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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kfunc_call.c (2731B)

      1// SPDX-License-Identifier: GPL-2.0
      2/* Copyright (c) 2021 Facebook */
      3#include <test_progs.h>
      4#include <network_helpers.h>
      5#include "kfunc_call_test.lskel.h"
      6#include "kfunc_call_test_subprog.skel.h"
      7#include "kfunc_call_test_subprog.lskel.h"
      8
      9static void test_main(void)
     10{
     11	struct kfunc_call_test_lskel *skel;
     12	int prog_fd, err;
     13	LIBBPF_OPTS(bpf_test_run_opts, topts,
     14		.data_in = &pkt_v4,
     15		.data_size_in = sizeof(pkt_v4),
     16		.repeat = 1,
     17	);
     18
     19	skel = kfunc_call_test_lskel__open_and_load();
     20	if (!ASSERT_OK_PTR(skel, "skel"))
     21		return;
     22
     23	prog_fd = skel->progs.kfunc_call_test1.prog_fd;
     24	err = bpf_prog_test_run_opts(prog_fd, &topts);
     25	ASSERT_OK(err, "bpf_prog_test_run(test1)");
     26	ASSERT_EQ(topts.retval, 12, "test1-retval");
     27
     28	prog_fd = skel->progs.kfunc_call_test2.prog_fd;
     29	err = bpf_prog_test_run_opts(prog_fd, &topts);
     30	ASSERT_OK(err, "bpf_prog_test_run(test2)");
     31	ASSERT_EQ(topts.retval, 3, "test2-retval");
     32
     33	prog_fd = skel->progs.kfunc_call_test_ref_btf_id.prog_fd;
     34	err = bpf_prog_test_run_opts(prog_fd, &topts);
     35	ASSERT_OK(err, "bpf_prog_test_run(test_ref_btf_id)");
     36	ASSERT_EQ(topts.retval, 0, "test_ref_btf_id-retval");
     37
     38	kfunc_call_test_lskel__destroy(skel);
     39}
     40
     41static void test_subprog(void)
     42{
     43	struct kfunc_call_test_subprog *skel;
     44	int prog_fd, err;
     45	LIBBPF_OPTS(bpf_test_run_opts, topts,
     46		.data_in = &pkt_v4,
     47		.data_size_in = sizeof(pkt_v4),
     48		.repeat = 1,
     49	);
     50
     51	skel = kfunc_call_test_subprog__open_and_load();
     52	if (!ASSERT_OK_PTR(skel, "skel"))
     53		return;
     54
     55	prog_fd = bpf_program__fd(skel->progs.kfunc_call_test1);
     56	err = bpf_prog_test_run_opts(prog_fd, &topts);
     57	ASSERT_OK(err, "bpf_prog_test_run(test1)");
     58	ASSERT_EQ(topts.retval, 10, "test1-retval");
     59	ASSERT_NEQ(skel->data->active_res, -1, "active_res");
     60	ASSERT_EQ(skel->data->sk_state_res, BPF_TCP_CLOSE, "sk_state_res");
     61
     62	kfunc_call_test_subprog__destroy(skel);
     63}
     64
     65static void test_subprog_lskel(void)
     66{
     67	struct kfunc_call_test_subprog_lskel *skel;
     68	int prog_fd, err;
     69	LIBBPF_OPTS(bpf_test_run_opts, topts,
     70		.data_in = &pkt_v4,
     71		.data_size_in = sizeof(pkt_v4),
     72		.repeat = 1,
     73	);
     74
     75	skel = kfunc_call_test_subprog_lskel__open_and_load();
     76	if (!ASSERT_OK_PTR(skel, "skel"))
     77		return;
     78
     79	prog_fd = skel->progs.kfunc_call_test1.prog_fd;
     80	err = bpf_prog_test_run_opts(prog_fd, &topts);
     81	ASSERT_OK(err, "bpf_prog_test_run(test1)");
     82	ASSERT_EQ(topts.retval, 10, "test1-retval");
     83	ASSERT_NEQ(skel->data->active_res, -1, "active_res");
     84	ASSERT_EQ(skel->data->sk_state_res, BPF_TCP_CLOSE, "sk_state_res");
     85
     86	kfunc_call_test_subprog_lskel__destroy(skel);
     87}
     88
     89void test_kfunc_call(void)
     90{
     91	if (test__start_subtest("main"))
     92		test_main();
     93
     94	if (test__start_subtest("subprog"))
     95		test_subprog();
     96
     97	if (test__start_subtest("subprog_lskel"))
     98		test_subprog_lskel();
     99}