Rev 1763 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
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1171 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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1763 | hidnplayr | 3 | ;; Copyright (C) KolibriOS team 2004-2011. All rights reserved. ;; |
1171 | hidnplayr | 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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1763 | hidnplayr | 8 | ;; TCP/IP stack for KolibriOS ;; |
1171 | hidnplayr | 9 | ;; ;; |
10 | ;; Written by hidnplayr@kolibrios.org ;; |
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11 | ;; ;; |
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1763 | hidnplayr | 12 | ;; Some parts of code are based on the work of: ;; |
13 | ;; Mike Hibbett (menuetos network stack) ;; |
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14 | ;; Eugen Brasoveanu (solar os network stack and drivers) ;; |
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15 | ;; mike.dld (kolibrios socket code) ;; |
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1171 | hidnplayr | 16 | ;; ;; |
1763 | hidnplayr | 17 | ;; TCP part is based on 4.4BSD ;; |
18 | ;; ;; |
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1171 | hidnplayr | 19 | ;; GNU GENERAL PUBLIC LICENSE ;; |
20 | ;; Version 2, June 1991 ;; |
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21 | ;; ;; |
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22 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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1159 | hidnplayr | 23 | |
1206 | hidnplayr | 24 | $Revision: 1773 $ |
1159 | hidnplayr | 25 | |
1763 | hidnplayr | 26 | __DEBUG_LEVEL_OLD__ equ __DEBUG_LEVEL__ ; use seperate debug level for network part of kernel |
27 | __DEBUG_LEVEL__ equ 1 |
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1473 | hidnplayr | 28 | |
1159 | hidnplayr | 29 | uglobal |
1763 | hidnplayr | 30 | net_10ms dd ? |
31 | net_tmr_count dw ? |
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1159 | hidnplayr | 32 | endg |
33 | |||
1259 | hidnplayr | 34 | MAX_NET_DEVICES equ 16 |
1159 | hidnplayr | 35 | |
1763 | hidnplayr | 36 | MIN_EPHEMERAL_PORT equ 49152 |
37 | MAX_EPHEMERAL_PORT equ 61000 |
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1159 | hidnplayr | 38 | |
1514 | hidnplayr | 39 | ; Ethernet protocol numbers |
1519 | hidnplayr | 40 | ETHER_ARP equ 0x0608 |
1733 | hidnplayr | 41 | ETHER_IPv4 equ 0x0008 |
1519 | hidnplayr | 42 | ETHER_PPP_DISCOVERY equ 0x6388 |
43 | ETHER_PPP_SESSION equ 0x6488 |
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1185 | hidnplayr | 44 | |
1514 | hidnplayr | 45 | ;Protocol family |
1254 | hidnplayr | 46 | AF_UNSPEC equ 0 |
1249 | hidnplayr | 47 | AF_UNIX equ 1 |
1159 | hidnplayr | 48 | AF_INET4 equ 2 |
1514 | hidnplayr | 49 | AF_INET6 equ 10 |
1159 | hidnplayr | 50 | |
1514 | hidnplayr | 51 | ; Internet protocol numbers |
1159 | hidnplayr | 52 | IP_PROTO_IP equ 0 |
53 | IP_PROTO_ICMP equ 1 |
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54 | IP_PROTO_TCP equ 6 |
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55 | IP_PROTO_UDP equ 17 |
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56 | |||
1200 | hidnplayr | 57 | ; Socket types |
1514 | hidnplayr | 58 | SOCK_STREAM equ 1 |
59 | SOCK_DGRAM equ 2 |
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60 | SOCK_RAW equ 3 |
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1200 | hidnplayr | 61 | |
1514 | hidnplayr | 62 | ; Socket options |
1529 | hidnplayr | 63 | SO_ACCEPTCON equ 1 |
1159 | hidnplayr | 64 | |
1773 | hidnplayr | 65 | ; Socket States |
66 | SS_NOFDREF equ 0x001 ; no file table ref any more |
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67 | SS_ISCONNECTED equ 0x002 ; socket connected to a peer |
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68 | SS_ISCONNECTING equ 0x004 ; in process of connecting to peer |
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69 | SS_ISDISCONNECTING equ 0x008 ; in process of disconnecting |
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70 | SS_CANTSENDMORE equ 0x010 ; can't send more data to peer |
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71 | SS_CANTRCVMORE equ 0x020 ; can't receive more data from peer |
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72 | SS_RCVATMARK equ 0x040 ; at mark on input |
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73 | SS_ISABORTING equ 0x080 ; aborting fd references - close() |
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74 | SS_RESTARTSYS equ 0x100 ; restart blocked system calls |
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75 | SS_ISDISCONNECTED equ 0x800 ; socket disconnected from peer |
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76 | |||
77 | SS_ASYNC equ 0x100 ; async i/o notify |
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78 | SS_ISCONFIRMING equ 0x200 ; deciding to accept connection req |
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79 | SS_MORETOCOME equ 0x400 ; |
