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-rw-r--r--net/8021q/vlan.c18
-rw-r--r--net/8021q/vlan_dev.c22
-rw-r--r--net/8021q/vlan_netlink.c11
3 files changed, 34 insertions, 17 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index dc4411165e43..1f99678751df 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -75,6 +75,14 @@ static int vlan_group_prealloc_vid(struct vlan_group *vg,
return 0;
}
+static void vlan_stacked_transfer_operstate(const struct net_device *rootdev,
+ struct net_device *dev,
+ struct vlan_dev_priv *vlan)
+{
+ if (!(vlan->flags & VLAN_FLAG_BRIDGE_BINDING))
+ netif_stacked_transfer_operstate(rootdev, dev);
+}
+
void unregister_vlan_dev(struct net_device *dev, struct list_head *head)
{
struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
@@ -180,7 +188,7 @@ int register_vlan_dev(struct net_device *dev, struct netlink_ext_ack *extack)
/* Account for reference in struct vlan_dev_priv */
dev_hold(real_dev);
- netif_stacked_transfer_operstate(real_dev, dev);
+ vlan_stacked_transfer_operstate(real_dev, dev, vlan);
linkwatch_fire_event(dev); /* _MUST_ call rfc2863_policy() */
/* So, got the sucker initialized, now lets place
@@ -399,7 +407,8 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
case NETDEV_CHANGE:
/* Propagate real device state to vlan devices */
vlan_group_for_each_dev(grp, i, vlandev)
- netif_stacked_transfer_operstate(dev, vlandev);
+ vlan_stacked_transfer_operstate(dev, vlandev,
+ vlan_dev_priv(vlandev));
break;
case NETDEV_CHANGEADDR:
@@ -446,7 +455,8 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
dev_close_many(&close_list, false);
list_for_each_entry_safe(vlandev, tmp, &close_list, close_list) {
- netif_stacked_transfer_operstate(dev, vlandev);
+ vlan_stacked_transfer_operstate(dev, vlandev,
+ vlan_dev_priv(vlandev));
list_del_init(&vlandev->close_list);
}
list_del(&close_list);
@@ -463,7 +473,7 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
if (!(vlan->flags & VLAN_FLAG_LOOSE_BINDING))
dev_change_flags(vlandev, flgs | IFF_UP,
extack);
- netif_stacked_transfer_operstate(dev, vlandev);
+ vlan_stacked_transfer_operstate(dev, vlandev, vlan);
}
break;
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 8d77b6ee4477..f044ae56a313 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -223,7 +223,8 @@ int vlan_dev_change_flags(const struct net_device *dev, u32 flags, u32 mask)
u32 old_flags = vlan->flags;
if (mask & ~(VLAN_FLAG_REORDER_HDR | VLAN_FLAG_GVRP |
- VLAN_FLAG_LOOSE_BINDING | VLAN_FLAG_MVRP))
+ VLAN_FLAG_LOOSE_BINDING | VLAN_FLAG_MVRP |
+ VLAN_FLAG_BRIDGE_BINDING))
return -EINVAL;
vlan->flags = (old_flags & ~mask) | (flags & mask);
@@ -296,7 +297,8 @@ static int vlan_dev_open(struct net_device *dev)
if (vlan->flags & VLAN_FLAG_MVRP)
vlan_mvrp_request_join(dev);
- if (netif_carrier_ok(real_dev))
+ if (netif_carrier_ok(real_dev) &&
+ !(vlan->flags & VLAN_FLAG_BRIDGE_BINDING))
netif_carrier_on(dev);
return 0;
@@ -326,7 +328,8 @@ static int vlan_dev_stop(struct net_device *dev)
