bcmdhd: Adding bw and chanspec as part of the rtt result

Bug: 263532487
Test: RTT aging test passed

Change-Id: Icd286a85c3f90caef46f7507cec5466a8a95a9da
Signed-off-by: Dennis Jeon <dennis.jeon@broadcom.corp-partner.google.com>

4 files changed, 65 insertions, 0 deletions

diff --git a/dhd_rtt.c b/dhd_rtt.c
index 6c6ba2a..cb5b3e6 100644
--- a/dhd_rtt.c
+++ b/dhd_rtt.c
@@ -3698,6 +3698,7 @@ dhd_rtt_convert_results_to_host_v2(rtt_result_t *rtt_result, const uint8 *p_data
 	uint8 num_ftm = 0;
 	char *ftm_frame_types[] =  FTM_FRAME_TYPES;
 	rtt_report_t *rtt_report = &(rtt_result->report);
+	chanspec_bw_t chspec_bw = 0;
 
 	BCM_REFERENCE(ftm_frame_types);
 	BCM_REFERENCE(dist);
@@ -3711,6 +3712,7 @@ dhd_rtt_convert_results_to_host_v2(rtt_result_t *rtt_result, const uint8 *p_data
 	BCM_REFERENCE(chanspec);
 	BCM_REFERENCE(session_state);
 	BCM_REFERENCE(ftm_session_state_value_to_logstr);
+	BCM_REFERENCE(chspec_bw);
 
 	NULL_CHECK(rtt_report, "rtt_report is NULL", err);
 	NULL_CHECK(p_data, "p_data is NULL", err);
@@ -3871,6 +3873,36 @@ dhd_rtt_convert_results_to_host_v2(rtt_result_t *rtt_result, const uint8 *p_data
 			ftm_tmu_value_to_logstr(ltoh16_ua(&p_data_info->u.burst_duration.tmu))));
 		DHD_RTT(("rtt_report->burst_duration : %d\n", rtt_report->burst_duration));
 	}
+
+	if (p_data_info->num_meas && p_sample_avg->chanspec) {
+		chanspec = ltoh32_ua(&p_sample_avg->chanspec);
+#ifdef WL_CFG80211
+		rtt_result->frequency = wl_channel_to_frequency(wf_chspec_ctlchan(chanspec),
+			CHSPEC_BAND(chanspec));
+#endif /* WL_CFG80211 */
+		chspec_bw = CHSPEC_BW(chanspec);
+	}
+
+	/* Map as per host enums */
+	switch (chspec_bw) {
+		case WL_CHANSPEC_BW_20:
+			rtt_result->packet_bw = WIFI_RTT_BW_20;
+			break;
+		case WL_CHANSPEC_BW_40:
+			rtt_result->packet_bw = WIFI_RTT_BW_40;
+			break;
+		case WL_CHANSPEC_BW_80:
+			rtt_result->packet_bw = WIFI_RTT_BW_80;
+			break;
+		case WL_CHANSPEC_BW_160:
+			rtt_result->packet_bw = WIFI_RTT_BW_160;
+			break;
+		default:
+			rtt_result->packet_bw = WIFI_RTT_BW_UNSPECIFIED;
+			DHD_RTT_ERR(("%s Unspecified bw\n", __FUNCTION__));
+			break;
+	}
+
 	/* display detail if available */
 	num_rtt = ltoh16_ua(&p_data_info->num_rtt);
 	if (num_rtt > 0) {
@@ -4127,6 +4159,7 @@ dhd_rtt_convert_results_to_host_v3(rtt_result_t *rtt_result, const uint8 *p_data
 			ftm_tmu_value_to_logstr(ltoh16_ua(&p_data_info->u.burst_duration.tmu))));
 		DHD_RTT(("rtt_report->burst_duration : %d\n", rtt_report->burst_duration));
 	}
+
 	/* display detail if available */
 	num_rtt = ltoh16_ua(&p_data_info->num_rtt);
 	if (num_rtt > 0) {
diff --git a/dhd_rtt.h b/dhd_rtt.h
index 6fb3500..86535c1 100644
--- a/dhd_rtt.h
+++ b/dhd_rtt.h
@@ -159,6 +159,18 @@ enum rtt_rate_bw {
 	RTT_RATE_160M
 };
 
+/* RTT Measurement Bandwidth */
+typedef enum wifi_rtt_bw {
+	WIFI_RTT_BW_UNSPECIFIED = 0x00,
+	WIFI_RTT_BW_5           = 0x01,
+	WIFI_RTT_BW_10          = 0x02,
+	WIFI_RTT_BW_20          = 0x04,
+	WIFI_RTT_BW_40          = 0x08,
+	WIFI_RTT_BW_80          = 0x10,
+	WIFI_RTT_BW_160         = 0x20,
+	WIFI_RTT_BW_320         = 0x40
+} wifi_rtt_bw_t;
+
 typedef enum ranging_type {
 	RTT_TYPE_INVALID	=	0,
 	RTT_TYPE_LEGACY		=	1,
@@ -392,6 +404,7 @@ typedef struct rtt_results_header {
 	struct list_head list;
 	struct list_head result_list;
 } rtt_results_header_t;
+
 struct rtt_result_detail {
 	uint8 num_ota_meas;
 	uint32 result_flags;
@@ -403,6 +416,10 @@ typedef struct rtt_result {
 	int32 report_len; /* total length of rtt_report */
 	struct rtt_result_detail rtt_detail;
 	int32 detail_len;
+	/* primary channel frequency (MHz) used for ranging measurements */
+	wifi_channel frequency;
+	/* RTT packet bandwidth is an average BW of the BWs of RTT frames. */
+	uint8 packet_bw;
 } rtt_result_t;
 
 /* RTT Capabilities */
diff --git a/wl_cfgvendor.c b/wl_cfgvendor.c
index 4419ca3..cfe975f 100755
--- a/wl_cfgvendor.c
+++ b/wl_cfgvendor.c
@@ -2112,6 +2112,19 @@ wl_cfgvendor_rtt_evt(void *ctx, void *rtt_data)
 					ret));
 				goto free_mem;
 			}
+			ret = nla_put_u32(skb, RTT_ATTRIBUTE_RESULT_FREQ,
+				rtt_result->frequency);
+			if (ret < 0) {
+				WL_ERR(("Failed to put RTT_ATTRIBUTE_RESULT_FREQ, ret:%d\n", ret));
+				goto free_mem;
+			}
+
+			ret = nla_put_u32(skb, RTT_ATTRIBUTE_RESULT_BW,
+				rtt_result->packet_bw);
+			if (ret < 0) {
+				WL_ERR(("Failed to put RTT_ATTRIBUTE_RESULT_CNT, ret:%d\n", ret));
+				goto free_mem;
+			}
 		}
 		nla_nest_end(skb, rtt_nl_hdr);
 		cfg80211_vendor_event(skb, kflags);
diff --git a/wl_cfgvendor.h b/wl_cfgvendor.h
index c4bda43..112c766 100644
--- a/wl_cfgvendor.h
+++ b/wl_cfgvendor.h
@@ -466,6 +466,8 @@ enum rtt_attributes {
 	RTT_ATTRIBUTE_RESULT_CNT		= 32,
 	RTT_ATTRIBUTE_RESULT			= 33,
 	RTT_ATTRIBUTE_RESULT_DETAIL		= 34,
+	RTT_ATTRIBUTE_RESULT_FREQ		= 35,
+	RTT_ATTRIBUTE_RESULT_BW			= 36,
 	/* Add any new RTT_ATTRIBUTE prior to RTT_ATTRIBUTE_MAX */
 	RTT_ATTRIBUTE_MAX
 };