cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
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liquidio_common.h (23610B)


      1/**********************************************************************
      2 * Author: Cavium, Inc.
      3 *
      4 * Contact: support@cavium.com
      5 *          Please include "LiquidIO" in the subject.
      6 *
      7 * Copyright (c) 2003-2016 Cavium, Inc.
      8 *
      9 * This file is free software; you can redistribute it and/or modify
     10 * it under the terms of the GNU General Public License, Version 2, as
     11 * published by the Free Software Foundation.
     12 *
     13 * This file is distributed in the hope that it will be useful, but
     14 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
     15 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
     16 * NONINFRINGEMENT.  See the GNU General Public License for more details.
     17 ***********************************************************************/
     18/*!  \file  liquidio_common.h
     19 *   \brief Common: Structures and macros used in PCI-NIC package by core and
     20 *   host driver.
     21 */
     22
     23#ifndef __LIQUIDIO_COMMON_H__
     24#define __LIQUIDIO_COMMON_H__
     25
     26#include "octeon_config.h"
     27
     28#define LIQUIDIO_BASE_MAJOR_VERSION 1
     29#define LIQUIDIO_BASE_MINOR_VERSION 7
     30#define LIQUIDIO_BASE_MICRO_VERSION 2
     31#define LIQUIDIO_BASE_VERSION   __stringify(LIQUIDIO_BASE_MAJOR_VERSION) "." \
     32				__stringify(LIQUIDIO_BASE_MINOR_VERSION)
     33
     34struct lio_version {
     35	u16  major;
     36	u16  minor;
     37	u16  micro;
     38	u16  reserved;
     39};
     40
     41#define CONTROL_IQ 0
     42/** Tag types used by Octeon cores in its work. */
     43enum octeon_tag_type {
     44	ORDERED_TAG = 0,
     45	ATOMIC_TAG = 1,
     46	NULL_TAG = 2,
     47	NULL_NULL_TAG = 3
     48};
     49
     50/* pre-defined host->NIC tag values */
     51#define LIO_CONTROL  (0x11111110)
     52#define LIO_DATA(i)  (0x11111111 + (i))
     53
     54/* Opcodes used by host driver/apps to perform operations on the core.
     55 * These are used to identify the major subsystem that the operation
     56 * is for.
     57 */
     58#define OPCODE_CORE 0           /* used for generic core operations */
     59#define OPCODE_NIC  1           /* used for NIC operations */
     60/* Subcodes are used by host driver/apps to identify the sub-operation
     61 * for the core. They only need to by unique for a given subsystem.
     62 */
     63#define OPCODE_SUBCODE(op, sub)       ((((op) & 0x0f) << 8) | ((sub) & 0x7f))
     64
     65/** OPCODE_CORE subcodes. For future use. */
     66
     67/** OPCODE_NIC subcodes */
     68
     69/* This subcode is sent by core PCI driver to indicate cores are ready. */
     70#define OPCODE_NIC_CORE_DRV_ACTIVE     0x01
     71#define OPCODE_NIC_NW_DATA             0x02     /* network packet data */
     72#define OPCODE_NIC_CMD                 0x03
     73#define OPCODE_NIC_INFO                0x04
     74#define OPCODE_NIC_PORT_STATS          0x05
     75#define OPCODE_NIC_MDIO45              0x06
     76#define OPCODE_NIC_TIMESTAMP           0x07
     77#define OPCODE_NIC_INTRMOD_CFG         0x08
     78#define OPCODE_NIC_IF_CFG              0x09
     79#define OPCODE_NIC_VF_DRV_NOTICE       0x0A
     80#define OPCODE_NIC_INTRMOD_PARAMS      0x0B
     81#define OPCODE_NIC_QCOUNT_UPDATE       0x12
     82#define OPCODE_NIC_SET_TRUSTED_VF	0x13
     83#define OPCODE_NIC_SYNC_OCTEON_TIME	0x14
     84#define VF_DRV_LOADED                  1
     85#define VF_DRV_REMOVED                -1
     86#define VF_DRV_MACADDR_CHANGED         2
     87
     88#define OPCODE_NIC_VF_REP_PKT          0x15
     89#define OPCODE_NIC_VF_REP_CMD          0x16
     90#define OPCODE_NIC_UBOOT_CTL           0x17
     91
     92#define CORE_DRV_TEST_SCATTER_OP    0xFFF5
     93
     94/* Application codes advertised by the core driver initialization packet. */
     95#define CVM_DRV_APP_START           0x0
     96#define CVM_DRV_NO_APP              0
     97#define CVM_DRV_APP_COUNT           0x2
     98#define CVM_DRV_BASE_APP            (CVM_DRV_APP_START + 0x0)
     99#define CVM_DRV_NIC_APP             (CVM_DRV_APP_START + 0x1)
    100#define CVM_DRV_INVALID_APP         (CVM_DRV_APP_START + 0x2)
    101#define CVM_DRV_APP_END             (CVM_DRV_INVALID_APP - 1)
    102
    103#define BYTES_PER_DHLEN_UNIT        8
    104#define MAX_REG_CNT                 2000000U
    105#define INTRNAMSIZ                  32
    106#define IRQ_NAME_OFF(i)             ((i) * INTRNAMSIZ)
    107#define MAX_IOQ_INTERRUPTS_PER_PF   (64 * 2)
    108#define MAX_IOQ_INTERRUPTS_PER_VF   (8 * 2)
    109
    110#define SCR2_BIT_FW_LOADED	    63
    111
    112/* App specific capabilities from firmware to pf driver */
    113#define LIQUIDIO_TIME_SYNC_CAP 0x1
    114#define LIQUIDIO_SWITCHDEV_CAP 0x2
    115#define LIQUIDIO_SPOOFCHK_CAP  0x4
    116
    117/* error status return from firmware */
    118#define OCTEON_REQUEST_NO_PERMISSION 0xc
    119
    120static inline u32 incr_index(u32 index, u32 count, u32 max)
    121{
    122	if ((index + count) >= max)
    123		index = index + count - max;
    124	else
    125		index += count;
    126
    127	return index;
    128}
    129
    130#define OCT_BOARD_NAME 32
    131#define OCT_SERIAL_LEN 64
    132
    133/* Structure used by core driver to send indication that the Octeon
    134 * application is ready.
