1625 lines
39 KiB
C
1625 lines
39 KiB
C
/*
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* Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
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* Copyright (c) 2014- QLogic Corporation.
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* All rights reserved
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* www.qlogic.com
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*
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* Linux driver for QLogic BR-series 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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* bfa_fcs.c BFA FCS main
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*/
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#include "bfad_drv.h"
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#include "bfad_im.h"
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#include "bfa_fcs.h"
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#include "bfa_fcbuild.h"
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BFA_TRC_FILE(FCS, FCS);
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/*
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* fcs_api BFA FCS API
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*/
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static void
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bfa_fcs_exit_comp(void *fcs_cbarg)
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{
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struct bfa_fcs_s *fcs = fcs_cbarg;
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struct bfad_s *bfad = fcs->bfad;
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complete(&bfad->comp);
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}
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/*
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* fcs initialization, called once after bfa initialization is complete
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*/
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void
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bfa_fcs_init(struct bfa_fcs_s *fcs)
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{
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bfa_sm_send_event(&fcs->fabric, BFA_FCS_FABRIC_SM_CREATE);
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bfa_trc(fcs, 0);
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}
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/*
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* fcs_api BFA FCS API
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*/
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/*
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* FCS update cfg - reset the pwwn/nwwn of fabric base logical port
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* with values learned during bfa_init firmware GETATTR REQ.
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*/
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void
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bfa_fcs_update_cfg(struct bfa_fcs_s *fcs)
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{
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struct bfa_fcs_fabric_s *fabric = &fcs->fabric;
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struct bfa_lport_cfg_s *port_cfg = &fabric->bport.port_cfg;
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struct bfa_ioc_s *ioc = &fabric->fcs->bfa->ioc;
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port_cfg->nwwn = ioc->attr->nwwn;
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port_cfg->pwwn = ioc->attr->pwwn;
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}
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/*
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* Stop FCS operations.
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*/
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void
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bfa_fcs_stop(struct bfa_fcs_s *fcs)
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{
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bfa_wc_init(&fcs->wc, bfa_fcs_exit_comp, fcs);
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bfa_wc_up(&fcs->wc);
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bfa_fcs_fabric_modstop(fcs);
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bfa_wc_wait(&fcs->wc);
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}
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/*
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* fcs pbc vport initialization
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*/
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void
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bfa_fcs_pbc_vport_init(struct bfa_fcs_s *fcs)
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{
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int i, npbc_vports;
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struct bfi_pbc_vport_s pbc_vports[BFI_PBC_MAX_VPORTS];
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/* Initialize pbc vports */
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if (!fcs->min_cfg) {
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npbc_vports =
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bfa_iocfc_get_pbc_vports(fcs->bfa, pbc_vports);
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for (i = 0; i < npbc_vports; i++)
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bfa_fcb_pbc_vport_create(fcs->bfa->bfad, pbc_vports[i]);
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}
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}
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/*
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* brief
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* FCS driver details initialization.
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*
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* param[in] fcs FCS instance
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* param[in] driver_info Driver Details
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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_driver_info_init(struct bfa_fcs_s *fcs,
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struct bfa_fcs_driver_info_s *driver_info)
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{
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fcs->driver_info = *driver_info;
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bfa_fcs_fabric_psymb_init(&fcs->fabric);
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bfa_fcs_fabric_nsymb_init(&fcs->fabric);
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}
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/*
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* brief
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* FCS instance cleanup and exit.
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*
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* param[in] fcs FCS instance
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* return None
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*/
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void
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bfa_fcs_exit(struct bfa_fcs_s *fcs)
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{
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bfa_wc_init(&fcs->wc, bfa_fcs_exit_comp, fcs);
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bfa_wc_up(&fcs->wc);
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bfa_trc(fcs, 0);
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bfa_lps_delete(fcs->fabric.lps);
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bfa_sm_send_event(&fcs->fabric, BFA_FCS_FABRIC_SM_DELETE);
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bfa_wc_wait(&fcs->wc);
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}
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/*
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* Fabric module implementation.
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*/
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#define BFA_FCS_FABRIC_RETRY_DELAY (2000) /* Milliseconds */
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#define BFA_FCS_FABRIC_CLEANUP_DELAY (10000) /* Milliseconds */
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#define bfa_fcs_fabric_set_opertype(__fabric) do { \
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if (bfa_fcport_get_topology((__fabric)->fcs->bfa) \
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== BFA_PORT_TOPOLOGY_P2P) { \
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if (fabric->fab_type == BFA_FCS_FABRIC_SWITCHED) \
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(__fabric)->oper_type = BFA_PORT_TYPE_NPORT; \
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else \
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(__fabric)->oper_type = BFA_PORT_TYPE_P2P; \
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} else \
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(__fabric)->oper_type = BFA_PORT_TYPE_NLPORT; \
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} while (0)
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/*
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* forward declarations
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*/
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static void bfa_fcs_fabric_init(struct bfa_fcs_fabric_s *fabric);
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static void bfa_fcs_fabric_login(struct bfa_fcs_fabric_s *fabric);
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static void bfa_fcs_fabric_notify_online(struct bfa_fcs_fabric_s *fabric);
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static void bfa_fcs_fabric_notify_offline(struct bfa_fcs_fabric_s *fabric);
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static void bfa_fcs_fabric_delay(void *cbarg);
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static void bfa_fcs_fabric_delete(struct bfa_fcs_fabric_s *fabric);
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static void bfa_fcs_fabric_delete_comp(void *cbarg);
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static void bfa_fcs_fabric_stop(struct bfa_fcs_fabric_s *fabric);
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static void bfa_fcs_fabric_stop_comp(void *cbarg);
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static void bfa_fcs_fabric_process_uf(struct bfa_fcs_fabric_s *fabric,
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struct fchs_s *fchs, u16 len);
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static void bfa_fcs_fabric_process_flogi(struct bfa_fcs_fabric_s *fabric,
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struct fchs_s *fchs, u16 len);
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static void bfa_fcs_fabric_send_flogi_acc(struct bfa_fcs_fabric_s *fabric);
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static void bfa_fcs_fabric_flogiacc_comp(void *fcsarg,
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struct bfa_fcxp_s *fcxp, void *cbarg,
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bfa_status_t status,
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u32 rsp_len,
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u32 resid_len,
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struct fchs_s *rspfchs);
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static void bfa_fcs_fabric_sm_uninit(struct bfa_fcs_fabric_s *fabric,
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enum bfa_fcs_fabric_event event);
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static void bfa_fcs_fabric_sm_created(struct bfa_fcs_fabric_s *fabric,
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enum bfa_fcs_fabric_event event);
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static void bfa_fcs_fabric_sm_linkdown(struct bfa_fcs_fabric_s *fabric,
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enum bfa_fcs_fabric_event event);
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static void bfa_fcs_fabric_sm_flogi(struct bfa_fcs_fabric_s *fabric,
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enum bfa_fcs_fabric_event event);
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static void bfa_fcs_fabric_sm_flogi_retry(struct bfa_fcs_fabric_s *fabric,
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enum bfa_fcs_fabric_event event);
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static void bfa_fcs_fabric_sm_auth(struct bfa_fcs_fabric_s *fabric,
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enum bfa_fcs_fabric_event event);
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static void bfa_fcs_fabric_sm_nofabric(struct bfa_fcs_fabric_s *fabric,
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enum bfa_fcs_fabric_event event);
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static void bfa_fcs_fabric_sm_evfp(struct bfa_fcs_fabric_s *fabric,
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enum bfa_fcs_fabric_event event);
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static void bfa_fcs_fabric_sm_evfp_done(struct bfa_fcs_fabric_s *fabric,
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enum bfa_fcs_fabric_event event);
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static void bfa_fcs_fabric_sm_isolated(struct bfa_fcs_fabric_s *fabric,
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enum bfa_fcs_fabric_event event);
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static void bfa_fcs_fabric_sm_deleting(struct bfa_fcs_fabric_s *fabric,
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enum bfa_fcs_fabric_event event);
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static void bfa_fcs_fabric_sm_stopping(struct bfa_fcs_fabric_s *fabric,
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enum bfa_fcs_fabric_event event);
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static void bfa_fcs_fabric_sm_cleanup(struct bfa_fcs_fabric_s *fabric,
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enum bfa_fcs_fabric_event event);
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/*
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* Beginning state before fabric creation.
