/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
/* Copyright 2013-2016 Freescale Semiconductor Inc.
* Copyright 2016 NXP
* Copyright 2020 NXP
*/
#ifndef __FSL_DPNI_H
#define __FSL_DPNI_H
#include "dpkg.h"
struct fsl_mc_io;
/* Data Path Network Interface API
* Contains initialization APIs and runtime control APIs for DPNI
*/
/** General DPNI macros */
/**
* DPNI_MAX_TC - Maximum number of traffic classes
*/
#define DPNI_MAX_TC 8
/**
* DPNI_MAX_DPBP - Maximum number of buffer pools per DPNI
*/
#define DPNI_MAX_DPBP 8
/**
* DPNI_ALL_TCS - All traffic classes considered ; see dpni_set_queue ( )
*/
#define DPNI_ALL_TCS (u8)(-1 )
/**
* DPNI_ALL_TC_FLOWS - All flows within traffic class considered ; see
* dpni_set_queue ( )
*/
#define DPNI_ALL_TC_FLOWS (u16)(-1 )
/**
* DPNI_NEW_FLOW_ID - Generate new flow ID ; see dpni_set_queue ( )
*/
#define DPNI_NEW_FLOW_ID (u16)(-1 )
/**
* DPNI_OPT_TX_FRM_RELEASE - Tx traffic is always released to a buffer pool on
* transmit , there are no resources allocated to have the frames confirmed back
* to the source after transmission .
*/
#define DPNI_OPT_TX_FRM_RELEASE 0 x000001
/**
* DPNI_OPT_NO_MAC_FILTER - Disables support for MAC address filtering for
* addresses other than primary MAC address . This affects both unicast and
* multicast . Promiscuous mode can still be enabled / disabled for both unicast
* and multicast . If promiscuous mode is disabled , only traffic matching the
* primary MAC address will be accepted .
*/
#define DPNI_OPT_NO_MAC_FILTER 0 x000002
/**
* DPNI_OPT_HAS_POLICING - Allocate policers for this DPNI . They can be used to
* rate - limit traffic per traffic class ( TC ) basis .
*/
#define DPNI_OPT_HAS_POLICING 0 x000004
/**
* DPNI_OPT_SHARED_CONGESTION - Congestion can be managed in several ways ,
* allowing the buffer pool to deplete on ingress , taildrop on each queue or
* use congestion groups for sets of queues . If set , it configures a single
* congestion groups across all TCs . If reset , a congestion group is allocated
* for each TC . Only relevant if the DPNI has multiple traffic classes .
*/
#define DPNI_OPT_SHARED_CONGESTION 0 x000008
/**
* DPNI_OPT_HAS_KEY_MASKING - Enables TCAM for Flow Steering and QoS look - ups .
* If not specified , all look - ups are exact match . Note that TCAM is not
* available on LS1088 and its variants . Setting this bit on these SoCs will
* trigger an error .
*/
#define DPNI_OPT_HAS_KEY_MASKING 0 x000010
/**
* DPNI_OPT_NO_FS - Disables the flow steering table .
*/
#define DPNI_OPT_NO_FS 0 x000020
/**
* DPNI_OPT_SHARED_FS - Flow steering table is shared between all traffic
* classes
*/
#define DPNI_OPT_SHARED_FS 0 x001000
int dpni_open(struct fsl_mc_io *mc_io,
u32 cmd_flags,
int dpni_id,
u16 *token);
int dpni_close(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token);
#define DPNI_POOL_ASSOC_QPRI 0
#define DPNI_POOL_ASSOC_QDBIN 1
/**
* struct dpni_pools_cfg - Structure representing buffer pools configuration
* @ num_dpbp : Number of DPBPs
* @ pool_options : Buffer assignment options .
* This field is a combination of DPNI_POOL_ASSOC_flags
* @ pools : Array of buffer pools parameters ; The number of valid entries
* must match ' num_dpbp ' value
* @ pools . dpbp_id : DPBP object ID
* @ pools . priority : Priority mask that indicates TC ' s used with this buffer .
