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Kernel+LibC: Add support for the IPv4 TOS field via the IP_TOS sockopt

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This commit is contained in:
Idan Horowitz 2021-10-27 23:20:24 +03:00 • committed by Andreas Kling
parent 20c7fcfedf
commit adc9939a7b
9 changed files with 37 additions and 8 deletions
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3
Kernel/Net/NetworkAdapter.cpp
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@ -47,7 +47,7 @@ void NetworkAdapter::send(const MACAddress& destination, const ARPPacket& packet
send_packet({ (const u8*)eth, size_in_bytes });
}
void NetworkAdapter::fill_in_ipv4_header(PacketWithTimestamp& packet, IPv4Address const& source_ipv4, MACAddress const& destination_mac, IPv4Address const& destination_ipv4, IPv4Protocol protocol, size_t payload_size, u8 ttl)
void NetworkAdapter::fill_in_ipv4_header(PacketWithTimestamp& packet, IPv4Address const& source_ipv4, MACAddress const& destination_mac, IPv4Address const& destination_ipv4, IPv4Protocol protocol, size_t payload_size, u8 type_of_service, u8 ttl)
{
size_t ipv4_packet_size = sizeof(IPv4Packet) + payload_size;
VERIFY(ipv4_packet_size <= mtu());
@ -62,6 +62,7 @@ void NetworkAdapter::fill_in_ipv4_header(PacketWithTimestamp& packet, IPv4Addres
auto& ipv4 = *(IPv4Packet*)eth.payload();
ipv4.set_version(4);
ipv4.set_internet_header_length(5);
ipv4.set_dscp_and_ecn(type_of_service);
ipv4.set_source(source_ipv4);
ipv4.set_destination(destination_ipv4);
ipv4.set_protocol((u8)protocol);