net/8021q/vlan.c

8  *              VLAN Home Page: http://www.candelatech.com/~greear/vlan.html
36 #include "vlan.h"
83 					    struct vlan_dev_priv *vlan)
85 	if (!(vlan->flags & VLAN_FLAG_BRIDGE_BINDING))
91 	struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
92 	struct net_device *real_dev = vlan->real_dev;
95 	u16 vlan_id = vlan->vlan_id;
106 	if (vlan->flags & VLAN_FLAG_MVRP)
108 	if (vlan->flags & VLAN_FLAG_GVRP)
111 	vlan_group_set_device(grp, vlan->vlan_proto, vlan_id, NULL);
125 	vlan_vid_del(real_dev, vlan->vlan_proto, vlan_id);
151 	struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
152 	struct net_device *real_dev = vlan->real_dev;
153 	u16 vlan_id = vlan->vlan_id;
158 	err = vlan_vid_add(real_dev, vlan->vlan_proto, vlan_id);
176 	err = vlan_group_prealloc_vid(grp, vlan->vlan_proto, vlan_id);
188 	vlan_stacked_transfer_operstate(real_dev, dev, vlan);
194 	vlan_group_set_device(grp, vlan->vlan_proto, vlan_id, dev);
208 	vlan_vid_del(real_dev, vlan->vlan_proto, vlan_id);
218 	struct vlan_dev_priv *vlan;
239 		/* Put our vlan.VID in the name.
242 		snprintf(name, IFNAMSIZ, "vlan%i", vlan_id);
245 		/* Put our vlan.VID in the name.
251 		/* Put our vlan.VID in the name.
255 		snprintf(name, IFNAMSIZ, "vlan%.4i", vlan_id);
270 	vlan = vlan_dev_priv(new_dev);
271 	vlan->vlan_proto = htons(ETH_P_8021Q);
272 	vlan->vlan_id = vlan_id;
273 	vlan->real_dev = real_dev;
274 	vlan->dent = NULL;
275 	vlan->flags = VLAN_FLAG_REORDER_HDR;
292 	struct vlan_dev_priv *vlan = vlan_dev_priv(vlandev);
295 	if (ether_addr_equal(vlan->real_dev_addr, dev->dev_addr))
298 	/* vlan continues to inherit address of lower device */
302 	/* vlan address was different from the old address and is equal to
304 	if (!ether_addr_equal(vlandev->dev_addr, vlan->real_dev_addr) &&
308 	/* vlan address was equal to the old address and is different from
310 	if (ether_addr_equal(vlandev->dev_addr, vlan->real_dev_addr) &&
315 	ether_addr_copy(vlan->real_dev_addr, dev->dev_addr);
321 	struct vlan_dev_priv *vlan = vlan_dev_priv(vlandev);
325 	if (vlan_hw_offload_capable(dev->features, vlan->vlan_proto))
335 	vlandev->priv_flags |= (vlan->real_dev->priv_flags & IFF_XMIT_DST_RELEASE);
336 	vlandev->hw_enc_features = vlan_tnl_features(vlan->real_dev);
370 	struct vlan_dev_priv *vlan;
403 		/* Propagate real device state to vlan devices */
445 			vlan = vlan_dev_priv(vlandev);
446 			if (!(vlan->flags & VLAN_FLAG_LOOSE_BINDING))
467 			vlan = vlan_dev_priv(vlandev);
468 			if (!(vlan->flags & VLAN_FLAG_LOOSE_BINDING))
471 			vlan_stacked_transfer_operstate(dev, vlandev, vlan);
502 		/* Propagate to vlan devices */