62 	struct fw_head *head = rcu_dereference_bh(tp->root);  in fw_classify()  local
67 	if (head != NULL) {  in fw_classify()
68 		id &= head->mask;  in fw_classify()
70 		for (f = rcu_dereference_bh(head->ht[fw_hash(id)]); f;  in fw_classify()
100 	struct fw_head *head = rtnl_dereference(tp->root);  in fw_get()  local
103 	if (head == NULL)  in fw_get()
106 	f = rtnl_dereference(head->ht[fw_hash(handle)]);  in fw_get()
122 static void fw_delete_filter(struct rcu_head *head)  in fw_delete_filter()  argument
124 	struct fw_filter *f = container_of(head, struct fw_filter, rcu);  in fw_delete_filter()
132 	struct fw_head *head = rtnl_dereference(tp->root);  in fw_destroy()  local
136 	if (head == NULL)  in fw_destroy()
141 			if (rcu_access_pointer(head->ht[h]))  in fw_destroy()
146 		while ((f = rtnl_dereference(head->ht[h])) != NULL) {  in fw_destroy()
147 			RCU_INIT_POINTER(head->ht[h],  in fw_destroy()
154 	kfree_rcu(head, rcu);  in fw_destroy()
160 	struct fw_head *head = rtnl_dereference(tp->root);  in fw_delete()  local
165 	if (head == NULL || f == NULL)  in fw_delete()
168 	fp = &head->ht[fw_hash(f->id)];  in fw_delete()
193 	struct fw_head *head = rtnl_dereference(tp->root);  in fw_change_attrs()  local
223 		if (mask != head->mask)  in fw_change_attrs()
225 	} else if (head->mask != 0xFFFFFFFF)  in fw_change_attrs()
242 	struct fw_head *head = rtnl_dereference(tp->root);  in fw_change()  local
281 		fp = &head->ht[fw_hash(fnew->id)];  in fw_change()
299 	if (!head) {  in fw_change()
304 		head = kzalloc(sizeof(*head), GFP_KERNEL);  in fw_change()
305 		if (!head)  in fw_change()
307 		head->mask = mask;  in fw_change()
309 		rcu_assign_pointer(tp->root, head);  in fw_change()
324 	RCU_INIT_POINTER(f->next, head->ht[fw_hash(handle)]);  in fw_change()
325 	rcu_assign_pointer(head->ht[fw_hash(handle)], f);  in fw_change()
337 	struct fw_head *head = rtnl_dereference(tp->root);  in fw_walk()  local
340 	if (head == NULL)  in fw_walk()
349 		for (f = rtnl_dereference(head->ht[h]); f;  in fw_walk()
367 	struct fw_head *head = rtnl_dereference(tp->root);  in fw_dump()  local
394 	if (head->mask != 0xFFFFFFFF &&  in fw_dump()
395 	    nla_put_u32(skb, TCA_FW_MASK, head->mask))  in fw_dump()