    135 */
    136struct octeon_core_setup {
    137	u64 corefreq;
    138
    139	char boardname[OCT_BOARD_NAME];
    140
    141	char board_serial_number[OCT_SERIAL_LEN];
    142
    143	u64 board_rev_major;
    144
    145	u64 board_rev_minor;
    146
    147};
    148
    149/*---------------------------  SCATTER GATHER ENTRY  -----------------------*/
    150
    151/* The Scatter-Gather List Entry. The scatter or gather component used with
    152 * a Octeon input instruction has this format.
    153 */
    154struct octeon_sg_entry {
    155	/** The first 64 bit gives the size of data in each dptr.*/
    156	union {
    157		u16 size[4];
    158		u64 size64;
    159	} u;
    160
    161	/** The 4 dptr pointers for this entry. */
    162	u64 ptr[4];
    163
    164};
    165
    166#define OCT_SG_ENTRY_SIZE    (sizeof(struct octeon_sg_entry))
    167
    168/* \brief Add size to gather list
    169 * @param sg_entry scatter/gather entry
    170 * @param size size to add
    171 * @param pos position to add it.
    172 */
    173static inline void add_sg_size(struct octeon_sg_entry *sg_entry,
    174			       u16 size,
    175			       u32 pos)
    176{
    177#ifdef __BIG_ENDIAN_BITFIELD
    178	sg_entry->u.size[pos] = size;
    179#else
    180	sg_entry->u.size[3 - pos] = size;
    181#endif
    182}
    183
    184/*------------------------- End Scatter/Gather ---------------------------*/
    185
    186#define   OCTNET_FRM_LENGTH_SIZE      8
    187
    188#define   OCTNET_FRM_PTP_HEADER_SIZE  8
    189
    190#define   OCTNET_FRM_HEADER_SIZE     22 /* VLAN + Ethernet */
    191
    192#define   OCTNET_MIN_FRM_SIZE        64
    193
    194#define   OCTNET_MAX_FRM_SIZE        (16000 + OCTNET_FRM_HEADER_SIZE)
    195
    196#define   OCTNET_DEFAULT_MTU         (1500)
    197#define   OCTNET_DEFAULT_FRM_SIZE  (OCTNET_DEFAULT_MTU + OCTNET_FRM_HEADER_SIZE)
    198
    199/** NIC Commands are sent using this Octeon Input Queue */
    200#define   OCTNET_CMD_Q                0
    201
    202/* NIC Command types */
    203#define   OCTNET_CMD_CHANGE_MTU       0x1
    204#define   OCTNET_CMD_CHANGE_MACADDR   0x2
    205#define   OCTNET_CMD_CHANGE_DEVFLAGS  0x3
    206#define   OCTNET_CMD_RX_CTL           0x4
    207
    208#define	  OCTNET_CMD_SET_MULTI_LIST   0x5
    209#define   OCTNET_CMD_CLEAR_STATS      0x6
    210
    211/* command for setting the speed, duplex & autoneg */
    212#define   OCTNET_CMD_SET_SETTINGS     0x7
    213#define   OCTNET_CMD_SET_FLOW_CTL     0x8
    214
    215#define   OCTNET_CMD_MDIO_READ_WRITE  0x9
    216#define   OCTNET_CMD_GPIO_ACCESS      0xA
    217#define   OCTNET_CMD_LRO_ENABLE       0xB
    218#define   OCTNET_CMD_LRO_DISABLE      0xC
    219#define   OCTNET_CMD_SET_RSS          0xD
    220#define   OCTNET_CMD_WRITE_SA         0xE
    221#define   OCTNET_CMD_DELETE_SA        0xF
    222#define   OCTNET_CMD_UPDATE_SA        0x12
    223
    224#define   OCTNET_CMD_TNL_RX_CSUM_CTL 0x10
    225#define   OCTNET_CMD_TNL_TX_CSUM_CTL 0x11
    226#define   OCTNET_CMD_IPSECV2_AH_ESP_CTL 0x13
    227#define   OCTNET_CMD_VERBOSE_ENABLE   0x14
    228#define   OCTNET_CMD_VERBOSE_DISABLE  0x15
    229
    230#define   OCTNET_CMD_VLAN_FILTER_CTL 0x16
    231#define   OCTNET_CMD_ADD_VLAN_FILTER  0x17
    232#define   OCTNET_CMD_DEL_VLAN_FILTER  0x18
    233#define   OCTNET_CMD_VXLAN_PORT_CONFIG 0x19
    234
    235#define   OCTNET_CMD_ID_ACTIVE         0x1a
    236
    237#define   OCTNET_CMD_SET_UC_LIST       0x1b
    238#define   OCTNET_CMD_SET_VF_LINKSTATE  0x1c
    239
    240#define   OCTNET_CMD_QUEUE_COUNT_CTL	0x1f
    241
