dpaa2-eth: Move DPAA2 Ethernet driver from staging to drivers/net

The DPAA2 Ethernet driver supports Freescale/NXP SoCs with DPAA2
(DataPath Acceleration Architecture v2). The driver manages
network objects discovered on the fsl-mc bus.

Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1600 insertions, 0 deletions

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpni.c b/drivers/net/ethernet/freescale/dpaa2/dpni.c
new file mode 100644
index 000000000000..d6ac26797cec
--- /dev/null
+++ b/drivers/net/ethernet/freescale/dpaa2/dpni.c
@@ -0,0 +1,1600 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/* Copyright 2013-2016 Freescale Semiconductor Inc.
+ * Copyright 2016 NXP
+ */
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/fsl/mc.h>
+#include "dpni.h"
+#include "dpni-cmd.h"
+
+/**
+ * dpni_prepare_key_cfg() - function prepare extract parameters
+ * @cfg: defining a full Key Generation profile (rule)
+ * @key_cfg_buf: Zeroed 256 bytes of memory before mapping it to DMA
+ *
+ * This function has to be called before the following functions:
+ *	- dpni_set_rx_tc_dist()
+ *	- dpni_set_qos_table()
+ */
+int dpni_prepare_key_cfg(const struct dpkg_profile_cfg *cfg, u8 *key_cfg_buf)
+{
+	int i, j;
+	struct dpni_ext_set_rx_tc_dist *dpni_ext;
+	struct dpni_dist_extract *extr;
+
+	if (cfg->num_extracts > DPKG_MAX_NUM_OF_EXTRACTS)
+		return -EINVAL;
+
+	dpni_ext = (struct dpni_ext_set_rx_tc_dist *)key_cfg_buf;
+	dpni_ext->num_extracts = cfg->num_extracts;
+
+	for (i = 0; i < cfg->num_extracts; i++) {
+		extr = &dpni_ext->extracts[i];
+
+		switch (cfg->extracts[i].type) {
+		case DPKG_EXTRACT_FROM_HDR:
+			extr->prot = cfg->extracts[i].extract.from_hdr.prot;
+			dpni_set_field(extr->efh_type, EFH_TYPE,
+				       cfg->extracts[i].extract.from_hdr.type);
+			extr->size = cfg->extracts[i].extract.from_hdr.size;
+			extr->offset = cfg->extracts[i].extract.from_hdr.offset;
+			extr->field = cpu_to_le32(
+				cfg->extracts[i].extract.from_hdr.field);
+			extr->hdr_index =
+				cfg->extracts[i].extract.from_hdr.hdr_index;
+			break;
+		case DPKG_EXTRACT_FROM_DATA:
+			extr->size = cfg->extracts[i].extract.from_data.size;
+			extr->offset =
+				cfg->extracts[i].extract.from_data.offset;
+			break;
+		case DPKG_EXTRACT_FROM_PARSE:
+			extr->size = cfg->extracts[i].extract.from_parse.size;
+			extr->offset =
+				cfg->extracts[i].extract.from_parse.offset;
+			break;
+		default:
+			return -EINVAL;
+		}
+
+		extr->num_of_byte_masks = cfg->extracts[i].num_of_byte_masks;
+		dpni_set_field(extr->extract_type, EXTRACT_TYPE,
+			       cfg->extracts[i].type);
+
+		for (j = 0; j < DPKG_NUM_OF_MASKS; j++) {
+			extr->masks[j].mask = cfg->extracts[i].masks[j].mask;
+			extr->masks[j].offset =
+				cfg->extracts[i].masks[j].offset;
+		}
+	}
+
+	return 0;
+}
+
+/**
+ * dpni_open() - Open a control session for the specified object
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @dpni_id:	DPNI unique ID
+ * @token:	Returned token; use in subsequent API calls
+ *
+ * This function can be used to open a control session for an
+ * already created object; an object may have been declared in
+ * the DPL or by calling the dpni_create() function.
+ * This function returns a unique authentication token,
+ * associated with the specific object ID and the specific MC
+ * portal; this token must be used in all subsequent commands for
+ * this specific object.
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_open(struct fsl_mc_io *mc_io,
+	      u32 cmd_flags,
+	      int dpni_id,
+	      u16 *token)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_open *cmd_params;
+
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_OPEN,
+					  cmd_flags,
+					  0);
+	cmd_params = (struct dpni_cmd_open *)cmd.params;
+	cmd_params->dpni_id = cpu_to_le32(dpni_id);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	*token = mc_cmd_hdr_read_token(&cmd);
+
+	return 0;
+}
+
+/**
+ * dpni_close() - Close the control session of the object
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ *
+ * After this function is called, no further operations are
+ * allowed on the object without opening a new control session.
