diff options
Diffstat (limited to 'include/net/llc.h')
| -rw-r--r-- | include/net/llc.h | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/include/net/llc.h b/include/net/llc.h index c9aed2a8b4e2..1adb2ef3f6f7 100644 --- a/include/net/llc.h +++ b/include/net/llc.h @@ -17,6 +17,8 @@ #include <linux/list.h> #include <linux/spinlock.h> +#include <asm/atomic.h> + struct net_device; struct packet_type; struct sk_buff; @@ -44,9 +46,11 @@ struct llc_sap { unsigned char state; unsigned char p_bit; unsigned char f_bit; + atomic_t refcnt; int (*rcv_func)(struct sk_buff *skb, struct net_device *dev, - struct packet_type *pt); + struct packet_type *pt, + struct net_device *orig_dev); struct llc_addr laddr; struct list_head node; struct { @@ -64,7 +68,7 @@ extern rwlock_t llc_sap_list_lock; extern unsigned char llc_station_mac_sa[ETH_ALEN]; extern int llc_rcv(struct sk_buff *skb, struct net_device *dev, - struct packet_type *pt); + struct packet_type *pt, struct net_device *orig_dev); extern int llc_mac_hdr_init(struct sk_buff *skb, unsigned char *sa, unsigned char *da); @@ -78,14 +82,29 @@ extern void llc_set_station_handler(void (*handler)(struct sk_buff *skb)); extern struct llc_sap *llc_sap_open(unsigned char lsap, int (*rcv)(struct sk_buff *skb, struct net_device *dev, - struct packet_type *pt)); + struct packet_type *pt, + struct net_device *orig_dev)); +static inline void llc_sap_hold(struct llc_sap *sap) +{ + atomic_inc(&sap->refcnt); +} + extern void llc_sap_close(struct llc_sap *sap); +static inline void llc_sap_put(struct llc_sap *sap) +{ + if (atomic_dec_and_test(&sap->refcnt)) + llc_sap_close(sap); +} + extern struct llc_sap *llc_sap_find(unsigned char sap_value); extern int llc_build_and_send_ui_pkt(struct llc_sap *sap, struct sk_buff *skb, unsigned char *dmac, unsigned char dsap); +extern void llc_sap_handler(struct llc_sap *sap, struct sk_buff *skb); +extern void llc_conn_handler(struct llc_sap *sap, struct sk_buff *skb); + extern int llc_station_init(void); extern void llc_station_exit(void); @@ -96,4 +115,17 @@ extern void llc_proc_exit(void); #define llc_proc_init() (0) #define llc_proc_exit() do { } while(0) #endif /* CONFIG_PROC_FS */ +#ifdef CONFIG_SYSCTL +extern int llc_sysctl_init(void); +extern void llc_sysctl_exit(void); + +extern int sysctl_llc2_ack_timeout; +extern int sysctl_llc2_busy_timeout; +extern int sysctl_llc2_p_timeout; +extern int sysctl_llc2_rej_timeout; +extern int sysctl_llc_station_ack_timeout; +#else +#define llc_sysctl_init() (0) +#define llc_sysctl_exit() do { } while(0) +#endif /* CONFIG_SYSCTL */ #endif /* LLC_H */ |