154 lines
4.3 KiB
C
154 lines
4.3 KiB
C
// Realtek RTL816x driver internals shared by the PCI and packet paths.
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#pragma once
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#include <stdint.h>
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#include <stddef.h>
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#include <stdbool.h>
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#include <string.h>
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#include <intrin.h>
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#include <ntlite/ddi/hal_api.h>
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#include <ntlite/ddi/io_driver.h>
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#include <ntlite/ddi/pci.h>
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#include <ntlite/status.h>
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#include <kernel/ke_debug.h>
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#include <kernel/ke_irq.h>
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#include <kernel/ke_dpc.h>
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#include <kernel/ke_spinlock.h>
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#include <kernel/mm_phys.h>
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#include <kernel/mm_pfn.h>
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#include <kernel/mm_virt.h>
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#include <ntlite/ddi/net_device.h>
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#define RTL_VENDOR_REALTEK 0x10ECu
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#define RTL_DEVICE_8168 0x8168u
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#define RTL_DEVICE_8169 0x8169u
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#define RTL816X_DEVICE_MAGIC 0x81690001u
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#define RTL816X_MAX_DEVICES 8u
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#define RTL_REG_MAC0 0x00u
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#define RTL_REG_MAR0 0x08u
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#define RTL_REG_TNPDS_LO 0x20u
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#define RTL_REG_TNPDS_HI 0x24u
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#define RTL_REG_THPDS_LO 0x28u
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#define RTL_REG_THPDS_HI 0x2Cu
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#define RTL_REG_CHIP_CMD 0x37u
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#define RTL_REG_TX_POLL 0x38u
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#define RTL_REG_INTR_MASK 0x3Cu
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#define RTL_REG_INTR_STAT 0x3Eu
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#define RTL_REG_TX_CONFIG 0x40u
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#define RTL_REG_RX_CONFIG 0x44u
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#define RTL_REG_CFG9346 0x50u
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#define RTL_REG_CONFIG1 0x52u
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#define RTL_REG_PHY_STATUS 0x6Cu
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#define RTL_REG_RX_MAXSIZE 0xDAu
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#define RTL_REG_CPLUS_CMD 0xE0u
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#define RTL_REG_RDSAR_LO 0xE4u
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#define RTL_REG_RDSAR_HI 0xE8u
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#define RTL_CMD_RESET 0x10u
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#define RTL_CMD_RX_ENABLE 0x08u
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#define RTL_CMD_TX_ENABLE 0x04u
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#define RTL_TXPOLL_NPQ 0x40u
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#define RTL_ISR_ROK 0x0001u
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#define RTL_ISR_RER 0x0002u
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#define RTL_ISR_TOK 0x0004u
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#define RTL_ISR_TER 0x0008u
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#define RTL_ISR_RXOVW 0x0010u
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#define RTL_ISR_LINKCHG 0x0020u
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#define RTL_ISR_FOVW 0x0040u
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#define RTL_ISR_TDU 0x0080u
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#define RTL_ISR_SWINT 0x0100u
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#define RTL_ISR_TIMEOUT 0x4000u
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#define RTL_ISR_SYSERR 0x8000u
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#define RTL_INTR_ENABLES (RTL_ISR_ROK | RTL_ISR_RER | RTL_ISR_TOK | RTL_ISR_TER | \
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RTL_ISR_RXOVW | RTL_ISR_LINKCHG | RTL_ISR_FOVW | \
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RTL_ISR_TDU | RTL_ISR_SYSERR)
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#define RTL_RXCFG_AAP (1u << 0) // accept all physical packets/promiscuous
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#define RTL_RXCFG_APM (1u << 1) // accept physical match
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#define RTL_RXCFG_AM (1u << 2) // accept multicast
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#define RTL_RXCFG_AB (1u << 3) // accept broadcast
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#define RTL_RXCFG_AR (1u << 4) // accept runt
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#define RTL_RXCFG_AER (1u << 5) // accept errored
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#define RTL_RXCFG_DMA_UNLIMITED (7u << 8)
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#define RTL_TXCFG_DMA_UNLIMITED (7u << 8)
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#define RTL_TXCFG_IFG (3u << 24)
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#define RTL_DESC_OWN (1u << 31)
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#define RTL_DESC_EOR (1u << 30)
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#define RTL_DESC_FS (1u << 29)
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#define RTL_DESC_LS (1u << 28)
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#define RTL_RXDESC_RES (1u << 21)
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#define RTL_RXDESC_RWT (1u << 22)
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#define RTL_RXDESC_CRC (1u << 19)
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#define RTL_RXDESC_RUNT (1u << 20)
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#define RTL_DESC_LENGTH_MASK 0x00003FFFu
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#define RTL_RX_COUNT 64u
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#define RTL_TX_COUNT 64u
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#define RTL_BUF_SIZE 2048u
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#define RTL_RX_WIRE_MAX (NET_ETHERNET_MAX_FRAME + 4u)
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#define RTL_RING_PAGES 1u
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#define RTL_RXBUF_PAGES ((RTL_RX_COUNT * RTL_BUF_SIZE + 4095u) / 4096u)
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#define RTL_TXBUF_PAGES ((RTL_TX_COUNT * RTL_BUF_SIZE + 4095u) / 4096u)
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#pragma pack(push, 1)
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typedef struct RTL_DESC {
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volatile uint32_t opts1;
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volatile uint32_t opts2;
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volatile uint32_t addrLo;
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volatile uint32_t addrHi;
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} RTL_DESC;
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#pragma pack(pop)
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typedef struct RTL816X_DEVICE {
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uint32_t Magic;
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DEVICE_OBJECT* Fdo;
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DEVICE_OBJECT* Pdo;
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DEVICE_OBJECT* LowerDevice;
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PCI_DEVICE_INFO PciInfo;
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PCI_BAR RegisterBar;
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uint64_t RegisterBytes;
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uint8_t Irq;
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bool Started;
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bool Removed;
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bool SurpriseRemoved;
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bool UseMmio;
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volatile uint8_t* Mmio;
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uint16_t IoBase;
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RTL_DESC* RxRing;
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RTL_DESC* TxRing;
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PHYSICAL_ADDRESS RxRingPhys;
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PHYSICAL_ADDRESS TxRingPhys;
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uint8_t* RxBuffers;
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uint8_t* TxBuffers;
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PHYSICAL_ADDRESS RxBuffersPhys;
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PHYSICAL_ADDRESS TxBuffersPhys;
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uint32_t RxIndex;
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uint32_t TxIndex;
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SPINLOCK TxLock;
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KDPC Dpc;
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volatile uint16_t PendingIsr;
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NET_DEVICE NetDevice;
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} RTL816X_DEVICE;
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extern const HAL_API* gHal;
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KSTATUS Rtl816xAddDevice(DRIVER_OBJECT* driver, DEVICE_OBJECT* physicalDeviceObject);
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KSTATUS Rtl816xDispatchPnp(DEVICE_OBJECT* device, IRP* irp);
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