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-rw-r--r--drivers/net/wireless/rt2x00/rt2800.h3
-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.c191
-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.h5
-rw-r--r--drivers/net/wireless/rt2x00/rt2800pci.c15
-rw-r--r--drivers/net/wireless/rt2x00/rt2800usb.c7
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00.h30
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00dev.c21
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00mac.c50
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00queue.c7
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00queue.h5
10 files changed, 259 insertions, 75 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800.h b/drivers/net/wireless/rt2x00/rt2800.h
index c69a7d7..4778620 100644
--- a/drivers/net/wireless/rt2x00/rt2800.h
+++ b/drivers/net/wireless/rt2x00/rt2800.h
@@ -664,6 +664,9 @@
/*
* LED_CFG: LED control
+ * ON_PERIOD: LED active time (ms) during TX (only used for LED mode 1)
+ * OFF_PERIOD: LED inactive time (ms) during TX (only used for LED mode 1)
+ * SLOW_BLINK_PERIOD: LED blink interval in seconds (only used for LED mode 2)
* color LED's:
* 0: off
* 1: blinking upon TX2
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index ef67f67..a5ddb39 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -493,7 +493,7 @@ void rt2800_write_tx_data(struct queue_entry *entry,
rt2x00_set_field32(&word, TXWI_W1_BW_WIN_SIZE, txdesc->u.ht.ba_size);
rt2x00_set_field32(&word, TXWI_W1_WIRELESS_CLI_ID,
test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags) ?
- txdesc->key_idx : 0xff);
+ txdesc->key_idx : txdesc->u.ht.wcid);
rt2x00_set_field32(&word, TXWI_W1_MPDU_TOTAL_BYTE_COUNT,
txdesc->length);
rt2x00_set_field32(&word, TXWI_W1_PACKETID_QUEUE, entry->queue->qid);
@@ -601,7 +601,7 @@ void rt2800_process_rxwi(struct queue_entry *entry,
}
EXPORT_SYMBOL_GPL(rt2800_process_rxwi);
-void rt2800_txdone_entry(struct queue_entry *entry, u32 status)
+void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32 *txwi)
{
struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
@@ -609,13 +609,11 @@ void rt2800_txdone_entry(struct queue_entry *entry, u32 status)
u32 word;
u16 mcs, real_mcs;
int aggr, ampdu;
- __le32 *txwi;
/*
* Obtain the status about this packet.
*/
txdesc.flags = 0;
- txwi = rt2800_drv_get_txwi(entry);
rt2x00_desc_read(txwi, 0, &word);
mcs = rt2x00_get_field32(word, TXWI_W0_MCS);
@@ -899,28 +897,12 @@ static void rt2800_brightness_set(struct led_classdev *led_cdev,
}
}
-static int rt2800_blink_set(struct led_classdev *led_cdev,
- unsigned long *delay_on, unsigned long *delay_off)
-{
- struct rt2x00_led *led =
- container_of(led_cdev, struct rt2x00_led, led_dev);
- u32 reg;
-
- rt2800_register_read(led->rt2x00dev, LED_CFG, &reg);
- rt2x00_set_field32(&reg, LED_CFG_ON_PERIOD, *delay_on);
- rt2x00_set_field32(&reg, LED_CFG_OFF_PERIOD, *delay_off);
- rt2800_register_write(led->rt2x00dev, LED_CFG, reg);
-
- return 0;
-}
-
static void rt2800_init_led(struct rt2x00_dev *rt2x00dev,
struct rt2x00_led *led, enum led_type type)
{
led->rt2x00dev = rt2x00dev;
led->type = type;
led->led_dev.brightness_set = rt2800_brightness_set;
- led->led_dev.blink_set = rt2800_blink_set;
led->flags = LED_INITIALIZED;
}
#endif /* CONFIG_RT2X00_LIB_LEDS */
@@ -928,11 +910,51 @@ static void rt2800_init_led(struct rt2x00_dev *rt2x00dev,
/*
* Configuration handlers.
