WebSVN – Kolibri OS – Blame – /drivers/netdrv.inc

Rev	Author	Line No.	Line
3545	hidnplayr	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
		3	;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;;
		4	;; Distributed under terms of the GNU General Public License ;;
		5	;; ;;
		6	;; GNU GENERAL PUBLIC LICENSE ;;
		7	;; Version 2, June 1991 ;;
		8	;; ;;
		9	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		10
		11	include 'pci.inc'
		12	include 'mii.inc'
		13
		14	; Kernel variables
		15
		16	PAGESIZE = 4096
		17	PG_SW = 0x003
		18	PG_NOCACHE = 0x018
		19
		20
		21	; network driver types
		22
		23	NET_TYPE_ETH = 1
		24	NET_TYPE_SLIP = 2
		25
		26	; link state
		27
		28	ETH_LINK_DOWN = 0 ; Link is down
		29	ETH_LINK_UNKOWN = 1b ; There could be an active link
		30	ETH_LINK_FD = 10b ; full duplex flag
		31	ETH_LINK_10M = 100b ; 10 mbit
		32	ETH_LINK_100M = 1000b ; 100 mbit
		33	ETH_LINK_1G = 10000b ; gigabit
		34
		35
		36	LAST_IO = 0
		37	macro set_io addr {
		38
		39	if addr = 0
		40	mov edx, [device.io_addr]
		41	else if addr = LAST_IO
		42	else
		43	add edx, addr - LAST_IO
		44	end if
		45
		46	LAST_IO = addr
		47	}
		48
		49	macro allocate_and_clear dest, size, err {
		50
		51	; We need to allocate at least 8 pages, if we want a continuous memory in ram
		52	push edx
		53	if (size < 8*4096) & (size > 4096)
		54	stdcall KernelAlloc, 8*4096
		55	else
		56	stdcall KernelAlloc, size
		57	end if
		58	pop edx
		59
		60	test eax, eax
		61	jz err
		62	mov dest, eax ; Save the address to it into the device struct
		63	mov edi, eax ; look at last part of code!
		64
		65	; Release the unused pages (if any)
		66	if (size < 8*4096) & (size > 4096)
		67	add eax, (size/4096+1)*4096
		68	mov ecx, 8-(size/4096+1)
		69	push edx
		70	call ReleasePages
		71	pop edx
		72	end if
		73
		74	; Clear the allocated buffer
		75	mov ecx, size/4 ; divide by 4 because of DWORD
		76	xor eax, eax
		77	rep stosd
		78
		79	}
		80
		81	struc IOCTL {
		82	.handle dd ?
		83	.io_code dd ?
		84	.input dd ?
		85	.inp_size dd ?
		86	.output dd ?
		87	.out_size dd ?
		88	}
		89
		90	virtual at edx
		91	IOCTL IOCTL
		92	end virtual
		93
		94
		95	if used null_op
		96	align 4
		97	null_op:
		98	or eax, -1
		99	ret
		100
		101	end if
		102
		103
		104	macro GetRealAddr { ; input and output is eax
		105
		106	push ax
		107	call GetPgAddr
		108	and word[esp], PAGESIZE - 1
		109	or ax, word[esp]
		110	inc esp
		111	inc esp
		112
		113	}
		114
		115	macro NET_DEVICE {
		116
		117	.type dd ? ; Type field
		118	.mtu dd ? ; Maximal Transmission Unit
		119	.name dd ? ; Ptr to 0 terminated string
		120
		121	.unload dd ? ; Ptrs to driver functions
		122	.reset dd ? ;
		123	.transmit dd ? ;
		124
		125	.bytes_tx dq ? ; Statistics, updated by the driver
		126	.bytes_rx dq ? ;
		127	.packets_tx dd ? ;
		128	.packets_rx dd ? ;
		129
		130	.state dd ? ; link state (0 = no link)
		131	.hwacc dd ? ; bitmask stating enabled HW accelerations
		132
		133	.end:
		134	}
		135
		136
		137	macro ETH_DEVICE {
		138	NET_DEVICE
		139
		140	.mac dp ?
		141	dw ? ; qword alignment
		142
		143	}
		144
		145
		146
		147	macro SLIP_DEVICE {
		148	NET_DEVICE
		149
		150	}

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(root)/drivers/netdrv.inc – Rev 3545