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 void wiphy_info_feature_flags(struct wiphy_info_data *info,
342 struct wpa_driver_capa *capa = info->capa;
347 flags = nla_get_u32(tb);
349 if (flags & NL80211_FEATURE_SK_TX_STATUS)
350 info->data_tx_status = 1;
352 if (flags & NL80211_FEATURE_INACTIVITY_TIMER)
353 capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER;
355 if (flags & NL80211_FEATURE_SAE)
356 capa->flags |= WPA_DRIVER_FLAGS_SAE;
358 if (flags & NL80211_FEATURE_NEED_OBSS_SCAN)
359 capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN;
361 if (flags & NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)
362 capa->flags |= WPA_DRIVER_FLAGS_HT_2040_COEX;
364 if (flags & NL80211_FEATURE_TDLS_CHANNEL_SWITCH) {
365 wpa_printf(MSG_DEBUG, "nl80211: TDLS channel switch");
366 capa->flags |= WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH;
369 if (flags & NL80211_FEATURE_P2P_GO_CTWIN)
370 info->p2p_go_ctwindow_supported = 1;
372 if (flags & NL80211_FEATURE_LOW_PRIORITY_SCAN)
373 info->have_low_prio_scan = 1;
375 if (flags & NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)
376 info->mac_addr_rand_scan_supported = 1;
378 if (flags & NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR)
379 info->mac_addr_rand_sched_scan_supported = 1;
381 if (flags & NL80211_FEATURE_STATIC_SMPS)
382 capa->smps_modes |= WPA_DRIVER_SMPS_MODE_STATIC;
384 if (flags & NL80211_FEATURE_DYNAMIC_SMPS)
385 capa->smps_modes |= WPA_DRIVER_SMPS_MODE_DYNAMIC;
387 if (flags & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)
388 info->wmm_ac_supported = 1;
390 if (flags & NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES)
391 capa->rrm_flags |= WPA_DRIVER_FLAGS_DS_PARAM_SET_IE_IN_PROBES;
393 if (flags & NL80211_FEATURE_WFA_TPC_IE_IN_PROBES)
394 capa->rrm_flags |= WPA_DRIVER_FLAGS_WFA_TPC_IE_IN_PROBES;
396 if (flags & NL80211_FEATURE_QUIET)
397 capa->rrm_flags |= WPA_DRIVER_FLAGS_QUIET;
399 if (flags & NL80211_FEATURE_TX_POWER_INSERTION)
400 capa->rrm_flags |= WPA_DRIVER_FLAGS_TX_POWER_INSERTION;
402 if (flags & NL80211_FEATURE_HT_IBSS)
403 capa->flags |= WPA_DRIVER_FLAGS_HT_IBSS;
407 static void wiphy_info_probe_resp_offload(struct wpa_driver_capa *capa,
415 protocols = nla_get_u32(tb);
416 wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response offload in AP "
418 capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD;
419 capa->probe_resp_offloads = probe_resp_offload_support(protocols);
423 static void wiphy_info_wowlan_triggers(struct wpa_driver_capa *capa,
426 struct nlattr *triggers[MAX_NL80211_WOWLAN_TRIG + 1];
431 if (nla_parse_nested(triggers, MAX_NL80211_WOWLAN_TRIG,
435 if (triggers[NL80211_WOWLAN_TRIG_ANY])
436 capa->wowlan_triggers.any = 1;
437 if (triggers[NL80211_WOWLAN_TRIG_DISCONNECT])
438 capa->wowlan_triggers.disconnect = 1;
439 if (triggers[NL80211_WOWLAN_TRIG_MAGIC_PKT])
440 capa->wowlan_triggers.magic_pkt = 1;
441 if (triggers[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE])
442 capa->wowlan_triggers.gtk_rekey_failure = 1;
443 if (triggers[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST])
444 capa->wowlan_triggers.eap_identity_req = 1;
445 if (triggers[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE])
446 capa->wowlan_triggers.four_way_handshake = 1;
447 if (triggers[NL80211_WOWLAN_TRIG_RFKILL_RELEASE])
448 capa->wowlan_triggers.rfkill_release = 1;
452 static int wiphy_info_handler(struct nl_msg *msg, void *arg)
454 struct nlattr *tb[NL80211_ATTR_MAX + 1];
455 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
456 struct wiphy_info_data *info = arg;
457 struct wpa_driver_capa *capa = info->capa;
458 struct wpa_driver_nl80211_data *drv = info->drv;
460 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
461 genlmsg_attrlen(gnlh, 0), NULL);
463 if (tb[NL80211_ATTR_WIPHY_NAME])
464 os_strlcpy(drv->phyname,