    242#define   OCTNET_CMD_GROUP1             1
    243#define   OCTNET_CMD_SET_VF_SPOOFCHK    0x1
    244#define   OCTNET_GROUP1_LAST_CMD        OCTNET_CMD_SET_VF_SPOOFCHK
    245
    246#define   OCTNET_CMD_VXLAN_PORT_ADD    0x0
    247#define   OCTNET_CMD_VXLAN_PORT_DEL    0x1
    248#define   OCTNET_CMD_RXCSUM_ENABLE     0x0
    249#define   OCTNET_CMD_RXCSUM_DISABLE    0x1
    250#define   OCTNET_CMD_TXCSUM_ENABLE     0x0
    251#define   OCTNET_CMD_TXCSUM_DISABLE    0x1
    252#define   OCTNET_CMD_VLAN_FILTER_ENABLE 0x1
    253#define   OCTNET_CMD_VLAN_FILTER_DISABLE 0x0
    254
    255#define   OCTNET_CMD_FAIL 0x1
    256
    257#define   SEAPI_CMD_FEC_SET             0x0
    258#define   SEAPI_CMD_FEC_SET_DISABLE       0x0
    259#define   SEAPI_CMD_FEC_SET_RS            0x1
    260#define   SEAPI_CMD_FEC_GET             0x1
    261
    262#define   SEAPI_CMD_SPEED_SET           0x2
    263#define   SEAPI_CMD_SPEED_GET           0x3
    264
    265#define OPCODE_NIC_VF_PORT_STATS        0x22
    266
    267#define   LIO_CMD_WAIT_TM 100
    268
    269/* RX(packets coming from wire) Checksum verification flags */
    270/* TCP/UDP csum */
    271#define   CNNIC_L4SUM_VERIFIED             0x1
    272#define   CNNIC_IPSUM_VERIFIED             0x2
    273#define   CNNIC_TUN_CSUM_VERIFIED          0x4
    274#define   CNNIC_CSUM_VERIFIED (CNNIC_IPSUM_VERIFIED | CNNIC_L4SUM_VERIFIED)
    275
    276/*LROIPV4 and LROIPV6 Flags*/
    277#define   OCTNIC_LROIPV4    0x1
    278#define   OCTNIC_LROIPV6    0x2
    279
    280/* Interface flags communicated between host driver and core app. */
    281enum octnet_ifflags {
    282	OCTNET_IFFLAG_PROMISC   = 0x01,
    283	OCTNET_IFFLAG_ALLMULTI  = 0x02,
    284	OCTNET_IFFLAG_MULTICAST = 0x04,
    285	OCTNET_IFFLAG_BROADCAST = 0x08,
    286	OCTNET_IFFLAG_UNICAST   = 0x10
    287};
    288
    289/*   wqe
    290 *  ---------------  0
    291 * |  wqe  word0-3 |
    292 *  ---------------  32
    293 * |    PCI IH     |
    294 *  ---------------  40
    295 * |     RPTR      |
    296 *  ---------------  48
    297 * |    PCI IRH    |
    298 *  ---------------  56
    299 * |  OCT_NET_CMD  |
    300 *  ---------------  64
    301 * | Addtl 8-BData |
    302 * |               |
    303 *  ---------------
    304 */
    305
    306union octnet_cmd {
    307	u64 u64;
    308
    309	struct {
    310#ifdef __BIG_ENDIAN_BITFIELD
    311		u64 cmd:5;
    312
    313		u64 more:6; /* How many udd words follow the command */
    314
    315		u64 cmdgroup:8;
    316		u64 reserved:21;
    317
    318		u64 param1:16;
    319
    320		u64 param2:8;
    321
    322#else
    323
    324		u64 param2:8;
    325
    326		u64 param1:16;
    327
    328		u64 reserved:21;
    329		u64 cmdgroup:8;
    330
    331		u64 more:6;
    332
    333		u64 cmd:5;
    334
    335#endif
    336	} s;
    337
    338};
    339
    340#define   OCTNET_CMD_SIZE     (sizeof(union octnet_cmd))
    341
    342/*pkiih3 + irh + ossp[0] + ossp[1] + rdp + rptr = 40 bytes */
    343#define LIO_SOFTCMDRESP_IH2       40
    344#define LIO_SOFTCMDRESP_IH3       (40 + 8)
    345
    346#define LIO_PCICMD_O2             24
    347#define LIO_PCICMD_O3             (24 + 8)
    348
    349/* Instruction Header(DPI) - for OCTEON-III models */
    350struct  octeon_instr_ih3 {
    351#ifdef __BIG_ENDIAN_BITFIELD
    352
    353	/** Reserved3 */
    354	u64     reserved3:1;
    355
    356	/** Gather indicator 1=gather*/
    357	u64     gather:1;
    358
    359	/** Data length OR no. of entries in gather list */
    360	u64     dlengsz:14;
    361
    362	/** Front Data size */
    363	u64     fsz:6;
