// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
 * Copyright (c) 2014- QLogic Corporation.
 * All rights reserved
 * www.qlogic.com
 *
 * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
 */

#include "bfad_drv.h"
#include "bfad_im.h"
#include "bfa_fcs.h"
#include "bfa_fcbuild.h"
#include "bfa_fc.h"

BFA_TRC_FILE(FCS, PORT);

/*
 * ALPA to LIXA bitmap mapping
 *
 * ALPA 0x00 (Word 0, Bit 30) is invalid for N_Ports. Also Word 0 Bit 31
 * is for L_bit (login required) and is filled as ALPA 0x00 here.
 */
static const u8 loop_alpa_map[] = {
        0x00, 0x00, 0x01, 0x02, 0x04, 0x08, 0x0F, 0x10, /* Word 0 Bits 31..24 */
        0x17, 0x18, 0x1B, 0x1D, 0x1E, 0x1F, 0x23, 0x25, /* Word 0 Bits 23..16 */
        0x26, 0x27, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, /* Word 0 Bits 15..08 */
        0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x39, 0x3A, /* Word 0 Bits 07..00 */

        0x3C, 0x43, 0x45, 0x46, 0x47, 0x49, 0x4A, 0x4B, /* Word 1 Bits 31..24 */
        0x4C, 0x4D, 0x4E, 0x51, 0x52, 0x53, 0x54, 0x55, /* Word 1 Bits 23..16 */
        0x56, 0x59, 0x5A, 0x5C, 0x63, 0x65, 0x66, 0x67, /* Word 1 Bits 15..08 */
        0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x71, 0x72, /* Word 1 Bits 07..00 */

        0x73, 0x74, 0x75, 0x76, 0x79, 0x7A, 0x7C, 0x80, /* Word 2 Bits 31..24 */
        0x81, 0x82, 0x84, 0x88, 0x8F, 0x90, 0x97, 0x98, /* Word 2 Bits 23..16 */
        0x9B, 0x9D, 0x9E, 0x9F, 0xA3, 0xA5, 0xA6, 0xA7, /* Word 2 Bits 15..08 */
        0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xB1, 0xB2, /* Word 2 Bits 07..00 */

        0xB3, 0xB4, 0xB5, 0xB6, 0xB9, 0xBA, 0xBC, 0xC3, /* Word 3 Bits 31..24 */
        0xC5, 0xC6, 0xC7, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, /* Word 3 Bits 23..16 */
        0xCE, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD9, /* Word 3 Bits 15..08 */
        0xDA, 0xDC, 0xE0, 0xE1, 0xE2, 0xE4, 0xE8, 0xEF, /* Word 3 Bits 07..00 */
};

static void     bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port,
                                         struct fchs_s *rx_fchs, u8 reason_code,
                                         u8 reason_code_expl);
static void     bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port,
                        struct fchs_s *rx_fchs, struct fc_logi_s *plogi);
static void     bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port);
static void     bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port);
static void     bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port);
static void     bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port);
static void     bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port);
static void     bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port);
static void     bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port,
                        struct fchs_s *rx_fchs,
                        struct fc_echo_s *echo, u16 len);
static void     bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port,
                        struct fchs_s *rx_fchs,
                        struct fc_rnid_cmd_s *rnid, u16 len);
static void     bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port,
                        struct fc_rnid_general_topology_data_s *gen_topo_data);

static void     bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port);
static void     bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port);
static void     bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port);

static void     bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port);
static void     bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port);
static void     bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port);

static void     bfa_fcs_lport_loop_init(struct bfa_fcs_lport_s *port);
static void     bfa_fcs_lport_loop_online(struct bfa_fcs_lport_s *port);
static void     bfa_fcs_lport_loop_offline(struct bfa_fcs_lport_s *port);

static struct {
        void            (*init) (struct bfa_fcs_lport_s *port);
        void            (*online) (struct bfa_fcs_lport_s *port);
        void            (*offline) (struct bfa_fcs_lport_s *port);
} __port_action[] = {
        [BFA_FCS_FABRIC_UNKNOWN] = {
                .init = bfa_fcs_lport_unknown_init,
                .online = bfa_fcs_lport_unknown_online,
                .offline = bfa_fcs_lport_unknown_offline
        },
        [BFA_FCS_FABRIC_SWITCHED] = {
                .init = bfa_fcs_lport_fab_init,
                .online = bfa_fcs_lport_fab_online,
                .offline = bfa_fcs_lport_fab_offline
        },
        [BFA_FCS_FABRIC_N2N] = {
                .init = bfa_fcs_lport_n2n_init,
                .online = bfa_fcs_lport_n2n_online,
                .offline = bfa_fcs_lport_n2n_offline
        },
        [BFA_FCS_FABRIC_LOOP] = {
                .init = bfa_fcs_lport_loop_init,
                .online = bfa_fcs_lport_loop_online,
                .offline = bfa_fcs_lport_loop_offline
        },
};

static void     bfa_fcs_lport_sm_uninit(struct bfa_fcs_lport_s *port,
                                        enum bfa_fcs_lport_event event);
static void     bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
                                        enum bfa_fcs_lport_event event);
static void     bfa_fcs_lport_sm_online(struct bfa_fcs_lport_s *port,
                                        enum bfa_fcs_lport_event event);
static void     bfa_fcs_lport_sm_offline(struct bfa_fcs_lport_s *port,
                                        enum bfa_fcs_lport_event event);
static void     bfa_fcs_lport_sm_deleting(struct bfa_fcs_lport_s *port,
                                        enum bfa_fcs_lport_event event);
static void     bfa_fcs_lport_sm_stopping(struct bfa_fcs_lport_s *port,
                                        enum bfa_fcs_lport_event event);

static void
bfa_fcs_lport_sm_uninit(
        struct bfa_fcs_lport_s *port,
        enum bfa_fcs_lport_event event)
{
        bfa_trc(port->fcs, port->port_cfg.pwwn);
        bfa_trc(port->fcs, event);

        switch (event) {
        case BFA_FCS_PORT_SM_CREATE:
                bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
                break;

        default:
                bfa_sm_fault(port->fcs, event);
        }
}

static void
bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
                        enum bfa_fcs_lport_event event)
{
        bfa_trc(port->fcs, port->port_cfg.pwwn);
        bfa_trc(port->fcs, event);

        switch (event) {
        case BFA_FCS_PORT_SM_ONLINE:
                bfa_sm_set_state(port, bfa_fcs_lport_sm_online);
                bfa_fcs_lport_online_actions(port);
                break;

        case BFA_FCS_PORT_SM_DELETE:
                bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
                bfa_fcs_lport_deleted(port);
                break;

        case BFA_FCS_PORT_SM_STOP:
                /* If vport - send completion call back */
                if (port->vport)
                        bfa_fcs_vport_stop_comp(port->vport);
                else
                        bfa_wc_down(&(port->fabric->stop_wc));
                break;

        case BFA_FCS_PORT_SM_OFFLINE:
                break;

        default:
                bfa_sm_fault(port->fcs, event);
        }
}

static void
bfa_fcs_lport_sm_online(
        struct bfa_fcs_lport_s *port,
        enum bfa_fcs_lport_event event)
{
        struct bfa_fcs_rport_s *rport;
        struct list_head                *qe, *qen;

        bfa_trc(port->fcs, port->port_cfg.pwwn);
        bfa_trc(port->fcs, event);

        switch (event) {
        case BFA_FCS_PORT_SM_OFFLINE:
                bfa_sm_set_state(port, bfa_fcs_lport_sm_offline);
                bfa_fcs_lport_offline_actions(port);
                break;

        case BFA_FCS_PORT_SM_STOP:
                __port_action[port->fabric->fab_type].offline(port);

                if (port->num_rports == 0) {
                        bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
                        /* If vport - send completion call back */
                        if (port->vport)
                                bfa_fcs_vport_stop_comp(port->vport);
                        else
                                bfa_wc_down(&(port->fabric->stop_wc));
                } else {
                        bfa_sm_set_state(port, bfa_fcs_lport_sm_stopping);
                        list_for_each_safe(qe, qen, &port->rport_q) {
                                rport = (struct bfa_fcs_rport_s *) qe;
                                bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
                        }
                }
                break;

        case BFA_FCS_PORT_SM_DELETE:

                __port_action[port->fabric->fab_type].offline(port);

                if (port->num_rports == 0) {
                        bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
                        bfa_fcs_lport_deleted(port);
                } else {
                        bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting);
                        list_for_each_safe(qe, qen, &port->rport_q) {
                                rport = (struct bfa_fcs_rport_s *) qe;
                                bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
                        }
                }
                break;

        case BFA_FCS_PORT_SM_DELRPORT:
                break;

        default:
                bfa_sm_fault(port->fcs, event);
        }
}

static void
bfa_fcs_lport_sm_offline(
        struct bfa_fcs_lport_s *port,
        enum bfa_fcs_lport_event event)
{
        struct bfa_fcs_rport_s *rport;
        struct list_head                *qe, *qen;

        bfa_trc(port->fcs, port->port_cfg.pwwn);
        bfa_trc(port->fcs, event);

        switch (event) {
        case BFA_FCS_PORT_SM_ONLINE:
                bfa_sm_set_state(port, bfa_fcs_lport_sm_online);
                bfa_fcs_lport_online_actions(port);
                break;

        case BFA_FCS_PORT_SM_STOP:
                if (port->num_rports == 0) {
                        bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
                        /* If vport - send completion call back */
                        if (port->vport)
                                bfa_fcs_vport_stop_comp(port->vport);
                        else
                                bfa_wc_down(&(port->fabric->stop_wc));
                } else {
                        bfa_sm_set_state(port, bfa_fcs_lport_sm_stopping);
                        list_for_each_safe(qe, qen, &port->rport_q) {
                                rport = (struct bfa_fcs_rport_s *) qe;
                                bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
                        }
                }
                break;

        case BFA_FCS_PORT_SM_DELETE:
                if (port->num_rports == 0) {
                        bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
                        bfa_fcs_lport_deleted(port);
                } else {
                        bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting);
                        list_for_each_safe(qe, qen, &port->rport_q) {
                                rport = (struct bfa_fcs_rport_s *) qe;
                                bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
                        }
                }
                break;

        case BFA_FCS_PORT_SM_DELRPORT:
        case BFA_FCS_PORT_SM_OFFLINE:
                break;

        default:
                bfa_sm_fault(port->fcs, event);
        }
}

static void
bfa_fcs_lport_sm_stopping(struct bfa_fcs_lport_s *port,
                          enum bfa_fcs_lport_event event)
{
        bfa_trc(port->fcs, port->port_cfg.pwwn);
        bfa_trc(port->fcs, event);

        switch (event) {
        case BFA_FCS_PORT_SM_DELRPORT:
                if (port->num_rports == 0) {
                        bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
                        /* If vport - send completion call back */
                        if (port->vport)
                                bfa_fcs_vport_stop_comp(port->vport);
                        else
                                bfa_wc_down(&(port->fabric->stop_wc));
                }
                break;

        default:
                bfa_sm_fault(port->fcs, event);
        }
}

static void
bfa_fcs_lport_sm_deleting(
        struct bfa_fcs_lport_s *port,
        enum bfa_fcs_lport_event event)
{
        bfa_trc(port->fcs, port->port_cfg.pwwn);
        bfa_trc(port->fcs, event);

        switch (event) {
        case BFA_FCS_PORT_SM_DELRPORT:
                if (port->num_rports == 0) {
                        bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
                        bfa_fcs_lport_deleted(port);
                }
                break;

        default:
                bfa_sm_fault(port->fcs, event);
        }
}

/*
 *  fcs_port_pvt
 */

/*
 * Send AEN notification
 */
static void
bfa_fcs_lport_aen_post(struct bfa_fcs_lport_s *port,
                        enum bfa_lport_aen_event event)
{
        struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
        struct bfa_aen_entry_s  *aen_entry;

        bfad_get_aen_entry(bfad, aen_entry);
        if (!aen_entry)
                return;

        aen_entry->aen_data.lport.vf_id = port->fabric->vf_id;
        aen_entry->aen_data.lport.roles = port->port_cfg.roles;
        aen_entry->aen_data.lport.ppwwn = bfa_fcs_lport_get_pwwn(
                                        bfa_fcs_get_base_port(port->fcs));
        aen_entry->aen_data.lport.lpwwn = bfa_fcs_lport_get_pwwn(port);

        /* Send the AEN notification */
        bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,
                                  BFA_AEN_CAT_LPORT, event);
}

/*
 * Send a LS reject
 */
static void
bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
                         u8 reason_code, u8 reason_code_expl)
{
        struct fchs_s   fchs;
        struct bfa_fcxp_s *fcxp;
        struct bfa_rport_s *bfa_rport = NULL;
        int             len;

        bfa_trc(port->fcs, rx_fchs->d_id);
        bfa_trc(port->fcs, rx_fchs->s_id);

        fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
        if (!fcxp)
                return;

        len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
                              rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
                              rx_fchs->ox_id, reason_code, reason_code_expl);

        bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
                          BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
                          FC_MAX_PDUSZ, 0);
}

/*
 * Send a FCCT Reject
 */
static void
bfa_fcs_lport_send_fcgs_rjt(struct bfa_fcs_lport_s *port,
        struct fchs_s *rx_fchs, u8 reason_code, u8 reason_code_expl)
{
        struct fchs_s   fchs;
        struct bfa_fcxp_s *fcxp;
        struct bfa_rport_s *bfa_rport = NULL;
        int             len;
        struct ct_hdr_s *rx_cthdr = (struct ct_hdr_s *)(rx_fchs + 1);
        struct ct_hdr_s *ct_hdr;

        bfa_trc(port->fcs, rx_fchs->d_id);
        bfa_trc(port->fcs, rx_fchs->s_id);

        fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
        if (!fcxp)
                return;

        ct_hdr = bfa_fcxp_get_reqbuf(fcxp);
        ct_hdr->gs_type = rx_cthdr->gs_type;
        ct_hdr->gs_sub_type = rx_cthdr->gs_sub_type;

        len = fc_gs_rjt_build(&fchs, ct_hdr, rx_fchs->s_id,
                        bfa_fcs_lport_get_fcid(port),
                        rx_fchs->ox_id, reason_code, reason_code_expl);

        bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
                        BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
                        FC_MAX_PDUSZ, 0);
}

/*
 * Process incoming plogi from a remote port.
 */
static void
bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port,
                struct fchs_s *rx_fchs, struct fc_logi_s *plogi)
{
        struct bfa_fcs_rport_s *rport;

        bfa_trc(port->fcs, rx_fchs->d_id);
        bfa_trc(port->fcs, rx_fchs->s_id);

        /*
         * If min cfg mode is enabled, drop any incoming PLOGIs
         */
        if (__fcs_min_cfg(port->fcs)) {
                bfa_trc(port->fcs, rx_fchs->s_id);
                return;
        }

        if (fc_plogi_parse(rx_fchs) != FC_PARSE_OK) {
                bfa_trc(port->fcs, rx_fchs->s_id);
                /*
                 * send a LS reject
                 */
                bfa_fcs_lport_send_ls_rjt(port, rx_fchs,
                                        FC_LS_RJT_RSN_PROTOCOL_ERROR,
                                        FC_LS_RJT_EXP_SPARMS_ERR_OPTIONS);
                return;
        }

        /*
         * Direct Attach P2P mode : verify address assigned by the r-port.
         */
        if ((!bfa_fcs_fabric_is_switched(port->fabric)) &&
                (memcmp((void *)&bfa_fcs_lport_get_pwwn(port),
                           (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) {
                if (BFA_FCS_PID_IS_WKA(rx_fchs->d_id)) {
                        /* Address assigned to us cannot be a WKA */
                        bfa_fcs_lport_send_ls_rjt(port, rx_fchs,
                                        FC_LS_RJT_RSN_PROTOCOL_ERROR,
                                        FC_LS_RJT_EXP_INVALID_NPORT_ID);
                        return;
                }
                port->pid  = rx_fchs->d_id;
                bfa_lps_set_n2n_pid(port->fabric->lps, rx_fchs->d_id);
        }

        /*
         * First, check if we know the device by pwwn.
         */
        rport = bfa_fcs_lport_get_rport_by_pwwn(port, plogi->port_name);
        if (rport) {
                /*
                 * Direct Attach P2P mode : handle address assigned by r-port.
                 */
                if ((!bfa_fcs_fabric_is_switched(port->fabric)) &&
                        (memcmp((void *)&bfa_fcs_lport_get_pwwn(port),
                        (void *)&plogi->port_name, sizeof(wwn_t)) < 0)) {
                        port->pid  = rx_fchs->d_id;
                        bfa_lps_set_n2n_pid(port->fabric->lps, rx_fchs->d_id);
                        rport->pid = rx_fchs->s_id;
                }
                bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
                return;
        }

        /*
         * Next, lookup rport by PID.
         */
        rport = bfa_fcs_lport_get_rport_by_pid(port, rx_fchs->s_id);
        if (!rport) {
                /*
                 * Inbound PLOGI from a new device.
                 */
                bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
                return;
        }

        /*
         * Rport is known only by PID.
         */
        if (rport->pwwn) {
                /*
                 * This is a different device with the same pid. Old device
                 * disappeared. Send implicit LOGO to old device.
                 */
                WARN_ON(rport->pwwn == plogi->port_name);
                bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP);

                /*
                 * Inbound PLOGI from a new device (with old PID).
                 */
                bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
                return;
        }

        /*
         * PLOGI crossing each other.
         */
        WARN_ON(rport->pwwn != WWN_NULL);
        bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
}

/*
 * Process incoming ECHO.
 * Since it does not require a login, it is processed here.
 */
static void
bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
                struct fc_echo_s *echo, u16 rx_len)
{
        struct fchs_s           fchs;
        struct bfa_fcxp_s       *fcxp;
        struct bfa_rport_s      *bfa_rport = NULL;
        int                     len, pyld_len;

        bfa_trc(port->fcs, rx_fchs->s_id);
        bfa_trc(port->fcs, rx_fchs->d_id);

        fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
        if (!fcxp)
                return;

        len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
                                rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
                                rx_fchs->ox_id);

        /*
         * Copy the payload (if any) from the echo frame
         */
        pyld_len = rx_len - sizeof(struct fchs_s);
        bfa_trc(port->fcs, rx_len);
        bfa_trc(port->fcs, pyld_len);

        if (pyld_len > len)
                memcpy(((u8 *) bfa_fcxp_get_reqbuf(fcxp)) +
                        sizeof(struct fc_echo_s), (echo + 1),
                        (pyld_len - sizeof(struct fc_echo_s)));

        bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
                        BFA_FALSE, FC_CLASS_3, pyld_len, &fchs, NULL, NULL,
                        FC_MAX_PDUSZ, 0);
}

/*
 * Process incoming RNID.
 * Since it does not require a login, it is processed here.
 */
static void
bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
                struct fc_rnid_cmd_s *rnid, u16 rx_len)
{
        struct fc_rnid_common_id_data_s common_id_data;
        struct fc_rnid_general_topology_data_s gen_topo_data;
        struct fchs_s   fchs;
        struct bfa_fcxp_s *fcxp;
        struct bfa_rport_s *bfa_rport = NULL;
        u16     len;
        u32     data_format;

        bfa_trc(port->fcs, rx_fchs->s_id);
        bfa_trc(port->fcs, rx_fchs->d_id);
        bfa_trc(port->fcs, rx_len);

        fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
        if (!fcxp)
                return;

        /*
         * Check Node Indentification Data Format
         * We only support General Topology Discovery Format.
         * For any other requested Data Formats, we return Common Node Id Data
         * only, as per FC-LS.
         */
        bfa_trc(port->fcs, rnid->node_id_data_format);
        if (rnid->node_id_data_format == RNID_NODEID_DATA_FORMAT_DISCOVERY) {
                data_format = RNID_NODEID_DATA_FORMAT_DISCOVERY;
                /*
                 * Get General topology data for this port
                 */
                bfa_fs_port_get_gen_topo_data(port, &gen_topo_data);
        } else {
                data_format = RNID_NODEID_DATA_FORMAT_COMMON;
        }

        /*
         * Copy the Node Id Info
         */
        common_id_data.port_name = bfa_fcs_lport_get_pwwn(port);
        common_id_data.node_name = bfa_fcs_lport_get_nwwn(port);

        len = fc_rnid_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
                                rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
                                rx_fchs->ox_id, data_format, &common_id_data,
                                &gen_topo_data);

        bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
                        BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
                        FC_MAX_PDUSZ, 0);
}

/*
 *  Fill out General Topolpgy Discovery Data for RNID ELS.
 */
static void
bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port,
                        struct fc_rnid_general_topology_data_s *gen_topo_data)
{
        memset(gen_topo_data, 0,
                      sizeof(struct fc_rnid_general_topology_data_s));

        gen_topo_data->asso_type = cpu_to_be32(RNID_ASSOCIATED_TYPE_HOST);
        gen_topo_data->phy_port_num = 0;        /* @todo */
        gen_topo_data->num_attached_nodes = cpu_to_be32(1);
}

static void
bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port)
{
        struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
        char    lpwwn_buf[BFA_STRING_32];

        bfa_trc(port->fcs, port->fabric->oper_type);

        __port_action[port->fabric->fab_type].init(port);
        __port_action[port->fabric->fab_type].online(port);

        wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
        BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
                "Logical port online: WWN = %s Role = %s\n",
                lpwwn_buf, "Initiator");
        bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_ONLINE);

        bfad->bfad_flags |= BFAD_PORT_ONLINE;
}

static void
bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port)
{
        struct list_head        *qe, *qen;
        struct bfa_fcs_rport_s *rport;
        struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
        char    lpwwn_buf[BFA_STRING_32];

        bfa_trc(port->fcs, port->fabric->oper_type);

        __port_action[port->fabric->fab_type].offline(port);

        wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
        if (bfa_sm_cmp_state(port->fabric,
                        bfa_fcs_fabric_sm_online) == BFA_TRUE) {
                BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
                "Logical port lost fabric connectivity: WWN = %s Role = %s\n",
                lpwwn_buf, "Initiator");
                bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_DISCONNECT);
        } else {
                BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
                "Logical port taken offline: WWN = %s Role = %s\n",
                lpwwn_buf, "Initiator");
                bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_OFFLINE);
        }

        list_for_each_safe(qe, qen, &port->rport_q) {
                rport = (struct bfa_fcs_rport_s *) qe;
                bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP);
        }
}

static void
bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port)
{
        WARN_ON(1);
}

static void
bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port)
{
        WARN_ON(1);
}

static void
bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port)
{
        WARN_ON(1);
}

static void
bfa_fcs_lport_abts_acc(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs)
{
        struct fchs_s fchs;
        struct bfa_fcxp_s *fcxp;
        int             len;

        bfa_trc(port->fcs, rx_fchs->d_id);
        bfa_trc(port->fcs, rx_fchs->s_id);

        fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
        if (!fcxp)
                return;

        len = fc_ba_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
                        rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
                        rx_fchs->ox_id, 0);

        bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag,
                          BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
                          FC_MAX_PDUSZ, 0);
}
static void
bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port)
{
        struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
        char    lpwwn_buf[BFA_STRING_32];

        wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
        BFA_LOG(KERN_INFO, bfad, bfa_log_level,
                "Logical port deleted: WWN = %s Role = %s\n",
                lpwwn_buf, "Initiator");
        bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_DELETE);

        /* Base port will be deleted by the OS driver */
        if (port->vport)
                bfa_fcs_vport_delete_comp(port->vport);
        else
                bfa_wc_down(&port->fabric->wc);
}


