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Diffstat (limited to 'sys/netipsec/ipsec.h')
-rw-r--r--sys/netipsec/ipsec.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/netipsec/ipsec.h b/sys/netipsec/ipsec.h
index c381afd6a15a..b15a9193adf3 100644
--- a/sys/netipsec/ipsec.h
+++ b/sys/netipsec/ipsec.h
@@ -161,6 +161,7 @@ struct secspacq {
#define IPSEC_MODE_ANY 0 /* i.e. wildcard. */
#define IPSEC_MODE_TRANSPORT 1
#define IPSEC_MODE_TUNNEL 2
+#define IPSEC_MODE_TCPMD5 3 /* TCP MD5 mode */
/*
* Direction of security policy.