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i82557reg.h revision 1.13
      1 /*	$NetBSD: i82557reg.h,v 1.13 2003/11/02 10:50:40 wiz Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1998, 1999, 2001 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
      9  * NASA Ames Research Center.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  * 3. All advertising materials mentioning features or use of this software
     20  *    must display the following acknowledgement:
     21  *	This product includes software developed by the NetBSD
     22  *	Foundation, Inc. and its contributors.
     23  * 4. Neither the name of The NetBSD Foundation nor the names of its
     24  *    contributors may be used to endorse or promote products derived
     25  *    from this software without specific prior written permission.
     26  *
     27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     37  * POSSIBILITY OF SUCH DAMAGE.
     38  */
     39 
     40 /*
     41  * Copyright (c) 1995, David Greenman
     42  * Copyright (c) 2001 Jonathan Lemon <jlemon (at) freebsd.org>
     43  * All rights reserved.
     44  *
     45  * Redistribution and use in source and binary forms, with or without
     46  * modification, are permitted provided that the following conditions
     47  * are met:
     48  * 1. Redistributions of source code must retain the above copyright
     49  *    notice unmodified, this list of conditions, and the following
     50  *    disclaimer.
     51  * 2. Redistributions in binary form must reproduce the above copyright
     52  *    notice, this list of conditions and the following disclaimer in the
     53  *    documentation and/or other materials provided with the distribution.
     54  *
     55  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     56  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     57  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     58  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     59  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     60  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     61  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     62  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     63  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     64  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     65  * SUCH DAMAGE.
     66  *
     67  *	Id: if_fxpreg.h,v 1.24 2001/05/15 18:52:40 jlemon Exp
     68  */
     69 
     70 #define FXP_PCI_MMBA	0x10
     71 #define FXP_PCI_IOBA	0x14
     72 
     73 /*
     74  * Control/status registers.
     75  */
     76 #define	FXP_CSR_SCB_RUSCUS	0x00	/* scb_rus/scb_cus (1 byte) */
     77 #define	FXP_CSR_SCB_STATACK	0x01	/* scb_statack (1 byte) */
     78 #define	FXP_CSR_SCB_COMMAND	0x02	/* scb_command (1 byte) */
     79 #define	FXP_CSR_SCB_INTRCNTL	0x03	/* scb_intrcntl (1 byte) */
     80 #define	FXP_CSR_SCB_GENERAL	0x04	/* scb_general (4 bytes) */
     81 #define	FXP_CSR_PORT		0x08	/* port (4 bytes) */
     82 #define	FXP_CSR_FLASHCONTROL	0x0c	/* flash control (2 bytes) */
     83 #define	FXP_CSR_EEPROMCONTROL	0x0e	/* eeprom control (2 bytes) */
     84 #define	FXP_CSR_MDICONTROL	0x10	/* mdi control (4 bytes) */
     85 #define	FXP_CSR_FLOWCONTROL	0x19	/* flow control (2 bytes) */
     86 
     87 /*
     88  * FOR REFERENCE ONLY, the old definition of FXP_CSR_SCB_RUSCUS:
     89  *
     90  *	volatile u_int8_t	:2,
     91  *				scb_rus:4,
     92  *				scb_cus:2;
     93  */
     94 
