/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that 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.
*/
/**
* port_api.c BFA FCS port
*/
#include <fcs/bfa_fcs.h>
#include <fcs/bfa_fcs_lport.h>
#include <fcs/bfa_fcs_rport.h>
#include "fcs_rport.h"
#include "fcs_fabric.h"
#include "fcs_trcmod.h"
#include "fcs_vport.h"
BFA_TRC_FILE(FCS, PORT_API);
/**
* fcs_port_api BFA FCS port API
*/
void
bfa_fcs_cfg_base_port(struct bfa_fcs_s *fcs, struct bfa_port_cfg_s *port_cfg)
{
}
struct bfa_fcs_port_s *
bfa_fcs_get_base_port(struct bfa_fcs_s *fcs)
{
return (&fcs->fabric.bport);
}
wwn_t
bfa_fcs_port_get_rport(struct bfa_fcs_port_s *port, wwn_t wwn, int index,
int nrports, bfa_boolean_t bwwn)
{
struct list_head *qh, *qe;
struct bfa_fcs_rport_s *rport = NULL;
int i;
struct bfa_fcs_s *fcs;
if (port == NULL || nrports == 0)
return (wwn_t) 0;
fcs = port->fcs;
bfa_trc(fcs, (u32) nrports);
i = 0;
qh = &port->rport_q;
qe = bfa_q_first(qh);
while ((qe != qh) && (i < nrports)) {
rport = (struct bfa_fcs_rport_s *)qe;
if (bfa_os_ntoh3b(rport->pid) > 0xFFF000) {
qe = bfa_q_next(qe);
bfa_trc(fcs, (u32) rport->pwwn);
bfa_trc(fcs, rport->pid);
bfa_trc(fcs, i);
continue;
}
if (bwwn) {
if (!memcmp(&wwn, &rport->pwwn, 8))
break;
} else {
if (i == index)
break;
}
i++;
qe = bfa_q_next(qe);
}
bfa_trc(fcs, i);
if (rport) {
return rport->pwwn;
} else {
return (wwn_t) 0;
}
}
void
bfa_fcs_port_get_rports(struct bfa_fcs_port_s *port, wwn_t rport_wwns[],
int *nrports)
{
struct list_head *qh, *qe;
struct bfa_fcs_rport_s *rport = NULL;
int i;
struct bfa_fcs_s *fcs;
if (port == NULL || rport_wwns == NULL || *nrports == 0)
return;
fcs = port->fcs;
bfa_trc(fcs, (u32) *nrports);
i = 0;
qh = &port->rport_q;
qe = bfa_q_first(qh);
while ((qe != qh) && (i < *nrports)) {
rport = (struct bfa_fcs_rport_s *)qe;
if (bfa_os_ntoh3b(rport->pid) > 0xFFF000) {
qe = bfa_q_next(qe);
bfa_trc(fcs, (u32) rport->pwwn);
bfa_trc(fcs, rport->pid);
bfa_trc(fcs, i);
continue;
}
rport_wwns[i] = rport->pwwn;
i++;
qe = bfa_q_next(qe);
}
bfa_trc(fcs, i);
*nrports = i;
return;
}
/*
* Iterate's through all the rport's in the given port to
* determine the maximum operating speed.
