2 * Driver interaction with Linux nl80211/cfg80211 - Capabilities
3 * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi>
4 * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
5 * Copyright (c) 2009-2010, Atheros Communications
7 * This software may be distributed under the terms of the BSD license.
8 * See README for more details.
12 #include <netlink/genl/genl.h>
14 #include "utils/common.h"
15 #include "common/ieee802_11_defs.h"
16 #include "common/ieee802_11_common.h"
17 #include "common/qca-vendor.h"
18 #include "common/qca-vendor-attr.h"
19 #include "driver_nl80211.h"
22 static int protocol_feature_handler(struct nl_msg *msg, void *arg)
25 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
26 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
28 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
29 genlmsg_attrlen(gnlh, 0), NULL);
31 if (tb_msg[NL80211_ATTR_PROTOCOL_FEATURES])
32 *feat = nla_get_u32(tb_msg[NL80211_ATTR_PROTOCOL_FEATURES]);
38 static u32 get_nl80211_protocol_features(struct wpa_driver_nl80211_data *drv)
47 if (!nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_PROTOCOL_FEATURES)) {
52 if (send_and_recv_msgs(drv, msg, protocol_feature_handler, &feat) == 0)
59 struct wiphy_info_data {
60 struct wpa_driver_nl80211_data *drv;
61 struct wpa_driver_capa *capa;
63 unsigned int num_multichan_concurrent;
66 unsigned int device_ap_sme:1;
67 unsigned int poll_command_supported:1;
68 unsigned int data_tx_status:1;
69 unsigned int monitor_supported:1;
70 unsigned int auth_supported:1;
71 unsigned int connect_supported:1;
72 unsigned int p2p_go_supported:1;
73 unsigned int p2p_client_supported:1;
74 unsigned int p2p_go_ctwindow_supported:1;
75 unsigned int p2p_concurrent:1;
76 unsigned int channel_switch_supported:1;
77 unsigned int set_qos_map_supported:1;
78 unsigned int have_low_prio_scan:1;
79 unsigned int wmm_ac_supported:1;
80 unsigned int mac_addr_rand_scan_supported:1;
81 unsigned int mac_addr_rand_sched_scan_supported:1;
85 static unsigned int probe_resp_offload_support(int supp_protocols)
87 unsigned int prot = 0;
89 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS)
90 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS;
91 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2)
92 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2;
93 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P)
94 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P;
95 if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U)
96 prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING;
102 static void wiphy_info_supported_iftypes(struct wiphy_info_data *info,
105 struct nlattr *nl_mode;
111 nla_for_each_nested(nl_mode, tb, i) {
112 switch (nla_type(nl_mode)) {
113 case NL80211_IFTYPE_AP:
114 info->capa->flags |= WPA_DRIVER_FLAGS_AP;
116 case NL80211_IFTYPE_MESH_POINT:
117 info->capa->flags |= WPA_DRIVER_FLAGS_MESH;
119 case NL80211_IFTYPE_ADHOC:
120 info->capa->flags |= WPA_DRIVER_FLAGS_IBSS;
122 case NL80211_IFTYPE_P2P_DEVICE:
124 WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE;
126 case NL80211_IFTYPE_P2P_GO:
127 info->p2p_go_supported = 1;
129 case NL80211_IFTYPE_P2P_CLIENT:
130 info->p2p_client_supported = 1;
132 case NL80211_IFTYPE_MONITOR:
133 info->monitor_supported = 1;
140 static int wiphy_info_iface_comb_process(struct wiphy_info_data *info,
141 struct nlattr *nl_combi)
143 struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB];
144 struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT];
145 struct nlattr *nl_limit, *nl_mode;
146 int err, rem_limit, rem_mode;
147 int combination_has_p2p = 0, combination_has_mgd = 0;
148 static struct nla_policy
149 iface_combination_policy[NUM_NL80211_IFACE_COMB] = {
150 [NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED },
151 [NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 },
152 [NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG },
153 [NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 },
154 [NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS] = { .type = NLA_U32 },
156 iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
157 [NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED },
158 [NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 },
161 err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB,
162 nl_combi, iface_combination_policy);
163 if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] ||
164 !tb_comb[NL80211_IFACE_COMB_MAXNUM] ||
165 !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS])
166 return 0; /* broken combination */
168 if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS])
169 info->capa->flags |= WPA_DRIVER_FLAGS_RADAR;
171 nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS],
173 err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT,
174 nl_limit, iface_limit_policy);
175 if (err || !tb_limit[NL80211_IFACE_LIMIT_TYPES])
176 return 0; /* broken combination */
178 nla_for_each_nested(nl_mode,
179 tb_limit[NL80211_IFACE_LIMIT_TYPES],
181 int ift = nla_type(nl_mode);
182 if (ift == NL80211_IFTYPE_P2P_GO ||
183 ift == NL80211_IFTYPE_P2P_CLIENT)
184 combination_has_p2p = 1;
185 if (ift == NL80211_IFTYPE_STATION)
186 combination_has_mgd = 1;
188 if (combination_has_p2p && combination_has_mgd)
192 if (combination_has_p2p && combination_has_mgd) {
193 unsigned int num_channels =
194 nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]);
196 info->p2p_concurrent = 1;
197 if (info->num_multichan_concurrent < num_channels)
198 info->num_multichan_concurrent = num_channels;
205 static void wiphy_info_iface_comb(struct wiphy_info_data *info,
208 struct nlattr *nl_combi;
214 nla_for_each_nested(nl_combi, tb, rem_combi) {
215 if (wiphy_info_iface_comb_process(info, nl_combi) > 0)
221 static void wiphy_info_supp_cmds(struct wiphy_info_data *info,
224 struct nlattr *nl_cmd;
230 nla_for_each_nested(nl_cmd, tb, i) {
