* BSD LICENSE
*
* Copyright 2013-2016 Freescale Semiconductor Inc.
- * Copyright 2016 NXP.
+ * Copyright 2016-2017 NXP.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*/
#define DPNI_OPT_NO_FS 0x000020
-/**
- * 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);
+int dpni_open(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ int dpni_id,
+ uint16_t *token);
-/**
- * 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);
+int dpni_close(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token);
/**
* struct dpni_cfg - Structure representing DPNI configuration
- * @mac_addr: Primary MAC address
- * @adv: Advanced parameters; default is all zeros;
+ * @mac_addr: Primary MAC address
+ * @adv: Advanced parameters; default is all zeros;
* use this structure to change default settings
*/
struct dpni_cfg {
uint8_t qos_entries;
};
-/**
- * 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);
+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);
-/**
- * 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);
+int dpni_destroy(struct fsl_mc_io *mc_io,
+ uint16_t dprc_token,
+ uint32_t cmd_flags,
+ uint32_t object_id);
/**
* struct dpni_pools_cfg - Structure representing buffer pools configuration
- * @num_dpbp: Number of DPBPs
- * @pools: Array of buffer pools parameters; The number of valid entries
- * must match 'num_dpbp' value
+ * @num_dpbp: Number of DPBPs
+ * @pools: Array of buffer pools parameters; The number of valid entries
+ * must match 'num_dpbp' value
*/
struct dpni_pools_cfg {
- uint8_t num_dpbp;
+ uint8_t num_dpbp;
/**
* struct pools - Buffer pools parameters
* @dpbp_id: DPBP object ID
+ * @priority: priority mask that indicates TC's used with this buffer.
+ * I set to 0x00 MC will assume value 0xff.
* @buffer_size: Buffer size
* @backup_pool: Backup pool
*/
struct {
int dpbp_id;
+ uint8_t priority_mask;
uint16_t buffer_size;
int backup_pool;
} pools[DPNI_MAX_DPBP];
};
-/**
- * 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);
+int dpni_set_pools(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ const struct dpni_pools_cfg *cfg);
-/**
- * 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);
+int dpni_enable(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token);
+
+int dpni_disable(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token);
+
+int dpni_is_enabled(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ int *en);
+
+int dpni_reset(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token);
/**
- * 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.
+ * DPNI IRQ Index and Events
*/
-int dpni_disable(struct fsl_mc_io *mc_io,
- uint32_t cmd_flags,
- uint16_t token);
/**
- * 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.
+ * IRQ index
*/
-int dpni_is_enabled(struct fsl_mc_io *mc_io,
- uint32_t cmd_flags,
- uint16_t token,
- int *en);
-
+#define DPNI_IRQ_INDEX 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.
+ * IRQ event - indicates a change in link state
*/
-int dpni_reset(struct fsl_mc_io *mc_io,
- uint32_t cmd_flags,
- uint16_t token);
+#define DPNI_IRQ_EVENT_LINK_CHANGED 0x00000001
+
+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);
+
+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);
+
+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);
+
+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);
+
+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);
+
+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 dpni_attr - Structure representing DPNI attributes
* DPNI_OPT_HAS_KEY_MASKING
* DPNI_OPT_NO_FS
* @num_queues: Number of Tx and Rx queues used for traffic distribution.
- * @num_tcs: Number of traffic classes (TCs), reserved for the DPNI.
+ * @num_rx_tcs: Number of RX traffic classes (TCs), reserved for the DPNI.
+ * @num_tx_tcs: Number of TX traffic classes (TCs), reserved for the DPNI.
* @mac_filter_entries: Number of entries in the MAC address filtering
* table.
