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pc/wifi: restore optional MAC-address reporting

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Issue #4133
This commit is contained in:
Christian Helmuth 2023-02-07 16:35:46 +01:00
parent 208547e3af
commit 52fb4eee5f
2 changed files with 72 additions and 0 deletions
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8
repos/pc/src/lib/wifi/socket_call.cc
View File

@ -15,6 +15,7 @@
#include <base/allocator.h>
#include <base/env.h>
#include <base/log.h>
#include <net/mac_address.h>
/* DDE Linux includes */
#include <wifi/socket_call.h>
@ -470,13 +471,20 @@ class Lx::Socket
static Lx::Socket *_socket;
/* implemented in wlan.cc */
extern Genode::Blockade *wpa_blockade;
/* implemented in wlan.cc */
void _wifi_report_mac_address(Net::Mac_address const &mac_address);
extern "C" int socketcall_task_function(void *)
{
static Lx::Socket inst(Lx_kit::env().env.ep());
_socket = &inst;
_wifi_report_mac_address({ (void *) lx_get_mac_addr() });
wpa_blockade->wakeup();
while (true) {

64
repos/pc/src/lib/wifi/wlan.cc
View File

@ -15,6 +15,8 @@
#include <base/attached_rom_dataspace.h>
#include <base/component.h>
#include <base/env.h>
#include <os/reporter.h>
#include <net/mac_address.h>
#include <genode_c_api/uplink.h>
/* DDE Linux includes */
@ -89,6 +91,64 @@ extern "C" char const *wifi_ifname(void)
return "wlan0";
}
struct Mac_address_reporter
{
bool _enabled = false;
Net::Mac_address _mac_address { };
Constructible<Reporter> _reporter { };
Env &_env;
Signal_context_capability _sigh;
Mac_address_reporter(Env &env, Signal_context_capability sigh)
: _env(env), _sigh(sigh)
{
Attached_rom_dataspace config { _env, "config" };
config.xml().with_optional_sub_node("report", [&] (Xml_node const &xml) {
_enabled = xml.attribute_value("mac_address", false); });
}
void mac_address(Net::Mac_address const &mac_address)
{
_mac_address = mac_address;
Signal_transmitter(_sigh).submit();
}
void report()
{
if (!_enabled)
return;
_reporter.construct(_env, "devices");
_reporter->enabled(true);
Reporter::Xml_generator report(*_reporter, [&] () {
report.node("nic", [&] () {
report.attribute("mac_address", String<32>(_mac_address));
});
});
/* report only once */
_enabled = false;
}
};
Constructible<Mac_address_reporter> mac_address_reporter;
/* used from socket_call.cc */
void _wifi_report_mac_address(Net::Mac_address const &mac_address)
{
mac_address_reporter->mac_address(mac_address);
}
struct Wlan
{
Env &_env;
@ -103,10 +163,14 @@ struct Wlan
}
genode_uplink_notify_peers();
mac_address_reporter->report();
}
Wlan(Env &env) : _env { env }
{
mac_address_reporter.construct(_env, _signal_handler);
genode_uplink_init(genode_env_ptr(_env),
genode_allocator_ptr(Lx_kit::env().heap),
genode_signal_handler_ptr(_signal_handler));