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authorNicholas Bellinger <nab@linux-iscsi.org>2017-07-07 21:45:49 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-07-27 22:07:59 (GMT)
commit732e3c76cf97451e8b58f666c1f54cd8b3f9d26f (patch)
tree00666c5dc16ab25ec23bd11c18d97e60d46954a4 /fs/fuse
parentfc866b296a463661f90ea734c40b1049c4834eaa (diff)
downloadlinux-732e3c76cf97451e8b58f666c1f54cd8b3f9d26f.tar.xz
iscsi-target: Add login_keys_workaround attribute for non RFC initiators
commit 138d351eefb727ab9e41a3dc5f112ceb4f6e59f2 upstream. This patch re-introduces part of a long standing login workaround that was recently dropped by: commit 1c99de981f30b3e7868b8d20ce5479fa1c0fea46 Author: Nicholas Bellinger <nab@linux-iscsi.org> Date: Sun Apr 2 13:36:44 2017 -0700 iscsi-target: Drop work-around for legacy GlobalSAN initiator Namely, the workaround for FirstBurstLength ended up being required by Mellanox Flexboot PXE boot ROMs as reported by Robert. So this patch re-adds the work-around for FirstBurstLength within iscsi_check_proposer_for_optional_reply(), and makes the key optional to respond when the initiator does not propose, nor respond to it. Also as requested by Arun, this patch introduces a new TPG attribute named 'login_keys_workaround' that controls the use of both the FirstBurstLength workaround, as well as the two other existing workarounds for gPXE iSCSI boot client. By default, the workaround is enabled with login_keys_workaround=1, since Mellanox FlexBoot requires it, and Arun has verified the Qlogic MSFT initiator already proposes FirstBurstLength, so it's uneffected by this re-adding this part of the original work-around. Reported-by: Robert LeBlanc <robert@leblancnet.us> Cc: Robert LeBlanc <robert@leblancnet.us> Reviewed-by: Arun Easi <arun.easi@cavium.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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