netdev - [PATCH 2/8] uapi linux bpf: add max value to enum

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Date:   Sun, 16 Oct 2016 23:18:28 +0200
From:   Eric Leblond <eric@...it.org>
To:     netdev@...r.kernel.org, wangnan0@...wei.com
Cc:     linux-kernel@...r.kernel.org, ast@...com,
        Eric Leblond <eric@...it.org>
Subject: [PATCH 2/8] uapi linux bpf: add max value to enum

It will be used to detect userspace trying to set invalid value.

Signed-off-by: Eric Leblond <eric@...it.org>
---
 include/uapi/linux/bpf.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index f09c70b..570287f 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -96,6 +96,7 @@ enum bpf_prog_type {
 	BPF_PROG_TYPE_TRACEPOINT,
 	BPF_PROG_TYPE_XDP,
 	BPF_PROG_TYPE_PERF_EVENT,
+	__MAX_BPF_PROG_TYPE,
 };
 
 #define BPF_PSEUDO_MAP_FD	1
-- 
2.9.3