qcacld-3.0: Rearrange hdd_wlan_get_version out of wext files

To keep non-wext function out of wext.[c|h], rearrange it to main.[c|h]

And in order to make the interface more generic, change the interface
to take the buffer and length directly.

Change-Id: I1f64cc235b9dee6c574f871b020b0b61c8b427c8
CRs-fixed: 2228717

core/hdd/inc/wlan_hdd_main.h

@@ -3197,4 +3197,32 @@ void hdd_set_disconnect_status(struct hdd_adapter *adapter, bool disconnecting);
 int wlan_hdd_set_mon_chan(struct hdd_adapter *adapter, uint32_t chan,
 			  uint32_t bandwidth);
 
+/**
+ * hdd_wlan_get_version() - Get version information
+ * @hdd_ctx: Global HDD context
+ * @version_len: length of the version buffer size
+ * @version: the buffer to the version string
+ *
+ * This function is used to get Wlan Driver, Firmware, Hardware Version
+ * & the Board related information.
+ *
+ * Return: the length of the version string
+ */
+uint32_t hdd_wlan_get_version(struct hdd_context *hdd_ctx,
+			      const size_t version_len, uint8_t *version);
+
+/**
+ * hdd_update_hw_sw_info() - API to update the HW/SW information
+ * @hdd_ctx: Global HDD context
+ *
+ * API to update the HW and SW information in the driver
+ *
+ * Note:
+ * All the version/revision information would only be retrieved after
+ * firmware download
+ *
+ * Return: None
+ */
+void hdd_update_hw_sw_info(struct hdd_context *hdd_ctx);
+
 #endif /* end #if !defined(WLAN_HDD_MAIN_H) */

core/hdd/inc/wlan_hdd_wext.h

@@ -197,9 +197,6 @@ void hdd_unregister_wext(struct net_device *dev);
  */
 void hdd_register_wext(struct net_device *dev);
 
-void hdd_wlan_get_version(struct hdd_context *hdd_ctx,
-			 union iwreq_data *wrqu, char *extra);
-
 void hdd_wlan_get_stats(struct hdd_adapter *adapter, uint16_t *length,
 		       char *buffer, uint16_t buf_len);
 void hdd_wlan_list_fw_profile(uint16_t *length,

core/hdd/src/wlan_hdd_hostapd.c

@@ -4983,7 +4983,8 @@ __iw_softap_version(struct net_device *dev,
 	if (0 != ret)
 		return ret;
 
-	hdd_wlan_get_version(hdd_ctx, wrqu, extra);
+	wrqu->data.length = hdd_wlan_get_version(hdd_ctx, WE_MAX_STR_LEN,
+						 extra);
 	hdd_exit();
 	return 0;
 }

core/hdd/src/wlan_hdd_main.c

@@ -2354,18 +2354,13 @@ static void hdd_disable_power_management(void)
 	hif_disable_power_management(hif_ctx);
 }
 
-/**
- * hdd_update_hw_sw_info() - API to update the HW/SW information
- *
- * API to update the HW and SW information in the driver
- *
- * Return: None
- */
-static void hdd_update_hw_sw_info(struct hdd_context *hdd_ctx)
+void hdd_update_hw_sw_info(struct hdd_context *hdd_ctx)
 {
 	void *hif_sc;
 	size_t target_hw_name_len;
 	const char *target_hw_name;
+	uint8_t *buf;
+	uint32_t buf_len;
 
 	hif_sc = cds_get_context(QDF_MODULE_ID_HIF);
 	if (!hif_sc) {
@@ -2373,12 +2368,7 @@ static void hdd_update_hw_sw_info(struct hdd_context *hdd_ctx)
 		return;
 	}
 
-	/*
-	 * target hw version/revision would only be retrieved after firmware
-	 * download
-	 */
-	hif_get_hw_info(hif_sc,
-			&hdd_ctx->target_hw_version,
+	hif_get_hw_info(hif_sc, &hdd_ctx->target_hw_version,
 			&hdd_ctx->target_hw_revision,
 			&target_hw_name);
 
@@ -2391,8 +2381,12 @@ static void hdd_update_hw_sw_info(struct hdd_context *hdd_ctx)
 		qdf_mem_copy(hdd_ctx->target_hw_name, target_hw_name,
 			     target_hw_name_len);
 
-	/* Get the wlan hw/fw version */
-	hdd_wlan_get_version(hdd_ctx, NULL, NULL);
+	buf = qdf_mem_malloc(WE_MAX_STR_LEN);
+	if (buf) {
+		buf_len = hdd_wlan_get_version(hdd_ctx, WE_MAX_STR_LEN, buf);
+		hdd_info("%s", buf);
+		qdf_mem_free(buf);
+	}
 }
 
 /**
@@ -2467,6 +2461,37 @@ hdd_update_cds_ac_specs_params(struct hdd_context *hdd_ctx)
 	}
 }
 
