ubus.c

   1 /*
   2  *   This program is free software; you can redistribute it and/or modify
   3  *   it under the terms of the GNU General Public License as published by
   4  *   the Free Software Foundation; either version 2 of the License.
   5  *
   6  *   This program is distributed in the hope that it will be useful,
   7  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
   8  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   9  *   GNU General Public License for more details.
  10  *
  11  *   You should have received a copy of the GNU General Public License
  12  *   along with this program; if not, write to the Free Software
  13  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  14  *
  15  *   Copyright (C) 2020 embedd.ch
  16  *   Copyright (C) 2020 Felix Fietkau <nbd@nbd.name>
  17  *   Copyright (C) 2020 John Crispin <john@phrozen.org>
  18  */
  19
  20 #include <sys/types.h>
  21 #include <sys/socket.h>
  22 #include <net/ethernet.h>
  23 #ifdef linux
  24 #include <netinet/ether.h>
  25 #endif
  26
  27 #include "usteer.h"
  28 #include "node.h"
  29 #include "event.h"
  30
  31 static struct blob_buf b;
  32 static KVLIST(host_info, kvlist_blob_len);
  33
  34 static int
  35 usteer_ubus_get_clients(struct ubus_context *ctx, struct ubus_object *obj,
  36                        struct ubus_request_data *req, const char *method,
  37                        struct blob_attr *msg)
  38 {
  39         struct sta_info *si;
  40         struct sta *sta;
  41         char str[20];
  42         void *_s, *_cur_n;
  43
  44         blob_buf_init(&b, 0);
  45         avl_for_each_element(&stations, sta, avl) {
  46                 sprintf(str, MAC_ADDR_FMT, MAC_ADDR_DATA(sta->addr));
  47                 _s = blobmsg_open_table(&b, str);
  48                 list_for_each_entry(si, &sta->nodes, list) {
  49                         _cur_n = blobmsg_open_table(&b, usteer_node_name(si->node));
  50                         blobmsg_add_u8(&b, "connected", si->connected);
  51                         blobmsg_add_u32(&b, "signal", si->signal);
  52                         blobmsg_close_table(&b, _cur_n);
  53                 }
  54                 blobmsg_close_table(&b, _s);
  55         }
  56         ubus_send_reply(ctx, req, b.head);
  57         return 0;
  58 }
  59
  60 static struct blobmsg_policy client_arg[] = {
  61         { .name = "address", .type = BLOBMSG_TYPE_STRING, },
  62 };
  63
  64 static void
  65 usteer_ubus_add_stats(struct sta_info_stats *stats, const char *name)
  66 {
  67         void *s;
  68
  69         s = blobmsg_open_table(&b, name);
  70         blobmsg_add_u32(&b, "requests", stats->requests);
  71         blobmsg_add_u32(&b, "blocked_cur", stats->blocked_cur);
  72         blobmsg_add_u32(&b, "blocked_total", stats->blocked_total);
  73         blobmsg_close_table(&b, s);
  74 }
  75
  76 static int
  77 usteer_ubus_get_client_info(struct ubus_context *ctx, struct ubus_object *obj,
  78                            struct ubus_request_data *req, const char *method,
  79                            struct blob_attr *msg)
  80 {
  81         struct sta_info *si;
  82         struct sta *sta;
  83         struct blob_attr *mac_str;
  84         uint8_t *mac;
  85         void *_n, *_cur_n, *_s;
  86         int i;
  87
  88         blobmsg_parse(client_arg, 1, &mac_str, blob_data(msg), blob_len(msg));
  89         if (!mac_str)
  90                 return UBUS_STATUS_INVALID_ARGUMENT;
  91
  92         mac = (uint8_t *) ether_aton(blobmsg_data(mac_str));
  93         if (!mac)
  94                 return UBUS_STATUS_INVALID_ARGUMENT;
  95
  96         sta = usteer_sta_get(mac, false);
  97         if (!sta)
  98                 return UBUS_STATUS_NOT_FOUND;
  99
 100         blob_buf_init(&b, 0);
 101         blobmsg_add_u8(&b, "2ghz", sta->seen_2ghz);
