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/*
* Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
* Copyright (c) 2017-2022 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/pkt_cls.h>
#include <linux/rtnetlink.h>
#if !HAVE_DECL_TCA_ACT_PAD
enum { TCA_ACT_PAD = 5 };
#endif
#if !HAVE_DECL_TCA_ACT_COOKIE
enum { TCA_ACT_COOKIE = 6 };
#endif
#if !HAVE_DECL_TCA_ACT_FLAGS
enum { TCA_ACT_FLAGS = 7 };
#endif
#if !HAVE_DECL_TCA_ACT_HW_STATS
enum { TCA_ACT_HW_STATS = 8 };
#endif
#if !HAVE_DECL_TCA_ACT_USED_HW_STATS
enum { TCA_ACT_USED_HW_STATS = 9 };
#endif
#if !HAVE_DECL_TCA_ACT_IN_HW_COUNT
enum { TCA_ACT_IN_HW_COUNT = 10 };
#endif
static void
init_tcamsg(struct nlmsghdr *const nlh, const unsigned int msg_len)
{
SET_STRUCT(struct nlmsghdr, nlh,
.nlmsg_len = msg_len,
.nlmsg_type = RTM_GETACTION,
.nlmsg_flags = NLM_F_DUMP
);
struct tcamsg *const msg = NLMSG_DATA(nlh);
SET_STRUCT(struct tcamsg, msg,
.tca_family = AF_INET
);
}
static void
print_tcamsg(const unsigned int msg_len)
{
printf("{nlmsg_len=%u, nlmsg_type=RTM_GETACTION, nlmsg_flags=NLM_F_DUMP"
", nlmsg_seq=0, nlmsg_pid=0}, {tca_family=AF_INET}",
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 tcamsg);
void *nlh0 = midtail_alloc(NLMSG_SPACE(hdrlen), NLA_HDRLEN + 4);
static char pattern[4096];
fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
/* Invalid */
static const unsigned int nla_invalid[] = { 11, 0xffff & NLA_TYPE_MASK };
for (size_t i = 0; i < ARRAY_SIZE(nla_invalid); i++) {
char nla_type_str[256];
sprintf(nla_type_str, "%#x /* TCA_ACT_??? */", nla_invalid[i]);
TEST_NLATTR_(fd, nlh0, hdrlen,
init_tcamsg, print_tcamsg,
nla_invalid[i], nla_type_str,
21, pattern, 21,
print_quoted_hex(pattern, 21));
}
/* Default decoder */
static const struct {
unsigned int val;
const char *str;
} nla_default[] = {
{ ARG_STR(TCA_ACT_UNSPEC) },
{ ARG_STR(TCA_ACT_OPTIONS) },
{ ARG_STR(TCA_ACT_PAD) },
{ ARG_STR(TCA_ACT_COOKIE) },
};
for (size_t i = 0; i < ARRAY_SIZE(nla_default); i++) {
TEST_NLATTR_(fd, nlh0, hdrlen,
init_tcamsg, print_tcamsg,
nla_default[i].val, nla_default[i].str,
17, pattern, 17,
print_quoted_hex(pattern, 17));
}
/* TCA_ACT_KIND */
TEST_NLATTR(fd, nlh0, hdrlen, init_tcamsg, print_tcamsg,
TCA_ACT_KIND, 21, pattern, 21,
print_quoted_cstring(pattern, 22));
static const char kind[] = "Hello\tthere";
TEST_NLATTR(fd, nlh0, hdrlen, init_tcamsg, print_tcamsg,
TCA_ACT_KIND, sizeof(kind), kind, sizeof(kind),
print_quoted_string(kind));
/* TCA_ACT_INDEX */
static uint32_t idx = 0xdeadc0de;
TEST_NLATTR(fd, nlh0, hdrlen, init_tcamsg, print_tcamsg,
TCA_ACT_INDEX, sizeof(idx), &idx, sizeof(idx),
printf("%u", idx));
/* TCA_ACT_FLAGS */
static uint32_t flags = 0xfacebeff;
TEST_NLATTR(fd, nlh0, hdrlen, init_tcamsg, print_tcamsg,
TCA_ACT_FLAGS, sizeof(flags), &flags, sizeof(flags),
printf("TCA_ACT_FLAGS_NO_PERCPU_STATS|"
"TCA_ACT_FLAGS_SKIP_HW|"
"TCA_ACT_FLAGS_SKIP_SW|0xfacebef8"));
/* TCA_ACT_HW_STATS, TCA_ACT_USED_HW_STATS */
static const struct strval32 nla_hw_st[] = {
{ ARG_STR(TCA_ACT_HW_STATS) },
{ ARG_STR(TCA_ACT_USED_HW_STATS) },
};
static uint32_t hw_st = 0xfacebeef;
for (size_t i = 0; i < ARRAY_SIZE(nla_hw_st); i++) {
TEST_NLATTR_(fd, nlh0, hdrlen, init_tcamsg, print_tcamsg,
nla_hw_st[i].val, nla_hw_st[i].str,
sizeof(hw_st), &hw_st, sizeof(hw_st),
printf("TCA_ACT_HW_STATS_IMMEDIATE|"
"TCA_ACT_HW_STATS_DELAYED|0xfacebeec"));
}
/* TCA_ACT_IN_HW_COUNT */
static uint32_t hw_count = 0xdeadface;
TEST_NLATTR(fd, nlh0, hdrlen, init_tcamsg, print_tcamsg,
TCA_ACT_IN_HW_COUNT, sizeof(hw_count),
&hw_count, sizeof(hw_count),
printf("%u", hw_count));
puts("+++ exited with 0 +++");
return 0;
}
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