diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath5k')
-rw-r--r-- | drivers/net/wireless/ath/ath5k/ath5k.h | 40 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath5k/attach.c | 31 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath5k/base.c | 116 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath5k/base.h | 12 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath5k/initvals.c | 4 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath5k/pcu.c | 193 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath5k/reg.h | 8 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath5k/reset.c | 16 |
8 files changed, 146 insertions, 274 deletions
diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h b/drivers/net/wireless/ath/ath5k/ath5k.h index 6cd5efcec41..647d826bf5f 100644 --- a/drivers/net/wireless/ath/ath5k/ath5k.h +++ b/drivers/net/wireless/ath/ath5k/ath5k.h @@ -35,6 +35,7 @@ * TODO: Make a more generic struct (eg. add more stuff to ath5k_capabilities) * and clean up common bits, then introduce set/get functions in eeprom.c */ #include "eeprom.h" +#include "../ath.h" /* PCI IDs */ #define PCI_DEVICE_ID_ATHEROS_AR5210 0x0007 /* AR5210 */ @@ -165,13 +166,6 @@ #define AR5K_INI_VAL_XR 0 #define AR5K_INI_VAL_MAX 5 -/* Used for BSSID etc manipulation */ -#define AR5K_LOW_ID(_a)( \ -(_a)[0] | (_a)[1] << 8 | (_a)[2] << 16 | (_a)[3] << 24 \ -) - -#define AR5K_HIGH_ID(_a) ((_a)[4] | (_a)[5] << 8) - /* * Some tuneable values (these should be changeable by the user) * TODO: Make use of them and add more options OR use debug/configfs @@ -1027,6 +1021,7 @@ struct ath5k_capabilities { /* TODO: Clean up and merge with ath5k_softc */ struct ath5k_hw { u32 ah_magic; + struct ath_common common; struct ath5k_softc *ah_sc; void __iomem *ah_iobase; @@ -1067,14 +1062,6 @@ struct ath5k_hw { u8 ah_def_ant; bool ah_software_retry; - u8 ah_sta_id[ETH_ALEN]; - - /* Current BSSID we are trying to assoc to / create. - * This is passed by mac80211 on config_interface() and cached here for - * use in resets */ - u8 ah_bssid[ETH_ALEN]; - u8 ah_bssid_mask[ETH_ALEN]; - int ah_gpio_npins; struct ath5k_capabilities ah_capabilities; @@ -1160,7 +1147,7 @@ struct ath5k_hw { */ /* Attach/Detach Functions */ -extern struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc); +extern int ath5k_hw_attach(struct ath5k_softc *sc); extern void ath5k_hw_detach(struct ath5k_hw *ah); /* LED functions */ @@ -1203,10 +1190,9 @@ extern bool ath5k_eeprom_is_hb63(struct ath5k_hw *ah); /* Protocol Control Unit Functions */ extern int ath5k_hw_set_opmode(struct ath5k_hw *ah); /* BSSID Functions */ -extern void ath5k_hw_get_lladdr(struct ath5k_hw *ah, u8 *mac); extern int ath5k_hw_set_lladdr(struct ath5k_hw *ah, const u8 *mac); -extern void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc_id); -extern int ath5k_hw_set_bssid_mask(struct ath5k_hw *ah, const u8 *mask); +extern void ath5k_hw_set_associd(struct ath5k_hw *ah); +extern void ath5k_hw_set_bssid_mask(struct ath5k_hw *ah, const u8 *mask); /* Receive start/stop functions */ extern void ath5k_hw_start_rx_pcu(struct ath5k_hw *ah); extern void ath5k_hw_stop_rx_pcu(struct ath5k_hw *ah); @@ -1329,17 +1315,21 @@ static inline unsigned int ath5k_hw_clocktoh(unsigned int clock, bool turbo) return turbo ? (clock / 80) : (clock / 40); } -/* - * Read from a register - */ +static inline struct ath_common *ath5k_hw_common(struct