Imported Upstream version 17.05

Change-Id: Id1e419c5a214e4a18739663b91f0f9a549f1fdc6
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>

1 files changed, 739 insertions, 0 deletions

diff --git a/drivers/net/dpaa2/mc/dpni.c b/drivers/net/dpaa2/mc/dpni.c
new file mode 100644
index 00000000..33306140
--- /dev/null
+++ b/drivers/net/dpaa2/mc/dpni.c
@@ -0,0 +1,739 @@
+/*-
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ *   BSD LICENSE
+ *
+ * Copyright 2013-2016 Freescale Semiconductor Inc.
+ * Copyright (c) 2016 NXP.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of the above-listed copyright holders nor the
+ * names of any contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ *   GPL LICENSE SUMMARY
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") as published by the Free Software
+ * Foundation, either version 2 of that License or (at your option) any
+ * later version.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <fsl_mc_sys.h>
+#include <fsl_mc_cmd.h>
+#include <fsl_dpni.h>
+#include <fsl_dpni_cmd.h>
+
+int dpni_prepare_key_cfg(const struct dpkg_profile_cfg *cfg,
+			 uint8_t *key_cfg_buf)
+{
+	int i, j;
+	int offset = 0;
+	int param = 1;
+	uint64_t *params = (uint64_t *)key_cfg_buf;
+
+	if (!key_cfg_buf || !cfg)
+		return -EINVAL;
+
+	params[0] |= mc_enc(0, 8, cfg->num_extracts);
+	params[0] = cpu_to_le64(params[0]);
+
+	if (cfg->num_extracts >= DPKG_MAX_NUM_OF_EXTRACTS)
+		return -EINVAL;
+
+	for (i = 0; i < cfg->num_extracts; i++) {
+		switch (cfg->extracts[i].type) {
+		case DPKG_EXTRACT_FROM_HDR:
+			params[param] |= mc_enc(0, 8,
+					cfg->extracts[i].extract.from_hdr.prot);
+			params[param] |= mc_enc(8, 4,
+					cfg->extracts[i].extract.from_hdr.type);
+			params[param] |= mc_enc(16, 8,
+					cfg->extracts[i].extract.from_hdr.size);
+			params[param] |= mc_enc(24, 8,
+					cfg->extracts[i].extract.
+					from_hdr.offset);
+			params[param] |= mc_enc(32, 32,
+					cfg->extracts[i].extract.
+					from_hdr.field);
+			params[param] = cpu_to_le64(params[param]);
+			param++;
+			params[param] |= mc_enc(0, 8,
+					cfg->extracts[i].extract.
+					from_hdr.hdr_index);
+			break;
+		case DPKG_EXTRACT_FROM_DATA:
+			params[param] |= mc_enc(16, 8,
+					cfg->extracts[i].extract.
+					from_data.size);
+			params[param] |= mc_enc(24, 8,
+					cfg->extracts[i].extract.
+					from_data.offset);
+			params[param] = cpu_to_le64(params[param]);
+			param++;
+			break;
+		case DPKG_EXTRACT_FROM_PARSE:
+			params[param] |= mc_enc(16, 8,
+					cfg->extracts[i].extract.
+					from_parse.size);
+			params[param] |= mc_enc(24, 8,
+					cfg->extracts[i].extract.
