740 lines
22 KiB
C
Executable File
740 lines
22 KiB
C
Executable File
/*
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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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#ifndef _FC_ENCODE_H_
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#define _FC_ENCODE_H_
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#include <asm/unaligned.h>
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#include <linux/utsname.h>
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/*
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* F_CTL values for simple requests and responses.
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*/
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#define FC_FCTL_REQ (FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT)
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#define FC_FCTL_RESP (FC_FC_EX_CTX | FC_FC_LAST_SEQ | \
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FC_FC_END_SEQ | FC_FC_SEQ_INIT)
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struct fc_ns_rft {
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struct fc_ns_fid fid; /* port ID object */
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struct fc_ns_fts fts; /* FC4-types object */
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};
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struct fc_ct_req {
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struct fc_ct_hdr hdr;
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union {
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struct fc_ns_gid_ft gid;
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struct fc_ns_rn_id rn;
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struct fc_ns_rft rft;
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struct fc_ns_rff_id rff;
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struct fc_ns_fid fid;
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struct fc_ns_rsnn snn;
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struct fc_ns_rspn spn;
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struct fc_fdmi_rhba rhba;
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struct fc_fdmi_rpa rpa;
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struct fc_fdmi_dprt dprt;
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struct fc_fdmi_dhba dhba;
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} payload;
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};
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static inline void __fc_fill_fc_hdr(struct fc_frame_header *fh,
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enum fc_rctl r_ctl,
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u32 did, u32 sid, enum fc_fh_type type,
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u32 f_ctl, u32 parm_offset)
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{
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WARN_ON(r_ctl == 0);
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fh->fh_r_ctl = r_ctl;
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hton24(fh->fh_d_id, did);
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hton24(fh->fh_s_id, sid);
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fh->fh_type = type;
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hton24(fh->fh_f_ctl, f_ctl);
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fh->fh_cs_ctl = 0;
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fh->fh_df_ctl = 0;
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fh->fh_parm_offset = htonl(parm_offset);
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}
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/**
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* fill FC header fields in specified fc_frame
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*/
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static inline void fc_fill_fc_hdr(struct fc_frame *fp, enum fc_rctl r_ctl,
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u32 did, u32 sid, enum fc_fh_type type,
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u32 f_ctl, u32 parm_offset)
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{
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struct fc_frame_header *fh;
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fh = fc_frame_header_get(fp);
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__fc_fill_fc_hdr(fh, r_ctl, did, sid, type, f_ctl, parm_offset);
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}
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/**
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* fc_adisc_fill() - Fill in adisc request frame
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* @lport: local port.
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* @fp: fc frame where payload will be placed.
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*/
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static inline void fc_adisc_fill(struct fc_lport *lport, struct fc_frame *fp)
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{
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struct fc_els_adisc *adisc;
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adisc = fc_frame_payload_get(fp, sizeof(*adisc));
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memset(adisc, 0, sizeof(*adisc));
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adisc->adisc_cmd = ELS_ADISC;
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put_unaligned_be64(lport->wwpn, &adisc->adisc_wwpn);
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put_unaligned_be64(lport->wwnn, &adisc->adisc_wwnn);
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hton24(adisc->adisc_port_id, lport->port_id);
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}
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/**
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* fc_ct_hdr_fill- fills ct header and reset ct payload
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* returns pointer to ct request.
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*/
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static inline struct fc_ct_req *fc_ct_hdr_fill(const struct fc_frame *fp,
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unsigned int op, size_t req_size,
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enum fc_ct_fs_type fs_type,
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u8 subtype)
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{
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struct fc_ct_req *ct;
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size_t ct_plen;
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ct_plen = sizeof(struct fc_ct_hdr) + req_size;
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ct = fc_frame_payload_get(fp, ct_plen);
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memset(ct, 0, ct_plen);
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ct->hdr.ct_rev = FC_CT_REV;
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ct->hdr.ct_fs_type = fs_type;
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ct->hdr.ct_fs_subtype = subtype;
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ct->hdr.ct_cmd = htons((u16) op);
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return ct;
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}
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/**
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* fc_ct_ns_fill() - Fill in a name service request frame
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* @lport: local port.
