Broadcom B43 wireless driver
Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>
- Copyright (c) 2005 Stefano Brivio <st3@riseup.net>
+ Copyright (c) 2005 Stefano Brivio <stefano.brivio@polimi.it>
Copyright (c) 2005, 2006 Michael Buesch <mb@bu3sch.de>
Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org>
Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch>
MODULE_PARM_DESC(bad_frames_preempt,
"enable(1) / disable(0) Bad Frames Preemption");
-static int modparam_short_retry = B43_DEFAULT_SHORT_RETRY_LIMIT;
-module_param_named(short_retry, modparam_short_retry, int, 0444);
-MODULE_PARM_DESC(short_retry, "Short-Retry-Limit (0 - 15)");
-
-static int modparam_long_retry = B43_DEFAULT_LONG_RETRY_LIMIT;
-module_param_named(long_retry, modparam_long_retry, int, 0444);
-MODULE_PARM_DESC(long_retry, "Long-Retry-Limit (0 - 15)");
-
static char modparam_fwpostfix[16];
module_param_string(fwpostfix, modparam_fwpostfix, 16, 0444);
MODULE_PARM_DESC(fwpostfix, "Postfix for the .fw files to load.");
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 7),
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 9),
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 10),
+ SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 13),
SSB_DEVTABLE_END
};
if (unlikely(reason & B43_IRQ_MAC_TXERR))
b43err(dev->wl, "MAC transmission error\n");
- if (unlikely(reason & B43_IRQ_PHY_TXERR))
+ if (unlikely(reason & B43_IRQ_PHY_TXERR)) {
b43err(dev->wl, "PHY transmission error\n");
+ rmb();
+ if (unlikely(atomic_dec_and_test(&dev->phy.txerr_cnt))) {
+ atomic_set(&dev->phy.txerr_cnt,
+ B43_PHY_TX_BADNESS_LIMIT);
+ b43err(dev->wl, "Too many PHY TX errors, "
+ "restarting the controller\n");
+ b43_controller_restart(dev, "PHY TX errors");
+ }
+ }
if (unlikely(merged_dma_reason & (B43_DMAIRQ_FATALMASK |
B43_DMAIRQ_NONFATALMASK))) {
static void b43_print_fw_helptext(struct b43_wl *wl)
{
b43err(wl, "You must go to "
- "http://linuxwireless.org/en/users/Drivers/bcm43xx#devicefirmware "
+ "http://linuxwireless.org/en/users/Drivers/b43#devicefirmware "
"and download the correct firmware (version 4).\n");
}
mask |= 0x0180;
set |= 0x0180;
}
- if (dev->dev->bus->sprom.r1.boardflags_lo & B43_BFL_PACTRL) {
+ if (dev->dev->bus->sprom.boardflags_lo & B43_BFL_PACTRL) {
b43_write16(dev, B43_MMIO_GPIO_MASK,
b43_read16(dev, B43_MMIO_GPIO_MASK)
| 0x0200);
static void b43_chip_exit(struct b43_wldev *dev)
{
b43_radio_turn_off(dev, 1);
- b43_leds_exit(dev);
b43_gpio_cleanup(dev);
/* firmware is released later */
}
err = b43_gpio_init(dev);
if (err)
goto out; /* firmware is released later */
- b43_leds_init(dev);
err = b43_upload_initvals(dev);
if (err)
- goto err_leds_exit;
+ goto err_gpio_clean;
b43_radio_turn_on(dev);
b43_write16(dev, 0x03E6, 0x0000);
err_radio_off:
b43_radio_turn_off(dev, 1);
-err_leds_exit:
- b43_leds_exit(dev);
+err_gpio_clean:
b43_gpio_cleanup(dev);
return err;
}
if (!b43_has_hardware_pctl(phy))
b43_lo_g_ctl_mark_all_unused(dev);
- if (dev->dev->bus->sprom.r1.boardflags_lo & B43_BFL_RSSI) {
+ if (dev->dev->bus->sprom.boardflags_lo & B43_BFL_RSSI) {
b43_mac_suspend(dev);
b43_calc_nrssi_slope(dev);
if ((phy->radio_ver == 0x2050) && (phy->radio_rev == 8)) {
}
b43_phy_xmitpower(dev); //FIXME: unless scanning?
//TODO for APHY (temperature?)
