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      1 /*	$NetBSD: if_alereg.h,v 1.4 2024/02/09 22:08:35 andvar Exp $	*/
      2 /*	$OpenBSD: if_alereg.h,v 1.2 2011/05/20 08:36:55 kevlo Exp $	*/
      3 
      4 /*-
      5  * Copyright (c) 2008, Pyun YongHyeon <yongari (at) FreeBSD.org>
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice unmodified, this list of conditions, and the following
     13  *    disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     28  * SUCH DAMAGE.
     29  *
     30  * $FreeBSD: src/sys/dev/ale/if_alereg.h,v 1.1 2008/11/12 09:52:06 yongari Exp $
     31  */
     32 
     33 #ifndef	_IF_ALEREG_H
     34 #define	_IF_ALEREG_H
     35 
     36 #define ALE_PCIR_BAR			0x10
     37 
     38 #define	ALE_SPI_CTRL			0x200
     39 #define	SPI_VPD_ENB			0x00002000
     40 
     41 #define	ALE_SPI_ADDR			0x204	/* 16bits */
     42 
     43 #define	ALE_SPI_DATA			0x208
     44 
     45 #define	ALE_SPI_CONFIG			0x20C
     46 
     47 #define	ALE_SPI_OP_PROGRAM		0x210	/* 8bits */
     48 
     49 #define	ALE_SPI_OP_SC_ERASE		0x211	/* 8bits */
     50 
     51 #define	ALE_SPI_OP_CHIP_ERASE		0x212	/* 8bits */
     52 
     53 #define	ALE_SPI_OP_RDID			0x213	/* 8bits */
     54 
     55 #define	ALE_SPI_OP_WREN			0x214	/* 8bits */
     56 
     57 #define	ALE_SPI_OP_RDSR			0x215	/* 8bits */
     58 
     59 #define	ALE_SPI_OP_WRSR			0x216	/* 8bits */
     60 
     61 #define	ALE_SPI_OP_READ			0x217	/* 8bits */
     62 
     63 #define	ALE_TWSI_CTRL			0x218
     64 #define	TWSI_CTRL_SW_LD_START		0x00000800
     65 #define	TWSI_CTRL_HW_LD_START		0x00001000
     66 #define	TWSI_CTRL_LD_EXIST		0x00400000
     67 
     68 #define ALE_DEV_MISC_CTRL		0x21C
     69 
     70 #define	ALE_PCIE_PHYMISC		0x1000
     71 #define	PCIE_PHYMISC_FORCE_RCV_DET	0x00000004
     72 
     73 #define	ALE_MASTER_CFG			0x1400
     74 #define	MASTER_RESET			0x00000001
     75 #define	MASTER_MTIMER_ENB		0x00000002
     76 #define	MASTER_IM_TX_TIMER_ENB		0x00000004
     77 #define	MASTER_MANUAL_INT_ENB		0x00000008
     78 #define	MASTER_IM_RX_TIMER_ENB		0x00000020
     79 #define	MASTER_INT_RDCLR		0x00000040
     80 #define	MASTER_LED_MODE			0x00000200
     81 #define	MASTER_CHIP_REV_MASK		0x00FF0000
     82 #define	MASTER_CHIP_ID_MASK		0xFF000000
     83 #define	MASTER_CHIP_REV_SHIFT		16
     84 #define	MASTER_CHIP_ID_SHIFT		24
     85 
     86 /* Number of ticks per usec for AR81xx. */
     87 #define	ALE_TICK_USECS			2
     88 #define	ALE_USECS(x)			((x) / ALE_TICK_USECS)
     89 
     90 #define	ALE_MANUAL_TIMER		0x1404
     91 
     92 #define	ALE_IM_TIMER			0x1408
     93 #define	IM_TIMER_TX_MASK		0x0000FFFF
     94 #define	IM_TIMER_RX_MASK		0xFFFF0000
     95 #define	IM_TIMER_TX_SHIFT		0
     96 #define	IM_TIMER_RX_SHIFT		16
     97 #define	ALE_IM_TIMER_MIN		0
     98 #define	ALE_IM_TIMER_MAX		130000	/* 130ms */
     99 #define	ALE_IM_RX_TIMER_DEFAULT		30
    100 #define	ALE_IM_TX_TIMER_DEFAULT		1000
    101 
    102 #define	ALE_GPHY_CTRL			0x140C	/* 16bits */
    103 #define	GPHY_CTRL_EXT_RESET		0x0001
    104 #define	GPHY_CTRL_PIPE_MOD		0x0002
    105 #define	GPHY_CTRL_BERT_START		0x0010
    106 #define	GPHY_CTRL_GALE_25M_ENB		0x0020
    107 #define	GPHY_CTRL_LPW_EXIT		0x0040
    108 #define	GPHY_CTRL_PHY_IDDQ		0x0080
    109 #define	GPHY_CTRL_PHY_IDDQ_DIS		0x0100
    110 #define	GPHY_CTRL_PCLK_SEL_DIS		0x0200
    111 #define	GPHY_CTRL_HIB_EN		0x0400
    112 #define	GPHY_CTRL_HIB_PULSE		0x0800
    113 #define	GPHY_CTRL_SEL_ANA_RESET		0x1000
    114 #define	GPHY_CTRL_PHY_PLL_ON		0x2000
    115 #define	GPHY_CTRL_PWDOWN_HW		0x4000
    116 
    117 #define	ALE_INTR_CLR_TIMER		0x140E	/* 16bits */
    118 
    119 #define	ALE_IDLE_STATUS			0x1410
    120 #define	IDLE_STATUS_RXMAC		0x00000001
    121 #define	IDLE_STATUS_TXMAC		0x00000002
    122 #define	IDLE_STATUS_RXQ			0x00000004
    123 #define	IDLE_STATUS_TXQ			0x00000008
    124 #define	IDLE_STATUS_DMARD		0x00000010
    125 #define	IDLE_STATUS_DMAWR		0x00000020
    126 #define	IDLE_STATUS_SMB			0x00000040
    127 #define	IDLE_STATUS_CMB			0x00000080
    128 
    129 #define	ALE_MDIO			0x1414
    130 #define	MDIO_DATA_MASK			0x0000FFFF
    131 #define	MDIO_REG_ADDR_MASK		0x001F0000
    132 #define	MDIO_OP_READ			0x00200000
    133 #define	MDIO_OP_WRITE			0x00000000
    134 #define	MDIO_SUP_PREAMBLE		0x00400000
    135 #define	MDIO_OP_EXECUTE			0x00800000
    136 #define	MDIO_CLK_25_4			0x00000000
    137 #define	MDIO_CLK_25_6			0x02000000
