dracut/0125-40network-separate-mask-and-prefix.patch
Thomas Renninger 9f28177407 Accepting request 293267 from home:trenn:branches:Base:System
- Update to dracut mainline version 041.
  Half of the patches got integrated mainline.
  Some others have been merged together when it made sense some have
  been left out, but are still in the repository as they need some special
  treating and mainline discussion whether/how they get added. These are
  also not urgently needed, but are debugging patches.
  I broke the rule here to mention every added/deleted/modified patch as
  every patch is touched and every 2nd  got removed (mainline integrated).
  I also re-ordered the patches in the PatchXY: area for easier merging them
  and get them discussed and posted mainline easier, topic by topic.

OBS-URL: https://build.opensuse.org/request/show/293267
OBS-URL: https://build.opensuse.org/package/show/Base:System/dracut?expand=0&rev=214
2015-03-31 14:12:12 +00:00

168 lines
6.1 KiB
Diff

From 50f59d60577283b71da5424e30d0c5981fb74f71 Mon Sep 17 00:00:00 2001
From: Hannes Reinecke <hare@suse.de>
Date: Fri, 18 Jul 2014 10:28:00 +0200
Subject: 40network: separate 'mask' and 'prefix'
The 'mask' parameter is used for both, the (IPv4) netmask and
the prefix length. As both are in different format separate them
out into 'mask' for the netmask and 'prefix' for the prefix length.
And also prefer the use of 'prefix' where possible to ease
calculation and better IPv6 support.
References: bnc#887542
Signed-off-by: Hannes Reinecke <hare@suse.de>
---
modules.d/40network/ifup.sh | 9 ++++----
modules.d/40network/net-lib.sh | 42 +++++++++++++++++++++++++++++++++---
modules.d/40network/parse-ip-opts.sh | 2 +-
3 files changed, 45 insertions(+), 8 deletions(-)
Index: dracut-041/modules.d/40network/ifup.sh
===================================================================
--- dracut-041.orig/modules.d/40network/ifup.sh 2015-03-18 11:57:28.788553583 +0100
+++ dracut-041/modules.d/40network/ifup.sh 2015-03-18 11:57:31.032679982 +0100
@@ -222,13 +222,14 @@
linkup $netif
[ -n "$macaddr" ] && ip link set address $macaddr dev $netif
[ -n "$mtu" ] && ip link set mtu $mtu dev $netif
+ [ -n "$mask" -a -z "$prefix" ] && prefix=$(mask_to_prefix $mask)
if strglobin $ip '*:*:*'; then
# note no ip addr flush for ipv6
- ip addr add $ip/$mask ${srv:+peer $srv} dev $netif
+ ip addr add $ip/$prefix ${srv:+peer $srv} dev $netif
wait_for_ipv6_dad $netif
else
ip addr flush dev $netif
- ip addr add $ip/$mask ${srv:+peer $srv} brd + dev $netif
+ ip addr add $ip/$prefix ${srv:+peer $srv} brd + dev $netif
fi
[ -n "$gw" ] && echo ip route replace default via $gw dev $netif > /tmp/net.$netif.gw
@@ -404,7 +405,7 @@
# Pull in existing static configuration
. /etc/sysconfig/network/ifcfg-${netif}
ip=${IPADDR}
- mask=${PREFIXLEN}
+ prefix=${PREFIXLEN}
mtu=${MTU}
server=${REMOTE_IPADDR}
gw=${GATEWAY}
@@ -418,7 +419,7 @@
done
# Store config for later use
- for i in ip srv gw mask hostname macaddr dns1 dns2; do
