Merged /head:r256510,256512,257376,257469,260052:

Make 'netstat -i' use getifaddrs(3) instead of kvm(3).
This commit is contained in:
glebius 2014-01-27 08:15:21 +00:00
parent fe288f1b72
commit c3a529c9ca
7 changed files with 317 additions and 472 deletions

View File

@ -1,4 +1,5 @@
/*-
* Copyright (c) 2013 Gleb Smirnoff <glebius@FreeBSD.org>
* Copyright (c) 1983, 1988, 1993
* The Regents of the University of California. All rights reserved.
*
@ -58,24 +59,23 @@ __FBSDID("$FreeBSD$");
#include <err.h>
#include <errno.h>
#include <ifaddrs.h>
#include <libutil.h>
#ifdef INET6
#include <netdb.h>
#endif
#include <signal.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sysexits.h>
#include <unistd.h>
#include "netstat.h"
#define YES 1
#define NO 0
static void sidewaysintpr(int, u_long);
static void catchalarm(int);
static void sidewaysintpr(int);
#ifdef INET6
static char addr_buf[NI_MAXHOST]; /* for getnameinfo() */
@ -197,53 +197,41 @@ show_stat(const char *fmt, int width, u_long value, short showvalue)
}
}
/*
* Find next multiaddr for a given interface name.
*/
static struct ifmaddrs *
next_ifma(struct ifmaddrs *ifma, const char *name, const sa_family_t family)
{
for(; ifma != NULL; ifma = ifma->ifma_next) {
struct sockaddr_dl *sdl;
sdl = (struct sockaddr_dl *)ifma->ifma_name;
if (ifma->ifma_addr->sa_family == family &&
strcmp(sdl->sdl_data, name) == 0)
break;
}
return (ifma);
}
/*
* Print a description of the network interfaces.
*/
void
intpr(int interval1, u_long ifnetaddr, void (*pfunc)(char *))
intpr(int interval, void (*pfunc)(char *))
{
struct ifnet ifnet;
struct ifnethead ifnethead;
union {
struct ifaddr ifa;
struct in_ifaddr in;
#ifdef INET6
struct in6_ifaddr in6;
#endif
struct ipx_ifaddr ipx;
} ifaddr;
u_long ifaddraddr;
u_long ifaddrfound;
u_long opackets;
u_long ipackets;
u_long obytes;
u_long ibytes;
u_long omcasts;
u_long imcasts;
u_long oerrors;
u_long ierrors;
u_long idrops;
u_long collisions;
int drops;
struct sockaddr *sa = NULL;
char name[IFNAMSIZ];
short network_layer;
short link_layer;
struct ifaddrs *ifap, *ifa;
struct ifmaddrs *ifmap, *ifma;
if (interval)
return sidewaysintpr(interval);
if (ifnetaddr == 0) {
printf("ifnet: symbol not defined\n");
return;
}
if (interval1) {
sidewaysintpr(interval1, ifnetaddr);
return;
}
if (kread(ifnetaddr, (char *)&ifnethead, sizeof ifnethead) != 0)
return;
ifnetaddr = (u_long)TAILQ_FIRST(&ifnethead);
if (kread(ifnetaddr, (char *)&ifnet, sizeof ifnet) != 0)
return;
if (getifaddrs(&ifap) != 0)
err(EX_OSERR, "getifaddrs");
if (aflag && getifmaddrs(&ifmap) != 0)
err(EX_OSERR, "getifmaddrs");
if (!pfunc) {
if (Wflag)
@ -262,364 +250,295 @@ intpr(int interval1, u_long ifnetaddr, void (*pfunc)(char *))
printf(" %s", "Drop");
putchar('\n');
}
ifaddraddr = 0;
while (ifnetaddr || ifaddraddr) {
struct sockaddr_in *sockin;
#ifdef INET6
struct sockaddr_in6 *sockin6;
#endif
char *cp;
int n, m;
network_layer = 0;
link_layer = 0;
for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
bool network = false, link = false;
if (ifaddraddr == 0) {
if (kread(ifnetaddr, (char *)&ifnet, sizeof ifnet) != 0)
return;
strlcpy(name, ifnet.if_xname, sizeof(name));
ifnetaddr = (u_long)TAILQ_NEXT(&ifnet, if_link);
if (interface != 0 && strcmp(name, interface) != 0)
continue;