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*/
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static void
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bfa_fcs_fabric_sm_uninit(struct bfa_fcs_fabric_s *fabric,
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enum bfa_fcs_fabric_event event)
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{
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bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
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bfa_trc(fabric->fcs, event);
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switch (event) {
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case BFA_FCS_FABRIC_SM_CREATE:
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bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_created);
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bfa_fcs_fabric_init(fabric);
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bfa_fcs_lport_init(&fabric->bport, &fabric->bport.port_cfg);
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break;
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case BFA_FCS_FABRIC_SM_LINK_UP:
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case BFA_FCS_FABRIC_SM_LINK_DOWN:
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break;
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default:
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bfa_sm_fault(fabric->fcs, event);
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}
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}
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/*
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* Beginning state before fabric creation.
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*/
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static void
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bfa_fcs_fabric_sm_created(struct bfa_fcs_fabric_s *fabric,
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enum bfa_fcs_fabric_event event)
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{
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struct bfa_s *bfa = fabric->fcs->bfa;
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bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
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bfa_trc(fabric->fcs, event);
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switch (event) {
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case BFA_FCS_FABRIC_SM_START:
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if (!bfa_fcport_is_linkup(fabric->fcs->bfa)) {
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bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown);
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break;
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}
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if (bfa_fcport_get_topology(bfa) ==
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BFA_PORT_TOPOLOGY_LOOP) {
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fabric->fab_type = BFA_FCS_FABRIC_LOOP;
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fabric->bport.pid = bfa_fcport_get_myalpa(bfa);
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fabric->bport.pid = bfa_hton3b(fabric->bport.pid);
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bfa_sm_set_state(fabric,
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bfa_fcs_fabric_sm_online);
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bfa_fcs_fabric_set_opertype(fabric);
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bfa_fcs_lport_online(&fabric->bport);
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} else {
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bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi);
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bfa_fcs_fabric_login(fabric);
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}
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break;
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case BFA_FCS_FABRIC_SM_LINK_UP:
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case BFA_FCS_FABRIC_SM_LINK_DOWN:
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break;
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case BFA_FCS_FABRIC_SM_DELETE:
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bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting);
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bfa_fcs_fabric_delete(fabric);
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break;
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default:
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bfa_sm_fault(fabric->fcs, event);
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}
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}
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/*
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* Link is down, awaiting LINK UP event from port. This is also the
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* first state at fabric creation.
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*/
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static void
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bfa_fcs_fabric_sm_linkdown(struct bfa_fcs_fabric_s *fabric,
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enum bfa_fcs_fabric_event event)
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{
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struct bfa_s *bfa = fabric->fcs->bfa;
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bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
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bfa_trc(fabric->fcs, event);
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switch (event) {
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case BFA_FCS_FABRIC_SM_LINK_UP:
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if (bfa_fcport_get_topology(bfa) != BFA_PORT_TOPOLOGY_LOOP) {
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bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi);
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bfa_fcs_fabric_login(fabric);
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break;
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}
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fabric->fab_type = BFA_FCS_FABRIC_LOOP;
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fabric->bport.pid = bfa_fcport_get_myalpa(bfa);
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fabric->bport.pid = bfa_hton3b(fabric->bport.pid);
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bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_online);
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bfa_fcs_fabric_set_opertype(fabric);
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bfa_fcs_lport_online(&fabric->bport);
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break;
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case BFA_FCS_FABRIC_SM_RETRY_OP:
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case BFA_FCS_FABRIC_SM_LOOPBACK:
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break;
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case BFA_FCS_FABRIC_SM_DELETE:
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bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting);
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bfa_fcs_fabric_delete(fabric);
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break;
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case BFA_FCS_FABRIC_SM_STOP:
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bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_cleanup);
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bfa_fcs_fabric_stop(fabric);
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break;
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default:
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bfa_sm_fault(fabric->fcs, event);
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}
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}
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/*
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* FLOGI is in progress, awaiting FLOGI reply.
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*/
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static void
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bfa_fcs_fabric_sm_flogi(struct bfa_fcs_fabric_s *fabric,
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enum bfa_fcs_fabric_event event)
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{
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bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
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bfa_trc(fabric->fcs, event);
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switch (event) {
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case BFA_FCS_FABRIC_SM_CONT_OP:
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bfa_fcport_set_tx_bbcredit(fabric->fcs->bfa,
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fabric->bb_credit);
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fabric->fab_type = BFA_FCS_FABRIC_SWITCHED;
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if (fabric->auth_reqd && fabric->is_auth) {
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bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_auth);
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bfa_trc(fabric->fcs, event);
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} else {
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bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_online);
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bfa_fcs_fabric_notify_online(fabric);
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}
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break;
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case BFA_FCS_FABRIC_SM_RETRY_OP:
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bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi_retry);
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bfa_timer_start(fabric->fcs->bfa, &fabric->delay_timer,
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bfa_fcs_fabric_delay, fabric,
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BFA_FCS_FABRIC_RETRY_DELAY);
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break;
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case BFA_FCS_FABRIC_SM_LOOPBACK:
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bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_loopback);
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bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE);
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bfa_fcs_fabric_set_opertype(fabric);
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break;
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case BFA_FCS_FABRIC_SM_NO_FABRIC:
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fabric->fab_type = BFA_FCS_FABRIC_N2N;
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bfa_fcport_set_tx_bbcredit(fabric->fcs->bfa,
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fabric->bb_credit);
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bfa_fcs_fabric_notify_online(fabric);
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bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_nofabric);
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break;
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case BFA_FCS_FABRIC_SM_LINK_DOWN:
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bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown);
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bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE);
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break;
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case BFA_FCS_FABRIC_SM_DELETE:
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bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting);
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bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE);
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bfa_fcs_fabric_delete(fabric);
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break;
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default:
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bfa_sm_fault(fabric->fcs, event);
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}
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}
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static void
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bfa_fcs_fabric_sm_flogi_retry(struct bfa_fcs_fabric_s *fabric,
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enum bfa_fcs_fabric_event event)
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{
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bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
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bfa_trc(fabric->fcs, event);
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switch (event) {
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case BFA_FCS_FABRIC_SM_DELAYED:
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bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi);
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bfa_fcs_fabric_login(fabric);
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break;
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case BFA_FCS_FABRIC_SM_LINK_DOWN:
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bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown);
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bfa_timer_stop(&fabric->delay_timer);
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break;
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case BFA_FCS_FABRIC_SM_DELETE:
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bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting);
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bfa_timer_stop(&fabric->delay_timer);
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bfa_fcs_fabric_delete(fabric);
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break;
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default:
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bfa_sm_fault(fabric->fcs, event);
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}
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}
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|
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/*
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* Authentication is in progress, awaiting authentication results.
