| /* |
| * Ethernet over USB device |
| * |
| * Copyright (c) 2017 Intel Corporation |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #define SYS_LOG_LEVEL CONFIG_SYS_LOG_USB_DEVICE_NETWORK_DEBUG_LEVEL |
| #define SYS_LOG_DOMAIN "usb/net" |
| #include <logging/sys_log.h> |
| |
| /* Enable verbose debug printing extra hexdumps */ |
| #define VERBOSE_DEBUG 0 |
| |
| /* This enables basic hexdumps */ |
| #define NET_LOG_ENABLED 0 |
| #include <net_private.h> |
| |
| #include <init.h> |
| |
| #include <usb_device.h> |
| #include <usb_common.h> |
| #include <class/usb_cdc.h> |
| #include <net/ethernet.h> |
| |
| #include <usb_descriptor.h> |
| #include "netusb.h" |
| |
| #ifdef CONFIG_USB_DEVICE_NETWORK_RNDIS |
| struct usb_rndis_config { |
| #ifdef CONFIG_USB_COMPOSITE_DEVICE |
| struct usb_association_descriptor iad; |
| #endif |
| struct usb_if_descriptor if0; |
| struct cdc_header_descriptor if0_header; |
| struct cdc_cm_descriptor if0_cm; |
| struct cdc_acm_descriptor if0_acm; |
| struct cdc_union_descriptor if0_union; |
| struct usb_ep_descriptor if0_int_ep; |
| |
| struct usb_if_descriptor if1; |
| struct usb_ep_descriptor if1_in_ep; |
| struct usb_ep_descriptor if1_out_ep; |
| } __packed; |
| |
| USBD_CLASS_DESCR_DEFINE(primary) struct usb_rndis_config rndis_cfg = { |
| #ifdef CONFIG_USB_COMPOSITE_DEVICE |
| .iad = { |
| .bLength = sizeof(struct usb_association_descriptor), |
| .bDescriptorType = USB_ASSOCIATION_DESC, |
| .bFirstInterface = 0, |
| .bInterfaceCount = 0x02, |
| .bFunctionClass = COMMUNICATION_DEVICE_CLASS, |
| .bFunctionSubClass = 6, |
| .bFunctionProtocol = 0, |
| .iFunction = 0, |
| }, |
| #endif |
| /* Interface descriptor 0 */ |
| /* CDC Communication interface */ |
| .if0 = { |
| .bLength = sizeof(struct usb_if_descriptor), |
| .bDescriptorType = USB_INTERFACE_DESC, |
| .bInterfaceNumber = 0, |
| .bAlternateSetting = 0, |
| .bNumEndpoints = 1, |
| .bInterfaceClass = COMMUNICATION_DEVICE_CLASS, |
| .bInterfaceSubClass = ACM_SUBCLASS, |
| .bInterfaceProtocol = ACM_VENDOR_PROTOCOL, |
| .iInterface = 0, |
| }, |
| /* Header Functional Descriptor */ |
| .if0_header = { |
| .bFunctionLength = sizeof(struct cdc_header_descriptor), |
| .bDescriptorType = CS_INTERFACE, |
| .bDescriptorSubtype = HEADER_FUNC_DESC, |
| .bcdCDC = sys_cpu_to_le16(USB_1_1), |
| }, |
| /* Call Management Functional Descriptor */ |
| .if0_cm = { |
| .bFunctionLength = sizeof(struct cdc_cm_descriptor), |
| .bDescriptorType = CS_INTERFACE, |
| .bDescriptorSubtype = CALL_MANAGEMENT_FUNC_DESC, |
| .bmCapabilities = 0x00, |
| .bDataInterface = 1, |
| }, |
| /* ACM Functional Descriptor */ |
| .if0_acm = { |
| .bFunctionLength = sizeof(struct cdc_acm_descriptor), |
| .bDescriptorType = CS_INTERFACE, |
| .bDescriptorSubtype = ACM_FUNC_DESC, |
| /* Device supports the request combination of: |
| * Set_Line_Coding, |
| * Set_Control_Line_State, |
| * Get_Line_Coding |
| * and the notification Serial_State |
| */ |
| .bmCapabilities = 0x00, |
| }, |
| /* Union Functional Descriptor */ |
