#include <linux/moduleparam.h>
#include <linux/if_arp.h>
#include <linux/etherdevice.h>
-#include <linux/version.h>
#include <linux/firmware.h>
#include <linux/wireless.h>
#include <linux/workqueue.h>
+#include <linux/sched.h>
#include <linux/skbuff.h>
#include <linux/dma-mapping.h>
#include <net/dst.h>
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.
- * Returns the _previously_ enabled IRQ mask.
- */
-static inline u32 b43legacy_interrupt_enable(struct b43legacy_wldev *dev,
- u32 mask)
-{
- u32 old_mask;
-
- old_mask = b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_MASK);
- b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, old_mask |
- mask);
-
- return old_mask;
-}
-
-/* Disable a Generic IRQ. "mask" is the mask of which IRQs to disable.
- * Returns the _previously_ enabled IRQ mask.
- */
-static inline u32 b43legacy_interrupt_disable(struct b43legacy_wldev *dev,
- u32 mask)
-{
- u32 old_mask;
-
- old_mask = b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_MASK);
- b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, old_mask & ~mask);
-
- return old_mask;
}
/* Synchronize IRQ top- and bottom-half.
static void handle_irq_tbtt_indication(struct b43legacy_wldev *dev)
{
- if (b43legacy_is_mode(dev->wl, IEEE80211_IF_TYPE_AP)) {
+ if (b43legacy_is_mode(dev->wl, NL80211_IFTYPE_AP)) {
/* TODO: PS TBTT */
} else {
if (1/*FIXME: the last PSpoll frame was sent successfully */)
b43legacy_power_saving_ctl_bits(dev, -1, -1);
}
- if (b43legacy_is_mode(dev->wl, IEEE80211_IF_TYPE_IBSS))
+ if (b43legacy_is_mode(dev->wl, NL80211_IFTYPE_ADHOC))
dev->dfq_valid = 1;
}
size + sizeof(struct b43legacy_plcp_hdr6));
}
+/* Convert a b43legacy antenna number value to the PHY TX control value. */
+static u16 b43legacy_antenna_to_phyctl(int antenna)
+{
+ switch (antenna) {
+ case B43legacy_ANTENNA0:
+ return B43legacy_TX4_PHY_ANT0;
+ case B43legacy_ANTENNA1:
+ return B43legacy_TX4_PHY_ANT1;
+ }
+ return B43legacy_TX4_PHY_ANTLAST;
+}
+
static void b43legacy_write_beacon_template(struct b43legacy_wldev *dev,
u16 ram_offset,
- u16 shm_size_offset, u8 rate)
+ u16 shm_size_offset)
{
unsigned int i, len, variable_len;
const struct ieee80211_mgmt *bcn;
const u8 *ie;
bool tim_found = 0;
+ unsigned int rate;
+ u16 ctl;
+ int antenna;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(dev->wl->current_beacon);
bcn = (const struct ieee80211_mgmt *)(dev->wl->current_beacon->data);
len = min((size_t)dev->wl->current_beacon->len,
0x200 - sizeof(struct b43legacy_plcp_hdr6));
+ rate = ieee80211_get_tx_rate(dev->wl->hw, info)->hw_value;
b43legacy_write_template_common(dev, (const u8 *)bcn, len, ram_offset,
shm_size_offset, rate);
+ /* Write the PHY TX control parameters. */
+ antenna = B43legacy_ANTENNA_DEFAULT;
+ antenna = b43legacy_antenna_to_phyctl(antenna);
+ ctl = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED,
+ B43legacy_SHM_SH_BEACPHYCTL);
+ /* We can't send beacons with short preamble. Would get PHY errors. */
+ ctl &= ~B43legacy_TX4_PHY_SHORTPRMBL;
+ ctl &= ~B43legacy_TX4_PHY_ANT;
+ ctl &= ~B43legacy_TX4_PHY_ENC;
+ ctl |= antenna;
+ ctl |= B43legacy_TX4_PHY_ENC_CCK;
+ b43legacy_shm_write16(dev, B43legacy_SHM_SHARED,
+ B43legacy_SHM_SH_BEACPHYCTL, ctl);
+
/* Find the position of the TIM and the DTIM_period value
* and write them to SHM. */
ie = bcn->u.beacon.variable;
b43legacywarn(dev->wl, "Did not find a valid TIM IE in the "
"beacon template packet. AP or IBSS operation "
"may be broken.\n");
- }
+ } else
+ b43legacydbg(dev->wl, "Updated beacon template\n");
