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if_txpreg.h revision 1.5.38.1
      1 /* $NetBSD: if_txpreg.h,v 1.5.38.1 2012/10/30 17:21:33 yamt Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2001 Aaron Campbell <aaron (at) monkey.org>.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
     20  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     21  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     22  * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     24  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
     25  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     26  * THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #define	TXP_PCI_LOMEM			0x14	/* pci conf, memory map BAR */
     30 #define	TXP_PCI_LOIO			0x10	/* pci conf, IO map BAR */
     31 
     32 /*
     33  * Typhoon registers.
     34  */
     35 #define	TXP_SRR				0x00	/* soft reset register */
     36 #define	TXP_ISR				0x04	/* interrupt status register */
     37 #define	TXP_IER				0x08	/* interrupt enable register */
     38 #define	TXP_IMR				0x0c	/* interrupt mask register */
     39 #define	TXP_SIR				0x10	/* self interrupt register */
     40 #define	TXP_H2A_7			0x14	/* host->arm comm 7 */
     41 #define	TXP_H2A_6			0x18	/* host->arm comm 6 */
     42 #define	TXP_H2A_5			0x1c	/* host->arm comm 5 */
     43 #define	TXP_H2A_4			0x20	/* host->arm comm 4 */
     44 #define	TXP_H2A_3			0x24	/* host->arm comm 3 */
     45 #define	TXP_H2A_2			0x28	/* host->arm comm 2 */
     46 #define	TXP_H2A_1			0x2c	/* host->arm comm 1 */
     47 #define	TXP_H2A_0			0x30	/* host->arm comm 0 */
     48 #define	TXP_A2H_3			0x34	/* arm->host comm 3 */
     49 #define	TXP_A2H_2			0x38	/* arm->host comm 2 */
     50 #define	TXP_A2H_1			0x3c	/* arm->host comm 1 */
     51 #define	TXP_A2H_0			0x40	/* arm->host comm 0 */
     52 
     53 /*
     54  * interrupt bits (IMR, ISR, IER)
     55  */
     56 #define	TXP_INT_RESERVED	0xffff0000
     57 #define	TXP_INT_A2H_7		0x00008000	/* arm->host comm 7 */
     58 #define	TXP_INT_A2H_6		0x00004000	/* arm->host comm 6 */
     59 #define	TXP_INT_A2H_5		0x00002000	/* arm->host comm 5 */
     60 #define	TXP_INT_A2H_4		0x00001000	/* arm->host comm 4 */
     61 #define	TXP_INT_SELF		0x00000800	/* self interrupt */
     62 #define	TXP_INT_PCI_TABORT	0x00000400	/* pci target abort */
     63 #define	TXP_INT_PCI_MABORT	0x00000200	/* pci master abort */
     64 #define	TXP_INT_DMA3		0x00000100	/* dma3 done */
     65 #define	TXP_INT_DMA2		0x00000080	/* dma2 done */
     66 #define	TXP_INT_DMA1		0x00000040	/* dma1 done */
     67 #define	TXP_INT_DMA0		0x00000020	/* dma0 done */
     68 #define	TXP_INT_A2H_3		0x00000010	/* arm->host comm 3 */
     69 #define	TXP_INT_A2H_2		0x00000008	/* arm->host comm 2 */
     70 #define	TXP_INT_A2H_1		0x00000004	/* arm->host comm 1 */
     71 #define	TXP_INT_A2H_0		0x00000002	/* arm->host comm 0 */
     72 #define	TXP_INT_LATCH		0x00000001	/* interrupt latch */
     73 
     74 /*
     75  * soft reset register (SRR)
     76  */
     77 #define	TXP_SRR_ALL		0x0000007f	/* full reset */
     78 
     79 /*
     80  * Typhoon boot commands.
     81  */
     82 #define	TXP_BOOTCMD_NULL			0x00
     83 #define	TXP_BOOTCMD_DOWNLOAD_COMPLETE		0xfb
     84 #define	TXP_BOOTCMD_SEGMENT_AVAILABLE		0xfc
     85 #define	TXP_BOOTCMD_RUNTIME_IMAGE		0xfd
     86 #define	TXP_BOOTCMD_REGISTER_BOOT_RECORD	0xff
     87 
     88 /*
     89  * Typhoon runtime commands.
