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

   1/*
   2 * Copyright (c) 2005-2011 Atheros Communications Inc.
   3 * Copyright (c) 2011-2017 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
  26enum wmi_tlv_tx_pause_id;
  27enum wmi_tlv_tx_pause_action;
  28
  29struct ath10k_generic_iter {
  30        struct ath10k *ar;
  31        int ret;
  32};
  33
  34struct rfc1042_hdr {
  35        u8 llc_dsap;
  36        u8 llc_ssap;
  37        u8 llc_ctrl;
  38        u8 snap_oui[3];
  39        __be16 snap_type;
  40} __packed;
  41
  42struct ath10k *ath10k_mac_create(size_t priv_size);
  43void ath10k_mac_destroy(struct ath10k *ar);
  44int ath10k_mac_register(struct ath10k *ar);
  45void ath10k_mac_unregister(struct ath10k *ar);
  46struct ath10k_vif *ath10k_get_arvif(struct ath10k *ar, u32 vdev_id);
  47void __ath10k_scan_finish(struct ath10k *ar);
  48void ath10k_scan_finish(struct ath10k *ar);
  49void ath10k_scan_timeout_work(struct work_struct *work);
  50void ath10k_offchan_tx_purge(struct ath10k *ar);
  51void ath10k_offchan_tx_work(struct work_struct *work);
  52void ath10k_mgmt_over_wmi_tx_purge(struct ath10k *ar);
  53void ath10k_mgmt_over_wmi_tx_work(struct work_struct *work);
  54void ath10k_halt(struct ath10k *ar);
  55void ath10k_mac_vif_beacon_free(struct ath10k_vif *arvif);
  56void ath10k_drain_tx(struct ath10k *ar);
  57bool ath10k_mac_is_peer_wep_key_set(struct ath10k *ar, const u8 *addr,
  58                                    u8 keyidx);
  59int ath10k_mac_vif_chan(struct ieee80211_vif *vif,
  60                        struct cfg80211_chan_def *def);
  61
  62void ath10k_mac_handle_beacon(struct ath10k *ar, struct sk_buff *skb);
  63void ath10k_mac_handle_beacon_miss(struct ath10k *ar, u32 vdev_id);
  64void ath10k_mac_handle_tx_pause_vdev(struct ath10k *ar, u32 vdev_id,
  65                                     enum wmi_tlv_tx_pause_id pause_id,
  66                                     enum wmi_tlv_tx_pause_action action);
  67
  68u8 ath10k_mac_hw_rate_to_idx(const struct ieee80211_supported_band *sband,
  69                             u8 hw_rate, bool cck);
  70u8 ath10k_mac_bitrate_to_idx(const struct ieee80211_supported_band *sband,
  71                             u32 bitrate);
  72
  73void ath10k_mac_tx_lock(struct ath10k *ar, int reason);
  74void ath10k_mac_tx_unlock(struct ath10k *ar, int reason);
  75void ath10k_mac_vif_tx_lock(struct ath10k_vif *arvif, int reason);
  76void ath10k_mac_vif_tx_unlock(struct ath10k_vif *arvif, int reason);
  77bool ath10k_mac_tx_frm_has_freq(struct ath10k *ar);
  78void ath10k_mac_tx_push_pending(struct ath10k *ar);
  79int ath10k_mac_tx_push_txq(struct ieee80211_hw *hw,
  80                           struct ieee80211_txq *txq);
  81struct ieee80211_txq *ath10k_mac_txq_lookup(struct ath10k *ar,
  82                                            u16 peer_id,
  83                                            u8 tid);
  84int ath10k_mac_ext_resource_config(struct ath10k *ar, u32 val);
  85
  86static inline void ath10k_tx_h_seq_no(struct ieee80211_vif *vif,
  87                                      struct sk_buff *skb)
  88{
  89        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
  90        struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
  91        struct ath10k_vif *arvif = (void *)vif->drv_priv;
  92
  93        if (info->flags  & IEEE80211_TX_CTL_ASSIGN_SEQ) {
  94                if (arvif->tx_seq_no == 0)
  95                        arvif->tx_seq_no = 0x1000;
  96
  97                if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
  98                        arvif->tx_seq_no += 0x10;
  99                hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
 100                hdr->seq_ctrl |= cpu_to_le16(arvif->tx_seq_no);
 101        }
 102}
 103
 104#endif /* _MAC_H_ */
 105