/* * This file is provided under a CDDLv1 license. When using or * redistributing this file, you may do so under this license. * In redistributing this file this license must be included * and no other modification of this header file is permitted. * * CDDL LICENSE SUMMARY * * Copyright(c) 1999 - 2009 Intel Corporation. All rights reserved. * * The contents of this file are subject to the terms of Version * 1.0 of the Common Development and Distribution License (the "License"). * * You should have received a copy of the License with this software. * You can obtain a copy of the License at * http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. */ /* * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. */ /* * Copyright 2012 DEY Storage Systems, Inc. All rights reserved. * Copyright 2013 Nexenta Systems, Inc. All rights reserved. * Copyright (c) 2018, Joyent, Inc. * Copyright 2024 Oxide Computer Company */ /* * ********************************************************************** * * * Module Name: * * e1000g_main.c * * * * Abstract: * * This file contains the interface routines for the solaris OS. * * It has all DDI entry point routines and GLD entry point routines. * * * * This file also contains routines that take care of initialization * * uninit routine and interrupt routine. * * * * ********************************************************************** */ #include #include #include "e1000g_sw.h" #include "e1000g_debug.h" static char ident[] = "Intel PRO/1000 Ethernet"; /* LINTED E_STATIC_UNUSED */ static char e1000g_version[] = "Driver Ver. 5.4.00"; /* * Proto types for DDI entry points */ static int e1000g_attach(dev_info_t *, ddi_attach_cmd_t); static int e1000g_detach(dev_info_t *, ddi_detach_cmd_t); static int e1000g_quiesce(dev_info_t *); /* * init and intr routines prototype */ static int e1000g_resume(dev_info_t *); static int e1000g_suspend(dev_info_t *); static uint_t e1000g_intr_pciexpress(caddr_t, caddr_t); static uint_t e1000g_intr(caddr_t, caddr_t); static void e1000g_intr_work(struct e1000g *, uint32_t); #pragma inline(e1000g_intr_work) static int e1000g_init(struct e1000g *); static int e1000g_start(struct e1000g *, boolean_t); static void e1000g_stop(struct e1000g *, boolean_t); static int e1000g_m_start(void *); static void e1000g_m_stop(void *); static int e1000g_m_promisc(void *, boolean_t); static boolean_t e1000g_m_getcapab(void *, mac_capab_t, void *); static int e1000g_m_multicst(void *, boolean_t, const uint8_t *); static void e1000g_m_ioctl(void *, queue_t *, mblk_t *); static int e1000g_m_setprop(void *, const char *, mac_prop_id_t, uint_t, const void *); static int e1000g_m_getprop(void *, const char *, mac_prop_id_t, uint_t, void *); static void e1000g_m_propinfo(void *, const char *, mac_prop_id_t, mac_prop_info_handle_t); static int e1000g_set_priv_prop(struct e1000g *, const char *, uint_t, const void *); static int e1000g_get_priv_prop(struct e1000g *, const char *, uint_t, void *); static void e1000g_init_locks(struct e1000g *); static void e1000g_destroy_locks(struct e1000g *); static int e1000g_identify_hardware(struct e1000g *); static int e1000g_regs_map(struct e1000g *); static int e1000g_set_driver_params(struct e1000g *); static void e1000g_set_bufsize(struct e1000g *); static int e1000g_register_mac(struct e1000g *); static boolean_t e1000g_rx_drain(struct e1000g *); static boolean_t e1000g_tx_drain(struct e1000g *); static void e1000g_init_unicst(struct e1000g *); static int e1000g_unicst_set(struct e1000g *, const uint8_t *, int); static int e1000g_alloc_rx_data(struct e1000g *); static void e1000g_release_multicast(struct e1000g *); static void e1000g_pch_limits(struct e1000g *); static uint32_t e1000g_mtu2maxframe(uint32_t); /* * Local routines */ static boolean_t e1000g_reset_adapter(struct e1000g *); static void e1000g_tx_clean(struct e1000g *); static void e1000g_rx_clean(struct e1000g *); static void e1000g_link_timer(void *); static void e1000g_local_timer(void *); static boolean_t e1000g_link_check(struct e1000g *); static boolean_t e1000g_stall_check(struct e1000g *); static void e1000g_smartspeed(struct e1000g *); static void e1000g_get_conf(struct e1000g *); static boolean_t e1000g_get_prop(struct e1000g *, char *, int, int, int, int *); static void enable_watchdog_timer(struct e1000g *); static void disable_watchdog_timer(struct e1000g *); static void start_watchdog_timer(struct e1000g *); static void restart_watchdog_timer(struct e1000g *); static void stop_watchdog_timer(struct e1000g *); static void stop_link_timer(struct e1000g *); static void stop_82547_timer(e1000g_tx_ring_t *); static void e1000g_force_speed_duplex(struct e1000g *); static void e1000g_setup_max_mtu(struct e1000g *); static void e1000g_get_max_frame_size(struct e1000g *); static boolean_t is_valid_mac_addr(uint8_t *); static void e1000g_unattach(dev_info_t *, struct e1000g *); static int e1000g_get_bar_info(dev_info_t *, int, bar_info_t *); #ifdef E1000G_DEBUG static void e1000g_ioc_peek_reg(struct e1000g *, e1000g_peekpoke_t *); static void e1000g_ioc_poke_reg(struct e1000g *, e1000g_peekpoke_t *); static void e1000g_ioc_peek_mem(struct e1000g *, e1000g_peekpoke_t *); static void e1000g_ioc_poke_mem(struct e1000g *, e1000g_peekpoke_t *); static enum ioc_reply e1000g_pp_ioctl(struct e1000g *, struct iocblk *, mblk_t *); #endif static enum ioc_reply e1000g_loopback_ioctl(struct e1000g *, struct iocblk *, mblk_t *); static boolean_t e1000g_check_loopback_support(struct e1000_hw *); static boolean_t e1000g_set_loopback_mode(struct e1000g *, uint32_t); static void e1000g_set_internal_loopback(struct e1000g *); static void e1000g_set_external_loopback_1000(struct e1000g *); static void e1000g_set_external_loopback_100(struct e1000g *); static void e1000g_set_external_loopback_10(struct e1000g *); static int e1000g_add_intrs(struct e1000g *); static int e1000g_intr_add(struct e1000g *, int); static int e1000g_rem_intrs(struct e1000g *); static int e1000g_enable_intrs(struct e1000g *); static int e1000g_disable_intrs(struct e1000g *); static boolean_t e1000g_link_up(struct e1000g *); #ifdef __sparc static boolean_t e1000g_find_mac_address(struct e1000g *); #endif static void e1000g_get_phy_state(struct e1000g *); static int e1000g_fm_error_cb(dev_info_t *dip, ddi_fm_error_t *err, const void *impl_data); static void e1000g_fm_init(struct e1000g *Adapter); static void e1000g_fm_fini(struct e1000g *Adapter); static void e1000g_param_sync(struct e1000g *); static void e1000g_get_driver_control(struct e1000_hw *); static void e1000g_release_driver_control(struct e1000_hw *); static void e1000g_restore_promisc(struct e1000g *Adapter); char *e1000g_priv_props[] = { "_tx_bcopy_threshold", "_tx_interrupt_enable", "_tx_intr_delay", "_tx_intr_abs_delay", "_rx_bcopy_threshold", "_max_num_rcv_packets", "_rx_intr_delay", "_rx_intr_abs_delay", "_intr_throttling_rate", "_intr_adaptive", "_adv_pause_cap", "_adv_asym_pause_cap", NULL }; static struct cb_ops cb_ws_ops = { nulldev, /* cb_open */ nulldev, /* cb_close */ nodev, /* cb_strategy */ nodev, /* cb_print */ nodev, /* cb_dump */ nodev, /* cb_read */ nodev, /* cb_write */ nodev, /* cb_ioctl */ nodev, /* cb_devmap */ nodev, /* cb_mmap */ nodev, /* cb_segmap */ nochpoll, /* cb_chpoll */ ddi_prop_op, /* cb_prop_op */ NULL, /* cb_stream */ D_MP | D_HOTPLUG, /* cb_flag */ CB_REV, /* cb_rev */ nodev, /* cb_aread */ nodev /* cb_awrite */ }; static struct dev_ops ws_ops = { DEVO_REV, /* devo_rev */ 0, /* devo_refcnt */ NULL, /* devo_getinfo */ nulldev, /* devo_identify */ nulldev, /* devo_probe */ e1000g_attach, /* devo_attach */ e1000g_detach, /* devo_detach */ nodev, /* devo_reset */ &cb_ws_ops, /* devo_cb_ops */ NULL, /* devo_bus_ops */ ddi_power, /* devo_power */ e1000g_quiesce /* devo_quiesce */ }; static struct modldrv modldrv = { &mod_driverops, /* Type of module. This one is a driver */ ident, /* Discription string */ &ws_ops, /* driver ops */ }; static struct modlinkage modlinkage = { MODREV_1, &modldrv, NULL }; /* Access attributes for register mapping */ static ddi_device_acc_attr_t e1000g_regs_acc_attr = { DDI_DEVICE_ATTR_V1, DDI_STRUCTURE_LE_ACC, DDI_STRICTORDER_ACC, DDI_FLAGERR_ACC }; #define E1000G_M_CALLBACK_FLAGS \ (MC_IOCTL | MC_GETCAPAB | MC_SETPROP | MC_GETPROP | MC_PROPINFO) static mac_callbacks_t e1000g_m_callbacks = { E1000G_M_CALLBACK_FLAGS, e1000g_m_stat, e1000g_m_start, e1000g_m_stop, e1000g_m_promisc, e1000g_m_multicst, NULL, e1000g_m_tx, NULL, e1000g_m_ioctl, e1000g_m_getcapab, NULL, NULL, e1000g_m_setprop, e1000g_m_getprop, e1000g_m_propinfo }; /* * Global variables */ uint32_t e1000g_jumbo_mtu = MAXIMUM_MTU_9K; uint32_t e1000g_mblks_pending = 0; /* * Workaround for Dynamic Reconfiguration support, for x86 platform only. * Here we maintain a private dev_info list if e1000g_force_detach is * enabled. If we force the driver to detach while there are still some * rx buffers retained in the upper layer, we have to keep a copy of the * dev_info. In some cases (Dynamic Reconfiguration), the dev_info data * structure will be freed after the driver is detached. However when we * finally free those rx buffers released by the upper layer, we need to * refer to the dev_info to free the dma buffers. So we save a copy of * the dev_info for this purpose. On x86 platform, we assume this copy * of dev_info is always valid, but on SPARC platform, it could be invalid * after the system board level DR operation. For this reason, the global * variable e1000g_force_detach must be B_FALSE on SPARC platform. */ #ifdef __sparc boolean_t e1000g_force_detach = B_FALSE; #else boolean_t e1000g_force_detach = B_TRUE; #endif private_devi_list_t *e1000g_private_devi_list = NULL; /* * The mutex e1000g_rx_detach_lock is defined to protect the processing of * the private dev_info list, and to serialize the processing of rx buffer * freeing and rx buffer recycling. */ kmutex_t e1000g_rx_detach_lock; /* * The rwlock e1000g_dma_type_lock is defined to protect the global flag * e1000g_dma_type. For SPARC, the initial value of the flag is "USE_DVMA". * If there are many e1000g instances, the system may run out of DVMA * resources during the initialization of the instances, then the flag will * be changed to "USE_DMA". Because different e1000g instances are initialized * in parallel, we need to use this lock to protect the flag. */ krwlock_t e1000g_dma_type_lock; /* * The 82546 chipset is a dual-port device, both the ports share one eeprom. * Based on the information from Intel, the 82546 chipset has some hardware * problem. When one port is being reset and the other port is trying to * access the eeprom, it could cause system hang or panic. To workaround this * hardware problem, we use a global mutex to prevent such operations from * happening simultaneously on different instances. This workaround is applied * to all the devices supported by this driver. */ kmutex_t e1000g_nvm_lock; /* * Loadable module configuration entry points for the driver */ /* * _init - module initialization */ int _init(void) { int status; mac_init_ops(&ws_ops, WSNAME); status = mod_install(&modlinkage); if (status != DDI_SUCCESS) mac_fini_ops(&ws_ops); else { mutex_init(&e1000g_rx_detach_lock, NULL, MUTEX_DRIVER, NULL); rw_init(&e1000g_dma_type_lock, NULL, RW_DRIVER, NULL); mutex_init(&e1000g_nvm_lock, NULL, MUTEX_DRIVER, NULL); } return (status); } /* * _fini - module finalization */ int _fini(void) { int status; if (e1000g_mblks_pending != 0) return (EBUSY); status = mod_remove(&modlinkage); if (status == DDI_SUCCESS) { mac_fini_ops(&ws_ops); if (e1000g_force_detach) { private_devi_list_t *devi_node; mutex_enter(&e1000g_rx_detach_lock); while (e1000g_private_devi_list != NULL) { devi_node = e1000g_private_devi_list; e1000g_private_devi_list = e1000g_private_devi_list->next; kmem_free(devi_node->priv_dip, sizeof (struct dev_info)); kmem_free(devi_node, sizeof (private_devi_list_t)); } mutex_exit(&e1000g_rx_detach_lock); } mutex_destroy(&e1000g_rx_detach_lock); rw_destroy(&e1000g_dma_type_lock); mutex_destroy(&e1000g_nvm_lock); } return (status); } /* * _info - module information */ int _info(struct modinfo *modinfop) { return (mod_info(&modlinkage, modinfop)); } /* * e1000g_attach - driver attach * * This function is the device-specific initialization entry * point. This entry point is required and must be written. * The DDI_ATTACH command must be provided in the attach entry * point. When attach() is called with cmd set to DDI_ATTACH, * all normal kernel services (such as kmem_alloc(9F)) are * available for use by the driver. * * The attach() function will be called once for each instance * of the device on the system with cmd set to DDI_ATTACH. * Until attach() succeeds, the only driver entry points which * may be called are open(9E) and getinfo(9E). */ static int e1000g_attach(dev_info_t *devinfo, ddi_attach_cmd_t cmd) { struct e1000g *Adapter; struct e1000_hw *hw; struct e1000g_osdep *osdep; int instance; switch (cmd) { default: e1000g_log(NULL, CE_WARN, "Unsupported command send to e1000g_attach... "); return (DDI_FAILURE); case DDI_RESUME: return (e1000g_resume(devinfo)); case DDI_ATTACH: break; } /* * get device instance number */ instance = ddi_get_instance(devinfo); /* * Allocate soft data structure */ Adapter = (struct e1000g *)kmem_zalloc(sizeof (*Adapter), KM_SLEEP); Adapter->dip = devinfo; Adapter->instance = instance; Adapter->tx_ring->adapter = Adapter; Adapter->rx_ring->adapter = Adapter; hw = &Adapter->shared; osdep = &Adapter->osdep; hw->back = osdep; osdep->adapter = Adapter; ddi_set_driver_private(devinfo, (caddr_t)Adapter); /* * Initialize for fma support */ (void) e1000g_get_prop(Adapter, "fm-capable", 0, 0x0f, DDI_FM_EREPORT_CAPABLE | DDI_FM_ACCCHK_CAPABLE | DDI_FM_DMACHK_CAPABLE | DDI_FM_ERRCB_CAPABLE, &Adapter->fm_capabilities); e1000g_fm_init(Adapter); Adapter->attach_progress |= ATTACH_PROGRESS_FMINIT; /* * PCI Configure */ if (pci_config_setup(devinfo, &osdep->cfg_handle) != DDI_SUCCESS) { e1000g_log(Adapter, CE_WARN, "PCI configuration failed"); goto attach_fail; } Adapter->attach_progress |= ATTACH_PROGRESS_PCI_CONFIG; /* * Setup hardware */ if (e1000g_identify_hardware(Adapter) != DDI_SUCCESS) { e1000g_log(Adapter, CE_WARN, "Identify hardware failed"); goto attach_fail; } /* * Map in the device registers. */ if (e1000g_regs_map(Adapter) != DDI_SUCCESS) { e1000g_log(Adapter, CE_WARN, "Mapping registers failed"); goto attach_fail; } Adapter->attach_progress |= ATTACH_PROGRESS_REGS_MAP; /* * Initialize driver parameters */ if (e1000g_set_driver_params(Adapter) != DDI_SUCCESS) { goto attach_fail; } Adapter->attach_progress |= ATTACH_PROGRESS_SETUP; if (e1000g_check_acc_handle(Adapter->osdep.cfg_handle) != DDI_FM_OK) { ddi_fm_service_impact(Adapter->dip, DDI_SERVICE_LOST); goto attach_fail; } /* * Disable ULP support */ (void) e1000_disable_ulp_lpt_lp(hw, TRUE); /* * Initialize interrupts */ if (e1000g_add_intrs(Adapter) != DDI_SUCCESS) { e1000g_log(Adapter, CE_WARN, "Add interrupts failed"); goto attach_fail; } Adapter->attach_progress |= ATTACH_PROGRESS_ADD_INTR; /* * Initialize mutex's for this device. * Do this before enabling the interrupt handler and * register the softint to avoid the condition where * interrupt handler can try using uninitialized mutex */ e1000g_init_locks(Adapter); Adapter->attach_progress |= ATTACH_PROGRESS_LOCKS; /* * Initialize Driver Counters */ if (e1000g_init_stats(Adapter) != DDI_SUCCESS) { e1000g_log(Adapter, CE_WARN, "Init stats failed"); goto attach_fail; } Adapter->attach_progress |= ATTACH_PROGRESS_KSTATS; /* * Initialize chip hardware and software structures */ rw_enter(&Adapter->chip_lock, RW_WRITER); if (e1000g_init(Adapter) != DDI_SUCCESS) { rw_exit(&Adapter->chip_lock); e1000g_log(Adapter, CE_WARN, "Adapter initialization failed"); goto attach_fail; } rw_exit(&Adapter->chip_lock); Adapter->attach_progress |= ATTACH_PROGRESS_INIT; /* * Register the driver to the MAC */ if (e1000g_register_mac(Adapter) != DDI_SUCCESS) { e1000g_log(Adapter, CE_WARN, "Register MAC failed"); goto attach_fail; } Adapter->attach_progress |= ATTACH_PROGRESS_MAC; /* * Now that mutex locks are initialized, and the chip is also * initialized, enable interrupts. */ if (e1000g_enable_intrs(Adapter) != DDI_SUCCESS) { e1000g_log(Adapter, CE_WARN, "Enable DDI interrupts failed"); goto attach_fail; } Adapter->attach_progress |= ATTACH_PROGRESS_ENABLE_INTR; /* * If e1000g_force_detach is enabled, in global private dip list, * we will create a new entry, which maintains the priv_dip for DR * supports after driver detached. */ if (e1000g_force_detach) { private_devi_list_t *devi_node; Adapter->priv_dip = kmem_zalloc(sizeof (struct dev_info), KM_SLEEP); bcopy(DEVI(devinfo), DEVI(Adapter->priv_dip), sizeof (struct dev_info)); devi_node = kmem_zalloc(sizeof (private_devi_list_t), KM_SLEEP); mutex_enter(&e1000g_rx_detach_lock); devi_node->priv_dip = Adapter->priv_dip; devi_node->flag = E1000G_PRIV_DEVI_ATTACH; devi_node->pending_rx_count = 0; Adapter->priv_devi_node = devi_node; if (e1000g_private_devi_list == NULL) { devi_node->prev = NULL; devi_node->next = NULL; e1000g_private_devi_list = devi_node; } else { devi_node->prev = NULL; devi_node->next = e1000g_private_devi_list; e1000g_private_devi_list->prev = devi_node; e1000g_private_devi_list = devi_node; } mutex_exit(&e1000g_rx_detach_lock); } Adapter->e1000g_state = E1000G_INITIALIZED; return (DDI_SUCCESS); attach_fail: e1000g_unattach(devinfo, Adapter); return (DDI_FAILURE); } static int e1000g_register_mac(struct e1000g *Adapter) { struct e1000_hw *hw = &Adapter->shared; mac_register_t *mac; int err; if ((mac = mac_alloc(MAC_VERSION)) == NULL) return (DDI_FAILURE); mac->m_type_ident = MAC_PLUGIN_IDENT_ETHER; mac->m_driver = Adapter; mac->m_dip = Adapter->dip; mac->m_src_addr = hw->mac.addr; mac->m_callbacks = &e1000g_m_callbacks; mac->m_min_sdu = 0; mac->m_max_sdu = Adapter->default_mtu; mac->m_margin = VLAN_TAGSZ; mac->m_priv_props = e1000g_priv_props; mac->m_v12n = MAC_VIRT_LEVEL1; err = mac_register(mac, &Adapter->mh); mac_free(mac); return (err == 0 ? DDI_SUCCESS : DDI_FAILURE); } static int e1000g_identify_hardware(struct e1000g *Adapter) { struct e1000_hw *hw = &Adapter->shared; struct e1000g_osdep *osdep = &Adapter->osdep; /* Get the device id */ hw->vendor_id = pci_config_get16(osdep->cfg_handle, PCI_CONF_VENID); hw->device_id = pci_config_get16(osdep->cfg_handle, PCI_CONF_DEVID); hw->revision_id = pci_config_get8(osdep->cfg_handle, PCI_CONF_REVID); hw->subsystem_device_id = pci_config_get16(osdep->cfg_handle, PCI_CONF_SUBSYSID); hw->subsystem_vendor_id = pci_config_get16(osdep->cfg_handle, PCI_CONF_SUBVENID); if (e1000_set_mac_type(hw) != E1000_SUCCESS) { E1000G_DEBUGLOG_0(Adapter, E1000G_INFO_LEVEL, "MAC type could not be set properly."); return (DDI_FAILURE); } return (DDI_SUCCESS); } static int e1000g_regs_map(struct e1000g *Adapter) { dev_info_t *devinfo = Adapter->dip; struct e1000_hw *hw = &Adapter->shared; struct e1000g_osdep *osdep = &Adapter->osdep; off_t mem_size; bar_info_t bar_info; int offset, rnumber; rnumber = ADAPTER_REG_SET; /* Get size of adapter register memory */ if (ddi_dev_regsize(devinfo, rnumber, &mem_size) != DDI_SUCCESS) { E1000G_DEBUGLOG_0(Adapter, CE_WARN, "ddi_dev_regsize for registers failed"); return (DDI_FAILURE); } /* Map adapter register memory */ if ((ddi_regs_map_setup(devinfo, rnumber, (caddr_t *)&hw->hw_addr, 0, mem_size, &e1000g_regs_acc_attr, &osdep->reg_handle)) != DDI_SUCCESS) { E1000G_DEBUGLOG_0(Adapter, CE_WARN, "ddi_regs_map_setup for registers failed"); goto regs_map_fail; } /* ICH needs to map flash memory */ switch (hw->mac.type) { case e1000_ich8lan: case e1000_ich9lan: case e1000_ich10lan: case e1000_pchlan: case e1000_pch2lan: case e1000_pch_lpt: rnumber = ICH_FLASH_REG_SET; /* get flash size */ if (ddi_dev_regsize(devinfo, rnumber, &mem_size) != DDI_SUCCESS) { E1000G_DEBUGLOG_0(Adapter, CE_WARN, "ddi_dev_regsize for ICH flash failed"); goto regs_map_fail; } /* map flash in */ if (ddi_regs_map_setup(devinfo, rnumber, (caddr_t *)&hw->flash_address, 0, mem_size, &e1000g_regs_acc_attr, &osdep->ich_flash_handle) != DDI_SUCCESS) { E1000G_DEBUGLOG_0(Adapter, CE_WARN, "ddi_regs_map_setup for ICH flash failed"); goto regs_map_fail; } break; case e1000_pch_spt: case e1000_pch_cnp: case e1000_pch_tgp: case e1000_pch_adp: case e1000_pch_mtp: case e1000_pch_lnp: case e1000_pch_rpl: case e1000_pch_arl: case e1000_pch_ptp: case e1000_pch_nvl: /* * On the SPT, the device flash is actually in BAR0, not a * separate BAR. Therefore we end up setting the * ich_flash_handle to be the same as the register handle. * We mark the same to reduce the confusion in the other * functions and macros. Though this does make the set up and * tear-down path slightly more complicated. */ osdep->ich_flash_handle = osdep->reg_handle; hw->flash_address = hw->hw_addr; default: break; } /* map io space */ switch (hw->mac.type) { case e1000_82544: case e1000_82540: case e1000_82545: case e1000_82546: case e1000_82541: case e1000_82541_rev_2: /* find the IO bar */ rnumber = -1; for (offset = PCI_CONF_BASE1; offset <= PCI_CONF_BASE5; offset += 4) { if (e1000g_get_bar_info(devinfo, offset, &bar_info) != DDI_SUCCESS) continue; if (bar_info.type == E1000G_BAR_IO) { rnumber = bar_info.rnumber; break; } } if (rnumber < 0) { E1000G_DEBUGLOG_0(Adapter, CE_WARN, "No io space is found"); goto regs_map_fail; } /* get io space size */ if (ddi_dev_regsize(devinfo, rnumber, &mem_size) != DDI_SUCCESS) { E1000G_DEBUGLOG_0(Adapter, CE_WARN, "ddi_dev_regsize for io space failed"); goto regs_map_fail; } /* map io space */ if ((ddi_regs_map_setup(devinfo, rnumber, (caddr_t *)&hw->io_base, 0, mem_size, &e1000g_regs_acc_attr, &osdep->io_reg_handle)) != DDI_SUCCESS) { E1000G_DEBUGLOG_0(Adapter, CE_WARN, "ddi_regs_map_setup for io space failed"); goto regs_map_fail; } break; default: hw->io_base = 0; break; } return (DDI_SUCCESS); regs_map_fail: if (osdep->reg_handle != NULL) ddi_regs_map_free(&osdep->reg_handle); if (osdep->ich_flash_handle != NULL && hw->mac.type < e1000_pch_spt) ddi_regs_map_free(&osdep->ich_flash_handle); return (DDI_FAILURE); } static int e1000g_set_driver_params(struct e1000g *Adapter) { struct e1000_hw *hw; hw = &Adapter->shared; /* Set MAC type and initialize hardware functions */ if (e1000_setup_init_funcs(hw, B_TRUE) != E1000_SUCCESS) { E1000G_DEBUGLOG_0(Adapter, CE_WARN, "Could not setup hardware functions"); return (DDI_FAILURE); } /* Get bus information */ if (e1000_get_bus_info(hw) != E1000_SUCCESS) { E1000G_DEBUGLOG_0(Adapter, CE_WARN, "Could not get bus information"); return (DDI_FAILURE); } e1000_read_pci_cfg(hw, PCI_COMMAND_REGISTER, &hw->bus.pci_cmd_word); hw->mac.autoneg_failed = B_TRUE; /* Set the autoneg_wait_to_complete flag to B_FALSE */ hw->phy.autoneg_wait_to_complete = B_FALSE; /* Adaptive IFS related changes */ hw->mac.adaptive_ifs = B_TRUE; /* Enable phy init script for IGP phy of 82541/82547 */ if ((hw->mac.type == e1000_82547) || (hw->mac.type == e1000_82541) || (hw->mac.type == e1000_82547_rev_2) || (hw->mac.type == e1000_82541_rev_2)) e1000_init_script_state_82541(hw, B_TRUE); /* Enable the TTL workaround for 82541/82547 */ e1000_set_ttl_workaround_state_82541(hw, B_TRUE); #ifdef __sparc Adapter->strip_crc = B_TRUE; #else Adapter->strip_crc = B_FALSE; #endif /* setup the maximum MTU size of the chip */ e1000g_setup_max_mtu(Adapter); /* Get speed/duplex settings in conf file */ hw->mac.forced_speed_duplex = ADVERTISE_100_FULL; hw->phy.autoneg_advertised = AUTONEG_ADVERTISE_SPEED_DEFAULT; e1000g_force_speed_duplex(Adapter); /* Get Jumbo Frames settings in conf file */ e1000g_get_max_frame_size(Adapter); /* Get conf file properties */ e1000g_get_conf(Adapter); /* enforce PCH limits */ e1000g_pch_limits(Adapter); /* Set Rx/Tx buffer size */ e1000g_set_bufsize(Adapter); /* Master Latency Timer */ Adapter->master_latency_timer = DEFAULT_MASTER_LATENCY_TIMER; /* copper options */ if (hw->phy.media_type == e1000_media_type_copper) { hw->phy.mdix = 0; /* AUTO_ALL_MODES */ hw->phy.disable_polarity_correction = B_FALSE; hw->phy.ms_type = e1000_ms_hw_default; /* E1000_MASTER_SLAVE */ } /* The initial link state should be "unknown" */ Adapter->link_state = LINK_STATE_UNKNOWN; /* Initialize rx parameters */ Adapter->rx_intr_delay = DEFAULT_RX_INTR_DELAY; Adapter->rx_intr_abs_delay = DEFAULT_RX_INTR_ABS_DELAY; /* Initialize tx parameters */ Adapter->tx_intr_enable = DEFAULT_TX_INTR_ENABLE; Adapter->tx_bcopy_thresh = DEFAULT_TX_BCOPY_THRESHOLD; Adapter->tx_intr_delay = DEFAULT_TX_INTR_DELAY; Adapter->tx_intr_abs_delay = DEFAULT_TX_INTR_ABS_DELAY; /* Initialize rx parameters */ Adapter->rx_bcopy_thresh = DEFAULT_RX_BCOPY_THRESHOLD; return (DDI_SUCCESS); } static void e1000g_setup_max_mtu(struct e1000g *Adapter) { struct e1000_mac_info *mac = &Adapter->shared.mac; struct e1000_phy_info *phy = &Adapter->shared.phy; switch (mac->type) { /* types that do not support jumbo frames */ case e1000_ich8lan: case e1000_82573: case e1000_82583: Adapter->max_mtu = ETHERMTU; break; /* ich9 supports jumbo frames except on one phy type */ case e1000_ich9lan: if (phy->type == e1000_phy_ife) Adapter->max_mtu = ETHERMTU; else Adapter->max_mtu = MAXIMUM_MTU_9K; break; /* pch can do jumbo frames up to 4K */ case e1000_pchlan: Adapter->max_mtu = MAXIMUM_MTU_4K; break; /* pch2 can do jumbo frames up to 9K */ case e1000_pch2lan: case e1000_pch_lpt: case e1000_pch_spt: case e1000_pch_cnp: case e1000_pch_tgp: case e1000_pch_adp: case e1000_pch_mtp: case e1000_pch_lnp: case e1000_pch_rpl: case e1000_pch_arl: case e1000_pch_ptp: case e1000_pch_nvl: Adapter->max_mtu = MAXIMUM_MTU_9K; break; /* types with a special limit */ case e1000_82571: case e1000_82572: case e1000_82574: case e1000_80003es2lan: case e1000_ich10lan: if (e1000g_jumbo_mtu >= ETHERMTU && e1000g_jumbo_mtu <= MAXIMUM_MTU_9K) { Adapter->max_mtu = e1000g_jumbo_mtu; } else { Adapter->max_mtu = MAXIMUM_MTU_9K; } break; /* default limit is 16K */ default: Adapter->max_mtu = FRAME_SIZE_UPTO_16K - sizeof (struct ether_vlan_header) - ETHERFCSL; break; } } static void e1000g_set_bufsize(struct e1000g *Adapter) { struct e1000_mac_info *mac = &Adapter->shared.mac; uint64_t rx_size; uint64_t tx_size; dev_info_t *devinfo = Adapter->dip; #ifdef __sparc ulong_t iommu_pagesize; #endif /* Get the system page size */ Adapter->sys_page_sz = ddi_ptob(devinfo, (ulong_t)1); #ifdef __sparc iommu_pagesize = dvma_pagesize(devinfo); if (iommu_pagesize != 0) { if (Adapter->sys_page_sz == iommu_pagesize) { if (iommu_pagesize > 0x4000) Adapter->sys_page_sz = 0x4000; } else { if (Adapter->sys_page_sz > iommu_pagesize) Adapter->sys_page_sz = iommu_pagesize; } } if (Adapter->lso_enable) { Adapter->dvma_page_num = E1000_LSO_MAXLEN / Adapter->sys_page_sz + E1000G_DEFAULT_DVMA_PAGE_NUM; } else { Adapter->dvma_page_num = Adapter->max_frame_size / Adapter->sys_page_sz + E1000G_DEFAULT_DVMA_PAGE_NUM; } ASSERT(Adapter->dvma_page_num >= E1000G_DEFAULT_DVMA_PAGE_NUM); #endif Adapter->min_frame_size = ETHERMIN + ETHERFCSL; if (Adapter->mem_workaround_82546 && ((mac->type == e1000_82545) || (mac->type == e1000_82546) || (mac->type == e1000_82546_rev_3))) { Adapter->rx_buffer_size = E1000_RX_BUFFER_SIZE_2K; } else { rx_size = Adapter->max_frame_size; if ((rx_size > FRAME_SIZE_UPTO_2K) && (rx_size <= FRAME_SIZE_UPTO_4K)) Adapter->rx_buffer_size = E1000_RX_BUFFER_SIZE_4K; else if ((rx_size > FRAME_SIZE_UPTO_4K) && (rx_size <= FRAME_SIZE_UPTO_8K)) Adapter->rx_buffer_size = E1000_RX_BUFFER_SIZE_8K; else if ((rx_size > FRAME_SIZE_UPTO_8K) && (rx_size <= FRAME_SIZE_UPTO_16K)) Adapter->rx_buffer_size = E1000_RX_BUFFER_SIZE_16K; else Adapter->rx_buffer_size = E1000_RX_BUFFER_SIZE_2K; } Adapter->rx_buffer_size += E1000G_IPALIGNROOM; tx_size = Adapter->max_frame_size; if ((tx_size > FRAME_SIZE_UPTO_2K) && (tx_size <= FRAME_SIZE_UPTO_4K)) Adapter->tx_buffer_size = E1000_TX_BUFFER_SIZE_4K; else if ((tx_size > FRAME_SIZE_UPTO_4K) && (tx_size <= FRAME_SIZE_UPTO_8K)) Adapter->tx_buffer_size = E1000_TX_BUFFER_SIZE_8K; else if ((tx_size > FRAME_SIZE_UPTO_8K) && (tx_size <= FRAME_SIZE_UPTO_16K)) Adapter->tx_buffer_size = E1000_TX_BUFFER_SIZE_16K; else Adapter->tx_buffer_size = E1000_TX_BUFFER_SIZE_2K; /* * For Wiseman adapters we have an requirement of having receive * buffers aligned at 256 byte boundary. Since Livengood does not * require this and forcing it for all hardwares will have * performance implications, I am making it applicable only for * Wiseman and for Jumbo frames enabled mode as rest of the time, * it is okay to have normal frames...but it does involve a * potential risk where we may loose data if buffer is not * aligned...so all wiseman boards to have 256 byte aligned * buffers */ if (mac->type < e1000_82543) Adapter->rx_buf_align = RECEIVE_BUFFER_ALIGN_SIZE; else Adapter->rx_buf_align = 1; } /* * e1000g_detach - driver detach * * The detach() function is the complement of the attach routine. * If cmd is set to DDI_DETACH, detach() is used to remove the * state associated with a given instance of a device node * prior to the removal of that instance from the system. * * The detach() function will be called once for each instance * of the device for which there has been a successful attach() * once there are no longer any opens on the device. * * Interrupts routine are disabled, All memory allocated by this * driver are freed. */ static int e1000g_detach(dev_info_t *devinfo, ddi_detach_cmd_t cmd) { struct e1000g *Adapter; boolean_t rx_drain; switch (cmd) { default: return (DDI_FAILURE); case DDI_SUSPEND: return (e1000g_suspend(devinfo)); case DDI_DETACH: break; } Adapter = (struct e1000g *)ddi_get_driver_private(devinfo); if (Adapter == NULL) return (DDI_FAILURE); rx_drain = e1000g_rx_drain(Adapter); if (!rx_drain && !e1000g_force_detach) return (DDI_FAILURE); if (mac_unregister(Adapter->mh) != 0) { e1000g_log(Adapter, CE_WARN, "Unregister MAC failed"); return (DDI_FAILURE); } Adapter->attach_progress &= ~ATTACH_PROGRESS_MAC; ASSERT(!(Adapter->e1000g_state & E1000G_STARTED)); if (!e1000g_force_detach && !rx_drain) return (DDI_FAILURE); e1000g_unattach(devinfo, Adapter); return (DDI_SUCCESS); } /* * e1000g_free_priv_devi_node - free a priv_dip entry for driver instance */ void e1000g_free_priv_devi_node(private_devi_list_t *devi_node) { ASSERT(e1000g_private_devi_list != NULL); ASSERT(devi_node != NULL); if (devi_node->prev != NULL) devi_node->prev->next = devi_node->next; if (devi_node->next != NULL) devi_node->next->prev = devi_node->prev; if (devi_node == e1000g_private_devi_list) e1000g_private_devi_list = devi_node->next; kmem_free(devi_node->priv_dip, sizeof (struct dev_info)); kmem_free(devi_node, sizeof (private_devi_list_t)); } static void e1000g_unattach(dev_info_t *devinfo, struct e1000g *Adapter) { private_devi_list_t *devi_node; int result; if (Adapter->e1000g_blink != NULL) { ddi_periodic_delete(Adapter->e1000g_blink); Adapter->e1000g_blink = NULL; } if (Adapter->attach_progress & ATTACH_PROGRESS_ENABLE_INTR) { (void) e1000g_disable_intrs(Adapter); } if (Adapter->attach_progress & ATTACH_PROGRESS_MAC) { (void) mac_unregister(Adapter->mh); } if (Adapter->attach_progress & ATTACH_PROGRESS_ADD_INTR) { (void) e1000g_rem_intrs(Adapter); } if (Adapter->attach_progress & ATTACH_PROGRESS_SETUP) { (void) ddi_prop_remove_all(devinfo); } if (Adapter->attach_progress & ATTACH_PROGRESS_KSTATS) { kstat_delete((kstat_t *)Adapter->e1000g_ksp); } if (Adapter->attach_progress & ATTACH_PROGRESS_INIT) { stop_link_timer(Adapter); mutex_enter(&e1000g_nvm_lock); result = e1000_reset_hw(&Adapter->shared); mutex_exit(&e1000g_nvm_lock); if (result != E1000_SUCCESS) { e1000g_fm_ereport(Adapter, DDI_FM_DEVICE_INVAL_STATE); ddi_fm_service_impact(Adapter->dip, DDI_SERVICE_LOST); } } e1000g_release_multicast(Adapter); if (Adapter->attach_progress & ATTACH_PROGRESS_REGS_MAP) { if (Adapter->osdep.reg_handle != NULL) ddi_regs_map_free(&Adapter->osdep.reg_handle); if (Adapter->osdep.ich_flash_handle != NULL && Adapter->shared.mac.type < e1000_pch_spt) ddi_regs_map_free(&Adapter->osdep.ich_flash_handle); if (Adapter->osdep.io_reg_handle != NULL) ddi_regs_map_free(&Adapter->osdep.io_reg_handle); } if (Adapter->attach_progress & ATTACH_PROGRESS_PCI_CONFIG) { if (Adapter->osdep.cfg_handle != NULL) pci_config_teardown(&Adapter->osdep.cfg_handle); } if (Adapter->attach_progress & ATTACH_PROGRESS_LOCKS) { e1000g_destroy_locks(Adapter); } if (Adapter->attach_progress & ATTACH_PROGRESS_FMINIT) { e1000g_fm_fini(Adapter); } mutex_enter(&e1000g_rx_detach_lock); if (e1000g_force_detach && (Adapter->priv_devi_node != NULL)) { devi_node = Adapter->priv_devi_node; devi_node->flag |= E1000G_PRIV_DEVI_DETACH; if (devi_node->pending_rx_count == 0) { e1000g_free_priv_devi_node(devi_node); } } mutex_exit(&e1000g_rx_detach_lock); kmem_free((caddr_t)Adapter, sizeof (struct e1000g)); /* * Another hotplug spec requirement, * run ddi_set_driver_private(devinfo, null); */ ddi_set_driver_private(devinfo, NULL); } /* * Get the BAR type and rnumber for a given PCI BAR offset */ static int e1000g_get_bar_info(dev_info_t *dip, int bar_offset, bar_info_t *bar_info) { pci_regspec_t *regs; uint_t regs_length; int type, rnumber, rcount; ASSERT((bar_offset >= PCI_CONF_BASE0) && (bar_offset <= PCI_CONF_BASE5)); /* * Get the DDI "reg" property */ if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, "reg", (int **)®s, ®s_length) != DDI_PROP_SUCCESS) { return (DDI_FAILURE); } rcount = regs_length * sizeof (int) / sizeof (pci_regspec_t); /* * Check the BAR offset */ for (rnumber = 0; rnumber < rcount; ++rnumber) { if (PCI_REG_REG_G(regs[rnumber].pci_phys_hi) == bar_offset) { type = regs[rnumber].pci_phys_hi & PCI_ADDR_MASK; break; } } ddi_prop_free(regs); if (rnumber >= rcount) return (DDI_FAILURE); switch (type) { case PCI_ADDR_CONFIG: bar_info->type = E1000G_BAR_CONFIG; break; case PCI_ADDR_IO: bar_info->type = E1000G_BAR_IO; break; case PCI_ADDR_MEM32: bar_info->type = E1000G_BAR_MEM32; break; case PCI_ADDR_MEM64: bar_info->type = E1000G_BAR_MEM64; break; default: return (DDI_FAILURE); } bar_info->rnumber = rnumber; return (DDI_SUCCESS); } static void e1000g_init_locks(struct e1000g *Adapter) { e1000g_tx_ring_t *tx_ring; e1000g_rx_ring_t *rx_ring; rw_init(&Adapter->chip_lock, NULL, RW_DRIVER, DDI_INTR_PRI(Adapter->intr_pri)); mutex_init(&Adapter->link_lock, NULL, MUTEX_DRIVER, DDI_INTR_PRI(Adapter->intr_pri)); mutex_init(&Adapter->watchdog_lock, NULL, MUTEX_DRIVER, DDI_INTR_PRI(Adapter->intr_pri)); tx_ring = Adapter->tx_ring; mutex_init(&tx_ring->tx_lock, NULL, MUTEX_DRIVER, DDI_INTR_PRI(Adapter->intr_pri)); mutex_init(&tx_ring->usedlist_lock, NULL, MUTEX_DRIVER, DDI_INTR_PRI(Adapter->intr_pri)); mutex_init(&tx_ring->freelist_lock, NULL, MUTEX_DRIVER, DDI_INTR_PRI(Adapter->intr_pri)); rx_ring = Adapter->rx_ring; mutex_init(&rx_ring->rx_lock, NULL, MUTEX_DRIVER, DDI_INTR_PRI(Adapter->intr_pri)); mutex_init(&Adapter->e1000g_led_lock, NULL, MUTEX_DRIVER, DDI_INTR_PRI(Adapter->intr_pri)); } static void e1000g_destroy_locks(struct e1000g *Adapter) { e1000g_tx_ring_t *tx_ring; e1000g_rx_ring_t *rx_ring; mutex_destroy(&Adapter->e1000g_led_lock); tx_ring = Adapter->tx_ring; mutex_destroy(&tx_ring->tx_lock); mutex_destroy(&tx_ring->usedlist_lock); mutex_destroy(&tx_ring->freelist_lock); rx_ring = Adapter->rx_ring; mutex_destroy(&rx_ring->rx_lock); mutex_destroy(&Adapter->link_lock); mutex_destroy(&Adapter->watchdog_lock); rw_destroy(&Adapter->chip_lock); /* destory mutex initialized in shared code */ e1000_destroy_hw_mutex(&Adapter->shared); } static int e1000g_resume(dev_info_t *devinfo) { struct e1000g *Adapter; Adapter = (struct e1000g *)ddi_get_driver_private(devinfo); if (Adapter == NULL) e1000g_log(Adapter, CE_PANIC, "Instance pointer is null\n"); if (Adapter->dip != devinfo) e1000g_log(Adapter, CE_PANIC, "Devinfo is not the same as saved devinfo\n"); rw_enter(&Adapter->chip_lock, RW_WRITER); if (Adapter->e1000g_state & E1000G_STARTED) { if (e1000g_start(Adapter, B_FALSE) != DDI_SUCCESS) { rw_exit(&Adapter->chip_lock); /* * We note the failure, but return success, as the * system is still usable without this controller. */ e1000g_log(Adapter, CE_WARN, "e1000g_resume: failed to restart controller\n"); return (DDI_SUCCESS); } /* Enable and start the watchdog timer */ enable_watchdog_timer(Adapter); } Adapter->e1000g_state &= ~E1000G_SUSPENDED; rw_exit(&Adapter->chip_lock); return (DDI_SUCCESS); } static int e1000g_suspend(dev_info_t *devinfo) { struct e1000g *Adapter; Adapter = (struct e1000g *)ddi_get_driver_private(devinfo); if (Adapter == NULL) return (DDI_FAILURE); rw_enter(&Adapter->chip_lock, RW_WRITER); Adapter->e1000g_state |= E1000G_SUSPENDED; /* if the port isn't plumbed, we can simply return */ if (!(Adapter->e1000g_state & E1000G_STARTED)) { rw_exit(&Adapter->chip_lock); return (DDI_SUCCESS); } e1000g_stop(Adapter, B_FALSE); rw_exit(&Adapter->chip_lock); /* Disable and stop all the timers */ disable_watchdog_timer(Adapter); stop_link_timer(Adapter); stop_82547_timer(Adapter->tx_ring); return (DDI_SUCCESS); } static int e1000g_init(struct e1000g *Adapter) { uint32_t pba; uint32_t high_water; struct e1000_hw *hw; clock_t link_timeout; int result; hw = &Adapter->shared; /* * reset to put the hardware in a known state * before we try to do anything with the eeprom */ mutex_enter(&e1000g_nvm_lock); result = e1000_reset_hw(hw); mutex_exit(&e1000g_nvm_lock); if (result != E1000_SUCCESS) { e1000g_fm_ereport(Adapter, DDI_FM_DEVICE_INVAL_STATE); goto init_fail; } mutex_enter(&e1000g_nvm_lock); result = e1000_validate_nvm_checksum(hw); if (result < E1000_SUCCESS) { /* * Some PCI-E parts fail the first check due to * the link being in sleep state. Call it again, * if it fails a second time its a real issue. */ result = e1000_validate_nvm_checksum(hw); } mutex_exit(&e1000g_nvm_lock); if (result < E1000_SUCCESS) { e1000g_log(Adapter, CE_WARN, "Invalid NVM checksum. Please contact " "the vendor to update the NVM."); e1000g_fm_ereport(Adapter, DDI_FM_DEVICE_INVAL_STATE); goto init_fail; } result = 0; #ifdef __sparc /* * First, we try to get the local ethernet address from OBP. If * failed, then we get it from the EEPROM of NIC card. */ result = e1000g_find_mac_address(Adapter); #endif /* Get the local ethernet address. */ if (!result) { mutex_enter(&e1000g_nvm_lock); result = e1000_read_mac_addr(hw); mutex_exit(&e1000g_nvm_lock); } if (result < E1000_SUCCESS) { e1000g_log(Adapter, CE_WARN, "Read mac addr failed"); e1000g_fm_ereport(Adapter, DDI_FM_DEVICE_INVAL_STATE); goto init_fail; } /* check for valid mac address */ if (!is_valid_mac_addr(hw->mac.addr)) { e1000g_log(Adapter, CE_WARN, "Invalid mac addr"); e1000g_fm_ereport(Adapter, DDI_FM_DEVICE_INVAL_STATE); goto init_fail; } /* Set LAA state for 82571 chipset */ e1000_set_laa_state_82571(hw, B_TRUE); /* Master Latency Timer implementation */ if (Adapter->master_latency_timer) { pci_config_put8(Adapter->osdep.cfg_handle, PCI_CONF_LATENCY_TIMER, Adapter->master_latency_timer); } if (hw->mac.type < e1000_82547) { /* * Total FIFO is 64K */ if (Adapter->max_frame_size > FRAME_SIZE_UPTO_8K) pba = E1000_PBA_40K; /* 40K for Rx, 24K for Tx */ else pba = E1000_PBA_48K; /* 48K for Rx, 16K for Tx */ } else if ((hw->mac.type == e1000_82571) || (hw->mac.type == e1000_82572) || (hw->mac.type == e1000_80003es2lan)) { /* * Total FIFO is 48K */ if (Adapter->max_frame_size > FRAME_SIZE_UPTO_8K) pba = E1000_PBA_30K; /* 30K for Rx, 18K for Tx */ else pba = E1000_PBA_38K; /* 38K for Rx, 10K for Tx */ } else if (hw->mac.type == e1000_82573) { pba = E1000_PBA_20K; /* 20K for Rx, 12K for Tx */ } else if (hw->mac.type == e1000_82574) { /* Keep adapter default: 20K for Rx, 20K for Tx */ pba = E1000_READ_REG(hw, E1000_PBA); } else if (hw->mac.type == e1000_ich8lan) { pba = E1000_PBA_8K; /* 8K for Rx, 12K for Tx */ } else if (hw->mac.type == e1000_ich9lan) { pba = E1000_PBA_10K; } else if (hw->mac.type == e1000_ich10lan) { pba = E1000_PBA_10K; } else if (hw->mac.type == e1000_pchlan) { pba = E1000_PBA_26K; } else if (hw->mac.type == e1000_pch2lan) { pba = E1000_PBA_26K; } else if (hw->mac.type == e1000_pch_lpt) { pba = E1000_PBA_26K; } else if (hw->mac.type == e1000_pch_spt) { pba = E1000_PBA_26K; } else if (hw->mac.type == e1000_pch_cnp) { pba = E1000_PBA_26K; } else if (hw->mac.type == e1000_pch_tgp) { pba = E1000_PBA_26K; } else if (hw->mac.type == e1000_pch_adp) { pba = E1000_PBA_26K; } else if (hw->mac.type == e1000_pch_mtp) { pba = E1000_PBA_26K; } else if (hw->mac.type == e1000_pch_lnp) { pba = E1000_PBA_26K; } else if (hw->mac.type == e1000_pch_rpl) { pba = E1000_PBA_26K; } else if (hw->mac.type == e1000_pch_arl) { pba = E1000_PBA_26K; } else if (hw->mac.type == e1000_pch_ptp) { pba = E1000_PBA_26K; } else if (hw->mac.type == e1000_pch_nvl) { pba = E1000_PBA_26K; } else { /* * Total FIFO is 40K */ if (Adapter->max_frame_size > FRAME_SIZE_UPTO_8K) pba = E1000_PBA_22K; /* 22K for Rx, 18K for Tx */ else pba = E1000_PBA_30K; /* 30K for Rx, 10K for Tx */ } E1000_WRITE_REG(hw, E1000_PBA, pba); /* * These parameters set thresholds for the adapter's generation(Tx) * and response(Rx) to Ethernet PAUSE frames. These are just threshold * settings. Flow control is enabled or disabled in the configuration * file. * High-water mark is set down from the top of the rx fifo (not * sensitive to max_frame_size) and low-water is set just below * high-water mark. * The high water mark must be low enough to fit one full frame above * it in the rx FIFO. Should be the lower of: * 90% of the Rx FIFO size and the full Rx FIFO size minus the early * receive size (assuming ERT set to E1000_ERT_2048), or