f6b842edd3
BCMSAI 4.3.0.10, 6.5.21 SDK release with enhancements and fixes for vxlan, TD3 MMU, TD4-X9 EA support, etc.
612 lines
16 KiB
C
612 lines
16 KiB
C
/*
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* Copyright 2007-2020 Broadcom Inc. All rights reserved.
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*
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* Permission is granted to use, copy, modify and/or distribute this
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* software under either one of the licenses below.
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*
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* License Option 1: GPL
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License, version 2, as
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* published by the Free Software Foundation (the "GPL").
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License version 2 (GPLv2) for more details.
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*
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* You should have received a copy of the GNU General Public License
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* version 2 (GPLv2) along with this source code.
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*
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*
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* License Option 2: Broadcom Open Network Switch APIs (OpenNSA) license
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*
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* This software is governed by the Broadcom Open Network Switch APIs license:
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* https://www.broadcom.com/products/ethernet-connectivity/software/opennsa
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*/
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/*
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* $Id: kcom.h,v 1.9 Broadcom SDK $
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* $Copyright: (c) 2005 Broadcom Corp.
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* All Rights Reserved.$
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*
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* File: kcom.h
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* Purpose: User/Kernel message definitions
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*/
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#ifndef _KCOM_H
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#define _KCOM_H
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#include <sal/types.h>
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#define KCOM_CHAN_KNET "KCOM_KNET"
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/*
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* Message types
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*/
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#define KCOM_MSG_TYPE_CMD 1 /* Command */
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#define KCOM_MSG_TYPE_RSP 2 /* Command response */
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#define KCOM_MSG_TYPE_EVT 3 /* Unsolicited event */
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/*
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* Message opcodes
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*/
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#define KCOM_M_NONE 0 /* Should not be used */
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#define KCOM_M_VERSION 1 /* Protocol version */
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#define KCOM_M_STRING 2 /* For debug messages */
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#define KCOM_M_HW_RESET 3 /* H/W not ready */
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#define KCOM_M_HW_INIT 4 /* H/W initialized */
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#define KCOM_M_ETH_HW_CONFIG 5 /* ETH HW config*/
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#define KCOM_M_DETACH 6 /* Detach kernel module */
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#define KCOM_M_REPROBE 7 /* Reprobe device */
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#define KCOM_M_NETIF_CREATE 11 /* Create network interface */
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#define KCOM_M_NETIF_DESTROY 12 /* Destroy network interface */
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#define KCOM_M_NETIF_LIST 13 /* Get list of network interface IDs */
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#define KCOM_M_NETIF_GET 14 /* Get network interface info */
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#define KCOM_M_FILTER_CREATE 21 /* Create Rx filter */
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#define KCOM_M_FILTER_DESTROY 22 /* Destroy Rx filter */
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#define KCOM_M_FILTER_LIST 23 /* Get list of Rx filter IDs */
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#define KCOM_M_FILTER_GET 24 /* Get Rx filter info */
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#define KCOM_M_DMA_INFO 31 /* Tx/Rx DMA info */
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#define KCOM_M_DBGPKT_SET 41 /* Enbale debug packet function */
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#define KCOM_M_DBGPKT_GET 42 /* Get debug packet function info */
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#define KCOM_M_WB_CLEANUP 51 /* Clean up for warmbooting */
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#define KCOM_M_CLOCK_CMD 52 /* Clock Commands */
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#define KCOM_VERSION 12 /* Protocol version */
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/*
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* Message status codes
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*/
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#define KCOM_E_NONE 0 /* No errors */
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#define KCOM_E_PARAM 1 /* Invalid/unsupported parameter */
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#define KCOM_E_RESOURCE 2 /* Out of memory or other resource */
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#define KCOM_E_NOT_FOUND 3 /* Requested object not found */
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typedef struct kcom_msg_hdr_s {
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uint8 type;
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uint8 opcode;
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uint8 seqno;
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uint8 status;
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uint8 unit;
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uint8 reserved;
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uint16 id;
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} kcom_msg_hdr_t;
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/*
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* Object types
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*/
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/*
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* System network interface
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*
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* Network interface types:
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*
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* KCOM_NETIF_T_VLAN
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* Transmits to this interface will go to ingress PIPE of switch
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* CPU port using specified VLAN ID. Packet will be switched.
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*
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* KCOM_NETIF_T_PORT
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* Transmits to this interface will go to unmodified to specified
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* physical switch port. All switching logic is bypassed.
