/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
*
* Copyright 2013-2016 Freescale Semiconductor Inc.
* Copyright 2016-2019 NXP
*
*/
#include <fsl_mc_sys.h>
#include <fsl_mc_cmd.h>
#include <fsl_dpni.h>
#include <fsl_dpni_cmd.h>
/**
* 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,
uint32_t cmd_flags,
int dpni_id,
uint16_t *token)
{
struct 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,
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);
}
/**
* dpni_create() - Create the DPNI object
* @mc_io: Pointer to MC portal's I/O object
* @dprc_token: Parent container token; '0' for default container
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @cfg: Configuration structure
* @obj_id: Returned object id
*
* Create the DPNI object, allocate required resources and
* perform required initialization.
*
* The object can be created either by declaring it in the
* DPL file, or by calling this function.
*
* The function accepts an authentication token of a parent
* container that this object should be assigned to. The token
* can be '0' so the object will be assigned to the default container.
* The newly created object can be opened with the returned
* object id and using the container's associated tokens and MC portals.
*
* Return: '0' on Success; Error code otherwise.
*/
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 dpni_cmd_create *cmd_params;
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPNI_CMDID_CREATE,
cmd_flags,
dprc_token);
cmd_params = (struct dpni_cmd_create *)cmd.params;
cmd_params->options = cpu_to_le32(cfg->options);
cmd_params->num_queues = cfg->num_queues;
cmd_params->num_tcs = cfg->num_tcs;
cmd_params->mac_filter_entries = cfg->mac_filter_entries;
cmd_params->num_rx_tcs = cfg->num_rx_tcs;
cmd_params->vlan_filter_entries = cfg->vlan_filter_entries;
cmd_params->qos_entries = cfg->qos_entries;
cmd_params->fs_entries = cpu_to_le16(cfg->fs_entries);
cmd_params->num_cgs = cfg->num_cgs;
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
*obj_id = mc_cmd_read_object_id(&cmd);
return 0;
}
/**
* dpni_destroy() - Destroy the DPNI object and release all its resources.
* @mc_io: Pointer to MC portal's I/O object
* @dprc_token: Parent container token; '0' for default container
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @object_id: The object id; it must be a valid id within the container that
* created this object;
*
* The function accepts the authentication token of the parent container that
* created the object (not the one that currently owns the object). The object
* is searched within parent using the provided 'object_id'.
* All tokens to the object must be closed before calling destroy.
*
* Return: '0' on Success; error code otherwise.
*/
int dpni_destroy(struct fsl_mc_io *mc_io,
uint16_t dprc_token,
uint32_t cmd_flags,
uint32_t object_id)
{
struct dpni_cmd_destroy *cmd_params;
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_params = (struct dpni_cmd_destroy *)cmd.params;
cmd_params->dpsw_id = cpu_to_le32(object_id);
/* 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,
uint32_t cmd_flags,
uint16_t token,
const struct dpni_pools_cfg *cfg)
{
struct 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;
cmd_params->pool_options = cfg->pool_options;
for (i = 0; i < cmd_params->num_dpbp; i++) {
cmd_params->pool[i].dpbp_id =
cpu_to_le16(cfg->pools[i].dpbp_id);
cmd_params->pool[i].priority_mask =
cfg->pools[i].priority_mask;
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,
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);
}
/**
* 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,
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);
}
/**
* 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,
uint32_t cmd_flags,
uint16_t token,
int *en)
{
struct 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,
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);
}
/**
* 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,
uint32_t cmd_flags,
uint16_t token,
uint8_t irq_index,
uint8_t en)
{
struct 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,
uint32_t cmd_flags,
uint16_t token,
uint8_t irq_index,
uint8_t *en)
{
struct 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,
uint32_t cmd_flags,
uint16_t token,
uint8_t irq_index,
uint32_t mask)
{
struct 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,
uint32_t cmd_flags,
uint16_t token,
uint8_t irq_index,
uint32_t *mask)
{
struct 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,
uint32_t cmd_flags,
uint16_t token,
uint8_t irq_index,
uint32_t *status)
{
struct 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,
uint32_t cmd_flags,
uint16_t token,
uint8_t irq_index,
uint32_t status)
{
struct 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,
uint32_t cmd_flags,
uint16_t token,
struct dpni_attr *attr)
{
struct 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_rx_tcs = rsp_params->num_rx_tcs;
attr->num_tx_tcs = rsp_params->num_tx_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);
attr->num_cgs = rsp_params->num_cgs;
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,
uint32_t cmd_flags,
uint16_t token,
struct dpni_error_cfg *cfg)
{
struct 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,
uint32_t cmd_flags,
uint16_t token,
enum dpni_queue_type qtype,
struct dpni_buffer_layout *layout)
{
struct 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 =
(int)dpni_get_field(rsp_params->flags, PASS_TS);
layout->pass_parser_result =
(int)dpni_get_field(rsp_params->flags, PASS_PR);
layout->pass_frame_status =
(int)dpni_get_field(rsp_params->flags, PASS_FS);
layout->pass_sw_opaque =
(int)dpni_get_field(rsp_params->flags, PASS_SWO);
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,
uint32_t cmd_flags,
uint16_t token,
enum dpni_queue_type qtype,
const struct dpni_buffer_layout *layout)
{
struct 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((uint16_t)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);
dpni_set_field(cmd_params->flags, PASS_SWO, layout->pass_sw_opaque);
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,
uint32_t cmd_flags,
uint16_t token,
enum dpni_offload type,
uint32_t config)
{
struct 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);
}
/**
* dpni_get_offload() - Get 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, a value of 1 indicates that the
* offload is enabled.
