Author: garga (ports committer)
Date: Thu Jul 2 10:31:08 2015
New Revision: 285022
URL: https://svnweb.freebsd.org/changeset/base/285022
Log:
MFC r265096:
Fix "netstat -gW" behavior broken in r259638.
netstat has two options for printing multicast tables:
sysctl (the default one for live systems) and kvm-based one (for cores).
It looks like kvm-based one hasn't been working since it's been introduced
in r190012 due to absence of mfctablesize kernel symbol.
Check for all ipv4-multicast symbols being correctly resolved was introduced
in r259638 regardless of 'live' value leading to "No IPv4 MROUTING" error
message.
Reported by: Olivier Cochard-Labbé
Approved by: melifaro@
Sponsored by: Netgate
Modified:
stable/10/usr.bin/netstat/mroute.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/usr.bin/netstat/mroute.c
==============================================================================
--- stable/10/usr.bin/netstat/mroute.c Thu Jul 2 08:32:02 2015
(r285021)
+++ stable/10/usr.bin/netstat/mroute.c Thu Jul 2 10:31:08 2015
(r285022)
@@ -236,16 +236,7 @@ mroutepr()
* functionality was deprecated, as PIM does not use it.
*/
maxvif = 0;
-
- kresolve_list(mrl);
- pmfchashtbl = mrl[N_MFCHASHTBL].n_value;
- pmfctablesize = mrl[N_MFCTABLESIZE].n_value;
- pviftbl = mrl[N_VIFTABLE].n_value;
-
- if (pmfchashtbl == 0 || pmfctablesize == 0 || pviftbl == 0) {
- fprintf(stderr, "No IPv4 MROUTING kernel support.\n");
- return;
- }
+ pmfchashtbl = pmfctablesize = pviftbl = 0;
len = sizeof(viftable);
if (live) {
@@ -254,8 +245,19 @@ mroutepr()
warn("sysctl: net.inet.ip.viftable");
return;
}
- } else
+ } else {
+ kresolve_list(mrl);
+ pmfchashtbl = mrl[N_MFCHASHTBL].n_value;
+ pmfctablesize = mrl[N_MFCTABLESIZE].n_value;
+ pviftbl = mrl[N_VIFTABLE].n_value;
+
+ if (pmfchashtbl == 0 || pmfctablesize == 0 || pviftbl == 0) {
+ fprintf(stderr, "No IPv4 MROUTING kernel support.\n");
+ return;
+ }
+
kread(pviftbl, (char *)viftable, sizeof(viftable));
+ }
banner_printed = 0;
for (vifi = 0, v = viftable; vifi < MAXVIFS; ++vifi, ++v) {
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