2010-05-14 05:48:30

by Sujith

[permalink] [raw]
Subject: [PATCH 2/4] ath9k_htc: Initialize beacon/CAB queues

This patch initializes the beacon and CAB HW queues
when the driver is loaded.

Signed-off-by: Sujith <[email protected]>
---
drivers/net/wireless/ath/ath9k/htc.h | 4 +++
drivers/net/wireless/ath/ath9k/htc_drv_init.c | 14 ++++++++++++
drivers/net/wireless/ath/ath9k/htc_drv_txrx.c | 28 ++++++++++++++++++------
3 files changed, 39 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h
index 2dd9ad3..47255c8 100644
--- a/drivers/net/wireless/ath/ath9k/htc.h
+++ b/drivers/net/wireless/ath/ath9k/htc.h
@@ -392,6 +392,9 @@ struct ath9k_htc_priv {
int led_off_duration;
int led_on_cnt;
int led_off_cnt;
+
+ int beaconq;
+ int cabq;
int hwq_map[ATH9K_WME_AC_VO+1];

#ifdef CONFIG_ATH9K_HTC_DEBUGFS
@@ -428,6 +431,7 @@ int ath9k_htc_tx_start(struct ath9k_htc_priv *priv, struct sk_buff *skb);
void ath9k_tx_cleanup(struct ath9k_htc_priv *priv);
bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv,
enum ath9k_tx_queue_subtype qtype);
+int ath9k_htc_cabq_setup(struct ath9k_htc_priv *priv);
int get_hw_qnum(u16 queue, int *hwq_map);
int ath_htc_txq_update(struct ath9k_htc_priv *priv, int qnum,
struct ath9k_tx_queue_info *qinfo);
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index dc01507..7ec2c2e 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -420,6 +420,20 @@ static int ath9k_init_queues(struct ath9k_htc_priv *priv)
for (i = 0; i < ARRAY_SIZE(priv->hwq_map); i++)
priv->hwq_map[i] = -1;

+ priv->beaconq = ath9k_hw_beaconq_setup(priv->ah);
+ if (priv->beaconq == -1) {
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to setup BEACON xmit queue\n");
+ goto err;
+ }
+
+ priv->cabq = ath9k_htc_cabq_setup(priv);
+ if (priv->cabq == -1) {
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to setup CAB xmit queue\n");
+ goto err;
+ }
+
if (!ath9k_htc_txq_setup(priv, ATH9K_WME_AC_BE)) {
ath_print(common, ATH_DBG_FATAL,
"Unable to setup xmit queue for BE traffic\n");
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
index 2a0585d..15e716a 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
@@ -20,6 +20,16 @@
/* TX */
/******/

+#define ATH9K_HTC_INIT_TXQ(subtype) do { \
+ qi.tqi_subtype = subtype; \
+ qi.tqi_aifs = ATH9K_TXQ_USEDEFAULT; \
+ qi.tqi_cwmin = ATH9K_TXQ_USEDEFAULT; \
+ qi.tqi_cwmax = ATH9K_TXQ_USEDEFAULT; \
+ qi.tqi_physCompBuf = 0; \
+ qi.tqi_qflags = TXQ_FLAG_TXEOLINT_ENABLE | \
+ TXQ_FLAG_TXDESCINT_ENABLE; \
+ } while (0)
+
int get_hw_qnum(u16 queue, int *hwq_map)
{
switch (queue) {
@@ -297,13 +307,7 @@ bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv,
int qnum;

memset(&qi, 0, sizeof(qi));
-
- qi.tqi_subtype = subtype;
- qi.tqi_aifs = ATH9K_TXQ_USEDEFAULT;
- qi.tqi_cwmin = ATH9K_TXQ_USEDEFAULT;
- qi.tqi_cwmax = ATH9K_TXQ_USEDEFAULT;
- qi.tqi_physCompBuf = 0;
- qi.tqi_qflags = TXQ_FLAG_TXEOLINT_ENABLE | TXQ_FLAG_TXDESCINT_ENABLE;
+ ATH9K_HTC_INIT_TXQ(subtype);

qnum = ath9k_hw_setuptxqueue(priv->ah, ATH9K_TX_QUEUE_DATA, &qi);
if (qnum == -1)
@@ -321,6 +325,16 @@ bool ath9k_htc_txq_setup(struct ath9k_htc_priv *priv,
return true;
}

+int ath9k_htc_cabq_setup(struct ath9k_htc_priv *priv)
+{
+ struct ath9k_tx_queue_info qi;
+
+ memset(&qi, 0, sizeof(qi));
+ ATH9K_HTC_INIT_TXQ(0);
+
+ return ath9k_hw_setuptxqueue(priv->ah, ATH9K_TX_QUEUE_CAB, &qi);
+}
+
/******/
/* RX */
/******/
--
1.7.1