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/* bnx2fc_constants.h: QLogic NetXtreme II Linux FCoE offload driver.
* Handles operations such as session offload/upload etc, and manages
* session resources such as connection id and qp resources.
*
* Copyright (c) 2008 - 2013 Broadcom Corporation
* Copyright (c) 2014, QLogic Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation.
*
*/
#ifndef __BNX2FC_CONSTANTS_H_
#define __BNX2FC_CONSTANTS_H_
/**
* This file defines HSI constants for the FCoE flows
*/
/* Current FCoE HSI version number composed of two fields (16 bit) */
/* Implies on a change broken previous HSI */
#define FCOE_HSI_MAJOR_VERSION (2)
/* Implies on a change which does not broken previous HSI */
#define FCOE_HSI_MINOR_VERSION (1)
/* KWQ/KCQ FCoE layer code */
#define FCOE_KWQE_LAYER_CODE (7)
/* KWQ (kernel work queue) request op codes */
#define FCOE_KWQE_OPCODE_INIT1 (0)
#define FCOE_KWQE_OPCODE_INIT2 (1)
#define FCOE_KWQE_OPCODE_INIT3 (2)
#define FCOE_KWQE_OPCODE_OFFLOAD_CONN1 (3)
#define FCOE_KWQE_OPCODE_OFFLOAD_CONN2 (4)
#define FCOE_KWQE_OPCODE_OFFLOAD_CONN3 (5)
#define FCOE_KWQE_OPCODE_OFFLOAD_CONN4 (6)
#define FCOE_KWQE_OPCODE_ENABLE_CONN (7)
#define FCOE_KWQE_OPCODE_DISABLE_CONN (8)
#define FCOE_KWQE_OPCODE_DESTROY_CONN (9)
#define FCOE_KWQE_OPCODE_DESTROY (10)
#define FCOE_KWQE_OPCODE_STAT (11)
/* KCQ (kernel completion queue) response op codes */
#define FCOE_KCQE_OPCODE_INIT_FUNC (0x10)
#define FCOE_KCQE_OPCODE_DESTROY_FUNC (0x11)
#define FCOE_KCQE_OPCODE_STAT_FUNC (0x12)
#define FCOE_KCQE_OPCODE_OFFLOAD_CONN (0x15)
#define FCOE_KCQE_OPCODE_ENABLE_CONN (0x16)
#define FCOE_KCQE_OPCODE_DISABLE_CONN (0x17)
#define FCOE_KCQE_OPCODE_DESTROY_CONN (0x18)
#define FCOE_KCQE_OPCODE_CQ_EVENT_NOTIFICATION (0x20)
#define FCOE_KCQE_OPCODE_FCOE_ERROR (0x21)
/* KCQ (kernel completion queue) completion status */
#define FCOE_KCQE_COMPLETION_STATUS_SUCCESS (0x0)
#define FCOE_KCQE_COMPLETION_STATUS_ERROR (0x1)
#define FCOE_KCQE_COMPLETION_STATUS_INVALID_OPCODE (0x2)
#define FCOE_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAILURE (0x3)
#define FCOE_KCQE_COMPLETION_STATUS_CTX_FREE_FAILURE (0x4)
#define FCOE_KCQE_COMPLETION_STATUS_NIC_ERROR (0x5)
#define FCOE_KCQE_COMPLETION_STATUS_WRONG_HSI_VERSION (0x6)
#define FCOE_KCQE_COMPLETION_STATUS_PARITY_ERROR (0x81)
/* CQE type */
#define FCOE_PENDING_CQE_TYPE 0
#define FCOE_UNSOLIC_CQE_TYPE 1
/* Unsolicited CQE type */
#define FCOE_UNSOLICITED_FRAME_CQE_TYPE 0
#define FCOE_ERROR_DETECTION_CQE_TYPE 1
#define FCOE_WARNING_DETECTION_CQE_TYPE 2
/* E_D_TOV timer resolution in ms */
#define FCOE_E_D_TOV_TIMER_RESOLUTION_MS (20)
/* E_D_TOV timer resolution for SDM (4 micro) */
#define FCOE_E_D_TOV_SDM_TIMER_RESOLUTION \
(FCOE_E_D_TOV_TIMER_RESOLUTION_MS * 1000 / 4)
/* REC timer resolution in ms */
#define FCOE_REC_TIMER_RESOLUTION_MS (20)
/* REC timer resolution for SDM (4 micro) */
#define FCOE_REC_SDM_TIMER_RESOLUTION (FCOE_REC_TIMER_RESOLUTION_MS * 1000 / 4)
/* E_D_TOV timer default wraparound value (2 sec) in 20 ms resolution */
#define FCOE_E_D_TOV_DEFAULT_WRAPAROUND_VAL \
