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Change wording of warnings when there is no ip_mroute.ko module

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loaded into the system.
Change wording of comments to reflect the fact we should unconditionally
use KVM if the -M option is used to specify a core file.
Add comments to document the fact that IPv6 multicast forwarding
information display still relies on KVM for gathering information.
This commit is contained in:
Bruce M Simpson 2007-02-21 13:41:51 +00:00
parent 0754972c5c
commit ab8e5cbf16
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=166869
2 changed files with 19 additions and 11 deletions
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19
usr.bin/netstat/mroute.c
View File

@ -86,24 +86,28 @@ mroutepr(u_long mfcaddr, u_long vifaddr)
len = sizeof(mfctable);
if (sysctlbyname("net.inet.ip.mfctable", mfctable, &len, NULL, 0) < 0) {
warn("sysctl: net.inet.ip.mfctable");
/* Compatability with older kernels - candidate for removal */
if (mfcaddr == 0) {
printf("No IPv4 multicast routing compiled into this system.\n");
printf("No IPv4 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 *)mfctable, sizeof(mfctable));
}
len = sizeof(viftable);
if (sysctlbyname("net.inet.ip.viftable", viftable, &len, NULL, 0) < 0) {
warn("sysctl: net.inet.ip.viftable");
/* Compatability with older kernels - candidate for removal */
if (vifaddr == 0) {
printf("No IPv4 multicast routing compiled into this system.\n");
printf("No IPv4 multicast forwarding configured in "
"the running system.\n");
return;
}
/* XXX KVM */
kread(vifaddr, (char *)viftable, sizeof(viftable));
}
@ -275,7 +279,8 @@ mrt_stats(u_long mstaddr)
warn("sysctl: net.inet.ip.mrtstat");
/* Compatability with older kernels - candidate for removal */
if (mstaddr == 0) {
printf("No IPv4 multicast routing compiled into this system.\n");
printf("No IPv4 multicast forwarding configured in "
"the running system.\n");
return;
}

11
usr.bin/netstat/mroute6.c
View File

@ -109,9 +109,10 @@ mroute6pr(u_long mfcaddr, u_long mifaddr)
mifi_t maxmif = 0;
long int waitings;
/* XXX: sysctl not yet implemented for mif6table. */
if (mfcaddr == 0 || mifaddr == 0) {
printf("No IPv6 multicast routing compiled into this"
" system.\n");
printf("No IPv6 multicast forwarding configured in the "
"running system.\n");
return;
}
@ -147,6 +148,7 @@ 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));
banner_printed = 0;
for (i = 0; i < MF6CTBLSIZ; ++i) {
@ -200,9 +202,10 @@ mrt6_stats(u_long mstaddr)
{
struct mrt6stat mrtstat;
/* XXX: sysctl not yet implemented for mrt6stat. */
if (mstaddr == 0) {
printf("No IPv6 multicast routing compiled into this"
" system.\n");
printf("No IPv6 multicast forwarding configured in the "
"running system.\n");
return;
}