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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
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/*
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* VMware vSockets Driver
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*
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* Copyright (C) 2007-2012 VMware, Inc. All rights reserved.
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*/
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#include <linux/types.h>
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#include <linux/socket.h>
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#include <linux/stddef.h>
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#include <net/sock.h>
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#include <net/vsock_addr.h>
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void vsock_addr_init(struct sockaddr_vm *addr, u32 cid, u32 port)
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{
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memset(addr, 0, sizeof(*addr));
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addr->svm_family = AF_VSOCK;
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addr->svm_cid = cid;
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addr->svm_port = port;
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}
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EXPORT_SYMBOL_GPL(vsock_addr_init);
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int vsock_addr_validate(const struct sockaddr_vm *addr)
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{
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if (!addr)
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return -EFAULT;
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if (addr->svm_family != AF_VSOCK)
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return -EAFNOSUPPORT;
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if (addr->svm_zero[0] != 0)
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return -EINVAL;
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return 0;
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}
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EXPORT_SYMBOL_GPL(vsock_addr_validate);
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bool vsock_addr_bound(const struct sockaddr_vm *addr)
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{
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return addr->svm_port != VMADDR_PORT_ANY;
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}
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EXPORT_SYMBOL_GPL(vsock_addr_bound);
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void vsock_addr_unbind(struct sockaddr_vm *addr)
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{
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vsock_addr_init(addr, VMADDR_CID_ANY, VMADDR_PORT_ANY);
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}
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EXPORT_SYMBOL_GPL(vsock_addr_unbind);
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bool vsock_addr_equals_addr(const struct sockaddr_vm *addr,
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const struct sockaddr_vm *other)
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{
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return addr->svm_cid == other->svm_cid &&
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addr->svm_port == other->svm_port;
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}
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EXPORT_SYMBOL_GPL(vsock_addr_equals_addr);
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int vsock_addr_cast(const struct sockaddr *addr,
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size_t len, struct sockaddr_vm **out_addr)
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{
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if (len < sizeof(**out_addr))
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return -EFAULT;
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*out_addr = (struct sockaddr_vm *)addr;
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return vsock_addr_validate(*out_addr);
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}
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EXPORT_SYMBOL_GPL(vsock_addr_cast);
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