/*	$OpenBSD: if_urndisreg.h,v 1.19 2013/11/21 14:08:05 mpi Exp $ */

/*
 * Copyright (c) 2010 Jonathan Armani <armani@openbsd.org>
 * Copyright (c) 2010 Fabien Romano <fabien@openbsd.org>
 * Copyright (c) 2010 Michael Knudsen <mk@openbsd.org>
 * All rights reserved.
 *
 * 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 RNDIS_RX_LIST_CNT	1
#define RNDIS_TX_LIST_CNT	1
#define RNDIS_BUFSZ		1562

struct urndis_chain {
	struct urndis_softc	*sc_softc;
	struct usbd_xfer	*sc_xfer;
	char			*sc_buf;
	struct mbuf		*sc_mbuf;
	int			 sc_idx;
};

struct urndis_cdata {
	struct urndis_chain	sc_rx_chain[RNDIS_RX_LIST_CNT];
	struct urndis_chain	sc_tx_chain[RNDIS_TX_LIST_CNT];
	int			sc_tx_cnt;
};

#define GET_IFP(sc) (&(sc)->sc_arpcom.ac_if)
struct urndis_softc {
	struct device			sc_dev;

	char				sc_attached;
	struct arpcom			sc_arpcom;

	/* RNDIS device info */
	u_int32_t			sc_lim_pktsz;
	u_int32_t			sc_filter;

	/* USB goo */
	struct usbd_device		*sc_udev;
	int				sc_ifaceno_ctl;
	struct usbd_interface		*sc_iface_data;

	struct timeval			sc_rx_notice;
	int				sc_bulkin_no;
	struct usbd_pipe		*sc_bulkin_pipe;
	int				sc_bulkout_no;
	struct usbd_pipe		*sc_bulkout_pipe;

	struct urndis_cdata		sc_data;
};

#define RNDIS_STATUS_BUFFER_OVERFLOW 	0x80000005L
#define RNDIS_STATUS_FAILURE 		0xC0000001L
#define RNDIS_STATUS_INVALID_DATA 	0xC0010015L
#define RNDIS_STATUS_MEDIA_CONNECT 	0x4001000BL
#define RNDIS_STATUS_MEDIA_DISCONNECT 	0x4001000CL
#define RNDIS_STATUS_NOT_SUPPORTED 	0xC00000BBL
#define RNDIS_STATUS_PENDING 		STATUS_PENDING /* XXX */
#define RNDIS_STATUS_RESOURCES 		0xC000009AL
#define RNDIS_STATUS_SUCCESS 		0x00000000L

#define	OID_GEN_SUPPORTED_LIST		0x00010101
#define	OID_GEN_HARDWARE_STATUS		0x00010102
#define	OID_GEN_MEDIA_SUPPORTED		0x00010103
#define	OID_GEN_MEDIA_IN_USE		0x00010104
#define	OID_GEN_MAXIMUM_LOOKAHEAD	0x00010105
#define	OID_GEN_MAXIMUM_FRAME_SIZE	0x00010106
#define	OID_GEN_LINK_SPEED		0x00010107
#define	OID_GEN_TRANSMIT_BUFFER_SPACE	0x00010108
#define	OID_GEN_RECEIVE_BUFFER_SPACE	0x00010109
#define	OID_GEN_TRANSMIT_BLOCK_SIZE	0x0001010A
#define	OID_GEN_RECEIVE_BLOCK_SIZE	0x0001010B
#define	OID_GEN_VENDOR_ID		0x0001010C
#define	OID_GEN_VENDOR_DESCRIPTION	0x0001010D
#define	OID_GEN_CURRENT_PACKET_FILTER	0x0001010E
#define	OID_GEN_CURRENT_LOOKAHEAD	0x0001010F
#define	OID_GEN_DRIVER_VERSION		0x00010110
#define	OID_GEN_MAXIMUM_TOTAL_SIZE	0x00010111
#define	OID_GEN_PROTOCOL_OPTIONS	0x00010112
#define	OID_GEN_MAC_OPTIONS		0x00010113
#define	OID_GEN_MEDIA_CONNECT_STATUS	0x00010114
#define	OID_GEN_MAXIMUM_SEND_PACKETS	0x00010115
#define	OID_GEN_VENDOR_DRIVER_VERSION	0x00010116
#define	OID_GEN_SUPPORTED_GUIDS		0x00010117
#define	OID_GEN_NETWORK_LAYER_ADDRESSES	0x00010118
#define	OID_GEN_TRANSPORT_HEADER_OFFSET	0x00010119
#define	OID_GEN_MACHINE_NAME		0x0001021A
#define	OID_GEN_RNDIS_CONFIG_PARAMETER	0x0001021B
#define	OID_GEN_VLAN_ID			0x0001021C

