static int wps_build_ap_freq(struct wpabuf *msg, int freq) { enum hostapd_hw_mode mode; u8 channel, rf_band; u16 ap_channel; if (freq <= 0) return 0; mode = ieee80211_freq_to_chan(freq, &channel); if (mode == NUM_HOSTAPD_MODES) return 0; /* Unknown channel */ if (mode == HOSTAPD_MODE_IEEE80211G || mode == HOSTAPD_MODE_IEEE80211B) rf_band = WPS_RF_24GHZ; else if (mode == HOSTAPD_MODE_IEEE80211A) rf_band = WPS_RF_50GHZ; else if (mode == HOSTAPD_MODE_IEEE80211AD) rf_band = WPS_RF_60GHZ; else return 0; /* Unknown band */ ap_channel = channel; if (wps_build_rf_bands_attr(msg, rf_band) || wps_build_ap_channel(msg, ap_channel)) return -1; return 0; }
static u8 * hostapd_eid_csa(struct hostapd_data *hapd, u8 *eid) { u8 chan; if (!hapd->cs_freq_params.freq) return eid; if (ieee80211_freq_to_chan(hapd->cs_freq_params.freq, &chan) == NUM_HOSTAPD_MODES) return eid; *eid++ = WLAN_EID_CHANNEL_SWITCH; *eid++ = 3; *eid++ = hapd->cs_block_tx; *eid++ = chan; *eid++ = hapd->cs_count; return eid; }
int sme_proc_obss_scan(struct wpa_supplicant *wpa_s) { struct wpa_bss *bss; const u8 *ie; u16 ht_cap; u8 chan_list[P2P_MAX_CHANNELS], channel; u8 num_channels = 0, num_intol = 0, i; if (!wpa_s->sme.sched_obss_scan) return 0; wpa_s->sme.sched_obss_scan = 0; if (!wpa_s->current_bss || wpa_s->wpa_state != WPA_COMPLETED) return 1; /* * Check whether AP uses regulatory triplet or channel triplet in * country info. Right now the operating class of the BSS channel * width trigger event is "unknown" (IEEE Std 802.11-2012 10.15.12), * based on the assumption that operating class triplet is not used in * beacon frame. If the First Channel Number/Operating Extension * Identifier octet has a positive integer value of 201 or greater, * then its operating class triplet. * * TODO: If Supported Operating Classes element is present in beacon * frame, have to lookup operating class in Annex E and fill them in * 2040 coex frame. */ ie = wpa_bss_get_ie(wpa_s->current_bss, WLAN_EID_COUNTRY); if (ie && (ie[1] >= 6) && (ie[5] >= 201)) return 1; os_memset(chan_list, 0, sizeof(chan_list)); dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) { /* Skip other band bss */ enum hostapd_hw_mode mode; mode = ieee80211_freq_to_chan(bss->freq, &channel); if (mode != HOSTAPD_MODE_IEEE80211G && mode != HOSTAPD_MODE_IEEE80211B) continue; ie = wpa_bss_get_ie(bss, WLAN_EID_HT_CAP); ht_cap = (ie && (ie[1] == 26)) ? WPA_GET_LE16(ie + 2) : 0; wpa_printf(MSG_DEBUG, "SME OBSS scan BSS " MACSTR " freq=%u chan=%u ht_cap=0x%x", MAC2STR(bss->bssid), bss->freq, channel, ht_cap); if (!ht_cap || (ht_cap & HT_CAP_INFO_40MHZ_INTOLERANT)) { if (ht_cap & HT_CAP_INFO_40MHZ_INTOLERANT) num_intol++; /* Check whether the channel is already considered */ for (i = 0; i < num_channels; i++) { if (channel == chan_list[i]) break; } if (i != num_channels) continue; chan_list[num_channels++] = channel; } } sme_send_2040_bss_coex(wpa_s, chan_list, num_channels, num_intol); return 1; }
void hostapd_neighbor_set_own_report(struct hostapd_data *hapd) { #ifdef NEED_AP_MLME u16 capab = hostapd_own_capab_info(hapd); int ht = hapd->iconf->ieee80211n && !hapd->conf->disable_11n; int vht = hapd->iconf->ieee80211ac && !hapd->conf->disable_11ac; struct wpa_ssid_value ssid; u8 channel, op_class; u8 center_freq1_idx = 0, center_freq2_idx = 0; enum nr_chan_width width; u32 bssid_info; struct wpabuf *nr; if (!(hapd->conf->radio_measurements[0] & WLAN_RRM_CAPS_NEIGHBOR_REPORT)) return; bssid_info = 3; /* AP is reachable */ bssid_info |= NEI_REP_BSSID_INFO_SECURITY; /* "same as the AP" */ bssid_info |= NEI_REP_BSSID_INFO_KEY_SCOPE; /* "same as the AP" */ if (capab & WLAN_CAPABILITY_SPECTRUM_MGMT) bssid_info |= NEI_REP_BSSID_INFO_SPECTRUM_MGMT; bssid_info |= NEI_REP_BSSID_INFO_RM; /* RRM is supported */ if (hapd->conf->wmm_enabled) { bssid_info |= NEI_REP_BSSID_INFO_QOS; if (hapd->conf->wmm_uapsd && (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_AP_UAPSD)) bssid_info |= NEI_REP_BSSID_INFO_APSD; } if (ht) { bssid_info |= NEI_REP_BSSID_INFO_HT | NEI_REP_BSSID_INFO_DELAYED_BA; /* VHT bit added in IEEE P802.11-REVmc/D4.3 */ if (vht) bssid_info |= NEI_REP_BSSID_INFO_VHT; } /* TODO: Set NEI_REP_BSSID_INFO_MOBILITY_DOMAIN if MDE is set */ if (ieee80211_freq_to_channel_ext(hapd->iface->freq, hapd->iconf->secondary_channel, hapd->iconf->vht_oper_chwidth, &op_class, &channel) == NUM_HOSTAPD_MODES) return; width = hostapd_get_nr_chan_width(hapd, ht, vht); if (vht) { center_freq1_idx = hapd->iconf->vht_oper_centr_freq_seg0_idx; if (width == NR_CHAN_WIDTH_80P80) center_freq2_idx = hapd->iconf->vht_oper_centr_freq_seg1_idx; } else if (ht) { ieee80211_freq_to_chan(hapd->iface->freq + 10 * hapd->iconf->secondary_channel, ¢er_freq1_idx); } ssid.ssid_len = hapd->conf->ssid.ssid_len; os_memcpy(ssid.ssid, hapd->conf->ssid.ssid, ssid.ssid_len); /* * Neighbor