Move libnl headers to their own project

Change-Id: I322663ef963df79ef7016f3e8f9480358ce9b0c3

CleanSpec.mk

+# Copyright (C) 2007 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# If you don't need to do a full clean build but would like to touch
+# a file or delete some intermediate files, add a clean step to the end
+# of the list.  These steps will only be run once, if they haven't been
+# run before.
+#
+# E.g.:
+#     $(call add-clean-step, touch -c external/sqlite/sqlite3.h)
+#     $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/STATIC_LIBRARIES/libz_intermediates)
+#
+# Always use "touch -c" and "rm -f" or "rm -rf" to gracefully deal with
+# files that are missing or have been moved.
+#
+# Use $(PRODUCT_OUT) to get to the "out/target/product/blah/" directory.
+# Use $(OUT_DIR) to refer to the "out" directory.
+#
+# If you need to re-do something that's already mentioned, just copy
+# the command and add it to the bottom of the list.  E.g., if a change
+# that you made last week required touching a file and a change you
+# made today requires touching the same file, just copy the old
+# touch step and add it to the end of the list.
+#
+# ************************************************
+# NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
+# ************************************************
+
+# For example:
+#$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/APPS/AndroidTests_intermediates)
+#$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/core_intermediates)
+#$(call add-clean-step, find $(OUT_DIR) -type f -name "IGTalkSession*" -print0 | xargs -0 rm -f)
+#$(call add-clean-step, rm -rf $(PRODUCT_OUT)/data/*)
+
+# ************************************************
+# NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
+# ************************************************

netlink-generic.h

+/*
+ * netlink-generic.h	Local Generic 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) 2003-2006 Thomas Graf <tgraf@suug.ch>
+ */
+
+#ifndef NETLINK_GENL_PRIV_H_
+#define NETLINK_GENL_PRIV_H_
+
+#include <netlink-local.h>
+#include <netlink/netlink.h>
+
+#define GENL_HDRSIZE(hdrlen) (GENL_HDRLEN + (hdrlen))
+
+#endif

netlink-local.h

+/*
+ * 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/stat.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 <linux/ip_mp_alg.h>
+
+#include <netlink/netlink.h>
+#include <netlink/handlers.h>
+#include <netlink/cache.h>
+#include <netlink/route/tc.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 {	\
+		if (LVL <= nl_debug) \
+			fprintf(stderr, "DBG<" #LVL ">: " FMT, ##ARG); \
+	} 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]))
+#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_feature = src->feature;
+	dst->rs_addend = src->addend;
+	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->feature = src->rs_feature;
+	dst->addend = src->rs_addend;
+	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);
+}
+
+#endif

