diff options
Diffstat (limited to 'drivers/scsi/bfa/rport.c')
| -rw-r--r-- | drivers/scsi/bfa/rport.c | 2606 |
1 files changed, 0 insertions, 2606 deletions
diff --git a/drivers/scsi/bfa/rport.c b/drivers/scsi/bfa/rport.c deleted file mode 100644 index 7b096f2e3836..000000000000 --- a/drivers/scsi/bfa/rport.c +++ /dev/null @@ -1,2606 +0,0 @@ -/* - * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - * - * Linux driver for Brocade Fibre Channel Host Bus Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ - -/** - * rport.c Remote port implementation. - */ - -#include <linux/slab.h> -#include <bfa.h> -#include <bfa_svc.h> -#include "fcbuild.h" -#include "fcs_vport.h" -#include "fcs_lport.h" -#include "fcs_rport.h" -#include "fcs_fcpim.h" -#include "fcs_fcptm.h" -#include "fcs_trcmod.h" -#include "fcs_fcxp.h" -#include "fcs.h" -#include <fcb/bfa_fcb_rport.h> -#include <aen/bfa_aen_rport.h> - -BFA_TRC_FILE(FCS, RPORT); - -#define BFA_FCS_RPORT_MAX_RETRIES (5) - -/* In millisecs */ -static u32 bfa_fcs_rport_del_timeout = - BFA_FCS_RPORT_DEF_DEL_TIMEOUT * 1000; - -/* - * forward declarations - */ -static struct bfa_fcs_rport_s *bfa_fcs_rport_alloc(struct bfa_fcs_port_s *port, - wwn_t pwwn, u32 rpid); -static void bfa_fcs_rport_free(struct bfa_fcs_rport_s *rport); -static void bfa_fcs_rport_hal_online(struct bfa_fcs_rport_s *rport); -static void bfa_fcs_rport_online_action(struct bfa_fcs_rport_s *rport); -static void bfa_fcs_rport_offline_action(struct bfa_fcs_rport_s *rport); -static void bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, - struct fc_logi_s *plogi); -static void bfa_fcs_rport_fc4_pause(struct bfa_fcs_rport_s *rport); -static void bfa_fcs_rport_fc4_resume(struct bfa_fcs_rport_s *rport); -static void bfa_fcs_rport_timeout(void *arg); -static void bfa_fcs_rport_send_plogi(void *rport_cbarg, - struct bfa_fcxp_s *fcxp_alloced); -static void bfa_fcs_rport_send_plogiacc(void *rport_cbarg, - struct bfa_fcxp_s *fcxp_alloced); -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); -static void bfa_fcs_rport_send_adisc(void *rport_cbarg, - struct bfa_fcxp_s *fcxp_alloced); -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); -static void bfa_fcs_rport_send_gidpn(void *rport_cbarg, - struct bfa_fcxp_s *fcxp_alloced); -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); -static void bfa_fcs_rport_send_logo(void *rport_cbarg, - struct bfa_fcxp_s *fcxp_alloced); -static void bfa_fcs_rport_send_logo_acc(void *rport_cbarg); -static void bfa_fcs_rport_process_prli(struct bfa_fcs_rport_s *rport, - struct fchs_s *rx_fchs, u16 len); -static void bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, - struct fchs_s *rx_fchs, u8 reason_code, - u8 reason_code_expl); -static void bfa_fcs_rport_process_adisc(struct bfa_fcs_rport_s *rport, - struct fchs_s *rx_fchs, u16 len); -/** - * fcs_rport_sm FCS rport state machine events - */ - -enum rport_event { - RPSM_EVENT_PLOGI_SEND = 1, /* new rport; start with PLOGI */ - RPSM_EVENT_PLOGI_RCVD = 2, /* Inbound PLOGI from remote port */ - RPSM_EVENT_PLOGI_COMP = 3, /* PLOGI completed to rport */ - RPSM_EVENT_LOGO_RCVD = 4, /* LOGO from remote device */ - RPSM_EVENT_LOGO_IMP = 5, /* implicit logo for SLER */ - RPSM_EVENT_FCXP_SENT = 6, /* Frame from has been sent */ - RPSM_EVENT_DELETE = 7, /* RPORT delete request */ - RPSM_EVENT_SCN = 8, /* state change notification */ - RPSM_EVENT_ACCEPTED = 9,/* Good response from remote device */ - RPSM_EVENT_FAILED = 10, /* Request to rport failed. */ - RPSM_EVENT_TIMEOUT = 11, /* Rport SM timeout event */ - RPSM_EVENT_HCB_ONLINE = 12, /* BFA rport online callback */ - RPSM_EVENT_HCB_OFFLINE = 13, /* BFA rport offline callback */ - RPSM_EVENT_FC4_OFFLINE = 14, /* FC-4 offline complete */ - RPSM_EVENT_ADDRESS_CHANGE = 15, /* Rport's PID has changed */ - RPSM_EVENT_ADDRESS_DISC = 16 /* Need to Discover rport's PID */ -}; - -static void bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, - enum rport_event event); -static void bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport, - enum rport_event event); -static void bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport, - enum rport_event event); -static void bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport, - enum rport_event event); -static void bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, - enum rport_event event); -static void bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport, - enum rport_event event); -static void bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, - enum rport_event event); -static void bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport, - enum rport_event event); -static void bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, - enum rport_event event); -static void bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport, - enum rport_event event); -static void bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, - enum rport_event event); -static void bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport, - enum rport_event event); -static void bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport, - enum rport_event event); -static void bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport, - enum rport_event event); -static void bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport, - enum rport_event event); -static void bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport, - enum rport_event event); -static void bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport, - enum rport_event event); -static void bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport, - enum rport_event event); -static void bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, - enum rport_event event); -static void bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport, - enum rport_event event); -static void bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport, - enum rport_event event); -static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, - enum rport_event event); -static void bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport, - enum rport_event event); - -static struct bfa_sm_table_s rport_sm_table[] = { - {BFA_SM(bfa_fcs_rport_sm_uninit), BFA_RPORT_UNINIT}, - {BFA_SM(bfa_fcs_rport_sm_plogi_sending), BFA_RPORT_PLOGI}, - {BFA_SM(bfa_fcs_rport_sm_plogiacc_sending), BFA_RPORT_ONLINE}, - {BFA_SM(bfa_fcs_rport_sm_plogi_retry), BFA_RPORT_PLOGI_RETRY}, - {BFA_SM(bfa_fcs_rport_sm_plogi), BFA_RPORT_PLOGI}, - {BFA_SM(bfa_fcs_rport_sm_hal_online), BFA_RPORT_ONLINE}, - {BFA_SM(bfa_fcs_rport_sm_online), BFA_RPORT_ONLINE}, - {BFA_SM(bfa_fcs_rport_sm_nsquery_sending), BFA_RPORT_NSQUERY}, - {BFA_SM(bfa_fcs_rport_sm_nsquery), BFA_RPORT_NSQUERY}, - {BFA_SM(bfa_fcs_rport_sm_adisc_sending), BFA_RPORT_ADISC}, - {BFA_SM(bfa_fcs_rport_sm_adisc), BFA_RPORT_ADISC}, - {BFA_SM(bfa_fcs_rport_sm_fc4_logorcv), BFA_RPORT_LOGORCV}, - {BFA_SM(bfa_fcs_rport_sm_fc4_logosend), BFA_RPORT_LOGO}, - {BFA_SM(bfa_fcs_rport_sm_fc4_offline), BFA_RPORT_OFFLINE}, - {BFA_SM(bfa_fcs_rport_sm_hcb_offline), BFA_RPORT_OFFLINE}, - {BFA_SM(bfa_fcs_rport_sm_hcb_logorcv), BFA_RPORT_LOGORCV}, - {BFA_SM(bfa_fcs_rport_sm_hcb_logosend), BFA_RPORT_LOGO}, - {BFA_SM(bfa_fcs_rport_sm_logo_sending), BFA_RPORT_LOGO}, - {BFA_SM(bfa_fcs_rport_sm_offline), BFA_RPORT_OFFLINE}, - {BFA_SM(bfa_fcs_rport_sm_nsdisc_sending), BFA_RPORT_NSDISC}, - {BFA_SM(bfa_fcs_rport_sm_nsdisc_retry), BFA_RPORT_NSDISC}, - {BFA_SM(bfa_fcs_rport_sm_nsdisc_sent), BFA_RPORT_NSDISC}, -}; - -/** - * Beginning