diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/Kconfig | 8 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/Makefile | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9003_calib.c | 19 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ath9k.h | 10 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/debug.c | 197 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/debug.h | 35 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/debug_sta.c | 269 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/htc_drv_init.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/htc_drv_txrx.c | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/init.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/main.c | 40 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/recv.c | 22 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/xmit.c | 2 |
13 files changed, 449 insertions, 161 deletions
diff --git a/drivers/net/wireless/ath/ath9k/Kconfig b/drivers/net/wireless/ath/ath9k/Kconfig index 30d273c61bff..7b96b3e5712d 100644 --- a/drivers/net/wireless/ath/ath9k/Kconfig +++ b/drivers/net/wireless/ath/ath9k/Kconfig @@ -65,6 +65,14 @@ config ATH9K_DEBUGFS Also required for changing debug message flags at run time. +config ATH9K_STATION_STATISTICS + bool "Detailed station statistics" + depends on ATH9K && ATH9K_DEBUGFS && DEBUG_FS + select MAC80211_DEBUGFS + default n + ---help--- + This option enables detailed statistics for association stations. + config ATH9K_DFS_CERTIFIED bool "Atheros DFS support for certified platforms" depends on ATH9K && CFG80211_CERTIFICATION_ONUS diff --git a/drivers/net/wireless/ath/ath9k/Makefile b/drivers/net/wireless/ath/ath9k/Makefile index e9904e5ccd81..a40e5c5d7418 100644 --- a/drivers/net/wireless/ath/ath9k/Makefile +++ b/drivers/net/wireless/ath/ath9k/Makefile @@ -19,6 +19,8 @@ ath9k-$(CONFIG_ATH9K_WOW) += wow.o ath9k-$(CONFIG_ATH9K_DEBUGFS) += debug.o \ spectral.o +ath9k-$(CONFIG_ATH9K_STATION_STATISTICS) += debug_sta.o + obj-$(CONFIG_ATH9K) += ath9k.o ath9k_hw-y:= \ diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c index 8c145cd98c1c..a352128c40ad 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c @@ -565,7 +565,7 @@ static bool ar9003_hw_solve_iq_cal(struct ath_hw *ah, const s32 result_shift = 1 << 15; struct ath_common *common = ath9k_hw_common(ah); - f2 = (f1 * f1 + f3 * f3) / result_shift; + f2 = ((f1 >> 3) * (f1 >> 3) + (f3 >> 3) * (f3 >> 3)) >> 9; if (!f2) { ath_dbg(common, CALIBRATE, "Divide by 0\n"); @@ -655,8 +655,8 @@ static bool ar9003_hw_calc_iq_corr(struct ath_hw *ah, if (i2_m_q2_a0_d1 > 0x800) i2_m_q2_a0_d1 = -((0xfff - i2_m_q2_a0_d1) + 1); - if (i2_p_q2_a0_d1 > 0x800) - i2_p_q2_a0_d1 = -((0xfff - i2_p_q2_a0_d1) + 1); + if (i2_p_q2_a0_d1 > 0x1000) + i2_p_q2_a0_d1 = -((0x1fff - i2_p_q2_a0_d1) + 1); if (iq_corr_a0_d1 > 0x800) iq_corr_a0_d1 = -((0xfff - iq_corr_a0_d1) + 1); @@ -700,6 +700,19 @@ static bool ar9003_hw_calc_iq_corr(struct ath_hw *ah, return false; } + if ((i2_p_q2_a0_d0 < 1024) || (i2_p_q2_a0_d0 > 2047) || + (i2_p_q2_a1_d0 < 0) || (i2_p_q2_a1_d1 < 0) || + (i2_p_q2_a0_d0 <= i2_m_q2_a0_d0) || + (i2_p_q2_a0_d0 <= iq_corr_a0_d0) || + (i2_p_q2_a0_d1 <= i2_m_q2_a0_d1) || + (i2_p_q2_a0_d1 <= iq_corr_a0_d1) || + (i2_p_q2_a1_d0 <= i2_m_q2_a1_d0) || + (i2_p_q2_a1_d0 <= iq_corr_a1_d0) || + (i2_p_q2_a1_d1 <= i2_m_q2_a1_d1) || + (i2_p_q2_a1_d1 <= iq_corr_a1_d1)) { + return false; + } + mag_a0_d0 = (i2_m_q2_a0_d0 * res_scale) / i2_p_q2_a0_d0; phs_a0_d0 = (iq_corr_a0_d0 * res_scale) / i2_p_q2_a0_d0; diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index f622a986c8cc..b5ac32cfbeb8 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -146,7 +146,9 @@ int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd, #define ATH_AN_2_TID(_an, _tidno) (&(_an)->tid[(_tidno)]) -#define IS_CCK_RATE(rate) ((rate >= 0x18) && (rate <= 0x1e)) +#define IS_HT_RATE(rate) (rate & 0x80) +#define IS_CCK_RATE(rate) ((rate >= 0x18) && (rate <= 0x1e)) +#define IS_OFDM_RATE(rate) ((rate >= 0x8) && (rate <= 0xf)) struct ath_txq { int mac80211_qnum; /* mac80211 queue number, -1 means not mac80211 Q */ @@ -262,6 +264,10 @@ struct ath_node { bool sleeping; bool no_ps_filter; + +#ifdef CONFIG_ATH9K_STATION_STATISTICS + struct ath_rx_rate_stats rx_rate_stats; +#endif }; struct ath_tx_control { @@ -685,6 +691,7 @@ void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs); #define DEFAULT_CACHELINE 32 #define ATH_CABQ_READY_TIME 80 /* % of beacon interval */ #define ATH_TXPOWER_MAX 100 /* .5 dBm units */ +#define MAX_GTT_CNT 5 enum sc_op_flags { SC_OP_INVALID, @@ -727,6 +734,7 @@ struct ath_softc { unsigned long sc_flags; unsigned long driver_data; + u8 gtt_cnt; u32 intrstatus; u16 ps_flags; /* PS_* */ u16 curtxpow; diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index b041052a10ee..ab7264c1d8f7 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -943,14 +943,10 @@ static const struct file_operations fops_reset = { static ssize_t read_file_recv(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { -#define PHY_ERR(s, p) \ - len += scnprintf(buf + len, size - len, "%22s : %10u\n", s, \ - sc->debug.stats.rxstats.phy_err_stats[p]); - #define RXS_ERR(s, e) \ do { \ len += scnprintf(buf + len, size - len, \ - "%22s : %10u\n", s, \ + "%18s : %10u\n", s, \ sc->debug.stats.rxstats.e);\ } while (0) @@ -963,6 +959,12 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf, if (buf == NULL) return -ENOMEM; + RXS_ERR("PKTS-ALL", rx_pkts_all); + RXS_ERR("BYTES-ALL", rx_bytes_all); + RXS_ERR("BEACONS", rx_beacons); + RXS_ERR("FRAGS", rx_frags); + RXS_ERR("SPECTRAL", rx_spectral); + RXS_ERR("CRC ERR", crc_err); RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err); RXS_ERR("PHY ERR", phy_err); @@ -970,43 +972,10 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf, RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err); RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err); RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err); - RXS_ERR("RX-LENGTH-ERR", rx_len_err); - RXS_ERR("RX-OOM-ERR", rx_oom_err); - RXS_ERR("RX-RATE-ERR", rx_rate_err); - RXS_ERR("RX-TOO-MANY-FRAGS", rx_too_many_frags_err); - - PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN); - PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING); - PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY); - PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE); - PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH); - PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR); - PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE); - PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR); - PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING); - PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY); - PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL); - PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL); - PