File 0217-95fcoe-Allow-to-specify-the-FCoE-mode-via-the-fcoe-p.patch of Package dracut.13287
From 77a524b3659529b14abfdb574094b92216b59af5 Mon Sep 17 00:00:00 2001
From: Hannes Reinecke <hare@suse.de>
Date: Wed, 24 Aug 2016 08:32:04 +0200
Subject: [PATCH] 95fcoe: Allow to specify the FCoE mode via the fcoe=
parameter
FCoE can run in Fabric (ie FCF) or VN2VN mode, so we should allowing
to set this parameter from the commandline, too.
Signed-off-by: Hannes Reinecke <hare@suse.com>
---
dracut.cmdline.7.asc | 8 +++++---
modules.d/95fcoe/fcoe-genrules.sh | 4 ++--
modules.d/95fcoe/fcoe-up.sh | 9 +++++++--
modules.d/95fcoe/module-setup.sh | 8 +++++++-
modules.d/95fcoe/parse-fcoe.sh | 22 ++++++++++++++++++----
5 files changed, 39 insertions(+), 12 deletions(-)
diff --git a/dracut.cmdline.7.asc b/dracut.cmdline.7.asc
index 7368aa1..b885946 100644
--- a/dracut.cmdline.7.asc
+++ b/dracut.cmdline.7.asc
@@ -746,10 +746,12 @@ iscsistart -b --param node.session.timeo.replacement_timeout=30
FCoE
~~~~
-**fcoe=**__<edd|interface|MAC>__:__{dcb|nodcb}__::
+**fcoe=**__<edd|interface|MAC>__:__{dcb|nodcb}__:__{fabric|vn2vn}__::
Try to connect to a FCoE SAN through the NIC specified by _<interface>_ or
- _<MAC>_ or EDD settings. For the second argument, currently only nodcb is
- supported. This parameter can be specified multiple times.
+ _<MAC>_ or EDD settings. The second argument specifies if DCB
+ should be used. The optional third argument specifies whether
+ fabric or VN2VN mode should be used.
+ This parameter can be specified multiple times.
+
NOTE: letters in the MAC-address must be lowercase!
diff --git a/modules.d/95fcoe/fcoe-genrules.sh b/modules.d/95fcoe/fcoe-genrules.sh
index eb58601..af15a58 100755
--- a/modules.d/95fcoe/fcoe-genrules.sh
+++ b/modules.d/95fcoe/fcoe-genrules.sh
@@ -7,8 +7,8 @@
# Write udev rules
{
if [ -n "$fcoe_mac" ] ; then
- printf 'ACTION=="add", SUBSYSTEM=="net", ATTR{address}=="%s", RUN+="/sbin/initqueue --onetime --unique --name fcoe-up-$env{INTERFACE} /sbin/fcoe-up $env{INTERFACE} %s"\n' "$fcoe_mac" "$fcoe_dcb"
+ printf 'ACTION=="add", SUBSYSTEM=="net", ATTR{address}=="%s", RUN+="/sbin/initqueue --onetime --unique --name fcoe-up-$env{INTERFACE} /sbin/fcoe-up $env{INTERFACE} %s"\n' "$fcoe_mac" "$fcoe_dcb" "$fcoe_mode"
else
- printf 'ACTION=="add", SUBSYSTEM=="net", NAME=="%s", RUN+="/sbin/initqueue --onetime --unique --name fcoe-up-$env{INTERFACE} /sbin/fcoe-up $env{INTERFACE} %s"\n' "$fcoe_interface" "$fcoe_dcb"
+ printf 'ACTION=="add", SUBSYSTEM=="net", NAME=="%s", RUN+="/sbin/initqueue --onetime --unique --name fcoe-up-$env{INTERFACE} /sbin/fcoe-up $env{INTERFACE} %s"\n' "$fcoe_interface" "$fcoe_dcb" "$fcoe_mode"
fi
} >> /etc/udev/rules.d/92-fcoe.rules
diff --git a/modules.d/95fcoe/fcoe-up.sh b/modules.d/95fcoe/fcoe-up.sh
index 662b21a..ffcc4e3 100755
--- a/modules.d/95fcoe/fcoe-up.sh
+++ b/modules.d/95fcoe/fcoe-up.sh
@@ -1,7 +1,7 @@
#!/bin/sh
#
# We get called like this:
-# fcoe-up <network-device> <dcb|nodcb>
+# fcoe-up <network-device> <dcb|nodcb> <fabric|vn2vn>
#
# Note currently only nodcb is supported, the dcb option is reserved for
# future use.
@@ -15,6 +15,7 @@ type ip_to_var >/dev/null 2>&1 || . /lib/net-lib.sh
netif=$1
dcb=$2
+mode=$3
vlan="yes"
iflink=$(cat /sys/class/net/$netif/iflink)
@@ -43,7 +44,11 @@ write_fcoemon_cfg() {
else
echo AUTO_VLAN=\"no\" >> /etc/fcoe/cfg-$netif
fi
- echo MODE=\"fabric\" >> /etc/fcoe/cfg-$netif
+ if [ "$mode" = "vn2vn" ] ; then
+ echo MODE=\"vn2vn\" >> /etc/fcoe/cfg-$netif
+ else
+ echo MODE=\"fabric\" >> /etc/fcoe/cfg-$netif
+ fi
}
if [ "$netdriver" = "bnx2x" ]; then
diff --git a/modules.d/95fcoe/module-setup.sh b/modules.d/95fcoe/module-setup.sh
index 18c00b3..2a5c71a 100755
--- a/modules.d/95fcoe/module-setup.sh
+++ b/modules.d/95fcoe/module-setup.sh
@@ -44,7 +44,13 @@ cmdline() {
for c in /sys/bus/fcoe/devices/ctlr_* ; do
[ -L $c ] || continue
read enabled < $c/enabled
+ read mode < $c/mode
[ $enabled -eq 0 ] && continue
+ if [ $mode = "VN2VN" ] ; then
+ mode="vn2vn"
+ else
+ mode="fabric"
+ fi
d=$(cd -P $c; echo $PWD)
i=${d%/*}
read mac < ${i}/address
@@ -60,7 +66,7 @@ cmdline() {
else
dcb="nodcb"
fi
- echo "fcoe=${mac}:${dcb}"
+ echo "fcoe=${mac}:${dcb}:${mode}"
done
}
diff --git a/modules.d/95fcoe/parse-fcoe.sh b/modules.d/95fcoe/parse-fcoe.sh
index 9f47184..75cca9a 100755
--- a/modules.d/95fcoe/parse-fcoe.sh
+++ b/modules.d/95fcoe/parse-fcoe.sh
@@ -1,8 +1,8 @@
#!/bin/sh
#
# Supported formats:
-# fcoe=<networkdevice>:<dcb|nodcb>
-# fcoe=<macaddress>:<dcb|nodcb>
+# fcoe=<networkdevice>:<dcb|nodcb>:<fabric|vn2vn>
+# fcoe=<macaddress>:<dcb|nodcb>:<fabric|vn2vn>
#
# Note currently only nodcb is supported, the dcb option is reserved for
# future use.
@@ -10,8 +10,8 @@
# Note letters in the macaddress must be lowercase!
#
# Examples:
-# fcoe=eth0:nodcb
-# fcoe=4a:3f:4c:04:f8:d7:nodcb
+# fcoe=eth0:nodcb:vn2vn
+# fcoe=4a:3f:4c:04:f8:d7:nodcb:fabric
[ -z "$fcoe" ] && fcoe=$(getarg fcoe=)
@@ -32,11 +32,25 @@ parse_fcoe_opts() {
2)
fcoe_interface=$1
fcoe_dcb=$2
+ fcoe_mode="fabric"
+ return 0
+ ;;
+ 3)
+ fcoe_interface=$1
+ fcoe_dcb=$2
+ fcoe_mode=$3
return 0
;;
7)
fcoe_mac=$1:$2:$3:$4:$5:$6
fcoe_dcb=$7
+ fcoe_mode="fabric"
+ return 0
+ ;;
+ 8)
+ fcoe_mac=$1:$2:$3:$4:$5:$6
+ fcoe_dcb=$7
+ fcoe_mode=$8
return 0
;;
*)
--
2.6.6