Report element size = BSSID + BSSID info + op_class + chan + * phy type + wide bandwidth channel subelement. */ nr = wpabuf_alloc(ETH_ALEN + 4 + 1 + 1 + 1 + 5); if (!nr) return; wpabuf_put_data(nr, hapd->own_addr, ETH_ALEN); wpabuf_put_le32(nr, bssid_info); wpabuf_put_u8(nr, op_class); wpabuf_put_u8(nr, channel); wpabuf_put_u8(nr, ieee80211_get_phy_type(hapd->iface->freq, ht, vht)); /* * Wide Bandwidth Channel subelement may be needed to allow the * receiving STA to send packets to the AP. See IEEE P802.11-REVmc/D5.0 * Figure 9-301. */ wpabuf_put_u8(nr, WNM_NEIGHBOR_WIDE_BW_CHAN); wpabuf_put_u8(nr, 3); wpabuf_put_u8(nr, width); wpabuf_put_u8(nr, center_freq1_idx); wpabuf_put_u8(nr, center_freq2_idx); hostapd_neighbor_set(hapd, hapd->own_addr, &ssid, nr, hapd->iconf->lci, hapd->iconf->civic, hapd->iconf->stationary_ap); wpabuf_free(nr); #endif /* NEED_AP_MLME */ }
void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht, int offset, int width, int cf1, int cf2) { #ifdef NEED_AP_MLME int channel, chwidth, is_dfs; u8 seg0_idx = 0, seg1_idx = 0; hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, HOSTAPD_LEVEL_INFO, "driver had channel switch: freq=%d, ht=%d, offset=%d, width=%d (%s), cf1=%d, cf2=%d", freq, ht, offset, width, channel_width_to_string(width), cf1, cf2); hapd->iface->freq = freq; channel = hostapd_hw_get_channel(hapd, freq); if (!channel) { hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, HOSTAPD_LEVEL_WARNING, "driver switched to bad channel!"); return; } switch (width) { case CHAN_WIDTH_80: chwidth = VHT_CHANWIDTH_80MHZ; break; case CHAN_WIDTH_80P80: chwidth = VHT_CHANWIDTH_80P80MHZ; break; case CHAN_WIDTH_160: chwidth = VHT_CHANWIDTH_160MHZ; break; case CHAN_WIDTH_20_NOHT: case CHAN_WIDTH_20: case CHAN_WIDTH_40: default: chwidth = VHT_CHANWIDTH_USE_HT; break; } switch (hapd->iface->current_mode->mode) { case HOSTAPD_MODE_IEEE80211A: if (cf1 > 5000) seg0_idx = (cf1 - 5000) / 5; if (cf2 > 5000) seg1_idx = (cf2 - 5000) / 5; break; default: ieee80211_freq_to_chan(cf1, &seg0_idx); ieee80211_freq_to_chan(cf2, &seg1_idx); break; } hapd->iconf->channel = channel; hapd->iconf->ieee80211n = ht; if (!ht) hapd->iconf->ieee80211ac = 0; hapd->iconf->secondary_channel = offset; hapd->iconf->vht_oper_chwidth = chwidth; hapd->iconf->vht_oper_centr_freq_seg0_idx = seg0_idx; hapd->iconf->vht_oper_centr_freq_seg1_idx = seg1_idx; is_dfs = ieee80211_is_dfs(freq); if (hapd->csa_in_progress && freq == hapd->cs_freq_params.freq) { hostapd_cleanup_cs_params(hapd); ieee802_11_set_beacon(hapd); wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED "freq=%d dfs=%d", freq, is_dfs); } else if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) { wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED "freq=%d dfs=%d", freq, is_dfs); } #endif /* NEED_AP_MLME */ }
int wpa_supplicant_conf_ap_ht(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, struct hostapd_config *conf) { conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency, &conf->channel); if (conf->hw_mode == NUM_HOSTAPD_MODES) { wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz", ssid->frequency); return -1; } /* TODO: enable HT40 if driver supports it; * drop to 11b if driver does not support 11g */ #ifdef CONFIG_IEEE80211N /* * Enable HT20 if the driver supports it, by setting conf->ieee80211n * and a mask of allowed capabilities within conf->ht_capab. * Using default config settings for: conf->ht_op_mode_fixed, * conf->secondary_channel, conf->require_ht */ if (wpa_s->hw.modes) { struct hostapd_hw_modes *mode = NULL; int i, no_ht = 0; for (i = 0; i < wpa_s->hw.num_modes; i++) { if (wpa_s->hw.modes[i].mode == conf->hw_mode) { mode = &wpa_s->hw.modes[i]; break; } } #ifdef CONFIG_HT_OVERRIDES if (ssid->disable_ht) { conf->ieee80211n = 0; conf->ht_capab = 0; no_ht = 1; } #endif /* CONFIG_HT_OVERRIDES */ if (!no_ht && mode && mode->ht_capab) { conf->ieee80211n = 1; #ifdef CONFIG_P2P if (conf->hw_mode == HOSTAPD_MODE_IEEE80211A && (mode->ht_capab & HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) && ssid->ht40) conf->secondary_channel = wpas_p2p_get_ht40_mode(wpa_s, mode, conf->channel); if (conf->secondary_channel) conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET; #endif /* CONFIG_P2P */ /* * white-list capabilities that won't cause issues * to connecting stations, while leaving the current * capabilities intact (currently disabled SMPS). */ conf->ht_capab |= mode->ht_capab & (HT_CAP_INFO_GREEN_FIELD | HT_CAP_INFO_SHORT_GI20MHZ | HT_CAP_INFO_SHORT_GI40MHZ | HT_CAP_INFO_RX_STBC_MASK | HT_CAP_INFO_TX_STBC | HT_CAP_INFO_MAX_AMSDU_SIZE); if (mode->vht_capab && ssid->vht) { conf->ieee80211ac = 1; wpas_conf_ap_vht(wpa_s, conf, mode); } } } if (conf->secondary_channel) { struct wpa_supplicant *iface; for (iface = wpa_s->global->ifaces; iface; iface = iface->next) { if (iface == wpa_s || iface->wpa_state < WPA_AUTHENTICATING || (int) iface->assoc_freq != ssid->frequency) continue; /* * Do not allow 40 MHz co-ex PRI/SEC switch to force us * to change our PRI channel since we have an existing, * concurrent connection on that channel and doing * multi-channel concurrency is likely to cause more * harm than using different PRI/SEC selection in * environment with multiple BSSes on these two channels * with mixed 20 MHz or PRI channel selection. */ conf->no_pri_sec_switch = 1; } } #endif /* CONFIG_IEEE80211N */ return 0; }