    364
    365	/** Reserved2 */
    366	u64     reserved2:4;
    367
    368	/** PKI port kind - PKIND */
    369	u64     pkind:6;
    370
    371	/** Reserved1 */
    372	u64     reserved1:32;
    373
    374#else
    375	/** Reserved1 */
    376	u64     reserved1:32;
    377
    378	/** PKI port kind - PKIND */
    379	u64     pkind:6;
    380
    381	/** Reserved2 */
    382	u64     reserved2:4;
    383
    384	/** Front Data size */
    385	u64     fsz:6;
    386
    387	/** Data length OR no. of entries in gather list */
    388	u64     dlengsz:14;
    389
    390	/** Gather indicator 1=gather*/
    391	u64     gather:1;
    392
    393	/** Reserved3 */
    394	u64     reserved3:1;
    395
    396#endif
    397};
    398
    399/* Optional PKI Instruction Header(PKI IH) - for OCTEON-III models */
    400/** BIG ENDIAN format.   */
    401struct  octeon_instr_pki_ih3 {
    402#ifdef __BIG_ENDIAN_BITFIELD
    403
    404	/** Wider bit */
    405	u64     w:1;
    406
    407	/** Raw mode indicator 1 = RAW */
    408	u64     raw:1;
    409
    410	/** Use Tag */
    411	u64     utag:1;
    412
    413	/** Use QPG */
    414	u64     uqpg:1;
    415
    416	/** Reserved2 */
    417	u64     reserved2:1;
    418
    419	/** Parse Mode */
    420	u64     pm:3;
    421
    422	/** Skip Length */
    423	u64     sl:8;
    424
    425	/** Use Tag Type */
    426	u64     utt:1;
    427
    428	/** Tag type */
    429	u64     tagtype:2;
    430
    431	/** Reserved1 */
    432	u64     reserved1:2;
    433
    434	/** QPG Value */
    435	u64     qpg:11;
    436
    437	/** Tag Value */
    438	u64     tag:32;
    439
    440#else
    441
    442	/** Tag Value */
    443	u64     tag:32;
    444
    445	/** QPG Value */
    446	u64     qpg:11;
    447
    448	/** Reserved1 */
    449	u64     reserved1:2;
    450
    451	/** Tag type */
    452	u64     tagtype:2;
    453
    454	/** Use Tag Type */
    455	u64     utt:1;
    456
    457	/** Skip Length */
    458	u64     sl:8;
    459
    460	/** Parse Mode */
    461	u64     pm:3;
    462
    463	/** Reserved2 */
    464	u64     reserved2:1;
    465
    466	/** Use QPG */
    467	u64     uqpg:1;
    468
    469	/** Use Tag */
    470	u64     utag:1;
    471
    472	/** Raw mode indicator 1 = RAW */
    473	u64     raw:1;
    474
    475	/** Wider bit */
    476	u64     w:1;
    477#endif
    478
    479};
    480
    481/** Instruction Header */
    482struct octeon_instr_ih2 {
    483#ifdef __BIG_ENDIAN_BITFIELD
    484	/** Raw mode indicator 1 = RAW */
    485	u64 raw:1;
    486
    487	/** Gather indicator 1=gather*/
    488	u64 gather:1;
    489
    490	/** Data length OR no. of entries in gather list */
    491	u64 dlengsz:14;
    492
    493	/** Front Data size */
    494	u64 fsz:6;
    495
    496	/** Packet Order / Work Unit selection (1 of 8)*/
    497	u64 qos:3;
    498
    499	/** Core group selection (1 of 16) */
    500	u64 grp:4;
    501
    502	/** Short Raw Packet Indicator 1=short raw pkt */
    503	u64 rs:1;
    504
    505	/** Tag type */
    506	u64 tagtype:2;
    507
    508	/** Tag Value */
    509	u64 tag:32;
    510#else
    511	/** Tag Value */
    512	u64 tag:32;
    513
    514	/** Tag type */
    515	u64 tagtype:2;
    516
    517	/** Short Raw Packet Indicator 1=short raw pkt */
    518	u64 rs:1;
    519
    520	/** Core group selection (1 of 16) */
    521	u64 grp:4;
    522
    523	/** Packet Order / Work Unit selection (1 of 8)*/
    524	u64 qos:3;
    525
    526	/** Front Data size */
    527	u64 fsz:6;
    528
    529	/** Data length OR no. of entries in gather list */
    530	u64 dlengsz:14;
