344 lines
9.9 KiB
C
344 lines
9.9 KiB
C
/*
|
|
* 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;
|
|
|
|
__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];
|
|
};
|