| /* |
| * netlink-private/netlink.h Local Netlink Interface |
| * |
| * 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) 2003-2013 Thomas Graf <tgraf@suug.ch> |
| */ |
| |
| #ifndef NETLINK_LOCAL_H_ |
| #define NETLINK_LOCAL_H_ |
| |
| #include <stdio.h> |
| #include <errno.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <unistd.h> |
| #include <fcntl.h> |
| #include <math.h> |
| #include <time.h> |
| #include <stdarg.h> |
| #include <ctype.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <sys/socket.h> |
| #include <inttypes.h> |
| #include <assert.h> |
| #include <limits.h> |
| #include <search.h> |
| |
| #include <arpa/inet.h> |
| #include <netdb.h> |
| |
| #include <defs.h> |
| |
| #ifndef SOL_NETLINK |
| #define SOL_NETLINK 270 |
| #endif |
| |
| #include <linux/types.h> |
| |
| /* local header copies */ |
| #include <linux/if.h> |
| #include <linux/if_arp.h> |
| #include <linux/if_ether.h> |
| #include <linux/ethtool.h> |
| #include <linux/pkt_sched.h> |
| #include <linux/pkt_cls.h> |
| #include <linux/gen_stats.h> |
| #include <linux/ip_mp_alg.h> |
| #include <linux/atm.h> |
| #include <linux/ip.h> |
| #include <linux/ipv6.h> |
| #include <linux/snmp.h> |
| |
| #ifndef DISABLE_PTHREADS |
| #include <pthread.h> |
| #endif |
| |
| #include <netlink/netlink.h> |
| #include <netlink/handlers.h> |
| #include <netlink/cache.h> |
| #include <netlink/route/tc.h> |
| #include <netlink-private/object-api.h> |
| #include <netlink-private/cache-api.h> |
| #include <netlink-private/types.h> |
| |
| #define NSEC_PER_SEC 1000000000L |
| |
| struct trans_tbl { |
| int i; |
| const char *a; |
| }; |
| |
| #define __ADD(id, name) { .i = id, .a = #name }, |
| |
| struct trans_list { |
| int i; |
| char *a; |
| struct nl_list_head list; |
| }; |
| |
| #ifdef NL_DEBUG |
| #define NL_DBG(LVL,FMT,ARG...) \ |
| do { \ |
| if (LVL <= nl_debug) \ |
| fprintf(stderr, \ |
| "DBG<" #LVL ">%20s:%-4u %s: " FMT, \ |
| __FILE__, __LINE__, \ |
| __PRETTY_FUNCTION__, ##ARG); \ |
| } while (0) |
| #else /* NL_DEBUG */ |
| #define NL_DBG(LVL,FMT,ARG...) do { } while(0) |
| #endif /* NL_DEBUG */ |
| |
| #define BUG() \ |
| do { \ |
| fprintf(stderr, "BUG at file position %s:%d:%s\n", \ |
| __FILE__, __LINE__, __PRETTY_FUNCTION__); \ |
| assert(0); \ |
| } while (0) |
| |
| #define BUG_ON(condition) \ |
| do { \ |
| if (condition) \ |
| BUG(); \ |
| } while (0) |
| |
| |
| #define APPBUG(msg) \ |
| do { \ |
| fprintf(stderr, "APPLICATION BUG: %s:%d:%s: %s\n", \ |
| __FILE__, __LINE__, __PRETTY_FUNCTION__, msg); \ |
| assert(0); \ |
| } while(0) |
| |
| extern int __nl_read_num_str_file(const char *path, |
| int (*cb)(long, const char *)); |
| |
| extern int __trans_list_add(int, const char *, struct nl_list_head *); |
| extern void __trans_list_clear(struct nl_list_head *); |
| |
| extern char *__type2str(int, char *, size_t, const struct trans_tbl *, size_t); |
| extern int __str2type(const char *, const struct trans_tbl *, size_t); |
| |
| extern char *__list_type2str(int, char *, size_t, struct nl_list_head *); |
| extern int __list_str2type(const char *, struct nl_list_head *); |
| |
| extern char *__flags2str(int, char *, size_t, const struct trans_tbl *, size_t); |
| extern int __str2flags(const char *, const struct trans_tbl *, size_t); |
| |
| extern void dump_from_ops(struct nl_object *, struct nl_dump_params *); |
| |
| static inline int nl_cb_call(struct nl_cb *cb, int type, struct nl_msg *msg) |
| { |
| int ret; |
| |
| cb->cb_active = type; |
| ret = cb->cb_set[type](msg, cb->cb_args[type]); |
| cb->cb_active = __NL_CB_TYPE_MAX; |