*
* Return: '0' on Success; Error code otherwise.
*
* @warning Allowed only when DPNI is disabled
*/
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 };
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,
uint32_t cmd_flags,
uint16_t token,
enum dpni_queue_type qtype,
uint16_t *qdid)
{
struct 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,
uint32_t cmd_flags,
uint16_t token,
uint16_t *data_offset)
{
struct 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,
uint32_t cmd_flags,
uint16_t token,
const struct dpni_link_cfg *cfg)
{
struct 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);
cmd_params->advertising = cpu_to_le64(cfg->advertising);
/* 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,
uint32_t cmd_flags,
uint16_t token,
struct dpni_link_state *state)
{
struct 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->state_valid = dpni_get_field(rsp_params->flags, STATE_VALID);
state->rate = le32_to_cpu(rsp_params->rate);
state->options = le64_to_cpu(rsp_params->options);
state->supported = le64_to_cpu(rsp_params->supported);
state->advertising = le64_to_cpu(rsp_params->advertising);
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,
uint32_t cmd_flags,
uint16_t token,
uint16_t max_frame_length)
{
struct 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,
uint32_t cmd_flags,
uint16_t token,
uint16_t *max_frame_length)
{
struct 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,
uint32_t cmd_flags,
uint16_t token,
int en)
{
struct 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,
uint32_t cmd_flags,
uint16_t token,
int *en)
{
struct 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,
uint32_t cmd_flags,
uint16_t token,
int en)
{
struct 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,
uint32_t cmd_flags,
uint16_t token,
int *en)
{
struct 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,
uint32_t cmd_flags,
uint16_t token,
const uint8_t mac_addr[6])
{
struct 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,
uint32_t cmd_flags,
uint16_t token,
uint8_t mac_addr[6])
{
struct 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_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
* @flags : 0 - tc_id and flow_id will be ignored.
* Pkt with this mac_id will be passed to the next
* classification stages
* DPNI_MAC_SET_QUEUE_ACTION
* Pkt with this mac will be forward directly to
* queue defined by the tc_id and flow_id
* @tc_id : Traffic class selection (0-7)
* @flow_id : Selects the specific queue out of the set allocated for the
* same as tc_id. Value must be in range 0 to NUM_QUEUES - 1
* Return: '0' on Success; Error code otherwise.
*/
int dpni_add_mac_addr(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
const uint8_t mac_addr[6],
uint8_t flags,
uint8_t tc_id,
uint8_t flow_id)
{
struct 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;
cmd_params->flags = flags;
cmd_params->tc_id = tc_id;
cmd_params->fq_id = flow_id;
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,
uint32_t cmd_flags,
uint16_t token,
const uint8_t mac_addr[6])
{
struct 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,
uint32_t cmd_flags,
uint16_t token,
int unicast,
int multicast)
{
struct 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_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,
uint32_t cmd_flags,
uint16_t token,
uint8_t mac_addr[6])
{
struct 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_enable_vlan_filter() - Enable/disable VLAN filtering 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_enable_vlan_filter(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
int en)
{
struct dpni_cmd_enable_vlan_filter *cmd_params;
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPNI_CMDID_ENABLE_VLAN_FILTER,
cmd_flags,
token);
cmd_params = (struct dpni_cmd_enable_vlan_filter *)cmd.params;
dpni_set_field(cmd_params->en, ENABLE, en);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dpni_add_vlan_id() - Add VLAN ID 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
* @vlan_id: VLAN ID to add
* @flags: 0 - tc_id and flow_id will be ignored.