}
static void b43legacy_write_probe_resp_plcp(struct b43legacy_wldev *dev,
__le16 dur;
plcp.data = 0;
- b43legacy_generate_plcp_hdr(&plcp, size + FCS_LEN, rate->bitrate);
+ b43legacy_generate_plcp_hdr(&plcp, size + FCS_LEN, rate->hw_value);
dur = ieee80211_generic_frame_duration(dev->wl->hw,
dev->wl->vif,
size,
0x200 - sizeof(struct b43legacy_plcp_hdr6));
b43legacy_write_template_common(dev, probe_resp_data,
size, ram_offset,
- shm_size_offset, rate->bitrate);
+ shm_size_offset, rate->hw_value);
kfree(probe_resp_data);
}
+static void b43legacy_upload_beacon0(struct b43legacy_wldev *dev)
+{
+ struct b43legacy_wl *wl = dev->wl;
+
+ if (wl->beacon0_uploaded)
+ return;
+ b43legacy_write_beacon_template(dev, 0x68, 0x18);
+ /* FIXME: Probe resp upload doesn't really belong here,
+ * but we don't use that feature anyway. */
+ b43legacy_write_probe_resp_template(dev, 0x268, 0x4A,
+ &__b43legacy_ratetable[3]);
+ wl->beacon0_uploaded = 1;
+}
+
+static void b43legacy_upload_beacon1(struct b43legacy_wldev *dev)
+{
+ struct b43legacy_wl *wl = dev->wl;
+
+ if (wl->beacon1_uploaded)
+ return;
+ b43legacy_write_beacon_template(dev, 0x468, 0x1A);
+ wl->beacon1_uploaded = 1;
+}
+
+static void handle_irq_beacon(struct b43legacy_wldev *dev)
+{
+ struct b43legacy_wl *wl = dev->wl;
+ u32 cmd, beacon0_valid, beacon1_valid;
+
+ if (!b43legacy_is_mode(wl, NL80211_IFTYPE_AP))
+ return;
+
+ /* This is the bottom half of the asynchronous beacon update. */
+
+ /* Ignore interrupt in the future. */
+ dev->irq_mask &= ~B43legacy_IRQ_BEACON;
+
+ cmd = b43legacy_read32(dev, B43legacy_MMIO_MACCMD);
+ beacon0_valid = (cmd & B43legacy_MACCMD_BEACON0_VALID);
+ beacon1_valid = (cmd & B43legacy_MACCMD_BEACON1_VALID);
+
+ /* Schedule interrupt manually, if busy. */
+ if (beacon0_valid && beacon1_valid) {
+ b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_REASON, B43legacy_IRQ_BEACON);
+ dev->irq_mask |= B43legacy_IRQ_BEACON;
+ return;
+ }
+
+ if (unlikely(wl->beacon_templates_virgin)) {
+ /* We never uploaded a beacon before.
+ * Upload both templates now, but only mark one valid. */
+ wl->beacon_templates_virgin = 0;
+ b43legacy_upload_beacon0(dev);
+ b43legacy_upload_beacon1(dev);
+ cmd = b43legacy_read32(dev, B43legacy_MMIO_MACCMD);
+ cmd |= B43legacy_MACCMD_BEACON0_VALID;
+ b43legacy_write32(dev, B43legacy_MMIO_MACCMD, cmd);
+ } else {
+ if (!beacon0_valid) {
+ b43legacy_upload_beacon0(dev);
+ cmd = b43legacy_read32(dev, B43legacy_MMIO_MACCMD);
+ cmd |= B43legacy_MACCMD_BEACON0_VALID;
+ b43legacy_write32(dev, B43legacy_MMIO_MACCMD, cmd);
+ } else if (!beacon1_valid) {
+ b43legacy_upload_beacon1(dev);
+ cmd = b43legacy_read32(dev, B43legacy_MMIO_MACCMD);
+ cmd |= B43legacy_MACCMD_BEACON1_VALID;
+ b43legacy_write32(dev, B43legacy_MMIO_MACCMD, cmd);
+ }
+ }
+}
+
+static void b43legacy_beacon_update_trigger_work(struct work_struct *work)
+{
+ struct b43legacy_wl *wl = container_of(work, struct b43legacy_wl,
+ beacon_update_trigger);
+ struct b43legacy_wldev *dev;
+
+ mutex_lock(&wl->mutex);
+ dev = wl->current_dev;
+ if (likely(dev && (b43legacy_status(dev) >= B43legacy_STAT_INITIALIZED))) {
+ spin_lock_irq(&wl->irq_lock);
+ /* Update beacon right away or defer to IRQ. */
+ handle_irq_beacon(dev);
+ /* The handler might have updated the IRQ mask. */
+ b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK,
+ dev->irq_mask);
+ mmiowb();
+ spin_unlock_irq(&wl->irq_lock);
+ }
+ mutex_unlock(&wl->mutex);
+}
+
/* Asynchronously update the packet templates in template RAM.
* Locking: Requires wl->irq_lock to be locked. */
-static void b43legacy_update_templates(struct b43legacy_wl *wl,
- struct sk_buff *beacon)
+static void b43legacy_update_templates(struct b43legacy_wl *wl)
{
+ struct sk_buff *beacon;
/* This is the top half of the ansynchronous beacon update. The bottom
* half is the beacon IRQ. Beacon update must be asynchronous to avoid
* sending an invalid beacon. This can happen for example, if the
* firmware transmits a beacon while we are updating it. */
+ /* We could modify the existing beacon and set the aid bit in the TIM
+ * field, but that would probably require resizing and moving of data
+ * within the beacon template. Simply request a new beacon and let
+ * mac80211 do the hard work. */
+ beacon = ieee80211_beacon_get(wl->hw, wl->vif);
+ if (unlikely(!beacon))
+ return;
+
if (wl->current_beacon)
dev_kfree_skb_any(wl->current_beacon);
wl->current_beacon = beacon;
wl->beacon0_uploaded = 0;
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);
+ ieee80211_queue_work(wl->hw, &wl->beacon_update_trigger);
}
static void b43legacy_set_beacon_int(struct b43legacy_wldev *dev,
u16 beacon_int)
{
b43legacy_time_lock(dev);
- if (dev->dev->id.revision >= 3)
- b43legacy_write32(dev, 0x188, (beacon_int << 16));
- else {
+ if (dev->dev->id.revision >= 3) {
+ b43legacy_write32(dev, B43legacy_MMIO_TSF_CFP_REP,
+ (beacon_int << 16));
+ b43legacy_write32(dev, B43legacy_MMIO_TSF_CFP_START,
+ (beacon_int << 10));
+ } else {
b43legacy_write16(dev, 0x606, (beacon_int >> 6));
b43legacy_write16(dev, 0x610, beacon_int);
}
b43legacy_time_unlock(dev);
-}
-
-static void handle_irq_beacon(struct b43legacy_wldev *dev)
-{
- struct b43legacy_wl *wl = dev->wl;
- u32 cmd;
-
- if (!b43legacy_is_mode(wl, IEEE80211_IF_TYPE_AP))
- return;
-
- /* This is the bottom half of the asynchronous beacon update. */
-
- cmd = b43legacy_read32(dev, B43legacy_MMIO_MACCMD);
- if (!(cmd & B43legacy_MACCMD_BEACON0_VALID)) {
- if (!wl->beacon0_uploaded) {
- b43legacy_write_beacon_template(dev, 0x68,
- B43legacy_SHM_SH_BTL0,
- B43legacy_CCK_RATE_1MB);
- b43legacy_write_probe_resp_template(dev, 0x268,
- B43legacy_SHM_SH_PRTLEN,
- &__b43legacy_ratetable[3]);
- wl->beacon0_uploaded = 1;
- }
- cmd |= B43legacy_MACCMD_BEACON0_VALID;
- }
- if (!(cmd & B43legacy_MACCMD_BEACON1_VALID)) {
- if (!wl->beacon1_uploaded) {
- b43legacy_write_beacon_template(dev, 0x468,
- B43legacy_SHM_SH_BTL1,
- B43legacy_CCK_RATE_1MB);
- wl->beacon1_uploaded = 1;
- }
- cmd |= B43legacy_MACCMD_BEACON1_VALID;
- }
- b43legacy_write32(dev, B43legacy_MMIO_MACCMD, cmd);
+ b43legacydbg(dev->wl, "Set beacon interval to %u\n", beacon_int);
}
static void handle_irq_ucode_debug(struct b43legacy_wldev *dev)
if (reason & B43legacy_IRQ_TX_OK)
handle_irq_transmit_status(dev);
- b43legacy_interrupt_enable(dev, dev->irq_savedstate);
+ b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, dev->irq_mask);
mmiowb();
spin_unlock_irqrestore(&dev->wl->irq_lock, flags);
}
struct b43legacy_wldev *dev = dev_id;
u32 reason;
- if (!dev)
- return IRQ_NONE;
+ B43legacy_WARN_ON(!dev);
spin_lock(&dev->wl->irq_lock);
- if (b43legacy_status(dev) < B43legacy_STAT_STARTED)
+ if (unlikely(b43legacy_status(dev) < B43legacy_STAT_STARTED))
+ /* This can only happen on shared IRQ lines. */
goto out;
reason = b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_REASON);
if (reason == 0xffffffff) /* shared IRQ */
goto out;
ret = IRQ_HANDLED;
