1111 lines
34 KiB
C
1111 lines
34 KiB
C
/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
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/* Copyright 2013-2016 Freescale Semiconductor Inc.
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* Copyright 2016 NXP
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* Copyright 2020 NXP
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*/
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#ifndef __FSL_DPNI_H
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#define __FSL_DPNI_H
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#include "dpkg.h"
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struct fsl_mc_io;
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/* Data Path Network Interface API
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* Contains initialization APIs and runtime control APIs for DPNI
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*/
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/** General DPNI macros */
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/**
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* DPNI_MAX_TC - Maximum number of traffic classes
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*/
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#define DPNI_MAX_TC 8
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/**
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* DPNI_MAX_DPBP - Maximum number of buffer pools per DPNI
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*/
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#define DPNI_MAX_DPBP 8
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/**
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* DPNI_ALL_TCS - All traffic classes considered; see dpni_set_queue()
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*/
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#define DPNI_ALL_TCS (u8)(-1)
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/**
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* DPNI_ALL_TC_FLOWS - All flows within traffic class considered; see
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* dpni_set_queue()
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*/
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#define DPNI_ALL_TC_FLOWS (u16)(-1)
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/**
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* DPNI_NEW_FLOW_ID - Generate new flow ID; see dpni_set_queue()
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*/
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#define DPNI_NEW_FLOW_ID (u16)(-1)
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/**
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* DPNI_OPT_TX_FRM_RELEASE - Tx traffic is always released to a buffer pool on
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* transmit, there are no resources allocated to have the frames confirmed back
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* to the source after transmission.
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*/
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#define DPNI_OPT_TX_FRM_RELEASE 0x000001
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/**
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* DPNI_OPT_NO_MAC_FILTER - Disables support for MAC address filtering for
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* addresses other than primary MAC address. This affects both unicast and
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* multicast. Promiscuous mode can still be enabled/disabled for both unicast
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* and multicast. If promiscuous mode is disabled, only traffic matching the
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* primary MAC address will be accepted.
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*/
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#define DPNI_OPT_NO_MAC_FILTER 0x000002
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/**
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* DPNI_OPT_HAS_POLICING - Allocate policers for this DPNI. They can be used to
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* rate-limit traffic per traffic class (TC) basis.
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*/
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#define DPNI_OPT_HAS_POLICING 0x000004
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/**
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* DPNI_OPT_SHARED_CONGESTION - Congestion can be managed in several ways,
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* allowing the buffer pool to deplete on ingress, taildrop on each queue or
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* use congestion groups for sets of queues. If set, it configures a single
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* congestion groups across all TCs. If reset, a congestion group is allocated
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* for each TC. Only relevant if the DPNI has multiple traffic classes.
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*/
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#define DPNI_OPT_SHARED_CONGESTION 0x000008
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/**
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* DPNI_OPT_HAS_KEY_MASKING - Enables TCAM for Flow Steering and QoS look-ups.
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* If not specified, all look-ups are exact match. Note that TCAM is not
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* available on LS1088 and its variants. Setting this bit on these SoCs will
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* trigger an error.
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*/
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#define DPNI_OPT_HAS_KEY_MASKING 0x000010
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/**
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* DPNI_OPT_NO_FS - Disables the flow steering table.