int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid) { struct wpa_driver_associate_params params; struct hostapd_iface *hapd_iface; struct hostapd_config *conf; size_t i; if (ssid->ssid == NULL || ssid->ssid_len == 0) { wpa_printf(MSG_ERROR, "No SSID configured for AP mode"); return -1; } wpa_supplicant_ap_deinit(wpa_s); wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')", wpa_ssid_txt(ssid->ssid, ssid->ssid_len)); os_memset(¶ms, 0, sizeof(params)); params.ssid = ssid->ssid; params.ssid_len = ssid->ssid_len; switch (ssid->mode) { case WPAS_MODE_AP: case WPAS_MODE_P2P_GO: case WPAS_MODE_P2P_GROUP_FORMATION: params.mode = IEEE80211_MODE_AP; break; default: return -1; } if (ssid->frequency == 0) ssid->frequency = 2462; /* default channel 11 */ params.freq.freq = ssid->frequency; params.wpa_proto = ssid->proto; if (ssid->key_mgmt & WPA_KEY_MGMT_PSK) wpa_s->key_mgmt = WPA_KEY_MGMT_PSK; else wpa_s->key_mgmt = WPA_KEY_MGMT_NONE; params.key_mgmt_suite = wpa_s->key_mgmt; wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher, 1); if (wpa_s->pairwise_cipher < 0) { wpa_printf(MSG_WARNING, "WPA: Failed to select pairwise " "cipher."); return -1; } params.pairwise_suite = wpa_s->pairwise_cipher; params.group_suite = params.pairwise_suite; #ifdef CONFIG_P2P if (ssid->mode == WPAS_MODE_P2P_GO || ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) params.p2p = 1; #endif /* CONFIG_P2P */ if (wpa_s->p2pdev->set_ap_uapsd) params.uapsd = wpa_s->p2pdev->ap_uapsd; else if (params.p2p && (wpa_s->drv_flags & WPA_DRIVER_FLAGS_AP_UAPSD)) params.uapsd = 1; /* mandatory for P2P GO */ else params.uapsd = -1; if (ieee80211_is_dfs(params.freq.freq)) params.freq.freq = 0; /* set channel after CAC */ if (params.p2p) wpa_drv_get_ext_capa(wpa_s, WPA_IF_P2P_GO); else wpa_drv_get_ext_capa(wpa_s, WPA_IF_AP_BSS); if (wpa_drv_associate(wpa_s, ¶ms) < 0) { wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality"); return -1; } wpa_s->ap_iface = hapd_iface = hostapd_alloc_iface(); if (hapd_iface == NULL) return -1; hapd_iface->owner = wpa_s; hapd_iface->drv_flags = wpa_s->drv_flags; hapd_iface->smps_modes = wpa_s->drv_smps_modes; hapd_iface->probe_resp_offloads = wpa_s->probe_resp_offloads; hapd_iface->extended_capa = wpa_s->extended_capa; hapd_iface->extended_capa_mask = wpa_s->extended_capa_mask; hapd_iface->extended_capa_len = wpa_s->extended_capa_len; wpa_s->ap_iface->conf = conf = hostapd_config_defaults(); if (conf == NULL) { wpa_supplicant_ap_deinit(wpa_s); return -1; } /* Use the maximum oper channel width if it's given. */ if (ssid->max_oper_chwidth) conf->vht_oper_chwidth = ssid->max_oper_chwidth; ieee80211_freq_to_chan(ssid->vht_center_freq2, &conf->vht_oper_centr_freq_seg1_idx); os_memcpy(wpa_s->ap_iface->conf->wmm_ac_params, wpa_s->conf->wmm_ac_params, sizeof(wpa_s->conf->wmm_ac_params)); if (params.uapsd > 0) { conf->bss[0]->wmm_enabled = 1; conf->bss[0]->wmm_uapsd = 1; } if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) { wpa_printf(MSG_ERROR, "Failed to create AP configuration"); wpa_supplicant_ap_deinit(wpa_s); return -1; } #ifdef CONFIG_P2P if (ssid->mode == WPAS_MODE_P2P_GO) conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER; else if (ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION) conf->bss[0]->p2p = P2P_ENABLED | P2P_GROUP_OWNER | P2P_GROUP_FORMATION; #endif /* CONFIG_P2P */ hapd_iface->num_bss = conf->num_bss; hapd_iface->bss = os_calloc(conf->num_bss, sizeof(struct hostapd_data *)); if (hapd_iface->bss == NULL) { wpa_supplicant_ap_deinit(wpa_s); return -1; } for (i = 0; i < conf->num_bss; i++) { hapd_iface->bss[i] = hostapd_alloc_bss_data(hapd_iface, conf, conf->bss[i]); if (hapd_iface->bss[i] == NULL) { wpa_supplicant_ap_deinit(wpa_s); return -1; } hapd_iface->bss[i]->msg_ctx = wpa_s; hapd_iface->bss[i]->msg_ctx_parent = wpa_s->p2pdev; hapd_iface->bss[i]->public_action_cb = ap_public_action_rx; hapd_iface->bss[i]->public_action_cb_ctx = wpa_s; hapd_iface->bss[i]->vendor_action_cb = ap_vendor_action_rx; hapd_iface->bss[i]->vendor_action_cb_ctx = wpa_s; hostapd_register_probereq_cb(hapd_iface->bss[i], ap_probe_req_rx, wpa_s); hapd_iface->bss[i]->wps_reg_success_cb = ap_wps_reg_success_cb; hapd_iface->bss[i]->wps_reg_success_cb_ctx = wpa_s; hapd_iface->bss[i]->wps_event_cb = ap_wps_event_cb; hapd_iface->bss[i]->wps_event_cb_ctx = wpa_s; hapd_iface->bss[i]->sta_authorized_cb = ap_sta_authorized_cb; hapd_iface->bss[i]->sta_authorized_cb_ctx = wpa_s; #ifdef CONFIG_P2P hapd_iface->bss[i]->new_psk_cb = ap_new_psk_cb; hapd_iface->bss[i]->new_psk_cb_ctx = wpa_s; hapd_iface->bss[i]->p2p = wpa_s->global->p2p; hapd_iface->bss[i]->p2p_group = wpas_p2p_group_init(wpa_s, ssid); #endif /* CONFIG_P2P */ hapd_iface->bss[i]->setup_complete_cb = wpas_ap_configured_cb; hapd_iface->bss[i]->setup_complete_cb_ctx = wpa_s; #ifdef CONFIG_TESTING_OPTIONS hapd_iface->bss[i]->ext_eapol_frame_io = wpa_s->ext_eapol_frame_io; #endif /* CONFIG_TESTING_OPTIONS */ } os_memcpy(hapd_iface->bss[0]->own_addr, wpa_s->own_addr, ETH_ALEN); hapd_iface->bss[0]->driver = wpa_s->driver; hapd_iface->bss[0]->drv_priv = wpa_s->drv_priv; wpa_s->current_ssid = ssid; eapol_sm_notify_config(wpa_s->eapol, NULL, NULL); os_memcpy(wpa_s->bssid, wpa_s->own_addr, ETH_ALEN); wpa_s->assoc_freq = ssid->frequency; if (hostapd_setup_interface(wpa_s->ap_iface)) { wpa_printf(MSG_ERROR, "Failed to initialize AP interface"); wpa_supplicant_ap_deinit(wpa_s); return -1; } return 0; }
static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, struct hostapd_config *conf) { struct hostapd_bss_config *bss = conf->bss[0]; conf->driver = wpa_s->driver; os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface)); conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency, &conf->channel); if (conf->hw_mode == NUM_HOSTAPD_MODES) { wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz", ssid->frequency); return -1; } wpa_supplicant_conf_ap_ht(wpa_s, ssid, conf); if (ieee80211_is_dfs(ssid->frequency) && wpa_s->conf->country[0]) { conf->ieee80211h = 1; conf->ieee80211d = 1; conf->country[0] = wpa_s->conf->country[0]; conf->country[1] = wpa_s->conf->country[1]; } #ifdef CONFIG_P2P if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G && (ssid->mode == WPAS_MODE_P2P_GO || ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)) { /* Remove 802.11b rates from supported and basic rate sets */ int *list = os_malloc(4 * sizeof(int)); if (list) { list[0] = 60; list[1] = 120; list[2] = 240; list[3] = -1; } conf->basic_rates = list; list = os_malloc(9 * sizeof(int)); if (list) { list[0] = 60; list[1] = 90; list[2] = 120; list[3] = 180; list[4] = 240; list[5] = 360; list[6] = 480; list[7] = 540; list[8] = -1; } conf->supported_rates = list; } bss->isolate = !wpa_s->conf->p2p_intra_bss; bss->force_per_enrollee_psk = wpa_s->global->p2p_per_sta_psk; if (ssid->p2p_group) { os_memcpy(bss->ip_addr_go, wpa_s->parent->conf->ip_addr_go, 4); os_memcpy(bss->ip_addr_mask, wpa_s->parent->conf->ip_addr_mask, 4); os_memcpy(bss->ip_addr_start, wpa_s->parent->conf->ip_addr_start, 4); os_memcpy(bss->ip_addr_end, wpa_s->parent->conf->ip_addr_end, 4); } #endif /* CONFIG_P2P */ if (ssid->ssid_len == 0) { wpa_printf(MSG_ERROR, "No SSID configured for AP mode"); return -1; } os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len); bss->ssid.ssid_len = ssid->ssid_len; bss->ssid.ssid_set = 1; bss->ignore_broadcast_ssid = ssid->ignore_broadcast_ssid; if (ssid->auth_alg) bss->auth_algs = ssid->auth_alg; if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt)) bss->wpa = ssid->proto; bss->wpa_key_mgmt = ssid->key_mgmt; bss->wpa_pairwise = ssid->pairwise_cipher; if (ssid->psk_set) { bin_clear_free(bss->ssid.wpa_psk, sizeof(*bss->ssid.wpa_psk)); bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk)); if (bss->ssid.wpa_psk == NULL) return -1; os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN); bss->ssid.wpa_psk->group = 1; } else if (ssid->passphrase) { bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase); } else if (ssid->wep_key_len[0] || ssid->wep_key_len[1] || ssid->wep_key_len[2] || ssid->wep_key_len[3]) { struct hostapd_wep_keys *wep = &bss->ssid.wep; int i; for (i = 0; i < NUM_WEP_KEYS; i++) { if (ssid->wep_key_len[i] == 0) continue; wep->key[i] = os_malloc(ssid->wep_key_len[i]); if (wep->key[i] == NULL) return -1; os_memcpy(wep->key[i], ssid->wep_key[i], ssid->wep_key_len[i]); wep->len[i] = ssid->wep_key_len[i]; } wep->idx = ssid->wep_tx_keyidx; wep->keys_set = 1; } if (ssid->ap_max_inactivity) bss->ap_max_inactivity = ssid->ap_max_inactivity; if (ssid->dtim_period) bss->dtim_period = ssid->dtim_period; else if (wpa_s->conf->dtim_period) bss->dtim_period = wpa_s->conf->dtim_period; if (ssid->beacon_int) conf->beacon_int = ssid->beacon_int; else if (wpa_s->conf->beacon_int) conf->beacon_int = wpa_s->conf->beacon_int; #ifdef CONFIG_P2P if (wpa_s->conf->p2p_go_ctwindow > conf->beacon_int) { wpa_printf(MSG_INFO, "CTWindow (%d) is bigger than beacon interval (%d) - avoid