fc_encode.h revision 42e9a92fe6a9095bd68a379aaec7ad2be0337f7a
142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love/* 242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * Copyright(c) 2008 Intel Corporation. All rights reserved. 342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * 442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * This program is free software; you can redistribute it and/or modify it 542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * under the terms and conditions of the GNU General Public License, 642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * version 2, as published by the Free Software Foundation. 742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * 842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * This program is distributed in the hope it will be useful, but WITHOUT 942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 1142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * more details. 1242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * 1342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * You should have received a copy of the GNU General Public License along with 1442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * this program; if not, write to the Free Software Foundation, Inc., 1542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 1642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * 1742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * Maintained at www.Open-FCoE.org 1842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love */ 1942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 2042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love#ifndef _FC_ENCODE_H_ 2142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love#define _FC_ENCODE_H_ 2242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love#include <asm/unaligned.h> 2342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 2442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Lovestruct fc_ns_rft { 2542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love struct fc_ns_fid fid; /* port ID object */ 2642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love struct fc_ns_fts fts; /* FC4-types object */ 2742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love}; 2842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 2942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Lovestruct fc_ct_req { 3042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love struct fc_ct_hdr hdr; 3142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love union { 3242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love struct fc_ns_gid_ft gid; 3342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love struct fc_ns_rn_id rn; 3442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love struct fc_ns_rft rft; 3542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love } payload; 3642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love}; 3742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 3842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love/** 3942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * fill FC header fields in specified fc_frame 4042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love */ 4142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Lovestatic inline void fc_fill_fc_hdr(struct fc_frame *fp, enum fc_rctl r_ctl, 4242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love u32 did, u32 sid, enum fc_fh_type type, 4342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love u32 f_ctl, u32 parm_offset) 4442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love{ 4542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love struct fc_frame_header *fh; 4642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 4742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love fh = fc_frame_header_get(fp); 4842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love WARN_ON(r_ctl == 0); 4942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love fh->fh_r_ctl = r_ctl; 5042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love hton24(fh->fh_d_id, did); 5142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love hton24(fh->fh_s_id, sid); 5242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love fh->fh_type = type; 5342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love hton24(fh->fh_f_ctl, f_ctl); 5442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love fh->fh_cs_ctl = 0; 5542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love fh->fh_df_ctl = 0; 5642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love fh->fh_parm_offset = htonl(parm_offset); 5742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love} 5842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 5942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love/** 6042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * fc_ct_hdr_fill- fills ct header and reset ct payload 6142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * returns pointer to ct request. 6242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love */ 6342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Lovestatic inline struct fc_ct_req *fc_ct_hdr_fill(const struct fc_frame *fp, 6442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love unsigned int op, size_t req_size) 6542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love{ 6642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love struct fc_ct_req *ct; 6742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love size_t ct_plen; 6842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 6942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love ct_plen = sizeof(struct fc_ct_hdr) + req_size; 7042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love ct = fc_frame_payload_get(fp, ct_plen); 7142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love memset(ct, 0, ct_plen); 7242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love ct->hdr.ct_rev = FC_CT_REV; 7342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love ct->hdr.ct_fs_type = FC_FST_DIR; 7442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love ct->hdr.ct_fs_subtype = FC_NS_SUBTYPE; 7542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love ct->hdr.ct_cmd = htons((u16) op); 7642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love return ct; 7742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love} 7842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 7942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love/** 8042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * fc_ct_fill - Fill in a name service request frame 8142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love */ 8242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Lovestatic inline int fc_ct_fill(struct fc_lport *lport, struct fc_frame *fp, 8342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love unsigned int op, enum fc_rctl *r_ctl, u32 *did, 8442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love enum fc_fh_type *fh_type) 8542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love{ 8642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love struct fc_ct_req *ct; 8742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 8842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love switch (op) { 8942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love case FC_NS_GPN_FT: 9042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_gid_ft)); 9142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love ct->payload.gid.fn_fc4_type = FC_TYPE_FCP; 9242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love break; 9342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 9442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love case FC_NS_RFT_ID: 9542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rft)); 9642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love hton24(ct->payload.rft.fid.fp_fid, 9742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love fc_host_port_id(lport->host)); 9842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love ct->payload.rft.fts = lport->fcts; 9942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love break; 10042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 10142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love case FC_NS_RPN_ID: 10242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rn_id)); 10342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love hton24(ct->payload.rn.fr_fid.fp_fid, 10442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love fc_host_port_id(lport->host)); 10542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love