1/*
  2 * RNDIS	Definitions for Remote NDIS
  3 *
  4 * Authors:	Benedikt Spranger, Pengutronix
  5 *		Robert Schwebel, Pengutronix
  6 *
  7 *		This program is free software; you can redistribute it and/or
  8 *		modify it under the terms of the GNU General Public License
  9 *		version 2, as published by the Free Software Foundation.
 10 *
 11 *		This software was originally developed in conformance with
 12 *		Microsoft's Remote NDIS Specification License Agreement.
 13 */
 14
 15#ifndef _LINUX_RNDIS_H
 16#define _LINUX_RNDIS_H
 17
 18#include <linux/rndis.h>
 19#include "ndis.h"
 20
 21#define RNDIS_MAXIMUM_FRAME_SIZE	1518
 22#define RNDIS_MAX_TOTAL_SIZE		1558
 23
 24typedef struct rndis_init_msg_type
 25{
 26	__le32	MessageType;
 27	__le32	MessageLength;
 28	__le32	RequestID;
 29	__le32	MajorVersion;
 30	__le32	MinorVersion;
 31	__le32	MaxTransferSize;
 32} rndis_init_msg_type;
 33
 34typedef struct rndis_init_cmplt_type
 35{
 36	__le32	MessageType;
 37	__le32	MessageLength;
 38	__le32	RequestID;
 39	__le32	Status;
 40	__le32	MajorVersion;
 41	__le32	MinorVersion;
 42	__le32	DeviceFlags;
 43	__le32	Medium;
 44	__le32	MaxPacketsPerTransfer;
 45	__le32	MaxTransferSize;
 46	__le32	PacketAlignmentFactor;
 47	__le32	AFListOffset;
 48	__le32	AFListSize;
 49} rndis_init_cmplt_type;
 50
 51typedef struct rndis_halt_msg_type
 52{
 53	__le32	MessageType;
 54	__le32	MessageLength;
 55	__le32	RequestID;
 56} rndis_halt_msg_type;
 57
 58typedef struct rndis_query_msg_type
 59{
 60	__le32	MessageType;
 61	__le32	MessageLength;
 62	__le32	RequestID;
 63	__le32	OID;
 64	__le32	InformationBufferLength;
 65	__le32	InformationBufferOffset;
 66	__le32	DeviceVcHandle;
 67} rndis_query_msg_type;
 68
 69typedef struct rndis_query_cmplt_type
 70{
 71	__le32	MessageType;
 72	__le32	MessageLength;
 73	__le32	RequestID;
 74	__le32	Status;
 75	__le32	InformationBufferLength;
 76	__le32	InformationBufferOffset;
 77} rndis_query_cmplt_type;
 78
 79typedef struct rndis_set_msg_type
 80{
 81	__le32	MessageType;
 82	__le32	MessageLength;
 83	__le32	RequestID;
 84	__le32	OID;
 85	__le32	InformationBufferLength;
 86	__le32	InformationBufferOffset;
 87	__le32	DeviceVcHandle;
 88} rndis_set_msg_type;
 89
 90typedef struct rndis_set_cmplt_type
 91{
 92	__le32	MessageType;
 93	__le32	MessageLength;
 94	__le32	RequestID;
 95	__le32	Status;
 96} rndis_set_cmplt_type;
 97
 98typedef struct rndis_reset_msg_type
 99{
100	__le32	MessageType;
101	__le32	MessageLength;
102	__le32	Reserved;
103} rndis_reset_msg_type;
104
105typedef struct rndis_reset_cmplt_type
106{
107	__le32	MessageType;
108	__le32	MessageLength;
109	__le32	Status;
110	__le32	AddressingReset;
111} rndis_reset_cmplt_type;
112
113typedef struct rndis_indicate_status_msg_type
114{
115	__le32	MessageType;
116	__le32	MessageLength;
117	__le32	Status;
118	__le32	StatusBufferLength;
119	__le32	StatusBufferOffset;
120} rndis_indicate_status_msg_type;
121
122typedef struct rndis_keepalive_msg_type
123{
124	__le32	MessageType;
125	__le32	MessageLength;
126	__le32	RequestID;
127} rndis_keepalive_msg_type;
128
129typedef struct rndis_keepalive_cmplt_type
130{
131	__le32	MessageType;
132	__le32	MessageLength;
133	__le32	RequestID;
134	__le32	Status;
135} rndis_keepalive_cmplt_type;
136
137struct rndis_packet_msg_type
138{
139	__le32	MessageType;
140	__le32	MessageLength;
141	__le32	DataOffset;
142	__le32	DataLength;
143	__le32	OOBDataOffset;
144	__le32	OOBDataLength;
145	__le32	NumOOBDataElements;
146	__le32	PerPacketInfoOffset;
147	__le32	PerPacketInfoLength;
148	__le32	VcHandle;
149	__le32	Reserved;
150} __attribute__ ((packed));
151
152struct rndis_config_parameter
153{
154	__le32	ParameterNameOffset;
155	__le32	ParameterNameLength;
156	__le32	ParameterType;
157	__le32	ParameterValueOffset;
158	__le32	ParameterValueLength;
159};
160
161/* implementation specific */
162enum rndis_state
163{
164	RNDIS_UNINITIALIZED,
165	RNDIS_INITIALIZED,
166	RNDIS_DATA_INITIALIZED,
167};
168
169typedef struct rndis_resp_t
170{
171	struct list_head	list;
172	u8			*buf;
173	u32			length;
174	int			send;
175} rndis_resp_t;
176
177typedef struct rndis_params
178{
179	u8			confignr;
180	u8			used;
181	u16			saved_filter;
182	enum rndis_state	state;
183	u32			medium;
184	u32			speed;
185	u32			media_state;
186
187	const u8		*host_mac;
188	u16			*filter;
189	struct net_device	*dev;
190
191	u32			vendorID;
192	const char		*vendorDescr;
193	void			(*resp_avail)(void *v);
194	void			*v;
195	struct list_head	resp_queue;
196} rndis_params;
197
198/* RNDIS Message parser and other useless functions */
199int  rndis_msg_parser (u8 configNr, u8 *buf);
200int  rndis_register(void (*resp_avail)(void *v), void *v);
201void rndis_deregister (int configNr);
202int  rndis_set_param_dev (u8 configNr, struct net_device *dev,
203			 u16 *cdc_filter);
204int  rndis_set_param_vendor (u8 configNr, u32 vendorID,
205			    const char *vendorDescr);
206int  rndis_set_param_medium (u8 configNr, u32 medium, u32 speed);
207void rndis_add_hdr (struct sk_buff *skb);
208int rndis_rm_hdr(struct gether *port, struct sk_buff *skb,
209			struct sk_buff_head *list);
210u8   *rndis_get_next_response (int configNr, u32 *length);
211void rndis_free_response (int configNr, u8 *buf);
212
213void rndis_uninit (int configNr);
214int  rndis_signal_connect (int configNr);
215int  rndis_signal_disconnect (int configNr);
216int  rndis_state (int configNr);
217extern void rndis_set_host_mac (int configNr, const u8 *addr);
218
219int rndis_init(void);
220void rndis_exit (void);
221
222#endif  /* _LINUX_RNDIS_H */