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path: root/drivers/net/wireless/rt2x00/rt2x00dev.c
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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00dev.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00dev.c129
1 files changed, 69 insertions, 60 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index f42283ad7b02..86840e3585e8 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -34,7 +34,7 @@
*/
void rt2x00lib_reset_link_tuner(struct rt2x00_dev *rt2x00dev)
{
- if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
+ if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
return;
/*
@@ -94,8 +94,8 @@ int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev)
* Don't enable the radio twice.
* And check if the hardware button has been disabled.
*/
- if (test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags) ||
- test_bit(DEVICE_DISABLED_RADIO_HW, &rt2x00dev->flags))
+ if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags) ||
+ test_bit(DEVICE_STATE_DISABLED_RADIO_HW, &rt2x00dev->flags))
return 0;
/*
@@ -117,7 +117,7 @@ int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev)
rt2x00leds_led_radio(rt2x00dev, true);
rt2x00led_led_activity(rt2x00dev, true);
- __set_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags);
+ set_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags);
/*
* Enable RX.
@@ -134,7 +134,7 @@ int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev)
void rt2x00lib_disable_radio(struct rt2x00_dev *rt2x00dev)
{
- if (!__test_and_clear_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
+ if (!test_and_clear_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
return;
/*
@@ -354,7 +354,7 @@ static void rt2x00lib_link_tuner(struct work_struct *work)
* When the radio is shutting down we should
* immediately cease all link tuning.
*/
- if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
+ if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
return;
/*
@@ -431,7 +431,7 @@ static void rt2x00lib_intf_scheduled_iter(void *data, u8 *mac,
* note that in the spinlock protected area above the delayed_flags
* have been cleared correctly.
*/
- if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
+ if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
return;
if (delayed_flags & DELAYED_UPDATE_BEACON)
@@ -467,8 +467,8 @@ static void rt2x00lib_beacondone_iter(void *data, u8 *mac,
struct rt2x00_dev *rt2x00dev = data;
struct rt2x00_intf *intf = vif_to_intf(vif);
- if (vif->type != IEEE80211_IF_TYPE_AP &&
- vif->type != IEEE80211_IF_TYPE_IBSS)
+ if (vif->type != NL80211_IFTYPE_AP &&
+ vif->type != NL80211_IFTYPE_ADHOC)
return;
/*
@@ -484,7 +484,7 @@ static void rt2x00lib_beacondone_iter(void *data, u8 *mac,
void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev)
{
- if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
+ if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
return;
ieee80211_iterate_active_interfaces_atomic(rt2x00dev->hw,
@@ -508,6 +508,15 @@ void rt2x00lib_txdone(struct queue_entry *entry,
rt2x00queue_unmap_skb(rt2x00dev, entry->skb);
/*
+ * If the IV/EIV data was stripped from the frame before it was
+ * passed to the hardware, we should now reinsert it again because
+ * mac80211 will expect the the same data to be present it the
+ * frame as it was passed to us.
+ */
+ if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags))
+ rt2x00crypto_tx_insert_iv(entry->skb);
+
+ /*
* Send frame to debugfs immediately, after this call is completed
* we are going to overwrite the skb->cb array.
*/
@@ -563,7 +572,7 @@ void rt2x00lib_txdone(struct queue_entry *entry,
rt2x00dev->ops->lib->init_txentry(rt2x00dev, entry);
- __clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags);
+ clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags);
rt2x00queue_index_inc(entry->queue, Q_INDEX_DONE);
/*
@@ -585,7 +594,7 @@ void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev,
struct ieee80211_supported_band *sband;
struct ieee80211_hdr *hdr;
const struct rt2x00_rate *rate;
- unsigned int header_size;
+ unsigned int header_length;
unsigned int align;
unsigned int i;
int idx = -1;
@@ -613,10 +622,19 @@ void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev,
* The data behind the ieee80211 header must be
* aligned on a 4 byte boundary.
*/
- header_size = ieee80211_get_hdrlen_from_skb(entry->skb);
- align = ((unsigned long)(entry->skb->data + header_size)) & 3;
+ header_length = ieee80211_get_hdrlen_from_skb(entry->skb);
+ align = ((unsigned long)(entry->skb->data + header_length)) & 3;
- if (align) {
+ /*
+ * Hardware might have stripped the IV/EIV/ICV data,
+ * in that case it is possible that the data was
+ * provided seperately (through hardware descriptor)
+ * in which case we should reinsert the data into the frame.