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_close(struct fsl_mc_io *mc_io,
+	       u32 cmd_flags,
+	       u16 token)
+{
+	struct fsl_mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_CLOSE,
+					  cmd_flags,
+					  token);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_set_pools() - Set buffer pools configuration
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @cfg:	Buffer pools configuration
+ *
+ * mandatory for DPNI operation
+ * warning:Allowed only when DPNI is disabled
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_set_pools(struct fsl_mc_io *mc_io,
+		   u32 cmd_flags,
+		   u16 token,
+		   const struct dpni_pools_cfg *cfg)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_set_pools *cmd_params;
+	int i;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_POOLS,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_set_pools *)cmd.params;
+	cmd_params->num_dpbp = cfg->num_dpbp;
+	for (i = 0; i < DPNI_MAX_DPBP; i++) {
+		cmd_params->dpbp_id[i] = cpu_to_le32(cfg->pools[i].dpbp_id);
+		cmd_params->buffer_size[i] =
+			cpu_to_le16(cfg->pools[i].buffer_size);
+		cmd_params->backup_pool_mask |=
+			DPNI_BACKUP_POOL(cfg->pools[i].backup_pool, i);
+	}
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_enable() - Enable the DPNI, allow sending and receiving frames.
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:		Token of DPNI object
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_enable(struct fsl_mc_io *mc_io,
+		u32 cmd_flags,
+		u16 token)
+{
+	struct fsl_mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_ENABLE,
+					  cmd_flags,
+					  token);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_disable() - Disable the DPNI, stop sending and receiving frames.
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_disable(struct fsl_mc_io *mc_io,
+		 u32 cmd_flags,
+		 u16 token)
+{
+	struct fsl_mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_DISABLE,
+					  cmd_flags,
+					  token);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_is_enabled() - Check if the DPNI is enabled.
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @en:		Returns '1' if object is enabled; '0' otherwise
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_is_enabled(struct fsl_mc_io *mc_io,
+		    u32 cmd_flags,
+		    u16 token,
+		    int *en)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_rsp_is_enabled *rsp_params;
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_IS_ENABLED,
+					  cmd_flags,
+					  token);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	rsp_params = (struct dpni_rsp_is_enabled *)cmd.params;
+	*en = dpni_get_field(rsp_params->enabled, ENABLE);
+
+	return 0;
+}
+
+/**
+ * dpni_reset() - Reset the DPNI, returns the object to initial state.
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_reset(struct fsl_mc_io *mc_io,
+	       u32 cmd_flags,
+	       u16 token)
+{
+	struct fsl_mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_RESET,
+					  cmd_flags,
+					  token);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_set_irq_enable() - Set overall interrupt state.
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @irq_index:	The interrupt index to configure
+ * @en:		Interrupt state: - enable = 1, disable = 0
+ *
+ * Allows GPP software to control when interrupts are generated.
+ * Each interrupt can have up to 32 causes.  The enable/disable control's the
+ * overall interrupt state. if the interrupt is disabled no causes will cause
+ * an interrupt.
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_set_irq_enable(struct fsl_mc_io *mc_io,
+			u32 cmd_flags,
+			u16 token,
+			u8 irq_index,
+			u8 en)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_set_irq_enable *cmd_params;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_IRQ_ENABLE,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_set_irq_enable *)cmd.params;
+	dpni_set_field(cmd_params->enable, ENABLE, en);
+	cmd_params->irq_index = irq_index;
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_get_irq_enable() - Get overall interrupt state
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @irq_index:	The interrupt index to configure
+ * @en:		Returned interrupt state - enable = 1, disable = 0
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_get_irq_enable(struct fsl_mc_io *mc_io,
+			u32 cmd_flags,
+			u16 token,
+			u8 irq_index,
+			u8 *en)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_get_irq_enable *cmd_params;
+	struct dpni_rsp_get_irq_enable *rsp_params;
+
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_IRQ_ENABLE,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_get_irq_enable *)cmd.params;
+	cmd_params->irq_index = irq_index;
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	rsp_params = (struct dpni_rsp_get_irq_enable *)cmd.params;
+	*en = dpni_get_field(rsp_params->enabled, ENABLE);
+
+	return 0;
+}
+
+/**
+ * dpni_set_irq_mask() - Set interrupt mask.
