2 * netifd - network interface daemon
3 * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2
7 * as published by the Free Software Foundation
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 #ifndef __NETIFD_UTILS_H
15 #define __NETIFD_UTILS_H
17 #include <libubox/list.h>
18 #include <libubox/avl.h>
19 #include <libubox/avl-cmp.h>
20 #include <libubox/blobmsg.h>
21 #include <libubox/vlist.h>
24 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
26 extern int __build_bug_on_failed;
27 #define BUILD_BUG_ON(condition) \
29 ((void)sizeof(char[1 - 2*!!(condition)])); \
30 if (condition) __build_bug_on_failed = 1; \
34 static inline bool blobmsg_get_bool_default(struct blob_attr *attr, bool val)
39 return blobmsg_get_bool(attr);
42 #define __init __attribute__((constructor))
44 struct vlist_simple_tree {
45 struct list_head list;
50 struct vlist_simple_node {
51 struct list_head list;
55 #define vlist_simple_init(tree, node, member) \
56 __vlist_simple_init(tree, offsetof(node, member))
58 void __vlist_simple_init(struct vlist_simple_tree *tree, int offset);
59 void vlist_simple_delete(struct vlist_simple_tree *tree, struct vlist_simple_node *node);
60 void vlist_simple_flush(struct vlist_simple_tree *tree);
61 void vlist_simple_flush_all(struct vlist_simple_tree *tree);
62 void vlist_simple_replace(struct vlist_simple_tree *dest, struct vlist_simple_tree *old);
64 static inline void vlist_simple_update(struct vlist_simple_tree *tree)
69 static inline void vlist_simple_add(struct vlist_simple_tree *tree, struct vlist_simple_node *node)
71 node->version = tree->version;
72 list_add(&node->list, &tree->list);
75 #define vlist_simple_for_each_element(tree, element, node_member) \
76 list_for_each_entry(element, &(tree)->list, node_member.list)
78 #define vlist_simple_empty(tree) \
79 list_empty(&(tree)->list)
83 static inline int fls(int x)
89 if (!(x & 0xffff0000u)) {
93 if (!(x & 0xff000000u)) {
97 if (!(x & 0xf0000000u)) {
101 if (!(x & 0xc0000000u)) {
105 if (!(x & 0x80000000u)) {
113 unsigned int parse_netmask_string(const char *str, bool v6);
114 bool split_netmask(char *str, unsigned int *netmask, bool v6);
115 int parse_ip_and_netmask(int af, const char *str, void *addr, unsigned int *netmask);
117 char * format_macaddr(uint8_t *mac);