1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2023 Alexander V. Chernikov <melifaro@FreeBSD.org>
5 * Copyright (c) 2023 Rubicon Communications, LLC (Netgate)
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 */
29
30#ifndef _NETPFIL_PF_PF_NL_H_
31#define _NETPFIL_PF_PF_NL_H_
32
33/* Genetlink family */
34#define PFNL_FAMILY_NAME	"pfctl"
35
36/* available commands */
37enum {
38	PFNL_CMD_UNSPEC = 0,
39	PFNL_CMD_GETSTATES = 1,
40	PFNL_CMD_GETCREATORS = 2,
41	PFNL_CMD_START = 3,
42	PFNL_CMD_STOP = 4,
43	PFNL_CMD_ADDRULE = 5,
44	PFNL_CMD_GETRULES = 6,
45	PFNL_CMD_GETRULE = 7,
46	PFNL_CMD_CLRSTATES = 8,
47	PFNL_CMD_KILLSTATES = 9,
48	PFNL_CMD_SET_STATUSIF = 10,
49	PFNL_CMD_GET_STATUS = 11,
50	PFNL_CMD_CLEAR_STATUS = 12,
51	PFNL_CMD_NATLOOK = 13,
52	PFNL_CMD_SET_DEBUG = 14,
53	__PFNL_CMD_MAX,
54};
55#define PFNL_CMD_MAX (__PFNL_CMD_MAX -1)
56
57enum pfstate_key_type_t {
58	PF_STK_UNSPEC,
59	PF_STK_ADDR0		= 1, /* ip */
60	PF_STK_ADDR1		= 2, /* ip */
61	PF_STK_PORT0		= 3, /* u16 */
62	PF_STK_PORT1		= 4, /* u16 */
63};
64
65enum pfstate_peer_type_t {
66	PF_STP_UNSPEC,
67	PF_STP_PFSS_FLAGS	= 1, /* u16 */
68	PF_STP_PFSS_TTL		= 2, /* u8 */
69	PF_STP_SCRUB_FLAG	= 3, /* u8 */
70	PF_STP_PFSS_TS_MOD	= 4, /* u32 */
71	PF_STP_SEQLO		= 5, /* u32 */
72	PF_STP_SEQHI		= 6, /* u32 */
73	PF_STP_SEQDIFF		= 7, /* u32 */
74	PF_STP_MAX_WIN		= 8, /* u16 */
75	PF_STP_MSS		= 9, /* u16 */
76	PF_STP_STATE		= 10, /* u8 */
77	PF_STP_WSCALE		= 11, /* u8 */
78};
79
80enum pfstate_type_t {
81	PF_ST_UNSPEC,
82	PF_ST_ID		= 1, /* u32, state id */
83	PF_ST_CREATORID		= 2, /* u32, */
84	PF_ST_IFNAME		= 3, /* string */
85	PF_ST_ORIG_IFNAME	= 4, /* string */
86	PF_ST_KEY_WIRE		= 5, /* nested, pfstate_key_type_t */
87	PF_ST_KEY_STACK		= 6, /* nested, pfstate_key_type_t */
88	PF_ST_PEER_SRC		= 7, /* nested, pfstate_peer_type_t*/
89	PF_ST_PEER_DST		= 8, /* nested, pfstate_peer_type_t */
90	PF_ST_RT_ADDR		= 9, /* ip */
91	PF_ST_RULE		= 10, /* u32 */
92	PF_ST_ANCHOR		= 11, /* u32 */
93	PF_ST_NAT_RULE		= 12, /* u32 */
94	PF_ST_CREATION		= 13, /* u32 */
95	PF_ST_EXPIRE		= 14, /* u32 */
96	PF_ST_PACKETS0		= 15, /* u64 */
97	PF_ST_PACKETS1		= 16, /* u64 */
98	PF_ST_BYTES0		= 17, /* u64 */
99	PF_ST_BYTES1		= 18, /* u64 */
100	PF_ST_AF		= 19, /* u8 */
101	PF_ST_PROTO		= 21, /* u8 */
102	PF_ST_DIRECTION		= 22, /* u8 */
103	PF_ST_LOG		= 23, /* u8 */
104	PF_ST_TIMEOUT		= 24, /* u8 */
