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-rw-r--r--include/uapi/linux/if_macsec.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/uapi/linux/if_macsec.h b/include/uapi/linux/if_macsec.h
index f7d4831a2cc7..02fc49cb72d8 100644
--- a/include/uapi/linux/if_macsec.h
+++ b/include/uapi/linux/if_macsec.h
@@ -26,6 +26,8 @@
#define MACSEC_MIN_ICV_LEN 8
#define MACSEC_MAX_ICV_LEN 32
+/* upper limit for ICV length as recommended by IEEE802.1AE-2006 */
+#define MACSEC_STD_ICV_LEN 16
enum macsec_attrs {
MACSEC_ATTR_UNSPEC,