(2000 / FCOE_E_D_TOV_TIMER_RESOLUTION_MS)
/* REC_TOV timer default wraparound value (3 sec) in 20 ms resolution */
#define FCOE_REC_TOV_DEFAULT_WRAPAROUND_VAL \
(3000 / FCOE_REC_TIMER_RESOLUTION_MS)
#define FCOE_NUM_OF_TIMER_TASKS (8 * 1024)
#define FCOE_NUM_OF_CACHED_TASKS_TIMER (8)
/* Task context constants */
/******** Remove FCP_CMD write tce sleep ***********************/
/* In case timer services are required then shall be updated by Xstorm after
* start processing the task. In case no timer facilities are required then the
* driver would initialize the state to this value
*
#define FCOE_TASK_TX_STATE_NORMAL 0
* After driver has initialize the task in case timer services required *
#define FCOE_TASK_TX_STATE_INIT 1
******** Remove FCP_CMD write tce sleep ***********************/
/* After driver has initialize the task in case timer services required */
#define FCOE_TASK_TX_STATE_INIT 0
/* In case timer services are required then shall be updated by Xstorm after
* start processing the task. In case no timer facilities are required then the
* driver would initialize the state to this value
*/
#define FCOE_TASK_TX_STATE_NORMAL 1
/* Task is under abort procedure. Updated in order to stop processing of
* pending WQEs on this task
*/
#define FCOE_TASK_TX_STATE_ABORT 2
/* For E_D_T_TOV timer expiration in Xstorm (Class 2 only) */
#define FCOE_TASK_TX_STATE_ERROR 3
/* For REC_TOV timer expiration indication received from Xstorm */
#define FCOE_TASK_TX_STATE_WARNING 4
/* For completed unsolicited task */
#define FCOE_TASK_TX_STATE_UNSOLICITED_COMPLETED 5
/* For exchange cleanup request task */
#define FCOE_TASK_TX_STATE_EXCHANGE_CLEANUP 6
/* For sequence cleanup request task */
#define FCOE_TASK_TX_STATE_SEQUENCE_CLEANUP 7
/* For completion the ABTS task. */
#define FCOE_TASK_TX_STATE_ABTS_TX 8
#define FCOE_TASK_RX_STATE_NORMAL 0
#define FCOE_TASK_RX_STATE_COMPLETED 1
/* Obsolete: Intermediate completion (middle path with local completion) */
#define FCOE_TASK_RX_STATE_INTER_COMP 2
/* For REC_TOV timer expiration indication received from Xstorm */
#define FCOE_TASK_RX_STATE_WARNING 3
/* For E_D_T_TOV timer expiration in Ustorm */
#define FCOE_TASK_RX_STATE_ERROR 4
/* FW only: First visit at rx-path, part of the abts round trip */
#define FCOE_TASK_RX_STATE_ABTS_IN_PROCESS 5
/* FW only: Second visit at rx-path, after ABTS frame transmitted */
#define FCOE_TASK_RX_STATE_ABTS_TRANSMITTED 6
/* Special completion indication in case of task was aborted. */
#define FCOE_TASK_RX_STATE_ABTS_COMPLETED 7
/* FW only: First visit at rx-path, part of the cleanup round trip */
#define FCOE_TASK_RX_STATE_EXCHANGE_CLEANUP_IN_PROCESS 8
/* FW only: Special completion indication in case of task was cleaned. */
#define FCOE_TASK_RX_STATE_EXCHANGE_CLEANUP_COMPLETED 9
/* Not in used: Special completion indication (in task requested the exchange
* cleanup) in case cleaned task is in non-valid.
*/
#define FCOE_TASK_RX_STATE_ABORT_CLEANUP_COMPLETED 10
/* Special completion indication (in task requested the sequence cleanup) in
* case cleaned task was already returned to normal.