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* @fc_id: FC_ID of non-destination rport for GPN_ID and similar inquiries.
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* @fp: frame to contain payload.
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* @op: CT opcode.
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* @r_ctl: pointer to FC header R_CTL.
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* @fh_type: pointer to FC-4 type.
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*/
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static inline int fc_ct_ns_fill(struct fc_lport *lport,
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u32 fc_id, struct fc_frame *fp,
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unsigned int op, enum fc_rctl *r_ctl,
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enum fc_fh_type *fh_type)
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{
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struct fc_ct_req *ct;
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size_t len;
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switch (op) {
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case FC_NS_GPN_FT:
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ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_gid_ft),
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FC_FST_DIR, FC_NS_SUBTYPE);
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ct->payload.gid.fn_fc4_type = FC_TYPE_FCP;
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break;
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case FC_NS_GPN_ID:
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ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_fid),
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FC_FST_DIR, FC_NS_SUBTYPE);
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ct->payload.gid.fn_fc4_type = FC_TYPE_FCP;
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hton24(ct->payload.fid.fp_fid, fc_id);
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break;
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case FC_NS_RFT_ID:
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ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rft),
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FC_FST_DIR, FC_NS_SUBTYPE);
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hton24(ct->payload.rft.fid.fp_fid, lport->port_id);
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ct->payload.rft.fts = lport->fcts;
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break;
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case FC_NS_RFF_ID:
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ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rff_id),
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FC_FST_DIR, FC_NS_SUBTYPE);
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hton24(ct->payload.rff.fr_fid.fp_fid, lport->port_id);
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ct->payload.rff.fr_type = FC_TYPE_FCP;
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if (lport->service_params & FCP_SPPF_INIT_FCN)
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ct->payload.rff.fr_feat = FCP_FEAT_INIT;
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if (lport->service_params & FCP_SPPF_TARG_FCN)
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ct->payload.rff.fr_feat |= FCP_FEAT_TARG;
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break;
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case FC_NS_RNN_ID:
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ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rn_id),
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FC_FST_DIR, FC_NS_SUBTYPE);
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hton24(ct->payload.rn.fr_fid.fp_fid, lport->port_id);
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put_unaligned_be64(lport->wwnn, &ct->payload.rn.fr_wwn);
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break;
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case FC_NS_RSPN_ID:
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len = strnlen(fc_host_symbolic_name(lport->host), 255);
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ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rspn) + len,
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FC_FST_DIR, FC_NS_SUBTYPE);
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hton24(ct->payload.spn.fr_fid.fp_fid, lport->port_id);
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strncpy(ct->payload.spn.fr_name,
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fc_host_symbolic_name(lport->host), len);
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ct->payload.spn.fr_name_len = len;
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break;
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case FC_NS_RSNN_NN:
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len = strnlen(fc_host_symbolic_name(lport->host), 255);
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ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rsnn) + len,
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FC_FST_DIR, FC_NS_SUBTYPE);
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put_unaligned_be64(lport->wwnn, &ct->payload.snn.fr_wwn);
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strncpy(ct->payload.snn.fr_name,
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fc_host_symbolic_name(lport->host), len);
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ct->payload.snn.fr_name_len = len;
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break;
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default:
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return -EINVAL;
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}
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*r_ctl = FC_RCTL_DD_UNSOL_CTL;
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*fh_type = FC_TYPE_CT;
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return 0;
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}
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/**
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* fc_ct_ms_fill() - Fill in a mgmt service request frame
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* @lport: local port.
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* @fc_id: FC_ID of non-destination rport for GPN_ID and similar inquiries.
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* @fp: frame to contain payload.
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* @op: CT opcode.
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* @r_ctl: pointer to FC header R_CTL.