    138 #define	MDIO_CLK_25_8			0x03000000
    139 #define	MDIO_CLK_25_10			0x04000000
    140 #define	MDIO_CLK_25_14			0x05000000
    141 #define	MDIO_CLK_25_20			0x06000000
    142 #define	MDIO_CLK_25_28			0x07000000
    143 #define	MDIO_OP_BUSY			0x08000000
    144 #define	MDIO_DATA_SHIFT			0
    145 #define	MDIO_REG_ADDR_SHIFT		16
    146 
    147 #define	MDIO_REG_ADDR(x)	\
    148 	(((x) << MDIO_REG_ADDR_SHIFT) & MDIO_REG_ADDR_MASK)
    149 /* Default PHY address. */
    150 #define	ALE_PHY_ADDR			0
    151 
    152 #define	ALE_PHY_STATUS			0x1418
    153 #define	PHY_STATUS_100M			0x00020000
    154 
    155 /* Packet memory BIST. */
    156 #define	ALE_BIST0			0x141C
    157 #define	BIST0_ENB			0x00000001
    158 #define	BIST0_SRAM_FAIL			0x00000002
    159 #define	BIST0_FUSE_FLAG			0x00000004
    160 
    161 /* PCIe retry buffer BIST. */
    162 #define	ALE_BIST1			0x1420
    163 #define	BIST1_ENB			0x00000001
    164 #define	BIST1_SRAM_FAIL			0x00000002
    165 #define	BIST1_FUSE_FLAG			0x00000004
    166 
    167 #define	ALE_SERDES_LOCK			0x1424
    168 #define	SERDES_LOCK_DET			0x00000001
    169 #define	SERDES_LOCK_DET_ENB		0x00000002
    170 
    171 #define	ALE_MAC_CFG			0x1480
    172 #define	MAC_CFG_TX_ENB			0x00000001
    173 #define	MAC_CFG_RX_ENB			0x00000002
    174 #define	MAC_CFG_TX_FC			0x00000004
    175 #define	MAC_CFG_RX_FC			0x00000008
    176 #define	MAC_CFG_LOOP			0x00000010
    177 #define	MAC_CFG_FULL_DUPLEX		0x00000020
    178 #define	MAC_CFG_TX_CRC_ENB		0x00000040
    179 #define	MAC_CFG_TX_AUTO_PAD		0x00000080
    180 #define	MAC_CFG_TX_LENCHK		0x00000100
    181 #define	MAC_CFG_RX_JUMBO_ENB		0x00000200
    182 #define	MAC_CFG_PREAMBLE_MASK		0x00003C00
    183 #define	MAC_CFG_VLAN_TAG_STRIP		0x00004000
    184 #define	MAC_CFG_PROMISC			0x00008000
    185 #define	MAC_CFG_TX_PAUSE		0x00010000
    186 #define	MAC_CFG_SCNT			0x00020000
    187 #define	MAC_CFG_SYNC_RST_TX		0x00040000
    188 #define	MAC_CFG_SPEED_MASK		0x00300000
    189 #define	MAC_CFG_SPEED_10_100		0x00100000
    190 #define	MAC_CFG_SPEED_1000		0x00200000
    191 #define	MAC_CFG_DBG_TX_BACKOFF		0x00400000
    192 #define	MAC_CFG_TX_JUMBO_ENB		0x00800000
    193 #define	MAC_CFG_RXCSUM_ENB		0x01000000
    194 #define	MAC_CFG_ALLMULTI		0x02000000
    195 #define	MAC_CFG_BCAST			0x04000000
    196 #define	MAC_CFG_DBG			0x08000000
    197 #define	MAC_CFG_PREAMBLE_SHIFT		10
    198 #define	MAC_CFG_PREAMBLE_DEFAULT	7
    199 
    200 #define	ALE_IPG_IFG_CFG			0x1484
    201 #define	IPG_IFG_IPGT_MASK		0x0000007F
    202 #define	IPG_IFG_MIFG_MASK		0x0000FF00
    203 #define	IPG_IFG_IPG1_MASK		0x007F0000
    204 #define	IPG_IFG_IPG2_MASK		0x7F000000
    205 #define	IPG_IFG_IPGT_SHIFT		0
    206 #define	IPG_IFG_IPGT_DEFAULT		0x60
    207 #define	IPG_IFG_MIFG_SHIFT		8
    208 #define	IPG_IFG_MIFG_DEFAULT		0x50
    209 #define	IPG_IFG_IPG1_SHIFT		16
    210 #define	IPG_IFG_IPG1_DEFAULT		0x40
    211 #define	IPG_IFG_IPG2_SHIFT		24
    212 #define	IPG_IFG_IPG2_DEFAULT		0x60
    213 
    214 /* Station address. */
    215 #define	ALE_PAR0			0x1488
    216 #define	ALE_PAR1			0x148C
    217 
    218 /* 64bit multicast hash register. */
    219 #define	ALE_MAR0			0x1490
    220 #define	ALE_MAR1			0x1494
    221 
    222 /* half-duplex parameter configuration. */
    223 #define	ALE_HDPX_CFG			0x1498
    224 #define	HDPX_CFG_LCOL_MASK		0x000003FF
    225 #define	HDPX_CFG_RETRY_MASK		0x0000F000
    226 #define	HDPX_CFG_EXC_DEF_EN		0x00010000
    227 #define	HDPX_CFG_NO_BACK_C		0x00020000
    228 #define	HDPX_CFG_NO_BACK_P		0x00040000
    229 #define	HDPX_CFG_ABEBE			0x00080000
    230 #define	HDPX_CFG_ABEBT_MASK		0x00F00000
    231 #define	HDPX_CFG_JAMIPG_MASK		0x0F000000
    232 #define	HDPX_CFG_LCOL_SHIFT		0
    233 #define	HDPX_CFG_LCOL_DEFAULT		0x37
    234 #define	HDPX_CFG_RETRY_SHIFT		12
    235 #define	HDPX_CFG_RETRY_DEFAULT		0x0F
    236 #define	HDPX_CFG_ABEBT_SHIFT		20
    237 #define	HDPX_CFG_ABEBT_DEFAULT		0x0A
    238 #define	HDPX_CFG_JAMIPG_SHIFT		24
    239 #define	HDPX_CFG_JAMIPG_DEFAULT		0x07
    240 
    241 #define	ALE_FRAME_SIZE			0x149C
    242 
    243 #define	ALE_WOL_CFG			0x14A0
    244 #define	WOL_CFG_PATTERN			0x00000001
    245 #define	WOL_CFG_PATTERN_ENB		0x00000002
    246 #define	WOL_CFG_MAGIC			0x00000004
    247 #define	WOL_CFG_MAGIC_ENB		0x00000008
    248 #define	WOL_CFG_LINK_CHG		0x00000010
    249 #define	WOL_CFG_LINK_CHG_ENB		0x00000020
    250 #define	WOL_CFG_PATTERN_DET		0x00000100