the full * Rx FIFO size minus one full frame. */ high_water = min(((pba << 10) * 9 / 10), ((hw->mac.type == e1000_82573 || hw->mac.type == e1000_82574 || hw->mac.type == e1000_ich9lan || hw->mac.type == e1000_ich10lan) ? ((pba << 10) - (E1000_ERT_2048 << 3)) : ((pba << 10) - Adapter->max_frame_size))); hw->fc.high_water = high_water & 0xFFF8; hw->fc.low_water = hw->fc.high_water - 8; if (hw->mac.type == e1000_80003es2lan) hw->fc.pause_time = 0xFFFF; else hw->fc.pause_time = E1000_FC_PAUSE_TIME; hw->fc.send_xon = B_TRUE; /* * Reset the adapter hardware the second time. */ mutex_enter(&e1000g_nvm_lock); result = e1000_reset_hw(hw); mutex_exit(&e1000g_nvm_lock); if (result != E1000_SUCCESS) { e1000g_fm_ereport(Adapter, DDI_FM_DEVICE_INVAL_STATE); goto init_fail; } /* disable wakeup control by default */ if (hw->mac.type >= e1000_82544) E1000_WRITE_REG(hw, E1000_WUC, 0); /* * MWI should be disabled on 82546. */ if (hw->mac.type == e1000_82546) e1000_pci_clear_mwi(hw); else e1000_pci_set_mwi(hw); /* * Configure/Initialize hardware */ mutex_enter(&e1000g_nvm_lock); result = e1000_init_hw(hw); mutex_exit(&e1000g_nvm_lock); if (result < E1000_SUCCESS) { e1000g_log(Adapter, CE_WARN, "Initialize hw failed"); e1000g_fm_ereport(Adapter, DDI_FM_DEVICE_INVAL_STATE); goto init_fail; } /* * Restore LED settings to the default from EEPROM * to meet the standard for Sun platforms. */ (void) e1000_cleanup_led(hw); /* Disable Smart Power Down */ phy_spd_state(hw, B_FALSE); /* Make sure driver has control */ e1000g_get_driver_control(hw); /* * Initialize unicast addresses. */ e1000g_init_unicst(Adapter); /* * Setup and initialize the mctable structures. After this routine * completes Multicast table will be set */ e1000_update_mc_addr_list(hw, (uint8_t *)Adapter->mcast_table, Adapter->mcast_count); msec_delay(5); /* * Implement Adaptive IFS */ e1000_reset_adaptive(hw); /* Setup Interrupt Throttling Register */ if (hw->mac.type >= e1000_82540) { E1000_WRITE_REG(hw, E1000_ITR, Adapter->intr_throttling_rate); } else Adapter->intr_adaptive = B_FALSE; /* Start the timer for link setup */ if (hw->mac.autoneg) link_timeout = PHY_AUTO_NEG_LIMIT * drv_usectohz(100000); else link_timeout = PHY_FORCE_LIMIT * drv_usectohz(100000); mutex_enter(&Adapter->link_lock); if (hw->phy.autoneg_wait_to_complete) { Adapter->link_complete = B_TRUE; } else { Adapter->link_complete = B_FALSE; Adapter->link_tid = timeout(e1000g_link_timer, (void *)Adapter, link_timeout); } mutex_exit(&Adapter->link_lock); /* Save the state of the phy */ e1000g_get_phy_state(Adapter); e1000g_param_sync(Adapter); Adapter->init_count++; if (e1000g_check_acc_handle(Adapter->osdep.cfg_handle) != DDI_FM_OK) { goto init_fail; } if (e1000g_check_acc_handle(Adapter->osdep.reg_handle) != DDI_FM_OK) { goto init_fail; } Adapter->poll_mode = e1000g_poll_mode; return (DDI_SUCCESS); init_fail: ddi_fm_service_impact(Adapter->dip, DDI_SERVICE_LOST); return (DDI_FAILURE); } static int e1000g_alloc_rx_data(struct e1000g *Adapter) { e1000g_rx_ring_t *rx_ring; e1000g_rx_data_t *rx_data; rx_ring = Adapter->rx_ring; rx_data = kmem_zalloc(sizeof (e1000g_rx_data_t), KM_NOSLEEP); if (rx_data == NULL) return (DDI_FAILURE); rx_data->priv_devi_node = Adapter->priv_devi_node; rx_data->rx_ring = rx_ring; mutex_init(&rx_data->freelist_lock, NULL, MUTEX_DRIVER, DDI_INTR_PRI(Adapter->intr_pri)); mutex_init(&rx_data->recycle_lock, NULL, MUTEX_DRIVER, DDI_INTR_PRI(Adapter->intr_pri)); rx_ring->rx_data = rx_data; return (DDI_SUCCESS); } void e1000g_free_rx_pending_buffers(e1000g_rx_data_t *rx_data) { rx_sw_packet_t *packet, *next_packet; if (rx_data == NULL) return; packet = rx_data->packet_area; while (packet != NULL) { next_packet = packet->next; e1000g_free_rx_sw_packet(packet, B_TRUE); packet = next_packet; } rx_data->packet_area = NULL; } void e1000g_free_rx_data(e1000g_rx_data_t *rx_data) { if (rx_data == NULL) return; mutex_destroy(&rx_data->freelist_lock); mutex_destroy(&rx_data->recycle_lock); kmem_free(rx_data, sizeof (e1000g_rx_data_t)); } /* * Check if the link is up */ static boolean_t e1000g_link_up(struct e1000g *Adapter) { struct e1000_hw *hw = &Adapter->shared; boolean_t link_up = B_FALSE; /* * get_link_status is set in the interrupt handler on link-status-change * or rx sequence error interrupt. get_link_status will stay * false until the e1000_check_for_link establishes link only * for copper adapters. */ switch (hw->phy.media_type) { case e1000_media_type_copper: if (hw->mac.get_link_status) { /* * SPT and newer devices need a bit of extra time before * we ask them. */ if (hw->mac.type >= e1000_pch_spt) msec_delay(50); (void) e1000_check_for_link(hw); if ((E1000_READ_REG(hw, E1000_STATUS) & E1000_STATUS_LU)) { link_up = B_TRUE; } else { link_up = !hw->mac.get_link_status; } } else { link_up = B_TRUE; } break; case e1000_media_type_fiber: (void) e1000_check_for_link(hw); link_up = (E1000_READ_REG(hw, E1000_STATUS) & E1000_STATUS_LU); break; case e1000_media_type_internal_serdes: (void) e1000_check_for_link(hw); link_up = hw->mac.serdes_has_link; break; } return (link_up); } static void e1000g_m_ioctl(void *arg, queue_t *q, mblk_t *mp) { struct iocblk *iocp; struct e1000g *e1000gp; enum ioc_reply status; iocp = (struct iocblk *)(uintptr_t)mp->b_rptr; iocp->ioc_error = 0; e1000gp = (struct e1000g *)arg; ASSERT(e1000gp); if (e1000gp == NULL) { miocnak(q, mp, 0, EINVAL); return; } rw_enter(&e1000gp->chip_lock, RW_READER); if (e1000gp->e1000g_state & E1000G_SUSPENDED) { rw_exit(&e1000gp->chip_lock); miocnak(q, mp, 0, EINVAL); return; } rw_exit(&e1000gp->chip_lock); switch (iocp->ioc_cmd) { case LB_GET_INFO_SIZE: case LB_GET_INFO: case LB_GET_MODE: case LB_SET_MODE: status = e1000g_loopback_ioctl(e1000gp, iocp, mp); break; #ifdef E1000G_DEBUG case E1000G_IOC_REG_PEEK: case E1000G_IOC_REG_POKE: status = e1000g_pp_ioctl(e1000gp, iocp, mp); break; case E1000G_IOC_CHIP_RESET: e1000gp->reset_count++; if (e1000g_reset_adapter(e1000gp)) status = IOC_ACK; else status = IOC_INVAL; break; #endif default: status = IOC_INVAL; break; } /* * Decide how to reply */ switch (status) { default: case IOC_INVAL: /* * Error, reply with a NAK and EINVAL or the specified error */ miocnak(q, mp, 0, iocp->ioc_error == 0 ? EINVAL : iocp->ioc_error); break; case IOC_DONE: /* * OK, reply already sent */ break; case IOC_ACK: /* * OK, reply with an ACK */ miocack(q, mp, 0, 0); break; case IOC_REPLY: /* * OK, send prepared reply as ACK or NAK */ mp->b_datap->db_type = iocp->ioc_error == 0 ? M_IOCACK : M_IOCNAK; qreply(q, mp); break; } } /* * The default value of e1000g_poll_mode == 0 assumes that the NIC is * capable of supporting only one interrupt and we shouldn't disable * the physical interrupt. In this case we let the interrupt come and * we queue the packets in the rx ring itself in case we are in polling * mode (better latency but slightly lower performance and a very * high intrrupt count in mpstat which is harmless). * * e1000g_poll_mode == 1 assumes that we have per Rx ring interrupt * which can be disabled in poll mode. This gives better overall * throughput (compared to the mode above), shows very low interrupt * count but has slightly higher latency since we pick the packets when * the poll thread does polling. * * Currently, this flag should be enabled only while doing performance * measurement or when it can be guaranteed that entire NIC going * in poll mode will not harm any traffic like cluster heartbeat etc. */ int e1000g_poll_mode = 0; /* * Called from the upper layers when driver is in polling mode to * pick up any queued packets. Care should be taken to not block * this thread. */ static mblk_t *e1000g_poll_ring(void *arg, int bytes_to_pickup) { e1000g_rx_ring_t *rx_ring = (e1000g_rx_ring_t *)arg; mblk_t *mp = NULL; mblk_t *tail; struct e1000g *adapter; adapter = rx_ring->adapter; rw_enter(&adapter->chip_lock, RW_READER); if (adapter->e1000g_state & E1000G_SUSPENDED) { rw_exit(&adapter->chip_lock); return (NULL); } mutex_enter(&rx_ring->rx_lock); mp = e1000g_receive(rx_ring, &tail, bytes_to_pickup); mutex_exit(&rx_ring->rx_lock); rw_exit(&adapter->chip_lock); return (mp); } static int e1000g_m_start(void *arg) { struct e1000g *Adapter = (struct e1000g *)arg; rw_enter(&Adapter->chip_lock, RW_WRITER); if (Adapter->e1000g_state & E1000G_SUSPENDED) { rw_exit(&Adapter->chip_lock); return (ECANCELED); } if (e1000g_start(Adapter, B_TRUE) != DDI_SUCCESS) { rw_exit(&Adapter->chip_lock); return (ENOTACTIVE); } Adapter->e1000g_state |= E1000G_STARTED; rw_exit(&Adapter->chip_lock); /* Enable and start the watchdog timer */ enable_watchdog_timer(Adapter); return (0); } static int e1000g_start(struct e1000g *Adapter, boolean_t global) { e1000g_rx_data_t *rx_data; if (global) { if (e1000g_alloc_rx_data(Adapter) != DDI_SUCCESS) { e1000g_log(Adapter, CE_WARN, "Allocate rx data failed"); goto start_fail; } /* Allocate dma resources for descriptors and buffers */ if (e1000g_alloc_dma_resources(Adapter) != DDI_SUCCESS) { e1000g_log(Adapter, CE_WARN, "Alloc DMA resources failed"); goto start_fail; } Adapter->rx_buffer_setup = B_FALSE; } if (!(Adapter->attach_progress & ATTACH_PROGRESS_INIT)) { if (e1000g_init(Adapter) != DDI_SUCCESS) { e1000g_log(Adapter, CE_WARN, "Adapter initialization failed"); goto start_fail; } } /* Setup and initialize the transmit structures */ e1000g_tx_setup(Adapter); msec_delay(5); /* Setup and initialize the receive structures */ e1000g_rx_setup(Adapter); msec_delay(5); /* Restore the e1000g promiscuous mode */ e1000g_restore_promisc(Adapter); e1000g_mask_interrupt(Adapter); Adapter->attach_progress |= ATTACH_PROGRESS_INIT; if (e1000g_check_acc_handle(Adapter->osdep.reg_handle) != DDI_FM_OK) { ddi_fm_service_impact(Adapter->dip, DDI_SERVICE_LOST); goto start_fail; } return (DDI_SUCCESS); start_fail: rx_data = Adapter->rx_ring->rx_data; if (global) { e1000g_release_dma_resources(Adapter); e1000g_free_rx_pending_buffers(rx_data); e1000g_free_rx_data(rx_data); } mutex_enter(&e1000g_nvm_lock); (void) e1000_reset_hw(&Adapter->shared); mutex_exit(&e1000g_nvm_lock); return (DDI_FAILURE); } /* * The I219 has the curious property that if the descriptor rings are not * emptied before resetting the hardware or before changing the device state * based on runtime power management, it'll cause the card to hang. This can * then only be fixed by a PCI reset. As such, for the I219 and it alone, we * have to flush the rings if we're in this state. */ static void e1000g_flush_desc_rings(struct e1000g *Adapter) { struct e1000_hw *hw = &Adapter->shared; u16 hang_state; u32 fext_nvm11, tdlen; /* First, disable MULR fix in FEXTNVM11 */ fext_nvm11 = E1000_READ_REG(hw, E1000_FEXTNVM11); fext_nvm11 |= E1000_FEXTNVM11_DISABLE_MULR_FIX; E1000_WRITE_REG(hw, E1000_FEXTNVM11, fext_nvm11); /* do nothing if we're not in faulty state, or if the queue is empty */ tdlen = E1000_READ_REG(hw, E1000_TDLEN(0)); hang_state = pci_config_get16(Adapter->osdep.cfg_handle, PCICFG_DESC_RING_STATUS); if (!(hang_state & FLUSH_DESC_REQUIRED) || !tdlen) return; e1000g_flush_tx_ring(Adapter); /* recheck, maybe the fault is caused by the rx ring */ hang_state = pci_config_get16(Adapter->osdep.cfg_handle, PCICFG_DESC_RING_STATUS); if (hang_state & FLUSH_DESC_REQUIRED) e1000g_flush_rx_ring(Adapter); } static void e1000g_m_stop(void *arg) { struct e1000g *Adapter = (struct e1000g *)arg; /* Drain tx sessions */ (void) e1000g_tx_drain(Adapter); rw_enter(&Adapter->chip_lock, RW_WRITER); if (Adapter->e1000g_state & E1000G_SUSPENDED) { rw_exit(&Adapter->chip_lock); return; } Adapter->e1000g_state &= ~E1000G_STARTED; e1000g_stop(Adapter, B_TRUE); rw_exit(&Adapter->chip_lock); /* Disable and stop all the timers */ disable_watchdog_timer(Adapter); stop_link_timer(Adapter); stop_82547_timer(Adapter->tx_ring); } static void e1000g_stop(struct e1000g *Adapter, boolean_t global) { private_devi_list_t *devi_node; e1000g_rx_data_t *rx_data; int result; Adapter->attach_progress &= ~ATTACH_PROGRESS_INIT; /* Stop the chip and release pending resources */ /* Tell firmware driver is no longer in control */ e1000g_release_driver_control(&Adapter->shared); e1000g_clear_all_interrupts(Adapter); mutex_enter(&e1000g_nvm_lock); result = e1000_reset_hw(&Adapter->shared); mutex_exit(&e1000g_nvm_lock); if (result != E1000_SUCCESS) { e1000g_fm_ereport(Adapter, DDI_FM_DEVICE_INVAL_STATE); ddi_fm_service_impact(Adapter->dip, DDI_SERVICE_LOST); } mutex_enter(&Adapter->link_lock); Adapter->link_complete = B_FALSE; mutex_exit(&Adapter->link_lock); /* Release resources still held by the TX descriptors */ e1000g_tx_clean(Adapter); if (e1000g_check_acc_handle(Adapter->osdep.reg_handle) != DDI_FM_OK) ddi_fm_service_impact(Adapter->dip, DDI_SERVICE_LOST); /* Clean the pending rx jumbo packet fragment */ e1000g_rx_clean(Adapter); /* * The I219, eg. the pch_spt, has bugs such that we must ensure that * rings are flushed before we do anything else. This must be done * before we release DMA resources. */ if (Adapter->shared.mac.type >= e1000_pch_spt) e1000g_flush_desc_rings(Adapter); if (global) { e1000g_release_dma_resources(Adapter); mutex_enter(&e1000g_rx_detach_lock); rx_data = Adapter->rx_ring->rx_data; rx_data->flag |= E1000G_RX_STOPPED; if (rx_data->pending_count == 0) { e1000g_free_rx_pending_buffers(rx_data); e1000g_free_rx_data(rx_data); } else { devi_node = rx_data->priv_devi_node; if (devi_node != NULL) atomic_inc_32(&devi_node->pending_rx_count); else atomic_inc_32(&Adapter->pending_rx_count); } mutex_exit(&e1000g_rx_detach_lock); } if (Adapter->link_state != LINK_STATE_UNKNOWN) { Adapter->link_state = LINK_STATE_UNKNOWN; if (!Adapter->reset_flag) mac_link_update(Adapter->mh, Adapter->link_state); } } static void e1000g_rx_clean(struct e1000g *Adapter) { e1000g_rx_data_t *rx_data = Adapter->rx_ring->rx_data; if (rx_data == NULL) return; if (rx_data->rx_mblk != NULL) { freemsg(rx_data->rx_mblk); rx_data->rx_mblk = NULL; rx_data->rx_mblk_tail = NULL; rx_data->rx_mblk_len = 0; } } static void e1000g_tx_clean(struct e1000g *Adapter) { e1000g_tx_ring_t *tx_ring; p_tx_sw_packet_t packet; mblk_t *mp; mblk_t *nmp; uint32_t packet_count; tx_ring = Adapter->tx_ring; /* * Here we don't need to protect the lists using * the usedlist_lock and freelist_lock, for they * have been protected by the chip_lock. */ mp = NULL; nmp = NULL; packet_count = 0; packet = (p_tx_sw_packet_t)QUEUE_GET_HEAD(&tx_ring->used_list); while (packet != NULL) { if (packet->mp != NULL) { /* Assemble the message chain */ if (mp == NULL) { mp = packet->mp; nmp = packet->mp; } else { nmp->b_next = packet->mp; nmp = packet->mp; } /* Disconnect the message from the sw packet */ packet->mp = NULL; } e1000g_free_tx_swpkt(packet); packet_count++; packet = (p_tx_sw_packet_t) QUEUE_GET_NEXT(&tx_ring->used_list, &packet->Link); } if (mp != NULL) freemsgchain(mp); if (packet_count > 0) { QUEUE_APPEND(&tx_ring->free_list, &tx_ring->used_list); QUEUE_INIT_LIST(&tx_ring->used_list); /* Setup TX descriptor pointers */ tx_ring->tbd_next = tx_ring->tbd_first; tx_ring->tbd_oldest = tx_ring->tbd_first; /* Setup our HW Tx Head & Tail descriptor pointers */ E1000_WRITE_REG(&Adapter->shared, E1000_TDH(0), 0); E1000_WRITE_REG(&Adapter->shared, E1000_TDT(0), 0); } } static boolean_t e1000g_tx_drain(struct e1000g *Adapter) { int i; boolean_t done; e1000g_tx_ring_t *tx_ring; tx_ring = Adapter->tx_ring; /* Allow up to 'wsdraintime' for pending xmit's to complete. */ for (i = 0; i < TX_DRAIN_TIME; i++) { mutex_enter(&tx_ring->usedlist_lock); done = IS_QUEUE_EMPTY(&tx_ring->used_list); mutex_exit(&tx_ring->usedlist_lock); if (done) break; msec_delay(1); } return (done); } static boolean_t e1000g_rx_drain(struct e1000g *Adapter) { int i; boolean_t done; /* * Allow up to RX_DRAIN_TIME for pending received packets to complete. */ for (i = 0; i < RX_DRAIN_TIME; i++) { done = (Adapter->pending_rx_count == 0); if (done) break; msec_delay(1); } return (done); } static boolean_t e1000g_reset_adapter(struct e1000g *Adapter) { /* Disable and stop all the timers */ disable_watchdog_timer(Adapter); stop_link_timer(Adapter); stop_82547_timer(Adapter->tx_ring); rw_enter(&Adapter->chip_lock, RW_WRITER); if (Adapter->stall_flag) { Adapter->stall_flag = B_FALSE; Adapter->reset_flag = B_TRUE; } if (!(Adapter->e1000g_state & E1000G_STARTED)) { rw_exit(&Adapter->chip_lock); return (B_TRUE); } e1000g_stop(Adapter, B_FALSE); if (e1000g_start(Adapter, B_FALSE) != DDI_SUCCESS) { rw_exit(&Adapter->chip_lock); e1000g_log(Adapter, CE_WARN, "Reset failed"); return (B_FALSE); } rw_exit(&Adapter->chip_lock); /* Enable and start the watchdog timer */ enable_watchdog_timer(Adapter); return (B_TRUE); } boolean_t e1000g_global_reset(struct e1000g *Adapter) { /* Disable and stop all the timers */ disable_watchdog_timer(Adapter); stop_link_timer(Adapter); stop_82547_timer(Adapter->tx_ring); rw_enter(&Adapter->chip_lock, RW_WRITER); e1000g_stop(Adapter, B_TRUE); Adapter->init_count = 0; if (e1000g_start(Adapter, B_TRUE) != DDI_SUCCESS) { rw_exit(&Adapter->chip_lock); e1000g_log(Adapter, CE_WARN, "Reset failed"); return (B_FALSE); } rw_exit(&Adapter->chip_lock); /* Enable and start the watchdog timer */ enable_watchdog_timer(Adapter); return (B_TRUE); } /* * e1000g_intr_pciexpress - ISR for PCI Express chipsets * * This interrupt service routine is for PCI-Express adapters. * The ICR contents is valid only when the E1000_ICR_INT_ASSERTED * bit is set. */ static uint_t e1000g_intr_pciexpress(caddr_t arg, caddr_t arg1 __unused) { struct e1000g *Adapter; uint32_t icr; Adapter = (struct e1000g *)(uintptr_t)arg; icr = E1000_READ_REG(&Adapter->shared, E1000_ICR); if (e1000g_check_acc_handle(Adapter->osdep.reg_handle) != DDI_FM_OK) { ddi_fm_service_impact(Adapter->dip, DDI_SERVICE_DEGRADED); return (DDI_INTR_CLAIMED); } if (icr & E1000_ICR_INT_ASSERTED) { /* * E1000_ICR_INT_ASSERTED bit was set: * Read(Clear) the ICR, claim this interrupt, * look for work to do. */ e1000g_intr_work(Adapter, icr); return (DDI_INTR_CLAIMED); } else { /* * E1000_ICR_INT_ASSERTED bit was not set: * Don't claim this interrupt, return immediately. */ return (DDI_INTR_UNCLAIMED); } } /* * e1000g_intr - ISR for PCI/PCI-X chipsets * * This interrupt service routine is for PCI/PCI-X adapters. * We check the ICR contents no matter the E1000_ICR_INT_ASSERTED * bit is set or not. */ static uint_t e1000g_intr(caddr_t arg, caddr_t arg1 __unused) { struct e1000g *Adapter; uint32_t icr; Adapter = (struct e1000g *)(uintptr_t)arg; icr = E1000_READ_REG(&Adapter->shared, E1000_ICR); if (e1000g_check_acc_handle(Adapter->osdep.reg_handle) != DDI_FM_OK) { ddi_fm_service_impact(Adapter->dip, DDI_SERVICE_DEGRADED); return (DDI_INTR_CLAIMED); } if (icr) { /* * Any bit was set in ICR: * Read(Clear) the ICR, claim this interrupt, * look for work to do. */ e1000g_intr_work(Adapter, icr); return (DDI_INTR_CLAIMED); } else { /* * No bit was set in ICR: * Don't claim this interrupt, return immediately. */ return (DDI_INTR_UNCLAIMED); } } /* * e1000g_intr_work - actual processing of ISR * * Read(clear) the ICR contents and call appropriate interrupt * processing routines. */ static void e1000g_intr_work(struct e1000g *Adapter, uint32_t icr) { struct e1000_hw *hw; hw = &Adapter->shared; e1000g_tx_ring_t *tx_ring = Adapter->tx_ring; Adapter->rx_pkt_cnt = 0; Adapter->tx_pkt_cnt = 0; rw_enter(&Adapter->chip_lock, RW_READER); if (Adapter->e1000g_state & E1000G_SUSPENDED) { rw_exit(&Adapter->chip_lock); return; } /* * Here we need to check the "e1000g_state" flag within the chip_lock to * ensure the receive routine will not execute when the adapter is * being reset. */ if (!