@@ -2249,6 +2249,11 @@ F: tests/qtest/fuzz-e1000e-test.c
F: tests/qtest/e1000e-test.c
F: tests/qtest/libqos/e1000e.*
+igb
+M: Akihiko Odaki <akihiko.odaki@daynix.com>
+S: Maintained
+F: hw/net/igb*
+
eepro100
M: Stefan Weil <sw@weilnetz.de>
S: Maintained
@@ -44,6 +44,11 @@ config E1000E_PCI_EXPRESS
default y if PCI_DEVICES
depends on PCI_EXPRESS && MSI_NONBROKEN
+config IGB_PCI_EXPRESS
+ bool
+ default y if PCI_DEVICES
+ depends on PCI_EXPRESS && MSI_NONBROKEN
+
config RTL8139_PCI
bool
default y if PCI_DEVICES
new file mode 100644
@@ -0,0 +1,623 @@
+/*
+ * QEMU Intel 82576 SR/IOV Ethernet Controller Emulation
+ *
+ * Datasheet:
+ * https://www.intel.com/content/dam/www/public/us/en/documents/datasheets/82576eg-gbe-datasheet.pdf
+ *
+ * Copyright (c) 2020-2023 Red Hat, Inc.
+ * Copyright (c) 2015 Ravello Systems LTD (http://ravellosystems.com)
+ * Developed by Daynix Computing LTD (http://www.daynix.com)
+ *
+ * Authors:
+ * Akihiko Odaki <akihiko.odaki@daynix.com>
+ * Gal Hammmer <gal.hammer@sap.com>
+ * Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
+ * Dmitry Fleytman <dmitry@daynix.com>
+ * Leonid Bloch <leonid@daynix.com>
+ * Yan Vugenfirer <yan@daynix.com>
+ *
+ * Based on work done by:
+ * Nir Peleg, Tutis Systems Ltd. for Qumranet Inc.
+ * Copyright (c) 2008 Qumranet
+ * Based on work done by:
+ * Copyright (c) 2007 Dan Aloni
+ * Copyright (c) 2004 Antony T Curtis
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/units.h"
+#include "net/eth.h"
+#include "net/net.h"
+#include "net/tap.h"
+#include "qemu/module.h"
+#include "qemu/range.h"
+#include "sysemu/sysemu.h"
+#include "hw/hw.h"
+#include "hw/net/mii.h"
+#include "hw/pci/pci.h"
+#include "hw/pci/pcie.h"
+#include "hw/pci/pcie_sriov.h"
+#include "hw/pci/msi.h"
+#include "hw/pci/msix.h"
+#include "hw/qdev-properties.h"
+#include "migration/vmstate.h"
+
+#include "igb_common.h"
+#include "igb_core.h"
+
+#include "trace.h"
+#include "qapi/error.h"
+#include "qom/object.h"
+
+#define TYPE_IGB "igb"
+OBJECT_DECLARE_SIMPLE_TYPE(IGBState, IGB)
+
+struct IGBState {
+ PCIDevice parent_obj;
+ NICState *nic;
+ NICConf conf;
+
+ MemoryRegion mmio;
+ MemoryRegion flash;
+ MemoryRegion io;
+ MemoryRegion msix;
+
+ uint32_t ioaddr;
+
+ IGBCore core;
+};
+
+#define IGB_CAP_SRIOV_OFFSET (0x160)
+#define IGB_VF_OFFSET (0x80)
+#define IGB_VF_STRIDE (2)
+
+#define E1000E_MMIO_IDX 0
+#define E1000E_FLASH_IDX 1
+#define E1000E_IO_IDX 2
+#define E1000E_MSIX_IDX 3
+
+#define E1000E_MMIO_SIZE (128 * KiB)
+#define E1000E_FLASH_SIZE (128 * KiB)
+#define E1000E_IO_SIZE (32)
+#define E1000E_MSIX_SIZE (16 * KiB)
+
+static void igb_write_config(PCIDevice *dev, uint32_t addr,
+ uint32_t val, int len)
+{
+ IGBState *s = IGB(dev);
+
+ trace_igb_write_config(addr, val, len);
+ pci_default_write_config(dev, addr, val, len);
+
+ if (range_covers_byte(addr, len, PCI_COMMAND) &&
+ (dev->config[PCI_COMMAND] & PCI_COMMAND_MASTER)) {
+ igb_start_recv(&s->core);
+ }
+}
+
+uint64_t
+igb_mmio_read(void *opaque, hwaddr addr, unsigned size)
+{
+ IGBState *s = opaque;
+ return igb_core_read(&s->core, addr, size);
+}
+
+void
+igb_mmio_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
+{
+ IGBState *s = opaque;
+ igb_core_write(&s->core, addr, val, size);
+}
+
+static bool
+igb_io_get_reg_index(IGBState *s, uint32_t *idx)
+{
+ if (s->ioaddr < 0x1FFFF) {
+ *idx = s->ioaddr;
+ return true;
+ }
+
+ if (s->ioaddr < 0x7FFFF) {
+ trace_e1000e_wrn_io_addr_undefined(s->ioaddr);
+ return false;
+ }
+
+ if (s->ioaddr < 0xFFFFF) {
+ trace_e1000e_wrn_io_addr_flash(s->ioaddr);
+ return false;
+ }
+
+ trace_e1000e_wrn_io_addr_unknown(s->ioaddr);
+ return false;
+}
+
+static uint64_t
+igb_io_read(void *opaque, hwaddr addr, unsigned size)
+{
+ IGBState *s = opaque;
+ uint32_t idx = 0;
+ uint64_t val;
+
+ switch (addr) {
+ case E1000_IOADDR:
+ trace_e1000e_io_read_addr(s->ioaddr);
+ return s->ioaddr;
+ case E1000_IODATA:
+ if (igb_io_get_reg_index(s, &idx)) {
+ val = igb_core_read(&s->core, idx, sizeof(val));
+ trace_e1000e_io_read_data(idx, val);
+ return val;
+ }
+ return 0;
+ default:
+ trace_e1000e_wrn_io_read_unknown(addr);
+ return 0;
+ }
+}
+
+static void
+igb_io_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
+{
+ IGBState *s = opaque;
+ uint32_t idx = 0;
+
+ switch (addr) {
+ case E1000_IOADDR:
+ trace_e1000e_io_write_addr(val);
+ s->ioaddr = (uint32_t) val;
+ return;
+ case E1000_IODATA:
+ if (igb_io_get_reg_index(s, &idx)) {
+ trace_e1000e_io_write_data(idx, val);
+ igb_core_write(&s->core, idx, val, sizeof(val));
+ }
+ return;
+ default:
+ trace_e1000e_wrn_io_write_unknown(addr);
+ return;
+ }
+}
+
+static const MemoryRegionOps mmio_ops = {
+ .read = igb_mmio_read,
+ .write = igb_mmio_write,
+ .endianness = DEVICE_LITTLE_ENDIAN,
+ .impl = {
+ .min_access_size = 4,
+ .max_access_size = 4,
+ },
+};
+
+static const MemoryRegionOps io_ops = {
+ .read = igb_io_read,
+ .write = igb_io_write,
+ .endianness = DEVICE_LITTLE_ENDIAN,
+ .impl = {
+ .min_access_size = 4,
+ .max_access_size = 4,
+ },
+};
+
+static bool
+igb_nc_can_receive(NetClientState *nc)
+{
+ IGBState *s = qemu_get_nic_opaque(nc);
+ return igb_can_receive(&s->core);
+}
+
+static ssize_t
+igb_nc_receive_iov(NetClientState *nc, const struct iovec *iov, int iovcnt)
+{
+ IGBState *s = qemu_get_nic_opaque(nc);
+ return igb_receive_iov(&s->core, iov, iovcnt);
+}
+
+static ssize_t
+igb_nc_receive(NetClientState *nc, const uint8_t *buf, size_t size)
+{
+ IGBState *s = qemu_get_nic_opaque(nc);
+ return igb_receive(&s->core, buf, size);
+}
+
+static void
+igb_set_link_status(NetClientState *nc)
+{
+ IGBState *s = qemu_get_nic_opaque(nc);
+ igb_core_set_link_status(&s->core);
+}
+
+static NetClientInfo net_igb_info = {
+ .type = NET_CLIENT_DRIVER_NIC,
+ .size = sizeof(NICState),
+ .can_receive = igb_nc_can_receive,
+ .receive = igb_nc_receive,
+ .receive_iov = igb_nc_receive_iov,
+ .link_status_changed = igb_set_link_status,
+};
+
+/*
+ * EEPROM (NVM) contents documented in section 6.1, table 6-1:
+ * and in 6.10 Software accessed words.
+ */
+static const uint16_t igb_eeprom_template[] = {
+ /* Address |Compat.|OEM sp.| ImRev | OEM sp. */
+ 0x0000, 0x0000, 0x0000, 0x0d34, 0xffff, 0x2010, 0xffff, 0xffff,
+ /* PBA |ICtrl1 | SSID | SVID | DevID |-------|ICtrl2 */
+ 0x1040, 0xffff, 0x002b, 0x0000, 0x8086, 0x10c9, 0x0000, 0x70c3,
+ /* SwPin0| DevID | EESZ |-------|ICtrl3 |PCI-tc | MSIX | APtr */
+ 0x0004, 0x10c9, 0x5c00, 0x0000, 0x2880, 0x0014, 0x4a40, 0x0060,
+ /* PCIe Init. Conf 1,2,3 |PCICtrl| LD1,3 |DDevID |DevRev | LD0,2 */
+ 0x6cfb, 0xc7b0, 0x0abe, 0x0403, 0x0783, 0x10a6, 0x0001, 0x0602,
+ /* SwPin1| FunC |LAN-PWR|ManHwC |ICtrl3 | IOVct |VDevID |-------*/
+ 0x0004, 0x0020, 0x0000, 0x004a, 0x2080, 0x00f5, 0x10ca, 0x0000,
+ /*---------------| LD1,3 | LD0,2 | ROEnd | ROSta | Wdog | VPD */
+ 0x0000, 0x0000, 0x4784, 0x4602, 0x0000, 0x0000, 0x1000, 0xffff,
+ /* PCSet0| Ccfg0 |PXEver |IBAcap |PCSet1 | Ccfg1 |iSCVer | ?? */
+ 0x0100, 0x4000, 0x131f, 0x4013, 0x0100, 0x4000, 0xffff, 0xffff,
+ /* PCSet2| Ccfg2 |PCSet3 | Ccfg3 | ?? |AltMacP| ?? |CHKSUM */
+ 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0x00e0, 0xffff, 0x0000,
+ /* NC-SIC */
+ 0x0003,
+};
+
+static void igb_core_realize(IGBState *s)
+{
+ s->core.owner = &s->parent_obj;
+ s->core.owner_nic = s->nic;
+}
+
+static void
+igb_init_msix(IGBState *s)
+{
+ int i, res;
+
+ res = msix_init(PCI_DEVICE(s), IGB_MSIX_VEC_NUM,
+ &s->msix,
+ E1000E_MSIX_IDX, 0,
+ &s->msix,
+ E1000E_MSIX_IDX, 0x2000,
+ 0x70, NULL);
+
+ if (res < 0) {
+ trace_e1000e_msix_init_fail(res);
+ } else {
+ for (i = 0; i < IGB_MSIX_VEC_NUM; i++) {
+ msix_vector_use(PCI_DEVICE(s), i);
+ }
+ }
+}
+
+static void
+igb_cleanup_msix(IGBState *s)
+{
+ msix_unuse_all_vectors(PCI_DEVICE(s));
+ msix_uninit(PCI_DEVICE(s), &s->msix, &s->msix);
+}
+
+static void
+igb_init_net_peer(IGBState *s, PCIDevice *pci_dev, uint8_t *macaddr)
+{
+ DeviceState *dev = DEVICE(pci_dev);
+ NetClientState *nc;
+ int i;
+
+ s->nic = qemu_new_nic(&net_igb_info, &s->conf,
+ object_get_typename(OBJECT(s)), dev->id, s);
+
+ s->core.max_queue_num = s->conf.peers.queues ? s->conf.peers.queues - 1 : 0;
+
+ trace_e1000e_mac_set_permanent(MAC_ARG(macaddr));
+ memcpy(s->core.permanent_mac, macaddr, sizeof(s->core.permanent_mac));
+
+ qemu_format_nic_info_str(qemu_get_queue(s->nic), macaddr);
+
+ /* Setup virtio headers */
+ for (i = 0; i < s->conf.peers.queues; i++) {
+ nc = qemu_get_subqueue(s->nic, i);
+ if (!nc->peer || !qemu_has_vnet_hdr(nc->peer)) {
+ trace_e1000e_cfg_support_virtio(false);
+ return;
+ }
+ }
+
+ trace_e1000e_cfg_support_virtio(true);
+ s->core.has_vnet = true;
+
+ for (i = 0; i < s->conf.peers.queues; i++) {
+ nc = qemu_get_subqueue(s->nic, i);
+ qemu_set_vnet_hdr_len(nc->peer, sizeof(struct virtio_net_hdr));
+ qemu_using_vnet_hdr(nc->peer, true);
+ }
+}
+
+static int
+igb_add_pm_capability(PCIDevice *pdev, uint8_t offset, uint16_t pmc)
+{
+ Error *local_err = NULL;
+ int ret = pci_add_capability(pdev, PCI_CAP_ID_PM, offset,
+ PCI_PM_SIZEOF, &local_err);
+
+ if (local_err) {
+ error_report_err(local_err);
+ return ret;
+ }
+
+ pci_set_word(pdev->config + offset + PCI_PM_PMC,
+ PCI_PM_CAP_VER_1_1 |
+ pmc);
+
+ pci_set_word(pdev->wmask + offset + PCI_PM_CTRL,
+ PCI_PM_CTRL_STATE_MASK |
+ PCI_PM_CTRL_PME_ENABLE |
+ PCI_PM_CTRL_DATA_SEL_MASK);
+
+ pci_set_word(pdev->w1cmask + offset + PCI_PM_CTRL,
+ PCI_PM_CTRL_PME_STATUS);
+
+ return ret;
+}
+
+static void igb_pci_realize(PCIDevice *pci_dev, Error **errp)
+{
+ IGBState *s = IGB(pci_dev);
+ uint8_t *macaddr;
+ int ret;
+
+ trace_e1000e_cb_pci_realize();
+
+ pci_dev->config_write = igb_write_config;
+
+ pci_dev->config[PCI_CACHE_LINE_SIZE] = 0x10;
+ pci_dev->config[PCI_INTERRUPT_PIN] = 1;
+
+ /* Define IO/MMIO regions */
+ memory_region_init_io(&s->mmio, OBJECT(s), &mmio_ops, s,
+ "igb-mmio", E1000E_MMIO_SIZE);
+ pci_register_bar(pci_dev, E1000E_MMIO_IDX,
+ PCI_BASE_ADDRESS_SPACE_MEMORY, &s->mmio);
+
+ /*
+ * We provide a dummy implementation for the flash BAR
+ * for drivers that may theoretically probe for its presence.
+ */
+ memory_region_init(&s->flash, OBJECT(s),
+ "igb-flash", E1000E_FLASH_SIZE);
+ pci_register_bar(pci_dev, E1000E_FLASH_IDX,
+ PCI_BASE_ADDRESS_SPACE_MEMORY, &s->flash);
+
+ memory_region_init_io(&s->io, OBJECT(s), &io_ops, s,
+ "igb-io", E1000E_IO_SIZE);
+ pci_register_bar(pci_dev, E1000E_IO_IDX,
+ PCI_BASE_ADDRESS_SPACE_IO, &s->io);
+
+ memory_region_init(&s->msix, OBJECT(s), "igb-msix",
+ E1000E_MSIX_SIZE);
+ pci_register_bar(pci_dev, E1000E_MSIX_IDX,
+ PCI_BASE_ADDRESS_MEM_TYPE_64, &s->msix);
+
+ /* Create networking backend */
+ qemu_macaddr_default_if_unset(&s->conf.macaddr);
+ macaddr = s->conf.macaddr.a;
+
+ /* Add PCI capabilities in reverse order */
+ assert(pcie_endpoint_cap_init(pci_dev, 0xa0) > 0);
+
+ igb_init_msix(s);
+
+ ret = msi_init(pci_dev, 0x50, 1, true, true, NULL);
+ if (ret) {
+ trace_e1000e_msi_init_fail(ret);
+ }
+
+ if (igb_add_pm_capability(pci_dev, 0x40, PCI_PM_CAP_DSI) < 0) {
+ hw_error("Failed to initialize PM capability");
+ }
+
+ /* PCIe extended capabilities (in order) */
+ if (pcie_aer_init(pci_dev, 1, 0x100, 0x40, errp) < 0) {
+ hw_error("Failed to initialize AER capability");
+ }
+
+ pcie_ari_init(pci_dev, 0x150, 1);
+
+ pcie_sriov_pf_init(pci_dev, IGB_CAP_SRIOV_OFFSET, "igbvf",
+ IGB_82576_VF_DEV_ID, IGB_MAX_VF_FUNCTIONS, IGB_MAX_VF_FUNCTIONS,
+ IGB_VF_OFFSET, IGB_VF_STRIDE);
+
+ pcie_sriov_pf_init_vf_bar(pci_dev, 0,
+ PCI_BASE_ADDRESS_MEM_TYPE_64 | PCI_BASE_ADDRESS_MEM_PREFETCH,
+ 16 * KiB);
+ pcie_sriov_pf_init_vf_bar(pci_dev, 3,
+ PCI_BASE_ADDRESS_MEM_TYPE_64 | PCI_BASE_ADDRESS_MEM_PREFETCH,
+ 16 * KiB);
+
+ igb_init_net_peer(s, pci_dev, macaddr);
+
+ /* Initialize core */
+ igb_core_realize(s);
+
+ igb_core_pci_realize(&s->core,
+ igb_eeprom_template,
+ sizeof(igb_eeprom_template),
+ macaddr);
+}
+
+static void igb_pci_uninit(PCIDevice *pci_dev)
+{
+ IGBState *s = IGB(pci_dev);
+
+ trace_e1000e_cb_pci_uninit();
+
+ igb_core_pci_uninit(&s->core);
+
+ pcie_sriov_pf_exit(pci_dev);
+ pcie_cap_exit(pci_dev);
+
+ qemu_del_nic(s->nic);
+
+ igb_cleanup_msix(s);
+ msi_uninit(pci_dev);
+}
+
+static void igb_qdev_reset_hold(Object *obj)
+{
+ PCIDevice *d = PCI_DEVICE(obj);
+ IGBState *s = IGB(obj);
+
+ trace_e1000e_cb_qdev_reset_hold();
+
+ pcie_sriov_pf_disable_vfs(d);
+ igb_core_reset(&s->core);
+}
+
+static int igb_pre_save(void *opaque)
+{
+ IGBState *s = opaque;
+
+ trace_e1000e_cb_pre_save();
+
+ igb_core_pre_save(&s->core);
+
+ return 0;
+}
+
+static int igb_post_load(void *opaque, int version_id)
+{
+ IGBState *s = opaque;
+
+ trace_e1000e_cb_post_load();
+ return igb_core_post_load(&s->core);
+}
+
+static const VMStateDescription igb_vmstate_tx = {
+ .name = "igb-tx",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT16(vlan, struct igb_tx),
+ VMSTATE_UINT16(mss, struct igb_tx),
+ VMSTATE_BOOL(tse, struct igb_tx),
+ VMSTATE_BOOL(ixsm, struct igb_tx),
+ VMSTATE_BOOL(txsm, struct igb_tx),
+ VMSTATE_BOOL(first, struct igb_tx),
+ VMSTATE_BOOL(skip_cp, struct igb_tx),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static const VMStateDescription igb_vmstate_intr_timer = {
+ .name = "igb-intr-timer",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_TIMER_PTR(timer, IGBIntrDelayTimer),
+ VMSTATE_BOOL(running, IGBIntrDelayTimer),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+#define VMSTATE_IGB_INTR_DELAY_TIMER(_f, _s) \
+ VMSTATE_STRUCT(_f, _s, 0, \
+ igb_vmstate_intr_timer, IGBIntrDelayTimer)
+
+#define VMSTATE_IGB_INTR_DELAY_TIMER_ARRAY(_f, _s, _num) \
+ VMSTATE_STRUCT_ARRAY(_f, _s, _num, 0, \
+ igb_vmstate_intr_timer, IGBIntrDelayTimer)
+
+static const VMStateDescription igb_vmstate = {
+ .name = "igb",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .pre_save = igb_pre_save,
+ .post_load = igb_post_load,
+ .fields = (VMStateField[]) {
+ VMSTATE_PCI_DEVICE(parent_obj, IGBState),
+ VMSTATE_MSIX(parent_obj, IGBState),
+
+ VMSTATE_UINT32(ioaddr, IGBState),
+ VMSTATE_UINT8(core.rx_desc_len, IGBState),
+ VMSTATE_UINT16_ARRAY(core.eeprom, IGBState, IGB_EEPROM_SIZE),
+ VMSTATE_UINT16_ARRAY(core.phy, IGBState, MAX_PHY_REG_ADDRESS + 1),
+ VMSTATE_UINT32_ARRAY(core.mac, IGBState, E1000E_MAC_SIZE),
+ VMSTATE_UINT8_ARRAY(core.permanent_mac, IGBState, ETH_ALEN),
+
+ VMSTATE_IGB_INTR_DELAY_TIMER_ARRAY(core.eitr, IGBState,
+ IGB_INTR_NUM),
+
+ VMSTATE_UINT32_ARRAY(core.eitr_guest_value, IGBState, IGB_INTR_NUM),
+
+ VMSTATE_STRUCT_ARRAY(core.tx, IGBState, IGB_NUM_QUEUES, 0,
+ igb_vmstate_tx, struct igb_tx),
+
+ VMSTATE_INT64(core.timadj, IGBState),
+
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static Property igb_properties[] = {
+ DEFINE_NIC_PROPERTIES(IGBState, conf),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void igb_class_init(ObjectClass *class, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(class);
+ ResettableClass *rc = RESETTABLE_CLASS(class);
+ PCIDeviceClass *c = PCI_DEVICE_CLASS(class);
+
+ c->realize = igb_pci_realize;
+ c->exit = igb_pci_uninit;
+ c->vendor_id = PCI_VENDOR_ID_INTEL;
+ c->device_id = E1000_DEV_ID_82576;
+ c->revision = 1;
+ c->class_id = PCI_CLASS_NETWORK_ETHERNET;
+
+ rc->phases.hold = igb_qdev_reset_hold;
+
+ dc->desc = "Intel 82576 Gigabit Ethernet Controller";
+ dc->vmsd = &igb_vmstate;
+
+ device_class_set_props(dc, igb_properties);
+ set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
+}
+
+static void igb_instance_init(Object *obj)
+{
+ IGBState *s = IGB(obj);
+ device_add_bootindex_property(obj, &s->conf.bootindex,
+ "bootindex", "/ethernet-phy@0",
+ DEVICE(obj));
+}
+
+static const TypeInfo igb_info = {
+ .name = TYPE_IGB,
+ .parent = TYPE_PCI_DEVICE,
+ .instance_size = sizeof(IGBState),
+ .class_init = igb_class_init,
+ .instance_init = igb_instance_init,
+ .interfaces = (InterfaceInfo[]) {
+ { INTERFACE_PCIE_DEVICE },
+ { }
+ },
+};
+
+static void igb_register_types(void)
+{
+ type_register_static(&igb_info);
+}
+
+type_init(igb_register_types)
new file mode 100644
@@ -0,0 +1,146 @@
+/*
+ * QEMU igb emulation - shared definitions
+ *
+ * Copyright (c) 2020-2023 Red Hat, Inc.
+ * Copyright (c) 2008 Qumranet
+ *
+ * Based on work done by:
+ * Nir Peleg, Tutis Systems Ltd. for Qumranet Inc.
+ * Copyright (c) 2007 Dan Aloni
+ * Copyright (c) 2004 Antony T Curtis
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef HW_NET_IGB_COMMON_H
+#define HW_NET_IGB_COMMON_H
+
+#include "igb_regs.h"
+
+#define defreg(x) x = (E1000_##x >> 2)
+#define defreg_indexed(x, i) x##i = (E1000_##x(i) >> 2)
+#define defreg_indexeda(x, i) x##i##_A = (E1000_##x##_A(i) >> 2)
+
+#define defregd(x) defreg_indexed(x, 0), defreg_indexed(x, 1), \
+ defreg_indexed(x, 2), defreg_indexed(x, 3), \
+ defreg_indexed(x, 4), defreg_indexed(x, 5), \
+ defreg_indexed(x, 6), defreg_indexed(x, 7), \
+ defreg_indexed(x, 8), defreg_indexed(x, 9), \
+ defreg_indexed(x, 10), defreg_indexed(x, 11), \
+ defreg_indexed(x, 12), defreg_indexed(x, 13), \
+ defreg_indexed(x, 14), defreg_indexed(x, 15), \
+ defreg_indexeda(x, 0), defreg_indexeda(x, 1), \
+ defreg_indexeda(x, 2), defreg_indexeda(x, 3)
+
+#define defregv(x) defreg_indexed(x, 0), defreg_indexed(x, 1), \
+ defreg_indexed(x, 2), defreg_indexed(x, 3), \
+ defreg_indexed(x, 4), defreg_indexed(x, 5), \
+ defreg_indexed(x, 6), defreg_indexed(x, 7)
+
+enum {
+ defreg(CTRL), defreg(EECD), defreg(EERD), defreg(GPRC),
+ defreg(GPTC), defreg(ICR), defreg(ICS), defreg(IMC),
+ defreg(IMS), defreg(LEDCTL), defreg(MANC), defreg(MDIC),
+ defreg(MPC), defreg(RCTL),
+ defreg(STATUS), defreg(SWSM), defreg(TCTL),
+ defreg(TORH), defreg(TORL), defreg(TOTH),
+ defreg(TOTL), defreg(TPR), defreg(TPT),
+ defreg(WUFC), defreg(RA), defreg(MTA), defreg(CRCERRS),
+ defreg(VFTA), defreg(VET),
+ defreg(SCC), defreg(ECOL),
+ defreg(MCC), defreg(LATECOL), defreg(COLC), defreg(DC),
+ defreg(TNCRS), defreg(RLEC),
+ defreg(XONRXC), defreg(XONTXC), defreg(XOFFRXC), defreg(XOFFTXC),
+ defreg(FCRUC), defreg(TDFH), defreg(TDFT),
+ defreg(TDFHS), defreg(TDFTS), defreg(TDFPC), defreg(WUC),
+ defreg(WUS), defreg(RDFH),
+ defreg(RDFT), defreg(RDFHS), defreg(RDFTS), defreg(RDFPC),
+ defreg(IPAV), defreg(IP4AT), defreg(IP6AT),
+ defreg(WUPM), defreg(FFMT),
+ defreg(IAM),
+ defreg(GCR), defreg(TIMINCA), defreg(EIAC), defreg(CTRL_EXT),
+ defreg(IVAR0), defreg(MANC2H),
+ defreg(MFVAL), defreg(MDEF), defreg(FACTPS), defreg(FTFT),
+ defreg(RUC), defreg(ROC), defreg(RFC), defreg(RJC),
+ defreg(PRC64), defreg(PRC127), defreg(PRC255), defreg(PRC511),
+ defreg(PRC1023), defreg(PRC1522), defreg(PTC64), defreg(PTC127),
+ defreg(PTC255), defreg(PTC511), defreg(PTC1023), defreg(PTC1522),
+ defreg(GORCL), defreg(GORCH), defreg(GOTCL), defreg(GOTCH),
+ defreg(RNBC), defreg(BPRC), defreg(MPRC), defreg(RFCTL),
+ defreg(MPTC), defreg(BPTC),
+ defreg(IAC), defreg(MGTPRC), defreg(MGTPDC), defreg(MGTPTC),
+ defreg(TSCTC), defreg(RXCSUM), defreg(FUNCTAG), defreg(GSCL_1),
+ defreg(GSCL_2), defreg(GSCL_3), defreg(GSCL_4), defreg(GSCN_0),
+ defreg(GSCN_1), defreg(GSCN_2), defreg(GSCN_3),
+ defreg_indexed(EITR, 0),
+ defreg(MRQC), defreg(RETA), defreg(RSSRK),
+ defreg(PBACLR), defreg(FCAL), defreg(FCAH), defreg(FCT),
+ defreg(FCRTH), defreg(FCRTL), defreg(FCTTV), defreg(FCRTV),
+ defreg(FLA), defreg(FLOP),
+ defreg(MAVTV0), defreg(MAVTV1), defreg(MAVTV2), defreg(MAVTV3),
+ defreg(TXSTMPL), defreg(TXSTMPH), defreg(SYSTIML), defreg(SYSTIMH),
+ defreg(TIMADJL), defreg(TIMADJH),
+ defreg(RXSTMPH), defreg(RXSTMPL), defreg(RXSATRL), defreg(RXSATRH),
+ defreg(TIPG),
+ defreg(CTRL_DUP),
+ defreg(EEMNGCTL),
+ defreg(EEMNGDATA),
+ defreg(FLMNGCTL),
+ defreg(FLMNGDATA),
+ defreg(FLMNGCNT),
+ defreg(TSYNCRXCTL),
+ defreg(TSYNCTXCTL),
+ defreg(RLPML),
+ defreg(UTA),
+
+ /* Aliases */
+ defreg(RDFH_A), defreg(RDFT_A), defreg(TDFH_A), defreg(TDFT_A),
+ defreg(RA_A), defreg(VFTA_A), defreg(FCRTL_A),
+
+ /* Additional regs used by IGB */
+ defreg(FWSM), defreg(SW_FW_SYNC),
+
+ defreg(EICS), defreg(EIMS), defreg(EIMC), defreg(EIAM),
+ defreg(EICR), defreg(IVAR_MISC), defreg(GPIE),
+
+ defreg(RXPBS), defregd(RDBAL), defregd(RDBAH), defregd(RDLEN),
+ defregd(SRRCTL), defregd(RDH), defregd(RDT),
+ defregd(RXDCTL), defregd(RXCTL), defregd(RQDPC), defreg(RA2),
+
+ defreg(TXPBS), defreg(TCTL_EXT), defreg(DTXCTL), defreg(HTCBDPC),
+ defregd(TDBAL), defregd(TDBAH), defregd(TDLEN), defregd(TDH),
+ defregd(TDT), defregd(TXDCTL), defregd(TXCTL),
+ defregd(TDWBAL), defregd(TDWBAH),
+
+ defreg(VT_CTL),
+
+ defregv(P2VMAILBOX), defregv(V2PMAILBOX), defreg(MBVFICR), defreg(MBVFIMR),
+ defreg(VFLRE), defreg(VFRE), defreg(VFTE), defreg(WVBR),
+ defreg(QDE), defreg(DTXSWC), defreg_indexed(VLVF, 0),
+ defregv(VMOLR), defreg(RPLOLR), defregv(VMBMEM), defregv(VMVIR),
+
+ defregv(PVTCTRL), defregv(PVTEICS), defregv(PVTEIMS), defregv(PVTEIMC),
+ defregv(PVTEIAC), defregv(PVTEIAM), defregv(PVTEICR), defregv(PVFGPRC),
+ defregv(PVFGPTC), defregv(PVFGORC), defregv(PVFGOTC), defregv(PVFMPRC),
+ defregv(PVFGPRLBC), defregv(PVFGPTLBC), defregv(PVFGORLBC), defregv(PVFGOTLBC),
+
+ defreg(MTA_A),
+
+ defreg(VTIVAR), defreg(VTIVAR_MISC),
+};
+
+uint64_t igb_mmio_read(void *opaque, hwaddr addr, unsigned size);
+void igb_mmio_write(void *opaque, hwaddr addr, uint64_t val, unsigned size);
+
+#endif
new file mode 100644
@@ -0,0 +1,4077 @@
+/*
+ * Core code for QEMU igb emulation
+ *
+ * Datasheet:
+ * https://www.intel.com/content/dam/www/public/us/en/documents/datasheets/82576eg-gbe-datasheet.pdf
+ *
+ * Copyright (c) 2020-2023 Red Hat, Inc.