* Pkt with this vlan_id will be passed to the next
* classification stages
* DPNI_VLAN_SET_QUEUE_ACTION
* Pkt with this vlan_id will be forward directly to
* queue defined by the tc_id and flow_id
*
* @tc_id: Traffic class selection (0-7)
* @flow_id: Selects the specific queue out of the set allocated for the
* same as tc_id. Value must be in range 0 to NUM_QUEUES - 1
*
* Return: '0' on Success; Error code otherwise.
*/
int dpni_add_vlan_id(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
uint16_t vlan_id,
uint8_t flags,
uint8_t tc_id,
uint8_t flow_id)
{
struct dpni_cmd_vlan_id *cmd_params;
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPNI_CMDID_ADD_VLAN_ID,
cmd_flags,
token);
cmd_params = (struct dpni_cmd_vlan_id *)cmd.params;
cmd_params->flags = flags;
cmd_params->tc_id = tc_id;
cmd_params->flow_id = flow_id;
cmd_params->vlan_id = cpu_to_le16(vlan_id);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dpni_remove_vlan_id() - Remove VLAN ID 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
* @vlan_id: VLAN ID to remove
*
* Return: '0' on Success; Error code otherwise.
*/
int dpni_remove_vlan_id(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
uint16_t vlan_id)
{
struct dpni_cmd_vlan_id *cmd_params;
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPNI_CMDID_REMOVE_VLAN_ID,
cmd_flags,
token);
cmd_params = (struct dpni_cmd_vlan_id *)cmd.params;
cmd_params->vlan_id = cpu_to_le16(vlan_id);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dpni_clear_vlan_filters() - Clear all VLAN 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
*
* Return: '0' on Success; Error code otherwise.
*/
int dpni_clear_vlan_filters(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_CLR_VLAN_FILTERS,
cmd_flags,
token);
/* 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 dpkg_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,
uint32_t cmd_flags,
uint16_t token,
uint8_t tc_id,
const struct dpni_rx_tc_dist_cfg *cfg)
{
struct 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;
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);
dpni_set_field(cmd_params->flags,
DIST_MODE,
cfg->dist_mode);
dpni_set_field(cmd_params->flags,
MISS_ACTION,
cfg->fs_cfg.miss_action);
dpni_set_field(cmd_params->keep_hash_key,
KEEP_HASH_KEY,
cfg->fs_cfg.keep_hash_key);
dpni_set_field(cmd_params->keep_hash_key,
KEEP_ENTRIES,
cfg->fs_cfg.keep_entries);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dpni_set_tx_confirmation_mode() - Tx confirmation 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
* @mode: Tx confirmation mode
*
* This function is useful only when 'DPNI_OPT_TX_CONF_DISABLED' is not
* selected at DPNI creation.
* Calling this function with 'mode' set to DPNI_CONF_DISABLE disables all
* transmit confirmation (including the private confirmation queues), regardless
* of previous settings; Note that in this case, Tx error frames are still
* enqueued to the general transmit errors queue.
* Calling this function with 'mode' set to DPNI_CONF_SINGLE switches all
* Tx confirmations to a shared Tx conf queue. 'index' field in dpni_get_queue
* command will be ignored.
*
* Return: '0' on Success; Error code otherwise.
*/
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);
}
/**
* dpni_set_qos_table() - Set QoS mapping table
* @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: QoS table configuration
*
* This function and all QoS-related functions require that
*'max_tcs > 1' was set at DPNI creation.
*
* warning: Before calling this function, call dpkg_prepare_key_cfg() to
* prepare the key_cfg_iova parameter
*
* Return: '0' on Success; Error code otherwise.
*/
int dpni_set_qos_table(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
const struct dpni_qos_tbl_cfg *cfg)
{
struct dpni_cmd_set_qos_table *cmd_params;
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_QOS_TBL,
cmd_flags,
token);
cmd_params = (struct dpni_cmd_set_qos_table *)cmd.params;
cmd_params->default_tc = cfg->default_tc;
cmd_params->key_cfg_iova = cpu_to_le64(cfg->key_cfg_iova);
dpni_set_field(cmd_params->discard_on_miss,
ENABLE,
cfg->discard_on_miss);
dpni_set_field(cmd_params->discard_on_miss,
KEEP_QOS_ENTRIES,
cfg->keep_entries);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dpni_add_qos_entry() - Add QoS mapping entry (to select a traffic class)
* @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: QoS rule to add
* @tc_id: Traffic class selection (0-7)
* @index: Location in the QoS table where to insert the entry.