- reason &= b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_MASK);
+ reason &= dev->irq_mask;
if (!reason)
goto out;
& 0x0000DC00;
b43legacy_interrupt_ack(dev, reason);
- /* disable all IRQs. They are enabled again in the bottom half. */
- dev->irq_savedstate = b43legacy_interrupt_disable(dev,
- B43legacy_IRQ_ALL);
- /* save the reason code and call our bottom half. */
+ /* Disable all IRQs. They are enabled again in the bottom half. */
+ b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, 0);
+ /* Save the reason code and call our bottom half. */
dev->irq_reason = reason;
tasklet_schedule(&dev->isr_tasklet);
out:
/* Re-enable IRQs. */
spin_lock_irq(&dev->wl->irq_lock);
- b43legacy_interrupt_enable(dev, dev->irq_savedstate);
+ b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK,
+ dev->irq_mask);
spin_unlock_irq(&dev->wl->irq_lock);
}
}
/* Mask IRQs before suspending MAC. Otherwise
* the MAC stays busy and won't suspend. */
spin_lock_irq(&dev->wl->irq_lock);
- tmp = b43legacy_interrupt_disable(dev, B43legacy_IRQ_ALL);
+ b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, 0);
spin_unlock_irq(&dev->wl->irq_lock);
b43legacy_synchronize_irq(dev);
- dev->irq_savedstate = tmp;
b43legacy_power_saving_ctl_bits(dev, -1, 1);
b43legacy_write32(dev, B43legacy_MMIO_MACCTL,
ctl &= ~B43legacy_MACCTL_BEACPROMISC;
ctl |= B43legacy_MACCTL_INFRA;
- if (b43legacy_is_mode(wl, IEEE80211_IF_TYPE_AP))
+ if (b43legacy_is_mode(wl, NL80211_IFTYPE_AP))
ctl |= B43legacy_MACCTL_AP;
- else if (b43legacy_is_mode(wl, IEEE80211_IF_TYPE_IBSS))
+ else if (b43legacy_is_mode(wl, NL80211_IFTYPE_ADHOC))
ctl &= ~B43legacy_MACCTL_INFRA;
if (wl->filter_flags & FIF_CONTROL)
/* Periodic work locking policy:
* The whole periodic work handler is protected by
* wl->mutex. If another lock is needed somewhere in the
- * pwork callchain, it's aquired in-place, where it's needed.
+ * pwork callchain, it's acquired in-place, where it's needed.
*/
static void b43legacy_periodic_work_handler(struct work_struct *work)
{
delay = msecs_to_jiffies(50);
else
delay = round_jiffies_relative(HZ * 15);
- queue_delayed_work(wl->hw->workqueue, &dev->periodic_work, delay);
+ ieee80211_queue_delayed_work(wl->hw, &dev->periodic_work, delay);
out:
mutex_unlock(&wl->mutex);
}
dev->periodic_state = 0;
INIT_DELAYED_WORK(work, b43legacy_periodic_work_handler);
- queue_delayed_work(dev->wl->hw->workqueue, work, 0);
+ ieee80211_queue_delayed_work(dev->wl->hw, work, 0);
}
/* Validate access to the chip (SHM) */
dev->max_nr_keys - 8);
}
+#ifdef CONFIG_B43LEGACY_HWRNG
static int b43legacy_rng_read(struct hwrng *rng, u32 *data)
{
struct b43legacy_wl *wl = (struct b43legacy_wl *)rng->priv;
return (sizeof(u16));
}
+#endif
static void b43legacy_rng_exit(struct b43legacy_wl *wl)
{
+#ifdef CONFIG_B43LEGACY_HWRNG
if (wl->rng_initialized)
hwrng_unregister(&wl->rng);
+#endif
}
static int b43legacy_rng_init(struct b43legacy_wl *wl)
{
- int err;
+ int err = 0;
+#ifdef CONFIG_B43LEGACY_HWRNG
snprintf(wl->rng_name, ARRAY_SIZE(wl->rng_name),
"%s_%s", KBUILD_MODNAME, wiphy_name(wl->hw->wiphy));
wl->rng.name = wl->rng_name;
"number generator (%d)\n", err);
}
+#endif
return err;
}
static int b43legacy_op_tx(struct ieee80211_hw *hw,
- struct sk_buff *skb,
- struct ieee80211_tx_control *ctl)
+ struct sk_buff *skb)
{
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
struct b43legacy_wldev *dev = wl->current_dev;
/* DMA-TX is done without a global lock. */