231 switch (nla_get_u32(nl_cmd)) {
232 case NL80211_CMD_AUTHENTICATE:
233 info->auth_supported = 1;
235 case NL80211_CMD_CONNECT:
236 info->connect_supported = 1;
238 case NL80211_CMD_START_SCHED_SCAN:
239 info->capa->sched_scan_supported = 1;
241 case NL80211_CMD_PROBE_CLIENT:
242 info->poll_command_supported = 1;
244 case NL80211_CMD_CHANNEL_SWITCH:
245 info->channel_switch_supported = 1;
247 case NL80211_CMD_SET_QOS_MAP:
248 info->set_qos_map_supported = 1;
255 static void wiphy_info_cipher_suites(struct wiphy_info_data *info,
264 num = nla_len(tb) / sizeof(u32);
265 ciphers = nla_data(tb);
266 for (i = 0; i < num; i++) {
269 wpa_printf(MSG_DEBUG, "nl80211: Supported cipher %02x-%02x-%02x:%d",
270 c >> 24, (c >> 16) & 0xff,
271 (c >> 8) & 0xff, c & 0xff);
273 case WLAN_CIPHER_SUITE_CCMP_256:
274 info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP_256;
276 case WLAN_CIPHER_SUITE_GCMP_256:
277 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP_256;
279 case WLAN_CIPHER_SUITE_CCMP:
280 info->capa->enc |= WPA_DRIVER_CAPA_ENC_CCMP;
282 case WLAN_CIPHER_SUITE_GCMP:
283 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GCMP;
285 case WLAN_CIPHER_SUITE_TKIP:
286 info->capa->enc |= WPA_DRIVER_CAPA_ENC_TKIP;
288 case WLAN_CIPHER_SUITE_WEP104:
289 info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP104;
291 case WLAN_CIPHER_SUITE_WEP40:
292 info->capa->enc |= WPA_DRIVER_CAPA_ENC_WEP40;
294 case WLAN_CIPHER_SUITE_AES_CMAC:
295 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP;
297 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
298 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_128;
300 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
301 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_GMAC_256;
303 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
304 info->capa->enc |= WPA_DRIVER_CAPA_ENC_BIP_CMAC_256;
306 case WLAN_CIPHER_SUITE_NO_GROUP_ADDR:
307 info->capa->enc |= WPA_DRIVER_CAPA_ENC_GTK_NOT_USED;
314 static void wiphy_info_max_roc(struct wpa_driver_capa *capa,
318 capa->max_remain_on_chan = nla_get_u32(tb);
322 static void wiphy_info_tdls(struct wpa_driver_capa *capa, struct nlattr *tdls,
323 struct nlattr *ext_setup)
328 wpa_printf(MSG_DEBUG, "nl80211: TDLS supported");
329 capa->flags |= WPA_DRIVER_FLAGS_TDLS_SUPPORT;
332 wpa_printf(MSG_DEBUG, "nl80211: TDLS external setup");
333 capa->flags |= WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP;
338 static int ext_feature_isset(const u8 *ext_features, int ext_features_len,
339 enum nl80211_ext_feature_index ftidx)
343 if ((int) ftidx / 8 >= ext_features_len)
346 ft_byte = ext_features[ftidx / 8];
347 return (ft_byte & BIT(ftidx % 8)) != 0;
351 static void wiphy_info_ext_feature_flags(struct wiphy_info_data *info,
354 struct wpa_driver_capa *capa = info->capa;
361 ext_features = nla_data(tb);
364 if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_VHT_IBSS))
365 capa->flags |= WPA_DRIVER_FLAGS_VHT_IBSS;
367 if (ext_feature_isset(ext_features, len, NL80211_EXT_FEATURE_RRM))
368 capa->rrm_flags |= WPA_DRIVER_FLAGS_SUPPORT_RRM;
372 static void wiphy_info_feature_flags(struct wiphy_info_data *info,
376 struct wpa_driver_capa *capa = info->capa;
381 flags = nla_get_u32(tb);
383 if (flags & NL80211_FEATURE_SK_TX_STATUS)
384 info->data_tx_status = 1;
386 if (flags & NL80211_FEATURE_INACTIVITY_TIMER)
387 capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER;
389 if (flags & NL80211_FEATURE_SAE)
390 capa->flags |= WPA_DRIVER_FLAGS_SAE;
392 if (flags & NL80211_FEATURE_NEED_OBSS_SCAN)
393 capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN;
395 if (flags & NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)
396 capa->flags |= WPA_DRIVER_FLAGS_HT_2040_COEX;
398 if (flags & NL80211_FEATURE_TDLS_CHANNEL_SWITCH) {
399 wpa_printf(MSG_DEBUG, "nl80211: TDLS channel switch");
400 capa->flags |= WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH;
403 if (flags & NL80211_FEATURE_P2P_GO_CTWIN)
404 info->p2p_go_ctwindow_supported = 1;
406 if (flags & NL80211_FEATURE_LOW_PRIORITY_SCAN)
407 info->have_low_prio_scan = 1;
409 if (flags & NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)
410 info->mac_addr_rand_scan_supported = 1;
412 if (flags & NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR)
413 info->mac_addr_rand_sched_scan_supported = 1;
415 if (flags & NL80211_FEATURE_STATIC_SMPS)
416 capa->smps_modes |= WPA_DRIVER_SMPS_MODE_STATIC;
418 if (flags & NL80211_FEATURE_DYNAMIC_SMPS)
419 capa->smps_modes |= WPA_DRIVER_SMPS_MODE_DYNAMIC;
421 if (flags & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
422 info->wmm_ac_supported = 1;
424 if (flags & NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES)
425 capa->rrm_flags |= WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES;
427 if (flags & NL80211_FEATURE_WFA_TPC_IE_IN_PROBES)
428 capa->rrm_flags |= WPA_DRIVER_FLAGS_WFA_TPC_IE_IN_PROBES;
430 if (flags & NL80211_FEATURE_QUIET)
431 capa->rrm_flags |= WPA_DRIVER_FLAGS_QUIET;
433 if (flags & NL80211_FEATURE_TX_POWER_INSERTION)
434 capa->rrm_flags |= WPA_DRIVER_FLAGS_TX_POWER_INSERTION;
436 if (flags & NL80211_FEATURE_HT_IBSS)
437 capa->flags |= WPA_DRIVER_FLAGS_HT_IBSS;
439 if (flags & NL80211_FEATURE_FULL_AP_CLIENT_STATE)
440 capa->flags |= WPA_DRIVER_FLAGS_FULL_AP_CLIENT_STATE;
444 static void wiphy_info_probe_resp_offload(struct wpa_driver_capa *capa,
452 protocols = nla_get_u32(tb);
453 wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response offload in AP "
455 capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD;
456 capa->probe_resp_offloads = probe_resp_offload_support(protocols);
460 static void wiphy_info_wowlan_triggers(struct wpa_driver_capa *capa,
463 struct nlattr *triggers[MAX_NL80211_WOWLAN_TRIG + 1];
468 if (nla_parse_nested(triggers, MAX_NL80211_WOWLAN_TRIG,
472 if (triggers[NL80211_WOWLAN_TRIG_ANY])