| .if0_union = { |
| .bFunctionLength = sizeof(struct cdc_union_descriptor), |
| .bDescriptorType = CS_INTERFACE, |
| .bDescriptorSubtype = UNION_FUNC_DESC, |
| .bControlInterface = 0, |
| .bSubordinateInterface0 = 1, |
| }, |
| /* Notification EP Descriptor */ |
| .if0_int_ep = { |
| .bLength = sizeof(struct usb_ep_descriptor), |
| .bDescriptorType = USB_ENDPOINT_DESC, |
| .bEndpointAddress = RNDIS_INT_EP_ADDR, |
| .bmAttributes = USB_DC_EP_INTERRUPT, |
| .wMaxPacketSize = |
| sys_cpu_to_le16( |
| CONFIG_RNDIS_INTERRUPT_EP_MPS), |
| .bInterval = 0x09, |
| }, |
| |
| /* Interface descriptor 1 */ |
| /* CDC Data Interface */ |
| .if1 = { |
| .bLength = sizeof(struct usb_if_descriptor), |
| .bDescriptorType = USB_INTERFACE_DESC, |
| .bInterfaceNumber = 1, |
| .bAlternateSetting = 0, |
| .bNumEndpoints = 2, |
| .bInterfaceClass = COMMUNICATION_DEVICE_CLASS_DATA, |
| .bInterfaceSubClass = 0, |
| .bInterfaceProtocol = 0, |
| .iInterface = 0, |
| }, |
| /* Data Endpoint IN */ |
| .if1_in_ep = { |
| .bLength = sizeof(struct usb_ep_descriptor), |
| .bDescriptorType = USB_ENDPOINT_DESC, |
| .bEndpointAddress = RNDIS_IN_EP_ADDR, |
| .bmAttributes = USB_DC_EP_BULK, |
| .wMaxPacketSize = |
| sys_cpu_to_le16( |
| CONFIG_RNDIS_BULK_EP_MPS), |
| .bInterval = 0x00, |
| }, |
| /* Data Endpoint OUT */ |
| .if1_out_ep = { |
| .bLength = sizeof(struct usb_ep_descriptor), |
| .bDescriptorType = USB_ENDPOINT_DESC, |
| .bEndpointAddress = RNDIS_OUT_EP_ADDR, |
| .bmAttributes = USB_DC_EP_BULK, |
| .wMaxPacketSize = |
| sys_cpu_to_le16( |
| CONFIG_RNDIS_BULK_EP_MPS), |
| .bInterval = 0x00, |
| }, |
| }; |
| #endif /* CONFIG_USB_DEVICE_NETWORK_RNDIS */ |
| |
| #ifdef CONFIG_USB_DEVICE_NETWORK_ECM |
| struct usb_cdc_ecm_config { |
| #ifdef CONFIG_USB_COMPOSITE_DEVICE |
| struct usb_association_descriptor iad; |
| #endif |
| struct usb_if_descriptor if0; |
| struct cdc_header_descriptor if0_header; |
| struct cdc_union_descriptor if0_union; |
| struct cdc_ecm_descriptor if0_netfun_ecm; |
| struct usb_ep_descriptor if0_int_ep; |
| |
| struct usb_if_descriptor if1_0; |
| |
| struct usb_if_descriptor if1_1; |
| struct usb_ep_descriptor if1_1_in_ep; |
| struct usb_ep_descriptor if1_1_out_ep; |
| } __packed; |
| |
| USBD_CLASS_DESCR_DEFINE(primary) struct usb_cdc_ecm_config cdc_ecm_cfg = { |
| #ifdef CONFIG_USB_COMPOSITE_DEVICE |
| .iad = { |
| .bLength = sizeof(struct usb_association_descriptor), |
| .bDescriptorType = USB_ASSOCIATION_DESC, |
| .bFirstInterface = 0, |
| .bInterfaceCount = 0x02, |
| .bFunctionClass = COMMUNICATION_DEVICE_CLASS, |
| .bFunctionSubClass = ECM_SUBCLASS, |
| .bFunctionProtocol = 0, |
| .iFunction = 0, |
| }, |
| #endif |
| /* Interface descriptor 0 */ |
| /* CDC Communication interface */ |
| .if0 = { |
| .bLength = sizeof(struct usb_if_descriptor), |
| .bDescriptorType = USB_INTERFACE_DESC, |
| .bInterfaceNumber = 0, |
| .bAlternateSetting = 0, |
| .bNumEndpoints = 1, |
| .bInterfaceClass = COMMUNICATION_DEVICE_CLASS, |
| .bInterfaceSubClass = ECM_SUBCLASS, |
| .bInterfaceProtocol = 0, |