     90  */
     91 #define	TXP_CMD_GLOBAL_RESET			0x00
     92 #define	TXP_CMD_TX_ENABLE			0x01
     93 #define	TXP_CMD_TX_DISABLE			0x02
     94 #define	TXP_CMD_RX_ENABLE			0x03
     95 #define	TXP_CMD_RX_DISABLE			0x04
     96 #define	TXP_CMD_RX_FILTER_WRITE			0x05
     97 #define	TXP_CMD_RX_FILTER_READ			0x06
     98 #define	TXP_CMD_READ_STATISTICS			0x07
     99 #define	TXP_CMD_CYCLE_STATISTICS		0x08
    100 #define	TXP_CMD_CLEAR_STATISTICS		0x09
    101 #define	TXP_CMD_MEMORY_READ			0x0a
    102 #define	TXP_CMD_MEMORY_WRITE_SINGLE		0x0b
    103 #define	TXP_CMD_VARIABLE_SECTION_READ		0x0c
    104 #define	TXP_CMD_VARIABLE_SECTION_WRITE		0x0d
    105 #define	TXP_CMD_STATIC_SECTION_READ		0x0e
    106 #define	TXP_CMD_STATIC_SECTION_WRITE		0x0f
    107 #define	TXP_CMD_IMAGE_SECTION_PROGRAM		0x10
    108 #define	TXP_CMD_NVRAM_PAGE_READ			0x11
    109 #define	TXP_CMD_NVRAM_PAGE_WRITE		0x12
    110 #define	TXP_CMD_XCVR_SELECT			0x13
    111 #define	TXP_CMD_TEST_MUX			0x14
    112 #define	TXP_CMD_PHYLOOPBACK_ENABLE		0x15
    113 #define	TXP_CMD_PHYLOOPBACK_DISABLE		0x16
    114 #define	TXP_CMD_MAC_CONTROL_READ		0x17
    115 #define	TXP_CMD_MAC_CONTROL_WRITE		0x18
    116 #define	TXP_CMD_MAX_PKT_SIZE_READ		0x19
    117 #define	TXP_CMD_MAX_PKT_SIZE_WRITE		0x1a
    118 #define	TXP_CMD_MEDIA_STATUS_READ		0x1b
    119 #define	TXP_CMD_MEDIA_STATUS_WRITE		0x1c
    120 #define	TXP_CMD_NETWORK_DIAGS_READ		0x1d
    121 #define	TXP_CMD_NETWORK_DIAGS_WRITE		0x1e
    122 #define	TXP_CMD_PHY_MGMT_READ			0x1f
    123 #define	TXP_CMD_PHY_MGMT_WRITE			0x20
    124 #define	TXP_CMD_VARIABLE_PARAMETER_READ		0x21
    125 #define	TXP_CMD_VARIABLE_PARAMETER_WRITE	0x22
    126 #define	TXP_CMD_GOTO_SLEEP			0x23
    127 #define	TXP_CMD_FIREWALL_CONTROL		0x24
    128 #define	TXP_CMD_MCAST_HASH_MASK_WRITE		0x25
    129 #define	TXP_CMD_STATION_ADDRESS_WRITE		0x26
    130 #define	TXP_CMD_STATION_ADDRESS_READ		0x27
    131 #define	TXP_CMD_STATION_MASK_WRITE		0x28
    132 #define	TXP_CMD_STATION_MASK_READ		0x29
    133 #define	TXP_CMD_VLAN_ETHER_TYPE_READ		0x2a
    134 #define	TXP_CMD_VLAN_ETHER_TYPE_WRITE		0x2b
    135 #define	TXP_CMD_VLAN_MASK_READ			0x2c
    136 #define	TXP_CMD_VLAN_MASK_WRITE			0x2d
    137 #define	TXP_CMD_BCAST_THROTTLE_WRITE		0x2e
    138 #define	TXP_CMD_BCAST_THROTTLE_READ		0x2f
    139 #define	TXP_CMD_DHCP_PREVENT_WRITE		0x30
    140 #define	TXP_CMD_DHCP_PREVENT_READ		0x31
    141 #define	TXP_CMD_RECV_BUFFER_CONTROL		0x32
    142 #define	TXP_CMD_SOFTWARE_RESET			0x33
    143 #define	TXP_CMD_CREATE_SA			0x34
    144 #define	TXP_CMD_DELETE_SA			0x35
    145 #define	TXP_CMD_ENABLE_RX_IP_OPTION		0x36
    146 #define	TXP_CMD_RANDOM_NUMBER_CONTROL		0x37
    147 #define	TXP_CMD_RANDOM_NUMBER_READ		0x38
    148 #define	TXP_CMD_MATRIX_TABLE_MODE_WRITE		0x39
    149 #define	TXP_CMD_MATRIX_DETAIL_READ		0x3a
    150 #define	TXP_CMD_FILTER_ARRAY_READ		0x3b
    151 #define	TXP_CMD_FILTER_DETAIL_READ		0x3c
    152 #define	TXP_CMD_FILTER_TABLE_MODE_WRITE		0x3d
    153 #define	TXP_CMD_FILTER_TCL_WRITE		0x3e
    154 #define	TXP_CMD_FILTER_TBL_READ			0x3f
    155 #define	TXP_CMD_VERSIONS_READ			0x43
    156 #define	TXP_CMD_FILTER_DEFINE			0x45
    157 #define	TXP_CMD_ADD_WAKEUP_PKT			0x46