/*
 * Unsolicited frame receive handling.
 */
void
bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_s *lport,
                        struct fchs_s *fchs, u16 len)
{
        u32     pid = fchs->s_id;
        struct bfa_fcs_rport_s *rport = NULL;
        struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);

        bfa_stats(lport, uf_recvs);
        bfa_trc(lport->fcs, fchs->type);

        if (!bfa_fcs_lport_is_online(lport)) {
                /*
                 * In direct attach topology, it is possible to get a PLOGI
                 * before the lport is online due to port feature
                 * (QoS/Trunk/FEC/CR), so send a rjt
                 */
                if ((fchs->type == FC_TYPE_ELS) &&
                        (els_cmd->els_code == FC_ELS_PLOGI)) {
                        bfa_fcs_lport_send_ls_rjt(lport, fchs,
                                FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD,
                                FC_LS_RJT_EXP_NO_ADDL_INFO);
                        bfa_stats(lport, plogi_rcvd);
                } else
                        bfa_stats(lport, uf_recv_drops);

                return;
        }

        /*
         * First, handle ELSs that donot require a login.
         */
        /*
         * Handle PLOGI first
         */
        if ((fchs->type == FC_TYPE_ELS) &&
                (els_cmd->els_code == FC_ELS_PLOGI)) {
                bfa_fcs_lport_plogi(lport, fchs, (struct fc_logi_s *) els_cmd);
                return;
        }

        /*
         * Handle ECHO separately.
         */
        if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_ECHO)) {
                bfa_fcs_lport_echo(lport, fchs,
                                (struct fc_echo_s *)els_cmd, len);
                return;
        }

        /*
         * Handle RNID separately.
         */
        if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_RNID)) {
                bfa_fcs_lport_rnid(lport, fchs,
                        (struct fc_rnid_cmd_s *) els_cmd, len);
                return;
        }

        if (fchs->type == FC_TYPE_BLS) {
                if ((fchs->routing == FC_RTG_BASIC_LINK) &&
                                (fchs->cat_info == FC_CAT_ABTS))
                        bfa_fcs_lport_abts_acc(lport, fchs);
                return;
        }

        if (fchs->type == FC_TYPE_SERVICES) {
                /*
                 * Unhandled FC-GS frames. Send a FC-CT Reject
                 */
                bfa_fcs_lport_send_fcgs_rjt(lport, fchs, CT_RSN_NOT_SUPP,
                                CT_NS_EXP_NOADDITIONAL);
                return;
        }

        /*
         * look for a matching remote port ID
         */
        rport = bfa_fcs_lport_get_rport_by_pid(lport, pid);
        if (rport) {
                bfa_trc(rport->fcs, fchs->s_id);
                bfa_trc(rport->fcs, fchs->d_id);
                bfa_trc(rport->fcs, fchs->type);

                bfa_fcs_rport_uf_recv(rport, fchs, len);
                return;
        }

        /*
         * Only handles ELS frames for now.
         */
        if (fchs->type != FC_TYPE_ELS) {
                bfa_trc(lport->fcs, fchs->s_id);
                bfa_trc(lport->fcs, fchs->d_id);
                /* ignore type FC_TYPE_FC_FSS */
                if (fchs->type != FC_TYPE_FC_FSS)
                        bfa_sm_fault(lport->fcs, fchs->type);
                return;
        }

        bfa_trc(lport->fcs, els_cmd->els_code);
        if (els_cmd->els_code == FC_ELS_RSCN) {
                bfa_fcs_lport_scn_process_rscn(lport, fchs, len);
                return;
        }

        if (els_cmd->els_code == FC_ELS_LOGO) {
                /*
                 * @todo Handle LOGO frames received.
                 */
                return;
        }

        if (els_cmd->els_code == FC_ELS_PRLI) {
                /*
                 * @todo Handle PRLI frames received.
                 */
                return;
        }

        /*
         * Unhandled ELS frames. Send a LS_RJT.
         */
        bfa_fcs_lport_send_ls_rjt(lport, fchs, FC_LS_RJT_RSN_CMD_NOT_SUPP,
                                 FC_LS_RJT_EXP_NO_ADDL_INFO);

}

/*
 *   PID based Lookup for a R-Port in the Port R-Port Queue
 */
struct bfa_fcs_rport_s *
bfa_fcs_lport_get_rport_by_pid(struct bfa_fcs_lport_s *port, u32 pid)
{
        struct bfa_fcs_rport_s *rport;
        struct list_head        *qe;

        list_for_each(qe, &port->rport_q) {
                rport = (struct bfa_fcs_rport_s *) qe;
                if (rport->pid == pid)
                        return rport;
        }

        bfa_trc(port->fcs, pid);
        return NULL;
}

/*
 * OLD_PID based Lookup for a R-Port in the Port R-Port Queue
 */
struct bfa_fcs_rport_s *
bfa_fcs_lport_get_rport_by_old_pid(struct bfa_fcs_lport_s *port, u32 pid)
{
        struct bfa_fcs_rport_s *rport;
        struct list_head        *qe;

        list_for_each(qe, &port->rport_q) {
                rport = (struct bfa_fcs_rport_s *) qe;
                if (rport->old_pid == pid)
                        return rport;
        }

        bfa_trc(port->fcs, pid);
        return NULL;
}

/*
 *   PWWN based Lookup for a R-Port in the Port R-Port Queue
 */
struct bfa_fcs_rport_s *
bfa_fcs_lport_get_rport_by_pwwn(struct bfa_fcs_lport_s *port, wwn_t pwwn)
{
        struct bfa_fcs_rport_s *rport;
        struct list_head        *qe;

        list_for_each(qe, &port->rport_q) {
                rport = (struct bfa_fcs_rport_s *) qe;
                if (wwn_is_equal(rport->pwwn, pwwn))
                        return rport;
        }

        bfa_trc(port->fcs, pwwn);
        return NULL;
}

/*
 * PWWN & PID based Lookup for a R-Port in the Port R-Port Queue
 */
struct bfa_fcs_rport_s *
bfa_fcs_lport_get_rport_by_qualifier(struct bfa_fcs_lport_s *port,
                                     wwn_t pwwn, u32 pid)
{
        struct bfa_fcs_rport_s *rport;
        struct list_head        *qe;

        list_for_each(qe, &port->rport_q) {
                rport = (struct bfa_fcs_rport_s *) qe;
                if (wwn_is_equal(rport->pwwn, pwwn) && rport->pid == pid)
                        return rport;
        }

        bfa_trc(port->fcs, pwwn);
        return NULL;
}

/*
 * Called by rport module when new rports are discovered.
 */
void
bfa_fcs_lport_add_rport(
        struct bfa_fcs_lport_s *port,
        struct bfa_fcs_rport_s *rport)
{
        list_add_tail(&rport->qe, &port->rport_q);
        port->num_rports++;
}

/*
 * Called by rport module to when rports are deleted.
 */
void
bfa_fcs_lport_del_rport(
        struct bfa_fcs_lport_s *port,
        struct bfa_fcs_rport_s *rport)
{
        WARN_ON(!bfa_q_is_on_q(&port->rport_q, rport));
        list_del(&rport->qe);
        port->num_rports--;

        bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELRPORT);
}

/*
 * Called by fabric for base port when fabric login is complete.
 * Called by vport for virtual ports when FDISC is complete.
 */
void
bfa_fcs_lport_online(struct bfa_fcs_lport_s *port)
{
        bfa_sm_send_event(port, BFA_FCS_PORT_SM_ONLINE);
}

/*
 * Called by fabric for base port when fabric goes offline.
 * Called by vport for virtual ports when virtual port becomes offline.
 */
void
bfa_fcs_lport_offline(struct bfa_fcs_lport_s *port)
{
        bfa_sm_send_event(port, BFA_FCS_PORT_SM_OFFLINE);
}

/*
 * Called by fabric for base port and by vport for virtual ports
 * when target mode driver is unloaded.
 */
void
bfa_fcs_lport_stop(struct bfa_fcs_lport_s *port)
{
        bfa_sm_send_event(port, BFA_FCS_PORT_SM_STOP);
}

/*
 * Called by fabric to delete base lport and associated resources.
 *
 * Called by vport to delete lport and associated resources. Should call
 * bfa_fcs_vport_delete_comp() for vports on completion.
 */
void
bfa_fcs_lport_delete(struct bfa_fcs_lport_s *port)
{
        bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELETE);
}

/*
 * Return TRUE if port is online, else return FALSE
 */
bfa_boolean_t
bfa_fcs_lport_is_online(struct bfa_fcs_lport_s *port)
{
        return bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online);
}

/*
  * Attach time initialization of logical ports.
 */
void
bfa_fcs_lport_attach(struct bfa_fcs_lport_s *lport, struct bfa_fcs_s *fcs,
                   u16 vf_id, struct bfa_fcs_vport_s *vport)
{
        lport->fcs = fcs;
        lport->fabric = bfa_fcs_vf_lookup(fcs, vf_id);
        lport->vport = vport;
        lport->lp_tag = (vport) ? vport->lps->bfa_tag :
                                  lport->fabric->lps->bfa_tag;

        INIT_LIST_HEAD(&lport->rport_q);
        lport->num_rports = 0;
}

/*
 * Logical port initialization of base or virtual port.
 * Called by fabric for base port or by vport for virtual ports.
 */

void
bfa_fcs_lport_init(struct bfa_fcs_lport_s *lport,
        struct bfa_lport_cfg_s *port_cfg)
{
        struct bfa_fcs_vport_s *vport = lport->vport;
        struct bfad_s *bfad = (struct bfad_s *)lport->fcs->bfad;
        char    lpwwn_buf[BFA_STRING_32];

        lport->port_cfg = *port_cfg;

        lport->bfad_port = bfa_fcb_lport_new(lport->fcs->bfad, lport,
                                        lport->port_cfg.roles,
                                        lport->fabric->vf_drv,
                                        vport ? vport->vport_drv : NULL);

        wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(lport));
        BFA_LOG(KERN_INFO, bfad, bfa_log_level,
                "New logical port created: WWN = %s Role = %s\n",
                lpwwn_buf, "Initiator");
        bfa_fcs_lport_aen_post(lport, BFA_LPORT_AEN_NEW);

        bfa_sm_set_state(lport, bfa_fcs_lport_sm_uninit);
        bfa_sm_send_event(lport, BFA_FCS_PORT_SM_CREATE);
}

void
bfa_fcs_lport_set_symname(struct bfa_fcs_lport_s *port,
                                char *symname)
{
        strcpy(port->port_cfg.sym_name.symname, symname);

        if (bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
                bfa_fcs_lport_ns_util_send_rspn_id(
                        BFA_FCS_GET_NS_FROM_PORT(port), NULL);
}

/*
 *  fcs_lport_api
 */

void
bfa_fcs_lport_get_attr(
        struct bfa_fcs_lport_s *port,
        struct bfa_lport_attr_s *port_attr)
{
        if (bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
                port_attr->pid = port->pid;
        else
                port_attr->pid = 0;

        port_attr->port_cfg = port->port_cfg;

        if (port->fabric) {
                port_attr->port_type = port->fabric->oper_type;
                port_attr->loopback = bfa_sm_cmp_state(port->fabric,
                                bfa_fcs_fabric_sm_loopback);
                port_attr->authfail =
                        bfa_sm_cmp_state(port->fabric,
                                bfa_fcs_fabric_sm_auth_failed);
                port_attr->fabric_name  = bfa_fcs_lport_get_fabric_name(port);
                memcpy(port_attr->fabric_ip_addr,
                        bfa_fcs_lport_get_fabric_ipaddr(port),
                        BFA_FCS_FABRIC_IPADDR_SZ);

                if (port->vport != NULL) {
                        port_attr->port_type = BFA_PORT_TYPE_VPORT;
                        port_attr->fpma_mac =
                                port->vport->lps->lp_mac;
                } else {
                        port_attr->fpma_mac =
                                port->fabric->lps->lp_mac;
                }
        } else {
                port_attr->port_type = BFA_PORT_TYPE_UNKNOWN;
                port_attr->state = BFA_LPORT_UNINIT;
        }
}

/*
 *  bfa_fcs_lport_fab port fab functions
 */

/*
 *   Called by port to initialize fabric services of the base port.
 */
static void
bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port)
{
        bfa_fcs_lport_ns_init(port);
        bfa_fcs_lport_scn_init(port);
        bfa_fcs_lport_ms_init(port);
}

/*
 *   Called by port to notify transition to online state.
 */
static void
bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port)
{
        bfa_fcs_lport_ns_online(port);
        bfa_fcs_lport_fab_scn_online(port);
}

/*
 *   Called by port to notify transition to offline state.
 */
static void
bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port)
{
        bfa_fcs_lport_ns_offline(port);
        bfa_fcs_lport_scn_offline(port);
        bfa_fcs_lport_ms_offline(port);
}

/*
 *  bfa_fcs_lport_n2n  functions
 */

/*
 *   Called by fcs/port to initialize N2N topology.
 */
static void
bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port)
{
}

/*
 *   Called by fcs/port to notify transition to online state.
 */
static void
bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port)
{
        struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
        struct bfa_lport_cfg_s *pcfg = &port->port_cfg;
        struct bfa_fcs_rport_s *rport;

        bfa_trc(port->fcs, pcfg->pwwn);

        /*
         * If our PWWN is > than that of the r-port, we have to initiate PLOGI
         * and assign an Address. if not, we need to wait for its PLOGI.
         *
         * If our PWWN is < than that of the remote port, it will send a PLOGI
         * with the PIDs assigned. The rport state machine take care of this
         * incoming PLOGI.
         */
        if (memcmp
            ((void *)&pcfg->pwwn, (void *)&n2n_port->rem_port_wwn,
             sizeof(wwn_t)) > 0) {
                port->pid = N2N_LOCAL_PID;
                bfa_lps_set_n2n_pid(port->fabric->lps, N2N_LOCAL_PID);
                /*
                 * First, check if we know the device by pwwn.
                 */
                rport = bfa_fcs_lport_get_rport_by_pwwn(port,
                                                        n2n_port->rem_port_wwn);
                if (rport) {
                        bfa_trc(port->fcs, rport->pid);
                        bfa_trc(port->fcs, rport->pwwn);
                        rport->pid = N2N_REMOTE_PID;
                        bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND);
                        return;
                }

                /*
                 * In n2n there can be only one rport. Delete the old one
                 * whose pid should be zero, because it is offline.
                 */
                if (port->num_rports > 0) {
                        rport = bfa_fcs_lport_get_rport_by_pid(port, 0);
                        WARN_ON(rport == NULL);
                        if (rport) {
                                bfa_trc(port->fcs, rport->pwwn);
                                bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
                        }
                }
                bfa_fcs_rport_create(port, N2N_REMOTE_PID);
        }
}

/*
 *   Called by fcs/port to notify transition to offline state.
 */
static void
bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port)
{
        struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;

        bfa_trc(port->fcs, port->pid);
        port->pid = 0;
        n2n_port->rem_port_wwn = 0;
        n2n_port->reply_oxid = 0;
}

static void
bfa_fcport_get_loop_attr(struct bfa_fcs_lport_s *port)
{
        int i = 0, j = 0, bit = 0, alpa_bit = 0;
        u8 k = 0;
        struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(port->fcs->bfa);

        port->port_topo.ploop.alpabm_valid = fcport->alpabm_valid;
        port->pid = fcport->myalpa;
        port->pid = bfa_hton3b(port->pid);

        for (i = 0; i < (FC_ALPA_MAX / 8); i++) {
                for (j = 0, alpa_bit = 0; j < 8; j++, alpa_bit++) {
                        bfa_trc(port->fcs->bfa, fcport->alpabm.alpa_bm[i]);
                        bit = (fcport->alpabm.alpa_bm[i] & (1 << (7 - j)));
                        if (bit) {
                                port->port_topo.ploop.alpa_pos_map[k] =
                                        loop_alpa_map[(i * 8) + alpa_bit];
                                k++;
                                bfa_trc(port->fcs->bfa, k);
                                bfa_trc(port->fcs->bfa,
                                         port->port_topo.ploop.alpa_pos_map[k]);
                        }
                }
        }
        port->port_topo.ploop.num_alpa = k;
}

/*
 * Called by fcs/port to initialize Loop topology.
 */
static void
bfa_fcs_lport_loop_init(struct bfa_fcs_lport_s *port)
{
}

/*
 * Called by fcs/port to notify transition to online state.
 */
static void
bfa_fcs_lport_loop_online(struct bfa_fcs_lport_s *port)
{
        u8 num_alpa = 0, alpabm_valid = 0;
        struct bfa_fcs_rport_s *rport;
        u8 *alpa_map = NULL;
        int i = 0;
        u32 pid;

        bfa_fcport_get_loop_attr(port);

        num_alpa = port->port_topo.ploop.num_alpa;
        alpabm_valid = port->port_topo.ploop.alpabm_valid;
        alpa_map = port->port_topo.ploop.alpa_pos_map;

        bfa_trc(port->fcs->bfa, port->pid);
        bfa_trc(port->fcs->bfa, num_alpa);
        if (alpabm_valid == 1) {
                for (i = 0; i < num_alpa; i++) {
                        bfa_trc(port->fcs->bfa, alpa_map[i]);
                        if (alpa_map[i] != bfa_hton3b(port->pid)) {
                                pid = alpa_map[i];
                                bfa_trc(port->fcs->bfa, pid);
                                rport = bfa_fcs_lport_get_rport_by_pid(port,
                                                bfa_hton3b(pid));
                                if (!rport)
                                        rport = bfa_fcs_rport_create(port,
                                                bfa_hton3b(pid));
                        }
                }
        } else {
                for (i = 0; i < MAX_ALPA_COUNT; i++) {
                        if (alpa_map[i] != port->pid) {
                                pid = loop_alpa_map[i];
                                bfa_trc(port->fcs->bfa, pid);
                                rport = bfa_fcs_lport_get_rport_by_pid(port,
                                                bfa_hton3b(pid));
                                if (!rport)
                                        rport = bfa_fcs_rport_create(port,
                                                bfa_hton3b(pid));
                        }
                }
        }
}

/*
 * Called by fcs/port to notify transition to offline state.
 */
static void
bfa_fcs_lport_loop_offline(struct bfa_fcs_lport_s *port)
{
}

#define BFA_FCS_FDMI_CMD_MAX_RETRIES 2

/*
 * forward declarations
 */
static void     bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg,
                                            struct bfa_fcxp_s *fcxp_alloced);
static void     bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg,
                                            struct bfa_fcxp_s *fcxp_alloced);
static void     bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg,
                                           struct bfa_fcxp_s *fcxp_alloced);
static void     bfa_fcs_lport_fdmi_rhba_response(void *fcsarg,
                                                struct bfa_fcxp_s *fcxp,
                                                void *cbarg,
                                                bfa_status_t req_status,
                                                u32 rsp_len,
                                                u32 resid_len,
                                                struct fchs_s *rsp_fchs);
static void     bfa_fcs_lport_fdmi_rprt_response(void *fcsarg,
                                                struct bfa_fcxp_s *fcxp,
                                                void *cbarg,
                                                bfa_status_t req_status,
                                                u32 rsp_len,
                                                u32 resid_len,
                                                struct fchs_s *rsp_fchs);
static void     bfa_fcs_lport_fdmi_rpa_response(void *fcsarg,
                                               struct bfa_fcxp_s *fcxp,
                                               void *cbarg,
                                               bfa_status_t req_status,
                                               u32 rsp_len,
                                               u32 resid_len,
                                               struct fchs_s *rsp_fchs);
static void     bfa_fcs_lport_fdmi_timeout(void *arg);
static int bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
                                                  u8 *pyld);
static u16 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
                                                  u8 *pyld);
static u16 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
                                                 u8 *pyld);
static u16 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *
                                                       fdmi, u8 *pyld);
static void     bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
                                 struct bfa_fcs_fdmi_hba_attr_s *hba_attr);
static void     bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
                                  struct bfa_fcs_fdmi_port_attr_s *port_attr);
u32     bfa_fcs_fdmi_convert_speed(enum bfa_port_speed pport_speed);

/*
 *  fcs_fdmi_sm FCS FDMI state machine
 */

static void     bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
                                             enum port_fdmi_event event);
static void     bfa_fcs_lport_fdmi_sm_sending_rhba(
                                struct bfa_fcs_lport_fdmi_s *fdmi,
                                enum port_fdmi_event event);
static void     bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
                                          enum port_fdmi_event event);
static void     bfa_fcs_lport_fdmi_sm_rhba_retry(
                                struct bfa_fcs_lport_fdmi_s *fdmi,
                                enum port_fdmi_event event);
static void     bfa_fcs_lport_fdmi_sm_sending_rprt(
                                struct bfa_fcs_lport_fdmi_s *fdmi,
                                enum port_fdmi_event event);
static void     bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
                                          enum port_fdmi_event event);
static void     bfa_fcs_lport_fdmi_sm_rprt_retry(
                                struct bfa_fcs_lport_fdmi_s *fdmi,
                                enum port_fdmi_event event);
static void     bfa_fcs_lport_fdmi_sm_sending_rpa(
                                struct bfa_fcs_lport_fdmi_s *fdmi,
                                enum port_fdmi_event event);
static void     bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
                                         enum port_fdmi_event event);
static void     bfa_fcs_lport_fdmi_sm_rpa_retry(
                                struct bfa_fcs_lport_fdmi_s *fdmi,
                                enum port_fdmi_event event);
static void     bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
                                            enum port_fdmi_event event);
static void     bfa_fcs_lport_fdmi_sm_disabled(
                                struct bfa_fcs_lport_fdmi_s *fdmi,
                                enum port_fdmi_event event);
/*
 *      Start in offline state - awaiting MS to send start.
 */
static void
bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
                             enum port_fdmi_event event)
{
        struct bfa_fcs_lport_s *port = fdmi->ms->port;

        bfa_trc(port->fcs, port->port_cfg.pwwn);
        bfa_trc(port->fcs, event);

        fdmi->retry_cnt = 0;

        switch (event) {
        case FDMISM_EVENT_PORT_ONLINE:
                if (port->vport) {
                        /*
                         * For Vports, register a new port.
                         */
                        bfa_sm_set_state(fdmi,
                                         bfa_fcs_lport_fdmi_sm_sending_rprt);
                        bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
                } else {
                        /*
                         * For a base port, we should first register the HBA
                         * attribute. The HBA attribute also contains the base
                         *  port registration.
                         */
                        bfa_sm_set_state(fdmi,
                                         bfa_fcs_lport_fdmi_sm_sending_rhba);
                        bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
                }
                break;

        case FDMISM_EVENT_PORT_OFFLINE:
                break;

        default:
                bfa_sm_fault(port->fcs, event);
        }
}

static void
bfa_fcs_lport_fdmi_sm_sending_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
                                  enum port_fdmi_event event)
{
        struct bfa_fcs_lport_s *port = fdmi->ms->port;

        bfa_trc(port->fcs, port->port_cfg.pwwn);
        bfa_trc(port->fcs, event);

        switch (event) {
        case FDMISM_EVENT_RHBA_SENT:
                bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rhba);
                break;

        case FDMISM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
                bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
                                           &fdmi->fcxp_wqe);
                break;

        default:
                bfa_sm_fault(port->fcs, event);
        }
}

static void
bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
                        enum port_fdmi_event event)
{
        struct bfa_fcs_lport_s *port = fdmi->ms->port;

        bfa_trc(port->fcs, port->port_cfg.pwwn);
        bfa_trc(port->fcs, event);

        switch (event) {
        case FDMISM_EVENT_RSP_ERROR:
                /*
                 * if max retries have not been reached, start timer for a
                 * delayed retry
                 */
                if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
                        bfa_sm_set_state(fdmi,
                                        bfa_fcs_lport_fdmi_sm_rhba_retry);
                        bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
                                            &fdmi->timer,
                                            bfa_fcs_lport_fdmi_timeout, fdmi,
                                            BFA_FCS_RETRY_TIMEOUT);
                } else {
                        /*
                         * set state to offline
                         */
                        bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
                }
                break;

        case FDMISM_EVENT_RSP_OK:
                /*
                 * Initiate Register Port Attributes
                 */
                bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
                fdmi->retry_cnt = 0;
                bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
                break;

        case FDMISM_EVENT_PORT_OFFLINE:
                bfa_fcxp_discard(fdmi->fcxp);
                bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
                break;

        default:
                bfa_sm_fault(port->fcs, event);
        }
}

static void
bfa_fcs_lport_fdmi_sm_rhba_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
                                enum port_fdmi_event event)
{
        struct bfa_fcs_lport_s *port = fdmi->ms->port;

        bfa_trc(port->fcs, port->port_cfg.pwwn);
        bfa_trc(port->fcs, event);

        switch (event) {
        case FDMISM_EVENT_TIMEOUT:
                /*
                 * Retry Timer Expired. Re-send
                 */
                bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rhba);
                bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
                break;

        case FDMISM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
                bfa_timer_stop(&fdmi->timer);
                break;

        default:
                bfa_sm_fault(port->fcs, event);
        }
}

/*
* RPRT : Register Port
 */
static void
bfa_fcs_lport_fdmi_sm_sending_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
                                  enum port_fdmi_event event)
{
        struct bfa_fcs_lport_s *port = fdmi->ms->port;

        bfa_trc(port->fcs, port->port_cfg.pwwn);
        bfa_trc(port->fcs, event);

        switch (event) {
        case FDMISM_EVENT_RPRT_SENT:
                bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rprt);
                break;

        case FDMISM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
                bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
                                           &fdmi->fcxp_wqe);
                break;

        default:
                bfa_sm_fault(port->fcs, event);
        }
}

static void
bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
                        enum port_fdmi_event event)
{
        struct bfa_fcs_lport_s *port = fdmi->ms->port;

        bfa_trc(port->fcs, port->port_cfg.pwwn);
        bfa_trc(port->fcs, event);

        switch (event) {
        case FDMISM_EVENT_RSP_ERROR:
                /*
                 * if max retries have not been reached, start timer for a
                 * delayed retry
                 */
                if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
                        bfa_sm_set_state(fdmi,
                                        bfa_fcs_lport_fdmi_sm_rprt_retry);
                        bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
                                            &fdmi->timer,
                                            bfa_fcs_lport_fdmi_timeout, fdmi,
                                            BFA_FCS_RETRY_TIMEOUT);

