drivers/net/fsl-mc/dpni.c

/*
 * Copyright (C) 2013-2016 Freescale Semiconductor
 * Copyright 2017 NXP
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <fsl-mc/fsl_mc_sys.h>
#include <fsl-mc/fsl_mc_cmd.h>
#include <fsl-mc/fsl_dpni.h>

int dpni_prepare_cfg(const struct dpni_cfg	*cfg,
		     uint8_t			*cfg_buf)
{
	uint64_t *params = (uint64_t *)cfg_buf;

	DPNI_PREP_CFG(params, cfg);

	return 0;
}

int dpni_extract_cfg(struct dpni_cfg	*cfg,
		     const uint8_t	*cfg_buf)
{
	uint64_t *params = (uint64_t *)cfg_buf;

	DPNI_EXT_CFG(params, cfg);

	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 */
	 MC_CMD_READ_OBJ_ID(cmd, *obj_id);

	return 0;
}

int dpni_destroy(struct fsl_mc_io *mc_io,
		 uint16_t dprc_token,
		 uint32_t cmd_flags,
		 uint32_t obj_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, obj_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_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_set_buffer_layout(struct fsl_mc_io *mc_io,
			   uint32_t cmd_flags,
			   uint16_t token,
			   const struct dpni_buffer_layout *layout,
			   enum dpni_queue_type type)
{
	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, layout, type);

	/* send command to mc*/
	return mc_send_command(mc_io, &cmd);
}

int dpni_get_qdid(struct fsl_mc_io *mc_io,
		  uint32_t cmd_flags,
		  uint16_t token,
		  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);

	/* 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_tx_data_offset(struct fsl_mc_io *mc_io,
			    uint32_t cmd_flags,
			    uint16_t token,
			    uint16_t *data_offset)
{
	struct mc_command cmd = { 0 };
	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 */
	DPNI_RSP_GET_TX_DATA_OFFSET(cmd, *data_offset);

	return 0;
}

int dpni_set_link_cfg(struct fsl_mc_io *mc_io,
		      uint32_t cmd_flags,
		      uint16_t token,
		      const struct dpni_link_cfg *cfg)
{
	struct mc_command cmd = { 0 };

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_LINK_CFG,
					  cmd_flags,
					  token);
	DPNI_CMD_SET_LINK_CFG(cmd, cfg);

	/* send command to mc*/
	return mc_send_command(mc_io, &cmd);
}

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_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_add_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_ADD_MAC_ADDR,
					  cmd_flags,
					  token);
	DPNI_CMD_ADD_MAC_ADDR(cmd, mac_addr);

	/* send command to mc*/
	return mc_send_command(mc_io, &cmd);
}

int dpni_remove_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_REMOVE_MAC_ADDR,
					  cmd_flags,
					  token);
	DPNI_CMD_REMOVE_MAC_ADDR(cmd, mac_addr);

	/* send command to mc*/
	return mc_send_command(mc_io, &cmd);
}

int dpni_get_api_version(struct fsl_mc_io *mc_io,
			 u32 cmd_flags,
			 u16 *major_ver,
			 u16 *minor_ver)
{
	struct mc_command cmd = { 0 };
	int err;

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_API_VERSION,
					  cmd_flags, 0);

	/* send command to mc */
	err = mc_send_command(mc_io, &cmd);
	if (err)
		return err;

	/* retrieve response parameters */
	mc_cmd_read_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 type,
	uint8_t tc,
	uint8_t index,
	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, type, tc, index, 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 type,
	uint8_t tc,
	uint8_t index,
	struct dpni_queue *queue)
{
	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, type, 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);
	return 0;
}

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 dpni_tx_confirmation_mode *cmd_params;
	struct mc_command cmd = { 0 };

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_TX_CONFIRMATION_MODE,
					  cmd_flags,
					  token);

	cmd_params = (struct dpni_tx_confirmation_mode *)cmd.params;
	cmd_params->confirmation_mode = mode;

	/* send command to mc*/
	return mc_send_command(mc_io, &cmd);
}

int dpni_get_statistics(struct fsl_mc_io *mc_io,
			uint32_t cmd_flags,
			uint16_t token,
			uint8_t  page,
			struct 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);
}