/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 1995, David Greenman * Copyright (c) 2001 Jonathan Lemon * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice unmodified, this list of conditions, and the following * disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * 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 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #define FXP_PCI_MMBA 0x10 #define FXP_PCI_IOBA 0x14 /* * Control/status registers. */ #define FXP_CSR_SCB_RUSCUS 0 /* scb_rus/scb_cus (1 byte) */ #define FXP_CSR_SCB_STATACK 1 /* scb_statack (1 byte) */ #define FXP_CSR_SCB_COMMAND 2 /* scb_command (1 byte) */ #define FXP_CSR_SCB_INTRCNTL 3 /* scb_intrcntl (1 byte) */ #define FXP_CSR_SCB_GENERAL 4 /* scb_general (4 bytes) */ #define FXP_CSR_PORT 8 /* port (4 bytes) */ #define FXP_CSR_FLASHCONTROL 12 /* flash control (2 bytes) */ #define FXP_CSR_EEPROMCONTROL 14 /* eeprom control (2 bytes) */ #define FXP_CSR_MDICONTROL 16 /* mdi control (4 bytes) */ #define FXP_CSR_FC_THRESH 0x19 /* flow control (1 byte) */ #define FXP_CSR_FC_STATUS 0x1A /* flow control status (1 byte) */ #define FXP_CSR_PMDR 0x1B /* power management driver (1 byte) */ #define FXP_CSR_GENCONTROL 0x1C /* general control (1 byte) */ /* * FOR REFERENCE ONLY, the old definition of FXP_CSR_SCB_RUSCUS: * * volatile uint8_t :2, * scb_rus:4, * scb_cus:2; */ #define FXP_PORT_SOFTWARE_RESET 0 #define FXP_PORT_SELFTEST 1 #define FXP_PORT_SELECTIVE_RESET 2 #define FXP_PORT_DUMP 3 #define FXP_SCB_RUS_IDLE 0 #define FXP_SCB_RUS_SUSPENDED 1 #define FXP_SCB_RUS_NORESOURCES 2 #define FXP_SCB_RUS_READY 4 #define FXP_SCB_RUS_SUSP_NORBDS 9 #define FXP_SCB_RUS_NORES_NORBDS 10 #define FXP_SCB_RUS_READY_NORBDS 12 #define FXP_SCB_CUS_IDLE 0 #define FXP_SCB_CUS_SUSPENDED 1 #define FXP_SCB_CUS_ACTIVE 2 #define FXP_SCB_INTR_DISABLE 0x01 /* Disable all interrupts */ #define FXP_SCB_INTR_SWI 0x02 /* Generate SWI */ #define FXP_SCB_INTMASK_FCP 0x04 #define FXP_SCB_INTMASK_ER 0x08 #define FXP_SCB_INTMASK_RNR 0x10 #define FXP_SCB_INTMASK_CNA 0x20 #define FXP_SCB_INTMASK_FR 0x40 #define FXP_SCB_INTMASK_CXTNO 0x80 #define FXP_SCB_STATACK_FCP 0x01 /* Flow Control Pause */ #define FXP_SCB_STATACK_ER 0x02 /* Early Receive */ #define FXP_SCB_STATACK_SWI 0x04 #define FXP_SCB_STATACK_MDI 0x08 #define FXP_SCB_STATACK_RNR 0x10 #define FXP_SCB_STATACK_CNA 0x20 #define FXP_SCB_STATACK_FR 0x40 #define FXP_SCB_STATACK_CXTNO 0x80 #define FXP_SCB_COMMAND_CU_NOP 0x00 #define FXP_SCB_COMMAND_CU_START 0x10 #define FXP_SCB_COMMAND_CU_RESUME 0x20 #define FXP_SCB_COMMAND_CU_DUMP_ADR 0x40 #define FXP_SCB_COMMAND_CU_DUMP 0x50 #define FXP_SCB_COMMAND_CU_BASE 0x60 #define FXP_SCB_COMMAND_CU_DUMPRESET 0x70 #define FXP_SCB_COMMAND_RU_NOP 0 #define