1169 lines
36 KiB
C
1169 lines
36 KiB
C
/*-
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* BSD LICENSE
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*
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* Copyright 2013-2016 Freescale Semiconductor Inc.
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* Copyright 2016-2017 NXP.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the above-listed copyright holders nor the
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* names of any contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* GPL LICENSE SUMMARY
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*
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* ALTERNATIVELY, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") as published by the Free Software
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* Foundation, either version 2 of that License or (at your option) any
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* later version.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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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 <fsl_dpkg.h>
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struct fsl_mc_io;
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/**
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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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* 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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* 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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* Maximum number of storage-profiles per DPNI
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*/
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#define DPNI_MAX_SP 2
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/**
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* All traffic classes considered; see dpni_set_queue()
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*/
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#define DPNI_ALL_TCS (uint8_t)(-1)
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/**
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* All flows within traffic class considered; see dpni_set_queue()
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*/
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#define DPNI_ALL_TC_FLOWS (uint16_t)(-1)
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/**
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* Tx traffic is always released to a buffer pool on transmit, there are no
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* resources allocated to have the frames confirmed back to the source after
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* transmission.
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*/
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#define DPNI_OPT_TX_FRM_RELEASE 0x000001
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/**
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* Disables support for MAC address filtering for addresses other than primary
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* MAC address. This affects both unicast and multicast. Promiscuous mode can
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* still be enabled/disabled for both unicast and multicast. If promiscuous mode
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* is disabled, only traffic matching the 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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* Allocate policers for this DPNI. They can be used to rate-limit traffic per
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* 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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* Congestion can be managed in several ways, allowing the buffer pool to
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* deplete on ingress, taildrop on each queue or use congestion groups for sets
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* of queues. If set, it configures a single congestion groups across all TCs.
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* If reset, a congestion group is allocated for each TC. Only relevant if the
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* 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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* Enables TCAM for Flow Steering and QoS look-ups. If not specified, all
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* look-ups are exact match. Note that TCAM is not available on LS1088 and its
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* variants. Setting this bit on these SoCs will 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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* Disables the flow steering table.
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*/
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#define DPNI_OPT_NO_FS 0x000020
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int dpni_open(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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int dpni_id,
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uint16_t *token);
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int dpni_close(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token);
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/**
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* struct dpni_cfg - Structure representing DPNI configuration
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* @mac_addr: Primary MAC address
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* @adv: Advanced parameters; default is all zeros;
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* use this structure to change default settings
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*/
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struct dpni_cfg {
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/**
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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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* @fs_entries: Number of entries in the flow steering table.
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* This table is used to select the ingress queue for
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* ingress traffic, targeting a GPP core or another.
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* In addition it can be used to discard traffic that
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* matches the set rule. It is either an exact match table
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* or a TCAM table, depending on DPNI_OPT_ HAS_KEY_MASKING
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* bit in OPTIONS field. This field is ignored if
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* DPNI_OPT_NO_FS bit is set in OPTIONS field. Otherwise,
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* value 0 defaults to 64. Maximum supported value is 1024.
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* Note that the total number of entries is limited on the
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* SoC to as low as 512 entries if TCAM is used.
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* @vlan_filter_entries: Number of entries in the VLAN address filtering
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* table. This is an exact match table used to filter
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* ingress traffic based on VLAN IDs. Value 0 disables VLAN
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* filtering. Maximum supported value is 16.
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* @mac_filter_entries: Number of entries in the MAC address filtering
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* table. This is an exact match table and allows both
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* unicast and multicast entries. The primary MAC address
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* of the network interface is not part of this table,
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* this contains only entries in addition to it. This
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* field is ignored if DPNI_OPT_ NO_MAC_FILTER is set in
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* OPTIONS field. Otherwise, value 0 defaults to 80.
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* Maximum supported value is 80.
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* @num_queues: Number of Tx and Rx queues used for traffic
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* distribution. This is orthogonal to QoS and is only
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* used to distribute traffic to multiple GPP cores.
