73 static int wfx_tx_policy_find(struct wfx_tx_policy_cache *cache, struct wfx_tx_policy *wanted)  in wfx_tx_policy_find()  argument
77 	list_for_each_entry(it, &cache->used, link)  in wfx_tx_policy_find()
79 			return it - cache->cache;  in wfx_tx_policy_find()
80 	list_for_each_entry(it, &cache->free, link)  in wfx_tx_policy_find()
82 			return it - cache->cache;  in wfx_tx_policy_find()
86 static void wfx_tx_policy_use(struct wfx_tx_policy_cache *cache, struct wfx_tx_policy *entry)  in wfx_tx_policy_use()  argument
89 	list_move(&entry->link, &cache->used);  in wfx_tx_policy_use()
92 static int wfx_tx_policy_release(struct wfx_tx_policy_cache *cache, struct wfx_tx_policy *entry)  in wfx_tx_policy_release()  argument
97 		list_move(&entry->link, &cache->free);  in wfx_tx_policy_release()
104 	struct wfx_tx_policy_cache *cache = &wvif->tx_policy_cache;  in wfx_tx_policy_get()  local
110 	spin_lock_bh(&cache->lock);  in wfx_tx_policy_get()
111 	if (list_empty(&cache->free)) {  in wfx_tx_policy_get()
113 		spin_unlock_bh(&cache->lock);  in wfx_tx_policy_get()
116 	idx = wfx_tx_policy_find(cache, &wanted);  in wfx_tx_policy_get()
122 		entry = list_entry(cache->free.prev, struct wfx_tx_policy, link);  in wfx_tx_policy_get()
126 		idx = entry - cache->cache;  in wfx_tx_policy_get()
128 	wfx_tx_policy_use(cache, &cache->cache[idx]);  in wfx_tx_policy_get()
129 	if (list_empty(&cache->free))  in wfx_tx_policy_get()
131 	spin_unlock_bh(&cache->lock);  in wfx_tx_policy_get()
138 	struct wfx_tx_policy_cache *cache = &wvif->tx_policy_cache;  in wfx_tx_policy_put()  local
142 	spin_lock_bh(&cache->lock);  in wfx_tx_policy_put()
143 	locked = list_empty(&cache->free);  in wfx_tx_policy_put()
144 	usage = wfx_tx_policy_release(cache, &cache->cache[idx]);  in wfx_tx_policy_put()
147 	spin_unlock_bh(&cache->lock);  in wfx_tx_policy_put()
152 	struct wfx_tx_policy *policies = wvif->tx_policy_cache.cache;  in wfx_tx_policy_upload()
158 		for (i = 0; i < ARRAY_SIZE(wvif->tx_policy_cache.cache); ++i) {  in wfx_tx_policy_upload()
163 		if (i < ARRAY_SIZE(wvif->tx_policy_cache.cache)) {  in wfx_tx_policy_upload()
171 	} while (i < ARRAY_SIZE(wvif->tx_policy_cache.cache));  in wfx_tx_policy_upload()
185 	struct wfx_tx_policy_cache *cache = &wvif->tx_policy_cache;  in wfx_tx_policy_init()  local
188 	memset(cache, 0, sizeof(*cache));  in wfx_tx_policy_init()
190 	spin_lock_init(&cache->lock);  in wfx_tx_policy_init()
191 	INIT_LIST_HEAD(&cache->used);  in wfx_tx_policy_init()
192 	INIT_LIST_HEAD(&cache->free);  in wfx_tx_policy_init()
194 	for (i = 0; i < ARRAY_SIZE(cache->cache); ++i)  in wfx_tx_policy_init()
195 		list_add(&cache->cache[i].link, &cache->free);  in wfx_tx_policy_init()