Date: Mon, 7 Dec 2009 07:41:30 +0000 (UTC) From: Hiroki Sato <hrs@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r200209 - stable/8/etc Message-ID: <200912070741.nB77fUOh045409@svn.freebsd.org>
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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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