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* This configuration affects the number of Tx queues
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* (logical FQs, all associated with a single CEETM queue),
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* Rx queues and Tx confirmation queues, if applicable.
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* Value 0 defaults to one queue. Maximum supported value
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* is 8.
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* @num_tcs: Number of traffic classes (TCs), reserved for the DPNI.
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* TCs can have different priority levels for the purpose
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* of Tx scheduling (see DPNI_SET_TX_SELECTION), different
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* BPs (DPNI_ SET_POOLS), policers. There are dedicated QM
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* queues for traffic classes (including class queues on
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* Tx). Value 0 defaults to one TC. Maximum supported value
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* is 8.
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* @qos_entries: Number of entries in the QoS classification table. This
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* table is used to select the TC for ingress traffic. It
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* is either an exact match or a TCAM table, depending on
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* DPNI_OPT_ HAS_KEY_MASKING bit in OPTIONS field. This
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* field is ignored if the DPNI has a single TC. Otherwise,
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* a value of 0 defaults to 64. Maximum supported value
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* is 64.
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*/
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uint32_t options;
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uint16_t fs_entries;
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uint8_t vlan_filter_entries;
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uint8_t mac_filter_entries;
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uint8_t num_queues;
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uint8_t num_tcs;
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uint8_t qos_entries;
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};
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int dpni_create(struct fsl_mc_io *mc_io,
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uint16_t dprc_token,
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uint32_t cmd_flags,
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const struct dpni_cfg *cfg,
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uint32_t *obj_id);
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int dpni_destroy(struct fsl_mc_io *mc_io,
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uint16_t dprc_token,
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uint32_t cmd_flags,
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uint32_t object_id);
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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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*/
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struct dpni_pools_cfg {
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uint8_t num_dpbp;
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/**
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* struct pools - Buffer pools parameters
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* @dpbp_id: DPBP object ID
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* @priority: priority mask that indicates TC's used with this buffer.
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* I set to 0x00 MC will assume value 0xff.
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* @buffer_size: Buffer size
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* @backup_pool: Backup pool
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*/
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struct {
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int dpbp_id;
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uint8_t priority_mask;
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uint16_t 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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uint32_t cmd_flags,
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uint16_t 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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uint32_t cmd_flags,
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uint16_t token);
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int dpni_disable(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token);
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int dpni_is_enabled(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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int *en);
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int dpni_reset(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token);
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/**
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* DPNI IRQ Index and Events
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*/
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/**
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* IRQ index
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*/
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#define DPNI_IRQ_INDEX 0
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/**
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* IRQ event - indicates a change in link state
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*/
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#define DPNI_IRQ_EVENT_LINK_CHANGED 0x00000001
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int dpni_set_irq_enable(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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uint8_t irq_index,
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uint8_t en);
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int dpni_get_irq_enable(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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uint8_t irq_index,
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uint8_t *en);
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int dpni_set_irq_mask(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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uint8_t irq_index,
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uint32_t mask);
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int dpni_get_irq_mask(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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uint8_t irq_index,
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uint32_t *mask);
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int dpni_get_irq_status(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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uint8_t irq_index,
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uint32_t *status);
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int dpni_clear_irq_status(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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uint8_t irq_index,
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uint32_t 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_rx_tcs: Number of RX traffic classes (TCs), reserved for the DPNI.
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* @num_tx_tcs: Number of TX traffic classes (TCs), reserved for the DPNI.
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* @mac_filter_entries: Number of entries in the MAC address filtering
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* table.
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* @vlan_filter_entries: Number of entries in the VLAN address filtering
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* 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
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* 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
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* will result in an error.
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* @wriop_version: Version of WRIOP HW block.
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* The 3 version values are stored on 6, 5, 5 bits
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* respectively.
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* Values returned:
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* - 0x400 - WRIOP version 1.0.0, used on LS2080 and
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* variants,
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* - 0x421 - WRIOP version 1.1.1, used on LS2088 and
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* variants,
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* - 0x422 - WRIOP version 1.1.2, used on LS1088 and
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* variants.