+ * Copyright (c) 2015 Ravello Systems LTD (http://ravellosystems.com)
+ * Developed by Daynix Computing LTD (http://www.daynix.com)
+ *
+ * Authors:
+ * Akihiko Odaki <akihiko.odaki@daynix.com>
+ * Gal Hammmer <gal.hammer@sap.com>
+ * Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
+ * Dmitry Fleytman <dmitry@daynix.com>
+ * Leonid Bloch <leonid@daynix.com>
+ * Yan Vugenfirer <yan@daynix.com>
+ *
+ * Based on work done by:
+ * Nir Peleg, Tutis Systems Ltd. for Qumranet Inc.
+ * Copyright (c) 2008 Qumranet
+ * Based on work done by:
+ * Copyright (c) 2007 Dan Aloni
+ * Copyright (c) 2004 Antony T Curtis
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/log.h"
+#include "net/net.h"
+#include "net/tap.h"
+#include "hw/net/mii.h"
+#include "hw/pci/msi.h"
+#include "hw/pci/msix.h"
+#include "sysemu/runstate.h"
+
+#include "net_tx_pkt.h"
+#include "net_rx_pkt.h"
+
+#include "igb_common.h"
+#include "e1000x_common.h"
+#include "igb_core.h"
+
+#include "trace.h"
+
+#define E1000E_MAX_TX_FRAGS (64)
+
+union e1000_rx_desc_union {
+ struct e1000_rx_desc legacy;
+ union e1000_adv_rx_desc adv;
+};
+
+typedef struct IGBTxPktVmdqCallbackContext {
+ IGBCore *core;
+ NetClientState *nc;
+} IGBTxPktVmdqCallbackContext;
+
+static ssize_t
+igb_receive_internal(IGBCore *core, const struct iovec *iov, int iovcnt,
+ bool has_vnet, bool *external_tx);
+
+static inline void
+igb_set_interrupt_cause(IGBCore *core, uint32_t val);
+
+static void igb_update_interrupt_state(IGBCore *core);
+static void igb_reset(IGBCore *core, bool sw);
+
+static inline void
+igb_raise_legacy_irq(IGBCore *core)
+{
+ trace_e1000e_irq_legacy_notify(true);
+ e1000x_inc_reg_if_not_full(core->mac, IAC);
+ pci_set_irq(core->owner, 1);
+}
+
+static inline void
+igb_lower_legacy_irq(IGBCore *core)
+{
+ trace_e1000e_irq_legacy_notify(false);
+ pci_set_irq(core->owner, 0);
+}
+
+static void igb_msix_notify(IGBCore *core, unsigned int vector)
+{
+ PCIDevice *dev = core->owner;
+ uint16_t vfn;
+
+ vfn = 8 - (vector + 2) / IGBVF_MSIX_VEC_NUM;
+ if (vfn < pcie_sriov_num_vfs(core->owner)) {
+ dev = pcie_sriov_get_vf_at_index(core->owner, vfn);
+ assert(dev);
+ vector = (vector + 2) % IGBVF_MSIX_VEC_NUM;
+ } else if (vector >= IGB_MSIX_VEC_NUM) {
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "igb: Tried to use vector unavailable for PF");
+ return;
+ }
+
+ msix_notify(dev, vector);
+}
+
+static inline void
+igb_intrmgr_rearm_timer(IGBIntrDelayTimer *timer)
+{
+ int64_t delay_ns = (int64_t) timer->core->mac[timer->delay_reg] *
+ timer->delay_resolution_ns;
+
+ trace_e1000e_irq_rearm_timer(timer->delay_reg << 2, delay_ns);
+
+ timer_mod(timer->timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + delay_ns);
+
+ timer->running = true;
+}
+
+static void
+igb_intmgr_timer_resume(IGBIntrDelayTimer *timer)
+{
+ if (timer->running) {
+ igb_intrmgr_rearm_timer(timer);
+ }
+}
+
+static void
+igb_intmgr_timer_pause(IGBIntrDelayTimer *timer)
+{
+ if (timer->running) {
+ timer_del(timer->timer);
+ }
+}
+
+static void
+igb_intrmgr_on_msix_throttling_timer(void *opaque)
+{
+ IGBIntrDelayTimer *timer = opaque;
+ int idx = timer - &timer->core->eitr[0];
+
+ timer->running = false;
+
+ trace_e1000e_irq_msix_notify_postponed_vec(idx);
+ igb_msix_notify(timer->core, idx);
+}
+
+static void
+igb_intrmgr_initialize_all_timers(IGBCore *core, bool create)
+{
+ int i;
+
+ for (i = 0; i < IGB_INTR_NUM; i++) {
+ core->eitr[i].core = core;
+ core->eitr[i].delay_reg = EITR0 + i;
+ core->eitr[i].delay_resolution_ns = E1000_INTR_DELAY_NS_RES;
+ }
+
+ if (!create) {
+ return;
+ }
+
+ for (i = 0; i < IGB_INTR_NUM; i++) {
+ core->eitr[i].timer = timer_new_ns(QEMU_CLOCK_VIRTUAL,
+ igb_intrmgr_on_msix_throttling_timer,
+ &core->eitr[i]);
+ }
+}
+
+static void
+igb_intrmgr_resume(IGBCore *core)
+{
+ int i;
+
+ for (i = 0; i < IGB_INTR_NUM; i++) {
+ igb_intmgr_timer_resume(&core->eitr[i]);
+ }
+}
+
+static void
+igb_intrmgr_pause(IGBCore *core)
+{
+ int i;
+
+ for (i = 0; i < IGB_INTR_NUM; i++) {
+ igb_intmgr_timer_pause(&core->eitr[i]);
+ }
+}
+
+static void
+igb_intrmgr_reset(IGBCore *core)
+{
+ int i;
+
+ for (i = 0; i < IGB_INTR_NUM; i++) {
+ if (core->eitr[i].running) {
+ timer_del(core->eitr[i].timer);
+ igb_intrmgr_on_msix_throttling_timer(&core->eitr[i]);
+ }
+ }
+}
+
+static void
+igb_intrmgr_pci_unint(IGBCore *core)
+{
+ int i;
+
+ for (i = 0; i < IGB_INTR_NUM; i++) {
+ timer_free(core->eitr[i].timer);
+ }
+}
+
+static void
+igb_intrmgr_pci_realize(IGBCore *core)
+{
+ igb_intrmgr_initialize_all_timers(core, true);
+}
+
+static inline bool
+igb_rx_csum_enabled(IGBCore *core)
+{
+ return (core->mac[RXCSUM] & E1000_RXCSUM_PCSD) ? false : true;
+}
+
+static inline bool
+igb_rx_use_legacy_descriptor(IGBCore *core)
+{
+ /*
+ * TODO: If SRRCTL[n],DESCTYPE = 000b, the 82576 uses the legacy Rx
+ * descriptor.
+ */
+ return false;
+}
+
+static inline bool
+igb_rss_enabled(IGBCore *core)
+{
+ return (core->mac[MRQC] & 3) == E1000_MRQC_ENABLE_RSS_MQ &&
+ !igb_rx_csum_enabled(core) &&
+ !igb_rx_use_legacy_descriptor(core);
+}
+
+typedef struct E1000E_RSSInfo_st {
+ bool enabled;
+ uint32_t hash;
+ uint32_t queue;
+ uint32_t type;
+} E1000E_RSSInfo;
+
+static uint32_t
+igb_rss_get_hash_type(IGBCore *core, struct NetRxPkt *pkt)
+{
+ bool hasip4, hasip6;
+ EthL4HdrProto l4hdr_proto;
+
+ assert(igb_rss_enabled(core));
+
+ net_rx_pkt_get_protocols(pkt, &hasip4, &hasip6, &l4hdr_proto);
+
+ if (hasip4) {
+ trace_e1000e_rx_rss_ip4(l4hdr_proto, core->mac[MRQC],
+ E1000_MRQC_EN_TCPIPV4(core->mac[MRQC]),
+ E1000_MRQC_EN_IPV4(core->mac[MRQC]));
+
+ if (l4hdr_proto == ETH_L4_HDR_PROTO_TCP &&
+ E1000_MRQC_EN_TCPIPV4(core->mac[MRQC])) {
+ return E1000_MRQ_RSS_TYPE_IPV4TCP;
+ }
+
+ if (E1000_MRQC_EN_IPV4(core->mac[MRQC])) {
+ return E1000_MRQ_RSS_TYPE_IPV4;
+ }
+ } else if (hasip6) {
+ eth_ip6_hdr_info *ip6info = net_rx_pkt_get_ip6_info(pkt);
+
+ bool ex_dis = core->mac[RFCTL] & E1000_RFCTL_IPV6_EX_DIS;
+ bool new_ex_dis = core->mac[RFCTL] & E1000_RFCTL_NEW_IPV6_EXT_DIS;
+
+ /*
+ * Following two traces must not be combined because resulting
+ * event will have 11 arguments totally and some trace backends
+ * (at least "ust") have limitation of maximum 10 arguments per
+ * event. Events with more arguments fail to compile for
+ * backends like these.
+ */
+ trace_e1000e_rx_rss_ip6_rfctl(core->mac[RFCTL]);
+ trace_e1000e_rx_rss_ip6(ex_dis, new_ex_dis, l4hdr_proto,
+ ip6info->has_ext_hdrs,
+ ip6info->rss_ex_dst_valid,
+ ip6info->rss_ex_src_valid,
+ core->mac[MRQC],
+ E1000_MRQC_EN_TCPIPV6(core->mac[MRQC]),
+ E1000_MRQC_EN_IPV6EX(core->mac[MRQC]),
+ E1000_MRQC_EN_IPV6(core->mac[MRQC]));
+
+ if ((!ex_dis || !ip6info->has_ext_hdrs) &&
+ (!new_ex_dis || !(ip6info->rss_ex_dst_valid ||
+ ip6info->rss_ex_src_valid))) {
+
+ if (l4hdr_proto == ETH_L4_HDR_PROTO_TCP &&
+ E1000_MRQC_EN_TCPIPV6(core->mac[MRQC])) {
+ return E1000_MRQ_RSS_TYPE_IPV6TCP;
+ }
+
+ if (E1000_MRQC_EN_IPV6EX(core->mac[MRQC])) {
+ return E1000_MRQ_RSS_TYPE_IPV6EX;
+ }
+
+ }
+
+ if (E1000_MRQC_EN_IPV6(core->mac[MRQC])) {
+ return E1000_MRQ_RSS_TYPE_IPV6;
+ }
+
+ }
+
+ return E1000_MRQ_RSS_TYPE_NONE;
+}
+
+static uint32_t
+igb_rss_calc_hash(IGBCore *core, struct NetRxPkt *pkt, E1000E_RSSInfo *info)
+{
+ NetRxPktRssType type;
+
+ assert(igb_rss_enabled(core));
+
+ switch (info->type) {
+ case E1000_MRQ_RSS_TYPE_IPV4:
+ type = NetPktRssIpV4;
+ break;
+ case E1000_MRQ_RSS_TYPE_IPV4TCP:
+ type = NetPktRssIpV4Tcp;
+ break;
+ case E1000_MRQ_RSS_TYPE_IPV6TCP:
+ type = NetPktRssIpV6TcpEx;
+ break;
+ case E1000_MRQ_RSS_TYPE_IPV6:
+ type = NetPktRssIpV6;
+ break;
+ case E1000_MRQ_RSS_TYPE_IPV6EX:
+ type = NetPktRssIpV6Ex;
+ break;
+ default:
+ assert(false);
+ return 0;
+ }
+
+ return net_rx_pkt_calc_rss_hash(pkt, type, (uint8_t *) &core->mac[RSSRK]);
+}
+
+static void
+igb_rss_parse_packet(IGBCore *core, struct NetRxPkt *pkt, bool tx,
+ E1000E_RSSInfo *info)
+{
+ trace_e1000e_rx_rss_started();
+
+ if (tx || !igb_rss_enabled(core)) {
+ info->enabled = false;
+ info->hash = 0;
+ info->queue = 0;
+ info->type = 0;
+ trace_e1000e_rx_rss_disabled();
+ return;
+ }
+
+ info->enabled = true;
+
+ info->type = igb_rss_get_hash_type(core, pkt);
+
+ trace_e1000e_rx_rss_type(info->type);
+
+ if (info->type == E1000_MRQ_RSS_TYPE_NONE) {
+ info->hash = 0;
+ info->queue = 0;
+ return;
+ }
+
+ info->hash = igb_rss_calc_hash(core, pkt, info);
+ info->queue = E1000_RSS_QUEUE(&core->mac[RETA], info->hash);
+}
+
+static bool
+igb_setup_tx_offloads(IGBCore *core, struct igb_tx *tx)
+{
+ if (tx->tse) {
+ if (!net_tx_pkt_build_vheader(tx->tx_pkt, true, true, tx->mss)) {
+ return false;
+ }
+
+ net_tx_pkt_update_ip_checksums(tx->tx_pkt);
+ e1000x_inc_reg_if_not_full(core->mac, TSCTC);
+ return true;
+ }
+
+ if (tx->txsm) {
+ if (!net_tx_pkt_build_vheader(tx->tx_pkt, false, true, 0)) {
+ return false;
+ }
+ }
+
+ if (tx->ixsm) {
+ net_tx_pkt_update_ip_hdr_checksum(tx->tx_pkt);
+ }
+
+ return true;
+}
+
+static void igb_tx_pkt_mac_callback(void *core,
+ const struct iovec *iov,
+ int iovcnt,
+ const struct iovec *virt_iov,
+ int virt_iovcnt)
+{
+ igb_receive_internal(core, virt_iov, virt_iovcnt, true, NULL);
+}
+
+static void igb_tx_pkt_vmdq_callback(void *opaque,
+ const struct iovec *iov,
+ int iovcnt,
+ const struct iovec *virt_iov,
+ int virt_iovcnt)
+{
+ IGBTxPktVmdqCallbackContext *context = opaque;
+ bool external_tx;
+
+ igb_receive_internal(context->core, virt_iov, virt_iovcnt, true,
+ &external_tx);
+
+ if (external_tx) {
+ if (context->core->has_vnet) {
+ qemu_sendv_packet(context->nc, virt_iov, virt_iovcnt);
+ } else {
+ qemu_sendv_packet(context->nc, iov, iovcnt);
+ }
+ }
+}
+
+/* TX Packets Switching (7.10.3.6) */
+static bool igb_tx_pkt_switch(IGBCore *core, struct igb_tx *tx,
+ NetClientState *nc)
+{
+ IGBTxPktVmdqCallbackContext context;
+
+ /* TX switching is only used to serve VM to VM traffic. */
+ if (!(core->mac[MRQC] & 1)) {
+ goto send_out;
+ }
+
+ /* TX switching requires DTXSWC.Loopback_en bit enabled. */
+ if (!(core->mac[DTXSWC] & E1000_DTXSWC_VMDQ_LOOPBACK_EN)) {
+ goto send_out;
+ }
+
+ context.core = core;
+ context.nc = nc;
+
+ return net_tx_pkt_send_custom(tx->tx_pkt, false,
+ igb_tx_pkt_vmdq_callback, &context);
+
+send_out:
+ return net_tx_pkt_send(tx->tx_pkt, nc);
+}
+
+static bool
+igb_tx_pkt_send(IGBCore *core, struct igb_tx *tx, int queue_index)
+{
+ int target_queue = MIN(core->max_queue_num, queue_index);
+ NetClientState *queue = qemu_get_subqueue(core->owner_nic, target_queue);
+
+ if (!igb_setup_tx_offloads(core, tx)) {
+ return false;
+ }
+
+ net_tx_pkt_dump(tx->tx_pkt);
+
+ if ((core->phy[MII_BMCR] & MII_BMCR_LOOPBACK) ||
+ ((core->mac[RCTL] & E1000_RCTL_LBM_MAC) == E1000_RCTL_LBM_MAC)) {
+ return net_tx_pkt_send_custom(tx->tx_pkt, false,
+ igb_tx_pkt_mac_callback, core);
+ } else {
+ return igb_tx_pkt_switch(core, tx, queue);
+ }
+}
+
+static void
+igb_on_tx_done_update_stats(IGBCore *core, struct NetTxPkt *tx_pkt)
+{
+ static const int PTCregs[6] = { PTC64, PTC127, PTC255, PTC511,
+ PTC1023, PTC1522 };
+
+ size_t tot_len = net_tx_pkt_get_total_len(tx_pkt) + 4;
+
+ e1000x_increase_size_stats(core->mac, PTCregs, tot_len);
+ e1000x_inc_reg_if_not_full(core->mac, TPT);
+ e1000x_grow_8reg_if_not_full(core->mac, TOTL, tot_len);
+
+ switch (net_tx_pkt_get_packet_type(tx_pkt)) {
+ case ETH_PKT_BCAST:
+ e1000x_inc_reg_if_not_full(core->mac, BPTC);
+ break;
+ case ETH_PKT_MCAST:
+ e1000x_inc_reg_if_not_full(core->mac, MPTC);
+ break;
+ case ETH_PKT_UCAST:
+ break;
+ default:
+ g_assert_not_reached();
+ }
+
+ core->mac[GPTC] = core->mac[TPT];
+ core->mac[GOTCL] = core->mac[TOTL];
+ core->mac[GOTCH] = core->mac[TOTH];
+}
+
+static void
+igb_process_tx_desc(IGBCore *core,
+ struct igb_tx *tx,
+ union e1000_adv_tx_desc *tx_desc,
+ int queue_index)
+{
+ struct e1000_adv_tx_context_desc *tx_ctx_desc;
+ uint32_t cmd_type_len;
+ uint32_t olinfo_status;
+ uint64_t buffer_addr;
+ uint16_t length;
+
+ cmd_type_len = le32_to_cpu(tx_desc->read.cmd_type_len);
+
+ if (cmd_type_len & E1000_ADVTXD_DCMD_DEXT) {
+ if ((cmd_type_len & E1000_ADVTXD_DTYP_DATA) ==
+ E1000_ADVTXD_DTYP_DATA) {
+ /* advanced transmit data descriptor */
+ if (tx->first) {
+ olinfo_status = le32_to_cpu(tx_desc->read.olinfo_status);
+
+ tx->tse = !!(cmd_type_len & E1000_ADVTXD_DCMD_TSE);
+ tx->ixsm = !!(olinfo_status & E1000_ADVTXD_POTS_IXSM);
+ tx->txsm = !!(olinfo_status & E1000_ADVTXD_POTS_TXSM);
+
+ tx->first = false;
+ }
+ } else if ((cmd_type_len & E1000_ADVTXD_DTYP_CTXT) ==
+ E1000_ADVTXD_DTYP_CTXT) {
+ /* advanced transmit context descriptor */
+ tx_ctx_desc = (struct e1000_adv_tx_context_desc *)tx_desc;
+ tx->vlan = le32_to_cpu(tx_ctx_desc->vlan_macip_lens) >> 16;
+ tx->mss = le32_to_cpu(tx_ctx_desc->mss_l4len_idx) >> 16;
+ return;
+ } else {
+ /* unknown descriptor type */
+ return;
+ }
+ } else {
+ /* legacy descriptor */
+
+ /* TODO: Implement a support for legacy descriptors (7.2.2.1). */
+ }
+
+ buffer_addr = le64_to_cpu(tx_desc->read.buffer_addr);
+ length = cmd_type_len & 0xFFFF;
+
+ if (!tx->skip_cp) {
+ if (!net_tx_pkt_add_raw_fragment(tx->tx_pkt, buffer_addr, length)) {
+ tx->skip_cp = true;
+ }
+ }
+
+ if (cmd_type_len & E1000_TXD_CMD_EOP) {
+ if (!tx->skip_cp && net_tx_pkt_parse(tx->tx_pkt)) {
+ if (cmd_type_len & E1000_TXD_CMD_VLE) {
+ net_tx_pkt_setup_vlan_header_ex(tx->tx_pkt, tx->vlan,
+ core->mac[VET] & 0xffff);
+ }
+ if (igb_tx_pkt_send(core, tx, queue_index)) {
+ igb_on_tx_done_update_stats(core, tx->tx_pkt);
+ }
+ }
+
+ tx->first = true;
+ tx->skip_cp = false;
+ net_tx_pkt_reset(tx->tx_pkt);
+ }
+}
+
+static uint32_t igb_tx_wb_eic(IGBCore *core, int queue_idx)
+{
+ uint32_t n, ent = 0;
+
+ n = igb_ivar_entry_tx(queue_idx);
+ ent = (core->mac[IVAR0 + n / 4] >> (8 * (n % 4))) & 0xff;
+
+ return (ent & E1000_IVAR_VALID) ? BIT(ent & 0x1f) : 0;
+}
+
+static uint32_t igb_rx_wb_eic(IGBCore *core, int queue_idx)
+{
+ uint32_t n, ent = 0;
+
+ n = igb_ivar_entry_rx(queue_idx);
+ ent = (core->mac[IVAR0 + n / 4] >> (8 * (n % 4))) & 0xff;
+
+ return (ent & E1000_IVAR_VALID) ? BIT(ent & 0x1f) : 0;
+}
+
+typedef struct E1000E_RingInfo_st {
+ int dbah;
+ int dbal;
+ int dlen;
+ int dh;
+ int dt;
+ int idx;
+} E1000E_RingInfo;
+
+static inline bool
+igb_ring_empty(IGBCore *core, const E1000E_RingInfo *r)
+{
+ return core->mac[r->dh] == core->mac[r->dt] ||
+ core->mac[r->dt] >= core->mac[r->dlen] / E1000_RING_DESC_LEN;
+}
+
+static inline uint64_t
+igb_ring_base(IGBCore *core, const E1000E_RingInfo *r)
+{
+ uint64_t bah = core->mac[r->dbah];
+ uint64_t bal = core->mac[r->dbal];
+
+ return (bah << 32) + bal;
+}
+
+static inline uint64_t
+igb_ring_head_descr(IGBCore *core, const E1000E_RingInfo *r)
+{
+ return igb_ring_base(core, r) + E1000_RING_DESC_LEN * core->mac[r->dh];
+}
+
+static inline void
+igb_ring_advance(IGBCore *core, const E1000E_RingInfo *r, uint32_t count)
+{
+ core->mac[r->dh] += count;
+
+ if (core->mac[r->dh] * E1000_RING_DESC_LEN >= core->mac[r->dlen]) {
+ core->mac[r->dh] = 0;
+ }
+}
+
+static inline uint32_t
+igb_ring_free_descr_num(IGBCore *core, const E1000E_RingInfo *r)
+{
+ trace_e1000e_ring_free_space(r->idx, core->mac[r->dlen],
+ core->mac[r->dh], core->mac[r->dt]);
+
+ if (core->mac[r->dh] <= core->mac[r->dt]) {
+ return core->mac[r->dt] - core->mac[r->dh];
+ }
+
+ if (core->mac[r->dh] > core->mac[r->dt]) {
+ return core->mac[r->dlen] / E1000_RING_DESC_LEN +
+ core->mac[r->dt] - core->mac[r->dh];
+ }
+
+ g_assert_not_reached();
+ return 0;
+}
+
+static inline bool
+igb_ring_enabled(IGBCore *core, const E1000E_RingInfo *r)
+{
+ return core->mac[r->dlen] > 0;
+}
+
+typedef struct IGB_TxRing_st {
+ const E1000E_RingInfo *i;
+ struct igb_tx *tx;
+} IGB_TxRing;
+
+static inline int
+igb_mq_queue_idx(int base_reg_idx, int reg_idx)
+{
+ return (reg_idx - base_reg_idx) / 16;
+}
+
+static inline void
+igb_tx_ring_init(IGBCore *core, IGB_TxRing *txr, int idx)
+{
+ static const E1000E_RingInfo i[IGB_NUM_QUEUES] = {
+ { TDBAH0, TDBAL0, TDLEN0, TDH0, TDT0, 0 },
+ { TDBAH1, TDBAL1, TDLEN1, TDH1, TDT1, 1 },
+ { TDBAH2, TDBAL2, TDLEN2, TDH2, TDT2, 2 },
+ { TDBAH3, TDBAL3, TDLEN3, TDH3, TDT3, 3 },
+ { TDBAH4, TDBAL4, TDLEN4, TDH4, TDT4, 4 },
+ { TDBAH5, TDBAL5, TDLEN5, TDH5, TDT5, 5 },
+ { TDBAH6, TDBAL6, TDLEN6, TDH6, TDT6, 6 },
+ { TDBAH7, TDBAL7, TDLEN7, TDH7, TDT7, 7 },
+ { TDBAH8, TDBAL8, TDLEN8, TDH8, TDT8, 8 },
+ { TDBAH9, TDBAL9, TDLEN9, TDH9, TDT9, 9 },
+ { TDBAH10, TDBAL10, TDLEN10, TDH10, TDT10, 10 },
+ { TDBAH11, TDBAL11, TDLEN11, TDH11, TDT11, 11 },
+ { TDBAH12, TDBAL12, TDLEN12, TDH12, TDT12, 12 },
+ { TDBAH13, TDBAL13, TDLEN13, TDH13, TDT13, 13 },
+ { TDBAH14, TDBAL14, TDLEN14, TDH14, TDT14, 14 },
+ { TDBAH15, TDBAL15, TDLEN15, TDH15, TDT15, 15 }
+ };
+
+ assert(idx < ARRAY_SIZE(i));
+
+ txr->i = &i[idx];
+ txr->tx = &core->tx[idx];
+}
+
+typedef struct E1000E_RxRing_st {
+ const E1000E_RingInfo *i;
+} E1000E_RxRing;
+
+static inline void
+igb_rx_ring_init(IGBCore *core, E1000E_RxRing *rxr, int idx)
+{
+ static const E1000E_RingInfo i[IGB_NUM_QUEUES] = {
+ { RDBAH0, RDBAL0, RDLEN0, RDH0, RDT0, 0 },
+ { RDBAH1, RDBAL1, RDLEN1, RDH1, RDT1, 1 },
+ { RDBAH2, RDBAL2, RDLEN2, RDH2, RDT2, 2 },
+ { RDBAH3, RDBAL3, RDLEN3, RDH3, RDT3, 3 },
+ { RDBAH4, RDBAL4, RDLEN4, RDH4, RDT4, 4 },
+ { RDBAH5, RDBAL5, RDLEN5, RDH5, RDT5, 5 },
+ { RDBAH6, RDBAL6, RDLEN6, RDH6, RDT6, 6 },
+ { RDBAH7, RDBAL7, RDLEN7, RDH7, RDT7, 7 },
+ { RDBAH8, RDBAL8, RDLEN8, RDH8, RDT8, 8 },
+ { RDBAH9, RDBAL9, RDLEN9, RDH9, RDT9, 9 },
+ { RDBAH10, RDBAL10, RDLEN10, RDH10, RDT10, 10 },
+ { RDBAH11, RDBAL11, RDLEN11, RDH11, RDT11, 11 },
+ { RDBAH12, RDBAL12, RDLEN12, RDH12, RDT12, 12 },
+ { RDBAH13, RDBAL13, RDLEN13, RDH13, RDT13, 13 },
+ { RDBAH14, RDBAL14, RDLEN14, RDH14, RDT14, 14 },
+ { RDBAH15, RDBAL15, RDLEN15, RDH15, RDT15, 15 }
+ };
+
+ assert(idx < ARRAY_SIZE(i));
+
+ rxr->i = &i[idx];
+}
+
+static uint32_t
+igb_txdesc_writeback(IGBCore *core, dma_addr_t base,
+ union e1000_adv_tx_desc *tx_desc,
+ const E1000E_RingInfo *txi)
+{
+ PCIDevice *d;
+ uint32_t cmd_type_len = le32_to_cpu(tx_desc->read.cmd_type_len);
+ uint64_t tdwba;
+
+ tdwba = core->mac[E1000_TDWBAL(txi->idx) >> 2];
+ tdwba |= (uint64_t)core->mac[E1000_TDWBAH(txi->idx) >> 2] << 32;
+
+ if (!(cmd_type_len & E1000_TXD_CMD_RS)) {
+ return 0;
+ }
+
+ d = pcie_sriov_get_vf_at_index(core->owner, txi->idx % 8);
+ if (!d) {
+ d = core->owner;
+ }
+
+ if (tdwba & 1) {
+ uint32_t buffer = cpu_to_le32(core->mac[txi->dh]);
+ pci_dma_write(d, tdwba & ~3, &buffer, sizeof(buffer));
+ } else {
+ uint32_t status = le32_to_cpu(tx_desc->wb.status) | E1000_TXD_STAT_DD;
+
+ tx_desc->wb.status = cpu_to_le32(status);
+ pci_dma_write(d, base + offsetof(union e1000_adv_tx_desc, wb),
+ &tx_desc->wb, sizeof(tx_desc->wb));
+ }
+
+ return igb_tx_wb_eic(core, txi->idx);
+}
+
+static void
+igb_start_xmit(IGBCore *core, const IGB_TxRing *txr)
+{
+ PCIDevice *d;
+ dma_addr_t base;
+ union e1000_adv_tx_desc desc;
+ const E1000E_RingInfo *txi = txr->i;
+ uint32_t eic = 0;
+
+ /* TODO: check if the queue itself is enabled too. */
+ if (!(core->mac[TCTL] & E1000_TCTL_EN)) {
+ trace_e1000e_tx_disabled();
+ return;
+ }
+
+ d = pcie_sriov_get_vf_at_index(core->owner, txi->idx % 8);
+ if (!d) {
+ d = core->owner;
+ }
+
+ while (!igb_ring_empty(core, txi)) {
+ base = igb_ring_head_descr(core, txi);
+
+ pci_dma_read(d, base, &desc, sizeof(desc));
+
+ trace_e1000e_tx_descr((void *)(intptr_t)desc.read.buffer_addr,
+ desc.read.cmd_type_len, desc.wb.status);
+
+ igb_process_tx_desc(core, txr->tx, &desc, txi->idx);
+ igb_ring_advance(core, txi, 1);
+ eic |= igb_txdesc_writeback(core, base, &desc, txi);
+ }
+
+ if (eic) {
+ core->mac[EICR] |= eic;
+ igb_set_interrupt_cause(core, E1000_ICR_TXDW);
+ }
+}
+
+static uint32_t
+igb_rxbufsize(IGBCore *core, const E1000E_RingInfo *r)
+{
+ uint32_t srrctl = core->mac[E1000_SRRCTL(r->idx) >> 2];
+ uint32_t bsizepkt = srrctl & E1000_SRRCTL_BSIZEPKT_MASK;
+ if (bsizepkt) {
+ return bsizepkt << E1000_SRRCTL_BSIZEPKT_SHIFT;
+ }
+
+ return e1000x_rxbufsize(core->mac[RCTL]);
+}
+
+static bool
+igb_has_rxbufs(IGBCore *core, const E1000E_RingInfo *r, size_t total_size)
+{
+ uint32_t bufs = igb_ring_free_descr_num(core, r);
+ uint32_t bufsize = igb_rxbufsize(core, r);
+
+ trace_e1000e_rx_has_buffers(r->idx, bufs, total_size, bufsize);
+
+ return total_size <= bufs / (core->rx_desc_len / E1000_MIN_RX_DESC_LEN) *
+ bufsize;
+}
+
+void
+igb_start_recv(IGBCore *core)
+{
+ int i;
+
+ trace_e1000e_rx_start_recv();
+
+ for (i = 0; i <= core->max_queue_num; i++) {
+ qemu_flush_queued_packets(qemu_get_subqueue(core->owner_nic, i));
+ }
+}
+
+bool
+igb_can_receive(IGBCore *core)
+{
+ int i;
+
+ if (!e1000x_rx_ready(core->owner, core->mac)) {
+ return false;
+ }
+
+ for (i = 0; i < IGB_NUM_QUEUES; i++) {
+ E1000E_RxRing rxr;
+
+ igb_rx_ring_init(core, &rxr, i);
+ if (igb_ring_enabled(core, rxr.i) && igb_has_rxbufs(core, rxr.i, 1)) {
+ trace_e1000e_rx_can_recv();
+ return true;
+ }
+ }
+
+ trace_e1000e_rx_can_recv_rings_full();
+ return false;
+}
+
+ssize_t
+igb_receive(IGBCore *core, const uint8_t *buf, size_t size)
+{
+ const struct iovec iov = {
+ .iov_base = (uint8_t *)buf,
+ .iov_len = size
+ };
+
+ return igb_receive_iov(core, &iov, 1);
+}
+
+static inline bool
+igb_rx_l3_cso_enabled(IGBCore *core)
+{
+ return !!(core->mac[RXCSUM] & E1000_RXCSUM_IPOFLD);
+}
+
+static inline bool
+igb_rx_l4_cso_enabled(IGBCore *core)
+{
+ return !!(core->mac[RXCSUM] & E1000_RXCSUM_TUOFLD);
+}
+
+static uint16_t igb_receive_assign(IGBCore *core, const struct eth_header *ehdr,
+ E1000E_RSSInfo *rss_info, bool *external_tx)
+{
+ static const int ta_shift[] = { 4, 3, 2, 0 };
+ uint32_t f, ra[2], *macp, rctl = core->mac[RCTL];
+ uint16_t queues = 0;
+ uint16_t vid = lduw_be_p(&PKT_GET_VLAN_HDR(ehdr)->h_tci) & VLAN_VID_MASK;
+ bool accepted = false;
+ int i;
+
+ memset(rss_info, 0, sizeof(E1000E_RSSInfo));
+
+ if (external_tx) {
+ *external_tx = true;
+ }
+
+ if (e1000x_is_vlan_packet(ehdr, core->mac[VET] & 0xffff) &&
+ e1000x_vlan_rx_filter_enabled(core->mac)) {
+ uint32_t vfta =
+ ldl_le_p((uint32_t *)(core->mac + VFTA) +
+ ((vid >> E1000_VFTA_ENTRY_SHIFT) & E1000_VFTA_ENTRY_MASK));
+ if ((vfta & (1 << (vid & E1000_VFTA_ENTRY_BIT_SHIFT_MASK))) == 0) {
+ trace_e1000e_rx_flt_vlan_mismatch(vid);
+ return queues;
+ } else {
+ trace_e1000e_rx_flt_vlan_match(vid);
+ }
+ }
+
+ if (core->mac[MRQC] & 1) {
+ if (is_broadcast_ether_addr(ehdr->h_dest)) {
+ for (i = 0; i < 8; i++) {
+ if (core->mac[VMOLR0 + i] & E1000_VMOLR_BAM) {
+ queues |= BIT(i);
+ }
+ }
+ } else {
+ for (macp = core->mac + RA; macp < core->mac + RA + 32; macp += 2) {
+ if (!(macp[1] & E1000_RAH_AV)) {
+ continue;
+ }
+ ra[0] = cpu_to_le32(macp[0]);
+ ra[1] = cpu_to_le32(macp[1]);
+ if (!memcmp(ehdr->h_dest, (uint8_t *)ra, ETH_ALEN)) {
+ queues |= (macp[1] & E1000_RAH_POOL_MASK) / E1000_RAH_POOL_1;
+ }
+ }
+
+ for (macp = core->mac + RA2; macp < core->mac + RA2 + 16; macp += 2) {
+ if (!(macp[1] & E1000_RAH_AV)) {
+ continue;