    158 #define	TXP_CMD_ADD_SLEEP_PKT			0x47
    159 #define	TXP_CMD_ENABLE_SLEEP_EVENTS		0x48
    160 #define	TXP_CMD_ENABLE_WAKEUP_EVENTS		0x49
    161 #define	TXP_CMD_GET_IP_ADDRESS			0x4a
    162 #define	TXP_CMD_READ_PCI_REG			0x4c
    163 #define	TXP_CMD_WRITE_PCI_REG			0x4d
    164 #define	TXP_CMD_OFFLOAD_READ			0x4e
    165 #define	TXP_CMD_OFFLOAD_WRITE			0x4f
    166 #define	TXP_CMD_HELLO_RESPONSE			0x57
    167 #define	TXP_CMD_ENABLE_RX_FILTER		0x58
    168 #define	TXP_CMD_RX_FILTER_CAPABILITY		0x59
    169 #define	TXP_CMD_HALT				0x5d
    170 #define	TXP_CMD_READ_IPSEC_INFO			0x54
    171 #define	TXP_CMD_GET_IPSEC_ENABLE		0x67
    172 #define	TXP_CMD_INVALID				0xffff
    173 
    174 #define	TXP_FRAGMENT		0x0000
    175 #define	TXP_TXFRAME		0x0001
    176 #define	TXP_COMMAND		0x0002
    177 #define	TXP_OPTION		0x0003
    178 #define	TXP_RECEIVE		0x0004
    179 #define	TXP_RESPONSE		0x0005
    180 
    181 #define	TXP_TYPE_IPSEC		0x0000
    182 #define	TXP_TYPE_TCPSEGMENT	0x0001
    183 
    184 #define	TXP_PFLAG_NOCRC		0x0000
    185 #define	TXP_PFLAG_IPCKSUM	0x0001
    186 #define	TXP_PFLAG_TCPCKSUM	0x0002
    187 #define	TXP_PFLAG_TCPSEGMENT	0x0004
    188 #define	TXP_PFLAG_INSERTVLAN	0x0008
    189 #define	TXP_PFLAG_IPSEC		0x0010
    190 #define	TXP_PFLAG_PRIORITY	0x0020
    191 #define	TXP_PFLAG_UDPCKSUM	0x0040
    192 #define	TXP_PFLAG_PADFRAME	0x0080
    193 
    194 #define	TXP_MISC_FIRSTDESC	0x0000
    195 #define	TXP_MISC_LASTDESC	0x0001
    196 
    197 #define	TXP_ERR_INTERNAL	0x0000
    198 #define	TXP_ERR_FIFOUNDERRUN	0x0001
    199 #define	TXP_ERR_BADSSD		0x0002
    200 #define	TXP_ERR_RUNT		0x0003
    201 #define	TXP_ERR_CRC		0x0004
    202 #define	TXP_ERR_OVERSIZE	0x0005
    203 #define	TXP_ERR_ALIGNMENT	0x0006
    204 #define	TXP_ERR_DRIBBLEBIT	0x0007
    205 
    206 #define	TXP_PROTO_UNKNOWN	0x0000
    207 #define	TXP_PROTO_IP		0x0001
    208 #define	TXP_PROTO_IPX		0x0002
    209 #define	TXP_PROTO_RESERVED	0x0003
    210 
    211 #define	TXP_STAT_PROTO		0x0001
    212 #define	TXP_STAT_VLAN		0x0002
    213 #define	TXP_STAT_IPFRAGMENT	0x0004
    214 #define	TXP_STAT_IPSEC		0x0008
    215 #define	TXP_STAT_IPCKSUMBAD	0x0010
    216 #define	TXP_STAT_TCPCKSUMBAD	0x0020
    217 #define	TXP_STAT_UDPCKSUMBAD	0x0040
    218 #define	TXP_STAT_IPCKSUMGOOD	0x0080
    219 #define	TXP_STAT_TCPCKSUMGOOD	0x0100
    220 #define	TXP_STAT_UDPCKSUMGOOD	0x0200
    221 
    222 struct txp_tx_desc {
    223 	volatile u_int8_t	tx_flags;	/* type/descriptor flags */
    224 	volatile u_int8_t	tx_numdesc;	/* number of descriptors */
    225 	volatile u_int16_t	tx_totlen;	/* total packet length */
    226 	volatile u_int32_t	tx_addrlo;	/* virt addr low word */
    227 	volatile u_int32_t	tx_addrhi;	/* virt addr high word */
    228 	volatile u_int32_t	tx_pflags;	/* processing flags */
    229 };
    230 #define	TX_FLAGS_TYPE_M		0x07		/* type mask */
    231 #define	TX_FLAGS_TYPE_FRAG	0x00		/* type: fragment */
    232 #define	TX_FLAGS_TYPE_DATA	0x01		/* type: data frame */
    233 #define	TX_FLAGS_TYPE_CMD	0x02		/* type: command frame */
    234 #define	TX_FLAGS_TYPE_OPT	0x03		/* type: options */
    235 #define	TX_FLAGS_TYPE_RX	0x04		/* type: command */