cp = strchr(name, '\0');
if (interface != NULL && strcmp(ifa->ifa_name, interface) != 0)
continue;
if (pfunc) {
(*pfunc)(name);
continue;
}
if (pfunc) {
char *name;
if ((ifnet.if_flags&IFF_UP) == 0)
*cp++ = '*';
*cp = '\0';
ifaddraddr = (u_long)TAILQ_FIRST(&ifnet.if_addrhead);
}
ifaddrfound = ifaddraddr;
/*
* Get the interface stats. These may get
* overriden below on a per-interface basis.
*/
opackets = ifnet.if_opackets;
ipackets = ifnet.if_ipackets;
obytes = ifnet.if_obytes;
ibytes = ifnet.if_ibytes;
omcasts = ifnet.if_omcasts;
imcasts = ifnet.if_imcasts;
oerrors = ifnet.if_oerrors;
ierrors = ifnet.if_ierrors;
idrops = ifnet.if_iqdrops;
collisions = ifnet.if_collisions;
drops = ifnet.if_snd.ifq_drops;
if (ifaddraddr == 0) {
if (Wflag)
printf("%-7.7s", name);
else
printf("%-5.5s", name);
printf(" %5lu ", ifnet.if_mtu);
printf("%-13.13s ", "none");
printf("%-17.17s ", "none");
} else {
if (kread(ifaddraddr, (char *)&ifaddr, sizeof ifaddr)
!= 0) {
ifaddraddr = 0;
continue;
}
#define CP(x) ((char *)(x))
cp = (CP(ifaddr.ifa.ifa_addr) - CP(ifaddraddr)) +
CP(&ifaddr);
sa = (struct sockaddr *)cp;
if (af != AF_UNSPEC && sa->sa_family != af) {
ifaddraddr =
(u_long)TAILQ_NEXT(&ifaddr.ifa, ifa_link);
continue;
}
if (Wflag)
printf("%-7.7s", name);
else
printf("%-5.5s", name);
printf(" %5lu ", ifnet.if_mtu);
switch (sa->sa_family) {
case AF_UNSPEC:
printf("%-13.13s ", "none");
printf("%-15.15s ", "none");
break;
case AF_INET:
sockin = (struct sockaddr_in *)sa;
#ifdef notdef
/* can't use inet_makeaddr because kernel
* keeps nets unshifted.
*/
in = inet_makeaddr(ifaddr.in.ia_subnet,
INADDR_ANY);
printf("%-13.13s ", netname(in.s_addr,
ifaddr.in.ia_subnetmask));
#else
printf("%-13.13s ",
netname(htonl(ifaddr.in.ia_subnet),
ifaddr.in.ia_subnetmask));
#endif
printf("%-17.17s ",
routename(sockin->sin_addr.s_addr));
network_layer = 1;
break;
#ifdef INET6
case AF_INET6:
sockin6 = (struct sockaddr_in6 *)sa;
in6_fillscopeid(&ifaddr.in6.ia_addr);
printf("%-13.13s ",
netname6(&ifaddr.in6.ia_addr,
&ifaddr.in6.ia_prefixmask.sin6_addr));
in6_fillscopeid(sockin6);
getnameinfo(sa, sa->sa_len, addr_buf,
sizeof(addr_buf), 0, 0, NI_NUMERICHOST);
printf("%-17.17s ", addr_buf);
network_layer = 1;
break;
#endif /*INET6*/
case AF_IPX:
{
struct sockaddr_ipx *sipx =
(struct sockaddr_ipx *)sa;
u_long net;
char netnum[10];
*(union ipx_net *) &net = sipx->sipx_addr.x_net;
sprintf(netnum, "%lx", (u_long)ntohl(net));
printf("ipx:%-8s ", netnum);
/* printf("ipx:%-8s ", netname(net, 0L)); */
printf("%-17s ",
ipx_phost((struct sockaddr *)sipx));
}
network_layer = 1;
break;
case AF_APPLETALK:
printf("atalk:%-12.12s ",atalk_print(sa,0x10) );
printf("%-11.11s ",atalk_print(sa,0x0b) );
break;
case AF_LINK:
{
struct sockaddr_dl *sdl =
(struct sockaddr_dl *)sa;
char linknum[10];
cp = (char *)LLADDR(sdl);
n = sdl->sdl_alen;
sprintf(linknum, "<Link#%d>", sdl->sdl_index);
m = printf("%-13.13s ", linknum);
}
goto hexprint;
default:
m = printf("(%d)", sa->sa_family);
for (cp = sa->sa_len + (char *)sa;
--cp > sa->sa_data && (*cp == 0);) {}
n = cp - sa->sa_data + 1;
cp = sa->sa_data;
hexprint:
while ((--n >= 0) && (m < 30))
m += printf("%02x%c", *cp++ & 0xff,
n > 0 ? ':' : ' ');
m = 32 - m;
while (m-- > 0)
putchar(' ');
link_layer = 1;
break;
}
name = ifa->ifa_name;
(*pfunc)(name);