* Only relevant if MASKING is enabled for QoS classification on
* this DPNI, it is ignored for exact match.
*
* Return: '0' on Success; Error code otherwise.
*/
int dpni_add_qos_entry(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
const struct dpni_rule_cfg *cfg,
uint8_t tc_id,
uint16_t index,
uint8_t flags,
uint8_t flow_id)
{
struct dpni_cmd_add_qos_entry *cmd_params;
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPNI_CMDID_ADD_QOS_ENT,
cmd_flags,
token);
cmd_params = (struct dpni_cmd_add_qos_entry *)cmd.params;
cmd_params->flags = flags;
cmd_params->flow_id = flow_id;
cmd_params->tc_id = tc_id;
cmd_params->key_size = cfg->key_size;
cmd_params->index = cpu_to_le16(index);
cmd_params->key_iova = cpu_to_le64(cfg->key_iova);
cmd_params->mask_iova = cpu_to_le64(cfg->mask_iova);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dpni_remove_qos_entry() - Remove QoS mapping entry
* @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: QoS rule to remove
*
* Return: '0' on Success; Error code otherwise.
*/
int dpni_remove_qos_entry(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
const struct dpni_rule_cfg *cfg)
{
struct dpni_cmd_remove_qos_entry *cmd_params;
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPNI_CMDID_REMOVE_QOS_ENT,
cmd_flags,
token);
cmd_params = (struct dpni_cmd_remove_qos_entry *)cmd.params;
cmd_params->key_size = cfg->key_size;
cmd_params->key_iova = cpu_to_le64(cfg->key_iova);
cmd_params->mask_iova = cpu_to_le64(cfg->mask_iova);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dpni_clear_qos_table() - Clear all QoS mapping entries
* @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
*
* Following this function call, all frames are directed to
* the default traffic class (0)
*
* Return: '0' on Success; Error code otherwise.
*/
int dpni_clear_qos_table(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_CLR_QOS_TBL,
cmd_flags,
token);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dpni_add_fs_entry() - Add Flow Steering entry for a specific traffic class
* (to select a flow ID)
* @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)
* @index: Location in the QoS table where to insert the entry.
* Only relevant if MASKING is enabled for QoS classification
* on this DPNI, it is ignored for exact match.
* @cfg: Flow steering rule to add
* @action: Action to be taken as result of a classification hit
*
* Return: '0' on Success; Error code otherwise.
*/
int dpni_add_fs_entry(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
uint8_t tc_id,
uint16_t index,
const struct dpni_rule_cfg *cfg,
const struct dpni_fs_action_cfg *action)
{
struct dpni_cmd_add_fs_entry *cmd_params;
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPNI_CMDID_ADD_FS_ENT,
cmd_flags,
token);
cmd_params = (struct dpni_cmd_add_fs_entry *)cmd.params;
cmd_params->tc_id = tc_id;
cmd_params->key_size = cfg->key_size;
cmd_params->index = cpu_to_le16(index);
cmd_params->key_iova = cpu_to_le64(cfg->key_iova);
cmd_params->mask_iova = cpu_to_le64(cfg->mask_iova);
cmd_params->options = cpu_to_le16(action->options);
cmd_params->flow_id = cpu_to_le16(action->flow_id);
cmd_params->flc = cpu_to_le64(action->flc);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dpni_remove_fs_entry() - Remove Flow Steering entry from a specific
* traffic class
* @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: Flow steering rule to remove
*
* Return: '0' on Success; Error code otherwise.
*/
int dpni_remove_fs_entry(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
uint8_t tc_id,
const struct dpni_rule_cfg *cfg)
{
struct dpni_cmd_remove_fs_entry *cmd_params;
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPNI_CMDID_REMOVE_FS_ENT,
cmd_flags,
token);
cmd_params = (struct dpni_cmd_remove_fs_entry *)cmd.params;
cmd_params->tc_id = tc_id;
cmd_params->key_size = cfg->key_size;
cmd_params->key_iova = cpu_to_le64(cfg->key_iova);
cmd_params->mask_iova = cpu_to_le64(cfg->mask_iova);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dpni_clear_fs_entries() - Clear all Flow Steering entries of a specific
* traffic class
* @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)
*
* Return: '0' on Success; Error code otherwise.
*/
int dpni_clear_fs_entries(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
uint8_t tc_id)
{
struct dpni_cmd_clear_fs_entries *cmd_params;
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPNI_CMDID_CLR_FS_ENT,
cmd_flags,
token);
cmd_params = (struct dpni_cmd_clear_fs_entries *)cmd.params;
cmd_params->tc_id = tc_id;
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dpni_set_congestion_notification() - Set traffic class congestion
* notification 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 - Rx, Tx and Tx confirm types are supported
* @tc_id: Traffic class selection (0-7)
* @cfg: congestion notification configuration
*
* Return: '0' on Success; error code otherwise.
