// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* Copyright 2013-2016 Freescale Semiconductor Inc. * Copyright 2016 NXP * Copyright 2020 NXP */ #include #include #include #include "dpni.h" #include "dpni-cmd.h" /** * dpni_prepare_key_cfg() - function prepare extract parameters * @cfg: defining a full Key Generation profile (rule) * @key_cfg_buf: Zeroed 256 bytes of memory before mapping it to DMA * * This function has to be called before the following functions: * - dpni_set_rx_tc_dist() * - dpni_set_qos_table() */ int dpni_prepare_key_cfg(const struct dpkg_profile_cfg *cfg, u8 *key_cfg_buf) { int i, j; struct dpni_ext_set_rx_tc_dist *dpni_ext; struct dpni_dist_extract *extr; if (cfg->num_extracts > DPKG_MAX_NUM_OF_EXTRACTS) return -EINVAL; dpni_ext = (struct dpni_ext_set_rx_tc_dist *)key_cfg_buf; dpni_ext->num_extracts = cfg->num_extracts; for (i = 0; i < cfg->num_extracts; i++) { extr = &dpni_ext->extracts[i]; switch (cfg->extracts[i].type) { case DPKG_EXTRACT_FROM_HDR: extr->prot = cfg->extracts[i].extract.from_hdr.prot; dpni_set_field(extr->efh_type, EFH_TYPE, cfg->extracts[i].extract.from_hdr.type); extr->size = cfg->extracts[i].extract.from_hdr.size; extr->offset = cfg->extracts[i].extract.from_hdr.offset; extr->field = cpu_to_le32( cfg->extracts[i].extract.from_hdr.field); extr->hdr_index = cfg->extracts[i].extract.from_hdr.hdr_index; break; case DPKG_EXTRACT_FROM_DATA: extr->size = cfg->extracts[i].extract.from_data.size; extr->offset = cfg->extracts[i].extract.from_data.offset; break; case DPKG_EXTRACT_FROM_PARSE: extr->size = cfg->extracts[i].extract.from_parse.size; extr->offset = cfg->extracts[i].extract.from_parse.offset; break; default: return -EINVAL; } extr->num_of_byte_masks = cfg->extracts[i].num_of_byte_masks; dpni_set_field(extr->extract_type, EXTRACT_TYPE, cfg->extracts[i].type); for (j = 0; j < DPKG_NUM_OF_MASKS; j++) { extr->masks[j].mask = cfg->extracts[i].masks[j].mask; extr->masks[j].offset = cfg->extracts[i].masks[j].offset; } } return 0; } /** * dpni_open() - Open a control session for the specified object * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @dpni_id: DPNI unique ID * @token: Returned token; use in subsequent API calls * * This function can be used to open a control session for an * already created object; an object may have been declared in * the DPL or by calling the dpni_create() function. * This function returns a unique authentication token, * associated with the specific object ID and the specific MC * portal; this token must be used in all subsequent commands for * this specific object. * * Return: '0' on Success; Error code otherwise. */ int dpni_open(struct fsl_mc_io *mc_io, u32 cmd_flags, int dpni_id, u16 *token) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_open *cmd_params; int err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_OPEN, cmd_flags, 0); cmd_params = (struct dpni_cmd_open *)cmd.params; cmd_params->dpni_id = cpu_to_le32(dpni_id); /* send command to mc*/ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ *token = mc_cmd_hdr_read_token(&cmd); return 0; } /** * dpni_close() - Close the control session of the object * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * * After this function is called, no further operations are * allowed on the object without opening a new control session. * * Return: '0' on Success; Error code otherwise. */ int dpni_close(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token) { struct fsl_mc_command cmd = { 0 }; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_CLOSE, cmd_flags, token); /* send command to mc*/ return mc_send_command(mc_io, &cmd); } /** * dpni_set_pools() - Set buffer pools configuration * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @cfg: Buffer pools configuration * * mandatory for DPNI operation * warning:Allowed only when DPNI is disabled * * Return: '0' on Success; Error code otherwise. */ int dpni_set_pools(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, const struct dpni_pools_cfg *cfg) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_set_pools *cmd_params; int i; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_POOLS, cmd_flags, token); cmd_params = (struct dpni_cmd_set_pools *)cmd.params; cmd_params->num_dpbp = cfg->num_dpbp; for (i = 0; i < DPNI_MAX_DPBP; i++) { cmd_params->dpbp_id[i] = cpu_to_le32(cfg->pools[i].dpbp_id); cmd_params->buffer_size[i] = cpu_to_le16(cfg->pools[i].buffer_size); cmd_params->backup_pool_mask |= DPNI_BACKUP_POOL(cfg->pools[i].backup_pool, i); } /* send command to mc*/ return mc_send_command(mc_io, &cmd); } /** * dpni_enable() - Enable the DPNI, allow sending and receiving frames. * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * * Return: '0' on Success; Error code otherwise. */ int dpni_enable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token) { struct fsl_mc_command cmd = { 0 }; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_ENABLE, cmd_flags, token); /* send command to mc*/ return mc_send_command(mc_io, &cmd); } /** * dpni_disable() - Disable the DPNI, stop sending and receiving frames. * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * * Return: '0' on Success; Error code otherwise. */ int dpni_disable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token) { struct fsl_mc_command cmd = { 0 }; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_DISABLE, cmd_flags, token); /* send command to mc*/ return mc_send_command(mc_io, &cmd); } /** * dpni_is_enabled() - Check if the DPNI is enabled. * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @en: Returns '1' if object is enabled; '0' otherwise * * Return: '0' on Success; Error code otherwise. */ int