+
+ atomic_set(&phy->txerr_cnt, B43_PHY_TX_BADNESS_LIMIT);
+ wmb();
}
static void do_periodic_work(struct b43_wldev *dev)
return err;
}
-static int b43_tx(struct ieee80211_hw *hw,
- struct sk_buff *skb, struct ieee80211_tx_control *ctl)
+static int b43_op_tx(struct ieee80211_hw *hw,
+ struct sk_buff *skb,
+ struct ieee80211_tx_control *ctl)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev = wl->current_dev;
spin_unlock_irqrestore(&wl->irq_lock, flags);
} else
err = b43_dma_tx(dev, skb, ctl);
- out:
+out:
if (unlikely(err))
return NETDEV_TX_BUSY;
return NETDEV_TX_OK;
}
-static int b43_conf_tx(struct ieee80211_hw *hw,
- int queue,
- const struct ieee80211_tx_queue_params *params)
+static int b43_op_conf_tx(struct ieee80211_hw *hw,
+ int queue,
+ const struct ieee80211_tx_queue_params *params)
{
return 0;
}
-static int b43_get_tx_stats(struct ieee80211_hw *hw,
- struct ieee80211_tx_queue_stats *stats)
+static int b43_op_get_tx_stats(struct ieee80211_hw *hw,
+ struct ieee80211_tx_queue_stats *stats)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev = wl->current_dev;
err = 0;
}
spin_unlock_irqrestore(&wl->irq_lock, flags);
- out:
+out:
return err;
}
-static int b43_get_stats(struct ieee80211_hw *hw,
- struct ieee80211_low_level_stats *stats)
+static int b43_op_get_stats(struct ieee80211_hw *hw,
+ struct ieee80211_low_level_stats *stats)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
unsigned long flags;
}
}
-static int b43_dev_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf)
+static int b43_op_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev;
b43_short_slot_timing_disable(dev);
}
+ dev->wl->radiotap_enabled = !!(conf->flags & IEEE80211_CONF_RADIOTAP);
+
/* Adjust the desired TX power level. */
if (conf->power_level != 0) {
if (conf->power_level != phy->power_level) {
return err;
}
-static int b43_dev_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
+static int b43_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
const u8 *local_addr, const u8 *addr,
struct ieee80211_key_conf *key)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
- struct b43_wldev *dev = wl->current_dev;
+ struct b43_wldev *dev;
unsigned long flags;
u8 algorithm;
u8 index;
- int err = -EINVAL;
+ int err;
DECLARE_MAC_BUF(mac);
if (modparam_nohwcrypt)
return -ENOSPC; /* User disabled HW-crypto */
- if (!dev)
- return -ENODEV;
+ mutex_lock(&wl->mutex);
+ spin_lock_irqsave(&wl->irq_lock, flags);
+
+ dev = wl->current_dev;
+ err = -ENODEV;
+ if (!dev || b43_status(dev) < B43_STAT_INITIALIZED)
+ goto out_unlock;
+
+ err = -EINVAL;
switch (key->alg) {
case ALG_WEP:
if (key->keylen == 5)
break;
default:
B43_WARN_ON(1);
- goto out;
+ goto out_unlock;
}
-
index = (u8) (key->keyidx);
if (index > 3)
- goto out;
-
- mutex_lock(&wl->mutex);
- spin_lock_irqsave(&wl->irq_lock, flags);
-
- if (b43_status(dev) < B43_STAT_INITIALIZED) {
- err = -ENODEV;
goto out_unlock;
- }
switch (cmd) {
case SET_KEY:
out_unlock:
spin_unlock_irqrestore(&wl->irq_lock, flags);
mutex_unlock(&wl->mutex);
-out:
if (!err) {
b43dbg(wl, "%s hardware based encryption for keyidx: %d, "
"mac: %s\n",
return err;
}
-static void b43_configure_filter(struct ieee80211_hw *hw,
- unsigned int changed, unsigned int *fflags,
- int mc_count, struct dev_addr_list *mc_list)
+static void b43_op_configure_filter(struct ieee80211_hw *hw,
+ unsigned int changed, unsigned int *fflags,
+ int mc_count, struct dev_addr_list *mc_list)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev = wl->current_dev;
spin_unlock_irqrestore(&wl->irq_lock, flags);
}
-static int b43_config_interface(struct ieee80211_hw *hw,
