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| Rev 8897 | Rev 8898 | ||
|---|---|---|---|
| Line 1014... | Line 1014... | ||
| 1014 | [eax+00]:2,[eax+01]:2,[eax+02]:2,[eax+03]:2,[eax+04]:2,[eax+05]:2,\ |
1014 | [eax+00]:2,[eax+01]:2,[eax+02]:2,[eax+03]:2,[eax+04]:2,[eax+05]:2,\ |
| 1015 | [eax+06]:2,[eax+07]:2,[eax+08]:2,[eax+09]:2,[eax+10]:2,[eax+11]:2,\ |
1015 | [eax+06]:2,[eax+07]:2,[eax+08]:2,[eax+09]:2,[eax+10]:2,[eax+11]:2,\ |
| 1016 | [eax+13]:2,[eax+12]:2 |
1016 | [eax+13]:2,[eax+12]:2 |
| Line 1017... | Line 1017... | ||
| 1017 | 1017 | ||
| 1018 | cmp [esi + NET_BUFF.length], 1514 |
1018 | cmp [esi + NET_BUFF.length], 1514 |
| 1019 | ja .fail |
1019 | ja .error |
| 1020 | cmp [esi + NET_BUFF.length], 60 |
1020 | cmp [esi + NET_BUFF.length], 60 |
| Line 1021... | Line 1021... | ||
| 1021 | jb .fail |
1021 | jb .error |
| 1022 | 1022 | ||
| 1023 | ; check descriptor |
1023 | ; check descriptor |
| 1024 | lea edi, [ebx + device.tx_ring] |
1024 | lea edi, [ebx + device.tx_ring] |
| 1025 | mov ecx, [ebx + device.cur_tx] |
1025 | mov ecx, [ebx + device.cur_tx] |
| Line 1026... | Line 1026... | ||
| 1026 | shl ecx, 4 |
1026 | shl ecx, 4 |
| 1027 | add edi, ecx |
1027 | add edi, ecx |
| 1028 | 1028 | ||
| 1029 | test [edi + descriptor.status], TXCTL_OWN |
1029 | test [edi + descriptor.status], TXCTL_OWN |
| 1030 | jnz .fail |
1030 | jnz .overrun |
| 1031 | ; descriptor is free, use it |
1031 | ; descriptor is free, use it |
| 1032 | mov [edi + descriptor.virtual], esi |
1032 | mov [edi + descriptor.virtual], esi |
| Line 1056... | Line 1056... | ||
| 1056 | inc [ebx + device.packets_tx] |
1056 | inc [ebx + device.packets_tx] |
| 1057 | mov eax, [esi + NET_BUFF.length] |
1057 | mov eax, [esi + NET_BUFF.length] |
| 1058 | add dword[ebx + device.bytes_tx], eax |
1058 | add dword[ebx + device.bytes_tx], eax |
| 1059 | adc dword[ebx + device.bytes_tx + 4], 0 |
1059 | adc dword[ebx + device.bytes_tx + 4], 0 |
| Line 1060... | Line -... | ||
| 1060 | - | ||
| 1061 | .finish: |
1060 | |
| 1062 | popf |
1061 | popf |
| 1063 | xor eax, eax |
1062 | xor eax, eax |
| Line 1064... | Line 1063... | ||
| 1064 | ret |
1063 | ret |
| 1065 | 1064 | ||
| - | 1065 | .error: |
|
| 1066 | .fail: |
1066 | DEBUGF 2, "TX packet error\n" |
| - | 1067 | inc [ebx + device.packets_tx_err] |
|
| - | 1068 | invoke NetFree, [bufferptr] |
|
| - | 1069 | ||
| - | 1070 | popf |
|
| - | 1071 | or eax, -1 |
|
| - | 1072 | ret |
|
| - | 1073 | ||
| - | 1074 | .overrun: |
|
| - | 1075 | DEBUGF 2, "TX overrun\n" |
|
| - | 1076 | inc [ebx + device.packets_tx_ovr] |
|
| 1067 | DEBUGF 2, "Send failed\n" |
1077 | invoke NetFree, [bufferptr] |
| 1068 | invoke NetFree, [bufferptr] |
1078 | |
| 1069 | popf |
1079 | popf |
| Line 1070... | Line 1080... | ||
| 1070 | or eax, -1 |
1080 | or eax, -1 |
| Line 1120... | Line 1130... | ||
| 1120 | jz .not_receive |
1130 | jz .not_receive |
| Line 1121... | Line 1131... | ||
| 1121 | 1131 | ||
| 1122 | push ebx |
1132 | push ebx |
| 1123 | .rx_loop: |
1133 | .rx_loop: |
| - | 1134 | pop ebx |
|
| 1124 | pop ebx |
1135 | push ebx |
| 1125 | mov eax, [ebx + device.cur_rx] |
1136 | mov eax, [ebx + device.cur_rx] |
| 1126 | shl eax, 4 |
1137 | shl eax, 4 |
| 1127 | lea edi, [ebx + device.rx_ring] |
1138 | lea edi, [ebx + device.rx_ring] |
| Line 1128... | Line 1139... | ||
| 1128 | add edi, eax ; edi now points to current rx ring entry |
1139 | add edi, eax ; edi now points to current rx ring entry |
| 1129 | 1140 | ||
| Line 1130... | Line 1141... | ||
| 1130 | mov ax, [edi + descriptor.status] |
1141 | mov ax, [edi + descriptor.status] |