* If set to 0 x00 MC will assume value 0 xff .
* @ pools . buffer_size : Buffer size
* @ pools . backup_pool : Backup pool
*/
struct dpni_pools_cfg {
u8 num_dpbp;
u8 pool_options;
struct {
int dpbp_id;
u8 priority_mask;
u16 buffer_size;
int backup_pool;
} pools[DPNI_MAX_DPBP];
};
int dpni_set_pools(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
const struct dpni_pools_cfg *cfg);
int dpni_enable(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token);
int dpni_disable(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token);
int dpni_is_enabled(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int *en);
int dpni_reset(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token);
/* DPNI IRQ Index and Events */
#define DPNI_IRQ_INDEX 0
/* DPNI_IRQ_EVENT_LINK_CHANGED - indicates a change in link state */
#define DPNI_IRQ_EVENT_LINK_CHANGED 0 x00000001
/* DPNI_IRQ_EVENT_ENDPOINT_CHANGED - indicates a change in endpoint */
#define DPNI_IRQ_EVENT_ENDPOINT_CHANGED 0 x00000002
int dpni_set_irq_enable(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 irq_index,
u8 en);
int dpni_get_irq_enable(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 irq_index,
u8 *en);
int dpni_set_irq_mask(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 irq_index,
u32 mask);
int dpni_get_irq_mask(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 irq_index,
u32 *mask);
int dpni_get_irq_status(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 irq_index,
u32 *status);
int dpni_clear_irq_status(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 irq_index,
u32 status);
/**
* struct dpni_attr - Structure representing DPNI attributes
* @ options : Any combination of the following options :
* DPNI_OPT_TX_FRM_RELEASE
* DPNI_OPT_NO_MAC_FILTER
* DPNI_OPT_HAS_POLICING
* DPNI_OPT_SHARED_CONGESTION
* 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 .
* @ mac_filter_entries : Number of entries in the MAC address filtering table .
* @ vlan_filter_entries : Number of entries in the VLAN address filtering table .
* @ qos_entries : Number of entries in the QoS classification table .
* @ fs_entries : Number of entries in the flow steering table .
* @ qos_key_size : Size , in bytes , of the QoS look - up key . Defining a key larger
* than this when adding QoS entries will result in an error .
* @ fs_key_size : Size , in bytes , of the flow steering look - up key . Defining a
* key larger than this when composing the hash + FS key will
* result in an error .
* @ wriop_version : Version of WRIOP HW block . The 3 version values are stored
* on 6 , 5 , 5 bits respectively .
*/
struct dpni_attr {
u32 options;
u8 num_queues;
u8 num_tcs;
u8 mac_filter_entries;
u8 vlan_filter_entries;
u8 qos_entries;
u16 fs_entries;
u8 qos_key_size;
u8 fs_key_size;
u16 wriop_version;
};
int dpni_get_attributes(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
struct dpni_attr *attr);
/* DPNI errors */
/**
* DPNI_ERROR_EOFHE - Extract out of frame header error
*/
#define DPNI_ERROR_EOFHE 0 x00020000
/**
* DPNI_ERROR_FLE - Frame length error
*/
#define DPNI_ERROR_FLE 0 x00002000
/**
* DPNI_ERROR_FPE - Frame physical error
*/
#define DPNI_ERROR_FPE 0 x00001000
/**
* DPNI_ERROR_PHE - Parsing header error
*/
#define DPNI_ERROR_PHE 0 x00000020
/**
* DPNI_ERROR_L3CE - Parser L3 checksum error
*/
#define DPNI_ERROR_L3CE 0 x00000004
/**
* DPNI_ERROR_L4CE - Parser L3 checksum error
*/
#define DPNI_ERROR_L4CE 0 x00000001
/**
* enum dpni_error_action - Defines DPNI behavior for errors
* @ DPNI_ERROR_ACTION_DISCARD : Discard the frame
* @ DPNI_ERROR_ACTION_CONTINUE : Continue with the normal flow
