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git.proxmox.com Git - mirror_lxc.git/blob - src/lxc/rtnl.c
2 * lxc: linux Container library
4 * (C) Copyright IBM Corp. 2007, 2008
7 * Daniel Lezcano <daniel.lezcano at free.fr>
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
28 #include <linux/netlink.h>
29 #include <linux/rtnetlink.h>
33 #include <sys/socket.h>
40 extern int rtnetlink_open(struct rtnl_handler
*handler
)
42 return netlink_open(&handler
->nlh
, NETLINK_ROUTE
);
45 extern int rtnetlink_close(struct rtnl_handler
*handler
)
47 return netlink_close(&handler
->nlh
);
50 #pragma GCC diagnostic push
51 #pragma GCC diagnostic ignored "-Wcast-align"
53 extern int rtnetlink_rcv(struct rtnl_handler
*handler
, struct rtnlmsg
*rtnlmsg
)
55 return netlink_rcv(&handler
->nlh
, (struct nlmsg
*)&rtnlmsg
->nlmsghdr
);
58 extern int rtnetlink_send(struct rtnl_handler
*handler
, struct rtnlmsg
*rtnlmsg
)
61 return netlink_send(&handler
->nlh
, (struct nlmsg
*)&rtnlmsg
->nlmsghdr
);
64 extern int rtnetlink_transaction(struct rtnl_handler
*handler
,
65 struct rtnlmsg
*request
,
66 struct rtnlmsg
*answer
)
68 return netlink_transaction(&handler
->nlh
,
69 (struct nlmsg
*)&request
->nlmsghdr
,
70 (struct nlmsg
*)&answer
->nlmsghdr
);
73 #pragma GCC diagnostic pop
75 extern struct rtnlmsg
*rtnlmsg_alloc(size_t size
)
80 len = NLMSG_LENGTH(NLMSG_ALIGN(sizeof(struct rtnlmsghdr))) + size;
81 return (struct rtnlmsg *)nlmsg_alloc(len);
87 extern void rtnlmsg_free(struct rtnlmsg
*rtnlmsg
) { free(rtnlmsg
); }