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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(); |
0e57547e AA |
31 | dev = ieee802154_if_add(local, name, type, |
32 | cpu_to_le64(0x0000000000000000ULL)); | |
d5ae67ba AA |
33 | rtnl_unlock(); |
34 | ||
35 | return dev; | |
4a9a816a AA |
36 | } |
37 | ||
38 | static void ieee802154_del_iface_deprecated(struct wpan_phy *wpan_phy, | |
39 | struct net_device *dev) | |
40 | { | |
b210b187 AA |
41 | struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); |
42 | ||
43 | ieee802154_if_remove(sdata); | |
4a9a816a AA |
44 | } |
45 | ||
f3ea5e44 AA |
46 | static int |
47 | ieee802154_add_iface(struct wpan_phy *phy, const char *name, | |
0e57547e | 48 | enum nl802154_iftype type, __le64 extended_addr) |
f3ea5e44 AA |
49 | { |
50 | struct ieee802154_local *local = wpan_phy_priv(phy); | |
51 | struct net_device *err; | |
52 | ||
0e57547e | 53 | err = ieee802154_if_add(local, name, type, extended_addr); |
f3ea5e44 AA |
54 | if (IS_ERR(err)) |
55 | return PTR_ERR(err); | |
56 | ||
57 | return 0; | |
58 | } | |
59 | ||
b821ecd4 AA |
60 | static int |
61 | ieee802154_del_iface(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev) | |
62 | { | |
63 | ieee802154_if_remove(IEEE802154_WPAN_DEV_TO_SUB_IF(wpan_dev)); | |
64 | ||
65 | return 0; | |
66 | } | |
67 | ||
ab0bd561 | 68 | static int |
6d5fb877 | 69 | ieee802154_set_channel(struct wpan_phy *wpan_phy, u8 page, u8 channel) |
ab0bd561 AA |
70 | { |
71 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); | |
72 | int ret; | |
73 | ||
74 | ASSERT_RTNL(); | |
75 | ||
76 | /* check if phy support this setting */ | |
77 | if (!(wpan_phy->channels_supported[page] & BIT(channel))) | |
78 | return -EINVAL; | |
79 | ||
80 | ret = drv_set_channel(local, page, channel); | |
81 | if (!ret) { | |
82 | wpan_phy->current_page = page; | |
83 | wpan_phy->current_channel = channel; | |
84 | } | |
85 | ||
86 | return ret; | |
87 | } | |
88 | ||
6d5fb877 AA |
89 | static int |
90 | ieee802154_set_pan_id(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, | |
ee7b9053 | 91 | __le16 pan_id) |
702bf371 AA |
92 | { |
93 | ASSERT_RTNL(); | |
94 | ||
95 | /* TODO | |
96 | * I am not sure about to check here on broadcast pan_id. | |
97 | * Broadcast is a valid setting, comment from 802.15.4: | |
98 | * If this value is 0xffff, the device is not associated. | |
99 | * | |
100 | * This could useful to simple deassociate an device. | |
101 | */ | |
ee7b9053 | 102 | if (pan_id == cpu_to_le16(IEEE802154_PAN_ID_BROADCAST)) |
702bf371 AA |
103 | return -EINVAL; |
104 | ||
ee7b9053 | 105 | wpan_dev->pan_id = pan_id; |
702bf371 AA |
106 | return 0; |
107 | } | |
108 | ||
656a999e AA |
109 | static int |
110 | ieee802154_set_backoff_exponent(struct wpan_phy *wpan_phy, | |
111 | struct wpan_dev *wpan_dev, | |
6d5fb877 | 112 | u8 min_be, u8 max_be) |
656a999e AA |
113 | { |
114 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); | |
115 | ||
116 | ASSERT_RTNL(); | |
117 | ||
118 | if (!(local->hw.flags & IEEE802154_HW_CSMA_PARAMS)) | |
119 | return -EOPNOTSUPP; | |
120 | ||
121 | wpan_dev->min_be = min_be; | |
122 | wpan_dev->max_be = max_be; | |
123 | return 0; | |
124 | } | |
125 | ||
9830c62a AA |
126 | static int |