                } else {
                        /*
                         * set state to offline
                         */
                        bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
                        fdmi->retry_cnt = 0;
                }
                break;

        case FDMISM_EVENT_RSP_OK:
                fdmi->retry_cnt = 0;
                bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
                break;

        case FDMISM_EVENT_PORT_OFFLINE:
                bfa_fcxp_discard(fdmi->fcxp);
                bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
                break;

        default:
                bfa_sm_fault(port->fcs, event);
        }
}

static void
bfa_fcs_lport_fdmi_sm_rprt_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
                                enum port_fdmi_event event)
{
        struct bfa_fcs_lport_s *port = fdmi->ms->port;

        bfa_trc(port->fcs, port->port_cfg.pwwn);
        bfa_trc(port->fcs, event);

        switch (event) {
        case FDMISM_EVENT_TIMEOUT:
                /*
                 * Retry Timer Expired. Re-send
                 */
                bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rprt);
                bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
                break;

        case FDMISM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
                bfa_timer_stop(&fdmi->timer);
                break;

        default:
                bfa_sm_fault(port->fcs, event);
        }
}

/*
 * Register Port Attributes
 */
static void
bfa_fcs_lport_fdmi_sm_sending_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
                                 enum port_fdmi_event event)
{
        struct bfa_fcs_lport_s *port = fdmi->ms->port;

        bfa_trc(port->fcs, port->port_cfg.pwwn);
        bfa_trc(port->fcs, event);

        switch (event) {
        case FDMISM_EVENT_RPA_SENT:
                bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa);
                break;

        case FDMISM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
                bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
                                           &fdmi->fcxp_wqe);
                break;

        default:
                bfa_sm_fault(port->fcs, event);
        }
}

static void
bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
                        enum port_fdmi_event event)
{
        struct bfa_fcs_lport_s *port = fdmi->ms->port;

        bfa_trc(port->fcs, port->port_cfg.pwwn);
        bfa_trc(port->fcs, event);

        switch (event) {
        case FDMISM_EVENT_RSP_ERROR:
                /*
                 * if max retries have not been reached, start timer for a
                 * delayed retry
                 */
                if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
                        bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_rpa_retry);
                        bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
                                            &fdmi->timer,
                                            bfa_fcs_lport_fdmi_timeout, fdmi,
                                            BFA_FCS_RETRY_TIMEOUT);
                } else {
                        /*
                         * set state to offline
                         */
                        bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
                        fdmi->retry_cnt = 0;
                }
                break;

        case FDMISM_EVENT_RSP_OK:
                bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
                fdmi->retry_cnt = 0;
                break;

        case FDMISM_EVENT_PORT_OFFLINE:
                bfa_fcxp_discard(fdmi->fcxp);
                bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
                break;

        default:
                bfa_sm_fault(port->fcs, event);
        }
}

static void
bfa_fcs_lport_fdmi_sm_rpa_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
                               enum port_fdmi_event event)
{
        struct bfa_fcs_lport_s *port = fdmi->ms->port;

        bfa_trc(port->fcs, port->port_cfg.pwwn);
        bfa_trc(port->fcs, event);

        switch (event) {
        case FDMISM_EVENT_TIMEOUT:
                /*
                 * Retry Timer Expired. Re-send
                 */
                bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
                bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
                break;

        case FDMISM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
                bfa_timer_stop(&fdmi->timer);
                break;

        default:
                bfa_sm_fault(port->fcs, event);
        }
}

static void
bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
                                enum port_fdmi_event event)
{
        struct bfa_fcs_lport_s *port = fdmi->ms->port;

        bfa_trc(port->fcs, port->port_cfg.pwwn);
        bfa_trc(port->fcs, event);

        switch (event) {
        case FDMISM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
                break;

        default:
                bfa_sm_fault(port->fcs, event);
        }
}
/*
 *  FDMI is disabled state.
 */
static void
bfa_fcs_lport_fdmi_sm_disabled(struct bfa_fcs_lport_fdmi_s *fdmi,
                             enum port_fdmi_event event)
{
        struct bfa_fcs_lport_s *port = fdmi->ms->port;

        bfa_trc(port->fcs, port->port_cfg.pwwn);
        bfa_trc(port->fcs, event);

        /* No op State. It can only be enabled at Driver Init. */
}

/*
*  RHBA : Register HBA Attributes.
 */
static void
bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
        struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
        struct bfa_fcs_lport_s *port = fdmi->ms->port;
        struct fchs_s fchs;
        int             len, attr_len;
        struct bfa_fcxp_s *fcxp;
        u8        *pyld;

        bfa_trc(port->fcs, port->port_cfg.pwwn);

        fcxp = fcxp_alloced ? fcxp_alloced :
               bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
        if (!fcxp) {
                bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
                                bfa_fcs_lport_fdmi_send_rhba, fdmi, BFA_TRUE);
                return;
        }
        fdmi->fcxp = fcxp;

        pyld = bfa_fcxp_get_reqbuf(fcxp);
        memset(pyld, 0, FC_MAX_PDUSZ);

        len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
                                   FDMI_RHBA);

        attr_len =
                bfa_fcs_lport_fdmi_build_rhba_pyld(fdmi,
                                          (u8 *) ((struct ct_hdr_s *) pyld
                                                       + 1));
        if (attr_len < 0)
                return;

        bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
                          FC_CLASS_3, (len + attr_len), &fchs,
                          bfa_fcs_lport_fdmi_rhba_response, (void *)fdmi,
                          FC_MAX_PDUSZ, FC_FCCT_TOV);

        bfa_sm_send_event(fdmi, FDMISM_EVENT_RHBA_SENT);
}

static int
bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
{
        struct bfa_fcs_lport_s *port = fdmi->ms->port;
        struct bfa_fcs_fdmi_hba_attr_s *fcs_hba_attr;
        struct fdmi_rhba_s *rhba = (struct fdmi_rhba_s *) pyld;
        struct fdmi_attr_s *attr;
        int        len;
        u8        *curr_ptr;
        u16     templen, count;

        fcs_hba_attr = kzalloc_obj(*fcs_hba_attr);
        if (!fcs_hba_attr)
                return -ENOMEM;

        /*
         * get hba attributes
         */
        bfa_fcs_fdmi_get_hbaattr(fdmi, fcs_hba_attr);

        rhba->hba_id = bfa_fcs_lport_get_pwwn(port);
        rhba->port_list.num_ports = cpu_to_be32(1);
        rhba->port_list.port_entry = bfa_fcs_lport_get_pwwn(port);

        len = sizeof(rhba->hba_id) + sizeof(rhba->port_list);

        count = 0;
        len += sizeof(rhba->hba_attr_blk.attr_count);

        /*
         * fill out the invididual entries of the HBA attrib Block
         */
        curr_ptr = (u8 *) &rhba->hba_attr_blk.hba_attr;

        /*
         * Node Name
         */
        attr = (struct fdmi_attr_s *) curr_ptr;
        attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NODENAME);
        templen = sizeof(wwn_t);
        memcpy(attr->value, &bfa_fcs_lport_get_nwwn(port), templen);
        curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
        len += templen;
        count++;
        attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                             sizeof(templen));

        /*
         * Manufacturer
         */
        attr = (struct fdmi_attr_s *) curr_ptr;
        attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MANUFACTURER);
        templen = (u16) strlen(fcs_hba_attr->manufacturer);
        memcpy(attr->value, fcs_hba_attr->manufacturer, templen);
        templen = fc_roundup(templen, sizeof(u32));
        curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
        len += templen;
        count++;
        attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                             sizeof(templen));

        /*
         * Serial Number
         */
        attr = (struct fdmi_attr_s *) curr_ptr;
        attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_SERIALNUM);
        templen = (u16) strlen(fcs_hba_attr->serial_num);
        memcpy(attr->value, fcs_hba_attr->serial_num, templen);
        templen = fc_roundup(templen, sizeof(u32));
        curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
        len += templen;
        count++;
        attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                             sizeof(templen));

        /*
         * Model
         */
        attr = (struct fdmi_attr_s *) curr_ptr;
        attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MODEL);
        templen = (u16) strlen(fcs_hba_attr->model);
        memcpy(attr->value, fcs_hba_attr->model, templen);
        templen = fc_roundup(templen, sizeof(u32));
        curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
        len += templen;
        count++;
        attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                             sizeof(templen));

        /*
         * Model Desc
         */
        attr = (struct fdmi_attr_s *) curr_ptr;
        attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MODEL_DESC);
        templen = (u16) strlen(fcs_hba_attr->model_desc);
        memcpy(attr->value, fcs_hba_attr->model_desc, templen);
        templen = fc_roundup(templen, sizeof(u32));
        curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
        len += templen;
        count++;
        attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                             sizeof(templen));

        /*
         * H/W Version
         */
        if (fcs_hba_attr->hw_version[0] != '\0') {
                attr = (struct fdmi_attr_s *) curr_ptr;
                attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_HW_VERSION);
                templen = (u16) strlen(fcs_hba_attr->hw_version);
                memcpy(attr->value, fcs_hba_attr->hw_version, templen);
                templen = fc_roundup(templen, sizeof(u32));
                curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
                len += templen;
                count++;
                attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                                         sizeof(templen));
        }

        /*
         * Driver Version
         */
        attr = (struct fdmi_attr_s *) curr_ptr;
        attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_DRIVER_VERSION);
        templen = (u16) strlen(fcs_hba_attr->driver_version);
        memcpy(attr->value, fcs_hba_attr->driver_version, templen);
        templen = fc_roundup(templen, sizeof(u32));
        curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
        len += templen;
        count++;
        attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                             sizeof(templen));

        /*
         * Option Rom Version
         */
        if (fcs_hba_attr->option_rom_ver[0] != '\0') {
                attr = (struct fdmi_attr_s *) curr_ptr;
                attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_ROM_VERSION);
                templen = (u16) strlen(fcs_hba_attr->option_rom_ver);
                memcpy(attr->value, fcs_hba_attr->option_rom_ver, templen);
                templen = fc_roundup(templen, sizeof(u32));
                curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
                len += templen;
                count++;
                attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                                         sizeof(templen));
        }

        attr = (struct fdmi_attr_s *) curr_ptr;
        attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_FW_VERSION);
        templen = (u16) strlen(fcs_hba_attr->fw_version);
        memcpy(attr->value, fcs_hba_attr->fw_version, templen);
        templen = fc_roundup(templen, sizeof(u32));
        curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
        len += templen;
        count++;
        attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                             sizeof(templen));

        /*
         * OS Name
         */
        if (fcs_hba_attr->os_name[0] != '\0') {
                attr = (struct fdmi_attr_s *) curr_ptr;
                attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_OS_NAME);
                templen = (u16) strlen(fcs_hba_attr->os_name);
                memcpy(attr->value, fcs_hba_attr->os_name, templen);
                templen = fc_roundup(templen, sizeof(u32));
                curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
                len += templen;
                count++;
                attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                                        sizeof(templen));
        }

        /*
         * MAX_CT_PAYLOAD
         */
        attr = (struct fdmi_attr_s *) curr_ptr;
        attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MAX_CT);
        templen = sizeof(fcs_hba_attr->max_ct_pyld);
        memcpy(attr->value, &fcs_hba_attr->max_ct_pyld, templen);
        templen = fc_roundup(templen, sizeof(u32));
        curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
        len += templen;
        count++;
        attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                             sizeof(templen));
        /*
         * Send extended attributes ( FOS 7.1 support )
         */
        if (fdmi->retry_cnt == 0) {
                attr = (struct fdmi_attr_s *) curr_ptr;
                attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NODE_SYM_NAME);
                templen = sizeof(fcs_hba_attr->node_sym_name);
                memcpy(attr->value, &fcs_hba_attr->node_sym_name, templen);
                templen = fc_roundup(templen, sizeof(u32));
                curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
                len += templen;
                count++;
                attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                                        sizeof(templen));

                attr = (struct fdmi_attr_s *) curr_ptr;
                attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_VENDOR_ID);
                templen = sizeof(fcs_hba_attr->vendor_info);
                memcpy(attr->value, &fcs_hba_attr->vendor_info, templen);
                templen = fc_roundup(templen, sizeof(u32));
                curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
                len += templen;
                count++;
                attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                                        sizeof(templen));

                attr = (struct fdmi_attr_s *) curr_ptr;
                attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NUM_PORTS);
                templen = sizeof(fcs_hba_attr->num_ports);
                memcpy(attr->value, &fcs_hba_attr->num_ports, templen);
                templen = fc_roundup(templen, sizeof(u32));
                curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
                len += templen;
                count++;
                attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                                        sizeof(templen));

                attr = (struct fdmi_attr_s *) curr_ptr;
                attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_FABRIC_NAME);
                templen = sizeof(fcs_hba_attr->fabric_name);
                memcpy(attr->value, &fcs_hba_attr->fabric_name, templen);
                templen = fc_roundup(templen, sizeof(u32));
                curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
                len += templen;
                count++;
                attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                                        sizeof(templen));

                attr = (struct fdmi_attr_s *) curr_ptr;
                attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_BIOS_VER);
                templen = sizeof(fcs_hba_attr->bios_ver);
                memcpy(attr->value, &fcs_hba_attr->bios_ver, templen);
                templen = fc_roundup(attr->len, sizeof(u32));
                curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
                len += templen;
                count++;
                attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                                        sizeof(templen));
        }

        /*
         * Update size of payload
         */
        len += ((sizeof(attr->type) + sizeof(attr->len)) * count);

        rhba->hba_attr_blk.attr_count = cpu_to_be32(count);

        kfree(fcs_hba_attr);

        return len;
}

static void
bfa_fcs_lport_fdmi_rhba_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
                                void *cbarg, bfa_status_t req_status,
                                u32 rsp_len, u32 resid_len,
                                struct fchs_s *rsp_fchs)
{
        struct bfa_fcs_lport_fdmi_s *fdmi =
                                (struct bfa_fcs_lport_fdmi_s *) cbarg;
        struct bfa_fcs_lport_s *port = fdmi->ms->port;
        struct ct_hdr_s *cthdr = NULL;

        bfa_trc(port->fcs, port->port_cfg.pwwn);

        /*
         * Sanity Checks
         */
        if (req_status != BFA_STATUS_OK) {
                bfa_trc(port->fcs, req_status);
                bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
                return;
        }

        cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
        cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);

        if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
                bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
                return;
        }

        bfa_trc(port->fcs, cthdr->reason_code);
        bfa_trc(port->fcs, cthdr->exp_code);
        bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
}

/*
*  RPRT : Register Port
 */
static void
bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
        struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
        struct bfa_fcs_lport_s *port = fdmi->ms->port;
        struct fchs_s fchs;
        u16        len, attr_len;
        struct bfa_fcxp_s *fcxp;
        u8        *pyld;

        bfa_trc(port->fcs, port->port_cfg.pwwn);

        fcxp = fcxp_alloced ? fcxp_alloced :
               bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
        if (!fcxp) {
                bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
                                bfa_fcs_lport_fdmi_send_rprt, fdmi, BFA_TRUE);
                return;
        }
        fdmi->fcxp = fcxp;

        pyld = bfa_fcxp_get_reqbuf(fcxp);
        memset(pyld, 0, FC_MAX_PDUSZ);

        len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
                                   FDMI_RPRT);

        attr_len =
                bfa_fcs_lport_fdmi_build_rprt_pyld(fdmi,
                                          (u8 *) ((struct ct_hdr_s *) pyld
                                                       + 1));

        bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
                          FC_CLASS_3, len + attr_len, &fchs,
                          bfa_fcs_lport_fdmi_rprt_response, (void *)fdmi,
                          FC_MAX_PDUSZ, FC_FCCT_TOV);

        bfa_sm_send_event(fdmi, FDMISM_EVENT_RPRT_SENT);
}

/*
 * This routine builds Port Attribute Block that used in RPA, RPRT commands.
 */
static          u16
bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *fdmi,
                                       u8 *pyld)
{
        struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
        struct fdmi_port_attr_s *port_attrib = (struct fdmi_port_attr_s *) pyld;
        struct fdmi_attr_s *attr;
        u8        *curr_ptr;
        u16        len;
        u8      count = 0;
        u16     templen;

        /*
         * get port attributes
         */
        bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);

        len = sizeof(port_attrib->attr_count);

        /*
         * fill out the invididual entries
         */
        curr_ptr = (u8 *) &port_attrib->port_attr;

        /*
         * FC4 Types
         */
        attr = (struct fdmi_attr_s *) curr_ptr;
        attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FC4_TYPES);
        templen = sizeof(fcs_port_attr.supp_fc4_types);
        memcpy(attr->value, fcs_port_attr.supp_fc4_types, templen);
        curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
        len += templen;
        ++count;
        attr->len =
                cpu_to_be16(templen + sizeof(attr->type) +
                             sizeof(templen));

        /*
         * Supported Speed
         */
        attr = (struct fdmi_attr_s *) curr_ptr;
        attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_SUPP_SPEED);
        templen = sizeof(fcs_port_attr.supp_speed);
        memcpy(attr->value, &fcs_port_attr.supp_speed, templen);
        curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
        len += templen;
        ++count;
        attr->len =
                cpu_to_be16(templen + sizeof(attr->type) +
                             sizeof(templen));

        /*
         * current Port Speed
         */
        attr = (struct fdmi_attr_s *) curr_ptr;
        attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_SPEED);
        templen = sizeof(fcs_port_attr.curr_speed);
        memcpy(attr->value, &fcs_port_attr.curr_speed, templen);
        curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
        len += templen;
        ++count;
        attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                             sizeof(templen));

        /*
         * max frame size
         */
        attr = (struct fdmi_attr_s *) curr_ptr;
        attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FRAME_SIZE);
        templen = sizeof(fcs_port_attr.max_frm_size);
        memcpy(attr->value, &fcs_port_attr.max_frm_size, templen);
        curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
        len += templen;
        ++count;
        attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                             sizeof(templen));

        /*
         * OS Device Name
         */
        if (fcs_port_attr.os_device_name[0] != '\0') {
                attr = (struct fdmi_attr_s *) curr_ptr;
                attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_DEV_NAME);
                templen = (u16) strlen(fcs_port_attr.os_device_name);
                memcpy(attr->value, fcs_port_attr.os_device_name, templen);
                templen = fc_roundup(templen, sizeof(u32));
                curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
                len += templen;
                ++count;
                attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                                        sizeof(templen));
        }
        /*
         * Host Name
         */
        if (fcs_port_attr.host_name[0] != '\0') {
                attr = (struct fdmi_attr_s *) curr_ptr;
                attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_HOST_NAME);
                templen = (u16) strlen(fcs_port_attr.host_name);
                memcpy(attr->value, fcs_port_attr.host_name, templen);
                templen = fc_roundup(templen, sizeof(u32));
                curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
                len += templen;
                ++count;
                attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                                sizeof(templen));
        }

        if (fdmi->retry_cnt == 0) {
                attr = (struct fdmi_attr_s *) curr_ptr;
                attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_NODE_NAME);
                templen = sizeof(fcs_port_attr.node_name);
                memcpy(attr->value, &fcs_port_attr.node_name, templen);
                templen = fc_roundup(templen, sizeof(u32));
                curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
                len += templen;
                ++count;
                attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                                 sizeof(templen));

                attr = (struct fdmi_attr_s *) curr_ptr;
                attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_NAME);
                templen = sizeof(fcs_port_attr.port_name);
                memcpy(attr->value, &fcs_port_attr.port_name, templen);
                templen = fc_roundup(templen, sizeof(u32));
                curr_ptr += sizeof(attr->type) + sizeof(attr->len) + templen;
                len += templen;
                ++count;
                attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                                 sizeof(templen));

                if (fcs_port_attr.port_sym_name.symname[0] != '\0') {
                        attr = (struct fdmi_attr_s *) curr_ptr;
                        attr->type =
                                cpu_to_be16(FDMI_PORT_ATTRIB_PORT_SYM_NAME);
                        templen = sizeof(fcs_port_attr.port_sym_name);
                        memcpy(attr->value,
                                &fcs_port_attr.port_sym_name, templen);
                        templen = fc_roundup(templen, sizeof(u32));
                        curr_ptr += sizeof(attr->type) +
                                        sizeof(templen) + templen;
                        len += templen;
                        ++count;
                        attr->len = cpu_to_be16(templen +
                                sizeof(attr->type) + sizeof(templen));
                }

                attr = (struct fdmi_attr_s *) curr_ptr;
                attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_TYPE);
                templen = sizeof(fcs_port_attr.port_type);
                memcpy(attr->value, &fcs_port_attr.port_type, templen);
                templen = fc_roundup(templen, sizeof(u32));
                curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
                len += templen;
                ++count;
                attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                                 sizeof(templen));

                attr = (struct fdmi_attr_s *) curr_ptr;
                attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_SUPP_COS);
                templen = sizeof(fcs_port_attr.scos);
                memcpy(attr->value, &fcs_port_attr.scos, templen);
                templen = fc_roundup(templen, sizeof(u32));
                curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
                len += templen;
                ++count;
                attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                                 sizeof(templen));

                attr = (struct fdmi_attr_s *) curr_ptr;
                attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_FAB_NAME);
                templen = sizeof(fcs_port_attr.port_fabric_name);
                memcpy(attr->value, &fcs_port_attr.port_fabric_name, templen);
                templen = fc_roundup(templen, sizeof(u32));
                curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
                len += templen;
                ++count;
                attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                                 sizeof(templen));

                attr = (struct fdmi_attr_s *) curr_ptr;
                attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_FC4_TYPE);
                templen = sizeof(fcs_port_attr.port_act_fc4_type);
                memcpy(attr->value, fcs_port_attr.port_act_fc4_type,
                                templen);
                templen = fc_roundup(templen, sizeof(u32));
                curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
                len += templen;
                ++count;
                attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                                 sizeof(templen));

                attr = (struct fdmi_attr_s *) curr_ptr;
                attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_STATE);
                templen = sizeof(fcs_port_attr.port_state);
                memcpy(attr->value, &fcs_port_attr.port_state, templen);
                templen = fc_roundup(templen, sizeof(u32));
                curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
                len += templen;
                ++count;
                attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                                 sizeof(templen));

                attr = (struct fdmi_attr_s *) curr_ptr;
                attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_NUM_RPRT);
                templen = sizeof(fcs_port_attr.num_ports);
                memcpy(attr->value, &fcs_port_attr.num_ports, templen);
                templen = fc_roundup(templen, sizeof(u32));
                curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
                len += templen;
                ++count;
                attr->len = cpu_to_be16(templen + sizeof(attr->type) +
                                sizeof(templen));
        }

