#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
#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
#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;
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
struct xgen_n {
u_int32_t xgn_len;
u_int32_t xgn_kind;
};
#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,
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;
}
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;
if (so->xso_protocol != (int)proto)
continue;
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
|| (af == AF_UNSPEC && ((inp->inp_vflag & INP_IPV4) == 0
#ifdef INET6
&& (inp->inp_vflag &
INP_IPV6) == 0
#endif
))
)
continue;
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);
}
#endif
} 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);
}
#endif
} 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);
}
#endif
}
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);
}
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
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
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
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
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
}
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
}
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
p1a(udps_noport, "\t\t%u dropped due to no socket\n");
p(udps_noportbcast,
"\t\t%u broadcast/multicast datagram%s undelivered\n");
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
if (interval > 0) {
bcopy(&udpstat, &pudpstat, len);
pr_swcsum = r_swcsum;
pt_swcsum = t_swcsum;
}
#undef UDPDIFF
#undef p
#undef p1a
#undef p2
}
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
}
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",
};
void
icmp_stats(uint32_t off , char *name, int af )
{
static struct icmpstat picmpstat;
struct icmpstat icmpstat;
int i, first;
int mib[4];
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;
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));
}
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
}
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);
}
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;
}
}
}
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);
}