netlink-types.h

+/*
+ * netlink-types.h	Netlink Types (Private)
+ *
+ *	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_TYPES_H_
+#define NETLINK_LOCAL_TYPES_H_
+
+#include <netlink/list.h>
+#include <netlink/route/link.h>
+#include <netlink/route/qdisc.h>
+#include <netlink/route/rtnl.h>
+#include <netlink/route/route.h>
+#include <netlink/object-api.h>
+#include <linux/socket.h>
+#include <linux/pkt_sched.h>
+
+#define NL_SOCK_BUFSIZE_SET	(1<<0)
+#define NL_SOCK_PASSCRED	(1<<1)
+#define NL_OWN_PORT		(1<<2)
+#define NL_MSG_PEEK		(1<<3)
+#define NL_NO_AUTO_ACK		(1<<4)
+
+#define NL_MSG_CRED_PRESENT 1
+
+struct nl_cache_ops;
+struct nl_sock;
+struct nl_object;
+
+struct nl_cb
+{
+	nl_recvmsg_msg_cb_t	cb_set[NL_CB_TYPE_MAX+1];
+	void *			cb_args[NL_CB_TYPE_MAX+1];
+
+	nl_recvmsg_err_cb_t	cb_err;
+	void *			cb_err_arg;
+
+	/** May be used to replace nl_recvmsgs with your own implementation
+	 * in all internal calls to nl_recvmsgs. */
+	int			(*cb_recvmsgs_ow)(struct nl_sock *,
+						  struct nl_cb *);
+
+	/** Overwrite internal calls to nl_recv, must return the number of
+	 * octets read and allocate a buffer for the received data. */
+	int			(*cb_recv_ow)(struct nl_sock *,
+					      struct sockaddr_nl *,
+					      unsigned char **,
+					      struct ucred **);
+
+	/** Overwrites internal calls to nl_send, must send the netlink
+	 * message. */
+	int			(*cb_send_ow)(struct nl_sock *,
+					      struct nl_msg *);
+
+	int			cb_refcnt;
+};
+
+struct nl_sock
+{
+	struct sockaddr_nl	s_local;
+	struct sockaddr_nl	s_peer;
+	int			s_fd;
+	int			s_proto;
+	unsigned int		s_seq_next;
+	unsigned int		s_seq_expect;
+	int			s_flags;
+	struct nl_cb *		s_cb;
+};
+
+struct nl_cache
+{
+	struct nl_list_head	c_items;
+	int			c_nitems;
+	int                     c_iarg1;
+	int                     c_iarg2;
+	struct nl_cache_ops *   c_ops;
+};
+
+struct nl_cache_assoc
+{
+	struct nl_cache *	ca_cache;
+	change_func_t		ca_change;
+	void *			ca_change_data;
+};
+
+struct nl_cache_mngr
+{
+	int			cm_protocol;
+	int			cm_flags;
+	int			cm_nassocs;
+	struct nl_sock *	cm_handle;
+	struct nl_cache_assoc *	cm_assocs;
+};
+
+struct nl_parser_param;
+
+#define LOOSE_COMPARISON	1
+
+#define NL_OBJ_MARK		1
+
+struct nl_object
+{
+	NLHDR_COMMON
+};
+
+struct nl_data
+{
+	size_t			d_size;
+	void *			d_data;
+};
+
+struct nl_addr
+{
+	int			a_family;
+	unsigned int		a_maxsize;
+	unsigned int		a_len;
+	int			a_prefixlen;
+	int			a_refcnt;
+	char			a_addr[0];
+};
+
+struct nl_msg
+{
+	int			nm_protocol;
+	int			nm_flags;
+	struct sockaddr_nl	nm_src;
+	struct sockaddr_nl	nm_dst;
+	struct ucred		nm_creds;
+	struct nlmsghdr *	nm_nlh;
+	size_t			nm_size;
+	int			nm_refcnt;
+};
+
+struct rtnl_link_map
+{
+	uint64_t lm_mem_start;
+	uint64_t lm_mem_end;
+	uint64_t lm_base_addr;
+	uint16_t lm_irq;
+	uint8_t  lm_dma;
+	uint8_t  lm_port;
+};
+
+#define IFQDISCSIZ	32
+
+struct rtnl_link
+{
+	NLHDR_COMMON
+
+	char		l_name[IFNAMSIZ];
+
+	uint32_t	l_family;
+	uint32_t	l_arptype;
+	uint32_t	l_index;
+	uint32_t	l_flags;
+	uint32_t	l_change;
+	uint32_t 	l_mtu;
+	uint32_t	l_link;
+	uint32_t	l_txqlen;
+	uint32_t	l_weight;
+	uint32_t	l_master;
+	struct nl_addr *l_addr;
+	struct nl_addr *l_bcast;
+	char		l_qdisc[IFQDISCSIZ];
+	struct rtnl_link_map l_map;
+	uint64_t	l_stats[RTNL_LINK_STATS_MAX+1];
+	uint32_t	l_flag_mask;
+	uint8_t		l_operstate;
+	uint8_t		l_linkmode;
+	/* 2 byte hole */
+	struct rtnl_link_info_ops *l_info_ops;
+	void *		l_info;
+};
+
+struct rtnl_ncacheinfo
+{
+	uint32_t nci_confirmed;	/**< Time since neighbour validty was last confirmed */
+	uint32_t nci_used;	/**< Time since neighbour entry was last ued */
+	uint32_t nci_updated;	/**< Time since last update */
+	uint32_t nci_refcnt;	/**< Reference counter */
+};
+
+
+struct rtnl_neigh
+{
+	NLHDR_COMMON
+	uint32_t	n_family;
+	uint32_t	n_ifindex;
+	uint16_t	n_state;
+	uint8_t		n_flags;
+	uint8_t		n_type;
+	struct nl_addr *n_lladdr;
+	struct nl_addr *n_dst;
+	uint32_t	n_probes;
+	struct rtnl_ncacheinfo n_cacheinfo;
+	uint32_t                n_state_mask;
+	uint32_t                n_flag_mask;
+};
+
+
+struct rtnl_addr_cacheinfo
+{
+	/* Preferred lifetime in seconds */
+	uint32_t aci_prefered;
+
+	/* Valid lifetime in seconds */
+	uint32_t aci_valid;
+
+	/* Timestamp of creation in 1/100s seince boottime */
+	uint32_t aci_cstamp;
+
+	/* Timestamp of last update in 1/100s since boottime */
+	uint32_t aci_tstamp;
+};
+
+struct rtnl_addr
+{
+	NLHDR_COMMON
+
+	uint8_t		a_family;
+	uint8_t		a_prefixlen;
+	uint8_t		a_flags;
+	uint8_t		a_scope;
+	uint32_t	a_ifindex;
+
+	struct nl_addr *a_peer;
+	struct nl_addr *a_local;
+	struct nl_addr *a_bcast;
+	struct nl_addr *a_anycast;
+	struct nl_addr *a_multicast;
+
+	struct rtnl_addr_cacheinfo a_cacheinfo;
+
+	char a_label[IFNAMSIZ];
+	uint32_t a_flag_mask;
+};
+
+struct rtnl_nexthop
+{
+	uint8_t			rtnh_flags;
+	uint8_t			rtnh_flag_mask;
+	uint8_t			rtnh_weight;
+	/* 1 byte spare */
+	uint32_t		rtnh_ifindex;
+	struct nl_addr *	rtnh_gateway;
+	uint32_t		ce_mask; /* HACK to support attr macros */
+	struct nl_list_head	rtnh_list;
+	uint32_t		rtnh_realms;
+};
+
+struct rtnl_route
+{
+	NLHDR_COMMON
+
+	uint8_t			rt_family;
+	uint8_t			rt_dst_len;
+	uint8_t			rt_src_len;
+	uint8_t			rt_tos;
+	uint8_t			rt_protocol;
+	uint8_t			rt_scope;
+	uint8_t			rt_type;
+	uint8_t			rt_nmetrics;
+	uint32_t		rt_flags;
+	struct nl_addr *	rt_dst;
+	struct nl_addr *	rt_src;
+	uint32_t		rt_table;
+	uint32_t		rt_iif;
+	uint32_t		rt_prio;
+	uint32_t		rt_metrics[RTAX_MAX];
+	uint32_t		rt_metrics_mask;
+	uint32_t		rt_nr_nh;
+	struct nl_addr *	rt_pref_src;
+	struct nl_list_head	rt_nexthops;
+	struct rtnl_rtcacheinfo	rt_cacheinfo;
+	uint32_t		rt_flag_mask;
+};
+
+struct rtnl_rule
+{
+	NLHDR_COMMON
+
+	uint64_t	r_mark;
+	uint32_t	r_prio;
+	uint32_t	r_realms;
+	uint32_t	r_table;
+	uint8_t		r_dsfield;
+	uint8_t		r_type;
+	uint8_t		r_family;
+	uint8_t		r_src_len;
+	uint8_t		r_dst_len;
+	char		r_iif[IFNAMSIZ];
+	struct nl_addr *r_src;
+	struct nl_addr *r_dst;
+	struct nl_addr *r_srcmap;
+};
+
+struct rtnl_neightbl_parms
+{
+	/**
+	 * Interface index of the device this parameter set is assigned
+	 * to or 0 for the default set.
+	 */
+	uint32_t		ntp_ifindex;
+
+	/**
+	 * Number of references to this parameter set.
+	 */
+	uint32_t		ntp_refcnt;
+
+	/**
+	 * Queue length for pending arp requests, i.e. the number of
+	 * packets which are accepted from other layers while the
+	 * neighbour address is still being resolved
+	 */
+	uint32_t		ntp_queue_len;
+
+	/**
+	 * Number of requests to send to the user level ARP daemon.
+	 * Specify 0 to disable.
+	 */
+	uint32_t		ntp_app_probes;
+
+	/**
+	 * Maximum number of retries for unicast solicitation.
+	 */
+	uint32_t		ntp_ucast_probes;
+
+	/**
+	 * Maximum number of retries for multicast solicitation.
+	 */
+	uint32_t		ntp_mcast_probes;
+
+	/**
+	 * Base value in milliseconds to ompute reachable time, see RFC2461.
+	 */
+	uint64_t		ntp_base_reachable_time;
+
+	/**
+	 * Actual reachable time (read-only)
+	 */
+	uint64_t		ntp_reachable_time;	/* secs */
+
+	/**
+	 * The time in milliseconds between retransmitted Neighbor
+	 * Solicitation messages.
+	 */
+	uint64_t		ntp_retrans_time;
+
+	/**
+	 * Interval in milliseconds to check for stale neighbour
+	 * entries.
+	 */
+	uint64_t		ntp_gc_stale_time;	/* secs */
+
+	/**
+	 * Delay in milliseconds for the first time probe if
+	 * the neighbour is reachable.
+	 */
+	uint64_t		ntp_probe_delay;	/* secs */
+
+	/**
+	 * Maximum delay in milliseconds of an answer to a neighbour
+	 * solicitation message.
+	 */
+	uint64_t		ntp_anycast_delay;
+
+	/**
+	 * Minimum age in milliseconds before a neighbour entry
+	 * may be replaced.
+	 */
+	uint64_t		ntp_locktime;
+
+	/**
+	 * Delay in milliseconds before answering to an ARP request
+	 * for which a proxy ARP entry exists.
+	 */
+	uint64_t		ntp_proxy_delay;
+
+	/**
+	 * Queue length for the delayed proxy arp requests.
+	 */
+	uint32_t		ntp_proxy_qlen;
