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Message-Id: <20181016135936.6032-1-daniel@iogearbox.net>
Date: Tue, 16 Oct 2018 15:59:36 +0200
From: Daniel Borkmann <daniel@...earbox.net>
To: alexei.starovoitov@...il.com
Cc: rdna@...com, john.fastabend@...il.com, netdev@...r.kernel.org,
Daniel Borkmann <daniel@...earbox.net>
Subject: [PATCH bpf-next] bpf, tls: add tls header to tools infrastructure
Andrey reported a build error for the BPF kselftest suite when compiled on
a machine which does not have tls related header bits installed natively:
test_sockmap.c:120:23: fatal error: linux/tls.h: No such file or directory
#include <linux/tls.h>
^
compilation terminated.
Fix it by adding the header to the tools include infrastructure and add
definitions such as SOL_TLS that could potentially be missing.
Fixes: e9dd904708c4 ("bpf: add tls support for testing in test_sockmap")
Reported-by: Andrey Ignatov <rdna@...com>
Signed-off-by: Daniel Borkmann <daniel@...earbox.net>
---
tools/include/uapi/linux/tls.h | 78 ++++++++++++++++++++++++++++++
tools/testing/selftests/bpf/test_sockmap.c | 13 +++--
2 files changed, 86 insertions(+), 5 deletions(-)
create mode 100644 tools/include/uapi/linux/tls.h
diff --git a/tools/include/uapi/linux/tls.h b/tools/include/uapi/linux/tls.h
new file mode 100644
index 0000000..ff02287
--- /dev/null
+++ b/tools/include/uapi/linux/tls.h
@@ -0,0 +1,78 @@
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
+/*
+ * Copyright (c) 2016-2017, Mellanox Technologies. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef _UAPI_LINUX_TLS_H
+#define _UAPI_LINUX_TLS_H
+
+#include <linux/types.h>
+
+/* TLS socket options */
+#define TLS_TX 1 /* Set transmit parameters */
+#define TLS_RX 2 /* Set receive parameters */
+
+/* Supported versions */
+#define TLS_VERSION_MINOR(ver) ((ver) & 0xFF)
+#define TLS_VERSION_MAJOR(ver) (((ver) >> 8) & 0xFF)
+
+#define TLS_VERSION_NUMBER(id) ((((id##_VERSION_MAJOR) & 0xFF) << 8) | \
+ ((id##_VERSION_MINOR) & 0xFF))
+
+#define TLS_1_2_VERSION_MAJOR 0x3
+#define TLS_1_2_VERSION_MINOR 0x3
+#define TLS_1_2_VERSION TLS_VERSION_NUMBER(TLS_1_2)
+
+/* Supported ciphers */
+#define TLS_CIPHER_AES_GCM_128 51
+#define TLS_CIPHER_AES_GCM_128_IV_SIZE 8
+#define TLS_CIPHER_AES_GCM_128_KEY_SIZE 16
+#define TLS_CIPHER_AES_GCM_128_SALT_SIZE 4
+#define TLS_CIPHER_AES_GCM_128_TAG_SIZE 16
+#define TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE 8
+
+#define TLS_SET_RECORD_TYPE 1
+#define TLS_GET_RECORD_TYPE 2
+
+struct tls_crypto_info {
+ __u16 version;
+ __u16 cipher_type;
+};
+
+struct tls12_crypto_info_aes_gcm_128 {
+ struct tls_crypto_info info;
+ unsigned char iv[TLS_CIPHER_AES_GCM_128_IV_SIZE];
+ unsigned char key[TLS_CIPHER_AES_GCM_128_KEY_SIZE];
+ unsigned char salt[TLS_CIPHER_AES_GCM_128_SALT_SIZE];
+ unsigned char rec_seq[TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE];
+};
+
+#endif /* _UAPI_LINUX_TLS_H */
diff --git a/tools/testing/selftests/bpf/test_sockmap.c b/tools/testing/selftests/bpf/test_sockmap.c
index 10a5fa8..7cb69ce 100644
--- a/tools/testing/selftests/bpf/test_sockmap.c
+++ b/tools/testing/selftests/bpf/test_sockmap.c
@@ -28,6 +28,7 @@
#include <linux/sock_diag.h>
#include <linux/bpf.h>
#include <linux/if_link.h>
+#include <linux/tls.h>
#include <assert.h>
#include <libgen.h>
@@ -43,6 +44,13 @@
int running;
static void running_handler(int a);
+#ifndef TCP_ULP
+# define TCP_ULP 31
+#endif
+#ifndef SOL_TLS
+# define SOL_TLS 282
+#endif
+
/* randomly selected ports for testing on lo */
#define S1_PORT 10000
#define S2_PORT 10001
@@ -114,11 +122,6 @@ static void usage(char *argv[])
printf("\n");
}
-#define TCP_ULP 31
-#define TLS_TX 1
-#define TLS_RX 2
-#include <linux/tls.h>
-
char *sock_to_string(int s)
{
if (s == c1)
--
2.9.5
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