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selftests/bpf: Test libbpf_{prog,attach}_type_by_name
Add selftest for libbpf functions libbpf_prog_type_by_name and libbpf_attach_type_by_name. Example of output: % ./tools/testing/selftests/bpf/test_section_names Summary: 35 PASSED, 0 FAILED Signed-off-by: Andrey Ignatov <rdna@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Andrey Ignatov
Daniel Borkmann
parent
c9bf507d0a
commit
370920c47b
2 changed files with 209 additions and 1 deletions
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@ -23,7 +23,7 @@ $(TEST_CUSTOM_PROGS): $(OUTPUT)/%: %.c
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TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \
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test_align test_verifier_log test_dev_cgroup test_tcpbpf_user \
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test_sock test_btf test_sockmap test_lirc_mode2_user get_cgroup_id_user \
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test_socket_cookie test_cgroup_storage test_select_reuseport
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test_socket_cookie test_cgroup_storage test_select_reuseport test_section_names
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TEST_GEN_FILES = test_pkt_access.o test_xdp.o test_l4lb.o test_tcp_estats.o test_obj_id.o \
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test_pkt_md_access.o test_xdp_redirect.o test_xdp_meta.o sockmap_parse_prog.o \
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208
tools/testing/selftests/bpf/test_section_names.c
Normal file
208
tools/testing/selftests/bpf/test_section_names.c
Normal file
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@ -0,0 +1,208 @@
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// SPDX-License-Identifier: GPL-2.0
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// Copyright (c) 2018 Facebook
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#include <err.h>
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#include <bpf/libbpf.h>
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#include "bpf_util.h"
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struct sec_name_test {
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const char sec_name[32];
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struct {
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int rc;
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enum bpf_prog_type prog_type;
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enum bpf_attach_type expected_attach_type;
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} expected_load;
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struct {
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int rc;
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enum bpf_attach_type attach_type;
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} expected_attach;
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};
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static struct sec_name_test tests[] = {
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{"InvAliD", {-EINVAL, 0, 0}, {-EINVAL, 0} },
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{"cgroup", {-EINVAL, 0, 0}, {-EINVAL, 0} },
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{"socket", {0, BPF_PROG_TYPE_SOCKET_FILTER, 0}, {-EINVAL, 0} },
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{"kprobe/", {0, BPF_PROG_TYPE_KPROBE, 0}, {-EINVAL, 0} },
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{"kretprobe/", {0, BPF_PROG_TYPE_KPROBE, 0}, {-EINVAL, 0} },
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{"classifier", {0, BPF_PROG_TYPE_SCHED_CLS, 0}, {-EINVAL, 0} },
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{"action", {0, BPF_PROG_TYPE_SCHED_ACT, 0}, {-EINVAL, 0} },
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{"tracepoint/", {0, BPF_PROG_TYPE_TRACEPOINT, 0}, {-EINVAL, 0} },
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{
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"raw_tracepoint/",
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{0, BPF_PROG_TYPE_RAW_TRACEPOINT, 0},
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{-EINVAL, 0},
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},
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{"xdp", {0, BPF_PROG_TYPE_XDP, 0}, {-EINVAL, 0} },
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{"perf_event", {0, BPF_PROG_TYPE_PERF_EVENT, 0}, {-EINVAL, 0} },
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{"lwt_in", {0, BPF_PROG_TYPE_LWT_IN, 0}, {-EINVAL, 0} },
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{"lwt_out", {0, BPF_PROG_TYPE_LWT_OUT, 0}, {-EINVAL, 0} },
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{"lwt_xmit", {0, BPF_PROG_TYPE_LWT_XMIT, 0}, {-EINVAL, 0} },
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{"lwt_seg6local", {0, BPF_PROG_TYPE_LWT_SEG6LOCAL, 0}, {-EINVAL, 0} },
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{
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"cgroup_skb/ingress",
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{0, BPF_PROG_TYPE_CGROUP_SKB, 0},
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{0, BPF_CGROUP_INET_INGRESS},
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},
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{
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"cgroup_skb/egress",
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{0, BPF_PROG_TYPE_CGROUP_SKB, 0},
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{0, BPF_CGROUP_INET_EGRESS},
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},
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{"cgroup/skb", {0, BPF_PROG_TYPE_CGROUP_SKB, 0}, {-EINVAL, 0} },
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{
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"cgroup/sock",
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{0, BPF_PROG_TYPE_CGROUP_SOCK, 0},
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{0, BPF_CGROUP_INET_SOCK_CREATE},
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},
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{
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"cgroup/post_bind4",
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{0, BPF_PROG_TYPE_CGROUP_SOCK, BPF_CGROUP_INET4_POST_BIND},
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{0, BPF_CGROUP_INET4_POST_BIND},
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},
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{
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"cgroup/post_bind6",
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{0, BPF_PROG_TYPE_CGROUP_SOCK, BPF_CGROUP_INET6_POST_BIND},
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{0, BPF_CGROUP_INET6_POST_BIND},
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},
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{
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"cgroup/dev",
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{0, BPF_PROG_TYPE_CGROUP_DEVICE, 0},
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{0, BPF_CGROUP_DEVICE},
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},
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{"sockops", {0, BPF_PROG_TYPE_SOCK_OPS, 0}, {0, BPF_CGROUP_SOCK_OPS} },
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{
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"sk_skb/stream_parser",
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{0, BPF_PROG_TYPE_SK_SKB, 0},
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{0, BPF_SK_SKB_STREAM_PARSER},
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},
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{
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"sk_skb/stream_verdict",
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{0, BPF_PROG_TYPE_SK_SKB, 0},
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{0, BPF_SK_SKB_STREAM_VERDICT},
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},
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{"sk_skb", {0, BPF_PROG_TYPE_SK_SKB, 0}, {-EINVAL, 0} },
