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hostapd: Add MBO IE to Beacon, Probe Response, Association Response

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Add MBO IE with AP capability attribute to Beacon, Probe Response, and
(Re)Association Response frames to indicate the AP supports MBO.

Add option to add Association Disallowed attribute to Beacon, Probe
Response, and (Re)Association Response frames. Usage:

SET mbo_assoc_disallow <reason code>

Valid reason code values are between 1-5. Setting the reason code to
0 will remove the Association Disallowed attribute from the MBO IE
and will allow new associations.

MBO functionality is enabled by setting "mbo=1" in the config file.

Signed-off-by: Avraham Stern <avraham.stern@intel.com>
This commit is contained in:
Avraham Stern 2016-02-15 16:53:52 +02:00 • committed by Jouni Malinen
parent c484b19882
commit fb9a1c3e28
13 changed files with 149 additions and 0 deletions
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9
src/ap/beacon.c
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@ -387,6 +387,9 @@ static u8 * hostapd_gen_probe_resp(struct hostapd_data *hapd,
buflen += 5 + 2 + sizeof(struct ieee80211_vht_capabilities) +
2 + sizeof(struct ieee80211_vht_operation);
}
buflen += hostapd_mbo_ie_len(hapd);
resp = os_zalloc(buflen);
if (resp == NULL)
return NULL;
@ -518,6 +521,8 @@ static u8 * hostapd_gen_probe_resp(struct hostapd_data *hapd,
pos = hostapd_eid_osen(hapd, pos);
#endif /* CONFIG_HS20 */
pos = hostapd_eid_mbo(hapd, pos, (u8 *) resp + buflen - pos);
if (hapd->conf->vendor_elements) {
os_memcpy(pos, wpabuf_head(hapd->conf->vendor_elements),
wpabuf_len(hapd->conf->vendor_elements));
@ -980,6 +985,8 @@ int ieee802_11_build_ap_params(struct hostapd_data *hapd,
}
#endif /* CONFIG_IEEE80211AC */
tail_len += hostapd_mbo_ie_len(hapd);
tailpos = tail = os_malloc(tail_len);
if (head == NULL || tail == NULL) {
wpa_printf(MSG_ERROR, "Failed to set beacon data");
@ -1133,6 +1140,8 @@ int ieee802_11_build_ap_params(struct hostapd_data *hapd,
tailpos = hostapd_eid_osen(hapd, tailpos);
#endif /* CONFIG_HS20 */
tailpos = hostapd_eid_mbo(hapd, tailpos, tail + tail_len - tailpos);
if (hapd->conf->vendor_elements) {
os_memcpy(tailpos, wpabuf_head(hapd->conf->vendor_elements),
wpabuf_len(hapd->conf->vendor_elements));