ne2k.c File Reference

#include <isa/ne2k.h>
#include <isa/8259.h>
#include <sys/device.old.h>
#include <sys/io.h>
#include <sys/idt.h>
#include <lib/kmalloc.h>
#include <lib/kprintf.h>
#include <string.h>
#include <ubixos/kpanic.h>
#include <ubixos/vitals.h>
#include <ubixos/spinlock.h>
#include <assert.h>

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Functions
	asm (".globl ne2kISR \n""ne2kISR: \n"" pusha \n"" call ne2kHandler \n"" popa \n"" iret \n")
static int	dp_pkt2user (struct device *dev, int page, int length)
static int	dp_recv (struct device *)
static void	getblock (struct device *dev, int page, size_t offset, size_t size, void *dst)
int	ne2k_init ()
nicBuffer *	ne2kAllocBuffer (int length)
void	ne2kFreeBuffer (struct nicBuffer *buf)
nicBuffer *	ne2kGetBuffer ()
void	ne2kHandler ()
int	NICtoPC (struct device *dev, void *packet, int length, int nic_addr)
int	PCtoNIC (struct device *dev, void *packet, int length)
Variables
static struct device *	mDev = 0x0
static spinLock_t	ne2k_spinLock = SPIN_LOCK_INITIALIZER
static struct nicBuffer *	ne2kBuffer = 0x0

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Function Documentation

asm

(

".globl ne2kISR \n""ne2kISR: \n"" pusha \n"" call ne2kHandler \n"" popa \n"" iret \n"

)

static int dp_pkt2user	(	struct device *	dev,
		int	page,
		int	length
	)			[static]

Definition at line 297 of file ne2k.c.

References nicBuffer::buffer, DP_PAGESIZE, kprintf(), ne2kAllocBuffer(), NICtoPC(), OK, and stopPage.

Referenced by dp_recv().

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static int dp_recv

(

struct device *

)

[static]

Definition at line 223 of file ne2k.c.

References dp_pkt2user(), getblock(), inportByte(), device::ioAddr, kpanic(), kprintf(), NE_BNRY, NE_CMD, NE_CURRENT, OK, outportByte(), RSR_FO, RSR_PRX, startPage, and stopPage.

Referenced by ne2kHandler().

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static void getblock	(	struct device *	dev,
		int	page,
		size_t	offset,
		size_t	size,
		void *	dst
	)			[static]

Definition at line 279 of file ne2k.c.

References DP_PAGESIZE, E8390_RREAD, E8390_START, EN0_ISR, EN0_RSARHI, EN0_RSARLO, inportWord(), device::ioAddr, NE_CMD, NE_DATAPORT, NE_RBCR0, NE_RBCR1, and outportByte().

Referenced by dp_recv().

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int ne2k_init

(

)

Definition at line 70 of file ne2k.c.

References dDpl0, dInt, DP_CNTR0, DP_CNTR1, DP_CNTR2, DP_CURR, DP_MAR0, DP_MAR1, DP_MAR2, DP_MAR3, DP_MAR4, DP_MAR5, DP_MAR6, DP_MAR7, dPresent, inportByte(), device::ioAddr, device::irq, irqEnable(), kmalloc(), kprintf(), mDev, mVec, ne2kISR(), NE_BNRY, NE_CMD, NE_DCR, NE_IMR, NE_ISR, NE_PSTART, NE_PSTOP, NE_RBCR0, NE_RBCR1, NE_RCR, NE_TCR, outportByte(), setVector(), startPage, stopPage, and x20.

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struct nicBuffer* ne2kAllocBuffer

(

int

length

)

Definition at line 313 of file ne2k.c.

References nicBuffer::buffer, kmalloc(), nicBuffer::length, ne2k_spinLock, ne2kBuffer, nicBuffer::next, spinLock(), and spinUnlock().

Referenced by dp_pkt2user().

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void ne2kFreeBuffer

(

struct nicBuffer *

buf

)

Definition at line 353 of file ne2k.c.

References nicBuffer::buffer, and kfree().

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struct nicBuffer* ne2kGetBuffer

(

)

Definition at line 341 of file ne2k.c.

References ne2k_spinLock, ne2kBuffer, nicBuffer::next, and x1.

void ne2kHandler

(

)

Definition at line 191 of file ne2k.c.

References dp_recv(), eoi, inportByte(), device::ioAddr, irqDisable(), irqEnable(), kprintf(), mDev, mPic, NE_IMR, NE_ISR, NE_TPSR, outportByte(), sPic, and status.

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int NICtoPC	(	struct device *	dev,
		void *	packet,
		int	length,
		int	nic_addr
	)

Definition at line 164 of file ne2k.c.

References assert, EN0_ISR, EN0_RCNTHI, EN0_RCNTLO, EN0_RSARHI, EN0_RSARLO, inportWord(), device::ioAddr, NE_DATAPORT, and outportByte().

Referenced by dp_pkt2user().

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int PCtoNIC	(	struct device *	dev,
		void *	packet,
		int	length
	)

Definition at line 115 of file ne2k.c.

References assert, E8390_RWRITE, E8390_START, EN0_ISR, EN0_RCNTHI, EN0_RCNTLO, EN0_RSARHI, EN0_RSARLO, inportByte(), device::ioAddr, kpanic(), NE_DATAPORT, outportByte(), and outportWord().

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Variable Documentation

struct device* mDev = 0x0 [static]

Definition at line 51 of file ne2k.c.

Referenced by ne2k_init(), and ne2kHandler().

spinLock_t ne2k_spinLock = SPIN_LOCK_INITIALIZER [static]

Definition at line 44 of file ne2k.c.

Referenced by ne2kAllocBuffer(), and ne2kGetBuffer().

struct nicBuffer* ne2kBuffer = 0x0 [static]

Definition at line 50 of file ne2k.c.

Referenced by ne2kAllocBuffer(), and ne2kGetBuffer().

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