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/*
* 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
*/
#include "tests.h"
#include <stdio.h>
#include "test_nlattr.h"
#include <linux/neighbour.h>
#include <linux/rtnetlink.h>
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("{nlmsg_len=%u, nlmsg_type=RTM_GETNEIGHTBL"
", nlmsg_flags=NLM_F_DUMP, nlmsg_seq=0, nlmsg_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));
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,
printf("{");
PRINT_FIELD_U(ndtc, ndtc_key_len);
printf(", ");
PRINT_FIELD_U(ndtc, ndtc_entry_size);
printf(", ");
PRINT_FIELD_U(ndtc, ndtc_entries);
printf(", ");
PRINT_FIELD_U(ndtc, ndtc_last_flush);
printf(", ");
PRINT_FIELD_U(ndtc, ndtc_last_rand);
printf(", ");
PRINT_FIELD_U(ndtc, ndtc_hash_rnd);
printf(", ");
PRINT_FIELD_0X(ndtc, ndtc_hash_mask);
printf(", ");
PRINT_FIELD_U(ndtc, ndtc_hash_chain_gc);
printf(", ");
PRINT_FIELD_U(ndtc, ndtc_proxy_qlen);
printf("}"));
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,
printf("{");
PRINT_FIELD_U(nla, nla_len);
printf(", nla_type=NDTPA_IFINDEX}"));
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,
.ndts_table_fulls = 0xadebfefaecdfeade
};
TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_ndtmsg, print_ndtmsg,
NDTA_STATS, pattern, ndtst,
printf("{");
PRINT_FIELD_U(ndtst, ndts_allocs);
printf(", ");
PRINT_FIELD_U(ndtst, ndts_destroys);
printf(", ");
PRINT_FIELD_U(ndtst, ndts_hash_grows);
printf(", ");
PRINT_FIELD_U(ndtst, ndts_res_failed);
printf(", ");
PRINT_FIELD_U(ndtst, ndts_lookups);
printf(", ");
PRINT_FIELD_U(ndtst, ndts_hits);
printf(", ");
PRINT_FIELD_U(ndtst, ndts_rcv_probes_mcast);
printf(", ");
PRINT_FIELD_U(ndtst, ndts_rcv_probes_ucast);
printf(", ");
PRINT_FIELD_U(ndtst, ndts_periodic_gc_runs);
printf(", ");
PRINT_FIELD_U(ndtst, ndts_forced_gc_runs);
printf(", ");
PRINT_FIELD_U(ndtst, ndts_table_fulls);
printf("}"));
puts("+++ exited with 0 +++");
return 0;
}
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