static int vlan_dev_init(struct net_device *dev)
{
struct net_device *real_dev = vlan_dev_priv(dev)->real_dev;
netif_carrier_off(dev);
/* IFF_BROADCAST|IFF_MULTICAST; ??? */
dev->flags = real_dev->flags & ~(IFF_UP | IFF_PROMISC | IFF_ALLMULTI |
IFF_MASTER | IFF_SLAVE);
dev->state = (real_dev->state & ((1<<__LINK_STATE_NOCARRIER) |
(1<<__LINK_STATE_DORMANT))) |
(1<<__LINK_STATE_PRESENT);
dev->hw_features = NETIF_F_ALL_CSUM | NETIF_F_SG |
NETIF_F_FRAGLIST | NETIF_F_GSO_SOFTWARE |
NETIF_F_HIGHDMA | NETIF_F_SCTP_CSUM |
NETIF_F_ALL_FCOE;
dev->features |= real_dev->vlan_features | NETIF_F_LLTX |
NETIF_F_GSO_SOFTWARE;
dev->gso_max_size = real_dev->gso_max_size;
if (dev->features & NETIF_F_VLAN_FEATURES)
netdev_warn(real_dev, "VLAN features are set incorrectly. Q-in-Q configurations may not work correctly.\n");
dev->vlan_features = real_dev->vlan_features & ~NETIF_F_ALL_FCOE;
/* ipv6 shared card related stuff */
dev->dev_id = real_dev->dev_id;
if (is_zero_ether_addr(dev->dev_addr))
eth_hw_addr_inherit(dev, real_dev);
if (is_zero_ether_addr(dev->broadcast))
memcpy(dev->broadcast, real_dev->broadcast, dev->addr_len);
#if IS_ENABLED(CONFIG_FCOE)
dev->fcoe_ddp_xid = real_dev->fcoe_ddp_xid;
#endif
dev->needed_headroom = real_dev->needed_headroom;
if (vlan_hw_offload_capable(real_dev->features,
vlan_dev_priv(dev)->vlan_proto)) {
dev->header_ops = &vlan_passthru_header_ops;
dev->hard_header_len = real_dev->hard_header_len;
} else {
dev->header_ops = &vlan_header_ops;
dev->hard_header_len = real_dev->hard_header_len + VLAN_HLEN;
}
dev->netdev_ops = &vlan_netdev_ops;
SET_NETDEV_DEVTYPE(dev, &vlan_type);
vlan_dev_set_lockdep_class(dev, vlan_dev_get_lock_subclass(dev));
vlan_dev_priv(dev)->vlan_pcpu_stats = netdev_alloc_pcpu_stats(struct vlan_pcpu_stats);
if (!vlan_dev_priv(dev)->vlan_pcpu_stats)
return -ENOMEM;
return 0;
}
static int vlan_dev_init(struct net_device *dev)
{
struct net_device *real_dev = vlan_dev_priv(dev)->real_dev;
int subclass = 0;
netif_carrier_off(dev);
/* IFF_BROADCAST|IFF_MULTICAST; ??? */
dev->flags = real_dev->flags & ~(IFF_UP | IFF_PROMISC | IFF_ALLMULTI |
IFF_MASTER | IFF_SLAVE);
dev->iflink = real_dev->ifindex;
dev->state = (real_dev->state & ((1<<__LINK_STATE_NOCARRIER) |
(1<<__LINK_STATE_DORMANT))) |
(1<<__LINK_STATE_PRESENT);
dev->hw_features = NETIF_F_ALL_CSUM | NETIF_F_SG |
NETIF_F_FRAGLIST | NETIF_F_ALL_TSO |
NETIF_F_HIGHDMA | NETIF_F_SCTP_CSUM |
NETIF_F_ALL_FCOE;
dev->features |= real_dev->vlan_features | NETIF_F_LLTX;
dev->gso_max_size = real_dev->gso_max_size;
/* ipv6 shared card related stuff */
dev->dev_id = real_dev->dev_id;
if (is_zero_ether_addr(dev->dev_addr))
memcpy(dev->dev_addr, real_dev->dev_addr, dev->addr_len);
if (is_zero_ether_addr(dev->broadcast))
memcpy(dev->broadcast, real_dev->broadcast, dev->addr_len);
#if IS_ENABLED(CONFIG_FCOE)
dev->fcoe_ddp_xid = real_dev->fcoe_ddp_xid;
#endif
dev->needed_headroom = real_dev->needed_headroom;
if (real_dev->features & NETIF_F_HW_VLAN_CTAG_TX) {
dev->header_ops = real_dev->header_ops;
dev->hard_header_len = real_dev->hard_header_len;
} else {
dev->header_ops = &vlan_header_ops;
dev->hard_header_len = real_dev->hard_header_len + VLAN_HLEN;
}
