2009-09-24 02:46:15 +02:00
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/*
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* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
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* All rights reserved
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* www.brocade.com
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*
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* Linux driver for Brocade Fibre Channel Host Bus Adapter.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License (GPL) Version 2 as
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* published by the Free Software Foundation
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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/**
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* rport.c Remote port implementation.
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*/
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#include <bfa.h>
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#include <bfa_svc.h>
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#include "fcbuild.h"
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#include "fcs_vport.h"
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#include "fcs_lport.h"
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#include "fcs_rport.h"
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#include "fcs_fcpim.h"
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#include "fcs_fcptm.h"
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#include "fcs_trcmod.h"
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#include "fcs_fcxp.h"
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#include "fcs.h"
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#include <fcb/bfa_fcb_rport.h>
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#include <aen/bfa_aen_rport.h>
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BFA_TRC_FILE(FCS, RPORT);
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#define BFA_FCS_RPORT_MAX_RETRIES (5)
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/* In millisecs */
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static u32 bfa_fcs_rport_del_timeout =
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BFA_FCS_RPORT_DEF_DEL_TIMEOUT * 1000;
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/*
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* forward declarations
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*/
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static struct bfa_fcs_rport_s *bfa_fcs_rport_alloc(struct bfa_fcs_port_s *port,
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wwn_t pwwn, u32 rpid);
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static void bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport);
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static void bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport);
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static void bfa_fcs_rport_online_action(struct bfa_fcs_rport_s *rport);
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static void bfa_fcs_rport_offline_action(struct bfa_fcs_rport_s *rport);
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static void bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport,
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struct fc_logi_s *plogi);
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static void bfa_fcs_rport_fc4_pause(struct bfa_fcs_rport_s *rport);
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static void bfa_fcs_rport_fc4_resume(struct bfa_fcs_rport_s *rport);
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static void bfa_fcs_rport_timeout(void *arg);
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static void bfa_fcs_rport_send_plogi(void *rport_cbarg,
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struct bfa_fcxp_s *fcxp_alloced);
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static void bfa_fcs_rport_send_plogiacc(void *rport_cbarg,
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struct bfa_fcxp_s *fcxp_alloced);
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static void bfa_fcs_rport_plogi_response(void *fcsarg,
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struct bfa_fcxp_s *fcxp,
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void *cbarg,
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bfa_status_t req_status,
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u32 rsp_len,
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u32 resid_len,
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struct fchs_s *rsp_fchs);
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static void bfa_fcs_rport_send_adisc(void *rport_cbarg,
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struct bfa_fcxp_s *fcxp_alloced);
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static void bfa_fcs_rport_adisc_response(void *fcsarg,
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struct bfa_fcxp_s *fcxp,
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void *cbarg,
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bfa_status_t req_status,
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u32 rsp_len,
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u32 resid_len,
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struct fchs_s *rsp_fchs);
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static void bfa_fcs_rport_send_gidpn(void *rport_cbarg,
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struct bfa_fcxp_s *fcxp_alloced);
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static void bfa_fcs_rport_gidpn_response(void *fcsarg,
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struct bfa_fcxp_s *fcxp,
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void *cbarg,
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bfa_status_t req_status,
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u32 rsp_len,
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u32 resid_len,
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struct fchs_s *rsp_fchs);
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static void bfa_fcs_rport_send_logo(void *rport_cbarg,
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struct bfa_fcxp_s *fcxp_alloced);
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static void bfa_fcs_rport_send_logo_acc(void *rport_cbarg);
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static void bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport,
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struct fchs_s *rx_fchs, u16 len);
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static void bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport,
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struct fchs_s *rx_fchs, u8 reason_code,
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u8 reason_code_expl);
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static void bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport,
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struct fchs_s *rx_fchs, u16 len);
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/**
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* fcs_rport_sm FCS rport state machine events
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*/
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enum rport_event {
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RPSM_EVENT_PLOGI_SEND = 1, /* new rport; start with PLOGI */
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RPSM_EVENT_PLOGI_RCVD = 2, /* Inbound PLOGI from remote port */
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RPSM_EVENT_PLOGI_COMP = 3, /* PLOGI completed to rport */
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RPSM_EVENT_LOGO_RCVD = 4, /* LOGO from remote device */
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RPSM_EVENT_LOGO_IMP = 5, /* implicit logo for SLER */
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RPSM_EVENT_FCXP_SENT = 6, /* Frame from has been sent */
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RPSM_EVENT_DELETE = 7, /* RPORT delete request */
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RPSM_EVENT_SCN = 8, /* state change notification */
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RPSM_EVENT_ACCEPTED = 9,/* Good response from remote device */
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RPSM_EVENT_FAILED = 10, /* Request to rport failed. */
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RPSM_EVENT_TIMEOUT = 11, /* Rport SM timeout event */
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RPSM_EVENT_HCB_ONLINE = 12, /* BFA rport online callback */
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RPSM_EVENT_HCB_OFFLINE = 13, /* BFA rport offline callback */
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RPSM_EVENT_FC4_OFFLINE = 14, /* FC-4 offline complete */
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RPSM_EVENT_ADDRESS_CHANGE = 15, /* Rport's PID has changed */
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RPSM_EVENT_ADDRESS_DISC = 16 /* Need to Discover rport's PID */
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};
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static void bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport,
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enum rport_event event);
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static void bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport,
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enum rport_event event);
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static void bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport,
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enum rport_event event);
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static void bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport,
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enum rport_event event);
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static void bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport,
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enum rport_event event);
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static void bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport,
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enum rport_event event);
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static void bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport,
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enum rport_event event);
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static void bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport,
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enum rport_event event);
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static void bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport,
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enum rport_event event);
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static void bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport,
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enum rport_event event);
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static void bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport,
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enum rport_event event);
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static void bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport,
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enum rport_event event);
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static void bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport,
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enum rport_event event);
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static void bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport,
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enum rport_event event);
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static void bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport,
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enum rport_event event);
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static void bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport,
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enum rport_event event);
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static void bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport,
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enum rport_event event);
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static void bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport,
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enum rport_event event);
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static void bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport,
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enum rport_event event);
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static void bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport,
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enum rport_event event);
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static void bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport,
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enum rport_event event);
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static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport,
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enum rport_event event);
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static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport,
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enum rport_event event);
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static struct bfa_sm_table_s rport_sm_table[] = {
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{BFA_SM(bfa_fcs_rport_sm_uninit), BFA_RPORT_UNINIT},
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{BFA_SM(bfa_fcs_rport_sm_plogi_sending), BFA_RPORT_PLOGI},
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{BFA_SM(bfa_fcs_rport_sm_plogiacc_sending), BFA_RPORT_ONLINE},
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{BFA_SM(bfa_fcs_rport_sm_plogi_retry), BFA_RPORT_PLOGI_RETRY},
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{BFA_SM(bfa_fcs_rport_sm_plogi), BFA_RPORT_PLOGI},
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{BFA_SM(bfa_fcs_rport_sm_hal_online), BFA_RPORT_ONLINE},
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{BFA_SM(bfa_fcs_rport_sm_online), BFA_RPORT_ONLINE},
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{BFA_SM(bfa_fcs_rport_sm_nsquery_sending), BFA_RPORT_NSQUERY},
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{BFA_SM(bfa_fcs_rport_sm_nsquery), BFA_RPORT_NSQUERY},
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{BFA_SM(bfa_fcs_rport_sm_adisc_sending), BFA_RPORT_ADISC},
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{BFA_SM(bfa_fcs_rport_sm_adisc), BFA_RPORT_ADISC},
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{BFA_SM(bfa_fcs_rport_sm_fc4_logorcv), BFA_RPORT_LOGORCV},
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{BFA_SM(bfa_fcs_rport_sm_fc4_logosend), BFA_RPORT_LOGO},
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{BFA_SM(bfa_fcs_rport_sm_fc4_offline), BFA_RPORT_OFFLINE},
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{BFA_SM(bfa_fcs_rport_sm_hcb_offline), BFA_RPORT_OFFLINE},
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{BFA_SM(bfa_fcs_rport_sm_hcb_logorcv), BFA_RPORT_LOGORCV},
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{BFA_SM(bfa_fcs_rport_sm_hcb_logosend), BFA_RPORT_LOGO},
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{BFA_SM(bfa_fcs_rport_sm_logo_sending), BFA_RPORT_LOGO},
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{BFA_SM(bfa_fcs_rport_sm_offline), BFA_RPORT_OFFLINE},
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{BFA_SM(bfa_fcs_rport_sm_nsdisc_sending), BFA_RPORT_NSDISC},
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{BFA_SM(bfa_fcs_rport_sm_nsdisc_retry), BFA_RPORT_NSDISC},
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{BFA_SM(bfa_fcs_rport_sm_nsdisc_sent), BFA_RPORT_NSDISC},
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};
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/**
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* Beginning state.
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*/
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static void
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bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, enum rport_event event)
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{
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bfa_trc(rport->fcs, rport->pwwn);
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bfa_trc(rport->fcs, rport->pid);
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bfa_trc(rport->fcs, event);
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switch (event) {
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case RPSM_EVENT_PLOGI_SEND:
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bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending);
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rport->plogi_retries = 0;
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bfa_fcs_rport_send_plogi(rport, NULL);
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break;
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case RPSM_EVENT_PLOGI_RCVD:
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bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
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bfa_fcs_rport_send_plogiacc(rport, NULL);
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break;
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case RPSM_EVENT_PLOGI_COMP:
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bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online);
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bfa_fcs_rport_hal_online(rport);
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break;
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case RPSM_EVENT_ADDRESS_CHANGE:
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case RPSM_EVENT_ADDRESS_DISC:
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bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
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rport->ns_retries = 0;
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bfa_fcs_rport_send_gidpn(rport, NULL);
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break;
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default:
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2010-03-06 04:35:02 +01:00
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bfa_sm_fault(rport->fcs, event);
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2009-09-24 02:46:15 +02:00
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}
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}
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/**
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* PLOGI is being sent.