    531
    532	/** Gather indicator 1=gather*/
    533	u64 gather:1;
    534
    535	/** Raw mode indicator 1 = RAW */
    536	u64 raw:1;
    537#endif
    538};
    539
    540/** Input Request Header */
    541struct octeon_instr_irh {
    542#ifdef __BIG_ENDIAN_BITFIELD
    543	u64 opcode:4;
    544	u64 rflag:1;
    545	u64 subcode:7;
    546	u64 vlan:12;
    547	u64 priority:3;
    548	u64 reserved:5;
    549	u64 ossp:32;             /* opcode/subcode specific parameters */
    550#else
    551	u64 ossp:32;             /* opcode/subcode specific parameters */
    552	u64 reserved:5;
    553	u64 priority:3;
    554	u64 vlan:12;
    555	u64 subcode:7;
    556	u64 rflag:1;
    557	u64 opcode:4;
    558#endif
    559};
    560
    561/** Return Data Parameters */
    562struct octeon_instr_rdp {
    563#ifdef __BIG_ENDIAN_BITFIELD
    564	u64 reserved:49;
    565	u64 pcie_port:3;
    566	u64 rlen:12;
    567#else
    568	u64 rlen:12;
    569	u64 pcie_port:3;
    570	u64 reserved:49;
    571#endif
    572};
    573
    574/** Receive Header */
    575union octeon_rh {
    576#ifdef __BIG_ENDIAN_BITFIELD
    577	u64 u64;
    578	struct {
    579		u64 opcode:4;
    580		u64 subcode:8;
    581		u64 len:3;     /** additional 64-bit words */
    582		u64 reserved:17;
    583		u64 ossp:32;   /** opcode/subcode specific parameters */
    584	} r;
    585	struct {
    586		u64 opcode:4;
    587		u64 subcode:8;
    588		u64 len:3;     /** additional 64-bit words */
    589		u64 extra:28;
    590		u64 vlan:12;
    591		u64 priority:3;
    592		u64 csum_verified:3;     /** checksum verified. */
    593		u64 has_hwtstamp:1;      /** Has hardware timestamp. 1 = yes. */
    594		u64 encap_on:1;
    595		u64 has_hash:1;          /** Has hash (rth or rss). 1 = yes. */
    596	} r_dh;
    597	struct {
    598		u64 opcode:4;
    599		u64 subcode:8;
    600		u64 len:3;     /** additional 64-bit words */
    601		u64 reserved:11;
    602		u64 num_gmx_ports:8;
    603		u64 max_nic_ports:10;
    604		u64 app_cap_flags:4;
    605		u64 app_mode:8;
    606		u64 pkind:8;
    607	} r_core_drv_init;
    608	struct {
    609		u64 opcode:4;
    610		u64 subcode:8;
    611		u64 len:3;       /** additional 64-bit words */
    612		u64 reserved:8;
    613		u64 extra:25;
    614		u64 gmxport:16;
    615	} r_nic_info;
    616#else
    617	u64 u64;
    618	struct {
    619		u64 ossp:32;  /** opcode/subcode specific parameters */
    620		u64 reserved:17;
    621		u64 len:3;    /** additional 64-bit words */
    622		u64 subcode:8;
    623		u64 opcode:4;
    624	} r;
    625	struct {
    626		u64 has_hash:1;          /** Has hash (rth or rss). 1 = yes. */
    627		u64 encap_on:1;
    628		u64 has_hwtstamp:1;      /** 1 = has hwtstamp */
    629		u64 csum_verified:3;     /** checksum verified. */
    630		u64 priority:3;
    631		u64 vlan:12;
    632		u64 extra:28;
    633		u64 len:3;    /** additional 64-bit words */
    634		u64 subcode:8;
    635		u64 opcode:4;
    636	} r_dh;
    637	struct {
    638		u64 pkind:8;
    639		u64 app_mode:8;
    640		u64 app_cap_flags:4;
    641		u64 max_nic_ports:10;
    642		u64 num_gmx_ports:8;
    643		u64 reserved:11;
    644		u64 len:3;       /** additional 64-bit words */
    645		u64 subcode:8;
    646		u64 opcode:4;
    647	} r_core_drv_init;
    648	struct {
    649		u64 gmxport:16;
    650		u64 extra:25;
    651		u64 reserved:8;
    652		u64 len:3;       /** additional 64-bit words */
    653		u64 subcode:8;
    654		u64 opcode:4;
    655	} r_nic_info;
    656#endif
    657};
    658
    659#define  OCT_RH_SIZE   (sizeof(union  octeon_rh))
    660