    251 #define	WOL_CFG_MAGIC_DET		0x00000200
    252 #define	WOL_CFG_LINK_CHG_DET		0x00000400
    253 #define	WOL_CFG_CLK_SWITCH_ENB		0x00008000
    254 #define	WOL_CFG_PATTERN0		0x00010000
    255 #define	WOL_CFG_PATTERN1		0x00020000
    256 #define	WOL_CFG_PATTERN2		0x00040000
    257 #define	WOL_CFG_PATTERN3		0x00080000
    258 #define	WOL_CFG_PATTERN4		0x00100000
    259 #define	WOL_CFG_PATTERN5		0x00200000
    260 #define	WOL_CFG_PATTERN6		0x00400000
    261 
    262 /* WOL pattern length. */
    263 #define	ALE_PATTERN_CFG0		0x14A4
    264 #define	PATTERN_CFG_0_LEN_MASK		0x0000007F
    265 #define	PATTERN_CFG_1_LEN_MASK		0x00007F00
    266 #define	PATTERN_CFG_2_LEN_MASK		0x007F0000
    267 #define	PATTERN_CFG_3_LEN_MASK		0x7F000000
    268 
    269 #define	ALE_PATTERN_CFG1		0x14A8
    270 #define	PATTERN_CFG_4_LEN_MASK		0x0000007F
    271 #define	PATTERN_CFG_5_LEN_MASK		0x00007F00
    272 #define	PATTERN_CFG_6_LEN_MASK		0x007F0000
    273 
    274 /* RSS */
    275 #define	ALE_RSS_KEY0			0x14B0
    276 
    277 #define	ALE_RSS_KEY1			0x14B4
    278 
    279 #define	ALE_RSS_KEY2			0x14B8
    280 
    281 #define	ALE_RSS_KEY3			0x14BC
    282 
    283 #define	ALE_RSS_KEY4			0x14C0
    284 
    285 #define	ALE_RSS_KEY5			0x14C4
    286 
    287 #define	ALE_RSS_KEY6			0x14C8
    288 
    289 #define	ALE_RSS_KEY7			0x14CC
    290 
    291 #define	ALE_RSS_KEY8			0x14D0
    292 
    293 #define	ALE_RSS_KEY9			0x14D4
    294 
    295 #define	ALE_RSS_IDT_TABLE4		0x14E0
    296 
    297 #define	ALE_RSS_IDT_TABLE5		0x14E4
    298 
    299 #define	ALE_RSS_IDT_TABLE6		0x14E8
    300 
    301 #define	ALE_RSS_IDT_TABLE7		0x14EC
    302 
    303 #define	ALE_SRAM_RD_ADDR		0x1500
    304 
    305 #define	ALE_SRAM_RD_LEN			0x1504
    306 
    307 #define	ALE_SRAM_RRD_ADDR		0x1508
    308 
    309 #define	ALE_SRAM_RRD_LEN		0x150C
    310 
    311 #define	ALE_SRAM_TPD_ADDR		0x1510
    312 
    313 #define	ALE_SRAM_TPD_LEN		0x1514
    314 
    315 #define	ALE_SRAM_TRD_ADDR		0x1518
    316 
    317 #define	ALE_SRAM_TRD_LEN		0x151C
    318 
    319 #define	ALE_SRAM_RX_FIFO_ADDR		0x1520
    320 
    321 #define	ALE_SRAM_RX_FIFO_LEN		0x1524
    322 
    323 #define	ALE_SRAM_TX_FIFO_ADDR		0x1528
    324 
    325 #define	ALE_SRAM_TX_FIFO_LEN		0x152C
    326 
    327 #define	ALE_SRAM_TCPH_ADDR		0x1530
    328 #define	SRAM_TCPH_ADDR_MASK		0x00000FFF
    329 #define	SRAM_PATH_ADDR_MASK		0x0FFF0000
    330 #define	SRAM_TCPH_ADDR_SHIFT		0
    331 #define	SRAM_PATH_ADDR_SHIFT		16
    332 
    333 #define	ALE_DMA_BLOCK			0x1534
    334 #define	DMA_BLOCK_LOAD			0x00000001
    335 
    336 #define	ALE_RXF3_ADDR_HI		0x153C
    337 
    338 #define	ALE_TPD_ADDR_HI			0x1540
    339 
    340 #define	ALE_RXF0_PAGE0_ADDR_LO		0x1544
    341 
    342 #define	ALE_RXF0_PAGE1_ADDR_LO		0x1548
    343 
    344 #define	ALE_TPD_ADDR_LO			0x154C
    345 
    346 #define	ALE_RXF1_ADDR_HI		0x1550
    347 
    348 #define	ALE_RXF2_ADDR_HI		0x1554
    349 
    350 #define	ALE_RXF_PAGE_SIZE		0x1558
    351 
    352 #define	ALE_TPD_CNT			0x155C
    353 #define	TPD_CNT_MASK			0x00003FF
    354 #define	TPD_CNT_SHIFT			0
    355 
    356 #define	ALE_RSS_IDT_TABLE0		0x1560
    357 
    358 #define	ALE_RSS_IDT_TABLE1		0x1564
    359 
    360 #define	ALE_RSS_IDT_TABLE2		0x1568
    361 
    362 #define	ALE_RSS_IDT_TABLE3		0x156C
    363 
    364 #define	ALE_RSS_HASH_VALUE		0x1570
    365 
    366 #define	ALE_RSS_HASH_FLAG		0x1574
    367 
    368 #define	ALE_RSS_CPU			0x157C
    369 
    370 #define	ALE_TXQ_CFG			0x1580
    371 #define	TXQ_CFG_TPD_BURST_MASK		0x0000000F
    372 #define	TXQ_CFG_ENB			0x00000020
    373 #define	TXQ_CFG_ENHANCED_MODE		0x00000040
    374 #define	TXQ_CFG_TX_FIFO_BURST_MASK	0xFFFF0000
    375 #define	TXQ_CFG_TPD_BURST_SHIFT		0
    376 #define	TXQ_CFG_TPD_BURST_DEFAULT	4
    377 #define	TXQ_CFG_TX_FIFO_BURST_SHIFT	16
    378 #define	TXQ_CFG_TX_FIFO_BURST_DEFAULT	256
    379 
    380 #define	ALE_TX_JUMBO_THRESH		0x1584
    381 #define	TX_JUMBO_THRESH_MASK		0x000007FF
    382 #define	TX_JUMBO_THRESH_SHIFT		0
    383 #define	TX_JUMBO_THRESH_UNIT		8
    384 #define	TX_JUMBO_THRESH_UNIT_SHIFT	3
    385 
    386 #define	ALE_RXQ_CFG			0x15A0
    387 #define	RXQ_CFG_ALIGN_32		0x00000000
    388 #define	RXQ_CFG_ALIGN_64		0x00000001
    389 #define	RXQ_CFG_ALIGN_128		0x00000002
    390 #define	RXQ_CFG_ALIGN_256		0x00000003
    391 #define	RXQ_CFG_QUEUE1_ENB		0x00000010
    392 #define	RXQ_CFG_QUEUE2_ENB		0x00000020