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*/
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static void
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bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport,
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enum rport_event event)
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{
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bfa_trc(rport->fcs, rport->pwwn);
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bfa_trc(rport->fcs, rport->pid);
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bfa_trc(rport->fcs, event);
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switch (event) {
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case RPSM_EVENT_FCXP_SENT:
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bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi);
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break;
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case RPSM_EVENT_DELETE:
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bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
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bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
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bfa_fcs_rport_free(rport);
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break;
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case RPSM_EVENT_PLOGI_RCVD:
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bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
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bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
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bfa_fcs_rport_send_plogiacc(rport, NULL);
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break;
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case RPSM_EVENT_ADDRESS_CHANGE:
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bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
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bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
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rport->ns_retries = 0;
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bfa_fcs_rport_send_gidpn(rport, NULL);
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break;
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case RPSM_EVENT_LOGO_IMP:
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rport->pid = 0;
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bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
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bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
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bfa_timer_start(rport->fcs->bfa, &rport->timer,
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bfa_fcs_rport_timeout, rport,
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bfa_fcs_rport_del_timeout);
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break;
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case RPSM_EVENT_SCN:
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break;
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default:
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2010-03-06 04:35:02 +01:00
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bfa_sm_fault(rport->fcs, event);
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2009-09-24 02:46:15 +02:00
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|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* PLOGI is being sent.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport,
|
|
|
|
enum rport_event event)
|
|
|
|
{
|
|
|
|
bfa_trc(rport->fcs, rport->pwwn);
|
|
|
|
bfa_trc(rport->fcs, rport->pid);
|
|
|
|
bfa_trc(rport->fcs, event);
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case RPSM_EVENT_FCXP_SENT:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online);
|
|
|
|
bfa_fcs_rport_hal_online(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_DELETE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
|
|
|
|
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
|
|
|
|
bfa_fcs_rport_free(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_SCN:
|
|
|
|
/**
|
|
|
|
* Ignore, SCN is possibly online notification.
|
|
|
|
*/
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_ADDRESS_CHANGE:
|
|
|
|
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
|
|
|
|
rport->ns_retries = 0;
|
|
|
|
bfa_fcs_rport_send_gidpn(rport, NULL);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_LOGO_IMP:
|
|
|
|
rport->pid = 0;
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
|
|
|
|
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
|
|
|
|
bfa_timer_start(rport->fcs->bfa, &rport->timer,
|
|
|
|
bfa_fcs_rport_timeout, rport,
|
|
|
|
bfa_fcs_rport_del_timeout);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_HCB_OFFLINE:
|
|
|
|
/**
|
|
|
|
* Ignore BFA callback, on a PLOGI receive we call bfa offline.
|
|
|
|
*/
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
2010-03-06 04:35:02 +01:00
|
|
|
bfa_sm_fault(rport->fcs, event);
|
2009-09-24 02:46:15 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* PLOGI is sent.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport,
|
|
|
|
enum rport_event event)
|
|
|
|
{
|
|
|
|
bfa_trc(rport->fcs, rport->pwwn);
|
|
|
|
bfa_trc(rport->fcs, rport->pid);
|
|
|
|
bfa_trc(rport->fcs, event);
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case RPSM_EVENT_SCN:
|
|
|
|
bfa_timer_stop(&rport->timer);
|
|
|
|
/*
|
|
|
|
* !! fall through !!
|
|
|
|
*/
|
|
|
|
|
|
|
|
case RPSM_EVENT_TIMEOUT:
|
|
|
|
rport->plogi_retries++;
|
|
|
|
if (rport->plogi_retries < BFA_FCS_RPORT_MAX_RETRIES) {
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending);
|
|
|
|
bfa_fcs_rport_send_plogi(rport, NULL);
|
|
|
|
} else {
|
|
|
|
rport->pid = 0;
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
|
|
|
|
bfa_timer_start(rport->fcs->bfa, &rport->timer,
|
|
|
|
bfa_fcs_rport_timeout, rport,
|
|
|
|
bfa_fcs_rport_del_timeout);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_DELETE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
|
|
|
|
bfa_timer_stop(&rport->timer);
|
|
|
|
bfa_fcs_rport_free(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_LOGO_RCVD:
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_PLOGI_RCVD:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
|
|
|
|
bfa_timer_stop(&rport->timer);
|
|
|
|
bfa_fcs_rport_send_plogiacc(rport, NULL);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_ADDRESS_CHANGE:
|
|
|
|
bfa_timer_stop(&rport->timer);
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
|
|
|
|
rport->ns_retries = 0;
|
|
|
|
bfa_fcs_rport_send_gidpn(rport, NULL);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_LOGO_IMP:
|
|
|
|
rport->pid = 0;
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
|
|
|
|
bfa_timer_stop(&rport->timer);
|
|
|
|
bfa_timer_start(rport->fcs->bfa, &rport->timer,
|
|
|
|
bfa_fcs_rport_timeout, rport,
|
|
|
|
bfa_fcs_rport_del_timeout);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_PLOGI_COMP:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online);
|
|
|
|
bfa_timer_stop(&rport->timer);
|
|
|
|
bfa_fcs_rport_hal_online(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
2010-03-06 04:35:02 +01:00
|
|
|
bfa_sm_fault(rport->fcs, event);
|
2009-09-24 02:46:15 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* PLOGI is sent.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event)
|
|
|
|
{
|
|
|
|
bfa_trc(rport->fcs, rport->pwwn);
|
|
|
|
bfa_trc(rport->fcs, rport->pid);
|
|
|
|
bfa_trc(rport->fcs, event);
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case RPSM_EVENT_ACCEPTED:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online);
|
|
|
|
rport->plogi_retries = 0;
|
|
|
|
bfa_fcs_rport_hal_online(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_LOGO_RCVD:
|
|
|
|
bfa_fcs_rport_send_logo_acc(rport);
|
|
|
|
bfa_fcxp_discard(rport->fcxp);
|
|
|
|
/*
|
|
|
|
* !! fall through !!
|
|
|
|
*/
|
|
|
|
case RPSM_EVENT_FAILED:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_retry);
|
|
|
|
bfa_timer_start(rport->fcs->bfa, &rport->timer,
|
|
|
|
bfa_fcs_rport_timeout, rport,
|
|
|
|
BFA_FCS_RETRY_TIMEOUT);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_LOGO_IMP:
|
|
|
|
rport->pid = 0;
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
|
|
|
|
bfa_fcxp_discard(rport->fcxp);
|
|
|
|
bfa_timer_start(rport->fcs->bfa, &rport->timer,
|
|
|
|
bfa_fcs_rport_timeout, rport,
|
|
|
|
bfa_fcs_rport_del_timeout);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_ADDRESS_CHANGE:
|
|
|
|
bfa_fcxp_discard(rport->fcxp);
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
|
|
|
|
rport->ns_retries = 0;
|
|
|
|
bfa_fcs_rport_send_gidpn(rport, NULL);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_PLOGI_RCVD:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
|
|
|
|
bfa_fcxp_discard(rport->fcxp);
|
|
|
|
bfa_fcs_rport_send_plogiacc(rport, NULL);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_SCN:
|
|
|
|
/**
|
|
|
|
* Ignore SCN - wait for PLOGI response.
|
|
|
|
*/
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_DELETE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
|
|
|
|
bfa_fcxp_discard(rport->fcxp);
|
|
|
|
bfa_fcs_rport_free(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_PLOGI_COMP:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online);
|
|
|
|
bfa_fcxp_discard(rport->fcxp);
|
|
|
|
bfa_fcs_rport_hal_online(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
2010-03-06 04:35:02 +01:00
|
|
|
bfa_sm_fault(rport->fcs, event);
|
2009-09-24 02:46:15 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* PLOGI is complete. Awaiting BFA rport online callback. FC-4s
|
|
|
|
* are offline.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport,
|
|
|
|
enum rport_event event)
|
|
|
|
{
|
|
|
|
bfa_trc(rport->fcs, rport->pwwn);
|
|
|
|
bfa_trc(rport->fcs, rport->pid);
|
|
|
|
bfa_trc(rport->fcs, event);
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case RPSM_EVENT_HCB_ONLINE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_online);
|
|
|
|
bfa_fcs_rport_online_action(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_LOGO_RCVD:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv);
|
|
|
|
bfa_rport_offline(rport->bfa_rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_LOGO_IMP:
|
|
|
|
case RPSM_EVENT_ADDRESS_CHANGE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline);
|
|
|
|
bfa_rport_offline(rport->bfa_rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_PLOGI_RCVD:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
|
|
|
|
bfa_rport_offline(rport->bfa_rport);
|
|
|
|
bfa_fcs_rport_send_plogiacc(rport, NULL);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_DELETE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend);
|
|
|
|
bfa_rport_offline(rport->bfa_rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_SCN:
|
|
|
|
/**
|
|
|
|
* @todo
|
|
|
|
* Ignore SCN - PLOGI just completed, FC-4 login should detect
|
|
|
|
* device failures.
|
|
|
|
*/
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
2010-03-06 04:35:02 +01:00
|
|
|
bfa_sm_fault(rport->fcs, event);
|
2009-09-24 02:46:15 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Rport is ONLINE. FC-4s active.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, enum rport_event event)
|
|
|
|
{
|
|
|
|
bfa_trc(rport->fcs, rport->pwwn);
|
|
|
|
bfa_trc(rport->fcs, rport->pid);
|
|
|
|
bfa_trc(rport->fcs, event);
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case RPSM_EVENT_SCN:
|
|
|
|
/**
|
|
|
|
* Pause FC-4 activity till rport is authenticated.
|
|
|
|
* In switched fabrics, check presence of device in nameserver
|
|
|
|
* first.
|
|
|
|
*/
|
|
|
|
bfa_fcs_rport_fc4_pause(rport);
|
|
|
|
|
|
|
|
if (bfa_fcs_fabric_is_switched(rport->port->fabric)) {
|
|
|
|
bfa_sm_set_state(rport,
|
|
|
|
bfa_fcs_rport_sm_nsquery_sending);
|
|
|
|
rport->ns_retries = 0;
|
|
|
|
bfa_fcs_rport_send_gidpn(rport, NULL);
|
|
|
|
} else {
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_sending);
|
|
|
|
bfa_fcs_rport_send_adisc(rport, NULL);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_PLOGI_RCVD:
|
|
|
|
case RPSM_EVENT_LOGO_IMP:
|
|
|
|
case RPSM_EVENT_ADDRESS_CHANGE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
|
|
|
|
bfa_fcs_rport_offline_action(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_DELETE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
|
|
|
|
bfa_fcs_rport_offline_action(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_LOGO_RCVD:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv);
|
|
|
|
bfa_fcs_rport_offline_action(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_PLOGI_COMP:
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
2010-03-06 04:35:02 +01:00
|
|
|
bfa_sm_fault(rport->fcs, event);
|
2009-09-24 02:46:15 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* An SCN event is received in ONLINE state. NS query is being sent
|
|
|
|
* prior to ADISC authentication with rport. FC-4s are paused.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport,
|
|
|
|
enum rport_event event)
|
|
|
|
{
|
|
|
|
bfa_trc(rport->fcs, rport->pwwn);
|
|
|
|
bfa_trc(rport->fcs, rport->pid);
|
|
|
|
bfa_trc(rport->fcs, event);
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case RPSM_EVENT_FCXP_SENT:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsquery);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_DELETE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
|
|
|
|
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
|
|
|
|
bfa_fcs_rport_offline_action(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_SCN:
|
|
|
|
/**
|
|
|
|
* ignore SCN, wait for response to query itself
|
|
|
|
*/
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_LOGO_RCVD:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv);
|
|
|
|
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
|
|
|
|
bfa_fcs_rport_offline_action(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_LOGO_IMP:
|
|
|
|
rport->pid = 0;
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
|
|
|
|
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
|
|
|
|
bfa_timer_start(rport->fcs->bfa, &rport->timer,
|
|
|
|
bfa_fcs_rport_timeout, rport,
|
|
|
|
bfa_fcs_rport_del_timeout);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_PLOGI_RCVD:
|
|
|
|
case RPSM_EVENT_ADDRESS_CHANGE:
|
|
|
|
case RPSM_EVENT_PLOGI_COMP:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
|
|
|
|
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
|
|
|
|
bfa_fcs_rport_offline_action(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
2010-03-06 04:35:02 +01:00
|
|
|
bfa_sm_fault(rport->fcs, event);
|
2009-09-24 02:46:15 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* An SCN event is received in ONLINE state. NS query is sent to rport.
