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ath10k: replace hardcoded constant with define 

The hardcoded values used in ath10k_mac_tx_push_pending and
ath10k_mac_op_wake_tx_queue set an upper limit of how many packets that
can be consumed from the TX queue.

HTC_HOST_MAX_MSG_PER_TX_BUNDLE is a proper name for this constant, as
the value effectively limits the number of messages that can be consumed
in one step. Thus, the value is an upper limit of the number of messages
that can be added to a TX message bundle.

Signed-off-by: Erik Stromdahl <erik.stromdahl@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Erik Stromdahl 2018-06-18 17:01:29 +03:00 committed by Kalle Valo
parent ab687de953
commit e4568eac04
2 changed files with 3 additions and 2 deletions
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1
drivers/net/wireless/ath/ath10k/htc.h
View File

@ -51,6 +51,7 @@ struct ath10k;
*/
#define HTC_HOST_MAX_MSG_PER_RX_BUNDLE 8
#define HTC_HOST_MAX_MSG_PER_TX_BUNDLE 16
enum ath10k_htc_tx_flags {
ATH10K_HTC_FLAG_NEED_CREDIT_UPDATE = 0x01,

4
drivers/net/wireless/ath/ath10k/mac.c
View File

@ -4026,7 +4026,7 @@ void ath10k_mac_tx_push_pending(struct ath10k *ar)
drv_priv);
/* Prevent aggressive sta/tid taking over tx queue */
max = 16;
max = HTC_HOST_MAX_MSG_PER_TX_BUNDLE;
ret = 0;
while (ath10k_mac_tx_can_push(hw, txq) && max--) {
ret = ath10k_mac_tx_push_txq(hw, txq);
@ -4288,7 +4288,7 @@ static void ath10k_mac_op_wake_tx_queue(struct ieee80211_hw *hw,
struct ieee80211_txq *f_txq;
struct ath10k_txq *f_artxq;
int ret = 0;
int max = 16;
int max = HTC_HOST_MAX_MSG_PER_TX_BUNDLE;
spin_lock_bh(&ar->txqs_lock);
if (list_empty(&artxq->list))