Rev 914 | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
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431 | serge | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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2971 | Serge | 3 | ;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;; |
431 | serge | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;; STACK.INC ;; |
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7 | ;; ;; |
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8 | ;; TCP/IP stack for Menuet OS ;; |
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9 | ;; ;; |
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10 | ;; Copyright 2002 Mike Hibbett, mikeh@oceanfree.net ;; |
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11 | ;; ;; |
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12 | ;; See file COPYING for details ;; |
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13 | ;; ;; |
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14 | ;; Version 0.7 ;; |
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15 | ;; Added a timer per socket to allow delays when rx window ;; |
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16 | ;; gets below 1KB ;; |
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17 | ;; ;; |
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18 | ;;10.01.2007 Bugfix for checksum function from Paolo Franchetti ;; |
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19 | ;; ;; |
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20 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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1 | ha | 21 | |
593 | mikedld | 22 | $Revision: 2971 $ |
1 | ha | 23 | |
261 | hidnplayr | 24 | |
1 | ha | 25 | ;******************************************************************* |
26 | ; Interface |
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27 | ; The interfaces defined in ETHERNET.INC plus: |
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28 | ; stack_init |
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29 | ; stack_handler |
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30 | ; app_stack_handler |
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31 | ; app_socket_handler |
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32 | ; checksum |
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33 | ; |
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34 | ;******************************************************************* |
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35 | |||
261 | hidnplayr | 36 | uglobal |
37 | StackCounters: |
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914 | serge | 38 | dumped_rx_count dd 0 |
261 | hidnplayr | 39 | arp_tx_count: dd 0 |
40 | arp_rx_count: dd 0 |
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302 | hidnplayr | 41 | ip_rx_count: dd 0 |
42 | ip_tx_count: dd 0 |
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261 | hidnplayr | 43 | endg |
1 | ha | 44 | |
261 | hidnplayr | 45 | ; socket buffers |
302 | hidnplayr | 46 | SOCKETBUFFSIZE equ 4096 ; state + config + buffer. |
2971 | Serge | 47 | SOCKETHEADERSIZE equ SOCKET.rxData ; thus 4096 - SOCKETHEADERSIZE bytes data |
1 | ha | 48 | |
914 | serge | 49 | ;NUM_SOCKETS equ 16 ; Number of open sockets supported. Was 20 |
1 | ha | 50 | |
261 | hidnplayr | 51 | ; IPBUFF status values |
302 | hidnplayr | 52 | BUFF_EMPTY equ 0 |
53 | BUFF_RX_FULL equ 1 |
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54 | BUFF_ALLOCATED equ 2 |
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55 | BUFF_TX_FULL equ 3 |
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1 | ha | 56 | |
302 | hidnplayr | 57 | NUM_IPBUFFERS equ 20 ; buffers allocated for TX/RX |
1 | ha | 58 | |
302 | hidnplayr | 59 | NUMQUEUES equ 4 |
60 | EMPTY_QUEUE equ 0 |
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61 | IPIN_QUEUE equ 1 |
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62 | IPOUT_QUEUE equ 2 |
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63 | NET1OUT_QUEUE equ 3 |
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1 | ha | 64 | |
302 | hidnplayr | 65 | NO_BUFFER equ 0xFFFF |
66 | IPBUFFSIZE equ 1500 ; MTU of an ethernet packet |
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67 | NUMQUEUEENTRIES equ NUM_IPBUFFERS |
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68 | NUMRESENDENTRIES equ 18 ; Buffers for TCP resend packets |
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1 | ha | 69 | |
70 | ; These are the 0x40 function codes for application access to the stack |
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71 | STACK_DRIVER_STATUS equ 52 |
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72 | SOCKET_INTERFACE equ 53 |
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73 | |||
74 | |||
75 | ; 128KB allocated for the stack and network driver buffers and other |
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76 | ; data requirements |
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412 | serge | 77 | ;stack_data_start equ 0x700000 |
78 | ;eth_data_start equ 0x700000 |
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79 | ;stack_data equ 0x704000 |
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80 | ;stack_data_end equ 0x71ffff |
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1 | ha | 81 | |
82 | ; 32 bit word |
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302 | hidnplayr | 83 | stack_config equ stack_data |
261 | hidnplayr | 84 | |
1 | ha | 85 | ; 32 bit word - IP Address in network format |
302 | hidnplayr | 86 | stack_ip equ stack_data + 4 |
261 | hidnplayr | 87 | |
1 | ha | 88 | ; 1 byte. 0 == inactive, 1 = active |
89 | ethernet_active equ stack_data + 9 |
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261 | hidnplayr | 90 | |