#define	OID_802_3_PERMANENT_ADDRESS	0x01010101
#define	OID_802_3_CURRENT_ADDRESS	0x01010102
#define	OID_802_3_MULTICAST_LIST	0x01010103
#define	OID_802_3_MAXIMUM_LIST_SIZE	0x01010104
#define	OID_802_3_MAC_OPTIONS		0x01010105
#define	OID_802_3_RCV_ERROR_ALIGNMENT	0x01020101
#define	OID_802_3_XMIT_ONE_COLLISION	0x01020102
#define	OID_802_3_XMIT_MORE_COLLISIONS	0x01020103
#define	OID_802_3_XMIT_DEFERRED		0x01020201
#define	OID_802_3_XMIT_MAX_COLLISIONS	0x01020202
#define	OID_802_3_RCV_OVERRUN		0x01020203
#define	OID_802_3_XMIT_UNDERRUN		0x01020204
#define	OID_802_3_XMIT_HEARTBEAT_FAILURE	0x01020205
#define	OID_802_3_XMIT_TIMES_CRS_LOST	0x01020206
#define	OID_802_3_XMIT_LATE_COLLISIONS	0x01020207

#define RNDIS_MEDIUM_802_3		0x00000000

/* Device flags */
#define RNDIS_DF_CONNECTIONLESS		0x00000001
#define RNDIS_DF_CONNECTION_ORIENTED	0x00000002

/*
 * RNDIS data message
 */
#define REMOTE_NDIS_PACKET_MSG		0x00000001


struct urndis_packet_msg {
	u_int32_t	rm_type;
	u_int32_t	rm_len;
	u_int32_t	rm_dataoffset;
	u_int32_t	rm_datalen;
	u_int32_t	rm_oobdataoffset;
	u_int32_t	rm_oobdatalen;
	u_int32_t	rm_oobdataelements;
	u_int32_t	rm_pktinfooffset;
	u_int32_t	rm_pktinfolen;
	u_int32_t	rm_vchandle;
	u_int32_t	rm_reserved;
};

/*
 * RNDIS control messages
 */
struct urndis_comp_hdr {
	u_int32_t	rm_type;
	u_int32_t	rm_len;
	u_int32_t	rm_rid;
	u_int32_t	rm_status;
};

/* Initialize the device. */
#define REMOTE_NDIS_INITIALIZE_MSG	0x00000002
#define REMOTE_NDIS_INITIALIZE_CMPLT	0x80000002

struct urndis_init_req {
	u_int32_t	rm_type;
	u_int32_t	rm_len;
	u_int32_t	rm_rid;
	u_int32_t	rm_ver_major;
	u_int32_t	rm_ver_minor;
	u_int32_t	rm_max_xfersz;
};

struct urndis_init_comp {
	u_int32_t	rm_type;
	u_int32_t	rm_len;
	u_int32_t	rm_rid;
	u_int32_t	rm_status;
	u_int32_t	rm_ver_major;
	u_int32_t	rm_ver_minor;
	u_int32_t	rm_devflags;
	u_int32_t	rm_medium;
	u_int32_t	rm_pktmaxcnt;
	u_int32_t	rm_pktmaxsz;
	u_int32_t	rm_align;
	u_int32_t	rm_aflistoffset;
	u_int32_t	rm_aflistsz;
};

/* Halt the device.  No response sent. */
#define REMOTE_NDIS_HALT_MSG		0x00000003

struct urndis_halt_req {
	u_int32_t	rm_type;
	u_int32_t	rm_len;
	u_int32_t	rm_rid;
};

