diff options
Diffstat (limited to 'network_cmds/netstat.tproj/inet.c')
| -rw-r--r-- | network_cmds/netstat.tproj/inet.c | 1361 |
1 files changed, 1361 insertions, 0 deletions
diff --git a/network_cmds/netstat.tproj/inet.c b/network_cmds/netstat.tproj/inet.c new file mode 100644 index 0000000..68e4ddb --- /dev/null +++ b/network_cmds/netstat.tproj/inet.c @@ -0,0 +1,1361 @@ +/* + * Copyright (c) 2008-2020 Apple Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, + * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + ** @APPLE_OSREFERENCE_LICENSE_HEADER_END@ + */ +/* + * Copyright (c) 1983, 1988, 1993, 1995 + * 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. + */ + +#include <sys/param.h> +#include <sys/queue.h> +#include <sys/socket.h> +#include <sys/socketvar.h> +#include <sys/sysctl.h> + +#include <net/route.h> +#include <net/if_arp.h> +#include <net/net_perf.h> +#include <netinet/in.h> +#include <netinet/in_systm.h> +#include <netinet/ip.h> +#ifdef INET6 +#include <netinet/ip6.h> +#endif /* INET6 */ +#include <netinet/in_pcb.h> +#include <netinet/ip_icmp.h> +#include <netinet/icmp_var.h> +#include <netinet/igmp_var.h> +#include <netinet/ip_var.h> +#include <netinet/tcp.h> +#include <netinet/tcpip.h> +#include <netinet/tcp_seq.h> +#define TCPSTATES +#include <netinet/tcp_fsm.h> +#include <netinet/tcp_var.h> +#include <netinet/udp.h> +#include <netinet/udp_var.h> + +#include <arpa/inet.h> +#include <err.h> +#include <errno.h> +#include <netdb.h> +#include <stdio.h> +#include <stdlib.h> +#include <stdint.h> +#include <string.h> +#include <unistd.h> +#include "netstat.h" + +#ifdef __APPLE__ +#include <TargetConditionals.h> +#endif + +#define ROUNDUP64(a) \ + ((a) > 0 ? (1 + (((a) - 1) | (sizeof(uint64_t) - 1))) : sizeof(uint64_t)) +#define ADVANCE64(x, n) (((char *)x) += ROUNDUP64(n)) + +char *inetname (struct in_addr *); +void inetprint (struct in_addr *, int, char *, int); +#ifdef INET6 +extern void inet6print (struct in6_addr *, int, char *, int); +static int udp_done, tcp_done; +extern int mptcp_done; +#endif /* INET6 */ + +#ifdef SRVCACHE +typedef struct __table_private table_t; + +extern table_t *_nc_table_new(uint32_t n); +extern void _nc_table_free(table_t *tin); + +extern void _nc_table_insert(table_t *t, const char *key, void *datum); +extern void *_nc_table_find(table_t *t, const char *key); +extern void _nc_table_delete(table_t *t, const char *key); + +static table_t *_serv_cache = NULL; + +/* + * Read and cache all known services + */ +static void +_serv_cache_open() +{ + struct servent *s; + char *key, *name, *test; + + if (_serv_cache != NULL) return; + + _serv_cache = _nc_table_new(8192); + setservent(0); + + while (NULL != (s = getservent())) + { + if (s->s_name == NULL) continue; + key = NULL; + asprintf(&key, "%hu/%s", (unsigned short)ntohs(s->s_port), s->s_proto); + name = strdup(s->s_name); + test = _nc_table_find(_serv_cache, key); + if (test == NULL) _nc_table_insert(_serv_cache, key, name); + free(key); + } + + endservent(); +} + +void +_serv_cache_close() +{ + _nc_table_free(_serv_cache); + _serv_cache = NULL; +} + +struct servent * +_serv_cache_getservbyport(int port, char *proto) +{ + static struct servent s; + char *key; + unsigned short p; + + _serv_cache_open(); + + memset(&s, 0, sizeof(struct servent)); + asprintf(&key, "%u/%s", port, (proto == NULL) ? "udp" : proto); + + s.s_name = _nc_table_find(_serv_cache, key); + free(key); + if (s.s_name == NULL) return NULL; + + p = port; + s.s_port = htons(p); + s.s_proto = proto; + return &s; +} + +#endif /* SRVCACHE */ + +/* + * Print a summary of connections related to an Internet + * protocol. For TCP, also give state of connection. + * Listening processes (aflag) are suppressed unless the + * -a (all) flag is specified. + */ + +struct xgen_n { + u_int32_t xgn_len; /* length of this structure */ + u_int32_t xgn_kind; /* number of PCBs at this time */ +}; + +#define ALL_XGN_KIND_INP (XSO_SOCKET | XSO_RCVBUF | XSO_SNDBUF | XSO_STATS | XSO_INPCB) +#define ALL_XGN_KIND_TCP (ALL_XGN_KIND_INP | XSO_TCPCB) + +void +protopr(uint32_t proto, /* for sysctl version we pass proto # */ + char *name, int af) +{ + int istcp; + static int first = 1; + char *buf, *next; + const char *mibvar; + struct xinpgen *xig, *oxig; + struct xgen_n *xgn; + size_t len; + struct xtcpcb_n *tp = NULL; + struct xinpcb_n *inp = NULL; + struct xsocket_n *so = NULL; + struct xsockbuf_n *so_rcv = NULL; + struct xsockbuf_n *so_snd = NULL; + struct xsockstat_n *so_stat = NULL; + int which = 0; + + istcp = 0; + switch (proto) { + case IPPROTO_TCP: +#ifdef INET6 + if (tcp_done != 0) + return; + else + tcp_done = 1; +#endif + istcp = 1; + mibvar = "net.inet.tcp.pcblist_n"; + break; + case IPPROTO_UDP: +#ifdef INET6 + if (udp_done != 0) + return; + else + udp_done = 1; +#endif + mibvar = "net.inet.udp.pcblist_n"; + break; + case IPPROTO_DIVERT: + mibvar = "net.inet.divert.pcblist_n"; + break; + default: + mibvar = "net.inet.raw.pcblist_n"; + break; + } + len = 0; + if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) { + if (errno != ENOENT) + warn("sysctl: %s", mibvar); + return; + } + if ((buf = malloc(len)) == 0) { + warn("malloc %lu bytes", (u_long)len); + return; + } + if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) { + warn("sysctl: %s", mibvar); + free(buf); + return; + } + + /* + * Bail-out to avoid logic error in the loop below when + * there is in fact no more control block to process + */ + if (len <= sizeof(struct xinpgen)) { + free(buf); + return; + } + + oxig = xig = (struct xinpgen *)buf; + for (next = buf + ROUNDUP64(xig->xig_len); next < buf + len; next += ROUNDUP64(xgn->xgn_len)) { + + xgn = (struct xgen_n*)next; + if (xgn->xgn_len <= sizeof(struct xinpgen)) + break; + + if ((which & xgn->xgn_kind) == 0) { + which |= xgn->xgn_kind; + switch (xgn->xgn_kind) { + case XSO_SOCKET: + so = (struct xsocket_n *)xgn; + break; + case XSO_RCVBUF: + so_rcv = (struct xsockbuf_n *)xgn; + break; + case XSO_SNDBUF: + so_snd = (struct xsockbuf_n *)xgn; + break; + case XSO_STATS: + so_stat = (struct xsockstat_n *)xgn; + break; + case XSO_INPCB: + inp = (struct xinpcb_n *)xgn; + break; + case XSO_TCPCB: + tp = (struct xtcpcb_n *)xgn; + break; + default: + printf("unexpected kind %d\n", xgn->xgn_kind); + break; + } + } else { + if (vflag) + printf("got %d twice\n", xgn->xgn_kind); + } + + if ((istcp && which != ALL_XGN_KIND_TCP) || (!istcp && which != ALL_XGN_KIND_INP)) + continue; + which = 0; + + /* Ignore sockets for protocols other than the desired one. */ + if (so->xso_protocol != (int)proto) + continue; + + /* Ignore PCBs which were freed during copyout. */ + if (inp->inp_gencnt > oxig->xig_gen) + continue; + + if ((af == AF_INET && (inp->inp_vflag & INP_IPV4) == 0) +#ifdef INET6 + || (af == AF_INET6 && (inp->inp_vflag & INP_IPV6) == 0) +#endif /* INET6 */ + || (af == AF_UNSPEC && ((inp->inp_vflag & INP_IPV4) == 0 +#ifdef INET6 + && (inp->inp_vflag & + INP_IPV6) == 0 +#endif /* INET6 */ + )) + ) + continue; + + /* + * Local address is not an indication of listening socket or + * server sockey but just rather the socket has been bound. + * That why many UDP sockets were not displayed in the original code. + */ + if (!aflag && istcp && tp->t_state <= TCPS_LISTEN) + continue; + + if (Lflag && !so->so_qlimit) + continue; + + if (first) { + if (!Lflag) { + printf("Active Internet connections"); + if (aflag) + printf(" (including servers)"); + } else + printf( + "Current listen queue sizes (qlen/incqlen/maxqlen)"); + putchar('\n'); + if (Aflag) { + printf("%-16.16s ", "Socket"); + printf("%-9.9s", "Flowhash"); + } + if (Lflag) + printf("%-14.14s %-22.22s\n", + "Listen", "Local Address"); + else { + printf((Aflag && !Wflag) ? + "%-5.5s %-6.6s %-6.6s %-18.18s %-18.18s %-11.11s" : + "%-5.5s %-6.6s %-6.6s %-22.22s %-22.22s %-11.11s", + "Proto", "Recv-Q", "Send-Q", + "Local Address", "Foreign Address", + "(state)"); + if (bflag > 0) + printf(" %10.10s %10.10s", "rxbytes", "txbytes"); + if (prioflag >= 0) + printf(" %7.7s[%1d] %7.7s[%1d]", "rxbytes", prioflag, "txbytes", prioflag); + if (vflag > 0) + printf(" %6.6s %6.6s %6.6s %6.6s %6s %10s", + "rhiwat", "shiwat", "pid", "epid", "state", "options"); + printf("\n"); + } + first = 0; + } + if (Aflag) { + if (istcp) + printf("%16lx ", (u_long)inp->inp_ppcb); + else + printf("%16lx ", (u_long)so->so_pcb); + printf("%8x ", inp->inp_flowhash); + } + if (Lflag) { + char buf[15]; + + snprintf(buf, 15, "%d/%d/%d", so->so_qlen, + so->so_incqlen, so->so_qlimit); + printf("%-14.14s ", buf); + } + else { + const char *vchar; + +#ifdef INET6 + if ((inp->inp_vflag & INP_IPV6) != 0) + vchar = ((inp->inp_vflag & INP_IPV4) != 0) + ? "46" : "6 "; + else +#endif + vchar = ((inp->inp_vflag & INP_IPV4) != 0) + ? "4 " : " "; + + printf("%-3.3s%-2.2s %6u %6u ", name, vchar, + so_rcv->sb_cc, + so_snd->sb_cc); + } + if (nflag) { + if (inp->inp_vflag & INP_IPV4) { + inetprint(&inp->inp_laddr, (int)inp->inp_lport, + name, 1); + if (!Lflag) + inetprint(&inp->inp_faddr, + (int)inp->inp_fport, name, 1); + } +#ifdef INET6 + else if (inp->inp_vflag & INP_IPV6) { + inet6print(&inp->in6p_laddr, + (int)inp->inp_lport, name, 1); + if (!Lflag) + inet6print(&inp->in6p_faddr, + (int)inp->inp_fport, name, 1); + } /* else nothing printed now */ +#endif /* INET6 */ + } else if (inp->inp_flags & INP_ANONPORT) { + if (inp->inp_vflag & INP_IPV4) { + inetprint(&inp->inp_laddr, (int)inp->inp_lport, + name, 1); + if (!Lflag) + inetprint(&inp->inp_faddr, + (int)inp->inp_fport, name, 0); + } +#ifdef INET6 + else if (inp->inp_vflag & INP_IPV6) { + inet6print(&inp->in6p_laddr, + (int)inp->inp_lport, name, 1); + if (!Lflag) + inet6print(&inp->in6p_faddr, + (int)inp->inp_fport, name, 0); + } /* else nothing printed now */ +#endif /* INET6 */ + } else { + if (inp->inp_vflag & INP_IPV4) { + inetprint(&inp->inp_laddr, (int)inp->inp_lport, + name, 0); + if (!Lflag) + inetprint(&inp->inp_faddr, + (int)inp->inp_fport, name, + inp->inp_lport != + inp->inp_fport); + } +#ifdef INET6 + else if (inp->inp_vflag & INP_IPV6) { + inet6print(&inp->in6p_laddr, + (int)inp->inp_lport, name, 0); + if (!Lflag) + inet6print(&inp->in6p_faddr, + (int)inp->inp_fport, name, + inp->inp_lport != + inp->inp_fport); + } /* else nothing printed now */ +#endif /* INET6 */ + } + if (istcp && !Lflag) { + if (tp->t_state < 0 || tp->t_state >= TCP_NSTATES) + printf("%-11d", tp->t_state); + else { + printf("%-11s", tcpstates[tp->t_state]); + } + } + if (!istcp) + printf("%-11s", " "); + if (bflag > 0) { + int i; + u_int64_t rxbytes = 0; + u_int64_t txbytes = 0; + + for (i = 0; i < SO_TC_STATS_MAX; i++) { + rxbytes += so_stat->xst_tc_stats[i].rxbytes; + txbytes += so_stat->xst_tc_stats[i].txbytes; + } + + printf(" %10llu %10llu", rxbytes, txbytes); + } + if (prioflag >= 0) { + printf(" %10llu %10llu", + prioflag < SO_TC_STATS_MAX ? so_stat->xst_tc_stats[prioflag].rxbytes : 0, + prioflag < SO_TC_STATS_MAX ? so_stat->xst_tc_stats[prioflag].txbytes : 0); + } + if (vflag > 0) { + printf(" %6u %6u %6u %6u 0x%04x 0x%08x", + so_rcv->sb_hiwat, + so_snd->sb_hiwat, + so->so_last_pid, + so->so_e_pid, + so->so_state, + so->so_options); + } + putchar('\n'); + } + if (xig != oxig && xig->xig_gen != oxig->xig_gen) { + if (oxig->xig_count > xig->xig_count) { + printf("Some %s sockets may have been deleted.