ct->payload.rft.fts = lport->fcts; 10642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love put_unaligned_be64(lport->wwpn, &ct->payload.rn.fr_wwn); 10742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love break; 10842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 10942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love default: 11042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love FC_DBG("Invalid op code %x \n", op); 11142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love return -EINVAL; 11242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love } 11342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love *r_ctl = FC_RCTL_DD_UNSOL_CTL; 11442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love *did = FC_FID_DIR_SERV; 11542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love *fh_type = FC_TYPE_CT; 11642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love return 0; 11742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love} 11842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 11942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love/** 12042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * fc_plogi_fill - Fill in plogi request frame 12142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love */ 12242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Lovestatic inline void fc_plogi_fill(struct fc_lport *lport, struct fc_frame *fp, 12342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love unsigned int op) 12442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love{ 12542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love struct fc_els_flogi *plogi; 12642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love struct fc_els_csp *csp; 12742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love struct fc_els_cssp *cp; 12842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 12942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love plogi = fc_frame_payload_get(fp, sizeof(*plogi)); 13042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love memset(plogi, 0, sizeof(*plogi)); 13142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love plogi->fl_cmd = (u8) op; 13242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love put_unaligned_be64(lport->wwpn, &plogi->fl_wwpn); 13342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love put_unaligned_be64(lport->wwnn, &plogi->fl_wwnn); 13442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 13542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love csp = &plogi->fl_csp; 13642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love csp->sp_hi_ver = 0x20; 13742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love csp->sp_lo_ver = 0x20; 13842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love csp->sp_bb_cred = htons(10); /* this gets set by gateway */ 13942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love csp->sp_bb_data = htons((u16) lport->mfs); 14042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love cp = &plogi->fl_cssp[3 - 1]; /* class 3 parameters */ 14142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love cp->cp_class = htons(FC_CPC_VALID | FC_CPC_SEQ); 14242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love csp->sp_features = htons(FC_SP_FT_CIRO); 14342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love csp->sp_tot_seq = htons(255); /* seq. we accept */ 14442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love csp->sp_rel_off = htons(0x1f); 14542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love csp->sp_e_d_tov = htonl(lport->e_d_tov); 14642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 14742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love cp->cp_rdfs = htons((u16) lport->mfs); 14842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love cp->cp_con_seq = htons(255); 14942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love cp->cp_open_seq = 1; 15042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love} 15142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 15242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love/** 15342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * fc_flogi_fill - Fill in a flogi request frame. 15442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love */ 15542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Lovestatic inline void fc_flogi_fill(struct fc_lport *lport, struct fc_frame *fp) 15642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love{ 15742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love struct fc_els_csp *sp; 15842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love struct fc_els_cssp *cp; 15942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love struct fc_els_flogi *flogi; 16042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 16142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love flogi = fc_frame_payload_get(fp, sizeof(*flogi)); 16242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love memset(flogi, 0, sizeof(*flogi)); 16342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love flogi->fl_cmd = (u8) ELS_FLOGI; 16442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love put_unaligned_be64(lport->wwpn, &flogi->fl_wwpn); 16542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love put_unaligned_be64(lport->wwnn, &flogi->fl_wwnn); 16642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love sp = &flogi->fl_csp; 16742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love sp->sp_hi_ver = 0x20; 16842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love sp->sp_lo_ver = 0x20; 16942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love sp->sp_bb_cred = htons(10); /* this gets set by gateway */ 17042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love sp->sp_bb_data = htons((u16) lport->mfs); 17142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love cp = &flogi->fl_cssp[3 - 1]; /* class 3 parameters */ 17242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love cp->cp_class = htons(FC_CPC_VALID | FC_CPC_SEQ); 17342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love} 17442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 17542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love/** 17642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * fc_logo_fill - Fill in a logo request frame. 17742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love */ 17842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Lovestatic inline void fc_logo_fill(struct fc_lport *lport, struct fc_frame *fp) 17942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love{ 18042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love struct fc_els_logo *logo; 18142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 18242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love logo = fc_frame_payload_get(fp, sizeof(*logo)); 18342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love memset(logo, 0, sizeof(*logo)); 18442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love logo->fl_cmd = ELS_LOGO; 18542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love hton24(logo->fl_n_port_id, fc_host_port_id(lport->host)); 18642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love logo->fl_n_port_wwn = htonll(lport->wwpn); 18742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love} 18842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 18942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love/** 19042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * fc_rtv_fill - Fill in RTV (read timeout value) request frame. 