+ }
+ ra[0] = cpu_to_le32(macp[0]);
+ ra[1] = cpu_to_le32(macp[1]);
+ if (!memcmp(ehdr->h_dest, (uint8_t *)ra, ETH_ALEN)) {
+ queues |= (macp[1] & E1000_RAH_POOL_MASK) / E1000_RAH_POOL_1;
+ }
+ }
+
+ if (!queues) {
+ macp = core->mac + (is_multicast_ether_addr(ehdr->h_dest) ? MTA : UTA);
+
+ f = ta_shift[(rctl >> E1000_RCTL_MO_SHIFT) & 3];
+ f = (((ehdr->h_dest[5] << 8) | ehdr->h_dest[4]) >> f) & 0xfff;
+ if (macp[f >> 5] & (1 << (f & 0x1f))) {
+ for (i = 0; i < 8; i++) {
+ if (core->mac[VMOLR0 + i] & E1000_VMOLR_ROMPE) {
+ queues |= BIT(i);
+ }
+ }
+ }
+ } else if (is_unicast_ether_addr(ehdr->h_dest) && external_tx) {
+ *external_tx = false;
+ }
+ }
+
+ if (e1000x_vlan_rx_filter_enabled(core->mac)) {
+ uint16_t mask = 0;
+
+ if (e1000x_is_vlan_packet(ehdr, core->mac[VET] & 0xffff)) {
+ for (i = 0; i < E1000_VLVF_ARRAY_SIZE; i++) {
+ if ((core->mac[VLVF0 + i] & E1000_VLVF_VLANID_MASK) == vid &&
+ (core->mac[VLVF0 + i] & E1000_VLVF_VLANID_ENABLE)) {
+ uint32_t poolsel = core->mac[VLVF0 + i] & E1000_VLVF_POOLSEL_MASK;
+ mask |= poolsel >> E1000_VLVF_POOLSEL_SHIFT;
+ }
+ }
+ } else {
+ for (i = 0; i < 8; i++) {
+ if (core->mac[VMOLR0 + i] & E1000_VMOLR_AUPE) {
+ mask |= BIT(i);
+ }
+ }
+ }
+
+ queues &= mask;
+ }
+
+ if (is_unicast_ether_addr(ehdr->h_dest) && !queues && !external_tx &&
+ !(core->mac[VT_CTL] & E1000_VT_CTL_DISABLE_DEF_POOL)) {
+ uint32_t def_pl = core->mac[VT_CTL] & E1000_VT_CTL_DEFAULT_POOL_MASK;
+ queues = BIT(def_pl >> E1000_VT_CTL_DEFAULT_POOL_SHIFT);
+ }
+
+ igb_rss_parse_packet(core, core->rx_pkt, external_tx != NULL, rss_info);
+ if (rss_info->queue & 1) {
+ queues <<= 8;
+ }
+ } else {
+ switch (net_rx_pkt_get_packet_type(core->rx_pkt)) {
+ case ETH_PKT_UCAST:
+ if (rctl & E1000_RCTL_UPE) {
+ accepted = true; /* promiscuous ucast */
+ }
+ break;
+
+ case ETH_PKT_BCAST:
+ if (rctl & E1000_RCTL_BAM) {
+ accepted = true; /* broadcast enabled */
+ }
+ break;
+
+ case ETH_PKT_MCAST:
+ if (rctl & E1000_RCTL_MPE) {
+ accepted = true; /* promiscuous mcast */
+ }
+ break;
+
+ default:
+ g_assert_not_reached();
+ }
+
+ if (!accepted) {
+ accepted = e1000x_rx_group_filter(core->mac, ehdr->h_dest);
+ }
+
+ if (!accepted) {
+ for (macp = core->mac + RA2; macp < core->mac + RA2 + 16; macp += 2) {
+ if (!(macp[1] & E1000_RAH_AV)) {
+ continue;
+ }
+ ra[0] = cpu_to_le32(macp[0]);
+ ra[1] = cpu_to_le32(macp[1]);
+ if (!memcmp(ehdr->h_dest, (uint8_t *)ra, ETH_ALEN)) {
+ trace_e1000x_rx_flt_ucast_match((int)(macp - core->mac - RA2) / 2,
+ MAC_ARG(ehdr->h_dest));
+
+ accepted = true;
+ break;
+ }
+ }
+ }
+
+ if (accepted) {
+ igb_rss_parse_packet(core, core->rx_pkt, false, rss_info);
+ queues = BIT(rss_info->queue);
+ }
+ }
+
+ return queues;
+}
+
+static inline void
+igb_read_lgcy_rx_descr(IGBCore *core, struct e1000_rx_desc *desc,
+ hwaddr *buff_addr)
+{
+ *buff_addr = le64_to_cpu(desc->buffer_addr);
+}
+
+static inline void
+igb_read_adv_rx_descr(IGBCore *core, union e1000_adv_rx_desc *desc,
+ hwaddr *buff_addr)
+{
+ *buff_addr = le64_to_cpu(desc->read.pkt_addr);
+}
+
+static inline void
+igb_read_rx_descr(IGBCore *core, union e1000_rx_desc_union *desc,
+ hwaddr *buff_addr)
+{
+ if (igb_rx_use_legacy_descriptor(core)) {
+ igb_read_lgcy_rx_descr(core, &desc->legacy, buff_addr);
+ } else {
+ igb_read_adv_rx_descr(core, &desc->adv, buff_addr);
+ }
+}
+
+static void
+igb_verify_csum_in_sw(IGBCore *core,
+ struct NetRxPkt *pkt,
+ uint32_t *status_flags,
+ EthL4HdrProto l4hdr_proto)
+{
+ bool csum_valid;
+ uint32_t csum_error;
+
+ if (igb_rx_l3_cso_enabled(core)) {
+ if (!net_rx_pkt_validate_l3_csum(pkt, &csum_valid)) {
+ trace_e1000e_rx_metadata_l3_csum_validation_failed();
+ } else {
+ csum_error = csum_valid ? 0 : E1000_RXDEXT_STATERR_IPE;
+ *status_flags |= E1000_RXD_STAT_IPCS | csum_error;
+ }
+ } else {
+ trace_e1000e_rx_metadata_l3_cso_disabled();
+ }
+
+ if (!igb_rx_l4_cso_enabled(core)) {
+ trace_e1000e_rx_metadata_l4_cso_disabled();
+ return;
+ }
+
+ if (!net_rx_pkt_validate_l4_csum(pkt, &csum_valid)) {
+ trace_e1000e_rx_metadata_l4_csum_validation_failed();
+ return;
+ }
+
+ csum_error = csum_valid ? 0 : E1000_RXDEXT_STATERR_TCPE;
+ *status_flags |= E1000_RXD_STAT_TCPCS | csum_error;
+
+ if (l4hdr_proto == ETH_L4_HDR_PROTO_UDP) {
+ *status_flags |= E1000_RXD_STAT_UDPCS;
+ }
+}
+
+static void
+igb_build_rx_metadata(IGBCore *core,
+ struct NetRxPkt *pkt,
+ bool is_eop,
+ const E1000E_RSSInfo *rss_info,
+ uint16_t *pkt_info, uint16_t *hdr_info,
+ uint32_t *rss,
+ uint32_t *status_flags,
+ uint16_t *ip_id,
+ uint16_t *vlan_tag)
+{
+ struct virtio_net_hdr *vhdr;
+ bool hasip4, hasip6;
+ EthL4HdrProto l4hdr_proto;
+ uint32_t pkt_type;
+
+ *status_flags = E1000_RXD_STAT_DD;
+
+ /* No additional metadata needed for non-EOP descriptors */
+ /* TODO: EOP apply only to status so don't skip whole function. */
+ if (!is_eop) {
+ goto func_exit;
+ }
+
+ *status_flags |= E1000_RXD_STAT_EOP;
+
+ net_rx_pkt_get_protocols(pkt, &hasip4, &hasip6, &l4hdr_proto);
+ trace_e1000e_rx_metadata_protocols(hasip4, hasip6, l4hdr_proto);
+
+ /* VLAN state */
+ if (net_rx_pkt_is_vlan_stripped(pkt)) {
+ *status_flags |= E1000_RXD_STAT_VP;
+ *vlan_tag = cpu_to_le16(net_rx_pkt_get_vlan_tag(pkt));
+ trace_e1000e_rx_metadata_vlan(*vlan_tag);
+ }
+
+ /* Packet parsing results */
+ if ((core->mac[RXCSUM] & E1000_RXCSUM_PCSD) != 0) {
+ if (rss_info->enabled) {
+ *rss = cpu_to_le32(rss_info->hash);
+ trace_igb_rx_metadata_rss(*rss);
+ }
+ } else if (hasip4) {
+ *status_flags |= E1000_RXD_STAT_IPIDV;
+ *ip_id = cpu_to_le16(net_rx_pkt_get_ip_id(pkt));
+ trace_e1000e_rx_metadata_ip_id(*ip_id);
+ }
+
+ if (l4hdr_proto == ETH_L4_HDR_PROTO_TCP && net_rx_pkt_is_tcp_ack(pkt)) {
+ *status_flags |= E1000_RXD_STAT_ACK;
+ trace_e1000e_rx_metadata_ack();
+ }
+
+ if (hasip6 && (core->mac[RFCTL] & E1000_RFCTL_IPV6_DIS)) {
+ trace_e1000e_rx_metadata_ipv6_filtering_disabled();
+ pkt_type = E1000_RXD_PKT_MAC;
+ } else if (l4hdr_proto == ETH_L4_HDR_PROTO_TCP ||
+ l4hdr_proto == ETH_L4_HDR_PROTO_UDP) {
+ pkt_type = hasip4 ? E1000_RXD_PKT_IP4_XDP : E1000_RXD_PKT_IP6_XDP;
+ } else if (hasip4 || hasip6) {
+ pkt_type = hasip4 ? E1000_RXD_PKT_IP4 : E1000_RXD_PKT_IP6;
+ } else {
+ pkt_type = E1000_RXD_PKT_MAC;
+ }
+
+ trace_e1000e_rx_metadata_pkt_type(pkt_type);
+
+ if (pkt_info) {
+ if (rss_info->enabled) {
+ *pkt_info = rss_info->type;
+ }
+
+ *pkt_info |= (pkt_type << 4);
+ } else {
+ *status_flags |= E1000_RXD_PKT_TYPE(pkt_type);
+ }
+
+ if (hdr_info) {
+ *hdr_info = 0;
+ }
+
+ /* RX CSO information */
+ if (hasip6 && (core->mac[RFCTL] & E1000_RFCTL_IPV6_XSUM_DIS)) {
+ trace_e1000e_rx_metadata_ipv6_sum_disabled();
+ goto func_exit;
+ }
+
+ vhdr = net_rx_pkt_get_vhdr(pkt);
+
+ if (!(vhdr->flags & VIRTIO_NET_HDR_F_DATA_VALID) &&
+ !(vhdr->flags & VIRTIO_NET_HDR_F_NEEDS_CSUM)) {
+ trace_e1000e_rx_metadata_virthdr_no_csum_info();
+ igb_verify_csum_in_sw(core, pkt, status_flags, l4hdr_proto);
+ goto func_exit;
+ }
+
+ if (igb_rx_l3_cso_enabled(core)) {
+ *status_flags |= hasip4 ? E1000_RXD_STAT_IPCS : 0;
+ } else {
+ trace_e1000e_rx_metadata_l3_cso_disabled();
+ }
+
+ if (igb_rx_l4_cso_enabled(core)) {
+ switch (l4hdr_proto) {
+ case ETH_L4_HDR_PROTO_TCP:
+ *status_flags |= E1000_RXD_STAT_TCPCS;
+ break;
+
+ case ETH_L4_HDR_PROTO_UDP:
+ *status_flags |= E1000_RXD_STAT_TCPCS | E1000_RXD_STAT_UDPCS;
+ break;
+
+ default:
+ goto func_exit;
+ }
+ } else {
+ trace_e1000e_rx_metadata_l4_cso_disabled();
+ }
+
+ trace_e1000e_rx_metadata_status_flags(*status_flags);
+
+func_exit:
+ *status_flags = cpu_to_le32(*status_flags);
+}
+
+static inline void
+igb_write_lgcy_rx_descr(IGBCore *core, struct e1000_rx_desc *desc,
+ struct NetRxPkt *pkt,
+ const E1000E_RSSInfo *rss_info,
+ uint16_t length)
+{
+ uint32_t status_flags, rss;
+ uint16_t ip_id;
+
+ assert(!rss_info->enabled);
+ desc->length = cpu_to_le16(length);
+ desc->csum = 0;
+
+ igb_build_rx_metadata(core, pkt, pkt != NULL,
+ rss_info,
+ NULL, NULL, &rss,
+ &status_flags, &ip_id,
+ &desc->special);
+ desc->errors = (uint8_t) (le32_to_cpu(status_flags) >> 24);
+ desc->status = (uint8_t) le32_to_cpu(status_flags);
+}
+
+static inline void
+igb_write_adv_rx_descr(IGBCore *core, union e1000_adv_rx_desc *desc,
+ struct NetRxPkt *pkt,
+ const E1000E_RSSInfo *rss_info,
+ uint16_t length)
+{
+ memset(&desc->wb, 0, sizeof(desc->wb));
+
+ desc->wb.upper.length = cpu_to_le16(length);
+
+ igb_build_rx_metadata(core, pkt, pkt != NULL,
+ rss_info,
+ &desc->wb.lower.lo_dword.pkt_info,
+ &desc->wb.lower.lo_dword.hdr_info,
+ &desc->wb.lower.hi_dword.rss,
+ &desc->wb.upper.status_error,
+ &desc->wb.lower.hi_dword.csum_ip.ip_id,
+ &desc->wb.upper.vlan);
+}
+
+static inline void
+igb_write_rx_descr(IGBCore *core, union e1000_rx_desc_union *desc,
+struct NetRxPkt *pkt, const E1000E_RSSInfo *rss_info, uint16_t length)
+{
+ if (igb_rx_use_legacy_descriptor(core)) {
+ igb_write_lgcy_rx_descr(core, &desc->legacy, pkt, rss_info, length);
+ } else {
+ igb_write_adv_rx_descr(core, &desc->adv, pkt, rss_info, length);
+ }
+}
+
+static inline void
+igb_pci_dma_write_rx_desc(IGBCore *core, PCIDevice *dev, dma_addr_t addr,
+ union e1000_rx_desc_union *desc, dma_addr_t len)
+{
+ if (igb_rx_use_legacy_descriptor(core)) {
+ struct e1000_rx_desc *d = &desc->legacy;
+ size_t offset = offsetof(struct e1000_rx_desc, status);
+ uint8_t status = d->status;
+
+ d->status &= ~E1000_RXD_STAT_DD;
+ pci_dma_write(dev, addr, desc, len);
+
+ if (status & E1000_RXD_STAT_DD) {
+ d->status = status;
+ pci_dma_write(dev, addr + offset, &status, sizeof(status));
+ }
+ } else {
+ union e1000_adv_rx_desc *d = &desc->adv;
+ size_t offset =
+ offsetof(union e1000_adv_rx_desc, wb.upper.status_error);
+ uint32_t status = d->wb.upper.status_error;
+
+ d->wb.upper.status_error &= ~E1000_RXD_STAT_DD;
+ pci_dma_write(dev, addr, desc, len);
+
+ if (status & E1000_RXD_STAT_DD) {
+ d->wb.upper.status_error = status;
+ pci_dma_write(dev, addr + offset, &status, sizeof(status));
+ }
+ }
+}
+
+static void
+igb_write_to_rx_buffers(IGBCore *core,
+ PCIDevice *d,
+ hwaddr ba,
+ uint16_t *written,
+ const char *data,
+ dma_addr_t data_len)
+{
+ trace_igb_rx_desc_buff_write(ba, *written, data, data_len);
+ pci_dma_write(d, ba + *written, data, data_len);
+ *written += data_len;
+}
+
+static void
+igb_update_rx_stats(IGBCore *core, size_t data_size, size_t data_fcs_size)
+{
+ e1000x_update_rx_total_stats(core->mac, data_size, data_fcs_size);
+
+ switch (net_rx_pkt_get_packet_type(core->rx_pkt)) {
+ case ETH_PKT_BCAST:
+ e1000x_inc_reg_if_not_full(core->mac, BPRC);
+ break;
+
+ case ETH_PKT_MCAST:
+ e1000x_inc_reg_if_not_full(core->mac, MPRC);
+ break;
+
+ default:
+ break;
+ }
+}
+
+static inline bool
+igb_rx_descr_threshold_hit(IGBCore *core, const E1000E_RingInfo *rxi)
+{
+ return igb_ring_free_descr_num(core, rxi) ==
+ ((core->mac[E1000_SRRCTL(rxi->idx) >> 2] >> 20) & 31) * 16;
+}
+
+static void
+igb_write_packet_to_guest(IGBCore *core, struct NetRxPkt *pkt,
+ const E1000E_RxRing *rxr,
+ const E1000E_RSSInfo *rss_info)
+{
+ PCIDevice *d;
+ dma_addr_t base;
+ union e1000_rx_desc_union desc;
+ size_t desc_size;
+ size_t desc_offset = 0;
+ size_t iov_ofs = 0;
+
+ struct iovec *iov = net_rx_pkt_get_iovec(pkt);
+ size_t size = net_rx_pkt_get_total_len(pkt);
+ size_t total_size = size + e1000x_fcs_len(core->mac);
+ const E1000E_RingInfo *rxi = rxr->i;
+ size_t bufsize = igb_rxbufsize(core, rxi);
+
+ d = pcie_sriov_get_vf_at_index(core->owner, rxi->idx % 8);
+ if (!d) {
+ d = core->owner;
+ }
+
+ do {
+ hwaddr ba;
+ uint16_t written = 0;
+ bool is_last = false;
+
+ desc_size = total_size - desc_offset;
+
+ if (desc_size > bufsize) {
+ desc_size = bufsize;
+ }
+
+ if (igb_ring_empty(core, rxi)) {
+ return;
+ }
+
+ base = igb_ring_head_descr(core, rxi);
+
+ pci_dma_read(d, base, &desc, core->rx_desc_len);
+
+ trace_e1000e_rx_descr(rxi->idx, base, core->rx_desc_len);
+
+ igb_read_rx_descr(core, &desc, &ba);
+
+ if (ba) {
+ if (desc_offset < size) {
+ static const uint32_t fcs_pad;
+ size_t iov_copy;
+ size_t copy_size = size - desc_offset;
+ if (copy_size > bufsize) {
+ copy_size = bufsize;
+ }
+
+ /* Copy packet payload */
+ while (copy_size) {
+ iov_copy = MIN(copy_size, iov->iov_len - iov_ofs);
+
+ igb_write_to_rx_buffers(core, d, ba, &written,
+ iov->iov_base + iov_ofs, iov_copy);
+
+ copy_size -= iov_copy;
+ iov_ofs += iov_copy;
+ if (iov_ofs == iov->iov_len) {
+ iov++;
+ iov_ofs = 0;
+ }
+ }
+
+ if (desc_offset + desc_size >= total_size) {
+ /* Simulate FCS checksum presence in the last descriptor */
+ igb_write_to_rx_buffers(core, d, ba, &written,
+ (const char *) &fcs_pad, e1000x_fcs_len(core->mac));
+ }
+ }
+ } else { /* as per intel docs; skip descriptors with null buf addr */
+ trace_e1000e_rx_null_descriptor();
+ }
+ desc_offset += desc_size;
+ if (desc_offset >= total_size) {
+ is_last = true;
+ }
+
+ igb_write_rx_descr(core, &desc, is_last ? core->rx_pkt : NULL,
+ rss_info, written);
+ igb_pci_dma_write_rx_desc(core, d, base, &desc, core->rx_desc_len);
+
+ igb_ring_advance(core, rxi, core->rx_desc_len / E1000_MIN_RX_DESC_LEN);
+
+ } while (desc_offset < total_size);
+
+ igb_update_rx_stats(core, size, total_size);
+}
+
+static inline void
+igb_rx_fix_l4_csum(IGBCore *core, struct NetRxPkt *pkt)
+{
+ struct virtio_net_hdr *vhdr = net_rx_pkt_get_vhdr(pkt);
+
+ if (vhdr->flags & VIRTIO_NET_HDR_F_NEEDS_CSUM) {
+ net_rx_pkt_fix_l4_csum(pkt);
+ }
+}
+
+ssize_t
+igb_receive_iov(IGBCore *core, const struct iovec *iov, int iovcnt)
+{
+ return igb_receive_internal(core, iov, iovcnt, core->has_vnet, NULL);
+}
+
+static ssize_t
+igb_receive_internal(IGBCore *core, const struct iovec *iov, int iovcnt,
+ bool has_vnet, bool *external_tx)
+{
+ static const int maximum_ethernet_hdr_len = (ETH_HLEN + 4);
+
+ uint16_t queues = 0;
+ uint32_t n = 0;
+ uint8_t min_buf[ETH_ZLEN];
+ struct iovec min_iov;
+ struct eth_header *ehdr;
+ uint8_t *filter_buf;
+ size_t size, orig_size;
+ size_t iov_ofs = 0;
+ E1000E_RxRing rxr;
+ E1000E_RSSInfo rss_info;
+ size_t total_size;
+ int i;
+
+ trace_e1000e_rx_receive_iov(iovcnt);
+
+ if (external_tx) {
+ *external_tx = true;
+ }
+
+ if (!e1000x_hw_rx_enabled(core->mac)) {
+ return -1;
+ }
+
+ /* Pull virtio header in */
+ if (has_vnet) {
+ net_rx_pkt_set_vhdr_iovec(core->rx_pkt, iov, iovcnt);
+ iov_ofs = sizeof(struct virtio_net_hdr);
+ } else {
+ net_rx_pkt_unset_vhdr(core->rx_pkt);
+ }
+
+ filter_buf = iov->iov_base + iov_ofs;
+ orig_size = iov_size(iov, iovcnt);
+ size = orig_size - iov_ofs;
+
+ /* Pad to minimum Ethernet frame length */
+ if (size < sizeof(min_buf)) {
+ iov_to_buf(iov, iovcnt, iov_ofs, min_buf, size);
+ memset(&min_buf[size], 0, sizeof(min_buf) - size);
+ e1000x_inc_reg_if_not_full(core->mac, RUC);
+ min_iov.iov_base = filter_buf = min_buf;
+ min_iov.iov_len = size = sizeof(min_buf);
+ iovcnt = 1;
+ iov = &min_iov;
+ iov_ofs = 0;
+ } else if (iov->iov_len < maximum_ethernet_hdr_len) {
+ /* This is very unlikely, but may happen. */
+ iov_to_buf(iov, iovcnt, iov_ofs, min_buf, maximum_ethernet_hdr_len);
+ filter_buf = min_buf;
+ }
+
+ /* Discard oversized packets if !LPE and !SBP. */
+ if (e1000x_is_oversized(core->mac, size)) {
+ return orig_size;
+ }
+
+ ehdr = PKT_GET_ETH_HDR(filter_buf);
+ net_rx_pkt_set_packet_type(core->rx_pkt, get_eth_packet_type(ehdr));
+
+ net_rx_pkt_attach_iovec_ex(core->rx_pkt, iov, iovcnt, iov_ofs,
+ e1000x_vlan_enabled(core->mac),
+ core->mac[VET] & 0xffff);
+
+ queues = igb_receive_assign(core, ehdr, &rss_info, external_tx);
+ if (!queues) {
+ trace_e1000e_rx_flt_dropped();
+ return orig_size;
+ }
+
+ total_size = net_rx_pkt_get_total_len(core->rx_pkt) +
+ e1000x_fcs_len(core->mac);
+
+ for (i = 0; i < IGB_NUM_QUEUES; i++) {
+ if (!(queues & BIT(i))) {
+ continue;
+ }
+
+ igb_rx_ring_init(core, &rxr, i);
+
+ if (!igb_has_rxbufs(core, rxr.i, total_size)) {
+ n |= E1000_ICS_RXO;
+ trace_e1000e_rx_not_written_to_guest(rxr.i->idx);
+ continue;
+ }
+
+ n |= E1000_ICR_RXT0;
+
+ igb_rx_fix_l4_csum(core, core->rx_pkt);
+ igb_write_packet_to_guest(core, core->rx_pkt, &rxr, &rss_info);
+
+ /* Check if receive descriptor minimum threshold hit */
+ if (igb_rx_descr_threshold_hit(core, rxr.i)) {
+ n |= E1000_ICS_RXDMT0;
+ }
+
+ core->mac[EICR] |= igb_rx_wb_eic(core, rxr.i->idx);
+
+ trace_e1000e_rx_written_to_guest(rxr.i->idx);
+ }
+
+ trace_e1000e_rx_interrupt_set(n);
+ igb_set_interrupt_cause(core, n);
+
+ return orig_size;
+}
+
+static inline bool
+igb_have_autoneg(IGBCore *core)
+{
+ return core->phy[MII_BMCR] & MII_BMCR_AUTOEN;
+}
+
+static void igb_update_flowctl_status(IGBCore *core)
+{
+ if (igb_have_autoneg(core) && core->phy[MII_BMSR] & MII_BMSR_AN_COMP) {
+ trace_e1000e_link_autoneg_flowctl(true);
+ core->mac[CTRL] |= E1000_CTRL_TFCE | E1000_CTRL_RFCE;
+ } else {
+ trace_e1000e_link_autoneg_flowctl(false);
+ }
+}
+
+static inline void
+igb_link_down(IGBCore *core)
+{
+ e1000x_update_regs_on_link_down(core->mac, core->phy);
+ igb_update_flowctl_status(core);
+}
+
+static inline void
+igb_set_phy_ctrl(IGBCore *core, uint16_t val)
+{
+ /* bits 0-5 reserved; MII_BMCR_[ANRESTART,RESET] are self clearing */
+ core->phy[MII_BMCR] = val & ~(0x3f | MII_BMCR_RESET | MII_BMCR_ANRESTART);
+
+ if ((val & MII_BMCR_ANRESTART) && igb_have_autoneg(core)) {
+ e1000x_restart_autoneg(core->mac, core->phy, core->autoneg_timer);
+ }
+}
+
+void igb_core_set_link_status(IGBCore *core)
+{
+ NetClientState *nc = qemu_get_queue(core->owner_nic);
+ uint32_t old_status = core->mac[STATUS];
+
+ trace_e1000e_link_status_changed(nc->link_down ? false : true);
+
+ if (nc->link_down) {
+ e1000x_update_regs_on_link_down(core->mac, core->phy);
+ } else {
+ if (igb_have_autoneg(core) &&
+ !(core->phy[MII_BMSR] & MII_BMSR_AN_COMP)) {
+ e1000x_restart_autoneg(core->mac, core->phy,
+ core->autoneg_timer);
+ } else {
+ e1000x_update_regs_on_link_up(core->mac, core->phy);
+ igb_start_recv(core);
+ }
+ }
+
+ if (core->mac[STATUS] != old_status) {
+ igb_set_interrupt_cause(core, E1000_ICR_LSC);
+ }
+}
+
+static void
+igb_set_ctrl(IGBCore *core, int index, uint32_t val)
+{
+ trace_e1000e_core_ctrl_write(index, val);
+
+ /* RST is self clearing */
+ core->mac[CTRL] = val & ~E1000_CTRL_RST;
+ core->mac[CTRL_DUP] = core->mac[CTRL];
+
+ trace_e1000e_link_set_params(
+ !!(val & E1000_CTRL_ASDE),
+ (val & E1000_CTRL_SPD_SEL) >> E1000_CTRL_SPD_SHIFT,
+ !!(val & E1000_CTRL_FRCSPD),
+ !!(val & E1000_CTRL_FRCDPX),
+ !!(val & E1000_CTRL_RFCE),
+ !!(val & E1000_CTRL_TFCE));
+
+ if (val & E1000_CTRL_RST) {
+ trace_e1000e_core_ctrl_sw_reset();
+ igb_reset(core, true);
+ }
+
+ if (val & E1000_CTRL_PHY_RST) {
+ trace_e1000e_core_ctrl_phy_reset();
+ core->mac[STATUS] |= E1000_STATUS_PHYRA;
+ }
+}
+
+static void
+igb_set_rfctl(IGBCore *core, int index, uint32_t val)
+{
+ trace_e1000e_rx_set_rfctl(val);
+
+ if (!(val & E1000_RFCTL_ISCSI_DIS)) {
+ trace_e1000e_wrn_iscsi_filtering_not_supported();
+ }
+
+ if (!(val & E1000_RFCTL_NFSW_DIS)) {
+ trace_e1000e_wrn_nfsw_filtering_not_supported();
+ }
+
+ if (!(val & E1000_RFCTL_NFSR_DIS)) {
+ trace_e1000e_wrn_nfsr_filtering_not_supported();
+ }
+
+ core->mac[RFCTL] = val;
+}
+
+static void
+igb_calc_rxdesclen(IGBCore *core)
+{
+ if (igb_rx_use_legacy_descriptor(core)) {
+ core->rx_desc_len = sizeof(struct e1000_rx_desc);
+ } else {
+ core->rx_desc_len = sizeof(union e1000_adv_rx_desc);
+ }
+ trace_e1000e_rx_desc_len(core->rx_desc_len);
+}
+
+static void
+igb_set_rx_control(IGBCore *core, int index, uint32_t val)
+{
+ core->mac[RCTL] = val;
+ trace_e1000e_rx_set_rctl(core->mac[RCTL]);
+
+ if (val & E1000_RCTL_DTYP_MASK) {
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "igb: RCTL.DTYP must be zero for compatibility");
+ }
+
+ if (val & E1000_RCTL_EN) {
+ igb_calc_rxdesclen(core);
+ igb_start_recv(core);
+ }
+}
+
+static inline void
+igb_clear_ims_bits(IGBCore *core, uint32_t bits)
+{
+ trace_e1000e_irq_clear_ims(bits, core->mac[IMS], core->mac[IMS] & ~bits);
+ core->mac[IMS] &= ~bits;
+}
+
+static inline bool
+igb_postpone_interrupt(IGBIntrDelayTimer *timer)
+{
+ if (timer->running) {
+ trace_e1000e_irq_postponed_by_xitr(timer->delay_reg << 2);
+
+ return true;
+ }
+
+ if (timer->core->mac[timer->delay_reg] != 0) {
+ igb_intrmgr_rearm_timer(timer);
+ }
+
+ return false;
+}
+
+static inline bool
+igb_eitr_should_postpone(IGBCore *core, int idx)
+{
+ return igb_postpone_interrupt(&core->eitr[idx]);
+}
+
+static void igb_send_msix(IGBCore *core)
+{
+ uint32_t causes = core->mac[EICR] & core->mac[EIMS];
+ uint32_t effective_eiac;
+ int vector;
+
+ for (vector = 0; vector < IGB_INTR_NUM; ++vector) {
+ if ((causes & BIT(vector)) && !igb_eitr_should_postpone(core, vector)) {
+
+ trace_e1000e_irq_msix_notify_vec(vector);
+ igb_msix_notify(core, vector);
+
+ trace_e1000e_irq_icr_clear_eiac(core->mac[EICR], core->mac[EIAC]);
+ effective_eiac = core->mac[EIAC] & BIT(vector);
+ core->mac[EICR] &= ~effective_eiac;
+ }
+ }
+}
+
+static inline void
+igb_fix_icr_asserted(IGBCore *core)
+{
+ core->mac[ICR] &= ~E1000_ICR_ASSERTED;
+ if (core->mac[ICR]) {
+ core->mac[ICR] |= E1000_ICR_ASSERTED;
+ }
+
+ trace_e1000e_irq_fix_icr_asserted(core->mac[ICR]);
+}
+
+static void
+igb_update_interrupt_state(IGBCore *core)
+{
+ uint32_t icr;
+ uint32_t causes;
+ uint32_t int_alloc;
+
+ icr = core->mac[ICR] & core->mac[IMS];
+
+ if (msix_enabled(core->owner)) {
+ if (icr) {
+ causes = 0;
+ if (icr & E1000_ICR_DRSTA) {
+ int_alloc = core->mac[IVAR_MISC] & 0xff;
+ if (int_alloc & E1000_IVAR_VALID) {
+ causes |= BIT(int_alloc & 0x1f);
+ }
+ }
+ /* Check if other bits (excluding the TCP Timer) are enabled. */
+ if (icr & ~E1000_ICR_DRSTA) {
+ int_alloc = (core->mac[IVAR_MISC] >> 8) & 0xff;
+ if (int_alloc & E1000_IVAR_VALID) {
+ causes |= BIT(int_alloc & 0x1f);
+ }
+ trace_e1000e_irq_add_msi_other(core->mac[EICR]);
+ }
+ core->mac[EICR] |= causes;
+ }
+
+ if ((core->mac[EICR] & core->mac[EIMS])) {
+ igb_send_msix(core);
+ }
+ } else {
+ igb_fix_icr_asserted(core);
+
+ if (icr) {
+ core->mac[EICR] |= (icr & E1000_ICR_DRSTA) | E1000_EICR_OTHER;
+ } else {
+ core->mac[EICR] &= ~E1000_EICR_OTHER;
+ }
+
+ trace_e1000e_irq_pending_interrupts(core->mac[ICR] & core->mac[IMS],
+ core->mac[ICR], core->mac[IMS]);
+
+ if (msi_enabled(core->owner)) {
+ if (icr) {
+ msi_notify(core->owner, 0);
+ }
+ } else {
+ if (icr) {
+ igb_raise_legacy_irq(core);
+ } else {
+ igb_lower_legacy_irq(core);
+ }
+ }
+ }
+}
+
+static void
+igb_set_interrupt_cause(IGBCore *core, uint32_t val)
+{
+ trace_e1000e_irq_set_cause_entry(val, core->mac[ICR]);
+
+ core->mac[ICR] |= val;
+
+ trace_e1000e_irq_set_cause_exit(val, core->mac[ICR]);
+
+ igb_update_interrupt_state(core);
+}
+
+static void igb_set_eics(IGBCore *core, int index, uint32_t val)
+{
+ bool msix = !!(core->mac[GPIE] & E1000_GPIE_MSIX_MODE);
+
+ trace_igb_irq_write_eics(val, msix);
+
+ core->mac[EICS] |=
+ val & (msix ? E1000_EICR_MSIX_MASK : E1000_EICR_LEGACY_MASK);
+
+ /*
+ * TODO: Move to igb_update_interrupt_state if EICS is modified in other
+ * places.
