sys/netinet/tcp_var.h

82 	uint64_t	_pad[1];	/* TBD */
221 		uint64_t server;
507 	uint64_t tcps_connattempt;	/* connections initiated */
508 	uint64_t tcps_accepts;		/* connections accepted */
509 	uint64_t tcps_connects;		/* connections established */
510 	uint64_t tcps_drops;		/* connections dropped */
511 	uint64_t tcps_conndrops;	/* embryonic connections dropped */
512 	uint64_t tcps_minmssdrops;	/* average minmss too low drops */
513 	uint64_t tcps_closed;		/* conn. closed (includes drops) */
514 	uint64_t tcps_segstimed;	/* segs where we tried to get rtt */
515 	uint64_t tcps_rttupdated;	/* times we succeeded */
516 	uint64_t tcps_delack;		/* delayed acks sent */
517 	uint64_t tcps_timeoutdrop;	/* conn. dropped in rxmt timeout */
518 	uint64_t tcps_rexmttimeo;	/* retransmit timeouts */
519 	uint64_t tcps_persisttimeo;	/* persist timeouts */
520 	uint64_t tcps_keeptimeo;	/* keepalive timeouts */
521 	uint64_t tcps_keepprobe;	/* keepalive probes sent */
522 	uint64_t tcps_keepdrops;	/* connections dropped in keepalive */
524 	uint64_t tcps_sndtotal;		/* total packets sent */
525 	uint64_t tcps_sndpack;		/* data packets sent */
526 	uint64_t tcps_sndbyte;		/* data bytes sent */
527 	uint64_t tcps_sndrexmitpack;	/* data packets retransmitted */
528 	uint64_t tcps_sndrexmitbyte;	/* data bytes retransmitted */
529 	uint64_t tcps_sndrexmitbad;	/* unnecessary packet retransmissions */
530 	uint64_t tcps_sndacks;		/* ack-only packets sent */
531 	uint64_t tcps_sndprobe;		/* window probes sent */
532 	uint64_t tcps_sndurg;		/* packets sent with URG only */
533 	uint64_t tcps_sndwinup;		/* window update-only packets sent */
534 	uint64_t tcps_sndctrl;		/* control (SYN|FIN|RST) packets sent */
536 	uint64_t tcps_rcvtotal;		/* total packets received */
537 	uint64_t tcps_rcvpack;		/* packets received in sequence */
538 	uint64_t tcps_rcvbyte;		/* bytes received in sequence */
539 	uint64_t tcps_rcvbadsum;	/* packets received with ccksum errs */
540 	uint64_t tcps_rcvbadoff;	/* packets received with bad offset */
541 	uint64_t tcps_rcvreassfull;	/* packets dropped for no reass space */
542 	uint64_t tcps_rcvshort;		/* packets received too short */
543 	uint64_t tcps_rcvduppack;	/* duplicate-only packets received */
544 	uint64_t tcps_rcvdupbyte;	/* duplicate-only bytes received */
545 	uint64_t tcps_rcvpartduppack;	/* packets with some duplicate data */
546 	uint64_t tcps_rcvpartdupbyte;	/* dup. bytes in part-dup. packets */
547 	uint64_t tcps_rcvoopack;	/* out-of-order packets received */
548 	uint64_t tcps_rcvoobyte;	/* out-of-order bytes received */
549 	uint64_t tcps_rcvpackafterwin;	/* packets with data after window */
550 	uint64_t tcps_rcvbyteafterwin;	/* bytes rcvd after window */
551 	uint64_t tcps_rcvafterclose;	/* packets rcvd after "close" */
552 	uint64_t tcps_rcvwinprobe;	/* rcvd window probe packets */
553 	uint64_t tcps_rcvdupack;	/* rcvd duplicate acks */
554 	uint64_t tcps_rcvacktoomuch;	/* rcvd acks for unsent data */
555 	uint64_t tcps_rcvackpack;	/* rcvd ack packets */
556 	uint64_t tcps_rcvackbyte;	/* bytes acked by rcvd acks */
557 	uint64_t tcps_rcvwinupd;	/* rcvd window update packets */
558 	uint64_t tcps_pawsdrop;		/* segments dropped due to PAWS */
559 	uint64_t tcps_predack;		/* times hdr predict ok for acks */
560 	uint64_t tcps_preddat;		/* times hdr predict ok for data pkts */
