linux-stable/tools/testing/selftests/bpf/prog_tests/section_names.c
Andrii Nakryiko dc8698cac7 libbpf: Add support for BPF XDP link
Sync UAPI header and add support for using bpf_link-based XDP attachment.
Make xdp/ prog type set expected attach type. Kernel didn't enforce
attach_type for XDP programs before, so there is no backwards compatiblity
issues there.

Also fix section_names selftest to recognize that xdp prog types now have
expected attach type.

Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200722064603.3350758-8-andriin@fb.com
2020-07-25 20:37:02 -07:00

215 lines
5.7 KiB
C

// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2018 Facebook
#include <test_progs.h>
static int duration = 0;
struct sec_name_test {
const char sec_name[32];
struct {
int rc;
enum bpf_prog_type prog_type;
enum bpf_attach_type expected_attach_type;
} expected_load;
struct {
int rc;
enum bpf_attach_type attach_type;
} expected_attach;
};
static struct sec_name_test tests[] = {
{"InvAliD", {-ESRCH, 0, 0}, {-EINVAL, 0} },
{"cgroup", {-ESRCH, 0, 0}, {-EINVAL, 0} },
{"socket", {0, BPF_PROG_TYPE_SOCKET_FILTER, 0}, {-EINVAL, 0} },
{"kprobe/", {0, BPF_PROG_TYPE_KPROBE, 0}, {-EINVAL, 0} },
{"uprobe/", {0, BPF_PROG_TYPE_KPROBE, 0}, {-EINVAL, 0} },
{"kretprobe/", {0, BPF_PROG_TYPE_KPROBE, 0}, {-EINVAL, 0} },
{"uretprobe/", {0, BPF_PROG_TYPE_KPROBE, 0}, {-EINVAL, 0} },
{"classifier", {0, BPF_PROG_TYPE_SCHED_CLS, 0}, {-EINVAL, 0} },
{"action", {0, BPF_PROG_TYPE_SCHED_ACT, 0}, {-EINVAL, 0} },
{"tracepoint/", {0, BPF_PROG_TYPE_TRACEPOINT, 0}, {-EINVAL, 0} },
{"tp/", {0, BPF_PROG_TYPE_TRACEPOINT, 0}, {-EINVAL, 0} },
{
"raw_tracepoint/",
{0, BPF_PROG_TYPE_RAW_TRACEPOINT, 0},
{-EINVAL, 0},
},
{"raw_tp/", {0, BPF_PROG_TYPE_RAW_TRACEPOINT, 0}, {-EINVAL, 0} },
{"xdp", {0, BPF_PROG_TYPE_XDP, BPF_XDP}, {0, BPF_XDP} },
{"perf_event", {0, BPF_PROG_TYPE_PERF_EVENT, 0}, {-EINVAL, 0} },
{"lwt_in", {0, BPF_PROG_TYPE_LWT_IN, 0}, {-EINVAL, 0} },
{"lwt_out", {0, BPF_PROG_TYPE_LWT_OUT, 0}, {-EINVAL, 0} },
{"lwt_xmit", {0, BPF_PROG_TYPE_LWT_XMIT, 0}, {-EINVAL, 0} },
{"lwt_seg6local", {0, BPF_PROG_TYPE_LWT_SEG6LOCAL, 0}, {-EINVAL, 0} },
{
"cgroup_skb/ingress",
{0, BPF_PROG_TYPE_CGROUP_SKB, BPF_CGROUP_INET_INGRESS},
{0, BPF_CGROUP_INET_INGRESS},
},
{
"cgroup_skb/egress",
{0, BPF_PROG_TYPE_CGROUP_SKB, BPF_CGROUP_INET_EGRESS},
{0, BPF_CGROUP_INET_EGRESS},
},
{"cgroup/skb", {0, BPF_PROG_TYPE_CGROUP_SKB, 0}, {-EINVAL, 0} },
{
"cgroup/sock",
{0, BPF_PROG_TYPE_CGROUP_SOCK, BPF_CGROUP_INET_SOCK_CREATE},
{0, BPF_CGROUP_INET_SOCK_CREATE},
},
{
"cgroup/post_bind4",
{0, BPF_PROG_TYPE_CGROUP_SOCK, BPF_CGROUP_INET4_POST_BIND},
{0, BPF_CGROUP_INET4_POST_BIND},
},
{
"cgroup/post_bind6",
{0, BPF_PROG_TYPE_CGROUP_SOCK, BPF_CGROUP_INET6_POST_BIND},
{0, BPF_CGROUP_INET6_POST_BIND},
},
{
"cgroup/dev",
{0, BPF_PROG_TYPE_CGROUP_DEVICE, BPF_CGROUP_DEVICE},
{0, BPF_CGROUP_DEVICE},
},
{
"sockops",
{0, BPF_PROG_TYPE_SOCK_OPS, BPF_CGROUP_SOCK_OPS},
{0, BPF_CGROUP_SOCK_OPS},
},
{
"sk_skb/stream_parser",
{0, BPF_PROG_TYPE_SK_SKB, BPF_SK_SKB_STREAM_PARSER},
{0, BPF_SK_SKB_STREAM_PARSER},
},
{
