commit 86f629e83e4c16df5151738766a0acde0155a6e0
author Madan Mohan Koyyalamudi <c_mkoyya@qca.qualcomm.com> Fri Nov 09 16:27:29 2012 -0800
committer Jeff Johnson <jjohnson@qca.qualcomm.com> Fri Nov 30 15:13:05 2012 -0800
tree 89b964348782e8ce82f42b4e215600f6a7623dcf
parent bcbe94e80a08215a459e451b4323771352b75355

wlan: AGE IE in scan results (GPS requirement)

GPS application needs accurate age info per scan entry

Change-Id: I4899343c63c386bdbd97265dcfc4e199b6a1f96f
CR-Fixed: 403216

CORE/HDD/inc/wlan_hdd_cfg80211.h

diff --git a/CORE/HDD/inc/wlan_hdd_cfg80211.h b/CORE/HDD/inc/wlan_hdd_cfg80211.h
index 122f156..a56a5af 100644
--- a/CORE/HDD/inc/wlan_hdd_cfg80211.h
+++ b/CORE/HDD/inc/wlan_hdd_cfg80211.h
@@ -70,6 +70,26 @@
 #define BASIC_RATE_MASK   0x80
 #define RATE_MASK         0x7f
 
+#ifdef WLAN_ENABLE_AGEIE_ON_SCAN_RESULTS
+/* GPS application requirement */
+#define QCOM_VENDOR_IE_ID 221
+#define QCOM_OUI1         0x00
+#define QCOM_OUI2         0xA0
+#define QCOM_OUI3         0xC6
+#define QCOM_VENDOR_IE_AGE_TYPE  0x100
+#define QCOM_VENDOR_IE_AGE_LEN   4
+
+typedef struct {
+   u8 element_id;
+   u8 len;
+   u8 oui_1;
+   u8 oui_2;
+   u8 oui_3;
+   u32 type;
+   u32 age;
+}__attribute__((packed)) qcom_ie_age ;
+#endif
+
 struct cfg80211_bss* wlan_hdd_cfg80211_update_bss_db( hdd_adapter_t *pAdapter,
                                       tCsrRoamInfo *pRoamInfo
                                       );

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 77ba092..e921703 100644
--- a/CORE/HDD/src/wlan_hdd_cfg80211.c
+++ b/CORE/HDD/src/wlan_hdd_cfg80211.c
@@ -3292,7 +3292,12 @@
     struct wireless_dev *wdev = dev->ieee80211_ptr;
     struct wiphy *wiphy = wdev->wiphy;
     int chan_no = bss_desc->channelId;
+#ifdef WLAN_ENABLE_AGEIE_ON_SCAN_RESULTS
+    qcom_ie_age *qie_age = NULL;
+    int ie_length = GET_IE_LEN_IN_BSS_DESC( bss_desc->length ) + sizeof(qcom_ie_age);
+#else
     int ie_length = GET_IE_LEN_IN_BSS_DESC( bss_desc->length );
+#endif
     const char *ie =
         ((ie_length != 0) ? (const char *)&bss_desc->ieFields: NULL);
     unsigned int freq;
@@ -3328,6 +3333,21 @@
 
     mgmt->u.probe_resp.beacon_int = bss_desc->beaconInterval;
     mgmt->u.probe_resp.capab_info = bss_desc->capabilityInfo;
+
+#ifdef WLAN_ENABLE_AGEIE_ON_SCAN_RESULTS
+    /* GPS Requirement: need age ie per entry. Using vendor specific. */
+    /* Assuming this is the last IE, copy at the end */
+    ie_length           -=sizeof(qcom_ie_age);
+    qie_age =  (qcom_ie_age *)(mgmt->u.probe_resp.variable + ie_length);
+    qie_age->element_id = QCOM_VENDOR_IE_ID;
+    qie_age->len        = QCOM_VENDOR_IE_AGE_LEN;
+    qie_age->oui_1      = QCOM_OUI1;
+    qie_age->oui_2      = QCOM_OUI2;
+    qie_age->oui_3      = QCOM_OUI3;
+    qie_age->type       = QCOM_VENDOR_IE_AGE_TYPE;
+    qie_age->age        = vos_timer_get_system_ticks() - bss_desc->nReceivedTime;
+#endif
+
     memcpy(mgmt->u.probe_resp.variable, ie, ie_length);
 
     mgmt->frame_control |=

Makefile

diff --git a/Makefile b/Makefile
index 124c93a..32e3ddb 100644
--- a/Makefile
+++ b/Makefile
@@ -528,7 +528,8 @@
 
 CDEFINES += -DWLAN_FEATURE_11AC
 CDEFINES += -DWLAN_FEATURE_11AC_HIGH_TP
-CDEFINED += -DWLAN_FEATURE_P2P_DEBUG
+CDEFINES += -DWLAN_FEATURE_P2P_DEBUG
+CDEFINES += -DWLAN_ENABLE_AGEIE_ON_SCAN_RESULTS
 
 CDEFINES += -DWLAN_OPEN_SOURCE