91 | |||
92 | ; TODO :: empty memory area |
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93 | |||
1 | ha | 94 | ; Address of selected socket |
914 | serge | 95 | ;sktAddr equ stack_data + 32 |
1 | ha | 96 | ; Parameter to checksum routine - data ptr |
302 | hidnplayr | 97 | checkAdd1 equ stack_data + 36 |
1 | ha | 98 | ; Parameter to checksum routine - 2nd data ptr |
302 | hidnplayr | 99 | checkAdd2 equ stack_data + 40 |
1 | ha | 100 | ; Parameter to checksum routine - data size |
302 | hidnplayr | 101 | checkSize1 equ stack_data + 44 |
1 | ha | 102 | ; Parameter to checksum routine - 2nd data size |
302 | hidnplayr | 103 | checkSize2 equ stack_data + 46 |
1 | ha | 104 | ; result of checksum routine |
302 | hidnplayr | 105 | checkResult equ stack_data + 48 |
1 | ha | 106 | |
107 | ; holds the TCP/UDP pseudo header. SA|DA|0|prot|UDP len| |
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302 | hidnplayr | 108 | pseudoHeader equ stack_data + 50 |
1 | ha | 109 | |
110 | ; receive and transmit IP buffer allocation |
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914 | serge | 111 | ;sockets equ stack_data + 62 |
112 | Next_free2 equ stack_data + 62;Next_free2 equ sockets + (SOCKETBUFFSIZE * NUM_SOCKETS) |
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1 | ha | 113 | ; 1560 byte buffer for rx / tx ethernet packets |
302 | hidnplayr | 114 | Ether_buffer equ Next_free2 |
115 | Next_free3 equ Ether_buffer + 1518 |
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261 | hidnplayr | 116 | last_1sTick equ Next_free3 |
302 | hidnplayr | 117 | IPbuffs equ Next_free3 + 1 |
118 | queues equ IPbuffs + ( NUM_IPBUFFERS * IPBUFFSIZE ) |
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119 | queueList equ queues + (2 * NUMQUEUES) |
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120 | last_1hsTick equ queueList + ( 2 * NUMQUEUEENTRIES ) |
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1 | ha | 121 | |
122 | ;resendQ equ queueList + ( 2 * NUMQUEUEENTRIES ) |
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123 | ;resendBuffer equ resendQ + ( 4 * NUMRESENDENTRIES ) ; for TCP |
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124 | ; equ resendBuffer + ( IPBUFFSIZE * NUMRESENDENTRIES ) |
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125 | |||
126 | |||
127 | |||
412 | serge | 128 | ;resendQ equ 0x770000 |
914 | serge | 129 | ;resendBuffer equ resendQ + ( 4 * NUMRESENDENTRIES ) ; for TCP ; XTODO: validate size |
130 | resendBuffer equ resendQ + ( 8 * NUMRESENDENTRIES ) ; for TCP |
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1 | ha | 131 | |
132 | |||
914 | serge | 133 | uglobal |
134 | net_sockets rd 2 |
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135 | endg |
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136 | |||
261 | hidnplayr | 137 | ; simple macro for memory set operation |
138 | macro _memset_dw adr,value,amount |
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139 | { |
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302 | hidnplayr | 140 | mov edi, adr |
141 | mov ecx, amount |
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261 | hidnplayr | 142 | if value = 0 |
143 | xor eax, eax |
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144 | else |
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145 | mov eax, value |
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146 | end if |
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147 | cld |
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302 | hidnplayr | 148 | rep stosd |
261 | hidnplayr | 149 | } |
150 | |||
151 | |||
152 | ; Below, the main network layer source code is included |
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153 | ; |
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154 | include "queue.inc" |
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155 | include "eth_drv/ethernet.inc" |
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156 | include "ip.inc" |
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157 | include "socket.inc" |
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158 | |||
1 | ha | 159 | ;*************************************************************************** |
160 | ; Function |
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161 | ; stack_init |
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162 | ; |
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163 | ; Description |
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164 | ; Clear all allocated memory to zero. This ensures that |
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165 | ; on startup, the stack is inactive, and consumes no resources |
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166 | ; This is a kernel function, called prior to the OS main loop |
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167 | ; in set_variables |
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168 | ; |
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169 | ;*************************************************************************** |
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261 | hidnplayr | 170 | |
1 | ha | 171 | stack_init: |
261 | hidnplayr | 172 | ; Init two address spaces with default values |
173 | _memset_dw stack_data_start, 0, 0x20000/4 |
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914 | serge | 174 | _memset_dw resendQ, 0, NUMRESENDENTRIES * 2 |
1 | ha | 175 | |
914 | serge | 176 | mov [net_sockets], 0 |
177 | mov [net_sockets + 4], 0 |
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178 | |||
261 | hidnplayr | 179 | ; Queries initialization |
180 | call queueInit |
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1 | ha | 181 | |
261 | hidnplayr | 182 | ; The following block sets up the 1s timer |