    393 #define	RXQ_CFG_QUEUE3_ENB		0x00000040
    394 #define	RXQ_CFG_IPV6_CSUM_VERIFY	0x00000080
    395 #define	RXQ_CFG_RSS_HASH_TBL_LEN_MASK	0x0000FF00
    396 #define	RXQ_CFG_RSS_HASH_IPV4		0x00010000
    397 #define	RXQ_CFG_RSS_HASH_IPV4_TCP	0x00020000
    398 #define	RXQ_CFG_RSS_HASH_IPV6		0x00040000
    399 #define	RXQ_CFG_RSS_HASH_IPV6_TCP	0x00080000
    400 #define	RXQ_CFG_RSS_MODE_DIS		0x00000000
    401 #define	RXQ_CFG_RSS_MODE_SQSINT		0x04000000
    402 #define	RXQ_CFG_RSS_MODE_MQUESINT	0x08000000
    403 #define	RXQ_CFG_RSS_MODE_MQUEMINT	0x0C000000
    404 #define	RXQ_CFG_NIP_QUEUE_SEL_TBL	0x10000000
    405 #define	RXQ_CFG_RSS_HASH_ENB		0x20000000
    406 #define	RXQ_CFG_CUT_THROUGH_ENB		0x40000000
    407 #define	RXQ_CFG_ENB			0x80000000
    408 #define	RXQ_CFG_RSS_HASH_TBL_LEN_SHIFT	8
    409 
    410 #define	ALE_RX_JUMBO_THRESH		0x15A4	/* 16bits */
    411 #define	RX_JUMBO_THRESH_MASK		0x07FF
    412 #define	RX_JUMBO_LKAH_MASK		0x7800
    413 #define	RX_JUMBO_THRESH_MASK_SHIFT	0
    414 #define	RX_JUMBO_THRESH_UNIT		8
    415 #define	RX_JUMBO_THRESH_UNIT_SHIFT	3
    416 #define	RX_JUMBO_LKAH_SHIFT		11
    417 #define	RX_JUMBO_LKAH_DEFAULT		1
    418 
    419 #define	ALE_RX_FIFO_PAUSE_THRESH	0x15A8
    420 #define	RX_FIFO_PAUSE_THRESH_LO_MASK	0x00000FFF
    421 #define	RX_FIFO_PAUSE_THRESH_HI_MASK	0x0FFF0000
    422 #define	RX_FIFO_PAUSE_THRESH_LO_SHIFT	0
    423 #define	RX_FIFO_PAUSE_THRESH_HI_SHIFT	16
    424 
    425 #define	ALE_CMB_RXF1			0x15B4
    426 
    427 #define	ALE_CMB_RXF2			0x15B8
    428 
    429 #define	ALE_CMB_RXF3			0x15BC
    430 
    431 #define	ALE_DMA_CFG			0x15C0
    432 #define	DMA_CFG_IN_ORDER		0x00000001
    433 #define	DMA_CFG_ENH_ORDER		0x00000002
    434 #define	DMA_CFG_OUT_ORDER		0x00000004
    435 #define	DMA_CFG_RCB_64			0x00000000
    436 #define	DMA_CFG_RCB_128			0x00000008
    437 #define	DMA_CFG_RD_BURST_128		0x00000000
    438 #define	DMA_CFG_RD_BURST_256		0x00000010
    439 #define	DMA_CFG_RD_BURST_512		0x00000020
    440 #define	DMA_CFG_RD_BURST_1024		0x00000030
    441 #define	DMA_CFG_RD_BURST_2048		0x00000040
    442 #define	DMA_CFG_RD_BURST_4096		0x00000050
    443 #define	DMA_CFG_WR_BURST_128		0x00000000
    444 #define	DMA_CFG_WR_BURST_256		0x00000080
    445 #define	DMA_CFG_WR_BURST_512		0x00000100
    446 #define	DMA_CFG_WR_BURST_1024		0x00000180
    447 #define	DMA_CFG_WR_BURST_2048		0x00000200
    448 #define	DMA_CFG_WR_BURST_4096		0x00000280
    449 #define	DMA_CFG_RD_REQ_PRI		0x00000400
    450 #define	DMA_CFG_RD_DELAY_CNT_MASK	0x0000F800
    451 #define	DMA_CFG_WR_DELAY_CNT_MASK	0x000F0000
    452 #define	DMA_CFG_TXCMB_ENB		0x00100000
    453 #define	DMA_CFG_RXCMB_ENB		0x00200000
    454 #define	DMA_CFG_RD_BURST_MASK		0x07
    455 #define	DMA_CFG_RD_BURST_SHIFT		4
    456 #define	DMA_CFG_WR_BURST_MASK		0x07
    457 #define	DMA_CFG_WR_BURST_SHIFT		7
    458 #define	DMA_CFG_RD_DELAY_CNT_SHIFT	11
    459 #define	DMA_CFG_WR_DELAY_CNT_SHIFT	16
    460 #define	DMA_CFG_RD_DELAY_CNT_DEFAULT	15
    461 #define	DMA_CFG_WR_DELAY_CNT_DEFAULT	4
    462 
    463 #define	ALE_SMB_STAT_TIMER		0x15C4
    464 
    465 #define	ALE_INT_TRIG_THRESH		0x15C8
    466 #define	INT_TRIG_TX_THRESH_MASK		0x0000FFFF
    467 #define	INT_TRIG_RX_THRESH_MASK		0xFFFF0000
    468 #define	INT_TRIG_TX_THRESH_SHIFT	0
    469 #define	INT_TRIG_RX_THRESH_SHIFT	16
    470 
    471 #define	ALE_INT_TRIG_TIMER		0x15CC
    472 #define	INT_TRIG_TX_TIMER_MASK		0x0000FFFF
    473 #define	INT_TRIG_RX_TIMER_MASK		0x0000FFFF
    474 #define	INT_TRIG_TX_TIMER_SHIFT		0
    475 #define	INT_TRIG_RX_TIMER_SHIFT		16
    476 
    477 #define	ALE_RXF1_PAGE0_ADDR_LO		0x15D0
    478 
    479 #define	ALE_RXF1_PAGE1_ADDR_LO		0x15D4
    480 
    481 #define	ALE_RXF2_PAGE0_ADDR_LO		0x15D8
    482 
    483 #define	ALE_RXF2_PAGE1_ADDR_LO		0x15DC
    484 
    485 #define	ALE_RXF3_PAGE0_ADDR_LO		0x15E0
    486 
    487 #define	ALE_RXF3_PAGE1_ADDR_LO		0x15E4
    488 
    489 #define	ALE_MBOX_TPD_PROD_IDX		0x15F0
    490 
    491 #define	ALE_RXF0_PAGE0			0x15F4
    492 
    493 #define	ALE_RXF0_PAGE1			0x15F5
    494 
    495 #define	ALE_RXF1_PAGE0			0x15F6
    496 
    497 #define	ALE_RXF1_PAGE1			0x15F7
    498 
    499 #define	ALE_RXF2_PAGE0			0x15F8
    500 
    501 #define	ALE_RXF2_PAGE1			0x15F9
    502 
    503 #define	ALE_RXF3_PAGE0			0x15FA
    504 
    505 #define	ALE_RXF3_PAGE1			0x15FB
    506 
    507 #define	RXF_VALID			0x01
    508 
    509 #define	ALE_INTR_STATUS			0x1600
    510 #define	INTR_SMB			0x00000001
