116 lines · c
1// SPDX-License-Identifier: GPL-2.02 3#define _GNU_SOURCE4#include <test_progs.h>5#include <network_helpers.h>6#include <sys/stat.h>7#include <linux/sched.h>8#include <sys/syscall.h>9 10#include "test_pkt_md_access.skel.h"11#include "test_trace_ext.skel.h"12#include "test_trace_ext_tracing.skel.h"13 14static __u32 duration;15 16void test_trace_ext(void)17{18 struct test_pkt_md_access *skel_pkt = NULL;19 struct test_trace_ext_tracing *skel_trace = NULL;20 struct test_trace_ext_tracing__bss *bss_trace;21 struct test_trace_ext *skel_ext = NULL;22 struct test_trace_ext__bss *bss_ext;23 int err, pkt_fd, ext_fd;24 struct bpf_program *prog;25 char buf[100];26 __u64 len;27 LIBBPF_OPTS(bpf_test_run_opts, topts,28 .data_in = &pkt_v4,29 .data_size_in = sizeof(pkt_v4),30 .repeat = 1,31 );32 33 /* open/load/attach test_pkt_md_access */34 skel_pkt = test_pkt_md_access__open_and_load();35 if (CHECK(!skel_pkt, "setup", "classifier/test_pkt_md_access open failed\n"))36 goto cleanup;37 38 err = test_pkt_md_access__attach(skel_pkt);39 if (CHECK(err, "setup", "classifier/test_pkt_md_access attach failed: %d\n", err))40 goto cleanup;41 42 prog = skel_pkt->progs.test_pkt_md_access;43 pkt_fd = bpf_program__fd(prog);44 45 /* open extension */46 skel_ext = test_trace_ext__open();47 if (CHECK(!skel_ext, "setup", "freplace/test_pkt_md_access open failed\n"))48 goto cleanup;49 50 /* set extension's attach target - test_pkt_md_access */51 prog = skel_ext->progs.test_pkt_md_access_new;52 bpf_program__set_attach_target(prog, pkt_fd, "test_pkt_md_access");53 54 /* load/attach extension */55 err = test_trace_ext__load(skel_ext);56 if (CHECK(err, "setup", "freplace/test_pkt_md_access load failed\n")) {57 libbpf_strerror(err, buf, sizeof(buf));58 fprintf(stderr, "%s\n", buf);59 goto cleanup;60 }61 62 err = test_trace_ext__attach(skel_ext);63 if (CHECK(err, "setup", "freplace/test_pkt_md_access attach failed: %d\n", err))64 goto cleanup;65 66 prog = skel_ext->progs.test_pkt_md_access_new;67 ext_fd = bpf_program__fd(prog);68 69 /* open tracing */70 skel_trace = test_trace_ext_tracing__open();71 if (CHECK(!skel_trace, "setup", "tracing/test_pkt_md_access_new open failed\n"))72 goto cleanup;73 74 /* set tracing's attach target - fentry */75 prog = skel_trace->progs.fentry;76 bpf_program__set_attach_target(prog, ext_fd, "test_pkt_md_access_new");77 78 /* set tracing's attach target - fexit */79 prog = skel_trace->progs.fexit;80 bpf_program__set_attach_target(prog, ext_fd, "test_pkt_md_access_new");81 82 /* load/attach tracing */83 err = test_trace_ext_tracing__load(skel_trace);84 if (!ASSERT_OK(err, "tracing/test_pkt_md_access_new load")) {85 libbpf_strerror(err, buf, sizeof(buf));86 fprintf(stderr, "%s\n", buf);87 goto cleanup;88 }89 90 err = test_trace_ext_tracing__attach(skel_trace);91 if (!ASSERT_OK(err, "tracing/test_pkt_md_access_new attach"))92 goto cleanup;93 94 /* trigger the test */95 err = bpf_prog_test_run_opts(pkt_fd, &topts);96 ASSERT_OK(err, "test_run_opts err");97 ASSERT_OK(topts.retval, "test_run_opts retval");98 99 bss_ext = skel_ext->bss;100 bss_trace = skel_trace->bss;101 102 len = bss_ext->ext_called;103 104 ASSERT_NEQ(bss_ext->ext_called, 0,105 "failed to trigger freplace/test_pkt_md_access");106 ASSERT_EQ(bss_trace->fentry_called, len,107 "failed to trigger fentry/test_pkt_md_access_new");108 ASSERT_EQ(bss_trace->fexit_called, len,109 "failed to trigger fexit/test_pkt_md_access_new");110 111cleanup:112 test_trace_ext_tracing__destroy(skel_trace);113 test_trace_ext__destroy(skel_ext);114 test_pkt_md_access__destroy(skel_pkt);115}116