qcacmn: Add direct rx buffer changes for CFR requirements

CFR requires to configure the number of DBRs that can be packed
in a single DBR event. Currently, this is fixed value.
Make this configurable at the time of registration.

CRs-Fixed: 2415489
Change-Id: Ifcd606641f986a5345f8ccb361c3f45db07fdc37

target_if/direct_buf_rx/inc/target_if_direct_buf_rx_api.h

@@ -86,6 +86,16 @@ struct direct_buf_rx_data {
 	struct direct_buf_rx_metadata meta_data;
 };
 
+/**
+ * struct dbr_module_config - module configuration for dbr
+ * @num_resp_per_event: Number of events to be packed together
+ * @event_timeout_in_ms: Timeout until which multiple events can be packed
+ */
+struct dbr_module_config {
+	uint32_t num_resp_per_event;
+	uint32_t event_timeout_in_ms;
+};
+
 /**
  * direct_buf_rx_init() - Function to initialize direct buf rx module
  *

target_if/direct_buf_rx/src/target_if_direct_buf_rx_main.c

@@ -566,6 +566,7 @@ static QDF_STATUS target_if_dbr_cfg_tgt(struct wlan_objmgr_pdev *pdev,
 	struct direct_buf_rx_cfg_req dbr_cfg_req = {0};
 	struct direct_buf_rx_ring_cfg *dbr_ring_cfg;
 	struct direct_buf_rx_ring_cap *dbr_ring_cap;
+	struct dbr_module_config *dbr_config;
 
 	direct_buf_rx_enter();
 
@@ -577,6 +578,7 @@ static QDF_STATUS target_if_dbr_cfg_tgt(struct wlan_objmgr_pdev *pdev,
 
 	dbr_ring_cfg = mod_param->dbr_ring_cfg;
 	dbr_ring_cap = mod_param->dbr_ring_cap;
+	dbr_config = &mod_param->dbr_config;
 	wmi_hdl = lmac_get_pdev_wmi_handle(pdev);
 	if (!wmi_hdl) {
 		direct_buf_rx_err("WMI handle null. Can't send WMI CMD");
@@ -601,8 +603,8 @@ static QDF_STATUS target_if_dbr_cfg_tgt(struct wlan_objmgr_pdev *pdev,
 						& 0xFFFFFFFF00000000;
 	dbr_cfg_req.num_elems = dbr_ring_cap->ring_elems_min;
 	dbr_cfg_req.buf_size = dbr_ring_cap->min_buf_size;
-	dbr_cfg_req.num_resp_per_event = DBR_NUM_RESP_PER_EVENT;
-	dbr_cfg_req.event_timeout_ms = DBR_EVENT_TIMEOUT_IN_MS;
+	dbr_cfg_req.num_resp_per_event = dbr_config->num_resp_per_event;
+	dbr_cfg_req.event_timeout_ms = dbr_config->event_timeout_in_ms;
 	direct_buf_rx_info("pdev id %d mod id %d base addr lo %x\n"
 			   "base addr hi %x head idx addr lo %x\n"
 			   "head idx addr hi %x tail idx addr lo %x\n"
@@ -670,12 +672,14 @@ dbr_srng_init_failed:
 
 QDF_STATUS target_if_direct_buf_rx_module_register(
 			struct wlan_objmgr_pdev *pdev, uint8_t mod_id,
+			struct dbr_module_config *dbr_config,
 			bool (*dbr_rsp_handler)
 			     (struct wlan_objmgr_pdev *pdev,
 			      struct direct_buf_rx_data *dbr_data))
 {
 	QDF_STATUS status;
 	struct direct_buf_rx_pdev_obj *dbr_pdev_obj;
+	struct dbr_module_config *config = NULL;
 
 	if (!pdev) {
 		direct_buf_rx_err("pdev context passed is null");
@@ -712,8 +716,10 @@ QDF_STATUS target_if_direct_buf_rx_module_register(
 		return QDF_STATUS_E_FAILURE;
 	}
 
+	config = &dbr_pdev_obj->dbr_mod_param[mod_id].dbr_config;
 	dbr_pdev_obj->dbr_mod_param[mod_id].dbr_rsp_handler =
 			dbr_rsp_handler;
+	*config = *dbr_config;
 
 	status = target_if_init_dbr_ring(pdev, dbr_pdev_obj,
 					 (enum DBR_MODULE)mod_id);

target_if/direct_buf_rx/src/target_if_direct_buf_rx_main.h

@@ -28,8 +28,6 @@ struct wlan_lmac_if_tx_ops;
 struct direct_buf_rx_data;
 
 #define DBR_RING_BASE_ALIGN 8
-#define DBR_EVENT_TIMEOUT_IN_MS 1
-#define DBR_NUM_RESP_PER_EVENT 2
 
 /**
  * struct direct_buf_rx_info - direct buffer rx operation info struct
@@ -85,6 +83,7 @@ struct direct_buf_rx_ring_cap {
 /**
  * struct direct_buf_rx_module_param - DMA module param
  * @mod_id: Module ID
+ * @dbr_config: Pointer to dirct buf rx module configuration struct
  * @dbr_ring_cap: Pointer to direct buf rx ring capabilities struct
  * @dbr_ring_cfg: Pointer to direct buf rx ring config struct
  * @dbr_buf_pool: Pointer to direct buf rx buffer pool struct
@@ -92,6 +91,7 @@ struct direct_buf_rx_ring_cap {
  */
 struct direct_buf_rx_module_param {
 	enum DBR_MODULE mod_id;
+	struct dbr_module_config dbr_config;
 	struct direct_buf_rx_ring_cap *dbr_ring_cap;
 	struct direct_buf_rx_ring_cfg *dbr_ring_cfg;
 	struct direct_buf_rx_buf_info *dbr_buf_pool;
@@ -222,6 +222,7 @@ QDF_STATUS target_if_deinit_dbr_ring(struct wlan_objmgr_pdev *pdev,
  *                                             buffer rx module
  * @pdev: pointer to pdev object
  * @mod_id: module id indicating the module using direct buffer rx framework
+ * @dbr_config: dbr module configuration params
  * @dbr_rsp_handler: function pointer pointing to the response handler to be
  *                   invoked for the module registering to direct buffer rx
  *                   module
@@ -230,6 +231,7 @@ QDF_STATUS target_if_deinit_dbr_ring(struct wlan_objmgr_pdev *pdev,
  */
 QDF_STATUS target_if_direct_buf_rx_module_register(
 			struct wlan_objmgr_pdev *pdev, uint8_t mod_id,
+			struct dbr_module_config *dbr_config,
 			bool (*dbr_rsp_handler)
 			     (struct wlan_objmgr_pdev *pdev,
 			      struct direct_buf_rx_data *dbr_data));