From 186d1a86003ddcf0ec9e85e17ece868663106639 Mon Sep 17 00:00:00 2001 From: Andrii Nakryiko Date: Wed, 1 Dec 2021 15:28:21 -0800 Subject: selftests/bpf: Remove all the uses of deprecated bpf_prog_load_xattr() Migrate all the selftests that were still using bpf_prog_load_xattr(). Few are converted to skeleton, others will use bpf_object__open_file() API. Signed-off-by: Andrii Nakryiko Signed-off-by: Alexei Starovoitov Link: https://lore.kernel.org/bpf/20211201232824.3166325-7-andrii@kernel.org --- .../selftests/bpf/prog_tests/bpf_verif_scale.c | 30 +++++++---- .../selftests/bpf/prog_tests/connect_force_port.c | 17 ++++--- tools/testing/selftests/bpf/prog_tests/kfree_skb.c | 58 +++++++--------------- .../selftests/bpf/prog_tests/sockopt_inherit.c | 12 ++--- .../selftests/bpf/prog_tests/sockopt_multi.c | 12 ++--- tools/testing/selftests/bpf/prog_tests/tcp_rtt.c | 21 +++----- .../selftests/bpf/prog_tests/test_global_funcs.c | 28 ++++++++--- tools/testing/selftests/bpf/test_sock_addr.c | 33 ++++++++---- tools/testing/selftests/bpf/xdp_redirect_multi.c | 15 +++--- 9 files changed, 119 insertions(+), 107 deletions(-) (limited to 'tools/testing/selftests/bpf') diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_verif_scale.c b/tools/testing/selftests/bpf/prog_tests/bpf_verif_scale.c index 1fb16f8dad56..ff6cce9fef06 100644 --- a/tools/testing/selftests/bpf/prog_tests/bpf_verif_scale.c +++ b/tools/testing/selftests/bpf/prog_tests/bpf_verif_scale.c @@ -19,16 +19,28 @@ extern int extra_prog_load_log_flags; static int check_load(const char *file, enum bpf_prog_type type) { - struct bpf_prog_load_attr attr; struct bpf_object *obj = NULL; - int err, prog_fd; - - memset(&attr, 0, sizeof(struct bpf_prog_load_attr)); - attr.file = file; - attr.prog_type = type; - attr.log_level = 4 | extra_prog_load_log_flags; - attr.prog_flags = BPF_F_TEST_RND_HI32; - err = bpf_prog_load_xattr(&attr, &obj, &prog_fd); + struct bpf_program *prog; + int err; + + obj = bpf_object__open_file(file, NULL); + err = libbpf_get_error(obj); + if (err) + return err; + + prog = bpf_object__next_program(obj, NULL); + if (!prog) { + err = -ENOENT; + goto err_out; + } + + bpf_program__set_type(prog, type); + bpf_program__set_flags(prog, BPF_F_TEST_RND_HI32); + bpf_program__set_log_level(prog, 4 | extra_prog_load_log_flags); + + err = bpf_object__load(obj); + +err_out: bpf_object__close(obj); return err; } diff --git a/tools/testing/selftests/bpf/prog_tests/connect_force_port.c b/tools/testing/selftests/bpf/prog_tests/connect_force_port.c index 9229db2f5ca5..ca574e1e30e6 100644 --- a/tools/testing/selftests/bpf/prog_tests/connect_force_port.c +++ b/tools/testing/selftests/bpf/prog_tests/connect_force_port.c @@ -51,19 +51,20 @@ static int run_test(int cgroup_fd, int server_fd, int family, int type) bool v4 = family == AF_INET; __u16 expected_local_port = v4 ? 22222 : 22223; __u16 expected_peer_port = 60000; - struct bpf_prog_load_attr attr = { - .file = v4 ? "./connect_force_port4.o" : - "./connect_force_port6.o", - }; struct bpf_program *prog; struct bpf_object *obj; - int xlate_fd, fd, err; + const char *obj_file = v4 ? "connect_force_port4.o" : "connect_force_port6.o"; + int fd, err; __u32 duration = 0; - err = bpf_prog_load_xattr(&attr, &obj, &xlate_fd); - if (err) { - log_err("Failed to load BPF object"); + obj = bpf_object__open_file(obj_file, NULL); + if (!ASSERT_OK_PTR(obj, "bpf_obj_open")) return -1; + + err = bpf_object__load(obj); + if (!ASSERT_OK(err, "bpf_obj_load")) { + err = -EIO; + goto close_bpf_object; } prog = bpf_object__find_program_by_title(obj, v4 ? diff --git a/tools/testing/selftests/bpf/prog_tests/kfree_skb.c b/tools/testing/selftests/bpf/prog_tests/kfree_skb.c index 2a49f8fcde06..ce10d2fc3a6c 100644 --- a/tools/testing/selftests/bpf/prog_tests/kfree_skb.c +++ b/tools/testing/selftests/bpf/prog_tests/kfree_skb.