WebSVN – Kolibri OS – Diff – /kernel/branches/net/network/stack.inc


;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;                                                                 ;;
;; Copyright (C) KolibriOS team 2004-2009. All rights reserved.    ;;
;; Distributed under terms of the GNU General Public License       ;;
;;                                                                 ;;
;;  STACK.INC                                                      ;;
;;                                                                 ;;
;;  BASIC TCP/IP stack for KolibriOS                               ;;
;;                                                                 ;;
;;    Written by hidnplayr@kolibrios.org                           ;;
;;                                                                 ;;
;;     based on the work of Mike Hibbett, mikeh@oceanfree.net      ;;
;;     but also Paolo Franchetti                                   ;;
;;                                                                 ;;
;;          GNU GENERAL PUBLIC LICENSE                             ;;
;;             Version 2, June 1991                                ;;
;;                                                                 ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
$Revision: 1206 $
 
uglobal
	last_1sTick	db ?
	last_1hsTick	dd ?
endg
 
MAX_NET_DEVICES equ 16
 
MIN_EPHEMERAL_PORT equ 49152
MAX_EPHEMERAL_PORT equ 61000
 
ETHER		equ 1337
ETHER_ARP	equ 0x0608
 
;AF_UNSPEC       equ 0
;AF_UNIX         equ 1
AF_INET4	equ 2
;AF_AX25         equ 3
;AF_IPX          equ 4
;AF_APPLETALK    equ 5
;AF_NETROM       equ 6
;AF_BRIDGE       equ 7
;AF_AAL5         equ 8
;AF_X25          equ 9
;AF_INET6        equ 10
;AF_MAX          equ 12
 
IP_PROTO_IP	equ 0
IP_PROTO_ICMP	equ 1
IP_PROTO_TCP	equ 6
IP_PROTO_UDP	equ 17
 
; Socket types
SOCK_STREAM	= 1
SOCK_DGRAM	= 2
SOCK_RAW	= 3
 
; TCP opening modes
SOCKET_PASSIVE	equ 0
SOCKET_ACTIVE	equ 1
 
include "queue.inc"
include "ARP.inc"
include "IPv4.inc"
include "ethernet.inc"
include "socket.inc"
;include "tcp.inc"
include "udp.inc"
include "icmp.inc"
 
;-----------------------------------------------
;
; stack_init
;
;  This function calls all network init procedures
;
;  IN:  /
;  OUT: /
;
;-----------------------------------------------
 
align 4
stack_init:
 
	call	ETH_init
	call	IPv4_init
	call	ARP_init
	call	UDP_init
	call	ICMP_init
	call	socket_init
 
	mov	al, 0x0 		; set up 1s timer
	out	0x70, al
	in	al, 0x71
	mov	[last_1sTick], al
 
	ret
 
 
 
;-----------------------------------------------
;
; stack_handler
;
;  This function calls all network init procedures
;
;  IN:  /
;  OUT: /
;
;-----------------------------------------------
 
align 4
stack_handler:
 
    cmp     [ETH_RUNNING], 0
    je	    .exit
 
    call    ETH_handler 		; handle all queued ethernet packets
    call    ETH_send_queued
 
    ; Test for 10ms tick, call tcp timer
    mov     eax, [timer_ticks]
    cmp     eax, [last_1hsTick]
    je	    .exit
 
    mov     [last_1hsTick], eax
;    call    tcp_tx_handler
 
  .sec_tick:
 
    ; Test for 1 second event, call 1s timer functions
    mov     al, 0x0   ;second
    out     0x70, al
    in	    al, 0x71
    cmp     al, [last_1sTick]
    je	    .exit
 
    mov     [last_1sTick], al
 
    call    ARP_decrease_entry_ttls
    call    IPv4_decrease_fragment_ttls
;    call    tcp_tcb_handler
 
