJeff Kirsher if (netif_running(netdev)) 1897aa43c215SJeff Kirsher __qlcnic_up(adapter, netdev); 1898aa43c215SJeff Kirsher out: 1899aa43c215SJeff Kirsher netif_device_attach(netdev); 1900aa43c215SJeff Kirsher } 1901aa43c215SJeff Kirsher 1902aa43c215SJeff Kirsher static int qlcnic_alloc_adapter_resources(struct qlcnic_adapter *adapter) 1903aa43c215SJeff Kirsher { 1904be273dc1SHimanshu Madhani struct qlcnic_hardware_context *ahw = adapter->ahw; 1905aa43c215SJeff Kirsher int err = 0; 1906be273dc1SHimanshu Madhani 1907aa43c215SJeff Kirsher adapter->recv_ctx = kzalloc(sizeof(struct qlcnic_recv_context), 1908aa43c215SJeff Kirsher GFP_KERNEL); 1909aa43c215SJeff Kirsher if (!adapter->recv_ctx) { 1910aa43c215SJeff Kirsher err = -ENOMEM; 1911aa43c215SJeff Kirsher goto err_out; 1912aa43c215SJeff Kirsher } 1913aa43c215SJeff Kirsher /* Initialize interrupt coalesce parameters */ 1914be273dc1SHimanshu Madhani ahw->coal.flag = QLCNIC_INTR_DEFAULT; 1915be273dc1SHimanshu Madhani ahw->coal.type = QLCNIC_INTR_COAL_TYPE_RX; 1916be273dc1SHimanshu Madhani ahw->coal.rx_time_us = QLCNIC_DEF_INTR_COALESCE_RX_TIME_US; 1917be273dc1SHimanshu Madhani ahw->coal.rx_packets = QLCNIC_DEF_INTR_COALESCE_RX_PACKETS; 1918be273dc1SHimanshu Madhani if (qlcnic_83xx_check(adapter)) { 1919be273dc1SHimanshu Madhani ahw->coal.tx_time_us = QLCNIC_DEF_INTR_COALESCE_TX_TIME_US; 1920be273dc1SHimanshu Madhani ahw->coal.tx_packets = QLCNIC_DEF_INTR_COALESCE_TX_PACKETS; 1921be273dc1SHimanshu Madhani } 19224be41e92SSony Chacko /* clear stats */ 19234be41e92SSony Chacko memset(&adapter->stats, 0, sizeof(adapter->stats)); 1924aa43c215SJeff Kirsher err_out: 1925aa43c215SJeff Kirsher return err; 1926aa43c215SJeff Kirsher } 1927aa43c215SJeff Kirsher 1928aa43c215SJeff Kirsher static void qlcnic_free_adapter_resources(struct qlcnic_adapter *adapter) 1929aa43c215SJeff Kirsher { 1930aa43c215SJeff Kirsher kfree(adapter->recv_ctx); 1931aa43c215SJeff Kirsher adapter->recv_ctx = NULL; 1932aa43c215SJeff Kirsher 1933aa43c215SJeff Kirsher if (adapter->ahw->fw_dump.tmpl_hdr) { 1934aa43c215SJeff Kirsher vfree(adapter->ahw->fw_dump.tmpl_hdr); 1935aa43c215SJeff Kirsher adapter->ahw->fw_dump.tmpl_hdr = NULL; 1936aa43c215SJeff Kirsher } 19374be41e92SSony Chacko 193881d0aeb0SSony Chacko kfree(adapter->ahw->reset.buff); 19394be41e92SSony Chacko adapter->ahw->fw_dump.tmpl_hdr = NULL; 1940aa43c215SJeff Kirsher } 1941aa43c215SJeff Kirsher 1942aa43c215SJeff Kirsher int qlcnic_diag_alloc_res(struct net_device *netdev, int test) 1943aa43c215SJeff Kirsher { 1944aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = netdev_priv(netdev); 1945aa43c215SJeff Kirsher struct qlcnic_host_sds_ring *sds_ring; 1946aa43c215SJeff Kirsher struct qlcnic_host_rds_ring *rds_ring; 1947aa43c215SJeff Kirsher int ring; 1948aa43c215SJeff Kirsher int ret; 1949aa43c215SJeff Kirsher 1950aa43c215SJeff Kirsher netif_device_detach(netdev); 1951aa43c215SJeff Kirsher 1952aa43c215SJeff Kirsher if (netif_running(netdev)) 1953aa43c215SJeff Kirsher __qlcnic_down(adapter, netdev); 1954aa43c215SJeff Kirsher 1955aa43c215SJeff Kirsher qlcnic_detach(adapter); 1956aa43c215SJeff Kirsher 195734e8c406SHimanshu Madhani adapter->drv_sds_rings = QLCNIC_SINGLE_RING; 195879788450SSony Chacko adapter->ahw->diag_test = test; 19594be41e92SSony Chacko adapter->ahw->linkup = 0; 1960aa43c215SJeff Kirsher 1961aa43c215SJeff Kirsher ret = qlcnic_attach(adapter); 1962aa43c215SJeff Kirsher if (ret) { 1963aa43c215SJeff Kirsher netif_device_attach(netdev); 1964aa43c215SJeff Kirsher return ret; 1965aa43c215SJeff Kirsher } 1966aa43c215SJeff Kirsher 1967aa43c215SJeff Kirsher ret = qlcnic_fw_create_ctx(adapter); 1968aa43c215SJeff Kirsher if (ret) { 1969aa43c215SJeff Kirsher qlcnic_detach(adapter); 1970aa43c215SJeff Kirsher netif_device_attach(netdev); 1971aa43c215SJeff Kirsher return ret; 1972aa43c215SJeff Kirsher } 1973aa43c215SJeff Kirsher 1974aa43c215SJeff Kirsher for (ring = 0; ring < adapter->max_rds_rings; ring++) { 1975aa43c215SJeff Kirsher rds_ring = &adapter->recv_ctx->rds_rings[ring]; 19764be41e92SSony Chacko qlcnic_post_rx_buffers(adapter, rds_ring, ring); 1977aa43c215SJeff Kirsher } 1978aa43c215SJeff Kirsher 197979788450SSony Chacko if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { 198034e8c406SHimanshu Madhani for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 1981aa43c215SJeff Kirsher sds_ring = &adapter->recv_ctx->sds_rings[ring]; 19822cc5752eSManish chopra qlcnic_enable_sds_intr(adapter, sds_ring); 1983aa43c215SJeff Kirsher } 1984aa43c215SJeff Kirsher } 1985aa43c215SJeff Kirsher 198679788450SSony Chacko if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { 1987aa43c215SJeff Kirsher adapter->ahw->loopback_state = 0; 1988aa43c215SJeff Kirsher qlcnic_linkevent_request(adapter, 1); 1989aa43c215SJeff Kirsher } 1990aa43c215SJeff Kirsher 1991aa43c215SJeff Kirsher set_bit(__QLCNIC_DEV_UP, &adapter->state); 1992aa43c215SJeff Kirsher 1993aa43c215SJeff Kirsher return 0; 1994aa43c215SJeff Kirsher } 1995aa43c215SJeff Kirsher 1996aa43c215SJeff Kirsher /* Reset context in hardware only */ 1997aa43c215SJeff Kirsher static int 1998aa43c215SJeff Kirsher qlcnic_reset_hw_context(struct qlcnic_adapter *adapter) 1999aa43c215SJeff Kirsher { 2000aa43c215SJeff Kirsher struct net_device *netdev = adapter->netdev; 2001aa43c215SJeff Kirsher 2002aa43c215SJeff Kirsher if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2003aa43c215SJeff Kirsher return -EBUSY; 2004aa43c215SJeff Kirsher 2005aa43c215SJeff Kirsher netif_device_detach(netdev); 2006aa43c215SJeff Kirsher 2007aa43c215SJeff Kirsher qlcnic_down(adapter, netdev); 2008aa43c215SJeff Kirsher 2009aa43c215SJeff Kirsher qlcnic_up(adapter, netdev); 2010aa43c215SJeff Kirsher 2011aa43c215SJeff Kirsher netif_device_attach(netdev); 2012aa43c215SJeff Kirsher 2013aa43c215SJeff Kirsher clear_bit(__QLCNIC_RESETTING, &adapter->state); 201495b3890aSHimanshu Madhani netdev_info(adapter->netdev, "%s: soft reset complete\n", __func__); 2015aa43c215SJeff Kirsher return 0; 2016aa43c215SJeff Kirsher } 2017aa43c215SJeff Kirsher 2018aa43c215SJeff Kirsher int 2019aa43c215SJeff Kirsher qlcnic_reset_context(struct qlcnic_adapter *adapter) 2020aa43c215SJeff Kirsher { 2021aa43c215SJeff Kirsher int err = 0; 2022aa43c215SJeff Kirsher struct net_device *netdev = adapter->netdev; 2023aa43c215SJeff Kirsher 2024aa43c215SJeff Kirsher if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) 2025aa43c215SJeff Kirsher return -EBUSY; 2026aa43c215SJeff Kirsher 2027aa43c215SJeff Kirsher if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) { 2028aa43c215SJeff Kirsher 2029aa43c215SJeff Kirsher netif_device_detach(netdev); 2030aa43c215SJeff Kirsher 2031aa43c215SJeff Kirsher if (netif_running(netdev)) 2032aa43c215SJeff Kirsher __qlcnic_down(adapter, netdev); 2033aa43c215SJeff Kirsher 2034aa43c215SJeff Kirsher qlcnic_detach(adapter); 2035aa43c215SJeff Kirsher 2036aa43c215SJeff Kirsher if (netif_running(netdev)) { 2037aa43c215SJeff Kirsher err = qlcnic_attach(adapter); 20381d5c88e3SAnirban Chakraborty if (!err) { 2039aa43c215SJeff Kirsher __qlcnic_up(adapter, netdev); 20401d5c88e3SAnirban Chakraborty qlcnic_restore_indev_addr(netdev, NETDEV_UP); 20411d5c88e3SAnirban Chakraborty } 2042aa43c215SJeff Kirsher } 2043aa43c215SJeff Kirsher 2044aa43c215SJeff Kirsher netif_device_attach(netdev); 2045aa43c215SJeff Kirsher } 2046aa43c215SJeff Kirsher 2047aa43c215SJeff Kirsher clear_bit(__QLCNIC_RESETTING, &adapter->state); 2048aa43c215SJeff Kirsher return err; 2049aa43c215SJeff Kirsher } 2050aa43c215SJeff Kirsher 205121041400Sstephen hemminger static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter) 205252e493d0SJitendra Kalsaria { 205352e493d0SJitendra Kalsaria struct qlcnic_hardware_context *ahw = adapter->ahw; 20542f514c52SJitendra Kalsaria u16 act_pci_fn = ahw->total_nic_func; 205552e493d0SJitendra Kalsaria u16 count; 205652e493d0SJitendra Kalsaria 205752e493d0SJitendra Kalsaria ahw->max_mc_count = QLCNIC_MAX_MC_COUNT; 205852e493d0SJitendra Kalsaria if (act_pci_fn <= 2) 205952e493d0SJitendra Kalsaria count = (QLCNIC_MAX_UC_COUNT - QLCNIC_MAX_MC_COUNT) / 206052e493d0SJitendra Kalsaria act_pci_fn; 206152e493d0SJitendra Kalsaria else 206252e493d0SJitendra Kalsaria count = (QLCNIC_LB_MAX_FILTERS - QLCNIC_MAX_MC_COUNT) / 206352e493d0SJitendra Kalsaria act_pci_fn; 206452e493d0SJitendra Kalsaria ahw->max_uc_count = count; 206552e493d0SJitendra Kalsaria } 206652e493d0SJitendra Kalsaria 2067f8468331SRajesh Borundia int 20685ad6ff9dSSony Chacko qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, 20695ad6ff9dSSony Chacko int pci_using_dac) 2070aa43c215SJeff Kirsher { 2071aa43c215SJeff Kirsher int err; 2072aa43c215SJeff Kirsher struct pci_dev *pdev = adapter->pdev; 2073aa43c215SJeff Kirsher 207413159183SSony Chacko adapter->rx_csum = 1; 207579788450SSony Chacko adapter->ahw->mc_enabled = 0; 207652e493d0SJitendra Kalsaria qlcnic_set_mac_filter_count(adapter); 2077aa43c215SJeff Kirsher 2078aa43c215SJeff Kirsher netdev->netdev_ops = &qlcnic_netdev_ops; 207913159183SSony Chacko netdev->watchdog_timeo = QLCNIC_WATCHDOG_TIMEOUTVALUE * HZ; 2080aa43c215SJeff Kirsher 2081aa43c215SJeff Kirsher qlcnic_change_mtu(netdev, netdev->mtu); 2082aa43c215SJeff Kirsher 2083d1a1105eSRajesh Borundia if (qlcnic_sriov_vf_check(adapter)) 2084d1a1105eSRajesh Borundia SET_ETHTOOL_OPS(netdev, &qlcnic_sriov_vf_ethtool_ops); 2085d1a1105eSRajesh Borundia else 2086aa43c215SJeff Kirsher SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_ops); 2087aa43c215SJeff Kirsher 20887e38d04bSSony Chacko netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | 208913159183SSony Chacko NETIF_F_IPV6_CSUM | NETIF_F_GRO | 2090f646968fSPatrick McHardy NETIF_F_HW_VLAN_CTAG_RX); 209113159183SSony Chacko netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | 209213159183SSony Chacko NETIF_F_IPV6_CSUM); 2093aa43c215SJeff Kirsher 209413159183SSony Chacko if (QLCNIC_IS_TSO_CAPABLE(adapter)) { 209513159183SSony Chacko netdev->features |= (NETIF_F_TSO | NETIF_F_TSO6); 209613159183SSony Chacko netdev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6); 209713159183SSony Chacko } 2098aa43c215SJeff Kirsher 209913159183SSony Chacko if (pci_using_dac) { 210013159183SSony Chacko netdev->features |= NETIF_F_HIGHDMA; 210113159183SSony Chacko netdev->vlan_features |= NETIF_F_HIGHDMA; 210213159183SSony Chacko } 2103aa43c215SJeff Kirsher 210413159183SSony Chacko if (qlcnic_vlan_tx_check(adapter)) 2105f646968fSPatrick McHardy netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); 210613159183SSony Chacko 210791b7282bSRajesh Borundia if (qlcnic_sriov_vf_check(adapter)) 210891b7282bSRajesh Borundia netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; 210991b7282bSRajesh Borundia 211079788450SSony Chacko if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) 211113159183SSony Chacko netdev->features |= NETIF_F_LRO; 2112aa43c215SJeff Kirsher 21137e38d04bSSony Chacko netdev->hw_features = netdev->features; 211452e493d0SJitendra Kalsaria netdev->priv_flags |= IFF_UNICAST_FLT; 2115aa43c215SJeff Kirsher netdev->irq = adapter->msix_entries[0].vector; 2116aa43c215SJeff Kirsher 2117012ec812SHimanshu Madhani err = qlcnic_set_real_num_queues(adapter, netdev); 2118012ec812SHimanshu Madhani if (err) 2119012ec812SHimanshu Madhani return err; 2120012ec812SHimanshu Madhani 2121aa43c215SJeff Kirsher err = register_netdev(netdev); 2122aa43c215SJeff Kirsher if (err) { 2123aa43c215SJeff Kirsher dev_err(&pdev->dev, "failed to register net device\n"); 2124aa43c215SJeff Kirsher return err; 2125aa43c215SJeff Kirsher } 2126aa43c215SJeff Kirsher 21271de899d3SSucheta Chakraborty qlcnic_dcb_init_dcbnl_ops(adapter->dcb); 212848365e48SSucheta Chakraborty 2129aa43c215SJeff Kirsher return 0; 2130aa43c215SJeff Kirsher } 2131aa43c215SJeff Kirsher 21325ad6ff9dSSony Chacko static int qlcnic_set_dma_mask(struct pci_dev *pdev, int *pci_using_dac) 2133aa43c215SJeff Kirsher { 2134aa43c215SJeff Kirsher if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && 2135aa43c215SJeff Kirsher !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) 2136aa43c215SJeff Kirsher *pci_using_dac = 1; 2137aa43c215SJeff Kirsher else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && 2138aa43c215SJeff Kirsher !