465 nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]),
466 sizeof(drv->phyname));
467 if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS])
468 capa->max_scan_ssids =
469 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]);
471 if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS])
472 capa->max_sched_scan_ssids =
473 nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]);
475 if (tb[NL80211_ATTR_MAX_MATCH_SETS])
476 capa->max_match_sets =
477 nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]);
479 if (tb[NL80211_ATTR_MAC_ACL_MAX])
480 capa->max_acl_mac_addrs =
481 nla_get_u8(tb[NL80211_ATTR_MAC_ACL_MAX]);
483 wiphy_info_supported_iftypes(info, tb[NL80211_ATTR_SUPPORTED_IFTYPES]);
484 wiphy_info_iface_comb(info, tb[NL80211_ATTR_INTERFACE_COMBINATIONS]);
485 wiphy_info_supp_cmds(info, tb[NL80211_ATTR_SUPPORTED_COMMANDS]);
486 wiphy_info_cipher_suites(info, tb[NL80211_ATTR_CIPHER_SUITES]);
488 if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) {
489 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based "
491 capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
494 if (tb[NL80211_ATTR_ROAM_SUPPORT]) {
495 wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming");
496 capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION;
499 wiphy_info_max_roc(capa,
500 tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]);
502 if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD])
503 capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD;
505 wiphy_info_tdls(capa, tb[NL80211_ATTR_TDLS_SUPPORT],
506 tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]);
508 if (tb[NL80211_ATTR_DEVICE_AP_SME])
509 info->device_ap_sme = 1;
511 wiphy_info_feature_flags(info, tb[NL80211_ATTR_FEATURE_FLAGS]);
512 wiphy_info_probe_resp_offload(capa,
513 tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]);
515 if (tb[NL80211_ATTR_EXT_CAPA] && tb[NL80211_ATTR_EXT_CAPA_MASK] &&
516 drv->extended_capa == NULL) {
518 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA]));
519 if (drv->extended_capa) {
520 os_memcpy(drv->extended_capa,
521 nla_data(tb[NL80211_ATTR_EXT_CAPA]),
522 nla_len(tb[NL80211_ATTR_EXT_CAPA]));
523 drv->extended_capa_len =
524 nla_len(tb[NL80211_ATTR_EXT_CAPA]);
526 drv->extended_capa_mask =
527 os_malloc(nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK]));
528 if (drv->extended_capa_mask) {
529 os_memcpy(drv->extended_capa_mask,
530 nla_data(tb[NL80211_ATTR_EXT_CAPA_MASK]),
531 nla_len(tb[NL80211_ATTR_EXT_CAPA_MASK]));
533 os_free(drv->extended_capa);
534 drv->extended_capa = NULL;
535 drv->extended_capa_len = 0;
539 if (tb[NL80211_ATTR_VENDOR_DATA]) {
543 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_DATA], rem) {
544 struct nl80211_vendor_cmd_info *vinfo;
545 if (nla_len(nl) != sizeof(*vinfo)) {
546 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
549 vinfo = nla_data(nl);
550 switch (vinfo->subcmd) {
551 case QCA_NL80211_VENDOR_SUBCMD_TEST:
552 drv->vendor_cmd_test_avail = 1;
554 case QCA_NL80211_VENDOR_SUBCMD_ROAMING:
555 drv->roaming_vendor_cmd_avail = 1;
557 case QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY:
558 drv->dfs_vendor_cmd_avail = 1;
560 case QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES:
561 drv->get_features_vendor_cmd_avail = 1;
563 case QCA_NL80211_VENDOR_SUBCMD_DO_ACS:
564 drv->capa.flags |= WPA_DRIVER_FLAGS_ACS_OFFLOAD;
568 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor command: vendor_id=0x%x subcmd=%u",
569 vinfo->vendor_id, vinfo->subcmd);
573 if (tb[NL80211_ATTR_VENDOR_EVENTS]) {
577 nla_for_each_nested(nl, tb[NL80211_ATTR_VENDOR_EVENTS], rem) {
578 struct nl80211_vendor_cmd_info *vinfo;
579 if (nla_len(nl) != sizeof(*vinfo)) {
580 wpa_printf(MSG_DEBUG, "nl80211: Unexpected vendor data info");
583 vinfo = nla_data(nl);
584 wpa_printf(MSG_DEBUG, "nl80211: Supported vendor event: vendor_id=0x%x subcmd=%u",