183 | mov al, 0x0 |
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184 | out 0x70, al |
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185 | in al, 0x71 |
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186 | mov [last_1sTick], al |
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187 | ret |
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1 | ha | 188 | |
189 | |||
190 | |||
191 | ;*************************************************************************** |
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192 | ; Function |
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193 | ; stack_handler |
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194 | ; |
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195 | ; Description |
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196 | ; The kernel loop routine for the stack |
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197 | ; This is a kernel function, called in the main loop |
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198 | ; |
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199 | ;*************************************************************************** |
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200 | stack_handler: |
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201 | |||
202 | call ethernet_driver |
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203 | call ip_rx |
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204 | |||
205 | |||
206 | ; Test for 10ms tick, call tcp timer |
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207 | mov eax, [timer_ticks] ;[0xfdf0] |
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208 | cmp eax, [last_1hsTick] |
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302 | hidnplayr | 209 | je sh_001 |
1 | ha | 210 | |
211 | mov [last_1hsTick], eax |
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212 | call tcp_tx_handler |
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213 | |||
214 | sh_001: |
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215 | |||
216 | ; Test for 1 second event, call 1s timer functions |
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261 | hidnplayr | 217 | mov al, 0x0 ;second |
218 | out 0x70, al |
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302 | hidnplayr | 219 | in al, 0x71 |
1 | ha | 220 | cmp al, [last_1sTick] |
302 | hidnplayr | 221 | je sh_exit |
1 | ha | 222 | |
223 | mov [last_1sTick], al |
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224 | |||
379 | serge | 225 | stdcall arp_table_manager, ARP_TABLE_TIMER, 0, 0 |
1 | ha | 226 | call tcp_tcb_handler |
227 | |||
228 | sh_exit: |
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229 | ret |
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230 | |||
261 | hidnplayr | 231 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
232 | ;; Checksum [by Johnny_B] |
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233 | ;; IN: |
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234 | ;; buf_ptr=POINTER to buffer |
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235 | ;; buf_size=SIZE of buffer |
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236 | ;; OUT: |
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237 | ;; AX=16-bit checksum |
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238 | ;; Saves all used registers |
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239 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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240 | proc checksum_jb stdcall uses ebx esi ecx,\ |
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241 | buf_ptr:DWORD, buf_size:DWORD |
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1 | ha | 242 | |
261 | hidnplayr | 243 | xor eax, eax |
244 | xor ebx, ebx ;accumulator |
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245 | mov esi, dword[buf_ptr] |
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246 | mov ecx, dword[buf_size] |
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247 | shr ecx, 1 ; ecx=ecx/2 |
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302 | hidnplayr | 248 | jnc @f ; if CF==0 then size is even number |
261 | hidnplayr | 249 | mov bh, byte[esi + ecx*2] |
250 | @@: |
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251 | cld |
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1 | ha | 252 | |
261 | hidnplayr | 253 | .loop: |
254 | lodsw ;eax=word[esi],esi=esi+2 |
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255 | xchg ah,al ;cause must be a net byte-order |
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256 | add ebx, eax |
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257 | loop .loop |
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1 | ha | 258 | |
261 | hidnplayr | 259 | mov eax, ebx |
260 | shr eax, 16 |
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261 | add ax, bx |
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262 | not ax |
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1 | ha | 263 | |
264 | ret |
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261 | hidnplayr | 265 | endp |
1 | ha | 266 | |
267 | ;*************************************************************************** |
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268 | ; Function |
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269 | ; checksum |
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270 | ; |
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271 | ; Description |
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272 | ; checkAdd1,checkAdd2, checkSize1, checkSize2, checkResult |
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273 | ; Dont break anything; Most registers are used by the caller |
