qcacld-3.0: Add roam_reason in roam auth event

Currently, there is no information for roam reason
in hdd.

Fix, Handle roam reason recived from csr, print roam
reason and add roam reason in roam auth event.

Change-Id: Ib9188cb443fa81307fe23d73cce09f7c23bc7a41
CRs-Fixed: 2425910

core/hdd/src/wlan_hdd_cfg80211.c

@@ -4609,6 +4609,41 @@ struct hdd_station_info *hdd_get_stainfo(struct hdd_station_info *astainfo,
 #endif
 
 #ifdef WLAN_FEATURE_ROAM_OFFLOAD
+
+/**
+ * hdd_get_roam_reason() - convert wmi roam reason to
+ * enum qca_roam_reason
+ * @roam_scan_trigger: wmi roam scan trigger ID
+ *
+ * Return: Meaningful qca_roam_reason from enum WMI_ROAM_TRIGGER_REASON_ID
+ */
+static enum qca_roam_reason hdd_get_roam_reason(uint16_t roam_scan_trigger)
+{
+	switch (roam_scan_trigger) {
+	case WMI_ROAM_TRIGGER_REASON_PER:
+		return QCA_ROAM_REASON_PER;
+	case WMI_ROAM_TRIGGER_REASON_BMISS:
+		return QCA_ROAM_REASON_BEACON_MISS;
+	case WMI_ROAM_TRIGGER_REASON_LOW_RSSI:
+	case WMI_ROAM_TRIGGER_REASON_BACKGROUND:
+		return QCA_ROAM_REASON_POOR_RSSI;
+	case WMI_ROAM_TRIGGER_REASON_HIGH_RSSI:
+		return QCA_ROAM_REASON_BETTER_RSSI;
+	case WMI_ROAM_TRIGGER_REASON_DENSE:
+		return QCA_ROAM_REASON_CONGESTION;
+	case WMI_ROAM_TRIGGER_REASON_FORCED:
+		return QCA_ROAM_REASON_USER_TRIGGER;
+	case WMI_ROAM_TRIGGER_REASON_BTM:
+		return QCA_ROAM_REASON_BTM;
+	case WMI_ROAM_TRIGGER_REASON_BSS_LOAD:
+		return QCA_ROAM_REASON_BSS_LOAD;
+	default:
+		return QCA_ROAM_REASON_UNKNOWN;
+	}
+
+	return QCA_ROAM_REASON_UNKNOWN;
+}
+
 /**
  * __wlan_hdd_cfg80211_keymgmt_set_key() - Store the Keys in the driver session
  * @wiphy: pointer to wireless wiphy structure.
@@ -5089,6 +5124,7 @@ int wlan_hdd_send_roam_auth_event(struct hdd_adapter *adapter, uint8_t *bssid,
 	eCsrAuthType auth_type;
 	uint32_t fils_params_len;
 	int status;
+	enum qca_roam_reason hdd_roam_reason;
 
 	hdd_enter();
 
@@ -5114,8 +5150,8 @@ int wlan_hdd_send_roam_auth_event(struct hdd_adapter *adapter, uint8_t *bssid,
 			ETH_ALEN + req_rsn_len + rsp_rsn_len +
 			sizeof(uint8_t) + SIR_REPLAY_CTR_LEN +
 			SIR_KCK_KEY_LEN + roam_info_ptr->kek_len +
-			sizeof(uint8_t) + (8 * NLMSG_HDRLEN) +
-			fils_params_len,
+			sizeof(uint16_t) + sizeof(uint8_t) +
+			(9 * NLMSG_HDRLEN) + fils_params_len,
 			QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_ROAM_AUTH_INDEX,
 			GFP_KERNEL);
 
@@ -5169,6 +5205,15 @@ int wlan_hdd_send_roam_auth_event(struct hdd_adapter *adapter, uint8_t *bssid,
 			goto nla_put_failure;
 		}
 
+		hdd_roam_reason =
+			hdd_get_roam_reason(roam_info_ptr->roam_reason);
+
+		if (nla_put_u16(skb, QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_REASON,
+				hdd_roam_reason)) {
+			hdd_err("roam reason send failure");
+			goto nla_put_failure;
+		}
+
 		status = wlan_hdd_add_fils_params_roam_auth_event(skb,
 							roam_info_ptr);
 		if (status)

core/sme/inc/csr_api.h

@@ -1185,7 +1185,7 @@ struct csr_roam_info {
 	struct sir_sae_info *sae_info;
 #endif
 	struct assoc_ind *owe_pending_assoc_ind;
-	uint8_t roam_reason;
+	uint16_t roam_reason;
 };
 
 typedef struct sSirSmeAssocIndToUpperLayerCnf {