drivers/net/tokenring/lanstreamer.h - kernel/msm-4.9 - Gitiles

 /*
  *   lanstreamer.h -- driver for the IBM Auto LANStreamer PCI Adapter
  *
  *  Written By: Mike Sullivan, IBM Corporation
  *
  *  Copyright (C) 1999 IBM Corporation
  *
  *  Linux driver for IBM PCI tokenring cards based on the LanStreamer MPC
  *  chipset.
  *
  *  This driver is based on the olympic driver for IBM PCI TokenRing cards (Pit/Pit-Phy/Olympic
  *  chipsets) written  by:
  *      1999 Peter De Schrijver All Rights Reserved
  *	1999 Mike Phillips (phillim@amtrak.com)
  *
  *  Base Driver Skeleton:
  *      Written 1993-94 by Donald Becker.
  *
  *      Copyright 1993 United States Government as represented by the
  *      Director, National Security Agency.
  *
  * 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; either version 2 of the License, or
  * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * NO WARRANTY
  * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
  * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
  * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
  * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
  * solely responsible for determining the appropriateness of using and
  * distributing the Program and assumes all risks associated with its
  * exercise of rights under this Agreement, including but not limited to
  * the risks and costs of program errors, damage to or loss of data,
  * programs or equipment, and unavailability or interruption of operations.
  *
  * DISCLAIMER OF LIABILITY
  * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
  * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
  * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  *
  *
  *  12/10/99 - Alpha Release 0.1.0
  *            First release to the public
  *  08/15/01 - Added ioctl() definitions and others - Kent Yoder <yoder1@us.ibm.com>
  *
  */

 /* MAX_INTR - the maximum number of times we can loop
  * inside the interrupt function before returning
  * control to the OS (maximum value is 256)
  */
 #define MAX_INTR 5

 #define CLS 0x0C
 #define MLR 0x86
 #define LTR 0x0D

 #define BCTL 0x60
 #define BCTL_SOFTRESET (1<<15)
 #define BCTL_RX_FIFO_8 (1<<1)
 #define BCTL_TX_FIFO_8 (1<<3)

 #define GPR 0x4a
 #define GPR_AUTOSENSE (1<<2)
 #define GPR_16MBPS (1<<3)

 #define LISR 0x10
 #define LISR_SUM 0x12
 #define LISR_RUM 0x14

 #define LISR_LIE (1<<15)
 #define LISR_SLIM (1<<13)
 #define LISR_SLI (1<<12)
 #define LISR_BPEI (1<<9)
 #define LISR_BPE (1<<8)
 #define LISR_SRB_CMD (1<<5)
 #define LISR_ASB_REPLY (1<<4)
 #define LISR_ASB_FREE_REQ (1<<2)
 #define LISR_ARB_FREE (1<<1)
 #define LISR_TRB_FRAME (1<<0)

 #define SISR 0x16
 #define SISR_SUM 0x18
 #define SISR_RUM 0x1A
 #define SISR_MASK 0x54
 #define SISR_MASK_SUM 0x56
 #define SISR_MASK_RUM 0x58

 #define SISR_MI (1<<15)
 #define SISR_SERR_ERR (1<<14)
 #define SISR_TIMER (1<<11)
 #define SISR_LAP_PAR_ERR (1<<10)
 #define SISR_LAP_ACC_ERR (1<<9)
 #define SISR_PAR_ERR (1<<8)
 #define SISR_ADAPTER_CHECK (1<<6)
 #define SISR_SRB_REPLY (1<<5)
 #define SISR_ASB_FREE (1<<4)
 #define SISR_ARB_CMD (1<<3)
 #define SISR_TRB_REPLY (1<<2)

 #define MISR_RUM 0x5A
 #define MISR_MASK 0x5C
 #define MISR_MASK_RUM 0x5E

 #define MISR_TX2_IDLE (1<<15)
 #define MISR_TX2_NO_STATUS (1<<14)
 #define MISR_TX2_HALT (1<<13)
 #define MISR_TX2_EOF (1<<12)
 #define MISR_TX1_IDLE (1<<11)
 #define MISR_TX1_NO_STATUS (1<<10)
 #define MISR_TX1_HALT (1<<9)
 #define MISR_TX1_EOF (1<<8)
 #define MISR_RX_NOBUF (1<<5)
 #define MISR_RX_EOB (1<<4)
 #define MISR_RX_NO_STATUS (1<<2)
 #define MISR_RX_HALT (1<<1)
 #define MISR_RX_EOF (1<<0)