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*/
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static void
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bfa_fcs_fabric_sm_auth(struct bfa_fcs_fabric_s *fabric,
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enum bfa_fcs_fabric_event event)
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{
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bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
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bfa_trc(fabric->fcs, event);
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switch (event) {
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case BFA_FCS_FABRIC_SM_AUTH_FAILED:
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bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_auth_failed);
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bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE);
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break;
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case BFA_FCS_FABRIC_SM_AUTH_SUCCESS:
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bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_online);
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bfa_fcs_fabric_notify_online(fabric);
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break;
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case BFA_FCS_FABRIC_SM_PERF_EVFP:
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bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_evfp);
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break;
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case BFA_FCS_FABRIC_SM_LINK_DOWN:
|
|
bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown);
|
|
bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE);
|
|
break;
|
|
|
|
case BFA_FCS_FABRIC_SM_DELETE:
|
|
bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting);
|
|
bfa_fcs_fabric_delete(fabric);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(fabric->fcs, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Authentication failed
|
|
*/
|
|
void
|
|
bfa_fcs_fabric_sm_auth_failed(struct bfa_fcs_fabric_s *fabric,
|
|
enum bfa_fcs_fabric_event event)
|
|
{
|
|
bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
|
|
bfa_trc(fabric->fcs, event);
|
|
|
|
switch (event) {
|
|
case BFA_FCS_FABRIC_SM_LINK_DOWN:
|
|
bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown);
|
|
bfa_fcs_fabric_notify_offline(fabric);
|
|
break;
|
|
|
|
case BFA_FCS_FABRIC_SM_DELETE:
|
|
bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting);
|
|
bfa_fcs_fabric_delete(fabric);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(fabric->fcs, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Port is in loopback mode.
|
|
*/
|
|
void
|
|
bfa_fcs_fabric_sm_loopback(struct bfa_fcs_fabric_s *fabric,
|
|
enum bfa_fcs_fabric_event event)
|
|
{
|
|
bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
|
|
bfa_trc(fabric->fcs, event);
|
|
|
|
switch (event) {
|
|
case BFA_FCS_FABRIC_SM_LINK_DOWN:
|
|
bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown);
|
|
bfa_fcs_fabric_notify_offline(fabric);
|
|
break;
|
|
|
|
case BFA_FCS_FABRIC_SM_DELETE:
|
|
bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting);
|
|
bfa_fcs_fabric_delete(fabric);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(fabric->fcs, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* There is no attached fabric - private loop or NPort-to-NPort topology.
|
|
*/
|
|
static void
|
|
bfa_fcs_fabric_sm_nofabric(struct bfa_fcs_fabric_s *fabric,
|
|
enum bfa_fcs_fabric_event event)
|
|
{
|
|
bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
|
|
bfa_trc(fabric->fcs, event);
|
|
|
|
switch (event) {
|
|
case BFA_FCS_FABRIC_SM_LINK_DOWN:
|
|
bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown);
|
|
bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE);
|
|
bfa_fcs_fabric_notify_offline(fabric);
|
|
break;
|
|
|
|
case BFA_FCS_FABRIC_SM_DELETE:
|
|
bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting);
|
|
bfa_fcs_fabric_delete(fabric);
|
|
break;
|
|
|
|
case BFA_FCS_FABRIC_SM_NO_FABRIC:
|
|
bfa_trc(fabric->fcs, fabric->bb_credit);
|
|
bfa_fcport_set_tx_bbcredit(fabric->fcs->bfa,
|
|
fabric->bb_credit);
|
|
break;
|
|
|
|
case BFA_FCS_FABRIC_SM_RETRY_OP:
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(fabric->fcs, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Fabric is online - normal operating state.
|
|
*/
|
|
void
|
|
bfa_fcs_fabric_sm_online(struct bfa_fcs_fabric_s *fabric,
|
|
enum bfa_fcs_fabric_event event)
|
|
{
|
|
struct bfa_s *bfa = fabric->fcs->bfa;
|
|
|
|
bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
|
|
bfa_trc(fabric->fcs, event);
|
|
|
|
switch (event) {
|
|
case BFA_FCS_FABRIC_SM_LINK_DOWN:
|
|
bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown);
|
|
if (bfa_fcport_get_topology(bfa) == BFA_PORT_TOPOLOGY_LOOP) {
|
|
bfa_fcs_lport_offline(&fabric->bport);
|
|
} else {
|
|
bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE);
|
|
bfa_fcs_fabric_notify_offline(fabric);
|
|
}
|
|
break;
|
|
|
|
case BFA_FCS_FABRIC_SM_DELETE:
|
|
bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting);
|
|
bfa_fcs_fabric_delete(fabric);
|
|
break;
|
|
|
|
case BFA_FCS_FABRIC_SM_STOP:
|
|
bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_stopping);
|
|
bfa_fcs_fabric_stop(fabric);
|
|
break;
|
|
|
|
case BFA_FCS_FABRIC_SM_AUTH_FAILED:
|
|
bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_auth_failed);
|
|
bfa_sm_send_event(fabric->lps, BFA_LPS_SM_OFFLINE);
|
|
break;
|
|
|
|
case BFA_FCS_FABRIC_SM_AUTH_SUCCESS:
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(fabric->fcs, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Exchanging virtual fabric parameters.
|
|
*/
|
|
static void
|
|
bfa_fcs_fabric_sm_evfp(struct bfa_fcs_fabric_s *fabric,
|
|
enum bfa_fcs_fabric_event event)
|
|
{
|
|
bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
|
|
bfa_trc(fabric->fcs, event);
|
|
|
|
switch (event) {
|
|
case BFA_FCS_FABRIC_SM_CONT_OP:
|
|
bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_evfp_done);
|
|
break;
|
|
|
|
case BFA_FCS_FABRIC_SM_ISOLATE:
|
|
bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_isolated);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(fabric->fcs, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* EVFP exchange complete and VFT tagging is enabled.
|
|
*/
|
|
static void
|
|
bfa_fcs_fabric_sm_evfp_done(struct bfa_fcs_fabric_s *fabric,
|
|
enum bfa_fcs_fabric_event event)
|
|
{
|
|
bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
|
|
bfa_trc(fabric->fcs, event);
|
|
}
|
|
|
|
/*
|
|
* Port is isolated after EVFP exchange due to VF_ID mismatch (N and F).
|
|
*/
|
|
static void
|
|
bfa_fcs_fabric_sm_isolated(struct bfa_fcs_fabric_s *fabric,
|
|
enum bfa_fcs_fabric_event event)
|
|
{
|
|
struct bfad_s *bfad = (struct bfad_s *)fabric->fcs->bfad;
|
|
char pwwn_ptr[BFA_STRING_32];
|
|
|
|
bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
|
|
bfa_trc(fabric->fcs, event);
|
|
wwn2str(pwwn_ptr, fabric->bport.port_cfg.pwwn);
|
|
|
|
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
|
|
"Port is isolated due to VF_ID mismatch. "
|
|
"PWWN: %s Port VF_ID: %04x switch port VF_ID: %04x.",
|
|
pwwn_ptr, fabric->fcs->port_vfid,
|
|
fabric->event_arg.swp_vfid);
|
|
}
|
|
|
|
/*
|
|
* Fabric is being deleted, awaiting vport delete completions.
