Release 4.7 include/scsi/fc_encode.h
/*
* Copyright(c) 2008 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*
* Maintained at www.Open-FCoE.org
*/
#ifndef _FC_ENCODE_H_
#define _FC_ENCODE_H_
#include <asm/unaligned.h>
#include <linux/utsname.h>
/*
* F_CTL values for simple requests and responses.
*/
#define FC_FCTL_REQ (FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT)
#define FC_FCTL_RESP (FC_FC_EX_CTX | FC_FC_LAST_SEQ | \
FC_FC_END_SEQ | FC_FC_SEQ_INIT)
struct fc_ns_rft {
struct fc_ns_fid fid; /* port ID object */
struct fc_ns_fts fts; /* FC4-types object */
};
struct fc_ct_req {
struct fc_ct_hdr hdr;
union {
struct fc_ns_gid_ft gid;
struct fc_ns_rn_id rn;
struct fc_ns_rft rft;
struct fc_ns_rff_id rff;
struct fc_ns_fid fid;
struct fc_ns_rsnn snn;
struct fc_ns_rspn spn;
struct fc_fdmi_rhba rhba;
struct fc_fdmi_rpa rpa;
struct fc_fdmi_dprt dprt;
struct fc_fdmi_dhba dhba;
}
payload;
};
static inline void __fc_fill_fc_hdr(struct fc_frame_header *fh,
enum fc_rctl r_ctl,
u32 did, u32 sid, enum fc_fh_type type,
u32 f_ctl, u32 parm_offset)
{
WARN_ON(r_ctl == 0);
fh->fh_r_ctl = r_ctl;
hton24(fh->fh_d_id, did);
hton24(fh->fh_s_id, sid);
fh->fh_type = type;
hton24(fh->fh_f_ctl, f_ctl);
fh->fh_cs_ctl = 0;
fh->fh_df_ctl = 0;
fh->fh_parm_offset = htonl(parm_offset);
}
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/**
* fill FC header fields in specified fc_frame
*/
static inline void fc_fill_fc_hdr(struct fc_frame *fp, enum fc_rctl r_ctl,
u32 did, u32 sid, enum fc_fh_type type,
u32 f_ctl, u32 parm_offset)
{
struct fc_frame_header *fh;
fh = fc_frame_header_get(fp);
__fc_fill_fc_hdr(fh, r_ctl, did, sid, type, f_ctl, parm_offset);
}
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/**
* fc_adisc_fill() - Fill in adisc request frame
* @lport: local port.
* @fp: fc frame where payload will be placed.
*/
static inline void fc_adisc_fill(struct fc_lport *lport, struct fc_frame *fp)
{
struct fc_els_adisc *adisc;
adisc = fc_frame_payload_get(fp, sizeof(*adisc));
memset(adisc, 0, sizeof(*adisc));
adisc->adisc_cmd = ELS_ADISC;
put_unaligned_be64(lport->wwpn, &adisc->adisc_wwpn);
put_unaligned_be64(lport->wwnn, &adisc->adisc_wwnn);
hton24(adisc->adisc_port_id, lport->port_id);
}
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/**
* fc_ct_hdr_fill- fills ct header and reset ct payload
* returns pointer to ct request.