        /*
         * Update size of payload
         */
        port_attrib->attr_count = cpu_to_be32(count);
        len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
        return len;
}

static          u16
bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
{
        struct bfa_fcs_lport_s *port = fdmi->ms->port;
        struct fdmi_rprt_s *rprt = (struct fdmi_rprt_s *) pyld;
        u16        len;

        rprt->hba_id = bfa_fcs_lport_get_pwwn(bfa_fcs_get_base_port(port->fcs));
        rprt->port_name = bfa_fcs_lport_get_pwwn(port);

        len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
                                (u8 *) &rprt->port_attr_blk);

        len += sizeof(rprt->hba_id) + sizeof(rprt->port_name);

        return len;
}

static void
bfa_fcs_lport_fdmi_rprt_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
                                void *cbarg, bfa_status_t req_status,
                                u32 rsp_len, u32 resid_len,
                                struct fchs_s *rsp_fchs)
{
        struct bfa_fcs_lport_fdmi_s *fdmi =
                        (struct bfa_fcs_lport_fdmi_s *) cbarg;
        struct bfa_fcs_lport_s *port = fdmi->ms->port;
        struct ct_hdr_s *cthdr = NULL;

        bfa_trc(port->fcs, port->port_cfg.pwwn);

        /*
         * Sanity Checks
         */
        if (req_status != BFA_STATUS_OK) {
                bfa_trc(port->fcs, req_status);
                bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
                return;
        }

        cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
        cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);

        if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
                bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
                return;
        }

        bfa_trc(port->fcs, cthdr->reason_code);
        bfa_trc(port->fcs, cthdr->exp_code);
        bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
}

/*
*  RPA : Register Port Attributes.
 */
static void
bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
        struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
        struct bfa_fcs_lport_s *port = fdmi->ms->port;
        struct fchs_s fchs;
        u16        len, attr_len;
        struct bfa_fcxp_s *fcxp;
        u8        *pyld;

        bfa_trc(port->fcs, port->port_cfg.pwwn);

        fcxp = fcxp_alloced ? fcxp_alloced :
               bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
        if (!fcxp) {
                bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
                                bfa_fcs_lport_fdmi_send_rpa, fdmi, BFA_TRUE);
                return;
        }
        fdmi->fcxp = fcxp;

        pyld = bfa_fcxp_get_reqbuf(fcxp);
        memset(pyld, 0, FC_MAX_PDUSZ);

        len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
                                   FDMI_RPA);

        attr_len = bfa_fcs_lport_fdmi_build_rpa_pyld(fdmi,
                                (u8 *) ((struct ct_hdr_s *) pyld + 1));

        bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
                          FC_CLASS_3, len + attr_len, &fchs,
                          bfa_fcs_lport_fdmi_rpa_response, (void *)fdmi,
                          FC_MAX_PDUSZ, FC_FCCT_TOV);

        bfa_sm_send_event(fdmi, FDMISM_EVENT_RPA_SENT);
}

static          u16
bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
{
        struct bfa_fcs_lport_s *port = fdmi->ms->port;
        struct fdmi_rpa_s *rpa = (struct fdmi_rpa_s *) pyld;
        u16        len;

        rpa->port_name = bfa_fcs_lport_get_pwwn(port);

        len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
                                (u8 *) &rpa->port_attr_blk);

        len += sizeof(rpa->port_name);

        return len;
}

static void
bfa_fcs_lport_fdmi_rpa_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
                        void *cbarg, bfa_status_t req_status, u32 rsp_len,
                        u32 resid_len, struct fchs_s *rsp_fchs)
{
        struct bfa_fcs_lport_fdmi_s *fdmi =
                                (struct bfa_fcs_lport_fdmi_s *) cbarg;
        struct bfa_fcs_lport_s *port = fdmi->ms->port;
        struct ct_hdr_s *cthdr = NULL;

        bfa_trc(port->fcs, port->port_cfg.pwwn);

        /*
         * Sanity Checks
         */
        if (req_status != BFA_STATUS_OK) {
                bfa_trc(port->fcs, req_status);
                bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
                return;
        }

        cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
        cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);

        if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
                bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
                return;
        }

        bfa_trc(port->fcs, cthdr->reason_code);
        bfa_trc(port->fcs, cthdr->exp_code);
        bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
}

static void
bfa_fcs_lport_fdmi_timeout(void *arg)
{
        struct bfa_fcs_lport_fdmi_s *fdmi = (struct bfa_fcs_lport_fdmi_s *) arg;

        bfa_sm_send_event(fdmi, FDMISM_EVENT_TIMEOUT);
}

static void
bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
                         struct bfa_fcs_fdmi_hba_attr_s *hba_attr)
{
        struct bfa_fcs_lport_s *port = fdmi->ms->port;
        struct bfa_fcs_driver_info_s  *driver_info = &port->fcs->driver_info;
        struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;

        memset(hba_attr, 0, sizeof(struct bfa_fcs_fdmi_hba_attr_s));

        bfa_ioc_get_adapter_manufacturer(&port->fcs->bfa->ioc,
                                        hba_attr->manufacturer);
        bfa_ioc_get_adapter_serial_num(&port->fcs->bfa->ioc,
                                        hba_attr->serial_num);
        bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
                                        hba_attr->model);
        bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc,
                                        hba_attr->model_desc);
        bfa_ioc_get_pci_chip_rev(&port->fcs->bfa->ioc,
                                        hba_attr->hw_version);
        bfa_ioc_get_adapter_optrom_ver(&port->fcs->bfa->ioc,
                                        hba_attr->option_rom_ver);
        bfa_ioc_get_adapter_fw_ver(&port->fcs->bfa->ioc,
                                        hba_attr->fw_version);

        strscpy(hba_attr->driver_version, (char *)driver_info->version,
                sizeof(hba_attr->driver_version));

        strscpy(hba_attr->os_name, driver_info->host_os_name,
                sizeof(hba_attr->os_name));

        /*
         * If there is a patch level, append it
         * to the os name along with a separator
         */
        if (driver_info->host_os_patch[0] != '\0') {
                strlcat(hba_attr->os_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
                        sizeof(hba_attr->os_name));
                strlcat(hba_attr->os_name, driver_info->host_os_patch,
                                sizeof(hba_attr->os_name));
        }

        /* Retrieve the max frame size from the port attr */
        bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
        hba_attr->max_ct_pyld = fcs_port_attr.max_frm_size;

        strscpy(hba_attr->node_sym_name.symname,
                port->port_cfg.node_sym_name.symname, BFA_SYMNAME_MAXLEN);
        strcpy(hba_attr->vendor_info, "QLogic");
        hba_attr->num_ports =
                cpu_to_be32(bfa_ioc_get_nports(&port->fcs->bfa->ioc));
        hba_attr->fabric_name = port->fabric->lps->pr_nwwn;
        strscpy(hba_attr->bios_ver, hba_attr->option_rom_ver, BFA_VERSION_LEN);

}

static void
bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
                          struct bfa_fcs_fdmi_port_attr_s *port_attr)
{
        struct bfa_fcs_lport_s *port = fdmi->ms->port;
        struct bfa_fcs_driver_info_s  *driver_info = &port->fcs->driver_info;
        struct bfa_port_attr_s pport_attr;
        struct bfa_lport_attr_s lport_attr;

        memset(port_attr, 0, sizeof(struct bfa_fcs_fdmi_port_attr_s));

        /*
         * get pport attributes from hal
         */
        bfa_fcport_get_attr(port->fcs->bfa, &pport_attr);

        /*
         * get FC4 type Bitmask
         */
        fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->supp_fc4_types);

        /*
         * Supported Speeds
         */
        switch (pport_attr.speed_supported) {
        case BFA_PORT_SPEED_16GBPS:
                port_attr->supp_speed =
                        cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_16G);
                break;

        case BFA_PORT_SPEED_10GBPS:
                port_attr->supp_speed =
                        cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_10G);
                break;

        case BFA_PORT_SPEED_8GBPS:
                port_attr->supp_speed =
                        cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_8G);
                break;

        case BFA_PORT_SPEED_4GBPS:
                port_attr->supp_speed =
                        cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_4G);
                break;

        default:
                bfa_sm_fault(port->fcs, pport_attr.speed_supported);
        }

        /*
         * Current Speed
         */
        port_attr->curr_speed = cpu_to_be32(
                                bfa_fcs_fdmi_convert_speed(pport_attr.speed));

        /*
         * Max PDU Size.
         */
        port_attr->max_frm_size = cpu_to_be32(pport_attr.pport_cfg.maxfrsize);

        /*
         * OS device Name
         */
        strscpy(port_attr->os_device_name, driver_info->os_device_name,
                sizeof(port_attr->os_device_name));

        /*
         * Host name
         */
        strscpy(port_attr->host_name, driver_info->host_machine_name,
                sizeof(port_attr->host_name));

        port_attr->node_name = bfa_fcs_lport_get_nwwn(port);
        port_attr->port_name = bfa_fcs_lport_get_pwwn(port);

        strscpy(port_attr->port_sym_name.symname,
                bfa_fcs_lport_get_psym_name(port).symname, BFA_SYMNAME_MAXLEN);
        bfa_fcs_lport_get_attr(port, &lport_attr);
        port_attr->port_type = cpu_to_be32(lport_attr.port_type);
        port_attr->scos = pport_attr.cos_supported;
        port_attr->port_fabric_name = port->fabric->lps->pr_nwwn;
        fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->port_act_fc4_type);
        port_attr->port_state = cpu_to_be32(pport_attr.port_state);
        port_attr->num_ports = cpu_to_be32(port->num_rports);
}

/*
 * Convert BFA speed to FDMI format.
 */
u32
bfa_fcs_fdmi_convert_speed(bfa_port_speed_t pport_speed)
{
        u32     ret;

        switch (pport_speed) {
        case BFA_PORT_SPEED_1GBPS:
        case BFA_PORT_SPEED_2GBPS:
                ret = pport_speed;
                break;

        case BFA_PORT_SPEED_4GBPS:
                ret = FDMI_TRANS_SPEED_4G;
                break;

        case BFA_PORT_SPEED_8GBPS:
                ret = FDMI_TRANS_SPEED_8G;
                break;

        case BFA_PORT_SPEED_10GBPS:
                ret = FDMI_TRANS_SPEED_10G;
                break;

        case BFA_PORT_SPEED_16GBPS:
                ret = FDMI_TRANS_SPEED_16G;
                break;

        default:
                ret = FDMI_TRANS_SPEED_UNKNOWN;
        }
        return ret;
}

void
bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms)
{
        struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;

        fdmi->ms = ms;
        if (ms->port->fcs->fdmi_enabled)
                bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
        else
                bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_disabled);
}

void
bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms)
{
        struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;

        fdmi->ms = ms;
        bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_OFFLINE);
}

void
bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms)
{
        struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;

        fdmi->ms = ms;
        bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_ONLINE);
}

#define BFA_FCS_MS_CMD_MAX_RETRIES  2

/*
 * forward declarations
 */
static void     bfa_fcs_lport_ms_send_plogi(void *ms_cbarg,
                                           struct bfa_fcxp_s *fcxp_alloced);
static void     bfa_fcs_lport_ms_timeout(void *arg);
static void     bfa_fcs_lport_ms_plogi_response(void *fcsarg,
                                               struct bfa_fcxp_s *fcxp,
                                               void *cbarg,
                                               bfa_status_t req_status,
                                               u32 rsp_len,
                                               u32 resid_len,
                                               struct fchs_s *rsp_fchs);

static void     bfa_fcs_lport_ms_send_gmal(void *ms_cbarg,
                                        struct bfa_fcxp_s *fcxp_alloced);
static void     bfa_fcs_lport_ms_gmal_response(void *fcsarg,
                                               struct bfa_fcxp_s *fcxp,
                                               void *cbarg,
                                               bfa_status_t req_status,
                                               u32 rsp_len,
                                               u32 resid_len,
                                               struct fchs_s *rsp_fchs);
static void     bfa_fcs_lport_ms_send_gfn(void *ms_cbarg,
                                        struct bfa_fcxp_s *fcxp_alloced);
static void     bfa_fcs_lport_ms_gfn_response(void *fcsarg,
                                               struct bfa_fcxp_s *fcxp,
                                               void *cbarg,
                                               bfa_status_t req_status,
                                               u32 rsp_len,
                                               u32 resid_len,
                                               struct fchs_s *rsp_fchs);
/*
 *  fcs_ms_sm FCS MS state machine
 */

static void     bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
                                           enum port_ms_event event);
static void     bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
                                                 enum port_ms_event event);
static void     bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
                                         enum port_ms_event event);
static void     bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
                                               enum port_ms_event event);
static void     bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
                                                 enum port_ms_event event);
static void     bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
                                         enum port_ms_event event);
static void     bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
                                               enum port_ms_event event);
static void     bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
                                                 enum port_ms_event event);
static void     bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
                                         enum port_ms_event event);
static void     bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
                                               enum port_ms_event event);
static void     bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
                                          enum port_ms_event event);
/*
 *      Start in offline state - awaiting NS to send start.
 */
static void
bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
                                enum port_ms_event event)
{
        bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
        bfa_trc(ms->port->fcs, event);

        switch (event) {
        case MSSM_EVENT_PORT_ONLINE:
                bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
                bfa_fcs_lport_ms_send_plogi(ms, NULL);
                break;

        case MSSM_EVENT_PORT_OFFLINE:
                break;

        default:
                bfa_sm_fault(ms->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
                                enum port_ms_event event)
{
        bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
        bfa_trc(ms->port->fcs, event);

        switch (event) {
        case MSSM_EVENT_FCXP_SENT:
                bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi);
                break;

        case MSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
                bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
                                           &ms->fcxp_wqe);
                break;

        default:
                bfa_sm_fault(ms->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
                        enum port_ms_event event)
{
        bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
        bfa_trc(ms->port->fcs, event);

        switch (event) {
        case MSSM_EVENT_RSP_ERROR:
                /*
                 * Start timer for a delayed retry
                 */
                bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_retry);
                ms->port->stats.ms_retries++;
                bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
                                    &ms->timer, bfa_fcs_lport_ms_timeout, ms,
                                    BFA_FCS_RETRY_TIMEOUT);
                break;

        case MSSM_EVENT_RSP_OK:
                /*
                 * since plogi is done, now invoke MS related sub-modules
                 */
                bfa_fcs_lport_fdmi_online(ms);

                /*
                 * if this is a Vport, go to online state.
                 */
                if (ms->port->vport) {
                        bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
                        break;
                }

                /*
                 * For a base port we need to get the
                 * switch's IP address.
                 */
                bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
                bfa_fcs_lport_ms_send_gmal(ms, NULL);
                break;

        case MSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
                bfa_fcxp_discard(ms->fcxp);
                break;

        default:
                bfa_sm_fault(ms->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
                        enum port_ms_event event)
{
        bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
        bfa_trc(ms->port->fcs, event);

        switch (event) {
        case MSSM_EVENT_TIMEOUT:
                /*
                 * Retry Timer Expired. Re-send
                 */
                bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
                bfa_fcs_lport_ms_send_plogi(ms, NULL);
                break;

        case MSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
                bfa_timer_stop(&ms->timer);
                break;

        default:
                bfa_sm_fault(ms->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
                        enum port_ms_event event)
{
        bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
        bfa_trc(ms->port->fcs, event);

        switch (event) {
        case MSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
                break;

        case MSSM_EVENT_PORT_FABRIC_RSCN:
                bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
                ms->retry_cnt = 0;
                bfa_fcs_lport_ms_send_gfn(ms, NULL);
                break;

        default:
                bfa_sm_fault(ms->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
                                enum port_ms_event event)
{
        bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
        bfa_trc(ms->port->fcs, event);

        switch (event) {
        case MSSM_EVENT_FCXP_SENT:
                bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal);
                break;

        case MSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
                bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
                                           &ms->fcxp_wqe);
                break;

        default:
                bfa_sm_fault(ms->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
                                enum port_ms_event event)
{
        bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
        bfa_trc(ms->port->fcs, event);

        switch (event) {
        case MSSM_EVENT_RSP_ERROR:
                /*
                 * Start timer for a delayed retry
                 */
                if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
                        bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_retry);
                        ms->port->stats.ms_retries++;
                        bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
                                &ms->timer, bfa_fcs_lport_ms_timeout, ms,
                                BFA_FCS_RETRY_TIMEOUT);
                } else {
                        bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
                        bfa_fcs_lport_ms_send_gfn(ms, NULL);
                        ms->retry_cnt = 0;
                }
                break;

        case MSSM_EVENT_RSP_OK:
                bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
                bfa_fcs_lport_ms_send_gfn(ms, NULL);
                break;

        case MSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
                bfa_fcxp_discard(ms->fcxp);
                break;

        default:
                bfa_sm_fault(ms->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
                                enum port_ms_event event)
{
        bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
        bfa_trc(ms->port->fcs, event);

        switch (event) {
        case MSSM_EVENT_TIMEOUT:
                /*
                 * Retry Timer Expired. Re-send
                 */
                bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
                bfa_fcs_lport_ms_send_gmal(ms, NULL);
                break;

        case MSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
                bfa_timer_stop(&ms->timer);
                break;

        default:
                bfa_sm_fault(ms->port->fcs, event);
        }
}
/*
 *  ms_pvt MS local functions
 */

static void
bfa_fcs_lport_ms_send_gmal(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
        struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
        bfa_fcs_lport_t *port = ms->port;
        struct fchs_s   fchs;
        int             len;
        struct bfa_fcxp_s *fcxp;

        bfa_trc(port->fcs, port->pid);

        fcxp = fcxp_alloced ? fcxp_alloced :
               bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
        if (!fcxp) {
                bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
                                bfa_fcs_lport_ms_send_gmal, ms, BFA_TRUE);
                return;
        }
        ms->fcxp = fcxp;

        len = fc_gmal_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
                             bfa_fcs_lport_get_fcid(port),
                                 port->fabric->lps->pr_nwwn);

        bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
                          FC_CLASS_3, len, &fchs,
                          bfa_fcs_lport_ms_gmal_response, (void *)ms,
                          FC_MAX_PDUSZ, FC_FCCT_TOV);

        bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
}

static void
bfa_fcs_lport_ms_gmal_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
                                void *cbarg, bfa_status_t req_status,
                                u32 rsp_len, u32 resid_len,
                                struct fchs_s *rsp_fchs)
{
        struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
        bfa_fcs_lport_t *port = ms->port;
        struct ct_hdr_s         *cthdr = NULL;
        struct fcgs_gmal_resp_s *gmal_resp;
        struct fcgs_gmal_entry_s *gmal_entry;
        u32             num_entries;
        u8                      *rsp_str;

        bfa_trc(port->fcs, req_status);
        bfa_trc(port->fcs, port->port_cfg.pwwn);

        /*
         * Sanity Checks
         */
        if (req_status != BFA_STATUS_OK) {
                bfa_trc(port->fcs, req_status);
                bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
                return;
        }

        cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
        cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);

        if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
                gmal_resp = (struct fcgs_gmal_resp_s *)(cthdr + 1);

                num_entries = be32_to_cpu(gmal_resp->ms_len);
                if (num_entries == 0) {
                        bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
                        return;
                }
                /*
                * The response could contain multiple Entries.
                * Entries for SNMP interface, etc.
                * We look for the entry with a telnet prefix.
                * First "http://" entry refers to IP addr
                */

                gmal_entry = (struct fcgs_gmal_entry_s *)gmal_resp->ms_ma;
                while (num_entries > 0) {
                        if (strncmp(gmal_entry->prefix,
                                CT_GMAL_RESP_PREFIX_HTTP,
                                sizeof(gmal_entry->prefix)) == 0) {

                                /*
                                * if the IP address is terminating with a '/',
                                * remove it.
                                * Byte 0 consists of the length of the string.
                                */
                                rsp_str = &(gmal_entry->prefix[0]);
                                if (rsp_str[gmal_entry->len-1] == '/')
                                        rsp_str[gmal_entry->len-1] = 0;

                                /* copy IP Address to fabric */
                                strscpy(bfa_fcs_lport_get_fabric_ipaddr(port),
                                        gmal_entry->ip_addr,
                                        BFA_FCS_FABRIC_IPADDR_SZ);
                                break;
                        } else {
                                --num_entries;
                                ++gmal_entry;
                        }
                }

                bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
                return;
        }

        bfa_trc(port->fcs, cthdr->reason_code);
        bfa_trc(port->fcs, cthdr->exp_code);
        bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
}

static void
bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
                        enum port_ms_event event)
{
        bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
        bfa_trc(ms->port->fcs, event);

        switch (event) {
        case MSSM_EVENT_FCXP_SENT:
                bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn);
                break;

        case MSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
                bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
                                           &ms->fcxp_wqe);
                break;

        default:
                bfa_sm_fault(ms->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
                        enum port_ms_event event)
{
        bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
        bfa_trc(ms->port->fcs, event);

        switch (event) {
        case MSSM_EVENT_RSP_ERROR:
                /*
                 * Start timer for a delayed retry
                 */
                if (ms->retry_cnt++ < BFA_FCS_MS_CMD_MAX_RETRIES) {
                        bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_retry);
                        ms->port->stats.ms_retries++;
                        bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
                                &ms->timer, bfa_fcs_lport_ms_timeout, ms,
                                BFA_FCS_RETRY_TIMEOUT);
                } else {
                        bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
                        ms->retry_cnt = 0;
                }
                break;

        case MSSM_EVENT_RSP_OK:
                bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
                break;

        case MSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
                bfa_fcxp_discard(ms->fcxp);
                break;

        default:
                bfa_sm_fault(ms->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
                                enum port_ms_event event)
{
        bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
        bfa_trc(ms->port->fcs, event);

        switch (event) {
        case MSSM_EVENT_TIMEOUT:
                /*
                 * Retry Timer Expired. Re-send
                 */
                bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
                bfa_fcs_lport_ms_send_gfn(ms, NULL);
                break;

        case MSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
                bfa_timer_stop(&ms->timer);
                break;

        default:
                bfa_sm_fault(ms->port->fcs, event);
        }
}
/*
 *  ms_pvt MS local functions
 */

static void
bfa_fcs_lport_ms_send_gfn(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
        struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
        bfa_fcs_lport_t *port = ms->port;
        struct fchs_s           fchs;
        int                     len;
        struct bfa_fcxp_s *fcxp;

        bfa_trc(port->fcs, port->pid);

        fcxp = fcxp_alloced ? fcxp_alloced :
               bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
        if (!fcxp) {
                bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
                                bfa_fcs_lport_ms_send_gfn, ms, BFA_TRUE);
                return;
        }
        ms->fcxp = fcxp;

        len = fc_gfn_req_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
                             bfa_fcs_lport_get_fcid(port),
                                 port->fabric->lps->pr_nwwn);

        bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
                          FC_CLASS_3, len, &fchs,
                          bfa_fcs_lport_ms_gfn_response, (void *)ms,
                          FC_MAX_PDUSZ, FC_FCCT_TOV);

        bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
}

static void
bfa_fcs_lport_ms_gfn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
                        void *cbarg, bfa_status_t req_status, u32 rsp_len,
                        u32 resid_len, struct fchs_s *rsp_fchs)
{
        struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
        bfa_fcs_lport_t *port = ms->port;
        struct ct_hdr_s *cthdr = NULL;
        wwn_t          *gfn_resp;

        bfa_trc(port->fcs, req_status);
        bfa_trc(port->fcs, port->port_cfg.pwwn);

