add libnl-tiny as a small replacement for libnl with only genl support included

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15507 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/libnl-tiny/src/include/netlink-local.h

@@ -0,0 +1,153 @@
+/*
+ * netlink-local.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) 2003-2008 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/socket.h>
+#include <inttypes.h>
+#include <assert.h>
+#include <limits.h>
+
+#include <arpa/inet.h>
+#include <netdb.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/pkt_sched.h>
+#include <linux/pkt_cls.h>
+#include <linux/gen_stats.h>
+
+#include <netlink/netlink.h>
+#include <netlink/handlers.h>
+#include <netlink/cache.h>
+#include <netlink/object-api.h>
+#include <netlink/cache-api.h>
+#include <netlink-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 {} while (0)
+
+#define BUG()                            \
+	do {                                 \
+		fprintf(stderr, "BUG: %s:%d\n",  \
+			__FILE__, __LINE__);         \
+		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, struct trans_tbl *, size_t);
+extern int __str2type(const char *, 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, struct trans_tbl *, size_t);
+extern int __str2flags(const char *, struct trans_tbl *, size_t);
+
+extern void dump_from_ops(struct nl_object *, struct nl_dump_params *);
+
+static inline struct nl_cache *dp_cache(struct nl_object *obj)
+{
+	if (obj->ce_cache == NULL)
+		return nl_cache_mngt_require(obj->ce_ops->oo_name);
+
+	return obj->ce_cache;
+}
+
+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]))
+#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
+
+#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; })
+
+extern int nl_cache_parse(struct nl_cache_ops *, struct sockaddr_nl *,
+			  struct nlmsghdr *, struct nl_parser_param *);
+
+
+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);
+}
+
+#endif