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* @fh_type: pointer to FC-4 type.
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*/
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static inline int fc_ct_ms_fill(struct fc_lport *lport,
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u32 fc_id, struct fc_frame *fp,
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unsigned int op, enum fc_rctl *r_ctl,
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enum fc_fh_type *fh_type)
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{
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struct fc_ct_req *ct;
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size_t len;
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struct fc_fdmi_attr_entry *entry;
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struct fs_fdmi_attrs *hba_attrs;
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int numattrs = 0;
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switch (op) {
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case FC_FDMI_RHBA:
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numattrs = 10;
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len = sizeof(struct fc_fdmi_rhba);
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len -= sizeof(struct fc_fdmi_attr_entry);
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len += (numattrs * FC_FDMI_ATTR_ENTRY_HEADER_LEN);
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len += FC_FDMI_HBA_ATTR_NODENAME_LEN;
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len += FC_FDMI_HBA_ATTR_MANUFACTURER_LEN;
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len += FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN;
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len += FC_FDMI_HBA_ATTR_MODEL_LEN;
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len += FC_FDMI_HBA_ATTR_MODELDESCR_LEN;
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len += FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN;
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len += FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN;
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len += FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN;
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len += FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN;
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len += FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN;
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ct = fc_ct_hdr_fill(fp, op, len, FC_FST_MGMT,
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FC_FDMI_SUBTYPE);
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/* HBA Identifier */
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put_unaligned_be64(lport->wwpn, &ct->payload.rhba.hbaid.id);
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/* Number of Ports - always 1 */
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put_unaligned_be32(1, &ct->payload.rhba.port.numport);
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/* Port Name */
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put_unaligned_be64(lport->wwpn,
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&ct->payload.rhba.port.port[0].portname);
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/* HBA Attributes */
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put_unaligned_be32(numattrs,
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&ct->payload.rhba.hba_attrs.numattrs);
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hba_attrs = &ct->payload.rhba.hba_attrs;
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entry = (struct fc_fdmi_attr_entry *)hba_attrs->attr;
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/* NodeName*/
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len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
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len += FC_FDMI_HBA_ATTR_NODENAME_LEN;
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put_unaligned_be16(FC_FDMI_HBA_ATTR_NODENAME,
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&entry->type);
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put_unaligned_be16(len, &entry->len);
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put_unaligned_be64(lport->wwnn,
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(__be64 *)&entry->value[0]);
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/* Manufacturer */
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entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
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FC_FDMI_HBA_ATTR_NODENAME_LEN);
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len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
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len += FC_FDMI_HBA_ATTR_MANUFACTURER_LEN;
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put_unaligned_be16(FC_FDMI_HBA_ATTR_MANUFACTURER,
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&entry->type);
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put_unaligned_be16(len, &entry->len);
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strncpy((char *)&entry->value,
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fc_host_manufacturer(lport->host),
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FC_FDMI_HBA_ATTR_MANUFACTURER_LEN);
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/* SerialNumber */
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entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
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FC_FDMI_HBA_ATTR_MANUFACTURER_LEN);
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len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
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len += FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN;
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put_unaligned_be16(FC_FDMI_HBA_ATTR_SERIALNUMBER,
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&entry->type);
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put_unaligned_be16(len, &entry->len);
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strncpy((char *)&entry->value,
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fc_host_serial_number(lport->host),
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FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN);
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/* Model */
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entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