585 vinfo->vendor_id, vinfo->subcmd);
589 wiphy_info_wowlan_triggers(capa,
590 tb[NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED]);
592 if (tb[NL80211_ATTR_MAX_AP_ASSOC_STA])
594 nla_get_u32(tb[NL80211_ATTR_MAX_AP_ASSOC_STA]);
600 static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv,
601 struct wiphy_info_data *info)
607 os_memset(info, 0, sizeof(*info));
608 info->capa = &drv->capa;
611 feat = get_nl80211_protocol_features(drv);
612 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
614 msg = nl80211_cmd_msg(drv->first_bss, flags, NL80211_CMD_GET_WIPHY);
615 if (!msg || nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
620 if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info))
623 if (info->auth_supported)
624 drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
625 else if (!info->connect_supported) {
626 wpa_printf(MSG_INFO, "nl80211: Driver does not support "
627 "authentication/association or connect commands");
631 if (info->p2p_go_supported && info->p2p_client_supported)
632 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
633 if (info->p2p_concurrent) {
634 wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
635 "interface (driver advertised support)");
636 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
637 drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
639 if (info->num_multichan_concurrent > 1) {
640 wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel "
641 "concurrent (driver advertised support)");
642 drv->capa.num_multichan_concurrent =
643 info->num_multichan_concurrent;
645 if (drv->capa.flags & WPA_DRIVER_FLAGS_DEDICATED_P2P_DEVICE)
646 wpa_printf(MSG_DEBUG, "nl80211: use P2P_DEVICE support");
648 /* default to 5000 since early versions of mac80211 don't set it */
649 if (!drv->capa.max_remain_on_chan)
650 drv->capa.max_remain_on_chan = 5000;
652 if (info->channel_switch_supported)
653 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_CSA;
654 drv->capa.wmm_ac_supported = info->wmm_ac_supported;
656 drv->capa.mac_addr_rand_sched_scan_supported =
657 info->mac_addr_rand_sched_scan_supported;
658 drv->capa.mac_addr_rand_scan_supported =
659 info->mac_addr_rand_scan_supported;
665 static int dfs_info_handler(struct nl_msg *msg, void *arg)
667 struct nlattr *tb[NL80211_ATTR_MAX + 1];
668 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
669 int *dfs_capability_ptr = arg;
671 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
672 genlmsg_attrlen(gnlh, 0), NULL);
674 if (tb[NL80211_ATTR_VENDOR_DATA]) {
675 struct nlattr *nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
676 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
678 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
679 nla_data(nl_vend), nla_len(nl_vend), NULL);
681 if (tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]) {
683 val = nla_get_u32(tb_vendor[QCA_WLAN_VENDOR_ATTR_DFS]);
684 wpa_printf(MSG_DEBUG, "nl80211: DFS offload capability: %u",
686 *dfs_capability_ptr = val;
694 static void qca_nl80211_check_dfs_capa(struct wpa_driver_nl80211_data *drv)
697 int dfs_capability = 0;
700 if (!drv->dfs_vendor_cmd_avail)
703 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
704 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
705 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
706 QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY)) {
711 ret = send_and_recv_msgs(drv, msg, dfs_info_handler, &dfs_capability);
712 if (!ret && dfs_capability)
713 drv->capa.flags |= WPA_DRIVER_FLAGS_DFS_OFFLOAD;
717 struct features_info {
723 static int features_info_handler(struct nl_msg *msg, void *arg)
725 struct nlattr *tb[NL80211_ATTR_MAX + 1];
726 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
727 struct features_info *info = arg;
728 struct nlattr *nl_vend, *attr;
730 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