        /*
         * Sanity Checks
         */
        if (req_status != BFA_STATUS_OK) {
                bfa_trc(port->fcs, req_status);
                bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
                return;
        }

        cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
        cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);

        if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
                gfn_resp = (wwn_t *)(cthdr + 1);
                /* check if it has actually changed */
                if ((memcmp((void *)&bfa_fcs_lport_get_fabric_name(port),
                                gfn_resp, sizeof(wwn_t)) != 0)) {
                        bfa_fcs_fabric_set_fabric_name(port->fabric, *gfn_resp);
                }
                bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
                return;
        }

        bfa_trc(port->fcs, cthdr->reason_code);
        bfa_trc(port->fcs, cthdr->exp_code);
        bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
}

/*
 *  ms_pvt MS local functions
 */

static void
bfa_fcs_lport_ms_send_plogi(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
        struct bfa_fcs_lport_ms_s *ms = ms_cbarg;
        struct bfa_fcs_lport_s *port = ms->port;
        struct fchs_s   fchs;
        int     len;
        struct bfa_fcxp_s *fcxp;

        bfa_trc(port->fcs, port->pid);

        fcxp = fcxp_alloced ? fcxp_alloced :
               bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
        if (!fcxp) {
                port->stats.ms_plogi_alloc_wait++;
                bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ms->fcxp_wqe,
                                bfa_fcs_lport_ms_send_plogi, ms, BFA_TRUE);
                return;
        }
        ms->fcxp = fcxp;

        len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
                             bfa_hton3b(FC_MGMT_SERVER),
                             bfa_fcs_lport_get_fcid(port), 0,
                             port->port_cfg.pwwn, port->port_cfg.nwwn,
                             bfa_fcport_get_maxfrsize(port->fcs->bfa),
                             bfa_fcport_get_rx_bbcredit(port->fcs->bfa));

        bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
                          FC_CLASS_3, len, &fchs,
                          bfa_fcs_lport_ms_plogi_response, (void *)ms,
                          FC_MAX_PDUSZ, FC_ELS_TOV);

        port->stats.ms_plogi_sent++;
        bfa_sm_send_event(ms, MSSM_EVENT_FCXP_SENT);
}

static void
bfa_fcs_lport_ms_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
                        void *cbarg, bfa_status_t req_status,
                        u32 rsp_len, u32 resid_len, struct fchs_s *rsp_fchs)
{
        struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) cbarg;
        struct bfa_fcs_lport_s *port = ms->port;
        struct fc_els_cmd_s *els_cmd;
        struct fc_ls_rjt_s *ls_rjt;

        bfa_trc(port->fcs, req_status);
        bfa_trc(port->fcs, port->port_cfg.pwwn);

        /*
         * Sanity Checks
         */
        if (req_status != BFA_STATUS_OK) {
                port->stats.ms_plogi_rsp_err++;
                bfa_trc(port->fcs, req_status);
                bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
                return;
        }

        els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);

        switch (els_cmd->els_code) {

        case FC_ELS_ACC:
                if (rsp_len < sizeof(struct fc_logi_s)) {
                        bfa_trc(port->fcs, rsp_len);
                        port->stats.ms_plogi_acc_err++;
                        bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
                        break;
                }
                port->stats.ms_plogi_accepts++;
                bfa_sm_send_event(ms, MSSM_EVENT_RSP_OK);
                break;

        case FC_ELS_LS_RJT:
                ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);

                bfa_trc(port->fcs, ls_rjt->reason_code);
                bfa_trc(port->fcs, ls_rjt->reason_code_expl);

                port->stats.ms_rejects++;
                bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
                break;

        default:
                port->stats.ms_plogi_unknown_rsp++;
                bfa_trc(port->fcs, els_cmd->els_code);
                bfa_sm_send_event(ms, MSSM_EVENT_RSP_ERROR);
        }
}

static void
bfa_fcs_lport_ms_timeout(void *arg)
{
        struct bfa_fcs_lport_ms_s *ms = (struct bfa_fcs_lport_ms_s *) arg;

        ms->port->stats.ms_timeouts++;
        bfa_sm_send_event(ms, MSSM_EVENT_TIMEOUT);
}


void
bfa_fcs_lport_ms_init(struct bfa_fcs_lport_s *port)
{
        struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);

        ms->port = port;
        bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);

        /*
         * Invoke init routines of sub modules.
         */
        bfa_fcs_lport_fdmi_init(ms);
}

void
bfa_fcs_lport_ms_offline(struct bfa_fcs_lport_s *port)
{
        struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);

        ms->port = port;
        bfa_sm_send_event(ms, MSSM_EVENT_PORT_OFFLINE);
        bfa_fcs_lport_fdmi_offline(ms);
}

void
bfa_fcs_lport_ms_online(struct bfa_fcs_lport_s *port)
{
        struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);

        ms->port = port;
        bfa_sm_send_event(ms, MSSM_EVENT_PORT_ONLINE);
}
void
bfa_fcs_lport_ms_fabric_rscn(struct bfa_fcs_lport_s *port)
{
        struct bfa_fcs_lport_ms_s *ms = BFA_FCS_GET_MS_FROM_PORT(port);

        /* todo.  Handle this only  when in Online state */
        if (bfa_sm_cmp_state(ms, bfa_fcs_lport_ms_sm_online))
                bfa_sm_send_event(ms, MSSM_EVENT_PORT_FABRIC_RSCN);
}

/*
 * @page ns_sm_info VPORT NS State Machine
 *
 * @section ns_sm_interactions VPORT NS State Machine Interactions
 *
 * @section ns_sm VPORT NS State Machine
 * img ns_sm.jpg
 */

/*
 * forward declarations
 */
static void     bfa_fcs_lport_ns_send_plogi(void *ns_cbarg,
                                           struct bfa_fcxp_s *fcxp_alloced);
static void     bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg,
                                             struct bfa_fcxp_s *fcxp_alloced);
static void     bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg,
                                            struct bfa_fcxp_s *fcxp_alloced);
static void     bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg,
                                            struct bfa_fcxp_s *fcxp_alloced);
static void     bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg,
                                            struct bfa_fcxp_s *fcxp_alloced);
static void     bfa_fcs_lport_ns_send_rnn_id(void *ns_cbarg,
                                        struct bfa_fcxp_s *fcxp_alloced);
static void     bfa_fcs_lport_ns_send_rsnn_nn(void *ns_cbarg,
                                        struct bfa_fcxp_s *fcxp_alloced);
static void     bfa_fcs_lport_ns_timeout(void *arg);
static void     bfa_fcs_lport_ns_plogi_response(void *fcsarg,
                                               struct bfa_fcxp_s *fcxp,
                                               void *cbarg,
                                               bfa_status_t req_status,
                                               u32 rsp_len,
                                               u32 resid_len,
                                               struct fchs_s *rsp_fchs);
static void     bfa_fcs_lport_ns_rspn_id_response(void *fcsarg,
                                                 struct bfa_fcxp_s *fcxp,
                                                 void *cbarg,
                                                 bfa_status_t req_status,
                                                 u32 rsp_len,
                                                 u32 resid_len,
                                                 struct fchs_s *rsp_fchs);
static void     bfa_fcs_lport_ns_rft_id_response(void *fcsarg,
                                                struct bfa_fcxp_s *fcxp,
                                                void *cbarg,
                                                bfa_status_t req_status,
                                                u32 rsp_len,
                                                u32 resid_len,
                                                struct fchs_s *rsp_fchs);
static void     bfa_fcs_lport_ns_rff_id_response(void *fcsarg,
                                                struct bfa_fcxp_s *fcxp,
                                                void *cbarg,
                                                bfa_status_t req_status,
                                                u32 rsp_len,
                                                u32 resid_len,
                                                struct fchs_s *rsp_fchs);
static void     bfa_fcs_lport_ns_gid_ft_response(void *fcsarg,
                                                struct bfa_fcxp_s *fcxp,
                                                void *cbarg,
                                                bfa_status_t req_status,
                                                u32 rsp_len,
                                                u32 resid_len,
                                                struct fchs_s *rsp_fchs);
static void     bfa_fcs_lport_ns_rnn_id_response(void *fcsarg,
                                                struct bfa_fcxp_s *fcxp,
                                                void *cbarg,
                                                bfa_status_t req_status,
                                                u32 rsp_len,
                                                u32 resid_len,
                                                struct fchs_s *rsp_fchs);
static void     bfa_fcs_lport_ns_rsnn_nn_response(void *fcsarg,
                                                struct bfa_fcxp_s *fcxp,
                                                void *cbarg,
                                                bfa_status_t req_status,
                                                u32 rsp_len,
                                                u32 resid_len,
                                                struct fchs_s *rsp_fchs);
static void     bfa_fcs_lport_ns_process_gidft_pids(
                                struct bfa_fcs_lport_s *port,
                                u32 *pid_buf, u32 n_pids);

static void bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port);
/*
 *  fcs_ns_sm FCS nameserver interface state machine
 */

static void     bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
                                           enum vport_ns_event event);
static void     bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
                                                 enum vport_ns_event event);
static void     bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
                                         enum vport_ns_event event);
static void     bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
                                               enum vport_ns_event event);
static void     bfa_fcs_lport_ns_sm_sending_rspn_id(
                                        struct bfa_fcs_lport_ns_s *ns,
                                        enum vport_ns_event event);
static void     bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
                                           enum vport_ns_event event);
static void     bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
                                                 enum vport_ns_event event);
static void     bfa_fcs_lport_ns_sm_sending_rft_id(
                                        struct bfa_fcs_lport_ns_s *ns,
                                        enum vport_ns_event event);
static void     bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
                                                enum vport_ns_event event);
static void     bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
                                          enum vport_ns_event event);
static void     bfa_fcs_lport_ns_sm_sending_rff_id(
                                        struct bfa_fcs_lport_ns_s *ns,
                                        enum vport_ns_event event);
static void     bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
                                                enum vport_ns_event event);
static void     bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
                                          enum vport_ns_event event);
static void     bfa_fcs_lport_ns_sm_sending_gid_ft(
                                        struct bfa_fcs_lport_ns_s *ns,
                                        enum vport_ns_event event);
static void     bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
                                          enum vport_ns_event event);
static void     bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
                                                enum vport_ns_event event);
static void     bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
                                          enum vport_ns_event event);
static void     bfa_fcs_lport_ns_sm_sending_rnn_id(
                                        struct bfa_fcs_lport_ns_s *ns,
                                        enum vport_ns_event event);
static void     bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s *ns,
                                        enum vport_ns_event event);
static void     bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s *ns,
                                                enum vport_ns_event event);
static void     bfa_fcs_lport_ns_sm_sending_rsnn_nn(
                                        struct bfa_fcs_lport_ns_s *ns,
                                        enum vport_ns_event event);
static void     bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
                                                enum vport_ns_event event);
static void     bfa_fcs_lport_ns_sm_rsnn_nn_retry(
                                        struct bfa_fcs_lport_ns_s *ns,
                                        enum vport_ns_event event);
/*
 *      Start in offline state - awaiting linkup
 */
static void
bfa_fcs_lport_ns_sm_offline(struct bfa_fcs_lport_ns_s *ns,
                        enum vport_ns_event event)
{
        bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
        bfa_trc(ns->port->fcs, event);

        switch (event) {
        case NSSM_EVENT_PORT_ONLINE:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
                bfa_fcs_lport_ns_send_plogi(ns, NULL);
                break;

        case NSSM_EVENT_PORT_OFFLINE:
                break;

        default:
                bfa_sm_fault(ns->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ns_sm_plogi_sending(struct bfa_fcs_lport_ns_s *ns,
                        enum vport_ns_event event)
{
        bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
        bfa_trc(ns->port->fcs, event);

        switch (event) {
        case NSSM_EVENT_PLOGI_SENT:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi);
                break;

        case NSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
                bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
                                           &ns->fcxp_wqe);
                break;

        default:
                bfa_sm_fault(ns->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ns_sm_plogi(struct bfa_fcs_lport_ns_s *ns,
                        enum vport_ns_event event)
{
        bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
        bfa_trc(ns->port->fcs, event);

        switch (event) {
        case NSSM_EVENT_RSP_ERROR:
                /*
                 * Start timer for a delayed retry
                 */
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_retry);
                ns->port->stats.ns_retries++;
                bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
                                    &ns->timer, bfa_fcs_lport_ns_timeout, ns,
                                    BFA_FCS_RETRY_TIMEOUT);
                break;

        case NSSM_EVENT_RSP_OK:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rnn_id);
                ns->num_rnnid_retries = 0;
                bfa_fcs_lport_ns_send_rnn_id(ns, NULL);
                break;

        case NSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
                bfa_fcxp_discard(ns->fcxp);
                break;

        default:
                bfa_sm_fault(ns->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ns_sm_plogi_retry(struct bfa_fcs_lport_ns_s *ns,
                                enum vport_ns_event event)
{
        bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
        bfa_trc(ns->port->fcs, event);

        switch (event) {
        case NSSM_EVENT_TIMEOUT:
                /*
                 * Retry Timer Expired. Re-send
                 */
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_plogi_sending);
                bfa_fcs_lport_ns_send_plogi(ns, NULL);
                break;

        case NSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
                bfa_timer_stop(&ns->timer);
                break;

        default:
                bfa_sm_fault(ns->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ns_sm_sending_rnn_id(struct bfa_fcs_lport_ns_s *ns,
                                        enum vport_ns_event event)
{
        bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
        bfa_trc(ns->port->fcs, event);

        switch (event) {
        case NSSM_EVENT_RNNID_SENT:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rnn_id);
                break;

        case NSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
                bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
                                                &ns->fcxp_wqe);
                break;
        default:
                bfa_sm_fault(ns->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ns_sm_rnn_id(struct bfa_fcs_lport_ns_s *ns,
                                enum vport_ns_event event)
{
        bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
        bfa_trc(ns->port->fcs, event);

        switch (event) {
        case NSSM_EVENT_RSP_OK:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rsnn_nn);
                ns->num_rnnid_retries = 0;
                ns->num_rsnn_nn_retries = 0;
                bfa_fcs_lport_ns_send_rsnn_nn(ns, NULL);
                break;

        case NSSM_EVENT_RSP_ERROR:
                if (ns->num_rnnid_retries < BFA_FCS_MAX_NS_RETRIES) {
                        bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rnn_id_retry);
                        ns->port->stats.ns_retries++;
                        ns->num_rnnid_retries++;
                        bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
                                &ns->timer, bfa_fcs_lport_ns_timeout, ns,
                                BFA_FCS_RETRY_TIMEOUT);
                } else {
                        bfa_sm_set_state(ns,
                                bfa_fcs_lport_ns_sm_sending_rspn_id);
                        bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
                }
                break;

        case NSSM_EVENT_PORT_OFFLINE:
                bfa_fcxp_discard(ns->fcxp);
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
                break;

        default:
                bfa_sm_fault(ns->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ns_sm_rnn_id_retry(struct bfa_fcs_lport_ns_s *ns,
                                enum vport_ns_event event)
{
        bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
        bfa_trc(ns->port->fcs, event);

        switch (event) {
        case NSSM_EVENT_TIMEOUT:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rnn_id);
                bfa_fcs_lport_ns_send_rnn_id(ns, NULL);
                break;

        case NSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
                bfa_timer_stop(&ns->timer);
                break;

        default:
                bfa_sm_fault(ns->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ns_sm_sending_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
                                        enum vport_ns_event event)
{
        bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
        bfa_trc(ns->port->fcs, event);

        switch (event) {
        case NSSM_EVENT_RSNN_NN_SENT:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rsnn_nn);
                break;

        case NSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
                bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
                        &ns->fcxp_wqe);
                break;

        default:
                bfa_sm_fault(ns->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ns_sm_rsnn_nn(struct bfa_fcs_lport_ns_s *ns,
                                enum vport_ns_event event)
{
        bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
        bfa_trc(ns->port->fcs, event);

        switch (event) {
        case NSSM_EVENT_RSP_OK:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
                ns->num_rsnn_nn_retries = 0;
                bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
                break;

        case NSSM_EVENT_RSP_ERROR:
                if (ns->num_rsnn_nn_retries < BFA_FCS_MAX_NS_RETRIES) {
                        bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rsnn_nn_retry);
                        ns->port->stats.ns_retries++;
                        ns->num_rsnn_nn_retries++;
                        bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
                                        &ns->timer, bfa_fcs_lport_ns_timeout,
                                        ns, BFA_FCS_RETRY_TIMEOUT);
                } else {
                        bfa_sm_set_state(ns,
                                bfa_fcs_lport_ns_sm_sending_rspn_id);
                        bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
                }
                break;

        case NSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
                bfa_fcxp_discard(ns->fcxp);
                break;

        default:
                bfa_sm_fault(ns->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ns_sm_rsnn_nn_retry(struct bfa_fcs_lport_ns_s *ns,
                                        enum vport_ns_event event)
{
        bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
        bfa_trc(ns->port->fcs, event);

        switch (event) {
        case NSSM_EVENT_TIMEOUT:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rsnn_nn);
                bfa_fcs_lport_ns_send_rsnn_nn(ns, NULL);
                break;

        case NSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
                bfa_timer_stop(&ns->timer);
                break;

        default:
                bfa_sm_fault(ns->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ns_sm_sending_rspn_id(struct bfa_fcs_lport_ns_s *ns,
                                   enum vport_ns_event event)
{
        bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
        bfa_trc(ns->port->fcs, event);

        switch (event) {
        case NSSM_EVENT_RSPNID_SENT:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id);
                break;

        case NSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
                bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
                                           &ns->fcxp_wqe);
                break;

        default:
                bfa_sm_fault(ns->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ns_sm_rspn_id(struct bfa_fcs_lport_ns_s *ns,
                        enum vport_ns_event event)
{
        bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
        bfa_trc(ns->port->fcs, event);

        switch (event) {
        case NSSM_EVENT_RSP_ERROR:
                /*
                 * Start timer for a delayed retry
                 */
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry);
                ns->port->stats.ns_retries++;
                bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
                                    &ns->timer, bfa_fcs_lport_ns_timeout, ns,
                                    BFA_FCS_RETRY_TIMEOUT);
                break;

        case NSSM_EVENT_RSP_OK:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
                bfa_fcs_lport_ns_send_rft_id(ns, NULL);
                break;

        case NSSM_EVENT_PORT_OFFLINE:
                bfa_fcxp_discard(ns->fcxp);
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
                break;

        default:
                bfa_sm_fault(ns->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ns_sm_rspn_id_retry(struct bfa_fcs_lport_ns_s *ns,
                                enum vport_ns_event event)
{
        bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
        bfa_trc(ns->port->fcs, event);

        switch (event) {
        case NSSM_EVENT_TIMEOUT:
                /*
                 * Retry Timer Expired. Re-send
                 */
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rspn_id);
                bfa_fcs_lport_ns_send_rspn_id(ns, NULL);
                break;

        case NSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
                bfa_timer_stop(&ns->timer);
                break;

        default:
                bfa_sm_fault(ns->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ns_sm_sending_rft_id(struct bfa_fcs_lport_ns_s *ns,
                                  enum vport_ns_event event)
{
        bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
        bfa_trc(ns->port->fcs, event);

        switch (event) {
        case NSSM_EVENT_RFTID_SENT:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id);
                break;

        case NSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
                bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
                                           &ns->fcxp_wqe);
                break;

        default:
                bfa_sm_fault(ns->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ns_sm_rft_id(struct bfa_fcs_lport_ns_s *ns,
                        enum vport_ns_event event)
{
        bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
        bfa_trc(ns->port->fcs, event);

        switch (event) {
        case NSSM_EVENT_RSP_OK:
                /* Now move to register FC4 Features */
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
                bfa_fcs_lport_ns_send_rff_id(ns, NULL);
                break;

        case NSSM_EVENT_RSP_ERROR:
                /*
                 * Start timer for a delayed retry
                 */
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rft_id_retry);
                ns->port->stats.ns_retries++;
                bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
                                    &ns->timer, bfa_fcs_lport_ns_timeout, ns,
                                    BFA_FCS_RETRY_TIMEOUT);
                break;

        case NSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
                bfa_fcxp_discard(ns->fcxp);
                break;

        default:
                bfa_sm_fault(ns->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ns_sm_rft_id_retry(struct bfa_fcs_lport_ns_s *ns,
                                enum vport_ns_event event)
{
        bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
        bfa_trc(ns->port->fcs, event);

        switch (event) {
        case NSSM_EVENT_TIMEOUT:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rft_id);
                bfa_fcs_lport_ns_send_rft_id(ns, NULL);
                break;

        case NSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
                bfa_timer_stop(&ns->timer);
                break;

        default:
                bfa_sm_fault(ns->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ns_sm_sending_rff_id(struct bfa_fcs_lport_ns_s *ns,
                                  enum vport_ns_event event)
{
        bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
        bfa_trc(ns->port->fcs, event);

        switch (event) {
        case NSSM_EVENT_RFFID_SENT:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id);
                break;

        case NSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
                bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
                                           &ns->fcxp_wqe);
                break;

        default:
                bfa_sm_fault(ns->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ns_sm_rff_id(struct bfa_fcs_lport_ns_s *ns,
                        enum vport_ns_event event)
{
        bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
        bfa_trc(ns->port->fcs, event);

        switch (event) {
        case NSSM_EVENT_RSP_OK:

                /*
                 * If min cfg mode is enabled, we donot initiate rport
                 * discovery with the fabric. Instead, we will retrieve the
                 * boot targets from HAL/FW.
                 */
                if (__fcs_min_cfg(ns->port->fcs)) {
                        bfa_fcs_lport_ns_boot_target_disc(ns->port);
                        bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
                        return;
                }

