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authorHelmut Schaa <helmut.schaa@googlemail.com>2010-09-08 20:56:04 +0200
committerJohn W. Linville <linville@tuxdriver.com>2010-09-14 16:03:43 -0400
commit47ee3eb1359a5444efd9f529e3d28c02e8e405e7 (patch)
tree0e631a07d3ccbabf1473949e6064a93c8318da43 /drivers
parent85f4d6488cba35d3bb58833edbcb28faaffdd37c (diff)
rt2x00: Initialize AMPDU_BA_WINSIZE register
Since we're not using the AMPDU_BA_WINSIZE register to force the BlockAck window size (we specify it in every TXWI) we should initialize it to 0. Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/rt2x00/rt2800.h12
-rw-r--r--drivers/net/wireless/rt2x00/rt2800lib.c8
2 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800.h b/drivers/net/wireless/rt2x00/rt2800.h
index 70a5cb86405..2edc7742a7e 100644
--- a/drivers/net/wireless/rt2x00/rt2800.h
+++ b/drivers/net/wireless/rt2x00/rt2800.h
@@ -639,6 +639,18 @@
#define LED_CFG_LED_POLAR FIELD32(0x40000000)
/*
+ * AMPDU_BA_WINSIZE: Force BlockAck window size
+ * FORCE_WINSIZE_ENABLE:
+ * 0: Disable forcing of BlockAck window size
+ * 1: Enable forcing of BlockAck window size, overwrites values BlockAck
+ * window size values in the TXWI
+ * FORCE_WINSIZE: BlockAck window size
+ */
+#define AMPDU_BA_WINSIZE 0x1040
+#define AMPDU_BA_WINSIZE_FORCE_WINSIZE_ENABLE FIELD32(0x00000020)
+#define AMPDU_BA_WINSIZE_FORCE_WINSIZE FIELD32(0x0000001f)
+
+/*
* XIFS_TIME_CFG: MAC timing
* CCKM_SIFS_TIME: unit 1us. Applied after CCK RX/TX
* OFDM_SIFS_TIME: unit 1us. Applied after OFDM RX/TX
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index f90e932b3cb..78e5830c86c 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -2053,6 +2053,14 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
rt2800_register_write(rt2x00dev, LG_FBK_CFG1, reg);
/*
+ * Do not force the BA window size, we use the TXWI to set it
+ */
+ rt2800_register_read(rt2x00dev, AMPDU_BA_WINSIZE, &reg);
+ rt2x00_set_field32(&reg, AMPDU_BA_WINSIZE_FORCE_WINSIZE_ENABLE, 0);
+ rt2x00_set_field32(&reg, AMPDU_BA_WINSIZE_FORCE_WINSIZE, 0);
+ rt2800_register_write(rt2x00dev, AMPDU_BA_WINSIZE, reg);
+
+ /*
* We must clear the error counters.
* These registers are cleared on read,
* so we may pass a useless variable to store the value.