\n", + name); + } else if (oxig->xig_count < xig->xig_count) { + printf("Some %s sockets may have been created.\n", + name); + } else { + printf("Some %s sockets may have been created or deleted", + name); + } + } + free(buf); +} + +/* + * Dump TCP statistics structure. + */ +void +tcp_stats(uint32_t off , char *name, int af) +{ + static struct tcpstat ptcpstat; + struct tcpstat tcpstat; + size_t len = sizeof tcpstat; + static uint32_t r_swcsum, pr_swcsum; + static uint32_t t_swcsum, pt_swcsum; + + if (sysctlbyname("net.inet.tcp.stats", &tcpstat, &len, 0, 0) < 0) { + warn("sysctl: net.inet.tcp.stats"); + return; + } + +#ifdef INET6 + if (tcp_done != 0 && interval == 0) + return; + else + tcp_done = 1; +#endif + + if (interval && vflag > 0) + print_time(); + printf ("%s:\n", name); + +#define TCPDIFF(f) (tcpstat.f - ptcpstat.f) +#define p(f, m) if (TCPDIFF(f) || sflag <= 1) \ + printf(m, TCPDIFF(f), plural(TCPDIFF(f))) +#define p1a(f, m) if (TCPDIFF(f) || sflag <= 1) \ + printf(m, TCPDIFF(f)) +#define p2(f1, f2, m) if (TCPDIFF(f1) || TCPDIFF(f2) || sflag <= 1) \ + printf(m, TCPDIFF(f1), plural(TCPDIFF(f1)), TCPDIFF(f2), plural(TCPDIFF(f2))) +#define p2a(f1, f2, m) if (TCPDIFF(f1) || TCPDIFF(f2) || sflag <= 1) \ + printf(m, TCPDIFF(f1), plural(TCPDIFF(f1)), TCPDIFF(f2)) +#define p3(f, m) if (TCPDIFF(f) || sflag <= 1) \ + printf(m, TCPDIFF(f), plurales(TCPDIFF(f))) + + p(tcps_sndtotal, "\t%u packet%s sent\n"); + p2(tcps_sndpack,tcps_sndbyte, + "\t\t%u data packet%s (%u byte%s)\n"); + p2(tcps_sndrexmitpack, tcps_sndrexmitbyte, + "\t\t%u data packet%s (%u byte%s) retransmitted\n"); + p(tcps_mturesent, "\t\t%u resend%s initiated by MTU discovery\n"); + p2a(tcps_sndacks, tcps_delack, + "\t\t%u ack-only packet%s (%u delayed)\n"); + p(tcps_sndurg, "\t\t%u URG only packet%s\n"); + p(tcps_sndprobe, "\t\t%u window probe packet%s\n"); + p(tcps_sndwinup, "\t\t%u window update packet%s\n"); + p(tcps_sndctrl, "\t\t%u control packet%s\n"); + p(tcps_fcholdpacket, "\t\t%u data packet%s sent after flow control\n"); + p(tcps_synchallenge, "\t\t%u challenge ACK%s sent due to unexpected SYN\n"); + p(tcps_rstchallenge, "\t\t%u challenge ACK%s sent due to unexpected RST\n"); + t_swcsum = tcpstat.tcps_snd_swcsum + tcpstat.tcps_snd6_swcsum; + if ((t_swcsum - pt_swcsum) || sflag <= 1) + printf("\t\t%u checksummed in software\n", (t_swcsum - pt_swcsum)); + p2(tcps_snd_swcsum, tcps_snd_swcsum_bytes, + "\t\t\t%u segment%s (%u byte%s) over IPv4\n"); +#if INET6 + p2(tcps_snd6_swcsum, tcps_snd6_swcsum_bytes, + "\t\t\t%u segment%s (%u byte%s) over IPv6\n"); +#endif /* INET6 */ + p(tcps_rcvtotal, "\t%u packet%s received\n"); + p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t%u ack%s (for %u byte%s)\n"); + p(tcps_rcvdupack, "\t\t%u duplicate ack%s\n"); + p(tcps_rcvacktoomuch, "\t\t%u ack%s for unsent data\n"); + p2(tcps_rcvpack, tcps_rcvbyte, + "\t\t%u packet%s (%u byte%s) received in-sequence\n"); + p2(tcps_rcvduppack, tcps_rcvdupbyte, + "\t\t%u completely duplicate packet%s (%u byte%s)\n"); + p(tcps_pawsdrop, "\t\t%u old duplicate packet%s\n"); + p(tcps_rcvmemdrop, "\t\t%u received packet%s dropped due to low memory\n"); + p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte, + "\t\t%u packet%s with some dup. data (%u byte%s duped)\n"); + p2(tcps_rcvoopack, tcps_rcvoobyte, + "\t\t%u out-of-order packet%s (%u byte%s)\n"); + p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin, + "\t\t%u packet%s (%u byte%s) of data after window\n"); + p(tcps_rcvwinprobe, "\t\t%u window probe%s\n"); + p(tcps_rcvwinupd, "\t\t%u window update packet%s\n"); + p(tcps_recovered_pkts, "\t\t%u packet%s recovered after loss\n"); + p(tcps_rcvafterclose, "\t\t%u packet%s received after close\n"); + p(tcps_badrst, "\t\t%u bad reset%s\n"); + p(tcps_rcvbadsum, "\t\t%u discarded for bad checksum%s\n"); + r_swcsum = tcpstat.tcps_rcv_swcsum + tcpstat.tcps_rcv6_swcsum; + if ((r_swcsum - pr_swcsum) || sflag <= 1) + printf("\t\t%u checksummed in software\n", + (r_swcsum - pr_swcsum)); + p2(tcps_rcv_swcsum, tcps_rcv_swcsum_bytes, + "\t\t\t%u segment%s (%u byte%s) over IPv4\n"); +#if INET6 + p2(tcps_rcv6_swcsum, tcps_rcv6_swcsum_bytes, + "\t\t\t%u segment%s (%u byte%s) over IPv6\n"); +#endif /* INET6 */ + p(tcps_rcvbadoff, "\t\t%u discarded for bad header offset field%s\n"); + p1a(tcps_rcvshort, "\t\t%u discarded because packet too short\n"); + p(tcps_connattempt, "\t%u connection request%s\n"); + p(tcps_accepts, "\t%u connection accept%s\n"); + p(tcps_badsyn, "\t%u bad connection attempt%s\n"); + p(tcps_listendrop, "\t%u listen queue overflow%s\n"); + p(tcps_connects, "\t%u connection%s established (including accepts)\n"); + p2(tcps_closed, tcps_drops, + "\t%u connection%s closed (including %u drop%s)\n"); + p(tcps_cachedrtt, "\t\t%u connection%s updated cached RTT on close\n"); + p(tcps_cachedrttvar, + "\t\t%u connection%s updated cached RTT variance on close\n"); + p(tcps_cachedssthresh, + "\t\t%u connection%s updated cached ssthresh on close\n"); + p(tcps_usedrtt, "\t\t%u connection%s initialized RTT from route cache\n"); + p(tcps_usedrttvar, + "\t\t%u connection%s initialized RTT variance from route cache\n"); + p(tcps_usedssthresh, + "\t\t%u connection%s initialized ssthresh from route cache\n"); + p(tcps_conndrops, "\t%u embryonic connection%s dropped\n"); + p2(tcps_rttupdated, tcps_segstimed, + "\t%u segment%s updated rtt (of %u