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// Copyright 2020 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef GVISOR_TEST_SYSCALLS_LINUX_SOCKET_NETLINK_ROUTE_UTIL_H_
#define GVISOR_TEST_SYSCALLS_LINUX_SOCKET_NETLINK_ROUTE_UTIL_H_
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <vector>
#include "test/syscalls/linux/socket_netlink_util.h"
namespace gvisor {
namespace testing {
struct Link {
int index;
int16_t type;
std::string name;
};
PosixError DumpLinks(const FileDescriptor& fd, uint32_t seq,
const std::function<void(const struct nlmsghdr* hdr)>& fn);
PosixErrorOr<std::vector<Link>> DumpLinks();
// Returns the loopback link on the system. ENOENT if not found.
PosixErrorOr<Link> LoopbackLink();
// LinkAddLocalAddr adds a new IFA_LOCAL address to the interface.
PosixError LinkAddLocalAddr(int index, int family, int prefixlen,
const void* addr, int addrlen);
// LinkAddExclusiveLocalAddr adds a new IFA_LOCAL address with NLM_F_EXCL flag
// to the interface.
PosixError LinkAddExclusiveLocalAddr(int index, int family, int prefixlen,
const void* addr, int addrlen);
// LinkReplaceLocalAddr replaces an IFA_LOCAL address on the interface.
PosixError LinkReplaceLocalAddr(int index, int family, int prefixlen,
const void* addr, int addrlen);
// LinkDelLocalAddr removes IFA_LOCAL attribute on the interface.
PosixError LinkDelLocalAddr(int index, int family, int prefixlen,
const void* addr, int addrlen);
// LinkChangeFlags changes interface flags. E.g. IFF_UP.
PosixError LinkChangeFlags(int index, unsigned int flags, unsigned int change);
// LinkSetMacAddr sets IFLA_ADDRESS attribute of the interface.
PosixError LinkSetMacAddr(int index, const void* addr, int addrlen);
} // namespace testing
} // namespace gvisor
#endif // GVISOR_TEST_SYSCALLS_LINUX_SOCKET_NETLINK_ROUTE_UTIL_H_
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