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274 | ; This code is derived from the 'C' source, cksum.c, in the book |
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275 | ; Internetworking with TCP/IP Volume II by D.E. Comer |
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276 | ; |
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277 | ;*************************************************************************** |
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261 | hidnplayr | 278 | |
279 | |||
1 | ha | 280 | checksum: |
281 | pusha |
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323 | hidnplayr | 282 | mov eax, [checkAdd1] |
302 | hidnplayr | 283 | xor edx, edx ; edx is the accumulative checksum |
1 | ha | 284 | xor ebx, ebx |
285 | mov cx, [checkSize1] |
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286 | shr cx, 1 |
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302 | hidnplayr | 287 | jz cs1_1 |
1 | ha | 288 | |
289 | cs1: |
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290 | mov bh, [eax] |
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291 | mov bl, [eax + 1] |
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292 | |||
293 | add eax, 2 |
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294 | add edx, ebx |
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295 | |||
296 | loopw cs1 |
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297 | |||
298 | cs1_1: |
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299 | and word [checkSize1], 0x01 |
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302 | hidnplayr | 300 | jz cs_test2 |
1 | ha | 301 | |
302 | mov bh, [eax] |
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303 | xor bl, bl |
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304 | |||
305 | add edx, ebx |
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306 | |||
307 | cs_test2: |
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308 | mov cx, [checkSize2] |
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309 | cmp cx, 0 |
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302 | hidnplayr | 310 | jz cs_exit ; Finished if no 2nd buffer |
1 | ha | 311 | |
323 | hidnplayr | 312 | mov eax, [checkAdd2] |
313 | |||
1 | ha | 314 | shr cx, 1 |
302 | hidnplayr | 315 | jz cs2_1 |
1 | ha | 316 | |
317 | cs2: |
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318 | mov bh, [eax] |
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319 | mov bl, [eax + 1] |
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320 | |||
321 | add eax, 2 |
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322 | add edx, ebx |
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323 | |||
324 | loopw cs2 |
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325 | |||
326 | cs2_1: |
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327 | and word [checkSize2], 0x01 |
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302 | hidnplayr | 328 | jz cs_exit |
1 | ha | 329 | |
330 | mov bh, [eax] |
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331 | xor bl, bl |
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332 | |||
333 | add edx, ebx |
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334 | |||
335 | cs_exit: |
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336 | mov ebx, edx |
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337 | |||
338 | shr ebx, 16 |
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339 | and edx, 0xffff |
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340 | add edx, ebx |
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341 | mov eax, edx |
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342 | shr eax, 16 |
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343 | add edx, eax |
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344 | not dx |
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345 | |||
346 | mov [checkResult], dx |
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347 | popa |
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348 | ret |
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349 | |||
350 | |||
351 | |||
352 | |||
353 | ;*************************************************************************** |
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354 | ; Function |
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355 | ; app_stack_handler |
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356 | ; |
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357 | ; Description |
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261 | hidnplayr | 358 | ; This is an application service, called by int 0x40, function 52 |
1 | ha | 359 | ; It provides application access to the network interface layer |
360 | ; |
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361 | ;*************************************************************************** |
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362 | app_stack_handler: |
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363 | cmp eax, 0 |
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364 | jnz not0 |
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261 | hidnplayr | 365 | ; Read the configuration word |
1 | ha | 366 | mov eax, [stack_config] |
367 | ret |
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368 | |||
369 | not0: |
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370 | cmp eax, 1 |
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371 | jnz not1 |
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372 | ; read the IP address |
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373 | |||
374 | mov eax, [stack_ip] |
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375 | ret |
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376 | |||
377 | not1: |
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378 | cmp eax, 2 |
