static void ifb_setup(struct net_device *dev)
{
/* Initialize the device structure. */
dev->netdev_ops = &ifb_netdev_ops;
/* Fill in device structure with ethernet-generic values. */
ether_setup(dev);
dev->tx_queue_len = TX_Q_LIMIT;
dev->features |= IFB_FEATURES;
dev->hw_features |= dev->features;
dev->hw_enc_features |= dev->features;
dev->vlan_features |= IFB_FEATURES & ~(NETIF_F_HW_VLAN_CTAG_TX |
NETIF_F_HW_VLAN_STAG_TX);
dev->flags |= IFF_NOARP;
dev->flags &= ~IFF_MULTICAST;
dev->priv_flags &= ~IFF_TX_SKB_SHARING;
netif_keep_dst(dev);
eth_hw_addr_random(dev);
dev->needs_free_netdev = true;
dev->priv_destructor = ifb_dev_free;
dev->min_mtu = 0;
dev->max_mtu = 0;
}
static int ipgre_tunnel_init(struct net_device *dev)
{
struct ip_tunnel *tunnel = netdev_priv(dev);
struct iphdr *iph = &tunnel->parms.iph;
__gre_tunnel_init(dev);
memcpy(dev->dev_addr, &iph->saddr, 4);
memcpy(dev->broadcast, &iph->daddr, 4);
dev->flags = IFF_NOARP;
netif_keep_dst(dev);
dev->addr_len = 4;
if (iph->daddr) {
#ifdef CONFIG_NET_IPGRE_BROADCAST
if (ipv4_is_multicast(iph->daddr)) {
if (!iph->saddr)
return -EINVAL;
dev->flags = IFF_BROADCAST;
dev->header_ops = &ipgre_header_ops;
}
#endif
} else
dev->header_ops = &ipgre_header_ops;
return ip_tunnel_init(dev);
}
static void ipip_tunnel_setup(struct net_device *dev)
{
dev->netdev_ops = &ipip_netdev_ops;
dev->type = ARPHRD_TUNNEL;
dev->flags = IFF_NOARP;
dev->addr_len = 4;
dev->features |= NETIF_F_LLTX;
netif_keep_dst(dev);
dev->features |= IPIP_FEATURES;
dev->hw_features |= IPIP_FEATURES;
ip_tunnel_setup(dev, ipip_net_id);
}
void vlan_setup(struct net_device *dev)
{
ether_setup(dev);
dev->priv_flags |= IFF_802_1Q_VLAN | IFF_NO_QUEUE;
dev->priv_flags &= ~IFF_TX_SKB_SHARING;
netif_keep_dst(dev);
dev->netdev_ops = &vlan_netdev_ops;
dev->destructor = vlan_dev_free;
dev->ethtool_ops = &vlan_ethtool_ops;
eth_zero_addr(dev->broadcast);
}
static int vti_tunnel_init(struct net_device *dev)
{
struct ip_tunnel *tunnel = netdev_priv(dev);
struct iphdr *iph = &tunnel->parms.iph;
memcpy(dev->dev_addr, &iph->saddr, 4);
memcpy(dev->broadcast, &iph->daddr, 4);
dev->flags = IFF_NOARP;
dev->addr_len = 4;
dev->features |= NETIF_F_LLTX;
netif_keep_dst(dev);
return ip_tunnel_init(dev);
}
static int vti_tunnel_init(struct net_device *dev)
{
struct ip_tunnel *tunnel = netdev_priv(dev);
struct iphdr *iph = &tunnel->parms.iph;
memcpy(dev->dev_addr, &iph->saddr, 4);
memcpy(dev->broadcast, &iph->daddr, 4);
dev->hard_header_len = LL_MAX_HEADER + sizeof(struct iphdr);
dev->mtu = ETH_DATA_LEN;
dev->flags = IFF_NOARP;
dev->addr_len = 4;
dev->features |= NETIF_F_LLTX;
netif_keep_dst(dev);
return ip_tunnel_init(dev);
}
static struct net_device * __init ipddp_init(void)
{
static unsigned version_printed;
struct net_device *dev;
int err;
dev = alloc_etherdev(0);
if (!dev)
return ERR_PTR(-ENOMEM);
netif_keep_dst(dev);
strcpy(dev->name, "ipddp%d");
if (version_printed++ == 0)
printk(version);
/* Initialize the device structure. */
dev->netdev_ops = &ipddp_netdev_ops;
dev->type = ARPHRD_IPDDP; /* IP over DDP tunnel */
dev->mtu = 585;
dev->flags |= IFF_NOARP;
/*
* The worst case header we will need is currently a
* ethernet header (14 bytes) and a ddp header (sizeof ddpehdr+1)
* We send over SNAP so that takes another 8 bytes.
*/
dev->hard_header_len = 14+8+sizeof(struct ddpehdr)+1;
err = register_netdev(dev);
if (err) {
free_netdev(dev);
return ERR_PTR(err);
}
/* Let the user now what mode we are in */
if(ipddp_mode == IPDDP_ENCAP)
printk("%s: Appletalk-IP Encap. mode by Bradford W. Johnson <*****@*****.**>\n",
dev->name);
if(ipddp_mode == IPDDP_DECAP)
printk("%s: Appletalk-IP Decap. mode by Jay Schulist <*****@*****.**>\n",
dev->name);
return dev;
}
static int nfp_flower_vnic_alloc(struct nfp_app *app, struct nfp_net *nn,
unsigned int id)
{
if (id > 0) {
nfp_warn(app->cpp, "FlowerNIC doesn't support more than one data vNIC\n");
goto err_invalid_port;
}
eth_hw_addr_random(nn->dp.netdev);
netif_keep_dst(nn->dp.netdev);
nn->vnic_no_name = true;
return 0;
err_invalid_port:
nn->port = nfp_port_alloc(app, NFP_PORT_INVALID, nn->dp.netdev);
return PTR_ERR_OR_ZERO(nn->port);
}
void vlan_setup(struct net_device *dev)
{
ether_setup(dev);
dev->priv_flags |= IFF_802_1Q_VLAN | IFF_NO_QUEUE;
dev->priv_flags |= IFF_UNICAST_FLT;
dev->priv_flags &= ~IFF_TX_SKB_SHARING;
netif_keep_dst(dev);
dev->netdev_ops = &vlan_netdev_ops;
dev->needs_free_netdev = true;
dev->priv_destructor = vlan_dev_free;
dev->ethtool_ops = &vlan_ethtool_ops;
dev->min_mtu = 0;
dev->max_mtu = ETH_MAX_MTU;
eth_zero_addr(dev->broadcast);
}
int ip_tunnel_init(struct net_device *dev)
{
struct ip_tunnel *tunnel = netdev_priv(dev);
struct iphdr *iph = &tunnel->parms.iph;
int err;
dev->destructor = ip_tunnel_dev_free;
dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
if (!dev->tstats)
return -ENOMEM;
tunnel->dst_cache = alloc_percpu(struct ip_tunnel_dst);
if (!tunnel->dst_cache) {
free_percpu(dev->tstats);
return -ENOMEM;
}
err = gro_cells_init(&tunnel->gro_cells, dev);
if (err) {
free_percpu(tunnel->dst_cache);
free_percpu(dev->tstats);
return err;
}
tunnel->dev = dev;
tunnel->net = dev_net(dev);
strcpy(tunnel->parms.name, dev->name);
iph->version = 4;
iph->ihl = 5;
if (tunnel->collect_md) {
dev->features |= NETIF_F_NETNS_LOCAL;
netif_keep_dst(dev);
}
return 0;
}