// SPDX-License-Identifier: GPL-2.0 #include <test_progs.h> #include <network_helpers.h> #include "skb_load_bytes.skel.h" void test_skb_load_bytes(void) { struct skb_load_bytes *skel; int err, prog_fd, test_result; struct __sk_buff skb = { 0 }; LIBBPF_OPTS(bpf_test_run_opts, tattr, .data_in = &pkt_v4, .data_size_in = sizeof(pkt_v4), .ctx_in = &skb, .ctx_size_in = sizeof(skb), ); skel = skb_load_bytes__open_and_load(); if (!ASSERT_OK_PTR(skel, "skel_open_and_load")) return; prog_fd = bpf_program__fd(skel->progs.skb_process); if (!ASSERT_GE(prog_fd, 0, "prog_fd")) goto out; skel->bss->load_offset = (uint32_t)(-1); err = bpf_prog_test_run_opts(prog_fd, &tattr); if (!ASSERT_OK(err, "bpf_prog_test_run_opts")) goto out; test_result = skel->bss->test_result; if (!ASSERT_EQ(test_result, -EFAULT, "offset -1")) goto out; skel->bss->load_offset = (uint32_t)10; err = bpf_prog_test_run_opts(prog_fd, &tattr); if (!ASSERT_OK(err, "bpf_prog_test_run_opts")) goto out; test_result = skel->bss->test_result; if (!ASSERT_EQ(test_result, 0, "offset 10")) goto out; out: skb_load_bytes__destroy(skel); }