/* Send a query object. */
#define REMOTE_NDIS_QUERY_MSG		0x00000004
#define REMOTE_NDIS_QUERY_CMPLT		0x80000004

struct urndis_query_req {
	u_int32_t	rm_type;
	u_int32_t	rm_len;
	u_int32_t	rm_rid;
	u_int32_t	rm_oid;
	u_int32_t	rm_infobuflen;
	u_int32_t	rm_infobufoffset;
	u_int32_t	rm_devicevchdl;
};

struct urndis_query_comp {
	u_int32_t	rm_type;
	u_int32_t	rm_len;
	u_int32_t	rm_rid;
	u_int32_t	rm_status;
	u_int32_t	rm_infobuflen;
	u_int32_t	rm_infobufoffset;
};

/* Send a set object request. */
#define REMOTE_NDIS_SET_MSG		0x00000005
#define REMOTE_NDIS_SET_CMPLT		0x80000005

struct urndis_set_req {
	u_int32_t	rm_type;
	u_int32_t	rm_len;
	u_int32_t	rm_rid;
	u_int32_t	rm_oid;
	u_int32_t	rm_infobuflen;
	u_int32_t	rm_infobufoffset;
	u_int32_t	rm_devicevchdl;
};

struct urndis_set_comp {
	u_int32_t	rm_type;
	u_int32_t	rm_len;
	u_int32_t	rm_rid;
	u_int32_t	rm_status;
};

#define REMOTE_NDIS_SET_PARAM_NUMERIC	0x00000000
#define REMOTE_NDIS_SET_PARAM_STRING	0x00000002

struct urndis_set_parameter {
	u_int32_t	rm_nameoffset;
	u_int32_t	rm_namelen;
	u_int32_t	rm_type;
	u_int32_t	rm_valueoffset;
	u_int32_t	rm_valuelen;
};

/* Perform a soft reset on the device. */
#define REMOTE_NDIS_RESET_MSG		0x00000006
#define REMOTE_NDIS_RESET_CMPLT		0x80000006

struct urndis_reset_req {
	u_int32_t	rm_type;
	u_int32_t	rm_len;
	u_int32_t	rm_rid;
};

struct urndis_reset_comp {
	u_int32_t	rm_type;
	u_int32_t	rm_len;
	u_int32_t	rm_status;
	u_int32_t	rm_adrreset;
};

/* 802.3 link-state or undefined message error. */
#define REMOTE_NDIS_INDICATE_STATUS_MSG	0x00000007

/* Keepalive messsage.  May be sent by device. */
#define REMOTE_NDIS_KEEPALIVE_MSG	0x00000008
#define REMOTE_NDIS_KEEPALIVE_CMPLT	0x80000008

struct urndis_keepalive_req {
	u_int32_t	rm_type;
	u_int32_t	rm_len;
	u_int32_t	rm_rid;
};

struct urndis_keepalive_comp {
	u_int32_t	rm_type;
	u_int32_t	rm_len;
	u_int32_t	rm_rid;
	u_int32_t	rm_status;
};

/* packet filter bits used by OID_GEN_CURRENT_PACKET_FILTER */
#define RNDIS_PACKET_TYPE_DIRECTED		0x00000001
#define RNDIS_PACKET_TYPE_MULTICAST		0x00000002
#define RNDIS_PACKET_TYPE_ALL_MULTICAST		0x00000004
#define RNDIS_PACKET_TYPE_BROADCAST		0x00000008
#define RNDIS_PACKET_TYPE_SOURCE_ROUTING	0x00000010
#define RNDIS_PACKET_TYPE_PROMISCUOUS		0x00000020
#define RNDIS_PACKET_TYPE_SMT			0x00000040
#define RNDIS_PACKET_TYPE_ALL_LOCAL		0x00000080
#define RNDIS_PACKET_TYPE_GROUP			0x00001000
#define RNDIS_PACKET_TYPE_ALL_FUNCTIONAL	0x00002000
#define RNDIS_PACKET_TYPE_FUNCTIONAL		0x00004000
#define RNDIS_PACKET_TYPE_MAC_FRAME		0x00008000

/* Rndis offsets */
#define RNDIS_HEADER_OFFSET	(sizeof(u_int32_t) * 2)
#define RNDIS_DATA_OFFSET	(sizeof(struct urndis_packet_msg) - \
    				 offsetof(struct urndis_packet_msg, \
    				 rm_dataoffset))
