1 /* SPDX-License-Identifier: GPL-2.0 */
3 * RNDIS Definitions for Remote NDIS
5 * Authors: Benedikt Spranger, Pengutronix
6 * Robert Schwebel, Pengutronix
8 * This software was originally developed in conformance with
9 * Microsoft's Remote NDIS Specification License Agreement.
12 #ifndef _LINUX_RNDIS_H
13 #define _LINUX_RNDIS_H
15 #include <linux/rndis.h>
19 #define RNDIS_MAXIMUM_FRAME_SIZE 1518
20 #define RNDIS_MAX_TOTAL_SIZE 1558
22 typedef struct rndis_init_msg_type {
28 __le32 MaxTransferSize;
29 } rndis_init_msg_type;
31 typedef struct rndis_init_cmplt_type {
40 __le32 MaxPacketsPerTransfer;
41 __le32 MaxTransferSize;
42 __le32 PacketAlignmentFactor;
45 } rndis_init_cmplt_type;
47 typedef struct rndis_halt_msg_type {
51 } rndis_halt_msg_type;
53 typedef struct rndis_query_msg_type {
58 __le32 InformationBufferLength;
59 __le32 InformationBufferOffset;
60 __le32 DeviceVcHandle;
61 } rndis_query_msg_type;
63 typedef struct rndis_query_cmplt_type {
68 __le32 InformationBufferLength;
69 __le32 InformationBufferOffset;
70 } rndis_query_cmplt_type;
72 typedef struct rndis_set_msg_type {
77 __le32 InformationBufferLength;
78 __le32 InformationBufferOffset;
79 __le32 DeviceVcHandle;
82 typedef struct rndis_set_cmplt_type {
87 } rndis_set_cmplt_type;
89 typedef struct rndis_reset_msg_type {
93 } rndis_reset_msg_type;
95 typedef struct rndis_reset_cmplt_type {
99 __le32 AddressingReset;
100 } rndis_reset_cmplt_type;
102 typedef struct rndis_indicate_status_msg_type {
104 __le32 MessageLength;
106 __le32 StatusBufferLength;
107 __le32 StatusBufferOffset;
108 } rndis_indicate_status_msg_type;
110 typedef struct rndis_keepalive_msg_type {
112 __le32 MessageLength;
114 } rndis_keepalive_msg_type;
116 typedef struct rndis_keepalive_cmplt_type {
118 __le32 MessageLength;
121 } rndis_keepalive_cmplt_type;
123 struct rndis_packet_msg_type {
125 __le32 MessageLength;
128 __le32 OOBDataOffset;
129 __le32 OOBDataLength;
130 __le32 NumOOBDataElements;
131 __le32 PerPacketInfoOffset;
132 __le32 PerPacketInfoLength;
135 } __attribute__ ((packed));
137 struct rndis_config_parameter {
138 __le32 ParameterNameOffset;
139 __le32 ParameterNameLength;
140 __le32 ParameterType;
141 __le32 ParameterValueOffset;
142 __le32 ParameterValueLength;
145 /* implementation specific */
149 RNDIS_DATA_INITIALIZED,
152 typedef struct rndis_resp_t {
153 struct list_head list;
159 typedef struct rndis_params {
163 enum rndis_state state;
170 struct net_device *dev;
173 const char *vendorDescr;
174 void (*resp_avail)(void *v);
176 struct list_head resp_queue;
177 spinlock_t resp_lock;
180 /* RNDIS Message parser and other useless functions */
181 int rndis_msg_parser(struct rndis_params *params, u8 *buf);
182 struct rndis_params *rndis_register(void (*resp_avail)(void *v), void *v);
183 void rndis_deregister(struct rndis_params *params);
184 int rndis_set_param_dev(struct rndis_params *params, struct net_device *dev,
186 int rndis_set_param_vendor(struct rndis_params *params, u32 vendorID,
187 const char *vendorDescr);
188 int rndis_set_param_medium(struct rndis_params *params, u32 medium,
190 void rndis_add_hdr(struct sk_buff *skb);
191 int rndis_rm_hdr(struct gether *port, struct sk_buff *skb,
192 struct sk_buff_head *list);
193 u8 *rndis_get_next_response(struct rndis_params *params, u32 *length);
194 void rndis_free_response(struct rndis_params *params, u8 *buf);
196 void rndis_uninit(struct rndis_params *params);
197 int rndis_signal_connect(struct rndis_params *params);
198 int rndis_signal_disconnect(struct rndis_params *params);
199 int rndis_state(struct rndis_params *params);
200 extern void rndis_set_host_mac(struct rndis_params *params, const u8 *addr);
202 #endif /* _LINUX_RNDIS_H */