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FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN);
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len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
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len += FC_FDMI_HBA_ATTR_MODEL_LEN;
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put_unaligned_be16(FC_FDMI_HBA_ATTR_MODEL,
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&entry->type);
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put_unaligned_be16(len, &entry->len);
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strncpy((char *)&entry->value,
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fc_host_model(lport->host),
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FC_FDMI_HBA_ATTR_MODEL_LEN);
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/* Model Description */
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entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
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FC_FDMI_HBA_ATTR_MODEL_LEN);
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len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
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len += FC_FDMI_HBA_ATTR_MODELDESCR_LEN;
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put_unaligned_be16(FC_FDMI_HBA_ATTR_MODELDESCRIPTION,
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&entry->type);
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put_unaligned_be16(len, &entry->len);
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strncpy((char *)&entry->value,
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fc_host_model_description(lport->host),
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FC_FDMI_HBA_ATTR_MODELDESCR_LEN);
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/* Hardware Version */
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entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
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FC_FDMI_HBA_ATTR_MODELDESCR_LEN);
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len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
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len += FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN;
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put_unaligned_be16(FC_FDMI_HBA_ATTR_HARDWAREVERSION,
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&entry->type);
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put_unaligned_be16(len, &entry->len);
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strncpy((char *)&entry->value,
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fc_host_hardware_version(lport->host),
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FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN);
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/* Driver Version */
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entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
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FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN);
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len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
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len += FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN;
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put_unaligned_be16(FC_FDMI_HBA_ATTR_DRIVERVERSION,
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&entry->type);
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put_unaligned_be16(len, &entry->len);
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strncpy((char *)&entry->value,
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fc_host_driver_version(lport->host),
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FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN);
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/* OptionROM Version */
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entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
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FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN);
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len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
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len += FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN;
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put_unaligned_be16(FC_FDMI_HBA_ATTR_OPTIONROMVERSION,
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&entry->type);
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put_unaligned_be16(len, &entry->len);
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strncpy((char *)&entry->value,
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fc_host_optionrom_version(lport->host),
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FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN);
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/* Firmware Version */
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entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
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FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN);
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len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
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len += FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN;
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put_unaligned_be16(FC_FDMI_HBA_ATTR_FIRMWAREVERSION,
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&entry->type);
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put_unaligned_be16(len, &entry->len);
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strncpy((char *)&entry->value,
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fc_host_firmware_version(lport->host),
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FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN);
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/* OS Name and Version */
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entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
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FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN);
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len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
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len += FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN;