+
+	/**
+	 * Mask of available parameter attributes
+	 */
+	uint32_t		ntp_mask;
+};
+
+#define NTBLNAMSIZ	32
+
+/**
+ * Neighbour table
+ * @ingroup neightbl
+ */
+struct rtnl_neightbl
+{
+	NLHDR_COMMON
+
+	char			nt_name[NTBLNAMSIZ];
+	uint32_t		nt_family;
+	uint32_t		nt_gc_thresh1;
+	uint32_t		nt_gc_thresh2;
+	uint32_t		nt_gc_thresh3;
+	uint64_t		nt_gc_interval;
+	struct ndt_config	nt_config;
+	struct rtnl_neightbl_parms nt_parms;
+	struct ndt_stats	nt_stats;
+};
+
+struct rtnl_ratespec
+{
+	uint8_t			rs_cell_log;
+	uint16_t		rs_feature;
+	uint16_t		rs_addend;
+	uint16_t		rs_mpu;
+	uint32_t		rs_rate;
+};
+
+struct rtnl_tstats
+{
+	struct {
+		uint64_t            bytes;
+		uint64_t            packets;
+	} tcs_basic;
+
+	struct {
+		uint32_t            bps;
+		uint32_t            pps;
+	} tcs_rate_est;
+
+	struct {
+		uint32_t            qlen;
+		uint32_t            backlog;
+		uint32_t            drops;
+		uint32_t            requeues;
+		uint32_t            overlimits;
+	} tcs_queue;
+};
+
+#define TCKINDSIZ	32
+
+#define NL_TCA_GENERIC(pre)				\
+	NLHDR_COMMON					\
+	uint32_t		pre ##_family;		\
+	uint32_t		pre ##_ifindex;		\
+	uint32_t		pre ##_handle;		\
+	uint32_t		pre ##_parent;		\
+	uint32_t		pre ##_info;		\
+	char			pre ##_kind[TCKINDSIZ];	\
+	struct nl_data *	pre ##_opts;		\
+	uint64_t		pre ##_stats[RTNL_TC_STATS_MAX+1]; \
+	struct nl_data *	pre ##_xstats;		\
+	struct nl_data *	pre ##_subdata;		\
+
+
+struct rtnl_tca
+{
+	NL_TCA_GENERIC(tc);
+};
+
+struct rtnl_qdisc
+{
+	NL_TCA_GENERIC(q);
+	struct rtnl_qdisc_ops	*q_ops;
+};
+
+struct rtnl_class
+{
+	NL_TCA_GENERIC(c);
+	struct rtnl_class_ops	*c_ops;
+};
+
+struct rtnl_cls
+{
+	NL_TCA_GENERIC(c);
+	uint16_t		c_prio;
+	uint16_t		c_protocol;
+	struct rtnl_cls_ops	*c_ops;
+};
+
+struct rtnl_u32
+{
+	uint32_t		cu_divisor;
+	uint32_t		cu_hash;
+	uint32_t		cu_classid;
+	uint32_t		cu_link;
+	struct nl_data *	cu_pcnt;
+	struct nl_data *	cu_selector;
+	struct nl_data *	cu_act;
+	struct nl_data *	cu_police;
+	char			cu_indev[IFNAMSIZ];
+	int			cu_mask;
+};
+
+struct rtnl_cgroup
+{
+	struct rtnl_ematch_tree *cg_ematch;
+	int			cg_mask;
+};
+
+struct rtnl_fw
+{
+	uint32_t		cf_classid;
+	struct nl_data *	cf_act;
+	struct nl_data *	cf_police;
+	char			cf_indev[IFNAMSIZ];
+	int			cf_mask;
+};
+
+struct rtnl_ematch
+{
+	uint16_t		e_id;
+	uint16_t		e_kind;
+	uint16_t		e_flags;
+
+	struct nl_list_head	e_childs;
+	struct nl_list_head	e_list;
+	struct rtnl_ematch_ops *e_ops;
+
+	char			e_data[0];
+};
+
+struct rtnl_ematch_tree
+{
+	uint16_t		et_progid;
+	struct nl_list_head	et_list;
+
+};
+
+struct rtnl_dsmark_qdisc
+{
+	uint16_t	qdm_indices;
+	uint16_t	qdm_default_index;
+	uint32_t	qdm_set_tc_index;
+	uint32_t	qdm_mask;
+};
+
+struct rtnl_dsmark_class
+{
+	uint8_t		cdm_bmask;
+	uint8_t		cdm_value;
+	uint32_t	cdm_mask;
+};
+
+struct rtnl_fifo
+{
+	uint32_t	qf_limit;
+	uint32_t	qf_mask;
+};
+
+struct rtnl_prio
+{
+	uint32_t	qp_bands;
+	uint8_t		qp_priomap[TC_PRIO_MAX+1];
+	uint32_t	qp_mask;
+};
+
+struct rtnl_tbf
+{
+	uint32_t		qt_limit;
+	uint32_t		qt_mpu;
+	struct rtnl_ratespec	qt_rate;
+	uint32_t		qt_rate_bucket;
+	uint32_t		qt_rate_txtime;
+	struct rtnl_ratespec	qt_peakrate;
+	uint32_t		qt_peakrate_bucket;
+	uint32_t		qt_peakrate_txtime;
+	uint32_t		qt_mask;
+};
+
+struct rtnl_sfq
+{
+	uint32_t	qs_quantum;
+	uint32_t	qs_perturb;
+	uint32_t	qs_limit;
+	uint32_t	qs_divisor;
+	uint32_t	qs_flows;
+	uint32_t	qs_mask;
+};
+
+struct rtnl_netem_corr
+{
+	uint32_t	nmc_delay;
+	uint32_t	nmc_loss;
+	uint32_t	nmc_duplicate;
+};
+
+struct rtnl_netem_reo
+{
+	uint32_t	nmro_probability;
+	uint32_t	nmro_correlation;
+};
+
+struct rtnl_netem_crpt
+{
+	uint32_t	nmcr_probability;
+	uint32_t	nmcr_correlation;
+};
+
+struct rtnl_netem_dist
+{
+	int16_t	*	dist_data;
+	size_t		dist_size;
+};
+
+struct rtnl_netem
+{
+	uint32_t		qnm_latency;
+	uint32_t		qnm_limit;
+	uint32_t		qnm_loss;
+	uint32_t		qnm_gap;
+	uint32_t		qnm_duplicate;
+	uint32_t		qnm_jitter;
+	uint32_t		qnm_mask;
+	struct rtnl_netem_corr	qnm_corr;
+	struct rtnl_netem_reo	qnm_ro;
+	struct rtnl_netem_crpt	qnm_crpt;
+	struct rtnl_netem_dist  qnm_dist;
+};
+
+struct rtnl_htb_qdisc
+{
+	uint32_t		qh_rate2quantum;
+	uint32_t		qh_defcls;
+	uint32_t		qh_mask;
+};
+
+struct rtnl_htb_class
+{
+	uint32_t		ch_prio;
+	uint32_t		ch_mtu;
+	struct rtnl_ratespec	ch_rate;
+	struct rtnl_ratespec	ch_ceil;
+	uint32_t		ch_rbuffer;
+	uint32_t		ch_cbuffer;
+	uint32_t		ch_quantum;
+	uint8_t			ch_overhead;
+	uint8_t			ch_mpu;
+	uint32_t		ch_mask;
+};
+
+struct rtnl_cbq
+{
+	struct tc_cbq_lssopt    cbq_lss;
+	struct tc_ratespec      cbq_rate;
+	struct tc_cbq_wrropt    cbq_wrr;
+	struct tc_cbq_ovl       cbq_ovl;
+	struct tc_cbq_fopt      cbq_fopt;
+	struct tc_cbq_police    cbq_police;
+};
+
+struct rtnl_red
+{
+	uint32_t	qr_limit;
+	uint32_t	qr_qth_min;
+	uint32_t	qr_qth_max;
+	uint8_t		qr_flags;
+	uint8_t		qr_wlog;
+	uint8_t		qr_plog;
+	uint8_t		qr_scell_log;
+	uint32_t	qr_mask;
+};
+
+struct flnl_request
+{
+	NLHDR_COMMON
+
+	struct nl_addr *	lr_addr;
+	uint32_t		lr_fwmark;
+	uint8_t			lr_tos;
+	uint8_t			lr_scope;
+	uint8_t			lr_table;
+};
+
+
+struct flnl_result
+{
+	NLHDR_COMMON
+
+	struct flnl_request *	fr_req;
+	uint8_t			fr_table_id;
+	uint8_t			fr_prefixlen;
+	uint8_t			fr_nh_sel;
+	uint8_t			fr_type;
+	uint8_t			fr_scope;
+	uint32_t		fr_error;
+};
+
+#define GENL_OP_HAS_POLICY	1
+#define GENL_OP_HAS_DOIT	2
+#define GENL_OP_HAS_DUMPIT	4
+
+struct genl_family_op
+{
+	uint32_t		o_id;
+	uint32_t		o_flags;
+
+	struct nl_list_head	o_list;
+};
+
+struct genl_family
+{
+	NLHDR_COMMON
+
+	uint16_t		gf_id;
+	char 			gf_name[GENL_NAMSIZ];
+	uint32_t		gf_version;
+	uint32_t		gf_hdrsize;
+	uint32_t		gf_maxattr;
+
+	struct nl_list_head	gf_ops;
+};
+
+union nfnl_ct_proto
+{
+	struct {
+		uint16_t	src;
+		uint16_t	dst;
+	} port;
+	struct {
+		uint16_t	id;
+		uint8_t		type;
+		uint8_t		code;
+	} icmp;
+};
+
+struct nfnl_ct_dir {
+	struct nl_addr *	src;
+	struct nl_addr *	dst;
+	union nfnl_ct_proto	proto;
+	uint64_t		packets;
+	uint64_t		bytes;
+};
+
+union nfnl_ct_protoinfo {
+	struct {
+		uint8_t		state;
+	} tcp;
+};
+
+struct nfnl_ct {
+	NLHDR_COMMON
+
+	uint8_t			ct_family;
+	uint8_t			ct_proto;
+	union nfnl_ct_protoinfo	ct_protoinfo;
+
+	uint32_t		ct_status;
+	uint32_t		ct_status_mask;
+	uint32_t		ct_timeout;
+	uint32_t		ct_mark;
+	uint32_t		ct_use;
+	uint32_t		ct_id;
+
+	struct nfnl_ct_dir	ct_orig;
+	struct nfnl_ct_dir	ct_repl;
+};
+
+struct nfnl_log {
+	NLHDR_COMMON
+
+	uint16_t		log_group;
+	uint8_t			log_copy_mode;
+	uint32_t		log_copy_range;
+	uint32_t		log_flush_timeout;
+	uint32_t		log_alloc_size;
+	uint32_t		log_queue_threshold;
+	uint32_t		log_flags;
+	uint32_t		log_flag_mask;
+};
+
+struct nfnl_log_msg {
+	NLHDR_COMMON
+
+	uint8_t			log_msg_family;
+	uint8_t			log_msg_hook;
+	uint16_t		log_msg_hwproto;
+	uint32_t		log_msg_mark;
+	struct timeval		log_msg_timestamp;
+	uint32_t		log_msg_indev;
+	uint32_t		log_msg_outdev;
+	uint32_t		log_msg_physindev;
+	uint32_t		log_msg_physoutdev;
+	uint8_t			log_msg_hwaddr[8];
+	int			log_msg_hwaddr_len;
+	void *			log_msg_payload;
+	int			log_msg_payload_len;
+	char *			log_msg_prefix;
+	uint32_t		log_msg_uid;
+	uint32_t		log_msg_gid;
+	uint32_t		log_msg_seq;
+	uint32_t		log_msg_seq_global;
+};
+
+struct nfnl_queue {
+	NLHDR_COMMON
+
+	uint16_t		queue_group;
+	uint32_t		queue_maxlen;
+	uint32_t		queue_copy_range;
+	uint8_t			queue_copy_mode;
+};
+
+struct nfnl_queue_msg {
+	NLHDR_COMMON
+
+	uint16_t		queue_msg_group;
+	uint8_t			queue_msg_family;
+	uint8_t			queue_msg_hook;
+	uint16_t		queue_msg_hwproto;
+	uint32_t		queue_msg_packetid;
+	uint32_t		queue_msg_mark;
+	struct timeval		queue_msg_timestamp;
+	uint32_t		queue_msg_indev;
+	uint32_t		queue_msg_outdev;
+	uint32_t		queue_msg_physindev;
+	uint32_t		queue_msg_physoutdev;
+	uint8_t			queue_msg_hwaddr[8];
+	int			queue_msg_hwaddr_len;
+	void *			queue_msg_payload;
+	int			queue_msg_payload_len;
+	uint32_t		queue_msg_verdict;
+};
+
+#endif

