Interlisp · nbriggs · Oct 30, 2025 · Dec 8, 2025 · Dec 8, 2025 · Dec 11, 2025
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -127,24 +127,27 @@ ENDIF()
 # the following 2 lines should produce a dropdown-box in the cmake-gui
 # but this will happen only after running the command line version of cmake,
 # possibly after "clearing the cache" (i.e. starting with a fresh build directory)
-SET(MAIKO_NETWORK_TYPE NONE CACHE STRING "Type of networking to use: one of: NONE, SUN_DLPI, SUN_NIT, NETHUB")
-SET_PROPERTY(CACHE MAIKO_NETWORK_TYPE PROPERTY STRINGS NONE SUN_DLPI SUN_NIT NETHUB)
+SET(MAIKO_NETWORK_TYPE NONE CACHE STRING "Type of network implementation to use: one of: NONE, PCAP, SUN_DLPI, SUN_NIT, NETHUB")
+SET_PROPERTY(CACHE MAIKO_NETWORK_TYPE PROPERTY STRINGS NONE PCAP SUN_DLPI SUN_NIT NETHUB)
 
 # configure networking implementation to use
 IF(MAIKO_NETWORK_TYPE STREQUAL "NETHUB")
-  LIST(APPEND MAIKO_DEFINITIONS "-DMAIKO_ENABLE_NETHUB")
-  MESSAGE("-- Configured for NETHUB network support")
+  LIST(APPEND MAIKO_DEFINITIONS "-DMAIKO_ENABLE_ETHERNET -DUSE_NETHUB")
+  MESSAGE("-- Configured for NETHUB network implementation")
 ELSEIF(MAIKO_NETWORK_TYPE STREQUAL "SUN_DLPI")
   LIST(APPEND MAIKO_DEFINITIONS "-DMAIKO_ENABLE_ETHERNET -DUSE_DLPI")
-  MESSAGE("-- Configured for (SunOS) DLPI networking")
+  MESSAGE("-- Configured for (SunOS) DLPI network implementation")
 ELSEIF(MAIKO_NETWORK_TYPE STREQUAL "SUN_NIT")
   LIST(APPEND MAIKO_DEFINITIONS "-DMAIKO_ENABLE_ETHERNET -DUSE_NIT")
-  MESSAGE("-- Configured for (SunOS) NIT networking")
+  MESSAGE("-- Configured for (SunOS) NIT network implementation")
+ELSEIF(MAIKO_NETWORK_TYPE STREQUAL "PCAP")
+  LIST(APPEND MAIKO_DEFINITIONS "-DMAIKO_ENABLE_ETHERNET -DUSE_PCAP")
+  LIST(APPEND MAIKO_LIBRARIES "pcap")
+  MESSAGE("-- Configured for PCAP network implementation")
 ELSEIF(NOT MAIKO_NETWORK_TYPE STREQUAL "NONE")
-  MESSAGE(WARNING "Invalid option given for MAIKO_NETWORK_TYPE, must be one of:\nNONE, SUN_DLPI, SUN_NIT, NETHUB")
+  MESSAGE(WARNING "Invalid option given for MAIKO_NETWORK_TYPE, must be one of:\nNONE, PCAP, SUN_DLPI, SUN_NIT, NETHUB")
 ENDIF()
 
-
 IF(CMAKE_SYSTEM_NAME STREQUAL "SunOS")
   LIST(APPEND MAIKO_DEFINITIONS
     "-DOS5"
@@ -220,6 +223,7 @@ SET(MAIKO_SRCS
     src/ether_common.c
     src/ether_sunos.c
     src/ether_nethub.c
+    src/ether_pcap.c
     src/findkey.c
     src/foreign.c
     src/fp.c
@@ -469,9 +473,12 @@ IF(MAIKO_DISPLAY_SDL)
   TARGET_COMPILE_DEFINITIONS(lde PRIVATE ${MAIKO_DISPLAY_SDL_DEFINITIONS})
 ENDIF()
 
