return htons(ETH_P_802_2);
}
-int eth_header_parse(struct sk_buff *skb, unsigned char *haddr)
+static int eth_header_parse(struct sk_buff *skb, unsigned char *haddr)
{
struct ethhdr *eth = eth_hdr(skb);
memcpy(haddr, eth->h_source, ETH_ALEN);
}
EXPORT_SYMBOL(eth_type_trans);
+
+static int eth_mac_addr(struct net_device *dev, void *p)
+{
+ struct sockaddr *addr=p;
+ if (netif_running(dev))
+ return -EBUSY;
+ memcpy(dev->dev_addr, addr->sa_data,dev->addr_len);
+ return 0;
+}
+
+static int eth_change_mtu(struct net_device *dev, int new_mtu)
+{
+ if ((new_mtu < 68) || (new_mtu > 1500))
+ return -EINVAL;
+ dev->mtu = new_mtu;
+ return 0;
+}
+
+/*
+ * Fill in the fields of the device structure with ethernet-generic values.
+ */
+void ether_setup(struct net_device *dev)
+{
+ dev->change_mtu = eth_change_mtu;
+ dev->hard_header = eth_header;
+ dev->rebuild_header = eth_rebuild_header;
+ dev->set_mac_address = eth_mac_addr;
+ dev->hard_header_cache = eth_header_cache;
+ dev->header_cache_update= eth_header_cache_update;
+ dev->hard_header_parse = eth_header_parse;
+
+ dev->type = ARPHRD_ETHER;
+ dev->hard_header_len = ETH_HLEN;
+ dev->mtu = 1500; /* eth_mtu */
+ dev->addr_len = ETH_ALEN;
+ dev->tx_queue_len = 1000; /* Ethernet wants good queues */
+ dev->flags = IFF_BROADCAST|IFF_MULTICAST;
+
+ memset(dev->broadcast,0xFF, ETH_ALEN);
+
+}
+EXPORT_SYMBOL(ether_setup);
+
+/**
+ * alloc_etherdev - Allocates and sets up an ethernet device
+ * @sizeof_priv: Size of additional driver-private structure to be allocated
+ * for this ethernet device
+ *
+ * Fill in the fields of the device structure with ethernet-generic
+ * values. Basically does everything except registering the device.
+ *
+ * Constructs a new net device, complete with a private data area of
+ * size @sizeof_priv. A 32-byte (not bit) alignment is enforced for
+ * this private data area.
+ */
+
+struct net_device *alloc_etherdev(int sizeof_priv)
+{
+ return alloc_netdev(sizeof_priv, "eth%d", ether_setup);
+}
+EXPORT_SYMBOL(alloc_etherdev);