  .exit:
    ret
 
 
 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Checksum [by Johnny_B]
;;  IN:
;;    buf_ptr=POINTER to buffer
;;    buf_size=SIZE of buffer
;;  OUT:
;;    AX=16-bit checksum
;;              Saves all used registers
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
proc checksum_jb stdcall uses ebx esi ecx,\
     buf_ptr:DWORD, buf_size:DWORD
 
    xor     eax, eax
    xor     ebx, ebx  ;accumulator
    mov     esi, dword[buf_ptr]
    mov     ecx, dword[buf_size]
    shr     ecx, 1  ; ecx=ecx/2
    jnc     @f	    ; if CF==0 then size is even number
    mov     bh, byte[esi + ecx*2]
  @@:
    cld
 
  .loop:
    lodsw		;eax=word[esi],esi=esi+2
    xchg    ah,al	;cause must be a net byte-order
    add     ebx, eax
    loop    .loop
 
    mov     eax, ebx
    shr     eax, 16
    add     ax, bx
    not     ax
 
    ret
endp
 
 
 
;----------------------------------------------------------------
;
;  System function to work with network devices (73)
;
;----------------------------------------------------------------
 
align 4
sys_network:
 
	cmp	ebx, -1
	jne	@f
 
	mov	eax, [ETH_RUNNING]
	jmp	.return
 
   @@:
	cmp	bh, MAX_NET_DEVICES		 ; Check if device number exists
	jge	.doesnt_exist
 
	mov	esi, ebx
	and	esi, 0x0000ff00
	shr	esi, 6
 
	cmp	dword [esi + ETH_DRV_LIST], 0 ; check if driver is running
	je	.doesnt_exist
 
	test	bl, bl			; 0 = Get device type (ethernet/token ring/...)
	jnz	@f
					 ; todo
	xor	eax, eax
	jmp	.return
 
 
  @@:
	dec	bl			; 1 = Get device name
	jnz	@f
 
	mov	esi, [esi + ETH_DRV_LIST]
	mov	esi, [esi + ETH_DEVICE.name]
	mov	edi, ecx
 
	mov	ecx, 64 ; max length
	repnz	movsb
 
	xor	eax, eax
	jmp	.return
 
  @@:
 
	dec	bl			; 2 = Reset the device
	jnz	@f
 
	mov	esi, [esi + ETH_DRV_LIST]
	call	[esi + ETH_DEVICE.reset]
	jmp	.return
 
  @@:
 
	dec	bl			; 3 = Stop driver for this device
	jnz	@f
 
	mov	esi, [esi + ETH_DRV_LIST]
	call	[esi + ETH_DEVICE.unload]
	jmp	.return
 
  @@:
 
  .doesnt_exist:
	DEBUGF	1,"sys_network: invalid device/function specified!\n"
	mov	eax, -1
 
  .return:
	mov	[esp+28+4], eax
	ret
 
 
;----------------------------------------------------------------
;
;  System Function To work with Protocols  (75)
;
;----------------------------------------------------------------
 
align 4
sys_protocols:
	cmp	bh, MAX_NET_DEVICES		; Check if device number exists
	jge	.doesnt_exist
 
	mov	esi, ebx
	and	esi, 0x0000ff00
	shr	esi, 6
	cmp	dword [esi + ETH_DRV_LIST], 0	; check if driver is running TODO: check other lists too
	je	.doesnt_exist
 
	push	.return 			; return address (we will be using jumps instead of calls)
 
	mov	eax, ebx			; set ax to protocol number
	shr	eax, 16 			;
 
	cmp	ax , IP_PROTO_IP
	je	IPv4_API
 
	cmp	ax , IP_PROTO_ICMP
	je	ICMP_API
 
	cmp	ax , IP_PROTO_UDP
	je	UDP_API
 
	cmp	ax , IP_PROTO_TCP
;        je      TCP_API
 
	cmp	ax , ETHER_ARP
	je	ARP_API
 
	cmp	ax , ETHER
	je	ETH_API
 
	add	esp, 4				 ; if we reached here, no function was called, so we need to balance stack
 
  .doesnt_exist:
	DEBUGF	1,"sys_protocols: protocol %u doesnt exist on device %u!\n",ax, bh
	mov	eax, -1
 
  .return:
	mov	[esp+28+4], eax
	ret

Rev 1200	Rev 1206
1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
2	;; ;;	2	;; ;;
3	;; Copyright (C) KolibriOS team 2004-2009. All rights reserved. ;;	3	;; Copyright (C) KolibriOS team 2004-2009. All rights reserved. ;;
4	;; Distributed under terms of the GNU General Public License ;;	4	;; Distributed under terms of the GNU General Public License ;;
5	;; ;;	5	;; ;;
6	;; STACK.INC ;;	6	;; STACK.INC ;;
7	;; ;;	7	;; ;;
8	;; BASIC TCP/IP stack for KolibriOS ;;	8	;; BASIC TCP/IP stack for KolibriOS ;;
9	;; ;;	9	;; ;;
10	;; Written by hidnplayr@kolibrios.org ;;	10	;; Written by hidnplayr@kolibrios.org ;;
11	;; ;;	11	;; ;;
12	;; based on the work of Mike Hibbett, mikeh@oceanfree.net ;;	12	;; based on the work of Mike Hibbett, mikeh@oceanfree.net ;;
13	;; but also Paolo Franchetti ;;	13	;; but also Paolo Franchetti ;;
14	;; ;;	14	;; ;;
15	;; GNU GENERAL PUBLIC LICENSE ;;	15	;; GNU GENERAL PUBLIC LICENSE ;;
16	;; Version 2, June 1991 ;;	16	;; Version 2, June 1991 ;;
17	;; ;;	17	;; ;;
18	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	18	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
19		19
20	$Revision: 983 $	20	$Revision: 1206 $
21		21
22	uglobal	22	uglobal
23	last_1sTick db ?	23	last_1sTick db ?
24	last_1hsTick dd ?	24	last_1hsTick dd ?
25	endg	25	endg
26		26
27	MAX_NET_DEVICES equ 16	27	MAX_NET_DEVICES equ 16
28		28
29	MIN_EPHEMERAL_PORT equ 49152	29	MIN_EPHEMERAL_PORT equ 49152
30	MAX_EPHEMERAL_PORT equ 61000	30	MAX_EPHEMERAL_PORT equ 61000
31		31
32	ETHER equ 1337	32	ETHER equ 1337
33	ETHER_ARP equ 0x0608	33	ETHER_ARP equ 0x0608
34		34
35	;AF_UNSPEC equ 0	35	;AF_UNSPEC equ 0
36	;AF_UNIX equ 1	36	;AF_UNIX equ 1
37	AF_INET4 equ 2	37	AF_INET4 equ 2
38	;AF_AX25 equ 3	38	;AF_AX25 equ 3
39	;AF_IPX equ 4	39	;AF_IPX equ 4
40	;AF_APPLETALK equ 5	40	;AF_APPLETALK equ 5
41	;AF_NETROM equ 6	41	;AF_NETROM equ 6
42	;AF_BRIDGE equ 7	42	;AF_BRIDGE equ 7
43	;AF_AAL5 equ 8	43	;AF_AAL5 equ 8
44	;AF_X25 equ 9	44	;AF_X25 equ 9
45	;AF_INET6 equ 10	45	;AF_INET6 equ 10
46	;AF_MAX equ 12	46	;AF_MAX equ 12
47		47
48	IP_PROTO_IP equ 0	48	IP_PROTO_IP equ 0
49	IP_PROTO_ICMP equ 1	49	IP_PROTO_ICMP equ 1
50	IP_PROTO_TCP equ 6	50	IP_PROTO_TCP equ 6
51	IP_PROTO_UDP equ 17	51	IP_PROTO_UDP equ 17
52		52
53	; Socket types	53	; Socket types
54	SOCK_STREAM = 1	54	SOCK_STREAM = 1
55	SOCK_DGRAM = 2	55	SOCK_DGRAM = 2
56	SOCK_RAW = 3	56	SOCK_RAW = 3
57		57
58	; TCP opening modes	58	; TCP opening modes
59	SOCKET_PASSIVE equ 0	59	SOCKET_PASSIVE equ 0
60	SOCKET_ACTIVE equ 1	60	SOCKET_ACTIVE equ 1
61		61
62	include "queue.inc"	62	include "queue.inc"
63	include "ARP.inc"	63	include "ARP.inc"
64	include "IPv4.inc"	64	include "IPv4.inc"
65	include "ethernet.inc"	65	include "ethernet.inc"
66	include "socket.inc"	66	include "socket.inc"
67	;include "tcp.inc"	67	;include "tcp.inc"
68	include "udp.inc"	68	include "udp.inc"
69	include "icmp.inc"	69	include "icmp.inc"
70		70
71	;-----------------------------------------------	71	;-----------------------------------------------
72	;	72	;
73	; stack_init	73	; stack_init
74	;	74	;
75	; This function calls all network init procedures	75	; This function calls all network init procedures
76	;	76	;
77	; IN: /	77	; IN: /
78	; OUT: /	78	; OUT: /
79	;	79	;
80	;-----------------------------------------------	80	;-----------------------------------------------
81		81
82	align 4	82	align 4
83	stack_init:	83	stack_init:
84		84
85	call ETH_init	85	call ETH_init
86	call IPv4_init	86	call IPv4_init
87	call ARP_init	87	call ARP_init
88	call UDP_init	88	call UDP_init
89	call ICMP_init	89	call ICMP_init
90	call socket_init	90	call socket_init
91		91
92	mov al, 0x0 ; set up 1s timer	92	mov al, 0x0 ; set up 1s timer
93	out 0x70, al	93	out 0x70, al
94	in al, 0x71	94	in al, 0x71
95	mov [last_1sTick], al	95	mov [last_1sTick], al
96		96
97	ret	97	ret
98		98
99		99
100		100
101	;-----------------------------------------------	101	;-----------------------------------------------
102	;	102	;
103	; stack_handler	103	; stack_handler
104	;	104	;
105	; This function calls all network init procedures	105	; This function calls all network init procedures
106	;	106	;
107	; IN: /	107	; IN: /
108	; OUT: /	108	; OUT: /
109	;	109	;
110	;-----------------------------------------------	110	;-----------------------------------------------
111		111
112	align 4	112	align 4
113	stack_handler:	113	stack_handler:
114		114
115	cmp [ETH_RUNNING], 0	115	cmp [ETH_RUNNING], 0
116	je .exit	116	je .exit
117		117
118	call ETH_handler ; handle all queued ethernet packets	118	call ETH_handler ; handle all queued ethernet packets
119	call ETH_send_queued	119	call ETH_send_queued
120		120
121	; Test for 10ms tick, call tcp timer	121	; Test for 10ms tick, call tcp timer
122	mov eax, [timer_ticks]	122	mov eax, [timer_ticks]
123	cmp eax, [last_1hsTick]	123	cmp eax, [last_1hsTick]
124	je .exit	124	je .exit
125		125
126	mov [last_1hsTick], eax	126	mov [last_1hsTick], eax
127	; call tcp_tx_handler	127	; call tcp_tx_handler
128		128
129	.sec_tick:	129	.sec_tick:
130		130
131	; Test for 1 second event, call 1s timer functions	131	; Test for 1 second event, call 1s timer functions
132	mov al, 0x0 ;second	132	mov al, 0x0 ;second
133	out 0x70, al	133	out 0x70, al
134	in al, 0x71	134	in al, 0x71
135	cmp al, [last_1sTick]	135	cmp al, [last_1sTick]
136	je .exit	136	je .exit
137		137
138	mov [last_1sTick], al	138	mov [last_1sTick], al
139		139
140	call ARP_decrease_entry_ttls	140	call ARP_decrease_entry_ttls
141	call IPv4_decrease_fragment_ttls	141	call IPv4_decrease_fragment_ttls
142	; call tcp_tcb_handler	142	; call tcp_tcb_handler
143		143
144	.exit:	144	.exit:
145	ret	145	ret
146		146
147		147
148		148
149	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	149	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
150	;; Checksum [by Johnny_B]	150	;; Checksum [by Johnny_B]
151	;; IN:	151	;; IN:
152	;; buf_ptr=POINTER to buffer	152	;; buf_ptr=POINTER to buffer
153	;; buf_size=SIZE of buffer	153	;; buf_size=SIZE of buffer
154	;; OUT:	154	;; OUT:
155	;; AX=16-bit checksum	155	;; AX=16-bit checksum
156	;; Saves all used registers	156	;; Saves all used registers
157	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	157	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
158	proc checksum_jb stdcall uses ebx esi ecx,\	158	proc checksum_jb stdcall uses ebx esi ecx,\
159	buf_ptr:DWORD, buf_size:DWORD	159	buf_ptr:DWORD, buf_size:DWORD
160		160
161	xor eax, eax	161	xor eax, eax
162	xor ebx, ebx ;accumulator	162	xor ebx, ebx ;accumulator
163	mov esi, dword[buf_ptr]	163	mov esi, dword[buf_ptr]
164	mov ecx, dword[buf_size]	164	mov ecx, dword[buf_size]
165	shr ecx, 1 ; ecx=ecx/2	165	shr ecx, 1 ; ecx=ecx/2
166	jnc @f ; if CF==0 then size is even number	166	jnc @f ; if CF==0 then size is even number
167	mov bh, byte[esi + ecx*2]	167	mov bh, byte[esi + ecx*2]
168	@@:	168	@@:
169	cld	169	cld
170		170
171	.loop:	171	.loop:
172	lodsw ;eax=word[esi],esi=esi+2	172	lodsw ;eax=word[esi],esi=esi+2
173	xchg ah,al ;cause must be a net byte-order	173	xchg ah,al ;cause must be a net byte-order
174	add ebx, eax	174	add ebx, eax
175	loop .loop	175	loop .loop
176		176
177	mov eax, ebx	177	mov eax, ebx
178	shr eax, 16	178	shr eax, 16
179	add ax, bx	179	add ax, bx
180	not ax	180	not ax
181		181
182	ret	182	ret
183	endp	183	endp
184		184
185		185
186		186
187	;----------------------------------------------------------------	187	;----------------------------------------------------------------
188	;	188	;
189	; System function to work with network devices (73)	189	; System function to work with network devices (73)
190	;	190	;
191	;----------------------------------------------------------------	191	;----------------------------------------------------------------
192		192
193	align 4	193	align 4
194	sys_network:	194	sys_network:
195		195
196	cmp ebx, -1	196	cmp ebx, -1
197	jne @f	197	jne @f
198		198
199	mov eax, [ETH_RUNNING]	199	mov eax, [ETH_RUNNING]
200	jmp .return	200	jmp .return
201		201
202	@@:	202	@@:
203	cmp bh, MAX_NET_DEVICES ; Check if device number exists	203	cmp bh, MAX_NET_DEVICES ; Check if device number exists
204	jge .doesnt_exist	204	jge .doesnt_exist
205		205
206	mov esi, ebx	206	mov esi, ebx
207	and esi, 0x0000ff00	207	and esi, 0x0000ff00
208	shr esi, 6	208	shr esi, 6
209		209
210	cmp dword [esi + ETH_DRV_LIST], 0 ; check if driver is running	210	cmp dword [esi + ETH_DRV_LIST], 0 ; check if driver is running
211	je .doesnt_exist	211	je .doesnt_exist
212		212
213	test bl, bl ; 0 = Get device type (ethernet/token ring/...)	213	test bl, bl ; 0 = Get device type (ethernet/token ring/...)
214	jnz @f	214	jnz @f
215	; todo	215	; todo
216	xor eax, eax	216	xor eax, eax
217	jmp .return	217	jmp .return
218		218
219		219
220	@@:	220	@@:
221	dec bl ; 1 = Get device name	221	dec bl ; 1 = Get device name
222	jnz @f	222	jnz @f
223		223
224	mov esi, [esi + ETH_DRV_LIST]	224	mov esi, [esi + ETH_DRV_LIST]
225	mov esi, [esi + ETH_DEVICE.name]	225	mov esi, [esi + ETH_DEVICE.name]
226	mov edi, ecx	226	mov edi, ecx
227		227
228	mov ecx, 64 ; max length	228	mov ecx, 64 ; max length
229	repnz movsb	229	repnz movsb
230		230
231	xor eax, eax	231	xor eax, eax
232	jmp .return	232	jmp .return
233		233
234	@@:	234	@@:
235		235
236	dec bl ; 2 = Reset the device	236	dec bl ; 2 = Reset the device
237	jnz @f	237	jnz @f
238		238
239	mov esi, [esi + ETH_DRV_LIST]	239	mov esi, [esi + ETH_DRV_LIST]
240	call [esi + ETH_DEVICE.reset]	240	call [esi + ETH_DEVICE.reset]