473 capa->wowlan_triggers.any = 1;
474 if (triggers[NL80211_WOWLAN_TRIG_DISCONNECT])
475 capa->wowlan_triggers.disconnect = 1;
476 if (triggers[NL80211_WOWLAN_TRIG_MAGIC_PKT])
477 capa->wowlan_triggers.magic_pkt = 1;
478 if (triggers[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE])
479 capa->wowlan_triggers.gtk_rekey_failure = 1;
480 if (triggers[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST])
481 capa->wowlan_triggers.eap_identity_req = 1;
482 if (triggers[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE])
483 capa->wowlan_triggers.four_way_handshake = 1;
484 if (triggers[NL80211_WOWLAN_TRIG_RFKILL_RELEASE])
485 capa->wowlan_triggers.rfkill_release = 1;
489 static void wiphy_info_extended_capab(struct wpa_driver_nl80211_data *drv,
493 struct nlattr *tb1[NL80211_ATTR_MAX + 1], *attr;
495 if (!tb || drv->num_iface_ext_capa == NL80211_IFTYPE_MAX)
498 nla_for_each_nested(attr, tb, rem) {
500 struct drv_nl80211_ext_capa *capa;
502 nla_parse(tb1, NL80211_ATTR_MAX, nla_data(attr),
503 nla_len(attr), NULL);
505 if (!tb1[NL80211_ATTR_IFTYPE] ||
506 !tb1[NL80211_ATTR_EXT_CAPA] ||
507 !tb1[NL80211_ATTR_EXT_CAPA_MASK])
510 capa = &drv->iface_ext_capa[drv->num_iface_ext_capa];
511 capa->iftype = nla_get_u32(tb1[NL80211_ATTR_IFTYPE]);
512 wpa_printf(MSG_DEBUG,
513 "nl80211: Driver-advertised extended capabilities for interface type %s",
514 nl80211_iftype_str(capa->iftype));
516 len = nla_len(tb1[NL80211_ATTR_EXT_CAPA]);
517 capa->ext_capa = os_malloc(len);
521 os_memcpy(capa->ext_capa, nla_data(tb1[NL80211_ATTR_EXT_CAPA]),
523 capa->ext_capa_len = len;
524 wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities",
525 capa->ext_capa, capa->ext_capa_len);
527 len = nla_len(tb1[NL80211_ATTR_EXT_CAPA_MASK]);
528 capa->ext_capa_mask = os_malloc(len);
529 if (!capa->ext_capa_mask)
532 os_memcpy(capa->ext_capa_mask,
533 nla_data(tb1[NL80211_ATTR_EXT_CAPA_MASK]), len);
534 wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities mask",
535 capa->ext_capa_mask, capa->ext_capa_len);
537 drv->num_iface_ext_capa++;
538 if (drv->num_iface_ext_capa == NL80211_IFTYPE_MAX)
545 /* Cleanup allocated memory on error */
546 for (i = 0; i < NL80211_IFTYPE_MAX; i++) {
547 os_free(drv->iface_ext_capa[i].ext_capa);
548 drv->iface_ext_capa[i].ext_capa = NULL;
549 os_free(drv->iface_ext_capa[i].ext_capa_mask);
550 drv->iface_ext_capa[i].ext_capa_mask = NULL;
551 drv->iface_ext_capa[i].ext_capa_len = 0;
553 drv->num_iface_ext_capa = 0;
557 static int wiphy_info_handler(struct nl_msg *msg, void *arg)
559 struct nlattr *tb[NL80211_ATTR_MAX + 1];
560 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
561 struct wiphy_info_data *info = arg;
562 struct wpa_driver_capa *capa = info->capa;
563 struct wpa_driver_nl80211_data *drv = info->drv;
565 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
566 genlmsg_attrlen(gnlh, 0), NULL);
568 if (tb[NL80211_ATTR_WIPHY])
569 drv->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
571 if (tb[NL80211_ATTR_WIPHY_NAME])
572 os_strlcpy(drv->phyname,
573 nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]),
574 sizeof(drv->phyname));
575 if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
576 capa->max_scan_ssids =
577 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]);
579 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS])
580 capa->max_sched_scan_ssids =
581 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]);
583 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS] &&
584 tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL] &&
585 tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]) {
586 capa->max_sched_scan_plans =
587 nla_get_u32(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS]);
589 capa->max_sched_scan_plan_interval =
590 nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL]);
592 capa->max_sched_scan_plan_iterations =
593 nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]);
596 if (tb[NL80211_ATTR_MAX_MATCH_SETS])
597 capa->max_match_sets =
598 nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]);
600 if (tb[NL80211_ATTR_MAC_ACL_MAX])
601 capa->max_acl_mac_addrs =
602 nla_get_u8(tb[NL80211_ATTR_MAC_ACL_MAX]);
604 wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]);
605 wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]);
606 wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]);
607 wiphy_info_cipher_suites(info, tb[NL80211_ATTR_CIPHER_SUITES]);
609 if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) {
610 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based "
612 capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
615 if (tb[NL80211_ATTR_ROAM_SUPPORT]) {
616 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming");
617 capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
620 wiphy_info_max_roc(capa,
621 tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]);
623 if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD])
624 capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD;
626 wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT],
627 tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]);
629 if (tb[NL80211_ATTR_DEVICE_AP_SME])
630 info->device_ap_sme = 1;
632 wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]);
633 wiphy_info_ext_feature_flags(info, tb[NL80211_ATTR_EXT_FEATURES]);
634 wiphy_info_probe_resp_offload(capa,
635 tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]);
637 if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] &&
638 drv->extended_capa == NULL) {
640 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
641 if (drv->extended_capa) {
642 os_memcpy(drv->extended_capa,
643 nla_data(tb[NL80211_ATTR_EXT_CAPA]),
644 nla_len(tb[NL80211_ATTR_EXT_CAPA]));
645 drv->extended_capa_len =
646 nla_len(tb[NL80211_ATTR_EXT_CAPA]);
647 wpa_hexdump(MSG_DEBUG,
648 "nl80211: Driver-advertised extended capabilities (default)",
