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DEV9: Pcap loop instead of returning on invalid packet 

Should improve pcap bridged performance when lots of unrelated network traffic is present.
This commit is contained in:
TheLastRar 2023-01-22 17:14:07 +00:00 committed by refractionpcsx2
parent dc9f61e70a
commit bf21254b13
1 changed files with 12 additions and 11 deletions
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23
pcsx2/DEV9/pcap_io.cpp
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@ -150,12 +150,14 @@ bool PCAPAdapter::recv(NetPacket* pkt)
pcap_pkthdr* header;
const u_char* pkt_data;
if (pcap_next_ex(hpcap, &header, &pkt_data) > 0)
// pcap bridged will pick up packets not intended for us, returning false on those packets will incur a 1ms wait.
// This delays getting packets we need, so instead loop untill a valid packet, or no packet, is returned from pcap_next_ex.
while (pcap_next_ex(hpcap, &header, &pkt_data) > 0)
{
if (header->len > sizeof(pkt->buffer))
{
Console.Error("DEV9: Dropped jumbo frame of size: %u", header->len);
return false;
continue;
}
pxAssert(header->len == header->caplen);
@ -168,17 +170,16 @@ bool PCAPAdapter::recv(NetPacket* pkt)
if (hpcap_dumper)
pcap_dump((u_char*)hpcap_dumper, header, pkt_data);
}
else
return false;
if (VerifyPkt(pkt, header->len))
{
InspectRecv(pkt);
return true;
if (VerifyPkt(pkt, header->len))
{
InspectRecv(pkt);
return true;
}
// continue.
}
else
return false;
return false;
}
//sends the packet .rv :true success
bool PCAPAdapter::send(NetPacket* pkt)