kernel/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         /* don't allow other operations while sync xmit */
  22         ASSERT_RTNL();
  23
  24         might_sleep();
  25
  26         return local->ops->xmit_sync(&local->hw, skb);
  27 }
  28
  29 static inline int drv_start(struct ieee802154_local *local)
  30 {
  31         int ret;
  32
  33         might_sleep();
  34
  35         trace_802154_drv_start(local);
  36         local->started = true;
  37         smp_mb();
  38         ret = local->ops->start(&local->hw);
  39         trace_802154_drv_return_int(local, ret);
  40         return ret;
  41 }
  42
  43 static inline void drv_stop(struct ieee802154_local *local)
  44 {
  45         might_sleep();
  46
  47         trace_802154_drv_stop(local);
  48         local->ops->stop(&local->hw);
  49         trace_802154_drv_return_void(local);
  50
  51         /* sync away all work on the tasklet before clearing started */
  52         tasklet_disable(&local->tasklet);
  53         tasklet_enable(&local->tasklet);
  54
  55         barrier();
  56
  57         local->started = false;
  58 }
  59
  60 static inline int
  61 drv_set_channel(struct ieee802154_local *local, u8 page, u8 channel)
  62 {
  63         int ret;
  64
  65         might_sleep();
  66
  67         trace_802154_drv_set_channel(local, page, channel);
  68         ret = local->ops->set_channel(&local->hw, page, channel);
  69         trace_802154_drv_return_int(local, ret);
  70         return ret;
  71 }
  72
  73 static inline int drv_set_tx_power(struct ieee802154_local *local, s32 mbm)
  74 {
  75         int ret;
  76
  77         might_sleep();
  78
  79         if (!local->ops->set_txpower) {
  80                 WARN_ON(1);
  81                 return -EOPNOTSUPP;
  82         }
  83
  84         trace_802154_drv_set_tx_power(local, mbm);
  85         ret = local->ops->set_txpower(&local->hw, mbm);
  86         trace_802154_drv_return_int(local, ret);
  87         return ret;
  88 }
  89
  90 static inline int drv_set_cca_mode(struct ieee802154_local *local,
  91                                    const struct wpan_phy_cca *cca)
  92 {
  93         int ret;
  94
  95         might_sleep();
  96
  97         if (!local->ops->set_cca_mode) {
  98                 WARN_ON(1);
  99                 return -EOPNOTSUPP;
 100         }
 101
 102         trace_802154_drv_set_cca_mode(local, cca);
 103         ret = local->ops->set_cca_mode(&local->hw, cca);
 104         trace_802154_drv_return_int(local, ret);
 105         return ret;
 106 }
 107
 108 static inline int drv_set_lbt_mode(struct ieee802154_local *local, bool mode)
 109 {
 110         int ret;
 111
 112         might_sleep();
 113
 114         if (!local->ops->set_lbt) {
 115                 WARN_ON(1);
 116                 return -EOPNOTSUPP;
 117         }
 118
 119         trace_802154_drv_set_lbt_mode(local, mode);
 120         ret = local->ops->set_lbt(&local->hw, mode);
 121         trace_802154_drv_return_int(local, ret);
 122         return ret;
 123 }
 124
 125 static inline int
 126 drv_set_cca_ed_level(struct ieee802154_local *local, s32 mbm)
 127 {
 128         int ret;
 129
 130         might_sleep();
 131
 132         if (!local->ops->set_cca_ed_level) {
 133                 WARN_ON(1);
 134                 return -EOPNOTSUPP;
 135         }
 136
 137         trace_802154_drv_set_cca_ed_level(local, mbm);
 138         ret = local->ops->set_cca_ed_level(&local->hw, mbm);
 139         trace_802154_drv_return_int(local, ret);
 140         return ret;
 141 }
 142
 143 static inline int drv_set_pan_id(struct ieee802154_local *local, __le16 pan_id)
 144 {
 145         struct ieee802154_hw_addr_filt filt;
 146         int ret;
 147
 148         might_sleep();
 149
 150         if (!local->ops->set_hw_addr_filt) {
 151                 WARN_ON(1);
 152                 return -EOPNOTSUPP;
 153         }
 154
 155         filt.pan_id = pan_id;
 156
 157         trace_802154_drv_set_pan_id(local, pan_id);
 158         ret = local->ops->set_hw_addr_filt(&local->hw, &filt,
 159                                             IEEE802154_AFILT_PANID_CHANGED);