    661union octnic_packet_params {
    662	u32 u32;
    663	struct {
    664#ifdef __BIG_ENDIAN_BITFIELD
    665		u32 reserved:24;
    666		u32 ip_csum:1;		/* Perform IP header checksum(s) */
    667		/* Perform Outer transport header checksum */
    668		u32 transport_csum:1;
    669		/* Find tunnel, and perform transport csum. */
    670		u32 tnl_csum:1;
    671		u32 tsflag:1;		/* Timestamp this packet */
    672		u32 ipsec_ops:4;	/* IPsec operation */
    673#else
    674		u32 ipsec_ops:4;
    675		u32 tsflag:1;
    676		u32 tnl_csum:1;
    677		u32 transport_csum:1;
    678		u32 ip_csum:1;
    679		u32 reserved:24;
    680#endif
    681	} s;
    682};
    683
    684/** Status of a RGMII Link on Octeon as seen by core driver. */
    685union oct_link_status {
    686	u64 u64;
    687
    688	struct {
    689#ifdef __BIG_ENDIAN_BITFIELD
    690		u64 duplex:8;
    691		u64 mtu:16;
    692		u64 speed:16;
    693		u64 link_up:1;
    694		u64 autoneg:1;
    695		u64 if_mode:5;
    696		u64 pause:1;
    697		u64 flashing:1;
    698		u64 phy_type:5;
    699		u64 reserved:10;
    700#else
    701		u64 reserved:10;
    702		u64 phy_type:5;
    703		u64 flashing:1;
    704		u64 pause:1;
    705		u64 if_mode:5;
    706		u64 autoneg:1;
    707		u64 link_up:1;
    708		u64 speed:16;
    709		u64 mtu:16;
    710		u64 duplex:8;
    711#endif
    712	} s;
    713};
    714
    715enum lio_phy_type {
    716	LIO_PHY_PORT_TP = 0x0,
    717	LIO_PHY_PORT_FIBRE = 0x1,
    718	LIO_PHY_PORT_UNKNOWN,
    719};
    720
    721/** The txpciq info passed to host from the firmware */
    722
    723union oct_txpciq {
    724	u64 u64;
    725
    726	struct {
    727#ifdef __BIG_ENDIAN_BITFIELD
    728		u64 q_no:8;
    729		u64 port:8;
    730		u64 pkind:6;
    731		u64 use_qpg:1;
    732		u64 qpg:11;
    733		u64 reserved0:10;
    734		u64 ctrl_qpg:11;
    735		u64 reserved:9;
    736#else
    737		u64 reserved:9;
    738		u64 ctrl_qpg:11;
    739		u64 reserved0:10;
    740		u64 qpg:11;
    741		u64 use_qpg:1;
    742		u64 pkind:6;
    743		u64 port:8;
    744		u64 q_no:8;
    745#endif
    746	} s;
    747};
    748
    749/** The rxpciq info passed to host from the firmware */
    750
    751union oct_rxpciq {
    752	u64 u64;
    753
    754	struct {
    755#ifdef __BIG_ENDIAN_BITFIELD
    756		u64 q_no:8;
    757		u64 reserved:56;
    758#else
    759		u64 reserved:56;
    760		u64 q_no:8;
    761#endif
    762	} s;
    763};
    764
    765/** Information for a OCTEON ethernet interface shared between core & host. */
    766struct oct_link_info {
    767	union oct_link_status link;
    768	u64 hw_addr;
    769
    770#ifdef __BIG_ENDIAN_BITFIELD
    771	u64 gmxport:16;
    772	u64 macaddr_is_admin_asgnd:1;
    773	u64 rsvd:13;
    774	u64 macaddr_spoofchk:1;
    775	u64 rsvd1:17;
    776	u64 num_txpciq:8;
    777	u64 num_rxpciq:8;
    778#else
    779	u64 num_rxpciq:8;
    780	u64 num_txpciq:8;
    781	u64 rsvd1:17;
    782	u64 macaddr_spoofchk:1;
    783	u64 rsvd:13;
    784	u64 macaddr_is_admin_asgnd:1;
    785	u64 gmxport:16;
    786#endif
    787
    788	union oct_txpciq txpciq[MAX_IOQS_PER_NICIF];
    789	union oct_rxpciq rxpciq[MAX_IOQS_PER_NICIF];
    790};
    791
    792#define OCT_LINK_INFO_SIZE   (sizeof(struct oct_link_info))
    793
    794struct liquidio_if_cfg_info {
    795	u64 iqmask; /** mask for IQs enabled for  the port */
    796	u64 oqmask; /** mask for OQs enabled for the port */
    797	struct oct_link_info linfo; /** initial link information */
    798	char   liquidio_firmware_version[32];
    799};
    800
    801/** Stats for each NIC port in RX direction. */
