From 96742256aba8c458d49af42610557977245be82d Mon Sep 17 00:00:00 2001 From: "Luis R. Rodriguez" Date: Tue, 23 Dec 2008 15:58:38 -0800 Subject: ath9k: remove cache of rate preference when using 11g protection No need to cache when we want to use 2Mbit/s for all protection frames for 802.11g as we can determine that dynamically on ath_buf_set_rate() itself. Signed-off-by: Luis R. Rodriguez Signed-off-by: John W. Linville --- drivers/net/wireless/ath9k/core.h | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers/net/wireless/ath9k/core.h') diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h index 4ca2aed236e..2bb35dda6b9 100644 --- a/drivers/net/wireless/ath9k/core.h +++ b/drivers/net/wireless/ath9k/core.h @@ -718,7 +718,6 @@ struct ath_softc { u32 sc_keymax; DECLARE_BITMAP(sc_keymap, ATH_KEYMAX); u8 sc_splitmic; - u8 sc_protrix; enum ath9k_int sc_imask; enum PROT_MODE sc_protmode; enum ath9k_ht_extprotspacing sc_ht_extprotspacing; -- cgit v1.2.3 From f5870acb3a8e2cad57b6c5ffd3157a7dfbb47942 Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Wed, 14 Jan 2009 20:17:02 +0100 Subject: ath9k: convert to struct device Convert 'struct pci_dev' to 'struct device' to make it usable on the AHB bus as well. Changes-licensed-under: ISC Signed-off-by: Gabor Juhos Signed-off-by: Imre Kaloz Tested-by: Pavel Roskin Signed-off-by: John W. Linville --- drivers/net/wireless/ath9k/core.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/wireless/ath9k/core.h') diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h index 2bb35dda6b9..2256ba47dd4 100644 --- a/drivers/net/wireless/ath9k/core.h +++ b/drivers/net/wireless/ath9k/core.h @@ -695,7 +695,7 @@ enum PROT_MODE { struct ath_softc { struct ieee80211_hw *hw; - struct pci_dev *pdev; + struct device *dev; struct tasklet_struct intr_tq; struct tasklet_struct bcon_tasklet; struct ath_hal *sc_ah; -- cgit v1.2.3 From 88d15707644fad1a137af7a17b00da6135f1c1a8 Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Wed, 14 Jan 2009 20:17:04 +0100 Subject: ath9k: introduce bus specific cache size routine The PCI specific bus_read_cachesize routine won't work on the AHB bus, we have to replace it with a suitable one later. Changes-licensed-under: ISC Signed-off-by: Gabor Juhos Signed-off-by: Imre Kaloz Tested-by: Pavel Roskin Signed-off-by: John W. Linville --- drivers/net/wireless/ath9k/core.h | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers/net/wireless/ath9k/core.h') diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h index 2256ba47dd4..8e93d11d57a 100644 --- a/drivers/net/wireless/ath9k/core.h +++ b/drivers/net/wireless/ath9k/core.h @@ -693,6 +693,10 @@ enum PROT_MODE { #define SC_OP_RFKILL_SW_BLOCKED BIT(12) #define SC_OP_RFKILL_HW_BLOCKED BIT(13) +struct ath_bus_ops { + void (*read_cachesize)(struct ath_softc *sc, int *csz); +}; + struct ath_softc { struct ieee80211_hw *hw; struct device *dev; @@ -743,6 +747,7 @@ struct ath_softc { #ifdef CONFIG_ATH9K_DEBUG struct ath9k_debug sc_debug; #endif + struct ath_bus_ops *bus_ops; }; int ath_reset(struct ath_softc *sc, bool retry_tx); @@ -750,4 +755,9 @@ int ath_get_hal_qnum(u16 queue, struct ath_softc *sc); int ath_get_mac80211_qnum(u32 queue, struct ath_softc *sc); int ath_cabq_update(struct ath_softc *); +static inline void ath_read_cachesize(struct ath_softc *sc, int *csz) +{ + sc->bus_ops->read_cachesize(sc, csz); +} + #endif /* CORE_H */ -- cgit v1.2.3 From 39c3c2f2de6bccf698bfb5b9c4f56ddf99de0dbc Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Wed, 14 Jan 2009 20:17:05 +0100 Subject: ath9k: introduce bus specific cleanup routine We have left only some PCI specific cleanup code. We have to convert them as well. Changes-licensed-under: ISC Signed-off-by: Gabor Juhos Signed-off-by: Imre Kaloz Tested-by: Pavel Roskin Signed-off-by: John W. Linville --- drivers/net/wireless/ath9k/core.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/net/wireless/ath9k/core.h') diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h index 8e93d11d57a..f9fa5c64c77 100644 --- a/drivers/net/wireless/ath9k/core.h +++ b/drivers/net/wireless/ath9k/core.h @@ -695,6 +695,7 @@ enum PROT_MODE { struct ath_bus_ops { void (*read_cachesize)(struct ath_softc *sc, int *csz); + void (*cleanup)(struct ath_softc *sc); }; struct ath_softc { @@ -704,6 +705,7 @@ struct ath_softc { struct tasklet_struct bcon_tasklet; struct ath_hal *sc_ah; void __iomem *mem; + int irq; spinlock_t sc_resetlock; struct mutex mutex; @@ -760,4 +762,9 @@ static inline void ath_read_cachesize(struct ath_softc *sc, int *csz) sc->bus_ops->read_cachesize(sc, csz); } +static inline void ath_bus_cleanup(struct ath_softc *sc) +{ + sc->bus_ops->cleanup(sc); +} + #endif /* CORE_H */ -- cgit v1.2.3 From 6baff7f9a6c571dcd9a59820e3c094f7490cb0fd Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Wed, 14 Jan 2009 20:17:06 +0100 Subject: ath9k: move PCI code into separate file Now that we have converted all bus specific routines to replaceable, we can move the PCI specific codes into a separate file. Changes-licensed-under: ISC Signed-off-by: Gabor Juhos Signed-off-by: Imre Kaloz Tested-by: Pavel Roskin Signed-off-by: John W. Linville --- drivers/net/wireless/ath9k/core.h | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) (limited to 'drivers/net/wireless/ath9k/core.h') diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h index f9fa5c64c77..1e86a9cbe42 100644 --- a/drivers/net/wireless/ath9k/core.h +++ b/drivers/net/wireless/ath9k/core.h @@ -18,7 +18,7 @@ #define CORE_H #include -#include +#include #include #include #include @@ -767,4 +767,21 @@ static inline void ath_bus_cleanup(struct ath_softc *sc) sc->bus_ops->cleanup(sc); } +extern struct ieee80211_ops ath9k_ops; + +irqreturn_t ath_isr(int irq, void *dev); +void ath_cleanup(struct ath_softc *sc); +int ath_attach(u16 devid, struct ath_softc *sc); +void ath_detach(struct ath_softc *sc); +const char *ath_mac_bb_name(u32 mac_bb_version); +const char *ath_rf_name(u16 rf_version); + +#ifdef CONFIG_PCI +int ath_pci_init(void); +void ath_pci_exit(void); +#else +static inline int ath_pci_init(void) { return 0; }; +static inline void ath_pci_exit(void) {}; +#endif + #endif /* CORE_H */ -- cgit v1.2.3 From 09329d371e57ff9fcb645b8e2cdee1ec8b9b539f Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Wed, 14 Jan 2009 20:17:07 +0100 Subject: ath9k: introduce platform driver for AHB bus support This patch adds the platform_driver itself, and modifies the main driver to register it. Changes-licensed-under: ISC Signed-off-by: Gabor Juhos Signed-off-by: Imre Kaloz Tested-by: Pavel Roskin Signed-off-by: John W. Linville --- drivers/net/wireless/ath9k/core.