qcacmn: Add support for checksum from FW for pktlog

If the FW sends a pktlog checksum in the FW ready event, store that in
pl_dev and use it as buf_hdr.version in the pktlog buffer header.

Also, use a new magic value to identify the checksum in the
buf_hdr.version field.

If the FW does not send the checksum, then the existing magic number
and standard version number would be maintained.

Change-Id: Ib08c093a9b54495a2c5b7e0e163207f2b1eb4ce2
CRs-Fixed: 2508828

target_if/core/inc/target_if.h

@@ -215,6 +215,7 @@ struct tgt_info {
  * @sw_version_check: Checks the SW version
  * @smart_log_enable: Enable Smart Logs feature
  * @cfr_support_enable: CFR support enable
+ * @set_pktlog_checksum: Set the pktlog checksum from FW ready event to pl_dev
  */
 struct target_ops {
 	QDF_STATUS (*ext_resource_config_enable)
@@ -275,6 +276,8 @@ struct target_ops {
 	void (*cfr_support_enable)
 		(struct wlan_objmgr_psoc *psoc,
 		 struct target_psoc_info *tgt_info, uint8_t *event);
+	void (*set_pktlog_checksum)
+		(struct wlan_objmgr_pdev *pdev, uint32_t checksum);
 };
 
 
@@ -1770,6 +1773,24 @@ static inline void target_if_cfr_support_enable(struct wlan_objmgr_psoc *psoc,
 		tgt_hdl->tif_ops->cfr_support_enable(psoc, tgt_hdl, evt_buf);
 }
 
+/**
+ * target_if_set_pktlog_checksum - Set pktlog checksum
+ * @pdev: pdev object
+ * @tgt_hdl: target_psoc_info pointer
+ * @checksum: checksum received from FW
+ *
+ * API to set pktlog checksum
+ *
+ * Return: none
+ */
+static inline void target_if_set_pktlog_checksum(struct wlan_objmgr_pdev *pdev,
+			struct target_psoc_info *tgt_hdl, uint32_t checksum)
+{
+	if ((tgt_hdl->tif_ops) &&
+	    (tgt_hdl->tif_ops->set_pktlog_checksum))
+		tgt_hdl->tif_ops->set_pktlog_checksum(pdev, checksum);
+}
+
 /**
  * target_if_atf_cfg_enable - Enable ATF config
  * @psoc:  psoc object

target_if/init_deinit/src/init_event_handler.c

@@ -446,6 +446,22 @@ static int init_deinit_ready_event_handler(ol_scn_t scn_handle,
 		}
 
 	num_radios = target_psoc_get_num_radios(tgt_hdl);
+
+	if (ready_ev.pktlog_defs_checksum) {
+		for (i = 0; i < num_radios; i++) {
+			pdev = wlan_objmgr_get_pdev_by_id(psoc, i,
+							  WLAN_INIT_DEINIT_ID);
+			if (!pdev) {
+				target_if_err(" PDEV %d is NULL", i);
+				return -EINVAL;
+			}
+			target_if_set_pktlog_checksum(pdev, tgt_hdl,
+						      ready_ev.
+						      pktlog_defs_checksum);
+			wlan_objmgr_pdev_release_ref(pdev, WLAN_INIT_DEINIT_ID);
+		}
+	}
+
 	/*
 	 * For non-legacy HW, MAC addr list is extracted.
 	 */

wmi/inc/wmi_unified_param.h

@@ -7108,6 +7108,10 @@ struct coex_config_params {
  *                  radar detection, concurrently with using another radio
  *                  chain for non-160 MHz regular operation.
  * @max_ast_index: Max number of AST entries that FW could allocate.
+ * @pktlog_defs_checksum: checksum computed from the definitions of the enums
+ *                        and structs used within pktlog traces. This is sent
+ *                        from the FW as part of FW ready event and needs
+ *                        to be embedded in the pktlog buffer header as version.
  */
 struct wmi_host_ready_ev_param {
 	uint32_t status;
@@ -7117,6 +7121,7 @@ struct wmi_host_ready_ev_param {
 	uint32_t num_extra_peer;
 	bool agile_capability;
 	uint32_t max_ast_index;
+	uint32_t pktlog_defs_checksum;
 };
 
 enum bcn_offload_control_param {

wmi/src/wmi_unified_tlv.c

@@ -8443,6 +8443,7 @@ static QDF_STATUS extract_ready_event_params_tlv(wmi_unified_t wmi_handle,
 	 * as per aDFS FR
 	 */
 	ev_param->max_ast_index = ev->max_ast_index;
+	ev_param->pktlog_defs_checksum = ev->pktlog_defs_checksum;
 	ev_param->agile_capability = 1;
 
 	return QDF_STATUS_SUCCESS;