From owner-svn-src-stable@FreeBSD.ORG Sat May 15 07:01:42 2010 Return-Path: Delivered-To: svn-src-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0FFA81065679; Sat, 15 May 2010 07:01:42 +0000 (UTC) (envelope-from jfv@FreeBSD.org) Received: from svn.freebsd.org (unknown [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id F0FAA8FC21; Sat, 15 May 2010 07:01:41 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id o4F71fu6002351; Sat, 15 May 2010 07:01:41 GMT (envelope-from jfv@svn.freebsd.org) Received: (from jfv@localhost) by svn.freebsd.org (8.14.3/8.14.3/Submit) id o4F71fBS002349; Sat, 15 May 2010 07:01:41 GMT (envelope-from jfv@svn.freebsd.org) Message-Id: <201005150701.o4F71fBS002349@svn.freebsd.org> From: Jack F Vogel Date: Sat, 15 May 2010 07:01:41 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org X-SVN-Group: stable-7 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r208108 - stable/7/sys/dev/e1000 X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 15 May 2010 07:01:42 -0000 Author: jfv Date: Sat May 15 07:01:41 2010 New Revision: 208108 URL: http://svn.freebsd.org/changeset/base/208108 Log: Add missing lem files to the MFC Added: stable/7/sys/dev/e1000/if_lem.c (contents, props changed) stable/7/sys/dev/e1000/if_lem.h (contents, props changed) Added: stable/7/sys/dev/e1000/if_lem.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ stable/7/sys/dev/e1000/if_lem.c Sat May 15 07:01:41 2010 (r208108) @@ -0,0 +1,4552 @@ +/****************************************************************************** + + Copyright (c) 2001-2010, Intel Corporation + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + 3. Neither the name of the Intel Corporation nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + +******************************************************************************/ +/*$FreeBSD$*/ + +#ifdef HAVE_KERNEL_OPTION_HEADERS +#include "opt_device_polling.h" +#include "opt_inet.h" +#endif + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#if __FreeBSD_version >= 700029 +#include +#endif +#include +#include + +#include +#include +#include +#include +#include +#include + +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include "e1000_api.h" +#include "if_lem.h" + +/********************************************************************* + * Set this to one to display debug statistics + *********************************************************************/ +int lem_display_debug_stats = 0; + +/********************************************************************* + * Legacy Em Driver version: + *********************************************************************/ +char lem_driver_version[] = "1.0.1"; + + +/********************************************************************* + * PCI Device ID Table + * + * Used by probe to select devices to load on + * Last field stores an index into e1000_strings + * Last entry must be all 0s + * + * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, String Index } + *********************************************************************/ + +static em_vendor_info_t lem_vendor_info_array[] = +{ + /* Intel(R) PRO/1000 Network Connection */ + { 0x8086, E1000_DEV_ID_82540EM, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82540EM_LOM, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82540EP, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82540EP_LOM, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82540EP_LP, PCI_ANY_ID, PCI_ANY_ID, 0}, + + { 0x8086, E1000_DEV_ID_82541EI, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82541ER, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82541ER_LOM, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82541EI_MOBILE, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82541GI, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82541GI_LF, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82541GI_MOBILE, PCI_ANY_ID, PCI_ANY_ID, 