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379 | jnz not2 |
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380 | |||
381 | ; write the configuration word |
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382 | mov [stack_config], ebx |
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383 | |||
384 | ; |
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385 | ; If ethernet now enabled, probe for the card, reset it and empty |
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386 | ; the packet buffer |
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387 | ; If all successfull, enable the card. |
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388 | ; If ethernet now disabled, set it as disabled. Should really |
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389 | ; empty the tcpip data area too. |
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390 | |||
391 | ; ethernet interface is '3' in ls 7 bits |
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392 | and bl, 0x7f |
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393 | cmp bl, 3 |
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394 | |||
302 | hidnplayr | 395 | je ash_eth_enable |
1 | ha | 396 | ; Ethernet isn't enabled, so make sure that the card is disabled |
397 | mov [ethernet_active], byte 0 |
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398 | |||
399 | ret |
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400 | |||
401 | ash_eth_enable: |
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402 | ; Probe for the card. This will reset it and enable the interface |
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403 | ; if found |
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404 | call eth_probe |
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405 | cmp eax, 0 |
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302 | hidnplayr | 406 | je ash_eth_done ; Abort if no hardware found |
1 | ha | 407 | |
408 | mov [ethernet_active], byte 1 |
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409 | |||
410 | ash_eth_done: |
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411 | ret |
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412 | |||
413 | not2: |
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414 | cmp eax, 3 |
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415 | jnz not3 |
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416 | ; write the IP Address |
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417 | mov [stack_ip], ebx |
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418 | ret |
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419 | |||
261 | hidnplayr | 420 | ;old functions was deleted |
421 | |||
1 | ha | 422 | not3: |
423 | cmp eax, 6 |
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424 | jnz not6 |
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425 | |||
426 | ; Insert an IP packet into the stacks received packet queue |
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427 | call stack_insert_packet |
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428 | ret |
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429 | |||
430 | not6: |
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431 | cmp eax, 7 |
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432 | jnz not7 |
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433 | |||
434 | ; Test for any packets queued for transmission over the network |
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435 | |||
436 | not7: |
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437 | cmp eax, 8 |
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438 | jnz not8 |
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439 | |||
440 | call stack_get_packet |
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441 | ; Extract a packet queued for transmission by the network |
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442 | ret |
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443 | |||
444 | not8: |
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445 | cmp eax, 9 |
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446 | jnz not9 |
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447 | |||
448 | ; read the gateway IP address |
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449 | |||
450 | mov eax, [gateway_ip] |
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451 | ret |
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452 | |||
453 | not9: |
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454 | cmp eax, 10 |
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455 | jnz not10 |
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456 | |||
457 | ; read the subnet mask |
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458 | |||
459 | mov eax, [subnet_mask] |
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460 | ret |
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461 | |||
462 | not10: |
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463 | cmp eax, 11 |
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464 | jnz not11 |
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465 | |||
466 | ; write the gateway IP Address |
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467 | mov [gateway_ip], ebx |
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468 | |||
469 | ret |
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470 | |||
471 | not11: |
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472 | cmp eax, 12 |
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473 | jnz not12 |
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474 | |||
475 | ; write the subnet mask |
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476 | mov [subnet_mask], ebx |