attempt%s)\n"); + p(tcps_rexmttimeo, "\t%u retransmit timeout%s\n"); + p(tcps_timeoutdrop, "\t\t%u connection%s dropped by rexmit timeout\n"); + p(tcps_rxtfindrop, "\t\t%u connection%s dropped after retransmitting FIN\n"); + p(tcps_sndrexmitbad, "\t\t%u unnecessary packet retransmissions%s\n"); + p(tcps_persisttimeo, "\t%u persist timeout%s\n"); + p(tcps_persistdrop, "\t\t%u connection%s dropped by persist timeout\n"); + p(tcps_keeptimeo, "\t%u keepalive timeout%s\n"); + p(tcps_keepprobe, "\t\t%u keepalive probe%s sent\n"); + p(tcps_keepdrops, "\t\t%u connection%s dropped by keepalive\n"); + p(tcps_ka_offload_drops, "\t\t%u connection%s dropped by keepalive offload\n"); + p(tcps_predack, "\t%u correct ACK header prediction%s\n"); + p(tcps_preddat, "\t%u correct data packet header prediction%s\n"); +#ifdef TCP_MAX_SACK + /* TCP_MAX_SACK indicates the header has the SACK structures */ + p(tcps_sack_recovery_episode, "\t%u SACK recovery episode%s\n"); + p(tcps_sack_rexmits, + "\t%u segment rexmit%s in SACK recovery episodes\n"); + p(tcps_sack_rexmit_bytes, + "\t%u byte rexmit%s in SACK recovery episodes\n"); + p(tcps_sack_rcv_blocks, + "\t%u SACK option%s (SACK blocks) received\n"); + p(tcps_sack_send_blocks, "\t%u SACK option%s (SACK blocks) sent\n"); + p1a(tcps_sack_sboverflow, "\t%u SACK scoreboard overflow\n"); +#endif /* TCP_MAX_SACK */ + p(tcps_limited_txt, "\t%u limited transmit%s done\n"); + p(tcps_early_rexmt, "\t%u early retransmit%s done\n"); + p(tcps_sack_ackadv, "\t%u time%s cumulative ack advanced along with SACK\n"); + p(tcps_pto, "\t%u probe timeout%s\n"); + p(tcps_rto_after_pto, "\t\t%u time%s retransmit timeout triggered after probe\n"); + p(tcps_probe_if, "\t\t%u time%s probe packets were sent for an interface\n"); + p(tcps_probe_if_conflict, "\t\t%u time%s couldn't send probe packets for an interface\n"); + p(tcps_tlp_recovery, "\t\t%u time%s fast recovery after tail loss\n"); + p(tcps_tlp_recoverlastpkt, "\t\t%u time%s recovered last packet \n"); + p(tcps_pto_in_recovery, "\t\t%u SACK based rescue retransmit%s\n"); + p(tcps_ecn_client_setup, "\t%u client connection%s attempted to negotiate ECN\n"); + p(tcps_ecn_client_success, "\t\t%u client connection%s successfully negotiated ECN\n"); + p(tcps_ecn_not_supported, "\t\t%u time%s graceful fallback to Non-ECN connection\n"); + p(tcps_ecn_lost_syn, "\t\t%u time%s lost ECN negotiating SYN, followed by retransmission\n"); + p(tcps_ecn_server_setup, "\t\t%u server connection%s attempted to negotiate ECN\n"); + p(tcps_ecn_server_success, "\t\t%u server connection%s successfully negotiated ECN\n"); + p(tcps_ecn_lost_synack, "\t\t%u time%s lost ECN negotiating SYN-ACK, followed by retransmission\n"); + p(tcps_ecn_recv_ce, "\t\t%u time%s received congestion experienced (CE) notification\n"); + p(tcps_ecn_recv_ece, "\t\t%u time%s CWR was sent in response to ECE\n"); + p(tcps_ecn_sent_ece, "\t\t%u time%s sent ECE notification\n"); + p(tcps_ecn_conn_recv_ce, "\t\t%u connection%s received CE atleast once\n"); + p(tcps_ecn_conn_recv_ece, "\t\t%u connection%s received ECE atleast once\n"); + p(tcps_ecn_conn_plnoce, "\t\t%u connection%s using ECN have seen packet loss but no CE\n"); + p(tcps_ecn_conn_pl_ce, "\t\t%u connection%s using ECN have seen packet loss and CE\n"); + p(tcps_ecn_conn_nopl_ce, "\t\t%u connection%s using ECN received CE but no packet loss\n"); + p(tcps_ecn_fallback_synloss, "\t\t%u connection%s fell back to non-ECN due to SYN-loss\n"); + p(tcps_ecn_fallback_reorder, "\t\t%u connection%s fell back to non-ECN due to reordering\n"); + p(tcps_ecn_fallback_ce, "\t\t%u connection%s fell back to non-ECN due to excessive CE-markings\n"); + p(tcps_ecn_fallback_droprst, "\t\t%u connection%s fell back caused by connection drop due to RST\n"); + p(tcps_ecn_fallback_droprxmt, "\t\t%u connection%s fell back due to drop after multiple retransmits \n"); + p(tcps_ecn_fallback_synrst, "\t\t%u connection%s fell back due to RST after SYN\n"); + + p(tcps_detect_reordering, "\t%u time%s packet reordering was detected on a connection\n"); + p(tcps_reordered_pkts, "\t\t%u time%s transmitted packets were reordered\n"); + p(tcps_delay_recovery, "\t\t%u time%s fast recovery was delayed to handle reordering\n"); + p(tcps_avoid_rxmt, "\t\t%u time%s retransmission was avoided by delaying recovery\n"); + p(tcps_unnecessary_rxmt, "\t\t%u retransmission%s not needed \n"); + p(tcps_tailloss_rto, "\t%u retransmission%s due to tail loss\n"); + p(tcps_dsack_sent, "\t%u time%s DSACK option was sent\n"); + p(tcps_dsack_recvd, "\t\t%u time%s DSACK option was received\n"); + p(tcps_dsack_disable, "\t\t%u time%s DSACK was disabled on a connection\n"); + p(tcps_dsack_badrexmt, "\t\t%u time%s recovered from bad retransmission using DSACK\n"); + p(tcps_dsack_ackloss,"\t\t%u time%s ignored DSACK due to ack loss\n"); + p(tcps_dsack_recvd_old,"\t\t%u time%s ignored old DSACK options\n"); + p(tcps_pmtudbh_reverted, "\t%u time%s PMTU Blackhole detection, size reverted\n"); + p(tcps_drop_after_sleep, "\t%u connection%s were dropped after long sleep\n"); + p(tcps_nostretchack, "\t%u connection%s had stretch ack algorithm disabled\n"); + + p(tcps_tfo_cookie_sent,"\t%u time%s a TFO-cookie has been announced\n"); + p(tcps_tfo_syn_data_rcv,"\t%u SYN%s with data and a valid TFO-cookie have been received\n"); + p(tcps_tfo_cookie_req_rcv,"\t%u SYN%s with TFO-cookie-request received\n"); + p(tcps_tfo_cookie_invalid,"\t%u time%s an invalid TFO-cookie has been received\n"); + p(tcps_tfo_cookie_req,"\t%u time%s we requested a TFO-cookie\n"); + p(tcps_tfo_cookie_rcv,"\t\t%u time%s