netlink/addr.h

+/*
+ * netlink/addr.h		Abstract Address
+ *
+ *	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_ADDR_H_
+#define NETLINK_ADDR_H_
+
+#include <netlink/netlink.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct nl_addr;
+
+/* Creation */
+extern struct nl_addr *	nl_addr_alloc(size_t);
+extern struct nl_addr *	nl_addr_alloc_attr(struct nlattr *, int);
+extern struct nl_addr *	nl_addr_build(int, void *, size_t);
+extern int		nl_addr_parse(const char *, int, struct nl_addr **);
+extern struct nl_addr *	nl_addr_clone(struct nl_addr *);
+
+/* Destroyage */
+extern void		nl_addr_destroy(struct nl_addr *);
+
+/* Usage Management */
+extern struct nl_addr *	nl_addr_get(struct nl_addr *);
+extern void		nl_addr_put(struct nl_addr *);
+extern int		nl_addr_shared(struct nl_addr *);
+
+extern int		nl_addr_cmp(struct nl_addr *, struct nl_addr *);
+extern int		nl_addr_cmp_prefix(struct nl_addr *, struct nl_addr *);
+extern int		nl_addr_iszero(struct nl_addr *);
+extern int		nl_addr_valid(char *, int);
+extern int      	nl_addr_guess_family(struct nl_addr *);
+extern int		nl_addr_fill_sockaddr(struct nl_addr *,
+					      struct sockaddr *, socklen_t *);
+extern int		nl_addr_info(struct nl_addr *, struct addrinfo **);
+extern int		nl_addr_resolve(struct nl_addr *addr, char *host, size_t hostlen);
+
+/* Access Functions */
+extern void		nl_addr_set_family(struct nl_addr *, int);
+extern int		nl_addr_get_family(struct nl_addr *);
+extern int		nl_addr_set_binary_addr(struct nl_addr *, void *,
+						size_t);
+extern void *		nl_addr_get_binary_addr(struct nl_addr *);
+extern unsigned int	nl_addr_get_len(struct nl_addr *);
+extern void		nl_addr_set_prefixlen(struct nl_addr *, int);
+extern unsigned int	nl_addr_get_prefixlen(struct nl_addr *);
+
+/* Address Family Translations */
+extern char *		nl_af2str(int, char *, size_t);
+extern int		nl_str2af(const char *);
+
+/* Translations to Strings */
+extern char *		nl_addr2str(struct nl_addr *, char *, size_t);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