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477 | |||
478 | |||
479 | not12: |
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480 | cmp eax, 13 |
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481 | jnz not13 |
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482 | |||
483 | ; read the dns |
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484 | |||
485 | mov eax, [dns_ip] |
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486 | ret |
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487 | |||
488 | not13: |
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489 | cmp eax, 14 |
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261 | hidnplayr | 490 | jnz not14 |
1 | ha | 491 | |
492 | ; write the dns IP Address |
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493 | mov [dns_ip], ebx |
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494 | |||
379 | serge | 495 | ret |
496 | |||
261 | hidnplayr | 497 | ; |
498 | not14: |
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499 | cmp eax, 15 |
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500 | jnz not15 |
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501 | |||
502 | ; in ebx we need 4 to read the last 2 bytes |
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503 | cmp ebx, dword 4 |
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504 | je read |
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379 | serge | 505 | |
261 | hidnplayr | 506 | ; or we need 0 to read the first 4 bytes |
507 | cmp ebx, dword 0 |
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508 | jnz param_error |
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509 | |||
510 | ; read MAC, returned (in mirrored byte order) in eax |
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511 | read: |
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512 | mov eax, [node_addr + ebx] |
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513 | jmp @f |
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379 | serge | 514 | |
515 | param_error: |
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261 | hidnplayr | 516 | mov eax, -1 ; params not accepted |
517 | @@: |
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518 | ret |
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519 | |||
379 | serge | 520 | |
261 | hidnplayr | 521 | ; 0 -> arp_probe |
522 | ; 1 -> arp_announce |
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523 | ; 2 -> arp_responce (not supported yet) |
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524 | |||
525 | not15: ; ARP stuff |
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526 | cmp eax, 16 |
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527 | jnz not16 |
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379 | serge | 528 | |
261 | hidnplayr | 529 | cmp ebx, 0 |
530 | je a_probe |
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379 | serge | 531 | |
261 | hidnplayr | 532 | cmp ebx, 1 |
533 | je a_ann ; arp announce |
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379 | serge | 534 | |
302 | hidnplayr | 535 | ; cmp ebx,2 |
536 | ; jne a_resp ; arp response |
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261 | hidnplayr | 537 | |
538 | jmp param15_error |
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379 | serge | 539 | |
540 | |||
261 | hidnplayr | 541 | ; arp probe, sender IP must be set to 0.0.0.0, target IP is set to address being probed |
542 | ; ecx: pointer to target MAC, MAC should set to 0 by application |
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543 | ; edx: target IP |
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544 | a_probe: |
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545 | push dword [stack_ip] |
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379 | serge | 546 | |
261 | hidnplayr | 547 | mov edx, [stack_ip] |
548 | mov [stack_ip], dword 0 |
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379 | serge | 549 | mov esi, ecx ; pointer to target MAC address |
261 | hidnplayr | 550 | call arp_request |
379 | serge | 551 | |
552 | pop dword [stack_ip] |
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302 | hidnplayr | 553 | jmp @f |
379 | serge | 554 | |
261 | hidnplayr | 555 | ; arp announce, sender IP must be set to target IP |
556 | ; ecx: pointer to target MAC |
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557 | a_ann: |
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558 | mov edx, [stack_ip] |
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559 | mov esi, ecx ; pointer to target MAC address |
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560 | call arp_request |
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561 | jmp @f |
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379 | serge | 562 | |
261 | hidnplayr | 563 | param15_error: |
564 | mov eax, -1 |
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379 | serge | 565 | |
261 | hidnplayr | 566 | @@: |
567 | ret |
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568 | ; |
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569 | ; modified by [smb] |
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570 | |||
571 | ; |
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572 | ; ARPTable manager interface |
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573 | not16: |
||
574 | cmp eax, 17 |
||
575 | jnz stack_driver_end |
||
576 | |||
577 | ;see "proc arp_table_manager" for more details |
||
578 | stdcall arp_table_manager,ebx,ecx,edx ;Opcode,Index,Extra |
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579 | |||
1 | ha | 580 | ret |
261 | hidnplayr | 581 | ; |
1 | ha | 582 | |
583 | stack_driver_end: |
||
261 | hidnplayr | 584 | ret |
1 | ha | 585 | |
586 | |||
587 | |||
588 | ;*************************************************************************** |
