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https://github.com/RGBCube/serenity
synced 2025-06-01 11:18:13 +00:00
Kernel: Replace C-idioms with AK types in RTL8168 network adapter
Instead of using C-arrays, and manually counting their lengths, use AK::Array. And pass these arrays around as spans, instead of as pointer- and-length pairs.
This commit is contained in:
Timothy Flynn
Tim Schumacher
parent
d8f756ce1d
commit
836d93f7e3
2 changed files with 39 additions and 36 deletions
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@ -4,6 +4,7 @@
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Array.h>
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#include <AK/MACAddress.h>
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#include <Kernel/Bus/PCI/API.h>
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#include <Kernel/Bus/PCI/IDs.h>
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@ -487,33 +488,33 @@ void RTL8168NetworkAdapter::configure_phy()
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void RTL8168NetworkAdapter::configure_phy_b_1()
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{
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constexpr PhyRegister phy_registers[] = {
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static constexpr auto phy_registers = to_array<PhyRegister>({
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{ 0x10, 0xf41b },
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{ 0x1f, 0 }
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};
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{ 0x1f, 0 },
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});
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phy_out(0x1f, 0x1);
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phy_out(0x16, 1 << 0);
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phy_out_batch(phy_registers, 2);
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phy_out_batch(phy_registers);
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}
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void RTL8168NetworkAdapter::configure_phy_b_2()
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{
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constexpr PhyRegister phy_registers[] = {
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static constexpr auto phy_registers = to_array<PhyRegister>({
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{ 0x1f, 0x1 },
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{ 0x10, 0xf41b },
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{ 0x1f, 0 }
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};
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{ 0x1f, 0 },
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});
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phy_out_batch(phy_registers, 3);
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phy_out_batch(phy_registers);
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}
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void RTL8168NetworkAdapter::configure_phy_e_2()
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{
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// FIXME: linux's driver writes a firmware blob to the device at this point, is this needed?
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constexpr PhyRegister phy_registers[] = {
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static constexpr auto phy_registers = to_array<PhyRegister>({
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// Enable delay cap
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{ 0x1f, 0x4 },
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{ 0x1f, 0x7 },
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@ -538,9 +539,9 @@ void RTL8168NetworkAdapter::configure_phy_e_2()
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{ 0x5, 0x8b76 },
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{ 0x6, 0x8000 },
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{ 0x1f, 0 },
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};
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});
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phy_out_batch(phy_registers, 19);
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phy_out_batch(phy_registers);
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// 4 corner performance improvement
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phy_out(0x1f, 0x5);
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@ -774,20 +775,21 @@ void RTL8168NetworkAdapter::configure_phy_h_2()
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void RTL8168NetworkAdapter::rar_exgmac_set()
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{
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auto mac = mac_address();
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const u16 w[] = {
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auto const w = to_array<u16>({
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(u16)(mac[0] | (mac[1] << 8)),
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(u16)(mac[2] | (mac[3] << 8)),
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(u16)(mac[4] | (mac[5] << 8)),
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};
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});
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const ExgMacRegister exg_mac_registers[] = {
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auto const exg_mac_registers = to_array<ExgMacRegister>({
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{ 0xe0, ERI_MASK_1111, (u32)(w[0] | (w[1] << 16)) },
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{ 0xe4, ERI_MASK_1111, (u32)w[2] },
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{ 0xf0, ERI_MASK_1111, (u32)(w[0] << 16) },
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{ 0xf4, ERI_MASK_1111, (u32)(w[1] | (w[2] << 16)) },
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};
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});
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exgmac_out_batch(exg_mac_registers, 4);
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exgmac_out_batch(exg_mac_registers);
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}
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void RTL8168NetworkAdapter::start_hardware()
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@ -933,14 +935,14 @@ void RTL8168NetworkAdapter::hardware_quirks_b_2()
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void RTL8168NetworkAdapter::hardware_quirks_e_2()
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{
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constexpr EPhyUpdate ephy_info[] = {
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static constexpr auto ephy_info = to_array<EPhyUpdate>({
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{ 0x9, 0, 0x80 },
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{ 0x19, 0, 0x224 },
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};
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});
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csi_enable(CSI_ACCESS_1);
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extended_phy_initialize(ephy_info, 2);
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extended_phy_initialize(ephy_info);
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// FIXME: MTU performance tweak
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@ -978,15 +980,15 @@ void RTL8168NetworkAdapter::hardware_quirks_h()
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out8(REG_CONFIG5, in8(REG_CONFIG5) & ~CFG5_ASPM_ENABLE);
