/*
* Configuration handlers.
*/
-static void rt2400pci_config_mac_addr(struct rt2x00_dev *rt2x00dev,
- __le32 *mac)
+static void rt2400pci_config_intf(struct rt2x00_dev *rt2x00dev,
+ struct rt2x00_intf *intf,
+ struct rt2x00intf_conf *conf,
+ const unsigned int flags)
{
- rt2x00pci_register_multiwrite(rt2x00dev, CSR3, mac,
- (2 * sizeof(__le32)));
-}
+ unsigned int bcn_preload;
+ u32 reg;
-static void rt2400pci_config_bssid(struct rt2x00_dev *rt2x00dev,
- __le32 *bssid)
-{
- rt2x00pci_register_multiwrite(rt2x00dev, CSR5, bssid,
- (2 * sizeof(__le32)));
-}
+ if (flags & CONFIG_UPDATE_TYPE) {
+ rt2x00pci_register_write(rt2x00dev, CSR14, 0);
-static void rt2400pci_config_type(struct rt2x00_dev *rt2x00dev, const int type,
- const int tsf_sync)
-{
- u32 reg;
+ /*
+ * Enable beacon config
+ */
+ bcn_preload = PREAMBLE + get_duration(IEEE80211_HEADER, 20);
+ rt2x00pci_register_read(rt2x00dev, BCNCSR1, ®);
+ rt2x00_set_field32(®, BCNCSR1_PRELOAD, bcn_preload);
+ rt2x00pci_register_write(rt2x00dev, BCNCSR1, reg);
- rt2x00pci_register_write(rt2x00dev, CSR14, 0);
+ /*
+ * Enable synchronisation.
+ */
+ rt2x00pci_register_read(rt2x00dev, CSR14, ®);
+ rt2x00_set_field32(®, CSR14_TSF_COUNT, 1);
+ rt2x00_set_field32(®, CSR14_TBCN,
+ (conf->sync == TSF_SYNC_BEACON));
+ rt2x00_set_field32(®, CSR14_BEACON_GEN, 0);
+ rt2x00_set_field32(®, CSR14_TSF_SYNC, conf->sync);
+ rt2x00pci_register_write(rt2x00dev, CSR14, reg);
+ }
- /*
- * Enable beacon config
- */
- rt2x00pci_register_read(rt2x00dev, BCNCSR1, ®);
- rt2x00_set_field32(®, BCNCSR1_PRELOAD,
- PREAMBLE + get_duration(IEEE80211_HEADER, 20));
- rt2x00pci_register_write(rt2x00dev, BCNCSR1, reg);
+ if (flags & CONFIG_UPDATE_MAC)
+ rt2x00pci_register_multiwrite(rt2x00dev, CSR3,
+ conf->mac, sizeof(conf->mac));
- /*
- * Enable synchronisation.
- */
- rt2x00pci_register_read(rt2x00dev, CSR14, ®);
- rt2x00_set_field32(®, CSR14_TSF_COUNT, 1);
- rt2x00_set_field32(®, CSR14_TBCN, (tsf_sync == TSF_SYNC_BEACON));
- rt2x00_set_field32(®, CSR14_BEACON_GEN, 0);
- rt2x00_set_field32(®, CSR14_TSF_SYNC, tsf_sync);
- rt2x00pci_register_write(rt2x00dev, CSR14, reg);
+ if (flags & CONFIG_UPDATE_BSSID)
+ rt2x00pci_register_multiwrite(rt2x00dev, CSR5,
+ conf->bssid, sizeof(conf->bssid));
}
-static void rt2400pci_config_preamble(struct rt2x00_dev *rt2x00dev,
- const int short_preamble,
- const int ack_timeout,
- const int ack_consume_time)
+static int rt2400pci_config_preamble(struct rt2x00_dev *rt2x00dev,
+ const int short_preamble,
+ const int ack_timeout,
+ const int ack_consume_time)
{
int preamble_mask;
u32 reg;
rt2x00_set_field32(®, ARCSR5_SERVICE, 0x84);
rt2x00_set_field32(®, ARCSR2_LENGTH, get_duration(ACK_SIZE, 110));
rt2x00pci_register_write(rt2x00dev, ARCSR5, reg);
+
+ return 0;
}
static void rt2400pci_config_phymode(struct rt2x00_dev *rt2x00dev,
}
static void rt2400pci_config(struct rt2x00_dev *rt2x00dev,
- const unsigned int flags,
- struct rt2x00lib_conf *libconf)
+ struct rt2x00lib_conf *libconf,
+ const unsigned int flags)
{
if (flags & CONFIG_UPDATE_PHYMODE)
rt2400pci_config_phymode(rt2x00dev, libconf->basic_rates);
.write_tx_data = rt2x00pci_write_tx_data,
.kick_tx_queue = rt2400pci_kick_tx_queue,
.fill_rxdone = rt2400pci_fill_rxdone,
- .config_mac_addr = rt2400pci_config_mac_addr,
- .config_bssid = rt2400pci_config_bssid,
- .config_type = rt2400pci_config_type,
+ .config_intf = rt2400pci_config_intf,
.config_preamble = rt2400pci_config_preamble,
.config = rt2400pci_config,
};
static const struct rt2x00_ops rt2400pci_ops = {
.name = KBUILD_MODNAME,
+ .max_sta_intf = 1,
+ .max_ap_intf = 1,
.eeprom_size = EEPROM_SIZE,
.rf_size = RF_SIZE,
.rx = &rt2400pci_queue_rx,
/*
* Configuration handlers.
*/
-static void rt2500pci_config_mac_addr(struct rt2x00_dev *rt2x00dev,
- __le32 *mac)
-{
- rt2x00pci_register_multiwrite(rt2x00dev, CSR3, mac,
- (2 * sizeof(__le32)));
-}
-
-static void rt2500pci_config_bssid(struct rt2x00_dev *rt2x00dev,
- __le32 *bssid)
-{
- rt2x00pci_register_multiwrite(rt2x00dev, CSR5, bssid,
- (2 * sizeof(__le32)));
-}
-
-static void rt2500pci_config_type(struct rt2x00_dev *rt2x00dev, const int type,
- const int tsf_sync)
+static void rt2500pci_config_intf(struct rt2x00_dev *rt2x00dev,
+ struct rt2x00_intf *intf,
+ struct rt2x00intf_conf *conf,
+ const unsigned int flags)
{
struct data_queue *queue =
rt2x00queue_get_queue(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
+ unsigned int bcn_preload;
u32 reg;
- rt2x00pci_register_write(rt2x00dev, CSR14, 0);
+ if (flags & CONFIG_UPDATE_TYPE) {
+ rt2x00pci_register_write(rt2x00dev, CSR14, 0);
- /*
- * Enable beacon config
- */
- rt2x00pci_register_read(rt2x00dev, BCNCSR1, ®);
- rt2x00_set_field32(®, BCNCSR1_PRELOAD,
- PREAMBLE + get_duration(IEEE80211_HEADER, 20));
- rt2x00_set_field32(®, BCNCSR1_BEACON_CWMIN, queue->cw_min);
- rt2x00pci_register_write(rt2x00dev, BCNCSR1, reg);
+ /*
+ * Enable beacon config
+ */
+ bcn_preload = PREAMBLE + get_duration(IEEE80211_HEADER, 20);
+ rt2x00pci_register_read(rt2x00dev, BCNCSR1, ®);
+ rt2x00_set_field32(®, BCNCSR1_PRELOAD, bcn_preload);
+ rt2x00_set_field32(®, BCNCSR1_BEACON_CWMIN, queue->cw_min);
+ rt2x00pci_register_write(rt2x00dev, BCNCSR1, reg);
- /*
- * Enable synchronisation.
- */
- rt2x00pci_register_read(rt2x00dev, CSR14, ®);
- rt2x00_set_field32(®, CSR14_TSF_COUNT, 1);
- rt2x00_set_field32(®, CSR14_TBCN, (tsf_sync == TSF_SYNC_BEACON));
- rt2x00_set_field32(®, CSR14_BEACON_GEN, 0);
- rt2x00_set_field32(®, CSR14_TSF_SYNC, tsf_sync);
- rt2x00pci_register_write(rt2x00dev, CSR14, reg);
+ /*
+ * Enable synchronisation.
+ */
+ rt2x00pci_register_read(rt2x00dev, CSR14, ®);
+ rt2x00_set_field32(®, CSR14_TSF_COUNT, 1);
+ rt2x00_set_field32(®, CSR14_TBCN,
+ (conf->sync == TSF_SYNC_BEACON));
+ rt2x00_set_field32(®, CSR14_BEACON_GEN, 0);
+ rt2x00_set_field32(®, CSR14_TSF_SYNC, conf->sync);
+ rt2x00pci_register_write(rt2x00dev, CSR14, reg);
+ }
+
+ if (flags & CONFIG_UPDATE_MAC)
+ rt2x00pci_register_multiwrite(rt2x00dev, CSR3,
+ conf->mac, sizeof(conf->mac));
+
+ if (flags & CONFIG_UPDATE_BSSID)
+ rt2x00pci_register_multiwrite(rt2x00dev, CSR5,
+ conf->bssid, sizeof(conf->bssid));
}
-static void rt2500pci_config_preamble(struct rt2x00_dev *rt2x00dev,
- const int short_preamble,
- const int ack_timeout,
- const int ack_consume_time)
+static int rt2500pci_config_preamble(struct rt2x00_dev *rt2x00dev,
+ const int short_preamble,
+ const int ack_timeout,
+ const int ack_consume_time)
{
int preamble_mask;
u32 reg;
rt2x00_set_field32(®, ARCSR5_SERVICE, 0x84);
rt2x00_set_field32(®, ARCSR2_LENGTH, get_duration(ACK_SIZE, 110));
rt2x00pci_register_write(rt2x00dev, ARCSR5, reg);
+
+ return 0;
}
static void rt2500pci_config_phymode(struct rt2x00_dev *rt2x00dev,
}
static void rt2500pci_config(struct rt2x00_dev *rt2x00dev,
- const unsigned int flags,
- struct rt2x00lib_conf *libconf)
+ struct rt2x00lib_conf *libconf,
+ const unsigned int flags)
{
if (flags & CONFIG_UPDATE_PHYMODE)
rt2500pci_config_phymode(rt2x00dev, libconf->basic_rates);
/*
* To prevent collisions with MAC ASIC on chipsets
* up to version C the link tuning should halt after 20
- * seconds.
