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4e2184ff3c
openwrt-xburst/package/mac80211/patches/320-rt2x00-More-register-fixes-rt2800usb.patch
juhosg 4e2184ff3c [package] mac80211: update compat-wireless to 2009-01-19 
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14145 3c298f89-4303-0410-b956-a3cf2f4a3e73
2009-01-22 14:52:27 +00:00

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From 6d9ef2042aff47309dbe973da5723c4972ed95bb Mon Sep 17 00:00:00 2001
From: Ivo van Doorn <IvDoorn@gmail.com>
Date: Sat, 17 Jan 2009 20:27:40 +0100
Subject: [PATCH] rt2x00: More register fixes (rt2800usb)
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
---
drivers/net/wireless/rt2x00/rt2800usb.c | 59 +++++++++++++++----------------
drivers/net/wireless/rt2x00/rt2800usb.h | 8 ++--
2 files changed, 33 insertions(+), 34 deletions(-)
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -2261,33 +2261,34 @@ static int rt2800usb_set_rts_threshold(s
{
struct rt2x00_dev *rt2x00dev = hw->priv;
u32 reg;
+ bool enabled = (value < IEEE80211_MAX_RTS_THRESHOLD);
rt2x00usb_register_read(rt2x00dev, TX_RTS_CFG, &reg);
rt2x00_set_field32(&reg, TX_RTS_CFG_RTS_THRES, value);
rt2x00usb_register_write(rt2x00dev, TX_RTS_CFG, reg);
rt2x00usb_register_read(rt2x00dev, CCK_PROT_CFG, &reg);
- rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, 1);
+ rt2x00_set_field32(&reg, CCK_PROT_CFG_RTS_TH_EN, enabled);
rt2x00usb_register_write(rt2x00dev, CCK_PROT_CFG, reg);
rt2x00usb_register_read(rt2x00dev, OFDM_PROT_CFG, &reg);
- rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, 1);
+ rt2x00_set_field32(&reg, OFDM_PROT_CFG_RTS_TH_EN, enabled);
rt2x00usb_register_write(rt2x00dev, OFDM_PROT_CFG, reg);
rt2x00usb_register_read(rt2x00dev, MM20_PROT_CFG, &reg);
- rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, 1);
+ rt2x00_set_field32(&reg, MM20_PROT_CFG_RTS_TH_EN, enabled);
rt2x00usb_register_write(rt2x00dev, MM20_PROT_CFG, reg);
rt2x00usb_register_read(rt2x00dev, MM40_PROT_CFG, &reg);
- rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, 1);
+ rt2x00_set_field32(&reg, MM40_PROT_CFG_RTS_TH_EN, enabled);
rt2x00usb_register_write(rt2x00dev, MM40_PROT_CFG, reg);
rt2x00usb_register_read(rt2x00dev, GF20_PROT_CFG, &reg);
- rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, 1);
+ rt2x00_set_field32(&reg, GF20_PROT_CFG_RTS_TH_EN, enabled);
rt2x00usb_register_write(rt2x00dev, GF20_PROT_CFG, reg);
rt2x00usb_register_read(rt2x00dev, GF40_PROT_CFG, &reg);
- rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, 1);
+ rt2x00_set_field32(&reg, GF40_PROT_CFG_RTS_TH_EN, enabled);
rt2x00usb_register_write(rt2x00dev, GF40_PROT_CFG, reg);
return 0;
@@ -2313,24 +2314,23 @@ static int rt2800usb_conf_tx(struct ieee
if (retval)
return retval;
+ /*
+ * We only need to perform additional register initialization
+ * for WMM queues/
+ */
+ if (queue_idx >= 4)
+ return 0;
+
queue = rt2x00queue_get_queue(rt2x00dev, queue_idx);
/* Update WMM TXOP register */
- if (queue_idx < 2) {
- field.bit_offset = queue_idx * 16;
- field.bit_mask = 0xffff << field.bit_offset;
-
- rt2x00usb_register_read(rt2x00dev, WMM_TXOP0_CFG, &reg);
