Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1110 insertions, 0 deletions

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpni.h b/drivers/net/ethernet/freescale/dpaa2/dpni.h
new file mode 100644
index 000000000..6fffd519a
--- /dev/null
+++ b/drivers/net/ethernet/freescale/dpaa2/dpni.h
@@ -0,0 +1,1110 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
+/* Copyright 2013-2016 Freescale Semiconductor Inc.
+ * Copyright 2016 NXP
+ * Copyright 2020 NXP
+ */
+#ifndef __FSL_DPNI_H
+#define __FSL_DPNI_H
+
+#include "dpkg.h"
+
+struct fsl_mc_io;
+
+/* Data Path Network Interface API
+ * Contains initialization APIs and runtime control APIs for DPNI
+ */
+
+/** General DPNI macros */
+
+/**
+ * DPNI_MAX_TC - Maximum number of traffic classes
+ */
+#define DPNI_MAX_TC				8
+/**
+ * DPNI_MAX_DPBP - Maximum number of buffer pools per DPNI
+ */
+#define DPNI_MAX_DPBP				8
+
+/**
+ * DPNI_ALL_TCS - All traffic classes considered; see dpni_set_queue()
+ */
+#define DPNI_ALL_TCS				(u8)(-1)
+/**
+ * DPNI_ALL_TC_FLOWS - All flows within traffic class considered; see
+ * dpni_set_queue()
+ */
+#define DPNI_ALL_TC_FLOWS			(u16)(-1)
+/**
+ * DPNI_NEW_FLOW_ID - Generate new flow ID; see dpni_set_queue()
+ */
+#define DPNI_NEW_FLOW_ID			(u16)(-1)
+
+/**
+ * DPNI_OPT_TX_FRM_RELEASE - Tx traffic is always released to a buffer pool on
+ * transmit, there are no resources allocated to have the frames confirmed back
+ * to the source after transmission.
+ */
+#define DPNI_OPT_TX_FRM_RELEASE			0x000001
+/**
+ * DPNI_OPT_NO_MAC_FILTER - Disables support for MAC address filtering for
+ * addresses other than primary MAC address. This affects both unicast and
+ * multicast. Promiscuous mode can still be enabled/disabled for both unicast
+ * and multicast. If promiscuous mode is disabled, only traffic matching the
+ * primary MAC address will be accepted.
+ */
+#define DPNI_OPT_NO_MAC_FILTER			0x000002
+/**
+ * DPNI_OPT_HAS_POLICING - Allocate policers for this DPNI. They can be used to
+ * rate-limit traffic per traffic class (TC) basis.
+ */
+#define DPNI_OPT_HAS_POLICING			0x000004
+/**
+ * DPNI_OPT_SHARED_CONGESTION - Congestion can be managed in several ways,
+ * allowing the buffer pool to deplete on ingress, taildrop on each queue or
+ * use congestion groups for sets of queues. If set, it configures a single
+ * congestion groups across all TCs.  If reset, a congestion group is allocated
+ * for each TC. Only relevant if the DPNI has multiple traffic classes.
+ */
+#define DPNI_OPT_SHARED_CONGESTION		0x000008
+/**
+ * DPNI_OPT_HAS_KEY_MASKING - Enables TCAM for Flow Steering and QoS look-ups.
+ * If not specified, all look-ups are exact match. Note that TCAM is not
+ * available on LS1088 and its variants. Setting this bit on these SoCs will
+ * trigger an error.
+ */
+#define DPNI_OPT_HAS_KEY_MASKING		0x000010
+/**
+ * DPNI_OPT_NO_FS - Disables the flow steering table.
+ */
+#define DPNI_OPT_NO_FS				0x000020
+/**
+ * DPNI_OPT_SHARED_FS - Flow steering table is shared between all traffic
+ * classes
+ */
+#define DPNI_OPT_SHARED_FS			0x001000
+
+int dpni_open(struct fsl_mc_io	*mc_io,
+	      u32		cmd_flags,
+	      int		dpni_id,
+	      u16		*token);
+
+int dpni_close(struct fsl_mc_io	*mc_io,
+	       u32		cmd_flags,
+	       u16		token);
+
+/**
+ * struct dpni_pools_cfg - Structure representing buffer pools configuration
+ * @num_dpbp: Number of DPBPs
+ * @pools: Array of buffer pools parameters; The number of valid entries
+ *	must match 'num_dpbp' value
+ * @pools.dpbp_id: DPBP object ID
+ * @pools.buffer_size: Buffer size
+ * @pools.backup_pool: Backup pool
+ */
+struct dpni_pools_cfg {
+	u8		num_dpbp;
+	struct {
+		int	dpbp_id;
+		u16	buffer_size;
+		int	backup_pool;
+	} pools[DPNI_MAX_DPBP];
+};
+
+int dpni_set_pools(struct fsl_mc_io		*mc_io,
+		   u32				cmd_flags,
+		   u16				token,
+		   const struct dpni_pools_cfg	*cfg);
+
+int dpni_enable(struct fsl_mc_io	*mc_io,
+		u32			cmd_flags,
+		u16			token);
+
+int dpni_disable(struct fsl_mc_io	*mc_io,
+		 u32			cmd_flags,
+		 u16			token);
+
+int dpni_is_enabled(struct fsl_mc_io	*mc_io,
+		    u32			cmd_flags,
+		    u16			token,
+		    int			*en);
+
+int dpni_reset(struct fsl_mc_io	*mc_io,
+	       u32		cmd_flags,
+	       u16		token);
+
