203 lines
4.8 KiB
C
203 lines
4.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* RNDIS Definitions for Remote NDIS
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*
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* Authors: Benedikt Spranger, Pengutronix
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* Robert Schwebel, Pengutronix
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*
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* This software was originally developed in conformance with
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* Microsoft's Remote NDIS Specification License Agreement.
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*/
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#ifndef _LINUX_RNDIS_H
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#define _LINUX_RNDIS_H
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#include <linux/rndis.h>
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#include "u_ether.h"
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#include "ndis.h"
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#define RNDIS_MAXIMUM_FRAME_SIZE 1518
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#define RNDIS_MAX_TOTAL_SIZE 1558
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typedef struct rndis_init_msg_type {
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__le32 MessageType;
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__le32 MessageLength;
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__le32 RequestID;
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__le32 MajorVersion;
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__le32 MinorVersion;
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__le32 MaxTransferSize;
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} rndis_init_msg_type;
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typedef struct rndis_init_cmplt_type {
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__le32 MessageType;
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__le32 MessageLength;
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__le32 RequestID;
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__le32 Status;
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__le32 MajorVersion;
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__le32 MinorVersion;
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__le32 DeviceFlags;
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__le32 Medium;
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__le32 MaxPacketsPerTransfer;
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__le32 MaxTransferSize;
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__le32 PacketAlignmentFactor;
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__le32 AFListOffset;
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__le32 AFListSize;
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} rndis_init_cmplt_type;
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typedef struct rndis_halt_msg_type {
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__le32 MessageType;
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__le32 MessageLength;
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__le32 RequestID;
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} rndis_halt_msg_type;
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typedef struct rndis_query_msg_type {
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__le32 MessageType;
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__le32 MessageLength;
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__le32 RequestID;
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__le32 OID;
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__le32 InformationBufferLength;
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__le32 InformationBufferOffset;
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__le32 DeviceVcHandle;
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} rndis_query_msg_type;
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typedef struct rndis_query_cmplt_type {
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__le32 MessageType;
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__le32 MessageLength;
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__le32 RequestID;
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__le32 Status;
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__le32 InformationBufferLength;
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__le32 InformationBufferOffset;
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} rndis_query_cmplt_type;
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typedef struct rndis_set_msg_type {
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__le32 MessageType;
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__le32 MessageLength;
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__le32 RequestID;
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__le32 OID;
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__le32 InformationBufferLength;
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__le32 InformationBufferOffset;
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__le32 DeviceVcHandle;
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} rndis_set_msg_type;
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typedef struct rndis_set_cmplt_type {
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__le32 MessageType;
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__le32 MessageLength;
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__le32 RequestID;
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__le32 Status;
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} rndis_set_cmplt_type;
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typedef struct rndis_reset_msg_type {
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__le32 MessageType;
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__le32 MessageLength;
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__le32 Reserved;
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} rndis_reset_msg_type;
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typedef struct rndis_reset_cmplt_type {
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__le32 MessageType;
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__le32 MessageLength;
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__le32 Status;
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__le32 AddressingReset;
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} rndis_reset_cmplt_type;
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typedef struct rndis_indicate_status_msg_type {
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__le32 MessageType;
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__le32 MessageLength;
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__le32 Status;
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__le32 StatusBufferLength;
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__le32 StatusBufferOffset;
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} rndis_indicate_status_msg_type;
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typedef struct rndis_keepalive_msg_type {
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__le32 MessageType;
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__le32 MessageLength;
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__le32 RequestID;
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} rndis_keepalive_msg_type;
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typedef struct rndis_keepalive_cmplt_type {
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__le32 MessageType;
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__le32 MessageLength;
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__le32 RequestID;
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__le32 Status;
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} rndis_keepalive_cmplt_type;
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struct rndis_packet_msg_type {
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__le32 MessageType;
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__le32 MessageLength;
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__le32 DataOffset;
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__le32 DataLength;
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__le32 OOBDataOffset;
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__le32 OOBDataLength;
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__le32 NumOOBDataElements;
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__le32 PerPacketInfoOffset;
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__le32 PerPacketInfoLength;
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__le32 VcHandle;
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__le32 Reserved;
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} __attribute__ ((packed));
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struct rndis_config_parameter {
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__le32 ParameterNameOffset;
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__le32 ParameterNameLength;
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__le32 ParameterType;
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__le32 ParameterValueOffset;
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__le32 ParameterValueLength;
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};
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/* implementation specific */
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enum rndis_state {
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RNDIS_UNINITIALIZED,
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RNDIS_INITIALIZED,
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RNDIS_DATA_INITIALIZED,
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};
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typedef struct rndis_resp_t {
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struct list_head list;
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u8 *buf;
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u32 length;
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int send;
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} rndis_resp_t;
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typedef struct rndis_params {
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int confignr;
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u8 used;
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u16 saved_filter;
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enum rndis_state state;
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u32 medium;
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u32 speed;
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u32 media_state;
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const u8 *host_mac;
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u16 *filter;
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struct net_device *dev;
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u32 vendorID;
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const char *vendorDescr;
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void (*resp_avail)(void *v);
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void *v;
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struct list_head resp_queue;
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spinlock_t resp_lock;
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} rndis_params;
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/* RNDIS Message parser and other useless functions */
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int rndis_msg_parser(struct rndis_params *params, u8 *buf);
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struct rndis_params *rndis_register(void (*resp_avail)(void *v), void *v);
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void rndis_deregister(struct rndis_params *params);
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int rndis_set_param_dev(struct rndis_params *params, struct net_device *dev,
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u16 *cdc_filter);
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int rndis_set_param_vendor(struct rndis_params *params, u32 vendorID,
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const char *vendorDescr);
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int rndis_set_param_medium(struct rndis_params *params, u32 medium,
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u32 speed);
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void rndis_add_hdr(struct sk_buff *skb);
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int rndis_rm_hdr(struct gether *port, struct sk_buff *skb,
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struct sk_buff_head *list);
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u8 *rndis_get_next_response(struct rndis_params *params, u32 *length);
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void rndis_free_response(struct rndis_params *params, u8 *buf);
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void rndis_uninit(struct rndis_params *params);
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int rndis_signal_connect(struct rndis_params *params);
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int rndis_signal_disconnect(struct rndis_params *params);
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int rndis_state(struct rndis_params *params);
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extern void rndis_set_host_mac(struct rndis_params *params, const u8 *addr);
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#endif /* _LINUX_RNDIS_H */
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