| .iInterface = 0, |
| }, |
| /* Header Functional Descriptor */ |
| .if0_header = { |
| .bFunctionLength = sizeof(struct cdc_header_descriptor), |
| .bDescriptorType = CS_INTERFACE, |
| .bDescriptorSubtype = HEADER_FUNC_DESC, |
| .bcdCDC = sys_cpu_to_le16(USB_1_1), |
| }, |
| /* Union Functional Descriptor */ |
| .if0_union = { |
| .bFunctionLength = sizeof(struct cdc_union_descriptor), |
| .bDescriptorType = CS_INTERFACE, |
| .bDescriptorSubtype = UNION_FUNC_DESC, |
| .bControlInterface = 0, |
| .bSubordinateInterface0 = 1, |
| }, |
| /* Ethernet Networking Functional descriptor */ |
| .if0_netfun_ecm = { |
| .bFunctionLength = sizeof(struct cdc_ecm_descriptor), |
| .bDescriptorType = CS_INTERFACE, |
| .bDescriptorSubtype = ETHERNET_FUNC_DESC, |
| .iMACAddress = 4, |
| .bmEthernetStatistics = sys_cpu_to_le32(0), /* None */ |
| .wMaxSegmentSize = sys_cpu_to_le16(1514), |
| .wNumberMCFilters = sys_cpu_to_le16(0), /* None */ |
| .bNumberPowerFilters = 0, /* No wake up */ |
| }, |
| /* Notification EP Descriptor */ |
| .if0_int_ep = { |
| .bLength = sizeof(struct usb_ep_descriptor), |
| .bDescriptorType = USB_ENDPOINT_DESC, |
| .bEndpointAddress = CDC_ECM_INT_EP_ADDR, |
| .bmAttributes = USB_DC_EP_INTERRUPT, |
| .wMaxPacketSize = |
| sys_cpu_to_le16( |
| CONFIG_CDC_ECM_INTERRUPT_EP_MPS), |
| .bInterval = 0x09, |
| }, |
| |
| /* Interface descriptor 1/0 */ |
| /* CDC Data Interface */ |
| .if1_0 = { |
| .bLength = sizeof(struct usb_if_descriptor), |
| .bDescriptorType = USB_INTERFACE_DESC, |
| .bInterfaceNumber = 1, |
| .bAlternateSetting = 0, |
| .bNumEndpoints = 0, |
| .bInterfaceClass = COMMUNICATION_DEVICE_CLASS_DATA, |
| .bInterfaceSubClass = 0, |
| .bInterfaceProtocol = 0, |
| .iInterface = 0, |
| }, |
| |
| /* Interface descriptor 1/1 */ |
| /* CDC Data Interface */ |
| .if1_1 = { |
| .bLength = sizeof(struct usb_if_descriptor), |
| .bDescriptorType = USB_INTERFACE_DESC, |
| .bInterfaceNumber = 1, |
| .bAlternateSetting = 1, |
| .bNumEndpoints = 2, |
| .bInterfaceClass = COMMUNICATION_DEVICE_CLASS_DATA, |
| .bInterfaceSubClass = ECM_SUBCLASS, |
| .bInterfaceProtocol = 0, |
| .iInterface = 0, |
| }, |
| /* Data Endpoint IN */ |
| .if1_1_in_ep = { |
| .bLength = sizeof(struct usb_ep_descriptor), |
| .bDescriptorType = USB_ENDPOINT_DESC, |
| .bEndpointAddress = CDC_ECM_IN_EP_ADDR, |
| .bmAttributes = USB_DC_EP_BULK, |
| .wMaxPacketSize = |
| sys_cpu_to_le16( |
| CONFIG_CDC_ECM_BULK_EP_MPS), |
| .bInterval = 0x00, |
| }, |
| /* Data Endpoint OUT */ |
| .if1_1_out_ep = { |
| .bLength = sizeof(struct usb_ep_descriptor), |
| .bDescriptorType = USB_ENDPOINT_DESC, |
| .bEndpointAddress = CDC_ECM_OUT_EP_ADDR, |
| .bmAttributes = USB_DC_EP_BULK, |
| .wMaxPacketSize = |
| sys_cpu_to_le16( |
| CONFIG_CDC_ECM_BULK_EP_MPS), |
| .bInterval = 0x00, |
| }, |
| }; |
| |
| struct usb_cdc_ecm_mac_descr { |
| u8_t bLength; |
| u8_t bDescriptorType; |
| u8_t bString[USB_BSTRING_LENGTH(CONFIG_USB_DEVICE_NETWORK_ECM_MAC)]; |
| } __packed; |
| |