* @ DPNI_ERROR_ACTION_SEND_TO_ERROR_QUEUE : Send the frame to the error queue
*/
enum dpni_error_action {
DPNI_ERROR_ACTION_DISCARD = 0 ,
DPNI_ERROR_ACTION_CONTINUE = 1 ,
DPNI_ERROR_ACTION_SEND_TO_ERROR_QUEUE = 2
};
/**
* 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
*/
struct dpni_error_cfg {
u32 errors;
enum dpni_error_action error_action;
int set_frame_annotation;
};
int dpni_set_errors_behavior(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
struct dpni_error_cfg *cfg);
/* DPNI buffer layout modification options */
/**
* DPNI_BUF_LAYOUT_OPT_TIMESTAMP - Select to modify the time - stamp setting
*/
#define DPNI_BUF_LAYOUT_OPT_TIMESTAMP 0 x00000001
/**
* DPNI_BUF_LAYOUT_OPT_PARSER_RESULT - Select to modify the parser - result
* setting ; not applicable for Tx
*/
#define DPNI_BUF_LAYOUT_OPT_PARSER_RESULT 0 x00000002
/**
* DPNI_BUF_LAYOUT_OPT_FRAME_STATUS - Select to modify the frame - status setting
*/
#define DPNI_BUF_LAYOUT_OPT_FRAME_STATUS 0 x00000004
/**
* DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE - Select to modify the private - data - size setting
*/
#define DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE 0 x00000008
/**
* DPNI_BUF_LAYOUT_OPT_DATA_ALIGN - Select to modify the data - alignment setting
*/
#define DPNI_BUF_LAYOUT_OPT_DATA_ALIGN 0 x00000010
/**
* DPNI_BUF_LAYOUT_OPT_DATA_HEAD_ROOM - Select to modify the data - head - room setting
*/
#define DPNI_BUF_LAYOUT_OPT_DATA_HEAD_ROOM 0 x00000020
/**
* DPNI_BUF_LAYOUT_OPT_DATA_TAIL_ROOM - Select to modify the data - tail - room setting
*/
#define DPNI_BUF_LAYOUT_OPT_DATA_TAIL_ROOM 0 x00000040
/**
* 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
*/
struct dpni_buffer_layout {
u32 options;
int pass_timestamp;
int pass_parser_result;
int pass_frame_status;
u16 private_data_size;
u16 data_align;
u16 data_head_room;
u16 data_tail_room;
};
/**
* enum dpni_queue_type - Identifies a type of queue targeted by the command
* @ DPNI_QUEUE_RX : Rx queue
* @ DPNI_QUEUE_TX : Tx queue
* @ DPNI_QUEUE_TX_CONFIRM : Tx confirmation queue
* @ DPNI_QUEUE_RX_ERR : Rx error queue
*/
enum dpni_queue_type {
DPNI_QUEUE_RX,
DPNI_QUEUE_TX,
DPNI_QUEUE_TX_CONFIRM,
DPNI_QUEUE_RX_ERR,
};
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);
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);
/**
* enum dpni_offload - Identifies a type of offload targeted by the command
* @ DPNI_OFF_RX_L3_CSUM : Rx L3 checksum validation
* @ 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
*/
enum dpni_offload {
DPNI_OFF_RX_L3_CSUM,
DPNI_OFF_RX_L4_CSUM,
DPNI_OFF_TX_L3_CSUM,
DPNI_OFF_TX_L4_CSUM,
};
int dpni_set_offload(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
enum dpni_offload type,
u32 config);
int dpni_get_offload(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
enum dpni_offload type,
u32 *config);
int dpni_get_qdid(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
enum dpni_queue_type qtype,
u16 *qdid);
int dpni_get_tx_data_offset(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u16 *data_offset);
#define DPNI_STATISTICS_CNT 7
/**
* union dpni_statistics - Union describing the DPNI statistics
* @ page_0 : Page_0 statistics structure
* @ page_0 . ingress_all_frames : Ingress frame count
* @ page_0 . ingress_all_bytes : Ingress byte count
* @ page_0 . ingress_multicast_frames : Ingress multicast frame count
* @ page_0 . ingress_multicast_bytes : Ingress multicast byte count
* @ page_0 . ingress_broadcast_frames : Ingress broadcast frame count
* @ page_0 . ingress_broadcast_bytes : Ingress broadcast byte count
* @ page_1 : Page_1 statistics structure
* @ page_1 . egress_all_frames : Egress frame count
