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Annotation of Gnu-Mach/linux/src/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_SLOWHZ                       10      /* Run timing at 1/10 second */
        !            12: 
        !            13: #define        NR_NETWORK_LEN                  15
        !            14: #define        NR_TRANSPORT_LEN                5
        !            15: 
        !            16: #define        NR_PROTO_IP                     0x0C
        !            17: 
        !            18: #define        NR_PROTOEXT                     0x00
        !            19: #define        NR_CONNREQ                      0x01
        !            20: #define        NR_CONNACK                      0x02
        !            21: #define        NR_DISCREQ                      0x03
        !            22: #define        NR_DISCACK                      0x04
        !            23: #define        NR_INFO                         0x05
        !            24: #define        NR_INFOACK                      0x06
        !            25: 
        !            26: #define        NR_CHOKE_FLAG                   0x80
        !            27: #define        NR_NAK_FLAG                     0x40
        !            28: #define        NR_MORE_FLAG                    0x20
        !            29: 
        !            30: /* Define Link State constants. */
        !            31: 
        !            32: #define NR_STATE_0                     0
        !            33: #define NR_STATE_1                     1
        !            34: #define NR_STATE_2                     2
        !            35: #define NR_STATE_3                     3
        !            36: 
        !            37: #define        NR_COND_ACK_PENDING             0x01
        !            38: #define        NR_COND_REJECT                  0x02
        !            39: #define        NR_COND_PEER_RX_BUSY            0x04
        !            40: #define        NR_COND_OWN_RX_BUSY             0x08
        !            41: 
        !            42: #define NR_DEFAULT_T1                  (120 * NR_SLOWHZ)       /* Outstanding frames - 120 seconds */
        !            43: #define NR_DEFAULT_T2                  (5   * NR_SLOWHZ)       /* Response delay     - 5 seconds */
        !            44: #define NR_DEFAULT_N2                  3                       /* Number of Retries - 3 */
        !            45: #define        NR_DEFAULT_T4                   (180 * NR_SLOWHZ)       /* Busy Delay - 180 seconds */
        !            46: #define        NR_DEFAULT_WINDOW               4                       /* Default Window Size - 4 */
        !            47: #define        NR_DEFAULT_OBS                  6                       /* Default Obsolescence Count - 6 */
        !            48: #define        NR_DEFAULT_QUAL                 10                      /* Default Neighbour Quality - 10 */
        !            49: #define        NR_DEFAULT_TTL                  16                      /* Default Time To Live - 16 */
        !            50: #define        NR_DEFAULT_ROUTING              1                       /* Is routing enabled ? */
        !            51: #define        NR_DEFAULT_FAILS                2                       /* Link fails until route fails */
        !            52: 
        !            53: #define NR_MODULUS                     256
        !            54: #define NR_MAX_WINDOW_SIZE             127                     /* Maximum Window Allowable - 127 */
        !            55: #define        NR_MAX_PACKET_SIZE              236                     /* Maximum Packet Length - 236 */
        !            56: 
        !            57: typedef struct {
        !            58:        ax25_address            user_addr, source_addr, dest_addr;
        !            59:        struct device           *device;
        !            60:        unsigned char           my_index,   my_id;
        !            61:        unsigned char           your_index, your_id;
        !            62:        unsigned char           state, condition, bpqext, window;
        !            63:        unsigned short          vs, vr, va, vl;
        !            64:        unsigned char           n2, n2count;
        !            65:        unsigned short          t1, t2, t4;
        !            66:        unsigned short          t1timer, t2timer, t4timer;
        !            67:        unsigned short          fraglen;
        !            68:        struct sk_buff_head     ack_queue;
        !            69:        struct sk_buff_head     reseq_queue;
        !            70:        struct sk_buff_head     frag_queue;
        !            71:        struct sock             *sk;            /* Backlink to socket */
        !            72: } nr_cb;
        !            73: 
        !            74: struct nr_neigh {
        !            75:        struct nr_neigh *next;
        !            76:        ax25_address    callsign;
        !            77:        ax25_digi       *digipeat;
        !            78:        ax25_cb         *ax25;
        !            79:        struct device   *dev;
