#!/bin/sh

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#

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# We get called like this:

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# fcoe-up <network-device> <dcb|nodcb> <fabric|vn2vn>

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#

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# Note currently only nodcb is supported, the dcb option is reserved for

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# future use.

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PATH=/usr/sbin:/usr/bin:/sbin:/bin

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type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh

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type ip_to_var >/dev/null 2>&1 || . /lib/net-lib.sh

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# Huh? Missing arguments ??

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[ -z "$1" -o -z "$2" ] && exit 1

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netif=$1

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dcb=$2

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mode=$3

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vlan="yes"

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iflink=$(cat /sys/class/net/$netif/iflink)

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ifindex=$(cat /sys/class/net/$netif/ifindex)

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if [ "$iflink" != "$ifindex" ] ; then

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# Skip VLAN devices

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exit 0

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fi

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ip link set dev $netif up

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linkup "$netif"

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# Some fcoemon implementations expect --syslog=true

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syslogopt="--syslog"

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if fcoemon -h|grep syslog|grep -q yes; then

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fcoemonyes="$syslogopt=yes"

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fi

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netdriver=$(readlink -f /sys/class/net/$netif/device/driver)

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netdriver=${netdriver##*/}

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write_fcoemon_cfg() {

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[ -f /etc/fcoe/cfg-$netif ] && return

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echo FCOE_ENABLE=\"yes\" > /etc/fcoe/cfg-$netif

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if [ "$dcb" = "dcb" ]; then

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echo DCB_REQUIRED=\"yes\" >> /etc/fcoe/cfg-$netif

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else

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echo DCB_REQUIRED=\"no\" >> /etc/fcoe/cfg-$netif

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fi

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if [ "$vlan" = "yes" ]; then

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echo AUTO_VLAN=\"yes\" >> /etc/fcoe/cfg-$netif

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else

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echo AUTO_VLAN=\"no\" >> /etc/fcoe/cfg-$netif

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fi

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if [ "$mode" = "vn2vn" ] ; then

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echo MODE=\"vn2vn\" >> /etc/fcoe/cfg-$netif

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else

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echo MODE=\"fabric\" >> /etc/fcoe/cfg-$netif

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fi

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}

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if [ "$netdriver" = "bnx2x" ]; then

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# If driver is bnx2x, do not use /sys/module/fcoe/parameters/create but fipvlan

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modprobe 8021q

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udevadm settle --timeout=30

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# Sleep for 13 s to allow dcb negotiation

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sleep 13

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fipvlan "$netif" -c -s

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need_shutdown

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exit

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fi

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if [ "$dcb" = "dcb" ]; then

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# wait for lldpad to be ready

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i=0

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while [ $i -lt 60 ]; do

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lldptool -p && break

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info "Waiting for lldpad to be ready"

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sleep 1

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i=$(($i+1))

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done

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while [ $i -lt 60 ]; do

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dcbtool sc "$netif" dcb on && break

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info "Retrying to turn dcb on"

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sleep 1

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i=$(($i+1))

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done

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while [ $i -lt 60 ]; do

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dcbtool sc "$netif" pfc e:1 a:1 w:1 && break

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info "Retrying to turn dcb on"

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sleep 1

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i=$(($i+1))

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done

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while [ $i -lt 60 ]; do

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dcbtool sc "$netif" app:fcoe e:1 a:1 w:1 && break

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info "Retrying to turn fcoe on"

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sleep 1

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i=$(($i+1))

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done

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sleep 1

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fi

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write_fcoemon_cfg

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fcoemon $syslogopt

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need_shutdown

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