netdev - [PATCH net-next 4/5] selftests: tls: add selftest variant for pad

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Date:   Tue,  5 Jul 2022 16:59:25 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, edumazet@...gle.com, pabeni@...hat.com,
        john.fastabend@...il.com, borisp@...dia.com,
        linux-doc@...r.kernel.org, linux-kselftest@...r.kernel.org,
        maximmi@...dia.com, Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH net-next 4/5] selftests: tls: add selftest variant for pad

Add a self-test variant with TLS 1.3 nopad set.

Signed-off-by: Jakub Kicinski <kuba@...nel.org>
---
 tools/testing/selftests/net/tls.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c
index 5a149ee94330..51d84f7fe3be 100644
--- a/tools/testing/selftests/net/tls.c
+++ b/tools/testing/selftests/net/tls.c
@@ -235,6 +235,7 @@ FIXTURE_VARIANT(tls)
 {
 	uint16_t tls_version;
 	uint16_t cipher_type;
+	bool nopad;
 };
 
 FIXTURE_VARIANT_ADD(tls, 12_aes_gcm)
@@ -297,9 +298,17 @@ FIXTURE_VARIANT_ADD(tls, 13_aes_gcm_256)
 	.cipher_type = TLS_CIPHER_AES_GCM_256,
 };
 
+FIXTURE_VARIANT_ADD(tls, 13_nopad)
+{
+	.tls_version = TLS_1_3_VERSION,
+	.cipher_type = TLS_CIPHER_AES_GCM_128,
+	.nopad = true,
+};
+
 FIXTURE_SETUP(tls)
 {
 	struct tls_crypto_info_keys tls12;
+	int one = 1;
 	int ret;
 
 	tls_crypto_info_init(variant->tls_version, variant->cipher_type,
@@ -315,6 +324,12 @@ FIXTURE_SETUP(tls)
 
 	ret = setsockopt(self->cfd, SOL_TLS, TLS_RX, &tls12, tls12.len);
 	ASSERT_EQ(ret, 0);
+
+	if (variant->nopad) {
+		ret = setsockopt(self->cfd, SOL_TLS, TLS_RX_EXPECT_NO_PAD,
+				 (void *)&one, sizeof(one));
+		ASSERT_EQ(ret, 0);
+	}
 }
 
 FIXTURE_TEARDOWN(tls)
-- 
2.36.1