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put_unaligned_be16(FC_FDMI_HBA_ATTR_OSNAMEVERSION,
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&entry->type);
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put_unaligned_be16(len, &entry->len);
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snprintf((char *)&entry->value,
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FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN,
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"%s v%s",
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init_utsname()->sysname,
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init_utsname()->release);
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break;
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case FC_FDMI_RPA:
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numattrs = 6;
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len = sizeof(struct fc_fdmi_rpa);
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len -= sizeof(struct fc_fdmi_attr_entry);
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len += (numattrs * FC_FDMI_ATTR_ENTRY_HEADER_LEN);
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len += FC_FDMI_PORT_ATTR_FC4TYPES_LEN;
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len += FC_FDMI_PORT_ATTR_SUPPORTEDSPEED_LEN;
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len += FC_FDMI_PORT_ATTR_CURRENTPORTSPEED_LEN;
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len += FC_FDMI_PORT_ATTR_MAXFRAMESIZE_LEN;
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len += FC_FDMI_PORT_ATTR_OSDEVICENAME_LEN;
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len += FC_FDMI_PORT_ATTR_HOSTNAME_LEN;
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ct = fc_ct_hdr_fill(fp, op, len, FC_FST_MGMT,
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FC_FDMI_SUBTYPE);
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/* Port Name */
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put_unaligned_be64(lport->wwpn,
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&ct->payload.rpa.port.portname);
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/* Port Attributes */
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put_unaligned_be32(numattrs,
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&ct->payload.rpa.hba_attrs.numattrs);
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hba_attrs = &ct->payload.rpa.hba_attrs;
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entry = (struct fc_fdmi_attr_entry *)hba_attrs->attr;
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/* FC4 types */
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len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
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len += FC_FDMI_PORT_ATTR_FC4TYPES_LEN;
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put_unaligned_be16(FC_FDMI_PORT_ATTR_FC4TYPES,
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&entry->type);
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put_unaligned_be16(len, &entry->len);
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memcpy(&entry->value, fc_host_supported_fc4s(lport->host),
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FC_FDMI_PORT_ATTR_FC4TYPES_LEN);
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|
|
|
/* Supported Speed */
|
|
entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
|
|
FC_FDMI_PORT_ATTR_FC4TYPES_LEN);
|
|
len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
|
|
len += FC_FDMI_PORT_ATTR_SUPPORTEDSPEED_LEN;
|
|
put_unaligned_be16(FC_FDMI_PORT_ATTR_SUPPORTEDSPEED,
|
|
&entry->type);
|
|
put_unaligned_be16(len, &entry->len);
|
|
|
|
put_unaligned_be32(fc_host_supported_speeds(lport->host),
|
|
&entry->value);
|
|
|
|
/* Current Port Speed */
|
|
entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
|
|
FC_FDMI_PORT_ATTR_SUPPORTEDSPEED_LEN);
|
|
len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
|
|
len += FC_FDMI_PORT_ATTR_CURRENTPORTSPEED_LEN;
|
|
put_unaligned_be16(FC_FDMI_PORT_ATTR_CURRENTPORTSPEED,
|
|
&entry->type);
|
|
put_unaligned_be16(len, &entry->len);
|
|
put_unaligned_be32(lport->link_speed,
|
|
&entry->value);
|
|
|
|
/* Max Frame Size */
|
|
entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
|
|
FC_FDMI_PORT_ATTR_CURRENTPORTSPEED_LEN);
|
|
len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
|
|
len += FC_FDMI_PORT_ATTR_MAXFRAMESIZE_LEN;
|
|
put_unaligned_be16(FC_FDMI_PORT_ATTR_MAXFRAMESIZE,
|
|
&entry->type);
|
|
put_unaligned_be16(len, &entry->len);
|
|
put_unaligned_be32(fc_host_maxframe_size(lport->host),
|
|
&entry->value);
|
|
|
|
/* OS Device Name */
|
|
entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
|
|
FC_FDMI_PORT_ATTR_MAXFRAMESIZE_LEN);
|
|
len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
|
|
len += FC_FDMI_PORT_ATTR_OSDEVICENAME_LEN;
|
|
put_unaligned_be16(FC_FDMI_PORT_ATTR_OSDEVICENAME,
|
|
&entry->type);
|
|
put_unaligned_be16(len, &entry->len);
|
|
/* Use the sysfs device name */
|
|
strncpy((char *)&entry->value,
|
|
dev_name(&lport->host->shost_gendev),
|
|
strnlen(dev_name(&lport->host->shost_gendev),
|
|
FC_FDMI_PORT_ATTR_HOSTNAME_LEN));
|
|
|
|
/* Host Name */
|
|
entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
|
|
FC_FDMI_PORT_ATTR_OSDEVICENAME_LEN);
|
|
len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
|
|
len += FC_FDMI_PORT_ATTR_HOSTNAME_LEN;
|
|
put_unaligned_be16(FC_FDMI_PORT_ATTR_HOSTNAME,
|
|
&entry->type);
|
|
put_unaligned_be16(len, &entry->len);
|
|
if (strlen(fc_host_system_hostname(lport->host)))
|
|
strncpy((char *)&entry->value,
|
|
fc_host_system_hostname(lport->host),
|
|
strnlen(fc_host_system_hostname(lport->host),
|
|
FC_FDMI_PORT_ATTR_HOSTNAME_LEN));
|
|
else
|
|
strncpy((char *)&entry->value,
|
|
init_utsname()->nodename,
|
|
FC_FDMI_PORT_ATTR_HOSTNAME_LEN);
|
|
break;
|
|
case FC_FDMI_DPRT:
|
|
len = sizeof(struct fc_fdmi_dprt);
|
|
ct = fc_ct_hdr_fill(fp, op, len, FC_FST_MGMT,
|
|
FC_FDMI_SUBTYPE);
|
|
/* Port Name */
|
|
put_unaligned_be64(lport->wwpn,
|
|
&ct->payload.dprt.port.portname);
|
|
break;
|
|
case FC_FDMI_DHBA:
|
|
len = sizeof(struct fc_fdmi_dhba);
|
|
ct = fc_ct_hdr_fill(fp, op, len, FC_FST_MGMT,
|
|
FC_FDMI_SUBTYPE);
|
|
/* HBA Identifier */
|
|
put_unaligned_be64(lport->wwpn, &ct->payload.dhba.hbaid.id);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
*r_ctl = FC_RCTL_DD_UNSOL_CTL;
|
|
*fh_type = FC_TYPE_CT;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* fc_ct_fill() - Fill in a common transport service request frame
|
|
* @lport: local port.
