diff options
| -rw-r--r-- | net/bridge/br_if.c | 5 | ||||
| -rw-r--r-- | net/ethernet/eth.c | 5 | ||||
| -rw-r--r-- | net/ipv4/ip_gre.c | 5 | ||||
| -rw-r--r-- | net/ipv4/ipip.c | 3 | ||||
| -rw-r--r-- | net/ipv4/ipmr.c | 3 | ||||
| -rw-r--r-- | net/ipv6/sit.c | 3 |
6 files changed, 15 insertions, 9 deletions
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index 11321197338e..ba442883e877 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 e24577367274..9f4dbeb59315 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 46f9d9cf7a5f..912c42f57c79 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 c05c1df0bb04..35571cff81c6 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 caa3b7d2e48a..9a5c0ce7ff35 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 c3123c9e1a8e..577d49732b0f 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; |