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Kernel: Avoid allocating KBuffers for TCP packets

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This avoids allocating a KBuffer for each incoming TCP packet.
This commit is contained in:
Gunnar Beutner 2021-05-11 19:47:40 +02:00 • committed by Andreas Kling
commit 5feeb62843
Notes: sideshowbarker 2024-07-18 18:18:11 +09:00
3 changed files with 7 additions and 7 deletions
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4
Kernel/Net/IPv4Socket.cpp
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@ -369,7 +369,7 @@ KResultOr<size_t> IPv4Socket::recvfrom(FileDescription& description, UserOrKerne
return nreceived;
}
bool IPv4Socket::did_receive(const IPv4Address& source_address, u16 source_port, KBuffer&& packet, const Time& packet_timestamp)
bool IPv4Socket::did_receive(const IPv4Address& source_address, u16 source_port, ReadonlyBytes packet, const Time& packet_timestamp)
{
Locker locker(lock());
@ -398,7 +398,7 @@ bool IPv4Socket::did_receive(const IPv4Address& source_address, u16 source_port,
dbgln("IPv4Socket({}): did_receive refusing packet since queue is full.", this);
return false;
}
m_receive_queue.append({ source_address, source_port, packet_timestamp, move(packet) });
m_receive_queue.append({ source_address, source_port, packet_timestamp, KBuffer::copy(packet.data(), packet.size()) });
set_can_read(true);
}
m_bytes_received += packet_size;