if (b43legacy_using_pio(dev)) {
spin_lock_irqsave(&wl->irq_lock, flags);
- err = b43legacy_pio_tx(dev, skb, ctl);
+ err = b43legacy_pio_tx(dev, skb);
spin_unlock_irqrestore(&wl->irq_lock, flags);
} else
- err = b43legacy_dma_tx(dev, skb, ctl);
+ err = b43legacy_dma_tx(dev, skb);
out:
- if (unlikely(err))
- return NETDEV_TX_BUSY;
+ if (unlikely(err)) {
+ /* Drop the packet. */
+ dev_kfree_skb_any(skb);
+ }
return NETDEV_TX_OK;
}
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;
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;
int antenna_rx;
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:
spin_unlock_irqrestore(&wl->irq_lock, flags);
goto out_unlock_mutex;
}
- savedirqs = b43legacy_interrupt_disable(dev, B43legacy_IRQ_ALL);
+ b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, 0);
spin_unlock_irqrestore(&wl->irq_lock, flags);
b43legacy_synchronize_irq(dev);
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);
+ dev->wl->radiotap_enabled = !!(conf->flags & IEEE80211_CONF_MONITOR);
/* Adjust the desired TX power level. */
if (conf->power_level != 0) {
/* Antennas for RX and management frame TX. */
b43legacy_mgmtframe_txantenna(dev, antenna_tx);
- /* Update templates for AP mode. */
- if (b43legacy_is_mode(wl, IEEE80211_IF_TYPE_AP))
- b43legacy_set_beacon_int(dev, conf->beacon_int);
-
-
- if (!!conf->radio_enabled != phy->radio_on) {
- if (conf->radio_enabled) {
+ if (wl->radio_enabled != phy->radio_on) {
+ if (wl->radio_enabled) {
b43legacy_radio_turn_on(dev);
b43legacyinfo(dev->wl, "Radio turned on by software\n");
if (!dev->radio_hw_enable)
}
spin_lock_irqsave(&wl->irq_lock, flags);
- b43legacy_interrupt_enable(dev, savedirqs);
+ b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, dev->irq_mask);
mmiowb();
spin_unlock_irqrestore(&wl->irq_lock, flags);
out_unlock_mutex:
return err;
}
+static void b43legacy_update_basic_rates(struct b43legacy_wldev *dev, u32 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;
+
+ mutex_lock(&wl->mutex);
+ B43legacy_WARN_ON(wl->vif != vif);
+
+ 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;
+ }
+ b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, 0);
+
+ if (changed & BSS_CHANGED_BSSID) {
+ b43legacy_synchronize_irq(dev);
+
+ if (conf->bssid)
+ memcpy(wl->bssid, conf->bssid, ETH_ALEN);
+ else
+ memset(wl->bssid, 0, ETH_ALEN);
+ }
+
+ if (b43legacy_status(dev) >= B43legacy_STAT_INITIALIZED) {
+ if (changed & BSS_CHANGED_BEACON &&
+ (b43legacy_is_mode(wl, NL80211_IFTYPE_AP) ||
+ b43legacy_is_mode(wl, NL80211_IFTYPE_ADHOC)))
+ b43legacy_update_templates(wl);
+
+ if (changed & BSS_CHANGED_BSSID)
+ b43legacy_write_mac_bssid_templates(dev);
+ }
+ spin_unlock_irqrestore(&wl->irq_lock, flags);
+
+ b43legacy_mac_suspend(dev);
+
+ if (changed & BSS_CHANGED_BEACON_INT &&
+ (b43legacy_is_mode(wl, NL80211_IFTYPE_AP) ||
+ b43legacy_is_mode(wl, NL80211_IFTYPE_ADHOC)))
+ b43legacy_set_beacon_int(dev, conf->beacon_int);
+
+ 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_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, dev->irq_mask);
+ /* XXX: why? */
+ mmiowb();
+ spin_unlock_irqrestore(&wl->irq_lock, flags);
+ out_unlock_mutex:
+ mutex_unlock(&wl->mutex);
+}
+
static void b43legacy_op_configure_filter(struct ieee80211_hw *hw,
unsigned int changed,
- unsigned int *fflags,
- int mc_count,
- struct dev_addr_list *mc_list)
+ unsigned int *fflags,u64 multicast)
{
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
