drivers/usb/gadget/rndis.h

   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 "ndis.h"
  19
  20 #define RNDIS_MAXIMUM_FRAME_SIZE        1518
  21 #define RNDIS_MAX_TOTAL_SIZE            1558
  22
  23 /* Remote NDIS Versions */
  24 #define RNDIS_MAJOR_VERSION             1
  25 #define RNDIS_MINOR_VERSION             0
  26
  27 /* Status Values */
  28 #define RNDIS_STATUS_SUCCESS            0x00000000U     /* Success           */
  29 #define RNDIS_STATUS_FAILURE            0xC0000001U     /* Unspecified error */
  30 #define RNDIS_STATUS_INVALID_DATA       0xC0010015U     /* Invalid data      */
  31 #define RNDIS_STATUS_NOT_SUPPORTED      0xC00000BBU     /* Unsupported request */
  32 #define RNDIS_STATUS_MEDIA_CONNECT      0x4001000BU     /* Device connected  */
  33 #define RNDIS_STATUS_MEDIA_DISCONNECT   0x4001000CU     /* Device disconnected */
  34 /* For all not specified status messages:
  35  * RNDIS_STATUS_Xxx -> NDIS_STATUS_Xxx
  36  */
  37
  38 /* Message Set for Connectionless (802.3) Devices */
  39 #define REMOTE_NDIS_PACKET_MSG          0x00000001U
  40 #define REMOTE_NDIS_INITIALIZE_MSG      0x00000002U     /* Initialize device */
  41 #define REMOTE_NDIS_HALT_MSG            0x00000003U
  42 #define REMOTE_NDIS_QUERY_MSG           0x00000004U
  43 #define REMOTE_NDIS_SET_MSG             0x00000005U
  44 #define REMOTE_NDIS_RESET_MSG           0x00000006U
  45 #define REMOTE_NDIS_INDICATE_STATUS_MSG 0x00000007U
  46 #define REMOTE_NDIS_KEEPALIVE_MSG       0x00000008U
  47
  48 /* Message completion */
  49 #define REMOTE_NDIS_INITIALIZE_CMPLT    0x80000002U
  50 #define REMOTE_NDIS_QUERY_CMPLT         0x80000004U
  51 #define REMOTE_NDIS_SET_CMPLT           0x80000005U
  52 #define REMOTE_NDIS_RESET_CMPLT         0x80000006U
  53 #define REMOTE_NDIS_KEEPALIVE_CMPLT     0x80000008U
  54
  55 /* Device Flags */
  56 #define RNDIS_DF_CONNECTIONLESS         0x00000001U
  57 #define RNDIS_DF_CONNECTION_ORIENTED    0x00000002U
  58
  59 #define RNDIS_MEDIUM_802_3              0x00000000U
  60
  61 /* from drivers/net/sk98lin/h/skgepnmi.h */
  62 #define OID_PNP_CAPABILITIES                    0xFD010100
  63 #define OID_PNP_SET_POWER                       0xFD010101
  64 #define OID_PNP_QUERY_POWER                     0xFD010102
  65 #define OID_PNP_ADD_WAKE_UP_PATTERN             0xFD010103
  66 #define OID_PNP_REMOVE_WAKE_UP_PATTERN          0xFD010104
  67 #define OID_PNP_ENABLE_WAKE_UP                  0xFD010106
  68
  69
  70 typedef struct rndis_init_msg_type
  71 {
  72         __le32  MessageType;
  73         __le32  MessageLength;
  74         __le32  RequestID;
  75         __le32  MajorVersion;
  76         __le32  MinorVersion;
  77         __le32  MaxTransferSize;
  78 } rndis_init_msg_type;
  79
  80 typedef struct rndis_init_cmplt_type
  81 {
  82         __le32  MessageType;
  83         __le32  MessageLength;
  84         __le32  RequestID;
  85         __le32  Status;
  86         __le32  MajorVersion;
  87         __le32  MinorVersion;
  88         __le32  DeviceFlags;
  89         __le32  Medium;
  90         __le32  MaxPacketsPerTransfer;
  91         __le32  MaxTransferSize;
  92         __le32  PacketAlignmentFactor;
  93         __le32  AFListOffset;
  94         __le32  AFListSize;
  95 } rndis_init_cmplt_type;
  96
  97 typedef struct rndis_halt_msg_type
  98 {
  99         __le32  MessageType;
 100         __le32  MessageLength;
 101         __le32  RequestID;
 102 } rndis_halt_msg_type;
 103
 104 typedef struct rndis_query_msg_type
 105 {
 106         __le32  MessageType;
 107         __le32  MessageLength;
 108         __le32  RequestID;
 109         __le32  OID;
 110         __le32  InformationBufferLength;
 111         __le32  InformationBufferOffset;
 112         __le32  DeviceVcHandle;
 113 } rndis_query_msg_type;
 114
 115 typedef struct rndis_query_cmplt_type
 116 {
 117         __le32  MessageType;
 118         __le32  MessageLength;
 119         __le32  RequestID;
 120         __le32  Status;
 121         __le32  InformationBufferLength;
 122         __le32  InformationBufferOffset;
 123 } rndis_query_cmplt_type;
 124
 125 typedef struct rndis_set_msg_type
 126 {
 127         __le32  MessageType;
 128         __le32  MessageLength;
 129         __le32  RequestID;
 130         __le32  OID;
 131         __le32  InformationBufferLength;
 132         __le32  InformationBufferOffset;
 133         __le32  DeviceVcHandle;
