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273 lines
7.7 KiB
C
273 lines
7.7 KiB
C
/*
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* Copyright (c) 1995, David Greenman
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: if_fxpreg.h,v 1.2 1995/12/05 11:49:55 davidg Exp $
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*/
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#define FXP_VENDORID_INTEL 0x8086
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#define FXP_DEVICEID_i82557 0x1229
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#define FXP_PCI_MMBA 0x10
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#define FXP_PCI_IOBA 0x14
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struct fxp_csr {
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volatile u_int8_t :2,
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scb_rus:4,
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scb_cus:2;
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volatile u_int8_t scb_statack;
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volatile u_int8_t scb_command;
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volatile u_int8_t scb_intrcntl;
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volatile u_int32_t scb_general;
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volatile u_int32_t port;
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volatile u_int16_t flash_control;
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volatile u_int16_t eeprom_control;
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volatile u_int32_t mdi_control;
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};
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#define FXP_SCB_RUS_IDLE 0
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#define FXP_SCB_RUS_SUSPENDED 1
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#define FXP_SCB_RUS_NORESOURCES 2
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#define FXP_SCB_RUS_READY 4
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#define FXP_SCB_RUS_SUSP_NORBDS 9
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#define FXP_SCB_RUS_NORES_NORBDS 10
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#define FXP_SCB_RUS_READY_NORBDS 12
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#define FXP_SCB_CUS_IDLE 0
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#define FXP_SCB_CUS_SUSPENDED 1
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#define FXP_SCB_CUS_ACTIVE 2
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#define FXP_SCB_STATACK_SWI 0x04
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#define FXP_SCB_STATACK_MDI 0x08
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#define FXP_SCB_STATACK_RNR 0x10
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#define FXP_SCB_STATACK_CNA 0x20
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#define FXP_SCB_STATACK_FR 0x40
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#define FXP_SCB_STATACK_CXTNO 0x80
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#define FXP_SCB_COMMAND_MASK 0xff
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#define FXP_SCB_COMMAND_CU_NOP 0x00
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#define FXP_SCB_COMMAND_CU_START 0x10
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#define FXP_SCB_COMMAND_CU_RESUME 0x20
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#define FXP_SCB_COMMAND_CU_DUMP_ADR 0x40
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#define FXP_SCB_COMMAND_CU_DUMP 0x50
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#define FXP_SCB_COMMAND_CU_BASE 0x60
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#define FXP_SCB_COMMAND_CU_DUMPRESET 0x70
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#define FXP_SCB_COMMAND_RU_NOP 0
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#define FXP_SCB_COMMAND_RU_START 1
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#define FXP_SCB_COMMAND_RU_RESUME 2
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#define FXP_SCB_COMMAND_RU_ABORT 4
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#define FXP_SCB_COMMAND_RU_LOADHDS 5
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#define FXP_SCB_COMMAND_RU_BASE 6
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#define FXP_SCB_COMMAND_RU_RBDRESUME 7
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/*
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* Command block definitions
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*/
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struct fxp_cb_nop {
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volatile u_int16_t cb_status;
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volatile u_int16_t cb_command;
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volatile u_int32_t link_addr;
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};
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struct fxp_cb_ias {
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volatile u_int16_t cb_status;
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volatile u_int16_t cb_command;
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volatile u_int32_t link_addr;
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volatile u_int8_t macaddr[6];
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};
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/* I hate bit-fields :-( */
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struct fxp_cb_config {
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volatile u_int16_t cb_status;
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volatile u_int16_t cb_command;
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volatile u_int32_t link_addr;
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volatile u_int8_t byte_count:6,
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:2;
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volatile u_int8_t rx_fifo_limit:4,
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tx_fifo_limit:3,
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:1;
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volatile u_int8_t adaptive_ifs;
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volatile u_int8_t :8;
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volatile u_int8_t rx_dma_bytecount:7,
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:1;
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volatile u_int8_t tx_dma_bytecount:7,
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dma_bce:1;
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volatile u_int8_t late_scb:1,
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:1,
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tno_int:1,
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ci_int:1,
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:3,
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save_bf:1;
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volatile u_int8_t disc_short_rx:1,
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underrun_retry:2,
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:5;
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volatile u_int8_t mediatype:1,
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:7;
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volatile u_int8_t :8;
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volatile u_int8_t :3,
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nsai:1,
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preamble_length:2,
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loopback:2;
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volatile u_int8_t linear_priority:3,
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:5;
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volatile u_int8_t linear_pri_mode:1,
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:3,
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interfrm_spacing:4;
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volatile u_int8_t :8;
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volatile u_int8_t :8;
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volatile u_int8_t promiscuous:1,
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bcast_disable:1,
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:5,
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crscdt:1;
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volatile u_int8_t :8;
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volatile u_int8_t :8;
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volatile u_int8_t stripping:1,
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padding:1,
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rcv_crc_xfer:1,
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:5;
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volatile u_int8_t :6,
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force_fdx:1,
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fdx_pin_en:1;
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volatile u_int8_t :6,
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multi_ia:1,
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:1;
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volatile u_int8_t :3,
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mc_all:1,
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:4;
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};
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struct fxp_tbd {
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volatile u_int32_t tb_addr;
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volatile u_int32_t tb_size;
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};
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struct fxp_cb_tx {
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volatile u_int16_t cb_status;
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volatile u_int16_t cb_command;
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volatile u_int32_t link_addr;
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volatile u_int32_t tbd_array_addr;
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volatile u_int16_t byte_count;
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volatile u_int8_t tx_threshold;
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volatile u_int8_t tbd_number;
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/*
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* The following isn't actually part of the TxCB.