*/
#define FCOE_TASK_RX_STATE_IGNORED_SEQUENCE_CLEANUP 11
#define FCOE_TASK_TYPE_WRITE 0
#define FCOE_TASK_TYPE_READ 1
#define FCOE_TASK_TYPE_MIDPATH 2
#define FCOE_TASK_TYPE_UNSOLICITED 3
#define FCOE_TASK_TYPE_ABTS 4
#define FCOE_TASK_TYPE_EXCHANGE_CLEANUP 5
#define FCOE_TASK_TYPE_SEQUENCE_CLEANUP 6
#define FCOE_TASK_DEV_TYPE_DISK 0
#define FCOE_TASK_DEV_TYPE_TAPE 1
#define FCOE_TASK_CLASS_TYPE_3 0
#define FCOE_TASK_CLASS_TYPE_2 1
/* FCoE/FC packet fields */
#define FCOE_ETH_TYPE 0x8906
/* FCoE maximum elements in hash table */
#define FCOE_MAX_ELEMENTS_IN_HASH_TABLE_ROW 8
/* FCoE half of the elements in hash table */
#define FCOE_HALF_ELEMENTS_IN_HASH_TABLE_ROW \
(FCOE_MAX_ELEMENTS_IN_HASH_TABLE_ROW / 2)
/* FcoE number of cached T2 entries */
#define T_FCOE_NUMBER_OF_CACHED_T2_ENTRIES (4)
/* FCoE maximum elements in hash table */
#define FCOE_HASH_TBL_CHUNK_SIZE 16384
/* Everest FCoE connection type */
#define B577XX_FCOE_CONNECTION_TYPE 4
/* FCoE number of rows (in log). This number derives
* from the maximum connections supported which is 2048.
* TBA: Need a different constant for E2
*/
#define FCOE_MAX_NUM_SESSIONS_LOG 11
#define FC_ABTS_REPLY_MAX_PAYLOAD_LEN 12
/* Error codes for Error Reporting in slow path flows */
#define FCOE_SLOW_PATH_ERROR_CODE_TOO_MANY_FUNCS 0
#define FCOE_SLOW_PATH_ERROR_CODE_NO_LICENSE 1
/* Error codes for Error Reporting in fast path flows
* XFER error codes
*/
#define FCOE_ERROR_CODE_XFER_OOO_RO 0
#define FCOE_ERROR_CODE_XFER_RO_NOT_ALIGNED 1
#define FCOE_ERROR_CODE_XFER_NULL_BURST_LEN 2
#define FCOE_ERROR_CODE_XFER_RO_GREATER_THAN_DATA2TRNS 3
#define FCOE_ERROR_CODE_XFER_INVALID_PAYLOAD_SIZE 4
#define FCOE_ERROR_CODE_XFER_TASK_TYPE_NOT_WRITE 5
#define FCOE_ERROR_CODE_XFER_PEND_XFER_SET 6
#define FCOE_ERROR_CODE_XFER_OPENED_SEQ 7
#define FCOE_ERROR_CODE_XFER_FCTL 8
/* FCP RSP error codes */
#define FCOE_ERROR_CODE_FCP_RSP_BIDI_FLAGS_SET 9
#define FCOE_ERROR_CODE_FCP_RSP_UNDERFLOW 10
#define FCOE_ERROR_CODE_FCP_RSP_OVERFLOW 11
#define FCOE_ERROR_CODE_FCP_RSP_INVALID_LENGTH_FIELD 12
#define FCOE_ERROR_CODE_FCP_RSP_INVALID_SNS_FIELD 13
#define FCOE_ERROR_CODE_FCP_RSP_INVALID_PAYLOAD_SIZE 14
#define FCOE_ERROR_CODE_FCP_RSP_PEND_XFER_SET 15
#define FCOE_ERROR_CODE_FCP_RSP_OPENED_SEQ 16
#define FCOE_ERROR_CODE_FCP_RSP_FCTL 17
#define FCOE_ERROR_CODE_FCP_RSP_LAST_SEQ_RESET 18
#define FCOE_ERROR_CODE_FCP_RSP_CONF_REQ_NOT_SUPPORTED_YET 19
