| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Ioana Radulescu | 1712 | 99.71% | 5 | 71.43% |
| Ioana Ciornei | 5 | 0.29% | 2 | 28.57% |
| Total | 1717 | 7 |
/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */ /* Copyright 2013-2016 Freescale Semiconductor Inc. * Copyright 2016 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 */ /** * Maximum number of traffic classes */ #define DPNI_MAX_TC 8 /** * Maximum number of buffer pools per DPNI */ #define DPNI_MAX_DPBP 8 /** * All traffic classes considered; see dpni_set_queue() */ #define DPNI_ALL_TCS (u8)(-1) /** * All flows within traffic class considered; see dpni_set_queue() */ #define DPNI_ALL_TC_FLOWS (u16)(-1) /** * Generate new flow ID; see dpni_set_queue() */ #define DPNI_NEW_FLOW_ID (u16)(-1) /** * 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 0x000001 /** * 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 0x000002 /** * Allocate policers for this DPNI. They can be used to rate-limit traffic per * traffic class (TC) basis. */ #define DPNI_OPT_HAS_POLICING 0x000004 /** * 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 0x000008 /** * 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 0x000010 /** * Disables the flow steering table. */ #define DPNI_OPT_NO_FS 0x000020 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); /** * 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 * @pools.dpbp_id: DPBP object ID * @pools.buffer_size: Buffer size * @pools.backup_pool: Backup pool */ struct dpni_pools_cfg { u8 num_dpbp; struct { int dpbp_id; 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 */ /** * IRQ index */ #define DPNI_IRQ_INDEX 0 /** * IRQ event - indicates a change in link state */ #define DPNI_IRQ_EVENT_LINK_CHANGED 0x00000001 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 */ /** * Extract out of frame header error */ #define DPNI_ERROR_EOFHE 0x00020000 /** * Frame length error */ #define DPNI_ERROR_FLE 0x00002000 /** * Frame physical error */ #define DPNI_ERROR_FPE 0x00001000 /** * Parsing header error */ #define DPNI_ERROR_PHE 0x00000020 /** * Parser L3 checksum error */ #define DPNI_ERROR_L3CE 0x00000004 /** * Parser L3 checksum error */ #define DPNI_ERROR_L4CE 0x00000001 /** * 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 */ /** * Select to modify the time-stamp setting */ #define DPNI_BUF_LAYOUT_OPT_TIMESTAMP 0x00000001 /** * Select to modify the parser-result setting; not applicable for Tx */ #define DPNI_BUF_LAYOUT_OPT_PARSER_RESULT 0x00000002 /** * Select to modify the frame-status setting */ #define DPNI_BUF_LAYOUT_OPT_FRAME_STATUS 0x00000004 /** * Select to modify the private-data-size setting */ #define DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE 0x00000008 /** * Select to modify the data-alignment setting */ #define DPNI_BUF_LAYOUT_OPT_DATA_ALIGN 0x00000010 /** * Select to modify the data-head-room setting */ #define DPNI_BUF_LAYOUT_OPT_DATA_HEAD_ROOM 0x00000020 /** * Select to modify the data-tail-room setting */ #define DPNI_BUF_LAYOUT_OPT_DATA_TAIL_ROOM 0x00000040 /** * 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 * @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 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); /** * Enable auto-negotiation */ #define DPNI_LINK_OPT_AUTONEG 0x0000000000000001ULL /** * Enable half-duplex mode */ #define DPNI_LINK_OPT_HALF_DUPLEX 0x0000000000000002ULL /** * Enable pause frames */ #define DPNI_LINK_OPT_PAUSE 0x0000000000000004ULL /** * Enable a-symmetric pause frames */ #define DPNI_LINK_OPT_ASYM_PAUSE 0x0000000000000008ULL /** * struct - 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); /** * 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); /** * 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); /** * 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 0x00000001 #define DPNI_QUEUE_OPT_DEST 0x00000002 #define DPNI_QUEUE_OPT_FLC 0x00000004 #define DPNI_QUEUE_OPT_HOLD_ACTIVE 0x00000008 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_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; }; /** * Discard matching traffic. If set, this takes precedence over any other * configuration and matching traffic is always discarded. */ #define DPNI_FS_OPT_DISCARD 0x1 /** * 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 0x2 /** * 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 0x4 /** * 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_get_api_version(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 *major_ver, u16 *minor_ver); #endif /* __FSL_DPNI_H */
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