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serenity/Kernel/Net/Intel/E1000ENetworkAdapter.cpp
Liav A 9f011592be Kernel/Net: Convert initializers to return NonnullRefPtr<NetworkAdapter> 
There's no need for using NonnullLockRefPtr here.
2023-04-14 19:27:56 +02:00

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/*
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/MACAddress.h>
#include <Kernel/Bus/PCI/API.h>
#include <Kernel/Bus/PCI/IDs.h>
#include <Kernel/Net/Intel/E1000ENetworkAdapter.h>
#include <Kernel/Net/NetworkingManagement.h>
#include <Kernel/Sections.h>
namespace Kernel {
#define REG_EEPROM 0x0014
static bool is_valid_device_id(u16 device_id)
{
// Note: All ids listed here are valid, but only the ones that are verified working are set to 'true'
switch (device_id) {
case 0x10D3: // 82574L
return true;
case 0x1000: // 82542
case 0x0438: // DH89XXCC_SGMII
case 0x043A: // DH89XXCC_SERDES
case 0x043C: // DH89XXCC_BACKPLANE
case 0x0440: // DH89XXCC_SFP
case 0x1001: // 82543GC_FIBER
case 0x1004: // 82543GC_COPPER
case 0x1008: // 82544EI_COPPER
case 0x1009: // 82544EI_FIBER
case 0x100C: // 82544GC_COPPER
case 0x100D: // 82544GC_LOM
case 0x100E: // 82540EM
case 0x100F: // 82545EM_COPPER
case 0x1010: // 82546EB_COPPER
case 0x1011: // 82545EM_FIBER
case 0x1012: // 82546EB_FIBER
case 0x1013: // 82541EI
case 0x1014: // 82541ER_LOM
case 0x1015: // 82540EM_LOM
case 0x1016: // 82540EP_LOM
case 0x1017: // 82540EP
case 0x1018: // 82541EI_MOBILE
case 0x1019: // 82547EI
case 0x101A: // 82547EI_MOBILE
case 0x101D: // 82546EB_QUAD_COPPER
case 0x101E: // 82540EP_LP
case 0x1026: // 82545GM_COPPER
case 0x1027: // 82545GM_FIBER
case 0x1028: // 82545GM_SERDES
case 0x1049: // ICH8_IGP_M_AMT
case 0x104A: // ICH8_IGP_AMT
case 0x104B: // ICH8_IGP_C
case 0x104C: // ICH8_IFE
case 0x104D: // ICH8_IGP_M
case 0x105E: // 82571EB_COPPER
case 0x105F: // 82571EB_FIBER
case 0x1060: // 82571EB_SERDES
case 0x1075: // 82547GI
case 0x1076: // 82541GI
case 0x1077: // 82541GI_MOBILE
case 0x1078: // 82541ER
case 0x1079: // 82546GB_COPPER
case 0x107A: // 82546GB_FIBER
case 0x107B: // 82546GB_SERDES
case 0x107C: // 82541GI_LF
case 0x107D: // 82572EI_COPPER
case 0x107E: // 82572EI_FIBER
case 0x107F: // 82572EI_SERDES
case 0x108A: // 82546GB_PCIE
case 0x108B: // 82573E
case 0x108C: // 82573E_IAMT
case 0x1096: // 80003ES2LAN_COPPER_DPT
case 0x1098: // 80003ES2LAN_SERDES_DPT
case 0x1099: // 82546GB_QUAD_COPPER
case 0x109A: // 82573L
case 0x10A4: // 82571EB_QUAD_COPPER
case 0x10A5: // 82571EB_QUAD_FIBER
case 0x10A7: // 82575EB_COPPER
case 0x10A9: // 82575EB_FIBER_SERDES
case 0x10B5: // 82546GB_QUAD_COPPER_KSP3
case 0x10B9: // 82572EI
case 0x10BA: // 80003ES2LAN_COPPER_SPT
case 0x10BB: // 80003ES2LAN_SERDES_SPT
case 0x10BC: // 82571EB_QUAD_COPPER_LP
case 0x10BD: // ICH9_IGP_AMT
case 0x10BF: // ICH9_IGP_M
case 0x10C0: // ICH9_IFE
case 0x10C2: // ICH9_IFE_G
case 0x10C3: // ICH9_IFE_GT
case 0x10C4: // ICH8_IFE_GT
case 0x10C5: // ICH8_IFE_G
case 0x10C9: // 82576
case 0x10CA: // 82576_VF
case 0x10CB: // ICH9_IGP_M_V
