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 CDC_ECM 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_cdc_ecm.h" 29 #include "ux_device_stack.h" 30 31 /**************************************************************************/ 32 /* */ 33 /* FUNCTION RELEASE */ 34 /* */ 35 /* _ux_device_class_cdc_ecm_control_request PORTABLE C */ 36 /* 6.1.12 */ 37 /* AUTHOR */ 38 /* */ 39 /* Chaoqiong Xiao, Microsoft Corporation */ 40 /* */ 41 /* DESCRIPTION */ 42 /* */ 43 /* This function manages the based sent by the host on the control */ 44 /* endpoints with a CLASS or VENDOR SPECIFIC type. */ 45 /* */ 46 /* INPUT */ 47 /* */ 48 /* cdc_ecm Pointer to cdc_ecm class */ 49 /* */ 50 /* OUTPUT */ 51 /* */ 52 /* None */ 53 /* */ 54 /* CALLS */ 55 /* */ 56 /* _ux_utility_short_get Get 16-bit value */ 57 /* */ 58 /* CALLED BY */ 59 /* */ 60 /* CDC_ECM 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 /* 07-29-2022 Chaoqiong Xiao Modified comment(s), */ 70 /* fixed parameter/variable */ 71 /* names conflict C++ keyword, */ 72 /* resulting in version 6.1.12 */ 73 /* */ 74 /**************************************************************************/ _ux_device_class_cdc_ecm_control_request(UX_SLAVE_CLASS_COMMAND * command)75UINT _ux_device_class_cdc_ecm_control_request(UX_SLAVE_CLASS_COMMAND *command) 76 { 77 78 UX_SLAVE_TRANSFER *transfer_request; 79 UX_SLAVE_DEVICE *device; 80 ULONG request; 81 ULONG request_value; 82 UX_SLAVE_CLASS *class_ptr; 83 UX_SLAVE_CLASS_CDC_ECM *cdc_ecm; 84 85 /* Get the pointer to the device. */ 86 device = &_ux_system_slave -> ux_system_slave_device; 87 88 /* Get the pointer to the transfer request associated with the control endpoint. */ 89 transfer_request = &device -> ux_slave_device_control_endpoint.ux_slave_endpoint_transfer_request; 90 91 /* Extract all necessary fields of the request. */ 92 request = *(transfer_request -> ux_slave_transfer_request_setup + UX_SETUP_REQUEST); 93 request_value = _ux_utility_short_get(transfer_request -> ux_slave_transfer_request_setup + UX_SETUP_VALUE); 94 95 /* Get the class container. */ 96 class_ptr = command -> ux_slave_class_command_class_ptr; 97 98 /* Get the cdc_ecm instance from this class container. */ 99 cdc_ecm = (UX_SLAVE_CLASS_CDC_ECM *) class_ptr -> ux_slave_class_instance; 100 101 /* Here we proceed only the standard request we know of at the device level. */ 102 switch (request) 103 { 104 105 case UX_DEVICE_CLASS_CDC_ECM_SET_ETHERNET_MULTICAST_FILTER : 106 107 /* Save the multicast filter. */ 108 cdc_ecm -> ux_slave_class_cdc_ecm_ethernet_multicast_filter = request_value; 109 break ; 110 111 case UX_DEVICE_CLASS_CDC_ECM_SET_ETHERNET_POWER_MANAGEMENT_FILTER : 112 113 /* Save the power management filter. */ 114 cdc_ecm -> ux_slave_class_cdc_ecm_ethernet_power_management_filter = request_value; 115 break ; 116 117 case UX_DEVICE_CLASS_CDC_ECM_SET_ETHERNET_PACKET_FILTER : 118 119 /* Save the packet filter. */ 120 cdc_ecm -> ux_slave_class_cdc_ecm_ethernet_packet_filter = request_value; 121 break ; 122 123 case UX_DEVICE_CLASS_CDC_ECM_GET_ETHERNET_POWER_MANAGEMENT_FILTER : 124 default: 125 126 /* Unknown function. It's not handled. */ 127 return(UX_ERROR); 128 } 129 130 /* It's handled. */ 131 return(UX_SUCCESS); 132 } 133 134
