1 /**************************************************************************/
2 /* */
3 /* Copyright (c) Microsoft Corporation. All rights reserved. */
4 /* */
5 /* This software is licensed under the Microsoft Software License */
6 /* Terms for Microsoft Azure RTOS. Full text of the license can be */
7 /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
8 /* and in the root directory of this software. */
9 /* */
10 /**************************************************************************/
11
12 /**************************************************************************/
13 /**************************************************************************/
14 /** */
15 /** USBX Component */
16 /** */
17 /** Device RNDIS Class */
18 /** */
19 /**************************************************************************/
20 /**************************************************************************/
21
22 #define UX_SOURCE_CODE
23
24
25 /* Include necessary system files. */
26
27 #include "ux_api.h"
28 #include "ux_device_class_rndis.h"
29 #include "ux_device_stack.h"
30
31 /**************************************************************************/
32 /* */
33 /* FUNCTION RELEASE */
34 /* */
35 /* _ux_device_class_rndis_msg_set 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 SET */
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_get Get 32-bit value */
57 /* _ux_utility_long_put Put 32-bit value */
58 /* */
59 /* CALLED BY */
60 /* */
61 /* RNDIS Class */
62 /* */
63 /* RELEASE HISTORY */
64 /* */
65 /* DATE NAME DESCRIPTION */
66 /* */
67 /* 05-19-2020 Chaoqiong Xiao Initial Version 6.0 */
68 /* 09-30-2020 Chaoqiong Xiao Modified comment(s), */
69 /* resulting in version 6.1 */
70 /* */
71 /**************************************************************************/
_ux_device_class_rndis_msg_set(UX_SLAVE_CLASS_RNDIS * rndis,UX_SLAVE_TRANSFER * transfer_request)72 UINT _ux_device_class_rndis_msg_set(UX_SLAVE_CLASS_RNDIS *rndis, UX_SLAVE_TRANSFER *transfer_request)
73 {
74
75 UCHAR *rndis_msg;
76 UCHAR *rndis_response;
77 ULONG rndis_oid;
78 ULONG status;
79
80 /* Get the pointer to the RNDIS message. */
81 rndis_msg = transfer_request -> ux_slave_transfer_request_data_pointer;
82
83 /* Get the request ID and keep it for the response. */
84 rndis -> ux_slave_class_rndis_request_id = _ux_utility_long_get(rndis_msg + UX_DEVICE_CLASS_RNDIS_MSG_SET_REQUEST_ID);
85
86 /* Get the OID. */
87 rndis_oid = _ux_utility_long_get(rndis_msg + UX_DEVICE_CLASS_RNDIS_MSG_SET_OID);
88
89 /* If trace is enabled, insert this event into the trace buffer. */
90 UX_TRACE_IN_LINE_INSERT(UX_TRACE_DEVICE_CLASS_RNDIS_MSG_SET, rndis, rndis_oid, 0, 0, UX_TRACE_DEVICE_CLASS_EVENTS, 0, 0)
91
92 /* Now prepare the response. */
93 rndis_response = rndis -> ux_slave_class_rndis_response;
94
95 /* First store the command. */
96 _ux_utility_long_put(rndis_response + UX_DEVICE_CLASS_RNDIS_CMPLT_SET_MESSAGE_TYPE, UX_DEVICE_CLASS_RNDIS_CMPLT_SET);
97
98 /* Store the request ID. */
99 _ux_utility_long_put(rndis_response + UX_DEVICE_CLASS_RNDIS_CMPLT_SET_REQUEST_ID, rndis -> ux_slave_class_rndis_request_id);
100
101 /* By default the function will succeed. */
102 status = UX_DEVICE_CLASS_RNDIS_STATUS_SUCCESS;
103
104 /* What OID are we dealing here ? No need to treat OIDs but not sure so leave the code as is for now. */
105 switch (rndis_oid)
106 {
107
108 case UX_DEVICE_CLASS_RNDIS_OID_GEN_SUPPORTED_LIST :
109 case UX_DEVICE_CLASS_RNDIS_OID_GEN_MAXIMUM_FRAME_SIZE :
110 case UX_DEVICE_CLASS_RNDIS_OID_GEN_MEDIA_SUPPORTED :
111 case UX_DEVICE_CLASS_RNDIS_OID_GEN_MEDIA_IN_USE :
112 case UX_DEVICE_CLASS_RNDIS_OID_GEN_HARDWARE_STATUS :
113 case UX_DEVICE_CLASS_RNDIS_OID_GEN_PHYSICAL_MEDIUM :
114 case UX_DEVICE_CLASS_RNDIS_OID_GEN_MAXIMUM_TOTAL_SIZE :
115 case UX_DEVICE_CLASS_RNDIS_OID_GEN_LINK_SPEED :
116 case UX_DEVICE_CLASS_RNDIS_OID_GEN_MEDIA_CONNECT_STATUS :
117 case UX_DEVICE_CLASS_RNDIS_OID_GEN_XMIT_OK :
118 case UX_DEVICE_CLASS_RNDIS_OID_GEN_RCV_OK :
119 case UX_DEVICE_CLASS_RNDIS_OID_GEN_XMIT_ERROR :
120 case UX_DEVICE_CLASS_RNDIS_OID_GEN_RCV_ERROR :
121 case UX_DEVICE_CLASS_RNDIS_OID_GEN_RCV_NO_BUFFER :
122 default :
123 break;
124
125 }
126
127 /* Set the status field. */
128 _ux_utility_long_put(rndis_response + UX_DEVICE_CLASS_RNDIS_CMPLT_SET_STATUS, status);
129
130 /* Set the response length. */
131 rndis -> ux_slave_class_rndis_response_length = UX_DEVICE_CLASS_RNDIS_CMPLT_SET_RESPONSE_LENGTH;
132 _ux_utility_long_put(rndis_response + UX_DEVICE_CLASS_RNDIS_CMPLT_SET_MESSAGE_LENGTH, UX_DEVICE_CLASS_RNDIS_CMPLT_SET_RESPONSE_LENGTH);
133
134 /* We are done. Return UX_SUCCESS. */
135 return(status);
136 }
137
138
