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/*
* netlink attribute ifinfomsg common code.
*
* Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
* Copyright (c) 2017-2021 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef STRACE_TESTS_NLATTR_IFLA_H
# define STRACE_TESTS_NLATTR_IFLA_H
# include "tests.h"
# ifndef IFLA_ATTR
# error "Please define IFLA_ATTR before including this file"
# endif
# ifndef IFLA_AF
# define IFLA_AF AF_UNIX
# endif
# ifndef IFLA_AF_STR
# define IFLA_AF_STR "AF_UNIX"
# endif
static const unsigned int hdrlen = sizeof(struct ifinfomsg);
static void
init_ifinfomsg(struct nlmsghdr *const nlh, const unsigned int msg_len)
{
SET_STRUCT(struct nlmsghdr, nlh,
.nlmsg_len = msg_len,
.nlmsg_type = RTM_GETLINK,
.nlmsg_flags = NLM_F_DUMP
);
struct ifinfomsg *const msg = NLMSG_DATA(nlh);
SET_STRUCT(struct ifinfomsg, msg,
.ifi_family = IFLA_AF,
.ifi_type = ARPHRD_LOOPBACK,
.ifi_index = ifindex_lo(),
.ifi_flags = IFF_UP,
);
struct nlattr *const nla = NLMSG_ATTR(nlh, sizeof(*msg));
SET_STRUCT(struct nlattr, nla,
.nla_len = msg_len - NLMSG_SPACE(hdrlen),
.nla_type = IFLA_ATTR
);
}
static void
print_ifinfomsg(const unsigned int msg_len)
{
printf("{nlmsg_len=%u, nlmsg_type=" XLAT_FMT ", nlmsg_flags=" XLAT_FMT
", nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=" XLAT_FMT
", ifi_type=" XLAT_FMT ", ifi_index=" XLAT_FMT_U
", ifi_flags=" XLAT_FMT ", ifi_change=0}"
", [{nla_len=%u, nla_type=" XLAT_FMT "}",
msg_len, XLAT_ARGS(RTM_GETLINK), XLAT_ARGS(NLM_F_DUMP),
XLAT_SEL(IFLA_AF, IFLA_AF_STR), XLAT_ARGS(ARPHRD_LOOPBACK),
XLAT_SEL(ifindex_lo(), IFINDEX_LO_STR), XLAT_ARGS(IFF_UP),
msg_len - NLMSG_SPACE(hdrlen),
XLAT_SEL(IFLA_ATTR, STRINGIFY_VAL(IFLA_ATTR)));
}
#endif /* STRACE_TESTS_NLATTR_IFLA_H */
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