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*/
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struct dpni_attr {
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uint32_t options;
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uint8_t num_queues;
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uint8_t num_rx_tcs;
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uint8_t num_tx_tcs;
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uint8_t mac_filter_entries;
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uint8_t vlan_filter_entries;
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uint8_t qos_entries;
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uint16_t fs_entries;
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uint8_t qos_key_size;
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uint8_t fs_key_size;
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uint16_t wriop_version;
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};
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int dpni_get_attributes(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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struct dpni_attr *attr);
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/**
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* DPNI errors
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*/
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/**
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* 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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* Frame length error
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*/
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#define DPNI_ERROR_FLE 0x00002000
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/**
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* Frame physical error
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*/
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#define DPNI_ERROR_FPE 0x00001000
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/**
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* Parsing header error
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*/
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#define DPNI_ERROR_PHE 0x00000020
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/**
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* 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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* 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
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* annotation status (FAS); relevant only
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* for the non-discard action
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*/
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struct dpni_error_cfg {
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uint32_t 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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uint32_t cmd_flags,
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uint16_t token,
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struct dpni_error_cfg *cfg);
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/**
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* DPNI buffer layout modification options
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*/
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/**
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* 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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* Select to modify the parser-result 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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* 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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* 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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* 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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* 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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* 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
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* buffer layout;
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* 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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uint32_t 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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uint16_t private_data_size;
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uint16_t data_align;
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uint16_t data_head_room;
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uint16_t 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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uint32_t cmd_flags,
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uint16_t 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,
|
|
uint32_t cmd_flags,
|
|
uint16_t 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
|
|
* @DPNI_OPT_FLCTYPE_HASH: flow context will be generated by WRIOP for AIOP or
|
|
* for CPU
|
|
*/
|
|
enum dpni_offload {
|
|
DPNI_OFF_RX_L3_CSUM,
|
|
DPNI_OFF_RX_L4_CSUM,
|
|
DPNI_OFF_TX_L3_CSUM,
|
|
DPNI_OFF_TX_L4_CSUM,
|
|
DPNI_FLCTYPE_HASH,
|
|
};
|
|
|
|
int dpni_set_offload(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
enum dpni_offload type,
|
|
uint32_t config);
|
|
|
|
int dpni_get_offload(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
enum dpni_offload type,
|
|
uint32_t *config);
|
|
|
|
int dpni_get_qdid(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
enum dpni_queue_type qtype,
|
|
uint16_t *qdid);
|
|
|
|
int dpni_get_tx_data_offset(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
uint16_t *data_offset);
|
|
|
|
#define DPNI_STATISTICS_CNT 7
|
|
|
|
union dpni_statistics {
|
|
/**
|
|
* struct page_0 - Page_0 statistics structure
|
|
* @ingress_all_frames: Ingress frame count
|
|
* @ingress_all_bytes: Ingress byte count
|
|
* @ingress_multicast_frames: Ingress multicast frame count
|
|
* @ingress_multicast_bytes: Ingress multicast byte count
|
|
* @ingress_broadcast_frames: Ingress broadcast frame count
|
|
* @ingress_broadcast_bytes: Ingress broadcast byte count
|
|
*/
|
|
struct {
|
|
uint64_t ingress_all_frames;
|
|
uint64_t ingress_all_bytes;
|
|
uint64_t ingress_multicast_frames;
|
|
uint64_t ingress_multicast_bytes;
|
|
uint64_t ingress_broadcast_frames;
|
|
uint64_t ingress_broadcast_bytes;
|
|
} page_0;
|
|
/**
|
|
* struct page_1 - Page_1 statistics structure
|
|
* @egress_all_frames: Egress frame count
|
|
* @egress_all_bytes: Egress byte count
|
|
* @egress_multicast_frames: Egress multicast frame count
|
|
* @egress_multicast_bytes: Egress multicast byte count
|
|
* @egress_broadcast_frames: Egress broadcast frame count
|
|
* @egress_broadcast_bytes: Egress broadcast byte count
|
|
*/
|
|
struct {
|
|
uint64_t egress_all_frames;
|
|
uint64_t egress_all_bytes;
|
|
uint64_t egress_multicast_frames;
|
|
uint64_t egress_multicast_bytes;
|
|
uint64_t egress_broadcast_frames;
|
|
uint64_t egress_broadcast_bytes;
|
|
} page_1;
|
|
/**
|
|
* struct page_2 - Page_2 statistics structure
|
|
* @ingress_filtered_frames: Ingress filtered frame count
|
|
* @ingress_discarded_frames: Ingress discarded frame count
|
|
* @ingress_nobuffer_discards: Ingress discarded frame count due to
|
|
* lack of buffers
|
|
* @egress_discarded_frames: Egress discarded frame count
|
|
* @egress_confirmed_frames: Egress confirmed frame count
|
|
*/
|
|
struct {
|
|
uint64_t ingress_filtered_frames;
|
|
uint64_t ingress_discarded_frames;
|
|
uint64_t ingress_nobuffer_discards;
|
|
uint64_t egress_discarded_frames;
|
|
uint64_t egress_confirmed_frames;
|
|
} page_2;
|
|
/**
|
|
* struct page_3 - Page_3 statistics structure with values for the
|
|
* selected TC
|
|
* @ceetm_dequeue_bytes: Cumulative count of the number of bytes
|
|
* dequeued
|
|
* @ceetm_dequeue_frames: Cumulative count of the number of frames
|
|
* dequeued
|
|
* @ceetm_reject_bytes: Cumulative count of the number of bytes in all
|
|
* frames whose enqueue was rejected
|
|
* @ceetm_reject_frames: Cumulative count of all frame enqueues rejected
|
|
*/
|
|
struct {
|
|
uint64_t ceetm_dequeue_bytes;
|
|
uint64_t ceetm_dequeue_frames;
|
|