     95 #define FXP_PORT_SOFTWARE_RESET		0
     96 #define FXP_PORT_SELFTEST		1
     97 #define FXP_PORT_SELECTIVE_RESET	2
     98 #define FXP_PORT_DUMP			3
     99 
    100 #define FXP_SCB_RUS_IDLE		0
    101 #define FXP_SCB_RUS_SUSPENDED		1
    102 #define FXP_SCB_RUS_NORESOURCES		2
    103 #define FXP_SCB_RUS_READY		4
    104 #define FXP_SCB_RUS_SUSP_NORBDS		9
    105 #define FXP_SCB_RUS_NORES_NORBDS	10
    106 #define FXP_SCB_RUS_READY_NORBDS	12
    107 
    108 #define FXP_SCB_CUS_IDLE		0
    109 #define FXP_SCB_CUS_SUSPENDED		1
    110 #define FXP_SCB_CUS_ACTIVE		2
    111 
    112 #define	FXP_SCB_INTR_DISABLE		0x01	/* disable all interrupts */
    113 #define	FXP_SCB_INTR_SWI		0x02	/* generate SWI */
    114 #define	FXP_SCB_INTMASK_FCP		0x04
    115 #define	FXP_SCB_INTMASK_ER		0x08
    116 #define	FXP_SCB_INTMASK_RNR		0x10
    117 #define	FXP_SCB_INTMASK_CNA		0x20
    118 #define	FXP_SCB_INTMASK_FR		0x40
    119 #define	FXP_SCB_INTMASK_CXTNO		0x80
    120 
    121 #define	FXP_SCB_STATACK_FCP		0x01	/* flow control pause */
    122 #define	FXP_SCB_STATACK_ER		0x02	/* early receive */
    123 #define FXP_SCB_STATACK_SWI		0x04
    124 #define FXP_SCB_STATACK_MDI		0x08
    125 #define FXP_SCB_STATACK_RNR		0x10
    126 #define FXP_SCB_STATACK_CNA		0x20
    127 #define FXP_SCB_STATACK_FR		0x40
    128 #define FXP_SCB_STATACK_CXTNO		0x80
    129 
    130 #define FXP_SCB_COMMAND_CU_NOP		0x00
    131 #define FXP_SCB_COMMAND_CU_START	0x10
    132 #define FXP_SCB_COMMAND_CU_RESUME	0x20
    133 #define FXP_SCB_COMMAND_CU_DUMP_ADR	0x40
    134 #define FXP_SCB_COMMAND_CU_DUMP		0x50
    135 #define FXP_SCB_COMMAND_CU_BASE		0x60
    136 #define FXP_SCB_COMMAND_CU_DUMPRESET	0x70
    137 
    138 #define FXP_SCB_COMMAND_RU_NOP		0
    139 #define FXP_SCB_COMMAND_RU_START	1
    140 #define FXP_SCB_COMMAND_RU_RESUME	2
    141 #define FXP_SCB_COMMAND_RU_ABORT	4
    142 #define FXP_SCB_COMMAND_RU_LOADHDS	5
    143 #define FXP_SCB_COMMAND_RU_BASE		6
    144 #define FXP_SCB_COMMAND_RU_RBDRESUME	7
    145 
    146 /*
    147  * Command block definitions
    148  */
    149 
    150 /*
    151  * NOP command.
    152  */
    153 struct fxp_cb_nop {
    154 	volatile u_int16_t cb_status;
    155 	volatile u_int16_t cb_command;
    156 	volatile u_int32_t link_addr;
    157 };
    158 
    159 /*
    160  * Individual Address command.
    161  */
    162 struct fxp_cb_ias {
    163 	volatile u_int16_t cb_status;
    164 	volatile u_int16_t cb_command;
    165 	volatile u_int32_t link_addr;
    166 	volatile u_int8_t macaddr[6];
    167 };
    168 
    169 #if BYTE_ORDER == LITTLE_ENDIAN
    170 #define	__FXP_BITFIELD2(a, b)			a, b
    171 #define	__FXP_BITFIELD3(a, b, c)		a, b, c
    172 #define	__FXP_BITFIELD4(a, b, c, d)		a, b, c, d
    173 #define	__FXP_BITFIELD5(a, b, c, d, e)		a, b, c, d, e
    174 #define	__FXP_BITFIELD6(a, b, c, d, e, f)	a, b, c, d, e, f
    175 #define	__FXP_BITFIELD7(a, b, c, d, e, f, g)	a, b, c, d, e, f, g
    176 #define	__FXP_BITFIELD8(a, b, c, d, e, f, g, h)	a, b, c, d, e, f, g, h
    177 #else
    178 #define	__FXP_BITFIELD2(a, b)			b, a
    179 #define	__FXP_BITFIELD3(a, b, c)		c, b, a
    180 #define	__FXP_BITFIELD4(a, b, c, d)		d, c, b, a
    181 #define	__FXP_BITFIELD5(a, b, c, d, e)		e, d, c, b, a
    182 #define	__FXP_BITFIELD6(a, b, c, d, e, f)	f, e, d, c, b, a
    183 #define	__FXP_BITFIELD7(a, b, c, d, e, f, g)	g, f, e, d, c, b, a
    184 #define	__FXP_BITFIELD8(a, b, c, d, e, f, g, h)	h, g, f, e, d, c, b, a
    185 #endif
    186 
    187 /*
    188  * Configure command.