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*/
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#define DPNI_OPT_NO_FS 0x000020
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/**
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* DPNI_OPT_SHARED_FS - Flow steering table is shared between all traffic
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* classes
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*/
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#define DPNI_OPT_SHARED_FS 0x001000
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int dpni_open(struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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int dpni_id,
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u16 *token);
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int dpni_close(struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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u16 token);
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/**
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* struct dpni_pools_cfg - Structure representing buffer pools configuration
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* @num_dpbp: Number of DPBPs
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* @pools: Array of buffer pools parameters; The number of valid entries
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* must match 'num_dpbp' value
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* @pools.dpbp_id: DPBP object ID
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* @pools.buffer_size: Buffer size
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* @pools.backup_pool: Backup pool
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*/
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struct dpni_pools_cfg {
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u8 num_dpbp;
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struct {
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int dpbp_id;
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u16 buffer_size;
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int backup_pool;
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} pools[DPNI_MAX_DPBP];
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};
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int dpni_set_pools(struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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u16 token,
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const struct dpni_pools_cfg *cfg);
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int dpni_enable(struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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u16 token);
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int dpni_disable(struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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u16 token);
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int dpni_is_enabled(struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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u16 token,
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int *en);
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int dpni_reset(struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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u16 token);
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/* DPNI IRQ Index and Events */
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#define DPNI_IRQ_INDEX 0
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/* DPNI_IRQ_EVENT_LINK_CHANGED - indicates a change in link state */
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#define DPNI_IRQ_EVENT_LINK_CHANGED 0x00000001
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/* DPNI_IRQ_EVENT_ENDPOINT_CHANGED - indicates a change in endpoint */
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#define DPNI_IRQ_EVENT_ENDPOINT_CHANGED 0x00000002
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int dpni_set_irq_enable(struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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u16 token,
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u8 irq_index,
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u8 en);
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int dpni_get_irq_enable(struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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u16 token,
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u8 irq_index,
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u8 *en);
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int dpni_set_irq_mask(struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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u16 token,
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u8 irq_index,
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u32 mask);
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int dpni_get_irq_mask(struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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u16 token,
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u8 irq_index,
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u32 *mask);
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int dpni_get_irq_status(struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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u16 token,
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u8 irq_index,
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u32 *status);
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int dpni_clear_irq_status(struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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u16 token,
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u8 irq_index,
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u32 status);
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/**
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* struct dpni_attr - Structure representing DPNI attributes
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* @options: Any combination of the following options:
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* DPNI_OPT_TX_FRM_RELEASE
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* DPNI_OPT_NO_MAC_FILTER
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* DPNI_OPT_HAS_POLICING
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* DPNI_OPT_SHARED_CONGESTION
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* DPNI_OPT_HAS_KEY_MASKING
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* DPNI_OPT_NO_FS
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* @num_queues: Number of Tx and Rx queues used for traffic distribution.
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* @num_tcs: Number of traffic classes (TCs), reserved for the DPNI.
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* @mac_filter_entries: Number of entries in the MAC address filtering table.
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* @vlan_filter_entries: Number of entries in the VLAN address filtering table.
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* @qos_entries: Number of entries in the QoS classification table.
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* @fs_entries: Number of entries in the flow steering table.
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* @qos_key_size: Size, in bytes, of the QoS look-up key. Defining a key larger
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* than this when adding QoS entries will result in an error.
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* @fs_key_size: Size, in bytes, of the flow steering look-up key. Defining a
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* key larger than this when composing the hash + FS key will
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* result in an error.
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* @wriop_version: Version of WRIOP HW block. The 3 version values are stored
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* on 6, 5, 5 bits respectively.
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*/
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struct dpni_attr {
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u32 options;
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u8 num_queues;
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u8 num_tcs;
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u8 mac_filter_entries;
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u8 vlan_filter_entries;
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u8 qos_entries;
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u16 fs_entries;
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u8 qos_key_size;
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u8 fs_key_size;
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u16 wriop_version;
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};
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int dpni_get_attributes(struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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u16 token,
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struct dpni_attr *attr);
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/* DPNI errors */
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/**
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* DPNI_ERROR_EOFHE - Extract out of frame header error
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*/
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#define DPNI_ERROR_EOFHE 0x00020000
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/**
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* DPNI_ERROR_FLE - Frame length error
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*/
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#define DPNI_ERROR_FLE 0x00002000