dpni_is_enabled(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, int *en) { struct fsl_mc_command cmd = { 0 }; struct dpni_rsp_is_enabled *rsp_params; int err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_IS_ENABLED, cmd_flags, token); /* send command to mc*/ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ rsp_params = (struct dpni_rsp_is_enabled *)cmd.params; *en = dpni_get_field(rsp_params->enabled, ENABLE); return 0; } /** * dpni_reset() - Reset the DPNI, returns the object to initial state. * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * * Return: '0' on Success; Error code otherwise. */ int dpni_reset(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token) { struct fsl_mc_command cmd = { 0 }; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_RESET, cmd_flags, token); /* send command to mc*/ return mc_send_command(mc_io, &cmd); } /** * dpni_set_irq_enable() - Set overall interrupt state. * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @irq_index: The interrupt index to configure * @en: Interrupt state: - enable = 1, disable = 0 * * Allows GPP software to control when interrupts are generated. * Each interrupt can have up to 32 causes. The enable/disable control's the * overall interrupt state. if the interrupt is disabled no causes will cause * an interrupt. * * Return: '0' on Success; Error code otherwise. */ int dpni_set_irq_enable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u8 irq_index, u8 en) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_set_irq_enable *cmd_params; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_IRQ_ENABLE, cmd_flags, token); cmd_params = (struct dpni_cmd_set_irq_enable *)cmd.params; dpni_set_field(cmd_params->enable, ENABLE, en); cmd_params->irq_index = irq_index; /* send command to mc*/ return mc_send_command(mc_io, &cmd); } /** * dpni_get_irq_enable() - Get overall interrupt state * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @irq_index: The interrupt index to configure * @en: Returned interrupt state - enable = 1, disable = 0 * * Return: '0' on Success; Error code otherwise. */ int dpni_get_irq_enable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u8 irq_index, u8 *en) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_get_irq_enable *cmd_params; struct dpni_rsp_get_irq_enable *rsp_params; int err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_IRQ_ENABLE, cmd_flags, token); cmd_params = (struct dpni_cmd_get_irq_enable *)cmd.params; cmd_params->irq_index = irq_index; /* send command to mc*/ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ rsp_params = (struct dpni_rsp_get_irq_enable *)cmd.params; *en = dpni_get_field(rsp_params->enabled, ENABLE); return 0; } /** * dpni_set_irq_mask() - Set interrupt mask. * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @irq_index: The interrupt index to configure * @mask: event mask to trigger interrupt; * each bit: * 0 = ignore event * 1 = consider event for asserting IRQ * * Every interrupt can have up to 32 causes and the interrupt model supports * masking/unmasking each cause independently * * Return: '0' on Success; Error code otherwise. */ int dpni_set_irq_mask(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u8 irq_index, u32 mask) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_set_irq_mask *cmd_params; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_IRQ_MASK, cmd_flags, token); cmd_params = (struct dpni_cmd_set_irq_mask *)cmd.params; cmd_params->mask = cpu_to_le32(mask); cmd_params->irq_index = irq_index; /* send command to mc*/ return mc_send_command(mc_io, &cmd); } /** * dpni_get_irq_mask() - Get interrupt mask. * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @irq_index: The interrupt index to configure * @mask: Returned event mask to trigger interrupt * * Every interrupt can have up to 32 causes and the interrupt model supports * masking/unmasking each cause independently * * Return: '0' on Success; Error code otherwise. */ int dpni_get_irq_mask(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u8 irq_index, u32 *mask) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_get_irq_mask *cmd_params; struct dpni_rsp_get_irq_mask *rsp_params; int err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_IRQ_MASK, cmd_flags, token); cmd_params = (struct dpni_cmd_get_irq_mask *)cmd.params; cmd_params->irq_index = irq_index; /* send command to mc*/ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ rsp_params = (struct dpni_rsp_get_irq_mask *)cmd.params; *mask = le32_to_cpu(rsp_params->mask); return 0; } /** * dpni_get_irq_status() - Get the current status of any pending interrupts. * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @irq_index: The interrupt index to configure * @status: Returned interrupts status - one bit per cause: * 0 = no interrupt pending * 1 = interrupt pending * * Return: '0' on Success; Error code otherwise. */ int dpni_get_irq_status(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u8 irq_index, u32 *status) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_get_irq_status *cmd_params; struct dpni_rsp_get_irq_status *rsp_params; int err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_IRQ_STATUS, cmd_flags, token); cmd_params = (struct dpni_cmd_get_irq_status *)cmd.params; cmd_params->status = cpu_to_le32(*status); cmd_params->irq_index = irq_index; /* send command to mc*/ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ rsp_params = (struct dpni_rsp_get_irq_status *)cmd.params; *status = le32_to_cpu(rsp_params->status); return 0; } /** * dpni_clear_irq_status() - Clear a pending interrupt's status * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @irq_index: The interrupt index to configure * @status: bits to clear (W1C) - one bit per cause: * 0 = don't change * 1 = clear status bit * * Return: '0' on Success; Error code otherwise. */ int dpni_clear_irq_status(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u8 irq_index, u32 status) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_clear_irq_status *cmd_params; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_CLEAR_IRQ_STATUS, cmd_flags, token); cmd_params = (struct dpni_cmd_clear_irq_status *)cmd.params; cmd_params->irq_index = irq_index; cmd_params->status = cpu_to_le32(status); /* send command to mc*/ return mc_send_command(mc_io, &cmd); } /** * dpni_get_attributes() - Retrieve DPNI attributes. * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @attr: Object's attributes * * Return: '0' on Success; Error code otherwise. */ int dpni_get_attributes(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, struct dpni_attr *attr) { struct fsl_mc_command cmd = { 0 }; struct dpni_rsp_get_attr *rsp_params; int err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_ATTR, cmd_flags, token); /* send command to mc*/ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ rsp_params = (struct dpni_rsp_get_attr *)cmd.params; attr->options = le32_to_cpu(rsp_params->options); attr->num_queues = rsp_params->num_queues; attr->num_tcs = rsp_params->num_tcs; attr->mac_filter_entries = rsp_params->mac_filter_entries; attr->vlan_filter_entries = rsp_params->vlan_filter_entries; attr->qos_entries = rsp_params->qos_entries; attr->fs_entries = le16_to_cpu(rsp_params->fs_entries); attr->qos_key_size = rsp_params->qos_key_size; attr->fs_key_size = rsp_params->fs_key_size; attr->wriop_version = le16_to_cpu(rsp_params->wriop_version); return 0; } /** * dpni_set_errors_behavior() - Set errors behavior * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @cfg: Errors configuration * * this function may be called numerous times with different * error masks * * Return: '0' on Success; Error code otherwise. */ int dpni_set_errors_behavior(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, struct dpni_error_cfg *cfg) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_set_errors_behavior *cmd_params; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_ERRORS_BEHAVIOR, cmd_flags, token); cmd_params = (struct dpni_cmd_set_errors_behavior *)cmd.params; cmd_params->errors = cpu_to_le32(cfg->errors); dpni_set_field(cmd_params->flags, ERROR_ACTION, cfg->error_action); dpni_set_field(cmd_params->flags, FRAME_ANN, cfg->set_frame_annotation); /* send command to mc*/ return mc_send_command(mc_io, &cmd); } /** * dpni_get_buffer_layout() - Retrieve buffer layout attributes. * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @qtype: Type of queue to retrieve configuration for * @layout: Returns buffer layout attributes * * Return: '0' on Success; Error code otherwise. */ int dpni_get_buffer_layout(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, enum dpni_queue_type qtype, struct dpni_buffer_layout *layout) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_get_buffer_layout *cmd_params; struct dpni_rsp_get_buffer_layout *rsp_params; int err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_BUFFER_LAYOUT, cmd_flags, token); cmd_params = (struct dpni_cmd_get_buffer_layout *)cmd.params; cmd_params->qtype = qtype; /* send command to mc*/ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ rsp_params = (struct dpni_rsp_get_buffer_layout *)cmd.params; layout->pass_timestamp = dpni_get_field(rsp_params->flags, PASS_TS); layout->pass_parser_result = dpni_get_field(rsp_params->flags, PASS_PR); layout->pass_frame_status = dpni_get_field(rsp_params->flags, PASS_FS); layout->private_data_size = le16_to_cpu(rsp_params->private_data_size); layout->data_align = le16_to_cpu(rsp_params->data_align); layout->data_head_room = le16_to_cpu(rsp_params->head_room); layout->data_tail_room = le16_to_cpu(rsp_params->tail_room); return 0; } /** * dpni_set_buffer_layout() - Set buffer layout configuration. * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @qtype: Type of queue this configuration applies to * @layout: Buffer layout configuration * * Return: '0' on Success; Error code otherwise. * * @warning Allowed only when DPNI is disabled */ int dpni_set_buffer_layout(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, enum dpni_queue_type qtype, const struct dpni_buffer_layout *layout) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_set_buffer_layout *cmd_params; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_BUFFER_LAYOUT, cmd_flags, token); cmd_params = (struct dpni_cmd_set_buffer_layout *)cmd.params; cmd_params->qtype = qtype; cmd_params->options = cpu_to_le16(layout->options); dpni_set_field(cmd_params->flags, PASS_TS, layout->pass_timestamp); dpni_set_field(cmd_params->flags, PASS_PR, layout->pass_parser_result); dpni_set_field(cmd_params->flags, PASS_FS, layout->pass_frame_status); cmd_params->private_data_size = cpu_to_le16(layout->private_data_size); cmd_params->data_align = cpu_to_le16(layout->data_align); cmd_params->head_room = cpu_to_le16(layout->data_head_room); cmd_params->tail_room = cpu_to_le16(layout->data_tail_room); /* send command to mc*/ return mc_send_command(mc_io, &cmd); } /** * dpni_set_offload() - Set DPNI offload configuration. * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @type: Type of DPNI offload * @config: Offload configuration. * For checksum offloads, non-zero value enables the offload * * Return: '0' on Success; Error code otherwise. * * @warning Allowed only when DPNI is disabled */ int dpni_set_offload(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, enum dpni_offload type, u32 config) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_set_offload *cmd_params; cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_OFFLOAD, cmd_flags, token); cmd_params = (struct dpni_cmd_set_offload *)cmd.params; cmd_params->dpni_offload = type; cmd_params->config = cpu_to_le32(config); return mc_send_command(mc_io, &cmd); } int dpni_get_offload(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, enum dpni_offload type, u32 *config) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_get_offload *cmd_params; struct dpni_rsp_get_offload *rsp_params; int err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_OFFLOAD, cmd_flags, token); cmd_params = (struct dpni_cmd_get_offload *)cmd.params; cmd_params->dpni_offload = type; /* send command to mc*/ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ rsp_params = (struct dpni_rsp_get_offload *)cmd.params; *config = le32_to_cpu(rsp_params->config); return 0; } /** * dpni_get_qdid() - Get the Queuing Destination ID (QDID) that should be used * for enqueue operations * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @qtype: Type of queue to receive QDID for * @qdid: Returned virtual QDID value that should be used as an argument * in all enqueue operations * * Return: '0' on Success; Error code otherwise. */ int dpni_get_qdid(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, enum dpni_queue_type qtype, u16 *qdid) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_get_qdid *cmd_params; struct dpni_rsp_get_qdid *rsp_params; int err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_QDID, cmd_flags, token); cmd_params = (struct dpni_cmd_get_qdid *)cmd.params; cmd_params->qtype = qtype; /* send command to mc*/ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ rsp_params = (struct dpni_rsp_get_qdid *)cmd.params; *qdid = le16_to_cpu(rsp_params->qdid); return 0; } /** * dpni_get_tx_data_offset() - Get the Tx data offset (from start of buffer) * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @data_offset: Tx data offset (from start of buffer) * * Return: '0' on Success; Error code otherwise. */ int dpni_get_tx_data_offset(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u16 *data_offset) { struct fsl_mc_command cmd = { 0 }; struct dpni_rsp_get_tx_data_offset *rsp_params; int err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_TX_DATA_OFFSET, cmd_flags, token); /* send command to mc*/ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ rsp_params = (struct dpni_rsp_get_tx_data_offset *)cmd.params; *data_offset = le16_to_cpu(rsp_params->data_offset); return 0; } /** * dpni_set_link_cfg() - set the link configuration. * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @cfg: Link configuration * * Return: '0' on Success; Error code otherwise. */ int dpni_set_link_cfg(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, const struct dpni_link_cfg *cfg) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_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_link_cfg *)cmd.params; cmd_params->rate = cpu_to_le32(cfg->rate); cmd_params->options = cpu_to_le64(cfg->options); /* send command to mc*/ return mc_send_command(mc_io, &cmd); } /** * dpni_get_link_cfg() - return 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 from dpni object * * Return: '0' on Success; Error code otherwise. */ int dpni_get_link_cfg(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, struct dpni_link_cfg *cfg) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_link_cfg *rsp_params; int err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_LINK_CFG, 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_cmd_link_cfg *)cmd.params; cfg->rate = le32_to_cpu(rsp_params->rate); cfg->options = le64_to_cpu(rsp_params->options); return err; } /** * dpni_get_link_state() - Return the link state (either up or down) * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @state: Returned link state; * * Return: '0' on Success; Error code otherwise. */ int dpni_get_link_state(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, struct dpni_link_state *state) { struct fsl_mc_command cmd = { 0 }; struct dpni_rsp_get_link_state *rsp_params; int err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_LINK_STATE, cmd_flags, token); /* send command to mc*/ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ rsp_params = (struct dpni_rsp_get_link_state *)cmd.params; state->up = dpni_get_field(rsp_params->flags, LINK_STATE); state->rate = le32_to_cpu(rsp_params->rate); state->options = le64_to_cpu(rsp_params->options); return 0; } /** * dpni_set_max_frame_length() - Set the maximum received frame length. * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @max_frame_length: Maximum received frame length (in * bytes); frame is discarded if its * length exceeds this value * * Return: '0' on Success; Error code otherwise. */ int dpni_set_max_frame_length(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u16 max_frame_length) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_set_max_frame_length *cmd_params; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_MAX_FRAME_LENGTH, cmd_flags, token); cmd_params = (struct dpni_cmd_set_max_frame_length *)cmd.params; cmd_params->max_frame_length = cpu_to_le16(max_frame_length); /* send command to mc*/ return mc_send_command(mc_io, &cmd); } /** * dpni_get_max_frame_length() - Get the maximum received frame length. * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @max_frame_length: Maximum received frame length (in * bytes); frame is discarded if its * length exceeds this value * * Return: '0' on Success; Error code otherwise. */ int dpni_get_max_frame_length(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u16 *max_frame_length) { struct