*/
static inline struct fc_ct_req *fc_ct_hdr_fill(const struct fc_frame *fp,
unsigned int op, size_t req_size,
enum fc_ct_fs_type fs_type,
u8 subtype)
{
struct fc_ct_req *ct;
size_t ct_plen;
ct_plen = sizeof(struct fc_ct_hdr) + req_size;
ct = fc_frame_payload_get(fp, ct_plen);
memset(ct, 0, ct_plen);
ct->hdr.ct_rev = FC_CT_REV;
ct->hdr.ct_fs_type = fs_type;
ct->hdr.ct_fs_subtype = subtype;
ct->hdr.ct_cmd = htons((u16) op);
return ct;
}
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/**
* fc_ct_ns_fill() - Fill in a name 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_ns_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)
{
struct fc_ct_req *ct;
size_t len;
switch (op) {
case FC_NS_GPN_FT:
ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_gid_ft),
FC_FST_DIR, FC_NS_SUBTYPE);
ct->payload.gid.fn_fc4_type = FC_TYPE_FCP;
break;
case FC_NS_GPN_ID:
ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_fid),
FC_FST_DIR, FC_NS_SUBTYPE);
ct->payload.gid.fn_fc4_type = FC_TYPE_FCP;
hton24(ct->payload.fid.fp_fid, fc_id);
break;
case FC_NS_RFT_ID:
ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rft),
FC_FST_DIR, FC_NS_SUBTYPE);
hton24(ct->payload.rft.fid.fp_fid, lport->port_id);
ct->payload.rft.fts = lport->fcts;
break;
case FC_NS_RFF_ID:
ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rff_id),
FC_FST_DIR, FC_NS_SUBTYPE);
hton24(ct->payload.rff.fr_fid.fp_fid, lport->port_id);
ct->payload.rff.fr_type = FC_TYPE_FCP;
if (lport->service_params & FCP_SPPF_INIT_FCN)
ct->payload.rff.fr_feat = FCP_FEAT_INIT;
if (lport->service_params & FCP_SPPF_TARG_FCN)
ct->payload.rff.fr_feat |= FCP_FEAT_TARG;
break;
case FC_NS_RNN_ID:
ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rn_id),
FC_FST_DIR, FC_NS_SUBTYPE);
hton24(ct->payload.rn.fr_fid.fp_fid, lport->port_id);
put_unaligned_be64(lport->wwnn, &ct->payload.rn.fr_wwn);
break;
case FC_NS_RSPN_ID:
len = strnlen(fc_host_symbolic_name(lport->host), 255);
ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rspn) + len,
FC_FST_DIR, FC_NS_SUBTYPE);
hton24(ct->payload.spn.fr_fid.fp_fid, lport->port_id);
strncpy(ct->payload.spn.fr_name,
fc_host_symbolic_name(lport->host), len);
ct->payload.spn.fr_name_len = len;
break;
case FC_NS_RSNN_NN:
len = strnlen(fc_host_symbolic_name(lport->host), 255);
ct = fc_ct_hdr_fill(fp, op, sizeof(struct fc_ns_rsnn) + len,
FC_FST_DIR, FC_NS_SUBTYPE);
put_unaligned_be64(lport->wwnn, &ct->payload.snn.fr_wwn);
strncpy(ct->payload.snn.fr_name,
fc_host_symbolic_name(lport->host), len);
ct->payload.snn.fr_name_len = len;
break;
default:
return -EINVAL;
}
*r_ctl = FC_RCTL_DD_UNSOL_CTL;
*fh_type = FC_TYPE_CT;
return 0;
}
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/**
* fc_ct_ms_fill() - Fill in a mgmt 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_ms_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)
{
struct fc_ct_req *ct;
size_t len;
struct fc_fdmi_attr_entry *entry;
struct fs_fdmi_attrs *hba_attrs;
int numattrs = 0;
switch (op) {
case FC_FDMI_RHBA:
numattrs = 10;
len = sizeof(struct fc_fdmi_rhba);
len -= sizeof(struct fc_fdmi_attr_entry);
len += (numattrs * FC_FDMI_ATTR_ENTRY_HEADER_LEN);
len += FC_FDMI_HBA_ATTR_NODENAME_LEN;
len += FC_FDMI_HBA_ATTR_MANUFACTURER_LEN;
len += FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN;
len += FC_FDMI_HBA_ATTR_MODEL_LEN;
len += FC_FDMI_HBA_ATTR_MODELDESCR_LEN;
len += FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN;
len += FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN;
len += FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN;
len += FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN;
len += FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN;
ct = fc_ct_hdr_fill(fp, op, len, FC_FST_MGMT,
FC_FDMI_SUBTYPE);
/* HBA Identifier */
put_unaligned_be64(lport->wwpn, &ct->payload.rhba.hbaid.id);
/* Number of Ports - always 1 */
put_unaligned_be32(1, &ct->payload.rhba.port.numport);
/* Port Name */
put_unaligned_be64(lport->wwpn,
&ct->payload.rhba.port.port[0].portname);
/* HBA Attributes */
put_unaligned_be32(numattrs,
&ct->payload.rhba.hba_attrs.numattrs);
