qcacmn: FR-64492 WDS Extended support

- Added data structure for wds ext peer
- Enhanced DP peer structure to maintain
  wds ext peer data structure, which inturn
  maintain pointer to osif device.
- Enhanced DP vdev structure to maintain feature
  configuration, which will be updated during vdev
  creation when feature is flag is set at control
  psoc.
- Enhanced cdp_vdev_param_type and cdp_config_param_t
  to set wds ext configuration into DP vdev
- Enhanced cdp_cmn_ops structure and corresponding
  call back definitons to get peer id, which will
  be saved in osif private structure and to set
  wds ext peer rx.
- Enhanced cdp_ctrl_ops to send event to control
  path when 1st 4 address frame is received from
  backhaul.

Change-Id: Ide0ea54e7b2d480ad646fb84b6e4e3108930f986
CRs-Fixed: 2773492

dp/inc/cdp_txrx_cmn.h

@@ -2666,4 +2666,43 @@ cdp_rx_get_pending(ol_txrx_soc_handle soc)
 
 	return soc->ol_ops->dp_rx_get_pending(soc);
 }
+
+#ifdef QCA_SUPPORT_WDS_EXTENDED
+static inline uint16_t
+cdp_wds_ext_get_peer_id(ol_txrx_soc_handle soc, uint8_t vdev_id, uint8_t *mac)
+{
+	if (!soc || !soc->ops) {
+		QDF_TRACE(QDF_MODULE_ID_CDP, QDF_TRACE_LEVEL_DEBUG,
+			  "%s: Invalid Instance", __func__);
+		QDF_BUG(0);
+		return 0;
+	}
+
+	if (!soc->ops->cmn_drv_ops ||
+	    !soc->ops->cmn_drv_ops->get_wds_ext_peer_id)
+		return 0;
+
+	return soc->ops->cmn_drv_ops->get_wds_ext_peer_id
+			(soc, vdev_id, mac);
+}
+
+static inline QDF_STATUS
+cdp_wds_ext_set_peer_rx(ol_txrx_soc_handle soc, uint8_t vdev_id,
+			uint8_t *mac, ol_txrx_rx_fp rx)
+{
+	if (!soc || !soc->ops) {
+		QDF_TRACE(QDF_MODULE_ID_CDP, QDF_TRACE_LEVEL_DEBUG,
+			  "%s: Invalid Instance", __func__);
+		QDF_BUG(0);
+		return QDF_STATUS_E_FAULT;
+	}
+
+	if (!soc->ops->cmn_drv_ops ||
+	    !soc->ops->cmn_drv_ops->set_wds_ext_peer_rx)
+		return QDF_STATUS_E_FAULT;
+
+	return soc->ops->cmn_drv_ops->set_wds_ext_peer_rx
+			(soc, vdev_id, mac, rx);
+}
+#endif /* QCA_SUPPORT_WDS_EXTENDED */
 #endif /* _CDP_TXRX_CMN_H_ */

dp/inc/cdp_txrx_cmn_struct.h

@@ -625,6 +625,11 @@ struct ol_txrx_nbuf_classify {
 struct ol_osif_vdev_t;
 typedef struct ol_osif_vdev_t *ol_osif_vdev_handle;
 
+#ifdef QCA_SUPPORT_WDS_EXTENDED
+struct ol_osif_peer_t;
+typedef struct ol_osif_peer_t *ol_osif_peer_handle;
+#endif
+
 /**
  * wlan_op_mode - Virtual device operation mode
  * @wlan_op_mode_unknown: Unknown mode
@@ -1162,6 +1167,7 @@ typedef union cdp_config_param_t {
 	uint32_t cdp_vdev_param_safe_mode;
 	uint32_t cdp_vdev_param_drop_unenc;
 	uint8_t cdp_vdev_param_hlos_tid_override;
+	bool cdp_vdev_param_wds_ext;
 