fsl_mc_command cmd = { 0 }; struct dpni_rsp_get_max_frame_length *rsp_params; int err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_MAX_FRAME_LENGTH, cmd_flags, token); /* send command to mc*/ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ rsp_params = (struct dpni_rsp_get_max_frame_length *)cmd.params; *max_frame_length = le16_to_cpu(rsp_params->max_frame_length); return 0; } /** * dpni_set_multicast_promisc() - Enable/disable multicast promiscuous mode * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @en: Set to '1' to enable; '0' to disable * * Return: '0' on Success; Error code otherwise. */ int dpni_set_multicast_promisc(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, int en) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_set_multicast_promisc *cmd_params; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_MCAST_PROMISC, cmd_flags, token); cmd_params = (struct dpni_cmd_set_multicast_promisc *)cmd.params; dpni_set_field(cmd_params->enable, ENABLE, en); /* send command to mc*/ return mc_send_command(mc_io, &cmd); } /** * dpni_get_multicast_promisc() - Get multicast promiscuous mode * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @en: Returns '1' if enabled; '0' otherwise * * Return: '0' on Success; Error code otherwise. */ int dpni_get_multicast_promisc(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, int *en) { struct fsl_mc_command cmd = { 0 }; struct dpni_rsp_get_multicast_promisc *rsp_params; int err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_MCAST_PROMISC, cmd_flags, token); /* send command to mc*/ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ rsp_params = (struct dpni_rsp_get_multicast_promisc *)cmd.params; *en = dpni_get_field(rsp_params->enabled, ENABLE); return 0; } /** * dpni_set_unicast_promisc() - Enable/disable unicast promiscuous mode * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @en: Set to '1' to enable; '0' to disable * * Return: '0' on Success; Error code otherwise. */ int dpni_set_unicast_promisc(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, int en) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_set_unicast_promisc *cmd_params; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_UNICAST_PROMISC, cmd_flags, token); cmd_params = (struct dpni_cmd_set_unicast_promisc *)cmd.params; dpni_set_field(cmd_params->enable, ENABLE, en); /* send command to mc*/ return mc_send_command(mc_io, &cmd); } /** * dpni_get_unicast_promisc() - Get unicast promiscuous mode * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @en: Returns '1' if enabled; '0' otherwise * * Return: '0' on Success; Error code otherwise. */ int dpni_get_unicast_promisc(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, int *en) { struct fsl_mc_command cmd = { 0 }; struct dpni_rsp_get_unicast_promisc *rsp_params; int err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_UNICAST_PROMISC, cmd_flags, token); /* send command to mc*/ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ rsp_params = (struct dpni_rsp_get_unicast_promisc *)cmd.params; *en = dpni_get_field(rsp_params->enabled, ENABLE); return 0; } /** * dpni_set_primary_mac_addr() - Set the primary MAC address * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @mac_addr: MAC address to set as primary address * * Return: '0' on Success; Error code otherwise. */ int dpni_set_primary_mac_addr(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, const u8 mac_addr[6]) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_set_primary_mac_addr *cmd_params; int i; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_PRIM_MAC, cmd_flags, token); cmd_params = (struct dpni_cmd_set_primary_mac_addr *)cmd.params; for (i = 0; i < 6; i++) cmd_params->mac_addr[i] = mac_addr[5 - i]; /* send command to mc*/ return mc_send_command(mc_io, &cmd); } /** * dpni_get_primary_mac_addr() - Get the primary MAC address * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @mac_addr: Returned MAC address * * Return: '0' on Success; Error code otherwise. */ int dpni_get_primary_mac_addr(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u8 mac_addr[6]) { struct fsl_mc_command cmd = { 0 }; struct dpni_rsp_get_primary_mac_addr *rsp_params; int i, err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_PRIM_MAC, cmd_flags, token); /* send command to mc*/ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ rsp_params = (struct dpni_rsp_get_primary_mac_addr *)cmd.params; for (i = 0; i < 6; i++) mac_addr[5 - i] = rsp_params->mac_addr[i]; return 0; } /** * dpni_get_port_mac_addr() - Retrieve MAC address associated to the physical * port the DPNI is attached to * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @mac_addr: MAC address of the physical port, if any, otherwise 0 * * The primary MAC address is not cleared by this operation. * * Return: '0' on Success; Error code otherwise. */ int dpni_get_port_mac_addr(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u8 mac_addr[6]) { struct fsl_mc_command cmd = { 0 }; struct dpni_rsp_get_port_mac_addr *rsp_params; int i, err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_PORT_MAC_ADDR, cmd_flags, token); /* send command to mc*/ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ rsp_params = (struct dpni_rsp_get_port_mac_addr *)cmd.params; for (i = 0; i < 6; i++) mac_addr[5 - i] = rsp_params->mac_addr[i]; return 0; } /** * dpni_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, u32 cmd_flags, u16 token, u32 en) { struct dpni_cmd_enable_vlan_filter *cmd_params; struct fsl_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, u32 cmd_flags, u16 token, u16 vlan_id, u8 flags, u8 tc_id, u8 flow_id) { struct dpni_cmd_vlan_id *cmd_params; struct