+/* DPNI IRQ Index and Events */
+
+#define DPNI_IRQ_INDEX				0
+
+/* DPNI_IRQ_EVENT_LINK_CHANGED - indicates a change in link state */
+#define DPNI_IRQ_EVENT_LINK_CHANGED		0x00000001
+
+/* DPNI_IRQ_EVENT_ENDPOINT_CHANGED - indicates a change in endpoint */
+#define DPNI_IRQ_EVENT_ENDPOINT_CHANGED		0x00000002
+
+int dpni_set_irq_enable(struct fsl_mc_io	*mc_io,
+			u32			cmd_flags,
+			u16			token,
+			u8			irq_index,
+			u8			en);
+
+int dpni_get_irq_enable(struct fsl_mc_io	*mc_io,
+			u32			cmd_flags,
+			u16			token,
+			u8			irq_index,
+			u8			*en);
+
+int dpni_set_irq_mask(struct fsl_mc_io	*mc_io,
+		      u32		cmd_flags,
+		      u16		token,
+		      u8		irq_index,
+		      u32		mask);
+
+int dpni_get_irq_mask(struct fsl_mc_io	*mc_io,
+		      u32		cmd_flags,
+		      u16		token,
+		      u8		irq_index,
+		      u32		*mask);
+
+int dpni_get_irq_status(struct fsl_mc_io	*mc_io,
+			u32			cmd_flags,
+			u16			token,
+			u8			irq_index,
+			u32			*status);
+
+int dpni_clear_irq_status(struct fsl_mc_io	*mc_io,
+			  u32			cmd_flags,
+			  u16			token,
+			  u8			irq_index,
+			  u32			status);
+
+/**
+ * struct dpni_attr - Structure representing DPNI attributes
+ * @options: Any combination of the following options:
+ *		DPNI_OPT_TX_FRM_RELEASE
+ *		DPNI_OPT_NO_MAC_FILTER
+ *		DPNI_OPT_HAS_POLICING
+ *		DPNI_OPT_SHARED_CONGESTION
+ *		DPNI_OPT_HAS_KEY_MASKING
+ *		DPNI_OPT_NO_FS
+ * @num_queues: Number of Tx and Rx queues used for traffic distribution.
+ * @num_tcs: Number of traffic classes (TCs), reserved for the DPNI.
+ * @mac_filter_entries: Number of entries in the MAC address filtering table.
+ * @vlan_filter_entries: Number of entries in the VLAN address filtering table.
+ * @qos_entries: Number of entries in the QoS classification table.
+ * @fs_entries: Number of entries in the flow steering table.
+ * @qos_key_size: Size, in bytes, of the QoS look-up key. Defining a key larger
+ *		than this when adding QoS entries will result in an error.
+ * @fs_key_size: Size, in bytes, of the flow steering look-up key. Defining a
+ *		key larger than this when composing the hash + FS key will
+ *		result in an error.
+ * @wriop_version: Version of WRIOP HW block. The 3 version values are stored
+ *		on 6, 5, 5 bits respectively.
+ */
+struct dpni_attr {
+	u32 options;
+	u8 num_queues;
+	u8 num_tcs;
+	u8 mac_filter_entries;
+	u8 vlan_filter_entries;
+	u8 qos_entries;
+	u16 fs_entries;
+	u8 qos_key_size;
+	u8 fs_key_size;
+	u16 wriop_version;
+};
+
+int dpni_get_attributes(struct fsl_mc_io	*mc_io,
+			u32			cmd_flags,
+			u16			token,
+			struct dpni_attr	*attr);
+
+/* DPNI errors */
+
+/**
+ * DPNI_ERROR_EOFHE - Extract out of frame header error
+ */
+#define DPNI_ERROR_EOFHE	0x00020000
+/**
+ * DPNI_ERROR_FLE - Frame length error
+ */
+#define DPNI_ERROR_FLE		0x00002000
+/**
+ * DPNI_ERROR_FPE - Frame physical error
+ */
+#define DPNI_ERROR_FPE		0x00001000
+/**
+ * DPNI_ERROR_PHE - Parsing header error
+ */
+#define DPNI_ERROR_PHE		0x00000020
+/**
+ * DPNI_ERROR_L3CE - Parser L3 checksum error
+ */
+#define DPNI_ERROR_L3CE		0x00000004
+/**
+ * DPNI_ERROR_L4CE - Parser L3 checksum error
+ */
+#define DPNI_ERROR_L4CE		0x00000001
+
+/**
+ * enum dpni_error_action - Defines DPNI behavior for errors
+ * @DPNI_ERROR_ACTION_DISCARD: Discard the frame
+ * @DPNI_ERROR_ACTION_CONTINUE: Continue with the normal flow
+ * @DPNI_ERROR_ACTION_SEND_TO_ERROR_QUEUE: Send the frame to the error queue
+ */
+enum dpni_error_action {
+	DPNI_ERROR_ACTION_DISCARD = 0,
+	DPNI_ERROR_ACTION_CONTINUE = 1,
+	DPNI_ERROR_ACTION_SEND_TO_ERROR_QUEUE = 2
+};
+
+/**
+ * struct dpni_error_cfg - Structure representing DPNI errors treatment
+ * @errors: Errors mask; use 'DPNI_ERROR__<X>
+ * @error_action: The desired action for the errors mask
+ * @set_frame_annotation: Set to '1' to mark the errors in frame annotation
+ *		status (FAS); relevant only for the non-discard action
+ */
+struct dpni_error_cfg {
+	u32			errors;
+	enum dpni_error_action	error_action;
+	int			set_frame_annotation;
+};
+
+int dpni_set_errors_behavior(struct fsl_mc_io		*mc_io,
+			     u32			cmd_flags,
+			     u16			token,
+			     struct dpni_error_cfg	*cfg);
+
+/* DPNI buffer layout modification options */
+
+/**
+ * DPNI_BUF_LAYOUT_OPT_TIMESTAMP - Select to modify the time-stamp setting