 	/* pdev params */
 	bool cdp_pdev_param_cptr_latcy;
@@ -1272,6 +1278,7 @@ enum cdp_pdev_bpr_param {
  * @CDP_DROP_UNENC: set drop unencrypted flag
  * @CDP_ENABLE_IGMP_MCAST_EN: enable/disable igmp multicast enhancement
  * @CDP_ENABLE_HLOS_TID_OVERRIDE: set hlos tid override flag
+ * @CDP_CFG_WDS_EXT: enable/disable wds ext feature
  */
 enum cdp_vdev_param_type {
 	CDP_ENABLE_NAWDS,
@@ -1299,6 +1306,9 @@ enum cdp_vdev_param_type {
 	CDP_ENABLE_CSUM,
 	CDP_ENABLE_IGMP_MCAST_EN,
 	CDP_ENABLE_HLOS_TID_OVERRIDE,
+#ifdef QCA_SUPPORT_WDS_EXTENDED
+	CDP_CFG_WDS_EXT,
+#endif /* QCA_SUPPORT_WDS_EXTENDED */
 };
 
 /*

dp/inc/cdp_txrx_ops.h

@@ -556,6 +556,15 @@ struct cdp_cmn_ops {
 		 (ol_txrx_soc_handle soc, uint8_t vdev_id,
 		  u_int8_t newmac[][QDF_MAC_ADDR_SIZE], uint16_t mac_cnt,
 		  bool limit);
+#ifdef QCA_SUPPORT_WDS_EXTENDED
+	uint16_t (*get_wds_ext_peer_id)(ol_txrx_soc_handle soc,
+					uint8_t vdev_id,
+					uint8_t *mac);
+	QDF_STATUS (*set_wds_ext_peer_rx)(ol_txrx_soc_handle soc,
+					  uint8_t vdev_id,
+					  uint8_t *mac,
+					  ol_txrx_rx_fp rx);
+#endif /* QCA_SUPPORT_WDS_EXTENDED */
 };
 
 struct cdp_ctrl_ops {
@@ -1130,6 +1139,11 @@ struct ol_if_ops {
 				   uint8_t vdev_id);
 	int (*dp_rx_get_pending)(ol_txrx_soc_handle soc);
 	/* TODO: Add any other control path calls required to OL_IF/WMA layer */
+#ifdef QCA_SUPPORT_WDS_EXTENDED
+	void (*rx_wds_ext_peer_learn)(struct cdp_ctrl_objmgr_psoc *ctrl_psoc,
+				      uint16_t peer_id, uint8_t vdev_id,
+				      uint8_t *peer_macaddr);
+#endif /* QCA_SUPPORT_WDS_EXTENDED */
 };
 
 #ifdef DP_PEER_EXTENDED_API

dp/wifi3.0/dp_internal.h

@@ -410,6 +410,17 @@ static inline void dp_set_peer_isolation(struct dp_peer *peer, bool val)
 }
 #endif /* QCA_SUPPORT_PEER_ISOLATION */
 
+#ifdef QCA_SUPPORT_WDS_EXTENDED
+static inline void dp_wds_ext_peer_init(struct dp_peer *peer)
+{
+	peer->wds_ext.init = 0;
+}
+#else
+static inline void dp_wds_ext_peer_init(struct dp_peer *peer)
+{
+}
+#endif /* QCA_SUPPORT_WDS_EXTENDED */
+
 /**
  * The lmac ID for a particular channel band is fixed.
  * 2.4GHz band uses lmac_id = 1
@@ -2424,4 +2435,38 @@ static inline QDF_STATUS dp_soc_swlm_detach(struct dp_soc *soc)
 }
 #endif /* !WLAN_DP_FEATURE_SW_LATENCY_MGR */
 
