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| Rev 2890 | Rev 2891 | ||
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| 12 | ;; GNU GENERAL PUBLIC LICENSE ;; |
12 | ;; GNU GENERAL PUBLIC LICENSE ;; |
| 13 | ;; Version 2, June 1991 ;; |
13 | ;; Version 2, June 1991 ;; |
| 14 | ;; ;; |
14 | ;; ;; |
| 15 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
15 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| Line 16... | Line 16... | ||
| 16 | 16 | ||
| Line 17... | Line 17... | ||
| 17 | $Revision: 2890 $ |
17 | $Revision: 2891 $ |
| Line 18... | Line 18... | ||
| 18 | 18 | ||
| Line 114... | Line 114... | ||
| 114 | ; |
114 | ; |
| 115 | ;----------------------------------------------------------------- |
115 | ;----------------------------------------------------------------- |
| 116 | align 4 |
116 | align 4 |
| 117 | UDP_input: |
117 | UDP_input: |
| Line 118... | Line 118... | ||
| 118 | 118 | ||
| Line 119... | Line 119... | ||
| 119 | DEBUGF 1,"UDP_input, size:%u\n", ecx |
119 | DEBUGF 1,"UDP_input: size=%u\n", ecx |
| Line 120... | Line 120... | ||
| 120 | 120 | ||
| 121 | ; First validate, checksum |
121 | ; First validate, checksum |
| Line 127... | Line 127... | ||
| 127 | 127 | ||
| 128 | UDP_checksum (edi), (edi+4) |
128 | UDP_checksum (edi), (edi+4) |
| Line 129... | Line 129... | ||
| 129 | jnz .checksum_mismatch |
129 | jnz .checksum_mismatch |
| 130 | 130 | ||
| Line 131... | Line 131... | ||
| 131 | .no_checksum: |
131 | .no_checksum: |
| Line 132... | Line 132... | ||
| 132 | DEBUGF 1,"UDP Checksum is correct\n" |
132 | DEBUGF 1,"UDP_input: checksum ok\n" |
| 133 | 133 | ||
| Line 158... | Line 158... | ||
| 158 | jne .next_socket |
158 | jne .next_socket |
| Line 159... | Line 159... | ||
| 159 | 159 | ||
| 160 | cmp [eax + UDP_SOCKET.LocalPort], dx |
160 | cmp [eax + UDP_SOCKET.LocalPort], dx |
| Line 161... | Line 161... | ||
| 161 | jne .next_socket |
161 | jne .next_socket |
| Line 162... | Line 162... | ||
| 162 | 162 | ||
| Line 163... | Line 163... | ||
| 163 | DEBUGF 1,"using socket: %x\n", eax |
163 | DEBUGF 1,"UDP_input: socket=%x\n", eax |
| 164 | 164 | ||
| Line 182... | Line 182... | ||
| 182 | lea ecx, [eax + SOCKET.mutex] |
182 | lea ecx, [eax + SOCKET.mutex] |
| 183 | call mutex_lock |
183 | call mutex_lock |
| 184 | popa |
184 | popa |
| Line 185... | Line 185... | ||
| 185 | 185 | ||
| 186 | .updatesock: |
186 | .updatesock: |
| 187 | inc [UDP_PACKETS_RX] |
- | |
| - | 187 | inc [UDP_PACKETS_RX] ; Fixme: correct interface? |
|
| 188 | DEBUGF 1,"Found valid UDP packet for socket %x\n", eax |
188 | |
| 189 | movzx ecx, [esi + UDP_header.Length] |
189 | movzx ecx, [esi + UDP_header.Length] |
| 190 | sub ecx, sizeof.UDP_header |
190 | sub ecx, sizeof.UDP_header |
| Line 191... | Line 191... | ||
| 191 | add esi, sizeof.UDP_header |
191 | add esi, sizeof.UDP_header |