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/net/wireless/ath9k/core.h') diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h index 1e86a9cbe42..c5dae11d608 100644 --- a/drivers/net/wireless/ath9k/core.h +++ b/drivers/net/wireless/ath9k/core.h @@ -784,4 +784,12 @@ static inline int ath_pci_init(void) { return 0; }; static inline void ath_pci_exit(void) {}; #endif +#ifdef CONFIG_ATHEROS_AR71XX +int ath_ahb_init(void); +void ath_ahb_exit(void); +#else +static inline int ath_ahb_init(void) { return 0; }; +static inline void ath_ahb_exit(void) {}; +#endif + #endif /* CORE_H */ -- cgit v1.2.3 From 9dbeb91a8b97e2892c04461e28d2bdd0198b719d Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Wed, 14 Jan 2009 20:17:08 +0100 Subject: ath9k: get EEPROM contents from platform data on AHB bus On the AR913x SOCs we have to provide EEPROM contents via platform_data, because accessing the flash via MMIO is not safe. Additionally different boards may store the radio calibration data at different locations. Changes-licensed-under: ISC Signed-off-by: Gabor Juhos Signed-off-by: Imre Kaloz Tested-by: Pavel Roskin Signed-off-by: John W. Linville --- drivers/net/wireless/ath9k/core.h | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/net/wireless/ath9k/core.h') diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h index c5dae11d608..b687ae9c9e1 100644 --- a/drivers/net/wireless/ath9k/core.h +++ b/drivers/net/wireless/ath9k/core.h @@ -696,6 +696,7 @@ enum PROT_MODE { struct ath_bus_ops { void (*read_cachesize)(struct ath_softc *sc, int *csz); void (*cleanup)(struct ath_softc *sc); + bool (*eeprom_read)(struct ath_hal *ah, u32 off, u16 *data); }; struct ath_softc { -- cgit v1.2.3 From e8324357902698ffb7615d128d612c85d8e21912 Mon Sep 17 00:00:00 2001 From: Sujith Date: Fri, 16 Jan 2009 21:38:42 +0530 Subject: ath9k: Reorganize code in xmit.c This patch starts cleaning up all the crufty code in transmission path, grouping functions into logical blocks. Signed-off-by: Sujith Signed-off-by: John W. Linville --- drivers/net/wireless/ath9k/core.h | 6 ------ 1 file changed, 6 deletions(-) (limited to 'drivers/net/wireless/ath9k/core.h') diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h index b687ae9c9e1..4eb21a7f0d8 100644 --- a/drivers/net/wireless/ath9k/core.h +++ b/drivers/net/wireless/ath9k/core.h @@ -490,23 +490,17 @@ void ath_tx_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx); void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an); void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an); -void ath_tx_node_free(struct ath_softc *sc, struct ath_node *an); void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq); int ath_tx_init(struct ath_softc *sc, int nbufs); int ath_tx_cleanup(struct ath_softc *sc); -int ath_tx_get_qnum(struct ath_softc *sc, int qtype, int haltype); struct ath_txq *ath_test_get_txq(struct ath_softc *sc, struct sk_buff *skb); int ath_txq_update(struct ath_softc *sc, int qnum, struct ath9k_tx_queue_info *q); int ath_tx_start(struct ath_softc *sc, struct sk_buff *skb, struct ath_tx_control *txctl); void ath_tx_tasklet(struct ath_softc *sc); -u32 ath_txq_depth(struct ath_softc *sc, int qnum); -u32 ath_txq_aggr_depth(struct ath_softc *sc, int qnum); void ath_tx_cabq(struct ath_softc *sc, struct sk_buff *skb); -void ath_tx_resume_tid(struct ath_softc *sc, struct ath_atx_tid *tid); bool ath_tx_aggr_check(struct ath_softc *sc, struct ath_node *an, u8 tidno); -void ath_tx_aggr_teardown(struct ath_softc *sc, struct ath_node *an, u8 tidno); int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid, u16 *ssn); int ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid); -- cgit v1.2.3 From 043a040503b0d0c21bf3fba971813eba3322267d Mon Sep 17 00:00:00 2001 From: Sujith Date: Fri, 16 Jan 2009 21:38:47 +0530 Subject: ath9k: Merge queue draining functions The TX queue draining routines have confusing names, rename them approprately and merge ath_drain_txdataq() with ath_drain_all_txq(). Signed-off-by: Sujith Signed-off-by: John W. Linville --- drivers/net/wireless/ath9k/core.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/net/wireless/ath9k/core.h') diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h index 4eb21a7f0d8..04bc6fd611d 100644 --- a/drivers/net/wireless/ath9k/core.h +++ b/drivers/net/wireless/ath9k/core.h @@ -485,8 +485,8 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush); struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype); void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq); int ath_tx_setup(struct ath_softc *sc, int haltype); -void ath_draintxq(struct ath_softc *sc, bool retry_tx); -void ath_tx_draintxq(struct ath_softc *sc, +void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx); +void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx); void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an); void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an); -- cgit v1.2.3 From d43f301520aa64bb331736a4568d435762f980b0 Mon Sep 17 00:00:00 2001 From: Sujith Date: Fri, 16 Jan 2009 21:38:53 +0530 Subject: ath9k: Revamp TX aggregation This patch cleans up the convoluted buffer management logic for TX aggregation. Both aggregation creation and completion are addressed. Signed-off-by: Sujith Signed-off-by: John W. Linville --- drivers/net/wireless/ath9k/core.h | 10 ---------- 1 file changed, 10 deletions(-) (limited to 