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @irq_index:	The interrupt index to configure
+ * @mask:	event mask to trigger interrupt;
+ *			each bit:
+ *				0 = ignore event
+ *				1 = consider event for asserting IRQ
+ *
+ * Every interrupt can have up to 32 causes and the interrupt model supports
+ * masking/unmasking each cause independently
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_set_irq_mask(struct fsl_mc_io *mc_io,
+		      u32 cmd_flags,
+		      u16 token,
+		      u8 irq_index,
+		      u32 mask)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_set_irq_mask *cmd_params;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_IRQ_MASK,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_set_irq_mask *)cmd.params;
+	cmd_params->mask = cpu_to_le32(mask);
+	cmd_params->irq_index = irq_index;
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_get_irq_mask() - Get interrupt mask.
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @irq_index:	The interrupt index to configure
+ * @mask:	Returned event mask to trigger interrupt
+ *
+ * Every interrupt can have up to 32 causes and the interrupt model supports
+ * masking/unmasking each cause independently
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_get_irq_mask(struct fsl_mc_io *mc_io,
+		      u32 cmd_flags,
+		      u16 token,
+		      u8 irq_index,
+		      u32 *mask)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_get_irq_mask *cmd_params;
+	struct dpni_rsp_get_irq_mask *rsp_params;
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_IRQ_MASK,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_get_irq_mask *)cmd.params;
+	cmd_params->irq_index = irq_index;
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	rsp_params = (struct dpni_rsp_get_irq_mask *)cmd.params;
+	*mask = le32_to_cpu(rsp_params->mask);
+
+	return 0;
+}
+
+/**
+ * dpni_get_irq_status() - Get the current status of any pending interrupts.
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @irq_index:	The interrupt index to configure
+ * @status:	Returned interrupts status - one bit per cause:
+ *			0 = no interrupt pending
+ *			1 = interrupt pending
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_get_irq_status(struct fsl_mc_io *mc_io,
+			u32 cmd_flags,
+			u16 token,
+			u8 irq_index,
+			u32 *status)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_get_irq_status *cmd_params;
+	struct dpni_rsp_get_irq_status *rsp_params;
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_IRQ_STATUS,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_get_irq_status *)cmd.params;
+	cmd_params->status = cpu_to_le32(*status);
+	cmd_params->irq_index = irq_index;
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	rsp_params = (struct dpni_rsp_get_irq_status *)cmd.params;
+	*status = le32_to_cpu(rsp_params->status);
+
+	return 0;
+}
+
+/**
+ * dpni_clear_irq_status() - Clear a pending interrupt's status
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @irq_index:	The interrupt index to configure
+ * @status:	bits to clear (W1C) - one bit per cause:
+ *			0 = don't change
+ *			1 = clear status bit
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_clear_irq_status(struct fsl_mc_io *mc_io,
+			  u32 cmd_flags,
+			  u16 token,
+			  u8 irq_index,
+			  u32 status)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_clear_irq_status *cmd_params;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_CLEAR_IRQ_STATUS,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_clear_irq_status *)cmd.params;
+	cmd_params->irq_index = irq_index;
+	cmd_params->status = cpu_to_le32(status);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_get_attributes() - Retrieve DPNI attributes.
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @attr:	Object's attributes
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_get_attributes(struct fsl_mc_io *mc_io,
+			u32 cmd_flags,
+			u16 token,
+			struct dpni_attr *attr)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_rsp_get_attr *rsp_params;
+
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_ATTR,
+					  cmd_flags,
+					  token);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	rsp_params = (struct dpni_rsp_get_attr *)cmd.params;
+	attr->options = le32_to_cpu(rsp_params->options);
+	attr->num_queues = rsp_params->num_queues;
+	attr->num_tcs = rsp_params->num_tcs;
+	attr->mac_filter_entries = rsp_params->mac_filter_entries;
+	attr->vlan_filter_entries = rsp_params->vlan_filter_entries;
+	attr->qos_entries = rsp_params->qos_entries;
+	attr->fs_entries = le16_to_cpu(rsp_params->fs_entries);
+	attr->qos_key_size = rsp_params->qos_key_size;
+	attr->fs_key_size = rsp_params->fs_key_size;
+	attr->wriop_version = le16_to_cpu(rsp_params->wriop_version);
+
+	return 0;
+}
+
+/**
+ * dpni_set_errors_behavior() - Set errors behavior
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @cfg:	Errors configuration
+ *
+ * this function may be called numerous times with different
+ * error masks
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_set_errors_behavior(struct fsl_mc_io *mc_io,
+			     u32 cmd_flags,
+			     u16 token,
+			     struct dpni_error_cfg *cfg)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_set_errors_behavior *cmd_params;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_ERRORS_BEHAVIOR,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_set_errors_behavior *)cmd.params;
+	cmd_params->errors = cpu_to_le32(cfg->errors);
+	dpni_set_field(cmd_params->flags, ERROR_ACTION, cfg->error_action);
+	dpni_set_field(cmd_params->flags, FRAME_ANN, cfg->set_frame_annotation);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_get_buffer_layout() - Retrieve buffer layout attributes.
