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authorNicholas Bellinger <nab@linux-iscsi.org>2017-07-08 00:45:49 +0300
committerNicholas Bellinger <nab@linux-iscsi.org>2017-07-11 20:56:39 +0300
commit138d351eefb727ab9e41a3dc5f112ceb4f6e59f2 (patch)
tree452b2ccc6e8010d526bcdf71dc03f0553bac9c37 /drivers/target/iscsi/iscsi_target_util.c
parent55dd8cf2163e1866d9497c4f361d6ed42b3a192b (diff)
downloadlinux-138d351eefb727ab9e41a3dc5f112ceb4f6e59f2.tar.xz
iscsi-target: Add login_keys_workaround attribute for non RFC initiators
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> Cc: <stable@vger.kernel.org> # 3.1+ Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target/iscsi/iscsi_target_util.c')
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