diff options
Diffstat (limited to 'drivers/usb/gadget/rndis.h')
-rw-r--r-- | drivers/usb/gadget/rndis.h | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/drivers/usb/gadget/rndis.h b/drivers/usb/gadget/rndis.h new file mode 100644 index 0000000..d9e3a75 --- /dev/null +++ b/drivers/usb/gadget/rndis.h @@ -0,0 +1,260 @@ +/* + * RNDIS Definitions for Remote NDIS + * + * Authors: Benedikt Spranger, Pengutronix + * Robert Schwebel, Pengutronix + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2, as published by the Free Software Foundation. + * + * This software was originally developed in conformance with + * Microsoft's Remote NDIS Specification License Agreement. + */ + +#ifndef _USBGADGET_RNDIS_H +#define _USBGADGET_RNDIS_H + +#include "ndis.h" + +/* + * By default rndis_signal_disconnect does not send status message about + * RNDIS disconnection to USB host (indicated as cable disconnected). + * Define RNDIS_COMPLETE_SIGNAL_DISCONNECT to send it. + * However, this will cause 1 sec delay on Ethernet device halt. + * Usually you do not need to define it. Mostly usable for debugging. + */ + +#define RNDIS_MAXIMUM_FRAME_SIZE 1518 +#define RNDIS_MAX_TOTAL_SIZE 1558 + +/* Remote NDIS Versions */ +#define RNDIS_MAJOR_VERSION 1 +#define RNDIS_MINOR_VERSION 0 + +/* Status Values */ +#define RNDIS_STATUS_SUCCESS 0x00000000U /* Success */ +#define RNDIS_STATUS_FAILURE 0xC0000001U /* Unspecified error */ +#define RNDIS_STATUS_INVALID_DATA 0xC0010015U /* Invalid data */ +#define RNDIS_STATUS_NOT_SUPPORTED 0xC00000BBU /* Unsupported request */ +#define RNDIS_STATUS_MEDIA_CONNECT 0x4001000BU /* Device connected */ +#define RNDIS_STATUS_MEDIA_DISCONNECT 0x4001000CU /* Device disconnected */ +/* + * For all not specified status messages: + * RNDIS_STATUS_Xxx -> NDIS_STATUS_Xxx + */ + +/* Message Set for Connectionless (802.3) Devices */ +#define REMOTE_NDIS_PACKET_MSG 0x00000001U +#define REMOTE_NDIS_INITIALIZE_MSG 0x00000002U /* Initialize device */ +#define REMOTE_NDIS_HALT_MSG 0x00000003U +#define REMOTE_NDIS_QUERY_MSG 0x00000004U +#define REMOTE_NDIS_SET_MSG 0x00000005U +#define REMOTE_NDIS_RESET_MSG 0x00000006U +#define REMOTE_NDIS_INDICATE_STATUS_MSG 0x00000007U +#define REMOTE_NDIS_KEEPALIVE_MSG 0x00000008U + +/* Message completion */ +#define REMOTE_NDIS_INITIALIZE_CMPLT 0x80000002U +#define REMOTE_NDIS_QUERY_CMPLT 0x80000004U +#define REMOTE_NDIS_SET_CMPLT 0x80000005U +#define REMOTE_NDIS_RESET_CMPLT 0x80000006U +#define REMOTE_NDIS_KEEPALIVE_CMPLT 0x80000008U + +/* Device Flags */ +#define RNDIS_DF_CONNECTIONLESS 0x00000001U +#define RNDIS_DF_CONNECTION_ORIENTED 0x00000002U + +#define RNDIS_MEDIUM_802_3 0x00000000U + +/* from drivers/net/sk98lin/h/skgepnmi.h */ +#define OID_PNP_CAPABILITIES 0xFD010100 +#define OID_PNP_SET_POWER 0xFD010101 +#define OID_PNP_QUERY_POWER 0xFD010102 +#define OID_PNP_ADD_WAKE_UP_PATTERN 0xFD010103 +#define OID_PNP_REMOVE_WAKE_UP_PATTERN 0xFD010104 +#define OID_PNP_ENABLE_WAKE_UP 0xFD010106 + + +typedef struct rndis_init_msg_type { + __le32 MessageType; + __le32 MessageLength; + __le32 RequestID; + __le32 MajorVersion; + __le32 MinorVersion; + __le32 MaxTransferSize; +} rndis_init_msg_type; + +typedef struct rndis_init_cmplt_type { + __le32 MessageType; + __le32 MessageLength; + __le32 RequestID; + __le32 Status; + __le32 MajorVersion; + __le32 MinorVersion; + __le32 DeviceFlags; + __le32 Medium; + __le32 MaxPacketsPerTransfer; + __le32 MaxTransferSize; + __le32 PacketAlignmentFactor; + __le32 AFListOffset; + __le32 AFListSize; +} rndis_init_cmplt_type; + +typedef struct rndis_halt_msg_type { + __le32 MessageType; + __le32 MessageLength; + __le32 RequestID; +} rndis_halt_msg_type; + +typedef struct rndis_query_msg_type { + __le32 