    511 #define	INTR_TIMER			0x00000002
    512 #define	INTR_MANUAL_TIMER		0x00000004
    513 #define	INTR_RX_FIFO_OFLOW		0x00000008
    514 #define	INTR_RXF0_OFLOW			0x00000010
    515 #define	INTR_RXF1_OFLOW			0x00000020
    516 #define	INTR_RXF2_OFLOW			0x00000040
    517 #define	INTR_RXF3_OFLOW			0x00000080
    518 #define	INTR_TX_FIFO_UNDERRUN		0x00000100
    519 #define	INTR_RX0_PAGE_FULL		0x00000200
    520 #define	INTR_DMA_RD_TO_RST		0x00000400
    521 #define	INTR_DMA_WR_TO_RST		0x00000800
    522 #define	INTR_GPHY			0x00001000
    523 #define	INTR_TX_CREDIT			0x00002000
    524 #define	INTR_GPHY_LOW_PW		0x00004000
    525 #define	INTR_RX_PKT			0x00010000
    526 #define	INTR_TX_PKT			0x00020000
    527 #define	INTR_TX_DMA			0x00040000
    528 #define	INTR_RX_PKT1			0x00080000
    529 #define	INTR_RX_PKT2			0x00100000
    530 #define	INTR_RX_PKT3			0x00200000
    531 #define	INTR_MAC_RX			0x00400000
    532 #define	INTR_MAC_TX			0x00800000
    533 #define	INTR_UNDERRUN			0x01000000
    534 #define	INTR_FRAME_ERROR		0x02000000
    535 #define	INTR_FRAME_OK			0x04000000
    536 #define	INTR_CSUM_ERROR			0x08000000
    537 #define	INTR_PHY_LINK_DOWN		0x10000000
    538 #define	INTR_DIS_INT			0x80000000
    539 
    540 /* Interrupt Mask Register */
    541 #define	ALE_INTR_MASK			0x1604
    542 
    543 #define	ALE_INTRS						\
    544 	(INTR_DMA_RD_TO_RST | INTR_DMA_WR_TO_RST |		\
    545 	INTR_RX_PKT | INTR_TX_PKT | INTR_RX_FIFO_OFLOW |	\
    546 	INTR_TX_FIFO_UNDERRUN)
    547 
    548 /*
    549  * AR81xx requires register access to get MAC statistics
    550  * and the format of statistics seems to be the same of L1 .
    551  */
    552 #define	ALE_RX_MIB_BASE			0x1700
    553 
    554 #define	ALE_TX_MIB_BASE			0x1760
    555 
    556 /* Statistics counters collected by the MAC. */
    557 struct smb {
    558 	/* Rx stats. */
    559 	uint32_t rx_frames;
    560 	uint32_t rx_bcast_frames;
    561 	uint32_t rx_mcast_frames;
    562 	uint32_t rx_pause_frames;
    563 	uint32_t rx_control_frames;
    564 	uint32_t rx_crcerrs;
    565 	uint32_t rx_lenerrs;
    566 	uint32_t rx_bytes;
    567 	uint32_t rx_runts;
    568 	uint32_t rx_fragments;
    569 	uint32_t rx_pkts_64;
    570 	uint32_t rx_pkts_65_127;
    571 	uint32_t rx_pkts_128_255;
    572 	uint32_t rx_pkts_256_511;
    573 	uint32_t rx_pkts_512_1023;
    574 	uint32_t rx_pkts_1024_1518;
    575 	uint32_t rx_pkts_1519_max;
    576 	uint32_t rx_pkts_truncated;
    577 	uint32_t rx_fifo_oflows;
    578 	uint32_t rx_rrs_errs;
    579 	uint32_t rx_alignerrs;
    580 	uint32_t rx_bcast_bytes;
    581 	uint32_t rx_mcast_bytes;
    582 	uint32_t rx_pkts_filtered;
    583 	/* Tx stats. */
    584 	uint32_t tx_frames;
    585 	uint32_t tx_bcast_frames;
    586 	uint32_t tx_mcast_frames;
    587 	uint32_t tx_pause_frames;
    588 	uint32_t tx_excess_defer;
    589 	uint32_t tx_control_frames;
    590 	uint32_t tx_deferred;
    591 	uint32_t tx_bytes;
    592 	uint32_t tx_pkts_64;
    593 	uint32_t tx_pkts_65_127;
    594 	uint32_t tx_pkts_128_255;
    595 	uint32_t tx_pkts_256_511;
    596 	uint32_t tx_pkts_512_1023;
    597 	uint32_t tx_pkts_1024_1518;
    598 	uint32_t tx_pkts_1519_max;
    599 	uint32_t tx_single_colls;
    600 	uint32_t tx_multi_colls;
    601 	uint32_t tx_late_colls;
    602 	uint32_t tx_excess_colls;
    603 	uint32_t tx_abort;
    604 	uint32_t tx_underrun;
    605 	uint32_t tx_desc_underrun;
    606 	uint32_t tx_lenerrs;
    607 	uint32_t tx_pkts_truncated;
    608 	uint32_t tx_bcast_bytes;
    609 	uint32_t tx_mcast_bytes;
    610 } __packed;
    611 
    612 #define	ALE_HOST_RXF0_PAGEOFF		0x1800
    613 
    614 #define	ALE_TPD_CONS_IDX		0x1804
    615 
    616 #define	ALE_HOST_RXF1_PAGEOFF		0x1808
    617 
    618 #define	ALE_HOST_RXF2_PAGEOFF		0x180C
    619 
    620 #define	ALE_HOST_RXF3_PAGEOFF		0x1810
    621 
    622 #define	ALE_RXF0_CMB0_ADDR_LO		0x1820
    623 
    624 #define	ALE_RXF0_CMB1_ADDR_LO		0x1824
    625 
    626 #define	ALE_RXF1_CMB0_ADDR_LO		0x1828
    627 
    628 #define	ALE_RXF1_CMB1_ADDR_LO		0x182C
    629 
    630 #define	ALE_RXF2_CMB0_ADDR_LO		0x1830
    631 
    632 #define	ALE_RXF2_CMB1_ADDR_LO		0x1834
    633 
    634 #define	ALE_RXF3_CMB0_ADDR_LO		0x1838
    635 
    636 #define	ALE_RXF3_CMB1_ADDR_LO		0x183C
    637 
    638 #define	ALE_TX_CMB_ADDR_LO		0x1840
    639 
    640 #define	ALE_SMB_ADDR_LO			0x1844
    641 
    642 /*
    643  * RRS(receive return status) structure.