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*
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* KCOM_NETIF_T_META
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* Transmits to this interface will be done using raw meta data
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* as DMA descriptors. Currently used for RCPU mode only.
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*
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* Network interface flags:
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*
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* KCOM_NETIF_F_ADD_TAG
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* Add VLAN tag to packets sent directly to physical port.
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*
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* KCOM_NETIF_F_RCPU_ENCAP
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* Use RCPU encapsulation for packets that enter and exit this
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* interface.
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*/
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#define KCOM_NETIF_T_VLAN 0
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#define KCOM_NETIF_T_PORT 1
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#define KCOM_NETIF_T_META 2
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#define KCOM_NETIF_F_ADD_TAG (1U << 0)
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#define KCOM_NETIF_F_RCPU_ENCAP (1U << 1)
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/* If a netif has this flag, the packet sent to the netif can't be stripped tag or added tag */
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#define KCOM_NETIF_F_KEEP_RX_TAG (1U << 2)
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#define KCOM_NETIF_NAME_MAX 16
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/*
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* Max size of Sand System Headers
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* For DNX, Module Header(20B) + PTCH(2B) + ITMH(5B)
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* For DPP, PTCH(2B) + ITMH(4B)
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*/
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#define KCOM_NETIF_SYSTEM_HEADERS_SIZE_MAX 27
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typedef struct kcom_netif_s {
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uint16 id;
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uint8 type;
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uint8 flags;
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uint32 cb_user_data;
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uint8 port;
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uint8 reserved;
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uint16 vlan;
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uint16 qnum;
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uint8 macaddr[6];
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uint8 system_headers[KCOM_NETIF_SYSTEM_HEADERS_SIZE_MAX];
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uint8 system_headers_size;
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char name[KCOM_NETIF_NAME_MAX];
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uint8 phys_port;
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} kcom_netif_t;
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/*
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* Packet filters
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*
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* Filters work like software TCAMs where a mask is applied to the
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* source data, and the result is then compared to the filter data.
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*
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* Filters are checked in priority order with the lowest priority
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* values being checked first (i.e. 0 is the highest priority).
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*
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* Filter types:
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*
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* KCOM_FILTER_T_RX_PKT
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* Filter data and mask are applied to the Rx DMA control block
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* as well as to the Rx packet contents.
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*
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* Destination types:
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*
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* KCOM_DEST_T_NULL
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* Packet is dropped.
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*
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* KCOM_DEST_T_NETIF
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* Packet is sent to network interface with ID <dest_id>.
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*
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* KCOM_DEST_T_API
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* Packet is sent to Rx API through queue <dest_id>.
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*
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* KCOM_DEST_T_CB
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* Packet destination is obtained from kernel call-back function.
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*
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* Filter flags:
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*
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* KCOM_FILTER_F_ANY_DATA
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* When this flags is set the filter will match any packet on
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* the associated unit.
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*
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* KCOM_FILTER_F_STRIP_TAG
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* Strip VLAN tag before packet is sent to destination.
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* This flag only applies to KCOM_DEST_T_NETIF.
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*
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*/
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#define KCOM_FILTER_BYTES_MAX 256
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#define KCOM_FILTER_WORDS_MAX BYTES2WORDS(KCOM_FILTER_BYTES_MAX)
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#define KCOM_FILTER_T_RX_PKT 1
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#define KCOM_DEST_T_NULL 0
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#define KCOM_DEST_T_NETIF 1
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#define KCOM_DEST_T_API 2
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#define KCOM_DEST_T_CB 3
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#define KCOM_FILTER_F_ANY_DATA (1U << 0)
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#define KCOM_FILTER_F_STRIP_TAG (1U << 1)
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#define KCOM_FILTER_DESC_MAX 32
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typedef struct kcom_filter_s {
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uint16 id;
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uint8 type;
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uint8 priority;
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char desc[KCOM_FILTER_DESC_MAX];
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uint32 flags;
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uint32 cb_user_data;
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uint16 dest_type;
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uint16 dest_id;
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uint16 dest_proto;
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uint16 mirror_type;
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uint16 mirror_id;
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uint16 mirror_proto;
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uint16 oob_data_offset;
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uint16 oob_data_size;
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uint16 pkt_data_offset;
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uint16 pkt_data_size;
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union {
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uint8 b[KCOM_FILTER_BYTES_MAX];
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uint32 w[KCOM_FILTER_WORDS_MAX];
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} data;
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union {
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uint8 b[KCOM_FILTER_BYTES_MAX];
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uint32 w[KCOM_FILTER_WORDS_MAX];
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} mask;
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/** Mark to match source modid and modport */
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uint8 is_src_modport;
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uint8 spa_unit;
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} kcom_filter_t;
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/*
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* DMA buffer information
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*
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* Cookie field is reserved use by application (32/64-bit pointer).
