| /* |
| * 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> |
| * |
| */ |
| |
| #include <linux/version.h> |
| |
| #if STREAMER_IOCTL && (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) |
| #include <asm/ioctl.h> |
| #define IOCTL_PRINT_RX_BUFS SIOCDEVPRIVATE |
| #define IOCTL_PRINT_TX_BUFS SIOCDEVPRIVATE+1 |
| #define IOCTL_RX_CMD SIOCDEVPRIVATE+2 |
| #define IOCTL_TX_CMD SIOCDEVPRIVATE+3 |
| #define IOCTL_PRINT_REGISTERS SIOCDEVPRIVATE+4 |
| #define IOCTL_PRINT_BDAS SIOCDEVPRIVATE+5 |
| #define IOCTL_SPIN_LOCK_TEST SIOCDEVPRIVATE+6 |
| #define IOCTL_SISR_MASK SIOCDEVPRIVATE+7 |
| #endif |
| |
| /* 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]; |
| }; |