netlink/attr.h

+/*
+ * netlink/attr.h		Netlink Attributes
+ *
+ *	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_ATTR_H_
+#define NETLINK_ATTR_H_
+
+#include <netlink/netlink.h>
+#include <netlink/object.h>
+#include <netlink/addr.h>
+#include <netlink/data.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct nl_msg;
+
+/**
+ * @name Basic Attribute Data Types
+ * @{
+ */
+
+ /**
+  * @ingroup attr
+  * Basic attribute data types
+  *
+  * See \ref attr_datatypes for more details.
+  */
+enum {
+	NLA_UNSPEC,	/**< Unspecified type, binary data chunk */
+	NLA_U8,		/**< 8 bit integer */
+	NLA_U16,	/**< 16 bit integer */
+	NLA_U32,	/**< 32 bit integer */
+	NLA_U64,	/**< 64 bit integer */
+	NLA_STRING,	/**< NUL terminated character string */
+	NLA_FLAG,	/**< Flag */
+	NLA_MSECS,	/**< Micro seconds (64bit) */
+	NLA_NESTED,	/**< Nested attributes */
+	__NLA_TYPE_MAX,
+};
+
+#define NLA_TYPE_MAX (__NLA_TYPE_MAX - 1)
+
+/** @} */
+
+/**
+ * @ingroup attr
+ * Attribute validation policy.
+ *
+ * See \ref attr_datatypes for more details.
+ */
+struct nla_policy {
+	/** Type of attribute or NLA_UNSPEC */
+	uint16_t	type;
+
+	/** Minimal length of payload required */
+	uint16_t	minlen;
+
+	/** Maximal length of payload allowed */
+	uint16_t	maxlen;
+};
+
+/* Size calculations */
+extern int		nla_attr_size(int payload);
+extern int		nla_total_size(int payload);
+extern int		nla_padlen(int payload);
+
+/* Attribute parsing */
+extern int		nla_type(const struct nlattr *);
+extern void *		nla_data(const struct nlattr *);
+extern int		nla_len(const struct nlattr *);
+extern int		nla_ok(const struct nlattr *, int);
+extern struct nlattr *	nla_next(const struct nlattr *, int *);
+extern int		nla_parse(struct nlattr **, int, struct nlattr *,
+				  int, struct nla_policy *);
+extern int		nla_validate(struct nlattr *, int, int,
+				     struct nla_policy *);
+extern struct nlattr *	nla_find(struct nlattr *, int, int);
+
+/* Helper Functions */
+extern int		nla_memcpy(void *, struct nlattr *, int);
+extern size_t		nla_strlcpy(char *, const struct nlattr *, size_t);
+extern int		nla_memcmp(const struct nlattr *, const void *, size_t);
+extern int		nla_strcmp(const struct nlattr *, const char *);
+
+/* Unspecific attribute */
+extern struct nlattr *	nla_reserve(struct nl_msg *, int, int);
+extern int		nla_put(struct nl_msg *, int, int, const void *);
+extern int		nla_put_data(struct nl_msg *, int, struct nl_data *);
+extern int		nla_put_addr(struct nl_msg *, int, struct nl_addr *);
+
+/* Integer attribute */
+extern uint8_t		nla_get_u8(struct nlattr *);
+extern int		nla_put_u8(struct nl_msg *, int, uint8_t);
+extern uint16_t		nla_get_u16(struct nlattr *);
+extern int		nla_put_u16(struct nl_msg *, int, uint16_t);
+extern uint32_t		nla_get_u32(struct nlattr *);
+extern int		nla_put_u32(struct nl_msg *, int, uint32_t);
+extern uint64_t		nla_get_u64(struct nlattr *);
+extern int		nla_put_u64(struct nl_msg *, int, uint64_t);
+
+/* String attribute */
+extern char *		nla_get_string(struct nlattr *);
+extern char *		nla_strdup(struct nlattr *);
+extern int		nla_put_string(struct nl_msg *, int, const char *);
+
+/* Flag attribute */
+extern int		nla_get_flag(struct nlattr *);
+extern int		nla_put_flag(struct nl_msg *, int);
+
+/* Msec attribute */
+extern unsigned long	nla_get_msecs(struct nlattr *);
+extern int		nla_put_msecs(struct nl_msg *, int, unsigned long);
+
+/* Attribute nesting */
+extern int		nla_put_nested(struct nl_msg *, int, struct nl_msg *);
+extern struct nlattr *	nla_nest_start(struct nl_msg *, int);
+extern int		nla_nest_end(struct nl_msg *, struct nlattr *);
+extern int		nla_parse_nested(struct nlattr **, int, struct nlattr *,
+					 struct nla_policy *);
+
+/**
+ * @name Attribute Construction (Exception Based)
+ * @{
+ */
+
+/**
+ * @ingroup attr
+ * Add unspecific attribute to netlink message.
+ * @arg msg		Netlink message.
+ * @arg attrtype	Attribute type.
+ * @arg attrlen		Length of attribute payload.
+ * @arg data		Head of attribute payload.
+ */
+#define NLA_PUT(msg, attrtype, attrlen, data) \
+	do { \
+		if (nla_put(msg, attrtype, attrlen, data) < 0) \
+			goto nla_put_failure; \
+	} while(0)
+
+/**
+ * @ingroup attr
+ * Add atomic type attribute to netlink message.
+ * @arg msg		Netlink message.
+ * @arg type		Atomic type.
+ * @arg attrtype	Attribute type.
+ * @arg value		Head of attribute payload.
+ */
+#define NLA_PUT_TYPE(msg, type, attrtype, value) \
+	do { \
+		type __tmp = value; \
+		NLA_PUT(msg, attrtype, sizeof(type), &__tmp); \
+	} while(0)
+
+/**
+ * Add 8 bit integer attribute to netlink message.
+ * @arg msg		Netlink message.
+ * @arg attrtype	Attribute type.
+ * @arg value		Numeric value.
+ */
+#define NLA_PUT_U8(msg, attrtype, value) \
+	NLA_PUT_TYPE(msg, uint8_t, attrtype, value)
+
+/**
+ * Add 16 bit integer attribute to netlink message.
+ * @arg msg		Netlink message.
+ * @arg attrtype	Attribute type.
+ * @arg value		Numeric value.
+ */
+#define NLA_PUT_U16(msg, attrtype, value) \
+	NLA_PUT_TYPE(msg, uint16_t, attrtype, value)
+
+/**
+ * Add 32 bit integer attribute to netlink message.
+ * @arg msg		Netlink message.
+ * @arg attrtype	Attribute type.
+ * @arg value		Numeric value.
+ */
+#define NLA_PUT_U32(msg, attrtype, value) \
+	NLA_PUT_TYPE(msg, uint32_t, attrtype, value)
+
+/**
+ * Add 64 bit integer attribute to netlink message.
+ * @arg msg		Netlink message.
+ * @arg attrtype	Attribute type.
+ * @arg value		Numeric value.
+ */
+#define NLA_PUT_U64(msg, attrtype, value) \
+	NLA_PUT_TYPE(msg, uint64_t, attrtype, value)
+
+/**
+ * Add string attribute to netlink message.
+ * @arg msg		Netlink message.
+ * @arg attrtype	Attribute type.
+ * @arg value		NUL terminated character string.
+ */
+#define NLA_PUT_STRING(msg, attrtype, value) \
+	NLA_PUT(msg, attrtype, strlen(value) + 1, value)
+
+/**
+ * Add flag attribute to netlink message.
+ * @arg msg		Netlink message.
+ * @arg attrtype	Attribute type.
+ */
+#define NLA_PUT_FLAG(msg, attrtype) \
+	NLA_PUT(msg, attrtype, 0, NULL)
+
+/**
+ * Add msecs attribute to netlink message.
+ * @arg msg		Netlink message.
+ * @arg attrtype	Attribute type.
+ * @arg msecs		Numeric value in micro seconds.
+ */
+#define NLA_PUT_MSECS(msg, attrtype, msecs) \
+	NLA_PUT_U64(msg, attrtype, msecs)
+
+/**
+ * Add address attribute to netlink message.
+ * @arg msg		Netlink message.
+ * @arg attrtype	Attribute type.
+ * @arg addr		Abstract address object.
+ */
+#define NLA_PUT_ADDR(msg, attrtype, addr) \
+	NLA_PUT(msg, attrtype, nl_addr_get_len(addr), \
+		nl_addr_get_binary_addr(addr))
+
+/**
+ * Add abstract data attribute to netlink message.
+ * @arg msg		Netlink message.
+ * @arg attrtype	Attribute type.
+ * @arg data		Abstract data object.
+ */
+#define NLA_PUT_DATA(msg, attrtype, data) \
+	NLA_PUT(msg, attrtype, nl_data_get_size(data), \
+		nl_data_get(data))
+
+/** @} */
+
+/**
+ * @name Iterators
+ * @{
+ */
+
+/**
+ * @ingroup attr
+ * Iterate over a stream of attributes
+ * @arg pos	loop counter, set to current attribute
+ * @arg head	head of attribute stream
+ * @arg len	length of attribute stream
+ * @arg rem	initialized to len, holds bytes currently remaining in stream
+ */
+#define nla_for_each_attr(pos, head, len, rem) \
+	for (pos = head, rem = len; \
+	     nla_ok(pos, rem); \
+	     pos = nla_next(pos, &(rem)))
+
+/**
+ * @ingroup attr
+ * Iterate over a stream of nested attributes
+ * @arg pos	loop counter, set to current attribute
+ * @arg nla	attribute containing the nested attributes
+ * @arg rem	initialized to len, holds bytes currently remaining in stream
+ */
+#define nla_for_each_nested(pos, nla, rem) \
+	for (pos = nla_data(nla), rem = nla_len(nla); \
+	     nla_ok(pos, rem); \
+	     pos = nla_next(pos, &(rem)))
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

