/*
* Copyright (c) 2008-2009 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.
*/
#ifndef ANI_H
#define ANI_H
#define HAL_PROCESS_ANI 0x00000001
#define ATH9K_RSSI_EP_MULTIPLIER (1<<7)
#define DO_ANI(ah) (((ah)->proc_phyerr & HAL_PROCESS_ANI))
#define HAL_EP_RND(x, mul) \
((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul))
#define BEACON_RSSI(ahp) \
HAL_EP_RND(ahp->stats.ast_nodestats.ns_avgbrssi, \
ATH9K_RSSI_EP_MULTIPLIER)
#define ATH9K_ANI_OFDM_TRIG_HIGH 500
#define ATH9K_ANI_OFDM_TRIG_LOW 200
#define ATH9K_ANI_CCK_TRIG_HIGH 200
#define ATH9K_ANI_CCK_TRIG_LOW 100
#define ATH9K_ANI_NOISE_IMMUNE_LVL 4
#define ATH9K_ANI_USE_OFDM_WEAK_SIG true
#define ATH9K_ANI_CCK_WEAK_SIG_THR false
#define ATH9K_ANI_SPUR_IMMUNE_LVL 7
#define ATH9K_ANI_FIRSTEP_LVL 0
#define ATH9K_ANI_RSSI_THR_HIGH 40
#define ATH9K_ANI_RSSI_THR_LOW 7
#define ATH9K_ANI_PERIOD 100
#define HAL_NOISE_IMMUNE_MAX 4
#define HAL_SPUR_IMMUNE_MAX 7
#define HAL_FIRST_STEP_MAX 2
enum ath9k_ani_cmd {
ATH9K_ANI_PRESENT = 0x1,
ATH9K_ANI_NOISE_IMMUNITY_LEVEL = 0x2,
ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION = 0x4,
ATH9K_ANI_CCK_WEAK_SIGNAL_THR = 0x8,
ATH9K_ANI_FIRSTEP_LEVEL = 0x10,
ATH9K_ANI_SPUR_IMMUNITY_LEVEL = 0x20,
ATH9K_ANI_MODE = 0x40,
ATH9K_ANI_PHYERR_RESET = 0x80,
ATH9K_ANI_ALL = 0xff
};
struct ath9k_mib_stats {
u32 ackrcv_bad;
u32 rts_bad;
u32 rts_good;
u32 fcs_bad;
u32 beacons;
};
struct ath9k_node_stats {
u32 ns_avgbrssi;
u32 ns_avgrssi;
u32 ns_avgtxrssi;
u32 ns_avgtxrate;
};
struct ar5416AniState {
struct ath9k_channel *c;
u8 noiseImmunityLevel;
u8 spurImmunityLevel;
u8 firstepLevel;
u8 ofdmWeakSigDetectOff;
u8 cckWeakSigThreshold;
u32 listenTime;
u32 ofdmTrigHigh;
u32 ofdmTrigLow;
int32_t cckTrigHigh;
int32_t cckTrigLow;
int32_t rssiThrLow;
int32_t rssiThrHigh;
u32 noiseFloor;
u32 txFrameCount;
u32 rxFrameCount;
u32 cycleCount;
u32 ofdmPhyErrCount;
u32 cckPhyErrCount;
u32 ofdmPhyErrBase;
u32 cckPhyErrBase;
int16_t pktRssi[2];
int16_t ofdmErrRssi[2];
int16_t cckErrRssi[2];
};
struct ar5416Stats {
u32 ast_ani_niup;
u32 ast_ani_nidown;
u32 ast_ani_spurup;
u32 ast_ani_spurdown;
u32 ast_ani_ofdmon;
u32 ast_ani_ofdmoff;
u32 ast_ani_cckhigh;
u32 ast_ani_ccklow;
u32 ast_ani_stepup;
u32 ast_ani_stepdown;
u32 ast_ani_ofdmerrs;
u32 ast_ani_cckerrs;
u32 ast_ani_reset;
u32 ast_ani_lzero;
u32 ast_ani_lneg;
struct ath9k_mib_stats ast_mibstats;
struct ath9k_node_stats ast_nodestats;
};
#define ah_mibStats stats.ast_mibstats
void ath9k_ani_reset(struct ath_hw *ah);
void ath9k_hw_ani_monitor(struct ath_hw *ah,
const struct ath9k_node_stats *stats,
struct ath9k_channel *chan);
bool ath9k_hw_phycounters(struct ath_hw *ah);
void ath9k_enable_mib_counters(struct ath_hw *ah);
void ath9k_hw_disable_mib_counters(struct ath_hw *ah);
u32 ath9k_hw_GetMibCycleCountsPct(struct ath_hw *ah, u32 *rxc_pcnt,
u32 *rxf_pcnt, u32 *txf_pcnt);
void ath9k_hw_procmibevent(struct ath_hw *ah,
const struct ath9k_node_stats *stats);
void ath9k_hw_ani_setup(struct ath_hw *ah);
void ath9k_hw_ani_init(struct ath_hw *ah);
void ath9k_hw_ani_disable(struct ath_hw *ah);
#endif /* ANI_H */