* @vlan_filter_entries: Number of entries in the VLAN address filtering
struct dpni_attr {
uint32_t options;
uint8_t num_queues;
- uint8_t num_tcs;
+ uint8_t num_rx_tcs;
+ uint8_t num_tx_tcs;
uint8_t mac_filter_entries;
uint8_t vlan_filter_entries;
uint8_t qos_entries;
uint16_t wriop_version;
};
-/**
- * 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);
+int dpni_get_attributes(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ struct dpni_attr *attr);
/**
* DPNI errors
/**
* struct dpni_error_cfg - Structure representing DPNI errors treatment
- * @errors: Errors mask; use 'DPNI_ERROR__<X>
- * @error_action: The desired action for the errors mask
- * @set_frame_annotation: Set to '1' to mark the errors in frame annotation
- * status (FAS); relevant only for the non-discard action
+ * @errors: Errors mask; use 'DPNI_ERROR__<X>
+ * @error_action: The desired action for the errors mask
+ * @set_frame_annotation: Set to '1' to mark the errors in frame
+ * annotation status (FAS); relevant only
+ * for the non-discard action
*/
struct dpni_error_cfg {
- uint32_t errors;
- enum dpni_error_action error_action;
- int set_frame_annotation;
+ uint32_t errors;
+ enum dpni_error_action error_action;
+ int set_frame_annotation;
};
-/**
- * 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);
+int dpni_set_errors_behavior(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ struct dpni_error_cfg *cfg);
/**
* DPNI buffer layout modification options
/**
* struct dpni_buffer_layout - Structure representing DPNI buffer layout
- * @options: Flags representing the suggested modifications to the buffer
- * layout; Use any combination of 'DPNI_BUF_LAYOUT_OPT_<X>' flags
- * @pass_timestamp: Pass timestamp value
- * @pass_parser_result: Pass parser results
- * @pass_frame_status: Pass frame status
- * @private_data_size: Size kept for private data (in bytes)
- * @data_align: Data alignment
- * @data_head_room: Data head room
- * @data_tail_room: Data tail room
+ * @options: Flags representing the suggested modifications to the
+ * buffer layout;
+ * Use any combination of 'DPNI_BUF_LAYOUT_OPT_<X>' flags
+ * @pass_timestamp: Pass timestamp value
+ * @pass_parser_result: Pass parser results
+ * @pass_frame_status: Pass frame status
+ * @private_data_size: Size kept for private data (in bytes)
+ * @data_align: Data alignment
+ * @data_head_room: Data head room
+ * @data_tail_room: Data tail room
*/
struct dpni_buffer_layout {
- uint32_t options;
- int pass_timestamp;
- int pass_parser_result;
- int pass_frame_status;
- uint16_t private_data_size;
- uint16_t data_align;
- uint16_t data_head_room;
- uint16_t data_tail_room;
+ uint32_t options;
+ int pass_timestamp;
+ int pass_parser_result;
+ int pass_frame_status;
+ uint16_t private_data_size;
+ uint16_t data_align;
+ uint16_t data_head_room;
+ uint16_t data_tail_room;
};
/**
* @DPNI_QUEUE_TX: Tx queue
* @DPNI_QUEUE_TX_CONFIRM: Tx confirmation queue
* @DPNI_QUEUE_RX_ERR: Rx error queue
- */enum dpni_queue_type {
+ */
+enum dpni_queue_type {
DPNI_QUEUE_RX,
DPNI_QUEUE_TX,
DPNI_QUEUE_TX_CONFIRM,
DPNI_QUEUE_RX_ERR,
};
-/**
- * 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 get the layout from
- * @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);
+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);
-/**
- * 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 to set layout on
- * @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,
+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);
/**
* @DPNI_OFF_RX_L4_CSUM: Rx L4 checksum validation
* @DPNI_OFF_TX_L3_CSUM: Tx L3 checksum generation
* @DPNI_OFF_TX_L4_CSUM: Tx L4 checksum generation
+ * @DPNI_OPT_FLCTYPE_HASH: flow context will be generated by WRIOP for AIOP or
+ * for CPU
*/
enum dpni_offload {
DPNI_OFF_RX_L3_CSUM,
DPNI_OFF_RX_L4_CSUM,
DPNI_OFF_TX_L3_CSUM,
DPNI_OFF_TX_L4_CSUM,
+ DPNI_FLCTYPE_HASH,
};
-/**
- * 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);
-/**
- * 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);
-/**
- * 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 get QDID for. For applications lookig to
- * transmit traffic this should be set to DPNI_QUEUE_TX
- * @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);
