Re: [PATCH net v2 1/3] selftests: net: tls: check if FIPS mode is enabled

Jakub Kicinski
2023-06-09T17:53:13Z

On Fri, 9 Jun 2023 13:43:22 -0300 Magali Lemes wrote:
> diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c
> index e699548d4247..0725c60f227c 100644
> --- a/tools/testing/selftests/net/tls.c
> +++ b/tools/testing/selftests/net/tls.c
> @@ -25,6 +25,8 @@
> #define TLS_PAYLOAD_MAX_LEN 16384
> #define SOL_TLS 282
>
> +static int fips_enabled = 0;

No need to zero init static variables, but really instead of doing
the main() hack you should init this to a return value of a function.
And have that function read the value.

> struct tls_crypto_info_keys {
> union {
> struct tls12_crypto_info_aes_gcm_128 aes128;

> @@ -311,6 +317,9 @@ FIXTURE_SETUP(tls)
> int one = 1;
> int ret;
>
> + if (fips_enabled && variant->fips_non_compliant)
> + return;

Eh, let me help you, this should really be part of the SETUP() function
but SETUP() doesn't currently handle SKIP(). So you'll need to add this
to your series:

diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h
index d8bff2005dfc..3091c345452e 100644
--- a/tools/testing/selftests/kselftest_harness.h
+++ b/tools/testing/selftests/kselftest_harness.h
@@ -249,7 +249,7 @@

/**
* FIXTURE_SETUP() - Prepares the setup function for the fixture.
- * *_metadata* is included so that EXPECT_* and ASSERT_* work correctly.
+ * *_metadata* is included so that EXPECT_*, ASSERT_* etc. work correctly.
*
* @fixture_name: fixture name
*
@@ -275,7 +275,7 @@

/**
* FIXTURE_TEARDOWN()
- * *_metadata* is included so that EXPECT_* and ASSERT_* work correctly.
+ * *_metadata* is included so that EXPECT_*, ASSERT_* etc. work correctly.
*
* @fixture_name: fixture name
*
@@ -388,7 +388,7 @@
if (setjmp(_metadata->env) == 0) { \
fixture_name##_setup(_metadata, &self, variant->data); \
/* Let setup failure terminate early. */ \
- if (!_metadata->passed) \
+ if (!_metadata->passed || _metadata->skip) \
return; \
_metadata->setup_completed = true; \
fixture_name##_##test_name(_metadata, &self, variant->data); \