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/*
* Copyright (c) 2005-2011 Atheros Communications Inc.
* Copyright (c) 2011-2013 Qualcomm Atheros, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _MAC_H_
#define _MAC_H_
#include <net/mac80211.h>
#include "core.h"
#define WEP_KEYID_SHIFT 6
enum wmi_tlv_tx_pause_id;
enum wmi_tlv_tx_pause_action;
struct ath10k_generic_iter {
struct ath10k *ar;
int ret;
};
struct rfc1042_hdr {
u8 llc_dsap;
u8 llc_ssap;
u8 llc_ctrl;
u8 snap_oui[3];
__be16 snap_type;
} __packed;
struct ath10k *ath10k_mac_create(size_t priv_size);
void ath10k_mac_destroy(struct ath10k *ar);
int ath10k_mac_register(struct ath10k *ar);
void ath10k_mac_unregister(struct ath10k *ar);
struct ath10k_vif *ath10k_get_arvif(struct ath10k *ar, u32 vdev_id);
void __ath10k_scan_finish(struct ath10k *ar);
void ath10k_scan_finish(struct ath10k *ar);
void ath10k_scan_timeout_work(struct work_struct *work);
void ath10k_offchan_tx_purge(struct ath10k *ar);
void ath10k_offchan_tx_work(struct work_struct *work);
void ath10k_mgmt_over_wmi_tx_purge(struct ath10k *ar);
void ath10k_mgmt_over_wmi_tx_work(struct work_struct *work);
void ath10k_halt(struct ath10k *ar);
void ath10k_mac_vif_beacon_free(struct ath10k_vif *arvif);
void ath10k_drain_tx(struct ath10k *ar);
bool ath10k_mac_is_peer_wep_key_set(struct ath10k *ar, const u8 *addr,
u8 keyidx);
int ath10k_mac_vif_chan(struct ieee80211_vif *vif,
struct cfg80211_chan_def *def);
void ath10k_mac_handle_beacon(struct ath10k *ar, struct sk_buff *skb);
void ath10k_mac_handle_beacon_miss(struct ath10k *ar, u32 vdev_id);
void ath10k_mac_handle_tx_pause_vdev(struct ath10k *ar, u32 vdev_id,
enum wmi_tlv_tx_pause_id pause_id,
enum wmi_tlv_tx_pause_action action);
u8 ath10k_mac_hw_rate_to_idx(const struct ieee80211_supported_band *sband,
u8 hw_rate, bool cck);
u8 ath10k_mac_bitrate_to_idx(const struct ieee80211_supported_band *sband,
u32 bitrate);
void ath10k_mac_tx_lock(struct ath10k *ar, int reason);
void ath10k_mac_tx_unlock(struct ath10k *ar, int reason);
void ath10k_mac_vif_tx_lock(struct ath10k_vif *arvif, int reason);
void ath10k_mac_vif_tx_unlock(struct ath10k_vif *arvif, int reason);
bool ath10k_mac_tx_frm_has_freq(struct ath10k *ar);
static inline struct ath10k_vif *ath10k_vif_to_arvif(struct ieee80211_vif *vif)
{
return (struct ath10k_vif *)vif->drv_priv;
}
static inline void ath10k_tx_h_seq_no(struct ieee80211_vif *vif,
struct sk_buff *skb)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
if (arvif->tx_seq_no == 0)
arvif->tx_seq_no = 0x1000;
if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
arvif->tx_seq_no += 0x10;
hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
hdr->seq_ctrl |= cpu_to_le16(arvif->tx_seq_no);
}
}
#endif /* _MAC_H_ */
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