"sk_skb/stream_verdict",
{0, BPF_PROG_TYPE_SK_SKB, BPF_SK_SKB_STREAM_VERDICT},
{0, BPF_SK_SKB_STREAM_VERDICT},
},
{"sk_skb", {0, BPF_PROG_TYPE_SK_SKB, 0}, {-EINVAL, 0} },
{
"sk_msg",
{0, BPF_PROG_TYPE_SK_MSG, BPF_SK_MSG_VERDICT},
{0, BPF_SK_MSG_VERDICT},
},
{
"lirc_mode2",
{0, BPF_PROG_TYPE_LIRC_MODE2, BPF_LIRC_MODE2},
{0, BPF_LIRC_MODE2},
},
{
"flow_dissector",
{0, BPF_PROG_TYPE_FLOW_DISSECTOR, BPF_FLOW_DISSECTOR},
{0, BPF_FLOW_DISSECTOR},
},
{
"cgroup/bind4",
{0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_INET4_BIND},
{0, BPF_CGROUP_INET4_BIND},
},
{
"cgroup/bind6",
{0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_INET6_BIND},
{0, BPF_CGROUP_INET6_BIND},
},
{
"cgroup/connect4",
{0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_INET4_CONNECT},
{0, BPF_CGROUP_INET4_CONNECT},
},
{
"cgroup/connect6",
{0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_INET6_CONNECT},
{0, BPF_CGROUP_INET6_CONNECT},
},
{
"cgroup/sendmsg4",
{0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_UDP4_SENDMSG},
{0, BPF_CGROUP_UDP4_SENDMSG},
},
{
"cgroup/sendmsg6",
{0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_UDP6_SENDMSG},
{0, BPF_CGROUP_UDP6_SENDMSG},
},
{
"cgroup/recvmsg4",
{0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_UDP4_RECVMSG},
{0, BPF_CGROUP_UDP4_RECVMSG},
},
{
"cgroup/recvmsg6",
{0, BPF_PROG_TYPE_CGROUP_SOCK_ADDR, BPF_CGROUP_UDP6_RECVMSG},
{0, BPF_CGROUP_UDP6_RECVMSG},
},
{
"cgroup/sysctl",
{0, BPF_PROG_TYPE_CGROUP_SYSCTL, BPF_CGROUP_SYSCTL},
{0, BPF_CGROUP_SYSCTL},
},
{
"cgroup/getsockopt",
{0, BPF_PROG_TYPE_CGROUP_SOCKOPT, BPF_CGROUP_GETSOCKOPT},
{0, BPF_CGROUP_GETSOCKOPT},
},
{
"cgroup/setsockopt",
{0, BPF_PROG_TYPE_CGROUP_SOCKOPT, BPF_CGROUP_SETSOCKOPT},
{0, BPF_CGROUP_SETSOCKOPT},
},
};
static void test_prog_type_by_name(const struct sec_name_test *test)
{
enum bpf_attach_type expected_attach_type;
enum bpf_prog_type prog_type;
int rc;
rc = libbpf_prog_type_by_name(test->sec_name, &prog_type,
&expected_attach_type);
CHECK(rc != test->expected_load.rc, "check_code",
"prog: unexpected rc=%d for %s\n", rc, test->sec_name);
if (rc)
return;
CHECK(prog_type != test->expected_load.prog_type, "check_prog_type",
"prog: unexpected prog_type=%d for %s\n",
prog_type, test->sec_name);
CHECK(expected_attach_type != test->expected_load.expected_attach_type,
"check_attach_type", "prog: unexpected expected_attach_type=%d for %s\n",
expected_attach_type, test->sec_name);
}
static void test_attach_type_by_name(const struct sec_name_test *test)
{
enum bpf_attach_type attach_type;
int rc;
rc = libbpf_attach_type_by_name(test->sec_name, &attach_type);
CHECK(rc != test->expected_attach.rc, "check_ret",
"attach: unexpected rc=%d for %s\n", rc, test->sec_name);
if (rc)
return;
CHECK(attach_type != test->expected_attach.attach_type,
"check_attach_type", "attach: unexpected attach_type=%d for %s\n",
attach_type, test->sec_name);
}
void test_section_names(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(tests); ++i) {
struct sec_name_test *test = &tests[i];
test_prog_type_by_name(test);
test_attach_type_by_name(test);
}
}