|
|
*/
|
|
static void
|
|
bfa_fcs_fabric_sm_deleting(struct bfa_fcs_fabric_s *fabric,
|
|
enum bfa_fcs_fabric_event event)
|
|
{
|
|
bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
|
|
bfa_trc(fabric->fcs, event);
|
|
|
|
switch (event) {
|
|
case BFA_FCS_FABRIC_SM_DELCOMP:
|
|
bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_uninit);
|
|
bfa_wc_down(&fabric->fcs->wc);
|
|
break;
|
|
|
|
case BFA_FCS_FABRIC_SM_LINK_UP:
|
|
break;
|
|
|
|
case BFA_FCS_FABRIC_SM_LINK_DOWN:
|
|
bfa_fcs_fabric_notify_offline(fabric);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(fabric->fcs, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Fabric is being stopped, awaiting vport stop completions.
|
|
*/
|
|
static void
|
|
bfa_fcs_fabric_sm_stopping(struct bfa_fcs_fabric_s *fabric,
|
|
enum bfa_fcs_fabric_event event)
|
|
{
|
|
struct bfa_s *bfa = fabric->fcs->bfa;
|
|
|
|
bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
|
|
bfa_trc(fabric->fcs, event);
|
|
|
|
switch (event) {
|
|
case BFA_FCS_FABRIC_SM_STOPCOMP:
|
|
if (bfa_fcport_get_topology(bfa) == BFA_PORT_TOPOLOGY_LOOP) {
|
|
bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_created);
|
|
} else {
|
|
bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_cleanup);
|
|
bfa_sm_send_event(fabric->lps, BFA_LPS_SM_LOGOUT);
|
|
}
|
|
break;
|
|
|
|
case BFA_FCS_FABRIC_SM_LINK_UP:
|
|
break;
|
|
|
|
case BFA_FCS_FABRIC_SM_LINK_DOWN:
|
|
if (bfa_fcport_get_topology(bfa) == BFA_PORT_TOPOLOGY_LOOP)
|
|
bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_created);
|
|
else
|
|
bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_cleanup);
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(fabric->fcs, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Fabric is being stopped, cleanup without FLOGO
|
|
*/
|
|
static void
|
|
bfa_fcs_fabric_sm_cleanup(struct bfa_fcs_fabric_s *fabric,
|
|
enum bfa_fcs_fabric_event event)
|
|
{
|
|
bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
|
|
bfa_trc(fabric->fcs, event);
|
|
|
|
switch (event) {
|
|
case BFA_FCS_FABRIC_SM_STOPCOMP:
|
|
case BFA_FCS_FABRIC_SM_LOGOCOMP:
|
|
bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_created);
|
|
bfa_wc_down(&(fabric->fcs)->wc);
|
|
break;
|
|
|
|
case BFA_FCS_FABRIC_SM_LINK_DOWN:
|
|
/*
|
|
* Ignore - can get this event if we get notified about IOC down
|
|
* before the fabric completion callbk is done.
|
|
*/
|
|
break;
|
|
|
|
default:
|
|
bfa_sm_fault(fabric->fcs, event);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* fcs_fabric_private fabric private functions
|
|
*/
|
|
|
|
static void
|
|
bfa_fcs_fabric_init(struct bfa_fcs_fabric_s *fabric)
|
|
{
|
|
struct bfa_lport_cfg_s *port_cfg = &fabric->bport.port_cfg;
|
|
|
|
port_cfg->roles = BFA_LPORT_ROLE_FCP_IM;
|
|
port_cfg->nwwn = fabric->fcs->bfa->ioc.attr->nwwn;
|
|
port_cfg->pwwn = fabric->fcs->bfa->ioc.attr->pwwn;
|
|
}
|
|
|
|
/*
|
|
* Port Symbolic Name Creation for base port.
|
|
*/
|
|
void
|
|
bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric)
|
|
{
|
|
struct bfa_lport_cfg_s *port_cfg = &fabric->bport.port_cfg;
|
|
char model[BFA_ADAPTER_MODEL_NAME_LEN] = {0};
|
|
struct bfa_fcs_driver_info_s *driver_info = &fabric->fcs->driver_info;
|
|
|
|
bfa_ioc_get_adapter_model(&fabric->fcs->bfa->ioc, model);
|
|
|
|
/* Model name/number */
|
|
strlcpy(port_cfg->sym_name.symname, model,
|
|
BFA_SYMNAME_MAXLEN);
|
|
strlcat(port_cfg->sym_name.symname, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
|
|
BFA_SYMNAME_MAXLEN);
|
|
|
|
/* Driver Version */
|
|
strlcat(port_cfg->sym_name.symname, driver_info->version,
|
|
BFA_SYMNAME_MAXLEN);
|
|
strlcat(port_cfg->sym_name.symname, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
|
|
BFA_SYMNAME_MAXLEN);
|
|
|
|
/* Host machine name */
|
|
strlcat(port_cfg->sym_name.symname,
|
|
driver_info->host_machine_name,
|
|
BFA_SYMNAME_MAXLEN);
|
|
strlcat(port_cfg->sym_name.symname, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
|
|
BFA_SYMNAME_MAXLEN);
|
|
|
|
/*
|
|
* Host OS Info :
|
|
* If OS Patch Info is not there, do not truncate any bytes from the
|
|
* OS name string and instead copy the entire OS info string (64 bytes).
|
|
*/
|
|
if (driver_info->host_os_patch[0] == '\0') {
|
|
strlcat(port_cfg->sym_name.symname,
|
|
driver_info->host_os_name,
|
|
BFA_SYMNAME_MAXLEN);
|
|
strlcat(port_cfg->sym_name.symname,
|
|
BFA_FCS_PORT_SYMBNAME_SEPARATOR,
|
|
BFA_SYMNAME_MAXLEN);
|
|
} else {
|
|
strlcat(port_cfg->sym_name.symname,
|
|
driver_info->host_os_name,
|
|
BFA_SYMNAME_MAXLEN);
|
|
strlcat(port_cfg->sym_name.symname,
|
|
BFA_FCS_PORT_SYMBNAME_SEPARATOR,
|
|
BFA_SYMNAME_MAXLEN);
|
|
|
|
/* Append host OS Patch Info */
|
|
strlcat(port_cfg->sym_name.symname,
|
|
driver_info->host_os_patch,
|
|
BFA_SYMNAME_MAXLEN);
|
|
}
|
|
|
|
/* null terminate */
|
|
port_cfg->sym_name.symname[BFA_SYMNAME_MAXLEN - 1] = 0;
|
|
}
|
|
|
|
/*
|
|
* Node Symbolic Name Creation for base port and all vports
|
|
*/
|
|
void
|
|
bfa_fcs_fabric_nsymb_init(struct bfa_fcs_fabric_s *fabric)
|
|
{
|
|
struct bfa_lport_cfg_s *port_cfg = &fabric->bport.port_cfg;
|
|
char model[BFA_ADAPTER_MODEL_NAME_LEN] = {0};
|
|
struct bfa_fcs_driver_info_s *driver_info = &fabric->fcs->driver_info;
|
|
|
|