/* FCP DATA error codes */
#define FCOE_ERROR_CODE_DATA_OOO_RO 20
#define FCOE_ERROR_CODE_DATA_EXCEEDS_DEFINED_MAX_FRAME_SIZE 21
#define FCOE_ERROR_CODE_DATA_EXCEEDS_DATA2TRNS 22
#define FCOE_ERROR_CODE_DATA_SOFI3_SEQ_ACTIVE_SET 23
#define FCOE_ERROR_CODE_DATA_SOFN_SEQ_ACTIVE_RESET 24
#define FCOE_ERROR_CODE_DATA_EOFN_END_SEQ_SET 25
#define FCOE_ERROR_CODE_DATA_EOFT_END_SEQ_RESET 26
#define FCOE_ERROR_CODE_DATA_TASK_TYPE_NOT_READ 27
#define FCOE_ERROR_CODE_DATA_FCTL 28
/* Middle path error codes */
#define FCOE_ERROR_CODE_MIDPATH_INVALID_TYPE 29
#define FCOE_ERROR_CODE_MIDPATH_SOFI3_SEQ_ACTIVE_SET 30
#define FCOE_ERROR_CODE_MIDPATH_SOFN_SEQ_ACTIVE_RESET 31
#define FCOE_ERROR_CODE_MIDPATH_EOFN_END_SEQ_SET 32
#define FCOE_ERROR_CODE_MIDPATH_EOFT_END_SEQ_RESET 33
#define FCOE_ERROR_CODE_MIDPATH_REPLY_FCTL 34
#define FCOE_ERROR_CODE_MIDPATH_INVALID_REPLY 35
#define FCOE_ERROR_CODE_MIDPATH_ELS_REPLY_RCTL 36
/* ABTS error codes */
#define FCOE_ERROR_CODE_ABTS_REPLY_F_CTL 37
#define FCOE_ERROR_CODE_ABTS_REPLY_DDF_RCTL_FIELD 38
#define FCOE_ERROR_CODE_ABTS_REPLY_INVALID_BLS_RCTL 39
#define FCOE_ERROR_CODE_ABTS_REPLY_INVALID_RCTL 40
#define FCOE_ERROR_CODE_ABTS_REPLY_RCTL_GENERAL_MISMATCH 41
/* Common error codes */
#define FCOE_ERROR_CODE_COMMON_MIDDLE_FRAME_WITH_PAD 42
#define FCOE_ERROR_CODE_COMMON_SEQ_INIT_IN_TCE 43
#define FCOE_ERROR_CODE_COMMON_FC_HDR_RX_ID_MISMATCH 44
#define FCOE_ERROR_CODE_COMMON_INCORRECT_SEQ_CNT 45
#define FCOE_ERROR_CODE_COMMON_DATA_FC_HDR_FCP_TYPE_MISMATCH 46
#define FCOE_ERROR_CODE_COMMON_DATA_NO_MORE_SGES 47
#define FCOE_ERROR_CODE_COMMON_OPTIONAL_FC_HDR 48
#define FCOE_ERROR_CODE_COMMON_READ_TCE_OX_ID_TOO_BIG 49
#define FCOE_ERROR_CODE_COMMON_DATA_WAS_NOT_TRANSMITTED 50
/* Unsolicited Rx error codes */
#define FCOE_ERROR_CODE_UNSOLICITED_TYPE_NOT_ELS 51
#define FCOE_ERROR_CODE_UNSOLICITED_TYPE_NOT_BLS 52
#define FCOE_ERROR_CODE_UNSOLICITED_FCTL_ELS 53
#define FCOE_ERROR_CODE_UNSOLICITED_FCTL_BLS 54
#define FCOE_ERROR_CODE_UNSOLICITED_R_CTL 55
#define FCOE_ERROR_CODE_RW_TASK_DDF_RCTL_INFO_FIELD 56
#define FCOE_ERROR_CODE_RW_TASK_INVALID_RCTL 57
#define FCOE_ERROR_CODE_RW_TASK_RCTL_GENERAL_MISMATCH 58
/* Timer error codes */
#define FCOE_ERROR_CODE_E_D_TOV_TIMER_EXPIRATION 60
#define FCOE_ERROR_CODE_REC_TOV_TIMER_EXPIRATION 61
#endif /* BNX2FC_CONSTANTS_H_ */
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