+ */
+ core->mac[EICR] = core->mac[EICS];
+
+ igb_update_interrupt_state(core);
+}
+
+static void igb_set_eims(IGBCore *core, int index, uint32_t val)
+{
+ bool msix = !!(core->mac[GPIE] & E1000_GPIE_MSIX_MODE);
+
+ trace_igb_irq_write_eims(val, msix);
+
+ core->mac[EIMS] |=
+ val & (msix ? E1000_EICR_MSIX_MASK : E1000_EICR_LEGACY_MASK);
+
+ igb_update_interrupt_state(core);
+}
+
+static void igb_vf_reset(IGBCore *core, uint16_t vfn)
+{
+ /* TODO: Reset of the queue enable and the interrupt registers of the VF. */
+
+ core->mac[V2PMAILBOX0 + vfn] &= ~E1000_V2PMAILBOX_RSTI;
+ core->mac[V2PMAILBOX0 + vfn] = E1000_V2PMAILBOX_RSTD;
+}
+
+static void mailbox_interrupt_to_vf(IGBCore *core, uint16_t vfn)
+{
+ uint32_t ent = core->mac[VTIVAR_MISC + vfn];
+
+ if ((ent & E1000_IVAR_VALID)) {
+ core->mac[EICR] |= (ent & 0x3) << (22 - vfn * IGBVF_MSIX_VEC_NUM);
+ igb_update_interrupt_state(core);
+ }
+}
+
+static void mailbox_interrupt_to_pf(IGBCore *core)
+{
+ igb_set_interrupt_cause(core, E1000_ICR_VMMB);
+}
+
+static void igb_set_pfmailbox(IGBCore *core, int index, uint32_t val)
+{
+ uint16_t vfn = index - P2VMAILBOX0;
+
+ trace_igb_set_pfmailbox(vfn, val);
+
+ if (val & E1000_P2VMAILBOX_STS) {
+ core->mac[V2PMAILBOX0 + vfn] |= E1000_V2PMAILBOX_PFSTS;
+ mailbox_interrupt_to_vf(core, vfn);
+ }
+
+ if (val & E1000_P2VMAILBOX_ACK) {
+ core->mac[V2PMAILBOX0 + vfn] |= E1000_V2PMAILBOX_PFACK;
+ mailbox_interrupt_to_vf(core, vfn);
+ }
+
+ /* Buffer Taken by PF (can be set only if the VFU is cleared). */
+ if (val & E1000_P2VMAILBOX_PFU) {
+ if (!(core->mac[index] & E1000_P2VMAILBOX_VFU)) {
+ core->mac[index] |= E1000_P2VMAILBOX_PFU;
+ core->mac[V2PMAILBOX0 + vfn] |= E1000_V2PMAILBOX_PFU;
+ }
+ } else {
+ core->mac[index] &= ~E1000_P2VMAILBOX_PFU;
+ core->mac[V2PMAILBOX0 + vfn] &= ~E1000_V2PMAILBOX_PFU;
+ }
+
+ if (val & E1000_P2VMAILBOX_RVFU) {
+ core->mac[V2PMAILBOX0 + vfn] &= ~E1000_V2PMAILBOX_VFU;
+ core->mac[MBVFICR] &= ~((E1000_MBVFICR_VFACK_VF1 << vfn) |
+ (E1000_MBVFICR_VFREQ_VF1 << vfn));
+ }
+}
+
+static void igb_set_vfmailbox(IGBCore *core, int index, uint32_t val)
+{
+ uint16_t vfn = index - V2PMAILBOX0;
+
+ trace_igb_set_vfmailbox(vfn, val);
+
+ if (val & E1000_V2PMAILBOX_REQ) {
+ core->mac[MBVFICR] |= E1000_MBVFICR_VFREQ_VF1 << vfn;
+ mailbox_interrupt_to_pf(core);
+ }
+
+ if (val & E1000_V2PMAILBOX_ACK) {
+ core->mac[MBVFICR] |= E1000_MBVFICR_VFACK_VF1 << vfn;
+ mailbox_interrupt_to_pf(core);
+ }
+
+ /* Buffer Taken by VF (can be set only if the PFU is cleared). */
+ if (val & E1000_V2PMAILBOX_VFU) {
+ if (!(core->mac[index] & E1000_V2PMAILBOX_PFU)) {
+ core->mac[index] |= E1000_V2PMAILBOX_VFU;
+ core->mac[P2VMAILBOX0 + vfn] |= E1000_P2VMAILBOX_VFU;
+ }
+ } else {
+ core->mac[index] &= ~E1000_V2PMAILBOX_VFU;
+ core->mac[P2VMAILBOX0 + vfn] &= ~E1000_P2VMAILBOX_VFU;
+ }
+}
+
+static void igb_w1c(IGBCore *core, int index, uint32_t val)
+{
+ core->mac[index] &= ~val;
+}
+
+static void igb_set_eimc(IGBCore *core, int index, uint32_t val)
+{
+ bool msix = !!(core->mac[GPIE] & E1000_GPIE_MSIX_MODE);
+
+ /* Interrupts are disabled via a write to EIMC and reflected in EIMS. */
+ core->mac[EIMS] &=
+ ~(val & (msix ? E1000_EICR_MSIX_MASK : E1000_EICR_LEGACY_MASK));
+
+ trace_igb_irq_write_eimc(val, core->mac[EIMS], msix);
+ igb_update_interrupt_state(core);
+}
+
+static void igb_set_eiac(IGBCore *core, int index, uint32_t val)
+{
+ bool msix = !!(core->mac[GPIE] & E1000_GPIE_MSIX_MODE);
+
+ if (msix) {
+ trace_igb_irq_write_eiac(val);
+
+ /*
+ * TODO: When using IOV, the bits that correspond to MSI-X vectors
+ * that are assigned to a VF are read-only.
+ */
+ core->mac[EIAC] |= (val & E1000_EICR_MSIX_MASK);
+ }
+}
+
+static void igb_set_eiam(IGBCore *core, int index, uint32_t val)
+{
+ bool msix = !!(core->mac[GPIE] & E1000_GPIE_MSIX_MODE);
+
+ /*
+ * TODO: When using IOV, the bits that correspond to MSI-X vectors that
+ * are assigned to a VF are read-only.
+ */
+ core->mac[EIAM] |=
+ ~(val & (msix ? E1000_EICR_MSIX_MASK : E1000_EICR_LEGACY_MASK));
+
+ trace_igb_irq_write_eiam(val, msix);
+}
+
+static void igb_set_eicr(IGBCore *core, int index, uint32_t val)
+{
+ bool msix = !!(core->mac[GPIE] & E1000_GPIE_MSIX_MODE);
+
+ /*
+ * TODO: In IOV mode, only bit zero of this vector is available for the PF
+ * function.
+ */
+ core->mac[EICR] &=
+ ~(val & (msix ? E1000_EICR_MSIX_MASK : E1000_EICR_LEGACY_MASK));
+
+ trace_igb_irq_write_eicr(val, msix);
+ igb_update_interrupt_state(core);
+}
+
+static void igb_set_vtctrl(IGBCore *core, int index, uint32_t val)
+{
+ uint16_t vfn;
+
+ if (val & E1000_CTRL_RST) {
+ vfn = (index - PVTCTRL0) / 0x40;
+ igb_vf_reset(core, vfn);
+ }
+}
+
+static void igb_set_vteics(IGBCore *core, int index, uint32_t val)
+{
+ uint16_t vfn = (index - PVTEICS0) / 0x40;
+
+ core->mac[index] = val;
+ igb_set_eics(core, EICS, (val & 0x7) << (22 - vfn * IGBVF_MSIX_VEC_NUM));
+}
+
+static void igb_set_vteims(IGBCore *core, int index, uint32_t val)
+{
+ uint16_t vfn = (index - PVTEIMS0) / 0x40;
+
+ core->mac[index] = val;
+ igb_set_eims(core, EIMS, (val & 0x7) << (22 - vfn * IGBVF_MSIX_VEC_NUM));
+}
+
+static void igb_set_vteimc(IGBCore *core, int index, uint32_t val)
+{
+ uint16_t vfn = (index - PVTEIMC0) / 0x40;
+
+ core->mac[index] = val;
+ igb_set_eimc(core, EIMC, (val & 0x7) << (22 - vfn * IGBVF_MSIX_VEC_NUM));
+}
+
+static void igb_set_vteiac(IGBCore *core, int index, uint32_t val)
+{
+ uint16_t vfn = (index - PVTEIAC0) / 0x40;
+
+ core->mac[index] = val;
+ igb_set_eiac(core, EIAC, (val & 0x7) << (22 - vfn * IGBVF_MSIX_VEC_NUM));
+}
+
+static void igb_set_vteiam(IGBCore *core, int index, uint32_t val)
+{
+ uint16_t vfn = (index - PVTEIAM0) / 0x40;
+
+ core->mac[index] = val;
+ igb_set_eiam(core, EIAM, (val & 0x7) << (22 - vfn * IGBVF_MSIX_VEC_NUM));
+}
+
+static void igb_set_vteicr(IGBCore *core, int index, uint32_t val)
+{
+ uint16_t vfn = (index - PVTEICR0) / 0x40;
+
+ core->mac[index] = val;
+ igb_set_eicr(core, EICR, (val & 0x7) << (22 - vfn * IGBVF_MSIX_VEC_NUM));
+}
+
+static void igb_set_vtivar(IGBCore *core, int index, uint32_t val)
+{
+ uint16_t vfn = (index - VTIVAR);
+ uint16_t qn = vfn;
+ uint8_t ent;
+ int n;
+
+ core->mac[index] = val;
+
+ /* Get assigned vector associated with queue Rx#0. */
+ if ((val & E1000_IVAR_VALID)) {
+ n = igb_ivar_entry_rx(qn);
+ ent = E1000_IVAR_VALID | (24 - vfn * IGBVF_MSIX_VEC_NUM - (2 - (val & 0x7)));
+ core->mac[IVAR0 + n / 4] |= ent << 8 * (n % 4);
+ }
+
+ /* Get assigned vector associated with queue Tx#0 */
+ ent = val >> 8;
+ if ((ent & E1000_IVAR_VALID)) {
+ n = igb_ivar_entry_tx(qn);
+ ent = E1000_IVAR_VALID | (24 - vfn * IGBVF_MSIX_VEC_NUM - (2 - (ent & 0x7)));
+ core->mac[IVAR0 + n / 4] |= ent << 8 * (n % 4);
+ }
+
+ /*
+ * Ignoring assigned vectors associated with queues Rx#1 and Tx#1 for now.
+ */
+}
+
+static inline void
+igb_autoneg_timer(void *opaque)
+{
+ IGBCore *core = opaque;
+ if (!qemu_get_queue(core->owner_nic)->link_down) {
+ e1000x_update_regs_on_autoneg_done(core->mac, core->phy);
+ igb_start_recv(core);
+
+ igb_update_flowctl_status(core);
+ /* signal link status change to the guest */
+ igb_set_interrupt_cause(core, E1000_ICR_LSC);
+ }
+}
+
+static inline uint16_t
+igb_get_reg_index_with_offset(const uint16_t *mac_reg_access, hwaddr addr)
+{
+ uint16_t index = (addr & 0x1ffff) >> 2;
+ return index + (mac_reg_access[index] & 0xfffe);
+}
+
+static const char igb_phy_regcap[MAX_PHY_REG_ADDRESS + 1] = {
+ [MII_BMCR] = PHY_RW,
+ [MII_BMSR] = PHY_R,
+ [MII_PHYID1] = PHY_R,
+ [MII_PHYID2] = PHY_R,
+ [MII_ANAR] = PHY_RW,
+ [MII_ANLPAR] = PHY_R,
+ [MII_ANER] = PHY_R,
+ [MII_ANNP] = PHY_RW,
+ [MII_ANLPRNP] = PHY_R,
+ [MII_CTRL1000] = PHY_RW,
+ [MII_STAT1000] = PHY_R,
+ [MII_EXTSTAT] = PHY_R,
+
+ [IGP01E1000_PHY_PORT_CONFIG] = PHY_RW,
+ [IGP01E1000_PHY_PORT_STATUS] = PHY_R,
+ [IGP01E1000_PHY_PORT_CTRL] = PHY_RW,
+ [IGP01E1000_PHY_LINK_HEALTH] = PHY_R,
+ [IGP02E1000_PHY_POWER_MGMT] = PHY_RW,
+ [IGP01E1000_PHY_PAGE_SELECT] = PHY_W
+};
+
+static void
+igb_phy_reg_write(IGBCore *core, uint32_t addr, uint16_t data)
+{
+ assert(addr <= MAX_PHY_REG_ADDRESS);
+
+ if (addr == MII_BMCR) {
+ igb_set_phy_ctrl(core, data);
+ } else {
+ core->phy[addr] = data;
+ }
+}
+
+static void
+igb_set_mdic(IGBCore *core, int index, uint32_t val)
+{
+ uint32_t data = val & E1000_MDIC_DATA_MASK;
+ uint32_t addr = ((val & E1000_MDIC_REG_MASK) >> E1000_MDIC_REG_SHIFT);
+
+ if ((val & E1000_MDIC_PHY_MASK) >> E1000_MDIC_PHY_SHIFT != 1) { /* phy # */
+ val = core->mac[MDIC] | E1000_MDIC_ERROR;
+ } else if (val & E1000_MDIC_OP_READ) {
+ if (!(igb_phy_regcap[addr] & PHY_R)) {
+ trace_igb_core_mdic_read_unhandled(addr);
+ val |= E1000_MDIC_ERROR;
+ } else {
+ val = (val ^ data) | core->phy[addr];
+ trace_igb_core_mdic_read(addr, val);
+ }
+ } else if (val & E1000_MDIC_OP_WRITE) {
+ if (!(igb_phy_regcap[addr] & PHY_W)) {
+ trace_igb_core_mdic_write_unhandled(addr);
+ val |= E1000_MDIC_ERROR;
+ } else {
+ trace_igb_core_mdic_write(addr, data);
+ igb_phy_reg_write(core, addr, data);
+ }
+ }
+ core->mac[MDIC] = val | E1000_MDIC_READY;
+
+ if (val & E1000_MDIC_INT_EN) {
+ igb_set_interrupt_cause(core, E1000_ICR_MDAC);
+ }
+}
+
+static void
+igb_set_rdt(IGBCore *core, int index, uint32_t val)
+{
+ core->mac[index] = val & 0xffff;
+ trace_e1000e_rx_set_rdt(igb_mq_queue_idx(RDT0, index), val);
+ igb_start_recv(core);
+}
+
+static void
+igb_set_status(IGBCore *core, int index, uint32_t val)
+{
+ if ((val & E1000_STATUS_PHYRA) == 0) {
+ core->mac[index] &= ~E1000_STATUS_PHYRA;
+ }
+}
+
+static void
+igb_set_ctrlext(IGBCore *core, int index, uint32_t val)
+{
+ trace_e1000e_link_set_ext_params(!!(val & E1000_CTRL_EXT_ASDCHK),
+ !!(val & E1000_CTRL_EXT_SPD_BYPS));
+
+ /* TODO: PFRSTD */
+
+ /* Zero self-clearing bits */
+ val &= ~(E1000_CTRL_EXT_ASDCHK | E1000_CTRL_EXT_EE_RST);
+ core->mac[CTRL_EXT] = val;
+}
+
+static void
+igb_set_pbaclr(IGBCore *core, int index, uint32_t val)
+{
+ int i;
+
+ core->mac[PBACLR] = val & E1000_PBACLR_VALID_MASK;
+
+ if (!msix_enabled(core->owner)) {
+ return;
+ }
+
+ for (i = 0; i < IGB_INTR_NUM; i++) {
+ if (core->mac[PBACLR] & BIT(i)) {
+ msix_clr_pending(core->owner, i);
+ }
+ }
+}
+
+static void
+igb_set_fcrth(IGBCore *core, int index, uint32_t val)
+{
+ core->mac[FCRTH] = val & 0xFFF8;
+}
+
+static void
+igb_set_fcrtl(IGBCore *core, int index, uint32_t val)
+{
+ core->mac[FCRTL] = val & 0x8000FFF8;
+}
+
+#define IGB_LOW_BITS_SET_FUNC(num) \
+ static void \
+ igb_set_##num##bit(IGBCore *core, int index, uint32_t val) \
+ { \
+ core->mac[index] = val & (BIT(num) - 1); \
+ }
+
+IGB_LOW_BITS_SET_FUNC(4)
+IGB_LOW_BITS_SET_FUNC(13)
+IGB_LOW_BITS_SET_FUNC(16)
+
+static void
+igb_set_dlen(IGBCore *core, int index, uint32_t val)
+{
+ core->mac[index] = val & 0xffff0;
+}
+
+static void
+igb_set_dbal(IGBCore *core, int index, uint32_t val)
+{
+ core->mac[index] = val & E1000_XDBAL_MASK;
+}
+
+static void
+igb_set_tdt(IGBCore *core, int index, uint32_t val)
+{
+ IGB_TxRing txr;
+ int qn = igb_mq_queue_idx(TDT0, index);
+
+ core->mac[index] = val & 0xffff;
+
+ igb_tx_ring_init(core, &txr, qn);
+ igb_start_xmit(core, &txr);
+}
+
+static void
+igb_set_ics(IGBCore *core, int index, uint32_t val)
+{
+ trace_e1000e_irq_write_ics(val);
+ igb_set_interrupt_cause(core, val);
+}
+
+static void
+igb_set_imc(IGBCore *core, int index, uint32_t val)
+{
+ trace_e1000e_irq_ims_clear_set_imc(val);
+ igb_clear_ims_bits(core, val);
+ igb_update_interrupt_state(core);
+}
+
+static void
+igb_set_ims(IGBCore *core, int index, uint32_t val)
+{
+ uint32_t valid_val = val & 0x77D4FBFD;
+
+ trace_e1000e_irq_set_ims(val, core->mac[IMS], core->mac[IMS] | valid_val);
+ core->mac[IMS] |= valid_val;
+ igb_update_interrupt_state(core);
+}
+
+static void igb_commit_icr(IGBCore *core)
+{
+ /*
+ * If GPIE.NSICR = 0, then the copy of IAM to IMS will occur only if at
+ * least one bit is set in the IMS and there is a true interrupt as
+ * reflected in ICR.INTA.
+ */
+ if ((core->mac[GPIE] & E1000_GPIE_NSICR) ||
+ (core->mac[IMS] && (core->mac[ICR] & E1000_ICR_INT_ASSERTED))) {
+ igb_set_ims(core, IMS, core->mac[IAM]);
+ } else {
+ igb_update_interrupt_state(core);
+ }
+}
+
+static void igb_set_icr(IGBCore *core, int index, uint32_t val)
+{
+ uint32_t icr = core->mac[ICR] & ~val;
+
+ trace_igb_irq_icr_write(val, core->mac[ICR], icr);
+ core->mac[ICR] = icr;
+ igb_commit_icr(core);
+}
+
+static uint32_t
+igb_mac_readreg(IGBCore *core, int index)
+{
+ return core->mac[index];
+}
+
+static uint32_t
+igb_mac_ics_read(IGBCore *core, int index)
+{
+ trace_e1000e_irq_read_ics(core->mac[ICS]);
+ return core->mac[ICS];
+}
+
+static uint32_t
+igb_mac_ims_read(IGBCore *core, int index)
+{
+ trace_e1000e_irq_read_ims(core->mac[IMS]);
+ return core->mac[IMS];
+}
+
+static uint32_t
+igb_mac_swsm_read(IGBCore *core, int index)
+{
+ uint32_t val = core->mac[SWSM];
+ core->mac[SWSM] = val | E1000_SWSM_SMBI;
+ return val;
+}
+
+static uint32_t
+igb_mac_eitr_read(IGBCore *core, int index)
+{
+ return core->eitr_guest_value[index - EITR0];
+}
+
+static uint32_t igb_mac_vfmailbox_read(IGBCore *core, int index)
+{
+ uint32_t val = core->mac[index];
+
+ core->mac[index] &= ~(E1000_V2PMAILBOX_PFSTS | E1000_V2PMAILBOX_PFACK |
+ E1000_V2PMAILBOX_RSTD);
+
+ return val;
+}
+
+static uint32_t
+igb_mac_icr_read(IGBCore *core, int index)
+{
+ uint32_t ret = core->mac[ICR];
+ trace_e1000e_irq_icr_read_entry(ret);
+
+ if (core->mac[GPIE] & E1000_GPIE_NSICR) {
+ trace_igb_irq_icr_clear_gpie_nsicr();
+ core->mac[ICR] = 0;
+ } else if (core->mac[IMS] == 0) {
+ trace_e1000e_irq_icr_clear_zero_ims();
+ core->mac[ICR] = 0;
+ } else if (!msix_enabled(core->owner)) {
+ trace_e1000e_irq_icr_clear_nonmsix_icr_read();
+ core->mac[ICR] = 0;
+ }
+
+ trace_e1000e_irq_icr_read_exit(core->mac[ICR]);
+ igb_commit_icr(core);
+ return ret;
+}
+
+static uint32_t
+igb_mac_read_clr4(IGBCore *core, int index)
+{
+ uint32_t ret = core->mac[index];
+
+ core->mac[index] = 0;
+ return ret;
+}
+
+static uint32_t
+igb_mac_read_clr8(IGBCore *core, int index)
+{
+ uint32_t ret = core->mac[index];
+
+ core->mac[index] = 0;
+ core->mac[index - 1] = 0;
+ return ret;
+}
+
+static uint32_t
+igb_get_ctrl(IGBCore *core, int index)
+{
+ uint32_t val = core->mac[CTRL];
+
+ trace_e1000e_link_read_params(
+ !!(val & E1000_CTRL_ASDE),
+ (val & E1000_CTRL_SPD_SEL) >> E1000_CTRL_SPD_SHIFT,
+ !!(val & E1000_CTRL_FRCSPD),
+ !!(val & E1000_CTRL_FRCDPX),
+ !!(val & E1000_CTRL_RFCE),
+ !!(val & E1000_CTRL_TFCE));
+
+ return val;
+}
+
+static uint32_t igb_get_status(IGBCore *core, int index)
+{
+ uint32_t res = core->mac[STATUS];
+ uint16_t num_vfs = pcie_sriov_num_vfs(core->owner);
+
+ if (core->mac[CTRL] & E1000_CTRL_FRCDPX) {
+ res |= (core->mac[CTRL] & E1000_CTRL_FD) ? E1000_STATUS_FD : 0;
+ } else {
+ res |= E1000_STATUS_FD;
+ }
+
+ if ((core->mac[CTRL] & E1000_CTRL_FRCSPD) ||
+ (core->mac[CTRL_EXT] & E1000_CTRL_EXT_SPD_BYPS)) {
+ switch (core->mac[CTRL] & E1000_CTRL_SPD_SEL) {
+ case E1000_CTRL_SPD_10:
+ res |= E1000_STATUS_SPEED_10;
+ break;
+ case E1000_CTRL_SPD_100:
+ res |= E1000_STATUS_SPEED_100;
+ break;
+ case E1000_CTRL_SPD_1000:
+ default:
+ res |= E1000_STATUS_SPEED_1000;
+ break;
+ }
+ } else {
+ res |= E1000_STATUS_SPEED_1000;
+ }
+
+ if (num_vfs) {
+ res |= num_vfs << E1000_STATUS_NUM_VFS_SHIFT;
+ res |= E1000_STATUS_IOV_MODE;
+ }
+
+ /*
+ * Windows driver 12.18.9.23 resets if E1000_STATUS_GIO_MASTER_ENABLE is
+ * left set after E1000_CTRL_LRST is set.
+ */
+ if (!(core->mac[CTRL] & E1000_CTRL_GIO_MASTER_DISABLE) &&
+ !(core->mac[CTRL] & E1000_CTRL_LRST)) {
+ res |= E1000_STATUS_GIO_MASTER_ENABLE;
+ }
+
+ return res;
+}
+
+static void
+igb_mac_writereg(IGBCore *core, int index, uint32_t val)
+{
+ core->mac[index] = val;
+}
+
+static void
+igb_mac_setmacaddr(IGBCore *core, int index, uint32_t val)
+{
+ uint32_t macaddr[2];
+
+ core->mac[index] = val;
+
+ macaddr[0] = cpu_to_le32(core->mac[RA]);
+ macaddr[1] = cpu_to_le32(core->mac[RA + 1]);
+ qemu_format_nic_info_str(qemu_get_queue(core->owner_nic),
+ (uint8_t *) macaddr);
+
+ trace_e1000e_mac_set_sw(MAC_ARG(macaddr));
+}
+
+static void
+igb_set_eecd(IGBCore *core, int index, uint32_t val)
+{
+ static const uint32_t ro_bits = E1000_EECD_PRES |
+ E1000_EECD_AUTO_RD |
+ E1000_EECD_SIZE_EX_MASK;
+
+ core->mac[EECD] = (core->mac[EECD] & ro_bits) | (val & ~ro_bits);
+}
+
+static void
+igb_set_eerd(IGBCore *core, int index, uint32_t val)
+{
+ uint32_t addr = (val >> E1000_EERW_ADDR_SHIFT) & E1000_EERW_ADDR_MASK;
+ uint32_t flags = 0;
+ uint32_t data = 0;
+
+ if ((addr < IGB_EEPROM_SIZE) && (val & E1000_EERW_START)) {
+ data = core->eeprom[addr];
+ flags = E1000_EERW_DONE;
+ }
+
+ core->mac[EERD] = flags |
+ (addr << E1000_EERW_ADDR_SHIFT) |
+ (data << E1000_EERW_DATA_SHIFT);
+}
+
+static void
+igb_set_eitr(IGBCore *core, int index, uint32_t val)
+{
+ uint32_t eitr_num = index - EITR0;
+
+ trace_igb_irq_eitr_set(eitr_num, val);
+
+ core->eitr_guest_value[eitr_num] = val & ~E1000_EITR_CNT_IGNR;
+ core->mac[index] = val & 0x7FFE;
+}
+
+static void
+igb_update_rx_offloads(IGBCore *core)
+{
+ int cso_state = igb_rx_l4_cso_enabled(core);
+
+ trace_e1000e_rx_set_cso(cso_state);
+
+ if (core->has_vnet) {
+ qemu_set_offload(qemu_get_queue(core->owner_nic)->peer,
+ cso_state, 0, 0, 0, 0);
+ }
+}
+
+static void
+igb_set_rxcsum(IGBCore *core, int index, uint32_t val)
+{
+ core->mac[RXCSUM] = val;
+ igb_update_rx_offloads(core);
+}
+
+static void
+igb_set_gcr(IGBCore *core, int index, uint32_t val)
+{
+ uint32_t ro_bits = core->mac[GCR] & E1000_GCR_RO_BITS;
+ core->mac[GCR] = (val & ~E1000_GCR_RO_BITS) | ro_bits;
+}
+
+static uint32_t igb_get_systiml(IGBCore *core, int index)
+{
+ e1000x_timestamp(core->mac, core->timadj, SYSTIML, SYSTIMH);
+ return core->mac[SYSTIML];
+}
+
+static uint32_t igb_get_rxsatrh(IGBCore *core, int index)
+{
+ core->mac[TSYNCRXCTL] &= ~E1000_TSYNCRXCTL_VALID;
+ return core->mac[RXSATRH];
+}
+
+static uint32_t igb_get_txstmph(IGBCore *core, int index)
+{
+ core->mac[TSYNCTXCTL] &= ~E1000_TSYNCTXCTL_VALID;
+ return core->mac[TXSTMPH];
+}
+
+static void igb_set_timinca(IGBCore *core, int index, uint32_t val)
+{
+ e1000x_set_timinca(core->mac, &core->timadj, val);
+}
+
+static void igb_set_timadjh(IGBCore *core, int index, uint32_t val)
+{
+ core->mac[TIMADJH] = val;
+ core->timadj += core->mac[TIMADJL] | ((int64_t)core->mac[TIMADJH] << 32);
+}
+
+#define igb_getreg(x) [x] = igb_mac_readreg
+typedef uint32_t (*readops)(IGBCore *, int);
+static const readops igb_macreg_readops[] = {
+ igb_getreg(WUFC),
+ igb_getreg(MANC),
+ igb_getreg(TOTL),
+ igb_getreg(RDT0),
+ igb_getreg(RDT1),
+ igb_getreg(RDT2),
+ igb_getreg(RDT3),
+ igb_getreg(RDT4),
+ igb_getreg(RDT5),
+ igb_getreg(RDT6),
+ igb_getreg(RDT7),
+ igb_getreg(RDT8),
+ igb_getreg(RDT9),
+ igb_getreg(RDT10),
+ igb_getreg(RDT11),
+ igb_getreg(RDT12),
+ igb_getreg(RDT13),
+ igb_getreg(RDT14),
+ igb_getreg(RDT15),
+ igb_getreg(RDBAH0),
+ igb_getreg(RDBAH1),
+ igb_getreg(RDBAH2),
+ igb_getreg(RDBAH3),
+ igb_getreg(RDBAH4),
+ igb_getreg(RDBAH5),
+ igb_getreg(RDBAH6),
+ igb_getreg(RDBAH7),
+ igb_getreg(RDBAH8),
+ igb_getreg(RDBAH9),
+ igb_getreg(RDBAH10),
+ igb_getreg(RDBAH11),
+ igb_getreg(RDBAH12),
+ igb_getreg(RDBAH13),
+ igb_getreg(RDBAH14),
+ igb_getreg(RDBAH15),
+ igb_getreg(TDBAL0),
+ igb_getreg(TDBAL1),
+ igb_getreg(TDBAL2),
+ igb_getreg(TDBAL3),
+ igb_getreg(TDBAL4),
+ igb_getreg(TDBAL5),
+ igb_getreg(TDBAL6),
+ igb_getreg(TDBAL7),
+ igb_getreg(TDBAL8),
+ igb_getreg(TDBAL9),
+ igb_getreg(TDBAL10),
+ igb_getreg(TDBAL11),
+ igb_getreg(TDBAL12),
+ igb_getreg(TDBAL13),
+ igb_getreg(TDBAL14),
+ igb_getreg(TDBAL15),
+ igb_getreg(RDLEN0),
+ igb_getreg(RDLEN1),
+ igb_getreg(RDLEN2),
+ igb_getreg(RDLEN3),
+ igb_getreg(RDLEN4),
+ igb_getreg(RDLEN5),
+ igb_getreg(RDLEN6),
+ igb_getreg(RDLEN7),
+ igb_getreg(RDLEN8),
+ igb_getreg(RDLEN9),
+ igb_getreg(RDLEN10),
+ igb_getreg(RDLEN11),
+ igb_getreg(RDLEN12),
+ igb_getreg(RDLEN13),
+ igb_getreg(RDLEN14),
+ igb_getreg(RDLEN15),
+ igb_getreg(SRRCTL0),
+ igb_getreg(SRRCTL1),
+ igb_getreg(SRRCTL2),
+ igb_getreg(SRRCTL3),
+ igb_getreg(SRRCTL4),
+ igb_getreg(SRRCTL5),
+ igb_getreg(SRRCTL6),
+ igb_getreg(SRRCTL7),
+ igb_getreg(SRRCTL8),
+ igb_getreg(SRRCTL9),
+ igb_getreg(SRRCTL10),
+ igb_getreg(SRRCTL11),
+ igb_getreg(SRRCTL12),
+ igb_getreg(SRRCTL13),
+ igb_getreg(SRRCTL14),
+ igb_getreg(SRRCTL15),
+ igb_getreg(LATECOL),
+ igb_getreg(XONTXC),
+ igb_getreg(TDFH),
+ igb_getreg(TDFT),
+ igb_getreg(TDFHS),
+ igb_getreg(TDFTS),
+ igb_getreg(TDFPC),
+ igb_getreg(WUS),
+ igb_getreg(RDFH),
+ igb_getreg(RDFT),
+ igb_getreg(RDFHS),
+ igb_getreg(RDFTS),
+ igb_getreg(RDFPC),
+ igb_getreg(GORCL),
+ igb_getreg(MGTPRC),
+ igb_getreg(EERD),
+ igb_getreg(EIAC),
+ igb_getreg(MANC2H),
+ igb_getreg(RXCSUM),
+ igb_getreg(GSCL_3),
+ igb_getreg(GSCN_2),
+ igb_getreg(FCAH),
+ igb_getreg(FCRTH),
+ igb_getreg(FLOP),
+ igb_getreg(RXSTMPH),
+ igb_getreg(TXSTMPL),
+ igb_getreg(TIMADJL),
+ igb_getreg(RDH0),
+ igb_getreg(RDH1),
+ igb_getreg(RDH2),
+ igb_getreg(RDH3),
+ igb_getreg(RDH4),
+ igb_getreg(RDH5),
+ igb_getreg(RDH6),
+ igb_getreg(RDH7),
+ igb_getreg(RDH8),
+ igb_getreg(RDH9),
+ igb_getreg(RDH10),
+ igb_getreg(RDH11),
+ igb_getreg(RDH12),
+ igb_getreg(RDH13),
+ igb_getreg(RDH14),
+ igb_getreg(RDH15),
+ igb_getreg(TDT0),
+ igb_getreg(TDT1),
+ igb_getreg(TDT2),
+ igb_getreg(TDT3),
+ igb_getreg(TDT4),
+ igb_getreg(TDT5),
+ igb_getreg(TDT6),
+ igb_getreg(TDT7),
+ igb_getreg(TDT8),
+ igb_getreg(TDT9),
+ igb_getreg(TDT10),
+ igb_getreg(TDT11),
+ igb_getreg(TDT12),
+ igb_getreg(TDT13),
+ igb_getreg(TDT14),
+ igb_getreg(TDT15),
+ igb_getreg(TNCRS),
+ igb_getreg(RJC),
+ igb_getreg(IAM),
+ igb_getreg(GSCL_2),
+ igb_getreg(TIPG),
+ igb_getreg(FLMNGCTL),
+ igb_getreg(FLMNGCNT),
+ igb_getreg(TSYNCTXCTL),
+ igb_getreg(EEMNGDATA),
+ igb_getreg(CTRL_EXT),
+ igb_getreg(SYSTIMH),
+ igb_getreg(EEMNGCTL),
+ igb_getreg(FLMNGDATA),
+ igb_getreg(TSYNCRXCTL),
+ igb_getreg(LEDCTL),
+ igb_getreg(TCTL),
+ igb_getreg(TCTL_EXT),
+ igb_getreg(DTXCTL),
+ igb_getreg(RXPBS),
+ igb_getreg(TDH0),
+ igb_getreg(TDH1),
+ igb_getreg(TDH2),
+ igb_getreg(TDH3),
+ igb_getreg(TDH4),
+ igb_getreg(TDH5),
+ igb_getreg(TDH6),
+ igb_getreg(TDH7),
+ igb_getreg(TDH8),
+ igb_getreg(TDH9),
+ igb_getreg(TDH10),
+ igb_getreg(TDH11),
+ igb_getreg(TDH12),
+ igb_getreg(TDH13),
+ igb_getreg(TDH14),
+ igb_getreg(TDH15),
+ igb_getreg(ECOL),
+ igb_getreg(DC),
+ igb_getreg(RLEC),
+ igb_getreg(XOFFTXC),
+ igb_getreg(RFC),
+ igb_getreg(RNBC),
+ igb_getreg(MGTPTC),
+ igb_getreg(TIMINCA),
+ igb_getreg(FACTPS),
+ igb_getreg(GSCL_1),
+ igb_getreg(GSCN_0),
+ igb_getreg(PBACLR),
+ igb_getreg(FCTTV),
+ igb_getreg(RXSATRL),
+ igb_getreg(TORL),
+ igb_getreg(TDLEN0),
+ igb_getreg(TDLEN1),
+ igb_getreg(TDLEN2),
+ igb_getreg(TDLEN3),
+ igb_getreg(TDLEN4),
+ igb_getreg(TDLEN5),
+ igb_getreg(TDLEN6),
+ igb_getreg(TDLEN7),
+ igb_getreg(TDLEN8),
+ igb_getreg(TDLEN9),
+ igb_getreg(TDLEN10),
+ igb_getreg(TDLEN11),
+ igb_getreg(TDLEN12),
+ igb_getreg(TDLEN13),
+ igb_getreg(TDLEN14),
+ igb_getreg(TDLEN15),
+ igb_getreg(MCC),
+ igb_getreg(WUC),
+ igb_getreg(EECD),
+ igb_getreg(FCRTV),
+ igb_getreg(TXDCTL0),
+ igb_getreg(TXDCTL1),
+ igb_getreg(TXDCTL2),
+ igb_getreg(TXDCTL3),
+ igb_getreg(TXDCTL4),
+ igb_getreg(TXDCTL5),
+ igb_getreg(TXDCTL6),
+ igb_getreg(TXDCTL7),
+ igb_getreg(TXDCTL8),
+ igb_getreg(TXDCTL9),
+ igb_getreg(TXDCTL10),
+ igb_getreg(TXDCTL11),
+ igb_getreg(TXDCTL12),
+ igb_getreg(TXDCTL13),
+ igb_getreg(TXDCTL14),
+ igb_getreg(TXDCTL15),
+ igb_getreg(TXCTL0),
+ igb_getreg(TXCTL1),
+ igb_getreg(TXCTL2),
+ igb_getreg(TXCTL3),
+ igb_getreg(TXCTL4),
+ igb_getreg(TXCTL5),
+ igb_getreg(TXCTL6),
+ igb_getreg(TXCTL7),
+ igb_getreg(TXCTL8),
+ igb_getreg(TXCTL9),
+ igb_getreg(TXCTL10),
+ igb_getreg(TXCTL11),
+ igb_getreg(TXCTL12),
+ igb_getreg(TXCTL13),
+ igb_getreg(TXCTL14),
+ igb_getreg(TXCTL15),
+ igb_getreg(TDWBAL0),
+ igb_getreg(TDWBAL1),
+ igb_getreg(TDWBAL2),
+ igb_getreg(TDWBAL3),
+ igb_getreg(TDWBAL4),
+ igb_getreg(TDWBAL5),
+ igb_getreg(TDWBAL6),
+ igb_getreg(TDWBAL7),
+ igb_getreg(TDWBAL8),
+ igb_getreg(TDWBAL9),
+ igb_getreg(TDWBAL10),
+ igb_getreg(TDWBAL11),
+ igb_getreg(TDWBAL12),
+ igb_getreg(TDWBAL13),
+ igb_getreg(TDWBAL14),
+ igb_getreg(TDWBAL15),
+ igb_getreg(TDWBAH0),
+ igb_getreg(TDWBAH1),
+ igb_getreg(TDWBAH2),
+ igb_getreg(TDWBAH3),
+ igb_getreg(TDWBAH4),
+ igb_getreg(TDWBAH5),
+ igb_getreg(TDWBAH6),
+ igb_getreg(TDWBAH7),
+ igb_getreg(TDWBAH8),
+ igb_getreg(TDWBAH9),
+ igb_getreg(TDWBAH10),
+ igb_getreg(TDWBAH11),
+ igb_getreg(TDWBAH12),
+ igb_getreg(TDWBAH13),
+ igb_getreg(TDWBAH14),
+ igb_getreg(TDWBAH15),
+ igb_getreg(PVTCTRL0),
+ igb_getreg(PVTCTRL1),
+ igb_getreg(PVTCTRL2),
+ igb_getreg(PVTCTRL3),
+ igb_getreg(PVTCTRL4),
+ igb_getreg(PVTCTRL5),
+ igb_getreg(PVTCTRL6),
+ igb_getreg(PVTCTRL7),
+ igb_getreg(PVTEIMS0),
+ igb_getreg(PVTEIMS1),
+ igb_getreg(PVTEIMS2),
+ igb_getreg(PVTEIMS3),
+ igb_getreg(PVTEIMS4),
+ igb_getreg(PVTEIMS5),
+ igb_getreg(PVTEIMS6),
+ igb_getreg(PVTEIMS7),
+ igb_getreg(PVTEIAC0),
+ igb_getreg(PVTEIAC1),
+ igb_getreg(PVTEIAC2),
+ igb_getreg(PVTEIAC3),
+ igb_getreg(PVTEIAC4),
+ igb_getreg(PVTEIAC5),
+ igb_getreg(PVTEIAC6),
+ igb_getreg(PVTEIAC7),
+ igb_getreg(PVTEIAM0),
+ igb_getreg(PVTEIAM1),
+ igb_getreg(PVTEIAM2),
+ igb_getreg(PVTEIAM3),
+ igb_getreg(PVTEIAM4),
+ igb_getreg(PVTEIAM5),
+ igb_getreg(PVTEIAM6),
+ igb_getreg(PVTEIAM7),
+ igb_getreg(PVFGPRC0),
+ igb_getreg(PVFGPRC1),
+ igb_getreg(PVFGPRC2),
+ igb_getreg(PVFGPRC3),
+ igb_getreg(PVFGPRC4),
+ igb_getreg(PVFGPRC5),
+ igb_getreg(PVFGPRC6),
+ igb_getreg(PVFGPRC7),
+ igb_getreg(PVFGPTC0),
+ igb_getreg(PVFGPTC1),
+ igb_getreg(PVFGPTC2),
+ igb_getreg(PVFGPTC3),
+ igb_getreg(PVFGPTC4),
+ igb_getreg(PVFGPTC5),
+ igb_getreg(PVFGPTC6),
+ igb_getreg(PVFGPTC7),
+ igb_getreg(PVFGORC0),
+ igb_getreg(PVFGORC1),
+ igb_getreg(PVFGORC2),
+ igb_getreg(PVFGORC3),
+ igb_getreg(PVFGORC4),
+ igb_getreg(PVFGORC5),
+ igb_getreg(PVFGORC6),
+ igb_getreg(PVFGORC7),
+ igb_getreg(PVFGOTC0),
+ igb_getreg(PVFGOTC1),
+ igb_getreg(PVFGOTC2),
+ igb_getreg(PVFGOTC3),
+ igb_getreg(PVFGOTC4),
+ igb_getreg(PVFGOTC5),
+ igb_getreg(PVFGOTC6),
+ igb_getreg(PVFGOTC7),
+ igb_getreg(PVFMPRC0),
+ igb_getreg(PVFMPRC1),
+ igb_getreg(PVFMPRC2),
+ igb_getreg(PVFMPRC3),
+ igb_getreg(PVFMPRC4),
+ igb_getreg(PVFMPRC5),
+ igb_getreg(PVFMPRC6),
+ igb_getreg(PVFMPRC7),
+ igb_getreg(PVFGPRLBC0),
+ igb_getreg(PVFGPRLBC1),
+ igb_getreg(PVFGPRLBC2),
+ igb_getreg(PVFGPRLBC3),
+ igb_getreg(PVFGPRLBC4),
+ igb_getreg(PVFGPRLBC5),
+ igb_getreg(PVFGPRLBC6),
+ igb_getreg(PVFGPRLBC7),
+ igb_getreg(PVFGPTLBC0),
+ igb_getreg(PVFGPTLBC1),
+ igb_getreg(PVFGPTLBC2),
+ igb_getreg(PVFGPTLBC3),
+ igb_getreg(PVFGPTLBC4),
+ igb_getreg(PVFGPTLBC5),
+ igb_getreg(PVFGPTLBC6),
+ igb_getreg(PVFGPTLBC7),
+ igb_getreg(PVFGORLBC0),
+ igb_getreg(PVFGORLBC1),
+ igb_getreg(PVFGORLBC2),
+ igb_getreg(PVFGORLBC3),
+ igb_getreg(PVFGORLBC4),
+ igb_getreg(PVFGORLBC5),
+ igb_getreg(PVFGORLBC6),
+ igb_getreg(PVFGORLBC7),
+ igb_getreg(PVFGOTLBC0),
+ igb_getreg(PVFGOTLBC1),
+ igb_getreg(PVFGOTLBC2),
+ igb_getreg(PVFGOTLBC3),
+ igb_getreg(PVFGOTLBC4),
+ igb_getreg(PVFGOTLBC5),
+ igb_getreg(PVFGOTLBC6),
+ igb_getreg(PVFGOTLBC7),
+ igb_getreg(RCTL),
+ igb_getreg(MDIC),
+ igb_getreg(FCRUC),
+ igb_getreg(VET),
+ igb_getreg(RDBAL0),
+ igb_getreg(RDBAL1),
+ igb_getreg(RDBAL2),
+ igb_getreg(RDBAL3),
+ igb_getreg(RDBAL4),
+ igb_getreg(RDBAL5),
+ igb_getreg(RDBAL6),
+ igb_getreg(RDBAL7),
+ igb_getreg(RDBAL8),
+ igb_getreg(RDBAL9),
+ igb_getreg(RDBAL10),
+ igb_getreg(RDBAL11),
+ igb_getreg(RDBAL12),
+ igb_getreg(RDBAL13),
+ igb_getreg(RDBAL14),
+ igb_getreg(RDBAL15),
+ igb_getreg(TDBAH0),
+ igb_getreg(TDBAH1),
+ igb_getreg(TDBAH2),
+ igb_getreg(TDBAH3),
+ igb_getreg(TDBAH4),
+ igb_getreg(TDBAH5),
+ igb_getreg(TDBAH6),
+ igb_getreg(TDBAH7),
+ igb_getreg(TDBAH8),
+ igb_getreg(TDBAH9),
+ igb_getreg(TDBAH10),
+ igb_getreg(TDBAH11),
+ igb_getreg(TDBAH12),
+ igb_getreg(TDBAH13),
+ igb_getreg(TDBAH14),
+ igb_getreg(TDBAH15),
+ igb_getreg(SCC),
+ igb_getreg(COLC),
+ igb_getreg(XOFFRXC),
+ igb_getreg(IPAV),
+ igb_getreg(GOTCL),
+ igb_getreg(MGTPDC),
+ igb_getreg(GCR),
+ igb_getreg(MFVAL),
+ igb_getreg(FUNCTAG),
+ igb_getreg(GSCL_4),
+ igb_getreg(GSCN_3),
+ igb_getreg(MRQC),
+ igb_getreg(FCT),
+ igb_getreg(FLA),
+ igb_getreg(RXDCTL0),
+ igb_getreg(RXDCTL1),
+ igb_getreg(RXDCTL2),
+ igb_getreg(RXDCTL3),
+ igb_getreg(RXDCTL4),
+ igb_getreg(RXDCTL5),
+ igb_getreg(RXDCTL6),
+ igb_getreg(RXDCTL7),
+ igb_getreg(RXDCTL8),
+ igb_getreg(RXDCTL9),
+ igb_getreg(RXDCTL10),
+ igb_getreg(RXDCTL11),
+ igb_getreg(RXDCTL12),
+ igb_getreg(RXDCTL13),
+ igb_getreg(RXDCTL14),
+ igb_getreg(RXDCTL15),
+ igb_getreg(RXSTMPL),
+ igb_getreg(TIMADJH),
+ igb_getreg(FCRTL),
+ igb_getreg(XONRXC),
+ igb_getreg(RFCTL),
+ igb_getreg(GSCN_1),
+ igb_getreg(FCAL),
+ igb_getreg(GPIE),
+ igb_getreg(TXPBS),
+ igb_getreg(RLPML),
+
+ [TOTH] = igb_mac_read_clr8,
+ [GOTCH] = igb_mac_read_clr8,
+ [PRC64] = igb_mac_read_clr4,
+ [PRC255] = igb_mac_read_clr4,
+ [PRC1023] = igb_mac_read_clr4,
+ [PTC64] = igb_mac_read_clr4,
+ [PTC255] = igb_mac_read_clr4,
+ [PTC1023] = igb_mac_read_clr4,
+ [GPRC] = igb_mac_read_clr4,
+ [TPT] = igb_mac_read_clr4,
+ [RUC] = igb_mac_read_clr4,
+ [BPRC] = igb_mac_read_clr4,
+ [MPTC] = igb_mac_read_clr4,
+ [IAC] = igb_mac_read_clr4,
+ [ICR] = igb_mac_icr_read,
+ [STATUS] = igb_get_status,
+ [ICS] = igb_mac_ics_read,
+ /*
+ * 8.8.10: Reading the IMC register returns the value of the IMS register.
+ */
+ [IMC] = igb_mac_ims_read,
+ [TORH] = igb_mac_read_clr8,
+ [GORCH] = igb_mac_read_clr8,
+ [PRC127] = igb_mac_read_clr4,
+ [PRC511] = igb_mac_read_clr4,
+ [PRC1522] = igb_mac_read_clr4,
+ [PTC127] = igb_mac_read_clr4,
+ [PTC511] = igb_mac_read_clr4,
+ [PTC1522] = igb_mac_read_clr4,
+ [GPTC] = igb_mac_read_clr4,
+ [TPR] = igb_mac_read_clr4,
+ [ROC] = igb_mac_read_clr4,
+ [MPRC] = igb_mac_read_clr4,
+ [BPTC] = igb_mac_read_clr4,
+ [TSCTC] = igb_mac_read_clr4,
+ [CTRL] = igb_get_ctrl,
+ [SWSM] = igb_mac_swsm_read,
+ [IMS] = igb_mac_ims_read,
+ [SYSTIML] = igb_get_systiml,
+ [RXSATRH] = igb_get_rxsatrh,
+ [TXSTMPH] = igb_get_txstmph,
+
+ [CRCERRS ... MPC] = igb_mac_readreg,
+ [IP6AT ... IP6AT + 3] = igb_mac_readreg,
+ [IP4AT ... IP4AT + 6] = igb_mac_readreg,
+ [RA ... RA + 31] = igb_mac_readreg,
+ [RA2 ... RA2 + 31] = igb_mac_readreg,
+ [WUPM ... WUPM + 31] = igb_mac_readreg,
+ [MTA ... MTA + E1000_MC_TBL_SIZE - 1] = igb_mac_readreg,
+ [VFTA ... VFTA + E1000_VLAN_FILTER_TBL_SIZE - 1] = igb_mac_readreg,
+ [FFMT ... FFMT + 254] = igb_mac_readreg,
+ [MDEF ... MDEF + 7] = igb_mac_readreg,
+ [FTFT ... FTFT + 254] = igb_mac_readreg,
+ [RETA ... RETA + 31] = igb_mac_readreg,
+ [RSSRK ... RSSRK + 9] = igb_mac_readreg,
+ [MAVTV0 ... MAVTV3] = igb_mac_readreg,
+ [EITR0 ... EITR0 + IGB_INTR_NUM - 1] = igb_mac_eitr_read,
+ [PVTEICR0] = igb_mac_read_clr4,
+ [PVTEICR1] = igb_mac_read_clr4,
+ [PVTEICR2] = igb_mac_read_clr4,
+ [PVTEICR3] = igb_mac_read_clr4,
+ [PVTEICR4] = igb_mac_read_clr4,
+ [PVTEICR5] = igb_mac_read_clr4,
+ [PVTEICR6] = igb_mac_read_clr4,
+ [PVTEICR7] = igb_mac_read_clr4,
+
+ /* IGB specific: */
+ [FWSM] = igb_mac_readreg,
+ [SW_FW_SYNC] = igb_mac_readreg,
+ [HTCBDPC] = igb_mac_read_clr4,
+ [EICR] = igb_mac_read_clr4,
+ [EIMS] = igb_mac_readreg,
+ [EIAM] = igb_mac_readreg,
+ [IVAR0 ... IVAR0 + 7] = igb_mac_readreg,
+ igb_getreg(IVAR_MISC),
+ igb_getreg(VT_CTL),
+ [P2VMAILBOX0 ... P2VMAILBOX7] = igb_mac_readreg,
+ [V2PMAILBOX0 ... V2PMAILBOX7] = igb_mac_vfmailbox_read,
+ igb_getreg(MBVFICR),
+ [VMBMEM0 ... VMBMEM0 + 127] = igb_mac_readreg,
+ igb_getreg(MBVFIMR),
+ igb_getreg(VFLRE),
+ igb_getreg(VFRE),
+ igb_getreg(VFTE),
+ igb_getreg(QDE),
+ igb_getreg(DTXSWC),
+ igb_getreg(RPLOLR),
+ [VLVF0 ... VLVF0 + E1000_VLVF_ARRAY_SIZE - 1] = igb_mac_readreg,
+ [VMVIR0 ... VMVIR7] = igb_mac_readreg,
+ [VMOLR0 ... VMOLR7] = igb_mac_readreg,
+ [WVBR] = igb_mac_read_clr4,
+ [RQDPC0] = igb_mac_read_clr4,
+ [RQDPC1] = igb_mac_read_clr4,
+ [RQDPC2] = igb_mac_read_clr4,
+ [RQDPC3] = igb_mac_read_clr4,
+ [RQDPC4] = igb_mac_read_clr4,
+ [RQDPC5] = igb_mac_read_clr4,
+ [RQDPC6] = igb_mac_read_clr4,
+ [RQDPC7] = igb_mac_read_clr4,
+ [RQDPC8] = igb_mac_read_clr4,
+ [RQDPC9] = igb_mac_read_clr4,
+ [RQDPC10] = igb_mac_read_clr4,
+ [RQDPC11] = igb_mac_read_clr4,
+ [RQDPC12] = igb_mac_read_clr4,
+ [RQDPC13] = igb_mac_read_clr4,
+ [RQDPC14] = igb_mac_read_clr4,
+ [RQDPC15] = igb_mac_read_clr4,
+ [VTIVAR ... VTIVAR + 7] = igb_mac_readreg,
+ [VTIVAR_MISC ... VTIVAR_MISC + 7] = igb_mac_readreg,
+};
+enum { IGB_NREADOPS = ARRAY_SIZE(igb_macreg_readops) };
+
+#define igb_putreg(x) [x] = igb_mac_writereg
+typedef void (*writeops)(IGBCore *, int, uint32_t);
+static const writeops igb_macreg_writeops[] = {
+ igb_putreg(SWSM),
+ igb_putreg(WUFC),
+ igb_putreg(RDBAH0),
+ igb_putreg(RDBAH1),
+ igb_putreg(RDBAH2),
+ igb_putreg(RDBAH3),
+ igb_putreg(RDBAH4),
+ igb_putreg(RDBAH5),
+ igb_putreg(RDBAH6),
+ igb_putreg(RDBAH7),
+ igb_putreg(RDBAH8),
+ igb_putreg(RDBAH9),
+ igb_putreg(RDBAH10),
+ igb_putreg(RDBAH11),
+ igb_putreg(RDBAH12),
+ igb_putreg(RDBAH13),
+ igb_putreg(RDBAH14),
+ igb_putreg(RDBAH15),
+ igb_putreg(SRRCTL0),
+ igb_putreg(SRRCTL1),
+ igb_putreg(SRRCTL2),
+ igb_putreg(SRRCTL3),
+ igb_putreg(SRRCTL4),
+ igb_putreg(SRRCTL5),
+ igb_putreg(SRRCTL6),
+ igb_putreg(SRRCTL7),
+ igb_putreg(SRRCTL8),
+ igb_putreg(SRRCTL9),
+ igb_putreg(SRRCTL10),
+ igb_putreg(SRRCTL11),
+ igb_putreg(SRRCTL12),
+ igb_putreg(SRRCTL13),
+ igb_putreg(SRRCTL14),
+ igb_putreg(SRRCTL15),
+ igb_putreg(RXDCTL0),
+ igb_putreg(RXDCTL1),
+ igb_putreg(RXDCTL2),
+ igb_putreg(RXDCTL3),
+ igb_putreg(RXDCTL4),
+ igb_putreg(RXDCTL5),
+ igb_putreg(RXDCTL6),
+ igb_putreg(RXDCTL7),
+ igb_putreg(RXDCTL8),
+ igb_putreg(RXDCTL9),
+ igb_putreg(RXDCTL10),
+ igb_putreg(RXDCTL11),
+ igb_putreg(RXDCTL12),
+ igb_putreg(RXDCTL13),
+ igb_putreg(RXDCTL14),
+ igb_putreg(RXDCTL15),
+ igb_putreg(LEDCTL),
+ igb_putreg(TCTL),
+ igb_putreg(TCTL_EXT),
+ igb_putreg(DTXCTL),
+ igb_putreg(RXPBS),
+ igb_putreg(RQDPC0),
+ igb_putreg(FCAL),
+ igb_putreg(FCRUC),
+ igb_putreg(WUC),
+ igb_putreg(WUS),
+ igb_putreg(IPAV),
+ igb_putreg(TDBAH0),
+ igb_putreg(TDBAH1),
+ igb_putreg(TDBAH2),
+ igb_putreg(TDBAH3),
+ igb_putreg(TDBAH4),
+ igb_putreg(TDBAH5),
+ igb_putreg(TDBAH6),
+ igb_putreg(TDBAH7),
+ igb_putreg(TDBAH8),
+ igb_putreg(TDBAH9),
+ igb_putreg(TDBAH10),
+ igb_putreg(TDBAH11),
+ igb_putreg(TDBAH12),
+ igb_putreg(TDBAH13),
+ igb_putreg(TDBAH14),
+ igb_putreg(TDBAH15),
+ igb_putreg(IAM),
+ igb_putreg(MANC),
+ igb_putreg(MANC2H),
+ igb_putreg(MFVAL),
+ igb_putreg(FACTPS),
+ igb_putreg(FUNCTAG),
+ igb_putreg(GSCL_1),
+ igb_putreg(GSCL_2),
+ igb_putreg(GSCL_3),
+ igb_putreg(GSCL_4),
+ igb_putreg(GSCN_0),
+ igb_putreg(GSCN_1),
+ igb_putreg(GSCN_2),
+ igb_putreg(GSCN_3),
+ igb_putreg(MRQC),
+ igb_putreg(FLOP),
+ igb_putreg(FLA),
+ igb_putreg(TXDCTL0),
+ igb_putreg(TXDCTL1),
+ igb_putreg(TXDCTL2),
+ igb_putreg(TXDCTL3),
+ igb_putreg(TXDCTL4),
+ igb_putreg(TXDCTL5),
+ igb_putreg(TXDCTL6),
+ igb_putreg(TXDCTL7),
+ igb_putreg(TXDCTL8),
+ igb_putreg(TXDCTL9),
+ igb_putreg(TXDCTL10),
+ igb_putreg(TXDCTL11),
+ igb_putreg(TXDCTL12),
+ igb_putreg(TXDCTL13),
+ igb_putreg(TXDCTL14),
+ igb_putreg(TXDCTL15),
+ igb_putreg(TXCTL0),
+ igb_putreg(TXCTL1),
+ igb_putreg(TXCTL2),
+ igb_putreg(TXCTL3),
+ igb_putreg(TXCTL4),
+ igb_putreg(TXCTL5),
+ igb_putreg(TXCTL6),
+ igb_putreg(TXCTL7),
+ igb_putreg(TXCTL8),