+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);
+
+int dpni_get_tx_data_offset(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ uint16_t *data_offset);
#define DPNI_STATISTICS_CNT 7
uint64_t egress_discarded_frames;
uint64_t egress_confirmed_frames;
} page_2;
+ /**
+ * struct page_3 - Page_3 statistics structure with values for the
+ * selected TC
+ * @ceetm_dequeue_bytes: Cumulative count of the number of bytes
+ * dequeued
+ * @ceetm_dequeue_frames: Cumulative count of the number of frames
+ * dequeued
+ * @ceetm_reject_bytes: Cumulative count of the number of bytes in all
+ * frames whose enqueue was rejected
+ * @ceetm_reject_frames: Cumulative count of all frame enqueues rejected
+ */
+ struct {
+ uint64_t ceetm_dequeue_bytes;
+ uint64_t ceetm_dequeue_frames;
+ uint64_t ceetm_reject_bytes;
+ uint64_t ceetm_reject_frames;
+ } page_3;
/**
* struct raw - raw statistics structure, used to index counters
*/
* Enable a-symmetric pause frames
*/
#define DPNI_LINK_OPT_ASYM_PAUSE 0x0000000000000008ULL
+/**
+ * Enable priority flow control pause frames
+ */
+#define DPNI_LINK_OPT_PFC_PAUSE 0x0000000000000010ULL
/**
* struct - Structure representing DPNI link configuration
uint64_t options;
};
-/**
- * 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);
+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 dpni_link_state - Structure representing DPNI link state
- * @rate: Rate
- * @options: Mask of available options; use 'DPNI_LINK_OPT_<X>' values
- * @up: Link state; '0' for down, '1' for up
+ * @rate: Rate
+ * @options: Mask of available options; use 'DPNI_LINK_OPT_<X>' values
+ * @up: Link state; '0' for down, '1' for up
*/
struct dpni_link_state {
- uint32_t rate;
- uint64_t options;
- int up;
+ uint32_t rate;
+ uint64_t options;
+ int up;
};
-/**
- * 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);
-
-/**
- * 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);
-
-/**
- * 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);
-
-/**
- * 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);
-
-/**
- * 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);
-
-/**
- * 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);
-
-/**
- * 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);
-
-/**
- * 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]);
-
-/**
- * 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]);
-
-/**
- * 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,
- uint32_t cmd_flags,
- uint16_t token,
- const uint8_t mac_addr[6]);
-
-/**
- * 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]);
-
-/**
- * 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);
-
-/**
- * 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 modified 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]);
+int dpni_get_link_state(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ struct dpni_link_state *state);
+
+int dpni_set_max_frame_length(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ uint16_t max_frame_length);
+
+int dpni_get_max_frame_length(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ uint16_t *max_frame_length);
+
+int dpni_set_mtu(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ uint16_t mtu);
+
+int dpni_get_mtu(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ uint16_t *mtu);
+
+int dpni_set_multicast_promisc(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ int en);
+
+int dpni_get_multicast_promisc(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ int *en);
+
+int dpni_set_unicast_promisc(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ int en);
+
+int dpni_get_unicast_promisc(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ int *en);
+
+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]);
+
+int dpni_get_primary_mac_addr(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ uint8_t mac_addr[6]);
+
+int dpni_add_mac_addr(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ const uint8_t mac_addr[6]);
-/**
- * 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);
+int dpni_remove_mac_addr(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ const uint8_t mac_addr[6]);
+
+int dpni_clear_mac_filters(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ int unicast,
+ int multicast);
+
