/* * Copyright (c) 2017 JingPiao Chen * 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 #include #include "test_nlattr.h" #include #include #ifdef HAVE_LINUX_IF_LINK_H # include #endif #include #ifndef IFLA_LINKINFO # define IFLA_LINKINFO 18 #endif #ifndef IFLA_VF_PORTS # define IFLA_VF_PORTS 24 #endif #define IFLA_LINK_NETNSID 37 #ifndef IFLA_INFO_KIND # define IFLA_INFO_KIND 1 #endif #ifndef IFLA_VF_PORT # define IFLA_VF_PORT 1 #endif static void init_ifinfomsg(struct nlmsghdr *const nlh, const unsigned int msg_len) { SET_STRUCT(struct nlmsghdr, nlh, .nlmsg_len = msg_len, .nlmsg_type = RTM_GETLINK, .nlmsg_flags = NLM_F_DUMP ); struct ifinfomsg *const msg = NLMSG_DATA(nlh); SET_STRUCT(struct ifinfomsg, msg, .ifi_family = AF_UNIX, .ifi_type = ARPHRD_LOOPBACK, .ifi_index = ifindex_lo(), .ifi_flags = IFF_UP, ); } static void print_ifinfomsg(const unsigned int msg_len) { printf("{len=%u, type=RTM_GETLINK, flags=NLM_F_DUMP" ", seq=0, pid=0}, {ifi_family=AF_UNIX" ", ifi_type=ARPHRD_LOOPBACK" ", ifi_index=" IFINDEX_LO_STR ", ifi_flags=IFF_UP, ifi_change=0}", 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 ifinfomsg); void *nlh0 = tail_alloc(NLMSG_SPACE(hdrlen)); static char pattern[4096]; fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1); const unsigned int nla_type = 0xffff & NLA_TYPE_MASK; char nla_type_str[256]; sprintf(nla_type_str, "%#x /* IFLA_??? */", nla_type); TEST_NLATTR_(fd, nlh0, hdrlen, init_ifinfomsg, print_ifinfomsg, nla_type, nla_type_str, 4, pattern, 4, print_quoted_hex(pattern, 4)); const int32_t netnsid = 0xacbdabda; TEST_NLATTR_OBJECT(fd, nlh0, hdrlen, init_ifinfomsg, print_ifinfomsg, IFLA_LINK_NETNSID, pattern, netnsid, printf("%d", netnsid)); static const struct rtnl_link_stats st = { .rx_packets = 0xabcdefac, .tx_packets = 0xbcdacdab, .rx_bytes = 0xcdbafaab, .tx_bytes = 0xdafabadb, .rx_errors = 0xeabcdaeb, .tx_errors = 0xfefabeab, .rx_dropped = 0xadbafafb, .tx_dropped = 0xbdffabda, .multicast = 0xcdabdfea, .collisions = 0xefadbaeb, .rx_length_errors = 0xfabffabd, .rx_over_errors = 0xafbafabc, .rx_crc_errors = 0xbfdabdad, .rx_frame_errors = 0xcfdabfad, .rx_fifo_errors = 0xddfdebad, .rx_missed_errors = 0xefabdcba, .tx_aborted_errors = 0xefdadbfa, .tx_carrier_errors = 0xfaefbada, .tx_fifo_errors = 0xaebdffab, .tx_heartbeat_errors = 0xbadebaaf, .tx_window_errors = 0xcdafbada, .rx_compressed = 0xdeffadbd, .tx_compressed = 0xefdadfab }; TEST_NLATTR_OBJECT(fd, nlh0, hdrlen, init_ifinfomsg, print_ifinfomsg, IFLA_STATS, pattern, st, PRINT_FIELD_U("{", st, rx_packets); PRINT_FIELD_U(", ", st, tx_packets); PRINT_FIELD_U(", ", st, rx_bytes); PRINT_FIELD_U(", ", st, tx_bytes); PRINT_FIELD_U(", ", st, rx_errors); PRINT_FIELD_U(", ", st, tx_errors); PRINT_FIELD_U(", ", st, rx_dropped); PRINT_FIELD_U(", ", st, tx_dropped); PRINT_FIELD_U(", ", st, multicast); PRINT_FIELD_U(", ", st, collisions); PRINT_FIELD_U(", ", st, rx_length_errors); PRINT_FIELD_U(", ", st, rx_over_errors); PRINT_FIELD_U(", ", st, rx_crc_errors); PRINT_FIELD_U(", ", st, rx_frame_errors); PRINT_FIELD_U(", ", st, rx_fifo_errors); PRINT_FIELD_U(", ", st, rx_missed_errors); PRINT_FIELD_U(", ", st, tx_aborted_errors); PRINT_FIELD_U(", ", st, tx_carrier_errors); PRINT_FIELD_U(", ", st, tx_fifo_errors); PRINT_FIELD_U(", ", st, tx_heartbeat_errors); PRINT_FIELD_U(", ", st, tx_window_errors); PRINT_FIELD_U(", ", st, rx_compressed); PRINT_FIELD_U(", ", st, tx_compressed); #ifdef