216 static int tx_policy_find(struct tx_policy_cache *cache,  in tx_policy_find()  argument
225 	list_for_each_entry(it, &cache->used, link) {  in tx_policy_find()
227 			return it - cache->cache;  in tx_policy_find()
230 	list_for_each_entry(it, &cache->free, link) {  in tx_policy_find()
232 			return it - cache->cache;  in tx_policy_find()
237 static inline void tx_policy_use(struct tx_policy_cache *cache,  in tx_policy_use()  argument
241 	list_move(&entry->link, &cache->used);  in tx_policy_use()
244 static inline int tx_policy_release(struct tx_policy_cache *cache,  in tx_policy_release()  argument
249 		list_move(&entry->link, &cache->free);  in tx_policy_release()
256 	struct tx_policy_cache *cache = &priv->tx_policy_cache;  in tx_policy_clean()  local
260 	spin_lock_bh(&cache->lock);  in tx_policy_clean()
261 	locked = list_empty(&cache->free);  in tx_policy_clean()
264 		entry = &cache->cache[idx];  in tx_policy_clean()
270 			list_move(&entry->link, &cache->free);  in tx_policy_clean()
278 	spin_unlock_bh(&cache->lock);  in tx_policy_clean()
286 	struct tx_policy_cache *cache = &priv->tx_policy_cache;  in tx_policy_init()  local
289 	memset(cache, 0, sizeof(*cache));  in tx_policy_init()
291 	spin_lock_init(&cache->lock);  in tx_policy_init()
292 	INIT_LIST_HEAD(&cache->used);  in tx_policy_init()
293 	INIT_LIST_HEAD(&cache->free);  in tx_policy_init()
296 		list_add(&cache->cache[i].link, &cache->free);  in tx_policy_init()
304 	struct tx_policy_cache *cache = &priv->tx_policy_cache;  in tx_policy_get()  local
309 	spin_lock_bh(&cache->lock);  in tx_policy_get()
310 	if (WARN_ON_ONCE(list_empty(&cache->free))) {  in tx_policy_get()
311 		spin_unlock_bh(&cache->lock);  in tx_policy_get()
314 	idx = tx_policy_find(cache, &wanted);  in tx_policy_get()
324 		entry = list_entry(cache->free.prev,  in tx_policy_get()
327 		idx = entry - cache->cache;  in tx_policy_get()
331 	tx_policy_use(cache, &cache->cache[idx]);  in tx_policy_get()
332 	if (list_empty(&cache->free)) {  in tx_policy_get()
336 	spin_unlock_bh(&cache->lock);  in tx_policy_get()
343 	struct tx_policy_cache *cache = &priv->tx_policy_cache;  in tx_policy_put()  local
345 	spin_lock_bh(&cache->lock);  in tx_policy_put()
346 	locked = list_empty(&cache->free);  in tx_policy_put()
347 	usage = tx_policy_release(cache, &cache->cache[idx]);  in tx_policy_put()
352 	spin_unlock_bh(&cache->lock);  in tx_policy_put()
357 	struct tx_policy_cache *cache = &priv->tx_policy_cache;  in tx_policy_upload()  local
362 	spin_lock_bh(&cache->lock);  in tx_policy_upload()
366 		struct tx_policy *src = &cache->cache[i].policy;  in tx_policy_upload()
382 	spin_unlock_bh(&cache->lock);  in tx_policy_upload()