731 genlmsg_attrlen(gnlh, 0), NULL);
733 nl_vend = tb[NL80211_ATTR_VENDOR_DATA];
735 struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_MAX + 1];
737 nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_MAX,
738 nla_data(nl_vend), nla_len(nl_vend), NULL);
740 attr = tb_vendor[QCA_WLAN_VENDOR_ATTR_FEATURE_FLAGS];
742 info->flags = nla_data(attr);
743 info->flags_len = nla_len(attr);
751 static int check_feature(enum qca_wlan_vendor_features feature,
752 struct features_info *info)
754 size_t idx = feature / 8;
756 return (idx < info->flags_len) &&
757 (info->flags[idx] & BIT(feature % 8));
761 static void qca_nl80211_get_features(struct wpa_driver_nl80211_data *drv)
764 struct features_info info;
767 if (!drv->get_features_vendor_cmd_avail)
770 if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
771 nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
772 nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
773 QCA_NL80211_VENDOR_SUBCMD_GET_FEATURES)) {
778 os_memset(&info, 0, sizeof(info));
779 ret = send_and_recv_msgs(drv, msg, features_info_handler, &info);
780 if (ret || !info.flags)
783 if (check_feature(QCA_WLAN_VENDOR_FEATURE_KEY_MGMT_OFFLOAD, &info))
784 drv->capa.flags |= WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD;
788 int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv)
790 struct wiphy_info_data info;
791 if (wpa_driver_nl80211_get_info(drv, &info))
797 drv->has_capability = 1;
798 drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
799 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
800 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
801 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK |
802 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B |
803 WPA_DRIVER_CAPA_KEY_MGMT_SUITE_B_192;
804 drv->capa.auth = WPA_DRIVER_AUTH_OPEN |
805 WPA_DRIVER_AUTH_SHARED |
806 WPA_DRIVER_AUTH_LEAP;
808 drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES;
809 drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE;
810 drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
813 * As all cfg80211 drivers must support cases where the AP interface is
814 * removed without the knowledge of wpa_supplicant/hostapd, e.g., in
815 * case that the user space daemon has crashed, they must be able to
816 * cleanup all stations and key entries in the AP tear down flow. Thus,
817 * this flag can/should always be set for cfg80211 drivers.
819 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT;
821 if (!info.device_ap_sme) {
822 drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS;
825 * No AP SME is currently assumed to also indicate no AP MLME
826 * in the driver/firmware.
828 drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME;
831 drv->device_ap_sme = info.device_ap_sme;
832 drv->poll_command_supported = info.poll_command_supported;
833 drv->data_tx_status = info.data_tx_status;
834 drv->p2p_go_ctwindow_supported = info.p2p_go_ctwindow_supported;
835 if (info.set_qos_map_supported)
836 drv->capa.flags |= WPA_DRIVER_FLAGS_QOS_MAPPING;
837 drv->have_low_prio_scan = info.have_low_prio_scan;
840 * If poll command and tx status are supported, mac80211 is new enough
841 * to have everything we need to not need monitor interfaces.
843 drv->use_monitor = !info.poll_command_supported || !info.data_tx_status;
845 if (drv->device_ap_sme && drv->use_monitor) {
847 * Non-mac80211 drivers may not support monitor interface.
848 * Make sure we do not get stuck with incorrect capability here
849 * by explicitly testing this.
851 if (!info.monitor_supported) {
852 wpa_printf(MSG_DEBUG, "nl80211: Disable use_monitor "
853 "with device_ap_sme since no monitor mode "
855 drv->use_monitor = 0;
860 * If we aren't going to use monitor interfaces, but the
861 * driver doesn't support data TX status, we won't get TX
862 * status for EAPOL frames.