 102         blobmsg_add_u8(&b, "5ghz", sta->seen_5ghz);
 103         _n = blobmsg_open_table(&b, "nodes");
 104         list_for_each_entry(si, &sta->nodes, list) {
 105                 _cur_n = blobmsg_open_table(&b, usteer_node_name(si->node));
 106                 blobmsg_add_u8(&b, "connected", si->connected);
 107                 blobmsg_add_u32(&b, "signal", si->signal);
 108                 _s = blobmsg_open_table(&b, "stats");
 109                 for (i = 0; i < __EVENT_TYPE_MAX; i++)
 110                         usteer_ubus_add_stats(&si->stats[EVENT_TYPE_PROBE], event_types[i]);
 111                 blobmsg_close_table(&b, _s);
 112                 blobmsg_close_table(&b, _cur_n);
 113         }
 114         blobmsg_close_table(&b, _n);
 115
 116         ubus_send_reply(ctx, req, b.head);
 117
 118         return 0;
 119 }
 120
 121 enum cfg_type {
 122         CFG_BOOL,
 123         CFG_I32,
 124         CFG_U32,
 125         CFG_ARRAY_CB,
 126         CFG_STRING_CB,
 127 };
 128
 129 struct cfg_item {
 130         enum cfg_type type;
 131         union {
 132                 bool *BOOL;
 133                 uint32_t *U32;
 134                 int32_t *I32;
 135                 struct {
 136                         void (*set)(struct blob_attr *data);
 137                         void (*get)(struct blob_buf *buf);
 138                 } CB;
 139         } ptr;
 140 };
 141
 142 #define __config_items \
 143         _cfg(BOOL, syslog), \
 144         _cfg(U32, debug_level), \
 145         _cfg(BOOL, ipv6), \
 146         _cfg(U32, sta_block_timeout), \
 147         _cfg(U32, local_sta_timeout), \
 148         _cfg(U32, local_sta_update), \
 149         _cfg(U32, max_neighbor_reports), \
 150         _cfg(U32, max_retry_band), \
 151         _cfg(U32, seen_policy_timeout), \
 152         _cfg(U32, load_balancing_threshold), \
 153         _cfg(U32, band_steering_threshold), \
 154         _cfg(U32, remote_update_interval), \
 155         _cfg(U32, remote_node_timeout), \
 156         _cfg(BOOL, assoc_steering), \
 157         _cfg(I32, min_connect_snr), \
 158         _cfg(I32, min_snr), \
 159         _cfg(U32, roam_process_timeout), \
 160         _cfg(I32, roam_scan_snr), \
 161         _cfg(U32, roam_scan_tries), \
 162         _cfg(U32, roam_scan_interval), \
 163         _cfg(I32, roam_trigger_snr), \
 164         _cfg(U32, roam_trigger_interval), \
 165         _cfg(U32, roam_kick_delay), \
 166         _cfg(U32, signal_diff_threshold), \
 167         _cfg(U32, initial_connect_delay), \
 168         _cfg(BOOL, load_kick_enabled), \
 169         _cfg(U32, load_kick_threshold), \
 170         _cfg(U32, load_kick_delay), \
 171         _cfg(U32, load_kick_min_clients), \
 172         _cfg(U32, load_kick_reason_code), \
 173         _cfg(ARRAY_CB, interfaces), \
 174         _cfg(STRING_CB, node_up_script), \
 175         _cfg(ARRAY_CB, event_log_types), \
 176         _cfg(ARRAY_CB, ssid_list)
 177
 178 enum cfg_items {
 179 #define _cfg(_type, _name) CFG_##_name
 180         __config_items,
 181 #undef _cfg
 182         __CFG_MAX,
 183 };
 184
 185 static const struct blobmsg_policy config_policy[__CFG_MAX] = {
 186 #define _cfg_policy(_type, _name) [CFG_##_name] = { .name = #_name, .type = BLOBMSG_TYPE_ ## _type }
 187 #define _cfg_policy_BOOL(_name) _cfg_policy(BOOL, _name)
 188 #define _cfg_policy_U32(_name) _cfg_policy(INT32, _name)
 189 #define _cfg_policy_I32(_name) _cfg_policy(INT32, _name)
 190 #define _cfg_policy_ARRAY_CB(_name) _cfg_policy(ARRAY, _name)
 191 #define _cfg_policy_STRING_CB(_name) _cfg_policy(STRING, _name)
 192 #define _cfg(_type, _name) _cfg_policy_##_type(_name)
 193         __config_items,
 194 #undef _cfg
 195 };
 196
 197 static const struct cfg_item config_data[__CFG_MAX] = {
 198 #define _cfg_data_BOOL(_name) .ptr.BOOL = &config._name