    644  *
    645  * Note:
    646  * Atheros AR81xx does not support descriptor based DMA on Rx
    647  * instead it just prepends a Rx status structure prior to a
    648  * received frame which also resides on the same Rx buffer.
    649  * This means driver should copy an entire frame from the
    650  * buffer to new mbuf chain which in turn greatly increases CPU
    651  * cycles and effectively nullify the advantage of DMA
    652  * operation of controller. So you should have fast CPU to cope
    653  * with the copy operation. Implementing flow-controls may help
    654  * a lot to minimize Rx FIFO overflows but it's not available
    655  * yet on FreeBSD and hardware doesn't seem to support
    656  * fine-grained Tx/Rx flow controls.
    657  */
    658 struct rx_rs {
    659 	uint32_t	seqno;
    660 #define	ALE_RD_SEQNO_MASK		0x0000FFFF
    661 #define	ALE_RD_HASH_MASK		0xFFFF0000
    662 #define	ALE_RD_SEQNO_SHIFT		0
    663 #define	ALE_RD_HASH_SHIFT		16
    664 #define	ALE_RX_SEQNO(x)		\
    665 	(((x) & ALE_RD_SEQNO_MASK) >> ALE_RD_SEQNO_SHIFT)
    666 	uint32_t	length;
    667 #define	ALE_RD_CSUM_MASK		0x0000FFFF
    668 #define	ALE_RD_LEN_MASK			0x3FFF0000
    669 #define	ALE_RD_CPU_MASK			0xC0000000
    670 #define	ALE_RD_CSUM_SHIFT		0
    671 #define	ALE_RD_LEN_SHIFT		16
    672 #define	ALE_RD_CPU_SHIFT		30
    673 #define	ALE_RX_CSUM(x)		\
    674 	(((x) & ALE_RD_CSUM_MASK) >> ALE_RD_CSUM_SHIFT)
    675 #define	ALE_RX_BYTES(x)		\
    676 	(((x) & ALE_RD_LEN_MASK) >> ALE_RD_LEN_SHIFT)
    677 #define	ALE_RX_CPU(x)		\
    678 	(((x) & ALE_RD_CPU_MASK) >> ALE_RD_CPU_SHIFT)
    679 	uint32_t	flags;
    680 #define	ALE_RD_RSS_IPV4			0x00000001
    681 #define	ALE_RD_RSS_IPV4_TCP		0x00000002
    682 #define	ALE_RD_RSS_IPV6			0x00000004
    683 #define	ALE_RD_RSS_IPV6_TCP		0x00000008
    684 #define	ALE_RD_IPV6			0x00000010
    685 #define	ALE_RD_IPV4_FRAG		0x00000020
    686 #define	ALE_RD_IPV4_DF			0x00000040
    687 #define	ALE_RD_802_3			0x00000080
    688 #define	ALE_RD_VLAN			0x00000100
    689 #define	ALE_RD_ERROR			0x00000200
    690 #define	ALE_RD_IPV4			0x00000400
    691 #define	ALE_RD_UDP			0x00000800
    692 #define	ALE_RD_TCP			0x00001000
    693 #define	ALE_RD_BCAST			0x00002000
    694 #define	ALE_RD_MCAST			0x00004000
    695 #define	ALE_RD_PAUSE			0x00008000
    696 #define	ALE_RD_CRC			0x00010000
    697 #define	ALE_RD_CODE			0x00020000
    698 #define	ALE_RD_DRIBBLE			0x00040000
    699 #define	ALE_RD_RUNT			0x00080000
    700 #define	ALE_RD_OFLOW			0x00100000
    701 #define	ALE_RD_TRUNC			0x00200000
    702 #define	ALE_RD_IPCSUM_NOK		0x00400000
    703 #define	ALE_RD_TCP_UDPCSUM_NOK		0x00800000
    704 #define	ALE_RD_LENGTH_NOK		0x01000000
    705 #define	ALE_RD_DES_ADDR_FILTERED	0x02000000
    706 	uint32_t vtags;
    707 #define	ALE_RD_HASH_HI_MASK		0x0000FFFF
    708 #define	ALE_RD_HASH_HI_SHIFT		0
    709 #define	ALE_RD_VLAN_MASK		0xFFFF0000
    710 #define	ALE_RD_VLAN_SHIFT		16
    711 #define	ALE_RX_VLAN(x)		\
    712 	(((x) & ALE_RD_VLAN_MASK) >> ALE_RD_VLAN_SHIFT)
    713 #define	ALE_RX_VLAN_TAG(x)	\
    714 	(((x) >> 4) | (((x) & 7) << 13) | (((x) & 8) << 9))
    715 } __packed;
    716 
    717 /* Tx descriptor. */
    718 struct tx_desc {
    719 	uint64_t addr;
    720 	uint32_t len;
    721 #define	ALE_TD_VLAN_MASK		0xFFFF0000
    722 #define	ALE_TD_PKT_INT			0x00008000
    723 #define	ALE_TD_DMA_INT			0x00004000
    724 #define	ALE_TD_BUFLEN_MASK		0x00003FFF
    725 #define	ALE_TD_VLAN_SHIFT		16
    726 #define	ALE_TX_VLAN_TAG(x)	\
    727 	(((x) << 4) | ((x) >> 13) | (((x) >> 9) & 8))
    728 #define	ALE_TD_BUFLEN_SHIFT		0
    729 #define	ALE_TX_BYTES(x)		\
    730 	(((x) << ALE_TD_BUFLEN_SHIFT) & ALE_TD_BUFLEN_MASK)
    731 	uint32_t flags;
    732 #define	ALE_TD_MSS			0xFFF80000
    733 #define	ALE_TD_TSO_HDR			0x00040000
    734 #define	ALE_TD_TCPHDR_LEN		0x0003C000
    735 #define	ALE_TD_IPHDR_LEN		0x00003C00
    736 #define	ALE_TD_IPV6HDR_LEN2		0x00003C00
    737 #define	ALE_TD_LLC_SNAP			0x00000200
