ieee802154_netdev.h 3.4 KB

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  1. /*
  2. * An interface between IEEE802.15.4 device and rest of the kernel.
  3. *
  4. * Copyright (C) 2007, 2008, 2009 Siemens AG
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License version 2
  8. * as published by the Free Software Foundation.
  9. *
  10. * This program is distributed in the hope that it will be useful,
  11. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13. * GNU General Public License for more details.
  14. *
  15. * You should have received a copy of the GNU General Public License along
  16. * with this program; if not, write to the Free Software Foundation, Inc.,
  17. * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18. *
  19. * Written by:
  20. * Pavel Smolenskiy <pavel.smolenskiy@gmail.com>
  21. * Maxim Gorbachyov <maxim.gorbachev@siemens.com>
  22. * Maxim Osipov <maxim.osipov@siemens.com>
  23. * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
  24. */
  25. #ifndef IEEE802154_NETDEVICE_H
  26. #define IEEE802154_NETDEVICE_H
  27. /*
  28. * A control block of skb passed between the ARPHRD_IEEE802154 device
  29. * and other stack parts.
  30. */
  31. struct ieee802154_mac_cb {
  32. u8 lqi;
  33. struct ieee802154_addr sa;
  34. struct ieee802154_addr da;
  35. u8 flags;
  36. u8 seq;
  37. };
  38. static inline struct ieee802154_mac_cb *mac_cb(struct sk_buff *skb)
  39. {
  40. return (struct ieee802154_mac_cb *)skb->cb;
  41. }
  42. #define MAC_CB_FLAG_TYPEMASK ((1 << 3) - 1)
  43. #define MAC_CB_FLAG_ACKREQ (1 << 3)
  44. #define MAC_CB_FLAG_SECEN (1 << 4)
  45. #define MAC_CB_FLAG_INTRAPAN (1 << 5)
  46. static inline int mac_cb_is_ackreq(struct sk_buff *skb)
  47. {
  48. return mac_cb(skb)->flags & MAC_CB_FLAG_ACKREQ;
  49. }
  50. static inline int mac_cb_is_secen(struct sk_buff *skb)
  51. {
  52. return mac_cb(skb)->flags & MAC_CB_FLAG_SECEN;
  53. }
  54. static inline int mac_cb_is_intrapan(struct sk_buff *skb)
  55. {
  56. return mac_cb(skb)->flags & MAC_CB_FLAG_INTRAPAN;
  57. }
  58. static inline int mac_cb_type(struct sk_buff *skb)
  59. {
  60. return mac_cb(skb)->flags & MAC_CB_FLAG_TYPEMASK;
  61. }
  62. #define IEEE802154_MAC_SCAN_ED 0
  63. #define IEEE802154_MAC_SCAN_ACTIVE 1
  64. #define IEEE802154_MAC_SCAN_PASSIVE 2
  65. #define IEEE802154_MAC_SCAN_ORPHAN 3
  66. struct wpan_phy;
  67. /*
  68. * This should be located at net_device->ml_priv
  69. *
  70. * get_phy should increment the reference counting on returned phy.
  71. * Use wpan_wpy_put to put that reference.
  72. */
  73. struct ieee802154_mlme_ops {
  74. int (*assoc_req)(struct net_device *dev,
  75. struct ieee802154_addr *addr,
  76. u8 channel, u8 page, u8 cap);
  77. int (*assoc_resp)(struct net_device *dev,
  78. struct ieee802154_addr *addr,
  79. u16 short_addr, u8 status);
  80. int (*disassoc_req)(struct net_device *dev,
  81. struct ieee802154_addr *addr,
  82. u8 reason);
  83. int (*start_req)(struct net_device *dev,
  84. struct ieee802154_addr *addr,
  85. u8 channel, u8 page, u8 bcn_ord, u8 sf_ord,
  86. u8 pan_coord, u8 blx, u8 coord_realign);
  87. int (*scan_req)(struct net_device *dev,
  88. u8 type, u32 channels, u8 page, u8 duration);
  89. struct wpan_phy *(*get_phy)(const struct net_device *dev);
  90. /*
  91. * FIXME: these should become the part of PIB/MIB interface.
  92. * However we still don't have IB interface of any kind
  93. */
  94. u16 (*get_pan_id)(const struct net_device *dev);
  95. u16 (*get_short_addr)(const struct net_device *dev);
  96. u8 (*get_dsn)(const struct net_device *dev);
  97. u8 (*get_bsn)(const struct net_device *dev);
  98. };
  99. static inline struct ieee802154_mlme_ops *ieee802154_mlme_ops(
  100. const struct net_device *dev)
  101. {
  102. return dev->ml_priv;
  103. }
  104. #endif