X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/ceeea959186033c8fbcbed7a3626e5e612b9c133..39d15607cad1b4b463794c1a67873f6182dc52f7:/tcp.h

diff --git a/tcp.h b/tcp.h
index 79b67ec5..fbd2f452 100644
--- a/tcp.h
+++ b/tcp.h
@@ -1,4 +1,3 @@
-/* @(#) $Header: /tcpdump/master/tcpdump/tcp.h,v 1.14 2007-12-09 00:30:47 guy Exp $ (LBL) */
 /*
  * Copyright (c) 1982, 1986, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -49,7 +48,7 @@ struct tcphdr {
 	u_int16_t	th_win;			/* window */
 	u_int16_t	th_sum;			/* checksum */
 	u_int16_t	th_urp;			/* urgent pointer */
-};
+} UNALIGNED;
 
 #define TH_OFF(th)	(((th)->th_offx2 & 0xf0) >> 4)
 
@@ -86,6 +85,7 @@ struct tcphdr {
 #define	TCPOPT_UTO		28	/* tcp user timeout (rfc5482) */
 #define	   TCPOLEN_UTO			4
 #define	TCPOPT_MPTCP		30	/* MPTCP options */
+#define TCPOPT_EXPERIMENT2	254	/* experimental headers (rfc4727) */
 
 #define TCPOPT_TSTAMP_HDR	\
     (TCPOPT_NOP<<24|TCPOPT_NOP<<16|TCPOPT_TIMESTAMP<<8|TCPOLEN_TIMESTAMP)