FXP_SCB_COMMAND_RU_START 1 #define FXP_SCB_COMMAND_RU_RESUME 2 #define FXP_SCB_COMMAND_RU_ABORT 4 #define FXP_SCB_COMMAND_RU_LOADHDS 5 #define FXP_SCB_COMMAND_RU_BASE 6 #define FXP_SCB_COMMAND_RU_RBDRESUME 7 /* * Command block definitions */ struct fxp_cb_nop { uint16_t cb_status; uint16_t cb_command; uint32_t link_addr; }; struct fxp_cb_ias { uint16_t cb_status; uint16_t cb_command; uint32_t link_addr; uint8_t macaddr[6]; }; /* I hate bit-fields :-( */ #if BYTE_ORDER == LITTLE_ENDIAN #define __FXP_BITFIELD2(a, b) a, b #define __FXP_BITFIELD3(a, b, c) a, b, c #define __FXP_BITFIELD4(a, b, c, d) a, b, c, d #define __FXP_BITFIELD5(a, b, c, d, e) a, b, c, d, e #define __FXP_BITFIELD6(a, b, c, d, e, f) a, b, c, d, e, f #define __FXP_BITFIELD7(a, b, c, d, e, f, g) a, b, c, d, e, f, g #define __FXP_BITFIELD8(a, b, c, d, e, f, g, h) a, b, c, d, e, f, g, h #else #define __FXP_BITFIELD2(a, b) b, a #define __FXP_BITFIELD3(a, b, c) c, b, a #define __FXP_BITFIELD4(a, b, c, d) d, c, b, a #define __FXP_BITFIELD5(a, b, c, d, e) e, d, c, b, a #define __FXP_BITFIELD6(a, b, c, d, e, f) f, e, d, c, b, a #define __FXP_BITFIELD7(a, b, c, d, e, f, g) g, f, e, d, c, b, a #define __FXP_BITFIELD8(a, b, c, d, e, f, g, h) h, g, f, e, d, c, b, a #endif struct fxp_cb_config { uint16_t cb_status; uint16_t cb_command; uint32_t link_addr; /* Bytes 0 - 21 -- common to all i8255x */ u_int __FXP_BITFIELD2(byte_count:6, :2); u_int __FXP_BITFIELD3(rx_fifo_limit:4, tx_fifo_limit:3, :1); uint8_t adaptive_ifs; u_int __FXP_BITFIELD5(mwi_enable:1, /* 8,9 */ type_enable:1, /* 8,9 */ read_align_en:1, /* 8,9 */ end_wr_on_cl:1, /* 8,9 */ :4); u_int __FXP_BITFIELD2(rx_dma_bytecount:7, :1); u_int __FXP_BITFIELD2(tx_dma_bytecount:7, dma_mbce:1); u_int __FXP_BITFIELD8(late_scb:1, /* 7 */ direct_dma_dis:1, /* 8,9 */ tno_int_or_tco_en:1, /* 7,9 */ ci_int:1, ext_txcb_dis:1, /* 8,9 */ ext_stats_dis:1, /* 8,9 */ keep_overrun_rx:1, save_bf:1); u_int __FXP_BITFIELD6(disc_short_rx:1, underrun_retry:2, :2, ext_rfa:1, /* 550 */ two_frames:1, /* 8,9 */ dyn_tbd:1); /* 8,9 */ u_int __FXP_BITFIELD3(mediatype:1, /* 7 */ :6, csma_dis:1); /* 8,9 */ u_int __FXP_BITFIELD6(tcp_udp_cksum:1, /* 9 */ :3, vlan_tco:1, /* 8,9 */ link_wake_en:1, /* 8,9 */ arp_wake_en:1, /* 8 */ mc_wake_en:1); /* 8 */ u_int __FXP_BITFIELD4(:3, nsai:1, preamble_length:2, loopback:2); u_int __FXP_BITFIELD2(linear_priority:3, /* 7 */ :5); u_int __FXP_BITFIELD3(linear_pri_mode:1, /* 7 */ :3, interfrm_spacing:4); u_int :8; u_int :8; u_int __FXP_BITFIELD8(promiscuous:1, bcast_disable:1, wait_after_win:1, /* 8,9 */ :1, ignore_ul:1, /* 8,9 */ crc16_en:1, /* 9 */ :1, crscdt:1); u_int fc_delay_lsb:8; /* 8,9 */ u_int fc_delay_msb:8; /* 8,9 */ u_int __FXP_BITFIELD6(stripping:1, padding:1, rcv_crc_xfer:1, long_rx_en:1, /* 