--- previous/src/gui-sdl/dlgEthernet.c	2018/04/24 19:32:56	1.1.1.2
+++ previous/src/gui-sdl/dlgEthernet.c	2018/04/24 19:34:43	1.1.1.3
@@ -13,7 +13,43 @@ const char DlgEthernet_fileid[] = "Previ
 #include "file.h"
 #include "paths.h"
 
+#if HAVE_PCAP
+#define DLGENET_ENABLE      4
+#define DLGENET_THIN        5
+#define DLGENET_TWISTED     6
 
+#define DLGENET_SLIRP       9
+#define DLGENET_PCAP        10
+
+#define DLGENET_EXIT        12
+
+#define PCAP_INTERFACE_LEN  19
+
+char pcap_interface[PCAP_INTERFACE_LEN] = "PCAP";
+
+/* The Boot options dialog: */
+static SGOBJ enetdlg[] =
+{
+    { SGBOX, 0, 0, 0,0, 51,19, NULL },
+    { SGTEXT, 0, 0, 17,1, 16,1, "Ethernet options" },
+    
+    { SGBOX, 0, 0, 1,3, 24,9, NULL },
+    { SGTEXT, 0, 0, 3,4, 15,1, "Guest interface" },
+    { SGCHECKBOX, 0, 0, 3,6, 20,1, "Ethernet connected" },
+    { SGRADIOBUT, 0, 0, 5,8, 11,1, "Thin wire" },
+    { SGRADIOBUT, 0, 0, 5,10, 14,1, "Twisted pair" },
+    
+    { SGBOX, 0, 0, 26,3, 24,9, NULL },
+    { SGTEXT, 0, 0, 28,4, 14,1, "Host interface" },
+    { SGRADIOBUT, 0, 0, 29,6, 7,1, "SLiRP" },
+    { SGRADIOBUT, 0, 0, 29,8, PCAP_INTERFACE_LEN,1, pcap_interface },
+    
+    { SGTEXT, 0, 0, 4,13, 15,1, "Note: PCAP requires super user privileges." },
+    
+    { SGBUTTON, SG_DEFAULT, 0, 15,16, 21,1, "Back to main menu" },
+    { -1, 0, 0, 0,0, 0,0, NULL }
+};
+#else // !HAVE_PCAP
 #define DLGENET_ENABLE      3
 #define DLGENET_THIN        4
 #define DLGENET_TWISTED     5
@@ -25,18 +61,18 @@ const char DlgEthernet_fileid[] = "Previ
 /* The Boot options dialog: */
 static SGOBJ enetdlg[] =
 {
-	{ SGBOX, 0, 0, 0,0, 40,17, NULL },
-	{ SGTEXT, 0, 0, 12,1, 16,1, "Ethernet options" },
-
-	{ SGBOX, 0, 0, 1,3, 38,9, NULL },
-	{ SGCHECKBOX, 0, 0, 4,5, 20,1, "Ethernet connected" },
-	{ SGRADIOBUT, 0, 0, 6,7, 11,1, "Thin wire" },
-	{ SGRADIOBUT, 0, 0, 6,9, 14,1, "Twisted pair" },
+    { SGBOX, 0, 0, 0,0, 40,17, NULL },
+    { SGTEXT, 0, 0, 12,1, 16,1, "Ethernet options" },
+    
+    { SGBOX, 0, 0, 1,3, 38,9, NULL },
+    { SGCHECKBOX, 0, 0, 4,5, 20,1, "Ethernet connected" },
+    { SGRADIOBUT, 0, 0, 6,7, 11,1, "Thin wire" },
+    { SGRADIOBUT, 0, 0, 6,9, 14,1, "Twisted pair" },
     
-	{ SGBUTTON, SG_DEFAULT, 0, 10,14, 21,1, "Back to main menu" },
-	{ -1, 0, 0, 0,0, 0,0, NULL }
+    { SGBUTTON, SG_DEFAULT, 0, 10,14, 21,1, "Back to main menu" },
+    { -1, 0, 0, 0,0, 0,0, NULL }
 };
-
+#endif
 
 
 /*-----------------------------------------------------------------------*/
@@ -63,6 +99,18 @@ void DlgEthernet_Main(void)
             enetdlg[DLGENET_THIN].state |= SG_SELECTED;
         }
     }
+#if HAVE_PCAP
+    enetdlg[DLGENET_SLIRP].state &= ~SG_SELECTED;
+    enetdlg[DLGENET_PCAP].state &= ~SG_SELECTED;
+
+    if (ConfigureParams.Ethernet.nHostInterface == ENET_PCAP) {
+        enetdlg[DLGENET_PCAP].state |= SG_SELECTED;
+        snprintf(pcap_interface, PCAP_INTERFACE_LEN, "PCAP: %s", ConfigureParams.Ethernet.szInterfaceName);
+    } else {
+        enetdlg[DLGENET_SLIRP].state |= SG_SELECTED;
+        sprintf(pcap_interface, "PCAP");
+    }
+#endif
     
     /* Draw and process the dialog */
     
@@ -89,7 +137,20 @@ void DlgEthernet_Main(void)
 					enetdlg[DLGENET_ENABLE].state |= SG_SELECTED;
 				}
 				break;
-				
+#if HAVE_PCAP
+            case DLGENET_PCAP:
+                if (DlgEthernetAdvanced()) {
+					snprintf(pcap_interface, PCAP_INTERFACE_LEN, "PCAP: %s", ConfigureParams.Ethernet.szInterfaceName);
+                } else {
+                    sprintf(pcap_interface, "PCAP");
+                    enetdlg[DLGENET_PCAP].state &= ~SG_SELECTED;
+                    enetdlg[DLGENET_SLIRP].state |= SG_SELECTED;
+                }
+                break;
+            case DLGENET_SLIRP:
+                sprintf(pcap_interface, "PCAP");
+                break;
+#endif
 			default:
 				break;
 		}
@@ -101,4 +162,11 @@ void DlgEthernet_Main(void)
     /* Read values from dialog */
     ConfigureParams.Ethernet.bEthernetConnected = enetdlg[DLGENET_ENABLE].state & SG_SELECTED;
     ConfigureParams.Ethernet.bTwistedPair = enetdlg[DLGENET_TWISTED].state & SG_SELECTED;
+#if HAVE_PCAP
+    if (enetdlg[DLGENET_PCAP].state & SG_SELECTED) {
+        ConfigureParams.Ethernet.nHostInterface = ENET_PCAP;
+    } else {
+        ConfigureParams.Ethernet.nHostInterface = ENET_SLIRP;
+    }
+#endif
 }
\ No newline at end of file