netlink/cache-api.h

+/*
+ * netlink/cache-api.h		Caching API
+ *
+ *	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) 2003-2006 Thomas Graf <tgraf@suug.ch>
+ */
+
+#ifndef NETLINK_CACHE_API_H_
+#define NETLINK_CACHE_API_H_
+
+#include <netlink/netlink.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @ingroup cache
+ * @defgroup cache_api Cache Implementation
+ * @brief
+ *
+ * @par 1) Cache Definition
+ * @code
+ * struct nl_cache_ops my_cache_ops = {
+ * 	.co_name		= "route/link",
+ * 	.co_protocol		= NETLINK_ROUTE,
+ * 	.co_hdrsize		= sizeof(struct ifinfomsg),
+ * 	.co_obj_ops		= &my_obj_ops,
+ * };
+ * @endcode
+ *
+ * @par 2) 
+ * @code
+ * // The simplest way to fill a cache is by providing a request-update
+ * // function which must trigger a complete dump on the kernel-side of
+ * // whatever the cache covers.
+ * static int my_request_update(struct nl_cache *cache,
+ * 				struct nl_sock *socket)
+ * {
+ * 	// In this example, we request a full dump of the interface table
+ * 	return nl_rtgen_request(socket, RTM_GETLINK, AF_UNSPEC, NLM_F_DUMP);
+ * }
+ *
+ * // The resulting netlink messages sent back will be fed into a message
+ * // parser one at a time. The message parser has to extract all relevant
+ * // information from the message and create an object reflecting the
+ * // contents of the message and pass it on to the parser callback function
+ * // provide which will add the object to the cache.
+ * static int my_msg_parser(struct nl_cache_ops *ops, struct sockaddr_nl *who,
+ * 			    struct nlmsghdr *nlh, struct nl_parser_param *pp)
+ * {
+ * 	struct my_obj *obj;
+ *
+ * 	obj = my_obj_alloc();
+ * 	obj->ce_msgtype = nlh->nlmsg_type;
+ *
+ * 	// Parse the netlink message and continue creating the object.
+ *
+ * 	err = pp->pp_cb((struct nl_object *) obj, pp);
+ * 	if (err < 0)
+ * 		goto errout;
+ * }
+ *
+ * struct nl_cache_ops my_cache_ops = {
+ * 	...
+ * 	.co_request_update	= my_request_update,
+ * 	.co_msg_parser		= my_msg_parser,
+ * };
+ * @endcode
+ *
+ * @par 3) Notification based Updates
+ * @code
+ * // Caches can be kept up-to-date based on notifications if the kernel
+ * // sends out notifications whenever an object is added/removed/changed.
+ * //
+ * // It is trivial to support this, first a list of groups needs to be
+ * // defined which are required to join in order to receive all necessary
+ * // notifications. The groups are separated by address family to support
+ * // the common situation where a separate group is used for each address
+ * // family. If there is only one group, simply specify AF_UNSPEC.
+ * static struct nl_af_group addr_groups[] = {
+ * 	{ AF_INET,	RTNLGRP_IPV4_IFADDR },
+ * 	{ AF_INET6,	RTNLGRP_IPV6_IFADDR },
+ * 	{ END_OF_GROUP_LIST },
+ * };
+ *
+ * // In order for the caching system to know the meaning of each message
+ * // type it requires a table which maps each supported message type to
+ * // a cache action, e.g. RTM_NEWADDR means address has been added or
+ * // updated, RTM_DELADDR means address has been removed.
+ * static struct nl_cache_ops rtnl_addr_ops = {
+ * 	...
+ * 	.co_msgtypes		= {
+ * 					{ RTM_NEWADDR, NL_ACT_NEW, "new" },
+ * 					{ RTM_DELADDR, NL_ACT_DEL, "del" },
+ * 					{ RTM_GETADDR, NL_ACT_GET, "get" },
+ * 					END_OF_MSGTYPES_LIST,
+ * 				},
+ * 	.co_groups		= addr_groups,
+ * };
+ *
+ * // It is now possible to keep the cache up-to-date using the cache manager.
+ * @endcode
+ * @{
+ */
+
+enum {
+	NL_ACT_UNSPEC,
+	NL_ACT_NEW,
+	NL_ACT_DEL,
+	NL_ACT_GET,
+	NL_ACT_SET,
+	NL_ACT_CHANGE,
+	__NL_ACT_MAX,
+};
+
+#define NL_ACT_MAX (__NL_ACT_MAX - 1)
+
+#define END_OF_MSGTYPES_LIST	{ -1, -1, NULL }
+
+/**
+ * Message type to cache action association
+ */
+struct nl_msgtype
+{
+	/** Netlink message type */
+	int			mt_id;
+
+	/** Cache action to take */
+	int			mt_act;
+
+	/** Name of operation for human-readable printing */
+	char *			mt_name;
+};
+
+/**
+ * Address family to netlink group association
+ */
+struct nl_af_group
+{
+	/** Address family */
+	int			ag_family;
+
+	/** Netlink group identifier */
+	int			ag_group;
+};
+
+#define END_OF_GROUP_LIST AF_UNSPEC, 0
+
+struct nl_parser_param
+{
+	int             (*pp_cb)(struct nl_object *, struct nl_parser_param *);
+	void *            pp_arg;
+};
+
+/**
+ * Cache Operations
+ */
+struct nl_cache_ops
+{
+	char  *			co_name;
+
+	int			co_hdrsize;
+	int			co_protocol;
+	struct nl_af_group *	co_groups;
+	
+	/**
+	 * Called whenever an update of the cache is required. Must send
+	 * a request message to the kernel requesting a complete dump.
+	 */
+	int   (*co_request_update)(struct nl_cache *, struct nl_sock *);
+
+	/**
+	 * Called whenever a message was received that needs to be parsed.
+	 * Must parse the message and call the paser callback function
+	 * (nl_parser_param) provided via the argument.
+	 */
+	int   (*co_msg_parser)(struct nl_cache_ops *, struct sockaddr_nl *,
+			       struct nlmsghdr *, struct nl_parser_param *);
+
+	struct nl_object_ops *	co_obj_ops;
+
+	struct nl_cache_ops *co_next;
+	struct nl_cache *co_major_cache;
+	struct genl_ops *	co_genl;
+	struct nl_msgtype	co_msgtypes[];
+};
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