                /*
                 * If the port role is Initiator Mode issue NS query.
                 * If it is Target Mode, skip this and go to online.
                 */
                if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
                        bfa_sm_set_state(ns,
                                bfa_fcs_lport_ns_sm_sending_gid_ft);
                        bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
                }
                /*
                 * kick off mgmt srvr state machine
                 */
                bfa_fcs_lport_ms_online(ns->port);
                break;

        case NSSM_EVENT_RSP_ERROR:
                /*
                 * Start timer for a delayed retry
                 */
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_rff_id_retry);
                ns->port->stats.ns_retries++;
                bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
                                    &ns->timer, bfa_fcs_lport_ns_timeout, ns,
                                    BFA_FCS_RETRY_TIMEOUT);
                break;

        case NSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
                bfa_fcxp_discard(ns->fcxp);
                break;

        default:
                bfa_sm_fault(ns->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ns_sm_rff_id_retry(struct bfa_fcs_lport_ns_s *ns,
                                enum vport_ns_event event)
{
        bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
        bfa_trc(ns->port->fcs, event);

        switch (event) {
        case NSSM_EVENT_TIMEOUT:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_rff_id);
                bfa_fcs_lport_ns_send_rff_id(ns, NULL);
                break;

        case NSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
                bfa_timer_stop(&ns->timer);
                break;

        default:
                bfa_sm_fault(ns->port->fcs, event);
        }
}
static void
bfa_fcs_lport_ns_sm_sending_gid_ft(struct bfa_fcs_lport_ns_s *ns,
                                  enum vport_ns_event event)
{
        bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
        bfa_trc(ns->port->fcs, event);

        switch (event) {
        case NSSM_EVENT_GIDFT_SENT:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft);
                break;

        case NSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
                bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
                                           &ns->fcxp_wqe);
                break;

        default:
                bfa_sm_fault(ns->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ns_sm_gid_ft(struct bfa_fcs_lport_ns_s *ns,
                        enum vport_ns_event event)
{
        bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
        bfa_trc(ns->port->fcs, event);

        switch (event) {
        case NSSM_EVENT_RSP_OK:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_online);
                break;

        case NSSM_EVENT_RSP_ERROR:
                /*
                 * TBD: for certain reject codes, we don't need to retry
                 */
                /*
                 * Start timer for a delayed retry
                 */
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_gid_ft_retry);
                ns->port->stats.ns_retries++;
                bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ns->port),
                                    &ns->timer, bfa_fcs_lport_ns_timeout, ns,
                                    BFA_FCS_RETRY_TIMEOUT);
                break;

        case NSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
                bfa_fcxp_discard(ns->fcxp);
                break;

        case  NSSM_EVENT_NS_QUERY:
                break;

        default:
                bfa_sm_fault(ns->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ns_sm_gid_ft_retry(struct bfa_fcs_lport_ns_s *ns,
                                enum vport_ns_event event)
{
        bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
        bfa_trc(ns->port->fcs, event);

        switch (event) {
        case NSSM_EVENT_TIMEOUT:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_sending_gid_ft);
                bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
                break;

        case NSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
                bfa_timer_stop(&ns->timer);
                break;

        default:
                bfa_sm_fault(ns->port->fcs, event);
        }
}

static void
bfa_fcs_lport_ns_sm_online(struct bfa_fcs_lport_ns_s *ns,
                        enum vport_ns_event event)
{
        bfa_trc(ns->port->fcs, ns->port->port_cfg.pwwn);
        bfa_trc(ns->port->fcs, event);

        switch (event) {
        case NSSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
                break;

        case NSSM_EVENT_NS_QUERY:
                /*
                 * If the port role is Initiator Mode issue NS query.
                 * If it is Target Mode, skip this and go to online.
                 */
                if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port)) {
                        bfa_sm_set_state(ns,
                                bfa_fcs_lport_ns_sm_sending_gid_ft);
                        bfa_fcs_lport_ns_send_gid_ft(ns, NULL);
                }
                break;

        default:
                bfa_sm_fault(ns->port->fcs, event);
        }
}



/*
 *  ns_pvt Nameserver local functions
 */

static void
bfa_fcs_lport_ns_send_plogi(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
        struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
        struct bfa_fcs_lport_s *port = ns->port;
        struct fchs_s fchs;
        int             len;
        struct bfa_fcxp_s *fcxp;

        bfa_trc(port->fcs, port->pid);

        fcxp = fcxp_alloced ? fcxp_alloced :
               bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
        if (!fcxp) {
                port->stats.ns_plogi_alloc_wait++;
                bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
                                bfa_fcs_lport_ns_send_plogi, ns, BFA_TRUE);
                return;
        }
        ns->fcxp = fcxp;

        len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
                             bfa_hton3b(FC_NAME_SERVER),
                             bfa_fcs_lport_get_fcid(port), 0,
                             port->port_cfg.pwwn, port->port_cfg.nwwn,
                             bfa_fcport_get_maxfrsize(port->fcs->bfa),
                             bfa_fcport_get_rx_bbcredit(port->fcs->bfa));

        bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
                          FC_CLASS_3, len, &fchs,
                          bfa_fcs_lport_ns_plogi_response, (void *)ns,
                          FC_MAX_PDUSZ, FC_ELS_TOV);
        port->stats.ns_plogi_sent++;

        bfa_sm_send_event(ns, NSSM_EVENT_PLOGI_SENT);
}

static void
bfa_fcs_lport_ns_plogi_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
                        void *cbarg, bfa_status_t req_status, u32 rsp_len,
                       u32 resid_len, struct fchs_s *rsp_fchs)
{
        struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
        struct bfa_fcs_lport_s *port = ns->port;
        /* struct fc_logi_s *plogi_resp; */
        struct fc_els_cmd_s *els_cmd;
        struct fc_ls_rjt_s *ls_rjt;

        bfa_trc(port->fcs, req_status);
        bfa_trc(port->fcs, port->port_cfg.pwwn);

        /*
         * Sanity Checks
         */
        if (req_status != BFA_STATUS_OK) {
                bfa_trc(port->fcs, req_status);
                port->stats.ns_plogi_rsp_err++;
                bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
                return;
        }

        els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);

        switch (els_cmd->els_code) {

        case FC_ELS_ACC:
                if (rsp_len < sizeof(struct fc_logi_s)) {
                        bfa_trc(port->fcs, rsp_len);
                        port->stats.ns_plogi_acc_err++;
                        bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
                        break;
                }
                port->stats.ns_plogi_accepts++;
                bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
                break;

        case FC_ELS_LS_RJT:
                ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);

                bfa_trc(port->fcs, ls_rjt->reason_code);
                bfa_trc(port->fcs, ls_rjt->reason_code_expl);

                port->stats.ns_rejects++;

                bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
                break;

        default:
                port->stats.ns_plogi_unknown_rsp++;
                bfa_trc(port->fcs, els_cmd->els_code);
                bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
        }
}

/*
 * Register node name for port_id
 */
static void
bfa_fcs_lport_ns_send_rnn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
        struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
        struct bfa_fcs_lport_s *port = ns->port;
        struct fchs_s  fchs;
        int     len;
        struct bfa_fcxp_s *fcxp;

        bfa_trc(port->fcs, port->port_cfg.pwwn);

        fcxp = fcxp_alloced ? fcxp_alloced :
                        bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
        if (!fcxp) {
                port->stats.ns_rnnid_alloc_wait++;
                bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
                                bfa_fcs_lport_ns_send_rnn_id, ns, BFA_TRUE);
                return;
        }

        ns->fcxp = fcxp;

        len = fc_rnnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
                                bfa_fcs_lport_get_fcid(port),
                                bfa_fcs_lport_get_fcid(port),
                                bfa_fcs_lport_get_nwwn(port));

        bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
                          FC_CLASS_3, len, &fchs,
                          bfa_fcs_lport_ns_rnn_id_response, (void *)ns,
                          FC_MAX_PDUSZ, FC_FCCT_TOV);

        port->stats.ns_rnnid_sent++;
        bfa_sm_send_event(ns, NSSM_EVENT_RNNID_SENT);
}

static void
bfa_fcs_lport_ns_rnn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
                                void *cbarg, bfa_status_t req_status,
                                u32 rsp_len, u32 resid_len,
                                struct fchs_s *rsp_fchs)

{
        struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
        struct bfa_fcs_lport_s *port = ns->port;
        struct ct_hdr_s *cthdr = NULL;

        bfa_trc(port->fcs, port->port_cfg.pwwn);

        /*
         * Sanity Checks
         */
        if (req_status != BFA_STATUS_OK) {
                bfa_trc(port->fcs, req_status);
                port->stats.ns_rnnid_rsp_err++;
                bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
                return;
        }

        cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
        cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);

        if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
                port->stats.ns_rnnid_accepts++;
                bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
                return;
        }

        port->stats.ns_rnnid_rejects++;
        bfa_trc(port->fcs, cthdr->reason_code);
        bfa_trc(port->fcs, cthdr->exp_code);
        bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
}

/*
 * Register the symbolic node name for a given node name.
 */
static void
bfa_fcs_lport_ns_send_rsnn_nn(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
        struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
        struct bfa_fcs_lport_s *port = ns->port;
        struct fchs_s  fchs;
        int     len;
        struct bfa_fcxp_s *fcxp;
        u8 *nsymbl;

        bfa_trc(port->fcs, port->port_cfg.pwwn);

        fcxp = fcxp_alloced ? fcxp_alloced :
                        bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
        if (!fcxp) {
                port->stats.ns_rsnn_nn_alloc_wait++;
                bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
                                bfa_fcs_lport_ns_send_rsnn_nn, ns, BFA_TRUE);
                return;
        }
        ns->fcxp = fcxp;

        nsymbl = (u8 *) &(bfa_fcs_lport_get_nsym_name(
                                        bfa_fcs_get_base_port(port->fcs)));

        len = fc_rsnn_nn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
                                bfa_fcs_lport_get_fcid(port),
                                bfa_fcs_lport_get_nwwn(port), nsymbl);

        bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
                          FC_CLASS_3, len, &fchs,
                          bfa_fcs_lport_ns_rsnn_nn_response, (void *)ns,
                          FC_MAX_PDUSZ, FC_FCCT_TOV);

        port->stats.ns_rsnn_nn_sent++;

        bfa_sm_send_event(ns, NSSM_EVENT_RSNN_NN_SENT);
}

static void
bfa_fcs_lport_ns_rsnn_nn_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
                                void *cbarg, bfa_status_t req_status,
                                u32 rsp_len, u32 resid_len,
                                struct fchs_s *rsp_fchs)
{
        struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
        struct bfa_fcs_lport_s *port = ns->port;
        struct ct_hdr_s *cthdr = NULL;

        bfa_trc(port->fcs, port->port_cfg.pwwn);

        /*
         * Sanity Checks
         */
        if (req_status != BFA_STATUS_OK) {
                bfa_trc(port->fcs, req_status);
                port->stats.ns_rsnn_nn_rsp_err++;
                bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
                return;
        }

        cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
        cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);

        if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
                port->stats.ns_rsnn_nn_accepts++;
                bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
                return;
        }

        port->stats.ns_rsnn_nn_rejects++;
        bfa_trc(port->fcs, cthdr->reason_code);
        bfa_trc(port->fcs, cthdr->exp_code);
        bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
}

/*
 * Register the symbolic port name.
 */
static void
bfa_fcs_lport_ns_send_rspn_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
        struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
        struct bfa_fcs_lport_s *port = ns->port;
        struct fchs_s fchs;
        int             len;
        struct bfa_fcxp_s *fcxp;
        u8         symbl[256];
        u8         *psymbl = &symbl[0];

        memset(symbl, 0, sizeof(symbl));

        bfa_trc(port->fcs, port->port_cfg.pwwn);

        fcxp = fcxp_alloced ? fcxp_alloced :
               bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
        if (!fcxp) {
                port->stats.ns_rspnid_alloc_wait++;
                bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
                                bfa_fcs_lport_ns_send_rspn_id, ns, BFA_TRUE);
                return;
        }
        ns->fcxp = fcxp;

        /*
         * for V-Port, form a Port Symbolic Name
         */
        if (port->vport) {
                /*
                 * For Vports, we append the vport's port symbolic name
                 * to that of the base port.
                 */

                strscpy(symbl,
                        (char *)&(bfa_fcs_lport_get_psym_name
                         (bfa_fcs_get_base_port(port->fcs))),
                        sizeof(symbl));

                strlcat(symbl, (char *)&(bfa_fcs_lport_get_psym_name(port)),
                        sizeof(symbl));
        } else {
                psymbl = (u8 *) &(bfa_fcs_lport_get_psym_name(port));
        }

        len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
                              bfa_fcs_lport_get_fcid(port), 0, psymbl);

        bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
                          FC_CLASS_3, len, &fchs,
                          bfa_fcs_lport_ns_rspn_id_response, (void *)ns,
                          FC_MAX_PDUSZ, FC_FCCT_TOV);

        port->stats.ns_rspnid_sent++;

        bfa_sm_send_event(ns, NSSM_EVENT_RSPNID_SENT);
}

static void
bfa_fcs_lport_ns_rspn_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
                                 void *cbarg, bfa_status_t req_status,
                                 u32 rsp_len, u32 resid_len,
                                 struct fchs_s *rsp_fchs)
{
        struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
        struct bfa_fcs_lport_s *port = ns->port;
        struct ct_hdr_s *cthdr = NULL;

        bfa_trc(port->fcs, port->port_cfg.pwwn);

        /*
         * Sanity Checks
         */
        if (req_status != BFA_STATUS_OK) {
                bfa_trc(port->fcs, req_status);
                port->stats.ns_rspnid_rsp_err++;
                bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
                return;
        }

        cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
        cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);

        if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
                port->stats.ns_rspnid_accepts++;
                bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
                return;
        }

        port->stats.ns_rspnid_rejects++;
        bfa_trc(port->fcs, cthdr->reason_code);
        bfa_trc(port->fcs, cthdr->exp_code);
        bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
}

/*
 * Register FC4-Types
 */
static void
bfa_fcs_lport_ns_send_rft_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
        struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
        struct bfa_fcs_lport_s *port = ns->port;
        struct fchs_s fchs;
        int             len;
        struct bfa_fcxp_s *fcxp;

        bfa_trc(port->fcs, port->port_cfg.pwwn);

        fcxp = fcxp_alloced ? fcxp_alloced :
               bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
        if (!fcxp) {
                port->stats.ns_rftid_alloc_wait++;
                bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
                                bfa_fcs_lport_ns_send_rft_id, ns, BFA_TRUE);
                return;
        }
        ns->fcxp = fcxp;

        len = fc_rftid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
                     bfa_fcs_lport_get_fcid(port), 0, port->port_cfg.roles);

        bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
                          FC_CLASS_3, len, &fchs,
                          bfa_fcs_lport_ns_rft_id_response, (void *)ns,
                          FC_MAX_PDUSZ, FC_FCCT_TOV);

        port->stats.ns_rftid_sent++;
        bfa_sm_send_event(ns, NSSM_EVENT_RFTID_SENT);
}

static void
bfa_fcs_lport_ns_rft_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
                                void *cbarg, bfa_status_t req_status,
                                u32 rsp_len, u32 resid_len,
                                struct fchs_s *rsp_fchs)
{
        struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
        struct bfa_fcs_lport_s *port = ns->port;
        struct ct_hdr_s *cthdr = NULL;

        bfa_trc(port->fcs, port->port_cfg.pwwn);

        /*
         * Sanity Checks
         */
        if (req_status != BFA_STATUS_OK) {
                bfa_trc(port->fcs, req_status);
                port->stats.ns_rftid_rsp_err++;
                bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
                return;
        }

        cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
        cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);

        if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
                port->stats.ns_rftid_accepts++;
                bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
                return;
        }

        port->stats.ns_rftid_rejects++;
        bfa_trc(port->fcs, cthdr->reason_code);
        bfa_trc(port->fcs, cthdr->exp_code);
        bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
}

/*
 * Register FC4-Features : Should be done after RFT_ID
 */
static void
bfa_fcs_lport_ns_send_rff_id(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
        struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
        struct bfa_fcs_lport_s *port = ns->port;
        struct fchs_s fchs;
        int             len;
        struct bfa_fcxp_s *fcxp;
        u8                      fc4_ftrs = 0;

        bfa_trc(port->fcs, port->port_cfg.pwwn);

        fcxp = fcxp_alloced ? fcxp_alloced :
               bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
        if (!fcxp) {
                port->stats.ns_rffid_alloc_wait++;
                bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
                                bfa_fcs_lport_ns_send_rff_id, ns, BFA_TRUE);
                return;
        }
        ns->fcxp = fcxp;

        if (BFA_FCS_VPORT_IS_INITIATOR_MODE(ns->port))
                fc4_ftrs = FC_GS_FCP_FC4_FEATURE_INITIATOR;

        len = fc_rffid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
                             bfa_fcs_lport_get_fcid(port), 0,
                                 FC_TYPE_FCP, fc4_ftrs);

        bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
                          FC_CLASS_3, len, &fchs,
                          bfa_fcs_lport_ns_rff_id_response, (void *)ns,
                          FC_MAX_PDUSZ, FC_FCCT_TOV);

        port->stats.ns_rffid_sent++;
        bfa_sm_send_event(ns, NSSM_EVENT_RFFID_SENT);
}

static void
bfa_fcs_lport_ns_rff_id_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
                                void *cbarg, bfa_status_t req_status,
                                u32 rsp_len, u32 resid_len,
                                struct fchs_s *rsp_fchs)
{
        struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
        struct bfa_fcs_lport_s *port = ns->port;
        struct ct_hdr_s *cthdr = NULL;

        bfa_trc(port->fcs, port->port_cfg.pwwn);

        /*
         * Sanity Checks
         */
        if (req_status != BFA_STATUS_OK) {
                bfa_trc(port->fcs, req_status);
                port->stats.ns_rffid_rsp_err++;
                bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
                return;
        }

        cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
        cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);

        if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
                port->stats.ns_rffid_accepts++;
                bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
                return;
        }

        port->stats.ns_rffid_rejects++;
        bfa_trc(port->fcs, cthdr->reason_code);
        bfa_trc(port->fcs, cthdr->exp_code);

        if (cthdr->reason_code == CT_RSN_NOT_SUPP) {
                /* if this command is not supported, we don't retry */
                bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
        } else
                bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
}
/*
 * Query Fabric for FC4-Types Devices.
 *
* TBD : Need to use a local (FCS private) response buffer, since the response
 * can be larger than 2K.
 */
static void
bfa_fcs_lport_ns_send_gid_ft(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
        struct bfa_fcs_lport_ns_s *ns = ns_cbarg;
        struct bfa_fcs_lport_s *port = ns->port;
        struct fchs_s fchs;
        int             len;
        struct bfa_fcxp_s *fcxp;

        bfa_trc(port->fcs, port->pid);

        fcxp = fcxp_alloced ? fcxp_alloced :
               bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
        if (!fcxp) {
                port->stats.ns_gidft_alloc_wait++;
                bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
                                bfa_fcs_lport_ns_send_gid_ft, ns, BFA_TRUE);
                return;
        }
        ns->fcxp = fcxp;

        /*
         * This query is only initiated for FCP initiator mode.
         */
        len = fc_gid_ft_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
                              ns->port->pid, FC_TYPE_FCP);

        bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
                          FC_CLASS_3, len, &fchs,
                          bfa_fcs_lport_ns_gid_ft_response, (void *)ns,
                          bfa_fcxp_get_maxrsp(port->fcs->bfa), FC_FCCT_TOV);

        port->stats.ns_gidft_sent++;

        bfa_sm_send_event(ns, NSSM_EVENT_GIDFT_SENT);
}

static void
bfa_fcs_lport_ns_gid_ft_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
                                void *cbarg, bfa_status_t req_status,
                                u32 rsp_len, u32 resid_len,
                                struct fchs_s *rsp_fchs)
{
        struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) cbarg;
        struct bfa_fcs_lport_s *port = ns->port;
        struct ct_hdr_s *cthdr = NULL;
        u32        n_pids;

        bfa_trc(port->fcs, port->port_cfg.pwwn);

        /*
         * Sanity Checks
         */
        if (req_status != BFA_STATUS_OK) {
                bfa_trc(port->fcs, req_status);
                port->stats.ns_gidft_rsp_err++;
                bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
                return;
        }

        if (resid_len != 0) {
                /*
                 * TBD : we will need to allocate a larger buffer & retry the
                 * command
                 */
                bfa_trc(port->fcs, rsp_len);
                bfa_trc(port->fcs, resid_len);
                return;
        }

        cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
        cthdr->cmd_rsp_code = be16_to_cpu(cthdr->cmd_rsp_code);

        switch (cthdr->cmd_rsp_code) {

        case CT_RSP_ACCEPT:

                port->stats.ns_gidft_accepts++;
                n_pids = (fc_get_ctresp_pyld_len(rsp_len) / sizeof(u32));
                bfa_trc(port->fcs, n_pids);
                bfa_fcs_lport_ns_process_gidft_pids(port,
                                                   (u32 *) (cthdr + 1),
                                                   n_pids);
                bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
                break;

        case CT_RSP_REJECT:

                /*
                 * Check the reason code  & explanation.
                 * There may not have been any FC4 devices in the fabric
                 */
                port->stats.ns_gidft_rejects++;
                bfa_trc(port->fcs, cthdr->reason_code);
                bfa_trc(port->fcs, cthdr->exp_code);

                if ((cthdr->reason_code == CT_RSN_UNABLE_TO_PERF)
                    && (cthdr->exp_code == CT_NS_EXP_FT_NOT_REG)) {

                        bfa_sm_send_event(ns, NSSM_EVENT_RSP_OK);
                } else {
                        /*
                         * for all other errors, retry
                         */
                        bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
                }
                break;

        default:
                port->stats.ns_gidft_unknown_rsp++;
                bfa_trc(port->fcs, cthdr->cmd_rsp_code);
                bfa_sm_send_event(ns, NSSM_EVENT_RSP_ERROR);
        }
}

/*
 *     This routine will be called by bfa_timer on timer timeouts.
 *
 *      param[in]       port - pointer to bfa_fcs_lport_t.
 *
 *      return
 *              void
 *
 *      Special Considerations:
 *
 *      note
 */
static void
bfa_fcs_lport_ns_timeout(void *arg)
{
        struct bfa_fcs_lport_ns_s *ns = (struct bfa_fcs_lport_ns_s *) arg;

        ns->port->stats.ns_timeouts++;
        bfa_sm_send_event(ns, NSSM_EVENT_TIMEOUT);
}

/*
 * Process the PID list in GID_FT response
 */
static void
bfa_fcs_lport_ns_process_gidft_pids(struct bfa_fcs_lport_s *port, u32 *pid_buf,
                                   u32 n_pids)
{
        struct fcgs_gidft_resp_s *gidft_entry;
        struct bfa_fcs_rport_s *rport;
        u32        ii;
        struct bfa_fcs_fabric_s *fabric = port->fabric;
        struct bfa_fcs_vport_s *vport;
        struct list_head *qe;
        u8 found = 0;

        for (ii = 0; ii < n_pids; ii++) {
                gidft_entry = (struct fcgs_gidft_resp_s *) &pid_buf[ii];

                if (gidft_entry->pid == port->pid)
                        continue;

                /*
                 * Ignore PID if it is of base port
                 * (Avoid vports discovering base port as remote port)
                 */
                if (gidft_entry->pid == fabric->bport.pid)
                        continue;

                /*
                 * Ignore PID if it is of vport created on the same base port
                 * (Avoid vport discovering every other vport created on the
                 * same port as remote port)
                 */
                list_for_each(qe, &fabric->vport_q) {
                        vport = (struct bfa_fcs_vport_s *) qe;
                        if (vport->lport.pid == gidft_entry->pid)
                                found = 1;
                }

                if (found) {
                        found = 0;
                        continue;
                }

                /*
                 * Check if this rport already exists
                 */
                rport = bfa_fcs_lport_get_rport_by_pid(port, gidft_entry->pid);
                if (rport == NULL) {
                        /*
                         * this is a new device. create rport
                         */
                        rport = bfa_fcs_rport_create(port, gidft_entry->pid);
                } else {
                        /*
                         * this rport already exists
                         */
                        bfa_fcs_rport_scn(rport);
                }

                bfa_trc(port->fcs, gidft_entry->pid);

                /*
                 * if the last entry bit is set, bail out.
                 */
                if (gidft_entry->last)
                        return;
        }
}