*/
int dpni_set_congestion_notification(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
enum dpni_queue_type qtype,
uint8_t tc_id,
const struct dpni_congestion_notification_cfg *cfg)
{
struct dpni_cmd_set_congestion_notification *cmd_params;
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(
DPNI_CMDID_SET_CONGESTION_NOTIFICATION,
cmd_flags,
token);
cmd_params = (struct dpni_cmd_set_congestion_notification *)cmd.params;
cmd_params->qtype = qtype;
cmd_params->tc = tc_id;
cmd_params->congestion_point = cfg->cg_point;
cmd_params->cgid = (uint8_t)cfg->cgid;
cmd_params->dest_id = cpu_to_le32(cfg->dest_cfg.dest_id);
cmd_params->notification_mode = cpu_to_le16(cfg->notification_mode);
cmd_params->dest_priority = cfg->dest_cfg.priority;
cmd_params->message_iova = cpu_to_le64(cfg->message_iova);
cmd_params->message_ctx = cpu_to_le64(cfg->message_ctx);
cmd_params->threshold_entry = cpu_to_le32(cfg->threshold_entry);
cmd_params->threshold_exit = cpu_to_le32(cfg->threshold_exit);
dpni_set_field(cmd_params->type_units,
DEST_TYPE,
cfg->dest_cfg.dest_type);
dpni_set_field(cmd_params->type_units,
CONG_UNITS,
cfg->units);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dpni_get_congestion_notification() - Get traffic class congestion
* notification 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 - Rx, Tx and Tx confirm types are supported
* @tc_id: Traffic class selection (0-7)
* @cfg: congestion notification configuration
*
* Return: '0' on Success; error code otherwise.
*/
int dpni_get_congestion_notification(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
enum dpni_queue_type qtype,
uint8_t tc_id,
struct dpni_congestion_notification_cfg *cfg)
{
struct dpni_rsp_get_congestion_notification *rsp_params;
struct dpni_cmd_get_congestion_notification *cmd_params;
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(
DPNI_CMDID_GET_CONGESTION_NOTIFICATION,
cmd_flags,
token);
cmd_params = (struct dpni_cmd_get_congestion_notification *)cmd.params;
cmd_params->qtype = qtype;
cmd_params->tc = tc_id;
cmd_params->congestion_point = cfg->cg_point;
cmd_params->cgid = cfg->cgid;
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
rsp_params = (struct dpni_rsp_get_congestion_notification *)cmd.params;
cfg->units = dpni_get_field(rsp_params->type_units, CONG_UNITS);
cfg->threshold_entry = le32_to_cpu(rsp_params->threshold_entry);
cfg->threshold_exit = le32_to_cpu(rsp_params->threshold_exit);
cfg->message_ctx = le64_to_cpu(rsp_params->message_ctx);
cfg->message_iova = le64_to_cpu(rsp_params->message_iova);
cfg->notification_mode = le16_to_cpu(rsp_params->notification_mode);
cfg->dest_cfg.dest_id = le32_to_cpu(rsp_params->dest_id);
cfg->dest_cfg.priority = rsp_params->dest_priority;
cfg->dest_cfg.dest_type = dpni_get_field(rsp_params->type_units,
DEST_TYPE);
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,
uint32_t cmd_flags,
uint16_t *major_ver,
uint16_t *minor_ver)
{
struct dpni_rsp_get_api_version *rsp_params;
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;
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;
}
/**
* 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,
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 };
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);
cmd_params->cgid = queue->cgid;
/* 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,
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 };
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);
if (dpni_get_field(rsp_params->flags, CGID_VALID))
queue->cgid = rsp_params->cgid;
else
queue->cgid = -1;
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 6.
* @param: Custom parameter for some pages used to select
* a certain statistic source, for example the TC.
* @stat: Structure containing the statistics
*
* Return: '0' on Success; Error code otherwise.
*/
int dpni_get_statistics(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
uint8_t page,
uint16_t param,
union dpni_statistics *stat)
{
struct 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;
cmd_params->param = param;
/* 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_reset_statistics() - Clears 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
*
* Return: '0' on Success; Error code otherwise.
*/
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);
}
/**
* dpni_set_taildrop() - Set taildrop per queue or TC
*
* Setting a per-TC taildrop (cg_point = DPNI_CP_GROUP) will reset any current
* congestion notification or early drop (WRED) configuration previously applied
* to the same 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, DPNI_CP_QUEUE is only supported in
* combination with DPNI_QUEUE_RX.