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @qtype:	Type of queue to retrieve configuration for
+ * @layout:	Returns buffer layout attributes
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+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)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_get_buffer_layout *cmd_params;
+	struct dpni_rsp_get_buffer_layout *rsp_params;
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_BUFFER_LAYOUT,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_get_buffer_layout *)cmd.params;
+	cmd_params->qtype = qtype;
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	rsp_params = (struct dpni_rsp_get_buffer_layout *)cmd.params;
+	layout->pass_timestamp = dpni_get_field(rsp_params->flags, PASS_TS);
+	layout->pass_parser_result = dpni_get_field(rsp_params->flags, PASS_PR);
+	layout->pass_frame_status = dpni_get_field(rsp_params->flags, PASS_FS);
+	layout->private_data_size = le16_to_cpu(rsp_params->private_data_size);
+	layout->data_align = le16_to_cpu(rsp_params->data_align);
+	layout->data_head_room = le16_to_cpu(rsp_params->head_room);
+	layout->data_tail_room = le16_to_cpu(rsp_params->tail_room);
+
+	return 0;
+}
+
+/**
+ * dpni_set_buffer_layout() - Set buffer layout configuration.
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @qtype:	Type of queue this configuration applies to
+ * @layout:	Buffer layout configuration
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ *
+ * @warning	Allowed only when DPNI is disabled
+ */
+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)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_set_buffer_layout *cmd_params;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_BUFFER_LAYOUT,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_set_buffer_layout *)cmd.params;
+	cmd_params->qtype = qtype;
+	cmd_params->options = cpu_to_le16(layout->options);
+	dpni_set_field(cmd_params->flags, PASS_TS, layout->pass_timestamp);
+	dpni_set_field(cmd_params->flags, PASS_PR, layout->pass_parser_result);
+	dpni_set_field(cmd_params->flags, PASS_FS, layout->pass_frame_status);
+	cmd_params->private_data_size = cpu_to_le16(layout->private_data_size);
+	cmd_params->data_align = cpu_to_le16(layout->data_align);
+	cmd_params->head_room = cpu_to_le16(layout->data_head_room);
+	cmd_params->tail_room = cpu_to_le16(layout->data_tail_room);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_set_offload() - Set DPNI offload configuration.
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @type:	Type of DPNI offload
+ * @config:	Offload configuration.
+ *		For checksum offloads, non-zero value enables the offload
+ *
+ * Return:     '0' on Success; Error code otherwise.
+ *
+ * @warning    Allowed only when DPNI is disabled
+ */
+
+int dpni_set_offload(struct fsl_mc_io *mc_io,
+		     u32 cmd_flags,
+		     u16 token,
+		     enum dpni_offload type,
+		     u32 config)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_set_offload *cmd_params;
+
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_OFFLOAD,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_set_offload *)cmd.params;
+	cmd_params->dpni_offload = type;
+	cmd_params->config = cpu_to_le32(config);
+
+	return mc_send_command(mc_io, &cmd);
+}
+
+int dpni_get_offload(struct fsl_mc_io *mc_io,
+		     u32 cmd_flags,
+		     u16 token,
+		     enum dpni_offload type,
+		     u32 *config)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_get_offload *cmd_params;
+	struct dpni_rsp_get_offload *rsp_params;
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_OFFLOAD,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_get_offload *)cmd.params;
+	cmd_params->dpni_offload = type;
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	rsp_params = (struct dpni_rsp_get_offload *)cmd.params;
+	*config = le32_to_cpu(rsp_params->config);
+
+	return 0;
+}
+
+/**
+ * dpni_get_qdid() - Get the Queuing Destination ID (QDID) that should be used
+ *			for enqueue operations
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @qtype:	Type of queue to receive QDID for
+ * @qdid:	Returned virtual QDID value that should be used as an argument
+ *			in all enqueue operations
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_get_qdid(struct fsl_mc_io *mc_io,
+		  u32 cmd_flags,
+		  u16 token,
+		  enum dpni_queue_type qtype,
+		  u16 *qdid)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_get_qdid *cmd_params;
+	struct dpni_rsp_get_qdid *rsp_params;
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_QDID,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_get_qdid *)cmd.params;
+	cmd_params->qtype = qtype;
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	rsp_params = (struct dpni_rsp_get_qdid *)cmd.params;
+	*qdid = le16_to_cpu(rsp_params->qdid);
+
+	return 0;
+}
+
+/**
+ * dpni_get_tx_data_offset() - Get the Tx data offset (from start of buffer)
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @data_offset: Tx data offset (from start of buffer)
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_get_tx_data_offset(struct fsl_mc_io *mc_io,
+			    u32 cmd_flags,
+			    u16 token,
+			    u16 *data_offset)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_rsp_get_tx_data_offset *rsp_params;
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_TX_DATA_OFFSET,
+					  cmd_flags,
+					  token);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	rsp_params = (struct dpni_rsp_get_tx_data_offset *)cmd.params;
+	*data_offset = le16_to_cpu(rsp_params->data_offset);
+
+	return 0;
+}
+
+/**
+ * dpni_set_link_cfg() - set the link configuration.
