1 /* SPDX-License-Identifier: LGPL-2.1-only */
2 /*
3 * Copyright (c) 2008-2010 Thomas Graf <[email protected]>
4 */
5
6 /**
7 * @ingroup cli
8 * @defgroup cli_link Links
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/link.h>
19
nl_cli_link_alloc(void)20 struct rtnl_link *nl_cli_link_alloc(void)
21 {
22 struct rtnl_link *link;
23
24 link = rtnl_link_alloc();
25 if (!link)
26 nl_cli_fatal(ENOMEM, "Unable to allocate link object");
27
28 return link;
29 }
30
nl_cli_link_alloc_cache_family_flags(struct nl_sock * sock,int family,unsigned int flags)31 struct nl_cache *nl_cli_link_alloc_cache_family_flags(struct nl_sock *sock,
32 int family,
33 unsigned int flags)
34 {
35 struct nl_cache *cache;
36 int err;
37
38 if ((err = rtnl_link_alloc_cache_flags(sock, family, &cache, flags)) < 0)
39 nl_cli_fatal(err, "Unable to allocate link cache: %s",
40 nl_geterror(err));
41
42 nl_cache_mngt_provide(cache);
43
44 return cache;
45 }
46
nl_cli_link_alloc_cache_family(struct nl_sock * sock,int family)47 struct nl_cache *nl_cli_link_alloc_cache_family(struct nl_sock *sock, int family)
48 {
49 return nl_cli_link_alloc_cache_family_flags(sock, family, 0);
50 }
51
nl_cli_link_alloc_cache(struct nl_sock * sock)52 struct nl_cache *nl_cli_link_alloc_cache(struct nl_sock *sock)
53 {
54 return nl_cli_link_alloc_cache_family(sock, AF_UNSPEC);
55 }
56
nl_cli_link_alloc_cache_flags(struct nl_sock * sock,unsigned int flags)57 struct nl_cache *nl_cli_link_alloc_cache_flags(struct nl_sock *sock,
58 unsigned int flags)
59 {
60 return nl_cli_link_alloc_cache_family_flags(sock, AF_UNSPEC, flags);
61 }
62
nl_cli_link_parse_family(struct rtnl_link * link,char * arg)63 void nl_cli_link_parse_family(struct rtnl_link *link, char *arg)
64 {
65 int family;
66
67 if ((family = nl_str2af(arg)) < 0)
68 nl_cli_fatal(EINVAL,
69 "Unable to translate address family \"%s\"", arg);
70
71 rtnl_link_set_family(link, family);
72 }
73
nl_cli_link_parse_name(struct rtnl_link * link,char * arg)74 void nl_cli_link_parse_name(struct rtnl_link *link, char *arg)
75 {
76 rtnl_link_set_name(link, arg);
77 }
78
nl_cli_link_parse_mtu(struct rtnl_link * link,char * arg)79 void nl_cli_link_parse_mtu(struct rtnl_link *link, char *arg)
80 {
81 uint32_t mtu = nl_cli_parse_u32(arg);
82 rtnl_link_set_mtu(link, mtu);
83 }
84
nl_cli_link_parse_ifindex(struct rtnl_link * link,char * arg)85 void nl_cli_link_parse_ifindex(struct rtnl_link *link, char *arg)
86 {
87 uint32_t index = nl_cli_parse_u32(arg);
88 rtnl_link_set_ifindex(link, index);
89 }
90
nl_cli_link_parse_txqlen(struct rtnl_link * link,char * arg)91 void nl_cli_link_parse_txqlen(struct rtnl_link *link, char *arg)
92 {
93 uint32_t qlen = nl_cli_parse_u32(arg);
94 rtnl_link_set_txqlen(link, qlen);
95 }
96
nl_cli_link_parse_weight(struct rtnl_link * link,char * arg)97 void nl_cli_link_parse_weight(struct rtnl_link *link, char *arg)
98 {
99 }
100
nl_cli_link_parse_ifalias(struct rtnl_link * link,char * arg)101 void nl_cli_link_parse_ifalias(struct rtnl_link *link, char *arg)
102 {
103 if (strlen(arg) > IFALIASZ)
104 nl_cli_fatal(ERANGE,
105 "Link ifalias too big, must not exceed %u in length.",
106 IFALIASZ);
107
108 rtnl_link_set_ifalias(link, arg);
109 }
110
111 /** @} */
112