mirror of https://gitee.com/openkylin/linux.git
606 lines
23 KiB
C
606 lines
23 KiB
C
/*
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* Copyright 2011 Tilera Corporation. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation, version 2.
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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, GOOD TITLE or
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* NON INFRINGEMENT. See the GNU General Public License for
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* more details.
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*/
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/**
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* Interface definitions for the mpipe driver.
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*/
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#ifndef _SYS_HV_DRV_MPIPE_INTF_H
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#define _SYS_HV_DRV_MPIPE_INTF_H
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#include <arch/mpipe.h>
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#include <arch/mpipe_constants.h>
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/** Number of mPIPE instances supported */
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#define HV_MPIPE_INSTANCE_MAX (2)
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/** Number of buffer stacks (32). */
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#define HV_MPIPE_NUM_BUFFER_STACKS \
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(MPIPE_MMIO_INIT_DAT_GX36_1__BUFFER_STACK_MASK_WIDTH)
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/** Number of NotifRings (256). */
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#define HV_MPIPE_NUM_NOTIF_RINGS (MPIPE_NUM_NOTIF_RINGS)
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/** Number of NotifGroups (32). */
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#define HV_MPIPE_NUM_NOTIF_GROUPS (MPIPE_NUM_NOTIF_GROUPS)
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/** Number of buckets (4160). */
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#define HV_MPIPE_NUM_BUCKETS (MPIPE_NUM_BUCKETS)
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/** Number of "lo" buckets (4096). */
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#define HV_MPIPE_NUM_LO_BUCKETS 4096
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/** Number of "hi" buckets (64). */
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#define HV_MPIPE_NUM_HI_BUCKETS \
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(HV_MPIPE_NUM_BUCKETS - HV_MPIPE_NUM_LO_BUCKETS)
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/** Number of edma rings (24). */
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#define HV_MPIPE_NUM_EDMA_RINGS \
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(MPIPE_MMIO_INIT_DAT_GX36_1__EDMA_POST_MASK_WIDTH)
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/** A flag bit indicating a fixed resource allocation. */
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#define HV_MPIPE_ALLOC_FIXED 0x01
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/** Offset for the config register MMIO region. */
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#define HV_MPIPE_CONFIG_MMIO_OFFSET \
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(MPIPE_MMIO_ADDR__REGION_VAL_CFG << MPIPE_MMIO_ADDR__REGION_SHIFT)
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/** Size of the config register MMIO region. */
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#define HV_MPIPE_CONFIG_MMIO_SIZE (64 * 1024)
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/** Offset for the config register MMIO region. */
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#define HV_MPIPE_FAST_MMIO_OFFSET \
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(MPIPE_MMIO_ADDR__REGION_VAL_IDMA << MPIPE_MMIO_ADDR__REGION_SHIFT)
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/** Size of the fast register MMIO region (IDMA, EDMA, buffer stack). */
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#define HV_MPIPE_FAST_MMIO_SIZE \
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((MPIPE_MMIO_ADDR__REGION_VAL_BSM + 1 - MPIPE_MMIO_ADDR__REGION_VAL_IDMA) \
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<< MPIPE_MMIO_ADDR__REGION_SHIFT)
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/*
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* Each type of resource allocation comes in quantized chunks, where
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* XXX_BITS is the number of chunks, and XXX_RES_PER_BIT is the number
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* of resources in each chunk.
