From 78b8f3b0ddb061af1e3907f9c4bca76eae39f79f Mon Sep 17 00:00:00 2001 From: Gertjan van Wingerde Date: Sat, 8 May 2010 23:40:20 +0200 Subject: rt2x00: Don't check whether hardware crypto is enabled when reading RXD. We should simply follow what the hardware told us it has done. Signed-off-by: Gertjan van Wingerde Acked-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2500usb.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) (limited to 'drivers/net/wireless/rt2x00/rt2500usb.c') diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index c6e6e7b..f90b308 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1213,11 +1213,9 @@ static void rt2500usb_fill_rxdone(struct queue_entry *entry, if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR)) rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC; - if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) { - rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER); - if (rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR)) - rxdesc->cipher_status = RX_CRYPTO_FAIL_KEY; - } + rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER); + if (rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR)) + rxdesc->cipher_status = RX_CRYPTO_FAIL_KEY; if (rxdesc->cipher != CIPHER_NONE) { _rt2x00_desc_read(rxd, 2, &rxdesc->iv[0]); -- cgit v1.1 From d61cb26696e19494c049297def6c8f37d9e2f534 Mon Sep 17 00:00:00 2001 From: Gertjan van Wingerde Date: Sat, 8 May 2010 23:40:24 +0200 Subject: rt2x00: Clean up all driver's kick_tx_queue callback functions. All of the driver's kick_tx_queue callback functions treat the TX queue for beacons in a special manner. Clean this up by integrating the kicking of the beacon queue into the write_beacon callback function, and let the generic code no longer call the kick_tx_queue callback function when updating the beacon. Signed-off-by: Gertjan van Wingerde Acked-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2500usb.c | 55 +++++++++++++-------------------- 1 file changed, 22 insertions(+), 33 deletions(-) (limited to 'drivers/net/wireless/rt2x00/rt2500usb.c') diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index f90b308..5ee9b9f 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1090,7 +1090,7 @@ static void rt2500usb_write_beacon(struct queue_entry *entry) struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); int pipe = usb_sndbulkpipe(usb_dev, entry->queue->usb_endpoint); int length; - u16 reg; + u16 reg, reg0; /* * Add the descriptor in front of the skb. @@ -1132,6 +1132,26 @@ static void rt2500usb_write_beacon(struct queue_entry *entry) * Send out the guardian byte. */ usb_submit_urb(bcn_priv->guardian_urb, GFP_ATOMIC); + + /* + * Enable beaconing again. + */ + rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 1); + rt2x00_set_field16(®, TXRX_CSR19_TBCN, 1); + reg0 = reg; + rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 1); + /* + * Beacon generation will fail initially. + * To prevent this we need to change the TXRX_CSR19 + * register several times (reg0 is the same as reg + * except for TXRX_CSR19_BEACON_GEN, which is 0 in reg0 + * and 1 in reg). + */ + rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); + rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg0); + rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); + rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg0); + rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); } static int rt2500usb_get_tx_data_len(struct queue_entry *entry) @@ -1148,37 +1168,6 @@ static int rt2500usb_get_tx_data_len(struct queue_entry *entry) return length; } -static void rt2500usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev, - const enum data_queue_qid queue) -{ - u16 reg, reg0; - - if (queue != QID_BEACON) { - rt2x00usb_kick_tx_queue(rt2x00dev, queue); - return; - } - - rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®); - if (!rt2x00_get_field16(reg, TXRX_CSR19_BEACON_GEN)) { - rt2x00_set_field16(®, TXRX_CSR19_TSF_COUNT, 1); - rt2x00_set_field16(®, TXRX_CSR19_TBCN, 1); - reg0 = reg; - rt2x00_set_field16(®, TXRX_CSR19_BEACON_GEN, 1); - /* - * Beacon generation will fail initially. - * To prevent this we need to change the TXRX_CSR19 - * register several times (reg0 is the same as reg - * except for TXRX_CSR19_BEACON_GEN, which is 0 in reg0 - * and 1 in reg). - */ - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg0); - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg0); - rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg); - } -} - /* * RX control handlers */ @@ -1777,7 +1766,7 @@ static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = { .write_tx_data = rt2x00usb_write_tx_data, .write_beacon = rt2500usb_write_beacon, .get_tx_data_len = rt2500usb_get_tx_data_len, - .kick_tx_queue = rt2500usb_kick_tx_queue, + .kick_tx_queue = rt2x00usb_kick_tx_queue, .kill_tx_queue = rt2x00usb_kill_tx_queue, .fill_rxdone = rt2500usb_fill_rxdone, .config_shared_key = rt2500usb_config_key, -- cgit v1.1 From f224f4ef794c4a9146a7fa7303018fecab8c9328 Mon Sep 17 00:00:00 2001 From: Gertjan van Wingerde Date: Sat, 8 May 2010 23:40:25 +0200 Subject: rt2x00: provide beacon's txdesc to write_beacon callback function. Preparation to fix rt2800 beaconing. Signed-off-by: Gertjan van Wingerde Acked-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2500usb.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/net/wireless/rt2x00/rt2500usb.c') diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index 5ee9b9f..30c0544 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1082,7 +1082,8 @@ static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, */ static void rt2500usb_beacondone(struct urb *urb); -static void rt2500usb_write_beacon(struct queue_entry *entry) +static void rt2500usb_write_beacon(struct queue_entry *entry, + struct txentry_desc *txdesc) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev); -- cgit v1.1