hba_attrs = &ct->payload.rhba.hba_attrs;
entry = (struct fc_fdmi_attr_entry *)hba_attrs->attr;
/* NodeName*/
len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
len += FC_FDMI_HBA_ATTR_NODENAME_LEN;
put_unaligned_be16(FC_FDMI_HBA_ATTR_NODENAME,
&entry->type);
put_unaligned_be16(len, &entry->len);
put_unaligned_be64(lport->wwnn,
(__be64 *)&entry->value[0]);
/* Manufacturer */
entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
FC_FDMI_HBA_ATTR_NODENAME_LEN);
len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
len += FC_FDMI_HBA_ATTR_MANUFACTURER_LEN;
put_unaligned_be16(FC_FDMI_HBA_ATTR_MANUFACTURER,
&entry->type);
put_unaligned_be16(len, &entry->len);
strncpy((char *)&entry->value,
fc_host_manufacturer(lport->host),
FC_FDMI_HBA_ATTR_MANUFACTURER_LEN);
/* SerialNumber */
entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
FC_FDMI_HBA_ATTR_MANUFACTURER_LEN);
len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
len += FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN;
put_unaligned_be16(FC_FDMI_HBA_ATTR_SERIALNUMBER,
&entry->type);
put_unaligned_be16(len, &entry->len);
strncpy((char *)&entry->value,
fc_host_serial_number(lport->host),
FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN);
/* Model */
entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN);
len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
len += FC_FDMI_HBA_ATTR_MODEL_LEN;
put_unaligned_be16(FC_FDMI_HBA_ATTR_MODEL,
&entry->type);
put_unaligned_be16(len, &entry->len);
strncpy((char *)&entry->value,
fc_host_model(lport->host),
FC_FDMI_HBA_ATTR_MODEL_LEN);
/* Model Description */
entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
FC_FDMI_HBA_ATTR_MODEL_LEN);
len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
len += FC_FDMI_HBA_ATTR_MODELDESCR_LEN;
put_unaligned_be16(FC_FDMI_HBA_ATTR_MODELDESCRIPTION,
&entry->type);
put_unaligned_be16(len, &entry->len);
strncpy((char *)&entry->value,
fc_host_model_description(lport->host),
FC_FDMI_HBA_ATTR_MODELDESCR_LEN);
/* Hardware Version */
entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
FC_FDMI_HBA_ATTR_MODELDESCR_LEN);
len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
len += FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN;
put_unaligned_be16(FC_FDMI_HBA_ATTR_HARDWAREVERSION,
&entry->type);
put_unaligned_be16(len, &entry->len);
strncpy((char *)&entry->value,
fc_host_hardware_version(lport->host),
FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN);
/* Driver Version */
entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN);
len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
len += FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN;
put_unaligned_be16(FC_FDMI_HBA_ATTR_DRIVERVERSION,
&entry->type);
put_unaligned_be16(len, &entry->len);
strncpy((char *)&entry->value,
fc_host_driver_version(lport->host),
FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN);
/* OptionROM Version */
entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN);
len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
len += FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN;
put_unaligned_be16(FC_FDMI_HBA_ATTR_OPTIONROMVERSION,
&entry->type);
put_unaligned_be16(len, &entry->len);
strncpy((char *)&entry->value,
fc_host_optionrom_version(lport->host),
FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN);
/* Firmware Version */
entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN);
len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
len += FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN;
put_unaligned_be16(FC_FDMI_HBA_ATTR_FIRMWAREVERSION,
&entry->type);
put_unaligned_be16(len, &entry->len);
strncpy((char *)&entry->value,
fc_host_firmware_version(lport->host),
FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN);
/* OS Name and Version */
entry = (struct fc_fdmi_attr_entry *)((char *)entry->value +
FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN);
len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
len += FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN;