864 if (!drv->use_monitor && !info.data_tx_status)
865 drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
867 qca_nl80211_check_dfs_capa(drv);
868 qca_nl80211_get_features(drv);
874 struct phy_info_arg {
876 struct hostapd_hw_modes *modes;
877 int last_mode, last_chan_idx;
880 static void phy_info_ht_capa(struct hostapd_hw_modes *mode, struct nlattr *capa,
881 struct nlattr *ampdu_factor,
882 struct nlattr *ampdu_density,
883 struct nlattr *mcs_set)
886 mode->ht_capab = nla_get_u16(capa);
889 mode->a_mpdu_params |= nla_get_u8(ampdu_factor) & 0x03;
892 mode->a_mpdu_params |= nla_get_u8(ampdu_density) << 2;
894 if (mcs_set && nla_len(mcs_set) >= 16) {
896 mcs = nla_data(mcs_set);
897 os_memcpy(mode->mcs_set, mcs, 16);
902 static void phy_info_vht_capa(struct hostapd_hw_modes *mode,
904 struct nlattr *mcs_set)
907 mode->vht_capab = nla_get_u32(capa);
909 if (mcs_set && nla_len(mcs_set) >= 8) {
911 mcs = nla_data(mcs_set);
912 os_memcpy(mode->vht_mcs_set, mcs, 8);
917 static void phy_info_freq(struct hostapd_hw_modes *mode,
918 struct hostapd_channel_data *chan,
919 struct nlattr *tb_freq[])
922 chan->freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
924 chan->dfs_cac_ms = 0;
925 if (ieee80211_freq_to_chan(chan->freq, &channel) != NUM_HOSTAPD_MODES)
926 chan->chan = channel;
928 if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
929 chan->flag |= HOSTAPD_CHAN_DISABLED;
930 if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR])
931 chan->flag |= HOSTAPD_CHAN_NO_IR;
932 if (tb_freq[NL80211_FREQUENCY_ATTR_RADAR])
933 chan->flag |= HOSTAPD_CHAN_RADAR;
934 if (tb_freq[NL80211_FREQUENCY_ATTR_INDOOR_ONLY])
935 chan->flag |= HOSTAPD_CHAN_INDOOR_ONLY;
936 if (tb_freq[NL80211_FREQUENCY_ATTR_GO_CONCURRENT])
937 chan->flag |= HOSTAPD_CHAN_GO_CONCURRENT;
939 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]) {
940 enum nl80211_dfs_state state =
941 nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_DFS_STATE]);
944 case NL80211_DFS_USABLE:
945 chan->flag |= HOSTAPD_CHAN_DFS_USABLE;
947 case NL80211_DFS_AVAILABLE:
948 chan->flag |= HOSTAPD_CHAN_DFS_AVAILABLE;
950 case NL80211_DFS_UNAVAILABLE:
951 chan->flag |= HOSTAPD_CHAN_DFS_UNAVAILABLE;
956 if (tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]) {
957 chan->dfs_cac_ms = nla_get_u32(
958 tb_freq[NL80211_FREQUENCY_ATTR_DFS_CAC_TIME]);
963 static int phy_info_freqs(struct phy_info_arg *phy_info,
964 struct hostapd_hw_modes *mode, struct nlattr *tb)
966 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
967 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
968 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
969 [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
970 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
971 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
972 [NL80211_FREQUENCY_ATTR_DFS_STATE] = { .type = NLA_U32 },
974 int new_channels = 0;
975 struct hostapd_channel_data *channel;
976 struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
977 struct nlattr *nl_freq;
983 nla_for_each_nested(nl_freq, tb, rem_freq) {
984 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
985 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
986 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
991 channel = os_realloc_array(mode->channels,
992 mode->num_channels + new_channels,
993 sizeof(struct hostapd_channel_data));
997 mode->channels = channel;
998 mode->num_channels += new_channels;
1000 idx = phy_info->last_chan_idx;
1002 nla_for_each_nested(nl_freq, tb, rem_freq) {
1003 nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX,
1004 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
1005 if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
1007 phy_info_freq(mode, &mode->channels[idx], tb_freq);
1010 phy_info->last_chan_idx = idx;
1016 static int phy_info_rates(struct hostapd_hw_modes *mode, struct nlattr *tb)
1018 static struct nla_policy rate_policy[NL80211_BITRATE_ATTR_MAX + 1] = {
1019 [NL80211_BITRATE_ATTR_RATE] = { .type = NLA_U32 },
1020 [NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE] =
1021 { .type = NLA_FLAG },
1023 struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
1024 struct nlattr *nl_rate;
1030 nla_for_each_nested(nl_rate, tb, rem_rate) {
1031 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1032 nla_data(nl_rate), nla_len(nl_rate),
1034 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1039 mode->rates = os_calloc(mode->num_rates, sizeof(int));
1045 nla_for_each_nested(nl_rate, tb, rem_rate) {
1046 nla_parse(tb_rate, NL80211_BITRATE_ATTR_MAX,
1047 nla_data(nl_rate), nla_len(nl_rate),
1049 if (!tb_rate[NL80211_BITRATE_ATTR_RATE])
1051 mode->rates[idx] = nla_get_u32(
1052 tb_rate[NL80211_BITRATE_ATTR_RATE]);
1060 static int phy_info_band(struct phy_info_arg *phy_info, struct nlattr *nl_band)
1062 struct nlattr *tb_band[NL80211_BAND_ATTR_MAX + 1];
1063 struct hostapd_hw_modes *mode;
1066 if (phy_info->last_mode != nl_band->nla_type) {
1067 mode = os_realloc_array(phy_info->modes,
1068 *phy_info->num_modes + 1,
1072 phy_info->modes = mode;
1074 mode = &phy_info->modes[*(phy_info->num_modes)];
1075 os_memset(mode, 0, sizeof(*mode));
1076 mode->mode = NUM_HOSTAPD_MODES;
1077 mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN |
1078 HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN;
1081 * Unsupported VHT MCS stream is defined as value 3, so the VHT
1082 * MCS RX/TX map must be initialized with 0xffff to mark all 8
1083 * possible streams as unsupported. This will be overridden if
1084 * driver advertises VHT support.