||
589 | ; Function |
||
590 | ; app_socket_handler |
||
591 | ; |
||
592 | ; Description |
||
261 | hidnplayr | 593 | ; This is an application service, called by int 0x40, function 53 |
1 | ha | 594 | ; It provides application access to stack socket services |
595 | ; such as opening sockets |
||
596 | ; |
||
597 | ;*************************************************************************** |
||
598 | app_socket_handler: |
||
599 | cmp eax, 0 |
||
600 | jnz nots0 |
||
601 | |||
602 | call socket_open |
||
603 | ret |
||
604 | |||
605 | nots0: |
||
606 | cmp eax, 1 |
||
607 | jnz nots1 |
||
608 | |||
609 | call socket_close |
||
610 | ret |
||
611 | |||
612 | nots1: |
||
613 | cmp eax, 2 |
||
614 | jnz nots2 |
||
615 | |||
616 | call socket_poll |
||
617 | ret |
||
618 | |||
619 | nots2: |
||
620 | cmp eax, 3 |
||
621 | jnz nots3 |
||
622 | |||
623 | call socket_read |
||
624 | ret |
||
625 | |||
626 | nots3: |
||
627 | cmp eax, 4 |
||
628 | jnz nots4 |
||
629 | |||
630 | call socket_write |
||
631 | ret |
||
632 | |||
633 | nots4: |
||
634 | cmp eax, 5 |
||
635 | jnz nots5 |
||
636 | |||
637 | call socket_open_tcp |
||
638 | ret |
||
639 | |||
640 | nots5: |
||
641 | cmp eax, 6 |
||
642 | jnz nots6 |
||
643 | |||
644 | call socket_status |
||
645 | ret |
||
646 | |||
647 | nots6: |
||
648 | cmp eax, 7 |
||
649 | jnz nots7 |
||
650 | |||
651 | call socket_write_tcp |
||
652 | ret |
||
653 | |||
654 | nots7: |
||
655 | cmp eax, 8 |
||
656 | jnz nots8 |
||
657 | |||
658 | call socket_close_tcp |
||
659 | ret |
||
660 | |||
661 | nots8: |
||
662 | cmp eax, 9 |
||
663 | jnz nots9 |
||
664 | |||
665 | call is_localport_unused |
||
666 | ret |
||
667 | |||
668 | nots9: |
||
302 | hidnplayr | 669 | cmp eax, 10 |
670 | jnz nots10 |
||
671 | |||
672 | mov eax,dword[drvr_cable] |
||
673 | test eax,eax |
||
674 | jnz @f ; if function is not implented, return -1 |
||
675 | mov al,-1 |
||
676 | ret |
||
677 | |||
678 | @@: |
||
679 | call dword[drvr_cable] |
||
680 | ret |
||
681 | |||
682 | |||
683 | nots10: |
||
323 | hidnplayr | 684 | cmp eax, 11 |
685 | jnz nots11 |
||
686 | |||
687 | call socket_read_packet |
||
688 | ret |
||
689 | |||
690 | nots11: |
||
1 | ha | 691 | cmp eax, 254 |
692 | jnz notdump |
||
693 | |||
694 | ret |
||
695 | |||
696 | notdump: |
||
697 | cmp eax, 255 |
||
698 | jnz notsdebug |
||
699 | |||
700 | ; This sub function allows access to debugging information on the stack |
||
701 | ; ebx holds the request: |
||
702 | ; 100 : return length of empty queue |
||
703 | ; 101 : return length of IPOUT QUEUE |
||
704 | ; 102 : return length of IPIN QUEUE |
||
705 | ; 103 : return length of NET1OUT QUEUE |
||
706 | ; 200 : return # of ARP entries |
||
707 | ; 201 : return size of ARP table ( max # entries ) |
||
708 | ; 202 : select ARP table entry # |
||
709 | ; 203 : return IP of selected table entry |
||
710 | ; 204 : return High 4 bytes of MAC address of selected table entry |
||
711 | ; 205 : return low 2 bytes of MAC address of selected table entry |
||
712 | ; 206 : return status word of selected table entry |
||
713 | ; 207 : return Time to live of selected table entry |
||
714 | |||
715 | |||
716 | ; 2 : return number of IP packets received |
||
717 | ; 3 : return number of packets transmitted |
||
718 | ; 4 : return number of received packets dumped |
||
719 | ; 5 : return number of arp packets received |
||
720 | ; 6 : return status of packet driver |
||
721 | ; ( 0 == not active, FFFFFFFF = successful ) |
||
722 | |||
723 | call stack_internal_status |
||
724 | ret |
||
725 | |||
726 | notsdebug: |
||
727 | ; Invalid Option |
||
728 | ret |
||
729 | |||
730 | |||
731 | uglobal |
||
732 | ARPTmp: |
||
733 | times 14 db 0 |
||
734 | endg |
||
735 | |||
736 | ;*************************************************************************** |
||
737 | ; Function |
||
738 | ; stack_internal_status |
||
739 | ; |
||
740 | ; Description |
||
741 | ; Returns information about the internal status of the stack |
||
742 | ; This is only useful for debugging |
||
743 | ; It works with the ethernet driver |
||
744 | ; sub function in ebx |
||
745 | ; return requested data in eax |
||
746 | ; |
||
747 | ;*************************************************************************** |
||
748 | stack_internal_status: |
||
749 | cmp ebx, 100 |
||
750 | jnz notsis100 |
||
751 | |||
752 | ; 100 : return length of EMPTY QUEUE |
||
753 | mov ebx, EMPTY_QUEUE |
||
754 | call queueSize |
||
755 | ret |
||
756 | |||
757 | notsis100: |
||
758 | cmp ebx, 101 |
||
759 | jnz notsis101 |
||
760 | |||
761 | ; 101 : return length of IPOUT QUEUE |
||
762 | mov ebx, IPOUT_QUEUE |
||
763 | call queueSize |
||
764 | ret |
||
765 | |||
766 | notsis101: |
||
767 | cmp ebx, 102 |
||
768 | jnz notsis102 |
||
769 | |||
770 | ; 102 : return length of IPIN QUEUE |
||
771 | mov ebx, IPIN_QUEUE |
||
772 | call queueSize |
||
773 | ret |
||
774 | |||
775 | notsis102: |
||
776 | cmp ebx, 103 |
||
777 | jnz notsis103 |
||
778 | |||
779 | ; 103 : return length of NET1OUT QUEUE |
||
780 | mov ebx, NET1OUT_QUEUE |
||
781 | call queueSize |
||
782 | ret |
||
783 | |||
784 | notsis103: |
||
785 | cmp ebx, 200 |
||
786 | jnz notsis200 |
||
787 | |||
788 | ; 200 : return num entries in arp table |
||
789 | movzx eax, byte [NumARP] |
||
790 | ret |
||
791 | |||
792 | notsis200: |
||
793 | cmp ebx, 201 |
||
794 | jnz notsis201 |
||
795 | |||
796 | ; 201 : return arp table size |
||
797 | mov eax, 20 ; ARP_TABLE_SIZE |
||
798 | ret |
||
799 | |||
800 | notsis201: |
||
801 | cmp ebx, 202 |
||
802 | jnz notsis202 |
||
803 | |||
804 | ; 202 - read the requested table entry |
||
805 | ; into a temporary buffer |
||
806 | ; ecx holds the entry number |
||
807 | |||
808 | mov eax, ecx |
||
809 | mov ecx, 14 ; ARP_ENTRY_SIZE |
||
810 | mul ecx |
||
811 | |||
812 | mov ecx, [eax + ARPTable] |