bfa_ioc_get_adapter_model(&fabric->fcs->bfa->ioc, model);
|
|
|
|
/* Model name/number */
|
|
strlcpy(port_cfg->node_sym_name.symname, model,
|
|
BFA_SYMNAME_MAXLEN);
|
|
strlcat(port_cfg->node_sym_name.symname,
|
|
BFA_FCS_PORT_SYMBNAME_SEPARATOR,
|
|
BFA_SYMNAME_MAXLEN);
|
|
|
|
/* Driver Version */
|
|
strlcat(port_cfg->node_sym_name.symname, (char *)driver_info->version,
|
|
BFA_SYMNAME_MAXLEN);
|
|
strlcat(port_cfg->node_sym_name.symname,
|
|
BFA_FCS_PORT_SYMBNAME_SEPARATOR,
|
|
BFA_SYMNAME_MAXLEN);
|
|
|
|
/* Host machine name */
|
|
strlcat(port_cfg->node_sym_name.symname,
|
|
driver_info->host_machine_name,
|
|
BFA_SYMNAME_MAXLEN);
|
|
strlcat(port_cfg->node_sym_name.symname,
|
|
BFA_FCS_PORT_SYMBNAME_SEPARATOR,
|
|
BFA_SYMNAME_MAXLEN);
|
|
|
|
/* null terminate */
|
|
port_cfg->node_sym_name.symname[BFA_SYMNAME_MAXLEN - 1] = 0;
|
|
}
|
|
|
|
/*
|
|
* bfa lps login completion callback
|
|
*/
|
|
void
|
|
bfa_cb_lps_flogi_comp(void *bfad, void *uarg, bfa_status_t status)
|
|
{
|
|
struct bfa_fcs_fabric_s *fabric = uarg;
|
|
|
|
bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
|
|
bfa_trc(fabric->fcs, status);
|
|
|
|
switch (status) {
|
|
case BFA_STATUS_OK:
|
|
fabric->stats.flogi_accepts++;
|
|
break;
|
|
|
|
case BFA_STATUS_INVALID_MAC:
|
|
/* Only for CNA */
|
|
fabric->stats.flogi_acc_err++;
|
|
bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP);
|
|
|
|
return;
|
|
|
|
case BFA_STATUS_EPROTOCOL:
|
|
switch (fabric->lps->ext_status) {
|
|
case BFA_EPROTO_BAD_ACCEPT:
|
|
fabric->stats.flogi_acc_err++;
|
|
break;
|
|
|
|
case BFA_EPROTO_UNKNOWN_RSP:
|
|
fabric->stats.flogi_unknown_rsp++;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP);
|
|
|
|
return;
|
|
|
|
case BFA_STATUS_FABRIC_RJT:
|
|
fabric->stats.flogi_rejects++;
|
|
bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP);
|
|
return;
|
|
|
|
default:
|
|
fabric->stats.flogi_rsp_err++;
|
|
bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_RETRY_OP);
|
|
return;
|
|
}
|
|
|
|
fabric->bb_credit = fabric->lps->pr_bbcred;
|
|
bfa_trc(fabric->fcs, fabric->bb_credit);
|
|
|
|
if (!(fabric->lps->brcd_switch))
|
|
fabric->fabric_name = fabric->lps->pr_nwwn;
|
|
|
|
/*
|
|
* Check port type. It should be 1 = F-port.
|
|
*/
|
|
if (fabric->lps->fport) {
|
|
fabric->bport.pid = fabric->lps->lp_pid;
|
|
fabric->is_npiv = fabric->lps->npiv_en;
|
|
fabric->is_auth = fabric->lps->auth_req;
|
|
bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_CONT_OP);
|
|
} else {
|
|
/*
|
|
* Nport-2-Nport direct attached
|
|
*/
|
|
fabric->bport.port_topo.pn2n.rem_port_wwn =
|
|
fabric->lps->pr_pwwn;
|
|
fabric->fab_type = BFA_FCS_FABRIC_N2N;
|
|
bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_NO_FABRIC);
|
|
}
|
|
|
|
bfa_trc(fabric->fcs, fabric->bport.pid);
|
|
bfa_trc(fabric->fcs, fabric->is_npiv);
|
|
bfa_trc(fabric->fcs, fabric->is_auth);
|
|
}
|
|
/*
|
|
* Allocate and send FLOGI.
|
|
*/
|
|
static void
|
|
bfa_fcs_fabric_login(struct bfa_fcs_fabric_s *fabric)
|
|
{
|
|
struct bfa_s *bfa = fabric->fcs->bfa;
|
|
struct bfa_lport_cfg_s *pcfg = &fabric->bport.port_cfg;
|
|
u8 alpa = 0;
|
|
|
|
|
|
bfa_lps_flogi(fabric->lps, fabric, alpa, bfa_fcport_get_maxfrsize(bfa),
|
|
pcfg->pwwn, pcfg->nwwn, fabric->auth_reqd);
|
|
|
|
fabric->stats.flogi_sent++;
|
|
}
|
|
|
|
static void
|
|
bfa_fcs_fabric_notify_online(struct bfa_fcs_fabric_s *fabric)
|
|
{
|
|
struct bfa_fcs_vport_s *vport;
|
|
struct list_head *qe, *qen;
|
|
|
|
bfa_trc(fabric->fcs, fabric->fabric_name);
|
|
|
|
bfa_fcs_fabric_set_opertype(fabric);
|
|
fabric->stats.fabric_onlines++;
|
|
|
|
/*
|
|
* notify online event to base and then virtual ports
|
|
*/
|
|
bfa_fcs_lport_online(&fabric->bport);
|
|
|
|
list_for_each_safe(qe, qen, &fabric->vport_q) {
|
|
vport = (struct bfa_fcs_vport_s *) qe;
|
|
bfa_fcs_vport_online(vport);
|
|
}
|
|
}
|
|
|
|
static void
|
|
bfa_fcs_fabric_notify_offline(struct bfa_fcs_fabric_s *fabric)
|
|
{
|
|
struct bfa_fcs_vport_s *vport;
|
|
struct list_head *qe, *qen;
|
|
|
|
bfa_trc(fabric->fcs, fabric->fabric_name);
|
|
fabric->stats.fabric_offlines++;
|
|
|
|
/*
|
|
* notify offline event first to vports and then base port.
|
|
*/
|
|
list_for_each_safe(qe, qen, &fabric->vport_q) {
|
|
vport = (struct bfa_fcs_vport_s *) qe;
|
|
bfa_fcs_vport_offline(vport);
|
|
}
|
|
|
|
bfa_fcs_lport_offline(&fabric->bport);
|
|
|
|
fabric->fabric_name = 0;
|
|
fabric->fabric_ip_addr[0] = 0;
|
|
}
|
|
|
|
static void
|
|
bfa_fcs_fabric_delay(void *cbarg)
|
|
{
|
|
struct bfa_fcs_fabric_s *fabric = cbarg;
|
|
|
|
bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_DELAYED);
|
|
}
|
|
|
|
/*
|
|
* Stop all vports and wait for vport stop completions.
|
|
*/
|
|
static void
|
|
bfa_fcs_fabric_stop(struct bfa_fcs_fabric_s *fabric)
|
|
{
|
|
struct bfa_fcs_vport_s *vport;
|
|
struct list_head *qe, *qen;
|
|
|
|
bfa_wc_init(&fabric->stop_wc, bfa_fcs_fabric_stop_comp, fabric);
|
|
|
|
list_for_each_safe(qe, qen, &fabric->vport_q) {
|
|
vport = (struct bfa_fcs_vport_s *) qe;
|
|
bfa_wc_up(&fabric->stop_wc);
|
|
bfa_fcs_vport_fcs_stop(vport);
|
|
}
|
|
|
|
bfa_wc_up(&fabric->stop_wc);
|
|
bfa_fcs_lport_stop(&fabric->bport);
|
|
bfa_wc_wait(&fabric->stop_wc);
|
|
}
|
|
|
|
/*
|
|
* Delete all vports and wait for vport delete completions.