0}, + + { 0x8086, E1000_DEV_ID_82542, PCI_ANY_ID, PCI_ANY_ID, 0}, + + { 0x8086, E1000_DEV_ID_82543GC_FIBER, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82543GC_COPPER, PCI_ANY_ID, PCI_ANY_ID, 0}, + + { 0x8086, E1000_DEV_ID_82544EI_COPPER, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82544EI_FIBER, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82544GC_COPPER, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82544GC_LOM, PCI_ANY_ID, PCI_ANY_ID, 0}, + + { 0x8086, E1000_DEV_ID_82545EM_COPPER, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82545EM_FIBER, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82545GM_COPPER, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82545GM_FIBER, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82545GM_SERDES, PCI_ANY_ID, PCI_ANY_ID, 0}, + + { 0x8086, E1000_DEV_ID_82546EB_COPPER, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82546EB_FIBER, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82546EB_QUAD_COPPER, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82546GB_COPPER, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82546GB_FIBER, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82546GB_SERDES, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82546GB_PCIE, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82546GB_QUAD_COPPER, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3, + PCI_ANY_ID, PCI_ANY_ID, 0}, + + { 0x8086, E1000_DEV_ID_82547EI, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82547EI_MOBILE, PCI_ANY_ID, PCI_ANY_ID, 0}, + { 0x8086, E1000_DEV_ID_82547GI, PCI_ANY_ID, PCI_ANY_ID, 0}, + /* required last entry */ + { 0, 0, 0, 0, 0} +}; + +/********************************************************************* + * Table of branding strings for all supported NICs. + *********************************************************************/ + +static char *lem_strings[] = { + "Intel(R) PRO/1000 Legacy Network Connection" +}; + +/********************************************************************* + * Function prototypes + *********************************************************************/ +static int lem_probe(device_t); +static int lem_attach(device_t); +static int lem_detach(device_t); +static int lem_shutdown(device_t); +static int lem_suspend(device_t); +static int lem_resume(device_t); +static void lem_start(struct ifnet *); +static void lem_start_locked(struct ifnet *ifp); +static int lem_ioctl(struct ifnet *, u_long, caddr_t); +static void lem_init(void *); +static void lem_init_locked(struct adapter *); +static void lem_stop(void *); +static void lem_media_status(struct ifnet *, struct ifmediareq *); +static int lem_media_change(struct ifnet *); +static void lem_identify_hardware(struct adapter *); +static int lem_allocate_pci_resources(struct adapter *); +static int lem_allocate_irq(struct adapter *adapter); +static void lem_free_pci_resources(struct adapter *); +static void lem_local_timer(void *); +static int lem_hardware_init(struct adapter *); +static void lem_setup_interface(device_t, struct adapter *); +static void lem_setup_transmit_structures(struct adapter *); +static void lem_initialize_transmit_unit(struct adapter *); +static int lem_setup_receive_structures(struct adapter *); +static void lem_initialize_receive_unit(struct adapter *); +static void lem_enable_intr(struct adapter *); +static void lem_disable_intr(struct adapter *); +static void lem_free_transmit_structures(struct adapter *); +static void lem_free_receive_structures(struct adapter *); +static void lem_update_stats_counters(struct adapter *); +static void lem_txeof(struct adapter *); +static void lem_tx_purge(struct adapter *); +static int lem_allocate_receive_structures(struct adapter *); +static int lem_allocate_transmit_structures(struct adapter *); +static int lem_rxeof(struct adapter *, int); +#ifndef __NO_STRICT_ALIGNMENT +static int lem_fixup_rx(struct adapter *); +#endif +static void lem_receive_checksum(struct adapter *, struct e1000_rx_desc *, + struct mbuf *); +static void lem_transmit_checksum_setup(struct adapter *, struct mbuf *, + u32 *, u32 *); +static void lem_set_promisc(struct adapter *); +static void lem_disable_promisc(struct adapter *); +static void lem_set_multi(struct adapter *); +static void lem_print_hw_stats(struct adapter *); +static void lem_update_link_status(struct adapter *); +static int lem_get_buf(struct adapter *, int); +#if __FreeBSD_version >= 700029 +static void lem_register_vlan(void *, struct ifnet *, u16); +static void lem_unregister_vlan(void *, struct ifnet *, u16); +static void lem_setup_vlan_hw_support(struct adapter *); +#endif +static int lem_xmit(struct adapter *, struct mbuf **); +static void lem_smartspeed(struct adapter *); +static int lem_82547_fifo_workaround(struct adapter *, int); +static void lem_82547_update_fifo_head(struct adapter *, int); +static int lem_82547_tx_fifo_reset(struct adapter *); +static void lem_82547_move_tail(void *); +static int lem_dma_malloc(struct adapter *, bus_size_t, + struct em_dma_alloc *, int); +static void lem_dma_free(struct adapter *, struct em_dma_alloc *); +static void lem_print_debug_info(struct adapter *); +static void lem_print_nvm_info(struct adapter *); +static int lem_is_valid_ether_addr(u8 *); +static int lem_sysctl_stats(SYSCTL_HANDLER_ARGS); +static int lem_sysctl_debug_info(SYSCTL_HANDLER_ARGS); +static u32 lem_fill_descriptors (bus_addr_t address, u32 length, + PDESC_ARRAY desc_array); +static int lem_sysctl_int_delay(SYSCTL_HANDLER_ARGS); +static void lem_add_int_delay_sysctl(struct adapter *, const char *, + const char *, struct em_int_delay_info *, int, int); +/* Management and WOL Support */ +static void lem_init_manageability(struct adapter *); +static void lem_release_manageability(struct adapter *); +static void lem_get_hw_control(struct adapter *); +static void lem_release_hw_control(struct adapter *); +static void lem_get_wakeup(device_t); +static void lem_enable_wakeup(device_t); +static int lem_enable_phy_wakeup(struct adapter *); +static void lem_led_func(void *, int); + +#ifdef EM_LEGACY_IRQ +static void lem_intr(void *); +#else /* FAST IRQ */ +#if __FreeBSD_version < 700000 +static void lem_irq_fast(void *); +#else +static int lem_irq_fast(void *); +#endif +static void lem_handle_rxtx(void *context, int pending); +static void lem_handle_link(void *context, int pending); +static void lem_add_rx_process_limit(struct adapter *, const char *, + const char *, int *, int); +#endif /* ~EM_LEGACY_IRQ */ + +#ifdef DEVICE_POLLING +static poll_handler_t lem_poll; +#endif /* POLLING */ + +/********************************************************************* + * FreeBSD Device Interface Entry Points + *********************************************************************/ + +static device_method_t lem_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, lem_probe), + DEVMETHOD(device_attach, lem_attach), + DEVMETHOD(device_detach, lem_detach), + DEVMETHOD(device_shutdown, lem_shutdown), + DEVMETHOD(device_suspend, lem_suspend), + DEVMETHOD(device_resume, lem_resume), + {0, 0} +}; + +static driver_t lem_driver = { + "em", lem_methods, sizeof(struct adapter), +}; + +extern devclass_t em_devclass; +DRIVER_MODULE(lem, pci, lem_driver, em_devclass, 0, 0); +MODULE_DEPEND(lem, pci, 1, 1, 1); +MODULE_DEPEND(lem, ether, 1, 1, 1); + +/********************************************************************* + * Tunable default values. + *********************************************************************/ + +#define EM_TICKS_TO_USECS(ticks) ((1024 * (ticks) + 500) / 1000) +#define EM_USECS_TO_TICKS(usecs) ((1000 * (usecs) + 512) / 1024) + +static int lem_tx_int_delay_dflt = EM_TICKS_TO_USECS(EM_TIDV); +static int lem_rx_int_delay_dflt = EM_TICKS_TO_USECS(EM_RDTR); +static int lem_tx_abs_int_delay_dflt = EM_TICKS_TO_USECS(EM_TADV); +static int lem_rx_abs_int_delay_dflt = EM_TICKS_TO_USECS(EM_RADV); +static int lem_rxd = EM_DEFAULT_RXD; +static int lem_txd = EM_DEFAULT_TXD; +static int lem_smart_pwr_down = FALSE; + +/* Controls whether promiscuous also shows bad packets */ +static int lem_debug_sbp = FALSE; + +TUNABLE_INT("hw.em.tx_int_delay", &lem_tx_int_delay_dflt); +TUNABLE_INT("hw.em.rx_int_delay", &lem_rx_int_delay_dflt); +TUNABLE_INT("hw.em.tx_abs_int_delay", &lem_tx_abs_int_delay_dflt); +TUNABLE_INT("hw.em.rx_abs_int_delay", &lem_rx_abs_int_delay_dflt); +TUNABLE_INT("hw.em.rxd", &lem_rxd); +TUNABLE_INT("hw.em.txd", &lem_txd); +TUNABLE_INT("hw.em.smart_pwr_down", &lem_smart_pwr_down); +TUNABLE_INT("hw.em.sbp", &lem_debug_sbp); + +#ifndef EM_LEGACY_IRQ +/* How many packets rxeof tries to clean at a time */ +static int lem_rx_process_limit = 100; +TUNABLE_INT("hw.em.rx_process_limit", &lem_rx_process_limit); +#endif + +/* Flow control setting - default to FULL */ +static int lem_fc_setting = e1000_fc_full; +TUNABLE_INT("hw.em.fc_setting", &lem_fc_setting); + +/* +** Shadow VFTA table, this is needed because +** the real vlan filter table gets cleared during +** a soft reset and the driver needs to be able +** to repopulate it. +*/ +static u32 lem_shadow_vfta[EM_VFTA_SIZE]; + +/* Global used in WOL setup with multiport cards */ +static int global_quad_port_a = 0; + +/********************************************************************* + * Device identification routine + * + * em_probe determines if the driver should be loaded on + * adapter based on PCI vendor/device id of the adapter. + * + * return BUS_PROBE_DEFAULT on success, positive on failure + *********************************************************************/ + +static int +lem_probe(device_t dev) +{ + char adapter_name[60]; + u16 pci_vendor_id = 0; + u16 pci_device_id = 0; + u16 pci_subvendor_id = 0; + u16 pci_subdevice_id = 0; + em_vendor_info_t *ent; + + INIT_DEBUGOUT("em_probe: begin"); + + pci_vendor_id = pci_get_vendor(dev); + if (pci_vendor_id != EM_VENDOR_ID) + return (ENXIO); + + pci_device_id = pci_get_device(dev); + pci_subvendor_id = pci_get_subvendor(dev); + pci_subdevice_id = pci_get_subdevice(dev); + + ent = lem_vendor_info_array; + while (ent->vendor_id != 0) { + if ((pci_vendor_id == ent->vendor_id) && + (pci_device_id == ent->device_id) && + + ((pci_subvendor_id == ent->subvendor_id) || + (ent->subvendor_id == PCI_ANY_ID)) && + + ((pci_subdevice_id == ent->subdevice_id) || + (ent->subdevice_id == PCI_ANY_ID))) { + sprintf(adapter_name, "%s %s", + lem_strings[ent->index], + lem_driver_version); + device_set_desc_copy(dev, adapter_name); + return (BUS_PROBE_DEFAULT); + } + ent++; + } + + return (ENXIO); +} + +/********************************************************************* + * Device initialization routine + * + * The attach entry point is called when the driver is being loaded. + * This routine identifies the type of hardware, allocates all resources + * and initializes the hardware. + * + * return 0 on success, positive on failure + *********************************************************************/ + +static int +lem_attach(device_t dev) +{ + struct adapter *adapter; + int tsize, rsize; + int error = 0; + + INIT_DEBUGOUT("lem_attach: begin"); + + adapter = device_get_softc(dev); + adapter->dev = adapter->osdep.dev = dev; + EM_CORE_LOCK_INIT(adapter, device_get_nameunit(dev)); + EM_TX_LOCK_INIT(adapter, device_get_nameunit(dev)); + EM_RX_LOCK_INIT(adapter, device_get_nameunit(dev)); + + /* SYSCTL stuff */ + SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), + SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), + OID_AUTO, "debug", CTLTYPE_INT|CTLFLAG_RW, adapter, 0, + lem_sysctl_debug_info, "I", "Debug