/*
* Fixup the statistics for interfaces that
* update stats for their network addresses
* Skip all ifaddrs belonging to same interface.
*/
if (network_layer) {
opackets = ifaddr.in.ia_ifa.if_opackets;
ipackets = ifaddr.in.ia_ifa.if_ipackets;
obytes = ifaddr.in.ia_ifa.if_obytes;
ibytes = ifaddr.in.ia_ifa.if_ibytes;
while(ifa->ifa_next != NULL &&
(strcmp(ifa->ifa_next->ifa_name, name) == 0)) {
ifa = ifa->ifa_next;
}
ifaddraddr = (u_long)TAILQ_NEXT(&ifaddr.ifa, ifa_link);
continue;
}
show_stat("lu", 8, ipackets, link_layer|network_layer);
show_stat("lu", 5, ierrors, link_layer);
show_stat("lu", 5, idrops, link_layer);
if (bflag)
show_stat("lu", 10, ibytes, link_layer|network_layer);
if (af != AF_UNSPEC && ifa->ifa_addr->sa_family != af)
continue;
show_stat("lu", 8, opackets, link_layer|network_layer);
show_stat("lu", 5, oerrors, link_layer);
if (bflag)
show_stat("lu", 10, obytes, link_layer|network_layer);
if (Wflag)
printf("%-7.7s", ifa->ifa_name);
else
printf("%-5.5s", ifa->ifa_name);
show_stat("NRSlu", 5, collisions, link_layer);
if (dflag)
show_stat("LSd", 4, drops, link_layer);
#define IFA_MTU(ifa) (((struct if_data *)(ifa)->ifa_data)->ifi_mtu)
show_stat("lu", 6, IFA_MTU(ifa), IFA_MTU(ifa));
#undef IFA_MTU
switch (ifa->ifa_addr->sa_family) {
case AF_UNSPEC:
printf("%-13.13s ", "none");
printf("%-15.15s ", "none");
break;
case AF_INET:
{
struct sockaddr_in *sin, *mask;
sin = (struct sockaddr_in *)ifa->ifa_addr;
mask = (struct sockaddr_in *)ifa->ifa_netmask;
printf("%-13.13s ", netname(sin->sin_addr.s_addr,
mask->sin_addr.s_addr));
printf("%-17.17s ",
routename(sin->sin_addr.s_addr));
network = true;
break;
}
#ifdef INET6
case AF_INET6:
{
struct sockaddr_in6 *sin6, *mask;
sin6 = (struct sockaddr_in6 *)ifa->ifa_addr;
mask = (struct sockaddr_in6 *)ifa->ifa_netmask;
printf("%-13.13s ", netname6(sin6, &mask->sin6_addr));
getnameinfo(ifa->ifa_addr, ifa->ifa_addr->sa_len,
addr_buf, sizeof(addr_buf), 0, 0, NI_NUMERICHOST);
printf("%-17.17s ", addr_buf);
network = 1;
break;
}
#endif /* INET6 */
case AF_IPX:
{
struct sockaddr_ipx *sipx;
u_long net;
char netnum[10];
sipx = (struct sockaddr_ipx *)ifa->ifa_addr;
*(union ipx_net *) &net = sipx->sipx_addr.x_net;
sprintf(netnum, "%lx", (u_long)ntohl(net));
printf("ipx:%-8s ", netnum);
printf("%-17s ", ipx_phost((struct sockaddr *)sipx));
network = 1;
break;
}
case AF_APPLETALK:
printf("atalk:%-12.12s ",
atalk_print(ifa->ifa_addr, 0x10));
printf("%-11.11s ",
atalk_print(ifa->ifa_addr, 0x0b));
break;
case AF_LINK:
{
struct sockaddr_dl *sdl;
char *cp, linknum[10];
int n, m;
sdl = (struct sockaddr_dl *)ifa->ifa_addr;
cp = (char *)LLADDR(sdl);
n = sdl->sdl_alen;
sprintf(linknum, "<Link#%d>", sdl->sdl_index);
m = printf("%-13.13s ", linknum);
while ((--n >= 0) && (m < 30))
m += printf("%02x%c", *cp++ & 0xff,
n > 0 ? ':' : ' ');
m = 32 - m;
while (m-- > 0)
putchar(' ');
link = 1;
break;
}
}
#define IFA_STAT(s) (((struct if_data *)ifa->ifa_data)->ifi_ ## s)
show_stat("lu", 8, IFA_STAT(ipackets), link|network);
show_stat("lu", 5, IFA_STAT(ierrors), link);
show_stat("lu", 5, IFA_STAT(iqdrops), link);
if (bflag)
show_stat("lu", 10, IFA_STAT(ibytes), link|network);
show_stat("lu", 8, IFA_STAT(opackets), link|network);
show_stat("lu", 5, IFA_STAT(oerrors), link);
if (bflag)
