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| 8 | ;; ;; |
8 | ;; ;; |
| 9 | ;; Status: under construction ;; |
9 | ;; Status: under construction ;; |
| 10 | ;; ;; |
10 | ;; ;; |
| 11 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
11 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| Line 12... | Line 12... | ||
| 12 | 12 | ||
| Line 13... | Line 13... | ||
| 13 | ; $Revision: 1251 $ |
13 | ; $Revision: 1254 $ |
| Line 14... | Line 14... | ||
| 14 | 14 | ||
| Line 1136... | Line 1136... | ||
| 1136 | 1136 | ||
| 1137 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
1137 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| 1138 | ;; ;; |
1138 | ;; ;; |
| 1139 | ;; Transmit ;; |
1139 | ;; Transmit ;; |
| 1140 | ;; ;; |
1140 | ;; ;; |
| 1141 | ;; In: buffer pointer in [esp] ;; |
1141 | ;; In: buffer pointer in [esp+4] ;; |
| 1142 | ;; size of buffer in [esp+4] ;; |
1142 | ;; size of buffer in [esp+8] ;; |
| 1143 | ;; pointer to device structure in ebx ;; |
1143 | ;; pointer to device structure in ebx ;; |
| 1144 | ;; ;; |
1144 | ;; ;; |
| Line 1145... | Line 1145... | ||
| 1145 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
1145 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| 1146 | 1146 | ||
| 1147 | align 4 |
1147 | align 4 |
| 1148 | transmit: |
1148 | transmit: |
| 1149 | DEBUGF 1,"Transmitting packet, buffer:%x, size:%u\n",[esp],[esp+4] |
1149 | DEBUGF 1,"Transmitting packet, buffer:%x, size:%u\n",[esp],[esp+4] |
| 1150 | mov eax, [esp] |
1150 | mov eax, [esp+4] |
| 1151 | DEBUGF 1,"To: %x-%x-%x-%x-%x-%x From: %x-%x-%x-%x-%x-%x Type:%x%x\n",\ |
1151 | DEBUGF 1,"To: %x-%x-%x-%x-%x-%x From: %x-%x-%x-%x-%x-%x Type:%x%x\n",\ |
| 1152 | [eax+00]:2,[eax+01]:2,[eax+02]:2,[eax+03]:2,[eax+04]:2,[eax+05]:2,\ |
1152 | [eax+00]:2,[eax+01]:2,[eax+02]:2,[eax+03]:2,[eax+04]:2,[eax+05]:2,\ |
| Line 1153... | Line 1153... | ||
| 1153 | [eax+06]:2,[eax+07]:2,[eax+08]:2,[eax+09]:2,[eax+10]:2,[eax+11]:2,\ |
1153 | [eax+06]:2,[eax+07]:2,[eax+08]:2,[eax+09]:2,[eax+10]:2,[eax+11]:2,\ |
| 1154 | [eax+13]:2,[eax+12]:2 |
1154 | [eax+13]:2,[eax+12]:2 |
| 1155 | 1155 | ||
| 1156 | cmp dword [esp+4], 1514 |
1156 | cmp dword [esp+8], 1514 |
| Line 1157... | Line 1157... | ||
| 1157 | jg .finish ; packet is too long |
1157 | jg .finish ; packet is too long |
| 1158 | cmp dword [esp+4], 60 |
1158 | cmp dword [esp+8], 60 |
| 1159 | jl .finish ; packet is too short |
1159 | jl .finish ; packet is too short |
| Line 1165... | Line 1165... | ||
| 1165 | add edi, [ebx + device.tx_buffer] |
1165 | add edi, [ebx + device.tx_buffer] |
| 1166 | add eax, [ebx + device.tx_ring] |
1166 | add eax, [ebx + device.tx_ring] |
| 1167 | test byte [eax + buf_head.status + 1], 80h |
1167 | test byte [eax + buf_head.status + 1], 80h |
| 1168 | jnz .nospace |
1168 | jnz .nospace |
| 1169 | ; descriptor is free, copy data |
1169 | ; descriptor is free, copy data |
| 1170 | mov esi, [esp] |
1170 | mov esi, [esp+4] |
| 1171 | mov ecx, [esp+4] |
1171 | mov ecx, [esp+8] |
| 1172 | mov edx, ecx |
1172 | mov edx, ecx |
| 1173 | shr ecx, 2 |
1173 | shr ecx, 2 |
| 1174 | and edx, 3 |
1174 | and edx, 3 |
| 1175 | rep movsd |
1175 | rep movsd |
| 1176 | mov ecx, edx |
1176 | mov ecx, edx |
| 1177 | rep movsb |
1177 | rep movsb |
| 1178 | ; set length |
1178 | ; set length |
| 1179 | mov ecx, [esp+4] |
1179 | mov ecx, [esp+8] |
| 1180 | neg ecx |
1180 | neg ecx |
| 1181 | mov [eax + buf_head.length], cx |
1181 | mov [eax + buf_head.length], cx |
| 1182 | ; put to transfer queue |
1182 | ; put to transfer queue |
| 1183 | mov [eax + buf_head.status], 0x8300 |
1183 | mov [eax + buf_head.status], 0x8300 |
| Line 1193... | Line 1193... | ||
| 1193 | and [ebx + device.cur_tx], 3 |
1193 | and [ebx + device.cur_tx], 3 |
| 1194 | DEBUGF 2," - Packet Sent! " |
1194 | DEBUGF 2," - Packet Sent! " |
| Line 1195... | Line 1195... | ||
| 1195 | 1195 | ||
| 1196 | .finish: |
1196 | .finish: |
| 1197 | DEBUGF 2," - Done!\n" |
- | |
| 1198 | ;;; call KernelFree |
- | |
| 1199 | add esp, 4+4 ; pop (balance stack) |
- | |
| 1200 | 1197 | DEBUGF 2," - Done!\n" |
|
| Line 1201... | Line 1198... | ||
| 1201 | ret |
1198 | ret |
| 1202 | 1199 | ||
| 1203 | .nospace: |
1200 | .nospace: |
| 1204 | DEBUGF 1, 'ERROR: no free transmit descriptors\n' |
- | |
| 1205 | ; todo: maybe somehow notify the kernel about the error? |
1201 | DEBUGF 1, 'ERROR: no free transmit descriptors\n' |
| Line 1206... | Line 1202... | ||
| 1206 | add esp, 4+4 |
1202 | ; todo: maybe somehow notify the kernel about the error? |