'drivers/net/wireless/ath9k/core.h') diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h index 04bc6fd611d..f65933d9c65 100644 --- a/drivers/net/wireless/ath9k/core.h +++ b/drivers/net/wireless/ath9k/core.h @@ -187,7 +187,6 @@ struct ath_config { #define ATH_TXBUF_RESET(_bf) do { \ (_bf)->bf_status = 0; \ (_bf)->bf_lastbf = NULL; \ - (_bf)->bf_lastfrm = NULL; \ (_bf)->bf_next = NULL; \ memset(&((_bf)->bf_state), 0, \ sizeof(struct ath_buf_state)); \ @@ -245,10 +244,8 @@ struct ath_buf_state { */ struct ath_buf { struct list_head list; - struct list_head *last; struct ath_buf *bf_lastbf; /* last buf of this unit (a frame or an aggregate) */ - struct ath_buf *bf_lastfrm; /* last buf of this frame */ struct ath_buf *bf_next; /* next subframe in the aggregate */ void *bf_mpdu; /* enclosing frame structure */ struct ath_desc *bf_desc; /* virtual addr of desc */ @@ -261,13 +258,7 @@ struct ath_buf { }; #define ATH_RXBUF_RESET(_bf) ((_bf)->bf_status = 0) - -/* hw processing complete, desc processed by hal */ -#define ATH_BUFSTATUS_DONE 0x00000001 -/* hw processing complete, desc hold for hw */ #define ATH_BUFSTATUS_STALE 0x00000002 -/* Rx-only: OS is done with this packet and it's ok to queued it to hw */ -#define ATH_BUFSTATUS_FREE 0x00000004 /* DMA state for tx/rx descriptors */ @@ -360,7 +351,6 @@ struct ath_txq { u32 *axq_link; /* link ptr in last TX desc */ struct list_head axq_q; /* transmit queue */ spinlock_t axq_lock; - unsigned long axq_lockflags; /* intr state when must cli */ u32 axq_depth; /* queue depth */ u8 axq_aggr_depth; /* aggregates queued */ u32 axq_totalqueued; /* total ever queued */ -- cgit v1.2.3 From 3cbb5dd73697b3f1c677daffe29f00ace22b71e9 Mon Sep 17 00:00:00 2001 From: Vivek Natarajan Date: Tue, 20 Jan 2009 11:17:08 +0530 Subject: ath9k: Enable dynamic power save in ath9k. This patch implements dynamic power save feature for ath9k. Signed-off-by: Vivek Natarajan Signed-off-by: John W. Linville --- drivers/net/wireless/ath9k/core.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'drivers/net/wireless/ath9k/core.h') diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h index f65933d9c65..0f50767712a 100644 --- a/drivers/net/wireless/ath9k/core.h +++ b/drivers/net/wireless/ath9k/core.h @@ -676,6 +676,7 @@ enum PROT_MODE { #define SC_OP_RFKILL_REGISTERED BIT(11) #define SC_OP_RFKILL_SW_BLOCKED BIT(12) #define SC_OP_RFKILL_HW_BLOCKED BIT(13) +#define SC_OP_WAIT_FOR_BEACON BIT(14) struct ath_bus_ops { void (*read_cachesize)(struct ath_softc *sc, int *csz); @@ -709,6 +710,7 @@ struct ath_softc { u32 sc_keymax; DECLARE_BITMAP(sc_keymap, ATH_KEYMAX); u8 sc_splitmic; + atomic_t ps_usecount; enum ath9k_int sc_imask; enum PROT_MODE sc_protmode; enum ath9k_ht_extprotspacing sc_ht_extprotspacing; @@ -777,4 +779,20 @@ static inline int ath_ahb_init(void) { return 0; }; static inline void ath_ahb_exit(void) {}; #endif +static inline void ath9k_ps_wakeup(struct ath_softc *sc) +{ + if (atomic_inc_return(&sc->ps_usecount) == 1) + if (sc->sc_ah->ah_power_mode != ATH9K_PM_AWAKE) { + sc->sc_ah->ah_restore_mode = sc->sc_ah->ah_power_mode; + ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE); + } +} + +static inline void ath9k_ps_restore(struct ath_softc *sc) +{ + if (atomic_dec_and_test(&sc->ps_usecount)) + if (sc->hw->conf.flags & IEEE80211_CONF_PS) + ath9k_hw_setpower(sc->sc_ah, + sc->sc_ah->ah_restore_mode); +} #endif /* CORE_H */ -- cgit v1.2.3 From 5f8e077c0adc0dc7cfad64cdc05276e1961a1394 Mon Sep 17 00:00:00 2001 From: "Luis R. Rodriguez" Date: Thu, 22 Jan 2009 15:16:48 -0800 Subject: ath9k: simplify regulatory code Now that cfg80211 has its own regulatory infrastructure we can condense ath9k's regulatory code considerably. We only keep data we need to provide our own regulatory_hint(), reg_notifier() and information necessary for calibration. Atheros hardware supports 12 world regulatory domains, since these are custom we apply them through the the new wiphy_apply_custom_regulatory(). Although we have 12 we can consolidate these into 5 structures based on frequency and apply a different set of flags that differentiate them on a case by case basis through the reg_notifier(). If CRDA is not found our own custom world regulatory domain is applied, this is identical to cfg80211's except we enable passive scan on most frequencies. Signed-off-by: Luis R. Rodriguez Signed-off-by: John W. Linville --- drivers/net/wireless/ath9k/core.h | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers/net/wireless/ath9k/core.h') diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h index 0f50767712a..29251f8dabb 100644 --- a/drivers/net/wireless/ath9k/core.h +++ b/drivers/net/wireless/ath9k/core.h @@ -724,7 +724,6 @@ struct ath_softc { struct ieee80211_rate rates[IEEE80211_NUM_BANDS][ATH_RATE_MAX]; struct ath_rate_table *hw_rate_table[ATH9K_MODE_MAX]; struct ath_rate_table *cur_rate_table; - struct ieee80211_channel channels[IEEE80211_NUM_BANDS][ATH_CHAN_MAX]; struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS]; struct ath_led radio_led; struct ath_led assoc_led; -- cgit v1.2.3 From 27abe060aa9d3410545ef663676c7183fc2512c6 Mon Sep 17 00:00:00 2001 From: Alina Friedrichsen Date: Fri, 23 Jan 2009 05:44:21 +0100 Subject: ath9k: Read and write the TSF via debugfs This patch adds an ath9k specific entry to read, write and reset the TSF into the debugfs, like in ath5k. This makes debugging the IBSS handling of wifi drivers _much_ easier. Signed-off-by: Alina Friedrichsen Signed-off-by: John W. Linville --- drivers/net/wireless/ath9k/core.h | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/net/wireless/ath9k/core.h') diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h index 29251f8dabb..acbd8881ef8 100644 --- a/drivers/net/wireless/ath9k/core.h +++ b/drivers/net/wireless/ath9k/core.h @@ -141,6 +141,7 @@ struct ath9k_debug { struct dentry *debugfs_phy; struct dentry *debugfs_dma; struct dentry *debugfs_interrupt; + struct dentry *debugfs_tsf; struct ath_stats stats; }; -- cgit v1.2.3 From 3b5d665b51cda73ef1a774b515afd879a38e3674 