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From 30e20744477c18a70c4f487275f2a8e957fca555 Mon Sep 17 00:00:00 2001
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From: Harald Hoyer <harald@redhat.com>
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Date: Thu, 27 Feb 2014 12:11:20 +0100
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Subject: [PATCH] network: IPv6 status, wait for tentative flag to be cleared
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also do not arping the IPv6 address.
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---
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modules.d/40network/ifup.sh | 1 +
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modules.d/40network/net-lib.sh | 16 ++++++++++++++--
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2 files changed, 15 insertions(+), 2 deletions(-)
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diff --git a/modules.d/40network/ifup.sh b/modules.d/40network/ifup.sh
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index 33ec81d..e439106 100755
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--- a/modules.d/40network/ifup.sh
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+++ b/modules.d/40network/ifup.sh
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@@ -136,6 +136,7 @@ do_static() {
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if strstr $ip '*:*:*'; then
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# note no ip addr flush for ipv6
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ip addr add $ip/$mask ${srv:+peer $srv} dev $netif
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+ wait_for_ipv6_dad $netif
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else
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ip addr flush dev $netif
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ip addr add $ip/$mask ${srv:+peer $srv} brd + dev $netif
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diff --git a/modules.d/40network/net-lib.sh b/modules.d/40network/net-lib.sh
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index 4e1b019..a586711 100755
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--- a/modules.d/40network/net-lib.sh
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+++ b/modules.d/40network/net-lib.sh
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@@ -123,8 +123,8 @@ setup_net() {
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read layer2 < /sys/class/net/$netif/device/layer2
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fi
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- if [ "$layer2" != "0" ] && [ -n "$dest" ] && ! arping -q -f -w 60 -I $netif $dest ; then
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- info "Resolving $dest via ARP on $netif failed"
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+ if [ "$layer2" != "0" ] && [ -n "$dest" ] && ! strstr "$dest" ":"; then
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+ arping -q -f -w 60 -I $netif $dest || info "Resolving $dest via ARP on $netif failed"
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fi
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unset layer2
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@@ -451,6 +451,18 @@ wait_for_route_ok() {
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return 1
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}
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+wait_for_ipv6_dad() {
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+ local cnt=0
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+ local li
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+ while [ $cnt -lt 500 ]; do
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+ li=$(ip -6 addr show dev $1)
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+ strstr "$li" "tentative" || return 0
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+ sleep 0.1
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+ cnt=$(($cnt+1))
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+ done
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+ return 1
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+}
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+
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wait_for_ipv6_auto() {
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local cnt=0
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local li
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