net/mac802154/driver-ops.h

   1 #ifndef __MAC802154_DRVIER_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
  11 static inline int
  12 drv_xmit_async(struct ieee802154_local *local, struct sk_buff *skb)
  13 {
  14         return local->ops->xmit_async(&local->hw, skb);
  15 }
  16
  17 static inline int
  18 drv_xmit_sync(struct ieee802154_local *local, struct sk_buff *skb)
  19 {
  20         /* don't allow other operations while sync xmit */
  21         ASSERT_RTNL();
  22
  23         might_sleep();
  24
  25         return local->ops->xmit_sync(&local->hw, skb);
  26 }
  27
  28 static inline int drv_start(struct ieee802154_local *local)
  29 {
  30         might_sleep();
  31
  32         local->started = true;
  33         smp_mb();
  34
  35         return local->ops->start(&local->hw);
  36 }
  37
  38 static inline void drv_stop(struct ieee802154_local *local)
  39 {
  40         might_sleep();
  41
  42         local->ops->stop(&local->hw);
  43
  44         /* sync away all work on the tasklet before clearing started */
  45         tasklet_disable(&local->tasklet);
  46         tasklet_enable(&local->tasklet);
  47
  48         barrier();
  49
  50         local->started = false;
  51 }
  52
  53 static inline int
  54 drv_set_channel(struct ieee802154_local *local, u8 page, u8 channel)
  55 {
  56         might_sleep();
  57
  58         return local->ops->set_channel(&local->hw, page, channel);
  59 }
  60
  61 static inline int drv_set_tx_power(struct ieee802154_local *local, s8 dbm)
  62 {
  63         might_sleep();
  64
  65         if (!local->ops->set_txpower) {
  66                 WARN_ON(1);
  67                 return -EOPNOTSUPP;
  68         }
  69
  70         return local->ops->set_txpower(&local->hw, dbm);
  71 }
  72
  73 static inline int drv_set_cca_mode(struct ieee802154_local *local, u8 cca_mode)
  74 {
  75         might_sleep();
  76
  77         if (!local->ops->set_cca_mode) {
  78                 WARN_ON(1);
  79                 return -EOPNOTSUPP;
  80         }
  81
  82         return local->ops->set_cca_mode(&local->hw, cca_mode);
  83 }
  84
  85 static inline int drv_set_lbt_mode(struct ieee802154_local *local, bool mode)
  86 {
  87         might_sleep();
  88
  89         if (!local->ops->set_lbt) {
  90                 WARN_ON(1);
  91                 return -EOPNOTSUPP;
  92         }
  93
  94         return local->ops->set_lbt(&local->hw, mode);
  95 }
  96
  97 static inline int
  98 drv_set_cca_ed_level(struct ieee802154_local *local, s32 ed_level)
  99 {
 100         might_sleep();
 101
 102         if (!local->ops->set_cca_ed_level) {
 103                 WARN_ON(1);
 104                 return -EOPNOTSUPP;
 105         }
 106
 107         return local->ops->set_cca_ed_level(&local->hw, ed_level);
 108 }
 109
 110 static inline int drv_set_pan_id(struct ieee802154_local *local, __le16 pan_id)
 111 {
 112         struct ieee802154_hw_addr_filt filt;
 113
 114         might_sleep();
 115
 116         if (!local->ops->set_hw_addr_filt) {
 117                 WARN_ON(1);
 118                 return -EOPNOTSUPP;
 119         }
 120
 121         filt.pan_id = pan_id;
 122
 123         return local->ops->set_hw_addr_filt(&local->hw, &filt,
 124                                             IEEE802154_AFILT_PANID_CHANGED);
 125 }
 126
 127 static inline int
 128 drv_set_extended_addr(struct ieee802154_local *local, __le64 extended_addr)
 129 {
 130         struct ieee802154_hw_addr_filt filt;
 131
 132         might_sleep();
 133
 134         if (!local->ops->set_hw_addr_filt) {
 135                 WARN_ON(1);
 136                 return -EOPNOTSUPP;
 137         }
 138
 139         filt.ieee_addr = extended_addr;
 140
 141         return local->ops->set_hw_addr_filt(&local->hw, &filt,
 142                                             IEEE802154_AFILT_IEEEADDR_CHANGED);
 143 }
 144
 145 static inline int
 146 drv_set_short_addr(struct ieee802154_local *local, __le16 short_addr)
 147 {
 148         struct ieee802154_hw_addr_filt filt;
 149
 150         might_sleep();
 151
 152         if (!local->ops->set_hw_addr_filt) {
 153                 WARN_ON(1);
 154                 return -EOPNOTSUPP;
 155         }
 156
 157         filt.short_addr = short_addr;
 158
 159         return local->ops->set_hw_addr_filt(&local->hw, &filt,
 160                                             IEEE802154_AFILT_SADDR_CHANGED);
 161 }
 162
 163 static inline int
 164 drv_set_pan_coord(struct ieee802154_local *local, bool is_coord)
 165 {
 166         struct ieee802154_hw_addr_filt filt;
 167
 168         might_sleep();
 169
 170         if (!local->ops->set_hw_addr_filt) {
 171                 WARN_ON(1);
 172                 return -EOPNOTSUPP;
 173         }
 174
 175         filt.pan_coord = is_coord;
 176
 177         return local->ops->set_hw_addr_filt(&local->hw, &filt,
 178                                             IEEE802154_AFILT_PANC_CHANGED);
 179 }
 180
 181 static inline int
 182 drv_set_csma_params(struct ieee802154_local *local, u8 min_be, u8 max_be,
 183                     u8 max_csma_backoffs)
 184 {
 185         might_sleep();
 186
 187         if (!local->ops->set_csma_params) {
 188                 WARN_ON(1);
 189                 return -EOPNOTSUPP;
 190         }
 191
 192         return local->ops->set_csma_params(&local->hw, min_be, max_be,
 193                                            max_csma_backoffs);
 194 }
 195
 196 static inline int
 197 drv_set_max_frame_retries(struct ieee802154_local *local, s8 max_frame_retries)
 198 {
 199         might_sleep();
 200
 201         if (!local->ops->set_frame_retries) {
 202                 WARN_ON(1);
 203                 return -EOPNOTSUPP;
 204         }
 205
 206         return local->ops->set_frame_retries(&local->hw, max_frame_retries);
 207 }
 208
 209 static inline int
 210 drv_set_promiscuous_mode(struct ieee802154_local *local, bool on)
 211 {
 212         might_sleep();
 213
 214         if (!local->ops->set_promiscuous_mode) {
 215                 WARN_ON(1);
 216                 return -EOPNOTSUPP;
 217         }
 218
 219         return local->ops->set_promiscuous_mode(&local->hw, on);
 220 }
 221
 222 #endif /* __MAC802154_DRVIER_OPS */