diff options
Diffstat (limited to 'tinyusb/lib/networking/rndis_reports.c')
| -rwxr-xr-x | tinyusb/lib/networking/rndis_reports.c | 303 |
1 files changed, 303 insertions, 0 deletions
diff --git a/tinyusb/lib/networking/rndis_reports.c b/tinyusb/lib/networking/rndis_reports.c new file mode 100755 index 00000000..ee611c88 --- /dev/null +++ b/tinyusb/lib/networking/rndis_reports.c @@ -0,0 +1,303 @@ +/* + The original version of this code was lrndis/usbd_rndis_core.c from https://github.com/fetisov/lrndis + It has since been overhauled to suit this application +*/ + +/* + * The MIT License (MIT) + * + * Copyright (c) 2015 by Sergey Fetisov <fsenok@gmail.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include <stdalign.h> +#include <string.h> +#include "class/net/net_device.h" +#include "rndis_protocol.h" +#include "netif/ethernet.h" + +#define RNDIS_LINK_SPEED 12000000 /* Link baudrate (12Mbit/s for USB-FS) */ +#define RNDIS_VENDOR "TinyUSB" /* NIC vendor name */ + +static const uint8_t *const station_hwaddr = tud_network_mac_address; +static const uint8_t *const permanent_hwaddr = tud_network_mac_address; + +static usb_eth_stat_t usb_eth_stat = { 0, 0, 0, 0 }; +static uint32_t oid_packet_filter = 0x0000000; +static rndis_state_t rndis_state; + +CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN static uint8_t ndis_report[8] = { 0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }; + +static const uint32_t OIDSupportedList[] = +{ + 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 +}; + +#define OID_LIST_LENGTH TU_ARRAY_SIZE(OIDSupportedList) +#define ENC_BUF_SIZE (OID_LIST_LENGTH * 4 + 32) + +static void *encapsulated_buffer; + +static void rndis_report(void) +{ + netd_report(ndis_report, sizeof(ndis_report)); +} + +static void rndis_query_cmplt32(int status, uint32_t data) +{ + rndis_query_cmplt_t *c; + c = (rndis_query_cmplt_t *)encapsulated_buffer; + c->MessageType = REMOTE_NDIS_QUERY_CMPLT; + c->MessageLength = sizeof(rndis_query_cmplt_t) + 4; + c->InformationBufferLength = 4; + c->InformationBufferOffset = 16; + c->Status = status; + memcpy(c + 1, &data, sizeof(data)); + rndis_report(); +} + +static void rndis_query_cmplt(int status, const void *data, int size) +{ + rndis_query_cmplt_t *c; + c = (rndis_query_cmplt_t *)encapsulated_buffer; + c->MessageType = REMOTE_NDIS_QUERY_CMPLT; + c->MessageLength = sizeof(rndis_query_cmplt_t) + size; + c->InformationBufferLength = size; + c->InformationBufferOffset = 16; + c->Status = status; + memcpy(c + 1, data, size); + rndis_report(); +} + +#define MAC_OPT NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA | \ + NDIS_MAC_OPTION_RECEIVE_SERIALIZED | \ + NDIS_MAC_OPTION_TRANSFERS_NOT_PEND | \ + NDIS_MAC_OPTION_NO_LOOPBACK + +static const char *rndis_vendor = RNDIS_VENDOR; + +static void rndis_query(void) +{ + switch (((rndis_query_msg_t *)encapsulated_buffer)->Oid) + { + case OID_GEN_SUPPORTED_LIST: rndis_query_cmplt(RNDIS_STATUS_SUCCESS, OIDSupportedList, 4 * OID_LIST_LENGTH); return; + case OID_GEN_VENDOR_DRIVER_VERSION: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, 0x00001000); return; + case OID_802_3_CURRENT_ADDRESS: rndis_query_cmplt(RNDIS_STATUS_SUCCESS, station_hwaddr, 6); return; + case OID_802_3_PERMANENT_ADDRESS: rndis_query_cmplt(RNDIS_STATUS_SUCCESS, permanent_hwaddr, 