put_unaligned_be16(FC_FDMI_HBA_ATTR_OSNAMEVERSION,
&entry->type);
put_unaligned_be16(len, &entry->len);
snprintf((char *)&entry->value,
FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN,
"%s v%s",
init_utsname()->sysname,
init_utsname()->release);
break;
case FC_FDMI_RPA:
numattrs = 6;
len = sizeof(struct fc_fdmi_rpa);
len -= sizeof(struct fc_fdmi_attr_entry);
len += (numattrs * FC_FDMI_ATTR_ENTRY_HEADER_LEN);
len += FC_FDMI_PORT_ATTR_FC4TYPES_LEN;
len += FC_FDMI_PORT_ATTR_SUPPORTEDSPEED_LEN;
len += FC_FDMI_PORT_ATTR_CURRENTPORTSPEED_LEN;
len += FC_FDMI_PORT_ATTR_MAXFRAMESIZE_LEN;
len += FC_FDMI_PORT_ATTR_OSDEVICENAME_LEN;
len += FC_FDMI_PORT_ATTR_HOSTNAME_LEN;
ct = fc_ct_hdr_fill(fp, op, len, FC_FST_MGMT,
FC_FDMI_SUBTYPE);
/* Port Name */
put_unaligned_be64(lport->wwpn,
&ct->payload.rpa.port.portname);
/* Port Attributes */
put_unaligned_be32(numattrs,
&ct->payload.rpa.hba_attrs.numattrs);
hba_attrs = &ct->payload.rpa.hba_attrs;
entry = (struct fc_fdmi_attr_entry *)hba_attrs->attr;
/* FC4 types */
len = FC_FDMI_ATTR_ENTRY_HEADER_LEN;
len += FC_FDMI_PORT_ATTR_FC4TYPES_LEN;
put_unaligned_be16(FC_FDMI_PORT_ATTR_FC4TYPES,
&entry->type);
put_unaligned_be16(len, &entry->len);
memcpy(&entry->value, fc_host_supported_fc4s(lport->host),
FC_FDMI_PORT_ATTR_FC4TYPES_LEN);
/* 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;
}
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/**
* 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;
}
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/**
* 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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
robert love | robert love | 230 | 100.00% | 1 | 100.00% |
| Total | 230 | 100.00% | 1 | 100.00% |
/**
* 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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
robert love | robert love | 157 | 90.75% | 1 | 50.00% |
chris leech | chris leech | 16 | 9.25% | 1 | 50.00% |
| Total | 173 | 100.00% | 2 | 100.00% |
/**
* 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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
chris leech | chris leech | 157 | 99.37% | 1 | 50.00% |
robert love | robert love | 1 | 0.63% | 1 | 50.00% |
| Total | 158 | 100.00% | 2 | 100.00% |
/**
* 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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
robert love | robert love | 76 | 100.00% | 2 | 100.00% |
| Total | 76 | 100.00% | 2 | 100.00% |
/**
* 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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
robert love | robert love | 54 | 100.00% | 1 | 100.00% |
| Total | 54 | 100.00% | 1 | 100.00% |
/**
* 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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
robert love | robert love | 100 | 100.00% | 2 | 100.00% |
| Total | 100 | 100.00% | 2 | 100.00% |
/**
* 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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
robert love | robert love | 121 | 100.00% | 1 | 100.00% |
| Total | 121 | 100.00% | 1 | 100.00% |
/**
* 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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
robert love | robert love | 60 | 100.00% | 1 | 100.00% |
| Total | 60 | 100.00% | 1 | 100.00% |
/**
* 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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
robert love | robert love | 135 | 84.91% | 1 | 25.00% |
joe eykholt | joe eykholt | 13 | 8.18% | 2 | 50.00% |
chris leech | chris leech | 11 | 6.92% | 1 | 25.00% |
| Total | 159 | 100.00% | 4 | 100.00% |
#endif /* _FC_ENCODE_H_ */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
neerav parikh | neerav parikh | 1767 | 46.43% | 2 | 13.33% |
robert love | robert love | 1379 | 36.23% | 2 | 13.33% |
chris leech | chris leech | 323 | 8.49% | 4 | 26.67% |
joe eykholt | joe eykholt | 272 | 7.15% | 6 | 40.00% |
bhanu prakash gollapudi | bhanu prakash gollapudi | 65 | 1.71% | 1 | 6.67% |
| Total | 3806 | 100.00% | 15 | 100.00% |
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