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80 | |||
81 | |||
1529 | hidnplayr | 82 | SOCKET_MAXDATA equ 4096*32 ; must be 4096*(power of 2) where 'power of 2' is at least 8 |
1254 | hidnplayr | 83 | |
1514 | hidnplayr | 84 | ; Network driver types |
85 | NET_TYPE_ETH equ 1 |
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86 | NET_TYPE_SLIP equ 2 |
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1254 | hidnplayr | 87 | |
1543 | hidnplayr | 88 | MAX_backlog equ 20 ; maximum backlog for stream sockets |
1254 | hidnplayr | 89 | |
1716 | hidnplayr | 90 | ; Error Codes |
91 | ENOBUFS equ 55 |
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92 | ECONNREFUSED equ 61 |
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93 | ECONNRESET equ 52 |
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94 | ETIMEDOUT equ 60 |
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95 | ECONNABORTED equ 53 |
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1529 | hidnplayr | 96 | |
1716 | hidnplayr | 97 | |
98 | |||
1514 | hidnplayr | 99 | virtual at 0 |
1254 | hidnplayr | 100 | |
1514 | hidnplayr | 101 | NET_DEVICE: |
1519 | hidnplayr | 102 | |
103 | .type dd ? ; Type field |
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104 | .mtu dd ? ; Maximal Transmission Unit |
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105 | .name dd ? ; Ptr to 0 terminated string |
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106 | |||
107 | .unload dd ? ; Ptrs to driver functions |
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108 | .reset dd ? ; |
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109 | .transmit dd ? ; |
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110 | |||
111 | .bytes_tx dq ? ; Statistics, updated by the driver |
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112 | .bytes_rx dq ? ; |
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113 | .packets_tx dd ? ; |
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114 | .packets_rx dd ? ; |
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115 | |||
1763 | hidnplayr | 116 | ; .hwacc dd ? ; bitmask stating available hardware accelerations (offload engines) |
1529 | hidnplayr | 117 | |
1514 | hidnplayr | 118 | .end: |
1254 | hidnplayr | 119 | |
1514 | hidnplayr | 120 | end virtual |
1254 | hidnplayr | 121 | |
122 | |||
1514 | hidnplayr | 123 | ; Exactly as it says.. |
1318 | hidnplayr | 124 | macro pseudo_random reg { |
125 | add reg, [esp] |
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126 | rol reg, 5 |
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127 | xor reg, [timer_ticks] |
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1529 | hidnplayr | 128 | add reg, [CPU_FREQ] |
1318 | hidnplayr | 129 | imul reg, 214013 |
130 | xor reg, 0xdeadbeef |
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131 | rol reg, 9 |
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1514 | hidnplayr | 132 | } |
1318 | hidnplayr | 133 | |
1543 | hidnplayr | 134 | macro ntohd reg { |
1318 | hidnplayr | 135 | |
1514 | hidnplayr | 136 | rol word reg, 8 |
137 | rol dword reg, 16 |
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1529 | hidnplayr | 138 | rol word reg , 8 |
1514 | hidnplayr | 139 | |
1318 | hidnplayr | 140 | } |
141 | |||
1543 | hidnplayr | 142 | macro ntohw reg { |
1514 | hidnplayr | 143 | |
144 | rol word reg, 8 |
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145 | |||
146 | } |
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147 | |||
148 | |||
1529 | hidnplayr | 149 | macro packet_to_debug { ; set esi to packet you want to print, ecx to number of bytes |
150 | |||
151 | local .loop |
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152 | |||
153 | .loop: |
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154 | lodsb |
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155 | DEBUGF 1,"%x ", eax:2 |
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156 | loop @r |
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157 | |||
158 | } |
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159 | |||
160 | |||
1159 | hidnplayr | 161 | include "queue.inc" |
1514 | hidnplayr | 162 | |
163 | include "ethernet.inc" |
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1719 | hidnplayr | 164 | |
1514 | hidnplayr | 165 | ;include "slip.inc" |
1719 | hidnplayr | 166 | ;include "pppoe.inc" |
1514 | hidnplayr | 167 | |
1187 | hidnplayr | 168 | include "ARP.inc" |
169 | include "IPv4.inc" |
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1514 | hidnplayr | 170 | |
171 | include "icmp.inc" |
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172 | include "udp.inc" |
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1249 | hidnplayr | 173 | include "tcp.inc" |
1159 | hidnplayr | 174 | |
1514 | hidnplayr | 175 | include "socket.inc" |
176 | |||
177 | |||
178 | |||
179 | align 4 |
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180 | uglobal |
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181 | |||
