diff options
Diffstat (limited to 'include/libnfnetlink.h')
-rw-r--r-- | include/libnfnetlink.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/libnfnetlink.h b/include/libnfnetlink.h new file mode 100644 index 0000000..944e607 --- /dev/null +++ b/include/libnfnetlink.h @@ -0,0 +1,50 @@ +/* libnfnetlink.h: Header file for generic netfilter netlink interface + * + * (C) 2002 Harald Welte <laforge@gnumonks.org> + */ + +#ifndef __LIBNFNETLINK_H +#define __LIBNFNETLINK_H + +#include <linux/types.h> +#include <linux/netlink.h> +#include <linux/netfilter/nfnetlink.h> + +#define NFNL_BUFFSIZE 8192 + +struct nfnl_handle { + int fd; + struct sockaddr_nl local; + struct sockaddr_nl peer; + u_int8_t subsys_id; + u_int32_t seq; + u_int32_t dump; +}; + +/* get a new library handle */ +extern int nfnl_open(struct nfnl_handle *, u_int8_t, unsigned int); +extern int nfnl_close(struct nfnl_handle *); +extern int nfnl_send(struct nfnl_handle *, struct nlmsghdr *); + + +extern void nfnl_fill_hdr(struct nfnl_handle *, struct nlmsghdr *, int, + u_int8_t, u_int16_t, u_int16_t); + +extern int nfnl_listen(struct nfnl_handle *, + int (*)(struct sockaddr_nl *, struct nlmsghdr *, void *), + void *); + +extern int nfnl_talk(struct nfnl_handle *, struct nlmsghdr *, pid_t, + unsigned, struct nlmsghdr *, + int (*)(struct sockaddr_nl *, struct nlmsghdr *, void *), + void *); + +/* nfnl attribute handling functions */ +extern int nfnl_addattr_l(struct nlmsghdr *, int, int, void *, int); +extern int nfnl_addattr32(struct nlmsghdr *, int, int, u_int32_t); +extern int nfnl_nfa_addattr_l(struct nfattr *, int, int, void *, int); +extern int nfnl_nfa_addattr32(struct nfattr *, int, int, u_int32_t); +extern int nfnl_parse_attr(struct nfattr **, int, struct nfattr *, int); + +extern void nfnl_dump_packet(struct nlmsghdr *, int, char *); +#endif /* __LIBNFNETLINK_H */ |