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test_bpf: flag tests that cannot be jited on s390 

Flag with FLAG_EXPECTED_FAIL the BPF_MAXINSNS tests that cannot be jited
on s390 because they exceed BPF_SIZE_MAX and fail when
CONFIG_BPF_JIT_ALWAYS_ON is set. Also set .expected_errcode to -ENOTSUPP
so the tests pass in that case.

Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Kleber Sacilotto de Souza 2018-06-27 17:19:21 +02:00 committed by Daniel Borkmann
parent dd349c3ffd
commit 3203c90100
1 changed files with 20 additions and 0 deletions
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20
lib/test_bpf.c
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@ -5282,21 +5282,31 @@ static struct bpf_test tests[] = {
{ /* Mainly checking JIT here. */
"BPF_MAXINSNS: Ctx heavy transformations",
{ },
#if defined(CONFIG_BPF_JIT_ALWAYS_ON) && defined(CONFIG_S390)
CLASSIC | FLAG_EXPECTED_FAIL,
#else
CLASSIC,
#endif
{ },
{
{ 1, !!(SKB_VLAN_TCI & VLAN_TAG_PRESENT) },
{ 10, !!(SKB_VLAN_TCI & VLAN_TAG_PRESENT) }
},
.fill_helper = bpf_fill_maxinsns6,
.expected_errcode = -ENOTSUPP,
},
{ /* Mainly checking JIT here. */
"BPF_MAXINSNS: Call heavy transformations",
{ },
#if defined(CONFIG_BPF_JIT_ALWAYS_ON) && defined(CONFIG_S390)
CLASSIC | FLAG_NO_DATA | FLAG_EXPECTED_FAIL,
#else
CLASSIC | FLAG_NO_DATA,
#endif
{ },
{ { 1, 0 }, { 10, 0 } },
.fill_helper = bpf_fill_maxinsns7,
.expected_errcode = -ENOTSUPP,
},
{ /* Mainly checking JIT here. */
"BPF_MAXINSNS: Jump heavy test",
@ -5347,18 +5357,28 @@ static struct bpf_test tests[] = {
{
"BPF_MAXINSNS: exec all MSH",
{ },
#if defined(CONFIG_BPF_JIT_ALWAYS_ON) && defined(CONFIG_S390)
CLASSIC | FLAG_EXPECTED_FAIL,
#else
CLASSIC,
#endif
{ 0xfa, 0xfb, 0xfc, 0xfd, },
{ { 4, 0xababab83 } },
.fill_helper = bpf_fill_maxinsns13,
.expected_errcode = -ENOTSUPP,
},
{
"BPF_MAXINSNS: ld_abs+get_processor_id",
{ },
#if defined(CONFIG_BPF_JIT_ALWAYS_ON) && defined(CONFIG_S390)
CLASSIC | FLAG_EXPECTED_FAIL,
#else
CLASSIC,
#endif
{ },
{ { 1, 0xbee } },
.fill_helper = bpf_fill_ld_abs_get_processor_id,
.expected_errcode = -ENOTSUPP,
},
/*
* LD_IND / LD_ABS on fragmented SKBs