MessageType; + __le32 MessageLength; + __le32 RequestID; + __le32 OID; + __le32 InformationBufferLength; + __le32 InformationBufferOffset; + __le32 DeviceVcHandle; +} rndis_query_msg_type; + +typedef struct rndis_query_cmplt_type { + __le32 MessageType; + __le32 MessageLength; + __le32 RequestID; + __le32 Status; + __le32 InformationBufferLength; + __le32 InformationBufferOffset; +} rndis_query_cmplt_type; + +typedef struct rndis_set_msg_type { + __le32 MessageType; + __le32 MessageLength; + __le32 RequestID; + __le32 OID; + __le32 InformationBufferLength; + __le32 InformationBufferOffset; + __le32 DeviceVcHandle; +} rndis_set_msg_type; + +typedef struct rndis_set_cmplt_type { + __le32 MessageType; + __le32 MessageLength; + __le32 RequestID; + __le32 Status; +} rndis_set_cmplt_type; + +typedef struct rndis_reset_msg_type { + __le32 MessageType; + __le32 MessageLength; + __le32 Reserved; +} rndis_reset_msg_type; + +typedef struct rndis_reset_cmplt_type { + __le32 MessageType; + __le32 MessageLength; + __le32 Status; + __le32 AddressingReset; +} rndis_reset_cmplt_type; + +typedef struct rndis_indicate_status_msg_type { + __le32 MessageType; + __le32 MessageLength; + __le32 Status; + __le32 StatusBufferLength; + __le32 StatusBufferOffset; +} rndis_indicate_status_msg_type; + +typedef struct rndis_keepalive_msg_type { + __le32 MessageType; + __le32 MessageLength; + __le32 RequestID; +} rndis_keepalive_msg_type; + +typedef struct rndis_keepalive_cmplt_type { + __le32 MessageType; + __le32 MessageLength; + __le32 RequestID; + __le32 Status; +} rndis_keepalive_cmplt_type; + +struct rndis_packet_msg_type { + __le32 MessageType; + __le32 MessageLength; + __le32 DataOffset; + __le32 DataLength; + __le32 OOBDataOffset; + __le32 OOBDataLength; + __le32 NumOOBDataElements; + __le32 PerPacketInfoOffset; + __le32 PerPacketInfoLength; + __le32 VcHandle; + __le32 Reserved; +} __attribute__ ((packed)); + +struct rndis_config_parameter { + __le32 ParameterNameOffset; + __le32 ParameterNameLength; + __le32 ParameterType; + __le32 ParameterValueOffset; + __le32 ParameterValueLength; +}; + +/* implementation specific */ +enum rndis_state { + RNDIS_UNINITIALIZED, + RNDIS_INITIALIZED, + RNDIS_DATA_INITIALIZED, +}; + +typedef struct rndis_resp_t { + struct list_head list; + u8 *buf; + u32 length; + int send; +} rndis_resp_t; + +typedef struct rndis_params { + u8 confignr; + u8 used; + u16 saved_filter; + enum rndis_state state; + u32 medium; + u32 speed; + u32 media_state; + + const u8 *host_mac; + u16 *filter; + struct eth_device *dev; + struct net_device_stats *stats; + int mtu; + + u32 vendorID; + const char *vendorDescr; + int (*ack)(struct eth_device *); + struct list_head resp_queue; +} rndis_params; + +/* RNDIS Message parser and other useless functions */ +int rndis_msg_parser(u8 configNr, u8 *buf); +enum rndis_state rndis_get_state(int configNr); +int rndis_register(int (*rndis_control_ack)(struct eth_device *)); +void rndis_deregister(int configNr); +int rndis_set_param_dev(u8 configNr, struct eth_device *dev, int mtu, + struct net_device_stats *stats, u16 *cdc_filter); +int rndis_set_param_vendor(u8 configNr, u32 vendorID, + const char *vendorDescr); +int rndis_set_param_medium(u8 configNr, u32 medium, u32 speed); +void rndis_add_hdr(void *bug, int length); +int rndis_rm_hdr(void *bug, int length); +u8 *rndis_get_next_response(int configNr, u32 *length); +void rndis_free_response(int configNr, u8 *buf); + +void rndis_uninit(int configNr); +int rndis_signal_connect(int configNr); +int rndis_signal_disconnect(int configNr); +extern void rndis_set_host_mac(int configNr, const u8 *addr); + +int rndis_init(void); +void rndis_exit(void); + +#endif /* _USBGADGET_RNDIS_H */ |