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-rw-r--r--net/bridge/br_if.c5
-rw-r--r--net/ethernet/eth.c5
-rw-r--r--net/ipv4/ip_gre.c5
-rw-r--r--net/ipv4/ipip.c3
-rw-r--r--net/ipv4/ipmr.c3
-rw-r--r--net/ipv6/sit.c3
6 files changed, 15 insertions, 9 deletions
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index 11321197338..ba442883e87 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -20,6 +20,7 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/rtnetlink.h>
+#include <linux/if_ether.h>
#include <net/sock.h>
#include "br_private.h"
@@ -323,7 +324,7 @@ int br_del_bridge(const char *name)
return ret;
}
-/* Mtu of the bridge pseudo-device 1500 or the minimum of the ports */
+/* MTU of the bridge pseudo-device: ETH_DATA_LEN or the minimum of the ports */
int br_min_mtu(const struct net_bridge *br)
{
const struct net_bridge_port *p;
@@ -332,7 +333,7 @@ int br_min_mtu(const struct net_bridge *br)
ASSERT_RTNL();
if (list_empty(&br->port_list))
- mtu = 1500;
+ mtu = ETH_DATA_LEN;
else {
list_for_each_entry(p, &br->port_list, list) {
if (!mtu || p->dev->mtu < mtu)
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index e2457736727..9f4dbeb5931 100644
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -53,6 +53,7 @@
#include <linux/errno.h>
#include <linux/config.h>
#include <linux/init.h>
+#include <linux/if_ether.h>
#include <net/dst.h>
#include <net/arp.h>
#include <net/sock.h>
@@ -251,7 +252,7 @@ static int eth_mac_addr(struct net_device *dev, void *p)
static int eth_change_mtu(struct net_device *dev, int new_mtu)
{
- if ((new_mtu < 68) || (new_mtu > 1500))
+ if (new_mtu < 68 || new_mtu > ETH_DATA_LEN)
return -EINVAL;
dev->mtu = new_mtu;
return 0;
@@ -272,7 +273,7 @@ void ether_setup(struct net_device *dev)
dev->type = ARPHRD_ETHER;
dev->hard_header_len = ETH_HLEN;
- dev->mtu = 1500; /* eth_mtu */
+ dev->mtu = ETH_DATA_LEN;
dev->addr_len = ETH_ALEN;
dev->tx_queue_len = 1000; /* Ethernet wants good queues */
dev->flags = IFF_BROADCAST|IFF_MULTICAST;
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 46f9d9cf7a5..912c42f57c7 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -28,6 +28,7 @@
#include <linux/inetdevice.h>
#include <linux/igmp.h>
#include <linux/netfilter_ipv4.h>
+#include <linux/if_ether.h>
#include <net/sock.h>
#include <net/ip.h>
@@ -1140,7 +1141,7 @@ static void ipgre_tunnel_setup(struct net_device *dev)
dev->type = ARPHRD_IPGRE;
dev->hard_header_len = LL_MAX_HEADER + sizeof(struct iphdr) + 4;
- dev->mtu = 1500 - sizeof(struct iphdr) - 4;
+ dev->mtu = ETH_DATA_LEN - sizeof(struct iphdr) - 4;
dev->flags = IFF_NOARP;
dev->iflink = 0;
dev->addr_len = 4;
@@ -1152,7 +1153,7 @@ static int ipgre_tunnel_init(struct net_device *dev)
struct ip_tunnel *tunnel;
struct iphdr *iph;
int hlen = LL_MAX_HEADER;
- int mtu = 1500;
+ int mtu = ETH_DATA_LEN;
int addend = sizeof(struct iphdr) + 4;
tunnel = (struct ip_tunnel*)dev->priv;
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index c05c1df0bb0..35571cff81c 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -108,6 +108,7 @@
#include <linux/mroute.h>
#include <linux/init.h>
#include <linux/netfilter_ipv4.h>
+#include <linux/if_ether.h>
#include <net/sock.h>
#include <net/ip.h>
@@ -786,7 +787,7 @@ static void ipip_tunnel_setup(struct net_device *dev)
dev->type = ARPHRD_TUNNEL;
dev->hard_header_len = LL_MAX_HEADER + sizeof(struct iphdr);
- dev->mtu = 1500 - sizeof(struct iphdr);
+ dev->mtu = ETH_DATA_LEN - sizeof(struct iphdr);
dev->flags = IFF_NOARP;
dev->iflink = 0;
dev->addr_len = 4;
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index caa3b7d2e48..9a5c0ce7ff3 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -49,6 +49,7 @@
#include <linux/seq_file.h>
#include <linux/mroute.h>
#include <linux/init.h>
+#include <linux/if_ether.h>
#include <net/ip.h>
#include <net/protocol.h>
#include <linux/skbuff.h>
@@ -193,7 +194,7 @@ static struct net_device_stats *reg_vif_get_stats(struct net_device *dev)
static void reg_vif_setup(struct net_device *dev)
{
dev->type = ARPHRD_PIMREG;
- dev->mtu = 1500 - sizeof(struct iphdr) - 8;
+ dev->mtu = ETH_DATA_LEN - sizeof(struct iphdr) - 8;
dev->flags = IFF_NOARP;
dev->hard_start_xmit = reg_vif_xmit;
dev->get_stats = reg_vif_get_stats;
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index c3123c9e1a8..577d49732b0 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -33,6 +33,7 @@
#include <asm/uaccess.h>
#include <linux/init.h>
#include <linux/netfilter_ipv4.h>
+#include <linux/if_ether.h>
#include <net/sock.h>
#include <net/snmp.h>
@@ -720,7 +721,7 @@ static void ipip6_tunnel_setup(struct net_device *dev)
dev->type = ARPHRD_SIT;
dev->hard_header_len = LL_MAX_HEADER + sizeof(struct iphdr);
- dev->mtu = 1500 - sizeof(struct iphdr);
+ dev->mtu = ETH_DATA_LEN - sizeof(struct iphdr);
dev->flags = IFF_NOARP;
dev->iflink = 0;
dev->addr_len = 4;