* @ page_1 . egress_all_bytes : Egress byte count
* @ page_1 . egress_multicast_frames : Egress multicast frame count
* @ page_1 . egress_multicast_bytes : Egress multicast byte count
* @ page_1 . egress_broadcast_frames : Egress broadcast frame count
* @ page_1 . egress_broadcast_bytes : Egress broadcast byte count
* @ page_2 : Page_2 statistics structure
* @ page_2 . ingress_filtered_frames : Ingress filtered frame count
* @ page_2 . ingress_discarded_frames : Ingress discarded frame count
* @ page_2 . ingress_nobuffer_discards : Ingress discarded frame count due to
* lack of buffers
* @ page_2 . egress_discarded_frames : Egress discarded frame count
* @ page_2 . egress_confirmed_frames : Egress confirmed frame count
* @ page_3 : Page_3 statistics structure
* @ page_3 . egress_dequeue_bytes : Cumulative count of the number of bytes
* dequeued from egress FQs
* @ page_3 . egress_dequeue_frames : Cumulative count of the number of frames
* dequeued from egress FQs
* @ page_3 . egress_reject_bytes : Cumulative count of the number of bytes in
* egress frames whose enqueue was rejected
* @ page_3 . egress_reject_frames : Cumulative count of the number of egress
* frames whose enqueue was rejected
* @ page_4 : Page_4 statistics structure : congestion points
* @ page_4 . cgr_reject_frames : number of rejected frames due to congestion point
* @ page_4 . cgr_reject_bytes : number of rejected bytes due to congestion point
* @ page_5 : Page_5 statistics structure : policer
* @ page_5 . policer_cnt_red : NUmber of red colored frames
* @ page_5 . policer_cnt_yellow : number of yellow colored frames
* @ page_5 . policer_cnt_green : number of green colored frames
* @ page_5 . policer_cnt_re_red : number of recolored red frames
* @ page_5 . policer_cnt_re_yellow : number of recolored yellow frames
* @ page_6 : Page_6 statistics structure
* @ page_6 . tx_pending_frames : total number of frames pending in egress FQs
* @ raw : raw statistics structure , used to index counters
*/
union dpni_statistics {
struct {
u64 ingress_all_frames;
u64 ingress_all_bytes;
u64 ingress_multicast_frames;
u64 ingress_multicast_bytes;
u64 ingress_broadcast_frames;
u64 ingress_broadcast_bytes;
} page_0;
struct {
u64 egress_all_frames;
u64 egress_all_bytes;
u64 egress_multicast_frames;
u64 egress_multicast_bytes;
u64 egress_broadcast_frames;
u64 egress_broadcast_bytes;
} page_1;
struct {
u64 ingress_filtered_frames;
u64 ingress_discarded_frames;
u64 ingress_nobuffer_discards;
u64 egress_discarded_frames;
u64 egress_confirmed_frames;
} page_2;
struct {
u64 egress_dequeue_bytes;
u64 egress_dequeue_frames;
u64 egress_reject_bytes;
u64 egress_reject_frames;
} page_3;
struct {
u64 cgr_reject_frames;
u64 cgr_reject_bytes;
} page_4;
struct {
u64 policer_cnt_red;
u64 policer_cnt_yellow;
u64 policer_cnt_green;
u64 policer_cnt_re_red;
u64 policer_cnt_re_yellow;
} page_5;
struct {
u64 tx_pending_frames;
} page_6;
struct {
u64 counter[DPNI_STATISTICS_CNT];
} raw;
};
int dpni_get_statistics(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 page,
union dpni_statistics *stat);
#define DPNI_LINK_OPT_AUTONEG 0 x0000000000000001ULL
#define DPNI_LINK_OPT_HALF_DUPLEX 0 x0000000000000002ULL
#define DPNI_LINK_OPT_PAUSE 0 x0000000000000004ULL
#define DPNI_LINK_OPT_ASYM_PAUSE 0 x0000000000000008ULL
#define DPNI_LINK_OPT_PFC_PAUSE 0 x0000000000000010ULL
/**
* struct dpni_link_cfg - Structure representing DPNI link configuration
* @ rate : Rate
* @ options : Mask of available options ; use ' DPNI_LINK_OPT_ < X > ' values
*/
struct dpni_link_cfg {
u32 rate;
u64 options;
};
int dpni_set_link_cfg(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