+ * seconds while being associated.
*/
if (rt2x00_rev(&rt2x00dev->chip) < RT2560_VERSION_D &&
+ rt2x00dev->intf_associated &&
rt2x00dev->link.count > 20)
return;
/*
* Chipset versions C and lower should directly continue
- * to the dynamic CCA tuning.
+ * to the dynamic CCA tuning. Chipset version D and higher
+ * should go straight to dynamic CCA tuning when they
+ * are not associated.
*/
- if (rt2x00_rev(&rt2x00dev->chip) < RT2560_VERSION_D)
+ if (rt2x00_rev(&rt2x00dev->chip) < RT2560_VERSION_D ||
+ !rt2x00dev->intf_associated)
goto dynamic_cca_tune;
/*
.write_tx_data = rt2x00pci_write_tx_data,
.kick_tx_queue = rt2500pci_kick_tx_queue,
.fill_rxdone = rt2500pci_fill_rxdone,
- .config_mac_addr = rt2500pci_config_mac_addr,
- .config_bssid = rt2500pci_config_bssid,
- .config_type = rt2500pci_config_type,
+ .config_intf = rt2500pci_config_intf,
.config_preamble = rt2500pci_config_preamble,
.config = rt2500pci_config,
};
static const struct rt2x00_ops rt2500pci_ops = {
.name = KBUILD_MODNAME,
+ .max_sta_intf = 1,
+ .max_ap_intf = 1,
.eeprom_size = EEPROM_SIZE,
.rf_size = RF_SIZE,
.rx = &rt2500pci_queue_rx,
/*
* Configuration handlers.
*/
-static void rt2500usb_config_mac_addr(struct rt2x00_dev *rt2x00dev,
- __le32 *mac)
-{
- rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, mac,
- (3 * sizeof(__le16)));
-}
-
-static void rt2500usb_config_bssid(struct rt2x00_dev *rt2x00dev,
- __le32 *bssid)
-{
- rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR5, bssid,
- (3 * sizeof(__le16)));
-}
-
-static void rt2500usb_config_type(struct rt2x00_dev *rt2x00dev, const int type,
- const int tsf_sync)
+static void rt2500usb_config_intf(struct rt2x00_dev *rt2x00dev,
+ struct rt2x00_intf *intf,
+ struct rt2x00intf_conf *conf,
+ const unsigned int flags)
{
+ unsigned int bcn_preload;
u16 reg;
- rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
+ if (flags & CONFIG_UPDATE_TYPE) {
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
- /*
- * Enable beacon config
- */
- rt2500usb_register_read(rt2x00dev, TXRX_CSR20, ®);
- rt2x00_set_field16(®, TXRX_CSR20_OFFSET,
- (PREAMBLE + get_duration(IEEE80211_HEADER, 20)) >> 6);
- if (type == IEEE80211_IF_TYPE_STA)
- rt2x00_set_field16(®, TXRX_CSR20_BCN_EXPECT_WINDOW, 0);
- else
- rt2x00_set_field16(®, TXRX_CSR20_BCN_EXPECT_WINDOW, 2);
- rt2500usb_register_write(rt2x00dev, TXRX_CSR20, reg);
+ /*
+ * Enable beacon config
+ */
+ bcn_preload = PREAMBLE + get_duration(IEEE80211_HEADER, 20);
+ rt2500usb_register_read(rt2x00dev, TXRX_CSR20, ®);
+ rt2x00_set_field16(®, TXRX_CSR20_OFFSET, bcn_preload >> 6);
+ rt2x00_set_field16(®, TXRX_CSR20_BCN_EXPECT_WINDOW,
+ 2 * (conf->type != IEEE80211_IF_TYPE_STA));
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR20, reg);
- /*
- * Enable synchronisation.
- */
- rt2500usb_register_read(rt2x00dev, TXRX_CSR18, ®);
- rt2x00_set_field16(®, TXRX_CSR18_OFFSET, 0);
- rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
+ /*
+ * Enable synchronisation.
+ */
+ rt2500usb_register_read(rt2x00dev, TXRX_CSR18, ®);
+ rt2x00_set_field16(®, TXRX_CSR18_OFFSET, 0);
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
+
+ rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®);
+ rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 1);
+ rt2x00_set_field16(®, TXRX_CSR19_TBCN,
+ (conf->sync == TSF_SYNC_BEACON));
+ rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 0);
+ rt2x00_set_field16(®, TXRX_CSR19_TSF_SYNC, conf->sync);
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
+ }
- rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®);
- rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 1);
- rt2x00_set_field16(®, TXRX_CSR19_TBCN,
- (tsf_sync == TSF_SYNC_BEACON));
- rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 0);
- rt2x00_set_field16(®, TXRX_CSR19_TSF_SYNC, tsf_sync);
- rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
+ if (flags & CONFIG_UPDATE_MAC)
+ rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, conf->mac,
+ (3 * sizeof(__le16)));
+
+ if (flags & CONFIG_UPDATE_BSSID)
+ rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR5, conf->bssid,
+ (3 * sizeof(__le16)));
}
-static void rt2500usb_config_preamble(struct rt2x00_dev *rt2x00dev,
- const int short_preamble,
- const int ack_timeout,
- const int ack_consume_time)
+static int rt2500usb_config_preamble(struct rt2x00_dev *rt2x00dev,
+ const int short_preamble,
+ const int ack_timeout,
+ const int ack_consume_time)
{
u16 reg;
/*
- * When in atomic context, reschedule and let rt2x00lib
- * call this function again.
+ * When in atomic context, we should let rt2x00lib
+ * try this configuration again later.
*/
- if (in_atomic()) {
- queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->config_work);
- return;
- }
+ if (in_atomic())
+ return -EAGAIN;
rt2500usb_register_read(rt2x00dev, TXRX_CSR1, ®);
rt2x00_set_field16(®, TXRX_CSR1_ACK_TIMEOUT, ack_timeout);
rt2x00_set_field16(®, TXRX_CSR10_AUTORESPOND_PREAMBLE,
!!short_preamble);
rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg);
+
+ return 0;
}
static void rt2500usb_config_phymode(struct rt2x00_dev *rt2x00dev,
}
static void rt2500usb_config(struct rt2x00_dev *rt2x00dev,
- const unsigned int flags,
- struct rt2x00lib_conf *libconf)
+ struct rt2x00lib_conf *libconf,
+ const unsigned int flags)
{
if (flags & CONFIG_UPDATE_PHYMODE)
rt2500usb_config_phymode(rt2x00dev, libconf->phymode,
u8 low_bound;
/*
+ * Read current r17 value, as well as the sensitivity values
+ * for the r17 register.
+ */
+ rt2500usb_bbp_read(rt2x00dev, 17, &r17);
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &r17_sens);
+
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &vgc_bound);
+ up_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCUPPER);
+ low_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCLOWER);
+
+ /*
+ * If we are not associated, we should go straight to the
+ * dynamic CCA tuning.
+ */
+ if (!rt2x00dev->intf_associated)
+ goto dynamic_cca_tune;
+
+ /*
* Determine the BBP tuning threshold and correctly
* set BBP 24, 25 and 61.
*/
rt2500usb_bbp_write(rt2x00dev, 61, r61);
/*
- * Read current r17 value, as well as the sensitivity values
- * for the r17 register.
- */
- rt2500usb_bbp_read(rt2x00dev, 17, &r17);
- rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &r17_sens);
-
- /*
* A too low RSSI will cause too much false CCA which will
* then corrupt the R17 tuning. To remidy this the tuning should
* be stopped (While making sure the R17 value will not exceed limits)
* Leave short or middle distance condition, restore r17
* to the dynamic tuning range.
*/
- rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &vgc_bound);
- vgc_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCUPPER);
-
low_bound = 0x32;
- if (rssi >= -77)
- up_bound = vgc_bound;
- else
- up_bound = vgc_bound - (-77 - rssi);
+ if (rssi < -77)
+ up_bound -= (-77 - rssi);
if (up_bound < low_bound)
up_bound = low_bound;
if (r17 > up_bound) {
rt2500usb_bbp_write(rt2x00dev, 17, up_bound);
rt2x00dev->link.vgc_level = up_bound;
- } else if (rt2x00dev->link.qual.false_cca > 512 && r17 < up_bound) {
+ return;
+ }
+
+dynamic_cca_tune:
+
+ /*
+ * R17 is inside the dynamic tuning range,
+ * start tuning the link based on the false cca counter.
+ */
+ if (rt2x00dev->link.qual.false_cca > 512 && r17 < up_bound) {
rt2500usb_bbp_write(rt2x00dev, 17, ++r17);
rt2x00dev->link.vgc_level = r17;
} else if (rt2x00dev->link.qual.false_cca < 100 && r17 > low_bound) {
{
u16 word;
u8 *mac;
+ u8 bbp;
rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
EEPROM(rt2x00dev, "BBPtune: 0x%04x\n", word);
}
+ /*
+ * Switch lower vgc bound to current BBP R17 value,
+ * lower the value a bit for better quality.
