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 enum wmi_tlv_tx_pause_id; 27 enum wmi_tlv_tx_pause_action; 28 29 struct ath10k_generic_iter { 30 struct ath10k *ar; 31 int ret; 32 }; 33 34 struct 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 42 struct ath10k *ath10k_mac_create(size_t priv_size); 43 void ath10k_mac_destroy(struct ath10k *ar); 44 int ath10k_mac_register(struct ath10k *ar); 45 void ath10k_mac_unregister(struct ath10k *ar); 46 struct ath10k_vif *ath10k_get_arvif(struct ath10k *ar, u32 vdev_id); 47 void __ath10k_scan_finish(struct ath10k *ar); 48 void ath10k_scan_finish(struct ath10k *ar); 49 void ath10k_scan_timeout_work(struct work_struct *work); 50 void ath10k_offchan_tx_purge(struct ath10k *ar); 51 void ath10k_offchan_tx_work(struct work_struct *work); 52 void ath10k_mgmt_over_wmi_tx_purge(struct ath10k *ar); 53 void ath10k_mgmt_over_wmi_tx_work(struct work_struct *work); 54 void ath10k_halt(struct ath10k *ar); 55 void ath10k_mac_vif_beacon_free(struct ath10k_vif *arvif); 56 void ath10k_drain_tx(struct ath10k *ar); 57 bool ath10k_mac_is_peer_wep_key_set(struct ath10k *ar, const u8 *addr, 58 u8 keyidx); 59 int ath10k_mac_vif_chan(struct ieee80211_vif *vif, 60 struct cfg80211_chan_def *def); 61 62 void ath10k_mac_handle_beacon(struct ath10k *ar, struct sk_buff *skb); 63 void ath10k_mac_handle_beacon_miss(struct ath10k *ar, u32 vdev_id); 64 void 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 68 u8 ath10k_mac_hw_rate_to_idx(const struct ieee80211_supported_band *sband, 69 u8 hw_rate); 70 u8 ath10k_mac_bitrate_to_idx(const struct ieee80211_supported_band *sband, 71 u32 bitrate); 72 73 void ath10k_mac_tx_lock(struct ath10k *ar, int reason); 74 void ath10k_mac_tx_unlock(struct ath10k *ar, int reason); 75 void ath10k_mac_vif_tx_lock(struct ath10k_vif *arvif, int reason); 76 void ath10k_mac_vif_tx_unlock(struct ath10k_vif *arvif, int reason); 77 78 static inline struct ath10k_vif *ath10k_vif_to_arvif(struct ieee80211_vif *vif) 79 { 80 return (struct ath10k_vif *)vif->drv_priv; 81 } 82 83 static inline void ath10k_tx_h_seq_no(struct ieee80211_vif *vif, 84 struct sk_buff *skb) 85 { 86 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 87 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 88 struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif); 89 90 if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) { 91 if (arvif->tx_seq_no == 0) 92 arvif->tx_seq_no = 0x1000; 93 94 if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT) 95 arvif->tx_seq_no += 0x10; 96 hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); 97 hdr->seq_ctrl |= cpu_to_le16(arvif->tx_seq_no); 98 } 99 } 100 101 #endif /* _MAC_H_ */ 102