    236 #define	TX_FLAGS_TYPE_RESP	0x05		/* type: response */
    237 #define	TX_FLAGS_RESP		0x40		/* response requested */
    238 #define	TX_FLAGS_VALID		0x80		/* valid descriptor */
    239 
    240 #define	TX_PFLAGS_DNAC		0x00000001	/* do not add crc */
    241 #define	TX_PFLAGS_IPCKSUM	0x00000002	/* ip checksum */
    242 #define	TX_PFLAGS_TCPCKSUM	0x00000004	/* tcp checksum */
    243 #define	TX_PFLAGS_TCPSEG	0x00000008	/* tcp segmentation */
    244 #define	TX_PFLAGS_VLAN		0x00000010	/* insert vlan */
    245 #define	TX_PFLAGS_IPSEC		0x00000020	/* perform ipsec */
    246 #define	TX_PFLAGS_PRIO		0x00000040	/* priority field valid */
    247 #define	TX_PFLAGS_UDPCKSUM	0x00000080	/* udp checksum */
    248 #define	TX_PFLAGS_PADFRAME	0x00000100	/* pad frame */
    249 #define	TX_PFLAGS_VLANTAG_M	0x0ffff000	/* vlan tag mask */
    250 #define	TX_PFLAGS_VLANPRI_M	0x00700000	/* vlan priority mask */
    251 #define	TX_PFLAGS_VLANTAG_S	12		/* amount to shift tag */
    252 
    253 struct txp_rx_desc {
    254 	volatile u_int8_t	rx_flags;	/* type/descriptor flags */
    255 	volatile u_int8_t	rx_numdesc;	/* number of descriptors */
    256 	volatile u_int16_t	rx_len;		/* frame length */
    257 	volatile u_int32_t	rx_vaddrlo;	/* virtual address, lo word */
    258 	volatile u_int32_t	rx_vaddrhi;	/* virtual address, hi word */
    259 	volatile u_int32_t	rx_stat;	/* status */
    260 	volatile u_int16_t	rx_filter;	/* filter status */
    261 	volatile u_int16_t	rx_hash;	/* hash status */
    262 	volatile u_int32_t	rx_vlan;	/* vlan tag/priority */
    263 };
    264 
    265 /* txp_rx_desc.rx_flags */
    266 #define	RX_FLAGS_TYPE_M		0x07		/* type mask */
    267 #define	RX_FLAGS_TYPE_FRAG	0x00		/* type: fragment */
    268 #define	RX_FLAGS_TYPE_DATA	0x01		/* type: data frame */
    269 #define	RX_FLAGS_TYPE_CMD	0x02		/* type: command frame */
    270 #define	RX_FLAGS_TYPE_OPT	0x03		/* type: options */
    271 #define	RX_FLAGS_TYPE_RX	0x04		/* type: command */
    272 #define	RX_FLAGS_TYPE_RESP	0x05		/* type: response */
    273 #define	RX_FLAGS_RCV_TYPE_M	0x18		/* rcvtype mask */
    274 #define	RX_FLAGS_RCV_TYPE_RX	0x00		/* rcvtype: receive */
    275 #define	RX_FLAGS_RCV_TYPE_RSP	0x08		/* rcvtype: response */
    276 #define	RX_FLAGS_ERROR		0x40		/* error in packet */
    277 
    278 /* txp_rx_desc.rx_stat (if rx_flags & RX_FLAGS_ERROR bit set) */
    279 #define	RX_ERROR_ADAPTER	0x00000000	/* adapter internal error */
    280 #define	RX_ERROR_FIFO		0x00000001	/* fifo underrun */
    281 #define	RX_ERROR_BADSSD		0x00000002	/* bad ssd */
    282 #define	RX_ERROR_RUNT		0x00000003	/* runt packet */
    283 #define	RX_ERROR_CRC		0x00000004	/* bad crc */
    284 #define	RX_ERROR_OVERSIZE	0x00000005	/* oversized packet */
    285 #define	RX_ERROR_ALIGN		0x00000006	/* alignment error */
    286 #define	RX_ERROR_DRIBBLE	0x00000007	/* dribble bit */
    287 
    288 /* txp_rx_desc.rx_stat (if rx_flags & RX_FLAGS_ERROR not bit set) */
    289 #define	RX_STAT_PROTO_M		0x00000003	/* protocol mask */
    290 #define	RX_STAT_PROTO_UK	0x00000000	/* unknown protocol */
    291 #define	RX_STAT_PROTO_IPX	0x00000001	/* IPX */
    292 #define	RX_STAT_PROTO_IP	0x00000002	/* IP */
    293 #define	RX_STAT_PROTO_RSV	0x00000003	/* reserved */
    294 #define	RX_STAT_VLAN		0x00000004	/* vlan tag (in rxd) */
    295 #define	RX_STAT_IPFRAG		0x00000008	/* fragment, ipsec not done */
    296 #define	RX_STAT_IPSEC		0x00000010	/* ipsec decoded packet */
    297 #define	RX_STAT_IPCKSUMBAD	0x00000020	/* ip checksum failed */
    298 #define	RX_STAT_UDPCKSUMBAD	0x00000040	/* udp checksum failed */
    299 #define	RX_STAT_TCPCKSUMBAD	0x00000080	/* tcp checksum failed */
    300 #define	RX_STAT_IPCKSUMGOOD	0x00000100	/* ip checksum succeeded */
    301 #define	RX_STAT_UDPCKSUMGOOD	0x00000200	/* udp checksum succeeded */
    302 #define	RX_STAT_TCPCKSUMGOOD	0x00000400	/* tcp checksum succeeded */
    303 
    304 
    305 struct txp_rxbuf_desc {
    306 	volatile u_int32_t	rb_paddrlo;
    307 	volatile u_int32_t	rb_paddrhi;
    308 	volatile u_int32_t	rb_vaddrlo;
    309 	volatile u_int32_t	rb_vaddrhi;
    310 };
    311 
    312 /* Extension descriptor */
    313 struct txp_ext_desc {
    314 	volatile u_int32_t	ext_1;
    315 	volatile u_int32_t	ext_2;
    316 	volatile u_int32_t	ext_3;
    317 	volatile u_int32_t	ext_4;
    318 };
    319 
    320 struct txp_cmd_desc {
    321 	volatile u_int8_t	cmd_flags;
    322 	volatile u_int8_t	cmd_numdesc;
    323 	volatile u_int16_t	cmd_id;
    324 	volatile u_int16_t	cmd_seq;
    325 	volatile u_int16_t	cmd_par1;
    326 	volatile u_int32_t	cmd_par2;
    327 	volatile u_int32_t	cmd_par3;
    328 };
    329 #define	CMD_FLAGS_TYPE_M	0x07		/* type mask */
    330 #define	CMD_FLAGS_TYPE_FRAG	0x00		/* type: fragment */
    331 #define	CMD_FLAGS_TYPE_DATA	0x01		/* type: data frame */
    332 #define	CMD_FLAGS_TYPE_CMD	0x02		/* type: command frame */
    333 #define	CMD_FLAGS_TYPE_OPT	0x03		/* type: options */
    334 #define	CMD_FLAGS_TYPE_RX	0x04		/* type: command */
    335 #define	CMD_FLAGS_TYPE_RESP	0x05		/* type: response */
    336 #define	CMD_FLAGS_RESP		0x40		/* response requested */
    337 #define	CMD_FLAGS_VALID		0x80		/* valid descriptor */
    338 
    339 struct txp_rsp_desc {
    340 	volatile u_int8_t	rsp_flags;
    341 	volatile u_int8_t	rsp_numdesc;
    342 	volatile u_int16_t	rsp_id;
    343 	volatile u_int16_t	rsp_seq;
    344 	volatile u_int16_t	rsp_par1;
    345 	volatile u_int32_t	rsp_par2;
    346 	volatile u_int32_t	rsp_par3;
    347 };
    348 #define	RSP_FLAGS_TYPE_M	0x07		/* type mask */
    349 #define	RSP_FLAGS_TYPE_FRAG	0x00		/* type: fragment */
    350 #define	RSP_FLAGS_TYPE_DATA	0x01		/* type: data frame */
    351 #define	RSP_FLAGS_TYPE_CMD	0x02		/* type: command frame */
    352 #define	RSP_FLAGS_TYPE_OPT	0x03		/* type: options */
    353 #define	RSP_FLAGS_TYPE_RX	0x04		/* type: command */
    354 #define	RSP_FLAGS_TYPE_RESP	0x05		/* type: response */
    355 #define	RSP_FLAGS_ERROR		0x40		/* response error */
    356 
    357 struct txp_frag_desc {
    358 	volatile u_int8_t	frag_flags;	/* type/descriptor flags */
    359 	volatile u_int8_t	frag_rsvd1;
    360 	volatile u_int16_t	frag_len;	/* bytes in this fragment */
    361 	volatile u_int32_t	frag_addrlo;	/* phys addr low word */
    362 	volatile u_int32_t	frag_addrhi;	/* phys addr high word */