+					from_parse.offset);
+			params[param] = cpu_to_le64(params[param]);
+			param++;
+			break;
+		default:
+			return -EINVAL;
+		}
+		params[param] |= mc_enc(
+			24, 8, cfg->extracts[i].num_of_byte_masks);
+		params[param] |= mc_enc(32, 4, cfg->extracts[i].type);
+		params[param] = cpu_to_le64(params[param]);
+		param++;
+		for (offset = 0, j = 0;
+			j < DPKG_NUM_OF_MASKS;
+			offset += 16, j++) {
+			params[param] |= mc_enc(
+				(offset), 8, cfg->extracts[i].masks[j].mask);
+			params[param] |= mc_enc(
+				(offset + 8), 8,
+				cfg->extracts[i].masks[j].offset);
+		}
+		params[param] = cpu_to_le64(params[param]);
+		param++;
+	}
+	return 0;
+}
+
+int dpni_open(struct fsl_mc_io *mc_io,
+	      uint32_t cmd_flags,
+	      int dpni_id,
+	      uint16_t *token)
+{
+	struct mc_command cmd = { 0 };
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_OPEN,
+					  cmd_flags,
+					  0);
+	DPNI_CMD_OPEN(cmd, 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.header);
+
+	return 0;
+}
+
+int dpni_close(struct fsl_mc_io *mc_io,
+	       uint32_t cmd_flags,
+	       uint16_t token)
+{
+	struct 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);
+}
+
+int dpni_create(struct fsl_mc_io	*mc_io,
+		uint16_t	dprc_token,
+		uint32_t	cmd_flags,
+		const struct dpni_cfg	*cfg,
+		uint32_t	*obj_id)
+{
+	struct mc_command cmd = { 0 };
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_CREATE,
+					  cmd_flags,
+					  dprc_token);
+	DPNI_CMD_CREATE(cmd, cfg);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	CMD_CREATE_RSP_GET_OBJ_ID_PARAM0(cmd, *obj_id);
+
+	return 0;
+}
+
+int dpni_destroy(struct fsl_mc_io	*mc_io,
+		 uint16_t	dprc_token,
+		uint32_t	cmd_flags,
+		uint32_t	object_id)
+{
+	struct mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_DESTROY,
+					  cmd_flags,
+					  dprc_token);
+	/* set object id to destroy */
+	CMD_DESTROY_SET_OBJ_ID_PARAM0(cmd, object_id);
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+int dpni_set_pools(struct fsl_mc_io *mc_io,
+		   uint32_t cmd_flags,
+		   uint16_t token,
+		   const struct dpni_pools_cfg *cfg)
+{
+	struct mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_POOLS,
+					  cmd_flags,
+					  token);
+	DPNI_CMD_SET_POOLS(cmd, cfg);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+int dpni_enable(struct fsl_mc_io *mc_io,
+		uint32_t cmd_flags,
+		uint16_t token)
+{
+	struct 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);
+}
+
+int dpni_disable(struct fsl_mc_io *mc_io,
+		 uint32_t cmd_flags,
+		 uint16_t token)
+{
+	struct 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);
+}
+
+int dpni_is_enabled(struct fsl_mc_io *mc_io,
+		    uint32_t cmd_flags,
+		    uint16_t token,
+		    int *en)
+{
+	struct mc_command cmd = { 0 };
+	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 */
+	DPNI_RSP_IS_ENABLED(cmd, *en);
+
+	return 0;
+}
+
+int dpni_reset(struct fsl_mc_io *mc_io,
+	       uint32_t cmd_flags,
+	       uint16_t token)
+{
+	struct 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);
+}
+
+int dpni_get_attributes(struct fsl_mc_io *mc_io,
+			uint32_t cmd_flags,
+			uint16_t token,
+			struct dpni_attr *attr)
+{
+	struct mc_command cmd = { 0 };
+	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 */
+	DPNI_RSP_GET_ATTR(cmd, attr);
+
+	return 0;
+}
+
+int dpni_set_errors_behavior(struct fsl_mc_io *mc_io,
+			     uint32_t cmd_flags,
+			     uint16_t token,
+			      struct dpni_error_cfg *cfg)
+{
+	struct mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_ERRORS_BEHAVIOR,
+					  cmd_flags,
+					  token);