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{"sk_msg", {0, BPF_PROG_TYPE_SK_MSG, 0}, {0, BPF_SK_MSG_VERDICT} },
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{"lirc_mode2", {0, BPF_PROG_TYPE_LIRC_MODE2, 0}, {0, BPF_LIRC_MODE2} },
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{
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"flow_dissector",
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{0, BPF_PROG_TYPE_FLOW_DISSECTOR, 0},
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{0, BPF_FLOW_DISSECTOR},
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},
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{
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"cgroup/bind4",
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{0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_INET4_BIND},
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{0, BPF_CGROUP_INET4_BIND},
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},
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{
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"cgroup/bind6",
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{0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_INET6_BIND},
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{0, BPF_CGROUP_INET6_BIND},
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},
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{
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"cgroup/connect4",
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{0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_INET4_CONNECT},
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{0, BPF_CGROUP_INET4_CONNECT},
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},
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{
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"cgroup/connect6",
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{0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_INET6_CONNECT},
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{0, BPF_CGROUP_INET6_CONNECT},
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},
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{
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"cgroup/sendmsg4",
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{0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_UDP4_SENDMSG},
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{0, BPF_CGROUP_UDP4_SENDMSG},
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},
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{
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"cgroup/sendmsg6",
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{0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_UDP6_SENDMSG},
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{0, BPF_CGROUP_UDP6_SENDMSG},
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},
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};
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static int test_prog_type_by_name(const struct sec_name_test *test)
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{
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enum bpf_attach_type expected_attach_type;
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enum bpf_prog_type prog_type;
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int rc;
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rc = libbpf_prog_type_by_name(test->sec_name, &prog_type,
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&expected_attach_type);
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if (rc != test->expected_load.rc) {
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warnx("prog: unexpected rc=%d for %s", rc, test->sec_name);
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return -1;
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}
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if (rc)
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return 0;
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if (prog_type != test->expected_load.prog_type) {
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warnx("prog: unexpected prog_type=%d for %s", prog_type,
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test->sec_name);
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return -1;
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}
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if (expected_attach_type != test->expected_load.expected_attach_type) {
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warnx("prog: unexpected expected_attach_type=%d for %s",
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expected_attach_type, test->sec_name);
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return -1;
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}
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return 0;
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}
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static int test_attach_type_by_name(const struct sec_name_test *test)
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{
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enum bpf_attach_type attach_type;
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int rc;
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rc = libbpf_attach_type_by_name(test->sec_name, &attach_type);
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if (rc != test->expected_attach.rc) {
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warnx("attach: unexpected rc=%d for %s", rc, test->sec_name);
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return -1;
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}
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if (rc)
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return 0;
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if (attach_type != test->expected_attach.attach_type) {
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warnx("attach: unexpected attach_type=%d for %s", attach_type,
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test->sec_name);
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return -1;
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}
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return 0;
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}
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static int run_test_case(const struct sec_name_test *test)
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{
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if (test_prog_type_by_name(test))
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return -1;
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if (test_attach_type_by_name(test))
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return -1;
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return 0;
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}
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static int run_tests(void)
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{
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int passes = 0;
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int fails = 0;
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int i;
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for (i = 0; i < ARRAY_SIZE(tests); ++i) {
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if (run_test_case(&tests[i]))
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++fails;
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else
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++passes;
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}
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printf("Summary: %d PASSED, %d FAILED\n", passes, fails);
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return fails ? -1 : 0;
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}
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int main(int argc, char **argv)
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{
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return run_tests();
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}
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