|
|
* @fc_id: FC_ID of non-destination rport for GPN_ID and similar inquiries.
|
|
* @fp: frame to contain payload.
|
|
* @op: CT opcode.
|
|
* @r_ctl: pointer to FC header R_CTL.
|
|
* @fh_type: pointer to FC-4 type.
|
|
*/
|
|
static inline int fc_ct_fill(struct fc_lport *lport,
|
|
u32 fc_id, struct fc_frame *fp,
|
|
unsigned int op, enum fc_rctl *r_ctl,
|
|
enum fc_fh_type *fh_type, u32 *did)
|
|
{
|
|
int rc = -EINVAL;
|
|
|
|
switch (fc_id) {
|
|
case FC_FID_MGMT_SERV:
|
|
rc = fc_ct_ms_fill(lport, fc_id, fp, op, r_ctl, fh_type);
|
|
*did = FC_FID_MGMT_SERV;
|
|
break;
|
|
case FC_FID_DIR_SERV:
|
|
default:
|
|
rc = fc_ct_ns_fill(lport, fc_id, fp, op, r_ctl, fh_type);
|
|
*did = FC_FID_DIR_SERV;
|
|
break;
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
/**
|
|
* fc_plogi_fill - Fill in plogi request frame
|
|
*/
|
|
static inline void fc_plogi_fill(struct fc_lport *lport, struct fc_frame *fp,
|
|
unsigned int op)
|
|
{
|
|
struct fc_els_flogi *plogi;
|
|
struct fc_els_csp *csp;
|
|
struct fc_els_cssp *cp;
|
|
|
|
plogi = fc_frame_payload_get(fp, sizeof(*plogi));
|
|
memset(plogi, 0, sizeof(*plogi));
|
|
plogi->fl_cmd = (u8) op;
|
|
put_unaligned_be64(lport->wwpn, &plogi->fl_wwpn);
|
|
put_unaligned_be64(lport->wwnn, &plogi->fl_wwnn);
|
|
|
|
csp = &plogi->fl_csp;
|
|
csp->sp_hi_ver = 0x20;
|
|
csp->sp_lo_ver = 0x20;
|
|
csp->sp_bb_cred = htons(10); /* this gets set by gateway */
|
|
csp->sp_bb_data = htons((u16) lport->mfs);
|
|
cp = &plogi->fl_cssp[3 - 1]; /* class 3 parameters */
|
|
cp->cp_class = htons(FC_CPC_VALID | FC_CPC_SEQ);
|
|
csp->sp_features = htons(FC_SP_FT_CIRO);
|
|
csp->sp_tot_seq = htons(255); /* seq. we accept */
|
|
csp->sp_rel_off = htons(0x1f);
|
|
csp->sp_e_d_tov = htonl(lport->e_d_tov);
|
|
|
|
cp->cp_rdfs = htons((u16) lport->mfs);
|
|
cp->cp_con_seq = htons(255);
|
|
cp->cp_open_seq = 1;
|
|
}
|
|
|
|
/**
|
|
* fc_flogi_fill - Fill in a flogi request frame.