+	DPNI_CMD_SET_ERRORS_BEHAVIOR(cmd, cfg);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+int dpni_get_buffer_layout(struct fsl_mc_io *mc_io,
+			   uint32_t cmd_flags,
+			   uint16_t token,
+			   enum dpni_queue_type qtype,
+			   struct dpni_buffer_layout *layout)
+{
+	struct mc_command cmd = { 0 };
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_BUFFER_LAYOUT,
+					  cmd_flags,
+					  token);
+	DPNI_CMD_GET_BUFFER_LAYOUT(cmd, qtype);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	DPNI_RSP_GET_BUFFER_LAYOUT(cmd, layout);
+
+	return 0;
+}
+
+int dpni_set_buffer_layout(struct fsl_mc_io *mc_io,
+			   uint32_t cmd_flags,
+			      uint16_t token,
+			      enum dpni_queue_type qtype,
+			      const struct dpni_buffer_layout *layout)
+{
+	struct mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_BUFFER_LAYOUT,
+					  cmd_flags,
+					  token);
+	DPNI_CMD_SET_BUFFER_LAYOUT(cmd, qtype, layout);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+int dpni_set_offload(struct fsl_mc_io *mc_io,
+		     uint32_t cmd_flags,
+		     uint16_t token,
+		     enum dpni_offload type,
+		     uint32_t config)
+{
+	struct mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_OFFLOAD,
+					  cmd_flags,
+					  token);
+	DPNI_CMD_SET_OFFLOAD(cmd, type, config);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+int dpni_get_offload(struct fsl_mc_io *mc_io,
+		     uint32_t cmd_flags,
+		     uint16_t token,
+		     enum dpni_offload type,
+		     uint32_t *config)
+{
+	struct mc_command cmd = { 0 };
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_OFFLOAD,
+					  cmd_flags,
+					  token);
+	DPNI_CMD_GET_OFFLOAD(cmd, type);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	DPNI_RSP_GET_OFFLOAD(cmd, *config);
+
+	return 0;
+}
+
+int dpni_get_qdid(struct fsl_mc_io *mc_io,
+		  uint32_t cmd_flags,
+		  uint16_t token,
+		  enum dpni_queue_type qtype,
+		  uint16_t *qdid)
+{
+	struct mc_command cmd = { 0 };
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_QDID,
+					  cmd_flags,
+					  token);
+	DPNI_CMD_GET_QDID(cmd, qtype);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	DPNI_RSP_GET_QDID(cmd, *qdid);
+
+	return 0;
+}
+int dpni_get_link_state(struct fsl_mc_io *mc_io,
+			uint32_t cmd_flags,
+			uint16_t token,
+			struct dpni_link_state *state)
+{
+	struct mc_command cmd = { 0 };
+	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 */
+	DPNI_RSP_GET_LINK_STATE(cmd, state);
+
+	return 0;
+}
+
+int dpni_set_max_frame_length(struct fsl_mc_io *mc_io,
+			      uint32_t cmd_flags,
+			      uint16_t token,
+			      uint16_t max_frame_length)
+{
+	struct mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_MAX_FRAME_LENGTH,
+					  cmd_flags,
+					  token);
+	DPNI_CMD_SET_MAX_FRAME_LENGTH(cmd, max_frame_length);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+int dpni_get_max_frame_length(struct fsl_mc_io *mc_io,
+			      uint32_t cmd_flags,
+			      uint16_t token,
+			      uint16_t *max_frame_length)
+{
+	struct mc_command cmd = { 0 };
+	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 */
+	DPNI_RSP_GET_MAX_FRAME_LENGTH(cmd, *max_frame_length);
+
+	return 0;
+}
+
+int dpni_set_unicast_promisc(struct fsl_mc_io *mc_io,
+			     uint32_t cmd_flags,
+			     uint16_t token,
+			     int en)
+{
+	struct mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_UNICAST_PROMISC,
+					  cmd_flags,
+					  token);
+	DPNI_CMD_SET_UNICAST_PROMISC(cmd, en);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+int dpni_get_unicast_promisc(struct fsl_mc_io *mc_io,
+			     uint32_t cmd_flags,
+			     uint16_t token,
+			     int *en)
+{
+	struct mc_command cmd = { 0 };
