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hostapd: add support for issuing 802.11k beacon measurement requests via ubus 

Signed-off-by: Felix Fietkau <nbd@nbd.name>
openwrt-18.06
Felix Fietkau 2018-02-11 00:28:03 +01:00
parent 21bb42fb8a
commit 01b2c0fc49
1 changed files with 90 additions and 0 deletions
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90
package/network/services/hostapd/src/src/ap/ubus.c
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@ -18,6 +18,7 @@
#include "ubus.h"
#include "ap_drv_ops.h"
#include "beacon.h"
#include "rrm.h"
static struct ubus_context *ctx;
static struct blob_buf b;
@ -719,6 +720,94 @@ invalid:
return 0;
}
enum {
BEACON_REQ_ADDR,
BEACON_REQ_MODE,
BEACON_REQ_OP_CLASS,
BEACON_REQ_CHANNEL,
BEACON_REQ_DURATION,
BEACON_REQ_BSSID,
BEACON_REQ_SSID,
__BEACON_REQ_MAX,
};
static const struct blobmsg_policy beacon_req_policy[__BEACON_REQ_MAX] = {
[BEACON_REQ_ADDR] = { "addr", BLOBMSG_TYPE_STRING },
[BEACON_REQ_OP_CLASS] { "op_class", BLOBMSG_TYPE_INT32 },
[BEACON_REQ_CHANNEL] { "channel", BLOBMSG_TYPE_INT32 },
[BEACON_REQ_DURATION] { "duration", BLOBMSG_TYPE_INT32 },
[BEACON_REQ_MODE] { "mode", BLOBMSG_TYPE_INT32 },
[BEACON_REQ_BSSID] { "bssid", BLOBMSG_TYPE_STRING },
[BEACON_REQ_SSID] { "ssid", BLOBMSG_TYPE_STRING },
};
static int
hostapd_rrm_beacon_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[__BEACON_REQ_MAX];
struct blob_attr *cur;
struct wpabuf *req;
u8 bssid[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
u8 addr[ETH_ALEN];
int mode, rem, ret;
int buf_len = 13;
blobmsg_parse(beacon_req_policy, __BEACON_REQ_MAX, tb, blob_data(msg), blob_len(msg));
if (!tb[BEACON_REQ_ADDR] || !tb[BEACON_REQ_MODE] || !tb[BEACON_REQ_DURATION] ||
!tb[BEACON_REQ_OP_CLASS] || !tb[BEACON_REQ_CHANNEL])
return UBUS_STATUS_INVALID_ARGUMENT;
if (tb[BEACON_REQ_SSID])
buf_len += blobmsg_data_len(tb[BEACON_REQ_SSID]) + 2 - 1;
mode = blobmsg_get_u32(tb[BEACON_REQ_MODE]);
if (hwaddr_aton(blobmsg_data(tb[BEACON_REQ_ADDR]), addr))
return UBUS_STATUS_INVALID_ARGUMENT;
if (tb[BEACON_REQ_BSSID] &&
hwaddr_aton(blobmsg_data(tb[BEACON_REQ_BSSID]), bssid))
return UBUS_STATUS_INVALID_ARGUMENT;
req = wpabuf_alloc(buf_len);
if (!req)
return UBUS_STATUS_UNKNOWN_ERROR;
/* 1: regulatory class */
wpabuf_put_u8(req, blobmsg_get_u32(tb[BEACON_REQ_OP_CLASS]));
/* 2: channel number */
wpabuf_put_u8(req, blobmsg_get_u32(tb[BEACON_REQ_CHANNEL]));
/* 3-4: randomization interval */
wpabuf_put_le16(req, 0);
/* 5-6: duration */
wpabuf_put_le16(req, blobmsg_get_u32(tb[BEACON_REQ_DURATION]));
/* 7: mode */
wpabuf_put_u8(req, blobmsg_get_u32(tb[BEACON_REQ_MODE]));
/* 8-13: BSSID */
wpabuf_put_data(req, bssid, ETH_ALEN);
if ((cur = tb[BEACON_REQ_SSID]) != NULL) {
wpabuf_put_u8(req, WLAN_EID_SSID);
wpabuf_put_u8(req, blobmsg_data_len(cur) - 1);
wpabuf_put_data(req, blobmsg_data(cur), blobmsg_data_len(cur) - 1);
}
ret = hostapd_send_beacon_req(hapd, addr, 0, req);
if (ret < 0)
return -ret;
return 0;
}
static const struct ubus_method bss_methods[] = {
UBUS_METHOD_NOARG("get_clients", hostapd_bss_get_clients),
UBUS_METHOD("del_client", hostapd_bss_del_client, del_policy),
@ -735,6 +824,7 @@ static const struct ubus_method bss_methods[] = {
UBUS_METHOD_NOARG("rrm_nr_get_own", hostapd_rrm_nr_get_own),
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),
};
static struct ubus_object_type bss_object_type =