||
813 | mov [ARPTmp], ecx |
||
814 | mov ecx, [eax + ARPTable+4] |
||
815 | mov [ARPTmp+4], ecx |
||
816 | mov ecx, [eax + ARPTable+8] |
||
817 | mov [ARPTmp+8], ecx |
||
818 | mov cx, [eax + ARPTable+12] |
||
819 | mov [ARPTmp+12], cx |
||
820 | ret |
||
821 | |||
822 | notsis202: |
||
823 | cmp ebx, 203 |
||
824 | jnz notsis203 |
||
825 | |||
826 | ; 203 - return IP address |
||
827 | mov eax, [ARPTmp] |
||
828 | ret |
||
829 | |||
830 | notsis203: |
||
831 | cmp ebx, 204 |
||
832 | jnz notsis204 |
||
833 | |||
834 | ; 204 - return MAC high dword |
||
835 | mov eax, [ARPTmp+4] |
||
836 | ret |
||
837 | |||
838 | notsis204: |
||
839 | cmp ebx, 205 |
||
840 | jnz notsis205 |
||
841 | |||
842 | ; 205 - return MAC ls word |
||
843 | movzx eax, word [ARPTmp+8] |
||
844 | ret |
||
845 | |||
846 | notsis205: |
||
847 | cmp ebx, 206 |
||
848 | jnz notsis206 |
||
849 | |||
850 | ; 206 - return status word |
||
851 | movzx eax, word [ARPTmp+10] |
||
852 | ret |
||
853 | |||
854 | notsis206: |
||
855 | cmp ebx, 207 |
||
856 | jnz notsis207 |
||
857 | |||
858 | ; 207 - return ttl word |
||
859 | movzx eax, word [ARPTmp+12] |
||
860 | ret |
||
861 | |||
862 | notsis207: |
||
863 | cmp ebx, 2 |
||
864 | jnz notsis2 |
||
865 | |||
866 | ; 2 : return number of IP packets received |
||
867 | mov eax, [ip_rx_count] |
||
868 | ret |
||
869 | |||
870 | notsis2: |
||
871 | cmp ebx, 3 |
||
872 | jnz notsis3 |
||
873 | |||
874 | ; 3 : return number of packets transmitted |
||
875 | mov eax, [ip_tx_count] |
||
876 | ret |
||
877 | |||
878 | notsis3: |
||
879 | cmp ebx, 4 |
||
880 | jnz notsis4 |
||
881 | |||
882 | ; 4 : return number of received packets dumped |
||
883 | mov eax, [dumped_rx_count] |
||
884 | ret |
||
885 | |||
886 | notsis4: |
||
887 | cmp ebx, 5 |
||
888 | jnz notsis5 |
||
889 | |||
890 | ; 5 : return number of arp packets received |
||
891 | mov eax, [arp_rx_count] |
||
892 | ret |
||
893 | |||
894 | notsis5: |
||
895 | cmp ebx, 6 |
||
896 | jnz notsis6 |
||
897 | |||
898 | ; 6 : return status of packet driver |
||
899 | ; ( 0 == not active, FFFFFFFF = successful ) |
||
900 | mov eax, [eth_status] |
||
901 | ret |
||
902 | |||
903 | notsis6: |
||
904 | xor eax, eax |
||
905 | ret |
||
906 | |||
907 | |||
908 | |||
909 | ;*************************************************************************** |
||
910 | ; Function |
||
911 | ; stack_get_packet |
||
912 | ; |
||
913 | ; Description |
||
914 | ; extracts an IP packet from the NET1 output queue |
||
915 | ; and sends the data to the calling process |
||
916 | ; pointer to data in edx |
||
917 | ; returns number of bytes read in eax |
||
918 | ; |
||
919 | ;*************************************************************************** |
||
920 | stack_get_packet: |
||
921 | ; Look for a buffer to tx |
||
922 | mov eax, NET1OUT_QUEUE |
||
923 | call dequeue |
||
924 | cmp ax, NO_BUFFER |
||
302 | hidnplayr | 925 | je sgp_non_exit ; Exit if no buffer available |
1 | ha | 926 | |
302 | hidnplayr | 927 | push eax ; Save buffer number for freeing at end |
1 | ha | 928 | |
929 | push edx |
||
930 | ; convert buffer pointer eax to the absolute address |
||
931 | mov ecx, IPBUFFSIZE |
||
932 | mul ecx |
||
933 | add eax, IPbuffs |
||
934 | pop edx |
||
935 | |||
302 | hidnplayr | 936 | push eax ; save address of IP data |
1 | ha | 937 | |
938 | ; Get the address of the callers data |
||
379 | serge | 939 | mov edi,[TASK_BASE] |
115 | poddubny | 940 | add edi,TASKDATA.mem_start |
1 | ha | 941 | add edx,[edi] |
942 | mov edi, edx |
||
943 | |||
944 | pop eax |
||
945 | |||
302 | hidnplayr | 946 | mov ecx, 1500 ; should get the actual number of bytes to write |
1 | ha | 947 | mov esi, eax |
948 | cld |
||
302 | hidnplayr | 949 | rep movsb ; copy the data across |
1 | ha | 950 | |
951 | ; And finally, return the buffer to the free queue |
||
952 | pop eax |
||
953 | call freeBuff |
||
954 | |||
955 | mov eax, 1500 |
||
956 | ret |
||
957 | |||
958 | sgp_non_exit: |
||
959 | xor eax, eax |
||
960 | ret |
||
961 | |||
962 | |||
963 | |||
964 | ;*************************************************************************** |
||
965 | ; Function |
||
966 | ; stack_insert_packet |
||
967 | ; |
||
968 | ; Description |
||
969 | ; writes an IP packet into the stacks receive queue |
||
970 | ; # of bytes to write in ecx |
||
971 | ; pointer to data in edx |
||
972 | ; returns 0 in eax ok, -1 == failed |
||
973 | ; |
||
974 | ;*************************************************************************** |
||
975 | stack_insert_packet: |
||
976 | |||
977 | mov eax, EMPTY_QUEUE |
||
978 | call dequeue |
||
979 | cmp ax, NO_BUFFER |
||
302 | hidnplayr | 980 | je sip_err_exit |
1 | ha | 981 | |
982 | push eax |
||
983 | |||
984 | ; save the pointers to the data buffer & size |
||
985 | push edx |
||
986 | push ecx |
||
987 | |||
988 | ; convert buffer pointer eax to the absolute address |
||
989 | mov ecx, IPBUFFSIZE |
||
990 | mul ecx |
||
991 | add eax, IPbuffs |
||
992 | |||
993 | mov edx, eax |
||
994 | |||
995 | ; So, edx holds the IPbuffer ptr |
||
996 | |||
302 | hidnplayr | 997 | pop ecx ; count of bytes to send |
998 | mov ebx, ecx ; need the length later |
||
999 | pop eax ; get callers ptr to data to send |
||
1 | ha | 1000 | |
1001 | ; Get the address of the callers data |
||
379 | serge | 1002 | mov edi,[TASK_BASE] |
115 | poddubny | 1003 | add edi,TASKDATA.mem_start |
1 | ha | 1004 | add eax,[edi] |
1005 | mov esi, eax |
||
1006 | |||
1007 | mov edi, edx |
||
1008 | cld |
||
302 | hidnplayr | 1009 | rep movsb ; copy the data across |
1 | ha | 1010 | |
1011 | pop ebx |
||
1012 | |||
1013 | mov eax, IPIN_QUEUE |
||
1014 | call queue |
||
1015 | |||
1016 | inc dword [ip_rx_count] |
||
1017 | |||
1018 | mov eax, 0 |
||
1019 | ret |
||
1020 | |||
1021 | sip_err_exit: |
||
1022 | mov eax, 0xFFFFFFFF |
||
1023 | ret |
||
1024 |