e1000.cpp File Reference

#include "e1000.h"
#include <Mm/kmalloc.h>
#include <Mm/vmmngr.h>
#include <Mm/pmmngr.h>
#include <pcie.h>
#include <_null.h>
#include <aucon.h>
#include <string.h>
#include <aurora.h>
#include <Hal/x86_64_sched.h>
#include <Hal/serial.h>
#include <audrv.h>
#include <Net/aunet.h>
#include <Net/ethernet.h>
#include <Fs/Dev/devfs.h>
#include <Net/arp.h>

Include dependency graph for e1000.cpp:

Classes
struct	_e1000_nic_

Macros
#define	INTS   (ICR_LSC | ICR_RXO | ICR_RXT0 | ICR_TXQE | ICR_TXDW | ICR_ACK | ICR_RXDMT0 | ICR_SRPD)
#define	CTRL_PHY_RST   (1UL << 31UL)
#define	CTRL_RST   (1UL << 26UL)
#define	CTRL_SLU   (1UL << 6UL)
#define	CTRL_LRST   (1UL << 3UL)

Typedefs
typedef struct _e1000_nic_	E1000NIC

Functions
uint32_t	MMIORead32 (uint64_t addr)
	MMIORead32 – reads a 32 bit value from the given address.
void	MMIOWrite32 (uint64_t addr, uint32_t val)
	MMIOWrite32 – write a 32 bit value to given address.
void	E1000WriteCmd (E1000NIC *dev, uint16_t addr, uint32_t val)
	E1000WriteCmd – write a command to given offset from mmio address.
uint32_t	E1000ReadCmd (E1000NIC *dev, uint16_t addr)
	E1000ReadCmd – read a command from given offset from mmio address.
void	E1000EEPROMDetect (E1000NIC *dev)
uint16_t	E1000EEPROMRead (E1000NIC *dev, uint8_t addr)
void	E1000WriteMAC (E1000NIC *dev)
void	E1000ReadMAC (E1000NIC *dev)
void	E1000DisableInterrupt (E1000NIC *dev)
void	E1000InitRX (E1000NIC *dev)
void	E1000InitTX (E1000NIC *dev)
int	E1000TxFull (E1000NIC *dev, int tx_tail, int tx_head)
void	E1000SendPacket (E1000NIC *dev, uint8_t *payload, size_t payload_sz)
void	E1000IRQHandler (size_t v, void *p)
void	E1000Thread (uint64_t val)
AU_EXTERN AU_EXPORT int	AuDriverUnload ()
	AuDriverUnload – Frees and clear up everthing from the driver.
AU_EXTERN AU_EXPORT size_t	E1000ReadFile (AuVFSNode *node, AuVFSNode *file, uint64_t *buffer, uint32_t len)
AU_EXTERN AU_EXPORT size_t	E1000WriteFile (AuVFSNode *node, AuVFSNode *file, uint64_t *buffer, uint32_t len)
AU_EXTERN AU_EXPORT int	E1000IOCtl (AuVFSNode *file, int code, void *arg)
AU_EXTERN AU_EXPORT int	AuDriverMain ()

Variables
E1000NIC *	e1000_nic
AuNetworkDevice *	ndev
AuVFSNode *	nic

Macro Definition Documentation

CTRL_LRST

#define CTRL_LRST   (1UL << 3UL)

CTRL_PHY_RST

#define CTRL_PHY_RST   (1UL << 31UL)

CTRL_RST

#define CTRL_RST   (1UL << 26UL)

CTRL_SLU

#define CTRL_SLU   (1UL << 6UL)

INTS

#define INTS   (ICR_LSC | ICR_RXO | ICR_RXT0 | ICR_TXQE | ICR_TXDW | ICR_ACK | ICR_RXDMT0 | ICR_SRPD)

Typedef Documentation

E1000NIC

typedef struct _e1000_nic_ E1000NIC

BSD 2-Clause License

Copyright (c) 2022-2023, Manas Kamal Choudhury All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Function Documentation

AuDriverMain()

AU_EXTERN AU_EXPORT int AuDriverMain

(

void

)

AuDriverUnload()

AU_EXTERN AU_EXPORT int AuDriverUnload

(

void

)

AuDriverUnload – Frees and clear up everthing from the driver.

E1000DisableInterrupt()

void E1000DisableInterrupt

(

E1000NIC *

dev

)

E1000EEPROMDetect()

void E1000EEPROMDetect

(

E1000NIC *

dev

)

E1000EEPROMRead()

uint16_t E1000EEPROMRead	(	E1000NIC *	dev,
		uint8_t	addr
	)

E1000InitRX()

void E1000InitRX

(

E1000NIC *

dev

)

E1000InitTX()

void E1000InitTX

(

E1000NIC *

dev

)

E1000IOCtl()

AU_EXTERN AU_EXPORT int E1000IOCtl	(	AuVFSNode *	file,
		int	code,
		void *	arg
	)

E1000IRQHandler()

void E1000IRQHandler	(	size_t	v,
		void *	p
	)

E1000ReadCmd()

uint32_t E1000ReadCmd	(	E1000NIC *	dev,
		uint16_t	addr
	)

E1000ReadCmd – read a command from given offset from mmio address.

Parameters

dev	– pointer to e1000 device
addr	– offset from mmio address

E1000ReadFile()

AU_EXTERN AU_EXPORT size_t E1000ReadFile	(	AuVFSNode *	node,
		AuVFSNode *	file,
		uint64_t *	buffer,
		uint32_t	len
	)

E1000ReadMAC()

void E1000ReadMAC

(

E1000NIC *

dev

)

E1000SendPacket()

void E1000SendPacket	(	E1000NIC *	dev,
		uint8_t *	payload,
		size_t	payload_sz
	)

E1000Thread()

void E1000Thread

(

uint64_t

val

)

E1000TxFull()

int E1000TxFull	(	E1000NIC *	dev,
		int	tx_tail,
		int	tx_head
	)

E1000WriteCmd()

void E1000WriteCmd	(	E1000NIC *	dev,
		uint16_t	addr,
		uint32_t	val
	)

E1000WriteCmd – write a command to given offset from mmio address.

Parameters

dev	– pointer to e1000 device
addr	– offset from mmio address
val	– value to write

E1000WriteFile()

AU_EXTERN AU_EXPORT size_t E1000WriteFile	(	AuVFSNode *	node,
		AuVFSNode *	file,
		uint64_t *	buffer,
		uint32_t	len
	)

E1000WriteMAC()

void E1000WriteMAC

(

E1000NIC *

dev

)

MMIORead32()

uint32_t MMIORead32

(

uint64_t

addr

)

MMIORead32 – reads a 32 bit value from the given address.

Parameters

addr	– address from where to read

MMIOWrite32()

void MMIOWrite32	(	uint64_t	addr,
		uint32_t	val
	)

MMIOWrite32 – write a 32 bit value to given address.

Parameters

addr	– address where to write
val	– value to write

Variable Documentation

e1000_nic

E1000NIC* e1000_nic

ndev

AuNetworkDevice* ndev

nic

AuVFSNode* nic