[SCSI] bfa: cleanup driver

We have flattened the BFA hierarchy and also reduced the number of
source and header files we used to have earlier.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 1564 insertions, 45 deletions

diff --git a/drivers/scsi/bfa/bfa_fcs.c b/drivers/scsi/bfa/bfa_fcs.c
index d1a99209bf5..9cebbe30a67 100644
--- a/drivers/scsi/bfa/bfa_fcs.c
+++ b/drivers/scsi/bfa/bfa_fcs.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
+ * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
  * All rights reserved
  * www.brocade.com
  *
@@ -19,35 +19,28 @@
  *  bfa_fcs.c BFA FCS main
  */
 
-#include <fcs/bfa_fcs.h>
-#include "fcs_port.h"
-#include "fcs_uf.h"
-#include "fcs_vport.h"
-#include "fcs_rport.h"
-#include "fcs_fabric.h"
-#include "fcs_fcpim.h"
-#include "fcs_fcptm.h"
-#include "fcbuild.h"
-#include "fcs.h"
+#include "bfa_fcs.h"
+#include "bfa_fcbuild.h"
 #include "bfad_drv.h"
-#include <fcb/bfa_fcb.h>
+
+BFA_TRC_FILE(FCS, FCS);
 
 /**
  * FCS sub-modules
  */
 struct bfa_fcs_mod_s {
 	void		(*attach) (struct bfa_fcs_s *fcs);
-	void            (*modinit) (struct bfa_fcs_s *fcs);
-	void            (*modexit) (struct bfa_fcs_s *fcs);
+	void		(*modinit) (struct bfa_fcs_s *fcs);
+	void		(*modexit) (struct bfa_fcs_s *fcs);
 };
 
 #define BFA_FCS_MODULE(_mod) { _mod ## _modinit, _mod ## _modexit }
 
 static struct bfa_fcs_mod_s fcs_modules[] = {
-	{ bfa_fcs_pport_attach, NULL, NULL },
+	{ bfa_fcs_port_attach, NULL, NULL },
 	{ bfa_fcs_uf_attach, NULL, NULL },
 	{ bfa_fcs_fabric_attach, bfa_fcs_fabric_modinit,
-	 bfa_fcs_fabric_modexit },
+	  bfa_fcs_fabric_modexit },
 };
 
 /**
@@ -57,8 +50,8 @@ static struct bfa_fcs_mod_s fcs_modules[] = {
 static void
 bfa_fcs_exit_comp(void *fcs_cbarg)
 {
-	struct bfa_fcs_s *fcs = fcs_cbarg;
-	struct bfad_s *bfad = fcs->bfad;
+	struct bfa_fcs_s      *fcs = fcs_cbarg;
+	struct bfad_s         *bfad = fcs->bfad;
 
 	complete(&bfad->comp);
 }
@@ -74,9 +67,9 @@ bfa_fcs_exit_comp(void *fcs_cbarg)
  */
 void
 bfa_fcs_attach(struct bfa_fcs_s *fcs, struct bfa_s *bfa, struct bfad_s *bfad,
-			bfa_boolean_t min_cfg)
+	       bfa_boolean_t min_cfg)
 {
-	int             i;
+	int		i;
 	struct bfa_fcs_mod_s  *mod;
 
 	fcs->bfa = bfa;
@@ -86,7 +79,7 @@ bfa_fcs_attach(struct bfa_fcs_s *fcs, struct bfa_s *bfa, struct bfad_s *bfad,
 	bfa_attach_fcs(bfa);
 	fcbuild_init();
 
-	for (i = 0; i < ARRAY_SIZE(fcs_modules); i++) {
+	for (i = 0; i < sizeof(fcs_modules) / sizeof(fcs_modules[0]); i++) {
 		mod = &fcs_modules[i];
 		if (mod->attach)
 			mod->attach(fcs);
@@ -99,11 +92,11 @@ bfa_fcs_attach(struct bfa_fcs_s *fcs, struct bfa_s *bfa, struct bfad_s *bfad,
 void
 bfa_fcs_init(struct bfa_fcs_s *fcs)
 {
-	int i, npbc_vports;
+	int		i, npbc_vports;
 	struct bfa_fcs_mod_s  *mod;
 	struct bfi_pbc_vport_s pbc_vports[BFI_PBC_MAX_VPORTS];
 