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP); - PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE); - PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART); - PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT); - PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING); - PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC); - PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL); - PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE); - PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART); - PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL); - PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP); - PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR); - PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL); - PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL); - - RXS_ERR("RX-Pkts-All", rx_pkts_all); - RXS_ERR("RX-Bytes-All", rx_bytes_all); - RXS_ERR("RX-Beacons", rx_beacons); - RXS_ERR("RX-Frags", rx_frags); - RXS_ERR("RX-Spectral", rx_spectral); + RXS_ERR("LENGTH-ERR", rx_len_err); + RXS_ERR("OOM-ERR", rx_oom_err); + RXS_ERR("RATE-ERR", rx_rate_err); + RXS_ERR("TOO-MANY-FRAGS", rx_too_many_frags_err); if (len > size) len = size; @@ -1017,7 +986,6 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf, return retval; #undef RXS_ERR -#undef PHY_ERR } void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs) @@ -1056,6 +1024,67 @@ static const struct file_operations fops_recv = { .llseek = default_llseek, }; +static ssize_t read_file_phy_err(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ +#define PHY_ERR(s, p) \ + len += scnprintf(buf + len, size - len, "%22s : %10u\n", s, \ + sc->debug.stats.rxstats.phy_err_stats[p]); + + struct ath_softc *sc = file->private_data; + char *buf; + unsigned int len = 0, size = 1600; + ssize_t retval = 0; + + buf = kzalloc(size, GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; + + PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN); + PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING); + PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY); + PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE); + PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH); + PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR); + PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE); + PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR); + PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING); + PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY); + PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL); + PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL); + PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP); + PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE); + PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART); + PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT); + PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING); + PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC); + PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL); + PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE); + PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART); + PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL); + PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP); + PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR); + PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL); + PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL); + + if (len > size) + len = size; + + retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); + kfree(buf); + + return retval; + +#undef PHY_ERR +} + +static const struct file_operations fops_phy_err = { + .read = read_file_phy_err, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + static ssize_t read_file_regidx(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -1322,86 +1351,6 @@ static const struct file_operations fops_btcoex = { }; #endif -static ssize_t read_file_node_stat(struct file *file, char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct ath_node *an = file->private_data; - struct ath_softc *sc = an->sc; - struct ath_atx_tid *tid; - struct ath_atx_ac *ac; - struct ath_txq *txq; - u32 len = 0, size = 4096; - char *buf; - size_t retval; - int tidno, acno; - - buf = kzalloc(size, GFP_KERNEL); - if (buf == NULL) - return -ENOMEM; - - if (!an->sta->ht_cap.ht_supported) { - len = scnprintf(buf, size, "%s\n", - "HT not supported"); - goto exit; - } - - len = scnprintf(buf, size, "Max-AMPDU: %d\n", - an->maxampdu); - len += scnprintf(buf + len, size - len, "MPDU Density: %d\n\n", - an->mpdudensity); - - len += scnprintf(buf + len, size - len, - "%2s%7s\n", "AC", "SCHED"); - - for (acno = 0, ac = &an->ac[acno]; - acno < IEEE80211_NUM_ACS; acno++, ac++) { - txq = ac->txq; - ath_txq_lock(sc, txq); - len += scnprintf(buf + len, size - len, - "%2d%7d\n", - acno, ac->sched); - ath_txq_unlock(sc, txq); - } - - len += scnprintf(buf + len, size - len, - "\n%3s%11s%10s%10s%10s%10s%9s%6s%8s\n", - "TID", "SEQ_START", "SEQ_NEXT", "BAW_SIZE", - "BAW_HEAD", "BAW_TAIL", "BAR_IDX", "SCHED", "PAUSED"); - - for (tidno = 0, tid = &an->tid[tidno]; - tidno < IEEE80211_NUM_TIDS; tidno++, tid++) { - txq = tid->ac->txq; - ath_txq_lock(sc, txq); - len += scnprintf(buf + len, size - len, - "%3d%11d%10d%10d%10d%10d%9d%6d%8d\n", - tid->tidno, tid->seq_start, tid->seq_next, - tid->baw_size, tid->baw_head, tid->baw_tail, - tid->bar_index, tid->sched, tid->paused); - ath_txq_unlock(sc, txq); - } -exit: - retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); - kfree(buf); - - return retval; -} - -static const struct file_operations fops_node_stat = { - .read = read_file_node_stat, - .open = simple_open, - .owner = THIS_MODULE, - .llseek = default_llseek, -}; - -void ath9k_sta_add_debugfs(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_sta *sta, - struct dentry *dir) -{ - struct ath_node *an = (struct ath_node *)sta->drv_priv; - debugfs_create_file("node_stat", S_IRUGO, dir, an, &fops_node_stat); -} - /* Ethtool support for get-stats */ #define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO" @@ -1569,6 +1518,8 @@ int ath9k_init_debug(struct ath_hw *ah) &fops_reset); debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc, &fops_recv); + debugfs_create_file("phy_err", S_IRUSR, sc->debug.debugfs_phy, sc, + &fops_phy_err); debugfs_create_u8("rx_chainmask", S_IRUSR, sc->debug.debugfs_phy, &ah->rxchainmask); debugfs_create_u8("tx_chainmask", S_IRUSR, sc->debug.debugfs_phy, diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h index ec02d38ea8ea..cc7a025d833e 100644 --- a/drivers/net/wireless/ath/ath9k/debug.h +++ b/drivers/net/wireless/ath/ath9k/debug.h @@ -27,11 +27,13 @@ struct fft_sample_tlv; #ifdef CONFIG_ATH9K_DEBUGFS #define TX_STAT_INC(q, c) sc->debug.stats.txstats[q].c++ +#define RX_STAT_INC(c) (sc->debug.stats.rxstats.c++) #define RESET_STAT_INC(sc, type) sc->debug.stats.reset[type]++ #define ANT_STAT_INC(i, c) sc->debug.stats.ant_stats[i].c++ #define ANT_LNA_INC(i, c) sc->debug.stats.ant_stats[i].lna_recv_cnt[c]++; #else #define TX_STAT_INC(q, c) do { } while (0) +#define RX_STAT_INC(c) #define RESET_STAT_INC(sc, type) do { } while (0) #define ANT_STAT_INC(i, c) do { } while (0) #define ANT_LNA_INC(i, c) do { } while (0) @@ -42,6 +44,7 @@ enum ath_reset_type { RESET_TYPE_BB_WATCHDOG, RESET_TYPE_FATAL_INT, RESET_TYPE_TX_ERROR, + RESET_TYPE_TX_GTT, RESET_TYPE_TX_HANG, RESET_TYPE_PLL_HANG, RESET_TYPE_MAC_HANG, @@ -201,7 +204,23 @@ struct ath_tx_stats { TXSTATS[PR_QNUM(IEEE80211_AC_VO)].elem); \ } while(0) -#define RX_STAT_INC(c) (sc->debug.stats.rxstats.c++) +struct ath_rx_rate_stats { + struct { + u32 ht20_cnt; + u32 ht40_cnt; + u32 sgi_cnt; + u32 lgi_cnt; + } ht_stats[24]; + + struct { + u32 ofdm_cnt; + } ofdm_stats[8]; + + struct { + u32 cck_lp_cnt; + u32 cck_sp_cnt; + } cck_stats[4]; +}; /** * struct ath_rx_stats - RX Statistics @@ -299,8 +318,6 @@ void ath9k_debug_sync_cause(struct ath_softc *sc, u32 sync_cause); #else -#define RX_STAT_INC(c) /* NOP */ - static inline int ath9k_init_debug(struct ath_hw *ah) { return 0; @@ -338,4 +355,16 @@ ath9k_debug_sync_cause(struct ath_softc *sc, u32 sync_cause) #endif /* CONFIG_ATH9K_DEBUGFS */ +#ifdef CONFIG_ATH9K_STATION_STATISTICS +void ath_debug_rate_stats(struct ath_softc *sc, + struct ath_rx_status *rs, + struct sk_buff *skb); +#else +static inline void ath_debug_rate_stats(struct ath_softc *sc, + struct ath_rx_status *rs, + struct sk_buff *skb) +{ +} +#endif /* CONFIG_ATH9K_STATION_STATISTICS */ + #endif /* DEBUG_H */ diff --git a/drivers/net/wireless/ath/ath9k/debug_sta.c b/drivers/net/wireless/ath/ath9k/debug_sta.c new file mode 100644 index 000000000000..d76e6e0120d2 --- /dev/null +++ b/drivers/net/wireless/ath/ath9k/debug_sta.c @@ -0,0 +1,269 @@ +/* + * Copyright (c) 2013 Qualcomm Atheros, 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 "ath9k.h" + +/*************/ +/* node_aggr */ +/*************/ + +static ssize_t read_file_node_aggr(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath_node *an = file->private_data; + struct ath_softc *sc = an->sc; + struct ath_atx_tid *tid; + struct ath_atx_ac *ac; + struct ath_txq *txq; + u32 len = 0, size = 4096; + char *buf; + size_t retval; + int tidno, acno; + + buf = kzalloc(size, GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; + + if (!an->sta->ht_cap.ht_supported) { + len = scnprintf(buf, size, "%s\n", + "HT not supported"); + goto exit; + } + + len = scnprintf(buf, size, "Max-AMPDU: %d\n", + an->maxampdu); + len += scnprintf(buf + len, size - len, "MPDU Density: %d\n\n", + an->mpdudensity); + + len += scnprintf(buf + len, size - len, + "%2s%7s\n", "AC", "SCHED"); + + for (acno = 0, ac = &an->ac[acno]; + acno < IEEE80211_NUM_ACS; acno++, ac++) { + txq = ac->txq; + ath_txq_lock(sc, txq); + len += scnprintf(buf + len, size - len, + "%2d%7d\n", + acno, ac->sched); + ath_txq_unlock(sc, txq); + } + + len += scnprintf(buf + len, size - len, + "\n%3s%11s%10s%10s%10s%10s%9s%6s%8s\n", + "TID", "SEQ_START", "SEQ_NEXT", "BAW_SIZE", + "BAW_HEAD", "BAW_TAIL", "BAR_IDX", "SCHED", "PAUSED"); + + for (tidno = 0, tid = &an->tid[tidno]; + tidno < IEEE80211_NUM_TIDS; tidno++, tid++) { + txq = tid->ac->txq; + ath_txq_lock(sc, txq); + if (tid->active) { + len += scnprintf(buf + len, size - len, + "%3d%11d%10d%10d%10d%10d%9d%6d%8d\n", + tid->tidno, + tid->seq_start, + tid->seq_next, + tid->baw_size, + tid->baw_head, + tid->baw_tail, + tid->bar_index, + tid->sched, + tid->paused); + } + ath_txq_unlock(sc, txq); + } +exit: + retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); + kfree(buf); + + return retval; +} + +static const struct file_operations fops_node_aggr = { + .read = read_file_node_aggr, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +/*************/ +/* node_recv */ +/*************/ + +void ath_debug_rate_stats(struct ath_softc *sc, + struct ath_rx_status *rs, + struct sk_buff *skb) +{ + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + struct ath_hw *ah = sc->sc_ah; + struct ieee80211_rx_status *rxs; + struct ath_rx_rate_stats *rstats; + struct ieee80211_sta *sta; + struct ath_node *an; + + if (!ieee80211_is_data(hdr->frame_control)) + return; + + rcu_read_lock(); + + sta = ieee80211_find_sta_by_ifaddr(sc->hw, hdr->addr2, NULL); + if (!sta) + goto exit; + + an = (struct ath_node *) sta->drv_priv; + rstats = &an->rx_rate_stats; + rxs = IEEE80211_SKB_RXCB(skb); + + if (IS_HT_RATE(rs->rs_rate)) { + if (rxs->rate_idx >= ARRAY_SIZE(rstats->ht_stats)) + goto exit; + + if (rxs->flag & RX_FLAG_40MHZ) + rstats->ht_stats[rxs->rate_idx].ht40_cnt++; + else + rstats->ht_stats[rxs->rate_idx].ht20_cnt++; + + if (rxs->flag & RX_FLAG_SHORT_GI) + rstats->ht_stats[rxs->rate_idx].sgi_cnt++; + else + rstats->ht_stats[rxs->rate_idx].lgi_cnt++; + + goto exit; + } + + if (IS_CCK_RATE(rs->rs_rate)) { + if (rxs->flag & RX_FLAG_SHORTPRE) + rstats->cck_stats[rxs->rate_idx].cck_sp_cnt++; + else + rstats->cck_stats[rxs->rate_idx].cck_lp_cnt++; + + goto exit; + } + + if (IS_OFDM_RATE(rs->rs_rate)) { + if (ah->curchan->chan->band == IEEE80211_BAND_2GHZ) + rstats->ofdm_stats[rxs->rate_idx - 4].ofdm_cnt++; + else + rstats->ofdm_stats[rxs->rate_idx].ofdm_cnt++; + } +exit: + rcu_read_unlock(); +} + +#define PRINT_CCK_RATE(str, i, sp) \ + do { \ + len += scnprintf(buf + len, size - len, \ + "%11s : %10u\n", \ + str, \ + (sp) ? rstats->cck_stats[i].cck_sp_cnt : \ + rstats->cck_stats[i].cck_lp_cnt); \ + } while (0) + +#define PRINT_OFDM_RATE(str, i) \ + do { \ + len += scnprintf(buf + len, size - len, \ + "%11s : %10u\n", \ + str, \ + rstats->ofdm_stats[i].ofdm_cnt); \ + } while (0) + +static ssize_t read_file_node_recv(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath_node *an = file->private_data; + struct ath_softc *sc = an->sc; + struct ath_hw *ah = sc->sc_ah; + struct ath_rx_rate_stats *rstats; + struct ieee80211_sta *sta = an->sta; + enum ieee80211_band band; + u32 len = 0, size = 4096; + char *buf; + size_t retval; + int i; + + buf = kzalloc(size, GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; + + band = ah->curchan->chan->band; + rstats = &an->rx_rate_stats; + + if (!sta->ht_cap.ht_supported) + goto legacy; + + len += scnprintf(buf + len, size - len, + "%24s%10s%10s%10s\n", + "HT20", "HT40", "SGI", "LGI"); + + for (i = 0; i < 24; i++) { + len += scnprintf(buf + len, size - len, + "%8s%3u : %10u%10u%10u%10u\n", + "MCS", i, + rstats->ht_stats[i].ht20_cnt, + rstats->ht_stats[i].ht40_cnt, + rstats->ht_stats[i].sgi_cnt, + rstats->ht_stats[i].lgi_cnt); + } + + len += scnprintf(buf + len, size - len, "\n"); + +legacy: + if (band == IEEE80211_BAND_2GHZ) { + PRINT_CCK_RATE("CCK-1M/LP", 0, false); + PRINT_CCK_RATE("CCK-2M/LP", 1, false); + PRINT_CCK_RATE("CCK-5.5M/LP", 