| Line 196... | Line 196... | ||
| 196 | pusha |
196 | pusha |
| 197 | lea ecx, [eax + SOCKET.mutex] |
197 | lea ecx, [eax + SOCKET.mutex] |
| 198 | call mutex_lock |
198 | call mutex_lock |
| 199 | popa |
199 | popa |
| Line 200... | Line 200... | ||
| 200 | 200 | ||
| 201 | DEBUGF 1,"Changing remote port to: %u\n", cx |
201 | DEBUGF 1,"UDP_input: new remote port=%u\n", cx |
| 202 | mov [eax + UDP_SOCKET.RemotePort], cx |
202 | mov [eax + UDP_SOCKET.RemotePort], cx |
| Line 203... | Line 203... | ||
| 203 | inc [eax + UDP_SOCKET.firstpacket] |
203 | inc [eax + UDP_SOCKET.firstpacket] |
| Line 204... | Line 204... | ||
| 204 | 204 | ||
| 205 | jmp .updatesock |
- | |
| 206 | 205 | jmp .updatesock |
|
| Line 207... | Line 206... | ||
| 207 | 206 | ||
| 208 | .checksum_mismatch: |
207 | |
| 209 | 208 | .checksum_mismatch: |
|
| 210 | DEBUGF 2,"UDP_Handler - checksum mismatch\n" |
209 | DEBUGF 2,"UDP_input: checksum mismatch\n" |
| Line 211... | Line 210... | ||
| 211 | 210 | ||
| Line 230... | Line 229... | ||
| 230 | ;----------------------------------------------------------------- |
229 | ;----------------------------------------------------------------- |
| Line 231... | Line 230... | ||
| 231 | 230 | ||
| 232 | align 4 |
231 | align 4 |
| Line 233... | Line 232... | ||
| 233 | UDP_output: |
232 | UDP_output: |
| Line 234... | Line 233... | ||
| 234 | 233 | ||
| 235 | DEBUGF 1,"UDP_output: socket:%x, bytes: %u, data ptr: %x\n", eax, ecx, esi |
234 | DEBUGF 1,"UDP_output: socket=%x bytes=%u data_ptr=%x\n", eax, ecx, esi |
| 236 | 235 | ||
| 237 | mov dx, [eax + UDP_SOCKET.RemotePort] |
236 | mov dx, [eax + UDP_SOCKET.RemotePort] |
| 238 | DEBUGF 1,"UDP_output: remote port: %u, ", dx |
237 | DEBUGF 1,"UDP_output: remote port=%u, ", dx |
| 239 | rol dx, 8 |
238 | rol dx, 8 |
| 240 | rol edx, 16 |
239 | rol edx, 16 |
| Line 241... | Line 240... | ||
| 241 | mov dx, [eax + UDP_SOCKET.LocalPort] |
240 | mov dx, [eax + UDP_SOCKET.LocalPort] |
| 242 | DEBUGF 1,"local port: %u\n", dx |
241 | DEBUGF 1,"local port=%u\n", dx |
| 243 | rol dx, 8 |
242 | rol dx, 8 |
| Line 275... | Line 274... | ||
| 275 | mov [edi + UDP_header.Checksum], 0 |
274 | mov [edi + UDP_header.Checksum], 0 |
| 276 | UDP_checksum (edi-4), (edi-8) ; FIXME: IPv4 packet could have options.. |
275 | UDP_checksum (edi-4), (edi-8) ; FIXME: IPv4 packet could have options.. |
| Line 277... | Line 276... | ||
| 277 | 276 | ||
| Line 278... | Line 277... | ||
| 278 | inc [UDP_PACKETS_TX] ; FIXME: correct device? |
277 | inc [UDP_PACKETS_TX] ; FIXME: correct device? |
| 279 | - | ||
| 280 | DEBUGF 1,"UDP_output: sending to device %x\n", ebx |
278 | |
| 281 | 279 | DEBUGF 1,"UDP_output: sending with device %x\n", ebx |
|
| Line 282... | Line 280... | ||
| 282 | call [ebx + NET_DEVICE.transmit] |
280 | call [ebx + NET_DEVICE.transmit] |
| 283 | ret |
281 | ret |