182 | NET_RUNNING dd ? |
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183 | NET_DRV_LIST rd MAX_NET_DEVICES |
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184 | |||
185 | endg |
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186 | |||
187 | |||
1257 | hidnplayr | 188 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 189 | ; |
190 | ; stack_init |
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191 | ; |
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192 | ; This function calls all network init procedures |
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193 | ; |
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194 | ; IN: / |
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195 | ; OUT: / |
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196 | ; |
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1257 | hidnplayr | 197 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 198 | align 4 |
199 | stack_init: |
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200 | |||
1514 | hidnplayr | 201 | ; Init the network drivers list |
202 | xor eax, eax |
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203 | mov edi, NET_RUNNING |
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204 | mov ecx, MAX_NET_DEVICES + 1 |
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205 | rep stosd |
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206 | |||
1529 | hidnplayr | 207 | ETH_init |
208 | ; SLIP_init |
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209 | ; PPPOE_init |
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1514 | hidnplayr | 210 | |
1529 | hidnplayr | 211 | IPv4_init |
212 | ICMP_init |
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1514 | hidnplayr | 213 | |
1529 | hidnplayr | 214 | ARP_init |
215 | UDP_init |
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216 | TCP_init |
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1514 | hidnplayr | 217 | |
1529 | hidnplayr | 218 | SOCKET_init |
1514 | hidnplayr | 219 | |
220 | mov [net_tmr_count], 0 |
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1159 | hidnplayr | 221 | |
222 | ret |
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223 | |||
224 | |||
1257 | hidnplayr | 225 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 226 | ; |
227 | ; stack_handler |
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228 | ; |
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1514 | hidnplayr | 229 | ; This function is called in kernel loop |
1159 | hidnplayr | 230 | ; |
231 | ; IN: / |
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232 | ; OUT: / |
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233 | ; |
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1257 | hidnplayr | 234 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 235 | align 4 |
236 | stack_handler: |
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237 | |||
1514 | hidnplayr | 238 | cmp [NET_RUNNING], 0 |
1257 | hidnplayr | 239 | je .exit |
1159 | hidnplayr | 240 | |
1318 | hidnplayr | 241 | ; Test for 10ms tick |
1257 | hidnplayr | 242 | mov eax, [timer_ticks] |
1514 | hidnplayr | 243 | cmp eax, [net_10ms] |
1257 | hidnplayr | 244 | je .exit |
1514 | hidnplayr | 245 | mov [net_10ms], eax |
1159 | hidnplayr | 246 | |
1519 | hidnplayr | 247 | test [net_10ms], 0x0f ; 160ms |
248 | jnz .exit |
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1249 | hidnplayr | 249 | |
1529 | hidnplayr | 250 | TCP_timer_160ms |
1159 | hidnplayr | 251 | |
1519 | hidnplayr | 252 | test [net_10ms], 0x3f ; 640ms |
253 | jnz .exit |
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254 | |||
1529 | hidnplayr | 255 | TCP_timer_640ms |
256 | ARP_decrease_entry_ttls |
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257 | IPv4_decrease_fragment_ttls |
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1159 | hidnplayr | 258 | |
259 | .exit: |
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1257 | hidnplayr | 260 | ret |
1159 | hidnplayr | 261 | |
262 | |||
1514 | hidnplayr | 263 | |
1249 | hidnplayr | 264 | ;----------------------------------------------------------------- |
265 | ; |
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1514 | hidnplayr | 266 | ; NET_Add_Device: |
267 | ; |
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268 | ; This function is called by the network drivers, |
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269 | ; to register each running NIC to the kernel |
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270 | ; |
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271 | ; IN: Pointer to device structure in ebx |
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272 | ; OUT: Device num in eax, -1 on error |
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273 | ; |
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274 | ;----------------------------------------------------------------- |
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275 | align 4 |
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276 | NET_add_device: |