+ */
+#define DPNI_BUF_LAYOUT_OPT_TIMESTAMP		0x00000001
+/**
+ * DPNI_BUF_LAYOUT_OPT_PARSER_RESULT - Select to modify the parser-result
+ * setting; not applicable for Tx
+ */
+#define DPNI_BUF_LAYOUT_OPT_PARSER_RESULT	0x00000002
+/**
+ * DPNI_BUF_LAYOUT_OPT_FRAME_STATUS - Select to modify the frame-status setting
+ */
+#define DPNI_BUF_LAYOUT_OPT_FRAME_STATUS	0x00000004
+/**
+ * DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE - Select to modify the private-data-size setting
+ */
+#define DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE	0x00000008
+/**
+ * DPNI_BUF_LAYOUT_OPT_DATA_ALIGN - Select to modify the data-alignment setting
+ */
+#define DPNI_BUF_LAYOUT_OPT_DATA_ALIGN		0x00000010
+/**
+ * DPNI_BUF_LAYOUT_OPT_DATA_HEAD_ROOM - Select to modify the data-head-room setting
+ */
+#define DPNI_BUF_LAYOUT_OPT_DATA_HEAD_ROOM	0x00000020
+/**
+ * DPNI_BUF_LAYOUT_OPT_DATA_TAIL_ROOM - Select to modify the data-tail-room setting
+ */
+#define DPNI_BUF_LAYOUT_OPT_DATA_TAIL_ROOM	0x00000040
+
+/**
+ * struct dpni_buffer_layout - Structure representing DPNI buffer layout
+ * @options: Flags representing the suggested modifications to the buffer
+ *		layout; Use any combination of 'DPNI_BUF_LAYOUT_OPT_<X>' flags
+ * @pass_timestamp: Pass timestamp value
+ * @pass_parser_result: Pass parser results
+ * @pass_frame_status: Pass frame status
+ * @private_data_size: Size kept for private data (in bytes)
+ * @data_align: Data alignment
+ * @data_head_room: Data head room
+ * @data_tail_room: Data tail room
+ */
+struct dpni_buffer_layout {
+	u32	options;
+	int	pass_timestamp;
+	int	pass_parser_result;
+	int	pass_frame_status;
+	u16	private_data_size;
+	u16	data_align;
+	u16	data_head_room;
+	u16	data_tail_room;
+};
+
+/**
+ * enum dpni_queue_type - Identifies a type of queue targeted by the command
+ * @DPNI_QUEUE_RX: Rx queue
+ * @DPNI_QUEUE_TX: Tx queue
+ * @DPNI_QUEUE_TX_CONFIRM: Tx confirmation queue
+ * @DPNI_QUEUE_RX_ERR: Rx error queue
+ */
+enum dpni_queue_type {
+	DPNI_QUEUE_RX,
+	DPNI_QUEUE_TX,
+	DPNI_QUEUE_TX_CONFIRM,
+	DPNI_QUEUE_RX_ERR,
+};
+
+int dpni_get_buffer_layout(struct fsl_mc_io		*mc_io,
+			   u32				cmd_flags,
+			   u16				token,
+			   enum dpni_queue_type		qtype,
+			   struct dpni_buffer_layout	*layout);
+
+int dpni_set_buffer_layout(struct fsl_mc_io		   *mc_io,
+			   u32				   cmd_flags,
+			   u16				   token,
+			   enum dpni_queue_type		   qtype,
+			   const struct dpni_buffer_layout *layout);
+
+/**
+ * enum dpni_offload - Identifies a type of offload targeted by the command
+ * @DPNI_OFF_RX_L3_CSUM: Rx L3 checksum validation
+ * @DPNI_OFF_RX_L4_CSUM: Rx L4 checksum validation
+ * @DPNI_OFF_TX_L3_CSUM: Tx L3 checksum generation
+ * @DPNI_OFF_TX_L4_CSUM: Tx L4 checksum generation
+ */
+enum dpni_offload {
+	DPNI_OFF_RX_L3_CSUM,
+	DPNI_OFF_RX_L4_CSUM,
+	DPNI_OFF_TX_L3_CSUM,
+	DPNI_OFF_TX_L4_CSUM,
+};
+
+int dpni_set_offload(struct fsl_mc_io	*mc_io,
+		     u32		cmd_flags,
+		     u16		token,
+		     enum dpni_offload	type,
+		     u32		config);
+
+int dpni_get_offload(struct fsl_mc_io	*mc_io,
+		     u32		cmd_flags,
+		     u16		token,
+		     enum dpni_offload	type,
+		     u32		*config);
+
+int dpni_get_qdid(struct fsl_mc_io	*mc_io,
+		  u32			cmd_flags,
+		  u16			token,
+		  enum dpni_queue_type	qtype,
+		  u16			*qdid);
+
+int dpni_get_tx_data_offset(struct fsl_mc_io	*mc_io,
+			    u32			cmd_flags,
+			    u16			token,
+			    u16			*data_offset);
+
+#define DPNI_STATISTICS_CNT		7
+
+/**
+ * union dpni_statistics - Union describing the DPNI statistics
+ * @page_0: Page_0 statistics structure
+ * @page_0.ingress_all_frames: Ingress frame count
+ * @page_0.ingress_all_bytes: Ingress byte count
+ * @page_0.ingress_multicast_frames: Ingress multicast frame count
+ * @page_0.ingress_multicast_bytes: Ingress multicast byte count
+ * @page_0.ingress_broadcast_frames: Ingress broadcast frame count
+ * @page_0.ingress_broadcast_bytes: Ingress broadcast byte count
+ * @page_1: Page_1 statistics structure
+ * @page_1.egress_all_frames: Egress frame count
+ * @page_1.egress_all_bytes: Egress byte count
+ * @page_1.egress_multicast_frames: Egress multicast frame count
+ * @page_1.egress_multicast_bytes: Egress multicast byte count
