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From bff5416520f950942b4040ed10281d2ccaf9f09a Mon Sep 17 00:00:00 2001
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From: Hannes Reinecke <hare@suse.de>
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Date: Thu, 25 Feb 2016 20:58:11 +0800
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Subject: [PATCH] 95iscsi: Fixup bnx2i offload booting
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bnx2i is using a separate iSCSI offload engine with a separate
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MAC address. As a result, the iBFT information is displaying
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a MAC address which does not relate to any MAC address from
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the network interfaces.
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In addition, the iSCSI offload engine works independently on
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the NIC, so we do not need to enable the NIC for iSCSI offload
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to work.
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This patch modifies the automatic iBFT detection to not set
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the 'ip=ibft' flag when bnx2i offload is detected.
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References: bnc#855747
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Signed-off-by: Hannes Reinecke <hare@suse.de>
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Signed-off-by: Thomas Renninger <trenn@suse.de>
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---
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modules.d/95iscsi/module-setup.sh | 26 +++++++++++++++++++++++++-
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1 file changed, 25 insertions(+), 1 deletion(-)
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diff --git a/modules.d/95iscsi/module-setup.sh b/modules.d/95iscsi/module-setup.sh
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index 422bea72..181da3c7 100755
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--- a/modules.d/95iscsi/module-setup.sh
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+++ b/modules.d/95iscsi/module-setup.sh
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@@ -29,14 +29,38 @@ check() {
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return 0
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}
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+get_ibft_mod() {
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+ local ibft_mac=$1
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+ # Return the iSCSI offload module for a given MAC address
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+ iscsiadm -m iface | while read iface_name iface_desc ; do
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+ IFS=$','
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+ set -- $iface_desc
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+ if [ "$ibft_mac" = "$2" ] ; then
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+ echo $1
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+ return 0
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+ fi
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+ unset IFS
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+ done
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+}
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+
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install_ibft() {
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# When iBFT / iscsi_boot is detected:
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# - Use 'ip=ibft' to set up iBFT network interface
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+ # Note: bnx2i is using a different MAC address of iSCSI offloading
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+ # so the 'ip=ibft' parameter must not be set
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# - specify firmware booting cmdline parameter
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for d in /sys/firmware/* ; do
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+ if [ -d ${d}/ethernet0 ] ; then
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+ read ibft_mac < ${d}/ethernet0/mac
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+ ibft_mod=$(get_ibft_mod $ibft_mac)
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+ fi
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+ if [ -z "$ibft_mod" ] && [ -d ${d}/ethernet1 ] ; then
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+ read ibft_mac < ${d}/ethernet1/mac
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+ ibft_mod=$(get_ibft_mod $ibft_mac)
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+ fi
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if [ -d ${d}/initiator ] ; then
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- if [ ${d##*/} = "ibft" ] ; then
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+ if [ ${d##*/} = "ibft" ] && [ "$ibft_mod" != "bnx2i" ] ; then
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echo -n "ip=ibft "
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fi
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echo -n "rd.iscsi.firmware=1"
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