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luban-lite/packages/third-party/cherryusb/class/wireless/usbd_rndis.c
刘可亮 564e22b32f v0.7.5
2023-08-28 09:48:01 +08:00

425 lines
14 KiB
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/**
* @file usbd_rndis.c
* @brief
*
* Copyright (c) 2022 sakumisu
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
*/
#include "usbd_core.h"
#include "usbd_rndis.h"
#include "rndis_protocol.h"
#define RNDIS_INQUIRY_PUT(src, len) (memcpy(infomation_buffer, src, len))
#define RNDIS_INQUIRY_PUT_LE32(value) (*(uint32_t *)infomation_buffer = (value))
/* Device data structure */
struct usbd_rndis_cfg_priv {
uint32_t drv_version;
uint32_t media_status;
uint32_t speed;
uint32_t mtu;
uint32_t net_filter;
usb_eth_stat_t eth_state;
rndis_state_t init_state;
uint8_t mac[6];
uint32_t vendor_id;
uint8_t *vendor_desc;
} usbd_rndis_cfg = { .drv_version = 0x0001,
.media_status = NDIS_MEDIA_STATE_DISCONNECTED,
.mtu = RNDIS_MTU,
.speed = 0,
.init_state = rndis_uninitialized,
.mac = { 0x00, 0x00, 0x5E, 0x00, 0x53, 0x01 },
.vendor_id = 0xffffffff,
.vendor_desc = "CherryUSB" };
/* RNDIS options list */
const uint32_t oid_supported_list[] = {
OID_GEN_SUPPORTED_LIST,
OID_GEN_HARDWARE_STATUS,
OID_GEN_MEDIA_SUPPORTED,
OID_GEN_MEDIA_IN_USE,
OID_GEN_MAXIMUM_FRAME_SIZE,
OID_GEN_LINK_SPEED,
OID_GEN_TRANSMIT_BLOCK_SIZE,
OID_GEN_RECEIVE_BLOCK_SIZE,
OID_GEN_VENDOR_ID,
OID_GEN_VENDOR_DESCRIPTION,
OID_GEN_VENDOR_DRIVER_VERSION,
OID_GEN_CURRENT_PACKET_FILTER,
OID_GEN_MAXIMUM_TOTAL_SIZE,
OID_GEN_PROTOCOL_OPTIONS,
OID_GEN_MAC_OPTIONS,
OID_GEN_MEDIA_CONNECT_STATUS,
OID_GEN_MAXIMUM_SEND_PACKETS,
OID_802_3_PERMANENT_ADDRESS,
OID_802_3_CURRENT_ADDRESS,
OID_802_3_MULTICAST_LIST,
OID_802_3_MAXIMUM_LIST_SIZE,
OID_802_3_MAC_OPTIONS
};
static uint8_t rndis_encapsulated_resp_buffer[CONFIG_RNDIS_RESP_BUFFER_SIZE];
static int rndis_encapsulated_cmd_handler(uint8_t *data, uint32_t len);
// static int rndis_encapsulated_resp_handler(uint8_t *data, uint32_t *len);
static void rndis_notify_rsp(void);
/**
* @brief Handler called for Class requests not handled by the USB stack.
*
* @param setup Information about the request to execute.
* @param len Size of the buffer.
* @param data Buffer containing the request result.
*
* @return 0 on success, negative errno code on fail.
