1 files changed, 29 insertions, 8 deletions

diff --git a/net/core/dev.h b/net/core/dev.h
index 5aa45f0fd4ae..b7b518bc2be5 100644
--- a/net/core/dev.h
+++ b/net/core/dev.h
@@ -3,11 +3,10 @@
 #define _NET_CORE_DEV_H
 
 #include <linux/types.h>
+#include <linux/rwsem.h>
+#include <linux/netdevice.h>
 
 struct net;
-struct net_device;
-struct netdev_bpf;
-struct netdev_phys_item_id;
 struct netlink_ext_ack;
 struct cpumask;
 
@@ -30,7 +29,6 @@ int __init dev_proc_init(void);
 #endif
 
 void linkwatch_init_dev(struct net_device *dev);
-void linkwatch_forget_dev(struct net_device *dev);
 void linkwatch_run_queue(void);
 
 void dev_addr_flush(struct net_device *dev);
@@ -38,15 +36,13 @@ int dev_addr_init(struct net_device *dev);
 void dev_addr_check(struct net_device *dev);
 
 /* sysctls not referred to from outside net/core/ */
-extern int		netdev_budget;
-extern unsigned int	netdev_budget_usecs;
-extern unsigned int	sysctl_skb_defer_max;
-extern int		netdev_tstamp_prequeue;
 extern int		netdev_unregister_timeout_secs;
 extern int		weight_p;
 extern int		dev_weight_rx_bias;
 extern int		dev_weight_tx_bias;
 
+extern struct rw_semaphore dev_addr_sem;
+
 /* rtnl helpers */
 extern struct list_head net_todo_list;
 void netdev_run_todo(void);
@@ -57,6 +53,7 @@ struct netdev_name_node {
 	struct list_head list;
 	struct net_device *dev;
 	const char *name;
+	struct rcu_head rcu;
 };
 
 int netdev_get_name(struct net *net, char *name, int ifindex);
@@ -64,6 +61,9 @@ int dev_change_name(struct net_device *dev, const char *newname);
 
 #define netdev_for_each_altname(dev, namenode)				\
 	list_for_each_entry((namenode), &(dev)->name_node->list, list)
+#define netdev_for_each_altname_safe(dev, namenode, next)		\
+	list_for_each_entry_safe((namenode), (next), &(dev)->name_node->list, \
+				 list)
 
 int netdev_name_node_alt_create(struct net_device *dev, const char *name);
 int netdev_name_node_alt_destroy(struct net_device *dev, const char *name);
@@ -145,4 +145,25 @@ void xdp_do_check_flushed(struct napi_struct *napi);
 #else
 static inline void xdp_do_check_flushed(struct napi_struct *napi) { }
 #endif
+
+struct napi_struct *napi_by_id(unsigned int napi_id);
+void kick_defer_list_purge(struct softnet_data *sd, unsigned int cpu);
+
+#define XMIT_RECURSION_LIMIT	8
+static inline bool dev_xmit_recursion(void)
+{
+	return unlikely(__this_cpu_read(softnet_data.xmit.recursion) >
+			XMIT_RECURSION_LIMIT);
+}
+
+static inline void dev_xmit_recursion_inc(void)
+{
+	__this_cpu_inc(softnet_data.xmit.recursion);
+}
+
+static inline void dev_xmit_recursion_dec(void)
+{
+	__this_cpu_dec(softnet_data.xmit.recursion);
+}
+
 #endif