649 drv->extended_capa, drv->extended_capa_len);
651 drv->extended_capa_mask =
652 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK]));
653 if (drv->extended_capa_mask) {
654 os_memcpy(drv->extended_capa_mask,
655 nla_data(tb[NL80211_ATTR_EXT_CAPA_MASK]),
656 nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK]));
657 wpa_hexdump(MSG_DEBUG,
658 "nl80211: Driver-advertised extended capabilities mask (default)",
659 drv->extended_capa_mask,
660 drv->extended_capa_len);
662 os_free(drv->extended_capa);
663 drv->extended_capa = NULL;
664 drv->extended_capa_len = 0;
668 wiphy_info_extended_capab(drv, tb[NL80211_ATTR_IFTYPE_EXT_CAPA]);
670 if (tb[NL80211_ATTR_VENDOR_DATA]) {
674 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_DATA], rem) {
675 struct nl80211_vendor_cmd_info *vinfo;
676 if (nla_len(nl) != sizeof(*vinfo)) {
677 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
680 vinfo = nla_data(nl);
681 if (vinfo->vendor_id == OUI_QCA) {
682 switch (vinfo->subcmd) {
683 case QCA_NL80211_VENDOR_SUBCMD_TEST:
684 drv->vendor_cmd_test_avail = 1;
686 #ifdef CONFIG_DRIVER_NL80211_QCA
687 case QCA_NL80211_VENDOR_SUBCMD_ROAMING:
688 drv->roaming_vendor_cmd_avail = 1;
690 case QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY:
691 drv->dfs_vendor_cmd_avail = 1;
693 case QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES:
694 drv->get_features_vendor_cmd_avail = 1;
696 case QCA_NL80211_VENDOR_SUBCMD_GET_PREFERRED_FREQ_LIST:
697 drv->get_pref_freq_list = 1;
699 case QCA_NL80211_VENDOR_SUBCMD_SET_PROBABLE_OPER_CHANNEL:
700 drv->set_prob_oper_freq = 1;
702 case QCA_NL80211_VENDOR_SUBCMD_DO_ACS:
704 WPA_DRIVER_FLAGS_ACS_OFFLOAD;
706 case QCA_NL80211_VENDOR_SUBCMD_SETBAND:
707 drv->setband_vendor_cmd_avail = 1;
709 case QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN:
710 drv->scan_vendor_cmd_avail = 1;
712 case QCA_NL80211_VENDOR_SUBCMD_SET_WIFI_CONFIGURATION:
713 drv->set_wifi_conf_vendor_cmd_avail = 1;
715 #endif /* CONFIG_DRIVER_NL80211_QCA */
719 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor command: vendor_id=0x%x subcmd=%u",
720 vinfo->vendor_id, vinfo->subcmd);
724 if (tb[NL80211_ATTR_VENDOR_EVENTS]) {
728 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_EVENTS], rem) {
729 struct nl80211_vendor_cmd_info *vinfo;
730 if (nla_len(nl) != sizeof(*vinfo)) {
731 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
734 vinfo = nla_data(nl);
735 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor event: vendor_id=0x%x subcmd=%u",
736 vinfo->vendor_id, vinfo->subcmd);
740 wiphy_info_wowlan_triggers(capa,
741 tb[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]);
743 if (tb[NL80211_ATTR_MAX_AP_ASSOC_STA])
745 nla_get_u32(tb[NL80211_ATTR_MAX_AP_ASSOC_STA]);
747 if (tb[NL80211_ATTR_MAX_CSA_COUNTERS])
748 capa->max_csa_counters =
749 nla_get_u8(tb[NL80211_ATTR_MAX_CSA_COUNTERS]);
755 static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
756 struct wiphy_info_data *info)
762 os_memset(info, 0, sizeof(*info));
763 info->capa = &drv->capa;
766 feat = get_nl80211_protocol_features(drv);
767 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
769 msg = nl80211_cmd_msg(drv->first_bss, flags, NL80211_CMD_GET_WIPHY);
770 if (!msg || nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
775 if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info))
778 if (info->auth_supported)
779 drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
780 else if (!info->connect_supported) {
781 wpa_printf(MSG_INFO, "nl80211: Driver does not support "
782 "authentication/association or connect commands");
786 if (info->p2p_go_supported && info->p2p_client_supported)
787 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
788 if (info->p2p_concurrent) {
789 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
790 "interface (driver advertised support)");
791 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
792 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
794 if (info->num_multichan_concurrent > 1) {
795 wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel "
796 "concurrent (driver advertised support)");
797 drv->capa.num_multichan_concurrent =
798 info->num_multichan_concurrent;
800 if (drv->capa.flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)
801 wpa_printf(MSG_DEBUG, "nl80211: use P2P_DEVICE support");
803 /* default to 5000 since early versions of mac80211 don't set it */
804 if (!drv->capa.max_remain_on_chan)
805 drv->capa.max_remain_on_chan = 5000;
807 drv->capa.wmm_ac_supported = info->wmm_ac_supported;
809 drv->capa.mac_addr_rand_sched_scan_supported =
810 info->mac_addr_rand_sched_scan_supported;
811 drv->capa.mac_addr_rand_scan_supported =
812 info->mac_addr_rand_scan_supported;
814 if (info->channel_switch_supported) {
815 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA;
816 if (!drv->capa.max_csa_counters)
817 drv->capa.max_csa_counters = 1;
820 if (!drv->capa.max_sched_scan_plans) {
821 drv->capa.max_sched_scan_plans = 1;
822 drv->capa.max_sched_scan_plan_interval = UINT32_MAX;
823 drv->capa.max_sched_scan_plan_iterations = 0;
830 #ifdef CONFIG_DRIVER_NL80211_QCA
832 static int dfs_info_handler(struct nl_msg *msg, void *arg)
834 struct nlattr *tb[NL80211_ATTR_MAX + 1];
835 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
836 int *dfs_capability_ptr = arg;
838 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
839 genlmsg_attrlen(gnlh, 0), NULL);
841 if (tb[NL80211_ATTR_VENDOR_DATA]) {
842 struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
843 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
845 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
846 nla_data(nl_vend), nla_len(nl_vend), NULL);
848 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]) {
850 val = nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]);
851 wpa_printf(MSG_DEBUG, "nl80211: DFS offload capability: %u",
