Commit ef3eb3e5 authored by Patrick McHardy's avatar Patrick McHardy Committed by David S. Miller
Browse files

[VLAN]: Move device setup to vlan_dev.c 



Move device setup to vlan_dev.c and make all the VLAN device methods
static.

Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7bd38d77

net/8021q/vlan.c

+0 −81
Original line number Diff line number Diff line
@@ -307,87 +307,6 @@ int unregister_vlan_device(struct net_device *dev) 
	return ret;

}



/*

 * vlan network devices have devices nesting below it, and are a special

 * "super class" of normal network devices; split their locks off into a

 * separate class since they always nest.

 */

static struct lock_class_key vlan_netdev_xmit_lock_key;



static const struct header_ops vlan_header_ops = {

	.create	 = vlan_dev_hard_header,

	.rebuild = vlan_dev_rebuild_header,

	.parse	 = eth_header_parse,

};



static int vlan_dev_init(struct net_device *dev)

{

	struct net_device *real_dev = VLAN_DEV_INFO(dev)->real_dev;

	int subclass = 0;



	/* IFF_BROADCAST|IFF_MULTICAST; ??? */

	dev->flags  = real_dev->flags & ~IFF_UP;

	dev->iflink = real_dev->ifindex;

	dev->state  = (real_dev->state & ((1<<__LINK_STATE_NOCARRIER) |

					  (1<<__LINK_STATE_DORMANT))) |

		      (1<<__LINK_STATE_PRESENT);



	/* 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->hard_start_xmit = vlan_dev_hwaccel_hard_start_xmit;

	} else {

		dev->header_ops      = &vlan_header_ops;

		dev->hard_header_len = real_dev->hard_header_len + VLAN_HLEN;

		dev->hard_start_xmit = vlan_dev_hard_start_xmit;

	}



	if (real_dev->priv_flags & IFF_802_1Q_VLAN)

		subclass = 1;



	lockdep_set_class_and_subclass(&dev->_xmit_lock,

				&vlan_netdev_xmit_lock_key, subclass);

	return 0;

}



void vlan_setup(struct net_device *new_dev)

{

	ether_setup(new_dev);



	/* new_dev->ifindex = 0;  it will be set when added to

	 * the global list.

	 * iflink is set as well.

	 */

	/* Make this thing known as a VLAN device */

	new_dev->priv_flags |= IFF_802_1Q_VLAN;



	/* Set us up to have no queue, as the underlying Hardware device

	 * can do all the queueing we could want.

	 */

	new_dev->tx_queue_len = 0;



	/* set up method calls */

	new_dev->change_mtu = vlan_dev_change_mtu;

	new_dev->init = vlan_dev_init;

	new_dev->open = vlan_dev_open;

	new_dev->stop = vlan_dev_stop;

	new_dev->set_mac_address = vlan_set_mac_address;

	new_dev->set_multicast_list = vlan_dev_set_multicast_list;

	new_dev->change_rx_flags = vlan_change_rx_flags;

	new_dev->destructor = free_netdev;

	new_dev->do_ioctl = vlan_dev_ioctl;



	memset(new_dev->broadcast, 0, ETH_ALEN);

}



static void vlan_transfer_operstate(const struct net_device *dev, struct net_device *vlandev)

{

	/* Have to respect userspace enforced dormant state

net/8021q/vlan.h

+0 −13
Original line number Diff line number Diff line
@@ -49,19 +49,8 @@ struct net_device *__find_vlan_dev(struct net_device* real_dev, 
				   unsigned short VID); /* vlan.c */