2, false); + PRINT_CCK_RATE("CCK-11M/LP", 3, false); + + PRINT_CCK_RATE("CCK-2M/SP", 1, true); + PRINT_CCK_RATE("CCK-5.5M/SP", 2, true); + PRINT_CCK_RATE("CCK-11M/SP", 3, true); + } + + PRINT_OFDM_RATE("OFDM-6M", 0); + PRINT_OFDM_RATE("OFDM-9M", 1); + PRINT_OFDM_RATE("OFDM-12M", 2); + PRINT_OFDM_RATE("OFDM-18M", 3); + PRINT_OFDM_RATE("OFDM-24M", 4); + PRINT_OFDM_RATE("OFDM-36M", 5); + PRINT_OFDM_RATE("OFDM-48M", 6); + PRINT_OFDM_RATE("OFDM-54M", 7); + + retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); + kfree(buf); + + return retval; +} + +#undef PRINT_OFDM_RATE +#undef PRINT_CCK_RATE + +static const struct file_operations fops_node_recv = { + .read = read_file_node_recv, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +void ath9k_sta_add_debugfs(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct dentry *dir) +{ + struct ath_node *an = (struct ath_node *)sta->drv_priv; + + debugfs_create_file("node_aggr", S_IRUGO, dir, an, &fops_node_aggr); + debugfs_create_file("node_recv", S_IRUGO, dir, an, &fops_node_recv); +} diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c index b576c44bb314..f4e1de20d99c 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c @@ -748,7 +748,6 @@ static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv, WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL; hw->queues = 4; - hw->channel_change_time = 5000; hw->max_listen_interval = 1; hw->vif_data_size = sizeof(struct ath9k_htc_vif); diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c index b41e008298dc..12e0f32a4905 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c @@ -1075,9 +1075,7 @@ static bool ath9k_rx_prepare(struct ath9k_htc_priv *priv, last_rssi = priv->rx.last_rssi; - if (ieee80211_is_beacon(hdr->frame_control) && - !is_zero_ether_addr(common->curbssid) && - ether_addr_equal_64bits(hdr->addr3, common->curbssid)) { + if (ath_is_mybeacon(common, hdr)) { s8 rssi = rxbuf->rxstatus.rs_rssi; if (likely(last_rssi != ATH_RSSI_DUMMY_MARKER)) diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index f2a17fcf1ae4..c36de303c8f3 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -946,7 +946,6 @@ static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) hw->queues = 4; hw->max_rates = 4; - hw->channel_change_time = 5000; hw->max_listen_interval = 1; hw->max_rate_tries = 10; hw->sta_data_size = sizeof(struct ath_node); diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index d0c3aec7c74e..73a36551a5ed 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -258,6 +258,7 @@ static bool ath_complete_reset(struct ath_softc *sc, bool start) } } + sc->gtt_cnt = 0; ieee80211_wake_queues(sc->hw); return true; @@ -476,6 +477,19 @@ void ath9k_tasklet(unsigned long data) } } + if (status & ATH9K_INT_GTT) { + sc->gtt_cnt++; + + if ((sc->gtt_cnt >= MAX_GTT_CNT) && !ath9k_hw_check_alive(ah)) { + type = RESET_TYPE_TX_GTT; + ath9k_queue_reset(sc, type); + atomic_inc(&ah->intr_ref_cnt); + ath_dbg(common, ANY, + "GTT: Skipping interrupts\n"); + goto out; + } + } + spin_lock_irqsave(&sc->sc_pm_lock, flags); if ((status & ATH9K_INT_TSFOOR) && sc->ps_enabled) { /* @@ -503,10 +517,19 @@ void ath9k_tasklet(unsigned long data) } if (status & ATH9K_INT_TX) { - if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) + if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { + /* + * For EDMA chips, TX completion is enabled for the + * beacon queue, so if a beacon has been transmitted + * successfully