Mon Sep 17 00:00:00 2001 From: Alina Friedrichsen Date: Sat, 24 Jan 2009 07:09:59 +0100 Subject: mac80211: Generic TSF debugging This patch enables low-level driver independent debugging of the TSF and remove the driver specific things of ath5k and ath9k from the debugfs. Signed-off-by: Alina Friedrichsen Signed-off-by: John W. Linville --- drivers/net/wireless/ath9k/core.h | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers/net/wireless/ath9k/core.h') diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h index acbd8881ef8..29251f8dabb 100644 --- a/drivers/net/wireless/ath9k/core.h +++ b/drivers/net/wireless/ath9k/core.h @@ -141,7 +141,6 @@ struct ath9k_debug { struct dentry *debugfs_phy; struct dentry *debugfs_dma; struct dentry *debugfs_interrupt; - struct dentry *debugfs_tsf; struct ath_stats stats; }; -- cgit v1.2.3 From f2bffa7ea012befc2230331f97bf9b002c0b62bb Mon Sep 17 00:00:00 2001 From: Vasanthakumar Thiagarajan Date: Thu, 29 Jan 2009 17:52:19 +0530 Subject: ath9k: Fix LED blink pattern Signed-off-by: Vasanthakumar Thiagarajan Signed-off-by: John W. Linville --- drivers/net/wireless/ath9k/core.h | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers/net/wireless/ath9k/core.h') diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h index 29251f8dabb..9a7bb1b5cd5 100644 --- a/drivers/net/wireless/ath9k/core.h +++ b/drivers/net/wireless/ath9k/core.h @@ -600,6 +600,8 @@ struct ath_ani { /********************/ #define ATH_LED_PIN 1 +#define ATH_LED_ON_DURATION_IDLE 350 /* in msecs */ +#define ATH_LED_OFF_DURATION_IDLE 250 /* in msecs */ enum ath_led_type { ATH_LED_RADIO, @@ -677,6 +679,7 @@ enum PROT_MODE { #define SC_OP_RFKILL_SW_BLOCKED BIT(12) #define SC_OP_RFKILL_HW_BLOCKED BIT(13) #define SC_OP_WAIT_FOR_BEACON BIT(14) +#define SC_OP_LED_ON BIT(15) struct ath_bus_ops { void (*read_cachesize)(struct ath_softc *sc, int *csz); @@ -725,10 +728,17 @@ struct ath_softc { struct ath_rate_table *hw_rate_table[ATH9K_MODE_MAX]; struct ath_rate_table *cur_rate_table; struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS]; + struct ath_led radio_led; struct ath_led assoc_led; struct ath_led tx_led; struct ath_led rx_led; + struct delayed_work ath_led_blink_work; + int led_on_duration; + int led_off_duration; + int led_on_cnt; + int led_off_cnt; + struct ath_rfkill rf_kill; struct ath_ani sc_ani; struct ath9k_node_stats sc_halstats; -- cgit v1.2.3 From c89424df441ea8d794682b9c5620d8e8b0315438 Mon Sep 17 00:00:00 2001 From: Sujith Date: Fri, 30 Jan 2009 14:29:28 +0530 Subject: ath9k: Handle mac80211's RC flags for MCS rates mac80211 notifies the RC algorithm if RTS/CTS and short preamble are needed. The RC flags for MCS rates are currently not handled by mac80211, and ath9k's RC doesn't set the flags either. Fix this. Also, set the rts_cts_rate_idx inside the RC algorithm. Signed-off-by: Sujith Signed-off-by: John W. Linville --- drivers/net/wireless/ath9k/core.h | 8 -------- 1 file changed, 8 deletions(-) (limited to 'drivers/net/wireless/ath9k/core.h') diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h index 9a7bb1b5cd5..8683fc8ddb3 100644 --- a/drivers/net/wireless/ath9k/core.h +++ b/drivers/net/wireless/ath9k/core.h @@ -233,7 +233,6 @@ struct ath_buf_state { #define bf_isht(bf) (bf->bf_state.bf_type & BUF_HT) #define bf_isretried(bf) (bf->bf_state.bf_type & BUF_RETRY) #define bf_isxretried(bf) (bf->bf_state.bf_type & BUF_XRETRY) -#define bf_isshpreamble(bf) (bf->bf_state.bf_type & BUF_SHORT_PREAMBLE) #define bf_isbar(bf) (bf->bf_state.bf_type & BUF_BAR) #define bf_ispspoll(bf) (bf->bf_state.bf_type & BUF_PSPOLL) #define bf_isaggrburst(bf) (bf->bf_state.bf_type & BUF_AGGR_BURST) @@ -658,12 +657,6 @@ struct ath_rfkill { #define ATH_RSSI_DUMMY_MARKER 0x127 #define ATH_RATE_DUMMY_MARKER 0 -enum PROT_MODE { - PROT_M_NONE = 0, - PROT_M_RTSCTS, - PROT_M_CTSONLY -}; - #define SC_OP_INVALID BIT(0) #define SC_OP_BEACONS BIT(1) #define SC_OP_RXAGGR BIT(2) @@ -715,7 +708,6 @@ struct ath_softc { u8 sc_splitmic; atomic_t ps_usecount; enum ath9k_int sc_imask; - enum PROT_MODE sc_protmode; enum ath9k_ht_extprotspacing sc_ht_extprotspacing; enum ath9k_ht_macmode tx_chan_width; -- cgit v1.2.3 From 7a7dec656252a5784218a22abf76ad1cdef115d0 Mon Sep 17 00:00:00 2001 From: Sujith Date: Fri, 30 Jan 2009 14:32:09 +0530 Subject: ath9k: Add debugfs files for printing TX rate details Signed-off-by: Sujith Signed-off-by: John W. Linville --- drivers/net/wireless/ath9k/core.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'drivers/net/wireless/ath9k/core.h') diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h index 8683fc8ddb3..791f1acc0bb 100644 --- a/drivers/net/wireless/ath9k/core.h +++ b/drivers/net/wireless/ath9k/core.h @@ -131,8 +131,18 @@ struct ath_interrupt_stats { u32 dtim; }; +struct ath_legacy_rc_stats { + u32 success; +}; + +struct ath_11n_rc_stats { + u32 success; +}; + struct ath_stats { struct ath_interrupt_stats istats; + struct ath_legacy_rc_stats legacy_rcstats[12]; /* max(11a,11b,11g) */ + struct ath_11n_rc_stats n_rcstats[16]; /* 0..15 MCS rates */ }; struct ath9k_debug { @@ -141,6 +151,7 @@ struct ath9k_debug { struct dentry *debugfs_phy; struct dentry *debugfs_dma; struct dentry *debugfs_interrupt; + struct dentry *debugfs_rcstat; struct ath_stats stats; }; @@ -148,6 +159,7 @@ void DPRINTF(struct ath_softc *sc, int dbg_mask, const char *fmt, ...); int ath9k_init_debug(struct ath_softc *sc); void ath9k_exit_debug(struct ath_softc *sc); void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status); +void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb); #else @@ -170,6 +182,11 @@ static inline void ath_debug_stat_interrupt(struct ath_softc *sc, { } +static inline void ath_debug_stat_rc(struct ath_softc *sc, + struct sk_buff *skb) +{ +} + #endif /* CONFIG_ATH9K_DEBUG */ struct ath_config { -- cgit v1.2.3 From 254ad0ff9387d1c0a2f975ff40b2f4d1302ccc3a Mon Sep 17 00:00:00 2001 From: Sujith Date: Wed, 4 Feb 2009 08:10:19 +0530 Subject: ath9k: Remove all the redundant internal