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-rw-r--r--ChangeLog4
-rw-r--r--sysdeps/gnu/netinet/tcp.h1
2 files changed, 5 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 31e49765ba..ff5692af33 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2019-09-27  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/gnu/netinet/tcp.h (TCP_TX_DELAY): New macro.
+
 2019-09-26  Lukasz Majewski <lukma@denx.de>
 
 	* include/time.h: Add struct __timespec64 definition
diff --git a/sysdeps/gnu/netinet/tcp.h b/sysdeps/gnu/netinet/tcp.h
index 1a164a9649..41ca11b5f5 100644
--- a/sysdeps/gnu/netinet/tcp.h
+++ b/sysdeps/gnu/netinet/tcp.h
@@ -79,6 +79,7 @@
 #define TCP_INQ			 36 /* Notify bytes available to read
 				       as a cmsg on read.  */
 #define TCP_CM_INQ		 TCP_INQ
+#define TCP_TX_DELAY		 37 /* Delay outgoing packets by XX usec.  */
 
 #define TCP_REPAIR_ON		 1
 #define TCP_REPAIR_OFF		 0