+++ /dev/null
-/*
- * 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)
-{
-}
-
-
projects / mv-sheeva.git / blobdiff