buffer types Use mac80211's primitives for identifying the frame type, and cleanup the driver-specific macros. Signed-off-by: Sujith Signed-off-by: John W. Linville --- drivers/net/wireless/ath9k/core.h | 36 ++++++++++++++++-------------------- 1 file changed, 16 insertions(+), 20 deletions(-) (limited to 'drivers/net/wireless/ath9k/core.h') diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h index 791f1acc0bb..63d3eb6cda8 100644 --- a/drivers/net/wireless/ath9k/core.h +++ b/drivers/net/wireless/ath9k/core.h @@ -192,7 +192,6 @@ static inline void ath_debug_stat_rc(struct ath_softc *sc, struct ath_config { u32 ath_aggr_prot; u16 txpowlimit; - u16 txpowlimit_override; u8 cabqReadytime; u8 swBeaconProcess; }; @@ -206,21 +205,25 @@ struct ath_config { (_bf)->bf_lastbf = NULL; \ (_bf)->bf_next = NULL; \ memset(&((_bf)->bf_state), 0, \ - sizeof(struct ath_buf_state)); \ + sizeof(struct ath_buf_state)); \ } while (0) +/** + * enum buffer_type - Buffer type flags + * + * @BUF_HT: Send this buffer using HT capabilities + * @BUF_AMPDU: This buffer is an ampdu, as part of an aggregate (during TX) + * @BUF_AGGR: Indicates whether the buffer can be aggregated + * (used in aggregation scheduling) + * @BUF_RETRY: Indicates whether the buffer is retried + * @BUF_XRETRY: To denote excessive retries of the buffer + */ enum buffer_type { - BUF_DATA = BIT(0), - BUF_AGGR = BIT(1), + BUF_HT = BIT(1), BUF_AMPDU = BIT(2), - BUF_HT = BIT(3), + BUF_AGGR = BIT(3), BUF_RETRY = BIT(4), BUF_XRETRY = BIT(5), - BUF_SHORT_PREAMBLE = BIT(6), - BUF_BAR = BIT(7), - BUF_PSPOLL = BIT(8), - BUF_AGGR_BURST = BIT(9), - BUF_CALC_AIRTIME = BIT(10), }; struct ath_buf_state { @@ -241,18 +244,13 @@ struct ath_buf_state { #define bf_retries bf_state.bfs_retries #define bf_seqno bf_state.bfs_seqno #define bf_tidno bf_state.bfs_tidno -#define bf_rcs bf_state.bfs_rcs #define bf_keyix bf_state.bfs_keyix #define bf_keytype bf_state.bfs_keytype -#define bf_isdata(bf) (bf->bf_state.bf_type & BUF_DATA) -#define bf_isaggr(bf) (bf->bf_state.bf_type & BUF_AGGR) -#define bf_isampdu(bf) (bf->bf_state.bf_type & BUF_AMPDU) #define bf_isht(bf) (bf->bf_state.bf_type & BUF_HT) +#define bf_isampdu(bf) (bf->bf_state.bf_type & BUF_AMPDU) +#define bf_isaggr(bf) (bf->bf_state.bf_type & BUF_AGGR) #define bf_isretried(bf) (bf->bf_state.bf_type & BUF_RETRY) #define bf_isxretried(bf) (bf->bf_state.bf_type & BUF_XRETRY) -#define bf_isbar(bf) (bf->bf_state.bf_type & BUF_BAR) -#define bf_ispspoll(bf) (bf->bf_state.bf_type & BUF_PSPOLL) -#define bf_isaggrburst(bf) (bf->bf_state.bf_type & BUF_AGGR_BURST) /* * Abstraction of a contiguous buffer to transmit/receive. There is only @@ -358,8 +356,6 @@ enum ATH_AGGR_STATUS { ATH_AGGR_DONE, ATH_AGGR_BAW_CLOSED, ATH_AGGR_LIMITED, - ATH_AGGR_SHORTPKT, - ATH_AGGR_8K_LIMITED, }; struct ath_txq { @@ -658,7 +654,7 @@ struct ath_rfkill { #define ATH_MAX_SW_RETRIES 10 #define ATH_CHAN_MAX 255 #define IEEE80211_WEP_NKID 4 /* number of key ids */ -#define IEEE80211_RATE_VAL 0x7f + /* * The key cache is used for h/w cipher state and also for * tracking station state such as the current tx antenna. -- cgit v1.2.3 From 029bc43270e770e0d57d67dc431fe711c58e74f5 Mon Sep 17 00:00:00 2001 From: Sujith Date: Wed, 4 Feb 2009 08:10:26 +0530 Subject: ath9k: Add retry counters to rate control debug file Signed-off-by: Sujith Signed-off-by: John W. Linville --- drivers/net/wireless/ath9k/core.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers/net/wireless/ath9k/core.h') diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h index 63d3eb6cda8..64fc5c269f2 100644 --- a/drivers/net/wireless/ath9k/core.h +++ b/drivers/net/wireless/ath9k/core.h @@ -137,6 +137,8 @@ struct ath_legacy_rc_stats { struct ath_11n_rc_stats { u32 success; + u32 retries; + u32 xretries; }; struct ath_stats { @@ -160,6 +162,8 @@ int ath9k_init_debug(struct ath_softc *sc); void ath9k_exit_debug(struct ath_softc *sc); void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status); void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb); +void ath_debug_stat_retries(struct ath_softc *sc, int rix, + int xretries, int retries); #else @@ -187,6 +191,11 @@ static inline void ath_debug_stat_rc(struct ath_softc *sc, { } +static inline void ath_debug_stat_retries(struct ath_softc *sc, int rix, + int xretries, int retries) +{ +} + #endif /* CONFIG_ATH9K_DEBUG */ struct ath_config { -- cgit v1.2.3 From 394cf0a1ca02e7998c8d01975b60a3cdc121e7d8 Mon Sep 17 00:00:00 2001 From: Sujith Date: Mon, 9 Feb 2009 13:26:54 +0530 Subject: ath9k: Header file cleanup Split the core header files into manageable pieces. Signed-off-by: Sujith Signed-off-by: John W. Linville --- drivers/net/wireless/ath9k/core.h | 821 -------------------------------------- 1 file changed, 821 deletions(-) delete mode 100644 drivers/net/wireless/ath9k/core.h (limited to 'drivers/net/wireless/ath9k/core.h') diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h deleted file mode 100644 index 64fc5c269f2..00000000000 --- a/drivers/net/wireless/ath9k/core.h +++ /dev/null @@ -1,821 +0,0 @@ -/* - * Copyright (c) 2008 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 CORE_H -#define CORE_H - -#include -#include -#include -#include -#include - -#include "ath9k.h" -#include "rc.h" - -struct ath_node; - -/* Macro to expand scalars to 64-bit objects */ - -#define ito64(x) (sizeof(x) == 8) ? \ - (((unsigned long long int)(x)) & (0xff)) : \ - (sizeof(x) == 16) ? \ - (((unsigned long long int)(x)) & 0xffff) : \ - ((sizeof(x) == 32) ? \ - (((unsigned long long int)(x)) & 0xffffffff) : \ - (unsigned long long int)(x)) - -/* increment with wrap-around */ -#define INCR(_l, _sz) do { \ - (_l)++; \ - (_l) &= ((_sz) - 1); \ - } while (0) - -/* decrement with wrap-around */ -#define DECR(_l, _sz) do { \ - (_l)--; \ - (_l) &= ((_sz) - 1); \ - } while (0) - -#define A_MAX(a, b) ((a) > (b) ? (a) : (b)) - -#define ASSERT(exp) do { \ - if (unlikely(!