853 *dfs_capability_ptr = val;
861 static void qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data *drv)
864 int dfs_capability = 0;
867 if (!drv->dfs_vendor_cmd_avail)
870 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
871 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
872 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
873 QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY)) {
878 ret = send_and_recv_msgs(drv, msg, dfs_info_handler, &dfs_capability);
879 if (!ret && dfs_capability)
880 drv->capa.flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD;
884 struct features_info {
887 struct wpa_driver_capa *capa;
891 static int features_info_handler(struct nl_msg *msg, void *arg)
893 struct nlattr *tb[NL80211_ATTR_MAX + 1];
894 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
895 struct features_info *info = arg;
896 struct nlattr *nl_vend, *attr;
898 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
899 genlmsg_attrlen(gnlh, 0), NULL);
901 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
903 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
905 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
906 nla_data(nl_vend), nla_len(nl_vend), NULL);
908 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_FEATURE_FLAGS];
910 int len = nla_len(attr);
911 info->flags = os_malloc(len);
912 if (info->flags != NULL) {
913 os_memcpy(info->flags, nla_data(attr), len);
914 info->flags_len = len;
917 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_CONCURRENCY_CAPA];
919 info->capa->conc_capab = nla_get_u32(attr);
922 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_2_4_BAND];
924 info->capa->max_conc_chan_2_4 = nla_get_u32(attr);
927 QCA_WLAN_VENDOR_ATTR_MAX_CONCURRENT_CHANNELS_5_0_BAND];
929 info->capa->max_conc_chan_5_0 = nla_get_u32(attr);
936 static int check_feature(enum qca_wlan_vendor_features feature,
937 struct features_info *info)
939 size_t idx = feature / 8;
941 return (idx < info->flags_len) &&
942 (info->flags[idx] & BIT(feature % 8));
946 static void qca_nl80211_get_features(struct wpa_driver_nl80211_data *drv)
949 struct features_info info;
952 if (!drv->get_features_vendor_cmd_avail)
955 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
956 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
957 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
958 QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES)) {
963 os_memset(&info, 0, sizeof(info));
964 info.capa = &drv->capa;
965 ret = send_and_recv_msgs(drv, msg, features_info_handler, &info);
966 if (ret || !info.flags)
969 if (check_feature(QCA_WLAN_VENDOR_FEATURE_KEY_MGMT_OFFLOAD, &info))
970 drv->capa.flags |= WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD;
972 if (check_feature(QCA_WLAN_VENDOR_FEATURE_SUPPORT_HW_MODE_ANY, &info))
973 drv->capa.flags |= WPA_DRIVER_FLAGS_SUPPORT_HW_MODE_ANY;
975 if (check_feature(QCA_WLAN_VENDOR_FEATURE_OFFCHANNEL_SIMULTANEOUS,
977 drv->capa.flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
978 if (check_feature(QCA_WLAN_VENDOR_FEATURE_P2P_LISTEN_OFFLOAD, &info))
979 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_LISTEN_OFFLOAD;
983 #endif /* CONFIG_DRIVER_NL80211_QCA */
986 int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
988 struct wiphy_info_data info;
989 if (wpa_driver_nl80211_get_info(drv, &info))
995 drv->has_capability = 1;
996 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
997 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
998 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
999 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK |
1000 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B |
1001 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192;
1002 drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
1003 WPA_DRIVER_AUTH_SHARED |
1004 WPA_DRIVER_AUTH_LEAP;
1006 drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES;
1007 drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE;
1008 drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1011 * As all cfg80211 drivers must support cases where the AP interface is
1012 * removed without the knowledge of wpa_supplicant/hostapd, e.g., in
1013 * case that the user space daemon has crashed, they must be able to
1014 * cleanup all stations and key entries in the AP tear down flow. Thus,
1015 * this flag can/should always be set for cfg80211 drivers.
1017 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT;
1019 if (!info.device_ap_sme) {
1020 drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS;
1023 * No AP SME is currently assumed to also indicate no AP MLME
1024 * in the driver/firmware.
1026 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME;
1029 drv->device_ap_sme = info.device_ap_sme;
1030 drv->poll_command_supported = info.poll_command_supported;
1031 drv->data_tx_status = info.data_tx_status;
1032 drv->p2p_go_ctwindow_supported = info.p2p_go_ctwindow_supported;
1033 if (info.set_qos_map_supported)
1034 drv->capa.flags |= WPA_DRIVER_FLAGS_QOS_MAPPING;
1035 drv->have_low_prio_scan = info.have_low_prio_scan;
1038 * If poll command and tx status are supported, mac80211 is new enough
1039 * to have everything we need to not need monitor interfaces.
1041 drv->use_monitor = !info.poll_command_supported || !info.data_tx_status;
1043 if (drv->device_ap_sme && drv->use_monitor) {
1045 * Non-mac80211 drivers may not support monitor interface.
1046 * Make sure we do not get stuck with incorrect capability here
1047 * by explicitly testing this.
1049 if (!info.monitor_supported) {
1050 wpa_printf(MSG_DEBUG, "nl80211: Disable use_monitor "
1051 "with device_ap_sme since no monitor mode "
1052 "support detected");
1053 drv->use_monitor = 0;
1058 * If we aren't going to use monitor interfaces, but the
1059 * driver doesn't support data TX status, we won't get TX
1060 * status for EAPOL frames.
