// SPDX-License-Identifier: GPL-2.0 #include #include void test_skb_helpers(void) { struct __sk_buff skb = { .wire_len = 100, .gso_segs = 8, .gso_size = 10, }; struct bpf_prog_test_run_attr tattr = { .data_in = &pkt_v4, .data_size_in = sizeof(pkt_v4), .ctx_in = &skb, .ctx_size_in = sizeof(skb), .ctx_out = &skb, .ctx_size_out = sizeof(skb), }; struct bpf_object *obj; int err; err = bpf_prog_load("./test_skb_helpers.o", BPF_PROG_TYPE_SCHED_CLS, &obj, &tattr.prog_fd); if (CHECK_ATTR(err, "load", "err %d errno %d\n", err, errno)) return; err = bpf_prog_test_run_xattr(&tattr); CHECK_ATTR(err, "len", "err %d errno %d\n", err, errno); bpf_object__close(obj); }