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*/
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/** Number of buffer stack chunks available (32). */
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#define HV_MPIPE_ALLOC_BUFFER_STACKS_BITS \
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MPIPE_MMIO_INIT_DAT_GX36_1__BUFFER_STACK_MASK_WIDTH
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/** Granularity of buffer stack allocation (1). */
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#define HV_MPIPE_ALLOC_BUFFER_STACKS_RES_PER_BIT \
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(HV_MPIPE_NUM_BUFFER_STACKS / HV_MPIPE_ALLOC_BUFFER_STACKS_BITS)
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/** Number of NotifRing chunks available (32). */
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#define HV_MPIPE_ALLOC_NOTIF_RINGS_BITS \
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MPIPE_MMIO_INIT_DAT_GX36_0__NOTIF_RING_MASK_WIDTH
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/** Granularity of NotifRing allocation (8). */
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#define HV_MPIPE_ALLOC_NOTIF_RINGS_RES_PER_BIT \
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(HV_MPIPE_NUM_NOTIF_RINGS / HV_MPIPE_ALLOC_NOTIF_RINGS_BITS)
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/** Number of NotifGroup chunks available (32). */
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#define HV_MPIPE_ALLOC_NOTIF_GROUPS_BITS \
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HV_MPIPE_NUM_NOTIF_GROUPS
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/** Granularity of NotifGroup allocation (1). */
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#define HV_MPIPE_ALLOC_NOTIF_GROUPS_RES_PER_BIT \
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(HV_MPIPE_NUM_NOTIF_GROUPS / HV_MPIPE_ALLOC_NOTIF_GROUPS_BITS)
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/** Number of lo bucket chunks available (16). */
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#define HV_MPIPE_ALLOC_LO_BUCKETS_BITS \
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MPIPE_MMIO_INIT_DAT_GX36_0__BUCKET_RELEASE_MASK_LO_WIDTH
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/** Granularity of lo bucket allocation (256). */
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#define HV_MPIPE_ALLOC_LO_BUCKETS_RES_PER_BIT \
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(HV_MPIPE_NUM_LO_BUCKETS / HV_MPIPE_ALLOC_LO_BUCKETS_BITS)
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/** Number of hi bucket chunks available (16). */
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#define HV_MPIPE_ALLOC_HI_BUCKETS_BITS \
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MPIPE_MMIO_INIT_DAT_GX36_0__BUCKET_RELEASE_MASK_HI_WIDTH
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/** Granularity of hi bucket allocation (4). */
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#define HV_MPIPE_ALLOC_HI_BUCKETS_RES_PER_BIT \
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(HV_MPIPE_NUM_HI_BUCKETS / HV_MPIPE_ALLOC_HI_BUCKETS_BITS)
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/** Number of eDMA ring chunks available (24). */
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#define HV_MPIPE_ALLOC_EDMA_RINGS_BITS \
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MPIPE_MMIO_INIT_DAT_GX36_1__EDMA_POST_MASK_WIDTH
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/** Granularity of eDMA ring allocation (1). */
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#define HV_MPIPE_ALLOC_EDMA_RINGS_RES_PER_BIT \
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(HV_MPIPE_NUM_EDMA_RINGS / HV_MPIPE_ALLOC_EDMA_RINGS_BITS)
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/** Bit vector encoding which NotifRings are in a NotifGroup. */
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typedef struct
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{
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/** The actual bits. */
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uint64_t ring_mask[4];
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} gxio_mpipe_notif_group_bits_t;
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/** Another name for MPIPE_LBL_INIT_DAT_BSTS_TBL_t. */
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typedef MPIPE_LBL_INIT_DAT_BSTS_TBL_t gxio_mpipe_bucket_info_t;
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/** Eight buffer stack ids. */
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typedef struct
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{
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/** The stacks. */
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uint8_t stacks[8];
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} gxio_mpipe_rules_stacks_t;
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/** A destination mac address. */
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typedef struct
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{
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/** The octets. */
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uint8_t octets[6];
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} gxio_mpipe_rules_dmac_t;
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/** A vlan. */
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typedef uint16_t gxio_mpipe_rules_vlan_t;
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/** Maximum number of characters in a link name. */
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#define GXIO_MPIPE_LINK_NAME_LEN 32
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/** Structure holding a link name. Only needed, and only typedef'ed,
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* because the IORPC stub generator only handles types which are single
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* words coming before the parameter name. */
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typedef struct
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{
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/** The name itself. */
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char name[GXIO_MPIPE_LINK_NAME_LEN];
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}
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_gxio_mpipe_link_name_t;
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/** Maximum number of characters in a symbol name. */
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#define GXIO_MPIPE_SYMBOL_NAME_LEN 128
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/** Structure holding a symbol name. Only needed, and only typedef'ed,
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* because the IORPC stub generator only handles types which are single
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* words coming before the parameter name. */
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typedef struct
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{
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/** The name itself. */
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char name[GXIO_MPIPE_SYMBOL_NAME_LEN];
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}
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_gxio_mpipe_symbol_name_t;
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/** Structure holding a MAC address. */
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typedef struct
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{
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/** The address. */
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uint8_t mac[6];
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}
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_gxio_mpipe_link_mac_t;
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/** Request shared data permission -- that is, the ability to send and
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* receive packets -- on the specified link. Other processes may also
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* request shared data permission on the same link.
