Avoiding conditional directives that break statements

[tcpdump] / print-ipfc.c

diff --git a/print-ipfc.c b/print-ipfc.c
index 93b00f284699da57a97c1a2864c8bedc9b907dee..6907ba3ed10e222ddca3f91d0b57747590776529 100644 (file)
--- a/print-ipfc.c
+++ b/print-ipfc.c
@@ -23,11 +23,11 @@
 #include "config.h"
 #endif
 
-#include <tcpdump-stdinc.h>
+#include <netdissect-stdinc.h>
 
 #include <string.h>
 
-#include "interface.h"
+#include "netdissect.h"
 #include "addrtoname.h"
 
 #include "ether.h"
@@ -71,7 +71,19 @@ ipfc_hdr_print(netdissect_options *ndo,
        dstname = etheraddr_string(ndo, ipfcdst);
 
        /*
-        * XXX - show the upper 16 bits?  Do so only if "vflag" is set?
+        * XXX - should we show the upper 16 bits of the addresses?
+        * Do so only if "vflag" is set?
+        * Section 3.3 "FC Port and Node Network Addresses" says that
+        *
+        *    In this specification, both the Source and Destination
+        *    4-bit NAA identifiers SHALL be set to binary '0001'
+        *    indicating that an IEEE 48-bit MAC address is contained
+        *    in the lower 48 bits of the network address fields. The
+        *    high order 12 bits in the network address fields SHALL
+        *    be set to 0x0000.
+        *
+        * so, for captures following this specification, the upper 16
+        * bits should be 0x1000, followed by a MAC address.
         */
        ND_PRINT((ndo, "%s > %s, length %u: ", srcname, dstname, length));
 }