|
|
|
|
* FC-4s are paused.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, enum rport_event event)
|
|
|
|
{
|
|
|
|
bfa_trc(rport->fcs, rport->pwwn);
|
|
|
|
bfa_trc(rport->fcs, rport->pid);
|
|
|
|
bfa_trc(rport->fcs, event);
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case RPSM_EVENT_ACCEPTED:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc_sending);
|
|
|
|
bfa_fcs_rport_send_adisc(rport, NULL);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_FAILED:
|
|
|
|
rport->ns_retries++;
|
|
|
|
if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) {
|
|
|
|
bfa_sm_set_state(rport,
|
|
|
|
bfa_fcs_rport_sm_nsquery_sending);
|
|
|
|
bfa_fcs_rport_send_gidpn(rport, NULL);
|
|
|
|
} else {
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
|
|
|
|
bfa_fcs_rport_offline_action(rport);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_DELETE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
|
|
|
|
bfa_fcxp_discard(rport->fcxp);
|
|
|
|
bfa_fcs_rport_offline_action(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_SCN:
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_LOGO_RCVD:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv);
|
|
|
|
bfa_fcxp_discard(rport->fcxp);
|
|
|
|
bfa_fcs_rport_offline_action(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_PLOGI_COMP:
|
|
|
|
case RPSM_EVENT_ADDRESS_CHANGE:
|
|
|
|
case RPSM_EVENT_PLOGI_RCVD:
|
|
|
|
case RPSM_EVENT_LOGO_IMP:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
|
|
|
|
bfa_fcxp_discard(rport->fcxp);
|
|
|
|
bfa_fcs_rport_offline_action(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
2010-03-06 04:35:02 +01:00
|
|
|
bfa_sm_fault(rport->fcs, event);
|
2009-09-24 02:46:15 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* An SCN event is received in ONLINE state. ADISC is being sent for
|
|
|
|
* authenticating with rport. FC-4s are paused.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport,
|
|
|
|
enum rport_event event)
|
|
|
|
{
|
|
|
|
bfa_trc(rport->fcs, rport->pwwn);
|
|
|
|
bfa_trc(rport->fcs, rport->pid);
|
|
|
|
bfa_trc(rport->fcs, event);
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case RPSM_EVENT_FCXP_SENT:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_adisc);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_DELETE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
|
|
|
|
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
|
|
|
|
bfa_fcs_rport_offline_action(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_LOGO_IMP:
|
|
|
|
case RPSM_EVENT_ADDRESS_CHANGE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
|
|
|
|
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
|
|
|
|
bfa_fcs_rport_offline_action(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_LOGO_RCVD:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv);
|
|
|
|
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
|
|
|
|
bfa_fcs_rport_offline_action(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_SCN:
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_PLOGI_RCVD:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
|
|
|
|
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
|
|
|
|
bfa_fcs_rport_offline_action(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
2010-03-06 04:35:02 +01:00
|
|
|
bfa_sm_fault(rport->fcs, event);
|
2009-09-24 02:46:15 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* An SCN event is received in ONLINE state. ADISC is to rport.
|
|
|
|
* FC-4s are paused.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, enum rport_event event)
|
|
|
|
{
|
|
|
|
bfa_trc(rport->fcs, rport->pwwn);
|
|
|
|
bfa_trc(rport->fcs, rport->pid);
|
|
|
|
bfa_trc(rport->fcs, event);
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case RPSM_EVENT_ACCEPTED:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_online);
|
|
|
|
bfa_fcs_rport_fc4_resume(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_PLOGI_RCVD:
|
|
|
|
/**
|
|
|
|
* Too complex to cleanup FC-4 & rport and then acc to PLOGI.
|
|
|
|
* At least go offline when a PLOGI is received.
|
|
|
|
*/
|
|
|
|
bfa_fcxp_discard(rport->fcxp);
|
|
|
|
/*
|
|
|
|
* !!! fall through !!!
|
|
|
|
*/
|
|
|
|
|
|
|
|
case RPSM_EVENT_FAILED:
|
|
|
|
case RPSM_EVENT_ADDRESS_CHANGE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
|
|
|
|
bfa_fcs_rport_offline_action(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_DELETE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
|
|
|
|
bfa_fcxp_discard(rport->fcxp);
|
|
|
|
bfa_fcs_rport_offline_action(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_SCN:
|
|
|
|
/**
|
|
|
|
* already processing RSCN
|
|
|
|
*/
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_LOGO_IMP:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_offline);
|
|
|
|
bfa_fcxp_discard(rport->fcxp);
|
|
|
|
bfa_fcs_rport_offline_action(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_LOGO_RCVD:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logorcv);
|
|
|
|
bfa_fcxp_discard(rport->fcxp);
|
|
|
|
bfa_fcs_rport_offline_action(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
2010-03-06 04:35:02 +01:00
|
|
|
bfa_sm_fault(rport->fcs, event);
|
2009-09-24 02:46:15 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Rport has sent LOGO. Awaiting FC-4 offline completion callback.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport,
|
|
|
|
enum rport_event event)
|
|
|
|
{
|
|
|
|
bfa_trc(rport->fcs, rport->pwwn);
|
|
|
|
bfa_trc(rport->fcs, rport->pid);
|
|
|
|
bfa_trc(rport->fcs, event);
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case RPSM_EVENT_FC4_OFFLINE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logorcv);
|
|
|
|
bfa_rport_offline(rport->bfa_rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_DELETE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_LOGO_RCVD:
|
|
|
|
case RPSM_EVENT_ADDRESS_CHANGE:
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
2010-03-06 04:35:02 +01:00
|
|
|
bfa_sm_fault(rport->fcs, event);
|
2009-09-24 02:46:15 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* LOGO needs to be sent to rport. Awaiting FC-4 offline completion
|
|
|
|
* callback.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport,
|
|
|
|
enum rport_event event)
|
|
|
|
{
|
|
|
|
bfa_trc(rport->fcs, rport->pwwn);
|
|
|
|
bfa_trc(rport->fcs, rport->pid);
|
|
|
|
bfa_trc(rport->fcs, event);
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case RPSM_EVENT_FC4_OFFLINE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend);
|
|
|
|
bfa_rport_offline(rport->bfa_rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
2010-03-06 04:35:02 +01:00
|
|
|
bfa_sm_fault(rport->fcs, event);
|
2009-09-24 02:46:15 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Rport is going offline. Awaiting FC-4 offline completion callback.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport,
|
|
|
|
enum rport_event event)
|
|
|
|
{
|
|
|
|
bfa_trc(rport->fcs, rport->pwwn);
|
|
|
|
bfa_trc(rport->fcs, rport->pid);
|
|
|
|
bfa_trc(rport->fcs, event);
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case RPSM_EVENT_FC4_OFFLINE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline);
|
|
|
|
bfa_rport_offline(rport->bfa_rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_SCN:
|
|
|
|
case RPSM_EVENT_LOGO_IMP:
|
|
|
|
case RPSM_EVENT_LOGO_RCVD:
|
|
|
|
case RPSM_EVENT_ADDRESS_CHANGE:
|
|
|
|
/**
|
|
|
|
* rport is already going offline.
|
|
|
|
* SCN - ignore and wait till transitioning to offline state
|
|
|
|
*/
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_DELETE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_fc4_logosend);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
2010-03-06 04:35:02 +01:00
|
|
|
bfa_sm_fault(rport->fcs, event);
|
2009-09-24 02:46:15 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Rport is offline. FC-4s are offline. Awaiting BFA rport offline
|
|
|
|
* callback.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport,
|
|
|
|
enum rport_event event)
|
|
|
|
{
|
|
|
|
bfa_trc(rport->fcs, rport->pwwn);
|
|
|
|
bfa_trc(rport->fcs, rport->pid);
|
|
|
|
bfa_trc(rport->fcs, event);
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case RPSM_EVENT_HCB_OFFLINE:
|
|
|
|
case RPSM_EVENT_ADDRESS_CHANGE:
|
|
|
|
if (bfa_fcs_port_is_online(rport->port)) {
|
2010-03-06 04:35:16 +01:00
|
|
|
if (bfa_fcs_fabric_is_switched(rport->port->fabric)) {
|
|
|
|
bfa_sm_set_state(rport,
|
|
|
|
bfa_fcs_rport_sm_nsdisc_sending);
|
|
|
|
rport->ns_retries = 0;
|
|
|
|
bfa_fcs_rport_send_gidpn(rport, NULL);
|
|
|
|
} else {
|
|
|
|
bfa_sm_set_state(rport,
|
|
|
|
bfa_fcs_rport_sm_plogi_sending);
|
|
|
|
rport->plogi_retries = 0;
|
|
|
|
bfa_fcs_rport_send_plogi(rport, NULL);
|
|
|
|
}
|
2009-09-24 02:46:15 +02:00
|
|
|
} else {
|
|
|
|
rport->pid = 0;
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
|
|
|
|
bfa_timer_start(rport->fcs->bfa, &rport->timer,
|
|
|
|
bfa_fcs_rport_timeout, rport,
|
|
|
|
bfa_fcs_rport_del_timeout);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_DELETE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
|
|
|
|
bfa_fcs_rport_free(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_SCN:
|
|
|
|
case RPSM_EVENT_LOGO_RCVD:
|
|
|
|
/**
|
|
|
|
* Ignore, already offline.
|
|
|
|
*/
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
2010-03-06 04:35:02 +01:00
|
|
|
bfa_sm_fault(rport->fcs, event);
|
2009-09-24 02:46:15 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Rport is offline. FC-4s are offline. Awaiting BFA rport offline
|
|
|
|
* callback to send LOGO accept.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport,
|
|
|
|
enum rport_event event)
|
|
|
|
{
|
|
|
|
bfa_trc(rport->fcs, rport->pwwn);
|
|
|
|
bfa_trc(rport->fcs, rport->pid);
|
|
|
|
bfa_trc(rport->fcs, event);
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case RPSM_EVENT_HCB_OFFLINE:
|
|
|
|
case RPSM_EVENT_ADDRESS_CHANGE:
|
|
|
|
if (rport->pid)
|
|
|
|
bfa_fcs_rport_send_logo_acc(rport);
|
|
|
|
/*
|
|
|
|
* If the lport is online and if the rport is not a well known
|
|
|
|
* address port, we try to re-discover the r-port.
|
|
|
|
*/
|
|
|
|
if (bfa_fcs_port_is_online(rport->port)
|
|
|
|
&& (!BFA_FCS_PID_IS_WKA(rport->pid))) {
|
|
|
|
bfa_sm_set_state(rport,
|
|
|
|
bfa_fcs_rport_sm_nsdisc_sending);
|
|
|
|
rport->ns_retries = 0;
|
|
|
|
bfa_fcs_rport_send_gidpn(rport, NULL);
|
|
|
|
} else {
|
|
|
|
/*
|
|
|
|
* if it is not a well known address, reset the pid to
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
if (!BFA_FCS_PID_IS_WKA(rport->pid))
|
|
|
|
rport->pid = 0;
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
|
|
|
|
bfa_timer_start(rport->fcs->bfa, &rport->timer,
|
|
|
|
bfa_fcs_rport_timeout, rport,
|
|
|
|
bfa_fcs_rport_del_timeout);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_DELETE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_logosend);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_LOGO_IMP:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_hcb_offline);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_LOGO_RCVD:
|
|
|
|
/**
|
|
|
|
* Ignore - already processing a LOGO.
