diff options
| -rw-r--r-- | CORE/HDD/inc/wlan_hdd_main.h | 7 | ||||
| -rw-r--r-- | CORE/HDD/src/wlan_hdd_cfg80211.c | 81 |
2 files changed, 87 insertions, 1 deletions
diff --git a/CORE/HDD/inc/wlan_hdd_main.h b/CORE/HDD/inc/wlan_hdd_main.h index 3883033f987c..32a7d190f371 100644 --- a/CORE/HDD/inc/wlan_hdd_main.h +++ b/CORE/HDD/inc/wlan_hdd_main.h @@ -107,6 +107,13 @@ #define WLAN_WAIT_TIME_SESSIONOPENCLOSE 15000 #define WLAN_WAIT_TIME_ABORTSCAN 2000 +#ifdef QCA_WIFI_2_0 + +/** Maximum time(ms) to wait for mc thread suspend **/ +#define WLAN_WAIT_TIME_MCTHREAD_SUSPEND 1200 + +#endif + /** Maximum time(ms) to wait for tdls add sta to complete **/ #define WAIT_TIME_TDLS_ADD_STA 1500 diff --git a/CORE/HDD/src/wlan_hdd_cfg80211.c b/CORE/HDD/src/wlan_hdd_cfg80211.c index 42f827695062..7b5392aa4906 100644 --- a/CORE/HDD/src/wlan_hdd_cfg80211.c +++ b/CORE/HDD/src/wlan_hdd_cfg80211.c @@ -91,7 +91,9 @@ #include "wlan_hdd_tdls.h" #endif #include "wlan_nv.h" - +#ifdef QCA_WIFI_2_0 +#include "vos_sched.h" +#endif #if defined(QCA_WIFI_2_0) && defined(QCA_WIFI_FTM) && !defined(QCA_WIFI_ISOC) #include "testmode.h" #endif @@ -8227,6 +8229,79 @@ static int wlan_hdd_cfg80211_set_mac_acl(struct wiphy *wiphy, } #endif +#ifdef QCA_WIFI_2_0 +int wlan_hdd_cfg80211_suspend_wlan(struct wiphy *wiphy, + struct cfg80211_wowlan *wow) +{ + hdd_context_t *pHddCtx = wiphy_priv(wiphy); + pVosSchedContext vosSchedContext = get_vos_sched_ctxt(); + hdd_adapter_list_node_t *pAdapterNode = NULL, *pNext = NULL; + hdd_adapter_t *pAdapter; + hdd_scaninfo_t *pScanInfo; + VOS_STATUS status; + int rc; + + /* Stop ongoing scan on each interface */ + status = hdd_get_front_adapter ( pHddCtx, &pAdapterNode ); + while ( NULL != pAdapterNode && VOS_STATUS_SUCCESS == status ) + { + pAdapter = pAdapterNode->pAdapter; + pScanInfo = &pAdapter->scan_info; + + if (pScanInfo->mScanPending && pAdapter->request) + { + INIT_COMPLETION(pScanInfo->abortscan_event_var); + hdd_abort_mac_scan(pHddCtx, pAdapter->sessionId); + + status = wait_for_completion_interruptible_timeout( + &pScanInfo->abortscan_event_var, + msecs_to_jiffies(WLAN_WAIT_TIME_ABORTSCAN)); + if (!status) + { + VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, + "%s: Timeout occurred while waiting for abort scan" , + __func__); + return -ETIME; + } + } + status = hdd_get_next_adapter ( pHddCtx, pAdapterNode, &pNext ); + pAdapterNode = pNext; + } + + /* Suspend MC thread */ + set_bit(MC_SUSPEND_EVENT_MASK, &vosSchedContext->mcEventFlag); + wake_up_interruptible(&vosSchedContext->mcWaitQueue); + + /* Wait for suspend confirmation from MC thread */ + rc = wait_for_completion_interruptible_timeout(&pHddCtx->mc_sus_event_var, + msecs_to_jiffies(WLAN_WAIT_TIME_MCTHREAD_SUSPEND)); + if (!rc) + { + clear_bit(MC_SUSPEND_EVENT_MASK, &vosSchedContext->mcEventFlag); + VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, + "%s: Failed to stop mc thread", __func__); + return -ETIME; + } + + pHddCtx->isMcThreadSuspended = TRUE; + + return 0; +} + +int wlan_hdd_cfg80211_resume_wlan(struct wiphy *wiphy) +{ + hdd_context_t *pHddCtx = wiphy_priv(wiphy); + pVosSchedContext vosSchedContext = get_vos_sched_ctxt(); + + /* Resume MC thread */ + complete(&vosSchedContext->ResumeMcEvent); + + pHddCtx->isMcThreadSuspended = FALSE; + + return 0; +} +#endif + /* cfg80211_ops */ static struct cfg80211_ops wlan_hdd_cfg80211_ops = { @@ -8297,5 +8372,9 @@ static struct cfg80211_ops wlan_hdd_cfg80211_ops = #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)) .set_mac_acl = wlan_hdd_cfg80211_set_mac_acl, #endif +#ifdef QCA_WIFI_2_0 + .suspend = wlan_hdd_cfg80211_suspend_wlan, + .resume = wlan_hdd_cfg80211_resume_wlan, +#endif }; |