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/*
* netlink/utils.h Utility Functions
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation version 2.1
* of the License.
*
* Copyright (c) 2003-2012 Thomas Graf <tgraf@suug.ch>
*/
#ifndef NETLINK_UTILS_H_
#define NETLINK_UTILS_H_
#include <netlink/netlink.h>
#include <netlink/list.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @name Probability Constants
* @{
*/
/**
* Lower probability limit
* @ingroup utils
*/
#define NL_PROB_MIN 0x0
/**
* Upper probability limit nl_dump_type
* @ingroup utils
*/
#define NL_PROB_MAX 0xffffffff
/** @} */
enum {
NL_BYTE_RATE,
NL_BIT_RATE,
};
/* unit pretty-printing */
extern double nl_cancel_down_bytes(unsigned long long, char **);
extern double nl_cancel_down_bits(unsigned long long, char **);
extern int nl_rate2str(unsigned long long, int, char *, size_t);
extern double nl_cancel_down_us(uint32_t, char **);
/* generic unit translations */
extern long nl_size2int(const char *);
extern char * nl_size2str(const size_t, char *, const size_t);
extern long nl_prob2int(const char *);
/* time translations */
extern int nl_get_user_hz(void);
extern int nl_get_psched_hz(void);
extern uint32_t nl_us2ticks(uint32_t);
extern uint32_t nl_ticks2us(uint32_t);
extern int nl_str2msec(const char *, uint64_t *);
extern char * nl_msec2str(uint64_t, char *, size_t);
/* link layer protocol translations */
extern char * nl_llproto2str(int, char *, size_t);
extern int nl_str2llproto(const char *);
/* ethernet protocol translations */
extern char * nl_ether_proto2str(int, char *, size_t);
extern int nl_str2ether_proto(const char *);
/* IP protocol translations */
extern char * nl_ip_proto2str(int, char *, size_t);
extern int nl_str2ip_proto(const char *);
/* Dumping helpers */
extern void nl_new_line(struct nl_dump_params *);
extern void nl_dump(struct nl_dump_params *, const char *, ...);
extern void nl_dump_line(struct nl_dump_params *, const char *, ...);
enum {
NL_CAPABILITY_NONE,
/**
* rtnl_route_build_msg() no longer guesses the route scope
* if explicitly set to RT_SCOPE_NOWHERE.
* @ingroup utils
*/
NL_CAPABILITY_ROUTE_BUILD_MSG_SET_SCOPE = 1,
#define NL_CAPABILITY_ROUTE_BUILD_MSG_SET_SCOPE NL_CAPABILITY_ROUTE_BUILD_MSG_SET_SCOPE
/**
* rtnl_link_veth_get_peer() now returns a reference that is owned by the
* caller and must be released by the caller with rtnl_link_put().
*/
NL_CAPABILITY_ROUTE_LINK_VETH_GET_PEER_OWN_REFERENCE = 2,
#define NL_CAPABILITY_ROUTE_LINK_VETH_GET_PEER_OWN_REFERENCE NL_CAPABILITY_ROUTE_LINK_VETH_GET_PEER_OWN_REFERENCE
/**
* rtnl_u32_add_action() and rtnl_basic_add_action() now grab a reference to act
* caller are free to release its own
*/
NL_CAPABILITY_ROUTE_LINK_CLS_ADD_ACT_OWN_REFERENCE = 3,
#define NL_CAPABILITY_ROUTE_LINK_CLS_ADD_ACT_OWN_REFERENCE NL_CAPABILITY_ROUTE_LINK_CLS_ADD_ACT_OWN_REFERENCE
__NL_CAPABILITY_MAX
#define NL_CAPABILITY_MAX (__NL_CAPABILITY_MAX - 1)
};
int nl_has_capability (int capability);
#ifdef __cplusplus
}
#endif
#endif
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