8801aa382e
* tests/nlattr_ifla_xdp.c: New file. * tests/gen_tests.in (nlattr_ifla_xdp): New entry. * tests/pure_executables.list: Add nlattr_ifla_xdp. * tests/.gitignore: Likewise.
113 lines
3.5 KiB
C
113 lines
3.5 KiB
C
/*
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* Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
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* Copyright (c) 2017 The strace developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#include <stdio.h>
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#include "test_nlattr.h"
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#include <linux/if.h>
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#include <linux/if_arp.h>
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#ifdef HAVE_LINUX_IF_LINK_H
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# include <linux/if_link.h>
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#endif
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#include <linux/rtnetlink.h>
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#ifndef IFLA_XDP
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# define IFLA_XDP 43
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#endif
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#ifndef IFLA_XDP_FD
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# define IFLA_XDP_FD 1
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#endif
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const unsigned int hdrlen = sizeof(struct ifinfomsg);
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static void
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init_ifinfomsg(struct nlmsghdr *const nlh, const unsigned int msg_len)
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{
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SET_STRUCT(struct nlmsghdr, nlh,
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.nlmsg_len = msg_len,
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.nlmsg_type = RTM_GETLINK,
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.nlmsg_flags = NLM_F_DUMP
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);
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struct ifinfomsg *const msg = NLMSG_DATA(nlh);
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SET_STRUCT(struct ifinfomsg, msg,
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.ifi_family = AF_UNIX,
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.ifi_type = ARPHRD_LOOPBACK,
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.ifi_index = ifindex_lo(),
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.ifi_flags = IFF_UP,
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);
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struct nlattr *const nla = NLMSG_ATTR(nlh, sizeof(*msg));
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SET_STRUCT(struct nlattr, nla,
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.nla_len = msg_len - NLMSG_SPACE(hdrlen),
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.nla_type = IFLA_XDP
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);
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}
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static void
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print_ifinfomsg(const unsigned int msg_len)
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{
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printf("{len=%u, type=RTM_GETLINK, flags=NLM_F_DUMP"
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", seq=0, pid=0}, {ifi_family=AF_UNIX"
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", ifi_type=ARPHRD_LOOPBACK"
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", ifi_index=" IFINDEX_LO_STR
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", ifi_flags=IFF_UP, ifi_change=0}"
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", {{nla_len=%u, nla_type=IFLA_XDP}",
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msg_len, msg_len - NLMSG_SPACE(hdrlen));
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}
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int
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main(void)
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{
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skip_if_unavailable("/proc/self/fd/");
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const int fd = create_nl_socket(NETLINK_ROUTE);
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void *nlh0 = tail_alloc(NLMSG_SPACE(hdrlen));
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static char pattern[4096];
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fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
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const int32_t num = 0xabacdbcd;
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TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen,
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init_ifinfomsg, print_ifinfomsg,
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IFLA_XDP_FD, pattern, num,
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printf("%d", num));
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#ifdef XDP_FLAGS_UPDATE_IF_NOEXIST
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const uint32_t flags = XDP_FLAGS_UPDATE_IF_NOEXIST;
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TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen,
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init_ifinfomsg, print_ifinfomsg,
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IFLA_XDP_FLAGS, pattern, flags,
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printf("XDP_FLAGS_UPDATE_IF_NOEXIST"));
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#endif
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puts("+++ exited with 0 +++");
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return 0;
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}
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