+ * @page_1.egress_broadcast_frames: Egress broadcast frame count
+ * @page_1.egress_broadcast_bytes: Egress broadcast byte count
+ * @page_2: Page_2 statistics structure
+ * @page_2.ingress_filtered_frames: Ingress filtered frame count
+ * @page_2.ingress_discarded_frames: Ingress discarded frame count
+ * @page_2.ingress_nobuffer_discards: Ingress discarded frame count due to
+ *	lack of buffers
+ * @page_2.egress_discarded_frames: Egress discarded frame count
+ * @page_2.egress_confirmed_frames: Egress confirmed frame count
+ * @page_3: Page_3 statistics structure
+ * @page_3.egress_dequeue_bytes: Cumulative count of the number of bytes
+ *	dequeued from egress FQs
+ * @page_3.egress_dequeue_frames: Cumulative count of the number of frames
+ *	dequeued from egress FQs
+ * @page_3.egress_reject_bytes: Cumulative count of the number of bytes in
+ *	egress frames whose enqueue was rejected
+ * @page_3.egress_reject_frames: Cumulative count of the number of egress
+ *	frames whose enqueue was rejected
+ * @page_4: Page_4 statistics structure: congestion points
+ * @page_4.cgr_reject_frames: number of rejected frames due to congestion point
+ * @page_4.cgr_reject_bytes: number of rejected bytes due to congestion point
+ * @page_5: Page_5 statistics structure: policer
+ * @page_5.policer_cnt_red: NUmber of red colored frames
+ * @page_5.policer_cnt_yellow: number of yellow colored frames
+ * @page_5.policer_cnt_green: number of green colored frames
+ * @page_5.policer_cnt_re_red: number of recolored red frames
+ * @page_5.policer_cnt_re_yellow: number of recolored yellow frames
+ * @page_6: Page_6 statistics structure
+ * @page_6.tx_pending_frames: total number of frames pending in egress FQs
+ * @raw: raw statistics structure, used to index counters
+ */
+union dpni_statistics {
+	struct {
+		u64 ingress_all_frames;
+		u64 ingress_all_bytes;
+		u64 ingress_multicast_frames;
+		u64 ingress_multicast_bytes;
+		u64 ingress_broadcast_frames;
+		u64 ingress_broadcast_bytes;
+	} page_0;
+	struct {
+		u64 egress_all_frames;
+		u64 egress_all_bytes;
+		u64 egress_multicast_frames;
+		u64 egress_multicast_bytes;
+		u64 egress_broadcast_frames;
+		u64 egress_broadcast_bytes;
+	} page_1;
+	struct {
+		u64 ingress_filtered_frames;
+		u64 ingress_discarded_frames;
+		u64 ingress_nobuffer_discards;
+		u64 egress_discarded_frames;
+		u64 egress_confirmed_frames;
+	} page_2;
+	struct {
+		u64 egress_dequeue_bytes;
+		u64 egress_dequeue_frames;
+		u64 egress_reject_bytes;
+		u64 egress_reject_frames;
+	} page_3;
+	struct {
+		u64 cgr_reject_frames;
+		u64 cgr_reject_bytes;
+	} page_4;
+	struct {
+		u64 policer_cnt_red;
+		u64 policer_cnt_yellow;
+		u64 policer_cnt_green;
+		u64 policer_cnt_re_red;
+		u64 policer_cnt_re_yellow;
+	} page_5;
+	struct {
+		u64 tx_pending_frames;
+	} page_6;
+	struct {
+		u64 counter[DPNI_STATISTICS_CNT];
+	} raw;
+};
+
+int dpni_get_statistics(struct fsl_mc_io	*mc_io,
+			u32			cmd_flags,
+			u16			token,
+			u8			page,
+			union dpni_statistics	*stat);
+
+#define DPNI_LINK_OPT_AUTONEG		0x0000000000000001ULL
+#define DPNI_LINK_OPT_HALF_DUPLEX	0x0000000000000002ULL
+#define DPNI_LINK_OPT_PAUSE		0x0000000000000004ULL
+#define DPNI_LINK_OPT_ASYM_PAUSE	0x0000000000000008ULL
+#define DPNI_LINK_OPT_PFC_PAUSE		0x0000000000000010ULL
+
+/**
+ * struct dpni_link_cfg - Structure representing DPNI link configuration
+ * @rate: Rate
+ * @options: Mask of available options; use 'DPNI_LINK_OPT_<X>' values
+ */
+struct dpni_link_cfg {
+	u32 rate;
+	u64 options;
+};
+
+int dpni_set_link_cfg(struct fsl_mc_io			*mc_io,
+		      u32				cmd_flags,
+		      u16				token,
+		      const struct dpni_link_cfg	*cfg);
+
+int dpni_get_link_cfg(struct fsl_mc_io			*mc_io,
+		      u32				cmd_flags,
+		      u16				token,
+		      struct dpni_link_cfg		*cfg);
+
+/**
+ * struct dpni_link_state - Structure representing DPNI link state
+ * @rate: Rate
+ * @options: Mask of available options; use 'DPNI_LINK_OPT_<X>' values
+ * @up: Link state; '0' for down, '1' for up
+ */
+struct dpni_link_state {
+	u32	rate;
+	u64	options;
+	int	up;
+};
+
+int dpni_get_link_state(struct fsl_mc_io	*mc_io,
+			u32			cmd_flags,
+			u16			token,
+			struct dpni_link_state	*state);
+
+int dpni_set_max_frame_length(struct fsl_mc_io	*mc_io,