105	PF_ST_STATE_FLAGS	= 25, /* u8 */
106	PF_ST_SYNC_FLAGS	= 26, /* u8 */
107	PF_ST_UPDATES		= 27, /* u8 */
108	PF_ST_VERSION		= 28, /* u64 */
109	PF_ST_FILTER_ADDR	= 29, /* in6_addr */
110	PF_ST_FILTER_MASK	= 30, /* in6_addr */
111	PF_ST_RTABLEID		= 31, /* i32 */
112	PF_ST_MIN_TTL		= 32, /* u8 */
113	PF_ST_MAX_MSS		= 33, /* u16 */
114	PF_ST_DNPIPE		= 34, /* u16 */
115	PF_ST_DNRPIPE		= 35, /* u16 */
116	PF_ST_RT		= 36, /* u8 */
117	PF_ST_RT_IFNAME		= 37, /* string */
118};
119
120enum pf_addr_type_t {
121	PF_AT_UNSPEC,
122	PF_AT_ADDR		= 1, /* in6_addr */
123	PF_AT_MASK		= 2, /* in6_addr */
124	PF_AT_IFNAME		= 3, /* string */
125	PF_AT_TABLENAME		= 4, /* string */
126	PF_AT_TYPE		= 5, /* u8 */
127	PF_AT_IFLAGS		= 6, /* u8 */
128	PF_AT_TBLCNT		= 7, /* u32 */
129	PF_AT_DYNCNT		= 8, /* u32 */
130};
131
132enum pfrule_addr_type_t {
133	PF_RAT_UNSPEC,
134	PF_RAT_ADDR		= 1, /* nested, pf_addr_type_t */
135	PF_RAT_SRC_PORT		= 2, /* u16 */
136	PF_RAT_DST_PORT		= 3, /* u16 */
137	PF_RAT_NEG		= 4, /* u8 */
138	PF_RAT_OP		= 5, /* u8 */
139};
140
141enum pf_labels_type_t {
142	PF_LT_UNSPEC,
143	PF_LT_LABEL		= 1, /* string */
144};
145
146enum pf_mape_portset_type_t
147{
148	PF_MET_UNSPEC,
149	PF_MET_OFFSET		= 1, /* u8 */
150	PF_MET_PSID_LEN		= 2, /* u8 */
151	PF_MET_PSID		= 3, /* u16 */
152};
153
154enum pf_rpool_type_t
155{
156	PF_PT_UNSPEC,
157	PF_PT_KEY		= 1, /* bytes, sizeof(struct pf_poolhashkey) */
158	PF_PT_COUNTER		= 2, /* in6_addr */
159	PF_PT_TBLIDX		= 3, /* u32 */
160	PF_PT_PROXY_SRC_PORT	= 4, /* u16 */
161	PF_PT_PROXY_DST_PORT	= 5, /* u16 */
162	PF_PT_OPTS		= 6, /* u8 */
163	PF_PT_MAPE		= 7, /* nested, pf_mape_portset_type_t */
164};
165
166enum pf_timeout_type_t {
167	PF_TT_UNSPEC,
168	PF_TT_TIMEOUT		= 1, /* u32 */
169};
170
171enum pf_rule_uid_type_t {
172	PF_RUT_UNSPEC,
173	PF_RUT_UID_LOW		= 1, /* u32 */
174	PF_RUT_UID_HIGH		= 2, /* u32 */
175	PF_RUT_OP		= 3, /* u8 */
176};
177
178enum pf_rule_type_t {
179	PF_RT_UNSPEC,
180	PF_RT_SRC		= 1, /* nested, pf_rule_addr_type_t */
181	PF_RT_DST		= 2, /* nested, pf_rule_addr_type_t */
182	PF_RT_RIDENTIFIER	= 3, /* u32 */
183	PF_RT_LABELS		= 4, /* nested, pf_labels_type_t */
184	PF_RT_IFNAME		= 5, /* string */
185	PF_RT_QNAME		= 6, /* string */
186	PF_RT_PQNAME		= 7, /* string */
187	PF_RT_TAGNAME		= 8, /* string */
188	PF_RT_MATCH_TAGNAME	= 9, /* string */
189	PF_RT_OVERLOAD_TBLNAME	= 10, /* string */