(exp))) { \ - BUG(); \ - } \ - } while (0) - -#define TSF_TO_TU(_h,_l) \ - ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10)) - -#define ATH_TXQ_SETUP(sc, i) ((sc)->tx.txqsetup & (1<bf_status = 0; \ - (_bf)->bf_lastbf = NULL; \ - (_bf)->bf_next = NULL; \ - memset(&((_bf)->bf_state), 0, \ - sizeof(struct ath_buf_state)); \ - } while (0) - -/** - * enum buffer_type - Buffer type flags - * - * @BUF_HT: Send this buffer using HT capabilities - * @BUF_AMPDU: This buffer is an ampdu, as part of an aggregate (during TX) - * @BUF_AGGR: Indicates whether the buffer can be aggregated - * (used in aggregation scheduling) - * @BUF_RETRY: Indicates whether the buffer is retried - * @BUF_XRETRY: To denote excessive retries of the buffer - */ -enum buffer_type { - BUF_HT = BIT(1), - BUF_AMPDU = BIT(2), - BUF_AGGR = BIT(3), - BUF_RETRY = BIT(4), - BUF_XRETRY = BIT(5), -}; - -struct ath_buf_state { - int bfs_nframes; /* # frames in aggregate */ - u16 bfs_al; /* length of aggregate */ - u16 bfs_frmlen; /* length of frame */ - int bfs_seqno; /* sequence number */ - int bfs_tidno; /* tid of this frame */ - int bfs_retries; /* current retries */ - u32 bf_type; /* BUF_* (enum buffer_type) */ - u32 bfs_keyix; - enum ath9k_key_type bfs_keytype; -}; - -#define bf_nframes bf_state.bfs_nframes -#define bf_al bf_state.bfs_al -#define bf_frmlen bf_state.bfs_frmlen -#define bf_retries bf_state.bfs_retries -#define bf_seqno bf_state.bfs_seqno -#define bf_tidno bf_state.bfs_tidno -#define bf_keyix bf_state.bfs_keyix -#define bf_keytype bf_state.bfs_keytype -#define bf_isht(bf) (bf->bf_state.bf_type & BUF_HT) -#define bf_isampdu(bf) (bf->bf_state.bf_type & BUF_AMPDU) -#define bf_isaggr(bf) (bf->bf_state.bf_type & BUF_AGGR) -#define bf_isretried(bf) (bf->bf_state.bf_type & BUF_RETRY) -#define bf_isxretried(bf) (bf->bf_state.bf_type & BUF_XRETRY) - -/* - * Abstraction of a contiguous buffer to transmit/receive. There is only - * a single hw descriptor encapsulated here. - */ -struct ath_buf { - struct list_head list; - struct ath_buf *bf_lastbf; /* last buf of this unit (a frame or - an aggregate) */ - struct ath_buf *bf_next; /* next subframe in the aggregate */ - void *bf_mpdu; /* enclosing frame structure */ - struct ath_desc *bf_desc; /* virtual addr of desc */ - dma_addr_t bf_daddr; /* physical addr of desc */ - dma_addr_t bf_buf_addr; /* physical addr of data buffer */ - u32 bf_status; - u16 bf_flags; /* tx descriptor flags */ - struct ath_buf_state bf_state; /* buffer state */ - dma_addr_t bf_dmacontext; -}; - -#define ATH_RXBUF_RESET(_bf) ((_bf)->bf_status = 0) -#define ATH_BUFSTATUS_STALE 0x00000002 - -/* DMA state for tx/rx descriptors */ - -struct ath_descdma { - const char *dd_name; - struct ath_desc *dd_desc; /* descriptors */ - dma_addr_t dd_desc_paddr; /* physical addr of dd_desc */ - u32 dd_desc_len; /* size of dd_desc */ - struct ath_buf *dd_bufptr; /* associated buffers */ - dma_addr_t dd_dmacontext; -}; - -int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd, - struct list_head *head, const char *name, - int nbuf, int ndesc); -void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd, - struct list_head *head); - -/***********/ -/* RX / TX */ -/***********/ - -#define ATH_MAX_ANTENNA 3 -#define ATH_RXBUF 512 -#define WME_NUM_TID 16 -#define ATH_TXBUF 512 -#define ATH_TXMAXTRY 13 -#define ATH_11N_TXMAXTRY 10 -#define ATH_MGT_TXMAXTRY 4 -#define WME_BA_BMP_SIZE 64 -#define WME_MAX_BA WME_BA_BMP_SIZE -#define ATH_TID_MAX_BUFS (2 * WME_MAX_BA) - -#define TID_TO_WME_AC(_tid) \ - ((((_tid) == 0) || ((_tid) == 3)) ? WME_AC_BE : \ - (((_tid) == 1) || ((_tid) == 2)) ? WME_AC_BK : \ - (((_tid) == 4) || ((_tid) == 5)) ? WME_AC_VI : \ - WME_AC_VO) - -#define WME_AC_BE 0 -#define WME_AC_BK 1 -#define WME_AC_VI 2 -#define WME_AC_VO 3 -#define WME_NUM_AC 4 - -#define ADDBA_EXCHANGE_ATTEMPTS 10 -#define ATH_AGGR_DELIM_SZ 4 -#define ATH_AGGR_MINPLEN 256 /* in bytes, minimum packet length */ -/* number of delimiters for encryption padding */ -#define ATH_AGGR_ENCRYPTDELIM 10 -/* minimum h/w qdepth to be sustained to maximize aggregation */ -#define ATH_AGGR_MIN_QDEPTH 2 -#define ATH_AMPDU_SUBFRAME_DEFAULT 32 -#define IEEE80211_SEQ_SEQ_SHIFT 4 -#define IEEE80211_SEQ_MAX 4096 -#define IEEE80211_MIN_AMPDU_BUF 0x8 -#define IEEE80211_HTCAP_MAXRXAMPDU_FACTOR 13 - -/* return whether a bit at index _n in bitmap _bm is set - * _sz is the size of the bitmap */ -#define ATH_BA_ISSET(_bm, _n) (((_n) < (WME_BA_BMP_SIZE)) && \ - ((_bm)[(_n) >> 5] & (1 << ((_n) & 31)))) - -/* return block-ack bitmap index given sequence and starting sequence */ -#define ATH_BA_INDEX(_st, _seq) (((_seq) - (_st)) & (IEEE80211_SEQ_MAX - 1)) - -/* returns delimiter padding required given the packet length */ -#define ATH_AGGR_GET_NDELIM(_len) \ - (((((_len) + ATH_AGGR_DELIM_SZ) < ATH_AGGR_MINPLEN) ? \ - (ATH_AGGR_MINPLEN - (_len) - ATH_AGGR_DELIM_SZ) : 0) >> 2) - -#define BAW_WITHIN(_start, _bawsz, _seqno) \ - ((((_seqno) - (_start)) & 4095) < (_bawsz)) - -#define ATH_DS_BA_SEQ(_ds) ((_ds)->ds_us.tx.ts_seqnum) -#define ATH_DS_BA_BITMAP(_ds) (&(_ds)->ds_us.tx.ba_low) -#define ATH_DS_TX_BA(_ds) ((_ds)->ds_us.tx.ts_flags & ATH9K_TX_BA) -#define ATH_AN_2_TID(_an, _tidno) (&(_an)->tid[(_tidno)]) - -enum ATH_AGGR_STATUS { - ATH_AGGR_DONE, - ATH_AGGR_BAW_CLOSED, - ATH_AGGR_LIMITED, -}; - -struct ath_txq { - u32 axq_qnum; /* hardware q number */ - u32 *axq_link; /* link ptr in last TX desc */ - struct list_head axq_q; /* transmit queue */ - spinlock_t axq_lock; - u32 axq_depth; /* queue depth */ - u8 axq_aggr_depth; /* aggregates queued */ - u32 axq_totalqueued; /* total ever queued */ - bool stopped; /* Is mac80211 queue stopped ? */ - struct ath_buf *axq_linkbuf; /* virtual addr of last buffer*/ - - /* first desc of the last descriptor that contains CTS */ - struct ath_desc *axq_lastdsWithCTS; - - /* final desc of the gating desc that determines whether - lastdsWithCTS has been DMA'ed or not */ - struct ath_desc *axq_gatingds; - - struct list_head axq_acq; -}; - -#define AGGR_CLEANUP BIT(1) -#define AGGR_ADDBA_COMPLETE BIT(2) -#define AGGR_ADDBA_PROGRESS BIT(3) - -/* per TID aggregate