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_savedstate &= ~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_savedstate |= 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 */
+ dev->irq_savedstate = b43legacy_read32(dev, B43legacy_MMIO_GEN_IRQ_MASK);
+ handle_irq_beacon(dev);
+ /* The handler might have updated the IRQ mask. */
+ b43legacy_write32(dev, B43legacy_MMIO_GEN_IRQ_MASK,
+ dev->irq_savedstate);
+ 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)
wl->current_beacon = beacon;
wl->beacon0_uploaded = 0;
wl->beacon1_uploaded = 0;
+ queue_work(wl->hw->workqueue, &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, NL80211_IFTYPE_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)
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;
}
/* Antennas for RX and management frame TX. */
b43legacy_mgmtframe_txantenna(dev, antenna_tx);
- /* Update templates for AP mode. */
- if (b43legacy_is_mode(wl, NL80211_IFTYPE_AP))
- b43legacy_set_beacon_int(dev, conf->beacon_int);
-
-
if (!!conf->radio_enabled != phy->radio_on) {
if (conf->radio_enabled) {
b43legacy_radio_turn_on(dev);
return err;
}
-static void b43legacy_update_basic_rates(struct b43legacy_wldev *dev, u64 brates)
+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];
u32 savedirqs;
mutex_lock(&wl->mutex);
+ B43legacy_WARN_ON(wl->vif != vif);
dev = wl->current_dev;
phy = &dev->phy;
goto out_unlock_mutex;
}
savedirqs = b43legacy_interrupt_disable(dev, B43legacy_IRQ_ALL);
- spin_unlock_irqrestore(&wl->irq_lock, flags);
- b43legacy_synchronize_irq(dev);
+
+ if (changed & BSS_CHANGED_BSSID) {
+ spin_unlock_irqrestore(&wl->irq_lock, flags);
+ 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 (b43legacy_is_mode(wl, NL80211_IFTYPE_AP)) {
+ B43legacy_WARN_ON(vif->type != NL80211_IFTYPE_AP);
+ if (changed & BSS_CHANGED_BEACON)
+ b43legacy_update_templates(wl);
+ } else if (b43legacy_is_mode(wl, NL80211_IFTYPE_ADHOC)) {
+ if (changed & BSS_CHANGED_BEACON)
+ b43legacy_update_templates(wl);
+ }
+ 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);
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,
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, NL80211_IFTYPE_AP)) {
- B43legacy_WARN_ON(vif->type != NL80211_IFTYPE_AP);
- if (conf->changed & IEEE80211_IFCC_BEACON)
- b43legacy_update_templates(wl);
- } else if (b43legacy_is_mode(wl, NL80211_IFTYPE_ADHOC)) {
- if (conf->changed & IEEE80211_IFCC_BEACON)
- b43legacy_update_templates(wl);
- }
- 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)
{
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;
mutex_lock(&wl->mutex);
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)
.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,
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);
git.openpandora.org / pandora-kernel.git / blobdiff