*/
static int rndis_class_request_handler(struct usb_setup_packet *setup, uint8_t **data, uint32_t *len)
{
switch (setup->bRequest) {
case CDC_REQUEST_SEND_ENCAPSULATED_COMMAND:
rndis_encapsulated_cmd_handler(data, len);
break;
case CDC_REQUEST_GET_ENCAPSULATED_RESPONSE:
*data = rndis_encapsulated_resp_buffer;
*len = ((rndis_generic_msg_t *)rndis_encapsulated_resp_buffer)->MessageLength;
break;
default:
return -1;
}
}
static void rndis_notify_rsp(void)
{
uint8_t notify_buf[8] = { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
usbd_ep_write(0x81, notify_buf, 8, NULL);
}
static int rndis_init_cmd_handler(uint8_t *data, uint32_t len);
static int rndis_halt_cmd_handler(uint8_t *data, uint32_t len);
static int rndis_query_cmd_handler(uint8_t *data, uint32_t len);
static int rndis_set_cmd_handler(uint8_t *data, uint32_t len);
static int rndis_reset_cmd_handler(uint8_t *data, uint32_t len);
static int rndis_keepalive_cmd_handler(uint8_t *data, uint32_t len);
static int rndis_encapsulated_cmd_handler(uint8_t *data, uint32_t len)
{
switch (((rndis_generic_msg_t *)data)->MessageType) {
case REMOTE_NDIS_INITIALIZE_MSG:
rndis_init_cmd_handler(data, len);
break;
case REMOTE_NDIS_HALT_MSG:
rndis_halt_cmd_handler(data, len);
break;
case REMOTE_NDIS_QUERY_MSG:
rndis_query_cmd_handler(data, len);
break;
case REMOTE_NDIS_SET_MSG:
rndis_set_cmd_handler(data, len);
break;
case REMOTE_NDIS_RESET_MSG:
rndis_reset_cmd_handler(data, len);
break;
case REMOTE_NDIS_KEEPALIVE_MSG:
rndis_keepalive_cmd_handler(data, len);
break;
default:
break;
}
}
static int rndis_init_cmd_handler(uint8_t *data, uint32_t len)
{
rndis_initialize_msg_t *cmd = (rndis_initialize_msg_t *)data;
rndis_initialize_cmplt_t *resp;
resp = ((rndis_initialize_cmplt_t *)rndis_encapsulated_resp_buffer);
resp->RequestId = cmd->RequestId;
resp->MessageType = REMOTE_NDIS_INITIALIZE_CMPLT;
resp->MessageLength = sizeof(rndis_initialize_cmplt_t);
resp->MajorVersion = RNDIS_MAJOR_VERSION;
resp->MinorVersion = RNDIS_MINOR_VERSION;
resp->Status = RNDIS_STATUS_SUCCESS;
resp->DeviceFlags = RNDIS_DF_CONNECTIONLESS;
resp->Medium = RNDIS_MEDIUM_802_3;
resp->MaxPacketsPerTransfer = 1;
resp->MaxTransferSize = usbd_rndis_cfg.mtu + ETH_HEADER_SIZE + sizeof(rndis_data_packet_t);
resp->PacketAlignmentFactor = 0;
resp->AfListOffset = 0;
resp->AfListSize = 0;
usbd_rndis_cfg.init_state = rndis_initialized;
rndis_notify_rsp();
return 0;
}
static int rndis_halt_cmd_handler(uint8_t *data, uint32_t len)
{
usbd_rndis_cfg.init_state = rndis_uninitialized;
return 0;
}
static int rndis_query_cmd_handler(uint8_t *data, uint32_t len)
{
rndis_query_msg_t *cmd = (rndis_initialize_msg_t *)data;
rndis_query_cmplt_t *resp;
uint8_t *infomation_buffer;
uint32_t infomation_len = 0;
resp = ((rndis_initialize_cmplt_t *)rndis_encapsulated_resp_buffer);
resp->Status = RNDIS_STATUS_SUCCESS;
resp->RequestId = cmd->RequestId;
resp->MessageType = REMOTE_NDIS_QUERY_CMPLT;
resp->InformationBufferOffset = 16;