-ADD_EXECUTABLE(ldeether src/ldeether.c src/dlpi.c)
-TARGET_COMPILE_DEFINITIONS(ldeether PRIVATE ${MAIKO_DEFINITIONS})
-TARGET_INCLUDE_DIRECTORIES(ldeether PRIVATE inc)
+IF(MAIKO_NETWORK_TYPE STREQUAL "SUN_DLPI" OR MAIKO_NETWORK_TYPE STREQUAL "SUN_NIT")
+  MESSAGE("-- Adding ldeether")
+  ADD_EXECUTABLE(ldeether src/ldeether.c src/dlpi.c)
+  TARGET_COMPILE_DEFINITIONS(ldeether PRIVATE ${MAIKO_DEFINITIONS})
+  TARGET_INCLUDE_DIRECTORIES(ldeether PRIVATE inc)
+ENDIF()
 
 IF(MAIKO_DISPLAY_X11)
   ADD_EXECUTABLE(ldex

diff --git a/bin/compile-flags b/bin/compile-flags
@@ -124,19 +124,20 @@ BIGATOMS	True if this emulator will support 3-byte symbols, instead of
 NEWBITBLT	True if we want to use assembler BITBLT code, rather than
 		have code created inline by macro calls.
 
-USE_DLPI	True if the ethernet API is via the SysV Data Link Provider
-		Interface.  Solaris uses DLPI.
-
-USE_NIT		True if the ethernet API is via the Network Interface Tap.
-		SunOS uses NIT.
-
+MAIKO_ENABLE_ETHERNET enables support for networking, the flavor of networking
+                is chosen with a USE_xxx flag as follows
+		USE_NETHUB - Dodo Nethub networking for Dodo XNS services, see
+		     documentation: Using-Dodo-networking-with-Maiko.md
+		USE_PCAP - raw ethernet access for XNS and PUP networking using
+		     the libpcap library
+		USE_DLPI - raw ethernet access for XNS networking using the
+		data link provider interface (Solaris only)
+		USE_NIT - raw ethernet access for XNS networking using the
+		/dev/nit interface (SunOS/Solaris 1 only)
+
 PKTFILTER	True if the ethernet packets are to be filtered before being
 		passed to the Lisp ethernet handler.  Available on Sun systems
-		for both the NIT and DLPI cases.
-
-MAIKO_ENABLE_NETHUB enables the support for Dodo Nethub networking for Dodo
-		XNS services, see documentation: using-dodo-networking-with-maiko.md
-		(implicitely disables USE_DLPI and USE_NIT)
+		for both the USE_NIT and USE_DLPI cases.
 
 MAIKO_EMULATE_TIMER_INTERRUPTS enables emulation of recurring timer interrupts for
 		platforms where SIGVTALRM/ITIMER_VIRTUAL or SIGALRM/ITIMER_REAL

diff --git a/bin/linux-x.mk b/bin/linux-x.mk
@@ -2,7 +2,6 @@
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
-	$(OBJECTDIR)dspif.o \
 	$(OBJECTDIR)xinit.o \
 	$(OBJECTDIR)xscroll.o \
 	$(OBJECTDIR)xcursor.o \

diff --git a/bin/makefile-darwin.386-x b/bin/makefile-darwin.386-x
@@ -4,7 +4,6 @@ CC = clang -m32 $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
-	$(OBJECTDIR)dspif.o \
 	$(OBJECTDIR)xinit.o \
 	$(OBJECTDIR)xscroll.o \
 	$(OBJECTDIR)xcursor.o \

diff --git a/bin/makefile-darwin.aarch64-x b/bin/makefile-darwin.aarch64-x
@@ -4,7 +4,6 @@ CC = clang -target aarch64-apple-darwin $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
-	$(OBJECTDIR)dspif.o \
 	$(OBJECTDIR)xinit.o \
 	$(OBJECTDIR)xscroll.o \
 	$(OBJECTDIR)xcursor.o \