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 2139aa43c215SJeff Kirsher *pci_using_dac = 0; 2140aa43c215SJeff Kirsher else { 2141aa43c215SJeff Kirsher dev_err(&pdev->dev, "Unable to set DMA mask, aborting\n"); 2142aa43c215SJeff Kirsher return -EIO; 2143aa43c215SJeff Kirsher } 2144aa43c215SJeff Kirsher 2145aa43c215SJeff Kirsher return 0; 2146aa43c215SJeff Kirsher } 2147aa43c215SJeff Kirsher 21484be41e92SSony Chacko void qlcnic_free_tx_rings(struct qlcnic_adapter *adapter) 21494be41e92SSony Chacko { 21504be41e92SSony Chacko int ring; 21514be41e92SSony Chacko struct qlcnic_host_tx_ring *tx_ring; 21524be41e92SSony Chacko 215334e8c406SHimanshu Madhani for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 21544be41e92SSony Chacko tx_ring = &adapter->tx_ring[ring]; 21554be41e92SSony Chacko if (tx_ring && tx_ring->cmd_buf_arr != NULL) { 21564be41e92SSony Chacko vfree(tx_ring->cmd_buf_arr); 21574be41e92SSony Chacko tx_ring->cmd_buf_arr = NULL; 21584be41e92SSony Chacko } 21594be41e92SSony Chacko } 21604be41e92SSony Chacko if (adapter->tx_ring != NULL) 21614be41e92SSony Chacko kfree(adapter->tx_ring); 21624be41e92SSony Chacko } 21634be41e92SSony Chacko 21644be41e92SSony Chacko int qlcnic_alloc_tx_rings(struct qlcnic_adapter *adapter, 21654be41e92SSony Chacko struct net_device *netdev) 21664be41e92SSony Chacko { 2167b2adaca9SJoe Perches int ring, vector, index; 21684be41e92SSony Chacko struct qlcnic_host_tx_ring *tx_ring; 21694be41e92SSony Chacko struct qlcnic_cmd_buffer *cmd_buf_arr; 21704be41e92SSony Chacko 217134e8c406SHimanshu Madhani tx_ring = kcalloc(adapter->drv_tx_rings, 2172b2adaca9SJoe Perches sizeof(struct qlcnic_host_tx_ring), GFP_KERNEL); 2173b2adaca9SJoe Perches if (tx_ring == NULL) 21744be41e92SSony Chacko return -ENOMEM; 2175b2adaca9SJoe Perches 21764be41e92SSony Chacko adapter->tx_ring = tx_ring; 21774be41e92SSony Chacko 217834e8c406SHimanshu Madhani for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 21794be41e92SSony Chacko tx_ring = &adapter->tx_ring[ring]; 21804be41e92SSony Chacko tx_ring->num_desc = adapter->num_txd; 21814be41e92SSony Chacko tx_ring->txq = netdev_get_tx_queue(netdev, ring); 21824be41e92SSony Chacko cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring)); 21834be41e92SSony Chacko if (cmd_buf_arr == NULL) { 21844be41e92SSony Chacko qlcnic_free_tx_rings(adapter); 21854be41e92SSony Chacko return -ENOMEM; 21864be41e92SSony Chacko } 21874be41e92SSony Chacko memset(cmd_buf_arr, 0, TX_BUFF_RINGSIZE(tx_ring)); 21884be41e92SSony Chacko tx_ring->cmd_buf_arr = cmd_buf_arr; 2189a02bdd42SShahed Shaikh spin_lock_init(&tx_ring->tx_clean_lock); 21904be41e92SSony Chacko } 21914be41e92SSony Chacko 2192012ec812SHimanshu Madhani if (qlcnic_83xx_check(adapter) || 2193012ec812SHimanshu Madhani (qlcnic_82xx_check(adapter) && qlcnic_check_multi_tx(adapter))) { 219434e8c406SHimanshu Madhani for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 21954be41e92SSony Chacko tx_ring = &adapter->tx_ring[ring]; 21964be41e92SSony Chacko tx_ring->adapter = adapter; 21974be41e92SSony Chacko if (adapter->flags & QLCNIC_MSIX_ENABLED) { 219834e8c406SHimanshu Madhani index = adapter->drv_sds_rings + ring; 21994be41e92SSony Chacko vector = adapter->msix_entries[index].vector; 22004be41e92SSony Chacko tx_ring->irq = vector; 22014be41e92SSony Chacko } 22024be41e92SSony Chacko } 22034be41e92SSony Chacko } 2204012ec812SHimanshu Madhani 22054be41e92SSony Chacko return 0; 22064be41e92SSony Chacko } 22074be41e92SSony Chacko 22088af3f33dSPratik Pujar void qlcnic_set_drv_version(struct qlcnic_adapter *adapter) 22098af3f33dSPratik Pujar { 22108af3f33dSPratik Pujar struct qlcnic_hardware_context *ahw = adapter->ahw; 22118af3f33dSPratik Pujar u32 fw_cmd = 0; 22128af3f33dSPratik Pujar 22138af3f33dSPratik Pujar if (qlcnic_82xx_check(adapter)) 22148af3f33dSPratik Pujar fw_cmd = QLCNIC_CMD_82XX_SET_DRV_VER; 22158af3f33dSPratik Pujar else if (qlcnic_83xx_check(adapter)) 22168af3f33dSPratik Pujar fw_cmd = QLCNIC_CMD_83XX_SET_DRV_VER; 22178af3f33dSPratik Pujar 2218d6994ca7SShahed Shaikh if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_SET_DRV_VER) 22198af3f33dSPratik Pujar qlcnic_fw_cmd_set_drv_version(adapter, fw_cmd); 22208af3f33dSPratik Pujar } 22218af3f33dSPratik Pujar 22226bb58bb0SBill Pemberton static int 2223aa43c215SJeff Kirsher qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 2224aa43c215SJeff Kirsher { 2225aa43c215SJeff Kirsher struct net_device *netdev = NULL; 2226aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = NULL; 22277e2cf4feSSony Chacko struct qlcnic_hardware_context *ahw; 22285ad6ff9dSSony Chacko int err, pci_using_dac = -1; 22297bc48646SDan Carpenter char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ 2230aa43c215SJeff Kirsher 2231f8468331SRajesh Borundia if (pdev->is_virtfn) 2232f8468331SRajesh Borundia return -ENODEV; 2233f8468331SRajesh Borundia 2234aa43c215SJeff Kirsher err = pci_enable_device(pdev); 2235aa43c215SJeff Kirsher if (err) 2236aa43c215SJeff Kirsher return err; 2237aa43c215SJeff Kirsher 2238aa43c215SJeff Kirsher if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 2239aa43c215SJeff Kirsher err = -ENODEV; 2240aa43c215SJeff Kirsher goto err_out_disable_pdev; 2241aa43c215SJeff Kirsher } 2242aa43c215SJeff Kirsher 2243aa43c215SJeff Kirsher err = qlcnic_set_dma_mask(pdev, &pci_using_dac); 2244aa43c215SJeff Kirsher if (err) 2245aa43c215SJeff Kirsher goto err_out_disable_pdev; 2246aa43c215SJeff Kirsher 2247aa43c215SJeff Kirsher err = pci_request_regions(pdev, qlcnic_driver_name); 2248aa43c215SJeff Kirsher if (err) 2249aa43c215SJeff Kirsher goto err_out_disable_pdev; 2250aa43c215SJeff Kirsher 2251aa43c215SJeff Kirsher pci_set_master(pdev); 2252aa43c215SJeff Kirsher pci_enable_pcie_error_reporting(pdev); 2253aa43c215SJeff Kirsher 22547e2cf4feSSony Chacko ahw = kzalloc(sizeof(struct qlcnic_hardware_context), GFP_KERNEL); 225502135582SSony Chacko if (!ahw) { 225602135582SSony Chacko err = -ENOMEM; 22577e2cf4feSSony Chacko goto err_out_free_res; 225802135582SSony Chacko } 22597e2cf4feSSony Chacko 2260f8468331SRajesh Borundia switch (ent->device) { 2261f8468331SRajesh Borundia case PCI_DEVICE_ID_QLOGIC_QLE824X: 22627e2cf4feSSony Chacko ahw->hw_ops = &qlcnic_hw_ops; 22637e2cf4feSSony Chacko ahw->reg_tbl = (u32 *) qlcnic_reg_tbl; 2264f8468331SRajesh Borundia break; 2265f8468331SRajesh Borundia case PCI_DEVICE_ID_QLOGIC_QLE834X: 226615ca140fSManish Chopra case PCI_DEVICE_ID_QLOGIC_QLE844X: 226713159183SSony Chacko qlcnic_83xx_register_map(ahw); 2268f8468331SRajesh Borundia break; 2269f8468331SRajesh Borundia case PCI_DEVICE_ID_QLOGIC_VF_QLE834X: 227015ca140fSManish Chopra case PCI_DEVICE_ID_QLOGIC_VF_QLE844X: 2271f8468331SRajesh Borundia qlcnic_sriov_vf_register_map(ahw); 2272f8468331SRajesh Borundia break; 2273f8468331SRajesh Borundia default: 227413159183SSony Chacko goto err_out_free_hw_res; 22757e2cf4feSSony Chacko } 22767e2cf4feSSony Chacko 22777e2cf4feSSony Chacko err = qlcnic_setup_pci_map(pdev, ahw); 22787e2cf4feSSony Chacko if (err) 22797e2cf4feSSony Chacko goto err_out_free_hw_res; 22807e2cf4feSSony Chacko 2281012ec812SHimanshu Madhani netdev = alloc_etherdev_mq(sizeof(struct qlcnic_adapter), 2282012ec812SHimanshu Madhani QLCNIC_MAX_TX_RINGS); 2283aa43c215SJeff Kirsher if (!netdev) { 2284aa43c215SJeff Kirsher err = -ENOMEM; 22857e2cf4feSSony Chacko goto err_out_iounmap; 2286aa43c215SJeff Kirsher } 2287aa43c215SJeff Kirsher 2288aa43c215SJeff Kirsher SET_NETDEV_DEV(netdev, &pdev->dev); 2289aa43c215SJeff Kirsher 2290aa43c215SJeff Kirsher adapter = netdev_priv(netdev); 2291aa43c215SJeff Kirsher adapter->netdev = netdev; 2292aa43c215SJeff Kirsher adapter->pdev = pdev; 229313159183SSony Chacko adapter->ahw = ahw; 229413159183SSony Chacko 229513159183SSony Chacko adapter->qlcnic_wq = create_singlethread_workqueue("qlcnic"); 229613159183SSony Chacko if (adapter->qlcnic_wq == NULL) { 229702135582SSony Chacko err = -ENOMEM; 229813159183SSony Chacko dev_err(&pdev->dev, "Failed to create workqueue\n"); 229913159183SSony Chacko goto err_out_free_netdev; 230013159183SSony Chacko } 2301aa43c215SJeff Kirsher 23022dfc9671SPeter Senna Tschudin err = qlcnic_alloc_adapter_resources(adapter); 23032dfc9671SPeter Senna Tschudin if (err) 23042b1f18a4SWei Yongjun goto err_out_free_wq; 2305aa43c215SJeff Kirsher 2306aa43c215SJeff Kirsher adapter->dev_rst_time = jiffies; 23072f514c52SJitendra Kalsaria ahw->revision_id = pdev->revision; 23082f514c52SJitendra Kalsaria ahw->max_vnic_func = qlcnic_get_vnic_func_count(adapter); 2309fe1adc6bSJitendra Kalsaria if (qlcnic_mac_learn == FDB_MAC_LEARN) 2310fe1adc6bSJitendra Kalsaria adapter->fdb_mac_learn = true; 2311fe1adc6bSJitendra Kalsaria else if (qlcnic_mac_learn == DRV_MAC_LEARN) 2312fe1adc6bSJitendra Kalsaria adapter->drv_mac_learn = true; 2313aa43c215SJeff Kirsher 2314aa43c215SJeff Kirsher rwlock_init(&adapter->ahw->crb_lock); 2315aa43c215SJeff Kirsher mutex_init(&adapter->ahw->mem_lock); 2316aa43c215SJeff Kirsher 2317aa43c215SJeff Kirsher INIT_LIST_HEAD(&adapter->mac_list); 2318aa43c215SJeff Kirsher 231914d385b9SSucheta Chakraborty qlcnic_register_dcb(adapter); 232014d385b9SSucheta Chakraborty 23217e2cf4feSSony Chacko if (qlcnic_82xx_check(adapter)) { 232213159183SSony Chacko qlcnic_check_vf(adapter, ent); 2323aa43c215SJeff Kirsher adapter->portnum = adapter->ahw->pci_func; 23247e2cf4feSSony Chacko err = qlcnic_start_firmware(adapter); 2325aa43c215SJeff Kirsher if (err) { 232666451615SSucheta Chakraborty dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n" 232766451615SSucheta Chakraborty "\t\tIf reboot doesn't help, try flashing the card\n"); 232866451615SSucheta Chakraborty goto err_out_maintenance_mode; 2329aa43c215SJeff Kirsher } 2330aa43c215SJeff Kirsher 233134e8c406SHimanshu Madhani /* compute and set default and max tx/sds rings */ 233234e8c406SHimanshu Madhani if (adapter->ahw->msix_supported) { 233334e8c406SHimanshu Madhani if (qlcnic_check_multi_tx_capability(adapter) == 1) 233434e8c406SHimanshu Madhani qlcnic_set_tx_ring_count(adapter, 233534e8c406SHimanshu Madhani QLCNIC_SINGLE_RING); 233634e8c406SHimanshu Madhani else 233734e8c406SHimanshu Madhani qlcnic_set_tx_ring_count(adapter, 233834e8c406SHimanshu Madhani QLCNIC_DEF_TX_RINGS); 233934e8c406SHimanshu Madhani qlcnic_set_sds_ring_count(adapter, 234034e8c406SHimanshu Madhani QLCNIC_DEF_SDS_RINGS); 234134e8c406SHimanshu Madhani } else { 234234e8c406SHimanshu Madhani qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); 234334e8c406SHimanshu Madhani qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); 2344012ec812SHimanshu Madhani } 2345012ec812SHimanshu Madhani 2346aa43c215SJeff Kirsher err = qlcnic_setup_idc_param(adapter); 2347aa43c215SJeff Kirsher if (err) 23487e2cf4feSSony Chacko goto err_out_free_hw; 2349aa43c215SJeff Kirsher 2350aa43c215SJeff Kirsher adapter->flags |= QLCNIC_NEED_FLR; 235114d385b9SSucheta Chakraborty 235213159183SSony Chacko } else if (qlcnic_83xx_check(adapter)) { 235313159183SSony Chacko qlcnic_83xx_check_vf(adapter, ent); 235413159183SSony Chacko adapter->portnum = adapter->ahw->pci_func; 2355f8468331SRajesh Borundia err = qlcnic_83xx_init(adapter, pci_using_dac); 2356629263acSSony Chacko if (err) { 235778ea2d97SSucheta Chakraborty switch (err) { 235878ea2d97SSucheta Chakraborty case -ENOTRECOVERABLE: 235978ea2d97SSucheta Chakraborty dev_err(&pdev->dev, "Adapter initialization failed due to a faulty hardware. Please reboot\n"); 236078ea2d97SSucheta Chakraborty dev_err(&pdev->dev, "If reboot doesn't help, please replace the adapter with new one and return the faulty adapter for repair\n"); 2361629263acSSony Chacko goto err_out_free_hw; 236278ea2d97SSucheta Chakraborty case -ENOMEM: 236378ea2d97SSucheta Chakraborty dev_err(&pdev->dev, "Adapter initialization failed. Please reboot\n"); 236478ea2d97SSucheta Chakraborty goto err_out_free_hw; 236578ea2d97SSucheta Chakraborty default: 236678ea2d97SSucheta Chakraborty dev_err(&pdev->dev, "Adapter initialization failed. A reboot may be required to recover from this failure\n"); 236778ea2d97SSucheta Chakraborty dev_err(&pdev->dev, "If reboot does not help to recover from this failure, try a flash update of the adapter\n"); 236878ea2d97SSucheta Chakraborty goto err_out_maintenance_mode; 2369629263acSSony Chacko } 237078ea2d97SSucheta Chakraborty } 237178ea2d97SSucheta Chakraborty 2372f8468331SRajesh Borundia if (qlcnic_sriov_vf_check(adapter)) 2373f8468331SRajesh Borundia return 0; 237413159183SSony Chacko } else { 237513159183SSony Chacko dev_err(&pdev->dev, 237613159183SSony Chacko "%s: failed. Please Reboot\n", __func__); 237713159183SSony Chacko goto err_out_free_hw; 2378aa43c215SJeff Kirsher } 2379aa43c215SJeff Kirsher 23803c44bba1SSucheta Chakraborty qlcnic_dcb_enable(adapter->dcb); 23813c44bba1SSucheta Chakraborty 2382aa43c215SJeff Kirsher if (qlcnic_read_mac_addr(adapter)) 2383aa43c215SJeff Kirsher dev_warn(&pdev->dev, "failed to read mac addr\n"); 2384aa43c215SJeff Kirsher 238507a251c8SShahed Shaikh qlcnic_read_phys_port_id(adapter); 238607a251c8SShahed Shaikh 2387aa43c215SJeff Kirsher if (adapter->portnum == 0) { 238822999798SSony Chacko qlcnic_get_board_name(adapter, board_name); 238913159183SSony Chacko 2390aa43c215SJeff Kirsher pr_info("%s: %s Board Chip rev 0x%x\n", 2391aa43c215SJeff Kirsher module_name(THIS_MODULE), 239222999798SSony Chacko board_name, adapter->ahw->revision_id); 2393aa43c215SJeff Kirsher } 2394460374f7SHimanshu Madhani 2395460374f7SHimanshu Madhani if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && 2396460374f7SHimanshu Madhani !!qlcnic_use_msi) 2397460374f7SHimanshu Madhani dev_warn(&pdev->dev, 239801b91f4cSPratik Pujar "Device does not support MSI interrupts\n"); 2399460374f7SHimanshu Madhani 2400068a8d19SManish Chopra if (qlcnic_82xx_check(adapter)) { 240134e8c406SHimanshu Madhani err = qlcnic_setup_intr(adapter); 24029a97e705SManish chopra if (err) { 24039a97e705SManish chopra dev_err(&pdev->dev, "Failed to setup interrupt\n"); 24047e2cf4feSSony Chacko goto err_out_disable_msi; 24059a97e705SManish chopra } 240613159183SSony Chacko } 2407aa43c215SJeff Kirsher 240802135582SSony Chacko err = qlcnic_get_act_pci_func(adapter); 240902135582SSony Chacko if (err) 241002135582SSony Chacko goto err_out_disable_mbx_intr; 241102135582SSony Chacko 2412aa43c215SJeff Kirsher err = qlcnic_setup_netdev(adapter, netdev, pci_using_dac); 2413aa43c215SJeff Kirsher if (err) 24147e2cf4feSSony Chacko goto err_out_disable_mbx_intr; 2415aa43c215SJeff Kirsher 241624866d15SHimanshu Madhani if (adapter->portnum == 0) 24178af3f33dSPratik Pujar qlcnic_set_drv_version(adapter); 2418c84e340aSSritej Velaga 2419aa43c215SJeff Kirsher pci_set_drvdata(pdev, adapter); 2420aa43c215SJeff Kirsher 242197ee45ebSSony Chacko if (qlcnic_82xx_check(adapter)) 242297ee45ebSSony Chacko qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 242397ee45ebSSony Chacko FW_POLL_DELAY); 2424aa43c215SJeff Kirsher 2425aa43c215SJeff Kirsher switch (adapter->ahw->port_type) { 2426aa43c215SJeff Kirsher case QLCNIC_GBE: 2427aa43c215SJeff Kirsher dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", 2428aa43c215SJeff Kirsher adapter->netdev->name); 2429aa43c215SJeff Kirsher break; 2430aa43c215SJeff Kirsher case QLCNIC_XGBE: 2431aa43c215SJeff Kirsher dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", 2432aa43c215SJeff Kirsher adapter->netdev->name); 2433aa43c215SJeff Kirsher break; 2434aa43c215SJeff Kirsher } 2435aa43c215SJeff Kirsher 2436fe1adc6bSJitendra Kalsaria if (adapter->drv_mac_learn) 2437aa43c215SJeff Kirsher qlcnic_alloc_lb_filters_mem(adapter); 2438aa43c215SJeff Kirsher 24397e2cf4feSSony Chacko qlcnic_add_sysfs(adapter); 2440aa43c215SJeff Kirsher 2441aa43c215SJeff Kirsher return 0; 2442aa43c215SJeff Kirsher 24437e2cf4feSSony Chacko err_out_disable_mbx_intr: 24447dd90cf1SSucheta Chakraborty if (qlcnic_83xx_check(adapter)) 244513159183SSony Chacko qlcnic_83xx_free_mbx_intr(adapter); 24467e2cf4feSSony Chacko 2447aa43c215SJeff Kirsher err_out_disable_msi: 2448aa43c215SJeff Kirsher qlcnic_teardown_intr(adapter); 24497e2cf4feSSony Chacko qlcnic_cancel_idc_work(adapter); 2450aa43c215SJeff Kirsher qlcnic_clr_all_drv_state(adapter, 0); 2451aa43c215SJeff Kirsher 2452aa43c215SJeff Kirsher err_out_free_hw: 2453aa43c215SJeff Kirsher qlcnic_free_adapter_resources(adapter); 2454aa43c215SJeff Kirsher 24552b1f18a4SWei Yongjun err_out_free_wq: 24562b1f18a4SWei Yongjun destroy_workqueue(adapter->qlcnic_wq); 24572b1f18a4SWei Yongjun 2458aa43c215SJeff Kirsher err_out_free_netdev: 2459aa43c215SJeff Kirsher free_netdev(netdev); 2460aa43c215SJeff Kirsher 24617e2cf4feSSony Chacko err_out_iounmap: 2462f1a094a8SRajesh Borundia qlcnic_cleanup_pci_map(ahw); 24637e2cf4feSSony Chacko 24647e2cf4feSSony Chacko err_out_free_hw_res: 24657e2cf4feSSony Chacko kfree(ahw); 24667e2cf4feSSony Chacko 2467aa43c215SJeff Kirsher err_out_free_res: 2468aa43c215SJeff Kirsher pci_release_regions(pdev); 2469aa43c215SJeff Kirsher 2470aa43c215SJeff Kirsher err_out_disable_pdev: 2471aa43c215SJeff Kirsher pci_disable_device(pdev); 2472aa43c215SJeff Kirsher return err; 247366451615SSucheta Chakraborty 247466451615SSucheta Chakraborty err_out_maintenance_mode: 247578ea2d97SSucheta Chakraborty set_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state); 247666451615SSucheta Chakraborty netdev->netdev_ops = &qlcnic_netdev_failed_ops; 247766451615SSucheta Chakraborty SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops); 247878ea2d97SSucheta Chakraborty ahw->port_type = QLCNIC_XGBE; 247978ea2d97SSucheta Chakraborty 248078ea2d97SSucheta Chakraborty if (qlcnic_83xx_check(adapter)) 248178ea2d97SSucheta Chakraborty adapter->tgt_status_reg = NULL; 248278ea2d97SSucheta Chakraborty else 248378ea2d97SSucheta Chakraborty ahw->board_type = QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS; 248478ea2d97SSucheta Chakraborty 248566451615SSucheta Chakraborty err = register_netdev(netdev); 248666451615SSucheta Chakraborty 248766451615SSucheta Chakraborty if (err) { 248866451615SSucheta Chakraborty dev_err(&pdev->dev, "Failed to register net device\n"); 248966451615SSucheta Chakraborty qlcnic_clr_all_drv_state(adapter, 0); 249066451615SSucheta Chakraborty goto err_out_free_hw; 249166451615SSucheta Chakraborty } 249266451615SSucheta Chakraborty 249366451615SSucheta Chakraborty pci_set_drvdata(pdev, adapter); 249466451615SSucheta Chakraborty qlcnic_add_sysfs(adapter); 249566451615SSucheta Chakraborty 249666451615SSucheta Chakraborty return 0; 2497aa43c215SJeff Kirsher } 2498aa43c215SJeff Kirsher 24996bb58bb0SBill Pemberton static void qlcnic_remove(struct pci_dev *pdev) 2500aa43c215SJeff Kirsher { 2501aa43c215SJeff Kirsher struct qlcnic_adapter *adapter; 2502aa43c215SJeff Kirsher struct net_device *netdev; 250313159183SSony Chacko struct qlcnic_hardware_context *ahw; 2504aa43c215SJeff Kirsher 2505aa43c215SJeff Kirsher adapter = pci_get_drvdata(pdev); 2506aa43c215SJeff Kirsher if (adapter == NULL) 2507aa43c215SJeff Kirsher return; 2508aa43c215SJeff Kirsher 2509aa43c215SJeff Kirsher netdev = adapter->netdev; 251002feda17SRajesh Borundia qlcnic_sriov_pf_disable(adapter); 2511aa43c215SJeff Kirsher 251213159183SSony Chacko qlcnic_cancel_idc_work(adapter); 251313159183SSony Chacko ahw = adapter->ahw; 2514aa43c215SJeff Kirsher 2515aa43c215SJeff Kirsher unregister_netdev(netdev); 251602feda17SRajesh Borundia qlcnic_sriov_cleanup(adapter); 2517aa43c215SJeff Kirsher 251813159183SSony Chacko if (qlcnic_83xx_check(adapter)) { 25199b0fff2aSSucheta Chakraborty qlcnic_83xx_initialize_nic(adapter, 0); 25203d73b5fdSJitendra Kalsaria cancel_delayed_work_sync(&adapter->idc_aen_work); 2521068a8d19SManish Chopra qlcnic_83xx_free_mbx_intr(adapter); 2522068a8d19SManish Chopra qlcnic_83xx_detach_mailbox_work(adapter); 2523068a8d19SManish Chopra qlcnic_83xx_free_mailbox(ahw->mailbox); 25247000078aSPratik Pujar kfree(ahw->fw_info); 252513159183SSony Chacko } 252613159183SSony Chacko 25273720bf79SSucheta Chakraborty qlcnic_dcb_free(adapter->dcb); 25283720bf79SSucheta Chakraborty 2529aa43c215SJeff Kirsher qlcnic_detach(adapter); 2530aa43c215SJeff Kirsher 2531aa43c215SJeff Kirsher if (adapter->npars != NULL) 2532aa43c215SJeff Kirsher kfree(adapter->npars); 2533aa43c215SJeff Kirsher if (adapter->eswitch != NULL) 2534aa43c215SJeff Kirsher kfree(adapter->eswitch); 2535aa43c215SJeff Kirsher 253697ee45ebSSony Chacko if (qlcnic_82xx_check(adapter)) 2537aa43c215SJeff Kirsher qlcnic_clr_all_drv_state(adapter, 0); 2538aa43c215SJeff Kirsher 2539aa43c215SJeff Kirsher clear_bit(__QLCNIC_RESETTING, &adapter->state); 2540aa43c215SJeff Kirsher 2541aa43c215SJeff Kirsher qlcnic_free_lb_filters_mem(adapter); 2542aa43c215SJeff Kirsher 2543aa43c215SJeff Kirsher qlcnic_teardown_intr(adapter); 2544aa43c215SJeff Kirsher 254513159183SSony Chacko qlcnic_remove_sysfs(adapter); 2546aa43c215SJeff Kirsher 2547f1a094a8SRajesh Borundia qlcnic_cleanup_pci_map(adapter->ahw); 2548aa43c215SJeff Kirsher 2549aa43c215SJeff Kirsher qlcnic_release_firmware(adapter); 2550aa43c215SJeff Kirsher 2551aa43c215SJeff Kirsher pci_disable_pcie_error_reporting(pdev); 2552aa43c215SJeff Kirsher pci_release_regions(pdev); 2553aa43c215SJeff Kirsher pci_disable_device(pdev); 2554aa43c215SJeff Kirsher 255513159183SSony Chacko if (adapter->qlcnic_wq) { 255613159183SSony Chacko destroy_workqueue(adapter->qlcnic_wq); 255713159183SSony Chacko adapter->qlcnic_wq = NULL; 255813159183SSony Chacko } 255914d385b9SSucheta Chakraborty 2560aa43c215SJeff Kirsher qlcnic_free_adapter_resources(adapter); 256113159183SSony Chacko kfree(ahw); 2562aa43c215SJeff Kirsher free_netdev(netdev); 2563aa43c215SJeff Kirsher } 2564aa43c215SJeff Kirsher 2565aa43c215SJeff Kirsher static void qlcnic_shutdown(struct pci_dev *pdev) 2566aa43c215SJeff Kirsher { 2567aa43c215SJeff Kirsher if (__qlcnic_shutdown(pdev)) 2568aa43c215SJeff Kirsher return; 2569aa43c215SJeff Kirsher 2570aa43c215SJeff Kirsher pci_disable_device(pdev); 2571aa43c215SJeff Kirsher } 2572aa43c215SJeff Kirsher 2573aa43c215SJeff Kirsher #ifdef CONFIG_PM 2574486a5bc7SRajesh Borundia static int qlcnic_suspend(struct pci_dev *pdev, pm_message_t state) 2575aa43c215SJeff Kirsher { 2576aa43c215SJeff Kirsher int retval; 2577aa43c215SJeff Kirsher 2578aa43c215SJeff Kirsher retval = __qlcnic_shutdown(pdev); 2579aa43c215SJeff Kirsher if (retval) 2580aa43c215SJeff Kirsher return retval; 2581aa43c215SJeff Kirsher 2582aa43c215SJeff Kirsher pci_set_power_state(pdev, pci_choose_state(pdev, state)); 2583aa43c215SJeff Kirsher return 0; 2584aa43c215SJeff Kirsher } 2585aa43c215SJeff Kirsher 2586486a5bc7SRajesh Borundia static int qlcnic_resume(struct pci_dev *pdev) 2587aa43c215SJeff Kirsher { 2588aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 2589aa43c215SJeff Kirsher int err; 2590aa43c215SJeff Kirsher 2591aa43c215SJeff Kirsher err = pci_enable_device(pdev); 2592aa43c215SJeff Kirsher if (err) 2593aa43c215SJeff Kirsher return err; 2594aa43c215SJeff Kirsher 2595aa43c215SJeff Kirsher pci_set_power_state(pdev, PCI_D0); 2596aa43c215SJeff Kirsher pci_set_master(pdev); 2597aa43c215SJeff Kirsher pci_restore_state(pdev); 2598aa43c215SJeff Kirsher 2599486a5bc7SRajesh Borundia return __qlcnic_resume(adapter); 2600aa43c215SJeff Kirsher } 2601aa43c215SJeff Kirsher #endif 2602aa43c215SJeff Kirsher 2603aa43c215SJeff Kirsher static int qlcnic_open(struct net_device *netdev) 2604aa43c215SJeff Kirsher { 2605aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = netdev_priv(netdev); 2606aa43c215SJeff Kirsher int err; 2607aa43c215SJeff Kirsher 260878ea2d97SSucheta Chakraborty if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 260978ea2d97SSucheta Chakraborty netdev_err(netdev, "%s: Device is in non-operational state\n", 261078ea2d97SSucheta Chakraborty __func__); 261166451615SSucheta Chakraborty 261266451615SSucheta Chakraborty return -EIO; 261366451615SSucheta Chakraborty } 261466451615SSucheta Chakraborty 2615aa43c215SJeff Kirsher netif_carrier_off(netdev); 2616aa43c215SJeff Kirsher 2617aa43c215SJeff Kirsher err = qlcnic_attach(adapter); 2618aa43c215SJeff Kirsher if (err) 2619aa43c215SJeff Kirsher return err; 2620aa43c215SJeff Kirsher 2621aa43c215SJeff Kirsher err = __qlcnic_up(adapter, netdev); 2622aa43c215SJeff Kirsher if (err) 2623aa43c215SJeff Kirsher goto err_out; 2624aa43c215SJeff Kirsher 2625012ec812SHimanshu Madhani netif_tx_start_all_queues(netdev); 2626aa43c215SJeff Kirsher 2627aa43c215SJeff Kirsher return 0; 2628aa43c215SJeff Kirsher 2629aa43c215SJeff Kirsher err_out: 2630aa43c215SJeff Kirsher qlcnic_detach(adapter); 2631aa43c215SJeff Kirsher return err; 2632aa43c215SJeff Kirsher } 2633aa43c215SJeff Kirsher 2634aa43c215SJeff Kirsher /* 2635aa43c215SJeff Kirsher * qlcnic_close - Disables a network interface entry point 2636aa43c215SJeff Kirsher */ 2637aa43c215SJeff Kirsher static int qlcnic_close(struct net_device *netdev) 2638aa43c215SJeff Kirsher { 2639aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = netdev_priv(netdev); 2640aa43c215SJeff Kirsher 2641aa43c215SJeff Kirsher __qlcnic_down(adapter, netdev); 264213159183SSony Chacko 2643aa43c215SJeff Kirsher return 0; 2644aa43c215SJeff Kirsher } 2645aa43c215SJeff Kirsher 2646aa43c215SJeff Kirsher void qlcnic_alloc_lb_filters_mem(struct qlcnic_adapter *adapter) 2647aa43c215SJeff Kirsher { 2648aa43c215SJeff Kirsher void *head; 2649aa43c215SJeff Kirsher int i; 265013159183SSony Chacko struct net_device *netdev = adapter->netdev; 265113159183SSony Chacko u32 filter_size = 0; 265213159183SSony Chacko u16 act_pci_func = 0; 2653aa43c215SJeff Kirsher 2654aa43c215SJeff Kirsher if (adapter->fhash.fmax && adapter->fhash.fhead) 2655aa43c215SJeff Kirsher return; 2656aa43c215SJeff Kirsher 26572f514c52SJitendra Kalsaria act_pci_func = adapter->ahw->total_nic_func; 2658aa43c215SJeff Kirsher spin_lock_init(&adapter->mac_learn_lock); 265953643a75SShahed Shaikh spin_lock_init(&adapter->rx_mac_learn_lock); 2660aa43c215SJeff Kirsher 266113159183SSony Chacko if (qlcnic_82xx_check(adapter)) { 266213159183SSony Chacko filter_size = QLCNIC_LB_MAX_FILTERS; 266313159183SSony Chacko adapter->fhash.fbucket_size = QLCNIC_LB_BUCKET_SIZE; 266413159183SSony Chacko } else { 266513159183SSony Chacko filter_size = QLC_83XX_LB_MAX_FILTERS; 266613159183SSony Chacko adapter->fhash.fbucket_size = QLC_83XX_LB_BUCKET_SIZE; 266713159183SSony Chacko } 266813159183SSony Chacko 266913159183SSony Chacko head = kcalloc(adapter->fhash.fbucket_size, 26701d9219ddSJitendra Kalsaria sizeof(struct hlist_head), GFP_ATOMIC); 267113159183SSony Chacko 2672aa43c215SJeff Kirsher if (!head) 2673aa43c215SJeff Kirsher return; 2674aa43c215SJeff Kirsher 267513159183SSony Chacko adapter->fhash.fmax = (filter_size / act_pci_func); 2676aa43c215SJeff Kirsher adapter->fhash.fhead = head; 2677aa43c215SJeff Kirsher 267813159183SSony Chacko netdev_info(netdev, "active nic func = %d, mac filter size=%d\n", 267913159183SSony Chacko act_pci_func, adapter->fhash.fmax); 268013159183SSony Chacko 268113159183SSony Chacko for (i = 0; i < adapter->fhash.fbucket_size; i++) 2682aa43c215SJeff Kirsher INIT_HLIST_HEAD(&adapter->fhash.fhead[i]); 268353643a75SShahed Shaikh 268453643a75SShahed Shaikh adapter->rx_fhash.fbucket_size = adapter->fhash.fbucket_size; 268553643a75SShahed Shaikh 268653643a75SShahed Shaikh head = kcalloc(adapter->rx_fhash.fbucket_size, 268753643a75SShahed Shaikh sizeof(struct hlist_head), GFP_ATOMIC); 268853643a75SShahed Shaikh 268953643a75SShahed Shaikh if (!head) 269053643a75SShahed Shaikh return; 269153643a75SShahed Shaikh 269253643a75SShahed Shaikh adapter->rx_fhash.fmax = (filter_size / act_pci_func); 269353643a75SShahed Shaikh adapter->rx_fhash.fhead = head; 269453643a75SShahed Shaikh 269553643a75SShahed Shaikh for (i = 0; i < adapter->rx_fhash.fbucket_size; i++) 269653643a75SShahed Shaikh INIT_HLIST_HEAD(&adapter->rx_fhash.fhead[i]); 2697aa43c215SJeff Kirsher } 2698aa43c215SJeff Kirsher 2699aa43c215SJeff Kirsher static void qlcnic_free_lb_filters_mem(struct qlcnic_adapter *adapter) 2700aa43c215SJeff Kirsher { 2701aa43c215SJeff Kirsher if (adapter->fhash.fmax && adapter->fhash.fhead) 2702aa43c215SJeff Kirsher kfree(adapter->fhash.fhead); 2703aa43c215SJeff Kirsher 2704aa43c215SJeff Kirsher adapter->fhash.fhead = NULL; 2705aa43c215SJeff Kirsher adapter->fhash.fmax = 0; 270653643a75SShahed Shaikh 270753643a75SShahed Shaikh if (adapter->rx_fhash.fmax && adapter->rx_fhash.fhead) 270853643a75SShahed Shaikh kfree(adapter->rx_fhash.fhead); 270953643a75SShahed Shaikh 271053643a75SShahed Shaikh adapter->rx_fhash.fmax = 0; 271153643a75SShahed Shaikh adapter->rx_fhash.fhead = NULL; 2712aa43c215SJeff Kirsher } 2713aa43c215SJeff Kirsher 2714629263acSSony Chacko int qlcnic_check_temp(struct qlcnic_adapter *adapter) 2715aa43c215SJeff Kirsher { 2716aa43c215SJeff Kirsher struct net_device *netdev = adapter->netdev; 271797ee45ebSSony Chacko u32 temp_state, temp_val, temp = 0; 2718aa43c215SJeff Kirsher int rv = 0; 2719aa43c215SJeff Kirsher 272013159183SSony Chacko if (qlcnic_83xx_check(adapter)) 272113159183SSony Chacko temp = QLCRDX(adapter->ahw, QLC_83XX_ASIC_TEMP); 272213159183SSony Chacko 272397ee45ebSSony Chacko if (qlcnic_82xx_check(adapter)) 2724a15ebd37SHimanshu Madhani temp = QLC_SHARED_REG_RD32(adapter, QLCNIC_ASIC_TEMP); 2725aa43c215SJeff Kirsher 2726aa43c215SJeff Kirsher temp_state = qlcnic_get_temp_state(temp); 2727aa43c215SJeff Kirsher temp_val = qlcnic_get_temp_val(temp); 2728aa43c215SJeff Kirsher 2729aa43c215SJeff Kirsher if (temp_state == QLCNIC_TEMP_PANIC) { 2730aa43c215SJeff Kirsher dev_err(&netdev->dev, 2731aa43c215SJeff Kirsher "Device temperature %d degrees C exceeds" 2732aa43c215SJeff Kirsher " maximum allowed. Hardware has been shut down.