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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); |
36cf942a | 54 | return PTR_ERR_OR_ZERO(err); |
f3ea5e44 AA |
55 | } |
56 | ||
b821ecd4 AA |
57 | static int |
58 | ieee802154_del_iface(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev) | |
59 | { | |
60 | ieee802154_if_remove(IEEE802154_WPAN_DEV_TO_SUB_IF(wpan_dev)); | |
61 | ||
62 | return 0; | |
63 | } | |
64 | ||
ab0bd561 | 65 | static int |
6d5fb877 | 66 | ieee802154_set_channel(struct wpan_phy *wpan_phy, u8 page, u8 channel) |
ab0bd561 AA |
67 | { |
68 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); | |
69 | int ret; | |
70 | ||
71 | ASSERT_RTNL(); | |
72 | ||
73 | /* check if phy support this setting */ | |
74 | if (!(wpan_phy->channels_supported[page] & BIT(channel))) | |
75 | return -EINVAL; | |
76 | ||
77 | ret = drv_set_channel(local, page, channel); | |
78 | if (!ret) { | |
79 | wpan_phy->current_page = page; | |
80 | wpan_phy->current_channel = channel; | |
81 | } | |
82 | ||
83 | return ret; | |
84 | } | |
85 | ||
ba2a9506 AA |
86 | static int |
87 | ieee802154_set_cca_mode(struct wpan_phy *wpan_phy, | |
88 | const struct wpan_phy_cca *cca) | |
89 | { | |
90 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); | |
91 | int ret; | |
92 | ||
93 | ASSERT_RTNL(); | |
94 | ||
95 | /* check if phy support this setting */ | |
96 | if (!(local->hw.flags & IEEE802154_HW_CCA_MODE)) | |
97 | return -EOPNOTSUPP; | |
98 | ||
99 | ret = drv_set_cca_mode(local, cca); | |
100 | if (!ret) | |
101 | wpan_phy->cca = *cca; | |
102 | ||
103 | return ret; | |
104 | } | |
105 | ||
6d5fb877 AA |
106 | static int |
107 | ieee802154_set_pan_id(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, | |
ee7b9053 | 108 | __le16 pan_id) |
702bf371 AA |
109 | { |
110 | ASSERT_RTNL(); | |
111 | ||
112 | /* TODO | |
113 | * I am not sure about to check here on broadcast pan_id. | |
114 | * Broadcast is a valid setting, comment from 802.15.4: | |
115 | * If this value is 0xffff, the device is not associated. | |
116 | * | |
117 | * This could useful to simple deassociate an device. | |
118 | */ | |
ee7b9053 | 119 | if (pan_id == cpu_to_le16(IEEE802154_PAN_ID_BROADCAST)) |
702bf371 AA |
120 | return -EINVAL; |
121 | ||
ee7b9053 | 122 | wpan_dev->pan_id = pan_id; |
702bf371 AA |
123 | return 0; |
124 | } | |
125 | ||
656a999e AA |
126 | static int |
127 | ieee802154_set_backoff_exponent(struct wpan_phy *wpan_phy, | |
128 | struct wpan_dev *wpan_dev, | |
6d5fb877 | 129 | u8 min_be, u8 max_be) |
656a999e AA |
130 | { |
131 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); | |
132 | ||
133 | ASSERT_RTNL(); | |
134 | ||
135 | if (!(local->hw.flags & IEEE802154_HW_CSMA_PARAMS)) | |
136 | return -EOPNOTSUPP; | |
137 | ||
138 | wpan_dev->min_be = min_be; | |
139 | wpan_dev->max_be = max_be; | |
140 | return 0; | |
141 | } | |
142 | ||
9830c62a AA |
143 | static int |
144 | ieee802154_set_short_addr(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, | |
ee7b9053 | 145 | __le16 short_addr) |
9830c62a AA |
146 | { |
147 | ASSERT_RTNL(); | |
148 | ||
149 | /* TODO | |