+ */
+ rt2500usb_bbp_read(rt2x00dev, 17, &bbp);
+ bbp -= 6;
+
rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &word);
if (word == 0xffff) {
rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCUPPER, 0x40);
+ rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
EEPROM(rt2x00dev, "BBPtune vgc: 0x%04x\n", word);
}
rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_HIGH, 0x41);
rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R17, word);
EEPROM(rt2x00dev, "BBPtune r17: 0x%04x\n", word);
+ } else {
+ rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
+ rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
}
rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &word);
{
struct rt2x00_dev *rt2x00dev = hw->priv;
struct usb_device *usb_dev = rt2x00dev_usb_dev(rt2x00dev);
+ struct rt2x00_intf *intf = vif_to_intf(control->vif);
struct queue_entry_priv_usb_bcn *priv_bcn;
struct skb_frame_desc *skbdesc;
- struct data_queue *queue;
- struct queue_entry *entry;
int pipe = usb_sndbulkpipe(usb_dev, 1);
int length;
- /*
- * Just in case the ieee80211 doesn't set this,
- * but we need this queue set for the descriptor
- * initialization.
- */
- control->queue = IEEE80211_TX_QUEUE_BEACON;
- queue = rt2x00queue_get_queue(rt2x00dev, control->queue);
- entry = rt2x00queue_get_entry(queue, Q_INDEX);
- priv_bcn = entry->priv_data;
+ if (unlikely(!intf->beacon))
+ return -ENOBUFS;
+
+ priv_bcn = intf->beacon->priv_data;
/*
* Add the descriptor in front of the skb.
*/
- skb_push(skb, queue->desc_size);
- memset(skb->data, 0, queue->desc_size);
+ skb_push(skb, intf->beacon->queue->desc_size);
+ memset(skb->data, 0, intf->beacon->queue->desc_size);
/*
* Fill in skb descriptor
*/
skbdesc = get_skb_frame_desc(skb);
memset(skbdesc, 0, sizeof(*skbdesc));
- skbdesc->data = skb->data + queue->desc_size;
- skbdesc->data_len = queue->data_size;
+ skbdesc->data = skb->data + intf->beacon->queue->desc_size;
+ skbdesc->data_len = skb->len - intf->beacon->queue->desc_size;
skbdesc->desc = skb->data;
- skbdesc->desc_len = queue->desc_size;
- skbdesc->entry = entry;
+ skbdesc->desc_len = intf->beacon->queue->desc_size;
+ skbdesc->entry = intf->beacon;
+ /*
+ * Just in case mac80211 doesn't set this correctly,
+ * but we need this queue set for the descriptor
+ * initialization.
+ */
+ control->queue = IEEE80211_TX_QUEUE_BEACON;
rt2x00lib_write_tx_desc(rt2x00dev, skb, control);
/*
length = rt2500usb_get_tx_data_len(rt2x00dev, skb);
usb_fill_bulk_urb(priv_bcn->urb, usb_dev, pipe,
- skb->data, length, rt2500usb_beacondone, entry);
+ skb->data, length, rt2500usb_beacondone,
+ intf->beacon);
/*
* Second we need to create the guardian byte.
priv_bcn->guardian_data = 0;
usb_fill_bulk_urb(priv_bcn->guardian_urb, usb_dev, pipe,
&priv_bcn->guardian_data, 1, rt2500usb_beacondone,
- entry);
+ intf->beacon);
/*
* Send out the guardian byte.
/*
* Enable beacon generation.
*/
- rt2500usb_kick_tx_queue(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
+ rt2500usb_kick_tx_queue(rt2x00dev, control->queue);
return 0;
}
.get_tx_data_len = rt2500usb_get_tx_data_len,
.kick_tx_queue = rt2500usb_kick_tx_queue,
.fill_rxdone = rt2500usb_fill_rxdone,
- .config_mac_addr = rt2500usb_config_mac_addr,
- .config_bssid = rt2500usb_config_bssid,
- .config_type = rt2500usb_config_type,
+ .config_intf = rt2500usb_config_intf,
.config_preamble = rt2500usb_config_preamble,
.config = rt2500usb_config,
};
static const struct rt2x00_ops rt2500usb_ops = {
.name = KBUILD_MODNAME,
+ .max_sta_intf = 1,
+ .max_ap_intf = 1,
.eeprom_size = EEPROM_SIZE,
.rf_size = RF_SIZE,
.rx = &rt2500usb_queue_rx,
*/
#define EEPROM_BBPTUNE_VGC 0x0034
#define EEPROM_BBPTUNE_VGCUPPER FIELD16(0x00ff)
+#define EEPROM_BBPTUNE_VGCLOWER FIELD16(0xff00)
/*
* EEPROM BBP R17 Tuning.
/*
* Interface structure
- * Configuration details about the current interface.
+ * Per interface configuration details, this structure
+ * is allocated as the private data for ieee80211_vif.
*/
-struct interface {
+struct rt2x00_intf {
/*
- * Interface identification. The value is assigned
- * to us by the 80211 stack, and is used to request
- * new beacons.
+ * All fields within the rt2x00_intf structure
+ * must be protected with a spinlock.
*/
- struct ieee80211_vif *id;
+ spinlock_t lock;
/*
- * Current working type (IEEE80211_IF_TYPE_*).
+ * BSS configuration. Copied from the structure
+ * passed to us through the bss_info_changed()
+ * callback funtion.
*/
- int type;
+ struct ieee80211_bss_conf conf;
/*
* MAC of the device.
* BBSID of the AP to associate with.
*/
u8 bssid[ETH_ALEN];
-};
-static inline int is_interface_present(struct interface *intf)
-{
- return !!intf->id;
-}
+ /*
+ * Entry in the beacon queue which belongs to
+ * this interface. Each interface has its own
+ * dedicated beacon entry.
+ */
+ struct queue_entry *beacon;
-static inline int is_interface_type(struct interface *intf, int type)
+ /*
+ * Actions that needed rescheduling.
+ */
+ unsigned int delayed_flags;
+#define DELAYED_UPDATE_BEACON 0x00000001
+#define DELAYED_CONFIG_PREAMBLE 0x00000002
+};
+
+static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif)
{
- return intf->type == type;
+ return (struct rt2x00_intf *)vif->drv_priv;
}
/*
};
/*
+ * Configuration structure wrapper around the
+ * rt2x00 interface configuration handler.
+ */
+struct rt2x00intf_conf {
+ /*
+ * Interface type
+ */
+ enum ieee80211_if_types type;
+
+ /*
+ * TSF sync value, this is dependant on the operation type.
+ */
+ enum tsf_sync sync;
+
+ /*
+ * The MAC and BSSID addressess are simple array of bytes,
+ * these arrays are little endian, so when sending the addressess
+ * to the drivers, copy the it into a endian-signed variable.
+ *
+ * Note that all devices (except rt2500usb) have 32 bits
+ * register word sizes. This means that whatever variable we
+ * pass _must_ be a multiple of 32 bits. Otherwise the device
+ * might not accept what we are sending to it.
+ * This will also make it easier for the driver to write
+ * the data to the device.
+ */
+ __le32 mac[2];
+ __le32 bssid[2];
+};
+
+/*
* rt2x00lib callback functions.
*/
struct rt2x00lib_ops {
/*
* Configuration handlers.
*/
- void (*config_mac_addr) (struct rt2x00_dev *rt2x00dev, __le32 *mac);
- void (*config_bssid) (struct rt2x00_dev *rt2x00dev, __le32 *bssid);
- void (*config_type) (struct rt2x00_dev *rt2x00dev, const int type,
- const int tsf_sync);
- void (*config_preamble) (struct rt2x00_dev *rt2x00dev,
- const int short_preamble,
- const int ack_timeout,
- const int ack_consume_time);
- void (*config) (struct rt2x00_dev *rt2x00dev, const unsigned int flags,
- struct rt2x00lib_conf *libconf);
+ void (*config_intf) (struct rt2x00_dev *rt2x00dev,
+ struct rt2x00_intf *intf,
+ struct rt2x00intf_conf *conf,
+ const unsigned int flags);
+#define CONFIG_UPDATE_TYPE ( 1 << 1 )
+#define CONFIG_UPDATE_MAC ( 1 << 2 )
+#define CONFIG_UPDATE_BSSID ( 1 << 3 )
+
+ int (*config_preamble) (struct rt2x00_dev *rt2x00dev,
+ const int short_preamble,
+ const int ack_timeout,
+ const int ack_consume_time);
+ void (*config) (struct rt2x00_dev *rt2x00dev,
+ struct rt2x00lib_conf *libconf,
+ const unsigned int flags);
#define CONFIG_UPDATE_PHYMODE ( 1 << 1 )
#define CONFIG_UPDATE_CHANNEL ( 1 << 2 )
#define CONFIG_UPDATE_TXPOWER ( 1 << 3 )
*/
struct rt2x00_ops {
const char *name;
+ const unsigned int max_sta_intf;
+ const unsigned int max_ap_intf;
const unsigned int eeprom_size;
const unsigned int rf_size;
const struct data_queue_desc *rx;
/*
* Driver features
*/
+ DRIVER_SUPPORT_MIXED_INTERFACES,
DRIVER_REQUIRE_FIRMWARE,
DRIVER_REQUIRE_FIRMWARE_CRC_ITU_T,
DRIVER_REQUIRE_FIRMWARE_CCITT,
CONFIG_EXTERNAL_LNA_BG,
CONFIG_DOUBLE_ANTENNA,
CONFIG_DISABLE_LINK_TUNING,
- CONFIG_SHORT_PREAMBLE,
};
/*
unsigned int packet_filter;
/*
- * Interface configuration.
+ * Interface details:
+ * - Open ap interface count.
+ * - Open sta interface count.
+ * - Association count.
*/
- struct interface interface;
+ unsigned int intf_ap_count;
+ unsigned int intf_sta_count;
+ unsigned int intf_associated;
/*
* Link quality
/*
* Scheduled work.
*/
- struct work_struct beacon_work;
+ struct work_struct intf_work;
struct work_struct filter_work;
- struct work_struct config_work;
/*
* Data queue arrays for RX, TX and Beacon.
#include "rt2x00.h"
#include "rt2x00lib.h"
-
-/*
- * The MAC and BSSID addressess are simple array of bytes,
- * these arrays are little endian, so when sending the addressess
- * to the drivers, copy the it into a endian-signed variable.
