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fix slirp crash when exiting without having inited slirp

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also fix misc bugs
This commit is contained in:
Arisotura 2020-06-16 14:09:54 +02:00
parent 1101ed773b
commit 91ff63a194
2 changed files with 33 additions and 5 deletions
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25
src/DSi_NWifi.cpp
View File

@ -1211,9 +1211,16 @@ void DSi_NWifi::WMI_SendPacket(u16 len)
}
u16 hdr = MB_Read16(0);
if (hdr != 0x0000)
hdr = ((hdr & 0xFF00) >> 8) | ((hdr & 0x00FF) << 8);
if (hdr & 0x0003)
{
printf("WMI: special frame %04X\n", hdr);
printf("WMI: special frame %04X len=%d\n", hdr, len);
for (int i = 0; i < len-2; i++)
{
printf("%02X ", Mailbox[0]->Read());
if ((i&0xF)==0xF) printf("\n");
}
printf("\n");
return;
}
@ -1252,11 +1259,18 @@ void DSi_NWifi::WMI_SendPacket(u16 len)
memcpy(&LANBuffer[0], dstmac, 6); // destination MAC
memcpy(&LANBuffer[6], srcmac, 6); // source MAC
*(u16*)&LANBuffer[12] = ethertype; // type
for (int i = 0; i < lan_len; i++)
for (int i = 0; i < lan_len-14; i++)
{
LANBuffer[14+i] = Mailbox[0]->Read();
}
for (int i = 0; i < lan_len; i++)
{
printf("%02X ", LANBuffer[i]);
if ((i&0xF)==0xF) printf("\n");
}
printf("\n");
Platform::LAN_SendPacket(LANBuffer, lan_len);
}
@ -1373,6 +1387,7 @@ void DSi_NWifi::CheckRX()
int rxlen = Platform::LAN_RecvPacket(LANBuffer);
if (rxlen > 0)
{
printf("WMI packet recv %04X %04X %04X\n", *(u16*)&LANBuffer[0], *(u16*)&LANBuffer[2], *(u16*)&LANBuffer[4]);
// check destination MAC
if (*(u32*)&LANBuffer[0] != 0xFFFFFFFF || *(u16*)&LANBuffer[4] != 0xFFFF)
{
@ -1380,6 +1395,10 @@ void DSi_NWifi::CheckRX()
return;
}
// check source MAC, in case we get a packet we just sent out
if (!memcmp(&LANBuffer[6], &EEPROM[0x00A], 6))
return;
// packet is good
printf("WMI: receive packet %04X, len=%d\n", *(u16*)&LANBuffer[12], rxlen);

13
src/frontend/qt_sdl/LAN_Socket.cpp
View File

@ -52,7 +52,7 @@ volatile int RXNum;
u32 IPv4ID;
Slirp* Ctx;
Slirp* Ctx = nullptr;
const int FDListMax = 64;
struct pollfd FDList[FDListMax];
@ -164,6 +164,7 @@ void SlirpCbUnregisterPollFD(int fd, void* opaque)
void SlirpCbNotify(void* opaque)
{
printf("Slirp: notify???\n");
}
SlirpCb cb =
@ -205,7 +206,11 @@ bool Init()
void DeInit()
{
slirp_cleanup(Ctx);
if (Ctx)
{
slirp_cleanup(Ctx);
Ctx = nullptr;
}
}
@ -411,6 +416,8 @@ void HandleDNSFrame(u8* data, int len)
int SendPacket(u8* data, int len)
{
if (!Ctx) return 0;
if (len > 2048)
{
printf("LAN_SendPacket: error: packet too long (%d)\n", len);
@ -496,6 +503,8 @@ int SlirpCbGetREvents(int idx, void* opaque)
int RecvPacket(u8* data)
{
if (!Ctx) return 0;
int ret = 0;
if (FDListSize > 0)