ath5k_hw *ah) +{ + return &ah->common; +} + +static inline struct ath_regulatory *ath5k_hw_regulatory(struct ath5k_hw *ah) +{ + return &(ath5k_hw_common(ah)->regulatory); +} + static inline u32 ath5k_hw_reg_read(struct ath5k_hw *ah, u16 reg) { return ioread32(ah->ah_iobase + reg); } -/* - * Write to a register - */ static inline void ath5k_hw_reg_write(struct ath5k_hw *ah, u32 val, u16 reg) { iowrite32(val, ah->ah_iobase + reg); diff --git a/drivers/net/wireless/ath/ath5k/attach.c b/drivers/net/wireless/ath/ath5k/attach.c index 71a1bd25451..92995adeb5c 100644 --- a/drivers/net/wireless/ath/ath5k/attach.c +++ b/drivers/net/wireless/ath/ath5k/attach.c @@ -101,25 +101,15 @@ static int ath5k_hw_post(struct ath5k_hw *ah) * -ENODEV if the device is not supported or prints an error msg if something * else went wrong. */ -struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc) +int ath5k_hw_attach(struct ath5k_softc *sc) { - struct ath5k_hw *ah; + struct ath5k_hw *ah = sc->ah; + struct ath_common *common = ath5k_hw_common(ah); struct pci_dev *pdev = sc->pdev; struct ath5k_eeprom_info *ee; int ret; u32 srev; - /*If we passed the test malloc a ath5k_hw struct*/ - ah = kzalloc(sizeof(struct ath5k_hw), GFP_KERNEL); - if (ah == NULL) { - ret = -ENOMEM; - ATH5K_ERR(sc, "out of memory\n"); - goto err; - } - - ah->ah_sc = sc; - ah->ah_iobase = sc->iobase; - /* * HW information */ @@ -278,12 +268,12 @@ struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc) goto err_free; } + ee = &ah->ah_capabilities.cap_eeprom; + /* * Write PCI-E power save settings */ if ((ah->ah_version == AR5K_AR5212) && (pdev->is_pcie)) { - struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; - ath5k_hw_reg_write(ah, 0x9248fc00, AR5K_PCIE_SERDES); ath5k_hw_reg_write(ah, 0x24924924, AR5K_PCIE_SERDES); @@ -321,7 +311,6 @@ struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc) } /* Crypto settings */ - ee = &ah->ah_capabilities.cap_eeprom; ah->ah_aes_support = srev >= AR5K_SREV_AR5212_V4 && (ee->ee_version >= AR5K_EEPROM_VERSION_5_0 && !AR5K_EEPROM_AES_DIS(ee->ee_misc5)); @@ -336,8 +325,8 @@ struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc) ath5k_hw_set_lladdr(ah, (u8[ETH_ALEN]){}); /* Set BSSID to bcast address: ff:ff:ff:ff:ff:ff for now */ - memset(ah->ah_bssid, 0xff, ETH_ALEN); - ath5k_hw_set_associd(ah, ah->ah_bssid, 0); + memcpy(common->curbssid, ath_bcast_mac, ETH_ALEN); + ath5k_hw_set_associd(ah); ath5k_hw_set_opmode(ah); ath5k_hw_rfgain_opt_init(ah); @@ -345,11 +334,10 @@ struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc) /* turn on HW LEDs */ ath5k_hw_set_ledstate(ah, AR5K_LED_INIT); - return ah; + return 0; err_free: kfree(ah); -err: - return ERR_PTR(ret); + return ret; } /** @@ -369,5 +357,4 @@ void ath5k_hw_detach(struct ath5k_hw *ah) ath5k_eeprom_detach(ah); /* assume interrupts are down */ - kfree(ah); } diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c index 9c6ab5378f6..07c1e52b5a0 100644 --- a/drivers/net/wireless/ath/ath5k/base.c +++ b/drivers/net/wireless/ath/ath5k/base.c @@ -195,12 +195,13 @@ static int __devinit ath5k_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id); static void __devexit ath5k_pci_remove(struct pci_dev *pdev); #ifdef CONFIG_PM -static int ath5k_pci_suspend(struct pci_dev *pdev, - pm_message_t state); -static int ath5k_pci_resume(struct pci_dev *pdev); +static int ath5k_pci_suspend(struct