Netlink message helper functions

Functions
struct nlmsghdr *	nfct_timeout_nlmsg_build_hdr (char *buf, uint8_t cmd, uint16_t flags, uint32_t seq)
void	nfct_timeout_nlmsg_build_payload (struct nlmsghdr *nlh, const struct nfct_timeout *t)
int	nfct_timeout_nlmsg_parse_payload (const struct nlmsghdr *nlh, struct nfct_timeout *t)

---

Function Documentation

struct nlmsghdr* nfct_timeout_nlmsg_build_hdr	(	char *	buf,
		uint8_t	cmd,
		uint16_t	flags,
		uint32_t	seq
	)		[read]

nfct_timeout_nlmsg_build_hdr - build netlink message header for ct timeout

Parameters:

buf,:	buffer where this function outputs the netlink message.
cmd,:	nfct_timeout nfnetlink command.
flags,:	netlink flags.
seq,:	sequence number for this message.

Possible commands:

• CTNL_MSG_TIMEOUT_NEW: new conntrack timeout object.
• CTNL_MSG_TIMEOUT_GET: get conntrack timeout object.
• CTNL_MSG_TIMEOUT_DEL: delete conntrack timeout object.

Definition at line 481 of file libnetfilter_cttimeout.c.

void nfct_timeout_nlmsg_build_payload	(	struct nlmsghdr *	nlh,
		const struct nfct_timeout *	t
	)

nfct_timeout_nlmsg_build_payload - build payload from ct timeout object

Parameters:

nlh,:	netlink message that you want to use to add the payload.
t,:	pointer to a conntrack timeout object

Definition at line 507 of file libnetfilter_cttimeout.c.

int nfct_timeout_nlmsg_parse_payload	(	const struct nlmsghdr *	nlh,
		struct nfct_timeout *	t
	)

nfct_timeout_nlmsg_parse_payload - set timeout object attributes from message

Parameters:

nlh,:	netlink message that you want to use to add the payload.
t,:	pointer to a conntrack timeout object

This function returns -1 in case that some mandatory attributes are missing. On sucess, it returns 0.

Definition at line 633 of file libnetfilter_cttimeout.c.