tx state for a destination */ -struct ath_atx_tid { - struct list_head list; /* round-robin tid entry */ - struct list_head buf_q; /* pending buffers */ - struct ath_node *an; - struct ath_atx_ac *ac; - struct ath_buf *tx_buf[ATH_TID_MAX_BUFS]; /* active tx frames */ - u16 seq_start; - u16 seq_next; - u16 baw_size; - int tidno; - int baw_head; /* first un-acked tx buffer */ - int baw_tail; /* next unused tx buffer slot */ - int sched; - int paused; - u8 state; - int addba_exchangeattempts; -}; - -/* per access-category aggregate tx state for a destination */ -struct ath_atx_ac { - int sched; /* dest-ac is scheduled */ - int qnum; /* H/W queue number associated - with this AC */ - struct list_head list; /* round-robin txq entry */ - struct list_head tid_q; /* queue of TIDs with buffers */ -}; - -/* per-frame tx control block */ -struct ath_tx_control { - struct ath_txq *txq; - int if_id; -}; - -/* per frame tx status block */ -struct ath_xmit_status { - int retries; /* number of retries to successufully - transmit this frame */ - int flags; /* status of transmit */ -#define ATH_TX_ERROR 0x01 -#define ATH_TX_XRETRY 0x02 -#define ATH_TX_BAR 0x04 -}; - -/* All RSSI values are noise floor adjusted */ -struct ath_tx_stat { - int rssi; - int rssictl[ATH_MAX_ANTENNA]; - int rssiextn[ATH_MAX_ANTENNA]; - int rateieee; - int rateKbps; - int ratecode; - int flags; - u32 airtime; /* time on air per final tx rate */ -}; - -struct aggr_rifs_param { - int param_max_frames; - int param_max_len; - int param_rl; - int param_al; - struct ath_rc_series *param_rcs; -}; - -struct ath_node { - struct ath_softc *an_sc; - struct ath_atx_tid tid[WME_NUM_TID]; - struct ath_atx_ac ac[WME_NUM_AC]; - u16 maxampdu; - u8 mpdudensity; -}; - -struct ath_tx { - u16 seq_no; - u32 txqsetup; - int hwq_map[ATH9K_WME_AC_VO+1]; - spinlock_t txbuflock; - struct list_head txbuf; - struct ath_txq txq[ATH9K_NUM_TX_QUEUES]; - struct ath_descdma txdma; -}; - -struct ath_rx { - u8 defant; - u8 rxotherant; - u32 *rxlink; - int bufsize; - unsigned int rxfilter; - spinlock_t rxflushlock; - spinlock_t rxbuflock; - struct list_head rxbuf; - struct ath_descdma rxdma; -}; - -int ath_startrecv(struct ath_softc *sc); -bool ath_stoprecv(struct ath_softc *sc); -void ath_flushrecv(struct ath_softc *sc); -u32 ath_calcrxfilter(struct ath_softc *sc); -int ath_rx_init(struct ath_softc *sc, int nbufs); -void ath_rx_cleanup(struct ath_softc *sc); -int ath_rx_tasklet(struct ath_softc *sc, int flush); -struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype); -void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq); -int ath_tx_setup(struct ath_softc *sc, int haltype); -void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx); -void ath_draintxq(struct ath_softc *sc, - struct ath_txq *txq, bool retry_tx); -void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an); -void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an); -void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq); -int ath_tx_init(struct ath_softc *sc, int nbufs); -int ath_tx_cleanup(struct ath_softc *sc); -struct ath_txq *ath_test_get_txq(struct ath_softc *sc, struct sk_buff *skb); -int ath_txq_update(struct ath_softc *sc, int qnum, - struct ath9k_tx_queue_info *q); -int ath_tx_start(struct ath_softc *sc, struct sk_buff *skb, - struct ath_tx_control *txctl); -void ath_tx_tasklet(struct ath_softc *sc); -void ath_tx_cabq(struct ath_softc *sc, struct sk_buff *skb); -bool ath_tx_aggr_check(struct ath_softc *sc, struct ath_node *an, u8 tidno); -int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta, - u16 tid, u16 *ssn); -int ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid); -void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid); - -/********/ -/* VAPs */ -/********/ - -/* - * Define the scheme that we select MAC address for multiple - * BSS on the same radio. The very first VAP will just use the MAC - * address from the EEPROM. For the next 3 VAPs, we set the - * U/L bit (bit 1) in MAC address, and use the next two bits as the - * index of the VAP. - */ - -#define ATH_SET_VAP_BSSID_MASK(bssid_mask) \ - ((bssid_mask)[0] &= ~(((ATH_BCBUF-1)<<2)|0x02)) - -struct ath_vap { - int av_bslot; - enum nl80211_iftype av_opmode; - struct ath_buf *av_bcbuf; - struct ath_tx_control av_btxctl; -}; - -/*******************/ -/* Beacon Handling */ -/*******************/ - -/* - * Regardless of the number of beacons we stagger, (i.e. regardless of the - * number of BSSIDs) if a given beacon does not go out even after waiting this - * number of beacon intervals, the game's up. - */ -#define BSTUCK_THRESH (9 * ATH_BCBUF) -#define ATH_BCBUF 1 -#define ATH_DEFAULT_BINTVAL 100 /* TU */ -#define ATH_DEFAULT_BMISS_LIMIT 10 -#define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024) - -struct ath_beacon_config { - u16 beacon_interval; - u16 listen_interval; - u16 dtim_period; - u16 bmiss_timeout; - u8 dtim_count; - u8 tim_offset; - union { - u64 last_tsf; - u8 last_tstamp[8]; - } u; /* last received beacon/probe response timestamp of this BSS. */ -}; - -struct ath_beacon { - enum { - OK, /* no change needed */ - UPDATE, /* update pending */ - COMMIT /* beacon sent, commit change */ - } updateslot; /* slot time update fsm */ - - u32 beaconq; - u32 bmisscnt; - u32 ast_be_xmit; - u64 bc_tstamp; - int bslot[ATH_BCBUF]; - int slottime; - int slotupdate; - struct ath9k_tx_queue_info beacon_qi; - struct ath_descdma bdma; - struct ath_txq *cabq; - struct list_head bbuf; -}; - -void ath9k_beacon_tasklet(unsigned long data); -void ath_beacon_config(struct ath_softc *sc, int if_id); -int ath_beaconq_setup(struct ath_hal *ah); -int ath_beacon_alloc(struct ath_softc *sc, int if_id); -void ath_beacon_return(struct ath_softc *sc, struct ath_vap *avp); -void ath_beacon_sync(struct ath_softc *sc, int if_id); - -/*******/ -/* ANI */ -/*******/ - -/* ANI values for STA only. - FIXME: Add appropriate values for AP later */ - -#define ATH_ANI_POLLINTERVAL 100 /* 100 milliseconds between ANI poll */ -#define ATH_SHORT_CALINTERVAL 