+int dpni_get_port_mac_addr(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ uint8_t mac_addr[6]);
+
+int dpni_enable_vlan_filter(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ int en);
+
+int dpni_add_vlan_id(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ uint16_t vlan_id);
-/**
- * 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
- *
- * 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);
+int dpni_remove_vlan_id(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ uint16_t vlan_id);
-/**
- * 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);
-
-/**
- * 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);
+int dpni_clear_vlan_filters(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token);
/**
* enum dpni_dist_mode - DPNI distribution mode
/**
* struct dpni_fs_tbl_cfg - Flow Steering table configuration
- * @miss_action: Miss action selection
- * @default_flow_id: Used when 'miss_action = DPNI_FS_MISS_EXPLICIT_FLOWID'
+ * @miss_action: Miss action selection
+ * @default_flow_id: Used when 'miss_action = DPNI_FS_MISS_EXPLICIT_FLOWID'
*/
struct dpni_fs_tbl_cfg {
- enum dpni_fs_miss_action miss_action;
- uint16_t default_flow_id;
+ enum dpni_fs_miss_action miss_action;
+ uint16_t default_flow_id;
+ char keep_hash_key;
};
-/**
- * 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,
- uint8_t *key_cfg_buf);
-
/**
* struct dpni_rx_tc_dist_cfg - Rx traffic class distribution configuration
* @dist_size: Set the distribution size;
* @dist_mode: Distribution mode
* @key_cfg_iova: I/O virtual address of 256 bytes DMA-able memory filled with
* the extractions to be used for the distribution key by calling
- * dpni_prepare_key_cfg() relevant only when
+ * dpkg_prepare_key_cfg() relevant only when
* 'dist_mode != DPNI_DIST_MODE_NONE', otherwise it can be '0'
* @fs_cfg: Flow Steering table configuration; only relevant if
* 'dist_mode = DPNI_DIST_MODE_FS'
*/
struct dpni_rx_tc_dist_cfg {
- uint16_t dist_size;
- enum dpni_dist_mode dist_mode;
- uint64_t key_cfg_iova;
- struct dpni_fs_tbl_cfg fs_cfg;
+ uint16_t dist_size;
+ enum dpni_dist_mode dist_mode;
+ uint64_t key_cfg_iova;
+ struct dpni_fs_tbl_cfg fs_cfg;
};
-/**
- * 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,
- uint32_t cmd_flags,
- uint16_t token,
- uint8_t tc_id,
- const struct dpni_rx_tc_dist_cfg *cfg);
+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);
+
/**
* enum dpni_congestion_unit - DPNI congestion units
* @DPNI_CONGESTION_UNIT_BYTES: bytes units
* channel; not relevant for 'DPNI_DEST_NONE' option
*/
struct dpni_dest_cfg {
- enum dpni_dest dest_type;
- int dest_id;
- uint8_t priority;
+ enum dpni_dest dest_type;
+ int dest_id;
+ uint8_t priority;
};
/* DPNI congestion options */
* sw-portal's DQRR, the DQRI interrupt is asserted immediately (if enabled)
*/
#define DPNI_CONG_OPT_INTR_COALESCING_DISABLED 0x00000020
+/**
+ * This congestion will trigger flow control or priority flow control. This
+ * will have effect only if flow control is enabled with dpni_set_link_cfg()
+ */
+#define DPNI_CONG_OPT_FLOW_CONTROL 0x00000040
/**
* struct dpni_congestion_notification_cfg - congestion notification
*/
struct dpni_congestion_notification_cfg {
- enum dpni_congestion_unit units;
- uint32_t threshold_entry;
- uint32_t threshold_exit;
- uint64_t message_ctx;
- uint64_t message_iova;
- struct dpni_dest_cfg dest_cfg;
- uint16_t notification_mode;
+ enum dpni_congestion_unit units;
+ uint32_t threshold_entry;
+ uint32_t threshold_exit;
+ uint64_t message_ctx;
+ uint64_t message_iova;
+ struct dpni_dest_cfg dest_cfg;
+ uint16_t notification_mode;
};
-/**
- * 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,
+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);
-/**
- * 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,
+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);
+/* DPNI FLC stash options */
+
+/**
+ * stashes the whole annotation area (up to 192 bytes)
+ */
+#define DPNI_FLC_STASH_FRAME_ANNOTATION 0x00000001
/**
* struct dpni_queue - Queue structure
uint64_t user_context;
/**
* struct flc - FD FLow Context structure
- * @value: FLC value to set
- * @stash_control: Boolean, indicates whether the 6 lowest
- * significant bits are used for stash control.