|
|
*/
|
|
static inline void fc_flogi_fill(struct fc_lport *lport, struct fc_frame *fp)
|
|
{
|
|
struct fc_els_csp *sp;
|
|
struct fc_els_cssp *cp;
|
|
struct fc_els_flogi *flogi;
|
|
|
|
flogi = fc_frame_payload_get(fp, sizeof(*flogi));
|
|
memset(flogi, 0, sizeof(*flogi));
|
|
flogi->fl_cmd = (u8) ELS_FLOGI;
|
|
put_unaligned_be64(lport->wwpn, &flogi->fl_wwpn);
|
|
put_unaligned_be64(lport->wwnn, &flogi->fl_wwnn);
|
|
sp = &flogi->fl_csp;
|
|
sp->sp_hi_ver = 0x20;
|
|
sp->sp_lo_ver = 0x20;
|
|
sp->sp_bb_cred = htons(10); /* this gets set by gateway */
|
|
sp->sp_bb_data = htons((u16) lport->mfs);
|
|
cp = &flogi->fl_cssp[3 - 1]; /* class 3 parameters */
|
|
cp->cp_class = htons(FC_CPC_VALID | FC_CPC_SEQ);
|
|
if (lport->does_npiv)
|
|
sp->sp_features = htons(FC_SP_FT_NPIV);
|
|
}
|
|
|
|
/**
|
|
* fc_fdisc_fill - Fill in a fdisc request frame.
|
|
*/
|
|
static inline void fc_fdisc_fill(struct fc_lport *lport, struct fc_frame *fp)
|
|
{
|
|
struct fc_els_csp *sp;
|
|
struct fc_els_cssp *cp;
|
|
struct fc_els_flogi *fdisc;
|
|
|
|
fdisc = fc_frame_payload_get(fp, sizeof(*fdisc));
|
|
memset(fdisc, 0, sizeof(*fdisc));
|
|
fdisc->fl_cmd = (u8) ELS_FDISC;
|
|
put_unaligned_be64(lport->wwpn, &fdisc->fl_wwpn);
|
|
put_unaligned_be64(lport->wwnn, &fdisc->fl_wwnn);
|
|
sp = &fdisc->fl_csp;
|
|
sp->sp_hi_ver = 0x20;
|
|
sp->sp_lo_ver = 0x20;
|
|
sp->sp_bb_cred = htons(10); /* this gets set by gateway */
|
|
sp->sp_bb_data = htons((u16) lport->mfs);
|
|
cp = &fdisc->fl_cssp[3 - 1]; /* class 3 parameters */
|
|
cp->cp_class = htons(FC_CPC_VALID | FC_CPC_SEQ);
|
|
}
|
|
|
|
/**
|
|
* fc_logo_fill - Fill in a logo request frame.
|
|
*/
|
|
static inline void fc_logo_fill(struct fc_lport *lport, struct fc_frame *fp)
|
|
{
|
|
struct fc_els_logo *logo;
|
|
|
|
logo = fc_frame_payload_get(fp, sizeof(*logo));
|
|
memset(logo, 0, sizeof(*logo));
|
|
logo->fl_cmd = ELS_LOGO;
|
|
hton24(logo->fl_n_port_id, lport->port_id);
|
|
logo->fl_n_port_wwn = htonll(lport->wwpn);
|
|
}
|
|
|
|
/**
|
|
* fc_rtv_fill - Fill in RTV (read timeout value) request frame.