6); return; + case OID_GEN_MEDIA_SUPPORTED: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, NDIS_MEDIUM_802_3); return; + case OID_GEN_MEDIA_IN_USE: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, NDIS_MEDIUM_802_3); return; + case OID_GEN_PHYSICAL_MEDIUM: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, NDIS_MEDIUM_802_3); return; + case OID_GEN_HARDWARE_STATUS: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, 0); return; + case OID_GEN_LINK_SPEED: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, RNDIS_LINK_SPEED / 100); return; + case OID_GEN_VENDOR_ID: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, 0x00FFFFFF); return; + case OID_GEN_VENDOR_DESCRIPTION: rndis_query_cmplt(RNDIS_STATUS_SUCCESS, rndis_vendor, strlen(rndis_vendor) + 1); return; + case OID_GEN_CURRENT_PACKET_FILTER: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, oid_packet_filter); return; + case OID_GEN_MAXIMUM_FRAME_SIZE: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, CFG_TUD_NET_MTU - SIZEOF_ETH_HDR); return; + case OID_GEN_MAXIMUM_TOTAL_SIZE: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, CFG_TUD_NET_MTU); return; + case OID_GEN_TRANSMIT_BLOCK_SIZE: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, CFG_TUD_NET_MTU); return; + case OID_GEN_RECEIVE_BLOCK_SIZE: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, CFG_TUD_NET_MTU); return; + case OID_GEN_MEDIA_CONNECT_STATUS: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, NDIS_MEDIA_STATE_CONNECTED); return; + case OID_GEN_RNDIS_CONFIG_PARAMETER: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, 0); return; + case OID_802_3_MAXIMUM_LIST_SIZE: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, 1); return; + case OID_802_3_MULTICAST_LIST: rndis_query_cmplt32(RNDIS_STATUS_NOT_SUPPORTED, 0); return; + case OID_802_3_MAC_OPTIONS: rndis_query_cmplt32(RNDIS_STATUS_NOT_SUPPORTED, 0); return; + case OID_GEN_MAC_OPTIONS: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, /*MAC_OPT*/ 0); return; + case OID_802_3_RCV_ERROR_ALIGNMENT: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, 0); return; + case OID_802_3_XMIT_ONE_COLLISION: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, 0); return; + case OID_802_3_XMIT_MORE_COLLISIONS: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, 0); return; + case OID_GEN_XMIT_OK: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, usb_eth_stat.txok); return; + case OID_GEN_RCV_OK: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, usb_eth_stat.rxok); return; + case OID_GEN_RCV_ERROR: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, usb_eth_stat.rxbad); return; + case OID_GEN_XMIT_ERROR: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, usb_eth_stat.txbad); return; + case OID_GEN_RCV_NO_BUFFER: rndis_query_cmplt32(RNDIS_STATUS_SUCCESS, 0); return; + default: rndis_query_cmplt(RNDIS_STATUS_FAILURE, NULL, 0); return; + } +} + +#define INFBUF ((uint8_t *)&(m->RequestId) + m->InformationBufferOffset) + +static void rndis_handle_config_parm(const char *data, int keyoffset, int valoffset, int keylen, int vallen) +{ + (void)data; + (void)keyoffset; + (void)valoffset; + (void)keylen; + (void)vallen; +} + +static void rndis_packetFilter(uint32_t newfilter) +{ + (void)newfilter; +} + +static void