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Rev | Author | Line No. | Line |
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1763 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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2362 | hidnplayr | 3 | ;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;; |
1763 | hidnplayr | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;; Part of the tcp/ip network stack for KolibriOS ;; |
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7 | ;; ;; |
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8 | ;; Written by hidnplayr@kolibrios.org ;; |
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9 | ;; ;; |
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10 | ;; Based on the code of 4.4BSD ;; |
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11 | ;; ;; |
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12 | ;; GNU GENERAL PUBLIC LICENSE ;; |
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13 | ;; Version 2, June 1991 ;; |
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14 | ;; ;; |
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15 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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16 | |||
17 | $Revision: 2362 $ |
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18 | |||
1733 | hidnplayr | 19 | ;----------------------------------------------------------------- |
20 | ; |
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21 | ; TCP_output |
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22 | ; |
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23 | ; IN: eax = socket pointer |
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24 | ; |
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25 | ; OUT: / |
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26 | ; |
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27 | ;----------------------------------------------------------------- |
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28 | align 4 |
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29 | TCP_output: |
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30 | |||
31 | DEBUGF 1,"TCP_output, socket: %x\n", eax |
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32 | |||
33 | |||
34 | ; We'll detect the length of the data to be transmitted, and flags to be used |
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35 | ; If there is some data, or any critical controls to send (SYN / RST), then transmit |
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36 | ; Otherwise, investigate further |
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37 | |||
38 | mov ebx, [eax + TCP_SOCKET.SND_MAX] |
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39 | cmp ebx, [eax + TCP_SOCKET.SND_UNA] |
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40 | jne .not_idle |
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41 | |||
42 | mov ebx, [eax + TCP_SOCKET.t_idle] |
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43 | cmp ebx, [eax + TCP_SOCKET.t_rxtcur] |
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2300 | hidnplayr | 44 | jbe .not_idle |
1733 | hidnplayr | 45 | |
46 | ; We have been idle for a while and no ACKS are expected to clock out any data we send.. |
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47 | ; Slow start to get ack "clock" running again. |
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48 | |||
49 | mov ebx, [eax + TCP_SOCKET.t_maxseg] |
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50 | mov [eax + TCP_SOCKET.SND_CWND], ebx |
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51 | |||
52 | .not_idle: |
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53 | .again: |
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1761 | hidnplayr | 54 | mov ebx, [eax + TCP_SOCKET.SND_NXT] ; calculate offset (71) |
1733 | hidnplayr | 55 | sub ebx, [eax + TCP_SOCKET.SND_UNA] ; |
56 | |||
57 | mov ecx, [eax + TCP_SOCKET.SND_WND] ; determine window |
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58 | cmp ecx, [eax + TCP_SOCKET.SND_CWND] ; |
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2300 | hidnplayr | 59 | jb @f ; |
1733 | hidnplayr | 60 | mov ecx, [eax + TCP_SOCKET.SND_CWND] ; |
61 | @@: ; |
||
62 | |||
1761 | hidnplayr | 63 | call TCP_outflags ; flags in dl |
1733 | hidnplayr | 64 | |
1761 | hidnplayr | 65 | ;------------------------ |
66 | ; data being forced out ? |
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67 | |||
1733 | hidnplayr | 68 | ; If in persist timeout with window of 0, send 1 byte. |
69 | ; Otherwise, if window is small but nonzero, and timer expired, |