|
|
|
|
*/
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
2010-03-06 04:35:02 +01:00
|
|
|
bfa_sm_fault(rport->fcs, event);
|
2009-09-24 02:46:15 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Rport is being deleted. FC-4s are offline. Awaiting BFA rport offline
|
|
|
|
* callback to send LOGO.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport,
|
|
|
|
enum rport_event event)
|
|
|
|
{
|
|
|
|
bfa_trc(rport->fcs, rport->pwwn);
|
|
|
|
bfa_trc(rport->fcs, rport->pid);
|
|
|
|
bfa_trc(rport->fcs, event);
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case RPSM_EVENT_HCB_OFFLINE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_logo_sending);
|
|
|
|
bfa_fcs_rport_send_logo(rport, NULL);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_LOGO_RCVD:
|
|
|
|
case RPSM_EVENT_ADDRESS_CHANGE:
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
2010-03-06 04:35:02 +01:00
|
|
|
bfa_sm_fault(rport->fcs, event);
|
2009-09-24 02:46:15 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Rport is being deleted. FC-4s are offline. LOGO is being sent.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport,
|
|
|
|
enum rport_event event)
|
|
|
|
{
|
|
|
|
bfa_trc(rport->fcs, rport->pwwn);
|
|
|
|
bfa_trc(rport->fcs, rport->pid);
|
|
|
|
bfa_trc(rport->fcs, event);
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case RPSM_EVENT_FCXP_SENT:
|
|
|
|
/*
|
|
|
|
* Once LOGO is sent, we donot wait for the response
|
|
|
|
*/
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
|
|
|
|
bfa_fcs_rport_free(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_SCN:
|
|
|
|
case RPSM_EVENT_ADDRESS_CHANGE:
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_LOGO_RCVD:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
|
|
|
|
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
|
|
|
|
bfa_fcs_rport_free(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
2010-03-06 04:35:02 +01:00
|
|
|
bfa_sm_fault(rport->fcs, event);
|
2009-09-24 02:46:15 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Rport is offline. FC-4s are offline. BFA rport is offline.
|
|
|
|
* Timer active to delete stale rport.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, enum rport_event event)
|
|
|
|
{
|
|
|
|
bfa_trc(rport->fcs, rport->pwwn);
|
|
|
|
bfa_trc(rport->fcs, rport->pid);
|
|
|
|
bfa_trc(rport->fcs, event);
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case RPSM_EVENT_TIMEOUT:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
|
|
|
|
bfa_fcs_rport_free(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_SCN:
|
|
|
|
case RPSM_EVENT_ADDRESS_CHANGE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
|
|
|
|
bfa_timer_stop(&rport->timer);
|
|
|
|
rport->ns_retries = 0;
|
|
|
|
bfa_fcs_rport_send_gidpn(rport, NULL);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_DELETE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
|
|
|
|
bfa_timer_stop(&rport->timer);
|
|
|
|
bfa_fcs_rport_free(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_PLOGI_RCVD:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
|
|
|
|
bfa_timer_stop(&rport->timer);
|
|
|
|
bfa_fcs_rport_send_plogiacc(rport, NULL);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_LOGO_RCVD:
|
|
|
|
case RPSM_EVENT_LOGO_IMP:
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_PLOGI_COMP:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online);
|
|
|
|
bfa_timer_stop(&rport->timer);
|
|
|
|
bfa_fcs_rport_hal_online(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_PLOGI_SEND:
|
|
|
|
bfa_timer_stop(&rport->timer);
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending);
|
|
|
|
rport->plogi_retries = 0;
|
|
|
|
bfa_fcs_rport_send_plogi(rport, NULL);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
2010-03-06 04:35:02 +01:00
|
|
|
bfa_sm_fault(rport->fcs, event);
|
2009-09-24 02:46:15 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Rport address has changed. Nameserver discovery request is being sent.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport,
|
|
|
|
enum rport_event event)
|
|
|
|
{
|
|
|
|
bfa_trc(rport->fcs, rport->pwwn);
|
|
|
|
bfa_trc(rport->fcs, rport->pid);
|
|
|
|
bfa_trc(rport->fcs, event);
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case RPSM_EVENT_FCXP_SENT:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sent);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_DELETE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
|
|
|
|
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
|
|
|
|
bfa_fcs_rport_free(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_PLOGI_RCVD:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
|
|
|
|
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
|
|
|
|
bfa_fcs_rport_send_plogiacc(rport, NULL);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_SCN:
|
|
|
|
case RPSM_EVENT_LOGO_RCVD:
|
|
|
|
case RPSM_EVENT_PLOGI_SEND:
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_ADDRESS_CHANGE:
|
|
|
|
rport->ns_retries = 0; /* reset the retry count */
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_LOGO_IMP:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
|
|
|
|
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
|
|
|
|
bfa_timer_start(rport->fcs->bfa, &rport->timer,
|
|
|
|
bfa_fcs_rport_timeout, rport,
|
|
|
|
bfa_fcs_rport_del_timeout);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_PLOGI_COMP:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online);
|
|
|
|
bfa_fcxp_walloc_cancel(rport->fcs->bfa, &rport->fcxp_wqe);
|
|
|
|
bfa_fcs_rport_hal_online(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
2010-03-06 04:35:02 +01:00
|
|
|
bfa_sm_fault(rport->fcs, event);
|
2009-09-24 02:46:15 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Nameserver discovery failed. Waiting for timeout to retry.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport,
|
|
|
|
enum rport_event event)
|
|
|
|
{
|
|
|
|
bfa_trc(rport->fcs, rport->pwwn);
|
|
|
|
bfa_trc(rport->fcs, rport->pid);
|
|
|
|
bfa_trc(rport->fcs, event);
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case RPSM_EVENT_TIMEOUT:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
|
|
|
|
bfa_fcs_rport_send_gidpn(rport, NULL);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_SCN:
|
|
|
|
case RPSM_EVENT_ADDRESS_CHANGE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending);
|
|
|
|
bfa_timer_stop(&rport->timer);
|
|
|
|
rport->ns_retries = 0;
|
|
|
|
bfa_fcs_rport_send_gidpn(rport, NULL);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_DELETE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
|
|
|
|
bfa_timer_stop(&rport->timer);
|
|
|
|
bfa_fcs_rport_free(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_PLOGI_RCVD:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
|
|
|
|
bfa_timer_stop(&rport->timer);
|
|
|
|
bfa_fcs_rport_send_plogiacc(rport, NULL);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_LOGO_IMP:
|
|
|
|
rport->pid = 0;
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
|
|
|
|
bfa_timer_stop(&rport->timer);
|
|
|
|
bfa_timer_start(rport->fcs->bfa, &rport->timer,
|
|
|
|
bfa_fcs_rport_timeout, rport,
|
|
|
|
bfa_fcs_rport_del_timeout);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_LOGO_RCVD:
|
|
|
|
bfa_fcs_rport_send_logo_acc(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_PLOGI_COMP:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online);
|
|
|
|
bfa_timer_stop(&rport->timer);
|
|
|
|
bfa_fcs_rport_hal_online(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
2010-03-06 04:35:02 +01:00
|
|
|
bfa_sm_fault(rport->fcs, event);
|
2009-09-24 02:46:15 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Rport address has changed. Nameserver discovery request is sent.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport,
|
|
|
|
enum rport_event event)
|
|
|
|
{
|
|
|
|
bfa_trc(rport->fcs, rport->pwwn);
|
|
|
|
bfa_trc(rport->fcs, rport->pid);
|
|
|
|
bfa_trc(rport->fcs, event);
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case RPSM_EVENT_ACCEPTED:
|
|
|
|
case RPSM_EVENT_ADDRESS_CHANGE:
|
|
|
|
if (rport->pid) {
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending);
|
|
|
|
bfa_fcs_rport_send_plogi(rport, NULL);
|
|
|
|
} else {
|
|
|
|
bfa_sm_set_state(rport,
|
|
|
|
bfa_fcs_rport_sm_nsdisc_sending);
|
|
|
|
rport->ns_retries = 0;
|
|
|
|
bfa_fcs_rport_send_gidpn(rport, NULL);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_FAILED:
|
|
|
|
rport->ns_retries++;
|
|
|
|
if (rport->ns_retries < BFA_FCS_RPORT_MAX_RETRIES) {
|
|
|
|
bfa_sm_set_state(rport,
|
|
|
|
bfa_fcs_rport_sm_nsdisc_sending);
|
|
|
|
bfa_fcs_rport_send_gidpn(rport, NULL);
|
|
|
|
} else {
|
|
|
|
rport->pid = 0;
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
|
|
|
|
bfa_timer_start(rport->fcs->bfa, &rport->timer,
|
|
|
|
bfa_fcs_rport_timeout, rport,
|
|
|
|
bfa_fcs_rport_del_timeout);
|
|
|
|
};
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_DELETE:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
|
|
|
|
bfa_fcxp_discard(rport->fcxp);
|
|
|
|
bfa_fcs_rport_free(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_PLOGI_RCVD:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending);
|
|
|
|
bfa_fcxp_discard(rport->fcxp);
|
|
|
|
bfa_fcs_rport_send_plogiacc(rport, NULL);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_LOGO_IMP:
|
|
|
|
rport->pid = 0;
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
|
|
|
|
bfa_fcxp_discard(rport->fcxp);
|
|
|
|
bfa_timer_start(rport->fcs->bfa, &rport->timer,
|
|
|
|
bfa_fcs_rport_timeout, rport,
|
|
|
|
bfa_fcs_rport_del_timeout);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_SCN:
|
|
|
|
/**
|
|
|
|
* ignore, wait for NS query response
|
|
|
|
*/
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_LOGO_RCVD:
|
|
|
|
/**
|
|
|
|
* Not logged-in yet. Accept LOGO.
|
|
|
|
*/
|
|
|
|
bfa_fcs_rport_send_logo_acc(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case RPSM_EVENT_PLOGI_COMP:
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online);
|
|
|
|
bfa_fcxp_discard(rport->fcxp);
|
|
|
|
bfa_fcs_rport_hal_online(rport);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
2010-03-06 04:35:02 +01:00
|
|
|
bfa_sm_fault(rport->fcs, event);
|
2009-09-24 02:46:15 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* fcs_rport_private FCS RPORT provate functions
|
|
|
|
*/
|
|
|
|
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_send_plogi(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced)
|
|
|
|
{
|
|
|
|
struct bfa_fcs_rport_s *rport = rport_cbarg;
|
|
|
|
struct bfa_fcs_port_s *port = rport->port;
|
|
|
|
struct fchs_s fchs;
|
|
|
|
int len;
|
|
|
|
struct bfa_fcxp_s *fcxp;
|
|
|
|
|
|
|
|
bfa_trc(rport->fcs, rport->pwwn);
|
|
|
|
|
|
|
|
fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
|
|
|
|
if (!fcxp) {
|
|
|
|
bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe,
|
|
|
|
bfa_fcs_rport_send_plogi, rport);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
rport->fcxp = fcxp;
|
|
|
|
|
|
|
|
len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid,
|
|
|
|
bfa_fcs_port_get_fcid(port), 0,
|
|
|
|
port->port_cfg.pwwn, port->port_cfg.nwwn,
|
2010-03-06 04:37:37 +01:00
|
|
|
bfa_fcport_get_maxfrsize(port->fcs->bfa));
|
2009-09-24 02:46:15 +02:00
|
|
|
|
|
|
|
bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
|
|
|
|
FC_CLASS_3, len, &fchs, bfa_fcs_rport_plogi_response,
|
|
|
|
(void *)rport, FC_MAX_PDUSZ, FC_RA_TOV);
|
|
|
|
|
|
|
|
rport->stats.plogis++;
|
|
|
|
bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_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_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg;
|
|
|
|
struct fc_logi_s *plogi_rsp;
|
|
|
|
struct fc_ls_rjt_s *ls_rjt;
|
|
|
|
struct bfa_fcs_rport_s *twin;
|
|
|
|
struct list_head *qe;
|
|
|
|
|
|
|
|
bfa_trc(rport->fcs, rport->pwwn);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Sanity Checks
|
|
|
|
*/
|
|
|
|
if (req_status != BFA_STATUS_OK) {
|
|
|
|
bfa_trc(rport->fcs, req_status);
|
|
|
|
rport->stats.plogi_failed++;
|
|
|
|
bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
plogi_rsp = (struct fc_logi_s *) BFA_FCXP_RSP_PLD(fcxp);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Check for failure first.
