Author: hrs
Date: Mon Dec 7 07:41:29 2009
New Revision: 200209
URL: http://svn.freebsd.org/changeset/base/200209
Log:
MFC:
r197139
- Add afexists() to check if the specified address family exists
on the system or not.
r197697
- Add AF_IPX and AF_NATM to afexists().
Modified:
stable/8/etc/network.subr
Directory Properties:
stable/8/etc/ (props changed)
Modified: stable/8/etc/network.subr
==============================================================================
--- stable/8/etc/network.subr Mon Dec 7 07:33:51 2009 (r200208)
+++ stable/8/etc/network.subr Mon Dec 7 07:41:29 2009 (r200209)
@@ -276,6 +276,37 @@ wpaif()
return 1
}
+# afexists af
+# Returns 0 if the address family is enabled in the kernel
+# 1 otherwise.
+afexists()
+{
+ local _af
+ _af=$1
+
+ case ${_af} in
+ inet)
+ ${SYSCTL_N} net.inet > /dev/null 2>&1
+ ;;
+ inet6)
+ ${SYSCTL_N} net.inet6 > /dev/null 2>&1
+ ;;
+ ipx)
+ ${SYSCTL_N} net.ipx > /dev/null 2>&1
+ ;;
+ atm)
+ if [ -x /sbin/atmconfig ]; then
+ /sbin/atmconfig diag list > /dev/null 2>&1
+ else
+ return 1
+ fi
+ ;;
+ *)
+ err 1 "afexists(): Unsupported address family: $_af"
+ ;;
+ esac
+}
+
# ipv6if if
# Returns 0 if the interface should be configured for IPv6 and
# 1 otherwise.
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