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*
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* No more than one of ::GXIO_MPIPE_LINK_DATA, ::GXIO_MPIPE_LINK_NO_DATA,
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* or ::GXIO_MPIPE_LINK_EXCL_DATA may be specified in a gxio_mpipe_link_open()
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* call. If none are specified, ::GXIO_MPIPE_LINK_DATA is assumed.
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*/
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#define GXIO_MPIPE_LINK_DATA 0x00000001UL
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/** Do not request data permission on the specified link.
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*
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* No more than one of ::GXIO_MPIPE_LINK_DATA, ::GXIO_MPIPE_LINK_NO_DATA,
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* or ::GXIO_MPIPE_LINK_EXCL_DATA may be specified in a gxio_mpipe_link_open()
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* call. If none are specified, ::GXIO_MPIPE_LINK_DATA is assumed.
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*/
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#define GXIO_MPIPE_LINK_NO_DATA 0x00000002UL
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/** Request exclusive data permission -- that is, the ability to send and
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* receive packets -- on the specified link. No other processes may
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* request data permission on this link, and if any process already has
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* data permission on it, this open will fail.
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*
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* No more than one of ::GXIO_MPIPE_LINK_DATA, ::GXIO_MPIPE_LINK_NO_DATA,
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* or ::GXIO_MPIPE_LINK_EXCL_DATA may be specified in a gxio_mpipe_link_open()
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* call. If none are specified, ::GXIO_MPIPE_LINK_DATA is assumed.
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*/
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#define GXIO_MPIPE_LINK_EXCL_DATA 0x00000004UL
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/** Request shared stats permission -- that is, the ability to read and write
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* registers which contain link statistics, and to get link attributes --
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* on the specified link. Other processes may also request shared stats
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* permission on the same link.
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*
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* No more than one of ::GXIO_MPIPE_LINK_STATS, ::GXIO_MPIPE_LINK_NO_STATS,
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* or ::GXIO_MPIPE_LINK_EXCL_STATS may be specified in a gxio_mpipe_link_open()
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* call. If none are specified, ::GXIO_MPIPE_LINK_STATS is assumed.
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*/
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#define GXIO_MPIPE_LINK_STATS 0x00000008UL
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/** Do not request stats permission on the specified link.
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*
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* No more than one of ::GXIO_MPIPE_LINK_STATS, ::GXIO_MPIPE_LINK_NO_STATS,
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* or ::GXIO_MPIPE_LINK_EXCL_STATS may be specified in a gxio_mpipe_link_open()
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* call. If none are specified, ::GXIO_MPIPE_LINK_STATS is assumed.
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*/
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#define GXIO_MPIPE_LINK_NO_STATS 0x00000010UL
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/** Request exclusive stats permission -- that is, the ability to read and
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* write registers which contain link statistics, and to get link
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* attributes -- on the specified link. No other processes may request
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* stats permission on this link, and if any process already
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* has stats permission on it, this open will fail.
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*
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* Requesting exclusive stats permission is normally a very bad idea, since
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* it prevents programs like mpipe-stat from providing information on this
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* link. Applications should only do this if they use MAC statistics
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* registers, and cannot tolerate any of the clear-on-read registers being
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* reset by other statistics programs.
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*
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* No more than one of ::GXIO_MPIPE_LINK_STATS, ::GXIO_MPIPE_LINK_NO_STATS,
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* or ::GXIO_MPIPE_LINK_EXCL_STATS may be specified in a gxio_mpipe_link_open()
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* call. If none are specified, ::GXIO_MPIPE_LINK_STATS is assumed.
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*/
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#define GXIO_MPIPE_LINK_EXCL_STATS 0x00000020UL
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/** Request shared control permission -- that is, the ability to modify link
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* attributes, and read and write MAC and MDIO registers -- on the
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* specified link. Other processes may also request shared control
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* permission on the same link.
