sctp: Fix broken RTO-doubling for data retransmits

[safe/jmp/linux-2.6] / include / net / ax25.h

diff --git a/include/net/ax25.h b/include/net/ax25.h
index 7cd528e..717e219 100644 (file)
--- a/include/net/ax25.h
+++ b/include/net/ax25.h
@@ -35,7 +35,7 @@
 #define AX25_P_ATALK                   0xca    /* Appletalk                  */
 #define AX25_P_ATALK_ARP               0xcb    /* Appletalk ARP              */
 #define AX25_P_IP                      0xcc    /* ARPA Internet Protocol     */
-#define AX25_P_ARP                     0xcd    /* ARPA Adress Resolution     */
+#define AX25_P_ARP                     0xcd    /* ARPA Address Resolution    */
 #define AX25_P_FLEXNET                 0xce    /* FlexNet                    */
 #define AX25_P_NETROM                  0xcf    /* NET/ROM                    */
 #define AX25_P_TEXT                    0xF0    /* No layer 3 protocol impl.  */
@@ -182,14 +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 */
@@ -251,8 +263,8 @@ static __inline__ void ax25_cb_put(ax25_cb *ax25)
 static inline __be16 ax25_type_trans(struct sk_buff *skb, struct net_device *dev)
 {
        skb->dev      = dev;
+       skb_reset_mac_header(skb);
        skb->pkt_type = PACKET_HOST;
-       skb->mac.raw  = skb->data;
        return htons(ETH_P_AX25);
 }
 
@@ -265,20 +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;
@@ -308,6 +324,7 @@ extern void ax25_dama_on(ax25_cb *);
 extern void ax25_dama_off(ax25_cb *);
 
 /* ax25_ds_timer.c */
+extern void ax25_ds_setup_timer(ax25_dev *);
 extern void ax25_ds_set_timer(ax25_dev *);
 extern void ax25_ds_del_timer(ax25_dev *);
 extern void ax25_ds_timer(ax25_cb *);
@@ -317,11 +334,25 @@ 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 *);
@@ -333,8 +364,11 @@ extern int  ax25_rx_iframe(ax25_cb *, struct sk_buff *);
 extern int  ax25_kiss_rcv(struct sk_buff *, struct net_device *, struct packet_type *, struct net_device *);
 
 /* ax25_ip.c */
-extern int  ax25_hard_header(struct sk_buff *, struct net_device *, unsigned short, void *, void *, unsigned int);
+extern int ax25_hard_header(struct sk_buff *, struct net_device *,
+                           unsigned short, const void *,
+                           const void *, unsigned int);
 extern int  ax25_rebuild_header(struct sk_buff *);
+extern const struct header_ops ax25_header_ops;
 
 /* ax25_out.c */
 extern ax25_cb *ax25_send_frame(struct sk_buff *, int, ax25_address *, ax25_address *, ax25_digi *, struct net_device *);
@@ -347,18 +381,12 @@ extern int  ax25_check_iframes_acked(ax25_cb *, unsigned short);
 /* ax25_route.c */
 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 const 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);
 
@@ -389,6 +417,7 @@ extern void ax25_calculate_rtt(ax25_cb *);
 extern void ax25_disconnect(ax25_cb *, int);
 
 /* ax25_timer.c */
+extern void ax25_setup_timers(ax25_cb *);
 extern void ax25_start_heartbeat(ax25_cb *);
 extern void ax25_start_t1timer(ax25_cb *);
 extern void ax25_start_t2timer(ax25_cb *);
@@ -405,8 +434,8 @@ 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 struct file_operations ax25_uid_fops;
+extern int __must_check ax25_uid_ioctl(int, struct sockaddr_ax25 *);
+extern const struct file_operations ax25_uid_fops;
 extern void ax25_uid_free(void);
 
 /* sysctl_net_ax25.c */