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Annotation of Gnu-Mach/i386/i386at/gpl/linux/include/net/netrom.h, revision 1.1

1.1     ! root        1: /*
        !             2:  *     Declarations of NET/ROM type objects.
        !             3:  *
        !             4:  *     Jonathan Naylor G4KLX   9/4/95
        !             5:  */
        !             6:  
        !             7: #ifndef _NETROM_H
        !             8: #define _NETROM_H 
        !             9: #include <linux/netrom.h>
        !            10: 
        !            11: #define        NR_T1CLAMPLO   (1 * PR_SLOWHZ)  /* If defined, clamp at 1 second **/
        !            12: #define        NR_T1CLAMPHI (300 * PR_SLOWHZ)  /* If defined, clamp at 30 seconds **/
        !            13: 
        !            14: #define        NR_NETWORK_LEN          15
        !            15: #define        NR_TRANSPORT_LEN        5
        !            16:  
        !            17: #define        NR_PROTO_IP             0x0C
        !            18: 
        !            19: #define        NR_PROTOEXT             0x00
        !            20: #define        NR_CONNREQ              0x01
        !            21: #define        NR_CONNACK              0x02
        !            22: #define        NR_DISCREQ              0x03
        !            23: #define        NR_DISCACK              0x04
        !            24: #define        NR_INFO                 0x05
        !            25: #define        NR_INFOACK              0x06
        !            26: 
        !            27: #define        NR_CHOKE_FLAG           0x80
        !            28: #define        NR_NAK_FLAG             0x40
        !            29: #define        NR_MORE_FLAG            0x20
        !            30: 
        !            31: /* Define Link State constants. */
        !            32: 
        !            33: #define NR_STATE_0             0
        !            34: #define NR_STATE_1             1
        !            35: #define NR_STATE_2             2
        !            36: #define NR_STATE_3             3
        !            37: 
        !            38: #define NR_DEFAULT_T1          (120 * PR_SLOWHZ)       /* Outstanding frames - 120 seconds */
        !            39: #define NR_DEFAULT_T2          (5   * PR_SLOWHZ)       /* Response delay     - 5 seconds */
        !            40: #define NR_DEFAULT_N2          3                       /* Number of Retries */
        !            41: #define        NR_DEFAULT_T4           (180 * PR_SLOWHZ)       /* Transport Busy Delay */
        !            42: #define        NR_DEFAULT_WINDOW       4                       /* Default Window Size  */
        !            43: #define        NR_DEFAULT_OBS          6                       /* Default Obscolesence Count */
        !            44: #define        NR_DEFAULT_QUAL         10                      /* Default Neighbour Quality */
        !            45: #define        NR_DEFAULT_TTL          16                      /* Default Time To Live */
        !            46: #define NR_MODULUS             256
        !            47: #define NR_MAX_WINDOW_SIZE     127                     /* Maximum Window Allowable */
        !            48: 
        !            49: typedef struct {
        !            50:        ax25_address            user_addr, source_addr, dest_addr;
        !            51:        struct device           *device;
        !            52:        unsigned char           my_index,   my_id;
        !            53:        unsigned char           your_index, your_id;
        !            54:        unsigned char           state, condition, bpqext, hdrincl;
        !            55:        unsigned short          vs, vr, va, vl;
        !            56:        unsigned char           n2, n2count;
        !            57:        unsigned short          t1, t2, rtt;
        !            58:        unsigned short          t1timer, t2timer, t4timer;
        !            59:        unsigned short          fraglen;
        !            60:        struct sk_buff_head     ack_queue;
        !            61:        struct sk_buff_head     reseq_queue;
        !            62:        struct sk_buff_head     frag_queue;
        !            63:        struct sock             *sk;            /* Backlink to socket */
        !            64: } nr_cb;
        !            65: 
        !            66: struct nr_route {
        !            67:        unsigned char  quality;
        !            68:        unsigned char  obs_count;
        !            69:        unsigned short neighbour;
        !            70: };
        !            71: 
        !            72: struct nr_node {
        !            73:        struct nr_node  *next;
        !            74:        ax25_address    callsign;
        !            75:        char mnemonic[7];
        !            76:        unsigned char   which;
        !            77:        unsigned char   count;
        !            78:        struct nr_route routes[3];
        !            79: };
        !            80: 
        !            81: struct nr_neigh {
        !            82:        struct nr_neigh *next;
        !            83:        ax25_address    callsign;
        !            84:        ax25_digi       *digipeat;
        !            85:        struct device   *dev;
        !            86:        unsigned char   quality;
        !            87:        unsigned char   locked;
        !            88:        unsigned short  count;
        !            89:        unsigned short  number;
        !            90: };
        !            91: 
        !            92: /* af_netrom.c */
        !            93: extern struct nr_parms_struct nr_default;
        !            94: extern int  nr_rx_frame(struct sk_buff *, struct device *);
        !            95: extern void nr_destroy_socket(struct sock *);
        !            96: 
        !            97: /* nr_dev.c */
        !            98: extern int  nr_rx_ip(struct sk_buff *, struct device *);
        !            99: extern int  nr_init(struct device *);
        !           100: 
        !           101: #include <net/nrcall.h>
        !           102: 
        !           103: /* nr_in.c */
        !           104: extern int  nr_process_rx_frame(struct sock *, struct sk_buff *);
        !           105: 
        !           106: /* nr_out.c */
        !           107: extern void nr_output(struct sock *, struct sk_buff *);
        !           108: extern void nr_send_nak_frame(struct sock *);
        !           109: extern void nr_kick(struct sock *);
        !           110: extern void nr_transmit_buffer(struct sock *, struct sk_buff *);
        !           111: extern void nr_establish_data_link(struct sock *);
        !           112: extern void nr_enquiry_response(struct sock *);
        !           113: extern void nr_check_iframes_acked(struct sock *, unsigned short);
        !           114: 
        !           115: /* nr_route.c */
        !           116: extern void nr_rt_device_down(struct device *);
        !           117: extern struct device *nr_dev_first(void);
        !           118: extern struct device *nr_dev_get(ax25_address *);
        !           119: extern int  nr_rt_ioctl(unsigned int, void *);
        !           120: extern void nr_link_failed(ax25_address *, struct device *);
        !           121: extern int  nr_route_frame(struct sk_buff *, ax25_cb *);
        !           122: extern int  nr_nodes_get_info(char *, char **, off_t, int, int);
        !           123: extern int  nr_neigh_get_info(char *, char **, off_t, int, int);
        !           124: 
        !           125: /* nr_subr.c */
        !           126: extern void nr_clear_queues(struct sock *);
        !           127: extern void nr_frames_acked(struct sock *, unsigned short);
        !           128: extern void nr_requeue_frames(struct sock *);
        !           129: extern int  nr_validate_nr(struct sock *, unsigned short);
        !           130: extern int  nr_in_rx_window(struct sock *, unsigned short);
        !           131: extern void nr_write_internal(struct sock *, int);
        !           132: extern void nr_transmit_dm(struct sk_buff *);
        !           133: extern unsigned short nr_calculate_t1(struct sock *);
        !           134: extern void nr_calculate_rtt(struct sock *);
        !           135: 
        !           136: /* ax25_timer */
        !           137: extern void nr_set_timer(struct sock *);
        !           138: 
        !           139: #endif

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