150 | * I am not sure about to check here on broadcast short_addr. | |
151 | * Broadcast is a valid setting, comment from 802.15.4: | |
152 | * A value of 0xfffe indicates that the device has | |
153 | * associated but has not been allocated an address. A | |
154 | * value of 0xffff indicates that the device does not | |
155 | * have a short address. | |
156 | * | |
157 | * I think we should allow to set these settings but | |
158 | * don't allow to allow socket communication with it. | |
159 | */ | |
ee7b9053 AA |
160 | if (short_addr == cpu_to_le16(IEEE802154_ADDR_SHORT_UNSPEC) || |
161 | short_addr == cpu_to_le16(IEEE802154_ADDR_SHORT_BROADCAST)) | |
9830c62a AA |
162 | return -EINVAL; |
163 | ||
ee7b9053 | 164 | wpan_dev->short_addr = short_addr; |
9830c62a AA |
165 | return 0; |
166 | } | |
167 | ||
6d5fb877 AA |
168 | static int |
169 | ieee802154_set_max_csma_backoffs(struct wpan_phy *wpan_phy, | |
170 | struct wpan_dev *wpan_dev, | |
171 | u8 max_csma_backoffs) | |
a01ba765 AA |
172 | { |
173 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); | |
174 | ||
175 | ASSERT_RTNL(); | |
176 | ||
177 | if (!(local->hw.flags & IEEE802154_HW_CSMA_PARAMS)) | |
178 | return -EOPNOTSUPP; | |
179 | ||
180 | wpan_dev->csma_retries = max_csma_backoffs; | |
181 | return 0; | |
182 | } | |
183 | ||
6d5fb877 AA |
184 | static int |
185 | ieee802154_set_max_frame_retries(struct wpan_phy *wpan_phy, | |
186 | struct wpan_dev *wpan_dev, | |
187 | s8 max_frame_retries) | |
17a3a46b AA |
188 | { |
189 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); | |
190 | ||
191 | ASSERT_RTNL(); | |
192 | ||
193 | if (!(local->hw.flags & IEEE802154_HW_FRAME_RETRIES)) | |
194 | return -EOPNOTSUPP; | |
195 | ||
196 | wpan_dev->frame_retries = max_frame_retries; | |
197 | return 0; | |
198 | } | |
199 | ||
6d5fb877 AA |
200 | static int |
201 | ieee802154_set_lbt_mode(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev, | |
202 | bool mode) | |
c8937a1d AA |
203 | { |
204 | struct ieee802154_local *local = wpan_phy_priv(wpan_phy); | |
205 | ||
206 | ASSERT_RTNL(); | |
207 | ||
208 | if (!(local->hw.flags & IEEE802154_HW_LBT)) | |
209 | return -EOPNOTSUPP; | |
210 | ||
211 | wpan_dev->lbt = mode; | |
212 | return 0; | |
213 | } | |
214 | ||
1201cd22 | 215 | const struct cfg802154_ops mac802154_config_ops = { |
4a9a816a AA |
216 | .add_virtual_intf_deprecated = ieee802154_add_iface_deprecated, |
217 | .del_virtual_intf_deprecated = ieee802154_del_iface_deprecated, | |
f3ea5e44 | 218 | .add_virtual_intf = ieee802154_add_iface, |
b821ecd4 | 219 | .del_virtual_intf = ieee802154_del_iface, |
ab0bd561 | 220 | .set_channel = ieee802154_set_channel, |
ba2a9506 | 221 | .set_cca_mode = ieee802154_set_cca_mode, |
702bf371 | 222 | .set_pan_id = ieee802154_set_pan_id, |
9830c62a | 223 | .set_short_addr = ieee802154_set_short_addr, |
656a999e | 224 | .set_backoff_exponent = ieee802154_set_backoff_exponent, |
a01ba765 | 225 | .set_max_csma_backoffs = ieee802154_set_max_csma_backoffs, |
17a3a46b | 226 | .set_max_frame_retries = ieee802154_set_max_frame_retries, |
c8937a1d | 227 | .set_lbt_mode = ieee802154_set_lbt_mode, |
1201cd22 | 228 | }; |