/*
 *  fcs_ns_public FCS nameserver public interfaces
 */

/*
 * Functions called by port/fab.
 * These will send relevant Events to the ns state machine.
 */
void
bfa_fcs_lport_ns_init(struct bfa_fcs_lport_s *port)
{
        struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);

        ns->port = port;
        bfa_sm_set_state(ns, bfa_fcs_lport_ns_sm_offline);
}

void
bfa_fcs_lport_ns_offline(struct bfa_fcs_lport_s *port)
{
        struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);

        ns->port = port;
        bfa_sm_send_event(ns, NSSM_EVENT_PORT_OFFLINE);
}

void
bfa_fcs_lport_ns_online(struct bfa_fcs_lport_s *port)
{
        struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);

        ns->port = port;
        bfa_sm_send_event(ns, NSSM_EVENT_PORT_ONLINE);
}

void
bfa_fcs_lport_ns_query(struct bfa_fcs_lport_s *port)
{
        struct bfa_fcs_lport_ns_s *ns = BFA_FCS_GET_NS_FROM_PORT(port);

        bfa_trc(port->fcs, port->pid);
        if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_online))
                bfa_sm_send_event(ns, NSSM_EVENT_NS_QUERY);
}

static void
bfa_fcs_lport_ns_boot_target_disc(bfa_fcs_lport_t *port)
{

        struct bfa_fcs_rport_s *rport;
        u8 nwwns;
        wwn_t  wwns[BFA_PREBOOT_BOOTLUN_MAX];
        int ii;

        bfa_iocfc_get_bootwwns(port->fcs->bfa, &nwwns, wwns);

        for (ii = 0 ; ii < nwwns; ++ii) {
                rport = bfa_fcs_rport_create_by_wwn(port, wwns[ii]);
                WARN_ON(!rport);
        }
}

void
bfa_fcs_lport_ns_util_send_rspn_id(void *cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
        struct bfa_fcs_lport_ns_s *ns = cbarg;
        struct bfa_fcs_lport_s *port = ns->port;
        struct fchs_s fchs;
        struct bfa_fcxp_s *fcxp;
        u8 symbl[256];
        int len;

        /* Avoid sending RSPN in the following states. */
        if (bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_offline) ||
            bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_sending) ||
            bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi) ||
            bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_plogi_retry) ||
            bfa_sm_cmp_state(ns, bfa_fcs_lport_ns_sm_rspn_id_retry))
                return;

        memset(symbl, 0, sizeof(symbl));
        bfa_trc(port->fcs, port->port_cfg.pwwn);

        fcxp = fcxp_alloced ? fcxp_alloced :
               bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
        if (!fcxp) {
                port->stats.ns_rspnid_alloc_wait++;
                bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &ns->fcxp_wqe,
                        bfa_fcs_lport_ns_util_send_rspn_id, ns, BFA_FALSE);
                return;
        }

        ns->fcxp = fcxp;

        if (port->vport) {
                /*
                 * For Vports, we append the vport's port symbolic name
                 * to that of the base port.
                 */
                strscpy(symbl, (char *)&(bfa_fcs_lport_get_psym_name
                        (bfa_fcs_get_base_port(port->fcs))),
                        sizeof(symbl));

                strlcat(symbl,
                        (char *)&(bfa_fcs_lport_get_psym_name(port)),
                        sizeof(symbl));
        }

        len = fc_rspnid_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
                              bfa_fcs_lport_get_fcid(port), 0, symbl);

        bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
                      FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0);

        port->stats.ns_rspnid_sent++;
}

/*
 * FCS SCN
 */

#define FC_QOS_RSCN_EVENT               0x0c
#define FC_FABRIC_NAME_RSCN_EVENT       0x0d

/*
 * forward declarations
 */
static void     bfa_fcs_lport_scn_send_scr(void *scn_cbarg,
                                          struct bfa_fcxp_s *fcxp_alloced);
static void     bfa_fcs_lport_scn_scr_response(void *fcsarg,
                                              struct bfa_fcxp_s *fcxp,
                                              void *cbarg,
                                              bfa_status_t req_status,
                                              u32 rsp_len,
                                              u32 resid_len,
                                              struct fchs_s *rsp_fchs);
static void     bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
                                             struct fchs_s *rx_fchs);
static void     bfa_fcs_lport_scn_timeout(void *arg);

/*
 *  fcs_scm_sm FCS SCN state machine
 */

static void     bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
                                            enum port_scn_event event);
static void     bfa_fcs_lport_scn_sm_sending_scr(
                                        struct bfa_fcs_lport_scn_s *scn,
                                        enum port_scn_event event);
static void     bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
                                        enum port_scn_event event);
static void     bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
                                              enum port_scn_event event);
static void     bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
                                           enum port_scn_event event);

/*
 *      Starting state - awaiting link up.
 */
static void
bfa_fcs_lport_scn_sm_offline(struct bfa_fcs_lport_scn_s *scn,
                        enum port_scn_event event)
{
        switch (event) {
        case SCNSM_EVENT_PORT_ONLINE:
                bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
                bfa_fcs_lport_scn_send_scr(scn, NULL);
                break;

        case SCNSM_EVENT_PORT_OFFLINE:
                break;

        default:
                bfa_sm_fault(scn->port->fcs, event);
        }
}

static void
bfa_fcs_lport_scn_sm_sending_scr(struct bfa_fcs_lport_scn_s *scn,
                                enum port_scn_event event)
{
        switch (event) {
        case SCNSM_EVENT_SCR_SENT:
                bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr);
                break;

        case SCNSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
                bfa_fcxp_walloc_cancel(scn->port->fcs->bfa, &scn->fcxp_wqe);
                break;

        default:
                bfa_sm_fault(scn->port->fcs, event);
        }
}

static void
bfa_fcs_lport_scn_sm_scr(struct bfa_fcs_lport_scn_s *scn,
                        enum port_scn_event event)
{
        struct bfa_fcs_lport_s *port = scn->port;

        switch (event) {
        case SCNSM_EVENT_RSP_OK:
                bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_online);
                break;

        case SCNSM_EVENT_RSP_ERROR:
                bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_scr_retry);
                bfa_timer_start(port->fcs->bfa, &scn->timer,
                                    bfa_fcs_lport_scn_timeout, scn,
                                    BFA_FCS_RETRY_TIMEOUT);
                break;

        case SCNSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
                bfa_fcxp_discard(scn->fcxp);
                break;

        default:
                bfa_sm_fault(port->fcs, event);
        }
}

static void
bfa_fcs_lport_scn_sm_scr_retry(struct bfa_fcs_lport_scn_s *scn,
                                enum port_scn_event event)
{
        switch (event) {
        case SCNSM_EVENT_TIMEOUT:
                bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_sending_scr);
                bfa_fcs_lport_scn_send_scr(scn, NULL);
                break;

        case SCNSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
                bfa_timer_stop(&scn->timer);
                break;

        default:
                bfa_sm_fault(scn->port->fcs, event);
        }
}

static void
bfa_fcs_lport_scn_sm_online(struct bfa_fcs_lport_scn_s *scn,
                        enum port_scn_event event)
{
        switch (event) {
        case SCNSM_EVENT_PORT_OFFLINE:
                bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
                break;

        default:
                bfa_sm_fault(scn->port->fcs, event);
        }
}



/*
 *  fcs_scn_private FCS SCN private functions
 */

/*
 * This routine will be called to send a SCR command.
 */
static void
bfa_fcs_lport_scn_send_scr(void *scn_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
        struct bfa_fcs_lport_scn_s *scn = scn_cbarg;
        struct bfa_fcs_lport_s *port = scn->port;
        struct fchs_s fchs;
        int             len;
        struct bfa_fcxp_s *fcxp;

        bfa_trc(port->fcs, port->pid);
        bfa_trc(port->fcs, port->port_cfg.pwwn);

        fcxp = fcxp_alloced ? fcxp_alloced :
               bfa_fcs_fcxp_alloc(port->fcs, BFA_TRUE);
        if (!fcxp) {
                bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &scn->fcxp_wqe,
                                bfa_fcs_lport_scn_send_scr, scn, BFA_TRUE);
                return;
        }
        scn->fcxp = fcxp;

        /* Handle VU registrations for Base port only */
        if ((!port->vport) && bfa_ioc_get_fcmode(&port->fcs->bfa->ioc)) {
                len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
                                port->fabric->lps->brcd_switch,
                                port->pid, 0);
        } else {
            len = fc_scr_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
                                    BFA_FALSE,
                                    port->pid, 0);
        }

        bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
                          FC_CLASS_3, len, &fchs,
                          bfa_fcs_lport_scn_scr_response,
                          (void *)scn, FC_MAX_PDUSZ, FC_ELS_TOV);

        bfa_sm_send_event(scn, SCNSM_EVENT_SCR_SENT);
}

static void
bfa_fcs_lport_scn_scr_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
                        void *cbarg, bfa_status_t req_status, u32 rsp_len,
                              u32 resid_len, struct fchs_s *rsp_fchs)
{
        struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) cbarg;
        struct bfa_fcs_lport_s *port = scn->port;
        struct fc_els_cmd_s *els_cmd;
        struct fc_ls_rjt_s *ls_rjt;

        bfa_trc(port->fcs, port->port_cfg.pwwn);

        /*
         * Sanity Checks
         */
        if (req_status != BFA_STATUS_OK) {
                bfa_trc(port->fcs, req_status);
                bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
                return;
        }

        els_cmd = (struct fc_els_cmd_s *) BFA_FCXP_RSP_PLD(fcxp);

        switch (els_cmd->els_code) {

        case FC_ELS_ACC:
                bfa_sm_send_event(scn, SCNSM_EVENT_RSP_OK);
                break;

        case FC_ELS_LS_RJT:

                ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);

                bfa_trc(port->fcs, ls_rjt->reason_code);
                bfa_trc(port->fcs, ls_rjt->reason_code_expl);

                bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
                break;

        default:
                bfa_sm_send_event(scn, SCNSM_EVENT_RSP_ERROR);
        }
}

/*
 * Send a LS Accept
 */
static void
bfa_fcs_lport_scn_send_ls_acc(struct bfa_fcs_lport_s *port,
                                struct fchs_s *rx_fchs)
{
        struct fchs_s fchs;
        struct bfa_fcxp_s *fcxp;
        struct bfa_rport_s *bfa_rport = NULL;
        int             len;

        bfa_trc(port->fcs, rx_fchs->s_id);

        fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
        if (!fcxp)
                return;

        len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
                              rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
                              rx_fchs->ox_id);

        bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
                          BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
                          FC_MAX_PDUSZ, 0);
}

/*
 *     This routine will be called by bfa_timer on timer timeouts.
 *
 *      param[in]       vport           - pointer to bfa_fcs_lport_t.
 *      param[out]      vport_status    - pointer to return vport status in
 *
 *      return
 *              void
 *
 *      Special Considerations:
 *
 *      note
 */
static void
bfa_fcs_lport_scn_timeout(void *arg)
{
        struct bfa_fcs_lport_scn_s *scn = (struct bfa_fcs_lport_scn_s *) arg;

        bfa_sm_send_event(scn, SCNSM_EVENT_TIMEOUT);
}



/*
 *  fcs_scn_public FCS state change notification public interfaces
 */

/*
 * Functions called by port/fab
 */
void
bfa_fcs_lport_scn_init(struct bfa_fcs_lport_s *port)
{
        struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);

        scn->port = port;
        bfa_sm_set_state(scn, bfa_fcs_lport_scn_sm_offline);
}

void
bfa_fcs_lport_scn_offline(struct bfa_fcs_lport_s *port)
{
        struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);

        scn->port = port;
        bfa_sm_send_event(scn, SCNSM_EVENT_PORT_OFFLINE);
}

void
bfa_fcs_lport_fab_scn_online(struct bfa_fcs_lport_s *port)
{
        struct bfa_fcs_lport_scn_s *scn = BFA_FCS_GET_SCN_FROM_PORT(port);

        scn->port = port;
        bfa_sm_send_event(scn, SCNSM_EVENT_PORT_ONLINE);
}

static void
bfa_fcs_lport_scn_portid_rscn(struct bfa_fcs_lport_s *port, u32 rpid)
{
        struct bfa_fcs_rport_s *rport;
        struct bfa_fcs_fabric_s *fabric = port->fabric;
        struct bfa_fcs_vport_s *vport;
        struct list_head *qe;

        bfa_trc(port->fcs, rpid);

        /*
         * Ignore PID if it is of base port or of vports created on the
         * same base port. It is to avoid vports discovering base port or
         * other vports created on same base port as remote port
         */
        if (rpid == fabric->bport.pid)
                return;

        list_for_each(qe, &fabric->vport_q) {
                vport = (struct bfa_fcs_vport_s *) qe;
                if (vport->lport.pid == rpid)
                        return;
        }
        /*
         * If this is an unknown device, then it just came online.
         * Otherwise let rport handle the RSCN event.
         */
        rport = bfa_fcs_lport_get_rport_by_pid(port, rpid);
        if (!rport)
                rport = bfa_fcs_lport_get_rport_by_old_pid(port, rpid);

        if (rport == NULL) {
                /*
                 * If min cfg mode is enabled, we donot need to
                 * discover any new rports.
                 */
                if (!__fcs_min_cfg(port->fcs))
                        rport = bfa_fcs_rport_create(port, rpid);
        } else
                bfa_fcs_rport_scn(rport);
}

/*
 * rscn format based PID comparison
 */
#define __fc_pid_match(__c0, __c1, __fmt)               \
        (((__fmt) == FC_RSCN_FORMAT_FABRIC) ||          \
         (((__fmt) == FC_RSCN_FORMAT_DOMAIN) &&         \
          ((__c0)[0] == (__c1)[0])) ||                          \
         (((__fmt) == FC_RSCN_FORMAT_AREA) &&           \
          ((__c0)[0] == (__c1)[0]) &&                           \
          ((__c0)[1] == (__c1)[1])))

static void
bfa_fcs_lport_scn_multiport_rscn(struct bfa_fcs_lport_s *port,
                                enum fc_rscn_format format,
                                u32 rscn_pid)
{
        struct bfa_fcs_rport_s *rport;
        struct list_head        *qe, *qe_next;
        u8        *c0, *c1;

        bfa_trc(port->fcs, format);
        bfa_trc(port->fcs, rscn_pid);

        c0 = (u8 *) &rscn_pid;

        list_for_each_safe(qe, qe_next, &port->rport_q) {
                rport = (struct bfa_fcs_rport_s *) qe;
                c1 = (u8 *) &rport->pid;
                if (__fc_pid_match(c0, c1, format))
                        bfa_fcs_rport_scn(rport);
        }
}


void
bfa_fcs_lport_scn_process_rscn(struct bfa_fcs_lport_s *port,
                        struct fchs_s *fchs, u32 len)
{
        struct fc_rscn_pl_s *rscn = (struct fc_rscn_pl_s *) (fchs + 1);
        int             num_entries;
        u32        rscn_pid;
        bfa_boolean_t   nsquery = BFA_FALSE, found;
        int             i = 0, j;

        num_entries =
                (be16_to_cpu(rscn->payldlen) -
                 sizeof(u32)) / sizeof(rscn->event[0]);

        bfa_trc(port->fcs, num_entries);

        port->stats.num_rscn++;

        bfa_fcs_lport_scn_send_ls_acc(port, fchs);

        for (i = 0; i < num_entries; i++) {
                rscn_pid = rscn->event[i].portid;

                bfa_trc(port->fcs, rscn->event[i].format);
                bfa_trc(port->fcs, rscn_pid);

                /* check for duplicate entries in the list */
                found = BFA_FALSE;
                for (j = 0; j < i; j++) {
                        if (rscn->event[j].portid == rscn_pid) {
                                found = BFA_TRUE;
                                break;
                        }
                }

                /* if found in down the list, pid has been already processed */
                if (found) {
                        bfa_trc(port->fcs, rscn_pid);
                        continue;
                }

                switch (rscn->event[i].format) {
                case FC_RSCN_FORMAT_PORTID:
                        if (rscn->event[i].qualifier == FC_QOS_RSCN_EVENT) {
                                /*
                                 * Ignore this event.
                                 * f/w would have processed it
                                 */
                                bfa_trc(port->fcs, rscn_pid);
                        } else {
                                port->stats.num_portid_rscn++;
                                bfa_fcs_lport_scn_portid_rscn(port, rscn_pid);
                        }
                break;

                case FC_RSCN_FORMAT_FABRIC:
                        if (rscn->event[i].qualifier ==
                                        FC_FABRIC_NAME_RSCN_EVENT) {
                                bfa_fcs_lport_ms_fabric_rscn(port);
                                break;
                        }
                        fallthrough;

                case FC_RSCN_FORMAT_AREA:
                case FC_RSCN_FORMAT_DOMAIN:
                        nsquery = BFA_TRUE;
                        bfa_fcs_lport_scn_multiport_rscn(port,
                                                        rscn->event[i].format,
                                                        rscn_pid);
                        break;


                default:
                        WARN_ON(1);
                        nsquery = BFA_TRUE;
                }
        }

        /*
         * If any of area, domain or fabric RSCN is received, do a fresh
         * discovery to find new devices.
         */
        if (nsquery)
                bfa_fcs_lport_ns_query(port);
}

/*
 * BFA FCS port
 */
/*
 *  fcs_port_api BFA FCS port API
 */
struct bfa_fcs_lport_s *
bfa_fcs_get_base_port(struct bfa_fcs_s *fcs)
{
        return &fcs->fabric.bport;
}

void
bfa_fcs_lport_get_rport_quals(struct bfa_fcs_lport_s *port,
                struct bfa_rport_qualifier_s rports[], int *nrports)
{
        struct list_head        *qh, *qe;
        struct bfa_fcs_rport_s *rport = NULL;
        int     i;
        struct bfa_fcs_s        *fcs;

        if (port == NULL || rports == 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_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 (!rport->pwwn && !rport->pid) {
                        qe = bfa_q_next(qe);
                        continue;
                }

                rports[i].pwwn = rport->pwwn;
                rports[i].pid = rport->pid;

                i++;
                qe = bfa_q_next(qe);
        }

        bfa_trc(fcs, i);
        *nrports = i;
}

/*
 * Iterate's through all the rport's in the given port to
 * determine the maximum operating speed.
 *
 * !!!! To be used in TRL Functionality only !!!!
 */
bfa_port_speed_t
bfa_fcs_lport_get_rport_max_speed(bfa_fcs_lport_t *port)
{
        struct list_head *qh, *qe;
        struct bfa_fcs_rport_s *rport = NULL;
        struct bfa_fcs_s        *fcs;
        bfa_port_speed_t max_speed = 0;
        struct bfa_port_attr_s port_attr;
        bfa_port_speed_t port_speed, rport_speed;
        bfa_boolean_t trl_enabled;

        if (port == NULL)
                return 0;

        fcs = port->fcs;
        trl_enabled = bfa_fcport_is_ratelim(port->fcs->bfa);

        /* Get Physical port's current speed */
        bfa_fcport_get_attr(port->fcs->bfa, &port_attr);
        port_speed = port_attr.speed;
        bfa_trc(fcs, port_speed);

        qh = &port->rport_q;
        qe = bfa_q_first(qh);

        while (qe != qh) {
                rport = (struct bfa_fcs_rport_s *) qe;
                if ((bfa_ntoh3b(rport->pid) > 0xFFF000) ||
                        (bfa_fcs_rport_get_state(rport) == BFA_RPORT_OFFLINE) ||
                        (rport->scsi_function != BFA_RPORT_TARGET)) {
                        qe = bfa_q_next(qe);
                        continue;
                }

                rport_speed = rport->rpf.rpsc_speed;
                if ((trl_enabled) && (rport_speed ==
                        BFA_PORT_SPEED_UNKNOWN)) {
                        /* Use default ratelim speed setting */
                        rport_speed =
                                bfa_fcport_get_ratelim_speed(port->fcs->bfa);
                }

                if (rport_speed > max_speed)
                        max_speed = rport_speed;

                qe = bfa_q_next(qe);
        }

        if (max_speed > port_speed)
                max_speed = port_speed;

        bfa_trc(fcs, max_speed);
        return max_speed;
}

struct bfa_fcs_lport_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;

        WARN_ON(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;
}

void
bfa_fcs_lport_get_stats(struct bfa_fcs_lport_s *fcs_port,
         struct bfa_lport_stats_s *port_stats)
{
        *port_stats = fcs_port->stats;
}

void
bfa_fcs_lport_clear_stats(struct bfa_fcs_lport_s *fcs_port)
{
        memset(&fcs_port->stats, 0, sizeof(struct bfa_lport_stats_s));
}

/*
 * Let new loop map create missing rports
 */
void
bfa_fcs_lport_lip_scn_online(struct bfa_fcs_lport_s *port)
{
        bfa_fcs_lport_loop_online(port);
}

/*
 * FCS virtual port state machine
 */

#define __vport_fcs(__vp)       ((__vp)->lport.fcs)
#define __vport_pwwn(__vp)      ((__vp)->lport.port_cfg.pwwn)
#define __vport_nwwn(__vp)      ((__vp)->lport.port_cfg.nwwn)
#define __vport_bfa(__vp)       ((__vp)->lport.fcs->bfa)
#define __vport_fcid(__vp)      ((__vp)->lport.pid)
#define __vport_fabric(__vp)    ((__vp)->lport.fabric)
#define __vport_vfid(__vp)      ((__vp)->lport.fabric->vf_id)

#define BFA_FCS_VPORT_MAX_RETRIES  5
/*
 * Forward declarations
 */
static void     bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport);
static void     bfa_fcs_vport_timeout(void *vport_arg);
static void     bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport);
static void     bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport);

/*
 *  fcs_vport_sm FCS virtual port state machine
 */

static void     bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
                                        enum bfa_fcs_vport_event event);
static void     bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
                                         enum bfa_fcs_vport_event event);
static void     bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
                                         enum bfa_fcs_vport_event event);
static void     bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
                                       enum bfa_fcs_vport_event event);
static void     bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
                                             enum bfa_fcs_vport_event event);
static void     bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
                                        enum bfa_fcs_vport_event event);
static void     bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
                                        enum bfa_fcs_vport_event event);
static void     bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
                                          enum bfa_fcs_vport_event event);
static void     bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
                                         enum bfa_fcs_vport_event event);
static void     bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
                                      enum bfa_fcs_vport_event event);
static void     bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
                                      enum bfa_fcs_vport_event event);
static void     bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport,
                                        enum bfa_fcs_vport_event event);
static void     bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport,
                                        enum bfa_fcs_vport_event event);

struct bfa_fcs_vport_sm_table_s {
        bfa_fcs_vport_sm_t sm;          /*  state machine function      */
        enum bfa_vport_state state;     /*  state machine encoding      */
        char            *name;          /*  state name for display      */
};

static inline enum bfa_vport_state
bfa_vport_sm_to_state(struct bfa_fcs_vport_sm_table_s *smt, bfa_fcs_vport_sm_t sm)
{
        int i = 0;

        while (smt[i].sm && smt[i].sm != sm)
                i++;
        return smt[i].state;
}

static struct bfa_fcs_vport_sm_table_s  vport_sm_table[] = {
        {BFA_SM(bfa_fcs_vport_sm_uninit), BFA_FCS_VPORT_UNINIT},
        {BFA_SM(bfa_fcs_vport_sm_created), BFA_FCS_VPORT_CREATED},
        {BFA_SM(bfa_fcs_vport_sm_offline), BFA_FCS_VPORT_OFFLINE},
        {BFA_SM(bfa_fcs_vport_sm_fdisc), BFA_FCS_VPORT_FDISC},
        {BFA_SM(bfa_fcs_vport_sm_fdisc_retry), BFA_FCS_VPORT_FDISC_RETRY},
        {BFA_SM(bfa_fcs_vport_sm_fdisc_rsp_wait), BFA_FCS_VPORT_FDISC_RSP_WAIT},
        {BFA_SM(bfa_fcs_vport_sm_online), BFA_FCS_VPORT_ONLINE},
        {BFA_SM(bfa_fcs_vport_sm_deleting), BFA_FCS_VPORT_DELETING},
        {BFA_SM(bfa_fcs_vport_sm_cleanup), BFA_FCS_VPORT_CLEANUP},
        {BFA_SM(bfa_fcs_vport_sm_logo), BFA_FCS_VPORT_LOGO},
        {BFA_SM(bfa_fcs_vport_sm_error), BFA_FCS_VPORT_ERROR}
};

