xref: /aosp_15_r20/external/libnl/src/lib/nh.c (revision 4dc78e53d49367fa8e61b07018507c90983a077d)
1 /* SPDX-License-Identifier: LGPL-2.1-only */
2 /*
3  * Copyright (c) 2022 Stanislav Zaikin <[email protected]>
4  */
5 
6 /**
7  * @ingroup cli
8  * @defgroup cli_nh nhs
9  *
10  * @{
11  */
12 
13 #include "nl-default.h"
14 
15 #include <linux/if.h>
16 
17 #include <netlink/cli/utils.h>
18 #include <netlink/cli/nh.h>
19 #include <netlink/route/nh.h>
20 
nl_cli_nh_alloc(void)21 struct rtnl_nh *nl_cli_nh_alloc(void)
22 {
23 	struct rtnl_nh *nh;
24 
25 	nh = rtnl_nh_alloc();
26 	if (!nh)
27 		nl_cli_fatal(ENOMEM, "Unable to allocate nh object");
28 
29 	return nh;
30 }
31 
nl_cli_nh_alloc_cache_family_flags(struct nl_sock * sock,int family,unsigned int flags)32 struct nl_cache *nl_cli_nh_alloc_cache_family_flags(struct nl_sock *sock,
33 						    int family,
34 						    unsigned int flags)
35 {
36 	struct nl_cache *cache;
37 	int err;
38 
39 	if ((err = rtnl_nh_alloc_cache(sock, family, &cache)) < 0)
40 		nl_cli_fatal(err, "Unable to allocate nh cache: %s",
41 			     nl_geterror(err));
42 
43 	nl_cache_mngt_provide(cache);
44 
45 	return cache;
46 }
47 
nl_cli_nh_alloc_cache_family(struct nl_sock * sock,int family)48 struct nl_cache *nl_cli_nh_alloc_cache_family(struct nl_sock *sock, int family)
49 {
50 	return nl_cli_nh_alloc_cache_family_flags(sock, family, 0);
51 }
52 
nl_cli_nh_alloc_cache(struct nl_sock * sock)53 struct nl_cache *nl_cli_nh_alloc_cache(struct nl_sock *sock)
54 {
55 	return nl_cli_nh_alloc_cache_family(sock, AF_UNSPEC);
56 }
57 
nl_cli_nh_alloc_cache_flags(struct nl_sock * sock,unsigned int flags)58 struct nl_cache *nl_cli_nh_alloc_cache_flags(struct nl_sock *sock,
59 					     unsigned int flags)
60 {
61 	return nl_cli_nh_alloc_cache_family_flags(sock, AF_UNSPEC, flags);
62 }
63 
64 /** @} */
65