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iwd
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station: Use Affinities property to change roaming threshold 

When the affinity is set to the current BSS lower the roaming
threshold to loosly lock IWD to the current BSS. The lower
threshold is automatically removed upon roaming/disconnection
since the affinity array is also cleared out.
This commit is contained in:
James Prestwood 2024-08-28 12:24:26 -07:00 committed by Denis Kenzior
parent f4ec1ee509
commit 2ad9561069
1 changed files with 17 additions and 0 deletions
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17
src/station.c
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@ -4601,6 +4601,9 @@ static void station_affinity_disconnected_cb(struct l_dbus *dbus,
station->affinity_watch = 0; station->affinity_watch = 0;
l_debug("client that set affinity has disconnected"); l_debug("client that set affinity has disconnected");
/* The client who set the affinity disconnected, raise the threshold */
netdev_raise_signal_threshold(station->netdev);
} }
static void station_affinity_watch_destroy(void *user_data) static void station_affinity_watch_destroy(void *user_data)
@ -4633,6 +4636,7 @@ static struct l_dbus_message *station_property_set_affinities(
const char *new_path = NULL; const char *new_path = NULL;
struct scan_bss *new_bss = NULL; struct scan_bss *new_bss = NULL;
struct scan_bss *old_bss = NULL; struct scan_bss *old_bss = NULL;
bool lower_threshold = false;
if (!station->connected_network) if (!station->connected_network)
return dbus_error_not_connected(message); return dbus_error_not_connected(message);
@ -4686,6 +4690,8 @@ static struct l_dbus_message *station_property_set_affinities(
if (new_path) { if (new_path) {
l_queue_push_head(station->affinities, l_strdup(new_path)); l_queue_push_head(station->affinities, l_strdup(new_path));
lower_threshold = true;
if (!station->affinity_watch) { if (!station->affinity_watch) {
station->affinity_client = l_strdup(sender); station->affinity_client = l_strdup(sender);
station->affinity_watch = l_dbus_add_disconnect_watch( station->affinity_watch = l_dbus_add_disconnect_watch(
@ -4698,6 +4704,17 @@ static struct l_dbus_message *station_property_set_affinities(
} else if (station->affinity_watch) } else if (station->affinity_watch)
l_dbus_remove_watch(dbus, station->affinity_watch); l_dbus_remove_watch(dbus, station->affinity_watch);
/*
* If affinity was set to the current BSS, lower the roam threshold. If
* the connected BSS was not in the list raise the signal threshold.
* The threshold may already be raised, in which case netdev will detect
* this and do nothing.
*/
if (lower_threshold)
netdev_lower_signal_threshold(station->netdev);
else
netdev_raise_signal_threshold(station->netdev);
complete(dbus, message, NULL); complete(dbus, message, NULL);
l_dbus_property_changed(dbus, netdev_get_path(station->netdev), l_dbus_property_changed(dbus, netdev_get_path(station->netdev),