345 lines
10 KiB
C
345 lines
10 KiB
C
/*
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* lanstreamer.h -- driver for the IBM Auto LANStreamer PCI Adapter
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*
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* Written By: Mike Sullivan, IBM Corporation
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*
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* Copyright (C) 1999 IBM Corporation
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*
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* Linux driver for IBM PCI tokenring cards based on the LanStreamer MPC
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* chipset.
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*
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* This driver is based on the olympic driver for IBM PCI TokenRing cards (Pit/Pit-Phy/Olympic
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* chipsets) written by:
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* 1999 Peter De Schrijver All Rights Reserved
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* 1999 Mike Phillips (phillim@amtrak.com)
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*
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* Base Driver Skeleton:
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* Written 1993-94 by Donald Becker.
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*
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* Copyright 1993 United States Government as represented by the
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* Director, National Security Agency.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* NO WARRANTY
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* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
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* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
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* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
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* solely responsible for determining the appropriateness of using and
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* distributing the Program and assumes all risks associated with its
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* exercise of rights under this Agreement, including but not limited to
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* the risks and costs of program errors, damage to or loss of data,
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* programs or equipment, and unavailability or interruption of operations.
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*
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* DISCLAIMER OF LIABILITY
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* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
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* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*
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* 12/10/99 - Alpha Release 0.1.0
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* First release to the public
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* 08/15/01 - Added ioctl() definitions and others - Kent Yoder <yoder1@us.ibm.com>
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*
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*/
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/* MAX_INTR - the maximum number of times we can loop
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* inside the interrupt function before returning
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* control to the OS (maximum value is 256)
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*/
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#define MAX_INTR 5
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#define CLS 0x0C
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#define MLR 0x86
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#define LTR 0x0D
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#define BCTL 0x60
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#define BCTL_SOFTRESET (1<<15)
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#define BCTL_RX_FIFO_8 (1<<1)
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#define BCTL_TX_FIFO_8 (1<<3)
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#define GPR 0x4a
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#define GPR_AUTOSENSE (1<<2)
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#define GPR_16MBPS (1<<3)
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#define LISR 0x10
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#define LISR_SUM 0x12
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#define LISR_RUM 0x14
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#define LISR_LIE (1<<15)
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#define LISR_SLIM (1<<13)
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#define LISR_SLI (1<<12)
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#define LISR_BPEI (1<<9)
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#define LISR_BPE (1<<8)
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#define LISR_SRB_CMD (1<<5)
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#define LISR_ASB_REPLY (1<<4)
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#define LISR_ASB_FREE_REQ (1<<2)
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#define LISR_ARB_FREE (1<<1)
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#define LISR_TRB_FRAME (1<<0)
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#define SISR 0x16
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#define SISR_SUM 0x18
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#define SISR_RUM 0x1A
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#define SISR_MASK 0x54
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#define SISR_MASK_SUM 0x56
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#define SISR_MASK_RUM 0x58
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#define SISR_MI (1<<15)
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#define SISR_SERR_ERR (1<<14)
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#define SISR_TIMER (1<<11)
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#define SISR_LAP_PAR_ERR (1<<10)
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#define SISR_LAP_ACC_ERR (1<<9)
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#define SISR_PAR_ERR (1<<8)
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#define SISR_ADAPTER_CHECK (1<<6)
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#define SISR_SRB_REPLY (1<<5)
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#define SISR_ASB_FREE (1<<4)
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#define SISR_ARB_CMD (1<<3)
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#define SISR_TRB_REPLY (1<<2)
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#define MISR_RUM 0x5A
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#define MISR_MASK 0x5C
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#define MISR_MASK_RUM 0x5E
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#define MISR_TX2_IDLE (1<<15)
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#define MISR_TX2_NO_STATUS (1<<14)
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#define MISR_TX2_HALT (1<<13)