HAVE_STRUCT_RTNL_LINK_STATS_RX_NOHANDLER PRINT_FIELD_U(", ", st, rx_nohandler); #endif printf("}")); #ifdef HAVE_STRUCT_RTNL_LINK_STATS_RX_NOHANDLER const unsigned int sizeof_stats = offsetofend(struct rtnl_link_stats, tx_compressed); TEST_NLATTR(fd, nlh0, hdrlen, init_ifinfomsg, print_ifinfomsg, IFLA_STATS, sizeof_stats, &st, sizeof_stats, PRINT_FIELD_U("{", st, rx_packets); PRINT_FIELD_U(", ", st, tx_packets); PRINT_FIELD_U(", ", st, rx_bytes); PRINT_FIELD_U(", ", st, tx_bytes); PRINT_FIELD_U(", ", st, rx_errors); PRINT_FIELD_U(", ", st, tx_errors); PRINT_FIELD_U(", ", st, rx_dropped); PRINT_FIELD_U(", ", st, tx_dropped); PRINT_FIELD_U(", ", st, multicast); PRINT_FIELD_U(", ", st, collisions); PRINT_FIELD_U(", ", st, rx_length_errors); PRINT_FIELD_U(", ", st, rx_over_errors); PRINT_FIELD_U(", ", st, rx_crc_errors); PRINT_FIELD_U(", ", st, rx_frame_errors); PRINT_FIELD_U(", ", st, rx_fifo_errors); PRINT_FIELD_U(", ", st, rx_missed_errors); PRINT_FIELD_U(", ", st, tx_aborted_errors); PRINT_FIELD_U(", ", st, tx_carrier_errors); PRINT_FIELD_U(", ", st, tx_fifo_errors); PRINT_FIELD_U(", ", st, tx_heartbeat_errors); PRINT_FIELD_U(", ", st, tx_window_errors); PRINT_FIELD_U(", ", st, rx_compressed); PRINT_FIELD_U(", ", st, tx_compressed); printf("}")); #endif /* HAVE_STRUCT_RTNL_LINK_STATS_RX_NOHANDLER */ static const struct rtnl_link_ifmap map = { .mem_start = 0xadcbefedefbcdedb, .mem_end = 0xefcbeabdecdcdefa, .base_addr = 0xaddbeabdfaacdbae, .irq = 0xefaf, .dma = 0xab, .port = 0xcd }; const unsigned int sizeof_ifmap = offsetofend(struct rtnl_link_ifmap, port); const unsigned int plen = sizeof_ifmap - 1 > DEFAULT_STRLEN ? DEFAULT_STRLEN : (int) sizeof_ifmap - 1; /* len < sizeof_ifmap */ TEST_NLATTR(fd, nlh0, hdrlen, init_ifinfomsg, print_ifinfomsg, IFLA_MAP, plen, pattern, plen, print_quoted_hex(pattern, plen)); /* short read of sizeof_ifmap */ TEST_NLATTR(fd, nlh0, hdrlen, init_ifinfomsg, print_ifinfomsg, IFLA_MAP, sizeof_ifmap, &map, sizeof_ifmap - 1, printf("%p", RTA_DATA(TEST_NLATTR_nla))); /* sizeof_ifmap */ TEST_NLATTR(fd, nlh0, hdrlen, init_ifinfomsg, print_ifinfomsg, IFLA_MAP, sizeof_ifmap, &map, sizeof_ifmap, PRINT_FIELD_X("{", map, mem_start); PRINT_FIELD_X(", ", map, mem_end); PRINT_FIELD_X(", ", map, base_addr); PRINT_FIELD_U(", ", map, irq); PRINT_FIELD_U(", ", map, dma); PRINT_FIELD_U(", ", map, port); printf("}")); #ifdef HAVE_STRUCT_RTNL_LINK_STATS64 static const struct rtnl_link_stats64 st64 = { .rx_packets = 0xadcbefedefbcdedb, .tx_packets = 0xbdabdedabdcdeabd, .rx_bytes = 0xcdbaefbaeadfabec, .tx_bytes = 0xdbaedbafabbeacdb, .rx_errors = 0xefabfdaefabaefab, .tx_errors = 0xfaebfabfabbaeabf, .rx_dropped = 0xacdbaedbadbabeba, .tx_dropped = 0xbcdeffebdabeadbe, .multicast = 0xeeffbaeabaeffabe, .collisions = 0xffbaefcefbafacef, .rx_length_errors = 0xaabbdeabceffdecb, .rx_over_errors = 0xbbdcdadebadeaeed, .rx_crc_errors= 0xccdeabecefaedbef, .rx_frame_errors = 0xddbedaedebcedaef, .rx_fifo_errors = 0xeffbadefafdaeaab, .rx_missed_errors = 0xfefaebccceadeecd, .tx_aborted_errors = 