*/
-static void rt2800_config_wcid_attr(struct rt2x00_dev *rt2x00dev,
- struct rt2x00lib_crypto *crypto,
- struct ieee80211_key_conf *key)
+static void rt2800_config_wcid(struct rt2x00_dev *rt2x00dev,
+ const u8 *address,
+ int wcid)
{
struct mac_wcid_entry wcid_entry;
+ u32 offset;
+
+ offset = MAC_WCID_ENTRY(wcid);
+
+ memset(&wcid_entry, 0xff, sizeof(wcid_entry));
+ if (address)
+ memcpy(wcid_entry.mac, address, ETH_ALEN);
+
+ rt2800_register_multiwrite(rt2x00dev, offset,
+ &wcid_entry, sizeof(wcid_entry));
+}
+
+static void rt2800_delete_wcid_attr(struct rt2x00_dev *rt2x00dev, int wcid)
+{
+ u32 offset;
+ offset = MAC_WCID_ATTR_ENTRY(wcid);
+ rt2800_register_write(rt2x00dev, offset, 0);
+}
+
+static void rt2800_config_wcid_attr_bssidx(struct rt2x00_dev *rt2x00dev,
+ int wcid, u32 bssidx)
+{
+ u32 offset = MAC_WCID_ATTR_ENTRY(wcid);
+ u32 reg;
+
+ /*
+ * The BSS Idx numbers is split in a main value of 3 bits,
+ * and a extended field for adding one additional bit to the value.
+ */
+ rt2800_register_read(rt2x00dev, offset, &reg);
+ rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX, (bssidx & 0x7));
+ rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX_EXT,
+ (bssidx & 0x8) >> 3);
+ rt2800_register_write(rt2x00dev, offset, reg);
+}
+
+static void rt2800_config_wcid_attr_cipher(struct rt2x00_dev *rt2x00dev,
+ struct rt2x00lib_crypto *crypto,
+ struct ieee80211_key_conf *key)
+{
struct mac_iveiv_entry iveiv_entry;
u32 offset;
u32 reg;
@@ -952,14 +974,16 @@ static void rt2800_config_wcid_attr(struct rt2x00_dev *rt2x00dev,
(crypto->cipher & 0x7));
rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER_EXT,
(crypto->cipher & 0x8) >> 3);
- rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX,
- (crypto->bssidx & 0x7));
- rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_BSS_IDX_EXT,
- (crypto->bssidx & 0x8) >> 3);
rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, crypto->cipher);
rt2800_register_write(rt2x00dev, offset, reg);
} else {
- rt2800_register_write(rt2x00dev, offset, 0);
+ /* Delete the cipher without touching the bssidx */
+ rt2800_register_read(rt2x00dev, offset, &reg);
+ rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_KEYTAB, 0);
+ rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER, 0);
+ rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_CIPHER_EXT, 0);
+ rt2x00_set_field32(&reg, MAC_WCID_ATTRIBUTE_RX_WIUDF, 0);
+ rt2800_register_write(rt2x00dev, offset, reg);
}
offset = MAC_IVEIV_ENTRY(key->hw_key_idx);
@@ -972,14 +996,6 @@ static void rt2800_config_wcid_attr(struct rt2x00_dev *rt2x00dev,
iveiv_entry.iv[3] |= key->keyidx << 6;
rt2800_register_multiwrite(rt2x00dev, offset,
&iveiv_entry, sizeof(iveiv_entry));
-
- offset = MAC_WCID_ENTRY(key->hw_key_idx);
-
- memset(&wcid_entry, 0, sizeof(wcid_entry));
- if (crypto->cmd == SET_KEY)
- memcpy(wcid_entry.mac, crypto->address, ETH_ALEN);
- rt2800_register_multiwrite(rt2x00dev, offset,
- &wcid_entry, sizeof(wcid_entry));
}
int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev,
@@ -1026,20 +1042,24 @@ int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev,
/*
* Update WCID information
*/
- rt2800_config_wcid_attr(rt2x00dev, crypto, key);
+ rt2800_config_wcid(rt2x00dev, crypto->address, key->hw_key_idx);
+ rt2800_config_wcid_attr_bssidx(rt2x00dev, key->hw_key_idx,
+ crypto->bssidx);
+ rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key);
return 0;
}
EXPORT_SYMBOL_GPL(rt2800_config_shared_key);
-static inline int rt2800_find_pairwise_keyslot(struct rt2x00_dev *rt2x00dev)
+static inline int rt2800_find_wcid(struct rt2x00_dev *rt2x00dev)
{
+ struct mac_wcid_entry wcid_entry;
int idx;
- u32 offset, reg;
+ u32 offset;
/*
- * Search for the first free pairwise key entry and return the
- * corresponding index.
+ * Search for the first free WCID entry and return the corresponding
+ * index.
*
* Make sure the WCID starts _after_ the last possible shared key
* entry (>32).
@@ -1049,11 +1069,17 @@ static inline int rt2800_find_pairwise_keyslot(struct rt2x00_dev *rt2x00dev)
* first 222 entries.
*/
for (idx = 33; idx <= 222; idx++) {
- offset = MAC_WCID_ATTR_ENTRY(idx);
- rt2800_register_read(rt2x00dev, offset, &reg);
- if (!reg)
+ offset = MAC_WCID_ENTRY(idx);
+ rt2800_register_multiread(rt2x00dev, offset, &wcid_entry,
+ sizeof(wcid_entry));
+ if (is_broadcast_ether_addr(wcid_entry.mac))
return idx;
}
+
+ /*
+ * Use -1 to indicate that we don't have any more space in the WCID
+ * table.
+ */
return -1;
}
@@ -1063,13 +1089,15 @@ int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
{
struct hw_key_entry key_entry;
u32 offset;
- int idx;
if (crypto->cmd == SET_KEY) {
- idx = rt2800_find_pairwise_keyslot(rt2x00dev);
- if (idx < 0)
+ /*
+ * Allow key configuration only for STAs that are
+ * known by the hw.
+ */
+ if (crypto->wcid < 0)
return -ENOSPC;
- key->hw_key_idx = idx;
+ key->hw_key_idx = crypto->wcid;
memcpy(key_entry.key, crypto->key,
sizeof(key_entry.key));
@@ -1086,12 +1114,59 @@ int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
/*
* Update WCID information
*/
- rt2800_config_wcid_attr(rt2x00dev, crypto, key);
+ rt2800_config_wcid_attr_cipher(rt2x00dev, crypto, key);
return 0;
}
EXPORT_SYMBOL_GPL(rt2800_config_pairwise_key);
+int rt2800_sta_add(struct rt2x00_dev *rt2x00dev, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ int wcid;
+ struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta);
+
+ /*
+ * Find next free WCID.
+ */
+ wcid = rt2800_find_wcid(rt2x00dev);
+
+ /*
+ * Store selected wcid even if it is invalid so that we can
+ * later decide if the STA is uploaded into the hw.
+ */
+ sta_priv->wcid = wcid;
+
+ /*
+ * No space left in the device, however, we can still communicate
+ * with the STA -> No error.
+ */
+ if (wcid < 0)
+ return 0;
+
+ /*
+ * Clean up WCID attributes and write STA address to the device.
+ */
+ rt2800_delete_wcid_attr(rt2x00dev, wcid);
+ rt2800_config_wcid(rt2x00dev, sta->addr, wcid);
+ rt2800_config_wcid_attr_bssidx(rt2x00dev, wcid,
+ rt2x00lib_get_bssidx(rt2x00dev, vif));
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rt2800_sta_add);
+
+int rt2800_sta_remove(struct rt2x00_dev *rt2x00dev, int wcid)
+{
+ /*
+ * Remove WCID entry, no need to clean the attributes as they will
+ * get renewed when the WCID is reused.
+ */
+ rt2800_config_wcid(rt2x00dev, NULL, wcid);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rt2800_sta_remove);
+
void rt2800_config_filter(struct rt2x00_dev *rt2x00dev,
const unsigned int filter_flags)
{
@@ -2771,11 +2846,8 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
SHARED_KEY_MODE_ENTRY(i), 0);
for (i = 0; i < 256; i++) {
- static const u32 wcid[2] = { 0xffffffff, 0x00ffffff };
- rt2800_register_multiwrite(rt2x00dev, MAC_WCID_ENTRY(i),
- wcid, sizeof(wcid));
-
- rt2800_register_write(rt2x00dev, MAC_WCID_ATTR_ENTRY(i), 0);
+ rt2800_config_wcid(rt2x00dev, NULL, i);
+ rt2800_delete_wcid_attr(rt2x00dev, i);
rt2800_register_write(rt2x00dev, MAC_IVEIV_ENTRY(i), 0);
}
@@ -4409,8 +4481,19 @@ int rt2800_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, u16 tid, u16 *ssn,
u8 buf_size)
{
+ struct rt2x00_sta *sta_priv = (struct rt2x00_sta *)sta->drv_priv;
int ret = 0;
+ /*
+ * Don't allow aggregation for stations the hardware isn't aware
+ * of because tx status reports for frames to an unknown station
+ * always contain wcid=255 and thus we can't distinguish between
+ * multiple stations which leads to unwanted situations when the
+ * hw reorders frames due to aggregation.