1086 mode->vht_mcs_set[0] = 0xff;
1087 mode->vht_mcs_set[1] = 0xff;
1088 mode->vht_mcs_set[4] = 0xff;
1089 mode->vht_mcs_set[5] = 0xff;
1091 *(phy_info->num_modes) += 1;
1092 phy_info->last_mode = nl_band->nla_type;
1093 phy_info->last_chan_idx = 0;
1095 mode = &phy_info->modes[*(phy_info->num_modes) - 1];
1097 nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band),
1098 nla_len(nl_band), NULL);
1100 phy_info_ht_capa(mode, tb_band[NL80211_BAND_ATTR_HT_CAPA],
1101 tb_band[NL80211_BAND_ATTR_HT_AMPDU_FACTOR],
1102 tb_band[NL80211_BAND_ATTR_HT_AMPDU_DENSITY],
1103 tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
1104 phy_info_vht_capa(mode, tb_band[NL80211_BAND_ATTR_VHT_CAPA],
1105 tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]);
1106 ret = phy_info_freqs(phy_info, mode, tb_band[NL80211_BAND_ATTR_FREQS]);
1109 ret = phy_info_rates(mode, tb_band[NL80211_BAND_ATTR_RATES]);
1117 static int phy_info_handler(struct nl_msg *msg, void *arg)
1119 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1120 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1121 struct phy_info_arg *phy_info = arg;
1122 struct nlattr *nl_band;
1125 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1126 genlmsg_attrlen(gnlh, 0), NULL);
1128 if (!tb_msg[NL80211_ATTR_WIPHY_BANDS])
1131 nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band)
1133 int res = phy_info_band(phy_info, nl_band);
1142 static struct hostapd_hw_modes *
1143 wpa_driver_nl80211_postprocess_modes(struct hostapd_hw_modes *modes,
1147 struct hostapd_hw_modes *mode11g = NULL, *nmodes, *mode;
1148 int i, mode11g_idx = -1;
1150 /* heuristic to set up modes */
1151 for (m = 0; m < *num_modes; m++) {
1152 if (!modes[m].num_channels)
1154 if (modes[m].channels[0].freq < 4000) {
1155 modes[m].mode = HOSTAPD_MODE_IEEE80211B;
1156 for (i = 0; i < modes[m].num_rates; i++) {
1157 if (modes[m].rates[i] > 200) {
1158 modes[m].mode = HOSTAPD_MODE_IEEE80211G;
1162 } else if (modes[m].channels[0].freq > 50000)
1163 modes[m].mode = HOSTAPD_MODE_IEEE80211AD;
1165 modes[m].mode = HOSTAPD_MODE_IEEE80211A;
1168 /* If only 802.11g mode is included, use it to construct matching
1169 * 802.11b mode data. */
1171 for (m = 0; m < *num_modes; m++) {
1172 if (modes[m].mode == HOSTAPD_MODE_IEEE80211B)
1173 return modes; /* 802.11b already included */
1174 if (modes[m].mode == HOSTAPD_MODE_IEEE80211G)
1178 if (mode11g_idx < 0)
1179 return modes; /* 2.4 GHz band not supported at all */
1181 nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes));
1183 return modes; /* Could not add 802.11b mode */
1185 mode = &nmodes[*num_modes];
1186 os_memset(mode, 0, sizeof(*mode));
1190 mode->mode = HOSTAPD_MODE_IEEE80211B;
1192 mode11g = &modes[mode11g_idx];
1193 mode->num_channels = mode11g->num_channels;
1194 mode->channels = os_malloc(mode11g->num_channels *
1195 sizeof(struct hostapd_channel_data));
1196 if (mode->channels == NULL) {
1198 return modes; /* Could not add 802.11b mode */
1200 os_memcpy(mode->channels, mode11g->channels,
1201 mode11g->num_channels * sizeof(struct hostapd_channel_data));
1203 mode->num_rates = 0;
1204 mode->rates = os_malloc(4 * sizeof(int));
1205 if (mode->rates == NULL) {
1206 os_free(mode->channels);
1208 return modes; /* Could not add 802.11b mode */
1211 for (i = 0; i < mode11g->num_rates; i++) {
1212 if (mode11g->rates[i] != 10 && mode11g->rates[i] != 20 &&
1213 mode11g->rates[i] != 55 && mode11g->rates[i] != 110)
1215 mode->rates[mode->num_rates] = mode11g->rates[i];
1217 if (mode->num_rates == 4)
1221 if (mode->num_rates == 0) {
1222 os_free(mode->channels);
1223 os_free(mode->rates);
1225 return modes; /* No 802.11b rates */
1228 wpa_printf(MSG_DEBUG, "nl80211: Added 802.11b mode based on 802.11g "
1235 static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start,
1240 for (c = 0; c < mode->num_channels; c++) {
1241 struct hostapd_channel_data *chan = &mode->channels[c];
1242 if (chan->freq - 10 >= start && chan->freq + 10 <= end)