- *
- * Note that all devices (except rt2500usb) have 32 bits
- * register word sizes. This means that whatever variable we
- * pass _must_ be a multiple of 32 bits. Otherwise the device
- * might not accept what we are sending to it.
- * This will also make it easier for the driver to write
- * the data to the device.
- *
- * Also note that when NULL is passed as address the
- * we will send 00:00:00:00:00 to the device to clear the address.
- * This will prevent the device being confused when it wants
- * to ACK frames or consideres itself associated.
- */
-void rt2x00lib_config_mac_addr(struct rt2x00_dev *rt2x00dev, u8 *mac)
+void rt2x00lib_config_intf(struct rt2x00_dev *rt2x00dev,
+ struct rt2x00_intf *intf,
+ enum ieee80211_if_types type,
+ u8 *mac, u8 *bssid)
{
- __le32 reg[2];
-
- memset(®, 0, sizeof(reg));
- if (mac)
- memcpy(®, mac, ETH_ALEN);
-
- rt2x00dev->ops->lib->config_mac_addr(rt2x00dev, ®[0]);
-}
+ struct rt2x00intf_conf conf;
+ unsigned int flags = 0;
-void rt2x00lib_config_bssid(struct rt2x00_dev *rt2x00dev, u8 *bssid)
-{
- __le32 reg[2];
-
- memset(®, 0, sizeof(reg));
- if (bssid)
- memcpy(®, bssid, ETH_ALEN);
-
- rt2x00dev->ops->lib->config_bssid(rt2x00dev, ®[0]);
-}
-
-void rt2x00lib_config_type(struct rt2x00_dev *rt2x00dev, const int type)
-{
- int tsf_sync;
+ conf.type = type;
switch (type) {
case IEEE80211_IF_TYPE_IBSS:
case IEEE80211_IF_TYPE_AP:
- tsf_sync = TSF_SYNC_BEACON;
+ conf.sync = TSF_SYNC_BEACON;
break;
case IEEE80211_IF_TYPE_STA:
- tsf_sync = TSF_SYNC_INFRA;
+ conf.sync = TSF_SYNC_INFRA;
break;
default:
- tsf_sync = TSF_SYNC_NONE;
+ conf.sync = TSF_SYNC_NONE;
break;
}
- rt2x00dev->ops->lib->config_type(rt2x00dev, type, tsf_sync);
+ /*
+ * Note that when NULL is passed as address we will send
+ * 00:00:00:00:00 to the device to clear the address.
+ * This will prevent the device being confused when it wants
+ * to ACK frames or consideres itself associated.
+ */
+ memset(&conf.mac, 0, sizeof(conf.mac));
+ if (mac)
+ memcpy(&conf.mac, mac, ETH_ALEN);
+
+ memset(&conf.bssid, 0, sizeof(conf.bssid));
+ if (bssid)
+ memcpy(&conf.bssid, bssid, ETH_ALEN);
+
+ flags |= CONFIG_UPDATE_TYPE;
+ if (mac || (!rt2x00dev->intf_ap_count && !rt2x00dev->intf_sta_count))
+ flags |= CONFIG_UPDATE_MAC;
+ if (bssid || (!rt2x00dev->intf_ap_count && !rt2x00dev->intf_sta_count))
+ flags |= CONFIG_UPDATE_BSSID;
+
+ rt2x00dev->ops->lib->config_intf(rt2x00dev, intf, &conf, flags);
+}
+
+void rt2x00lib_config_preamble(struct rt2x00_dev *rt2x00dev,
+ struct rt2x00_intf *intf,
+ const unsigned int short_preamble)
+{
+ int retval;
+ int ack_timeout;
+ int ack_consume_time;
+
+ ack_timeout = PLCP + get_duration(ACK_SIZE, 10);
+ ack_consume_time = SIFS + PLCP + get_duration(ACK_SIZE, 10);
+
+ if (rt2x00dev->hw->conf.flags & IEEE80211_CONF_SHORT_SLOT_TIME)
+ ack_timeout += SHORT_DIFS;
+ else
+ ack_timeout += DIFS;
+
+ if (short_preamble) {
+ ack_timeout += SHORT_PREAMBLE;
+ ack_consume_time += SHORT_PREAMBLE;
+ } else {
+ ack_timeout += PREAMBLE;
+ ack_consume_time += PREAMBLE;
+ }
+
+ retval = rt2x00dev->ops->lib->config_preamble(rt2x00dev,
+ short_preamble,
+ ack_timeout,
+ ack_consume_time);
+
+ spin_lock(&intf->lock);
+
+ if (retval) {
+ intf->delayed_flags |= DELAYED_CONFIG_PREAMBLE;
+ queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->intf_work);
+ }
+
+ spin_unlock(&intf->lock);
}
void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev,
* The latter is required since we need to recalibrate the
* noise-sensitivity ratio for the new setup.
*/
- rt2x00dev->ops->lib->config(rt2x00dev, CONFIG_UPDATE_ANTENNA, &libconf);
+ rt2x00dev->ops->lib->config(rt2x00dev, &libconf, CONFIG_UPDATE_ANTENNA);
rt2x00lib_reset_link_tuner(rt2x00dev);
rt2x00dev->link.ant.active.rx = libconf.ant.rx;
/*
* Start configuration.
*/
- rt2x00dev->ops->lib->config(rt2x00dev, flags, &libconf);
+ rt2x00dev->ops->lib->config(rt2x00dev, &libconf, flags);
/*
* Some configuration changes affect the link quality
/*
* Stop all scheduled work.
*/
- if (work_pending(&rt2x00dev->beacon_work))
- cancel_work_sync(&rt2x00dev->beacon_work);
+ if (work_pending(&rt2x00dev->intf_work))
+ cancel_work_sync(&rt2x00dev->intf_work);
if (work_pending(&rt2x00dev->filter_work))
cancel_work_sync(&rt2x00dev->filter_work);
- if (work_pending(&rt2x00dev->config_work))
- cancel_work_sync(&rt2x00dev->config_work);
/*
* Stop the TX queues.
* When we are enabling the RX, we should also start the link tuner.
*/
if (state == STATE_RADIO_RX_ON &&
- is_interface_present(&rt2x00dev->interface))
+ (rt2x00dev->intf_ap_count || rt2x00dev->intf_sta_count))
rt2x00lib_start_link_tuner(rt2x00dev);
}
unsigned int filter = rt2x00dev->packet_filter;
/*
- * Since we had stored the filter inside interface.filter,
+ * Since we had stored the filter inside rt2x00dev->packet_filter,
* we should now clear that field. Otherwise the driver will
* assume nothing has changed (*total_flags will be compared
- * to interface.filter to determine if any action is required).
+ * to rt2x00dev->packet_filter to determine if any action is required).
*/
rt2x00dev->packet_filter = 0;
filter, &filter, 0, NULL);
}
-static void rt2x00lib_configuration_scheduled(struct work_struct *work)
+static void rt2x00lib_intf_scheduled_iter(void *data, u8 *mac,
+ struct ieee80211_vif *vif)
{
- struct rt2x00_dev *rt2x00dev =
- container_of(work, struct rt2x00_dev, config_work);
- struct ieee80211_bss_conf bss_conf;
+ struct rt2x00_dev *rt2x00dev = data;
+ struct rt2x00_intf *intf = vif_to_intf(vif);
+ struct sk_buff *skb;
+ struct ieee80211_tx_control control;
+ struct ieee80211_bss_conf conf;
+ int delayed_flags;
+
+ /*
+ * Copy all data we need during this action under the protection
+ * of a spinlock. Otherwise race conditions might occur which results
+ * into an invalid configuration.
+ */
+ spin_lock(&intf->lock);
+
+ memcpy(&conf, &intf->conf, sizeof(conf));
+ delayed_flags = intf->delayed_flags;
+ intf->delayed_flags = 0;
+
+ spin_unlock(&intf->lock);
+
+ if (delayed_flags & DELAYED_UPDATE_BEACON) {
+ skb = ieee80211_beacon_get(rt2x00dev->hw, vif, &control);
+ if (skb) {
+ rt2x00dev->ops->hw->beacon_update(rt2x00dev->hw, skb,
+ &control);
+ dev_kfree_skb(skb);
+ }
+ }
+
+ if (delayed_flags & DELAYED_CONFIG_PREAMBLE)
+ rt2x00lib_config_preamble(rt2x00dev, intf,
+ intf->conf.use_short_preamble);
+}
- bss_conf.use_short_preamble =
- test_bit(CONFIG_SHORT_PREAMBLE, &rt2x00dev->flags);
+static void rt2x00lib_intf_scheduled(struct work_struct *work)
+{
+ struct rt2x00_dev *rt2x00dev =
+ container_of(work, struct rt2x00_dev, intf_work);
/*
- * FIXME: shouldn't invoke it this way because all other contents
- * of bss_conf is invalid.
+ * Iterate over each interface and perform the
+ * requested configurations.
*/
- rt2x00mac_bss_info_changed(rt2x00dev->hw, rt2x00dev->interface.id,
- &bss_conf, BSS_CHANGED_ERP_PREAMBLE);
+ ieee80211_iterate_active_interfaces(rt2x00dev->hw,
+ rt2x00lib_intf_scheduled_iter,
+ rt2x00dev);
}
/*
* Interrupt context handlers.
