| /* |
| * 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 = tail_alloc(NLMSG_SPACE(hdrlen)); |
| |
| 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; |
| } |