net/mac802154/driver-ops.h

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