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/* $OpenBSD: if_nfereg.h,v 1.20 2006/11/15 02:24:37 brad Exp $ */
/*-
* Copyright (c) 2005 Jonathan Gray <jsg@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#define NFE_PCI_BA 0x10
#define NFE_RX_RING_COUNT 128
#define NFE_TX_RING_COUNT 256
#define NFE_JUMBO_FRAMELEN 9018
#define NFE_JUMBO_MTU (NFE_JUMBO_FRAMELEN - ETHER_HDR_LEN - ETHER_CRC_LEN)
#define NFE_JBYTES (NFE_JUMBO_FRAMELEN + ETHER_ALIGN)
#define NFE_JPOOL_COUNT (NFE_RX_RING_COUNT + 64)
#define NFE_JPOOL_SIZE (NFE_JPOOL_COUNT * NFE_JBYTES)
#define NFE_MAX_SCATTER (NFE_TX_RING_COUNT - 2)
#define NFE_IRQ_STATUS 0x000
#define NFE_IRQ_MASK 0x004
#define NFE_SETUP_R6 0x008
#define NFE_IMTIMER 0x00c
#define NFE_MISC1 0x080
#define NFE_TX_CTL 0x084
#define NFE_TX_STATUS 0x088
#define NFE_RXFILTER 0x08c
#define NFE_RXBUFSZ 0x090
#define NFE_RX_CTL 0x094
#define NFE_RX_STATUS 0x098
#define NFE_RNDSEED 0x09c
#define NFE_SETUP_R1 0x0a0
#define NFE_SETUP_R2 0x0a4
#define NFE_MACADDR_HI 0x0a8
#define NFE_MACADDR_LO 0x0ac
#define NFE_MULTIADDR_HI 0x0b0
#define NFE_MULTIADDR_LO 0x0b4
#define NFE_MULTIMASK_HI 0x0b8
#define NFE_MULTIMASK_LO 0x0bc
#define NFE_PHY_IFACE 0x0c0
#define NFE_TX_RING_ADDR_LO 0x100
#define NFE_RX_RING_ADDR_LO 0x104
#define NFE_RING_SIZE 0x108
#define NFE_TX_UNK 0x10c
#define NFE_LINKSPEED 0x110
#define NFE_SETUP_R5 0x130
#define NFE_SETUP_R3 0x13C
#define NFE_SETUP_R7 0x140
#define NFE_RXTX_CTL 0x144
#define NFE_TX_RING_ADDR_HI 0x148
#define NFE_RX_RING_ADDR_HI 0x14c
#define NFE_PHY_STATUS 0x180
#define NFE_SETUP_R4 0x184
#define NFE_STATUS 0x188
#define NFE_PHY_SPEED 0x18c
#define NFE_PHY_CTL 0x190
#define NFE_PHY_DATA 0x194
#define NFE_WOL_CTL 0x200
#define NFE_PATTERN_CRC 0x204
#define NFE_PATTERN_MASK 0x208
#define NFE_PWR_CAP 0x268
#define NFE_PWR_STATE 0x26c
#define NFE_VTAG_CTL 0x300
#define NFE_PHY_ERROR 0x00001
#define NFE_PHY_WRITE 0x00400
#define NFE_PHY_BUSY 0x08000
#define NFE_PHYADD_SHIFT 5
#define NFE_STATUS_MAGIC 0x140000
#define NFE_R1_MAGIC 0x16070f
#define NFE_R2_MAGIC 0x16
#define NFE_R4_MAGIC 0x08
#define NFE_R6_MAGIC 0x03
#define NFE_WOL_ENABLE 0x1111
#define NFE_RX_START 0x01
#define NFE_TX_START 0x01
#define NFE_IRQ_RXERR 0x0001
#define NFE_IRQ_RX 0x0002
#define NFE_IRQ_RX_NOBUF 0x0004
#define NFE_IRQ_TXERR 0x0008
#define NFE_IRQ_TX_DONE 0x0010
#define NFE_IRQ_TIMER 0x0020
#define NFE_IRQ_LINK 0x0040
#define NFE_IRQ_TXERR2 0x0080
