FM / netlink

/usr/include/libnl3/netlink

Name	Size	Mode	Actions
cli/	-	0755	rm
fib_lookup/	-	0755	rm
genl/	-	0755	rm
idiag/	-	0755	rm
netfilter/	-	0755	rm
route/	-	0755	rm
xfrm/	-	0755	rm
addr.h	2280	0644	edit dl rm
attr.h	9739	0644	edit dl rm
cache-api.h	532	0644	edit dl rm
cache.h	6223	0644	edit dl rm
data.h	1048	0644	edit dl rm
errno.h	1465	0644	edit dl rm
handlers.h	3714	0644	edit dl rm
hash.h	1980	0644	edit dl rm
hashtable.h	1352	0644	edit dl rm
list.h	2534	0644	edit dl rm
msg.h	4477	0644	edit dl rm
netlink-compat.h	1032	0644	edit dl rm
netlink-kernel.h	5355	0644	edit dl rm
netlink.h	3175	0644	edit dl rm
object-api.h	479	0644	edit dl rm
object.h	2563	0644	edit dl rm
socket.h	2647	0644	edit dl rm
types.h	2192	0644	edit dl rm
utils.h	11709	0644	edit dl rm
version.h	942	0644	edit dl rm

Edit: /usr/include/libnl3/netlink/msg.h (4477B)

/*
 * netlink/msg.c		Netlink Messages 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_MSG_H_
#define NETLINK_MSG_H_

#include <netlink/netlink.h>
#include <netlink/object.h>
#include <netlink/attr.h>

#ifdef __cplusplus
extern "C" {
#endif

struct nlmsghdr;

#define NL_DONTPAD	0

/**
 * @ingroup msg
 * @brief
 * Will cause the netlink port to be set to the port assigned to
 * the netlink icoket ust before sending the message off.
 *
 * @note Requires the use of nl_send_auto()!
 */
#define NL_AUTO_PORT	0
#define NL_AUTO_PID	NL_AUTO_PORT

/**
 * @ingroup msg
 * @brief
 * May be used to refer to a sequence number which should be
 * automatically set just before sending the message off.
 *
 * @note Requires the use of nl_send_auto()!
 */
#define NL_AUTO_SEQ	0

struct nl_msg;
struct nl_tree;
struct ucred;

extern int			nlmsg_size(int);
extern int			nlmsg_total_size(int);
extern int			nlmsg_padlen(int);

extern void *			nlmsg_data(const struct nlmsghdr *);
extern int			nlmsg_datalen(const struct nlmsghdr *);
extern void *			nlmsg_tail(const struct nlmsghdr *);

/* attribute access */
extern struct nlattr *	  nlmsg_attrdata(const struct nlmsghdr *, int);
extern int		  nlmsg_attrlen(const struct nlmsghdr *, int);

/* message parsing */
extern int		  nlmsg_valid_hdr(const struct nlmsghdr *, int);
extern int		  nlmsg_ok(const struct nlmsghdr *, int);
extern struct nlmsghdr *  nlmsg_next(struct nlmsghdr *, int *);
extern int		  nlmsg_parse(struct nlmsghdr *, int, struct nlattr **,
				      int, const struct nla_policy *);
extern struct nlattr *	  nlmsg_find_attr(struct nlmsghdr *, int, int);
extern int		  nlmsg_validate(struct nlmsghdr *, int, int,
					 const struct nla_policy *);

extern struct nl_msg *	  nlmsg_alloc(void);
extern struct nl_msg *	  nlmsg_alloc_size(size_t);
extern struct nl_msg *	  nlmsg_alloc_simple(int, int);
extern void		  nlmsg_set_default_size(size_t);
extern struct nl_msg *	  nlmsg_inherit(struct nlmsghdr *);
extern struct nl_msg *	  nlmsg_convert(struct nlmsghdr *);
extern void *		  nlmsg_reserve(struct nl_msg *, size_t, int);
extern int		  nlmsg_append(struct nl_msg *, void *, size_t, int);
extern int		  nlmsg_expand(struct nl_msg *, size_t);

extern struct nlmsghdr *  nlmsg_put(struct nl_msg *, uint32_t, uint32_t,
				    int, int, int);
extern struct nlmsghdr *  nlmsg_hdr(struct nl_msg *);
extern void		  nlmsg_get(struct nl_msg *);
extern void		  nlmsg_free(struct nl_msg *);

/* attribute modification */
extern void		  nlmsg_set_proto(struct nl_msg *, int);
extern int		  nlmsg_get_proto(struct nl_msg *);
extern size_t		  nlmsg_get_max_size(struct nl_msg *);
extern void		  nlmsg_set_src(struct nl_msg *, struct sockaddr_nl *);
extern struct sockaddr_nl *nlmsg_get_src(struct nl_msg *);
extern void		  nlmsg_set_dst(struct nl_msg *, struct sockaddr_nl *);
extern struct sockaddr_nl *nlmsg_get_dst(struct nl_msg *);
extern void		  nlmsg_set_creds(struct nl_msg *, struct ucred *);
extern struct ucred *	  nlmsg_get_creds(struct nl_msg *);

extern char *		  nl_nlmsgtype2str(int, char *, size_t);
extern int		  nl_str2nlmsgtype(const char *);

extern char *		  nl_nlmsg_flags2str(int, char *, size_t);

extern int		  nl_msg_parse(struct nl_msg *,
				       void (*cb)(struct nl_object *, void *),
				       void *);

extern void		nl_msg_dump(struct nl_msg *, FILE *);

/**
 * @name Iterators
 * @{
 */

/**
 * @ingroup msg
 * Iterate over a stream of attributes in a message
 * @arg pos	loop counter, set to current attribute
 * @arg nlh	netlink message header
 * @arg hdrlen	length of family header
 * @arg rem	initialized to len, holds bytes currently remaining in stream
 */
#define nlmsg_for_each_attr(pos, nlh, hdrlen, rem) \
	nla_for_each_attr(pos, nlmsg_attrdata(nlh, hdrlen), \
			  nlmsg_attrlen(nlh, hdrlen), rem)

/**
 * Iterate over a stream of messages
 * @arg pos	loop counter, set to current message
 * @arg head	head of message stream
 * @arg len	length of message stream
 */
#define nlmsg_for_each(pos, head, len) \
	for (int rem = len, pos = head; \
		nlmsg_ok(pos, rem); \
		pos = nlmsg_next(pos, &rem))

#define nlmsg_for_each_msg(pos, head, len, rem) \
		nlmsg_for_each(pos, head, len)

/** @} */

#ifdef __cplusplus
}
#endif

#endif

cmd: