qcacmn: Add support to extract SRP IE in beacon

Added support to extract spatial reuse parameter IE in beacon receive.

Change-Id: Ia7ce2a58ae8b65cddd9b3f8d969bd95b459aab3e
CRs-Fixed: 2033106

umac/cmn_services/cmn_defs/inc/wlan_cmn_ieee80211.h

@@ -243,6 +243,7 @@ enum ext_chan_offset {
  * @WLAN_ELEMID_QUIET_CHANNEL: Quiet Channel
  * @WLAN_ELEMID_OP_MODE_NOTIFY: Operating Mode Notification
  * @WLAN_ELEMID_VENDOR: vendor private
+ * @WLAN_ELEMID_EXTN_ELEM: extended IE
  */
 enum element_ie {
 	WLAN_ELEMID_SSID             = 0,
@@ -312,6 +313,15 @@ enum element_ie {
 	WLAN_ELEMID_QUIET_CHANNEL    = 198,
 	WLAN_ELEMID_OP_MODE_NOTIFY   = 199,
 	WLAN_ELEMID_VENDOR           = 221,
+	WLAN_ELEMID_EXTN_ELEM        = 255,
+};
+
+/**
+ * enum extn_element_ie :- extended management information element
+ * @WLAN_EXTN_ELEMID_SRP: spatial reuse parameter IE
+ */
+enum extn_element_ie {
+	WLAN_EXTN_ELEMID_SRP         = 39,
 };
 
 #define WLAN_OUI_SIZE 4
@@ -516,6 +526,19 @@ struct ie_header {
 	uint8_t ie_len;
 } qdf_packed;
 
+/**
+ * struct extn_ie_header : Extension IE header
+ * @ie_id: Element Id
+ * @ie_len: IE Length
+ * @ie_extn_id: extension id
+ */
+struct extn_ie_header {
+	uint8_t ie_id;
+	uint8_t ie_len;
+	uint8_t ie_extn_id;
+} qdf_packed;
+
+
 /**
  * struct ie_ssid : ssid IE
  * @ssid_id: SSID Element Id
@@ -745,6 +768,43 @@ struct rsn_mdie {
 	uint8_t ft_capab;
 } qdf_packed;
 
+/**
+ * struct srp_ie: Spatial reuse parameter IE
+ * @srp_id: SRP IE id
+ * @srp_len: SRP IE len
+ * @srp_id_extn: SRP Extension ID
+ * @sr_control: sr control
+ * @non_srg_obsspd_max_offset: non srg obsspd max offset
+ * @srg_obss_pd_min_offset: srg obss pd min offset
+ * @srg_obss_pd_max_offset: srg obss pd max offset
+ * @srg_bss_color_bitmap: srg bss color bitmap
+ * @srg_partial_bssid_bitmap: srg partial bssid bitmap
+ */
+struct wlan_srp_ie {
+	uint8_t srp_id;
+	uint8_t srp_len;
+	uint8_t srp_id_extn;
+	uint8_t sr_control;
+	union {
+		struct {
+			uint8_t non_srg_obsspd_max_offset;
+			uint8_t srg_obss_pd_min_offset;
+			uint8_t srg_obss_pd_max_offset;
+			uint8_t srg_bss_color_bitmap[8];
+			uint8_t srg_partial_bssid_bitmap[8];
+		} qdf_packed nonsrg_srg_info;
+		struct {
+			uint8_t non_srg_obsspd_max_offset;
+		} qdf_packed nonsrg_info;
+		struct {
+			uint8_t srg_obss_pd_min_offset;
+			uint8_t srg_obss_pd_max_offset;
+			uint8_t srg_bss_color_bitmap[8];
+			uint8_t srg_partial_bssid_bitmap[8];
+		} qdf_packed srg_info;
+	};
+} qdf_packed;
+
 /**
  * is_wpa_oui() - If vendor IE is WPA type
  * @frm: vendor IE pointer

umac/scan/dispatcher/inc/wlan_scan_public_structs.h

@@ -114,6 +114,7 @@ struct element_info {
  * @cswrp:      pointer to channel switch announcement wrapper ie
  * @widebw:     pointer to wide band channel switch sub ie
  * @txpwrenvlp: pointer to tx power envelop sub ie
+ * @srp: pointer to spatial reuse parameter sub extended ie
  */
 struct ie_list {
 	uint8_t *tim;
@@ -154,6 +155,7 @@ struct ie_list {
 	uint8_t *mdie;
 	uint8_t *hecap;
 	uint8_t *heop;
+	uint8_t *srp;
 };
 
 /**

umac/scan/dispatcher/inc/wlan_scan_utils_api.h

@@ -1274,6 +1274,21 @@ util_scan_entry_heop(struct scan_cache_entry *scan_entry)
 	return scan_entry->ie_list.heop;
 }
 
+/**
+ * util_scan_entry_spatial_reuse_parameter() - function to read spatial reuse
+ *                                             parameter ie
+ * @scan_entry: scan entry
+ *
+ * API, function to read scan_entry reuse parameter ie
+ *
+ * Return, spatial reuse parameter ie or NULL if ie is not present
+ */
+static inline uint8_t*
+util_scan_entry_spatial_reuse_parameter(struct scan_cache_entry *scan_entry)
+{
+	return scan_entry->ie_list.srp;
+}
+
 /**
  * util_get_last_scan_time() - function to get last scan time on this pdev
  * @vdev: vdev object

umac/scan/dispatcher/src/wlan_scan_utils_api.c

@@ -341,6 +341,21 @@ util_scan_is_hidden_ssid(struct ie_ssid *ssid)
 	return true;
 }
 
+static void
+util_scan_parse_extn_ie(struct scan_cache_entry *scan_params,
+	struct ie_header *ie)
+{
+	struct extn_ie_header *extn_ie = (struct extn_ie_header *) ie;
+
+	switch (extn_ie->ie_extn_id) {
+	case WLAN_EXTN_ELEMID_SRP:
+		scan_params->ie_list.srp = (uint8_t *)ie;
+		break;
+	default:
+		break;
+	}
+}
+
 static void
 util_scan_parse_vendor_ie(struct scan_cache_entry *scan_params,
 	struct ie_header *ie)
@@ -521,6 +536,9 @@ util_scan_populate_bcn_ie_list(struct scan_cache_entry *scan_params)
 				return status;
 			}
 			break;
+		case WLAN_ELEMID_EXTN_ELEM:
+			util_scan_parse_extn_ie(scan_params, ie);
+			break;
 		default:
 			break;
 		}