 199 #define _cfg_data_U32(_name) .ptr.U32 = &config._name
 200 #define _cfg_data_I32(_name) .ptr.I32 = &config._name
 201 #define _cfg_data_ARRAY_CB(_name) .ptr.CB = { .set = config_set_##_name, .get = config_get_##_name }
 202 #define _cfg_data_STRING_CB(_name) .ptr.CB = { .set = config_set_##_name, .get = config_get_##_name }
 203 #define _cfg(_type, _name) [CFG_##_name] = { .type = CFG_##_type, _cfg_data_##_type(_name) }
 204         __config_items,
 205 #undef _cfg
 206 };
 207
 208 static int
 209 usteer_ubus_get_config(struct ubus_context *ctx, struct ubus_object *obj,
 210                       struct ubus_request_data *req, const char *method,
 211                       struct blob_attr *msg)
 212 {
 213         int i;
 214
 215         blob_buf_init(&b, 0);
 216         for (i = 0; i < __CFG_MAX; i++) {
 217                 switch(config_data[i].type) {
 218                 case CFG_BOOL:
 219                         blobmsg_add_u8(&b, config_policy[i].name,
 220                                         *config_data[i].ptr.BOOL);
 221                         break;
 222                 case CFG_I32:
 223                 case CFG_U32:
 224                         blobmsg_add_u32(&b, config_policy[i].name,
 225                                         *config_data[i].ptr.U32);
 226                         break;
 227                 case CFG_ARRAY_CB:
 228                 case CFG_STRING_CB:
 229                         config_data[i].ptr.CB.get(&b);
 230                         break;
 231                 }
 232         }
 233         ubus_send_reply(ctx, req, b.head);
 234         return 0;
 235 }
 236
 237 static int
 238 usteer_ubus_set_config(struct ubus_context *ctx, struct ubus_object *obj,
 239                       struct ubus_request_data *req, const char *method,
 240                       struct blob_attr *msg)
 241 {
 242         struct blob_attr *tb[__CFG_MAX];
 243         int i;
 244
 245         if (!strcmp(method, "set_config"))
 246                 usteer_init_defaults();
 247
 248         blobmsg_parse(config_policy, __CFG_MAX, tb, blob_data(msg), blob_len(msg));
 249         for (i = 0; i < __CFG_MAX; i++) {
 250                 switch(config_data[i].type) {
 251                 case CFG_BOOL:
 252                         if (!tb[i])
 253                                 continue;
 254
 255                         *config_data[i].ptr.BOOL = blobmsg_get_u8(tb[i]);
 256                         break;
 257                 case CFG_I32:
 258                 case CFG_U32:
 259                         if (!tb[i])
 260                                 continue;
 261
 262                         *config_data[i].ptr.U32 = blobmsg_get_u32(tb[i]);
 263                         break;
 264                 case CFG_ARRAY_CB:
 265                 case CFG_STRING_CB:
 266                         config_data[i].ptr.CB.set(tb[i]);
 267                         break;
 268                 }
 269         }
 270
 271         usteer_interface_init();
 272
 273         return 0;
 274 }
 275
 276 void usteer_dump_node(struct blob_buf *buf, struct usteer_node *node)
 277 {
 278         void *c, *roam_events;
 279
 280         c = blobmsg_open_table(buf, usteer_node_name(node));
 281         blobmsg_printf(buf, "bssid", MAC_ADDR_FMT, MAC_ADDR_DATA(node->bssid));
 282         blobmsg_add_u32(buf, "freq", node->freq);
 283         blobmsg_add_u32(buf, "n_assoc", node->n_assoc);
 284         blobmsg_add_u32(buf, "noise", node->noise);
 285         blobmsg_add_u32(buf, "load", node->load);
 286         blobmsg_add_u32(buf, "max_assoc", node->max_assoc);
 287
 288         roam_events = blobmsg_open_table(buf, "roam_events");
 289         blobmsg_add_u32(buf, "source", node->roam_events.source);
 290         blobmsg_add_u32(buf, "target", node->roam_events.target);