netlink/cache.h

+/*
+ * netlink/cache.h		Caching Module
+ *
+ *	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_CACHE_H_
+#define NETLINK_CACHE_H_
+
+#include <netlink/netlink.h>
+#include <netlink/msg.h>
+#include <netlink/utils.h>
+#include <netlink/object.h>
+#include <netlink/cache-api.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct nl_cache;
+
+typedef void (*change_func_t)(struct nl_cache *, struct nl_object *, int, void *);
+
+/* Access Functions */
+extern int			nl_cache_nitems(struct nl_cache *);
+extern int			nl_cache_nitems_filter(struct nl_cache *,
+						       struct nl_object *);
+extern struct nl_cache_ops *	nl_cache_get_ops(struct nl_cache *);
+extern struct nl_object *	nl_cache_get_first(struct nl_cache *);
+extern struct nl_object *	nl_cache_get_last(struct nl_cache *);
+extern struct nl_object *	nl_cache_get_next(struct nl_object *);
+extern struct nl_object *	nl_cache_get_prev(struct nl_object *);
+
+extern struct nl_cache *	nl_cache_alloc(struct nl_cache_ops *);
+extern int			nl_cache_alloc_and_fill(struct nl_cache_ops *,
+							struct nl_sock *,
+							struct nl_cache **);
+extern int			nl_cache_alloc_name(const char *,
+						    struct nl_cache **);
+extern struct nl_cache *	nl_cache_subset(struct nl_cache *,
+						struct nl_object *);
+extern void			nl_cache_clear(struct nl_cache *);
+extern void			nl_cache_free(struct nl_cache *);
+
+/* Cache modification */
+extern int			nl_cache_add(struct nl_cache *,
+					     struct nl_object *);
+extern int			nl_cache_parse_and_add(struct nl_cache *,
+						       struct nl_msg *);
+extern void			nl_cache_remove(struct nl_object *);
+extern int			nl_cache_refill(struct nl_sock *,
+						struct nl_cache *);
+extern int			nl_cache_pickup(struct nl_sock *,
+						struct nl_cache *);
+extern int			nl_cache_resync(struct nl_sock *,
+						struct nl_cache *,
+						change_func_t,
+						void *);
+extern int			nl_cache_include(struct nl_cache *,
+						 struct nl_object *,
+						 change_func_t,
+						 void *);
+
+/* General */
+extern int			nl_cache_is_empty(struct nl_cache *);
+extern void			nl_cache_mark_all(struct nl_cache *);
+
+/* Dumping */
+extern void			nl_cache_dump(struct nl_cache *,
+					      struct nl_dump_params *);
+extern void			nl_cache_dump_filter(struct nl_cache *,
+						     struct nl_dump_params *,
+						     struct nl_object *);
+
+/* Iterators */
+extern void			nl_cache_foreach(struct nl_cache *,
+						 void (*cb)(struct nl_object *,
+							    void *),
+						 void *arg);
+extern void			nl_cache_foreach_filter(struct nl_cache *,
+							struct nl_object *,
+							void (*cb)(struct
+								   nl_object *,
+								   void *),
+							void *arg);
+
+/* --- cache management --- */
+
+/* Cache type management */
+extern struct nl_cache_ops *	nl_cache_ops_lookup(const char *);
+extern struct nl_cache_ops *	nl_cache_ops_associate(int, int);
+extern struct nl_msgtype *	nl_msgtype_lookup(struct nl_cache_ops *, int);
+extern void			nl_cache_ops_foreach(void (*cb)(struct nl_cache_ops *, void *), void *);
+extern int			nl_cache_mngt_register(struct nl_cache_ops *);
+extern int			nl_cache_mngt_unregister(struct nl_cache_ops *);
+
+/* Global cache provisioning/requiring */
+extern void			nl_cache_mngt_provide(struct nl_cache *);
+extern void			nl_cache_mngt_unprovide(struct nl_cache *);
+extern struct nl_cache *	nl_cache_mngt_require(const char *);
+
+struct nl_cache_mngr;
+
+#define NL_AUTO_PROVIDE		1
+
+extern int			nl_cache_mngr_alloc(struct nl_sock *,
+						    int, int,
+						    struct nl_cache_mngr **);
+extern int			nl_cache_mngr_add(struct nl_cache_mngr *,
+						  const char *,
+						  change_func_t,
+						  void *,
+						  struct nl_cache **);
+extern int			nl_cache_mngr_get_fd(struct nl_cache_mngr *);
+extern int			nl_cache_mngr_poll(struct nl_cache_mngr *,
+						   int);
+extern int			nl_cache_mngr_data_ready(struct nl_cache_mngr *);
+extern void			nl_cache_mngr_free(struct nl_cache_mngr *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

netlink/cli/utils.h

+/*
+ * src/utils.h		Utilities
+ *
+ *	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) 2003-2009 Thomas Graf <tgraf@suug.ch>
+ */
+
+#ifndef __NETLINK_CLI_UTILS_H_
+#define __NETLINK_CLI_UTILS_H_
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <limits.h>
+#include <inttypes.h>
+#include <errno.h>
+#include <stdint.h>
+#include <ctype.h>
+#include <getopt.h>
+#include <dlfcn.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <netlink/netlink.h>
+#include <netlink/utils.h>
+#include <netlink/addr.h>
+#include <netlink/list.h>
+#include <netlink/route/rtnl.h>
+#include <netlink/route/link.h>
+#include <netlink/route/addr.h>
+#include <netlink/route/neighbour.h>
+#include <netlink/route/neightbl.h>
+#include <netlink/route/route.h>
+#include <netlink/route/rule.h>
+#include <netlink/route/qdisc.h>
+#include <netlink/route/class.h>
+#include <netlink/route/classifier.h>
+#include <netlink/route/cls/ematch.h>
+#include <netlink/fib_lookup/lookup.h>
+#include <netlink/fib_lookup/request.h>
+#include <netlink/genl/genl.h>
+#include <netlink/genl/ctrl.h>
+#include <netlink/genl/mngt.h>
+#include <netlink/netfilter/ct.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __init
+#define __init __attribute__((constructor))
+#endif
+
+#ifndef __exit
+#define __exit __attribute__((destructor))
+#endif
+
+extern uint32_t		nl_cli_parse_u32(const char *);
+extern void		nl_cli_print_version(void);
+extern void		nl_cli_fatal(int, const char *, ...);
+extern struct nl_addr *	nl_cli_addr_parse(const char *, int);
+extern int		nl_cli_connect(struct nl_sock *, int);
+extern struct nl_sock *	nl_cli_alloc_socket(void);
+extern int		nl_cli_parse_dumptype(const char *);
+extern int		nl_cli_confirm(struct nl_object *,
+				       struct nl_dump_params *, int);
+
+extern struct nl_cache *nl_cli_alloc_cache(struct nl_sock *, const char *,
+			     int (*ac)(struct nl_sock *, struct nl_cache **));
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

netlink/data.h

+/*
+ * netlink/data.h	Abstract Data
+ *
+ *	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_DATA_H_
+#define NETLINK_DATA_H_
+
+#include <netlink/netlink.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct nl_data;
+
+/* General */
+extern struct nl_data *	nl_data_alloc(void *, size_t);
+extern struct nl_data * nl_data_alloc_attr(struct nlattr *);
+extern struct nl_data *	nl_data_clone(struct nl_data *);
+extern int		nl_data_append(struct nl_data *, void *, size_t);
+extern void		nl_data_free(struct nl_data *);
+
+/* Access Functions */
+extern void *		nl_data_get(struct nl_data *);
+extern size_t		nl_data_get_size(struct nl_data *);
+
+/* Misc */
+extern int		nl_data_cmp(struct nl_data *, struct nl_data *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

netlink/errno.h

+/*
+ * netlink/errno.h		Error Numbers
+ *
+ *	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) 2008 Thomas Graf <tgraf@suug.ch>
+ */
+
+#ifndef NETLINK_ERRNO_H_
+#define NETLINK_ERRNO_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define NLE_SUCCESS		0
+#define NLE_FAILURE		1
+#define NLE_INTR		2
+#define NLE_BAD_SOCK		3
+#define NLE_AGAIN		4
+#define NLE_NOMEM		5
+#define NLE_EXIST		6
+#define NLE_INVAL		7
+#define NLE_RANGE		8
+#define NLE_MSGSIZE		9
+#define NLE_OPNOTSUPP		10
+#define NLE_AF_NOSUPPORT	11
+#define NLE_OBJ_NOTFOUND	12
+#define NLE_NOATTR		13
+#define NLE_MISSING_ATTR	14
+#define NLE_AF_MISMATCH		15
+#define NLE_SEQ_MISMATCH	16
+#define NLE_MSG_OVERFLOW	17
+#define NLE_MSG_TRUNC		18
+#define NLE_NOADDR		19
+#define NLE_SRCRT_NOSUPPORT	20
+#define NLE_MSG_TOOSHORT	21
+#define NLE_MSGTYPE_NOSUPPORT	22
+#define NLE_OBJ_MISMATCH	23
+#define NLE_NOCACHE		24
+#define NLE_BUSY		25
+#define NLE_PROTO_MISMATCH	26
+#define NLE_NOACCESS		27
+#define NLE_PERM		28
+#define NLE_PKTLOC_FILE		29
+
+#define NLE_MAX			NLE_PKTLOC_FILE
+
+extern const char *	nl_geterror(int);
+extern void		nl_perror(int, const char *);
+extern int		nl_syserr2nlerr(int);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