| USBD_STRING_DESCR_DEFINE(primary) struct usb_cdc_ecm_mac_descr utf16le_mac = { |
| .bLength = USB_STRING_DESCRIPTOR_LENGTH( |
| CONFIG_USB_DEVICE_NETWORK_ECM_MAC), |
| .bDescriptorType = USB_STRING_DESC, |
| .bString = CONFIG_USB_DEVICE_NETWORK_ECM_MAC |
| }; |
| #endif |
| |
| #ifdef CONFIG_USB_DEVICE_NETWORK_EEM |
| struct usb_cdc_eem_config { |
| struct usb_if_descriptor if0; |
| struct usb_ep_descriptor if0_in_ep; |
| struct usb_ep_descriptor if0_out_ep; |
| } __packed; |
| |
| USBD_CLASS_DESCR_DEFINE(primary) struct usb_cdc_eem_config cdc_eem_cfg = { |
| /* Interface descriptor 0 */ |
| /* CDC Communication interface */ |
| .if0 = { |
| .bLength = sizeof(struct usb_if_descriptor), |
| .bDescriptorType = USB_INTERFACE_DESC, |
| .bInterfaceNumber = 0, |
| .bAlternateSetting = 0, |
| .bNumEndpoints = 2, |
| .bInterfaceClass = COMMUNICATION_DEVICE_CLASS, |
| .bInterfaceSubClass = EEM_SUBCLASS, |
| .bInterfaceProtocol = EEM_PROTOCOL, |
| .iInterface = 0, |
| }, |
| |
| /* Data Endpoint IN */ |
| .if0_in_ep = { |
| .bLength = sizeof(struct usb_ep_descriptor), |
| .bDescriptorType = USB_ENDPOINT_DESC, |
| .bEndpointAddress = CDC_EEM_IN_EP_ADDR, |
| .bmAttributes = USB_DC_EP_BULK, |
| .wMaxPacketSize = |
| sys_cpu_to_le16( |
| CONFIG_CDC_EEM_BULK_EP_MPS), |
| .bInterval = 0x00, |
| }, |
| |
| /* Data Endpoint OUT */ |
| .if0_out_ep = { |
| .bLength = sizeof(struct usb_ep_descriptor), |
| .bDescriptorType = USB_ENDPOINT_DESC, |
| .bEndpointAddress = CDC_EEM_OUT_EP_ADDR, |
| .bmAttributes = USB_DC_EP_BULK, |
| .wMaxPacketSize = |
| sys_cpu_to_le16( |
| CONFIG_CDC_EEM_BULK_EP_MPS), |
| .bInterval = 0x00, |
| }, |
| }; |
| #endif /* CONFIG_USB_DEVICE_NETWORK_EEM */ |
| |
| static struct __netusb { |
| struct net_if *iface; |
| bool enabled; |
| struct netusb_function *func; |
| } netusb; |
| |
| static int netusb_class_handler(struct usb_setup_packet *setup, |
| s32_t *len, u8_t **data); |
| |
| static void netusb_interface_config(u8_t bInterfaceNumber) |
| { |
| #ifdef CONFIG_USB_DEVICE_NETWORK_ECM |
| int idx = usb_get_str_descriptor_idx(&utf16le_mac); |
| |
| if (idx) { |
| SYS_LOG_DBG("fixup string %d", idx); |
| cdc_ecm_cfg.if0_netfun_ecm.iMACAddress = idx; |
| } |
| |
| cdc_ecm_cfg.if0.bInterfaceNumber = bInterfaceNumber; |
| cdc_ecm_cfg.if0_union.bControlInterface = bInterfaceNumber; |
| cdc_ecm_cfg.if0_union.bSubordinateInterface0 = bInterfaceNumber + 1; |
| cdc_ecm_cfg.if1_0.bInterfaceNumber = bInterfaceNumber + 1; |
| cdc_ecm_cfg.if1_1.bInterfaceNumber = bInterfaceNumber + 1; |
| #ifdef CONFIG_USB_COMPOSITE_DEVICE |
| cdc_ecm_cfg.iad.bFirstInterface = bInterfaceNumber; |
| #endif |
| #endif |
| #ifdef CONFIG_USB_DEVICE_NETWORK_RNDIS |
| rndis_cfg.if0.bInterfaceNumber = bInterfaceNumber; |
| rndis_cfg.if0_union.bControlInterface = bInterfaceNumber; |
| rndis_cfg.if0_union.bSubordinateInterface0 = bInterfaceNumber + 1; |
| rndis_cfg.if1.bInterfaceNumber = bInterfaceNumber + 1; |
| #ifdef CONFIG_USB_COMPOSITE_DEVICE |
| rndis_cfg.iad.bFirstInterface = bInterfaceNumber; |
| #endif |
| #endif |