show_stat("lu", 10, IFA_STAT(obytes), link|network);
show_stat("NRSlu", 5, IFA_STAT(collisions), link);
/* XXXGL: output queue drops */
putchar('\n');
if (aflag && ifaddrfound) {
/*
* Print family's multicast addresses
*/
struct ifmultiaddr *multiaddr;
struct ifmultiaddr ifma;
union {
struct sockaddr sa;
struct sockaddr_in in;
#ifdef INET6
struct sockaddr_in6 in6;
#endif /* INET6 */
struct sockaddr_dl dl;
} msa;
const char *fmt;
if (!aflag)
continue;
TAILQ_FOREACH(multiaddr, &ifnet.if_multiaddrs, ifma_link) {
if (kread((u_long)multiaddr, (char *)&ifma,
sizeof ifma) != 0)
break;
multiaddr = &ifma;
if (kread((u_long)ifma.ifma_addr, (char *)&msa,
sizeof msa) != 0)
break;
if (msa.sa.sa_family != sa->sa_family)
continue;
/*
* Print family's multicast addresses.
*/
for (ifma = next_ifma(ifmap, ifa->ifa_name,
ifa->ifa_addr->sa_family);
ifma != NULL;
ifma = next_ifma(ifma, ifa->ifa_name,
ifa->ifa_addr->sa_family)) {
const char *fmt = NULL;
fmt = 0;
switch (msa.sa.sa_family) {
case AF_INET:
fmt = routename(msa.in.sin_addr.s_addr);
break;
switch (ifma->ifma_addr->sa_family) {
case AF_INET:
{
struct sockaddr_in *sin;
sin = (struct sockaddr_in *)ifma->ifma_addr;
fmt = routename(sin->sin_addr.s_addr);
break;
}
#ifdef INET6
case AF_INET6:
in6_fillscopeid(&msa.in6);
getnameinfo(&msa.sa, msa.sa.sa_len,
addr_buf, sizeof(addr_buf), 0, 0,
NI_NUMERICHOST);
printf("%*s %-19.19s(refs: %d)\n",
Wflag ? 27 : 25, "",
addr_buf, ifma.ifma_refcount);
break;
case AF_INET6:
/* in6_fillscopeid(&msa.in6); */
getnameinfo(ifma->ifma_addr,
ifma->ifma_addr->sa_len, addr_buf,
sizeof(addr_buf), 0, 0, NI_NUMERICHOST);
printf("%*s %s\n",
Wflag ? 27 : 25, "", addr_buf);
break;
#endif /* INET6 */
case AF_LINK:
switch (msa.dl.sdl_type) {
case IFT_ETHER:
case IFT_FDDI:
fmt = ether_ntoa(
(struct ether_addr *)
LLADDR(&msa.dl));
break;
}
case AF_LINK:
{
struct sockaddr_dl *sdl;
sdl = (struct sockaddr_dl *)ifma->ifma_addr;
switch (sdl->sdl_type) {
case IFT_ETHER:
case IFT_FDDI:
fmt = ether_ntoa(
(struct ether_addr *)LLADDR(sdl));
break;
}
if (fmt) {
printf("%*s %-17.17s",
Wflag ? 27 : 25, "", fmt);
if (msa.sa.sa_family == AF_LINK) {
printf(" %8lu", imcasts);
printf("%*s",
bflag ? 17 : 6, "");
printf(" %8lu", omcasts);
}
putchar('\n');
}
break;
}
}
if (fmt) {
printf("%*s %-17.17s",
Wflag ? 27 : 25, "", fmt);
if (ifma->ifma_addr->sa_family == AF_LINK) {
printf(" %8lu", IFA_STAT(imcasts));
printf("%*s", bflag ? 17 : 6, "");
printf(" %8lu", IFA_STAT(omcasts));
}
putchar('\n');
}
ifma = ifma->ifma_next;
}
}
freeifaddrs(ifap);
if (aflag)
freeifmaddrs(ifmap);
}
struct iftot {
SLIST_ENTRY(iftot) chain;
char ift_name[IFNAMSIZ]; /* interface name */
struct iftot {
u_long ift_ip; /* input packets */
u_long ift_ie; /* input errors */
u_long ift_id; /* input drops */
u_long ift_op; /* output packets */
u_long ift_oe; /* output errors */
u_long ift_co; /* collisions */
u_int ift_dr; /* drops */
u_long ift_ib; /* input bytes */
u_long ift_ob; /* output bytes */
};
u_char signalled; /* set if alarm goes off "early" */
/*
* Obtain stats for interface(s).
*/
static void
fill_iftot(struct iftot *st)
{
struct ifaddrs *ifap, *ifa;
bool found = false;
if (getifaddrs(&ifap) != 0)
err(EX_OSERR, "getifaddrs");
bzero(st, sizeof(*st));
for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
