xref: /openbmc/linux/net/mac802154/mac_cmd.c (revision d2999e1b)
1 /*
2  * MAC commands interface
3  *
4  * Copyright 2007-2012 Siemens AG
5  *
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.
9  *
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.
14  *
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.
18  *
19  * Written by:
20  * Sergey Lapin <slapin@ossfans.org>
21  * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
22  * Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
23  */
24 
25 #include <linux/skbuff.h>
26 #include <linux/if_arp.h>
27 
28 #include <net/ieee802154.h>
29 #include <net/ieee802154_netdev.h>
30 #include <net/wpan-phy.h>
31 #include <net/mac802154.h>
32 #include <net/nl802154.h>
33 
34 #include "mac802154.h"
35 
36 static int mac802154_mlme_start_req(struct net_device *dev,
37 				    struct ieee802154_addr *addr,
38 				    u8 channel, u8 page,
39 				    u8 bcn_ord, u8 sf_ord,
40 				    u8 pan_coord, u8 blx,
41 				    u8 coord_realign)
42 {
43 	struct ieee802154_mlme_ops *ops = ieee802154_mlme_ops(dev);
44 	int rc = 0;
45 
46 	BUG_ON(addr->mode != IEEE802154_ADDR_SHORT);
47 
48 	mac802154_dev_set_pan_id(dev, addr->pan_id);
49 	mac802154_dev_set_short_addr(dev, addr->short_addr);
50 	mac802154_dev_set_ieee_addr(dev);
51 	mac802154_dev_set_page_channel(dev, page, channel);
52 
53 	if (ops->llsec) {
54 		struct ieee802154_llsec_params params;
55 		int changed = 0;
56 
57 		params.coord_shortaddr = addr->short_addr;
58 		changed |= IEEE802154_LLSEC_PARAM_COORD_SHORTADDR;
59 
60 		params.pan_id = addr->pan_id;
61 		changed |= IEEE802154_LLSEC_PARAM_PAN_ID;
62 
63 		params.hwaddr = ieee802154_devaddr_from_raw(dev->dev_addr);
64 		changed |= IEEE802154_LLSEC_PARAM_HWADDR;
65 
66 		params.coord_hwaddr = params.hwaddr;
67 		changed |= IEEE802154_LLSEC_PARAM_COORD_HWADDR;
68 
69 		rc = ops->llsec->set_params(dev, &params, changed);
70 	}
71 
72 	/* FIXME: add validation for unused parameters to be sane
73 	 * for SoftMAC
74 	 */
75 	ieee802154_nl_start_confirm(dev, IEEE802154_SUCCESS);
76 
77 	return rc;
78 }
79 
80 static struct wpan_phy *mac802154_get_phy(const struct net_device *dev)
81 {
82 	struct mac802154_sub_if_data *priv = netdev_priv(dev);
83 
84 	BUG_ON(dev->type != ARPHRD_IEEE802154);
85 
86 	return to_phy(get_device(&priv->hw->phy->dev));
87 }
88 
89 static struct ieee802154_llsec_ops mac802154_llsec_ops = {
90 	.get_params = mac802154_get_params,
91 	.set_params = mac802154_set_params,
92 	.add_key = mac802154_add_key,
93 	.del_key = mac802154_del_key,
94 	.add_dev = mac802154_add_dev,
95 	.del_dev = mac802154_del_dev,
96 	.add_devkey = mac802154_add_devkey,
97 	.del_devkey = mac802154_del_devkey,
98 	.add_seclevel = mac802154_add_seclevel,
99 	.del_seclevel = mac802154_del_seclevel,
100 	.lock_table = mac802154_lock_table,
101 	.get_table = mac802154_get_table,
102 	.unlock_table = mac802154_unlock_table,
103 };
104 
105 struct ieee802154_reduced_mlme_ops mac802154_mlme_reduced = {
106 	.get_phy = mac802154_get_phy,
107 };
108 
109 struct ieee802154_mlme_ops mac802154_mlme_wpan = {
110 	.get_phy = mac802154_get_phy,
111 	.start_req = mac802154_mlme_start_req,
112 	.get_pan_id = mac802154_dev_get_pan_id,
113 	.get_short_addr = mac802154_dev_get_short_addr,
114 	.get_dsn = mac802154_dev_get_dsn,
115 
116 	.llsec = &mac802154_llsec_ops,
117 
118 	.set_mac_params = mac802154_set_mac_params,
119 	.get_mac_params = mac802154_get_mac_params,
120 };
121