-	for (i = 0; i < ARRAY_SIZE(fcs_modules); i++) {
+	for (i = 0; i < sizeof(fcs_modules) / sizeof(fcs_modules[0]); i++) {
 		mod = &fcs_modules[i];
 		if (mod->modinit)
 			mod->modinit(fcs);
@@ -111,7 +104,7 @@ bfa_fcs_init(struct bfa_fcs_s *fcs)
 	/* Initialize pbc vports */
 	if (!fcs->min_cfg) {
 		npbc_vports =
-			bfa_iocfc_get_pbc_vports(fcs->bfa, pbc_vports);
+		    bfa_iocfc_get_pbc_vports(fcs->bfa, pbc_vports);
 		for (i = 0; i < npbc_vports; i++)
 			bfa_fcb_pbc_vport_create(fcs->bfa->bfad, pbc_vports[i]);
 	}
@@ -127,12 +120,13 @@ bfa_fcs_start(struct bfa_fcs_s *fcs)
 }
 
 /**
- * 		FCS driver details initialization.
+ *	brief
+ *		FCS driver details initialization.
  *
- * 	param[in]		fcs		FCS instance
- * 	param[in]		driver_info	Driver Details
+ *	param[in]		fcs		FCS instance
+ *	param[in]		driver_info	Driver Details
  *
- * 	return None
+ *	return None
  */
 void
 bfa_fcs_driver_info_init(struct bfa_fcs_s *fcs,
@@ -145,13 +139,13 @@ bfa_fcs_driver_info_init(struct bfa_fcs_s *fcs,
 }
 
 /**
- *      @brief
- *              FCS FDMI Driver Parameter Initialization
+ *	brief
+ *		FCS FDMI Driver Parameter Initialization
  *
- *      @param[in]              fcs             FCS instance
- *      @param[in]              fdmi_enable     TRUE/FALSE
+ *	param[in]		fcs		FCS instance
+ *	param[in]		fdmi_enable	TRUE/FALSE
  *
- *      @return None
+ *	return None
  */
 void
 bfa_fcs_set_fdmi_param(struct bfa_fcs_s *fcs, bfa_boolean_t fdmi_enable)
@@ -160,22 +154,24 @@ bfa_fcs_set_fdmi_param(struct bfa_fcs_s *fcs, bfa_boolean_t fdmi_enable)
 	fcs->fdmi_enabled = fdmi_enable;
 
 }
-
 /**
- * 		FCS instance cleanup and exit.
+ *	brief
+ *		FCS instance cleanup and exit.
  *
- * 	param[in]		fcs			FCS instance
- * 	return None
+ *	param[in]		fcs			FCS instance
+ *	return None
  */
 void
 bfa_fcs_exit(struct bfa_fcs_s *fcs)
 {
 	struct bfa_fcs_mod_s  *mod;
-	int i;
+	int		nmods, i;
 
 	bfa_wc_init(&fcs->wc, bfa_fcs_exit_comp, fcs);
 
-	for (i = 0; i < ARRAY_SIZE(fcs_modules); i++) {
+	nmods = sizeof(fcs_modules) / sizeof(fcs_modules[0]);
+
+	for (i = 0; i < nmods; i++) {
 
 		mod = &fcs_modules[i];
 		if (mod->modexit) {
@@ -194,24 +190,1547 @@ bfa_fcs_trc_init(struct bfa_fcs_s *fcs, struct bfa_trc_mod_s *trcmod)
 	fcs->trcmod = trcmod;
 }
 
