FreeBSD/Linux Kernel Cross Reference
sys/netpfil/pf/pf_nv.h
1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2021 Rubicon Communications, LLC (Netgate)
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 */
28 #ifndef _PF_NV_H_
29 #define _PF_NV_H_
30
31 #include <sys/nv.h>
32 #include <sys/sdt.h>
33 #include <sys/socket.h>
34 #include <sys/types.h>
35
36 #include <net/if.h>
37 #include <net/if_var.h>
38 #include <net/pfvar.h>
39
40 SDT_PROBE_DECLARE(pf, ioctl, function, error);
41 SDT_PROBE_DECLARE(pf, ioctl, nvchk, error);
42
43 #define ERROUT_FUNCTION(target, x) \
44 do { \
45 error = (x); \
46 SDT_PROBE3(pf, ioctl, function, error, __func__, error, \
47 __LINE__); \
48 goto target; \
49 } while (0)
50
51 #define PFNV_CHK(x) do { \
52 error = (x); \
53 SDT_PROBE2(pf, ioctl, nvchk, error, error, __LINE__); \
54 if (error != 0) \
55 goto errout; \
56 } while (0)
57
58 #define PF_NV_DEF_UINT(fnname, type, max) \
59 int pf_nv ## fnname ## _opt(const nvlist_t *, const char *, \
60 type *, type); \
61 int pf_nv ## fnname(const nvlist_t *, const char *, type *); \
62 int pf_nv ## fnname ## _array(const nvlist_t *, const char *, \
63 type *,size_t, size_t *); \
64 void pf_ ## fnname ## _array_nv(nvlist_t *, const char *, \
65 const type *, size_t);
66
67 PF_NV_DEF_UINT(uint8, uint8_t, UINT8_MAX);
68 PF_NV_DEF_UINT(uint16, uint16_t, UINT16_MAX);
69 PF_NV_DEF_UINT(uint32, uint32_t, UINT32_MAX);
70 PF_NV_DEF_UINT(uint64, uint64_t, UINT64_MAX);
71
72 int pf_nvbool(const nvlist_t *, const char *, bool *);
73 int pf_nvbinary(const nvlist_t *, const char *, void *, size_t);
74 int pf_nvint(const nvlist_t *, const char *, int *);
75 int pf_nvstring(const nvlist_t *, const char *, char *, size_t);
76
77 /* Translation functions */
78
79 int pf_check_rule_addr(const struct pf_rule_addr *);
80
81 nvlist_t *pf_krule_to_nvrule(struct pf_krule *);
82 int pf_nvrule_to_krule(const nvlist_t *, struct pf_krule *);
83 int pf_nvstate_kill_to_kstate_kill(const nvlist_t *,
84 struct pf_kstate_kill *);
85 nvlist_t *pf_state_to_nvstate(const struct pf_kstate *);
86
87 nvlist_t *pf_keth_rule_to_nveth_rule(const struct pf_keth_rule *);
88 int pf_nveth_rule_to_keth_rule(const nvlist_t *, struct pf_keth_rule *);
89 #endif
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