state. - */ -static void -bfa_fcs_rport_sm_uninit(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_PLOGI_SEND: - bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogi_sending); - rport->plogi_retries = 0; - bfa_fcs_rport_send_plogi(rport, NULL); - break; - - case RPSM_EVENT_PLOGI_RCVD: - bfa_sm_set_state(rport, bfa_fcs_rport_sm_plogiacc_sending); - bfa_fcs_rport_send_plogiacc(rport, NULL); - break; - - case RPSM_EVENT_PLOGI_COMP: - bfa_sm_set_state(rport, bfa_fcs_rport_sm_hal_online); - bfa_fcs_rport_hal_online(rport); - break; - - case RPSM_EVENT_ADDRESS_CHANGE: - case RPSM_EVENT_ADDRESS_DISC: - bfa_sm_set_state(rport, bfa_fcs_rport_sm_nsdisc_sending); - rport->ns_retries = 0; - bfa_fcs_rport_send_gidpn(rport, NULL); - break; - - default: - bfa_sm_fault(rport->fcs, event); - } -} - -/** - * PLOGI is being sent. - */ -static void -bfa_fcs_rport_sm_plogi_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_plogi); - 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_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_SCN: - break; - - default: - bfa_sm_fault(rport->fcs, event); - } -} - -/** - * 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: - bfa_sm_fault(rport->fcs, event); - } -} - -/** - * 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: - bfa_sm_fault(rport->fcs, event); - } -} - -/** - * 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: - bfa_sm_fault(rport->fcs, event); - } -} - -/** - * 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: - bfa_sm_fault(rport->fcs, event); - } -} - -/** - * 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: - bfa_sm_fault(rport->fcs, event); - } -} - -/** - * 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: - bfa_sm_fault(rport->fcs, event); - } -} - -/** - * 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: - bfa_sm_fault(rport->fcs, event); - } -} - -/** - * 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: - bfa_sm_fault(rport->fcs, event); - } -} - -/** - * 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: - bfa_sm_fault(rport->fcs, event); - } -} - -/** - * 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: - bfa_sm_fault(rport->fcs, event); - } -} - -/** - * 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: - bfa_sm_fault(rport->fcs, event); - } -} - -/** - * 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: - bfa_sm_fault(rport->fcs, event); - } -} - -/** - * 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)) { - 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); - } - } 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: - bfa_sm_fault(rport->fcs, event); - } -} - -/** - * 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: - bfa_sm_fault(rport->fcs, event); - } -} - -/** - * 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: - bfa_sm_fault(rport->fcs, event); - } -} - -/** - * 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: - bfa_sm_fault(rport->fcs, event); - } -} - -/** - * 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: - bfa_sm_fault(rport->fcs, event); - } -} - -/** - * 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: - bfa_sm_fault(rport->fcs, event); - } -} - -/** - * 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: - bfa_sm_fault(rport->fcs, event); - } -} - -/** - * 