19142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love */ 19242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Lovestatic inline void fc_rtv_fill(struct fc_lport *lport, struct fc_frame *fp) 19342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love{ 19442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love struct fc_els_rtv *rtv; 19542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 19642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love rtv = fc_frame_payload_get(fp, sizeof(*rtv)); 19742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love memset(rtv, 0, sizeof(*rtv)); 19842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love rtv->rtv_cmd = ELS_RTV; 19942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love} 20042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 20142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love/** 20242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * fc_rec_fill - Fill in rec request frame 20342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love */ 20442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Lovestatic inline void fc_rec_fill(struct fc_lport *lport, struct fc_frame *fp) 20542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love{ 20642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love struct fc_els_rec *rec; 20742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love struct fc_exch *ep = fc_seq_exch(fr_seq(fp)); 20842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 20942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love rec = fc_frame_payload_get(fp, sizeof(*rec)); 21042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love memset(rec, 0, sizeof(*rec)); 21142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love rec->rec_cmd = ELS_REC; 21242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love hton24(rec->rec_s_id, fc_host_port_id(lport->host)); 21342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love rec->rec_ox_id = htons(ep->oxid); 21442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love rec->rec_rx_id = htons(ep->rxid); 21542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love} 21642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 21742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love/** 21842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * fc_prli_fill - Fill in prli request frame 21942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love */ 22042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Lovestatic inline void fc_prli_fill(struct fc_lport *lport, struct fc_frame *fp) 22142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love{ 22242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love struct { 22342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love struct fc_els_prli prli; 22442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love struct fc_els_spp spp; 22542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love } *pp; 22642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 22742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love pp = fc_frame_payload_get(fp, sizeof(*pp)); 22842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love memset(pp, 0, sizeof(*pp)); 22942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love pp->prli.prli_cmd = ELS_PRLI; 23042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love pp->prli.prli_spp_len = sizeof(struct fc_els_spp); 23142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love pp->prli.prli_len = htons(sizeof(*pp)); 23242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love pp->spp.spp_type = FC_TYPE_FCP; 23342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love pp->spp.spp_flags = FC_SPP_EST_IMG_PAIR; 23442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love pp->spp.spp_params = htonl(lport->service_params); 23542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love} 23642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 23742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love/** 23842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * fc_scr_fill - Fill in a scr request frame. 23942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love */ 24042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Lovestatic inline void fc_scr_fill(struct fc_lport *lport, struct fc_frame *fp) 24142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love{ 24242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love struct fc_els_scr *scr; 24342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 24442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love scr = fc_frame_payload_get(fp, sizeof(*scr)); 24542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love memset(scr, 0, sizeof(*scr)); 24642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love scr->scr_cmd = ELS_SCR; 24742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love scr->scr_reg_func = ELS_SCRF_FULL; 24842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love} 24942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 25042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love/** 25142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * fc_els_fill - Fill in an ELS request frame 25242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love */ 25342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Lovestatic inline int fc_els_fill(struct fc_lport *lport, struct fc_rport *rport, 25442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love struct fc_frame *fp, unsigned int op, 25542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love enum fc_rctl *r_ctl, u32 *did, enum fc_fh_type *fh_type) 25642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love{ 25742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love switch (op) { 25842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love case ELS_PLOGI: 25942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love fc_plogi_fill(lport, fp, ELS_PLOGI); 26042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love *did = rport->port_id; 26142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love break; 26242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 26342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love case ELS_FLOGI: 26442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love fc_flogi_fill(lport, fp); 26542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love *did = FC_FID_FLOGI; 26642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love break; 26742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 26842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love case ELS_LOGO: 26942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love fc_logo_fill(lport, fp); 27042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love *did = FC_FID_FLOGI; 27142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love /* 27242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * if rport is valid then it 27342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * is port logo, therefore 27442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love * set did to rport id. 27542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love */ 27642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love if (rport) 27742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love *did = rport->port_id; 27842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love break; 27942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 28042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love case ELS_RTV: 28142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love fc_rtv_fill(lport, fp); 28242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love *did = rport->port_id; 28342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love break; 28442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 28542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love case ELS_REC: 28642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love fc_rec_fill(lport, fp); 28742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love *did = rport->port_id; 28842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love break; 28942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 29042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love case ELS_PRLI: 29142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love fc_prli_fill(lport, fp); 29242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love *did = rport->port_id; 29342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love break; 29442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 29542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love case ELS_SCR: 29642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love fc_scr_fill(lport, fp); 29742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love *did = FC_FID_FCTRL; 29842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love break; 29942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 30042e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love default: 30142e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love FC_DBG("Invalid op code %x \n", op); 30242e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love return -EINVAL; 30342e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love } 30442e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love 30542e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love *r_ctl = FC_RCTL_ELS_REQ; 30642e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love *fh_type = FC_TYPE_ELS; 30742e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love return 0; 30842e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love} 30942e9a92fe6a9095bd68a379aaec7ad2be0337f7aRobert Love#endif /* _FC_ENCODE_H_ */ 310