*/
-static void rt2x00lib_beacondone_scheduled(struct work_struct *work)
+static void rt2x00lib_beacondone_iter(void *data, u8 *mac,
+ struct ieee80211_vif *vif)
{
- struct rt2x00_dev *rt2x00dev =
- container_of(work, struct rt2x00_dev, beacon_work);
- struct ieee80211_tx_control control;
- struct sk_buff *skb;
+ struct rt2x00_intf *intf = vif_to_intf(vif);
- skb = ieee80211_beacon_get(rt2x00dev->hw,
- rt2x00dev->interface.id, &control);
- if (!skb)
+ if (vif->type != IEEE80211_IF_TYPE_AP &&
+ vif->type != IEEE80211_IF_TYPE_IBSS)
return;
- rt2x00dev->ops->hw->beacon_update(rt2x00dev->hw, skb, &control);
-
- dev_kfree_skb(skb);
+ spin_lock(&intf->lock);
+ intf->delayed_flags |= DELAYED_UPDATE_BEACON;
+ spin_unlock(&intf->lock);
}
void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev)
if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
return;
- queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->beacon_work);
+ ieee80211_iterate_active_interfaces(rt2x00dev->hw,
+ rt2x00lib_beacondone_iter,
+ rt2x00dev);
+
+ queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->intf_work);
}
EXPORT_SYMBOL_GPL(rt2x00lib_beacondone);
return retval;
}
+ rt2x00dev->intf_ap_count = 0;
+ rt2x00dev->intf_sta_count = 0;
+ rt2x00dev->intf_associated = 0;
+
__set_bit(DEVICE_STARTED, &rt2x00dev->flags);
return 0;
*/
rt2x00lib_disable_radio(rt2x00dev);
+ rt2x00dev->intf_ap_count = 0;
+ rt2x00dev->intf_sta_count = 0;
+ rt2x00dev->intf_associated = 0;
+
__clear_bit(DEVICE_STARTED, &rt2x00dev->flags);
}
int retval = -ENOMEM;
/*
+ * Make room for rt2x00_intf inside the per-interface
+ * structure ieee80211_vif.
+ */
+ rt2x00dev->hw->vif_data_size = sizeof(struct rt2x00_intf);
+
+ /*
* Let the driver probe the device to detect the capabilities.
*/
retval = rt2x00dev->ops->lib->probe_hw(rt2x00dev);
/*
* Initialize configuration work.
*/
- INIT_WORK(&rt2x00dev->beacon_work, rt2x00lib_beacondone_scheduled);
+ INIT_WORK(&rt2x00dev->intf_work, rt2x00lib_intf_scheduled);
INIT_WORK(&rt2x00dev->filter_work, rt2x00lib_packetfilter_scheduled);
- INIT_WORK(&rt2x00dev->config_work, rt2x00lib_configuration_scheduled);
INIT_DELAYED_WORK(&rt2x00dev->link.work, rt2x00lib_link_tuner);
/*
- * Reset current working type.
- */
- rt2x00dev->interface.type = IEEE80211_IF_TYPE_INVALID;
-
- /*
* Allocate queue array.
*/
retval = rt2x00queue_allocate(rt2x00dev);
}
EXPORT_SYMBOL_GPL(rt2x00lib_suspend);
+static void rt2x00lib_resume_intf(void *data, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ struct rt2x00_dev *rt2x00dev = data;
+ struct rt2x00_intf *intf = vif_to_intf(vif);
+
+ spin_lock(&intf->lock);
+
+ rt2x00lib_config_intf(rt2x00dev, intf,
+ vif->type, intf->mac, intf->bssid);
+
+
+ /*
+ * Master or Ad-hoc mode require a new beacon update.
+ */
+ if (vif->type == IEEE80211_IF_TYPE_AP ||
+ vif->type == IEEE80211_IF_TYPE_IBSS)
+ intf->delayed_flags |= DELAYED_UPDATE_BEACON;
+
+ spin_unlock(&intf->lock);
+}
+
int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev)
{
- struct interface *intf = &rt2x00dev->interface;
int retval;
NOTICE(rt2x00dev, "Waking up.\n");
if (!rt2x00dev->hw->conf.radio_enabled)
rt2x00lib_disable_radio(rt2x00dev);
- rt2x00lib_config_mac_addr(rt2x00dev, intf->mac);
- rt2x00lib_config_bssid(rt2x00dev, intf->bssid);
- rt2x00lib_config_type(rt2x00dev, intf->type);
+ /*
+ * Iterator over each active interface to
+ * reconfigure the hardware.
+ */
+ ieee80211_iterate_active_interfaces(rt2x00dev->hw,
+ rt2x00lib_resume_intf, rt2x00dev);
/*
* We are ready again to receive requests from mac80211.
ieee80211_start_queues(rt2x00dev->hw);
/*
- * When in Master or Ad-hoc mode,
- * restart Beacon transmitting by faking a beacondone event.
+ * During interface iteration we might have changed the
+ * delayed_flags, time to handles the event by calling
+ * the work handler directly.
*/
- if (intf->type == IEEE80211_IF_TYPE_AP ||
- intf->type == IEEE80211_IF_TYPE_IBSS)
- rt2x00lib_beacondone(rt2x00dev);
+ rt2x00lib_intf_scheduled(&rt2x00dev->intf_work);
return 0;
/*
* Configuration handlers.
*/
-void rt2x00lib_config_mac_addr(struct rt2x00_dev *rt2x00dev, u8 *mac);
-void rt2x00lib_config_bssid(struct rt2x00_dev *rt2x00dev, u8 *bssid);
-void rt2x00lib_config_type(struct rt2x00_dev *rt2x00dev, const int type);
+void rt2x00lib_config_intf(struct rt2x00_dev *rt2x00dev,
+ struct rt2x00_intf *intf,
+ enum ieee80211_if_types type,
+ u8 *mac, u8 *bssid);
+void rt2x00lib_config_preamble(struct rt2x00_dev *rt2x00dev,
+ struct rt2x00_intf *intf,
+ const unsigned int short_preamble);
void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev,
enum antenna rx, enum antenna tx);
void rt2x00lib_config(struct rt2x00_dev *rt2x00dev,
skb_put(skb, size);
if (control->flags & IEEE80211_TXCTL_USE_CTS_PROTECT)
- ieee80211_ctstoself_get(rt2x00dev->hw, rt2x00dev->interface.id,
+ ieee80211_ctstoself_get(rt2x00dev->hw, control->vif,
frag_skb->data, frag_skb->len, control,
(struct ieee80211_cts *)(skb->data));
else
- ieee80211_rts_get(rt2x00dev->hw, rt2x00dev->interface.id,
+ ieee80211_rts_get(rt2x00dev->hw, control->vif,
frag_skb->data, frag_skb->len, control,
(struct ieee80211_rts *)(skb->data));
struct ieee80211_if_init_conf *conf)
{
struct rt2x00_dev *rt2x00dev = hw->priv;
- struct interface *intf = &rt2x00dev->interface;
+ struct rt2x00_intf *intf = vif_to_intf(conf->vif);
+ struct data_queue *queue =
+ rt2x00queue_get_queue(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
+ struct queue_entry *entry = NULL;
+ unsigned int i;
/*
- * Don't allow interfaces to be added while
- * either the device has disappeared or when
- * another interface is already present.
+ * Don't allow interfaces to be added
+ * the device has disappeared.
*/
if (!test_bit(DEVICE_PRESENT, &rt2x00dev->flags) ||
- is_interface_present(intf))
+ !test_bit(DEVICE_STARTED, &rt2x00dev->flags))
+ return -ENODEV;
+
+ /*
+ * When we don't support mixed interfaces (a combination
+ * of sta and ap virtual interfaces) then we can only
+ * add this interface when the rival interface count is 0.
+ */
+ if (!test_bit(DRIVER_SUPPORT_MIXED_INTERFACES, &rt2x00dev->flags) &&
+ ((conf->type == IEEE80211_IF_TYPE_AP && rt2x00dev->intf_sta_count) ||
+ (conf->type != IEEE80211_IF_TYPE_AP && rt2x00dev->intf_ap_count)))
+ return -ENOBUFS;
+
+ /*
+ * Check if we exceeded the maximum amount of supported interfaces.
+ */
+ if ((conf->type == IEEE80211_IF_TYPE_AP &&
+ rt2x00dev->intf_ap_count >= rt2x00dev->ops->max_ap_intf) ||
+ (conf->type != IEEE80211_IF_TYPE_AP &&
+ rt2x00dev->intf_sta_count >= rt2x00dev->ops->max_sta_intf))
+ return -ENOBUFS;
+
+ /*
+ * Loop through all beacon queues to find a free
+ * entry. Since there are as much beacon entries
+ * as the maximum interfaces, this search shouldn't
+ * fail.
+ */
+ for (i = 0; i < queue->limit; i++) {
+ entry = &queue->entries[i];
+ if (!__test_and_set_bit(ENTRY_BCN_ASSIGNED, &entry->flags))
+ break;
+ }
+
+ if (unlikely(i == queue->limit))
return -ENOBUFS;
- intf->id = conf->vif;
- intf->type = conf->type;
+ /*
+ * We are now absolutely sure the interface can be created,
+ * increase interface count and start initialization.
+ */
+
+ if (conf->type == IEEE80211_IF_TYPE_AP)
+ rt2x00dev->intf_ap_count++;
+ else
+ rt2x00dev->intf_sta_count++;
+
+ spin_lock_init(&intf->lock);
+ intf->beacon = entry;
+
if (conf->type == IEEE80211_IF_TYPE_AP)
memcpy(&intf->bssid, conf->mac_addr, ETH_ALEN);
memcpy(&intf->mac, conf->mac_addr, ETH_ALEN);
* has been initialized. Otherwise the device can reset
* the MAC registers.
*/
- rt2x00lib_config_mac_addr(rt2x00dev, intf->mac);
- rt2x00lib_config_type(rt2x00dev, conf->type);
+ rt2x00lib_config_intf(rt2x00dev, intf, conf->type, intf->mac, NULL);
return 0;
}
struct ieee80211_if_init_conf *conf)
{
struct rt2x00_dev *rt2x00dev = hw->priv;
- struct interface *intf = &rt2x00dev->interface;
+ struct rt2x00_intf *intf = vif_to_intf(conf->vif);
/*
* Don't allow interfaces to be remove while
* no interface is present.
