X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fnet%2Fax25.h;fp=include%2Fnet%2Fax25.h;h=5ae10dd2e32ebaa1a08ae06392ea7ffc42b37eb7;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=d052b221dbcd4b5ce124e9ee3a0c64358a2dbf1d;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/include/net/ax25.h b/include/net/ax25.h index d052b221d..5ae10dd2e 100644 --- a/include/net/ax25.h +++ b/include/net/ax25.h @@ -6,7 +6,6 @@ #ifndef _AX25_H #define _AX25_H -#include #include #include #include @@ -145,14 +144,14 @@ enum { #define AX25_DEF_CONMODE 2 /* Connected mode allowed */ #define AX25_DEF_WINDOW 2 /* Window=2 */ #define AX25_DEF_EWINDOW 32 /* Module-128 Window=32 */ -#define AX25_DEF_T1 (10 * HZ) /* T1=10s */ -#define AX25_DEF_T2 (3 * HZ) /* T2=3s */ -#define AX25_DEF_T3 (300 * HZ) /* T3=300s */ +#define AX25_DEF_T1 10000 /* T1=10s */ +#define AX25_DEF_T2 3000 /* T2=3s */ +#define AX25_DEF_T3 300000 /* T3=300s */ #define AX25_DEF_N2 10 /* N2=10 */ -#define AX25_DEF_IDLE (0 * 60 * HZ) /* Idle=None */ +#define AX25_DEF_IDLE 0 /* Idle=None */ #define AX25_DEF_PACLEN 256 /* Paclen=256 */ #define AX25_DEF_PROTOCOL AX25_PROTO_STD_SIMPLEX /* Standard AX.25 */ -#define AX25_DEF_DS_TIMEOUT (3 * 60 * HZ) /* DAMA timeout 3 minutes */ +#define AX25_DEF_DS_TIMEOUT 180000 /* DAMA timeout 3 minutes */ typedef struct ax25_uid_assoc { struct hlist_node uid_node; @@ -183,14 +182,26 @@ typedef struct { typedef struct ax25_route { struct ax25_route *next; - atomic_t ref; + atomic_t refcount; ax25_address callsign; struct net_device *dev; ax25_digi *digipeat; char ip_mode; - struct timer_list timer; } ax25_route; +static inline void ax25_hold_route(ax25_route *ax25_rt) +{ + atomic_inc(&ax25_rt->refcount); +} + +extern void __ax25_put_route(ax25_route *ax25_rt); + +static inline void ax25_put_route(ax25_route *ax25_rt) +{ + if (atomic_dec_and_test(&ax25_rt->refcount)) + __ax25_put_route(ax25_rt); +} + typedef struct { char slave; /* slave_mode? */ struct timer_list slave_timer; /* timeout timer */ @@ -266,20 +277,24 @@ struct sock *ax25_get_socket(ax25_address *, ax25_address *, int); extern ax25_cb *ax25_find_cb(ax25_address *, ax25_address *, ax25_digi *, struct net_device *); extern void ax25_send_to_raw(ax25_address *, struct sk_buff *, int); extern void ax25_destroy_socket(ax25_cb *); -extern ax25_cb *ax25_create_cb(void); +extern ax25_cb * __must_check ax25_create_cb(void); extern void ax25_fillin_cb(ax25_cb *, ax25_dev *); extern struct sock *ax25_make_new(struct sock *, struct ax25_dev *); /* ax25_addr.c */ -extern ax25_address null_ax25_address; -extern char *ax2asc(char *buf, ax25_address *); -extern void asc2ax(ax25_address *addr, char *callsign); -extern int ax25cmp(ax25_address *, ax25_address *); -extern int ax25digicmp(ax25_digi *, ax25_digi *); -extern unsigned char *ax25_addr_parse(unsigned char *, int, ax25_address *, ax25_address *, ax25_digi *, int *, int *); -extern int ax25_addr_build(unsigned char *, ax25_address *, ax25_address *, ax25_digi *, int, int); -extern int ax25_addr_size(ax25_digi *); -extern void ax25_digi_invert(ax25_digi *, ax25_digi *); +extern