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277 | |||
278 | DEBUGF 1,"NET_Add_Device: %x\n", ebx |
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279 | |||
280 | mov eax, [NET_RUNNING] |
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281 | cmp eax, MAX_NET_DEVICES |
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282 | jge .error |
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283 | |||
284 | ;---------------------------------- |
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285 | ; Check if device is already listed |
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286 | mov eax, ebx |
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287 | mov ecx, MAX_NET_DEVICES ; We need to check whole list because a device may be removed without re-organizing list |
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288 | mov edi, NET_DRV_LIST |
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289 | |||
290 | repne scasd ; See if device is already in the list |
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291 | jz .error |
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292 | |||
293 | ;---------------------------- |
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294 | ; Find empty slot in the list |
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295 | xor eax, eax |
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296 | mov ecx, MAX_NET_DEVICES |
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297 | mov edi, NET_DRV_LIST |
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298 | |||
299 | repne scasd |
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300 | jnz .error |
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301 | |||
302 | sub edi, 4 |
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303 | |||
304 | cmp [ebx + NET_DEVICE.type], NET_TYPE_ETH |
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305 | je .ethernet |
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306 | |||
307 | cmp [ebx + NET_DEVICE.type], NET_TYPE_SLIP |
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308 | je .slip |
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309 | |||
310 | DEBUGF 1,"Unknown network device type: %u\n", [ebx + NET_DEVICE.type] |
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311 | jmp .error |
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312 | |||
313 | .ethernet: |
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1529 | hidnplayr | 314 | DEBUGF 1,"Trying to add an ethernet device\n" |
1514 | hidnplayr | 315 | |
316 | inc [ETH_RUNNING] ; Indicate that one more ethernet device is up and running |
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317 | jmp .add_it |
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318 | |||
319 | .slip: |
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1529 | hidnplayr | 320 | DEBUGF 1,"Trying to add a slip device\n" |
1514 | hidnplayr | 321 | ;;;; |
322 | jmp .error |
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323 | |||
324 | |||
325 | .add_it: |
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326 | |||
327 | ;----------------------------- |
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328 | ; Add device to the found slot |
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329 | mov [edi], ebx ; add device to list |
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330 | |||
331 | sub edi, NET_DRV_LIST ; Calculate device number in eax |
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332 | mov eax, edi ; |
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333 | shr eax, 2 |
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334 | |||
335 | inc [NET_RUNNING] ; Indicate that one more network device is up and running |
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336 | |||
337 | DEBUGF 1,"Device number: %u\n",eax |
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338 | ret |
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339 | |||
340 | .error: |
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341 | or eax, -1 |
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342 | DEBUGF 2,"Adding network device failed\n" |
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343 | ret |
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344 | |||
345 | |||
346 | |||
347 | ;----------------------------------------------------------------- |
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348 | ; |
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349 | ; NET_Remove_Device: |
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350 | ; |
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351 | ; This function is called by etwork drivers, |
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352 | ; to unregister network devices from the kernel |
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353 | ; |
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354 | ; IN: Pointer to device structure in ebx |