fsl_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, u32 cmd_flags, u16 token, u16 vlan_id) { struct dpni_cmd_vlan_id *cmd_params; struct fsl_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_add_mac_addr() - Add MAC address filter * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @mac_addr: MAC address to add * * Return: '0' on Success; Error code otherwise. */ int dpni_add_mac_addr(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, const u8 mac_addr[6]) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_add_mac_addr *cmd_params; int i; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_ADD_MAC_ADDR, cmd_flags, token); cmd_params = (struct dpni_cmd_add_mac_addr *)cmd.params; for (i = 0; i < 6; i++) cmd_params->mac_addr[i] = mac_addr[5 - i]; /* send command to mc*/ return mc_send_command(mc_io, &cmd); } /** * dpni_remove_mac_addr() - Remove MAC address filter * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @mac_addr: MAC address to remove * * Return: '0' on Success; Error code otherwise. */ int dpni_remove_mac_addr(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, const u8 mac_addr[6]) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_remove_mac_addr *cmd_params; int i; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_REMOVE_MAC_ADDR, cmd_flags, token); cmd_params = (struct dpni_cmd_remove_mac_addr *)cmd.params; for (i = 0; i < 6; i++) cmd_params->mac_addr[i] = mac_addr[5 - i]; /* send command to mc*/ return mc_send_command(mc_io, &cmd); } /** * dpni_clear_mac_filters() - Clear all unicast and/or multicast MAC filters * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @unicast: Set to '1' to clear unicast addresses * @multicast: Set to '1' to clear multicast addresses * * The primary MAC address is not cleared by this operation. * * Return: '0' on Success; Error code otherwise. */ int dpni_clear_mac_filters(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, int unicast, int multicast) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_clear_mac_filters *cmd_params; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_CLR_MAC_FILTERS, cmd_flags, token); cmd_params = (struct dpni_cmd_clear_mac_filters *)cmd.params; dpni_set_field(cmd_params->flags, UNICAST_FILTERS, unicast); dpni_set_field(cmd_params->flags, MULTICAST_FILTERS, multicast); /* send command to mc*/ return mc_send_command(mc_io, &cmd); } /** * dpni_set_rx_tc_dist() - Set Rx traffic class distribution configuration * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @tc_id: Traffic class selection (0-7) * @cfg: Traffic class distribution configuration * * warning: if 'dist_mode != DPNI_DIST_MODE_NONE', call dpni_prepare_key_cfg() * first to prepare the key_cfg_iova parameter * * Return: '0' on Success; error code otherwise. */ int dpni_set_rx_tc_dist(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u8 tc_id, const struct dpni_rx_tc_dist_cfg *cfg) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_set_rx_tc_dist *cmd_params; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_RX_TC_DIST, cmd_flags, token); cmd_params = (struct dpni_cmd_set_rx_tc_dist *)cmd.params; cmd_params->dist_size = cpu_to_le16(cfg->dist_size); cmd_params->tc_id = tc_id; dpni_set_field(cmd_params->flags, DIST_MODE, cfg->dist_mode); dpni_set_field(cmd_params->flags, MISS_ACTION, cfg->fs_cfg.miss_action); cmd_params->default_flow_id = cpu_to_le16(cfg->fs_cfg.default_flow_id); cmd_params->key_cfg_iova = cpu_to_le64(cfg->key_cfg_iova); /* send command to mc*/ return mc_send_command(mc_io, &cmd); } /** * dpni_set_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, u32 cmd_flags, u16 token, enum dpni_queue_type qtype, u8 tc_id, const struct dpni_congestion_notification_cfg *cfg) { struct dpni_cmd_set_congestion_notification *cmd_params; struct fsl_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->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; 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); 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); /* send command to mc*/ return mc_send_command(mc_io, &cmd); } /** * dpni_set_queue() - Set queue parameters * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @qtype: Type of queue - all queue types are supported, although * the command is ignored for Tx * @tc: Traffic class, in range 0 to NUM_TCS - 1 * @index: Selects the specific queue out of the set allocated for the * same TC. Value must be in range 0 to NUM_QUEUES - 1 * @options: A combination of DPNI_QUEUE_OPT_ values that control what * configuration options are set on the queue * @queue: Queue structure * * Return: '0' on Success; Error code otherwise. */ int dpni_set_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, enum dpni_queue_type qtype, u8 tc, u8 index, u8 options, const struct dpni_queue *queue) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_set_queue *cmd_params; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_QUEUE, cmd_flags, token); cmd_params = (struct dpni_cmd_set_queue *)cmd.params; cmd_params->qtype = qtype; cmd_params->tc = tc; cmd_params->index = index; cmd_params->options = options; cmd_params->dest_id = cpu_to_le32(queue->destination.id); cmd_params->dest_prio = queue->destination.priority; dpni_set_field(cmd_params->flags, DEST_TYPE, queue->destination.type); dpni_set_field(cmd_params->flags, STASH_CTRL, queue->flc.stash_control); dpni_set_field(cmd_params->flags, HOLD_ACTIVE, queue->destination.hold_active); cmd_params->flc = cpu_to_le64(queue->flc.value); cmd_params->user_context = cpu_to_le64(queue->user_context); /* send command to mc */ return mc_send_command(mc_io, &cmd); } /** * dpni_get_queue() - Get queue parameters * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @qtype: Type of queue - all queue types are supported * @tc: Traffic class, in range 0 to NUM_TCS - 1 * @index: Selects the specific queue out of the set allocated for the * same TC. Value must be in range 0 to NUM_QUEUES - 1 * @queue: Queue configuration structure * @qid: Queue identification * * Return: '0' on Success; Error code otherwise. */ int dpni_get_queue(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, enum dpni_queue_type qtype, u8 tc, u8 index, struct dpni_queue *queue, struct dpni_queue_id *qid) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_get_queue *cmd_params; struct dpni_rsp_get_queue *rsp_params; int err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_QUEUE, cmd_flags, token); cmd_params = (struct dpni_cmd_get_queue *)cmd.params; cmd_params->qtype = qtype; cmd_params->tc = tc; cmd_params->index = index; /* send command to mc */ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ rsp_params = (struct dpni_rsp_get_queue *)cmd.params; queue->destination.id = le32_to_cpu(rsp_params->dest_id); queue->destination.priority = rsp_params->dest_prio; queue->destination.type = dpni_get_field(rsp_params->flags, DEST_TYPE); queue->flc.stash_control = dpni_get_field(rsp_params->flags, STASH_CTRL); queue->destination.hold_active = dpni_get_field(rsp_params->flags, HOLD_ACTIVE); queue->flc.value = le64_to_cpu(rsp_params->flc); queue->user_context = le64_to_cpu(rsp_params->user_context); qid->fqid = le32_to_cpu(rsp_params->fqid); qid->qdbin = le16_to_cpu(rsp_params->qdbin); return 0; } /** * dpni_get_statistics() - Get DPNI statistics * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @page: Selects the statistics page to retrieve, see * DPNI_GET_STATISTICS output. Pages are numbered 0 to 6. * @stat: Structure containing the statistics * * Return: '0' on Success; Error code otherwise. */ int dpni_get_statistics(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, u8 page, union dpni_statistics *stat) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_get_statistics *cmd_params; struct dpni_rsp_get_statistics *rsp_params; int i, err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_STATISTICS, cmd_flags, token); cmd_params = (struct dpni_cmd_get_statistics *)cmd.params; cmd_params->page_number = page; /* send command to mc */ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ rsp_params = (struct dpni_rsp_get_statistics *)cmd.params; for (i = 0; i < DPNI_STATISTICS_CNT; i++) stat->raw.counter[i] = le64_to_cpu(rsp_params->counter[i]); return 0; } /** * dpni_set_taildrop() - Set taildrop per queue or TC * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @cg_point: Congestion point * @qtype: Queue type on which the taildrop is configured. * Only Rx queues are supported for now * @tc: Traffic class to apply this taildrop to * @index: Index of the queue if the DPNI supports multiple queues for * traffic distribution. Ignored if CONGESTION_POINT is not 0. * @taildrop: Taildrop structure * * Return: '0' on Success; Error code otherwise. */ int dpni_set_taildrop(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, enum dpni_congestion_point cg_point, enum dpni_queue_type qtype, u8 tc, u8 index, struct dpni_taildrop *taildrop) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_set_taildrop *cmd_params; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_TAILDROP, cmd_flags, token); cmd_params = (struct dpni_cmd_set_taildrop *)cmd.params; cmd_params->congestion_point = cg_point; cmd_params->qtype = qtype; cmd_params->tc = tc; cmd_params->index = index; dpni_set_field(cmd_params->enable, ENABLE, taildrop->enable); cmd_params->units = taildrop->units; cmd_params->threshold = cpu_to_le32(taildrop->threshold); /* send command to mc */ return mc_send_command(mc_io, &cmd); } /** * dpni_get_taildrop() - Get taildrop information * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @token: Token of DPNI object * @cg_point: Congestion point * @qtype: Queue type on which the taildrop is configured. * Only Rx queues are supported for now * @tc: Traffic class to apply this taildrop to * @index: Index of the queue if the DPNI supports multiple queues for * traffic distribution. Ignored if CONGESTION_POINT is not 0. * @taildrop: Taildrop structure * * Return: '0' on Success; Error code otherwise. */ int dpni_get_taildrop(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, enum dpni_congestion_point cg_point, enum dpni_queue_type qtype, u8 tc, u8 index, struct dpni_taildrop *taildrop) { struct fsl_mc_command cmd = { 0 }; struct dpni_cmd_get_taildrop *cmd_params; struct dpni_rsp_get_taildrop *rsp_params; int err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_TAILDROP, cmd_flags, token); cmd_params = (struct dpni_cmd_get_taildrop *)cmd.params; cmd_params->congestion_point = cg_point; cmd_params->qtype = qtype; cmd_params->tc = tc; cmd_params->index = index; /* send command to mc */ err = mc_send_command(mc_io, &cmd); if (err) return err; /* retrieve response parameters */ rsp_params = (struct dpni_rsp_get_taildrop *)cmd.params; taildrop->enable = dpni_get_field(rsp_params->enable, ENABLE); taildrop->units = rsp_params->units; taildrop->threshold = le32_to_cpu(rsp_params->threshold); return 0; } /** * dpni_get_api_version() - Get Data Path Network Interface API version * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @major_ver: Major version of data path network interface API * @minor_ver: Minor version of data path network interface API * * Return: '0' on Success; Error code otherwise. */ int dpni_get_api_version(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 *major_ver, u16 *minor_ver) { struct dpni_rsp_get_api_version *rsp_params; struct