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Use sysctl(2), not kvm(3), to read IPv6 multicast information from

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the running system.
Use the name 'IPv6 Forwarding Table', not 'IPv6 Routing Table', to be
consistent with what the code actually does and is.
This commit is contained in:
Bruce M Simpson 2007-02-24 21:58:30 +00:00
parent 848b41603f
commit c15ddad979
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=166952
2 changed files with 60 additions and 21 deletions
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15
usr.bin/netstat/inet6.c
View File

@ -66,6 +66,7 @@ __FBSDID("$FreeBSD$");
#include <arpa/inet.h>
#include <netdb.h>
#include <err.h>
#include <stdint.h>
#include <stdio.h>
#include <errno.h>
@ -995,12 +996,18 @@ icmp6_ifstats(char *ifname)
void
pim6_stats(u_long off __unused, const char *name, int af1 __unused)
{
struct pim6stat pim6stat;
struct pim6stat pim6stat, zerostat;
size_t len = sizeof pim6stat;
if (off == 0)
return;
if (kread(off, (char *)&pim6stat, sizeof(pim6stat)))
/* TODO put back the KVM functionality for -M switch ie coredumps. */
if (zflag)
memset(&zerostat, 0, len);
if (sysctlbyname("net.inet6.pim.stats", &pim6stat, &len,
zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
if (errno != ENOENT)
warn("sysctl: net.inet6.pim.stats");
return;
}
printf("%s:\n", name);
#define p(f, m) if (pim6stat.f || sflag <= 1) \

66
usr.bin/netstat/mroute6.c
View File

@ -74,7 +74,10 @@ __FBSDID("$FreeBSD$");
#include <sys/queue.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/sysctl.h>
#include <sys/protosw.h>
#include <sys/mbuf.h>
#include <sys/time.h>
#include <net/if.h>
#include <net/if_var.h>
@ -82,8 +85,10 @@ __FBSDID("$FreeBSD$");
#include <netinet/in.h>
#include <err.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#define KERNEL 1
#include <netinet6/ip6_mroute.h>
@ -108,19 +113,24 @@ mroute6pr(u_long mfcaddr, u_long mifaddr)
int saved_numeric_addr;
mifi_t maxmif = 0;
long int waitings;
size_t len;
/* XXX: sysctl not yet implemented for mif6table. */
if (mfcaddr == 0 || mifaddr == 0) {
printf("No IPv6 multicast forwarding configured in the "
"running system.\n");
return;
len = sizeof(mif6table);
if (sysctlbyname("net.inet6.ip6.mif6table", mif6table, &len,
NULL, 0) < 0) {
warn("sysctl: net.inet6.ip6.mif6table");
if (mifaddr == 0) {
printf("No IPv6 multicast forwarding configured in "
"the running system.\n");
return;
}
kread(mifaddr, (char *)mif6table, sizeof(mif6table));
}
saved_numeric_addr = numeric_addr;
numeric_addr = 1;
kread(mifaddr, (char *)&mif6table, sizeof(mif6table));
banner_printed = 0;
for (mifi = 0, mifp = mif6table; mifi < MAXMIFS; ++mifi, ++mifp) {
struct ifnet ifnet;
char ifname[IFNAMSIZ];
@ -128,7 +138,9 @@ mroute6pr(u_long mfcaddr, u_long mifaddr)
if (mifp->m6_ifp == NULL)
continue;
/* XXX KVM */
kread((u_long)mifp->m6_ifp, (char *)&ifnet, sizeof(ifnet));
maxmif = mifi;
if (!banner_printed) {
printf("\nIPv6 Multicast Interface Table\n"
@ -148,9 +160,25 @@ mroute6pr(u_long mfcaddr, u_long mifaddr)
if (!banner_printed)
printf("\nIPv6 Multicast Interface Table is empty\n");
/* XXX: sysctl not yet implemented for mf6ctable. */
kread(mfcaddr, (char *)&mf6ctable, sizeof(mf6ctable));
len = sizeof(mf6ctable);
if (sysctlbyname("net.inet6.ip6.mf6ctable", mf6ctable, &len,
NULL, 0) < 0) {
warn("sysctl: net.inet6.ip6.mf6ctable");
if (mfcaddr == 0) {
printf("No IPv6 multicast forwarding configured in "
"the running system.\n");
return;
}
/*
* XXX: Try KVM if the module is neither compiled nor loaded.
* The correct behaviour would be to always use KVM if
* the -M option is specified to netstat(1).
*/
kread(mfcaddr, (char *)mf6ctable, sizeof(mf6ctable));
}
banner_printed = 0;
for (i = 0; i < MF6CTBLSIZ; ++i) {
mfcp = mf6ctable[i];
while(mfcp) {
@ -172,6 +200,7 @@ mroute6pr(u_long mfcaddr, u_long mifaddr)
for (waitings = 0, rtep = mfc.mf6c_stall; rtep; ) {
waitings++;
/* XXX KVM */
kread((u_long)rtep, (char *)&rte, sizeof(rte));
rtep = rte.next;
}
@ -191,7 +220,7 @@ mroute6pr(u_long mfcaddr, u_long mifaddr)
}
}
if (!banner_printed)
printf("\nIPv6 Multicast Routing Table is empty\n");
printf("\nIPv6 Multicast Forwarding Table is empty\n");
printf("\n");
numeric_addr = saved_numeric_addr;
@ -201,15 +230,18 @@ void
mrt6_stats(u_long mstaddr)
{
struct mrt6stat mrtstat;
size_t len = sizeof mrtstat;
/* XXX: sysctl not yet implemented for mrt6stat. */
if (mstaddr == 0) {
printf("No IPv6 multicast forwarding configured in the "
"running system.\n");
return;
if (sysctlbyname("net.inet6.ip6.mrt6stat", &mrtstat, &len,
NULL, 0) < 0) {
warn("sysctl: net.inet6.ip6.mrt6stat");
if (mstaddr == 0) {
printf("No IPv6 multicast forwarding configured in the "
"running system.\n");
return;
}
kread(mstaddr, (char *)&mrtstat, sizeof(mrtstat));
}
kread(mstaddr, (char *)&mrtstat, sizeof(mrtstat));
printf("IPv6 multicast forwarding:\n");
#define p(f, m) if (mrtstat.f || sflag <= 1) \