+ */
+ if (sta_priv->wcid < 0)
+ return 1;
+
switch (action) {
case IEEE80211_AMPDU_RX_START:
case IEEE80211_AMPDU_RX_STOP:
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.h b/drivers/net/wireless/rt2x00/rt2800lib.h
index 69deb31..7a2511f 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.h
+++ b/drivers/net/wireless/rt2x00/rt2800lib.h
@@ -152,7 +152,7 @@ void rt2800_write_tx_data(struct queue_entry *entry,
struct txentry_desc *txdesc);
void rt2800_process_rxwi(struct queue_entry *entry, struct rxdone_entry_desc *txdesc);
-void rt2800_txdone_entry(struct queue_entry *entry, u32 status);
+void rt2800_txdone_entry(struct queue_entry *entry, u32 status, __le32* txwi);
void rt2800_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc);
void rt2800_clear_beacon(struct queue_entry *entry);
@@ -166,6 +166,9 @@ int rt2800_config_shared_key(struct rt2x00_dev *rt2x00dev,
int rt2800_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
struct rt2x00lib_crypto *crypto,
struct ieee80211_key_conf *key);
+int rt2800_sta_add(struct rt2x00_dev *rt2x00dev, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta);
+int rt2800_sta_remove(struct rt2x00_dev *rt2x00dev, int wcid);
void rt2800_config_filter(struct rt2x00_dev *rt2x00dev,
const unsigned int filter_flags);
void rt2800_config_intf(struct rt2x00_dev *rt2x00dev, struct rt2x00_intf *intf,
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index cabf249..da48c8a 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -619,11 +619,11 @@ static void rt2800pci_write_tx_desc(struct queue_entry *entry,
/*
* Initialize TX descriptor
*/
- rt2x00_desc_read(txd, 0, &word);
+ word = 0;
rt2x00_set_field32(&word, TXD_W0_SD_PTR0, skbdesc->skb_dma);
rt2x00_desc_write(txd, 0, word);
- rt2x00_desc_read(txd, 1, &word);
+ word = 0;
rt2x00_set_field32(&word, TXD_W1_SD_LEN1, entry->skb->len);
rt2x00_set_field32(&word, TXD_W1_LAST_SEC1,
!test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
@@ -634,12 +634,12 @@ static void rt2800pci_write_tx_desc(struct queue_entry *entry,
rt2x00_set_field32(&word, TXD_W1_DMA_DONE, 0);
rt2x00_desc_write(txd, 1, word);
- rt2x00_desc_read(txd, 2, &word);
+ word = 0;
rt2x00_set_field32(&word, TXD_W2_SD_PTR1,
skbdesc->skb_dma + TXWI_DESC_SIZE);
rt2x00_desc_write(txd, 2, word);
- rt2x00_desc_read(txd, 3, &word);
+ word = 0;
rt2x00_set_field32(&word, TXD_W3_WIV,
!test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
rt2x00_set_field32(&word, TXD_W3_QSEL, 2);
@@ -760,7 +760,7 @@ static bool rt2800pci_txdone(struct rt2x00_dev *rt2x00dev)
}
entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
- rt2800_txdone_entry(entry, status);
+ rt2800_txdone_entry(entry, status, rt2800pci_get_txwi(entry));
if (--max_tx_done == 0)
break;
@@ -1015,6 +1015,8 @@ static const struct ieee80211_ops rt2800pci_mac80211_ops = {
.get_stats = rt2x00mac_get_stats,
.get_tkip_seq = rt2800_get_tkip_seq,
.set_rts_threshold = rt2800_set_rts_threshold,
+ .sta_add = rt2x00mac_sta_add,
+ .sta_remove = rt2x00mac_sta_remove,
.bss_info_changed = rt2x00mac_bss_info_changed,
.conf_tx = rt2800_conf_tx,
.get_tsf = rt2800_get_tsf,
@@ -1076,6 +1078,8 @@ static const struct rt2x00lib_ops rt2800pci_rt2x00_ops = {
.config_erp = rt2800_config_erp,
.config_ant = rt2800_config_ant,
.config = rt2800_config,
+ .sta_add = rt2800_sta_add,
+ .sta_remove = rt2800_sta_remove,
};
static const struct data_queue_desc rt2800pci_queue_rx = {
@@ -1153,6 +1157,7 @@ static DEFINE_PCI_DEVICE_TABLE(rt2800pci_device_table) = {
#endif
#ifdef CONFIG_RT2800PCI_RT53XX
