c762608bf7
On some switches, an empty zone causes GPN_FT to be rejected with reason 9 (unable) explanation 7 (FC-4 types not registered), which causes discovery to be retried endlessly. Treat this as just an empty response and consider discovery complete. Signed-off-by: Joe Eykholt <jeykholt@cisco.com> Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
94 lines
2.7 KiB
C
94 lines
2.7 KiB
C
/*
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* Copyright(c) 2007 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Maintained at www.Open-FCoE.org
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*/
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#ifndef _FC_GS_H_
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#define _FC_GS_H_
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/*
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* Fibre Channel Services - Common Transport.
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* From T11.org FC-GS-2 Rev 5.3 November 1998.
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*/
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struct fc_ct_hdr {
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__u8 ct_rev; /* revision */
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__u8 ct_in_id[3]; /* N_Port ID of original requestor */
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__u8 ct_fs_type; /* type of fibre channel service */
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__u8 ct_fs_subtype; /* subtype */
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__u8 ct_options;
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__u8 _ct_resvd1;
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__be16 ct_cmd; /* command / response code */
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__be16 ct_mr_size; /* maximum / residual size */
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__u8 _ct_resvd2;
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__u8 ct_reason; /* reject reason */
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__u8 ct_explan; /* reason code explanation */
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__u8 ct_vendor; /* vendor unique data */
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};
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#define FC_CT_HDR_LEN 16 /* expected sizeof (struct fc_ct_hdr) */
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enum fc_ct_rev {
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FC_CT_REV = 1 /* common transport revision */
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};
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/*
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* ct_fs_type values.
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*/
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enum fc_ct_fs_type {
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FC_FST_ALIAS = 0xf8, /* alias service */
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FC_FST_MGMT = 0xfa, /* management service */
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FC_FST_TIME = 0xfb, /* time service */
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FC_FST_DIR = 0xfc, /* directory service */
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};
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/*
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* ct_cmd: Command / response codes
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*/
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enum fc_ct_cmd {
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FC_FS_RJT = 0x8001, /* reject */
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FC_FS_ACC = 0x8002, /* accept */
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};
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/*
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* FS_RJT reason codes.
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*/
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enum fc_ct_reason {
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FC_FS_RJT_CMD = 0x01, /* invalid command code */
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FC_FS_RJT_VER = 0x02, /* invalid version level */
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FC_FS_RJT_LOG = 0x03, /* logical error */
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FC_FS_RJT_IUSIZ = 0x04, /* invalid IU size */
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FC_FS_RJT_BSY = 0x05, /* logical busy */
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FC_FS_RJT_PROTO = 0x07, /* protocol error */
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FC_FS_RJT_UNABL = 0x09, /* unable to perform command request */
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FC_FS_RJT_UNSUP = 0x0b, /* command not supported */
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};
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/*
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* FS_RJT reason code explanations.
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*/
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enum fc_ct_explan {
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FC_FS_EXP_NONE = 0x00, /* no additional explanation */
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FC_FS_EXP_PID = 0x01, /* port ID not registered */
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FC_FS_EXP_PNAM = 0x02, /* port name not registered */
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FC_FS_EXP_NNAM = 0x03, /* node name not registered */
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FC_FS_EXP_COS = 0x04, /* class of service not registered */
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FC_FS_EXP_FTNR = 0x07, /* FC-4 types not registered */
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/* definitions not complete */
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};
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#endif /* _FC_GS_H_ */
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