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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2005-2007 Takahiro Hirofuchi
*/
#ifndef __USBIP_NETWORK_H
#define __USBIP_NETWORK_H
#ifdef HAVE_CONFIG_H
#include "../config.h"
#endif
#include <sys/types.h>
#include <stdint.h>
extern int usbip_port;
extern char *usbip_port_string;
void usbip_setup_port_number(char *arg);
/* ---------------------------------------------------------------------- */
/* Common header for all the kinds of PDUs. */
struct op_common {
uint16_t version;
#define OP_REQUEST (0x80 << 8)
#define OP_REPLY (0x00 << 8)
uint16_t code;
/* add more error code */
#define ST_OK 0x00
#define ST_NA 0x01
uint32_t status; /* op_code status (for reply) */
} __attribute__((packed));
#define PACK_OP_COMMON(pack, op_common) do {\
usbip_net_pack_uint16_t(pack, &(op_common)->version);\
usbip_net_pack_uint16_t(pack, &(op_common)->code);\
usbip_net_pack_uint32_t(pack, &(op_common)->status);\
} while (0)
/* ---------------------------------------------------------------------- */
/* Dummy Code */
#define OP_UNSPEC 0x00
#define OP_REQ_UNSPEC OP_UNSPEC
#define OP_REP_UNSPEC OP_UNSPEC
/* ---------------------------------------------------------------------- */
/* Retrieve USB device information. (still not used) */
#define OP_DEVINFO 0x02
#define OP_REQ_DEVINFO (OP_REQUEST | OP_DEVINFO)
#define OP_REP_DEVINFO (OP_REPLY | OP_DEVINFO)
struct op_devinfo_request {
char busid[SYSFS_BUS_ID_SIZE];
} __attribute__((packed));
struct op_devinfo_reply {
struct usbip_usb_device udev;
struct usbip_usb_interface uinf[];
} __attribute__((packed));
/* ---------------------------------------------------------------------- */
/* Import a remote USB device. */
#define OP_IMPORT 0x03
#define OP_REQ_IMPORT (OP_REQUEST | OP_IMPORT)
#define OP_REP_IMPORT (OP_REPLY | OP_IMPORT)
struct op_import_request {
char busid[SYSFS_BUS_ID_SIZE];
} __attribute__((packed));
struct op_import_reply {
struct usbip_usb_device udev;
// struct usbip_usb_interface uinf[];
} __attribute__((packed));
#define PACK_OP_IMPORT_REQUEST(pack, request) do {\
} while (0)
#define PACK_OP_IMPORT_REPLY(pack, reply) do {\
usbip_net_pack_usb_device(pack, &(reply)->udev);\
} while (0)
/* ---------------------------------------------------------------------- */
/* Export a USB device to a remote host. */
#define OP_EXPORT 0x06
#define OP_REQ_EXPORT (OP_REQUEST | OP_EXPORT)
#define OP_REP_EXPORT (OP_REPLY | OP_EXPORT)
struct op_export_request {
struct usbip_usb_device udev;
} __attribute__((packed));
struct op_export_reply {
int returncode;
} __attribute__((packed));
#define PACK_OP_EXPORT_REQUEST(pack, request) do {\
usbip_net_pack_usb_device(pack, &(request)->udev);\
} while (0)
#define PACK_OP_EXPORT_REPLY(pack, reply) do {\
} while (0)
/* ---------------------------------------------------------------------- */
/* un-Export a USB device from a remote host. */
#define OP_UNEXPORT 0x07
#define OP_REQ_UNEXPORT (OP_REQUEST | OP_UNEXPORT)
#define OP_REP_UNEXPORT (OP_REPLY | OP_UNEXPORT)
struct op_unexport_request {
struct usbip_usb_device udev;
} __attribute__((packed));
struct op_unexport_reply {
int returncode;
} __attribute__((packed));
#define PACK_OP_UNEXPORT_REQUEST(pack, request) do {\
usbip_net_pack_usb_device(pack, &(request)->udev);\
} while (0)
#define PACK_OP_UNEXPORT_REPLY(pack, reply) do {\
} while (0)
/* ---------------------------------------------------------------------- */
/* Negotiate IPSec encryption key. (still not used) */
#define OP_CRYPKEY 0x04
#define OP_REQ_CRYPKEY (OP_REQUEST | OP_CRYPKEY)
#define OP_REP_CRYPKEY (OP_REPLY | OP_CRYPKEY)
struct op_crypkey_request {
/* 128bit key */
uint32_t key[4];
} __attribute__((packed));
struct op_crypkey_reply {
uint32_t __reserved;
} __attribute__((packed));
/* ---------------------------------------------------------------------- */
/* Retrieve the list of exported USB devices. */
#define OP_DEVLIST 0x05
#define OP_REQ_DEVLIST (OP_REQUEST | OP_DEVLIST)
#define OP_REP_DEVLIST (OP_REPLY | OP_DEVLIST)
struct op_devlist_request {
} __attribute__((packed));
struct op_devlist_reply {
uint32_t ndev;
/* followed by reply_extra[] */
} __attribute__((packed));
struct op_devlist_reply_extra {
struct usbip_usb_device udev;
struct usbip_usb_interface uinf[];
} __attribute__((packed));
#define PACK_OP_DEVLIST_REQUEST(pack, request) do {\
} while (0)
#define PACK_OP_DEVLIST_REPLY(pack, reply) do {\
usbip_net_pack_uint32_t(pack, &(reply)->ndev);\
} while (0)
void usbip_net_pack_uint32_t(int pack, uint32_t *num);
void usbip_net_pack_uint16_t(int pack, uint16_t *num);
void usbip_net_pack_usb_device(int pack, struct usbip_usb_device *udev);
void usbip_net_pack_usb_interface(int pack, struct usbip_usb_interface *uinf);
ssize_t usbip_net_recv(int sockfd, void *buff, size_t bufflen);
ssize_t usbip_net_send(int sockfd, void *buff, size_t bufflen);
int usbip_net_send_op_common(int sockfd, uint32_t code, uint32_t status);
int usbip_net_recv_op_common(int sockfd, uint16_t *code);
int usbip_net_set_reuseaddr(int sockfd);
int usbip_net_set_nodelay(int sockfd);
int usbip_net_set_keepalive(int sockfd);
int usbip_net_set_v6only(int sockfd);
int usbip_net_tcp_connect(char *hostname, char *port);
#endif /* __USBIP_NETWORK_H */
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