infomation_buffer = (uint8_t *)resp + sizeof(rndis_initialize_cmplt_t);
switch (cmd->Oid) {
case OID_GEN_SUPPORTED_LIST:
RNDIS_INQUIRY_PUT(oid_supported_list, sizeof(oid_supported_list));
infomation_len = sizeof(oid_supported_list);
break;
case OID_GEN_VENDOR_DRIVER_VERSION:
RNDIS_INQUIRY_PUT_LE32(usbd_rndis_cfg.drv_version);
infomation_len = 4;
break;
case OID_802_3_CURRENT_ADDRESS:
RNDIS_INQUIRY_PUT(usbd_rndis_cfg.mac, 6);
infomation_len = 6;
break;
case OID_802_3_PERMANENT_ADDRESS:
RNDIS_INQUIRY_PUT(usbd_rndis_cfg.mac, 6);
infomation_len = 6;
break;
case OID_GEN_MEDIA_SUPPORTED:
RNDIS_INQUIRY_PUT_LE32(NDIS_MEDIUM_802_3);
infomation_len = 4;
break;
case OID_GEN_MEDIA_IN_USE:
RNDIS_INQUIRY_PUT_LE32(NDIS_MEDIUM_802_3);
infomation_len = 4;
break;
case OID_GEN_PHYSICAL_MEDIUM:
RNDIS_INQUIRY_PUT_LE32(NDIS_MEDIUM_802_3);
infomation_len = 4;
break;
case OID_GEN_HARDWARE_STATUS:
RNDIS_INQUIRY_PUT_LE32(0);
infomation_len = 4;
break;
case OID_GEN_LINK_SPEED:
RNDIS_INQUIRY_PUT_LE32(RNDIS_LINK_SPEED / 100);
infomation_len = 4;
break;
case OID_GEN_VENDOR_ID:
RNDIS_INQUIRY_PUT_LE32(usbd_rndis_cfg.vendor_id);
infomation_len = 4;
break;
case OID_GEN_VENDOR_DESCRIPTION:
RNDIS_INQUIRY_PUT(usbd_rndis_cfg.vendor_desc, strlen(usbd_rndis_cfg.vendor_desc) + 1);
infomation_len = (strlen(usbd_rndis_cfg.vendor_desc) + 1);
break;
case OID_GEN_CURRENT_PACKET_FILTER:
RNDIS_INQUIRY_PUT_LE32(0x00FFFFFF);
infomation_len = 4;
break;
case OID_GEN_MAXIMUM_FRAME_SIZE:
RNDIS_INQUIRY_PUT_LE32(usbd_rndis_cfg.mtu);
infomation_len = 4;
break;
case OID_GEN_MAXIMUM_TOTAL_SIZE:
case OID_GEN_TRANSMIT_BLOCK_SIZE:
case OID_GEN_RECEIVE_BLOCK_SIZE:
RNDIS_INQUIRY_PUT_LE32(usbd_rndis_cfg.mtu + ETH_HEADER_SIZE + sizeof(rndis_data_packet_t));
infomation_len = 4;
break;
case OID_GEN_MEDIA_CONNECT_STATUS:
RNDIS_INQUIRY_PUT_LE32(usbd_rndis_cfg.media_status);
infomation_len = 4;
break;
case OID_GEN_RNDIS_CONFIG_PARAMETER:
RNDIS_INQUIRY_PUT_LE32(0);
infomation_len = 4;
break;
case OID_802_3_MAXIMUM_LIST_SIZE:
RNDIS_INQUIRY_PUT_LE32(1); /* one address */
infomation_len = 4;
break;
case OID_802_3_MULTICAST_LIST:
RNDIS_INQUIRY_PUT_LE32(0xE0000000); /* 224.0.0.0 */
infomation_len = 4;
break;
case OID_802_3_MAC_OPTIONS:
infomation_len = 0;
break;
case OID_GEN_MAC_OPTIONS:
RNDIS_INQUIRY_PUT_LE32(0);
infomation_len = 4;
break;
case OID_802_3_RCV_ERROR_ALIGNMENT:
RNDIS_INQUIRY_PUT_LE32(0);
infomation_len = 4;
break;
case OID_802_3_XMIT_ONE_COLLISION:
RNDIS_INQUIRY_PUT_LE32(0);
infomation_len = 4;
break;
case OID_802_3_XMIT_MORE_COLLISIONS:
RNDIS_INQUIRY_PUT_LE32(0);
infomation_len = 4;
break;
case OID_GEN_XMIT_OK:
RNDIS_INQUIRY_PUT_LE32(usbd_rndis_cfg.eth_state.txok);
infomation_len = 4;
break;
case OID_GEN_RCV_OK:
RNDIS_INQUIRY_PUT_LE32(usbd_rndis_cfg.eth_state.rxok);
infomation_len = 4;
break;
case OID_GEN_RCV_ERROR:
RNDIS_INQUIRY_PUT_LE32(usbd_rndis_cfg.eth_state.rxbad);
infomation_len = 4;
break;
case OID_GEN_XMIT_ERROR:
RNDIS_INQUIRY_PUT_LE32(usbd_rndis_cfg.eth_state.txbad);