dev->netdev_ops = &vlan_netdev_ops;
SET_NETDEV_DEVTYPE(dev, &vlan_type);
if (is_vlan_dev(real_dev))
subclass = 1;
vlan_dev_set_lockdep_class(dev, subclass);
vlan_dev_priv(dev)->vlan_pcpu_stats = alloc_percpu(struct vlan_pcpu_stats);
if (!vlan_dev_priv(dev)->vlan_pcpu_stats)
return -ENOMEM;
return 0;
}
static int vlan_dev_init(struct net_device *dev)
{
struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
int subclass = 0;
netif_carrier_off(dev);
/* IFF_BROADCAST|IFF_MULTICAST; ??? */
dev->flags = real_dev->flags & ~(IFF_UP | IFF_PROMISC | IFF_ALLMULTI |
IFF_MASTER | IFF_SLAVE);
dev->iflink = real_dev->ifindex;
dev->state = (real_dev->state & ((1<<__LINK_STATE_NOCARRIER) |
(1<<__LINK_STATE_DORMANT))) |
(1<<__LINK_STATE_PRESENT);
dev->features |= real_dev->features & real_dev->vlan_features;
dev->gso_max_size = real_dev->gso_max_size;
/* ipv6 shared card related stuff */
dev->dev_id = real_dev->dev_id;
if (is_zero_ether_addr(dev->dev_addr))
memcpy(dev->dev_addr, real_dev->dev_addr, dev->addr_len);
if (is_zero_ether_addr(dev->broadcast))
memcpy(dev->broadcast, real_dev->broadcast, dev->addr_len);
#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
dev->fcoe_ddp_xid = real_dev->fcoe_ddp_xid;
#endif
if (real_dev->features & NETIF_F_HW_VLAN_TX) {
dev->header_ops = real_dev->header_ops;
dev->hard_header_len = real_dev->hard_header_len;
if (real_dev->netdev_ops->ndo_select_queue)
dev->netdev_ops = &vlan_netdev_accel_ops_sq;
else
dev->netdev_ops = &vlan_netdev_accel_ops;
} else {
dev->header_ops = &vlan_header_ops;
dev->hard_header_len = real_dev->hard_header_len + VLAN_HLEN;
if (real_dev->netdev_ops->ndo_select_queue)
dev->netdev_ops = &vlan_netdev_ops_sq;
else
dev->netdev_ops = &vlan_netdev_ops;
}
if (is_vlan_dev(real_dev))
subclass = 1;
vlan_dev_set_lockdep_class(dev, subclass);
vlan_dev_info(dev)->vlan_rx_stats = alloc_percpu(struct vlan_rx_stats);
if (!vlan_dev_info(dev)->vlan_rx_stats)
return -ENOMEM;
return 0;
}
static int vlan_dev_init(struct net_device *dev)
{
struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
int subclass = 0;
netif_carrier_off(dev);
/* IFF_BROADCAST|IFF_MULTICAST; ??? */
dev->flags = real_dev->flags & ~(IFF_UP | IFF_PROMISC | IFF_ALLMULTI);
dev->iflink = real_dev->ifindex;
dev->state = (real_dev->state & ((1<<__LINK_STATE_NOCARRIER) |
(1<<__LINK_STATE_DORMANT))) |
(1<<__LINK_STATE_PRESENT);
dev->features |= real_dev->features & real_dev->vlan_features;
dev->gso_max_size = real_dev->gso_max_size;
/* ipv6 shared card related stuff */
dev->dev_id = real_dev->dev_id;
if (is_zero_ether_addr(dev->dev_addr))
memcpy(dev->dev_addr, real_dev->dev_addr, dev->addr_len);
if (is_zero_ether_addr(dev->broadcast))
memcpy(dev->broadcast, real_dev->broadcast, dev->addr_len);
if (real_dev->features & NETIF_F_HW_VLAN_TX) {
dev->header_ops = real_dev->header_ops;
dev->hard_header_len = real_dev->hard_header_len;
dev->netdev_ops = &vlan_netdev_accel_ops;
} else {
dev->header_ops = &vlan_header_ops;
dev->hard_header_len = real_dev->hard_header_len + VLAN_HLEN;
dev->netdev_ops = &vlan_netdev_ops;
}
netdev_resync_ops(dev);
if (is_vlan_dev(real_dev))
subclass = 1;
vlan_dev_set_lockdep_class(dev, subclass);
return 0;
}