    363 	volatile u_int32_t	frag_rsvd2;
    364 };
    365 #define	FRAG_FLAGS_TYPE_M	0x07		/* type mask */
    366 #define	FRAG_FLAGS_TYPE_FRAG	0x00		/* type: fragment */
    367 #define	FRAG_FLAGS_TYPE_DATA	0x01		/* type: data frame */
    368 #define	FRAG_FLAGS_TYPE_CMD	0x02		/* type: command frame */
    369 #define	FRAG_FLAGS_TYPE_OPT	0x03		/* type: options */
    370 #define	FRAG_FLAGS_TYPE_RX	0x04		/* type: command */
    371 #define	FRAG_FLAGS_TYPE_RESP	0x05		/* type: response */
    372 #define	FRAG_FLAGS_VALID	0x80		/* valid descriptor */
    373 
    374 struct txp_opt_desc {
    375 	u_int8_t		opt_desctype:3,
    376 				opt_rsvd:1,
    377 				opt_type:4;
    378 
    379 	u_int8_t		opt_num;
    380 	u_int16_t		opt_dep1;
    381 	u_int32_t		opt_dep2;
    382 	u_int32_t		opt_dep3;
    383 	u_int32_t		opt_dep4;
    384 };
    385 
    386 struct txp_ipsec_desc {
    387 	u_int8_t		ipsec_desctpe:3,
    388 				ipsec_rsvd:1,
    389 				ipsec_type:4;
    390 
    391 	u_int8_t		ipsec_num;
    392 	u_int16_t		ipsec_flags;
    393 	u_int16_t		ipsec_ah1;
    394 	u_int16_t		ipsec_esp1;
    395 	u_int16_t		ipsec_ah2;
    396 	u_int16_t		ipsec_esp2;
    397 	u_int32_t		ipsec_rsvd1;
    398 };
    399 
    400 struct txp_tcpseg_desc {
    401 	u_int8_t		tcpseg_desctype:3,
    402 				tcpseg_rsvd:1,
    403 				tcpseg_type:4;
    404 
    405 	u_int8_t		tcpseg_num;
    406 
    407 	u_int16_t		tcpseg_mss:12,
    408 				tcpseg_misc:4;
    409 
    410 	u_int32_t		tcpseg_respaddr;
    411 	u_int32_t		tcpseg_txbytes;
    412 	u_int32_t		tcpseg_lss;
    413 };
    414 
    415 /*
    416  * Transceiver types
    417  */
    418 #define	TXP_XCVR_10_HDX		0
    419 #define	TXP_XCVR_10_FDX		1
    420 #define	TXP_XCVR_100_HDX	2
    421 #define	TXP_XCVR_100_FDX	3
    422 #define	TXP_XCVR_AUTO		4
    423 
    424 #define TXP_MEDIA_CRC		0x0004	/* crc strip disable */
    425 #define	TXP_MEDIA_CD		0x0010	/* collision detection */
    426 #define	TXP_MEDIA_CS		0x0020	/* carrier sense */
    427 #define	TXP_MEDIA_POL		0x0400	/* polarity reversed */
    428 #define	TXP_MEDIA_NOLINK	0x0800	/* 0 = link, 1 = no link */
    429 
    430 /*
    431  * receive filter bits (par1 to TXP_CMD_RX_FILTER_{READ|WRITE}
    432  */
    433 #define	TXP_RXFILT_DIRECT	0x0001	/* directed packets */
    434 #define	TXP_RXFILT_ALLMULTI	0x0002	/* all multicast packets */
    435 #define	TXP_RXFILT_BROADCAST	0x0004	/* broadcast packets */
    436 #define	TXP_RXFILT_PROMISC	0x0008	/* promiscuous mode */
    437 #define	TXP_RXFILT_HASHMULTI	0x0010	/* use multicast filter */
    438 
    439 /* multicast polynomial */
    440 #define	TXP_POLYNOMIAL		0x04c11db7
    441 
    442 /*
    443  * boot record (pointers to rings)
    444  */
    445 struct txp_boot_record {
    446 	volatile u_int32_t	br_hostvar_lo;		/* host ring pointer */
    447 	volatile u_int32_t	br_hostvar_hi;
    448 	volatile u_int32_t	br_txlopri_lo;		/* tx low pri ring */
    449 	volatile u_int32_t	br_txlopri_hi;
    450 	volatile u_int32_t	br_txlopri_siz;
    451 	volatile u_int32_t	br_txhipri_lo;		/* tx high pri ring */
    452 	volatile u_int32_t	br_txhipri_hi;
    453 	volatile u_int32_t	br_txhipri_siz;
