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Merge pull request #139 from rakslice/tap_broadcast

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Accept eth and atalk broadcast/multicast packets when using TAP in Windows
This commit is contained in:
asvitkine 2017-10-11 21:31:44 -04:00 committed by GitHub
commit 82f288f302
1 changed files with 10 additions and 2 deletions
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12
BasiliskII/src/Windows/ether_windows.cpp
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@ -1387,6 +1387,9 @@ unsigned int WINAPI slirp_receive_func(void *arg)
return 0;
}
const uint8 ether_broadcast_addr[6] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
const uint8 appletalk_broadcast_addr[6] = { 0x09, 0x00, 0x07, 0xFF, 0xFF, 0xFF };
const uint8 appletalk_zone_multicast_prefix[5] = { 0x09, 0x00, 0x07, 0x00, 0x00 };
/*
* Packet reception threads
@ -1425,10 +1428,15 @@ VOID CALLBACK packet_read_completion(
break;
}
}
// XXX drop packets that are not for us
// XXX drop packets that we don't care about
if (net_if_type == NET_IF_TAP) {
if (memcmp((LPBYTE)lpPacket->Buffer, ether_addr, 6) != 0)
if (memcmp((LPBYTE)lpPacket->Buffer, ether_addr, 6) != 0 &&
memcmp((LPBYTE)lpPacket->Buffer, ether_broadcast_addr, 6) != 0 &&
memcmp((LPBYTE)lpPacket->Buffer, appletalk_broadcast_addr, 6) != 0 &&
memcmp((LPBYTE)lpPacket->Buffer, appletalk_zone_multicast_prefix, 5) != 0
) {
dwNumberOfBytesTransfered = 0;
}
}
if(dwNumberOfBytesTransfered) {
if(net_if_type != NET_IF_ROUTER || !router_read_packet((uint8 *)lpPacket->Buffer, dwNumberOfBytesTransfered)) {