struct b43legacy_wldev *dev = wl->current_dev;
spin_unlock_irqrestore(&wl->irq_lock, flags);
}
-static int b43legacy_op_config_interface(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_if_conf *conf)
-{
- struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
- struct b43legacy_wldev *dev = wl->current_dev;
- unsigned long flags;
-
- if (!dev)
- return -ENODEV;
- mutex_lock(&wl->mutex);
- spin_lock_irqsave(&wl->irq_lock, flags);
- B43legacy_WARN_ON(wl->vif != vif);
- if (conf->bssid)
- memcpy(wl->bssid, conf->bssid, ETH_ALEN);
- else
- memset(wl->bssid, 0, ETH_ALEN);
- if (b43legacy_status(dev) >= B43legacy_STAT_INITIALIZED) {
- if (b43legacy_is_mode(wl, IEEE80211_IF_TYPE_AP)) {
- B43legacy_WARN_ON(conf->type != IEEE80211_IF_TYPE_AP);
- b43legacy_set_ssid(dev, conf->ssid, conf->ssid_len);
- if (conf->beacon)
- b43legacy_update_templates(wl, conf->beacon);
- }
- b43legacy_write_mac_bssid_templates(dev);
- }
- spin_unlock_irqrestore(&wl->irq_lock, flags);
- mutex_unlock(&wl->mutex);
-
- return 0;
-}
-
/* Locking: wl->mutex */
static void b43legacy_wireless_core_stop(struct b43legacy_wldev *dev)
{
* setting the status to INITIALIZED, as the interrupt handler
* won't care about IRQs then. */
spin_lock_irqsave(&wl->irq_lock, flags);
- dev->irq_savedstate = b43legacy_interrupt_disable(dev,
- B43legacy_IRQ_ALL);
+ b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, 0);
b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_MASK); /* flush */
spin_unlock_irqrestore(&wl->irq_lock, flags);
b43legacy_synchronize_irq(dev);
/* Start data flow (TX/RX) */
b43legacy_mac_enable(dev);
- b43legacy_interrupt_enable(dev, dev->irq_savedstate);
- ieee80211_start_queues(dev->wl->hw);
+ b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK, dev->irq_mask);
/* Start maintenance work */
b43legacy_periodic_tasks_setup(dev);
/* IRQ related flags */
dev->irq_reason = 0;
memset(dev->dma_reason, 0, sizeof(dev->dma_reason));
- dev->irq_savedstate = B43legacy_IRQ_MASKTEMPLATE;
+ dev->irq_mask = B43legacy_IRQ_MASKTEMPLATE;
dev->mac_suspended = 1;
bus->pcicore.dev->id.revision <= 5) {
/* IMCFGLO timeouts workaround. */
tmp = ssb_read32(dev->dev, SSB_IMCFGLO);
- tmp &= ~SSB_IMCFGLO_REQTO;
- tmp &= ~SSB_IMCFGLO_SERTO;
switch (bus->bustype) {
case SSB_BUSTYPE_PCI:
case SSB_BUSTYPE_PCMCIA:
+ tmp &= ~SSB_IMCFGLO_REQTO;
+ tmp &= ~SSB_IMCFGLO_SERTO;
tmp |= 0x32;
break;
case SSB_BUSTYPE_SSB:
+ tmp &= ~SSB_IMCFGLO_REQTO;
+ tmp &= ~SSB_IMCFGLO_SERTO;
tmp |= 0x53;
break;
+ default:
+ break;
}
ssb_write32(dev->dev, SSB_IMCFGLO, tmp);
}
#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;
- if (b43legacy_is_mode(dev->wl, IEEE80211_IF_TYPE_IBSS) || idle)
+ if (b43legacy_is_mode(dev->wl, NL80211_IFTYPE_ADHOC) || idle)
pu_delay = 500;
if ((dev->phy.radio_ver == 0x2050) && (dev->phy.radio_rev == 8))
pu_delay = max(pu_delay, (u16)2400);
u16 pretbtt;
/* The time value is in microseconds. */
- if (b43legacy_is_mode(dev->wl, IEEE80211_IF_TYPE_IBSS))
+ if (b43legacy_is_mode(dev->wl, NL80211_IFTYPE_ADHOC))
pretbtt = 2;
else
pretbtt = 250;
/* Locking: wl->mutex */
static void b43legacy_wireless_core_exit(struct b43legacy_wldev *dev)
{
- struct b43legacy_wl *wl = dev->wl;
struct b43legacy_phy *phy = &dev->phy;
u32 macctl;
macctl |= B43legacy_MACCTL_PSM_JMP0;
b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl);
- mutex_unlock(&wl->mutex);
- /* Must unlock as it would otherwise deadlock. No races here.
