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-rw-r--r--include/linux/netpoll.h28
1 files changed, 23 insertions, 5 deletions
diff --git a/include/linux/netpoll.h b/include/linux/netpoll.h
index 66d5379c305e..9d7d8c64f7c8 100644
--- a/include/linux/netpoll.h
+++ b/include/linux/netpoll.h
@@ -12,28 +12,38 @@
12#include <linux/rcupdate.h> 12#include <linux/rcupdate.h>
13#include <linux/list.h> 13#include <linux/list.h>
14 14
15union inet_addr {
16 __u32 all[4];
17 __be32 ip;
18 __be32 ip6[4];
19 struct in_addr in;
20 struct in6_addr in6;
21};
22
15struct netpoll { 23struct netpoll {
16 struct net_device *dev; 24 struct net_device *dev;
17 char dev_name[IFNAMSIZ]; 25 char dev_name[IFNAMSIZ];
18 const char *name; 26 const char *name;
19 void (*rx_hook)(struct netpoll *, int, char *, int); 27 void (*rx_hook)(struct netpoll *, int, char *, int);
20 28
21 __be32 local_ip, remote_ip; 29 union inet_addr local_ip, remote_ip;
30 bool ipv6;
22 u16 local_port, remote_port; 31 u16 local_port, remote_port;
23 u8 remote_mac[ETH_ALEN]; 32 u8 remote_mac[ETH_ALEN];
24 33
25 struct list_head rx; /* rx_np list element */ 34 struct list_head rx; /* rx_np list element */
26 struct rcu_head rcu; 35 struct work_struct cleanup_work;
27}; 36};
28 37
29struct netpoll_info { 38struct netpoll_info {
30 atomic_t refcnt; 39 atomic_t refcnt;
31 40
32 int rx_flags; 41 unsigned long rx_flags;
33 spinlock_t rx_lock; 42 spinlock_t rx_lock;
43 struct mutex dev_lock;
34 struct list_head rx_np; /* netpolls that registered an rx_hook */ 44 struct list_head rx_np; /* netpolls that registered an rx_hook */
35 45
36 struct sk_buff_head arp_tx; /* list of arp requests to reply to */ 46 struct sk_buff_head neigh_tx; /* list of neigh requests to reply to */
37 struct sk_buff_head txq; 47 struct sk_buff_head txq;
38 48
39 struct delayed_work tx_work; 49 struct delayed_work tx_work;
@@ -42,6 +52,14 @@ struct netpoll_info {
42 struct rcu_head rcu; 52 struct rcu_head rcu;
43}; 53};
44 54
55#ifdef CONFIG_NETPOLL
56extern int netpoll_rx_disable(struct net_device *dev);
57extern void netpoll_rx_enable(struct net_device *dev);
58#else
59static inline int netpoll_rx_disable(struct net_device *dev) { return 0; }
60static inline void netpoll_rx_enable(struct net_device *dev) { return; }
61#endif
62
45void netpoll_send_udp(struct netpoll *np, const char *msg, int len); 63void netpoll_send_udp(struct netpoll *np, const char *msg, int len);
46void netpoll_print_options(struct netpoll *np); 64void netpoll_print_options(struct netpoll *np);
47int netpoll_parse_options(struct netpoll *np, char *opt); 65int netpoll_parse_options(struct netpoll *np, char *opt);
@@ -50,7 +68,7 @@ int netpoll_setup(struct netpoll *np);
50int netpoll_trap(void); 68int netpoll_trap(void);
51void netpoll_set_trap(int trap); 69void netpoll_set_trap(int trap);
52void __netpoll_cleanup(struct netpoll *np); 70void __netpoll_cleanup(struct netpoll *np);
53void __netpoll_free_rcu(struct netpoll *np); 71void __netpoll_free_async(struct netpoll *np);
54void netpoll_cleanup(struct netpoll *np); 72void netpoll_cleanup(struct netpoll *np);
55int __netpoll_rx(struct sk_buff *skb, struct netpoll_info *npinfo); 73int __netpoll_rx(struct sk_buff *skb, struct netpoll_info *npinfo);
56void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb, 74void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb,