From: Michael Tuexen <tue...@freebsd.org>

Adding support for TCP over UDP allows communication with
TCP stacks which can be implemented in userspace without
requiring special priviledges or specific support by the OS.
This is joint work with rrs.

Reviewed by:            rrs
Sponsored by:           Netflix, Inc.
MFC after:              1 week
Differential Revision:  https://reviews.freebsd.org/D29469
---
 newlib/libc/sys/rtems/include/netinet/tcp.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/newlib/libc/sys/rtems/include/netinet/tcp.h 
b/newlib/libc/sys/rtems/include/netinet/tcp.h
index 0b71bd465..d2bf1f843 100644
--- a/newlib/libc/sys/rtems/include/netinet/tcp.h
+++ b/newlib/libc/sys/rtems/include/netinet/tcp.h
@@ -183,6 +183,7 @@ struct tcphdr {
 #define        TCP_RXTLS_MODE  42      /* Receive TLS mode */
 #define        TCP_CONGESTION  64      /* get/set congestion control algorithm 
*/
 #define        TCP_CCALGOOPT   65      /* get/set cc algorithm specific 
options */
+#define TCP_REMOTE_UDP_ENCAPS_PORT 71  /* Enable TCP over UDP tunneling via 
the specified port */
 #define TCP_DELACK     72      /* socket option for delayed ack */
 #define TCP_FIN_IS_RST 73      /* A fin from the peer is treated has a RST */
 #define TCP_LOG_LIMIT  74      /* Limit to number of records in tcp-log */
-- 
2.35.3

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