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-rw-r--r--net/ethernet/eth.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index e245773..9890fd9 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>
@@ -162,7 +163,7 @@ __be16 eth_type_trans(struct sk_buff *skb, struct net_device *dev)
skb_pull(skb,ETH_HLEN);
eth = eth_hdr(skb);
- if (*eth->h_dest&1) {
+ if (is_multicast_ether_addr(eth->h_dest)) {
if (!compare_ether_addr(eth->h_dest, dev->broadcast))
skb->pkt_type = PACKET_BROADCAST;
else
@@ -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;
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