libnl  1.1.4
utils.h
1 /*
2  * netlink/utils.h Utility Functions
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation version 2.1
7  * of the License.
8  *
9  * Copyright (c) 2003-2006 Thomas Graf <tgraf@suug.ch>
10  */
11 
12 #ifndef NETLINK_UTILS_H_
13 #define NETLINK_UTILS_H_
14 
15 #include <netlink/netlink.h>
16 #include <netlink/list.h>
17 
18 #ifdef __cplusplus
19 extern "C" {
20 #endif
21 
22 /**
23  * @name Probability Constants
24  * @{
25  */
26 
27 /**
28  * Lower probability limit
29  * @ingroup utils
30  */
31 #define NL_PROB_MIN 0x0
32 
33 /**
34  * Upper probability limit
35  * @ingroup utils
36  */
37 #define NL_PROB_MAX 0xffffffff
38 
39 /** @} */
40 
41 extern char * nl_geterror(void);
42 extern int nl_get_errno(void);
43 extern void nl_perror(const char *);
44 
45 /* unit pretty-printing */
46 extern double nl_cancel_down_bytes(unsigned long long, char **);
47 extern double nl_cancel_down_bits(unsigned long long, char **);
48 extern double nl_cancel_down_us(uint32_t, char **);
49 
50 /* generic unit translations */
51 extern long nl_size2int(const char *);
52 extern long nl_prob2int(const char *);
53 
54 /* time translations */
55 extern int nl_get_hz(void);
56 extern uint32_t nl_us2ticks(uint32_t);
57 extern uint32_t nl_ticks2us(uint32_t);
58 extern char * nl_msec2str(uint64_t, char *, size_t);
59 
60 /* link layer protocol translations */
61 extern char * nl_llproto2str(int, char *, size_t);
62 extern int nl_str2llproto(const char *);
63 
64 /* ethernet protocol translations */
65 extern char * nl_ether_proto2str(int, char *, size_t);
66 extern int nl_str2ether_proto(const char *);
67 
68 /* IP protocol translations */
69 extern char * nl_ip_proto2str(int, char *, size_t);
70 extern int nl_str2ip_proto(const char *);
71 
72 /* Dumping helpers */
73 extern void nl_new_line(struct nl_dump_params *, int);
74 extern void nl_dump(struct nl_dump_params *, const char *, ...);
75 extern void nl_dump_line(struct nl_dump_params *, int, const char *, ...);
76 
77 #ifdef __cplusplus
78 }
79 #endif
80 
81 #endif