|
|
*/
|
|
static void
|
|
bfa_fcs_fabric_delete(struct bfa_fcs_fabric_s *fabric)
|
|
{
|
|
struct bfa_fcs_vport_s *vport;
|
|
struct list_head *qe, *qen;
|
|
|
|
list_for_each_safe(qe, qen, &fabric->vport_q) {
|
|
vport = (struct bfa_fcs_vport_s *) qe;
|
|
bfa_fcs_vport_fcs_delete(vport);
|
|
}
|
|
|
|
bfa_fcs_lport_delete(&fabric->bport);
|
|
bfa_wc_wait(&fabric->wc);
|
|
}
|
|
|
|
static void
|
|
bfa_fcs_fabric_delete_comp(void *cbarg)
|
|
{
|
|
struct bfa_fcs_fabric_s *fabric = cbarg;
|
|
|
|
bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_DELCOMP);
|
|
}
|
|
|
|
static void
|
|
bfa_fcs_fabric_stop_comp(void *cbarg)
|
|
{
|
|
struct bfa_fcs_fabric_s *fabric = cbarg;
|
|
|
|
bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_STOPCOMP);
|
|
}
|
|
|
|
/*
|
|
* fcs_fabric_public fabric public functions
|
|
*/
|
|
|
|
/*
|
|
* Fabric module stop -- stop FCS actions
|
|
*/
|
|
void
|
|
bfa_fcs_fabric_modstop(struct bfa_fcs_s *fcs)
|
|
{
|
|
struct bfa_fcs_fabric_s *fabric;
|
|
|
|
bfa_trc(fcs, 0);
|
|
fabric = &fcs->fabric;
|
|
bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_STOP);
|
|
}
|
|
|
|
/*
|
|
* Fabric module start -- kick starts FCS actions
|
|
*/
|
|
void
|
|
bfa_fcs_fabric_modstart(struct bfa_fcs_s *fcs)
|
|
{
|
|
struct bfa_fcs_fabric_s *fabric;
|
|
|
|
bfa_trc(fcs, 0);
|
|
fabric = &fcs->fabric;
|
|
bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_START);
|
|
}
|
|
|
|
|
|
/*
|
|
* Link up notification from BFA physical port module.
|
|
*/
|
|
void
|
|
bfa_fcs_fabric_link_up(struct bfa_fcs_fabric_s *fabric)
|
|
{
|
|
bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
|
|
bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LINK_UP);
|
|
}
|
|
|
|
/*
|
|
* Link down notification from BFA physical port module.
|
|
*/
|
|
void
|
|
bfa_fcs_fabric_link_down(struct bfa_fcs_fabric_s *fabric)
|
|
{
|
|
bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn);
|
|
bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LINK_DOWN);
|
|
}
|
|
|
|
/*
|
|
* A child vport is being created in the fabric.
|
|
*
|
|
* Call from vport module at vport creation. A list of base port and vports
|
|
* belonging to a fabric is maintained to propagate link events.
|
|
*
|
|
* param[in] fabric - Fabric instance. This can be a base fabric or vf.
|
|
* param[in] vport - Vport being created.
|
|
*
|
|
* @return None (always succeeds)
|
|
*/
|
|
void
|
|
bfa_fcs_fabric_addvport(struct bfa_fcs_fabric_s *fabric,
|
|
struct bfa_fcs_vport_s *vport)
|
|
{
|
|
/*
|
|
* - add vport to fabric's vport_q
|
|
*/
|
|
bfa_trc(fabric->fcs, fabric->vf_id);
|
|
|
|
list_add_tail(&vport->qe, &fabric->vport_q);
|
|
fabric->num_vports++;
|
|
bfa_wc_up(&fabric->wc);
|
|
}
|
|
|
|
/*
|
|
* A child vport is being deleted from fabric.
|
|
*
|
|
* Vport is being deleted.
|
|
*/
|
|
void
|
|
bfa_fcs_fabric_delvport(struct bfa_fcs_fabric_s *fabric,
|
|
struct bfa_fcs_vport_s *vport)
|
|
{
|
|
list_del(&vport->qe);
|
|
fabric->num_vports--;
|
|
bfa_wc_down(&fabric->wc);
|
|
}
|
|
|
|
|
|
/*
|
|
* Lookup for a vport within a fabric given its pwwn
|
|
*/
|
|
struct bfa_fcs_vport_s *
|
|
bfa_fcs_fabric_vport_lookup(struct bfa_fcs_fabric_s *fabric, wwn_t pwwn)
|
|
{
|
|
struct bfa_fcs_vport_s *vport;
|
|
struct list_head *qe;
|
|
|
|
list_for_each(qe, &fabric->vport_q) {
|
|
vport = (struct bfa_fcs_vport_s *) qe;
|
|
if (bfa_fcs_lport_get_pwwn(&vport->lport) == pwwn)
|
|
return vport;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/*
|
|
* Get OUI of the attached switch.
|
|
*
|
|
* Note : Use of this function should be avoided as much as possible.
|
|
* This function should be used only if there is any requirement
|
|
* to check for FOS version below 6.3.
|
|
* To check if the attached fabric is a brocade fabric, use
|
|
* bfa_lps_is_brcd_fabric() which works for FOS versions 6.3
|
|
* or above only.
|
|
*/
|
|
|
|
u16
|
|
bfa_fcs_fabric_get_switch_oui(struct bfa_fcs_fabric_s *fabric)
|
|
{
|
|
wwn_t fab_nwwn;
|
|
u8 *tmp;
|
|
u16 oui;
|
|
|
|
fab_nwwn = fabric->lps->pr_nwwn;
|
|
|
|
tmp = (u8 *)&fab_nwwn;
|
|
oui = (tmp[3] << 8) | tmp[4];
|
|
|
|
return oui;
|
|
}
|
|
/*
|
|
* Unsolicited frame receive handling.
|
|
*/
|
|
void
|
|
bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric, struct fchs_s *fchs,
|
|
u16 len)
|
|
{
|
|
u32 pid = fchs->d_id;
|
|
struct bfa_fcs_vport_s *vport;
|
|
struct list_head *qe;
|
|
struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
|
|
struct fc_logi_s *flogi = (struct fc_logi_s *) els_cmd;
|
|
|
|
bfa_trc(fabric->fcs, len);
|
|
bfa_trc(fabric->fcs, pid);
|
|
|
|
/*
|
|
* Look for our own FLOGI frames being looped back. This means an
|
|
* external loopback cable is in place. Our own FLOGI frames are
|
|
* sometimes looped back when switch port gets temporarily bypassed.
|
|
*/
|
|
if ((pid == bfa_ntoh3b(FC_FABRIC_PORT)) &&
|
|
(els_cmd->els_code == FC_ELS_FLOGI) &&
|
|
(flogi->port_name == bfa_fcs_lport_get_pwwn(&fabric->bport))) {
|
|
bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LOOPBACK);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* FLOGI/EVFP exchanges should be consumed by base fabric.
|
|
*/
|
|
if (fchs->d_id == bfa_hton3b(FC_FABRIC_PORT)) {
|
|
bfa_trc(fabric->fcs, pid);
|
|
bfa_fcs_fabric_process_uf(fabric, fchs, len);
|
|
return;
|
|
}
|
|
|
|
if (fabric->bport.pid == pid) {
|
|
/*
|
|
* All authentication frames should be routed to auth
|
|
*/
|
|
bfa_trc(fabric->fcs, els_cmd->els_code);
|
|
if (els_cmd->els_code == FC_ELS_AUTH) {
|
|
bfa_trc(fabric->fcs, els_cmd->els_code);
|
|
return;
|
|
}
|
|
|
|
bfa_trc(fabric->fcs, *(u8 *) ((u8 *) fchs));
|
|
bfa_fcs_lport_uf_recv(&fabric->bport, fchs, len);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* look for a matching local port ID
|
|
*/
|
|
list_for_each(qe, &fabric->vport_q) {
|
|
vport = (struct bfa_fcs_vport_s *) qe;
|
|
if (vport->lport.pid == pid) {
|
|
bfa_fcs_lport_uf_recv(&vport->lport, fchs, len);
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (!bfa_fcs_fabric_is_switched(fabric))
|
|
bfa_fcs_lport_uf_recv(&fabric->bport, fchs, len);
|
|
|
|
bfa_trc(fabric->fcs, fchs->type);
|
|
}
|
|
|
|
/*
|
|
* Unsolicited frames to be processed by fabric.