1062 if (!drv->use_monitor && !info.data_tx_status)
1063 drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
1065 #ifdef CONFIG_DRIVER_NL80211_QCA
1066 qca_nl80211_check_dfs_capa(drv);
1067 qca_nl80211_get_features(drv);
1070 * To enable offchannel simultaneous support in wpa_supplicant, the
1071 * underlying driver needs to support the same along with offchannel TX.
1072 * Offchannel TX support is needed since remain_on_channel and
1073 * action_tx use some common data structures and hence cannot be
1074 * scheduled simultaneously.
1076 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX))
1077 drv->capa.flags &= ~WPA_DRIVER_FLAGS_OFFCHANNEL_SIMULTANEOUS;
1078 #endif /* CONFIG_DRIVER_NL80211_QCA */
1084 struct phy_info_arg {
1086 struct hostapd_hw_modes *modes;
1087 int last_mode, last_chan_idx;
1091 static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa,
1092 struct nlattr *ampdu_factor,
1093 struct nlattr *ampdu_density,
1094 struct nlattr *mcs_set)
1097 mode->ht_capab = nla_get_u16(capa);
1100 mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03;
1103 mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2;
1105 if (mcs_set && nla_len(mcs_set) >= 16) {
1107 mcs = nla_data(mcs_set);
1108 os_memcpy(mode->mcs_set, mcs, 16);
1113 static void phy_info_vht_capa(struct hostapd_hw_modes *mode,
1114 struct nlattr *capa,
1115 struct nlattr *mcs_set)
1118 mode->vht_capab = nla_get_u32(capa);
1120 if (mcs_set && nla_len(mcs_set) >= 8) {
1122 mcs = nla_data(mcs_set);
1123 os_memcpy(mode->vht_mcs_set, mcs, 8);
1128 static void phy_info_freq(struct hostapd_hw_modes *mode,
1129 struct hostapd_channel_data *chan,
1130 struct nlattr *tb_freq[])
1133 chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
1135 chan->dfs_cac_ms = 0;
1136 if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES)
1137 chan->chan = channel;
1139 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
1140 chan->flag |= HOSTAPD_CHAN_DISABLED;
1141 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR])
1142 chan->flag |= HOSTAPD_CHAN_NO_IR;
1143 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
1144 chan->flag |= HOSTAPD_CHAN_RADAR;
1145 if (tb_freq[NL80211_FREQUENCY_ATTR_INDOOR_ONLY])
1146 chan->flag |= HOSTAPD_CHAN_INDOOR_ONLY;
1147 if (tb_freq[NL80211_FREQUENCY_ATTR_GO_CONCURRENT])
1148 chan->flag |= HOSTAPD_CHAN_GO_CONCURRENT;
1150 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) {
1151 enum nl80211_dfs_state state =
1152 nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]);
1155 case NL80211_DFS_USABLE:
1156 chan->flag |= HOSTAPD_CHAN_DFS_USABLE;
1158 case NL80211_DFS_AVAILABLE:
1159 chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE;
1161 case NL80211_DFS_UNAVAILABLE:
1162 chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE;
1167 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) {
1168 chan->dfs_cac_ms = nla_get_u32(
1169 tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]);
1174 static int phy_info_freqs(struct phy_info_arg *phy_info,
1175 struct hostapd_hw_modes *mode, struct nlattr *tb)
1177 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
1178 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
1179 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
1180 [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
1181 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
1182 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
1183 [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 },
1185 int new_channels = 0;
1186 struct hostapd_channel_data *channel;
1187 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
1188 struct nlattr *nl_freq;
1194 nla_for_each_nested(nl_freq, tb, rem_freq) {
1195 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1196 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1197 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1202 channel = os_realloc_array(mode->channels,
1203 mode->num_channels + new_channels,
1204 sizeof(struct hostapd_channel_data));
1208 mode->channels = channel;
1209 mode->num_channels += new_channels;
1211 idx = phy_info->last_chan_idx;
1213 nla_for_each_nested(nl_freq, tb, rem_freq) {
1214 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1215 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1216 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1218 phy_info_freq(mode, &mode->channels[idx], tb_freq);
1221 phy_info->last_chan_idx = idx;
1227 static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb)
1229 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
1230 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
1231 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] =
1232 { .type = NLA_FLAG },
1234 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
1235 struct nlattr *nl_rate;
1241 nla_for_each_nested(nl_rate, tb, rem_rate) {
1242 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1243 nla_data(nl_rate), nla_len(nl_rate),
1245 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1250 mode->rates = os_calloc(mode->num_rates, sizeof(int));
1256 nla_for_each_nested(nl_rate, tb, rem_rate) {
1257 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1258 nla_data(nl_rate), nla_len(nl_rate),
1260 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1262 mode->rates[idx] = nla_get_u32(
1263 tb_rate[NL80211_BITRATE_ATTR_RATE]);
1271 static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band)
1273 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
1274 struct hostapd_hw_modes *mode;
1277 if (phy_info->last_mode != nl_band->nla_type) {
1278 mode = os_realloc_array(phy_info->modes,
1279 *phy_info->num_modes + 1,
1282 phy_info->failed = 1;
1285 phy_info->modes = mode;
1287 mode = &phy_info->modes[*(phy_info->num_modes)];
1288 os_memset(mode, 0, sizeof(*mode));
1289 mode->mode = NUM_HOSTAPD_MODES;
1290 mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN |
1291 HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN;
1294 * Unsupported VHT MCS stream is defined as value 3, so the VHT
1295 * MCS RX/TX map must be initialized with 0xffff to mark all 8
1296 * possible streams as unsupported. This will be overridden if
1297 * driver advertises VHT support.