*/
if (!test_bit(DEVICE_PRESENT, &rt2x00dev->flags) ||
- !is_interface_present(intf))
+ (conf->type == IEEE80211_IF_TYPE_AP && !rt2x00dev->intf_ap_count) ||
+ (conf->type != IEEE80211_IF_TYPE_AP && !rt2x00dev->intf_sta_count))
return;
- intf->id = NULL;
- intf->type = IEEE80211_IF_TYPE_INVALID;
- memset(&intf->bssid, 0x00, ETH_ALEN);
- memset(&intf->mac, 0x00, ETH_ALEN);
+ if (conf->type == IEEE80211_IF_TYPE_AP)
+ rt2x00dev->intf_ap_count--;
+ else
+ rt2x00dev->intf_sta_count--;
+
+ /*
+ * Release beacon entry so it is available for
+ * new interfaces again.
+ */
+ __clear_bit(ENTRY_BCN_ASSIGNED, &intf->beacon->flags);
/*
* Make sure the bssid and mac address registers
* are cleared to prevent false ACKing of frames.
*/
- rt2x00lib_config_mac_addr(rt2x00dev, intf->mac);
- rt2x00lib_config_bssid(rt2x00dev, intf->bssid);
- rt2x00lib_config_type(rt2x00dev, intf->type);
+ rt2x00lib_config_intf(rt2x00dev, intf,
+ IEEE80211_IF_TYPE_INVALID, NULL, NULL);
}
EXPORT_SYMBOL_GPL(rt2x00mac_remove_interface);
struct ieee80211_if_conf *conf)
{
struct rt2x00_dev *rt2x00dev = hw->priv;
- struct interface *intf = &rt2x00dev->interface;
+ struct rt2x00_intf *intf = vif_to_intf(vif);
int status;
/*
if (!test_bit(DEVICE_PRESENT, &rt2x00dev->flags))
return 0;
- /*
- * If the given type does not match the configured type,
- * there has been a problem.
- */
- if (conf->type != intf->type)
- return -EINVAL;
+ spin_lock(&intf->lock);
/*
* If the interface does not work in master mode,
*/
if (conf->type != IEEE80211_IF_TYPE_AP)
memcpy(&intf->bssid, conf->bssid, ETH_ALEN);
- rt2x00lib_config_bssid(rt2x00dev, intf->bssid);
+ rt2x00lib_config_intf(rt2x00dev, intf, conf->type, NULL, intf->bssid);
+
+ spin_unlock(&intf->lock);
/*
* We only need to initialize the beacon when master mode is enabled.
u32 changes)
{
struct rt2x00_dev *rt2x00dev = hw->priv;
- int short_preamble;
- int ack_timeout;
- int ack_consume_time;
- int difs;
- int preamble;
+ struct rt2x00_intf *intf = vif_to_intf(vif);
/*
- * We only support changing preamble mode.
+ * When the association status has changed we must reset the link
+ * tuner counter. This is because some drivers determine if they
+ * should perform link tuning based on the number of seconds
+ * while associated or not associated.
*/
- if (!(changes & BSS_CHANGED_ERP_PREAMBLE))
- return;
-
- short_preamble = bss_conf->use_short_preamble;
- preamble = bss_conf->use_short_preamble ?
- SHORT_PREAMBLE : PREAMBLE;
+ if (changes & BSS_CHANGED_ASSOC) {
+ rt2x00dev->link.count = 0;
- difs = (hw->conf.flags & IEEE80211_CONF_SHORT_SLOT_TIME) ?
- SHORT_DIFS : DIFS;
- ack_timeout = difs + PLCP + preamble + get_duration(ACK_SIZE, 10);
-
- ack_consume_time = SIFS + PLCP + preamble + get_duration(ACK_SIZE, 10);
+ if (bss_conf->assoc)
+ rt2x00dev->intf_associated++;
+ else
+ rt2x00dev->intf_associated--;
+ }
- if (short_preamble)
- __set_bit(CONFIG_SHORT_PREAMBLE, &rt2x00dev->flags);
- else
- __clear_bit(CONFIG_SHORT_PREAMBLE, &rt2x00dev->flags);
+ /*
+ * When the preamble mode has changed, we should perform additional
+ * configuration steps. For all other changes we are already done.
+ */
+ if (changes & BSS_CHANGED_ERP_PREAMBLE) {
+ rt2x00lib_config_preamble(rt2x00dev, intf,
+ bss_conf->use_short_preamble);
- rt2x00dev->ops->lib->config_preamble(rt2x00dev, short_preamble,
- ack_timeout, ack_consume_time);
+ spin_lock(&intf->lock);
+ memcpy(&intf->conf, bss_conf, sizeof(*bss_conf));
+ spin_unlock(&intf->lock);
+ }
}
EXPORT_SYMBOL_GPL(rt2x00mac_bss_info_changed);
struct ieee80211_tx_control *control)
{
struct rt2x00_dev *rt2x00dev = hw->priv;
+ struct rt2x00_intf *intf = vif_to_intf(control->vif);
struct queue_entry_priv_pci_tx *priv_tx;
struct skb_frame_desc *skbdesc;
- struct data_queue *queue;
- struct queue_entry *entry;
- /*
- * Just in case mac80211 doesn't set this correctly,
- * but we need this queue set for the descriptor
- * initialization.
- */
- control->queue = IEEE80211_TX_QUEUE_BEACON;
- queue = rt2x00queue_get_queue(rt2x00dev, control->queue);
- entry = rt2x00queue_get_entry(queue, Q_INDEX);
- priv_tx = entry->priv_data;
+ if (unlikely(!intf->beacon))
+ return -ENOBUFS;
+
+ priv_tx = intf->beacon->priv_data;
/*
* Fill in skb descriptor
skbdesc = get_skb_frame_desc(skb);
memset(skbdesc, 0, sizeof(*skbdesc));
skbdesc->data = skb->data;
- skbdesc->data_len = queue->data_size;
+ skbdesc->data_len = skb->len;
skbdesc->desc = priv_tx->desc;
- skbdesc->desc_len = queue->desc_size;
- skbdesc->entry = entry;
+ skbdesc->desc_len = intf->beacon->queue->desc_size;
+ skbdesc->entry = intf->beacon;
- memcpy(priv_tx->data, skb->data, skb->len);
+ /*
+ * Just in case mac80211 doesn't set this correctly,
+ * but we need this queue set for the descriptor
+ * initialization.
+ */
+ control->queue = IEEE80211_TX_QUEUE_BEACON;
rt2x00lib_write_tx_desc(rt2x00dev, skb, control);
/*
* Enable beacon generation.
+ * Write entire beacon with descriptor to register,
+ * and kick the beacon generator.
*/
+ memcpy(priv_tx->data, skb->data, skb->len);
rt2x00dev->ops->lib->kick_tx_queue(rt2x00dev, control->queue);
return 0;
* queue would be sufficient. Although this is almost one third of
* the amount the legacy driver allocated, the queues aren't getting
* filled to the maximum even when working with the maximum rate.
- *
- * FIXME: For virtual interfaces we need a different number
- * of beacons, since more interfaces require more beacons.
*/
#define RX_ENTRIES 12
#define TX_ENTRIES 12
/*
* Configuration handlers.
*/
-static void rt61pci_config_mac_addr(struct rt2x00_dev *rt2x00dev, __le32 *mac)
+static void rt61pci_config_intf(struct rt2x00_dev *rt2x00dev,
+ struct rt2x00_intf *intf,
+ struct rt2x00intf_conf *conf,
+ const unsigned int flags)
{
- u32 tmp;
-
- tmp = le32_to_cpu(mac[1]);
- rt2x00_set_field32(&tmp, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff);
- mac[1] = cpu_to_le32(tmp);
-
- rt2x00pci_register_multiwrite(rt2x00dev, MAC_CSR2, mac,
- (2 * sizeof(__le32)));
-}
+ unsigned int beacon_base;
+ u32 reg;
-static void rt61pci_config_bssid(struct rt2x00_dev *rt2x00dev, __le32 *bssid)
-{
- u32 tmp;
+ if (flags & CONFIG_UPDATE_TYPE) {
+ /*
+ * Clear current synchronisation setup.
+ * For the Beacon base registers we only need to clear
+ * the first byte since that byte contains the VALID and OWNER
+ * bits which (when set to 0) will invalidate the entire beacon.
+ */
+ beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, 0);
+ rt2x00pci_register_write(rt2x00dev, beacon_base, 0);
- tmp = le32_to_cpu(bssid[1]);
- rt2x00_set_field32(&tmp, MAC_CSR5_BSS_ID_MASK, 3);
- bssid[1] = cpu_to_le32(tmp);
+ /*
+ * Enable synchronisation.
+ */
+ rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, ®);
+ rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 1);
+ rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE,
+ (conf->sync == TSF_SYNC_BEACON));
+ rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 0);
+ rt2x00_set_field32(®, TXRX_CSR9_TSF_SYNC, conf->sync);
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg);
+ }
- rt2x00pci_register_multiwrite(rt2x00dev, MAC_CSR4, bssid,
- (2 * sizeof(__le32)));
-}
+ if (flags & CONFIG_UPDATE_MAC) {
+ reg = le32_to_cpu(conf->mac[1]);
+ rt2x00_set_field32(®, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff);
+ conf->mac[1] = cpu_to_le32(reg);
-static void rt61pci_config_type(struct rt2x00_dev *rt2x00dev, const int type,
- const int tsf_sync)
-{
- u32 reg;
+ rt2x00pci_register_multiwrite(rt2x00dev, MAC_CSR2,
+ conf->mac, sizeof(conf->mac));
+ }
- /*
- * Clear current synchronisation setup.
- * For the Beacon base registers we only need to clear
- * the first byte since that byte contains the VALID and OWNER
- * bits which (when set to 0) will invalidate the entire beacon.
- */
- rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, 0);
- rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
- rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
- rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
- rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
+ if (flags & CONFIG_UPDATE_BSSID) {
+ reg = le32_to_cpu(conf->bssid[1]);
+ rt2x00_set_field32(®, MAC_CSR5_BSS_ID_MASK, 3);
+ conf->bssid[1] = cpu_to_le32(reg);
- /*
- * Enable synchronisation.
