2 * Netlink inteface for IEEE 802.15.4 stack
4 * Copyright 2007, 2008 Siemens AG
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 * Sergey Lapin <slapin@ossfans.org>
21 * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
22 * Maxim Osipov <maxim.osipov@siemens.com>
25 #include <linux/kernel.h>
26 #include <net/genetlink.h>
27 #include <linux/nl802154.h>
29 #include "ieee802154.h"
31 static unsigned int ieee802154_seq_num;
32 static DEFINE_SPINLOCK(ieee802154_seq_lock);
34 struct genl_family nl802154_family = {
35 .id = GENL_ID_GENERATE,
37 .name = IEEE802154_NL_NAME,
39 .maxattr = IEEE802154_ATTR_MAX,
42 /* Requests to userspace */
43 struct sk_buff *ieee802154_nl_create(int flags, u8 req)
46 struct sk_buff *msg = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC);
52 spin_lock_irqsave(&ieee802154_seq_lock, f);
53 hdr = genlmsg_put(msg, 0, ieee802154_seq_num++,
54 &nl802154_family, flags, req);
55 spin_unlock_irqrestore(&ieee802154_seq_lock, f);
64 int ieee802154_nl_mcast(struct sk_buff *msg, unsigned int group)
66 /* XXX: nlh is right at the start of msg */
67 void *hdr = genlmsg_data(NLMSG_DATA(msg->data));
69 if (genlmsg_end(msg, hdr) < 0)
72 return genlmsg_multicast(msg, 0, group, GFP_ATOMIC);
78 struct sk_buff *ieee802154_nl_new_reply(struct genl_info *info,
82 struct sk_buff *msg = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC);
87 hdr = genlmsg_put_reply(msg, info,
88 &nl802154_family, flags, req);
97 int ieee802154_nl_reply(struct sk_buff *msg, struct genl_info *info)
99 /* XXX: nlh is right at the start of msg */
100 void *hdr = genlmsg_data(NLMSG_DATA(msg->data));
102 if (genlmsg_end(msg, hdr) < 0)
105 return genlmsg_reply(msg, info);
111 int __init ieee802154_nl_init(void)
115 rc = genl_register_family(&nl802154_family);
119 rc = nl802154_mac_register();
123 rc = nl802154_phy_register();
130 genl_unregister_family(&nl802154_family);
134 void __exit ieee802154_nl_exit(void)
136 genl_unregister_family(&nl802154_family);