* @q_type: Queue type, can be DPNI_QUEUE_RX or DPNI_QUEUE_TX.
* @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 DPNI_CP_QUEUE.
* @taildrop: Taildrop structure
*
* Return: '0' on Success; Error code otherwise.
*/
int dpni_set_taildrop(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
enum dpni_congestion_point cg_point,
enum dpni_queue_type qtype,
uint8_t tc,
uint8_t index,
struct dpni_taildrop *taildrop)
{
struct 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;
cmd_params->units = taildrop->units;
cmd_params->threshold = cpu_to_le32(taildrop->threshold);
dpni_set_field(cmd_params->enable_oal_lo, ENABLE, taildrop->enable);
dpni_set_field(cmd_params->enable_oal_lo, OAL_LO, taildrop->oal);
dpni_set_field(cmd_params->oal_hi,
OAL_HI,
taildrop->oal >> DPNI_OAL_LO_SIZE);
/* 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,
uint32_t cmd_flags,
uint16_t token,
enum dpni_congestion_point cg_point,
enum dpni_queue_type qtype,
uint8_t tc,
uint8_t index,
struct dpni_taildrop *taildrop)
{
struct mc_command cmd = { 0 };
struct dpni_cmd_get_taildrop *cmd_params;
struct dpni_rsp_get_taildrop *rsp_params;
uint8_t oal_lo, oal_hi;
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_oal_lo, ENABLE);
taildrop->units = rsp_params->units;
taildrop->threshold = le32_to_cpu(rsp_params->threshold);
oal_lo = dpni_get_field(rsp_params->enable_oal_lo, OAL_LO);
oal_hi = dpni_get_field(rsp_params->oal_hi, OAL_HI);
taildrop->oal = oal_hi << DPNI_OAL_LO_SIZE | oal_lo;
/* Fill the first 4 bits, 'oal' is a 2's complement value of 12 bits */
if (taildrop->oal >= 0x0800)
taildrop->oal |= 0xF000;
return 0;
}
/**
* dpni_set_opr() - Set Order Restoration 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: 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: Configuration mode options
* can be OPR_OPT_CREATE or OPR_OPT_RETIRE
* @cfg: Configuration options for the OPR
*
* Return: '0' on Success; Error code otherwise.
*/
int dpni_set_opr(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
uint8_t tc,
uint8_t index,
uint8_t options,
struct opr_cfg *cfg)
{
struct dpni_cmd_set_opr *cmd_params;
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(
DPNI_CMDID_SET_OPR,
cmd_flags,
token);
cmd_params = (struct dpni_cmd_set_opr *)cmd.params;
cmd_params->tc_id = tc;
cmd_params->index = index;
cmd_params->options = options;
cmd_params->oloe = cfg->oloe;
cmd_params->oeane = cfg->oeane;
cmd_params->olws = cfg->olws;
cmd_params->oa = cfg->oa;
cmd_params->oprrws = cfg->oprrws;
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dpni_get_opr() - Retrieve Order Restoration config and query.
* @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: 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
* @cfg: Returned OPR configuration
* @qry: Returned OPR query
*
* Return: '0' on Success; Error code otherwise.