- * Cancel possibly pending workqueues. */
- cancel_work_sync(&dev->restart_work);
- mutex_lock(&wl->mutex);
-
b43legacy_leds_exit(dev);
b43legacy_rng_exit(dev->wl);
b43legacy_pio_free(dev);
}
static int b43legacy_op_add_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf)
+ struct ieee80211_vif *vif)
{
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
struct b43legacy_wldev *dev;
/* TODO: allow WDS/AP devices to coexist */
- if (conf->type != IEEE80211_IF_TYPE_AP &&
- conf->type != IEEE80211_IF_TYPE_STA &&
- conf->type != IEEE80211_IF_TYPE_WDS &&
- conf->type != IEEE80211_IF_TYPE_IBSS)
+ if (vif->type != NL80211_IFTYPE_AP &&
+ vif->type != NL80211_IFTYPE_STATION &&
+ vif->type != NL80211_IFTYPE_WDS &&
+ vif->type != NL80211_IFTYPE_ADHOC)
return -EOPNOTSUPP;
mutex_lock(&wl->mutex);
if (wl->operating)
goto out_mutex_unlock;
- b43legacydbg(wl, "Adding Interface type %d\n", conf->type);
+ b43legacydbg(wl, "Adding Interface type %d\n", vif->type);
dev = wl->current_dev;
wl->operating = 1;
- wl->vif = conf->vif;
- wl->if_type = conf->type;
- memcpy(wl->mac_addr, conf->mac_addr, ETH_ALEN);
+ wl->vif = vif;
+ wl->if_type = vif->type;
+ memcpy(wl->mac_addr, vif->addr, ETH_ALEN);
spin_lock_irqsave(&wl->irq_lock, flags);
b43legacy_adjust_opmode(dev);
}
static void b43legacy_op_remove_interface(struct ieee80211_hw *hw,
- struct ieee80211_if_init_conf *conf)
+ struct ieee80211_vif *vif)
{
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
struct b43legacy_wldev *dev = wl->current_dev;
unsigned long flags;
- b43legacydbg(wl, "Removing Interface type %d\n", conf->type);
+ b43legacydbg(wl, "Removing Interface type %d\n", vif->type);
mutex_lock(&wl->mutex);
B43legacy_WARN_ON(!wl->operating);
- B43legacy_WARN_ON(wl->vif != conf->vif);
+ B43legacy_WARN_ON(wl->vif != vif);
wl->vif = NULL;
wl->operating = 0;
struct b43legacy_wldev *dev = wl->current_dev;
int did_init = 0;
int err = 0;
- bool do_rfkill_exit = 0;
-
- /* First register RFkill.
- * LEDs that are registered later depend on it. */
- b43legacy_rfkill_init(dev);
/* Kill all old instance specific information to make sure
* the card won't use it in the short timeframe between start
memset(wl->bssid, 0, ETH_ALEN);
memset(wl->mac_addr, 0, ETH_ALEN);
wl->filter_flags = 0;
+ wl->beacon0_uploaded = 0;
+ wl->beacon1_uploaded = 0;
+ wl->beacon_templates_virgin = 1;
+ wl->radio_enabled = 1;
mutex_lock(&wl->mutex);
if (b43legacy_status(dev) < B43legacy_STAT_INITIALIZED) {
err = b43legacy_wireless_core_init(dev);
- if (err) {
- do_rfkill_exit = 1;
+ if (err)
goto out_mutex_unlock;
- }
did_init = 1;
}
if (err) {
if (did_init)
b43legacy_wireless_core_exit(dev);
- do_rfkill_exit = 1;
goto out_mutex_unlock;
}
}
+ wiphy_rfkill_start_polling(hw->wiphy);
+
out_mutex_unlock:
mutex_unlock(&wl->mutex);
- if (do_rfkill_exit)
- b43legacy_rfkill_exit(dev);
-
return err;
}
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
struct b43legacy_wldev *dev = wl->current_dev;
- b43legacy_rfkill_exit(dev);
+ cancel_work_sync(&(wl->beacon_update_trigger));
mutex_lock(&wl->mutex);
if (b43legacy_status(dev) >= B43legacy_STAT_STARTED)
b43legacy_wireless_core_stop(dev);
b43legacy_wireless_core_exit(dev);
+ wl->radio_enabled = 0;
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,
- int aid, int set)
+ struct ieee80211_sta *sta, bool set)
{
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
- struct sk_buff *beacon;
unsigned long flags;
- /* We could modify the existing beacon and set the aid bit in the TIM
- * field, but that would probably require resizing and moving of data
- * within the beacon template. Simply request a new beacon and let
- * mac80211 do the hard work. */
- beacon = ieee80211_beacon_get(hw, wl->vif, NULL);
- if (unlikely(!beacon))
- return -ENOMEM;
spin_lock_irqsave(&wl->irq_lock, flags);
- b43legacy_update_templates(wl, beacon);
- spin_unlock_irqrestore(&wl->irq_lock, flags);
-
- return 0;
-}
-
-static int b43legacy_op_ibss_beacon_update(struct ieee80211_hw *hw,
- struct sk_buff *beacon,
- struct ieee80211_tx_control *ctl)
-{
- struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
- unsigned long flags;
-
- spin_lock_irqsave(&wl->irq_lock, flags);
- b43legacy_update_templates(wl, beacon);
+ b43legacy_update_templates(wl);
spin_unlock_irqrestore(&wl->irq_lock, flags);
return 0;
.add_interface = b43legacy_op_add_interface,
.remove_interface = b43legacy_op_remove_interface,
.config = b43legacy_op_dev_config,
- .config_interface = b43legacy_op_config_interface,
+ .bss_info_changed = b43legacy_op_bss_info_changed,
.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,
- .beacon_update = b43legacy_op_ibss_beacon_update,
+ .rfkill_poll = b43legacy_rfkill_poll,
};
/* Hard-reset the chip. Do not call this directly.