rndis_handle_set_msg(void) +{ + rndis_set_cmplt_t *c; + rndis_set_msg_t *m; + rndis_Oid_t oid; + + c = (rndis_set_cmplt_t *)encapsulated_buffer; + m = (rndis_set_msg_t *)encapsulated_buffer; + + oid = m->Oid; + c->MessageType = REMOTE_NDIS_SET_CMPLT; + c->MessageLength = sizeof(rndis_set_cmplt_t); + c->Status = RNDIS_STATUS_SUCCESS; + + switch (oid) + { + /* Parameters set up in 'Advanced' tab */ + case OID_GEN_RNDIS_CONFIG_PARAMETER: + { + rndis_config_parameter_t *p; + char *ptr = (char *)m; + ptr += sizeof(rndis_generic_msg_t); + ptr += m->InformationBufferOffset; + p = (rndis_config_parameter_t *) ((void*) ptr); + rndis_handle_config_parm(ptr, p->ParameterNameOffset, p->ParameterValueOffset, p->ParameterNameLength, p->ParameterValueLength); + } + break; + + /* Mandatory general OIDs */ + case OID_GEN_CURRENT_PACKET_FILTER: + memcpy(&oid_packet_filter, INFBUF, 4); + if (oid_packet_filter) + { + rndis_packetFilter(oid_packet_filter); + rndis_state = rndis_data_initialized; + } + else + { + rndis_state = rndis_initialized; + } + break; + + case OID_GEN_CURRENT_LOOKAHEAD: + break; + + case OID_GEN_PROTOCOL_OPTIONS: + break; + + /* Mandatory 802_3 OIDs */ + case OID_802_3_MULTICAST_LIST: + break; + + /* Power Managment: fails for now */ + case OID_PNP_ADD_WAKE_UP_PATTERN: + case OID_PNP_REMOVE_WAKE_UP_PATTERN: + case OID_PNP_ENABLE_WAKE_UP: + default: + c->Status = RNDIS_STATUS_FAILURE; + break; + } + + /* c->MessageID is same as before */ + rndis_report(); + return; +} + +void rndis_class_set_handler(uint8_t *data, int size) +{ + encapsulated_buffer = data; + (void)size; + + switch (((rndis_generic_msg_t *)encapsulated_buffer)->MessageType) + { + case REMOTE_NDIS_INITIALIZE_MSG: + { + rndis_initialize_cmplt_t *m; + m = ((rndis_initialize_cmplt_t *)encapsulated_buffer); + /* m->MessageID is same as before */ + m->MessageType = REMOTE_NDIS_INITIALIZE_CMPLT; + m->MessageLength = sizeof(rndis_initialize_cmplt_t); + m->MajorVersion = RNDIS_MAJOR_VERSION; + m->MinorVersion = RNDIS_MINOR_VERSION; + m->Status = RNDIS_STATUS_SUCCESS; + m->DeviceFlags = RNDIS_DF_CONNECTIONLESS; + m->Medium = RNDIS_MEDIUM_802_3; + m->MaxPacketsPerTransfer = 1; + m->MaxTransferSize = CFG_TUD_NET_MTU + sizeof(rndis_data_packet_t); + m->PacketAlignmentFactor = 0; + m->AfListOffset = 0; + m->AfListSize = 0; + rndis_state = rndis_initialized; + rndis_report(); + } + break; + + case REMOTE_NDIS_QUERY_MSG: + rndis_query(); + break; + + case REMOTE_NDIS_SET_MSG: + rndis_handle_set_msg(); + break; + + case REMOTE_NDIS_RESET_MSG: + { + rndis_reset_cmplt_t * m; + m = ((rndis_reset_cmplt_t *)encapsulated_buffer); + rndis_state = rndis_uninitialized; + m->MessageType = REMOTE_NDIS_RESET_CMPLT; + m->MessageLength = sizeof(rndis_reset_cmplt_t); + m->Status = RNDIS_STATUS_SUCCESS; + m->AddressingReset = 1; /* Make it look like we did something */ + /* m->AddressingReset = 0; - Windows halts if set to 1 for some reason */ + rndis_report(); + } + break; + + case REMOTE_NDIS_KEEPALIVE_MSG: + { + rndis_keepalive_cmplt_t * m; + m = (rndis_keepalive_cmplt_t *)encapsulated_buffer; + m->MessageType = REMOTE_NDIS_KEEPALIVE_CMPLT; + m->MessageLength = sizeof(rndis_keepalive_cmplt_t); + m->Status = RNDIS_STATUS_SUCCESS; + } + /* We have data to send back */ + rndis_report(); + break; + + default: + break; + } +} |