+void
+bfa_fcs_modexit_comp(struct bfa_fcs_s *fcs)
+{
+	bfa_wc_down(&fcs->wc);
+}
+
+/**
+ * Fabric module implementation.
+ */
+
+#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_PORT_TOPOLOGY_P2P)				\
+			(__fabric)->oper_type = BFA_PORT_TYPE_NPORT;	\
+		else							\
+			(__fabric)->oper_type = BFA_PORT_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,	/*  create from driver	      */
+	BFA_FCS_FABRIC_SM_DELETE	= 2,	/*  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,	/*  flogi/auth continue op   */
+	BFA_FCS_FABRIC_SM_RETRY_OP	= 6,	/*  flogi/auth retry op      */
+	BFA_FCS_FABRIC_SM_NO_FABRIC	= 7,	/*  from flogi/auth	      */
+	BFA_FCS_FABRIC_SM_PERF_EVFP	= 8,	/*  from flogi/auth	      */
+	BFA_FCS_FABRIC_SM_ISOLATE	= 9,	/*  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,	/*  auth failed	      */
+	BFA_FCS_FABRIC_SM_AUTH_SUCCESS	= 13,	/*  auth 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,	/*  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)
+{
+	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, 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_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_lport_cfg_s *port_cfg = &fabric->bport.port_cfg;
+
+	port_cfg->roles = BFA_LPORT_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_log_init(struct bfa_fcs_s *fcs, struct bfa_log_mod_s *logmod)
+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 */
+	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_lport_cfg_s	*pcfg = &fabric->bport.port_cfg;
+	u8			alpa = 0;
+
+	if (bfa_fcport_get_topology(bfa) == BFA_PORT_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_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)
 {
-	fcs->logm = logmod;
+	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_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);
+}
+
+/**
+ *  fcs_fabric_public fabric public functions
+ */
+
+/**
+ * Attach time initialization.
+ */
 void
-bfa_fcs_aen_init(struct bfa_fcs_s *fcs, struct bfa_aen_s *aen)
+bfa_fcs_fabric_attach(struct bfa_fcs_s *fcs)
 {
-	fcs->aen = aen;
+	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_modexit_comp(struct bfa_fcs_s *fcs)
+bfa_fcs_fabric_modinit(struct bfa_fcs_s *fcs)
 {
-	bfa_wc_down(&fcs->wc);
+	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_port_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);
+}
+
+/**
+ *	brief
+ *
+ */
+bfa_status_t
+bfa_fcs_fabric_addvf(struct bfa_fcs_fabric_s *vf, struct bfa_fcs_s *fcs,
+		     struct bfa_lport_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_lport_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 = (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_os_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_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);
+			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;
+		}
+	}
+	bfa_trc(fabric->fcs, els_cmd->els_code);
+	bfa_fcs_lport_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_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 = 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_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);
+	/**
+	 * 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);
+}
+
+/**
+ *   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] 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, log_level,
+			"Base port WWN = %s Fabric WWN = %s\n",
+			pwwn_ptr, fwwn_ptr);
+	}
+}
+
+/**
+ *  fcs_vf_api virtual fabrics API
+ */
+
+/**
+ * Enable VF mode.
+ *