+	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 */
+	DPNI_RSP_GET_UNICAST_PROMISC(cmd, *en);
+
+	return 0;
+}
+
+int dpni_set_primary_mac_addr(struct fsl_mc_io *mc_io,
+			      uint32_t cmd_flags,
+			      uint16_t token,
+			      const uint8_t mac_addr[6])
+{
+	struct mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_PRIM_MAC,
+					  cmd_flags,
+					  token);
+	DPNI_CMD_SET_PRIMARY_MAC_ADDR(cmd, mac_addr);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+int dpni_get_primary_mac_addr(struct fsl_mc_io *mc_io,
+			      uint32_t cmd_flags,
+			      uint16_t token,
+			      uint8_t mac_addr[6])
+{
+	struct mc_command cmd = { 0 };
+	int 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 */
+	DPNI_RSP_GET_PRIMARY_MAC_ADDR(cmd, mac_addr);
+
+	return 0;
+}
+
+int dpni_set_rx_tc_dist(struct fsl_mc_io *mc_io,
+			uint32_t cmd_flags,
+			uint16_t token,
+			uint8_t tc_id,
+			const struct dpni_rx_tc_dist_cfg *cfg)
+{
+	struct mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_RX_TC_DIST,
+					  cmd_flags,
+					  token);
+	DPNI_CMD_SET_RX_TC_DIST(cmd, tc_id, cfg);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+int dpni_set_tx_confirmation_mode(struct fsl_mc_io	*mc_io,
+				  uint32_t		cmd_flags,
+			    uint16_t		token,
+			    enum dpni_confirmation_mode mode)
+{
+	struct mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_TX_CONFIRMATION_MODE,
+					  cmd_flags,
+					  token);
+	DPNI_CMD_SET_TX_CONFIRMATION_MODE(cmd, mode);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+int dpni_get_api_version(struct fsl_mc_io *mc_io,
+			 uint32_t cmd_flags,
+			   uint16_t *major_ver,
+			   uint16_t *minor_ver)
+{
+	struct 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;
+
+	DPNI_RSP_GET_API_VERSION(cmd, *major_ver, *minor_ver);
+
+	return 0;
+}
+
+int dpni_set_queue(struct fsl_mc_io *mc_io,
+		   uint32_t cmd_flags,
+		     uint16_t token,
+		   enum dpni_queue_type qtype,
+			 uint8_t tc,
+			 uint8_t index,
+		   uint8_t options,
+		     const struct dpni_queue *queue)
+{
+	struct mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_QUEUE,
+					  cmd_flags,
+					  token);
+	DPNI_CMD_SET_QUEUE(cmd, qtype, tc, index, options, queue);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}
+
+int dpni_get_queue(struct fsl_mc_io *mc_io,
+		   uint32_t cmd_flags,
+		     uint16_t token,
+		   enum dpni_queue_type qtype,
+			 uint8_t tc,
+			 uint8_t index,
+		   struct dpni_queue *queue,
+		   struct dpni_queue_id *qid)
+{
+	struct mc_command cmd = { 0 };
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_QUEUE,
+					  cmd_flags,
+					  token);
+	DPNI_CMD_GET_QUEUE(cmd, qtype, tc, index);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	DPNI_RSP_GET_QUEUE(cmd, queue, qid);
+
+	return 0;
+}
+
+int dpni_get_statistics(struct fsl_mc_io *mc_io,
+			uint32_t cmd_flags,
+			uint16_t token,
+			uint8_t page,
+			union dpni_statistics *stat)
+{
+	struct mc_command cmd = { 0 };
+	int err;
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_STATISTICS,
+					  cmd_flags,
+					  token);
+	DPNI_CMD_GET_STATISTICS(cmd, page);
+
+	/* send command to mc*/
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	/* retrieve response parameters */
+	DPNI_RSP_GET_STATISTICS(cmd, stat);
+
+	return 0;
+}
+
+int dpni_reset_statistics(struct fsl_mc_io *mc_io,
+			  uint32_t cmd_flags,
+		     uint16_t token)
+{
+	struct mc_command cmd = { 0 };
+
+	/* prepare command */
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_RESET_STATISTICS,
+					  cmd_flags,
+					  token);
+
+	/* send command to mc*/
+	return mc_send_command(mc_io, &cmd);
+}