case 0x10CC: // ICH10_R_BM_LM
case 0x10CD: // ICH10_R_BM_LF
case 0x10CE: // ICH10_R_BM_V
case 0x10D5: // 82571PT_QUAD_COPPER
case 0x10D6: // 82575GB_QUAD_COPPER
case 0x10D9: // 82571EB_SERDES_DUAL
case 0x10DA: // 82571EB_SERDES_QUAD
case 0x10DE: // ICH10_D_BM_LM
case 0x10DF: // ICH10_D_BM_LF
case 0x10E5: // ICH9_BM
case 0x10E6: // 82576_FIBER
case 0x10E7: // 82576_SERDES
case 0x10E8: // 82576_QUAD_COPPER
case 0x10EA: // PCH_M_HV_LM
case 0x10EB: // PCH_M_HV_LC
case 0x10EF: // PCH_D_HV_DM
case 0x10F0: // PCH_D_HV_DC
case 0x10F5: // ICH9_IGP_M_AMT
case 0x10F6: // 82574LA
case 0x1501: // ICH8_82567V_3
case 0x1502: // PCH2_LV_LM
case 0x1503: // PCH2_LV_V
case 0x150A: // 82576_NS
case 0x150C: // 82583V
case 0x150D: // 82576_SERDES_QUAD
case 0x150E: // 82580_COPPER
case 0x150F: // 82580_FIBER
case 0x1510: // 82580_SERDES
case 0x1511: // 82580_SGMII
case 0x1516: // 82580_COPPER_DUAL
case 0x1518: // 82576_NS_SERDES
case 0x1520: // I350_VF
case 0x1521: // I350_COPPER
case 0x1522: // I350_FIBER
case 0x1523: // I350_SERDES
case 0x1524: // I350_SGMII
case 0x1525: // ICH10_D_BM_V
case 0x1526: // 82576_QUAD_COPPER_ET2
case 0x1527: // 82580_QUAD_FIBER
case 0x152D: // 82576_VF_HV
case 0x152F: // I350_VF_HV
case 0x1533: // I210_COPPER
case 0x1534: // I210_COPPER_OEM1
case 0x1535: // I210_COPPER_IT
case 0x1536: // I210_FIBER
case 0x1537: // I210_SERDES
case 0x1538: // I210_SGMII
case 0x1539: // I211_COPPER
case 0x153A: // PCH_LPT_I217_LM
case 0x153B: // PCH_LPT_I217_V
case 0x1546: // I350_DA4
case 0x1559: // PCH_LPTLP_I218_V
case 0x155A: // PCH_LPTLP_I218_LM
case 0x156F: // PCH_SPT_I219_LM
case 0x1570: // PCH_SPT_I219_V
case 0x157B: // I210_COPPER_FLASHLESS
case 0x157C: // I210_SERDES_FLASHLESS
case 0x15A0: // PCH_I218_LM2
case 0x15A1: // PCH_I218_V2
case 0x15A2: // PCH_I218_LM3
case 0x15A3: // PCH_I218_V3
case 0x15B7: // PCH_SPT_I219_LM2
case 0x15B8: // PCH_SPT_I219_V2
case 0x15B9: // PCH_LBG_I219_LM3
case 0x15BB: // PCH_CNP_I219_LM7
case 0x15BC: // PCH_CNP_I219_V7
case 0x15BD: // PCH_CNP_I219_LM6
case 0x15BE: // PCH_CNP_I219_V6
case 0x15D6: // PCH_SPT_I219_V5
case 0x15D7: // PCH_SPT_I219_LM4
case 0x15D8: // PCH_SPT_I219_V4
case 0x15DF: // PCH_ICP_I219_LM8
case 0x15E0: // PCH_ICP_I219_V8
case 0x15E1: // PCH_ICP_I219_LM9
case 0x15E2: // PCH_ICP_I219_V9
case 0x15E3: // PCH_SPT_I219_LM5
case 0x1F40: // I354_BACKPLANE_1GBPS
case 0x1F41: // I354_SGMII
case 0x1F45: // I354_BACKPLANE_2_5GBPS
case 0x294C: // ICH9_IGP_C
return false;
default:
return false;
}
}
UNMAP_AFTER_INIT ErrorOr<bool> E1000ENetworkAdapter::probe(PCI::DeviceIdentifier const& pci_device_identifier)
{
if (pci_device_identifier.hardware_id().vendor_id != PCI::VendorID::Intel)
return false;
return is_valid_device_id(pci_device_identifier.hardware_id().device_id);
}
UNMAP_AFTER_INIT ErrorOr<NonnullRefPtr<NetworkAdapter>> E1000ENetworkAdapter::create(PCI::DeviceIdentifier const& pci_device_identifier)
{
u8 irq = pci_device_identifier.interrupt_line().value();
auto interface_name = TRY(NetworkingManagement::generate_interface_name_from_pci_address(pci_device_identifier));
