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1201cd22 AA |
1 | /* This program is free software; you can redistribute it and/or modify |
2 | * it under the terms of the GNU General Public License version 2 | |
3 | * as published by the Free Software Foundation. | |
4 | * | |
5 | * This program is distributed in the hope that it will be useful, | |
6 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
7 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
8 | * GNU General Public License for more details. | |
9 | * | |
10 | * Authors: | |
11 | * Alexander Aring <aar@pengutronix.de> | |
12 | * | |
13 | * Based on: net/mac80211/cfg.c | |
14 | */ | |
15 | ||
d5ae67ba | 16 | #include <net/rtnetlink.h> |
1201cd22 AA |
17 | #include <net/cfg802154.h> |
18 | ||
4a9a816a | 19 | #include "ieee802154_i.h" |
ab0bd561 | 20 | #include "driver-ops.h" |
fdd2068a | 21 | #include "cfg.h" |
4a9a816a AA |
22 | |
23 | static struct net_device * | |
24 | ieee802154_add_iface_deprecated(struct wpan_phy *wpan_phy, | |
25 | const char *name, int type) | |
26 | { | |
986a8abf | 27 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); |
d5ae67ba | 28 | struct net_device *dev; |
986a8abf | 29 | |
d5ae67ba | 30 | rtnl_lock(); |
133d3f31 | 31 | dev = ieee802154_if_add(local, name, type); |
d5ae67ba AA |
32 | rtnl_unlock(); |
33 | ||
34 | return dev; | |
4a9a816a AA |
35 | } |
36 | ||
37 | static void ieee802154_del_iface_deprecated(struct wpan_phy *wpan_phy, | |
38 | struct net_device *dev) | |
39 | { | |
b210b187 AA |
40 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
41 | ||
42 | ieee802154_if_remove(sdata); | |
4a9a816a AA |
43 | } |
44 | ||
ab0bd561 | 45 | static int |
6d5fb877 | 46 | ieee802154_set_channel(struct wpan_phy *wpan_phy, u8 page, u8 channel) |
ab0bd561 AA |
47 | { |
48 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); | |
49 | int ret; | |
50 | ||
51 | ASSERT_RTNL(); | |
52 | ||
53 | /* check if phy support this setting */ | |
54 | if (!(wpan_phy->channels_supported[page] & BIT(channel))) | |
55 | return -EINVAL; | |
56 | ||
57 | ret = drv_set_channel(local, page, channel); | |
58 | if (!ret) { | |
59 | wpan_phy->current_page = page; | |
60 | wpan_phy->current_channel = channel; | |
61 | } | |
62 | ||
63 | return ret; | |
64 | } | |
65 | ||
6d5fb877 AA |
66 | static int |
67 | ieee802154_set_pan_id(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, | |
68 | u16 pan_id) | |
702bf371 AA |
69 | { |
70 | ASSERT_RTNL(); | |
71 | ||
72 | /* TODO | |
73 | * I am not sure about to check here on broadcast pan_id. | |
74 | * Broadcast is a valid setting, comment from 802.15.4: | |
75 | * If this value is 0xffff, the device is not associated. | |
76 | * | |
77 | * This could useful to simple deassociate an device. | |
78 | */ | |
79 | if (pan_id == IEEE802154_PAN_ID_BROADCAST) | |
80 | return -EINVAL; | |
81 | ||
82 | wpan_dev->pan_id = cpu_to_le16(pan_id); | |
83 | return 0; | |
84 | } | |
85 | ||
656a999e AA |
86 | static int |
87 | ieee802154_set_backoff_exponent(struct wpan_phy *wpan_phy, | |
88 | struct wpan_dev *wpan_dev, | |
6d5fb877 | 89 | u8 min_be, u8 max_be) |
656a999e AA |
90 | { |
91 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); | |
92 | ||
93 | ASSERT_RTNL(); | |
94 | ||
95 | if (!(local->hw.flags & IEEE802154_HW_CSMA_PARAMS)) | |
