+static void wiphy_info_extended_capab(struct wpa_driver_nl80211_data *drv,
+ struct nlattr *tb)
+{
+ int rem = 0, i;
+ struct nlattr *tb1[NL80211_ATTR_MAX + 1], *attr;
+
+ if (!tb || drv->num_iface_ext_capa == NL80211_IFTYPE_MAX)
+ return;
+
+ nla_for_each_nested(attr, tb, rem) {
+ unsigned int len;
+ struct drv_nl80211_ext_capa *capa;
+
+ nla_parse(tb1, NL80211_ATTR_MAX, nla_data(attr),
+ nla_len(attr), NULL);
+
+ if (!tb1[NL80211_ATTR_IFTYPE] ||
+ !tb1[NL80211_ATTR_EXT_CAPA] ||
+ !tb1[NL80211_ATTR_EXT_CAPA_MASK])
+ continue;
+
+ capa = &drv->iface_ext_capa[drv->num_iface_ext_capa];
+ capa->iftype = nla_get_u32(tb1[NL80211_ATTR_IFTYPE]);
+ wpa_printf(MSG_DEBUG,
+ "nl80211: Driver-advertised extended capabilities for interface type %s",
+ nl80211_iftype_str(capa->iftype));
+
+ len = nla_len(tb1[NL80211_ATTR_EXT_CAPA]);
+ capa->ext_capa = os_malloc(len);
+ if (!capa->ext_capa)
+ goto err;
+
+ os_memcpy(capa->ext_capa, nla_data(tb1[NL80211_ATTR_EXT_CAPA]),
+ len);
+ capa->ext_capa_len = len;
+ wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities",
+ capa->ext_capa, capa->ext_capa_len);
+
+ len = nla_len(tb1[NL80211_ATTR_EXT_CAPA_MASK]);
+ capa->ext_capa_mask = os_malloc(len);
+ if (!capa->ext_capa_mask)
+ goto err;
+
+ os_memcpy(capa->ext_capa_mask,
+ nla_data(tb1[NL80211_ATTR_EXT_CAPA_MASK]), len);
+ wpa_hexdump(MSG_DEBUG, "nl80211: Extended capabilities mask",
+ capa->ext_capa_mask, capa->ext_capa_len);
+
+ drv->num_iface_ext_capa++;
+ if (drv->num_iface_ext_capa == NL80211_IFTYPE_MAX)
+ break;
+ }
+
+ return;
+
+err:
+ /* Cleanup allocated memory on error */
+ for (i = 0; i < NL80211_IFTYPE_MAX; i++) {
+ os_free(drv->iface_ext_capa[i].ext_capa);
+ drv->iface_ext_capa[i].ext_capa = NULL;
+ os_free(drv->iface_ext_capa[i].ext_capa_mask);
+ drv->iface_ext_capa[i].ext_capa_mask = NULL;
+ drv->iface_ext_capa[i].ext_capa_len = 0;
+ }
+ drv->num_iface_ext_capa = 0;
+}
+
+