 291         blobmsg_close_table(buf, roam_events);
 292
 293         if (node->rrm_nr)
 294                 blobmsg_add_field(buf, BLOBMSG_TYPE_ARRAY, "rrm_nr",
 295                                   blobmsg_data(node->rrm_nr),
 296                                   blobmsg_data_len(node->rrm_nr));
 297         if (node->node_info)
 298                 blobmsg_add_field(buf, BLOBMSG_TYPE_TABLE, "node_info",
 299                                   blob_data(node->node_info),
 300                                   blob_len(node->node_info));
 301
 302         blobmsg_close_table(buf, c);
 303 }
 304
 305 void usteer_dump_host(struct blob_buf *buf, struct usteer_remote_host *host)
 306 {
 307         void *c;
 308
 309         c = blobmsg_open_table(buf, host->addr);
 310         blobmsg_add_u32(buf, "id", (uint32_t)(uintptr_t)host->avl.key);
 311         if (host->host_info)
 312                 blobmsg_add_field(buf, BLOBMSG_TYPE_TABLE, "host_info",
 313                                   blobmsg_data(host->host_info),
 314                                   blobmsg_len(host->host_info));
 315         blobmsg_close_table(buf, c);
 316 }
 317
 318 static int
 319 usteer_ubus_local_info(struct ubus_context *ctx, struct ubus_object *obj,
 320                       struct ubus_request_data *req, const char *method,
 321                       struct blob_attr *msg)
 322 {
 323         struct usteer_node *node;
 324
 325         blob_buf_init(&b, 0);
 326
 327         for_each_local_node(node)
 328                 usteer_dump_node(&b, node);
 329
 330         ubus_send_reply(ctx, req, b.head);
 331
 332         return 0;
 333 }
 334
 335 static int
 336 usteer_ubus_remote_hosts(struct ubus_context *ctx, struct ubus_object *obj,
 337                          struct ubus_request_data *req, const char *method,
 338                          struct blob_attr *msg)
 339 {
 340         struct usteer_remote_host *host;
 341
 342         blob_buf_init(&b, 0);
 343
 344         avl_for_each_element(&remote_hosts, host, avl)
 345                 usteer_dump_host(&b, host);
 346
 347         ubus_send_reply(ctx, req, b.head);
 348
 349         return 0;
 350 }
 351
 352 static int
 353 usteer_ubus_remote_info(struct ubus_context *ctx, struct ubus_object *obj,
 354                        struct ubus_request_data *req, const char *method,
 355                        struct blob_attr *msg)
 356 {
 357         struct usteer_remote_node *rn;
 358
 359         blob_buf_init(&b, 0);
 360
 361         for_each_remote_node(rn)
 362                 usteer_dump_node(&b, &rn->node);
 363
 364         ubus_send_reply(ctx, req, b.head);
 365
 366         return 0;
 367 }
 368
 369 enum {
 370         NODE_DATA_NODE,
 371         NODE_DATA_VALUES,
 372         __NODE_DATA_MAX,
 373 };
 374
 375 static const struct blobmsg_policy set_node_data_policy[] = {
 376         [NODE_DATA_NODE] = { "node", BLOBMSG_TYPE_STRING },
 377         [NODE_DATA_VALUES] = { "data", BLOBMSG_TYPE_TABLE },
 378 };
 379
 380 static const struct blobmsg_policy del_node_data_policy[] = {
 381         [NODE_DATA_NODE] = { "node", BLOBMSG_TYPE_STRING },
 382         [NODE_DATA_VALUES] = { "names", BLOBMSG_TYPE_ARRAY },
 383 };
 384
 385 static void
 386 usteer_update_kvlist_data(struct kvlist *kv, struct blob_attr *data,
 387                           bool delete)
 388 {
 389         struct blob_attr *cur;
 390         int rem;
 391
 392         blobmsg_for_each_attr(cur, data, rem) {
 393                 if (delete)
 394                         kvlist_delete(kv, blobmsg_get_string(cur));
 395                 else
 396                         kvlist_set(kv, blobmsg_name(cur), cur);
 397         }
 398 }
 399
 400 static void
 401 usteer_update_kvlist_blob(struct blob_attr **dest, struct kvlist *kv)
 402 {
 403         struct blob_attr *val;
