qcacmn: Add fastpath Rx support

With dedicated CE for Rx and Tx completion HTT messages, skip processing
in Host Target Communication layer.
Do special handling in HIF-CE and HTT layer, this optimization results
in 3-4% CPU utilization gain.

Change-Id: I400148a0e24ac62dd09e2a95d5f35d94d83fe2df
CRs-Fixed: 987182

qdf/inc/osdep.h

@@ -184,4 +184,16 @@ static inline unsigned char *os_malloc(osdev_t nic_dev,
 #define    SET_NETDEV_DEV(ndev, pdev)
 #endif
 
+#define OS_SYNC_SINGLE_FOR_CPU(pdev, paddr_lo, len, oprn)  \
+{						           \
+	dma_sync_single_for_cpu(pdev, paddr_lo, len, oprn); \
+}
+
+#define OS_SYNC_SINGLE_FOR_DEVICE(pdev, paddr_lo, len, oprn) \
+{							     \
+	dma_sync_single_for_device(pdev, paddr_lo, len, oprn);\
+}
+
+#define SLOTS_PER_TX 2
+
 #endif /* end of _OSDEP_H */

qdf/inc/qdf_nbuf.h

@@ -420,6 +420,24 @@ static inline void qdf_nbuf_free(qdf_nbuf_t buf)
 
 #endif
 
+#ifdef WLAN_FEATURE_FASTPATH
+/**
+ * qdf_nbuf_init_fast() - before put buf into pool,turn it to init state
+ *
+ * @buf: buf instance
+ * Return: data pointer of this buf where new data has to be
+ *         put, or NULL if there is not enough room in this buf.
+ */
+
+static inline void
+qdf_nbuf_init_fast(qdf_nbuf_t nbuf)
+{
+	atomic_set(&nbuf->users, 1);
+	nbuf->data = nbuf->head + NET_SKB_PAD;
+	skb_reset_tail_pointer(nbuf);
+}
+#endif /* WLAN_FEATURE_FASTPATH */
+
 static inline void qdf_nbuf_tx_free(qdf_nbuf_t buf_list, int tx_err)
 {
 	__qdf_nbuf_tx_free(buf_list, tx_err);