 #define LAPA 0x62
 #define LAPE 0x64
 #define LAPD 0x66
 #define LAPDINC 0x68
 #define LAPWWO 0x6A
 #define LAPWWC 0x6C
 #define LAPCTL 0x6E

 #define TIMER 0x4E4

 #define BMCTL_SUM 0x50
 #define BMCTL_RUM 0x52
 #define BMCTL_TX1_DIS (1<<14)
 #define BMCTL_TX2_DIS (1<<10)
 #define BMCTL_RX_DIS (1<<6)
 #define BMCTL_RX_ENABLED  (1<<5)

 #define RXLBDA  0x90
 #define RXBDA   0x94
 #define RXSTAT  0x98
 #define RXDBA   0x9C

 #define TX1LFDA 0xA0
 #define TX1FDA  0xA4
 #define TX1STAT 0xA8
 #define TX1DBA  0xAC
 #define TX2LFDA 0xB0
 #define TX2FDA  0xB4
 #define TX2STAT 0xB8
 #define TX2DBA  0xBC

 #define STREAMER_IO_SPACE 256

 #define SRB_COMMAND_SIZE 50

 #define STREAMER_MAX_ADAPTERS 8	/* 0x08 __MODULE_STRING can't hand 0xnn */

 /* Defines for LAN STATUS CHANGE reports */
 #define LSC_SIG_LOSS 0x8000
 #define LSC_HARD_ERR 0x4000
 #define LSC_SOFT_ERR 0x2000
 #define LSC_TRAN_BCN 0x1000
 #define LSC_LWF      0x0800
 #define LSC_ARW      0x0400
 #define LSC_FPE      0x0200
 #define LSC_RR       0x0100
 #define LSC_CO       0x0080
 #define LSC_SS       0x0040
 #define LSC_RING_REC 0x0020
 #define LSC_SR_CO    0x0010
 #define LSC_FDX_MODE 0x0004

 /* Defines for OPEN ADAPTER command */

 #define OPEN_ADAPTER_EXT_WRAP (1<<15)
 #define OPEN_ADAPTER_DIS_HARDEE (1<<14)
 #define OPEN_ADAPTER_DIS_SOFTERR (1<<13)
 #define OPEN_ADAPTER_PASS_ADC_MAC (1<<12)
 #define OPEN_ADAPTER_PASS_ATT_MAC (1<<11)
 #define OPEN_ADAPTER_ENABLE_EC (1<<10)
 #define OPEN_ADAPTER_CONTENDER (1<<8)
 #define OPEN_ADAPTER_PASS_BEACON (1<<7)
 #define OPEN_ADAPTER_ENABLE_FDX (1<<6)
 #define OPEN_ADAPTER_ENABLE_RPL (1<<5)
 #define OPEN_ADAPTER_INHIBIT_ETR (1<<4)
 #define OPEN_ADAPTER_INTERNAL_WRAP (1<<3)


 /* Defines for SRB Commands */
 #define SRB_CLOSE_ADAPTER 0x04
 #define SRB_CONFIGURE_BRIDGE 0x0c
 #define SRB_CONFIGURE_HP_CHANNEL 0x13
 #define SRB_MODIFY_BRIDGE_PARMS 0x15
 #define SRB_MODIFY_OPEN_OPTIONS 0x01
 #define SRB_MODIFY_RECEIVE_OPTIONS 0x17
 #define SRB_NO_OPERATION 0x00
 #define SRB_OPEN_ADAPTER 0x03
 #define SRB_READ_LOG 0x08
 #define SRB_READ_SR_COUNTERS 0x16
 #define SRB_RESET_GROUP_ADDRESS 0x02
 #define SRB_RESET_TARGET_SEGMETN 0x14
 #define SRB_SAVE_CONFIGURATION 0x1b
 #define SRB_SET_BRIDGE_PARMS 0x09
 #define SRB_SET_FUNC_ADDRESS 0x07
 #define SRB_SET_GROUP_ADDRESS 0x06
 #define SRB_SET_TARGET_SEGMENT 0x05

