Lines Matching full:ap

2  * hostapd / AP table
25 /* AP list is a double linked list with head->prev pointing to the end of the
27  * whenever a beacon has been received from the AP in question. The tail entry
31 static int ap_list_beacon_olbc(struct hostapd_iface *iface, struct ap_info *ap)
37 	    iface->conf->channel != ap->channel)
40 	if (ap->erp != -1 && (ap->erp & ERP_INFO_NON_ERP_PRESENT))
44 		int rate = (ap->supported_rates[i] & 0x7f) * 5;
53 static struct ap_info * ap_get_ap(struct hostapd_iface *iface, const u8 *ap)
57 	s = iface->ap_hash[STA_HASH(ap)];
58 	while (s != NULL && !ether_addr_equal(s->addr, ap))
64 static void ap_ap_list_add(struct hostapd_iface *iface, struct ap_info *ap)
67 		ap->prev = iface->ap_list->prev;
68 		iface->ap_list->prev = ap;
70 		ap->prev = ap;
71 	ap->next = iface->ap_list;
72 	iface->ap_list = ap;
76 static void ap_ap_list_del(struct hostapd_iface *iface, struct ap_info *ap)
78 	if (iface->ap_list == ap)
79 		iface->ap_list = ap->next;
81 		ap->prev->next = ap->next;
83 	if (ap->next)
84 		ap->next->prev = ap->prev;
86 		iface->ap_list->prev = ap->prev;
90 static void ap_ap_hash_add(struct hostapd_iface *iface, struct ap_info *ap)
92 	ap->hnext = iface->ap_hash[STA_HASH(ap->addr)];
93 	iface->ap_hash[STA_HASH(ap->addr)] = ap;
97 static void ap_ap_hash_del(struct hostapd_iface *iface, struct ap_info *ap)
101 	s = iface->ap_hash[STA_HASH(ap->addr)];
103 	if (ether_addr_equal(s->addr, ap->addr)) {
104 		iface->ap_hash[STA_HASH(ap->addr)] = s->hnext;
109 	       !ether_addr_equal(s->hnext->addr, ap->addr))
114 		wpa_printf(MSG_INFO, "AP: could not remove AP " MACSTR
115 			   " from hash table",  MAC2STR(ap->addr));
119 static void ap_free_ap(struct hostapd_iface *iface, struct ap_info *ap)
121 	ap_ap_hash_del(iface, ap);
122 	ap_ap_list_del(iface, ap);
125 	os_free(ap);
131 	struct ap_info *ap, *prev;
133 	ap = iface->ap_list;
135 	while (ap) {
136 		prev = ap;
137 		ap = ap->next;
147 	struct ap_info *ap;
149 	ap = os_zalloc(sizeof(struct ap_info));
150 	if (ap == NULL)
153 	/* initialize AP info data */
154 	os_memcpy(ap->addr, addr, ETH_ALEN);
155 	ap_ap_list_add(iface, ap);
157 	ap_ap_hash_add(iface, ap);
159 	if (iface->num_ap > iface->conf->ap_table_max_size && ap != ap->prev) {
160 		wpa_printf(MSG_DEBUG, "Removing the least recently used AP "
161 			   MACSTR " from AP table", MAC2STR(ap->prev->addr));
162 		ap_free_ap(iface, ap->prev);
165 	return ap;
174 	struct ap_info *ap;
181 	ap = ap_get_ap(iface, mgmt->bssid);
182 	if (!ap) {
183 		ap = ap_ap_add(iface, mgmt->bssid);
184 		if (!ap) {
186 				   "Failed to allocate AP information entry");
192 	merge_byte_arrays(ap->supported_rates, WLAN_SUPP_RATES_MAX,
197 		ap->erp = elems->erp_info[0];
199 		ap->erp = -1;
202 		ap->channel = elems->ds_params[0];
204 		ap->channel = elems->ht_operation[0];
206 		ap->channel = fi->channel;
209 		ap->ht_support = 1;
211 		ap->ht_support = 0;
213 	os_get_reltime(&ap->last_beacon);
215 	if (!new_ap && ap != iface->ap_list) {
216 		/* move AP entry into the beginning of the list so that the
218 		ap_ap_list_del(iface, ap);
219 		ap_ap_list_add(iface, ap);
223 	    ap_list_beacon_olbc(iface, ap)) {
225 		wpa_printf(MSG_DEBUG, "OLBC AP detected: " MACSTR
227 			   MAC2STR(ap->addr), ap->channel);
231 	if (!iface->olbc_ht && !ap->ht_support &&
232 	    (ap->channel == 0 ||
233 	     ap->channel == iface->conf->channel ||
234 	     ap->channel == iface->conf->channel +
238 		wpa_printf(MSG_DEBUG, "OLBC HT AP detected: " MACSTR
240 			   MAC2STR(ap->addr), ap->channel);
252 	struct ap_info *ap;
261 		ap = iface->ap_list->prev;
262 		if (!os_reltime_expired(&now, &ap->last_beacon,
266 		ap_free_ap(iface, ap);
273 		ap = iface->ap_list;
274 		while (ap && (olbc == 0 || olbc_ht == 0)) {
275 			if (ap_list_beacon_olbc(iface, ap))
277 			if (!ap->ht_support)
279 			ap = ap->next;