+ * @value: Default FLC value for traffic dequeued from
+ * this queue. Please check description of FD
+ * structure for more information.
+ * Note that FLC values set using dpni_add_fs_entry,
+ * if any, take precedence over values per queue.
+ * @stash_control: Boolean, indicates whether the 6 lowest
+ * - significant bits are used for stash control.
+ * significant bits are used for stash control. If set, the 6
+ * least significant bits in value are interpreted as follows:
+ * - bits 0-1: indicates the number of 64 byte units of context
+ * that are stashed. FLC value is interpreted as a memory address
+ * in this case, excluding the 6 LS bits.
+ * - bits 2-3: indicates the number of 64 byte units of frame
+ * annotation to be stashed. Annotation is placed at FD[ADDR].
+ * - bits 4-5: indicates the number of 64 byte units of frame
+ * data to be stashed. Frame data is placed at FD[ADDR] +
+ * FD[OFFSET].
+ * For more details check the Frame Descriptor section in the
+ * hardware documentation.
*/
struct {
uint64_t value;
DPNI_CONF_DISABLE,
};
-/**
- * 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. The ID of the queue when
- * calling dpni_set/get_queue is -1.
- * Tx confirmation mode can only be changed while the DPNI is disabled.
- * Executing this command while the DPNI is enabled will return an error.
- *
- * 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);
+int dpni_set_tx_confirmation_mode(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ enum dpni_confirmation_mode mode);
+
+int dpni_get_tx_confirmation_mode(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ enum dpni_confirmation_mode *mode);
-/**
- * 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,
*/
#define DPNI_QUEUE_OPT_HOLD_ACTIVE 0x00000008
-/**
- * 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 configuration 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,
uint8_t options,
const struct dpni_queue *queue);
-/**
- * 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
- *
- * This function returns current queue configuration which can be changed by
- * calling dpni_set_queue, and queue identification information.
- * Returned qid.fqid and/or qid.qdbin values can be used to:
- * - enqueue traffic for Tx queues,
- * - perform volatile dequeue for Rx and, if applicable, Tx confirmation
- * clean-up,
- * - retrieve queue state.
- *
- * All these operations are supported through the DPIO run-time API.
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dpni_get_queue(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
struct dpni_queue *queue,
struct dpni_queue_id *qid);
-/**
- * dpni_get_statistics() - Get DPNI statistics
- * @mc_io: Pointer to MC portal's I/O object
- * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
- * @token: Token of DPNI object
- * @page: Selects the statistics page to retrieve, see
- * DPNI_GET_STATISTICS output.
- * Pages are numbered 0 to 2.
- * @stat: Structure containing the statistics
- *
- * Return: '0' on Success; Error code otherwise.
- */
int dpni_get_statistics(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
uint8_t page,
+ uint8_t param,
union dpni_statistics *stat);
-/**
- * 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 dpni_taildrop - Structure representing the taildrop
* @enable: Indicates whether the taildrop is active or not.
* @units: Indicates the unit of THRESHOLD. Queue taildrop only
- * supports byte units, this field is ignored and
- * assumed = 0 if CONGESTION_POINT is 0.
+ * supports byte units, this field is ignored and
+ * assumed = 0 if CONGESTION_POINT is 0.
* @threshold: Threshold value, in units identified by UNITS field. Value 0
- * cannot be used as a valid taildrop threshold,
- * THRESHOLD must be > 0 if the taildrop is
- * enabled.
+ * cannot be used as a valid taildrop threshold,
+ * THRESHOLD must be > 0 if the taildrop is
+ * enabled.
+ * @oal : Overhead Accounting Length, a 12-bit, 2's complement value
+ * with range (-2048 to +2047) representing a fixed per-frame
+ * overhead to be added to the actual length of a frame when
+ * performing WRED and tail drop calculations and threshold
+ * comparisons.
*/
struct dpni_taildrop {
char enable;
enum dpni_congestion_unit units;
uint32_t threshold;
+ int16_t oal;
};
-/**
- * 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,
uint8_t q_index,
struct dpni_taildrop *taildrop);
-/**
- * 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:
- * @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,
Code Review / deb_dpdk.git / blobdiff