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check for IPv6 kernel by exit status of "ifconfig lo0 inet6". 

now IPv6 portion of netstart does not require /usr mount, it will mount it
as necessary (like pppd configuration do).

thanks goes to christos for the tip.
This commit is contained in:
itojun 1999-12-20 15:12:23 +00:00
parent ece19a5225
commit c7a34c1de0
2 changed files with 17 additions and 7 deletions
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20
etc/netstart
View File

@ -1,6 +1,6 @@
#!/bin/sh -
#
# $NetBSD: netstart,v 1.65 1999/12/09 14:18:07 itojun Exp $
# $NetBSD: netstart,v 1.66 1999/12/20 15:12:23 itojun Exp $
# from: @(#)netstart 8.1 (Berkeley) 7/23/93
if [ -f /etc/rc.subr ]; then
@ -199,10 +199,15 @@ fi
# IPv6
# Note that manual configuration can be done in the above, using ifconfig.
dadcount=`sysctl -n net.inet6.ip6.dad_count 2>/dev/null`
if [ "x$dadcount" = "x" ]; then
# IPv6 is not configured in the kernel. do not bother.
ifconfig lo0 inet6 >/dev/null 2>&1
if [ $? -ne 0 ]; then
# We do not have IPv6 support in kernel.
if checkyesno ip6forwarding || checkyesno rtsol; then
echo "WARNING: ip6 requested without kernel IPv6 config"
fi
else
# We have IPv6 support in kernel.
# disallow scoped unicast dest without outgoing scope identifiers.
route add -inet6 fe80:: -prefixlen 10 ::1 -reject
route add -inet6 fc80:: -prefixlen 10 ::1 -reject
@ -212,6 +217,9 @@ else
route add -inet6 ::ffff:0.0.0.0 -prefixlen 96 ::1 -reject
route add -inet6 ::0.0.0.0 -prefixlen 96 ::1 -reject
# sysctl is in /usr - need to ensure it is mounted
mount /usr >/dev/null 2>&1
sysctl -w net.inet6.ip6.forwarding=0
sysctl -w net.inet6.ip6.accept_rtadv=0
if checkyesno ip6forwarding; then
@ -227,8 +235,10 @@ else
rtsol $rtsol_flags
fi
fi
# wait till DAD is completed.
# outside of the loop in case ifconfig is used
# always invoke it in case if are configured manually by ifconfig
dadcount=`sysctl -n net.inet6.ip6.dad_count 2>/dev/null`
sleep $dadcount
sleep 1
fi

4
etc/rc.conf
View File

@ -1,4 +1,4 @@
# $NetBSD: rc.conf,v 1.63 1999/12/06 20:38:13 abs Exp $
# $NetBSD: rc.conf,v 1.64 1999/12/20 15:12:23 itojun Exp $
#
# see rc.conf(5) for more information.
@ -28,7 +28,7 @@ defaultroute="" # if blank, use /etc/mygate
domainname="" # if blank, use /etc/defaultdomain
# Filesystems to mount early in boot-up
critical_filesystems_beforenet="/usr /var" # "netstart" needs /usr
critical_filesystems_beforenet="/var"
critical_filesystems=""
# Set this to YES if you have purposefully setup no swap partitions and