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iwlwifi: map sw and hw ampdu queues

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This patch maps sw and hw queues (for aggregations), so the right
mac80211 queue will be waken when ieee80211_wake_queue is invoked.

Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ron Rindjunsky 2008-06-12 09:46:55 +08:00 committed by John W. Linville
parent 203566f359
commit 7f3e4bb60f
5 changed files with 15 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/wireless/iwlwifi/iwl-4965-hw.h
View File

@ -82,7 +82,7 @@
*/
#define IWL_CMD_QUEUE_NUM 4
#define IWL_CMD_FIFO_NUM 4
#define IWL_BACK_QUEUE_FIRST_ID 7
#define IWL49_FIRST_AMPDU_QUEUE 7
/* Tx rates */
#define IWL_CCK_RATES 4

17
drivers/net/wireless/iwlwifi/iwl-4965.c
View File

@ -913,6 +913,7 @@ int iwl4965_hw_set_hw_params(struct iwl_priv *priv)
}
priv->hw_params.max_txq_num = priv->cfg->mod_params->num_of_queues;
priv->hw_params.first_ampdu_q = IWL49_FIRST_AMPDU_QUEUE;
priv->hw_params.sw_crypto = priv->cfg->mod_params->sw_crypto;
priv->hw_params.max_rxq_size = RX_QUEUE_SIZE;
priv->hw_params.max_rxq_log = RX_QUEUE_SIZE_LOG;
@ -2893,7 +2894,7 @@ static void iwl4965_tx_queue_stop_scheduler(struct iwl_priv *priv,
}
/**
* txq_id must be greater than IWL_BACK_QUEUE_FIRST_ID
* txq_id must be greater than IWL49_FIRST_AMPDU_QUEUE
* priv->lock must be held by the caller
*/
static int iwl4965_txq_agg_disable(struct iwl_priv *priv, u16 txq_id,
@ -2901,9 +2902,9 @@ static int iwl4965_txq_agg_disable(struct iwl_priv *priv, u16 txq_id,
{
int ret = 0;
if (IWL_BACK_QUEUE_FIRST_ID > txq_id) {
if (IWL49_FIRST_AMPDU_QUEUE > txq_id) {
IWL_WARNING("queue number too small: %d, must be > %d\n",
txq_id, IWL_BACK_QUEUE_FIRST_ID);
txq_id, IWL49_FIRST_AMPDU_QUEUE);
return -EINVAL;
}
@ -2991,7 +2992,7 @@ static void iwl4965_rx_reply_compressed_ba(struct iwl_priv *priv,
if (txq->q.read_ptr != (ba_resp_scd_ssn & 0xff)) {
/* calculate mac80211 ampdu sw queue to wake */
int ampdu_q =
scd_flow - IWL_BACK_QUEUE_FIRST_ID + priv->hw->queues;
scd_flow - priv->hw_params.first_ampdu_q + priv->hw->queues;
int freed = iwl_tx_queue_reclaim(priv, scd_flow, index);
priv->stations[ba_resp->sta_id].
tid[ba_resp->tid].tfds_in_queue -= freed;
@ -3036,7 +3037,7 @@ static int iwl4965_tx_queue_set_q2ratid(struct iwl_priv *priv, u16 ra_tid,
/**
* iwl4965_tx_queue_agg_enable - Set up & enable aggregation for selected queue
*
* NOTE: txq_id must be greater than IWL_BACK_QUEUE_FIRST_ID,
* NOTE: txq_id must be greater than IWL49_FIRST_AMPDU_QUEUE,
* i.e. it must be one of the higher queues used for aggregation
*/
static int iwl4965_txq_agg_enable(struct iwl_priv *priv, int txq_id,
@ -3046,9 +3047,9 @@ static int iwl4965_txq_agg_enable(struct iwl_priv *priv, int txq_id,
int ret;
u16 ra_tid;
if (IWL_BACK_QUEUE_FIRST_ID > txq_id)
if (IWL49_FIRST_AMPDU_QUEUE > txq_id)
IWL_WARNING("queue number too small: %d, must be > %d\n",
txq_id, IWL_BACK_QUEUE_FIRST_ID);
txq_id, IWL49_FIRST_AMPDU_QUEUE);
ra_tid = BUILD_RAxTID(sta_id, tid);
@ -3398,7 +3399,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
txq_id >= 0 && priv->mac80211_registered &&
agg->state != IWL_EMPTYING_HW_QUEUE_DELBA) {
/* calculate mac80211 ampdu sw queue to wake */
ampdu_q = txq_id - IWL_BACK_QUEUE_FIRST_ID +
ampdu_q = txq_id - IWL49_FIRST_AMPDU_QUEUE +
priv->hw->queues;
if (agg->state == IWL_AGG_OFF)
ieee80211_wake_queue(priv->hw, txq_id);

2
drivers/net/wireless/iwlwifi/iwl-5000-hw.h
View File

@ -81,7 +81,7 @@
#define IWL50_QUEUE_SIZE 256
#define IWL50_CMD_FIFO_NUM 7
#define IWL50_NUM_QUEUES 20
#define IWL50_BACK_QUEUE_FIRST_ID 10
#define IWL50_FIRST_AMPDU_QUEUE 10
#define IWL_sta_id_POS 12
#define IWL_sta_id_LEN 4

3
drivers/net/wireless/iwlwifi/iwl-5000.c
View File

@ -825,6 +825,7 @@ static int iwl5000_hw_set_hw_params(struct iwl_priv *priv)
}
priv->hw_params.max_txq_num = priv->cfg->mod_params->num_of_queues;
priv->hw_params.first_ampdu_q = IWL50_FIRST_AMPDU_QUEUE;
priv->hw_params.sw_crypto = priv->cfg->mod_params->sw_crypto;
priv->hw_params.max_rxq_size = RX_QUEUE_SIZE;
priv->hw_params.max_rxq_log = RX_QUEUE_SIZE_LOG;
@ -1183,7 +1184,7 @@ static void iwl5000_rx_reply_tx(struct iwl_priv *priv,
txq_id >= 0 && priv->mac80211_registered &&
agg->state != IWL_EMPTYING_HW_QUEUE_DELBA) {
/* calculate mac80211 ampdu sw queue to wake */
ampdu_q = txq_id - IWL_BACK_QUEUE_FIRST_ID +
ampdu_q = txq_id - IWL50_FIRST_AMPDU_QUEUE +
priv->hw->queues;
if (agg->state == IWL_AGG_OFF)
ieee80211_wake_queue(priv->hw, txq_id);

2
drivers/net/wireless/iwlwifi/iwl-dev.h
View File

@ -583,6 +583,7 @@ struct iwl_sensitivity_ranges {
* @max_xxx_size: for ucode uses
* @ct_kill_threshold: temperature threshold
* @struct iwl_sensitivity_ranges: range of sensitivity values
* @first_ampdu_q: first HW queue available for ampdu
*/
struct iwl_hw_params {
u16 max_txq_num;
@ -603,6 +604,7 @@ struct iwl_hw_params {
u32 max_bsm_size;
u32 ct_kill_threshold; /* value in hw-dependent units */
const struct iwl_sensitivity_ranges *sens;
u8 first_ampdu_q;
};
#define HT_SHORT_GI_20MHZ (1 << 0)