#define NFE_IRQ_TX1 0x0100
#define NFE_IRQ_WANTED \
(NFE_IRQ_RXERR | NFE_IRQ_RX_NOBUF | NFE_IRQ_RX | \
NFE_IRQ_TXERR | NFE_IRQ_TXERR2 | NFE_IRQ_TX_DONE | \
NFE_IRQ_LINK)
#define NFE_RXTX_KICKTX 0x0001
#define NFE_RXTX_BIT1 0x0002
#define NFE_RXTX_BIT2 0x0004
#define NFE_RXTX_RESET 0x0010
#define NFE_RXTX_VTAG_STRIP 0x0040
#define NFE_RXTX_VTAG_INSERT 0x0080
#define NFE_RXTX_RXCSUM 0x0400
#define NFE_RXTX_V2MAGIC 0x2100
#define NFE_RXTX_V3MAGIC 0x2200
#define NFE_RXFILTER_MAGIC 0x007f0008
#define NFE_U2M (1 << 5)
#define NFE_PROMISC (1 << 7)
/* default interrupt moderation timer of 128us */
#define NFE_IM_DEFAULT ((128 * 100) / 1024)
#define NFE_VTAG_ENABLE (1 << 13)
#define NFE_PWR_VALID (1 << 8)
#define NFE_PWR_WAKEUP (1 << 15)
#define NFE_MEDIA_SET 0x10000
#define NFE_MEDIA_1000T 0x00032
#define NFE_MEDIA_100TX 0x00064
#define NFE_MEDIA_10T 0x003e8
#define NFE_PHY_100TX (1 << 0)
#define NFE_PHY_1000T (1 << 1)
#define NFE_PHY_HDX (1 << 8)
#define NFE_MISC1_MAGIC 0x003b0f3c
#define NFE_MISC1_HDX (1 << 1)
#define NFE_SEED_MASK 0x0003ff00
#define NFE_SEED_10T 0x00007f00
#define NFE_SEED_100TX 0x00002d00
#define NFE_SEED_1000T 0x00007400
/* Rx/Tx descriptor */
struct nfe_desc32 {
uint32_t physaddr;
uint16_t length;
uint16_t flags;
#define NFE_RX_FIXME_V1 0x6004
#define NFE_RX_VALID_V1 (1 << 0)
#define NFE_TX_ERROR_V1 0x7808
#define NFE_TX_LASTFRAG_V1 (1 << 0)
} __packed;
#define NFE_V1_TXERR "\020" \
"\14TXERROR\13UNDERFLOW\12LATECOLLISION\11LOSTCARRIER\10DEFERRED" \
"\08FORCEDINT\03RETRY\00LASTPACKET"
/* V2 Rx/Tx descriptor */
struct nfe_desc64 {
uint32_t physaddr[2];
uint32_t vtag;
#define NFE_RX_VTAG (1 << 16)
#define NFE_TX_VTAG (1 << 18)
uint16_t length;
uint16_t flags;
#define NFE_RX_FIXME_V2 0x4300
#define NFE_RX_VALID_V2 (1 << 13)
#define NFE_TX_ERROR_V2 0x5c04
#define NFE_TX_LASTFRAG_V2 (1 << 13)
} __packed;
#define NFE_V2_TXERR "\020" \
"\14FORCEDINT\13LASTPACKET\12UNDERFLOW\10LOSTCARRIER\09DEFERRED\02RETRY"
/* flags common to V1/V2 descriptors */
#define NFE_RX_CSUMOK 0x1c00
#define NFE_RX_ERROR (1 << 14)
#define NFE_RX_READY (1 << 15)
#define NFE_TX_TCP_CSUM (1 << 10)
#define NFE_TX_IP_CSUM (1 << 11)
#define NFE_TX_VALID (1 << 15)
#define NFE_READ(sc, reg) \
bus_space_read_4((sc)->sc_memt, (sc)->sc_memh, (reg))
#define NFE_WRITE(sc, reg, val) \
bus_space_write_4((sc)->sc_memt, (sc)->sc_memh, (reg), (val))
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