    454 	volatile u_int32_t	br_rxlopri_lo;		/* rx low pri ring */
    455 	volatile u_int32_t	br_rxlopri_hi;
    456 	volatile u_int32_t	br_rxlopri_siz;
    457 	volatile u_int32_t	br_rxbuf_lo;		/* rx buffer ring */
    458 	volatile u_int32_t	br_rxbuf_hi;
    459 	volatile u_int32_t	br_rxbuf_siz;
    460 	volatile u_int32_t	br_cmd_lo;		/* command ring */
    461 	volatile u_int32_t	br_cmd_hi;
    462 	volatile u_int32_t	br_cmd_siz;
    463 	volatile u_int32_t	br_resp_lo;		/* response ring */
    464 	volatile u_int32_t	br_resp_hi;
    465 	volatile u_int32_t	br_resp_siz;
    466 	volatile u_int32_t	br_zero_lo;		/* zero word */
    467 	volatile u_int32_t	br_zero_hi;
    468 	volatile u_int32_t	br_rxhipri_lo;		/* rx high pri ring */
    469 	volatile u_int32_t	br_rxhipri_hi;
    470 	volatile u_int32_t	br_rxhipri_siz;
    471 };
    472 
    473 /*
    474  * hostvar structure (shared with typhoon)
    475  */
    476 struct txp_hostvar {
    477 	volatile u_int32_t	hv_rx_hi_read_idx;	/* host->arm */
    478 	volatile u_int32_t	hv_rx_lo_read_idx;	/* host->arm */
    479 	volatile u_int32_t	hv_rx_buf_write_idx;	/* host->arm */
    480 	volatile u_int32_t	hv_resp_read_idx;	/* host->arm */
    481 	volatile u_int32_t	hv_tx_lo_desc_read_idx;	/* arm->host */
    482 	volatile u_int32_t	hv_tx_hi_desc_read_idx;	/* arm->host */
    483 	volatile u_int32_t	hv_rx_lo_write_idx;	/* arm->host */
    484 	volatile u_int32_t	hv_rx_buf_read_idx;	/* arm->host */
    485 	volatile u_int32_t	hv_cmd_read_idx;	/* arm->host */
    486 	volatile u_int32_t	hv_resp_write_idx;	/* arm->host */
    487 	volatile u_int32_t	hv_rx_hi_write_idx;	/* arm->host */
    488 };
    489 
    490 /*
    491  * TYPHOON status register state (in TXP_A2H_0)
    492  */
    493 #define	STAT_ROM_CODE			0x00000001
    494 #define	STAT_ROM_EEPROM_LOAD		0x00000002
    495 #define	STAT_WAITING_FOR_BOOT		0x00000007
    496 #define	STAT_RUNNING			0x00000009
    497 #define	STAT_WAITING_FOR_HOST_REQUEST	0x0000000d
    498 #define	STAT_WAITING_FOR_SEGMENT	0x00000010
    499 #define	STAT_SLEEPING			0x00000011
    500 #define	STAT_HALTED			0x00000014
    501 
    502 #define	TX_ENTRIES			256
    503 #define	RX_ENTRIES			128
    504 #define	RXBUF_ENTRIES			256
    505 #define	CMD_ENTRIES			32
    506 #define	RSP_ENTRIES			32
    507 
    508 #define	OFFLOAD_TCPCKSUM		0x00000002	/* tcp checksum */
    509 #define	OFFLOAD_UDPCKSUM		0x00000004	/* udp checksum */
    510 #define	OFFLOAD_IPCKSUM			0x00000008	/* ip checksum */
    511 #define	OFFLOAD_IPSEC			0x00000010	/* ipsec enable */
    512 #define	OFFLOAD_BCAST			0x00000020	/* broadcast throttle */
    513 #define	OFFLOAD_DHCP			0x00000040	/* dhcp prevention */
    514 #define	OFFLOAD_VLAN			0x00000080	/* vlan enable */
    515 #define	OFFLOAD_FILTER			0x00000100	/* filter enable */
    516 #define	OFFLOAD_TCPSEG			0x00000200	/* tcp segmentation */
    517 #define	OFFLOAD_MASK			0xfffffffe	/* mask off low bit */
    518 
    519 /*
    520  * Macros for converting array indices to offsets within the descriptor
    521  * arrays.  The chip operates on offsets, but it's much easier for us
    522  * to operate on indices.  Assumes descriptor entries are 16 bytes.
