185 lines
5.2 KiB
C
185 lines
5.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2005-2007 Takahiro Hirofuchi
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*/
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#ifndef __USBIP_NETWORK_H
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#define __USBIP_NETWORK_H
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#ifdef HAVE_CONFIG_H
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#include "../config.h"
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#endif
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#include <sys/types.h>
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#include <stdint.h>
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extern int usbip_port;
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extern char *usbip_port_string;
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void usbip_setup_port_number(char *arg);
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/* ---------------------------------------------------------------------- */
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/* Common header for all the kinds of PDUs. */
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struct op_common {
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uint16_t version;
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#define OP_REQUEST (0x80 << 8)
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#define OP_REPLY (0x00 << 8)
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uint16_t code;
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/* status codes defined in usbip_common.h */
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uint32_t status; /* op_code status (for reply) */
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} __attribute__((packed));
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#define PACK_OP_COMMON(pack, op_common) do {\
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usbip_net_pack_uint16_t(pack, &(op_common)->version);\
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usbip_net_pack_uint16_t(pack, &(op_common)->code);\
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usbip_net_pack_uint32_t(pack, &(op_common)->status);\
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} while (0)
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/* ---------------------------------------------------------------------- */
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/* Dummy Code */
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#define OP_UNSPEC 0x00
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#define OP_REQ_UNSPEC OP_UNSPEC
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#define OP_REP_UNSPEC OP_UNSPEC
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/* ---------------------------------------------------------------------- */
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/* Retrieve USB device information. (still not used) */
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#define OP_DEVINFO 0x02
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#define OP_REQ_DEVINFO (OP_REQUEST | OP_DEVINFO)
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#define OP_REP_DEVINFO (OP_REPLY | OP_DEVINFO)
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struct op_devinfo_request {
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char busid[SYSFS_BUS_ID_SIZE];
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} __attribute__((packed));
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struct op_devinfo_reply {
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struct usbip_usb_device udev;
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struct usbip_usb_interface uinf[];
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} __attribute__((packed));
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/* ---------------------------------------------------------------------- */
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/* Import a remote USB device. */
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#define OP_IMPORT 0x03
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#define OP_REQ_IMPORT (OP_REQUEST | OP_IMPORT)
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#define OP_REP_IMPORT (OP_REPLY | OP_IMPORT)
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struct op_import_request {
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char busid[SYSFS_BUS_ID_SIZE];
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} __attribute__((packed));
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struct op_import_reply {
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struct usbip_usb_device udev;
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// struct usbip_usb_interface uinf[];
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} __attribute__((packed));
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#define PACK_OP_IMPORT_REQUEST(pack, request) do {\
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} while (0)
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#define PACK_OP_IMPORT_REPLY(pack, reply) do {\
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usbip_net_pack_usb_device(pack, &(reply)->udev);\
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} while (0)
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/* ---------------------------------------------------------------------- */
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/* Export a USB device to a remote host. */
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#define OP_EXPORT 0x06
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#define OP_REQ_EXPORT (OP_REQUEST | OP_EXPORT)
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#define OP_REP_EXPORT (OP_REPLY | OP_EXPORT)
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struct op_export_request {
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struct usbip_usb_device udev;
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} __attribute__((packed));
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struct op_export_reply {
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int returncode;
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} __attribute__((packed));
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#define PACK_OP_EXPORT_REQUEST(pack, request) do {\
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usbip_net_pack_usb_device(pack, &(request)->udev);\
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} while (0)
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#define PACK_OP_EXPORT_REPLY(pack, reply) do {\
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} while (0)
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/* ---------------------------------------------------------------------- */
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/* un-Export a USB device from a remote host. */
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#define OP_UNEXPORT 0x07
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#define OP_REQ_UNEXPORT (OP_REQUEST | OP_UNEXPORT)
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#define OP_REP_UNEXPORT (OP_REPLY | OP_UNEXPORT)
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struct op_unexport_request {
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struct usbip_usb_device udev;
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} __attribute__((packed));
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struct op_unexport_reply {
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int returncode;
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} __attribute__((packed));
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#define PACK_OP_UNEXPORT_REQUEST(pack, request) do {\
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usbip_net_pack_usb_device(pack, &(request)->udev);\
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} while (0)
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#define PACK_OP_UNEXPORT_REPLY(pack, reply) do {\
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} while (0)
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/* ---------------------------------------------------------------------- */
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/* Negotiate IPSec encryption key. (still not used) */
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#define OP_CRYPKEY 0x04
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#define OP_REQ_CRYPKEY (OP_REQUEST | OP_CRYPKEY)
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#define OP_REP_CRYPKEY (OP_REPLY | OP_CRYPKEY)
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struct op_crypkey_request {
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/* 128bit key */
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uint32_t key[4];
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} __attribute__((packed));
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struct op_crypkey_reply {
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uint32_t __reserved;
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} __attribute__((packed));
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/* ---------------------------------------------------------------------- */
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/* Retrieve the list of exported USB devices. */
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#define OP_DEVLIST 0x05
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#define OP_REQ_DEVLIST (OP_REQUEST | OP_DEVLIST)
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#define OP_REP_DEVLIST (OP_REPLY | OP_DEVLIST)
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struct op_devlist_request {
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} __attribute__((packed));
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struct op_devlist_reply {
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uint32_t ndev;
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/* followed by reply_extra[] */
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} __attribute__((packed));
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struct op_devlist_reply_extra {
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struct usbip_usb_device udev;
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struct usbip_usb_interface uinf[];
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} __attribute__((packed));
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#define PACK_OP_DEVLIST_REQUEST(pack, request) do {\
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} while (0)
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#define PACK_OP_DEVLIST_REPLY(pack, reply) do {\
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usbip_net_pack_uint32_t(pack, &(reply)->ndev);\
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} while (0)
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void usbip_net_pack_uint32_t(int pack, uint32_t *num);
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void usbip_net_pack_uint16_t(int pack, uint16_t *num);
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void usbip_net_pack_usb_device(int pack, struct usbip_usb_device *udev);
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void usbip_net_pack_usb_interface(int pack, struct usbip_usb_interface *uinf);
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ssize_t usbip_net_recv(int sockfd, void *buff, size_t bufflen);
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ssize_t usbip_net_send(int sockfd, void *buff, size_t bufflen);
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int usbip_net_send_op_common(int sockfd, uint32_t code, uint32_t status);
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int usbip_net_recv_op_common(int sockfd, uint16_t *code, int *status);
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int usbip_net_set_reuseaddr(int sockfd);
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int usbip_net_set_nodelay(int sockfd);
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int usbip_net_set_keepalive(int sockfd);
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int usbip_net_set_v6only(int sockfd);
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int usbip_net_tcp_connect(char *hostname, char *port);
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#endif /* __USBIP_NETWORK_H */
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