127 | ieee802154_set_short_addr(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, | |
ee7b9053 | 128 | __le16 short_addr) |
9830c62a AA |
129 | { |
130 | ASSERT_RTNL(); | |
131 | ||
132 | /* TODO | |
133 | * I am not sure about to check here on broadcast short_addr. | |
134 | * Broadcast is a valid setting, comment from 802.15.4: | |
135 | * A value of 0xfffe indicates that the device has | |
136 | * associated but has not been allocated an address. A | |
137 | * value of 0xffff indicates that the device does not | |
138 | * have a short address. | |
139 | * | |
140 | * I think we should allow to set these settings but | |
141 | * don't allow to allow socket communication with it. | |
142 | */ | |
ee7b9053 AA |
143 | if (short_addr == cpu_to_le16(IEEE802154_ADDR_SHORT_UNSPEC) || |
144 | short_addr == cpu_to_le16(IEEE802154_ADDR_SHORT_BROADCAST)) | |
9830c62a AA |
145 | return -EINVAL; |
146 | ||
ee7b9053 | 147 | wpan_dev->short_addr = short_addr; |
9830c62a AA |
148 | return 0; |
149 | } | |
150 | ||
6d5fb877 AA |
151 | static int |
152 | ieee802154_set_max_csma_backoffs(struct wpan_phy *wpan_phy, | |
153 | struct wpan_dev *wpan_dev, | |
154 | u8 max_csma_backoffs) | |
a01ba765 AA |
155 | { |
156 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); | |
157 | ||
158 | ASSERT_RTNL(); | |
159 | ||
160 | if (!(local->hw.flags & IEEE802154_HW_CSMA_PARAMS)) | |
161 | return -EOPNOTSUPP; | |
162 | ||
163 | wpan_dev->csma_retries = max_csma_backoffs; | |
164 | return 0; | |
165 | } | |
166 | ||
6d5fb877 AA |
167 | static int |
168 | ieee802154_set_max_frame_retries(struct wpan_phy *wpan_phy, | |
169 | struct wpan_dev *wpan_dev, | |
170 | s8 max_frame_retries) | |
17a3a46b AA |
171 | { |
172 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); | |
173 | ||
174 | ASSERT_RTNL(); | |
175 | ||
176 | if (!(local->hw.flags & IEEE802154_HW_FRAME_RETRIES)) | |
177 | return -EOPNOTSUPP; | |
178 | ||
179 | wpan_dev->frame_retries = max_frame_retries; | |
180 | return 0; | |
181 | } | |
182 | ||
6d5fb877 AA |
183 | static int |
184 | ieee802154_set_lbt_mode(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, | |
185 | bool mode) | |
c8937a1d AA |
186 | { |
187 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); | |
188 | ||
189 | ASSERT_RTNL(); | |
190 | ||
191 | if (!(local->hw.flags & IEEE802154_HW_LBT)) | |
192 | return -EOPNOTSUPP; | |
193 | ||
194 | wpan_dev->lbt = mode; | |
195 | return 0; | |
196 | } | |
197 | ||
1201cd22 | 198 | const struct cfg802154_ops mac802154_config_ops = { |
4a9a816a AA |
199 | .add_virtual_intf_deprecated = ieee802154_add_iface_deprecated, |
200 | .del_virtual_intf_deprecated = ieee802154_del_iface_deprecated, | |
f3ea5e44 | 201 | .add_virtual_intf = ieee802154_add_iface, |
b821ecd4 | 202 | .del_virtual_intf = ieee802154_del_iface, |
ab0bd561 | 203 | .set_channel = ieee802154_set_channel, |
702bf371 | 204 | .set_pan_id = ieee802154_set_pan_id, |
9830c62a | 205 | .set_short_addr = ieee802154_set_short_addr, |
656a999e | 206 | .set_backoff_exponent = ieee802154_set_backoff_exponent, |
a01ba765 | 207 | .set_max_csma_backoffs = ieee802154_set_max_csma_backoffs, |
17a3a46b | 208 | .set_max_frame_retries = ieee802154_set_max_frame_retries, |
c8937a1d | 209 | .set_lbt_mode = ieee802154_set_lbt_mode, |
1201cd22 | 210 | }; |