\n", 2733aa43c215SJeff Kirsher temp_val); 2734aa43c215SJeff Kirsher rv = 1; 2735aa43c215SJeff Kirsher } else if (temp_state == QLCNIC_TEMP_WARN) { 273679788450SSony Chacko if (adapter->ahw->temp == QLCNIC_TEMP_NORMAL) { 2737aa43c215SJeff Kirsher dev_err(&netdev->dev, 2738aa43c215SJeff Kirsher "Device temperature %d degrees C " 2739aa43c215SJeff Kirsher "exceeds operating range." 2740aa43c215SJeff Kirsher " Immediate action needed.\n", 2741aa43c215SJeff Kirsher temp_val); 2742aa43c215SJeff Kirsher } 2743aa43c215SJeff Kirsher } else { 274479788450SSony Chacko if (adapter->ahw->temp == QLCNIC_TEMP_WARN) { 2745aa43c215SJeff Kirsher dev_info(&netdev->dev, 2746aa43c215SJeff Kirsher "Device temperature is now %d degrees C" 2747aa43c215SJeff Kirsher " in normal range.\n", temp_val); 2748aa43c215SJeff Kirsher } 2749aa43c215SJeff Kirsher } 275079788450SSony Chacko adapter->ahw->temp = temp_state; 2751aa43c215SJeff Kirsher return rv; 2752aa43c215SJeff Kirsher } 2753aa43c215SJeff Kirsher 275495b3890aSHimanshu Madhani static inline void dump_tx_ring_desc(struct qlcnic_host_tx_ring *tx_ring) 275595b3890aSHimanshu Madhani { 275695b3890aSHimanshu Madhani int i; 275795b3890aSHimanshu Madhani struct cmd_desc_type0 *tx_desc_info; 275895b3890aSHimanshu Madhani 275995b3890aSHimanshu Madhani for (i = 0; i < tx_ring->num_desc; i++) { 276095b3890aSHimanshu Madhani tx_desc_info = &tx_ring->desc_head[i]; 276195b3890aSHimanshu Madhani pr_info("TX Desc: %d\n", i); 276295b3890aSHimanshu Madhani print_hex_dump(KERN_INFO, "TX: ", DUMP_PREFIX_OFFSET, 16, 1, 276395b3890aSHimanshu Madhani &tx_ring->desc_head[i], 276495b3890aSHimanshu Madhani sizeof(struct cmd_desc_type0), true); 276595b3890aSHimanshu Madhani } 276695b3890aSHimanshu Madhani } 276795b3890aSHimanshu Madhani 276895b3890aSHimanshu Madhani static void qlcnic_dump_tx_rings(struct qlcnic_adapter *adapter) 276995b3890aSHimanshu Madhani { 277095b3890aSHimanshu Madhani struct net_device *netdev = adapter->netdev; 277195b3890aSHimanshu Madhani struct qlcnic_host_tx_ring *tx_ring; 277295b3890aSHimanshu Madhani int ring; 277395b3890aSHimanshu Madhani 277495b3890aSHimanshu Madhani if (!netdev || !netif_running(netdev)) 277595b3890aSHimanshu Madhani return; 277695b3890aSHimanshu Madhani 277795b3890aSHimanshu Madhani for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 277895b3890aSHimanshu Madhani tx_ring = &adapter->tx_ring[ring]; 277995b3890aSHimanshu Madhani netdev_info(netdev, "Tx ring=%d Context Id=0x%x\n", 278095b3890aSHimanshu Madhani ring, tx_ring->ctx_id); 278195b3890aSHimanshu Madhani netdev_info(netdev, 278295b3890aSHimanshu Madhani "xmit_finished=%llu, xmit_called=%llu, xmit_on=%llu, xmit_off=%llu\n", 278395b3890aSHimanshu Madhani tx_ring->tx_stats.xmit_finished, 278495b3890aSHimanshu Madhani tx_ring->tx_stats.xmit_called, 278595b3890aSHimanshu Madhani tx_ring->tx_stats.xmit_on, 278695b3890aSHimanshu Madhani tx_ring->tx_stats.xmit_off); 278795b3890aSHimanshu Madhani netdev_info(netdev, 278895b3890aSHimanshu Madhani "crb_intr_mask=%d, hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n", 278995b3890aSHimanshu Madhani readl(tx_ring->crb_intr_mask), 279095b3890aSHimanshu Madhani readl(tx_ring->crb_cmd_producer), 279195b3890aSHimanshu Madhani tx_ring->producer, tx_ring->sw_consumer, 279295b3890aSHimanshu Madhani le32_to_cpu(*(tx_ring->hw_consumer))); 279395b3890aSHimanshu Madhani 279495b3890aSHimanshu Madhani netdev_info(netdev, "Total desc=%d, Available desc=%d\n", 279595b3890aSHimanshu Madhani tx_ring->num_desc, qlcnic_tx_avail(tx_ring)); 279695b3890aSHimanshu Madhani 279795b3890aSHimanshu Madhani if (netif_msg_tx_done(adapter->ahw)) 279895b3890aSHimanshu Madhani dump_tx_ring_desc(tx_ring); 279995b3890aSHimanshu Madhani } 280095b3890aSHimanshu Madhani } 280195b3890aSHimanshu Madhani 2802aa43c215SJeff Kirsher static void qlcnic_tx_timeout(struct net_device *netdev) 2803aa43c215SJeff Kirsher { 2804aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = netdev_priv(netdev); 2805aa43c215SJeff Kirsher 2806aa43c215SJeff Kirsher if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 2807aa43c215SJeff Kirsher return; 2808aa43c215SJeff Kirsher 2809536faa61SSony Chacko if (++adapter->tx_timeo_cnt >= QLCNIC_MAX_TX_TIMEOUTS) { 2810536faa61SSony Chacko netdev_info(netdev, "Tx timeout, reset the adapter.\n"); 2811536faa61SSony Chacko if (qlcnic_82xx_check(adapter)) 2812aa43c215SJeff Kirsher adapter->need_fw_reset = 1; 2813536faa61SSony Chacko else if (qlcnic_83xx_check(adapter)) 2814536faa61SSony Chacko qlcnic_83xx_idc_request_reset(adapter, 2815536faa61SSony Chacko QLCNIC_FORCE_FW_DUMP_KEY); 2816536faa61SSony Chacko } else { 2817536faa61SSony Chacko netdev_info(netdev, "Tx timeout, reset adapter context.\n"); 281895b3890aSHimanshu Madhani qlcnic_dump_tx_rings(adapter); 281979788450SSony Chacko adapter->ahw->reset_context = 1; 2820aa43c215SJeff Kirsher } 2821536faa61SSony Chacko } 2822aa43c215SJeff Kirsher 2823aa43c215SJeff Kirsher static struct net_device_stats *qlcnic_get_stats(struct net_device *netdev) 2824aa43c215SJeff Kirsher { 2825aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = netdev_priv(netdev); 2826aa43c215SJeff Kirsher struct net_device_stats *stats = &netdev->stats; 2827aa43c215SJeff Kirsher 28281ac6762aSManish Chopra if (test_bit(__QLCNIC_DEV_UP, &adapter->state)) 28291ac6762aSManish Chopra qlcnic_update_stats(adapter); 28301ac6762aSManish Chopra 2831aa43c215SJeff Kirsher stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts; 2832aa43c215SJeff Kirsher stats->tx_packets = adapter->stats.xmitfinished; 2833aa43c215SJeff Kirsher stats->rx_bytes = adapter->stats.rxbytes + adapter->stats.lrobytes; 2834aa43c215SJeff Kirsher stats->tx_bytes = adapter->stats.txbytes; 2835aa43c215SJeff Kirsher stats->rx_dropped = adapter->stats.rxdropped; 2836aa43c215SJeff Kirsher stats->tx_dropped = adapter->stats.txdropped; 2837aa43c215SJeff Kirsher 2838aa43c215SJeff Kirsher return stats; 2839aa43c215SJeff Kirsher } 2840aa43c215SJeff Kirsher 284121041400Sstephen hemminger static irqreturn_t qlcnic_82xx_clear_legacy_intr(struct qlcnic_adapter *adapter) 2842aa43c215SJeff Kirsher { 2843aa43c215SJeff Kirsher u32 status; 2844aa43c215SJeff Kirsher 2845aa43c215SJeff Kirsher status = readl(adapter->isr_int_vec); 2846aa43c215SJeff Kirsher 284779788450SSony Chacko if (!(status & adapter->ahw->int_vec_bit)) 2848aa43c215SJeff Kirsher return IRQ_NONE; 2849aa43c215SJeff Kirsher 2850aa43c215SJeff Kirsher /* check interrupt state machine, to be sure */ 2851aa43c215SJeff Kirsher status = readl(adapter->crb_int_state_reg); 2852aa43c215SJeff Kirsher if (!ISR_LEGACY_INT_TRIGGERED(status)) 2853aa43c215SJeff Kirsher return IRQ_NONE; 2854aa43c215SJeff Kirsher 2855aa43c215SJeff Kirsher writel(0xffffffff, adapter->tgt_status_reg); 2856aa43c215SJeff Kirsher /* read twice to ensure write is flushed */ 2857aa43c215SJeff Kirsher readl(adapter->isr_int_vec); 2858aa43c215SJeff Kirsher readl(adapter->isr_int_vec); 2859aa43c215SJeff Kirsher 2860aa43c215SJeff Kirsher return IRQ_HANDLED; 2861aa43c215SJeff Kirsher } 2862aa43c215SJeff Kirsher 2863aa43c215SJeff Kirsher static irqreturn_t qlcnic_tmp_intr(int irq, void *data) 2864aa43c215SJeff Kirsher { 2865aa43c215SJeff Kirsher struct qlcnic_host_sds_ring *sds_ring = data; 2866aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = sds_ring->adapter; 2867aa43c215SJeff Kirsher 2868aa43c215SJeff Kirsher if (adapter->flags & QLCNIC_MSIX_ENABLED) 2869aa43c215SJeff Kirsher goto done; 2870aa43c215SJeff Kirsher else if (adapter->flags & QLCNIC_MSI_ENABLED) { 2871aa43c215SJeff Kirsher writel(0xffffffff, adapter->tgt_status_reg); 2872aa43c215SJeff Kirsher goto done; 2873aa43c215SJeff Kirsher } 2874aa43c215SJeff Kirsher 2875aa43c215SJeff Kirsher if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 2876aa43c215SJeff Kirsher return IRQ_NONE; 2877aa43c215SJeff Kirsher 2878aa43c215SJeff Kirsher done: 287979788450SSony Chacko adapter->ahw->diag_cnt++; 28802cc5752eSManish chopra qlcnic_enable_sds_intr(adapter, sds_ring); 2881aa43c215SJeff Kirsher return IRQ_HANDLED; 2882aa43c215SJeff Kirsher } 2883aa43c215SJeff Kirsher 2884aa43c215SJeff Kirsher static irqreturn_t qlcnic_intr(int irq, void *data) 2885aa43c215SJeff Kirsher { 2886aa43c215SJeff Kirsher struct qlcnic_host_sds_ring *sds_ring = data; 2887aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = sds_ring->adapter; 2888aa43c215SJeff Kirsher 2889aa43c215SJeff Kirsher if (qlcnic_clear_legacy_intr(adapter) == IRQ_NONE) 2890aa43c215SJeff Kirsher return IRQ_NONE; 2891aa43c215SJeff Kirsher 2892aa43c215SJeff Kirsher napi_schedule(&sds_ring->napi); 2893aa43c215SJeff Kirsher 2894aa43c215SJeff Kirsher return IRQ_HANDLED; 2895aa43c215SJeff Kirsher } 2896aa43c215SJeff Kirsher 2897aa43c215SJeff Kirsher static irqreturn_t qlcnic_msi_intr(int irq, void *data) 2898aa43c215SJeff Kirsher { 2899aa43c215SJeff Kirsher struct qlcnic_host_sds_ring *sds_ring = data; 2900aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = sds_ring->adapter; 2901aa43c215SJeff Kirsher 2902aa43c215SJeff Kirsher /* clear interrupt */ 2903aa43c215SJeff Kirsher writel(0xffffffff, adapter->tgt_status_reg); 2904aa43c215SJeff Kirsher 2905aa43c215SJeff Kirsher napi_schedule(&sds_ring->napi); 2906aa43c215SJeff Kirsher return IRQ_HANDLED; 2907aa43c215SJeff Kirsher } 2908aa43c215SJeff Kirsher 2909aa43c215SJeff Kirsher static irqreturn_t qlcnic_msix_intr(int irq, void *data) 2910aa43c215SJeff Kirsher { 2911aa43c215SJeff Kirsher struct qlcnic_host_sds_ring *sds_ring = data; 2912aa43c215SJeff Kirsher 2913aa43c215SJeff Kirsher napi_schedule(&sds_ring->napi); 2914aa43c215SJeff Kirsher return IRQ_HANDLED; 2915aa43c215SJeff Kirsher } 2916aa43c215SJeff Kirsher 291713159183SSony Chacko static irqreturn_t qlcnic_msix_tx_intr(int irq, void *data) 291813159183SSony Chacko { 291913159183SSony Chacko struct qlcnic_host_tx_ring *tx_ring = data; 292013159183SSony Chacko 292113159183SSony Chacko napi_schedule(&tx_ring->napi); 292213159183SSony Chacko return IRQ_HANDLED; 292313159183SSony Chacko } 292413159183SSony Chacko 2925aa43c215SJeff Kirsher #ifdef CONFIG_NET_POLL_CONTROLLER 2926aa43c215SJeff Kirsher static void qlcnic_poll_controller(struct net_device *netdev) 2927aa43c215SJeff Kirsher { 2928aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = netdev_priv(netdev); 29292b018ad9SManish chopra struct qlcnic_host_sds_ring *sds_ring; 29302b018ad9SManish chopra struct qlcnic_recv_context *recv_ctx; 29312b018ad9SManish chopra struct qlcnic_host_tx_ring *tx_ring; 29322b018ad9SManish chopra int ring; 2933aa43c215SJeff Kirsher 29342b018ad9SManish chopra if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 29352b018ad9SManish chopra return; 29362b018ad9SManish chopra 29372b018ad9SManish chopra recv_ctx = adapter->recv_ctx; 29382b018ad9SManish chopra 293934e8c406SHimanshu Madhani for (ring = 0; ring < adapter->drv_sds_rings; ring++) { 2940aa43c215SJeff Kirsher sds_ring = &recv_ctx->sds_rings[ring]; 29412b018ad9SManish chopra qlcnic_disable_sds_intr(adapter, sds_ring); 29422b018ad9SManish chopra napi_schedule(&sds_ring->napi); 2943aa43c215SJeff Kirsher } 29442b018ad9SManish chopra 29452b018ad9SManish chopra if (adapter->flags & QLCNIC_MSIX_ENABLED) { 29462b018ad9SManish chopra /* Only Multi-Tx queue capable devices need to 29472b018ad9SManish chopra * schedule NAPI for TX rings 29482b018ad9SManish chopra */ 29492b018ad9SManish chopra if ((qlcnic_83xx_check(adapter) && 29502b018ad9SManish chopra (adapter->flags & QLCNIC_TX_INTR_SHARED)) || 29512b018ad9SManish chopra (qlcnic_82xx_check(adapter) && 29522b018ad9SManish chopra !qlcnic_check_multi_tx(adapter))) 29532b018ad9SManish chopra return; 29542b018ad9SManish chopra 29552b018ad9SManish chopra for (ring = 0; ring < adapter->drv_tx_rings; ring++) { 29562b018ad9SManish chopra tx_ring = &adapter->tx_ring[ring]; 29572b018ad9SManish chopra qlcnic_disable_tx_intr(adapter, tx_ring); 29582b018ad9SManish chopra napi_schedule(&tx_ring->napi); 29592b018ad9SManish chopra } 29602b018ad9SManish chopra } 2961aa43c215SJeff Kirsher } 2962aa43c215SJeff Kirsher #endif 2963aa43c215SJeff Kirsher 2964aa43c215SJeff Kirsher static void 2965aa43c215SJeff Kirsher qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding) 2966aa43c215SJeff Kirsher { 2967aa43c215SJeff Kirsher u32 val; 2968aa43c215SJeff Kirsher 2969aa43c215SJeff Kirsher val = adapter->portnum & 0xf; 2970aa43c215SJeff Kirsher val |= encoding << 7; 2971aa43c215SJeff Kirsher val |= (jiffies - adapter->dev_rst_time) << 8; 2972aa43c215SJeff Kirsher 2973a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val); 2974aa43c215SJeff Kirsher adapter->dev_rst_time = jiffies; 2975aa43c215SJeff Kirsher } 2976aa43c215SJeff Kirsher 