diff options
author | merge <null@invalid> | 2009-01-22 13:55:32 +0000 |
---|---|---|
committer | Andy Green <agreen@octopus.localdomain> | 2009-01-22 13:55:32 +0000 |
commit | aa6f5ffbdba45aa8e19e5048648fc6c7b25376d3 (patch) | |
tree | fbb786d0ac6f8a774fd834e9ce951197e60fbffa /drivers/net/wireless/b43legacy/main.c | |
parent | f2d78193eae5dccd3d588d2c8ea0866efc368332 (diff) |
MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141
pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 / fdf777a63bcb59e0dfd78bfe2c6242e01f6d4eb9 ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040
stable-tracking-hist top was MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 / 90463bfd2d5a3c8b52f6e6d71024a00e052b0ced ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-mokopatches-tracking-hist-fix-stray-endmenu-patch
mokopatches-tracking-hist top was fix-stray-endmenu-patch / 3630e0be570de8057e7f8d2fe501ed353cdf34e6 ... parent commitmessage:
From: Andy Green <andy@openmoko.com>
fix-stray-endmenu.patch
Signed-off-by: Andy Green <andy@openmoko.com>
Diffstat (limited to 'drivers/net/wireless/b43legacy/main.c')
-rw-r--r-- | drivers/net/wireless/b43legacy/main.c | 213 |
1 files changed, 124 insertions, 89 deletions
diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c index c66d57560e7..fb996c27a19 100644 --- a/drivers/net/wireless/b43legacy/main.c +++ b/drivers/net/wireless/b43legacy/main.c @@ -576,13 +576,11 @@ static void b43legacy_set_slot_time(struct b43legacy_wldev *dev, static void b43legacy_short_slot_timing_enable(struct b43legacy_wldev *dev) { b43legacy_set_slot_time(dev, 9); - dev->short_slot = 1; } static void b43legacy_short_slot_timing_disable(struct b43legacy_wldev *dev) { b43legacy_set_slot_time(dev, 20); - dev->short_slot = 0; } /* Enable a Generic IRQ. "mask" is the mask of which IRQs to enable. @@ -1160,29 +1158,6 @@ static void b43legacy_update_templates(struct b43legacy_wl *wl) wl->beacon1_uploaded = 0; } -static void b43legacy_set_ssid(struct b43legacy_wldev *dev, - const u8 *ssid, u8 ssid_len) -{ - u32 tmp; - u16 i; - u16 len; - - len = min((u16)ssid_len, (u16)0x100); - for (i = 0; i < len; i += sizeof(u32)) { - tmp = (u32)(ssid[i + 0]); - if (i + 1 < len) - tmp |= (u32)(ssid[i + 1]) << 8; - if (i + 2 < len) - tmp |= (u32)(ssid[i + 2]) << 16; - if (i + 3 < len) - tmp |= (u32)(ssid[i + 3]) << 24; - b43legacy_shm_write32(dev, B43legacy_SHM_SHARED, - 0x380 + i, tmp); - } - b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, - 0x48, len); -} - static void b43legacy_set_beacon_int(struct b43legacy_wldev *dev, u16 beacon_int) { @@ -2490,7 +2465,7 @@ static void b43legacy_put_phy_into_reset(struct b43legacy_wldev *dev) static int b43legacy_switch_phymode(struct b43legacy_wl *wl, unsigned int new_mode) { - struct b43legacy_wldev *up_dev; + struct b43legacy_wldev *uninitialized_var(up_dev); struct b43legacy_wldev *down_dev; int err; bool gmode = 0; @@ -2556,26 +2531,27 @@ init_failure: return err; } -static int b43legacy_antenna_from_ieee80211(u8 antenna) +/* Write the short and long frame retry limit values. */ +static void b43legacy_set_retry_limits(struct b43legacy_wldev *dev, + unsigned int short_retry, + unsigned int long_retry) { - switch (antenna) { - case 0: /* default/diversity */ - return B43legacy_ANTENNA_DEFAULT; - case 1: /* Antenna 0 */ - return B43legacy_ANTENNA0; - case 2: /* Antenna 1 */ - return B43legacy_ANTENNA1; - default: - return B43legacy_ANTENNA_DEFAULT; - } + /* The retry limit is a 4-bit counter. Enforce this to avoid overflowing + * the chip-internal counter. */ + short_retry = min(short_retry, (unsigned int)0xF); + long_retry = min(long_retry, (unsigned int)0xF); + + b43legacy_shm_write16(dev, B43legacy_SHM_WIRELESS, 0x0006, short_retry); + b43legacy_shm_write16(dev, B43legacy_SHM_WIRELESS, 