fix band steering (#12)

added git autocompletion to devcontainer

Reviewed-on: #12
This commit was merged in pull request #12.
This commit is contained in:
2026-07-12 17:52:48 +01:00
parent fe1aa3cf7b
commit 696d4ac215
3 changed files with 55 additions and 54 deletions
+47 -54
View File
@@ -294,42 +294,6 @@ static int radio_uses_ath9k(const char *device_name)
return strstr(target, "ath9k") != NULL;
}
/* Detect a full hostapd/wpad package built with 802.11v WNM support. */
static int hostapd_supports_bss_transition(void)
{
static int cached = -1;
if (cached >= 0)
return cached;
cached = 0;
/*
* Do not search binary strings: basic wpad contains the option name in
* ancillary code even though its configuration parser rejects it.
*/
FILE *probe = popen(
"(apk info -e wpad >/dev/null 2>&1 || "
"apk info -e wpad-mbedtls >/dev/null 2>&1 || "
"apk info -e wpad-openssl >/dev/null 2>&1 || "
"apk info -e wpad-wolfssl >/dev/null 2>&1 || "
"apk info -e hostapd-mbedtls >/dev/null 2>&1 || "
"apk info -e hostapd-openssl >/dev/null 2>&1 || "
"apk info -e hostapd-wolfssl >/dev/null 2>&1 || "
"opkg status wpad 2>/dev/null | grep -q 'install ok installed' || "
"opkg status wpad-mbedtls 2>/dev/null | grep -q 'install ok installed' || "
"opkg status wpad-openssl 2>/dev/null | grep -q 'install ok installed' || "
"opkg status wpad-wolfssl 2>/dev/null | grep -q 'install ok installed') "
"&& echo true",
"r");
if (probe) {
char value[16] = {0};
if (fgets(value, sizeof(value), probe) &&
!strncmp(value, "true", 4))
cached = 1;
pclose(probe);
}
return cached;
}
/* Read a UniFi boolean while accepting names used by controller versions. */
static int json_boolean_any(struct json_object *object,
const char *const *keys, size_t key_count)
@@ -919,7 +883,8 @@ static int apply_vap(struct uci_context *ctx,
/* Enable the hostapd capabilities used by steering and 802.11v hints. */
const char *band_steer_keys[] = {
"band_steering", "band_steering_enabled", "steering_enabled"
"band_steering", "band_steering_enabled", "band_steering_mode",
"steering_enabled"
};
const char *handoff_keys[] = {
"bss_transition", "bss_transition_enabled",
@@ -934,8 +899,6 @@ static int apply_vap(struct uci_context *ctx,
sizeof(handoff_keys) / sizeof(handoff_keys[0]));
int rrm = band_steer || handoff;
int bss_transition_requested = band_steer || handoff;
int bss_transition = bss_transition_requested &&
hostapd_supports_bss_transition();
UCI_SET_INT(ctx, "wireless", sec_name, "openuf_band_steering",
band_steer);
@@ -944,15 +907,11 @@ static int apply_vap(struct uci_context *ctx,
UCI_SET_INT(ctx, "wireless", sec_name, "ieee80211k", rrm);
UCI_SET_INT(ctx, "wireless", sec_name, "rrm_neighbor_report", rrm);
UCI_SET_INT(ctx, "wireless", sec_name, "rrm_beacon_report", rrm);
/*
* The ucode Wi-Fi backend serializes even bss_transition=0. Reduced wpad
* rejects the unknown option, so omit it completely unless WNM exists.
*/
if (bss_transition)
UCI_SET_INT(ctx, "wireless", sec_name, "bss_transition", 1);
if (bss_transition_requested && !bss_transition)
printf("[openuf] Handoff Suggestions requested, but installed "
"hostapd lacks 802.11v WNM support; install wpad-mbedtls\n");
/* Enable 802.11v at runtime after hostapd starts. Putting this option
* in UCI makes builds without CONFIG_WNM_AP reject the entire BSS. */
if (bss_transition_requested)
UCI_SET_INT(ctx, "wireless", sec_name,
"openuf_bss_transition_requested", 1);
/* Record the controller VLAN for telemetry and diagnostics. */
if (vid > 0)
@@ -1089,7 +1048,7 @@ int wlan_apply_config(struct json_object *config_json,
disabled_defaults);
/* 3. Create VAPs and determine whether any WLAN requests steering. */
int band_steering_enabled = 0;
int steering_policy_enabled = 0;
if (vt_arr && json_object_is_type(vt_arr, json_type_array)) {
int nv = json_object_array_length(vt_arr);
for (int i = 0; i < nv; i++) {
@@ -1097,12 +1056,21 @@ int wlan_apply_config(struct json_object *config_json,
if (!vap) continue;
const char *band_steer_keys[] = {
"band_steering", "band_steering_enabled", "steering_enabled"
"band_steering", "band_steering_enabled",
"band_steering_mode", "steering_enabled"
};
const char *handoff_keys[] = {
"bss_transition", "bss_transition_enabled",
"bss_transition_management", "handoff_suggestions",
"handoff_suggestions_enabled", "ieee80211v"
};
if (json_boolean_any(vap, band_steer_keys,
sizeof(band_steer_keys) /
sizeof(band_steer_keys[0])))
band_steering_enabled = 1;
sizeof(band_steer_keys[0])) ||
json_boolean_any(vap, handoff_keys,
sizeof(handoff_keys) /
sizeof(handoff_keys[0])))
steering_policy_enabled = 1;
/* A VAP without an explicit band is a model-wide WLAN. */
const char *radio_band = NULL;
@@ -1155,7 +1123,7 @@ int wlan_apply_config(struct json_object *config_json,
uci_unload(ctx, pkg);
uci_free_context(ctx);
if (configure_band_steering(band_steering_enabled) != 0)
if (configure_band_steering(steering_policy_enabled) != 0)
printf("[openuf] Failed to configure the band steering policy\n");
/*
@@ -1215,6 +1183,30 @@ int wlan_apply_config(struct json_object *config_json,
printf("[openuf] %s failed after 2 start attempts\n", device);
}
/* Enable management features only after hostapd has registered each BSS.
* Unsupported WNM methods fail harmlessly without preventing AP startup. */
if (steering_policy_enabled) {
for (int i = 0; i < model->radio_map_len; i++) {
const char *device = wlan_device_for_band(
model, model->radio_map[i].band);
int phy_index = -1;
if (!device || sscanf(device, "radio%d", &phy_index) != 1)
continue;
char command[256];
snprintf(command, sizeof(command),
"ubus -S call hostapd.phy%d-ap0 bss_mgmt_enable "
"%c{ \"neighbor_report\": true, "
"\"beacon_report\": true, "
"\"bss_transition\": true }%c >/dev/null 2>&1",
phy_index, 39, 39);
if (system(command) != 0)
printf("[openuf] hostapd on phy%d lacks runtime 802.11v "
"support; continuing without BSS Transition\n",
phy_index);
}
}
/* Restart after hostapd has registered both BSSes on ubus. */
system("/etc/init.d/usteer restart >/dev/null 2>&1");
return 0;
@@ -1339,7 +1331,8 @@ int wlan_apply_system_cfg(const char *system_cfg,
json_object_new_boolean(!strcmp(value, "enabled")));
const char *band_steer_suffixes[] = {
"band_steering", "band_steering_enabled", "steering"
"band_steering", "band_steering_enabled", "band_steering_mode",
"steering"
};
for (size_t n = 0;
n < sizeof(band_steer_suffixes) /