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#define MISR_TX2_EOF (1<<12)
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#define MISR_TX1_IDLE (1<<11)
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#define MISR_TX1_NO_STATUS (1<<10)
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#define MISR_TX1_HALT (1<<9)
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#define MISR_TX1_EOF (1<<8)
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#define MISR_RX_NOBUF (1<<5)
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#define MISR_RX_EOB (1<<4)
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#define MISR_RX_NO_STATUS (1<<2)
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#define MISR_RX_HALT (1<<1)
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#define MISR_RX_EOF (1<<0)
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#define LAPA 0x62
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#define LAPE 0x64
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#define LAPD 0x66
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#define LAPDINC 0x68
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#define LAPWWO 0x6A
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#define LAPWWC 0x6C
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#define LAPCTL 0x6E
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#define TIMER 0x4E4
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#define BMCTL_SUM 0x50
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#define BMCTL_RUM 0x52
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#define BMCTL_TX1_DIS (1<<14)
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#define BMCTL_TX2_DIS (1<<10)
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#define BMCTL_RX_DIS (1<<6)
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#define BMCTL_RX_ENABLED (1<<5)
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#define RXLBDA 0x90
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#define RXBDA 0x94
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#define RXSTAT 0x98
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#define RXDBA 0x9C
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#define TX1LFDA 0xA0
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#define TX1FDA 0xA4
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#define TX1STAT 0xA8
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#define TX1DBA 0xAC
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#define TX2LFDA 0xB0
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#define TX2FDA 0xB4
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#define TX2STAT 0xB8
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#define TX2DBA 0xBC
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#define STREAMER_IO_SPACE 256
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#define SRB_COMMAND_SIZE 50
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#define STREAMER_MAX_ADAPTERS 8 /* 0x08 __MODULE_STRING can't hand 0xnn */
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/* Defines for LAN STATUS CHANGE reports */
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#define LSC_SIG_LOSS 0x8000
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#define LSC_HARD_ERR 0x4000
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#define LSC_SOFT_ERR 0x2000
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#define LSC_TRAN_BCN 0x1000
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#define LSC_LWF 0x0800
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#define LSC_ARW 0x0400
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#define LSC_FPE 0x0200
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#define LSC_RR 0x0100
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#define LSC_CO 0x0080
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#define LSC_SS 0x0040
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#define LSC_RING_REC 0x0020
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#define LSC_SR_CO 0x0010
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#define LSC_FDX_MODE 0x0004
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/* Defines for OPEN ADAPTER command */
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#define OPEN_ADAPTER_EXT_WRAP (1<<15)
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#define OPEN_ADAPTER_DIS_HARDEE (1<<14)
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#define OPEN_ADAPTER_DIS_SOFTERR (1<<13)
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#define OPEN_ADAPTER_PASS_ADC_MAC (1<<12)
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#define OPEN_ADAPTER_PASS_ATT_MAC (1<<11)
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#define OPEN_ADAPTER_ENABLE_EC (1<<10)
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#define OPEN_ADAPTER_CONTENDER (1<<8)
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#define OPEN_ADAPTER_PASS_BEACON (1<<7)
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#define OPEN_ADAPTER_ENABLE_FDX (1<<6)
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#define OPEN_ADAPTER_ENABLE_RPL (1<<5)
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#define OPEN_ADAPTER_INHIBIT_ETR (1<<4)
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#define OPEN_ADAPTER_INTERNAL_WRAP (1<<3)
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/* Defines for SRB Commands */
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#define SRB_CLOSE_ADAPTER 0x04
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#define SRB_CONFIGURE_BRIDGE 0x0c
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#define SRB_CONFIGURE_HP_CHANNEL 0x13
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#define SRB_MODIFY_BRIDGE_PARMS 0x15
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#define SRB_MODIFY_OPEN_OPTIONS 0x01
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#define SRB_MODIFY_RECEIVE_OPTIONS 0x17
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#define SRB_NO_OPERATION 0x00
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#define SRB_OPEN_ADAPTER 0x03
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#define SRB_READ_LOG 0x08
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#define SRB_READ_SR_COUNTERS 0x16
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#define SRB_RESET_GROUP_ADDRESS 0x02
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#define SRB_RESET_TARGET_SEGMETN 0x14
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#define SRB_SAVE_CONFIGURATION 0x1b
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#define SRB_SET_BRIDGE_PARMS 0x09
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#define SRB_SET_FUNC_ADDRESS 0x07
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#define SRB_SET_GROUP_ADDRESS 0x06
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#define SRB_SET_TARGET_SEGMENT 0x05
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/* Clear return code */
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#define STREAMER_CLEAR_RET_CODE 0xfe
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/* ARB Commands */
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#define ARB_RECEIVE_DATA 0x81
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#define ARB_LAN_CHANGE_STATUS 0x84
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/* ASB Response commands */
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#define ASB_RECEIVE_DATA 0x81
