commit 3d29592bf8093a5775f2a11046ea9f00b61a87cc
author Gopichand Nakkala <gnakkala@qca.qualcomm.com> Tue May 07 16:19:14 2013 +0530
committer Gopichand Nakkala <gnakkala@qca.qualcomm.com> Sat May 18 00:08:41 2013 -0700
tree 73fef3ae8453fe6c1b61a589261187bd8b42f7a3
parent 888247b1c1c351d200b9a775bd0361ac1e5e209a

wlan : Fast transition (11r)

- Set Key along with the Config BSS command to HAL
  to improve the 11r roam latencies
- Move the TL state to Authenticated to allow TX Data
  when set GTK is received at driver from supplicant
- Optimize the memcpy in hdd_SendFTEvent

Change-Id: Iab9f1fbcc4a11bd1a2e521885a6beaf1f6a9068a
CRs-fixed: 465419

CORE/HDD/src/wlan_hdd_cfg80211.c

diff --git a/CORE/HDD/src/wlan_hdd_cfg80211.c b/CORE/HDD/src/wlan_hdd_cfg80211.c
index 753ded5..278d455 100644
--- a/CORE/HDD/src/wlan_hdd_cfg80211.c
+++ b/CORE/HDD/src/wlan_hdd_cfg80211.c
@@ -3216,6 +3216,22 @@
         hdd_wext_state_t *pWextState = WLAN_HDD_GET_WEXT_STATE_PTR(pAdapter);
         hdd_station_ctx_t *pHddStaCtx = WLAN_HDD_GET_STATION_CTX_PTR(pAdapter);
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
+        if (!pairwise)
+#else
+        if (!mac_addr || is_broadcast_ether_addr(mac_addr))
+#endif
+        {
+            /* set group key*/
+            if (pHddStaCtx->roam_info.deferKeyComplete)
+            {
+                VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO,
+                           "%s- %d: Perform Set key Complete",
+                           __func__, __LINE__);
+                hdd_PerformRoamSetKeyComplete(pAdapter);
+            }
+        }
+
         pWextState->roamProfile.Keys.KeyLength[key_index] = (u8)params->key_len;
 
         pWextState->roamProfile.Keys.defaultIndex = key_index;
@@ -3224,6 +3240,7 @@
         vos_mem_copy(&pWextState->roamProfile.Keys.KeyMaterial[key_index][0],
                 params->key, params->key_len);
 
+
         pHddStaCtx->roam_info.roamingState = HDD_ROAM_STATE_SETTING_KEY;
 
         hddLog(VOS_TRACE_LEVEL_INFO_MED,
@@ -3248,11 +3265,20 @@
         }
 
 #ifdef WLAN_FEATURE_VOWIFI_11R
-   /* The supplicant may attempt to set the PTK once pre-authentication is done.
-        Save the key in the UMAC and include it in the ADD BSS request */
+        /* The supplicant may attempt to set the PTK once pre-authentication
+           is done. Save the key in the UMAC and include it in the ADD BSS
+           request */
         halStatus = sme_FTUpdateKey( WLAN_HDD_GET_HAL_CTX(pAdapter), &setKey);
-        if( halStatus == eHAL_STATUS_FT_PREAUTH_KEY_WAIT )
+        if ( halStatus == eHAL_STATUS_FT_PREAUTH_KEY_SUCCESS )
         {
+           hddLog(VOS_TRACE_LEVEL_INFO_MED,
+                  "%s: Update PreAuth Key success", __func__);
+           return 0;
+        }
+        else if ( halStatus == eHAL_STATUS_FT_PREAUTH_KEY_FAILED )
+        {
+           hddLog(VOS_TRACE_LEVEL_ERROR,
+                  "%s: Update PreAuth Key failed", __func__);
            return -EINVAL;
         }
 #endif /* WLAN_FEATURE_VOWIFI_11R */