libnl  3.7.0
team.c
1 /* SPDX-License-Identifier: LGPL-2.1-only */
2 /*
3  * Copyright (c) 2015 Jonas Johansson <jonasj76@gmail.com>
4  */
5 
6 /**
7  * @ingroup link
8  * @defgroup team Team
9  *
10  * @details
11  * \b Link Type Name: "team"
12  *
13  * @route_doc{link_team, Team Documentation}
14  * @{
15  */
16 
17 #include <netlink-private/netlink.h>
18 #include <netlink/netlink.h>
19 #include <netlink-private/route/link/api.h>
20 #include <netlink/route/link/team.h>
21 
22 /**
23  * Allocate link object of type team
24  *
25  * @return Allocated link object or NULL.
26  */
28 {
29  struct rtnl_link *link;
30 
31  if (!(link = rtnl_link_alloc()))
32  return NULL;
33 
34  if (rtnl_link_set_type(link, "team") < 0) {
35  rtnl_link_put(link);
36  return NULL;
37  }
38 
39  return link;
40 }
41 
42 /**
43  * Create a new kernel team device
44  * @arg sock netlink socket
45  * @arg name name of team device or NULL
46  * @arg opts team options (currently unused)
47  *
48  * Creates a new team device in the kernel. If no name is
49  * provided, the kernel will automatically pick a name of the
50  * form "type%d" (e.g. team0, vlan1, etc.)
51  *
52  * The \a opts argument is currently unused. In the future, it
53  * may be used to carry additional team options to be set
54  * when creating the team device.
55  *
56  * @note When letting the kernel assign a name, it will become
57  * difficult to retrieve the interface afterwards because
58  * you have to guess the name the kernel has chosen. It is
59  * therefore not recommended to not provide a device name.
60  *
61  * @see rtnl_link_team_enslave()
62  * @see rtnl_link_team_release()
63  *
64  * @return 0 on success or a negative error code
65  */
66 int rtnl_link_team_add(struct nl_sock *sock, const char *name,
67  struct rtnl_link *opts)
68 {
69  struct rtnl_link *link;
70  int err;
71 
72  if (!(link = rtnl_link_team_alloc()))
73  return -NLE_NOMEM;
74 
75  if (!name && opts)
76  name = rtnl_link_get_name(opts);
77 
78  if (name)
79  rtnl_link_set_name(link, name);
80 
81  err = rtnl_link_add(sock, link, NLM_F_CREATE);
82 
83  rtnl_link_put(link);
84 
85  return err;
86 }
87 
88 static struct rtnl_link_info_ops team_info_ops = {
89  .io_name = "team",
90 };
91 
92 static void __init team_init(void)
93 {
94  rtnl_link_register_info(&team_info_ops);
95 }
96 
97 static void __exit team_exit(void)
98 {
99  rtnl_link_unregister_info(&team_info_ops);
100 }
101 
102 /** @} */
struct rtnl_link * rtnl_link_team_alloc(void)
Allocate link object of type team.
Definition: team.c:27
int rtnl_link_team_add(struct nl_sock *sock, const char *name, struct rtnl_link *opts)
Create a new kernel team device.
Definition: team.c:66