fsl_mc_command cmd = { 0 }; int err; cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_API_VERSION, cmd_flags, 0); err = mc_send_command(mc_io, &cmd); if (err) return err; rsp_params = (struct dpni_rsp_get_api_version *)cmd.params; *major_ver = le16_to_cpu(rsp_params->major); *minor_ver = le16_to_cpu(rsp_params->minor); return 0; } /** * dpni_set_rx_fs_dist() - Set Rx flow steering 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, u32 cmd_flags, u16 token, const struct dpni_rx_dist_cfg *cfg) { struct dpni_cmd_set_rx_fs_dist *cmd_params; struct fsl_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 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 default queue */ int dpni_set_rx_hash_dist(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, const struct dpni_rx_dist_cfg *cfg) { struct dpni_cmd_set_rx_hash_dist *cmd_params; struct fsl_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_HASH_DIST_ENABLE, cfg->enable); cmd_params->tc = 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_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 FS table where to insert the entry. * Only relevant if MASKING is enabled for FS * 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, u32 cmd_flags, u16 token, u8 tc_id, u16 index, const struct dpni_rule_cfg *cfg, const struct dpni_fs_action_cfg *action) { struct dpni_cmd_add_fs_entry *cmd_params; struct fsl_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, u32 cmd_flags, u16 token, u8 tc_id, const struct dpni_rule_cfg *cfg) { struct dpni_cmd_remove_fs_entry *cmd_params; struct fsl_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_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, u32 cmd_flags, u16 token, const struct dpni_qos_tbl_cfg *cfg) { struct dpni_cmd_set_qos_table *cmd_params; struct fsl_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, DISCARD_ON_MISS, cfg->discard_on_miss); /* 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, u32 cmd_flags, u16 token, const struct dpni_rule_cfg *cfg, u8 tc_id, u16 index) { struct dpni_cmd_add_qos_entry *cmd_params; struct fsl_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->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, u32 cmd_flags, u16 token, const struct dpni_rule_cfg *cfg) { struct dpni_cmd_remove_qos_entry *cmd_params; struct fsl_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, u32 cmd_flags, u16 token) { struct fsl_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_set_tx_shaping() - Set the transmit shaping * @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 * @tx_cr_shaper: TX committed rate shaping configuration * @tx_er_shaper: TX excess rate shaping configuration * @coupled: Committed and excess rate shapers are coupled * * Return: '0' on Success; Error code otherwise. */ int dpni_set_tx_shaping(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, const struct dpni_tx_shaping_cfg *tx_cr_shaper, const struct dpni_tx_shaping_cfg *tx_er_shaper, int coupled) { struct dpni_cmd_set_tx_shaping *cmd_params; struct fsl_mc_command cmd = { 0 }; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_TX_SHAPING, cmd_flags, token); cmd_params = (struct dpni_cmd_set_tx_shaping *)cmd.params; cmd_params->tx_cr_max_burst_size = cpu_to_le16(tx_cr_shaper->max_burst_size); cmd_params->tx_er_max_burst_size = cpu_to_le16(tx_er_shaper->max_burst_size); cmd_params->tx_cr_rate_limit = cpu_to_le32(tx_cr_shaper->rate_limit); cmd_params->tx_er_rate_limit = cpu_to_le32(tx_er_shaper->rate_limit); dpni_set_field(cmd_params->coupled, COUPLED, coupled); /* send command to mc*/ return mc_send_command(mc_io, &cmd); } /** * dpni_get_single_step_cfg() - return current configuration for * single step PTP * @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 * @ptp_cfg: ptp single step configuration * * Return: '0' on Success; Error code otherwise. * */ int dpni_get_single_step_cfg(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, struct dpni_single_step_cfg *ptp_cfg) { struct dpni_rsp_single_step_cfg *rsp_params; struct fsl_mc_command cmd = { 0 }; int err; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_SINGLE_STEP_CFG, 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_single_step_cfg *)cmd.params; ptp_cfg->offset = le16_to_cpu(rsp_params->offset); ptp_cfg->en = dpni_get_field(le16_to_cpu(rsp_params->flags), PTP_ENABLE) ? 1 : 0; ptp_cfg->ch_update = dpni_get_field(le16_to_cpu(rsp_params->flags), PTP_CH_UPDATE) ? 1 : 0; ptp_cfg->peer_delay = le32_to_cpu(rsp_params->peer_delay); return err; } /** * dpni_set_single_step_cfg() - enable/disable and configure single step PTP * @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 * @ptp_cfg: ptp single step configuration * * Return: '0' on Success; Error code otherwise. * * The function has effect only when dpni object is connected to a dpmac * object. If the dpni is not connected to a dpmac the configuration will * be stored inside and applied when connection is made. */ int dpni_set_single_step_cfg(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, struct dpni_single_step_cfg *ptp_cfg) { struct dpni_cmd_single_step_cfg *cmd_params; struct fsl_mc_command cmd = { 0 }; u16 flags; /* prepare command */ cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_SINGLE_STEP_CFG, cmd_flags, token); cmd_params = (struct dpni_cmd_single_step_cfg *)cmd.params; cmd_params->offset = cpu_to_le16(ptp_cfg->offset); cmd_params->peer_delay = cpu_to_le32(ptp_cfg->peer_delay); flags = le16_to_cpu(cmd_params->flags); dpni_set_field(flags, PTP_ENABLE, !!ptp_cfg->en); dpni_set_field(flags, PTP_CH_UPDATE, !!ptp_cfg->ch_update); cmd_params->flags = cpu_to_le16(flags); /* send command to mc*/ return mc_send_command(mc_io, &cmd); }