561 	uint64_t tcps_pcbcachemiss;
562 	uint64_t tcps_cachedrtt;	/* times cached RTT in route updated */
563 	uint64_t tcps_cachedrttvar;	/* times cached rttvar updated */
564 	uint64_t tcps_cachedssthresh;	/* times cached ssthresh updated */
565 	uint64_t tcps_usedrtt;		/* times RTT initialized from route */
566 	uint64_t tcps_usedrttvar;	/* times RTTVAR initialized from rt */
567 	uint64_t tcps_usedssthresh;	/* times ssthresh initialized from rt*/
568 	uint64_t tcps_persistdrop;	/* timeout in persist state */
569 	uint64_t tcps_badsyn;		/* bogus SYN, e.g. premature ACK */
570 	uint64_t tcps_mturesent;	/* resends due to MTU discovery */
571 	uint64_t tcps_listendrop;	/* listen queue overflows */
572 	uint64_t tcps_badrst;		/* ignored RSTs in the window */
574 	uint64_t tcps_sc_added;		/* entry added to syncache */
575 	uint64_t tcps_sc_retransmitted;	/* syncache entry was retransmitted */
576 	uint64_t tcps_sc_dupsyn;	/* duplicate SYN packet */
577 	uint64_t tcps_sc_dropped;	/* could not reply to packet */
578 	uint64_t tcps_sc_completed;	/* successful extraction of entry */
579 	uint64_t tcps_sc_bucketoverflow;/* syncache per-bucket limit hit */
580 	uint64_t tcps_sc_cacheoverflow;	/* syncache cache limit hit */
581 	uint64_t tcps_sc_reset;		/* RST removed entry from syncache */
582 	uint64_t tcps_sc_stale;		/* timed out or listen socket gone */
583 	uint64_t tcps_sc_aborted;	/* syncache entry aborted */
584 	uint64_t tcps_sc_badack;	/* removed due to bad ACK */
585 	uint64_t tcps_sc_unreach;	/* ICMP unreachable received */
586 	uint64_t tcps_sc_zonefail;	/* zalloc() failed */
587 	uint64_t tcps_sc_sendcookie;	/* SYN cookie sent */
588 	uint64_t tcps_sc_recvcookie;	/* SYN cookie received */
590 	uint64_t tcps_hc_added;		/* entry added to hostcache */
591 	uint64_t tcps_hc_bucketoverflow;/* hostcache per bucket limit hit */
593 	uint64_t tcps_finwait2_drops;    /* Drop FIN_WAIT_2 connection after time limit */
596 	uint64_t tcps_sack_recovery_episode; /* SACK recovery episodes */
597 	uint64_t tcps_sack_rexmits;	    /* SACK rexmit segments   */
598 	uint64_t tcps_sack_rexmit_bytes;    /* SACK rexmit bytes      */
599 	uint64_t tcps_sack_rcv_blocks;	    /* SACK blocks (options) received */
600 	uint64_t tcps_sack_send_blocks;	    /* SACK blocks (options) sent     */
601 	uint64_t tcps_sack_sboverflow;	    /* times scoreboard overflowed */
604 	uint64_t tcps_ecn_ce;		/* ECN Congestion Experienced */
605 	uint64_t tcps_ecn_ect0;		/* ECN Capable Transport */
606 	uint64_t tcps_ecn_ect1;		/* ECN Capable Transport */
607 	uint64_t tcps_ecn_shs;		/* ECN successful handshakes */
608 	uint64_t tcps_ecn_rcwnd;	/* # times ECN reduced the cwnd */
611 	uint64_t tcps_sig_rcvgoodsig;	/* Total matching signature received */
612 	uint64_t tcps_sig_rcvbadsig;	/* Total bad signature received */
613 	uint64_t tcps_sig_err_buildsig;	/* Failed to make signature */
614 	uint64_t tcps_sig_err_sigopt;	/* No signature expected by socket */
615 	uint64_t tcps_sig_err_nosigopt;	/* No signature provided by segment */
618 	uint64_t tcps_pmtud_blackhole_activated;	 /* Black Hole Count */
619 	uint64_t tcps_pmtud_blackhole_activated_min_mss; /* BH at min MSS Count */
620 	uint64_t tcps_pmtud_blackhole_failed;		 /* Black Hole Failure Count */
622 	uint64_t _pad[12];		/* 6 UTO, 6 TBD */
646     kmod_tcpstat_inc(offsetof(struct tcpstat, name) / sizeof(uint64_t))