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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 <stddef.h>
#include "test_nlattr.h"
#include <linux/gen_stats.h>
#include <linux/rtnetlink.h>
const unsigned int hdrlen = sizeof(struct tcmsg);
static void
init_tcmsg(struct nlmsghdr *const nlh, const unsigned int msg_len)
{
SET_STRUCT(struct nlmsghdr, nlh,
.nlmsg_len = msg_len,
.nlmsg_type = RTM_GETQDISC,
.nlmsg_flags = NLM_F_DUMP
);
struct tcmsg *const msg = NLMSG_DATA(nlh);
SET_STRUCT(struct tcmsg, msg,
.tcm_family = AF_UNIX,
.tcm_ifindex = ifindex_lo()
);
struct nlattr *const nla = NLMSG_ATTR(nlh, sizeof(*msg));
SET_STRUCT(struct nlattr, nla,
.nla_len = msg_len - NLMSG_SPACE(hdrlen),
.nla_type = TCA_STATS2
);
}
static void
print_tcmsg(const unsigned int msg_len)
{
printf("{nlmsg_len=%u, nlmsg_type=RTM_GETQDISC, nlmsg_flags=NLM_F_DUMP"
", nlmsg_seq=0, nlmsg_pid=0}, {tcm_family=AF_UNIX"
", tcm_ifindex=" IFINDEX_LO_STR
", tcm_handle=0, tcm_parent=0, tcm_info=0}"
", [{nla_len=%u, nla_type=TCA_STATS2}",
msg_len, msg_len - NLMSG_SPACE(hdrlen));
}
int
main(void)
{
skip_if_unavailable("/proc/self/fd/");
const int fd = create_nl_socket(NETLINK_ROUTE);
void *nlh0 = midtail_alloc(NLMSG_SPACE(hdrlen), NLA_HDRLEN + 8 * 5);
static char pattern[4096];
fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
static const struct gnet_stats_basic sb = {
.bytes = 0xabcdebdafefeadeb,
.packets = 0xbdcdeabf
};
char buf[offsetofend(struct gnet_stats_basic, packets)];
memcpy(buf, &sb, sizeof(buf));
TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_tcmsg, print_tcmsg,
TCA_STATS_BASIC, pattern, buf,
printf("{");
PRINT_FIELD_U(sb, bytes);
printf(", ");
PRINT_FIELD_U(sb, packets);
printf("}"));
static const struct gnet_stats_rate_est est = {
.bps = 0xebcdaebd,
.pps = 0xabdceade,
};
TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_tcmsg, print_tcmsg,
TCA_STATS_RATE_EST, pattern, est,
printf("{");
PRINT_FIELD_U(est, bps);
printf(", ");
PRINT_FIELD_U(est, pps);
printf("}"));
static const struct gnet_stats_queue qstats = {
.qlen = 0xabcdeabd,
.backlog = 0xbcdaebad,
.drops = 0xcdbeaedb,
.requeues = 0xdebaefab,
.overlimits = 0xefaebade
};
TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_tcmsg, print_tcmsg,
TCA_STATS_QUEUE, pattern, qstats,
printf("{");
PRINT_FIELD_U(qstats, qlen);
printf(", ");
PRINT_FIELD_U(qstats, backlog);
printf(", ");
PRINT_FIELD_U(qstats, drops);
printf(", ");
PRINT_FIELD_U(qstats, requeues);
printf(", ");
PRINT_FIELD_U(qstats, overlimits);
printf("}"));
static const struct gnet_stats_rate_est64 est64 = {
.bps = 0xacbdcdefafecaebf,
.pps = 0xcdabeabdfeabceaf
};
TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_tcmsg, print_tcmsg,
TCA_STATS_RATE_EST64, pattern, est64,
printf("{");
PRINT_FIELD_U(est64, bps);
printf(", ");
PRINT_FIELD_U(est64, pps);
printf("}"));
static const uint64_t pkt64 = 0xdeadc0defacefeedULL;
TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_tcmsg, print_tcmsg,
TCA_STATS_PKT64, pattern, pkt64,
printf("16045693111314087661"));
puts("+++ exited with 0 +++");
return 0;
}
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