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*
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* No more than one of ::GXIO_MPIPE_LINK_CTL, ::GXIO_MPIPE_LINK_NO_CTL,
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* or ::GXIO_MPIPE_LINK_EXCL_CTL may be specified in a gxio_mpipe_link_open()
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* call. If none are specified, ::GXIO_MPIPE_LINK_CTL is assumed.
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*/
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#define GXIO_MPIPE_LINK_CTL 0x00000040UL
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/** Do not request control permission on the specified link.
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*
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* No more than one of ::GXIO_MPIPE_LINK_CTL, ::GXIO_MPIPE_LINK_NO_CTL,
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* or ::GXIO_MPIPE_LINK_EXCL_CTL may be specified in a gxio_mpipe_link_open()
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* call. If none are specified, ::GXIO_MPIPE_LINK_CTL is assumed.
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*/
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#define GXIO_MPIPE_LINK_NO_CTL 0x00000080UL
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/** Request exclusive control permission -- that is, the ability to modify
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* link attributes, and read and write MAC and MDIO registers -- on the
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* specified link. No other processes may request control permission on
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* this link, and if any process already has control permission on it,
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* this open will fail.
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*
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* Requesting exclusive control permission is not always a good idea, since
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* it prevents programs like mpipe-link from configuring the link.
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*
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* No more than one of ::GXIO_MPIPE_LINK_CTL, ::GXIO_MPIPE_LINK_NO_CTL,
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* or ::GXIO_MPIPE_LINK_EXCL_CTL may be specified in a gxio_mpipe_link_open()
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* call. If none are specified, ::GXIO_MPIPE_LINK_CTL is assumed.
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*/
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#define GXIO_MPIPE_LINK_EXCL_CTL 0x00000100UL
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/** Set the desired state of the link to up, allowing any speeds which are
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* supported by the link hardware, as part of this open operation; do not
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* change the desired state of the link when it is closed or the process
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* exits. No more than one of ::GXIO_MPIPE_LINK_AUTO_UP,
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* ::GXIO_MPIPE_LINK_AUTO_UPDOWN, ::GXIO_MPIPE_LINK_AUTO_DOWN, or
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* ::GXIO_MPIPE_LINK_AUTO_NONE may be specified in a gxio_mpipe_link_open()
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* call. If none are specified, ::GXIO_MPIPE_LINK_AUTO_UPDOWN is assumed.
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*/
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#define GXIO_MPIPE_LINK_AUTO_UP 0x00000200UL
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/** Set the desired state of the link to up, allowing any speeds which are
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* supported by the link hardware, as part of this open operation; when the
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* link is closed or this process exits, if no other process has the link
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* open, set the desired state of the link to down. No more than one of
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* ::GXIO_MPIPE_LINK_AUTO_UP, ::GXIO_MPIPE_LINK_AUTO_UPDOWN,
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* ::GXIO_MPIPE_LINK_AUTO_DOWN, or ::GXIO_MPIPE_LINK_AUTO_NONE may be
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* specified in a gxio_mpipe_link_open() call. If none are specified,
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* ::GXIO_MPIPE_LINK_AUTO_UPDOWN is assumed.
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*/
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#define GXIO_MPIPE_LINK_AUTO_UPDOWN 0x00000400UL
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/** Do not change the desired state of the link as part of the open
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* operation; when the link is closed or this process exits, if no other
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* process has the link open, set the desired state of the link to down.
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* No more than one of ::GXIO_MPIPE_LINK_AUTO_UP,
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* ::GXIO_MPIPE_LINK_AUTO_UPDOWN, ::GXIO_MPIPE_LINK_AUTO_DOWN, or
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* ::GXIO_MPIPE_LINK_AUTO_NONE may be specified in a gxio_mpipe_link_open()
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* call. If none are specified, ::GXIO_MPIPE_LINK_AUTO_UPDOWN is assumed.
