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      1 /*
      2  * netlink/netfilter/ct.h	Conntrack
      3  *
      4  *	This library is free software; you can redistribute it and/or
      5  *	modify it under the terms of the GNU Lesser General Public
      6  *	License as published by the Free Software Foundation version 2.1
      7  *	of the License.
      8  *
      9  * Copyright (c) 2003-2008 Thomas Graf <tgraf (at) suug.ch>
     10  * Copyright (c) 2007 Philip Craig <philipc (at) snapgear.com>
     11  * Copyright (c) 2007 Secure Computing Corporation
     12  */
     13 
     14 #ifndef NETLINK_CT_H_
     15 #define NETLINK_CT_H_
     16 
     17 #include <netlink/netlink.h>
     18 #include <netlink/addr.h>
     19 #include <netlink/cache.h>
     20 #include <netlink/msg.h>
     21 
     22 #ifdef __cplusplus
     23 extern "C" {
     24 #endif
     25 
     26 struct nfnl_ct;
     27 
     28 struct nfnl_ct_timestamp {
     29 	uint64_t		start;
     30 	uint64_t		stop;
     31 };
     32 
     33 extern struct nl_object_ops ct_obj_ops;
     34 
     35 extern struct nfnl_ct *	nfnl_ct_alloc(void);
     36 extern int	nfnl_ct_alloc_cache(struct nl_sock *, struct nl_cache **);
     37 
     38 extern int	nfnlmsg_ct_group(struct nlmsghdr *);
     39 extern int	nfnlmsg_ct_parse(struct nlmsghdr *, struct nfnl_ct **);
     40 
     41 extern void	nfnl_ct_get(struct nfnl_ct *);
     42 extern void	nfnl_ct_put(struct nfnl_ct *);
     43 
     44 extern int	nfnl_ct_dump_request(struct nl_sock *);
     45 
     46 extern int	nfnl_ct_build_add_request(const struct nfnl_ct *, int,
     47 					  struct nl_msg **);
     48 extern int	nfnl_ct_add(struct nl_sock *, const struct nfnl_ct *, int);
     49 
     50 extern int	nfnl_ct_build_delete_request(const struct nfnl_ct *, int,
     51 					     struct nl_msg **);
     52 extern int	nfnl_ct_del(struct nl_sock *, const struct nfnl_ct *, int);
     53 
     54 extern int	nfnl_ct_build_query_request(const struct nfnl_ct *, int,
     55 					    struct nl_msg **);
     56 extern int	nfnl_ct_query(struct nl_sock *, const struct nfnl_ct *, int);
     57 
     58 extern void	nfnl_ct_set_family(struct nfnl_ct *, uint8_t);
     59 extern uint8_t	nfnl_ct_get_family(const struct nfnl_ct *);
     60 
     61 extern void	nfnl_ct_set_proto(struct nfnl_ct *, uint8_t);
     62 extern int	nfnl_ct_test_proto(const struct nfnl_ct *);
     63 extern uint8_t	nfnl_ct_get_proto(const struct nfnl_ct *);
     64 
     65 extern void	nfnl_ct_set_tcp_state(struct nfnl_ct *, uint8_t);
     66 extern int	nfnl_ct_test_tcp_state(const struct nfnl_ct *);
     67 extern uint8_t	nfnl_ct_get_tcp_state(const struct nfnl_ct *);
     68 extern char *	nfnl_ct_tcp_state2str(uint8_t, char *, size_t);
     69 extern int	nfnl_ct_str2tcp_state(const char *name);
     70 
     71 extern void	nfnl_ct_set_status(struct nfnl_ct *, uint32_t);
     72 extern void	nfnl_ct_unset_status(struct nfnl_ct *, uint32_t);
     73 extern int	nfnl_ct_test_status(const struct nfnl_ct *ct);
     74 extern uint32_t	nfnl_ct_get_status(const struct nfnl_ct *);
     75 extern char *	nfnl_ct_status2str(int, char *, size_t);
     76 extern int	nfnl_ct_str2status(const char *);
     77 
