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
  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,
  74                                    const struct wpan_phy_cca *cca)
  75 {
  76         might_sleep();
  77
  78         if (!local->ops->set_cca_mode) {
  79                 WARN_ON(1);
  80                 return -EOPNOTSUPP;
  81         }
  82
  83         return local->ops->set_cca_mode(&local->hw, cca);
  84 }
  85
  86 static inline int drv_set_lbt_mode(struct ieee802154_local *local, bool mode)
  87 {
  88         might_sleep();
  89
  90         if (!local->ops->set_lbt) {
  91                 WARN_ON(1);
  92                 return -EOPNOTSUPP;
  93         }
  94
  95         return local->ops->set_lbt(&local->hw, mode);
  96 }
  97
  98 static inline int
  99 drv_set_cca_ed_level(struct ieee802154_local *local, s32 ed_level)
 100 {
 101         might_sleep();
 102
 103         if (!local->ops->set_cca_ed_level) {
 104                 WARN_ON(1);
 105                 return -EOPNOTSUPP;
 106         }
 107
 108         return local->ops->set_cca_ed_level(&local->hw, ed_level);
 109 }
 110
 111 static inline int drv_set_pan_id(struct ieee802154_local *local, __le16 pan_id)
 112 {
 113         struct ieee802154_hw_addr_filt filt;
 114
 115         might_sleep();
 116
 117         if (!local->ops->set_hw_addr_filt) {
 118                 WARN_ON(1);
 119                 return -EOPNOTSUPP;
 120         }
 121
 122         filt.pan_id = pan_id;
 123
 124         return local->ops->set_hw_addr_filt(&local->hw, &filt,
 125                                             IEEE802154_AFILT_PANID_CHANGED);
 126 }
 127
 128 static inline int
 129 drv_set_extended_addr(struct ieee802154_local *local, __le64 extended_addr)
 130 {
 131         struct ieee802154_hw_addr_filt filt;
 132
 133         might_sleep();
 134
 135         if (!local->ops->set_hw_addr_filt) {
 136                 WARN_ON(1);
 137                 return -EOPNOTSUPP;
 138         }
 139
 140         filt.ieee_addr = extended_addr;
 141
 142         return local->ops->set_hw_addr_filt(&local->hw, &filt,
 143                                             IEEE802154_AFILT_IEEEADDR_CHANGED);
 144 }
 145
 146 static inline int
 147 drv_set_short_addr(struct ieee802154_local *local, __le16 short_addr)
 148 {
 149         struct ieee802154_hw_addr_filt filt;
 150
 151         might_sleep();
 152
 153         if (!local->ops->set_hw_addr_filt) {
 154                 WARN_ON(1);
 155                 return -EOPNOTSUPP;
 156         }
 157
 158         filt.short_addr = short_addr;
 159
 160         return local->ops->set_hw_addr_filt(&local->hw, &filt,
 161                                             IEEE802154_AFILT_SADDR_CHANGED);
 162 }
 163
 164 static inline int
 165 drv_set_pan_coord(struct ieee802154_local *local, bool is_coord)
 166 {
 167         struct ieee802154_hw_addr_filt filt;
 168
 169         might_sleep();
 170
 171         if (!local->ops->set_hw_addr_filt) {
 172                 WARN_ON(1);
 173                 return -EOPNOTSUPP;
 174         }
 175
 176         filt.pan_coord = is_coord;
 177
 178         return local->ops->set_hw_addr_filt(&local->hw, &filt,
 179                                             IEEE802154_AFILT_PANC_CHANGED);
 180 }
 181
 182 static inline int
 183 drv_set_csma_params(struct ieee802154_local *local, u8 min_be, u8 max_be,
 184                     u8 max_csma_backoffs)
 185 {
 186         might_sleep();
 187
 188         if (!local->ops->set_csma_params) {
 189                 WARN_ON(1);
 190                 return -EOPNOTSUPP;
 191         }
 192
 193         return local->ops->set_csma_params(&local->hw, min_be, max_be,
 194                                            max_csma_backoffs);
 195 }
 196
 197 static inline int
 198 drv_set_max_frame_retries(struct ieee802154_local *local, s8 max_frame_retries)
 199 {
 200         might_sleep();
 201
 202         if (!local->ops->set_frame_retries) {
 203                 WARN_ON(1);
 204                 return -EOPNOTSUPP;
 205         }
 206
 207         return local->ops->set_frame_retries(&local->hw, max_frame_retries);
 208 }
 209
 210 static inline int
 211 drv_set_promiscuous_mode(struct ieee802154_local *local, bool on)
 212 {
 213         might_sleep();
 214
 215         if (!local->ops->set_promiscuous_mode) {
 216                 WARN_ON(1);
 217                 return -EOPNOTSUPP;
 218         }
 219
 220         return local->ops->set_promiscuous_mode(&local->hw, on);
 221 }
 222
 223 #endif /* __MAC802154_DRIVER_OPS */