190	PF_RT_RPOOL		= 11, /* nested, pf_rpool_type_t */
191	PF_RT_OS_FINGERPRINT	= 12, /* u32 */
192	PF_RT_RTABLEID		= 13, /* u32 */
193	PF_RT_TIMEOUT		= 14, /* nested, pf_timeout_type_t */
194	PF_RT_MAX_STATES	= 15, /* u32 */
195	PF_RT_MAX_SRC_NODES	= 16, /* u32 */
196	PF_RT_MAX_SRC_STATES	= 17, /* u32 */
197	PF_RT_MAX_SRC_CONN_RATE_LIMIT	= 18, /* u32 */
198	PF_RT_MAX_SRC_CONN_RATE_SECS	= 19, /* u32 */
199	PF_RT_DNPIPE		= 20, /* u16 */
200	PF_RT_DNRPIPE		= 21, /* u16 */
201	PF_RT_DNFLAGS		= 22, /* u32 */
202	PF_RT_NR		= 23, /* u32 */
203	PF_RT_PROB		= 24, /* u32 */
204	PF_RT_CUID		= 25, /* u32 */
205	PF_RT_CPID		= 26, /* u32 */
206	PF_RT_RETURN_ICMP	= 27, /* u16 */
207	PF_RT_RETURN_ICMP6	= 28, /* u16 */
208	PF_RT_MAX_MSS		= 29, /* u16 */
209	PF_RT_SCRUB_FLAGS	= 30, /* u16 */
210	PF_RT_UID		= 31, /* nested, pf_rule_uid_type_t */
211	PF_RT_GID		= 32, /* nested, pf_rule_uid_type_t */
212	PF_RT_RULE_FLAG		= 33, /* u32 */
213	PF_RT_ACTION		= 34, /* u8 */
214	PF_RT_DIRECTION		= 35, /* u8 */
215	PF_RT_LOG		= 36, /* u8 */
216	PF_RT_LOGIF		= 37, /* u8 */
217	PF_RT_QUICK		= 38, /* u8 */
218	PF_RT_IF_NOT		= 39, /* u8 */
219	PF_RT_MATCH_TAG_NOT	= 40, /* u8 */
220	PF_RT_NATPASS		= 41, /* u8 */
221	PF_RT_KEEP_STATE	= 42, /* u8 */
222	PF_RT_AF		= 43, /* u8 */
223	PF_RT_PROTO		= 44, /* u8 */
224	PF_RT_TYPE		= 45, /* u8 */
225	PF_RT_CODE		= 46, /* u8 */
226	PF_RT_FLAGS		= 47, /* u8 */
227	PF_RT_FLAGSET		= 48, /* u8 */
228	PF_RT_MIN_TTL		= 49, /* u8 */
229	PF_RT_ALLOW_OPTS	= 50, /* u8 */
230	PF_RT_RT		= 51, /* u8 */
231	PF_RT_RETURN_TTL	= 52, /* u8 */
232	PF_RT_TOS		= 53, /* u8 */
233	PF_RT_SET_TOS		= 54, /* u8 */
234	PF_RT_ANCHOR_RELATIVE	= 55, /* u8 */
235	PF_RT_ANCHOR_WILDCARD	= 56, /* u8 */
236	PF_RT_FLUSH		= 57, /* u8 */
237	PF_RT_PRIO		= 58, /* u8 */
238	PF_RT_SET_PRIO		= 59, /* u8 */
239	PF_RT_SET_PRIO_REPLY	= 60, /* u8 */
240	PF_RT_DIVERT_ADDRESS	= 61, /* in6_addr */
241	PF_RT_DIVERT_PORT	= 62, /* u16 */
242	PF_RT_PACKETS_IN	= 63, /* u64 */
243	PF_RT_PACKETS_OUT	= 64, /* u64 */
244	PF_RT_BYTES_IN		= 65, /* u64 */
245	PF_RT_BYTES_OUT		= 66, /* u64 */
246	PF_RT_EVALUATIONS	= 67, /* u64 */
247	PF_RT_TIMESTAMP		= 68, /* u64 */
248	PF_RT_STATES_CUR	= 69, /* u64 */
249	PF_RT_STATES_TOTAL	= 70, /* u64 */
250	PF_RT_SRC_NODES		= 71, /* u64 */
251	PF_RT_ANCHOR_CALL	= 72, /* string */
252};
253
254enum pf_addrule_type_t {
255	PF_ART_UNSPEC,
