cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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bpf_nf.c (1652B)

      1// SPDX-License-Identifier: GPL-2.0
      2#include <test_progs.h>
      3#include <network_helpers.h>
      4#include "test_bpf_nf.skel.h"
      5
      6enum {
      7	TEST_XDP,
      8	TEST_TC_BPF,
      9};
     10
     11void test_bpf_nf_ct(int mode)
     12{
     13	struct test_bpf_nf *skel;
     14	int prog_fd, err;
     15	LIBBPF_OPTS(bpf_test_run_opts, topts,
     16		.data_in = &pkt_v4,
     17		.data_size_in = sizeof(pkt_v4),
     18		.repeat = 1,
     19	);
     20
     21	skel = test_bpf_nf__open_and_load();
     22	if (!ASSERT_OK_PTR(skel, "test_bpf_nf__open_and_load"))
     23		return;
     24
     25	if (mode == TEST_XDP)
     26		prog_fd = bpf_program__fd(skel->progs.nf_xdp_ct_test);
     27	else
     28		prog_fd = bpf_program__fd(skel->progs.nf_skb_ct_test);
     29
     30	err = bpf_prog_test_run_opts(prog_fd, &topts);
     31	if (!ASSERT_OK(err, "bpf_prog_test_run"))
     32		goto end;
     33
     34	ASSERT_EQ(skel->bss->test_einval_bpf_tuple, -EINVAL, "Test EINVAL for NULL bpf_tuple");
     35	ASSERT_EQ(skel->bss->test_einval_reserved, -EINVAL, "Test EINVAL for reserved not set to 0");
     36	ASSERT_EQ(skel->bss->test_einval_netns_id, -EINVAL, "Test EINVAL for netns_id < -1");
     37	ASSERT_EQ(skel->bss->test_einval_len_opts, -EINVAL, "Test EINVAL for len__opts != NF_BPF_CT_OPTS_SZ");
     38	ASSERT_EQ(skel->bss->test_eproto_l4proto, -EPROTO, "Test EPROTO for l4proto != TCP or UDP");
     39	ASSERT_EQ(skel->bss->test_enonet_netns_id, -ENONET, "Test ENONET for bad but valid netns_id");
     40	ASSERT_EQ(skel->bss->test_enoent_lookup, -ENOENT, "Test ENOENT for failed lookup");
     41	ASSERT_EQ(skel->bss->test_eafnosupport, -EAFNOSUPPORT, "Test EAFNOSUPPORT for invalid len__tuple");
     42end:
     43	test_bpf_nf__destroy(skel);
     44}
     45
     46void test_bpf_nf(void)
     47{
     48	if (test__start_subtest("xdp-ct"))
     49		test_bpf_nf_ct(TEST_XDP);
     50	if (test__start_subtest("tc-bpf-ct"))
     51		test_bpf_nf_ct(TEST_TC_BPF);
     52}