wlan_cfg80211.h 6.9 KB

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  1. /*
  2. * Copyright (c) 2016-2020 The Linux Foundation. All rights reserved.
  3. *
  4. * Permission to use, copy, modify, and/or distribute this software for
  5. * any purpose with or without fee is hereby granted, provided that the
  6. * above copyright notice and this permission notice appear in all
  7. * copies.
  8. *
  9. * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
  10. * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
  11. * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
  12. * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
  13. * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
  14. * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  15. * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  16. * PERFORMANCE OF THIS SOFTWARE.
  17. */
  18. /**
  19. * DOC: declares driver functions interfacing with linux kernel
  20. */
  21. #ifndef _WLAN_CFG80211_H_
  22. #define _WLAN_CFG80211_H_
  23. #include <linux/version.h>
  24. #include <linux/netdevice.h>
  25. #include <net/netlink.h>
  26. #include <net/cfg80211.h>
  27. #include <qca_vendor.h>
  28. #include <qdf_nbuf.h>
  29. #include "qal_devcfg.h"
  30. #define osif_alert(params...) \
  31. QDF_TRACE_FATAL(QDF_MODULE_ID_OS_IF, params)
  32. #define osif_err(params...) \
  33. QDF_TRACE_ERROR(QDF_MODULE_ID_OS_IF, params)
  34. #define osif_warn(params...) \
  35. QDF_TRACE_WARN(QDF_MODULE_ID_OS_IF, params)
  36. #define osif_notice(params...) \
  37. QDF_TRACE_INFO(QDF_MODULE_ID_OS_IF, params)
  38. #define osif_info(params...) \
  39. QDF_TRACE_INFO(QDF_MODULE_ID_OS_IF, params)
  40. #define osif_debug(params...) \
  41. QDF_TRACE_DEBUG(QDF_MODULE_ID_OS_IF, params)
  42. #define osif_rl_debug(params...) \
  43. QDF_TRACE_DEBUG_RL(QDF_MODULE_ID_OS_IF, params)
  44. #define osif_nofl_alert(params...) \
  45. QDF_TRACE_FATAL_NO_FL(QDF_MODULE_ID_OS_IF, params)
  46. #define osif_nofl_err(params...) \
  47. QDF_TRACE_ERROR_NO_FL(QDF_MODULE_ID_OS_IF, params)
  48. #define osif_nofl_warn(params...) \
  49. QDF_TRACE_WARN_NO_FL(QDF_MODULE_ID_OS_IF, params)
  50. #define osif_nofl_info(params...) \
  51. QDF_TRACE_INFO_NO_FL(QDF_MODULE_ID_OS_IF, params)
  52. #define osif_nofl_debug(params...) \
  53. QDF_TRACE_DEBUG_NO_FL(QDF_MODULE_ID_OS_IF, params)
  54. #define osif_enter_dev(dev) \
  55. QDF_TRACE_ENTER(QDF_MODULE_ID_OS_IF, "enter(%s)", (dev)->name)
  56. /* For kernel version >= 5.2, driver needs to provide policy */
  57. #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 2, 0))
  58. #define vendor_command_policy(__policy, __maxattr) \
  59. .policy = __policy, \
  60. .maxattr = __maxattr
  61. #define VENDOR_NLA_POLICY_NESTED(__policy) \
  62. NLA_POLICY_NESTED(__policy)
  63. #else
  64. #define vendor_command_policy(__policy, __maxattr)
  65. #define VENDOR_NLA_POLICY_NESTED(__policy) {.type = NLA_NESTED}
  66. #endif /*End of (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 2, 0) */
  67. /* For kernel version <= 4.20, driver needs to provide policy */
  68. #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0))
  69. #define VENDOR_NLA_POLICY_MAC_ADDR NLA_POLICY_ETH_ADDR
  70. #else
  71. #define VENDOR_NLA_POLICY_MAC_ADDR \
  72. {.type = NLA_UNSPEC, .len = QDF_MAC_ADDR_SIZE}
  73. #define NLA_EXACT_LEN NLA_UNSPEC
  74. #endif /*End of (LINUX_VERSION_CODE <= KERNEL_VERSION(4, 20, 0) */
  75. #if defined(NBUF_MEMORY_DEBUG) && defined(NETLINK_BUF_TRACK)
  76. #define wlan_cfg80211_vendor_free_skb(skb) \
  77. qdf_nbuf_free(skb)
  78. #define wlan_cfg80211_vendor_event(skb, gfp) \
  79. { \
  80. qdf_nbuf_count_dec(skb); \
  81. qdf_net_buf_debug_release_skb(skb); \
  82. cfg80211_vendor_event(skb, gfp); \
  83. }
  84. #define wlan_cfg80211_vendor_cmd_reply(skb) \
  85. { \
  86. qdf_nbuf_count_dec(skb); \
  87. qdf_net_buf_debug_release_skb(skb); \
  88. cfg80211_vendor_cmd_reply(skb); \
  89. }