256	PF_ART_TICKET		= 1, /* u32 */
257	PF_ART_POOL_TICKET	= 2, /* u32 */
258	PF_ART_ANCHOR		= 3, /* string */
259	PF_ART_ANCHOR_CALL	= 4, /* string */
260	PF_ART_RULE		= 5, /* nested, pfrule_type_t */
261};
262
263enum pf_getrules_type_t {
264	PF_GR_UNSPEC,
265	PF_GR_ANCHOR		= 1, /* string */
266	PF_GR_ACTION		= 2, /* u8 */
267	PF_GR_NR		= 3, /* u32 */
268	PF_GR_TICKET		= 4, /* u32 */
269	PF_GR_CLEAR		= 5, /* u8 */
270};
271
272enum pf_clear_states_type_t {
273	PF_CS_UNSPEC,
274	PF_CS_CMP_ID		= 1, /* u64 */
275	PF_CS_CMP_CREATORID	= 2, /* u32 */
276	PF_CS_CMP_DIR		= 3, /* u8 */
277	PF_CS_AF		= 4, /* u8 */
278	PF_CS_PROTO		= 5, /* u8 */
279	PF_CS_SRC		= 6, /* nested, pf_addr_wrap */
280	PF_CS_DST		= 7, /* nested, pf_addr_wrap */
281	PF_CS_RT_ADDR		= 8, /* nested, pf_addr_wrap */
282	PF_CS_IFNAME		= 9, /* string */
283	PF_CS_LABEL		= 10, /* string */
284	PF_CS_KILL_MATCH	= 11, /* bool */
285	PF_CS_NAT		= 12, /* bool */
286	PF_CS_KILLED		= 13, /* u32 */
287};
288
289enum pf_set_statusif_types_t {
290	PF_SS_UNSPEC,
291	PF_SS_IFNAME		= 1, /* string */
292};
293
294enum pf_counter_types_t {
295	PF_C_UNSPEC,
296	PF_C_COUNTER		= 1, /* u64 */
297	PF_C_NAME		= 2, /* string */
298	PF_C_ID			= 3, /* u32 */
299};
300
301enum pf_get_status_types_t {
302	PF_GS_UNSPEC,
303	PF_GS_IFNAME		= 1, /* string */
304	PF_GS_RUNNING		= 2, /* bool */
305	PF_GS_SINCE		= 3, /* u32 */
306	PF_GS_DEBUG		= 4, /* u32 */
307	PF_GS_HOSTID		= 5, /* u32 */
308	PF_GS_STATES		= 6, /* u32 */
309	PF_GS_SRC_NODES		= 7, /* u32 */
310	PF_GS_REASSEMBLE	= 8, /* u32 */
311	PF_GS_SYNCOOKIES_ACTIVE	= 9, /* bool */
312	PF_GS_COUNTERS		= 10, /* nested, */
313	PF_GS_LCOUNTERS		= 11, /* nested, */
314	PF_GS_FCOUNTERS		= 12, /* nested, */
315	PF_GS_SCOUNTERS		= 13, /* nested, */
316	PF_GS_CHKSUM		= 14, /* byte array */
317	PF_GS_PCOUNTERS		= 15, /* u64 array */
318	PF_GS_BCOUNTERS		= 16, /* u64 array */
319};
320
321enum pf_natlook_types_t {
322	PF_NL_UNSPEC,
323	PF_NL_AF		= 1, /* u8 */
324	PF_NL_DIRECTION		= 2, /* u8 */
325	PF_NL_PROTO		= 3, /* u8 */
326	PF_NL_SRC_ADDR		= 4, /* in6_addr */
327	PF_NL_DST_ADDR		= 5, /* in6_addr */
328	PF_NL_SRC_PORT		= 6, /* u16 */
329	PF_NL_DST_PORT		= 7, /* u16 */
330};
331
332enum pf_set_debug_types_t {
333	PF_SD_UNSPEC,
334	PF_SD_LEVEL		= 1, /* u32 */
335};
336
337#ifdef _KERNEL
338
339void	pf_nl_register(void);
340void	pf_nl_unregister(void);
341
342#endif
343
344#endif
345