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path: root/drivers/net/wireless/rt2x00/rt73usb.c
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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt73usb.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt73usb.c128
1 files changed, 58 insertions, 70 deletions
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index bb58d797fb72..e35bd19c3c5a 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -861,15 +861,15 @@ static void rt73usb_config_ps(struct rt2x00_dev *rt2x00dev,
861 rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0, 861 rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
862 USB_MODE_SLEEP, REGISTER_TIMEOUT); 862 USB_MODE_SLEEP, REGISTER_TIMEOUT);
863 } else { 863 } else {
864 rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
865 USB_MODE_WAKEUP, REGISTER_TIMEOUT);
866
867 rt2x00usb_register_read(rt2x00dev, MAC_CSR11, &reg); 864 rt2x00usb_register_read(rt2x00dev, MAC_CSR11, &reg);
868 rt2x00_set_field32(&reg, MAC_CSR11_DELAY_AFTER_TBCN, 0); 865 rt2x00_set_field32(&reg, MAC_CSR11_DELAY_AFTER_TBCN, 0);
869 rt2x00_set_field32(&reg, MAC_CSR11_TBCN_BEFORE_WAKEUP, 0); 866 rt2x00_set_field32(&reg, MAC_CSR11_TBCN_BEFORE_WAKEUP, 0);
870 rt2x00_set_field32(&reg, MAC_CSR11_AUTOWAKE, 0); 867 rt2x00_set_field32(&reg, MAC_CSR11_AUTOWAKE, 0);
871 rt2x00_set_field32(&reg, MAC_CSR11_WAKEUP_LATENCY, 0); 868 rt2x00_set_field32(&reg, MAC_CSR11_WAKEUP_LATENCY, 0);
872 rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg); 869 rt2x00usb_register_write(rt2x00dev, MAC_CSR11, reg);
870
871 rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE, 0,
872 USB_MODE_WAKEUP, REGISTER_TIMEOUT);
873 } 873 }
874} 874}
875 875
@@ -1441,12 +1441,38 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
1441 struct txentry_desc *txdesc) 1441 struct txentry_desc *txdesc)
1442{ 1442{
1443 struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); 1443 struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
1444 __le32 *txd = skbdesc->desc; 1444 __le32 *txd = (__le32 *)(skb->data - TXD_DESC_SIZE);
1445 u32 word; 1445 u32 word;
1446 1446
1447 /* 1447 /*
1448 * Start writing the descriptor words. 1448 * Start writing the descriptor words.
1449 */ 1449 */
1450 rt2x00_desc_read(txd, 0, &word);
1451 rt2x00_set_field32(&word, TXD_W0_BURST,
1452 test_bit(ENTRY_TXD_BURST, &txdesc->flags));
1453 rt2x00_set_field32(&word, TXD_W0_VALID, 1);
1454 rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
1455 test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
1456 rt2x00_set_field32(&word, TXD_W0_ACK,
1457 test_bit(ENTRY_TXD_ACK, &txdesc->flags));
1458 rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1459 test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
1460 rt2x00_set_field32(&word, TXD_W0_OFDM,
1461 (txdesc->rate_mode == RATE_MODE_OFDM));
1462 rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
1463 rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
1464 test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags));
1465 rt2x00_set_field32(&word, TXD_W0_TKIP_MIC,
1466 test_bit(ENTRY_TXD_ENCRYPT_MMIC, &txdesc->flags));
1467 rt2x00_set_field32(&word, TXD_W0_KEY_TABLE,
1468 test_bit(ENTRY_TXD_ENCRYPT_PAIRWISE, &txdesc->flags));
1469 rt2x00_set_field32(&word, TXD_W0_KEY_INDEX, txdesc->key_idx);
1470 rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, txdesc->length);
1471 rt2x00_set_field32(&word, TXD_W0_BURST2,
1472 test_bit(ENTRY_TXD_BURST, &txdesc->flags));
1473 rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, txdesc->cipher);
1474 rt2x00_desc_write(txd, 0, word);
1475
1450 rt2x00_desc_read(txd, 1, &word); 1476 rt2x00_desc_read(txd, 1, &word);
1451 rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, txdesc->queue); 1477 rt2x00_set_field32(&word, TXD_W1_HOST_Q_ID, txdesc->queue);
1452 rt2x00_set_field32(&word, TXD_W1_AIFSN, txdesc->aifs); 1478 rt2x00_set_field32(&word, TXD_W1_AIFSN, txdesc->aifs);
@@ -1475,51 +1501,24 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
1475 rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1); 1501 rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1);
1476 rt2x00_desc_write(txd, 5, word); 1502 rt2x00_desc_write(txd, 5, word);
1477 1503
1478 rt2x00_desc_read(txd, 0, &word); 1504 /*
1479 rt2x00_set_field32(&word, TXD_W0_BURST, 1505 * Register descriptor details in skb frame descriptor.