8,9 */ pri_fc_thresh:3, /* 8,9 */ :1); u_int __FXP_BITFIELD8(ia_wake_en:1, /* 8 */ magic_pkt_dis:1, /* 8,9,!9ER */ tx_fc_dis:1, /* 8,9 */ rx_fc_restop:1, /* 8,9 */ rx_fc_restart:1, /* 8,9 */ fc_filter:1, /* 8,9 */ force_fdx:1, fdx_pin_en:1); u_int __FXP_BITFIELD4(:5, pri_fc_loc:1, /* 8,9 */ multi_ia:1, :1); u_int __FXP_BITFIELD3(:3, mc_all:1, :4); /* Bytes 22 - 31 -- i82550 only */ u_int __FXP_BITFIELD3(gamla_rx:1, vlan_strip_en:1, :6); uint8_t pad[9]; }; #define MAXMCADDR 80 struct fxp_cb_mcs { uint16_t cb_status; uint16_t cb_command; uint32_t link_addr; uint16_t mc_cnt; uint8_t mc_addr[MAXMCADDR][6]; }; #define MAXUCODESIZE 192 struct fxp_cb_ucode { uint16_t cb_status; uint16_t cb_command; uint32_t link_addr; uint32_t ucode[MAXUCODESIZE]; }; /* * Number of DMA segments in a TxCB. */ #define FXP_NTXSEG 35 struct fxp_tbd { uint32_t tb_addr; uint32_t tb_size; }; struct fxp_ipcb { /* * The following fields are valid only when * using the IPCB command block for TX checksum offload * (and TCP large send, VLANs, and (I think) IPsec). To use * them, you must enable extended TxCBs (available only * on the 82559 and later) and use the IPCBXMIT command. * Note that Intel defines the IPCB to be 32 bytes long, * the last 8 bytes of which comprise the first entry * in the TBD array (see note below). This means we only * have to define 8 extra bytes here. */ uint16_t ipcb_schedule_low; uint8_t ipcb_ip_schedule; uint8_t ipcb_ip_activation_high; uint16_t ipcb_vlan_id; uint8_t ipcb_ip_header_offset; uint8_t ipcb_tcp_header_offset; }; struct fxp_cb_tx { uint16_t cb_status; uint16_t cb_command; uint32_t link_addr; union { struct { uint32_t tbd_array_addr; uint16_t byte_count; uint8_t tx_threshold; uint8_t tbd_number; }; struct fxp_tbd tbdtso; }; /* * The following structure isn't actually part of the TxCB, * unless the extended TxCB feature is being used. In this * case, the first two elements of the structure below are * fetched along with the TxCB. */ union { struct fxp_ipcb ipcb; struct fxp_tbd tbd[FXP_NTXSEG + 1]; } tx_cb_u; }; #define tbd tx_cb_u.tbd #define ipcb_schedule_low tx_cb_u.ipcb.ipcb_schedule_low #define ipcb_ip_schedule tx_cb_u.ipcb.ipcb_ip_schedule #define ipcb_ip_activation_high tx_cb_u.ipcb.ipcb_ip_activation_high #define ipcb_vlan_id tx_cb_u.ipcb.ipcb_vlan_id #define ipcb_ip_header_offset tx_cb_u.ipcb.ipcb_ip_header_offset #define ipcb_tcp_header_offset tx_cb_u.ipcb.ipcb_tcp_header_offset /* * IPCB field definitions */ #define FXP_IPCB_IP_CHECKSUM_ENABLE 0x10 #define FXP_IPCB_TCPUDP_CHECKSUM_ENABLE 0x20 #define FXP_IPCB_TCP_PACKET 0x40 #define FXP_IPCB_LARGESEND_ENABLE 0x80 #define FXP_IPCB_HARDWAREPARSING_ENABLE 0x01 #define FXP_IPCB_INSERTVLAN_ENABLE 0x02 /* * Control Block (CB) definitions */ /* status */ #define FXP_CB_STATUS_OK 0x2000 #define FXP_CB_STATUS_C 0x8000 /* commands */ #define FXP_CB_COMMAND_NOP 0x0 #define FXP_CB_COMMAND_IAS 0x1 #define FXP_CB_COMMAND_CONFIG 0x2 #define FXP_CB_COMMAND_MCAS 0x3 #define FXP_CB_COMMAND_XMIT 0x4 #define FXP_CB_COMMAND_UCODE 0x5 #define FXP_CB_COMMAND_DUMP 0x6 #define FXP_CB_COMMAND_DIAG 0x7 #define FXP_CB_COMMAND_LOADFILT 0x8 #define FXP_CB_COMMAND_IPCBXMIT 0x9 /* command flags */ #define FXP_CB_COMMAND_SF 0x0008 /* simple/flexible mode */ #define FXP_CB_COMMAND_I 0x2000 /* generate interrupt on completion */ #define FXP_CB_COMMAND_S 0x4000 /* suspend on completion */ #define FXP_CB_COMMAND_EL 0x8000 /* end of list */ /* * RFA definitions */ struct fxp_rfa { uint16_t rfa_status; uint16_t rfa_control; uint32_t link_addr; uint32_t rbd_addr; uint16_t actual_size; uint16_t size; /* * The following fields are only available when using * extended receive mode on an 82550/82551 chipset. */ uint16_t rfax_vlan_id; uint8_t rfax_rx_parser_sts; uint8_t rfax_rsvd0; uint16_t rfax_security_sts; uint8_t rfax_csum_sts; uint8_t rfax_zerocopy_sts; uint8_t rfax_pad[8]; } __packed; #define FXP_RFAX_LEN 16 #define FXP_RFA_STATUS_RCOL 0x0001 /* receive collision */ #define FXP_RFA_STATUS_IAMATCH 0x0002 /* 0 = matches station address */ #define FXP_RFA_STATUS_NOAMATCH 0x0004 /* 1 = doesn't match anything */ #define FXP_RFA_STATUS_PARSE 0x0008 /* pkt parse ok (82550/1 only) */ #define FXP_RFA_STATUS_S4 0x0010 /* receive error from PHY */ #define FXP_RFA_STATUS_TL 0x0020 /* type/length */ #define FXP_RFA_STATUS_FTS 0x0080 /* frame too short */ #define FXP_RFA_STATUS_OVERRUN 0x0100 /* DMA overrun */ #define FXP_RFA_STATUS_RNR 0x0200 /* no resources */ #define FXP_RFA_STATUS_ALIGN 0x0400 /* alignment error */ #define FXP_RFA_STATUS_CRC 0x0800 /* CRC error */ #define FXP_RFA_STATUS_VLAN 0x1000 /* VLAN tagged frame */ #define FXP_RFA_STATUS_OK 0x2000 /* packet received okay */ #define FXP_RFA_STATUS_C 0x8000 /* packet reception complete */ #define FXP_RFA_CONTROL_SF 0x08 /* simple/flexible memory mode */ #define FXP_RFA_CONTROL_H 0x10 /* header RFD */ #define FXP_RFA_CONTROL_S 0x4000 /* suspend after reception */ #define FXP_RFA_CONTROL_EL 0x8000 /* end of list */ /* Bits in the 'csum_sts' byte */ #define FXP_RFDX_CS_TCPUDP_CSUM_BIT_VALID 0x10 #define FXP_RFDX_CS_TCPUDP_CSUM_VALID 0x20 #define FXP_RFDX_CS_IP_CSUM_BIT_VALID 0x01 #define FXP_RFDX_CS_IP_CSUM_VALID 0x02 /* Bits in the 'packet parser' byte */ #define FXP_RFDX_P_PARSE_BIT 0x08 #define FXP_RFDX_P_CSUM_PROTOCOL_MASK 0x03 #define FXP_RFDX_P_TCP_PACKET 0x00 #define FXP_RFDX_P_UDP_PACKET 0x01 #define FXP_RFDX_P_IP_PACKET 0x03 /* * Statistics dump area definitions */ struct fxp_stats { uint32_t