 404         const char *name;
 405
 406         blob_buf_init(&b, 0);
 407         kvlist_for_each(kv, name, val)
 408                 blobmsg_add_field(&b, blobmsg_type(val), name,
 409                                   blobmsg_data(val), blobmsg_len(val));
 410
 411         val = b.head;
 412         if (!blobmsg_len(val))
 413                 val = NULL;
 414
 415         usteer_node_set_blob(dest, val);
 416 }
 417
 418 static int
 419 usteer_ubus_update_node_data(struct ubus_context *ctx, struct ubus_object *obj,
 420                              struct ubus_request_data *req, const char *method,
 421                              struct blob_attr *msg)
 422 {
 423         const struct blobmsg_policy *policy;
 424         struct blob_attr *tb[__NODE_DATA_MAX];
 425         struct usteer_local_node *ln;
 426         struct blob_attr *val;
 427         const char *name;
 428         bool delete;
 429
 430         delete = !strncmp(method, "del", 3);
 431         policy = delete ? del_node_data_policy : set_node_data_policy;
 432
 433         blobmsg_parse(policy, __NODE_DATA_MAX, tb, blob_data(msg), blob_len(msg));
 434         if (!tb[NODE_DATA_NODE] || !tb[NODE_DATA_VALUES])
 435                 return UBUS_STATUS_INVALID_ARGUMENT;
 436
 437         name = blobmsg_get_string(tb[NODE_DATA_NODE]);
 438         val = tb[NODE_DATA_VALUES];
 439         if (delete && blobmsg_check_array(val, BLOBMSG_TYPE_STRING) < 0)
 440                 return UBUS_STATUS_INVALID_ARGUMENT;
 441
 442         if (strcmp(name, "*") != 0) {
 443                 ln = avl_find_element(&local_nodes, name, ln, node.avl);
 444                 if (!ln)
 445                         return UBUS_STATUS_NOT_FOUND;
 446
 447                 usteer_update_kvlist_data(&ln->node_info, val, delete);
 448                 usteer_update_kvlist_blob(&ln->node.node_info, &ln->node_info);
 449
 450                 return 0;
 451         }
 452
 453         usteer_update_kvlist_data(&host_info, val, delete);
 454         usteer_update_kvlist_blob(&host_info_blob, &host_info);
 455
 456         return 0;
 457 }
 458
 459 static const struct ubus_method usteer_methods[] = {
 460         UBUS_METHOD_NOARG("local_info", usteer_ubus_local_info),
 461         UBUS_METHOD_NOARG("remote_hosts", usteer_ubus_remote_hosts),
 462         UBUS_METHOD_NOARG("remote_info", usteer_ubus_remote_info),
 463         UBUS_METHOD_NOARG("get_clients", usteer_ubus_get_clients),
 464         UBUS_METHOD("get_client_info", usteer_ubus_get_client_info, client_arg),
 465         UBUS_METHOD_NOARG("get_config", usteer_ubus_get_config),
 466         UBUS_METHOD("set_config", usteer_ubus_set_config, config_policy),
 467         UBUS_METHOD("update_config", usteer_ubus_set_config, config_policy),
 468         UBUS_METHOD("set_node_data", usteer_ubus_update_node_data, set_node_data_policy),
 469         UBUS_METHOD("delete_node_data", usteer_ubus_update_node_data, del_node_data_policy),
 470 };
 471
 472 static struct ubus_object_type usteer_obj_type =
 473         UBUS_OBJECT_TYPE("usteer", usteer_methods);
 474
 475 struct ubus_object usteer_obj = {
 476         .name = "usteer",
 477         .type = &usteer_obj_type,
 478         .methods = usteer_methods,
 479         .n_methods = ARRAY_SIZE(usteer_methods),
 480 };
 481
 482 static bool
 483 usteer_add_nr_entry(struct usteer_node *ln, struct usteer_node *node)
 484 {
 485         struct blobmsg_policy policy[3] = {
 486                 { .type = BLOBMSG_TYPE_STRING },
 487                 { .type = BLOBMSG_TYPE_STRING },
 488                 { .type = BLOBMSG_TYPE_STRING },
 489         };
 490         struct blob_attr *tb[3];
 491
 492         if (!node->rrm_nr)
 493                 return false;
 494
 495         if (strcmp(ln->ssid, node->ssid) != 0)
 496                 return false;
 497