    189  */
    190 struct fxp_cb_config {
    191 	volatile u_int16_t	cb_status;
    192 	volatile u_int16_t	cb_command;
    193 	volatile u_int32_t	link_addr;
    194 
    195 	/* Bytes 0 - 21 -- common to all i8255x */
    196 /*0*/	volatile u_int8_t	__FXP_BITFIELD2(byte_count:6, :2);
    197 /*1*/	volatile u_int8_t	__FXP_BITFIELD3(rx_fifo_limit:4,
    198 				    tx_fifo_limit:3,
    199 				    :1);
    200 /*2*/	volatile u_int8_t	adaptive_ifs;
    201 /*3*/	volatile u_int8_t	__FXP_BITFIELD5(mwi_enable:1,	/* 8,9 */
    202 				    type_enable:1,		/* 8,9 */
    203 				    read_align_en:1,		/* 8,9 */
    204 				    end_wr_on_cl:1,		/* 8,9 */
    205 				    :4);
    206 /*4*/	volatile u_int8_t	__FXP_BITFIELD2(rx_dma_bytecount:7,
    207 				    :1);
    208 /*5*/	volatile u_int8_t	__FXP_BITFIELD2(tx_dma_bytecount:7,
    209 				    dma_mbce:1);
    210 /*6*/	volatile u_int8_t	__FXP_BITFIELD8(late_scb:1,	/* 7 */
    211 				    direct_dma_dis:1,		/* 8,9 */
    212 				    tno_int_or_tco_en:1,	/* 7,9 */
    213 				    ci_int:1,
    214 				    ext_txcb_dis:1,		/* 8,9 */
    215 				    ext_stats_dis:1,		/* 8,9 */
    216 				    keep_overrun_rx:1,
    217 				    save_bf:1);
    218 /*7*/	volatile u_int8_t	__FXP_BITFIELD6(disc_short_rx:1,
    219 				    underrun_retry:2,
    220 				    :2,
    221 				    ext_rfa:1,			/* 0 */
    222 				    two_frames:1,		/* 8,9 */
    223 				    dyn_tbd:1);			/* 8,9 */
    224 /*8*/	volatile u_int8_t	__FXP_BITFIELD3(mediatype:1,	/* 7 */
    225 				    :6,
    226 				    csma_dis:1);		/* 8,9 */
    227 /*9*/	volatile u_int8_t	__FXP_BITFIELD6(tcp_udp_cksum:1,/* 9 */
    228 				    :3,
    229 				    vlan_tco:1,			/* 8,9 */
    230 				    link_wake_en:1,		/* 8,9 */
    231 				    arp_wake_en:1,		/* 8 */
    232 				    mc_wake_en:1);		/* 8 */
    233 /*10*/	volatile u_int8_t	__FXP_BITFIELD4(:3,
    234 				    nsai:1,
    235 				    preamble_length:2,
    236 				    loopback:2);
    237 /*11*/	volatile u_int8_t	__FXP_BITFIELD2(linear_priority:3,/* 7 */
    238 				    :5);
    239 /*12*/	volatile u_int8_t	__FXP_BITFIELD3(linear_pri_mode:1,/* 7 */
    240 				    :3,
    241 				    interfrm_spacing:4);
    242 /*13*/	volatile u_int8_t	:8;
    243 /*14*/	volatile u_int8_t	:8;
    244 /*15*/	volatile u_int8_t	__FXP_BITFIELD8(promiscuous:1,
    245 				    bcast_disable:1,
    246 				    wait_after_win:1,		/* 8,9 */
    247 				    :1,
    248 				    ignore_ul:1,		/* 8,9 */
    249 				    crc16_en:1,			/* 9 */
    250 				    :1,
    251 				    crscdt:1);
    252 /*16*/	volatile u_int8_t	fc_delay_lsb:8;			/* 8,9 */
    253 /*17*/	volatile u_int8_t	fc_delay_msb:8;			/* 8,9 */
    254 /*18*/	volatile u_int8_t	__FXP_BITFIELD6(stripping:1,
    255 				    padding:1,
    256 				    rcv_crc_xfer:1,
    257 				    long_rx_en:1,		/* 8,9 */
    258 				    pri_fc_thresh:3,		/* 8,9 */
    259 				    :1);
    260 /*19*/	volatile u_int8_t	__FXP_BITFIELD8(ia_wake_en:1,	/* 8 */
    261 				    magic_pkt_dis:1,		/* 8,9,!9ER */
    262 				    tx_fc_dis:1,		/* 8,9 */
    263 				    rx_fc_restop:1,		/* 8,9 */
    264 				    rx_fc_restart:1,		/* 8,9 */
    265 				    fc_filter:1,		/* 8,9 */
    266 				    force_fdx:1,
    267 				    fdx_pin_en:1);
    268 /*20*/	volatile u_int8_t	__FXP_BITFIELD4(:5,
    269 				    pri_fc_loc:1		/* 8,9 */,
    270 				    multi_ia:1,
    271 				    :1);
    272 /*21*/	volatile u_int8_t	__FXP_BITFIELD3(:3, mc_all:1, :4);
    273 
    274 	/* Bytes 22 - 31 -- i82550 only */
    275 /*22*/	volatile u_int8_t	__FXP_BITFIELD3(ext_rx_mode:1,
    276 				    vlan_drop_en:1,
    277 				    :6);
    278 	volatile u_int8_t	reserved[9];
    279 };
    280 
    281 #define	FXP_CONFIG_LEN		22	/* i8255x */
    282 #define	FXP_EXT_CONFIG_LEN	32	/* i82550 */
    283 
    284 /*
    285  * Multicast setup command.
