*/
#include <asm/uaccess.h> /* for copy_from_user */
+#include <linux/capability.h>
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include "vlan.h"
#include "vlanproc.h"
+#define DRV_VERSION "1.8"
+
/* Global VLAN variables */
/* Our listing of VLAN group(s) */
-struct hlist_head vlan_group_hash[VLAN_GRP_HASH_SIZE];
+static struct hlist_head vlan_group_hash[VLAN_GRP_HASH_SIZE];
#define vlan_grp_hashfn(IDX) ((((IDX) >> VLAN_GRP_HASH_SHIFT) ^ (IDX)) & VLAN_GRP_HASH_MASK)
static char vlan_fullname[] = "802.1Q VLAN Support";
-static unsigned int vlan_version = 1;
-static unsigned int vlan_release = 8;
+static char vlan_version[] = DRV_VERSION;
static char vlan_copyright[] = "Ben Greear <greearb@candelatech.com>";
static char vlan_buggyright[] = "David S. Miller <davem@redhat.com>";
static int vlan_ioctl_handler(void __user *);
static int unregister_vlan_dev(struct net_device *, unsigned short );
-struct notifier_block vlan_notifier_block = {
+static struct notifier_block vlan_notifier_block = {
.notifier_call = vlan_device_event,
};
/* Determines interface naming scheme. */
unsigned short vlan_name_type = VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD;
-/* DO reorder the header by default */
-unsigned short vlan_default_dev_flags = 1;
-
static struct packet_type vlan_packet_type = {
.type = __constant_htons(ETH_P_8021Q),
.func = vlan_skb_recv, /* VLAN receive method */
};
-/* Bits of netdev state that are propogated from real device to virtual */
+/* Bits of netdev state that are propagated from real device to virtual */
#define VLAN_LINK_STATE_MASK \
- ((1<<__LINK_STATE_PRESENT)|(1<<__LINK_STATE_NOCARRIER))
+ ((1<<__LINK_STATE_PRESENT)|(1<<__LINK_STATE_NOCARRIER)|(1<<__LINK_STATE_DORMANT))
/* End of global variables definitions. */
{
int err;
- printk(VLAN_INF "%s v%u.%u %s\n",
- vlan_fullname, vlan_version, vlan_release, vlan_copyright);
+ printk(VLAN_INF "%s v%s %s\n",
+ vlan_fullname, vlan_version, vlan_copyright);
printk(VLAN_INF "All bugs added by %s\n",
vlan_buggyright);
printk(KERN_ERR
"%s %s: can't create entry in proc filesystem!\n",
__FUNCTION__, VLAN_NAME);
- return 1;
+ return err;
}
dev_add_pack(&vlan_packet_type);
/* Register us to receive netdevice events */
- register_netdevice_notifier(&vlan_notifier_block);
+ err = register_netdevice_notifier(&vlan_notifier_block);
+ if (err < 0) {
+ dev_remove_pack(&vlan_packet_type);
+ vlan_proc_cleanup();
+ return err;
+ }
vlan_ioctl_set(vlan_ioctl_handler);
new_dev->do_ioctl = vlan_dev_ioctl;
}
+static void vlan_transfer_operstate(const struct net_device *dev, struct net_device *vlandev)
+{
+ /* Have to respect userspace enforced dormant state
+ * of real device, also must allow supplicant running
+ * on VLAN device
+ */
+ if (dev->operstate == IF_OPER_DORMANT)
+ netif_dormant_on(vlandev);
+ else
+ netif_dormant_off(vlandev);
+
+ if (netif_carrier_ok(dev)) {
+ if (!netif_carrier_ok(vlandev))
+ netif_carrier_on(vlandev);
+ } else {
+ if (netif_carrier_ok(vlandev))
+ netif_carrier_off(vlandev);
+ }
+}
+
/* Attach a VLAN device to a mac address (ie Ethernet Card).
* Returns the device that was created, or NULL if there was
* an error of some kind.
new_dev->flags = real_dev->flags;
new_dev->flags &= ~IFF_UP;
- new_dev->state = real_dev->state & VLAN_LINK_STATE_MASK;
+ new_dev->state = real_dev->state & ~(1<<__LINK_STATE_START);
/* need 4 bytes for extra VLAN header info,
* hope the underlying device can handle it.
VLAN_DEV_INFO(new_dev)->vlan_id = VLAN_ID; /* 1 through VLAN_VID_MASK */
VLAN_DEV_INFO(new_dev)->real_dev = real_dev;
VLAN_DEV_INFO(new_dev)->dent = NULL;
- VLAN_DEV_INFO(new_dev)->flags = vlan_default_dev_flags;
+ VLAN_DEV_INFO(new_dev)->flags = 1;
#ifdef VLAN_DEBUG
printk(VLAN_DBG "About to go find the group for idx: %i\n",
if (register_netdevice(new_dev))
goto out_free_newdev;
+ new_dev->iflink = real_dev->ifindex;
+ vlan_transfer_operstate(real_dev, new_dev);
+ linkwatch_fire_event(new_dev); /* _MUST_ call rfc2863_policy() */
+
/* So, got the sucker initialized, now lets place
* it into our local structure.
