1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
/* BGP Flowspec header for utilities
* Copyright (C) 2018 6WIND
*
* FRRouting is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* FRRouting is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; see the file COPYING; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _FRR_BGP_FLOWSPEC_UTIL_H
#define _FRR_BGP_FLOWSPEC_UTIL_H
#include "zclient.h"
#define BGP_FLOWSPEC_STRING_DISPLAY_MAX 512
enum bgp_flowspec_util_nlri_t {
BGP_FLOWSPEC_VALIDATE_ONLY = 0,
BGP_FLOWSPEC_RETURN_STRING = 1,
BGP_FLOWSPEC_CONVERT_TO_NON_OPAQUE = 2,
BGP_FLOWSPEC_RETURN_JSON = 3,
};
extern int bgp_flowspec_op_decode(enum bgp_flowspec_util_nlri_t type,
uint8_t *nlri_ptr,
uint32_t max_len,
void *result, int *error);
extern int bgp_flowspec_ip_address(enum bgp_flowspec_util_nlri_t type,
uint8_t *nlri_ptr,
uint32_t max_len,
void *result, int *error,
afi_t afi, uint8_t *ipv6_offset);
extern int bgp_flowspec_bitmask_decode(enum bgp_flowspec_util_nlri_t type,
uint8_t *nlri_ptr,
uint32_t max_len,
void *result, int *error);
struct bgp_pbr_entry_main;
extern int bgp_flowspec_match_rules_fill(uint8_t *nlri_content, int len,
struct bgp_pbr_entry_main *bpem,
afi_t afi);
extern bool bgp_flowspec_contains_prefix(const struct prefix *pfs,
struct prefix *input,
int prefix_check);
extern bool bgp_flowspec_get_first_nh(struct bgp *bgp, struct bgp_path_info *pi,
struct prefix *nh, afi_t afi);
#endif /* _FRR_BGP_FLOWSPEC_UTIL_H */
|