blob: ec2611b4ea0ee4fc073926c9a33347ace8de9e4f [file] [log] [blame]
* VMware vSockets Driver
* Copyright (C) 2007-2012 VMware, Inc. All rights reserved.
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation version 2 and no later version.
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
#include <linux/types.h>
#include <linux/socket.h>
#include <linux/stddef.h>
#include <net/sock.h>
#include "vsock_addr.h"
void vsock_addr_init(struct sockaddr_vm *addr, u32 cid, u32 port)
memset(addr, 0, sizeof(*addr));
addr->svm_family = AF_VSOCK;
addr->svm_cid = cid;
addr->svm_port = port;
int vsock_addr_validate(const struct sockaddr_vm *addr)
if (!addr)
return -EFAULT;
if (addr->svm_family != AF_VSOCK)
if (addr->svm_zero[0] != 0)
return -EINVAL;
return 0;
bool vsock_addr_bound(const struct sockaddr_vm *addr)
return addr->svm_port != VMADDR_PORT_ANY;
void vsock_addr_unbind(struct sockaddr_vm *addr)
vsock_addr_init(addr, VMADDR_CID_ANY, VMADDR_PORT_ANY);
bool vsock_addr_equals_addr(const struct sockaddr_vm *addr,
const struct sockaddr_vm *other)
return addr->svm_cid == other->svm_cid &&
addr->svm_port == other->svm_port;
int vsock_addr_cast(const struct sockaddr *addr,
size_t len, struct sockaddr_vm **out_addr)
if (len < sizeof(**out_addr))
return -EFAULT;
*out_addr = (struct sockaddr_vm *)addr;
return vsock_addr_validate(*out_addr);