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
26struct ath10k_generic_iter {
27	struct ath10k *ar;
28	int ret;
29};
30
31struct ath10k *ath10k_mac_create(size_t priv_size);
32void ath10k_mac_destroy(struct ath10k *ar);
33int ath10k_mac_register(struct ath10k *ar);
34void ath10k_mac_unregister(struct ath10k *ar);
35struct ath10k_vif *ath10k_get_arvif(struct ath10k *ar, u32 vdev_id);
36void __ath10k_scan_finish(struct ath10k *ar);
37void ath10k_scan_finish(struct ath10k *ar);
38void ath10k_scan_timeout_work(struct work_struct *work);
39void ath10k_offchan_tx_purge(struct ath10k *ar);
40void ath10k_offchan_tx_work(struct work_struct *work);
41void ath10k_mgmt_over_wmi_tx_purge(struct ath10k *ar);
42void ath10k_mgmt_over_wmi_tx_work(struct work_struct *work);
43void ath10k_halt(struct ath10k *ar);
44void ath10k_mac_vif_beacon_free(struct ath10k_vif *arvif);
45void ath10k_drain_tx(struct ath10k *ar);
46bool ath10k_mac_is_peer_wep_key_set(struct ath10k *ar, const u8 *addr,
47				    u8 keyidx);
48
49static inline struct ath10k_vif *ath10k_vif_to_arvif(struct ieee80211_vif *vif)
50{
51	return (struct ath10k_vif *)vif->drv_priv;
52}
53
54static inline void ath10k_tx_h_seq_no(struct ieee80211_vif *vif,
55				      struct sk_buff *skb)
56{
57	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
58	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
59	struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
60
61	if (info->flags  & IEEE80211_TX_CTL_ASSIGN_SEQ) {
62		if (arvif->tx_seq_no == 0)
63			arvif->tx_seq_no = 0x1000;
64
65		if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
66			arvif->tx_seq_no += 0x10;
67		hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
68		hdr->seq_ctrl |= cpu_to_le16(arvif->tx_seq_no);
69	}
70}
71
72#endif /* _MAC_H_ */
73