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*/
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#define GXIO_MPIPE_LINK_AUTO_DOWN 0x00000800UL
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/** Do not change the desired state of the link as part of the open
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* operation; do not change the desired state of the link when it is
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* closed or the process exits. No more than one of
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* ::GXIO_MPIPE_LINK_AUTO_UP, ::GXIO_MPIPE_LINK_AUTO_UPDOWN,
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* ::GXIO_MPIPE_LINK_AUTO_DOWN, or ::GXIO_MPIPE_LINK_AUTO_NONE may be
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* specified in a gxio_mpipe_link_open() call. If none are specified,
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* ::GXIO_MPIPE_LINK_AUTO_UPDOWN is assumed.
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*/
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#define GXIO_MPIPE_LINK_AUTO_NONE 0x00001000UL
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/** Request that this open call not complete until the network link is up.
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* The process will wait as long as necessary for this to happen;
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* applications which wish to abandon waiting for the link after a
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* specific time period should not specify this flag when opening a link,
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* but should instead call gxio_mpipe_link_wait() afterward. The link
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* must be opened with stats permission. Note that this flag by itself
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* does not change the desired link state; if other open flags or previous
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* link state changes have not requested a desired state of up, the open
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* call will never complete. This flag is not available to kernel
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* clients.
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*/
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#define GXIO_MPIPE_LINK_WAIT 0x00002000UL
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/*
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* Note: link attributes must fit in 24 bits, since we use the top 8 bits
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* of the IORPC offset word for the channel number.
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*/
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/** Determine whether jumbo frames may be received. If this attribute's
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* value value is nonzero, the MAC will accept frames of up to 10240 bytes.
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* If the value is zero, the MAC will only accept frames of up to 1544
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* bytes. The default value is zero. */
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#define GXIO_MPIPE_LINK_RECEIVE_JUMBO 0x010000
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/** Determine whether to send pause frames on this link if the mPIPE packet
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* FIFO is nearly full. If the value is zero, pause frames are not sent.
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* If the value is nonzero, it is the delay value which will be sent in any
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* pause frames which are output, in units of 512 bit times.
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*
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* Bear in mind that in almost all circumstances, the mPIPE packet FIFO
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* will never fill up, since mPIPE will empty it as fast as or faster than
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* the incoming data rate, by either delivering or dropping packets. The
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* only situation in which this is not true is if the memory and cache
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* subsystem is extremely heavily loaded, and mPIPE cannot perform DMA of
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* packet data to memory in a timely fashion. In particular, pause frames
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* will <em>not</em> be sent if packets cannot be delivered because
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* NotifRings are full, buckets are full, or buffers are not available in
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* a buffer stack. */
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#define GXIO_MPIPE_LINK_SEND_PAUSE 0x020000
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/** Determine whether to suspend output on the receipt of pause frames.
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* If the value is nonzero, mPIPE shim will suspend output on the link's
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* channel when a pause frame is received. If the value is zero, pause
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* frames will be ignored. The default value is zero. */
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#define GXIO_MPIPE_LINK_RECEIVE_PAUSE 0x030000
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/** Interface MAC address. The value is a 6-byte MAC address, in the least
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* significant 48 bits of the value; in other words, an address which would
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* be printed as '12:34:56:78:90:AB' in IEEE 802 canonical format would
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* be returned as 0x12345678ab.
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*
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* Depending upon the overall system design, a MAC address may or may not
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* be available for each interface. Note that the interface's MAC address
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* does not limit the packets received on its channel, although the
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* classifier's rules could be configured to do that. Similarly, the MAC
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* address is not used when transmitting packets, although applications
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* could certainly decide to use the assigned address as a source MAC
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* address when doing so. This attribute may only be retrieved with
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* gxio_mpipe_link_get_attr(); it may not be modified.
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*/
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#define GXIO_MPIPE_LINK_MAC 0x040000
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/** Determine whether to discard egress packets on link down. If this value
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* is nonzero, packets sent on this link while the link is down will be
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* discarded. If this value is zero, no packets will be sent on this link
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* while it is down. The default value is one. */
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#define GXIO_MPIPE_LINK_DISCARD_IF_DOWN 0x050000
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/** Possible link state. The value is a combination of link state flags,
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* ORed together, that indicate link modes which are actually supported by
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* the hardware. This attribute may only be retrieved with
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* gxio_mpipe_link_get_attr(); it may not be modified. */
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#define GXIO_MPIPE_LINK_POSSIBLE_STATE 0x060000
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/** Current link state. The value is a combination of link state flags,
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* ORed together, that indicate the current state of the hardware. If the
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* link is down, the value ANDed with ::GXIO_MPIPE_LINK_SPEED will be zero;
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* if the link is up, the value ANDed with ::GXIO_MPIPE_LINK_SPEED will
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* result in exactly one of the speed values, indicating the current speed.
