1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright (c) 2025 Meta */ 3 4 #include <test_progs.h> 5 #include <network_helpers.h> 6 #include "prepare.skel.h" 7 8 static bool check_prepared(struct bpf_object *obj) 9 { 10 bool is_prepared = true; 11 const struct bpf_map *map; 12 13 bpf_object__for_each_map(map, obj) { 14 if (bpf_map__fd(map) < 0) 15 is_prepared = false; 16 } 17 18 return is_prepared; 19 } 20 21 static void test_prepare_no_load(void) 22 { 23 struct prepare *skel; 24 int err; 25 LIBBPF_OPTS(bpf_test_run_opts, topts, 26 .data_in = &pkt_v4, 27 .data_size_in = sizeof(pkt_v4), 28 ); 29 30 skel = prepare__open(); 31 if (!ASSERT_OK_PTR(skel, "prepare__open")) 32 return; 33 34 if (!ASSERT_FALSE(check_prepared(skel->obj), "not check_prepared")) 35 goto cleanup; 36 37 err = bpf_object__prepare(skel->obj); 38 39 if (!ASSERT_TRUE(check_prepared(skel->obj), "check_prepared")) 40 goto cleanup; 41 42 if (!ASSERT_OK(err, "bpf_object__prepare")) 43 goto cleanup; 44 45 cleanup: 46 prepare__destroy(skel); 47 } 48 49 static void test_prepare_load(void) 50 { 51 struct prepare *skel; 52 int err, prog_fd; 53 LIBBPF_OPTS(bpf_test_run_opts, topts, 54 .data_in = &pkt_v4, 55 .data_size_in = sizeof(pkt_v4), 56 ); 57 58 skel = prepare__open(); 59 if (!ASSERT_OK_PTR(skel, "prepare__open")) 60 return; 61 62 if (!ASSERT_FALSE(check_prepared(skel->obj), "not check_prepared")) 63 goto cleanup; 64 65 err = bpf_object__prepare(skel->obj); 66 if (!ASSERT_OK(err, "bpf_object__prepare")) 67 goto cleanup; 68 69 err = prepare__load(skel); 70 if (!ASSERT_OK(err, "prepare__load")) 71 goto cleanup; 72 73 if (!ASSERT_TRUE(check_prepared(skel->obj), "check_prepared")) 74 goto cleanup; 75 76 prog_fd = bpf_program__fd(skel->progs.program); 77 if (!ASSERT_GE(prog_fd, 0, "prog_fd")) 78 goto cleanup; 79 80 err = bpf_prog_test_run_opts(prog_fd, &topts); 81 if (!ASSERT_OK(err, "test_run_opts err")) 82 goto cleanup; 83 84 if (!ASSERT_OK(topts.retval, "test_run_opts retval")) 85 goto cleanup; 86 87 ASSERT_EQ(skel->bss->err, 0, "err"); 88 89 cleanup: 90 prepare__destroy(skel); 91 } 92 93 void test_prepare(void) 94 { 95 if (test__start_subtest("prepare_load")) 96 test_prepare_load(); 97 if (test__start_subtest("prepare_no_load")) 98 test_prepare_no_load(); 99 } 100