|
|
*/
|
|
static void
|
|
bfa_fcs_fabric_process_uf(struct bfa_fcs_fabric_s *fabric, struct fchs_s *fchs,
|
|
u16 len)
|
|
{
|
|
struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
|
|
|
|
bfa_trc(fabric->fcs, els_cmd->els_code);
|
|
|
|
switch (els_cmd->els_code) {
|
|
case FC_ELS_FLOGI:
|
|
bfa_fcs_fabric_process_flogi(fabric, fchs, len);
|
|
break;
|
|
|
|
default:
|
|
/*
|
|
* need to generate a LS_RJT
|
|
*/
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Process incoming FLOGI
|
|
*/
|
|
static void
|
|
bfa_fcs_fabric_process_flogi(struct bfa_fcs_fabric_s *fabric,
|
|
struct fchs_s *fchs, u16 len)
|
|
{
|
|
struct fc_logi_s *flogi = (struct fc_logi_s *) (fchs + 1);
|
|
struct bfa_fcs_lport_s *bport = &fabric->bport;
|
|
|
|
bfa_trc(fabric->fcs, fchs->s_id);
|
|
|
|
fabric->stats.flogi_rcvd++;
|
|
/*
|
|
* Check port type. It should be 0 = n-port.
|
|
*/
|
|
if (flogi->csp.port_type) {
|
|
/*
|
|
* @todo: may need to send a LS_RJT
|
|
*/
|
|
bfa_trc(fabric->fcs, flogi->port_name);
|
|
fabric->stats.flogi_rejected++;
|
|
return;
|
|
}
|
|
|
|
fabric->bb_credit = be16_to_cpu(flogi->csp.bbcred);
|
|
bport->port_topo.pn2n.rem_port_wwn = flogi->port_name;
|
|
bport->port_topo.pn2n.reply_oxid = fchs->ox_id;
|
|
|
|
/*
|
|
* Send a Flogi Acc
|
|
*/
|
|
bfa_fcs_fabric_send_flogi_acc(fabric);
|
|
bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_NO_FABRIC);
|
|
}
|
|
|
|
static void
|
|
bfa_fcs_fabric_send_flogi_acc(struct bfa_fcs_fabric_s *fabric)
|
|
{
|
|
struct bfa_lport_cfg_s *pcfg = &fabric->bport.port_cfg;
|
|
struct bfa_fcs_lport_n2n_s *n2n_port = &fabric->bport.port_topo.pn2n;
|
|
struct bfa_s *bfa = fabric->fcs->bfa;
|
|
struct bfa_fcxp_s *fcxp;
|
|
u16 reqlen;
|
|
struct fchs_s fchs;
|
|
|
|
fcxp = bfa_fcs_fcxp_alloc(fabric->fcs, BFA_FALSE);
|
|
/*
|
|
* Do not expect this failure -- expect remote node to retry
|
|
*/
|
|
if (!fcxp)
|
|
return;
|
|
|
|
reqlen = fc_flogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
|
|
bfa_hton3b(FC_FABRIC_PORT),
|
|
n2n_port->reply_oxid, pcfg->pwwn,
|
|
pcfg->nwwn,
|
|
bfa_fcport_get_maxfrsize(bfa),
|
|
bfa_fcport_get_rx_bbcredit(bfa), 0);
|
|
|
|
bfa_fcxp_send(fcxp, NULL, fabric->vf_id, fabric->lps->bfa_tag,
|
|
BFA_FALSE, FC_CLASS_3,
|
|
reqlen, &fchs, bfa_fcs_fabric_flogiacc_comp, fabric,
|
|
FC_MAX_PDUSZ, 0);
|
|
}
|
|
|
|
/*
|
|
* Flogi Acc completion callback.
|
|
*/
|
|
static void
|
|
bfa_fcs_fabric_flogiacc_comp(void *fcsarg, struct bfa_fcxp_s *fcxp, void *cbarg,
|
|
bfa_status_t status, u32 rsp_len,
|
|
u32 resid_len, struct fchs_s *rspfchs)
|
|
{
|
|
struct bfa_fcs_fabric_s *fabric = cbarg;
|
|
|
|
bfa_trc(fabric->fcs, status);
|
|
}
|
|
|
|
|
|
/*
|
|
* Send AEN notification
|
|
*/
|
|
static void
|
|
bfa_fcs_fabric_aen_post(struct bfa_fcs_lport_s *port,
|
|
enum bfa_port_aen_event event)
|
|
{
|
|
struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
|
|
struct bfa_aen_entry_s *aen_entry;
|
|
|
|
bfad_get_aen_entry(bfad, aen_entry);
|
|
if (!aen_entry)
|
|
return;
|
|
|
|
aen_entry->aen_data.port.pwwn = bfa_fcs_lport_get_pwwn(port);
|
|
aen_entry->aen_data.port.fwwn = bfa_fcs_lport_get_fabric_name(port);
|
|
|
|
/* Send the AEN notification */
|
|
bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,
|
|
BFA_AEN_CAT_PORT, event);
|
|
}
|
|
|
|
/*
|
|
*
|
|
* @param[in] fabric - fabric
|
|
* @param[in] wwn_t - new fabric name
|
|
*
|
|
* @return - none
|
|
*/
|
|
void
|
|
bfa_fcs_fabric_set_fabric_name(struct bfa_fcs_fabric_s *fabric,
|
|
wwn_t fabric_name)
|
|
{
|
|
struct bfad_s *bfad = (struct bfad_s *)fabric->fcs->bfad;
|
|
char pwwn_ptr[BFA_STRING_32];
|
|
char fwwn_ptr[BFA_STRING_32];
|
|
|
|
bfa_trc(fabric->fcs, fabric_name);
|
|
|
|
if (fabric->fabric_name == 0) {
|
|
/*
|
|
* With BRCD switches, we don't get Fabric Name in FLOGI.
|
|
* Don't generate a fabric name change event in this case.
|
|
*/
|
|
fabric->fabric_name = fabric_name;
|
|
} else {
|
|
fabric->fabric_name = fabric_name;
|
|
wwn2str(pwwn_ptr, bfa_fcs_lport_get_pwwn(&fabric->bport));
|
|
wwn2str(fwwn_ptr,
|
|
bfa_fcs_lport_get_fabric_name(&fabric->bport));
|
|
BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
|
|
"Base port WWN = %s Fabric WWN = %s\n",
|
|
pwwn_ptr, fwwn_ptr);
|
|
bfa_fcs_fabric_aen_post(&fabric->bport,
|
|
BFA_PORT_AEN_FABRIC_NAME_CHANGE);
|
|
}
|
|
}
|
|
|
|
void
|
|
bfa_cb_lps_flogo_comp(void *bfad, void *uarg)
|
|
{
|
|
struct bfa_fcs_fabric_s *fabric = uarg;
|
|
bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_LOGOCOMP);
|
|
}
|
|
|
|
/*
|
|
* Returns FCS vf structure for a given vf_id.
