mirror of
https://github.com/torvalds/linux.git
synced 2024-11-26 22:21:42 +00:00
685a6bf848
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 33 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190530000435.345978407@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
68 lines
1.5 KiB
C
68 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* VMware vSockets Driver
|
|
*
|
|
* Copyright (C) 2007-2012 VMware, Inc. All rights reserved.
|
|
*/
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/socket.h>
|
|
#include <linux/stddef.h>
|
|
#include <net/sock.h>
|
|
#include <net/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;
|
|
}
|
|
EXPORT_SYMBOL_GPL(vsock_addr_init);
|
|
|
|
int vsock_addr_validate(const struct sockaddr_vm *addr)
|
|
{
|
|
if (!addr)
|
|
return -EFAULT;
|
|
|
|
if (addr->svm_family != AF_VSOCK)
|
|
return -EAFNOSUPPORT;
|
|
|
|
if (addr->svm_zero[0] != 0)
|
|
return -EINVAL;
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(vsock_addr_validate);
|
|
|
|
bool vsock_addr_bound(const struct sockaddr_vm *addr)
|
|
{
|
|
return addr->svm_port != VMADDR_PORT_ANY;
|
|
}
|
|
EXPORT_SYMBOL_GPL(vsock_addr_bound);
|
|
|
|
void vsock_addr_unbind(struct sockaddr_vm *addr)
|
|
{
|
|
vsock_addr_init(addr, VMADDR_CID_ANY, VMADDR_PORT_ANY);
|
|
}
|
|
EXPORT_SYMBOL_GPL(vsock_addr_unbind);
|
|
|
|
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;
|
|
}
|
|
EXPORT_SYMBOL_GPL(vsock_addr_equals_addr);
|
|
|
|
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);
|
|
}
|
|
EXPORT_SYMBOL_GPL(vsock_addr_cast);
|