GNU Linux-libre 4.19.211-gnu1
[releases.git] / net / mac802154 / driver-ops.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __MAC802154_DRIVER_OPS
3 #define __MAC802154_DRIVER_OPS
4
5 #include <linux/types.h>
6 #include <linux/rtnetlink.h>
7
8 #include <net/mac802154.h>
9
10 #include "ieee802154_i.h"
11 #include "trace.h"
12
13 static inline int
14 drv_xmit_async(struct ieee802154_local *local, struct sk_buff *skb)
15 {
16         return local->ops->xmit_async(&local->hw, skb);
17 }
18
19 static inline int
20 drv_xmit_sync(struct ieee802154_local *local, struct sk_buff *skb)
21 {
22         might_sleep();
23
24         return local->ops->xmit_sync(&local->hw, skb);
25 }
26
27 static inline int drv_start(struct ieee802154_local *local)
28 {
29         int ret;
30
31         might_sleep();
32
33         trace_802154_drv_start(local);
34         local->started = true;
35         smp_mb();
36         ret = local->ops->start(&local->hw);
37         trace_802154_drv_return_int(local, ret);
38         return ret;
39 }
40
41 static inline void drv_stop(struct ieee802154_local *local)
42 {
43         might_sleep();
44
45         trace_802154_drv_stop(local);
46         local->ops->stop(&local->hw);
47         trace_802154_drv_return_void(local);
48
49         /* sync away all work on the tasklet before clearing started */
50         tasklet_disable(&local->tasklet);
51         tasklet_enable(&local->tasklet);
52
53         barrier();
54
55         local->started = false;
56 }
57
58 static inline int
59 drv_set_channel(struct ieee802154_local *local, u8 page, u8 channel)
60 {
61         int ret;
62
63         might_sleep();
64
65         trace_802154_drv_set_channel(local, page, channel);
66         ret = local->ops->set_channel(&local->hw, page, channel);
67         trace_802154_drv_return_int(local, ret);
68         return ret;
69 }
70
71 static inline int drv_set_tx_power(struct ieee802154_local *local, s32 mbm)
72 {
73         int ret;
74
75         might_sleep();
76
77         if (!local->ops->set_txpower) {
78                 WARN_ON(1);
79                 return -EOPNOTSUPP;
80         }
81
82         trace_802154_drv_set_tx_power(local, mbm);
83         ret = local->ops->set_txpower(&local->hw, mbm);
84         trace_802154_drv_return_int(local, ret);
85         return ret;
86 }
87
88 static inline int drv_set_cca_mode(struct ieee802154_local *local,
89                                    const struct wpan_phy_cca *cca)
90 {
91         int ret;
92
93         might_sleep();
94
95         if (!local->ops->set_cca_mode) {
96                 WARN_ON(1);
97                 return -EOPNOTSUPP;
98         }
99
100         trace_802154_drv_set_cca_mode(local, cca);
101         ret = local->ops->set_cca_mode(&local->hw, cca);
102         trace_802154_drv_return_int(local, ret);
103         return ret;
104 }
105
106 static inline int drv_set_lbt_mode(struct ieee802154_local *local, bool mode)
107 {
108         int ret;
109
110         might_sleep();
111
112         if (!local->ops->set_lbt) {
113                 WARN_ON(1);
114                 return -EOPNOTSUPP;
115         }
116
117         trace_802154_drv_set_lbt_mode(local, mode);
118         ret = local->ops->set_lbt(&local->hw, mode);
119         trace_802154_drv_return_int(local, ret);
120         return ret;
121 }
122
123 static inline int
124 drv_set_cca_ed_level(struct ieee802154_local *local, s32 mbm)
125 {
126         int ret;
127
128         might_sleep();
129
130         if (!local->ops->set_cca_ed_level) {
131                 WARN_ON(1);
132                 return -EOPNOTSUPP;
133         }
134
135         trace_802154_drv_set_cca_ed_level(local, mbm);
136         ret = local->ops->set_cca_ed_level(&local->hw, mbm);
137         trace_802154_drv_return_int(local, ret);
138         return ret;
139 }
140
141 static inline int drv_set_pan_id(struct ieee802154_local *local, __le16 pan_id)
142 {
143         struct ieee802154_hw_addr_filt filt;
144         int ret;
145
146         might_sleep();
147
148         if (!local->ops->set_hw_addr_filt) {
149                 WARN_ON(1);
150                 return -EOPNOTSUPP;
151         }
152
153         filt.pan_id = pan_id;