2977aa43c215SJeff Kirsher static int 2978aa43c215SJeff Kirsher qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) 2979aa43c215SJeff Kirsher { 2980aa43c215SJeff Kirsher u32 val; 2981aa43c215SJeff Kirsher 2982aa43c215SJeff Kirsher WARN_ON(state != QLCNIC_DEV_NEED_RESET && 2983aa43c215SJeff Kirsher state != QLCNIC_DEV_NEED_QUISCENT); 2984aa43c215SJeff Kirsher 2985aa43c215SJeff Kirsher if (qlcnic_api_lock(adapter)) 2986aa43c215SJeff Kirsher return -EIO; 2987aa43c215SJeff Kirsher 2988a15ebd37SHimanshu Madhani val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 2989aa43c215SJeff Kirsher 2990aa43c215SJeff Kirsher if (state == QLCNIC_DEV_NEED_RESET) 2991aa43c215SJeff Kirsher QLC_DEV_SET_RST_RDY(val, adapter->portnum); 2992aa43c215SJeff Kirsher else if (state == QLCNIC_DEV_NEED_QUISCENT) 2993aa43c215SJeff Kirsher QLC_DEV_SET_QSCNT_RDY(val, adapter->portnum); 2994aa43c215SJeff Kirsher 2995a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 2996aa43c215SJeff Kirsher 2997aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 2998aa43c215SJeff Kirsher 2999aa43c215SJeff Kirsher return 0; 3000aa43c215SJeff Kirsher } 3001aa43c215SJeff Kirsher 3002aa43c215SJeff Kirsher static int 3003aa43c215SJeff Kirsher qlcnic_clr_drv_state(struct qlcnic_adapter *adapter) 3004aa43c215SJeff Kirsher { 3005aa43c215SJeff Kirsher u32 val; 3006aa43c215SJeff Kirsher 3007aa43c215SJeff Kirsher if (qlcnic_api_lock(adapter)) 3008aa43c215SJeff Kirsher return -EBUSY; 3009aa43c215SJeff Kirsher 3010a15ebd37SHimanshu Madhani val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3011aa43c215SJeff Kirsher QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3012a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3013aa43c215SJeff Kirsher 3014aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 3015aa43c215SJeff Kirsher 3016aa43c215SJeff Kirsher return 0; 3017aa43c215SJeff Kirsher } 3018aa43c215SJeff Kirsher 3019486a5bc7SRajesh Borundia void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter, u8 failed) 3020aa43c215SJeff Kirsher { 3021aa43c215SJeff Kirsher u32 val; 3022aa43c215SJeff Kirsher 3023aa43c215SJeff Kirsher if (qlcnic_api_lock(adapter)) 3024aa43c215SJeff Kirsher goto err; 3025aa43c215SJeff Kirsher 3026a15ebd37SHimanshu Madhani val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3027aa43c215SJeff Kirsher QLC_DEV_CLR_REF_CNT(val, adapter->portnum); 3028a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3029aa43c215SJeff Kirsher 3030aa43c215SJeff Kirsher if (failed) { 3031a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3032a15ebd37SHimanshu Madhani QLCNIC_DEV_FAILED); 3033aa43c215SJeff Kirsher dev_info(&adapter->pdev->dev, 3034aa43c215SJeff Kirsher "Device state set to Failed. Please Reboot\n"); 3035aa43c215SJeff Kirsher } else if (!(val & 0x11111111)) 3036a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3037a15ebd37SHimanshu Madhani QLCNIC_DEV_COLD); 3038aa43c215SJeff Kirsher 3039a15ebd37SHimanshu Madhani val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3040aa43c215SJeff Kirsher QLC_DEV_CLR_RST_QSCNT(val, adapter->portnum); 3041a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3042aa43c215SJeff Kirsher 3043aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 3044aa43c215SJeff Kirsher err: 3045aa43c215SJeff Kirsher adapter->fw_fail_cnt = 0; 3046aa43c215SJeff Kirsher adapter->flags &= ~QLCNIC_FW_HANG; 3047aa43c215SJeff Kirsher clear_bit(__QLCNIC_START_FW, &adapter->state); 3048aa43c215SJeff Kirsher clear_bit(__QLCNIC_RESETTING, &adapter->state); 3049aa43c215SJeff Kirsher } 3050aa43c215SJeff Kirsher 3051aa43c215SJeff Kirsher /* Grab api lock, before checking state */ 3052aa43c215SJeff Kirsher static int 3053aa43c215SJeff Kirsher qlcnic_check_drv_state(struct qlcnic_adapter *adapter) 3054aa43c215SJeff Kirsher { 3055aa43c215SJeff Kirsher int act, state, active_mask; 3056a15ebd37SHimanshu Madhani struct qlcnic_hardware_context *ahw = adapter->ahw; 3057aa43c215SJeff Kirsher 3058a15ebd37SHimanshu Madhani state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3059a15ebd37SHimanshu Madhani act = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3060aa43c215SJeff Kirsher 3061aa43c215SJeff Kirsher if (adapter->flags & QLCNIC_FW_RESET_OWNER) { 3062a15ebd37SHimanshu Madhani active_mask = (~(1 << (ahw->pci_func * 4))); 3063aa43c215SJeff Kirsher act = act & active_mask; 3064aa43c215SJeff Kirsher } 3065aa43c215SJeff Kirsher 3066aa43c215SJeff Kirsher if (((state & 0x11111111) == (act & 0x11111111)) || 3067aa43c215SJeff Kirsher ((act & 0x11111111) == ((state >> 1) & 0x11111111))) 3068aa43c215SJeff Kirsher return 0; 3069aa43c215SJeff Kirsher else 3070aa43c215SJeff Kirsher return 1; 3071aa43c215SJeff Kirsher } 3072aa43c215SJeff Kirsher 3073aa43c215SJeff Kirsher static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter) 3074aa43c215SJeff Kirsher { 3075a15ebd37SHimanshu Madhani u32 val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_IDC_VER); 3076aa43c215SJeff Kirsher 3077aa43c215SJeff Kirsher if (val != QLCNIC_DRV_IDC_VER) { 3078aa43c215SJeff Kirsher dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's" 3079aa43c215SJeff Kirsher " idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val); 3080aa43c215SJeff Kirsher } 3081aa43c215SJeff Kirsher 3082aa43c215SJeff Kirsher return 0; 3083aa43c215SJeff Kirsher } 3084aa43c215SJeff Kirsher 3085aa43c215SJeff Kirsher static int 3086aa43c215SJeff Kirsher qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) 3087aa43c215SJeff Kirsher { 3088aa43c215SJeff Kirsher u32 val, prev_state; 3089aa43c215SJeff Kirsher u8 dev_init_timeo = adapter->dev_init_timeo; 3090aa43c215SJeff Kirsher u8 portnum = adapter->portnum; 3091aa43c215SJeff Kirsher u8 ret; 3092aa43c215SJeff Kirsher 3093aa43c215SJeff Kirsher if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state)) 3094aa43c215SJeff Kirsher return 1; 3095aa43c215SJeff Kirsher 3096aa43c215SJeff Kirsher if (qlcnic_api_lock(adapter)) 3097aa43c215SJeff Kirsher return -1; 3098aa43c215SJeff Kirsher 3099a15ebd37SHimanshu Madhani val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_ACTIVE); 3100aa43c215SJeff Kirsher if (!(val & (1 << (portnum * 4)))) { 3101aa43c215SJeff Kirsher QLC_DEV_SET_REF_CNT(val, portnum); 3102a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_ACTIVE, val); 3103aa43c215SJeff Kirsher } 3104aa43c215SJeff Kirsher 3105a15ebd37SHimanshu Madhani prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3106aa43c215SJeff Kirsher QLCDB(adapter, HW, "Device state = %u\n", prev_state); 3107aa43c215SJeff Kirsher 3108aa43c215SJeff Kirsher switch (prev_state) { 3109aa43c215SJeff Kirsher case QLCNIC_DEV_COLD: 3110a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3111a15ebd37SHimanshu Madhani QLCNIC_DEV_INITIALIZING); 3112a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_IDC_VER, 3113a15ebd37SHimanshu Madhani QLCNIC_DRV_IDC_VER); 3114aa43c215SJeff Kirsher qlcnic_idc_debug_info(adapter, 0); 3115aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 3116aa43c215SJeff Kirsher return 1; 3117aa43c215SJeff Kirsher 3118aa43c215SJeff Kirsher case QLCNIC_DEV_READY: 3119aa43c215SJeff Kirsher ret = qlcnic_check_idc_ver(adapter); 3120aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 3121aa43c215SJeff Kirsher return ret; 3122aa43c215SJeff Kirsher 3123aa43c215SJeff Kirsher case QLCNIC_DEV_NEED_RESET: 3124a15ebd37SHimanshu Madhani val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3125aa43c215SJeff Kirsher QLC_DEV_SET_RST_RDY(val, portnum); 3126a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3127aa43c215SJeff Kirsher break; 3128aa43c215SJeff Kirsher 3129aa43c215SJeff Kirsher case QLCNIC_DEV_NEED_QUISCENT: 3130a15ebd37SHimanshu Madhani val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3131aa43c215SJeff Kirsher QLC_DEV_SET_QSCNT_RDY(val, portnum); 3132a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3133aa43c215SJeff Kirsher break; 3134aa43c215SJeff Kirsher 3135aa43c215SJeff Kirsher case QLCNIC_DEV_FAILED: 3136aa43c215SJeff Kirsher dev_err(&adapter->pdev->dev, "Device in failed state.\n"); 3137aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 3138aa43c215SJeff Kirsher return -1; 3139aa43c215SJeff Kirsher 3140aa43c215SJeff Kirsher case QLCNIC_DEV_INITIALIZING: 3141aa43c215SJeff Kirsher case QLCNIC_DEV_QUISCENT: 3142aa43c215SJeff Kirsher break; 3143aa43c215SJeff Kirsher } 3144aa43c215SJeff Kirsher 3145aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 3146aa43c215SJeff Kirsher 3147aa43c215SJeff Kirsher do { 3148aa43c215SJeff Kirsher msleep(1000); 3149a15ebd37SHimanshu Madhani prev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3150aa43c215SJeff Kirsher 3151aa43c215SJeff Kirsher if (prev_state == QLCNIC_DEV_QUISCENT) 3152aa43c215SJeff Kirsher continue; 3153aa43c215SJeff Kirsher } while ((prev_state != QLCNIC_DEV_READY) && --dev_init_timeo); 3154aa43c215SJeff Kirsher 3155aa43c215SJeff Kirsher if (!dev_init_timeo) { 3156aa43c215SJeff Kirsher dev_err(&adapter->pdev->dev, 3157aa43c215SJeff Kirsher "Waiting for device to initialize timeout\n"); 3158aa43c215SJeff Kirsher return -1; 3159aa43c215SJeff Kirsher } 3160aa43c215SJeff Kirsher 3161aa43c215SJeff Kirsher if (qlcnic_api_lock(adapter)) 3162aa43c215SJeff Kirsher return -1; 3163aa43c215SJeff Kirsher 3164a15ebd37SHimanshu Madhani val = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DRV_STATE); 3165aa43c215SJeff Kirsher QLC_DEV_CLR_RST_QSCNT(val, portnum); 3166a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DRV_STATE, val); 3167aa43c215SJeff Kirsher 3168aa43c215SJeff Kirsher ret = qlcnic_check_idc_ver(adapter); 3169aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 3170aa43c215SJeff Kirsher 3171aa43c215SJeff Kirsher return ret; 3172aa43c215SJeff Kirsher } 3173aa43c215SJeff Kirsher 3174aa43c215SJeff Kirsher static void 3175aa43c215SJeff Kirsher qlcnic_fwinit_work(struct work_struct *work) 3176aa43c215SJeff Kirsher { 3177aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = container_of(work, 3178aa43c215SJeff Kirsher struct qlcnic_adapter, fw_work.work); 3179aa43c215SJeff Kirsher u32 dev_state = 0xf; 3180aa43c215SJeff Kirsher u32 val; 3181aa43c215SJeff Kirsher 3182aa43c215SJeff Kirsher if (qlcnic_api_lock(adapter)) 3183aa43c215SJeff Kirsher goto err_ret; 3184aa43c215SJeff Kirsher 3185a15ebd37SHimanshu Madhani dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3186aa43c215SJeff Kirsher if (dev_state == QLCNIC_DEV_QUISCENT || 3187aa43c215SJeff Kirsher dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3188aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 3189aa43c215SJeff Kirsher qlcnic_schedule_work(adapter, qlcnic_fwinit_work, 3190aa43c215SJeff Kirsher FW_POLL_DELAY * 2); 3191aa43c215SJeff Kirsher return; 3192aa43c215SJeff Kirsher } 3193aa43c215SJeff Kirsher 319479788450SSony Chacko if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { 3195aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 3196aa43c215SJeff Kirsher goto wait_npar; 3197aa43c215SJeff Kirsher } 3198aa43c215SJeff Kirsher 319916e3cf73SSritej Velaga if (dev_state == QLCNIC_DEV_INITIALIZING || 320016e3cf73SSritej Velaga dev_state == QLCNIC_DEV_READY) { 320116e3cf73SSritej Velaga dev_info(&adapter->pdev->dev, "Detected state change from " 320216e3cf73SSritej Velaga "DEV_NEED_RESET, skipping ack check\n"); 320316e3cf73SSritej Velaga goto skip_ack_check; 320416e3cf73SSritej Velaga } 320516e3cf73SSritej Velaga 3206aa43c215SJeff Kirsher if (adapter->fw_wait_cnt++ > adapter->reset_ack_timeo) { 320716e3cf73SSritej Velaga dev_info(&adapter->pdev->dev, "Reset:Failed to get ack %d sec\n", 3208aa43c215SJeff Kirsher adapter->reset_ack_timeo); 3209aa43c215SJeff Kirsher goto skip_ack_check; 3210aa43c215SJeff Kirsher } 3211aa43c215SJeff Kirsher 3212aa43c215SJeff Kirsher if (!qlcnic_check_drv_state(adapter)) { 3213aa43c215SJeff Kirsher skip_ack_check: 3214a15ebd37SHimanshu Madhani dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3215aa43c215SJeff Kirsher 3216aa43c215SJeff Kirsher if (dev_state == QLCNIC_DEV_NEED_RESET) { 3217a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3218aa43c215SJeff Kirsher QLCNIC_DEV_INITIALIZING); 3219aa43c215SJeff Kirsher set_bit(__QLCNIC_START_FW, &adapter->state); 3220aa43c215SJeff Kirsher QLCDB(adapter, DRV, "Restarting fw\n"); 3221aa43c215SJeff Kirsher qlcnic_idc_debug_info(adapter, 0); 3222a15ebd37SHimanshu Madhani val = QLC_SHARED_REG_RD32(adapter, 3223a15ebd37SHimanshu Madhani QLCNIC_CRB_DRV_STATE); 3224aa43c215SJeff Kirsher QLC_DEV_SET_RST_RDY(val, adapter->portnum); 3225a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, 3226a15ebd37SHimanshu Madhani QLCNIC_CRB_DRV_STATE, val); 3227aa43c215SJeff Kirsher } 3228aa43c215SJeff Kirsher 3229aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 3230aa43c215SJeff Kirsher 3231aa43c215SJeff Kirsher rtnl_lock(); 3232890b6e02SShahed Shaikh if (qlcnic_check_fw_dump_state(adapter) && 3233aa43c215SJeff Kirsher (adapter->flags & QLCNIC_FW_RESET_OWNER)) { 3234aa43c215SJeff Kirsher QLCDB(adapter, DRV, "Take FW dump\n"); 3235aa43c215SJeff Kirsher qlcnic_dump_fw(adapter); 3236aa43c215SJeff Kirsher adapter->flags |= QLCNIC_FW_HANG; 3237aa43c215SJeff Kirsher } 3238aa43c215SJeff Kirsher rtnl_unlock(); 3239aa43c215SJeff Kirsher 3240aa43c215SJeff Kirsher adapter->flags &= ~QLCNIC_FW_RESET_OWNER; 3241aa43c215SJeff Kirsher if (!adapter->nic_ops->start_firmware(adapter)) { 3242aa43c215SJeff Kirsher qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3243aa43c215SJeff Kirsher adapter->fw_wait_cnt = 0; 3244aa43c215SJeff Kirsher return; 3245aa43c215SJeff Kirsher } 3246aa43c215SJeff Kirsher goto err_ret; 3247aa43c215SJeff Kirsher } 3248aa43c215SJeff