 /* Clear return code */
 #define STREAMER_CLEAR_RET_CODE 0xfe

 /* ARB Commands */
 #define ARB_RECEIVE_DATA 0x81
 #define ARB_LAN_CHANGE_STATUS 0x84

 /* ASB Response commands */
 #define ASB_RECEIVE_DATA 0x81


 /* Streamer defaults for buffers */

 #define STREAMER_RX_RING_SIZE 16	/* should be a power of 2 */
 /* Setting the number of TX descriptors to 1 is a workaround for an
  * undocumented hardware problem with the lanstreamer board. Setting
  * this to something higher may slightly increase the throughput you
  * can get from the card, but at the risk of locking up the box. -
  * <yoder1@us.ibm.com>
  */
 #define STREAMER_TX_RING_SIZE 1	/* should be a power of 2 */

 #define PKT_BUF_SZ 4096		/* Default packet size */

 /* Streamer data structures */

 struct streamer_tx_desc {
 	__u32 forward;
 	__u32 status;
 	__u32 bufcnt_framelen;
 	__u32 buffer;
 	__u32 buflen;
 	__u32 rsvd1;
 	__u32 rsvd2;
 	__u32 rsvd3;
 };

 struct streamer_rx_desc {
 	__u32 forward;
 	__u32 status;
 	__u32 buffer;
 	__u32 framelen_buflen;
 };

 struct mac_receive_buffer {
 	__u16 next;
 	__u8 padding;
 	__u8 frame_status;
 	__u16 buffer_length;
 	__u8 frame_data;
 };

 struct streamer_private {

 	__u16 srb;
 	__u16 trb;
 	__u16 arb;
 	__u16 asb;

         struct streamer_private *next;
         struct pci_dev *pci_dev;
 	__u8 __iomem *streamer_mmio;
         char *streamer_card_name;

         spinlock_t streamer_lock;

 	volatile int srb_queued;	/* True if an SRB is still posted */
 	wait_queue_head_t srb_wait;

 	volatile int asb_queued;	/* True if an ASB is posted */

 	volatile int trb_queued;	/* True if a TRB is posted */
 	wait_queue_head_t trb_wait;

 	struct streamer_rx_desc *streamer_rx_ring;
 	struct streamer_tx_desc *streamer_tx_ring;
 	struct sk_buff *tx_ring_skb[STREAMER_TX_RING_SIZE],
 	    *rx_ring_skb[STREAMER_RX_RING_SIZE];
 	int tx_ring_free, tx_ring_last_status, rx_ring_last_received,
 	    free_tx_ring_entries;

 	struct net_device_stats streamer_stats;
 	__u16 streamer_lan_status;
 	__u8 streamer_ring_speed;
 	__u16 pkt_buf_sz;
 	__u8 streamer_receive_options, streamer_copy_all_options,
 	    streamer_message_level;
 	__u16 streamer_addr_table_addr, streamer_parms_addr;
 	__u16 mac_rx_buffer;
 	__u8 streamer_laa[6];
 };

