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Diffstat (limited to 'sys/netns/spp_var.h')
| -rw-r--r-- | sys/netns/spp_var.h | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/sys/netns/spp_var.h b/sys/netns/spp_var.h deleted file mode 100644 index a343e7f..0000000 --- a/sys/netns/spp_var.h +++ /dev/null @@ -1,221 +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. - * 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. - * - * @(#)spp_var.h 8.1 (Berkeley) 6/10/93 - * $Id: spp_var.h,v 1.4 1995/07/29 11:42:01 bde Exp $ - */ - -#ifndef _NETNS_SPP_VAR_H_ -#define _NETNS_SPP_VAR_H_ - -/* - * Sp control block, one per connection - */ -struct sppcb { - struct spidp_q s_q; /* queue for out-of-order receipt */ - struct nspcb *s_nspcb; /* 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 idp *s_idp; - struct sphdr s_shdr; /* prototype header to transmit */ -#define s_cc s_shdr.sp_cc /* connection control (for EM bit) */ -#define s_dt s_shdr.sp_dt /* datastream type */ -#define s_sid s_shdr.sp_sid /* source connection identifier */ -#define s_did s_shdr.sp_did /* destination connection identifier */ -#define s_seq s_shdr.sp_seq /* sequence number */ -#define s_ack s_shdr.sp_ack /* acknowledge number */ -#define s_alo s_shdr.sp_alo /* allocation number */ -#define s_dport s_idp->idp_dna.x_port /* where we are sending */ - struct sphdr 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 spp_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 */ - short s_timer[SPPT_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 spp_output */ - char s_inx; /* exit taken from spp_input */ - u_short s_flags2; /* more flags for testing */ -#define SF_NEWCALL 0x100 /* for new_recvmsg */ -#define SO_NEWCALL 10 /* for new_recvmsg */ -}; - -#define nstosppcb(np) ((struct sppcb *)(np)->nsp_pcb) -#define sotosppcb(so) (nstosppcb(sotonspcb(so))) - -struct sppstat { - long spps_connattempt; /* connections initiated */ - long spps_accepts; /* connections accepted */ - long spps_connects; /* connections established */ - long spps_drops; /* connections dropped */ - long spps_conndrops; /* embryonic connections dropped */ - long spps_closed; /* conn. closed (includes drops) */ - long spps_segstimed; /* segs where we tried to get rtt */ - long spps_rttupdated; /* times we succeeded */ - long spps_delack; /* delayed acks sent */ - long spps_timeoutdrop; /* conn. dropped in rxmt timeout */ - long spps_rexmttimeo; /* retransmit timeouts */ - long spps_persisttimeo; /* persist timeouts */ - long spps_keeptimeo; /* keepalive timeouts */ - long spps_keepprobe; /* keepalive probes sent */ - long spps_keepdrops; /* connections dropped in keepalive */ - - long spps_sndtotal; /* total packets sent */ - long spps_sndpack; /* data packets sent */ - long spps_sndbyte; /* data bytes sent */ - long spps_sndrexmitpack; /* data packets retransmitted */ - long spps_sndrexmitbyte; /* data bytes retransmitted */ - long spps_sndacks; /* ack-only packets sent */ - long spps_sndprobe; /* window probes sent */ - long spps_sndurg; /* packets sent with URG only */ - long spps_sndwinup; /* window update-only packets sent */ - long spps_sndctrl; /* control (SYN|FIN|RST) packets sent */ - long spps_sndvoid; /* couldn't find requested packet*/ - - long spps_rcvtotal; /* total packets received */ - long spps_rcvpack; /* packets received in sequence */ - long spps_rcvbyte; /* bytes received in sequence */ - long spps_rcvbadsum; /* packets received with ccksum errs */ - long spps_rcvbadoff; /* packets received with bad offset */ - long spps_rcvshort; /* packets received too short */ - long spps_rcvduppack; /* duplicate-only packets received */ - long spps_rcvdupbyte; /* duplicate-only bytes received */ - long spps_rcvpartduppack; /* packets with some duplicate data */ - long spps_rcvpartdupbyte; /* dup. bytes in part-dup. packets */ - long spps_rcvoopack; /* out-of-order packets received */ - long spps_rcvoobyte; /* out-of-order bytes received */ - long spps_rcvpackafterwin; /* packets with data after window */ - long spps_rcvbyteafterwin; /* bytes rcvd after window */ - long spps_rcvafterclose; /* packets rcvd after "close" */ - long spps_rcvwinprobe; /* rcvd window probe packets */ - long spps_rcvdupack; /* rcvd duplicate acks */ - long spps_rcvacktoomuch; /* rcvd acks for unsent data */ - long spps_rcvackpack; /* rcvd ack packets */ - long spps_rcvackbyte; /* bytes acked by rcvd acks */ - long spps_rcvwinupd; /* rcvd window update packets */ -}; -struct spp_istat { - short hdrops; - short badsum; - short badlen; - short slotim; - short fastim; - short nonucn; - short noconn; - short notme; - short wrncon; - short bdreas; - short gonawy; - short notyet; - short lstdup; - struct sppstat newstats; -}; - -#ifdef KERNEL -extern struct spp_istat spp_istat; - -/* Following was struct sppstat sppstat; */ -#ifndef sppstat -#define sppstat spp_istat.newstats -#endif - -extern u_short spp_iss; -extern struct sppcb *spp_close(), *spp_disconnect(), - *spp_usrclosed(), *spp_timers(), *spp_drop(); -#endif - -#define SPP_ISSINCR 128 -/* - * SPP sequence numbers are 16 bit integers operated - * on with modular arithmetic. These macros can be - * used to compare such integers. - */ -#ifdef sun -short xnsCbug; -#define SSEQ_LT(a,b) ((xnsCbug = (short)((a)-(b))) < 0) -#define SSEQ_LEQ(a,b) ((xnsCbug = (short)((a)-(b))) <= 0) -#define SSEQ_GT(a,b) ((xnsCbug = (short)((a)-(b))) > 0) -#define SSEQ_GEQ(a,b) ((xnsCbug = (short)((a)-(b))) >= 0) -#else -#define SSEQ_LT(a,b) (((short)((a)-(b))) < 0) -#define SSEQ_LEQ(a,b) (((short)((a)-(b))) <= 0) -#define SSEQ_GT(a,b) (((short)((a)-(b))) > 0) -#define SSEQ_GEQ(a,b) (((short)((a)-(b))) >= 0) -#endif - -#endif |