+ */
+ if ((rxdesc.flags & RX_FLAG_IV_STRIPPED)) {
+ rt2x00crypto_rx_insert_iv(entry->skb, align,
+ header_length, &rxdesc);
+ } else if (align) {
skb_push(entry->skb, align);
/* Move entire frame in 1 command */
memmove(entry->skb->data, entry->skb->data + align,
@@ -635,7 +653,7 @@ void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev,
if (((rxdesc.dev_flags & RXDONE_SIGNAL_PLCP) &&
(rate->plcp == rxdesc.signal)) ||
- (!(rxdesc.dev_flags & RXDONE_SIGNAL_PLCP) &&
+ ((rxdesc.dev_flags & RXDONE_SIGNAL_BITRATE) &&
(rate->bitrate == rxdesc.signal))) {
idx = i;
break;
@@ -657,6 +675,10 @@ void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev,
(rxdesc.dev_flags & RXDONE_MY_BSS))
rt2x00lib_update_link_stats(&rt2x00dev->link, rxdesc.rssi);
+ rt2x00debug_update_crypto(rt2x00dev,
+ rxdesc.cipher,
+ rxdesc.cipher_status);
+
rt2x00dev->link.qual.rx_success++;
rx_status->mactime = rxdesc.timestamp;
@@ -796,7 +818,6 @@ static int rt2x00lib_probe_hw_modes(struct rt2x00_dev *rt2x00dev,
struct ieee80211_rate *rates;
unsigned int num_rates;
unsigned int i;
- unsigned char tx_power;
num_rates = 0;
if (spec->supported_rates & SUPPORT_RATE_CCK)
@@ -822,20 +843,9 @@ static int rt2x00lib_probe_hw_modes(struct rt2x00_dev *rt2x00dev,
* Initialize Channel list.
*/
for (i = 0; i < spec->num_channels; i++) {
- if (spec->channels[i].channel <= 14) {
- if (spec->tx_power_bg)
- tx_power = spec->tx_power_bg[i];
- else
- tx_power = spec->tx_power_default;
- } else {
- if (spec->tx_power_a)
- tx_power = spec->tx_power_a[i];
- else
- tx_power = spec->tx_power_default;
- }
-
rt2x00lib_channel(&channels[i],
- spec->channels[i].channel, tx_power, i);
+ spec->channels[i].channel,
+ spec->channels_info[i].tx_power1, i);
}
/*
@@ -878,7 +888,7 @@ static int rt2x00lib_probe_hw_modes(struct rt2x00_dev *rt2x00dev,
static void rt2x00lib_remove_hw(struct rt2x00_dev *rt2x00dev)
{
- if (test_bit(DEVICE_REGISTERED_HW, &rt2x00dev->flags))
+ if (test_bit(DEVICE_STATE_REGISTERED_HW, &rt2x00dev->flags))
ieee80211_unregister_hw(rt2x00dev->hw);
if (likely(rt2x00dev->hw->wiphy->bands[IEEE80211_BAND_2GHZ])) {
@@ -887,6 +897,8 @@ static void rt2x00lib_remove_hw(struct rt2x00_dev *rt2x00dev)
rt2x00dev->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
rt2x00dev->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
}
+
+ kfree(rt2x00dev->spec.channels_info);
}
static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev)
@@ -894,6 +906,9 @@ static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev)
struct hw_mode_spec *spec = &rt2x00dev->spec;
int status;
+ if (test_bit(DEVICE_STATE_REGISTERED_HW, &rt2x00dev->flags))
+ return 0;
+
/*
* Initialize HW modes.
*/
@@ -915,7 +930,7 @@ static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev)
return status;
}
- __set_bit(DEVICE_REGISTERED_HW, &rt2x00dev->flags);
+ set_bit(DEVICE_STATE_REGISTERED_HW, &rt2x00dev->flags);
return 0;
}
@@ -925,7 +940,7 @@ static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev)
*/
static void rt2x00lib_uninitialize(struct rt2x00_dev *rt2x00dev)
{
- if (!__test_and_clear_bit(DEVICE_INITIALIZED, &rt2x00dev->flags))
+ if (!test_and_clear_bit(DEVICE_STATE_INITIALIZED, &rt2x00dev->flags))
return;
/*
@@ -948,7 +963,7 @@ static int rt2x00lib_initialize(struct rt2x00_dev *rt2x00dev)
{
int status;
- if (test_bit(DEVICE_INITIALIZED, &rt2x00dev->flags))
+ if (test_bit(DEVICE_STATE_INITIALIZED, &rt2x00dev->flags))
return 0;
/*
@@ -967,7 +982,7 @@ static int rt2x00lib_initialize(struct rt2x00_dev *rt2x00dev)
return status;
}
- __set_bit(DEVICE_INITIALIZED, &rt2x00dev->flags);
+ set_bit(DEVICE_STATE_INITIALIZED, &rt2x00dev->flags);
/*
* Register the extra components.
