qcacmn: Add support for radio-based packet steering

packets received on a particular radio are queued to
a user configured reo destination ring.

Change-Id: I080090f22b80fd8d8868df4145b82888e1111cea
CRs-Fixed: 2017081

dp/inc/cdp_txrx_cmn_struct.h

@@ -151,6 +151,15 @@ enum htt_cmn_pkt_type {
     htt_cmn_pkt_num_types
 };
 
+
+enum cdp_host_reo_dest_ring {
+    cdp_host_reo_dest_ring_unknown = 0,
+    cdp_host_reo_dest_ring_1 = 1,
+    cdp_host_reo_dest_ring_2 = 2,
+    cdp_host_reo_dest_ring_3 = 3,
+    cdp_host_reo_dest_ring_4 = 4,
+};
+
 enum htt_cmn_t2h_en_stats_type {
     /* keep this alwyas first */
     HTT_CMN_T2H_EN_STATS_TYPE_START     = 0,

dp/inc/cdp_txrx_ctrl.h

@@ -154,6 +154,41 @@ cdp_get_vdev_rx_decap_type(ol_txrx_soc_handle soc, struct cdp_vdev *vdev)
 	return 0;
 }
 
+/**
+ * @brief set the Reo Destination ring for the pdev
+ * @details
+ *  This will be used to configure the Reo Destination ring for this pdev.
+ *
+ * @param soc - pointer to the soc
+ * @param pdev - the data physical device object
+ * @param val - the Reo destination ring index (1 to 4)
+ * @return - void
+ */
+static inline void
+cdp_set_pdev_reo_dest(ol_txrx_soc_handle soc,
+	struct cdp_pdev *pdev, enum cdp_host_reo_dest_ring val)
+{
+	if (soc->ops->ctrl_ops->txrx_set_pdev_reo_dest)
+		return soc->ops->ctrl_ops->txrx_set_pdev_reo_dest
+			(pdev, val);
+	return;
+}
+
+/**
+ * @brief get the Reo Destination ring for the pdev
+ *
+ * @param soc - pointer to the soc
+ * @param pdev - the data physical device object
+ * @return - the Reo destination ring index (1 to 4), 0 if not supported.
+ */
+static inline enum cdp_host_reo_dest_ring
+cdp_get_pdev_reo_dest(ol_txrx_soc_handle soc, struct cdp_pdev *pdev)
+{
+	if (soc->ops->ctrl_ops->txrx_get_pdev_reo_dest)
+		return soc->ops->ctrl_ops->txrx_get_pdev_reo_dest(pdev);
+	return cdp_host_reo_dest_ring_unknown;
+}
+
 /* Is this similar to ol_txrx_peer_state_update() in MCL */
 /**
  * @brief Update the authorize peer object at association time

dp/inc/cdp_txrx_ops.h

@@ -365,6 +365,30 @@ struct cdp_ctrl_ops {
 			enum cdp_vdev_param_type param, uint32_t val);
 
 	void (*txrx_peer_set_nawds)(void *peer, uint8_t value);
+	/**
+	 * @brief Set the reo dest ring num of the radio
+	 * @details
+	 *  Set the reo destination ring no on which we will receive
+	 *  pkts for this radio.
+	 *
+	 * @param pdev - the data physical device object
+	 * @param reo_dest_ring_num - value ranges between 1 - 4
+	 */
+	void (*txrx_set_pdev_reo_dest)(
+			struct cdp_pdev *pdev,
+			enum cdp_host_reo_dest_ring reo_dest_ring_num);
+
+	/**
+	 * @brief Get the reo dest ring num of the radio
+	 * @details
+	 *  Get the reo destination ring no on which we will receive
+	 *  pkts for this radio.
+	 *
+	 * @param pdev - the data physical device object
+	 * @return the reo destination ring number
+	 */
+	enum cdp_host_reo_dest_ring (*txrx_get_pdev_reo_dest)(
+						struct cdp_pdev *pdev);
 };
 
 struct cdp_me_ops {

dp/inc/cdp_txrx_stats_struct.h

@@ -474,6 +474,7 @@ typedef enum _ol_ath_param_t {
 	OL_ATH_PARAM_PRECAC_TIMEOUT = 346,
 	OL_ATH_COEX_VER_CFG = 347,
 	OL_ATH_PARAM_DUMP_TARGET = 348,
+	OL_ATH_PARAM_PDEV_TO_REO_DEST = 349,
 } ol_ath_param_t;
 
