37 static unsigned int clip_addr_hash(struct clip_tbl *ctbl, const u32 *addr,  in clip_addr_hash()  argument
40 	return v6 ? ipv6_clip_hash(ctbl, addr) :  in clip_addr_hash()
41 			ipv4_clip_hash(ctbl, addr);  in clip_addr_hash()
77 	struct clip_tbl *ctbl = adap->clipt;  in cxgb4_clip_get()  local
83 	if (!ctbl)  in cxgb4_clip_get()
86 	hash = clip_addr_hash(ctbl, addr, v6);  in cxgb4_clip_get()
88 	read_lock_bh(&ctbl->lock);  in cxgb4_clip_get()
89 	list_for_each_entry(cte, &ctbl->hash_list[hash], list) {  in cxgb4_clip_get()
98 			read_unlock_bh(&ctbl->lock);  in cxgb4_clip_get()
103 	read_unlock_bh(&ctbl->lock);  in cxgb4_clip_get()
105 	write_lock_bh(&ctbl->lock);  in cxgb4_clip_get()
106 	if (!list_empty(&ctbl->ce_free_head)) {  in cxgb4_clip_get()
107 		ce = list_first_entry(&ctbl->ce_free_head,  in cxgb4_clip_get()
112 		atomic_dec(&ctbl->nfree);  in cxgb4_clip_get()
113 		list_add_tail(&ce->list, &ctbl->hash_list[hash]);  in cxgb4_clip_get()
120 				write_unlock_bh(&ctbl->lock);  in cxgb4_clip_get()
134 		write_unlock_bh(&ctbl->lock);  in cxgb4_clip_get()
140 	write_unlock_bh(&ctbl->lock);  in cxgb4_clip_get()
149 	struct clip_tbl *ctbl = adap->clipt;  in cxgb4_clip_release()  local
155 	if (!ctbl)  in cxgb4_clip_release()
158 	hash = clip_addr_hash(ctbl, addr, v6);  in cxgb4_clip_release()
160 	read_lock_bh(&ctbl->lock);  in cxgb4_clip_release()
161 	list_for_each_entry(cte, &ctbl->hash_list[hash], list) {  in cxgb4_clip_release()
170 			read_unlock_bh(&ctbl->lock);  in cxgb4_clip_release()
174 	read_unlock_bh(&ctbl->lock);  in cxgb4_clip_release()
178 	write_lock_bh(&ctbl->lock);  in cxgb4_clip_release()
182 		list_add_tail(&ce->list, &ctbl->ce_free_head);  in cxgb4_clip_release()
183 		atomic_inc(&ctbl->nfree);  in cxgb4_clip_release()
188 	write_unlock_bh(&ctbl->lock);  in cxgb4_clip_release()
253 	struct clip_tbl *ctbl = adapter->clipt;  in clip_tbl_show()  local
258 	read_lock_bh(&ctbl->lock);  in clip_tbl_show()
261 	for (i = 0 ; i < ctbl->clipt_size;  ++i) {  in clip_tbl_show()
262 		list_for_each_entry(ce, &ctbl->hash_list[i], list) {  in clip_tbl_show()
269 	seq_printf(seq, "Free clip entries : %d\n", atomic_read(&ctbl->nfree));  in clip_tbl_show()
271 	read_unlock_bh(&ctbl->lock);  in clip_tbl_show()
280 	struct clip_tbl *ctbl;  in t4_init_clip_tbl()  local
290 	ctbl = kvzalloc(struct_size(ctbl, hash_list, clipt_size), GFP_KERNEL);  in t4_init_clip_tbl()
291 	if (!ctbl)  in t4_init_clip_tbl()
294 	ctbl->clipt_start = clipt_start;  in t4_init_clip_tbl()
295 	ctbl->clipt_size = clipt_size;  in t4_init_clip_tbl()
296 	INIT_LIST_HEAD(&ctbl->ce_free_head);  in t4_init_clip_tbl()
298 	atomic_set(&ctbl->nfree, clipt_size);  in t4_init_clip_tbl()
299 	rwlock_init(&ctbl->lock);  in t4_init_clip_tbl()
301 	for (i = 0; i < ctbl->clipt_size; ++i)  in t4_init_clip_tbl()
302 		INIT_LIST_HEAD(&ctbl->hash_list[i]);  in t4_init_clip_tbl()
306 		kvfree(ctbl);  in t4_init_clip_tbl()
309 	ctbl->cl_list = (void *)cl_list;  in t4_init_clip_tbl()
313 		list_add_tail(&cl_list[i].list, &ctbl->ce_free_head);  in t4_init_clip_tbl()
316 	return ctbl;  in t4_init_clip_tbl()
321 	struct clip_tbl *ctbl = adap->clipt;  in t4_cleanup_clip_tbl()  local
323 	if (ctbl) {  in t4_cleanup_clip_tbl()
324 		kvfree(ctbl->cl_list);  in t4_cleanup_clip_tbl()
325 		kvfree(ctbl);  in t4_cleanup_clip_tbl()