diff --git a/bin/makefile-darwin.ppc-x b/bin/makefile-darwin.ppc-x
@@ -4,7 +4,6 @@ CC = cc $(GCC_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
-	$(OBJECTDIR)dspif.o \
 	$(OBJECTDIR)xinit.o \
 	$(OBJECTDIR)xscroll.o \
 	$(OBJECTDIR)xcursor.o \

diff --git a/bin/makefile-darwin.x86_64-x b/bin/makefile-darwin.x86_64-x
@@ -4,7 +4,6 @@ CC = clang -target x86_64-apple-darwin $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
-	$(OBJECTDIR)dspif.o \
 	$(OBJECTDIR)xinit.o \
 	$(OBJECTDIR)xscroll.o \
 	$(OBJECTDIR)xcursor.o \

diff --git a/bin/makefile-emscripten.wasm-wasm b/bin/makefile-emscripten.wasm-wasm
@@ -14,7 +14,7 @@ XFLAGS = -DSDL=2 -sUSE_SDL=2
 
 # OPTFLAGS is normally -O2.
 OPTFLAGS = -O2
-DFLAGS = $(XFLAGS) -DRELEASE=$(RELEASE) -DMAIKO_ENABLE_NETHUB
+DFLAGS = $(XFLAGS) -DRELEASE=$(RELEASE) -DMAIKO_ENABLE_ETHERNET -DUSE_NETHUB
 
 MEDLEY?=../../medley
 SYSOUT?=$(MEDLEY)/loadups/full.sysout

diff --git a/bin/makefile-emscripten.wasm_nl-wasm_nl b/bin/makefile-emscripten.wasm_nl-wasm_nl
@@ -14,7 +14,7 @@ XFLAGS = -DSDL=2 -sUSE_SDL=2
 
 # OPTFLAGS is normally -O2.
 OPTFLAGS = -O2
-DFLAGS = $(XFLAGS) -DRELEASE=$(RELEASE) -DMAIKO_ENABLE_NETHUB
+DFLAGS = $(XFLAGS) -DRELEASE=$(RELEASE) -DMAIKO_ENABLE_ETHERNET -DUSE_NETHUB
 
 MEDLEY?=../../medley
 SYSOUT?=$(MEDLEY)/loadups/full.sysout

diff --git a/bin/makefile-freebsd.386-x b/bin/makefile-freebsd.386-x
@@ -4,7 +4,6 @@ CC = clang -m32 $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
-	$(OBJECTDIR)dspif.o \
 	$(OBJECTDIR)xinit.o \
 	$(OBJECTDIR)xscroll.o \
 	$(OBJECTDIR)xcursor.o \

diff --git a/bin/makefile-freebsd.aarch64-x b/bin/makefile-freebsd.aarch64-x
@@ -4,7 +4,6 @@ CC = clang -m64 $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
-	$(OBJECTDIR)dspif.o \
 	$(OBJECTDIR)xinit.o \
 	$(OBJECTDIR)xscroll.o \
 	$(OBJECTDIR)xcursor.o \

diff --git a/bin/makefile-freebsd.x86_64-x b/bin/makefile-freebsd.x86_64-x
@@ -4,7 +4,6 @@ CC = clang -m64 $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
-	$(OBJECTDIR)dspif.o \
 	$(OBJECTDIR)xinit.o \
 	$(OBJECTDIR)xscroll.o \
 	$(OBJECTDIR)xcursor.o \

diff --git a/bin/makefile-header b/bin/makefile-header
@@ -16,6 +16,19 @@ CLANG_CFLAGS = -std=gnu99 -fno-strict-aliasing
 GCC_CFLAGS = -std=gnu99 -fno-strict-aliasing
 DEVSTUDIO_CFLAGS = -std=gnu99 -fno-strict-aliasing
 