configuring it", wpa_s->conf->p2p_go_ctwindow, conf->beacon_int); conf->p2p_go_ctwindow = 0; } else { conf->p2p_go_ctwindow = wpa_s->conf->p2p_go_ctwindow; } #endif /* CONFIG_P2P */ if ((bss->wpa & 2) && bss->rsn_pairwise == 0) bss->rsn_pairwise = bss->wpa_pairwise; bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise, bss->rsn_pairwise); if (bss->wpa && bss->ieee802_1x) bss->ssid.security_policy = SECURITY_WPA; else if (bss->wpa) bss->ssid.security_policy = SECURITY_WPA_PSK; else if (bss->ieee802_1x) { int cipher = WPA_CIPHER_NONE; bss->ssid.security_policy = SECURITY_IEEE_802_1X; bss->ssid.wep.default_len = bss->default_wep_key_len; if (bss->default_wep_key_len) cipher = bss->default_wep_key_len >= 13 ? WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40; bss->wpa_group = cipher; bss->wpa_pairwise = cipher; bss->rsn_pairwise = cipher; } else if (bss->ssid.wep.keys_set) { int cipher = WPA_CIPHER_WEP40; if (bss->ssid.wep.len[0] >= 13) cipher = WPA_CIPHER_WEP104; bss->ssid.security_policy = SECURITY_STATIC_WEP; bss->wpa_group = cipher; bss->wpa_pairwise = cipher; bss->rsn_pairwise = cipher; } else { bss->ssid.security_policy = SECURITY_PLAINTEXT; bss->wpa_group = WPA_CIPHER_NONE; bss->wpa_pairwise = WPA_CIPHER_NONE; bss->rsn_pairwise = WPA_CIPHER_NONE; } if (bss->wpa_group_rekey < 86400 && (bss->wpa & 2) && (bss->wpa_group == WPA_CIPHER_CCMP || bss->wpa_group == WPA_CIPHER_GCMP || bss->wpa_group == WPA_CIPHER_CCMP_256 || bss->wpa_group == WPA_CIPHER_GCMP_256)) { /* * Strong ciphers do not need frequent rekeying, so increase * the default GTK rekeying period to 24 hours. */ bss->wpa_group_rekey = 86400; } #ifdef CONFIG_IEEE80211W if (ssid->ieee80211w != MGMT_FRAME_PROTECTION_DEFAULT) bss->ieee80211w = ssid->ieee80211w; #endif /* CONFIG_IEEE80211W */ #ifdef CONFIG_WPS /* * Enable WPS by default for open and WPA/WPA2-Personal network, but * require user interaction to actually use it. Only the internal * Registrar is supported. */ if (bss->ssid.security_policy != SECURITY_WPA_PSK && bss->ssid.security_policy != SECURITY_PLAINTEXT) goto no_wps; if (bss->ssid.security_policy == SECURITY_WPA_PSK && (!(bss->rsn_pairwise & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP)) || !(bss->wpa & 2))) goto no_wps; /* WPS2 does not allow WPA/TKIP-only * configuration */ bss->eap_server = 1; if (!ssid->ignore_broadcast_ssid) bss->wps_state = 2; bss->ap_setup_locked = 2; if (wpa_s->conf->config_methods) bss->config_methods = os_strdup(wpa_s->conf->config_methods); os_memcpy(bss->device_type, wpa_s->conf->device_type, WPS_DEV_TYPE_LEN); if (wpa_s->conf->device_name) { bss->device_name = os_strdup(wpa_s->conf->device_name); bss->friendly_name = os_strdup(wpa_s->conf->device_name); } if (wpa_s->conf->manufacturer) bss->manufacturer = os_strdup(wpa_s->conf->manufacturer); if (wpa_s->conf->model_name) bss->model_name = os_strdup(wpa_s->conf->model_name); if (wpa_s->conf->model_number) bss->model_number = os_strdup(wpa_s->conf->model_number); if (wpa_s->conf->serial_number) bss->serial_number = os_strdup(wpa_s->conf->serial_number); if (is_nil_uuid(wpa_s->conf->uuid)) os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN); else os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN); os_memcpy(bss->os_version, wpa_s->conf->os_version, 4); bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1; no_wps: #endif /* CONFIG_WPS */ if (wpa_s->max_stations && wpa_s->max_stations < wpa_s->conf->max_num_sta) bss->max_num_sta = wpa_s->max_stations; else bss->max_num_sta = wpa_s->conf->max_num_sta; bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack; if (wpa_s->conf->ap_vendor_elements) { bss->vendor_elements = wpabuf_dup(wpa_s->conf->ap_vendor_elements); } return 0; }
static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, struct hostapd_config *conf) { struct hostapd_bss_config *bss = &conf->bss[0]; conf->driver = wpa_s->driver; os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface)); conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency, &conf->channel); if (conf->hw_mode == NUM_HOSTAPD_MODES) { wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz", ssid->frequency); return -1; } /* TODO: enable HT40 if driver supports it; * drop to 11b if driver does not support 11g */ #ifdef CONFIG_IEEE80211N /* * Enable HT20 if the driver supports it, by setting conf->ieee80211n * and a mask of allowed capabilities within conf->ht_capab. * Using default config settings for: conf->ht_op_mode_fixed, * conf->secondary_channel, conf->require_ht */ if (wpa_s->hw.modes) { struct hostapd_hw_modes *mode = NULL; int i, no_ht = 0; for (i = 0; i < wpa_s->hw.num_modes; i++) { if (wpa_s->hw.modes[i].mode == conf->hw_mode) { mode = &wpa_s->hw.modes[i]; break; } } #ifdef CONFIG_HT_OVERRIDES if (ssid->disable_ht) { conf->ieee80211n = 0; conf->ht_capab = 0; no_ht = 1; } #endif /* CONFIG_HT_OVERRIDES */ if (!no_ht && mode && mode->ht_capab) { conf->ieee80211n = 1; #ifdef CONFIG_P2P if (conf->hw_mode == HOSTAPD_MODE_IEEE80211A && (mode->ht_capab & HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) && ssid->ht40) conf->secondary_channel = wpas_p2p_get_ht40_mode(wpa_s, mode, conf->channel); if (conf->secondary_channel) conf->ht_capab |= HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET; #endif /* CONFIG_P2P */ /* * white-list capabilities that won't cause issues * to connecting stations, while leaving the current * capabilities intact (currently disabled SMPS). */ conf->ht_capab |= mode->ht_capab & (HT_CAP_INFO_GREEN_FIELD | HT_CAP_INFO_SHORT_GI20MHZ | HT_CAP_INFO_SHORT_GI40MHZ | HT_CAP_INFO_RX_STBC_MASK | HT_CAP_INFO_MAX_AMSDU_SIZE); } } #endif /* CONFIG_IEEE80211N */ #ifdef CONFIG_P2P if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G && (ssid->mode == WPAS_MODE_P2P_GO || ssid->mode == WPAS_MODE_P2P_GROUP_FORMATION)) { /* Remove 802.11b rates from supported and basic rate sets */ int *list = os_malloc(4 * sizeof(int)); if (list) { list[0] = 60; list[1] = 120; list[2] = 240; list[3] = -1; } conf->basic_rates = list; list = os_malloc(9 * sizeof(int)); if (list) { list[0] = 60; list[1] = 90; list[2] = 120; list[3] = 180; list[4] = 240; list[5] = 360; list[6] = 480; list[7] = 540; list[8] = -1; } conf->supported_rates = list; } bss->isolate = !wpa_s->conf->p2p_intra_bss; bss->force_per_enrollee_psk = wpa_s->global->p2p_per_sta_psk; #endif /* CONFIG_P2P */ if (ssid->ssid_len == 0) { wpa_printf(MSG_ERROR, "No SSID configured for AP mode"); return -1; } os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len); bss->ssid.ssid_len = ssid->ssid_len; bss->ssid.ssid_set = 1; bss->ignore_broadcast_ssid = ssid->ignore_broadcast_ssid; if (ssid->auth_alg) bss->auth_algs = ssid->auth_alg; if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt)) bss->wpa = ssid->proto; bss->wpa_key_mgmt = ssid->key_mgmt; bss->wpa_pairwise = ssid->pairwise_cipher; if (ssid->psk_set) { os_free(bss->ssid.wpa_psk); bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk)); if (bss->ssid.wpa_psk == NULL) return -1; os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN); bss->ssid.wpa_psk->group = 1; } else if (ssid->passphrase) { bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase); } else if (ssid->wep_key_len[0] || ssid->wep_key_len[1] || ssid->wep_key_len[2] || ssid->wep_key_len[3]) { struct hostapd_wep_keys *wep = &bss->ssid.wep; int i; for (i = 0; i < NUM_WEP_KEYS; i++) { if (ssid->wep_key_len[i] == 0) continue; wep->key[i] = os_malloc(ssid->wep_key_len[i]); if (wep->key[i] == NULL) return -1; os_memcpy(wep->key[i], ssid->wep_key[i], ssid->wep_key_len[i]); wep->len[i] = ssid->wep_key_len[i]; } wep->idx = ssid->wep_tx_keyidx; wep->keys_set = 1; } if (ssid->ap_max_inactivity) bss->ap_max_inactivity = ssid->ap_max_inactivity; if (ssid->dtim_period) bss->dtim_period = ssid->dtim_period; else if (wpa_s->conf->dtim_period) bss->dtim_period = wpa_s->conf->dtim_period; if (ssid->beacon_int) conf->beacon_int = ssid->beacon_int; else if (wpa_s->conf->beacon_int) conf->beacon_int = wpa_s->conf->beacon_int; if ((bss->wpa & 2) && bss->rsn_pairwise == 0) bss->rsn_pairwise = bss->wpa_pairwise; bss->wpa_group = wpa_select_ap_group_cipher(bss->wpa, bss->wpa_pairwise, bss->rsn_pairwise); if (bss->wpa && bss->ieee802_1x) bss->ssid.security_policy = SECURITY_WPA; else if (bss->wpa) bss->ssid.security_policy = SECURITY_WPA_PSK; else if (bss->ieee802_1x) { int cipher = WPA_CIPHER_NONE; bss->ssid.security_policy = SECURITY_IEEE_802_1X; bss->ssid.wep.default_len = bss->default_wep_key_len; if (bss->default_wep_key_len) cipher = bss->default_wep_key_len >= 13 ? WPA_CIPHER_WEP104 : WPA_CIPHER_WEP40; bss->wpa_group = cipher; bss->wpa_pairwise = cipher; bss->rsn_pairwise = cipher; } else if (bss->ssid.wep.keys_set) { int cipher = WPA_CIPHER_WEP40; if (bss->ssid.wep.len[0] >= 13) cipher = WPA_CIPHER_WEP104; bss->ssid.security_policy = SECURITY_STATIC_WEP; bss->wpa_group = cipher; bss->wpa_pairwise = cipher; bss->rsn_pairwise = cipher; } else { bss->ssid.security_policy = SECURITY_PLAINTEXT; bss->wpa_group = WPA_CIPHER_NONE; bss->wpa_pairwise = WPA_CIPHER_NONE; bss->rsn_pairwise = WPA_CIPHER_NONE; } if (bss->wpa_group_rekey < 86400 && (bss->wpa & 2) && (bss->wpa_group == WPA_CIPHER_CCMP || bss->wpa_group == WPA_CIPHER_GCMP)) { /* * Strong ciphers do not need frequent rekeying, so increase * the default GTK rekeying period to 24 hours. */ bss->wpa_group_rekey = 86400; } #ifdef CONFIG_WPS /* * Enable WPS by default for open and WPA/WPA2-Personal network, but * require user interaction to actually use it. Only the internal * Registrar is supported. */ if (bss->ssid.security_policy != SECURITY_WPA_PSK && bss->ssid.security_policy != SECURITY_PLAINTEXT) goto no_wps; #ifdef CONFIG_WPS2 if (bss->ssid.security_policy == SECURITY_WPA_PSK && (!