int wpas_mbo_ie(struct wpa_supplicant *wpa_s, u8 *buf, size_t len)
{
struct wpabuf *mbo;
int res;
if (len < MBO_IE_HEADER + 3 + 7)
return 0;
/* Leave room for the MBO IE header */
mbo = wpabuf_alloc(len - MBO_IE_HEADER);
if (!mbo)
return 0;
/* Add non-preferred channels attribute */
wpas_mbo_non_pref_chan_attrs(wpa_s, mbo, 0);
/*
* Send cellular capabilities attribute even if AP does not advertise
* cellular capabilities.
*/
wpabuf_put_u8(mbo, MBO_ATTR_ID_CELL_DATA_CAPA);
wpabuf_put_u8(mbo, 1);
wpabuf_put_u8(mbo, wpa_s->conf->mbo_cell_capa);
res = mbo_add_ie(buf, len, wpabuf_head_u8(mbo), wpabuf_len(mbo));
if (!res)
wpa_printf(MSG_ERROR, "Failed to add MBO IE");
wpabuf_free(mbo);
return res;
}
size_t wpas_mbo_ie_bss_trans_reject(struct wpa_supplicant *wpa_s, u8 *pos,
size_t len,
enum mbo_transition_reject_reason reason)
{
u8 reject_attr[3];
reject_attr[0] = MBO_ATTR_ID_TRANSITION_REJECT_REASON;
reject_attr[1] = 1;
reject_attr[2] = reason;
return mbo_add_ie(pos, len, reject_attr, sizeof(reject_attr));
}
u8 * hostapd_eid_mbo(struct hostapd_data *hapd, u8 *eid, size_t len)
{
u8 mbo[9], *mbo_pos = mbo;
u8 *pos = eid;
if (!hapd->conf->mbo_enabled &&
!OCE_STA_CFON_ENABLED(hapd) && !OCE_AP_ENABLED(hapd))
return eid;
if (hapd->conf->mbo_enabled) {
*mbo_pos++ = MBO_ATTR_ID_AP_CAPA_IND;
*mbo_pos++ = 1;
/* Not Cellular aware */
*mbo_pos++ = 0;
}
if (hapd->conf->mbo_enabled && hapd->mbo_assoc_disallow) {
*mbo_pos++ = MBO_ATTR_ID_ASSOC_DISALLOW;
*mbo_pos++ = 1;
*mbo_pos++ = hapd->mbo_assoc_disallow;
}
if (OCE_STA_CFON_ENABLED(hapd) || OCE_AP_ENABLED(hapd)) {
u8 ctrl;
ctrl = OCE_RELEASE;
if (OCE_STA_CFON_ENABLED(hapd) && !OCE_AP_ENABLED(hapd))
ctrl |= OCE_IS_STA_CFON;
*mbo_pos++ = OCE_ATTR_ID_CAPA_IND;
*mbo_pos++ = 1;
*mbo_pos++ = ctrl;
}
pos += mbo_add_ie(pos, len, mbo, mbo_pos - mbo);
return pos;
}
u8 * hostapd_eid_mbo(struct hostapd_data *hapd, u8 *eid, size_t len)
{
u8 mbo[6], *mbo_pos = mbo;
u8 *pos = eid;
if (!hapd->conf->mbo_enabled)
return eid;
*mbo_pos++ = MBO_ATTR_ID_AP_CAPA_IND;
*mbo_pos++ = 1;
/* Not Cellular aware */
*mbo_pos++ = 0;
if (hapd->mbo_assoc_disallow) {
*mbo_pos++ = MBO_ATTR_ID_ASSOC_DISALLOW;
*mbo_pos++ = 1;
*mbo_pos++ = hapd->mbo_assoc_disallow;
}
pos += mbo_add_ie(pos, len, mbo, mbo_pos - mbo);
return pos;
}
