diff options
| -rw-r--r-- | MAINTAINERS | 5 | ||||
| -rw-r--r-- | hw/net/Kconfig | 5 | ||||
| -rw-r--r-- | hw/net/igb.c | 623 | ||||
| -rw-r--r-- | hw/net/igb_common.h | 146 | ||||
| -rw-r--r-- | hw/net/igb_core.c | 4077 | ||||
| -rw-r--r-- | hw/net/igb_core.h | 146 | ||||
| -rw-r--r-- | hw/net/igb_regs.h | 648 | ||||
| -rw-r--r-- | hw/net/igbvf.c | 327 | ||||
| -rw-r--r-- | hw/net/meson.build | 2 | ||||
| -rw-r--r-- | hw/net/trace-events | 32 |
10 files changed, 6011 insertions, 0 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index d61d1effeb..c4980a488c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -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 diff --git a/hw/net/Kconfig b/hw/net/Kconfig index 1cc1c5775e..18c7851efe 100644 --- a/hw/net/Kconfig +++ b/hw/net/Kconfig @@ -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 diff --git a/hw/net/igb.c b/hw/net/igb.c new file mode 100644 index 0000000000..c6d753df87 --- /dev/null +++ b/hw/net/igb.c @@ -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) diff --git a/hw/net/igb_common.h b/hw/net/igb_common.h new file mode 100644 index 0000000000..69ac490f75 --- /dev/null +++ b/hw/net/igb_common.h @@ -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 diff --git a/hw/net/igb_core.c b/hw/net/igb_core.c new file mode 100644 index 0000000000..a7c7bfdc75 --- /dev/null +++ b/hw/net/igb_core.c @@ -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; +} diff --git a/hw/net/igb_core.h b/hw/net/igb_core.h new file mode 100644 index 0000000000..814c1e264b --- /dev/null +++ b/hw/net/igb_core.h @@ -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 diff --git a/hw/net/igb_regs.h b/hw/net/igb_regs.h new file mode 100644 index 0000000000..00934d4f20 --- /dev/null +++ b/hw/net/igb_regs.h @@ -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 diff --git a/hw/net/igbvf.c b/hw/net/igbvf.c new file mode 100644 index 0000000000..70beb7af50 --- /dev/null +++ b/hw/net/igbvf.c @@ -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) diff --git a/hw/net/meson.build b/hw/net/meson.build index 4285145715..e2be0654a1 100644 --- a/hw/net/meson.build +++ b/hw/net/meson.build @@ -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')) diff --git a/hw/net/trace-events b/hw/net/trace-events index 2647cdc60f..65753411fc 100644 --- a/hw/net/trace-events +++ b/hw/net/trace-events @@ -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 |