qcacmn: cdp: Converge cdp_peer_ops

Currently cdp ops are given pdev/vdev/peer
handle as its arguments, which is directly
accessed in those APIs. This can cause a
race-condition in access of the respective
handles if it has been deleted in parallel.

Hence as a part of cdp convergence, pass only
the pdev_id or vdev_id or peer mac address,
which will be used to get the respective handles,
and hence avoiding the unwanted access of the
handles if it has been deleted.

Also remove the ops which are used to store
and retrieve such handles, that no more needed.

- register_peer
- clear_peer
- change_peer_state
- peer_get_ref_by_addr
- peer_release_ref
- peer_state_update
- get_vdev_by_sta_id
- register_ocb_peer
- get_peer_state
- get_vdev_for_peer
- update_ibss_add_peer_num_of_vdev
- remove_peers_for_vdev
- remove_peers_for_vdev_no_lock
- copy_mac_addr_raw
- add_last_real_peer
- is_vdev_restore_last_peer
- update_last_real_peer
- peer_detach_force_delete

Change-Id: I4a41211464a30e018e8b73b8e9b91c7a509327b4
CRs-Fixed: 2541711

dp/wifi3.0/dp_internal.h

@@ -910,27 +910,133 @@ extern struct dp_peer *dp_peer_find_hash_find(struct dp_soc *soc,
 	uint8_t *peer_mac_addr, int mac_addr_is_aligned, uint8_t vdev_id);
 
 #ifdef DP_PEER_EXTENDED_API
-QDF_STATUS dp_register_peer(struct cdp_pdev *pdev_handle,
-		struct ol_txrx_desc_type *sta_desc);
-QDF_STATUS dp_clear_peer(struct cdp_pdev *pdev_handle,
+/**
+ * dp_register_peer() - Register peer into physical device
+ * @soc_hdl - data path soc handle
+ * @pdev_id - device instance id
+ * @sta_desc - peer description
+ *
+ * Register peer into physical device
+ *
+ * Return: QDF_STATUS_SUCCESS registration success
+ *         QDF_STATUS_E_FAULT peer not found
+ */
+QDF_STATUS dp_register_peer(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
+			    struct ol_txrx_desc_type *sta_desc);
+
+/**
+ * dp_clear_peer() - remove peer from physical device
+ * @soc_hdl - data path soc handle
+ * @pdev_id - device instance id
+ * @peer_addr - peer mac address
+ *
+ * remove peer from physical device
+ *
+ * Return: QDF_STATUS_SUCCESS registration success
+ *         QDF_STATUS_E_FAULT peer not found
+ */
+QDF_STATUS dp_clear_peer(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
 			 struct qdf_mac_addr peer_addr);
+
+/*
+ * dp_find_peer_exist - find peer if already exists
+ * @soc: datapath soc handle
+ * @pdev_id: physical device instance id
+ * @peer_mac_addr: peer mac address
+ *
+ * Return: true or false
+ */
+bool dp_find_peer_exist(struct cdp_soc_t *soc_hdl, uint8_t pdev_id,
+			uint8_t *peer_addr);
+
+/*
+ * dp_find_peer_exist_on_vdev - find if peer exists on the given vdev
+ * @soc: datapath soc handle
+ * @vdev_id: vdev instance id
+ * @peer_mac_addr: peer mac address
+ *
+ * Return: true or false
+ */
+bool dp_find_peer_exist_on_vdev(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
+				uint8_t *peer_addr);
+
+/*
+ * dp_find_peer_exist_on_other_vdev - find if peer exists
+ * on other than the given vdev
+ * @soc: datapath soc handle
+ * @vdev_id: vdev instance id
+ * @peer_mac_addr: peer mac address
+ * @max_bssid: max number of bssids
+ *
+ * Return: true or false
+ */
+bool dp_find_peer_exist_on_other_vdev(struct cdp_soc_t *soc_hdl,
+				      uint8_t vdev_id, uint8_t *peer_addr,
+				      uint16_t max_bssid);
+
 void *dp_find_peer_by_addr_and_vdev(struct cdp_pdev *pdev_handle,
 		struct cdp_vdev *vdev,
 		uint8_t *peer_addr);
-QDF_STATUS dp_peer_state_update(struct cdp_pdev *pdev_handle, uint8_t *peer_mac,
-		enum ol_txrx_peer_state state);
-QDF_STATUS dp_get_vdevid(void *peer_handle, uint8_t *vdev_id);
+
+/**
+ * dp_peer_state_update() - update peer local state
+ * @pdev - data path device instance
+ * @peer_addr - peer mac address
+ * @state - new peer local state
+ *
+ * update peer local state
+ *
+ * Return: QDF_STATUS_SUCCESS registration success
+ */
+QDF_STATUS dp_peer_state_update(struct cdp_soc_t *soc, uint8_t *peer_mac,
+				enum ol_txrx_peer_state state);
+
+/**
+ * dp_get_vdevid() - Get virtual interface id which peer registered
+ * @soc - datapath soc handle
+ * @peer_mac - peer mac address
+ * @vdev_id - virtual interface id which peer registered
+ *
+ * Get virtual interface id which peer registered
+ *
+ * Return: QDF_STATUS_SUCCESS registration success
+ */
+QDF_STATUS dp_get_vdevid(struct cdp_soc_t *soc_hdl, uint8_t *peer_mac,
+			 uint8_t *vdev_id);
 struct cdp_vdev *dp_get_vdev_by_peer_addr(struct cdp_pdev *pdev_handle,
 		struct qdf_mac_addr peer_addr);
 struct cdp_vdev *dp_get_vdev_for_peer(void *peer);
 uint8_t *dp_peer_get_peer_mac_addr(void *peer);
-int dp_get_peer_state(void *peer_handle);
+
+/**
+ * dp_get_peer_state() - Get local peer state
+ * @soc - datapath soc handle
+ * @vdev_id - vdev id
+ * @peer_mac - peer mac addr
+ *
+ * Get local peer state
+ *
+ * Return: peer status
+ */
+int dp_get_peer_state(struct cdp_soc_t *soc, uint8_t vdev_id,
+		      uint8_t *peer_mac);
 void dp_local_peer_id_pool_init(struct dp_pdev *pdev);
 void dp_local_peer_id_alloc(struct dp_pdev *pdev, struct dp_peer *peer);
 void dp_local_peer_id_free(struct dp_pdev *pdev, struct dp_peer *peer);
 #else
+/**
+ * dp_get_vdevid() - Get virtual interface id which peer registered
+ * @soc - datapath soc handle
+ * @peer_mac - peer mac address
+ * @vdev_id - virtual interface id which peer registered
+ *
+ * Get virtual interface id which peer registered
+ *
+ * Return: QDF_STATUS_SUCCESS registration success
+ */
 static inline
-QDF_STATUS dp_get_vdevid(void *peer_handle, uint8_t *vdev_id)
+QDF_STATUS dp_get_vdevid(struct cdp_soc_t *soc_hdl, uint8_t *peer_mac,
+			 uint8_t *vdev_id)
 {
 	return QDF_STATUS_E_NOSUPPORT;
 }