libnl: /data/src/libnl3/src/lib/rule.c Source File

libnl 3.7.0

rule.c
1 /* SPDX-License-Identifier: LGPL-2.1-only */
2 /*
3 * Copyright (c) 2008-2009 Thomas Graf <tgraf@suug.ch>
4 */
5
6 /**
7 * @ingroup cli
8 * @defgroup cli_rule Routing Rules
9 *
10 * @{
11 */
12
13 #include <netlink/cli/utils.h>
14 #include <netlink/cli/rule.h>
15
16 struct rtnl_rule *nl_cli_rule_alloc(void)
17 {
18 struct rtnl_rule *rule;
19
20 rule = rtnl_rule_alloc();
21 if (!rule)
22 nl_cli_fatal(ENOMEM, "Unable to allocate rule object");
23
24 return rule;
25 }
26
27 struct nl_cache *nl_cli_rule_alloc_cache(struct nl_sock *sk)
28 {
29 struct nl_cache *cache;
30 int err;
31
32 if ((err = rtnl_rule_alloc_cache(sk, AF_UNSPEC, &cache)) < 0)
33 nl_cli_fatal(err, "Unable to allocate routing rule cache: %s\n",
34 nl_geterror(err));
35
36 nl_cache_mngt_provide(cache);
37
38 return cache;
39 }
40
41 void nl_cli_rule_parse_family(struct rtnl_rule *rule, char *arg)
42 {
43 int family;
44
45 if ((family = nl_str2af(arg)) != AF_UNSPEC)
46 rtnl_rule_set_family(rule, family);
47 }
48
49 /** @} */
nl_cache_mngt_provide
void nl_cache_mngt_provide(struct nl_cache *cache)
Provide a cache for global use.
Definition: cache_mngt.c:326
nl_cli_fatal
void nl_cli_fatal(int err, const char *fmt,...)
Print error message and quit application.
Definition: utils.c:71
rtnl_rule_alloc_cache
int rtnl_rule_alloc_cache(struct nl_sock *sock, int family, struct nl_cache **result)
Build a rule cache including all rules currently configured in the kernel.
Definition: rule.c:399