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-rw-r--r--include/linux/if_macvlan.h1
-rw-r--r--include/linux/if_vlan.h3
-rw-r--r--include/linux/netdevice.h18
3 files changed, 20 insertions, 2 deletions
diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h
index 7c8b20b120ea..a9a53b12397b 100644
--- a/include/linux/if_macvlan.h
+++ b/include/linux/if_macvlan.h
@@ -56,6 +56,7 @@ struct macvlan_dev {
int numqueues;
netdev_features_t tap_features;
int minor;
+ int nest_level;
};
static inline void macvlan_count_rx(const struct macvlan_dev *vlan,
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index 13bbbde00e68..724bde8477b2 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -73,7 +73,7 @@ static inline struct vlan_ethhdr *vlan_eth_hdr(const struct sk_buff *skb)
/* found in socket.c */
extern void vlan_ioctl_set(int (*hook)(struct net *, void __user *));
-static inline int is_vlan_dev(struct net_device *dev)
+static inline bool is_vlan_dev(struct net_device *dev)
{
return dev->priv_flags & IFF_802_1Q_VLAN;
}
@@ -159,6 +159,7 @@ struct vlan_dev_priv {
#ifdef CONFIG_NET_POLL_CONTROLLER
struct netpoll *netpoll;
#endif
+ unsigned int nest_level;
};
static inline struct vlan_dev_priv *vlan_dev_priv(const struct net_device *dev)
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 20e99efb1ca6..9d4b1f1b6b75 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1144,6 +1144,7 @@ struct net_device_ops {
netdev_tx_t (*ndo_dfwd_start_xmit) (struct sk_buff *skb,
struct net_device *dev,
void *priv);
+ int (*ndo_get_lock_subclass)(struct net_device *dev);
};
/**
@@ -2950,7 +2951,12 @@ static inline void netif_addr_lock(struct net_device *dev)
static inline void netif_addr_lock_nested(struct net_device *dev)
{
- spin_lock_nested(&dev->addr_list_lock, SINGLE_DEPTH_NESTING);
+ int subclass = SINGLE_DEPTH_NESTING;
+
+ if (dev->netdev_ops->ndo_get_lock_subclass)
+ subclass = dev->netdev_ops->ndo_get_lock_subclass(dev);
+
+ spin_lock_nested(&dev->addr_list_lock, subclass);
}
static inline void netif_addr_lock_bh(struct net_device *dev)
@@ -3077,6 +3083,14 @@ void *netdev_lower_get_next_private_rcu(struct net_device *dev,
priv; \
priv = netdev_lower_get_next_private_rcu(dev, &(iter)))
+void *netdev_lower_get_next(struct net_device *dev,
+ struct list_head **iter);
+#define netdev_for_each_lower_dev(dev, ldev, iter) \
+ for (iter = &(dev)->adj_list.lower, \
+ ldev = netdev_lower_get_next(dev, &(iter)); \
+ ldev; \
+ ldev = netdev_lower_get_next(dev, &(iter)))
+
void *netdev_adjacent_get_private(struct list_head *adj_list);
void *netdev_lower_get_first_private_rcu(struct net_device *dev);
struct net_device *netdev_master_upper_dev_get(struct net_device *dev);
@@ -3092,6 +3106,8 @@ void netdev_upper_dev_unlink(struct net_device *dev,
void netdev_adjacent_rename_links(struct net_device *dev, char *oldname);
void *netdev_lower_dev_get_private(struct net_device *dev,
struct net_device *lower_dev);
+int dev_get_nest_level(struct net_device *dev,
+ bool (*type_check)(struct net_device *dev));
int skb_checksum_help(struct sk_buff *skb);
struct sk_buff *__skb_gso_segment(struct sk_buff *skb,
netdev_features_t features, bool tx_path);