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DEV9: More strictly enforce MTU in pcap

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TheLastRar
2024-06-14 21:41:21 +02:00
committed by lightningterror
parent 7aea867a66
commit bf50bad287
1 changed files with 3 additions and 1 deletions
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pcsx2/DEV9/pcap_io.cpp
+3 -1
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@@ -126,7 +126,9 @@ bool PCAPAdapter::recv(NetPacket* pkt)
// 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))
// 1514 is the largest etherframe we can get with an MTU of 1500 (assuming no VLAN tagging).
// We don't (typically?) get the FCS, and we might need to strip it if we do.
if (header->len > 1514)
{
Console.Error("DEV9: Dropped jumbo frame of size: %u", header->len);
continue;