+uint32_t hdd_wlan_get_version(struct hdd_context *hdd_ctx,
+			      const size_t version_len, uint8_t *version)
+{
+	uint32_t size;
+	uint32_t msp_id = 0, mspid = 0, siid = 0, crmid = 0, sub_id = 0;
+
+	if (!hdd_ctx) {
+		hdd_err("Invalid context, HDD context is null");
+		return 0;
+	}
+
+	if (!version && version_len == 0) {
+		hdd_err("Invalid buffer pointr or buffer len\n");
+		return 0;
+	}
+
+	msp_id = (hdd_ctx->target_fw_version & 0xf0000000) >> 28;
+	mspid = (hdd_ctx->target_fw_version & 0xf000000) >> 24;
+	siid = (hdd_ctx->target_fw_version & 0xf00000) >> 20;
+	crmid = hdd_ctx->target_fw_version & 0x7fff;
+	sub_id = (hdd_ctx->target_fw_vers_ext & 0xf0000000) >> 28;
+
+	size = scnprintf(version, version_len,
+			 "Host SW:%s, FW:%d.%d.%d.%d.%d, HW:%s",
+			 QWLAN_VERSIONSTR,
+			 msp_id, mspid, siid, crmid, sub_id,
+			 hdd_ctx->target_hw_name);
+
+	return size;
+}
+
 #ifdef IPA_OFFLOAD
 /**
  * hdd_update_ipa_component_config() - update ipa config

core/hdd/src/wlan_hdd_power.c

@@ -1386,7 +1386,7 @@ QDF_STATUS hdd_wlan_re_init(void)
 		goto err_re_init;
 	}
 
-	hdd_wlan_get_version(hdd_ctx, NULL, NULL);
+	hdd_update_hw_sw_info(hdd_ctx);
 
 	wlan_hdd_send_svc_nlink_msg(hdd_ctx->radio_index,
 				WLAN_SVC_FW_CRASHED_IND, NULL, 0);

core/hdd/src/wlan_hdd_wext.c

@@ -3288,60 +3288,6 @@ int hdd_wlan_dump_stats(struct hdd_adapter *adapter, int value)
 	return ret;
 }
 
-/**
- * hdd_wlan_get_version() - Get driver version information
- * @hdd_ctx: Global HDD context
- * @wrqu: Pointer to IOCTL REQUEST Data.
- * @extra: Pointer to destination buffer
- *
- * This function is used to get Wlan Driver, Firmware, & Hardware
- * Version information.  If @wrqu and @extra are specified, then the
- * version string is returned.  Otherwise it is simply printed to the
- * kernel log.
- *
- * Return: none
- */
-void hdd_wlan_get_version(struct hdd_context *hdd_ctx, union iwreq_data *wrqu,
-			  char *extra)
-{
-	tSirVersionString wcnss_sw_version;
-	const char *swversion;
-	const char *hwversion;
-	uint32_t msp_id = 0, mspid = 0, siid = 0, crmid = 0, sub_id = 0;
-
-	if (!hdd_ctx) {
-		hdd_err("Invalid context, HDD context is null");
-		goto error;
-	}
-
-	snprintf(wcnss_sw_version, sizeof(wcnss_sw_version), "%08x",
-		 hdd_ctx->target_fw_version);
-
-	swversion = wcnss_sw_version;
-	msp_id = (hdd_ctx->target_fw_version & 0xf0000000) >> 28;
-	mspid = (hdd_ctx->target_fw_version & 0xf000000) >> 24;
-	siid = (hdd_ctx->target_fw_version & 0xf00000) >> 20;
-	crmid = hdd_ctx->target_fw_version & 0x7fff;
-	sub_id = (hdd_ctx->target_fw_vers_ext & 0xf0000000) >> 28;
-
-	hwversion = hdd_ctx->target_hw_name;
-
-	if (wrqu && extra) {
-		wrqu->data.length =
-			scnprintf(extra, WE_MAX_STR_LEN,
-				  "Host SW:%s, FW:%d.%d.%d.%d.%d, HW:%s",
-				  QWLAN_VERSIONSTR,
-				  msp_id, mspid, siid, crmid,
-				  sub_id, hwversion);
-	} else {
-		pr_info("Host SW:%s, FW:%d.%d.%d.%d.%d, HW:%s\n",
-			QWLAN_VERSIONSTR,
-			msp_id, mspid, siid, crmid, sub_id, hwversion);
-	}
-error:
-	return;
-}
-
 /**
  * hdd_wlan_get_ibss_peer_info() - Print IBSS peer information
  * @adapter: Adapter upon which the IBSS client is active
@@ -6358,7 +6304,8 @@ static int __iw_get_char_setnone(struct net_device *dev,
 	switch (sub_cmd) {
 	case WE_WLAN_VERSION:
 	{
-		hdd_wlan_get_version(hdd_ctx, wrqu, extra);
+		wrqu->data.length = hdd_wlan_get_version(hdd_ctx,
+							 WE_MAX_STR_LEN, extra);
 		break;
 	}