    738 #define	ALE_TD_VLAN_TAGGED		0x00000100
    739 #define	ALE_TD_UDPCSUM			0x00000080
    740 #define	ALE_TD_TCPCSUM			0x00000040
    741 #define	ALE_TD_IPCSUM			0x00000020
    742 #define	ALE_TD_IPV6HDR_LEN1		0x000000E0
    743 #define	ALE_TD_TSO			0x00000010
    744 #define	ALE_TD_CXSUM			0x00000008
    745 #define	ALE_TD_INSERT_VLAN_TAG		0x00000004
    746 #define	ALE_TD_IPV6			0x00000002
    747 #define	ALE_TD_EOP			0x00000001
    748 
    749 #define	ALE_TD_CSUM_PLOADOFFSET		0x00FF0000
    750 #define	ALE_TD_CSUM_XSUMOFFSET		0xFF000000
    751 #define	ALE_TD_CSUM_XSUMOFFSET_SHIFT	24
    752 #define	ALE_TD_CSUM_PLOADOFFSET_SHIFT	16
    753 #define	ALE_TD_MSS_SHIFT		19
    754 #define	ALE_TD_TCPHDR_LEN_SHIFT		14
    755 #define	ALE_TD_IPHDR_LEN_SHIFT		10
    756 } __packed;
    757 
    758 #define	ALE_TX_RING_CNT		256	/* Should be multiple of 4. */
    759 #define	ALE_TX_RING_CNT_MIN	32
    760 #define	ALE_TX_RING_CNT_MAX	1020
    761 #define	ALE_TX_RING_ALIGN	8
    762 #define	ALE_RX_PAGE_ALIGN	32
    763 #define	ALE_RX_PAGES		2
    764 #define	ALE_CMB_ALIGN		32
    765 
    766 #define	ALE_TSO_MAXSEGSIZE	4096
    767 #define	ALE_TSO_MAXSIZE		(65535 + sizeof(struct ether_vlan_header))
    768 #define	ALE_MAXTXSEGS		32
    769 
    770 #define	ALE_ADDR_LO(x)		((uint64_t) (x) & 0xFFFFFFFF)
    771 #define	ALE_ADDR_HI(x)		((uint64_t) (x) >> 32)
    772 
    773 /* Water mark to kick reclaiming Tx buffers. */
    774 #define	ALE_TX_DESC_HIWAT	(ALE_TX_RING_CNT - ((ALE_TX_RING_CNT * 4) / 10))
    775 
    776 #define	ALE_MSI_MESSAGES	1
    777 #define	ALE_MSIX_MESSAGES	1
    778 
    779 /*
    780  * TODO : Should get real jumbo MTU size.
    781  * The hardware seems to have trouble in dealing with large
    782  * frame length. If you encounter instability issue, use
    783  * lower MTU size.
    784  */
    785 #define	ALE_JUMBO_FRAMELEN	8132
    786 #define	ALE_JUMBO_MTU		\
    787 	(ALE_JUMBO_FRAMELEN - sizeof(struct ether_vlan_header) - ETHER_CRC_LEN)
    788 #define	ALE_MAX_FRAMELEN	(ETHER_MAX_LEN + ETHER_VLAN_ENCAP_LEN)
    789 
    790 #define	ALE_DESC_INC(x, y)	((x) = ((x) + 1) % (y))
    791 
    792 struct ale_txdesc {
    793 	struct mbuf		*tx_m;
    794 	bus_dmamap_t		tx_dmamap;
    795 };
    796 
    797 struct ale_rx_page {
    798 	bus_dmamap_t		page_map;
    799 	bus_dma_segment_t	page_seg;
    800 	uint8_t			*page_addr;
    801 	bus_addr_t		page_paddr;
    802 	bus_dmamap_t		cmb_map;
    803 	bus_dma_segment_t	cmb_seg;
    804 	uint32_t		*cmb_addr;
    805 	bus_addr_t		cmb_paddr;
    806 	uint32_t		cons;
    807 };
    808 
    809 struct ale_chain_data{
    810 	struct ale_txdesc	ale_txdesc[ALE_TX_RING_CNT];
    811 	bus_dmamap_t		ale_tx_ring_map;
    812 	bus_dma_segment_t	ale_tx_ring_seg;
    813 	bus_dmamap_t		ale_rx_mblock_map[ALE_RX_PAGES];
    814 	bus_dma_segment_t	ale_rx_mblock_seg[ALE_RX_PAGES];
    815 	struct tx_desc		*ale_tx_ring;
    816 	bus_addr_t		ale_tx_ring_paddr;
    817 	uint32_t		*ale_tx_cmb;
    818 	bus_addr_t		ale_tx_cmb_paddr;
    819 	bus_dmamap_t		ale_tx_cmb_map;
    820 	bus_dma_segment_t	ale_tx_cmb_seg;
    821 
    822 	uint32_t		ale_tx_prod;
    823 	uint32_t		ale_tx_cons;
    824 	int			ale_tx_cnt;
    825 	struct ale_rx_page	ale_rx_page[ALE_RX_PAGES];
    826 	int			ale_rx_curp;
    827 	uint16_t		ale_rx_seqno;
    828 };
    829 
    830 #define	ALE_TX_RING_SZ		\
    831 	(sizeof(struct tx_desc) * ALE_TX_RING_CNT)
    832 #define	ALE_RX_PAGE_SZ_MIN	(8 * 1024)
    833 #define	ALE_RX_PAGE_SZ_MAX	(1024 * 1024)
    834 #define	ALE_RX_FRAMES_PAGE	128
    835 #define	ALE_RX_PAGE_SZ		\
    836 	(roundup(ALE_MAX_FRAMELEN, ALE_RX_PAGE_ALIGN) * ALE_RX_FRAMES_PAGE)
    837 #define	ALE_TX_CMB_SZ		(sizeof(uint32_t))
    838 #define	ALE_RX_CMB_SZ		(sizeof(uint32_t))
    839 
    840 #define	ALE_PROC_MIN		(ALE_RX_FRAMES_PAGE / 4)
    841 #define	ALE_PROC_MAX		\
    842 	((ALE_RX_PAGE_SZ * ALE_RX_PAGES) / ETHER_MAX_LEN)
    843 #define	ALE_PROC_DEFAULT	(ALE_PROC_MAX / 4)
    844 
    845 struct ale_hw_stats {
    846 	/* Rx stats. */