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 #include #include +#include "kfree_skb.skel.h" struct meta { int ifindex; @@ -58,16 +59,11 @@ void serial_test_kfree_skb(void) .ctx_in = &skb, .ctx_size_in = sizeof(skb), }; - struct bpf_prog_load_attr attr = { - .file = "./kfree_skb.o", - }; - - struct bpf_link *link = NULL, *link_fentry = NULL, *link_fexit = NULL; - struct bpf_map *perf_buf_map, *global_data; - struct bpf_program *prog, *fentry, *fexit; - struct bpf_object *obj, *obj2 = NULL; + struct kfree_skb *skel = NULL; + struct bpf_link *link; + struct bpf_object *obj; struct perf_buffer *pb = NULL; - int err, kfree_skb_fd; + int err; bool passed = false; __u32 duration = 0; const int zero = 0; @@ -78,40 +74,27 @@ void serial_test_kfree_skb(void) if (CHECK(err, "prog_load sched cls", "err %d errno %d\n", err, errno)) return; - err = bpf_prog_load_xattr(&attr, &obj2, &kfree_skb_fd); - if (CHECK(err, "prog_load raw tp", "err %d errno %d\n", err, errno)) - goto close_prog; - - prog = bpf_object__find_program_by_title(obj2, "tp_btf/kfree_skb"); - if (CHECK(!prog, "find_prog", "prog kfree_skb not found\n")) - goto close_prog; - fentry = bpf_object__find_program_by_title(obj2, "fentry/eth_type_trans"); - if (CHECK(!fentry, "find_prog", "prog eth_type_trans not found\n")) - goto close_prog; - fexit = bpf_object__find_program_by_title(obj2, "fexit/eth_type_trans"); - if (CHECK(!fexit, "find_prog", "prog eth_type_trans not found\n")) - goto close_prog; - - global_data = bpf_object__find_map_by_name(obj2, ".bss"); - if (CHECK(!global_data, "find global data", "not found\n")) + skel = kfree_skb__open_and_load(); + if (!ASSERT_OK_PTR(skel, "kfree_skb_skel")) goto close_prog; - link = bpf_program__attach_raw_tracepoint(prog, NULL); + link = bpf_program__attach_raw_tracepoint(skel->progs.trace_kfree_skb, NULL); if (!ASSERT_OK_PTR(link, "attach_raw_tp")) goto close_prog; - link_fentry = bpf_program__attach_trace(fentry); - if (!ASSERT_OK_PTR(link_fentry, "attach fentry")) - goto close_prog; - link_fexit = bpf_program__attach_trace(fexit); - if (!ASSERT_OK_PTR(link_fexit, "attach fexit")) + skel->links.trace_kfree_skb = link; + + link = bpf_program__attach_trace(skel->progs.fentry_eth_type_trans); + if (!ASSERT_OK_PTR(link, "attach fentry")) goto close_prog; + skel->links.fentry_eth_type_trans = link; - perf_buf_map = bpf_object__find_map_by_name(obj2, "perf_buf_map"); - if (CHECK(!perf_buf_map, "find_perf_buf_map", "not found\n")) + link = bpf_program__attach_trace(skel->progs.fexit_eth_type_trans); + if (!ASSERT_OK_PTR(link, "attach fexit")) goto close_prog; + skel->links.fexit_eth_type_trans = link; /* set up perf buffer */ - pb = perf_buffer__new(bpf_map__fd(perf_buf_map), 1, + pb = perf_buffer__new(bpf_map__fd(skel->maps.perf_buf_map), 1, on_sample, NULL, &passed, NULL); if (!ASSERT_OK_PTR(pb, "perf_buf__new")) goto close_prog; @@ -133,7 +116,7 @@ void serial_test_kfree_skb(void) */ ASSERT_TRUE(passed, "passed"); - err = bpf_map_lookup_elem(bpf_map__fd(global_data), &zero, test_ok); + err = bpf_map_lookup_elem(bpf_map__fd(skel->maps.bss), &zero, test_ok); if (CHECK(err, "get_result", "failed to get output data: %d\n", err)) goto close_prog; @@ -141,9 +124,6 @@ void serial_test_kfree_skb(void) CHECK_FAIL(!test_ok[0] || !test_ok[1]); close_prog: perf_buffer__free(pb); - bpf_link__destroy(link); - bpf_link__destroy(link_fentry); - bpf_link__destroy(link_fexit); bpf_object__close(obj); - bpf_object__close(obj2); + kfree_skb__destroy(skel); } diff --git