uint64_t ceetm_reject_bytes;
|
|
uint64_t ceetm_reject_frames;
|
|
} page_3;
|
|
/**
|
|
* struct raw - raw statistics structure, used to index counters
|
|
*/
|
|
struct {
|
|
uint64_t counter[DPNI_STATISTICS_CNT];
|
|
} raw;
|
|
};
|
|
|
|
/**
|
|
* 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
|
|
/**
|
|
* Enable priority flow control pause frames
|
|
*/
|
|
#define DPNI_LINK_OPT_PFC_PAUSE 0x0000000000000010ULL
|
|
|
|
/**
|
|
* struct - Structure representing DPNI link configuration
|
|
* @rate: Rate
|
|
* @options: Mask of available options; use 'DPNI_LINK_OPT_<X>' values
|
|
*/
|
|
struct dpni_link_cfg {
|
|
uint32_t rate;
|
|
uint64_t options;
|
|
};
|
|
|
|
int dpni_set_link_cfg(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
const struct dpni_link_cfg *cfg);
|
|
|
|
/**
|
|
* struct dpni_link_state - Structure representing DPNI link state
|
|
* @rate: Rate
|
|
* @options: Mask of available options; use 'DPNI_LINK_OPT_<X>' values
|
|
* @up: Link state; '0' for down, '1' for up
|
|
*/
|
|
struct dpni_link_state {
|
|
uint32_t rate;
|
|
uint64_t options;
|
|
int up;
|
|
};
|
|
|
|
int dpni_get_link_state(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
struct dpni_link_state *state);
|
|
|
|
int dpni_set_max_frame_length(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
uint16_t max_frame_length);
|
|
|
|
int dpni_get_max_frame_length(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
uint16_t *max_frame_length);
|
|
|
|
int dpni_set_mtu(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
uint16_t mtu);
|
|
|
|
int dpni_get_mtu(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
uint16_t *mtu);
|
|
|
|
int dpni_set_multicast_promisc(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
int en);
|
|
|
|
int dpni_get_multicast_promisc(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
int *en);
|
|
|
|
int dpni_set_unicast_promisc(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
int en);
|
|
|
|
int dpni_get_unicast_promisc(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
int *en);
|
|
|
|
int dpni_set_primary_mac_addr(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
const uint8_t mac_addr[6]);
|
|
|
|
int dpni_get_primary_mac_addr(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
uint8_t mac_addr[6]);
|
|
|
|
int dpni_add_mac_addr(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
const uint8_t mac_addr[6]);
|
|
|
|
int dpni_remove_mac_addr(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
const uint8_t mac_addr[6]);
|
|
|
|
int dpni_clear_mac_filters(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
int unicast,
|
|
int multicast);
|
|
|
|
int dpni_get_port_mac_addr(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
uint8_t mac_addr[6]);
|
|
|
|
int dpni_enable_vlan_filter(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
int en);
|
|
|
|
int dpni_add_vlan_id(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
uint16_t vlan_id);
|
|
|
|
int dpni_remove_vlan_id(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
uint16_t vlan_id);
|
|
|
|
int dpni_clear_vlan_filters(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token);
|
|
|
|
/**
|
|
* enum dpni_dist_mode - DPNI distribution mode
|
|
* @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;
|
|
uint16_t default_flow_id;
|
|
char keep_hash_key;
|
|
};
|
|
|
|
/**
|
|
* 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
|
|
* dpkg_prepare_key_cfg() relevant only when
|
|
* 'dist_mode != DPNI_DIST_MODE_NONE', otherwise it can be '0'
|
|
* @fs_cfg: Flow Steering table configuration; only relevant if
|
|
* 'dist_mode = DPNI_DIST_MODE_FS'
|
|
*/
|
|
struct dpni_rx_tc_dist_cfg {
|
|
uint16_t dist_size;
|
|
enum dpni_dist_mode dist_mode;
|
|
uint64_t key_cfg_iova;
|
|
struct dpni_fs_tbl_cfg fs_cfg;
|
|
};
|
|
|
|
int dpni_set_rx_tc_dist(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
uint8_t tc_id,
|
|
const struct dpni_rx_tc_dist_cfg *cfg);
|
|
|
|
/**
|
|
* enum dpni_congestion_unit - DPNI congestion units
|
|
* @DPNI_CONGESTION_UNIT_BYTES: bytes units
|
|
* @DPNI_CONGESTION_UNIT_FRAMES: frames units
|
|
*/
|
|
enum dpni_congestion_unit {
|
|
DPNI_CONGESTION_UNIT_BYTES = 0,
|
|
DPNI_CONGESTION_UNIT_FRAMES
|
|
};
|
|
|
|
|
|
/**
|
|