*/
enum bfa_pport_speed
bfa_fcs_port_get_rport_max_speed(struct bfa_fcs_port_s *port)
{
struct list_head *qh, *qe;
struct bfa_fcs_rport_s *rport = NULL;
struct bfa_fcs_s *fcs;
enum bfa_pport_speed max_speed = 0;
struct bfa_pport_attr_s pport_attr;
enum bfa_pport_speed pport_speed;
if (port == NULL)
return 0;
fcs = port->fcs;
/*
* Get Physical port's current speed
*/
bfa_pport_get_attr(port->fcs->bfa, &pport_attr);
pport_speed = pport_attr.speed;
bfa_trc(fcs, pport_speed);
qh = &port->rport_q;
qe = bfa_q_first(qh);
while (qe != qh) {
rport = (struct bfa_fcs_rport_s *)qe;
if ((bfa_os_ntoh3b(rport->pid) > 0xFFF000)
|| (bfa_fcs_rport_get_state(rport) == BFA_RPORT_OFFLINE)) {
qe = bfa_q_next(qe);
continue;
}
if ((rport->rpf.rpsc_speed == BFA_PPORT_SPEED_8GBPS)
|| (rport->rpf.rpsc_speed > pport_speed)) {
max_speed = rport->rpf.rpsc_speed;
break;
} else if (rport->rpf.rpsc_speed > max_speed) {
max_speed = rport->rpf.rpsc_speed;
}
qe = bfa_q_next(qe);
}
bfa_trc(fcs, max_speed);
return max_speed;
}
struct bfa_fcs_port_s *
bfa_fcs_lookup_port(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t lpwwn)
{
struct bfa_fcs_vport_s *vport;
bfa_fcs_vf_t *vf;
bfa_assert(fcs != NULL);
vf = bfa_fcs_vf_lookup(fcs, vf_id);
if (vf == NULL) {
bfa_trc(fcs, vf_id);
return (NULL);
}
if (!lpwwn || (vf->bport.port_cfg.pwwn == lpwwn))
return (&vf->bport);
vport = bfa_fcs_fabric_vport_lookup(vf, lpwwn);
if (vport)
return (&vport->lport);
return (NULL);
}
/*
* API corresponding to VmWare's NPIV_VPORT_GETINFO.
*/
void
bfa_fcs_port_get_info(struct bfa_fcs_port_s *port,
struct bfa_port_info_s *port_info)
{
bfa_trc(port->fcs, port->fabric->fabric_name);
if (port->vport == NULL) {
/*
* This is a Physical port
*/
port_info->port_type = BFA_PORT_TYPE_PHYSICAL;
/*
* @todo : need to fix the state & reason
*/
port_info->port_state = 0;
port_info->offline_reason = 0;
port_info->port_wwn = bfa_fcs_port_get_pwwn(port);
port_info->node_wwn = bfa_fcs_port_get_nwwn(port);
port_info->max_vports_supp = bfa_fcs_vport_get_max(port->fcs);
port_info->num_vports_inuse =
bfa_fcs_fabric_vport_count(port->fabric);
port_info->max_rports_supp = BFA_FCS_MAX_RPORTS_SUPP;
port_info->num_rports_inuse = port->num_rports;
} else {
/*
* This is a virtual port
*/
port_info->port_type = BFA_PORT_TYPE_VIRTUAL;
/*
* @todo : need to fix the state & reason
*/
port_info->port_state = 0;
port_info->offline_reason = 0;
port_info->port_wwn = bfa_fcs_port_get_pwwn(port);
port_info->node_wwn = bfa_fcs_port_get_nwwn(port);
}
}
void
bfa_fcs_port_get_stats(struct bfa_fcs_port_s *fcs_port,
struct bfa_port_stats_s *port_stats)
{
bfa_os_memcpy(port_stats, &fcs_port->stats,
sizeof(struct bfa_port_stats_s));
return;
}
void
bfa_fcs_port_clear_stats(struct bfa_fcs_port_s *fcs_port)
{
bfa_os_memset(&fcs_port->stats, 0, sizeof(struct bfa_port_stats_s));
return;
}
void
bfa_fcs_port_enable_ipfc_roles(struct bfa_fcs_port_s *fcs_port)
{
fcs_port->port_cfg.roles |= BFA_PORT_ROLE_FCP_IPFC;
return;
}
void
bfa_fcs_port_disable_ipfc_roles(struct bfa_fcs_port_s *fcs_port)
{
fcs_port->port_cfg.roles &= ~BFA_PORT_ROLE_FCP_IPFC;
return;
}