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: - bfa_sm_fault(rport->fcs, event); - } -} - - - -/** - * 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, - bfa_fcport_get_maxfrsize(port->fcs->bfa)); - - 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, - bfa_fcport_get_maxfrsize(port->fcs->bfa)); - - 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 - */ - bfa_fcport_get_attr(port->fcs->bfa, &pport_attr); - - 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: - bfa_log(logmod, BFA_LOG_CREATE_ID(BFA_AEN_CAT_RPORT, event), - rpwwn_ptr, lpwwn_ptr); - 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); - bfa_fcport_set_tx_bbcredit(port->fcs->bfa, - 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 -bfa_fcs_rport_plogi(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, - struct fc_logi_s *plogi) -{ - /** - * @todo Handle P2P and initiator-initiator. - */ - - bfa_fcs_rport_update(rport, plogi); - - rport->reply_oxid = rx_fchs->ox_id; - bfa_trc(rport->fcs, rport->reply_oxid); - - /** - * In Switched fabric topology, - * PLOGI to each other. If our pwwn is smaller, ignore it, - * if it is not a well known address. - * If the link topology is N2N, - * this Plogi should be accepted. - */ - if ((wwn_compare(rport->port->port_cfg.pwwn, rport->pwwn) == -1) - && (bfa_fcs_fabric_is_switched(rport->port->fabric)) - && (!BFA_FCS_PID_IS_WKA(rport->pid))) { - bfa_trc(rport->fcs, rport->pid); - return; - } - - rport->stats.plogi_rcvd++; - bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_RCVD); -} - -/** - * Called by bport/vport to delete a remote port instance. - * -* Rport delete is called under the following conditions: - * - vport is deleted - * - vf is deleted - * - explicit request from OS to delete rport (vmware) - */ -void -bfa_fcs_rport_delete(struct bfa_fcs_rport_s *rport) -{ - bfa_sm_send_event(rport, RPSM_EVENT_DELETE); -} - -/** - * Called by bport/vport to when a target goes offline. - * - */ -void -bfa_fcs_rport_offline(struct bfa_fcs_rport_s *rport) -{ - bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP); -} - -/** - * Called by bport in n2n when a target (attached port) becomes online. - * - */ -void -bfa_fcs_rport_online(struct bfa_fcs_rport_s *rport) -{ - bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND); -} - -/** - * Called by bport/vport to notify SCN for the remote port - */ -void -bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport) -{ - - rport->stats.rscns++; - bfa_sm_send_event(rport, RPSM_EVENT_SCN); -} - -/** - * Called by fcpim to notify that the ITN cleanup is done. - */ -void -bfa_fcs_rport_itnim_ack(struct bfa_fcs_rport_s *rport) -{ - bfa_sm_send_event(rport, RPSM_EVENT_FC4_OFFLINE); -} - -/** - * Called by fcptm to notify that the ITN cleanup is done. - */ -void -bfa_fcs_rport_tin_ack(struct bfa_fcs_rport_s *rport) -{ - bfa_sm_send_event(rport, RPSM_EVENT_FC4_OFFLINE); -} - -/** - * This routine BFA callback for bfa_rport_online() call. - * - * param[in] cb_arg - rport struct. - * - * return - * void - * -* Special Considerations: - * - * note - */ -void -bfa_cb_rport_online(void *cbarg) -{ - - struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; - - bfa_trc(rport->fcs, rport->pwwn); - bfa_sm_send_event(rport, RPSM_EVENT_HCB_ONLINE); -} - -/** - * This routine BFA callback for bfa_rport_offline() call. - * - * param[in] rport - - * - * return - * void - * - * Special Considerations: - * - * note - */ -void -bfa_cb_rport_offline(void *cbarg) -{ - struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; - - bfa_trc(rport->fcs, rport->pwwn); - bfa_sm_send_event(rport, RPSM_EVENT_HCB_OFFLINE); -} - -/** - * This