 /*

dp/wifi3.0/dp_main.c

@@ -1245,6 +1245,8 @@ static struct cdp_pdev *dp_pdev_attach_wifi3(struct cdp_soc_t *txrx_soc,
 		goto fail0;
 	}
 
+	/* set the reo destination to 1 during initialization */
+	pdev->reo_dest = 1;
 	return (struct cdp_pdev *)pdev;
 
 fail1:
@@ -1815,6 +1817,7 @@ static void dp_peer_setup_wifi3(struct cdp_vdev *vdev_hdl, void *peer_hdl)
 	struct dp_pdev *pdev;
 	struct dp_soc *soc;
 	bool hash_based = 0;
+	enum cdp_host_reo_dest_ring reo_dest;
 
 	/* preconditions */
 	qdf_assert(vdev);
@@ -1833,11 +1836,16 @@ static void dp_peer_setup_wifi3(struct cdp_vdev *vdev_hdl, void *peer_hdl)
 	QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
 		FL("hash based steering %d\n"), hash_based);
 
+	if (!hash_based)
+		reo_dest = pdev->reo_dest;
+	else
+		reo_dest = 1;
+
 	if (soc->cdp_soc.ol_ops->peer_set_default_routing) {
 		/* TODO: Check the destination ring number to be passed to FW */
 		soc->cdp_soc.ol_ops->peer_set_default_routing(
 			pdev->osif_pdev, peer->mac_addr.raw,
-			 peer->vdev->vdev_id, hash_based, 1);
+			 peer->vdev->vdev_id, hash_based, reo_dest);
 	}
 	return;
 }
@@ -1870,6 +1878,39 @@ static void dp_set_vdev_rx_decap_type(struct cdp_vdev *vdev_handle,
 	vdev->rx_decap_type = val;
 }
 
+/*
+ * dp_set_pdev_reo_dest() - set the reo destination ring for this pdev
+ * @pdev_handle: physical device object
+ * @val: reo destination ring index (1 - 4)
+ *
+ * Return: void
+ */
+static void dp_set_pdev_reo_dest(struct cdp_pdev *pdev_handle,
+	 enum cdp_host_reo_dest_ring val)
+{
+	struct dp_pdev *pdev = (struct dp_pdev *)pdev_handle;
+
+	if (pdev)
+		pdev->reo_dest = val;
+}
+
+/*
+ * dp_get_pdev_reo_dest() - get the reo destination for this pdev
+ * @pdev_handle: physical device object
+ *
+ * Return: reo destination ring index
+ */
+static enum cdp_host_reo_dest_ring
+dp_get_pdev_reo_dest(struct cdp_pdev *pdev_handle)
+{
+	struct dp_pdev *pdev = (struct dp_pdev *)pdev_handle;
+
+	if (pdev)
+		return pdev->reo_dest;
+	else
+		return cdp_host_reo_dest_ring_unknown;
+}
+
 /*
  * dp_peer_authorize() - authorize txrx peer
  * @peer_handle:		Datapath peer handle
@@ -3308,6 +3349,8 @@ static struct cdp_ctrl_ops dp_ops_ctrl = {
 #endif
 	.txrx_set_vdev_param = dp_set_vdev_param,
 	.txrx_peer_set_nawds = dp_peer_set_nawds,
+	.txrx_set_pdev_reo_dest = dp_set_pdev_reo_dest,
+	.txrx_get_pdev_reo_dest = dp_get_pdev_reo_dest,
 	/* TODO: Add other functions */
 };
 

dp/wifi3.0/dp_types.h

@@ -783,6 +783,9 @@ struct dp_pdev {
 	struct cdp_mon_status rx_mon_recv_status;
 
 	/* TBD */
+
+	/* map this pdev to a particular Reo Destination ring */
+	enum cdp_host_reo_dest_ring reo_dest;
 };
 
 struct dp_peer;