+ igb_putreg(TXCTL9),
+ igb_putreg(TXCTL10),
+ igb_putreg(TXCTL11),
+ igb_putreg(TXCTL12),
+ igb_putreg(TXCTL13),
+ igb_putreg(TXCTL14),
+ igb_putreg(TXCTL15),
+ igb_putreg(TDWBAL0),
+ igb_putreg(TDWBAL1),
+ igb_putreg(TDWBAL2),
+ igb_putreg(TDWBAL3),
+ igb_putreg(TDWBAL4),
+ igb_putreg(TDWBAL5),
+ igb_putreg(TDWBAL6),
+ igb_putreg(TDWBAL7),
+ igb_putreg(TDWBAL8),
+ igb_putreg(TDWBAL9),
+ igb_putreg(TDWBAL10),
+ igb_putreg(TDWBAL11),
+ igb_putreg(TDWBAL12),
+ igb_putreg(TDWBAL13),
+ igb_putreg(TDWBAL14),
+ igb_putreg(TDWBAL15),
+ igb_putreg(TDWBAH0),
+ igb_putreg(TDWBAH1),
+ igb_putreg(TDWBAH2),
+ igb_putreg(TDWBAH3),
+ igb_putreg(TDWBAH4),
+ igb_putreg(TDWBAH5),
+ igb_putreg(TDWBAH6),
+ igb_putreg(TDWBAH7),
+ igb_putreg(TDWBAH8),
+ igb_putreg(TDWBAH9),
+ igb_putreg(TDWBAH10),
+ igb_putreg(TDWBAH11),
+ igb_putreg(TDWBAH12),
+ igb_putreg(TDWBAH13),
+ igb_putreg(TDWBAH14),
+ igb_putreg(TDWBAH15),
+ igb_putreg(TIPG),
+ igb_putreg(RXSTMPH),
+ igb_putreg(RXSTMPL),
+ igb_putreg(RXSATRL),
+ igb_putreg(RXSATRH),
+ igb_putreg(TXSTMPL),
+ igb_putreg(TXSTMPH),
+ igb_putreg(SYSTIML),
+ igb_putreg(SYSTIMH),
+ igb_putreg(TIMADJL),
+ igb_putreg(TSYNCRXCTL),
+ igb_putreg(TSYNCTXCTL),
+ igb_putreg(EEMNGCTL),
+ igb_putreg(GPIE),
+ igb_putreg(TXPBS),
+ igb_putreg(RLPML),
+ igb_putreg(VET),
+
+ [TDH0] = igb_set_16bit,
+ [TDH1] = igb_set_16bit,
+ [TDH2] = igb_set_16bit,
+ [TDH3] = igb_set_16bit,
+ [TDH4] = igb_set_16bit,
+ [TDH5] = igb_set_16bit,
+ [TDH6] = igb_set_16bit,
+ [TDH7] = igb_set_16bit,
+ [TDH8] = igb_set_16bit,
+ [TDH9] = igb_set_16bit,
+ [TDH10] = igb_set_16bit,
+ [TDH11] = igb_set_16bit,
+ [TDH12] = igb_set_16bit,
+ [TDH13] = igb_set_16bit,
+ [TDH14] = igb_set_16bit,
+ [TDH15] = igb_set_16bit,
+ [TDT0] = igb_set_tdt,
+ [TDT1] = igb_set_tdt,
+ [TDT2] = igb_set_tdt,
+ [TDT3] = igb_set_tdt,
+ [TDT4] = igb_set_tdt,
+ [TDT5] = igb_set_tdt,
+ [TDT6] = igb_set_tdt,
+ [TDT7] = igb_set_tdt,
+ [TDT8] = igb_set_tdt,
+ [TDT9] = igb_set_tdt,
+ [TDT10] = igb_set_tdt,
+ [TDT11] = igb_set_tdt,
+ [TDT12] = igb_set_tdt,
+ [TDT13] = igb_set_tdt,
+ [TDT14] = igb_set_tdt,
+ [TDT15] = igb_set_tdt,
+ [MDIC] = igb_set_mdic,
+ [ICS] = igb_set_ics,
+ [RDH0] = igb_set_16bit,
+ [RDH1] = igb_set_16bit,
+ [RDH2] = igb_set_16bit,
+ [RDH3] = igb_set_16bit,
+ [RDH4] = igb_set_16bit,
+ [RDH5] = igb_set_16bit,
+ [RDH6] = igb_set_16bit,
+ [RDH7] = igb_set_16bit,
+ [RDH8] = igb_set_16bit,
+ [RDH9] = igb_set_16bit,
+ [RDH10] = igb_set_16bit,
+ [RDH11] = igb_set_16bit,
+ [RDH12] = igb_set_16bit,
+ [RDH13] = igb_set_16bit,
+ [RDH14] = igb_set_16bit,
+ [RDH15] = igb_set_16bit,
+ [RDT0] = igb_set_rdt,
+ [RDT1] = igb_set_rdt,
+ [RDT2] = igb_set_rdt,
+ [RDT3] = igb_set_rdt,
+ [RDT4] = igb_set_rdt,
+ [RDT5] = igb_set_rdt,
+ [RDT6] = igb_set_rdt,
+ [RDT7] = igb_set_rdt,
+ [RDT8] = igb_set_rdt,
+ [RDT9] = igb_set_rdt,
+ [RDT10] = igb_set_rdt,
+ [RDT11] = igb_set_rdt,
+ [RDT12] = igb_set_rdt,
+ [RDT13] = igb_set_rdt,
+ [RDT14] = igb_set_rdt,
+ [RDT15] = igb_set_rdt,
+ [IMC] = igb_set_imc,
+ [IMS] = igb_set_ims,
+ [ICR] = igb_set_icr,
+ [EECD] = igb_set_eecd,
+ [RCTL] = igb_set_rx_control,
+ [CTRL] = igb_set_ctrl,
+ [EERD] = igb_set_eerd,
+ [TDFH] = igb_set_13bit,
+ [TDFT] = igb_set_13bit,
+ [TDFHS] = igb_set_13bit,
+ [TDFTS] = igb_set_13bit,
+ [TDFPC] = igb_set_13bit,
+ [RDFH] = igb_set_13bit,
+ [RDFT] = igb_set_13bit,
+ [RDFHS] = igb_set_13bit,
+ [RDFTS] = igb_set_13bit,
+ [RDFPC] = igb_set_13bit,
+ [GCR] = igb_set_gcr,
+ [RXCSUM] = igb_set_rxcsum,
+ [TDLEN0] = igb_set_dlen,
+ [TDLEN1] = igb_set_dlen,
+ [TDLEN2] = igb_set_dlen,
+ [TDLEN3] = igb_set_dlen,
+ [TDLEN4] = igb_set_dlen,
+ [TDLEN5] = igb_set_dlen,
+ [TDLEN6] = igb_set_dlen,
+ [TDLEN7] = igb_set_dlen,
+ [TDLEN8] = igb_set_dlen,
+ [TDLEN9] = igb_set_dlen,
+ [TDLEN10] = igb_set_dlen,
+ [TDLEN11] = igb_set_dlen,
+ [TDLEN12] = igb_set_dlen,
+ [TDLEN13] = igb_set_dlen,
+ [TDLEN14] = igb_set_dlen,
+ [TDLEN15] = igb_set_dlen,
+ [RDLEN0] = igb_set_dlen,
+ [RDLEN1] = igb_set_dlen,
+ [RDLEN2] = igb_set_dlen,
+ [RDLEN3] = igb_set_dlen,
+ [RDLEN4] = igb_set_dlen,
+ [RDLEN5] = igb_set_dlen,
+ [RDLEN6] = igb_set_dlen,
+ [RDLEN7] = igb_set_dlen,
+ [RDLEN8] = igb_set_dlen,
+ [RDLEN9] = igb_set_dlen,
+ [RDLEN10] = igb_set_dlen,
+ [RDLEN11] = igb_set_dlen,
+ [RDLEN12] = igb_set_dlen,
+ [RDLEN13] = igb_set_dlen,
+ [RDLEN14] = igb_set_dlen,
+ [RDLEN15] = igb_set_dlen,
+ [TDBAL0] = igb_set_dbal,
+ [TDBAL1] = igb_set_dbal,
+ [TDBAL2] = igb_set_dbal,
+ [TDBAL3] = igb_set_dbal,
+ [TDBAL4] = igb_set_dbal,
+ [TDBAL5] = igb_set_dbal,
+ [TDBAL6] = igb_set_dbal,
+ [TDBAL7] = igb_set_dbal,
+ [TDBAL8] = igb_set_dbal,
+ [TDBAL9] = igb_set_dbal,
+ [TDBAL10] = igb_set_dbal,
+ [TDBAL11] = igb_set_dbal,
+ [TDBAL12] = igb_set_dbal,
+ [TDBAL13] = igb_set_dbal,
+ [TDBAL14] = igb_set_dbal,
+ [TDBAL15] = igb_set_dbal,
+ [RDBAL0] = igb_set_dbal,
+ [RDBAL1] = igb_set_dbal,
+ [RDBAL2] = igb_set_dbal,
+ [RDBAL3] = igb_set_dbal,
+ [RDBAL4] = igb_set_dbal,
+ [RDBAL5] = igb_set_dbal,
+ [RDBAL6] = igb_set_dbal,
+ [RDBAL7] = igb_set_dbal,
+ [RDBAL8] = igb_set_dbal,
+ [RDBAL9] = igb_set_dbal,
+ [RDBAL10] = igb_set_dbal,
+ [RDBAL11] = igb_set_dbal,
+ [RDBAL12] = igb_set_dbal,
+ [RDBAL13] = igb_set_dbal,
+ [RDBAL14] = igb_set_dbal,
+ [RDBAL15] = igb_set_dbal,
+ [STATUS] = igb_set_status,
+ [PBACLR] = igb_set_pbaclr,
+ [CTRL_EXT] = igb_set_ctrlext,
+ [FCAH] = igb_set_16bit,
+ [FCT] = igb_set_16bit,
+ [FCTTV] = igb_set_16bit,
+ [FCRTV] = igb_set_16bit,
+ [FCRTH] = igb_set_fcrth,
+ [FCRTL] = igb_set_fcrtl,
+ [CTRL_DUP] = igb_set_ctrl,
+ [RFCTL] = igb_set_rfctl,
+ [TIMINCA] = igb_set_timinca,
+ [TIMADJH] = igb_set_timadjh,
+
+ [IP6AT ... IP6AT + 3] = igb_mac_writereg,
+ [IP4AT ... IP4AT + 6] = igb_mac_writereg,
+ [RA] = igb_mac_writereg,
+ [RA + 1] = igb_mac_setmacaddr,
+ [RA + 2 ... RA + 31] = igb_mac_writereg,
+ [RA2 ... RA2 + 31] = igb_mac_writereg,
+ [WUPM ... WUPM + 31] = igb_mac_writereg,
+ [MTA ... MTA + E1000_MC_TBL_SIZE - 1] = igb_mac_writereg,
+ [VFTA ... VFTA + E1000_VLAN_FILTER_TBL_SIZE - 1] = igb_mac_writereg,
+ [FFMT ... FFMT + 254] = igb_set_4bit,
+ [MDEF ... MDEF + 7] = igb_mac_writereg,
+ [FTFT ... FTFT + 254] = igb_mac_writereg,
+ [RETA ... RETA + 31] = igb_mac_writereg,
+ [RSSRK ... RSSRK + 9] = igb_mac_writereg,
+ [MAVTV0 ... MAVTV3] = igb_mac_writereg,
+ [EITR0 ... EITR0 + IGB_INTR_NUM - 1] = igb_set_eitr,
+
+ /* IGB specific: */
+ [FWSM] = igb_mac_writereg,
+ [SW_FW_SYNC] = igb_mac_writereg,
+ [EICR] = igb_set_eicr,
+ [EICS] = igb_set_eics,
+ [EIAC] = igb_set_eiac,
+ [EIAM] = igb_set_eiam,
+ [EIMC] = igb_set_eimc,
+ [EIMS] = igb_set_eims,
+ [IVAR0 ... IVAR0 + 7] = igb_mac_writereg,
+ igb_putreg(IVAR_MISC),
+ igb_putreg(VT_CTL),
+ [P2VMAILBOX0 ... P2VMAILBOX7] = igb_set_pfmailbox,
+ [V2PMAILBOX0 ... V2PMAILBOX7] = igb_set_vfmailbox,
+ [MBVFICR] = igb_w1c,
+ [VMBMEM0 ... VMBMEM0 + 127] = igb_mac_writereg,
+ igb_putreg(MBVFIMR),
+ [VFLRE] = igb_w1c,
+ igb_putreg(VFRE),
+ igb_putreg(VFTE),
+ igb_putreg(QDE),
+ igb_putreg(DTXSWC),
+ igb_putreg(RPLOLR),
+ [VLVF0 ... VLVF0 + E1000_VLVF_ARRAY_SIZE - 1] = igb_mac_writereg,
+ [VMVIR0 ... VMVIR7] = igb_mac_writereg,
+ [VMOLR0 ... VMOLR7] = igb_mac_writereg,
+ [UTA ... UTA + E1000_MC_TBL_SIZE - 1] = igb_mac_writereg,
+ [PVTCTRL0] = igb_set_vtctrl,
+ [PVTCTRL1] = igb_set_vtctrl,
+ [PVTCTRL2] = igb_set_vtctrl,
+ [PVTCTRL3] = igb_set_vtctrl,
+ [PVTCTRL4] = igb_set_vtctrl,
+ [PVTCTRL5] = igb_set_vtctrl,
+ [PVTCTRL6] = igb_set_vtctrl,
+ [PVTCTRL7] = igb_set_vtctrl,
+ [PVTEICS0] = igb_set_vteics,
+ [PVTEICS1] = igb_set_vteics,
+ [PVTEICS2] = igb_set_vteics,
+ [PVTEICS3] = igb_set_vteics,
+ [PVTEICS4] = igb_set_vteics,
+ [PVTEICS5] = igb_set_vteics,
+ [PVTEICS6] = igb_set_vteics,
+ [PVTEICS7] = igb_set_vteics,
+ [PVTEIMS0] = igb_set_vteims,
+ [PVTEIMS1] = igb_set_vteims,
+ [PVTEIMS2] = igb_set_vteims,
+ [PVTEIMS3] = igb_set_vteims,
+ [PVTEIMS4] = igb_set_vteims,
+ [PVTEIMS5] = igb_set_vteims,
+ [PVTEIMS6] = igb_set_vteims,
+ [PVTEIMS7] = igb_set_vteims,
+ [PVTEIMC0] = igb_set_vteimc,
+ [PVTEIMC1] = igb_set_vteimc,
+ [PVTEIMC2] = igb_set_vteimc,
+ [PVTEIMC3] = igb_set_vteimc,
+ [PVTEIMC4] = igb_set_vteimc,
+ [PVTEIMC5] = igb_set_vteimc,
+ [PVTEIMC6] = igb_set_vteimc,
+ [PVTEIMC7] = igb_set_vteimc,
+ [PVTEIAC0] = igb_set_vteiac,
+ [PVTEIAC1] = igb_set_vteiac,
+ [PVTEIAC2] = igb_set_vteiac,
+ [PVTEIAC3] = igb_set_vteiac,
+ [PVTEIAC4] = igb_set_vteiac,
+ [PVTEIAC5] = igb_set_vteiac,
+ [PVTEIAC6] = igb_set_vteiac,
+ [PVTEIAC7] = igb_set_vteiac,
+ [PVTEIAM0] = igb_set_vteiam,
+ [PVTEIAM1] = igb_set_vteiam,
+ [PVTEIAM2] = igb_set_vteiam,
+ [PVTEIAM3] = igb_set_vteiam,
+ [PVTEIAM4] = igb_set_vteiam,
+ [PVTEIAM5] = igb_set_vteiam,
+ [PVTEIAM6] = igb_set_vteiam,
+ [PVTEIAM7] = igb_set_vteiam,
+ [PVTEICR0] = igb_set_vteicr,
+ [PVTEICR1] = igb_set_vteicr,
+ [PVTEICR2] = igb_set_vteicr,
+ [PVTEICR3] = igb_set_vteicr,
+ [PVTEICR4] = igb_set_vteicr,
+ [PVTEICR5] = igb_set_vteicr,
+ [PVTEICR6] = igb_set_vteicr,
+ [PVTEICR7] = igb_set_vteicr,
+ [VTIVAR ... VTIVAR + 7] = igb_set_vtivar,
+ [VTIVAR_MISC ... VTIVAR_MISC + 7] = igb_mac_writereg
+};
+enum { IGB_NWRITEOPS = ARRAY_SIZE(igb_macreg_writeops) };
+
+enum { MAC_ACCESS_PARTIAL = 1 };
+
+/*
+ * The array below combines alias offsets of the index values for the
+ * MAC registers that have aliases, with the indication of not fully
+ * implemented registers (lowest bit). This combination is possible
+ * because all of the offsets are even.
+ */
+static const uint16_t mac_reg_access[E1000E_MAC_SIZE] = {
+ /* Alias index offsets */
+ [FCRTL_A] = 0x07fe,
+ [RDFH_A] = 0xe904, [RDFT_A] = 0xe904,
+ [TDFH_A] = 0xed00, [TDFT_A] = 0xed00,
+ [RA_A ... RA_A + 31] = 0x14f0,
+ [VFTA_A ... VFTA_A + E1000_VLAN_FILTER_TBL_SIZE - 1] = 0x1400,
+
+ [RDBAL0_A] = 0x2600,
+ [RDBAH0_A] = 0x2600,
+ [RDLEN0_A] = 0x2600,
+ [SRRCTL0_A] = 0x2600,
+ [RDH0_A] = 0x2600,
+ [RDT0_A] = 0x2600,
+ [RXDCTL0_A] = 0x2600,
+ [RXCTL0_A] = 0x2600,
+ [RQDPC0_A] = 0x2600,
+ [RDBAL1_A] = 0x25D0,
+ [RDBAL2_A] = 0x25A0,
+ [RDBAL3_A] = 0x2570,
+ [RDBAH1_A] = 0x25D0,
+ [RDBAH2_A] = 0x25A0,
+ [RDBAH3_A] = 0x2570,
+ [RDLEN1_A] = 0x25D0,
+ [RDLEN2_A] = 0x25A0,
+ [RDLEN3_A] = 0x2570,
+ [SRRCTL1_A] = 0x25D0,
+ [SRRCTL2_A] = 0x25A0,
+ [SRRCTL3_A] = 0x2570,
+ [RDH1_A] = 0x25D0,
+ [RDH2_A] = 0x25A0,
+ [RDH3_A] = 0x2570,
+ [RDT1_A] = 0x25D0,
+ [RDT2_A] = 0x25A0,
+ [RDT3_A] = 0x2570,
+ [RXDCTL1_A] = 0x25D0,
+ [RXDCTL2_A] = 0x25A0,
+ [RXDCTL3_A] = 0x2570,
+ [RXCTL1_A] = 0x25D0,
+ [RXCTL2_A] = 0x25A0,
+ [RXCTL3_A] = 0x2570,
+ [RQDPC1_A] = 0x25D0,
+ [RQDPC2_A] = 0x25A0,
+ [RQDPC3_A] = 0x2570,
+ [TDBAL0_A] = 0x2A00,
+ [TDBAH0_A] = 0x2A00,
+ [TDLEN0_A] = 0x2A00,
+ [TDH0_A] = 0x2A00,
+ [TDT0_A] = 0x2A00,
+ [TXCTL0_A] = 0x2A00,
+ [TDWBAL0_A] = 0x2A00,
+ [TDWBAH0_A] = 0x2A00,
+ [TDBAL1_A] = 0x29D0,
+ [TDBAL2_A] = 0x29A0,
+ [TDBAL3_A] = 0x2970,
+ [TDBAH1_A] = 0x29D0,
+ [TDBAH2_A] = 0x29A0,
+ [TDBAH3_A] = 0x2970,
+ [TDLEN1_A] = 0x29D0,
+ [TDLEN2_A] = 0x29A0,
+ [TDLEN3_A] = 0x2970,
+ [TDH1_A] = 0x29D0,
+ [TDH2_A] = 0x29A0,
+ [TDH3_A] = 0x2970,
+ [TDT1_A] = 0x29D0,
+ [TDT2_A] = 0x29A0,
+ [TDT3_A] = 0x2970,
+ [TXDCTL0_A] = 0x2A00,
+ [TXDCTL1_A] = 0x29D0,
+ [TXDCTL2_A] = 0x29A0,
+ [TXDCTL3_A] = 0x2970,
+ [TXCTL1_A] = 0x29D0,
+ [TXCTL2_A] = 0x29A0,
+ [TXCTL3_A] = 0x29D0,
+ [TDWBAL1_A] = 0x29D0,
+ [TDWBAL2_A] = 0x29A0,
+ [TDWBAL3_A] = 0x2970,
+ [TDWBAH1_A] = 0x29D0,
+ [TDWBAH2_A] = 0x29A0,
+ [TDWBAH3_A] = 0x2970,
+
+ /* Access options */
+ [RDFH] = MAC_ACCESS_PARTIAL, [RDFT] = MAC_ACCESS_PARTIAL,
+ [RDFHS] = MAC_ACCESS_PARTIAL, [RDFTS] = MAC_ACCESS_PARTIAL,
+ [RDFPC] = MAC_ACCESS_PARTIAL,
+ [TDFH] = MAC_ACCESS_PARTIAL, [TDFT] = MAC_ACCESS_PARTIAL,
+ [TDFHS] = MAC_ACCESS_PARTIAL, [TDFTS] = MAC_ACCESS_PARTIAL,
+ [TDFPC] = MAC_ACCESS_PARTIAL, [EECD] = MAC_ACCESS_PARTIAL,
+ [FLA] = MAC_ACCESS_PARTIAL,
+ [FCAL] = MAC_ACCESS_PARTIAL, [FCAH] = MAC_ACCESS_PARTIAL,
+ [FCT] = MAC_ACCESS_PARTIAL, [FCTTV] = MAC_ACCESS_PARTIAL,
+ [FCRTV] = MAC_ACCESS_PARTIAL, [FCRTL] = MAC_ACCESS_PARTIAL,
+ [FCRTH] = MAC_ACCESS_PARTIAL,
+ [MAVTV0 ... MAVTV3] = MAC_ACCESS_PARTIAL
+};
+
+void
+igb_core_write(IGBCore *core, hwaddr addr, uint64_t val, unsigned size)
+{
+ uint16_t index = igb_get_reg_index_with_offset(mac_reg_access, addr);
+
+ if (index < IGB_NWRITEOPS && igb_macreg_writeops[index]) {
+ if (mac_reg_access[index] & MAC_ACCESS_PARTIAL) {
+ trace_e1000e_wrn_regs_write_trivial(index << 2);
+ }
+ trace_e1000e_core_write(index << 2, size, val);
+ igb_macreg_writeops[index](core, index, val);
+ } else if (index < IGB_NREADOPS && igb_macreg_readops[index]) {
+ trace_e1000e_wrn_regs_write_ro(index << 2, size, val);
+ } else {
+ trace_e1000e_wrn_regs_write_unknown(index << 2, size, val);
+ }
+}
+
+uint64_t
+igb_core_read(IGBCore *core, hwaddr addr, unsigned size)
+{
+ uint64_t val;
+ uint16_t index = igb_get_reg_index_with_offset(mac_reg_access, addr);
+
+ if (index < IGB_NREADOPS && igb_macreg_readops[index]) {
+ if (mac_reg_access[index] & MAC_ACCESS_PARTIAL) {
+ trace_e1000e_wrn_regs_read_trivial(index << 2);
+ }
+ val = igb_macreg_readops[index](core, index);
+ trace_e1000e_core_read(index << 2, size, val);
+ return val;
+ } else {
+ trace_e1000e_wrn_regs_read_unknown(index << 2, size);
+ }
+ return 0;
+}
+
+static inline void
+igb_autoneg_pause(IGBCore *core)
+{
+ timer_del(core->autoneg_timer);
+}
+
+static void
+igb_autoneg_resume(IGBCore *core)
+{
+ if (igb_have_autoneg(core) &&
+ !(core->phy[MII_BMSR] & MII_BMSR_AN_COMP)) {
+ qemu_get_queue(core->owner_nic)->link_down = false;
+ timer_mod(core->autoneg_timer,
+ qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + 500);
+ }
+}
+
+static void
+igb_vm_state_change(void *opaque, bool running, RunState state)
+{
+ IGBCore *core = opaque;
+
+ if (running) {
+ trace_e1000e_vm_state_running();
+ igb_intrmgr_resume(core);
+ igb_autoneg_resume(core);
+ } else {
+ trace_e1000e_vm_state_stopped();
+ igb_autoneg_pause(core);
+ igb_intrmgr_pause(core);
+ }
+}
+
+void
+igb_core_pci_realize(IGBCore *core,
+ const uint16_t *eeprom_templ,
+ uint32_t eeprom_size,
+ const uint8_t *macaddr)
+{
+ int i;
+
+ core->autoneg_timer = timer_new_ms(QEMU_CLOCK_VIRTUAL,
+ igb_autoneg_timer, core);
+ igb_intrmgr_pci_realize(core);
+
+ core->vmstate = qemu_add_vm_change_state_handler(igb_vm_state_change, core);
+
+ for (i = 0; i < IGB_NUM_QUEUES; i++) {
+ net_tx_pkt_init(&core->tx[i].tx_pkt, core->owner, E1000E_MAX_TX_FRAGS);
+ }
+
+ net_rx_pkt_init(&core->rx_pkt);
+
+ e1000x_core_prepare_eeprom(core->eeprom,
+ eeprom_templ,
+ eeprom_size,
+ PCI_DEVICE_GET_CLASS(core->owner)->device_id,
+ macaddr);
+ igb_update_rx_offloads(core);
+}
+
+void
+igb_core_pci_uninit(IGBCore *core)
+{
+ int i;
+
+ timer_free(core->autoneg_timer);
+
+ igb_intrmgr_pci_unint(core);
+
+ qemu_del_vm_change_state_handler(core->vmstate);
+
+ for (i = 0; i < IGB_NUM_QUEUES; i++) {
+ net_tx_pkt_reset(core->tx[i].tx_pkt);
+ net_tx_pkt_uninit(core->tx[i].tx_pkt);
+ }
+
+ net_rx_pkt_uninit(core->rx_pkt);
+}
+
+static const uint16_t
+igb_phy_reg_init[] = {
+ [MII_BMCR] = MII_BMCR_SPEED1000 |
+ MII_BMCR_FD |
+ MII_BMCR_AUTOEN,
+
+ [MII_BMSR] = MII_BMSR_EXTCAP |
+ MII_BMSR_LINK_ST |
+ MII_BMSR_AUTONEG |
+ MII_BMSR_MFPS |
+ MII_BMSR_EXTSTAT |
+ MII_BMSR_10T_HD |
+ MII_BMSR_10T_FD |
+ MII_BMSR_100TX_HD |
+ MII_BMSR_100TX_FD,
+
+ [MII_PHYID1] = IGP03E1000_E_PHY_ID >> 16,
+ [MII_PHYID2] = (IGP03E1000_E_PHY_ID & 0xfff0) | 1,
+ [MII_ANAR] = MII_ANAR_CSMACD | MII_ANAR_10 |
+ MII_ANAR_10FD | MII_ANAR_TX |
+ MII_ANAR_TXFD | MII_ANAR_PAUSE |
+ MII_ANAR_PAUSE_ASYM,
+ [MII_ANLPAR] = MII_ANLPAR_10 | MII_ANLPAR_10FD |
+ MII_ANLPAR_TX | MII_ANLPAR_TXFD |
+ MII_ANLPAR_T4 | MII_ANLPAR_PAUSE,
+ [MII_ANER] = MII_ANER_NP | MII_ANER_NWAY,
+ [MII_ANNP] = 0x1 | MII_ANNP_MP,
+ [MII_CTRL1000] = MII_CTRL1000_HALF | MII_CTRL1000_FULL |
+ MII_CTRL1000_PORT | MII_CTRL1000_MASTER,
+ [MII_STAT1000] = MII_STAT1000_HALF | MII_STAT1000_FULL |
+ MII_STAT1000_ROK | MII_STAT1000_LOK,
+ [MII_EXTSTAT] = MII_EXTSTAT_1000T_HD | MII_EXTSTAT_1000T_FD,
+
+ [IGP01E1000_PHY_PORT_CONFIG] = BIT(5) | BIT(8),
+ [IGP01E1000_PHY_PORT_STATUS] = IGP01E1000_PSSR_SPEED_1000MBPS,
+ [IGP02E1000_PHY_POWER_MGMT] = BIT(0) | BIT(3) | IGP02E1000_PM_D3_LPLU |
+ IGP01E1000_PSCFR_SMART_SPEED
+};
+
+static const uint32_t igb_mac_reg_init[] = {
+ [LEDCTL] = 2 | (3 << 8) | BIT(15) | (6 << 16) | (7 << 24),
+ [EEMNGCTL] = BIT(31),
+ [RXDCTL0] = E1000_RXDCTL_QUEUE_ENABLE | (1 << 16),
+ [RXDCTL1] = 1 << 16,
+ [RXDCTL2] = 1 << 16,
+ [RXDCTL3] = 1 << 16,
+ [RXDCTL4] = 1 << 16,
+ [RXDCTL5] = 1 << 16,
+ [RXDCTL6] = 1 << 16,
+ [RXDCTL7] = 1 << 16,
+ [RXDCTL8] = 1 << 16,
+ [RXDCTL9] = 1 << 16,
+ [RXDCTL10] = 1 << 16,
+ [RXDCTL11] = 1 << 16,
+ [RXDCTL12] = 1 << 16,
+ [RXDCTL13] = 1 << 16,
+ [RXDCTL14] = 1 << 16,
+ [RXDCTL15] = 1 << 16,
+ [TIPG] = 0x08 | (0x04 << 10) | (0x06 << 20),
+ [CTRL] = E1000_CTRL_FD | E1000_CTRL_LRST | E1000_CTRL_SPD_1000 |
+ E1000_CTRL_ADVD3WUC,
+ [STATUS] = E1000_STATUS_PHYRA | BIT(31),
+ [EECD] = E1000_EECD_FWE_DIS | E1000_EECD_PRES |
+ (2 << E1000_EECD_SIZE_EX_SHIFT),
+ [GCR] = E1000_L0S_ADJUST |
+ E1000_GCR_CMPL_TMOUT_RESEND |
+ E1000_GCR_CAP_VER2 |
+ E1000_L1_ENTRY_LATENCY_MSB |
+ E1000_L1_ENTRY_LATENCY_LSB,
+ [RXCSUM] = E1000_RXCSUM_IPOFLD | E1000_RXCSUM_TUOFLD,
+ [TXPBS] = 0x28,
+ [RXPBS] = 0x40,
+ [TCTL] = E1000_TCTL_PSP | (0xF << E1000_CT_SHIFT) |
+ (0x40 << E1000_COLD_SHIFT) | (0x1 << 26) | (0xA << 28),
+ [TCTL_EXT] = 0x40 | (0x42 << 10),
+ [DTXCTL] = E1000_DTXCTL_8023LL | E1000_DTXCTL_SPOOF_INT,
+ [VET] = ETH_P_VLAN | (ETH_P_VLAN << 16),
+
+ [V2PMAILBOX0 ... V2PMAILBOX0 + IGB_MAX_VF_FUNCTIONS - 1] = E1000_V2PMAILBOX_RSTI,
+ [MBVFIMR] = 0xFF,
+ [VFRE] = 0xFF,
+ [VFTE] = 0xFF,
+ [VMOLR0 ... VMOLR0 + 7] = 0x2600 | E1000_VMOLR_STRCRC,
+ [RPLOLR] = E1000_RPLOLR_STRCRC,
+ [RLPML] = 0x2600,
+ [TXCTL0] = E1000_DCA_TXCTRL_DATA_RRO_EN |
+ E1000_DCA_TXCTRL_TX_WB_RO_EN |
+ E1000_DCA_TXCTRL_DESC_RRO_EN,
+ [TXCTL1] = E1000_DCA_TXCTRL_DATA_RRO_EN |
+ E1000_DCA_TXCTRL_TX_WB_RO_EN |
+ E1000_DCA_TXCTRL_DESC_RRO_EN,
+ [TXCTL2] = E1000_DCA_TXCTRL_DATA_RRO_EN |
+ E1000_DCA_TXCTRL_TX_WB_RO_EN |
+ E1000_DCA_TXCTRL_DESC_RRO_EN,
+ [TXCTL3] = E1000_DCA_TXCTRL_DATA_RRO_EN |
+ E1000_DCA_TXCTRL_TX_WB_RO_EN |
+ E1000_DCA_TXCTRL_DESC_RRO_EN,
+ [TXCTL4] = E1000_DCA_TXCTRL_DATA_RRO_EN |
+ E1000_DCA_TXCTRL_TX_WB_RO_EN |
+ E1000_DCA_TXCTRL_DESC_RRO_EN,
+ [TXCTL5] = E1000_DCA_TXCTRL_DATA_RRO_EN |
+ E1000_DCA_TXCTRL_TX_WB_RO_EN |
+ E1000_DCA_TXCTRL_DESC_RRO_EN,
+ [TXCTL6] = E1000_DCA_TXCTRL_DATA_RRO_EN |
+ E1000_DCA_TXCTRL_TX_WB_RO_EN |
+ E1000_DCA_TXCTRL_DESC_RRO_EN,
+ [TXCTL7] = E1000_DCA_TXCTRL_DATA_RRO_EN |
+ E1000_DCA_TXCTRL_TX_WB_RO_EN |
+ E1000_DCA_TXCTRL_DESC_RRO_EN,
+ [TXCTL8] = E1000_DCA_TXCTRL_DATA_RRO_EN |
+ E1000_DCA_TXCTRL_TX_WB_RO_EN |
+ E1000_DCA_TXCTRL_DESC_RRO_EN,
+ [TXCTL9] = E1000_DCA_TXCTRL_DATA_RRO_EN |
+ E1000_DCA_TXCTRL_TX_WB_RO_EN |
+ E1000_DCA_TXCTRL_DESC_RRO_EN,
+ [TXCTL10] = E1000_DCA_TXCTRL_DATA_RRO_EN |
+ E1000_DCA_TXCTRL_TX_WB_RO_EN |
+ E1000_DCA_TXCTRL_DESC_RRO_EN,
+ [TXCTL11] = E1000_DCA_TXCTRL_DATA_RRO_EN |
+ E1000_DCA_TXCTRL_TX_WB_RO_EN |
+ E1000_DCA_TXCTRL_DESC_RRO_EN,
+ [TXCTL12] = E1000_DCA_TXCTRL_DATA_RRO_EN |
+ E1000_DCA_TXCTRL_TX_WB_RO_EN |
+ E1000_DCA_TXCTRL_DESC_RRO_EN,
+ [TXCTL13] = E1000_DCA_TXCTRL_DATA_RRO_EN |
+ E1000_DCA_TXCTRL_TX_WB_RO_EN |
+ E1000_DCA_TXCTRL_DESC_RRO_EN,
+ [TXCTL14] = E1000_DCA_TXCTRL_DATA_RRO_EN |
+ E1000_DCA_TXCTRL_TX_WB_RO_EN |
+ E1000_DCA_TXCTRL_DESC_RRO_EN,
+ [TXCTL15] = E1000_DCA_TXCTRL_DATA_RRO_EN |
+ E1000_DCA_TXCTRL_TX_WB_RO_EN |
+ E1000_DCA_TXCTRL_DESC_RRO_EN,
+};
+
+static void igb_reset(IGBCore *core, bool sw)
+{
+ struct igb_tx *tx;
+ int i;
+
+ timer_del(core->autoneg_timer);
+
+ igb_intrmgr_reset(core);
+
+ memset(core->phy, 0, sizeof core->phy);
+ memcpy(core->phy, igb_phy_reg_init, sizeof igb_phy_reg_init);
+
+ for (i = 0; i < E1000E_MAC_SIZE; i++) {
+ if (sw &&
+ (i == RXPBS || i == TXPBS ||
+ (i >= EITR0 && i < EITR0 + IGB_INTR_NUM))) {
+ continue;
+ }
+
+ core->mac[i] = i < ARRAY_SIZE(igb_mac_reg_init) ?