    802struct nic_rx_stats {
    803	/* link-level stats */
    804	u64 total_rcvd;		/* Received packets */
    805	u64 bytes_rcvd;		/* Octets of received packets */
    806	u64 total_bcst;		/* Number of non-dropped L2 broadcast packets */
    807	u64 total_mcst;		/* Number of non-dropped L2 multicast packets */
    808	u64 runts;		/* Packets shorter than allowed */
    809	u64 ctl_rcvd;		/* Received PAUSE packets */
    810	u64 fifo_err;		/* Packets dropped due to RX FIFO full */
    811	u64 dmac_drop;		/* Packets dropped by the DMAC filter */
    812	u64 fcs_err;		/* Sum of fragment, overrun, and FCS errors */
    813	u64 jabber_err;		/* Packets larger than allowed */
    814	u64 l2_err;		/* Sum of DMA, parity, PCAM access, no memory,
    815				 * buffer overflow, malformed L2 header or
    816				 * length, oversize errors
    817				 **/
    818	u64 frame_err;		/* Sum of IPv4 and L4 checksum errors */
    819	u64 red_drops;		/* Packets dropped by RED due to buffer
    820				 * exhaustion
    821				 **/
    822
    823	/* firmware stats */
    824	u64 fw_total_rcvd;
    825	u64 fw_total_fwd;
    826	u64 fw_total_fwd_bytes;
    827	u64 fw_total_mcast;
    828	u64 fw_total_bcast;
    829
    830	u64 fw_err_pko;
    831	u64 fw_err_link;
    832	u64 fw_err_drop;
    833	u64 fw_rx_vxlan;
    834	u64 fw_rx_vxlan_err;
    835
    836	/* LRO */
    837	u64 fw_lro_pkts;   /* Number of packets that are LROed      */
    838	u64 fw_lro_octs;   /* Number of octets that are LROed       */
    839	u64 fw_total_lro;  /* Number of LRO packets formed          */
    840	u64 fw_lro_aborts; /* Number of times LRO of packet aborted */
    841	u64 fw_lro_aborts_port;
    842	u64 fw_lro_aborts_seq;
    843	u64 fw_lro_aborts_tsval;
    844	u64 fw_lro_aborts_timer;	/* Timer setting error */
    845	/* intrmod: packet forward rate */
    846	u64 fwd_rate;
    847};
    848
    849/** Stats for each NIC port in RX direction. */
    850struct nic_tx_stats {
    851	/* link-level stats */
    852	u64 total_pkts_sent;		/* Total frames sent on the interface */
    853	u64 total_bytes_sent;		/* Total octets sent on the interface */
    854	u64 mcast_pkts_sent;		/* Packets sent to the multicast DMAC */
    855	u64 bcast_pkts_sent;		/* Packets sent to a broadcast DMAC */
    856	u64 ctl_sent;			/* Control/PAUSE packets sent */
    857	u64 one_collision_sent;		/* Packets sent that experienced a
    858					 * single collision before successful
    859					 * transmission
    860					 **/
    861	u64 multi_collision_sent;	/* Packets sent that experienced
    862					 * multiple collisions before successful
    863					 * transmission
    864					 **/
    865	u64 max_collision_fail;		/* Packets dropped due to excessive
    866					 * collisions
    867					 **/
    868	u64 max_deferral_fail;		/* Packets not sent due to max
    869					 * deferrals
    870					 **/
    871	u64 fifo_err;			/* Packets sent that experienced a
    872					 * transmit underflow and were
    873					 * truncated
    874					 **/
    875	u64 runts;			/* Packets sent with an octet count
    876					 * lessthan 64
    877					 **/
    878	u64 total_collisions;		/* Packets dropped due to excessive
    879					 * collisions
    880					 **/
    881
    882	/* firmware stats */
    883	u64 fw_total_sent;
    884	u64 fw_total_fwd;
    885	u64 fw_total_fwd_bytes;
    886	u64 fw_total_mcast_sent;
    887	u64 fw_total_bcast_sent;
    888	u64 fw_err_pko;
    889	u64 fw_err_link;
    890	u64 fw_err_drop;
    891	u64 fw_err_tso;
    892	u64 fw_tso;		/* number of tso requests */
    893	u64 fw_tso_fwd;		/* number of packets segmented in tso */