    286  */
    287 #define MAXMCADDR 80
    288 struct fxp_cb_mcs {
    289 	volatile u_int16_t cb_status;
    290 	volatile u_int16_t cb_command;
    291 	volatile u_int32_t link_addr;
    292 	volatile u_int16_t mc_cnt;
    293 	volatile u_int8_t mc_addr[MAXMCADDR][6];
    294 };
    295 
    296 #define	MAXUCODESIZE		192
    297 struct fxp_cb_ucode {
    298 	volatile u_int16_t cb_status;
    299 	volatile u_int16_t cb_command;
    300 	volatile u_int32_t link_addr;
    301 	volatile u_int32_t ucode[MAXUCODESIZE];
    302 };
    303 
    304 struct fxp_ipcb {
    305 	/*
    306 	 * The following fields are valid only when
    307 	 * using the IPCB command block for TX checksum offload
    308 	 * (and TCP large send, VLANs, and (I think) IPsec). To use
    309 	 * them, you must enable extended TxCBs (available only
    310 	 * on the 82559 and later) and use the IPCBXMIT command.
    311 	 * Note that Intel defines the IPCB to be 32 bytes long,
    312 	 * the last 8 bytes of which comprise the first entry
    313 	 * in the TBD array. This means we only have to define
    314 	 * 8 extra bytes here.
    315          */
    316 	volatile u_int16_t ipcb_schedule_low;
    317 	volatile u_int8_t ipcb_ip_schedule;
    318 	volatile u_int8_t ipcb_ip_activation_high;
    319 	volatile u_int16_t ipcb_vlan_id;
    320 	volatile u_int8_t ipcb_ip_header_offset;
    321 	volatile u_int8_t ipcb_tcp_header_offset;
    322 };
    323 
    324 /*
    325  * IPCB field definitions
    326  */
    327 /* for ipcb_ip_schedule */
    328 #define FXP_IPCB_IP_CHECKSUM_ENABLE	0x10
    329 #define FXP_IPCB_TCPUDP_CHECKSUM_ENABLE	0x20
    330 #define FXP_IPCB_TCP_PACKET		0x40
    331 #define FXP_IPCB_LARGESEND_ENABLE	0x80
    332 /* for ipcb_ip_activation_high */
    333 #define FXP_IPCB_HARDWAREPARSING_ENABLE	0x01
    334 #define FXP_IPCB_INSERTVLAN_ENABLE	0x02
    335 
    336 /*
    337  * Transmit command.
    338  */
    339 struct fxp_cb_tx {
    340 	volatile u_int16_t cb_status;
    341 	volatile u_int16_t cb_command;
    342 	volatile u_int32_t link_addr;
    343 	volatile u_int32_t tbd_array_addr;
    344 	volatile u_int16_t byte_count;
    345 	volatile u_int8_t tx_threshold;
    346 	volatile u_int8_t tbd_number;
    347 	/*
    348 	 * If using the extended TxCB feature, there is a
    349 	 * two TBDs right here.  We handle this in the
    350 	 * fxp_control_data in i82557var.h.