154
155         trace_802154_drv_set_pan_id(local, pan_id);
156         ret = local->ops->set_hw_addr_filt(&local->hw, &filt,
157                                             IEEE802154_AFILT_PANID_CHANGED);
158         trace_802154_drv_return_int(local, ret);
159         return ret;
160 }
161
162 static inline int
163 drv_set_extended_addr(struct ieee802154_local *local, __le64 extended_addr)
164 {
165         struct ieee802154_hw_addr_filt filt;
166         int ret;
167
168         might_sleep();
169
170         if (!local->ops->set_hw_addr_filt) {
171                 WARN_ON(1);
172                 return -EOPNOTSUPP;
173         }
174
175         filt.ieee_addr = extended_addr;
176
177         trace_802154_drv_set_extended_addr(local, extended_addr);
178         ret = local->ops->set_hw_addr_filt(&local->hw, &filt,
179                                             IEEE802154_AFILT_IEEEADDR_CHANGED);
180         trace_802154_drv_return_int(local, ret);
181         return ret;
182 }
183
184 static inline int
185 drv_set_short_addr(struct ieee802154_local *local, __le16 short_addr)
186 {
187         struct ieee802154_hw_addr_filt filt;
188         int ret;
189
190         might_sleep();
191
192         if (!local->ops->set_hw_addr_filt) {
193                 WARN_ON(1);
194                 return -EOPNOTSUPP;
195         }
196
197         filt.short_addr = short_addr;
198
199         trace_802154_drv_set_short_addr(local, short_addr);
200         ret = local->ops->set_hw_addr_filt(&local->hw, &filt,
201                                             IEEE802154_AFILT_SADDR_CHANGED);
202         trace_802154_drv_return_int(local, ret);
203         return ret;
204 }
205
206 static inline int
207 drv_set_pan_coord(struct ieee802154_local *local, bool is_coord)
208 {
209         struct ieee802154_hw_addr_filt filt;
210         int ret;
211
212         might_sleep();
213
214         if (!local->ops->set_hw_addr_filt) {
215                 WARN_ON(1);
216                 return -EOPNOTSUPP;
217         }
218
219         filt.pan_coord = is_coord;
220
221         trace_802154_drv_set_pan_coord(local, is_coord);
222         ret = local->ops->set_hw_addr_filt(&local->hw, &filt,
223                                             IEEE802154_AFILT_PANC_CHANGED);
224         trace_802154_drv_return_int(local, ret);
225         return ret;
226 }
227
228 static inline int
229 drv_set_csma_params(struct ieee802154_local *local, u8 min_be, u8 max_be,
230                     u8 max_csma_backoffs)
231 {
232         int ret;
233
234         might_sleep();
235
236         if (!local->ops->set_csma_params) {
237                 WARN_ON(1);
238                 return -EOPNOTSUPP;
239         }
240
241         trace_802154_drv_set_csma_params(local, min_be, max_be,
242                                          max_csma_backoffs);
243         ret = local->ops->set_csma_params(&local->hw, min_be, max_be,
244                                            max_csma_backoffs);
245         trace_802154_drv_return_int(local, ret);
246         return ret;
247 }
248
249 static inline int
250 drv_set_max_frame_retries(struct ieee802154_local *local, s8 max_frame_retries)
251 {
252         int ret;
253
254         might_sleep();
255
256         if (!local->ops->set_frame_retries) {
257                 WARN_ON(1);
258                 return -EOPNOTSUPP;
259         }
260
261         trace_802154_drv_set_max_frame_retries(local, max_frame_retries);
262         ret = local->ops->set_frame_retries(&local->hw, max_frame_retries);
263         trace_802154_drv_return_int(local, ret);
264         return ret;
265 }
266
267 static inline int
268 drv_set_promiscuous_mode(struct ieee802154_local *local, bool on)
269 {
270         int ret;
271
272         might_sleep();
273
274         if (!local->ops->set_promiscuous_mode) {
275                 WARN_ON(1);
276                 return -EOPNOTSUPP;
277         }
278
279         trace_802154_drv_set_promiscuous_mode(local, on);
280         ret = local->ops->set_promiscuous_mode(&local->hw, on);
281         trace_802154_drv_return_int(local, ret);
282         return ret;
283 }
284
285 #endif /* __MAC802154_DRIVER_OPS */