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* This attribute may only be retrieved with gxio_mpipe_link_get_attr(); it
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* may not be modified. */
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#define GXIO_MPIPE_LINK_CURRENT_STATE 0x070000
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/** Desired link state. The value is a conbination of flags, which specify
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* the desired state for the link. With gxio_mpipe_link_set_attr(), this
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* will, in the background, attempt to bring up the link using whichever of
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* the requested flags are reasonable, or take down the link if the flags
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* are zero. The actual link up or down operation may happen after this
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* call completes. If the link state changes in the future, the system
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* will continue to try to get back to the desired link state; for
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* instance, if the link is brought up successfully, and then the network
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* cable is disconnected, the link will go down. However, the desired
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* state of the link is still up, so if the cable is reconnected, the link
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* will be brought up again.
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*
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* With gxio_mpipe_link_set_attr(), this will indicate the desired state
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* for the link, as set with a previous gxio_mpipe_link_set_attr() call,
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* or implicitly by a gxio_mpipe_link_open() or link close operation.
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* This may not reflect the current state of the link; to get that, use
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* ::GXIO_MPIPE_LINK_CURRENT_STATE.
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*/
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#define GXIO_MPIPE_LINK_DESIRED_STATE 0x080000
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/** Link can run, should run, or is running at 10 Mbps. */
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#define GXIO_MPIPE_LINK_10M 0x0000000000000001UL
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/** Link can run, should run, or is running at 100 Mbps. */
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#define GXIO_MPIPE_LINK_100M 0x0000000000000002UL
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/** Link can run, should run, or is running at 1 Gbps. */
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#define GXIO_MPIPE_LINK_1G 0x0000000000000004UL
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/** Link can run, should run, or is running at 10 Gbps. */
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#define GXIO_MPIPE_LINK_10G 0x0000000000000008UL
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/** Link can run, should run, or is running at 20 Gbps. */
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#define GXIO_MPIPE_LINK_20G 0x0000000000000010UL
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/** Link can run, should run, or is running at 25 Gbps. */
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#define GXIO_MPIPE_LINK_25G 0x0000000000000020UL
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/** Link can run, should run, or is running at 50 Gbps. */
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#define GXIO_MPIPE_LINK_50G 0x0000000000000040UL
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/** Link should run at the highest speed supported by the link and by
|
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* the device connected to the link. Only usable as a value for
|
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* the link's desired state; never returned as a value for the current
|
|
* or possible states. */
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#define GXIO_MPIPE_LINK_ANYSPEED 0x0000000000000800UL
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/** All legal link speeds. This value is provided for use in extracting
|
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* the speed-related subset of the link state flags; it is not intended
|
|
* to be set directly as a value for one of the GXIO_MPIPE_LINK_xxx_STATE
|
|
* attributes. A link is up or is requested to be up if its current or
|
|
* desired state, respectively, ANDED with this value, is nonzero. */
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#define GXIO_MPIPE_LINK_SPEED_MASK 0x0000000000000FFFUL
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/** Link can run, should run, or is running in MAC loopback mode. This
|
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* loops transmitted packets back to the receiver, inside the Tile
|
|
* Processor. */
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#define GXIO_MPIPE_LINK_LOOP_MAC 0x0000000000001000UL
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/** Link can run, should run, or is running in PHY loopback mode. This
|
|
* loops transmitted packets back to the receiver, inside the external
|
|
* PHY chip. */
|
|
#define GXIO_MPIPE_LINK_LOOP_PHY 0x0000000000002000UL
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|
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/** Link can run, should run, or is running in external loopback mode.