| 1131 | DEBUGF 1,"RX packet status: %x\n", eax:4 |
1142 | DEBUGF 1,"RX packet status: %x\n", eax:4 |
| 1132 | - | ||
| - | 1143 | ||
| 1133 | test ax, RXSTAT_OWN ; If this bit is set, the controller OWN's the packet, if not, we do |
1144 | test ax, RXSTAT_OWN ; If this bit is set, the controller OWN's the packet, if not, we do |
| 1134 | jnz .not_receive |
1145 | jnz .rx_done |
| 1135 | - | ||
| 1136 | test ax, RXSTAT_ENP |
1146 | ; Both Start of packet and End of packet bits should be set, we dont support multi frame packets |
| 1137 | jz .not_receive |
1147 | test ax, RXSTAT_ENP |
| Line 1138... | Line 1148... | ||
| 1138 | 1148 | jz .rx_drop |
|
| 1139 | test ax, RXSTAT_STP |
1149 | test ax, RXSTAT_STP |
| 1140 | jz .not_receive |
1150 | jz .rx_drop |
| Line 1141... | Line 1151... | ||
| 1141 | 1151 | ||
| 1142 | movzx ecx, [edi + descriptor.msg_length] ; get packet length in ecx |
- | |
| 1143 | sub ecx, 4 ; We dont need the CRC |
- | |
| 1144 | DEBUGF 1,"Got %u bytes\n", ecx |
1152 | movzx ecx, [edi + descriptor.msg_length] ; get packet length in ecx |
| 1145 | 1153 | sub ecx, 4 ; We dont need the CRC |
|
| 1146 | ; Set pointers for ETH_input |
1154 | DEBUGF 1,"Got %u bytes\n", ecx |
| 1147 | push ebx |
1155 | |
| 1148 | 1156 | ; Set pointers for ETH_input |
|
| Line 1159... | Line 1167... | ||
| 1159 | inc [ebx + device.packets_rx] |
1167 | inc [ebx + device.packets_rx] |
| Line 1160... | Line 1168... | ||
| 1160 | 1168 | ||
| 1161 | ; now allocate a new buffer |
1169 | ; now allocate a new buffer |
| 1162 | invoke NetAlloc, PKT_BUF_SZ+NET_BUFF.data ; Allocate a buffer for the next packet |
1170 | invoke NetAlloc, PKT_BUF_SZ+NET_BUFF.data ; Allocate a buffer for the next packet |
| 1163 | test eax, eax |
1171 | test eax, eax |
| 1164 | jz .out_of_mem |
1172 | jz .rx_overrun |
| 1165 | mov [edi + descriptor.virtual], eax ; set virtual address |
1173 | mov [edi + descriptor.virtual], eax ; set virtual address |
| 1166 | invoke GetPhysAddr |
1174 | invoke GetPhysAddr |
| 1167 | add eax, NET_BUFF.data |
1175 | add eax, NET_BUFF.data |
| 1168 | mov [edi + descriptor.base], eax ; and physical address |
1176 | mov [edi + descriptor.base], eax ; and physical address |
| Line 1171... | Line 1179... | ||
| 1171 | inc [ebx + device.cur_rx] ; set next receive descriptor |
1179 | inc [ebx + device.cur_rx] ; set next receive descriptor |
| 1172 | and [ebx + device.cur_rx], RX_RING_SIZE - 1 |
1180 | and [ebx + device.cur_rx], RX_RING_SIZE - 1 |
| Line 1173... | Line 1181... | ||
| 1173 | 1181 | ||
| Line 1174... | Line 1182... | ||
| 1174 | jmp [EthInput] |
1182 | jmp [EthInput] |
| - | 1183 | ||
| 1175 | 1184 | .rx_overrun: |
|
| - | 1185 | add esp, 4+4 |
|
| - | 1186 | DEBUGF 2,"RX FIFO overrun\n" |
|
| - | 1187 | inc [ebx + device.packets_rx_ovr] |
|
| - | 1188 | jmp .rx_next |
|
| - | 1189 | ||
| - | 1190 | .rx_drop: |
|
| - | 1191 | DEBUGF 2,"Dropping incoming packet\n" |
|
| - | 1192 | inc [ebx + device.packets_rx_drop] |
|
| - | 1193 | ||
| Line 1176... | Line 1194... | ||
| 1176 | .out_of_mem: |
1194 | .rx_next: |
| 1177 | DEBUGF 2,"Out of memory!\n" |
1195 | mov [edi + descriptor.status], RXSTAT_OWN ; give it back to PCnet controller |
| - | 1196 | ||
| Line -... | Line 1197... | ||
| - | 1197 | inc [ebx + device.cur_rx] ; set next receive descriptor |
|
| 1178 | 1198 | and [ebx + device.cur_rx], RX_RING_SIZE - 1 |
|
| Line 1179... | Line 1199... | ||
| 1179 | inc [ebx + device.cur_rx] ; set next receive descriptor |
1199 | jmp .rx_loop |
| 1180 | and [ebx + device.cur_rx], RX_RING_SIZE - 1 |
1200 | |
| Line 1181... | Line 1201... | ||
| 1181 | 1201 | .rx_done: |
|