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @cfg:	Link configuration
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_set_link_cfg(struct fsl_mc_io *mc_io,
+		      u32 cmd_flags,
+		      u16 token,
+		      const struct dpni_link_cfg *cfg)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_set_link_cfg *cmd_params;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_LINK_CFG,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_set_link_cfg *)cmd.params;
+	cmd_params->rate = cpu_to_le32(cfg->rate);
+	cmd_params->options = cpu_to_le64(cfg->options);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_get_link_state() - Return the link state (either up or down)
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @state:	Returned link state;
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_get_link_state(struct fsl_mc_io *mc_io,
+			u32 cmd_flags,
+			u16 token,
+			struct dpni_link_state *state)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_rsp_get_link_state *rsp_params;
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_LINK_STATE,
+					  cmd_flags,
+					  token);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	rsp_params = (struct dpni_rsp_get_link_state *)cmd.params;
+	state->up = dpni_get_field(rsp_params->flags, LINK_STATE);
+	state->rate = le32_to_cpu(rsp_params->rate);
+	state->options = le64_to_cpu(rsp_params->options);
+
+	return 0;
+}
+
+/**
+ * dpni_set_max_frame_length() - Set the maximum received frame length.
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @max_frame_length:	Maximum received frame length (in
+ *				bytes); frame is discarded if its
+ *				length exceeds this value
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_set_max_frame_length(struct fsl_mc_io *mc_io,
+			      u32 cmd_flags,
+			      u16 token,
+			      u16 max_frame_length)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_set_max_frame_length *cmd_params;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_MAX_FRAME_LENGTH,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_set_max_frame_length *)cmd.params;
+	cmd_params->max_frame_length = cpu_to_le16(max_frame_length);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_get_max_frame_length() - Get the maximum received frame length.
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @max_frame_length:	Maximum received frame length (in
+ *				bytes); frame is discarded if its
+ *				length exceeds this value
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_get_max_frame_length(struct fsl_mc_io *mc_io,
+			      u32 cmd_flags,
+			      u16 token,
+			      u16 *max_frame_length)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_rsp_get_max_frame_length *rsp_params;
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_MAX_FRAME_LENGTH,
+					  cmd_flags,
+					  token);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	rsp_params = (struct dpni_rsp_get_max_frame_length *)cmd.params;
+	*max_frame_length = le16_to_cpu(rsp_params->max_frame_length);
+
+	return 0;
+}
+
+/**
+ * dpni_set_multicast_promisc() - Enable/disable multicast promiscuous mode
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @en:		Set to '1' to enable; '0' to disable
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_set_multicast_promisc(struct fsl_mc_io *mc_io,
+			       u32 cmd_flags,
+			       u16 token,
+			       int en)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_set_multicast_promisc *cmd_params;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_MCAST_PROMISC,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_set_multicast_promisc *)cmd.params;
+	dpni_set_field(cmd_params->enable, ENABLE, en);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_get_multicast_promisc() - Get multicast promiscuous mode
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @en:		Returns '1' if enabled; '0' otherwise
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_get_multicast_promisc(struct fsl_mc_io *mc_io,
+			       u32 cmd_flags,
+			       u16 token,
+			       int *en)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_rsp_get_multicast_promisc *rsp_params;
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_MCAST_PROMISC,
+					  cmd_flags,
+					  token);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	rsp_params = (struct dpni_rsp_get_multicast_promisc *)cmd.params;
+	*en = dpni_get_field(rsp_params->enabled, ENABLE);
+
+	return 0;
+}
+
+/**
+ * dpni_set_unicast_promisc() - Enable/disable unicast promiscuous mode
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @en:		Set to '1' to enable; '0' to disable
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_set_unicast_promisc(struct fsl_mc_io *mc_io,
+			     u32 cmd_flags,
+			     u16 token,
