xref: /openbmc/linux/drivers/net/wireless/ath/ath10k/mac.h (revision e0bf6c5c)
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 ath10k *ath10k_mac_create(size_t priv_size);
32 void ath10k_mac_destroy(struct ath10k *ar);
33 int ath10k_mac_register(struct ath10k *ar);
34 void ath10k_mac_unregister(struct ath10k *ar);
35 struct ath10k_vif *ath10k_get_arvif(struct ath10k *ar, u32 vdev_id);
36 void __ath10k_scan_finish(struct ath10k *ar);
37 void ath10k_scan_finish(struct ath10k *ar);
38 void ath10k_scan_timeout_work(struct work_struct *work);
39 void ath10k_offchan_tx_purge(struct ath10k *ar);
40 void ath10k_offchan_tx_work(struct work_struct *work);
41 void ath10k_mgmt_over_wmi_tx_purge(struct ath10k *ar);
42 void ath10k_mgmt_over_wmi_tx_work(struct work_struct *work);
43 void ath10k_halt(struct ath10k *ar);
44 void ath10k_mac_vif_beacon_free(struct ath10k_vif *arvif);
45 void ath10k_drain_tx(struct ath10k *ar);
46 bool ath10k_mac_is_peer_wep_key_set(struct ath10k *ar, const u8 *addr,
47 				    u8 keyidx);
48 
49 static inline struct ath10k_vif *ath10k_vif_to_arvif(struct ieee80211_vif *vif)
50 {
51 	return (struct ath10k_vif *)vif->drv_priv;
52 }
53 
54 static 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