xref: /openbmc/linux/net/mac802154/mac_cmd.c (revision 0f1556bc)
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  * Written by:
16  * Sergey Lapin <slapin@ossfans.org>
17  * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
18  * Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
19  */
20 
21 #include <linux/skbuff.h>
22 #include <linux/if_arp.h>
23 
24 #include <net/ieee802154.h>
25 #include <net/ieee802154_netdev.h>
26 #include <net/wpan-phy.h>
27 #include <net/mac802154.h>
28 #include <net/nl802154.h>
29 
30 #include "ieee802154_i.h"
31 
32 static int mac802154_mlme_start_req(struct net_device *dev,
33 				    struct ieee802154_addr *addr,
34 				    u8 channel, u8 page,
35 				    u8 bcn_ord, u8 sf_ord,
36 				    u8 pan_coord, u8 blx,
37 				    u8 coord_realign)
38 {
39 	struct ieee802154_mlme_ops *ops = ieee802154_mlme_ops(dev);
40 	int rc = 0;
41 
42 	BUG_ON(addr->mode != IEEE802154_ADDR_SHORT);
43 
44 	mac802154_dev_set_pan_id(dev, addr->pan_id);
45 	mac802154_dev_set_short_addr(dev, addr->short_addr);
46 	mac802154_dev_set_ieee_addr(dev);
47 	mac802154_dev_set_page_channel(dev, page, channel);
48 
49 	if (ops->llsec) {
50 		struct ieee802154_llsec_params params;
51 		int changed = 0;
52 
53 		params.coord_shortaddr = addr->short_addr;
54 		changed |= IEEE802154_LLSEC_PARAM_COORD_SHORTADDR;
55 
56 		params.pan_id = addr->pan_id;
57 		changed |= IEEE802154_LLSEC_PARAM_PAN_ID;
58 
59 		params.hwaddr = ieee802154_devaddr_from_raw(dev->dev_addr);
60 		changed |= IEEE802154_LLSEC_PARAM_HWADDR;
61 
62 		params.coord_hwaddr = params.hwaddr;
63 		changed |= IEEE802154_LLSEC_PARAM_COORD_HWADDR;
64 
65 		rc = ops->llsec->set_params(dev, &params, changed);
66 	}
67 
68 	/* FIXME: add validation for unused parameters to be sane
69 	 * for SoftMAC
70 	 */
71 	ieee802154_nl_start_confirm(dev, IEEE802154_SUCCESS);
72 
73 	return rc;
74 }
75 
76 static struct wpan_phy *mac802154_get_phy(const struct net_device *dev)
77 {
78 	struct mac802154_sub_if_data *priv = netdev_priv(dev);
79 
80 	BUG_ON(dev->type != ARPHRD_IEEE802154);
81 
82 	return to_phy(get_device(&priv->hw->phy->dev));
83 }
84 
85 static struct ieee802154_llsec_ops mac802154_llsec_ops = {
86 	.get_params = mac802154_get_params,
87 	.set_params = mac802154_set_params,
88 	.add_key = mac802154_add_key,
89 	.del_key = mac802154_del_key,
90 	.add_dev = mac802154_add_dev,
91 	.del_dev = mac802154_del_dev,
92 	.add_devkey = mac802154_add_devkey,
93 	.del_devkey = mac802154_del_devkey,
94 	.add_seclevel = mac802154_add_seclevel,
95 	.del_seclevel = mac802154_del_seclevel,
96 	.lock_table = mac802154_lock_table,
97 	.get_table = mac802154_get_table,
98 	.unlock_table = mac802154_unlock_table,
99 };
100 
101 struct ieee802154_reduced_mlme_ops mac802154_mlme_reduced = {
102 	.get_phy = mac802154_get_phy,
103 };
104 
105 struct ieee802154_mlme_ops mac802154_mlme_wpan = {
106 	.get_phy = mac802154_get_phy,
107 	.start_req = mac802154_mlme_start_req,
108 	.get_pan_id = mac802154_dev_get_pan_id,
109 	.get_short_addr = mac802154_dev_get_short_addr,
110 	.get_dsn = mac802154_dev_get_dsn,
111 
112 	.llsec = &mac802154_llsec_ops,
113 
114 	.set_mac_params = mac802154_set_mac_params,
115 	.get_mac_params = mac802154_get_mac_params,
116 };
117