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*
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* For Tx operation the application will submit the start address of
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* the Tx DCB chain which is queued for transfer by the kernel module.
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* Once DMA is done a DMA event is returned to the application with an
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* optional sequence number.
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*
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* For Rx operation the application will submit the start address of
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* the Rx DCB chain which should be use for packet reception by the
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* kernel module. Once DMA is done a DMA event is returned to the
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* application with an optional sequence number.
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*
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* Cookie field is reserved use by application (32/64-bit pointer).
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*
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* Packet info types:
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*
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* KCOM_DMA_INFO_T_TX_DCB
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* Data is physical start address of Tx DCB chain.
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*
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* KCOM_DMA_INFO_T_RX_DCB
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* Data is physical start address of Rx DCB chain.
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*
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* Packet info flags:
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*
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* KCOM_DMA_INFO_F_TX_DONE
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* This flag is set by the kernel module and means that one or more
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* packets have been sent.
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*
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* KCOM_DMA_INFO_F_RX_DONE
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* This flag is set by the kernel module and means that one or more
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* Rx buffers contain valid packet data.
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*/
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#define KCOM_DMA_INFO_T_TX_DCB 1
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#define KCOM_DMA_INFO_T_RX_DCB 2
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#define KCOM_DMA_INFO_F_TX_DONE (1U << 0)
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#define KCOM_DMA_INFO_F_RX_DONE (1U << 1)
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typedef struct kcom_dma_info_s {
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uint8 type;
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uint8 cnt;
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uint16 size;
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uint16 chan;
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uint16 flags;
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union {
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uint64 dcb_start;
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struct {
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uint32 tx;
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uint32 rx;
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} seqno;
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} data;
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union {
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void *p;
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uint8 b[8];
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} cookie;
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} kcom_dma_info_t;
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/* Default channel configuration */
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#define KCOM_DMA_TX_CHAN 0
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#define KCOM_DMA_RX_CHAN 1
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#define KCOM_ETH_HW_T_RESET 1
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#define KCOM_ETH_HW_T_INIT 2
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#define KCOM_ETH_HW_T_OTHER 3
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#define KCOM_ETH_HW_C_ALL 0xff
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#define KCOM_ETH_HW_RESET_F_TX (1U << 0)
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#define KCOM_ETH_HW_RESET_F_RX (1U << 1)
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#define KCOM_ETH_HW_RESET_F_TX_RECLAIM (1U << 2)
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#define KCOM_ETH_HW_RESET_F_RX_RECLAIM (1U << 3)
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#define KCOM_ETH_HW_INIT_F_TX (1U << 0)
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#define KCOM_ETH_HW_INIT_F_RX (1U << 1)
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#define KCOM_ETH_HW_INIT_F_RX_FILL (1U << 2)
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#define KCOM_ETH_HW_OTHER_F_FIFO_LOOPBACK (1U << 0)
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#define KCOM_ETH_HW_OTHER_F_INTERRUPT (1U << 1)
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typedef struct kcom_eth_hw_config_s {
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uint8 type;
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uint8 chan;
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uint32 flags;
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uint32 value;
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} kcom_eth_hw_config_t;
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/*
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* Message types
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*/
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/*
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* Request KCOM interface version of kernel module.
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*/
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typedef struct kcom_msg_version_s {
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kcom_msg_hdr_t hdr;
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uint32 version;
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uint32 netif_max;
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uint32 filter_max;
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} kcom_msg_version_t;
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/*
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* Request KCOM interface clock info.
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*/
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#define KSYNC_M_HW_INIT 0
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#define KSYNC_M_HW_DEINIT 1
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#define KSYNC_M_VERSION 2
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#define KSYNC_M_HW_TS_DISABLE 3
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#define KSYNC_M_MTP_TS_UPDATE_ENABLE 4
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#define KSYNC_M_MTP_TS_UPDATE_DISABLE 5
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typedef struct kcom_clock_info_s {
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uint8 cmd;
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int32 data[8];
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} kcom_clock_info_t;
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/*
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* Send literal string to/from kernel module.