+# Network implementations
+NETWORK = NONE # NONE, PCAP, SUN_DLPI, SUN_NIT, NETHUB
+NETWORK_CC_NONE =
+NETWORK_CC_PCAP = -DMAIKO_ENABLE_ETHERNET -DUSE_PCAP
+NETWORK_CC_NETHUB = -DMAIKO_ENABLE_ETHERNET -DUSE_NETHUB
+NETWORK_CC_SUN_DLPI = -DMAIKO_ENABLE_ETHERNET -DUSE_DLPI
+NETWORK_CC_SUN_NIT = -DMAIKO_ENABLE_ETHERNET -DUSE_NIT
+NETWORK_LIB_NONE =
+NETWORK_LIB_PCAP = -lpcap
+NETWORK_LIB_NETHUB =
+NETWORK_LIB_SUN_DLPI =
+NETWORK_LIB_SUN_NIT =
+
 DLPIFILES =
 
 # for files needed by X windows version

diff --git a/bin/makefile-init-darwin.386 b/bin/makefile-init-darwin.386
@@ -4,7 +4,6 @@ CC = clang -m32 $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
-	$(OBJECTDIR)dspif.o \
 	$(OBJECTDIR)xinit.o \
 	$(OBJECTDIR)xscroll.o \
 	$(OBJECTDIR)xcursor.o \

diff --git a/bin/makefile-init-darwin.aarch64 b/bin/makefile-init-darwin.aarch64
@@ -4,7 +4,6 @@ CC = clang -target aarch64-apple-darwin $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
         $(OBJECTDIR)xbbt.o \
-        $(OBJECTDIR)dspif.o \
         $(OBJECTDIR)xinit.o \
         $(OBJECTDIR)xscroll.o \
         $(OBJECTDIR)xcursor.o \

diff --git a/bin/makefile-init-darwin.x86_64 b/bin/makefile-init-darwin.x86_64
@@ -4,7 +4,6 @@ CC = clang -m64 -target x86_64-apple-darwin $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
-	$(OBJECTDIR)dspif.o \
 	$(OBJECTDIR)xinit.o \
 	$(OBJECTDIR)xscroll.o \
 	$(OBJECTDIR)xcursor.o \
@@ -16,7 +15,7 @@ XFILES = $(OBJECTDIR)xmkicon.o \
 XFLAGS = -I/opt/X11/include -DXWINDOW
 
 # OPTFLAGS is normally -O2.
-OPTFLAGS =  -O0 -g
+OPTFLAGS =  -O3 -g
 DEBUGFLAGS = # -DDEBUG -DOPTRACE
 DFLAGS = $(DEBUGFLAGS) $(XFLAGS) -DRELEASE=$(RELEASE) -DNOVERSION -DINIT
 

diff --git a/bin/makefile-init-freebsd.386 b/bin/makefile-init-freebsd.386
@@ -4,7 +4,6 @@ CC = clang -m32 $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
-	$(OBJECTDIR)dspif.o \
 	$(OBJECTDIR)xinit.o \
 	$(OBJECTDIR)xscroll.o \
 	$(OBJECTDIR)xcursor.o \

diff --git a/bin/makefile-init-freebsd.aarch64 b/bin/makefile-init-freebsd.aarch64
@@ -4,7 +4,6 @@ CC = clang -m64 $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
-	$(OBJECTDIR)dspif.o \
 	$(OBJECTDIR)xinit.o \
 	$(OBJECTDIR)xscroll.o \
 	$(OBJECTDIR)xcursor.o \

diff --git a/bin/makefile-init-freebsd.x86_64 b/bin/makefile-init-freebsd.x86_64
@@ -4,7 +4,6 @@ CC = clang -m64 $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
-	$(OBJECTDIR)dspif.o \
 	$(OBJECTDIR)xinit.o \
 	$(OBJECTDIR)xscroll.o \
 	$(OBJECTDIR)xcursor.o \

diff --git a/bin/makefile-init-openbsd.x86_64 b/bin/makefile-init-openbsd.x86_64
@@ -4,7 +4,6 @@ CC = clang -m64 $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
-	$(OBJECTDIR)dspif.o \
 	$(OBJECTDIR)xinit.o \
 	$(OBJECTDIR)xscroll.o \
 	$(OBJECTDIR)xcursor.o \