|
|
|
|
*/
|
|
|
|
if (plogi_rsp->els_cmd.els_code != FC_ELS_ACC) {
|
|
|
|
ls_rjt = (struct fc_ls_rjt_s *) BFA_FCXP_RSP_PLD(fcxp);
|
|
|
|
|
|
|
|
bfa_trc(rport->fcs, ls_rjt->reason_code);
|
|
|
|
bfa_trc(rport->fcs, ls_rjt->reason_code_expl);
|
|
|
|
|
|
|
|
rport->stats.plogi_rejects++;
|
|
|
|
bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* PLOGI is complete. Make sure this device is not one of the known
|
|
|
|
* device with a new FC port address.
|
|
|
|
*/
|
|
|
|
list_for_each(qe, &rport->port->rport_q) {
|
|
|
|
twin = (struct bfa_fcs_rport_s *)qe;
|
|
|
|
if (twin == rport)
|
|
|
|
continue;
|
|
|
|
if (!rport->pwwn && (plogi_rsp->port_name == twin->pwwn)) {
|
|
|
|
bfa_trc(rport->fcs, twin->pid);
|
|
|
|
bfa_trc(rport->fcs, rport->pid);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Update plogi stats in twin
|
|
|
|
*/
|
|
|
|
twin->stats.plogis += rport->stats.plogis;
|
|
|
|
twin->stats.plogi_rejects += rport->stats.plogi_rejects;
|
|
|
|
twin->stats.plogi_timeouts +=
|
|
|
|
rport->stats.plogi_timeouts;
|
|
|
|
twin->stats.plogi_failed += rport->stats.plogi_failed;
|
|
|
|
twin->stats.plogi_rcvd += rport->stats.plogi_rcvd;
|
|
|
|
twin->stats.plogi_accs++;
|
|
|
|
|
|
|
|
bfa_fcs_rport_delete(rport);
|
|
|
|
|
|
|
|
bfa_fcs_rport_update(twin, plogi_rsp);
|
|
|
|
twin->pid = rsp_fchs->s_id;
|
|
|
|
bfa_sm_send_event(twin, RPSM_EVENT_PLOGI_COMP);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Normal login path -- no evil twins.
|
|
|
|
*/
|
|
|
|
rport->stats.plogi_accs++;
|
|
|
|
bfa_fcs_rport_update(rport, plogi_rsp);
|
|
|
|
bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_send_plogiacc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced)
|
|
|
|
{
|
|
|
|
struct bfa_fcs_rport_s *rport = rport_cbarg;
|
|
|
|
struct bfa_fcs_port_s *port = rport->port;
|
|
|
|
struct fchs_s fchs;
|
|
|
|
int len;
|
|
|
|
struct bfa_fcxp_s *fcxp;
|
|
|
|
|
|
|
|
bfa_trc(rport->fcs, rport->pwwn);
|
|
|
|
bfa_trc(rport->fcs, rport->reply_oxid);
|
|
|
|
|
|
|
|
fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
|
|
|
|
if (!fcxp) {
|
|
|
|
bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe,
|
|
|
|
bfa_fcs_rport_send_plogiacc, rport);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
rport->fcxp = fcxp;
|
|
|
|
|
|
|
|
len = fc_plogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid,
|
|
|
|
bfa_fcs_port_get_fcid(port), rport->reply_oxid,
|
|
|
|
port->port_cfg.pwwn, port->port_cfg.nwwn,
|
2010-03-06 04:37:37 +01:00
|
|
|
bfa_fcport_get_maxfrsize(port->fcs->bfa));
|
2009-09-24 02:46:15 +02:00
|
|
|
|
|
|
|
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);
|
|
|
|
|
|
|
|
bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_send_adisc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced)
|
|
|
|
{
|
|
|
|
struct bfa_fcs_rport_s *rport = rport_cbarg;
|
|
|
|
struct bfa_fcs_port_s *port = rport->port;
|
|
|
|
struct fchs_s fchs;
|
|
|
|
int len;
|
|
|
|
struct bfa_fcxp_s *fcxp;
|
|
|
|
|
|
|
|
bfa_trc(rport->fcs, rport->pwwn);
|
|
|
|
|
|
|
|
fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
|
|
|
|
if (!fcxp) {
|
|
|
|
bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe,
|
|
|
|
bfa_fcs_rport_send_adisc, rport);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
rport->fcxp = fcxp;
|
|
|
|
|
|
|
|
len = fc_adisc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid,
|
|
|
|
bfa_fcs_port_get_fcid(port), 0,
|
|
|
|
port->port_cfg.pwwn, port->port_cfg.nwwn);
|
|
|
|
|
|
|
|
bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
|
|
|
|
FC_CLASS_3, len, &fchs, bfa_fcs_rport_adisc_response,
|
|
|
|
rport, FC_MAX_PDUSZ, FC_RA_TOV);
|
|
|
|
|
|
|
|
rport->stats.adisc_sent++;
|
|
|
|
bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_adisc_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_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg;
|
|
|
|
void *pld = bfa_fcxp_get_rspbuf(fcxp);
|
|
|
|
struct fc_ls_rjt_s *ls_rjt;
|
|
|
|
|
|
|
|
if (req_status != BFA_STATUS_OK) {
|
|
|
|
bfa_trc(rport->fcs, req_status);
|
|
|
|
rport->stats.adisc_failed++;
|
|
|
|
bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (fc_adisc_rsp_parse((struct fc_adisc_s *)pld, rsp_len, rport->pwwn,
|
|
|
|
rport->nwwn) == FC_PARSE_OK) {
|
|
|
|
rport->stats.adisc_accs++;
|
|
|
|
bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
rport->stats.adisc_rejects++;
|
|
|
|
ls_rjt = pld;
|
|
|
|
bfa_trc(rport->fcs, ls_rjt->els_cmd.els_code);
|
|
|
|
bfa_trc(rport->fcs, ls_rjt->reason_code);
|
|
|
|
bfa_trc(rport->fcs, ls_rjt->reason_code_expl);
|
|
|
|
bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_send_gidpn(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced)
|
|
|
|
{
|
|
|
|
struct bfa_fcs_rport_s *rport = rport_cbarg;
|
|
|
|
struct bfa_fcs_port_s *port = rport->port;
|
|
|
|
struct fchs_s fchs;
|
|
|
|
struct bfa_fcxp_s *fcxp;
|
|
|
|
int len;
|
|
|
|
|
|
|
|
bfa_trc(rport->fcs, rport->pid);
|
|
|
|
|
|
|
|
fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
|
|
|
|
if (!fcxp) {
|
|
|
|
bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe,
|
|
|
|
bfa_fcs_rport_send_gidpn, rport);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
rport->fcxp = fcxp;
|
|
|
|
|
|
|
|
len = fc_gidpn_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
|
|
|
|
bfa_fcs_port_get_fcid(port), 0, rport->pwwn);
|
|
|
|
|
|
|
|
bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
|
|
|
|
FC_CLASS_3, len, &fchs, bfa_fcs_rport_gidpn_response,
|
|
|
|
(void *)rport, FC_MAX_PDUSZ, FC_RA_TOV);
|
|
|
|
|
|
|
|
bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_gidpn_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_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg;
|
|
|
|
struct bfa_fcs_rport_s *twin;
|
|
|
|
struct list_head *qe;
|
|
|
|
struct ct_hdr_s *cthdr;
|
|
|
|
struct fcgs_gidpn_resp_s *gidpn_rsp;
|
|
|
|
|
|
|
|
bfa_trc(rport->fcs, rport->pwwn);
|
|
|
|
|
|
|
|
cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
|
|
|
|
cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
|
|
|
|
|
|
|
|
if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
|
|
|
|
/*
|
|
|
|
* Check if the pid is the same as before.
|
|
|
|
*/
|
|
|
|
gidpn_rsp = (struct fcgs_gidpn_resp_s *) (cthdr + 1);
|
|
|
|
|
|
|
|
if (gidpn_rsp->dap == rport->pid) {
|
|
|
|
/*
|
|
|
|
* Device is online
|
|
|
|
*/
|
|
|
|
bfa_sm_send_event(rport, RPSM_EVENT_ACCEPTED);
|
|
|
|
} else {
|
|
|
|
/*
|
|
|
|
* Device's PID has changed. We need to cleanup and
|
|
|
|
* re-login. If there is another device with the the
|
|
|
|
* newly discovered pid, send an scn notice so that its
|
|
|
|
* new pid can be discovered.
|
|
|
|
*/
|
|
|
|
list_for_each(qe, &rport->port->rport_q) {
|
|
|
|
twin = (struct bfa_fcs_rport_s *)qe;
|
|
|
|
if (twin == rport)
|
|
|
|
continue;
|
|
|
|
if (gidpn_rsp->dap == twin->pid) {
|
|
|
|
bfa_trc(rport->fcs, twin->pid);
|
|
|
|
bfa_trc(rport->fcs, rport->pid);
|
|
|
|
|
|
|
|
twin->pid = 0;
|
|
|
|
bfa_sm_send_event(twin,
|
|
|
|
RPSM_EVENT_ADDRESS_CHANGE);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
rport->pid = gidpn_rsp->dap;
|
|
|
|
bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_CHANGE);
|
|
|
|
}
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Reject Response
|
|
|
|
*/
|
|
|
|
switch (cthdr->reason_code) {
|
|
|
|
case CT_RSN_LOGICAL_BUSY:
|
|
|
|
/*
|
|
|
|
* Need to retry
|
|
|
|
*/
|
|
|
|
bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case CT_RSN_UNABLE_TO_PERF:
|
|
|
|
/*
|
|
|
|
* device doesn't exist : Start timer to cleanup this later.
|
|
|
|
*/
|
|
|
|
bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
bfa_sm_send_event(rport, RPSM_EVENT_FAILED);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Called to send a logout to the rport.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_send_logo(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced)
|
|
|
|
{
|
|
|
|
struct bfa_fcs_rport_s *rport = rport_cbarg;
|
|
|
|
struct bfa_fcs_port_s *port;
|
|
|
|
struct fchs_s fchs;
|
|
|
|
struct bfa_fcxp_s *fcxp;
|
|
|
|
u16 len;
|
|
|
|
|
|
|
|
bfa_trc(rport->fcs, rport->pid);
|
|
|
|
|
|
|
|
port = rport->port;
|
|
|
|
|
|
|
|
fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
|
|
|
|
if (!fcxp) {
|
|
|
|
bfa_fcxp_alloc_wait(port->fcs->bfa, &rport->fcxp_wqe,
|
|
|
|
bfa_fcs_rport_send_logo, rport);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
rport->fcxp = fcxp;
|
|
|
|
|
|
|
|
len = fc_logo_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid,
|
|
|
|
bfa_fcs_port_get_fcid(port), 0,
|
|
|
|
bfa_fcs_port_get_pwwn(port));
|
|
|
|
|
|
|
|
bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
|
|
|
|
FC_CLASS_3, len, &fchs, NULL, rport, FC_MAX_PDUSZ,
|
|
|
|
FC_ED_TOV);
|
|
|
|
|
|
|
|
rport->stats.logos++;
|
|
|
|
bfa_fcxp_discard(rport->fcxp);
|
|
|
|
bfa_sm_send_event(rport, RPSM_EVENT_FCXP_SENT);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Send ACC for a LOGO received.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_send_logo_acc(void *rport_cbarg)
|
|
|
|
{
|
|
|
|
struct bfa_fcs_rport_s *rport = rport_cbarg;
|
|
|
|
struct bfa_fcs_port_s *port;
|
|
|
|
struct fchs_s fchs;
|
|
|
|
struct bfa_fcxp_s *fcxp;
|
|
|
|
u16 len;
|
|
|
|
|
|
|
|
bfa_trc(rport->fcs, rport->pid);
|
|
|
|
|
|
|
|
port = rport->port;
|
|
|
|
|
|
|
|
fcxp = bfa_fcs_fcxp_alloc(port->fcs);
|
|
|
|
if (!fcxp)
|
|
|
|
return;
|
|
|
|
|
|
|
|
rport->stats.logo_rcvd++;
|
|
|
|
len = fc_logo_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid,
|
|
|
|
bfa_fcs_port_get_fcid(port), rport->reply_oxid);
|
|
|
|
|
|
|
|
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);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* This routine will be called by bfa_timer on timer timeouts.
|
|
|
|
*
|
|
|
|
* param[in] rport - pointer to bfa_fcs_port_ns_t.
|
|
|
|
* param[out] rport_status - pointer to return vport status in
|
|
|
|
*
|
|
|
|
* return
|
|
|
|
* void
|
|
|
|
*
|
|
|
|
* Special Considerations:
|
|
|
|
*
|
|
|
|
* note
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_timeout(void *arg)
|
|
|
|
{
|
|
|
|
struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)arg;
|
|
|
|
|
|
|
|
rport->stats.plogi_timeouts++;
|
|
|
|
bfa_sm_send_event(rport, RPSM_EVENT_TIMEOUT);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport,
|
|
|
|
struct fchs_s *rx_fchs, u16 len)
|
|
|
|
{
|
|
|
|
struct bfa_fcxp_s *fcxp;
|
|
|
|
struct fchs_s fchs;
|
|
|
|
struct bfa_fcs_port_s *port = rport->port;
|
|
|
|
struct fc_prli_s *prli;
|
|
|
|
|
|
|
|
bfa_trc(port->fcs, rx_fchs->s_id);
|
|
|
|
bfa_trc(port->fcs, rx_fchs->d_id);
|
|
|
|
|
|
|
|
rport->stats.prli_rcvd++;
|
|
|
|
|
|
|
|
if (BFA_FCS_VPORT_IS_TARGET_MODE(port)) {
|
|
|
|
/*
|
|
|
|
* Target Mode : Let the fcptm handle it
|
|
|
|
*/
|
|
|
|
bfa_fcs_tin_rx_prli(rport->tin, rx_fchs, len);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* We are either in Initiator or ipfc Mode
|
|
|
|
*/
|
|
|
|
prli = (struct fc_prli_s *) (rx_fchs + 1);
|
|
|
|
|
|
|
|
if (prli->parampage.servparams.initiator) {
|
|
|
|
bfa_trc(rport->fcs, prli->parampage.type);
|
|
|
|
rport->scsi_function = BFA_RPORT_INITIATOR;
|
|
|
|
bfa_fcs_itnim_is_initiator(rport->itnim);
|
|
|
|
} else {
|
|
|
|
/*
|
|
|
|
* @todo: PRLI from a target ?
|
|
|
|
*/
|
|
|
|
bfa_trc(port->fcs, rx_fchs->s_id);
|
|
|
|
rport->scsi_function = BFA_RPORT_TARGET;
|
|
|
|
}
|
|
|
|
|
|
|
|
fcxp = bfa_fcs_fcxp_alloc(port->fcs);
|
|
|
|
if (!fcxp)
|
|
|
|
return;
|
|
|
|
|
|
|
|
len = fc_prli_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id,
|
|
|
|
bfa_fcs_port_get_fcid(port), rx_fchs->ox_id,
|
|
|
|
port->port_cfg.roles);
|
|
|
|
|
|
|
|
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_rport_process_rpsc(struct bfa_fcs_rport_s *rport,
|
|
|
|
struct fchs_s *rx_fchs, u16 len)
|
|
|
|
{
|
|
|
|
struct bfa_fcxp_s *fcxp;
|
|
|
|
struct fchs_s fchs;
|
|
|
|
struct bfa_fcs_port_s *port = rport->port;
|
|
|
|
struct fc_rpsc_speed_info_s speeds;
|
|
|
|
struct bfa_pport_attr_s pport_attr;
|
|
|
|
|
|
|
|
bfa_trc(port->fcs, rx_fchs->s_id);
|
|
|
|
bfa_trc(port->fcs, rx_fchs->d_id);
|
|
|
|
|
|
|
|
rport->stats.rpsc_rcvd++;
|
|
|
|
speeds.port_speed_cap =
|
|
|
|
RPSC_SPEED_CAP_1G | RPSC_SPEED_CAP_2G | RPSC_SPEED_CAP_4G |
|
|
|
|
RPSC_SPEED_CAP_8G;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* get curent speed from pport attributes from BFA
|
|
|
|
*/
|
2010-03-06 04:37:37 +01:00
|
|
|
bfa_fcport_get_attr(port->fcs->bfa, &pport_attr);
|
2009-09-24 02:46:15 +02:00
|
|
|
|
|
|
|
speeds.port_op_speed = fc_bfa_speed_to_rpsc_operspeed(pport_attr.speed);
|
|
|
|
|
|
|
|
fcxp = bfa_fcs_fcxp_alloc(port->fcs);
|
|
|
|
if (!fcxp)
|
|
|
|
return;
|
|
|
|
|
|
|
|
len = fc_rpsc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id,
|
|
|
|
bfa_fcs_port_get_fcid(port), rx_fchs->ox_id,
|
|
|
|
&speeds);
|
|
|
|
|
|
|
|
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_rport_process_adisc(struct bfa_fcs_rport_s *rport,
|
|
|
|
struct fchs_s *rx_fchs, u16 len)
|
|
|
|
{
|
|
|
|
struct bfa_fcxp_s *fcxp;
|
|
|
|
struct fchs_s fchs;
|
|
|
|
struct bfa_fcs_port_s *port = rport->port;
|
|
|
|
struct fc_adisc_s *adisc;
|
|
|
|
|
|
|
|
bfa_trc(port->fcs, rx_fchs->s_id);
|
|
|
|
bfa_trc(port->fcs, rx_fchs->d_id);
|
|
|
|
|
|
|
|
rport->stats.adisc_rcvd++;
|
|
|
|
|
|
|
|
if (BFA_FCS_VPORT_IS_TARGET_MODE(port)) {
|
|
|
|
/*
|
|
|
|
* @todo : Target Mode handling
|
|
|
|
*/
|
|
|
|
bfa_trc(port->fcs, rx_fchs->d_id);
|
|
|
|
bfa_assert(0);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
adisc = (struct fc_adisc_s *) (rx_fchs + 1);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Accept if the itnim for this rport is online. Else reject the ADISC
|
|
|
|
*/
|
|
|
|
if (bfa_fcs_itnim_get_online_state(rport->itnim) == BFA_STATUS_OK) {
|
|
|
|
|
|
|
|
fcxp = bfa_fcs_fcxp_alloc(port->fcs);
|
|
|
|
if (!fcxp)
|
|
|
|
return;
|
|
|
|
|
|
|
|
len = fc_adisc_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
|
|
|
|
rx_fchs->s_id,
|
|
|
|
bfa_fcs_port_get_fcid(port),
|
|
|
|
rx_fchs->ox_id, port->port_cfg.pwwn,
|
|
|
|
port->port_cfg.nwwn);
|
|
|
|
|
|
|
|
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);
|
|
|
|
} else {
|
|
|
|
rport->stats.adisc_rejected++;
|
|
|
|
bfa_fcs_rport_send_ls_rjt(rport, rx_fchs,
|
|
|
|
FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD,
|
|
|
|
FC_LS_RJT_EXP_LOGIN_REQUIRED);
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport)
|
|
|
|
{
|
|
|
|
struct bfa_fcs_port_s *port = rport->port;
|
|
|
|
struct bfa_rport_info_s rport_info;
|
|
|
|
|
|
|
|
rport_info.pid = rport->pid;
|
|
|
|
rport_info.local_pid = port->pid;
|
|
|
|
rport_info.lp_tag = port->lp_tag;
|
|
|
|
rport_info.vf_id = port->fabric->vf_id;
|
|
|
|
rport_info.vf_en = port->fabric->is_vf;
|
|
|
|
rport_info.fc_class = rport->fc_cos;
|
|
|
|
rport_info.cisc = rport->cisc;
|
|
|
|
rport_info.max_frmsz = rport->maxfrsize;
|
|
|
|
bfa_rport_online(rport->bfa_rport, &rport_info);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_fc4_pause(struct bfa_fcs_rport_s *rport)
|
|
|
|
{
|
|
|
|
if (bfa_fcs_port_is_initiator(rport->port))
|
|
|
|
bfa_fcs_itnim_pause(rport->itnim);
|
|
|
|
|
|
|
|
if (bfa_fcs_port_is_target(rport->port))
|
|
|
|
bfa_fcs_tin_pause(rport->tin);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_fc4_resume(struct bfa_fcs_rport_s *rport)
|
|
|
|
{
|
|
|
|
if (bfa_fcs_port_is_initiator(rport->port))
|
|
|
|
bfa_fcs_itnim_resume(rport->itnim);
|
|
|
|
|
|
|
|
if (bfa_fcs_port_is_target(rport->port))
|
|
|
|
bfa_fcs_tin_resume(rport->tin);
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct bfa_fcs_rport_s *
|
|
|
|
bfa_fcs_rport_alloc(struct bfa_fcs_port_s *port, wwn_t pwwn, u32 rpid)
|
|
|
|
{
|
|
|
|
struct bfa_fcs_s *fcs = port->fcs;
|
|
|
|
struct bfa_fcs_rport_s *rport;
|
|
|
|
struct bfad_rport_s *rport_drv;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* allocate rport
|
|
|
|
*/
|
|
|
|
if (bfa_fcb_rport_alloc(fcs->bfad, &rport, &rport_drv)
|
|
|
|
!= BFA_STATUS_OK) {
|
|
|
|
bfa_trc(fcs, rpid);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Initialize r-port
|
|
|
|
*/
|
|
|
|
rport->port = port;
|
|
|
|
rport->fcs = fcs;
|
|
|
|
rport->rp_drv = rport_drv;
|
|
|
|
rport->pid = rpid;
|
|
|
|
rport->pwwn = pwwn;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* allocate BFA rport
|
|
|
|
*/
|
|
|
|
rport->bfa_rport = bfa_rport_create(port->fcs->bfa, rport);
|
|
|
|
if (!rport->bfa_rport) {
|
|
|
|
bfa_trc(fcs, rpid);
|
|
|
|
kfree(rport_drv);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* allocate FC-4s
|
|
|
|
*/
|
|
|
|
bfa_assert(bfa_fcs_port_is_initiator(port) ^
|
|
|
|
bfa_fcs_port_is_target(port));
|
|
|
|
|
|
|
|
if (bfa_fcs_port_is_initiator(port)) {
|
|
|
|
rport->itnim = bfa_fcs_itnim_create(rport);
|
|
|
|
if (!rport->itnim) {
|
|
|
|
bfa_trc(fcs, rpid);
|
|
|
|
bfa_rport_delete(rport->bfa_rport);
|
|
|
|
kfree(rport_drv);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (bfa_fcs_port_is_target(port)) {
|
|
|
|
rport->tin = bfa_fcs_tin_create(rport);
|
|
|
|
if (!rport->tin) {
|
|
|
|
bfa_trc(fcs, rpid);
|
|
|
|
bfa_rport_delete(rport->bfa_rport);
|
|
|
|
kfree(rport_drv);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
bfa_fcs_port_add_rport(port, rport);
|
|
|
|
|
|
|
|
bfa_sm_set_state(rport, bfa_fcs_rport_sm_uninit);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Initialize the Rport Features(RPF) Sub Module
|
|
|
|
*/
|
|
|
|
if (!BFA_FCS_PID_IS_WKA(rport->pid))
|
|
|
|
bfa_fcs_rpf_init(rport);
|
|
|
|
|
|
|
|
return rport;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport)
|
|
|
|
{
|
|
|
|
struct bfa_fcs_port_s *port = rport->port;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* - delete FC-4s
|
|
|
|
* - delete BFA rport
|
|
|
|
* - remove from queue of rports
|
|
|
|
*/
|
|
|
|
if (bfa_fcs_port_is_initiator(port))
|
|
|
|
bfa_fcs_itnim_delete(rport->itnim);
|
|
|
|
|
|
|
|
if (bfa_fcs_port_is_target(port))
|
|
|
|
bfa_fcs_tin_delete(rport->tin);
|
|
|
|
|
|
|
|
bfa_rport_delete(rport->bfa_rport);
|
|
|
|
bfa_fcs_port_del_rport(port, rport);
|
|
|
|
kfree(rport->rp_drv);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_aen_post(struct bfa_fcs_rport_s *rport,
|
|
|
|
enum bfa_rport_aen_event event,
|
|
|
|
struct bfa_rport_aen_data_s *data)
|
|
|
|
{
|
|
|
|
union bfa_aen_data_u aen_data;
|
|
|
|
struct bfa_log_mod_s *logmod = rport->fcs->logm;
|
|
|
|
wwn_t lpwwn = bfa_fcs_port_get_pwwn(rport->port);
|
|
|
|
wwn_t rpwwn = rport->pwwn;
|
|
|
|
char lpwwn_ptr[BFA_STRING_32];
|
|
|
|
char rpwwn_ptr[BFA_STRING_32];
|
|
|
|
char *prio_str[] = { "unknown", "high", "medium", "low" };
|
|
|
|
|
|
|
|
wwn2str(lpwwn_ptr, lpwwn);
|
|
|
|
wwn2str(rpwwn_ptr, rpwwn);
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case BFA_RPORT_AEN_ONLINE:
|
|
|
|
case BFA_RPORT_AEN_OFFLINE:
|
|
|
|
case BFA_RPORT_AEN_DISCONNECT:
|
2010-03-06 04:37:57 +01:00
|
|
|
bfa_log(logmod, BFA_LOG_CREATE_ID(BFA_AEN_CAT_RPORT, event),
|
|
|
|
rpwwn_ptr, lpwwn_ptr);
|
2009-09-24 02:46:15 +02:00
|
|
|
break;
|
|
|
|
case BFA_RPORT_AEN_QOS_PRIO:
|
|
|
|
aen_data.rport.priv.qos = data->priv.qos;
|
|
|
|
bfa_log(logmod, BFA_AEN_RPORT_QOS_PRIO,
|
|
|
|
prio_str[aen_data.rport.priv.qos.qos_priority],
|
|
|
|
rpwwn_ptr, lpwwn_ptr);
|
|
|
|
break;
|
|
|
|
case BFA_RPORT_AEN_QOS_FLOWID:
|
|
|
|
aen_data.rport.priv.qos = data->priv.qos;
|
|
|
|
bfa_log(logmod, BFA_AEN_RPORT_QOS_FLOWID,
|
|
|
|
aen_data.rport.priv.qos.qos_flow_id, rpwwn_ptr,
|
|
|
|
lpwwn_ptr);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
aen_data.rport.vf_id = rport->port->fabric->vf_id;
|
|
|
|
aen_data.rport.ppwwn =
|
|
|
|
bfa_fcs_port_get_pwwn(bfa_fcs_get_base_port(rport->fcs));
|
|
|
|
aen_data.rport.lpwwn = lpwwn;
|
|
|
|
aen_data.rport.rpwwn = rpwwn;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_online_action(struct bfa_fcs_rport_s *rport)
|
|
|
|
{
|
|
|
|
struct bfa_fcs_port_s *port = rport->port;
|
|
|
|
|
|
|
|
rport->stats.onlines++;
|
|
|
|
|
|
|
|
if (bfa_fcs_port_is_initiator(port)) {
|
|
|
|
bfa_fcs_itnim_rport_online(rport->itnim);
|
|
|
|
if (!BFA_FCS_PID_IS_WKA(rport->pid))
|
|
|
|
bfa_fcs_rpf_rport_online(rport);
|
|
|
|
};
|
|
|
|
|
|
|
|
if (bfa_fcs_port_is_target(port))
|
|
|
|
bfa_fcs_tin_rport_online(rport->tin);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Don't post events for well known addresses
|
|
|
|
*/
|
|
|
|
if (!BFA_FCS_PID_IS_WKA(rport->pid))
|
|
|
|
bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_ONLINE, NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_offline_action(struct bfa_fcs_rport_s *rport)
|
|
|
|
{
|
|
|
|
struct bfa_fcs_port_s *port = rport->port;
|
|
|
|
|
|
|
|
rport->stats.offlines++;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Don't post events for well known addresses
|
|
|
|
*/
|
|
|
|
if (!BFA_FCS_PID_IS_WKA(rport->pid)) {
|
|
|
|
if (bfa_fcs_port_is_online(rport->port) == BFA_TRUE) {
|
|
|
|
bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_DISCONNECT,
|
|
|
|
NULL);
|
|
|
|
} else {
|
|
|
|
bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_OFFLINE,
|
|
|
|
NULL);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (bfa_fcs_port_is_initiator(port)) {
|
|
|
|
bfa_fcs_itnim_rport_offline(rport->itnim);
|
|
|
|
if (!BFA_FCS_PID_IS_WKA(rport->pid))
|
|
|
|
bfa_fcs_rpf_rport_offline(rport);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (bfa_fcs_port_is_target(port))
|
|
|
|
bfa_fcs_tin_rport_offline(rport->tin);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Update rport parameters from PLOGI or PLOGI accept.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, struct fc_logi_s *plogi)
|
|
|
|
{
|
|
|
|
struct bfa_fcs_port_s *port = rport->port;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* - port name
|
|
|
|
* - node name
|
|
|
|
*/
|
|
|
|
rport->pwwn = plogi->port_name;
|
|
|
|
rport->nwwn = plogi->node_name;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* - class of service
|
|
|
|
*/
|
|
|
|
rport->fc_cos = 0;
|
|
|
|
if (plogi->class3.class_valid)
|
|
|
|
rport->fc_cos = FC_CLASS_3;
|
|
|
|
|
|
|
|
if (plogi->class2.class_valid)
|
|
|
|
rport->fc_cos |= FC_CLASS_2;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* - CISC
|
|
|
|
* - MAX receive frame size
|
|
|
|
*/
|
|
|
|
rport->cisc = plogi->csp.cisc;
|
|
|
|
rport->maxfrsize = bfa_os_ntohs(plogi->class3.rxsz);
|
|
|
|
|
|
|
|
bfa_trc(port->fcs, bfa_os_ntohs(plogi->csp.bbcred));
|
|
|
|
bfa_trc(port->fcs, port->fabric->bb_credit);
|
|
|
|
/**
|
|
|
|
* Direct Attach P2P mode :
|
|
|
|
* This is to handle a bug (233476) in IBM targets in Direct Attach
|
|
|
|
* Mode. Basically, in FLOGI Accept the target would have erroneously
|
|
|
|
* set the BB Credit to the value used in the FLOGI sent by the HBA.
|
|
|
|
* It uses the correct value (its own BB credit) in PLOGI.
|
|
|
|
*/
|
|
|
|
if ((!bfa_fcs_fabric_is_switched(port->fabric))
|
|
|
|
&& (bfa_os_ntohs(plogi->csp.bbcred) < port->fabric->bb_credit)) {
|
|
|
|
|
|
|
|
bfa_trc(port->fcs, bfa_os_ntohs(plogi->csp.bbcred));
|
|
|
|
bfa_trc(port->fcs, port->fabric->bb_credit);
|
|
|
|
|
|
|
|
port->fabric->bb_credit = bfa_os_ntohs(plogi->csp.bbcred);
|
2010-03-06 04:37:37 +01:00
|
|
|
bfa_fcport_set_tx_bbcredit(port->fcs->bfa,
|
2009-09-24 02:46:15 +02:00
|
|
|
port->fabric->bb_credit);
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Called to handle LOGO received from an existing remote port.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
bfa_fcs_rport_process_logo(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs)
|
|
|
|
{
|
|
|
|
rport->reply_oxid = fchs->ox_id;
|
|
|
|
bfa_trc(rport->fcs, rport->reply_oxid);
|
|
|
|
|
|
|
|
rport->stats.logo_rcvd++;
|
|
|
|
bfa_sm_send_event(rport, RPSM_EVENT_LOGO_RCVD);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* fcs_rport_public FCS rport public interfaces
|
|
|
|
*/
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Called by bport/vport to create a remote port instance for a discovered
|
|
|
|
* remote device.
|
|
|
|
*
|
|
|
|
* @param[in] port - base port or vport
|
|
|
|
* @param[in] rpid - remote port ID
|
|
|
|
*
|
|
|
|
* @return None
|
|
|
|
*/
|
|
|
|
struct bfa_fcs_rport_s *
|
|
|
|
bfa_fcs_rport_create(struct bfa_fcs_port_s *port, u32 rpid)
|
|
|
|
{
|
|
|
|
struct bfa_fcs_rport_s *rport;
|
|
|
|
|
|
|
|
bfa_trc(port->fcs, rpid);
|
|
|
|
rport = bfa_fcs_rport_alloc(port, WWN_NULL, rpid);
|
|
|
|
if (!rport)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND);
|
|
|
|
return rport;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Called to create a rport for which only the wwn is known.
|
|
|
|
*
|
|
|
|
* @param[in] port - base port
|
|
|
|
* @param[in] rpwwn - remote port wwn
|
|
|
|
*
|
|
|
|
* @return None
|
|
|
|
*/
|
|
|
|
struct bfa_fcs_rport_s *
|
|
|
|
bfa_fcs_rport_create_by_wwn(struct bfa_fcs_port_s *port, wwn_t rpwwn)
|
|
|
|
{
|
|
|
|
struct bfa_fcs_rport_s *rport;
|
|
|
|
|
|
|
|
bfa_trc(port->fcs, rpwwn);
|
|
|
|
rport = bfa_fcs_rport_alloc(port, rpwwn, 0);
|
|
|
|
if (!rport)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
bfa_sm_send_event(rport, RPSM_EVENT_ADDRESS_DISC);
|
|
|
|
return rport;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Called by bport in private loop topology to indicate that a
|
|
|
|
* rport has been discovered and plogi has been completed.
|
|
|
|
*
|
|
|
|
* @param[in] port - base port or vport
|
|
|
|
* @param[in] rpid - remote port ID
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
bfa_fcs_rport_start(struct bfa_fcs_port_s *port, struct fchs_s *fchs,
|
|
|
|
struct fc_logi_s *plogi)
|
|
|
|
{
|
|
|
|
struct bfa_fcs_rport_s *rport;
|
|
|
|
|
|
|
|
rport = bfa_fcs_rport_alloc(port, WWN_NULL, fchs->s_id);
|
|
|
|
if (!rport)
|
|
|
|
return;
|
|
|
|
|
|
|
|
bfa_fcs_rport_update(rport, plogi);
|
|
|
|
|
|
|
|
bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_COMP);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Called by bport/vport to handle PLOGI received from a new remote port.
|
|
|
|
* If an existing rport does a plogi, it will be handled separately.
