diff options
Diffstat (limited to 'drivers/scsi/bfa/fabric.c')
| -rw-r--r-- | drivers/scsi/bfa/fabric.c | 1323 |
1 files changed, 0 insertions, 1323 deletions
diff --git a/drivers/scsi/bfa/fabric.c b/drivers/scsi/bfa/fabric.c deleted file mode 100644 index ddd4ba9317e6..000000000000 --- a/drivers/scsi/bfa/fabric.c +++ /dev/null @@ -1,1323 +0,0 @@ -/* - * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - * - * Linux driver for Brocade Fibre Channel Host Bus Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ - -/** - * fabric.c Fabric module implementation. - */ - -#include "fcs_fabric.h" -#include "fcs_lport.h" -#include "fcs_vport.h" -#include "fcs_trcmod.h" -#include "fcs_fcxp.h" -#include "fcs_auth.h" -#include "fcs.h" -#include "fcbuild.h" -#include <log/bfa_log_fcs.h> -#include <aen/bfa_aen_port.h> -#include <bfa_svc.h> - -BFA_TRC_FILE(FCS, FABRIC); - -#define BFA_FCS_FABRIC_RETRY_DELAY (2000) /* Milliseconds */ -#define BFA_FCS_FABRIC_CLEANUP_DELAY (10000) /* Milliseconds */ - -#define bfa_fcs_fabric_set_opertype(__fabric) do { \ - if (bfa_fcport_get_topology((__fabric)->fcs->bfa) \ - == BFA_PPORT_TOPOLOGY_P2P) \ - (__fabric)->oper_type = BFA_PPORT_TYPE_NPORT; \ - else \ - (__fabric)->oper_type = BFA_PPORT_TYPE_NLPORT; \ -} while (0) - -/* - * forward declarations - */ -static void bfa_fcs_fabric_init(struct bfa_fcs_fabric_s *fabric); -static void bfa_fcs_fabric_login(struct bfa_fcs_fabric_s *fabric); -static void bfa_fcs_fabric_notify_online(struct bfa_fcs_fabric_s *fabric); -static void bfa_fcs_fabric_notify_offline(struct bfa_fcs_fabric_s *fabric); -static void bfa_fcs_fabric_delay(void *cbarg); -static void bfa_fcs_fabric_delete(struct bfa_fcs_fabric_s *fabric); -static void bfa_fcs_fabric_delete_comp(void *cbarg); -static void bfa_fcs_fabric_process_uf(struct bfa_fcs_fabric_s *fabric, - struct fchs_s *fchs, u16 len); -static void bfa_fcs_fabric_process_flogi(struct bfa_fcs_fabric_s *fabric, - struct fchs_s *fchs, u16 len); -static void bfa_fcs_fabric_send_flogi_acc(struct bfa_fcs_fabric_s *fabric); -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); -/** - * fcs_fabric_sm fabric state machine functions - */ - -/** - * Fabric state machine events - */ -enum bfa_fcs_fabric_event { - BFA_FCS_FABRIC_SM_CREATE = 1, /* fabric create from driver */ - BFA_FCS_FABRIC_SM_DELETE = 2, /* fabric delete from driver */ - BFA_FCS_FABRIC_SM_LINK_DOWN = 3, /* link down from port */ - BFA_FCS_FABRIC_SM_LINK_UP = 4, /* link up from port */ - BFA_FCS_FABRIC_SM_CONT_OP = 5, /* continue op from flogi/auth */ - BFA_FCS_FABRIC_SM_RETRY_OP = 6, /* continue op from flogi/auth */ - BFA_FCS_FABRIC_SM_NO_FABRIC = 7, /* no fabric from flogi/auth - */ - BFA_FCS_FABRIC_SM_PERF_EVFP = 8, /* perform EVFP from - *flogi/auth */ - BFA_FCS_FABRIC_SM_ISOLATE = 9, /* isolate from EVFP processing */ - BFA_FCS_FABRIC_SM_NO_TAGGING = 10,/* no VFT tagging from EVFP */ - BFA_FCS_FABRIC_SM_DELAYED = 11, /* timeout delay event */ - BFA_FCS_FABRIC_SM_AUTH_FAILED = 12, /* authentication failed */ - BFA_FCS_FABRIC_SM_AUTH_SUCCESS = 13, /* authentication successful - */ - BFA_FCS_FABRIC_SM_DELCOMP = 14, /* all vports deleted event */ - BFA_FCS_FABRIC_SM_LOOPBACK = 15, /* Received our own FLOGI */ - BFA_FCS_FABRIC_SM_START = 16, /* fabric delete from driver */ -}; - -static void bfa_fcs_fabric_sm_uninit(struct bfa_fcs_fabric_s *fabric, - enum bfa_fcs_fabric_event event); -static void bfa_fcs_fabric_sm_created(struct bfa_fcs_fabric_s *fabric, - enum bfa_fcs_fabric_event event); -static void bfa_fcs_fabric_sm_linkdown(struct bfa_fcs_fabric_s *fabric, - enum bfa_fcs_fabric_event event); -static void bfa_fcs_fabric_sm_flogi(struct bfa_fcs_fabric_s *fabric, - enum bfa_fcs_fabric_event event); -static void bfa_fcs_fabric_sm_flogi_retry(struct bfa_fcs_fabric_s *fabric, - enum bfa_fcs_fabric_event event); -static void bfa_fcs_fabric_sm_auth(struct bfa_fcs_fabric_s *fabric, - enum bfa_fcs_fabric_event event); -static void bfa_fcs_fabric_sm_auth_failed(struct bfa_fcs_fabric_s *fabric, - enum bfa_fcs_fabric_event event); -static void bfa_fcs_fabric_sm_loopback(struct bfa_fcs_fabric_s *fabric, - enum bfa_fcs_fabric_event event); -static void bfa_fcs_fabric_sm_nofabric(struct bfa_fcs_fabric_s *fabric, - enum bfa_fcs_fabric_event event); -static void bfa_fcs_fabric_sm_online(struct bfa_fcs_fabric_s *fabric, - enum bfa_fcs_fabric_event event); -static void bfa_fcs_fabric_sm_evfp(struct bfa_fcs_fabric_s *fabric, - enum bfa_fcs_fabric_event event); -static void bfa_fcs_fabric_sm_evfp_done(struct bfa_fcs_fabric_s *fabric, - enum bfa_fcs_fabric_event event); -static void bfa_fcs_fabric_sm_isolated(struct bfa_fcs_fabric_s *fabric, - enum bfa_fcs_fabric_event event); -static void bfa_fcs_fabric_sm_deleting(struct bfa_fcs_fabric_s *fabric, - enum bfa_fcs_fabric_event event); -/** - * Beginning state before fabric creation. - */ -static void -bfa_fcs_fabric_sm_uninit(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_CREATE: - bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_created); - bfa_fcs_fabric_init(fabric); - bfa_fcs_lport_init(&fabric->bport, &fabric->bport.port_cfg); - break; - - case BFA_FCS_FABRIC_SM_LINK_UP: - case BFA_FCS_FABRIC_SM_LINK_DOWN: - break; - - default: - bfa_sm_fault(fabric->fcs, event); - } -} - -/** - * Beginning state before fabric creation. - */ -static void -bfa_fcs_fabric_sm_created(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_START: - if (bfa_fcport_is_linkup(fabric->fcs->bfa)) { - bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi); - bfa_fcs_fabric_login(fabric); - } else - bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); - break; - - case BFA_FCS_FABRIC_SM_LINK_UP: - case BFA_FCS_FABRIC_SM_LINK_DOWN: - break; - - case BFA_FCS_FABRIC_SM_DELETE: - bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_uninit); - bfa_fcs_modexit_comp(fabric->fcs); - break; - - default: - bfa_sm_fault(fabric->fcs, event); - } -} - -/** - * Link is down, awaiting LINK UP event from port. This is also the - * first state at fabric creation. - */ -static void -bfa_fcs_fabric_sm_linkdown(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_UP: - bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi); - bfa_fcs_fabric_login(fabric); - break; - - case BFA_FCS_FABRIC_SM_RETRY_OP: - 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); - } -} - -/** - * FLOGI is in progress, awaiting FLOGI reply. - */ -static void -bfa_fcs_fabric_sm_flogi(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_fcport_set_tx_bbcredit(fabric->fcs->bfa, fabric->bb_credit); - fabric->fab_type = BFA_FCS_FABRIC_SWITCHED; - - if (fabric->auth_reqd && fabric->is_auth) { - bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_auth); - bfa_trc(fabric->fcs, event); - } else { - bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_online); - bfa_fcs_fabric_notify_online(fabric); - } - break; - - case BFA_FCS_FABRIC_SM_RETRY_OP: - bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi_retry); - bfa_timer_start(fabric->fcs->bfa, &fabric->delay_timer, - bfa_fcs_fabric_delay, fabric, - BFA_FCS_FABRIC_RETRY_DELAY); - break; - - case BFA_FCS_FABRIC_SM_LOOPBACK: - bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_loopback); - bfa_lps_discard(fabric->lps); - bfa_fcs_fabric_set_opertype(fabric); - break; - - case BFA_FCS_FABRIC_SM_NO_FABRIC: - fabric->fab_type = BFA_FCS_FABRIC_N2N; - bfa_fcport_set_tx_bbcredit(fabric->fcs->bfa, fabric->bb_credit); - bfa_fcs_fabric_notify_online(fabric); - bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_nofabric); - break; - - case BFA_FCS_FABRIC_SM_LINK_DOWN: - bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); - bfa_lps_discard(fabric->lps); - break; - - case BFA_FCS_FABRIC_SM_DELETE: - bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); - bfa_lps_discard(fabric->lps); - bfa_fcs_fabric_delete(fabric); - break; - - default: - bfa_sm_fault(fabric->fcs, event); - } -} - - -static void -bfa_fcs_fabric_sm_flogi_retry(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_DELAYED: - bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi); - bfa_fcs_fabric_login(fabric); - break; - - case BFA_FCS_FABRIC_SM_LINK_DOWN: - bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); - bfa_timer_stop(&fabric->delay_timer); - break; - - case BFA_FCS_FABRIC_SM_DELETE: - bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_deleting); - bfa_timer_stop(&fabric->delay_timer); - bfa_fcs_fabric_delete(fabric); - break; - - default: - bfa_sm_fault(fabric->fcs, event); - } -} - -/** - * Authentication is in progress, awaiting authentication results. - */ -static void -bfa_fcs_fabric_sm_auth(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_AUTH_FAILED: - bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_auth_failed); - bfa_lps_discard(fabric->lps); - break; - - case BFA_FCS_FABRIC_SM_AUTH_SUCCESS: - bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_online); - bfa_fcs_fabric_notify_online(fabric); - break; - - case BFA_FCS_FABRIC_SM_PERF_EVFP: - bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_evfp); - break; - - case BFA_FCS_FABRIC_SM_LINK_DOWN: - bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_linkdown); - bfa_lps_discard(fabric->lps); - 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 - */ -static 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. - */ -static 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_lps_discard(fabric->lps); - 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; - - default: - bfa_sm_fault(fabric->fcs, event); - } -} - -/** - * Fabric is online - normal operating state. - */ -static void -bfa_fcs_fabric_sm_online(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_lps_discard(fabric->lps); - 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_AUTH_FAILED: - bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_auth_failed); - bfa_lps_discard(fabric->lps); - 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) -{ - bfa_trc(fabric->fcs, fabric->bport.port_cfg.pwwn); - bfa_trc(fabric->fcs, event); - - bfa_log(fabric->fcs->logm, BFA_LOG_FCS_FABRIC_ISOLATED, - fabric->bport.port_cfg.pwwn, 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_fcs_modexit_comp(fabric->fcs); - 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); - } -} - - - -/** - * fcs_fabric_private fabric private functions - */ - -static void -bfa_fcs_fabric_init(struct bfa_fcs_fabric_s *fabric) -{ - struct bfa_port_cfg_s *port_cfg = &fabric->bport.port_cfg; - - port_cfg->roles = BFA_PORT_ROLE_FCP_IM; - port_cfg->nwwn = bfa_ioc_get_nwwn(&fabric->fcs->bfa->ioc); - port_cfg->pwwn = bfa_ioc_get_pwwn(&fabric->fcs->bfa->ioc); -} - -/** - * Port Symbolic Name Creation for base port. - */ -void -bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric) -{ - struct bfa_port_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 - */ - strncpy((char *)&port_cfg->sym_name, model, - BFA_FCS_PORT_SYMBNAME_MODEL_SZ); - strncat((char *)&port_cfg->sym_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR, - sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); - - /* - * Driver Version - */ - strncat((char *)&port_cfg->sym_name, (char *)driver_info->version, - BFA_FCS_PORT_SYMBNAME_VERSION_SZ); - strncat((char *)&port_cfg->sym_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR, - sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); - - /* - * Host machine name - */ - strncat((char *)&port_cfg->sym_name, - (char *)driver_info->host_machine_name, - BFA_FCS_PORT_SYMBNAME_MACHINENAME_SZ); - strncat((char *)&port_cfg->sym_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR, - sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); - - /* - * 