        !            80:        unsigned char   quality;
        !            81:        unsigned char   locked;
        !            82:        unsigned short  count;
        !            83:        unsigned int    number;
        !            84:        unsigned char   failed;
        !            85: };
        !            86: 
        !            87: struct nr_route {
        !            88:        unsigned char   quality;
        !            89:        unsigned char   obs_count;
        !            90:        struct nr_neigh *neighbour;
        !            91: };
        !            92: 
        !            93: struct nr_node {
        !            94:        struct nr_node  *next;
        !            95:        ax25_address    callsign;
        !            96:        char            mnemonic[7];
        !            97:        unsigned char   which;
        !            98:        unsigned char   count;
        !            99:        struct nr_route routes[3];
        !           100: };
        !           101: 
        !           102: /* af_netrom.c */
        !           103: extern int  sysctl_netrom_default_path_quality;
        !           104: extern int  sysctl_netrom_obsolescence_count_initialiser;
        !           105: extern int  sysctl_netrom_network_ttl_initialiser;
        !           106: extern int  sysctl_netrom_transport_timeout;
        !           107: extern int  sysctl_netrom_transport_maximum_tries;
        !           108: extern int  sysctl_netrom_transport_acknowledge_delay;
        !           109: extern int  sysctl_netrom_transport_busy_delay;
        !           110: extern int  sysctl_netrom_transport_requested_window_size;
        !           111: extern int  sysctl_netrom_routing_control;
        !           112: extern int  sysctl_netrom_link_fails_count;
        !           113: extern int  nr_rx_frame(struct sk_buff *, struct device *);
        !           114: extern void nr_destroy_socket(struct sock *);
        !           115: 
        !           116: /* nr_dev.c */
        !           117: extern int  nr_rx_ip(struct sk_buff *, struct device *);
        !           118: extern int  nr_init(struct device *);
        !           119: 
        !           120: #include <net/nrcall.h>
        !           121: 
        !           122: /* nr_in.c */
        !           123: extern int  nr_process_rx_frame(struct sock *, struct sk_buff *);
        !           124: 
        !           125: /* nr_out.c */
        !           126: extern void nr_output(struct sock *, struct sk_buff *);
        !           127: extern void nr_send_nak_frame(struct sock *);
        !           128: extern void nr_kick(struct sock *);
        !           129: extern void nr_transmit_buffer(struct sock *, struct sk_buff *);
        !           130: extern void nr_establish_data_link(struct sock *);
        !           131: extern void nr_enquiry_response(struct sock *);
        !           132: extern void nr_check_iframes_acked(struct sock *, unsigned short);
        !           133: 
        !           134: /* nr_route.c */
        !           135: extern void nr_rt_device_down(struct device *);
        !           136: extern struct device *nr_dev_first(void);
        !           137: extern struct device *nr_dev_get(ax25_address *);
        !           138: extern int  nr_rt_ioctl(unsigned int, void *);
        !           139: extern void nr_link_failed(ax25_cb *, int);
        !           140: extern int  nr_route_frame(struct sk_buff *, ax25_cb *);
        !           141: extern int  nr_nodes_get_info(char *, char **, off_t, int, int);
        !           142: extern int  nr_neigh_get_info(char *, char **, off_t, int, int);
        !           143: extern void nr_rt_free(void);
        !           144: 
        !           145: /* nr_subr.c */
        !           146: extern void nr_clear_queues(struct sock *);
        !           147: extern void nr_frames_acked(struct sock *, unsigned short);
        !           148: extern void nr_requeue_frames(struct sock *);
        !           149: extern int  nr_validate_nr(struct sock *, unsigned short);
        !           150: extern int  nr_in_rx_window(struct sock *, unsigned short);
        !           151: extern void nr_write_internal(struct sock *, int);
        !           152: extern void nr_transmit_dm(struct sk_buff *, int);
        !           153: 
        !           154: /* nr_timer.c */
        !           155: extern void nr_set_timer(struct sock *);
        !           156: 
        !           157: /* sysctl_net_netrom.c */
        !           158: extern void nr_register_sysctl(void);
        !           159: extern void nr_unregister_sysctl(void);
        !           160: 
        !           161: /* nr_loopback.c */
        !           162: extern void nr_loopback_init(void);
        !           163: extern void nr_loopback_clear(void);
        !           164: extern int nr_loopback_queue(struct sk_buff *);
        !           165: 
        !           166: #endif

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