1480 test_bit(ENTRY_TXD_BURST, &txdesc->flags)); 1506 */
1481 rt2x00_set_field32(&word, TXD_W0_VALID, 1); 1507 skbdesc->desc = txd;
1482 rt2x00_set_field32(&word, TXD_W0_MORE_FRAG, 1508 skbdesc->desc_len = TXD_DESC_SIZE;
1483 test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
1484 rt2x00_set_field32(&word, TXD_W0_ACK,
1485 test_bit(ENTRY_TXD_ACK, &txdesc->flags));
1486 rt2x00_set_field32(&word, TXD_W0_TIMESTAMP,
1487 test_bit(ENTRY_TXD_REQ_TIMESTAMP, &txdesc->flags));
1488 rt2x00_set_field32(&word, TXD_W0_OFDM,
1489 (txdesc->rate_mode == RATE_MODE_OFDM));
1490 rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
1491 rt2x00_set_field32(&word, TXD_W0_RETRY_MODE,
1492 test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags));
1493 rt2x00_set_field32(&word, TXD_W0_TKIP_MIC,
1494 test_bit(ENTRY_TXD_ENCRYPT_MMIC, &txdesc->flags));
1495 rt2x00_set_field32(&word, TXD_W0_KEY_TABLE,
1496 test_bit(ENTRY_TXD_ENCRYPT_PAIRWISE, &txdesc->flags));
1497 rt2x00_set_field32(&word, TXD_W0_KEY_INDEX, txdesc->key_idx);
1498 rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skb->len);
1499 rt2x00_set_field32(&word, TXD_W0_BURST2,
1500 test_bit(ENTRY_TXD_BURST, &txdesc->flags));
1501 rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, txdesc->cipher);
1502 rt2x00_desc_write(txd, 0, word);
1503} 1509}
1504 1510
1505/* 1511/*
1506 * TX data initialization 1512 * TX data initialization
1507 */ 1513 */
1508static void rt73usb_write_beacon(struct queue_entry *entry) 1514static void rt73usb_write_beacon(struct queue_entry *entry,
1515 struct txentry_desc *txdesc)
1509{ 1516{
1510 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; 1517 struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
1511 struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
1512 unsigned int beacon_base; 1518 unsigned int beacon_base;
1513 u32 reg; 1519 u32 reg;
1514 1520
1515 /* 1521 /*
1516 * Add the descriptor in front of the skb.
1517 */
1518 skb_push(entry->skb, entry->queue->desc_size);
1519 memcpy(entry->skb->data, skbdesc->desc, skbdesc->desc_len);
1520 skbdesc->desc = entry->skb->data;
1521
1522 /*
1523 * Disable beaconing while we are reloading the beacon data, 1522 * Disable beaconing while we are reloading the beacon data,
1524 * otherwise we might be sending out invalid data. 1523 * otherwise we might be sending out invalid data.
1525 */ 1524 */
@@ -1528,6 +1527,11 @@ static void rt73usb_write_beacon(struct queue_entry *entry)
1528 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg); 1527 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1529 1528
1530 /* 1529 /*
1530 * Take the descriptor in front of the skb into account.
1531 */
1532 skb_push(entry->skb, TXD_DESC_SIZE);
1533
1534 /*
1531 * Write entire beacon with descriptor to register. 1535 * Write entire beacon with descriptor to register.