1243 chan->flag |= HOSTAPD_CHAN_HT40;
1248 static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start,
1253 for (c = 0; c < mode->num_channels; c++) {
1254 struct hostapd_channel_data *chan = &mode->channels[c];
1255 if (!(chan->flag & HOSTAPD_CHAN_HT40))
1257 if (chan->freq - 30 >= start && chan->freq - 10 <= end)
1258 chan->flag |= HOSTAPD_CHAN_HT40MINUS;
1259 if (chan->freq + 10 >= start && chan->freq + 30 <= end)
1260 chan->flag |= HOSTAPD_CHAN_HT40PLUS;
1265 static void nl80211_reg_rule_max_eirp(u32 start, u32 end, u32 max_eirp,
1266 struct phy_info_arg *results)
1270 for (m = 0; m < *results->num_modes; m++) {
1272 struct hostapd_hw_modes *mode = &results->modes[m];
1274 for (c = 0; c < mode->num_channels; c++) {
1275 struct hostapd_channel_data *chan = &mode->channels[c];
1276 if ((u32) chan->freq - 10 >= start &&
1277 (u32) chan->freq + 10 <= end)
1278 chan->max_tx_power = max_eirp;
1284 static void nl80211_reg_rule_ht40(u32 start, u32 end,
1285 struct phy_info_arg *results)
1289 for (m = 0; m < *results->num_modes; m++) {
1290 if (!(results->modes[m].ht_capab &
1291 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
1293 nl80211_set_ht40_mode(&results->modes[m], start, end);
1298 static void nl80211_reg_rule_sec(struct nlattr *tb[],
1299 struct phy_info_arg *results)
1301 u32 start, end, max_bw;
1304 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
1305 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
1306 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
1309 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
1310 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
1311 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
1316 for (m = 0; m < *results->num_modes; m++) {
1317 if (!(results->modes[m].ht_capab &
1318 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
1320 nl80211_set_ht40_mode_sec(&results->modes[m], start, end);
1325 static void nl80211_set_vht_mode(struct hostapd_hw_modes *mode, int start,
1330 for (c = 0; c < mode->num_channels; c++) {
1331 struct hostapd_channel_data *chan = &mode->channels[c];
1332 if (chan->freq - 10 >= start && chan->freq + 70 <= end)
1333 chan->flag |= HOSTAPD_CHAN_VHT_10_70;
1335 if (chan->freq - 30 >= start && chan->freq + 50 <= end)
1336 chan->flag |= HOSTAPD_CHAN_VHT_30_50;
1338 if (chan->freq - 50 >= start && chan->freq + 30 <= end)
1339 chan->flag |= HOSTAPD_CHAN_VHT_50_30;
1341 if (chan->freq - 70 >= start && chan->freq + 10 <= end)
1342 chan->flag |= HOSTAPD_CHAN_VHT_70_10;
1347 static void nl80211_reg_rule_vht(struct nlattr *tb[],
1348 struct phy_info_arg *results)
1350 u32 start, end, max_bw;
1353 if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
1354 tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
1355 tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
1358 start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
1359 end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
1360 max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
1365 for (m = 0; m < *results->num_modes; m++) {
1366 if (!(results->modes[m].ht_capab &
1367 HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
1369 /* TODO: use a real VHT support indication */
1370 if (!results->modes[m].vht_capab)
1373 nl80211_set_vht_mode(&results->modes[m], start, end);
1378 static const char * dfs_domain_name(enum nl80211_dfs_regions region)
1381 case NL80211_DFS_UNSET:
1383 case NL80211_DFS_FCC:
1385 case NL80211_DFS_ETSI:
1387 case NL80211_DFS_JP:
1390 return "DFS-invalid";
1395 static int nl80211_get_reg(struct nl_msg *msg, void *arg)
1397 struct phy_info_arg *results = arg;
1398 struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
1399 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1400 struct nlattr *nl_rule;
1401 struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1];
1403 static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
1404 [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
1405 [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
