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Diffstat (limited to 'sys/netipx/spx.h')
| -rw-r--r-- | sys/netipx/spx.h | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/sys/netipx/spx.h b/sys/netipx/spx.h deleted file mode 100644 index d356bff..0000000 --- a/sys/netipx/spx.h +++ /dev/null @@ -1,210 +0,0 @@ -/*- - * Copyright (c) 1984, 1985, 1986, 1987, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * Copyright (c) 1995, Mike Mitchell - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)spx.h - * - * $FreeBSD$ - */ - -#ifndef _NETIPX_SPX_H_ -#define _NETIPX_SPX_H_ - -/* - * Definitions for IPX style Sequenced Packet Protocol - */ - -struct spxhdr { - u_char spx_cc; /* connection control */ - u_char spx_dt; /* datastream type */ -#define SPX_SP 0x80 /* system packet */ -#define SPX_SA 0x40 /* send acknowledgement */ -#define SPX_OB 0x20 /* attention (out of band data) */ -#define SPX_EM 0x10 /* end of message */ - u_short spx_sid; /* source connection identifier */ - u_short spx_did; /* destination connection identifier */ - u_short spx_seq; /* sequence number */ - u_short spx_ack; /* acknowledge number */ - u_short spx_alo; /* allocation number */ -} __packed; - -/* - * Definitions for NS(tm) Internet Datagram Protocol - * containing a Sequenced Packet Protocol packet. - */ -struct spx { - struct ipx si_i; - struct spxhdr si_s; -} __packed; -struct spx_q { - struct mbuf *sq_msi; - struct spx *sq_si; - LIST_ENTRY(spx_q) sq_entry; -}; -#define SI(x) ((struct spx *)x) -#define si_sum si_i.ipx_sum -#define si_len si_i.ipx_len -#define si_tc si_i.ipx_tc -#define si_pt si_i.ipx_pt -#define si_dna si_i.ipx_dna -#define si_sna si_i.ipx_sna -#define si_sport si_i.ipx_sna.x_port -#define si_cc si_s.spx_cc -#define si_dt si_s.spx_dt -#define si_sid si_s.spx_sid -#define si_did si_s.spx_did -#define si_seq si_s.spx_seq -#define si_ack si_s.spx_ack -#define si_alo si_s.spx_alo - -/* - * SPX control block, one per connection - */ -struct spxpcb { - LIST_HEAD(, spx_q) s_q; /* queue for out-of-order receipt */ - struct ipxpcb *s_ipxpcb; /* backpointer to internet pcb */ - u_char s_state; - u_char s_flags; -#define SF_ACKNOW 0x01 /* Ack peer immediately */ -#define SF_DELACK 0x02 /* Ack, but try to delay it */ -#define SF_HI 0x04 /* Show headers on input */ -#define SF_HO 0x08 /* Show headers on output */ -#define SF_PI 0x10 /* Packet (datagram) interface */ -#define SF_WIN 0x20 /* Window info changed */ -#define SF_RXT 0x40 /* Rxt info changed */ -#define SF_RVD 0x80 /* Calling from read usrreq routine */ - u_short s_mtu; /* Max packet size for this stream */ -/* use sequence fields in headers to store sequence numbers for this - connection */ - struct ipx s_ipx; - struct spxhdr s_shdr; /* prototype header to transmit */ -#define s_cc s_shdr.spx_cc /* connection control (for EM bit) */ -#define s_dt s_shdr.spx_dt /* datastream type */ -#define s_sid s_shdr.spx_sid /* source connection identifier */ -#define s_did s_shdr.spx_did /* destination connection identifier */ -#define s_seq s_shdr.spx_seq /* sequence number */ -#define s_ack s_shdr.spx_ack /* acknowledge number */ -#define s_alo s_shdr.spx_alo /* allocation number */ -#define s_dport s_ipx.ipx_dna.x_port /* where we are sending */ - struct spxhdr s_rhdr; /* last received header (in effect!)*/ - u_short s_rack; /* their acknowledge number */ - u_short s_ralo; /* their allocation number */ - u_short s_smax; /* highest packet # we have sent */ - u_short s_snxt; /* which packet to send next */ - -/* congestion control */ -#define CUNIT 1024 /* scaling for ... */ - int s_cwnd; /* Congestion-controlled window */ - /* in packets * CUNIT */ - short s_swnd; /* == tcp snd_wnd, in packets */ - short s_smxw; /* == tcp max_sndwnd */ - /* difference of two spx_seq's can be - no bigger than a short */ - u_short s_swl1; /* == tcp snd_wl1 */ - u_short s_swl2; /* == tcp snd_wl2 */ - int s_cwmx; /* max allowable cwnd */ - int s_ssthresh; /* s_cwnd size threshold for - * slow start exponential-to- - * linear switch */ -/* transmit timing stuff - * srtt and rttvar are stored as fixed point, for convenience in smoothing. - * srtt has 3 bits to the right of the binary point, rttvar has 2. - */ - short s_idle; /* time idle */ -#define SPXT_NTIMERS 4 - short s_timer[SPXT_NTIMERS]; /* timers */ - short s_rxtshift; /* log(2) of rexmt exp. backoff */ - short s_rxtcur; /* current retransmit value */ - u_short s_rtseq; /* packet being timed */ - short s_rtt; /* timer for round trips */ - short s_srtt; /* averaged timer */ - short s_rttvar; /* variance in round trip time */ - char s_force; /* which timer expired */ - char s_dupacks; /* counter to intuit xmt loss */ - -/* out of band data */ - char s_oobflags; -#define SF_SOOB 0x08 /* sending out of band data */ -#define SF_IOOB 0x10 /* receiving out of band data */ - char s_iobc; /* input characters */ -/* debug stuff */ - u_short s_want; /* Last candidate for sending */ - char s_outx; /* exit taken from spx_output */ - char s_inx; /* exit taken from spx_input */ - u_short s_flags2; /* more flags for testing */ -#define SF_NEWCALL 0x100 /* for new_recvmsg */ -#define SO_NEWCALL 10 /* for new_recvmsg */ -}; - -#define ipxtospxpcb(np) ((struct spxpcb *)(np)->ipxp_pcb) -#define sotospxpcb(so) (ipxtospxpcb(sotoipxpcb(so))) - -#ifdef _KERNEL - -extern struct pr_usrreqs spx_usrreqs; -extern struct pr_usrreqs spx_usrreq_sps; - -void spx_ctlinput(int cmd, struct sockaddr *arg_as_sa, void *dummy); -int spx_ctloutput(struct socket *so, struct sockopt *sopt); -void spx_fasttimo(void); -void spx_init(void); -void spx_input(struct mbuf *m, struct ipxpcb *ipxp); -void spx_slowtimo(void); - -#endif /* _KERNEL */ - -#endif /* !_NETIPX_SPX_H_ */ |