+			      u32		cmd_flags,
+			      u16		token,
+			      u16		max_frame_length);
+
+int dpni_get_max_frame_length(struct fsl_mc_io	*mc_io,
+			      u32		cmd_flags,
+			      u16		token,
+			      u16		*max_frame_length);
+
+int dpni_set_multicast_promisc(struct fsl_mc_io *mc_io,
+			       u32		cmd_flags,
+			       u16		token,
+			       int		en);
+
+int dpni_get_multicast_promisc(struct fsl_mc_io *mc_io,
+			       u32		cmd_flags,
+			       u16		token,
+			       int		*en);
+
+int dpni_set_unicast_promisc(struct fsl_mc_io	*mc_io,
+			     u32		cmd_flags,
+			     u16		token,
+			     int		en);
+
+int dpni_get_unicast_promisc(struct fsl_mc_io	*mc_io,
+			     u32		cmd_flags,
+			     u16		token,
+			     int		*en);
+
+int dpni_set_primary_mac_addr(struct fsl_mc_io *mc_io,
+			      u32		cmd_flags,
+			      u16		token,
+			      const u8		mac_addr[6]);
+
+int dpni_get_primary_mac_addr(struct fsl_mc_io	*mc_io,
+			      u32		cmd_flags,
+			      u16		token,
+			      u8		mac_addr[6]);
+
+int dpni_get_port_mac_addr(struct fsl_mc_io	*mc_io,
+			   u32			cm_flags,
+			   u16			token,
+			   u8			mac_addr[6]);
+
+int dpni_add_mac_addr(struct fsl_mc_io	*mc_io,
+		      u32		cmd_flags,
+		      u16		token,
+		      const u8		mac_addr[6]);
+
+int dpni_remove_mac_addr(struct fsl_mc_io	*mc_io,
+			 u32			cmd_flags,
+			 u16			token,
+			 const u8		mac_addr[6]);
+
+int dpni_clear_mac_filters(struct fsl_mc_io	*mc_io,
+			   u32			cmd_flags,
+			   u16			token,
+			   int			unicast,
+			   int			multicast);
+
+/**
+ * enum dpni_dist_mode - DPNI distribution mode
+ * @DPNI_DIST_MODE_NONE: No distribution
+ * @DPNI_DIST_MODE_HASH: Use hash distribution; only relevant if
+ *		the 'DPNI_OPT_DIST_HASH' option was set at DPNI creation
+ * @DPNI_DIST_MODE_FS:  Use explicit flow steering; only relevant if
+ *	 the 'DPNI_OPT_DIST_FS' option was set at DPNI creation
+ */
+enum dpni_dist_mode {
+	DPNI_DIST_MODE_NONE = 0,
+	DPNI_DIST_MODE_HASH = 1,
+	DPNI_DIST_MODE_FS = 2
+};
+
+/**
+ * enum dpni_fs_miss_action -   DPNI Flow Steering miss action
+ * @DPNI_FS_MISS_DROP: In case of no-match, drop the frame
+ * @DPNI_FS_MISS_EXPLICIT_FLOWID: In case of no-match, use explicit flow-id
+ * @DPNI_FS_MISS_HASH: In case of no-match, distribute using hash
+ */
+enum dpni_fs_miss_action {
+	DPNI_FS_MISS_DROP = 0,
+	DPNI_FS_MISS_EXPLICIT_FLOWID = 1,
+	DPNI_FS_MISS_HASH = 2
+};
+
+/**
+ * struct dpni_fs_tbl_cfg - Flow Steering table configuration
+ * @miss_action: Miss action selection
+ * @default_flow_id: Used when 'miss_action = DPNI_FS_MISS_EXPLICIT_FLOWID'
+ */
+struct dpni_fs_tbl_cfg {
+	enum dpni_fs_miss_action	miss_action;
+	u16				default_flow_id;
+};
+
+int dpni_prepare_key_cfg(const struct dpkg_profile_cfg *cfg,
+			 u8 *key_cfg_buf);
+
+/**
+ * struct dpni_rx_tc_dist_cfg - Rx traffic class distribution configuration
+ * @dist_size: Set the distribution size;
+ *	supported values: 1,2,3,4,6,7,8,12,14,16,24,28,32,48,56,64,96,
+ *	112,128,192,224,256,384,448,512,768,896,1024
+ * @dist_mode: Distribution mode
+ * @key_cfg_iova: I/O virtual address of 256 bytes DMA-able memory filled with
+ *		the extractions to be used for the distribution key by calling
+ *		dpni_prepare_key_cfg() relevant only when
+ *		'dist_mode != DPNI_DIST_MODE_NONE', otherwise it can be '0'
+ * @fs_cfg: Flow Steering table configuration; only relevant if
+ *		'dist_mode = DPNI_DIST_MODE_FS'
+ */
+struct dpni_rx_tc_dist_cfg {
+	u16			dist_size;
+	enum dpni_dist_mode	dist_mode;
+	u64			key_cfg_iova;
+	struct dpni_fs_tbl_cfg	fs_cfg;
+};
+
+int dpni_set_rx_tc_dist(struct fsl_mc_io			*mc_io,
+			u32					cmd_flags,
+			u16					token,
+			u8					tc_id,
+			const struct dpni_rx_tc_dist_cfg	*cfg);
+
+/**
+ * DPNI_FS_MISS_DROP - When used for fs_miss_flow_id in function
+ * dpni_set_rx_dist, will signal to dpni to drop all unclassified frames
+ */
+#define DPNI_FS_MISS_DROP		((uint16_t)-1)
+
+/**
+ * struct dpni_rx_dist_cfg - Rx distribution configuration
+ * @dist_size:	distribution size
+ * @key_cfg_iova: I/O virtual address of 256 bytes DMA-able memory filled with
+ *		the extractions to be used for the distribution key by calling
+ *		dpni_prepare_key_cfg(); relevant only when enable!=0 otherwise
+ *		it can be '0'
+ * @enable: enable/disable the distribution.