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/**
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* DPNI_ERROR_FPE - Frame physical error
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*/
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#define DPNI_ERROR_FPE 0x00001000
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/**
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* DPNI_ERROR_PHE - Parsing header error
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*/
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#define DPNI_ERROR_PHE 0x00000020
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/**
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* DPNI_ERROR_L3CE - Parser L3 checksum error
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*/
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#define DPNI_ERROR_L3CE 0x00000004
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/**
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* DPNI_ERROR_L4CE - Parser L3 checksum error
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*/
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#define DPNI_ERROR_L4CE 0x00000001
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/**
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* enum dpni_error_action - Defines DPNI behavior for errors
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* @DPNI_ERROR_ACTION_DISCARD: Discard the frame
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* @DPNI_ERROR_ACTION_CONTINUE: Continue with the normal flow
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* @DPNI_ERROR_ACTION_SEND_TO_ERROR_QUEUE: Send the frame to the error queue
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*/
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enum dpni_error_action {
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DPNI_ERROR_ACTION_DISCARD = 0,
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DPNI_ERROR_ACTION_CONTINUE = 1,
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DPNI_ERROR_ACTION_SEND_TO_ERROR_QUEUE = 2
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};
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/**
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* struct dpni_error_cfg - Structure representing DPNI errors treatment
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* @errors: Errors mask; use 'DPNI_ERROR__<X>
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* @error_action: The desired action for the errors mask
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* @set_frame_annotation: Set to '1' to mark the errors in frame annotation
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* status (FAS); relevant only for the non-discard action
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*/
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struct dpni_error_cfg {
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u32 errors;
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enum dpni_error_action error_action;
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int set_frame_annotation;
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};
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int dpni_set_errors_behavior(struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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u16 token,
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struct dpni_error_cfg *cfg);
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/* DPNI buffer layout modification options */
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/**
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* DPNI_BUF_LAYOUT_OPT_TIMESTAMP - Select to modify the time-stamp setting
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*/
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#define DPNI_BUF_LAYOUT_OPT_TIMESTAMP 0x00000001
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/**
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* DPNI_BUF_LAYOUT_OPT_PARSER_RESULT - Select to modify the parser-result
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* setting; not applicable for Tx
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*/
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#define DPNI_BUF_LAYOUT_OPT_PARSER_RESULT 0x00000002
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/**
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* DPNI_BUF_LAYOUT_OPT_FRAME_STATUS - Select to modify the frame-status setting
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*/
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#define DPNI_BUF_LAYOUT_OPT_FRAME_STATUS 0x00000004
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/**
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* DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE - Select to modify the private-data-size setting
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*/
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#define DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE 0x00000008
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/**
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* DPNI_BUF_LAYOUT_OPT_DATA_ALIGN - Select to modify the data-alignment setting
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*/
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#define DPNI_BUF_LAYOUT_OPT_DATA_ALIGN 0x00000010
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/**
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* DPNI_BUF_LAYOUT_OPT_DATA_HEAD_ROOM - Select to modify the data-head-room setting
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*/
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#define DPNI_BUF_LAYOUT_OPT_DATA_HEAD_ROOM 0x00000020
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/**
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* DPNI_BUF_LAYOUT_OPT_DATA_TAIL_ROOM - Select to modify the data-tail-room setting
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*/
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#define DPNI_BUF_LAYOUT_OPT_DATA_TAIL_ROOM 0x00000040
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/**
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* struct dpni_buffer_layout - Structure representing DPNI buffer layout
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* @options: Flags representing the suggested modifications to the buffer
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* layout; Use any combination of 'DPNI_BUF_LAYOUT_OPT_<X>' flags
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* @pass_timestamp: Pass timestamp value
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* @pass_parser_result: Pass parser results
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* @pass_frame_status: Pass frame status
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* @private_data_size: Size kept for private data (in bytes)
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* @data_align: Data alignment
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* @data_head_room: Data head room
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* @data_tail_room: Data tail room
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*/
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struct dpni_buffer_layout {
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u32 options;
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int pass_timestamp;
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int pass_parser_result;
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int pass_frame_status;
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u16 private_data_size;
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u16 data_align;
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u16 data_head_room;
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u16 data_tail_room;
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};
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/**
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* enum dpni_queue_type - Identifies a type of queue targeted by the command
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* @DPNI_QUEUE_RX: Rx queue
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* @DPNI_QUEUE_TX: Tx queue
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* @DPNI_QUEUE_TX_CONFIRM: Tx confirmation queue
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* @DPNI_QUEUE_RX_ERR: Rx error queue
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*/
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enum dpni_queue_type {
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DPNI_QUEUE_RX,
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DPNI_QUEUE_TX,
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DPNI_QUEUE_TX_CONFIRM,
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DPNI_QUEUE_RX_ERR,
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};
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int dpni_get_buffer_layout(struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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u16 token,
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enum dpni_queue_type qtype,
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struct dpni_buffer_layout *layout);
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int dpni_set_buffer_layout(struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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u16 token,
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enum dpni_queue_type qtype,
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const struct dpni_buffer_layout *layout);
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/**
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* enum dpni_offload - Identifies a type of offload targeted by the command
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* @DPNI_OFF_RX_L3_CSUM: Rx L3 checksum validation