+#ifdef QCA_SUPPORT_WDS_EXTENDED
+/**
+ * dp_wds_ext_get_peer_id(): function to get peer id by mac
+ * This API is called from control path when wds extended
+ * device is created, hence it also updates wds extended
+ * peer state to up, which will be referred in rx processing.
+ * @soc: Datapath soc handle
+ * @vdev_id: vdev id
+ * @mac: Peer mac address
+ *
+ * return: valid peer id on success
+ *         HTT_INVALID_PEER on failure
+ */
+uint16_t dp_wds_ext_get_peer_id(ol_txrx_soc_handle soc,
+				uint8_t vdev_id,
+				uint8_t *mac);
+
+/**
+ * dp_wds_ext_set_peer_state(): function to set peer state
+ * @soc: Datapath soc handle
+ * @vdev_id: vdev id
+ * @mac: Peer mac address
+ * @rx: rx function pointer
+ *
+ * return: QDF_STATUS_SUCCESS on success
+ *         QDF_STATUS_E_INVAL if peer is not found
+ *         QDF_STATUS_E_ALREADY if rx is already set/unset
+ */
+QDF_STATUS dp_wds_ext_set_peer_rx(ol_txrx_soc_handle soc,
+				  uint8_t vdev_id,
+				  uint8_t *mac,
+				  ol_txrx_rx_fp rx);
+#endif /* QCA_SUPPORT_WDS_EXTENDED */
+
 #endif /* #ifndef _DP_INTERNAL_H_ */

dp/wifi3.0/dp_main.c

@@ -5729,6 +5729,8 @@ dp_peer_create_wifi3(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
 
 		dp_set_peer_isolation(peer, false);
 
+		dp_wds_ext_peer_init(peer);
+
 		dp_peer_update_state(soc, peer, DP_PEER_STATE_INIT);
 
 		dp_vdev_unref_delete(soc, vdev, DP_MOD_ID_CDP);
@@ -5775,6 +5777,7 @@ dp_peer_create_wifi3(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
 	}
 	dp_peer_add_ast(soc, peer, peer_mac_addr, ast_type, 0);
 	qdf_spinlock_create(&peer->peer_info_lock);
+	dp_wds_ext_peer_init(peer);
 
 	dp_peer_rx_bufq_resources_init(peer);
 
@@ -8773,6 +8776,11 @@ dp_set_vdev_param(struct cdp_soc_t *cdp_soc, uint8_t vdev_id,
 		dp_vdev_set_hlos_tid_override(vdev,
 				val.cdp_vdev_param_hlos_tid_override);
 		break;
+#ifdef QCA_SUPPORT_WDS_EXTENDED
+	case CDP_CFG_WDS_EXT:
+		vdev->wds_ext_enabled = val.cdp_vdev_param_wds_ext;
+		break;
+#endif
 	default:
 		break;
 	}
@@ -10721,6 +10729,10 @@ static struct cdp_cmn_ops dp_ops_cmn = {
 #endif
 	.get_peer_mac_list = dp_get_peer_mac_list,
 	.tx_send_exc = dp_tx_send_exception,
+#ifdef QCA_SUPPORT_WDS_EXTENDED
+	.get_wds_ext_peer_id = dp_wds_ext_get_peer_id,
+	.set_wds_ext_peer_rx = dp_wds_ext_set_peer_rx,
+#endif /* QCA_SUPPORT_WDS_EXTENDED */
 };
 
 static struct cdp_ctrl_ops dp_ops_ctrl = {
@@ -12506,6 +12518,65 @@ uint16_t dp_get_peer_mac_list(ol_txrx_soc_handle soc, uint8_t vdev_id,
 	return new_mac_cnt;
 }
 