+			     int en)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_set_unicast_promisc *cmd_params;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_UNICAST_PROMISC,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_set_unicast_promisc *)cmd.params;
+	dpni_set_field(cmd_params->enable, ENABLE, en);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_get_unicast_promisc() - Get unicast promiscuous mode
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @en:		Returns '1' if enabled; '0' otherwise
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_get_unicast_promisc(struct fsl_mc_io *mc_io,
+			     u32 cmd_flags,
+			     u16 token,
+			     int *en)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_rsp_get_unicast_promisc *rsp_params;
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_UNICAST_PROMISC,
+					  cmd_flags,
+					  token);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	rsp_params = (struct dpni_rsp_get_unicast_promisc *)cmd.params;
+	*en = dpni_get_field(rsp_params->enabled, ENABLE);
+
+	return 0;
+}
+
+/**
+ * dpni_set_primary_mac_addr() - Set the primary MAC address
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @mac_addr:	MAC address to set as primary address
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_set_primary_mac_addr(struct fsl_mc_io *mc_io,
+			      u32 cmd_flags,
+			      u16 token,
+			      const u8 mac_addr[6])
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_set_primary_mac_addr *cmd_params;
+	int i;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_PRIM_MAC,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_set_primary_mac_addr *)cmd.params;
+	for (i = 0; i < 6; i++)
+		cmd_params->mac_addr[i] = mac_addr[5 - i];
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_get_primary_mac_addr() - Get the primary MAC address
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @mac_addr:	Returned MAC address
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_get_primary_mac_addr(struct fsl_mc_io *mc_io,
+			      u32 cmd_flags,
+			      u16 token,
+			      u8 mac_addr[6])
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_rsp_get_primary_mac_addr *rsp_params;
+	int i, err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_PRIM_MAC,
+					  cmd_flags,
+					  token);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	rsp_params = (struct dpni_rsp_get_primary_mac_addr *)cmd.params;
+	for (i = 0; i < 6; i++)
+		mac_addr[5 - i] = rsp_params->mac_addr[i];
+
+	return 0;
+}
+
+/**
+ * dpni_get_port_mac_addr() - Retrieve MAC address associated to the physical
+ *			port the DPNI is attached to
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @mac_addr:	MAC address of the physical port, if any, otherwise 0
+ *
+ * The primary MAC address is not cleared by this operation.
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_get_port_mac_addr(struct fsl_mc_io *mc_io,
+			   u32 cmd_flags,
+			   u16 token,
+			   u8 mac_addr[6])
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_rsp_get_port_mac_addr *rsp_params;
+	int i, err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_PORT_MAC_ADDR,
+					  cmd_flags,
+					  token);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	rsp_params = (struct dpni_rsp_get_port_mac_addr *)cmd.params;
+	for (i = 0; i < 6; i++)
+		mac_addr[5 - i] = rsp_params->mac_addr[i];
+
+	return 0;
+}
+
+/**
+ * dpni_add_mac_addr() - Add MAC address filter
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @mac_addr:	MAC address to add
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_add_mac_addr(struct fsl_mc_io *mc_io,
+		      u32 cmd_flags,
+		      u16 token,
+		      const u8 mac_addr[6])
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_add_mac_addr *cmd_params;
+	int i;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_ADD_MAC_ADDR,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_add_mac_addr *)cmd.params;
+	for (i = 0; i < 6; i++)
+		cmd_params->mac_addr[i] = mac_addr[5 - i];
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_remove_mac_addr() - Remove MAC address filter
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @mac_addr:	MAC address to remove
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_remove_mac_addr(struct fsl_mc_io *mc_io,
+			 u32 cmd_flags,
+			 u16 token,
+			 const u8 mac_addr[6])
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_remove_mac_addr *cmd_params;
+	int i;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_REMOVE_MAC_ADDR,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_remove_mac_addr *)cmd.params;
+	for (i = 0; i < 6; i++)
+		cmd_params->mac_addr[i] = mac_addr[5 - i];
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_clear_mac_filters() - Clear all unicast and/or multicast MAC filters
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @unicast:	Set to '1' to clear unicast addresses
+ * @multicast:	Set to '1' to clear multicast addresses
+ *
+ * The primary MAC address is not cleared by this operation.