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355 | ; OUT: eax: -1 on error |
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356 | ; |
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357 | ;----------------------------------------------------------------- |
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358 | align 4 |
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359 | NET_remove_device: |
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360 | |||
361 | cmp [NET_RUNNING], 0 |
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362 | je .error |
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363 | |||
364 | ;---------------------------- |
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365 | ; Find the driver in the list |
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366 | |||
367 | mov eax, ebx |
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368 | mov ecx, MAX_NET_DEVICES |
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369 | mov edi, NET_DRV_LIST |
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370 | |||
371 | repne scasd |
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372 | jnz .error |
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373 | |||
374 | ;------------------------ |
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375 | ; Remove it from the list |
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376 | |||
377 | xor eax, eax |
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378 | mov dword [edi-4], eax |
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379 | |||
380 | dec [NET_RUNNING] |
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381 | ret |
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382 | |||
383 | .error: |
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384 | or eax, -1 |
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385 | ret |
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386 | |||
387 | |||
388 | |||
389 | ;----------------------------------------------------------------- |
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390 | ; |
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391 | ; NET_ptr_to_num |
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392 | ; |
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393 | ; IN: ebx = ptr to device struct |
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394 | ; OUT: edi = -1 on error, device number otherwise |
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395 | ; |
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396 | ;----------------------------------------------------------------- |
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397 | align 4 |
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398 | NET_ptr_to_num: |
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399 | push ecx |
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400 | |||
401 | mov ecx, MAX_NET_DEVICES |
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402 | mov edi, NET_DRV_LIST |
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403 | |||
404 | .loop: |
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405 | cmp ebx, [edi] |
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406 | jz .found |
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407 | add edi, 4 |
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408 | dec ecx |
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409 | jnz .loop |
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410 | |||
411 | ; repnz scasd could work too if eax is used instead of ebx! |
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412 | |||
413 | or edi, -1 |
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414 | |||
415 | pop ecx |
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416 | ret |
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417 | |||
418 | .found: |
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419 | sub edi, NET_DRV_LIST |
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420 | shr edi, 2 |
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421 | |||
422 | pop ecx |
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423 | ret |
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424 | |||
425 | ;----------------------------------------------------------------- |
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426 | ; |
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1249 | hidnplayr | 427 | ; checksum_1 |
428 | ; |
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1482 | hidnplayr | 429 | ; This is the first of two functions needed to calculate a checksum. |
1249 | hidnplayr | 430 | ; |
1473 | hidnplayr | 431 | ; IN: edx = start offset for semi-checksum |
1249 | hidnplayr | 432 | ; esi = pointer to data |
433 | ; ecx = data size |
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434 | ; OUT: edx = semi-checksum |
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435 | ; |
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1473 | hidnplayr | 436 | ; |
