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
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
/*
* PBR-map Header
* Copyright (C) 2018 Cumulus Networks, Inc.
* Donald Sharp
*
* FRR 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.
*
* FRR 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 __PBR_MAP_H__
#define __PBR_MAP_H__
#include <bitfield.h>
struct pbr_map {
/*
* RB Tree of the pbr_maps
*/
RB_ENTRY(pbr_map) pbr_map_entry;
/*
* The name of the PBR_MAP
*/
#define PBR_MAP_NAMELEN 100
char name[PBR_MAP_NAMELEN];
struct list *seqnumbers;
/*
* The list of incoming interfaces that
* we will apply this policy map onto
*/
struct list *incoming;
bitfield_t ifi_bitfield;
/*
* If valid is true we think the pbr_map is valid,
* If false, look in individual pbrms to see
* what we think is the invalid reason
*/
bool valid;
};
RB_HEAD(pbr_map_entry_head, pbr_map);
RB_PROTOTYPE(pbr_map_entry_head, pbr_map, pbr_map_entry, pbr_map_compare)
struct pbr_map_interface {
uint32_t install_bit;
struct interface *ifp;
struct pbr_map *pbrm;
bool delete;
};
struct pbr_map_sequence {
struct pbr_map *parent;
/*
* The Unique identifier of this specific pbrms
*/
uint32_t unique;
/*
* The sequence of where we are for display
*/
uint32_t seqno;
/*
* The rule number to install into
*/
uint32_t ruleno;
/*
* Our policy Catchers
*/
struct prefix *src;
struct prefix *dst;
uint32_t mark;
/*
* Family of the src/dst. Needed when deleting since we clear them
*/
unsigned char family;
/*
* The nexthop group we auto create
* for when the user specifies a individual
* nexthop
*/
struct nexthop_group *nhg;
char *internal_nhg_name;
/*
* The name of the nexthop group
* configured in the pbr-map
*/
char *nhgrp_name;
/*
* Do we think are nexthops are installed
*/
bool nhs_installed;
/*
* Are we installed
*/
uint64_t installed;
/*
* A reason of 0 means we think the pbr_map_sequence is good to go
* We can accumuluate multiple failure states
*/
#define PBR_MAP_VALID_SEQUENCE_NUMBER 0
#define PBR_MAP_INVALID_NEXTHOP_GROUP (1 << 0)
#define PBR_MAP_INVALID_NEXTHOP (1 << 1)
#define PBR_MAP_INVALID_NO_NEXTHOPS (1 << 2)
#define PBR_MAP_INVALID_BOTH_NHANDGRP (1 << 3)
#define PBR_MAP_INVALID_EMPTY (1 << 4)
uint64_t reason;
QOBJ_FIELDS
};
DECLARE_QOBJ_TYPE(pbr_map_sequence)
extern struct pbr_map_entry_head pbr_maps;
extern struct pbr_map_sequence *pbrms_get(const char *name, uint32_t seqno);
extern struct pbr_map_sequence *
pbrms_lookup_unique(uint32_t unique, ifindex_t ifindex,
struct pbr_map_interface **ppmi);
extern struct pbr_map *pbrm_find(const char *name);
extern void pbr_map_delete(struct pbr_map_sequence *pbrms);
extern void pbr_map_delete_nexthop_group(struct pbr_map_sequence *pbrms);
extern void pbr_map_add_interface(struct pbr_map *pbrm, struct interface *ifp);
extern void pbr_map_interface_delete(struct pbr_map *pbrm,
struct interface *ifp);
extern void pbr_map_final_interface_deletion(struct pbr_map *pbrm,
struct pbr_map_interface *pmi);
extern void pbr_map_write_interfaces(struct vty *vty, struct interface *ifp);
extern void pbr_map_init(void);
extern bool pbr_map_check_valid(const char *name);
extern void pbr_map_check(struct pbr_map_sequence *pbrms);
extern void pbr_map_check_nh_group_change(const char *nh_group);
extern void pbr_map_reason_string(unsigned int reason, char *buf, int size);
extern void pbr_map_schedule_policy_from_nhg(const char *nh_group);
extern void pbr_map_install(struct pbr_map *pbrm);
extern void pbr_map_policy_install(const char *name);
extern void pbr_map_policy_delete(struct pbr_map *pbrm,
struct pbr_map_interface *pmi);
#endif
|