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_clear_mac_filters(struct fsl_mc_io *mc_io,
+			   u32 cmd_flags,
+			   u16 token,
+			   int unicast,
+			   int multicast)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_clear_mac_filters *cmd_params;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_CLR_MAC_FILTERS,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_clear_mac_filters *)cmd.params;
+	dpni_set_field(cmd_params->flags, UNICAST_FILTERS, unicast);
+	dpni_set_field(cmd_params->flags, MULTICAST_FILTERS, multicast);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_set_rx_tc_dist() - Set Rx traffic class distribution configuration
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @tc_id:	Traffic class selection (0-7)
+ * @cfg:	Traffic class distribution configuration
+ *
+ * warning: if 'dist_mode != DPNI_DIST_MODE_NONE', call dpni_prepare_key_cfg()
+ *			first to prepare the key_cfg_iova parameter
+ *
+ * Return:	'0' on Success; error code otherwise.
+ */
+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)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_set_rx_tc_dist *cmd_params;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_RX_TC_DIST,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_set_rx_tc_dist *)cmd.params;
+	cmd_params->dist_size = cpu_to_le16(cfg->dist_size);
+	cmd_params->tc_id = tc_id;
+	dpni_set_field(cmd_params->flags, DIST_MODE, cfg->dist_mode);
+	dpni_set_field(cmd_params->flags, MISS_ACTION, cfg->fs_cfg.miss_action);
+	cmd_params->default_flow_id = cpu_to_le16(cfg->fs_cfg.default_flow_id);
+	cmd_params->key_cfg_iova = cpu_to_le64(cfg->key_cfg_iova);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_set_queue() - Set queue parameters
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @qtype:	Type of queue - all queue types are supported, although
+ *		the command is ignored for Tx
+ * @tc:		Traffic class, in range 0 to NUM_TCS - 1
+ * @index:	Selects the specific queue out of the set allocated for the
+ *		same TC. Value must be in range 0 to NUM_QUEUES - 1
+ * @options:	A combination of DPNI_QUEUE_OPT_ values that control what
+ *		configuration options are set on the queue
+ * @queue:	Queue structure
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+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)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_set_queue *cmd_params;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_QUEUE,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_set_queue *)cmd.params;
+	cmd_params->qtype = qtype;
+	cmd_params->tc = tc;
+	cmd_params->index = index;
+	cmd_params->options = options;
+	cmd_params->dest_id = cpu_to_le32(queue->destination.id);
+	cmd_params->dest_prio = queue->destination.priority;
+	dpni_set_field(cmd_params->flags, DEST_TYPE, queue->destination.type);
+	dpni_set_field(cmd_params->flags, STASH_CTRL, queue->flc.stash_control);
+	dpni_set_field(cmd_params->flags, HOLD_ACTIVE,
+		       queue->destination.hold_active);
+	cmd_params->flc = cpu_to_le64(queue->flc.value);
+	cmd_params->user_context = cpu_to_le64(queue->user_context);
+
+	/* send command to mc */
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_get_queue() - Get queue parameters
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @qtype:	Type of queue - all queue types are supported
+ * @tc:		Traffic class, in range 0 to NUM_TCS - 1
+ * @index:	Selects the specific queue out of the set allocated for the
+ *		same TC. Value must be in range 0 to NUM_QUEUES - 1
+ * @queue:	Queue configuration structure
+ * @qid:	Queue identification
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+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)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_get_queue *cmd_params;
+	struct dpni_rsp_get_queue *rsp_params;
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_QUEUE,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_get_queue *)cmd.params;
+	cmd_params->qtype = qtype;
+	cmd_params->tc = tc;
+	cmd_params->index = index;
+
+	/* send command to mc */
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	rsp_params = (struct dpni_rsp_get_queue *)cmd.params;
+	queue->destination.id = le32_to_cpu(rsp_params->dest_id);
+	queue->destination.priority = rsp_params->dest_prio;
+	queue->destination.type = dpni_get_field(rsp_params->flags,
+						 DEST_TYPE);
+	queue->flc.stash_control = dpni_get_field(rsp_params->flags,
+						  STASH_CTRL);
+	queue->destination.hold_active = dpni_get_field(rsp_params->flags,
+							HOLD_ACTIVE);
+	queue->flc.value = le64_to_cpu(rsp_params->flc);
+	queue->user_context = le64_to_cpu(rsp_params->user_context);
+	qid->fqid = le32_to_cpu(rsp_params->fqid);
+	qid->qdbin = le16_to_cpu(rsp_params->qdbin);
+
+	return 0;
+}
+
+/**
+ * dpni_get_statistics() - Get DPNI statistics
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @page:	Selects the statistics page to retrieve, see
+ *		DPNI_GET_STATISTICS output. Pages are numbered 0 to 2.