- int if_id, struct ieee80211_if_conf *conf)
+static int b43_op_config_interface(struct ieee80211_hw *hw,
+ int if_id,
+ struct ieee80211_if_conf *conf)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev = wl->current_dev;
unsupported = 1;
break;
case B43_PHYTYPE_G:
- if (phy_rev > 8)
+ if (phy_rev > 9)
unsupported = 1;
break;
default:
phy->channel = 0xFF;
phy->hardware_power_control = !!modparam_hwpctl;
+
+ /* PHY TX errors counter. */
+ atomic_set(&phy->txerr_cnt, B43_PHY_TX_BADNESS_LIMIT);
+
+ /* OFDM-table address caching. */
+ phy->ofdmtab_addr_direction = B43_OFDMTAB_DIRECTION_UNKNOWN;
}
static void setup_struct_wldev_for_init(struct b43_wldev *dev)
struct ssb_sprom *sprom = &dev->dev->bus->sprom;
u32 hf;
- if (!(sprom->r1.boardflags_lo & B43_BFL_BTCOEXIST))
+ if (!(sprom->boardflags_lo & B43_BFL_BTCOEXIST))
return;
if (dev->phy.type != B43_PHYTYPE_B && !dev->phy.gmode)
return;
hf = b43_hf_read(dev);
- if (sprom->r1.boardflags_lo & B43_BFL_BTCMOD)
+ if (sprom->boardflags_lo & B43_BFL_BTCMOD)
hf |= B43_HF_BTCOEXALT;
else
hf |= B43_HF_BTCOEX;
#endif /* CONFIG_SSB_DRIVER_PCICORE */
}
+/* Write the short and long frame retry limit values. */
+static void b43_set_retry_limits(struct b43_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);
+
+ b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_SRLIMIT,
+ short_retry);
+ b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_LRLIMIT,
+ long_retry);
+}
+
/* Shutdown a wireless core */
/* Locking: wl->mutex */
static void b43_wireless_core_exit(struct b43_wldev *dev)
return;
b43_set_status(dev, B43_STAT_UNINIT);
- mutex_unlock(&dev->wl->mutex);
- b43_rfkill_exit(dev);
- mutex_lock(&dev->wl->mutex);
-
+ b43_leds_exit(dev);
b43_rng_exit(dev->wl);
b43_pio_free(dev);
b43_dma_free(dev);
hf |= B43_HF_SYMW;
if (phy->rev == 1)
hf |= B43_HF_GDCW;
- if (sprom->r1.boardflags_lo & B43_BFL_PACTRL)
+ if (sprom->boardflags_lo & B43_BFL_PACTRL)
hf |= B43_HF_OFDMPABOOST;
} else if (phy->type == B43_PHYTYPE_B) {
hf |= B43_HF_SYMW;
}
b43_hf_write(dev, hf);
- /* Short/Long Retry Limit.
- * The retry-limit is a 4-bit counter. Enforce this to avoid overflowing
- * the chip-internal counter.
- */
- tmp = limit_value(modparam_short_retry, 0, 0xF);
- b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_SRLIMIT, tmp);
- tmp = limit_value(modparam_long_retry, 0, 0xF);
- b43_shm_write16(dev, B43_SHM_SCRATCH, B43_SHM_SC_LRLIMIT, tmp);
-
+ b43_set_retry_limits(dev, B43_DEFAULT_SHORT_RETRY_LIMIT,
+ B43_DEFAULT_LONG_RETRY_LIMIT);
b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_SFFBLIM, 3);
b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_LFFBLIM, 2);
memset(wl->mac_addr, 0, ETH_ALEN);
b43_upload_card_macaddress(dev);
b43_security_init(dev);
- b43_rfkill_init(dev);
b43_rng_init(wl);
b43_set_status(dev, B43_STAT_INITIALIZED);
- out:
+ b43_leds_init(dev);
+out:
return err;
err_chip_exit:
return err;
}
-static int b43_add_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf)
+static int b43_op_add_interface(struct ieee80211_hw *hw,
+ struct ieee80211_if_init_conf *conf)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev;
return err;
}
-static void b43_remove_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf)
+static void b43_op_remove_interface(struct ieee80211_hw *hw,
+ struct ieee80211_if_init_conf *conf)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev = wl->current_dev;
mutex_unlock(&wl->mutex);
}
-static int b43_start(struct ieee80211_hw *hw)
+static int b43_op_start(struct ieee80211_hw *hw)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev = wl->current_dev;
int did_init = 0;
int err = 0;
+ /* First register RFkill.
