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
3845	hidnplayr	14	; This macro will prepend driver name to all debug output through DEBUGF macro
		15	; The driver name is taken from my_service label
		16
		17	if defined my_service
		18
		19	macro DEBUGF _level,_format, [args] {
		20	common DEBUGF _level, "%s: " # _format, my_service, args
		21	}
		22
		23	end if
		24
3545	hidnplayr	25	; Kernel variables
		26
		27	PAGESIZE = 4096
		28	PG_SW = 0x003
		29	PG_NOCACHE = 0x018
		30
		31
		32	; network driver types
		33
		34	NET_TYPE_ETH = 1
		35	NET_TYPE_SLIP = 2
		36
		37	; link state
		38
		39	ETH_LINK_DOWN = 0 ; Link is down
		40	ETH_LINK_UNKOWN = 1b ; There could be an active link
		41	ETH_LINK_FD = 10b ; full duplex flag
		42	ETH_LINK_10M = 100b ; 10 mbit
		43	ETH_LINK_100M = 1000b ; 100 mbit
		44	ETH_LINK_1G = 10000b ; gigabit
		45
		46
		47	LAST_IO = 0
		48	macro set_io addr {
		49
		50	if addr = 0
		51	mov edx, [device.io_addr]
		52	else if addr = LAST_IO
		53	else
		54	add edx, addr - LAST_IO
		55	end if
		56
		57	LAST_IO = addr
		58	}
		59
		60	macro allocate_and_clear dest, size, err {
		61
		62	; We need to allocate at least 8 pages, if we want a continuous memory in ram
		63	push edx
		64	if (size < 8*4096) & (size > 4096)
		65	stdcall KernelAlloc, 8*4096
		66	else
		67	stdcall KernelAlloc, size
		68	end if
		69	pop edx
		70
		71	test eax, eax
		72	jz err
		73	mov dest, eax ; Save the address to it into the device struct
		74	mov edi, eax ; look at last part of code!
		75
		76	; Release the unused pages (if any)
		77	if (size < 8*4096) & (size > 4096)
		78	add eax, (size/4096+1)*4096
		79	mov ecx, 8-(size/4096+1)
		80	push edx
		81	call ReleasePages
		82	pop edx
		83	end if
		84
		85	; Clear the allocated buffer
		86	mov ecx, size/4 ; divide by 4 because of DWORD
		87	xor eax, eax
		88	rep stosd
		89
3635	hidnplayr	90	if (size - size/4*4)
		91	mov ecx, size - size/4*4
		92	rep stosb
		93	end if
		94
3545	hidnplayr	95	}
		96
		97	struc IOCTL {
		98	.handle dd ?
		99	.io_code dd ?
		100	.input dd ?
		101	.inp_size dd ?
		102	.output dd ?
		103	.out_size dd ?
		104	}
		105
		106	virtual at edx
		107	IOCTL IOCTL
		108	end virtual
		109
		110
		111	if used null_op
		112	align 4
		113	null_op:
		114	or eax, -1
		115	ret
		116
		117	end if
		118
		119
		120	macro GetRealAddr { ; input and output is eax
		121
		122	push ax
		123	call GetPgAddr
		124	and word[esp], PAGESIZE - 1
		125	or ax, word[esp]
		126	inc esp
		127	inc esp
		128
		129	}
		130
		131	macro NET_DEVICE {
		132
		133	.type dd ? ; Type field
		134	.mtu dd ? ; Maximal Transmission Unit
		135	.name dd ? ; Ptr to 0 terminated string
		136
		137	.unload dd ? ; Ptrs to driver functions
		138	.reset dd ? ;
		139	.transmit dd ? ;
		140
		141	.bytes_tx dq ? ; Statistics, updated by the driver
		142	.bytes_rx dq ? ;
		143	.packets_tx dd ? ;
		144	.packets_rx dd ? ;
		145
		146	.state dd ? ; link state (0 = no link)
		147	.hwacc dd ? ; bitmask stating enabled HW accelerations
		148
		149	.end:
		150	}
		151
		152
		153	macro ETH_DEVICE {
		154	NET_DEVICE
		155
		156	.mac dp ?
		157	dw ? ; qword alignment
		158
		159	}
		160
		161
		162
		163	macro SLIP_DEVICE {
		164	NET_DEVICE
		165
		166	}

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(root)/drivers/netdrv.inc – Rev 3845