(bss->rsn_pairwise & WPA_CIPHER_CCMP) || !(bss->wpa & 2))) goto no_wps; /* WPS2 does not allow WPA/TKIP-only * configuration */ #endif /* CONFIG_WPS2 */ bss->eap_server = 1; if (!ssid->ignore_broadcast_ssid) bss->wps_state = 2; bss->ap_setup_locked = 2; if (wpa_s->conf->config_methods) bss->config_methods = os_strdup(wpa_s->conf->config_methods); os_memcpy(bss->device_type, wpa_s->conf->device_type, WPS_DEV_TYPE_LEN); if (wpa_s->conf->device_name) { bss->device_name = os_strdup(wpa_s->conf->device_name); bss->friendly_name = os_strdup(wpa_s->conf->device_name); } if (wpa_s->conf->manufacturer) bss->manufacturer = os_strdup(wpa_s->conf->manufacturer); if (wpa_s->conf->model_name) bss->model_name = os_strdup(wpa_s->conf->model_name); if (wpa_s->conf->model_number) bss->model_number = os_strdup(wpa_s->conf->model_number); if (wpa_s->conf->serial_number) bss->serial_number = os_strdup(wpa_s->conf->serial_number); if (is_nil_uuid(wpa_s->conf->uuid)) os_memcpy(bss->uuid, wpa_s->wps->uuid, WPS_UUID_LEN); else os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN); os_memcpy(bss->os_version, wpa_s->conf->os_version, 4); bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1; no_wps: #endif /* CONFIG_WPS */ if (wpa_s->max_stations && wpa_s->max_stations < wpa_s->conf->max_num_sta) bss->max_num_sta = wpa_s->max_stations; else bss->max_num_sta = wpa_s->conf->max_num_sta; bss->disassoc_low_ack = wpa_s->conf->disassoc_low_ack; if (wpa_s->conf->ap_vendor_elements) { bss->vendor_elements = wpabuf_dup(wpa_s->conf->ap_vendor_elements); } return 0; }
static int dfs_are_channels_overlapped(struct hostapd_iface *iface, int freq, int chan_width, int cf1, int cf2) { int start_chan_idx, start_chan_idx1; struct hostapd_hw_modes *mode; struct hostapd_channel_data *chan; int n_chans, n_chans1, i, j, frequency = freq, radar_n_chans = 1; u8 radar_chan; int res = 0; /* Our configuration */ mode = iface->current_mode; start_chan_idx = dfs_get_start_chan_idx(iface, &start_chan_idx1); n_chans = dfs_get_used_n_chans(iface, &n_chans1); /* Check we are on DFS channel(s) */ if (!dfs_check_chans_radar(iface, start_chan_idx, n_chans)) return 0; /* Reported via radar event */ switch (chan_width) { case CHAN_WIDTH_20_NOHT: case CHAN_WIDTH_20: radar_n_chans = 1; if (frequency == 0) frequency = cf1; break; case CHAN_WIDTH_40: radar_n_chans = 2; frequency = cf1 - 10; break; case CHAN_WIDTH_80: radar_n_chans = 4; frequency = cf1 - 30; break; case CHAN_WIDTH_160: radar_n_chans = 8; frequency = cf1 - 70; break; default: wpa_printf(MSG_INFO, "DFS chan_width %d not supported", chan_width); break; } ieee80211_freq_to_chan(frequency, &radar_chan); for (i = 0; i < n_chans; i++) { chan = &mode->channels[start_chan_idx + i]; if (!(chan->flag & HOSTAPD_CHAN_RADAR)) continue; for (j = 0; j < radar_n_chans; j++) { wpa_printf(MSG_DEBUG, "checking our: %d, radar: %d", chan->chan, radar_chan + j * 4); if (chan->chan == radar_chan + j * 4) res++; } } wpa_printf(MSG_DEBUG, "overlapped: %d", res); return res; }
static int wpa_supplicant_mesh_init(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid) { struct hostapd_iface *ifmsh; struct hostapd_data *bss; struct hostapd_config *conf; struct mesh_conf *mconf; int basic_rates_erp[] = { 10, 20, 55, 60, 110, 120, 240, -1 }; static int default_groups[] = { 19, 20, 21, 25, 26, -1 }; size_t len; int rate_len; if (!wpa_s->conf->user_mpm) { /* not much for us to do here */ wpa_msg(wpa_s, MSG_WARNING, "user_mpm is not enabled in configuration"); return 0; } wpa_s->ifmsh = ifmsh = os_zalloc(sizeof(*wpa_s->ifmsh)); if (!ifmsh) return -ENOMEM; ifmsh->drv_flags = wpa_s->drv_flags; ifmsh->num_bss = 1; ifmsh->bss = os_calloc(wpa_s->ifmsh->num_bss, sizeof(struct hostapd_data *)); if (!ifmsh->bss) goto out_free; ifmsh->bss[0] = bss = os_zalloc(sizeof(struct hostapd_data)); if (!bss) goto out_free; os_memcpy(bss->own_addr, wpa_s->own_addr, ETH_ALEN); bss->driver = wpa_s->driver; bss->drv_priv = wpa_s->drv_priv; bss->iface = ifmsh; bss->mesh_sta_free_cb = mesh_mpm_free_sta; wpa_s->assoc_freq = ssid->frequency; wpa_s->current_ssid = ssid; /* setup an AP config for auth processing */ conf = hostapd_config_defaults(); if (!conf) goto out_free; bss->conf = *conf->bss; bss->conf->start_disabled = 1; bss->conf->mesh = MESH_ENABLED; bss->conf->ap_max_inactivity = wpa_s->conf->mesh_max_inactivity; bss->iconf = conf; ifmsh->conf = conf; ifmsh->bss[0]->max_plinks = wpa_s->conf->max_peer_links; os_strlcpy(bss->conf->iface, wpa_s->ifname, sizeof(bss->conf->iface)); mconf = mesh_config_create(ssid); if (!mconf) goto out_free; ifmsh->mconf = mconf; /* need conf->hw_mode for supported