# Patch von user maflo321 aus Ticket 2823 (http://freetz.org/ticket/2823)
--- src/ifinfo.c
+++ src/ifinfo.c
@@ -25,9 +25,14 @@
 
 		/* try getting interface info from /sys */
 		if (readsysclassnet(inface)!=1) {
-			snprintf(errorstring, 512, "Unable to get interface \"%s\" statistics.", inface);
-			printe(PT_Error);
-			return 0;
+
+			/* START - FRITZBOX READ */
+			if (strcmp(inface, "fritzbox") != 0 || readfritzbox(inface) != 1) {
+				snprintf(errorstring, 512, "Unable to get interface \"%s\" statistics.", inface);
+				printe(PT_Error);
+				return 0;
+			}
+			/* END - FRITZBOX READ */
 		}
 	}
 #elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)  || defined(__FreeBSD_kernel__)
@@ -64,6 +69,16 @@
 	}
 	*ifacelist[0] = '\0';
 
+	/* START - FRITZBOX ADD INTERFACE */
+	char iffb[] = "fritzbox";
+	*ifacelist = realloc(*ifacelist, ((strlen(*ifacelist) + strlen(iffb) + 2) * sizeof(char)));
+	if (*ifacelist == NULL) {
+		panicexit(__FILE__, __LINE__);
+	}
+	strncat(*ifacelist, iffb, strlen(iffb));
+	strcat(*ifacelist, " ");
+	/* END - FRITZBOX ADD INTERFACE */
+
 #if defined(__linux__)
 	if ((fp=fopen(PROCNETDEV, "r"))!=NULL) {
 
@@ -306,6 +321,76 @@
 	return 1;
 }
 
+/* START - FRITZBOX READ FUNCTION */
+int readfritzbox(const char *iface) {
+	FILE *fp;
+	uint64_t rx, tx, high, low;
+
+	strncpy_nt(ifinfo.name, iface, 32);
+
+	/* rx bytes high */
+	if ((fp = popen("ctlmgr_ctl r inetstat status/Today/BytesReceivedHigh", "r")) == NULL) {
+		if (debug)
+			printf("Unable to read: %s - %s\n", "fritzbox", strerror(errno));
+		return 0;
+	}
+	fscanf(fp, "%"SCNu64, &high);
+	pclose(fp);
+
+	/* rx bytes low */
+	if ((fp = popen("ctlmgr_ctl r inetstat status/Today/BytesReceivedLow", "r")) == NULL) {
+		if (debug)
+			printf("Unable to read: %s - %s\n", "fritzbox", strerror(errno));
+		return 0;
+	}
+	fscanf(fp, "%"SCNu64, &low);
+	pclose(fp);
+
+	/* rx bytes shift */
+	rx = (high << 32) + low;
+
+	/* tx bytes high */
+	if ((fp = popen("ctlmgr_ctl r inetstat status/Today/BytesSentHigh", "r")) == NULL) {
+		if (debug)
+			printf("Unable to read: %s - %s\n", "fritzbox", strerror(errno));
+		return 0;
+	}
+	fscanf(fp, "%"SCNu64, &high);
+	pclose(fp);
+
+	/* tx bytes low */
+	if ((fp = popen("ctlmgr_ctl r inetstat status/Today/BytesSentLow", "r")) == NULL) {
+		if (debug)
+			printf("Unable to read: %s - %s\n", "fritzbox", strerror(errno));
+		return 0;
+	}
+	fscanf(fp, "%"SCNu64, &low);
+	pclose(fp);
+
+	/* tx bytes shift */
+	tx = (high << 32) + low;
+
+	/* if new day or counter reset */
+	if (rx < data.currx || tx < data.curtx) {
+		data.currx = 0;
+		data.curtx = 0;
+	}
+
+	ifinfo.rx = rx;
+	ifinfo.tx = tx;
+	
+	/* daemon doesn't need packet data */
+	if (!noexit) {
+		ifinfo.rxp = 0;
+		ifinfo.txp = 0;
+	}
+
+	ifinfo.filled = 1;
+	
+	return 1;
+}
+/* END - FRITZBOX READ FUNCTION */
+
 void parseifinfo(int newdb)
 {
 	uint64_t rxchange=0, txchange=0, btime, cc;   /* rxchange = rx change in MB */
@@ -327,8 +412,15 @@
 		/* btime in /proc/stat seems to vary ±1 second so we use btime-BVAR just to be safe */
 		/* the variation is also slightly different between various kernels... */
 		if (data.btime < (btime-cfg.bvar)) {
-			data.currx=0;
-			data.curtx=0;
+			/* START - FRITZBOX BOOT WORKAROUND */
+			if (strcmp(ifinfo.name, "fritzbox") == 0) {
+				data.currx = ifinfo.rx;
+				data.currx = ifinfo.rx;
+			} else {
+				data.currx=0;
+				data.curtx=0;
+			}
+			/* END - FRITZBOX BOOT WORKAROUND */
 			if (debug)
 				printf("System has been booted.\n");
 		}