const struct dpni_link_cfg *cfg);
int dpni_get_link_cfg(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
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
*/
struct dpni_link_state {
u32 rate;
u64 options;
int up;
};
int dpni_get_link_state(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
struct dpni_link_state *state);
int dpni_set_max_frame_length(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u16 max_frame_length);
int dpni_get_max_frame_length(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u16 *max_frame_length);
int dpni_set_multicast_promisc(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int en);
int dpni_get_multicast_promisc(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int *en);
int dpni_set_unicast_promisc(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int en);
int dpni_get_unicast_promisc(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int *en);
int dpni_set_primary_mac_addr(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
const u8 mac_addr[6 ]);
int dpni_get_primary_mac_addr(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
u8 mac_addr[6 ]);
int dpni_get_port_mac_addr(struct fsl_mc_io *mc_io,
u32 cm_flags,
u16 token,
u8 mac_addr[6 ]);
int dpni_add_mac_addr(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
const u8 mac_addr[6 ]);
int dpni_remove_mac_addr(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
const u8 mac_addr[6 ]);
int dpni_clear_mac_filters(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
int unicast,
int multicast);
/**
* enum dpni_dist_mode - DPNI distribution mode
* @ DPNI_DIST_MODE_NONE : No distribution
* @ DPNI_DIST_MODE_HASH : Use hash distribution ; only relevant if
* the ' DPNI_OPT_DIST_HASH ' option was set at DPNI creation
* @ DPNI_DIST_MODE_FS : Use explicit flow steering ; only relevant if
* the ' DPNI_OPT_DIST_FS ' option was set at DPNI creation
*/
enum dpni_dist_mode {
DPNI_DIST_MODE_NONE = 0 ,
DPNI_DIST_MODE_HASH = 1 ,
DPNI_DIST_MODE_FS = 2
};
/**
* enum dpni_fs_miss_action - DPNI Flow Steering miss action
* @ DPNI_FS_MISS_DROP : In case of no - match , drop the frame
* @ DPNI_FS_MISS_EXPLICIT_FLOWID : In case of no - match , use explicit flow - id
* @ DPNI_FS_MISS_HASH : In case of no - match , distribute using hash
*/
enum dpni_fs_miss_action {
DPNI_FS_MISS_DROP = 0 ,
DPNI_FS_MISS_EXPLICIT_FLOWID = 1 ,
DPNI_FS_MISS_HASH = 2
};
/**
* 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 '
*/
struct dpni_fs_tbl_cfg {
enum dpni_fs_miss_action miss_action;
u16 default_flow_id;
};
int dpni_prepare_key_cfg(const struct dpkg_profile_cfg *cfg,
u8 *key_cfg_buf);
/**
* struct dpni_rx_tc_dist_cfg - Rx traffic class distribution configuration
* @ dist_size : Set the distribution size ;
* supported values : 1 , 2 , 3 , 4 , 6 , 7 , 8 , 12 , 14 , 16 , 24 , 28 , 32 , 48 , 56 , 64 , 96 ,
* 112 , 128 , 192 , 224 , 256 , 384 , 448 , 512 , 768 , 896 , 1024
* @ 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
* ' 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 {
u16 dist_size;
enum dpni_dist_mode dist_mode;
u64 key_cfg_iova;
struct dpni_fs_tbl_cfg fs_cfg;
};
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);
/**
* DPNI_FS_MISS_DROP - When used for fs_miss_flow_id in function
* dpni_set_rx_dist , will signal to dpni to drop all unclassified frames
*/
#define DPNI_FS_MISS_DROP ((uint16_t)-1 )
/**
* struct dpni_rx_dist_cfg - Rx distribution configuration
* @ dist_size : distribution size
* @ 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 enable ! = 0 otherwise
* it can be ' 0 '
* @ enable : enable / disable the distribution .
