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Kernel: Add the SO_BINDTODEVICE socket option

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This patch adds a way for a socket to ask to be routed through a
specific interface.
Currently, this option only applies to sending, however, it should also
apply to receiving...somehow :^)
This commit is contained in:
AnotherTest 2020-04-05 01:16:45 +04:30 • committed by Andreas Kling
parent 7d0bf9b5a9
commit 77191d82dc
10 changed files with 186 additions and 13 deletions
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4
Kernel/Net/TCPSocket.cpp
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@ -212,7 +212,7 @@ void TCPSocket::send_tcp_packet(u16 flags, const void* payload, size_t payload_s
return;
}
auto routing_decision = route_to(peer_address(), local_address());
auto routing_decision = route_to(peer_address(), local_address(), bound_interface());
ASSERT(!routing_decision.is_zero());
routing_decision.adapter->send_ipv4(
@ -225,7 +225,7 @@ void TCPSocket::send_tcp_packet(u16 flags, const void* payload, size_t payload_s
void TCPSocket::send_outgoing_packets()
{
auto routing_decision = route_to(peer_address(), local_address());
auto routing_decision = route_to(peer_address(), local_address(), bound_interface());
ASSERT(!routing_decision.is_zero());
auto now = kgettimeofday();