    523  */
    524 #define	TXP_IDX2OFFSET(idx)	((idx) << 4)
    525 #define	TXP_OFFSET2IDX(off)	((off) >> 4)
    526 
    527 struct txp_dma_alloc {
    528 	u_int64_t		dma_paddr;
    529 	void *			dma_vaddr;
    530 	bus_dmamap_t		dma_map;
    531 	bus_dma_segment_t	dma_seg;
    532 	int			dma_nseg;
    533 };
    534 
    535 struct txp_cmd_ring {
    536 	struct txp_cmd_desc	*base;
    537 	u_int32_t		lastwrite;
    538 	u_int32_t		size;
    539 };
    540 
    541 struct txp_rsp_ring {
    542 	struct txp_rsp_desc	*base;
    543 	u_int32_t		lastwrite;
    544 	u_int32_t		size;
    545 };
    546 
    547 struct txp_tx_ring {
    548 	struct txp_tx_desc	*r_desc;	/* base address of descs */
    549 	u_int32_t		r_reg;		/* register to activate */
    550 	u_int32_t		r_prod;		/* producer */
    551 	u_int32_t		r_cons;		/* consumer */
    552 	u_int32_t		r_cnt;		/* # descs in use */
    553 	volatile u_int32_t	*r_off;		/* hostvar index pointer */
    554 };
    555 
    556 struct txp_swdesc {
    557 	struct mbuf *		sd_mbuf;
    558 	bus_dmamap_t		sd_map;
    559 };
    560 
    561 struct txp_rx_ring {
    562 	struct txp_rx_desc	*r_desc;	/* base address of descs */
    563 	volatile u_int32_t	*r_roff;	/* hv read offset ptr */
    564 	volatile u_int32_t	*r_woff;	/* hv write offset ptr */
    565 };
    566 
    567 struct txp_softc {
    568 	device_t		sc_dev;		/* base device */
    569 	struct ethercom		sc_arpcom;	/* ethernet common */
    570 	struct txp_hostvar	*sc_hostvar;
    571 	struct txp_boot_record	*sc_boot;
    572 	bus_space_handle_t	sc_bh;		/* bus handle (regs) */
    573 	bus_space_tag_t		sc_bt;		/* bus tag (regs) */
    574 	bus_dma_tag_t		sc_dmat;	/* dma tag */
    575 	struct txp_cmd_ring	sc_cmdring;
    576 	struct txp_rsp_ring	sc_rspring;
    577 	struct txp_swdesc	sc_txd[TX_ENTRIES];
    578 	void *			sc_ih;
    579 	struct callout		sc_tick;
    580 	struct ifmedia		sc_ifmedia;
    581 	struct txp_tx_ring	sc_txhir, sc_txlor;
    582 	struct txp_rxbuf_desc	*sc_rxbufs;
    583 	struct txp_rx_ring	sc_rxhir, sc_rxlor;
    584 	u_int16_t		sc_xcvr;
    585 	u_int16_t		sc_seq;
    586 	struct txp_dma_alloc	sc_boot_dma, sc_host_dma, sc_zero_dma;
    587 	struct txp_dma_alloc	sc_rxhiring_dma, sc_rxloring_dma;
    588 	struct txp_dma_alloc	sc_txhiring_dma, sc_txloring_dma;
    589 	struct txp_dma_alloc	sc_cmdring_dma, sc_rspring_dma;
    590 	struct txp_dma_alloc	sc_rxbufring_dma;
    591 	int			sc_cold;
    592 	u_int32_t		sc_rx_capability, sc_tx_capability;
    593 	int			sc_flags;
    594 #define TXP_USESUBSYSTEM	0x1 /* use PCI subsys reg for detail info */
    595 #define TXP_SERVERVERSION	0x2
    596 #define TXP_FIBER		0x4
    597 };
    598 
    599 #define	TXP_DEVNAME(sc)		((sc)->sc_cold ? "" : device_xname((sc)->sc_dev))
    600 
    601 struct txp_fw_file_header {
    602 	u_int8_t	magicid[8];	/* TYPHOON\0 */
    603 	u_int32_t	version;
    604 	u_int32_t	nsections;
    605 	u_int32_t	addr;
    606 };
    607 
    608 struct txp_fw_section_header {
    609 	u_int32_t	nbytes;
    610 	u_int16_t	cksum;
    611 	u_int16_t	reserved;
    612 	u_int32_t	addr;
    613 };
    614 
    615 #define	TXP_MAX_SEGLEN	0xffff
    616 #define	TXP_MAX_PKTLEN	0x0800
    617 
    618 #define	WRITE_REG(sc,reg,val) \
    619     bus_space_write_4((sc)->sc_bt, (sc)->sc_bh, reg, val)
    620 #define	READ_REG(sc,reg) \
    621     bus_space_read_4((sc)->sc_bt, (sc)->sc_bh, reg)
    622 
    623