+ for i in ip srv gw mask prefix hostname macaddr dns1 dns2; do
eval '[ "$'$i'" ] && echo '$i'="$'$i'"'
done > /tmp/net.$netif.override
Index: dracut-041/modules.d/40network/net-lib.sh
===================================================================
--- dracut-041.orig/modules.d/40network/net-lib.sh 2015-03-18 11:57:28.792553808 +0100
+++ dracut-041/modules.d/40network/net-lib.sh 2015-03-18 11:57:31.036680206 +0100
@@ -7,6 +7,35 @@
ip=${ip##* }
}
+mask_to_prefix() {
+ local mask="$1"
+ local prefix=0
+ local OLDIFS="$IFS"
+
+ IFS=:
+ set -- $mask
+ IFS="$OLDIFS"
+ for mask in $@ ; do
+ if [ "$mask" -eq 255 ] ; then
+ prefix=$(($prefix + 8))
+ elif [ "$mask" -eq 254 ] ; then
+ prefix=$(($prefix + 7))
+ elif [ "$mask" -eq 252 ] ; then
+ prefix=$(($prefix + 6))
+ elif [ "$mask" -eq 248 ] ; then
+ prefix=$(($prefix + 5))
+ elif [ "$mask" -eq 240 ] ; then
+ prefix=$(($prefix + 4))
+ elif [ "$mask" -eq 224 ] ; then
+ prefix=$(($prefix + 3))
+ elif [ "$mask" -eq 192 ] ; then
+ prefix=$(($prefix + 2))
+ elif [ "$mask" -eq 128 ] ; then
+ prefix=$(($prefix + 1))
+ fi
+ done
+}
+
iface_for_remote_addr() {
set -- $(ip -o route get to $1)
echo $5
@@ -204,7 +233,7 @@
for iface in /sys/firmware/ibft/ethernet*; do
local mac="" dev=""
local dhcp="" ip="" gw="" mask="" hostname=""
- local dns1 dns2
+ local dns1 dns2 prefix
[ -e ${iface}/mac ] || continue
mac=$(read a < ${iface}/mac; echo $a)
@@ -249,6 +278,7 @@
[ -e ${iface}/hostname ] && hostname=$(read a < ${iface}/hostname; echo $a)
if [ "$family" = "ipv6" ] ; then
if [ -n "$ip" ] ; then
+ # Prefix defaults to 64 for IPv6
[ -n "$prefix" ] || prefix=64
ip="[${ip}/${prefix}]"
mask=
@@ -256,6 +286,11 @@
if [ -n "$gw" ] ; then
gw="[${gw}]"
fi
+ else
+ if [ -n "$prefix" ] ; then
+ ip="$ip/$prefix"
+ mask=
+ fi
fi
if [ -n "$ip" ] && [ -n "$mask" -o -n "$prefix" ]; then
echo "ip=$ip::$gw:$mask:$hostname:$dev:none${dns1:+:$dns1}${dns2:+:$dns2}"
@@ -264,6 +299,7 @@
warn "ip-addr=$ip"
warn "gateway=$gw"
warn "subnet-mask=$mask"
+ warn "prefix-len=$prefix"
warn "hostname=$hostname"
fi
else
@@ -411,7 +447,7 @@
fi
done
- unset ip srv gw mask hostname dev autoconf macaddr mtu dns1 dns2
+ unset ip srv gw mask prefix hostname dev autoconf macaddr mtu dns1 dns2
case $# in
0) autoconf="error" ;;
1) autoconf=$1 ;;
@@ -439,7 +475,7 @@
# Extract prefix length from CIDR notation
case $ip in
*/*)
- mask=${ip##*/}
+ prefix=${ip##*/}
ip=${ip%/*}
;;
esac
Index: dracut-041/modules.d/40network/parse-ip-opts.sh
===================================================================
--- dracut-041.orig/modules.d/40network/parse-ip-opts.sh 2015-03-18 11:57:31.044680739 +0100
+++ dracut-041/modules.d/40network/parse-ip-opts.sh 2015-03-18 11:58:13.727085881 +0100
@@ -77,7 +77,7 @@
none|off)
[ -z "$ip" ] && \
die "For argument 'ip=$p'\nValue '$autoopt' without static configuration does not make sense"
- [ -z "$mask" ] && \
+ [ -z "$mask" -a -z "$prefix" ] && \
die "Sorry, automatic calculation of netmask is not yet supported"
;;
auto6);;