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ath10k: prevent invalid ps timeout config

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Setting 0 ps timeout to firmware yields very poor
latency and traffic issues. This is the case when
multi-vif is active.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Michal Kazior 2014-12-12 12:41:37 +01:00 committed by Kalle Valo
parent 9f9b574624
commit 526549a850
1 changed files with 10 additions and 1 deletions
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11
drivers/net/wireless/ath/ath10k/mac.c
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@ -1105,10 +1105,12 @@ static int ath10k_mac_vif_recalc_ps_poll_count(struct ath10k_vif *arvif)
static int ath10k_mac_vif_setup_ps(struct ath10k_vif *arvif)
{
struct ath10k *ar = arvif->ar;
struct ieee80211_vif *vif = arvif->vif;
struct ieee80211_conf *conf = &ar->hw->conf;
enum wmi_sta_powersave_param param;
enum wmi_sta_ps_mode psmode;
int ret;
int ps_timeout;
lockdep_assert_held(&arvif->ar->conf_mutex);
@ -1119,8 +1121,15 @@ static int ath10k_mac_vif_setup_ps(struct ath10k_vif *arvif)
psmode = WMI_STA_PS_MODE_ENABLED;
param = WMI_STA_PS_PARAM_INACTIVITY_TIME;
ps_timeout = conf->dynamic_ps_timeout;
if (ps_timeout == 0) {
/* Firmware doesn't like 0 */
ps_timeout = ieee80211_tu_to_usec(
vif->bss_conf.beacon_int) / 1000;
}
ret = ath10k_wmi_set_sta_ps_param(ar, arvif->vdev_id, param,
conf->dynamic_ps_timeout);
ps_timeout);
if (ret) {
ath10k_warn(ar, "failed to set inactivity time for vdev %d: %i\n",
arvif->vdev_id, ret);