qcacmn: Query HIF for FastPath support

Data Path bypasses transport layer for better throughput's.
Instead of dereferencing HIF structures, query HIF for fastpath
mode support

Change-Id: Icba897c9405084f1c14c7db4059527a96d841736
CRs-Fixed: 967765

hif/inc/hif.h

@@ -407,7 +407,9 @@ CDF_STATUS hif_diag_write_mem(struct ol_softc *scn, uint32_t address,
  * Set the FASTPATH_mode_on flag in sc, for use by data path
  */
 #ifdef WLAN_FEATURE_FASTPATH
-void hif_enable_fastpath(struct ol_softc *hif_dev);
+void hif_enable_fastpath(struct ol_softc *hif_ctx);
+bool hif_is_fastpath_mode_enabled(struct ol_softc *hif_ctx);
+void *hif_get_ce_handle(struct ol_softc *hif_ctx, int);
 #endif
 
 #if defined(HIF_PCI) && !defined(A_SIMOS_DEVHOST)
@@ -655,7 +657,10 @@ void hif_get_hw_info(struct ol_softc *scn, u32 *version, u32 *revision,
 		     const char **target_name);
 struct hif_target_info *hif_get_target_info_handle(struct ol_softc *scn);
 struct hif_config_info *hif_get_ini_handle(struct ol_softc *scn);
-struct bmi_info *hif_get_bmi_ctx(void *hif_ctx);
+struct bmi_info *hif_get_bmi_ctx(struct ol_softc *scn);
+void hif_lro_flush_cb_register(struct ol_softc *scn,
+			       void (handler)(void *), void *data);
+void hif_lro_flush_cb_deregister(struct ol_softc *scn);
 #ifdef __cplusplus
 }
 #endif

hif/src/ce/ce_main.c

@@ -1071,17 +1071,43 @@ CDF_STATUS hif_start(struct ol_softc *scn)
 #ifdef WLAN_FEATURE_FASTPATH
 /**
  * hif_enable_fastpath() Update that we have enabled fastpath mode
- * @hif_device: HIF context
+ * @hif_ctx: HIF context
  *
  * For use in data path
  *
  * Retrun: void
  */
-void
-hif_enable_fastpath(struct ol_softc *hif_device)
+void hif_enable_fastpath(struct ol_softc *hif_ctx)
 {
 	HIF_INFO("Enabling fastpath mode\n");
-	hif_device->fastpath_mode_on = 1;
+	hif_ctx->fastpath_mode_on = 1;
+}
+
+/**
+ * hif_is_fastpath_mode_enabled - API to query if fasthpath mode is enabled
+ * @hif_ctx: HIF Context
+ *
+ * For use in data path to skip HTC
+ *
+ * Return: bool
+ */
+bool hif_is_fastpath_mode_enabled(struct ol_softc *hif_ctx)
+{
+	return hif_ctx->fastpath_mode_on;
+}
+
+/**
+ * hif_get_ce_handle - API to get CE handle for FastPath mode
+ * @hif_ctx: HIF Context
+ * @id: CopyEngine Id
+ *
+ * API to return CE handle for fastpath mode
+ *
+ * Return: void
+ */
+void *hif_get_ce_handle(struct ol_softc *hif_ctx, int id)
+{
+	return hif_ctx->ce_id_to_state[id];
 }
 #endif /* WLAN_FEATURE_FASTPATH */
 

hif/src/hif_main.c

@@ -866,3 +866,30 @@ struct hif_target_info *hif_get_target_info_handle(struct ol_softc *scn)
 {
 	return &scn->target_info;
 }
+
+#if defined(FEATURE_LRO)
+/**
+ * hif_lro_flush_cb_register - API to register for LRO Flush Callback
+ * @scn: HIF Context
+ * @handler: Function pointer to be called by HIF
+ * @data: Private data to be used by the module registering to HIF
+ *
+ * Return: void
+ */
+void hif_lro_flush_cb_register(struct ol_softc *scn,
+				void (handler)(void *), void *data)
+{
+	ce_lro_flush_cb_register(scn, handler, data);
+}
+
+/**
+ * hif_lro_flush_cb_deregister - API to deregister for LRO Flush Callbacks
+ * @scn: HIF Context
+ *
+ * Return: void
+ */
+void hif_lro_flush_cb_deregister(struct ol_softc *scn)
+{
+	ce_lro_flush_cb_deregister(scn);
+}
+#endif