{ PCI_DEVICE(0x1814, 0x5390) },
+ { PCI_DEVICE(0x1814, 0x539a) },
{ PCI_DEVICE(0x1814, 0x539f) },
#endif
{ 0, }
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 9395631..677b5ab 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -534,7 +534,8 @@ static void rt2800usb_txdone(struct rt2x00_dev *rt2x00dev)
if (!entry || rt2x00queue_empty(queue))
break;
- rt2800_txdone_entry(entry, reg);
+ rt2800_txdone_entry(entry, reg,
+ rt2800usb_get_txwi(entry));
}
}
@@ -749,6 +750,8 @@ static const struct ieee80211_ops rt2800usb_mac80211_ops = {
.get_stats = rt2x00mac_get_stats,
.get_tkip_seq = rt2800_get_tkip_seq,
.set_rts_threshold = rt2800_set_rts_threshold,
+ .sta_add = rt2x00mac_sta_add,
+ .sta_remove = rt2x00mac_sta_remove,
.bss_info_changed = rt2x00mac_bss_info_changed,
.conf_tx = rt2800_conf_tx,
.get_tsf = rt2800_get_tsf,
@@ -806,6 +809,8 @@ static const struct rt2x00lib_ops rt2800usb_rt2x00_ops = {
.config_erp = rt2800_config_erp,
.config_ant = rt2800_config_ant,
.config = rt2800_config,
+ .sta_add = rt2800_sta_add,
+ .sta_remove = rt2800_sta_remove,
};
static const struct data_queue_desc rt2800usb_queue_rx = {
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index f82bfeb..cbf8eb3 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -478,6 +478,8 @@ struct rt2x00lib_crypto {
u8 key[16];
u8 tx_mic[8];
u8 rx_mic[8];
+
+ int wcid;
};
/*
@@ -512,6 +514,19 @@ struct rt2x00intf_conf {
};
/*
+ * Private structure for storing STA details
+ * wcid: Wireless Client ID
+ */
+struct rt2x00_sta {
+ int wcid;
+};
+
+static inline struct rt2x00_sta* sta_to_rt2x00_sta(struct ieee80211_sta *sta)
+{
+ return (struct rt2x00_sta *)sta->drv_priv;
+}
+
+/*
* rt2x00lib callback functions.
*/
struct rt2x00lib_ops {
@@ -620,6 +635,11 @@ struct rt2x00lib_ops {
void (*config) (struct rt2x00_dev *rt2x00dev,
struct rt2x00lib_conf *libconf,
const unsigned int changed_flags);
+ int (*sta_add) (struct rt2x00_dev *rt2x00dev,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta);
+ int (*sta_remove) (struct rt2x00_dev *rt2x00dev,
+ int wcid);
};
/*
@@ -1226,6 +1246,12 @@ static inline void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev,
#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
/*
+ * Utility functions.
+ */
+u32 rt2x00lib_get_bssidx(struct rt2x00_dev *rt2x00dev,
+ struct ieee80211_vif *vif);
+
+/*
* Interrupt context handlers.
*/
void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev);
@@ -1261,6 +1287,10 @@ int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
#else
#define rt2x00mac_set_key NULL
#endif /* CONFIG_RT2X00_LIB_CRYPTO */
+int rt2x00mac_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta);
+int rt2x00mac_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta);
void rt2x00mac_sw_scan_start(struct ieee80211_hw *hw);
void rt2x00mac_sw_scan_complete(struct ieee80211_hw *hw);
int rt2x00mac_get_stats(struct ieee80211_hw *hw,
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 92ff6a7..e1fb2a8 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -33,6 +33,22 @@
#include "rt2x00lib.h"
/*
+ * Utility functions.
+ */
+u32 rt2x00lib_get_bssidx(struct rt2x00_dev *rt2x00dev,
+ struct ieee80211_vif *vif)
+{
+ /*
+ * When in STA mode, bssidx is always 0 otherwise local_address[5]
+ * contains the bss number, see BSS_ID_MASK comments for details.
+ */
+ if (rt2x00dev->intf_sta_count)
+ return 0;
+ return vif->addr[5] & (rt2x00dev->ops->max_ap_intf - 1);
+}
+EXPORT_SYMBOL_GPL(rt2x00lib_get_bssidx);
+
+/*
* Radio control handlers.