/* found in vlan_dev.c */

int vlan_dev_rebuild_header(struct sk_buff *skb);

int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,

		  struct packet_type *ptype, struct net_device *orig_dev);

int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev,

			 unsigned short type, const void *daddr,

			 const void *saddr, unsigned len);

int vlan_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev);

int vlan_dev_hwaccel_hard_start_xmit(struct sk_buff *skb, struct net_device *dev);

int vlan_dev_change_mtu(struct net_device *dev, int new_mtu);

int vlan_dev_open(struct net_device* dev);

int vlan_dev_stop(struct net_device* dev);

int vlan_set_mac_address(struct net_device *dev, void *p);

int vlan_dev_ioctl(struct net_device* dev, struct ifreq *ifr, int cmd);

void vlan_dev_set_ingress_priority(const struct net_device *dev,

				   u32 skb_prio, short vlan_prio);

int vlan_dev_set_egress_priority(const struct net_device *dev,
@@ -70,8 +59,6 @@ int vlan_dev_set_vlan_flag(const struct net_device *dev, 
			   u32 flag, short flag_val);

void vlan_dev_get_realdev_name(const struct net_device *dev, char *result);

void vlan_dev_get_vid(const struct net_device *dev, unsigned short *result);

void vlan_change_rx_flags(struct net_device *dev, int change);

void vlan_dev_set_multicast_list(struct net_device *vlan_dev);



int vlan_check_real_dev(struct net_device *real_dev, unsigned short vlan_id);

void vlan_setup(struct net_device *dev);

net/8021q/vlan_dev.c

+86 −14
Original line number Diff line number Diff line
@@ -47,7 +47,7 @@ 
 *

 * TODO:  This needs a checkup, I'm ignorant here. --BLG

 */

int vlan_dev_rebuild_header(struct sk_buff *skb)

static int vlan_dev_rebuild_header(struct sk_buff *skb)

{

	struct net_device *dev = skb->dev;

	struct vlan_ethhdr *veth = (struct vlan_ethhdr *)(skb->data);
@@ -342,9 +342,10 @@ static inline unsigned short vlan_dev_get_egress_qos_mask(struct net_device* dev 
 *  This is called when the SKB is moving down the stack towards the

 *  physical devices.

 */

int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev,

static int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev,

				unsigned short type,

			 const void *daddr, const void *saddr, unsigned len)

				const void *daddr, const void *saddr,

				unsigned int len)

{

	struct vlan_hdr *vhdr;

	unsigned short veth_TCI = 0;
@@ -451,7 +452,7 @@ int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev, 
	return rc;

}



int vlan_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)

static int vlan_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)

{

	struct net_device_stats *stats = &dev->stats;

	struct vlan_ethhdr *veth = (struct vlan_ethhdr *)(skb->data);
@@ -512,7 +513,8 @@ int vlan_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) 
	return 0;

}



int vlan_dev_hwaccel_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)

static int vlan_dev_hwaccel_hard_start_xmit(struct sk_buff *skb,

					    struct net_device *dev)

{

	struct net_device_stats *stats = &dev->stats;

	unsigned short veth_TCI;
@@ -536,7 +538,7 @@ int vlan_dev_hwaccel_hard_start_xmit(struct sk_buff *skb, struct net_device *dev 
	return 0;

}



int vlan_dev_change_mtu(struct net_device *dev, int new_mtu)

static int vlan_dev_change_mtu(struct net_device *dev, int new_mtu)

{

	/* TODO: gotta make sure the underlying layer can handle it,

	 * maybe an IFF_VLAN_CAPABLE flag for devices?
@@ -626,7 +628,7 @@ void vlan_dev_get_vid(const struct net_device *dev, unsigned short *result) 
	*result = VLAN_DEV_INFO(dev)->vlan_id;

}



int vlan_dev_open(struct net_device *dev)

static int vlan_dev_open(struct net_device *dev)

{

	struct vlan_dev_info *vlan = VLAN_DEV_INFO(dev);

	struct net_device *real_dev = vlan->real_dev;
@@ -650,7 +652,7 @@ int vlan_dev_open(struct net_device *dev) 
	return 0;

}



int vlan_dev_stop(struct net_device *dev)

static int vlan_dev_stop(struct net_device *dev)

