diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/common.h')
-rw-r--r-- | drivers/net/wireless/ath/ath9k/common.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/common.h b/drivers/net/wireless/ath/ath9k/common.h new file mode 100644 index 00000000..ad14fecc --- /dev/null +++ b/drivers/net/wireless/ath/ath9k/common.h @@ -0,0 +1,65 @@ +/* + * 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_NUM_TID 16 +#define WME_BA_BMP_SIZE 64 +#define WME_MAX_BA WME_BA_BMP_SIZE +#define ATH_TID_MAX_BUFS (2 * WME_MAX_BA) + +/* These must match mac80211 skb queue mapping numbers */ +#define WME_AC_VO 0 +#define WME_AC_VI 1 +#define WME_AC_BE 2 +#define WME_AC_BK 3 +#define WME_NUM_AC 4 + +#define ATH_RSSI_DUMMY_MARKER 0x127 +#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); |