commit c7f6224588862c4c0a5ceb67ea988cbb78f824c3
author Abhiram Jogadenu <ajogaden@codeaurora.org> Tue Nov 21 12:03:05 2017 +0530
committer nshrivas <nshrivas@codeaurora.org> Thu Jul 19 04:29:32 2018 -0700
tree 78a83ec62a5661f1a74c1632cb16043dd3e550c9
parent 0f72e11a1fe572b66294f45de876b8b041f6ee73

qcacmn: Host changes to enable Scan Offset time

Pass offset value to the Firmware to support split scanning
of total dwell time in smaller chunks. Offset passed is
calculated from TBTT.

Change-Id: I8114acd1147d468aa6471f672307d8ea0ec8611d
CRs-Fixed: 2134748

umac/scan/dispatcher/inc/wlan_scan_public_structs.h

diff --git a/umac/scan/dispatcher/inc/wlan_scan_public_structs.h b/umac/scan/dispatcher/inc/wlan_scan_public_structs.h
index e617ae8..d68c500 100644
--- a/umac/scan/dispatcher/inc/wlan_scan_public_structs.h
+++ b/umac/scan/dispatcher/inc/wlan_scan_public_structs.h
@@ -787,6 +787,8 @@
  * @idle_time: idle time
  * @max_scan_time: max scan time
  * @probe_delay: probe delay
+ * @scan_offset_time: Support split scanning on the
+ *                    same channel for CBS feature.
  * @scan_f_passive: passively scan all channels including active channels
  * @scan_f_bcast_probe: add wild card ssid prbreq even if ssid_list is specified
  * @scan_f_cck_rates: add cck rates to rates/xrates ie in prb req
@@ -863,6 +865,7 @@
 	uint32_t idle_time;
 	uint32_t max_scan_time;
 	uint32_t probe_delay;
+	uint32_t scan_offset_time;
 	union {
 		struct {
 			uint32_t scan_f_passive:1,

wmi/src/wmi_unified_non_tlv.c

diff --git a/wmi/src/wmi_unified_non_tlv.c b/wmi/src/wmi_unified_non_tlv.c
index 84d1d4e..90301d9 100644
--- a/wmi/src/wmi_unified_non_tlv.c
+++ b/wmi/src/wmi_unified_non_tlv.c
@@ -1905,8 +1905,9 @@
 	wmi_bssid_list *bssid_list;
 	wmi_ssid_list *ssid_list;
 	wmi_ie_data *ie_data;
+	wmi_scan_start_offset *scan_start_offset;
 	uint32_t *tmp_ptr;
-	int i, len = sizeof(wmi_start_scan_cmd);
+	int i, len = sizeof(wmi_start_scan_cmd), offset = 0;
 
 #ifdef TEST_CODE
 	len += sizeof(wmi_chan_list) + 3 * sizeof(uint32_t);
@@ -2070,6 +2071,17 @@
 		tmp_ptr +=  (2 + (sizeof(wmi_mac_addr) *
 			    param->num_bssid)/sizeof(uint32_t));
 	}
+	if (param->scan_offset_time) {
+		offset = sizeof(param->scan_offset_time) / sizeof(A_UINT32);
+		scan_start_offset = (wmi_scan_start_offset *)tmp_ptr;
+		scan_start_offset->tag = WMI_SCAN_START_OFFSET_TAG;
+		scan_start_offset->num_offset = offset;
+		WMI_HOST_IF_MSG_COPY_CHAR_ARRAY(
+				&scan_start_offset->start_tsf_offset,
+				&param->scan_offset_time,
+				sizeof(param->scan_offset_time));
+		tmp_ptr += (2 + offset);
+	}
 	if (param->extraie.len) {
 		ie_data  = (wmi_ie_data *) tmp_ptr;
 		ie_data->tag = WMI_IE_TAG;