0xabcdadefcdadef, .tx_carrier_errors = 0xbccdafaeeaaefe, .tx_fifo_errors = 0xcddefdbedeadce, .tx_heartbeat_errors = 0xedaededdadcdea, .tx_window_errors = 0xfdacdeaccedcda, .rx_compressed = 0xacdbbcacdbccef, .tx_compressed = 0xbcdadefcdedfea }; TEST_NLATTR_OBJECT(fd, nlh0, hdrlen, init_ifinfomsg, print_ifinfomsg, IFLA_STATS64, pattern, st64, PRINT_FIELD_U("{", st64, rx_packets); PRINT_FIELD_U(", ", st64, tx_packets); PRINT_FIELD_U(", ", st64, rx_bytes); PRINT_FIELD_U(", ", st64, tx_bytes); PRINT_FIELD_U(", ", st64, rx_errors); PRINT_FIELD_U(", ", st64, tx_errors); PRINT_FIELD_U(", ", st64, rx_dropped); PRINT_FIELD_U(", ", st64, tx_dropped); PRINT_FIELD_U(", ", st64, multicast); PRINT_FIELD_U(", ", st64, collisions); PRINT_FIELD_U(", ", st64, rx_length_errors); PRINT_FIELD_U(", ", st64, rx_over_errors); PRINT_FIELD_U(", ", st64, rx_crc_errors); PRINT_FIELD_U(", ", st64, rx_frame_errors); PRINT_FIELD_U(", ", st64, rx_fifo_errors); PRINT_FIELD_U(", ", st64, rx_missed_errors); PRINT_FIELD_U(", ", st64, tx_aborted_errors); PRINT_FIELD_U(", ", st64, tx_carrier_errors); PRINT_FIELD_U(", ", st64, tx_fifo_errors); PRINT_FIELD_U(", ", st64, tx_heartbeat_errors); PRINT_FIELD_U(", ", st64, tx_window_errors); PRINT_FIELD_U(", ", st64, rx_compressed); PRINT_FIELD_U(", ", st64, tx_compressed); #ifdef HAVE_STRUCT_RTNL_LINK_STATS64_RX_NOHANDLER PRINT_FIELD_U(", ", st64, rx_nohandler); #endif printf("}")); #ifdef HAVE_STRUCT_RTNL_LINK_STATS64_RX_NOHANDLER const unsigned int sizeof_stats64 = offsetofend(struct rtnl_link_stats64, tx_compressed); TEST_NLATTR(fd, nlh0, hdrlen, init_ifinfomsg, print_ifinfomsg, IFLA_STATS64, sizeof_stats64, &st64, sizeof_stats64, PRINT_FIELD_U("{", st64, rx_packets); PRINT_FIELD_U(", ", st64, tx_packets); PRINT_FIELD_U(", ", st64, rx_bytes); PRINT_FIELD_U(", ", st64, tx_bytes); PRINT_FIELD_U(", ", st64, rx_errors); PRINT_FIELD_U(", ", st64, tx_errors); PRINT_FIELD_U(", ", st64, rx_dropped); PRINT_FIELD_U(", ", st64, tx_dropped); PRINT_FIELD_U(", ", st64, multicast); PRINT_FIELD_U(", ", st64, collisions); PRINT_FIELD_U(", ", st64, rx_length_errors); PRINT_FIELD_U(", ", st64, rx_over_errors); PRINT_FIELD_U(", ", st64, rx_crc_errors); PRINT_FIELD_U(", ", st64, rx_frame_errors); PRINT_FIELD_U(", ", st64, rx_fifo_errors); PRINT_FIELD_U(", ", st64, rx_missed_errors); PRINT_FIELD_U(", ", st64, tx_aborted_errors); PRINT_FIELD_U(", ", st64, tx_carrier_errors); PRINT_FIELD_U(", ", st64, tx_fifo_errors); PRINT_FIELD_U(", ", st64, tx_heartbeat_errors); PRINT_FIELD_U(", ", st64, tx_window_errors); PRINT_FIELD_U(", ", st64, rx_compressed); PRINT_FIELD_U(", ", st64, tx_compressed); printf("}")); #endif /* HAVE_STRUCT_RTNL_LINK_STATS64_RX_NOHANDLER */ #endif /* HAVE_STRUCT_RTNL_LINK_STATS64 */ struct nlattr nla = { .nla_len = sizeof(nla), .nla_type = IFLA_INFO_KIND, }; TEST_NLATTR(fd, nlh0, hdrlen, init_ifinfomsg, print_ifinfomsg, IFLA_LINKINFO, sizeof(nla), &nla, sizeof(nla), printf("{nla_len=%u, nla_type=IFLA_INFO_KIND}", nla.nla_len)); nla.nla_type = IFLA_VF_PORT; TEST_NLATTR(fd, nlh0, hdrlen, init_ifinfomsg, print_ifinfomsg, IFLA_VF_PORTS, sizeof(nla), &nla, sizeof(nla), printf("{nla_len=%u, nla_type=IFLA_VF_PORT}", nla.nla_len)); puts("+++ exited with 0 +++"); return 0; }