+ * @stat:	Structure containing the statistics
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_get_statistics(struct fsl_mc_io *mc_io,
+			u32 cmd_flags,
+			u16 token,
+			u8 page,
+			union dpni_statistics *stat)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_get_statistics *cmd_params;
+	struct dpni_rsp_get_statistics *rsp_params;
+	int i, err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_STATISTICS,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_get_statistics *)cmd.params;
+	cmd_params->page_number = page;
+
+	/* send command to mc */
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	rsp_params = (struct dpni_rsp_get_statistics *)cmd.params;
+	for (i = 0; i < DPNI_STATISTICS_CNT; i++)
+		stat->raw.counter[i] = le64_to_cpu(rsp_params->counter[i]);
+
+	return 0;
+}
+
+/**
+ * dpni_set_taildrop() - Set taildrop per queue or TC
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @cg_point:	Congestion point
+ * @q_type:	Queue type on which the taildrop is configured.
+ *		Only Rx queues are supported for now
+ * @tc:		Traffic class to apply this taildrop to
+ * @q_index:	Index of the queue if the DPNI supports multiple queues for
+ *		traffic distribution. Ignored if CONGESTION_POINT is not 0.
+ * @taildrop:	Taildrop structure
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+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 qtype,
+		      u8 tc,
+		      u8 index,
+		      struct dpni_taildrop *taildrop)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_set_taildrop *cmd_params;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_TAILDROP,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_set_taildrop *)cmd.params;
+	cmd_params->congestion_point = cg_point;
+	cmd_params->qtype = qtype;
+	cmd_params->tc = tc;
+	cmd_params->index = index;
+	dpni_set_field(cmd_params->enable, ENABLE, taildrop->enable);
+	cmd_params->units = taildrop->units;
+	cmd_params->threshold = cpu_to_le32(taildrop->threshold);
+
+	/* send command to mc */
+	return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_get_taildrop() - Get taildrop information
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPNI object
+ * @cg_point:	Congestion point
+ * @q_type:	Queue type on which the taildrop is configured.
+ *		Only Rx queues are supported for now
+ * @tc:		Traffic class to apply this taildrop to
+ * @q_index:	Index of the queue if the DPNI supports multiple queues for
+ *		traffic distribution. Ignored if CONGESTION_POINT is not 0.
+ * @taildrop:	Taildrop structure
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+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 qtype,
+		      u8 tc,
+		      u8 index,
+		      struct dpni_taildrop *taildrop)
+{
+	struct fsl_mc_command cmd = { 0 };
+	struct dpni_cmd_get_taildrop *cmd_params;
+	struct dpni_rsp_get_taildrop *rsp_params;
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_TAILDROP,
+					  cmd_flags,
+					  token);
+	cmd_params = (struct dpni_cmd_get_taildrop *)cmd.params;
+	cmd_params->congestion_point = cg_point;
+	cmd_params->qtype = qtype;
+	cmd_params->tc = tc;
+	cmd_params->index = index;
+
+	/* send command to mc */
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	rsp_params = (struct dpni_rsp_get_taildrop *)cmd.params;
+	taildrop->enable = dpni_get_field(rsp_params->enable, ENABLE);
+	taildrop->units = rsp_params->units;
+	taildrop->threshold = le32_to_cpu(rsp_params->threshold);
+
+	return 0;
+}
+
+/**
+ * dpni_get_api_version() - Get Data Path Network Interface API version
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @major_ver:	Major version of data path network interface API
+ * @minor_ver:	Minor version of data path network interface API
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_get_api_version(struct fsl_mc_io *mc_io,
+			 u32 cmd_flags,
+			 u16 *major_ver,
+			 u16 *minor_ver)
+{
+	struct dpni_rsp_get_api_version *rsp_params;
+	struct fsl_mc_command cmd = { 0 };
+	int err;
+
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_API_VERSION,
+					  cmd_flags, 0);
+
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	rsp_params = (struct dpni_rsp_get_api_version *)cmd.params;
+	*major_ver = le16_to_cpu(rsp_params->major);
+	*minor_ver = le16_to_cpu(rsp_params->minor);
+
+	return 0;
+}