const ax25_address ax25_bcast; +extern const ax25_address ax25_defaddr; +extern const ax25_address null_ax25_address; +extern char *ax2asc(char *buf, const ax25_address *); +extern void asc2ax(ax25_address *addr, const char *callsign); +extern int ax25cmp(const ax25_address *, const ax25_address *); +extern int ax25digicmp(const ax25_digi *, const ax25_digi *); +extern const unsigned char *ax25_addr_parse(const unsigned char *, int, + ax25_address *, ax25_address *, ax25_digi *, int *, int *); +extern int ax25_addr_build(unsigned char *, const ax25_address *, + const ax25_address *, const ax25_digi *, int, int); +extern int ax25_addr_size(const ax25_digi *); +extern void ax25_digi_invert(const ax25_digi *, ax25_digi *); /* ax25_dev.c */ extern ax25_dev *ax25_dev_list; @@ -318,11 +333,25 @@ extern void ax25_ds_t3timer_expiry(ax25_cb *); extern void ax25_ds_idletimer_expiry(ax25_cb *); /* ax25_iface.c */ -extern int ax25_protocol_register(unsigned int, int (*)(struct sk_buff *, ax25_cb *)); + +struct ax25_protocol { + struct ax25_protocol *next; + unsigned int pid; + int (*func)(struct sk_buff *, ax25_cb *); +}; + +extern void ax25_register_pid(struct ax25_protocol *ap); extern void ax25_protocol_release(unsigned int); -extern int ax25_linkfail_register(void (*)(ax25_cb *, int)); -extern void ax25_linkfail_release(void (*)(ax25_cb *, int)); -extern int ax25_listen_register(ax25_address *, struct net_device *); + +struct ax25_linkfail { + struct hlist_node lf_node; + void (*func)(ax25_cb *, int); +}; + +extern void ax25_linkfail_register(struct ax25_linkfail *lf); +extern void ax25_linkfail_release(struct ax25_linkfail *lf); +extern int __must_check ax25_listen_register(ax25_address *, + struct net_device *); extern void ax25_listen_release(ax25_address *, struct net_device *); extern int (*ax25_protocol_function(unsigned int))(struct sk_buff *, ax25_cb *); extern int ax25_listen_mine(ax25_address *, struct net_device *); @@ -349,17 +378,11 @@ extern int ax25_check_iframes_acked(ax25_cb *, unsigned short); extern void ax25_rt_device_down(struct net_device *); extern int ax25_rt_ioctl(unsigned int, void __user *); extern struct file_operations ax25_route_fops; +extern ax25_route *ax25_get_route(ax25_address *addr, struct net_device *dev); extern int ax25_rt_autobind(ax25_cb *, ax25_address *); -extern ax25_route *ax25_rt_find_route(ax25_route *, ax25_address *, - struct net_device *); extern struct sk_buff *ax25_rt_build_path(struct sk_buff *, ax25_address *, ax25_address *, ax25_digi *); extern void ax25_rt_free(void); -static inline void ax25_put_route(ax25_route *ax25_rt) -{ - atomic_dec(&ax25_rt->ref); -} - /* ax25_std_in.c */ extern int ax25_std_frame_in(ax25_cb *, struct sk_buff *, int); @@ -406,7 +429,7 @@ extern unsigned long ax25_display_timer(struct timer_list *); /* ax25_uid.c */ extern int ax25_uid_policy; extern ax25_uid_assoc *ax25_findbyuid(uid_t); -extern int ax25_uid_ioctl(int, struct sockaddr_ax25 *); +extern int __must_check ax25_uid_ioctl(int, struct sockaddr_ax25 *); extern struct file_operations ax25_uid_fops; extern void ax25_uid_free(void);