Kirsher 3249aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 3250aa43c215SJeff Kirsher 3251aa43c215SJeff Kirsher wait_npar: 3252a15ebd37SHimanshu Madhani dev_state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3253aa43c215SJeff Kirsher QLCDB(adapter, HW, "Func waiting: Device state=%u\n", dev_state); 3254aa43c215SJeff Kirsher 3255aa43c215SJeff Kirsher switch (dev_state) { 3256aa43c215SJeff Kirsher case QLCNIC_DEV_READY: 32577e2cf4feSSony Chacko if (!qlcnic_start_firmware(adapter)) { 3258aa43c215SJeff Kirsher qlcnic_schedule_work(adapter, qlcnic_attach_work, 0); 3259aa43c215SJeff Kirsher adapter->fw_wait_cnt = 0; 3260aa43c215SJeff Kirsher return; 3261aa43c215SJeff Kirsher } 3262aa43c215SJeff Kirsher case QLCNIC_DEV_FAILED: 3263aa43c215SJeff Kirsher break; 3264aa43c215SJeff Kirsher default: 3265aa43c215SJeff Kirsher qlcnic_schedule_work(adapter, 3266aa43c215SJeff Kirsher qlcnic_fwinit_work, FW_POLL_DELAY); 3267aa43c215SJeff Kirsher return; 3268aa43c215SJeff Kirsher } 3269aa43c215SJeff Kirsher 3270aa43c215SJeff Kirsher err_ret: 3271aa43c215SJeff Kirsher dev_err(&adapter->pdev->dev, "Fwinit work failed state=%u " 3272aa43c215SJeff Kirsher "fw_wait_cnt=%u\n", dev_state, adapter->fw_wait_cnt); 3273aa43c215SJeff Kirsher netif_device_attach(adapter->netdev); 3274aa43c215SJeff Kirsher qlcnic_clr_all_drv_state(adapter, 0); 3275aa43c215SJeff Kirsher } 3276aa43c215SJeff Kirsher 3277aa43c215SJeff Kirsher static void 3278aa43c215SJeff Kirsher qlcnic_detach_work(struct work_struct *work) 3279aa43c215SJeff Kirsher { 3280aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = container_of(work, 3281aa43c215SJeff Kirsher struct qlcnic_adapter, fw_work.work); 3282aa43c215SJeff Kirsher struct net_device *netdev = adapter->netdev; 3283aa43c215SJeff Kirsher u32 status; 3284aa43c215SJeff Kirsher 3285aa43c215SJeff Kirsher netif_device_detach(netdev); 3286aa43c215SJeff Kirsher 3287aa43c215SJeff Kirsher /* Dont grab rtnl lock during Quiscent mode */ 3288aa43c215SJeff Kirsher if (adapter->dev_state == QLCNIC_DEV_NEED_QUISCENT) { 3289aa43c215SJeff Kirsher if (netif_running(netdev)) 3290aa43c215SJeff Kirsher __qlcnic_down(adapter, netdev); 3291aa43c215SJeff Kirsher } else 3292aa43c215SJeff Kirsher qlcnic_down(adapter, netdev); 3293aa43c215SJeff Kirsher 3294a15ebd37SHimanshu Madhani status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3295aa43c215SJeff Kirsher 329644f65b29SSony Chacko if (status & QLCNIC_RCODE_FATAL_ERROR) { 329744f65b29SSony Chacko dev_err(&adapter->pdev->dev, 329844f65b29SSony Chacko "Detaching the device: peg halt status1=0x%x\n", 329944f65b29SSony Chacko status); 3300aa43c215SJeff Kirsher 330144f65b29SSony Chacko if (QLCNIC_FWERROR_CODE(status) == QLCNIC_FWERROR_FAN_FAILURE) { 330244f65b29SSony Chacko dev_err(&adapter->pdev->dev, 330344f65b29SSony Chacko "On board active cooling fan failed. " 330444f65b29SSony Chacko "Device has been halted.\n"); 330544f65b29SSony Chacko dev_err(&adapter->pdev->dev, 330644f65b29SSony Chacko "Replace the adapter.\n"); 330744f65b29SSony Chacko } 330844f65b29SSony Chacko 3309aa43c215SJeff Kirsher goto err_ret; 331044f65b29SSony Chacko } 331144f65b29SSony Chacko 331279788450SSony Chacko if (adapter->ahw->temp == QLCNIC_TEMP_PANIC) { 331344f65b29SSony Chacko dev_err(&adapter->pdev->dev, "Detaching the device: temp=%d\n", 331479788450SSony Chacko adapter->ahw->temp); 331544f65b29SSony Chacko goto err_ret; 331644f65b29SSony Chacko } 331744f65b29SSony Chacko 3318aa43c215SJeff Kirsher /* Dont ack if this instance is the reset owner */ 3319aa43c215SJeff Kirsher if (!(adapter->flags & QLCNIC_FW_RESET_OWNER)) { 332044f65b29SSony Chacko if (qlcnic_set_drv_state(adapter, adapter->dev_state)) { 332144f65b29SSony Chacko dev_err(&adapter->pdev->dev, 332244f65b29SSony Chacko "Failed to set driver state," 332344f65b29SSony Chacko "detaching the device.\n"); 3324aa43c215SJeff Kirsher goto err_ret; 3325aa43c215SJeff Kirsher } 332644f65b29SSony Chacko } 3327aa43c215SJeff Kirsher 3328aa43c215SJeff Kirsher adapter->fw_wait_cnt = 0; 3329aa43c215SJeff Kirsher 3330aa43c215SJeff Kirsher qlcnic_schedule_work(adapter, qlcnic_fwinit_work, FW_POLL_DELAY); 3331aa43c215SJeff Kirsher 3332aa43c215SJeff Kirsher return; 3333aa43c215SJeff Kirsher 3334aa43c215SJeff Kirsher err_ret: 3335aa43c215SJeff Kirsher netif_device_attach(netdev); 3336aa43c215SJeff Kirsher qlcnic_clr_all_drv_state(adapter, 1); 3337aa43c215SJeff Kirsher } 3338aa43c215SJeff Kirsher 3339aa43c215SJeff Kirsher /*Transit NPAR state to NON Operational */ 3340aa43c215SJeff Kirsher static void 3341aa43c215SJeff Kirsher qlcnic_set_npar_non_operational(struct qlcnic_adapter *adapter) 3342aa43c215SJeff Kirsher { 3343aa43c215SJeff Kirsher u32 state; 3344aa43c215SJeff Kirsher 3345a15ebd37SHimanshu Madhani state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_NPAR_STATE); 3346aa43c215SJeff Kirsher if (state == QLCNIC_DEV_NPAR_NON_OPER) 3347aa43c215SJeff Kirsher return; 3348aa43c215SJeff Kirsher 3349aa43c215SJeff Kirsher if (qlcnic_api_lock(adapter)) 3350aa43c215SJeff Kirsher return; 3351a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3352a15ebd37SHimanshu Madhani QLCNIC_DEV_NPAR_NON_OPER); 3353aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 3354aa43c215SJeff Kirsher } 3355aa43c215SJeff Kirsher 335621041400Sstephen hemminger static void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, 335721041400Sstephen hemminger u32 key) 3358aa43c215SJeff Kirsher { 3359646779f1SSritej Velaga u32 state, xg_val = 0, gb_val = 0; 3360aa43c215SJeff Kirsher 3361646779f1SSritej Velaga qlcnic_xg_set_xg0_mask(xg_val); 3362646779f1SSritej Velaga qlcnic_xg_set_xg1_mask(xg_val); 3363646779f1SSritej Velaga QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, xg_val); 3364646779f1SSritej Velaga qlcnic_gb_set_gb0_mask(gb_val); 3365646779f1SSritej Velaga qlcnic_gb_set_gb1_mask(gb_val); 3366646779f1SSritej Velaga qlcnic_gb_set_gb2_mask(gb_val); 3367646779f1SSritej Velaga qlcnic_gb_set_gb3_mask(gb_val); 3368646779f1SSritej Velaga QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, gb_val); 3369646779f1SSritej Velaga dev_info(&adapter->pdev->dev, "Pause control frames disabled" 3370646779f1SSritej Velaga " on all ports\n"); 3371aa43c215SJeff Kirsher adapter->need_fw_reset = 1; 337213159183SSony Chacko 3373aa43c215SJeff Kirsher if (qlcnic_api_lock(adapter)) 3374aa43c215SJeff Kirsher return; 3375aa43c215SJeff Kirsher 337613159183SSony Chacko state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 337778ea2d97SSucheta Chakraborty 337878ea2d97SSucheta Chakraborty if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { 337978ea2d97SSucheta Chakraborty netdev_err(adapter->netdev, "%s: Device is in non-operational state\n", 338066451615SSucheta Chakraborty __func__); 338166451615SSucheta Chakraborty qlcnic_api_unlock(adapter); 338266451615SSucheta Chakraborty 338366451615SSucheta Chakraborty return; 338466451615SSucheta Chakraborty } 3385aa43c215SJeff Kirsher 3386aa43c215SJeff Kirsher if (state == QLCNIC_DEV_READY) { 338713159183SSony Chacko QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 338813159183SSony Chacko QLCNIC_DEV_NEED_RESET); 3389aa43c215SJeff Kirsher adapter->flags |= QLCNIC_FW_RESET_OWNER; 3390aa43c215SJeff Kirsher QLCDB(adapter, DRV, "NEED_RESET state set\n"); 3391aa43c215SJeff Kirsher qlcnic_idc_debug_info(adapter, 0); 3392aa43c215SJeff Kirsher } 3393aa43c215SJeff Kirsher 339413159183SSony Chacko QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 339513159183SSony Chacko QLCNIC_DEV_NPAR_NON_OPER); 3396aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 3397aa43c215SJeff Kirsher } 3398aa43c215SJeff Kirsher 3399aa43c215SJeff Kirsher /* Transit to NPAR READY state from NPAR NOT READY state */ 3400aa43c215SJeff Kirsher static void 3401aa43c215SJeff Kirsher qlcnic_dev_set_npar_ready(struct qlcnic_adapter *adapter) 3402aa43c215SJeff Kirsher { 3403aa43c215SJeff Kirsher if (qlcnic_api_lock(adapter)) 3404aa43c215SJeff Kirsher return; 3405aa43c215SJeff Kirsher 3406a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_NPAR_STATE, 3407a15ebd37SHimanshu Madhani QLCNIC_DEV_NPAR_OPER); 3408aa43c215SJeff Kirsher QLCDB(adapter, DRV, "NPAR operational state set\n"); 3409aa43c215SJeff Kirsher 3410aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 3411aa43c215SJeff Kirsher } 3412aa43c215SJeff Kirsher 341313159183SSony Chacko void qlcnic_schedule_work(struct qlcnic_adapter *adapter, 3414aa43c215SJeff Kirsher work_func_t func, int delay) 3415aa43c215SJeff Kirsher { 3416aa43c215SJeff Kirsher if (test_bit(__QLCNIC_AER, &adapter->state)) 3417aa43c215SJeff Kirsher return; 3418aa43c215SJeff Kirsher 3419aa43c215SJeff Kirsher INIT_DELAYED_WORK(&adapter->fw_work, func); 342013159183SSony Chacko queue_delayed_work(adapter->qlcnic_wq, &adapter->fw_work, 3421aa43c215SJeff Kirsher round_jiffies_relative(delay)); 3422aa43c215SJeff Kirsher } 3423aa43c215SJeff Kirsher 3424aa43c215SJeff Kirsher static void 3425aa43c215SJeff Kirsher qlcnic_attach_work(struct work_struct *work) 3426aa43c215SJeff Kirsher { 3427aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = container_of(work, 3428aa43c215SJeff Kirsher struct qlcnic_adapter, fw_work.work); 3429aa43c215SJeff Kirsher struct net_device *netdev = adapter->netdev; 3430aa43c215SJeff Kirsher u32 npar_state; 3431aa43c215SJeff Kirsher 343279788450SSony Chacko if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { 3433a15ebd37SHimanshu Madhani npar_state = QLC_SHARED_REG_RD32(adapter, 3434a15ebd37SHimanshu Madhani QLCNIC_CRB_DEV_NPAR_STATE); 3435aa43c215SJeff Kirsher if (adapter->fw_wait_cnt++ > QLCNIC_DEV_NPAR_OPER_TIMEO) 3436aa43c215SJeff Kirsher qlcnic_clr_all_drv_state(adapter, 0); 3437aa43c215SJeff Kirsher else if (npar_state != QLCNIC_DEV_NPAR_OPER) 3438aa43c215SJeff Kirsher qlcnic_schedule_work(adapter, qlcnic_attach_work, 3439aa43c215SJeff Kirsher FW_POLL_DELAY); 3440aa43c215SJeff Kirsher else 3441aa43c215SJeff Kirsher goto attach; 3442aa43c215SJeff Kirsher QLCDB(adapter, DRV, "Waiting for NPAR state to operational\n"); 3443aa43c215SJeff Kirsher return; 3444aa43c215SJeff Kirsher } 3445aa43c215SJeff Kirsher attach: 34461de899d3SSucheta Chakraborty qlcnic_dcb_get_info(adapter->dcb); 344714d385b9SSucheta Chakraborty 3448aa43c215SJeff Kirsher if (netif_running(netdev)) { 3449aa43c215SJeff Kirsher if (qlcnic_up(adapter, netdev)) 3450aa43c215SJeff Kirsher goto done; 3451aa43c215SJeff Kirsher 3452aa43c215SJeff Kirsher qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3453aa43c215SJeff Kirsher } 3454aa43c215SJeff Kirsher 3455aa43c215SJeff Kirsher done: 3456aa43c215SJeff Kirsher netif_device_attach(netdev); 3457aa43c215SJeff Kirsher adapter->fw_fail_cnt = 0; 3458aa43c215SJeff Kirsher adapter->flags &= ~QLCNIC_FW_HANG; 3459aa43c215SJeff Kirsher clear_bit(__QLCNIC_RESETTING, &adapter->state); 346024866d15SHimanshu Madhani if (adapter->portnum == 0) 34618af3f33dSPratik Pujar qlcnic_set_drv_version(adapter); 3462aa43c215SJeff Kirsher 3463aa43c215SJeff Kirsher if (!qlcnic_clr_drv_state(adapter)) 3464aa43c215SJeff Kirsher qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3465aa43c215SJeff Kirsher FW_POLL_DELAY); 3466aa43c215SJeff Kirsher } 3467aa43c215SJeff Kirsher 3468aa43c215SJeff Kirsher static int 3469aa43c215SJeff Kirsher qlcnic_check_health(struct qlcnic_adapter *adapter) 3470aa43c215SJeff Kirsher { 3471891e71b1SPratik Pujar struct qlcnic_hardware_context *ahw = adapter->ahw; 3472891e71b1SPratik Pujar struct qlcnic_fw_dump *fw_dump = &ahw->fw_dump; 3473aa43c215SJeff Kirsher u32 state = 0, heartbeat; 3474853d4bcaSAmeen Rahman u32 peg_status; 34754bd8e738SHimanshu Madhani int err = 0; 3476aa43c215SJeff Kirsher 3477aa43c215SJeff Kirsher if (qlcnic_check_temp(adapter)) 3478aa43c215SJeff Kirsher goto detach; 3479aa43c215SJeff Kirsher 3480aa43c215SJeff Kirsher if (adapter->need_fw_reset) 34817e2cf4feSSony Chacko qlcnic_dev_request_reset(adapter, 0); 3482aa43c215SJeff Kirsher 3483a15ebd37SHimanshu Madhani state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3484aa43c215SJeff Kirsher if (state == QLCNIC_DEV_NEED_RESET) { 3485aa43c215SJeff Kirsher qlcnic_set_npar_non_operational(adapter); 3486aa43c215SJeff Kirsher adapter->need_fw_reset = 1; 3487aa43c215SJeff Kirsher } else if (state == QLCNIC_DEV_NEED_QUISCENT) 3488aa43c215SJeff Kirsher goto detach; 3489aa43c215SJeff Kirsher 3490a15ebd37SHimanshu Madhani heartbeat = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_ALIVE_COUNTER); 3491aa43c215SJeff Kirsher if (heartbeat != adapter->heartbeat) { 3492aa43c215SJeff Kirsher adapter->heartbeat = heartbeat; 3493aa43c215SJeff Kirsher adapter->fw_fail_cnt = 0; 3494aa43c215SJeff Kirsher if (adapter->need_fw_reset) 3495aa43c215SJeff Kirsher goto detach; 3496aa43c215SJeff Kirsher 3497891e71b1SPratik Pujar if (ahw->reset_context && qlcnic_auto_fw_reset) 3498aa43c215SJeff Kirsher qlcnic_reset_hw_context(adapter); 3499aa43c215SJeff Kirsher 3500aa43c215SJeff Kirsher return 0; 3501aa43c215SJeff Kirsher } 3502aa43c215SJeff Kirsher 3503aa43c215SJeff Kirsher if (++adapter->fw_fail_cnt < FW_FAIL_THRESH) 3504aa43c215SJeff Kirsher return 0; 3505aa43c215SJeff Kirsher 3506aa43c215SJeff Kirsher adapter->flags |= QLCNIC_FW_HANG; 3507aa43c215SJeff Kirsher 35087e2cf4feSSony Chacko qlcnic_dev_request_reset(adapter, 0); 3509aa43c215SJeff Kirsher 3510099f7aa7SSony Chacko if (qlcnic_auto_fw_reset) 3511aa43c215SJeff Kirsher clear_bit(__QLCNIC_FW_ATTACHED, &adapter->state); 3512aa43c215SJeff Kirsher 3513853d4bcaSAmeen Rahman dev_err(&adapter->pdev->dev, "firmware hang detected\n"); 3514a15ebd37SHimanshu Madhani peg_status = QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS1); 3515853d4bcaSAmeen Rahman dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n" 3516aa43c215SJeff Kirsher "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n" 3517aa43c215SJeff Kirsher "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n" 3518aa43c215SJeff Kirsher "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" 3519aa43c215SJeff Kirsher "PEG_NET_4_PC: 0x%x\n", 3520a15ebd37SHimanshu Madhani peg_status, 3521a15ebd37SHimanshu Madhani QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), 35224bd8e738SHimanshu Madhani QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), 35234bd8e738SHimanshu Madhani QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), 35244bd8e738SHimanshu Madhani QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), 35254bd8e738SHimanshu Madhani QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), 35264bd8e738SHimanshu Madhani QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); 352797048a1fSSritej Velaga if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) 3528853d4bcaSAmeen Rahman dev_err(&adapter->pdev->dev, 3529853d4bcaSAmeen Rahman "Firmware aborted with error code 0x00006700. " 3530853d4bcaSAmeen Rahman "Device is being reset.