X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/ff01ae8e5126f4d30eb582add8d64dbe2228cc5f..HEAD:/print-macsec.c

diff --git a/print-macsec.c b/print-macsec.c
index 2c955c5a..5fca3922 100644
--- a/print-macsec.c
+++ b/print-macsec.c
@@ -21,15 +21,12 @@
 
 /* \summary: MACsec printer */
 
-#ifdef HAVE_CONFIG_H
 #include <config.h>
-#endif
 
-#include <netdissect-stdinc.h>
+#include "netdissect-stdinc.h"
 
 #include "netdissect.h"
 #include "addrtoname.h"
-#include "ethertype.h"
 #include "extract.h"
 
 #define MACSEC_DEFAULT_ICV_LEN 16
@@ -219,6 +216,12 @@ macsec_print(netdissect_options *ndo, const u_char **bp,
 	}
 	*lengthp -= MACSEC_DEFAULT_ICV_LEN;
 	*caplenp -= MACSEC_DEFAULT_ICV_LEN;
+	/*
+	 * Update the snapend thus the ICV field is not in the payload for
+	 * the caller.
+	 * The ICV (Integrity Check Value) is at the end of the frame, after
+	 * the secure data.
+	 */
 	ndo->ndo_snapend -= MACSEC_DEFAULT_ICV_LEN;
 
 	/*