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 */