@@ -981,7 +996,7 @@ int rt2x00lib_start(struct rt2x00_dev *rt2x00dev)
{
int retval;
- if (test_bit(DEVICE_STARTED, &rt2x00dev->flags))
+ if (test_bit(DEVICE_STATE_STARTED, &rt2x00dev->flags))
return 0;
/*
@@ -999,28 +1014,18 @@ int rt2x00lib_start(struct rt2x00_dev *rt2x00dev)
if (retval)
return retval;
- /*
- * Enable radio.
- */
- retval = rt2x00lib_enable_radio(rt2x00dev);
- if (retval) {
- rt2x00lib_uninitialize(rt2x00dev);
- return retval;
- }
-
rt2x00dev->intf_ap_count = 0;
rt2x00dev->intf_sta_count = 0;
rt2x00dev->intf_associated = 0;
- __set_bit(DEVICE_STARTED, &rt2x00dev->flags);
- __set_bit(DEVICE_DIRTY_CONFIG, &rt2x00dev->flags);
+ set_bit(DEVICE_STATE_STARTED, &rt2x00dev->flags);
return 0;
}
void rt2x00lib_stop(struct rt2x00_dev *rt2x00dev)
{
- if (!test_bit(DEVICE_STARTED, &rt2x00dev->flags))
+ if (!test_and_clear_bit(DEVICE_STATE_STARTED, &rt2x00dev->flags))
return;
/*
@@ -1032,8 +1037,6 @@ void rt2x00lib_stop(struct rt2x00_dev *rt2x00dev)
rt2x00dev->intf_ap_count = 0;
rt2x00dev->intf_sta_count = 0;
rt2x00dev->intf_associated = 0;
-
- __clear_bit(DEVICE_STARTED, &rt2x00dev->flags);
}
/*
@@ -1049,6 +1052,11 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)
*/
rt2x00dev->hw->vif_data_size = sizeof(struct rt2x00_intf);
+ rt2x00dev->hw->wiphy->interface_modes =
+ BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_ADHOC);
+
/*
* Let the driver probe the device to detect the capabilities.
*/
@@ -1088,7 +1096,7 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev)
rt2x00rfkill_allocate(rt2x00dev);
rt2x00debug_register(rt2x00dev);
- __set_bit(DEVICE_PRESENT, &rt2x00dev->flags);
+ set_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags);
return 0;
@@ -1101,7 +1109,7 @@ EXPORT_SYMBOL_GPL(rt2x00lib_probe_dev);
void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev)
{
- __clear_bit(DEVICE_PRESENT, &rt2x00dev->flags);
+ clear_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags);
/*
* Disable radio.
@@ -1146,14 +1154,15 @@ int rt2x00lib_suspend(struct rt2x00_dev *rt2x00dev, pm_message_t state)
int retval;
NOTICE(rt2x00dev, "Going to sleep.\n");
- __clear_bit(DEVICE_PRESENT, &rt2x00dev->flags);
/*
* Only continue if mac80211 has open interfaces.
*/
- if (!test_bit(DEVICE_STARTED, &rt2x00dev->flags))
+ if (!test_and_clear_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags) ||
+ !test_bit(DEVICE_STATE_STARTED, &rt2x00dev->flags))
goto exit;
- __set_bit(DEVICE_STARTED_SUSPEND, &rt2x00dev->flags);
+
+ set_bit(DEVICE_STATE_STARTED_SUSPEND, &rt2x00dev->flags);
/*
* Disable radio.
@@ -1203,8 +1212,8 @@ static void rt2x00lib_resume_intf(void *data, u8 *mac,
/*
* Master or Ad-hoc mode require a new beacon update.
*/
- if (vif->type == IEEE80211_IF_TYPE_AP ||
- vif->type == IEEE80211_IF_TYPE_IBSS)
+ if (vif->type == NL80211_IFTYPE_AP ||
+ vif->type == NL80211_IFTYPE_ADHOC)
intf->delayed_flags |= DELAYED_UPDATE_BEACON;
spin_unlock(&intf->lock);
@@ -1225,7 +1234,7 @@ int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev)
/*
* Only continue if mac80211 had open interfaces.
*/
- if (!__test_and_clear_bit(DEVICE_STARTED_SUSPEND, &rt2x00dev->flags))
+ if (!test_and_clear_bit(DEVICE_STATE_STARTED_SUSPEND, &rt2x00dev->flags))
return 0;
/*
@@ -1252,7 +1261,7 @@ int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev)
/*
* We are ready again to receive requests from mac80211.
*/
- __set_bit(DEVICE_PRESENT, &rt2x00dev->flags);
+ set_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags);
/*
* It is possible that during that mac80211 has attempted
@@ -1272,7 +1281,7 @@ int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev)
return 0;
exit:
- rt2x00lib_disable_radio(rt2x00dev);
+ rt2x00lib_stop(rt2x00dev);
rt2x00lib_uninitialize(rt2x00dev);
rt2x00debug_deregister(rt2x00dev);