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Kernel: Don't use delayed ACKs when establishing the connection

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When establishing the connection we should send ACKs right away so
as to not delay the connection process. This didn't previously
matter because we'd flush all delayed ACKs when NetworkTask waits
for incoming packets.
This commit is contained in:
Gunnar Beutner 2021-05-13 08:19:13 +02:00 • committed by Andreas Kling
parent aea709de31
commit 990b2d0989
1 changed files with 2 additions and 2 deletions
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4
Kernel/Net/NetworkTask.cpp
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@ -435,12 +435,12 @@ void handle_tcp(const IPv4Packet& ipv4_packet, const Time& packet_timestamp)
switch (tcp_packet.flags()) {
case TCPFlags::SYN:
socket->set_ack_number(tcp_packet.sequence_number() + payload_size + 1);
send_delayed_tcp_ack(socket);
unused_rc = socket->send_ack(true);
socket->set_state(TCPSocket::State::SynReceived);
return;
case TCPFlags::ACK | TCPFlags::SYN:
socket->set_ack_number(tcp_packet.sequence_number() + payload_size + 1);
send_delayed_tcp_ack(socket);
unused_rc = socket->send_ack(true);
socket->set_state(TCPSocket::State::Established);
socket->set_setup_state(Socket::SetupState::Completed);
socket->set_connected(true);