drivers/net/wireless/ath/ath10k/mac.h

   1 /*
   2  * Copyright (c) 2005-2011 Atheros Communications Inc.
   3  * Copyright (c) 2011-2013 Qualcomm Atheros, Inc.
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 #ifndef _MAC_H_
  19 #define _MAC_H_
  20
  21 #include <net/mac80211.h>
  22 #include "core.h"
  23
  24 #define WEP_KEYID_SHIFT 6
  25
  26 struct ath10k_generic_iter {
  27         struct ath10k *ar;
  28         int ret;
  29 };
  30
  31 struct rfc1042_hdr {
  32         u8 llc_dsap;
  33         u8 llc_ssap;
  34         u8 llc_ctrl;
  35         u8 snap_oui[3];
  36         __be16 snap_type;
  37 } __packed;
  38
  39 struct ath10k *ath10k_mac_create(size_t priv_size);
  40 void ath10k_mac_destroy(struct ath10k *ar);
  41 int ath10k_mac_register(struct ath10k *ar);
  42 void ath10k_mac_unregister(struct ath10k *ar);
  43 struct ath10k_vif *ath10k_get_arvif(struct ath10k *ar, u32 vdev_id);
  44 void __ath10k_scan_finish(struct ath10k *ar);
  45 void ath10k_scan_finish(struct ath10k *ar);
  46 void ath10k_scan_timeout_work(struct work_struct *work);
  47 void ath10k_offchan_tx_purge(struct ath10k *ar);
  48 void ath10k_offchan_tx_work(struct work_struct *work);
  49 void ath10k_mgmt_over_wmi_tx_purge(struct ath10k *ar);
  50 void ath10k_mgmt_over_wmi_tx_work(struct work_struct *work);
  51 void ath10k_halt(struct ath10k *ar);
  52 void ath10k_mac_vif_beacon_free(struct ath10k_vif *arvif);
  53 void ath10k_drain_tx(struct ath10k *ar);
  54 bool ath10k_mac_is_peer_wep_key_set(struct ath10k *ar, const u8 *addr,
  55                                     u8 keyidx);
  56 void ath10k_mac_handle_beacon(struct ath10k *ar, struct sk_buff *skb);
  57 void ath10k_mac_handle_beacon_miss(struct ath10k *ar, u32 vdev_id);
  58
  59 static inline struct ath10k_vif *ath10k_vif_to_arvif(struct ieee80211_vif *vif)
  60 {
  61         return (struct ath10k_vif *)vif->drv_priv;
  62 }
  63
  64 static inline void ath10k_tx_h_seq_no(struct ieee80211_vif *vif,
  65                                       struct sk_buff *skb)
  66 {
  67         struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
  68         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
  69         struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
  70
  71         if (info->flags  & IEEE80211_TX_CTL_ASSIGN_SEQ) {
  72                 if (arvif->tx_seq_no == 0)
  73                         arvif->tx_seq_no = 0x1000;
  74
  75                 if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
  76                         arvif->tx_seq_no += 0x10;
  77                 hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
  78                 hdr->seq_ctrl |= cpu_to_le16(arvif->tx_seq_no);
  79         }
  80 }
  81
  82 #endif /* _MAC_H_ */