+ igb_mac_reg_init[i] : 0;
+ }
+
+ if (qemu_get_queue(core->owner_nic)->link_down) {
+ igb_link_down(core);
+ }
+
+ e1000x_reset_mac_addr(core->owner_nic, core->mac, core->permanent_mac);
+
+ for (i = 0; i < ARRAY_SIZE(core->tx); i++) {
+ tx = &core->tx[i];
+ net_tx_pkt_reset(tx->tx_pkt);
+ tx->vlan = 0;
+ tx->mss = 0;
+ tx->tse = false;
+ tx->ixsm = false;
+ tx->txsm = false;
+ tx->first = true;
+ tx->skip_cp = false;
+ }
+}
+
+void
+igb_core_reset(IGBCore *core)
+{
+ igb_reset(core, false);
+}
+
+void igb_core_pre_save(IGBCore *core)
+{
+ int i;
+ NetClientState *nc = qemu_get_queue(core->owner_nic);
+
+ /*
+ * If link is down and auto-negotiation is supported and ongoing,
+ * complete auto-negotiation immediately. This allows us to look
+ * at MII_BMSR_AN_COMP to infer link status on load.
+ */
+ if (nc->link_down && igb_have_autoneg(core)) {
+ core->phy[MII_BMSR] |= MII_BMSR_AN_COMP;
+ igb_update_flowctl_status(core);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(core->tx); i++) {
+ if (net_tx_pkt_has_fragments(core->tx[i].tx_pkt)) {
+ core->tx[i].skip_cp = true;
+ }
+ }
+}
+
+int
+igb_core_post_load(IGBCore *core)
+{
+ NetClientState *nc = qemu_get_queue(core->owner_nic);
+
+ /*
+ * nc.link_down can't be migrated, so infer link_down according
+ * to link status bit in core.mac[STATUS].
+ */
+ nc->link_down = (core->mac[STATUS] & E1000_STATUS_LU) == 0;
+
+ return 0;
+}
new file mode 100644
@@ -0,0 +1,146 @@
+/*
+ * Core code for QEMU igb emulation
+ *
+ * Datasheet:
+ * https://www.intel.com/content/dam/www/public/us/en/documents/datasheets/82576eg-gbe-datasheet.pdf
+ *
+ * Copyright (c) 2020-2023 Red Hat, Inc.
+ * Copyright (c) 2015 Ravello Systems LTD (http://ravellosystems.com)
+ * Developed by Daynix Computing LTD (http://www.daynix.com)
+ *
+ * Authors:
+ * Akihiko Odaki <akihiko.odaki@daynix.com>
+ * Gal Hammmer <gal.hammer@sap.com>
+ * Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
+ * Dmitry Fleytman <dmitry@daynix.com>
+ * Leonid Bloch <leonid@daynix.com>
+ * Yan Vugenfirer <yan@daynix.com>
+ *
+ * Based on work done by:
+ * Nir Peleg, Tutis Systems Ltd. for Qumranet Inc.
+ * Copyright (c) 2008 Qumranet
+ * Based on work done by:
+ * Copyright (c) 2007 Dan Aloni
+ * Copyright (c) 2004 Antony T Curtis
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef HW_NET_IGB_CORE_H
+#define HW_NET_IGB_CORE_H
+
+#define E1000E_MAC_SIZE (0x8000)
+#define IGB_EEPROM_SIZE (1024)
+
+#define IGB_INTR_NUM (25)
+#define IGB_MSIX_VEC_NUM (10)
+#define IGBVF_MSIX_VEC_NUM (3)
+#define IGB_NUM_QUEUES (16)
+
+typedef struct IGBCore IGBCore;
+
+enum { PHY_R = BIT(0),
+ PHY_W = BIT(1),
+ PHY_RW = PHY_R | PHY_W };
+
+typedef struct IGBIntrDelayTimer_st {
+ QEMUTimer *timer;
+ bool running;
+ uint32_t delay_reg;
+ uint32_t delay_resolution_ns;
+ IGBCore *core;
+} IGBIntrDelayTimer;
+
+struct IGBCore {
+ uint32_t mac[E1000E_MAC_SIZE];
+ uint16_t phy[MAX_PHY_REG_ADDRESS + 1];
+ uint16_t eeprom[IGB_EEPROM_SIZE];
+
+ uint8_t rx_desc_len;
+
+ QEMUTimer *autoneg_timer;
+
+ struct igb_tx {
+ uint16_t vlan; /* VLAN Tag */
+ uint16_t mss; /* Maximum Segment Size */
+ bool tse; /* TCP/UDP Segmentation Enable */
+ bool ixsm; /* Insert IP Checksum */
+ bool txsm; /* Insert TCP/UDP Checksum */
+
+ bool first;
+ bool skip_cp;
+
+ struct NetTxPkt *tx_pkt;
+ } tx[IGB_NUM_QUEUES];
+
+ struct NetRxPkt *rx_pkt;
+
+ bool has_vnet;
+ int max_queue_num;
+
+ IGBIntrDelayTimer eitr[IGB_INTR_NUM];
+
+ VMChangeStateEntry *vmstate;
+
+ uint32_t eitr_guest_value[IGB_INTR_NUM];
+
+ uint8_t permanent_mac[ETH_ALEN];
+
+ NICState *owner_nic;
+ PCIDevice *owner;
+ void (*owner_start_recv)(PCIDevice *d);
+
+ int64_t timadj;
+};
+
+void
+igb_core_write(IGBCore *core, hwaddr addr, uint64_t val, unsigned size);
+
+uint64_t
+igb_core_read(IGBCore *core, hwaddr addr, unsigned size);
+
+void
+igb_core_pci_realize(IGBCore *regs,
+ const uint16_t *eeprom_templ,
+ uint32_t eeprom_size,
+ const uint8_t *macaddr);
+
+void
+igb_core_reset(IGBCore *core);
+
+void
+igb_core_pre_save(IGBCore *core);
+
+int
+igb_core_post_load(IGBCore *core);
+
+void
+igb_core_set_link_status(IGBCore *core);
+
+void
+igb_core_pci_uninit(IGBCore *core);
+
+bool
+igb_can_receive(IGBCore *core);
+
+ssize_t
+igb_receive(IGBCore *core, const uint8_t *buf, size_t size);
+
+ssize_t
+igb_receive_iov(IGBCore *core, const struct iovec *iov, int iovcnt);
+
+void
+igb_start_recv(IGBCore *core);
+
+#endif
new file mode 100644
@@ -0,0 +1,648 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * This is copied + edited from kernel header files in
+ * drivers/net/ethernet/intel/igb
+ */
+
+#ifndef HW_IGB_REGS_H_
+#define HW_IGB_REGS_H_
+
+#include "e1000x_regs.h"
+
+/* from igb/e1000_hw.h */
+
+#define E1000_DEV_ID_82576 0x10C9
+#define E1000_DEV_ID_82576_FIBER 0x10E6
+#define E1000_DEV_ID_82576_SERDES 0x10E7
+#define E1000_DEV_ID_82576_QUAD_COPPER 0x10E8
+#define E1000_DEV_ID_82576_QUAD_COPPER_ET2 0x1526
+#define E1000_DEV_ID_82576_NS 0x150A
+#define E1000_DEV_ID_82576_NS_SERDES 0x1518
+#define E1000_DEV_ID_82576_SERDES_QUAD 0x150D
+
+/* Context Descriptor */
+struct e1000_adv_tx_context_desc {
+ uint32_t vlan_macip_lens;
+ uint32_t seqnum_seed;
+ uint32_t type_tucmd_mlhl;
+ uint32_t mss_l4len_idx;
+};
+
+/* Advanced Transmit Descriptor */
+union e1000_adv_tx_desc {
+ struct {
+ uint64_t buffer_addr; /* Address of descriptor's data buffer */
+ uint32_t cmd_type_len;
+ uint32_t olinfo_status;
+ } read;
+ struct {
+ uint64_t rsvd; /* Reserved */
+ uint32_t nxtseq_seed;
+ uint32_t status;
+ } wb;
+};
+
+#define E1000_ADVTXD_DTYP_CTXT 0x00200000 /* Advanced Context Descriptor */
+#define E1000_ADVTXD_DTYP_DATA 0x00300000 /* Advanced Data Descriptor */
+#define E1000_ADVTXD_DCMD_DEXT 0x20000000 /* Descriptor Extension (1=Adv) */
+#define E1000_ADVTXD_DCMD_TSE 0x80000000 /* TCP/UDP Segmentation Enable */
+
+#define E1000_ADVTXD_POTS_IXSM 0x00000100 /* Insert TCP/UDP Checksum */
+#define E1000_ADVTXD_POTS_TXSM 0x00000200 /* Insert TCP/UDP Checksum */
+
+#define E1000_TXD_POPTS_IXSM 0x00000001 /* Insert IP checksum */
+#define E1000_TXD_POPTS_TXSM 0x00000002 /* Insert TCP/UDP checksum */
+
+/* Receive Descriptor - Advanced */
+union e1000_adv_rx_desc {
+ struct {
+ uint64_t pkt_addr; /* Packet Buffer Address */
+ uint64_t hdr_addr; /* Header Buffer Address */
+ } read;
+ struct {
+ struct {
+ struct {
+ uint16_t pkt_info; /* RSS Type, Packet Type */
+ uint16_t hdr_info; /* Split Head, Buffer Length */
+ } lo_dword;
+ union {
+ uint32_t rss; /* RSS Hash */
+ struct {
+ uint16_t ip_id; /* IP Id */
+ uint16_t csum; /* Packet Checksum */
+ } csum_ip;
+ } hi_dword;
+ } lower;
+ struct {
+ uint32_t status_error; /* Ext Status/Error */
+ uint16_t length; /* Packet Length */
+ uint16_t vlan; /* VLAN tag */
+ } upper;
+ } wb; /* writeback */
+};
+
+/* from igb/e1000_phy.h */
+
+/* IGP01E1000 Specific Registers */
+#define IGP01E1000_PHY_PORT_CONFIG 0x10 /* Port Config */
+#define IGP01E1000_PHY_PORT_STATUS 0x11 /* Status */
+#define IGP01E1000_PHY_PORT_CTRL 0x12 /* Control */
+#define IGP01E1000_PHY_LINK_HEALTH 0x13 /* PHY Link Health */
+#define IGP02E1000_PHY_POWER_MGMT 0x19 /* Power Management */
+#define IGP01E1000_PHY_PAGE_SELECT 0x1F /* Page Select */
+#define IGP01E1000_PHY_PCS_INIT_REG 0x00B4
+#define IGP01E1000_PHY_POLARITY_MASK 0x0078
+#define IGP01E1000_PSCR_AUTO_MDIX 0x1000
+#define IGP01E1000_PSCR_FORCE_MDI_MDIX 0x2000 /* 0=MDI, 1=MDIX */
+#define IGP01E1000_PSCFR_SMART_SPEED 0x0080
+
+/* Enable flexible speed on link-up */
+#define IGP02E1000_PM_D0_LPLU 0x0002 /* For D0a states */
+#define IGP02E1000_PM_D3_LPLU 0x0004 /* For all other states */
+#define IGP01E1000_PLHR_SS_DOWNGRADE 0x8000
+#define IGP01E1000_PSSR_POLARITY_REVERSED 0x0002
+#define IGP01E1000_PSSR_MDIX 0x0800
+#define IGP01E1000_PSSR_SPEED_MASK 0xC000
+#define IGP01E1000_PSSR_SPEED_1000MBPS 0xC000
+#define IGP02E1000_PHY_CHANNEL_NUM 4
+#define IGP02E1000_PHY_AGC_A 0x11B1
+#define IGP02E1000_PHY_AGC_B 0x12B1
+#define IGP02E1000_PHY_AGC_C 0x14B1
+#define IGP02E1000_PHY_AGC_D 0x18B1
+#define IGP02E1000_AGC_LENGTH_SHIFT 9 /* Course - 15:13, Fine - 12:9 */
+#define IGP02E1000_AGC_LENGTH_MASK 0x7F
+#define IGP02E1000_AGC_RANGE 15
+
+/* from igb/igb.h */
+
+#define E1000_PCS_CFG_IGN_SD 1
+
+/* Interrupt defines */
+#define IGB_START_ITR 648 /* ~6000 ints/sec */
+#define IGB_4K_ITR 980
+#define IGB_20K_ITR 196
+#define IGB_70K_ITR 56
+
+/* TX/RX descriptor defines */
+#define IGB_DEFAULT_TXD 256
+#define IGB_DEFAULT_TX_WORK 128
+#define IGB_MIN_TXD 80
+#define IGB_MAX_TXD 4096
+
+#define IGB_DEFAULT_RXD 256
+#define IGB_MIN_RXD 80
+#define IGB_MAX_RXD 4096
+
+#define IGB_DEFAULT_ITR 3 /* dynamic */
+#define IGB_MAX_ITR_USECS 10000
+#define IGB_MIN_ITR_USECS 10
+#define NON_Q_VECTORS 1
+#define MAX_Q_VECTORS 8
+#define MAX_MSIX_ENTRIES 10
+
+/* Transmit and receive queues */
+#define IGB_MAX_RX_QUEUES 8
+#define IGB_MAX_RX_QUEUES_82575 4
+#define IGB_MAX_RX_QUEUES_I211 2
+#define IGB_MAX_TX_QUEUES 8
+#define IGB_MAX_VF_MC_ENTRIES 30
+#define IGB_MAX_VF_FUNCTIONS 8
+#define IGB_MAX_VFTA_ENTRIES 128
+#define IGB_82576_VF_DEV_ID 0x10CA
+#define IGB_I350_VF_DEV_ID 0x1520
+
+/* from igb/e1000_82575.h */
+
+#define E1000_MRQC_ENABLE_RSS_MQ 0x00000002
+#define E1000_MRQC_ENABLE_VMDQ 0x00000003
+#define E1000_MRQC_RSS_FIELD_IPV4_UDP 0x00400000
+#define E1000_MRQC_ENABLE_VMDQ_RSS_MQ 0x00000005
+#define E1000_MRQC_RSS_FIELD_IPV6_UDP 0x00800000
+#define E1000_MRQC_RSS_FIELD_IPV6_UDP_EX 0x01000000
+
+/* Additional Receive Descriptor Control definitions */
+#define E1000_RXDCTL_QUEUE_ENABLE 0x02000000 /* Enable specific Rx Queue */
+
+/* Direct Cache Access (DCA) definitions */
+#define E1000_DCA_CTRL_DCA_MODE_DISABLE 0x01 /* DCA Disable */
+#define E1000_DCA_CTRL_DCA_MODE_CB2 0x02 /* DCA Mode CB2 */
+
+#define E1000_DCA_RXCTRL_CPUID_MASK 0x0000001F /* Rx CPUID Mask */
+#define E1000_DCA_RXCTRL_DESC_DCA_EN BIT(5) /* DCA Rx Desc enable */
+#define E1000_DCA_RXCTRL_HEAD_DCA_EN BIT(6) /* DCA Rx Desc header enable */
+#define E1000_DCA_RXCTRL_DATA_DCA_EN BIT(7) /* DCA Rx Desc payload enable */
+#define E1000_DCA_RXCTRL_DESC_RRO_EN BIT(9) /* DCA Rx rd Desc Relax Order */
+
+#define E1000_DCA_TXCTRL_CPUID_MASK 0x0000001F /* Tx CPUID Mask */
+#define E1000_DCA_TXCTRL_DESC_DCA_EN BIT(5) /* DCA Tx Desc enable */
+#define E1000_DCA_TXCTRL_DESC_RRO_EN BIT(9) /* Tx rd Desc Relax Order */
+#define E1000_DCA_TXCTRL_TX_WB_RO_EN BIT(11) /* Tx Desc writeback RO bit */
+#define E1000_DCA_TXCTRL_DATA_RRO_EN BIT(13) /* Tx rd data Relax Order */
+
+/* Additional DCA related definitions, note change in position of CPUID */
+#define E1000_DCA_TXCTRL_CPUID_MASK_82576 0xFF000000 /* Tx CPUID Mask */
+#define E1000_DCA_RXCTRL_CPUID_MASK_82576 0xFF000000 /* Rx CPUID Mask */
+#define E1000_DCA_TXCTRL_CPUID_SHIFT 24 /* Tx CPUID now in the last byte */
+#define E1000_DCA_RXCTRL_CPUID_SHIFT 24 /* Rx CPUID now in the last byte */
+
+#define E1000_DTXSWC_MAC_SPOOF_MASK 0x000000FF /* Per VF MAC spoof control */
+#define E1000_DTXSWC_VLAN_SPOOF_MASK 0x0000FF00 /* Per VF VLAN spoof control */
+#define E1000_DTXSWC_LLE_MASK 0x00FF0000 /* Per VF Local LB enables */
+#define E1000_DTXSWC_VLAN_SPOOF_SHIFT 8
+#define E1000_DTXSWC_VMDQ_LOOPBACK_EN BIT(31) /* global VF LB enable */
+
+/* Easy defines for setting default pool, would normally be left a zero */
+#define E1000_VT_CTL_DEFAULT_POOL_SHIFT 7
+#define E1000_VT_CTL_DEFAULT_POOL_MASK (0x7 << E1000_VT_CTL_DEFAULT_POOL_SHIFT)
+
+/* Other useful VMD_CTL register defines */
+#define E1000_VT_CTL_IGNORE_MAC BIT(28)
+#define E1000_VT_CTL_DISABLE_DEF_POOL BIT(29)
+#define E1000_VT_CTL_VM_REPL_EN BIT(30)
+
+/* Per VM Offload register setup */
+#define E1000_VMOLR_RLPML_MASK 0x00003FFF /* Long Packet Maximum Length mask */
+#define E1000_VMOLR_LPE 0x00010000 /* Accept Long packet */
+#define E1000_VMOLR_RSSE 0x00020000 /* Enable RSS */
+#define E1000_VMOLR_AUPE 0x01000000 /* Accept untagged packets */
+#define E1000_VMOLR_ROMPE 0x02000000 /* Accept overflow multicast */
+#define E1000_VMOLR_ROPE 0x04000000 /* Accept overflow unicast */
+#define E1000_VMOLR_BAM 0x08000000 /* Accept Broadcast packets */
+#define E1000_VMOLR_MPME 0x10000000 /* Multicast promiscuous mode */
+#define E1000_VMOLR_STRVLAN 0x40000000 /* Vlan stripping enable */
+#define E1000_VMOLR_STRCRC 0x80000000 /* CRC stripping enable */
+
+#define E1000_DVMOLR_HIDEVLAN 0x20000000 /* Hide vlan enable */
+#define E1000_DVMOLR_STRVLAN 0x40000000 /* Vlan stripping enable */
+#define E1000_DVMOLR_STRCRC 0x80000000 /* CRC stripping enable */
+
+#define E1000_VLVF_ARRAY_SIZE 32
+#define E1000_VLVF_VLANID_MASK 0x00000FFF
+#define E1000_VLVF_POOLSEL_SHIFT 12
+#define E1000_VLVF_POOLSEL_MASK (0xFF << E1000_VLVF_POOLSEL_SHIFT)
+#define E1000_VLVF_LVLAN 0x00100000
+#define E1000_VLVF_VLANID_ENABLE 0x80000000
+
+#define E1000_VMVIR_VLANA_DEFAULT 0x40000000 /* Always use default VLAN */
+#define E1000_VMVIR_VLANA_NEVER 0x80000000 /* Never insert VLAN tag */
+
+#define E1000_IOVCTL 0x05BBC
+#define E1000_IOVCTL_REUSE_VFQ 0x00000001
+
+#define E1000_RPLOLR_STRVLAN 0x40000000
+#define E1000_RPLOLR_STRCRC 0x80000000
+
+#define E1000_DTXCTL_8023LL 0x0004
+#define E1000_DTXCTL_VLAN_ADDED 0x0008
+#define E1000_DTXCTL_OOS_ENABLE 0x0010
+#define E1000_DTXCTL_MDP_EN 0x0020
+#define E1000_DTXCTL_SPOOF_INT 0x0040
+
+/* from igb/e1000_defines.h */
+
+#define E1000_IVAR_VALID 0x80
+#define E1000_GPIE_NSICR 0x00000001
+#define E1000_GPIE_MSIX_MODE 0x00000010
+#define E1000_GPIE_EIAME 0x40000000
+#define E1000_GPIE_PBA 0x80000000
+
+/* Transmit Control */
+#define E1000_TCTL_EN 0x00000002 /* enable tx */
+#define E1000_TCTL_PSP 0x00000008 /* pad short packets */
+#define E1000_TCTL_CT 0x00000ff0 /* collision threshold */
+#define E1000_TCTL_COLD 0x003ff000 /* collision distance */
+#define E1000_TCTL_RTLC 0x01000000 /* Re-transmit on late collision */
+
+/* Collision related configuration parameters */
+#define E1000_COLLISION_THRESHOLD 15
+#define E1000_CT_SHIFT 4
+#define E1000_COLLISION_DISTANCE 63
+#define E1000_COLD_SHIFT 12
+
+#define E1000_RAH_POOL_MASK 0x03FC0000
+#define E1000_RAH_POOL_1 0x00040000
+
+#define E1000_ICR_VMMB 0x00000100 /* VM MB event */
+#define E1000_ICR_TS 0x00080000 /* Time Sync Interrupt */
+#define E1000_ICR_DRSTA 0x40000000 /* Device Reset Asserted */
+/* If this bit asserted, the driver should claim the interrupt */
+#define E1000_ICR_INT_ASSERTED 0x80000000
+/* LAN connected device generates an interrupt */
+#define E1000_ICR_DOUTSYNC 0x10000000 /* NIC DMA out of sync */
+
+/* Extended Interrupt Cause Read */
+#define E1000_EICR_RX_QUEUE0 0x00000001 /* Rx Queue 0 Interrupt */
+#define E1000_EICR_RX_QUEUE1 0x00000002 /* Rx Queue 1 Interrupt */
+#define E1000_EICR_RX_QUEUE2 0x00000004 /* Rx Queue 2 Interrupt */
+#define E1000_EICR_RX_QUEUE3 0x00000008 /* Rx Queue 3 Interrupt */
+#define E1000_EICR_TX_QUEUE0 0x00000100 /* Tx Queue 0 Interrupt */
+#define E1000_EICR_TX_QUEUE1 0x00000200 /* Tx Queue 1 Interrupt */
+#define E1000_EICR_TX_QUEUE2 0x00000400 /* Tx Queue 2 Interrupt */
+#define E1000_EICR_TX_QUEUE3 0x00000800 /* Tx Queue 3 Interrupt */
+#define E1000_EICR_OTHER 0x80000000 /* Interrupt Cause Active */
+
+/* Extended Interrupt Cause Set */
+/* E1000_EITR_CNT_IGNR is only for 82576 and newer */
+#define E1000_EITR_CNT_IGNR 0x80000000 /* Don't reset counters on write */
+
+/* PCI Express Control */
+#define E1000_GCR_CMPL_TMOUT_MASK 0x0000F000
+#define E1000_GCR_CMPL_TMOUT_10ms 0x00001000
+#define E1000_GCR_CMPL_TMOUT_RESEND 0x00010000
+#define E1000_GCR_CAP_VER2 0x00040000
+
+#define PHY_REVISION_MASK 0xFFFFFFF0
+#define MAX_PHY_REG_ADDRESS 0x1F /* 5 bit address bus (0-0x1F) */
+#define MAX_PHY_MULTI_PAGE_REG 0xF
+
+#define IGP03E1000_E_PHY_ID 0x02A80390
+
+/* from igb/e1000_mbox.h */
+
+#define E1000_P2VMAILBOX_STS 0x00000001 /* Initiate message send to VF */
+#define E1000_P2VMAILBOX_ACK 0x00000002 /* Ack message recv'd from VF */
+#define E1000_P2VMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */
+#define E1000_P2VMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */
+#define E1000_P2VMAILBOX_RVFU 0x00000010 /* Reset VFU - used when VF stuck */
+
+#define E1000_MBVFICR_VFREQ_MASK 0x000000FF /* bits for VF messages */
+#define E1000_MBVFICR_VFREQ_VF1 0x00000001 /* bit for VF 1 message */
+#define E1000_MBVFICR_VFACK_MASK 0x00FF0000 /* bits for VF acks */
+#define E1000_MBVFICR_VFACK_VF1 0x00010000 /* bit for VF 1 ack */
+
+#define E1000_V2PMAILBOX_SIZE 16 /* 16 32 bit words - 64 bytes */
+
+/*
+ * If it's a E1000_VF_* msg then it originates in the VF and is sent to the
+ * PF. The reverse is true if it is E1000_PF_*.
+ * Message ACK's are the value or'd with 0xF0000000
+ */
+/* Messages below or'd with this are the ACK */
+#define E1000_VT_MSGTYPE_ACK 0x80000000
+/* Messages below or'd with this are the NACK */
+#define E1000_VT_MSGTYPE_NACK 0x40000000
+/* Indicates that VF is still clear to send requests */
+#define E1000_VT_MSGTYPE_CTS 0x20000000
+#define E1000_VT_MSGINFO_SHIFT 16
+/* bits 23:16 are used for exra info for certain messages */
+#define E1000_VT_MSGINFO_MASK (0xFF << E1000_VT_MSGINFO_SHIFT)
+
+#define E1000_VF_RESET 0x01 /* VF requests reset */
+#define E1000_VF_SET_MAC_ADDR 0x02 /* VF requests to set MAC addr */
+/* VF requests to clear all unicast MAC filters */
+#define E1000_VF_MAC_FILTER_CLR (0x01 << E1000_VT_MSGINFO_SHIFT)
+/* VF requests to add unicast MAC filter */
+#define E1000_VF_MAC_FILTER_ADD (0x02 << E1000_VT_MSGINFO_SHIFT)
+#define E1000_VF_SET_MULTICAST 0x03 /* VF requests to set MC addr */
+#define E1000_VF_SET_VLAN 0x04 /* VF requests to set VLAN */
+#define E1000_VF_SET_LPE 0x05 /* VF requests to set VMOLR.LPE */
+#define E1000_VF_SET_PROMISC 0x06 /*VF requests to clear VMOLR.ROPE/MPME*/
+#define E1000_VF_SET_PROMISC_MULTICAST (0x02 << E1000_VT_MSGINFO_SHIFT)
+
+#define E1000_PF_CONTROL_MSG 0x0100 /* PF control message */
+
+/* from igb/e1000_regs.h */
+
+#define E1000_EICR 0x01580 /* Ext. Interrupt Cause Read - R/clr */
+#define E1000_EITR(_n) (0x01680 + (0x4 * (_n)))
+#define E1000_EICS 0x01520 /* Ext. Interrupt Cause Set - W0 */
+#define E1000_EIMS 0x01524 /* Ext. Interrupt Mask Set/Read - RW */
+#define E1000_EIMC 0x01528 /* Ext. Interrupt Mask Clear - WO */
+#define E1000_EIAC 0x0152C /* Ext. Interrupt Auto Clear - RW */
+#define E1000_EIAM 0x01530 /* Ext. Interrupt Ack Auto Clear Mask - RW */
+#define E1000_GPIE 0x01514 /* General Purpose Interrupt Enable; RW */
+#define E1000_IVAR0 0x01700 /* Interrupt Vector Allocation Register - RW */
+#define E1000_IVAR_MISC 0x01740 /* Interrupt Vector Allocation Register (last) - RW */
+#define E1000_FRTIMER 0x01048 /* Free Running Timer - RW */
+#define E1000_FCRTV 0x02460 /* Flow Control Refresh Timer Value - RW */
+
+#define E1000_RQDPC(_n) (0x0C030 + ((_n) * 0x40))
+
+#define E1000_RXPBS 0x02404 /* Rx Packet Buffer Size - RW */
+#define E1000_TXPBS 0x03404 /* Tx Packet Buffer Size - RW */
+
+#define E1000_DTXCTL 0x03590 /* DMA TX Control - RW */
+
+#define E1000_HTCBDPC 0x04124 /* Host TX Circuit Breaker Dropped Count */
+#define E1000_RLPML 0x05004 /* RX Long Packet Max Length */
+#define E1000_RA2 0x054E0 /* 2nd half of Rx address array - RW Array */
+#define E1000_PSRTYPE(_i) (0x05480 + ((_i) * 4))
+#define E1000_VT_CTL 0x0581C /* VMDq Control - RW */
+
+/* VT Registers */
+#define E1000_MBVFICR 0x00C80 /* Mailbox VF Cause - RWC */
+#define E1000_MBVFIMR 0x00C84 /* Mailbox VF int Mask - RW */
+#define E1000_VFLRE 0x00C88 /* VF Register Events - RWC */
+#define E1000_VFRE 0x00C8C /* VF Receive Enables */
+#define E1000_VFTE 0x00C90 /* VF Transmit Enables */
+#define E1000_QDE 0x02408 /* Queue Drop Enable - RW */
+#define E1000_DTXSWC 0x03500 /* DMA Tx Switch Control - RW */
+#define E1000_WVBR 0x03554 /* VM Wrong Behavior - RWS */
+#define E1000_RPLOLR 0x05AF0 /* Replication Offload - RW */
+#define E1000_UTA 0x0A000 /* Unicast Table Array - RW */
+#define E1000_IOVTCL 0x05BBC /* IOV Control Register */
+#define E1000_TXSWC 0x05ACC /* Tx Switch Control */
+#define E1000_LVMMC 0x03548 /* Last VM Misbehavior cause */
+/* These act per VF so an array friendly macro is used */
+#define E1000_P2VMAILBOX(_n) (0x00C00 + (4 * (_n)))
+#define E1000_VMBMEM(_n) (0x00800 + (64 * (_n)))
+#define E1000_VMOLR(_n) (0x05AD0 + (4 * (_n)))
+#define E1000_DVMOLR(_n) (0x0C038 + (64 * (_n)))
+#define E1000_VLVF(_n) (0x05D00 + (4 * (_n))) /* VLAN VM Filter */
+#define E1000_VMVIR(_n) (0x03700 + (4 * (_n)))
+
+/* from igbvf/defines.h */
+
+/* SRRCTL bit definitions */
+#define E1000_SRRCTL_BSIZEPKT_SHIFT 10 /* Shift _right_ */
+#define E1000_SRRCTL_BSIZEHDRSIZE_MASK 0x00000F00
+#define E1000_SRRCTL_BSIZEHDRSIZE_SHIFT 2 /* Shift _left_ */
+#define E1000_SRRCTL_DESCTYPE_ADV_ONEBUF 0x02000000
+#define E1000_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS 0x0A000000
+#define E1000_SRRCTL_DESCTYPE_MASK 0x0E000000
+#define E1000_SRRCTL_DROP_EN 0x80000000
+
+#define E1000_SRRCTL_BSIZEPKT_MASK 0x0000007F
+#define E1000_SRRCTL_BSIZEHDR_MASK 0x00003F00
+
+/* from igbvf/mbox.h */
+
+#define E1000_V2PMAILBOX_REQ 0x00000001 /* Request for PF Ready bit */
+#define E1000_V2PMAILBOX_ACK 0x00000002 /* Ack PF message received */
+#define E1000_V2PMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */
+#define E1000_V2PMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */
+#define E1000_V2PMAILBOX_PFSTS 0x00000010 /* PF wrote a message in the MB */
+#define E1000_V2PMAILBOX_PFACK 0x00000020 /* PF ack the previous VF msg */
+#define E1000_V2PMAILBOX_RSTI 0x00000040 /* PF has reset indication */
+#define E1000_V2PMAILBOX_RSTD 0x00000080 /* PF has indicated reset done */
+#define E1000_V2PMAILBOX_R2C_BITS 0x000000B0 /* All read to clear bits */
+
+#define E1000_VFMAILBOX_SIZE 16 /* 16 32 bit words - 64 bytes */
+
+/*
+ * If it's a E1000_VF_* msg then it originates in the VF and is sent to the
+ * PF. The reverse is true if it is E1000_PF_*.