device *dev); +static int ath5k_pci_resume(struct device *dev); + +SIMPLE_DEV_PM_OPS(ath5k_pm_ops, ath5k_pci_suspend, ath5k_pci_resume); +#define ATH5K_PM_OPS (&ath5k_pm_ops) #else -#define ath5k_pci_suspend NULL -#define ath5k_pci_resume NULL +#define ATH5K_PM_OPS NULL #endif /* CONFIG_PM */ static struct pci_driver ath5k_pci_driver = { @@ -208,8 +209,7 @@ static struct pci_driver ath5k_pci_driver = { .id_table = ath5k_pci_id_table, .probe = ath5k_pci_probe, .remove = __devexit_p(ath5k_pci_remove), - .suspend = ath5k_pci_suspend, - .resume = ath5k_pci_resume, + .driver.pm = ATH5K_PM_OPS, }; @@ -437,6 +437,22 @@ ath5k_chip_name(enum ath5k_srev_type type, u_int16_t val) return name; } +static unsigned int ath5k_ioread32(void *hw_priv, u32 reg_offset) +{ + struct ath5k_hw *ah = (struct ath5k_hw *) hw_priv; + return ath5k_hw_reg_read(ah, reg_offset); +} + +static void ath5k_iowrite32(void *hw_priv, u32 val, u32 reg_offset) +{ + struct ath5k_hw *ah = (struct ath5k_hw *) hw_priv; + ath5k_hw_reg_write(ah, val, reg_offset); +} + +static const struct ath_ops ath5k_common_ops = { + .read = ath5k_ioread32, + .write = ath5k_iowrite32, +}; static int __devinit ath5k_pci_probe(struct pci_dev *pdev, @@ -444,6 +460,7 @@ ath5k_pci_probe(struct pci_dev *pdev, { void __iomem *mem; struct ath5k_softc *sc; + struct ath_common *common; struct ieee80211_hw *hw; int ret; u8 csz; @@ -547,7 +564,6 @@ ath5k_pci_probe(struct pci_dev *pdev, __set_bit(ATH_STAT_INVALID, sc->status); sc->iobase = mem; /* So we can unmap it on detach */ - sc->common.cachelsz = csz << 2; /* convert to bytes */ sc->opmode = NL80211_IFTYPE_STATION; sc->bintval = 1000; mutex_init(&sc->lock); @@ -565,13 +581,28 @@ ath5k_pci_probe(struct pci_dev *pdev, goto err_free; } - /* Initialize device */ - sc->ah = ath5k_hw_attach(sc); - if (IS_ERR(sc->ah)) { - ret = PTR_ERR(sc->ah); + /*If we passed the test malloc a ath5k_hw struct*/ + sc->ah = kzalloc(sizeof(struct ath5k_hw), GFP_KERNEL); + if (!sc->ah) { + ret = -ENOMEM; + ATH5K_ERR(sc, "out of memory\n"); goto err_irq; } + sc->ah->ah_sc = sc; + sc->ah->ah_iobase = sc->iobase; + common = ath5k_hw_common(sc->ah); + common->ops = &ath5k_common_ops; + common->ah = sc->ah; + common->hw = hw; + common->cachelsz = csz << 2; /* convert to bytes */ + + /* Initialize device */ + ret = ath5k_hw_attach(sc); + if (ret) { + goto err_free_ah; + } + /* set up multi-rate retry capabilities */ if (sc->ah->ah_version == AR5K_AR5212) { hw->max_rates = 4; @@ -640,6 +671,8 @@ err_ah: ath5k_hw_detach(sc->ah); err_irq: free_irq(pdev->irq, sc); +err_free_ah: + kfree(sc->ah); err_free: ieee80211_free_hw(hw); err_map: @@ -661,6 +694,7 @@ ath5k_pci_remove(struct pci_dev *pdev) ath5k_debug_finish_device(sc); ath5k_detach(pdev, hw); ath5k_hw_detach(sc->ah); + kfree(sc->ah); free_irq(pdev->irq, sc); pci_iounmap(pdev, sc->iobase); pci_release_region(pdev, 0); @@ -669,33 +703,20 @@ ath5k_pci_remove(struct pci_dev *pdev) } #ifdef CONFIG_PM -static int -ath5k_pci_suspend(struct pci_dev *pdev, pm_message_t state) +static int ath5k_pci_suspend(struct device *dev) { - struct ieee80211_hw *hw = pci_get_drvdata(pdev); + struct ieee80211_hw *hw = pci_get_drvdata(to_pci_dev(dev)); struct ath5k_softc *sc = hw->priv; ath5k_led_off(sc); - - pci_save_state(pdev); - pci_disable_device(pdev); - pci_set_power_state(pdev, PCI_D3hot); - return 0; } -static int -ath5k_pci_resume(struct pci_dev *pdev) +static int ath5k_pci_resume(struct device *dev) { + struct pci_dev *pdev = to_pci_dev(dev); struct ieee80211_hw *hw = pci_get_drvdata(pdev); struct ath5k_softc *sc = hw->priv; - int err; - - pci_restore_state(pdev); - - err = pci_enable_device(pdev); - if (err) - return err; /* * Suspend/Resume resets the PCI configuration space, so we have to @@ -718,7 +739,7 @@ static int ath5k_reg_notifier(struct wiphy *wiphy, struct regulatory_request *re { struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); struct ath5k_softc *sc = hw->priv; - struct ath_regulatory *regulatory = &sc->common.regulatory; + struct ath_regulatory *regulatory = ath5k_hw_regulatory(sc->ah); return ath_reg_notifier_apply(wiphy, request, regulatory); } @@ -728,7 +749,7 @@ ath5k_attach(struct pci_dev *pdev, struct ieee80211_hw *hw) { struct ath5k_softc *sc = hw->priv; struct ath5k_hw *ah = sc->ah; - struct ath_regulatory *regulatory = &sc->common.regulatory; + struct ath_regulatory *regulatory = ath5k_hw_regulatory(ah); u8 mac[ETH_ALEN] = {}; int ret; @@ -815,7 +836,7 @@ ath5k_attach(struct pci_dev *pdev, struct ieee80211_hw *hw) SET_IEEE80211_PERM_ADDR(hw, mac); /* All MAC address bits matter for ACKs */ - memset(sc->bssidmask, 0xff, ETH_ALEN); + memcpy(sc->bssidmask, ath_bcast_mac, ETH_ALEN); ath5k_hw_set_bssid_mask(sc->ah, sc->bssidmask); regulatory->current_rd = ah->ah_capabilities.cap_eeprom.ee_regdomain; @@ -1153,19 +1174,20 @@ ath5k_hw_to_driver_rix(struct ath5k_softc *sc, int hw_rix) static struct sk_buff *ath5k_rx_skb_alloc(struct ath5k_softc *sc, dma_addr_t *skb_addr) { + struct ath_common *common = ath5k_hw_common(sc->ah); struct sk_buff *skb; /* * Allocate buffer with headroom_needed space for the * fake physical layer header at the start. */ - skb = ath_rxbuf_alloc(&sc->common, - sc->rxbufsize + sc->common.cachelsz - 1, + skb = ath_rxbuf_alloc(common, + sc->rxbufsize + common->cachelsz - 1, GFP_ATOMIC); if (!skb) { ATH5K_ERR(sc, "can't alloc skbuff of size %u\n", - sc->rxbufsize + sc->common.cachelsz - 1); + sc->rxbufsize + common->cachelsz - 1); return NULL; } @@ -1606,13 +1628,14 @@ static int ath5k_rx_start(struct ath5k_softc *sc) { struct ath5k_hw *ah = sc->ah; + struct ath_common *common = ath5k_hw_common(ah); struct ath5k_buf *bf; int ret; - sc->rxbufsize = roundup(IEEE80211_MAX_LEN, sc->common.cachelsz); + sc->rxbufsize = roundup(IEEE80211_MAX_LEN, common->cachelsz); ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "cachelsz %u rxbufsize %u\n", - sc->common.cachelsz, sc->rxbufsize); + common->cachelsz, sc->rxbufsize); spin_lock_bh(&sc->rxbuflock); sc->rxlink = NULL; @@ -1685,13 +1708,14 @@ static void ath5k_check_ibss_tsf(struct ath5k_softc *sc, struct sk_buff *skb, struct ieee80211_rx_status *rxs) { + struct ath_common *common = ath5k_hw_common(sc->ah); u64 tsf, bc_tstamp; u32 hw_tu; struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data; if (ieee80211_is_beacon(mgmt->frame_control) && le16_to_cpu(mgmt->u.beacon.capab_info) & WLAN_CAPABILITY_IBSS && - memcmp(mgmt->bssid, sc->ah->ah_bssid, ETH_ALEN) == 0) { + memcmp(mgmt->bssid, common->curbssid, ETH_ALEN) == 0) { /* * Received an IBSS beacon with the same BSSID. Hardware *must* * have updated the local TSF. We have to work around various @@ -3177,6 +3201,7 @@ static void ath5k_bss_info_changed(struct ieee80211_hw *hw, { struct ath5k_softc *sc = hw->priv; struct ath5k_hw *ah = sc->ah; + struct ath_common *common = ath5k_hw_common(ah); unsigned long flags; mutex_lock(&sc->lock); @@ -3185,10 +3210,9 @@ static void ath5k_bss_info_changed(struct ieee80211_hw *hw, if (changes & BSS_CHANGED_BSSID) { /* Cache for later use during resets */ - memcpy(ah->ah_bssid, bss_conf->bssid, ETH_ALEN); - /* XXX: assoc id is set to 0 for now, mac80211 doesn't have - * a clean way of letting us retrieve this yet. */ - ath5k_hw_set_associd(ah, ah->ah_bssid, 0); + memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN); + common->curaid = 0; + ath5k_hw_set_associd(ah); mmiowb(); } @@ -3201,6 +3225,14 @@ static void ath5k_bss_info_changed(struct ieee80211_hw *hw, set_beacon_filter(hw, sc->assoc); ath5k_hw_set_ledstate(sc->ah, sc->assoc ? AR5K_LED_ASSOC : AR5K_LED_INIT); + if (bss_conf->assoc) { + ATH5K_DBG(sc, ATH5K_DEBUG_ANY, + "Bss Info ASSOC %d, bssid: %pM\n", + bss_conf->aid, common->curbssid); + common->curaid = bss_conf->aid; + ath5k_hw_set_associd(ah); + /* Once ANI is available you would start it here */ + } } if (changes & BSS_CHANGED_BEACON) { diff --git a/drivers/net/wireless/ath/ath5k/base.h b/drivers/net/wireless/ath/ath5k/base.h index a28c42f32c9..b14ba07e915 100644 --- a/drivers/net/wireless/ath/ath5k/base.h +++ b/drivers/net/wireless/ath/ath5k/base.h @@ -115,7 +115,6 @@ struct ath5k_rfkill { * associated with an instance of a device */ struct ath5k_softc { struct pci_dev *pdev; /* for dma mapping */ - struct ath_common common; void __iomem *iobase; /* address of the device */ struct mutex lock; /* dev-level lock */ struct ieee80211_tx_queue_stats tx_stats[AR5K_NUM_TX_QUEUES]; @@ -202,15 +201,4 @@ struct ath5k_softc { #define ath5k_hw_hasveol(_ah) \ (ath5k_hw_get_capability(_ah, AR5K_CAP_VEOL, 0, NULL) == 0) -static inline struct ath_common *ath5k_hw_common(struct ath5k_hw *ah) -{ - return &ah->ah_sc->common; -} - -static inline struct ath_regulatory *ath5k_hw_regulatory(struct ath5k_hw *ah) -{ - return &(ath5k_hw_common(ah)->regulatory); - -} - #endif diff --git a/drivers/net/wireless/ath/ath5k/initvals.c b/drivers/net/wireless/ath/ath5k/initvals.c index 18eb5190ce4..8fa43930882 100644 --- a/drivers/net/wireless/ath/ath5k/initvals.c +++ b/drivers/net/wireless/ath/ath5k/initvals.c @@ -560,8 +560,8 @@ static const struct ath5k_ini ar5212_ini_common_start[] = { { AR5K_SLEEP0, 0x0002aaaa }, { AR5K_SLEEP1, 0x02005555 }, { AR5K_SLEEP2, 0x00000000 }, - { AR5K_BSS_IDM0, 0xffffffff }, - { AR5K_BSS_IDM1, 0x0000ffff }, + { AR_BSSMSKL, 0xffffffff }, + { AR_BSSMSKU, 0x0000ffff }, { AR5K_TXPC, 0x00000000 }, { AR5K_PROFCNT_TX, 0x00000000 }, { AR5K_PROFCNT_RX, 0x00000000 }, diff --git a/drivers/net/wireless/ath/ath5k/pcu.c b/drivers/net/wireless/ath/ath5k/pcu.c index 2942f13c9c4..64fc1eb9b6d 100644 --- a/drivers/net/wireless/ath/ath5k/pcu.c +++ b/drivers/net/wireless/ath/ath5k/pcu.c @@ -24,6 +24,8 @@ * Protocol Control Unit Functions * \*********************************/ +#include <asm/unaligned.h> + #include "ath5k.h" #include "reg.h" #include "debug.h" @@ -44,6 +46,7 @@ */ int ath5k_hw_set_opmode(struct ath5k_hw *ah) { + struct ath_common *common = ath5k_hw_common(ah); u32 pcu_reg, beacon_reg, low_id, high_id; @@ -95,8 +98,8 @@ int ath5k_hw_set_opmode(struct ath5k_hw *ah) /* * Set PCU registers */ - low_id = AR5K_LOW_ID(ah->ah_sta_id); - high_id = AR5K_HIGH_ID(ah->ah_sta_id); + low_id = get_unaligned_le32(common->macaddr); + high_id = get_unaligned_le16(common->macaddr + 4); ath5k_hw_reg_write(ah, low_id, AR5K_STA_ID0); ath5k_hw_reg_write(ah, pcu_reg | high_id, AR5K_STA_ID1); @@ -238,28 +241,6 @@ int ath5k_hw_set_cts_timeout(struct ath5k_hw *ah, unsigned int timeout) return 0; } - -/****************\ -* BSSID handling * -\****************/ - -/** - * ath5k_hw_get_lladdr - Get station id - * - * @ah: The &struct ath5k_hw - * @mac: The card's mac address - * - * Initialize ah->ah_sta_id using the mac address provided - * (just a memcpy). - * - * TODO: Remove it once we merge ath5k_softc and ath5k_hw - */ -void ath5k_hw_get_lladdr(struct ath5k_hw *ah, u8 *mac) -{ - ATH5K_TRACE(ah->ah_sc); - memcpy(mac, ah->ah_sta_id, ETH_ALEN); -} - /** * ath5k_hw_set_lladdr - Set station id * @@ -270,17 +251,18 @@ void ath5k_hw_get_lladdr(struct ath5k_hw *ah, u8 *mac) */ int ath5k_hw_set_lladdr(struct ath5k_hw *ah, const u8 *mac) { + struct ath_common *common = ath5k_hw_common(ah); u32 low_id, high_id; u32 pcu_reg; ATH5K_TRACE(ah->ah_sc); /* Set new station ID */ - memcpy(ah->ah_sta_id, mac, ETH_ALEN); + memcpy(common->macaddr, mac, ETH_ALEN); pcu_reg = ath5k_hw_reg_read(ah, AR5K_STA_ID1) & 0xffff0000; - low_id = AR5K_LOW_ID(mac); - high_id = AR5K_HIGH_ID(mac); + low_id = get_unaligned_le32(mac); + high_id = get_unaligned_le16(mac + 4); ath5k_hw_reg_write(ah, low_id, AR5K_STA_ID0); ath5k_hw_reg_write(ah, pcu_reg | high_id, AR5K_STA_ID1); @@ -297,159 +279,51 @@ int ath5k_hw_set_lladdr(struct ath5k_hw *ah, const u8 *mac) * * Sets the BSSID which trigers the "SME Join" operation */ -void ath5k_hw_set_associd(struct ath5k_hw *ah, const u8 *bssid, u16 assoc_id) +void ath5k_hw_set_associd(struct ath5k_hw *ah) { - u32 low_id, high_id; + struct ath_common *common = ath5k_hw_common(ah); u16 tim_offset = 0; /* * Set simple BSSID mask on 5212 */ - if (ah->ah_version == AR5K_AR5212) { - ath5k_hw_reg_write(ah, AR5K_LOW_ID(ah->ah_bssid_mask), - AR5K_BSS_IDM0); - ath5k_hw_reg_write(ah, AR5K_HIGH_ID(ah->ah_bssid_mask), - AR5K_BSS_IDM1); - } + if (ah->ah_version == AR5K_AR5212) + ath_hw_setbssidmask(common); /* * Set BSSID which triggers the "SME Join" operation */ - low_id = AR5K_LOW_ID(bssid); - high_id = AR5K_HIGH_ID(bssid); - ath5k_hw_reg_write(ah, low_id, AR5K_BSS_ID0); - ath5k_hw_reg_write(ah, high_id | ((assoc_id & 0x3fff) << - AR5K_BSS_ID1_AID_S), AR5K_BSS_ID1); - - if (assoc_id == 0) { + ath5k_hw_reg_write(ah, + get_unaligned_le32(common->curbssid), + AR5K_BSS_ID0); + ath5k_hw_reg_write(ah, + get_unaligned_le16(common->curbssid + 4) | + ((common->curaid & 0x3fff) << AR5K_BSS_ID1_AID_S), + AR5K_BSS_ID1); + + if (common->curaid == 0) { ath5k_hw_disable_pspoll(ah); return; } AR5K_REG_WRITE_BITS(ah, AR5K_BEACON, AR5K_BEACON_TIM, - tim_offset ? tim_offset + 4 : 0); + tim_offset ? tim_offset + 4 : 0); ath5k_hw_enable_pspoll(ah, NULL, 0); } -/** - * ath5k_hw_set_bssid_mask - filter out bssids we listen - * - * @ah: the &struct ath5k_hw - * @mask: the bssid_mask, a u8 array of size ETH_ALEN - * - * BSSID masking is a method used by AR5212 and newer hardware to inform PCU - * which bits of the interface's MAC address should be looked at when trying - * to decide which packets to ACK. In station mode and AP mode with a single - * BSS every bit matters since we lock to only one BSS. In AP mode with - * multiple BSSes (virtual interfaces) not every bit matters because hw must - * accept frames for all