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/*
* Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
* Copyright (c) 2017 The strace developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "tests.h"
#include <stdio.h>
#include "test_nlattr.h"
#include <linux/pkt_sched.h>
#include <linux/rtnetlink.h>
#ifndef TCA_STAB
# define TCA_STAB 8
#endif
#ifndef TCA_STAB_DATA
# define TCA_STAB_DATA 2
#endif
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_STAB
);
}
static void
print_tcmsg(const unsigned int msg_len)
{
printf("{len=%u, type=RTM_GETQDISC, flags=NLM_F_DUMP"
", seq=0, 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_STAB}",
msg_len, msg_len - NLMSG_SPACE(hdrlen));
}
static void
print_uint16(const uint16_t *p)
{
printf("%u", *p);
}
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 + 4
#ifdef HAVE_STRUCT_TC_SIZESPEC
- 4 + sizeof(struct tc_sizespec)
#endif
);
static char pattern[4096];
fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
#ifdef HAVE_STRUCT_TC_SIZESPEC
static const struct tc_sizespec s = {
.cell_log = 0xab,
.size_log = 0xcd,
.cell_align = 0xefab,
.overhead = 0xcdadeefa,
.linklayer = 0xefbaafeb,
.mpu = 0xfebfaefb,
.mtu = 0xacdbefab,
.tsize = 0xbdeaabed
};
TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_tcmsg, print_tcmsg,
TCA_STAB_BASE, pattern, s,
PRINT_FIELD_U("{", s, cell_log);
PRINT_FIELD_U(", ", s, size_log);
PRINT_FIELD_D(", ", s, cell_align);
PRINT_FIELD_D(", ", s, overhead);
PRINT_FIELD_U(", ", s, linklayer);
PRINT_FIELD_U(", ", s, mpu);
PRINT_FIELD_U(", ", s, mtu);
PRINT_FIELD_U(", ", s, tsize);
printf("}"));
#endif
uint16_t data[2] = { 0xacbd, 0xefba };
TEST_NESTED_NLATTR_ARRAY(fd, nlh0, hdrlen,
init_tcmsg, print_tcmsg,
TCA_STAB_DATA, pattern, data, print_uint16);
puts("+++ exited with 0 +++");
return 0;
}
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