auto registers_io_window = TRY(IOWindow::create_for_pci_device_bar(pci_device_identifier, PCI::HeaderType0BaseRegister::BAR0));
auto rx_buffer_region = TRY(MM.allocate_contiguous_kernel_region(rx_buffer_size * number_of_rx_descriptors, "E1000 RX buffers"sv, Memory::Region::Access::ReadWrite));
auto tx_buffer_region = MM.allocate_contiguous_kernel_region(tx_buffer_size * number_of_tx_descriptors, "E1000 TX buffers"sv, Memory::Region::Access::ReadWrite).release_value();
auto rx_descriptors_region = TRY(MM.allocate_contiguous_kernel_region(TRY(Memory::page_round_up(sizeof(e1000_rx_desc) * number_of_rx_descriptors)), "E1000 RX Descriptors"sv, Memory::Region::Access::ReadWrite));
auto tx_descriptors_region = TRY(MM.allocate_contiguous_kernel_region(TRY(Memory::page_round_up(sizeof(e1000_tx_desc) * number_of_tx_descriptors)), "E1000 TX Descriptors"sv, Memory::Region::Access::ReadWrite));
return TRY(adopt_nonnull_ref_or_enomem(new (nothrow) E1000ENetworkAdapter(pci_device_identifier,
irq, move(registers_io_window),
move(rx_buffer_region),
move(tx_buffer_region),
move(rx_descriptors_region),
move(tx_descriptors_region),
move(interface_name))));
}
UNMAP_AFTER_INIT ErrorOr<void> E1000ENetworkAdapter::initialize(Badge<NetworkingManagement>)
{
dmesgln("E1000e: Found @ {}", device_identifier().address());
enable_bus_mastering(device_identifier());
dmesgln("E1000e: IO base: {}", m_registers_io_window);
dmesgln("E1000e: Interrupt line: {}", interrupt_number());
detect_eeprom();
dmesgln("E1000e: Has EEPROM? {}", m_has_eeprom);
read_mac_address();
auto const& mac = mac_address();
dmesgln("E1000e: MAC address: {}", mac.to_string());
initialize_rx_descriptors();
initialize_tx_descriptors();
setup_link();
setup_interrupts();
return {};
}
UNMAP_AFTER_INIT E1000ENetworkAdapter::E1000ENetworkAdapter(PCI::DeviceIdentifier const& device_identifier, u8 irq,
NonnullOwnPtr<IOWindow> registers_io_window, NonnullOwnPtr<Memory::Region> rx_buffer_region,
NonnullOwnPtr<Memory::Region> tx_buffer_region, NonnullOwnPtr<Memory::Region> rx_descriptors_region,
NonnullOwnPtr<Memory::Region> tx_descriptors_region, NonnullOwnPtr<KString> interface_name)
: E1000NetworkAdapter(device_identifier, irq, move(registers_io_window),
move(rx_buffer_region),
move(tx_buffer_region),
move(rx_descriptors_region),
move(tx_descriptors_region),
move(interface_name))
{
}
UNMAP_AFTER_INIT E1000ENetworkAdapter::~E1000ENetworkAdapter() = default;
UNMAP_AFTER_INIT void E1000ENetworkAdapter::detect_eeprom()
{
// FIXME: Try to find a way to detect if EEPROM exists instead of assuming it is
m_has_eeprom = true;
}
UNMAP_AFTER_INIT u32 E1000ENetworkAdapter::read_eeprom(u8 address)
{
VERIFY(m_has_eeprom);
u16 data = 0;
u32 tmp = 0;
if (m_has_eeprom) {
out32(REG_EEPROM, ((u32)address << 2) | 1);
while (!((tmp = in32(REG_EEPROM)) & (1 << 1)))
;
} else {
out32(REG_EEPROM, ((u32)address << 2) | 1);
while (!((tmp = in32(REG_EEPROM)) & (1 << 1)))
;
}
data = (tmp >> 16) & 0xffff;
return data;
}
}
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