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/*
* Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
* Copyright (c) 2017-2018 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <stdio.h>
#include "test_nlattr.h"
#ifdef HAVE_LINUX_NEIGHBOUR_H
# include <linux/neighbour.h>
#endif
#include <linux/rtnetlink.h>
#define NDTA_PARMS 6
#define NDTPA_IFINDEX 1
static void
init_ndtmsg(struct nlmsghdr *const nlh, const unsigned int msg_len)
{
SET_STRUCT(struct nlmsghdr, nlh,
.nlmsg_len = msg_len,
.nlmsg_type = RTM_GETNEIGHTBL,
.nlmsg_flags = NLM_F_DUMP
);
struct ndtmsg *const msg = NLMSG_DATA(nlh);
SET_STRUCT(struct ndtmsg, msg,
.ndtm_family = AF_NETLINK
);
}
static void
print_ndtmsg(const unsigned int msg_len)
{
printf("{len=%u, type=RTM_GETNEIGHTBL, flags=NLM_F_DUMP"
", seq=0, pid=0}, {ndtm_family=AF_NETLINK}",
msg_len);
}
int
main(void)
{
skip_if_unavailable("/proc/self/fd/");
const int fd = create_nl_socket(NETLINK_ROUTE);
const unsigned int hdrlen = sizeof(struct ndtmsg);
void *nlh0 = midtail_alloc(NLMSG_SPACE(hdrlen), NLA_HDRLEN + 11 * 8);
static char pattern[4096];
fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
const unsigned int nla_type = 0xffff & NLA_TYPE_MASK;
char nla_type_str[256];
sprintf(nla_type_str, "%#x /* NDTA_??? */", nla_type);
TEST_NLATTR_(fd, nlh0, hdrlen,
init_ndtmsg, print_ndtmsg,
nla_type, nla_type_str,
4, pattern, 4,
print_quoted_hex(pattern, 4));
#ifdef HAVE_STRUCT_NDT_CONFIG
static const struct ndt_config ndtc = {
.ndtc_key_len = 0xabcd,
.ndtc_entry_size = 0xbcda,
.ndtc_entries = 0xcdabedad,
.ndtc_last_flush = 0xdebaedba,
.ndtc_last_rand = 0xedadedab,
.ndtc_hash_rnd = 0xfeadedaf,
.ndtc_hash_mask = 0xadbcdead,
.ndtc_hash_chain_gc = 0xbdaedacd,
.ndtc_proxy_qlen = 0xcdeaedab
};
TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_ndtmsg, print_ndtmsg,
NDTA_CONFIG, pattern, ndtc,
PRINT_FIELD_U("{", ndtc, ndtc_key_len);
PRINT_FIELD_U(", ", ndtc, ndtc_entry_size);
PRINT_FIELD_U(", ", ndtc, ndtc_entries);
PRINT_FIELD_U(", ", ndtc, ndtc_last_flush);
PRINT_FIELD_U(", ", ndtc, ndtc_last_rand);
PRINT_FIELD_U(", ", ndtc, ndtc_hash_rnd);
PRINT_FIELD_0X(", ", ndtc, ndtc_hash_mask);
PRINT_FIELD_U(", ", ndtc, ndtc_hash_chain_gc);
PRINT_FIELD_U(", ", ndtc, ndtc_proxy_qlen);
printf("}"));
#endif /* HAVE_STRUCT_NDT_CONFIG */
static const struct nlattr nla = {
.nla_len = sizeof(nla),
.nla_type = NDTPA_IFINDEX
};
TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_ndtmsg, print_ndtmsg,
NDTA_PARMS, pattern, nla,
PRINT_FIELD_U("{", nla, nla_len);
printf(", nla_type=NDTPA_IFINDEX}"));
#ifdef HAVE_STRUCT_NDT_STATS
static const struct ndt_stats ndtst = {
.ndts_allocs = 0xabcdedabedadedfa,
.ndts_destroys = 0xbcdefabefacdbaad,
.ndts_hash_grows = 0xcdbadefacdcbaede,
.ndts_res_failed = 0xdedbaecfdbcadcfe,
.ndts_lookups = 0xedfafdedbdadedec,
.ndts_hits = 0xfebdeadebcddeade,
.ndts_rcv_probes_mcast = 0xadebfeadecddeafe,
.ndts_rcv_probes_ucast = 0xbcdefeacdadecdfe,
.ndts_periodic_gc_runs = 0xedffeadedeffbecc,
.ndts_forced_gc_runs = 0xfeefefeabedeedcd,
# ifdef HAVE_STRUCT_NDT_STATS_NDTS_TABLE_FULLS
.ndts_table_fulls = 0xadebfefaecdfeade
# endif /* HAVE_STRUCT_NDT_STATS_NDTS_TABLE_FULLS */
};
TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_ndtmsg, print_ndtmsg,
NDTA_STATS, pattern, ndtst,
PRINT_FIELD_U("{", ndtst, ndts_allocs);
PRINT_FIELD_U(", ", ndtst, ndts_destroys);
PRINT_FIELD_U(", ", ndtst, ndts_hash_grows);
PRINT_FIELD_U(", ", ndtst, ndts_res_failed);
PRINT_FIELD_U(", ", ndtst, ndts_lookups);
PRINT_FIELD_U(", ", ndtst, ndts_hits);
PRINT_FIELD_U(", ", ndtst, ndts_rcv_probes_mcast);
PRINT_FIELD_U(", ", ndtst, ndts_rcv_probes_ucast);
PRINT_FIELD_U(", ", ndtst, ndts_periodic_gc_runs);
PRINT_FIELD_U(", ", ndtst, ndts_forced_gc_runs);
# ifdef HAVE_STRUCT_NDT_STATS_NDTS_TABLE_FULLS
PRINT_FIELD_U(", ", ndtst, ndts_table_fulls);
# endif /* HAVE_STRUCT_NDT_STATS_NDTS_TABLE_FULLS */
printf("}"));
#endif /* HAVE_STRUCT_NDT_STATS */
puts("+++ exited with 0 +++");
return 0;
}
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