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Kernel: When receiving unexpected TCP flags, print the flags

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It'll be easier to understand what might be happening if we know which
unexpected flags are actually showing up. :^)
This commit is contained in:
Andreas Kling 2022-03-17 15:28:56 +01:00
parent f0dde1cee1
commit 6625edb5d2
1 changed files with 2 additions and 2 deletions
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4
Kernel/Net/NetworkTask.cpp
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@ -435,11 +435,11 @@ void handle_tcp(IPv4Packet const& ipv4_packet, Time const& packet_timestamp)
switch (socket->state()) { switch (socket->state()) {
case TCPSocket::State::Closed: case TCPSocket::State::Closed:
dbgln("handle_tcp: unexpected flags in Closed state"); dbgln("handle_tcp: unexpected flags in Closed state ({:x})", tcp_packet.flags());
// TODO: we may want to send an RST here, maybe as a configurable option // TODO: we may want to send an RST here, maybe as a configurable option
return; return;
case TCPSocket::State::TimeWait: case TCPSocket::State::TimeWait:
dbgln("handle_tcp: unexpected flags in TimeWait state"); dbgln("handle_tcp: unexpected flags in TimeWait state ({:x})", tcp_packet.flags());
(void)socket->send_tcp_packet(TCPFlags::RST); (void)socket->send_tcp_packet(TCPFlags::RST);
socket->set_state(TCPSocket::State::Closed); socket->set_state(TCPSocket::State::Closed);
return; return;