diff options
Diffstat (limited to 'tests-m32/nlattr_tca_stab.c')
| -rw-r--r-- | tests-m32/nlattr_tca_stab.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/tests-m32/nlattr_tca_stab.c b/tests-m32/nlattr_tca_stab.c new file mode 100644 index 000000000..de6d35691 --- /dev/null +++ b/tests-m32/nlattr_tca_stab.c @@ -0,0 +1,127 @@ +/* + * 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; +} |