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https://github.com/melonDS-emu/melonDS.git
synced 2025-07-26 07:39:56 -06:00
remove some cruft
This commit is contained in:
Arisotura
172
src/Wifi.cpp
172
src/Wifi.cpp
@ -1329,98 +1329,19 @@ void MPClientReplyRX(int client)
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return;
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return;
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u16 framelen;
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u16 framelen;
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u16 framectl;
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u8 txrate;
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u8 txrate;
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bool bssidmatch;
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u16 rxflags;
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u8* reply = &MPClientReplies[(client-1)*1024];
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u8* reply = &MPClientReplies[(client-1)*1024];
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framelen = *(u16*)&reply[10];
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framelen = *(u16*)&reply[10];
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framelen -= 4;
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framelen -= 4;
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txrate = reply[8];
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// TODO rework RX system so we don't need this (by reading directly into MPClientReplies)
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// TODO rework RX system so we don't need this (by reading directly into MPClientReplies)
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memcpy(RXBuffer, reply, 12+framelen);
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memcpy(RXBuffer, reply, 12+framelen);
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framectl = *(u16*)&RXBuffer[12+0];
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txrate = RXBuffer[8];
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u32 a_src, a_dst, a_bss;
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rxflags = 0x0010;
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switch (framectl & 0x000C)
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{
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case 0x0000: // management
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a_src = 10;
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a_dst = 4;
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a_bss = 16;
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if ((framectl & 0x00F0) == 0x0080)
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rxflags |= 0x0001;
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break;
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case 0x0004: // control
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printf("blarg\n");
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return;
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case 0x0008: // data
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switch (framectl & 0x0300)
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{
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case 0x0000: // STA to STA
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a_src = 10;
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a_dst = 4;
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a_bss = 16;
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break;
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case 0x0100: // STA to DS
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a_src = 10;
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a_dst = 16;
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a_bss = 4;
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break;
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case 0x0200: // DS to STA
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a_src = 16;
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a_dst = 4;
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a_bss = 10;
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break;
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case 0x0300: // DS to DS
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printf("blarg\n");
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return;
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}
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// TODO: those also trigger on other framectl values
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// like 0208 -> C
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framectl &= 0xE7FF;
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if (framectl == 0x0228) rxflags |= 0x000C; // MP host frame
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else if (framectl == 0x0218) rxflags |= 0x000D; // MP ack frame
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else if (framectl == 0x0118) rxflags |= 0x000E; // MP reply frame
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else if (framectl == 0x0158) rxflags |= 0x000F; // empty MP reply frame
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else rxflags |= 0x0008;
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break;
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}
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// TODO get rid of this cruft!!!
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if (MACEqual(&RXBuffer[12 + a_src], (u8*)&IOPORT(W_MACAddr0)))
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{
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printf("MAC equal??\n");
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return; // oops. we received a packet we just sent.
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}
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bssidmatch = MACEqual(&RXBuffer[12 + a_bss], (u8*)&IOPORT(W_BSSID0));
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//if (!(IOPORT(W_BSSID0) & 0x0001) && !(RXBuffer[12 + a_bss] & 0x01) &&
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if (!MACEqual(&RXBuffer[12 + a_dst], (u8*)&IOPORT(W_MACAddr0)) &&
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!(RXBuffer[12 + a_dst] & 0x01))
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{
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printf("dst MAC bad\n");
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PRINT_MAC("frame: ", &RXBuffer[12+a_dst]);
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PRINT_MAC("mac: ", (u8*)&IOPORT(W_MACAddr0));
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return;
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}
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// make RX header
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if (bssidmatch) rxflags |= 0x8000;
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*(u16*)&RXBuffer[0] = rxflags;
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*(u16*)&RXBuffer[2] = 0x0040; // ???
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*(u16*)&RXBuffer[6] = txrate;
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*(u16*)&RXBuffer[6] = txrate;
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*(u16*)&RXBuffer[8] = framelen;
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*(u16*)&RXBuffer[8] = framelen;
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*(u16*)&RXBuffer[10] = 0x4080; // min/max RSSI. dunno
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RXTimestamp = 0;
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RXTimestamp = 0;
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StartRX();
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StartRX();
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@ -1441,8 +1362,6 @@ bool CheckRX(int type) // 0=regular 1=MP replies 2=MP host frames
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u16 framelen;
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u16 framelen;
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u16 framectl;
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u16 framectl;
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u8 txrate;
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u8 txrate;
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bool bssidmatch;
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u16 rxflags;
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u64 timestamp;
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u64 timestamp;
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for (;;)
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for (;;)
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@ -1479,97 +1398,14 @@ bool CheckRX(int type) // 0=regular 1=MP replies 2=MP host frames
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framectl = *(u16*)&RXBuffer[12+0];
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framectl = *(u16*)&RXBuffer[12+0];
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txrate = RXBuffer[8];
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txrate = RXBuffer[8];
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u32 a_src, a_dst, a_bss;
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rxflags = 0x0010;
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switch (framectl & 0x000C)
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{
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case 0x0000: // management
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a_src = 10;
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a_dst = 4;
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a_bss = 16;
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if ((framectl & 0x00F0) == 0x0080)
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rxflags |= 0x0001;
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break;
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case 0x0004: // control
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printf("blarg\n");
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continue;
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case 0x0008: // data
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switch (framectl & 0x0300)
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{
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case 0x0000: // STA to STA
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a_src = 10;
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a_dst = 4;
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a_bss = 16;
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break;
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case 0x0100: // STA to DS
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a_src = 10;
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a_dst = 16;
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a_bss = 4;
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break;
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case 0x0200: // DS to STA
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a_src = 16;
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a_dst = 4;
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a_bss = 10;
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break;
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case 0x0300: // DS to DS
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printf("blarg\n");
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continue;
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}
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// TODO: those also trigger on other framectl values
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// like 0208 -> C
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// actually these don't depend on the framectl but on the destination MAC!!
