From 17e37536a243b6763518d83c053fe480bbd0e3ca Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Thu, 1 Mar 2012 15:13:33 +0000 Subject: [PATCH] ath9k: disable MAC sample debugging, it is almost never used and wastes precious CPU cycles SVN-Revision: 30764 --- .../mac80211/patches/300-pending_work.patch | 145 ++++++++++++++++++ .../patches/500-ath9k_eeprom_debugfs.patch | 6 +- .../patches/513-ath9k_channelbw_debugfs.patch | 4 +- .../patches/540-ath9k_limit_qlen.patch | 2 +- .../550-ath9k_debug_remove_packet_rssi.patch | 6 +- .../551-ath9k_per_chain_signal_strength.patch | 4 +- .../patches/560-ath9k_extra_leds.patch | 12 +- 7 files changed, 162 insertions(+), 17 deletions(-) diff --git a/package/mac80211/patches/300-pending_work.patch b/package/mac80211/patches/300-pending_work.patch index d367b9f617..8bb89422ed 100644 --- a/package/mac80211/patches/300-pending_work.patch +++ b/package/mac80211/patches/300-pending_work.patch @@ -995,3 +995,148 @@ } static int cmp_bss(struct cfg80211_bss *a, +--- a/drivers/net/wireless/ath/ath9k/Kconfig ++++ b/drivers/net/wireless/ath/ath9k/Kconfig +@@ -81,6 +81,14 @@ config ATH9K_DFS_CERTIFIED + developed. At this point enabling this option won't do anything + except increase code size. + ++config ATH9K_MAC_DEBUG ++ bool "Atheros MAC statistics" ++ depends on ATH9K_DEBUGFS ++ default y ++ ---help--- ++ This option enables collection of statistics for Rx/Tx status ++ data and some other MAC related statistics ++ + config ATH9K_RATE_CONTROL + bool "Atheros ath9k rate control" + depends on ATH9K +--- a/drivers/net/wireless/ath/ath9k/debug.c ++++ b/drivers/net/wireless/ath/ath9k/debug.c +@@ -818,6 +818,7 @@ void ath_debug_stat_tx(struct ath_softc + if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN) + TX_STAT_INC(qnum, delim_underrun); + ++#ifdef CONFIG_ATH9K_MAC_DEBUG + spin_lock(&sc->debug.samp_lock); + TX_SAMP_DBG(jiffies) = jiffies; + TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0; +@@ -844,6 +845,7 @@ void ath_debug_stat_tx(struct ath_softc + + sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES; + spin_unlock(&sc->debug.samp_lock); ++#endif + + #undef TX_SAMP_DBG + } +@@ -1019,6 +1021,7 @@ void ath_debug_stat_rx(struct ath_softc + + sc->debug.stats.rxstats.rs_antenna = rs->rs_antenna; + ++#ifdef CONFIG_ATH9K_MAC_DEBUG + spin_lock(&sc->debug.samp_lock); + RX_SAMP_DBG(jiffies) = jiffies; + RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0; +@@ -1035,6 +1038,8 @@ void ath_debug_stat_rx(struct ath_softc + sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES; + spin_unlock(&sc->debug.samp_lock); + ++#endif ++ + #undef RX_STAT_INC + #undef RX_PHY_ERR_INC + #undef RX_SAMP_DBG +@@ -1278,6 +1283,8 @@ static const struct file_operations fops + .llseek = default_llseek, + }; + ++#ifdef CONFIG_ATH9K_MAC_DEBUG ++ + void ath9k_debug_samp_bb_mac(struct ath_softc *sc) + { + #define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c) +@@ -1551,6 +1558,7 @@ static const struct file_operations fops + .llseek = default_llseek, + }; + ++#endif + + int ath9k_init_debug(struct ath_hw *ah) + { +@@ -1604,8 +1612,10 @@ int ath9k_init_debug(struct ath_hw *ah) + &fops_base_eeprom); + debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc, + &fops_modal_eeprom); ++#ifdef CONFIG_ATH9K_MAC_DEBUG + debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc, + &fops_samps); ++#endif + + debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR, + sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask); +--- a/drivers/net/wireless/ath/ath9k/debug.h ++++ b/drivers/net/wireless/ath/ath9k/debug.h +@@ -235,16 +235,17 @@ struct ath9k_debug { + struct dentry *debugfs_phy; + u32 regidx; + struct ath_stats stats; ++#ifdef CONFIG_ATH9K_MAC_DEBUG + spinlock_t samp_lock; + struct ath_dbg_bb_mac_samp bb_mac_samp[ATH_DBG_MAX_SAMPLES]; + u8 sampidx; + u8 tsidx; + u8 rsidx; ++#endif + }; + + int ath9k_init_debug(struct ath_hw *ah); + +-void ath9k_debug_samp_bb_mac(struct ath_softc *sc); + void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status); + void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf, + struct ath_tx_status *ts, struct ath_txq *txq, +@@ -258,10 +259,6 @@ static inline int ath9k_init_debug(struc + return 0; + } + +-static inline void ath9k_debug_samp_bb_mac(struct ath_softc *sc) +-{ +-} +- + static inline void ath_debug_stat_interrupt(struct ath_softc *sc, + enum ath9k_int status) + { +@@ -282,4 +279,17 @@ static inline void ath_debug_stat_rx(str + + #endif /* CONFIG_ATH9K_DEBUGFS */ + ++#ifdef CONFIG_ATH9K_MAC_DEBUG ++ ++void ath9k_debug_samp_bb_mac(struct ath_softc *sc); ++ ++#else ++ ++static inline void ath9k_debug_samp_bb_mac(struct ath_softc *sc) ++{ ++} ++ ++#endif ++ ++ + #endif /* DEBUG_H */ +--- a/drivers/net/wireless/ath/ath9k/init.c ++++ b/drivers/net/wireless/ath/ath9k/init.c +@@ -555,9 +555,11 @@ static int ath9k_init_softc(u16 devid, s + mutex_init(&sc->mutex); + #ifdef CONFIG_ATH9K_DEBUGFS + spin_lock_init(&sc->nodes_lock); +- spin_lock_init(&sc->debug.samp_lock); + INIT_LIST_HEAD(&sc->nodes); + #endif ++#ifdef CONFIG_ATH9K_MAC_DEBUG ++ spin_lock_init(&sc->debug.samp_lock); ++#endif + tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc); + tasklet_init(&sc->bcon_tasklet, ath_beacon_tasklet, + (unsigned long)sc); diff --git a/package/mac80211/patches/500-ath9k_eeprom_debugfs.patch b/package/mac80211/patches/500-ath9k_eeprom_debugfs.patch index 3bdcb2aac5..cbece0b41d 100644 --- a/package/mac80211/patches/500-ath9k_eeprom_debugfs.patch +++ b/package/mac80211/patches/500-ath9k_eeprom_debugfs.patch @@ -1,8 +1,8 @@ --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c -@@ -1552,6 +1552,53 @@ static const struct file_operations fops - }; +@@ -1560,6 +1560,53 @@ static const struct file_operations fops + #endif +static ssize_t read_file_eeprom(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) @@ -54,7 +54,7 @@ int ath9k_init_debug(struct ath_hw *ah) { struct ath_common *common = ath9k_hw_common(ah); -@@ -1613,5 +1660,8 @@ int ath9k_init_debug(struct ath_hw *ah) +@@ -1623,5 +1670,8 @@ int ath9k_init_debug(struct ath_hw *ah) debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, &sc->sc_ah->gpio_val); diff --git a/package/mac80211/patches/513-ath9k_channelbw_debugfs.patch b/package/mac80211/patches/513-ath9k_channelbw_debugfs.patch index 527ef3b529..99ba153c5a 100644 --- a/package/mac80211/patches/513-ath9k_channelbw_debugfs.patch +++ b/package/mac80211/patches/513-ath9k_channelbw_debugfs.patch @@ -18,7 +18,7 @@ --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c -@@ -1599,6 +1599,50 @@ static const struct file_operations fops +@@ -1607,6 +1607,50 @@ static const struct file_operations fops .owner = THIS_MODULE }; @@ -69,7 +69,7 @@ int ath9k_init_debug(struct ath_hw *ah) { struct ath_common *common = ath9k_hw_common(ah); -@@ -1663,5 +1707,8 @@ int ath9k_init_debug(struct ath_hw *ah) +@@ -1673,5 +1717,8 @@ int ath9k_init_debug(struct ath_hw *ah) debugfs_create_file("eeprom", S_IRUSR, sc->debug.debugfs_phy, sc, &fops_eeprom); diff --git a/package/mac80211/patches/540-ath9k_limit_qlen.patch b/package/mac80211/patches/540-ath9k_limit_qlen.patch index bf1811bae8..1ff666d4d3 100644 --- a/package/mac80211/patches/540-ath9k_limit_qlen.patch +++ b/package/mac80211/patches/540-ath9k_limit_qlen.patch @@ -20,7 +20,7 @@ spinlock_t txbuflock; --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c -@@ -1666,6 +1666,10 @@ int ath9k_init_debug(struct ath_hw *ah) +@@ -1674,6 +1674,10 @@ int ath9k_init_debug(struct ath_hw *ah) &fops_interrupt); debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc, &fops_xmit); diff --git a/package/mac80211/patches/550-ath9k_debug_remove_packet_rssi.patch b/package/mac80211/patches/550-ath9k_debug_remove_packet_rssi.patch index 01d64ba2e4..ac9433654d 100644 --- a/package/mac80211/patches/550-ath9k_debug_remove_packet_rssi.patch +++ b/package/mac80211/patches/550-ath9k_debug_remove_packet_rssi.patch @@ -1,6 +1,6 @@ --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c -@@ -942,27 +942,6 @@ static ssize_t read_file_recv(struct fil +@@ -944,27 +944,6 @@ static ssize_t read_file_recv(struct fil PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL); len += snprintf(buf + len, size - len, @@ -28,7 +28,7 @@ "%22s : %10u\n", "RX-Pkts-All", sc->debug.stats.rxstats.rx_pkts_all); len += snprintf(buf + len, size - len, -@@ -1009,16 +988,6 @@ void ath_debug_stat_rx(struct ath_softc +@@ -1011,16 +990,6 @@ void ath_debug_stat_rx(struct ath_softc RX_PHY_ERR_INC(rs->rs_phyerr); } @@ -42,9 +42,9 @@ - - sc->debug.stats.rxstats.rs_antenna = rs->rs_antenna; - + #ifdef CONFIG_ATH9K_MAC_DEBUG spin_lock(&sc->debug.samp_lock); RX_SAMP_DBG(jiffies) = jiffies; - RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0; --- a/drivers/net/wireless/ath/ath9k/debug.h +++ b/drivers/net/wireless/ath/ath9k/debug.h @@ -165,13 +165,6 @@ struct ath_rx_stats { diff --git a/package/mac80211/patches/551-ath9k_per_chain_signal_strength.patch b/package/mac80211/patches/551-ath9k_per_chain_signal_strength.patch index a47db4e90f..6b4857ba14 100644 --- a/package/mac80211/patches/551-ath9k_per_chain_signal_strength.patch +++ b/package/mac80211/patches/551-ath9k_per_chain_signal_strength.patch @@ -250,8 +250,8 @@ if (ads.ds_rxstatus8 & AR_RxKeyIdxValid) --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c -@@ -990,12 +990,12 @@ void ath_debug_stat_rx(struct ath_softc - +@@ -993,12 +993,12 @@ void ath_debug_stat_rx(struct ath_softc + #ifdef CONFIG_ATH9K_MAC_DEBUG spin_lock(&sc->debug.samp_lock); RX_SAMP_DBG(jiffies) = jiffies; - RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0; diff --git a/package/mac80211/patches/560-ath9k_extra_leds.patch b/package/mac80211/patches/560-ath9k_extra_leds.patch index ed749ed13c..0557ec322d 100644 --- a/package/mac80211/patches/560-ath9k_extra_leds.patch +++ b/package/mac80211/patches/560-ath9k_extra_leds.patch @@ -171,7 +171,7 @@ --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c -@@ -757,7 +757,7 @@ int ath9k_init_device(u16 devid, struct +@@ -759,7 +759,7 @@ int ath9k_init_device(u16 devid, struct #ifdef CONFIG_MAC80211_LEDS /* must be initialized before ieee80211_register_hw */ @@ -182,9 +182,9 @@ #endif --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c -@@ -1247,6 +1247,61 @@ static const struct file_operations fops - .llseek = default_llseek, - }; +@@ -1254,6 +1254,61 @@ static const struct file_operations fops + + #ifdef CONFIG_ATH9K_MAC_DEBUG +#ifdef CONFIG_MAC80211_LEDS + @@ -244,9 +244,9 @@ void ath9k_debug_samp_bb_mac(struct ath_softc *sc) { #define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c) -@@ -1671,6 +1726,11 @@ int ath9k_init_debug(struct ath_hw *ah) - debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc, +@@ -1681,6 +1736,11 @@ int ath9k_init_debug(struct ath_hw *ah) &fops_samps); + #endif +#ifdef CONFIG_MAC80211_LEDS + debugfs_create_file("gpio_led", S_IWUSR, -- 2.30.2