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Diffstat (limited to 'include/netlink-private/netlink.h')
-rw-r--r-- | include/netlink-private/netlink.h | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/include/netlink-private/netlink.h b/include/netlink-private/netlink.h new file mode 100644 index 0000000..6ae6d17 --- /dev/null +++ b/include/netlink-private/netlink.h @@ -0,0 +1,257 @@ +/* + * 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/inetdevice.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> + +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; +}; + +#define NL_DEBUG 1 + +#define NL_DBG(LVL,FMT,ARG...) \ + do { \ + if (LVL <= nl_debug) \ + fprintf(stderr, "DBG<" #LVL ">: " FMT, ##ARG); \ + } while (0) + +#define BUG() \ + do { \ + NL_DBG(1, "BUG: %s:%d\n", \ + __FILE__, __LINE__); \ + assert(0); \ + } while (0) + +#define APPBUG(msg) \ + do { \ + NL_DBG(1, "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) +{ + return cb->cb_set[type](msg, cb->cb_args[type]); +} + +#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 |