netdev - [PATCH v4 bpf-next 2/4] selftests/bpf: add __uint and _

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Message-ID: <20190704004911.978460-3-andriin@fb.com>
Date:   Wed, 3 Jul 2019 17:49:09 -0700
From:   Andrii Nakryiko <andriin@...com>
To:     <andrii.nakryiko@...il.com>, <kernel-team@...com>,
        <bpf@...r.kernel.org>, <netdev@...r.kernel.org>, <ast@...com>,
        <daniel@...earbox.net>
CC:     Andrii Nakryiko <andriin@...com>
Subject: [PATCH v4 bpf-next 2/4] selftests/bpf: add __uint and __type macro for BTF-defined maps

Add simple __uint and __type macro that hide details of how type and
integer values are captured in BTF-defined maps.

Signed-off-by: Andrii Nakryiko <andriin@...com>
Acked-by: Song Liu <songliubraving@...com>
Acked-by: Yonghong Song <yhs@...com>
---
 tools/testing/selftests/bpf/bpf_helpers.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/testing/selftests/bpf/bpf_helpers.h b/tools/testing/selftests/bpf/bpf_helpers.h
index 1a5b1accf091..5a3d92c8bec8 100644
--- a/tools/testing/selftests/bpf/bpf_helpers.h
+++ b/tools/testing/selftests/bpf/bpf_helpers.h
@@ -8,6 +8,9 @@
  */
 #define SEC(NAME) __attribute__((section(NAME), used))
 
+#define __uint(name, val) int (*name)[val]
+#define __type(name, val) val *name
+
 /* helper macro to print out debug messages */
 #define bpf_printk(fmt, ...)				\
 ({							\
-- 
2.17.1