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Kernel/Net: Use monotonic time for TCP times

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These were using real time as a mistake before; changing the system time
during ongoing TCP connections shouldn’t break them.
This commit is contained in:
kleines Filmröllchen 2023-08-17 19:20:42 +02:00 • committed by Tim Schumacher
parent af2886449a
commit ed966a80e2
2 changed files with 9 additions and 6 deletions
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5
Kernel/Net/TCPSocket.h
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@ -10,6 +10,7 @@
#include <AK/Function.h>
#include <AK/HashMap.h>
#include <AK/SinglyLinkedList.h>
#include <AK/Time.h>
#include <Kernel/Library/LockWeakPtr.h>
#include <Kernel/Locking/MutexProtected.h>
#include <Kernel/Net/IPv4Socket.h>
@ -215,11 +216,11 @@ private:
u32 m_duplicate_acks { 0 };
u32 m_last_ack_number_sent { 0 };
UnixDateTime m_last_ack_sent_time;
MonotonicTime m_last_ack_sent_time;
// FIXME: Make this configurable (sysctl)
static constexpr u32 maximum_retransmits = 5;
UnixDateTime m_last_retransmit_time;
MonotonicTime m_last_retransmit_time;
u32 m_retransmit_attempts { 0 };
// Default to maximum window size. receive_tcp_packet() will update from the