    894	u64 fw_tx_vxlan;
    895	u64 fw_err_pki;
    896};
    897
    898struct oct_link_stats {
    899	struct nic_rx_stats fromwire;
    900	struct nic_tx_stats fromhost;
    901
    902};
    903
    904static inline int opcode_slow_path(union octeon_rh *rh)
    905{
    906	u16 subcode1, subcode2;
    907
    908	subcode1 = OPCODE_SUBCODE((rh)->r.opcode, (rh)->r.subcode);
    909	subcode2 = OPCODE_SUBCODE(OPCODE_NIC, OPCODE_NIC_NW_DATA);
    910
    911	return (subcode2 != subcode1);
    912}
    913
    914#define LIO68XX_LED_CTRL_ADDR     0x3501
    915#define LIO68XX_LED_CTRL_CFGON    0x1f
    916#define LIO68XX_LED_CTRL_CFGOFF   0x100
    917#define LIO68XX_LED_BEACON_ADDR   0x3508
    918#define LIO68XX_LED_BEACON_CFGON  0x47fd
    919#define LIO68XX_LED_BEACON_CFGOFF 0x11fc
    920#define VITESSE_PHY_GPIO_DRIVEON  0x1
    921#define VITESSE_PHY_GPIO_CFG      0x8
    922#define VITESSE_PHY_GPIO_DRIVEOFF 0x4
    923#define VITESSE_PHY_GPIO_HIGH     0x2
    924#define VITESSE_PHY_GPIO_LOW      0x3
    925#define LED_IDENTIFICATION_ON     0x1
    926#define LED_IDENTIFICATION_OFF    0x0
    927#define LIO23XX_COPPERHEAD_LED_GPIO 0x2
    928
    929struct oct_mdio_cmd {
    930	u64 op;
    931	u64 mdio_addr;
    932	u64 value1;
    933	u64 value2;
    934	u64 value3;
    935};
    936
    937#define OCT_LINK_STATS_SIZE   (sizeof(struct oct_link_stats))
    938
    939struct oct_intrmod_cfg {
    940	u64 rx_enable;
    941	u64 tx_enable;
    942	u64 check_intrvl;
    943	u64 maxpkt_ratethr;
    944	u64 minpkt_ratethr;
    945	u64 rx_maxcnt_trigger;
    946	u64 rx_mincnt_trigger;
    947	u64 rx_maxtmr_trigger;
    948	u64 rx_mintmr_trigger;
    949	u64 tx_mincnt_trigger;
    950	u64 tx_maxcnt_trigger;
    951	u64 rx_frames;
    952	u64 tx_frames;
    953	u64 rx_usecs;
    954};
    955
    956#define BASE_QUEUE_NOT_REQUESTED 65535
    957
    958union oct_nic_if_cfg {
    959	u64 u64;
    960	struct {
    961#ifdef __BIG_ENDIAN_BITFIELD
    962		u64 base_queue:16;
    963		u64 num_iqueues:16;
    964		u64 num_oqueues:16;
    965		u64 gmx_port_id:8;
    966		u64 vf_id:8;
    967#else
    968		u64 vf_id:8;
    969		u64 gmx_port_id:8;
    970		u64 num_oqueues:16;
    971		u64 num_iqueues:16;
    972		u64 base_queue:16;
    973#endif
    974	} s;
    975};
    976
    977struct lio_trusted_vf {
    978	uint64_t active: 1;
    979	uint64_t id : 8;
    980	uint64_t reserved: 55;
    981};
    982
    983struct lio_time {
    984	s64 sec;   /* seconds */
    985	s64 nsec;  /* nanoseconds */
    986};
    987
    988struct lio_vf_rep_stats {
    989	u64 tx_packets;
    990	u64 tx_bytes;
    991	u64 tx_dropped;
    992
    993	u64 rx_packets;
    994	u64 rx_bytes;
    995	u64 rx_dropped;
    996};
    997
    998enum lio_vf_rep_req_type {
    999	LIO_VF_REP_REQ_NONE,
   1000	LIO_VF_REP_REQ_STATE,
   1001	LIO_VF_REP_REQ_MTU,
   1002	LIO_VF_REP_REQ_STATS,
   1003	LIO_VF_REP_REQ_DEVNAME
   1004};
   1005
   1006enum {
   1007	LIO_VF_REP_STATE_DOWN,
   1008	LIO_VF_REP_STATE_UP
   1009};
   1010
   1011#define LIO_IF_NAME_SIZE 16
   1012struct lio_vf_rep_req {
   1013	u8 req_type;
   1014	u8 ifidx;
   1015	u8 rsvd[6];
   1016
   1017	union {
   1018		struct lio_vf_rep_name {
   1019			char name[LIO_IF_NAME_SIZE];
   1020		} rep_name;
   1021
   1022		struct lio_vf_rep_mtu {
   1023			u32 mtu;
   1024			u32 rsvd;
   1025		} rep_mtu;
   1026
   1027		struct lio_vf_rep_state {
   1028			u8 state;
   1029			u8 rsvd[7];
   1030		} rep_state;
   1031	};
   1032};
   1033
   1034struct lio_vf_rep_resp {
   1035	u64 rh;
   1036	u8  status;
   1037	u8  rsvd[7];
   1038};
   1039#endif