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* Mainly for debugging purposes.
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*/
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#define KCOM_MSG_STRING_MAX 128
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typedef struct kcom_msg_string_s {
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kcom_msg_hdr_t hdr;
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uint32 len;
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char val[KCOM_MSG_STRING_MAX];
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} kcom_msg_string_t;
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/*
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* Indicate that eth hardware is about to be reset. Active
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* DMA operations should be aborted and DMA and interrupts
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* should be disabled.
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*/
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/*
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* Indicate that eth hardware has been properly initialized
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* for DMA operation to commence.
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*/
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typedef struct kcom_msg_eth_hw_config_s {
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kcom_msg_hdr_t hdr;
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kcom_eth_hw_config_t config;
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} kcom_msg_eth_hw_config_t;
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/*
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* Indicate that switch hardware is about to be reset. Active
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* DMA operations should be aborted and DMA and interrupts
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* should be disabled.
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*/
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typedef struct kcom_msg_hw_reset_s {
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kcom_msg_hdr_t hdr;
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uint32 channels;
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} kcom_msg_hw_reset_t;
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/*
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* Indicate that switch hardware has been properly initialized
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* for DMA operation to commence.
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*/
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typedef struct kcom_msg_hw_init_s {
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kcom_msg_hdr_t hdr;
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uint8 cmic_type;
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uint8 dcb_type;
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uint8 dcb_size;
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uint8 pkt_hdr_size;
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uint32 dma_hi;
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uint32 cdma_channels;
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/*
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* Information to parse Dune system headers
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*/
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uint32 ftmh_lb_key_ext_size;
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uint32 ftmh_stacking_ext_size;
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uint32 pph_base_size;
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uint32 pph_lif_ext_size[8];
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uint32 udh_length_type[4];
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uint32 udh_size;
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uint32 oamp_punted;
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uint8 no_skip_udh_check;
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uint8 system_headers_mode;
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uint8 udh_enable;
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} kcom_msg_hw_init_t;
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/*
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* Release blocked IOCTL threads and clean up as necessary.
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*/
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typedef struct kcom_msg_detach_s {
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kcom_msg_hdr_t hdr;
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uint32 flags;
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} kcom_msg_detach_t;
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/*
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* Reprobe switch device.
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*/
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typedef struct kcom_msg_reprobe_s {
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kcom_msg_hdr_t hdr;
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uint32 flags;
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} kcom_msg_reprobe_t;
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/*
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* Enable/Disable debugging packet function.
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*/
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typedef struct kcom_msg_dbg_pkt_set_s {
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kcom_msg_hdr_t hdr;
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int enable;
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} kcom_msg_dbg_pkt_set_t;
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/*
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* Get debugging packet function info.
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*/
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typedef struct kcom_msg_dbg_pkt_get_s {
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kcom_msg_hdr_t hdr;
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int value;
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} kcom_msg_dbg_pkt_get_t;
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/*
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* Clean up warmboot-related resources.
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*/
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typedef struct kcom_msg_wb_cleanup_s {
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kcom_msg_hdr_t hdr;
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uint32 flags;
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} kcom_msg_wb_cleanup_t;
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/*
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* Create new system network interface. The network interface will
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* be associated with the specified switch unit number.
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* The interface id and name will be assigned by the kernel module.
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*/
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typedef struct kcom_msg_netif_create_s {
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kcom_msg_hdr_t hdr;
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kcom_netif_t netif;
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} kcom_msg_netif_create_t;
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/*
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* Destroy system network interface.
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*/
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typedef struct kcom_msg_netif_destroy_s {
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kcom_msg_hdr_t hdr;
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} kcom_msg_netif_destroy_t;
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/*
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* Destroy system network interface.
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*/
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typedef struct kcom_msg_clock_s{
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kcom_msg_hdr_t hdr;
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kcom_clock_info_t clock_info;
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} kcom_msg_clock_cmd_t;
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/*
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* Get list of currently defined system network interfaces.
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*/
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#ifndef KCOM_NETIF_MAX
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#define KCOM_NETIF_MAX 128
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#endif
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typedef struct kcom_msg_netif_list_s {
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kcom_msg_hdr_t hdr;
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uint32 ifcnt;
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uint16 id[KCOM_NETIF_MAX];
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} kcom_msg_netif_list_t;
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/*
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* Get detailed network interface information.