|
|
* This requires that an external loopback plug be installed on the
|
|
* Ethernet port. Note that only some links require that this be
|
|
* configured via the gxio_mpipe_link routines; other links can do
|
|
* external loopack with the plug and no special configuration. */
|
|
#define GXIO_MPIPE_LINK_LOOP_EXT 0x0000000000004000UL
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|
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/** All legal loopback types. */
|
|
#define GXIO_MPIPE_LINK_LOOP_MASK 0x000000000000F000UL
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|
|
/** Link can run, should run, or is running in full-duplex mode.
|
|
* If neither ::GXIO_MPIPE_LINK_FDX nor ::GXIO_MPIPE_LINK_HDX are
|
|
* specified in a set of desired state flags, both are assumed. */
|
|
#define GXIO_MPIPE_LINK_FDX 0x0000000000010000UL
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|
|
/** Link can run, should run, or is running in half-duplex mode.
|
|
* If neither ::GXIO_MPIPE_LINK_FDX nor ::GXIO_MPIPE_LINK_HDX are
|
|
* specified in a set of desired state flags, both are assumed. */
|
|
#define GXIO_MPIPE_LINK_HDX 0x0000000000020000UL
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|
|
|
|
|
/** An individual rule. */
|
|
typedef struct
|
|
{
|
|
/** The total size. */
|
|
uint16_t size;
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|
|
|
/** The priority. */
|
|
int16_t priority;
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|
|
|
/** The "headroom" in each buffer. */
|
|
uint8_t headroom;
|
|
|
|
/** The "tailroom" in each buffer. */
|
|
uint8_t tailroom;
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|
|
|
/** The "capacity" of the largest buffer. */
|
|
uint16_t capacity;
|
|
|
|
/** The mask for converting a flow hash into a bucket. */
|
|
uint16_t bucket_mask;
|
|
|
|
/** The offset for converting a flow hash into a bucket. */
|
|
uint16_t bucket_first;
|
|
|
|
/** The buffer stack ids. */
|
|
gxio_mpipe_rules_stacks_t stacks;
|
|
|
|
/** The actual channels. */
|
|
uint32_t channel_bits;
|
|
|
|
/** The number of dmacs. */
|
|
uint16_t num_dmacs;
|
|
|
|
/** The number of vlans. */
|
|
uint16_t num_vlans;
|
|
|
|
/** The actual dmacs and vlans. */
|
|
uint8_t dmacs_and_vlans[];
|
|
|
|
} gxio_mpipe_rules_rule_t;
|
|
|
|
|
|
/** A list of classifier rules. */
|
|
typedef struct
|
|
{
|
|
/** The offset to the end of the current rule. */
|
|
uint16_t tail;
|
|
|
|
/** The offset to the start of the current rule. */
|
|
uint16_t head;
|
|
|
|
/** The actual rules. */
|
|
uint8_t rules[4096 - 4];
|
|
|
|
} gxio_mpipe_rules_list_t;
|
|
|
|
|
|
|
|
|
|
/** mPIPE statistics structure. These counters include all relevant
|
|
* events occurring on all links within the mPIPE shim. */
|
|
typedef struct
|
|
{
|
|
/** Number of ingress packets dropped for any reason. */
|
|
uint64_t ingress_drops;
|
|
/** Number of ingress packets dropped because a buffer stack was empty. */
|
|
uint64_t ingress_drops_no_buf;
|
|
/** Number of ingress packets dropped or truncated due to lack of space in
|
|
* the iPkt buffer. */
|
|
uint64_t ingress_drops_ipkt;
|
|
/** Number of ingress packets dropped by the classifier or load balancer */
|
|
uint64_t ingress_drops_cls_lb;
|
|
/** Total number of ingress packets. */
|
|
uint64_t ingress_packets;
|
|
/** Total number of egress packets. */
|
|
uint64_t egress_packets;
|
|
/** Total number of ingress bytes. */
|
|
uint64_t ingress_bytes;
|
|
/** Total number of egress bytes. */
|
|
uint64_t egress_bytes;
|
|
}
|
|
gxio_mpipe_stats_t;
|
|
|
|
|
|
#endif /* _SYS_HV_DRV_MPIPE_INTF_H */
|