*/
int dpni_get_opr(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
uint8_t tc,
uint8_t index,
struct opr_cfg *cfg,
struct opr_qry *qry)
{
struct dpni_rsp_get_opr *rsp_params;
struct dpni_cmd_get_opr *cmd_params;
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_OPR,
cmd_flags,
token);
cmd_params = (struct dpni_cmd_get_opr *)cmd.params;
cmd_params->index = index;
cmd_params->tc_id = tc;
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* retrieve response parameters */
rsp_params = (struct dpni_rsp_get_opr *)cmd.params;
cfg->oloe = rsp_params->oloe;
cfg->oeane = rsp_params->oeane;
cfg->olws = rsp_params->olws;
cfg->oa = rsp_params->oa;
cfg->oprrws = rsp_params->oprrws;
qry->rip = dpni_get_field(rsp_params->flags, RIP);
qry->enable = dpni_get_field(rsp_params->flags, OPR_ENABLE);
qry->nesn = le16_to_cpu(rsp_params->nesn);
qry->ndsn = le16_to_cpu(rsp_params->ndsn);
qry->ea_tseq = le16_to_cpu(rsp_params->ea_tseq);
qry->tseq_nlis = dpni_get_field(rsp_params->tseq_nlis, TSEQ_NLIS);
qry->ea_hseq = le16_to_cpu(rsp_params->ea_hseq);
qry->hseq_nlis = dpni_get_field(rsp_params->hseq_nlis, HSEQ_NLIS);
qry->ea_hptr = le16_to_cpu(rsp_params->ea_hptr);
qry->ea_tptr = le16_to_cpu(rsp_params->ea_tptr);
qry->opr_vid = le16_to_cpu(rsp_params->opr_vid);
qry->opr_id = le16_to_cpu(rsp_params->opr_id);
return 0;
}
/**
* dpni_set_rx_fs_dist() - Set Rx traffic class FS distribution
* @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: Distribution configuration
* If the FS is already enabled with a previous call the classification
* key will be changed but all the table rules are kept. If the
* existing rules do not match the key the results will not be
* predictable. It is the user responsibility to keep key integrity
* If cfg.enable is set to 1 the command will create a flow steering table
* and will classify packets according to this table. The packets
* that miss all the table rules will be classified according to
* settings made in dpni_set_rx_hash_dist()
* If cfg.enable is set to 0 the command will clear flow steering table. The
* packets will be classified according to settings made in
* dpni_set_rx_hash_dist()
*/
int dpni_set_rx_fs_dist(struct fsl_mc_io *mc_io, uint32_t cmd_flags,
uint16_t token, const struct dpni_rx_dist_cfg *cfg)
{
struct dpni_cmd_set_rx_fs_dist *cmd_params;
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_RX_FS_DIST,
cmd_flags,
token);
cmd_params = (struct dpni_cmd_set_rx_fs_dist *)cmd.params;
cmd_params->dist_size = cpu_to_le16(cfg->dist_size);
dpni_set_field(cmd_params->enable, RX_FS_DIST_ENABLE, cfg->enable);
cmd_params->tc = cfg->tc;
cmd_params->miss_flow_id = cpu_to_le16(cfg->fs_miss_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_rx_hash_dist() - Set Rx traffic class HASH distribution
* @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: Distribution configuration
* If cfg.enable is set to 1 the packets will be classified using a hash
* function based on the key received in cfg.key_cfg_iova parameter
* If cfg.enable is set to 0 the packets will be sent to the queue configured in
* dpni_set_rx_dist_default_queue() call
*/
int dpni_set_rx_hash_dist(struct fsl_mc_io *mc_io, uint32_t cmd_flags,
uint16_t token, const struct dpni_rx_dist_cfg *cfg)
{
struct dpni_cmd_set_rx_hash_dist *cmd_params;
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_RX_HASH_DIST,
cmd_flags,
token);
cmd_params = (struct dpni_cmd_set_rx_hash_dist *)cmd.params;
cmd_params->dist_size = cpu_to_le16(cfg->dist_size);
dpni_set_field(cmd_params->enable, RX_FS_DIST_ENABLE, cfg->enable);
cmd_params->tc_id = cfg->tc;
cmd_params->key_cfg_iova = cpu_to_le64(cfg->key_cfg_iova);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dpni_add_custom_tpid() - Configures a distinct Ethertype value
* (or TPID value) to indicate VLAN tag in addition to the common
* TPID values 0x8100 and 0x88A8
* @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
* @tpid: New value for TPID
*
* Only two custom values are accepted. If the function is called for the third
* time it will return error.
* To replace an existing value use dpni_remove_custom_tpid() to remove
* a previous TPID and after that use again the function.
*
* Return: '0' on Success; Error code otherwise.
*/
int dpni_add_custom_tpid(struct fsl_mc_io *mc_io, uint32_t cmd_flags,
uint16_t token, uint16_t tpid)
{
struct dpni_cmd_add_custom_tpid *cmd_params;
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPNI_CMDID_ADD_CUSTOM_TPID,
cmd_flags,
token);
cmd_params = (struct dpni_cmd_add_custom_tpid *)cmd.params;
cmd_params->tpid = cpu_to_le16(tpid);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dpni_remove_custom_tpid() - Removes a distinct Ethertype value added
* previously with dpni_add_custom_tpid()
* @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
* @tpid: New value for TPID
*
* Use this function when a TPID value added with dpni_add_custom_tpid() needs
* to be replaced.
*
* Return: '0' on Success; Error code otherwise.
*/
int dpni_remove_custom_tpid(struct fsl_mc_io *mc_io, uint32_t cmd_flags,
uint16_t token, uint16_t tpid)
{
struct dpni_cmd_remove_custom_tpid *cmd_params;
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPNI_CMDID_REMOVE_CUSTOM_TPID,
cmd_flags,
token);
cmd_params = (struct dpni_cmd_remove_custom_tpid *)cmd.params;
cmd_params->tpid = cpu_to_le16(tpid);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dpni_get_custom_tpid() - Returns custom TPID (vlan tags) values configured
* to detect 802.1q 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
* @tpid: TPID values. Only nonzero members of the structure are valid.