1299 mode->vht_mcs_set[0] = 0xff;
1300 mode->vht_mcs_set[1] = 0xff;
1301 mode->vht_mcs_set[4] = 0xff;
1302 mode->vht_mcs_set[5] = 0xff;
1304 *(phy_info->num_modes) += 1;
1305 phy_info->last_mode = nl_band->nla_type;
1306 phy_info->last_chan_idx = 0;
1308 mode = &phy_info->modes[*(phy_info->num_modes) - 1];
1310 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
1311 nla_len(nl_band), NULL);
1313 phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA],
1314 tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR],
1315 tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY],
1316 tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
1317 phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA],
1318 tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]);
1319 ret = phy_info_freqs(phy_info, mode, tb_band[NL80211_BAND_ATTR_FREQS]);
1321 ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]);
1323 phy_info->failed = 1;
1331 static int phy_info_handler(struct nl_msg *msg, void *arg)
1333 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1334 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1335 struct phy_info_arg *phy_info = arg;
1336 struct nlattr *nl_band;
1339 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1340 genlmsg_attrlen(gnlh, 0), NULL);
1342 if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
1345 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band)
1347 int res = phy_info_band(phy_info, nl_band);
1356 static struct hostapd_hw_modes *
1357 wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes,
1361 struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode;
1362 int i, mode11g_idx = -1;
1364 /* heuristic to set up modes */
1365 for (m = 0; m < *num_modes; m++) {
1366 if (!modes[m].num_channels)
1368 if (modes[m].channels[0].freq < 4000) {
1369 modes[m].mode = HOSTAPD_MODE_IEEE80211B;
1370 for (i = 0; i < modes[m].num_rates; i++) {
1371 if (modes[m].rates[i] > 200) {
1372 modes[m].mode = HOSTAPD_MODE_IEEE80211G;
1376 } else if (modes[m].channels[0].freq > 50000)
1377 modes[m].mode = HOSTAPD_MODE_IEEE80211AD;
1379 modes[m].mode = HOSTAPD_MODE_IEEE80211A;
1382 /* If only 802.11g mode is included, use it to construct matching
1383 * 802.11b mode data. */
1385 for (m = 0; m < *num_modes; m++) {
1386 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B)
1387 return modes; /* 802.11b already included */
1388 if (modes[m].mode == HOSTAPD_MODE_IEEE80211G)
1392 if (mode11g_idx < 0)
1393 return modes; /* 2.4 GHz band not supported at all */
1395 nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes));
1397 return modes; /* Could not add 802.11b mode */
1399 mode = &nmodes[*num_modes];
1400 os_memset(mode, 0, sizeof(*mode));
1404 mode->mode = HOSTAPD_MODE_IEEE80211B;
1406 mode11g = &modes[mode11g_idx];
1407 mode->num_channels = mode11g->num_channels;
1408 mode->channels = os_malloc(mode11g->num_channels *
1409 sizeof(struct hostapd_channel_data));
1410 if (mode->channels == NULL) {
1412 return modes; /* Could not add 802.11b mode */
1414 os_memcpy(mode->channels, mode11g->channels,
1415 mode11g->num_channels * sizeof(struct hostapd_channel_data));
1417 mode->num_rates = 0;
1418 mode->rates = os_malloc(4 * sizeof(int));
1419 if (mode->rates == NULL) {
1420 os_free(mode->channels);
1422 return modes; /* Could not add 802.11b mode */
1425 for (i = 0; i < mode11g->num_rates; i++) {
1426 if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 &&
1427 mode11g->rates[i] != 55 && mode11g->rates[i] != 110)
1429 mode->rates[mode->num_rates] = mode11g->rates[i];
1431 if (mode->num_rates == 4)
1435 if (mode->num_rates == 0) {
1436 os_free(mode->channels);
1437 os_free(mode->rates);
1439 return modes; /* No 802.11b rates */
1442 wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g "
1449 static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start,
1454 for (c = 0; c < mode->num_channels; c++) {
1455 struct hostapd_channel_data *chan = &mode->channels[c];
1456 if (chan->freq - 10 >= start && chan->freq + 10 <= end)
1457 chan->flag |= HOSTAPD_CHAN_HT40;
1462 static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start,
1467 for (c = 0; c < mode->num_channels; c++) {
1468 struct hostapd_channel_data *chan = &mode->channels[c];
1469 if (!(chan->flag & HOSTAPD_CHAN_HT40))
1471 if (chan->freq - 30 >= start && chan->freq - 10 <= end)
1472 chan->flag |= HOSTAPD_CHAN_HT40MINUS;
1473 if (chan->freq + 10 >= start && chan->freq + 30 <= end)
1474 chan->flag |= HOSTAPD_CHAN_HT40PLUS;
1479 static void nl80211_reg_rule_max_eirp(u32 start, u32 end, u32 max_eirp,
1480 struct phy_info_arg *results)
1484 for (m = 0; m < *results->num_modes; m++) {
1486 struct hostapd_hw_modes *mode = &results->modes[m];
1488 for (c = 0; c < mode->num_channels; c++) {
1489 struct hostapd_channel_data *chan = &mode->channels[c];
1490 if ((u32) chan->freq - 10 >= start &&
1491 (u32) chan->freq + 10 <= end)
1492 chan->max_tx_power = max_eirp;
1498 static void nl80211_reg_rule_ht40(u32 start, u32 end,
1499 struct phy_info_arg *results)
1503 for (m = 0; m < *results->num_modes; m++) {
1504 if (!(results->modes[m].ht_capab &
1505 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
1507 nl80211_set_ht40_mode(&results->modes[m], start, end);
1512 static void nl80211_reg_rule_sec(struct nlattr *tb[],
1513 struct phy_info_arg *results)
1515 u32 start, end, max_bw;
1518 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
1519 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
1520 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
1523 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
1524 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
1525 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
1530 for (m = 0; m < *results->num_modes; m++) {
1531 if (!(results->modes[m].ht_capab &
1532 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
1534 nl80211_set_ht40_mode_sec(&results->modes[m], start, end);
1539 static void nl80211_set_vht_mode(struct hostapd_hw_modes *mode, int start,
1540 int end, int max_bw)
1544 for (c = 0; c < mode->num_channels; c++) {
1545 struct hostapd_channel_data *chan = &mode->channels[c];
1546 if (chan->freq - 10 >= start && chan->freq + 70 <= end)
1547 chan->flag |= HOSTAPD_CHAN_VHT_10_70;
1549 if (chan->freq - 30 >= start && chan->freq + 50 <= end)
1550 chan->flag |= HOSTAPD_CHAN_VHT_30_50;
1552 if (chan->freq - 50 >= start && chan->freq + 30 <= end)
1553 chan->flag |= HOSTAPD_CHAN_VHT_50_30;
1555 if (chan->freq - 70 >= start && chan->freq + 10 <= end)