}
}
out:
+ if (err)
+ wl->current_dev = NULL; /* Failed to init the dev. */
mutex_unlock(&wl->mutex);
if (err)
b43legacyerr(wl, "Controller restart FAILED\n");
{
struct b43legacy_wl *wl = dev->wl;
struct ssb_bus *bus = dev->dev->bus;
- struct pci_dev *pdev = bus->host_pci;
+ struct pci_dev *pdev = (bus->bustype == SSB_BUSTYPE_PCI) ? bus->host_pci : NULL;
int err;
int have_bphy = 0;
int have_gphy = 0;
have_bphy = 1;
dev->phy.gmode = (have_gphy || have_bphy);
+ dev->phy.radio_on = 1;
tmp = dev->phy.gmode ? B43legacy_TMSLOW_GMODE : 0;
b43legacy_wireless_core_reset(dev, tmp);
struct b43legacy_wldev *wldev;
struct b43legacy_wl *wl;
+ /* Do not cancel ieee80211-workqueue based work here.
+ * See comment in b43legacy_remove(). */
+
wldev = ssb_get_drvdata(dev);
wl = wldev->wl;
- cancel_work_sync(&wldev->restart_work);
b43legacy_debugfs_remove_device(wldev);
b43legacy_wireless_core_detach(wldev);
list_del(&wldev->list);
if (!list_empty(&wl->devlist)) {
/* We are not the first core on this chip. */
- pdev = dev->bus->host_pci;
+ pdev = (dev->bus->bustype == SSB_BUSTYPE_PCI) ? dev->bus->host_pci : NULL;
/* Only special chips support more than one wireless
* core, although some of the other chips have more than
* one wireless core as well. Check for this and
}
/* fill hw info */
- hw->flags = IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE |
- IEEE80211_HW_RX_INCLUDES_FCS |
+ hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_NOISE_DBM;
+ hw->wiphy->interface_modes =
+ BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_WDS) |
+ BIT(NL80211_IFTYPE_ADHOC);
hw->queues = 1; /* FIXME: hardware has more queues */
+ hw->max_rates = 2;
SET_IEEE80211_DEV(hw, dev->dev);
if (is_valid_ether_addr(sprom->et1mac))
SET_IEEE80211_PERM_ADDR(hw, sprom->et1mac);
spin_lock_init(&wl->leds_lock);
mutex_init(&wl->mutex);
INIT_LIST_HEAD(&wl->devlist);
+ INIT_WORK(&wl->beacon_update_trigger, b43legacy_beacon_update_trigger_work);
ssb_set_devtypedata(dev, wl);
b43legacyinfo(wl, "Broadcom %04X WLAN found\n", dev->bus->chip_id);
struct b43legacy_wl *wl = ssb_get_devtypedata(dev);
struct b43legacy_wldev *wldev = ssb_get_drvdata(dev);
+ /* We must cancel any work here before unregistering from ieee80211,
+ * as the ieee80211 unreg will destroy the workqueue. */
+ cancel_work_sync(&wldev->restart_work);
+
B43legacy_WARN_ON(!wl);
if (wl->current_dev == wldev)
ieee80211_unregister_hw(wl->hw);
if (b43legacy_status(dev) < B43legacy_STAT_INITIALIZED)
return;
b43legacyinfo(dev->wl, "Controller RESET (%s) ...\n", reason);
- queue_work(dev->wl->hw->workqueue, &dev->restart_work);
+ ieee80211_queue_work(dev->wl->hw, &dev->restart_work);
}
#ifdef CONFIG_PM
goto out;
}
}
- mutex_unlock(&wl->mutex);
b43legacydbg(wl, "Device resumed.\n");
out:
+ mutex_unlock(&wl->mutex);
return err;
}
Code Review / linux-2.6.git / blobdiff