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-rw-r--r--src/vnet/ipsec/esp.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/vnet/ipsec/esp.h b/src/vnet/ipsec/esp.h
index 6ba2e7c7579..0f75d5459ad 100644
--- a/src/vnet/ipsec/esp.h
+++ b/src/vnet/ipsec/esp.h
@@ -56,6 +56,7 @@ typedef CLIB_PACKED (struct {
#define ESP_SEQ_MAX (4294967295UL)
#define ESP_MAX_BLOCK_SIZE (16)
+#define ESP_MAX_IV_SIZE (16)
#define ESP_MAX_ICV_SIZE (16)
u8 *format_esp_header (u8 * s, va_list * args);