(Adapter->e1000g_state & E1000G_STARTED)) { rw_exit(&Adapter->chip_lock); return; } if (icr & E1000_ICR_RXT0) { mblk_t *mp = NULL; mblk_t *tail = NULL; e1000g_rx_ring_t *rx_ring; rx_ring = Adapter->rx_ring; mutex_enter(&rx_ring->rx_lock); /* * Sometimes with legacy interrupts, it possible that * there is a single interrupt for Rx/Tx. In which * case, if poll flag is set, we shouldn't really * be doing Rx processing. */ if (!rx_ring->poll_flag) mp = e1000g_receive(rx_ring, &tail, E1000G_CHAIN_NO_LIMIT); mutex_exit(&rx_ring->rx_lock); rw_exit(&Adapter->chip_lock); if (mp != NULL) mac_rx_ring(Adapter->mh, rx_ring->mrh, mp, rx_ring->ring_gen_num); } else rw_exit(&Adapter->chip_lock); if (icr & E1000_ICR_TXDW) { if (!Adapter->tx_intr_enable) e1000g_clear_tx_interrupt(Adapter); /* Recycle the tx descriptors */ rw_enter(&Adapter->chip_lock, RW_READER); (void) e1000g_recycle(tx_ring); E1000G_DEBUG_STAT(tx_ring->stat_recycle_intr); rw_exit(&Adapter->chip_lock); if (tx_ring->resched_needed && (tx_ring->tbd_avail > DEFAULT_TX_UPDATE_THRESHOLD)) { tx_ring->resched_needed = B_FALSE; mac_tx_update(Adapter->mh); E1000G_STAT(tx_ring->stat_reschedule); } } /* * The Receive Sequence errors RXSEQ and the link status change LSC * are checked to detect that the cable has been pulled out. For * the Wiseman 2.0 silicon, the receive sequence errors interrupt * are an indication that cable is not connected. */ if ((icr & E1000_ICR_RXSEQ) || (icr & E1000_ICR_LSC) || (icr & E1000_ICR_GPI_EN1)) { boolean_t link_changed; timeout_id_t tid = 0; stop_watchdog_timer(Adapter); rw_enter(&Adapter->chip_lock, RW_WRITER); /* * Because we got a link-status-change interrupt, force * e1000_check_for_link() to look at phy */ Adapter->shared.mac.get_link_status = B_TRUE; /* e1000g_link_check takes care of link status change */ link_changed = e1000g_link_check(Adapter); /* Get new phy state */ e1000g_get_phy_state(Adapter); /* * If the link timer has not timed out, we'll not notify * the upper layer with any link state until the link is up. */ if (link_changed && !Adapter->link_complete) { if (Adapter->link_state == LINK_STATE_UP) { mutex_enter(&Adapter->link_lock); Adapter->link_complete = B_TRUE; tid = Adapter->link_tid; Adapter->link_tid = 0; mutex_exit(&Adapter->link_lock); } else { link_changed = B_FALSE; } } rw_exit(&Adapter->chip_lock); if (link_changed) { if (tid != 0) (void) untimeout(tid); /* * Workaround for esb2. Data stuck in fifo on a link * down event. Stop receiver here and reset in watchdog. */ if ((Adapter->link_state == LINK_STATE_DOWN) && (Adapter->shared.mac.type == e1000_80003es2lan)) { uint32_t rctl = E1000_READ_REG(hw, E1000_RCTL); E1000_WRITE_REG(hw, E1000_RCTL, rctl & ~E1000_RCTL_EN); e1000g_log(Adapter, CE_WARN, "ESB2 receiver disabled"); Adapter->esb2_workaround = B_TRUE; } if (!Adapter->reset_flag) mac_link_update(Adapter->mh, Adapter->link_state); if (Adapter->link_state == LINK_STATE_UP) Adapter->reset_flag = B_FALSE; } start_watchdog_timer(Adapter); } } static void e1000g_init_unicst(struct e1000g *Adapter) { struct e1000_hw *hw; int slot; hw = &Adapter->shared; if (Adapter->init_count == 0) { /* Initialize the multiple unicast addresses */ Adapter->unicst_total = min(hw->mac.rar_entry_count, MAX_NUM_UNICAST_ADDRESSES); /* * The common code does not correctly calculate the number of * rar's that could be reserved by firmware for the pch_lpt and * pch_spt macs. The interface has one primary rar, and 11 * additional ones. Those 11 additional ones are not always * available. According to the datasheet, we need to check a * few of the bits set in the FWSM register. If the value is * zero, everything is available. If the value is 1, none of the * additional registers are available. If the value is 2-7, only * that number are available. */ if (hw->mac.type >= e1000_pch_lpt) { uint32_t locked, rar; locked = E1000_READ_REG(hw, E1000_FWSM) & E1000_FWSM_WLOCK_MAC_MASK; locked >>= E1000_FWSM_WLOCK_MAC_SHIFT; rar = 1; if (locked == 0) rar += 11; else if (locked == 1) rar += 0; else rar += locked; Adapter->unicst_total = min(rar, MAX_NUM_UNICAST_ADDRESSES); } /* Workaround for an erratum of 82571 chipst */ if ((hw->mac.type == e1000_82571) && (e1000_get_laa_state_82571(hw) == B_TRUE)) Adapter->unicst_total--; /* VMware doesn't support multiple mac addresses properly */ if (hw->subsystem_vendor_id == 0x15ad) Adapter->unicst_total = 1; Adapter->unicst_avail = Adapter->unicst_total; for (slot = 0; slot < Adapter->unicst_total; slot++) { /* Clear both the flag and MAC address */ Adapter->unicst_addr[slot].reg.high = 0; Adapter->unicst_addr[slot].reg.low = 0; } } else { /* Workaround for an erratum of 82571 chipst */ if ((hw->mac.type == e1000_82571) && (e1000_get_laa_state_82571(hw) == B_TRUE)) (void) e1000_rar_set(hw, hw->mac.addr, LAST_RAR_ENTRY); /* Re-configure the RAR registers */ for (slot = 0; slot < Adapter->unicst_total; slot++) if (Adapter->unicst_addr[slot].mac.set == 1) (void) e1000_rar_set(hw, Adapter->unicst_addr[slot].mac.addr, slot); } if (e1000g_check_acc_handle(Adapter->osdep.reg_handle) != DDI_FM_OK) ddi_fm_service_impact(Adapter->dip, DDI_SERVICE_DEGRADED); } static int e1000g_unicst_set(struct e1000g *Adapter, const uint8_t *mac_addr, int slot) { struct e1000_hw *hw; hw = &Adapter->shared; /* * The first revision of Wiseman silicon (rev 2.0) has an errata * that requires the receiver to be in reset when any of the * receive address registers (RAR regs) are accessed. The first * rev of Wiseman silicon also requires MWI to be disabled when * a global reset or a receive reset is issued. So before we * initialize the RARs, we check the rev of the Wiseman controller * and work around any necessary HW errata. */ if ((hw->mac.type == e1000_82542) && (hw->revision_id == E1000_REVISION_2)) { e1000_pci_clear_mwi(hw); E1000_WRITE_REG(hw, E1000_RCTL, E1000_RCTL_RST); msec_delay(5); } if (mac_addr == NULL) { E1000_WRITE_REG_ARRAY(hw, E1000_RA, slot << 1, 0); E1000_WRITE_FLUSH(hw); E1000_WRITE_REG_ARRAY(hw, E1000_RA, (slot << 1) + 1, 0); E1000_WRITE_FLUSH(hw); /* Clear both the flag and MAC address */ Adapter->unicst_addr[slot].reg.high = 0; Adapter->unicst_addr[slot].reg.low = 0; } else { bcopy(mac_addr, Adapter->unicst_addr[slot].mac.addr, ETHERADDRL); (void) e1000_rar_set(hw, (uint8_t *)mac_addr, slot); Adapter->unicst_addr[slot].mac.set = 1; } /* Workaround for an erratum of 82571 chipst */ if (slot == 0) { if ((hw->mac.type == e1000_82571) && (e1000_get_laa_state_82571(hw) == B_TRUE)) if (mac_addr == NULL) { E1000_WRITE_REG_ARRAY(hw, E1000_RA, slot << 1, 0); E1000_WRITE_FLUSH(hw); E1000_WRITE_REG_ARRAY(hw, E1000_RA, (slot << 1) + 1, 0); E1000_WRITE_FLUSH(hw); } else { (void) e1000_rar_set(hw, (uint8_t *)mac_addr, LAST_RAR_ENTRY); } } /* * If we are using Wiseman rev 2.0 silicon, we will have previously * put the receive in reset, and disabled MWI, to work around some * HW errata. Now we should take the receiver out of reset, and * re-enabled if MWI if it was previously enabled by the PCI BIOS. */ if ((hw->mac.type == e1000_82542) && (hw->revision_id == E1000_REVISION_2)) { E1000_WRITE_REG(hw, E1000_RCTL, 0); msec_delay(1); if (hw->bus.pci_cmd_word & CMD_MEM_WRT_INVALIDATE) e1000_pci_set_mwi(hw); e1000g_rx_setup(Adapter); } if (e1000g_check_acc_handle(Adapter->osdep.reg_handle) != DDI_FM_OK) { ddi_fm_service_impact(Adapter->dip, DDI_SERVICE_DEGRADED); return (EIO); } return (0); } static int multicst_add(struct e1000g *Adapter, const uint8_t *multiaddr) { struct e1000_hw *hw = &Adapter->shared; struct ether_addr *newtable; size_t new_len; size_t old_len; int res = 0; if ((multiaddr[0] & 01) == 0) { res = EINVAL; e1000g_log(Adapter, CE_WARN, "Illegal multicast address"); goto done; } if (Adapter->mcast_count >= Adapter->mcast_max_num) { res = ENOENT; e1000g_log(Adapter, CE_WARN, "Adapter requested more than %d mcast addresses", Adapter->mcast_max_num); goto done; } if (Adapter->mcast_count == Adapter->mcast_alloc_count) { old_len = Adapter->mcast_alloc_count * sizeof (struct ether_addr); new_len = (Adapter->mcast_alloc_count + MCAST_ALLOC_SIZE) * sizeof (struct ether_addr); newtable = kmem_alloc(new_len, KM_NOSLEEP); if (newtable == NULL) { res = ENOMEM; e1000g_log(Adapter, CE_WARN, "Not enough memory to alloc mcast table"); goto done; } if (Adapter->mcast_table != NULL) { bcopy(Adapter->mcast_table, newtable, old_len); kmem_free(Adapter->mcast_table, old_len); } Adapter->mcast_alloc_count += MCAST_ALLOC_SIZE; Adapter->mcast_table = newtable; } bcopy(multiaddr, &Adapter->mcast_table[Adapter->mcast_count], ETHERADDRL); Adapter->mcast_count++; /* * Update the MC table in the hardware */ e1000g_clear_interrupt(Adapter); e1000_update_mc_addr_list(hw, (uint8_t *)Adapter->mcast_table, Adapter->mcast_count); e1000g_mask_interrupt(Adapter); if (e1000g_check_acc_handle(Adapter->osdep.reg_handle) != DDI_FM_OK) { ddi_fm_service_impact(Adapter->dip, DDI_SERVICE_DEGRADED); res = EIO; } done: return (res); } static int multicst_remove(struct e1000g *Adapter, const uint8_t *multiaddr) { struct e1000_hw *hw = &Adapter->shared; struct ether_addr *newtable; size_t new_len; size_t old_len; unsigned i; for (i = 0; i < Adapter->mcast_count; i++) { if (bcmp(multiaddr, &Adapter->mcast_table[i], ETHERADDRL) == 0) { for (i++; i < Adapter->mcast_count; i++) { Adapter->mcast_table[i - 1] = Adapter->mcast_table[i]; } Adapter->mcast_count--; break; } } if ((Adapter->mcast_alloc_count - Adapter->mcast_count) > MCAST_ALLOC_SIZE) { old_len = Adapter->mcast_alloc_count * sizeof (struct ether_addr); new_len = (Adapter->mcast_alloc_count - MCAST_ALLOC_SIZE) * sizeof (struct ether_addr); newtable = kmem_alloc(new_len, KM_NOSLEEP); if (newtable != NULL) { bcopy(Adapter->mcast_table, newtable, new_len); kmem_free(Adapter->mcast_table, old_len); Adapter->mcast_alloc_count -= MCAST_ALLOC_SIZE; Adapter->mcast_table = newtable; } } /* * Update the MC table in the hardware */ e1000g_clear_interrupt(Adapter); e1000_update_mc_addr_list(hw, (uint8_t *)Adapter->mcast_table, Adapter->mcast_count); e1000g_mask_interrupt(Adapter); if (e1000g_check_acc_handle(Adapter->osdep.reg_handle) != DDI_FM_OK) { ddi_fm_service_impact(Adapter->dip, DDI_SERVICE_DEGRADED); return (EIO); } return (0); } static void e1000g_release_multicast(struct e1000g *Adapter) { if (Adapter->mcast_table != NULL) { kmem_free(Adapter->mcast_table, Adapter->mcast_alloc_count * sizeof (struct ether_addr)); Adapter->mcast_table = NULL; } } int e1000g_m_multicst(void *arg, boolean_t add, const uint8_t *addr) { struct e1000g *Adapter = (struct e1000g *)arg; int result; rw_enter(&Adapter->chip_lock, RW_WRITER); if (Adapter->e1000g_state & E1000G_SUSPENDED) { result = ECANCELED; goto done; } result = (add) ? multicst_add(Adapter, addr) : multicst_remove(Adapter, addr); done: rw_exit(&Adapter->chip_lock); return (result); } int e1000g_m_promisc(void *arg, boolean_t on) { struct e1000g *Adapter = (struct e1000g *)arg; uint32_t rctl; rw_enter(&Adapter->chip_lock, RW_WRITER); if (Adapter->e1000g_state & E1000G_SUSPENDED) { rw_exit(&Adapter->chip_lock); return (ECANCELED); } rctl = E1000_READ_REG(&Adapter->shared, E1000_RCTL); if (on) rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_BAM); else rctl &= (~(E1000_RCTL_UPE | E1000_RCTL_MPE)); E1000_WRITE_REG(&Adapter->shared, E1000_RCTL, rctl); Adapter->e1000g_promisc = on; rw_exit(&Adapter->chip_lock); if (e1000g_check_acc_handle(Adapter->osdep.reg_handle) != DDI_FM_OK) { ddi_fm_service_impact(Adapter->dip, DDI_SERVICE_DEGRADED); return (EIO); } return (0); } /* * Entry points to enable and disable interrupts at the granularity of * a group. * Turns the poll_mode for the whole adapter on and off to enable or * override the ring level polling control over the hardware interrupts. */ static int e1000g_rx_group_intr_enable(mac_intr_handle_t arg) { struct e1000g *adapter = (struct e1000g *)arg; e1000g_rx_ring_t *rx_ring = adapter->rx_ring; /* * Later interrupts at the granularity of the this ring will * invoke mac_rx() with NULL, indicating the need for another * software classification. * We have a single ring usable per adapter now, so we only need to * reset the rx handle for that one. * When more RX rings can be used, we should update each one of them. */ mutex_enter(&rx_ring->rx_lock); rx_ring->mrh = NULL; adapter->poll_mode = B_FALSE; mutex_exit(&rx_ring->rx_lock); return (0); } static int e1000g_rx_group_intr_disable(mac_intr_handle_t arg) { struct e1000g *adapter = (struct e1000g *)arg; e1000g_rx_ring_t *rx_ring = adapter->rx_ring; mutex_enter(&rx_ring->rx_lock); /* * Later interrupts at the granularity of the this ring will * invoke mac_rx() with the handle for this ring; */ adapter->poll_mode = B_TRUE; rx_ring->mrh = rx_ring->mrh_init; mutex_exit(&rx_ring->rx_lock); return (0); } /* * Entry points to enable and disable interrupts at the granularity of * a ring. * adapter poll_mode controls whether we actually proceed with hardware * interrupt toggling. */ static int e1000g_rx_ring_intr_enable(mac_intr_handle_t intrh) { e1000g_rx_ring_t *rx_ring = (e1000g_rx_ring_t *)intrh; struct e1000g *adapter = rx_ring->adapter; struct e1000_hw *hw = &adapter->shared; uint32_t intr_mask; rw_enter(&adapter->chip_lock, RW_READER); if (adapter->e1000g_state & E1000G_SUSPENDED) { rw_exit(&adapter->chip_lock); return (0); } mutex_enter(&rx_ring->rx_lock); rx_ring->poll_flag = 0; mutex_exit(&rx_ring->rx_lock); /* Rx interrupt enabling for MSI and legacy */ intr_mask = E1000_READ_REG(hw, E1000_IMS); intr_mask |= E1000_IMS_RXT0; E1000_WRITE_REG(hw, E1000_IMS, intr_mask); E1000_WRITE_FLUSH(hw); /* Trigger a Rx interrupt to check Rx ring */ E1000_WRITE_REG(hw, E1000_ICS, E1000_IMS_RXT0); E1000_WRITE_FLUSH(hw); rw_exit(&adapter->chip_lock); return (0); } static int e1000g_rx_ring_intr_disable(mac_intr_handle_t intrh) { e1000g_rx_ring_t *rx_ring = (e1000g_rx_ring_t *)intrh; struct e1000g *adapter = rx_ring->adapter; struct e1000_hw *hw = &adapter->shared; rw_enter(&adapter->chip_lock, RW_READER); if (adapter->e1000g_state & E1000G_SUSPENDED) { rw_exit(&adapter->chip_lock); return (0); } mutex_enter(&rx_ring->rx_lock); rx_ring->poll_flag = 1; mutex_exit(&rx_ring->rx_lock); /* Rx interrupt disabling for MSI and legacy */ E1000_WRITE_REG(hw, E1000_IMC, E1000_IMS_RXT0); E1000_WRITE_FLUSH(hw); rw_exit(&adapter->chip_lock); return (0); } /* * e1000g_unicst_find - Find the slot for the specified unicast address */ static int e1000g_unicst_find(struct e1000g *Adapter, const uint8_t *mac_addr) { int slot; for (slot = 0; slot < Adapter->unicst_total; slot++) { if ((Adapter->unicst_addr[slot].mac.set == 1) && (bcmp(Adapter->unicst_addr[slot].mac.addr, mac_addr, ETHERADDRL) == 0)) return (slot); } return (-1); } /* * Entry points to add and remove a MAC address to a ring group. * The caller takes care of adding and removing the MAC addresses * to the filter via these two routines. */ static int e1000g_addmac(void *arg, const uint8_t *mac_addr) { struct e1000g *Adapter = (struct e1000g *)arg; int slot, err; rw_enter(&Adapter->chip_lock, RW_WRITER); if (Adapter->e1000g_state & E1000G_SUSPENDED) { rw_exit(&Adapter->chip_lock); return (ECANCELED); } if (e1000g_unicst_find(Adapter, mac_addr) != -1) { /* The same address is already in slot */ rw_exit(&Adapter->chip_lock); return (0); } if (Adapter->unicst_avail == 0) { /* no slots available */ rw_exit(&Adapter->chip_lock); return (ENOSPC); } /* Search for a free slot */ for (slot = 0; slot < Adapter->unicst_total; slot++) { if (Adapter->unicst_addr[slot].mac.set == 0) break; } ASSERT(slot < Adapter->unicst_total); err = e1000g_unicst_set(Adapter, mac_addr, slot); if (err == 0) Adapter->unicst_avail--; rw_exit(&Adapter->chip_lock); return (err); } static int e1000g_remmac(void *arg, const uint8_t *mac_addr) { struct e1000g *Adapter = (struct e1000g *)arg; int slot, err; rw_enter(&Adapter->chip_lock, RW_WRITER); if (Adapter->e1000g_state & E1000G_SUSPENDED) { rw_exit(&Adapter->chip_lock); return (ECANCELED); } slot = e1000g_unicst_find(Adapter, mac_addr); if (slot == -1) { rw_exit(&Adapter->chip_lock); return (EINVAL); } ASSERT(Adapter->unicst_addr[slot].mac.set); /* Clear this slot */ err = e1000g_unicst_set(Adapter, NULL, slot); if (err == 0) Adapter->unicst_avail++; rw_exit(&Adapter->chip_lock); return (err); } static int e1000g_ring_start(mac_ring_driver_t rh, uint64_t mr_gen_num) { e1000g_rx_ring_t *rx_ring = (e1000g_rx_ring_t *)rh; mutex_enter(&rx_ring->rx_lock); rx_ring->ring_gen_num = mr_gen_num; mutex_exit(&rx_ring->rx_lock); return (0); } /* * Callback funtion for MAC layer to register all rings. * * The hardware supports a single group with currently only one ring * available. * Though not offering virtualization ability per se, exposing the * group/ring still enables the polling and interrupt toggling. */ /* ARGSUSED */ void e1000g_fill_ring(void *arg, mac_ring_type_t rtype, const int grp_index, const int ring_index, mac_ring_info_t *infop, mac_ring_handle_t rh) { struct e1000g *Adapter = (struct e1000g *)arg; e1000g_rx_ring_t *rx_ring = Adapter->rx_ring; mac_intr_t *mintr; /* * We advertised only RX group/rings, so the MAC framework shouldn't * ask for any thing else. */ ASSERT(rtype == MAC_RING_TYPE_RX && grp_index == 0 && ring_index == 0); rx_ring->mrh = rx_ring->mrh_init = rh; infop->mri_driver = (mac_ring_driver_t)rx_ring; infop->mri_start = e1000g_ring_start; infop->mri_stop = NULL; infop->mri_poll = e1000g_poll_ring; infop->mri_stat = e1000g_rx_ring_stat; /* Ring level interrupts */ mintr = &infop->mri_intr; mintr->mi_handle = (mac_intr_handle_t)rx_ring; mintr->mi_enable = e1000g_rx_ring_intr_enable; mintr->mi_disable = e1000g_rx_ring_intr_disable; if (Adapter->msi_enable) mintr->mi_ddi_handle = Adapter->htable[0]; } /* ARGSUSED */ static void e1000g_fill_group(void *arg, mac_ring_type_t rtype, const int grp_index, mac_group_info_t *infop, mac_group_handle_t gh) { struct e1000g *Adapter = (struct e1000g *)arg; mac_intr_t *mintr; /* * We advertised a single RX ring. Getting a request for anything else * signifies a bug in the MAC framework. */ ASSERT(rtype == MAC_RING_TYPE_RX && grp_index == 0); Adapter->rx_group = gh; infop->mgi_driver = (mac_group_driver_t)Adapter; infop->mgi_start = NULL; infop->mgi_stop = NULL; infop->mgi_addmac = e1000g_addmac; infop->mgi_remmac = e1000g_remmac; infop->mgi_count = 1; /* Group level interrupts */ mintr = &infop->mgi_intr; mintr->mi_handle = (mac_intr_handle_t)Adapter; mintr->mi_enable = e1000g_rx_group_intr_enable; mintr->mi_disable = e1000g_rx_group_intr_disable; } static void e1000g_led_blink(void *arg) { e1000g_t *e1000g = arg; mutex_enter(&e1000g->e1000g_led_lock); VERIFY(e1000g->e1000g_emul_blink); if (e1000g->e1000g_emul_state) { (void) e1000_led_on(&e1000g->shared); } else { (void) e1000_led_off(&e1000g->shared); } e1000g->e1000g_emul_state = !e1000g->e1000g_emul_state; mutex_exit(&e1000g->e1000g_led_lock); } static int e1000g_led_set(void *arg, mac_led_mode_t mode, uint_t flags) { e1000g_t *e1000g = arg; if (flags != 0) return (EINVAL); if (mode != MAC_LED_DEFAULT && mode != MAC_LED_IDENT && mode != MAC_LED_OFF && mode != MAC_LED_ON) return (ENOTSUP); mutex_enter(&e1000g->e1000g_led_lock); if ((mode == MAC_LED_IDENT || mode == MAC_LED_OFF || mode == MAC_LED_ON) && !e1000g->e1000g_led_setup) { if (e1000_setup_led(&e1000g->shared) != E1000_SUCCESS) { mutex_exit(&e1000g->e1000g_led_lock); return (EIO); } e1000g->e1000g_led_setup = B_TRUE; } if (mode != MAC_LED_IDENT && e1000g->e1000g_blink != NULL) { ddi_periodic_t id = e1000g->e1000g_blink; e1000g->e1000g_blink = NULL; mutex_exit(&e1000g->e1000g_led_lock); ddi_periodic_delete(id); mutex_enter(&e1000g->e1000g_led_lock); } switch (mode) { case MAC_LED_DEFAULT: if (e1000g->e1000g_led_setup) { if (e1000_cleanup_led(&e1000g->shared) != E1000_SUCCESS) { mutex_exit(&e1000g->e1000g_led_lock); return (EIO); } e1000g->e1000g_led_setup = B_FALSE; } break; case MAC_LED_IDENT: if (e1000g->e1000g_emul_blink) { if (e1000g->e1000g_blink != NULL) break; /* * Note, we use a 200 ms period here as that's what * section 10.1.3 8254x Intel Manual (PCI/PCI-X Family * of Gigabit Ethernet Controllers Software Developer's * Manual) indicates that the optional blink hardware * operates at. */ e1000g->e1000g_blink = ddi_periodic_add(e1000g_led_blink, e1000g, 200ULL * (NANOSEC / MILLISEC), DDI_IPL_0); } else if (e1000_blink_led(&e1000g->shared) != E1000_SUCCESS) { mutex_exit(&e1000g->e1000g_led_lock); return (EIO); } break; case MAC_LED_OFF: if (e1000_led_off(&e1000g->shared) != E1000_SUCCESS) { mutex_exit(&e1000g->e1000g_led_lock); return (EIO); } break; case MAC_LED_ON: if (e1000_led_on(&e1000g->shared) != E1000_SUCCESS) { mutex_exit(&e1000g->e1000g_led_lock); return (EIO); } break; default: mutex_exit(&e1000g->e1000g_led_lock); return (ENOTSUP); } mutex_exit(&e1000g->e1000g_led_lock); return (0); } static boolean_t e1000g_m_getcapab(void *arg, mac_capab_t cap, void *cap_data) { struct e1000g *Adapter = (struct e1000g *)arg; switch (cap) { case MAC_CAPAB_HCKSUM: { uint32_t *txflags = cap_data; if (Adapter->tx_hcksum_enable) *txflags = HCKSUM_IPHDRCKSUM | HCKSUM_INET_PARTIAL; else return (B_FALSE); break; } case MAC_CAPAB_LSO: { mac_capab_lso_t *cap_lso = cap_data; if (Adapter->lso_enable) { cap_lso->lso_flags = LSO_TX_BASIC_TCP_IPV4; cap_lso->lso_basic_tcp_ipv4.lso_max = E1000_LSO_MAXLEN; } else return (B_FALSE); break; } case MAC_CAPAB_RINGS: { mac_capab_rings_t *cap_rings = cap_data; /* No TX rings exposed yet */ if (cap_rings->mr_type != MAC_RING_TYPE_RX) return (B_FALSE); cap_rings->mr_group_type = MAC_GROUP_TYPE_STATIC; cap_rings->mr_rnum = 1; cap_rings->mr_gnum = 1; cap_rings->mr_rget = e1000g_fill_ring; cap_rings->mr_gget = e1000g_fill_group; break; } case MAC_CAPAB_LED: { mac_capab_led_t *cap_led = cap_data; cap_led->mcl_flags = 0; cap_led->mcl_modes = MAC_LED_DEFAULT; if (Adapter->shared.mac.ops.blink_led != NULL && Adapter->shared.mac.ops.blink_led != e1000_null_ops_generic) { cap_led->mcl_modes |= MAC_LED_IDENT; } if (Adapter->shared.mac.ops.led_off != NULL && Adapter->shared.mac.ops.led_off != e1000_null_ops_generic) { cap_led->mcl_modes |= MAC_LED_OFF; } if (Adapter->shared.mac.ops.led_on != NULL && Adapter->shared.mac.ops.led_on != e1000_null_ops_generic) { cap_led->mcl_modes |= MAC_LED_ON; } /* * Some hardware doesn't support blinking natively as they're * missing the optional blink circuit. If they have both off and * on then we'll emulate it ourselves. */ if (((cap_led->mcl_modes & MAC_LED_IDENT) == 0) && ((cap_led->mcl_modes & MAC_LED_OFF) != 0) && ((cap_led->mcl_modes & MAC_LED_ON) != 0)) { cap_led->mcl_modes |= MAC_LED_IDENT; Adapter->e1000g_emul_blink = B_TRUE; } cap_led->mcl_set = e1000g_led_set; break; } default: return (B_FALSE); } return (B_TRUE); } static boolean_t e1000g_param_locked(mac_prop_id_t pr_num) { /* * All en_* parameters are locked (read-only) while * the device is in any sort of loopback mode ... */ switch (pr_num) { case MAC_PROP_EN_1000FDX_CAP: case MAC_PROP_EN_1000HDX_CAP: case MAC_PROP_EN_100FDX_CAP: case MAC_PROP_EN_100HDX_CAP: case MAC_PROP_EN_10FDX_CAP: case MAC_PROP_EN_10HDX_CAP: case MAC_PROP_AUTONEG: case MAC_PROP_FLOWCTRL: return (B_TRUE); } return (B_FALSE); } /* * callback function for set/get of properties */ static int e1000g_m_setprop(void *arg, const char *pr_name, mac_prop_id_t pr_num, uint_t pr_valsize, const void *pr_val) { struct e1000g *Adapter = arg; struct e1000_hw *hw = &Adapter->shared; struct e1000_fc_info *fc = &Adapter->shared.fc; int err = 0; link_flowctrl_t flowctrl; uint32_t cur_mtu, new_mtu; rw_enter(&Adapter->chip_lock, RW_WRITER); if (Adapter->e1000g_state & E1000G_SUSPENDED) { rw_exit(&Adapter->chip_lock); return (ECANCELED); } if (Adapter->loopback_mode != E1000G_LB_NONE && e1000g_param_locked(pr_num)) { /* * All en_* parameters are locked (read-only) * while the device is in any sort of loopback mode. */ rw_exit(&Adapter->chip_lock); return (EBUSY); } switch (pr_num) { case MAC_PROP_EN_1000FDX_CAP: if (hw->phy.media_type != e1000_media_type_copper) { err = ENOTSUP; break; } Adapter->param_en_1000fdx = *(uint8_t *)pr_val; Adapter->param_adv_1000fdx = *(uint8_t *)pr_val; goto reset; case MAC_PROP_EN_100FDX_CAP: if (hw->phy.media_type != e1000_media_type_copper) { err = ENOTSUP; break; } Adapter->param_en_100fdx = *(uint8_t *)pr_val; Adapter->param_adv_100fdx = *(uint8_t *)pr_val; goto reset; case MAC_PROP_EN_100HDX_CAP: if (hw->phy.media_type != e1000_media_type_copper) { err = ENOTSUP; break; } Adapter->param_en_100hdx = *(uint8_t *)pr_val; Adapter->param_adv_100hdx = *(uint8_t *)pr_val; goto reset; case MAC_PROP_EN_10FDX_CAP: if (hw->phy.media_type != e1000_media_type_copper) { err = ENOTSUP; break; } Adapter->param_en_10fdx = *(uint8_t *)pr_val; Adapter->param_adv_10fdx = *(uint8_t *)pr_val; goto reset; case MAC_PROP_EN_10HDX_CAP: if (hw->phy.media_type != e1000_media_type_copper) { err = ENOTSUP; break; } Adapter->param_en_10hdx = *(uint8_t *)pr_val; Adapter->param_adv_10hdx = *(uint8_t *)pr_val; goto reset; case MAC_PROP_AUTONEG: if (hw->phy.media_type != e1000_media_type_copper) { err = ENOTSUP; break; } Adapter->param_adv_autoneg = *(uint8_t *)pr_val; goto reset; case MAC_PROP_FLOWCTRL: fc->send_xon = B_TRUE; bcopy(pr_val, &flowctrl, sizeof (flowctrl)); switch (flowctrl) { default: err = EINVAL; break; case LINK_FLOWCTRL_NONE: fc->requested_mode = e1000_fc_none; break; case LINK_FLOWCTRL_RX: fc->requested_mode = e1000_fc_rx_pause; break; case LINK_FLOWCTRL_TX: fc->requested_mode = e1000_fc_tx_pause; break; case LINK_FLOWCTRL_BI: fc->requested_mode = e1000_fc_full; break; } reset: if (err == 0) { /* check PCH limits & reset the link */ e1000g_pch_limits(Adapter); if (e1000g_reset_link(Adapter) != DDI_SUCCESS) err = EINVAL; } break; case MAC_PROP_ADV_1000FDX_CAP: case MAC_PROP_ADV_1000HDX_CAP: case MAC_PROP_ADV_100FDX_CAP: case MAC_PROP_ADV_100HDX_CAP: case MAC_PROP_ADV_10FDX_CAP: case MAC_PROP_ADV_10HDX_CAP: case MAC_PROP_EN_1000HDX_CAP: case MAC_PROP_STATUS: case MAC_PROP_SPEED: case MAC_PROP_DUPLEX: case MAC_PROP_MEDIA: err = ENOTSUP; /* read-only prop. Can't set this. */ break; case MAC_PROP_MTU: /* adapter must be stopped for an MTU change */ if (Adapter->e1000g_state & E1000G_STARTED) { err = EBUSY; break; } cur_mtu = Adapter->default_mtu; /* get new requested MTU */ bcopy(pr_val, &new_mtu, sizeof (new_mtu)); if (new_mtu == cur_mtu) { err = 0; break; } if ((new_mtu < DEFAULT_MTU) || (new_mtu > Adapter->max_mtu)) { err = EINVAL; break; } /* inform MAC framework of new MTU */ err = mac_maxsdu_update(Adapter->mh, new_mtu); if (err == 0) { Adapter->default_mtu = new_mtu; Adapter->max_frame_size = e1000g_mtu2maxframe(new_mtu); /* * check PCH limits & set buffer sizes to * match new MTU */ e1000g_pch_limits(Adapter); e1000g_set_bufsize(Adapter); /* * decrease the number of descriptors and free * packets for jumbo frames to reduce tx/rx * resource consumption */ if (Adapter->max_frame_size >= (FRAME_SIZE_UPTO_4K)) { if (Adapter->tx_desc_num_flag == 0) Adapter->tx_desc_num = DEFAULT_JUMBO_NUM_TX_DESC; if (Adapter->rx_desc_num_flag == 0) Adapter->rx_desc_num = DEFAULT_JUMBO_NUM_RX_DESC; if (Adapter->tx_buf_num_flag == 0) Adapter->tx_freelist_num = DEFAULT_JUMBO_NUM_TX_BUF; if (Adapter->rx_buf_num_flag == 0) Adapter->rx_freelist_limit = DEFAULT_JUMBO_NUM_RX_BUF; } else { if (Adapter->tx_desc_num_flag == 0) Adapter->tx_desc_num = DEFAULT_NUM_TX_DESCRIPTOR; if (Adapter->rx_desc_num_flag == 0) Adapter->rx_desc_num = DEFAULT_NUM_RX_DESCRIPTOR; if (Adapter->tx_buf_num_flag == 0) Adapter->tx_freelist_num = DEFAULT_NUM_TX_FREELIST; if (Adapter->rx_buf_num_flag == 0) Adapter->rx_freelist_limit = DEFAULT_NUM_RX_FREELIST; } } break; case MAC_PROP_PRIVATE: err = e1000g_set_priv_prop(Adapter, pr_name, pr_valsize, pr_val); break; default: err = ENOTSUP; break; } rw_exit(&Adapter->chip_lock); return (err); } static int e1000g_m_getprop(void *arg, const char *pr_name, mac_prop_id_t pr_num, uint_t pr_valsize, void *pr_val) { struct e1000g *Adapter = arg; struct e1000_hw *hw = &Adapter->shared; struct e1000_fc_info *fc = &Adapter->shared.fc; int err = 0; link_flowctrl_t flowctrl; uint64_t tmp = 0; switch (pr_num) { case MAC_PROP_DUPLEX: ASSERT(pr_valsize >= sizeof (link_duplex_t)); bcopy(&Adapter->link_duplex, pr_val, sizeof (link_duplex_t)); break; case MAC_PROP_SPEED: ASSERT(pr_valsize >= sizeof (uint64_t)); tmp = Adapter->link_speed * 1000000ull; bcopy(&tmp, pr_val, sizeof (tmp)); break; case MAC_PROP_AUTONEG: *(uint8_t *)pr_val = Adapter->param_adv_autoneg; break; case MAC_PROP_FLOWCTRL: ASSERT(pr_valsize >= sizeof (link_flowctrl_t)); switch (fc->current_mode) { case e1000_fc_none: flowctrl = LINK_FLOWCTRL_NONE; break; case e1000_fc_rx_pause: flowctrl = LINK_FLOWCTRL_RX; break; case e1000_fc_tx_pause: flowctrl = LINK_FLOWCTRL_TX; break; case e1000_fc_full: flowctrl = LINK_FLOWCTRL_BI; break; } bcopy(&flowctrl, pr_val, sizeof (flowctrl)); break; case MAC_PROP_ADV_1000FDX_CAP: *(uint8_t *)pr_val = Adapter->param_adv_1000fdx; break; case MAC_PROP_EN_1000FDX_CAP: *(uint8_t *)pr_val = Adapter->param_en_1000fdx; break; case MAC_PROP_ADV_1000HDX_CAP: *(uint8_t *)pr_val = Adapter->param_adv_1000hdx; break; case MAC_PROP_EN_1000HDX_CAP: *(uint8_t *)pr_val = Adapter->param_en_1000hdx; break; case MAC_PROP_ADV_100FDX_CAP: *(uint8_t *)pr_val = Adapter->param_adv_100fdx; break; case MAC_PROP_EN_100FDX_CAP: *(uint8_t *)pr_val = Adapter->param_en_100fdx; break; case MAC_PROP_ADV_100HDX_CAP: *(uint8_t *)pr_val = Adapter->param_adv_100hdx; break; case MAC_PROP_EN_100HDX_CAP: *(uint8_t *)pr_val = Adapter->param_en_100hdx; break; case MAC_PROP_ADV_10FDX_CAP: *(uint8_t *)pr_val = Adapter->param_adv_10fdx; break; case MAC_PROP_EN_10FDX_CAP: *(uint8_t *)pr_val = Adapter->param_en_10fdx; break; case MAC_PROP_ADV_10HDX_CAP: *(uint8_t *)pr_val = Adapter->param_adv_10hdx; break; case MAC_PROP_EN_10HDX_CAP: *(uint8_t *)pr_val = Adapter->param_en_10hdx; break; case MAC_PROP_ADV_100T4_CAP: case MAC_PROP_EN_100T4_CAP: *(uint8_t *)pr_val = Adapter->param_adv_100t4; break; case MAC_PROP_MEDIA: *(mac_ether_media_t *)pr_val = e1000_link_to_media(hw, Adapter->link_speed); break; case MAC_PROP_PRIVATE: err = e1000g_get_priv_prop(Adapter, pr_name, pr_valsize, pr_val); break; default: err = ENOTSUP; break; } return (err); } static void e1000g_m_propinfo(void *arg, const char *pr_name, mac_prop_id_t pr_num, mac_prop_info_handle_t prh) { struct e1000g *Adapter = arg; struct e1000_hw *hw = &Adapter->shared; switch (pr_num) { case MAC_PROP_DUPLEX: case MAC_PROP_SPEED: case MAC_PROP_ADV_1000FDX_CAP: case MAC_PROP_ADV_1000HDX_CAP: case MAC_PROP_ADV_100FDX_CAP: case MAC_PROP_ADV_100HDX_CAP: case MAC_PROP_ADV_10FDX_CAP: case MAC_PROP_ADV_10HDX_CAP: case MAC_PROP_ADV_100T4_CAP: case MAC_PROP_EN_100T4_CAP: mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ); break; case MAC_PROP_EN_1000FDX_CAP: if (hw->phy.media_type != e1000_media_type_copper) { mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ); } else { mac_prop_info_set_default_uint8(prh, ((Adapter->phy_ext_status & IEEE_ESR_1000T_FD_CAPS) || (Adapter->phy_ext_status & IEEE_ESR_1000X_FD_CAPS)) ? 1 : 0); } break; case MAC_PROP_EN_100FDX_CAP: if (hw->phy.media_type != e1000_media_type_copper) { mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ); } else { mac_prop_info_set_default_uint8(prh, ((Adapter->phy_status & MII_SR_100X_FD_CAPS) || (Adapter->phy_status & MII_SR_100T2_FD_CAPS)) ? 1 : 0); } break; case MAC_PROP_EN_100HDX_CAP: if (hw->phy.media_type != e1000_media_type_copper) { mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ); } else { mac_prop_info_set_default_uint8(prh, ((Adapter->phy_status & MII_SR_100X_HD_CAPS) || (Adapter->phy_status & MII_SR_100T2_HD_CAPS)) ? 1 : 0); } break; case MAC_PROP_EN_10FDX_CAP: if (hw->phy.media_type != e1000_media_type_copper) { mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ); } else { mac_prop_info_set_default_uint8(prh, (Adapter->phy_status & MII_SR_10T_FD_CAPS) ? 1 : 0); } break; case MAC_PROP_EN_10HDX_CAP: if (hw->phy.media_type != e1000_media_type_copper) { mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ); } else { mac_prop_info_set_default_uint8(prh, (Adapter->phy_status & MII_SR_10T_HD_CAPS) ? 1 : 0); } break; case MAC_PROP_EN_1000HDX_CAP: if (hw->phy.media_type != e1000_media_type_copper) mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ); break; case MAC_PROP_AUTONEG: if (hw->phy.media_type != e1000_media_type_copper) { mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ); } else { mac_prop_info_set_default_uint8(prh, (Adapter->phy_status & MII_SR_AUTONEG_CAPS) ? 1 : 0); } break; case MAC_PROP_FLOWCTRL: mac_prop_info_set_default_link_flowctrl(prh, LINK_FLOWCTRL_BI); break; case MAC_PROP_MTU: { struct e1000_mac_info *mac = &Adapter->shared.mac; struct e1000_phy_info *phy = &Adapter->shared.phy; uint32_t max; /* some MAC types do not support jumbo frames */ if ((mac->type == e1000_ich8lan) || ((mac->type == e1000_ich9lan) && (phy->type == e1000_phy_ife))) { max = DEFAULT_MTU; } else { max = Adapter->max_mtu; } mac_prop_info_set_range_uint32(prh, DEFAULT_MTU, max); break; } case MAC_PROP_PRIVATE: { char valstr[64]; int value; if (strcmp(pr_name, "_adv_pause_cap") == 0 || strcmp(pr_name, "_adv_asym_pause_cap") == 0) { mac_prop_info_set_perm(prh, MAC_PROP_PERM_READ); return; } else if (strcmp(pr_name, "_tx_bcopy_threshold") == 0) { value = DEFAULT_TX_BCOPY_THRESHOLD; } else if (strcmp(pr_name, "_tx_interrupt_enable") == 0) { value = DEFAULT_TX_INTR_ENABLE; } else if (strcmp(pr_name, "_tx_intr_delay") == 0) { value = DEFAULT_TX_INTR_DELAY; } else if (strcmp(pr_name, "_tx_intr_abs_delay") == 0) { value = DEFAULT_TX_INTR_ABS_DELAY; } else if (strcmp(pr_name, "_rx_bcopy_threshold") == 0) { value = DEFAULT_RX_BCOPY_THRESHOLD; } else if (strcmp(pr_name, "_max_num_rcv_packets") == 0) { value = DEFAULT_RX_LIMIT_ON_INTR; } else if (strcmp(pr_name, "_rx_intr_delay") == 0) { value = DEFAULT_RX_INTR_DELAY; } else if (strcmp(pr_name, "_rx_intr_abs_delay") == 0) { value = DEFAULT_RX_INTR_ABS_DELAY; } else if (strcmp(pr_name, "_intr_throttling_rate") == 0) { value = DEFAULT_INTR_THROTTLING; } else if (strcmp(pr_name, "_intr_adaptive") == 0) { value = 1; } else { return; } (void) snprintf(valstr, sizeof (valstr), "%d", value); mac_prop_info_set_default_str(prh, valstr); break; } } } /* ARGSUSED2 */ static int e1000g_set_priv_prop(struct e1000g *Adapter, const char *pr_name, uint_t pr_valsize, const void *pr_val) { int err = 0; long result; struct e1000_hw *hw = &Adapter->shared; if (strcmp(pr_name, "_tx_bcopy_threshold") == 0) { if (pr_val == NULL) { err = EINVAL; return (err); } (void) ddi_strtol(pr_val, (char **)NULL, 0, &result); if (result < MIN_TX_BCOPY_THRESHOLD || result > MAX_TX_BCOPY_THRESHOLD) err = EINVAL; else { Adapter->tx_bcopy_thresh = (uint32_t)result; } return (err); } if (strcmp(pr_name, "_tx_interrupt_enable") == 0) { if (pr_val == NULL) { err = EINVAL; return (err); } (void) ddi_strtol(pr_val, (char **)NULL, 0, &result); if (result < 0 || result > 1) err = EINVAL; else { Adapter->tx_intr_enable = (result == 1) ? B_TRUE: B_FALSE; if (Adapter->tx_intr_enable) e1000g_mask_tx_interrupt(Adapter); else e1000g_clear_tx_interrupt(Adapter); if (e1000g_check_acc_handle( Adapter->osdep.reg_handle) != DDI_FM_OK) { ddi_fm_service_impact(Adapter->dip, DDI_SERVICE_DEGRADED); err = EIO; } } return (err); } if (strcmp(pr_name, "_tx_intr_delay") == 0) { if (pr_val == NULL) { err = EINVAL; return (err); } (void) ddi_strtol(pr_val, (char **)NULL, 0, &result); if (result < MIN_TX_INTR_DELAY || result > MAX_TX_INTR_DELAY) err = EINVAL; else { Adapter->tx_intr_delay = (uint32_t)result; E1000_WRITE_REG(hw, E1000_TIDV, Adapter->tx_intr_delay); if (e1000g_check_acc_handle( Adapter->osdep.reg_handle) != DDI_FM_OK) { ddi_fm_service_impact(Adapter->dip, DDI_SERVICE_DEGRADED); err = EIO; } } return (err); } if (strcmp(pr_name, "_tx_intr_abs_delay") == 0) { if (pr_val == NULL) { err = EINVAL; return (err); } (void) ddi_strtol(pr_val, (char **)NULL, 0, &result); if (result < MIN_TX_INTR_ABS_DELAY || result > MAX_TX_INTR_ABS_DELAY) err = EINVAL; else { Adapter->tx_intr_abs_delay = (uint32_t)result; E1000_WRITE_REG(hw, E1000_TADV, Adapter->tx_intr_abs_delay); if (e1000g_check_acc_handle( Adapter->osdep.reg_handle) != DDI_FM_OK) { ddi_fm_service_impact(Adapter->dip, DDI_SERVICE_DEGRADED); err = EIO; } } return (err); } if (strcmp(pr_name, "_rx_bcopy_threshold") == 0) { if (pr_val == NULL) { err = EINVAL; return (err); } (void) ddi_strtol(pr_val, (char **)NULL, 0, &result); if (result < MIN_RX_BCOPY_THRESHOLD || result > MAX_RX_BCOPY_THRESHOLD) err = EINVAL; else Adapter->rx_bcopy_thresh = (uint32_t)result; return (err); } if (strcmp(pr_name, "_max_num_rcv_packets") == 0) { if (pr_val == NULL) { err = EINVAL; return (err); } (void) ddi_strtol(pr_val, (char **)NULL, 0, &result); if (result < MIN_RX_LIMIT_ON_INTR || result > MAX_RX_LIMIT_ON_INTR) err = EINVAL; else Adapter->rx_limit_onintr = (uint32_t)result; return (err); } if (strcmp(pr_name, "_rx_intr_delay") == 0) { if (pr_val == NULL) { err = EINVAL; return (err); } (void) ddi_strtol(pr_val, (char **)NULL, 0, &result); if (result < MIN_RX_INTR_DELAY || result > MAX_RX_INTR_DELAY) err = EINVAL; else { Adapter->rx_intr_delay = (uint32_t)result; E1000_WRITE_REG(hw, E1000_RDTR, Adapter->rx_intr_delay); if (e1000g_check_acc_handle( Adapter->osdep.reg_handle) != DDI_FM_OK) { ddi_fm_service_impact(Adapter->dip, DDI_SERVICE_DEGRADED); err = EIO; } } return (err); } if (strcmp(pr_name, "_rx_intr_abs_delay") == 0) { if (pr_val == NULL) { err = EINVAL; return (err); } (void) ddi_strtol(pr_val, (char **)NULL, 0, &result); if (result < MIN_RX_INTR_ABS_DELAY || result > MAX_RX_INTR_ABS_DELAY) err = EINVAL; else { Adapter->rx_intr_abs_delay = (uint32_t)result; E1000_WRITE_REG(hw, E1000_RADV, Adapter->rx_intr_abs_delay); if (e1000g_check_acc_handle( Adapter->osdep.reg_handle) != DDI_FM_OK) { ddi_fm_service_impact(Adapter->dip, DDI_SERVICE_DEGRADED); err = EIO; } } return (err); } if (strcmp(pr_name, "_intr_throttling_rate") == 0) { if (pr_val == NULL) { err = EINVAL; return (err); } (void) ddi_strtol(pr_val, (char **)NULL, 0, &result); if (result < MIN_INTR_THROTTLING || result > MAX_INTR_THROTTLING) err = EINVAL; else { if (hw->mac.type >= e1000_82540) { Adapter->intr_throttling_rate = (uint32_t)result; E1000_WRITE_REG(hw, E1000_ITR, Adapter->intr_throttling_rate); if (e1000g_check_acc_handle( Adapter->osdep.reg_handle) != DDI_FM_OK) { ddi_fm_service_impact(Adapter->dip, DDI_SERVICE_DEGRADED); err = EIO; } } else err = EINVAL; } return (err); } if (strcmp(pr_name, "_intr_adaptive") == 0) { if (pr_val == NULL) { err = EINVAL; return (err); } (void) ddi_strtol(pr_val, (char **)NULL, 0, &result); if (result < 0 || result > 1) err = EINVAL; else { if (hw->mac.type >= e1000_82540) { Adapter->intr_adaptive = (result == 1) ? B_TRUE : B_FALSE; } else { err = EINVAL; } } return (err); } return (ENOTSUP); } static int e1000g_get_priv_prop(struct e1000g *Adapter, const char *pr_name, uint_t pr_valsize, void *pr_val) { int err = ENOTSUP; int value; if (strcmp(pr_name, "_adv_pause_cap") == 0) { value = Adapter->param_adv_pause; err = 0; goto done; } if (strcmp(pr_name, "_adv_asym_pause_cap") == 0) { value = Adapter->param_adv_asym_pause; err = 0; goto done; } if (strcmp(pr_name, "_tx_bcopy_threshold") == 0) { value = Adapter->tx_bcopy_thresh; err = 0; goto done; } if (strcmp(pr_name, "_tx_interrupt_enable") == 0) { value = Adapter->tx_intr_enable; err = 0; goto done; } if (strcmp(pr_name, "_tx_intr_delay") == 0) { value = Adapter->tx_intr_delay; err = 0; goto done; } if (strcmp(pr_name, "_tx_intr_abs_delay") == 0) { value = Adapter->tx_intr_abs_delay; err = 0; goto done; } if (strcmp(pr_name, "_rx_bcopy_threshold") == 0) { value = Adapter->rx_bcopy_thresh; err = 0; goto done; } if (strcmp(pr_name, "_max_num_rcv_packets") == 0) { value = Adapter->rx_limit_onintr; err = 0; goto done; } if (strcmp(pr_name, "_rx_intr_delay") == 0) { value = Adapter->rx_intr_delay; err = 0; goto done; } if (strcmp(pr_name, "_rx_intr_abs_delay") == 0) { value = Adapter->rx_intr_abs_delay; err = 0; goto done; } if (strcmp(pr_name, "_intr_throttling_rate") == 0) { value = Adapter->intr_throttling_rate; err = 0; goto done; } if (strcmp(pr_name, "_intr_adaptive") == 0) { value = Adapter->intr_adaptive; err = 0; goto done; } done: if (err == 0) { (void) snprintf(pr_val, pr_valsize, "%d", value); } return (err); } /* * e1000g_get_conf - get configurations set in e1000g.conf * This routine gets user-configured values out of the configuration * file e1000g.conf. * * For each configurable value, there is a minimum, a maximum, and a * default. * If user does not configure a value, use the default. * If user configures below the minimum, use the minumum. * If user configures above the maximum, use the maxumum. */ static void e1000g_get_conf(struct e1000g *Adapter) { struct e1000_hw *hw = &Adapter->shared; boolean_t tbi_compatibility = B_FALSE; boolean_t is_jumbo = B_FALSE; int propval; /* * decrease the number of descriptors and free packets * for jumbo frames to reduce tx/rx resource consumption */ if (Adapter->max_frame_size >= FRAME_SIZE_UPTO_4K) { is_jumbo = B_TRUE; } /* * get each configurable property from e1000g.conf */ /* * NumTxDescriptors */ Adapter->tx_desc_num_flag = e1000g_get_prop(Adapter, "NumTxDescriptors", MIN_NUM_TX_DESCRIPTOR, MAX_NUM_TX_DESCRIPTOR, is_jumbo ? DEFAULT_JUMBO_NUM_TX_DESC : DEFAULT_NUM_TX_DESCRIPTOR, &propval); Adapter->tx_desc_num = propval; /* * NumRxDescriptors */ Adapter->rx_desc_num_flag = e1000g_get_prop(Adapter, "NumRxDescriptors", MIN_NUM_RX_DESCRIPTOR, MAX_NUM_RX_DESCRIPTOR, is_jumbo ? DEFAULT_JUMBO_NUM_RX_DESC : DEFAULT_NUM_RX_DESCRIPTOR, &propval); Adapter->rx_desc_num = propval; /* * NumRxFreeList */ Adapter->rx_buf_num_flag = e1000g_get_prop(Adapter, "NumRxFreeList", MIN_NUM_RX_FREELIST, MAX_NUM_RX_FREELIST, is_jumbo ? DEFAULT_JUMBO_NUM_RX_BUF : DEFAULT_NUM_RX_FREELIST, &propval); Adapter->rx_freelist_limit = propval; /* * NumTxPacketList */ Adapter->tx_buf_num_flag = e1000g_get_prop(Adapter, "NumTxPacketList", MIN_NUM_TX_FREELIST, MAX_NUM_TX_FREELIST, is_jumbo ? DEFAULT_JUMBO_NUM_TX_BUF : DEFAULT_NUM_TX_FREELIST, &propval); Adapter->tx_freelist_num = propval; /* * FlowControl */ hw->fc.send_xon = B_TRUE; (void) e1000g_get_prop(Adapter, "FlowControl", e1000_fc_none, 4, DEFAULT_FLOW_CONTROL, &propval); hw->fc.requested_mode = propval; /* 4 is the setting that says "let the eeprom decide" */ if (hw->fc.requested_mode == 4) hw->fc.requested_mode = e1000_fc_default; /* * Max Num Receive Packets on Interrupt */ (void) e1000g_get_prop(Adapter, "MaxNumReceivePackets", MIN_RX_LIMIT_ON_INTR, MAX_RX_LIMIT_ON_INTR, DEFAULT_RX_LIMIT_ON_INTR, &propval); Adapter->rx_limit_onintr = propval; /* * PHY master slave setting */ (void) e1000g_get_prop(Adapter, "SetMasterSlave", e1000_ms_hw_default, e1000_ms_auto, e1000_ms_hw_default, &propval); hw->phy.ms_type = propval; /* * Parameter which controls TBI mode workaround, which is only * needed on certain switches such as Cisco 6500/Foundry */ (void) e1000g_get_prop(Adapter, "TbiCompatibilityEnable", 0, 1, DEFAULT_TBI_COMPAT_ENABLE, &propval); tbi_compatibility = (propval == 1); e1000_set_tbi_compatibility_82543(hw, tbi_compatibility); /* * MSI Enable */ (void) e1000g_get_prop(Adapter, "MSIEnable", 0, 1, DEFAULT_MSI_ENABLE, &propval); Adapter->msi_enable = (propval == 1); /* * Interrupt Throttling Rate */ (void) e1000g_get_prop(Adapter, "intr_throttling_rate", MIN_INTR_THROTTLING, MAX_INTR_THROTTLING, DEFAULT_INTR_THROTTLING, &propval); Adapter->intr_throttling_rate = propval; /* * Adaptive Interrupt Blanking Enable/Disable * It is enabled by default */ (void) e1000g_get_prop(Adapter, "intr_adaptive", 0, 1, 1, &propval); Adapter->intr_adaptive = (propval == 1); /* * Hardware checksum enable/disable parameter */ (void) e1000g_get_prop(Adapter, "tx_hcksum_enable", 0, 1, DEFAULT_TX_HCKSUM_ENABLE, &propval); Adapter->tx_hcksum_enable = (propval == 1); /* * Checksum on/off selection via global parameters. * * If the chip is flagged as not capable of (correctly) * handling checksumming, we don't enable it on either * Rx or Tx side. Otherwise, we take this chip's settings * from the patchable global defaults. * * We advertise our capabilities only if TX offload is * enabled. On receive, the stack will accept checksummed * packets anyway, even if we haven't said we can deliver * them. */ switch (hw->mac.type) { case e1000_82540: case e1000_82544: case e1000_82545: case e1000_82545_rev_3: case e1000_82546: case e1000_82546_rev_3: case e1000_82571: case e1000_82572: case e1000_82573: case e1000_80003es2lan: break; /* * For the following Intel PRO/1000 chipsets, we have not * tested the hardware checksum offload capability, so we * disable the capability for them. * e1000_82542, * e1000_82543, * e1000_82541, * e1000_82541_rev_2, * e1000_82547, * e1000_82547_rev_2, */ default: Adapter->tx_hcksum_enable = B_FALSE; } /* * Large Send Offloading(LSO) Enable/Disable * If the tx hardware checksum is not enabled, LSO should be * disabled. */ (void) e1000g_get_prop(Adapter, "lso_enable", 0, 1, DEFAULT_LSO_ENABLE, &propval); Adapter->lso_enable = (propval == 1); switch (hw->mac.type) { case e1000_82546: case e1000_82546_rev_3: if (Adapter->lso_enable) Adapter->lso_premature_issue = B_TRUE; /* FALLTHRU */ case e1000_82571: case e1000_82572: case e1000_82573: case e1000_80003es2lan: break; default: Adapter->lso_enable = B_FALSE; } if (!Adapter->tx_hcksum_enable) { Adapter->lso_premature_issue = B_FALSE; Adapter->lso_enable = B_FALSE; } /* * If mem_workaround_82546 is enabled, the rx buffer allocated by * e1000_82545, e1000_82546 and e1000_82546_rev_3 * will not cross 64k boundary. */ (void) e1000g_get_prop(Adapter, "mem_workaround_82546", 0, 1, DEFAULT_MEM_WORKAROUND_82546, &propval); Adapter->mem_workaround_82546 = (propval == 1); /* * Max number of multicast addresses */ (void) e1000g_get_prop(Adapter, "mcast_max_num", MIN_MCAST_NUM, MAX_MCAST_NUM, hw->mac.mta_reg_count * 32, &propval); Adapter->mcast_max_num = propval; } /* * e1000g_get_prop - routine to read properties * * Get a user-configure property value out of the configuration * file e1000g.conf. * * Caller provides name of the property, a default value, a minimum * value, a maximum value and a pointer to the returned property * value. * * Return B_TRUE if the configured value of the property is not a default * value, otherwise return B_FALSE. */ static boolean_t e1000g_get_prop(struct e1000g *Adapter, /* point to per-adapter structure */ char *propname, /* name of the property */ int minval, /* minimum acceptable value */ int maxval, /* maximim acceptable value */ int defval, /* default value */ int *propvalue) /* property value return to caller */ { int propval; /* value returned for requested property */ int *props; /* point to array of properties returned */ uint_t nprops; /* number of property value returned */ boolean_t ret = B_TRUE; /* * get the array of properties from the config file */ if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, Adapter->dip, DDI_PROP_DONTPASS, propname, &props, &nprops) == DDI_PROP_SUCCESS) { /* got some properties, test if we got enough */ if (Adapter->instance < nprops) { propval = props[Adapter->instance]; } else { /* not enough properties configured */ propval = defval; E1000G_DEBUGLOG_2(Adapter, E1000G_INFO_LEVEL, "Not Enough %s values found in e1000g.conf" " - set to %d\n", propname, propval); ret = B_FALSE; } /* free memory allocated for properties */ ddi_prop_free(props); } else { propval = defval; ret = B_FALSE; } /* * enforce limits */ if (propval > maxval) { propval = maxval; E1000G_DEBUGLOG_2(Adapter, E1000G_INFO_LEVEL, "Too High %s value in e1000g.conf - set to %d\n", propname, propval); } if (propval < minval) { propval = minval; E1000G_DEBUGLOG_2(Adapter, E1000G_INFO_LEVEL, "Too Low %s value in e1000g.conf - set to %d\n", propname, propval); } *propvalue = propval; return (ret); } static boolean_t e1000g_link_check(struct e1000g *Adapter) { uint16_t speed, duplex, phydata; boolean_t link_changed = B_FALSE; struct e1000_hw *hw; uint32_t reg_tarc; hw = &Adapter->shared; if (e1000g_link_up(Adapter)) { /* * The Link is up, check whether it was marked as down earlier */ if (Adapter->link_state != LINK_STATE_UP) { (void) e1000_get_speed_and_duplex(hw, &speed, &duplex); Adapter->link_speed = speed; Adapter->link_duplex = duplex; Adapter->link_state = LINK_STATE_UP; link_changed = B_TRUE; if (Adapter->link_speed == SPEED_1000) Adapter->stall_threshold = TX_STALL_TIME_2S; else Adapter->stall_threshold = TX_STALL_TIME_8S; Adapter->tx_link_down_timeout = 0; if ((hw->mac.type == e1000_82571) || (hw->mac.type == e1000_82572)) { reg_tarc = E1000_READ_REG(hw, E1000_TARC(0)); if (speed == SPEED_1000) reg_tarc |= (1 << 21); else reg_tarc &= ~(1 << 21); E1000_WRITE_REG(hw, E1000_TARC(0), reg_tarc); } } Adapter->smartspeed = 0; } else { if (Adapter->link_state != LINK_STATE_DOWN) { Adapter->link_speed = 0; Adapter->link_duplex = 0; Adapter->link_state = LINK_STATE_DOWN; link_changed = B_TRUE; /* * SmartSpeed workaround for Tabor/TanaX, When the * driver loses link disable auto master/slave * resolution. */ if (hw->phy.type == e1000_phy_igp) { (void) e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phydata); phydata |= CR_1000T_MS_ENABLE; (void) e1000_write_phy_reg(hw, PHY_1000T_CTRL, phydata); } } else { e1000g_smartspeed(Adapter); } if (Adapter->e1000g_state & E1000G_STARTED) { if (Adapter->tx_link_down_timeout < MAX_TX_LINK_DOWN_TIMEOUT) { Adapter->tx_link_down_timeout++; } else if (Adapter->tx_link_down_timeout == MAX_TX_LINK_DOWN_TIMEOUT) { e1000g_tx_clean(Adapter); Adapter->tx_link_down_timeout++; } } } if (e1000g_check_acc_handle(Adapter->osdep.reg_handle) != DDI_FM_OK) ddi_fm_service_impact(Adapter->dip, DDI_SERVICE_DEGRADED); return (link_changed); } /* * e1000g_reset_link - Using the link properties to setup the link */ int e1000g_reset_link(struct e1000g *Adapter) { struct e1000_mac_info *mac; struct e1000_phy_info *phy; struct e1000_hw *hw; boolean_t invalid; mac = &Adapter->shared.mac; phy = &Adapter->shared.phy; hw = &Adapter->shared; invalid = B_FALSE; if (hw->phy.media_type != e1000_media_type_copper) goto out; if (Adapter->param_adv_autoneg == 1) { mac->autoneg = B_TRUE; phy->autoneg_advertised = 0; /* * 1000hdx is not supported for autonegotiation */ if (Adapter->param_adv_1000fdx == 1) phy->autoneg_advertised |= ADVERTISE_1000_FULL; if (Adapter->param_adv_100fdx == 1) phy->autoneg_advertised |= ADVERTISE_100_FULL; if (Adapter->param_adv_100hdx == 1) phy->autoneg_advertised |= ADVERTISE_100_HALF; if (Adapter->param_adv_10fdx == 1) phy->autoneg_advertised |= ADVERTISE_10_FULL; if (Adapter->param_adv_10hdx == 1) phy->autoneg_advertised |= ADVERTISE_10_HALF; if (phy->autoneg_advertised == 0) invalid = B_TRUE; } else { mac->autoneg = B_FALSE; /* * For Intel copper cards, 1000fdx and 1000hdx are not * supported for forced link */ if (Adapter->param_adv_100fdx == 1) mac->forced_speed_duplex = ADVERTISE_100_FULL; else if (Adapter->param_adv_100hdx == 1) mac->forced_speed_duplex = ADVERTISE_100_HALF; else if (Adapter->param_adv_10fdx == 1) mac->forced_speed_duplex = ADVERTISE_10_FULL; else if (Adapter->param_adv_10hdx == 1) mac->forced_speed_duplex = ADVERTISE_10_HALF; else invalid = B_TRUE; } if (invalid) { e1000g_log(Adapter, CE_WARN, "Invalid link settings. Setup link to " "support autonegotiation with all link capabilities."); mac->autoneg = B_TRUE; phy->autoneg_advertised = AUTONEG_ADVERTISE_SPEED_DEFAULT; } out: return (e1000_setup_link(&Adapter->shared)); } static void e1000g_timer_tx_resched(struct e1000g *Adapter) { e1000g_tx_ring_t *tx_ring = Adapter->tx_ring; rw_enter(&Adapter->chip_lock, RW_READER); if (tx_ring->resched_needed && ((ddi_get_lbolt() - tx_ring->resched_timestamp) > drv_usectohz(1000000)) && (Adapter->e1000g_state & E1000G_STARTED) && (tx_ring->tbd_avail >= DEFAULT_TX_NO_RESOURCE)) { tx_ring->resched_needed = B_FALSE; mac_tx_update(Adapter->mh); E1000G_STAT(tx_ring->stat_reschedule); E1000G_STAT(tx_ring->stat_timer_reschedule); } rw_exit(&Adapter->chip_lock); } static void e1000g_local_timer(void *ws) { struct e1000g *Adapter = (struct e1000g *)ws; struct e1000_hw *hw; e1000g_ether_addr_t ether_addr; boolean_t link_changed; hw = &Adapter->shared; if (Adapter->e1000g_state & E1000G_ERROR) { rw_enter(&Adapter->chip_lock, RW_WRITER); Adapter->e1000g_state &= ~E1000G_ERROR; rw_exit(&Adapter->chip_lock); Adapter->reset_count++; if (e1000g_global_reset(Adapter)) { ddi_fm_service_impact(Adapter->dip, DDI_SERVICE_RESTORED); e1000g_timer_tx_resched(Adapter); } else ddi_fm_service_impact(Adapter->dip, DDI_SERVICE_LOST); return; } if (e1000g_stall_check(Adapter)) { E1000G_DEBUGLOG_0(Adapter, E1000G_INFO_LEVEL, "Tx stall detected. Activate automatic recovery.\n"); e1000g_fm_ereport(Adapter, DDI_FM_DEVICE_STALL); ddi_fm_service_impact(Adapter->dip, DDI_SERVICE_LOST); Adapter->reset_count++; if (e1000g_reset_adapter(Adapter)) { ddi_fm_service_impact(Adapter->dip, DDI_SERVICE_RESTORED); e1000g_timer_tx_resched(Adapter); } return; } link_changed = B_FALSE; rw_enter(&Adapter->chip_lock, RW_READER); if (Adapter->link_complete) link_changed = e1000g_link_check(Adapter); rw_exit(&Adapter->chip_lock); if (link_changed) { if (!Adapter->reset_flag && (Adapter->e1000g_state & E1000G_STARTED) && !(Adapter->e1000g_state & E1000G_SUSPENDED)) mac_link_update(Adapter->mh, Adapter->link_state); if (Adapter->link_state == LINK_STATE_UP) Adapter->reset_flag = B_FALSE; } /* * Workaround for esb2. Data stuck in fifo on a link * down event. Reset the adapter to recover it. */ if (Adapter->esb2_workaround) { Adapter->esb2_workaround = B_FALSE; (void) e1000g_reset_adapter(Adapter); return; } /* * With 82571 controllers, any locally administered address will * be overwritten when there is a reset on the other port. * Detect this circumstance and correct it. */ if ((hw->mac.type == e1000_82571) && (e1000_get_laa_state_82571(hw) == B_TRUE)) { ether_addr.reg.low = E1000_READ_REG_ARRAY(hw, E1000_RA, 0); ether_addr.reg.high = E1000_READ_REG_ARRAY(hw, E1000_RA, 1); ether_addr.reg.low = ntohl(ether_addr.reg.low); ether_addr.reg.high = ntohl(ether_addr.reg.high); if ((ether_addr.mac.addr[5] != hw->mac.addr[0]) || (ether_addr.mac.addr[4] != hw->mac.addr[1]) || (ether_addr.mac.addr[3] != hw->mac.addr[2]) || (ether_addr.mac.addr[2] != hw->mac.addr[3]) || (ether_addr.mac.addr[1] != hw->mac.addr[4]) || (ether_addr.mac.addr[0] != hw->mac.addr[5])) { (void) e1000_rar_set(hw, hw->mac.addr, 0); } } /* * Long TTL workaround for 82541/82547 */ (void) e1000_igp_ttl_workaround_82547(hw); /* * Check for Adaptive IFS settings If there are lots of collisions * change the value in steps... * These properties should only be set for 10/100 */ if ((hw->phy.media_type == e1000_media_type_copper) && ((Adapter->link_speed == SPEED_100) || (Adapter->link_speed == SPEED_10))) { e1000_update_adaptive(hw); } /* * Set Timer Interrupts */ E1000_WRITE_REG(hw, E1000_ICS, E1000_IMS_RXT0); if (e1000g_check_acc_handle(Adapter->osdep.reg_handle) != DDI_FM_OK) ddi_fm_service_impact(Adapter->dip, DDI_SERVICE_DEGRADED); else e1000g_timer_tx_resched(Adapter); restart_watchdog_timer(Adapter); } /* * The function e1000g_link_timer() is called when the timer for link setup * is expired, which indicates the completion of the link setup. The link * state will not be updated until the link setup is completed. And the * link state will not be sent to the upper layer through mac_link_update() * in this function. It will be updated in the local timer routine or the * interrupt service routine after the interface is started (plumbed). */ static void e1000g_link_timer(void *arg) { struct e1000g *Adapter = (struct e1000g *)arg; mutex_enter(&Adapter->link_lock); Adapter->link_complete = B_TRUE; Adapter->link_tid = 0; mutex_exit(&Adapter->link_lock); } /* * e1000g_force_speed_duplex - read forced speed/duplex out of e1000g.conf * * This function read the forced speed and duplex for 10/100 Mbps speeds * and also for 1000 Mbps speeds from the e1000g.conf file */ static void e1000g_force_speed_duplex(struct e1000g *Adapter) { int forced; int propval; struct e1000_mac_info *mac = &Adapter->shared.mac; struct e1000_phy_info *phy = &Adapter->shared.phy; /* * get value out of config file */ (void) e1000g_get_prop(Adapter, "ForceSpeedDuplex", GDIAG_10_HALF, GDIAG_ANY, GDIAG_ANY, &forced); switch (forced) { case GDIAG_10_HALF: /* * Disable Auto Negotiation */ mac->autoneg = B_FALSE; mac->forced_speed_duplex = ADVERTISE_10_HALF; break; case GDIAG_10_FULL: /* * Disable Auto Negotiation */ mac->autoneg = B_FALSE; mac->forced_speed_duplex = ADVERTISE_10_FULL; break; case GDIAG_100_HALF: /* * Disable Auto Negotiation */ mac->autoneg = B_FALSE; mac->forced_speed_duplex = ADVERTISE_100_HALF; break; case GDIAG_100_FULL: /* * Disable Auto Negotiation */ mac->autoneg = B_FALSE; mac->forced_speed_duplex = ADVERTISE_100_FULL; break; case GDIAG_1000_FULL: /* * The gigabit spec requires autonegotiation. Therefore, * when the user wants to force the speed to 1000Mbps, we * enable AutoNeg, but only allow the harware to advertise * 1000Mbps. This is different from 10/100 operation, where * we are allowed to link without any negotiation. */ mac->autoneg = B_TRUE; phy->autoneg_advertised = ADVERTISE_1000_FULL; break; default: /* obey the setting of AutoNegAdvertised */ mac->autoneg = B_TRUE; (void) e1000g_get_prop(Adapter, "AutoNegAdvertised", 0, AUTONEG_ADVERTISE_SPEED_DEFAULT, AUTONEG_ADVERTISE_SPEED_DEFAULT, &propval); phy->autoneg_advertised = (uint16_t)propval; break; } /* switch */ } /* * e1000g_get_max_frame_size - get jumbo frame setting from e1000g.conf * * This function reads MaxFrameSize from e1000g.conf */ static void e1000g_get_max_frame_size(struct e1000g *Adapter) { int max_frame; /* * get value out of config file */ (void) e1000g_get_prop(Adapter, "MaxFrameSize", 0, 3, 0, &max_frame); switch (max_frame) { case 0: Adapter->default_mtu = ETHERMTU; break; case 1: Adapter->default_mtu = FRAME_SIZE_UPTO_4K - sizeof (struct ether_vlan_header) - ETHERFCSL; break; case 2: Adapter->default_mtu = FRAME_SIZE_UPTO_8K - sizeof (struct ether_vlan_header) - ETHERFCSL; break; case 3: Adapter->default_mtu = FRAME_SIZE_UPTO_16K - sizeof (struct ether_vlan_header) - ETHERFCSL; break; default: Adapter->default_mtu = ETHERMTU; break; } /* switch */ /* * If the user configed MTU is larger than the deivce's maximum MTU, * the MTU is set to the deivce's maximum value. */ if (Adapter->default_mtu > Adapter->max_mtu) Adapter->default_mtu = Adapter->max_mtu; Adapter->max_frame_size = e1000g_mtu2maxframe(Adapter->default_mtu); } /* * e1000g_pch_limits - Apply limits of the PCH silicon type * * At any frame size larger than the ethernet default, * prevent linking at 10/100 speeds. */ static void e1000g_pch_limits(struct e1000g *Adapter) { struct e1000_hw *hw = &Adapter->shared; /* only applies to PCH silicon type */ if (hw->mac.type != e1000_pchlan && hw->mac.type != e1000_pch2lan) return; /* only applies to frames larger than ethernet default */ if (Adapter->max_frame_size > DEFAULT_FRAME_SIZE) { hw->mac.autoneg = B_TRUE; hw->phy.autoneg_advertised = ADVERTISE_1000_FULL; Adapter->param_adv_autoneg = 1; Adapter->param_adv_1000fdx = 1; Adapter->param_adv_100fdx = 0; Adapter->param_adv_100hdx = 0; Adapter->param_adv_10fdx = 0; Adapter->param_adv_10hdx = 0; e1000g_param_sync(Adapter); } } /* * e1000g_mtu2maxframe - convert given MTU to maximum frame size */ static uint32_t e1000g_mtu2maxframe(uint32_t mtu) { uint32_t maxframe; maxframe = mtu + sizeof (struct ether_vlan_header) + ETHERFCSL; return (maxframe); } static void arm_watchdog_timer(struct e1000g *Adapter) { Adapter->watchdog_tid = timeout(e1000g_local_timer, (void *)Adapter, 1 * drv_usectohz(1000000)); } #pragma inline(arm_watchdog_timer) static void enable_watchdog_timer(struct e1000g *Adapter) { mutex_enter(&Adapter->watchdog_lock); if (!Adapter->watchdog_timer_enabled) { Adapter->watchdog_timer_enabled = B_TRUE; Adapter->watchdog_timer_started = B_TRUE; arm_watchdog_timer(Adapter); } mutex_exit(&Adapter->watchdog_lock); } static void disable_watchdog_timer(struct e1000g *Adapter) { timeout_id_t tid; mutex_enter(&Adapter->watchdog_lock); Adapter->watchdog_timer_enabled = B_FALSE; Adapter->watchdog_timer_started = B_FALSE; tid = Adapter->watchdog_tid; Adapter->watchdog_tid = 0; mutex_exit(&Adapter->watchdog_lock); if (tid != 0) (void) untimeout(tid); } static void start_watchdog_timer(struct e1000g *Adapter) { mutex_enter(&Adapter->watchdog_lock); if (Adapter->watchdog_timer_enabled) { if (!Adapter->watchdog_timer_started) { Adapter->watchdog_timer_started = B_TRUE; arm_watchdog_timer(Adapter); } } mutex_exit(&Adapter->watchdog_lock); } static void restart_watchdog_timer(struct e1000g *Adapter) { mutex_enter(&Adapter->watchdog_lock); if (Adapter->watchdog_timer_started) arm_watchdog_timer(Adapter); mutex_exit(&Adapter->watchdog_lock); } static void stop_watchdog_timer(struct e1000g *Adapter) { timeout_id_t tid; mutex_enter(&Adapter->watchdog_lock); Adapter->watchdog_timer_started = B_FALSE; tid = Adapter->watchdog_tid; Adapter->watchdog_tid = 0; mutex_exit(&Adapter->watchdog_lock); if (tid != 0) (void) untimeout(tid); } static void stop_link_timer(struct e1000g *Adapter) { timeout_id_t tid; /* Disable the link timer */ mutex_enter(&Adapter->link_lock); tid = Adapter->link_tid; Adapter->link_tid = 0; mutex_exit(&Adapter->link_lock); if (tid != 0) (void) untimeout(tid); } static void stop_82547_timer(e1000g_tx_ring_t *tx_ring) { timeout_id_t tid; /* Disable the tx timer for 82547 chipset */ mutex_enter(&tx_ring->tx_lock); tx_ring->timer_enable_82547 = B_FALSE; tid = tx_ring->timer_id_82547; tx_ring->timer_id_82547 = 0; mutex_exit(&tx_ring->tx_lock); if (tid != 0) (void) untimeout(tid); } void e1000g_clear_interrupt(struct e1000g *Adapter) { E1000_WRITE_REG(&Adapter->shared, E1000_IMC, 0xffffffff & ~E1000_IMS_RXSEQ); } void e1000g_mask_interrupt(struct e1000g *Adapter) { E1000_WRITE_REG(&Adapter->shared, E1000_IMS, IMS_ENABLE_MASK & ~E1000_IMS_TXDW); if (Adapter->tx_intr_enable) e1000g_mask_tx_interrupt(Adapter); } /* * This routine is called by e1000g_quiesce(), therefore must not block. */ void e1000g_clear_all_interrupts(struct e1000g *Adapter) { E1000_WRITE_REG(&Adapter->shared, E1000_IMC, 0xffffffff); } void e1000g_mask_tx_interrupt(struct e1000g *Adapter) { E1000_WRITE_REG(&Adapter->shared, E1000_IMS, E1000_IMS_TXDW); } void e1000g_clear_tx_interrupt(struct e1000g *Adapter) { E1000_WRITE_REG(&Adapter->shared, E1000_IMC, E1000_IMS_TXDW); } static void e1000g_smartspeed(struct e1000g *Adapter) { struct e1000_hw *hw = &Adapter->shared; uint16_t phy_status; uint16_t phy_ctrl; /* * If we're not T-or-T, or we're not autoneg'ing, or we're not * advertising 1000Full, we don't even use the workaround */ if ((hw->phy.type != e1000_phy_igp) || !hw->mac.autoneg || !(hw->phy.autoneg_advertised & ADVERTISE_1000_FULL)) return; /* * True if this is the first call of this function or after every * 30 seconds of not having link */ if (Adapter->smartspeed == 0) { /* * If Master/Slave config fault is asserted twice, we * assume back-to-back */ (void) e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status); if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return; (void) e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_status); if (!