1406 [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
1407 [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
1408 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
1409 [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
1412 nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1413 genlmsg_attrlen(gnlh, 0), NULL);
1414 if (!tb_msg[NL80211_ATTR_REG_ALPHA2] ||
1415 !tb_msg[NL80211_ATTR_REG_RULES]) {
1416 wpa_printf(MSG_DEBUG, "nl80211: No regulatory information "
1421 if (tb_msg[NL80211_ATTR_DFS_REGION]) {
1422 enum nl80211_dfs_regions dfs_domain;
1423 dfs_domain = nla_get_u8(tb_msg[NL80211_ATTR_DFS_REGION]);
1424 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s (%s)",
1425 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]),
1426 dfs_domain_name(dfs_domain));
1428 wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s",
1429 (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]));
1432 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
1434 u32 start, end, max_eirp = 0, max_bw = 0, flags = 0;
1435 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
1436 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
1437 if (tb_rule[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
1438 tb_rule[NL80211_ATTR_FREQ_RANGE_END] == NULL)
1440 start = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
1441 end = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
1442 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
1443 max_eirp = nla_get_u32(tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP]) / 100;
1444 if (tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW])
1445 max_bw = nla_get_u32(tb_rule[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
1446 if (tb_rule[NL80211_ATTR_REG_RULE_FLAGS])
1447 flags = nla_get_u32(tb_rule[NL80211_ATTR_REG_RULE_FLAGS]);
1449 wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz %u mBm%s%s%s%s%s%s%s%s",
1450 start, end, max_bw, max_eirp,
1451 flags & NL80211_RRF_NO_OFDM ? " (no OFDM)" : "",
1452 flags & NL80211_RRF_NO_CCK ? " (no CCK)" : "",
1453 flags & NL80211_RRF_NO_INDOOR ? " (no indoor)" : "",
1454 flags & NL80211_RRF_NO_OUTDOOR ? " (no outdoor)" :
1456 flags & NL80211_RRF_DFS ? " (DFS)" : "",
1457 flags & NL80211_RRF_PTP_ONLY ? " (PTP only)" : "",
1458 flags & NL80211_RRF_PTMP_ONLY ? " (PTMP only)" : "",
1459 flags & NL80211_RRF_NO_IR ? " (no IR)" : "");
1461 nl80211_reg_rule_ht40(start, end, results);
1462 if (tb_rule[NL80211_ATTR_POWER_RULE_MAX_EIRP])
1463 nl80211_reg_rule_max_eirp(start, end, max_eirp,
1467 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
1469 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
1470 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
1471 nl80211_reg_rule_sec(tb_rule, results);
1474 nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
1476 nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
1477 nla_data(nl_rule), nla_len(nl_rule), reg_policy);
1478 nl80211_reg_rule_vht(tb_rule, results);
1485 static int nl80211_set_regulatory_flags(struct wpa_driver_nl80211_data *drv,
1486 struct phy_info_arg *results)
1490 msg = nlmsg_alloc();
1494 nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG);
1495 return send_and_recv_msgs(drv, msg, nl80211_get_reg, results);
1499 struct hostapd_hw_modes *
1500 nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
1503 struct i802_bss *bss = priv;
1504 struct wpa_driver_nl80211_data *drv = bss->drv;
1507 struct phy_info_arg result = {
1508 .num_modes = num_modes,
1516 feat = get_nl80211_protocol_features(drv);
1517 if (feat & NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)
1518 nl_flags = NLM_F_DUMP;
1519 if (!(msg = nl80211_cmd_msg(bss, nl_flags, NL80211_CMD_GET_WIPHY)) ||
1520 nla_put_flag(msg, NL80211_ATTR_SPLIT_WIPHY_DUMP)) {
1525 if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) {
1526 nl80211_set_regulatory_flags(drv, &result);
1527 return wpa_driver_nl80211_postprocess_modes(result.modes,