the peer announced a TFO-cookie\n"); + p(tcps_tfo_syn_data_sent,"\t%u time%s we combined SYN with data and a TFO-cookie\n"); + p(tcps_tfo_syn_data_acked,"\t\t%u time%s our SYN with data has been acknowledged\n"); + p(tcps_tfo_syn_loss,"\t%u time%s a connection-attempt with TFO fell back to regular TCP\n"); + p(tcps_tfo_blackhole,"\t%u time%s a TFO-connection blackhole'd\n"); + p(tcps_tfo_cookie_wrong,"\t%u time%s a TFO-cookie we sent was wrong\n"); + p(tcps_tfo_no_cookie_rcv,"\t%u time%s did not received a TFO-cookie we asked for\n"); + p(tcps_tfo_heuristics_disable,"\t%u time%s TFO got disabled due to heuristicsn\n"); + p(tcps_tfo_sndblackhole,"\t%u time%s TFO got blackholed in the sending direction\n"); + + p(tcps_mss_to_default,"\t%u time%s maximum segment size was changed to default\n"); + p(tcps_mss_to_medium,"\t%u time%s maximum segment size was changed to medium\n"); + p(tcps_mss_to_low,"\t%u time%s maximum segment size was changed to low\n"); + + p(tcps_timer_drift_le_1_ms,"\t%u timer drift%s less or equal to 1 ms\n"); + p(tcps_timer_drift_le_10_ms,"\t%u timer drift%s less or equal to 10 ms\n"); + p(tcps_timer_drift_le_20_ms,"\t%u timer drift%s less or equal to 20 ms\n"); + p(tcps_timer_drift_le_50_ms,"\t%u timer drift%s less or equal to 50 ms\n"); + p(tcps_timer_drift_le_100_ms,"\t%u timer drift%s less or equal to 100 ms\n"); + p(tcps_timer_drift_le_200_ms,"\t%u timer drift%s less or equal to 200 ms\n"); + p(tcps_timer_drift_le_500_ms,"\t%u timer drift%s less or equal to 500 ms\n"); + p(tcps_timer_drift_le_1000_ms,"\t%u timer drift%s less or equal to 1000 ms\n"); + p(tcps_timer_drift_gt_1000_ms,"\t%u timer drift%s greater than to 1000 ms\n"); + + if (interval > 0) { + bcopy(&tcpstat, &ptcpstat, len); + pr_swcsum = r_swcsum; + pt_swcsum = t_swcsum; + } + +#undef TCPDIFF +#undef p +#undef p1a +#undef p2 +#undef p2a +#undef p3 +} + +/* + * Dump MPTCP statistics + */ +void +mptcp_stats(uint32_t off , char *name, int af) +{ + static struct tcpstat ptcpstat; + struct tcpstat tcpstat; + size_t len = sizeof tcpstat; + + if (sysctlbyname("net.inet.tcp.stats", &tcpstat, &len, 0, 0) < 0) { + warn("sysctl: net.inet.tcp.stats"); + return; + } + +#ifdef INET6 + if (mptcp_done != 0 && interval == 0) + return; + else + mptcp_done = 1; +#endif + + if (interval && vflag > 0) + print_time(); + printf ("%s:\n", name); + +#define MPTCPDIFF(f) (tcpstat.f - ptcpstat.f) +#define p(f, m) if (MPTCPDIFF(f) || sflag <= 1) \ + printf(m, MPTCPDIFF(f), plural(MPTCPDIFF(f))) +#define p1a(f, m) if (MPTCPDIFF(f) || sflag <= 1) \ + printf(m, MPTCPDIFF(f)) +#define p2(f1, f2, m) if (MPTCPDIFF(f1) || MPTCPDIFF(f2) || sflag <= 1) \ + printf(m, MPTCPDIFF(f1), plural(MPTCPDIFF(f1)), \ + MPTCPDIFF(f2), plural(MPTCPDIFF(f2))) +#define p2a(f1, f2, m) if (MPTCPDIFF(f1) || MPTCPDIFF(f2) || sflag <= 1) \ + printf(m, MPTCPDIFF(f1), plural(MPTCPDIFF(f1)), MPTCPDIFF(f2)) +#define p3(f, m) if (MPTCPDIFF(f) || sflag <= 1) \ + printf(m, MPTCPDIFF(f), plurales(MPTCPDIFF(f))) + + p(tcps_mp_sndpacks, "\t%u data packet%s sent\n"); + p(tcps_mp_sndbytes, "\t%u data byte%s sent\n"); + p(tcps_mp_rcvtotal, "\t%u data packet%s received\n"); + p(tcps_mp_rcvbytes, "\t%u data byte%s received\n"); + p(tcps_invalid_mpcap, "\t%u packet%s with an invalid MPCAP option\n"); + p(tcps_invalid_joins, "\t%u packet%s with an invalid MPJOIN option\n"); + p(tcps_mpcap_fallback, "\t%u time%s primary subflow fell back to " + "TCP\n"); + p(tcps_join_fallback, "\t%u time%s secondary subflow fell back to " + "TCP\n"); + p(tcps_estab_fallback, "\t%u DSS option drop%s\n"); + p(tcps_invalid_opt, "\t%u other invalid MPTCP option%s\n"); + p(tcps_mp_reducedwin, "\t%u time%s the MPTCP subflow window was reduced\n"); + p(tcps_mp_badcsum, "\t%u bad DSS checksum%s\n"); + p(tcps_mp_oodata, "\t%u time%s received out of order data \n"); + p3(tcps_mp_switches, "\t%u subflow switch%s\n"); + p3(tcps_mp_sel_symtomsd, "\t%u subflow switch%s due to advisory\n"); + p3(tcps_mp_sel_rtt, "\t%u subflow switch%s due to rtt\n"); + p3(tcps_mp_sel_rto, "\t%u subflow switch%s due to rto\n"); + p3(tcps_mp_sel_peer, "\t%u subflow switch%s due to peer\n"); + p3(tcps_mp_num_probes, "\t%u number of subflow probe%s\n"); + + if (interval > 0) { + bcopy(&tcpstat, &ptcpstat, len); + } + +#undef MPTCPDIFF +#undef p +#undef p1a +#undef p2 +#undef p2a +#undef p3 +} + +/* + * Dump UDP statistics structure. + */ +void +udp_stats(uint32_t off , char *name, int af ) +{ + static struct udpstat pudpstat; + struct udpstat udpstat; + size_t len = sizeof udpstat; + uint32_t delivered; + static uint32_t r_swcsum, pr_swcsum; + static uint32_t t_swcsum, pt_swcsum; + + if (sysctlbyname("net.inet.udp.stats", &udpstat, &len, 0, 0) < 0) { + warn("sysctl: net.inet.udp.stats"); + return; + } + +#ifdef INET6 + if (udp_done != 0 && interval == 0) + return; + else + udp_done = 1; +#endif + + if (interval && vflag > 0) + print_time(); + printf("%s:\n", name); + +#define UDPDIFF(f) (udpstat.f - pudpstat.f) +#define p(f, m) if (UDPDIFF(f) || sflag <= 1) \ + printf(m, UDPDIFF(f), plural(UDPDIFF(f))) +#define p1a(f, m) if (UDPDIFF(f) || sflag <= 1) \ + printf(m, UDPDIFF(f)) +#define p2(f1, f2, m) if (UDPDIFF(f1) || UDPDIFF(f2) || sflag <= 1) \ + printf(m, UDPDIFF(f1), plural(UDPDIFF(f1)), UDPDIFF(f2), plural(UDPDIFF(f2))) + p(udps_ipackets, "\t%u datagram%s received\n"); + p1a(udps_hdrops, "\t\t%u with incomplete header\n"); + p1a(udps_badlen, "\t\t%u with bad data length field\n"); + p1a(udps_badsum, "\t\t%u with bad checksum\n"); + p1a(udps_nosum, "\t\t%u with no checksum\n"); + r_swcsum = udpstat.udps_rcv_swcsum + udpstat.udps_rcv6_swcsum; + if ((r_swcsum - pr_swcsum) || sflag <= 1) + printf("\t\t%u checksummed in software\n", (r_swcsum - pr_swcsum)); + p2(udps_rcv_swcsum, udps_rcv_swcsum_bytes, + "\t\t\t%u datagram%s (%u byte%s) over IPv4\n"); +#if INET6 + p2(udps_rcv6_swcsum, udps_rcv6_swcsum_bytes, + "\t\t\t%u datagram%s (%u byte%s) over IPv6\n"); +#endif /* INET6 */ + p1a(udps_noport, "\t\t%u dropped due to no socket\n"); + p(udps_noportbcast, + "\t\t%u broadcast/multicast datagram%s undelivered\n"); + /* the next statistic is cumulative in udps_noportbcast */ + p(udps_filtermcast, + "\t\t%u time%s multicast source filter matched\n"); + p1a(udps_fullsock, "\t\t%u dropped due to full socket buffers\n"); + p1a(udpps_pcbhashmiss, "\t\t%u not for hashed pcb\n"); + delivered = UDPDIFF(udps_ipackets) - + UDPDIFF(udps_hdrops) - + UDPDIFF(udps_badlen) - + UDPDIFF(udps_badsum) - + UDPDIFF(udps_noport) - + UDPDIFF(udps_noportbcast) - + UDPDIFF(udps_fullsock); + if (delivered || sflag <= 1) + printf("\t\t%u delivered\n", delivered); + p(udps_opackets, "\t%u datagram%s output\n"); + t_swcsum = udpstat.udps_snd_swcsum + udpstat.udps_snd6_swcsum; + if ((t_swcsum - pt_swcsum) || sflag <= 1) + printf("\t\t%u checksummed in software\n", (t_swcsum - pt_swcsum)); + p2(udps_snd_swcsum, udps_snd_swcsum_bytes, + "\t\t\t%u datagram%s (%u byte%s) over IPv4\n"); +#if INET6 + p2(udps_snd6_swcsum, udps_snd6_swcsum_bytes, + "\t\t\t%u datagram%s (%u byte%s) over IPv6\n"); +#endif /* INET6 */ + + if (interval > 0) { + bcopy(&udpstat, &pudpstat, len); + pr_swcsum = r_swcsum; + pt_swcsum = t_swcsum; + } + +#undef UDPDIFF +#undef p +#undef p1a +#undef p2 +} + +/* + * Dump IP statistics structure. + */ +void +ip_stats(uint32_t off , char *name, int af ) +{ + static struct ipstat pipstat; + struct ipstat ipstat; + size_t ipstat_len = sizeof ipstat; + + static net_perf_t pout_net_perf, pin_net_perf; + net_perf_t out_net_perf, in_net_perf; + size_t out_net_perf_len = sizeof (out_net_perf); + size_t in_net_perf_len = sizeof (in_net_perf); + + if (sysctlbyname("net.inet.ip.stats", &ipstat, &ipstat_len, 0, 0) < 0) { + warn("sysctl: net.inet.ip.stats"); + return; + } + + if (sysctlbyname("net.inet.ip.output_perf_data", &out_net_perf, &out_net_perf_len, 0, 0) < 0) { + warn("sysctl: net.inet.ip.output_perf_data"); + bzero(&out_net_perf, out_net_perf_len); + } + + if (sysctlbyname("net.inet.ip.input_perf_data", &in_net_perf, &in_net_perf_len, 0, 0) < 0) { + warn("sysctl: net.inet.ip.input_perf_data"); + bzero(&in_net_perf, in_net_perf_len); + } + + if (interval && vflag > 0) + print_time(); + printf("%s:\n", name); + +#define IPDIFF(f) (ipstat.f - pipstat.f) +#define p(f, m) if (IPDIFF(f) || sflag <= 1) \ + printf(m, IPDIFF(f), plural(IPDIFF(f))) +#define p1a(f, m) if (IPDIFF(f) || sflag <= 1) \ + printf(m, IPDIFF(f)) +#define p2(f1, f2, m) if (IPDIFF(f1) || IPDIFF(f2) || sflag <= 1) \ + printf(m, IPDIFF(f1), plural(IPDIFF(f1)), IPDIFF(f2), plural(IPDIFF(f2))) + + p(ips_total, "\t%u total packet%s received\n"); + p(ips_badsum, "\t\t%u bad header checksum%s\n"); + p2(ips_rcv_swcsum, ips_rcv_swcsum_bytes, + "\t\t%u header%s (%u byte%s) checksummed in software\n"); + p1a(ips_toosmall, "\t\t%u with size smaller than minimum\n"); + p1a(ips_tooshort, "\t\t%u with data size < data length\n"); + p1a(ips_adj, "\t\t%u with data size > data length\n"); + p(ips_adj_hwcsum_clr, + "\t\t\t%u packet%s forced to software checksum\n"); + p1a(ips_toolong, "\t\t%u with ip length > max ip packet size\n"); + p1a(ips_badhlen, "\t\t%u with header length < data size\n"); + p1a(ips_badlen, "\t\t%u with data length < header length\n"); + p1a(ips_badoptions, "\t\t%u with bad options\n"); + p1a(ips_badvers, "\t\t%u with incorrect version number\n"); + p(ips_fragments, "\t\t%u fragment%s received\n"); + p1a(ips_fragdropped, "\t\t\t%u dropped (dup or out of space)\n"); + p1a(ips_fragtimeout, "\t\t\t%u dropped after timeout\n"); + p1a(ips_reassembled, "\t\t\t%u reassembled ok\n"); + p(ips_delivered, "\t\t%u packet%s for this host\n"); + p(ips_noproto, "\t\t%u packet%s for unknown/unsupported protocol\n"); + p(ips_forward, "\t\t%u packet%s forwarded"); + p(ips_fastforward, " (%u packet%s fast forwarded)"); + if (IPDIFF(ips_forward) || sflag <= 1) + putchar('\n'); + p(ips_cantforward, "\t\t%u packet%s not forwardable\n"); + p(ips_notmember, + "\t\t%u packet%s received for unknown multicast group\n"); + p(ips_redirectsent, "\t\t%u redirect%s sent\n"); + p(ips_rxc_collisions, "\t\t%u input packet%s not chained due to collision\n"); + p(ips_rxc_chained, "\t\t%u input packet%s processed in a chain\n"); + p(ips_rxc_notchain, "\t\t%u input packet%s unable to chain\n"); + p(ips_rxc_chainsz_gt2, + "\t\t%u input packet chain%s processed with length greater than 2\n"); + p(ips_rxc_chainsz_gt4, + "\t\t%u input packet chain%s processed with length greater than 4\n"); + p(ips_rxc_notlist, + "\t\t%u input packet%s did not go through list processing path\n"); + + p(ips_rcv_if_weak_match, + "\t\t%u input packet%s that passed the weak ES interface address match\n"); + p(ips_rcv_if_no_match, + "\t\t%u input packet%s with no interface address match\n"); + +#define INPERFDIFF(f) (in_net_perf.f - pin_net_perf.f) + if (INPERFDIFF(np_total_pkts) > 0 && in_net_perf.np_total_usecs > 0) { + printf("\tInput Performance Stats:\n"); + printf("\t\t%llu total packets measured\n", INPERFDIFF(np_total_pkts)); + printf("\t\t%llu total usec elapsed\n", INPERFDIFF(np_total_usecs)); + printf("\t\t%f usec per packet\n", + (double)in_net_perf.np_total_usecs/(double)in_net_perf.np_total_pkts); + printf("\t\tHistogram:\n"); + printf("\t\t\t x <= %u: %llu\n", in_net_perf.np_hist_bars[0], + INPERFDIFF(np_hist1)); + printf("\t\t\t %u < x <= %u: %llu\n", + in_net_perf.np_hist_bars[0], in_net_perf.np_hist_bars[1], + INPERFDIFF(np_hist2)); + printf("\t\t\t %u < x <= %u: %llu\n", + in_net_perf.np_hist_bars[1], in_net_perf.np_hist_bars[2], + INPERFDIFF(np_hist3)); + printf("\t\t\t %u < x <= %u: %llu\n", + in_net_perf.np_hist_bars[2], in_net_perf.np_hist_bars[3], + INPERFDIFF(np_hist4)); + printf("\t\t\t %u < x: %llu\n", + in_net_perf.np_hist_bars[3], INPERFDIFF(np_hist5)); + } +#undef INPERFDIFF + + p(ips_localout, "\t%u packet%s sent from this host\n"); + p(ips_rawout, "\t\t%u packet%s sent with fabricated ip header\n"); + p(ips_odropped, + "\t\t%u output packet%s dropped due to no bufs, etc.