\n"); 3531aa43c215SJeff Kirsher detach: 3532aa43c215SJeff Kirsher adapter->dev_state = (state == QLCNIC_DEV_NEED_QUISCENT) ? state : 3533aa43c215SJeff Kirsher QLCNIC_DEV_NEED_RESET; 3534aa43c215SJeff Kirsher 3535099f7aa7SSony Chacko if (qlcnic_auto_fw_reset && !test_and_set_bit(__QLCNIC_RESETTING, 3536099f7aa7SSony Chacko &adapter->state)) { 3537aa43c215SJeff Kirsher 3538aa43c215SJeff Kirsher qlcnic_schedule_work(adapter, qlcnic_detach_work, 0); 3539aa43c215SJeff Kirsher QLCDB(adapter, DRV, "fw recovery scheduled.\n"); 3540891e71b1SPratik Pujar } else if (!qlcnic_auto_fw_reset && fw_dump->enable && 3541891e71b1SPratik Pujar adapter->flags & QLCNIC_FW_RESET_OWNER) { 3542891e71b1SPratik Pujar qlcnic_dump_fw(adapter); 3543aa43c215SJeff Kirsher } 3544aa43c215SJeff Kirsher 3545aa43c215SJeff Kirsher return 1; 3546aa43c215SJeff Kirsher } 3547aa43c215SJeff Kirsher 3548486a5bc7SRajesh Borundia void qlcnic_fw_poll_work(struct work_struct *work) 3549aa43c215SJeff Kirsher { 3550aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = container_of(work, 3551aa43c215SJeff Kirsher struct qlcnic_adapter, fw_work.work); 3552aa43c215SJeff Kirsher 3553aa43c215SJeff Kirsher if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3554aa43c215SJeff Kirsher goto reschedule; 3555aa43c215SJeff Kirsher 3556aa43c215SJeff Kirsher 3557aa43c215SJeff Kirsher if (qlcnic_check_health(adapter)) 3558aa43c215SJeff Kirsher return; 3559aa43c215SJeff Kirsher 3560aa43c215SJeff Kirsher if (adapter->fhash.fnum) 3561aa43c215SJeff Kirsher qlcnic_prune_lb_filters(adapter); 3562aa43c215SJeff Kirsher 3563aa43c215SJeff Kirsher reschedule: 3564aa43c215SJeff Kirsher qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, FW_POLL_DELAY); 3565aa43c215SJeff Kirsher } 3566aa43c215SJeff Kirsher 3567aa43c215SJeff Kirsher static int qlcnic_is_first_func(struct pci_dev *pdev) 3568aa43c215SJeff Kirsher { 3569aa43c215SJeff Kirsher struct pci_dev *oth_pdev; 3570aa43c215SJeff Kirsher int val = pdev->devfn; 3571aa43c215SJeff Kirsher 3572aa43c215SJeff Kirsher while (val-- > 0) { 3573aa43c215SJeff Kirsher oth_pdev = pci_get_domain_bus_and_slot(pci_domain_nr 3574aa43c215SJeff Kirsher (pdev->bus), pdev->bus->number, 3575aa43c215SJeff Kirsher PCI_DEVFN(PCI_SLOT(pdev->devfn), val)); 3576aa43c215SJeff Kirsher if (!oth_pdev) 3577aa43c215SJeff Kirsher continue; 3578aa43c215SJeff Kirsher 3579aa43c215SJeff Kirsher if (oth_pdev->current_state != PCI_D3cold) { 3580aa43c215SJeff Kirsher pci_dev_put(oth_pdev); 3581aa43c215SJeff Kirsher return 0; 3582aa43c215SJeff Kirsher } 3583aa43c215SJeff Kirsher pci_dev_put(oth_pdev); 3584aa43c215SJeff Kirsher } 3585aa43c215SJeff Kirsher return 1; 3586aa43c215SJeff Kirsher } 3587aa43c215SJeff Kirsher 3588aa43c215SJeff Kirsher static int qlcnic_attach_func(struct pci_dev *pdev) 3589aa43c215SJeff Kirsher { 3590aa43c215SJeff Kirsher int err, first_func; 3591aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3592aa43c215SJeff Kirsher struct net_device *netdev = adapter->netdev; 3593aa43c215SJeff Kirsher 3594aa43c215SJeff Kirsher pdev->error_state = pci_channel_io_normal; 3595aa43c215SJeff Kirsher 3596aa43c215SJeff Kirsher err = pci_enable_device(pdev); 3597aa43c215SJeff Kirsher if (err) 3598aa43c215SJeff Kirsher return err; 3599aa43c215SJeff Kirsher 3600aa43c215SJeff Kirsher pci_set_master(pdev); 3601aa43c215SJeff Kirsher pci_restore_state(pdev); 3602aa43c215SJeff Kirsher 3603aa43c215SJeff Kirsher first_func = qlcnic_is_first_func(pdev); 3604aa43c215SJeff Kirsher 3605aa43c215SJeff Kirsher if (qlcnic_api_lock(adapter)) 3606aa43c215SJeff Kirsher return -EINVAL; 3607aa43c215SJeff Kirsher 360879788450SSony Chacko if (adapter->ahw->op_mode != QLCNIC_NON_PRIV_FUNC && first_func) { 3609aa43c215SJeff Kirsher adapter->need_fw_reset = 1; 3610aa43c215SJeff Kirsher set_bit(__QLCNIC_START_FW, &adapter->state); 3611a15ebd37SHimanshu Madhani QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, 3612a15ebd37SHimanshu Madhani QLCNIC_DEV_INITIALIZING); 3613aa43c215SJeff Kirsher QLCDB(adapter, DRV, "Restarting fw\n"); 3614aa43c215SJeff Kirsher } 3615aa43c215SJeff Kirsher qlcnic_api_unlock(adapter); 3616aa43c215SJeff Kirsher 361713159183SSony Chacko err = qlcnic_start_firmware(adapter); 3618aa43c215SJeff Kirsher if (err) 3619aa43c215SJeff Kirsher return err; 3620aa43c215SJeff Kirsher 3621aa43c215SJeff Kirsher qlcnic_clr_drv_state(adapter); 362213159183SSony Chacko kfree(adapter->msix_entries); 362313159183SSony Chacko adapter->msix_entries = NULL; 362434e8c406SHimanshu Madhani err = qlcnic_setup_intr(adapter); 362513159183SSony Chacko 36269a97e705SManish chopra if (err) { 36279a97e705SManish chopra kfree(adapter->msix_entries); 36289a97e705SManish chopra netdev_err(netdev, "failed to setup interrupt\n"); 36299a97e705SManish chopra return err; 36309a97e705SManish chopra } 36319a97e705SManish chopra 3632aa43c215SJeff Kirsher if (netif_running(netdev)) { 3633aa43c215SJeff Kirsher err = qlcnic_attach(adapter); 3634aa43c215SJeff Kirsher if (err) { 3635aa43c215SJeff Kirsher qlcnic_clr_all_drv_state(adapter, 1); 3636aa43c215SJeff Kirsher clear_bit(__QLCNIC_AER, &adapter->state); 3637aa43c215SJeff Kirsher netif_device_attach(netdev); 3638aa43c215SJeff Kirsher return err; 3639aa43c215SJeff Kirsher } 3640aa43c215SJeff Kirsher 3641aa43c215SJeff Kirsher err = qlcnic_up(adapter, netdev); 3642aa43c215SJeff Kirsher if (err) 3643aa43c215SJeff Kirsher goto done; 3644aa43c215SJeff Kirsher 3645aa43c215SJeff Kirsher qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3646aa43c215SJeff Kirsher } 3647aa43c215SJeff Kirsher done: 3648aa43c215SJeff Kirsher netif_device_attach(netdev); 3649aa43c215SJeff Kirsher return err; 3650aa43c215SJeff Kirsher } 3651aa43c215SJeff Kirsher 365221041400Sstephen hemminger static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev, 3653aa43c215SJeff Kirsher pci_channel_state_t state) 3654aa43c215SJeff Kirsher { 3655aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3656aa43c215SJeff Kirsher struct net_device *netdev = adapter->netdev; 3657aa43c215SJeff Kirsher 3658aa43c215SJeff Kirsher if (state == pci_channel_io_perm_failure) 3659aa43c215SJeff Kirsher return PCI_ERS_RESULT_DISCONNECT; 3660aa43c215SJeff Kirsher 3661aa43c215SJeff Kirsher if (state == pci_channel_io_normal) 3662aa43c215SJeff Kirsher return PCI_ERS_RESULT_RECOVERED; 3663aa43c215SJeff Kirsher 3664aa43c215SJeff Kirsher set_bit(__QLCNIC_AER, &adapter->state); 3665aa43c215SJeff Kirsher netif_device_detach(netdev); 3666aa43c215SJeff Kirsher 3667aa43c215SJeff Kirsher cancel_delayed_work_sync(&adapter->fw_work); 3668aa43c215SJeff Kirsher 3669aa43c215SJeff Kirsher if (netif_running(netdev)) 3670aa43c215SJeff Kirsher qlcnic_down(adapter, netdev); 3671aa43c215SJeff Kirsher 3672aa43c215SJeff Kirsher qlcnic_detach(adapter); 3673aa43c215SJeff Kirsher qlcnic_teardown_intr(adapter); 3674aa43c215SJeff Kirsher 3675aa43c215SJeff Kirsher clear_bit(__QLCNIC_RESETTING, &adapter->state); 3676aa43c215SJeff Kirsher 3677aa43c215SJeff Kirsher pci_save_state(pdev); 3678aa43c215SJeff Kirsher pci_disable_device(pdev); 3679aa43c215SJeff Kirsher 3680aa43c215SJeff Kirsher return PCI_ERS_RESULT_NEED_RESET; 3681aa43c215SJeff Kirsher } 3682aa43c215SJeff Kirsher 368321041400Sstephen hemminger static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev) 3684aa43c215SJeff Kirsher { 3685aa43c215SJeff Kirsher return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT : 3686aa43c215SJeff Kirsher PCI_ERS_RESULT_RECOVERED; 3687aa43c215SJeff Kirsher } 3688aa43c215SJeff Kirsher 368921041400Sstephen hemminger static void qlcnic_82xx_io_resume(struct pci_dev *pdev) 3690aa43c215SJeff Kirsher { 3691a15ebd37SHimanshu Madhani u32 state; 3692aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 3693aa43c215SJeff Kirsher 3694aa43c215SJeff Kirsher pci_cleanup_aer_uncorrect_error_status(pdev); 3695a15ebd37SHimanshu Madhani state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); 3696a15ebd37SHimanshu Madhani if (state == QLCNIC_DEV_READY && test_and_clear_bit(__QLCNIC_AER, 3697a15ebd37SHimanshu Madhani &adapter->state)) 3698aa43c215SJeff Kirsher qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, 3699aa43c215SJeff Kirsher FW_POLL_DELAY); 3700aa43c215SJeff Kirsher } 3701aa43c215SJeff Kirsher 37024460f2e8SPratik Pujar static pci_ers_result_t qlcnic_io_error_detected(struct pci_dev *pdev, 37034460f2e8SPratik Pujar pci_channel_state_t state) 37044460f2e8SPratik Pujar { 37054460f2e8SPratik Pujar struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 37064460f2e8SPratik Pujar struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 37074460f2e8SPratik Pujar 37084460f2e8SPratik Pujar if (hw_ops->io_error_detected) { 37094460f2e8SPratik Pujar return hw_ops->io_error_detected(pdev, state); 37104460f2e8SPratik Pujar } else { 37114460f2e8SPratik Pujar dev_err(&pdev->dev, "AER error_detected handler not registered.\n"); 37124460f2e8SPratik Pujar return PCI_ERS_RESULT_DISCONNECT; 37134460f2e8SPratik Pujar } 37144460f2e8SPratik Pujar } 37154460f2e8SPratik Pujar 37164460f2e8SPratik Pujar static pci_ers_result_t qlcnic_io_slot_reset(struct pci_dev *pdev) 37174460f2e8SPratik Pujar { 37184460f2e8SPratik Pujar struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 37194460f2e8SPratik Pujar struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 37204460f2e8SPratik Pujar 37214460f2e8SPratik Pujar if (hw_ops->io_slot_reset) { 37224460f2e8SPratik Pujar return hw_ops->io_slot_reset(pdev); 37234460f2e8SPratik Pujar } else { 37244460f2e8SPratik Pujar dev_err(&pdev->dev, "AER slot_reset handler not registered.\n"); 37254460f2e8SPratik Pujar return PCI_ERS_RESULT_DISCONNECT; 37264460f2e8SPratik Pujar } 37274460f2e8SPratik Pujar } 37284460f2e8SPratik Pujar 37294460f2e8SPratik Pujar static void qlcnic_io_resume(struct pci_dev *pdev) 37304460f2e8SPratik Pujar { 37314460f2e8SPratik Pujar struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); 37324460f2e8SPratik Pujar struct qlcnic_hardware_ops *hw_ops = adapter->ahw->hw_ops; 37334460f2e8SPratik Pujar 37344460f2e8SPratik Pujar if (hw_ops->io_resume) 37354460f2e8SPratik Pujar hw_ops->io_resume(pdev); 37364460f2e8SPratik Pujar else 37374460f2e8SPratik Pujar dev_err(&pdev->dev, "AER resume handler not registered.\n"); 37384460f2e8SPratik Pujar } 37394460f2e8SPratik Pujar 37404460f2e8SPratik Pujar 3741aa43c215SJeff Kirsher static int 3742aa43c215SJeff Kirsher qlcnicvf_start_firmware(struct qlcnic_adapter *adapter) 3743aa43c215SJeff Kirsher { 3744aa43c215SJeff Kirsher int err; 3745aa43c215SJeff Kirsher 3746aa43c215SJeff Kirsher err = qlcnic_can_start_firmware(adapter); 3747aa43c215SJeff Kirsher if (err) 3748aa43c215SJeff Kirsher return err; 3749aa43c215SJeff Kirsher 3750aa43c215SJeff Kirsher err = qlcnic_check_npar_opertional(adapter); 3751aa43c215SJeff Kirsher if (err) 3752aa43c215SJeff Kirsher return err; 3753aa43c215SJeff Kirsher 3754aa43c215SJeff Kirsher err = qlcnic_initialize_nic(adapter); 3755aa43c215SJeff Kirsher if (err) 3756aa43c215SJeff Kirsher return err; 3757aa43c215SJeff Kirsher 3758aa43c215SJeff Kirsher qlcnic_check_options(adapter); 3759aa43c215SJeff Kirsher 3760aa43c215SJeff Kirsher err = qlcnic_set_eswitch_port_config(adapter); 3761aa43c215SJeff Kirsher if (err) 3762aa43c215SJeff Kirsher return err; 3763aa43c215SJeff Kirsher 3764aa43c215SJeff Kirsher adapter->need_fw_reset = 0; 3765aa43c215SJeff Kirsher 3766aa43c215SJeff Kirsher return err; 3767aa43c215SJeff Kirsher } 3768aa43c215SJeff Kirsher 376934e8c406SHimanshu Madhani int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt, 377034e8c406SHimanshu Madhani int queue_type) 3771aa4a1f7dSHimanshu Madhani { 3772aa4a1f7dSHimanshu Madhani struct net_device *netdev = adapter->netdev; 377334e8c406SHimanshu Madhani u8 max_hw_rings = 0; 377434e8c406SHimanshu Madhani char buf[8]; 377534e8c406SHimanshu Madhani int cur_rings; 377634e8c406SHimanshu Madhani 377734e8c406SHimanshu Madhani if (queue_type == QLCNIC_RX_QUEUE) { 377834e8c406SHimanshu Madhani max_hw_rings = adapter->max_sds_rings; 377934e8c406SHimanshu Madhani cur_rings = adapter->drv_sds_rings; 378034e8c406SHimanshu Madhani strcpy(buf, "SDS"); 378134e8c406SHimanshu Madhani } else if (queue_type == QLCNIC_TX_QUEUE) { 378234e8c406SHimanshu Madhani max_hw_rings = adapter->max_tx_rings; 378334e8c406SHimanshu Madhani cur_rings = adapter->drv_tx_rings; 378434e8c406SHimanshu Madhani strcpy(buf, "Tx"); 378534e8c406SHimanshu Madhani } 3786aa4a1f7dSHimanshu