1 /***************************************************************************
2 * Copyright (c) 2024 Microsoft Corporation
3 *
4 * This program and the accompanying materials are made available under the
5 * terms of the MIT License which is available at
6 * https://opensource.org/licenses/MIT.
7 *
8 * SPDX-License-Identifier: MIT
9 **************************************************************************/
10
11 /**************************************************************************/
12 /**************************************************************************/
13 /** */
14 /** USBX Component */
15 /** */
16 /** Device RNDIS Class */
17 /** */
18 /**************************************************************************/
19 /**************************************************************************/
20
21 #define UX_SOURCE_CODE
22
23
24 /* Include necessary system files. */
25
26 #include "ux_api.h"
27 #include "ux_device_class_rndis.h"
28 #include "ux_device_stack.h"
29
30
31 /**************************************************************************/
32 /* */
33 /* FUNCTION RELEASE */
34 /* */
35 /* _ux_device_class_rndis_msg_reset PORTABLE C */
36 /* 6.1 */
37 /* AUTHOR */
38 /* */
39 /* Chaoqiong Xiao, Microsoft Corporation */
40 /* */
41 /* DESCRIPTION */
42 /* */
43 /* This function analyzes and replies to the MSG RESET */
44 /* */
45 /* INPUT */
46 /* */
47 /* rndis Pointer to rndis class */
48 /* transfer_request Pointer to the transfer request */
49 /* */
50 /* OUTPUT */
51 /* */
52 /* None */
53 /* */
54 /* CALLS */
55 /* */
56 /* _ux_utility_long_put Put 32-bit value */
57 /* */
58 /* CALLED BY */
59 /* */
60 /* RNDIS Class */
61 /* */
62 /* RELEASE HISTORY */
63 /* */
64 /* DATE NAME DESCRIPTION */
65 /* */
66 /* 05-19-2020 Chaoqiong Xiao Initial Version 6.0 */
67 /* 09-30-2020 Chaoqiong Xiao Modified comment(s), */
68 /* resulting in version 6.1 */
69 /* */
70 /**************************************************************************/
_ux_device_class_rndis_msg_reset(UX_SLAVE_CLASS_RNDIS * rndis,UX_SLAVE_TRANSFER * transfer_request)71 UINT _ux_device_class_rndis_msg_reset(UX_SLAVE_CLASS_RNDIS *rndis, UX_SLAVE_TRANSFER *transfer_request)
72 {
73
74 UCHAR *rndis_response;
75
76 UX_PARAMETER_NOT_USED(transfer_request);
77
78 /* If trace is enabled, insert this event into the trace buffer. */
79 UX_TRACE_IN_LINE_INSERT(UX_TRACE_DEVICE_CLASS_RNDIS_MSG_RESET, rndis, 0, 0, 0, UX_TRACE_DEVICE_CLASS_EVENTS, 0, 0)
80
81 /* Now prepare the response. */
82 rndis_response = rndis -> ux_slave_class_rndis_response;
83
84 /* First store the command. */
85 _ux_utility_long_put(rndis_response + UX_DEVICE_CLASS_RNDIS_CMPLT_RESET_MESSAGE_TYPE, UX_DEVICE_CLASS_RNDIS_CMPLT_RESET);
86
87 /* Then the length of the response. */
88 _ux_utility_long_put(rndis_response + UX_DEVICE_CLASS_RNDIS_CMPLT_RESET_MESSAGE_LENGTH, UX_DEVICE_CLASS_RNDIS_CMPLT_RESET_RESPONSE_LENGTH);
89
90 /* Force the status to SUCCESS. */
91 _ux_utility_long_put(rndis_response + UX_DEVICE_CLASS_RNDIS_CMPLT_RESET_STATUS, UX_DEVICE_CLASS_RNDIS_STATUS_SUCCESS);
92
93 /* Set Addressing Reset field: no need to resend multicast address list. */
94 _ux_utility_long_put(rndis_response + UX_DEVICE_CLASS_RNDIS_CMPLT_RESET_ADDRESSING_RESET, 0);
95
96 /* Set the response length. */
97 rndis -> ux_slave_class_rndis_response_length = UX_DEVICE_CLASS_RNDIS_CMPLT_RESET_RESPONSE_LENGTH;
98
99 /* We are done. Return UX_SUCCESS. */
100 return(UX_SUCCESS);
101 }
102
103