/*
 * Beginning state.
 */
static void
bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
                        enum bfa_fcs_vport_event event)
{
        bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
        bfa_trc(__vport_fcs(vport), event);

        switch (event) {
        case BFA_FCS_VPORT_SM_CREATE:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
                bfa_fcs_fabric_addvport(__vport_fabric(vport), vport);
                break;

        default:
                bfa_sm_fault(__vport_fcs(vport), event);
        }
}

/*
 * Created state - a start event is required to start up the state machine.
 */
static void
bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
                        enum bfa_fcs_vport_event event)
{
        bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
        bfa_trc(__vport_fcs(vport), event);

        switch (event) {
        case BFA_FCS_VPORT_SM_START:
                if (bfa_sm_cmp_state(__vport_fabric(vport),
                                        bfa_fcs_fabric_sm_online)
                    && bfa_fcs_fabric_npiv_capable(__vport_fabric(vport))) {
                        bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
                        bfa_fcs_vport_do_fdisc(vport);
                } else {
                        /*
                         * Fabric is offline or not NPIV capable, stay in
                         * offline state.
                         */
                        vport->vport_stats.fab_no_npiv++;
                        bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
                }
                break;

        case BFA_FCS_VPORT_SM_DELETE:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
                bfa_fcs_lport_delete(&vport->lport);
                break;

        case BFA_FCS_VPORT_SM_ONLINE:
        case BFA_FCS_VPORT_SM_OFFLINE:
                /*
                 * Ignore ONLINE/OFFLINE events from fabric
                 * till vport is started.
                 */
                break;

        default:
                bfa_sm_fault(__vport_fcs(vport), event);
        }
}

/*
 * Offline state - awaiting ONLINE event from fabric SM.
 */
static void
bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
                        enum bfa_fcs_vport_event event)
{
        bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
        bfa_trc(__vport_fcs(vport), event);

        switch (event) {
        case BFA_FCS_VPORT_SM_DELETE:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
                bfa_fcs_lport_delete(&vport->lport);
                break;

        case BFA_FCS_VPORT_SM_ONLINE:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
                vport->fdisc_retries = 0;
                bfa_fcs_vport_do_fdisc(vport);
                break;

        case BFA_FCS_VPORT_SM_STOP:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
                bfa_sm_send_event(&vport->lport, BFA_FCS_PORT_SM_STOP);
                break;

        case BFA_FCS_VPORT_SM_OFFLINE:
                /*
                 * This can happen if the vport couldn't be initialzied
                 * due the fact that the npiv was not enabled on the switch.
                 * In that case we will put the vport in offline state.
                 * However, the link can go down and cause the this event to
                 * be sent when we are already offline. Ignore it.
                 */
                break;

        default:
                bfa_sm_fault(__vport_fcs(vport), event);
        }
}


/*
 * FDISC is sent and awaiting reply from fabric.
 */
static void
bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
                        enum bfa_fcs_vport_event event)
{
        bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
        bfa_trc(__vport_fcs(vport), event);

        switch (event) {
        case BFA_FCS_VPORT_SM_DELETE:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_rsp_wait);
                break;

        case BFA_FCS_VPORT_SM_OFFLINE:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
                bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
                break;

        case BFA_FCS_VPORT_SM_RSP_OK:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_online);
                bfa_fcs_lport_online(&vport->lport);
                break;

        case BFA_FCS_VPORT_SM_RSP_ERROR:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc_retry);
                bfa_timer_start(__vport_bfa(vport), &vport->timer,
                                    bfa_fcs_vport_timeout, vport,
                                    BFA_FCS_RETRY_TIMEOUT);
                break;

        case BFA_FCS_VPORT_SM_RSP_FAILED:
        case BFA_FCS_VPORT_SM_FABRIC_MAX:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
                break;

        case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_error);
                break;

        default:
                bfa_sm_fault(__vport_fcs(vport), event);
        }
}

/*
 * FDISC attempt failed - a timer is active to retry FDISC.
 */
static void
bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
                             enum bfa_fcs_vport_event event)
{
        bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
        bfa_trc(__vport_fcs(vport), event);

        switch (event) {
        case BFA_FCS_VPORT_SM_DELETE:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
                bfa_timer_stop(&vport->timer);
                bfa_fcs_lport_delete(&vport->lport);
                break;

        case BFA_FCS_VPORT_SM_OFFLINE:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
                bfa_timer_stop(&vport->timer);
                break;

        case BFA_FCS_VPORT_SM_TIMEOUT:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_fdisc);
                vport->vport_stats.fdisc_retries++;
                vport->fdisc_retries++;
                bfa_fcs_vport_do_fdisc(vport);
                break;

        default:
                bfa_sm_fault(__vport_fcs(vport), event);
        }
}

/*
 * FDISC is in progress and we got a vport delete request -
 * this is a wait state while we wait for fdisc response and
 * we will transition to the appropriate state - on rsp status.
 */
static void
bfa_fcs_vport_sm_fdisc_rsp_wait(struct bfa_fcs_vport_s *vport,
                                enum bfa_fcs_vport_event event)
{
        bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
        bfa_trc(__vport_fcs(vport), event);

        switch (event) {
        case BFA_FCS_VPORT_SM_RSP_OK:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
                bfa_fcs_lport_delete(&vport->lport);
                break;

        case BFA_FCS_VPORT_SM_DELETE:
                break;

        case BFA_FCS_VPORT_SM_OFFLINE:
        case BFA_FCS_VPORT_SM_RSP_ERROR:
        case BFA_FCS_VPORT_SM_RSP_FAILED:
        case BFA_FCS_VPORT_SM_FABRIC_MAX:
        case BFA_FCS_VPORT_SM_RSP_DUP_WWN:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
                bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
                bfa_fcs_lport_delete(&vport->lport);
                break;

        default:
                bfa_sm_fault(__vport_fcs(vport), event);
        }
}

/*
 * Vport is online (FDISC is complete).
 */
static void
bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
                        enum bfa_fcs_vport_event event)
{
        bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
        bfa_trc(__vport_fcs(vport), event);

        switch (event) {
        case BFA_FCS_VPORT_SM_DELETE:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_deleting);
                bfa_fcs_lport_delete(&vport->lport);
                break;

        case BFA_FCS_VPORT_SM_STOP:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_stopping);
                bfa_sm_send_event(&vport->lport, BFA_FCS_PORT_SM_STOP);
                break;

        case BFA_FCS_VPORT_SM_OFFLINE:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_offline);
                bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
                bfa_fcs_lport_offline(&vport->lport);
                break;

        default:
                bfa_sm_fault(__vport_fcs(vport), event);
        }
}

/*
 * Vport is being stopped - awaiting lport stop completion to send
 * LOGO to fabric.
 */
static void
bfa_fcs_vport_sm_stopping(struct bfa_fcs_vport_s *vport,
                          enum bfa_fcs_vport_event event)
{
        bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
        bfa_trc(__vport_fcs(vport), event);

        switch (event) {
        case BFA_FCS_VPORT_SM_STOPCOMP:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo_for_stop);
                bfa_fcs_vport_do_logo(vport);
                break;

        case BFA_FCS_VPORT_SM_OFFLINE:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
                break;

        default:
                bfa_sm_fault(__vport_fcs(vport), event);
        }
}

/*
 * Vport is being deleted - awaiting lport delete completion to send
 * LOGO to fabric.
 */
static void
bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
                        enum bfa_fcs_vport_event event)
{
        bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
        bfa_trc(__vport_fcs(vport), event);

        switch (event) {
        case BFA_FCS_VPORT_SM_DELETE:
                break;

        case BFA_FCS_VPORT_SM_DELCOMP:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_logo);
                bfa_fcs_vport_do_logo(vport);
                break;

        case BFA_FCS_VPORT_SM_OFFLINE:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
                break;

        default:
                bfa_sm_fault(__vport_fcs(vport), event);
        }
}

/*
 * Error State.
 * This state will be set when the Vport Creation fails due
 * to errors like Dup WWN. In this state only operation allowed
 * is a Vport Delete.
 */
static void
bfa_fcs_vport_sm_error(struct bfa_fcs_vport_s *vport,
                        enum bfa_fcs_vport_event event)
{
        bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
        bfa_trc(__vport_fcs(vport), event);

        switch (event) {
        case BFA_FCS_VPORT_SM_DELETE:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_cleanup);
                bfa_fcs_lport_delete(&vport->lport);
                break;

        default:
                bfa_trc(__vport_fcs(vport), event);
        }
}

/*
 * Lport cleanup is in progress since vport is being deleted. Fabric is
 * offline, so no LOGO is needed to complete vport deletion.
 */
static void
bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
                        enum bfa_fcs_vport_event event)
{
        bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
        bfa_trc(__vport_fcs(vport), event);

        switch (event) {
        case BFA_FCS_VPORT_SM_DELCOMP:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
                bfa_fcs_vport_free(vport);
                break;

        case BFA_FCS_VPORT_SM_STOPCOMP:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
                break;

        case BFA_FCS_VPORT_SM_DELETE:
                break;

        default:
                bfa_sm_fault(__vport_fcs(vport), event);
        }
}

/*
 * LOGO is sent to fabric. Vport stop is in progress. Lport stop cleanup
 * is done.
 */
static void
bfa_fcs_vport_sm_logo_for_stop(struct bfa_fcs_vport_s *vport,
                               enum bfa_fcs_vport_event event)
{
        bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
        bfa_trc(__vport_fcs(vport), event);

        switch (event) {
        case BFA_FCS_VPORT_SM_OFFLINE:
                bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
                fallthrough;

        case BFA_FCS_VPORT_SM_RSP_OK:
        case BFA_FCS_VPORT_SM_RSP_ERROR:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_created);
                break;

        default:
                bfa_sm_fault(__vport_fcs(vport), event);
        }
}

/*
 * LOGO is sent to fabric. Vport delete is in progress. Lport delete cleanup
 * is done.
 */
static void
bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
                        enum bfa_fcs_vport_event event)
{
        bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
        bfa_trc(__vport_fcs(vport), event);

        switch (event) {
        case BFA_FCS_VPORT_SM_OFFLINE:
                bfa_sm_send_event(vport->lps, BFA_LPS_SM_OFFLINE);
                fallthrough;

        case BFA_FCS_VPORT_SM_RSP_OK:
        case BFA_FCS_VPORT_SM_RSP_ERROR:
                bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
                bfa_fcs_vport_free(vport);
                break;

        case BFA_FCS_VPORT_SM_DELETE:
                break;

        default:
                bfa_sm_fault(__vport_fcs(vport), event);
        }
}



/*
 *  fcs_vport_private FCS virtual port private functions
 */
/*
 * Send AEN notification
 */
static void
bfa_fcs_vport_aen_post(struct bfa_fcs_lport_s *port,
                       enum bfa_lport_aen_event event)
{
        struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
        struct bfa_aen_entry_s  *aen_entry;

        bfad_get_aen_entry(bfad, aen_entry);
        if (!aen_entry)
                return;

        aen_entry->aen_data.lport.vf_id = port->fabric->vf_id;
        aen_entry->aen_data.lport.roles = port->port_cfg.roles;
        aen_entry->aen_data.lport.ppwwn = bfa_fcs_lport_get_pwwn(
                                        bfa_fcs_get_base_port(port->fcs));
        aen_entry->aen_data.lport.lpwwn = bfa_fcs_lport_get_pwwn(port);

        /* Send the AEN notification */
        bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,
                                  BFA_AEN_CAT_LPORT, event);
}

/*
 * This routine will be called to send a FDISC command.
 */
static void
bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport)
{
        bfa_lps_fdisc(vport->lps, vport,
                bfa_fcport_get_maxfrsize(__vport_bfa(vport)),
                __vport_pwwn(vport), __vport_nwwn(vport));
        vport->vport_stats.fdisc_sent++;
}

static void
bfa_fcs_vport_fdisc_rejected(struct bfa_fcs_vport_s *vport)
{
        u8              lsrjt_rsn = vport->lps->lsrjt_rsn;
        u8              lsrjt_expl = vport->lps->lsrjt_expl;

        bfa_trc(__vport_fcs(vport), lsrjt_rsn);
        bfa_trc(__vport_fcs(vport), lsrjt_expl);

        /* For certain reason codes, we don't want to retry. */
        switch (vport->lps->lsrjt_expl) {
        case FC_LS_RJT_EXP_INV_PORT_NAME: /* by brocade */
        case FC_LS_RJT_EXP_INVALID_NPORT_ID: /* by Cisco */
                if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
                        bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
                else {
                        bfa_fcs_vport_aen_post(&vport->lport,
                                        BFA_LPORT_AEN_NPIV_DUP_WWN);
                        bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_DUP_WWN);
                }
                break;

        case FC_LS_RJT_EXP_INSUFF_RES:
                /*
                 * This means max logins per port/switch setting on the
                 * switch was exceeded.
                 */
                if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
                        bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
                else {
                        bfa_fcs_vport_aen_post(&vport->lport,
                                        BFA_LPORT_AEN_NPIV_FABRIC_MAX);
                        bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_FABRIC_MAX);
                }
                break;

        default:
                if (vport->fdisc_retries == 0)
                        bfa_fcs_vport_aen_post(&vport->lport,
                                        BFA_LPORT_AEN_NPIV_UNKNOWN);
                bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
        }
}

/*
 *      Called to send a logout to the fabric. Used when a V-Port is
 *      deleted/stopped.
 */
static void
bfa_fcs_vport_do_logo(struct bfa_fcs_vport_s *vport)
{
        bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));

        vport->vport_stats.logo_sent++;
        bfa_lps_fdisclogo(vport->lps);
}


/*
 *     This routine will be called by bfa_timer on timer timeouts.
 *
 *      param[in]       vport           - pointer to bfa_fcs_vport_t.
 *      param[out]      vport_status    - pointer to return vport status in
 *
 *      return
 *              void
 *
 *      Special Considerations:
 *
 *      note
 */
static void
bfa_fcs_vport_timeout(void *vport_arg)
{
        struct bfa_fcs_vport_s *vport = (struct bfa_fcs_vport_s *) vport_arg;

        vport->vport_stats.fdisc_timeouts++;
        bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_TIMEOUT);
}

static void
bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport)
{
        struct bfad_vport_s *vport_drv =
                        (struct bfad_vport_s *)vport->vport_drv;

        bfa_fcs_fabric_delvport(__vport_fabric(vport), vport);
        bfa_lps_delete(vport->lps);

        if (vport_drv->comp_del) {
                complete(vport_drv->comp_del);
                return;
        }

        /*
         * We queue the vport delete work to the IM work_q from here.
         * The memory for the bfad_vport_s is freed from the FC function
         * template vport_delete entry point.
         */
        bfad_im_port_delete(vport_drv->drv_port.bfad, &vport_drv->drv_port);
}

/*
 *  fcs_vport_public FCS virtual port public interfaces
 */

/*
 * Online notification from fabric SM.
 */
void
bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport)
{
        vport->vport_stats.fab_online++;
        if (bfa_fcs_fabric_npiv_capable(__vport_fabric(vport)))
                bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
        else
                vport->vport_stats.fab_no_npiv++;
}

/*
 * Offline notification from fabric SM.
 */
void
bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport)
{
        vport->vport_stats.fab_offline++;
        bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
}

/*
 * Stop notification from fabric SM. To be invoked from within FCS.
 */
void
bfa_fcs_vport_fcs_stop(struct bfa_fcs_vport_s *vport)
{
        bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);
}

/*
 * delete notification from fabric SM. To be invoked from within FCS.
 */
void
bfa_fcs_vport_fcs_delete(struct bfa_fcs_vport_s *vport)
{
        bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);
}

/*
 * Stop completion callback from associated lport
 */
void
bfa_fcs_vport_stop_comp(struct bfa_fcs_vport_s *vport)
{
        bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOPCOMP);
}

/*
 * Delete completion callback from associated lport
 */
void
bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport)
{
        bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELCOMP);
}



/*
 *  fcs_vport_api Virtual port API
 */

/*
 *      Use this function to instantiate a new FCS vport object. This
 *      function will not trigger any HW initialization process (which will be
 *      done in vport_start() call)
 *
 *      param[in] vport -               pointer to bfa_fcs_vport_t. This space
 *                                      needs to be allocated by the driver.
 *      param[in] fcs           -       FCS instance
 *      param[in] vport_cfg     -       vport configuration
 *      param[in] vf_id         -       VF_ID if vport is created within a VF.
 *                                      FC_VF_ID_NULL to specify base fabric.
 *      param[in] vport_drv     -       Opaque handle back to the driver's vport
 *                                      structure
 *
 *      retval BFA_STATUS_OK - on success.
 *      retval BFA_STATUS_FAILED - on failure.
 */
bfa_status_t
bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
                u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
                struct bfad_vport_s *vport_drv)
{
        if (vport_cfg->pwwn == 0)
                return BFA_STATUS_INVALID_WWN;

        if (bfa_fcs_lport_get_pwwn(&fcs->fabric.bport) == vport_cfg->pwwn)
                return BFA_STATUS_VPORT_WWN_BP;

        if (bfa_fcs_vport_lookup(fcs, vf_id, vport_cfg->pwwn) != NULL)
                return BFA_STATUS_VPORT_EXISTS;

        if (fcs->fabric.num_vports ==
                        bfa_lps_get_max_vport(fcs->bfa))
                return BFA_STATUS_VPORT_MAX;

        vport->lps = bfa_lps_alloc(fcs->bfa);
        if (!vport->lps)
                return BFA_STATUS_VPORT_MAX;

        vport->vport_drv = vport_drv;
        vport_cfg->preboot_vp = BFA_FALSE;

        bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
        bfa_fcs_lport_attach(&vport->lport, fcs, vf_id, vport);
        bfa_fcs_lport_init(&vport->lport, vport_cfg);
        bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_CREATE);

        return BFA_STATUS_OK;
}

/*
 *      Use this function to instantiate a new FCS PBC vport object. This
 *      function will not trigger any HW initialization process (which will be
 *      done in vport_start() call)
 *
 *      param[in] vport -       pointer to bfa_fcs_vport_t. This space
 *                              needs to be allocated by the driver.
 *      param[in] fcs   -       FCS instance
 *      param[in] vport_cfg     -       vport configuration
 *      param[in] vf_id         -       VF_ID if vport is created within a VF.
 *                                      FC_VF_ID_NULL to specify base fabric.
 *      param[in] vport_drv     -       Opaque handle back to the driver's vport
 *                                      structure
 *
 *      retval BFA_STATUS_OK - on success.
 *      retval BFA_STATUS_FAILED - on failure.
 */
bfa_status_t
bfa_fcs_pbc_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
                        u16 vf_id, struct bfa_lport_cfg_s *vport_cfg,
                        struct bfad_vport_s *vport_drv)
{
        bfa_status_t rc;

        rc = bfa_fcs_vport_create(vport, fcs, vf_id, vport_cfg, vport_drv);
        vport->lport.port_cfg.preboot_vp = BFA_TRUE;

        return rc;
}

/*
 * Use this function initialize the vport.
 *
 * @param[in] vport - pointer to bfa_fcs_vport_t.
 *
 * @returns None
 */
bfa_status_t
bfa_fcs_vport_start(struct bfa_fcs_vport_s *vport)
{
        bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_START);

        return BFA_STATUS_OK;
}

/*
 *      Use this function quiese the vport object. This function will return
 *      immediately, when the vport is actually stopped, the
 *      bfa_drv_vport_stop_cb() will be called.
 *
 *      param[in] vport - pointer to bfa_fcs_vport_t.
 *
 *      return None
 */
bfa_status_t
bfa_fcs_vport_stop(struct bfa_fcs_vport_s *vport)
{
        bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_STOP);

        return BFA_STATUS_OK;
}

/*
 *      Use this function to delete a vport object. Fabric object should
 *      be stopped before this function call.
 *
 *      !!!!!!! Donot invoke this from within FCS  !!!!!!!
 *
 *      param[in] vport - pointer to bfa_fcs_vport_t.
 *
 *      return     None
 */
bfa_status_t
bfa_fcs_vport_delete(struct bfa_fcs_vport_s *vport)
{

        if (vport->lport.port_cfg.preboot_vp)
                return BFA_STATUS_PBC;

        bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELETE);

        return BFA_STATUS_OK;
}

/*
 *      Use this function to get vport's current status info.
 *
 *      param[in] vport         pointer to bfa_fcs_vport_t.
 *      param[out] attr         pointer to return vport attributes
 *
 *      return None
 */
void
bfa_fcs_vport_get_attr(struct bfa_fcs_vport_s *vport,
                        struct bfa_vport_attr_s *attr)
{
        if (vport == NULL || attr == NULL)
                return;

        memset(attr, 0, sizeof(struct bfa_vport_attr_s));

        bfa_fcs_lport_get_attr(&vport->lport, &attr->port_attr);
        attr->vport_state = bfa_vport_sm_to_state(vport_sm_table, vport->sm);
}


/*
 *      Lookup a virtual port. Excludes base port from lookup.
 */
struct bfa_fcs_vport_s *
bfa_fcs_vport_lookup(struct bfa_fcs_s *fcs, u16 vf_id, wwn_t vpwwn)
{
        struct bfa_fcs_vport_s *vport;
        struct bfa_fcs_fabric_s *fabric;

        bfa_trc(fcs, vf_id);
        bfa_trc(fcs, vpwwn);

        fabric = bfa_fcs_vf_lookup(fcs, vf_id);
        if (!fabric) {
                bfa_trc(fcs, vf_id);
                return NULL;
        }

        vport = bfa_fcs_fabric_vport_lookup(fabric, vpwwn);
        return vport;
}

/*
 * FDISC Response
 */
void
bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status)
{
        struct bfa_fcs_vport_s *vport = uarg;

        bfa_trc(__vport_fcs(vport), __vport_pwwn(vport));
        bfa_trc(__vport_fcs(vport), status);

        switch (status) {
        case BFA_STATUS_OK:
                /*
                 * Initialize the V-Port fields
                 */
                __vport_fcid(vport) = vport->lps->lp_pid;
                vport->vport_stats.fdisc_accepts++;
                bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
                break;

        case BFA_STATUS_INVALID_MAC:
                /* Only for CNA */
                vport->vport_stats.fdisc_acc_bad++;
                bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);

                break;

        case BFA_STATUS_EPROTOCOL:
                switch (vport->lps->ext_status) {
                case BFA_EPROTO_BAD_ACCEPT:
                        vport->vport_stats.fdisc_acc_bad++;
                        break;

                case BFA_EPROTO_UNKNOWN_RSP:
                        vport->vport_stats.fdisc_unknown_rsp++;
                        break;

                default:
                        break;
                }

                if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
                        bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
                else
                        bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);

                break;

        case BFA_STATUS_ETIMER:
                vport->vport_stats.fdisc_timeouts++;
                if (vport->fdisc_retries < BFA_FCS_VPORT_MAX_RETRIES)
                        bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
                else
                        bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_FAILED);
                break;

        case BFA_STATUS_FABRIC_RJT:
                vport->vport_stats.fdisc_rejects++;
                bfa_fcs_vport_fdisc_rejected(vport);
                break;

        default:
                vport->vport_stats.fdisc_rsp_err++;
                bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_ERROR);
        }
}

/*
 * LOGO response
 */
void
bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg)
{
        struct bfa_fcs_vport_s *vport = uarg;
        bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
}

/*
 * Received clear virtual link
 */
void
bfa_cb_lps_cvl_event(void *bfad, void *uarg)
{
        struct bfa_fcs_vport_s *vport = uarg;

        /* Send an Offline followed by an ONLINE */
        bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
        bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
}