|
|
*/
|
|
static inline void fc_rtv_fill(struct fc_lport *lport, struct fc_frame *fp)
|
|
{
|
|
struct fc_els_rtv *rtv;
|
|
|
|
rtv = fc_frame_payload_get(fp, sizeof(*rtv));
|
|
memset(rtv, 0, sizeof(*rtv));
|
|
rtv->rtv_cmd = ELS_RTV;
|
|
}
|
|
|
|
/**
|
|
* fc_rec_fill - Fill in rec request frame
|
|
*/
|
|
static inline void fc_rec_fill(struct fc_lport *lport, struct fc_frame *fp)
|
|
{
|
|
struct fc_els_rec *rec;
|
|
struct fc_exch *ep = fc_seq_exch(fr_seq(fp));
|
|
|
|
rec = fc_frame_payload_get(fp, sizeof(*rec));
|
|
memset(rec, 0, sizeof(*rec));
|
|
rec->rec_cmd = ELS_REC;
|
|
hton24(rec->rec_s_id, lport->port_id);
|
|
rec->rec_ox_id = htons(ep->oxid);
|
|
rec->rec_rx_id = htons(ep->rxid);
|
|
}
|
|
|
|
/**
|
|
* fc_prli_fill - Fill in prli request frame
|
|
*/
|
|
static inline void fc_prli_fill(struct fc_lport *lport, struct fc_frame *fp)
|
|
{
|
|
struct {
|
|
struct fc_els_prli prli;
|
|
struct fc_els_spp spp;
|
|
} *pp;
|
|
|
|
pp = fc_frame_payload_get(fp, sizeof(*pp));
|
|
memset(pp, 0, sizeof(*pp));
|
|
pp->prli.prli_cmd = ELS_PRLI;
|
|
pp->prli.prli_spp_len = sizeof(struct fc_els_spp);
|
|
pp->prli.prli_len = htons(sizeof(*pp));
|
|
pp->spp.spp_type = FC_TYPE_FCP;
|
|
pp->spp.spp_flags = FC_SPP_EST_IMG_PAIR;
|
|
pp->spp.spp_params = htonl(lport->service_params);
|
|
}
|
|
|
|
/**
|
|
* fc_scr_fill - Fill in a scr request frame.
|
|
*/
|
|
static inline void fc_scr_fill(struct fc_lport *lport, struct fc_frame *fp)
|
|
{
|
|
struct fc_els_scr *scr;
|
|
|
|
scr = fc_frame_payload_get(fp, sizeof(*scr));
|
|
memset(scr, 0, sizeof(*scr));
|
|
scr->scr_cmd = ELS_SCR;
|
|
scr->scr_reg_func = ELS_SCRF_FULL;
|
|
}
|
|
|
|
/**
|
|
* fc_els_fill - Fill in an ELS request frame
|
|
*/
|
|
static inline int fc_els_fill(struct fc_lport *lport,
|
|
u32 did,
|
|
struct fc_frame *fp, unsigned int op,
|
|
enum fc_rctl *r_ctl, enum fc_fh_type *fh_type)
|
|
{
|
|
switch (op) {
|
|
case ELS_ADISC:
|
|
fc_adisc_fill(lport, fp);
|
|
break;
|
|
|
|
case ELS_PLOGI:
|
|
fc_plogi_fill(lport, fp, ELS_PLOGI);
|
|
break;
|
|
|
|
case ELS_FLOGI:
|
|
fc_flogi_fill(lport, fp);
|
|
break;
|
|
|
|
case ELS_FDISC:
|
|
fc_fdisc_fill(lport, fp);
|
|
break;
|
|
|
|
case ELS_LOGO:
|
|
fc_logo_fill(lport, fp);
|
|
break;
|
|
|
|
case ELS_RTV:
|
|
fc_rtv_fill(lport, fp);
|
|
break;
|
|
|
|
case ELS_REC:
|
|
fc_rec_fill(lport, fp);
|
|
break;
|
|
|
|
case ELS_PRLI:
|
|
fc_prli_fill(lport, fp);
|
|
break;
|
|
|
|
case ELS_SCR:
|
|
fc_scr_fill(lport, fp);
|
|
break;
|
|
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
*r_ctl = FC_RCTL_ELS_REQ;
|
|
*fh_type = FC_TYPE_ELS;
|
|
return 0;
|
|
}
|
|
#endif /* _FC_ENCODE_H_ */
|