*/
out_free_unregister:
unregister_netdev(new_dev);
- goto out_put_dev;
+ goto out_unlock;
out_free_newdev:
free_netdev(new_dev);
switch (event) {
case NETDEV_CHANGE:
- /* Propogate real device state to vlan devices */
- flgs = dev->state & VLAN_LINK_STATE_MASK;
+ /* Propagate real device state to vlan devices */
for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
vlandev = grp->vlan_devices[i];
if (!vlandev)
continue;
- if ((vlandev->state & VLAN_LINK_STATE_MASK) != flgs) {
- vlandev->state = (vlandev->state &~ VLAN_LINK_STATE_MASK)
- | flgs;
- netdev_state_change(vlandev);
- }
+ vlan_transfer_operstate(dev, vlandev);
}
break;
static int vlan_ioctl_handler(void __user *arg)
{
int err = 0;
+ unsigned short vid = 0;
struct vlan_ioctl_args args;
- /* everything here needs root permissions, except aguably the
- * hack ioctls for sending packets. However, I know _I_ don't
- * want users running that on my network! --BLG
- */
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
-
if (copy_from_user(&args, arg, sizeof(struct vlan_ioctl_args)))
return -EFAULT;
switch (args.cmd) {
case SET_VLAN_INGRESS_PRIORITY_CMD:
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
err = vlan_dev_set_ingress_priority(args.device1,
args.u.skb_priority,
args.vlan_qos);
break;
case SET_VLAN_EGRESS_PRIORITY_CMD:
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
err = vlan_dev_set_egress_priority(args.device1,
args.u.skb_priority,
args.vlan_qos);
break;
case SET_VLAN_FLAG_CMD:
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
err = vlan_dev_set_vlan_flag(args.device1,
args.u.flag,
args.vlan_qos);
break;
case SET_VLAN_NAME_TYPE_CMD:
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
if ((args.u.name_type >= 0) &&
(args.u.name_type < VLAN_NAME_TYPE_HIGHEST)) {
vlan_name_type = args.u.name_type;
}
break;
- /* TODO: Figure out how to pass info back...
- case GET_VLAN_INGRESS_PRIORITY_IOCTL:
- err = vlan_dev_get_ingress_priority(args);
- break;
-
- case GET_VLAN_EGRESS_PRIORITY_IOCTL:
- err = vlan_dev_get_egress_priority(args);
- break;
- */
-
case ADD_VLAN_CMD:
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
/* we have been given the name of the Ethernet Device we want to
* talk to: args.dev1 We also have the
* VLAN ID: args.u.VID
break;
case DEL_VLAN_CMD:
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
/* Here, the args.dev1 is the actual VLAN we want
* to get rid of.
*/
err = unregister_vlan_device(args.device1);
break;
+ case GET_VLAN_INGRESS_PRIORITY_CMD:
+ /* TODO: Implement
+ err = vlan_dev_get_ingress_priority(args);
+ if (copy_to_user((void*)arg, &args,
+ sizeof(struct vlan_ioctl_args))) {
+ err = -EFAULT;
+ }
+ */
+ err = -EINVAL;
+ break;
+ case GET_VLAN_EGRESS_PRIORITY_CMD:
+ /* TODO: Implement
+ err = vlan_dev_get_egress_priority(args.device1, &(args.args);
+ if (copy_to_user((void*)arg, &args,
+ sizeof(struct vlan_ioctl_args))) {
+ err = -EFAULT;
+ }
+ */
+ err = -EINVAL;
+ break;
+ case GET_VLAN_REALDEV_NAME_CMD:
+ err = vlan_dev_get_realdev_name(args.device1, args.u.device2);
+ if (err)
+ goto out;
+ if (copy_to_user(arg, &args,
+ sizeof(struct vlan_ioctl_args))) {
+ err = -EFAULT;
+ }
+ break;
+
+ case GET_VLAN_VID_CMD:
+ err = vlan_dev_get_vid(args.device1, &vid);
+ if (err)
+ goto out;
+ args.u.VID = vid;
+ if (copy_to_user(arg, &args,
+ sizeof(struct vlan_ioctl_args))) {
+ err = -EFAULT;
+ }
+ break;
+
default:
/* pass on to underlying device instead?? */
printk(VLAN_DBG "%s: Unknown VLAN CMD: %x \n",
__FUNCTION__, args.cmd);
return -EINVAL;
};
-
+out:
return err;
}
MODULE_LICENSE("GPL");
+MODULE_VERSION(DRV_VERSION);
git://git.onelab.eu / linux-2.6.git / blobdiff