a/tools/testing/selftests/bpf/prog_tests/sockopt_inherit.c b/tools/testing/selftests/bpf/prog_tests/sockopt_inherit.c index 86f97681ad89..6a953f4adfdc 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockopt_inherit.c +++ b/tools/testing/selftests/bpf/prog_tests/sockopt_inherit.c @@ -167,20 +167,20 @@ static int prog_attach(struct bpf_object *obj, int cgroup_fd, const char *title) static void run_test(int cgroup_fd) { - struct bpf_prog_load_attr attr = { - .file = "./sockopt_inherit.o", - }; int server_fd = -1, client_fd; struct bpf_object *obj; void *server_err; pthread_t tid; - int ignored; int err; - err = bpf_prog_load_xattr(&attr, &obj, &ignored); - if (CHECK_FAIL(err)) + obj = bpf_object__open_file("sockopt_inherit.o", NULL); + if (!ASSERT_OK_PTR(obj, "obj_open")) return; + err = bpf_object__load(obj); + if (!ASSERT_OK(err, "obj_load")) + goto close_bpf_object; + err = prog_attach(obj, cgroup_fd, "cgroup/getsockopt"); if (CHECK_FAIL(err)) goto close_bpf_object; diff --git a/tools/testing/selftests/bpf/prog_tests/sockopt_multi.c b/tools/testing/selftests/bpf/prog_tests/sockopt_multi.c index bc34f7773444..abce12ddcc37 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockopt_multi.c +++ b/tools/testing/selftests/bpf/prog_tests/sockopt_multi.c @@ -297,14 +297,10 @@ detach: void test_sockopt_multi(void) { - struct bpf_prog_load_attr attr = { - .file = "./sockopt_multi.o", - }; int cg_parent = -1, cg_child = -1; struct bpf_object *obj = NULL; int sock_fd = -1; int err = -1; - int ignored; cg_parent = test__join_cgroup("/parent"); if (CHECK_FAIL(cg_parent < 0)) @@ -314,8 +310,12 @@ void test_sockopt_multi(void) if (CHECK_FAIL(cg_child < 0)) goto out; - err = bpf_prog_load_xattr(&attr, &obj, &ignored); - if (CHECK_FAIL(err)) + obj = bpf_object__open_file("sockopt_multi.o", NULL); + if (!ASSERT_OK_PTR(obj, "obj_load")) + goto out; + + err = bpf_object__load(obj); + if (!ASSERT_OK(err, "obj_load")) goto out; sock_fd = socket(AF_INET, SOCK_STREAM, 0); diff --git a/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c b/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c index 265b4fe33ec3..96ff2c20af81 100644 --- a/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c +++ b/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c @@ -2,6 +2,7 @@ #include #include "cgroup_helpers.h" #include "network_helpers.h" +#include "tcp_rtt.skel.h" struct tcp_rtt_storage { __u32 invoked; @@ -91,26 +92,18 @@ static int verify_sk(int map_fd, int client_fd, const char *msg, __u32 invoked, static int run_test(int cgroup_fd, int server_fd) { - struct bpf_prog_load_attr attr = { - .prog_type = BPF_PROG_TYPE_SOCK_OPS, - .file = "./tcp_rtt.o", - .expected_attach_type = BPF_CGROUP_SOCK_OPS, - }; - struct bpf_object *obj; - struct bpf_map *map; + struct tcp_rtt *skel; int client_fd; int prog_fd; int map_fd; int err; - err = bpf_prog_load_xattr(&attr, &obj, &prog_fd); - if (err) { - log_err("Failed to load BPF object"); + skel = tcp_rtt__open_and_load(); + if (!ASSERT_OK_PTR(skel, "skel_open_load")) return -1; - } - map = bpf_object__next_map(obj, NULL); - map_fd = bpf_map__fd(map); + map_fd = bpf_map__fd(skel->maps.socket_storage_map); + prog_fd = bpf_program__fd(skel->progs._sockops); err = bpf_prog_attach(prog_fd, cgroup_fd, BPF_CGROUP_SOCK_OPS, 0); if (err) { @@ -149,7 +142,7 @@ close_client_fd: close(client_fd); close_bpf_object: - bpf_object__close(obj); + tcp_rtt__destroy(skel); return err; } diff --git a/tools/testing/selftests/bpf/prog_tests/test_global_funcs.c b/tools/testing/selftests/bpf/prog_tests/test_global_funcs.c index 7e13129f593a..509e21d5cb9d 100644 --- a/tools/testing/selftests/bpf/prog_tests/test_global_funcs.c +++ b/tools/testing/selftests/bpf/prog_tests/test_global_funcs.c @@ -30,17 +30,29 @@ extern int extra_prog_load_log_flags; static int check_load(const char *file) { - struct bpf_prog_load_attr attr; struct bpf_object *obj = NULL; - int err, prog_fd; + struct bpf_program *prog; + int err; - memset(&attr, 0, sizeof(struct bpf_prog_load_attr)); - attr.file = file; - attr.prog_type = BPF_PROG_TYPE_UNSPEC; - attr.log_level = extra_prog_load_log_flags; - attr.prog_flags = BPF_F_TEST_RND_HI32; found = false; - err = bpf_prog_load_xattr(&attr, &obj, &prog_fd); + + obj = bpf_object__open_file(file, NULL); + err = libbpf_get_error(obj); + if (err) + return err; + + prog = bpf_object__next_program(obj, NULL); + if (!prog) { + err = -ENOENT; + goto err_out; + } + + bpf_program__set_flags(prog, BPF_F_TEST_RND_HI32); + bpf_program__set_log_level(prog, extra_prog_load_log_flags); + + err = bpf_object__load(obj); + +err_out: bpf_object__close(obj); return err; } diff --git a/tools/testing/selftests/bpf/test_sock_addr.c b/tools/testing/selftests/bpf/test_sock_addr.c index 05c9e4944c01..f0c8d05ba6d1 100644 --- a/tools/testing/selftests/bpf/test_sock_addr.c +++ b/tools/testing/selftests/bpf/test_sock_addr.c @@ -663,23 +663,36 @@ static int load_insns(const struct sock_addr_test *test, static int load_path(const struct sock_addr_test *test, const char *path) { - struct bpf_prog_load_attr attr; struct bpf_object *obj; - int prog_fd; + struct bpf_program *prog; + int err; - memset(&attr, 0, sizeof(struct bpf_prog_load_attr)); - attr.file = path; - attr.prog_type = BPF_PROG_TYPE_CGROUP_SOCK_ADDR; - attr.expected_attach_type = test->expected_attach_type; - attr.prog_flags = BPF_F_TEST_RND_HI32; + obj = bpf_object__open_file(path, NULL); + err = libbpf_get_error(obj); + if (err) { + log_err(">>> Opening BPF object (%s) error.\n", path); + return -1; + } + + prog = bpf_object__next_program(obj, NULL); + if (!prog) + goto err_out; - if (bpf_prog_load_xattr(&attr, &obj, &prog_fd)) { + bpf_program__set_type(prog, BPF_PROG_TYPE_CGROUP_SOCK_ADDR); + bpf_program__set_expected_attach_type(prog, test->expected_attach_type); + bpf_program__set_flags(prog, BPF_F_TEST_RND_HI32); + + err = bpf_object__load(obj); + if (err) { if (test->expected_result != LOAD_REJECT) log_err(">>> Loading program (%s) error.\n", path); - return -1; + goto err_out; } - return prog_fd; + return bpf_program__fd(prog); +err_out: + bpf_object__close(obj); + return -1; } static int bind4_prog_load(const struct sock_addr_test *test) diff --git a/tools/testing/selftests/bpf/xdp_redirect_multi.c b/tools/testing/selftests/bpf/xdp_redirect_multi.c index f5ffba341c17..51c8224b4ccc 100644 --- a/tools/testing/selftests/bpf/xdp_redirect_multi.c +++ b/tools/testing/selftests/bpf/xdp_redirect_multi.c @@ -85,10 +85,7 @@ int main(int argc, char **argv) { int prog_fd, group_all, mac_map; struct bpf_program *ingress_prog, *egress_prog; - struct bpf_prog_load_attr prog_load_attr = { - .prog_type = BPF_PROG_TYPE_UNSPEC, - }; - int i, ret, opt, egress_prog_fd = 0; + int i, err, ret, opt, egress_prog_fd = 0; struct bpf_devmap_val devmap_val; bool attach_egress_prog = false; unsigned char mac_addr[6]; @@ -147,10 +144,14 @@ int main(int argc, char **argv) printf("\n"); snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); - prog_load_attr.file = filename; - - if (bpf_prog_load_xattr(&prog_load_attr, &obj, &prog_fd)) + obj = bpf_object__open_file(filename, NULL); + err = libbpf_get_error(obj); + if (err) + goto err_out; + err = bpf_object__load(obj); + if (err) goto err_out; + prog_fd = bpf_program__fd(bpf_object__next_program(obj, NULL)); if (attach_egress_prog) group_all = bpf_object__find_map_fd_by_name(obj, "map_egress"); -- cgit v1.2.3-70-g09d2