 160         trace_802154_drv_return_int(local, ret);
 161         return ret;
 162 }
 163
 164 static inline int
 165 drv_set_extended_addr(struct ieee802154_local *local, __le64 extended_addr)
 166 {
 167         struct ieee802154_hw_addr_filt filt;
 168         int ret;
 169
 170         might_sleep();
 171
 172         if (!local->ops->set_hw_addr_filt) {
 173                 WARN_ON(1);
 174                 return -EOPNOTSUPP;
 175         }
 176
 177         filt.ieee_addr = extended_addr;
 178
 179         trace_802154_drv_set_extended_addr(local, extended_addr);
 180         ret = local->ops->set_hw_addr_filt(&local->hw, &filt,
 181                                             IEEE802154_AFILT_IEEEADDR_CHANGED);
 182         trace_802154_drv_return_int(local, ret);
 183         return ret;
 184 }
 185
 186 static inline int
 187 drv_set_short_addr(struct ieee802154_local *local, __le16 short_addr)
 188 {
 189         struct ieee802154_hw_addr_filt filt;
 190         int ret;
 191
 192         might_sleep();
 193
 194         if (!local->ops->set_hw_addr_filt) {
 195                 WARN_ON(1);
 196                 return -EOPNOTSUPP;
 197         }
 198
 199         filt.short_addr = short_addr;
 200
 201         trace_802154_drv_set_short_addr(local, short_addr);
 202         ret = local->ops->set_hw_addr_filt(&local->hw, &filt,
 203                                             IEEE802154_AFILT_SADDR_CHANGED);
 204         trace_802154_drv_return_int(local, ret);
 205         return ret;
 206 }
 207
 208 static inline int
 209 drv_set_pan_coord(struct ieee802154_local *local, bool is_coord)
 210 {
 211         struct ieee802154_hw_addr_filt filt;
 212         int ret;
 213
 214         might_sleep();
 215
 216         if (!local->ops->set_hw_addr_filt) {
 217                 WARN_ON(1);
 218                 return -EOPNOTSUPP;
 219         }
 220
 221         filt.pan_coord = is_coord;
 222
 223         trace_802154_drv_set_pan_coord(local, is_coord);
 224         ret = local->ops->set_hw_addr_filt(&local->hw, &filt,
 225                                             IEEE802154_AFILT_PANC_CHANGED);
 226         trace_802154_drv_return_int(local, ret);
 227         return ret;
 228 }
 229
 230 static inline int
 231 drv_set_csma_params(struct ieee802154_local *local, u8 min_be, u8 max_be,
 232                     u8 max_csma_backoffs)
 233 {
 234         int ret;
 235
 236         might_sleep();
 237
 238         if (!local->ops->set_csma_params) {
 239                 WARN_ON(1);
 240                 return -EOPNOTSUPP;
 241         }
 242
 243         trace_802154_drv_set_csma_params(local, min_be, max_be,
 244                                          max_csma_backoffs);
 245         ret = local->ops->set_csma_params(&local->hw, min_be, max_be,
 246                                            max_csma_backoffs);
 247         trace_802154_drv_return_int(local, ret);
 248         return ret;
 249 }
 250
 251 static inline int
 252 drv_set_max_frame_retries(struct ieee802154_local *local, s8 max_frame_retries)
 253 {
 254         int ret;
 255
 256         might_sleep();
 257
 258         if (!local->ops->set_frame_retries) {
 259                 WARN_ON(1);
 260                 return -EOPNOTSUPP;
 261         }
 262
 263         trace_802154_drv_set_max_frame_retries(local, max_frame_retries);
 264         ret = local->ops->set_frame_retries(&local->hw, max_frame_retries);
 265         trace_802154_drv_return_int(local, ret);
 266         return ret;
 267 }
 268
 269 static inline int
 270 drv_set_promiscuous_mode(struct ieee802154_local *local, bool on)
 271 {
 272         int ret;
 273
 274         might_sleep();
 275
 276         if (!local->ops->set_promiscuous_mode) {
 277                 WARN_ON(1);
 278                 return -EOPNOTSUPP;
 279         }
 280
 281         trace_802154_drv_set_promiscuous_mode(local, on);
 282         ret = local->ops->set_promiscuous_mode(&local->hw, on);
 283         trace_802154_drv_return_int(local, ret);
 284         return ret;
 285 }
 286
 287 #endif /* __MAC802154_DRIVER_OPS */