+ * @tc: TC id for which distribution is set
+ * @fs_miss_flow_id: when packet misses all rules from flow steering table and
+ *		hash is disabled it will be put into this queue id; use
+ *		DPNI_FS_MISS_DROP to drop frames. The value of this field is
+ *		used only when flow steering distribution is enabled and hash
+ *		distribution is disabled
+ */
+struct dpni_rx_dist_cfg {
+	u16 dist_size;
+	u64 key_cfg_iova;
+	u8 enable;
+	u8 tc;
+	u16 fs_miss_flow_id;
+};
+
+int dpni_set_rx_fs_dist(struct fsl_mc_io *mc_io,
+			u32 cmd_flags,
+			u16 token,
+			const struct dpni_rx_dist_cfg *cfg);
+
+int dpni_set_rx_hash_dist(struct fsl_mc_io *mc_io,
+			  u32 cmd_flags,
+			  u16 token,
+			  const struct dpni_rx_dist_cfg *cfg);
+
+/**
+ * struct dpni_qos_tbl_cfg - Structure representing QOS table configuration
+ * @key_cfg_iova: I/O virtual address of 256 bytes DMA-able memory filled with
+ *		key extractions to be used as the QoS criteria by calling
+ *		dpkg_prepare_key_cfg()
+ * @discard_on_miss: Set to '1' to discard frames in case of no match (miss);
+ *		'0' to use the 'default_tc' in such cases
+ * @default_tc: Used in case of no-match and 'discard_on_miss'= 0
+ */
+struct dpni_qos_tbl_cfg {
+	u64 key_cfg_iova;
+	int discard_on_miss;
+	u8 default_tc;
+};
+
+int dpni_set_qos_table(struct fsl_mc_io *mc_io,
+		       u32 cmd_flags,
+		       u16 token,
+		       const struct dpni_qos_tbl_cfg *cfg);
+
+/**
+ * enum dpni_dest - DPNI destination types
+ * @DPNI_DEST_NONE: Unassigned destination; The queue is set in parked mode and
+ *		does not generate FQDAN notifications; user is expected to
+ *		dequeue from the queue based on polling or other user-defined
+ *		method
+ * @DPNI_DEST_DPIO: The queue is set in schedule mode and generates FQDAN
+ *		notifications to the specified DPIO; user is expected to dequeue
+ *		from the queue only after notification is received
+ * @DPNI_DEST_DPCON: The queue is set in schedule mode and does not generate
+ *		FQDAN notifications, but is connected to the specified DPCON
+ *		object; user is expected to dequeue from the DPCON channel
+ */
+enum dpni_dest {
+	DPNI_DEST_NONE = 0,
+	DPNI_DEST_DPIO = 1,
+	DPNI_DEST_DPCON = 2
+};
+
+/**
+ * struct dpni_queue - Queue structure
+ * @destination: - Destination structure
+ * @destination.id: ID of the destination, only relevant if DEST_TYPE is > 0.
+ *	Identifies either a DPIO or a DPCON object.
+ *	Not relevant for Tx queues.
+ * @destination.type:	May be one of the following:
+ *	0 - No destination, queue can be manually
+ *		queried, but will not push traffic or
+ *		notifications to a DPIO;
+ *	1 - The destination is a DPIO. When traffic
+ *		becomes available in the queue a FQDAN
+ *		(FQ data available notification) will be
+ *		generated to selected DPIO;
+ *	2 - The destination is a DPCON. The queue is
+ *		associated with a DPCON object for the
+ *		purpose of scheduling between multiple
+ *		queues. The DPCON may be independently
+ *		configured to generate notifications.
+ *		Not relevant for Tx queues.
+ * @destination.hold_active: Hold active, maintains a queue scheduled for longer
+ *	in a DPIO during dequeue to reduce spread of traffic.
+ *	Only relevant if queues are
+ *	not affined to a single DPIO.
+ * @user_context: User data, presented to the user along with any frames
+ *	from this queue. Not relevant for Tx queues.
+ * @flc: FD FLow Context structure
+ * @flc.value: Default FLC value for traffic dequeued from
+ *      this queue.  Please check description of FD
+ *      structure for more information.
+ *      Note that FLC values set using dpni_add_fs_entry,
+ *      if any, take precedence over values per queue.
+ * @flc.stash_control: Boolean, indicates whether the 6 lowest
+ *      - significant bits are used for stash control.
+ *      significant bits are used for stash control.  If set, the 6
+ *      least significant bits in value are interpreted as follows:
+ *      - bits 0-1: indicates the number of 64 byte units of context
+ *      that are stashed.  FLC value is interpreted as a memory address
+ *      in this case, excluding the 6 LS bits.
+ *      - bits 2-3: indicates the number of 64 byte units of frame
+ *      annotation to be stashed.  Annotation is placed at FD[ADDR].
+ *      - bits 4-5: indicates the number of 64 byte units of frame
+ *      data to be stashed.  Frame data is placed at FD[ADDR] +
+ *      FD[OFFSET].
+ *      For more details check the Frame Descriptor section in the
+ *      hardware documentation.
+ */
+struct dpni_queue {
+	struct {
+		u16 id;
+		enum dpni_dest type;
+		char hold_active;
+		u8 priority;
+	} destination;
+	u64 user_context;
+	struct {
+		u64 value;
+		char stash_control;
+	} flc;
+};
+
+/**
+ * struct dpni_queue_id - Queue identification, used for enqueue commands
+ *			or queue control
+ * @fqid: FQID used for enqueueing to and/or configuration of this specific FQ
+ * @qdbin: Queueing bin, used to enqueue using QDID, DQBIN, QPRI. Only relevant
+ *		for Tx queues.