437 | ; Code was optimized by diamond |
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438 | ; |
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1249 | hidnplayr | 439 | ;----------------------------------------------------------------- |
440 | align 4 |
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441 | checksum_1: |
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1159 | hidnplayr | 442 | |
1249 | hidnplayr | 443 | shr ecx, 1 |
444 | pushf |
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1473 | hidnplayr | 445 | jz .no_2 |
1159 | hidnplayr | 446 | |
1473 | hidnplayr | 447 | shr ecx, 1 |
448 | pushf |
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449 | jz .no_4 |
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450 | |||
451 | shr ecx, 1 |
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452 | pushf |
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453 | jz .no_8 |
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454 | |||
455 | .loop: |
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456 | add dl, [esi+1] |
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457 | adc dh, [esi+0] |
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458 | |||
459 | adc dl, [esi+3] |
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460 | adc dh, [esi+2] |
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461 | |||
462 | adc dl, [esi+5] |
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463 | adc dh, [esi+4] |
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464 | |||
465 | adc dl, [esi+7] |
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466 | adc dh, [esi+6] |
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467 | |||
468 | adc edx, 0 |
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469 | add esi, 8 |
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470 | |||
471 | dec ecx |
||
472 | jnz .loop |
||
473 | |||
474 | adc edx, 0 |
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475 | |||
476 | .no_8: |
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1249 | hidnplayr | 477 | popf |
1473 | hidnplayr | 478 | jnc .no_4 |
479 | |||
480 | add dl, [esi+1] |
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481 | adc dh, [esi+0] |
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482 | |||
483 | adc dl, [esi+3] |
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484 | adc dh, [esi+2] |
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485 | |||
486 | adc edx, 0 |
||
487 | add esi, 4 |
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488 | |||
489 | .no_4: |
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490 | popf |
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491 | jnc .no_2 |
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492 | |||
493 | add dl, [esi+1] |
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494 | adc dh, [esi+0] |
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495 | |||
496 | adc edx, 0 |
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1483 | hidnplayr | 497 | inc esi |
498 | inc esi |
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1473 | hidnplayr | 499 | |
500 | .no_2: |
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501 | popf |
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1249 | hidnplayr | 502 | jnc .end |
1159 | hidnplayr | 503 | |
1473 | hidnplayr | 504 | add dh, [esi+0] |
1251 | clevermous | 505 | adc edx, 0 |
1473 | hidnplayr | 506 | .end: |
507 | ret |
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1159 | hidnplayr | 508 | |
1249 | hidnplayr | 509 | ;----------------------------------------------------------------- |
510 | ; |
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511 | ; checksum_2 |
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512 | ; |
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513 | ; This function calculates the final ip/tcp/udp checksum for you |
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514 | ; |
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515 | ; IN: edx = semi-checksum |
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516 | ; OUT: dx = checksum (in INET byte order) |
||
517 | ; |
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518 | ;----------------------------------------------------------------- |
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519 | align 4 |
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520 | checksum_2: |
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521 | |||
522 | mov ecx, edx |
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523 | shr ecx, 16 |
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524 | and edx, 0xffff |
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525 | add edx, ecx |
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526 | |||
1482 | hidnplayr | 527 | mov ecx, edx |
528 | shr ecx, 16 |
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1529 | hidnplayr | 529 | add dx, cx |
530 | test dx, dx ; it seems that ZF is not set when CF is set :( |
