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

dp/wifi3.0/dp_htt.c

@@ -606,6 +606,15 @@ htt_htc_pkt_pool_free(struct htt_soc *soc)
 	soc->htt_htc_pkt_freelist = NULL;
 }
 
+#ifdef ENABLE_CE4_COMP_DISABLE_HTT_HTC_MISC_LIST
+
+static void
+htt_htc_misc_pkt_list_add(struct htt_soc *soc, struct dp_htt_htc_pkt *pkt)
+{
+}
+
+#else  /* ENABLE_CE4_COMP_DISABLE_HTT_HTC_MISC_LIST */
+
 /*
  * htt_htc_misc_pkt_list_trim() - trim misc list
  * @htt_soc: HTT SOC handle
@@ -668,6 +677,8 @@ htt_htc_misc_pkt_list_add(struct htt_soc *soc, struct dp_htt_htc_pkt *pkt)
 	htt_htc_misc_pkt_list_trim(soc, misclist_trim_level);
 }
 
+#endif  /* ENABLE_CE4_COMP_DISABLE_HTT_HTC_MISC_LIST */
+
 /**
  * DP_HTT_SEND_HTC_PKT() - Send htt packet from host
  * @soc : HTT SOC handle
@@ -778,6 +789,7 @@ dp_htt_h2t_send_complete_free_netbuf(
 	qdf_nbuf_free(netbuf);
 }
 
+#ifdef ENABLE_CE4_COMP_DISABLE_HTT_HTC_MISC_LIST
 /*
  * dp_htt_h2t_send_complete() - H2T completion handler
  * @context:	Opaque context (HTT SOC handle)
@@ -785,9 +797,36 @@ dp_htt_h2t_send_complete_free_netbuf(
  */
 static void
 dp_htt_h2t_send_complete(void *context, HTC_PACKET *htc_pkt)
+{
+	struct htt_soc *soc =  (struct htt_soc *) context;
+	struct dp_htt_htc_pkt *htt_pkt;
+	qdf_nbuf_t netbuf;
+
+	htt_pkt = container_of(htc_pkt, struct dp_htt_htc_pkt, htc_pkt);
+
+	/* process (free or keep) the netbuf that held the message */
+	netbuf = (qdf_nbuf_t) htc_pkt->pNetBufContext;
+	/*
+	 * adf sendcomplete is required for windows only
+	 */
+	/* qdf_nbuf_set_sendcompleteflag(netbuf, TRUE); */
+	/* free the htt_htc_pkt / HTC_PACKET object */
+	qdf_nbuf_free(netbuf);
+	htt_htc_pkt_free(soc, htt_pkt);
+}
+
+#else /* ENABLE_CE4_COMP_DISABLE_HTT_HTC_MISC_LIST */
+
+/*
+ *  * dp_htt_h2t_send_complete() - H2T completion handler
+ *   * @context:    Opaque context (HTT SOC handle)
+ *    * @htc_pkt:    HTC packet
+ *     */
+static void
+dp_htt_h2t_send_complete(void *context, HTC_PACKET *htc_pkt)
 {
 	void (*send_complete_part2)(
-		void *soc, QDF_STATUS status, qdf_nbuf_t msdu);
+	     void *soc, QDF_STATUS status, qdf_nbuf_t msdu);
 	struct htt_soc *soc =  (struct htt_soc *) context;
 	struct dp_htt_htc_pkt *htt_pkt;
 	qdf_nbuf_t netbuf;
@@ -800,16 +839,18 @@ dp_htt_h2t_send_complete(void *context, HTC_PACKET *htc_pkt)
 	netbuf = (qdf_nbuf_t) htc_pkt->pNetBufContext;
 	/*
 	 * adf sendcomplete is required for windows only
-	 */
+	*/
 	/* qdf_nbuf_set_sendcompleteflag(netbuf, TRUE); */
-	if (send_complete_part2) {
+	if (send_complete_part2){
 		send_complete_part2(
-			htt_pkt->soc_ctxt, htc_pkt->Status, netbuf);
+		    htt_pkt->soc_ctxt, htc_pkt->Status, netbuf);
 	}
 	/* free the htt_htc_pkt / HTC_PACKET object */
 	htt_htc_pkt_free(soc, htt_pkt);
 }
 
+#endif /* ENABLE_CE4_COMP_DISABLE_HTT_HTC_MISC_LIST */
+
 /*
  * htt_h2t_ver_req_msg() - Send HTT version request message to target
  * @htt_soc:	HTT SOC handle

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 ||
+			if (check_ce_id_and_epping_enabled(CE_id, mode)) {
-			    QDF_IS_EPPING_ENABLED(mode)) {
 				qdf_spin_unlock(&CE_state->ce_index_lock);
 				CE_state->send_cb((struct CE_handle *)CE_state,
 						  CE_context, transfer_context,

htc/htc_send.c

@@ -2459,7 +2459,9 @@ QDF_STATUS htc_tx_completion_handler(void *Context,
 			netbuf = NULL;
 			break;
 		}
-		if (pPacket->PktInfo.AsTx.Tag != HTC_TX_PACKET_TAG_AUTO_PM)
+		if (pPacket->PktInfo.AsTx.Tag != HTC_TX_PACKET_TAG_AUTO_PM &&
+		    pPacket->PktInfo.AsTx.Tag != HTC_TX_PACKET_TAG_RUNTIME_PUT &&
+		    pPacket->PktInfo.AsTx.Tag != HTC_TX_PACKET_TAG_RTPM_PUT_RC)
 			hif_pm_runtime_put(target->hif_dev,
 					   RTPM_ID_WMI);