/* * 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" #include "common-init.h" #include "common-beacon.h" #include "common-debug.h" #include "common-spectral.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)/2)) / (mul)) #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024) struct ath_beacon_config { struct ieee80211_vif *main_vif; int beacon_interval; u16 dtim_period; u16 bmiss_timeout; u8 dtim_count; u8 enable_beacon; bool ibss_creator; u32 nexttbtt; u32 intval; }; bool ath9k_cmn_rx_accept(struct ath_common *common, struct ieee80211_hdr *hdr, struct ieee80211_rx_status *rxs, struct ath_rx_status *rx_stats, bool *decrypt_error, unsigned int rxfilter); void ath9k_cmn_rx_skb_postprocess(struct ath_common *common, struct sk_buff *skb, struct ath_rx_status *rx_stats, struct ieee80211_rx_status *rxs, bool decrypt_error); int ath9k_cmn_process_rate(struct ath_common *common, struct ieee80211_hw *hw, struct ath_rx_status *rx_stats, struct ieee80211_rx_status *rxs); void ath9k_cmn_process_rssi(struct ath_common *common, struct ieee80211_hw *hw, struct ath_rx_status *rx_stats, struct ieee80211_rx_status *rxs); int ath9k_cmn_get_hw_crypto_keytype(struct sk_buff *skb); struct ath9k_channel *ath9k_cmn_get_channel(struct ieee80211_hw *hw, struct ath_hw *ah, struct cfg80211_chan_def *chandef); 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);