BSSes and so we tweak some bits of our mac address - * in order to have multiple BSSes. - * - * NOTE: This is a simple filter and does *not* filter out all - * relevant frames. Some frames that are not for us might get ACKed from us - * by PCU because they just match the mask. - * - * When handling multiple BSSes you can get the BSSID mask by computing the - * set of ~ ( MAC XOR BSSID ) for all bssids we handle. - * - * When you do this you are essentially computing the common bits of all your - * BSSes. Later it is assumed the harware will "and" (&) the BSSID mask with - * the MAC address to obtain the relevant bits and compare the result with - * (frame's BSSID & mask) to see if they match. - */ -/* - * Simple example: on your card you have have two BSSes you have created with - * BSSID-01 and BSSID-02. Lets assume BSSID-01 will not use the MAC address. - * There is another BSSID-03 but you are not part of it. For simplicity's sake, - * assuming only 4 bits for a mac address and for BSSIDs you can then have: - * - * \ - * MAC: 0001 | - * BSSID-01: 0100 | --> Belongs to us - * BSSID-02: 1001 | - * / - * ------------------- - * BSSID-03: 0110 | --> External - * ------------------- - * - * Our bssid_mask would then be: - * - * On loop iteration for BSSID-01: - * ~(0001 ^ 0100) -> ~(0101) - * -> 1010 - * bssid_mask = 1010 - * - * On loop iteration for BSSID-02: - * bssid_mask &= ~(0001 ^ 1001) - * bssid_mask = (1010) & ~(0001 ^ 1001) - * bssid_mask = (1010) & ~(1001) - * bssid_mask = (1010) & (0110) - * bssid_mask = 0010 - * - * A bssid_mask of 0010 means "only pay attention to the second least - * significant bit". This is because its the only bit common - * amongst the MAC and all BSSIDs we support. To findout what the real - * common bit is we can simply "&" the bssid_mask now with any BSSID we have - * or our MAC address (we assume the hardware uses the MAC address). - * - * Now, suppose there's an incoming frame for BSSID-03: - * - * IFRAME-01: 0110 - * - * An easy eye-inspeciton of this already should tell you that this frame - * will not pass our check. This is beacuse the bssid_mask tells the - * hardware to only look at the second least significant bit and the - * common bit amongst the MAC and BSSIDs is 0, this frame has the 2nd LSB - * as 1, which does not match 0. - * - * So with IFRAME-01 we *assume* the hardware will do: - * - * allow = (IFRAME-01 & bssid_mask) == (bssid_mask & MAC) ? 1 : 0; - * --> allow = (0110 & 0010) == (0010 & 0001) ? 1 : 0; - * --> allow = (0010) == 0000 ? 1 : 0; - * --> allow = 0 - * - * Lets now test a frame that should work: - * - * IFRAME-02: 0001 (we should allow) - * - * allow = (0001 & 1010) == 1010 - * - * allow = (IFRAME-02 & bssid_mask) == (bssid_mask & MAC) ? 1 : 0; - * --> allow = (0001 & 0010) == (0010 & 0001) ? 1 :0; - * --> allow = (0010) == (0010) - * --> allow = 1 - * - * Other examples: - * - * IFRAME-03: 0100 --> allowed - * IFRAME-04: 1001 --> allowed - * IFRAME-05: 1101 --> allowed but its not for us!!! - * - */ -int ath5k_hw_set_bssid_mask(struct ath5k_hw *ah, const u8 *mask) +void ath5k_hw_set_bssid_mask(struct ath5k_hw *ah, const u8 *mask) { - u32 low_id, high_id; + struct ath_common *common = ath5k_hw_common(ah); ATH5K_TRACE(ah->ah_sc); /* Cache bssid mask so that we can restore it * on reset */ - memcpy(ah->ah_bssid_mask, mask, ETH_ALEN); - if (ah->ah_version == AR5K_AR5212) { - low_id = AR5K_LOW_ID(mask); - high_id = AR5K_HIGH_ID(mask); - - ath5k_hw_reg_write(ah, low_id, AR5K_BSS_IDM0); - ath5k_hw_reg_write(ah, high_id, AR5K_BSS_IDM1); - - return 0; - } - - return -EIO; + memcpy(common->bssidmask, mask, ETH_ALEN); + if (ah->ah_version == AR5K_AR5212) + ath_hw_setbssidmask(common); } - /************\ * RX Control * \************/ @@ -1157,14 +1031,17 @@ int ath5k_hw_set_key_lladdr(struct ath5k_hw *ah, u16 entry, const u8 *mac) /* Invalid entry (key table overflow) */ AR5K_ASSERT_ENTRY(entry, AR5K_KEYTABLE_SIZE); - /* MAC may be NULL if it's a broadcast key. In this case no need to - * to compute AR5K_LOW_ID and AR5K_HIGH_ID as we already know it. */ + /* + * MAC may be NULL if it's a broadcast key. In this case no need to + * to compute get_unaligned_le32 and get_unaligned_le16 as we + * already know it. + */ if (!mac) { low_id = 0xffffffff; high_id = 0xffff | AR5K_KEYTABLE_VALID; } else { - low_id = AR5K_LOW_ID(mac); - high_id = AR5K_HIGH_ID(mac) | AR5K_KEYTABLE_VALID; + low_id = get_unaligned_le32(mac); + high_id = get_unaligned_le16(mac + 4) | AR5K_KEYTABLE_VALID; } ath5k_hw_reg_write(ah, low_id, AR5K_KEYTABLE_MAC0(entry)); diff --git a/drivers/net/wireless/ath/ath5k/reg.h b/drivers/net/wireless/ath/ath5k/reg.h index c63ea6afd96..64227abe3c2 100644 --- a/drivers/net/wireless/ath/ath5k/reg.h +++ b/drivers/net/wireless/ath/ath5k/reg.h @@ -35,7 +35,7 @@ * released by Atheros and on various debug messages found on the net. */ - +#include "../reg.h" /*====MAC DMA REGISTERS====*/ @@ -1650,12 +1650,6 @@ #define AR5K_SLEEP2_DTIM_PER_S 16 /* - * BSSID mask registers - */ -#define AR5K_BSS_IDM0 0x80e0 /* Upper bits */ -#define AR5K_BSS_IDM1 0x80e4 /* Lower bits */ - -/* * TX power control (TPC) register * * XXX: PCDAC steps (0.5dbm) or DBM ? diff --git a/drivers/net/wireless/ath/ath5k/reset.c b/drivers/net/wireless/ath/ath5k/reset.c index 34e13c70084..3dab3d856d7 100644 --- a/drivers/net/wireless/ath/ath5k/reset.c +++ b/drivers/net/wireless/ath/ath5k/reset.c @@ -25,6 +25,8 @@ Reset functions and helpers \*****************************/ +#include <asm/unaligned.h> + #include <linux/pci.h> /* To determine if a card is pci-e */ #include <linux/log2.h> #include "ath5k.h" @@ -870,6 +872,7 @@ static void ath5k_hw_commit_eeprom_settings(struct ath5k_hw *ah, int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode, struct ieee80211_channel *channel, bool change_channel) { + struct ath_common *common = ath5k_hw_common(ah); u32 s_seq[10], s_ant, s_led[3], staid1_flags, tsf_up, tsf_lo; u32 phy_tst1; u8 mode, freq, ee_mode, ant[2]; @@ -1171,10 +1174,12 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode, ath5k_hw_reg_write(ah, s_led[2], AR5K_GPIODO); /* Restore sta_id flags and preserve our mac address*/ - ath5k_hw_reg_write(ah, AR5K_LOW_ID(ah->ah_sta_id), - AR5K_STA_ID0); - ath5k_hw_reg_write(ah, staid1_flags | AR5K_HIGH_ID(ah->ah_sta_id), - AR5K_STA_ID1); + ath5k_hw_reg_write(ah, + get_unaligned_le32(common->macaddr), + AR5K_STA_ID0); + ath5k_hw_reg_write(ah, + staid1_flags | get_unaligned_le16(common->macaddr + 4), + AR5K_STA_ID1); /* @@ -1182,8 +1187,7 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode, */ /* Restore bssid and bssid mask */ - /* XXX: add ah->aid once mac80211 gives this to us */ - ath5k_hw_set_associd(ah, ah->ah_bssid, 0); + ath5k_hw_set_associd(ah); /* Set PCU config */ ath5k_hw_set_opmode(ah); |