after a GTT interrupt, the GTT counter + * gets reset to zero here. + */ + /* sc->gtt_cnt = 0; */ + ath_tx_edma_tasklet(sc); - else + } else { ath_tx_tasklet(sc); + } wake_up(&sc->tx_wait); } @@ -536,13 +559,13 @@ irqreturn_t ath_isr(int irq, void *dev) ATH9K_INT_TX | \ ATH9K_INT_BMISS | \ ATH9K_INT_CST | \ + ATH9K_INT_GTT | \ ATH9K_INT_TSFOOR | \ ATH9K_INT_GENTIMER | \ ATH9K_INT_MCI) struct ath_softc *sc = dev; struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(ah); enum ath9k_int status; u32 sync_cause = 0; bool sched = false; @@ -603,14 +626,12 @@ irqreturn_t ath_isr(int irq, void *dev) #ifdef CONFIG_ATH9K_WOW if (status & ATH9K_INT_BMISS) { if (atomic_read(&sc->wow_sleep_proc_intr) == 0) { - ath_dbg(common, ANY, "during WoW we got a BMISS\n"); atomic_inc(&sc->wow_got_bmiss_intr); atomic_dec(&sc->wow_sleep_proc_intr); } } #endif - if (status & ATH9K_INT_SWBA) tasklet_schedule(&sc->bcon_tasklet); @@ -735,7 +756,12 @@ static int ath9k_start(struct ieee80211_hw *hw) if (ah->config.hw_hang_checks & HW_BB_WATCHDOG) ah->imask |= ATH9K_INT_BB_WATCHDOG; - ah->imask |= ATH9K_INT_GTT; + /* + * Enable GTT interrupts only for AR9003/AR9004 chips + * for now. + */ + if (AR_SREV_9300_20_OR_LATER(ah)) + ah->imask |= ATH9K_INT_GTT; if (ah->caps.hw_caps & ATH9K_HW_CAP_HT) ah->imask |= ATH9K_INT_CST; @@ -2111,7 +2137,7 @@ struct ieee80211_ops ath9k_ops = { .get_et_strings = ath9k_get_et_strings, #endif -#if defined(CONFIG_MAC80211_DEBUGFS) && defined(CONFIG_ATH9K_DEBUGFS) +#if defined(CONFIG_MAC80211_DEBUGFS) && defined(CONFIG_ATH9K_STATION_STATISTICS) .sta_add_debugfs = ath9k_sta_add_debugfs, #endif .sw_scan_start = ath9k_sw_scan_start, diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index f7cc5b37a18f..a0ebdd000fc2 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -969,21 +969,6 @@ static void ath9k_process_tsf(struct ath_rx_status *rs, rxs->mactime += 0x100000000ULL; } -static bool ath9k_is_mybeacon(struct ath_softc *sc, struct ieee80211_hdr *hdr) -{ - struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(ah); - - if (ieee80211_is_beacon(hdr->frame_control)) { - RX_STAT_INC(rx_beacons); - if (!is_zero_ether_addr(common->curbssid) && - ether_addr_equal_64bits(hdr->addr3, common->curbssid)) - return true; - } - - return false; -} - /* * For Decrypt or Demic errors, we only mark packet status here and always push * up the frame up to let mac80211 handle the actual error case, be it no @@ -1071,7 +1056,10 @@ static int ath9k_rx_skb_preprocess(struct ath_softc *sc, goto exit; } - rx_stats->is_mybeacon = ath9k_is_mybeacon(sc, hdr); + if (ath_is_mybeacon(common, hdr)) { + RX_STAT_INC(rx_beacons); + rx_stats->is_mybeacon = true; + } /* * This shouldn't happen, but have a safety check anyway. @@ -1354,8 +1342,8 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp) spin_unlock_irqrestore(&sc->sc_pm_lock, flags); ath9k_antenna_check(sc, &rs); - ath9k_apply_ampdu_details(sc, &rs, rxs); + ath_debug_rate_stats(sc, &rs, skb); ieee80211_rx(hw, skb); diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index e8d0e7fc77da..0a75e2f68c9d 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -47,8 +47,6 @@ static u16 bits_per_symbol[][2] = { { 260, 540 }, /* 7: 64-QAM 5/6 */ }; -#define IS_HT_RATE(_rate) ((_rate) & 0x80) - static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq, struct ath_atx_tid *tid, struct sk_buff *skb); static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb, |