netlink/fib_lookup/lookup.h

+/*
+ * netlink/fib_lookup/fib_lookup.h	FIB Lookup
+ *
+ *	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_FIB_LOOKUP_H_
+#define NETLINK_FIB_LOOKUP_H_
+
+#include <netlink/netlink.h>
+#include <netlink/cache.h>
+#include <netlink/addr.h>
+#include <netlink/fib_lookup/request.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct flnl_result;
+
+extern struct flnl_result *	flnl_result_alloc(void);
+extern void			flnl_result_put(struct flnl_result *);
+
+extern struct nl_cache *	flnl_result_alloc_cache(void);
+
+extern int			flnl_lookup_build_request(struct flnl_request *,
+							  int,
+							  struct nl_msg **);
+extern int			flnl_lookup(struct nl_sock *,
+					    struct flnl_request *,
+					    struct nl_cache *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

netlink/fib_lookup/request.h

+/*
+ * netlink/fib_lookup/request.h		FIB Lookup Request	
+ *
+ *	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) 2003-2006 Thomas Graf <tgraf@suug.ch>
+ */
+
+#ifndef NETLINK_FIB_LOOKUP_REQUEST_H_
+#define NETLINK_FIB_LOOKUP_REQUEST_H_
+
+#include <netlink/netlink.h>
+#include <netlink/addr.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct flnl_request;
+
+#define REQUEST_CAST(ptr)	((struct flnl_request *) (ptr))
+
+extern struct flnl_request *	flnl_request_alloc(void);
+
+extern void			flnl_request_set_fwmark(struct flnl_request *,
+							uint64_t);
+extern uint64_t			flnl_request_get_fwmark(struct flnl_request *);
+extern void			flnl_request_set_tos(struct flnl_request *,
+						     int);
+extern int			flnl_request_get_tos(struct flnl_request *);
+extern void			flnl_request_set_scope(struct flnl_request *,
+						       int);
+extern int			flnl_request_get_scope(struct flnl_request *);
+extern void			flnl_request_set_table(struct flnl_request *,
+						       int);
+extern int			flnl_request_get_table(struct flnl_request *);
+extern int			flnl_request_set_addr(struct flnl_request *,
+						      struct nl_addr *);
+extern struct nl_addr *		flnl_request_get_addr(struct flnl_request *);
+
+extern int			flnl_request_cmp(struct flnl_request *,
+						 struct flnl_request *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

netlink/genl/ctrl.h

+/*
+ * netlink/genl/ctrl.h		Generic Netlink Controller
+ *
+ *	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_GENL_CTRL_H_
+#define NETLINK_GENL_CTRL_H_
+
+#include <netlink/netlink.h>
+#include <netlink/cache.h>
+#include <netlink/addr.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct genl_family;
+
+extern int			genl_ctrl_alloc_cache(struct nl_sock *,
+						      struct nl_cache **);
+extern struct genl_family *	genl_ctrl_search(struct nl_cache *, int);
+extern struct genl_family *	genl_ctrl_search_by_name(struct nl_cache *,
+							 const char *);
+extern int			genl_ctrl_resolve(struct nl_sock *,
+						  const char *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

netlink/genl/family.h

+/*
+ * netlink/genl/family.h	Generic Netlink Family
+ *
+ *	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) 2003-2006 Thomas Graf <tgraf@suug.ch>
+ */
+
+#ifndef NETLINK_GENL_FAMILY_H_
+#define NETLINK_GENL_FAMILY_H_
+
+#include <netlink/netlink.h>
+#include <netlink/cache.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct genl_family;
+
+extern struct genl_family *	genl_family_alloc(void);
+extern void			genl_family_put(struct genl_family *);
+
+extern unsigned int		genl_family_get_id(struct genl_family *);
+extern void			genl_family_set_id(struct genl_family *,
+						   unsigned int);
+extern char *			genl_family_get_name(struct genl_family *);
+extern void			genl_family_set_name(struct genl_family *,
+						     const char *name);
+extern uint8_t			genl_family_get_version(struct genl_family *);
+extern void			genl_family_set_version(struct genl_family *,
+							uint8_t);
+extern uint32_t			genl_family_get_hdrsize(struct genl_family *);
+extern void			genl_family_set_hdrsize(struct genl_family *,
+							uint32_t);
+extern uint32_t			genl_family_get_maxattr(struct genl_family *);
+extern void			genl_family_set_maxattr(struct genl_family *,
+							uint32_t);
+
+extern int			genl_family_add_op(struct genl_family *,
+						   int, int);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

netlink/genl/genl.h

+/*
+ * netlink/genl/genl.h		Generic Netlink
+ *
+ *	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_GENL_H_
+#define NETLINK_GENL_H_
+
+#include <netlink/netlink.h>
+#include <netlink/msg.h>
+#include <netlink/attr.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern int		genl_connect(struct nl_sock *);
+
+extern int		genl_send_simple(struct nl_sock *, int, int,
+					 int, int);
+
+extern void *		genlmsg_put(struct nl_msg *, uint32_t, uint32_t,
+				    int, int, int, uint8_t, uint8_t);
+
+extern int		genlmsg_valid_hdr(struct nlmsghdr *, int);
+extern int		genlmsg_validate(struct nlmsghdr *, int, int,
+					 struct nla_policy *);
+extern int		genlmsg_parse(struct nlmsghdr *, int, struct nlattr **,
+				      int, struct nla_policy *);
+extern void *		genlmsg_data(const struct genlmsghdr *);
+extern int		genlmsg_len(const struct genlmsghdr *);
+extern struct nlattr *	genlmsg_attrdata(const struct genlmsghdr *, int);
+extern int		genlmsg_attrlen(const struct genlmsghdr *, int);
+
+extern char *		genl_op2name(int, int, char *, size_t);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

netlink/genl/mngt.h

+/*
+ * netlink/genl/mngt.h		Generic Netlink Management
+ *
+ *	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) 2003-2006 Thomas Graf <tgraf@suug.ch>
+ */
+
+#ifndef NETLINK_GENL_MNGT_H_
+#define NETLINK_GENL_MNGT_H_
+
+#include <netlink/netlink.h>
+#include <netlink/attr.h>
+#include <netlink/list.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct nl_cache_ops;
+
+struct genl_info
+{
+	struct sockaddr_nl *    who;
+	struct nlmsghdr *       nlh;
+	struct genlmsghdr *     genlhdr;
+	void *                  userhdr;
+	struct nlattr **        attrs;
+};
+
+/**
+ * @ingroup genl_mngt
+ * Generic Netlink Command
+ */
+struct genl_cmd
+{
+	/** Unique command identifier */
+	int			c_id;
+
+	/** Name/description of command */
+	char *			c_name;
+
+	/**
+	 * Maximum attribute identifier, must be provided if
+	 * a message parser is available.
+	 */
+	int			c_maxattr;
+
+	int		      (*c_msg_parser)(struct nl_cache_ops *,
+					      struct genl_cmd *,
+					      struct genl_info *, void *);
+
+	/**
+	 * Attribute validation policy (optional)
+	 */
+	struct nla_policy *	c_attr_policy;
+};
+
+/**
+ * @ingroup genl_mngt
+ * Generic Netlink Operations
+ */
+struct genl_ops
+{
+	int			o_family;
+	int			o_id;
+	char *			o_name;
+	struct nl_cache_ops *	o_cache_ops;
+	struct genl_cmd	*	o_cmds;
+	int			o_ncmds;
+
+	/* linked list of all genl cache operations */
+	struct nl_list_head	o_list;
+};
+
+
+extern int		genl_register(struct nl_cache_ops *);
+extern void		genl_unregister(struct nl_cache_ops *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif