From 002ed645baad470e826bb7206d2d48800c1263f9 Mon Sep 17 00:00:00 2001
From: Karsten Hopp <karsten@redhat.com>
Date: Tue, 18 May 2004 12:30:49 +0000
Subject: - add support for mainframe ccwgroup devices (QETH/HSI/CTC/LCS)

---
 sysconfig/network-scripts/ifup-ctc          |  2 ++
 sysconfig/network-scripts/network-functions | 28 ++++++++++++++++++++++++++++
 2 files changed, 30 insertions(+)

(limited to 'sysconfig/network-scripts')

diff --git a/sysconfig/network-scripts/ifup-ctc b/sysconfig/network-scripts/ifup-ctc
index 15860fed..b9b38196 100755
--- a/sysconfig/network-scripts/ifup-ctc
+++ b/sysconfig/network-scripts/ifup-ctc
@@ -23,6 +23,8 @@ then
 fi
 [ -n "${MTU}" ] && opts="${opts} mtu ${MTU}"
 
+configure_ccwgroup_device
+
 ifconfig ${DEVICE} ${IPADDR} ${opts} pointopoint ${REMIP} netmask ${NETMASK}
 
 # Wait for the device to come up - the chandev'ified ctc driver can take
diff --git a/sysconfig/network-scripts/network-functions b/sysconfig/network-scripts/network-functions
index b6817dfb..a7a8c91b 100644
--- a/sysconfig/network-scripts/network-functions
+++ b/sysconfig/network-scripts/network-functions
@@ -185,6 +185,9 @@ is_available ()
       return 1
     }
     echo "$HOTPLUG"  > /proc/sys/kernel/hotplug
+    # if it is a mainframe ccwgroup device, configure it before
+    # trying to rename it:
+    configure_ccwgroup_device
     if [ -n "$HWADDR" ]; then
        local curdev=`ip -o link | awk -F ':' -vIGNORECASE=1 '/$HWADDR/ { print $2 }'`
        rename_device "$1" "$HWADDR" "$curdev"
@@ -317,3 +320,28 @@ is_wireless_device ()
     LC_ALL=C iwconfig $1 2>&1 | grep -q "no wireless extensions" || return 0
     return 1
 }
+
+# Mainframe devices:
+configure_ccwgroup_device ()
+{
+    local DIR SYSDIR
+    # SUBCHANNELS is only set on mainframe ccwgroup devices
+    [ -z "$SUBCHANNELS" ] && return
+    if [ "$TYPE" = "QETH" -o "$TYPE" = "HSI" ]; then
+         DIR="/sys/bus/ccwgroup/drivers/qeth"
+    elif
+       [ "$TYPE" = "CTC" -o "$TYPE" = "ESCON" ]; then
+         DIR="/sys/bus/ccwgroup/drivers/ctc"
+    elif
+       [ "$TYPE" = "LCS" ]; then
+         DIR="/sys/bus/ccwgroup/drivers/lcs"
+    else
+       return
+    fi
+    SYSDIR="$DIR/${SUBCHANNELS//,*/}"
+    [ ! -e $DIR/group ] && return
+    echo "$SUBCHANNELS" > $DIR/group
+    [ -n "$PORTNAME" -a -e $SYSDIR/portname ] && \
+         echo "$PORTNAME" > $SYSDIR/portname
+    [ -e $SYSDIR/online ] && echo 1 > $SYSDIR/online
+}
-- 
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