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-rw-r--r--include/netinet/udp.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/netinet/udp.h b/include/netinet/udp.h
index ffd89079..40c3f203 100644
--- a/include/netinet/udp.h
+++ b/include/netinet/udp.h
@@ -35,6 +35,7 @@ struct udphdr {
 #define UDP_ENCAP_GTP0		4
 #define UDP_ENCAP_GTP1U		5
 #define UDP_ENCAP_RXRPC		6
+#define TCP_ENCAP_ESPINTCP	7
 
 #define SOL_UDP            17