+#ifdef QCA_SUPPORT_WDS_EXTENDED
+uint16_t dp_wds_ext_get_peer_id(ol_txrx_soc_handle soc,
+				uint8_t vdev_id,
+				uint8_t *mac)
+{
+	struct dp_peer *peer = dp_peer_find_hash_find((struct dp_soc *)soc,
+						       mac, 0, vdev_id,
+						       DP_MOD_ID_CDP);
+	uint16_t peer_id = HTT_INVALID_PEER;
+
+	if (!peer) {
+		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG,
+			  "%s: Peer is NULL!\n", __func__);
+		return peer_id;
+	}
+
+	peer_id = peer->peer_id;
+	dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
+	return peer_id;
+}
+
+QDF_STATUS dp_wds_ext_set_peer_rx(ol_txrx_soc_handle soc,
+				  uint8_t vdev_id,
+				  uint8_t *mac,
+				  ol_txrx_rx_fp rx)
+{
+	struct dp_peer *peer = dp_peer_find_hash_find((struct dp_soc *)soc,
+						       mac, 0, vdev_id,
+						       DP_MOD_ID_CDP);
+	QDF_STATUS status = QDF_STATUS_E_INVAL;
+
+	if (!peer) {
+		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG,
+			  "%s: Peer is NULL!\n", __func__);
+		return status;
+	}
+
+	if (rx) {
+		if (peer->osif_rx) {
+		    status = QDF_STATUS_E_ALREADY;
+		} else {
+		    peer->osif_rx = rx;
+		    status = QDF_STATUS_SUCCESS;
+		}
+	} else {
+		if (peer->osif_rx) {
+		    peer->osif_rx = NULL;
+		    status = QDF_STATUS_SUCCESS;
+		} else {
+		    status = QDF_STATUS_E_ALREADY;
+		}
+	}
+
+	dp_peer_unref_delete(peer, DP_MOD_ID_CDP);
+
+	return status;
+}
+#endif /* QCA_SUPPORT_WDS_EXTENDED */
+
 /**
  * dp_pdev_srng_deinit() - de-initialize all pdev srng ring including
  *			   monitor rings
@@ -13279,7 +13350,6 @@ static inline QDF_STATUS dp_pdev_init(struct cdp_soc_t *txrx_soc,
 	nss_cfg = wlan_cfg_get_dp_soc_nss_cfg(soc_cfg_ctx);
 	wlan_cfg_set_dp_pdev_nss_enabled(pdev->wlan_cfg_ctx,
 					 (nss_cfg & (1 << pdev_id)));
-
 	pdev->target_pdev_id =
 		dp_calculate_target_pdev_id_from_host_pdev_id(soc, pdev_id);
 

dp/wifi3.0/dp_types.h

@@ -2515,6 +2515,9 @@ struct dp_vdev {
 	qdf_atomic_t ref_cnt;
 	qdf_atomic_t mod_refs[DP_MOD_ID_MAX];
 	uint8_t num_latency_critical_conn;
+#ifdef QCA_SUPPORT_WDS_EXTENDED
+	bool wds_ext_enabled;
+#endif /* QCA_SUPPORT_WDS_EXTENDED */
 };
 
 
@@ -2617,6 +2620,24 @@ struct dp_peer_mscs_parameter {
 };
 #endif
 
+#ifdef QCA_SUPPORT_WDS_EXTENDED
+#define WDS_EXT_PEER_INIT_BIT 0
+
+/**
+ * struct dp_wds_ext_peer - wds ext peer structure
+ * This is used when wds extended feature is enabled
+ * both compile time and run time. It is created
+ * when 1st 4 address frame is received from
+ * wds backhaul.
+ * @osif_vdev: Handle to the OS shim SW's virtual device
+ * @init: wds ext netdev state
+ */
+struct dp_wds_ext_peer {
+	ol_osif_vdev_handle osif_vdev;
+	unsigned long init;
+};
+#endif /* QCA_SUPPORT_WDS_EXTENDED */
+
 /* Peer structure for data path state */
 struct dp_peer {
 	/* VDEV to which this peer is associated */
@@ -2738,6 +2759,10 @@ struct dp_peer {
 	struct dp_peer_mscs_parameter mscs_ipv4_parameter, mscs_ipv6_parameter;
 	bool mscs_active;
 #endif
+#ifdef QCA_SUPPORT_WDS_EXTENDED
+	struct dp_wds_ext_peer wds_ext;
+	ol_txrx_rx_fp osif_rx;
+#endif
 };
 
 /*