 struct streamer_adapter_addr_table {

 	__u8 node_addr[6];
 	__u8 reserved[4];
 	__u8 func_addr[4];
 };

 struct streamer_parameters_table {

 	__u8 phys_addr[4];
 	__u8 up_node_addr[6];
 	__u8 up_phys_addr[4];
 	__u8 poll_addr[6];
 	__u16 reserved;
 	__u16 acc_priority;
 	__u16 auth_source_class;
 	__u16 att_code;
 	__u8 source_addr[6];
 	__u16 beacon_type;
 	__u16 major_vector;
 	__u16 lan_status;
 	__u16 soft_error_time;
 	__u16 reserved1;
 	__u16 local_ring;
 	__u16 mon_error;
 	__u16 beacon_transmit;
 	__u16 beacon_receive;
 	__u16 frame_correl;
 	__u8 beacon_naun[6];
 	__u32 reserved2;
 	__u8 beacon_phys[4];
 };
	/*
	* lanstreamer.h -- driver for the IBM Auto LANStreamer PCI Adapter
	*
	* Written By: Mike Sullivan, IBM Corporation
	*
	* Copyright (C) 1999 IBM Corporation
	*
	* Linux driver for IBM PCI tokenring cards based on the LanStreamer MPC
	* chipset.
	*
	* This driver is based on the olympic driver for IBM PCI TokenRing cards (Pit/Pit-Phy/Olympic
	* chipsets) written by:
	* 1999 Peter De Schrijver All Rights Reserved
	* 1999 Mike Phillips (phillim@amtrak.com)
	*
	* Base Driver Skeleton:
	* Written 1993-94 by Donald Becker.
	*
	* Copyright 1993 United States Government as represented by the
	* Director, National Security Agency.
	*
	* 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; either version 2 of the License, or
	* (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* NO WARRANTY
	* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
	* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
	* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
	* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
	* solely responsible for determining the appropriateness of using and
	* distributing the Program and assumes all risks associated with its
	* exercise of rights under this Agreement, including but not limited to
	* the risks and costs of program errors, damage to or loss of data,
	* programs or equipment, and unavailability or interruption of operations.
	*
	* DISCLAIMER OF LIABILITY
	* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
	* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
	* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
	* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
	* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
	* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*
	*
	* 12/10/99 - Alpha Release 0.1.0
	* First release to the public
	* 08/15/01 - Added ioctl() definitions and others - Kent Yoder <yoder1@us.ibm.com>
	*
	*/

	/* MAX_INTR - the maximum number of times we can loop
	* inside the interrupt function before returning
	* control to the OS (maximum value is 256)
	*/
	#define MAX_INTR 5

	#define CLS 0x0C
	#define MLR 0x86
	#define LTR 0x0D

	#define BCTL 0x60
	#define BCTL_SOFTRESET (1<<15)
	#define BCTL_RX_FIFO_8 (1<<1)
	#define BCTL_TX_FIFO_8 (1<<3)

	#define GPR 0x4a
	#define GPR_AUTOSENSE (1<<2)
	#define GPR_16MBPS (1<<3)

	#define LISR 0x10
	#define LISR_SUM 0x12
	#define LISR_RUM 0x14

	#define LISR_LIE (1<<15)
	#define LISR_SLIM (1<<13)
	#define LISR_SLI (1<<12)
	#define LISR_BPEI (1<<9)
	#define LISR_BPE (1<<8)
	#define LISR_SRB_CMD (1<<5)
	#define LISR_ASB_REPLY (1<<4)
	#define LISR_ASB_FREE_REQ (1<<2)
	#define LISR_ARB_FREE (1<<1)
	#define LISR_TRB_FRAME (1<<0)

	#define SISR 0x16
	#define SISR_SUM 0x18
	#define SISR_RUM 0x1A
	#define SISR_MASK 0x54
	#define SISR_MASK_SUM 0x56
	#define SISR_MASK_RUM 0x58

	#define SISR_MI (1<<15)
	#define SISR_SERR_ERR (1<<14)
	#define SISR_TIMER (1<<11)
	#define SISR_LAP_PAR_ERR (1<<10)
	#define SISR_LAP_ACC_ERR (1<<9)
	#define SISR_PAR_ERR (1<<8)
	#define SISR_ADAPTER_CHECK (1<<6)
	#define SISR_SRB_REPLY (1<<5)
	#define SISR_ASB_FREE (1<<4)
	#define SISR_ARB_CMD (1<<3)
	#define SISR_TRB_REPLY (1<<2)