if (ifa->ifa_addr->sa_family != AF_LINK)
continue;
if (interface) {
if (strcmp(ifa->ifa_name, interface) == 0)
found = true;
else
continue;
}
st->ift_ip += IFA_STAT(ipackets);
st->ift_ie += IFA_STAT(ierrors);
st->ift_id += IFA_STAT(iqdrops);
st->ift_ib += IFA_STAT(ibytes);
st->ift_op += IFA_STAT(opackets);
st->ift_oe += IFA_STAT(oerrors);
st->ift_ob += IFA_STAT(obytes);
st->ift_co += IFA_STAT(collisions);
}
if (interface && found == false)
err(EX_DATAERR, "interface %s not found", interface);
freeifaddrs(ifap);
}
/*
* Set a flag to indicate that a signal from the periodic itimer has been
* caught.
*/
static sig_atomic_t signalled;
static void
catchalarm(int signo __unused)
{
signalled = true;
}
/*
* Print a running summary of interface statistics.
* Repeat display every interval1 seconds, showing statistics
* collected over that interval. Assumes that interval1 is non-zero.
* Repeat display every interval seconds, showing statistics
* collected over that interval. Assumes that interval is non-zero.
* First line printed at top of screen is always cumulative.
* XXX - should be rewritten to use ifmib(4).
*/
static void
sidewaysintpr(int interval1, u_long off)
sidewaysintpr(int interval)
{
struct ifnet ifnet;
u_long firstifnet;
struct ifnethead ifnethead;
struct iftot ift[2], *new, *old;
struct itimerval interval_it;
struct iftot *iftot, *ip, *ipn, *total, *sum, *interesting;
int line;
int oldmask, first;
u_long interesting_off;
int oldmask, line;
if (kread(off, (char *)&ifnethead, sizeof ifnethead) != 0)
return;
firstifnet = (u_long)TAILQ_FIRST(&ifnethead);
if ((iftot = malloc(sizeof(struct iftot))) == NULL) {
printf("malloc failed\n");
exit(1);
}
memset(iftot, 0, sizeof(struct iftot));
interesting = NULL;
interesting_off = 0;
for (off = firstifnet, ip = iftot; off;) {
char name[IFNAMSIZ];
if (kread(off, (char *)&ifnet, sizeof ifnet) != 0)
break;
strlcpy(name, ifnet.if_xname, sizeof(name));
if (interface && strcmp(name, interface) == 0) {
interesting = ip;
interesting_off = off;
}
snprintf(ip->ift_name, sizeof(ip->ift_name), "(%s)", name);
if ((ipn = malloc(sizeof(struct iftot))) == NULL) {
printf("malloc failed\n");
exit(1);
}
memset(ipn, 0, sizeof(struct iftot));
SLIST_NEXT(ip, chain) = ipn;
ip = ipn;
off = (u_long)TAILQ_NEXT(&ifnet, if_link);
}
if (interface && interesting == NULL)
errx(1, "%s: unknown interface", interface);
if ((total = malloc(sizeof(struct iftot))) == NULL) {
printf("malloc failed\n");
exit(1);
}
memset(total, 0, sizeof(struct iftot));
if ((sum = malloc(sizeof(struct iftot))) == NULL) {
printf("malloc failed\n");
exit(1);
}
memset(sum, 0, sizeof(struct iftot));
new = &ift[0];
old = &ift[1];
fill_iftot(old);
(void)signal(SIGALRM, catchalarm);
signalled = NO;
interval_it.it_interval.tv_sec = interval1;
signalled = false;
interval_it.it_interval.tv_sec = interval;
interval_it.it_interval.tv_usec = 0;
interval_it.it_value = interval_it.it_interval;
setitimer(ITIMER_REAL, &interval_it, NULL);
first = 1;
banner:
printf("%17s %14s %16s", "input",
interesting ? interesting->ift_name : "(Total)", "output");
interface != NULL ? interface : "(Total)", "output");
putchar('\n');
printf("%10s %5s %5s %10s %10s %5s %10s %5s",
"packets", "errs", "idrops", "bytes", "packets", "errs", "bytes",
@ -629,104 +548,43 @@ banner:
