libnl: /data/src/libnl/include/netlink/route/nh.h Source File

libnl 3.12.0

nh.h
1/* SPDX-License-Identifier: LGPL-2.1-only */
2/*
3 * Copyright (c) 2022 Stanislav Zaikin <zstaseg@gmail.com>
4 */
5
6#ifndef NETLINK_ROUTE_NEXTHOP2_H_
7#define NETLINK_ROUTE_NEXTHOP2_H_
8
9#include <netlink/netlink.h>
10#include <netlink/addr.h>
11
12#ifdef __cplusplus
13extern "C" {
14#endif
15
16struct rtnl_nh;
17
18 typedef struct nl_nh_group_info {
19 uint32_t nh_id; /*!< nexthop id */
20 uint8_t weight; /*!< weight in nexthop group */
21} nl_nh_group_info_t;
22
23 typedef struct nl_nh_group {
24 int ce_refcnt;
25 unsigned size;
26 nl_nh_group_info_t *entries;
27} nl_nh_group_t;
28
29extern int rtnl_nh_alloc_cache(struct nl_sock *sk, int family,
30 struct nl_cache **result);
31extern struct rtnl_nh *rtnl_nh_alloc(void);
32extern int rtnl_nh_add(struct nl_sock *sk, struct rtnl_nh *nh, int flags);
33extern void rtnl_nh_put(struct rtnl_nh *);
34
35extern struct rtnl_nh *rtnl_nh_get(struct nl_cache *cache, int nhid);
36
37extern int rtnl_nh_set_gateway(struct rtnl_nh *, struct nl_addr *);
38extern struct nl_addr *rtnl_nh_get_gateway(struct rtnl_nh *);
39
40extern int rtnl_nh_set_fdb(struct rtnl_nh *, int value);
41extern int rtnl_nh_get_fdb(struct rtnl_nh *);
42
43extern int rtnl_nh_get_group_entry(struct rtnl_nh *, int n);
44extern int rtnl_nh_get_group_size(struct rtnl_nh *);
45
46extern int rtnl_nh_set_group(struct rtnl_nh *,
47 const nl_nh_group_info_t *entries, unsigned size);
48
49extern int rtnl_nh_set_id(struct rtnl_nh *, uint32_t id);
50extern int rtnl_nh_get_id(struct rtnl_nh *);
51extern int rtnl_nh_set_oif(struct rtnl_nh *, uint32_t ifindex);
52extern int rtnl_nh_get_oif(struct rtnl_nh *);
53
54extern int rtnl_nh_set_family(struct rtnl_nh *, uint8_t family);
55extern int rtnl_nh_get_family(struct rtnl_nh *);
56
57extern int rtnl_nh_set_group_type(struct rtnl_nh *, uint16_t group_type);
58extern int rtnl_nh_get_group_type(struct rtnl_nh *);
59
60/* Resilient nexthop group specific setters/getters */
61extern int rtnl_nh_set_res_group_bucket_size(struct rtnl_nh *,
62 uint16_t buckets);
63extern int rtnl_nh_get_res_group_bucket_size(struct rtnl_nh *);
64
65extern int rtnl_nh_set_res_group_idle_timer(struct rtnl_nh *,
66 uint32_t idle_timer);
67extern int rtnl_nh_get_res_group_idle_timer(struct rtnl_nh *,
68 uint32_t *out_value);
69
70extern int rtnl_nh_set_res_group_unbalanced_timer(struct rtnl_nh *,
71 uint32_t unbalanced_timer);
72extern int rtnl_nh_get_res_group_unbalanced_timer(struct rtnl_nh *,
73 uint32_t *out_value);
74
75/* lwtunnel encapsulation */
76struct rtnl_nh_encap;
77extern int rtnl_nh_set_encap(struct rtnl_nh *, struct rtnl_nh_encap *);
78extern struct rtnl_nh_encap *rtnl_nh_get_encap(struct rtnl_nh *);
79
80#ifdef __cplusplus
81}
82#endif
83
84#endif
nl_nh_group_info
Definition nh.h:18
nl_nh_group_info::nh_id
uint32_t nh_id
Definition nh.h:19
nl_nh_group_info::weight
uint8_t weight
Definition nh.h:20
nl_nh_group
Definition nh.h:23
rtnl_nh_encap
Definition nl-route.h:79