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// SPDX-License-Identifier: GPL-2.0
#define _GNU_SOURCE
#include <test_progs.h>
#include <network_helpers.h>
#include <sys/stat.h>
#include <linux/sched.h>
#include <sys/syscall.h>
#include "test_pkt_md_access.skel.h"
#include "test_trace_ext.skel.h"
#include "test_trace_ext_tracing.skel.h"
static __u32 duration;
void test_trace_ext(void)
{
struct test_pkt_md_access *skel_pkt = NULL;
struct test_trace_ext_tracing *skel_trace = NULL;
struct test_trace_ext_tracing__bss *bss_trace;
struct test_trace_ext *skel_ext = NULL;
struct test_trace_ext__bss *bss_ext;
int err, pkt_fd, ext_fd;
struct bpf_program *prog;
char buf[100];
__u64 len;
LIBBPF_OPTS(bpf_test_run_opts, topts,
.data_in = &pkt_v4,
.data_size_in = sizeof(pkt_v4),
.repeat = 1,
);
/* open/load/attach test_pkt_md_access */
skel_pkt = test_pkt_md_access__open_and_load();
if (CHECK(!skel_pkt, "setup", "classifier/test_pkt_md_access open failed\n"))
goto cleanup;
err = test_pkt_md_access__attach(skel_pkt);
if (CHECK(err, "setup", "classifier/test_pkt_md_access attach failed: %d\n", err))
goto cleanup;
prog = skel_pkt->progs.test_pkt_md_access;
pkt_fd = bpf_program__fd(prog);
/* open extension */
skel_ext = test_trace_ext__open();
if (CHECK(!skel_ext, "setup", "freplace/test_pkt_md_access open failed\n"))
goto cleanup;
/* set extension's attach target - test_pkt_md_access */
prog = skel_ext->progs.test_pkt_md_access_new;
bpf_program__set_attach_target(prog, pkt_fd, "test_pkt_md_access");
/* load/attach extension */
err = test_trace_ext__load(skel_ext);
if (CHECK(err, "setup", "freplace/test_pkt_md_access load failed\n")) {
libbpf_strerror(err, buf, sizeof(buf));
fprintf(stderr, "%s\n", buf);
goto cleanup;
}
err = test_trace_ext__attach(skel_ext);
if (CHECK(err, "setup", "freplace/test_pkt_md_access attach failed: %d\n", err))
goto cleanup;
prog = skel_ext->progs.test_pkt_md_access_new;
ext_fd = bpf_program__fd(prog);
/* open tracing */
skel_trace = test_trace_ext_tracing__open();
if (CHECK(!skel_trace, "setup", "tracing/test_pkt_md_access_new open failed\n"))
goto cleanup;
/* set tracing's attach target - fentry */
prog = skel_trace->progs.fentry;
bpf_program__set_attach_target(prog, ext_fd, "test_pkt_md_access_new");
/* set tracing's attach target - fexit */
prog = skel_trace->progs.fexit;
bpf_program__set_attach_target(prog, ext_fd, "test_pkt_md_access_new");
/* load/attach tracing */
err = test_trace_ext_tracing__load(skel_trace);
if (!ASSERT_OK(err, "tracing/test_pkt_md_access_new load")) {
libbpf_strerror(err, buf, sizeof(buf));
fprintf(stderr, "%s\n", buf);
goto cleanup;
}
err = test_trace_ext_tracing__attach(skel_trace);
if (!ASSERT_OK(err, "tracing/test_pkt_md_access_new attach"))
goto cleanup;
/* trigger the test */
err = bpf_prog_test_run_opts(pkt_fd, &topts);
ASSERT_OK(err, "test_run_opts err");
ASSERT_OK(topts.retval, "test_run_opts retval");
bss_ext = skel_ext->bss;
bss_trace = skel_trace->bss;
len = bss_ext->ext_called;
ASSERT_NEQ(bss_ext->ext_called, 0,
"failed to trigger freplace/test_pkt_md_access");
ASSERT_EQ(bss_trace->fentry_called, len,
"failed to trigger fentry/test_pkt_md_access_new");
ASSERT_EQ(bss_trace->fexit_called, len,
"failed to trigger fexit/test_pkt_md_access_new");
cleanup:
test_trace_ext_tracing__destroy(skel_trace);
test_trace_ext__destroy(skel_ext);
test_pkt_md_access__destroy(skel_pkt);
}
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