putchar('\n');
fflush(stdout);
line = 0;
loop:
if (interesting != NULL) {
ip = interesting;
if (kread(interesting_off, (char *)&ifnet, sizeof ifnet) != 0) {
printf("???\n");
exit(1);
};
if (!first) {
show_stat("lu", 10, ifnet.if_ipackets - ip->ift_ip, 1);
show_stat("lu", 5, ifnet.if_ierrors - ip->ift_ie, 1);
show_stat("lu", 5, ifnet.if_iqdrops - ip->ift_id, 1);
show_stat("lu", 10, ifnet.if_ibytes - ip->ift_ib, 1);
show_stat("lu", 10, ifnet.if_opackets - ip->ift_op, 1);
show_stat("lu", 5, ifnet.if_oerrors - ip->ift_oe, 1);
show_stat("lu", 10, ifnet.if_obytes - ip->ift_ob, 1);
show_stat("NRSlu", 5,
ifnet.if_collisions - ip->ift_co, 1);
if (dflag)
show_stat("LSu", 5,
ifnet.if_snd.ifq_drops - ip->ift_dr, 1);
}
ip->ift_ip = ifnet.if_ipackets;
ip->ift_ie = ifnet.if_ierrors;
ip->ift_id = ifnet.if_iqdrops;
ip->ift_ib = ifnet.if_ibytes;
ip->ift_op = ifnet.if_opackets;
ip->ift_oe = ifnet.if_oerrors;
ip->ift_ob = ifnet.if_obytes;
ip->ift_co = ifnet.if_collisions;
ip->ift_dr = ifnet.if_snd.ifq_drops;
} else {
sum->ift_ip = 0;
sum->ift_ie = 0;
sum->ift_id = 0;
sum->ift_ib = 0;
sum->ift_op = 0;
sum->ift_oe = 0;
sum->ift_ob = 0;
sum->ift_co = 0;
sum->ift_dr = 0;
for (off = firstifnet, ip = iftot;
off && SLIST_NEXT(ip, chain) != NULL;
ip = SLIST_NEXT(ip, chain)) {
if (kread(off, (char *)&ifnet, sizeof ifnet) != 0) {
off = 0;
continue;
}
sum->ift_ip += ifnet.if_ipackets;
sum->ift_ie += ifnet.if_ierrors;
sum->ift_id += ifnet.if_iqdrops;
sum->ift_ib += ifnet.if_ibytes;
sum->ift_op += ifnet.if_opackets;
sum->ift_oe += ifnet.if_oerrors;
sum->ift_ob += ifnet.if_obytes;
sum->ift_co += ifnet.if_collisions;
sum->ift_dr += ifnet.if_snd.ifq_drops;
off = (u_long)TAILQ_NEXT(&ifnet, if_link);
}
if (!first) {
show_stat("lu", 10, sum->ift_ip - total->ift_ip, 1);
show_stat("lu", 5, sum->ift_ie - total->ift_ie, 1);
show_stat("lu", 5, sum->ift_id - total->ift_id, 1);
show_stat("lu", 10, sum->ift_ib - total->ift_ib, 1);
show_stat("lu", 10, sum->ift_op - total->ift_op, 1);
show_stat("lu", 5, sum->ift_oe - total->ift_oe, 1);
show_stat("lu", 10, sum->ift_ob - total->ift_ob, 1);
show_stat("NRSlu", 5, sum->ift_co - total->ift_co, 1);
if (dflag)
show_stat("LSu", 5,
sum->ift_dr - total->ift_dr, 1);
}
*total = *sum;
}
if (!first)
putchar('\n');
fflush(stdout);
if ((noutputs != 0) && (--noutputs == 0))
exit(0);
oldmask = sigblock(sigmask(SIGALRM));
while (!signalled)
sigpause(0);
signalled = NO;
signalled = false;
sigsetmask(oldmask);
line++;
first = 0;
fill_iftot(new);
show_stat("lu", 10, new->ift_ip - old->ift_ip, 1);
show_stat("lu", 5, new->ift_ie - old->ift_ie, 1);
show_stat("lu", 5, new->ift_id - old->ift_id, 1);
show_stat("lu", 10, new->ift_ib - old->ift_ib, 1);
show_stat("lu", 10, new->ift_op - old->ift_op, 1);
show_stat("lu", 5, new->ift_oe - old->ift_oe, 1);
show_stat("lu", 10, new->ift_ob - old->ift_ob, 1);
show_stat("NRSlu", 5, new->ift_co - old->ift_co, 1);
/* XXXGL: output queue drops */
putchar('\n');
fflush(stdout);
if (new == &ift[0]) {
new = &ift[1];
old = &ift[0];
} else {
new = &ift[0];
old = &ift[1];
}
if (line == 21)
goto banner;
else
goto loop;
/*NOTREACHED*/
}
/*
* Set a flag to indicate that a signal from the periodic itimer has been
* caught.
*/
static void
catchalarm(int signo __unused)
{
signalled = YES;
/* NOTREACHED */
}

