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authorLen Brown <len.brown@intel.com>2005-12-06 17:31:30 -0500
committerLen Brown <len.brown@intel.com>2005-12-06 17:31:30 -0500
commit3d5271f9883cba7b54762bc4fe027d4172f06db7 (patch)
treeab8a881a14478598a0c8bda0d26c62cdccfffd6d /include/net/llc.h
parent378b2556f4e09fa6f87ff0cb5c4395ff28257d02 (diff)
parent9115a6c787596e687df03010d97fccc5e0762506 (diff)
Pull release into acpica branch
Diffstat (limited to 'include/net/llc.h')
-rw-r--r--include/net/llc.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/include/net/llc.h b/include/net/llc.h
index 71769a5aeef3..1adb2ef3f6f7 100644
--- a/include/net/llc.h
+++ b/include/net/llc.h
@@ -17,6 +17,8 @@
17#include <linux/list.h> 17#include <linux/list.h>
18#include <linux/spinlock.h> 18#include <linux/spinlock.h>
19 19
20#include <asm/atomic.h>
21
20struct net_device; 22struct net_device;
21struct packet_type; 23struct packet_type;
22struct sk_buff; 24struct sk_buff;
@@ -44,6 +46,7 @@ struct llc_sap {
44 unsigned char state; 46 unsigned char state;
45 unsigned char p_bit; 47 unsigned char p_bit;
46 unsigned char f_bit; 48 unsigned char f_bit;
49 atomic_t refcnt;
47 int (*rcv_func)(struct sk_buff *skb, 50 int (*rcv_func)(struct sk_buff *skb,
48 struct net_device *dev, 51 struct net_device *dev,
49 struct packet_type *pt, 52 struct packet_type *pt,
@@ -81,13 +84,27 @@ extern struct llc_sap *llc_sap_open(unsigned char lsap,
81 struct net_device *dev, 84 struct net_device *dev,
82 struct packet_type *pt, 85 struct packet_type *pt,
83 struct net_device *orig_dev)); 86 struct net_device *orig_dev));
87static inline void llc_sap_hold(struct llc_sap *sap)
88{
89 atomic_inc(&sap->refcnt);
90}
91
84extern void llc_sap_close(struct llc_sap *sap); 92extern void llc_sap_close(struct llc_sap *sap);
85 93
94static inline void llc_sap_put(struct llc_sap *sap)
95{
96 if (atomic_dec_and_test(&sap->refcnt))
97 llc_sap_close(sap);
98}
99
86extern struct llc_sap *llc_sap_find(unsigned char sap_value); 100extern struct llc_sap *llc_sap_find(unsigned char sap_value);
87 101
88extern int llc_build_and_send_ui_pkt(struct llc_sap *sap, struct sk_buff *skb, 102extern int llc_build_and_send_ui_pkt(struct llc_sap *sap, struct sk_buff *skb,
89 unsigned char *dmac, unsigned char dsap); 103 unsigned char *dmac, unsigned char dsap);
90 104
105extern void llc_sap_handler(struct llc_sap *sap, struct sk_buff *skb);
106extern void llc_conn_handler(struct llc_sap *sap, struct sk_buff *skb);
107
91extern int llc_station_init(void); 108extern int llc_station_init(void);
92extern void llc_station_exit(void); 109extern void llc_station_exit(void);
93 110
@@ -98,4 +115,17 @@ extern void llc_proc_exit(void);
98#define llc_proc_init() (0) 115#define llc_proc_init() (0)
99#define llc_proc_exit() do { } while(0) 116#define llc_proc_exit() do { } while(0)
100#endif /* CONFIG_PROC_FS */ 117#endif /* CONFIG_PROC_FS */
118#ifdef CONFIG_SYSCTL
119extern int llc_sysctl_init(void);
120extern void llc_sysctl_exit(void);
121
122extern int sysctl_llc2_ack_timeout;
123extern int sysctl_llc2_busy_timeout;
124extern int sysctl_llc2_p_timeout;
125extern int sysctl_llc2_rej_timeout;
126extern int sysctl_llc_station_ack_timeout;
127#else
128#define llc_sysctl_init() (0)
129#define llc_sysctl_exit() do { } while(0)
130#endif /* CONFIG_SYSCTL */
101#endif /* LLC_H */ 131#endif /* LLC_H */