/* AX.25 Protocol IDs */
#define AX25_P_ROSE 0x01
-#define AX25_P_IP 0xCC
-#define AX25_P_ARP 0xCD
-#define AX25_P_TEXT 0xF0
-#define AX25_P_NETROM 0xCF
-#define AX25_P_SEGMENT 0x08
+#define AX25_P_VJCOMP 0x06 /* Compressed TCP/IP packet */
+ /* Van Jacobsen (RFC 1144) */
+#define AX25_P_VJUNCOMP 0x07 /* Uncompressed TCP/IP packet */
+ /* Van Jacobsen (RFC 1144) */
+#define AX25_P_SEGMENT 0x08 /* Segmentation fragment */
+#define AX25_P_TEXNET 0xc3 /* TEXTNET datagram protocol */
+#define AX25_P_LQ 0xc4 /* Link Quality Protocol */
+#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_FLEXNET 0xce /* FlexNet */
+#define AX25_P_NETROM 0xcf /* NET/ROM */
+#define AX25_P_TEXT 0xF0 /* No layer 3 protocol impl. */
/* AX.25 Segment control values */
#define AX25_SEG_REM 0x7F
/* Define Link State constants. */
enum {
- AX25_STATE_0,
- AX25_STATE_1,
- AX25_STATE_2,
- AX25_STATE_3,
- AX25_STATE_4
+ AX25_STATE_0, /* Listening */
+ AX25_STATE_1, /* SABM sent */
+ AX25_STATE_2, /* DISC sent */
+ AX25_STATE_3, /* Established */
+ AX25_STATE_4 /* Recovery */
};
#define AX25_MODULUS 8 /* Standard AX.25 modulus */
enum {
AX25_PROTO_STD_SIMPLEX,
AX25_PROTO_STD_DUPLEX,
+#ifdef CONFIG_AX25_DAMA_SLAVE
AX25_PROTO_DAMA_SLAVE,
- AX25_PROTO_DAMA_MASTER
+#ifdef CONFIG_AX25_DAMA_MASTER
+ AX25_PROTO_DAMA_MASTER,
+#define AX25_PROTO_MAX AX25_PROTO_DAMA_MASTER
+#endif
+#endif
+ __AX25_PROTO_MAX,
+ AX25_PROTO_MAX = __AX25_PROTO_MAX -1
};
enum {
#define AX25_DEF_DS_TIMEOUT (3 * 60 * HZ) /* DAMA timeout 3 minutes */
typedef struct ax25_uid_assoc {
- struct ax25_uid_assoc *next;
+ struct hlist_node uid_node;
+ atomic_t refcount;
uid_t uid;
ax25_address call;
} ax25_uid_assoc;
+#define ax25_uid_for_each(__ax25, node, list) \
+ hlist_for_each_entry(__ax25, node, list, uid_node)
+
+#define ax25_uid_hold(ax25) \
+ atomic_inc(&((ax25)->refcount))
+
+static inline void ax25_uid_put(ax25_uid_assoc *assoc)
+{
+ if (atomic_dec_and_test(&assoc->refcount)) {
+ kfree(assoc);
+ }
+}
+
typedef struct {
ax25_address calls[AX25_MAX_DIGIS];
unsigned char repeated[AX25_MAX_DIGIS];
unsigned char ndigi;
- char lastrepeat;
+ signed char lastrepeat;
} ax25_digi;
typedef struct ax25_route {
static __inline__ void ax25_cb_put(ax25_cb *ax25)
{
if (atomic_dec_and_test(&ax25->refcount)) {
- if (ax25->digipeat)
- kfree(ax25->digipeat);
+ kfree(ax25->digipeat);
kfree(ax25);
}
}
+static inline __be16 ax25_type_trans(struct sk_buff *skb, struct net_device *dev)
+{
+ skb->dev = dev;
+ skb->pkt_type = PACKET_HOST;
+ skb->mac.raw = skb->data;
+ return htons(ETH_P_AX25);
+}
+
/* af_ax25.c */
extern struct hlist_head ax25_list;
extern spinlock_t ax25_list_lock;
/* ax25_addr.c */
extern ax25_address null_ax25_address;
-extern char *ax2asc(ax25_address *);
-extern ax25_address *asc2ax(char *);
+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 *);
/* ax25_in.c */
extern int ax25_rx_iframe(ax25_cb *, struct sk_buff *);
-extern int ax25_kiss_rcv(struct sk_buff *, struct net_device *, struct packet_type *);
+extern int ax25_kiss_rcv(struct sk_buff *, struct net_device *, struct packet_type *, struct net_device *);
/* ax25_ip.c */
-extern int ax25_encapsulate(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, void *, void *, unsigned int);
extern int ax25_rebuild_header(struct sk_buff *);
/* ax25_out.c */
extern void ax25_output(ax25_cb *, int, struct sk_buff *);
extern void ax25_kick(ax25_cb *);
extern void ax25_transmit_buffer(ax25_cb *, struct sk_buff *, int);
-extern void ax25_queue_xmit(struct sk_buff *);
+extern void ax25_queue_xmit(struct sk_buff *skb, struct net_device *dev);
extern int ax25_check_iframes_acked(ax25_cb *, unsigned short);
/* ax25_route.c */
/* ax25_uid.c */
extern int ax25_uid_policy;
-extern ax25_address *ax25_findbyuid(uid_t);
+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 void ax25_uid_free(void);