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70 | ; we will send what we can and go to transmit state |
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71 | |||
72 | test [eax + TCP_SOCKET.t_force], -1 |
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1761 | hidnplayr | 73 | jz .no_force |
1733 | hidnplayr | 74 | |
75 | test ecx, ecx |
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76 | jnz .no_zero_window |
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77 | |||
2362 | hidnplayr | 78 | cmp ebx, [eax + STREAM_SOCKET.snd.size] |
2300 | hidnplayr | 79 | jae @f |
1733 | hidnplayr | 80 | |
81 | and dl, not (TH_FIN) ; clear the FIN flag ??? how can it be set before? |
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82 | |||
83 | @@: |
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84 | inc ecx |
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1761 | hidnplayr | 85 | jmp .no_force |
1733 | hidnplayr | 86 | |
87 | .no_zero_window: |
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88 | mov [eax + TCP_SOCKET.timer_persist], 0 |
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89 | mov [eax + TCP_SOCKET.t_rxtshift], 0 |
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90 | |||
1761 | hidnplayr | 91 | .no_force: |
1733 | hidnplayr | 92 | |
1761 | hidnplayr | 93 | ;-------------------------------- |
94 | ; Calculate how much data to send (106) |
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1733 | hidnplayr | 95 | |
2362 | hidnplayr | 96 | mov esi, [eax + STREAM_SOCKET.snd.size] |
1733 | hidnplayr | 97 | cmp esi, ecx |
2300 | hidnplayr | 98 | jb @f |
1733 | hidnplayr | 99 | mov esi, ecx |
100 | @@: |
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101 | sub esi, ebx |
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102 | |||
1761 | hidnplayr | 103 | ;------------------------ |
104 | ; check for window shrink (107) |
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1733 | hidnplayr | 105 | |
1761 | hidnplayr | 106 | ; If FIN has been set, but not ACKed, but we havent been called to retransmit, esi will be -1 |
1733 | hidnplayr | 107 | ; Otherwise, window shrank after we sent into it. |
108 | |||
1762 | hidnplayr | 109 | jns .not_negative |
1761 | hidnplayr | 110 | |
111 | ; enter persist state |
||
1733 | hidnplayr | 112 | xor esi, esi |
113 | |||
1761 | hidnplayr | 114 | ; If window shrank to 0 |
1733 | hidnplayr | 115 | test ecx, ecx |
116 | jnz @f |
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117 | |||
1761 | hidnplayr | 118 | ; cancel pending retransmit |
119 | mov [eax + TCP_SOCKET.timer_retransmission], 0 |
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1733 | hidnplayr | 120 | |
1761 | hidnplayr | 121 | ; pull SND_NXT back to (closed) window, We will enter persist state below. |
1733 | hidnplayr | 122 | push [eax + TCP_SOCKET.SND_UNA] |
123 | pop [eax + TCP_SOCKET.SND_NXT] |
||
1761 | hidnplayr | 124 | |
1733 | hidnplayr | 125 | @@: |
126 | |||
1761 | hidnplayr | 127 | ; If window didn't close completely, just wait for an ACK |
1733 | hidnplayr | 128 | |
1762 | hidnplayr | 129 | .not_negative: |
1733 | hidnplayr | 130 | |
1761 | hidnplayr | 131 | ;--------------------------- |
132 | ; Send one segment at a time (124) |
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133 | |||
1733 | hidnplayr | 134 | cmp esi, [eax + TCP_SOCKET.t_maxseg] |
2300 | hidnplayr | 135 | jbe @f |
1733 | hidnplayr | 136 | |
137 | mov esi, [eax + TCP_SOCKET.t_maxseg] |
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138 | |||
1761 | hidnplayr | 139 | ;;; sendalot = 1 |
140 | |||
1733 | hidnplayr | 141 | @@: |
142 | |||
1761 | hidnplayr | 143 | ;-------------------------------------------- |
144 | ; Turn of FIN flag if send buffer not emptied (128) |
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1733 | hidnplayr | 145 | |
146 | mov edi, [eax + TCP_SOCKET.SND_NXT] |
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1761 | hidnplayr | 147 | add edi, esi |
1733 | hidnplayr | 148 | sub edi, [eax + TCP_SOCKET.SND_UNA] |
2362 | hidnplayr | 149 | sub edi, [eax + STREAM_SOCKET.snd.size] |
1762 | hidnplayr | 150 | jns @f |
1761 | hidnplayr | 151 | |
152 | and dl, not (TH_FIN) |
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1733 | hidnplayr | 153 | |
154 | @@: |
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155 | |||
1761 | hidnplayr | 156 | ;------------------------------- |
157 | ; calculate window advertisement (130) |
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1733 | hidnplayr | 158 | |
159 | mov ecx, SOCKET_MAXDATA |
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2362 | hidnplayr | 160 | sub ecx, [eax + STREAM_SOCKET.rcv.size] |
1733 | hidnplayr | 161 | |
162 | ;------------------------------ |