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* @DPNI_OFF_RX_L4_CSUM: Rx L4 checksum validation
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* @DPNI_OFF_TX_L3_CSUM: Tx L3 checksum generation
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* @DPNI_OFF_TX_L4_CSUM: Tx L4 checksum generation
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*/
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enum dpni_offload {
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DPNI_OFF_RX_L3_CSUM,
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DPNI_OFF_RX_L4_CSUM,
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DPNI_OFF_TX_L3_CSUM,
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DPNI_OFF_TX_L4_CSUM,
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};
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int dpni_set_offload(struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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u16 token,
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enum dpni_offload type,
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u32 config);
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int dpni_get_offload(struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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u16 token,
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enum dpni_offload type,
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u32 *config);
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int dpni_get_qdid(struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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u16 token,
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enum dpni_queue_type qtype,
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u16 *qdid);
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int dpni_get_tx_data_offset(struct fsl_mc_io *mc_io,
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u32 cmd_flags,
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u16 token,
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u16 *data_offset);
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#define DPNI_STATISTICS_CNT 7
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/**
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* union dpni_statistics - Union describing the DPNI statistics
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* @page_0: Page_0 statistics structure
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* @page_0.ingress_all_frames: Ingress frame count
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* @page_0.ingress_all_bytes: Ingress byte count
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* @page_0.ingress_multicast_frames: Ingress multicast frame count
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* @page_0.ingress_multicast_bytes: Ingress multicast byte count
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* @page_0.ingress_broadcast_frames: Ingress broadcast frame count
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* @page_0.ingress_broadcast_bytes: Ingress broadcast byte count
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* @page_1: Page_1 statistics structure
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* @page_1.egress_all_frames: Egress frame count
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* @page_1.egress_all_bytes: Egress byte count
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* @page_1.egress_multicast_frames: Egress multicast frame count
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* @page_1.egress_multicast_bytes: Egress multicast byte count
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* @page_1.egress_broadcast_frames: Egress broadcast frame count
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* @page_1.egress_broadcast_bytes: Egress broadcast byte count
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* @page_2: Page_2 statistics structure
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* @page_2.ingress_filtered_frames: Ingress filtered frame count
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* @page_2.ingress_discarded_frames: Ingress discarded frame count
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* @page_2.ingress_nobuffer_discards: Ingress discarded frame count due to
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* lack of buffers
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* @page_2.egress_discarded_frames: Egress discarded frame count
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* @page_2.egress_confirmed_frames: Egress confirmed frame count
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* @page_3: Page_3 statistics structure
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* @page_3.egress_dequeue_bytes: Cumulative count of the number of bytes
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* dequeued from egress FQs
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* @page_3.egress_dequeue_frames: Cumulative count of the number of frames
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* dequeued from egress FQs
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* @page_3.egress_reject_bytes: Cumulative count of the number of bytes in
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* egress frames whose enqueue was rejected
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* @page_3.egress_reject_frames: Cumulative count of the number of egress
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* frames whose enqueue was rejected
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* @page_4: Page_4 statistics structure: congestion points
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* @page_4.cgr_reject_frames: number of rejected frames due to congestion point
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* @page_4.cgr_reject_bytes: number of rejected bytes due to congestion point
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* @page_5: Page_5 statistics structure: policer
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* @page_5.policer_cnt_red: NUmber of red colored frames
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* @page_5.policer_cnt_yellow: number of yellow colored frames
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* @page_5.policer_cnt_green: number of green colored frames
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* @page_5.policer_cnt_re_red: number of recolored red frames
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* @page_5.policer_cnt_re_yellow: number of recolored yellow frames
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* @page_6: Page_6 statistics structure
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* @page_6.tx_pending_frames: total number of frames pending in egress FQs
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* @raw: raw statistics structure, used to index counters
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*/
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union dpni_statistics {
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struct {
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u64 ingress_all_frames;
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u64 ingress_all_bytes;
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u64 ingress_multicast_frames;
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u64 ingress_multicast_bytes;
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u64 ingress_broadcast_frames;
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u64 ingress_broadcast_bytes;
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} page_0;
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struct {
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u64 egress_all_frames;
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u64 egress_all_bytes;
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u64 egress_multicast_frames;
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u64 egress_multicast_bytes;
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u64 egress_broadcast_frames;
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u64 egress_broadcast_bytes;
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} page_1;
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struct {
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u64 ingress_filtered_frames;
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u64 ingress_discarded_frames;
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u64 ingress_nobuffer_discards;
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u64 egress_discarded_frames;
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u64 egress_confirmed_frames;
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} page_2;
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struct {
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u64 egress_dequeue_bytes;
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u64 egress_dequeue_frames;
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|
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 0x0000000000000001ULL
|
|
#define DPNI_LINK_OPT_HALF_DUPLEX 0x0000000000000002ULL
|
|
#define DPNI_LINK_OPT_PAUSE 0x0000000000000004ULL
|
|
#define DPNI_LINK_OPT_ASYM_PAUSE 0x0000000000000008ULL
|
|
#define DPNI_LINK_OPT_PFC_PAUSE 0x0000000000000010ULL
|
|
|
|
/**
|
|
* 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 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_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 0x00000040
|
|
|
|
/**
|
|
* 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 16B 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 0x1
|
|
|
|
/**
|
|
* 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 0x2
|
|
|
|
/**
|
|
* 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 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_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 64KB)
|
|
*/
|
|
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 */
|