 134 } rndis_set_msg_type;
 135
 136 typedef struct rndis_set_cmplt_type
 137 {
 138         __le32  MessageType;
 139         __le32  MessageLength;
 140         __le32  RequestID;
 141         __le32  Status;
 142 } rndis_set_cmplt_type;
 143
 144 typedef struct rndis_reset_msg_type
 145 {
 146         __le32  MessageType;
 147         __le32  MessageLength;
 148         __le32  Reserved;
 149 } rndis_reset_msg_type;
 150
 151 typedef struct rndis_reset_cmplt_type
 152 {
 153         __le32  MessageType;
 154         __le32  MessageLength;
 155         __le32  Status;
 156         __le32  AddressingReset;
 157 } rndis_reset_cmplt_type;
 158
 159 typedef struct rndis_indicate_status_msg_type
 160 {
 161         __le32  MessageType;
 162         __le32  MessageLength;
 163         __le32  Status;
 164         __le32  StatusBufferLength;
 165         __le32  StatusBufferOffset;
 166 } rndis_indicate_status_msg_type;
 167
 168 typedef struct rndis_keepalive_msg_type
 169 {
 170         __le32  MessageType;
 171         __le32  MessageLength;
 172         __le32  RequestID;
 173 } rndis_keepalive_msg_type;
 174
 175 typedef struct rndis_keepalive_cmplt_type
 176 {
 177         __le32  MessageType;
 178         __le32  MessageLength;
 179         __le32  RequestID;
 180         __le32  Status;
 181 } rndis_keepalive_cmplt_type;
 182
 183 struct rndis_packet_msg_type
 184 {
 185         __le32  MessageType;
 186         __le32  MessageLength;
 187         __le32  DataOffset;
 188         __le32  DataLength;
 189         __le32  OOBDataOffset;
 190         __le32  OOBDataLength;
 191         __le32  NumOOBDataElements;
 192         __le32  PerPacketInfoOffset;
 193         __le32  PerPacketInfoLength;
 194         __le32  VcHandle;
 195         __le32  Reserved;
 196 } __attribute__ ((packed));
 197
 198 struct rndis_config_parameter
 199 {
 200         __le32  ParameterNameOffset;
 201         __le32  ParameterNameLength;
 202         __le32  ParameterType;
 203         __le32  ParameterValueOffset;
 204         __le32  ParameterValueLength;
 205 };
 206
 207 /* implementation specific */
 208 enum rndis_state
 209 {
 210         RNDIS_UNINITIALIZED,
 211         RNDIS_INITIALIZED,
 212         RNDIS_DATA_INITIALIZED,
 213 };
 214
 215 typedef struct rndis_resp_t
 216 {
 217         struct list_head        list;
 218         u8                      *buf;
 219         u32                     length;
 220         int                     send;
 221 } rndis_resp_t;
 222
 223 typedef struct rndis_params
 224 {
 225         u8                      confignr;
 226         u8                      used;
 227         u16                     saved_filter;
 228         enum rndis_state        state;
 229         u32                     medium;
 230         u32                     speed;
 231         u32                     media_state;
 232
 233         const u8                *host_mac;
 234         u16                     *filter;
 235         struct net_device       *dev;
 236
 237         u32                     vendorID;
 238         const char              *vendorDescr;
 239         void                    (*resp_avail)(void *v);
 240         void                    *v;
 241         struct list_head        resp_queue;
 242 } rndis_params;
 243
 244 /* RNDIS Message parser and other useless functions */
 245 int  rndis_msg_parser (u8 configNr, u8 *buf);
 246 int  rndis_register(void (*resp_avail)(void *v), void *v);
 247 void rndis_deregister (int configNr);
 248 int  rndis_set_param_dev (u8 configNr, struct net_device *dev,
 249                          u16 *cdc_filter);
 250 int  rndis_set_param_vendor (u8 configNr, u32 vendorID,
 251                             const char *vendorDescr);
 252 int  rndis_set_param_medium (u8 configNr, u32 medium, u32 speed);
 253 void rndis_add_hdr (struct sk_buff *skb);
 254 int rndis_rm_hdr(struct gether *port, struct sk_buff *skb,
 255                         struct sk_buff_head *list);
 256 u8   *rndis_get_next_response (int configNr, u32 *length);
 257 void rndis_free_response (int configNr, u8 *buf);
 258
 259 void rndis_uninit (int configNr);
 260 int  rndis_signal_connect (int configNr);
 261 int  rndis_signal_disconnect (int configNr);
 262 int  rndis_state (int configNr);
 263 extern void rndis_set_host_mac (int configNr, const u8 *addr);
 264
 265 int rndis_init(void);
 266 void rndis_exit (void);
 267
 268 #endif  /* _LINUX_RNDIS_H */