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*/
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typedef struct kcom_msg_netif_get_s {
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kcom_msg_hdr_t hdr;
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kcom_netif_t netif;
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} kcom_msg_netif_get_t;
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/*
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* Create new packet filter.
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* The filter id will be assigned by the kernel module.
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*/
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typedef struct kcom_msg_filter_create_s {
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kcom_msg_hdr_t hdr;
|
|
kcom_filter_t filter;
|
|
} kcom_msg_filter_create_t;
|
|
|
|
/*
|
|
* Destroy packet filter.
|
|
*/
|
|
typedef struct kcom_msg_filter_destroy_s {
|
|
kcom_msg_hdr_t hdr;
|
|
} kcom_msg_filter_destroy_t;
|
|
|
|
/*
|
|
* Get list of currently defined packet filters.
|
|
*/
|
|
#ifndef KCOM_FILTER_MAX
|
|
#define KCOM_FILTER_MAX 128
|
|
#endif
|
|
|
|
typedef struct kcom_msg_filter_list_s {
|
|
kcom_msg_hdr_t hdr;
|
|
uint32 fcnt;
|
|
uint16 id[KCOM_FILTER_MAX];
|
|
} kcom_msg_filter_list_t;
|
|
|
|
/*
|
|
* Get detailed packet filter information.
|
|
*/
|
|
typedef struct kcom_msg_filter_get_s {
|
|
kcom_msg_hdr_t hdr;
|
|
kcom_filter_t filter;
|
|
} kcom_msg_filter_get_t;
|
|
|
|
/*
|
|
* DMA info
|
|
*/
|
|
typedef struct kcom_msg_dma_info_s {
|
|
kcom_msg_hdr_t hdr;
|
|
kcom_dma_info_t dma_info;
|
|
} kcom_msg_dma_info_t;
|
|
|
|
/*
|
|
* All messages (e.g. for generic receive)
|
|
*/
|
|
typedef union kcom_msg_s {
|
|
kcom_msg_hdr_t hdr;
|
|
kcom_msg_version_t version;
|
|
kcom_msg_string_t string;
|
|
kcom_msg_hw_reset_t hw_reset;
|
|
kcom_msg_hw_init_t hw_init;
|
|
kcom_msg_eth_hw_config_t eth_hw_config;
|
|
kcom_msg_detach_t detach;
|
|
kcom_msg_reprobe_t reprobe;
|
|
kcom_msg_netif_create_t netif_create;
|
|
kcom_msg_netif_destroy_t netif_destroy;
|
|
kcom_msg_netif_list_t netif_list;
|
|
kcom_msg_netif_get_t netif_get;
|
|
kcom_msg_filter_create_t filter_create;
|
|
kcom_msg_filter_destroy_t filter_destroy;
|
|
kcom_msg_filter_list_t filter_list;
|
|
kcom_msg_filter_get_t filter_get;
|
|
kcom_msg_dma_info_t dma_info;
|
|
kcom_msg_dbg_pkt_set_t dbg_pkt_set;
|
|
kcom_msg_dbg_pkt_get_t dbg_pkt_get;
|
|
kcom_msg_wb_cleanup_t wb_cleanup;
|
|
kcom_msg_clock_cmd_t clock_cmd;
|
|
} kcom_msg_t;
|
|
|
|
/*
|
|
* KCOM communication channel vectors
|
|
*
|
|
* open
|
|
* Open KCOM channel.
|
|
*
|
|
* close
|
|
* Close KCOM channel.
|
|
*
|
|
* send
|
|
* Send KCOM message. If bufsz is non-zero, a synchronous send will be
|
|
* performed (if supported) and the function will return the number of
|
|
* bytes in the response.
|
|
*
|
|
* recv
|
|
* Receive KCOM message. This function is used t oreceive unsolicited
|
|
* messages from the kernel. If synchronous send is not supported, this
|
|
* function is also used to retrieve responses to command messages.
|
|
*/
|
|
|
|
typedef struct kcom_chan_s {
|
|
void *(*open)(char *name);
|
|
int (*close)(void *handle);
|
|
int (*send)(void *handle, void *msg, unsigned int len, unsigned int bufsz);
|
|
int (*recv)(void *handle, void *msg, unsigned int bufsz);
|
|
} kcom_chan_t;
|
|
|
|
#endif /* _KCOM_H */
|