qcacmn: Reorganise DP init-deinit path to reuse memory

Avoid memory fragmentation that happens during
attach-detach flow.
- Reuse transmit allocated static pool memory across soc up/down.
 These memories are allocated during soc attach.
- Reuse DP source ring memory, DP soc context, DP pdev context
  across soc up/down.
- Reorganise structure members of DP soc and DP pdev so that
  we can zero out structure members across soc up/down
- Add cdp soc init/deinit and cdp pdev init/deinit that
  will be active across soc up/down

Change-Id: I5732453f617bdc16995fda916b645c41845c3ecb

dp/wifi3.0/dp_tx.h

@@ -142,6 +142,28 @@ void dp_tx_vdev_update_search_flags(struct dp_vdev *vdev);
 QDF_STATUS dp_tx_soc_attach(struct dp_soc *soc);
 QDF_STATUS dp_tx_soc_detach(struct dp_soc *soc);
 
+/**
+ * dp_tso_attach() - TSO Attach handler
+ * @txrx_soc: Opaque Dp handle
+ *
+ * Reserve TSO descriptor buffers
+ *
+ * Return: QDF_STATUS_E_FAILURE on failure or
+ * QDF_STATUS_SUCCESS on success
+ */
+QDF_STATUS dp_tso_soc_attach(void *txrx_soc);
+
+/**
+ * dp_tso_detach() - TSO Detach handler
+ * @txrx_soc: Opaque Dp handle
+ *
+ * Deallocate TSO descriptor buffers
+ *
+ * Return: QDF_STATUS_E_FAILURE on failure or
+ * QDF_STATUS_SUCCESS on success
+ */
+QDF_STATUS dp_tso_soc_detach(void *txrx_soc);
+
 QDF_STATUS dp_tx_pdev_detach(struct dp_pdev *pdev);
 QDF_STATUS dp_tx_pdev_attach(struct dp_pdev *pdev);