routine is a static BFA callback when there is a QoS flow_id - * change notification - * - * @param[in] rport - - * - * @return void - * - * Special Considerations: - * - * @note - */ -void -bfa_cb_rport_qos_scn_flowid(void *cbarg, - struct bfa_rport_qos_attr_s old_qos_attr, - struct bfa_rport_qos_attr_s new_qos_attr) -{ - struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; - struct bfa_rport_aen_data_s aen_data; - - bfa_trc(rport->fcs, rport->pwwn); - aen_data.priv.qos = new_qos_attr; - bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_QOS_FLOWID, &aen_data); -} - -/** - * This routine is a static BFA callback when there is a QoS priority - * change notification - * - * @param[in] rport - - * - * @return void - * - * Special Considerations: - * - * @note - */ -void -bfa_cb_rport_qos_scn_prio(void *cbarg, struct bfa_rport_qos_attr_s old_qos_attr, - struct bfa_rport_qos_attr_s new_qos_attr) -{ - struct bfa_fcs_rport_s *rport = (struct bfa_fcs_rport_s *)cbarg; - struct bfa_rport_aen_data_s aen_data; - - bfa_trc(rport->fcs, rport->pwwn); - aen_data.priv.qos = new_qos_attr; - bfa_fcs_rport_aen_post(rport, BFA_RPORT_AEN_QOS_PRIO, &aen_data); -} - -/** - * Called to process any unsolicted frames from this remote port - */ -void -bfa_fcs_rport_logo_imp(struct bfa_fcs_rport_s *rport) -{ - bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP); -} - -/** - * Called to process any unsolicted frames from this remote port - */ -void -bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs, - u16 len) -{ - struct bfa_fcs_port_s *port = rport->port; - struct fc_els_cmd_s *els_cmd; - - bfa_trc(rport->fcs, fchs->s_id); - bfa_trc(rport->fcs, fchs->d_id); - bfa_trc(rport->fcs, fchs->type); - - if (fchs->type != FC_TYPE_ELS) - return; - - els_cmd = (struct fc_els_cmd_s *) (fchs + 1); - - bfa_trc(rport->fcs, els_cmd->els_code); - - switch (els_cmd->els_code) { - case FC_ELS_LOGO: - bfa_fcs_rport_process_logo(rport, fchs); - break; - - case FC_ELS_ADISC: - bfa_fcs_rport_process_adisc(rport, fchs, len); - break; - - case FC_ELS_PRLO: - if (bfa_fcs_port_is_initiator(port)) - bfa_fcs_fcpim_uf_recv(rport->itnim, fchs, len); - - if (bfa_fcs_port_is_target(port)) - bfa_fcs_fcptm_uf_recv(rport->tin, fchs, len); - break; - - case FC_ELS_PRLI: - bfa_fcs_rport_process_prli(rport, fchs, len); - break; - - case FC_ELS_RPSC: - bfa_fcs_rport_process_rpsc(rport, fchs, len); - break; - - default: - bfa_fcs_rport_send_ls_rjt(rport, fchs, - FC_LS_RJT_RSN_CMD_NOT_SUPP, - FC_LS_RJT_EXP_NO_ADDL_INFO); - break; - } -} - -/* - * Send a LS reject - */ -static void -bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs, - u8 reason_code, u8 reason_code_expl) -{ - struct bfa_fcs_port_s *port = rport->port; - struct fchs_s fchs; - struct bfa_fcxp_s *fcxp; - int len; - - bfa_trc(rport->fcs, rx_fchs->s_id); - - fcxp = bfa_fcs_fcxp_alloc(rport->fcs); - if (!fcxp) - return; - - len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rx_fchs->s_id, - bfa_fcs_port_get_fcid(port), rx_fchs->ox_id, - reason_code, reason_code_expl); - - 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); -} - -/** - * Return state of rport. - */ -int -bfa_fcs_rport_get_state(struct bfa_fcs_rport_s *rport) -{ - return bfa_sm_to_state(rport_sm_table, rport->sm); -} - -/** - * Called by the Driver to set rport delete/ageout timeout - * - * param[in] rport timeout value in seconds. - * - * return None - */ -void -bfa_fcs_rport_set_del_timeout(u8 rport_tmo) -{ - /* - * convert to Millisecs - */ - if (rport_tmo > 0) - bfa_fcs_rport_del_timeout = rport_tmo * 1000; -} |