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*/
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volatile struct fxp_tbd tbd[29];
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struct mbuf *mb_head;
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struct fxp_cb_tx *next;
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};
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/*
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* Control Block (CB) definitions
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*/
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/* status */
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#define FXP_CB_STATUS_OK 0x2000
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#define FXP_CB_STATUS_C 0x8000
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/* commands */
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#define FXP_CB_COMMAND_NOP 0x0
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#define FXP_CB_COMMAND_IAS 0x1
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#define FXP_CB_COMMAND_CONFIG 0x2
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#define FXP_CB_COMMAND_MAS 0x3
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#define FXP_CB_COMMAND_XMIT 0x4
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#define FXP_CB_COMMAND_RESRV 0x5
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#define FXP_CB_COMMAND_DUMP 0x6
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#define FXP_CB_COMMAND_DIAG 0x7
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/* command flags */
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#define FXP_CB_COMMAND_SF 0x0008 /* simple/flexible mode */
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#define FXP_CB_COMMAND_I 0x2000 /* generate interrupt on completion */
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#define FXP_CB_COMMAND_S 0x4000 /* suspend on completion */
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#define FXP_CB_COMMAND_EL 0x8000 /* end of list */
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/*
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* RFA definitions
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*/
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struct fxp_rfa {
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volatile u_int16_t rfa_status;
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volatile u_int16_t rfa_control;
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volatile u_int32_t link_addr;
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volatile u_int32_t rbd_addr;
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volatile u_int16_t actual_size;
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volatile u_int16_t size;
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};
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#define FXP_RFA_STATUS_RCOL 0x0001 /* receive collision */
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#define FXP_RFA_STATUS_IAMATCH 0x0002 /* 0 = matches station address */
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#define FXP_RFA_STATUS_S4 0x0010 /* receive error from PHY */
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#define FXP_RFA_STATUS_TL 0x0020 /* type/length */
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#define FXP_RFA_STATUS_FTS 0x0080 /* frame too short */
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#define FXP_RFA_STATUS_OVERRUN 0x0100 /* DMA overrun */
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#define FXP_RFA_STATUS_RNR 0x0200 /* no resources */
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#define FXP_RFA_STATUS_ALIGN 0x0400 /* alignment error */
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#define FXP_RFA_STATUS_CRC 0x0800 /* CRC error */
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#define FXP_RFA_STATUS_OK 0x2000 /* packet received okay */
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#define FXP_RFA_STATUS_C 0x8000 /* packet reception complete */
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#define FXP_RFA_CONTROL_SF 0x08 /* simple/flexible memory mode */
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#define FXP_RFA_CONTROL_H 0x10 /* header RFD */
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#define FXP_RFA_CONTROL_S 0x4000 /* suspend after reception */
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#define FXP_RFA_CONTROL_EL 0x8000 /* end of list */
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/*
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* Statistics dump area definitions
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*/
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struct fxp_stats {
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volatile u_int32_t tx_good;
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volatile u_int32_t tx_maxcols;
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volatile u_int32_t tx_latecols;
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volatile u_int32_t tx_underruns;
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volatile u_int32_t tx_lostcrs;
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volatile u_int32_t tx_deffered;
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volatile u_int32_t tx_single_collisions;
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volatile u_int32_t tx_multiple_collisions;
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volatile u_int32_t tx_total_collisions;
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volatile u_int32_t rx_good;
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volatile u_int32_t rx_crc_errors;
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volatile u_int32_t rx_alignment_errors;
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volatile u_int32_t rx_rnr_errors;
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volatile u_int32_t rx_overrun_errors;
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volatile u_int32_t rx_cdt_errors;
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volatile u_int32_t rx_shortframes;
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volatile u_int32_t completion_status;
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};
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#define FXP_STATS_DUMP_COMPLETE 0xa005
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#define FXP_STATS_DR_COMPLETE 0xa007
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/*
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* Serial EEPROM control register bits
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*/
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/* shift clock */
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#define FXP_EEPROM_EESK 0x01
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/* chip select */
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#define FXP_EEPROM_EECS 0x02
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/* data in */
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#define FXP_EEPROM_EEDI 0x04
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/* data out */
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#define FXP_EEPROM_EEDO 0x08
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/*
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* Serial EEPROM opcodes, including start bit
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*/
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#define FXP_EEPROM_OPC_ERASE 0x4
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#define FXP_EEPROM_OPC_WRITE 0x5
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#define FXP_EEPROM_OPC_READ 0x6
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