1532 */ 1536 */
1533 beacon_base = HW_BEACON_OFFSET(entry->entry_idx); 1537 beacon_base = HW_BEACON_OFFSET(entry->entry_idx);
@@ -1537,6 +1541,19 @@ static void rt73usb_write_beacon(struct queue_entry *entry)
1537 REGISTER_TIMEOUT32(entry->skb->len)); 1541 REGISTER_TIMEOUT32(entry->skb->len));
1538 1542
1539 /* 1543 /*
1544 * Enable beaconing again.
1545 *
1546 * For Wi-Fi faily generated beacons between participating stations.
1547 * Set TBTT phase adaptive adjustment step to 8us (default 16us)
1548 */
1549 rt2x00usb_register_write(rt2x00dev, TXRX_CSR10, 0x00001008);
1550
1551 rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
1552 rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 1);
1553 rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 1);
1554 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1555
1556 /*
1540 * Clean up the beacon skb. 1557 * Clean up the beacon skb.
1541 */ 1558 */
1542 dev_kfree_skb(entry->skb); 1559 dev_kfree_skb(entry->skb);
@@ -1557,31 +1574,6 @@ static int rt73usb_get_tx_data_len(struct queue_entry *entry)
1557 return length; 1574 return length;
1558} 1575}
1559 1576
1560static void rt73usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
1561 const enum data_queue_qid queue)
1562{
1563 u32 reg;
1564
1565 if (queue != QID_BEACON) {
1566 rt2x00usb_kick_tx_queue(rt2x00dev, queue);
1567 return;
1568 }
1569
1570 /*
1571 * For Wi-Fi faily generated beacons between participating stations.
1572 * Set TBTT phase adaptive adjustment step to 8us (default 16us)
1573 */
1574 rt2x00usb_register_write(rt2x00dev, TXRX_CSR10, 0x00001008);
1575
1576 rt2x00usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
1577 if (!rt2x00_get_field32(reg, TXRX_CSR9_BEACON_GEN)) {
1578 rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
1579 rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 1);
1580 rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 1);
1581 rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg);
1582 }
1583}
1584
1585/* 1577/*
1586 * RX control handlers 1578 * RX control handlers
1587 */ 1579 */
@@ -1645,12 +1637,8 @@ static void rt73usb_fill_rxdone(struct queue_entry *entry,
1645 if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR)) 1637 if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
1646 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC; 1638 rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
1647 1639
1648 if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) { 1640 rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER_ALG);
1649 rxdesc->cipher = 1641 rxdesc->cipher_status = rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR);
1650 rt2x00_get_field32(word0, RXD_W0_CIPHER_ALG);
1651 rxdesc->cipher_status =
1652 rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR);
1653 }
1654 1642
1655 if (rxdesc->cipher != CIPHER_NONE) { 1643 if (rxdesc->cipher != CIPHER_NONE) {
1656 _rt2x00_desc_read(rxd, 2, &rxdesc->iv[0]); 1644 _rt2x00_desc_read(rxd, 2, &rxdesc->iv[0]);
@@ -2266,7 +2254,7 @@ static const struct rt2x00lib_ops rt73usb_rt2x00_ops = {
2266 .write_tx_data = rt2x00usb_write_tx_data, 2254 .write_tx_data = rt2x00usb_write_tx_data,
2267 .write_beacon = rt73usb_write_beacon, 2255 .write_beacon = rt73usb_write_beacon,
2268 .get_tx_data_len = rt73usb_get_tx_data_len, 2256 .get_tx_data_len = rt73usb_get_tx_data_len,
2269 .kick_tx_queue = rt73usb_kick_tx_queue, 2257 .kick_tx_queue = rt2x00usb_kick_tx_queue,
2270 .kill_tx_queue = rt2x00usb_kill_tx_queue, 2258 .kill_tx_queue = rt2x00usb_kill_tx_queue,
2271 .fill_rxdone = rt73usb_fill_rxdone, 2259 .fill_rxdone = rt73usb_fill_rxdone,
2272 .config_shared_key = rt73usb_config_shared_key, 2260 .config_shared_key = rt73usb_config_shared_key,