+ * Message ACK's are the value or'd with 0xF0000000
+ */
+/* Messages below or'd with this are the ACK */
+#define E1000_VT_MSGTYPE_ACK 0x80000000
+/* Messages below or'd with this are the NACK */
+#define E1000_VT_MSGTYPE_NACK 0x40000000
+/* Indicates that VF is still clear to send requests */
+#define E1000_VT_MSGTYPE_CTS 0x20000000
+
+/* We have a total wait time of 1s for vf mailbox posted messages */
+#define E1000_VF_MBX_INIT_TIMEOUT 2000 /* retry count for mbx timeout */
+#define E1000_VF_MBX_INIT_DELAY 500 /* usec delay between retries */
+
+#define E1000_VT_MSGINFO_SHIFT 16
+/* bits 23:16 are used for exra info for certain messages */
+#define E1000_VT_MSGINFO_MASK (0xFF << E1000_VT_MSGINFO_SHIFT)
+
+#define E1000_VF_RESET 0x01 /* VF requests reset */
+#define E1000_VF_SET_MAC_ADDR 0x02 /* VF requests PF to set MAC addr */
+/* VF requests PF to clear all unicast MAC filters */
+#define E1000_VF_MAC_FILTER_CLR (0x01 << E1000_VT_MSGINFO_SHIFT)
+/* VF requests PF to add unicast MAC filter */
+#define E1000_VF_MAC_FILTER_ADD (0x02 << E1000_VT_MSGINFO_SHIFT)
+#define E1000_VF_SET_MULTICAST 0x03 /* VF requests PF to set MC addr */
+#define E1000_VF_SET_VLAN 0x04 /* VF requests PF to set VLAN */
+#define E1000_VF_SET_LPE 0x05 /* VF requests PF to set VMOLR.LPE */
+
+#define E1000_PF_CONTROL_MSG 0x0100 /* PF control message */
+
+/* from igbvf/regs.h */
+
+/* Statistics registers */
+#define E1000_VFGPRC 0x00F10
+#define E1000_VFGORC 0x00F18
+#define E1000_VFMPRC 0x00F3C
+#define E1000_VFGPTC 0x00F14
+#define E1000_VFGOTC 0x00F34
+#define E1000_VFGOTLBC 0x00F50
+#define E1000_VFGPTLBC 0x00F44
+#define E1000_VFGORLBC 0x00F48
+#define E1000_VFGPRLBC 0x00F40
+
+/* These act per VF so an array friendly macro is used */
+#define E1000_V2PMAILBOX(_n) (0x00C40 + (4 * (_n)))
+#define E1000_VMBMEM(_n) (0x00800 + (64 * (_n)))
+
+/* from igbvf/vf.h */
+
+#define E1000_DEV_ID_82576_VF 0x10CA
+
+/* new */
+
+/* Receive Registers */
+
+/* RX Descriptor Base Low; RW */
+#define E1000_RDBAL(_n) (0x0C000 + (0x40 * (_n)))
+#define E1000_RDBAL_A(_n) (0x02800 + (0x100 * (_n)))
+
+/* RX Descriptor Base High; RW */
+#define E1000_RDBAH(_n) (0x0C004 + (0x40 * (_n)))
+#define E1000_RDBAH_A(_n) (0x02804 + (0x100 * (_n)))
+
+/* RX Descriptor Ring Length; RW */
+#define E1000_RDLEN(_n) (0x0C008 + (0x40 * (_n)))
+#define E1000_RDLEN_A(_n) (0x02808 + (0x100 * (_n)))
+
+/* Split and Replication Receive Control; RW */
+#define E1000_SRRCTL(_n) (0x0C00C + (0x40 * (_n)))
+#define E1000_SRRCTL_A(_n) (0x0280C + (0x100 * (_n)))
+
+/* RX Descriptor Head; RW */
+#define E1000_RDH(_n) (0x0C010 + (0x40 * (_n)))
+#define E1000_RDH_A(_n) (0x02810 + (0x100 * (_n)))
+
+/* RX DCA Control; RW */
+#define E1000_RXCTL(_n) (0x0C014 + (0x40 * (_n)))
+#define E1000_RXCTL_A(_n) (0x02814 + (0x100 * (_n)))
+
+/* RX Descriptor Tail; RW */
+#define E1000_RDT(_n) (0x0C018 + (0x40 * (_n)))
+#define E1000_RDT_A(_n) (0x02818 + (0x100 * (_n)))
+
+/* RX Descriptor Control; RW */
+#define E1000_RXDCTL(_n) (0x0C028 + (0x40 * (_n)))
+#define E1000_RXDCTL_A(_n) (0x02828 + (0x100 * (_n)))
+
+/* RX Queue Drop Packet Count; RC */
+#define E1000_RQDPC_A(_n) (0x02830 + (0x100 * (_n)))
+
+/* Transmit Registers */
+
+/* TX Descriptor Base Low; RW */
+#define E1000_TDBAL(_n) (0x0E000 + (0x40 * (_n)))
+#define E1000_TDBAL_A(_n) (0x03800 + (0x100 * (_n)))
+
+/* TX Descriptor Base High; RW */
+#define E1000_TDBAH(_n) (0x0E004 + (0x40 * (_n)))
+#define E1000_TDBAH_A(_n) (0x03804 + (0x100 * (_n)))
+
+/* TX Descriptor Ring Length; RW */
+#define E1000_TDLEN(_n) (0x0E008 + (0x40 * (_n)))
+#define E1000_TDLEN_A(_n) (0x03808 + (0x100 * (_n)))
+
+/* TX Descriptor Head; RW */
+#define E1000_TDH(_n) (0x0E010 + (0x40 * (_n)))
+#define E1000_TDH_A(_n) (0x03810 + (0x100 * (_n)))
+
+/* TX DCA Control; RW */
+#define E1000_TXCTL(_n) (0x0E014 + (0x40 * (_n)))
+#define E1000_TXCTL_A(_n) (0x03814 + (0x100 * (_n)))
+
+/* TX Descriptor Tail; RW */
+#define E1000_TDT(_n) (0x0E018 + (0x40 * (_n)))
+#define E1000_TDT_A(_n) (0x03818 + (0x100 * (_n)))
+
+/* TX Descriptor Control; RW */
+#define E1000_TXDCTL(_n) (0x0E028 + (0x40 * (_n)))
+#define E1000_TXDCTL_A(_n) (0x03828 + (0x100 * (_n)))
+
+/* TX Descriptor Completion Write–Back Address Low; RW */
+#define E1000_TDWBAL(_n) (0x0E038 + (0x40 * (_n)))
+#define E1000_TDWBAL_A(_n) (0x03838 + (0x100 * (_n)))
+
+/* TX Descriptor Completion Write–Back Address High; RW */
+#define E1000_TDWBAH(_n) (0x0E03C + (0x40 * (_n)))
+#define E1000_TDWBAH_A(_n) (0x0383C + (0x100 * (_n)))
+
+#define E1000_MTA_A 0x0200
+
+#define E1000_XDBAL_MASK (~(BIT(5) - 1)) /* TDBAL and RDBAL Registers Mask */
+
+#define E1000_ICR_MACSEC 0x00000020 /* MACSec */
+#define E1000_ICR_RX0 0x00000040 /* Receiver Overrun */
+#define E1000_ICR_GPI_SDP0 0x00000800 /* General Purpose, SDP0 pin */
+#define E1000_ICR_GPI_SDP1 0x00001000 /* General Purpose, SDP1 pin */
+#define E1000_ICR_GPI_SDP2 0x00002000 /* General Purpose, SDP2 pin */
+#define E1000_ICR_GPI_SDP3 0x00004000 /* General Purpose, SDP3 pin */
+#define E1000_ICR_PTRAP 0x00008000 /* Probe Trap */
+#define E1000_ICR_MNG 0x00040000 /* Management Event */
+#define E1000_ICR_OMED 0x00100000 /* Other Media Energy Detected */
+#define E1000_ICR_FER 0x00400000 /* Fatal Error */
+#define E1000_ICR_NFER 0x00800000 /* Non Fatal Error */
+#define E1000_ICR_CSRTO 0x01000000 /* CSR access Time Out Indication */
+#define E1000_ICR_SCE 0x02000000 /* Storm Control Event */
+#define E1000_ICR_SW_WD 0x04000000 /* Software Watchdog */
+
+/* Extended Interrupts */
+
+#define E1000_EICR_MSIX_MASK 0x01FFFFFF /* Bits used in MSI-X mode */
+#define E1000_EICR_LEGACY_MASK 0x4000FFFF /* Bits used in non MSI-X mode */
+
+/* Mirror VF Control (only RST bit); RW */
+#define E1000_PVTCTRL(_n) (0x10000 + (_n) * 0x100)
+
+/* Mirror Good Packets Received Count; RO */
+#define E1000_PVFGPRC(_n) (0x10010 + (_n) * 0x100)
+
+/* Mirror Good Packets Transmitted Count; RO */
+#define E1000_PVFGPTC(_n) (0x10014 + (_n) * 0x100)
+
+/* Mirror Good Octets Received Count; RO */
+#define E1000_PVFGORC(_n) (0x10018 + (_n) * 0x100)
+
+/* Mirror Extended Interrupt Cause Set; WO */
+#define E1000_PVTEICS(_n) (0x10020 + (_n) * 0x100)
+
+/* Mirror Extended Interrupt Mask Set/Read; RW */
+#define E1000_PVTEIMS(_n) (0x10024 + (_n) * 0x100)
+
+/* Mirror Extended Interrupt Mask Clear; WO */
+#define E1000_PVTEIMC(_n) (0x10028 + (_n) * 0x100)
+
+/* Mirror Extended Interrupt Auto Clear; RW */
+#define E1000_PVTEIAC(_n) (0x1002C + (_n) * 0x100)
+
+/* Mirror Extended Interrupt Auto Mask Enable; RW */
+#define E1000_PVTEIAM(_n) (0x10030 + (_n) * 0x100)
+
+/* Mirror Good Octets Transmitted Count; RO */
+#define E1000_PVFGOTC(_n) (0x10034 + (_n) * 0x100)
+
+/* Mirror Multicast Packets Received Count; RO */
+#define E1000_PVFMPRC(_n) (0x1003C + (_n) * 0x100)
+
+/* Mirror Good RX Packets loopback Count; RO */
+#define E1000_PVFGPRLBC(_n) (0x10040 + (_n) * 0x100)
+
+/* Mirror Good TX packets loopback Count; RO */
+#define E1000_PVFGPTLBC(_n) (0x10044 + (_n) * 0x100)
+
+/* Mirror Good RX Octets loopback Count; RO */
+#define E1000_PVFGORLBC(_n) (0x10048 + (_n) * 0x100)
+
+/* Mirror Good TX Octets loopback Count; RO */
+#define E1000_PVFGOTLBC(_n) (0x10050 + (_n) * 0x100)
+
+/* Mirror Extended Interrupt Cause Set; RC/W1C */
+#define E1000_PVTEICR(_n) (0x10080 + (_n) * 0x100)
+
+/*
+ * These are fake addresses that, according to the specification, the device
+ * is not using. They are used to distinguish between the PF and the VFs
+ * accessing their VTIVAR register (which is the same address, 0x1700)
+ */
+#define E1000_VTIVAR 0x11700
+#define E1000_VTIVAR_MISC 0x11720
+
+#define E1000_RSS_QUEUE(reta, hash) (E1000_RETA_VAL(reta, hash) & 0x0F)
+
+#define E1000_STATUS_IOV_MODE 0x00040000
+
+#define E1000_STATUS_NUM_VFS_SHIFT 14
+
+static inline uint8_t igb_ivar_entry_rx(uint8_t i)
+{
+ return i < 8 ? i * 4 : (i - 8) * 4 + 2;
+}
+
+static inline uint8_t igb_ivar_entry_tx(uint8_t i)
+{
+ return i < 8 ? i * 4 + 1 : (i - 8) * 4 + 3;
+}
+
+#endif
new file mode 100644
@@ -0,0 +1,327 @@
+/*
+ * QEMU Intel 82576 SR/IOV Ethernet Controller Emulation
+ *
+ * Datasheet:
+ * https://www.intel.com/content/dam/www/public/us/en/documents/datasheets/82576eg-gbe-datasheet.pdf
+ *
+ * Copyright (c) 2020-2023 Red Hat, Inc.
+ * Copyright (c) 2015 Ravello Systems LTD (http://ravellosystems.com)
+ * Developed by Daynix Computing LTD (http://www.daynix.com)
+ *
+ * Authors:
+ * Akihiko Odaki <akihiko.odaki@daynix.com>
+ * Gal Hammmer <gal.hammer@sap.com>
+ * Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
+ * Dmitry Fleytman <dmitry@daynix.com>
+ * Leonid Bloch <leonid@daynix.com>
+ * Yan Vugenfirer <yan@daynix.com>
+ *
+ * Based on work done by:
+ * Nir Peleg, Tutis Systems Ltd. for Qumranet Inc.
+ * Copyright (c) 2008 Qumranet
+ * Based on work done by:
+ * Copyright (c) 2007 Dan Aloni
+ * Copyright (c) 2004 Antony T Curtis
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "hw/hw.h"
+#include "hw/net/mii.h"
+#include "hw/pci/pci_device.h"
+#include "hw/pci/pcie.h"
+#include "hw/pci/msix.h"
+#include "net/eth.h"
+#include "net/net.h"
+#include "igb_common.h"
+#include "igb_core.h"
+#include "trace.h"
+#include "qapi/error.h"
+
+#define TYPE_IGBVF "igbvf"
+OBJECT_DECLARE_SIMPLE_TYPE(IgbVfState, IGBVF)
+
+#define IGBVF_MMIO_BAR_IDX (0)
+#define IGBVF_MSIX_BAR_IDX (3)
+
+#define IGBVF_MMIO_SIZE (16 * 1024)
+#define IGBVF_MSIX_SIZE (16 * 1024)
+
+struct IgbVfState {
+ PCIDevice parent_obj;
+
+ MemoryRegion mmio;
+ MemoryRegion msix;
+};
+
+static hwaddr vf_to_pf_addr(hwaddr addr, uint16_t vfn, bool write)
+{
+ switch (addr) {
+ case E1000_CTRL:
+ case E1000_CTRL_DUP:
+ return E1000_PVTCTRL(vfn);
+ case E1000_EICS:
+ return E1000_PVTEICS(vfn);
+ case E1000_EIMS:
+ return E1000_PVTEIMS(vfn);
+ case E1000_EIMC:
+ return E1000_PVTEIMC(vfn);
+ case E1000_EIAC:
+ return E1000_PVTEIAC(vfn);
+ case E1000_EIAM:
+ return E1000_PVTEIAM(vfn);
+ case E1000_EICR:
+ return E1000_PVTEICR(vfn);
+ case E1000_EITR(0):
+ case E1000_EITR(1):
+ case E1000_EITR(2):
+ return E1000_EITR(22) + (addr - E1000_EITR(0)) - vfn * 0xC;
+ case E1000_IVAR0:
+ return E1000_VTIVAR + vfn * 4;
+ case E1000_IVAR_MISC:
+ return E1000_VTIVAR_MISC + vfn * 4;
+ case 0x0F04: /* PBACL */
+ return E1000_PBACLR;
+ case 0x0F0C: /* PSRTYPE */
+ return E1000_PSRTYPE(vfn);
+ case E1000_V2PMAILBOX(0):
+ return E1000_V2PMAILBOX(vfn);
+ case E1000_VMBMEM(0) ... E1000_VMBMEM(0) + 0x3F:
+ return addr + vfn * 0x40;
+ case E1000_RDBAL_A(0):
+ return E1000_RDBAL(vfn);
+ case E1000_RDBAL_A(1):
+ return E1000_RDBAL(vfn + IGB_MAX_VF_FUNCTIONS);
+ case E1000_RDBAH_A(0):
+ return E1000_RDBAH(vfn);
+ case E1000_RDBAH_A(1):
+ return E1000_RDBAH(vfn + IGB_MAX_VF_FUNCTIONS);
+ case E1000_RDLEN_A(0):
+ return E1000_RDLEN(vfn);
+ case E1000_RDLEN_A(1):
+ return E1000_RDLEN(vfn + IGB_MAX_VF_FUNCTIONS);
+ case E1000_SRRCTL_A(0):
+ return E1000_SRRCTL(vfn);
+ case E1000_SRRCTL_A(1):
+ return E1000_SRRCTL(vfn + IGB_MAX_VF_FUNCTIONS);
+ case E1000_RDH_A(0):
+ return E1000_RDH(vfn);
+ case E1000_RDH_A(1):
+ return E1000_RDH(vfn + IGB_MAX_VF_FUNCTIONS);
+ case E1000_RXCTL_A(0):
+ return E1000_RXCTL(vfn);
+ case E1000_RXCTL_A(1):
+ return E1000_RXCTL(vfn + IGB_MAX_VF_FUNCTIONS);
+ case E1000_RDT_A(0):
+ return E1000_RDT(vfn);
+ case E1000_RDT_A(1):
+ return E1000_RDT(vfn + IGB_MAX_VF_FUNCTIONS);
+ case E1000_RXDCTL_A(0):
+ return E1000_RXDCTL(vfn);
+ case E1000_RXDCTL_A(1):
+ return E1000_RXDCTL(vfn + IGB_MAX_VF_FUNCTIONS);
+ case E1000_RQDPC_A(0):
+ return E1000_RQDPC(vfn);
+ case E1000_RQDPC_A(1):
+ return E1000_RQDPC(vfn + IGB_MAX_VF_FUNCTIONS);
+ case E1000_TDBAL_A(0):
+ return E1000_TDBAL(vfn);
+ case E1000_TDBAL_A(1):
+ return E1000_TDBAL(vfn + IGB_MAX_VF_FUNCTIONS);
+ case E1000_TDBAH_A(0):
+ return E1000_TDBAH(vfn);
+ case E1000_TDBAH_A(1):
+ return E1000_TDBAH(vfn + IGB_MAX_VF_FUNCTIONS);
+ case E1000_TDLEN_A(0):
+ return E1000_TDLEN(vfn);
+ case E1000_TDLEN_A(1):
+ return E1000_TDLEN(vfn + IGB_MAX_VF_FUNCTIONS);
+ case E1000_TDH_A(0):
+ return E1000_TDH(vfn);
+ case E1000_TDH_A(1):
+ return E1000_TDH(vfn + IGB_MAX_VF_FUNCTIONS);
+ case E1000_TXCTL_A(0):
+ return E1000_TXCTL(vfn);
+ case E1000_TXCTL_A(1):
+ return E1000_TXCTL(vfn + IGB_MAX_VF_FUNCTIONS);
+ case E1000_TDT_A(0):
+ return E1000_TDT(vfn);
+ case E1000_TDT_A(1):
+ return E1000_TDT(vfn + IGB_MAX_VF_FUNCTIONS);
+ case E1000_TXDCTL_A(0):
+ return E1000_TXDCTL(vfn);
+ case E1000_TXDCTL_A(1):
+ return E1000_TXDCTL(vfn + IGB_MAX_VF_FUNCTIONS);
+ case E1000_TDWBAL_A(0):
+ return E1000_TDWBAL(vfn);
+ case E1000_TDWBAL_A(1):
+ return E1000_TDWBAL(vfn + IGB_MAX_VF_FUNCTIONS);
+ case E1000_TDWBAH_A(0):
+ return E1000_TDWBAH(vfn);
+ case E1000_TDWBAH_A(1):
+ return E1000_TDWBAH(vfn + IGB_MAX_VF_FUNCTIONS);
+ case E1000_VFGPRC:
+ return E1000_PVFGPRC(vfn);
+ case E1000_VFGPTC:
+ return E1000_PVFGPTC(vfn);
+ case E1000_VFGORC:
+ return E1000_PVFGORC(vfn);
+ case E1000_VFGOTC:
+ return E1000_PVFGOTC(vfn);
+ case E1000_VFMPRC:
+ return E1000_PVFMPRC(vfn);
+ case E1000_VFGPRLBC:
+ return E1000_PVFGPRLBC(vfn);
+ case E1000_VFGPTLBC:
+ return E1000_PVFGPTLBC(vfn);
+ case E1000_VFGORLBC:
+ return E1000_PVFGORLBC(vfn);
+ case E1000_VFGOTLBC:
+ return E1000_PVFGOTLBC(vfn);
+ case E1000_STATUS:
+ case E1000_FRTIMER:
+ if (write) {
+ return HWADDR_MAX;
+ }
+ /* fallthrough */
+ case 0x34E8: /* PBTWAC */
+ case 0x24E8: /* PBRWAC */
+ return addr;
+ }
+
+ trace_igbvf_wrn_io_addr_unknown(addr);
+
+ return HWADDR_MAX;
+}
+
+static void igbvf_write_config(PCIDevice *dev, uint32_t addr, uint32_t val,
+ int len)
+{
+ trace_igbvf_write_config(addr, val, len);
+ pci_default_write_config(dev, addr, val, len);
+}
+
+static uint64_t igbvf_mmio_read(void *opaque, hwaddr addr, unsigned size)
+{
+ PCIDevice *vf = PCI_DEVICE(opaque);
+ PCIDevice *pf = pcie_sriov_get_pf(vf);
+
+ addr = vf_to_pf_addr(addr, pcie_sriov_vf_number(vf), false);
+ return addr == HWADDR_MAX ? 0 : igb_mmio_read(pf, addr, size);
+}
+
+static void igbvf_mmio_write(void *opaque, hwaddr addr, uint64_t val,
+ unsigned size)
+{
+ PCIDevice *vf = PCI_DEVICE(opaque);
+ PCIDevice *pf = pcie_sriov_get_pf(vf);
+
+ addr = vf_to_pf_addr(addr, pcie_sriov_vf_number(vf), true);
+ if (addr != HWADDR_MAX) {
+ igb_mmio_write(pf, addr, val, size);
+ }
+}
+
+static const MemoryRegionOps mmio_ops = {
+ .read = igbvf_mmio_read,
+ .write = igbvf_mmio_write,
+ .endianness = DEVICE_LITTLE_ENDIAN,
+ .impl = {
+ .min_access_size = 4,
+ .max_access_size = 4,
+ },
+};
+
+static void igbvf_pci_realize(PCIDevice *dev, Error **errp)
+{
+ IgbVfState *s = IGBVF(dev);
+ int ret;
+ int i;
+
+ dev->config_write = igbvf_write_config;
+
+ memory_region_init_io(&s->mmio, OBJECT(dev), &mmio_ops, s, "igbvf-mmio",
+ IGBVF_MMIO_SIZE);
+ pcie_sriov_vf_register_bar(dev, IGBVF_MMIO_BAR_IDX, &s->mmio);
+
+ memory_region_init(&s->msix, OBJECT(dev), "igbvf-msix", IGBVF_MSIX_SIZE);
+ pcie_sriov_vf_register_bar(dev, IGBVF_MSIX_BAR_IDX, &s->msix);
+
+ ret = msix_init(dev, IGBVF_MSIX_VEC_NUM, &s->msix, IGBVF_MSIX_BAR_IDX, 0,
+ &s->msix, IGBVF_MSIX_BAR_IDX, 0x2000, 0x70, errp);
+ if (ret) {
+ return;
+ }
+
+ for (i = 0; i < IGBVF_MSIX_VEC_NUM; i++) {
+ msix_vector_use(dev, i);
+ }
+
+ if (pcie_endpoint_cap_init(dev, 0xa0) < 0) {
+ hw_error("Failed to initialize PCIe capability");
+ }
+
+ if (pcie_aer_init(dev, 1, 0x100, 0x40, errp) < 0) {
+ hw_error("Failed to initialize AER capability");
+ }
+
+ pcie_ari_init(dev, 0x150, 1);
+}
+
+static void igbvf_pci_uninit(PCIDevice *dev)
+{
+ IgbVfState *s = IGBVF(dev);
+
+ pcie_aer_exit(dev);
+ pcie_cap_exit(dev);
+ msix_unuse_all_vectors(dev);
+ msix_uninit(dev, &s->msix, &s->msix);
+}
+
+static void igbvf_class_init(ObjectClass *class, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(class);
+ PCIDeviceClass *c = PCI_DEVICE_CLASS(class);
+
+ c->realize = igbvf_pci_realize;
+ c->exit = igbvf_pci_uninit;
+ c->vendor_id = PCI_VENDOR_ID_INTEL;
+ c->device_id = E1000_DEV_ID_82576_VF;
+ c->revision = 1;
+ c->class_id = PCI_CLASS_NETWORK_ETHERNET;
+
+ dc->desc = "Intel 82576 Virtual Function";
+ dc->user_creatable = false;
+
+ set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
+}
+
+static const TypeInfo igbvf_info = {
+ .name = TYPE_IGBVF,
+ .parent = TYPE_PCI_DEVICE,
+ .instance_size = sizeof(IgbVfState),
+ .class_init = igbvf_class_init,
+ .interfaces = (InterfaceInfo[]) {
+ { INTERFACE_PCIE_DEVICE },
+ { }
+ },
+};
+
+static void igb_register_types(void)
+{
+ type_register_static(&igbvf_info);
+}
+
+type_init(igb_register_types)
@@ -10,6 +10,8 @@ softmmu_ss.add(when: 'CONFIG_PCNET_COMMON', if_true: files('pcnet.c'))
softmmu_ss.add(when: 'CONFIG_E1000_PCI', if_true: files('e1000.c', 'e1000x_common.c'))
softmmu_ss.add(when: 'CONFIG_E1000E_PCI_EXPRESS', if_true: files('net_tx_pkt.c', 'net_rx_pkt.c'))
softmmu_ss.add(when: 'CONFIG_E1000E_PCI_EXPRESS', if_true: files('e1000e.c', 'e1000e_core.c', 'e1000x_common.c'))
+softmmu_ss.add(when: 'CONFIG_IGB_PCI_EXPRESS', if_true: files('net_tx_pkt.c', 'net_rx_pkt.c'))
+softmmu_ss.add(when: 'CONFIG_IGB_PCI_EXPRESS', if_true: files('igb.c', 'igbvf.c', 'igb_core.c'))
softmmu_ss.add(when: 'CONFIG_RTL8139_PCI', if_true: files('rtl8139.c'))
softmmu_ss.add(when: 'CONFIG_TULIP', if_true: files('tulip.c'))
softmmu_ss.add(when: 'CONFIG_VMXNET3_PCI', if_true: files('net_tx_pkt.c', 'net_rx_pkt.c'))
@@ -270,6 +270,38 @@ e1000e_msix_use_vector_fail(uint32_t vec, int32_t res) "Failed to use MSI-X vect
e1000e_mac_set_permanent(uint8_t b0, uint8_t b1, uint8_t b2, uint8_t b3, uint8_t b4, uint8_t b5) "Set permanent MAC: %02x:%02x:%02x:%02x:%02x:%02x"
e1000e_cfg_support_virtio(bool support) "Virtio header supported: %d"
+# igb.c
+igb_write_config(uint32_t address, uint32_t val, int len) "CONFIG write 0x%"PRIx32", value: 0x%"PRIx32", len: %"PRId32
+igbvf_write_config(uint32_t address, uint32_t val, int len) "CONFIG write 0x%"PRIx32", value: 0x%"PRIx32", len: %"PRId32
+
+# igb_core.c
+igb_core_mdic_read(uint32_t addr, uint32_t data) "MDIC READ: PHY[%u] = 0x%x"
+igb_core_mdic_read_unhandled(uint32_t addr) "MDIC READ: PHY[%u] UNHANDLED"
+igb_core_mdic_write(uint32_t addr, uint32_t data) "MDIC WRITE: PHY[%u] = 0x%x"
+igb_core_mdic_write_unhandled(uint32_t addr) "MDIC WRITE: PHY[%u] UNHANDLED"
+
+igb_rx_desc_buff_size(uint32_t b) "buffer size: %u"
+igb_rx_desc_buff_write(uint64_t addr, uint16_t offset, const void* source, uint32_t len) "addr: 0x%"PRIx64", offset: %u, from: %p, length: %u"
+
+igb_rx_metadata_rss(uint32_t rss) "RSS data: 0x%X"
+
+igb_irq_icr_clear_gpie_nsicr(void) "Clearing ICR on read due to GPIE.NSICR enabled"
+igb_irq_icr_write(uint32_t bits, uint32_t old_icr, uint32_t new_icr) "Clearing ICR bits 0x%x: 0x%x --> 0x%x"
+igb_irq_set_iam(uint32_t icr) "Update IAM: 0x%x"
+igb_irq_read_iam(uint32_t icr) "Current IAM: 0x%x"
+igb_irq_write_eics(uint32_t val, bool msix) "Update EICS: 0x%x MSI-X: %d"
+igb_irq_write_eims(uint32_t val, bool msix) "Update EIMS: 0x%x MSI-X: %d"
+igb_irq_write_eimc(uint32_t val, uint32_t eims, bool msix) "Update EIMC: 0x%x EIMS: 0x%x MSI-X: %d"
+igb_irq_write_eiac(uint32_t val) "Update EIAC: 0x%x"
+igb_irq_write_eiam(uint32_t val, bool msix) "Update EIAM: 0x%x MSI-X: %d"
+igb_irq_write_eicr(uint32_t val, bool msix) "Update EICR: 0x%x MSI-X: %d"
+igb_irq_eitr_set(uint32_t eitr_num, uint32_t val) "EITR[%u] = 0x%x"
+igb_set_pfmailbox(uint32_t vf_num, uint32_t val) "PFMailbox[%d]: 0x%x"
+igb_set_vfmailbox(uint32_t vf_num, uint32_t val) "VFMailbox[%d]: 0x%x"
+
+# igbvf.c
+igbvf_wrn_io_addr_unknown(uint64_t addr) "IO unknown register 0x%"PRIx64
+
# spapr_llan.c
spapr_vlan_get_rx_bd_from_pool_found(int pool, int32_t count, uint32_t rx_bufs) "pool=%d count=%"PRId32" rxbufs=%"PRIu32
spapr_vlan_get_rx_bd_from_page(int buf_ptr, uint64_t bd) "use_buf_ptr=%d bd=0x%016"PRIx64