*/
int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev)
@@ -915,6 +931,11 @@ static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev)
rt2x00dev->hw->extra_tx_headroom += RT2X00_ALIGN_SIZE;
/*
+ * Tell mac80211 about the size of our private STA structure.
+ */
+ rt2x00dev->hw->sta_data_size = sizeof(struct rt2x00_sta);
+
+ /*
* Allocate tx status FIFO for driver use.
*/
if (test_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags)) {
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index 4ccf238..cef1c87 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -494,6 +494,7 @@ int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
struct rt2x00lib_crypto crypto;
static const u8 bcast_addr[ETH_ALEN] =
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, };
+ struct rt2x00_sta *sta_priv = NULL;
if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
return 0;
@@ -504,24 +505,18 @@ int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
memset(&crypto, 0, sizeof(crypto));
- /*
- * When in STA mode, bssidx is always 0 otherwise local_address[5]
- * contains the bss number, see BSS_ID_MASK comments for details.
- */
- if (rt2x00dev->intf_sta_count)
- crypto.bssidx = 0;
- else
- crypto.bssidx = vif->addr[5] & (rt2x00dev->ops->max_ap_intf - 1);
-
+ crypto.bssidx = rt2x00lib_get_bssidx(rt2x00dev, vif);
crypto.cipher = rt2x00crypto_key_to_cipher(key);
if (crypto.cipher == CIPHER_NONE)
return -EOPNOTSUPP;
crypto.cmd = cmd;
- if (sta)
+ if (sta) {
crypto.address = sta->addr;
- else
+ sta_priv = sta_to_rt2x00_sta(sta);
+ crypto.wcid = sta_priv->wcid;
+ } else
crypto.address = bcast_addr;
if (crypto.cipher == CIPHER_TKIP)
@@ -560,6 +555,39 @@ int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
EXPORT_SYMBOL_GPL(rt2x00mac_set_key);
#endif /* CONFIG_RT2X00_LIB_CRYPTO */
+int rt2x00mac_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta);
+
+ /*
+ * If there's no space left in the device table store
+ * -1 as wcid but tell mac80211 everything went ok.
+ */
+ if (rt2x00dev->ops->lib->sta_add(rt2x00dev, vif, sta))
+ sta_priv->wcid = -1;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rt2x00mac_sta_add);
+
+int rt2x00mac_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct rt2x00_dev *rt2x00dev = hw->priv;
+ struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta);
+
+ /*
+ * If we never sent the STA to the device no need to clean it up.
+ */
+ if (sta_priv->wcid < 0)
+ return 0;
+
+ return rt2x00dev->ops->lib->sta_remove(rt2x00dev, sta_priv->wcid);
+}
+EXPORT_SYMBOL_GPL(rt2x00mac_sta_remove);
+
void rt2x00mac_sw_scan_start(struct ieee80211_hw *hw)
{
struct rt2x00_dev *rt2x00dev = hw->priv;
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
index 29edb9f..5adfb3e 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
@@ -310,11 +310,16 @@ static void rt2x00queue_create_tx_descriptor_ht(struct rt2x00_dev *rt2x00dev,
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ieee80211_tx_rate *txrate = &tx_info->control.rates[0];
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ struct rt2x00_sta *sta_priv = NULL;
- if (tx_info->control.sta)
+ if (tx_info->control.sta) {
txdesc->u.ht.mpdu_density =
tx_info->control.sta->ht_cap.ampdu_density;
+ sta_priv = sta_to_rt2x00_sta(tx_info->control.sta);
+ txdesc->u.ht.wcid = sta_priv->wcid;
+ }
+
txdesc->u.ht.ba_size = 7; /* FIXME: What value is needed? */
/*
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.h b/drivers/net/wireless/rt2x00/rt2x00queue.h
index f2100f4..349008d 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.h
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.h
@@ -288,8 +288,8 @@ enum txentry_desc_flags {
* @signal: PLCP signal.
* @service: PLCP service.
* @msc: MCS.
- * @stbc: STBC.
- * @ba_size: BA size.
+ * @stbc: Use Space Time Block Coding (only available for MCS rates < 8).
+ * @ba_size: Size of the recepients RX reorder buffer - 1.
* @rate_mode: Rate mode (See @enum rate_modulation).
* @mpdu_density: MDPU density.
* @retry_limit: Max number of retries.
@@ -321,6 +321,7 @@ struct txentry_desc {
u8 ba_size;
u8 mpdu_density;
enum txop txop;
+ int wcid;
} ht;
} u;