* @ tc : TC id for which distribution is set
* @ fs_miss_flow_id : when packet misses all rules from flow steering table and
* hash is disabled it will be put into this queue id ; use
* DPNI_FS_MISS_DROP to drop frames . The value of this field is
* used only when flow steering distribution is enabled and hash
* distribution is disabled
*/
struct dpni_rx_dist_cfg {
u16 dist_size;
u64 key_cfg_iova;
u8 enable;
u8 tc;
u16 fs_miss_flow_id;
};
int dpni_set_rx_fs_dist(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
const struct dpni_rx_dist_cfg *cfg);
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_qos_tbl_cfg - Structure representing QOS table configuration
* @ key_cfg_iova : I / O virtual address of 256 bytes DMA - able memory filled with
* key extractions to be used as the QoS criteria by calling
* dpkg_prepare_key_cfg ( )
* @ discard_on_miss : Set to ' 1 ' to discard frames in case of no match ( miss ) ;
* ' 0 ' to use the ' default_tc ' in such cases
* @ default_tc : Used in case of no - match and ' discard_on_miss ' = 0
*/
struct dpni_qos_tbl_cfg {
u64 key_cfg_iova;
int discard_on_miss;
u8 default_tc;
};
int dpni_set_qos_table(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
const struct dpni_qos_tbl_cfg *cfg);
/**
* enum dpni_dest - DPNI destination types
* @ DPNI_DEST_NONE : Unassigned destination ; The queue is set in parked mode and
* does not generate FQDAN notifications ; user is expected to
* dequeue from the queue based on polling or other user - defined
* method
* @ DPNI_DEST_DPIO : The queue is set in schedule mode and generates FQDAN
* notifications to the specified DPIO ; user is expected to dequeue
* from the queue only after notification is received
* @ DPNI_DEST_DPCON : The queue is set in schedule mode and does not generate
* FQDAN notifications , but is connected to the specified DPCON
* object ; user is expected to dequeue from the DPCON channel
*/
enum dpni_dest {
DPNI_DEST_NONE = 0 ,
DPNI_DEST_DPIO = 1 ,
DPNI_DEST_DPCON = 2
};
/**
* struct dpni_queue - Queue structure
* @ destination : - Destination structure
* @ destination . id : ID of the destination , only relevant if DEST_TYPE is > 0 .
* Identifies either a DPIO or a DPCON object .
* Not relevant for Tx queues .
* @ destination . type : May be one of the following :
* 0 - No destination , queue can be manually
* queried , but will not push traffic or
* notifications to a DPIO ;
* 1 - The destination is a DPIO . When traffic
* becomes available in the queue a FQDAN
* ( FQ data available notification ) will be
* generated to selected DPIO ;
* 2 - The destination is a DPCON . The queue is
* associated with a DPCON object for the
* purpose of scheduling between multiple
* queues . The DPCON may be independently
* configured to generate notifications .
* Not relevant for Tx queues .
* @ destination . hold_active : Hold active , maintains a queue scheduled for longer
* in a DPIO during dequeue to reduce spread of traffic .