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// initialize extended phy
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constexpr EPhyUpdate ephy_info[] = {
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static constexpr auto ephy_info = to_array<EPhyUpdate>({
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{ 0x1e, 0x800, 0x1 },
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{ 0x1d, 0, 0x800 },
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{ 0x5, 0xffff, 0x2089 },
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{ 0x6, 0xffff, 0x5881 },
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{ 0x4, 0xffff, 0x154a },
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{ 0x1, 0xffff, 0x68b }
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};
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extended_phy_initialize(ephy_info, 6);
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{ 0x1, 0xffff, 0x68b },
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});
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extended_phy_initialize(ephy_info);
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// enable tx auto fifo
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out32(REG_TXCFG, in32(REG_TXCFG) | TXCFG_AUTO_FIFO);
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@ -1345,10 +1347,10 @@ void RTL8168NetworkAdapter::phy_update(u32 address, u32 set, u32 clear)
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phy_out(address, (value & ~clear) | set);
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}
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void RTL8168NetworkAdapter::phy_out_batch(const PhyRegister phy_registers[], size_t length)
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void RTL8168NetworkAdapter::phy_out_batch(ReadonlySpan<PhyRegister> phy_registers)
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{
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for (size_t i = 0; i < length; i++) {
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phy_out(phy_registers[i].address, phy_registers[i].data);
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for (auto const& phy_register : phy_registers) {
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phy_out(phy_register.address, phy_register.data);
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}
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}
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@ -1369,11 +1371,11 @@ u16 RTL8168NetworkAdapter::extended_phy_in(u8 address)
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return in32(REG_EPHYACCESS) & 0xFFFF;
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}
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void RTL8168NetworkAdapter::extended_phy_initialize(const EPhyUpdate ephy_info[], size_t length)
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void RTL8168NetworkAdapter::extended_phy_initialize(ReadonlySpan<EPhyUpdate> ephy_info)
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{
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for (size_t i = 0; i < length; i++) {
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auto updated_value = (extended_phy_in(ephy_info[i].offset) & ~ephy_info[i].clear) | ephy_info[i].set;
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extended_phy_out(ephy_info[i].offset, updated_value);
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for (auto const& info : ephy_info) {
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auto updated_value = (extended_phy_in(info.offset) & ~info.clear) | info.set;
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extended_phy_out(info.offset, updated_value);
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}
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}
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@ -1399,10 +1401,10 @@ void RTL8168NetworkAdapter::eri_update(u32 address, u32 mask, u32 set, u32 clear
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eri_out(address, mask, (value & ~clear) | set, type);
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}
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void RTL8168NetworkAdapter::exgmac_out_batch(const ExgMacRegister exgmac_registers[], size_t length)
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void RTL8168NetworkAdapter::exgmac_out_batch(ReadonlySpan<ExgMacRegister> exgmac_registers)
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{
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for (size_t i = 0; i < length; i++) {
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eri_out(exgmac_registers[i].address, exgmac_registers[i].mask, exgmac_registers[i].value, ERI_EXGMAC);
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for (auto const& exgmac_register : exgmac_registers) {
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eri_out(exgmac_register.address, exgmac_register.mask, exgmac_register.value, ERI_EXGMAC);
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}
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}
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@ -7,6 +7,7 @@
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#pragma once
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#include <AK/OwnPtr.h>
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#include <AK/Span.h>
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#include <Kernel/Bus/PCI/Access.h>
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#include <Kernel/Bus/PCI/Device.h>
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#include <Kernel/Interrupts/IRQHandler.h>
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@ -168,7 +169,7 @@ private:
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u16 address;
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u16 data;
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};
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void phy_out_batch(const PhyRegister[], size_t length);
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void phy_out_batch(ReadonlySpan<PhyRegister>);
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void extended_phy_out(u8 address, u16 data);
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u16 extended_phy_in(u8 address);
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@ -177,7 +178,7 @@ private:
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u16 clear;
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u16 set;
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};
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void extended_phy_initialize(const EPhyUpdate[], size_t length);
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void extended_phy_initialize(ReadonlySpan<EPhyUpdate>);
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void eri_out(u32 address, u32 mask, u32 data, u32 type);
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u32 eri_in(u32 address, u32 type);
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@ -187,7 +188,7 @@ private:
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u16 mask;
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u32 value;
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};
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void exgmac_out_batch(const ExgMacRegister[], size_t length);
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void exgmac_out_batch(ReadonlySpan<ExgMacRegister>);
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void csi_out(u32 address, u32 data);
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u32 csi_in(u32 address);
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