* 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_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;
|
|
uint8_t priority;
|
|
};
|
|
|
|
/* DPNI congestion options */
|
|
|
|
/**
|
|
* CSCN message is written to message_iova once entering a
|
|
* congestion state (see 'threshold_entry')
|
|
*/
|
|
#define DPNI_CONG_OPT_WRITE_MEM_ON_ENTER 0x00000001
|
|
/**
|
|
* CSCN message is written to message_iova once exiting a
|
|
* congestion state (see 'threshold_exit')
|
|
*/
|
|
#define DPNI_CONG_OPT_WRITE_MEM_ON_EXIT 0x00000002
|
|
/**
|
|
* CSCN write will attempt to allocate into a cache (coherent write);
|
|
* valid only if 'DPNI_CONG_OPT_WRITE_MEM_<X>' is selected
|
|
*/
|
|
#define DPNI_CONG_OPT_COHERENT_WRITE 0x00000004
|
|
/**
|
|
* if 'dest_cfg.dest_type != DPNI_DEST_NONE' CSCN message is sent to
|
|
* DPIO/DPCON's WQ channel once entering a congestion state
|
|
* (see 'threshold_entry')
|
|
*/
|
|
#define DPNI_CONG_OPT_NOTIFY_DEST_ON_ENTER 0x00000008
|
|
/**
|
|
* if 'dest_cfg.dest_type != DPNI_DEST_NONE' CSCN message is sent to
|
|
* DPIO/DPCON's WQ channel once exiting a congestion state
|
|
* (see 'threshold_exit')
|
|
*/
|
|
#define DPNI_CONG_OPT_NOTIFY_DEST_ON_EXIT 0x00000010
|
|
/**
|
|
* if 'dest_cfg.dest_type != DPNI_DEST_NONE' when the CSCN is written to the
|
|
* sw-portal's DQRR, the DQRI interrupt is asserted immediately (if enabled)
|
|
*/
|
|
#define DPNI_CONG_OPT_INTR_COALESCING_DISABLED 0x00000020
|
|
/**
|
|
* This congestion will trigger flow control or priority flow control. This
|
|
* will have effect only if flow control is enabled with dpni_set_link_cfg()
|
|
*/
|
|
#define DPNI_CONG_OPT_FLOW_CONTROL 0x00000040
|
|
|
|
/**
|
|
* struct dpni_congestion_notification_cfg - congestion notification
|
|
* 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;
|
|
uint32_t threshold_entry;
|
|
uint32_t threshold_exit;
|
|
uint64_t message_ctx;
|
|
uint64_t message_iova;
|
|
struct dpni_dest_cfg dest_cfg;
|
|
uint16_t notification_mode;
|
|
};
|
|
|
|
int dpni_set_congestion_notification(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
enum dpni_queue_type qtype,
|
|
uint8_t tc_id,
|
|
const struct dpni_congestion_notification_cfg *cfg);
|
|
|
|
int dpni_get_congestion_notification(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
enum dpni_queue_type qtype,
|
|
uint8_t tc_id,
|
|
struct dpni_congestion_notification_cfg *cfg);
|
|
|
|
/* DPNI FLC stash options */
|
|
|
|
/**
|
|
* stashes the whole annotation area (up to 192 bytes)
|
|
*/
|
|
#define DPNI_FLC_STASH_FRAME_ANNOTATION 0x00000001
|
|
|
|
/**
|
|
* struct dpni_queue - Queue structure
|
|
* @user_context: User data, presented to the user along with any frames
|
|
* from this queue. Not relevant for Tx queues.
|
|
*/
|
|
struct dpni_queue {
|
|
/**
|
|
* struct destination - Destination structure
|
|
* @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.
|
|
* @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.
|
|
* @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.
|
|
*/
|
|
struct {
|
|
uint16_t id;
|
|
enum dpni_dest type;
|
|
char hold_active;
|
|
uint8_t priority;
|
|
} destination;
|
|
uint64_t user_context;
|
|
/**
|
|
* struct flc - FD FLow Context structure
|
|
* @value: Default FLC value for traffic dequeued from
|
|
* this queue. Please check description of FD
|
|
* structure for more information.
|
|
* Note that FLC values set using dpni_add_fs_entry,
|
|
* if any, take precedence over values per queue.
|
|
* @stash_control: Boolean, indicates whether the 6 lowest
|
|
* - significant bits are used for stash control.
|
|
* significant bits are used for stash control. If set, the 6
|
|
* least significant bits in value are interpreted as follows:
|
|
* - bits 0-1: indicates the number of 64 byte units of context
|
|
* that are stashed. FLC value is interpreted as a memory address
|
|
* in this case, excluding the 6 LS bits.
|
|
* - bits 2-3: indicates the number of 64 byte units of frame
|
|
* annotation to be stashed. Annotation is placed at FD[ADDR].
|
|
* - bits 4-5: indicates the number of 64 byte units of frame
|
|
* data to be stashed. Frame data is placed at FD[ADDR] +
|
|
* FD[OFFSET].
|
|
* For more details check the Frame Descriptor section in the
|
|
* hardware documentation.