View File

@ -71,7 +71,7 @@ __FBSDID("$FreeBSD$");
static struct nlist nl[] = {
#define N_IFNET 0
{ .n_name = "_ifnet" },
{ .n_name = "_ifnet" }, /* XXXGL: can be deleted */
#define N_RTSTAT 1
{ .n_name = "_rtstat" },
#define N_RTREE 2
@ -552,7 +552,7 @@ main(int argc, char *argv[])
#endif
kread(0, NULL, 0);
if (iflag && !sflag) {
intpr(interval, nl[N_IFNET].n_value, NULL);
intpr(interval, NULL);
exit(0);
}
if (rflag) {
@ -636,8 +636,7 @@ printproto(struct protox *tp, const char *name)
if (sflag) {
if (iflag) {
if (tp->pr_istats)
intpr(interval, nl[N_IFNET].n_value,
tp->pr_istats);
intpr(interval, tp->pr_istats);
else if (pflag)
printf("%s: no per-interface stats routine\n",
tp->pr_name);

View File

@ -69,16 +69,16 @@ mbpr(void *kvmd, u_long mbaddr)
struct memory_type *mtp;
uintmax_t mbuf_count, mbuf_bytes, mbuf_free, mbuf_failures, mbuf_size;
uintmax_t mbuf_sleeps;
uintmax_t cluster_count, cluster_bytes, cluster_limit, cluster_free;
uintmax_t cluster_count, cluster_limit, cluster_free;
uintmax_t cluster_failures, cluster_size, cluster_sleeps;
uintmax_t packet_count, packet_bytes, packet_free, packet_failures;
uintmax_t packet_sleeps;
uintmax_t tag_count, tag_bytes;
uintmax_t jumbop_count, jumbop_bytes, jumbop_limit, jumbop_free;
uintmax_t tag_bytes;
uintmax_t jumbop_count, jumbop_limit, jumbop_free;
uintmax_t jumbop_failures, jumbop_sleeps, jumbop_size;
uintmax_t jumbo9_count, jumbo9_bytes, jumbo9_limit, jumbo9_free;
uintmax_t jumbo9_count, jumbo9_limit, jumbo9_free;
uintmax_t jumbo9_failures, jumbo9_sleeps, jumbo9_size;
uintmax_t jumbo16_count, jumbo16_bytes, jumbo16_limit, jumbo16_free;
uintmax_t jumbo16_count, jumbo16_limit, jumbo16_free;
uintmax_t jumbo16_failures, jumbo16_sleeps, jumbo16_size;
uintmax_t bytes_inuse, bytes_incache, bytes_total;
int nsfbufs, nsfbufspeak, nsfbufsused;
@ -146,7 +146,6 @@ mbpr(void *kvmd, u_long mbaddr)
goto out;
}
cluster_count = memstat_get_count(mtp);
cluster_bytes = memstat_get_bytes(mtp);
cluster_limit = memstat_get_countlimit(mtp);
cluster_free = memstat_get_free(mtp);
cluster_failures = memstat_get_failures(mtp);
@ -159,7 +158,6 @@ mbpr(void *kvmd, u_long mbaddr)
MBUF_TAG_MEM_NAME);
goto out;
}
tag_count = memstat_get_count(mtp);
tag_bytes = memstat_get_bytes(mtp);
mtp = memstat_mtl_find(mtlp, ALLOCATOR_UMA, MBUF_JUMBOP_MEM_NAME);
@ -169,7 +167,6 @@ mbpr(void *kvmd, u_long mbaddr)
goto out;
}
jumbop_count = memstat_get_count(mtp);
jumbop_bytes = memstat_get_bytes(mtp);
jumbop_limit = memstat_get_countlimit(mtp);
jumbop_free = memstat_get_free(mtp);
jumbop_failures = memstat_get_failures(mtp);
@ -183,7 +180,6 @@ mbpr(void *kvmd, u_long mbaddr)
goto out;
}
jumbo9_count = memstat_get_count(mtp);
jumbo9_bytes = memstat_get_bytes(mtp);
jumbo9_limit = memstat_get_countlimit(mtp);
jumbo9_free = memstat_get_free(mtp);
jumbo9_failures = memstat_get_failures(mtp);
@ -197,7 +193,6 @@ mbpr(void *kvmd, u_long mbaddr)
goto out;
}
jumbo16_count = memstat_get_count(mtp);
jumbo16_bytes = memstat_get_bytes(mtp);
jumbo16_limit = memstat_get_countlimit(mtp);
jumbo16_free = memstat_get_free(mtp);
jumbo16_failures = memstat_get_failures(mtp);