\n"); + p(ips_noroute, "\t\t%u output packet%s discarded due to no route\n"); + p(ips_fragmented, "\t\t%u output datagram%s fragmented\n"); + p(ips_ofragments, "\t\t%u fragment%s created\n"); + p(ips_cantfrag, "\t\t%u datagram%s that can't be fragmented\n"); + p(ips_nogif, "\t\t%u tunneling packet%s that can't find gif\n"); + p(ips_badaddr, "\t\t%u datagram%s with bad address in header\n"); + p(ips_pktdropcntrl, + "\t\t%u packet%s dropped due to no bufs for control data\n"); + p(ips_necp_policy_drop, "\t\t%u packet%s dropped due to NECP policy\n"); + p2(ips_snd_swcsum, ips_snd_swcsum_bytes, + "\t\t%u header%s (%u byte%s) checksummed in software\n"); + +#define OUTPERFDIFF(f) (out_net_perf.f - pout_net_perf.f) + if (OUTPERFDIFF(np_total_pkts) > 0 && out_net_perf.np_total_usecs > 0) { + printf("\tOutput Performance Stats:\n"); + printf("\t\t%llu total packets measured\n", OUTPERFDIFF(np_total_pkts)); + printf("\t\t%llu total usec elapsed\n", OUTPERFDIFF(np_total_usecs)); + printf("\t\t%f usec per packet\n", + (double)out_net_perf.np_total_usecs/(double)out_net_perf.np_total_pkts); + printf("\t\tHistogram:\n"); + printf("\t\t\t x <= %u: %llu\n", out_net_perf.np_hist_bars[0], + OUTPERFDIFF(np_hist1)); + printf("\t\t\t %u < x <= %u: %llu\n", + out_net_perf.np_hist_bars[0], out_net_perf.np_hist_bars[1], + OUTPERFDIFF(np_hist2)); + printf("\t\t\t %u < x <= %u: %llu\n", + out_net_perf.np_hist_bars[1], out_net_perf.np_hist_bars[2], + OUTPERFDIFF(np_hist3)); + printf("\t\t\t %u < x <= %u: %llu\n", + out_net_perf.np_hist_bars[2], out_net_perf.np_hist_bars[3], + OUTPERFDIFF(np_hist4)); + printf("\t\t\t %u < x: %llu\n", + out_net_perf.np_hist_bars[3], OUTPERFDIFF(np_hist5)); + } +#undef OUTPERFDIFF + + if (interval > 0) { + bcopy(&ipstat, &pipstat, ipstat_len); + bcopy(&in_net_perf, &pin_net_perf, in_net_perf_len); + bcopy(&out_net_perf, &pout_net_perf, out_net_perf_len); + } + +#undef IPDIFF +#undef p +#undef p1a +#undef p2 +} + +/* + * Dump ARP statistics structure. + */ +void +arp_stats(uint32_t off, char *name, int af) +{ + static struct arpstat parpstat; + struct arpstat arpstat; + size_t len = sizeof (arpstat); + + if (sysctlbyname("net.link.ether.inet.stats", &arpstat, + &len, 0, 0) < 0) { + warn("sysctl: net.link.ether.inet.stats"); + return; + } + + if (interval && vflag > 0) + print_time(); + printf("%s:\n", name); + +#define ARPDIFF(f) (arpstat.f - parpstat.f) +#define p(f, m) if (ARPDIFF(f) || sflag <= 1) \ + printf(m, ARPDIFF(f), plural(ARPDIFF(f))) +#define p2(f, m) if (ARPDIFF(f) || sflag <= 1) \ + printf(m, ARPDIFF(f), pluralies(ARPDIFF(f))) +#define p3(f, m) if (ARPDIFF(f) || sflag <= 1) \ + printf(m, ARPDIFF(f), plural(ARPDIFF(f)), pluralies(ARPDIFF(f))) + + p(txrequests, "\t%u broadast ARP request%s sent\n"); + p(txurequests, "\t%u unicast ARP request%s sent\n"); + p2(txreplies, "\t%u ARP repl%s sent\n"); + p(txannounces, "\t%u ARP announcement%s sent\n"); + p(rxrequests, "\t%u ARP request%s received\n"); + p2(rxreplies, "\t%u ARP repl%s received\n"); + p(received, "\t%u total ARP packet%s received\n"); + p(txconflicts, "\t%u ARP conflict probe%s sent\n"); + p(invalidreqs, "\t%u invalid ARP resolve request%s\n"); + p(reqnobufs, "\t%u total packet%s dropped due to lack of memory\n"); + p3(held, "\t%u total packet%s held awaiting ARP repl%s\n"); + p(dropped, "\t%u total packet%s dropped due to no ARP entry\n"); + p(purged, "\t%u total packet%s dropped during ARP entry removal\n"); + p2(timeouts, "\t%u ARP entr%s timed out\n"); + p(dupips, "\t%u Duplicate IP%s seen\n"); + + if (interval > 0) + bcopy(&arpstat, &parpstat, len); + +#undef ARPDIFF +#undef p +#undef p2 +} + +static char *icmpnames[] = { + "echo reply", + "#1", + "#2", + "destination unreachable", + "source quench", + "routing redirect", + "#6", + "#7", + "echo", + "router advertisement", + "router solicitation", + "time exceeded", + "parameter problem", + "time stamp", + "time stamp reply", + "information request", + "information request reply", + "address mask request", + "address mask reply", +}; + +/* + * Dump ICMP statistics. + */ +void +icmp_stats(uint32_t off , char *name, int af ) +{ + static struct icmpstat picmpstat; + struct icmpstat icmpstat; + int i, first; + int mib[4]; /* CTL_NET + PF_INET + IPPROTO_ICMP + req */ + size_t len; + + mib[0] = CTL_NET; + mib[1] = PF_INET; + mib[2] = IPPROTO_ICMP; + mib[3] = ICMPCTL_STATS; + + len = sizeof icmpstat; + memset(&icmpstat, 0, len); + if (sysctl(mib, 4, &icmpstat, &len, (void *)0, 0) < 0) + return; /* XXX should complain, but not traditional */ + + if (interval && vflag > 0) + print_time(); + printf("%s:\n", name); + +#define ICMPDIFF(f) (icmpstat.f - picmpstat.f) +#define p(f, m) if (ICMPDIFF(f) || sflag <= 1) \ + printf(m, ICMPDIFF(f), plural(ICMPDIFF(f))) +#define p1a(f, m) if (ICMPDIFF(f) || sflag <= 1) \ + printf(m, ICMPDIFF(f)) + + p(icps_error, "\t%u call%s to icmp_error\n"); + p(icps_oldicmp, + "\t%u error%s not generated 'cuz old message was icmp\n"); + for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) + if (ICMPDIFF(icps_outhist[i]) != 0) { + if (first) { + printf("\tOutput histogram:\n"); + first = 0; + } + printf("\t\t%s: %u\n", icmpnames[i], + ICMPDIFF(icps_outhist[i])); + } + p(icps_badcode, "\t%u message%s with bad code fields\n"); + p(icps_tooshort, "\t%u message%s < minimum length\n"); + p(icps_checksum, "\t%u bad checksum%s\n"); + p(icps_badlen, "\t%u message%s with bad length\n"); + p1a(icps_bmcastecho, "\t%u multicast echo requests ignored\n"); + p1a(icps_bmcasttstamp, "\t%u multicast timestamp requests ignored\n"); + for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++) + if (ICMPDIFF(icps_inhist[i]) != 0) { + if (first) { + printf("\tInput histogram:\n"); + first = 0; + } + printf("\t\t%s: %u\n", icmpnames[i], + ICMPDIFF(icps_inhist[i])); + } + p(icps_reflect, "\t%u message response%s generated\n"); + +#undef ICMPDIFF +#undef p +#undef p1a + mib[3] = ICMPCTL_MASKREPL; + len = sizeof i; + if (sysctl(mib, 4, &i, &len, (void *)0, 0) < 0) + return; + printf("\tICMP address mask responses are %sabled\n", + i ? "en" : "dis"); + + if (interval > 0) + bcopy(&icmpstat, &picmpstat, sizeof (icmpstat)); +} + +/* + * Dump IGMP statistics structure. + */ +void +igmp_stats(uint32_t off , char *name, int af ) +{ + static struct igmpstat_v3 pigmpstat; + struct igmpstat_v3 igmpstat; + size_t len = sizeof igmpstat; + + if (sysctlbyname("net.inet.igmp.v3stats", &igmpstat, &len, 0, 0) < 0) { + warn("sysctl: net.inet.igmp.v3stats"); + return; + } + + if (igmpstat.igps_version != IGPS_VERSION_3) { + warnx("%s: version mismatch (%d != %d)", __func__, + igmpstat.igps_version, IGPS_VERSION_3); + } + if (igmpstat.igps_len != IGPS_VERSION3_LEN) { + warnx("%s: size mismatch (%d != %d)", __func__, + igmpstat.igps_len, IGPS_VERSION3_LEN); + } + + if (interval && vflag > 0) + print_time(); + printf("%s:\n", name); + +#define IGMPDIFF(f) ((uintmax_t)(igmpstat.f - pigmpstat.f)) +#define p64(f, m) if (IGMPDIFF(f) || sflag <= 1) \ + printf(m, IGMPDIFF(f), plural(IGMPDIFF(f))) +#define py64(f, m) if (IGMPDIFF(f) || sflag <= 1) \ + printf(m, IGMPDIFF(f), IGMPDIFF(f) != 1 ? "ies" : "y") + + p64(igps_rcv_total, "\t%ju message%s received\n"); + p64(igps_rcv_tooshort, "\t%ju message%s received with too few bytes\n"); + p64(igps_rcv_badttl, "\t%ju message%s received with wrong TTL\n"); + p64(igps_rcv_badsum, "\t%ju message%s received with bad checksum\n"); + py64(igps_rcv_v1v2_queries, "\t%ju V1/V2 membership quer%s received\n"); + py64(igps_rcv_v3_queries, "\t%ju V3 membership quer%s received\n"); + py64(igps_rcv_badqueries, + "\t%ju membership quer%s received with invalid field(s)\n"); + py64(igps_rcv_gen_queries, "\t%ju general quer%s received\n"); + py64(igps_rcv_group_queries, "\t%ju group quer%s received\n"); + py64(igps_rcv_gsr_queries, "\t%ju group-source quer%s received\n"); + py64(igps_drop_gsr_queries, "\t%ju group-source quer%s dropped\n"); + p64(igps_rcv_reports, "\t%ju membership report%s received\n"); + p64(igps_rcv_badreports, + "\t%ju membership report%s received with invalid field(s)\n"); + p64(igps_rcv_ourreports, +"\t%ju membership report%s received for groups to which we belong\n"); + p64(igps_rcv_nora, "\t%ju V3 report%s received without Router Alert\n"); + p64(igps_snd_reports, "\t%ju membership report%s sent\n"); + + if (interval > 0) + bcopy(&igmpstat, &pigmpstat, len); + +#undef IGMPDIFF +#undef p64 +#undef py64 +} + +/* + * Pretty print an Internet address (net address + port). + */ +void +inetprint(struct in_addr *in, int port, char *proto, int numeric_port) +{ + struct servent *sp = 0; + char line[80], *cp; + int width; + + if (Wflag) + snprintf(line, sizeof(line), "%s.", inetname(in)); + else + snprintf(line, sizeof(line), "%.*s.", (Aflag && !numeric_port) ? 12 : 16, inetname(in)); + cp = index(line, '\0'); + if (!numeric_port && port) +#ifdef _SERVICE_CACHE_ + sp = _serv_cache_getservbyport(port, proto); +#else + sp = getservbyport((int)port, proto); +#endif + if (sp || port == 0) + snprintf(cp, sizeof(line) - (cp - line), "%.15s ", sp ? sp->s_name : "*"); + else + snprintf(cp, sizeof(line) - (cp - line), "%d ", ntohs((u_short)port)); + width = (Aflag && !Wflag) ? 18 : 22; + if (Wflag) + printf("%-*s ", width, line); + else + printf("%-*.*s ", width, width, line); +} + +/* + * Construct an Internet address representation. + * If the nflag has been supplied, give + * numeric value, otherwise try for symbolic name. + */ +char * +inetname(struct in_addr *inp) +{ + register char *cp; + static char line[MAXHOSTNAMELEN]; + struct hostent *hp; + struct netent *np; + + cp = 0; + if (!nflag && inp->s_addr != INADDR_ANY) { + int net = inet_netof(*inp); + int lna = inet_lnaof(*inp); + + if (lna == INADDR_ANY) { + np = getnetbyaddr(net, AF_INET); + if (np) + cp = np->n_name; + } + if (cp == 0) { + hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET); + if (hp) { + cp = hp->h_name; + //### trimdomain(cp, strlen(cp)); + } + } + } + if (inp->s_addr == INADDR_ANY) + strlcpy(line, "*", sizeof(line)); + else if (cp) { + strlcpy(line, cp, sizeof(line)); + } else { + inp->s_addr = ntohl(inp->s_addr); +#define C(x) ((u_int)((x) & 0xff)) + snprintf(line, sizeof(line), "%u.%u.%u.%u", C(inp->s_addr >> 24), + C(inp->s_addr >> 16), C(inp->s_addr >> 8), C(inp->s_addr)); + } + return (line); +} |