 498         blobmsg_parse_array(policy, ARRAY_SIZE(tb), tb,
 499                             blobmsg_data(node->rrm_nr),
 500                             blobmsg_data_len(node->rrm_nr));
 501         if (!tb[2])
 502                 return false;
 503
 504         blobmsg_add_field(&b, BLOBMSG_TYPE_STRING, "",
 505                           blobmsg_data(tb[2]),
 506                           blobmsg_data_len(tb[2]));
 507
 508         return true;
 509 }
 510
 511 static void
 512 usteer_ubus_disassoc_add_neighbors(struct sta_info *si)
 513 {
 514         struct usteer_node *node, *last_remote_neighbor = NULL;
 515         int i = 0;
 516         void *c;
 517
 518         c = blobmsg_open_array(&b, "neighbors");
 519         for_each_local_node(node) {
 520                 if (i >= config.max_neighbor_reports)
 521                         break;
 522                 if (si->node == node)
 523                         continue;
 524                 if (usteer_add_nr_entry(si->node, node))
 525                         i++;
 526         }
 527
 528         while (i < config.max_neighbor_reports) {
 529                 node = usteer_node_get_next_neighbor(si->node, last_remote_neighbor);
 530                 if (!node) {
 531                         /* No more nodes available */
 532                         break;
 533                 }
 534
 535                 last_remote_neighbor = node;
 536                 if (usteer_add_nr_entry(si->node, node))
 537                         i++;
 538         }
 539         blobmsg_close_array(&b, c);
 540 }
 541
 542 int usteer_ubus_notify_client_disassoc(struct sta_info *si)
 543 {
 544         struct usteer_local_node *ln = container_of(si->node, struct usteer_local_node, node);
 545
 546         blob_buf_init(&b, 0);
 547         blobmsg_printf(&b, "addr", MAC_ADDR_FMT, MAC_ADDR_DATA(si->sta->addr));
 548         blobmsg_add_u32(&b, "duration", config.roam_kick_delay);
 549         usteer_ubus_disassoc_add_neighbors(si);
 550         return ubus_invoke(ubus_ctx, ln->obj_id, "wnm_disassoc_imminent", b.head, NULL, 0, 100);
 551 }
 552
 553 int usteer_ubus_trigger_client_scan(struct sta_info *si)
 554 {
 555         struct usteer_local_node *ln = container_of(si->node, struct usteer_local_node, node);
 556
 557         if (!usteer_sta_supports_beacon_measurement_mode(si->sta, BEACON_MEASUREMENT_ACTIVE)) {
 558                 MSG(DEBUG, "STA does not support beacon measurement sta=" MAC_ADDR_FMT "\n", MAC_ADDR_DATA(si->sta->addr));
 559                 return 0;
 560         }
 561
 562         si->scan_band = !si->scan_band;
 563
 564         blob_buf_init(&b, 0);
 565         blobmsg_printf(&b, "addr", MAC_ADDR_FMT, MAC_ADDR_DATA(si->sta->addr));
 566         blobmsg_add_string(&b, "ssid", si->node->ssid);
 567         blobmsg_add_u32(&b, "mode", BEACON_MEASUREMENT_ACTIVE);
 568         blobmsg_add_u32(&b, "duration", config.roam_scan_interval / 100);
 569         blobmsg_add_u32(&b, "channel", 0);
 570         blobmsg_add_u32(&b, "op_class", si->scan_band ? 1 : 12);
 571         return ubus_invoke(ubus_ctx, ln->obj_id, "rrm_beacon_req", b.head, NULL, 0, 100);
 572 }
 573
 574 void usteer_ubus_kick_client(struct sta_info *si)
 575 {
 576         struct usteer_local_node *ln = container_of(si->node, struct usteer_local_node, node);
 577
 578         blob_buf_init(&b, 0);
 579         blobmsg_printf(&b, "addr", MAC_ADDR_FMT, MAC_ADDR_DATA(si->sta->addr));
 580         blobmsg_add_u32(&b, "reason", config.load_kick_reason_code);
 581         blobmsg_add_u8(&b, "deauth", 1);
 582         ubus_invoke(ubus_ctx, ln->obj_id, "del_client", b.head, NULL, 0, 100);
 583         usteer_sta_disconnected(si);
 584         si->roam_kick = current_time;
 585 }
 586
 587 void usteer_ubus_init(struct ubus_context *ctx)
 588 {
 589         ubus_add_object(ctx, &usteer_obj);
 590 }