LXR linux/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
  24struct ath10k_generic_iter {
  25        struct ath10k *ar;
  26        int ret;
  27};
  28
  29struct ath10k *ath10k_mac_create(void);
  30void ath10k_mac_destroy(struct ath10k *ar);
  31int ath10k_mac_register(struct ath10k *ar);
  32void ath10k_mac_unregister(struct ath10k *ar);
  33struct ath10k_vif *ath10k_get_arvif(struct ath10k *ar, u32 vdev_id);
  34void ath10k_reset_scan(unsigned long ptr);
  35void ath10k_offchan_tx_purge(struct ath10k *ar);
  36void ath10k_offchan_tx_work(struct work_struct *work);
  37
  38static inline struct ath10k_vif *ath10k_vif_to_arvif(struct ieee80211_vif *vif)
  39{
  40        return (struct ath10k_vif *)vif->drv_priv;
  41}
  42
  43static inline void ath10k_tx_h_seq_no(struct sk_buff *skb)
  44{
  45        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
  46        struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
  47        struct ieee80211_vif *vif = info->control.vif;
  48        struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
  49
  50        if (info->flags  & IEEE80211_TX_CTL_ASSIGN_SEQ) {
  51                if (arvif->tx_seq_no == 0)
  52                        arvif->tx_seq_no = 0x1000;
  53
  54                if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
  55                        arvif->tx_seq_no += 0x10;
  56                hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
  57                hdr->seq_ctrl |= cpu_to_le16(arvif->tx_seq_no);
  58        }
  59}
  60
  61#endif /* _MAC_H_ */
  62