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
18 #include <libubox/list.h>
19 #include <libubox/avl.h>
20 #include <libubox/avl-cmp.h>
21 #include <libubox/blobmsg.h>
22 #include <libubox/vlist.h>
23 #include <libubox/utils.h>
25 static inline bool blobmsg_get_bool_default(struct blob_attr *attr, bool val)
30 return blobmsg_get_bool(attr);
33 #define __init __attribute__((constructor))
35 struct vlist_simple_tree {
36 struct list_head list;
41 struct vlist_simple_node {
42 struct list_head list;
46 #define vlist_for_each_element_safe(tree, element, node_member, ptr) \
47 avl_for_each_element_safe(&(tree)->avl, element, node_member.avl, ptr)
49 #define vlist_simple_init(tree, node, member) \
50 __vlist_simple_init(tree, offsetof(node, member))
52 void __vlist_simple_init(struct vlist_simple_tree *tree, int offset);
53 void vlist_simple_delete(struct vlist_simple_tree *tree, struct vlist_simple_node *node);
54 void vlist_simple_flush(struct vlist_simple_tree *tree);
55 void vlist_simple_flush_all(struct vlist_simple_tree *tree);
56 void vlist_simple_replace(struct vlist_simple_tree *dest, struct vlist_simple_tree *old);
58 static inline void vlist_simple_update(struct vlist_simple_tree *tree)
63 static inline void vlist_simple_add(struct vlist_simple_tree *tree, struct vlist_simple_node *node)
65 node->version = tree->version;
66 list_add_tail(&node->list, &tree->list);
69 #define vlist_simple_for_each_element(tree, element, node_member) \
70 list_for_each_entry(element, &(tree)->list, node_member.list)
72 #define vlist_simple_empty(tree) \
73 list_empty(&(tree)->list)
77 static inline int fls(int x)
83 if (!(x & 0xffff0000u)) {
87 if (!(x & 0xff000000u)) {
91 if (!(x & 0xf0000000u)) {
95 if (!(x & 0xc0000000u)) {
99 if (!(x & 0x80000000u)) {
107 unsigned int parse_netmask_string(const char *str, bool v6);
108 bool split_netmask(char *str, unsigned int *netmask, bool v6);
109 int parse_ip_and_netmask(int af, const char *str, void *addr, unsigned int *netmask);
111 char * format_macaddr(uint8_t *mac);
113 uint32_t crc32_file(FILE *fp);
116 #define s6_addr32 __u6_addr.__u6_addr32