46 lines · c
1// SPDX-License-Identifier: GPL-2.02#include <test_progs.h>3#include <network_helpers.h>4#include "skb_load_bytes.skel.h"5 6void test_skb_load_bytes(void)7{8 struct skb_load_bytes *skel;9 int err, prog_fd, test_result;10 struct __sk_buff skb = { 0 };11 12 LIBBPF_OPTS(bpf_test_run_opts, tattr,13 .data_in = &pkt_v4,14 .data_size_in = sizeof(pkt_v4),15 .ctx_in = &skb,16 .ctx_size_in = sizeof(skb),17 );18 19 skel = skb_load_bytes__open_and_load();20 if (!ASSERT_OK_PTR(skel, "skel_open_and_load"))21 return;22 23 prog_fd = bpf_program__fd(skel->progs.skb_process);24 if (!ASSERT_GE(prog_fd, 0, "prog_fd"))25 goto out;26 27 skel->bss->load_offset = (uint32_t)(-1);28 err = bpf_prog_test_run_opts(prog_fd, &tattr);29 if (!ASSERT_OK(err, "bpf_prog_test_run_opts"))30 goto out;31 test_result = skel->bss->test_result;32 if (!ASSERT_EQ(test_result, -EFAULT, "offset -1"))33 goto out;34 35 skel->bss->load_offset = (uint32_t)10;36 err = bpf_prog_test_run_opts(prog_fd, &tattr);37 if (!ASSERT_OK(err, "bpf_prog_test_run_opts"))38 goto out;39 test_result = skel->bss->test_result;40 if (!ASSERT_EQ(test_result, 0, "offset 10"))41 goto out;42 43out:44 skb_load_bytes__destroy(skel);45}46