(phy_status & SR_1000T_MS_CONFIG_FAULT)) return; /* * We're assuming back-2-back because our status register * insists! there's a fault in the master/slave * relationship that was "negotiated" */ (void) e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl); /* * Is the phy configured for manual configuration of * master/slave? */ if (phy_ctrl & CR_1000T_MS_ENABLE) { /* * Yes. Then disable manual configuration (enable * auto configuration) of master/slave */ phy_ctrl &= ~CR_1000T_MS_ENABLE; (void) e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_ctrl); /* * Effectively starting the clock */ Adapter->smartspeed++; /* * Restart autonegotiation */ if (!e1000_phy_setup_autoneg(hw) && !e1000_read_phy_reg(hw, PHY_CONTROL, &phy_ctrl)) { phy_ctrl |= (MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG); (void) e1000_write_phy_reg(hw, PHY_CONTROL, phy_ctrl); } } return; /* * Has 6 seconds transpired still without link? Remember, * you should reset the smartspeed counter once you obtain * link */ } else if (Adapter->smartspeed == E1000_SMARTSPEED_DOWNSHIFT) { /* * Yes. Remember, we did at the start determine that * there's a master/slave configuration fault, so we're * still assuming there's someone on the other end, but we * just haven't yet been able to talk to it. We then * re-enable auto configuration of master/slave to see if * we're running 2/3 pair cables. */ /* * If still no link, perhaps using 2/3 pair cable */ (void) e1000_read_phy_reg(hw, PHY_1000T_CTRL, &phy_ctrl); phy_ctrl |= CR_1000T_MS_ENABLE; (void) e1000_write_phy_reg(hw, PHY_1000T_CTRL, phy_ctrl); /* * Restart autoneg with phy enabled for manual * configuration of master/slave */ if (!e1000_phy_setup_autoneg(hw) && !e1000_read_phy_reg(hw, PHY_CONTROL, &phy_ctrl)) { phy_ctrl |= (MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG); (void) e1000_write_phy_reg(hw, PHY_CONTROL, phy_ctrl); } /* * Hopefully, there are no more faults and we've obtained * link as a result. */ } /* * Restart process after E1000_SMARTSPEED_MAX iterations (30 * seconds) */ if (Adapter->smartspeed++ == E1000_SMARTSPEED_MAX) Adapter->smartspeed = 0; } static boolean_t is_valid_mac_addr(uint8_t *mac_addr) { const uint8_t addr_test1[6] = { 0, 0, 0, 0, 0, 0 }; const uint8_t addr_test2[6] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; if (!(bcmp(addr_test1, mac_addr, ETHERADDRL)) || !(bcmp(addr_test2, mac_addr, ETHERADDRL))) return (B_FALSE); return (B_TRUE); } /* * e1000g_stall_check - check for tx stall * * This function checks if the adapter is stalled (in transmit). * * It is called each time the watchdog timeout is invoked. * If the transmit descriptor reclaim continuously fails, * the watchdog value will increment by 1. If the watchdog * value exceeds the threshold, the adapter is assumed to * have stalled and need to be reset. */ static boolean_t e1000g_stall_check(struct e1000g *Adapter) { e1000g_tx_ring_t *tx_ring; tx_ring = Adapter->tx_ring; if (Adapter->link_state != LINK_STATE_UP) return (B_FALSE); (void) e1000g_recycle(tx_ring); if (Adapter->stall_flag) return (B_TRUE); return (B_FALSE); } #ifdef E1000G_DEBUG static enum ioc_reply e1000g_pp_ioctl(struct e1000g *e1000gp, struct iocblk *iocp, mblk_t *mp) { void (*ppfn)(struct e1000g *e1000gp, e1000g_peekpoke_t *ppd); e1000g_peekpoke_t *ppd; uint64_t mem_va; uint64_t maxoff; boolean_t peek; switch (iocp->ioc_cmd) { case E1000G_IOC_REG_PEEK: peek = B_TRUE; break; case E1000G_IOC_REG_POKE: peek = B_FALSE; break; deault: E1000G_DEBUGLOG_1(e1000gp, E1000G_INFO_LEVEL, "e1000g_diag_ioctl: invalid ioctl command 0x%X\n", iocp->ioc_cmd); return (IOC_INVAL); } /* * Validate format of ioctl */ if (iocp->ioc_count != sizeof (e1000g_peekpoke_t)) return (IOC_INVAL); if (mp->b_cont == NULL) return (IOC_INVAL); ppd = (e1000g_peekpoke_t *)(uintptr_t)mp->b_cont->b_rptr; /* * Validate request parameters */ switch (ppd->pp_acc_space) { default: E1000G_DEBUGLOG_1(e1000gp, E1000G_INFO_LEVEL, "e1000g_diag_ioctl: invalid access space 0x%X\n", ppd->pp_acc_space); return (IOC_INVAL); case E1000G_PP_SPACE_REG: /* * Memory-mapped I/O space */ ASSERT(ppd->pp_acc_size == 4); if (ppd->pp_acc_size != 4) return (IOC_INVAL); if ((ppd->pp_acc_offset % ppd->pp_acc_size) != 0) return (IOC_INVAL); mem_va = 0; maxoff = 0x10000; ppfn = peek ? e1000g_ioc_peek_reg : e1000g_ioc_poke_reg; break; case E1000G_PP_SPACE_E1000G: /* * E1000g data structure! */ mem_va = (uintptr_t)e1000gp; maxoff = sizeof (struct e1000g); ppfn = peek ? e1000g_ioc_peek_mem : e1000g_ioc_poke_mem; break; } if (ppd->pp_acc_offset >= maxoff) return (IOC_INVAL); if (ppd->pp_acc_offset + ppd->pp_acc_size > maxoff) return (IOC_INVAL); /* * All OK - go! */ ppd->pp_acc_offset += mem_va; (*ppfn)(e1000gp, ppd); return (peek ? IOC_REPLY : IOC_ACK); } static void e1000g_ioc_peek_reg(struct e1000g *e1000gp, e1000g_peekpoke_t *ppd) { ddi_acc_handle_t handle; uint32_t *regaddr; handle = e1000gp->osdep.reg_handle; regaddr = (uint32_t *)((uintptr_t)e1000gp->shared.hw_addr + (uintptr_t)ppd->pp_acc_offset); ppd->pp_acc_data = ddi_get32(handle, regaddr); } static void e1000g_ioc_poke_reg(struct e1000g *e1000gp, e1000g_peekpoke_t *ppd) { ddi_acc_handle_t handle; uint32_t *regaddr; uint32_t value; handle = e1000gp->osdep.reg_handle; regaddr = (uint32_t *)((uintptr_t)e1000gp->shared.hw_addr + (uintptr_t)ppd->pp_acc_offset); value = (uint32_t)ppd->pp_acc_data; ddi_put32(handle, regaddr, value); } static void e1000g_ioc_peek_mem(struct e1000g *e1000gp, e1000g_peekpoke_t *ppd) { uint64_t value; void *vaddr; vaddr = (void *)(uintptr_t)ppd->pp_acc_offset; switch (ppd->pp_acc_size) { case 1: value = *(uint8_t *)vaddr; break; case 2: value = *(uint16_t *)vaddr; break; case 4: value = *(uint32_t *)vaddr; break; case 8: value = *(uint64_t *)vaddr; break; } E1000G_DEBUGLOG_4(e1000gp, E1000G_INFO_LEVEL, "e1000g_ioc_peek_mem($%p, $%p) peeked 0x%llx from $%p\n", (void *)e1000gp, (void *)ppd, value, vaddr); ppd->pp_acc_data = value; } static void e1000g_ioc_poke_mem(struct e1000g *e1000gp, e1000g_peekpoke_t *ppd) { uint64_t value; void *vaddr; vaddr = (void *)(uintptr_t)ppd->pp_acc_offset; value = ppd->pp_acc_data; E1000G_DEBUGLOG_4(e1000gp, E1000G_INFO_LEVEL, "e1000g_ioc_poke_mem($%p, $%p) poking 0x%llx at $%p\n", (void *)e1000gp, (void *)ppd, value, vaddr); switch (ppd->pp_acc_size) { case 1: *(uint8_t *)vaddr = (uint8_t)value; break; case 2: *(uint16_t *)vaddr = (uint16_t)value; break; case 4: *(uint32_t *)vaddr = (uint32_t)value; break; case 8: *(uint64_t *)vaddr = (uint64_t)value; break; } } #endif /* * Loopback Support */ static lb_property_t lb_normal = { normal, "normal", E1000G_LB_NONE }; static lb_property_t lb_external1000 = { external, "1000Mbps", E1000G_LB_EXTERNAL_1000 }; static lb_property_t lb_external100 = { external, "100Mbps", E1000G_LB_EXTERNAL_100 }; static lb_property_t lb_external10 = { external, "10Mbps", E1000G_LB_EXTERNAL_10 }; static lb_property_t lb_phy = { internal, "PHY", E1000G_LB_INTERNAL_PHY }; static enum ioc_reply e1000g_loopback_ioctl(struct e1000g *Adapter, struct iocblk *iocp, mblk_t *mp) { lb_info_sz_t *lbsp; lb_property_t *lbpp; struct e1000_hw *hw; uint32_t *lbmp; uint32_t size; uint32_t value; hw = &Adapter->shared; if (mp->b_cont == NULL) return (IOC_INVAL); if (!e1000g_check_loopback_support(hw)) { e1000g_log(NULL, CE_WARN, "Loopback is not supported on e1000g%d", Adapter->instance); return (IOC_INVAL); } switch (iocp->ioc_cmd) { default: return (IOC_INVAL); case LB_GET_INFO_SIZE: size = sizeof (lb_info_sz_t); if (iocp->ioc_count != size) return (IOC_INVAL); rw_enter(&Adapter->chip_lock, RW_WRITER); e1000g_get_phy_state(Adapter); /* * Workaround for hardware faults. In order to get a stable * state of phy, we will wait for a specific interval and * try again. The time delay is an experiential value based * on our testing. */ msec_delay(100); e1000g_get_phy_state(Adapter); rw_exit(&Adapter->chip_lock); value = sizeof (lb_normal); if ((Adapter->phy_ext_status & IEEE_ESR_1000T_FD_CAPS) || (Adapter->phy_ext_status & IEEE_ESR_1000X_FD_CAPS) || (hw->phy.media_type == e1000_media_type_fiber) || (hw->phy.media_type == e1000_media_type_internal_serdes)) { value += sizeof (lb_phy); switch (hw->mac.type) { case e1000_82571: case e1000_82572: case e1000_80003es2lan: value += sizeof (lb_external1000); break; } } if ((Adapter->phy_status & MII_SR_100X_FD_CAPS) || (Adapter->phy_status & MII_SR_100T2_FD_CAPS)) value += sizeof (lb_external100); if (Adapter->phy_status & MII_SR_10T_FD_CAPS) value += sizeof (lb_external10); lbsp = (lb_info_sz_t *)(uintptr_t)mp->b_cont->b_rptr; *lbsp = value; break; case LB_GET_INFO: value = sizeof (lb_normal); if ((Adapter->phy_ext_status & IEEE_ESR_1000T_FD_CAPS) || (Adapter->phy_ext_status & IEEE_ESR_1000X_FD_CAPS) || (hw->phy.media_type == e1000_media_type_fiber) || (hw->phy.media_type == e1000_media_type_internal_serdes)) { value += sizeof (lb_phy); switch (hw->mac.type) { case e1000_82571: case e1000_82572: case e1000_80003es2lan: value += sizeof (lb_external1000); break; } } if ((Adapter->phy_status & MII_SR_100X_FD_CAPS) || (Adapter->phy_status & MII_SR_100T2_FD_CAPS)) value += sizeof (lb_external100); if (Adapter->phy_status & MII_SR_10T_FD_CAPS) value += sizeof (lb_external10); size = value; if (iocp->ioc_count != size) return (IOC_INVAL); value = 0; lbpp = (lb_property_t *)(uintptr_t)mp->b_cont->b_rptr; lbpp[value++] = lb_normal; if ((Adapter->phy_ext_status & IEEE_ESR_1000T_FD_CAPS) || (Adapter->phy_ext_status & IEEE_ESR_1000X_FD_CAPS) || (hw->phy.media_type == e1000_media_type_fiber) || (hw->phy.media_type == e1000_media_type_internal_serdes)) { lbpp[value++] = lb_phy; switch (hw->mac.type) { case e1000_82571: case e1000_82572: case e1000_80003es2lan: lbpp[value++] = lb_external1000; break; } } if ((Adapter->phy_status & MII_SR_100X_FD_CAPS) || (Adapter->phy_status & MII_SR_100T2_FD_CAPS)) lbpp[value++] = lb_external100; if (Adapter->phy_status & MII_SR_10T_FD_CAPS) lbpp[value++] = lb_external10; break; case LB_GET_MODE: size = sizeof (uint32_t); if (iocp->ioc_count != size) return (IOC_INVAL); lbmp = (uint32_t *)(uintptr_t)mp->b_cont->b_rptr; *lbmp = Adapter->loopback_mode; break; case LB_SET_MODE: size = 0; if (iocp->ioc_count != sizeof (uint32_t)) return (IOC_INVAL); lbmp = (uint32_t *)(uintptr_t)mp->b_cont->b_rptr; if (!e1000g_set_loopback_mode(Adapter, *lbmp)) return (IOC_INVAL); break; } iocp->ioc_count = size; iocp->ioc_error = 0; if (e1000g_check_acc_handle(Adapter->osdep.reg_handle) != DDI_FM_OK) { ddi_fm_service_impact(Adapter->dip, DDI_SERVICE_DEGRADED); return (IOC_INVAL); } return (IOC_REPLY); } static boolean_t e1000g_check_loopback_support(struct e1000_hw *hw) { switch (hw->mac.type) { case e1000_82540: case e1000_82545: case e1000_82545_rev_3: case e1000_82546: case e1000_82546_rev_3: case e1000_82541: case e1000_82541_rev_2: case e1000_82547: case e1000_82547_rev_2: case e1000_82571: case e1000_82572: case e1000_82573: case e1000_82574: case e1000_80003es2lan: case e1000_ich9lan: case e1000_ich10lan: return (B_TRUE); } return (B_FALSE); } static boolean_t e1000g_set_loopback_mode(struct e1000g *Adapter, uint32_t mode) { struct e1000_hw *hw; int i, times; boolean_t link_up; if (mode == Adapter->loopback_mode) return (B_TRUE); hw = &Adapter->shared; times = 0; Adapter->loopback_mode = mode; if (mode == E1000G_LB_NONE) { /* Reset the chip */ hw->phy.autoneg_wait_to_complete = B_TRUE; (void) e1000g_reset_adapter(Adapter); hw->phy.autoneg_wait_to_complete = B_FALSE; return (B_TRUE); } again: rw_enter(&Adapter->chip_lock, RW_WRITER); switch (mode) { default: rw_exit(&Adapter->chip_lock); return (B_FALSE); case E1000G_LB_EXTERNAL_1000: e1000g_set_external_loopback_1000(Adapter); break; case E1000G_LB_EXTERNAL_100: e1000g_set_external_loopback_100(Adapter); break; case E1000G_LB_EXTERNAL_10: e1000g_set_external_loopback_10(Adapter); break; case E1000G_LB_INTERNAL_PHY: e1000g_set_internal_loopback(Adapter); break; } times++; rw_exit(&Adapter->chip_lock); /* Wait for link up */ for (i = (PHY_FORCE_LIMIT * 2); i > 0; i--) msec_delay(100); rw_enter(&Adapter->chip_lock, RW_WRITER); link_up = e1000g_link_up(Adapter); rw_exit(&Adapter->chip_lock); if (!link_up) { E1000G_DEBUGLOG_0(Adapter, E1000G_INFO_LEVEL, "Failed to get the link up"); if (times < 2) { /* Reset the link */ E1000G_DEBUGLOG_0(Adapter, E1000G_INFO_LEVEL, "Reset the link ..."); (void) e1000g_reset_adapter(Adapter); goto again; } /* * Reset driver to loopback none when set loopback failed * for the second time. */ Adapter->loopback_mode = E1000G_LB_NONE; /* Reset the chip */ hw->phy.autoneg_wait_to_complete = B_TRUE; (void) e1000g_reset_adapter(Adapter); hw->phy.autoneg_wait_to_complete = B_FALSE; E1000G_DEBUGLOG_0(Adapter, E1000G_INFO_LEVEL, "Set loopback mode failed, reset to loopback none"); return (B_FALSE); } return (B_TRUE); } /* * The following loopback settings are from Intel's technical * document - "How To Loopback". All the register settings and * time delay values are directly inherited from the document * without more explanations available. */ static void e1000g_set_internal_loopback(struct e1000g *Adapter) { struct e1000_hw *hw; uint32_t ctrl; uint32_t status; uint16_t phy_ctrl; uint16_t phy_reg; uint32_t txcw; hw = &Adapter->shared; /* Disable Smart Power Down */ phy_spd_state(hw, B_FALSE); (void) e1000_read_phy_reg(hw, PHY_CONTROL, &phy_ctrl); phy_ctrl &= ~(MII_CR_AUTO_NEG_EN | MII_CR_SPEED_100 | MII_CR_SPEED_10); phy_ctrl |= MII_CR_FULL_DUPLEX | MII_CR_SPEED_1000; switch (hw->mac.type) { case e1000_82540: case e1000_82545: case e1000_82545_rev_3: case e1000_82546: case e1000_82546_rev_3: case e1000_82573: /* Auto-MDI/MDIX off */ (void) e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, 0x0808); /* Reset PHY to update Auto-MDI/MDIX */ (void) e1000_write_phy_reg(hw, PHY_CONTROL, phy_ctrl | MII_CR_RESET | MII_CR_AUTO_NEG_EN); /* Reset PHY to auto-neg off and force 1000 */ (void) e1000_write_phy_reg(hw, PHY_CONTROL, phy_ctrl | MII_CR_RESET); /* * Disable PHY receiver for 82540/545/546 and 82573 Family. * See comments above e1000g_set_internal_loopback() for the * background. */ (void) e1000_write_phy_reg(hw, 29, 0x001F); (void) e1000_write_phy_reg(hw, 30, 0x8FFC); (void) e1000_write_phy_reg(hw, 29, 0x001A); (void) e1000_write_phy_reg(hw, 30, 0x8FF0); break; case e1000_80003es2lan: /* Force Link Up */ (void) e1000_write_phy_reg(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC); /* Sets PCS loopback at 1Gbs */ (void) e1000_write_phy_reg(hw, GG82563_PHY_MAC_SPEC_CTRL, 0x1046); break; } /* * The following registers should be set for e1000_phy_bm phy type. * e1000_82574, e1000_ich10lan and some e1000_ich9lan use this phy. * For others, we do not need to set these registers. */ if (hw->phy.type == e1000_phy_bm) { /* Set Default MAC Interface speed to 1GB */ (void) e1000_read_phy_reg(hw, PHY_REG(2, 21), &phy_reg); phy_reg &= ~0x0007; phy_reg |= 0x006; (void) e1000_write_phy_reg(hw, PHY_REG(2, 21), phy_reg); /* Assert SW reset for above settings to take effect */ (void) e1000_phy_commit(hw); msec_delay(1); /* Force Full Duplex */ (void) e1000_read_phy_reg(hw, PHY_REG(769, 16), &phy_reg); (void) e1000_write_phy_reg(hw, PHY_REG(769, 16), phy_reg | 0x000C); /* Set Link Up (in force link) */ (void) e1000_read_phy_reg(hw, PHY_REG(776, 16), &phy_reg); (void) e1000_write_phy_reg(hw, PHY_REG(776, 16), phy_reg | 0x0040); /* Force Link */ (void) e1000_read_phy_reg(hw, PHY_REG(769, 16), &phy_reg); (void) e1000_write_phy_reg(hw, PHY_REG(769, 16), phy_reg | 0x0040); /* Set Early Link Enable */ (void) e1000_read_phy_reg(hw, PHY_REG(769, 20), &phy_reg); (void) e1000_write_phy_reg(hw, PHY_REG(769, 20), phy_reg | 0x0400); } /* Set loopback */ (void) e1000_write_phy_reg(hw, PHY_CONTROL, phy_ctrl | MII_CR_LOOPBACK); msec_delay(250); /* Now set up the MAC to the same speed/duplex as the PHY. */ ctrl = E1000_READ_REG(hw, E1000_CTRL); ctrl &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ ctrl |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ E1000_CTRL_SPD_1000 | /* Force Speed to 1000 */ E1000_CTRL_FD); /* Force Duplex to FULL */ switch (hw->mac.type) { case e1000_82540: case e1000_82545: case e1000_82545_rev_3: case e1000_82546: case e1000_82546_rev_3: /* * For some serdes we'll need to commit the writes now * so that the status is updated on link */ if (hw->phy.media_type == e1000_media_type_internal_serdes) { E1000_WRITE_REG(hw, E1000_CTRL, ctrl); msec_delay(100); ctrl = E1000_READ_REG(hw, E1000_CTRL); } if (hw->phy.media_type == e1000_media_type_copper) { /* Invert Loss of Signal */ ctrl |= E1000_CTRL_ILOS; } else { /* Set ILOS on fiber nic if half duplex is detected */ status = E1000_READ_REG(hw, E1000_STATUS); if ((status & E1000_STATUS_FD) == 0) ctrl |= E1000_CTRL_ILOS | E1000_CTRL_SLU; } break; case e1000_82571: case e1000_82572: /* * The fiber/SerDes versions of this adapter do not contain an * accessible PHY. Therefore, loopback beyond MAC must be done * using SerDes analog loopback. */ if (hw->phy.media_type != e1000_media_type_copper) { /* Disable autoneg by setting bit 31 of TXCW to zero */ txcw = E1000_READ_REG(hw, E1000_TXCW); txcw &= ~((uint32_t)1 << 31); E1000_WRITE_REG(hw, E1000_TXCW, txcw); /* * Write 0x410 to Serdes Control register * to enable Serdes analog loopback */ E1000_WRITE_REG(hw, E1000_SCTL, 0x0410); msec_delay(10); } status = E1000_READ_REG(hw, E1000_STATUS); /* Set ILOS on fiber nic if half duplex is detected */ if ((hw->phy.media_type == e1000_media_type_fiber) && ((status & E1000_STATUS_FD) == 0 || (status & E1000_STATUS_LU) == 0)) ctrl |= E1000_CTRL_ILOS | E1000_CTRL_SLU; else if (hw->phy.media_type == e1000_media_type_internal_serdes) ctrl |= E1000_CTRL_SLU; break; case e1000_82573: ctrl |= E1000_CTRL_ILOS; break; case e1000_ich9lan: case e1000_ich10lan: ctrl |= E1000_CTRL_SLU; break; } if (hw->phy.type == e1000_phy_bm) ctrl |= E1000_CTRL_SLU | E1000_CTRL_ILOS; E1000_WRITE_REG(hw, E1000_CTRL, ctrl); } static void e1000g_set_external_loopback_1000(struct e1000g *Adapter) { struct e1000_hw *hw; uint32_t rctl; uint32_t ctrl_ext; uint32_t ctrl; uint32_t status; uint32_t txcw; uint16_t phydata; hw = &Adapter->shared; /* Disable Smart Power Down */ phy_spd_state(hw, B_FALSE); switch (hw->mac.type) { case e1000_82571: case e1000_82572: switch (hw->phy.media_type) { case e1000_media_type_copper: /* Force link up (Must be done before the PHY writes) */ ctrl = E1000_READ_REG(hw, E1000_CTRL); ctrl |= E1000_CTRL_SLU; /* Force Link Up */ E1000_WRITE_REG(hw, E1000_CTRL, ctrl); rctl = E1000_READ_REG(hw, E1000_RCTL); rctl |= (E1000_RCTL_EN | E1000_RCTL_SBP | E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE | E1000_RCTL_BAM); /* 0x803E */ E1000_WRITE_REG(hw, E1000_RCTL, rctl); ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT); ctrl_ext |= (E1000_CTRL_EXT_SDP4_DATA | E1000_CTRL_EXT_SDP6_DATA | E1000_CTRL_EXT_SDP3_DATA | E1000_CTRL_EXT_SDP4_DIR | E1000_CTRL_EXT_SDP6_DIR | E1000_CTRL_EXT_SDP3_DIR); /* 0x0DD0 */ E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext); /* * This sequence tunes the PHY's SDP and no customer * settable values. For background, see comments above * e1000g_set_internal_loopback(). */ (void) e1000_write_phy_reg(hw, 0x0, 0x140); msec_delay(10); (void) e1000_write_phy_reg(hw, 0x9, 0x1A00); (void) e1000_write_phy_reg(hw, 0x12, 0xC10); (void) e1000_write_phy_reg(hw, 0x12, 0x1C10); (void) e1000_write_phy_reg(hw, 0x1F37, 0x76); (void) e1000_write_phy_reg(hw, 0x1F33, 0x1); (void) e1000_write_phy_reg(hw, 0x1F33, 0x0); (void) e1000_write_phy_reg(hw, 0x1F35, 0x65); (void) e1000_write_phy_reg(hw, 0x1837, 0x3F7C); (void) e1000_write_phy_reg(hw, 0x1437, 0x3FDC); (void) e1000_write_phy_reg(hw, 0x1237, 0x3F7C); (void) e1000_write_phy_reg(hw, 0x1137, 0x3FDC); msec_delay(50); break; case e1000_media_type_fiber: case e1000_media_type_internal_serdes: status = E1000_READ_REG(hw, E1000_STATUS); if (((status & E1000_STATUS_LU) == 0) || (hw->phy.media_type == e1000_media_type_internal_serdes)) { ctrl = E1000_READ_REG(hw, E1000_CTRL); ctrl |= E1000_CTRL_ILOS | E1000_CTRL_SLU; E1000_WRITE_REG(hw, E1000_CTRL, ctrl); } /* Disable autoneg by setting bit 31 of TXCW to zero */ txcw = E1000_READ_REG(hw, E1000_TXCW); txcw &= ~((uint32_t)1 << 31); E1000_WRITE_REG(hw, E1000_TXCW, txcw); /* * Write 0x410 to Serdes Control register * to enable Serdes analog loopback */ E1000_WRITE_REG(hw, E1000_SCTL, 0x0410); msec_delay(10); break; default: break; } break; case e1000_82574: case e1000_80003es2lan: case e1000_ich9lan: case e1000_ich10lan: (void) e1000_read_phy_reg(hw, GG82563_REG(6, 16), &phydata); (void) e1000_write_phy_reg(hw, GG82563_REG(6, 16), phydata | (1 << 5)); Adapter->param_adv_autoneg = 1; Adapter->param_adv_1000fdx = 1; (void) e1000g_reset_link(Adapter); break; } } static void e1000g_set_external_loopback_100(struct e1000g *Adapter) { struct e1000_hw *hw; uint32_t ctrl; uint16_t phy_ctrl; hw = &Adapter->shared; /* Disable Smart Power Down */ phy_spd_state(hw, B_FALSE); phy_ctrl = (MII_CR_FULL_DUPLEX | MII_CR_SPEED_100); /* Force 100/FD, reset PHY */ (void) e1000_write_phy_reg(hw, PHY_CONTROL, phy_ctrl | MII_CR_RESET); /* 0xA100 */ msec_delay(10); /* Force 100/FD */ (void) e1000_write_phy_reg(hw, PHY_CONTROL, phy_ctrl); /* 0x2100 */ msec_delay(10); /* Now setup the MAC to the same speed/duplex as the PHY. */ ctrl = E1000_READ_REG(hw, E1000_CTRL); ctrl &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ ctrl |= (E1000_CTRL_SLU | /* Force Link Up */ E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ E1000_CTRL_SPD_100 | /* Force Speed to 100 */ E1000_CTRL_FD); /* Force Duplex to FULL */ E1000_WRITE_REG(hw, E1000_CTRL, ctrl); } static void e1000g_set_external_loopback_10(struct e1000g *Adapter) { struct e1000_hw *hw; uint32_t ctrl; uint16_t phy_ctrl; hw = &Adapter->shared; /* Disable Smart Power Down */ phy_spd_state(hw, B_FALSE); phy_ctrl = (MII_CR_FULL_DUPLEX | MII_CR_SPEED_10); /* Force 10/FD, reset PHY */ (void) e1000_write_phy_reg(hw, PHY_CONTROL, phy_ctrl | MII_CR_RESET); /* 0x8100 */ msec_delay(10); /* Force 10/FD */ (void) e1000_write_phy_reg(hw, PHY_CONTROL, phy_ctrl); /* 0x0100 */ msec_delay(10); /* Now setup the MAC to the same speed/duplex as the PHY. */ ctrl = E1000_READ_REG(hw, E1000_CTRL); ctrl &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ ctrl |= (E1000_CTRL_SLU | /* Force Link Up */ E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ E1000_CTRL_SPD_10 | /* Force Speed to 10 */ E1000_CTRL_FD); /* Force Duplex to FULL */ E1000_WRITE_REG(hw, E1000_CTRL, ctrl); } #ifdef __sparc static boolean_t e1000g_find_mac_address(struct e1000g *Adapter) { struct e1000_hw *hw = &Adapter->shared; uchar_t *bytes; struct ether_addr sysaddr; uint_t nelts; int err; boolean_t found = B_FALSE; /* * The "vendor's factory-set address" may already have * been extracted from the chip, but if the property * "local-mac-address" is set we use that instead. * * We check whether it looks like an array of 6 * bytes (which it should, if OBP set it). If we can't * make sense of it this way, we'll ignore it. */ err = ddi_prop_lookup_byte_array(DDI_DEV_T_ANY, Adapter->dip, DDI_PROP_DONTPASS, "local-mac-address", &bytes, &nelts); if (err == DDI_PROP_SUCCESS) { if (nelts == ETHERADDRL) { while (nelts--) hw->mac.addr[nelts] = bytes[nelts]; found = B_TRUE; } ddi_prop_free(bytes); } /* * Look up the OBP property "local-mac-address?". If the user has set * 'local-mac-address? = false', use "the system address" instead. */ if (ddi_prop_lookup_byte_array(DDI_DEV_T_ANY, Adapter->dip, 0, "local-mac-address?", &bytes, &nelts) == DDI_PROP_SUCCESS) { if (strncmp("false", (caddr_t)bytes, (size_t)nelts) == 0) { if (localetheraddr(NULL, &sysaddr) != 0) { bcopy(&sysaddr, hw->mac.addr, ETHERADDRL); found = B_TRUE; } } ddi_prop_free(bytes); } /* * Finally(!), if there's a valid "mac-address" property (created * if we netbooted from this interface), we must use this instead * of any of the above to ensure that the NFS/install server doesn't * get confused by the address changing as Solaris takes over! */ err = ddi_prop_lookup_byte_array(DDI_DEV_T_ANY, Adapter->dip, DDI_PROP_DONTPASS, "mac-address", &bytes, &nelts); if (err == DDI_PROP_SUCCESS) { if (nelts == ETHERADDRL) { while (nelts--) hw->mac.addr[nelts] = bytes[nelts]; found = B_TRUE; } ddi_prop_free(bytes); } if (found) { bcopy(hw->mac.addr, hw->mac.perm_addr, ETHERADDRL); } return (found); } #endif static int e1000g_add_intrs(struct e1000g *Adapter) { dev_info_t *devinfo; int intr_types; int rc; devinfo = Adapter->dip; /* Get supported interrupt types */ rc = ddi_intr_get_supported_types(devinfo, &intr_types); if (rc != DDI_SUCCESS) { E1000G_DEBUGLOG_1(Adapter, E1000G_WARN_LEVEL, "Get supported interrupt types failed: %d\n", rc); return (DDI_FAILURE); } /* * Based on Intel Technical Advisory document (TA-160), there are some * cases where some older Intel PCI-X NICs may "advertise" to the OS * that it supports MSI, but in fact has problems. * So we should only enable MSI for PCI-E NICs and disable MSI for old * PCI/PCI-X NICs. */ if (Adapter->shared.mac.type < e1000_82571) Adapter->msi_enable = B_FALSE; if ((intr_types & DDI_INTR_TYPE_MSI) && Adapter->msi_enable) { rc = e1000g_intr_add(Adapter, DDI_INTR_TYPE_MSI); if (rc != DDI_SUCCESS) { /* EMPTY */ E1000G_DEBUGLOG_0(Adapter, E1000G_WARN_LEVEL, "Add MSI failed, trying Legacy interrupts\n"); } else { Adapter->intr_type = DDI_INTR_TYPE_MSI; } } if ((Adapter->intr_type == 0) && (intr_types & DDI_INTR_TYPE_FIXED)) { rc = e1000g_intr_add(Adapter, DDI_INTR_TYPE_FIXED); if (rc != DDI_SUCCESS) { E1000G_DEBUGLOG_0(Adapter, E1000G_WARN_LEVEL, "Add Legacy interrupts failed\n"); return (DDI_FAILURE); } Adapter->intr_type = DDI_INTR_TYPE_FIXED; } if (Adapter->intr_type == 0) { E1000G_DEBUGLOG_0(Adapter, E1000G_WARN_LEVEL, "No interrupts registered\n"); return (DDI_FAILURE); } return (DDI_SUCCESS); } /* * e1000g_intr_add() handles MSI/Legacy interrupts */ static int e1000g_intr_add(struct e1000g *Adapter, int intr_type) { dev_info_t *devinfo; int count, avail, actual; int x, y, rc, inum = 0; int flag; ddi_intr_handler_t *intr_handler; devinfo = Adapter->dip; /* get number of interrupts */ rc = ddi_intr_get_nintrs(devinfo, intr_type, &count); if ((rc != DDI_SUCCESS) || (count == 0)) { E1000G_DEBUGLOG_2(Adapter, E1000G_WARN_LEVEL, "Get interrupt number failed. Return: %d, count: %d\n", rc, count); return (DDI_FAILURE); } /* get number of available interrupts */ rc = ddi_intr_get_navail(devinfo, intr_type, &avail); if ((rc != DDI_SUCCESS) || (avail == 0)) { E1000G_DEBUGLOG_2(Adapter, E1000G_WARN_LEVEL, "Get interrupt available number failed. " "Return: %d, available: %d\n", rc, avail); return (DDI_FAILURE); } if (avail < count) { /* EMPTY */ E1000G_DEBUGLOG_2(Adapter, E1000G_WARN_LEVEL, "Interrupts count: %d, available: %d\n", count, avail); } /* Allocate an array of interrupt handles */ Adapter->intr_size = count * sizeof (ddi_intr_handle_t); Adapter->htable = kmem_alloc(Adapter->intr_size, KM_SLEEP); /* Set NORMAL behavior for both MSI and FIXED interrupt */ flag = DDI_INTR_ALLOC_NORMAL; /* call ddi_intr_alloc() */ rc = ddi_intr_alloc(devinfo, Adapter->htable, intr_type, inum, count, &actual, flag); if ((rc != DDI_SUCCESS) || (actual == 0)) { E1000G_DEBUGLOG_1(Adapter, E1000G_WARN_LEVEL, "Allocate interrupts failed: %d\n", rc); kmem_free(Adapter->htable, Adapter->intr_size); return (DDI_FAILURE); } if (actual < count) { /* EMPTY */ E1000G_DEBUGLOG_2(Adapter, E1000G_WARN_LEVEL, "Interrupts requested: %d, received: %d\n", count, actual); } Adapter->intr_cnt = actual; /* Get priority for first msi, assume remaining are all the same */ rc = ddi_intr_get_pri(Adapter->htable[0], &Adapter->intr_pri); if (rc != DDI_SUCCESS) { E1000G_DEBUGLOG_1(Adapter, E1000G_WARN_LEVEL, "Get interrupt priority failed: %d\n", rc); /* Free already allocated intr */ for (y = 0; y < actual; y++) (void) ddi_intr_free(Adapter->htable[y]); kmem_free(Adapter->htable, Adapter->intr_size); return (DDI_FAILURE); } /* * In Legacy Interrupt mode, for PCI-Express adapters, we should * use the interrupt service routine e1000g_intr_pciexpress() * to avoid interrupt stealing when sharing interrupt with other * devices. */ if (Adapter->shared.mac.type < e1000_82571) intr_handler = e1000g_intr; else intr_handler = e1000g_intr_pciexpress; /* Call ddi_intr_add_handler() */ for (x = 0; x < actual; x++) { rc = ddi_intr_add_handler(Adapter->htable[x], intr_handler, (caddr_t)Adapter, NULL); if (rc != DDI_SUCCESS) { E1000G_DEBUGLOG_1(Adapter, E1000G_WARN_LEVEL, "Add interrupt handler failed: %d\n", rc); /* Remove already added handler */ for (y = 0; y < x; y++) (void) ddi_intr_remove_handler( Adapter->htable[y]); /* Free already allocated intr */ for (y = 0; y < actual; y++) (void) ddi_intr_free(Adapter->htable[y]); kmem_free(Adapter->htable, Adapter->intr_size); return (DDI_FAILURE); } } rc = ddi_intr_get_cap(Adapter->htable[0], &Adapter->intr_cap); if (rc != DDI_SUCCESS) { E1000G_DEBUGLOG_1(Adapter, E1000G_WARN_LEVEL, "Get interrupt cap failed: %d\n", rc); /* Free already allocated intr */ for (y = 0; y < actual; y++) { (void) ddi_intr_remove_handler(Adapter->htable[y]); (void) ddi_intr_free(Adapter->htable[y]); } kmem_free(Adapter->htable, Adapter->intr_size); return (DDI_FAILURE); } return (DDI_SUCCESS); } static int e1000g_rem_intrs(struct e1000g *Adapter) { int x; int rc; for (x = 0; x < Adapter->intr_cnt; x++) { rc = ddi_intr_remove_handler(Adapter->htable[x]); if (rc != DDI_SUCCESS) { E1000G_DEBUGLOG_1(Adapter, E1000G_WARN_LEVEL, "Remove intr handler failed: %d\n", rc); return (DDI_FAILURE); } rc = ddi_intr_free(Adapter->htable[x]); if (rc != DDI_SUCCESS) { E1000G_DEBUGLOG_1(Adapter, E1000G_WARN_LEVEL, "Free intr failed: %d\n", rc); return (DDI_FAILURE); } } kmem_free(Adapter->htable, Adapter->intr_size); return (DDI_SUCCESS); } static int e1000g_enable_intrs(struct e1000g *Adapter) { int x; int rc; /* Enable interrupts */ if (Adapter->intr_cap & DDI_INTR_FLAG_BLOCK) { /* Call ddi_intr_block_enable() for MSI */ rc = ddi_intr_block_enable(Adapter->htable, Adapter->intr_cnt); if (rc != DDI_SUCCESS) { E1000G_DEBUGLOG_1(Adapter, E1000G_WARN_LEVEL, "Enable block intr failed: %d\n", rc); return (DDI_FAILURE); } } else { /* Call ddi_intr_enable() for Legacy/MSI non block enable */ for (x = 0; x < Adapter->intr_cnt; x++) { rc = ddi_intr_enable(Adapter->htable[x]); if (rc != DDI_SUCCESS) { E1000G_DEBUGLOG_1(Adapter, E1000G_WARN_LEVEL, "Enable intr failed: %d\n", rc); return (DDI_FAILURE); } } } return (DDI_SUCCESS); } static int e1000g_disable_intrs(struct e1000g *Adapter) { int x; int rc; /* Disable all interrupts */ if (Adapter->intr_cap & DDI_INTR_FLAG_BLOCK) { rc = ddi_intr_block_disable(Adapter->htable, Adapter->intr_cnt); if (rc != DDI_SUCCESS) { E1000G_DEBUGLOG_1(Adapter, E1000G_WARN_LEVEL, "Disable block intr failed: %d\n", rc); return (DDI_FAILURE); } } else { for (x = 0; x < Adapter->intr_cnt; x++) { rc = ddi_intr_disable(Adapter->htable[x]); if (rc != DDI_SUCCESS) { E1000G_DEBUGLOG_1(Adapter, E1000G_WARN_LEVEL, "Disable intr failed: %d\n", rc); return (DDI_FAILURE); } } } return (DDI_SUCCESS); } /* * e1000g_get_phy_state - get the state of PHY registers, save in the adapter */ static void e1000g_get_phy_state(struct e1000g *Adapter) { struct e1000_hw *hw = &Adapter->shared; if (hw->phy.media_type == e1000_media_type_copper) { (void) e1000_read_phy_reg(hw, PHY_CONTROL, &Adapter->phy_ctrl); (void) e1000_read_phy_reg(hw, PHY_STATUS, &Adapter->phy_status); (void) e1000_read_phy_reg(hw, PHY_AUTONEG_ADV, &Adapter->phy_an_adv); (void) e1000_read_phy_reg(hw, PHY_AUTONEG_EXP, &Adapter->phy_an_exp); (void) e1000_read_phy_reg(hw, PHY_EXT_STATUS, &Adapter->phy_ext_status); (void) e1000_read_phy_reg(hw, PHY_1000T_CTRL, &Adapter->phy_1000t_ctrl); (void) e1000_read_phy_reg(hw, PHY_1000T_STATUS, &Adapter->phy_1000t_status); (void) e1000_read_phy_reg(hw, PHY_LP_ABILITY, &Adapter->phy_lp_able); Adapter->param_autoneg_cap = (Adapter->phy_status & MII_SR_AUTONEG_CAPS) ? 1 : 0; Adapter->param_pause_cap = (Adapter->phy_an_adv & NWAY_AR_PAUSE) ? 1 : 0; Adapter->param_asym_pause_cap = (Adapter->phy_an_adv & NWAY_AR_ASM_DIR) ? 1 : 0; Adapter->param_1000fdx_cap = ((Adapter->phy_ext_status & IEEE_ESR_1000T_FD_CAPS) || (Adapter->phy_ext_status & IEEE_ESR_1000X_FD_CAPS)) ? 1 : 0; Adapter->param_1000hdx_cap = ((Adapter->phy_ext_status & IEEE_ESR_1000T_HD_CAPS) || (Adapter->phy_ext_status & IEEE_ESR_1000X_HD_CAPS)) ? 1 : 0; Adapter->param_100t4_cap = (Adapter->phy_status & MII_SR_100T4_CAPS) ? 1 : 0; Adapter->param_100fdx_cap = ((Adapter->phy_status & MII_SR_100X_FD_CAPS) || (Adapter->phy_status & MII_SR_100T2_FD_CAPS)) ? 1 : 0; Adapter->param_100hdx_cap = ((Adapter->phy_status & MII_SR_100X_HD_CAPS) || (Adapter->phy_status & MII_SR_100T2_HD_CAPS)) ? 1 : 0; Adapter->param_10fdx_cap = (Adapter->phy_status & MII_SR_10T_FD_CAPS) ? 1 : 0; Adapter->param_10hdx_cap = (Adapter->phy_status & MII_SR_10T_HD_CAPS) ? 1 : 0; Adapter->param_adv_autoneg = hw->mac.autoneg; Adapter->param_adv_pause = (Adapter->phy_an_adv & NWAY_AR_PAUSE) ? 1 : 0; Adapter->param_adv_asym_pause = (Adapter->phy_an_adv & NWAY_AR_ASM_DIR) ? 1 : 0; Adapter->param_adv_1000hdx = (Adapter->phy_1000t_ctrl & CR_1000T_HD_CAPS) ? 1 : 0; Adapter->param_adv_100t4 = (Adapter->phy_an_adv & NWAY_AR_100T4_CAPS) ? 1 : 0; if (Adapter->param_adv_autoneg == 1) { Adapter->param_adv_1000fdx = (Adapter->phy_1000t_ctrl & CR_1000T_FD_CAPS) ? 1 : 0; Adapter->param_adv_100fdx = (Adapter->phy_an_adv & NWAY_AR_100TX_FD_CAPS) ? 1 : 0; Adapter->param_adv_100hdx = (Adapter->phy_an_adv & NWAY_AR_100TX_HD_CAPS) ? 1 : 0; Adapter->param_adv_10fdx = (Adapter->phy_an_adv & NWAY_AR_10T_FD_CAPS) ? 1 : 0; Adapter->param_adv_10hdx = (Adapter->phy_an_adv & NWAY_AR_10T_HD_CAPS) ? 1 : 0; } Adapter->param_lp_autoneg = (Adapter->phy_an_exp & NWAY_ER_LP_NWAY_CAPS) ? 1 : 0; Adapter->param_lp_pause = (Adapter->phy_lp_able & NWAY_LPAR_PAUSE) ? 1 : 0; Adapter->param_lp_asym_pause = (Adapter->phy_lp_able & NWAY_LPAR_ASM_DIR) ? 1 : 0; Adapter->param_lp_1000fdx = (Adapter->phy_1000t_status & SR_1000T_LP_FD_CAPS) ? 1 : 0; Adapter->param_lp_1000hdx = (Adapter->phy_1000t_status & SR_1000T_LP_HD_CAPS) ? 1 : 0; Adapter->param_lp_100t4 = (Adapter->phy_lp_able & NWAY_LPAR_100T4_CAPS) ? 1 : 0; Adapter->param_lp_100fdx = (Adapter->phy_lp_able & NWAY_LPAR_100TX_FD_CAPS) ? 1 : 0; Adapter->param_lp_100hdx = (Adapter->phy_lp_able & NWAY_LPAR_100TX_HD_CAPS) ? 1 : 0; Adapter->param_lp_10fdx = (Adapter->phy_lp_able & NWAY_LPAR_10T_FD_CAPS) ? 1 : 0; Adapter->param_lp_10hdx = (Adapter->phy_lp_able & NWAY_LPAR_10T_HD_CAPS) ? 1 : 0; } else { /* * 1Gig Fiber adapter only offers 1Gig Full Duplex. Meaning, * it can only work with 1Gig Full Duplex Link Partner. */ Adapter->param_autoneg_cap = 0; Adapter->param_pause_cap = 1; Adapter->param_asym_pause_cap = 1; Adapter->param_1000fdx_cap = 1; Adapter->param_1000hdx_cap = 0; Adapter->param_100t4_cap = 0; Adapter->param_100fdx_cap = 0; Adapter->param_100hdx_cap = 0; Adapter->param_10fdx_cap = 0; Adapter->param_10hdx_cap = 0; Adapter->param_adv_autoneg = 0; Adapter->param_adv_pause = 1; Adapter->param_adv_asym_pause = 1; Adapter->param_adv_1000fdx = 1; Adapter->param_adv_1000hdx = 0; Adapter->param_adv_100t4 = 0; Adapter->param_adv_100fdx = 0; Adapter->param_adv_100hdx = 0; Adapter->param_adv_10fdx = 0; Adapter->param_adv_10hdx = 0; Adapter->param_lp_autoneg = 0; Adapter->param_lp_pause = 0; Adapter->param_lp_asym_pause = 0; Adapter->param_lp_1000fdx = 0; Adapter->param_lp_1000hdx = 0; Adapter->param_lp_100t4 = 0; Adapter->param_lp_100fdx = 0; Adapter->param_lp_100hdx = 0; Adapter->param_lp_10fdx = 0; Adapter->param_lp_10hdx = 0; } } /* * FMA support */ int e1000g_check_acc_handle(ddi_acc_handle_t handle) { ddi_fm_error_t de; ddi_fm_acc_err_get(handle, &de, DDI_FME_VERSION); ddi_fm_acc_err_clear(handle, DDI_FME_VERSION); return (de.fme_status); } int e1000g_check_dma_handle(ddi_dma_handle_t handle) { ddi_fm_error_t de; ddi_fm_dma_err_get(handle, &de, DDI_FME_VERSION); return (de.fme_status); } /* * The IO fault service error handling callback function */ /* ARGSUSED2 */ static int e1000g_fm_error_cb(dev_info_t *dip, ddi_fm_error_t *err, const void *impl_data) { /* * as the driver can always deal with an error in any dma or * access handle, we can just return the fme_status value. */ pci_ereport_post(dip, err, NULL); return (err->fme_status); } static void e1000g_fm_init(struct e1000g *Adapter) { ddi_iblock_cookie_t iblk; int fma_dma_flag; /* Only register with IO Fault Services if we have some capability */ if (Adapter->fm_capabilities & DDI_FM_ACCCHK_CAPABLE) { e1000g_regs_acc_attr.devacc_attr_access = DDI_FLAGERR_ACC; } else { e1000g_regs_acc_attr.devacc_attr_access = DDI_DEFAULT_ACC; } if (Adapter->fm_capabilities & DDI_FM_DMACHK_CAPABLE) { fma_dma_flag = 1; } else { fma_dma_flag = 0; } (void) e1000g_set_fma_flags(fma_dma_flag); if (Adapter->fm_capabilities) { /* Register capabilities with IO Fault Services */ ddi_fm_init(Adapter->dip, &Adapter->fm_capabilities, &iblk); /* * Initialize pci ereport capabilities if ereport capable */ if (DDI_FM_EREPORT_CAP(Adapter->fm_capabilities) || DDI_FM_ERRCB_CAP(Adapter->fm_capabilities)) pci_ereport_setup(Adapter->dip); /* * Register error callback if error callback capable */ if (DDI_FM_ERRCB_CAP(Adapter->fm_capabilities)) ddi_fm_handler_register(Adapter->dip, e1000g_fm_error_cb, (void*) Adapter); } } static void e1000g_fm_fini(struct e1000g *Adapter) { /* Only unregister FMA capabilities if we registered some */ if (Adapter->fm_capabilities) { /* * Release any resources allocated by pci_ereport_setup() */ if (DDI_FM_EREPORT_CAP(Adapter->fm_capabilities) || DDI_FM_ERRCB_CAP(Adapter->fm_capabilities)) pci_ereport_teardown(Adapter->dip); /* * Un-register error callback if error callback capable */ if (DDI_FM_ERRCB_CAP(Adapter->fm_capabilities)) ddi_fm_handler_unregister(Adapter->dip); /* Unregister from IO Fault Services */ mutex_enter(&e1000g_rx_detach_lock); ddi_fm_fini(Adapter->dip); if (Adapter->priv_dip != NULL) { DEVI(Adapter->priv_dip)->devi_fmhdl = NULL; } mutex_exit(&e1000g_rx_detach_lock); } } void e1000g_fm_ereport(struct e1000g *Adapter, char *detail) { uint64_t ena; char buf[FM_MAX_CLASS]; (void) snprintf(buf, FM_MAX_CLASS, "%s.%s", DDI_FM_DEVICE, detail); ena = fm_ena_generate(0, FM_ENA_FMT1); if (DDI_FM_EREPORT_CAP(Adapter->fm_capabilities)) { ddi_fm_ereport_post(Adapter->dip, buf, ena, DDI_NOSLEEP, FM_VERSION, DATA_TYPE_UINT8, FM_EREPORT_VERS0, NULL); } } /* * quiesce(9E) entry point. * * This function is called when the system is single-threaded at high * PIL with preemption disabled. Therefore, this function must not be * blocked. * * This function returns DDI_SUCCESS on success, or DDI_FAILURE on failure. * DDI_FAILURE indicates an error condition and should almost never happen. */ static int e1000g_quiesce(dev_info_t *devinfo) { struct e1000g *Adapter; Adapter = (struct e1000g *)ddi_get_driver_private(devinfo); if (Adapter == NULL) return (DDI_FAILURE); e1000g_clear_all_interrupts(Adapter); (void) e1000_reset_hw(&Adapter->shared); /* Setup our HW Tx Head & Tail descriptor pointers */ E1000_WRITE_REG(&Adapter->shared, E1000_TDH(0), 0); E1000_WRITE_REG(&Adapter->shared, E1000_TDT(0), 0); /* Setup our HW Rx Head & Tail descriptor pointers */ E1000_WRITE_REG(&Adapter->shared, E1000_RDH(0), 0); E1000_WRITE_REG(&Adapter->shared, E1000_RDT(0), 0); return (DDI_SUCCESS); } /* * synchronize the adv* and en* parameters. * * See comments in for details of the *_en_* * parameters. The usage of ndd for setting adv parameters will * synchronize all the en parameters with the e1000g parameters, * implicitly disabling any settings made via dladm. */ static void e1000g_param_sync(struct e1000g *Adapter) { Adapter->param_en_1000fdx = Adapter->param_adv_1000fdx; Adapter->param_en_1000hdx = Adapter->param_adv_1000hdx; Adapter->param_en_100fdx = Adapter->param_adv_100fdx; Adapter->param_en_100hdx = Adapter->param_adv_100hdx; Adapter->param_en_10fdx = Adapter->param_adv_10fdx; Adapter->param_en_10hdx = Adapter->param_adv_10hdx; } /* * e1000g_get_driver_control - tell manageability firmware that the driver * has control. */ static void e1000g_get_driver_control(struct e1000_hw *hw) { uint32_t ctrl_ext; uint32_t swsm; /* tell manageability firmware the driver has taken over */ switch (hw->mac.type) { case e1000_82573: swsm = E1000_READ_REG(hw, E1000_SWSM); E1000_WRITE_REG(hw, E1000_SWSM, swsm | E1000_SWSM_DRV_LOAD); break; case e1000_82571: case e1000_82572: case e1000_82574: case e1000_80003es2lan: case e1000_ich8lan: case e1000_ich9lan: case e1000_ich10lan: case e1000_pchlan: case e1000_pch2lan: ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT); E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD); break; default: /* no manageability firmware: do nothing */ break; } } /* * e1000g_release_driver_control - tell manageability firmware that the driver * has released control. */ static void e1000g_release_driver_control(struct e1000_hw *hw) { uint32_t ctrl_ext; uint32_t swsm; /* tell manageability firmware the driver has released control */ switch (hw->mac.type) { case e1000_82573: swsm = E1000_READ_REG(hw, E1000_SWSM); E1000_WRITE_REG(hw, E1000_SWSM, swsm & ~E1000_SWSM_DRV_LOAD); break; case e1000_82571: case e1000_82572: case e1000_82574: case e1000_80003es2lan: case e1000_ich8lan: case e1000_ich9lan: case e1000_ich10lan: case e1000_pchlan: case e1000_pch2lan: ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT); E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD); break; default: /* no manageability firmware: do nothing */ break; } } /* * Restore e1000g promiscuous mode. */ static void e1000g_restore_promisc(struct e1000g *Adapter) { if (Adapter->e1000g_promisc) { uint32_t rctl; rctl = E1000_READ_REG(&Adapter->shared, E1000_RCTL); rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_BAM); E1000_WRITE_REG(&Adapter->shared, E1000_RCTL, rctl); } }