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1616 lines
39 KiB
1616 lines
39 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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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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|
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/* |
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* bfa_fcs.c BFA FCS main |
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*/ |
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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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|
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BFA_TRC_FILE(FCS, FCS); |
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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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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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|
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complete(&bfad->comp); |
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} |
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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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/* |
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* fcs_api BFA FCS API |
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*/ |
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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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|
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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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/* |
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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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/* |
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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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|
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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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/* |
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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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|
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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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/* |
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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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|
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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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|
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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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/* |
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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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|
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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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|
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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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|
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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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|
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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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|
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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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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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|
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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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|
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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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* 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: |
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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_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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* Authentication failed |
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*/ |
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void |
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bfa_fcs_fabric_sm_auth_failed(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_LINK_DOWN: |
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bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); |
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bfa_fcs_fabric_notify_offline(fabric); |
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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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* Port is in loopback mode. |
|
*/ |
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void |
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bfa_fcs_fabric_sm_loopback(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_LINK_DOWN: |
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bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); |
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bfa_fcs_fabric_notify_offline(fabric); |
|
break; |
|
|
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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) |
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{ |
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struct bfa_fcs_fabric_s *fabric = &fcs->fabric; |
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fcs->bfa = bfa; |
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fcs->bfad = bfad; |
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fcs->min_cfg = min_cfg; |
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fcs->num_rport_logins = 0; |
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bfa->fcs = BFA_TRUE; |
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fcbuild_init(); |
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bfa_fcport_event_register(fcs->bfa, bfa_fcs_port_event_handler, fcs); |
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bfa_uf_recv_register(fcs->bfa, bfa_fcs_uf_recv, fcs); |
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memset(fabric, 0, sizeof(struct bfa_fcs_fabric_s)); |
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/* |
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* Initialize base fabric. |
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*/ |
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fabric->fcs = fcs; |
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INIT_LIST_HEAD(&fabric->vport_q); |
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INIT_LIST_HEAD(&fabric->vf_q); |
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fabric->lps = bfa_lps_alloc(fcs->bfa); |
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WARN_ON(!fabric->lps); |
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|
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/* |
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* Initialize fabric delete completion handler. Fabric deletion is |
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* complete when the last vport delete is complete. |
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*/ |
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bfa_wc_init(&fabric->wc, bfa_fcs_fabric_delete_comp, fabric); |
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bfa_wc_up(&fabric->wc); /* For the base port */ |
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bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_uninit); |
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bfa_fcs_lport_attach(&fabric->bport, fabric->fcs, FC_VF_ID_NULL, NULL); |
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}
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