+ */
+struct dpni_queue_id {
+	u32 fqid;
+	u16 qdbin;
+};
+
+/* Set User Context */
+#define DPNI_QUEUE_OPT_USER_CTX		0x00000001
+#define DPNI_QUEUE_OPT_DEST		0x00000002
+#define DPNI_QUEUE_OPT_FLC		0x00000004
+#define DPNI_QUEUE_OPT_HOLD_ACTIVE	0x00000008
+
+int dpni_set_queue(struct fsl_mc_io	*mc_io,
+		   u32			cmd_flags,
+		   u16			token,
+		   enum dpni_queue_type	qtype,
+		   u8			tc,
+		   u8			index,
+		   u8			options,
+		   const struct dpni_queue *queue);
+
+int dpni_get_queue(struct fsl_mc_io	*mc_io,
+		   u32			cmd_flags,
+		   u16			token,
+		   enum dpni_queue_type	qtype,
+		   u8			tc,
+		   u8			index,
+		   struct dpni_queue	*queue,
+		   struct dpni_queue_id	*qid);
+
+/**
+ * enum dpni_congestion_unit - DPNI congestion units
+ * @DPNI_CONGESTION_UNIT_BYTES: bytes units
+ * @DPNI_CONGESTION_UNIT_FRAMES: frames units
+ */
+enum dpni_congestion_unit {
+	DPNI_CONGESTION_UNIT_BYTES = 0,
+	DPNI_CONGESTION_UNIT_FRAMES
+};
+
+/**
+ * enum dpni_congestion_point - Structure representing congestion point
+ * @DPNI_CP_QUEUE: Set taildrop per queue, identified by QUEUE_TYPE, TC and
+ *		QUEUE_INDEX
+ * @DPNI_CP_GROUP: Set taildrop per queue group. Depending on options used to
+ *		define the DPNI this can be either per TC (default) or per
+ *		interface (DPNI_OPT_SHARED_CONGESTION set at DPNI create).
+ *		QUEUE_INDEX is ignored if this type is used.
+ */
+enum dpni_congestion_point {
+	DPNI_CP_QUEUE,
+	DPNI_CP_GROUP,
+};
+
+/**
+ * struct dpni_dest_cfg - Structure representing DPNI destination parameters
+ * @dest_type:	Destination type
+ * @dest_id:	Either DPIO ID or DPCON ID, depending on the destination type
+ * @priority:	Priority selection within the DPIO or DPCON channel; valid
+ *		values are 0-1 or 0-7, depending on the number of priorities
+ *		in that channel; not relevant for 'DPNI_DEST_NONE' option
+ */
+struct dpni_dest_cfg {
+	enum dpni_dest dest_type;
+	int dest_id;
+	u8 priority;
+};
+
+/* DPNI congestion options */
+
+/**
+ * DPNI_CONG_OPT_FLOW_CONTROL - This congestion will trigger flow control or
+ * priority flow control.  This will have effect only if flow control is
+ * enabled with dpni_set_link_cfg().
+ */
+#define DPNI_CONG_OPT_FLOW_CONTROL		0x00000040
+
+/**
+ * struct dpni_congestion_notification_cfg - congestion notification
+ *					configuration
+ * @units: Units type
+ * @threshold_entry: Above this threshold we enter a congestion state.
+ *		set it to '0' to disable it
+ * @threshold_exit: Below this threshold we exit the congestion state.
+ * @message_ctx: The context that will be part of the CSCN message
+ * @message_iova: I/O virtual address (must be in DMA-able memory),
+ *		must be 16B aligned; valid only if 'DPNI_CONG_OPT_WRITE_MEM_<X>'
+ *		is contained in 'options'
+ * @dest_cfg: CSCN can be send to either DPIO or DPCON WQ channel
+ * @notification_mode: Mask of available options; use 'DPNI_CONG_OPT_<X>' values
+ */
+
+struct dpni_congestion_notification_cfg {
+	enum dpni_congestion_unit units;
+	u32 threshold_entry;
+	u32 threshold_exit;
+	u64 message_ctx;
+	u64 message_iova;
+	struct dpni_dest_cfg dest_cfg;
+	u16 notification_mode;
+};
+
+int dpni_set_congestion_notification(
+			struct fsl_mc_io *mc_io,
+			u32 cmd_flags,
+			u16 token,
+			enum dpni_queue_type qtype,
+			u8 tc_id,
+			const struct dpni_congestion_notification_cfg *cfg);
+
+/**
+ * struct dpni_taildrop - Structure representing the taildrop
+ * @enable:	Indicates whether the taildrop is active or not.
+ * @units:	Indicates the unit of THRESHOLD. Queue taildrop only supports
+ *		byte units, this field is ignored and assumed = 0 if
+ *		CONGESTION_POINT is 0.
+ * @threshold:	Threshold value, in units identified by UNITS field. Value 0
+ *		cannot be used as a valid taildrop threshold, THRESHOLD must
+ *		be > 0 if the taildrop is enabled.
+ */
+struct dpni_taildrop {
+	char enable;
+	enum dpni_congestion_unit units;
+	u32 threshold;
+};
+
+int dpni_set_taildrop(struct fsl_mc_io *mc_io,
+		      u32 cmd_flags,
+		      u16 token,
+		      enum dpni_congestion_point cg_point,
+		      enum dpni_queue_type q_type,
+		      u8 tc,
+		      u8 q_index,
+		      struct dpni_taildrop *taildrop);
+
+int dpni_get_taildrop(struct fsl_mc_io *mc_io,
+		      u32 cmd_flags,
+		      u16 token,
+		      enum dpni_congestion_point cg_point,
+		      enum dpni_queue_type q_type,
+		      u8 tc,
+		      u8 q_index,
+		      struct dpni_taildrop *taildrop);
+
+/**
+ * struct dpni_rule_cfg - Rule configuration for table lookup
+ * @key_iova: I/O virtual address of the key (must be in DMA-able memory)
+ * @mask_iova: I/O virtual address of the mask (must be in DMA-able memory)
+ * @key_size: key and mask size (in bytes)
+ */
+struct dpni_rule_cfg {
+	u64	key_iova;
+	u64	mask_iova;
+	u8	key_size;
+};
+
+/**
+ * DPNI_FS_OPT_DISCARD - Discard matching traffic. If set, this takes
+ * precedence over any other configuration and matching traffic is always
+ * discarded.