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1249 | hidnplayr | 531 | not dx |
532 | jnz .not_zero |
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533 | dec dx |
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534 | .not_zero: |
||
535 | xchg dl, dh |
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536 | |||
1529 | hidnplayr | 537 | DEBUGF 1,"Checksum: %x\n", dx |
1249 | hidnplayr | 538 | |
539 | ret |
||
540 | |||
541 | |||
542 | |||
1159 | hidnplayr | 543 | ;---------------------------------------------------------------- |
544 | ; |
||
1171 | hidnplayr | 545 | ; System function to work with network devices (73) |
1159 | hidnplayr | 546 | ; |
547 | ;---------------------------------------------------------------- |
||
548 | align 4 |
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549 | sys_network: |
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550 | |||
1196 | hidnplayr | 551 | cmp ebx, -1 |
552 | jne @f |
||
553 | |||
1514 | hidnplayr | 554 | mov eax, [NET_RUNNING] |
1196 | hidnplayr | 555 | jmp .return |
556 | |||
557 | @@: |
||
1159 | hidnplayr | 558 | cmp bh, MAX_NET_DEVICES ; Check if device number exists |
559 | jge .doesnt_exist |
||
560 | |||
561 | mov esi, ebx |
||
562 | and esi, 0x0000ff00 |
||
563 | shr esi, 6 |
||
564 | |||
1514 | hidnplayr | 565 | cmp dword [esi + NET_DRV_LIST], 0 ; check if driver is running |
1159 | hidnplayr | 566 | je .doesnt_exist |
567 | |||
1514 | hidnplayr | 568 | test bl, bl ; 0 = Get device type (ethernet/token ring/...) |
1159 | hidnplayr | 569 | jnz @f |
1514 | hidnplayr | 570 | |
1192 | hidnplayr | 571 | xor eax, eax |
572 | jmp .return |
||
1159 | hidnplayr | 573 | |
574 | |||
575 | @@: |
||
576 | dec bl ; 1 = Get device name |
||
577 | jnz @f |
||
578 | |||
1514 | hidnplayr | 579 | mov esi, [esi + NET_DRV_LIST] |
1519 | hidnplayr | 580 | mov esi, [esi + NET_DEVICE.name] |
1159 | hidnplayr | 581 | mov edi, ecx |
582 | |||
583 | mov ecx, 64 ; max length |
||
584 | repnz movsb |
||
585 | |||
1192 | hidnplayr | 586 | xor eax, eax |
587 | jmp .return |
||
1159 | hidnplayr | 588 | |
1192 | hidnplayr | 589 | @@: |
1159 | hidnplayr | 590 | |
1192 | hidnplayr | 591 | dec bl ; 2 = Reset the device |
592 | jnz @f |
||
593 | |||
1514 | hidnplayr | 594 | mov esi, [esi + NET_DRV_LIST] |
1519 | hidnplayr | 595 | call [esi + NET_DEVICE.reset] |
1192 | hidnplayr | 596 | jmp .return |
597 | |||
1159 | hidnplayr | 598 | @@: |
1192 | hidnplayr | 599 | |
600 | dec bl ; 3 = Stop driver for this device |
||
601 | jnz @f |
||
602 | |||
1514 | hidnplayr | 603 | mov esi, [esi + NET_DRV_LIST] |
1519 | hidnplayr | 604 | call [esi + NET_DEVICE.unload] |
1192 | hidnplayr | 605 | jmp .return |
606 | |||
607 | @@: |
||
1249 | hidnplayr | 608 | dec bl ; 4 = Get driver pointer |
609 | jnz @f |
||
1192 | hidnplayr | 610 | |
1249 | hidnplayr | 611 | ; ..; |
612 | |||
613 | |||
614 | @@: |
||
615 | ; ... ; 5 Get driver name |
||
616 | |||
1159 | hidnplayr | 617 | .doesnt_exist: |
618 | DEBUGF 1,"sys_network: invalid device/function specified!\n" |
||
619 | mov eax, -1 |
||
620 | |||
1192 | hidnplayr | 621 | .return: |
622 | mov [esp+28+4], eax |
||
1159 | hidnplayr | 623 | ret |
624 | |||
625 | |||
626 | ;---------------------------------------------------------------- |
||
627 | ; |
||
1514 | hidnplayr | 628 | ; System function to work with protocols (75) |
1159 | hidnplayr | 629 | ; |
630 | ;---------------------------------------------------------------- |
||
631 | align 4 |
||
632 | sys_protocols: |
||
633 | cmp bh, MAX_NET_DEVICES ; Check if device number exists |
||
634 | jge .doesnt_exist |
||
635 | |||
636 | mov esi, ebx |
||
637 | and esi, 0x0000ff00 |
||
1514 | hidnplayr | 638 | shr esi, 6 ; now we have the device num * 4 in esi |
639 | cmp dword [esi + NET_DRV_LIST], 0 ; check if driver is running |
||
1159 | hidnplayr | 640 | je .doesnt_exist |
641 | |||
642 | push .return ; return address (we will be using jumps instead of calls) |
||
643 | |||
644 | mov eax, ebx ; set ax to protocol number |
||
645 | shr eax, 16 ; |
||
646 | |||
647 | cmp ax , IP_PROTO_IP |
||
648 | je IPv4_API |
||
649 | |||
650 | cmp ax , IP_PROTO_ICMP |
||
651 | je ICMP_API |
||
652 | |||
653 | cmp ax , IP_PROTO_UDP |
||
654 | je UDP_API |
||
655 | |||
1171 | hidnplayr | 656 | cmp ax , IP_PROTO_TCP |
1254 | hidnplayr | 657 | je TCP_API |
1159 | hidnplayr | 658 | |
1171 | hidnplayr | 659 | cmp ax , ETHER_ARP |
1159 | hidnplayr | 660 | je ARP_API |
661 | |||
1519 | hidnplayr | 662 | cmp ax , 1337 ;;;;; |
1159 | hidnplayr | 663 | je ETH_API |
664 | |||
1171 | hidnplayr | 665 | add esp, 4 ; if we reached here, no function was called, so we need to balance stack |
1159 | hidnplayr | 666 | |
667 | .doesnt_exist: |
||
1519 | hidnplayr | 668 | DEBUGF 1,"sys_protocols: protocol %u doesnt exist on device %u!\n", ax, bh |
1159 | hidnplayr | 669 | mov eax, -1 |
670 | |||
671 | .return: |
||
1171 | hidnplayr | 672 | mov [esp+28+4], eax |
1257 | hidnplayr | 673 | ret |
1473 | hidnplayr | 674 | |
675 | |||
676 | __DEBUG_LEVEL__ equ __DEBUG_LEVEL_OLD__ |