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') { - strncat((char *)&port_cfg->sym_name, - (char *)driver_info->host_os_name, BFA_FCS_OS_STR_LEN); - strncat((char *)&port_cfg->sym_name, - BFA_FCS_PORT_SYMBNAME_SEPARATOR, - sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); - } else { - strncat((char *)&port_cfg->sym_name, - (char *)driver_info->host_os_name, - BFA_FCS_PORT_SYMBNAME_OSINFO_SZ); - strncat((char *)&port_cfg->sym_name, - BFA_FCS_PORT_SYMBNAME_SEPARATOR, - sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR)); - - /* - * Append host OS Patch Info - */ - strncat((char *)&port_cfg->sym_name, - (char *)driver_info->host_os_patch, - BFA_FCS_PORT_SYMBNAME_OSPATCH_SZ); - } - - /* - * null terminate - */ - port_cfg->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 (bfa_lps_get_extstatus(fabric->lps)) { - 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 = bfa_lps_get_peer_bbcredit(fabric->lps); - bfa_trc(fabric->fcs, fabric->bb_credit); - - if (!bfa_lps_is_brcd_fabric(fabric->lps)) - fabric->fabric_name = bfa_lps_get_peer_nwwn(fabric->lps); - - /* - * Check port type. It should be 1 = F-port. - */ - if (bfa_lps_is_fport(fabric->lps)) { - fabric->bport.pid = bfa_lps_get_pid(fabric->lps); - fabric->is_npiv = bfa_lps_is_npiv_en(fabric->lps); - fabric->is_auth = bfa_lps_is_authreq(fabric->lps); - 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 = - bfa_lps_get_peer_pwwn(fabric->lps); - 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_port_cfg_s *pcfg = &fabric->bport.port_cfg; - u8 alpa = 0; - - if (bfa_fcport_get_topology(bfa) == BFA_PPORT_TOPOLOGY_LOOP) - alpa = bfa_fcport_get_myalpa(bfa); - - 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_port_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_port_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); -} - -/** - * 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_port_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); -} - - - -/** - * fcs_fabric_public fabric public functions - */ - -/** - * Attach time initialization - */ -void -bfa_fcs_fabric_attach(struct bfa_fcs_s *fcs) -{ - struct bfa_fcs_fabric_s *fabric; - - fabric = &fcs->fabric; - bfa_os_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); - bfa_assert(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); -} - -void -bfa_fcs_fabric_modinit(struct bfa_fcs_s *fcs) -{ - bfa_sm_send_event(&fcs->fabric, BFA_FCS_FABRIC_SM_CREATE); - bfa_trc(fcs, 0); -} - -/** - * Module cleanup - */ -void -bfa_fcs_fabric_modexit(struct bfa_fcs_s *fcs) -{ - struct bfa_fcs_fabric_s *fabric; - - bfa_trc(fcs, 0); - - /** - * Cleanup base fabric. - */ - fabric = &fcs->fabric; - bfa_lps_delete(fabric->lps); - bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_DELETE); -} - -/** - * 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); -} - -/** - * Suspend fabric activity as part of driver suspend. - */ -void -bfa_fcs_fabric_modsusp(struct bfa_fcs_s *fcs) -{ -} - -bfa_boolean_t -bfa_fcs_fabric_is_loopback(struct bfa_fcs_fabric_s *fabric) -{ - return bfa_sm_cmp_state(fabric, bfa_fcs_fabric_sm_loopback); -} - -bfa_boolean_t -bfa_fcs_fabric_is_auth_failed(struct bfa_fcs_fabric_s *fabric) -{ - return bfa_sm_cmp_state(fabric, bfa_fcs_fabric_sm_auth_failed); -} - -enum bfa_pport_type -bfa_fcs_fabric_port_type(struct bfa_fcs_fabric_s *fabric) -{ - return fabric->oper_type; -} - -/** - * 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); -} - -/** - * Base port is deleted. - */ -void -bfa_fcs_fabric_port_delete_comp(struct bfa_fcs_fabric_s *fabric) -{ - bfa_wc_down(&fabric->wc); -} - -/** - * Check if fabric is online. - * - * param[in] fabric - Fabric instance. This can be a base fabric or vf. - * - * @return TRUE/FALSE - */ -int -bfa_fcs_fabric_is_online(struct bfa_fcs_fabric_s *fabric) -{ - return bfa_sm_cmp_state(fabric, bfa_fcs_fabric_sm_online); -} - - -bfa_status_t -bfa_fcs_fabric_addvf(struct bfa_fcs_fabric_s *vf, struct bfa_fcs_s *fcs, - struct bfa_port_cfg_s *port_cfg, - struct bfad_vf_s *vf_drv) -{ - bfa_sm_set_state(vf, bfa_fcs_fabric_sm_uninit); - return BFA_STATUS_OK; -} - -/** - * Lookup for a vport withing 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_port_get_pwwn(&vport->lport) == pwwn) - return vport; - } - - return NULL; -} - -/** - * In a given fabric, return the number of lports. - * - * param[in] fabric - Fabric instance. This can be a base fabric or vf. - * -* @return : 1 or more. - */ -u16 -bfa_fcs_fabric_vport_count(struct bfa_fcs_fabric_s *fabric) -{ - return fabric->num_vports; -} - -/* - * 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 = bfa_lps_get_peer_nwwn(fabric->lps); - - tmp = (uint8_t *)&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_os_ntoh3b(FC_FABRIC_PORT)) - && (els_cmd->els_code == FC_ELS_FLOGI) - && (flogi->port_name == bfa_fcs_port_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_os_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); - fabric->auth.response = (u8 *) els_cmd; - return; - } - - bfa_trc(fabric->fcs, *(u8 *) ((u8 *) fchs)); - bfa_fcs_port_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_port_uf_recv(&vport->lport, fchs, len); - return; - } - } - bfa_trc(fabric->fcs, els_cmd->els_code); - bfa_fcs_port_uf_recv(&fabric->bport, fchs, len); -} - -/** - * 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_port_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 = bfa_os_ntohs(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_port_cfg_s *pcfg = &fabric->bport.port_cfg; - struct bfa_fcs_port_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); - /** - * 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_os_hton3b(FC_FABRIC_PORT), - n2n_port->reply_oxid, pcfg->pwwn, - pcfg->nwwn, bfa_fcport_get_maxfrsize(bfa), - bfa_fcport_get_rx_bbcredit(bfa)); - - bfa_fcxp_send(fcxp, NULL, fabric->vf_id, bfa_lps_get_tag(fabric->lps), - BFA_FALSE, FC_CLASS_3, reqlen, &fchs, - bfa_fcs_fabric_flogiacc_comp, fabric, - FC_MAX_PDUSZ, 0); /* Timeout 0 indicates no - * response expected - */ -} - -/** - * 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); -} - -/* - * - * @param[in] fabric - fabric - * @param[in] result - 1 - * - * @return - none - */ -void -bfa_fcs_auth_finished(struct bfa_fcs_fabric_s *fabric, enum auth_status status) -{ - bfa_trc(fabric->fcs, status); - - if (status == FC_AUTH_STATE_SUCCESS) - bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_AUTH_SUCCESS); - else - bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_AUTH_FAILED); -} - -/** - * Send AEN notification - */ -static void -bfa_fcs_fabric_aen_post(struct bfa_fcs_port_s *port, - enum bfa_port_aen_event event) -{ - union bfa_aen_data_u aen_data; - struct bfa_log_mod_s *logmod = port->fcs->logm; - wwn_t pwwn = bfa_fcs_port_get_pwwn(port); - wwn_t fwwn = bfa_fcs_port_get_fabric_name(port); - char pwwn_ptr[BFA_STRING_32]; - char fwwn_ptr[BFA_STRING_32]; - - wwn2str(pwwn_ptr, pwwn); - wwn2str(fwwn_ptr, fwwn); - - bfa_log(logmod, BFA_LOG_CREATE_ID(BFA_AEN_CAT_PORT, event), - pwwn_ptr, fwwn_ptr); - - aen_data.port.pwwn = pwwn; - aen_data.port.fwwn = fwwn; -} - -/* - * - * @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) -{ - 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; - /* - * Generate a Event - */ - bfa_fcs_fabric_aen_post(&fabric->bport, - BFA_PORT_AEN_FABRIC_NAME_CHANGE); - } - -} - -/** - * - * @param[in] fabric - fabric - * @param[in] node_symname - - * Caller allocated buffer to receive the symbolic name - * - * @return - none - */ -void -bfa_fcs_get_sym_name(const struct bfa_fcs_s *fcs, char *node_symname) -{ - bfa_os_memcpy(node_symname, - fcs->fabric.bport.port_cfg.sym_name.symname, - BFA_SYMNAME_MAXLEN); -} - -/** - * Not used by FCS. - */ -void -bfa_cb_lps_flogo_comp(void *bfad, void *uarg) -{ -} - - |