1000 /* 1 second between calibrations */ -#define ATH_LONG_CALINTERVAL 30000 /* 30 seconds between calibrations */ -#define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes between calibrations */ - -struct ath_ani { - bool sc_caldone; - int16_t sc_noise_floor; - unsigned int sc_longcal_timer; - unsigned int sc_shortcal_timer; - unsigned int sc_resetcal_timer; - unsigned int sc_checkani_timer; - struct timer_list timer; -}; - -/********************/ -/* LED Control */ -/********************/ - -#define ATH_LED_PIN 1 -#define ATH_LED_ON_DURATION_IDLE 350 /* in msecs */ -#define ATH_LED_OFF_DURATION_IDLE 250 /* in msecs */ - -enum ath_led_type { - ATH_LED_RADIO, - ATH_LED_ASSOC, - ATH_LED_TX, - ATH_LED_RX -}; - -struct ath_led { - struct ath_softc *sc; - struct led_classdev led_cdev; - enum ath_led_type led_type; - char name[32]; - bool registered; -}; - -/* Rfkill */ -#define ATH_RFKILL_POLL_INTERVAL 2000 /* msecs */ - -struct ath_rfkill { - struct rfkill *rfkill; - struct delayed_work rfkill_poll; - char rfkill_name[32]; -}; - -/********************/ -/* Main driver core */ -/********************/ - -/* - * Default cache line size, in bytes. - * Used when PCI device not fully initialized by bootrom/BIOS -*/ -#define DEFAULT_CACHELINE 32 -#define ATH_DEFAULT_NOISE_FLOOR -95 -#define ATH_REGCLASSIDS_MAX 10 -#define ATH_CABQ_READY_TIME 80 /* % of beacon interval */ -#define ATH_MAX_SW_RETRIES 10 -#define ATH_CHAN_MAX 255 -#define IEEE80211_WEP_NKID 4 /* number of key ids */ - -/* - * The key cache is used for h/w cipher state and also for - * tracking station state such as the current tx antenna. - * We also setup a mapping table between key cache slot indices - * and station state to short-circuit node lookups on rx. - * Different parts have different size key caches. We handle - * up to ATH_KEYMAX entries (could dynamically allocate state). - */ -#define ATH_KEYMAX 128 /* max key cache size we handle */ - -#define ATH_IF_ID_ANY 0xff -#define ATH_TXPOWER_MAX 100 /* .5 dBm units */ -#define ATH_RSSI_DUMMY_MARKER 0x127 -#define ATH_RATE_DUMMY_MARKER 0 - -#define SC_OP_INVALID BIT(0) -#define SC_OP_BEACONS BIT(1) -#define SC_OP_RXAGGR BIT(2) -#define SC_OP_TXAGGR BIT(3) -#define SC_OP_CHAINMASK_UPDATE BIT(4) -#define SC_OP_FULL_RESET BIT(5) -#define SC_OP_NO_RESET BIT(6) -#define SC_OP_PREAMBLE_SHORT BIT(7) -#define SC_OP_PROTECT_ENABLE BIT(8) -#define SC_OP_RXFLUSH BIT(9) -#define SC_OP_LED_ASSOCIATED BIT(10) -#define SC_OP_RFKILL_REGISTERED BIT(11) -#define SC_OP_RFKILL_SW_BLOCKED BIT(12) -#define SC_OP_RFKILL_HW_BLOCKED BIT(13) -#define SC_OP_WAIT_FOR_BEACON BIT(14) -#define SC_OP_LED_ON BIT(15) - -struct ath_bus_ops { - void (*read_cachesize)(struct ath_softc *sc, int *csz); - void (*cleanup)(struct ath_softc *sc); - bool (*eeprom_read)(struct ath_hal *ah, u32 off, u16 *data); -}; - -struct ath_softc { - struct ieee80211_hw *hw; - struct device *dev; - struct tasklet_struct intr_tq; - struct tasklet_struct bcon_tasklet; - struct ath_hal *sc_ah; - void __iomem *mem; - int irq; - spinlock_t sc_resetlock; - struct mutex mutex; - - u8 sc_curbssid[ETH_ALEN]; - u8 sc_myaddr[ETH_ALEN]; - u8 sc_bssidmask[ETH_ALEN]; - u32 sc_intrstatus; - u32 sc_flags; /* SC_OP_* */ - u16 sc_curtxpow; - u16 sc_curaid; - u16 sc_cachelsz; - u8 sc_nbcnvaps; - u16 sc_nvaps; - u8 sc_tx_chainmask; - u8 sc_rx_chainmask; - u32 sc_keymax; - DECLARE_BITMAP(sc_keymap, ATH_KEYMAX); - u8 sc_splitmic; - atomic_t ps_usecount; - enum ath9k_int sc_imask; - enum ath9k_ht_extprotspacing sc_ht_extprotspacing; - enum ath9k_ht_macmode tx_chan_width; - - struct ath_config sc_config; - struct ath_rx rx; - struct ath_tx tx; - struct ath_beacon beacon; - struct ieee80211_vif *sc_vaps[ATH_BCBUF]; - struct ieee80211_rate rates[IEEE80211_NUM_BANDS][ATH_RATE_MAX]; - struct ath_rate_table *hw_rate_table[ATH9K_MODE_MAX]; - struct ath_rate_table *cur_rate_table; - struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS]; - - struct ath_led radio_led; - struct ath_led assoc_led; - struct ath_led tx_led; - struct ath_led rx_led; - struct delayed_work ath_led_blink_work; - int led_on_duration; - int led_off_duration; - int led_on_cnt; - int led_off_cnt; - - struct ath_rfkill rf_kill; - struct ath_ani sc_ani; - struct ath9k_node_stats sc_halstats; -#ifdef CONFIG_ATH9K_DEBUG - struct ath9k_debug sc_debug; -#endif - struct ath_bus_ops *bus_ops; -}; - -int ath_reset(struct ath_softc *sc, bool retry_tx); -int ath_get_hal_qnum(u16 queue, struct ath_softc *sc); -int ath_get_mac80211_qnum(u32 queue, struct ath_softc *sc); -int ath_cabq_update(struct ath_softc *); - -static inline void ath_read_cachesize(struct ath_softc *sc, int *csz) -{ - sc->bus_ops->read_cachesize(sc, csz); -} - -static inline void ath_bus_cleanup(struct ath_softc *sc) -{ - sc->bus_ops->cleanup(sc); -} - -extern struct ieee80211_ops ath9k_ops; - -irqreturn_t ath_isr(int irq, void *dev); -void ath_cleanup(struct ath_softc *sc); -int ath_attach(u16 devid, struct ath_softc *sc); -void ath_detach(struct ath_softc *sc); -const char *ath_mac_bb_name(u32 mac_bb_version); -const char *ath_rf_name(u16 rf_version); - -#ifdef CONFIG_PCI -int ath_pci_init(void); -void ath_pci_exit(void); -#else -static inline int ath_pci_init(void) { return 0; }; -static inline void ath_pci_exit(void) {}; -#endif - -#ifdef CONFIG_ATHEROS_AR71XX -int ath_ahb_init(void); -void ath_ahb_exit(void); -#else -static inline int ath_ahb_init(void) { return 0; }; -static inline void ath_ahb_exit(void) {}; -#endif - -static inline void ath9k_ps_wakeup(struct ath_softc *sc) -{ - if (atomic_inc_return(&sc->ps_usecount) == 1) - if (sc->sc_ah->ah_power_mode != ATH9K_PM_AWAKE) { - sc->sc_ah->ah_restore_mode = sc->sc_ah->ah_power_mode; - ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE); - } -} - -static inline void ath9k_ps_restore(struct ath_softc *sc) -{ - if (atomic_dec_and_test(&sc->ps_usecount)) - if (sc->hw->conf.flags & IEEE80211_CONF_PS) - ath9k_hw_setpower(sc->sc_ah, - sc->sc_ah->ah_restore_mode); -} -#endif /* CORE_H */ -- cgit v1.2.3