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/* Streamer defaults for buffers */
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#define STREAMER_RX_RING_SIZE 16 /* should be a power of 2 */
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/* Setting the number of TX descriptors to 1 is a workaround for an
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* undocumented hardware problem with the lanstreamer board. Setting
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* this to something higher may slightly increase the throughput you
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* can get from the card, but at the risk of locking up the box. -
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* <yoder1@us.ibm.com>
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*/
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#define STREAMER_TX_RING_SIZE 1 /* should be a power of 2 */
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#define PKT_BUF_SZ 4096 /* Default packet size */
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/* Streamer data structures */
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struct streamer_tx_desc {
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__u32 forward;
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__u32 status;
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__u32 bufcnt_framelen;
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__u32 buffer;
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__u32 buflen;
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__u32 rsvd1;
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__u32 rsvd2;
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__u32 rsvd3;
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};
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struct streamer_rx_desc {
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__u32 forward;
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__u32 status;
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__u32 buffer;
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__u32 framelen_buflen;
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};
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struct mac_receive_buffer {
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__u16 next;
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__u8 padding;
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__u8 frame_status;
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__u16 buffer_length;
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__u8 frame_data;
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};
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struct streamer_private {
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__u16 srb;
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__u16 trb;
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__u16 arb;
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__u16 asb;
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struct streamer_private *next;
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struct pci_dev *pci_dev;
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__u8 __iomem *streamer_mmio;
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char *streamer_card_name;
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spinlock_t streamer_lock;
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volatile int srb_queued; /* True if an SRB is still posted */
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wait_queue_head_t srb_wait;
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volatile int asb_queued; /* True if an ASB is posted */
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volatile int trb_queued; /* True if a TRB is posted */
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wait_queue_head_t trb_wait;
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struct streamer_rx_desc *streamer_rx_ring;
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struct streamer_tx_desc *streamer_tx_ring;
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struct sk_buff *tx_ring_skb[STREAMER_TX_RING_SIZE],
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*rx_ring_skb[STREAMER_RX_RING_SIZE];
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int tx_ring_free, tx_ring_last_status, rx_ring_last_received,
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free_tx_ring_entries;
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struct net_device_stats streamer_stats;
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__u16 streamer_lan_status;
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__u8 streamer_ring_speed;
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__u16 pkt_buf_sz;
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__u8 streamer_receive_options, streamer_copy_all_options,
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streamer_message_level;
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__u16 streamer_addr_table_addr, streamer_parms_addr;
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__u16 mac_rx_buffer;
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__u8 streamer_laa[6];
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};
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struct streamer_adapter_addr_table {
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__u8 node_addr[6];
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__u8 reserved[4];
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__u8 func_addr[4];
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};
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struct streamer_parameters_table {
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__u8 phys_addr[4];
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__u8 up_node_addr[6];
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__u8 up_phys_addr[4];
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__u8 poll_addr[6];
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__u16 reserved;
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__u16 acc_priority;
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__u16 auth_source_class;
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__u16 att_code;
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__u8 source_addr[6];
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__u16 beacon_type;
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__u16 major_vector;
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__u16 lan_status;
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__u16 soft_error_time;
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__u16 reserved1;
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__u16 local_ring;
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__u16 mon_error;
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__u16 beacon_transmit;
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__u16 beacon_receive;
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__u16 frame_correl;
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__u8 beacon_naun[6];
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__u32 reserved2;
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__u8 beacon_phys[4];
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};
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