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Kernel: Add support for route flags

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Previously the routing table did not store the route flags. This
adds basic support and exposes them in the /proc directory so that a
userspace caller can query the route and identify the type of each
route.
This commit is contained in:
brapru 2022-05-09 07:23:02 -04:00 • committed by Andreas Kling
parent 210c3f24cd
commit 7a4e41f8f8
5 changed files with 12 additions and 8 deletions
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8
Kernel/Net/Routing.h
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@ -15,22 +15,24 @@
namespace Kernel {
struct Route : public RefCounted<Route> {
Route(IPv4Address const& destination, IPv4Address const& gateway, IPv4Address const& netmask, NonnullRefPtr<NetworkAdapter> adapter)
Route(IPv4Address const& destination, IPv4Address const& gateway, IPv4Address const& netmask, u16 flags, NonnullRefPtr<NetworkAdapter> adapter)
: destination(destination)
, gateway(gateway)
, netmask(netmask)
, flags(flags)
, adapter(adapter)
{
}
bool operator==(Route const& other) const
{
return destination == other.destination && gateway == other.gateway && netmask == other.netmask && adapter.ptr() == other.adapter.ptr();
return destination == other.destination && gateway == other.gateway && netmask == other.netmask && flags == other.flags && adapter.ptr() == other.adapter.ptr();
}
const IPv4Address destination;
const IPv4Address gateway;
const IPv4Address netmask;
const u16 flags;
NonnullRefPtr<NetworkAdapter> adapter;
IntrusiveListNode<Route, RefPtr<Route>> route_list_node {};
@ -50,7 +52,7 @@ enum class UpdateTable {
};
void update_arp_table(IPv4Address const&, MACAddress const&, UpdateTable update);
ErrorOr<void> update_routing_table(IPv4Address const& destination, IPv4Address const& gateway, IPv4Address const& netmask, RefPtr<NetworkAdapter> const adapter, UpdateTable update);
ErrorOr<void> update_routing_table(IPv4Address const& destination, IPv4Address const& gateway, IPv4Address const& netmask, u16 flags, RefPtr<NetworkAdapter> const adapter, UpdateTable update);
enum class AllowUsingGateway {
Yes,