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- /*
- * Copyright (c) 2009-2011 Atheros Communications 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.
- */
- #include <net/mac80211.h>
- #include "../ath.h"
- #include "hw.h"
- #include "hw-ops.h"
- /* Common header for Atheros 802.11n base driver cores */
- #define WME_BA_BMP_SIZE 64
- #define WME_MAX_BA WME_BA_BMP_SIZE
- #define ATH_TID_MAX_BUFS (2 * WME_MAX_BA)
- #define ATH_RSSI_DUMMY_MARKER 127
- #define ATH_RSSI_LPF_LEN 10
- #define RSSI_LPF_THRESHOLD -20
- #define ATH_RSSI_EP_MULTIPLIER (1<<7)
- #define ATH_EP_MUL(x, mul) ((x) * (mul))
- #define ATH_RSSI_IN(x) (ATH_EP_MUL((x), ATH_RSSI_EP_MULTIPLIER))
- #define ATH_LPF_RSSI(x, y, len) \
- ((x != ATH_RSSI_DUMMY_MARKER) ? (((x) * ((len) - 1) + (y)) / (len)) : (y))
- #define ATH_RSSI_LPF(x, y) do { \
- if ((y) >= RSSI_LPF_THRESHOLD) \
- x = ATH_LPF_RSSI((x), ATH_RSSI_IN((y)), ATH_RSSI_LPF_LEN); \
- } while (0)
- #define ATH_EP_RND(x, mul) \
- ((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
- int ath9k_cmn_padpos(__le16 frame_control);
- int ath9k_cmn_get_hw_crypto_keytype(struct sk_buff *skb);
- void ath9k_cmn_update_ichannel(struct ath9k_channel *ichan,
- struct ieee80211_channel *chan,
- enum nl80211_channel_type channel_type);
- struct ath9k_channel *ath9k_cmn_get_curchannel(struct ieee80211_hw *hw,
- struct ath_hw *ah);
- int ath9k_cmn_count_streams(unsigned int chainmask, int max);
- void ath9k_cmn_btcoex_bt_stomp(struct ath_common *common,
- enum ath_stomp_type stomp_type);
- void ath9k_cmn_update_txpow(struct ath_hw *ah, u16 cur_txpow,
- u16 new_txpow, u16 *txpower);
- void ath9k_cmn_init_crypto(struct ath_hw *ah);
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