- */
- rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, ®);
- rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 1);
- rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE,
- (tsf_sync == TSF_SYNC_BEACON));
- rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 0);
- rt2x00_set_field32(®, TXRX_CSR9_TSF_SYNC, tsf_sync);
- rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg);
+ rt2x00pci_register_multiwrite(rt2x00dev, MAC_CSR4,
+ conf->bssid, sizeof(conf->bssid));
+ }
}
-static void rt61pci_config_preamble(struct rt2x00_dev *rt2x00dev,
- const int short_preamble,
- const int ack_timeout,
- const int ack_consume_time)
+static int rt61pci_config_preamble(struct rt2x00_dev *rt2x00dev,
+ const int short_preamble,
+ const int ack_timeout,
+ const int ack_consume_time)
{
u32 reg;
rt2x00_set_field32(®, TXRX_CSR4_AUTORESPOND_PREAMBLE,
!!short_preamble);
rt2x00pci_register_write(rt2x00dev, TXRX_CSR4, reg);
+
+ return 0;
}
static void rt61pci_config_phymode(struct rt2x00_dev *rt2x00dev,
}
static void rt61pci_config(struct rt2x00_dev *rt2x00dev,
- const unsigned int flags,
- struct rt2x00lib_conf *libconf)
+ struct rt2x00lib_conf *libconf,
+ const unsigned int flags)
{
if (flags & CONFIG_UPDATE_PHYMODE)
rt61pci_config_phymode(rt2x00dev, libconf->basic_rates);
}
/*
+ * If we are not associated, we should go straight to the
+ * dynamic CCA tuning.
+ */
+ if (!rt2x00dev->intf_associated)
+ goto dynamic_cca_tune;
+
+ /*
* Special big-R17 for very short distance
*/
if (rssi >= -35) {
return;
}
+dynamic_cca_tune:
+
/*
* r17 does not yet exceed upper limit, continue and base
* the r17 tuning on the false CCA count.
rt2x00pci_register_write(rt2x00dev, AC_TXOP_CSR1, reg);
/*
+ * Clear all beacons
+ * For the Beacon base registers we only need to clear
+ * the first byte since that byte contains the VALID and OWNER
+ * bits which (when set to 0) will invalidate the entire beacon.
+ */
+ rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
+ rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
+ rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
+ rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
+
+ /*
* We must clear the error counters.
* These registers are cleared on read,
* so we may pass a useless variable to store the value.
struct ieee80211_tx_control *control)
{
struct rt2x00_dev *rt2x00dev = hw->priv;
+ struct rt2x00_intf *intf = vif_to_intf(control->vif);
struct skb_frame_desc *skbdesc;
- struct data_queue *queue;
- struct queue_entry *entry;
+ unsigned int beacon_base;
- /*
- * Just in case the ieee80211 doesn't set this,
- * but we need this queue set for the descriptor
- * initialization.
- */
- control->queue = IEEE80211_TX_QUEUE_BEACON;
- queue = rt2x00queue_get_queue(rt2x00dev, control->queue);
- entry = rt2x00queue_get_entry(queue, Q_INDEX);
+ if (unlikely(!intf->beacon))
+ return -ENOBUFS;
/*
* We need to append the descriptor in front of the
* beacon frame.
*/
- if (skb_headroom(skb) < queue->desc_size) {
- if (pskb_expand_head(skb, queue->desc_size, 0, GFP_ATOMIC)) {
+ if (skb_headroom(skb) < intf->beacon->queue->desc_size) {
+ if (pskb_expand_head(skb, intf->beacon->queue->desc_size,
+ 0, GFP_ATOMIC)) {
dev_kfree_skb(skb);
return -ENOMEM;
}
/*
* Add the descriptor in front of the skb.
*/
- skb_push(skb, queue->desc_size);
- memset(skb->data, 0, queue->desc_size);
+ skb_push(skb, intf->beacon->queue->desc_size);
+ memset(skb->data, 0, intf->beacon->queue->desc_size);
/*
* Fill in skb descriptor
*/
skbdesc = get_skb_frame_desc(skb);
memset(skbdesc, 0, sizeof(*skbdesc));
- skbdesc->data = skb->data + queue->desc_size;
- skbdesc->data_len = queue->data_size;
+ skbdesc->data = skb->data + intf->beacon->queue->desc_size;
+ skbdesc->data_len = skb->len - intf->beacon->queue->desc_size;
skbdesc->desc = skb->data;
- skbdesc->desc_len = queue->desc_size;
- skbdesc->entry = entry;
+ skbdesc->desc_len = intf->beacon->queue->desc_size;
+ skbdesc->entry = intf->beacon;
+ /*
+ * Just in case the ieee80211 doesn't set this,
+ * but we need this queue set for the descriptor
+ * initialization.
+ */
+ control->queue = IEEE80211_TX_QUEUE_BEACON;
rt2x00lib_write_tx_desc(rt2x00dev, skb, control);
/*
* Write entire beacon with descriptor to register,
* and kick the beacon generator.
*/
- rt2x00pci_register_multiwrite(rt2x00dev, HW_BEACON_BASE0,
+ beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
+ rt2x00pci_register_multiwrite(rt2x00dev, beacon_base,
skb->data, skb->len);
- rt61pci_kick_tx_queue(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
+ rt61pci_kick_tx_queue(rt2x00dev, control->queue);
return 0;
}
.write_tx_data = rt2x00pci_write_tx_data,
.kick_tx_queue = rt61pci_kick_tx_queue,
.fill_rxdone = rt61pci_fill_rxdone,
- .config_mac_addr = rt61pci_config_mac_addr,
- .config_bssid = rt61pci_config_bssid,
- .config_type = rt61pci_config_type,
+ .config_intf = rt61pci_config_intf,
.config_preamble = rt61pci_config_preamble,
.config = rt61pci_config,
};
};
static const struct data_queue_desc rt61pci_queue_bcn = {
- .entry_num = BEACON_ENTRIES,
+ .entry_num = 4 * BEACON_ENTRIES,
.data_size = MGMT_FRAME_SIZE,
.desc_size = TXINFO_SIZE,
.priv_size = sizeof(struct queue_entry_priv_pci_tx),
static const struct rt2x00_ops rt61pci_ops = {
.name = KBUILD_MODNAME,
+ .max_sta_intf = 1,
+ .max_ap_intf = 4,
.eeprom_size = EEPROM_SIZE,
.rf_size = RF_SIZE,
.rx = &rt61pci_queue_rx,
#define HW_BEACON_BASE1 0x2d00
#define HW_BEACON_BASE2 0x2e00
#define HW_BEACON_BASE3 0x2f00
-#define HW_BEACON_OFFSET 0x0100
+
+#define HW_BEACON_OFFSET(__index) \
+ ( HW_BEACON_BASE0 + (__index * 0x0100) )
/*
* HOST-MCU shared memory.
/*
* MAC_CSR3: STA MAC register 1.
+ * UNICAST_TO_ME_MASK:
+ * Used to mask off bits from byte 5 of the MAC address
+ * to determine the UNICAST_TO_ME bit for RX frames.
+ * The full mask is complemented by BSS_ID_MASK:
+ * MASK = BSS_ID_MASK & UNICAST_TO_ME_MASK
*/
#define MAC_CSR3 0x300c
#define MAC_CSR3_BYTE4 FIELD32(0x000000ff)
/*
* MAC_CSR5: BSSID register 1.
- * BSS_ID_MASK: 3: one BSSID, 0: 4 BSSID, 2 or 1: 2 BSSID.
+ * BSS_ID_MASK:
+ * This mask is used to mask off bits 0 and 1 of byte 5 of the
+ * BSSID. This will make sure that those bits will be ignored
+ * when determining the MY_BSS of RX frames.
+ * 0: 1-BSSID mode (BSS index = 0)
+ * 1: 2-BSSID mode (BSS index: Byte5, bit 0)
+ * 2: 2-BSSID mode (BSS index: byte5, bit 1)
+ * 3: 4-BSSID mode (BSS index: byte5, bit 0 - 1)
*/
#define MAC_CSR5 0x3014
#define MAC_CSR5_BYTE4 FIELD32(0x000000ff)
/*
* Configuration handlers.
*/
-static void rt73usb_config_mac_addr(struct rt2x00_dev *rt2x00dev, __le32 *mac)
+static void rt73usb_config_intf(struct rt2x00_dev *rt2x00dev,
+ struct rt2x00_intf *intf,
+ struct rt2x00intf_conf *conf,
+ const unsigned int flags)
{
- u32 tmp;
-
- tmp = le32_to_cpu(mac[1]);
- rt2x00_set_field32(&tmp, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff);
- mac[1] = cpu_to_le32(tmp);
-
- rt73usb_register_multiwrite(rt2x00dev, MAC_CSR2, mac,
- (2 * sizeof(__le32)));
-}
+ unsigned int beacon_base;
+ u32 reg;
-static void rt73usb_config_bssid(struct rt2x00_dev *rt2x00dev, __le32 *bssid)
-{
- u32 tmp;
+ if (flags & CONFIG_UPDATE_TYPE) {
+ /*
+ * Clear current synchronisation setup.
+ * For the Beacon base registers we only need to clear
+ * the first byte since that byte contains the VALID and OWNER
+ * bits which (when set to 0) will invalidate the entire beacon.
+ */
+ beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
+ rt73usb_register_write(rt2x00dev, TXRX_CSR9, 0);
+ rt73usb_register_write(rt2x00dev, beacon_base, 0);
- tmp = le32_to_cpu(bssid[1]);
- rt2x00_set_field32(&tmp, MAC_CSR5_BSS_ID_MASK, 3);
- bssid[1] = cpu_to_le32(tmp);
+ /*
+ * Enable synchronisation.
