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authorDavid Bauer <mail@david-bauer.net>2022-03-30 00:31:26 +0200
committerDavid Bauer <mail@david-bauer.net>2022-04-08 01:19:18 +0200
commit965aa33a18c76bb2d5a1eeb0cfa01501b08e784a (patch)
tree4c5e757027f355f9829872608269aaa625e05a02
parent2ca5c3da04c3f05a7477ae484768e03d4ca30711 (diff)
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hostapd: add ubus method for requesting link measurements
Add a ubus method to request link-measurements from connected STAs. In addition to the STAs address, the used and maximum transmit power can be provided by the external process for the link-measurement. If they are not provided, 0 is used as the default value. Signed-off-by: David Bauer <mail@david-bauer.net>
-rw-r--r--package/network/services/hostapd/src/src/ap/ubus.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/package/network/services/hostapd/src/src/ap/ubus.c b/package/network/services/hostapd/src/src/ap/ubus.c
index 83de03b05b..5aad5a7dd5 100644
--- a/package/network/services/hostapd/src/src/ap/ubus.c
+++ b/package/network/services/hostapd/src/src/ap/ubus.c
@@ -1347,6 +1347,70 @@ hostapd_rrm_beacon_req(struct ubus_context *ctx, struct ubus_object *obj,
return 0;
}
+enum {
+ LM_REQ_ADDR,
+ LM_REQ_TX_POWER_USED,
+ LM_REQ_TX_POWER_MAX,
+ __LM_REQ_MAX,
+};
+
+static const struct blobmsg_policy lm_req_policy[__LM_REQ_MAX] = {
+ [LM_REQ_ADDR] = { "addr", BLOBMSG_TYPE_STRING },
+ [LM_REQ_TX_POWER_USED] = { "tx-power-used", BLOBMSG_TYPE_INT32 },
+ [LM_REQ_TX_POWER_MAX] = { "tx-power-max", BLOBMSG_TYPE_INT32 },
+};
+
+static int
+hostapd_rrm_lm_req(struct ubus_context *ctx, struct ubus_object *obj,
+ struct ubus_request_data *ureq, const char *method,
+ struct blob_attr *msg)
+{
+ struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
+ struct blob_attr *tb[__LM_REQ_MAX];
+ struct wpabuf *buf;
+ u8 addr[ETH_ALEN];
+ int ret;
+ int8_t txp_used, txp_max;
+
+ txp_used = 0;
+ txp_max = 0;
+
+ blobmsg_parse(lm_req_policy, __LM_REQ_MAX, tb, blob_data(msg), blob_len(msg));
+
+ if (!tb[LM_REQ_ADDR])
+ return UBUS_STATUS_INVALID_ARGUMENT;
+
+ if (tb[LM_REQ_TX_POWER_USED])
+ txp_used = (int8_t) blobmsg_get_u32(tb[LM_REQ_TX_POWER_USED]);
+
+ if (tb[LM_REQ_TX_POWER_MAX])
+ txp_max = (int8_t) blobmsg_get_u32(tb[LM_REQ_TX_POWER_MAX]);
+
+ if (hwaddr_aton(blobmsg_data(tb[LM_REQ_ADDR]), addr))
+ return UBUS_STATUS_INVALID_ARGUMENT;
+
+ buf = wpabuf_alloc(5);
+ if (!buf)
+ return UBUS_STATUS_UNKNOWN_ERROR;
+
+ wpabuf_put_u8(buf, WLAN_ACTION_RADIO_MEASUREMENT);
+ wpabuf_put_u8(buf, WLAN_RRM_LINK_MEASUREMENT_REQUEST);
+ wpabuf_put_u8(buf, 1);
+ /* TX-Power used */
+ wpabuf_put_u8(buf, txp_used);
+ /* Max TX Power */
+ wpabuf_put_u8(buf, txp_max);
+
+ ret = hostapd_drv_send_action(hapd, hapd->iface->freq, 0, addr,
+ wpabuf_head(buf), wpabuf_len(buf));
+
+ wpabuf_free(buf);
+ if (ret < 0)
+ return -ret;
+
+ return 0;
+}
+
#ifdef CONFIG_WNM_AP
@@ -1604,6 +1668,7 @@ static const struct ubus_method bss_methods[] = {
UBUS_METHOD_NOARG("rrm_nr_list", hostapd_rrm_nr_list),
UBUS_METHOD("rrm_nr_set", hostapd_rrm_nr_set, nr_set_policy),
UBUS_METHOD("rrm_beacon_req", hostapd_rrm_beacon_req, beacon_req_policy),
+ UBUS_METHOD("link_measurement_req", hostapd_rrm_lm_req, lm_req_policy),
#ifdef CONFIG_WNM_AP
UBUS_METHOD("wnm_disassoc_imminent", hostapd_wnm_disassoc_imminent, wnm_disassoc_policy),
UBUS_METHOD("bss_transition_request", hostapd_bss_transition_request, bss_tr_policy),