23  * 1. For now we assume that route tags < 256.
37 	struct route4_bucket __rcu	*table[256 + 1];
131 	struct route4_bucket *b;  in route4_classify()  local
164 	b = rcu_dereference_bh(head->table[h]);  in route4_classify()
165 	if (b) {  in route4_classify()
166 		for (f = rcu_dereference_bh(b->ht[route4_hash_from(id)]);  in route4_classify()
172 		for (f = rcu_dereference_bh(b->ht[route4_hash_iif(iif)]);  in route4_classify()
178 		for (f = rcu_dereference_bh(b->ht[route4_hash_wild()]);  in route4_classify()
183 	if (h < 256) {  in route4_classify()
184 		h = 256;  in route4_classify()
200 		h += 256;  in to_hash()
211 			return 256;  in from_hash()
220 	struct route4_bucket *b;  in route4_get()  local
225 	if (h1 > 256)  in route4_get()
232 	b = rtnl_dereference(head->table[h1]);  in route4_get()
233 	if (b) {  in route4_get()
234 		for (f = rtnl_dereference(b->ht[h2]);  in route4_get()
286 	for (h1 = 0; h1 <= 256; h1++) {  in route4_destroy()
287 		struct route4_bucket *b;  in route4_destroy()  local
289 		b = rtnl_dereference(head->table[h1]);  in route4_destroy()
290 		if (b) {  in route4_destroy()
294 				while ((f = rtnl_dereference(b->ht[h2])) != NULL) {  in route4_destroy()
298 					RCU_INIT_POINTER(b->ht[h2], next);  in route4_destroy()
307 			kfree_rcu(b, rcu);  in route4_destroy()
320 	struct route4_bucket *b;  in route4_delete()  local
328 	b = f->bkt;  in route4_delete()
330 	fp = &b->ht[from_hash(h >> 16)];  in route4_delete()
352 				rt = rtnl_dereference(b->ht[i]);  in route4_delete()
359 			kfree_rcu(b, rcu);  in route4_delete()
366 	for (h1 = 0; h1 <= 256; h1++) {  in route4_delete()
392 	struct route4_bucket *b;  in route4_set_parms()  local
435 	b = rtnl_dereference(head->table[h1]);  in route4_set_parms()
436 	if (!b) {  in route4_set_parms()
437 		b = kzalloc(sizeof(struct route4_bucket), GFP_KERNEL);  in route4_set_parms()
438 		if (b == NULL)  in route4_set_parms()
441 		rcu_assign_pointer(head->table[h1], b);  in route4_set_parms()
445 		for (fp = rtnl_dereference(b->ht[h2]);  in route4_set_parms()
461 	f->bkt = b;  in route4_set_parms()
480 	struct route4_bucket *b;  in route4_change()  local
543 		b = rtnl_dereference(head->table[th]);  in route4_change()
544 		if (b) {  in route4_change()
545 			fp = &b->ht[h];  in route4_change()
581 	for (h = 0; h <= 256; h++) {  in route4_walk()
582 		struct route4_bucket *b = rtnl_dereference(head->table[h]);  in route4_walk()  local
584 		if (b) {  in route4_walk()
588 				for (f = rtnl_dereference(b->ht[h1]);  in route4_walk()