|
|
*
|
|
* param[in] vf_id - VF_ID
|
|
*
|
|
* return
|
|
* If lookup succeeds, retuns fcs vf object, otherwise returns NULL
|
|
*/
|
|
bfa_fcs_vf_t *
|
|
bfa_fcs_vf_lookup(struct bfa_fcs_s *fcs, u16 vf_id)
|
|
{
|
|
bfa_trc(fcs, vf_id);
|
|
if (vf_id == FC_VF_ID_NULL)
|
|
return &fcs->fabric;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* Return the list of local logical ports present in the given VF.
|
|
*
|
|
* @param[in] vf vf for which logical ports are returned
|
|
* @param[out] lpwwn returned logical port wwn list
|
|
* @param[in,out] nlports in:size of lpwwn list;
|
|
* out:total elements present,
|
|
* actual elements returned is limited by the size
|
|
*/
|
|
void
|
|
bfa_fcs_vf_get_ports(bfa_fcs_vf_t *vf, wwn_t lpwwn[], int *nlports)
|
|
{
|
|
struct list_head *qe;
|
|
struct bfa_fcs_vport_s *vport;
|
|
int i = 0;
|
|
struct bfa_fcs_s *fcs;
|
|
|
|
if (vf == NULL || lpwwn == NULL || *nlports == 0)
|
|
return;
|
|
|
|
fcs = vf->fcs;
|
|
|
|
bfa_trc(fcs, vf->vf_id);
|
|
bfa_trc(fcs, (uint32_t) *nlports);
|
|
|
|
lpwwn[i++] = vf->bport.port_cfg.pwwn;
|
|
|
|
list_for_each(qe, &vf->vport_q) {
|
|
if (i >= *nlports)
|
|
break;
|
|
|
|
vport = (struct bfa_fcs_vport_s *) qe;
|
|
lpwwn[i++] = vport->lport.port_cfg.pwwn;
|
|
}
|
|
|
|
bfa_trc(fcs, i);
|
|
*nlports = i;
|
|
}
|
|
|
|
/*
|
|
* BFA FCS PPORT ( physical port)
|
|
*/
|
|
static void
|
|
bfa_fcs_port_event_handler(void *cbarg, enum bfa_port_linkstate event)
|
|
{
|
|
struct bfa_fcs_s *fcs = cbarg;
|
|
|
|
bfa_trc(fcs, event);
|
|
|
|
switch (event) {
|
|
case BFA_PORT_LINKUP:
|
|
bfa_fcs_fabric_link_up(&fcs->fabric);
|
|
break;
|
|
|
|
case BFA_PORT_LINKDOWN:
|
|
bfa_fcs_fabric_link_down(&fcs->fabric);
|
|
break;
|
|
|
|
default:
|
|
WARN_ON(1);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* BFA FCS UF ( Unsolicited Frames)
|
|
*/
|
|
|
|
/*
|
|
* BFA callback for unsolicited frame receive handler.
|
|
*
|
|
* @param[in] cbarg callback arg for receive handler
|
|
* @param[in] uf unsolicited frame descriptor
|
|
*
|
|
* @return None
|
|
*/
|
|
static void
|
|
bfa_fcs_uf_recv(void *cbarg, struct bfa_uf_s *uf)
|
|
{
|
|
struct bfa_fcs_s *fcs = (struct bfa_fcs_s *) cbarg;
|
|
struct fchs_s *fchs = bfa_uf_get_frmbuf(uf);
|
|
u16 len = bfa_uf_get_frmlen(uf);
|
|
struct fc_vft_s *vft;
|
|
struct bfa_fcs_fabric_s *fabric;
|
|
|
|
/*
|
|
* check for VFT header
|
|
*/
|
|
if (fchs->routing == FC_RTG_EXT_HDR &&
|
|
fchs->cat_info == FC_CAT_VFT_HDR) {
|
|
bfa_stats(fcs, uf.tagged);
|
|
vft = bfa_uf_get_frmbuf(uf);
|
|
if (fcs->port_vfid == vft->vf_id)
|
|
fabric = &fcs->fabric;
|
|
else
|
|
fabric = bfa_fcs_vf_lookup(fcs, (u16) vft->vf_id);
|
|
|
|
/*
|
|
* drop frame if vfid is unknown
|
|
*/
|
|
if (!fabric) {
|
|
WARN_ON(1);
|
|
bfa_stats(fcs, uf.vfid_unknown);
|
|
bfa_uf_free(uf);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* skip vft header
|
|
*/
|
|
fchs = (struct fchs_s *) (vft + 1);
|
|
len -= sizeof(struct fc_vft_s);
|
|
|
|
bfa_trc(fcs, vft->vf_id);
|
|
} else {
|
|
bfa_stats(fcs, uf.untagged);
|
|
fabric = &fcs->fabric;
|
|
}
|
|
|
|
bfa_trc(fcs, ((u32 *) fchs)[0]);
|
|
bfa_trc(fcs, ((u32 *) fchs)[1]);
|
|
bfa_trc(fcs, ((u32 *) fchs)[2]);
|
|
bfa_trc(fcs, ((u32 *) fchs)[3]);
|
|
bfa_trc(fcs, ((u32 *) fchs)[4]);
|
|
bfa_trc(fcs, ((u32 *) fchs)[5]);
|
|
bfa_trc(fcs, len);
|
|
|
|
bfa_fcs_fabric_uf_recv(fabric, fchs, len);
|
|
bfa_uf_free(uf);
|
|
}
|
|
|
|
/*
|
|
* fcs attach -- called once to initialize data structures at driver attach time
|
|
*/
|
|
void
|
|
bfa_fcs_attach(struct bfa_fcs_s *fcs, struct bfa_s *bfa, struct bfad_s *bfad,
|
|
bfa_boolean_t min_cfg)
|
|
{
|
|
struct bfa_fcs_fabric_s *fabric = &fcs->fabric;
|
|
|
|
fcs->bfa = bfa;
|
|
fcs->bfad = bfad;
|
|
fcs->min_cfg = min_cfg;
|
|
fcs->num_rport_logins = 0;
|
|
|
|
bfa->fcs = BFA_TRUE;
|
|
fcbuild_init();
|
|
|
|
bfa_fcport_event_register(fcs->bfa, bfa_fcs_port_event_handler, fcs);
|
|
bfa_uf_recv_register(fcs->bfa, bfa_fcs_uf_recv, fcs);
|
|
|
|
memset(fabric, 0, sizeof(struct bfa_fcs_fabric_s));
|
|
|
|
/*
|
|
* Initialize base fabric.
|
|
*/
|
|
fabric->fcs = fcs;
|
|
INIT_LIST_HEAD(&fabric->vport_q);
|
|
INIT_LIST_HEAD(&fabric->vf_q);
|
|
fabric->lps = bfa_lps_alloc(fcs->bfa);
|
|
WARN_ON(!fabric->lps);
|
|
|
|
/*
|
|
* Initialize fabric delete completion handler. Fabric deletion is
|
|
* complete when the last vport delete is complete.
|
|
*/
|
|
bfa_wc_init(&fabric->wc, bfa_fcs_fabric_delete_comp, fabric);
|
|
bfa_wc_up(&fabric->wc); /* For the base port */
|
|
|
|
bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_uninit);
|
|
bfa_fcs_lport_attach(&fabric->bport, fabric->fcs, FC_VF_ID_NULL, NULL);
|
|
}
|