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
bfa_fcs_rport_plogi_create(struct bfa_fcs_port_s *port, struct fchs_s *fchs,
|
|
|
|
struct fc_logi_s *plogi)
|
|
|
|
{
|
|
|
|
struct bfa_fcs_rport_s *rport;
|
|
|
|
|
|
|
|
rport = bfa_fcs_rport_alloc(port, plogi->port_name, fchs->s_id);
|
|
|
|
if (!rport)
|
|
|
|
return;
|
|
|
|
|
|
|
|
bfa_fcs_rport_update(rport, plogi);
|
|
|
|
|
|
|
|
rport->reply_oxid = fchs->ox_id;
|
|
|
|
bfa_trc(rport->fcs, rport->reply_oxid);
|
|
|
|
|
|
|
|
rport->stats.plogi_rcvd++;
|
|
|
|
bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
wwn_compare(wwn_t wwn1, wwn_t wwn2)
|
|
|
|
{
|
|
|
|
u8 *b1 = (u8 *) &wwn1;
|
|
|
|
u8 *b2 = (u8 *) &wwn2;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < sizeof(wwn_t); i++) {
|
|
|
|
if (b1[i] < b2[i])
|
|
|
|
return -1;
|
|
|
|
if (b1[i] > b2[i])
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Called by bport/vport to handle PLOGI received from an existing
|
|
|
|
* remote port.
|
|
|
|
*/
|
|
|
|
void
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bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs,
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struct fc_logi_s *plogi)
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{
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/**
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* @todo Handle P2P and initiator-initiator.
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*/
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bfa_fcs_rport_update(rport, plogi);
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rport->reply_oxid = rx_fchs->ox_id;
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bfa_trc(rport->fcs, rport->reply_oxid);
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/**
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* In Switched fabric topology,
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* PLOGI to each other. If our pwwn is smaller, ignore it,
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* if it is not a well known address.
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* If the link topology is N2N,
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* this Plogi should be accepted.
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*/
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if ((wwn_compare(rport->port->port_cfg.pwwn, rport->pwwn) == -1)
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&& (bfa_fcs_fabric_is_switched(rport->port->fabric))
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&& (!BFA_FCS_PID_IS_WKA(rport->pid))) {
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bfa_trc(rport->fcs, rport->pid);
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return;
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}
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rport->stats.plogi_rcvd++;
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bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD);
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}
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/**
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* Called by bport/vport to delete a remote port instance.
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*
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* Rport delete is called under the following conditions:
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* - vport is deleted
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* - vf is deleted
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* - explicit request from OS to delete rport (vmware)
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*/
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void
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bfa_fcs_rport_delete(struct bfa_fcs_rport_s *rport)
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{
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bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
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}
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/**
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* Called by bport/vport to when a target goes offline.
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*
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*/
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void
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bfa_fcs_rport_offline(struct bfa_fcs_rport_s *rport)
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{
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bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP);
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}
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/**
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* Called by bport in n2n when a target (attached port) becomes online.
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*
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*/
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void
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bfa_fcs_rport_online(struct bfa_fcs_rport_s *rport)
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{
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bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND);
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}
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/**
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* Called by bport/vport to notify SCN for the remote port
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*/
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void
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bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport)
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{
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rport->stats.rscns++;
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bfa_sm_send_event(rport, RPSM_EVENT_SCN);
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}
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/**
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* Called by fcpim to notify that the ITN cleanup is done.
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*/
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void
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bfa_fcs_rport_itnim_ack(struct bfa_fcs_rport_s *rport)
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{
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bfa_sm_send_event(rport, RPSM_EVENT_FC4_OFFLINE);
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}
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/**
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* Called by fcptm to notify that the ITN cleanup is done.
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*/
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void
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bfa_fcs_rport_tin_ack(struct bfa_fcs_rport_s *rport)
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{
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bfa_sm_send_event(rport, RPSM_EVENT_FC4_OFFLINE);
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}
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/**
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* This routine BFA callback for bfa_rport_online() call.
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*
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* param[in] cb_arg - rport struct.
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*
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* return
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* void
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*
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* Special Considerations:
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*
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* note
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*/
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void
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bfa_cb_rport_online(void *cbarg)
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{
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struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg;
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bfa_trc(rport->fcs, rport->pwwn);
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bfa_sm_send_event(rport, RPSM_EVENT_HCB_ONLINE);
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}
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/**
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* This routine BFA callback for bfa_rport_offline() call.
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*
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* param[in] rport -
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*
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* return
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* void
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*
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* Special Considerations:
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*
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* note
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*/
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void
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bfa_cb_rport_offline(void *cbarg)
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{
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struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg;
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bfa_trc(rport->fcs, rport->pwwn);
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bfa_sm_send_event(rport, RPSM_EVENT_HCB_OFFLINE);
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}
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/**
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* This routine is a static BFA callback when there is a QoS flow_id
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* change notification
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*
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* @param[in] rport -
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*
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* @return void
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*
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* Special Considerations:
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*
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* @note
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*/
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void
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bfa_cb_rport_qos_scn_flowid(void *cbarg,
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struct bfa_rport_qos_attr_s old_qos_attr,
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struct bfa_rport_qos_attr_s new_qos_attr)
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{
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struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg;
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struct bfa_rport_aen_data_s aen_data;
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bfa_trc(rport->fcs, rport->pwwn);
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aen_data.priv.qos = new_qos_attr;
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bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_QOS_FLOWID, &aen_data);
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}
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/**
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* This routine is a static BFA callback when there is a QoS priority
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* change notification
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*
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* @param[in] rport -
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*
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* @return void
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*
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* Special Considerations:
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*
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* @note
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*/
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void
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bfa_cb_rport_qos_scn_prio(void *cbarg, struct bfa_rport_qos_attr_s old_qos_attr,
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struct bfa_rport_qos_attr_s new_qos_attr)
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{
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struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg;
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struct bfa_rport_aen_data_s aen_data;
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bfa_trc(rport->fcs, rport->pwwn);
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aen_data.priv.qos = new_qos_attr;
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bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_QOS_PRIO, &aen_data);
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}
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/**
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* Called to process any unsolicted frames from this remote port
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*/
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void
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bfa_fcs_rport_logo_imp(struct bfa_fcs_rport_s *rport)
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{
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bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP);
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}
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/**
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* Called to process any unsolicted frames from this remote port
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*/
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void
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bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs,
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u16 len)
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{
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struct bfa_fcs_port_s *port = rport->port;
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struct fc_els_cmd_s *els_cmd;
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bfa_trc(rport->fcs, fchs->s_id);
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bfa_trc(rport->fcs, fchs->d_id);
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bfa_trc(rport->fcs, fchs->type);
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if (fchs->type != FC_TYPE_ELS)
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return;
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els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
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bfa_trc(rport->fcs, els_cmd->els_code);
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switch (els_cmd->els_code) {
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case FC_ELS_LOGO:
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|
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bfa_fcs_rport_process_logo(rport, fchs);
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break;
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case FC_ELS_ADISC:
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bfa_fcs_rport_process_adisc(rport, fchs, len);
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break;
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case FC_ELS_PRLO:
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if (bfa_fcs_port_is_initiator(port))
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bfa_fcs_fcpim_uf_recv(rport->itnim, fchs, len);
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if (bfa_fcs_port_is_target(port))
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bfa_fcs_fcptm_uf_recv(rport->tin, fchs, len);
|
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|
break;
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case FC_ELS_PRLI:
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bfa_fcs_rport_process_prli(rport, fchs, len);
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break;
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case FC_ELS_RPSC:
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bfa_fcs_rport_process_rpsc(rport, fchs, len);
|
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break;
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default:
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bfa_fcs_rport_send_ls_rjt(rport, fchs,
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|
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FC_LS_RJT_RSN_CMD_NOT_SUPP,
|
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|
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FC_LS_RJT_EXP_NO_ADDL_INFO);
|
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|
|
break;
|
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|
|
}
|
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|
|
}
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|
|
|
|
/*
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|
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* Send a LS reject
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*/
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static void
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bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs,
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|
|
u8 reason_code, u8 reason_code_expl)
|
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|
|
{
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|
|
struct bfa_fcs_port_s *port = rport->port;
|
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|
|
struct fchs_s fchs;
|
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|
|
struct bfa_fcxp_s *fcxp;
|
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|
|
int len;
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bfa_trc(rport->fcs, rx_fchs->s_id);
|
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|
fcxp = bfa_fcs_fcxp_alloc(rport->fcs);
|
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|
|
if (!fcxp)
|
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|
|
return;
|
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|
|
|
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|
|
len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id,
|
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|
|
bfa_fcs_port_get_fcid(port), rx_fchs->ox_id,
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|
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reason_code, reason_code_expl);
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|
|
bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
|
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|
|
FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0);
|
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|
}
|
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|
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/**
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|
|
* Return state of rport.
|
|
|
|
*/
|
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|
|
int
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|
|
bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport)
|
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|
|
{
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|
|
return bfa_sm_to_state(rport_sm_table, rport->sm);
|
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|
|
}
|
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|
|
|
|
|
|
/**
|
|
|
|
* Called by the Driver to set rport delete/ageout timeout
|
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|
|
*
|
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|
|
* param[in] rport timeout value in seconds.
|
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|
|
*
|
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|
|
* return None
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|
*/
|
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|
|
void
|
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|
|
bfa_fcs_rport_set_del_timeout(u8 rport_tmo)
|
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|
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{
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|
|
/*
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|
|
|
* convert to Millisecs
|
|
|
|
*/
|
|
|
|
if (rport_tmo > 0)
|
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|
|
bfa_fcs_rport_del_timeout = rport_tmo * 1000;
|
|
|
|
}
|