96 | return -EOPNOTSUPP; | |
97 | ||
98 | wpan_dev->min_be = min_be; | |
99 | wpan_dev->max_be = max_be; | |
100 | return 0; | |
101 | } | |
102 | ||
9830c62a AA |
103 | static int |
104 | ieee802154_set_short_addr(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, | |
6d5fb877 | 105 | u16 short_addr) |
9830c62a AA |
106 | { |
107 | ASSERT_RTNL(); | |
108 | ||
109 | /* TODO | |
110 | * I am not sure about to check here on broadcast short_addr. | |
111 | * Broadcast is a valid setting, comment from 802.15.4: | |
112 | * A value of 0xfffe indicates that the device has | |
113 | * associated but has not been allocated an address. A | |
114 | * value of 0xffff indicates that the device does not | |
115 | * have a short address. | |
116 | * | |
117 | * I think we should allow to set these settings but | |
118 | * don't allow to allow socket communication with it. | |
119 | */ | |
120 | if (short_addr == IEEE802154_ADDR_SHORT_UNSPEC || | |
121 | short_addr == IEEE802154_ADDR_SHORT_BROADCAST) | |
122 | return -EINVAL; | |
123 | ||
124 | wpan_dev->short_addr = cpu_to_le16(short_addr); | |
125 | return 0; | |
126 | } | |
127 | ||
6d5fb877 AA |
128 | static int |
129 | ieee802154_set_max_csma_backoffs(struct wpan_phy *wpan_phy, | |
130 | struct wpan_dev *wpan_dev, | |
131 | u8 max_csma_backoffs) | |
a01ba765 AA |
132 | { |
133 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); | |
134 | ||
135 | ASSERT_RTNL(); | |
136 | ||
137 | if (!(local->hw.flags & IEEE802154_HW_CSMA_PARAMS)) | |
138 | return -EOPNOTSUPP; | |
139 | ||
140 | wpan_dev->csma_retries = max_csma_backoffs; | |
141 | return 0; | |
142 | } | |
143 | ||
6d5fb877 AA |
144 | static int |
145 | ieee802154_set_max_frame_retries(struct wpan_phy *wpan_phy, | |
146 | struct wpan_dev *wpan_dev, | |
147 | s8 max_frame_retries) | |
17a3a46b AA |
148 | { |
149 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); | |
150 | ||
151 | ASSERT_RTNL(); | |
152 | ||
153 | if (!(local->hw.flags & IEEE802154_HW_FRAME_RETRIES)) | |
154 | return -EOPNOTSUPP; | |
155 | ||
156 | wpan_dev->frame_retries = max_frame_retries; | |
157 | return 0; | |
158 | } | |
159 | ||
6d5fb877 AA |
160 | static int |
161 | ieee802154_set_lbt_mode(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, | |
162 | bool mode) | |
c8937a1d AA |
163 | { |
164 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); | |
165 | ||
166 | ASSERT_RTNL(); | |
167 | ||
168 | if (!(local->hw.flags & IEEE802154_HW_LBT)) | |
169 | return -EOPNOTSUPP; | |
170 | ||
171 | wpan_dev->lbt = mode; | |
172 | return 0; | |
173 | } | |
174 | ||
1201cd22 | 175 | const struct cfg802154_ops mac802154_config_ops = { |
4a9a816a AA |
176 | .add_virtual_intf_deprecated = ieee802154_add_iface_deprecated, |
177 | .del_virtual_intf_deprecated = ieee802154_del_iface_deprecated, | |
ab0bd561 | 178 | .set_channel = ieee802154_set_channel, |
702bf371 | 179 | .set_pan_id = ieee802154_set_pan_id, |
9830c62a | 180 | .set_short_addr = ieee802154_set_short_addr, |
656a999e | 181 | .set_backoff_exponent = ieee802154_set_backoff_exponent, |
a01ba765 | 182 | .set_max_csma_backoffs = ieee802154_set_max_csma_backoffs, |
17a3a46b | 183 | .set_max_frame_retries = ieee802154_set_max_frame_retries, |
c8937a1d | 184 | .set_lbt_mode = ieee802154_set_lbt_mode, |
1201cd22 | 185 | }; |