+ */
+ rt73usb_register_read(rt2x00dev, TXRX_CSR9, ®);
+ rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 1);
+ rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE,
+ (conf->sync == TSF_SYNC_BEACON));
+ rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 0);
+ rt2x00_set_field32(®, TXRX_CSR9_TSF_SYNC, conf->sync);
+ rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg);
+ }
- rt73usb_register_multiwrite(rt2x00dev, MAC_CSR4, bssid,
- (2 * sizeof(__le32)));
-}
+ if (flags & CONFIG_UPDATE_MAC) {
+ reg = le32_to_cpu(conf->mac[1]);
+ rt2x00_set_field32(®, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff);
+ conf->mac[1] = cpu_to_le32(reg);
-static void rt73usb_config_type(struct rt2x00_dev *rt2x00dev, const int type,
- const int tsf_sync)
-{
- u32 reg;
+ rt73usb_register_multiwrite(rt2x00dev, MAC_CSR2,
+ conf->mac, sizeof(conf->mac));
+ }
- /*
- * Clear current synchronisation setup.
- * For the Beacon base registers we only need to clear
- * the first byte since that byte contains the VALID and OWNER
- * bits which (when set to 0) will invalidate the entire beacon.
- */
- rt73usb_register_write(rt2x00dev, TXRX_CSR9, 0);
- rt73usb_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
- rt73usb_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
- rt73usb_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
- rt73usb_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
+ if (flags & CONFIG_UPDATE_BSSID) {
+ reg = le32_to_cpu(conf->bssid[1]);
+ rt2x00_set_field32(®, MAC_CSR5_BSS_ID_MASK, 3);
+ conf->bssid[1] = cpu_to_le32(reg);
- /*
- * Enable synchronisation.
- */
- rt73usb_register_read(rt2x00dev, TXRX_CSR9, ®);
- rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 1);
- rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE,
- (tsf_sync == TSF_SYNC_BEACON));
- rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 0);
- rt2x00_set_field32(®, TXRX_CSR9_TSF_SYNC, tsf_sync);
- rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg);
+ rt73usb_register_multiwrite(rt2x00dev, MAC_CSR4,
+ conf->bssid, sizeof(conf->bssid));
+ }
}
-static void rt73usb_config_preamble(struct rt2x00_dev *rt2x00dev,
- const int short_preamble,
- const int ack_timeout,
- const int ack_consume_time)
+static int rt73usb_config_preamble(struct rt2x00_dev *rt2x00dev,
+ const int short_preamble,
+ const int ack_timeout,
+ const int ack_consume_time)
{
u32 reg;
/*
- * When in atomic context, reschedule and let rt2x00lib
- * call this function again.
+ * When in atomic context, we should let rt2x00lib
+ * try this configuration again later.
*/
- if (in_atomic()) {
- queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->config_work);
- return;
- }
+ if (in_atomic())
+ return -EAGAIN;
rt73usb_register_read(rt2x00dev, TXRX_CSR0, ®);
rt2x00_set_field32(®, TXRX_CSR0_RX_ACK_TIMEOUT, ack_timeout);
rt2x00_set_field32(®, TXRX_CSR4_AUTORESPOND_PREAMBLE,
!!short_preamble);
rt73usb_register_write(rt2x00dev, TXRX_CSR4, reg);
+
+ return 0;
}
static void rt73usb_config_phymode(struct rt2x00_dev *rt2x00dev,
}
static void rt73usb_config(struct rt2x00_dev *rt2x00dev,
- const unsigned int flags,
- struct rt2x00lib_conf *libconf)
+ struct rt2x00lib_conf *libconf,
+ const unsigned int flags)
{
if (flags & CONFIG_UPDATE_PHYMODE)
rt73usb_config_phymode(rt2x00dev, libconf->basic_rates);
}
/*
+ * If we are not associated, we should go straight to the
+ * dynamic CCA tuning.
+ */
+ if (!rt2x00dev->intf_associated)
+ goto dynamic_cca_tune;
+
+ /*
* Special big-R17 for very short distance
*/
if (rssi > -35) {
return;
}
+dynamic_cca_tune:
+
/*
* r17 does not yet exceed upper limit, continue and base
* the r17 tuning on the false CCA count.
rt73usb_register_write(rt2x00dev, MAC_CSR9, reg);
/*
+ * Clear all beacons
+ * For the Beacon base registers we only need to clear
+ * the first byte since that byte contains the VALID and OWNER
+ * bits which (when set to 0) will invalidate the entire beacon.
+ */
+ rt73usb_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
+ rt73usb_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
+ rt73usb_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
+ rt73usb_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
+
+ /*
* We must clear the error counters.
* These registers are cleared on read,
* so we may pass a useless variable to store the value.
}
static int rt73usb_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
- struct ieee80211_tx_control *control)
+ struct ieee80211_tx_control *control)
{
struct rt2x00_dev *rt2x00dev = hw->priv;
+ struct rt2x00_intf *intf = vif_to_intf(control->vif);
struct skb_frame_desc *skbdesc;
- struct data_queue *queue;
- struct queue_entry *entry;
- int timeout;
+ unsigned int beacon_base;
+ unsigned int timeout;
- /*
- * Just in case the ieee80211 doesn't set this,
- * but we need this queue set for the descriptor
- * initialization.
- */
- control->queue = IEEE80211_TX_QUEUE_BEACON;
- queue = rt2x00queue_get_queue(rt2x00dev, control->queue);
- entry = rt2x00queue_get_entry(queue, Q_INDEX);
+ if (unlikely(!intf->beacon))
+ return -ENOBUFS;
/*
* Add the descriptor in front of the skb.
*/
- skb_push(skb, queue->desc_size);
- memset(skb->data, 0, queue->desc_size);
+ skb_push(skb, intf->beacon->queue->desc_size);
+ memset(skb->data, 0, intf->beacon->queue->desc_size);
/*
* Fill in skb descriptor
*/
skbdesc = get_skb_frame_desc(skb);
memset(skbdesc, 0, sizeof(*skbdesc));
- skbdesc->data = skb->data + queue->desc_size;
- skbdesc->data_len = queue->data_size;
+ skbdesc->data = skb->data + intf->beacon->queue->desc_size;
+ skbdesc->data_len = skb->len - intf->beacon->queue->desc_size;
skbdesc->desc = skb->data;
- skbdesc->desc_len = queue->desc_size;
- skbdesc->entry = entry;
+ skbdesc->desc_len = intf->beacon->queue->desc_size;
+ skbdesc->entry = intf->beacon;
+ /*
+ * Just in case the ieee80211 doesn't set this,
+ * but we need this queue set for the descriptor
+ * initialization.
+ */
+ control->queue = IEEE80211_TX_QUEUE_BEACON;
rt2x00lib_write_tx_desc(rt2x00dev, skb, control);
/*
* Write entire beacon with descriptor to register,
* and kick the beacon generator.
*/
+ beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
timeout = REGISTER_TIMEOUT * (skb->len / sizeof(u32));
rt2x00usb_vendor_request(rt2x00dev, USB_MULTI_WRITE,
- USB_VENDOR_REQUEST_OUT,
- HW_BEACON_BASE0, 0x0000,
+ USB_VENDOR_REQUEST_OUT, beacon_base, 0,
skb->data, skb->len, timeout);
- rt73usb_kick_tx_queue(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
+ rt73usb_kick_tx_queue(rt2x00dev, control->queue);
return 0;
}
.get_tx_data_len = rt73usb_get_tx_data_len,
.kick_tx_queue = rt73usb_kick_tx_queue,
.fill_rxdone = rt73usb_fill_rxdone,
- .config_mac_addr = rt73usb_config_mac_addr,
- .config_bssid = rt73usb_config_bssid,
- .config_type = rt73usb_config_type,
+ .config_intf = rt73usb_config_intf,
.config_preamble = rt73usb_config_preamble,
.config = rt73usb_config,
};
};
static const struct data_queue_desc rt73usb_queue_bcn = {
- .entry_num = BEACON_ENTRIES,
+ .entry_num = 4 * BEACON_ENTRIES,
.data_size = MGMT_FRAME_SIZE,
.desc_size = TXINFO_SIZE,
.priv_size = sizeof(struct queue_entry_priv_usb_tx),
static const struct rt2x00_ops rt73usb_ops = {
.name = KBUILD_MODNAME,
+ .max_sta_intf = 1,
+ .max_ap_intf = 4,
.eeprom_size = EEPROM_SIZE,
.rf_size = RF_SIZE,
.rx = &rt73usb_queue_rx,
#define HW_BEACON_BASE2 0x2600
#define HW_BEACON_BASE3 0x2700
+#define HW_BEACON_OFFSET(__index) \
+ ( HW_BEACON_BASE0 + (__index * 0x0100) )
+
/*
* MAC Control/Status Registers(CSR).
* Some values are set in TU, whereas 1 TU == 1024 us.
/*
* MAC_CSR3: STA MAC register 1.
+ * UNICAST_TO_ME_MASK:
+ * Used to mask off bits from byte 5 of the MAC address
+ * to determine the UNICAST_TO_ME bit for RX frames.
+ * The full mask is complemented by BSS_ID_MASK:
+ * MASK = BSS_ID_MASK & UNICAST_TO_ME_MASK
*/
#define MAC_CSR3 0x300c
#define MAC_CSR3_BYTE4 FIELD32(0x000000ff)
/*
* MAC_CSR5: BSSID register 1.
- * BSS_ID_MASK: 3: one BSSID, 0: 4 BSSID, 2 or 1: 2 BSSID.
+ * BSS_ID_MASK:
+ * This mask is used to mask off bits 0 and 1 of byte 5 of the
+ * BSSID. This will make sure that those bits will be ignored
+ * when determining the MY_BSS of RX frames.
+ * 0: 1-BSSID mode (BSS index = 0)
+ * 1: 2-BSSID mode (BSS index: Byte5, bit 0)
+ * 2: 2-BSSID mode (BSS index: byte5, bit 1)
+ * 3: 4-BSSID mode (BSS index: byte5, bit 0 - 1)
*/
#define MAC_CSR5 0x3014
#define MAC_CSR5_BYTE4 FIELD32(0x000000ff)
projects / platform / kernel / linux-exynos.git / commitdiff