- rt2x00_set_field32(&reg, field, queue->txop);
- rt2x00usb_register_write(rt2x00dev, WMM_TXOP0_CFG, reg);
- } else if (queue_idx < 4) {
- field.bit_offset = (queue_idx - 2) * 16;
- field.bit_mask = 0xffff << field.bit_offset;
-
- rt2x00usb_register_read(rt2x00dev, WMM_TXOP1_CFG, &reg);
- rt2x00_set_field32(&reg, field, queue->txop);
- rt2x00usb_register_write(rt2x00dev, WMM_TXOP1_CFG, reg);
- }
+ offset = WMM_TXOP0_CFG + (sizeof(u32) * (!!(queue_idx & 2)));
+ field.bit_offset = (queue_idx & 1) * 16;
+ field.bit_mask = 0xffff << field.bit_offset;
+
+ rt2x00usb_register_read(rt2x00dev, offset, &reg);
+ rt2x00_set_field32(&reg, field, queue->txop);
+ rt2x00usb_register_write(rt2x00dev, offset, reg);
/* Update WMM registers */
field.bit_offset = queue_idx * 4;
@@ -2349,15 +2349,14 @@ static int rt2800usb_conf_tx(struct ieee
rt2x00usb_register_write(rt2x00dev, WMM_CWMAX_CFG, reg);
/* Update EDCA registers */
- if (queue_idx < 4) {
- offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx);
+ offset = EDCA_AC0_CFG + (sizeof(u32) * queue_idx);
- rt2x00usb_register_read(rt2x00dev, offset, &reg);
- rt2x00_set_field32(&reg, EDCA_AC0_CFG_AIFSN, queue->aifs);
- rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMIN, queue->cw_min);
- rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMAX, queue->cw_max);
- rt2x00usb_register_write(rt2x00dev, offset, reg);
- }
+ rt2x00usb_register_read(rt2x00dev, offset, &reg);
+ rt2x00_set_field32(&reg, EDCA_AC0_CFG_TX_OP, queue->txop);
+ rt2x00_set_field32(&reg, EDCA_AC0_CFG_AIFSN, queue->aifs);
+ rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMIN, queue->cw_min);
+ rt2x00_set_field32(&reg, EDCA_AC0_CFG_CWMAX, queue->cw_max);
+ rt2x00usb_register_write(rt2x00dev, offset, reg);
return 0;
}
--- a/drivers/net/wireless/rt2x00/rt2800usb.h
+++ b/drivers/net/wireless/rt2x00/rt2800usb.h
@@ -670,7 +670,7 @@
* EDCA_AC0_CFG:
*/
#define EDCA_AC0_CFG 0x1300
-#define EDCA_AC0_CFG_AC_TX_OP FIELD32(0x000000ff)
+#define EDCA_AC0_CFG_TX_OP FIELD32(0x000000ff)
#define EDCA_AC0_CFG_AIFSN FIELD32(0x00000f00)
#define EDCA_AC0_CFG_CWMIN FIELD32(0x0000f000)
#define EDCA_AC0_CFG_CWMAX FIELD32(0x000f0000)
@@ -679,7 +679,7 @@
* EDCA_AC1_CFG:
*/
#define EDCA_AC1_CFG 0x1304
-#define EDCA_AC1_CFG_AC_TX_OP FIELD32(0x000000ff)
+#define EDCA_AC1_CFG_TX_OP FIELD32(0x000000ff)
#define EDCA_AC1_CFG_AIFSN FIELD32(0x00000f00)
#define EDCA_AC1_CFG_CWMIN FIELD32(0x0000f000)
#define EDCA_AC1_CFG_CWMAX FIELD32(0x000f0000)
@@ -688,7 +688,7 @@
* EDCA_AC2_CFG:
*/
#define EDCA_AC2_CFG 0x1308
-#define EDCA_AC2_CFG_AC_TX_OP FIELD32(0x000000ff)
+#define EDCA_AC2_CFG_TX_OP FIELD32(0x000000ff)
#define EDCA_AC2_CFG_AIFSN FIELD32(0x00000f00)
#define EDCA_AC2_CFG_CWMIN FIELD32(0x0000f000)
#define EDCA_AC2_CFG_CWMAX FIELD32(0x000f0000)
@@ -697,7 +697,7 @@
* EDCA_AC3_CFG:
*/
#define EDCA_AC3_CFG 0x130c
-#define EDCA_AC3_CFG_AC_TX_OP FIELD32(0x000000ff)
+#define EDCA_AC3_CFG_TX_OP FIELD32(0x000000ff)
#define EDCA_AC3_CFG_AIFSN FIELD32(0x00000f00)
#define EDCA_AC3_CFG_CWMIN FIELD32(0x0000f000)
#define EDCA_AC3_CFG_CWMAX FIELD32(0x000f0000)
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