msg.h File Reference

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

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Macros
#define	NL_DONTPAD   0
#define	NL_AUTO_PID   0
	Will cause the netlink pid to be set to the pid assigned to the netlink handle (socket) just before sending the message off. More...
#define	NL_AUTO_SEQ   0
	May be used to refer to a sequence number which should be automatically set just before sending the message off. More...
Iterators
#define	nlmsg_for_each_attr(pos, nlh, hdrlen, rem)
	Iterate over a stream of attributes in a message. More...
#define	nlmsg_for_each_msg(pos, head, len, rem)
	Iterate over a stream of messages. More...

Functions
int	nlmsg_msg_size (int)
	length of netlink message not including padding More...
int	nlmsg_total_size (int)
	length of netlink message including padding More...
int	nlmsg_padlen (int)
	length of padding at the message's tail More...
void *	nlmsg_data (const struct nlmsghdr *)
	head of message payload More...
int	nlmsg_len (const struct nlmsghdr *)
	length of message payload More...
void *	nlmsg_tail (const struct nlmsghdr *)
struct nlattr *	nlmsg_attrdata (const struct nlmsghdr *, int)
	head of attributes data More...
int	nlmsg_attrlen (const struct nlmsghdr *, int)
	length of attributes data More...
int	nlmsg_valid_hdr (const struct nlmsghdr *, int)
int	nlmsg_ok (const struct nlmsghdr *, int)
	check if the netlink message fits into the remaining bytes More...
struct nlmsghdr *	nlmsg_next (struct nlmsghdr *, int *)
	next netlink message in message stream More...
int	nlmsg_parse (struct nlmsghdr *, int, struct nlattr **, int, struct nla_policy *)
struct nlattr *	nlmsg_find_attr (struct nlmsghdr *, int, int)
	nlmsg_find_attr - find a specific attribute in a netlink message More...
int	nlmsg_validate (struct nlmsghdr *, int, int, struct nla_policy *)
	nlmsg_validate - validate a netlink message including attributes More...
struct nl_msg *	nlmsg_alloc (void)
	Allocate a new netlink message with the default maximum payload size. More...
struct nl_msg *	nlmsg_alloc_size (size_t)
	Allocate a new netlink message with maximum payload size specified. More...
struct nl_msg *	nlmsg_alloc_simple (int, int)
	Allocate a new netlink message. More...
void	nlmsg_set_default_size (size_t)
	Set the default maximum message payload size for allocated messages. More...
struct nl_msg *	nlmsg_inherit (struct nlmsghdr *)
	Allocate a new netlink message and inherit netlink message header. More...
struct nl_msg *	nlmsg_convert (struct nlmsghdr *)
	Convert a netlink message received from a netlink socket to a nl_msg. More...
void *	nlmsg_reserve (struct nl_msg *, size_t, int)
	Reserve room for additional data in a netlink message. More...
int	nlmsg_append (struct nl_msg *, void *, size_t, int)
	Append data to tail of a netlink message. More...
int	nlmsg_expand (struct nl_msg *, size_t)
	Expand maximum payload size of a netlink message. More...
struct nlmsghdr *	nlmsg_put (struct nl_msg *, uint32_t, uint32_t, int, int, int)
	Add a netlink message header to a netlink message. More...
struct nlmsghdr *	nlmsg_hdr (struct nl_msg *)
	Return actual netlink message. More...
void	nlmsg_get (struct nl_msg *)
	Acquire a reference on a netlink message. More...
void	nlmsg_free (struct nl_msg *)
	Release a reference from an netlink message. More...
void	nlmsg_set_proto (struct nl_msg *, int)
int	nlmsg_get_proto (struct nl_msg *)
size_t	nlmsg_get_max_size (struct nl_msg *)
void	nlmsg_set_src (struct nl_msg *, struct sockaddr_nl *)
struct sockaddr_nl *	nlmsg_get_src (struct nl_msg *)
void	nlmsg_set_dst (struct nl_msg *, struct sockaddr_nl *)
struct sockaddr_nl *	nlmsg_get_dst (struct nl_msg *)
void	nlmsg_set_creds (struct nl_msg *, struct ucred *)
struct ucred *	nlmsg_get_creds (struct nl_msg *)
char *	nl_nlmsgtype2str (int, char *, size_t)
int	nl_str2nlmsgtype (const char *)
char *	nl_nlmsg_flags2str (int, char *, size_t)
int	nl_msg_parse (struct nl_msg *, void(*cb)(struct nl_object *, void *), void *)
void	nl_msg_dump (struct nl_msg *, FILE *)
	Dump message in human readable format to file descriptor. More...

Macro Definition Documentation

#define NL_DONTPAD   0

Function Documentation

int nlmsg_parse	(	struct nlmsghdr *	,
		int	,
		struct nlattr **	,
		int	,
		struct nla_policy *
	)

Referenced by nfnlmsg_ct_parse(), nfnlmsg_log_msg_parse(), nfnlmsg_nft_chain_parse(), nfnlmsg_nft_rule_parse(), nfnlmsg_nft_set_parse(), nfnlmsg_nft_table_parse(), nfnlmsg_queue_msg_parse(), and rtnl_route_parse().

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