Rev 3148 | Go to most recent revision | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 3148 | Rev 3159 | ||
|---|---|---|---|
| Line 1... | Line 1... | ||
| 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| 2 | ;; ;; |
2 | ;; ;; |
| 3 | ;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2013. 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 | ;; ARP.INC ;; |
6 | ;; ARP.INC ;; |
| 7 | ;; ;; |
7 | ;; ;; |
| 8 | ;; Part of the tcp/ip network stack for KolibriOS ;; |
8 | ;; Part of the tcp/ip network stack for KolibriOS ;; |
| Line 14... | Line 14... | ||
| 14 | ;; GNU GENERAL PUBLIC LICENSE ;; |
14 | ;; GNU GENERAL PUBLIC LICENSE ;; |
| 15 | ;; Version 2, June- 1991 ;; |
15 | ;; Version 2, June- 1991 ;; |
| 16 | ;; ;; |
16 | ;; ;; |
| 17 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
17 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| Line 18... | Line 18... | ||
| 18 | 18 | ||
| Line 19... | Line 19... | ||
| 19 | $Revision: 3148 $ |
19 | $Revision: 3159 $ |
| 20 | 20 | ||
| 21 | ARP_NO_ENTRY = 0 |
21 | ARP_NO_ENTRY = 0 |
| 22 | ARP_VALID_MAPPING = 1 |
22 | ARP_VALID_MAPPING = 1 |
| Line 155... | Line 155... | ||
| 155 | ; |
155 | ; |
| 156 | ; IN: Pointer to buffer in [esp] |
156 | ; IN: Pointer to buffer in [esp] |
| 157 | ; size of buffer in [esp+4] |
157 | ; size of buffer in [esp+4] |
| 158 | ; packet size (without ethernet header) in ecx |
158 | ; packet size (without ethernet header) in ecx |
| 159 | ; packet ptr in edx |
159 | ; packet ptr in edx |
| - | 160 | ; device ptr in ebx |
|
| 160 | ; OUT: / |
161 | ; OUT: / |
| 161 | ; |
162 | ; |
| 162 | ;----------------------------------------------------------------- |
163 | ;----------------------------------------------------------------- |
| 163 | align 4 |
164 | align 4 |
| 164 | ARP_input: |
165 | ARP_input: |
| Line -... | Line 166... | ||
| - | 166 | ||
| - | 167 | call NET_ptr_to_num |
|
| - | 168 | cmp edi, -1 |
|
| - | 169 | jz .exit |
|
| 165 | 170 | ||
| 166 | cmp ecx, sizeof.ARP_header |
171 | cmp ecx, sizeof.ARP_header |
| Line 167... | Line 172... | ||
| 167 | jb .exit |
172 | jb .exit |
| 168 | 173 | ||
| Line 169... | Line 174... | ||
| 169 | ;--------------------- |
174 | ;--------------------- |
| 170 | ; Handle Reply packets |
175 | ; Handle reply packets |
| Line 171... | Line 176... | ||
| 171 | 176 | ||
| 172 | cmp [edx + ARP_header.Opcode], ARP_REP_OPCODE |
177 | cmp [edx + ARP_header.Opcode], ARP_REP_OPCODE |
| 173 | jne .maybe_request |
178 | jne .maybe_request |
| Line -... | Line 179... | ||
| - | 179 | ||
| - | 180 | DEBUGF 1,"ARP_input: got reply packet from %u.%u.%u.%u\n",\ |
|
| 174 | 181 | [edx + ARP_header.SenderIP]:1, [edx + ARP_header.SenderIP + 1]:1,\ |
|
| 175 | DEBUGF 1,"ARP_input: got reply packet from %u.%u.%u.%u\n",\ |
182 | [edx + ARP_header.SenderIP + 2]:1, [edx + ARP_header.SenderIP + 3]:1 |
| 176 | [edx + ARP_header.SenderIP]:1, [edx + ARP_header.SenderIP + 1]:1,\ |
183 | |
| Line 177... | Line 184... | ||
| 177 | [edx + ARP_header.SenderIP + 2]:1, [edx + ARP_header.SenderIP + 3]:1 |
184 | inc [ARP_PACKETS_RX + 4*edi] |
| - | 185 | ||
| - | 186 | mov ecx, [NumARP] |
|
| 178 | 187 | test ecx, ecx |
|
| 179 | mov ecx, [NumARP] |
188 | jz .exit |
| 180 | test ecx, ecx |
189 | |
| 181 | jz .exit |
190 | mov eax, [edx + ARP_header.SenderIP] |
| 182 | 191 | cmp eax, [IP_LIST + 4*edi] ; check for IP collision |
|
| Line 208... | Line 217... | ||
| 208 | mov cx, word [edx + ARP_header.SenderMAC + 4] |
217 | mov cx, word [edx + ARP_header.SenderMAC + 4] |
| 209 | mov word [esi + ARP_entry.MAC + 4], cx |
218 | mov word [esi + ARP_entry.MAC + 4], cx |
| Line 210... | Line 219... | ||
| 210 | 219 | ||
| Line -... | Line 220... | ||
| - | 220 | jmp .exit |
|
| - | 221 | ||
| - | 222 | .collision: |
|
| - | 223 | DEBUGF 1,"ARP_input: IP address conflict detected!\n" |
|
| Line 211... | Line 224... | ||
| 211 | jmp .exit |
224 | |
| 212 | 225 | jmp .exit |
|
| Line 213... | Line 226... | ||
| 213 | 226 | ||
| 214 | ;----------------------- |
227 | ;----------------------- |
| 215 | ; Handle Request packets |
228 | ; Handle request packets |
| Line 216... | Line -... | ||
| 216 | - | ||
| 217 | .maybe_request: |
- | |
| 218 | cmp [edx + ARP_header.Opcode], ARP_REQ_OPCODE |
- | |
| 219 | jne .exit |
229 | |
| 220 | 230 | .maybe_request: |
|
| Line 221... | Line 231... | ||
| 221 | call NET_ptr_to_num |
231 | cmp [edx + ARP_header.Opcode], ARP_REQ_OPCODE |
| 222 | cmp edi, -1 |
232 | jne .exit |
| Line 288... | Line 298... | ||
| 288 | align 4 |
298 | align 4 |
| 289 | ARP_output_request: |
299 | ARP_output_request: |
| Line 290... | Line 300... | ||
| 290 | 300 | ||
| 291 | push eax ; DestIP |
301 | push eax ; DestIP |
| - | 302 | pushd [IP_LIST + edi] ; SenderIP |
|
| Line 292... | Line 303... | ||
| 292 | pushd [IP_LIST + edi] ; SenderIP |
303 | inc [ARP_PACKETS_TX + edi] ; assume we will succeed |
| 293 | 304 | ||
| Line 294... | Line 305... | ||
| 294 | DEBUGF 1,"ARP_output_request: ip=%u.%u.%u.%u\n",\ |
305 | DEBUGF 1,"ARP_output_request: ip=%u.%u.%u.%u\n",\ |