241	jmp .return	241	jmp .return
242		242
243	@@:	243	@@:
244		244
245	dec bl ; 3 = Stop driver for this device	245	dec bl ; 3 = Stop driver for this device
246	jnz @f	246	jnz @f
247		247
248	mov esi, [esi + ETH_DRV_LIST]	248	mov esi, [esi + ETH_DRV_LIST]
249	call [esi + ETH_DEVICE.unload]	249	call [esi + ETH_DEVICE.unload]
250	jmp .return	250	jmp .return
251		251
252	@@:	252	@@:
253		253
254	.doesnt_exist:	254	.doesnt_exist:
255	DEBUGF 1,"sys_network: invalid device/function specified!\n"	255	DEBUGF 1,"sys_network: invalid device/function specified!\n"
256	mov eax, -1	256	mov eax, -1
257		257
258	.return:	258	.return:
259	mov [esp+28+4], eax	259	mov [esp+28+4], eax
260	ret	260	ret
261		261
262		262
263	;----------------------------------------------------------------	263	;----------------------------------------------------------------
264	;	264	;
265	; System Function To work with Protocols (75)	265	; System Function To work with Protocols (75)
266	;	266	;
267	;----------------------------------------------------------------	267	;----------------------------------------------------------------
268		268
269	align 4	269	align 4
270	sys_protocols:	270	sys_protocols:
271	cmp bh, MAX_NET_DEVICES ; Check if device number exists	271	cmp bh, MAX_NET_DEVICES ; Check if device number exists
272	jge .doesnt_exist	272	jge .doesnt_exist
273		273
274	mov esi, ebx	274	mov esi, ebx
275	and esi, 0x0000ff00	275	and esi, 0x0000ff00
276	shr esi, 6	276	shr esi, 6
277	cmp dword [esi + ETH_DRV_LIST], 0 ; check if driver is running TODO: check other lists too	277	cmp dword [esi + ETH_DRV_LIST], 0 ; check if driver is running TODO: check other lists too
278	je .doesnt_exist	278	je .doesnt_exist
279		279
280	push .return ; return address (we will be using jumps instead of calls)	280	push .return ; return address (we will be using jumps instead of calls)
281		281
282	mov eax, ebx ; set ax to protocol number	282	mov eax, ebx ; set ax to protocol number
283	shr eax, 16 ;	283	shr eax, 16 ;
284		284
285	cmp ax , IP_PROTO_IP	285	cmp ax , IP_PROTO_IP
286	je IPv4_API	286	je IPv4_API
287		287
288	cmp ax , IP_PROTO_ICMP	288	cmp ax , IP_PROTO_ICMP
289	je ICMP_API	289	je ICMP_API
290		290
291	cmp ax , IP_PROTO_UDP	291	cmp ax , IP_PROTO_UDP
292	je UDP_API	292	je UDP_API
293		293
294	cmp ax , IP_PROTO_TCP	294	cmp ax , IP_PROTO_TCP
295	; je TCP_API	295	; je TCP_API
296		296
297	cmp ax , ETHER_ARP	297	cmp ax , ETHER_ARP
298	je ARP_API	298	je ARP_API
299		299
300	cmp ax , ETHER	300	cmp ax , ETHER
301	je ETH_API	301	je ETH_API
302		302
303	add esp, 4 ; if we reached here, no function was called, so we need to balance stack	303	add esp, 4 ; if we reached here, no function was called, so we need to balance stack
304		304
305	.doesnt_exist:	305	.doesnt_exist:
306	DEBUGF 1,"sys_protocols: protocol %u doesnt exist on device %u!\n",ax, bh	306	DEBUGF 1,"sys_protocols: protocol %u doesnt exist on device %u!\n",ax, bh
307	mov eax, -1	307	mov eax, -1
308		308
309	.return:	309	.return:
310	mov [esp+28+4], eax	310	mov [esp+28+4], eax
311	ret	311	ret

Subversion Repositories Kolibri OS

(root)/kernel/branches/net/network/stack.inc – Rev 1200 → 1206