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mwifiex: Empty Tx queue during suspend

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In cfg80211 suspend handler, stop the netif queue and
wait until all the Tx queues become empty. Start the
queues in resume handler.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Amitkumar Karwar 2016-03-09 04:21:11 -08:00 committed by Kalle Valo
parent 107b871333
commit 54f008497b
1 changed files with 25 additions and 3 deletions
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28
drivers/net/wireless/marvell/mwifiex/cfg80211.c
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@ -20,6 +20,7 @@
#include "cfg80211.h"
#include "main.h"
#include "11n.h"
#include "wmm.h"
static char *reg_alpha2;
module_param(reg_alpha2, charp, 0);
@ -3259,7 +3260,7 @@ static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
{
struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
struct mwifiex_ds_hs_cfg hs_cfg;
int i, ret = 0;
int i, ret = 0, retry_num = 10;
struct mwifiex_private *priv;
for (i = 0; i < adapter->priv_num; i++) {
@ -3269,6 +3270,21 @@ static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
mwifiex_cancel_all_pending_cmd(adapter);
for (i = 0; i < adapter->priv_num; i++) {
priv = adapter->priv[i];
if (priv && priv->netdev)
mwifiex_stop_net_dev_queue(priv->netdev, adapter);
}
for (i = 0; i < retry_num; i++) {
if (!mwifiex_wmm_lists_empty(adapter) ||
!mwifiex_bypass_txlist_empty(adapter) ||
!skb_queue_empty(&adapter->tx_data_q))
usleep_range(10000, 15000);
else
break;
}
if (!wowlan) {
mwifiex_dbg(adapter, ERROR,
"None of the WOWLAN triggers enabled\n");
@ -3321,12 +3337,18 @@ static int mwifiex_cfg80211_suspend(struct wiphy *wiphy,
static int mwifiex_cfg80211_resume(struct wiphy *wiphy)
{
struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy);
struct mwifiex_private *priv =
mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
struct mwifiex_private *priv;
struct mwifiex_ds_wakeup_reason wakeup_reason;
struct cfg80211_wowlan_wakeup wakeup_report;
int i;
for (i = 0; i < adapter->priv_num; i++) {
priv = adapter->priv[i];
if (priv && priv->netdev)
mwifiex_wake_up_net_dev_queue(priv->netdev, adapter);
}
priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD,
&wakeup_reason);
memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup));