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-rw-r--r--src/vnet/tcp/tcp_types.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/vnet/tcp/tcp_types.h b/src/vnet/tcp/tcp_types.h
index cc4f4b3df3a..8b599400b8c 100644
--- a/src/vnet/tcp/tcp_types.h
+++ b/src/vnet/tcp/tcp_types.h
@@ -146,7 +146,7 @@ typedef enum tcp_connection_flag_
} tcp_connection_flags_e;
#define TCP_SCOREBOARD_TRACE (0)
-#define TCP_MAX_SACK_BLOCKS 256 /**< Max number of SACK blocks stored */
+#define TCP_MAX_SACK_BLOCKS 255 /**< Max number of SACK blocks stored */
#define TCP_INVALID_SACK_HOLE_INDEX ((u32)~0)
typedef struct _scoreboard_trace_elt