|
|
*/
|
|
struct {
|
|
uint64_t value;
|
|
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 {
|
|
uint32_t fqid;
|
|
uint16_t qdbin;
|
|
};
|
|
|
|
/**
|
|
* enum dpni_confirmation_mode - Defines DPNI options supported for Tx
|
|
* confirmation
|
|
* @DPNI_CONF_AFFINE: For each Tx queue set associated with a sender there is
|
|
* an affine Tx Confirmation queue
|
|
* @DPNI_CONF_SINGLE: All Tx queues are associated with a single Tx
|
|
* confirmation queue
|
|
* @DPNI_CONF_DISABLE: Tx frames are not confirmed. This must be associated
|
|
* with proper FD set-up to have buffers release to a Buffer Pool, otherwise
|
|
* buffers will be leaked
|
|
*/
|
|
enum dpni_confirmation_mode {
|
|
DPNI_CONF_AFFINE,
|
|
DPNI_CONF_SINGLE,
|
|
DPNI_CONF_DISABLE,
|
|
};
|
|
|
|
int dpni_set_tx_confirmation_mode(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
enum dpni_confirmation_mode mode);
|
|
|
|
int dpni_get_tx_confirmation_mode(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
enum dpni_confirmation_mode *mode);
|
|
|
|
int dpni_get_api_version(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t *major_ver,
|
|
uint16_t *minor_ver);
|
|
|
|
/**
|
|
* Set User Context
|
|
*/
|
|
#define DPNI_QUEUE_OPT_USER_CTX 0x00000001
|
|
|
|
/**
|
|
* Set queue destination configuration
|
|
*/
|
|
#define DPNI_QUEUE_OPT_DEST 0x00000002
|
|
|
|
/**
|
|
* Set FD[FLC] configuration for traffic on this queue. Note that FLC values
|
|
* set with dpni_add_fs_entry, if any, take precedence over values per queue.
|
|
*/
|
|
#define DPNI_QUEUE_OPT_FLC 0x00000004
|
|
|
|
/**
|
|
* Set the queue to hold active mode. This prevents the queue from being
|
|
* rescheduled between DPIOs while it carries traffic and is active on one
|
|
* DPNI. Can help reduce reordering when servicing one queue on multiple
|
|
* CPUs, but the queue is also less likely to push data to multiple CPUs
|
|
* especially when congested.
|
|
*/
|
|
#define DPNI_QUEUE_OPT_HOLD_ACTIVE 0x00000008
|
|
|
|
int dpni_set_queue(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
enum dpni_queue_type qtype,
|
|
uint8_t tc,
|
|
uint8_t index,
|
|
uint8_t options,
|
|
const struct dpni_queue *queue);
|
|
|
|
int dpni_get_queue(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
enum dpni_queue_type qtype,
|
|
uint8_t tc,
|
|
uint8_t index,
|
|
struct dpni_queue *queue,
|
|
struct dpni_queue_id *qid);
|
|
|
|
int dpni_get_statistics(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
uint8_t page,
|
|
uint8_t param,
|
|
union dpni_statistics *stat);
|
|
|
|
int dpni_reset_statistics(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token);
|
|
|
|
/**
|
|
* 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.
|
|
* @oal : Overhead Accounting Length, a 12-bit, 2's complement value
|
|
* with range (-2048 to +2047) representing a fixed per-frame
|
|
* overhead to be added to the actual length of a frame when
|
|
* performing WRED and tail drop calculations and threshold
|
|
* comparisons.
|
|
*/
|
|
struct dpni_taildrop {
|
|
char enable;
|
|
enum dpni_congestion_unit units;
|
|
uint32_t threshold;
|
|
int16_t oal;
|
|
};
|
|
|
|
int dpni_set_taildrop(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
enum dpni_congestion_point cg_point,
|
|
enum dpni_queue_type q_type,
|
|
uint8_t tc,
|
|
uint8_t q_index,
|
|
struct dpni_taildrop *taildrop);
|
|
|
|
int dpni_get_taildrop(struct fsl_mc_io *mc_io,
|
|
uint32_t cmd_flags,
|
|
uint16_t token,
|
|
enum dpni_congestion_point cg_point,
|
|
enum dpni_queue_type q_type,
|
|
uint8_t tc,
|
|
uint8_t q_index,
|
|
struct dpni_taildrop *taildrop);
|
|
#endif /* __FSL_DPNI_H */
|