2008-12-09 23:10:17 +00:00
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/*
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* Copyright(c) 2008 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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/*
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* Provide interface to send ELS/CT FC frames
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*/
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#include <asm/unaligned.h>
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#include <scsi/fc/fc_gs.h>
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#include <scsi/fc/fc_ns.h>
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#include <scsi/fc/fc_els.h>
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#include <scsi/libfc.h>
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#include <scsi/fc_encode.h>
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/*
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* fc_elsct_send - sends ELS/CT frame
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*/
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static struct fc_seq *fc_elsct_send(struct fc_lport *lport,
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2009-08-25 21:00:55 +00:00
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u32 did,
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2008-12-09 23:10:17 +00:00
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struct fc_frame *fp,
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unsigned int op,
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void (*resp)(struct fc_seq *,
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struct fc_frame *fp,
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void *arg),
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void *arg, u32 timer_msec)
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{
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enum fc_rctl r_ctl;
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enum fc_fh_type fh_type;
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int rc;
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/* ELS requests */
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if ((op >= ELS_LS_RJT) && (op <= ELS_AUTH_ELS))
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2009-08-25 21:00:55 +00:00
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rc = fc_els_fill(lport, did, fp, op, &r_ctl, &fh_type);
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else {
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2008-12-09 23:10:17 +00:00
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/* CT requests */
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2009-08-25 21:00:55 +00:00
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rc = fc_ct_fill(lport, fp, op, &r_ctl, &fh_type);
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did = FC_FID_DIR_SERV;
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}
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2008-12-09 23:10:17 +00:00
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if (rc)
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return NULL;
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fc_fill_fc_hdr(fp, r_ctl, did, fc_host_port_id(lport->host), fh_type,
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FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT, 0);
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return lport->tt.exch_seq_send(lport, fp, resp, NULL, arg, timer_msec);
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}
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int fc_elsct_init(struct fc_lport *lport)
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{
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if (!lport->tt.elsct_send)
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lport->tt.elsct_send = fc_elsct_send;
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return 0;
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}
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EXPORT_SYMBOL(fc_elsct_init);
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