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/* $OpenBSD: if_axenreg.h,v 1.6 2016/09/14 12:41:09 mpi Exp $ */
/*
* Copyright (c) 2013 Yojiro UO <yuo@openbsd.org>. All right reserved.
*
*/
/*
* Definitions for the ASIX Electronics AX88179 to ethernet controller.
*/
#define AXEN_PHY_ID 0x0003
#define AXEN_MCAST_FILTER_SIZE 8
/* unit: KB */
#define AXEN_BUFSZ_LS 8
#define AXEN_BUFSZ_HS 16
#define AXEN_BUFSZ_SS 24
#define AXEN_REV_UA1 0
#define AXEN_REV_UA2 1
/* receive header */
/*
* +-multicast/broadcast
* | +-rx_ok
* | | ++-----L3_type (1:ipv4, 0/2:ipv6)
* pkt_len(13) | | ||+ ++-L4_type(0: icmp, 1: UDP, 4: TCP)
* |765|43210 76543210|7654 3210 7654 3210|
* ||+-crc_err |+-L4_err |+-L4_CSUM_ERR
* |+-mii_err +--L3_err +--L3_CSUM_ERR
* +-drop_err
*
* ex) pkt_hdr 0x00680820
* drop_err, crc_err: none
* pkt_length = 104 byte
* 0x0820 = 0000 1000 0010 0000 => ipv4 icmp
*
* ex) pkt_hdr 0x004c8800
* drop_err, crc_err: none
* pkt_length = 76 byte
* 0x8800 = 1000 1000 0000 0000 => ipv6 mcast icmp
*
* [memo]
* 0x0820: ipv4 icmp 0000 1000 0010 0000
* 0x8820: ipv4 icmp (broadcast) 1000 1000 0010 0000
* 0x0824: ipv4 udp (nping) 0000 1000 0010 0100
* 0x0830: ipv4 tcp (ssh) 0000 1000 0011 0000
*
* 0x0800: ipv6 icmp 0000 1000 0000 0000
* 0x8800: ipv6 icmp (multicast) 1000 1000 0000 0000
* 0x8844: ipv6 UDP/MDNS mcast 1000 1000 0100 0100
* 0x0850: ipv6 tcp (ssh) 0000 1000 0101 0000
*/
#define AXEN_RXHDR_DROP_ERR (1U << 31)
#define AXEN_RXHDR_MII_ERR (1U << 30)
#define AXEN_RXHDR_CRC_ERR (1U << 29)
#define AXEN_RXHDR_MCAST (1U << 15)
#define AXEN_RXHDR_RX_OK (1U << 11)
#define AXEN_RXHDR_L3_ERR (1U << 9)
#define AXEN_RXHDR_L4_ERR (1U << 8)
#define AXEN_RXHDR_L3CSUM_ERR (1U << 1)
#define AXEN_RXHDR_L4CSUM_ERR (1U << 0)
/* L4 packet type (3bit) */
#define AXEN_RXHDR_L4_TYPE_MASK 0x0000001c
#define AXEN_RXHDR_L4_TYPE_OFFSET 2
#define AXEN_RXHDR_L4_TYPE_ICMP 0x0
#define AXEN_RXHDR_L4_TYPE_UDP 0x1
#define AXEN_RXHDR_L4_TYPE_TCP 0x4
/* L3 packet type (2bit) */
#define AXEN_RXHDR_L3_TYPE_MASK 0x00000600
#define AXEN_RXHDR_L3_TYPE_OFFSET 5
#define AXEN_RXHDR_L3_TYPE_UNDEF 0x0
#define AXEN_RXHDR_L3_TYPE_IPV4 0x1
#define AXEN_RXHDR_L3_TYPE_IPV6 0x2
/*
* commands
*/
#define AXEN_CMD_LEN(x) (((x) & 0xF000) >> 12)
#define AXEN_CMD_DIR(x) (((x) & 0x0F00) >> 8)
#define AXEN_CMD_CMD(x) ((x) & 0x00FF)
/* ---MAC--- */
/* 1byte cmd */
#define AXEN_CMD_MAC_READ 0x1001
#define AXEN_CMD_MAC_WRITE 0x1101
#define AXEN_USB_UPLINK 0x02
#define AXEN_USB_FS 0x01