1556 chan->flag |= HOSTAPD_CHAN_VHT_70_10;
1558 if (max_bw >= 160) {
1559 if (chan->freq - 10 >= start && chan->freq + 150 <= end)
1560 chan->flag |= HOSTAPD_CHAN_VHT_10_150;
1562 if (chan->freq - 30 >= start && chan->freq + 130 <= end)
1563 chan->flag |= HOSTAPD_CHAN_VHT_30_130;
1565 if (chan->freq - 50 >= start && chan->freq + 110 <= end)
1566 chan->flag |= HOSTAPD_CHAN_VHT_50_110;
1568 if (chan->freq - 70 >= start && chan->freq + 90 <= end)
1569 chan->flag |= HOSTAPD_CHAN_VHT_70_90;
1571 if (chan->freq - 90 >= start && chan->freq + 70 <= end)
1572 chan->flag |= HOSTAPD_CHAN_VHT_90_70;
1574 if (chan->freq - 110 >= start && chan->freq + 50 <= end)
1575 chan->flag |= HOSTAPD_CHAN_VHT_110_50;
1577 if (chan->freq - 130 >= start && chan->freq + 30 <= end)
1578 chan->flag |= HOSTAPD_CHAN_VHT_130_30;
1580 if (chan->freq - 150 >= start && chan->freq + 10 <= end)
1581 chan->flag |= HOSTAPD_CHAN_VHT_150_10;
1587 static void nl80211_reg_rule_vht(struct nlattr *tb[],
1588 struct phy_info_arg *results)
1590 u32 start, end, max_bw;
1593 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
1594 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
1595 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
1598 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
1599 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
1600 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
1605 for (m = 0; m < *results->num_modes; m++) {
1606 if (!(results->modes[m].ht_capab &
1607 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
1609 /* TODO: use a real VHT support indication */
1610 if (!results->modes[m].vht_capab)
1613 nl80211_set_vht_mode(&results->modes[m], start, end, max_bw);
1618 static const char * dfs_domain_name(enum nl80211_dfs_regions region)
1621 case NL80211_DFS_UNSET:
1623 case NL80211_DFS_FCC:
1625 case NL80211_DFS_ETSI:
1627 case NL80211_DFS_JP:
1630 return "DFS-invalid";
1635 static int nl80211_get_reg(struct nl_msg *msg, void *arg)
1637 struct phy_info_arg *results = arg;
1638 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1639 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1640 struct nlattr *nl_rule;
1641 struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1];
1643 static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
1644 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
1645 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
1646 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
1647 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
1648 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
1649 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
1652 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1653 genlmsg_attrlen(gnlh, 0), NULL);
1654 if (!tb_msg[NL80211_ATTR_REG_ALPHA2] ||
1655 !tb_msg[NL80211_ATTR_REG_RULES]) {
1656 wpa_printf(MSG_DEBUG, "nl80211: No regulatory information "
1661 if (tb_msg[NL80211_ATTR_DFS_REGION]) {
1662 enum nl80211_dfs_regions dfs_domain;
1663 dfs_domain = nla_get_u8(tb_msg[NL80211_ATTR_DFS_REGION]);
1664 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s (%s)",
1665 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]),
1666 dfs_domain_name(dfs_domain));
1668 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s",
1669 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]));
1672 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
1674 u32 start, end, max_eirp = 0, max_bw = 0, flags = 0;
1675 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
1676 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
1677 if (tb_rule[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
1678 tb_rule[NL80211_ATTR_FREQ_RANGE_END] == NULL)
1680 start = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
1681 end = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
1682 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
1683 max_eirp = nla_get_u32(tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) / 100;
1684 if (tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW])
1685 max_bw = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
1686 if (tb_rule[NL80211_ATTR_REG_RULE_FLAGS])
1687 flags = nla_get_u32(tb_rule[NL80211_ATTR_REG_RULE_FLAGS]);
1689 wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz %u mBm%s%s%s%s%s%s%s%s",
1690 start, end, max_bw, max_eirp,
1691 flags & NL80211_RRF_NO_OFDM ? " (no OFDM)" : "",
1692 flags & NL80211_RRF_NO_CCK ? " (no CCK)" : "",
1693 flags & NL80211_RRF_NO_INDOOR ? " (no indoor)" : "",
1694 flags & NL80211_RRF_NO_OUTDOOR ? " (no outdoor)" :
1696 flags & NL80211_RRF_DFS ? " (DFS)" : "",
1697 flags & NL80211_RRF_PTP_ONLY ? " (PTP only)" : "",
1698 flags & NL80211_RRF_PTMP_ONLY ? " (PTMP only)" : "",
1699 flags & NL80211_RRF_NO_IR ? " (no IR)" : "");
1701 nl80211_reg_rule_ht40(start, end, results);
1702 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
1703 nl80211_reg_rule_max_eirp(start, end, max_eirp,
1707 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
1709 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
1710 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
1711 nl80211_reg_rule_sec(tb_rule, results);
1714 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
1716 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
1717 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
1718 nl80211_reg_rule_vht(tb_rule, results);
1725 static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv,
1726 struct phy_info_arg *results)
1730 msg = nlmsg_alloc();
1734 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1735 return send_and_recv_msgs(drv, msg, nl80211_get_reg, results);
1739 struct hostapd_hw_modes *
1740 nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
1743 struct i802_bss *bss = priv;
1744 struct wpa_driver_nl80211_data *drv = bss->drv;
1747 struct phy_info_arg result = {
1748 .num_modes = num_modes,
1757 feat = get_nl80211_protocol_features(drv);
1758 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
1759 nl_flags = NLM_F_DUMP;
1760 if (!(msg = nl80211_cmd_msg(bss, nl_flags, NL80211_CMD_GET_WIPHY)) ||
1761 nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
1766 if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) {
1767 nl80211_set_regulatory_flags(drv, &result);
1768 if (result.failed) {
1771 for (i = 0; result.modes && i < *num_modes; i++) {
1772 os_free(result.modes[i].channels);
1773 os_free(result.modes[i].rates);
1775 os_free(result.modes);
1778 return wpa_driver_nl80211_postprocess_modes(result.modes,