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138d351eef
This patch re-introduces part of a long standing login workaround that
was recently dropped by:
commit 1c99de981f
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>
54 lines
2.7 KiB
C
54 lines
2.7 KiB
C
#ifndef ISCSI_TARGET_TPG_H
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#define ISCSI_TARGET_TPG_H
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#include <linux/types.h>
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struct iscsi_np;
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struct iscsi_session;
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struct iscsi_tiqn;
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struct iscsi_tpg_np;
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struct se_node_acl;
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struct sockaddr_storage;
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extern struct iscsi_portal_group *iscsit_alloc_portal_group(struct iscsi_tiqn *, u16);
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extern int iscsit_load_discovery_tpg(void);
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extern void iscsit_release_discovery_tpg(void);
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extern struct iscsi_portal_group *iscsit_get_tpg_from_np(struct iscsi_tiqn *,
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struct iscsi_np *, struct iscsi_tpg_np **);
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extern int iscsit_get_tpg(struct iscsi_portal_group *);
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extern void iscsit_put_tpg(struct iscsi_portal_group *);
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extern void iscsit_tpg_dump_params(struct iscsi_portal_group *);
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extern int iscsit_tpg_add_portal_group(struct iscsi_tiqn *, struct iscsi_portal_group *);
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extern int iscsit_tpg_del_portal_group(struct iscsi_tiqn *, struct iscsi_portal_group *,
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int);
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extern int iscsit_tpg_enable_portal_group(struct iscsi_portal_group *);
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extern int iscsit_tpg_disable_portal_group(struct iscsi_portal_group *, int);
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extern struct iscsi_node_acl *iscsit_tpg_add_initiator_node_acl(
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struct iscsi_portal_group *, const char *, u32);
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extern void iscsit_tpg_del_initiator_node_acl(struct iscsi_portal_group *,
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struct se_node_acl *);
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extern struct iscsi_node_attrib *iscsit_tpg_get_node_attrib(struct iscsi_session *);
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extern void iscsit_tpg_del_external_nps(struct iscsi_tpg_np *);
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extern struct iscsi_tpg_np *iscsit_tpg_locate_child_np(struct iscsi_tpg_np *, int);
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extern struct iscsi_tpg_np *iscsit_tpg_add_network_portal(struct iscsi_portal_group *,
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struct sockaddr_storage *, struct iscsi_tpg_np *,
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int);
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extern int iscsit_tpg_del_network_portal(struct iscsi_portal_group *,
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struct iscsi_tpg_np *);
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extern int iscsit_ta_authentication(struct iscsi_portal_group *, u32);
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extern int iscsit_ta_login_timeout(struct iscsi_portal_group *, u32);
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extern int iscsit_ta_netif_timeout(struct iscsi_portal_group *, u32);
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extern int iscsit_ta_generate_node_acls(struct iscsi_portal_group *, u32);
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extern int iscsit_ta_default_cmdsn_depth(struct iscsi_portal_group *, u32);
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extern int iscsit_ta_cache_dynamic_acls(struct iscsi_portal_group *, u32);
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extern int iscsit_ta_demo_mode_write_protect(struct iscsi_portal_group *, u32);
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extern int iscsit_ta_prod_mode_write_protect(struct iscsi_portal_group *, u32);
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extern int iscsit_ta_demo_mode_discovery(struct iscsi_portal_group *, u32);
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extern int iscsit_ta_default_erl(struct iscsi_portal_group *, u32);
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extern int iscsit_ta_t10_pi(struct iscsi_portal_group *, u32);
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extern int iscsit_ta_fabric_prot_type(struct iscsi_portal_group *, u32);
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extern int iscsit_ta_tpg_enabled_sendtargets(struct iscsi_portal_group *, u32);
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extern int iscsit_ta_login_keys_workaround(struct iscsi_portal_group *, u32);
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#endif /* ISCSI_TARGET_TPG_H */
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