X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Flinux%2Fdevice.c;h=f50ff1123be023261f23ac52deed8063309f906f;hp=35c66d55a44ddad0155576cba8f5a9e9a49b6777;hb=708314df2f61675d0f54e541c9fff62ac1f433b5;hpb=4c85542894f7fca823b119b05e07179deb24229a

diff --git a/src/linux/device.c b/src/linux/device.c
index 35c66d55..f50ff112 100644
--- a/src/linux/device.c
+++ b/src/linux/device.c
@@ -1,7 +1,7 @@
 /*
     device.c -- Interaction with Linux ethertap and tun/tap device
     Copyright (C) 2001-2005 Ivo Timmermans,
-                  2001-2009 Guus Sliepen <guus@tinc-vpn.org>
+                  2001-2012 Guus Sliepen <guus@tinc-vpn.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -28,6 +28,7 @@
 #endif
 
 #include "conf.h"
+#include "device.h"
 #include "logger.h"
 #include "net.h"
 #include "route.h"
@@ -47,11 +48,12 @@ char *iface = NULL;
 static char ifrname[IFNAMSIZ];
 static char *device_info;
 
-static int device_total_in = 0;
-static int device_total_out = 0;
+static uint64_t device_total_in = 0;
+static uint64_t device_total_out = 0;
 
-bool setup_device(void) {
+static bool setup_device(void) {
 	struct ifreq ifr;
+	bool t1q = false;
 
 	if(!get_config_string(lookup_config(config_tree, "Device"), &device))
 		device = xstrdup(DEFAULT_DEVICE);
@@ -61,7 +63,7 @@ bool setup_device(void) {
 		if (netname != NULL)
 			iface = xstrdup(netname);
 #else
-		iface = xstrdup(rindex(device, '/') ? rindex(device, '/') + 1 : device);
+		iface = xstrdup(strrchr(device, '/') ? strrchr(device, '/') + 1 : device);
 #endif
 	device_fd = open(device, O_RDWR | O_NONBLOCK);
 
@@ -70,6 +72,10 @@ bool setup_device(void) {
 		return false;
 	}
 
+#ifdef FD_CLOEXEC
+	fcntl(device_fd, F_SETFD, FD_CLOEXEC);
+#endif
+
 #ifdef HAVE_LINUX_IF_TUN_H
 	/* Ok now check if this is an old ethertap or a new tun/tap thingie */
 
@@ -84,6 +90,12 @@ bool setup_device(void) {
 		device_info = "Linux tun/tap device (tap mode)";
 	}
 
+#ifdef IFF_ONE_QUEUE
+	/* Set IFF_ONE_QUEUE flag... */
+	if(get_config_bool(lookup_config(config_tree, "IffOneQueue"), &t1q) && t1q)
+		ifr.ifr_flags |= IFF_ONE_QUEUE;
+#endif
+
 	if(iface)
 		strncpy(ifr.ifr_name, iface, IFNAMSIZ);
 
@@ -105,7 +117,7 @@ bool setup_device(void) {
 		device_type = DEVICE_TYPE_ETHERTAP;
 		if(iface)
 			free(iface);
-		iface = xstrdup(rindex(device, '/') ? rindex(device, '/') + 1 : device);
+		iface = xstrdup(strrchr(device, '/') ? strrchr(device, '/') + 1 : device);
 	}
 
 	logger(LOG_INFO, "%s is a %s", device, device_info);
@@ -113,14 +125,14 @@ bool setup_device(void) {
 	return true;
 }
 
-void close_device(void) {
+static void close_device(void) {
 	close(device_fd);
 
 	free(device);
 	free(iface);
 }
 
-bool read_packet(vpn_packet_t *packet) {
+static bool read_packet(vpn_packet_t *packet) {
 	int lenin;
 	
 	switch(device_type) {
@@ -167,7 +179,7 @@ bool read_packet(vpn_packet_t *packet) {
 	return true;
 }
 
-bool write_packet(vpn_packet_t *packet) {
+static bool write_packet(vpn_packet_t *packet) {
 	ifdebug(TRAFFIC) logger(LOG_DEBUG, "Writing packet of %d bytes to %s",
 			   packet->len, device_info);
 
@@ -203,8 +215,16 @@ bool write_packet(vpn_packet_t *packet) {
 	return true;
 }
 
-void dump_device_stats(void) {
+static void dump_device_stats(void) {
 	logger(LOG_DEBUG, "Statistics for %s %s:", device_info, device);
-	logger(LOG_DEBUG, " total bytes in:  %10d", device_total_in);
-	logger(LOG_DEBUG, " total bytes out: %10d", device_total_out);
+	logger(LOG_DEBUG, " total bytes in:  %10"PRIu64, device_total_in);
+	logger(LOG_DEBUG, " total bytes out: %10"PRIu64, device_total_out);
 }
+
+const devops_t os_devops = {
+	.setup = setup_device,
+	.close = close_device,
+	.read = read_packet,
+	.write = write_packet,
+	.dump_stats = dump_device_stats,
+};