Madhani 3787aa4a1f7dSHimanshu Madhani if (!qlcnic_use_msi_x && !qlcnic_use_msi) { 378834e8c406SHimanshu Madhani netdev_err(netdev, "No RSS/TSS support in INT-x mode\n"); 3789aa4a1f7dSHimanshu Madhani return -EINVAL; 3790aa4a1f7dSHimanshu Madhani } 3791aa4a1f7dSHimanshu Madhani 379234e8c406SHimanshu Madhani if (adapter->flags & QLCNIC_MSI_ENABLED) { 379334e8c406SHimanshu Madhani netdev_err(netdev, "No RSS/TSS support in MSI mode\n"); 3794aa4a1f7dSHimanshu Madhani return -EINVAL; 3795aa4a1f7dSHimanshu Madhani } 3796aa4a1f7dSHimanshu Madhani 379734e8c406SHimanshu Madhani if (!is_power_of_2(ring_cnt)) { 379834e8c406SHimanshu Madhani netdev_err(netdev, "%s rings value should be a power of 2\n", 379934e8c406SHimanshu Madhani buf); 380034e8c406SHimanshu Madhani return -EINVAL; 380134e8c406SHimanshu Madhani } 380234e8c406SHimanshu Madhani 380334e8c406SHimanshu Madhani if (qlcnic_82xx_check(adapter) && (queue_type == QLCNIC_TX_QUEUE) && 380434e8c406SHimanshu Madhani !qlcnic_check_multi_tx(adapter)) { 380534e8c406SHimanshu Madhani netdev_err(netdev, "No Multi Tx queue support\n"); 380634e8c406SHimanshu Madhani return -EINVAL; 380734e8c406SHimanshu Madhani } 380834e8c406SHimanshu Madhani 380934e8c406SHimanshu Madhani if (ring_cnt > num_online_cpus()) { 3810aa4a1f7dSHimanshu Madhani netdev_err(netdev, 381134e8c406SHimanshu Madhani "%s value[%u] should not be higher than, number of online CPUs\n", 381234e8c406SHimanshu Madhani buf, num_online_cpus()); 3813aa4a1f7dSHimanshu Madhani return -EINVAL; 3814aa4a1f7dSHimanshu Madhani } 3815aa4a1f7dSHimanshu Madhani 3816aa4a1f7dSHimanshu Madhani return 0; 3817aa4a1f7dSHimanshu Madhani } 3818aa4a1f7dSHimanshu Madhani 381934e8c406SHimanshu Madhani int qlcnic_setup_rings(struct qlcnic_adapter *adapter, u8 rx_cnt, u8 tx_cnt) 3820aa43c215SJeff Kirsher { 38216389b76dSManish Chopra struct net_device *netdev = adapter->netdev; 382213159183SSony Chacko int err; 3823aa43c215SJeff Kirsher 3824319ecf12SSony Chacko if (test_bit(__QLCNIC_RESETTING, &adapter->state)) 3825319ecf12SSony Chacko return -EBUSY; 3826319ecf12SSony Chacko 3827aa43c215SJeff Kirsher netif_device_detach(netdev); 3828aa43c215SJeff Kirsher if (netif_running(netdev)) 3829aa43c215SJeff Kirsher __qlcnic_down(adapter, netdev); 383013159183SSony Chacko 3831aa43c215SJeff Kirsher qlcnic_detach(adapter); 38327dd90cf1SSucheta Chakraborty 38337ed3ce48SRajesh Borundia if (qlcnic_83xx_check(adapter)) { 38347dd90cf1SSucheta Chakraborty qlcnic_83xx_free_mbx_intr(adapter); 38357ed3ce48SRajesh Borundia qlcnic_83xx_enable_mbx_poll(adapter); 38367ed3ce48SRajesh Borundia } 38377dd90cf1SSucheta Chakraborty 3838aa43c215SJeff Kirsher qlcnic_teardown_intr(adapter); 3839aa4a1f7dSHimanshu Madhani 384034e8c406SHimanshu Madhani /* compute and set default and max tx/sds rings */ 384134e8c406SHimanshu Madhani qlcnic_set_tx_ring_count(adapter, tx_cnt); 384234e8c406SHimanshu Madhani qlcnic_set_sds_ring_count(adapter, rx_cnt); 384334e8c406SHimanshu Madhani 384434e8c406SHimanshu Madhani netif_set_real_num_tx_queues(netdev, adapter->drv_tx_rings); 384534e8c406SHimanshu Madhani 384634e8c406SHimanshu Madhani err = qlcnic_setup_intr(adapter); 38479a97e705SManish chopra if (err) { 38489a97e705SManish chopra kfree(adapter->msix_entries); 38499a97e705SManish chopra netdev_err(netdev, "failed to setup interrupt\n"); 38509a97e705SManish chopra return err; 38519a97e705SManish chopra } 3852aa43c215SJeff Kirsher 385313159183SSony Chacko if (qlcnic_83xx_check(adapter)) { 38549b0fff2aSSucheta Chakraborty qlcnic_83xx_initialize_nic(adapter, 1); 385513159183SSony Chacko err = qlcnic_83xx_setup_mbx_intr(adapter); 38567ed3ce48SRajesh Borundia qlcnic_83xx_disable_mbx_poll(adapter); 385713159183SSony Chacko if (err) { 385813159183SSony Chacko dev_err(&adapter->pdev->dev, 385913159183SSony Chacko "failed to setup mbx interrupt\n"); 386013159183SSony Chacko goto done; 386113159183SSony Chacko } 3862aa43c215SJeff Kirsher } 3863aa43c215SJeff Kirsher 3864aa43c215SJeff Kirsher if (netif_running(netdev)) { 3865aa43c215SJeff Kirsher err = qlcnic_attach(adapter); 3866aa43c215SJeff Kirsher if (err) 3867aa43c215SJeff Kirsher goto done; 3868aa43c215SJeff Kirsher err = __qlcnic_up(adapter, netdev); 3869aa43c215SJeff Kirsher if (err) 3870aa43c215SJeff Kirsher goto done; 3871aa43c215SJeff Kirsher qlcnic_restore_indev_addr(netdev, NETDEV_UP); 3872aa43c215SJeff Kirsher } 3873aa43c215SJeff Kirsher done: 3874aa43c215SJeff Kirsher netif_device_attach(netdev); 3875aa43c215SJeff Kirsher clear_bit(__QLCNIC_RESETTING, &adapter->state); 3876aa43c215SJeff Kirsher return err; 3877aa43c215SJeff Kirsher } 3878aa43c215SJeff Kirsher 3879aa43c215SJeff Kirsher #ifdef CONFIG_INET 3880aa43c215SJeff Kirsher 3881aa43c215SJeff Kirsher #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) 3882aa43c215SJeff Kirsher 3883aa43c215SJeff Kirsher static void 3884aa43c215SJeff Kirsher qlcnic_config_indev_addr(struct qlcnic_adapter *adapter, 3885aa43c215SJeff Kirsher struct net_device *dev, unsigned long event) 3886aa43c215SJeff Kirsher { 3887aa43c215SJeff Kirsher struct in_device *indev; 3888aa43c215SJeff Kirsher 3889aa43c215SJeff Kirsher indev = in_dev_get(dev); 3890aa43c215SJeff Kirsher if (!indev) 3891aa43c215SJeff Kirsher return; 3892aa43c215SJeff Kirsher 3893aa43c215SJeff Kirsher for_ifa(indev) { 3894aa43c215SJeff Kirsher switch (event) { 3895aa43c215SJeff Kirsher case NETDEV_UP: 3896aa43c215SJeff Kirsher qlcnic_config_ipaddr(adapter, 3897aa43c215SJeff Kirsher ifa->ifa_address, QLCNIC_IP_UP); 3898aa43c215SJeff Kirsher break; 3899aa43c215SJeff Kirsher case NETDEV_DOWN: 3900aa43c215SJeff Kirsher qlcnic_config_ipaddr(adapter, 3901aa43c215SJeff Kirsher ifa->ifa_address, QLCNIC_IP_DOWN); 3902aa43c215SJeff Kirsher break; 3903aa43c215SJeff Kirsher default: 3904aa43c215SJeff Kirsher break; 3905aa43c215SJeff Kirsher } 3906aa43c215SJeff Kirsher } endfor_ifa(indev); 3907aa43c215SJeff Kirsher 3908aa43c215SJeff Kirsher in_dev_put(indev); 3909aa43c215SJeff Kirsher } 3910aa43c215SJeff Kirsher 3911319ecf12SSony Chacko void qlcnic_restore_indev_addr(struct net_device *netdev, unsigned long event) 3912aa43c215SJeff Kirsher { 3913aa43c215SJeff Kirsher struct qlcnic_adapter *adapter = netdev_priv(netdev); 3914aa43c215SJeff Kirsher struct net_device *dev; 3915aa43c215SJeff Kirsher u16 vid; 3916aa43c215SJeff Kirsher 3917aa43c215SJeff Kirsher qlcnic_config_indev_addr(adapter, netdev, event); 3918aa43c215SJeff Kirsher 391943c00a75SJiri Pirko rcu_read_lock(); 3920aa43c215SJeff Kirsher for_each_set_bit(vid, adapter->vlans, VLAN_N_VID) { 39211fd9b1fcSPatrick McHardy dev = __vlan_find_dev_deep(netdev, htons(ETH_P_8021Q), vid); 3922aa43c215SJeff Kirsher if (!dev) 3923aa43c215SJeff Kirsher continue; 3924aa43c215SJeff Kirsher qlcnic_config_indev_addr(adapter, dev, event); 3925aa43c215SJeff Kirsher } 392643c00a75SJiri Pirko rcu_read_unlock(); 3927aa43c215SJeff Kirsher } 3928aa43c215SJeff Kirsher 3929aa43c215SJeff Kirsher static int qlcnic_netdev_event(struct notifier_block *this, 3930aa43c215SJeff Kirsher unsigned long event, void *ptr) 3931aa43c215SJeff Kirsher { 3932aa43c215SJeff Kirsher struct qlcnic_adapter *adapter; 3933351638e7SJiri Pirko struct net_device *dev = netdev_notifier_info_to_dev(ptr); 3934aa43c215SJeff Kirsher 3935aa43c215SJeff Kirsher recheck: 3936aa43c215SJeff Kirsher if (dev == NULL) 3937aa43c215SJeff Kirsher goto done; 3938aa43c215SJeff Kirsher 3939aa43c215SJeff Kirsher if (dev->priv_flags & IFF_802_1Q_VLAN) { 3940aa43c215SJeff Kirsher dev = vlan_dev_real_dev(dev); 3941aa43c215SJeff Kirsher goto recheck; 3942aa43c215SJeff Kirsher } 3943aa43c215SJeff Kirsher 3944aa43c215SJeff Kirsher if (!is_qlcnic_netdev(dev)) 3945aa43c215SJeff Kirsher goto done; 3946aa43c215SJeff Kirsher 3947aa43c215SJeff Kirsher adapter = netdev_priv(dev); 3948aa43c215SJeff Kirsher 3949aa43c215SJeff Kirsher if (!adapter) 3950aa43c215SJeff Kirsher goto done; 3951aa43c215SJeff Kirsher 3952aa43c215SJeff Kirsher if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3953aa43c215SJeff Kirsher goto done; 3954aa43c215SJeff Kirsher 3955aa43c215SJeff Kirsher qlcnic_config_indev_addr(adapter, dev, event); 3956aa43c215SJeff Kirsher done: 3957aa43c215SJeff Kirsher return NOTIFY_DONE; 3958aa43c215SJeff Kirsher } 3959aa43c215SJeff Kirsher 3960aa43c215SJeff Kirsher static int 3961aa43c215SJeff Kirsher qlcnic_inetaddr_event(struct notifier_block *this, 3962aa43c215SJeff Kirsher unsigned long event, void *ptr) 3963aa43c215SJeff Kirsher { 3964aa43c215SJeff Kirsher struct qlcnic_adapter *adapter; 3965aa43c215SJeff Kirsher struct net_device *dev; 3966aa43c215SJeff Kirsher 3967aa43c215SJeff Kirsher struct in_ifaddr *ifa = (struct in_ifaddr *)ptr; 3968aa43c215SJeff Kirsher 3969aa43c215SJeff Kirsher dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL; 3970aa43c215SJeff Kirsher 3971aa43c215SJeff Kirsher recheck: 3972aa43c215SJeff Kirsher if (dev == NULL) 3973aa43c215SJeff Kirsher goto done; 3974aa43c215SJeff Kirsher 3975aa43c215SJeff Kirsher if (dev->priv_flags & IFF_802_1Q_VLAN) { 3976aa43c215SJeff Kirsher dev = vlan_dev_real_dev(dev); 3977aa43c215SJeff Kirsher goto recheck; 3978aa43c215SJeff Kirsher } 3979aa43c215SJeff Kirsher 3980aa43c215SJeff Kirsher if (!is_qlcnic_netdev(dev)) 3981aa43c215SJeff Kirsher goto done; 3982aa43c215SJeff Kirsher 3983aa43c215SJeff Kirsher adapter = netdev_priv(dev); 3984aa43c215SJeff Kirsher 3985aa43c215SJeff Kirsher if (!adapter) 3986aa43c215SJeff Kirsher goto done; 3987aa43c215SJeff Kirsher 3988aa43c215SJeff Kirsher if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) 3989aa43c215SJeff Kirsher goto done; 3990aa43c215SJeff Kirsher 3991aa43c215SJeff Kirsher switch (event) { 3992aa43c215SJeff Kirsher case NETDEV_UP: 3993aa43c215SJeff Kirsher qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_UP); 399413159183SSony Chacko 3995aa43c215SJeff Kirsher break; 3996aa43c215SJeff Kirsher case NETDEV_DOWN: 3997aa43c215SJeff Kirsher qlcnic_config_ipaddr(adapter, ifa->ifa_address, QLCNIC_IP_DOWN); 399813159183SSony Chacko 3999aa43c215SJeff Kirsher break; 4000aa43c215SJeff Kirsher default: 4001aa43c215SJeff Kirsher break; 4002aa43c215SJeff Kirsher } 4003aa43c215SJeff Kirsher 4004aa43c215SJeff Kirsher done: 4005aa43c215SJeff Kirsher return NOTIFY_DONE; 4006aa43c215SJeff Kirsher } 4007aa43c215SJeff Kirsher 4008aa43c215SJeff Kirsher static struct notifier_block qlcnic_netdev_cb = { 4009aa43c215SJeff Kirsher .notifier_call = qlcnic_netdev_event, 4010aa43c215SJeff Kirsher }; 4011aa43c215SJeff Kirsher 4012aa43c215SJeff Kirsher static struct notifier_block qlcnic_inetaddr_cb = { 4013aa43c215SJeff Kirsher .notifier_call = qlcnic_inetaddr_event, 4014aa43c215SJeff Kirsher }; 4015aa43c215SJeff Kirsher #else 4016f8ca2b6fSSony Chacko void qlcnic_restore_indev_addr(struct net_device *dev, unsigned long event) 4017aa43c215SJeff Kirsher { } 4018aa43c215SJeff Kirsher #endif 4019fec9dd15SStephen Hemminger static const struct pci_error_handlers qlcnic_err_handler = { 4020aa43c215SJeff Kirsher .error_detected = qlcnic_io_error_detected, 4021aa43c215SJeff Kirsher .slot_reset = qlcnic_io_slot_reset, 4022aa43c215SJeff Kirsher .resume = qlcnic_io_resume, 4023aa43c215SJeff Kirsher }; 4024aa43c215SJeff Kirsher 4025aa43c215SJeff Kirsher static struct pci_driver qlcnic_driver = { 4026aa43c215SJeff Kirsher .name = qlcnic_driver_name, 4027aa43c215SJeff Kirsher .id_table = qlcnic_pci_tbl, 4028aa43c215SJeff Kirsher .probe = qlcnic_probe, 40296bb58bb0SBill Pemberton .remove = qlcnic_remove, 4030aa43c215SJeff Kirsher #ifdef CONFIG_PM 4031aa43c215SJeff Kirsher .suspend = qlcnic_suspend, 4032aa43c215SJeff Kirsher .resume = qlcnic_resume, 4033aa43c215SJeff Kirsher #endif 4034aa43c215SJeff Kirsher .shutdown = qlcnic_shutdown, 403502feda17SRajesh Borundia .err_handler = &qlcnic_err_handler, 403602feda17SRajesh Borundia #ifdef CONFIG_QLCNIC_SRIOV 403702feda17SRajesh Borundia .sriov_configure = qlcnic_pci_sriov_configure, 403802feda17SRajesh Borundia #endif 4039aa43c215SJeff Kirsher 4040aa43c215SJeff Kirsher }; 4041aa43c215SJeff Kirsher 4042aa43c215SJeff Kirsher static int __init qlcnic_init_module(void) 4043aa43c215SJeff Kirsher { 4044aa43c215SJeff Kirsher int ret; 4045aa43c215SJeff Kirsher 4046aa43c215SJeff Kirsher printk(KERN_INFO "%s\n", qlcnic_driver_string); 4047aa43c215SJeff Kirsher 4048aa43c215SJeff Kirsher #ifdef CONFIG_INET 4049aa43c215SJeff Kirsher register_netdevice_notifier(&qlcnic_netdev_cb); 4050aa43c215SJeff Kirsher register_inetaddr_notifier(&qlcnic_inetaddr_cb); 4051aa43c215SJeff Kirsher #endif 4052aa43c215SJeff Kirsher 4053aa43c215SJeff Kirsher ret = pci_register_driver(&qlcnic_driver); 4054aa43c215SJeff Kirsher if (ret) { 4055aa43c215SJeff Kirsher #ifdef CONFIG_INET 4056aa43c215SJeff Kirsher unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4057aa43c215SJeff Kirsher unregister_netdevice_notifier(&qlcnic_netdev_cb); 4058aa43c215SJeff Kirsher #endif 4059aa43c215SJeff Kirsher } 4060aa43c215SJeff Kirsher 4061aa43c215SJeff Kirsher return ret; 4062aa43c215SJeff Kirsher } 4063aa43c215SJeff Kirsher 4064aa43c215SJeff Kirsher module_init(qlcnic_init_module); 4065aa43c215SJeff Kirsher 4066aa43c215SJeff Kirsher static void __exit qlcnic_exit_module(void) 4067aa43c215SJeff Kirsher { 4068aa43c215SJeff Kirsher pci_unregister_driver(&qlcnic_driver); 4069aa43c215SJeff Kirsher 4070aa43c215SJeff Kirsher #ifdef CONFIG_INET 4071aa43c215SJeff Kirsher unregister_inetaddr_notifier(&qlcnic_inetaddr_cb); 4072aa43c215SJeff Kirsher unregister_netdevice_notifier(&qlcnic_netdev_cb); 4073aa43c215SJeff Kirsher #endif 4074aa43c215SJeff Kirsher } 4075aa43c215SJeff Kirsher 4076aa43c215SJeff Kirsher module_exit(qlcnic_exit_module); 4077