diff --git a/bin/makefile-init-sunos5.sparc b/bin/makefile-init-sunos5.sparc
@@ -22,7 +22,6 @@ CC = cc -m32 $(DEVSTUDIO_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
-	$(OBJECTDIR)dspif.o \
 	$(OBJECTDIR)xinit.o \
 	$(OBJECTDIR)xscroll.o \
 	$(OBJECTDIR)xcursor.o \

diff --git a/bin/makefile-openbsd.x86_64-x b/bin/makefile-openbsd.x86_64-x
@@ -4,7 +4,6 @@ CC = clang -m64 $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
-	$(OBJECTDIR)dspif.o \
 	$(OBJECTDIR)xinit.o \
 	$(OBJECTDIR)xscroll.o \
 	$(OBJECTDIR)xcursor.o \

diff --git a/bin/makefile-sunos5.386-x b/bin/makefile-sunos5.386-x
@@ -14,7 +14,6 @@ CC = clang -m32 $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
-	$(OBJECTDIR)dspif.o \
 	$(OBJECTDIR)xinit.o \
 	$(OBJECTDIR)xscroll.o \
 	$(OBJECTDIR)xcursor.o \

diff --git a/bin/makefile-sunos5.i386-x b/bin/makefile-sunos5.i386-x
@@ -14,7 +14,6 @@ CC = gcc
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
-	$(OBJECTDIR)dspif.o \
 	$(OBJECTDIR)xinit.o \
 	$(OBJECTDIR)xscroll.o \
 	$(OBJECTDIR)xcursor.o \

diff --git a/bin/makefile-sunos5.sparc-x b/bin/makefile-sunos5.sparc-x
@@ -21,7 +21,6 @@ CC = cc -m32 $(DEVSTUDIO_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
-	$(OBJECTDIR)dspif.o \
 	$(OBJECTDIR)xinit.o \
 	$(OBJECTDIR)xscroll.o \
 	$(OBJECTDIR)xcursor.o \
@@ -40,7 +39,7 @@ OPTFLAGS =  -O2 -g3
 
 DEBUGFLAGS = # -DSTACKCHECK -DFNSTKCHECK
 
-MACHINEFLAGS = -DOS5 -DUSE_DLPI
+MACHINEFLAGS = -DOS5 -DMAIKO_ENABLE_ETHERNET -DUSE_DLPI
 
 DFLAGS = $(XFLAGS) \
 	 $(DEBUGFLAGS) \

diff --git a/bin/makefile-sunos5.x86_64-x b/bin/makefile-sunos5.x86_64-x
@@ -14,7 +14,6 @@ CC = clang $(CLANG_CFLAGS)
 
 XFILES = $(OBJECTDIR)xmkicon.o \
 	$(OBJECTDIR)xbbt.o \
-	$(OBJECTDIR)dspif.o \
 	$(OBJECTDIR)xinit.o \
 	$(OBJECTDIR)xscroll.o \
 	$(OBJECTDIR)xcursor.o \

diff --git a/bin/makefile-tail b/bin/makefile-tail
@@ -35,7 +35,7 @@
 
 REQUIRED-INCS = $(INCDIR)version.h $(INCDIR)maiko/platform.h
 
-CFLAGS = $(OPTFLAGS) $(DFLAGS)
+CFLAGS = $(OPTFLAGS) $(DFLAGS) $(NETWORK_CC_$(NETWORK))
 RFLAGS = -c $(CFLAGS) -I$(INCDIR) -I$(INCLUDEDIR)
 
 OFILES = $(OBJECTDIR)arithops.o \
@@ -83,7 +83,7 @@ OFILES = $(OBJECTDIR)arithops.o \
 	$(OBJECTDIR)unixcomm.o \
 	$(OBJECTDIR)uraid.o \
 	$(OBJECTDIR)rpc.o \
-  $(OBJECTDIR)ufn.o \
+ 	$(OBJECTDIR)ufn.o \
 	$(OBJECTDIR)z2.o \
 	$(OBJECTDIR)eqf.o \
 	$(OBJECTDIR)fp.o \
@@ -109,6 +109,7 @@ GCFILES = $(OBJECTDIR)gcscan.o \
 	$(OBJECTDIR)gcoflow.o
 