0x0007, long_retry); } static int b43legacy_op_dev_config(struct ieee80211_hw *hw, - struct ieee80211_conf *conf) + u32 changed) { struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw); struct b43legacy_wldev *dev; struct b43legacy_phy *phy; + struct ieee80211_conf *conf = &hw->conf; unsigned long flags; unsigned int new_phymode = 0xFFFF; int antenna_tx; @@ -2583,13 +2559,21 @@ static int b43legacy_op_dev_config(struct ieee80211_hw *hw, int err = 0; u32 savedirqs; - antenna_tx = b43legacy_antenna_from_ieee80211(conf->antenna_sel_tx); - antenna_rx = b43legacy_antenna_from_ieee80211(conf->antenna_sel_rx); + antenna_tx = B43legacy_ANTENNA_DEFAULT; + antenna_rx = B43legacy_ANTENNA_DEFAULT; mutex_lock(&wl->mutex); dev = wl->current_dev; phy = &dev->phy; + if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) + b43legacy_set_retry_limits(dev, + conf->short_frame_max_tx_count, + conf->long_frame_max_tx_count); + changed &= ~IEEE80211_CONF_CHANGE_RETRY_LIMITS; + if (!changed) + goto out_unlock_mutex; + /* Switch the PHY mode (if necessary). */ switch (conf->channel->band) { case IEEE80211_BAND_2GHZ: @@ -2622,16 +2606,6 @@ static int b43legacy_op_dev_config(struct ieee80211_hw *hw, if (conf->channel->hw_value != phy->channel) b43legacy_radio_selectchannel(dev, conf->channel->hw_value, 0); - /* Enable/Disable ShortSlot timing. */ - if ((!!(conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME)) - != dev->short_slot) { - B43legacy_WARN_ON(phy->type != B43legacy_PHYTYPE_G); - if (conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME) - b43legacy_short_slot_timing_enable(dev); - else - b43legacy_short_slot_timing_disable(dev); - } - dev->wl->radiotap_enabled = !!(conf->flags & IEEE80211_CONF_RADIOTAP); /* Adjust the desired TX power level. */ @@ -2676,6 +2650,104 @@ out_unlock_mutex: return err; } +static void b43legacy_update_basic_rates(struct b43legacy_wldev *dev, u64 brates) +{ + struct ieee80211_supported_band *sband = + dev->wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ]; + struct ieee80211_rate *rate; + int i; + u16 basic, direct, offset, basic_offset, rateptr; + + for (i = 0; i < sband->n_bitrates; i++) { + rate = &sband->bitrates[i]; + + if (b43legacy_is_cck_rate(rate->hw_value)) { + direct = B43legacy_SHM_SH_CCKDIRECT; + basic = B43legacy_SHM_SH_CCKBASIC; + offset = b43legacy_plcp_get_ratecode_cck(rate->hw_value); + offset &= 0xF; + } else { + direct = B43legacy_SHM_SH_OFDMDIRECT; + basic = B43legacy_SHM_SH_OFDMBASIC; + offset = b43legacy_plcp_get_ratecode_ofdm(rate->hw_value); + offset &= 0xF; + } + + rate = ieee80211_get_response_rate(sband, brates, rate->bitrate); + + if (b43legacy_is_cck_rate(rate->hw_value)) { + basic_offset = b43legacy_plcp_get_ratecode_cck(rate->hw_value); + basic_offset &= 0xF; + } else { + basic_offset = b43legacy_plcp_get_ratecode_ofdm(rate->hw_value); + basic_offset &= 0xF; + } + + /* + * Get the pointer that we need to point to + * from the direct map + */ + rateptr = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, + direct + 2 * basic_offset); + /* and write it to the basic map */ + b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, + basic + 2 * offset, rateptr); + } +} + +static void b43legacy_op_bss_info_changed(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *conf, + u32 changed) +{ + struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw); + struct b43legacy_wldev *dev; + struct b43legacy_phy *phy; + unsigned long flags; + u32 savedirqs; + + mutex_lock(&wl->mutex); + + dev = wl->current_dev; + phy = &dev->phy; + + /* Disable IRQs while reconfiguring the device. + * This makes it possible to drop the spinlock throughout + * the reconfiguration process. */ + spin_lock_irqsave(&wl->irq_lock, flags); + if (b43legacy_status(dev) < B43legacy_STAT_STARTED) { + spin_unlock_irqrestore(&wl->irq_lock, flags); + goto