    351 	 */
    352 };
    353 
    354 /*
    355  * Transmit buffer descriptors.
    356  */
    357 struct fxp_tbd {
    358 	volatile u_int32_t tb_addr;
    359 	volatile u_int32_t tb_size;
    360 };
    361 
    362 /*
    363  * Control Block (CB) definitions
    364  */
    365 
    366 /* status */
    367 #define FXP_CB_STATUS_OK	0x2000
    368 #define FXP_CB_STATUS_C		0x8000
    369 
    370 /* commands */
    371 #define FXP_CB_COMMAND_NOP	0x0
    372 #define FXP_CB_COMMAND_IAS	0x1
    373 #define FXP_CB_COMMAND_CONFIG	0x2
    374 #define FXP_CB_COMMAND_MCAS	0x3
    375 #define FXP_CB_COMMAND_XMIT	0x4
    376 #define FXP_CB_COMMAND_UCODE	0x5
    377 #define FXP_CB_COMMAND_DUMP	0x6
    378 #define FXP_CB_COMMAND_DIAG	0x7
    379 #define FXP_CB_COMMAND_IPCBXMIT	0x9
    380 
    381 /* command flags */
    382 #define FXP_CB_COMMAND_SF	0x0008	/* simple/flexible mode */
    383 #define FXP_CB_COMMAND_I	0x2000	/* generate interrupt on completion */
    384 #define FXP_CB_COMMAND_S	0x4000	/* suspend on completion */
    385 #define FXP_CB_COMMAND_EL	0x8000	/* end of list */
    386 
    387 /*
    388  * Receive Frame Area.
    389  *
    390  * NOTE!  The RFA will NOT be aligned on a 4-byte boundary in the DMA
    391  * area!  To prevent EGCS from optimizing the copy of link_addr and
    392  * rbd_addr (which would cause an unaligned access fault on RISC systems),
    393  * we must make them an array of bytes!
    394  */
    395 struct fxp_rfa {
    396 	/* Fields common to all i8255x chips. */
    397 	volatile u_int16_t rfa_status;
    398 	volatile u_int16_t rfa_control;
    399 	volatile u_int8_t link_addr[4];
    400 	volatile u_int8_t rbd_addr[4];
    401 	volatile u_int16_t actual_size;
    402 	volatile u_int16_t size;
    403 
    404 	/* Fields available only on the i82550/i82551 in extended RFD mode. */
    405 	volatile u_int16_t vlan_id;
    406 	volatile u_int8_t rx_parse_stat;
    407 	volatile u_int8_t reserved;
    408 	volatile u_int16_t security_stat;
    409 	volatile u_int8_t cksum_stat;
    410 	volatile u_int8_t zerocopy_stat;
    411 	volatile u_int8_t unused[8];
    412 };
    413 
    414 #define	RFA_SIZE		16
    415 #define	RFA_EXT_SIZE		32
    416 
    417 #define FXP_RFA_STATUS_RCOL	0x0001	/* receive collision */
    418 #define FXP_RFA_STATUS_IAMATCH	0x0002	/* 0 = matches station address */
    419 #define FXP_RFA_STATUS_NOAMATCH	0x0004	/* 1 = doesn't match anything */
    420 #define FXP_RFA_STATUS_PARSE	0x0008	/* pkt parse ok (82550/1 only) */
    421 #define FXP_RFA_STATUS_S4	0x0010	/* receive error from PHY */
    422 #define FXP_RFA_STATUS_TL	0x0020	/* type/length */
    423 #define FXP_RFA_STATUS_FTS	0x0080	/* frame too short */
    424 #define FXP_RFA_STATUS_OVERRUN	0x0100	/* DMA overrun */
    425 #define FXP_RFA_STATUS_RNR	0x0200	/* no resources */
    426 #define FXP_RFA_STATUS_ALIGN	0x0400	/* alignment error */
    427 #define FXP_RFA_STATUS_CRC	0x0800	/* CRC error */
    428 #define FXP_RFA_STATUS_OK	0x2000	/* packet received okay */
    429 #define FXP_RFA_STATUS_C	0x8000	/* packet reception complete */
    430 
    431 #define FXP_RFA_CONTROL_SF	0x0008	/* simple/flexible memory mode */