  90. static inline QDF_STATUS wlan_cfg80211_qal_devcfg_send_response(qdf_nbuf_t skb)
  91. {
  92. qdf_nbuf_count_dec(skb);
  93. qdf_net_buf_debug_release_skb(skb);
  94. return qal_devcfg_send_response(skb);
  95. }
  96. static inline struct sk_buff *
  97. __cfg80211_vendor_cmd_alloc_reply_skb(struct wiphy *wiphy, int len,
  98. const char *func, uint32_t line)
  99. {
  100. struct sk_buff *skb;
  101. skb = cfg80211_vendor_cmd_alloc_reply_skb(wiphy, len);
  102. if (skb) {
  103. qdf_nbuf_count_inc(skb);
  104. qdf_net_buf_debug_acquire_skb(skb, func, line);
  105. }
  106. return skb;
  107. }
  108. #define wlan_cfg80211_vendor_cmd_alloc_reply_skb(wiphy, len) \
  109. __cfg80211_vendor_cmd_alloc_reply_skb(wiphy, len, __func__, __LINE__)
  110. static inline struct sk_buff *
  111. __cfg80211_vendor_event_alloc(struct wiphy *wiphy,
  112. struct wireless_dev *wdev,
  113. int approxlen,
  114. int event_idx,
  115. gfp_t gfp,
  116. const char *func,
  117. uint32_t line)
  118. {
  119. struct sk_buff *skb;
  120. skb = cfg80211_vendor_event_alloc(wiphy, wdev,
  121. approxlen,
  122. event_idx,
  123. gfp);
  124. if (skb) {
  125. qdf_nbuf_count_inc(skb);
  126. qdf_net_buf_debug_acquire_skb(skb, func, line);
  127. }
  128. return skb;
  129. }
  130. #define wlan_cfg80211_vendor_event_alloc(wiphy, wdev, len, idx, gfp) \
  131. __cfg80211_vendor_event_alloc(wiphy, wdev, len, \
  132. idx, gfp, \
  133. __func__, __LINE__)
  134. #else /* NBUF_MEMORY_DEBUG && NETLINK_BUF_TRACK */
  135. #define wlan_cfg80211_vendor_free_skb(skb) \
  136. kfree_skb(skb)
  137. #define wlan_cfg80211_vendor_event(skb, gfp) \
  138. cfg80211_vendor_event(skb, gfp)
  139. #define wlan_cfg80211_vendor_cmd_reply(skb) \
  140. cfg80211_vendor_cmd_reply(skb)
  141. #define wlan_cfg80211_vendor_cmd_alloc_reply_skb(wiphy, len) \
  142. cfg80211_vendor_cmd_alloc_reply_skb(wiphy, len)
  143. #define wlan_cfg80211_vendor_event_alloc(wiphy, wdev, len, idx, gfp) \
  144. cfg80211_vendor_event_alloc(wiphy, wdev, len, idx, gfp)
  145. static inline QDF_STATUS wlan_cfg80211_qal_devcfg_send_response( qdf_nbuf_t skb)
  146. {
  147. return qal_devcfg_send_response(skb);
  148. }
  149. #endif /* NBUF_MEMORY_DEBUG && NETLINK_BUF_TRACK */
  150. #undef nla_parse
  151. #undef nla_parse_nested
  152. #if LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0)
  153. static inline int wlan_cfg80211_nla_parse(struct nlattr **tb,
  154. int maxtype,
  155. const struct nlattr *head,
  156. int len,
  157. const struct nla_policy *policy)
  158. {
  159. return nla_parse(tb, maxtype, head, len, policy);
  160. }
  161. static inline int
  162. wlan_cfg80211_nla_parse_nested(struct nlattr *tb[],
  163. int maxtype,
  164. const struct nlattr *nla,
  165. const struct nla_policy *policy)
  166. {
  167. return nla_parse_nested(tb, maxtype, nla, policy);
  168. }
  169. #else
  170. static inline int wlan_cfg80211_nla_parse(struct nlattr **tb,
  171. int maxtype,
  172. const struct nlattr *head,
  173. int len,
  174. const struct nla_policy *policy)
  175. {
  176. return nla_parse(tb, maxtype, head, len, policy, NULL);
  177. }
  178. static inline int
  179. wlan_cfg80211_nla_parse_nested(struct nlattr *tb[],
  180. int maxtype,
  181. const struct nlattr *nla,
  182. const struct nla_policy *policy)
  183. {
  184. return nla_parse_nested(tb, maxtype, nla, policy, NULL);
  185. }
  186. #endif
  187. #define nla_parse(...) (obsolete, use wlan_cfg80211_nla_parse)
  188. #define nla_parse_nested(...) (obsolete, use wlan_cfg80211_nla_parse_nested)
  189. #if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 7, 0))
  190. static inline int
  191. wlan_cfg80211_nla_put_u64(struct sk_buff *skb, int attrtype, u64 value)
  192. {
  193. return nla_put_u64(skb, attrtype, value);
  194. }
  195. #else
  196. static inline int
  197. wlan_cfg80211_nla_put_u64(struct sk_buff *skb, int attrtype, u64 value)
  198. {
  199. return nla_put_u64_64bit(skb, attrtype, value, NL80211_ATTR_PAD);
  200. }
  201. #endif
  202. #endif