#define AXEN_USB_HS 0x02
#define AXEN_USB_SS 0x04
#define AXEN_GENERAL_STATUS 0x03
#define AXEN_GENERAL_STATUS_MASK 0x4
#define AXEN_REV0 0x0
#define AXEN_REV1 0x4
#define AXEN_UNK_05 0x05
#define AXEN_MAC_EEPROM_ADDR 0x07
#define AXEN_MAC_EEPROM_READ 0x08
#define AXEN_MAC_EEPROM_CMD 0x0a
#define AXEN_EEPROM_READ 0x04
#define AXEN_EEPROM_WRITE 0x08
#define AXEN_EEPROM_BUSY 0x10
#define AXEN_MONITOR_MODE 0x24
#define AXEN_MONITOR_NONE 0x00
#define AXEN_MONITOR_RWLC 0x02
#define AXEN_MONITOR_RWMP 0x04
#define AXEN_MONITOR_RWWF 0x08
#define AXEN_MONITOR_RW_FLAG 0x10
#define AXEN_MONITOR_PMEPOL 0x20
#define AXEN_MONITOR_PMETYPE 0x40
#define AXEN_UNK_28 0x28
#define AXEN_PHYCLK 0x33
#define AXEN_PHYCLK_BCS 0x01
#define AXEN_PHYCLK_ACS 0x02
#define AXEN_PHYCLK_ULR 0x08
#define AXEN_PHYCLK_ACSREQ 0x10
#define AXEN_RX_COE 0x34
#define AXEN_RXCOE_OFF 0x00
#define AXEN_RXCOE_IPv4 0x01
#define AXEN_RXCOE_TCPv4 0x02
#define AXEN_RXCOE_UDPv4 0x04
#define AXEN_RXCOE_ICMP 0x08
#define AXEN_RXCOE_IGMP 0x10
#define AXEN_RXCOE_TCPv6 0x20
#define AXEN_RXCOE_UDPv6 0x40
#define AXEN_RXCOE_ICMPv6 0x80
#define AXEN_TX_COE 0x35
#define AXEN_TXCOE_OFF 0x00
#define AXEN_TXCOE_IPv4 0x01
#define AXEN_TXCOE_TCPv4 0x02
#define AXEN_TXCOE_UDPv4 0x04
#define AXEN_TXCOE_ICMP 0x08
#define AXEN_TXCOE_IGMP 0x10
#define AXEN_TXCOE_TCPv6 0x20
#define AXEN_TXCOE_UDPv6 0x40
#define AXEN_TXCOE_ICMPv6 0x80
#define AXEN_PAUSE_HIGH_WATERMARK 0x54
#define AXEN_PAUSE_LOW_WATERMARK 0x55
/* 2byte cmd */
#define AXEN_CMD_MAC_READ2 0x2001
#define AXEN_CMD_MAC_WRITE2 0x2101
#define AXEN_MAC_RXCTL 0x0b
#define AXEN_RXCTL_STOP 0x0000
#define AXEN_RXCTL_PROMISC 0x0001
#define AXEN_RXCTL_ACPT_ALL_MCAST 0x0002
#define AXEN_RXCTL_HA8B 0x0004
#define AXEN_RXCTL_AUTOB 0x0008
#define AXEN_RXCTL_ACPT_BCAST 0x0010
#define AXEN_RXCTL_ACPT_PHY_MCAST 0x0020
#define AXEN_RXCTL_START 0x0080
#define AXEN_RXCTL_DROPCRCERR 0x0100
#define AXEN_RXCTL_IPE 0x0200
#define AXEN_RXCTL_TXPADCRC 0x0400
#define AXEN_MEDIUM_STATUS 0x22
#define AXEN_MEDIUM_NONE 0x0000
#define AXEN_MEDIUM_GIGA 0x0001
#define AXEN_MEDIUM_FDX 0x0002
#define AXEN_MEDIUM_ALWAYS_ONE 0x0004
#define AXEN_MEDIUM_EN_125MHZ 0x0008
#define AXEN_MEDIUM_RXFLOW_CTRL_EN 0x0010
#define AXEN_MEDIUM_TXFLOW_CTRL_EN 0x0020
#define AXEN_MEDIUM_RECV_EN 0x0100
#define AXEN_MEDIUM_PS 0x0200
#define AXEN_MEDIUM_JUMBO_EN 0x8040
#define AXEN_PHYPWR_RSTCTL 0x26
#define AXEN_PHYPWR_RSTCTL_BZ 0x0010
#define AXEN_PHYPWR_RSTCTL_IPRL 0x0020