	#define MISR_RUM 0x5A
	#define MISR_MASK 0x5C
	#define MISR_MASK_RUM 0x5E

	#define MISR_TX2_IDLE (1<<15)
	#define MISR_TX2_NO_STATUS (1<<14)
	#define MISR_TX2_HALT (1<<13)
	#define MISR_TX2_EOF (1<<12)
	#define MISR_TX1_IDLE (1<<11)
	#define MISR_TX1_NO_STATUS (1<<10)
	#define MISR_TX1_HALT (1<<9)
	#define MISR_TX1_EOF (1<<8)
	#define MISR_RX_NOBUF (1<<5)
	#define MISR_RX_EOB (1<<4)
	#define MISR_RX_NO_STATUS (1<<2)
	#define MISR_RX_HALT (1<<1)
	#define MISR_RX_EOF (1<<0)

	#define LAPA 0x62
	#define LAPE 0x64
	#define LAPD 0x66
	#define LAPDINC 0x68
	#define LAPWWO 0x6A
	#define LAPWWC 0x6C
	#define LAPCTL 0x6E

	#define TIMER 0x4E4

	#define BMCTL_SUM 0x50
	#define BMCTL_RUM 0x52
	#define BMCTL_TX1_DIS (1<<14)
	#define BMCTL_TX2_DIS (1<<10)
	#define BMCTL_RX_DIS (1<<6)
	#define BMCTL_RX_ENABLED (1<<5)

	#define RXLBDA 0x90
	#define RXBDA 0x94
	#define RXSTAT 0x98
	#define RXDBA 0x9C

	#define TX1LFDA 0xA0
	#define TX1FDA 0xA4
	#define TX1STAT 0xA8
	#define TX1DBA 0xAC
	#define TX2LFDA 0xB0
	#define TX2FDA 0xB4
	#define TX2STAT 0xB8
	#define TX2DBA 0xBC

	#define STREAMER_IO_SPACE 256

	#define SRB_COMMAND_SIZE 50

	#define STREAMER_MAX_ADAPTERS 8 /* 0x08 __MODULE_STRING can't hand 0xnn */

	/* Defines for LAN STATUS CHANGE reports */
	#define LSC_SIG_LOSS 0x8000
	#define LSC_HARD_ERR 0x4000
	#define LSC_SOFT_ERR 0x2000
	#define LSC_TRAN_BCN 0x1000
	#define LSC_LWF 0x0800
	#define LSC_ARW 0x0400
	#define LSC_FPE 0x0200
	#define LSC_RR 0x0100
	#define LSC_CO 0x0080
	#define LSC_SS 0x0040
	#define LSC_RING_REC 0x0020
	#define LSC_SR_CO 0x0010
	#define LSC_FDX_MODE 0x0004

	/* Defines for OPEN ADAPTER command */

	#define OPEN_ADAPTER_EXT_WRAP (1<<15)
	#define OPEN_ADAPTER_DIS_HARDEE (1<<14)
	#define OPEN_ADAPTER_DIS_SOFTERR (1<<13)
	#define OPEN_ADAPTER_PASS_ADC_MAC (1<<12)
	#define OPEN_ADAPTER_PASS_ATT_MAC (1<<11)
	#define OPEN_ADAPTER_ENABLE_EC (1<<10)
	#define OPEN_ADAPTER_CONTENDER (1<<8)
	#define OPEN_ADAPTER_PASS_BEACON (1<<7)
	#define OPEN_ADAPTER_ENABLE_FDX (1<<6)
	#define OPEN_ADAPTER_ENABLE_RPL (1<<5)
	#define OPEN_ADAPTER_INHIBIT_ETR (1<<4)
	#define OPEN_ADAPTER_INTERNAL_WRAP (1<<3)


	/* Defines for SRB Commands */
	#define SRB_CLOSE_ADAPTER 0x04
	#define SRB_CONFIGURE_BRIDGE 0x0c
	#define SRB_CONFIGURE_HP_CHANNEL 0x13
	#define SRB_MODIFY_BRIDGE_PARMS 0x15
	#define SRB_MODIFY_OPEN_OPTIONS 0x01
	#define SRB_MODIFY_RECEIVE_OPTIONS 0x17
	#define SRB_NO_OPERATION 0x00
	#define SRB_OPEN_ADAPTER 0x03
	#define SRB_READ_LOG 0x08
	#define SRB_READ_SR_COUNTERS 0x16
	#define SRB_RESET_GROUP_ADDRESS 0x02
	#define SRB_RESET_TARGET_SEGMETN 0x14
	#define SRB_SAVE_CONFIGURATION 0x1b
	#define SRB_SET_BRIDGE_PARMS 0x09
	#define SRB_SET_FUNC_ADDRESS 0x07
	#define SRB_SET_GROUP_ADDRESS 0x06
	#define SRB_SET_TARGET_SEGMENT 0x05