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framectl &= 0xE7FF;
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if (framectl == 0x0228) rxflags |= 0x000C; // MP host frame
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else if (framectl == 0x0218) rxflags |= 0x000D; // MP ack frame
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else if (framectl == 0x0118) rxflags |= 0x000E; // MP reply frame
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else if (framectl == 0x0158) rxflags |= 0x000F; // empty MP reply frame
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else rxflags |= 0x0008;
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break;
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}
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// TODO get rid of this
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// ensuring we don't receive our own crap is the responsibility of the comm layer!!
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if (MACEqual(&RXBuffer[12 + a_src], (u8*)&IOPORT(W_MACAddr0)))
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continue; // oops. we received a packet we just sent.
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bssidmatch = MACEqual(&RXBuffer[12 + a_bss], (u8*)&IOPORT(W_BSSID0));
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//if (!(IOPORT(W_BSSID0) & 0x0001) && !(RXBuffer[12 + a_bss] & 0x01) &&
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if (!MACEqual(&RXBuffer[12 + a_dst], (u8*)&IOPORT(W_MACAddr0)) &&
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!(RXBuffer[12 + a_dst] & 0x01))
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{
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printf("received packet %04X but it didn't pass the MAC check\n", framectl);
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printf("DST: %02X:%02X:%02X:%02X:%02X:%02X\n",
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RXBuffer[12 + a_dst + 0], RXBuffer[12 + a_dst + 1], RXBuffer[12 + a_dst + 2],
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RXBuffer[12 + a_dst + 3], RXBuffer[12 + a_dst + 4], RXBuffer[12 + a_dst + 5]);
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printf("BSS: %02X:%02X:%02X:%02X:%02X:%02X\n",
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RXBuffer[12 + a_bss + 0], RXBuffer[12 + a_bss + 1], RXBuffer[12 + a_bss + 2],
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RXBuffer[12 + a_bss + 3], RXBuffer[12 + a_bss + 4], RXBuffer[12 + a_bss + 5]);
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continue;
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}
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break;
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break;
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}
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}
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WIFI_LOG("wifi: received packet FC:%04X SN:%04X CL:%04X RXT:%d CMT:%d\n",
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WIFI_LOG("wifi: received packet FC:%04X SN:%04X CL:%04X RXT:%d CMT:%d\n",
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framectl, *(u16*)&RXBuffer[12+4+6+6+6], *(u16*)&RXBuffer[12+4+6+6+6+2+2], framelen*4, IOPORT(W_CmdReplyTime));
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framectl, *(u16*)&RXBuffer[12+4+6+6+6], *(u16*)&RXBuffer[12+4+6+6+6+2+2], framelen*4, IOPORT(W_CmdReplyTime));
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// make RX header
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/*if ((rxflags&0xF)==0xD)
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{
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u16 clientfail = *(u16*)&RXBuffer[12+0x1A];
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if (clientfail) printf("CLIENT FAIL: %04X\n", clientfail);
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}*/
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if (bssidmatch) rxflags |= 0x8000;
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*(u16*)&RXBuffer[0] = rxflags;
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*(u16*)&RXBuffer[2] = 0x0040; // ???
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*(u16*)&RXBuffer[6] = txrate;
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*(u16*)&RXBuffer[6] = txrate;
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*(u16*)&RXBuffer[8] = framelen;
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*(u16*)&RXBuffer[8] = framelen;
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*(u16*)&RXBuffer[10] = 0x4080; // min/max RSSI. dunno
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if (((framectl & 0x00FF) == 0x0010) && timestamp)
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if (((framectl & 0x00FF) == 0x0010) && timestamp)
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{
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{
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@ -1583,7 +1419,7 @@ bool CheckRX(int type) // 0=regular 1=MP replies 2=MP host frames
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IsMPClient = true;
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IsMPClient = true;
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USTimestamp = timestamp;
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USTimestamp = timestamp;
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NextSync = USTimestamp;// + 1024;//512; // TODO: tweak this!
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NextSync = RXTimestamp + (framelen * (txrate==0x14 ? 4:8));
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}
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}
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RXTimestamp = 0;
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RXTimestamp = 0;
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@ -1607,7 +1443,7 @@ bool CheckRX(int type) // 0=regular 1=MP replies 2=MP host frames
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if (RXTimestamp < USTimestamp) RXTimestamp = USTimestamp;
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if (RXTimestamp < USTimestamp) RXTimestamp = USTimestamp;
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NextSync = RXTimestamp + (framelen * (txrate==0x14 ? 4:8));
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NextSync = RXTimestamp + (framelen * (txrate==0x14 ? 4:8));
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if ((rxflags & 0xF) == 0xC)
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if (MACEqual(&RXBuffer[12 + 4], MPCmdMAC))
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{
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{
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u16 clienttime = *(u16*)&RXBuffer[12+24];
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u16 clienttime = *(u16*)&RXBuffer[12+24];
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u16 clientmask = *(u16*)&RXBuffer[12+26];
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u16 clientmask = *(u16*)&RXBuffer[12+26];
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