    847 	uint32_t rx_frames;
    848 	uint32_t rx_bcast_frames;
    849 	uint32_t rx_mcast_frames;
    850 	uint32_t rx_pause_frames;
    851 	uint32_t rx_control_frames;
    852 	uint32_t rx_crcerrs;
    853 	uint32_t rx_lenerrs;
    854 	uint64_t rx_bytes;
    855 	uint32_t rx_runts;
    856 	uint32_t rx_fragments;
    857 	uint32_t rx_pkts_64;
    858 	uint32_t rx_pkts_65_127;
    859 	uint32_t rx_pkts_128_255;
    860 	uint32_t rx_pkts_256_511;
    861 	uint32_t rx_pkts_512_1023;
    862 	uint32_t rx_pkts_1024_1518;
    863 	uint32_t rx_pkts_1519_max;
    864 	uint32_t rx_pkts_truncated;
    865 	uint32_t rx_fifo_oflows;
    866 	uint32_t rx_rrs_errs;
    867 	uint32_t rx_alignerrs;
    868 	uint64_t rx_bcast_bytes;
    869 	uint64_t rx_mcast_bytes;
    870 	uint32_t rx_pkts_filtered;
    871 	/* Tx stats. */
    872 	uint32_t tx_frames;
    873 	uint32_t tx_bcast_frames;
    874 	uint32_t tx_mcast_frames;
    875 	uint32_t tx_pause_frames;
    876 	uint32_t tx_excess_defer;
    877 	uint32_t tx_control_frames;
    878 	uint32_t tx_deferred;
    879 	uint64_t tx_bytes;
    880 	uint32_t tx_pkts_64;
    881 	uint32_t tx_pkts_65_127;
    882 	uint32_t tx_pkts_128_255;
    883 	uint32_t tx_pkts_256_511;
    884 	uint32_t tx_pkts_512_1023;
    885 	uint32_t tx_pkts_1024_1518;
    886 	uint32_t tx_pkts_1519_max;
    887 	uint32_t tx_single_colls;
    888 	uint32_t tx_multi_colls;
    889 	uint32_t tx_late_colls;
    890 	uint32_t tx_excess_colls;
    891 	uint32_t tx_abort;
    892 	uint32_t tx_underrun;
    893 	uint32_t tx_desc_underrun;
    894 	uint32_t tx_lenerrs;
    895 	uint32_t tx_pkts_truncated;
    896 	uint64_t tx_bcast_bytes;
    897 	uint64_t tx_mcast_bytes;
    898 	/* Misc. */
    899 	uint32_t reset_brk_seq;
    900 };
    901 
    902 /*
    903  * Software state per device.
    904  */
    905 struct ale_softc {
    906 	device_t		sc_dev;
    907 	struct ethercom		sc_ec;
    908 
    909 	bus_space_tag_t		sc_mem_bt;
    910 	bus_space_handle_t	sc_mem_bh;
    911 	bus_size_t		sc_mem_size;
    912 	bus_dma_tag_t		sc_dmat;
    913 	pci_chipset_tag_t	sc_pct;
    914 	pcitag_t		sc_pcitag;
    915 
    916 	void			*sc_irq_handle;
    917 
    918 	struct mii_data		sc_miibus;
    919 	int			ale_phyaddr;
    920 
    921 	int			ale_rev;
    922 	int			ale_chip_rev;
    923 	uint8_t			ale_eaddr[ETHER_ADDR_LEN];
    924 	uint32_t		ale_dma_rd_burst;
    925 	uint32_t		ale_dma_wr_burst;
    926 	int			ale_flags;
    927 #define	ALE_FLAG_PCIE		0x0001
    928 #define	ALE_FLAG_PCIX		0x0002
    929 #define	ALE_FLAG_MSI		0x0004
    930 #define	ALE_FLAG_MSIX		0x0008
    931 #define	ALE_FLAG_PMCAP		0x0010
    932 #define	ALE_FLAG_FASTETHER	0x0020
    933 #define	ALE_FLAG_JUMBO		0x0040
    934 #define	ALE_FLAG_RXCSUM_BUG	0x0080
    935 #define	ALE_FLAG_TXCSUM_BUG	0x0100
    936 #define	ALE_FLAG_TXCMB_BUG	0x0200
    937 #define	ALE_FLAG_DETACH		0x4000
    938 #define	ALE_FLAG_LINK		0x8000
    939 
    940 	callout_t		sc_tick_ch;
    941 	struct ale_hw_stats	ale_stats;
    942 	struct ale_chain_data	ale_cdata;
    943 	int			ale_int_rx_mod;
    944 	int			ale_int_tx_mod;
    945 	int			ale_max_frame_size;
    946 	int			ale_pagesize;
    947 
    948 };
    949 
    950 /* Register access macros. */
    951 #define	CSR_WRITE_4(_sc, reg, val)	\
    952 	bus_space_write_4((sc)->sc_mem_bt, (sc)->sc_mem_bh, (reg), (val))
    953 #define	CSR_WRITE_2(_sc, reg, val)	\
    954 	bus_space_write_2((sc)->sc_mem_bt, (sc)->sc_mem_bh, (reg), (val))
    955 #define	CSR_WRITE_1(_sc, reg, val)	\
    956 	bus_space_write_1((sc)->sc_mem_bt, (sc)->sc_mem_bh, (reg), (val))
    957 #define	CSR_READ_2(_sc, reg)		\
    958 	bus_space_read_2((sc)->sc_mem_bt, (sc)->sc_mem_bh, (reg))
    959 #define	CSR_READ_4(_sc, reg)		\
    960 	bus_space_read_4((sc)->sc_mem_bt, (sc)->sc_mem_bh, (reg))
    961 
    962 #define	ALE_TX_TIMEOUT		5
    963 #define	ALE_RESET_TIMEOUT	100
    964 #define	ALE_TIMEOUT		1000
    965 #define	ALE_PHY_TIMEOUT		1000
    966 
    967 #endif	/* _IF_ALEREG_H */
    968