View File

@ -28,7 +28,7 @@
.\" @(#)netstat.1 8.8 (Berkeley) 4/18/94
.\" $FreeBSD$
.\"
.Dd May 17, 2013
.Dd October 15, 2013
.Dt NETSTAT 1
.Os
.Sh NAME
@ -94,8 +94,6 @@ retransmits, out-of-order packets received, and zero-sized windows advertised.
.Fl i | I Ar interface
.Op Fl abdhnW
.Op Fl f Ar address_family
.Op Fl M Ar core
.Op Fl N Ar system
.Ek
.Xc
Show the state of all network interfaces or a single

View File

@ -119,7 +119,7 @@ void netisr_stats(void *);
void hostpr(u_long, u_long);
void impstats(u_long, u_long);
void intpr(int, u_long, void (*)(char *));
void intpr(int, void (*)(char *));
void pr_rthdr(int);
void pr_family(int);
@ -130,7 +130,7 @@ char *ns_phost(struct sockaddr *);
void upHex(char *);
char *routename(in_addr_t);
char *netname(in_addr_t, u_long);
char *netname(in_addr_t, in_addr_t);
char *atalk_print(struct sockaddr *, int);
char *atalk_print2(struct sockaddr *, struct sockaddr *, int);
char *ipx_print(struct sockaddr *);

View File

@ -631,10 +631,9 @@ fmt_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags)
cp = routename(sockin->sin_addr.s_addr);
else if (mask)
cp = netname(sockin->sin_addr.s_addr,
ntohl(((struct sockaddr_in *)mask)
->sin_addr.s_addr));
((struct sockaddr_in *)mask)->sin_addr.s_addr);
else
cp = netname(sockin->sin_addr.s_addr, 0L);
cp = netname(sockin->sin_addr.s_addr, INADDR_ANY);
break;
}
@ -870,19 +869,21 @@ domask(char *dst, in_addr_t addr __unused, u_long mask)
/*
* Return the name of the network whose address is given.
* The address is assumed to be that of a net or subnet, not a host.
*/
char *
netname(in_addr_t in, u_long mask)
netname(in_addr_t in, in_addr_t mask)
{
char *cp = 0;
static char line[MAXHOSTNAMELEN];
struct netent *np = 0;
in_addr_t i;
/* It is ok to supply host address. */
in &= mask;
i = ntohl(in);
if (!numeric_addr && i) {
np = getnetbyaddr(i >> NSHIFT(mask), AF_INET);
np = getnetbyaddr(i >> NSHIFT(ntohl(mask)), AF_INET);
if (np != NULL) {
cp = np->n_name;
trimdomain(cp, strlen(cp));
@ -893,7 +894,7 @@ netname(in_addr_t in, u_long mask)
} else {
inet_ntop(AF_INET, &in, line, sizeof(line) - 1);
}
domask(line + strlen(line), i, mask);
domask(line + strlen(line), i, ntohl(mask));
return (line);
}

View File

@ -267,12 +267,6 @@ echo
netstat -M $VMCORE -N $KERNEL -m
echo
echo "------------------------------------------------------------------------"
echo "netstat -idW"
echo
netstat -M $VMCORE -N $KERNEL -idW
echo
echo "------------------------------------------------------------------------"
echo "netstat -anr"
echo