diff --git a/src/ap/hostapd.c b/src/ap/hostapd.c index 1ad751089..336cfca4a 100644 --- a/src/ap/hostapd.c +++ b/src/ap/hostapd.c @@ -1528,6 +1528,126 @@ void fst_hostapd_fill_iface_obj(struct hostapd_data *hapd, #endif /* CONFIG_FST */ +#ifdef NEED_AP_MLME +static enum nr_chan_width hostapd_get_nr_chan_width(struct hostapd_data *hapd, + int ht, int vht) +{ + if (!ht && !vht) + return NR_CHAN_WIDTH_20; + if (!hapd->iconf->secondary_channel) + return NR_CHAN_WIDTH_20; + if (!vht || hapd->iconf->vht_oper_chwidth == VHT_CHANWIDTH_USE_HT) + return NR_CHAN_WIDTH_40; + if (hapd->iconf->vht_oper_chwidth == VHT_CHANWIDTH_80MHZ) + return NR_CHAN_WIDTH_80; + if (hapd->iconf->vht_oper_chwidth == VHT_CHANWIDTH_160MHZ) + return NR_CHAN_WIDTH_160; + if (hapd->iconf->vht_oper_chwidth == VHT_CHANWIDTH_80P80MHZ) + return NR_CHAN_WIDTH_80P80; + return NR_CHAN_WIDTH_20; +} +#endif /* NEED_AP_MLME */ + + +static void hostapd_set_own_neighbor_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; + int center_freq1 = 0, center_freq2 = 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 */ + + ieee80211_freq_to_channel_ext(hapd->iface->freq, + hapd->iconf->secondary_channel, + hapd->iconf->vht_oper_chwidth, + &op_class, &channel); + width = hostapd_get_nr_chan_width(hapd, ht, vht); + if (vht) { + center_freq1 = ieee80211_chan_to_freq( + NULL, op_class, + hapd->iconf->vht_oper_centr_freq_seg0_idx); + if (width == NR_CHAN_WIDTH_80P80) + center_freq2 = ieee80211_chan_to_freq( + NULL, op_class, + hapd->iconf->vht_oper_centr_freq_seg1_idx); + } else if (ht) { + center_freq1 = hapd->iface->freq + + 10 * hapd->iconf->secondary_channel; + } + + 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); + wpabuf_put_u8(nr, center_freq2); + + hostapd_neighbor_set(hapd, hapd->own_addr, &ssid, nr, hapd->iconf->lci, + hapd->iconf->civic); + + wpabuf_free(nr); +#endif /* NEED_AP_MLME */ +} + + static int hostapd_setup_interface_complete_sync(struct hostapd_iface *iface, int err) { @@ -1713,6 +1833,9 @@ dfs_offload: if (iface->interfaces && iface->interfaces->terminate_on_error > 0) iface->interfaces->terminate_on_error--; + for (j = 0; j < iface->num_bss; j++) + hostapd_set_own_neighbor_report(iface->bss[j]); + return 0; fail: