qcacmn: Add HTT HTC tx completion based packet free

Add CE4 tx completion for htt htc packets. current logic
uses htt htc misc list to free packets.

Change-Id: Iea15d0dba544d3cc7581b11aa7ab7e5c0024133a
CRs-Fixed: 2630768

hif/src/ce/ce_assignment.h

@@ -74,6 +74,12 @@ static void hif_target_dump_access_log(void);
 #define CE_ATTR_DIAG_FLAGS \
 	(CE_ATTR_FLAGS | CE_ATTR_DIAG)
 
+#ifdef ENABLE_CE4_COMP_DISABLE_HTT_HTC_MISC_LIST
+#define CE4_COMP_HTT_HTC CE_ATTR_FLAGS
+#else
+#define CE4_COMP_HTT_HTC (CE_ATTR_FLAGS | CE_ATTR_DISABLE_INTR)
+#endif
+
 #ifdef QCN7605_SUPPORT
 
 #define QCN7605_CE_COUNT 9
@@ -1274,7 +1280,7 @@ static struct CE_attr host_ce_config_wlan_qca6490[] = {
 	/* host->target WMI */
 	{ /* CE3 */ CE_ATTR_FLAGS, 0, 32, 2048, 0, NULL,},
 	/* host->target HTT */
-	{ /* CE4 */ (CE_ATTR_FLAGS | CE_ATTR_DISABLE_INTR), 0,
+	{ /* CE4 */ CE4_COMP_HTT_HTC, 0,
 		CE_HTT_H2T_MSG_SRC_NENTRIES_QCA6490, 256, 0, NULL,},
 	/* target -> host PKTLOG */
 	{ /* CE5 */ CE_ATTR_FLAGS, 0, 0, 2048, 512, NULL,},

hif/src/ce/ce_main.c

@@ -2519,7 +2519,7 @@ void hif_send_complete_check(struct hif_opaque_softc *hif_ctx, uint8_t pipe,
 									 1))
 			return;
 	}
-#if ATH_11AC_TXCOMPACT
+#ifdef ATH_11AC_TXCOMPACT
 	ce_per_engine_servicereap(scn, pipe);
 #else
 	ce_per_engine_service(scn, pipe);

hif/src/ce/ce_service.c

@@ -923,6 +923,27 @@ void ce_per_engine_servicereap(struct hif_softc *scn, unsigned int ce_id)
 
 #endif /*ATH_11AC_TXCOMPACT */
 
+#ifdef ENABLE_CE4_COMP_DISABLE_HTT_HTC_MISC_LIST
+static inline bool check_ce_id_and_epping_enabled(int CE_id, uint32_t mode)
+{
+	// QDF_IS_EPPING_ENABLED is pre lithium feature
+	// CE4 completion is enabled only lithium and later
+	// so no need to check for EPPING
+	return true;
+}
+
+#else /* ENABLE_CE4_COMP_DISABLE_HTT_HTC_MISC_LIST */
+
+static inline bool check_ce_id_and_epping_enabled(int CE_id, uint32_t mode)
+{
+	if (CE_id != CE_HTT_H2T_MSG || QDF_IS_EPPING_ENABLED(mode))
+		return true;
+	else
+		return false;
+}
+
+#endif /* ENABLE_CE4_COMP_DISABLE_HTT_HTC_MISC_LIST */
+
 /*
  * ce_engine_service_reg:
  *
@@ -1006,8 +1027,7 @@ more_completions:
 			 &id, &sw_idx, &hw_idx,
 			 &toeplitz_hash_result) == QDF_STATUS_SUCCESS) {
 
-			if (CE_id != CE_HTT_H2T_MSG ||
-			    QDF_IS_EPPING_ENABLED(mode)) {
+			if (check_ce_id_and_epping_enabled(CE_id, mode)) {
 				qdf_spin_unlock(&CE_state->ce_index_lock);
 				CE_state->send_cb((struct CE_handle *)CE_state,
 						  CE_context, transfer_context,