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1761 | hidnplayr | 163 | ; Sender silly window avoidance (131) |
1733 | hidnplayr | 164 | |
1761 | hidnplayr | 165 | test esi, esi |
166 | jz .len_zero |
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167 | |||
168 | cmp esi, [eax + TCP_SOCKET.t_maxseg] |
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1733 | hidnplayr | 169 | je .send |
170 | |||
2362 | hidnplayr | 171 | test [eax + TCP_SOCKET.t_flags], TF_NODELAY |
172 | jnz @f |
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173 | ; TODO: if not 'idle', skip to next codeblock |
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174 | @@: |
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175 | add ebx, esi |
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176 | cmp ebx, [eax + STREAM_SOCKET.snd.size] |
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177 | jae .send |
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1733 | hidnplayr | 178 | |
1761 | hidnplayr | 179 | test [eax + TCP_SOCKET.t_force], -1 ;;; |
1733 | hidnplayr | 180 | jnz .send |
181 | |||
182 | mov ebx, [eax + TCP_SOCKET.max_sndwnd] |
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183 | shr ebx, 1 |
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1761 | hidnplayr | 184 | cmp esi, ebx |
2300 | hidnplayr | 185 | jae .send |
1733 | hidnplayr | 186 | |
187 | mov ebx, [eax + TCP_SOCKET.SND_NXT] |
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188 | cmp ebx, [eax + TCP_SOCKET.SND_MAX] |
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2300 | hidnplayr | 189 | jb .send |
1733 | hidnplayr | 190 | |
1761 | hidnplayr | 191 | .len_zero: |
192 | |||
1733 | hidnplayr | 193 | ;---------------------------------------- |
1761 | hidnplayr | 194 | ; Check if a window update should be sent (154) |
1733 | hidnplayr | 195 | |
1761 | hidnplayr | 196 | test ecx, ecx |
1733 | hidnplayr | 197 | jz .no_window |
198 | |||
2362 | hidnplayr | 199 | push ecx |
200 | mov cl, [eax + TCP_SOCKET.RCV_SCALE] |
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201 | inc cl ; we want it *2 |
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202 | mov ebx, TCP_max_win |
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203 | shl ebx, cl |
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204 | pop ecx |
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205 | cmp ebx, ecx |
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206 | cmovb ebx, ecx |
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1733 | hidnplayr | 207 | |
2362 | hidnplayr | 208 | ; now ebx is TWICE the amount we can increase the window |
209 | ; (with TCP_max_win shl rcv_scale as the maximum) |
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210 | |||
211 | cmp ebx, [eax + TCP_SOCKET.t_maxseg] |
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212 | jae .send |
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213 | |||
214 | ;;; cmp ebx, [eax + ] ;;; TODO: check receive buffer high water mark |
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215 | ;;; jae .send |
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216 | |||
1733 | hidnplayr | 217 | .no_window: |
218 | |||
219 | ;-------------------------- |
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1761 | hidnplayr | 220 | ; Should a segment be sent? (174) |
1733 | hidnplayr | 221 | |
1761 | hidnplayr | 222 | test [eax + TCP_SOCKET.t_flags], TF_ACKNOW ; we need to ACK |
1733 | hidnplayr | 223 | jnz .send |
224 | |||
1761 | hidnplayr | 225 | test dl, TH_SYN + TH_RST ; we need to send a SYN or RST |
1733 | hidnplayr | 226 | jnz .send |
227 | |||
1761 | hidnplayr | 228 | mov ebx, [eax + TCP_SOCKET.SND_UP] ; when urgent pointer is beyond start of send bufer |
1733 | hidnplayr | 229 | cmp ebx, [eax + TCP_SOCKET.SND_UNA] |
2300 | hidnplayr | 230 | ja .send |
1733 | hidnplayr | 231 | |
232 | test dl, TH_FIN |
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1761 | hidnplayr | 233 | jz .enter_persist ; no reason to send, enter persist state |
1733 | hidnplayr | 234 | |
1761 | hidnplayr | 235 | ; FIN was set, only send if not already sent, or on retransmit |
236 | |||
1733 | hidnplayr | 237 | test [eax + TCP_SOCKET.t_flags], TF_SENTFIN |
238 | jnz .send |
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239 | |||
240 | mov ebx, [eax + TCP_SOCKET.SND_NXT] |
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241 | cmp ebx, [eax + TCP_SOCKET.SND_UNA] |
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242 | je .send |
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243 | |||
244 | ;-------------------- |
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1761 | hidnplayr | 245 | ; Enter persist state (191) |
1733 | hidnplayr | 246 | |
247 | .enter_persist: |