*
* Return: '0' on Success; Error code otherwise.
*/
int dpni_get_custom_tpid(struct fsl_mc_io *mc_io, uint32_t cmd_flags,
uint16_t token, struct dpni_custom_tpid_cfg *tpid)
{
struct dpni_rsp_get_custom_tpid *rsp_params;
struct mc_command cmd = { 0 };
int err;
/* prepare command */
cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_CUSTOM_TPID,
cmd_flags,
token);
/* send command to mc*/
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
/* read command response */
rsp_params = (struct dpni_rsp_get_custom_tpid *)cmd.params;
tpid->tpid1 = le16_to_cpu(rsp_params->tpid1);
tpid->tpid2 = le16_to_cpu(rsp_params->tpid2);
return err;
}
int dpni_load_sw_sequence(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
struct dpni_load_ss_cfg *cfg)
{
struct dpni_load_sw_sequence *cmd_params;
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPNI_CMDID_LOAD_SW_SEQUENCE,
cmd_flags,
token);
cmd_params = (struct dpni_load_sw_sequence *)cmd.params;
cmd_params->dest = cfg->dest;
cmd_params->ss_offset = cpu_to_le16(cfg->ss_offset);
cmd_params->ss_size = cpu_to_le16(cfg->ss_size);
cmd_params->ss_iova = cpu_to_le64(cfg->ss_iova);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
int dpni_enable_sw_sequence(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
struct dpni_enable_ss_cfg *cfg)
{
struct dpni_enable_sw_sequence *cmd_params;
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPNI_CMDID_ENABLE_SW_SEQUENCE,
cmd_flags,
token);
cmd_params = (struct dpni_enable_sw_sequence *)cmd.params;
cmd_params->dest = cfg->dest;
cmd_params->set_start = cfg->set_start;
cmd_params->hxs = cpu_to_le16(cfg->hxs);
cmd_params->ss_offset = cpu_to_le16(cfg->ss_offset);
cmd_params->param_offset = cfg->param_offset;
cmd_params->param_size = cfg->param_size;
cmd_params->param_iova = cpu_to_le64(cfg->param_iova);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dpni_get_sw_sequence_layout() - Get the soft sequence layout
* @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
* @src: Source of the layout (WRIOP Rx or Tx)
* @ss_layout_iova: I/O virtual address of 264 bytes DMA-able memory
*
* warning: After calling this function, call dpni_extract_sw_sequence_layout()
* to get the layout.
*
* Return: '0' on Success; error code otherwise.
*/
int dpni_get_sw_sequence_layout(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
enum dpni_soft_sequence_dest src,
uint64_t ss_layout_iova)
{
struct dpni_get_sw_sequence_layout *cmd_params;
struct mc_command cmd = { 0 };
/* prepare command */
cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_SW_SEQUENCE_LAYOUT,
cmd_flags,
token);
cmd_params = (struct dpni_get_sw_sequence_layout *)cmd.params;
cmd_params->src = src;
cmd_params->layout_iova = cpu_to_le64(ss_layout_iova);
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
/**
* dpni_extract_sw_sequence_layout() - extract the software sequence layout
* @layout: software sequence layout
* @sw_sequence_layout_buf: Zeroed 264 bytes of memory before mapping it
* to DMA
*
* This function has to be called after dpni_get_sw_sequence_layout
*
*/
void dpni_extract_sw_sequence_layout(struct dpni_sw_sequence_layout *layout,
const uint8_t *sw_sequence_layout_buf)
{
const struct dpni_sw_sequence_layout_entry *ext_params;
int i;
uint16_t ss_size, ss_offset;
ext_params = (const struct dpni_sw_sequence_layout_entry *)
sw_sequence_layout_buf;
for (i = 0; i < DPNI_SW_SEQUENCE_LAYOUT_SIZE; i++) {
ss_offset = le16_to_cpu(ext_params[i].ss_offset);
ss_size = le16_to_cpu(ext_params[i].ss_size);
if (ss_offset == 0 && ss_size == 0) {
layout->num_ss = i;
return;
}
layout->ss[i].ss_offset = ss_offset;
layout->ss[i].ss_size = ss_size;
layout->ss[i].param_offset = ext_params[i].param_offset;
layout->ss[i].param_size = ext_params[i].param_size;
}
}