rates. */ if (ssid->frequency == 0) { conf->hw_mode = HOSTAPD_MODE_IEEE80211G; conf->channel = 1; } else { conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency, &conf->channel); } if (conf->hw_mode == NUM_HOSTAPD_MODES) { wpa_printf(MSG_ERROR, "Unsupported mesh mode frequency: %d MHz", ssid->frequency); goto out_free; } if (ssid->mesh_basic_rates == NULL) { /* * XXX: Hack! This is so an MPM which correctly sets the ERP * mandatory rates as BSSBasicRateSet doesn't reject us. We * could add a new hw_mode HOSTAPD_MODE_IEEE80211G_ERP, but * this is way easier. This also makes our BSSBasicRateSet * advertised in beacons match the one in peering frames, sigh. */ if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G) { conf->basic_rates = os_malloc(sizeof(basic_rates_erp)); if (!conf->basic_rates) goto out_free; os_memcpy(conf->basic_rates, basic_rates_erp, sizeof(basic_rates_erp)); } } else { rate_len = 0; while (1) { if (ssid->mesh_basic_rates[rate_len] < 1) break; rate_len++; } conf->basic_rates = os_calloc(rate_len + 1, sizeof(int)); if (conf->basic_rates == NULL) goto out_free; os_memcpy(conf->basic_rates, ssid->mesh_basic_rates, rate_len * sizeof(int)); conf->basic_rates[rate_len] = -1; } if (hostapd_setup_interface(ifmsh)) { wpa_printf(MSG_ERROR, "Failed to initialize hostapd interface for mesh"); return -1; } if (wpa_drv_init_mesh(wpa_s)) { wpa_msg(wpa_s, MSG_ERROR, "Failed to init mesh in driver"); return -1; } if (mconf->security != MESH_CONF_SEC_NONE) { if (ssid->passphrase == NULL) { wpa_printf(MSG_ERROR, "mesh: Passphrase for SAE not configured"); goto out_free; } bss->conf->wpa = ssid->proto; bss->conf->wpa_key_mgmt = ssid->key_mgmt; if (wpa_s->conf->sae_groups && wpa_s->conf->sae_groups[0] > 0) { wpas_mesh_copy_groups(bss, wpa_s); } else { bss->conf->sae_groups = os_malloc(sizeof(default_groups)); if (!bss->conf->sae_groups) goto out_free; os_memcpy(bss->conf->sae_groups, default_groups, sizeof(default_groups)); } len = os_strlen(ssid->passphrase); bss->conf->ssid.wpa_passphrase = dup_binstr(ssid->passphrase, len); wpa_s->mesh_rsn = mesh_rsn_auth_init(wpa_s, mconf); if (!wpa_s->mesh_rsn) goto out_free; } wpa_supplicant_conf_ap_ht(wpa_s, ssid, conf); return 0; out_free: wpa_supplicant_mesh_deinit(wpa_s); return -ENOMEM; }
void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht, int offset, int width, int cf1, int cf2) { /* TODO: If OCV is enabled deauth STAs that don't perform a SA Query */ #ifdef NEED_AP_MLME int channel, chwidth, is_dfs; u8 seg0_idx = 0, seg1_idx = 0; size_t i; hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, HOSTAPD_LEVEL_INFO, "driver had channel switch: freq=%d, ht=%d, vht_ch=0x%x, offset=%d, width=%d (%s), cf1=%d, cf2=%d", freq, ht, hapd->iconf->ch_switch_vht_config, offset, width, channel_width_to_string(width), cf1, cf2); hapd->iface->freq = freq; channel = hostapd_hw_get_channel(hapd, freq); if (!channel) { hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211, HOSTAPD_LEVEL_WARNING, "driver switched to bad channel!"); return; } switch (width) { case CHAN_WIDTH_80: chwidth = VHT_CHANWIDTH_80MHZ; break; case CHAN_WIDTH_80P80: chwidth = VHT_CHANWIDTH_80P80MHZ; break; case CHAN_WIDTH_160: chwidth = VHT_CHANWIDTH_160MHZ; break; case CHAN_WIDTH_20_NOHT: case CHAN_WIDTH_20: case CHAN_WIDTH_40: default: chwidth = VHT_CHANWIDTH_USE_HT; break; } switch (hapd->iface->current_mode->mode) { case HOSTAPD_MODE_IEEE80211A: if (cf1 > 5000) seg0_idx = (cf1 - 5000) / 5; if (cf2 > 5000) seg1_idx = (cf2 - 5000) / 5; break; default: ieee80211_freq_to_chan(cf1, &seg0_idx); ieee80211_freq_to_chan(cf2, &seg1_idx); break; } hapd->iconf->channel = channel; hapd->iconf->ieee80211n = ht; if (!ht) { hapd->iconf->ieee80211ac = 0; } else if (hapd->iconf->ch_switch_vht_config) { /* CHAN_SWITCH VHT config */ if (hapd->iconf->ch_switch_vht_config & CH_SWITCH_VHT_ENABLED) hapd->iconf->ieee80211ac = 1; else if (hapd->iconf->ch_switch_vht_config & CH_SWITCH_VHT_DISABLED) hapd->iconf->ieee80211ac = 0; } hapd->iconf->ch_switch_vht_config = 0; hapd->iconf->secondary_channel = offset; hapd->iconf->vht_oper_chwidth = chwidth; hapd->iconf->vht_oper_centr_freq_seg0_idx = seg0_idx; hapd->iconf->vht_oper_centr_freq_seg1_idx = seg1_idx; is_dfs = ieee80211_is_dfs(freq, hapd->iface->hw_features, hapd->iface->num_hw_features); if (hapd->csa_in_progress && freq == hapd->cs_freq_params.freq) { hostapd_cleanup_cs_params(hapd); ieee802_11_set_beacon(hapd); wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED "freq=%d dfs=%d", freq, is_dfs); } else if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) { wpa_msg(hapd->msg_ctx, MSG_INFO, AP_CSA_FINISHED "freq=%d dfs=%d", freq, is_dfs); } for (i = 0; i < hapd->iface->num_bss; i++) hostapd_neighbor_set_own_report(hapd->iface->bss[i]); #endif /* NEED_AP_MLME */ }