| #ifdef CONFIG_USB_DEVICE_NETWORK_EEM |
| cdc_eem_cfg.if0.bInterfaceNumber = bInterfaceNumber; |
| #endif |
| } |
| |
| #if !defined(CONFIG_USB_COMPOSITE_DEVICE) |
| /* TODO: FIXME: correct buffer size */ |
| static u8_t interface_data[300]; |
| #endif |
| |
| USBD_CFG_DATA_DEFINE(netusb) struct usb_cfg_data netusb_config = { |
| .usb_device_description = NULL, |
| .interface_config = netusb_interface_config, |
| #ifdef CONFIG_USB_DEVICE_NETWORK_RNDIS |
| .interface_descriptor = &rndis_cfg.if0, |
| #endif |
| #ifdef CONFIG_USB_DEVICE_NETWORK_ECM |
| .interface_descriptor = &cdc_ecm_cfg.if0, |
| #endif |
| #ifdef CONFIG_USB_DEVICE_NETWORK_EEM |
| .interface_descriptor = &cdc_eem_cfg.if0, |
| #endif |
| .cb_usb_status = NULL, |
| .interface = { |
| .class_handler = netusb_class_handler, |
| .custom_handler = NULL, |
| .vendor_handler = NULL, |
| .payload_data = NULL, |
| }, |
| }; |
| |
| static int netusb_send(struct net_if *iface, struct net_pkt *pkt) |
| { |
| int ret; |
| |
| SYS_LOG_DBG("Send pkt, len %u", net_pkt_get_len(pkt)); |
| |
| if (!netusb.enabled) { |
| SYS_LOG_ERR("interface disabled"); |
| return -ENODEV; |
| } |
| |
| ret = netusb.func->send_pkt(pkt); |
| if (ret) { |
| return ret; |
| } |
| |
| net_pkt_unref(pkt); |
| return 0; |
| } |
| |
| void netusb_recv(struct net_pkt *pkt) |
| { |
| SYS_LOG_DBG("Recv pkt, len %u", net_pkt_get_len(pkt)); |
| |
| if (net_recv_data(netusb.iface, pkt) < 0) { |
| SYS_LOG_ERR("Packet %p dropped by NET stack", pkt); |
| net_pkt_unref(pkt); |
| } |
| } |
| |
| static int netusb_connect_media(void) |
| { |
| SYS_LOG_DBG(""); |
| |
| if (!netusb.func->connect_media) { |
| return -ENOTSUP; |
| } |
| |
| return netusb.func->connect_media(true); |
| } |
| |
| static int netusb_disconnect_media(void) |
| { |
| SYS_LOG_DBG(""); |
| |
| if (!netusb.func->connect_media) { |
| return -ENOTSUP; |
| } |
| |
| return netusb.func->connect_media(false); |
| } |
| |
| void netusb_enable(void) |
| { |
| SYS_LOG_DBG(""); |
| |
| netusb.enabled = true; |
| net_if_up(netusb.iface); |
| netusb_connect_media(); |
| } |
| |
| void netusb_disable(void) |
| { |
| SYS_LOG_DBG(""); |
| |
| if (!netusb.enabled) { |
| return; |
| } |
| |
| netusb.enabled = false; |
| netusb_disconnect_media(); |
| net_if_down(netusb.iface); |
| } |
| |
| u8_t netusb_get_first_iface_number(void) |
| { |
| SYS_LOG_DBG(""); |
| |
| #ifdef CONFIG_USB_DEVICE_NETWORK_ECM |
| return cdc_ecm_cfg.if0.bInterfaceNumber; |
| #endif |
| #ifdef CONFIG_USB_DEVICE_NETWORK_RNDIS |
| return rndis_cfg.if0.bInterfaceNumber; |
| #endif |
| #ifdef CONFIG_USB_DEVICE_NETWORK_EEM |
| return cdc_eem_cfg.if0.bInterfaceNumber; |
| #endif |
| } |
| |
| static int netusb_class_handler(struct usb_setup_packet *setup, |
| s32_t *len, u8_t **data) |
| { |
| SYS_LOG_DBG("len %d req_type 0x%x req 0x%x enabled %u", |
| *len, setup->bmRequestType, setup->bRequest, |
| netusb.enabled); |
| |
| if (!netusb.enabled) { |
| SYS_LOG_ERR("interface disabled"); |
| return -ENODEV; |
| } |
| |
| return netusb.func->class_handler(setup, len, data); |
