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phoenix |
#ifndef __NET_SPX_H
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#define __NET_SPX_H
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#include <net/ipx.h>
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struct spxhdr
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{ __u8 cctl;
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__u8 dtype;
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#define SPX_DTYPE_ECONN 0xFE /* Finished */
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#define SPX_DTYPE_ECACK 0xFF /* Ok */
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__u16 sconn; /* Connection ID */
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__u16 dconn; /* Connection ID */
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__u16 sequence;
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__u16 ackseq;
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__u16 allocseq;
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};
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struct ipxspxhdr
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{ struct ipxhdr ipx;
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struct spxhdr spx;
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};
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#define SPX_SYS_PKT_LEN (sizeof(struct ipxspxhdr))
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#ifdef __KERNEL__
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struct spx_opt
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{ int state;
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int sndbuf;
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int retries; /* Number of WD retries */
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int retransmits; /* Number of retransmits */
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int max_retries;
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int wd_interval;
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void *owner;
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__u16 dest_connid; /* Net order */
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__u16 source_connid; /* Net order */
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__u16 sequence; /* Host order - our current pkt # */
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__u16 alloc; /* Host order - max seq we can rcv now */
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__u16 rmt_ack; /* Host order - last pkt ACKd by remote */
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__u16 rmt_seq;
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__u16 acknowledge;
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__u16 rmt_alloc; /* Host order - max seq remote can handle now */
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ipx_address dest_addr;
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ipx_address source_addr;
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struct timer_list watchdog; /* Idle watch */
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struct timer_list retransmit; /* Retransmit timer */
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struct sk_buff_head rcv_queue;
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struct sk_buff_head transmit_queue;
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struct sk_buff_head retransmit_queue;
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};
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/* Packet connectino control defines */
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#define CCTL_SPXII_XHD 0x01 /* SPX2 extended header */
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#define CCTL_SPX_UNKNOWN 0x02 /* Unknown (unused ??) */
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#define CCTL_SPXII_NEG 0x04 /* Negotiate size */
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#define CCTL_SPXII 0x08 /* Set for SPX2 */
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#define CCTL_EOM 0x10 /* End of message marker */
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#define CCTL_URG 0x20 /* Urgent marker in SPP (not used in SPX?) */
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#define CCTL_ACK 0x40 /* Send me an ACK */
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#define CCTL_CTL 0x80 /* Control message */
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#define CCTL_SYS CCTL_CTL /* Spec uses CCTL_SYS */
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/* Connection state defines */
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#define SPX_CLOSED 7
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#define SPX_CONNECTING 8
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#define SPX_CONNECTED 9
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/* Packet transmit types - Internal */
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#define DATA 0 /* Data */
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#define ACK 1 /* Data ACK */
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#define WDACK 2 /* WD ACK */
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#define CONACK 3 /* Connection Request ACK */
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#define CONREQ 4 /* Connection Request */
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#define WDREQ 5 /* WD Request */
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#define DISCON 6 /* Informed Disconnect */
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#define DISACK 7 /* Informed Disconnect ACK */
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#define RETRAN 8 /* Int. Retransmit of packet */
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#define TQUEUE 9 /* Int. Transmit of a queued packet */
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/*
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* These are good canidates for IOcontrol calls
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*/
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/* Watchdog defines */
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#define VERIFY_TIMEOUT 3 * HZ
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#define ABORT_TIMEOUT 30 * HZ
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/* Packet retransmit defines */
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#define RETRY_COUNT 10
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#define RETRY_TIME 1 * HZ
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#define MAX_RETRY_DELAY 5 * HZ
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#endif /* __KERNEL__ */
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#endif /* def __NET_SPX_H */
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