     78 extern void	nfnl_ct_set_timeout(struct nfnl_ct *, uint32_t);
     79 extern int	nfnl_ct_test_timeout(const struct nfnl_ct *);
     80 extern uint32_t	nfnl_ct_get_timeout(const struct nfnl_ct *);
     81 
     82 extern void	nfnl_ct_set_mark(struct nfnl_ct *, uint32_t);
     83 extern int	nfnl_ct_test_mark(const struct nfnl_ct *);
     84 extern uint32_t	nfnl_ct_get_mark(const struct nfnl_ct *);
     85 
     86 extern void	nfnl_ct_set_use(struct nfnl_ct *, uint32_t);
     87 extern int	nfnl_ct_test_use(const struct nfnl_ct *);
     88 extern uint32_t	nfnl_ct_get_use(const struct nfnl_ct *);
     89 
     90 extern void	nfnl_ct_set_id(struct nfnl_ct *, uint32_t);
     91 extern int	nfnl_ct_test_id(const struct nfnl_ct *);
     92 extern uint32_t	nfnl_ct_get_id(const struct nfnl_ct *);
     93 
     94 extern void	nfnl_ct_set_zone(struct nfnl_ct *, uint16_t);
     95 extern int	nfnl_ct_test_zone(const struct nfnl_ct *);
     96 extern uint16_t	nfnl_ct_get_zone(const struct nfnl_ct *);
     97 
     98 extern int	nfnl_ct_set_src(struct nfnl_ct *, int, struct nl_addr *);
     99 extern struct nl_addr *	nfnl_ct_get_src(const struct nfnl_ct *, int);
    100 
    101 extern int	nfnl_ct_set_dst(struct nfnl_ct *, int, struct nl_addr *);
    102 extern struct nl_addr *	nfnl_ct_get_dst(const struct nfnl_ct *, int);
    103 
    104 extern void	nfnl_ct_set_src_port(struct nfnl_ct *, int, uint16_t);
    105 extern int	nfnl_ct_test_src_port(const struct nfnl_ct *, int);
    106 extern uint16_t	nfnl_ct_get_src_port(const struct nfnl_ct *, int);
    107 
    108 extern void	nfnl_ct_set_dst_port(struct nfnl_ct *, int, uint16_t);
    109 extern int	nfnl_ct_test_dst_port(const struct nfnl_ct *, int);
    110 extern uint16_t	nfnl_ct_get_dst_port(const struct nfnl_ct *, int);
    111 
    112 extern void	nfnl_ct_set_icmp_id(struct nfnl_ct *, int, uint16_t);
    113 extern int	nfnl_ct_test_icmp_id(const struct nfnl_ct *, int);
    114 extern uint16_t	nfnl_ct_get_icmp_id(const struct nfnl_ct *, int);
    115 
    116 extern void	nfnl_ct_set_icmp_type(struct nfnl_ct *, int, uint8_t);
    117 extern int	nfnl_ct_test_icmp_type(const struct nfnl_ct *, int);
    118 extern uint8_t	nfnl_ct_get_icmp_type(const struct nfnl_ct *, int);
    119 
    120 extern void	nfnl_ct_set_icmp_code(struct nfnl_ct *, int, uint8_t);
    121 extern int	nfnl_ct_test_icmp_code(const struct nfnl_ct *, int);
    122 extern uint8_t	nfnl_ct_get_icmp_code(const struct nfnl_ct *, int);
    123 
    124 extern void	nfnl_ct_set_packets(struct nfnl_ct *, int, uint64_t);
    125 extern int	nfnl_ct_test_packets(const struct nfnl_ct *, int);
    126 extern uint64_t	nfnl_ct_get_packets(const struct nfnl_ct *,int);
    127 
    128 extern void	nfnl_ct_set_bytes(struct nfnl_ct *, int, uint64_t);
    129 extern int	nfnl_ct_test_bytes(const struct nfnl_ct *, int);
    130 extern uint64_t	nfnl_ct_get_bytes(const struct nfnl_ct *, int);
    131 
    132 extern void nfnl_ct_set_timestamp(struct nfnl_ct *, uint64_t, uint64_t);
    133 extern int nfnl_ct_test_timestamp(const struct nfnl_ct *);
    134 extern const struct nfnl_ct_timestamp *nfnl_ct_get_timestamp(const struct nfnl_ct *);
    135 
    136 #ifdef __cplusplus
    137 }
    138 #endif
    139 
    140 #endif
    141