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248 | |||
2362 | hidnplayr | 249 | cmp [eax + STREAM_SOCKET.snd.size], 0 ; Data ready to send? |
250 | jne @f |
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251 | cmp [eax + TCP_SOCKET.timer_retransmission], 0 |
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252 | jne @f |
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253 | cmp [eax + TCP_SOCKET.timer_persist], 0 ; Persist timer already expired? |
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254 | jne @f |
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255 | |||
1733 | hidnplayr | 256 | DEBUGF 1,"Entering persist state\n" |
257 | |||
2362 | hidnplayr | 258 | mov [eax + TCP_SOCKET.t_rxtshift], 0 |
259 | TCP_set_persist eax |
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260 | @@: |
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1733 | hidnplayr | 261 | |
1761 | hidnplayr | 262 | ;---------------------------- |
263 | ; No reason to send a segment (219) |
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264 | |||
1733 | hidnplayr | 265 | DEBUGF 1,"No reason to send a segment\n" |
266 | |||
1761 | hidnplayr | 267 | mov [eax + SOCKET.lock], 0 |
1733 | hidnplayr | 268 | |
269 | ret |
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270 | |||
271 | |||
1761 | hidnplayr | 272 | |
273 | |||
274 | |||
275 | |||
276 | |||
277 | |||
278 | |||
1733 | hidnplayr | 279 | ;----------------------------------------------- |
280 | ; |
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1761 | hidnplayr | 281 | ; Send a segment (222) |
1733 | hidnplayr | 282 | ; |
283 | ; eax = socket pointer |
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1761 | hidnplayr | 284 | ; esi = data len |
1733 | hidnplayr | 285 | ; dl = flags |
286 | ; |
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287 | ;----------------------------------------------- |
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288 | |||
289 | .send: |
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290 | |||
291 | DEBUGF 1,"Preparing to send a segment\n" |
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292 | |||
2362 | hidnplayr | 293 | mov edi, sizeof.TCP_header ; edi will contain headersize |
1733 | hidnplayr | 294 | |
295 | sub esp, 8 ; create some space on stack |
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1761 | hidnplayr | 296 | push eax ; save socket pointer |
1733 | hidnplayr | 297 | |
298 | ;------------------------------------ |
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299 | ; Send options with first SYN segment |
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300 | |||
301 | test dl, TH_SYN |
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1761 | hidnplayr | 302 | jz .options_done |
1733 | hidnplayr | 303 | |
304 | push [eax + TCP_SOCKET.ISS] |
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305 | pop [eax + TCP_SOCKET.SND_NXT] |
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306 | |||
307 | test [eax + TCP_SOCKET.t_flags], TF_NOOPT |
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1761 | hidnplayr | 308 | jnz .options_done |
1733 | hidnplayr | 309 | |
2301 | hidnplayr | 310 | mov ecx, 1460 ;;;; FIXME |
1733 | hidnplayr | 311 | or ecx, TCP_OPT_MAXSEG shl 24 + 4 shl 16 |
312 | bswap ecx |
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313 | push ecx |
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314 | add di, 4 |
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315 | |||
316 | test [eax + TCP_SOCKET.t_flags], TF_REQ_SCALE |
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317 | jz .no_syn |
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318 | |||
319 | test dl, TH_ACK |
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320 | jnz .scale_opt |
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321 | |||
322 | test [eax + TCP_SOCKET.t_flags], TF_RCVD_SCALE |
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323 | jz .no_syn |
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324 | |||
325 | .scale_opt: |
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326 | movzx ecx, byte [eax + TCP_SOCKET.request_r_scale] |
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327 | or ecx, TCP_OPT_WINDOW shl 24 + 4 shl 16 + TCP_OPT_NOP shl 8 |
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328 | bswap ecx |
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329 | pushd ecx |
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330 | add di, 4 |
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331 | |||
332 | .no_syn: |
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333 | |||
334 | ;------------------------------------ |
