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
drv_xmit_async(struct ieee802154_local * local,struct sk_buff * skb)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
drv_xmit_sync(struct ieee802154_local * local,struct sk_buff * skb)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 
drv_start(struct ieee802154_local * local)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 
drv_stop(struct ieee802154_local * local)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
drv_set_channel(struct ieee802154_local * local,u8 page,u8 channel)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 
drv_set_tx_power(struct ieee802154_local * local,s32 mbm)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 
drv_set_cca_mode(struct ieee802154_local * local,const struct wpan_phy_cca * cca)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 
drv_set_lbt_mode(struct ieee802154_local * local,bool mode)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
drv_set_cca_ed_level(struct ieee802154_local * local,s32 mbm)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 
drv_set_pan_id(struct ieee802154_local * local,__le16 pan_id)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
drv_set_extended_addr(struct ieee802154_local * local,__le64 extended_addr)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
drv_set_short_addr(struct ieee802154_local * local,__le16 short_addr)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
drv_set_pan_coord(struct ieee802154_local * local,bool is_coord)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
drv_set_csma_params(struct ieee802154_local * local,u8 min_be,u8 max_be,u8 max_csma_backoffs)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
drv_set_max_frame_retries(struct ieee802154_local * local,s8 max_frame_retries)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
drv_set_promiscuous_mode(struct ieee802154_local * local,bool on)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 */
286