Rev 1165 | Go to most recent revision | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 1165 | Rev 1171 | ||
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| Line 123... | Line 123... | ||
| 123 | rep stosd |
123 | rep stosd |
| Line 124... | Line 124... | ||
| 124 | 124 | ||
| Line -... | Line 125... | ||
| - | 125 | ret |
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| - | 126 | ||
| - | 127 | ||
| - | 128 | ||
| - | 129 | ||
| - | 130 | ||
| - | 131 | ||
| - | 132 | ||
| 125 | ret |
133 | |
| 126 | 134 | ||
| 127 | 135 | ||
| 128 | ;-------------------------------- |
136 | ;-------------------------------- |
| 129 | ; |
137 | ; |
| Line 149... | Line 157... | ||
| 149 | jne .check_sockets |
157 | jne .check_sockets |
| Line 150... | Line 158... | ||
| 150 | 158 | ||
| 151 | mov byte [edx + ICMP_Packet.Type], ICMP_ECHOREPLY ; Change Packet type to reply |
159 | mov byte [edx + ICMP_Packet.Type], ICMP_ECHOREPLY ; Change Packet type to reply |
| Line -... | Line 160... | ||
| - | 160 | mov word [edx + ICMP_Packet.Checksum], 0 ; Set checksum to 0, needed to calculate new checksum |
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| - | 161 | ||
| - | 162 | call ETH_struc2dev |
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| - | 163 | cmp edi,-1 |
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| - | 164 | je .dump |
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| 152 | mov word [edx + ICMP_Packet.Checksum], 0 ; Set checksum to 0, needed to calculate new checksum |
165 | inc [ICMP_PACKETS_RX+4*edi] |
| 153 | 166 | ||
| 154 | ; exchange dest and source address in IP header |
167 | ; exchange dest and source address in IP header |
| Line 155... | Line 168... | ||
| 155 | ; exchange dest and source MAC in ETH header |
168 | ; exchange dest and source MAC in ETH header |
| Line 195... | Line 208... | ||
| 195 | stdcall checksum_jb,edx,eax ; Calculate the checksum of icmp data |
208 | stdcall checksum_jb,edx,eax ; Calculate the checksum of icmp data |
| 196 | pop edx ebx |
209 | pop edx ebx |
| 197 | xchg al, ah ; Convert to intel byte order |
210 | xchg al, ah ; Convert to intel byte order |
| 198 | mov word [edx + ICMP_Packet.Checksum], ax |
211 | mov word [edx + ICMP_Packet.Checksum], ax |
| Line 199... | Line 212... | ||
| 199 | 212 | ||
| - | 213 | jmp ETH_Sender ; Send the reply |
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| - | 214 | ||
| - | 215 | ||
| - | 216 | ||
| Line 200... | Line 217... | ||
| 200 | jmp ETH_Sender |
217 | |
| 201 | 218 | ||
| Line 202... | Line 219... | ||
| 202 | .check_sockets: |
219 | .check_sockets: |
| Line 220... | Line 237... | ||
| 220 | jnz .dump ; only one packet at a time may be in the buffer! |
237 | jnz .dump ; only one packet at a time may be in the buffer! |
| Line 221... | Line 238... | ||
| 221 | 238 | ||
| 222 | cmp ecx, SOCKETBUFFSIZE - SOCKETHEADERSIZE; TODO: fix this problem ! |
239 | cmp ecx, SOCKETBUFFSIZE - SOCKETHEADERSIZE; TODO: fix this problem ! |
| Line -... | Line 240... | ||
| - | 240 | jg .dump |
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| - | 241 | ||
| - | 242 | call IPv4_dest_to_dev |
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| - | 243 | cmp edi,-1 |
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| - | 244 | je .dump |
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| 223 | jg .dump |
245 | inc [ICMP_PACKETS_RX+4*edi] |
| Line 224... | Line 246... | ||
| 224 | 246 | ||
| 225 | DEBUGF 1,"Found valid ICMP packet for socket %x\n", esi |
247 | DEBUGF 1,"Found valid ICMP packet for socket %x\n", esi |