sys/net80211/ieee80211_scan_sta.c

159 	struct sta_table *st;
161 	st = (struct sta_table *) malloc(sizeof(struct sta_table),
163 	if (st == NULL)
165 	IEEE80211_SCAN_TABLE_LOCK_INIT(st, "scantable");
166 	mtx_init(&st->st_scanlock, "scangen", "802.11 scangen", MTX_DEF);
167 	TAILQ_INIT(&st->st_entry);
168 	ss->ss_priv = st;
179 	struct sta_table *st = ss->ss_priv;
181 	if (st != NULL) {
182 		sta_flush_table(st);
183 		IEEE80211_SCAN_TABLE_LOCK_DESTROY(st);
184 		mtx_destroy(&st->st_scanlock);
185 		free(st, M_80211_SCAN);
198 	struct sta_table *st = ss->ss_priv;
200 	IEEE80211_SCAN_TABLE_LOCK(st);
201 	sta_flush_table(st);
202 	IEEE80211_SCAN_TABLE_UNLOCK(st);
211 sta_flush_table(struct sta_table *st)
215 	TAILQ_FOREACH_SAFE(se, &st->st_entry, se_list, next) {
216 		TAILQ_REMOVE(&st->st_entry, se, se_list);
221 	memset(st->st_maxrssi, 0, sizeof(st->st_maxrssi));
238 	struct sta_table *st = ss->ss_priv;
249 	IEEE80211_SCAN_TABLE_LOCK(st);
250 	LIST_FOREACH(se, &st->st_hash[hash], se_hash)
256 		IEEE80211_SCAN_TABLE_UNLOCK(st);
259 	se->se_scangen = st->st_scaniter-1;
262 	TAILQ_INSERT_TAIL(&st->st_entry, se, se_list);
263 	LIST_INSERT_HEAD(&st->st_hash[hash], se, se_hash);
355 			if (se->se_countrygen != st->st_scangen) {
358 				se->se_countrygen = st->st_scangen;
379 	if (rssi > st->st_maxrssi[sp->bchan])
380 		st->st_maxrssi[sp->bchan] = rssi;
382 	IEEE80211_SCAN_TABLE_UNLOCK(st);
698 	struct sta_table *st = ss->ss_priv;
707 	st->st_scangen++;
708 	st->st_newscan = 1;
720 	struct sta_table *st = ss->ss_priv;
722 	st->st_newscan = 1;
1150 sta_update_notseen(struct sta_table *st)
1154 	IEEE80211_SCAN_TABLE_LOCK(st);
1155 	TAILQ_FOREACH(se, &st->st_entry, se_list) {
1168 	IEEE80211_SCAN_TABLE_UNLOCK(st);
1172 sta_dec_fails(struct sta_table *st)
1176 	IEEE80211_SCAN_TABLE_LOCK(st);
1177 	TAILQ_FOREACH(se, &st->st_entry, se_list)
1180 	IEEE80211_SCAN_TABLE_UNLOCK(st);
1186 	struct sta_table *st = ss->ss_priv;
1191 	IEEE80211_SCAN_TABLE_LOCK(st);
1192 	TAILQ_FOREACH(se, &st->st_entry, se_list) {
1201 	IEEE80211_SCAN_TABLE_UNLOCK(st);
1213 	struct sta_table *st = ss->ss_priv;
1220 	if (st->st_newscan) {
1221 		sta_update_notseen(st);
1222 		st->st_newscan = 0;
1238 	if (TAILQ_FIRST(&st->st_entry) == NULL) {
1251 		sta_dec_fails(st);
1252 		st->st_newscan = 1;
1275 sta_lookup(struct sta_table *st, const uint8_t macaddr[IEEE80211_ADDR_LEN])
1280 	IEEE80211_SCAN_TABLE_LOCK(st);
1281 	LIST_FOREACH(se, &st->st_hash[hash], se_hash)
1284 	IEEE80211_SCAN_TABLE_UNLOCK(st);
1294 	struct sta_table *st = ss->ss_priv;
1300 	se = sta_lookup(st, ni->ni_macaddr);
1397 	struct sta_table *st = ss->ss_priv;
1401 	mtx_lock(&st->st_scanlock);
1402 	gen = st->st_scaniter++;
1404 	IEEE80211_SCAN_TABLE_LOCK(st);
1405 	TAILQ_FOREACH(se, &st->st_entry, se_list) {
1410 			IEEE80211_SCAN_TABLE_UNLOCK(st);
1415 	IEEE80211_SCAN_TABLE_UNLOCK(st);
1417 	mtx_unlock(&st->st_scanlock);
1424 	struct sta_table *st = ss->ss_priv;
1427 	se = sta_lookup(st, macaddr);
1441 	struct sta_table *st = ss->ss_priv;
1444 	se = sta_lookup(st, macaddr);
1501 	struct sta_table *st = ss->ss_priv;
1510 	st->st_scangen++;
1511 	st->st_newscan = 1;
1524 	struct sta_table *st = ss->ss_priv;
1532 	IEEE80211_SCAN_TABLE_LOCK(st);
1545 		TAILQ_FOREACH(se, &st->st_entry, se_list) {
1554 	IEEE80211_SCAN_TABLE_UNLOCK(st);
1566 	struct sta_table *st = ss->ss_priv;
1576 	if (st->st_newscan) {
1577 		sta_update_notseen(st);
1578 		st->st_newscan = 0;
1594 	if (TAILQ_FIRST(&st->st_entry) == NULL) {
1639 		sta_dec_fails(st);
1640 		st->st_newscan = 1;
1670 	struct sta_table *st = ss->ss_priv;
1673 	IEEE80211_SCAN_TABLE_LOCK(st);
1674 	TAILQ_FOREACH_SAFE(se, &st->st_entry, se_list, next) {
1676 			TAILQ_REMOVE(&st->st_entry, se, se_list);
1682 	IEEE80211_SCAN_TABLE_UNLOCK(st);
1727 	struct sta_table *st = ss->ss_priv;
1736 	st->st_scangen++;
1737 	st->st_newscan = 1;
1759 	struct sta_table *st = ss->ss_priv;
1782 		if (st->st_maxrssi[chan->ic_ieee] == 0) {
1787 		    st->st_maxrssi[chan->ic_ieee] < st->st_maxrssi[bestchan->ic_ieee])
1864 	struct sta_table *st = ss->ss_priv;
1872 	if (st->st_newscan) {
1873 		sta_update_notseen(st);
1874 		st->st_newscan = 0;
1890 	if (TAILQ_FIRST(&st->st_entry) == NULL) {
1924 		sta_dec_fails(st);
1925 		st->st_newscan = 1;