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TCP: Log packet metadata when receiving a TCP packet with no socket

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This commit is contained in:
Andreas Kling
2019-12-14 13:03:26 +01:00
parent 9d67a6ba34
commit 8de5a0be41
1 changed files with 14 additions and 0 deletions
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14
Kernel/Net/NetworkTask.cpp
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@@ -367,6 +367,20 @@ void handle_tcp(const IPv4Packet& ipv4_packet)
auto socket = TCPSocket::from_tuple(tuple);
if (!socket) {
kprintf("handle_tcp: No TCP socket for tuple %s\n", tuple.to_string().characters());
kprintf("handle_tcp: source=%s:%u, destination=%s:%u seq_no=%u, ack_no=%u, flags=%w (%s%s%s%s), window_size=%u, payload_size=%u\n",
ipv4_packet.source().to_string().characters(),
tcp_packet.source_port(),
ipv4_packet.destination().to_string().characters(),
tcp_packet.destination_port(),
tcp_packet.sequence_number(),
tcp_packet.ack_number(),
tcp_packet.flags(),
tcp_packet.has_syn() ? "SYN " : "",
tcp_packet.has_ack() ? "ACK " : "",
tcp_packet.has_fin() ? "FIN " : "",
tcp_packet.has_rst() ? "RST " : "",
tcp_packet.window_size(),
payload_size);
return;
}