+ * LEDs that are registered later depend on it. */
+ b43_rfkill_init(dev);
+
mutex_lock(&wl->mutex);
if (b43_status(dev) < B43_STAT_INITIALIZED) {
return err;
}
-static void b43_stop(struct ieee80211_hw *hw)
+static void b43_op_stop(struct ieee80211_hw *hw)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
struct b43_wldev *dev = wl->current_dev;
+ b43_rfkill_exit(dev);
+
mutex_lock(&wl->mutex);
if (b43_status(dev) >= B43_STAT_STARTED)
b43_wireless_core_stop(dev);
mutex_unlock(&wl->mutex);
}
+static int b43_op_set_retry_limit(struct ieee80211_hw *hw,
+ u32 short_retry_limit, u32 long_retry_limit)
+{
+ struct b43_wl *wl = hw_to_b43_wl(hw);
+ struct b43_wldev *dev;
+ int err = 0;
+
+ mutex_lock(&wl->mutex);
+ dev = wl->current_dev;
+ if (unlikely(!dev || (b43_status(dev) < B43_STAT_INITIALIZED))) {
+ err = -ENODEV;
+ goto out_unlock;
+ }
+ b43_set_retry_limits(dev, short_retry_limit, long_retry_limit);
+out_unlock:
+ mutex_unlock(&wl->mutex);
+
+ return err;
+}
+
static const struct ieee80211_ops b43_hw_ops = {
- .tx = b43_tx,
- .conf_tx = b43_conf_tx,
- .add_interface = b43_add_interface,
- .remove_interface = b43_remove_interface,
- .config = b43_dev_config,
- .config_interface = b43_config_interface,
- .configure_filter = b43_configure_filter,
- .set_key = b43_dev_set_key,
- .get_stats = b43_get_stats,
- .get_tx_stats = b43_get_tx_stats,
- .start = b43_start,
- .stop = b43_stop,
+ .tx = b43_op_tx,
+ .conf_tx = b43_op_conf_tx,
+ .add_interface = b43_op_add_interface,
+ .remove_interface = b43_op_remove_interface,
+ .config = b43_op_config,
+ .config_interface = b43_op_config_interface,
+ .configure_filter = b43_op_configure_filter,
+ .set_key = b43_op_set_key,
+ .get_stats = b43_op_get_stats,
+ .get_tx_stats = b43_op_get_tx_stats,
+ .start = b43_op_start,
+ .stop = b43_op_stop,
+ .set_retry_limit = b43_op_set_retry_limit,
};
/* Hard-reset the chip. Do not call this directly.
/* boardflags workarounds */
if (bus->boardinfo.vendor == SSB_BOARDVENDOR_DELL &&
bus->chip_id == 0x4301 && bus->boardinfo.rev == 0x74)
- bus->sprom.r1.boardflags_lo |= B43_BFL_BTCOEXIST;
+ bus->sprom.boardflags_lo |= B43_BFL_BTCOEXIST;
if (bus->boardinfo.vendor == PCI_VENDOR_ID_APPLE &&
bus->boardinfo.type == 0x4E && bus->boardinfo.rev > 0x40)
- bus->sprom.r1.boardflags_lo |= B43_BFL_PACTRL;
+ bus->sprom.boardflags_lo |= B43_BFL_PACTRL;
/* Handle case when gain is not set in sprom */
- if (bus->sprom.r1.antenna_gain_a == 0xFF)
- bus->sprom.r1.antenna_gain_a = 2;
- if (bus->sprom.r1.antenna_gain_bg == 0xFF)
- bus->sprom.r1.antenna_gain_bg = 2;
+ if (bus->sprom.antenna_gain_a == 0xFF)
+ bus->sprom.antenna_gain_a = 2;
+ if (bus->sprom.antenna_gain_bg == 0xFF)
+ bus->sprom.antenna_gain_bg = 2;
/* Convert Antennagain values to Q5.2 */
- bus->sprom.r1.antenna_gain_a <<= 2;
- bus->sprom.r1.antenna_gain_bg <<= 2;
+ bus->sprom.antenna_gain_a <<= 2;
+ bus->sprom.antenna_gain_bg <<= 2;
}
static void b43_wireless_exit(struct ssb_device *dev, struct b43_wl *wl)
}
/* fill hw info */
- hw->flags = IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE;
+ hw->flags = IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE |
+ IEEE80211_HW_RX_INCLUDES_FCS;
hw->max_signal = 100;
hw->max_rssi = -110;
hw->max_noise = -110;
hw->queues = 1; /* FIXME: hardware has more queues */
SET_IEEE80211_DEV(hw, dev->dev);
- if (is_valid_ether_addr(sprom->r1.et1mac))
- SET_IEEE80211_PERM_ADDR(hw, sprom->r1.et1mac);
+ if (is_valid_ether_addr(sprom->et1mac))
+ SET_IEEE80211_PERM_ADDR(hw, sprom->et1mac);
else
- SET_IEEE80211_PERM_ADDR(hw, sprom->r1.il0mac);
+ SET_IEEE80211_PERM_ADDR(hw, sprom->il0mac);
/* Get and initialize struct b43_wl */
wl = hw_to_b43_wl(hw);
projects / deliverable / linux.git / blobdiff