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335 | ; Make the timestamp option if needed |
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336 | |||
337 | test [eax + TCP_SOCKET.t_flags], TF_REQ_TSTMP |
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338 | jz .no_timestamp |
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339 | |||
340 | test dl, TH_RST |
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341 | jnz .no_timestamp |
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342 | |||
343 | test dl, TH_ACK |
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344 | jz .timestamp |
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345 | |||
346 | test [eax + TCP_SOCKET.t_flags], TF_RCVD_TSTMP |
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347 | jz .no_timestamp |
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348 | |||
349 | .timestamp: |
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1761 | hidnplayr | 350 | mov ebx, [timer_ticks] |
351 | bswap ebx |
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352 | push ebx |
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1733 | hidnplayr | 353 | pushw 0 |
354 | pushd TCP_OPT_TIMESTAMP + 10 shl 8 + TCP_OPT_NOP shl 16 + TCP_OPT_NOP shl 24 |
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355 | add di, 10 |
||
356 | |||
357 | .no_timestamp: |
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358 | |||
1761 | hidnplayr | 359 | ; |
1733 | hidnplayr | 360 | |
361 | |||
1761 | hidnplayr | 362 | |
363 | |||
364 | |||
365 | |||
366 | |||
367 | |||
368 | .options_done: |
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369 | |||
370 | ; eax = socket ptr |
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371 | ; edx = flags |
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372 | ; edi = header size |
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373 | ; esi = data len |
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374 | |||
375 | ;--------------------------------------------- |
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376 | ; check if we dont exceed the max segment size (270) |
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377 | |||
378 | add esi, edi ; total TCP segment size |
||
379 | cmp esi, [eax + TCP_SOCKET.t_maxseg] |
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2300 | hidnplayr | 380 | jbe .no_overflow |
1761 | hidnplayr | 381 | |
382 | mov esi, [eax + TCP_SOCKET.t_maxseg] |
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383 | |||
384 | ;;; sendalot = 1 |
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385 | |||
386 | .no_overflow: |
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387 | |||
388 | ;----------------------------------------------------------------- |
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1733 | hidnplayr | 389 | ; Start by pushing all TCP header values in reverse order on stack |
1761 | hidnplayr | 390 | ; (essentially, creating the tcp header on the stack!) |
1733 | hidnplayr | 391 | |
392 | pushw 0 ; .UrgentPointer dw ? |
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393 | pushw 0 ; .Checksum dw ? |
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1830 | hidnplayr | 394 | pushw 0x00a0 ; .Window dw ? ;;;;;;; FIXME |
1733 | hidnplayr | 395 | shl edi, 2 ; .DataOffset db ? only 4 left-most bits |
396 | shl dx, 8 |
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397 | or dx, di ; .Flags db ? |
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398 | pushw dx |
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399 | shr edi, 2 ; .DataOffset db ? ;;;; |
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400 | |||
401 | push [eax + TCP_SOCKET.RCV_NXT] ; .AckNumber dd ? |
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402 | ntohd [esp] |
||
403 | |||
404 | push [eax + TCP_SOCKET.SND_NXT] ; .SequenceNumber dd ? |
||
405 | ntohd [esp] |
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406 | |||
407 | push [eax + TCP_SOCKET.RemotePort] ; .DestinationPort dw ? |
||
408 | ntohw [esp] |
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409 | |||
410 | push [eax + TCP_SOCKET.LocalPort] ; .SourcePort dw ? |
||
411 | ntohw [esp] |
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412 | |||
413 | push edi ; header size |
||
414 | |||
1761 | hidnplayr | 415 | ;--------------------- |
1733 | hidnplayr | 416 | ; Create the IP packet |
1761 | hidnplayr | 417 | |
418 | mov ecx, esi |
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419 | |||
1733 | hidnplayr | 420 | mov ebx, [eax + IP_SOCKET.LocalIP] ; source ip |
421 | mov eax, [eax + IP_SOCKET.RemoteIP] ; dest ip |
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422 | mov di, IP_PROTO_TCP shl 8 + 128 |
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423 | call IPv4_output |
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424 | jz .fail |
||
425 | |||
426 | ;----------------------------------------- |
||
427 | ; Move TCP header from stack to TCP packet |
||
428 | |||
429 | push ecx |
||
430 | mov ecx, [esp+4] |
||
431 | lea esi, [esp+4+4] |
||
432 | shr ecx, 2 |
||
433 | rep movsd |
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434 | pop ecx ; full TCP packet size |
||
435 | |||
436 | pop esi ; headersize |
||
437 | add esp, esi |
||
438 | |||
439 | mov [esp + 4], eax ; packet ptr |
||
440 | mov [esp + 4+4], edx ; packet size |
||
441 | |||
442 | mov edx, edi ; begin of data |
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443 | sub edx, esi ; begin of packet (edi = begin of data) |
||
444 | push ecx |
||
445 | sub ecx, esi ; data size |
||
446 | |||
447 | ;-------------- |
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448 | ; Copy the data |
||
449 | |||
450 | ; eax = ptr to ring struct |
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451 | ; ecx = buffer size |
||
452 | ; edi = ptr to buffer |
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453 | |||
1761 | hidnplayr | 454 | mov eax, [esp+4] ; get socket ptr |
455 | |||
456 | add [eax + TCP_SOCKET.SND_NXT], ecx ; update sequence number |
||
457 | |||
1733 | hidnplayr | 458 | add eax, STREAM_SOCKET.snd |
459 | push edx |
||
460 | call SOCKET_ring_read |
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1761 | hidnplayr | 461 | pop esi ; begin of data |
462 | pop ecx ; full packet size |
||
463 | pop eax ; socket ptr |
||
1733 | hidnplayr | 464 | |
1761 | hidnplayr | 465 | ;---------------------------------- |
466 | ; update sequence number and timers (400) |
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467 | |||
2305 | hidnplayr | 468 | test [esi + TCP_header.Flags], TH_SYN + TH_FIN |
1733 | hidnplayr | 469 | jz @f |
1761 | hidnplayr | 470 | inc [eax + TCP_SOCKET.SND_NXT] ; syn and fin take a sequence number |
2305 | hidnplayr | 471 | test [esi + TCP_header.Flags], TH_FIN |
1761 | hidnplayr | 472 | jz @f |
473 | or [eax + TCP_SOCKET.t_flags], TF_SENTFIN ; if we sent a fin, set the sentfin flag |
||
1733 | hidnplayr | 474 | @@: |
475 | |||
476 | mov edx, [eax + TCP_SOCKET.SND_NXT] |
||
477 | cmp edx, [eax + TCP_SOCKET.SND_MAX] |
||
2300 | hidnplayr | 478 | jbe @f |
1733 | hidnplayr | 479 | mov [eax + TCP_SOCKET.SND_MAX], edx |
480 | |||
481 | ;;;; TODO: time transmission (420) |
||
1761 | hidnplayr | 482 | |
1733 | hidnplayr | 483 | @@: |
484 | |||
1761 | hidnplayr | 485 | ; set retransmission timer if not already set, and not doing an ACK or keepalive probe |
1733 | hidnplayr | 486 | |
2301 | hidnplayr | 487 | cmp [eax + TCP_SOCKET.timer_retransmission], 1000 ;;;; FIXME |
2300 | hidnplayr | 488 | jb .retransmit_set |
1761 | hidnplayr | 489 | |
490 | cmp edx, [eax + TCP_SOCKET.SND_UNA] ; edx = [eax + TCP_SOCKET.SND_NXT] |
||
491 | je .retransmit_set |
||
492 | |||
493 | mov edx, [eax + TCP_SOCKET.t_rxtcur] |
||
494 | mov [eax + TCP_SOCKET.timer_retransmission], dx |
||
495 | |||
2362 | hidnplayr | 496 | cmp [eax + TCP_SOCKET.timer_persist], 0 |
497 | jne @f |
||
1761 | hidnplayr | 498 | mov [eax + TCP_SOCKET.timer_persist], 0 |
2362 | hidnplayr | 499 | mov [eax + TCP_SOCKET.t_rxtshift], 0 |
500 | @@: |
||
1761 | hidnplayr | 501 | |
502 | .retransmit_set: |
||
503 | |||
1733 | hidnplayr | 504 | ;-------------------- |
505 | ; Create the checksum |
||
506 | |||
507 | DEBUGF 1,"checksum: ptr=%x size=%u\n", esi, ecx |
||
508 | |||
509 | TCP_checksum (eax + IP_SOCKET.LocalIP), (eax + IP_SOCKET.RemoteIP) |
||
2305 | hidnplayr | 510 | mov [esi + TCP_header.Checksum], dx |
1733 | hidnplayr | 511 | |
1761 | hidnplayr | 512 | ; unlock socket |
513 | |||
514 | mov [eax + SOCKET.lock], 0 |
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515 | |||
1733 | hidnplayr | 516 | ;---------------- |
517 | ; Send the packet |
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518 | |||
519 | DEBUGF 1,"Sending TCP Packet to device %x\n", ebx |
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520 | call [ebx + NET_DEVICE.transmit] |
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521 | ret |
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522 | |||
523 | |||
524 | .fail: |
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525 | pop ecx |
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526 | add esp, ecx |
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1838 | hidnplayr | 527 | pop eax |
528 | add esp, 8 |
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1761 | hidnplayr | 529 | mov [eax + SOCKET.lock], 0 |
1733 | hidnplayr | 530 | DEBUGF 1,"TCP_output: failed\n" |
531 | ret |
||
532 |