{

	struct net_device *real_dev = VLAN_DEV_INFO(dev)->real_dev;
@@ -666,7 +668,7 @@ int vlan_dev_stop(struct net_device *dev) 
	return 0;

}



int vlan_set_mac_address(struct net_device *dev, void *p)

static int vlan_dev_set_mac_address(struct net_device *dev, void *p)

{

	struct net_device *real_dev = VLAN_DEV_INFO(dev)->real_dev;

	struct sockaddr *addr = p;
@@ -692,7 +694,7 @@ out: 
	return 0;

}



int vlan_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)

static int vlan_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)

{

	struct net_device *real_dev = VLAN_DEV_INFO(dev)->real_dev;

	struct ifreq ifrr;
@@ -716,7 +718,7 @@ int vlan_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) 
	return err;

}



void vlan_change_rx_flags(struct net_device *dev, int change)

static void vlan_dev_change_rx_flags(struct net_device *dev, int change)

{

	struct net_device *real_dev = VLAN_DEV_INFO(dev)->real_dev;
@@ -726,8 +728,78 @@ void vlan_change_rx_flags(struct net_device *dev, int change) 
		dev_set_promiscuity(real_dev, dev->flags & IFF_PROMISC ? 1 : -1);

}



/** Taken from Gleb + Lennert's VLAN code, and modified... */

void vlan_dev_set_multicast_list(struct net_device *vlan_dev)

static void vlan_dev_set_multicast_list(struct net_device *vlan_dev)

{

	dev_mc_sync(VLAN_DEV_INFO(vlan_dev)->real_dev, vlan_dev);

}



/*

 * vlan network devices have devices nesting below it, and are a special

 * "super class" of normal network devices; split their locks off into a

 * separate class since they always nest.

 */

static struct lock_class_key vlan_netdev_xmit_lock_key;



static const struct header_ops vlan_header_ops = {

	.create	 = vlan_dev_hard_header,

	.rebuild = vlan_dev_rebuild_header,

	.parse	 = eth_header_parse,

};



static int vlan_dev_init(struct net_device *dev)

{

	struct net_device *real_dev = VLAN_DEV_INFO(dev)->real_dev;

	int subclass = 0;



	/* IFF_BROADCAST|IFF_MULTICAST; ??? */

	dev->flags  = real_dev->flags & ~IFF_UP;

	dev->iflink = real_dev->ifindex;

	dev->state  = (real_dev->state & ((1<<__LINK_STATE_NOCARRIER) |

					  (1<<__LINK_STATE_DORMANT))) |

		      (1<<__LINK_STATE_PRESENT);



	/* 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->hard_start_xmit = vlan_dev_hwaccel_hard_start_xmit;

	} else {

		dev->header_ops      = &vlan_header_ops;

		dev->hard_header_len = real_dev->hard_header_len + VLAN_HLEN;

		dev->hard_start_xmit = vlan_dev_hard_start_xmit;

	}



	if (real_dev->priv_flags & IFF_802_1Q_VLAN)

		subclass = 1;



	lockdep_set_class_and_subclass(&dev->_xmit_lock,

				&vlan_netdev_xmit_lock_key, subclass);

	return 0;

}



void vlan_setup(struct net_device *dev)

{

	ether_setup(dev);



	dev->priv_flags		|= IFF_802_1Q_VLAN;

	dev->tx_queue_len	= 0;



	dev->change_mtu		= vlan_dev_change_mtu;

	dev->init		= vlan_dev_init;

	dev->open		= vlan_dev_open;

	dev->stop		= vlan_dev_stop;

	dev->set_mac_address	= vlan_dev_set_mac_address;

	dev->set_multicast_list	= vlan_dev_set_multicast_list;

	dev->change_rx_flags	= vlan_dev_change_rx_flags;

	dev->do_ioctl		= vlan_dev_ioctl;

	dev->destructor		= free_netdev;



	memset(dev->broadcast, 0, ETH_ALEN);

}

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