| } |
| |
| int try_write(u8_t ep, u8_t *data, u16_t len) |
| { |
| u8_t tries = 10; |
| int ret = 0; |
| |
| net_hexdump("USB <", data, len); |
| |
| while (len) { |
| u32_t wrote; |
| |
| ret = usb_write(ep, data, len, &wrote); |
| |
| switch (ret) { |
| case -EAGAIN: |
| /* |
| * In a case when host has not yet enabled endpoint |
| * to get this message we might get No Space Available |
| * error from the controller, try only several times. |
| */ |
| if (tries--) { |
| SYS_LOG_WRN("Error: EAGAIN. Another try"); |
| continue; |
| } |
| |
| return ret; |
| case 0: |
| /* Check wrote bytes */ |
| break; |
| /* TODO: Handle other error codes */ |
| default: |
| SYS_LOG_WRN("Error writing to ep 0x%x ret %d", ep, ret); |
| return ret; |
| } |
| |
| len -= wrote; |
| data += wrote; |
| #if VERBOSE_DEBUG |
| SYS_LOG_DBG("Wrote %u bytes, remaining %u", wrote, len); |
| #endif |
| |
| if (len) { |
| SYS_LOG_WRN("Remaining bytes %d wrote %d", len, wrote); |
| } |
| } |
| |
| return ret; |
| } |
| |
| static void netusb_init(struct net_if *iface) |
| { |
| static u8_t mac[6] = { 0x00, 0x00, 0x5E, 0x00, 0x53, 0x00 }; |
| |
| SYS_LOG_DBG("netusb device initialization"); |
| |
| netusb.iface = iface; |
| |
| ethernet_init(iface); |
| |
| net_if_set_link_addr(iface, mac, sizeof(mac), NET_LINK_ETHERNET); |
| |
| net_if_down(iface); |
| |
| /* |
| * TODO: Add multi-function configuration |
| */ |
| #if defined(CONFIG_USB_DEVICE_NETWORK_ECM) |
| netusb.func = &ecm_function; |
| #elif defined(CONFIG_USB_DEVICE_NETWORK_RNDIS) |
| netusb.func = &rndis_function; |
| #elif defined(CONFIG_USB_DEVICE_NETWORK_EEM) |
| netusb.func = &eem_function; |
| #else |
| #error Unknown USB Device Networking function |
| #endif |
| if (netusb.func->init && netusb.func->init()) { |
| SYS_LOG_ERR("Initialization failed"); |
| return; |
| } |
| |
| netusb_config.endpoint = netusb.func->ep; |
| netusb_config.num_endpoints = netusb.func->num_ep; |
| netusb_config.cb_usb_status = netusb.func->status_cb; |
| |
| #ifndef CONFIG_USB_COMPOSITE_DEVICE |
| int ret; |
| |
| netusb_config.interface.payload_data = interface_data; |
| netusb_config.usb_device_description = usb_get_device_descriptor(); |
| |
| ret = usb_set_config(&netusb_config); |
| if (ret < 0) { |
| SYS_LOG_ERR("Failed to configure USB device"); |
| return; |
| } |
| |
| ret = usb_enable(&netusb_config); |
| if (ret < 0) { |
| SYS_LOG_ERR("Failed to enable USB"); |
| return; |
| } |
| #endif /* CONFIG_USB_COMPOSITE_DEVICE */ |
| |
| SYS_LOG_INF("netusb initialized"); |
| } |
| |
| static const struct ethernet_api netusb_api_funcs = { |
| .iface_api = { |
| .init = netusb_init, |
| .send = netusb_send, |
| }, |
| .get_capabilities = NULL, |
| }; |
| |
| static int netusb_init_dev(struct device *dev) |
| { |
| ARG_UNUSED(dev); |
| return 0; |
| } |
| |
| NET_DEVICE_INIT(eth_netusb, "eth_netusb", netusb_init_dev, NULL, NULL, |
| CONFIG_ETH_INIT_PRIORITY, &netusb_api_funcs, ETHERNET_L2, |
| NET_L2_GET_CTX_TYPE(ETHERNET_L2), NETUSB_MTU); |