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git.proxmox.com Git - mirror_frr.git/blob - pbrd/pbr_nht.h
3 * Copyright (C) 2018 Cumulus Networks, Inc.
6 * FRR is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2, or (at your option) any
11 * FRR is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with this program; see the file COPYING; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23 #include <lib/zclient.h>
24 #include <lib/nexthop_group.h>
28 #define PBR_NHC_NAMELEN PBR_MAP_NAMELEN + 10
30 struct pbr_nexthop_group_cache
{
31 char name
[PBR_NHC_NAMELEN
];
38 * If all nexthops are considered valid
45 struct pbr_nexthop_cache
{
46 struct pbr_nexthop_group_cache
*parent
;
48 struct nexthop
*nexthop
;
53 extern void pbr_nht_write_table_range(struct vty
*vty
);
54 #define PBR_NHT_DEFAULT_LOW_TABLEID 10000
55 #define PBR_NHT_DEFAULT_HIGH_TABLEID 11000
56 extern void pbr_nht_set_tableid_range(uint32_t low
, uint32_t high
);
59 * Get the next tableid to use for installation.
62 * If set to true, retrieves the next ID without marking it used. The next
63 * call will return the same ID.
65 extern uint32_t pbr_nht_get_next_tableid(bool peek
);
67 * Get the next rule number to use for installation
69 extern void pbr_nht_write_rule_range(struct vty
*vty
);
71 #define PBR_NHT_DEFAULT_LOW_RULE 300
72 #define PBR_NHT_DEFAULT_HIGH_RULE 1300
73 extern void pbr_nht_set_rule_range(uint32_t low
, uint32_t high
);
75 extern uint32_t pbr_nht_get_next_rule(uint32_t seqno
);
77 extern void pbr_nhgroup_add_cb(const char *name
);
78 extern void pbr_nhgroup_add_nexthop_cb(const struct nexthop_group_cmd
*nhg
,
79 const struct nexthop
*nhop
);
80 extern void pbr_nhgroup_del_nexthop_cb(const struct nexthop_group_cmd
*nhg
,
81 const struct nexthop
*nhop
);
82 extern void pbr_nhgroup_delete_cb(const char *name
);
84 extern bool pbr_nht_nexthop_valid(struct nexthop_group
*nhg
);
85 extern bool pbr_nht_nexthop_group_valid(const char *name
);
87 extern struct pbr_nexthop_group_cache
*pbr_nht_add_group(const char *name
);
88 extern void pbr_nht_change_group(const char *name
);
89 extern void pbr_nht_delete_group(const char *name
);
91 extern void pbr_nht_add_individual_nexthop(struct pbr_map_sequence
*pbrms
);
92 extern void pbr_nht_delete_individual_nexthop(struct pbr_map_sequence
*pbrms
);
94 * Given the tableid of the installed default
95 * route, find the nexthop-group associated with
96 * it, then find all pbr-maps that use it and
97 * install/delete them as well.
99 extern void pbr_nht_route_installed_for_table(uint32_t table_id
);
100 extern void pbr_nht_route_removed_for_table(uint32_t table_id
);
103 * Given the nexthop group name, lookup the associated
106 extern uint32_t pbr_nht_get_table(const char *name
);
108 extern bool pbr_nht_get_installed(const char *name
);
110 extern char *pbr_nht_nexthop_make_name(char *name
, size_t l
, uint32_t seqno
,
113 extern void pbr_nht_show_nexthop_group(struct vty
*vty
, const char *name
);
116 * When we get a callback from zebra about a nexthop changing
118 extern void pbr_nht_nexthop_update(struct zapi_route
*nhr
);
121 * When we get a callback from zebra about an interface status update.
123 extern void pbr_nht_nexthop_interface_update(struct interface
*ifp
);
125 extern void pbr_nht_init(void);