Information"); + + SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev), + SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), + OID_AUTO, "stats", CTLTYPE_INT|CTLFLAG_RW, adapter, 0, + lem_sysctl_stats, "I", "Statistics"); + + callout_init_mtx(&adapter->timer, &adapter->core_mtx, 0); + callout_init_mtx(&adapter->tx_fifo_timer, &adapter->tx_mtx, 0); + + /* Determine hardware and mac info */ + lem_identify_hardware(adapter); + + /* Setup PCI resources */ + if (lem_allocate_pci_resources(adapter)) { + device_printf(dev, "Allocation of PCI resources failed\n"); + error = ENXIO; + goto err_pci; + } + + /* Do Shared Code initialization */ + if (e1000_setup_init_funcs(&adapter->hw, TRUE)) { + device_printf(dev, "Setup of Shared code failed\n"); + error = ENXIO; + goto err_pci; + } + + e1000_get_bus_info(&adapter->hw); + + /* Set up some sysctls for the tunable interrupt delays */ + lem_add_int_delay_sysctl(adapter, "rx_int_delay", + "receive interrupt delay in usecs", &adapter->rx_int_delay, + E1000_REGISTER(&adapter->hw, E1000_RDTR), lem_rx_int_delay_dflt); + lem_add_int_delay_sysctl(adapter, "tx_int_delay", + "transmit interrupt delay in usecs", &adapter->tx_int_delay, + E1000_REGISTER(&adapter->hw, E1000_TIDV), lem_tx_int_delay_dflt); + if (adapter->hw.mac.type >= e1000_82540) { + lem_add_int_delay_sysctl(adapter, "rx_abs_int_delay", + "receive interrupt delay limit in usecs", + &adapter->rx_abs_int_delay, + E1000_REGISTER(&adapter->hw, E1000_RADV), + lem_rx_abs_int_delay_dflt); + lem_add_int_delay_sysctl(adapter, "tx_abs_int_delay", + "transmit interrupt delay limit in usecs", + &adapter->tx_abs_int_delay, + E1000_REGISTER(&adapter->hw, E1000_TADV), + lem_tx_abs_int_delay_dflt); + } + +#ifndef EM_LEGACY_IRQ + /* Sysctls for limiting the amount of work done in the taskqueue */ + lem_add_rx_process_limit(adapter, "rx_processing_limit", + "max number of rx packets to process", &adapter->rx_process_limit, + lem_rx_process_limit); +#endif + + /* + * Validate number of transmit and receive descriptors. It + * must not exceed hardware maximum, and must be multiple + * of E1000_DBA_ALIGN. + */ + if (((lem_txd * sizeof(struct e1000_tx_desc)) % EM_DBA_ALIGN) != 0 || + (adapter->hw.mac.type >= e1000_82544 && lem_txd > EM_MAX_TXD) || + (adapter->hw.mac.type < e1000_82544 && lem_txd > EM_MAX_TXD_82543) || + (lem_txd < EM_MIN_TXD)) { + device_printf(dev, "Using %d TX descriptors instead of %d!\n", + EM_DEFAULT_TXD, lem_txd); + adapter->num_tx_desc = EM_DEFAULT_TXD; + } else + adapter->num_tx_desc = lem_txd; + if (((lem_rxd * sizeof(struct e1000_rx_desc)) % EM_DBA_ALIGN) != 0 || + (adapter->hw.mac.type >= e1000_82544 && lem_rxd > EM_MAX_RXD) || + (adapter->hw.mac.type < e1000_82544 && lem_rxd > EM_MAX_RXD_82543) || + (lem_rxd < EM_MIN_RXD)) { + device_printf(dev, "Using %d RX descriptors instead of %d!\n", + EM_DEFAULT_RXD, lem_rxd); + adapter->num_rx_desc = EM_DEFAULT_RXD; + } else + adapter->num_rx_desc = lem_rxd; + + adapter->hw.mac.autoneg = DO_AUTO_NEG; + adapter->hw.phy.autoneg_wait_to_complete = FALSE; + adapter->hw.phy.autoneg_advertised = AUTONEG_ADV_DEFAULT; + adapter->rx_buffer_len = 2048; + + e1000_init_script_state_82541(&adapter->hw, TRUE); + e1000_set_tbi_compatibility_82543(&adapter->hw, TRUE); + + /* Copper options */ + if (adapter->hw.phy.media_type == e1000_media_type_copper) { + adapter->hw.phy.mdix = AUTO_ALL_MODES; + adapter->hw.phy.disable_polarity_correction = FALSE; + adapter->hw.phy.ms_type = EM_MASTER_SLAVE; + } + + /* + * Set the frame limits assuming + * standard ethernet sized frames. + */ + adapter->max_frame_size = ETHERMTU + ETHER_HDR_LEN + ETHERNET_FCS_SIZE; + adapter->min_frame_size = ETH_ZLEN + ETHERNET_FCS_SIZE; + + /* + * This controls when hardware reports transmit completion + * status. + */ + adapter->hw.mac.report_tx_early = 1; + + tsize = roundup2(adapter->num_tx_desc * sizeof(struct e1000_tx_desc), + EM_DBA_ALIGN); + + /* Allocate Transmit Descriptor ring */ + if (lem_dma_malloc(adapter, tsize, &adapter->txdma, BUS_DMA_NOWAIT)) { + device_printf(dev, "Unable to allocate tx_desc memory\n"); + error = ENOMEM; + goto err_tx_desc; + } + adapter->tx_desc_base = + (struct e1000_tx_desc *)adapter->txdma.dma_vaddr; + + rsize = roundup2(adapter->num_rx_desc * sizeof(struct e1000_rx_desc), + EM_DBA_ALIGN); + + /* Allocate Receive Descriptor ring */ + if (lem_dma_malloc(adapter, rsize, &adapter->rxdma, BUS_DMA_NOWAIT)) { + device_printf(dev, "Unable to allocate rx_desc memory\n"); + error = ENOMEM; + goto err_rx_desc; + } + adapter->rx_desc_base = + (struct e1000_rx_desc *)adapter->rxdma.dma_vaddr; + + /* + ** Start from a known state, this is + ** important in reading the nvm and + ** mac from that. + */ + e1000_reset_hw(&adapter->hw); + + /* Make sure we have a good EEPROM before we read from it */ + if (e1000_validate_nvm_checksum(&adapter->hw) < 0) { + /* + ** 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. + */ + if (e1000_validate_nvm_checksum(&adapter->hw) < 0) { + device_printf(dev, + "The EEPROM Checksum Is Not Valid\n"); + error = EIO; + goto err_hw_init; + } + } + + /* Copy the permanent MAC address out of the EEPROM */ + if (e1000_read_mac_addr(&adapter->hw) < 0) { + device_printf(dev, "EEPROM read error while reading MAC" + " address\n"); + error = EIO; + goto err_hw_init; + } + + if (!lem_is_valid_ether_addr(adapter->hw.mac.addr)) { + device_printf(dev, "Invalid MAC address\n"); + error = EIO; + goto err_hw_init; + } + + /* Initialize the hardware */ + if (lem_hardware_init(adapter)) { + device_printf(dev, "Unable to initialize the hardware\n"); + error = EIO; + goto err_hw_init; + } + + /* Allocate transmit descriptors and buffers */ + if (lem_allocate_transmit_structures(adapter)) { + device_printf(dev, "Could not setup transmit structures\n"); + error = ENOMEM; + goto err_tx_struct; + } + + /* Allocate receive descriptors and buffers */ + if (lem_allocate_receive_structures(adapter)) { + device_printf(dev, "Could not setup receive structures\n"); + error = ENOMEM; + goto err_rx_struct; + } + + /* + ** Do interrupt configuration + */ + error = lem_allocate_irq(adapter); + if (error) + goto err_rx_struct; + + /* + * Get Wake-on-Lan and Management info for later use + */ + lem_get_wakeup(dev); + + /* Setup OS specific network interface */ + lem_setup_interface(dev, adapter); + + /* Initialize statistics */ + lem_update_stats_counters(adapter); + + adapter->hw.mac.get_link_status = 1; + lem_update_link_status(adapter); + + /* Indicate SOL/IDER usage */ + if (e1000_check_reset_block(&adapter->hw)) + device_printf(dev, + "PHY reset is blocked due to SOL/IDER session.\n"); + + /* Do we need workaround for 82544 PCI-X adapter? */ + if (adapter->hw.bus.type == e1000_bus_type_pcix && + adapter->hw.mac.type == e1000_82544) + adapter->pcix_82544 = TRUE; + else + adapter->pcix_82544 = FALSE; + +#if __FreeBSD_version >= 700029 + /* Register for VLAN events */ + adapter->vlan_attach = EVENTHANDLER_REGISTER(vlan_config, + lem_register_vlan, adapter, EVENTHANDLER_PRI_FIRST); + adapter->vlan_detach = EVENTHANDLER_REGISTER(vlan_unconfig, + lem_unregister_vlan, adapter, EVENTHANDLER_PRI_FIRST); +#endif + + /* Non-AMT based hardware can now take control from firmware */ + if (adapter->has_manage && !adapter->has_amt) + lem_get_hw_control(adapter); + + /* Tell the stack that the interface is not active */ + adapter->ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); + + adapter->led_dev = led_create(lem_led_func, adapter, + device_get_nameunit(dev)); + + INIT_DEBUGOUT("lem_attach: end"); + + return (0); + +err_rx_struct: + lem_free_transmit_structures(adapter); +err_tx_struct: +err_hw_init: + lem_release_hw_control(adapter); + lem_dma_free(adapter, &adapter->rxdma); +err_rx_desc: + lem_dma_free(adapter, &adapter->txdma); +err_tx_desc: +err_pci: + lem_free_pci_resources(adapter); + EM_TX_LOCK_DESTROY(adapter); + EM_RX_LOCK_DESTROY(adapter); + EM_CORE_LOCK_DESTROY(adapter); + + return (error); +} + +/********************************************************************* + * Device removal routine + * + * The detach entry point is called when the driver is being removed. + * This routine stops the adapter and deallocates all the resources + * that were allocated for driver operation. + * + * return 0 on success, positive on failure + *********************************************************************/ + +static int +lem_detach(device_t dev) +{ + struct adapter *adapter = device_get_softc(dev); + struct ifnet *ifp = adapter->ifp; + + INIT_DEBUGOUT("em_detach: begin"); + + /* Make sure VLANS are not using driver */ +#if __FreeBSD_version >= 700000 + if (adapter->ifp->if_vlantrunk != NULL) { +#else + if (adapter->ifp->if_nvlans != 0) { +#endif + device_printf(dev,"Vlan in use, detach first\n"); + return (EBUSY); + } + +#ifdef DEVICE_POLLING + if (ifp->if_capenable & IFCAP_POLLING) + ether_poll_deregister(ifp); +#endif + + if (adapter->led_dev != NULL) + led_destroy(adapter->led_dev); + + EM_CORE_LOCK(adapter); + EM_TX_LOCK(adapter); + adapter->in_detach = 1; + lem_stop(adapter); + e1000_phy_hw_reset(&adapter->hw); + + lem_release_manageability(adapter); + + EM_TX_UNLOCK(adapter); + EM_CORE_UNLOCK(adapter); + +#if __FreeBSD_version >= 700029 + /* Unregister VLAN events */ + if (adapter->vlan_attach != NULL) + EVENTHANDLER_DEREGISTER(vlan_config, adapter->vlan_attach); + if (adapter->vlan_detach != NULL) + EVENTHANDLER_DEREGISTER(vlan_unconfig, adapter->vlan_detach); +#endif + + ether_ifdetach(adapter->ifp); + callout_drain(&adapter->timer); + callout_drain(&adapter->tx_fifo_timer); + + lem_free_pci_resources(adapter); + bus_generic_detach(dev); + if_free(ifp); + + lem_free_transmit_structures(adapter); + lem_free_receive_structures(adapter); + + /* Free Transmit Descriptor ring */ + if (adapter->tx_desc_base) { + lem_dma_free(adapter, &adapter->txdma); + adapter->tx_desc_base = NULL; + } + + /* Free Receive Descriptor ring */ + if (adapter->rx_desc_base) { + lem_dma_free(adapter, &adapter->rxdma); + adapter->rx_desc_base = NULL; + } + + lem_release_hw_control(adapter); + EM_TX_LOCK_DESTROY(adapter); + EM_RX_LOCK_DESTROY(adapter); + EM_CORE_LOCK_DESTROY(adapter); + + return (0); +} + +/********************************************************************* + * + * Shutdown entry point + * + **********************************************************************/ + +static int +lem_shutdown(device_t dev) +{ + return lem_suspend(dev); +} + +/* + * Suspend/resume device methods. + */ +static int +lem_suspend(device_t dev) +{ + struct adapter *adapter = device_get_softc(dev); + + EM_CORE_LOCK(adapter); + + lem_release_manageability(adapter); + lem_release_hw_control(adapter); + lem_enable_wakeup(dev); + + EM_CORE_UNLOCK(adapter); + + return bus_generic_suspend(dev); +} + +static int +lem_resume(device_t dev) +{ + struct adapter *adapter = device_get_softc(dev); + struct ifnet *ifp = adapter->ifp; + + EM_CORE_LOCK(adapter); + lem_init_locked(adapter); + lem_init_manageability(adapter); + EM_CORE_UNLOCK(adapter); + lem_start(ifp); + + return bus_generic_resume(dev); +} + + +static void +lem_start_locked(struct ifnet *ifp) +{ + struct adapter *adapter = ifp->if_softc; + struct mbuf *m_head; + + EM_TX_LOCK_ASSERT(adapter); + + if ((ifp->if_drv_flags & (IFF_DRV_RUNNING|IFF_DRV_OACTIVE)) != + IFF_DRV_RUNNING) + return; + if (!adapter->link_active) + return; + + while (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) { + + IFQ_DRV_DEQUEUE(&ifp->if_snd, m_head); + if (m_head == NULL) + break; + /* + * Encapsulation can modify our pointer, and or make it + * NULL on failure. In that event, we can't requeue. + */ + if (lem_xmit(adapter, &m_head)) { + if (m_head == NULL) + break; + ifp->if_drv_flags |= IFF_DRV_OACTIVE; + IFQ_DRV_PREPEND(&ifp->if_snd, m_head); + break; + } + + /* Send a copy of the frame to the BPF listener */ + ETHER_BPF_MTAP(ifp, m_head); + + /* Set timeout in case hardware has problems transmitting. */ + adapter->watchdog_check = TRUE; + adapter->watchdog_time = ticks; + } + if (adapter->num_tx_desc_avail <= EM_TX_OP_THRESHOLD) + ifp->if_drv_flags |= IFF_DRV_OACTIVE; + + return; +} + +static void +lem_start(struct ifnet *ifp) +{ + struct adapter *adapter = ifp->if_softc; + + EM_TX_LOCK(adapter); + if (ifp->if_drv_flags & IFF_DRV_RUNNING) + lem_start_locked(ifp); + EM_TX_UNLOCK(adapter); +} + +/********************************************************************* + * Ioctl entry point + * + * em_ioctl is called when the user wants to configure the + * interface. + * + * return 0 on success, positive on failure + **********************************************************************/ + +static int +lem_ioctl(struct ifnet *ifp, u_long command, caddr_t data) +{ + struct adapter *adapter = ifp->if_softc; + struct ifreq *ifr = (struct ifreq *)data; +#ifdef INET + struct ifaddr *ifa = (struct ifaddr *)data; +#endif + int error = 0; + + if (adapter->in_detach) + return (error); + + switch (command) { + case SIOCSIFADDR: +#ifdef INET + if (ifa->ifa_addr->sa_family == AF_INET) { + /* + * XXX + * Since resetting hardware takes a very long time + * and results in link renegotiation we only + * initialize the hardware only when it is absolutely + * required. + */ + ifp->if_flags |= IFF_UP; + if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { + EM_CORE_LOCK(adapter); + lem_init_locked(adapter); + EM_CORE_UNLOCK(adapter); + } + arp_ifinit(ifp, ifa); + } else +#endif + error = ether_ioctl(ifp, command, data); + break; + case SIOCSIFMTU: + { + int max_frame_size; + + IOCTL_DEBUGOUT("ioctl rcv'd: SIOCSIFMTU (Set Interface MTU)"); + + EM_CORE_LOCK(adapter); + switch (adapter->hw.mac.type) { + case e1000_82542: + max_frame_size = ETHER_MAX_LEN; + break; + default: + max_frame_size = MAX_JUMBO_FRAME_SIZE; + } + if (ifr->ifr_mtu > max_frame_size - ETHER_HDR_LEN - + ETHER_CRC_LEN) { + EM_CORE_UNLOCK(adapter); + error = EINVAL; + break; + } + + ifp->if_mtu = ifr->ifr_mtu; + adapter->max_frame_size = + ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; + lem_init_locked(adapter); + EM_CORE_UNLOCK(adapter); + break; + } + case SIOCSIFFLAGS: + IOCTL_DEBUGOUT("ioctl rcv'd:\ + SIOCSIFFLAGS (Set Interface Flags)"); + EM_CORE_LOCK(adapter); + if (ifp->if_flags & IFF_UP) { + if ((ifp->if_drv_flags & IFF_DRV_RUNNING)) { + if ((ifp->if_flags ^ adapter->if_flags) & + (IFF_PROMISC | IFF_ALLMULTI)) { + lem_disable_promisc(adapter); + lem_set_promisc(adapter); + } + } else + lem_init_locked(adapter); + } else + if (ifp->if_drv_flags & IFF_DRV_RUNNING) { + EM_TX_LOCK(adapter); + lem_stop(adapter); + EM_TX_UNLOCK(adapter); + } + adapter->if_flags = ifp->if_flags; + EM_CORE_UNLOCK(adapter); + break; + case SIOCADDMULTI: + case SIOCDELMULTI: + IOCTL_DEBUGOUT("ioctl rcv'd: SIOC(ADD|DEL)MULTI"); + if (ifp->if_drv_flags & IFF_DRV_RUNNING) { + EM_CORE_LOCK(adapter); + lem_disable_intr(adapter); + lem_set_multi(adapter); + if (adapter->hw.mac.type == e1000_82542 && + adapter->hw.revision_id == E1000_REVISION_2) { + lem_initialize_receive_unit(adapter); + } +#ifdef DEVICE_POLLING + if (!(ifp->if_capenable & IFCAP_POLLING)) +#endif + lem_enable_intr(adapter); + EM_CORE_UNLOCK(adapter); + } + break; + case SIOCSIFMEDIA: + /* Check SOL/IDER usage */ + EM_CORE_LOCK(adapter); + if (e1000_check_reset_block(&adapter->hw)) { + EM_CORE_UNLOCK(adapter); + device_printf(adapter->dev, "Media change is" + " blocked due to SOL/IDER session.\n"); + break; + } + EM_CORE_UNLOCK(adapter); + case SIOCGIFMEDIA: + IOCTL_DEBUGOUT("ioctl rcv'd: \ + SIOCxIFMEDIA (Get/Set Interface Media)"); + error = ifmedia_ioctl(ifp, ifr, &adapter->media, command); + break; *** DIFF OUTPUT TRUNCATED AT 1000 LINES ***