* Only relevant if queues are
* not affined to a single DPIO .
* @ user_context : User data , presented to the user along with any frames
* from this queue . Not relevant for Tx queues .
* @ flc : FD FLow Context structure
* @ flc . 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 .
* @ flc . 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 dpni_queue {
struct {
u16 id;
enum dpni_dest type;
char hold_active;
u8 priority;
} destination;
u64 user_context;
struct {
u64 value;
char stash_control;
} flc;
};
/**
* struct dpni_queue_id - Queue identification , used for enqueue commands
* or queue control
* @ fqid : FQID used for enqueueing to and / or configuration of this specific FQ
* @ qdbin : Queueing bin , used to enqueue using QDID , DQBIN , QPRI . Only relevant
* for Tx queues .
*/
struct dpni_queue_id {
u32 fqid;
u16 qdbin;
};
/* Set User Context */
#define DPNI_QUEUE_OPT_USER_CTX 0 x00000001
#define DPNI_QUEUE_OPT_DEST 0 x00000002
#define DPNI_QUEUE_OPT_FLC 0 x00000004
#define DPNI_QUEUE_OPT_HOLD_ACTIVE 0 x00000008
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);
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);
/**
* enum dpni_congestion_unit - DPNI congestion units
* @ DPNI_CONGESTION_UNIT_BYTES : bytes units
* @ DPNI_CONGESTION_UNIT_FRAMES : frames units
*/
enum dpni_congestion_unit {
DPNI_CONGESTION_UNIT_BYTES = 0 ,
DPNI_CONGESTION_UNIT_FRAMES
};
/**
* enum dpni_congestion_point - Structure representing congestion point
* @ DPNI_CP_QUEUE : Set taildrop per queue , identified by QUEUE_TYPE , TC and
* QUEUE_INDEX
* @ DPNI_CP_GROUP : Set taildrop per queue group . Depending on options used to
* define the DPNI this can be either per TC ( default ) or per
* interface ( DPNI_OPT_SHARED_CONGESTION set at DPNI create ) .
* QUEUE_INDEX is ignored if this type is used .
*/
enum dpni_congestion_point {
DPNI_CP_QUEUE,
DPNI_CP_GROUP,
};
/**
* struct dpni_dest_cfg - Structure representing DPNI destination parameters
* @ dest_type : Destination type
* @ dest_id : Either DPIO ID or DPCON ID , depending on the destination type
* @ priority : Priority selection within the DPIO or DPCON channel ; valid
* values are 0 - 1 or 0 - 7 , depending on the number of priorities
* in that channel ; not relevant for ' DPNI_DEST_NONE ' option
*/
struct dpni_dest_cfg {
enum dpni_dest dest_type;
int dest_id;
u8 priority;
};
/* DPNI congestion options */
/**
* DPNI_CONG_OPT_FLOW_CONTROL - 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 0 x00000040
/**
* struct dpni_congestion_notification_cfg - congestion notification
* configuration
* @ units : Units type
* @ threshold_entry : Above this threshold we enter a congestion state .
* set it to ' 0 ' to disable it
* @ threshold_exit : Below this threshold we exit the congestion state .
* @ message_ctx : The context that will be part of the CSCN message
* @ message_iova : I / O virtual address ( must be in DMA - able memory ) ,
* must be 16 B aligned ; valid only if ' DPNI_CONG_OPT_WRITE_MEM_ < X > '
* is contained in ' options '
* @ dest_cfg : CSCN can be send to either DPIO or DPCON WQ channel
* @ notification_mode : Mask of available options ; use ' DPNI_CONG_OPT_ < X > ' values
*/
struct dpni_congestion_notification_cfg {
enum dpni_congestion_unit units;
u32 threshold_entry;
u32 threshold_exit;
u64 message_ctx;
u64 message_iova;
struct dpni_dest_cfg dest_cfg;
u16 notification_mode;
};
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_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 .
* @ 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 .