infomation_len = 4;
break;
case OID_GEN_RCV_NO_BUFFER:
RNDIS_INQUIRY_PUT_LE32(0);
infomation_len = 4;
break;
default:
resp->Status = RNDIS_STATUS_NOT_SUPPORTED;
USB_LOG_WRN("Unhandled query for Object ID 0x%x\r\n", cmd->Oid);
break;
}
resp->MessageLength = sizeof(rndis_query_cmplt_t) + infomation_len;
resp->InformationBufferLength = infomation_len;
rndis_notify_rsp();
return 0;
}
static int rndis_set_cmd_handler(uint8_t *data, uint32_t len)
{
rndis_set_msg_t *cmd = (rndis_set_msg_t *)data;
rndis_set_cmplt_t *resp;
rndis_config_parameter_t *param;
resp = ((rndis_set_cmplt_t *)rndis_encapsulated_resp_buffer);
resp->RequestId = cmd->RequestId;
resp->MessageType = REMOTE_NDIS_SET_CMPLT;
resp->MessageLength = sizeof(rndis_set_cmplt_t);
resp->Status = RNDIS_STATUS_SUCCESS;
switch (cmd->Oid) {
case OID_GEN_RNDIS_CONFIG_PARAMETER:
break;
case OID_GEN_CURRENT_PACKET_FILTER:
if (cmd->InformationBufferLength < sizeof(usbd_rndis_cfg.net_filter)) {
resp->Status = RNDIS_STATUS_INVALID_DATA;
} else {
/* Parameter starts at offset buf_offset of the req_id field */
param = (rndis_config_parameter_t *)((uint8_t *)&cmd->RequestId + cmd->InformationBufferOffset);
//usbd_rndis_cfg.net_filter = param->ParameterNameOffset;
}
break;
case OID_GEN_CURRENT_LOOKAHEAD:
break;
case OID_GEN_PROTOCOL_OPTIONS:
break;
case OID_802_3_MULTICAST_LIST:
break;
case OID_PNP_ADD_WAKE_UP_PATTERN:
case OID_PNP_REMOVE_WAKE_UP_PATTERN:
case OID_PNP_ENABLE_WAKE_UP:
default:
resp->Status = RNDIS_STATUS_FAILURE;
break;
}
rndis_notify_rsp();
return 0;
}
static int rndis_reset_cmd_handler(uint8_t *data, uint32_t len)
{
rndis_reset_msg_t *cmd = (rndis_reset_msg_t *)data;
rndis_reset_cmplt_t *resp;
resp = ((rndis_reset_cmplt_t *)rndis_encapsulated_resp_buffer);
resp->MessageType = REMOTE_NDIS_RESET_CMPLT;
resp->MessageLength = sizeof(rndis_reset_cmplt_t);
resp->Status = RNDIS_STATUS_SUCCESS;
resp->AddressingReset = 1;
rndis_notify_rsp();
return 0;
}
static int rndis_keepalive_cmd_handler(uint8_t *data, uint32_t len)
{
rndis_keepalive_msg_t *cmd = (rndis_keepalive_msg_t *)data;
rndis_keepalive_cmplt_t *resp;
resp = ((rndis_keepalive_cmplt_t *)rndis_encapsulated_resp_buffer);
resp->RequestId = cmd->RequestId;
resp->MessageType = REMOTE_NDIS_KEEPALIVE_CMPLT;
resp->MessageLength = sizeof(rndis_keepalive_cmplt_t);
resp->Status = RNDIS_STATUS_SUCCESS;
rndis_notify_rsp();
return 0;
}
static void rndis_notify_handler(uint8_t event, void *arg)
{
switch (event) {
case USBD_EVENT_RESET:
break;
default:
break;
}
}
void usbd_rndis_add_interface(usbd_class_t *devclass, usbd_interface_t *intf)
{
static usbd_class_t *last_class = NULL;
if (last_class != devclass) {
last_class = devclass;
usbd_class_register(devclass);
}
intf->class_handler = rndis_class_request_handler;
intf->custom_handler = NULL;
intf->vendor_handler = NULL;
intf->notify_handler = rndis_notify_handler;
usbd_class_add_interface(devclass, intf);
}
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