 DEVICES = $(OBJECTDIR)dspsubrs.o \
+	$(OBJECTDIR)dspif.o \
 	$(OBJECTDIR)initdsp.o \
 	$(OBJECTDIR)dsk.o \
 	$(OBJECTDIR)ufs.o \
@@ -118,6 +119,7 @@ DEVICES = $(OBJECTDIR)dspsubrs.o \
 	$(OBJECTDIR)ether_common.o \
 	$(OBJECTDIR)ether_sunos.o \
 	$(OBJECTDIR)ether_nethub.o \
+	$(OBJECTDIR)ether_pcap.o \
 	$(OBJECTDIR)tty.o \
 	$(OBJECTDIR)initkbd.o
 
@@ -148,7 +150,7 @@ $(OSARCHDIR)lde: $(OBJECTDIR)ldeboot.o $(OBJECTDIR)unixfork.o
 	$(CC) $(OBJECTDIR)ldeboot.o $(OBJECTDIR)unixfork.o $(LDELDFLAGS) -o $(OSARCHDIR)lde
 
 $(OSARCHDIR)$(LDENAME): $(LIBFILES) $(EXTFILES) $(OBJECTDIR)vdate.o
-	$(CC) $(LIBFILES) $(EXTFILES) $(OBJECTDIR)vdate.o $(LDFLAGS) -o $(OSARCHDIR)$(LDENAME)
+	$(CC) $(LIBFILES) $(EXTFILES) $(OBJECTDIR)vdate.o $(LDFLAGS) $(NETWORK_LIB_$(NETWORK)) -o $(OSARCHDIR)$(LDENAME)
 	@ echo ""
 	@ echo "Executable is now named '$(OSARCHDIR)$(LDENAME)'"
 
@@ -495,6 +497,13 @@ $(OBJECTDIR)ether_nethub.o: $(SRCDIR)ether_nethub.c $(REQUIRED-INCS) \
 	$(INCDIR)dbprint.h $(INCDIR)etherdefs.h
 	$(CC) $(RFLAGS) $(SRCDIR)ether_nethub.c -o $(OBJECTDIR)ether_nethub.o
 
+$(OBJECTDIR)ether_pcap.o: $(SRCDIR)ether_pcap.c $(REQUIRED-INCS) \
+	$(INCDIR)commondefs.h $(INCDIR)lispemul.h \
+	$(INCDIR)lispmap.h $(INCDIR)emlglob.h $(INCDIR)lsptypes.h $(INCDIR)lspglob.h \
+	$(INCDIR)ifpage.h $(INCDIR)iopage.h $(INCDIR)miscstat.h $(INCDIR)adr68k.h \
+	$(INCDIR)dbprint.h $(INCDIR)etherdefs.h
+	$(CC) $(RFLAGS) $(SRCDIR)ether_pcap.c -o $(OBJECTDIR)ether_pcap.o
+
 $(OBJECTDIR)findkey.o: $(SRCDIR)findkey.c $(REQUIRED-INCS) \
 	$(INCDIR)lispemul.h $(INCDIR)lispmap.h \
 	$(INCDIR)emlglob.h $(INCDIR)stack.h $(INCDIR)lspglob.h $(INCDIR)ifpage.h \

diff --git a/inc/etherdefs.h b/inc/etherdefs.h
@@ -14,7 +14,7 @@ LispPTR check_ether(void);
 void init_ifpage_ether(void);
 void init_ether(void);
 LispPTR check_sum(LispPTR *args);
-
+int ether_addr_equal(const uint8_t addr1[6], const uint8_t addr2[6]);
 void setNethubHost(char* host);
 void setNethubPort(int port);
 void setNethubMac(int m0, int m1, int m2, int m3, int m4, int m5);