#define AXEN_PHYPWR_RSTCTL_AUTODETACH 0x1000
#define AXEN_CMD_EEPROM_READ 0x2004
#define AXEN_EEPROM_STAT 0x43
/* 5byte cmd */
#define AXEN_CMD_MAC_SET_RXSR 0x5101
#define AXEN_RX_BULKIN_QCTRL 0x2e
/* 6byte cmd */
#define AXEN_CMD_MAC_READ_ETHER 0x6001
#define AXEN_CMD_MAC_WRITE_ETHER 0x6101
#define AXEN_CMD_MAC_NODE_ID 0x10
/* 8byte cmd */
#define AXEN_CMD_MAC_READ_FILTER 0x8001
#define AXEN_CMD_MAC_WRITE_FILTER 0x8101
#define AXEN_FILTER_MULTI 0x16
/* ---PHY--- */
/* 2byte cmd */
#define AXEN_CMD_MII_READ_REG 0x2002
#define AXEN_CMD_MII_WRITE_REG 0x2102
/* ========= */
#define AXEN_GPIO0_EN 0x01
#define AXEN_GPIO0 0x02
#define AXEN_GPIO1_EN 0x04
#define AXEN_GPIO1 0x08
#define AXEN_GPIO2_EN 0x10
#define AXEN_GPIO2 0x20
#define AXEN_GPIO_RELOAD_EEPROM 0x80
#define AXEN_TIMEOUT 1000
#define AXEN_RX_LIST_CNT 1
#define AXEN_TX_LIST_CNT 1
/*
* The interrupt endpoint is currently unused
* by the ASIX part.
*/
#define AXEN_ENDPT_RX 0x0
#define AXEN_ENDPT_TX 0x1
#define AXEN_ENDPT_INTR 0x2
#define AXEN_ENDPT_MAX 0x3
struct axen_type {
struct usb_devno axen_dev;
u_int16_t axen_flags;
#define AX178A 0x0001 /* AX88178a */
#define AX179 0x0002 /* AX88179 */
};
struct axen_softc;
struct axen_chain {
struct axen_softc *axen_sc;
struct usbd_xfer *axen_xfer;
char *axen_buf;
struct mbuf *axen_mbuf;
int axen_accum;
int axen_idx;
};
struct axen_cdata {
struct axen_chain axen_tx_chain[AXEN_TX_LIST_CNT];
struct axen_chain axen_rx_chain[AXEN_RX_LIST_CNT];
int axen_tx_prod;
int axen_tx_cons;
int axen_tx_cnt;
int axen_rx_prod;
};
struct axen_qctrl {
u_int8_t ctrl;
u_int8_t timer_low;
u_int8_t timer_high;
u_int8_t bufsize;
u_int8_t ifg;
} __packed;
struct axen_sframe_hdr {
u_int32_t plen; /* packet length */
u_int32_t gso;
} __packed;
struct axen_softc {
struct device axen_dev;
#define GET_MII(sc) (&(sc)->axen_mii)
struct arpcom arpcom;
#define GET_IFP(sc) (&(sc)->arpcom.ac_if)
struct mii_data axen_mii;
struct usbd_device *axen_udev;
struct usbd_interface *axen_iface;
u_int16_t axen_vendor;
u_int16_t axen_product;
u_int16_t axen_flags;
int axen_ed[AXEN_ENDPT_MAX];
struct usbd_pipe *axen_ep[AXEN_ENDPT_MAX];
int axen_unit;
struct axen_cdata axen_cdata;
struct timeout axen_stat_ch;
int axen_refcnt;
struct usb_task axen_tick_task;
struct usb_task axen_stop_task;
struct rwlock axen_mii_lock;
int axen_link;
unsigned char axen_ipgs[3];
int axen_phyno;
struct timeval axen_rx_notice;
u_int axen_bufsz;
int axen_rev;
};
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