    432 #define FXP_RFA_CONTROL_H	0x0010	/* header RFD */
    433 #define FXP_RFA_CONTROL_S	0x4000	/* suspend after reception */
    434 #define FXP_RFA_CONTROL_EL	0x8000	/* end of list */
    435 
    436 /* Bits in the 'cksum_stat' byte */
    437 #define FXP_RFDX_CS_TCPUDP_CSUM_BIT_VALID	0x10
    438 #define FXP_RFDX_CS_TCPUDP_CSUM_VALID		0x20
    439 #define FXP_RFDX_CS_IP_CSUM_BIT_VALID		0x01
    440 #define FXP_RFDX_CS_IP_CSUM_VALID		0x02
    441 
    442 /* Bits in the 'rx_parse_stat' byte */
    443 #define FXP_RFDX_P_PARSE_BIT			0x08
    444 #define FXP_RFDX_P_CSUM_PROTOCOL_MASK		0x03
    445 #define FXP_RFDX_P_TCP_PACKET			0x00
    446 #define FXP_RFDX_P_UDP_PACKET			0x01
    447 #define FXP_RFDX_P_IP_PACKET			0x03
    448 
    449 /*
    450  * Statistics dump area definitions
    451  */
    452 struct fxp_stats {
    453 	volatile u_int32_t tx_good;
    454 	volatile u_int32_t tx_maxcols;
    455 	volatile u_int32_t tx_latecols;
    456 	volatile u_int32_t tx_underruns;
    457 	volatile u_int32_t tx_lostcrs;
    458 	volatile u_int32_t tx_deferred;
    459 	volatile u_int32_t tx_single_collisions;
    460 	volatile u_int32_t tx_multiple_collisions;
    461 	volatile u_int32_t tx_total_collisions;
    462 	volatile u_int32_t rx_good;
    463 	volatile u_int32_t rx_crc_errors;
    464 	volatile u_int32_t rx_alignment_errors;
    465 	volatile u_int32_t rx_rnr_errors;
    466 	volatile u_int32_t rx_overrun_errors;
    467 	volatile u_int32_t rx_cdt_errors;
    468 	volatile u_int32_t rx_shortframes;
    469 	volatile u_int32_t completion_status;
    470 };
    471 #define FXP_STATS_DUMP_COMPLETE	0xa005
    472 #define FXP_STATS_DR_COMPLETE	0xa007
    473 
    474 /*
    475  * Serial EEPROM control register bits
    476  */
    477 #define FXP_EEPROM_EESK		0x01		/* shift clock */
    478 #define FXP_EEPROM_EECS		0x02		/* chip select */
    479 #define FXP_EEPROM_EEDI		0x04		/* data in */
    480 #define FXP_EEPROM_EEDO		0x08		/* data out */
    481 
    482 /*
    483  * Serial EEPROM opcodes, including start bit
    484  */
    485 #define FXP_EEPROM_OPC_ERASE	0x4
    486 #define FXP_EEPROM_OPC_WRITE	0x5
    487 #define FXP_EEPROM_OPC_READ	0x6
    488 
    489 /*
    490  * Management Data Interface opcodes
    491  */
    492 #define FXP_MDI_WRITE		0x1
    493 #define FXP_MDI_READ		0x2
    494 
    495 /*
    496  * PHY device types (from EEPROM)
    497  */
    498 #define	FXP_PHY_DEVICE_MASK	0x3f00
    499 #define	FXP_PHY_DEVICE_SHIFT	8
    500 #define	FXP_PHY_DEVADDR_MASK	0x00ff
    501 #define	FXP_PHY_SERIAL_ONLY	0x8000
    502 #define FXP_PHY_NONE		0
    503 #define FXP_PHY_82553A		1
    504 #define FXP_PHY_82553C		2
    505 #define FXP_PHY_82503		3
    506 #define FXP_PHY_DP83840		4
    507 #define FXP_PHY_80C240		5
    508 #define FXP_PHY_80C24		6
    509 #define FXP_PHY_82555		7
    510 #define FXP_PHY_DP83840A	10
    511 #define	FXP_PHY_DP82555B	11
    512 
    513 /*
    514  * PCI revisions.
    515  */
    516 #define	FXP_REV_82558_A4	4
    517 #define	FXP_REV_82558_B0	5
    518 #define	FXP_REV_82559_A0	8
    519 #define	FXP_REV_82559S_A	9
    520 #define	FXP_REV_82550		12
    521 #define	FXP_REV_82550_C		13
    522