| return ret; |
| } |
| |
| #define ARRAY_SIZE(X) (sizeof(X) / sizeof((X)[0])) |
| |
| /* This is also defined in stddef.h */ |
| #ifndef offsetof |
| #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) |
| #endif |
| |
| #define __init __attribute__ ((constructor)) |
| #define __exit __attribute__ ((destructor)) |
| #undef __deprecated |
| #define __deprecated __attribute__ ((deprecated)) |
| |
| #define min(x,y) ({ \ |
| typeof(x) _x = (x); \ |
| typeof(y) _y = (y); \ |
| (void) (&_x == &_y); \ |
| _x < _y ? _x : _y; }) |
| |
| #define max(x,y) ({ \ |
| typeof(x) _x = (x); \ |
| typeof(y) _y = (y); \ |
| (void) (&_x == &_y); \ |
| _x > _y ? _x : _y; }) |
| |
| #define min_t(type,x,y) \ |
| ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; }) |
| #define max_t(type,x,y) \ |
| ({ type __x = (x); type __y = (y); __x > __y ? __x: __y; }) |
| |
| extern int nl_cache_parse(struct nl_cache_ops *, struct sockaddr_nl *, |
| struct nlmsghdr *, struct nl_parser_param *); |
| |
| |
| static inline void rtnl_copy_ratespec(struct rtnl_ratespec *dst, |
| struct tc_ratespec *src) |
| { |
| dst->rs_cell_log = src->cell_log; |
| dst->rs_overhead = src->overhead; |
| dst->rs_cell_align = src->cell_align; |
| dst->rs_mpu = src->mpu; |
| dst->rs_rate = src->rate; |
| } |
| |
| static inline void rtnl_rcopy_ratespec(struct tc_ratespec *dst, |
| struct rtnl_ratespec *src) |
| { |
| dst->cell_log = src->rs_cell_log; |
| dst->overhead = src->rs_overhead; |
| dst->cell_align = src->rs_cell_align; |
| dst->mpu = src->rs_mpu; |
| dst->rate = src->rs_rate; |
| } |
| |
| static inline char *nl_cache_name(struct nl_cache *cache) |
| { |
| return cache->c_ops ? cache->c_ops->co_name : "unknown"; |
| } |
| |
| #define GENL_FAMILY(id, name) \ |
| { \ |
| { id, NL_ACT_UNSPEC, name }, \ |
| END_OF_MSGTYPES_LIST, \ |
| } |
| |
| static inline int wait_for_ack(struct nl_sock *sk) |
| { |
| if (sk->s_flags & NL_NO_AUTO_ACK) |
| return 0; |
| else |
| return nl_wait_for_ack(sk); |
| } |
| |
| static inline int build_sysconf_path(char **strp, const char *filename) |
| { |
| char *sysconfdir; |
| |
| sysconfdir = getenv("NLSYSCONFDIR"); |
| |
| if (!sysconfdir) |
| sysconfdir = SYSCONFDIR; |
| |
| return asprintf(strp, "%s/%s", sysconfdir, filename); |
| } |
| |
| #ifndef DISABLE_PTHREADS |
| #define NL_LOCK(NAME) pthread_mutex_t (NAME) = PTHREAD_MUTEX_INITIALIZER |
| #define NL_RW_LOCK(NAME) pthread_rwlock_t (NAME) = PTHREAD_RWLOCK_INITIALIZER |
| |
| static inline void nl_lock(pthread_mutex_t *lock) |
| { |
| pthread_mutex_lock(lock); |
| } |
| |
| static inline void nl_unlock(pthread_mutex_t *lock) |
| { |
| pthread_mutex_unlock(lock); |
| } |
| |
| static inline void nl_read_lock(pthread_rwlock_t *lock) |
| { |
| pthread_rwlock_rdlock(lock); |
| } |
| |
| static inline void nl_read_unlock(pthread_rwlock_t *lock) |
| { |
| pthread_rwlock_unlock(lock); |
| } |
| |
| static inline void nl_write_lock(pthread_rwlock_t *lock) |
| { |
| pthread_rwlock_wrlock(lock); |
| } |
| |
| static inline void nl_write_unlock(pthread_rwlock_t *lock) |
| { |
| pthread_rwlock_unlock(lock); |
| } |
| |
| #else |
| #define NL_LOCK(NAME) int __unused_lock_ ##NAME __attribute__((unused)) |
| #define NL_RW_LOCK(NAME) int __unused_lock_ ##NAME __attribute__((unused)) |
| |
| #define nl_lock(LOCK) do { } while(0) |
| #define nl_unlock(LOCK) do { } while(0) |
| #define nl_read_lock(LOCK) do { } while(0) |
| #define nl_read_unlock(LOCK) do { } while(0) |
| #define nl_write_lock(LOCK) do { } while(0) |
| #define nl_write_unlock(LOCK) do { } while(0) |
| #endif |
| |
| #endif |