*/
struct dpni_taildrop {
char enable;
enum dpni_congestion_unit units;
u32 threshold;
};
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 q_type,
u8 tc,
u8 q_index,
struct dpni_taildrop *taildrop);
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 q_type,
u8 tc,
u8 q_index,
struct dpni_taildrop *taildrop);
/**
* struct dpni_rule_cfg - Rule configuration for table lookup
* @ key_iova : I / O virtual address of the key ( must be in DMA - able memory )
* @ mask_iova : I / O virtual address of the mask ( must be in DMA - able memory )
* @ key_size : key and mask size ( in bytes )
*/
struct dpni_rule_cfg {
u64 key_iova;
u64 mask_iova;
u8 key_size;
};
/**
* DPNI_FS_OPT_DISCARD - Discard matching traffic . If set , this takes
* precedence over any other configuration and matching traffic is always
* discarded .
*/
#define DPNI_FS_OPT_DISCARD 0 x1
/**
* DPNI_FS_OPT_SET_FLC - Set FLC value . If set , flc member of struct
* dpni_fs_action_cfg is used to override the FLC value set per queue .
* For more details check the Frame Descriptor section in the hardware
* documentation .
*/
#define DPNI_FS_OPT_SET_FLC 0 x2
/**
* DPNI_FS_OPT_SET_STASH_CONTROL - Indicates whether the 6 lowest significant
* bits of FLC 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 ] .
* This flag is ignored if DPNI_FS_OPT_SET_FLC is not specified .
*/
#define DPNI_FS_OPT_SET_STASH_CONTROL 0 x4
/**
* struct dpni_fs_action_cfg - Action configuration for table look - up
* @ flc : FLC value for traffic matching this rule . Please check the
* Frame Descriptor section in the hardware documentation for
* more information .
* @ flow_id : Identifies the Rx queue used for matching traffic . Supported
* values are in range 0 to num_queue - 1 .
* @ options : Any combination of DPNI_FS_OPT_ values .
*/
struct dpni_fs_action_cfg {
u64 flc;
u16 flow_id;
u16 options;
};
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);
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);
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);
int dpni_remove_qos_entry(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
const struct dpni_rule_cfg *cfg);
int dpni_clear_qos_table(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token);
int dpni_get_api_version(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 *major_ver,
u16 *minor_ver);
/**
* struct dpni_tx_shaping_cfg - Structure representing DPNI tx shaping configuration
* @ rate_limit : Rate in Mbps
* @ max_burst_size : Burst size in bytes ( up to 64 KB )
*/
struct dpni_tx_shaping_cfg {
u32 rate_limit;
u16 max_burst_size;
};
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_single_step_cfg - configure single step PTP ( IEEE 1588 )
* @ en : enable single step PTP . When enabled the PTPv1 functionality
* will not work . If the field is zero , offset and ch_update
* parameters will be ignored
* @ offset : start offset from the beginning of the frame where
* timestamp field is found . The offset must respect all MAC
* headers , VLAN tags and other protocol headers
* @ ch_update : when set UDP checksum will be updated inside packet
* @ peer_delay : For peer - to - peer transparent clocks add this value to the
* correction field in addition to the transient time update .
* The value expresses nanoseconds .
* @ ptp_onestep_reg_base : 1588 SINGLE_STEP register base address . This address
* is used to update directly the register contents .
* User has to create an address mapping for it .
*
*
*/
struct dpni_single_step_cfg {
u8 en;
u8 ch_update;
u16 offset;
u32 peer_delay;
u32 ptp_onestep_reg_base;
};
int dpni_set_single_step_cfg(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
struct dpni_single_step_cfg *ptp_cfg);
int dpni_get_single_step_cfg(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 token,
struct dpni_single_step_cfg *ptp_cfg);
int dpni_enable_vlan_filter(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
u32 en);
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);
int dpni_remove_vlan_id(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
u16 vlan_id);
#endif /* __FSL_DPNI_H */
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