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/*

 *  $Id: rtems_showtcpstat.c,v 1.2 2001-09-27 12:02:00 chris Exp $

 */

#include <sys/param.h>

#include <sys/queue.h>

#include <sys/systm.h>

#include <sys/kernel.h>

#include <sys/sysctl.h>

#include <sys/proc.h>

#include <sys/mbuf.h>

#include <sys/socket.h>

#include <net/if.h>

#include <netinet/in.h>

#include <netinet/in_systm.h>

#include <netinet/ip.h>

#include <netinet/ip_var.h>

#include <netinet/tcp.h>

#include <netinet/tcp_timer.h>

#include <netinet/tcp_seq.h>

#include <netinet/tcp_var.h>

/*

 * Display TCP statistics

 * Don't lock the rest of the network tasks out while printing.

 * It's no big deal if the values change while being printed.

 */

static void

showtcpstat (const char *name, unsigned long n)

{

        if (n)

                printf ("%35s%12lu\n", name, n);

}

void

rtems_bsdnet_show_tcp_stats (void)

{

        printf ("************ TCP Statistics ************\n");

        showtcpstat ("connections initiated", tcpstat.tcps_connattempt);

        showtcpstat ("connections accepted", tcpstat.tcps_accepts);

        showtcpstat ("connections established", tcpstat.tcps_connects);

        showtcpstat ("connections dropped", tcpstat.tcps_drops);

        showtcpstat ("embryonic connections dropped", tcpstat.tcps_conndrops);

        showtcpstat ("conn. closed (includes drops)", tcpstat.tcps_closed);

        showtcpstat ("segs where we tried to get rtt", tcpstat.tcps_segstimed);

        showtcpstat ("times we succeeded", tcpstat.tcps_rttupdated);

        showtcpstat ("delayed acks sent", tcpstat.tcps_delack);

        showtcpstat ("conn. dropped in rxmt timeout", tcpstat.tcps_timeoutdrop);

        showtcpstat ("retransmit timeouts", tcpstat.tcps_rexmttimeo);

        showtcpstat ("persist timeouts", tcpstat.tcps_persisttimeo);

        showtcpstat ("keepalive timeouts", tcpstat.tcps_keeptimeo);

        showtcpstat ("keepalive probes sent", tcpstat.tcps_keepprobe);

        showtcpstat ("connections dropped in keepalive", tcpstat.tcps_keepdrops);

        showtcpstat ("total packets sent", tcpstat.tcps_sndtotal);

        showtcpstat ("data packets sent", tcpstat.tcps_sndpack);

        showtcpstat ("data bytes sent", tcpstat.tcps_sndbyte);

        showtcpstat ("data packets retransmitted", tcpstat.tcps_sndrexmitpack);

        showtcpstat ("data bytes retransmitted", tcpstat.tcps_sndrexmitbyte);

        showtcpstat ("ack-only packets sent", tcpstat.tcps_sndacks);

        showtcpstat ("window probes sent", tcpstat.tcps_sndprobe);

        showtcpstat ("packets sent with URG only", tcpstat.tcps_sndurg);

        showtcpstat ("window update-only packets sent", tcpstat.tcps_sndwinup);

        showtcpstat ("control (SYN|FIN|RST) packets sent", tcpstat.tcps_sndctrl);

        showtcpstat ("total packets received", tcpstat.tcps_rcvtotal);

        showtcpstat ("packets received in sequence", tcpstat.tcps_rcvpack);

        showtcpstat ("bytes received in sequence", tcpstat.tcps_rcvbyte);

        showtcpstat ("packets received with ccksum errs", tcpstat.tcps_rcvbadsum);

        showtcpstat ("packets received with bad offset", tcpstat.tcps_rcvbadoff);

        showtcpstat ("packets received too short", tcpstat.tcps_rcvshort);

        showtcpstat ("duplicate-only packets received", tcpstat.tcps_rcvduppack);

        showtcpstat ("duplicate-only bytes received", tcpstat.tcps_rcvdupbyte);

        showtcpstat ("packets with some duplicate data", tcpstat.tcps_rcvpartduppack);

        showtcpstat ("dup. bytes in part-dup. packets", tcpstat.tcps_rcvpartdupbyte);

        showtcpstat ("out-of-order packets received", tcpstat.tcps_rcvoopack);

        showtcpstat ("out-of-order bytes received", tcpstat.tcps_rcvoobyte);

        showtcpstat ("packets with data after window", tcpstat.tcps_rcvpackafterwin);

        showtcpstat ("bytes rcvd after window", tcpstat.tcps_rcvbyteafterwin);

        showtcpstat ("packets rcvd after \"close\"", tcpstat.tcps_rcvafterclose);

        showtcpstat ("rcvd window probe packets", tcpstat.tcps_rcvwinprobe);

        showtcpstat ("rcvd duplicate acks", tcpstat.tcps_rcvdupack);

        showtcpstat ("rcvd acks for unsent data", tcpstat.tcps_rcvacktoomuch);

        showtcpstat ("rcvd ack packets", tcpstat.tcps_rcvackpack);

        showtcpstat ("bytes acked by rcvd acks", tcpstat.tcps_rcvackbyte);

        showtcpstat ("rcvd window update packets", tcpstat.tcps_rcvwinupd);

        showtcpstat ("segments dropped due to PAWS", tcpstat.tcps_pawsdrop);

        showtcpstat ("times hdr predict ok for acks", tcpstat.tcps_predack);

        showtcpstat ("times hdr predict ok for data pkts", tcpstat.tcps_preddat);

        showtcpstat ("pcb cache misses", tcpstat.tcps_pcbcachemiss);

        showtcpstat ("times cached RTT in route updated", tcpstat.tcps_cachedrtt);

        showtcpstat ("times cached rttvar updated", tcpstat.tcps_cachedrttvar);

        showtcpstat ("times cached ssthresh updated", tcpstat.tcps_cachedssthresh);

        showtcpstat ("times RTT initialized from route", tcpstat.tcps_usedrtt);

        showtcpstat ("times RTTVAR initialized from rt", tcpstat.tcps_usedrttvar);

        showtcpstat ("times ssthresh initialized from rt", tcpstat.tcps_usedssthresh);

        showtcpstat ("timeout in persist state", tcpstat.tcps_persistdrop);

        showtcpstat ("bogus SYN, e.g. premature ACK", tcpstat.tcps_badsyn);

        showtcpstat ("resends due to MTU discovery", tcpstat.tcps_mturesent);

        showtcpstat ("listen queue overflows", tcpstat.tcps_listendrop);

        printf ("\n");

}