tx_good; uint32_t tx_maxcols; uint32_t tx_latecols; uint32_t tx_underruns; uint32_t tx_lostcrs; uint32_t tx_deffered; uint32_t tx_single_collisions; uint32_t tx_multiple_collisions; uint32_t tx_total_collisions; uint32_t rx_good; uint32_t rx_crc_errors; uint32_t rx_alignment_errors; uint32_t rx_rnr_errors; uint32_t rx_overrun_errors; uint32_t rx_cdt_errors; uint32_t rx_shortframes; uint32_t tx_pause; uint32_t rx_pause; uint32_t rx_controls; uint16_t tx_tco; uint16_t rx_tco; uint32_t completion_status; uint32_t reserved0; uint32_t reserved1; uint32_t reserved2; }; #define FXP_STATS_DUMP_COMPLETE 0xa005 #define FXP_STATS_DR_COMPLETE 0xa007 /* * Serial EEPROM control register bits */ #define FXP_EEPROM_EESK 0x01 /* shift clock */ #define FXP_EEPROM_EECS 0x02 /* chip select */ #define FXP_EEPROM_EEDI 0x04 /* data in */ #define FXP_EEPROM_EEDO 0x08 /* data out */ /* * Serial EEPROM opcodes, including start bit */ #define FXP_EEPROM_OPC_ERASE 0x4 #define FXP_EEPROM_OPC_WRITE 0x5 #define FXP_EEPROM_OPC_READ 0x6 /* * EEPROM map */ #define FXP_EEPROM_MAP_IA0 0x00 /* Station address */ #define FXP_EEPROM_MAP_IA1 0x01 #define FXP_EEPROM_MAP_IA2 0x02 #define FXP_EEPROM_MAP_COMPAT 0x03 /* Compatibility */ #define FXP_EEPROM_MAP_CNTR 0x05 /* Controller/connector type */ #define FXP_EEPROM_MAP_PRI_PHY 0x06 /* Primary PHY record */ #define FXP_EEPROM_MAP_SEC_PHY 0x07 /* Secondary PHY record */ #define FXP_EEPROM_MAP_PWA0 0x08 /* Printed wire assembly num. */ #define FXP_EEPROM_MAP_PWA1 0x09 /* Printed wire assembly num. */ #define FXP_EEPROM_MAP_ID 0x0A /* EEPROM ID */ #define FXP_EEPROM_MAP_SUBSYS 0x0B /* Subsystem ID */ #define FXP_EEPROM_MAP_SUBVEN 0x0C /* Subsystem vendor ID */ #define FXP_EEPROM_MAP_CKSUM64 0x3F /* 64-word EEPROM checksum */ #define FXP_EEPROM_MAP_CKSUM256 0xFF /* 256-word EEPROM checksum */ /* * Management Data Interface opcodes */ #define FXP_MDI_WRITE 0x1 #define FXP_MDI_READ 0x2 /* * PHY device types */ #define FXP_PHY_DEVICE_MASK 0x3f00 #define FXP_PHY_SERIAL_ONLY 0x8000 #define FXP_PHY_NONE 0 #define FXP_PHY_82553A 1 #define FXP_PHY_82553C 2 #define FXP_PHY_82503 3 #define FXP_PHY_DP83840 4 #define FXP_PHY_80C240 5 #define FXP_PHY_80C24 6 #define FXP_PHY_82555 7 #define FXP_PHY_DP83840A 10 #define FXP_PHY_82555B 11 /* * Chip revision values. */ #define FXP_REV_82557 1 /* catchall 82557 chip type */ #define FXP_REV_82558_A4 4 /* 82558 A4 stepping */ #define FXP_REV_82558_B0 5 /* 82558 B0 stepping */ #define FXP_REV_82559_A0 8 /* 82559 A0 stepping */ #define FXP_REV_82559S_A 9 /* 82559S A stepping */ #define FXP_REV_82550 12 #define FXP_REV_82550_C 13 /* 82550 C stepping */ #define FXP_REV_82551_E 14 /* 82551 */ #define FXP_REV_82551_F 15 /* 82551 */ #define FXP_REV_82551_10 16 /* 82551 */