+ */
+ #define DPNI_FS_OPT_DISCARD            0x1
+
+/**
+ * DPNI_FS_OPT_SET_FLC - Set FLC value. If set, flc member of struct
+ * dpni_fs_action_cfg is used to override the FLC value set per queue.
+ * For more details check the Frame Descriptor section in the hardware
+ * documentation.
+ */
+#define DPNI_FS_OPT_SET_FLC            0x2
+
+/**
+ * DPNI_FS_OPT_SET_STASH_CONTROL - Indicates whether the 6 lowest significant
+ * bits of FLC are used for stash control. If set, the 6 least significant bits
+ * in value are interpreted as follows:
+ *     - bits 0-1: indicates the number of 64 byte units of context that are
+ *     stashed. FLC value is interpreted as a memory address in this case,
+ *     excluding the 6 LS bits.
+ *     - bits 2-3: indicates the number of 64 byte units of frame annotation
+ *     to be stashed. Annotation is placed at FD[ADDR].
+ *     - bits 4-5: indicates the number of 64 byte units of frame data to be
+ *     stashed. Frame data is placed at FD[ADDR] + FD[OFFSET].
+ * This flag is ignored if DPNI_FS_OPT_SET_FLC is not specified.
+ */
+#define DPNI_FS_OPT_SET_STASH_CONTROL  0x4
+
+/**
+ * struct dpni_fs_action_cfg - Action configuration for table look-up
+ * @flc:	FLC value for traffic matching this rule. Please check the
+ *		Frame Descriptor section in the hardware documentation for
+ *		more information.
+ * @flow_id:	Identifies the Rx queue used for matching traffic. Supported
+ *		values are in range 0 to num_queue-1.
+ * @options:	Any combination of DPNI_FS_OPT_ values.
+ */
+struct dpni_fs_action_cfg {
+	u64 flc;
+	u16 flow_id;
+	u16 options;
+};
+
+int dpni_add_fs_entry(struct fsl_mc_io *mc_io,
+		      u32 cmd_flags,
+		      u16 token,
+		      u8 tc_id,
+		      u16 index,
+		      const struct dpni_rule_cfg *cfg,
+		      const struct dpni_fs_action_cfg *action);
+
+int dpni_remove_fs_entry(struct fsl_mc_io *mc_io,
+			 u32 cmd_flags,
+			 u16 token,
+			 u8 tc_id,
+			 const struct dpni_rule_cfg *cfg);
+
+int dpni_add_qos_entry(struct fsl_mc_io *mc_io,
+		       u32 cmd_flags,
+		       u16 token,
+		       const struct dpni_rule_cfg *cfg,
+		       u8 tc_id,
+		       u16 index);
+
+int dpni_remove_qos_entry(struct fsl_mc_io *mc_io,
+			  u32 cmd_flags,
+			  u16 token,
+			  const struct dpni_rule_cfg *cfg);
+
+int dpni_clear_qos_table(struct fsl_mc_io *mc_io,
+			 u32 cmd_flags,
+			 u16 token);
+
+int dpni_get_api_version(struct fsl_mc_io *mc_io,
+			 u32 cmd_flags,
+			 u16 *major_ver,
+			 u16 *minor_ver);
+/**
+ * struct dpni_tx_shaping_cfg - Structure representing DPNI tx shaping configuration
+ * @rate_limit:		Rate in Mbps
+ * @max_burst_size:	Burst size in bytes (up to 64KB)
+ */
+struct dpni_tx_shaping_cfg {
+	u32 rate_limit;
+	u16 max_burst_size;
+};
+
+int dpni_set_tx_shaping(struct fsl_mc_io *mc_io,
+			u32 cmd_flags,
+			u16 token,
+			const struct dpni_tx_shaping_cfg *tx_cr_shaper,
+			const struct dpni_tx_shaping_cfg *tx_er_shaper,
+			int coupled);
+
+/**
+ * struct dpni_single_step_cfg - configure single step PTP (IEEE 1588)
+ * @en:		enable single step PTP. When enabled the PTPv1 functionality
+ *		will not work. If the field is zero, offset and ch_update
+ *		parameters will be ignored
+ * @offset:	start offset from the beginning of the frame where
+ *		timestamp field is found. The offset must respect all MAC
+ *		headers, VLAN tags and other protocol headers
+ * @ch_update:	when set UDP checksum will be updated inside packet
+ * @peer_delay:	For peer-to-peer transparent clocks add this value to the
+ *		correction field in addition to the transient time update.
+ *		The value expresses nanoseconds.
+ * @ptp_onestep_reg_base: 1588 SINGLE_STEP register base address. This address
+ *			  is used to update directly the register contents.
+ *			  User has to create an address mapping for it.
+ *
+ *
+ */
+struct dpni_single_step_cfg {
+	u8	en;
+	u8	ch_update;
+	u16	offset;
+	u32	peer_delay;
+	u32	ptp_onestep_reg_base;
+};
+
+int dpni_set_single_step_cfg(struct fsl_mc_io *mc_io,
+			     u32 cmd_flags,
+			     u16 token,
+			     struct dpni_single_step_cfg *ptp_cfg);
+
+int dpni_get_single_step_cfg(struct fsl_mc_io *mc_io,
+			     u32 cmd_flags,
+			     u16 token,
+			     struct dpni_single_step_cfg *ptp_cfg);
+
+int dpni_enable_vlan_filter(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+			    u32 en);
+
+int dpni_add_vlan_id(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+		     u16 vlan_id, u8 flags, u8 tc_id, u8 flow_id);
+
+int dpni_remove_vlan_id(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+			u16 vlan_id);
+
+#endif /* __FSL_DPNI_H */