	/* Clear return code */
	#define STREAMER_CLEAR_RET_CODE 0xfe

	/* ARB Commands */
	#define ARB_RECEIVE_DATA 0x81
	#define ARB_LAN_CHANGE_STATUS 0x84

	/* ASB Response commands */
	#define ASB_RECEIVE_DATA 0x81


	/* Streamer defaults for buffers */

	#define STREAMER_RX_RING_SIZE 16 /* should be a power of 2 */
	/* Setting the number of TX descriptors to 1 is a workaround for an
	* undocumented hardware problem with the lanstreamer board. Setting
	* this to something higher may slightly increase the throughput you
	* can get from the card, but at the risk of locking up the box. -
	* <yoder1@us.ibm.com>
	*/
	#define STREAMER_TX_RING_SIZE 1 /* should be a power of 2 */

	#define PKT_BUF_SZ 4096 /* Default packet size */

	/* Streamer data structures */

	struct streamer_tx_desc {
	__u32 forward;
	__u32 status;
	__u32 bufcnt_framelen;
	__u32 buffer;
	__u32 buflen;
	__u32 rsvd1;
	__u32 rsvd2;
	__u32 rsvd3;
	};

	struct streamer_rx_desc {
	__u32 forward;
	__u32 status;
	__u32 buffer;
	__u32 framelen_buflen;
	};

	struct mac_receive_buffer {
	__u16 next;
	__u8 padding;
	__u8 frame_status;
	__u16 buffer_length;
	__u8 frame_data;
	};

	struct streamer_private {

	__u16 srb;
	__u16 trb;
	__u16 arb;
	__u16 asb;

	struct streamer_private *next;
	struct pci_dev *pci_dev;
	__u8 __iomem *streamer_mmio;
	char *streamer_card_name;

	spinlock_t streamer_lock;

	volatile int srb_queued; /* True if an SRB is still posted */
	wait_queue_head_t srb_wait;

	volatile int asb_queued; /* True if an ASB is posted */

	volatile int trb_queued; /* True if a TRB is posted */
	wait_queue_head_t trb_wait;

	struct streamer_rx_desc *streamer_rx_ring;
	struct streamer_tx_desc *streamer_tx_ring;
	struct sk_buff *tx_ring_skb[STREAMER_TX_RING_SIZE],
	*rx_ring_skb[STREAMER_RX_RING_SIZE];
	int tx_ring_free, tx_ring_last_status, rx_ring_last_received,
	free_tx_ring_entries;

	struct net_device_stats streamer_stats;
	__u16 streamer_lan_status;
	__u8 streamer_ring_speed;
	__u16 pkt_buf_sz;
	__u8 streamer_receive_options, streamer_copy_all_options,
	streamer_message_level;
	__u16 streamer_addr_table_addr, streamer_parms_addr;
	__u16 mac_rx_buffer;
	__u8 streamer_laa[6];
	};

	struct streamer_adapter_addr_table {

	__u8 node_addr[6];
	__u8 reserved[4];
	__u8 func_addr[4];
	};

	struct streamer_parameters_table {

	__u8 phys_addr[4];
	__u8 up_node_addr[6];
	__u8 up_phys_addr[4];
	__u8 poll_addr[6];
	__u16 reserved;
	__u16 acc_priority;
	__u16 auth_source_class;
	__u16 att_code;
	__u8 source_addr[6];
	__u16 beacon_type;
	__u16 major_vector;
	__u16 lan_status;
	__u16 soft_error_time;
	__u16 reserved1;
	__u16 local_ring;
	__u16 mon_error;
	__u16 beacon_transmit;
	__u16 beacon_receive;
	__u16 frame_correl;
	__u8 beacon_naun[6];
	__u32 reserved2;
	__u8 beacon_phys[4];
	};