out_unlock_mutex; + } + savedirqs = b43legacy_interrupt_disable(dev, B43legacy_IRQ_ALL); + spin_unlock_irqrestore(&wl->irq_lock, flags); + b43legacy_synchronize_irq(dev); + + b43legacy_mac_suspend(dev); + + if (changed & BSS_CHANGED_BASIC_RATES) + b43legacy_update_basic_rates(dev, conf->basic_rates); + + if (changed & BSS_CHANGED_ERP_SLOT) { + if (conf->use_short_slot) + b43legacy_short_slot_timing_enable(dev); + else + b43legacy_short_slot_timing_disable(dev); + } + + b43legacy_mac_enable(dev); + + spin_lock_irqsave(&wl->irq_lock, flags); + b43legacy_interrupt_enable(dev, savedirqs); + /* XXX: why? */ + mmiowb(); + spin_unlock_irqrestore(&wl->irq_lock, flags); + out_unlock_mutex: + mutex_unlock(&wl->mutex); + + return; +} + static void b43legacy_op_configure_filter(struct ieee80211_hw *hw, unsigned int changed, unsigned int *fflags, @@ -2735,7 +2807,6 @@ static int b43legacy_op_config_interface(struct ieee80211_hw *hw, if (b43legacy_status(dev) >= B43legacy_STAT_INITIALIZED) { if (b43legacy_is_mode(wl, NL80211_IFTYPE_AP)) { B43legacy_WARN_ON(vif->type != NL80211_IFTYPE_AP); - b43legacy_set_ssid(dev, conf->ssid, conf->ssid_len); if (conf->changed & IEEE80211_IFCC_BEACON) b43legacy_update_templates(wl); } else if (b43legacy_is_mode(wl, NL80211_IFTYPE_ADHOC)) { @@ -3002,20 +3073,6 @@ static void b43legacy_imcfglo_timeouts_workaround(struct b43legacy_wldev *dev) #endif /* CONFIG_SSB_DRIVER_PCICORE */ } -/* Write the short and long frame retry limit values. */ -static void b43legacy_set_retry_limits(struct b43legacy_wldev *dev, - unsigned int short_retry, - unsigned int long_retry) -{ - /* The retry limit is a 4-bit counter. Enforce this to avoid overflowing - * the chip-internal counter. */ - short_retry = min(short_retry, (unsigned int)0xF); - long_retry = min(long_retry, (unsigned int)0xF); - - b43legacy_shm_write16(dev, B43legacy_SHM_WIRELESS, 0x0006, short_retry); - b43legacy_shm_write16(dev, B43legacy_SHM_WIRELESS, 0x0007, long_retry); -} - static void b43legacy_set_synth_pu_delay(struct b43legacy_wldev *dev, bool idle) { u16 pu_delay = 1050; @@ -3380,28 +3437,6 @@ static void b43legacy_op_stop(struct ieee80211_hw *hw) mutex_unlock(&wl->mutex); } -static int b43legacy_op_set_retry_limit(struct ieee80211_hw *hw, - u32 short_retry_limit, - u32 long_retry_limit) -{ - struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw); - struct b43legacy_wldev *dev; - int err = 0; - - mutex_lock(&wl->mutex); - dev = wl->current_dev; - if (unlikely(!dev || - (b43legacy_status(dev) < B43legacy_STAT_INITIALIZED))) { - err = -ENODEV; - goto out_unlock; - } - b43legacy_set_retry_limits(dev, short_retry_limit, long_retry_limit); -out_unlock: - mutex_unlock(&wl->mutex); - - return err; -} - static int b43legacy_op_beacon_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set) { @@ -3421,13 +3456,13 @@ static const struct ieee80211_ops b43legacy_hw_ops = { .add_interface = b43legacy_op_add_interface, .remove_interface = b43legacy_op_remove_interface, .config = b43legacy_op_dev_config, + .bss_info_changed = b43legacy_op_bss_info_changed, .config_interface = b43legacy_op_config_interface, .configure_filter = b43legacy_op_configure_filter, .get_stats = b43legacy_op_get_stats, .get_tx_stats = b43legacy_op_get_tx_stats, .start = b43legacy_op_start, .stop = b43legacy_op_stop, - .set_retry_limit = b43legacy_op_set_retry_limit, .set_tim = b43legacy_op_beacon_set_tim, }; @@ -3710,7 +3745,7 @@ static int b43legacy_wireless_init(struct ssb_device *dev) BIT(NL80211_IFTYPE_WDS) | BIT(NL80211_IFTYPE_ADHOC); hw->queues = 1; /* FIXME: hardware has more queues */ - hw->max_altrates = 1; + hw->max_rates = 2; SET_IEEE80211_DEV(hw, dev->dev); if (is_valid_ether_addr(sprom->et1mac)) SET_IEEE80211_PERM_ADDR(hw, sprom->et1mac); |