if (!ether_addr_equal(dev->dev_addr, real_dev->dev_addr))
dev_uc_del(real_dev, dev->dev_addr);
- netif_carrier_off(dev);
+ if (!(vlan->flags & VLAN_FLAG_BRIDGE_BINDING))
+ netif_carrier_off(dev);
return 0;
}
@@ -550,7 +553,8 @@ static const struct net_device_ops vlan_netdev_ops;
static int vlan_dev_init(struct net_device *dev)
{
- struct net_device *real_dev = vlan_dev_priv(dev)->real_dev;
+ struct vlan_dev_priv *vlan = vlan_dev_priv(dev);
+ struct net_device *real_dev = vlan->real_dev;
netif_carrier_off(dev);
@@ -561,6 +565,9 @@ static int vlan_dev_init(struct net_device *dev)
(1<<__LINK_STATE_DORMANT))) |
(1<<__LINK_STATE_PRESENT);
+ if (vlan->flags & VLAN_FLAG_BRIDGE_BINDING)
+ dev->state |= (1 << __LINK_STATE_NOCARRIER);
+
dev->hw_features = NETIF_F_HW_CSUM | NETIF_F_SG |
NETIF_F_FRAGLIST | NETIF_F_GSO_SOFTWARE |
NETIF_F_GSO_ENCAP_ALL |
@@ -591,8 +598,7 @@ static int vlan_dev_init(struct net_device *dev)
#endif
dev->needed_headroom = real_dev->needed_headroom;
- if (vlan_hw_offload_capable(real_dev->features,
- vlan_dev_priv(dev)->vlan_proto)) {
+ if (vlan_hw_offload_capable(real_dev->features, vlan->vlan_proto)) {
dev->header_ops = &vlan_passthru_header_ops;
dev->hard_header_len = real_dev->hard_header_len;
} else {
@@ -606,8 +612,8 @@ static int vlan_dev_init(struct net_device *dev)
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)
+ vlan->vlan_pcpu_stats = netdev_alloc_pcpu_stats(struct vlan_pcpu_stats);
+ if (!vlan->vlan_pcpu_stats)
return -ENOMEM;
return 0;
diff --git a/net/8021q/vlan_netlink.c b/net/8021q/vlan_netlink.c
index 9b60c1e399e2..24eebbc92364 100644
--- a/net/8021q/vlan_netlink.c
+++ b/net/8021q/vlan_netlink.c
@@ -35,8 +35,8 @@ static inline int vlan_validate_qos_map(struct nlattr *attr)
{
if (!attr)
return 0;
- return nla_validate_nested(attr, IFLA_VLAN_QOS_MAX, vlan_map_policy,
- NULL);
+ return nla_validate_nested_deprecated(attr, IFLA_VLAN_QOS_MAX,
+ vlan_map_policy, NULL);
}
static int vlan_validate(struct nlattr *tb[], struct nlattr *data[],
@@ -84,7 +84,8 @@ static int vlan_validate(struct nlattr *tb[], struct nlattr *data[],
flags = nla_data(data[IFLA_VLAN_FLAGS]);
if ((flags->flags & flags->mask) &
~(VLAN_FLAG_REORDER_HDR | VLAN_FLAG_GVRP |
- VLAN_FLAG_LOOSE_BINDING | VLAN_FLAG_MVRP)) {
+ VLAN_FLAG_LOOSE_BINDING | VLAN_FLAG_MVRP |
+ VLAN_FLAG_BRIDGE_BINDING)) {
NL_SET_ERR_MSG_MOD(extack, "Invalid VLAN flags");
return -EINVAL;
}
@@ -226,7 +227,7 @@ static int vlan_fill_info(struct sk_buff *skb, const struct net_device *dev)
goto nla_put_failure;
}
if (vlan->nr_ingress_mappings) {
- nest = nla_nest_start(skb, IFLA_VLAN_INGRESS_QOS);
+ nest = nla_nest_start_noflag(skb, IFLA_VLAN_INGRESS_QOS);
if (nest == NULL)
goto nla_put_failure;
@@ -244,7 +245,7 @@ static int vlan_fill_info(struct sk_buff *skb, const struct net_device *dev)
}
if (vlan->nr_egress_mappings) {
- nest = nla_nest_start(skb, IFLA_VLAN_EGRESS_QOS);
+ nest = nla_nest_start_noflag(skb, IFLA_VLAN_EGRESS_QOS);
if (nest == NULL)
goto nla_put_failure;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.