+ * @param[in]		fcs		fcs module instance
+ * @param[in]		vf_id		default vf_id of port, FC_VF_ID_NULL
+ *					to use standard default vf_id of 1.
+ *
+ * @retval	BFA_STATUS_OK		vf mode is enabled
+ * @retval	BFA_STATUS_BUSY		Port is active. Port must be disabled
+ *					before VF mode can be enabled.
+ */
+bfa_status_t
+bfa_fcs_vf_mode_enable(struct bfa_fcs_s *fcs, u16 vf_id)
+{
+	return BFA_STATUS_OK;
+}
+
+/**
+ * Disable VF mode.
+ *
+ * @param[in]		fcs		fcs module instance
+ *
+ * @retval	BFA_STATUS_OK		vf mode is disabled
+ * @retval	BFA_STATUS_BUSY		VFs are present and being used. All
+ *					VFs must be deleted before disabling
+ *					VF mode.
+ */
+bfa_status_t
+bfa_fcs_vf_mode_disable(struct bfa_fcs_s *fcs)
+{
+	return BFA_STATUS_OK;
+}
+
+/**
+ *  Create a new VF instance.
+ *
+ *  A new VF is created using the given VF configuration. A VF is identified
+ *  by VF id. No duplicate VF creation is allowed with the same VF id. Once
+ *  a VF is created, VF is automatically started after link initialization
+ *  and EVFP exchange is completed.
+ *
+ *	param[in] vf	 -	FCS vf data structure. Memory is
+ *				allocated by caller (driver)
+ *	param[in] fcs	 -	FCS module
+ *	param[in] vf_cfg -	VF configuration
+ *	param[in] vf_drv -	Opaque handle back to the driver's
+ *				virtual vf structure
+ *
+ *	retval BFA_STATUS_OK VF creation is successful
+ *	retval BFA_STATUS_FAILED VF creation failed
+ *	retval BFA_STATUS_EEXIST A VF exists with the given vf_id
+ */
+bfa_status_t
+bfa_fcs_vf_create(bfa_fcs_vf_t *vf, struct bfa_fcs_s *fcs, u16 vf_id,
+		  struct bfa_lport_cfg_s *port_cfg, struct bfad_vf_s *vf_drv)
+{
+	bfa_trc(fcs, vf_id);
+	return BFA_STATUS_OK;
+}
+
+/**
+ *	Use this function to delete a BFA VF object. VF object should
+ *	be stopped before this function call.
+ *
+ *	param[in] vf - pointer to bfa_vf_t.
+ *
+ *	retval BFA_STATUS_OK	On vf deletion success
+ *	retval BFA_STATUS_BUSY VF is not in a stopped state
+ *	retval BFA_STATUS_INPROGRESS VF deletion in in progress
+ */
+bfa_status_t
+bfa_fcs_vf_delete(bfa_fcs_vf_t *vf)
+{
+	bfa_trc(vf->fcs, vf->vf_id);
+	return BFA_STATUS_OK;
+}
+
+
+/**
+ *	Returns attributes of the given VF.
+ *
+ *	param[in]	vf	pointer to bfa_vf_t.
+ *	param[out] vf_attr	vf attributes returned
+ *
+ *	return None
+ */
+void
+bfa_fcs_vf_get_attr(bfa_fcs_vf_t *vf, struct bfa_vf_attr_s *vf_attr)
+{
+	bfa_trc(vf->fcs, vf->vf_id);
+}
+
+/**
+ *	Return statistics associated with the given vf.
+ *
+ *	param[in] vf		pointer to bfa_vf_t.
+ *	param[out] vf_stats	vf statistics returned
+ *
+ *	@return None
+ */
+void
+bfa_fcs_vf_get_stats(bfa_fcs_vf_t *vf, struct bfa_vf_stats_s *vf_stats)
+{
+	bfa_os_memcpy(vf_stats, &vf->stats, sizeof(struct bfa_vf_stats_s));
+}
+
+/**
+ *	clear statistics associated with the given vf.
+ *
+ *	param[in]	vf	pointer to bfa_vf_t.
+ *
+ *	@return None
+ */
+void
+bfa_fcs_vf_clear_stats(bfa_fcs_vf_t *vf)
+{
+	bfa_os_memset(&vf->stats, 0, sizeof(struct bfa_vf_stats_s));
+}
+
+/**
+ *	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 VFs configured.
+ *
+ *	param[in]	fcs	fcs module instance
+ *	param[out]	vf_ids	returned list of vf_ids
+ *	param[in,out]	nvfs	in:size of vf_ids array,
+ *				out:total elements present,
+ *				actual elements returned is limited by the size
+ *
+ *	return Driver VF structure
+ */
+void
+bfa_fcs_vf_list(struct bfa_fcs_s *fcs, u16 *vf_ids, int *nvfs)
+{
+	bfa_trc(fcs, *nvfs);
+}
+
+/**
+ *	Return the list of all VFs visible from fabric.
+ *
+ *	param[in]	fcs	fcs module instance
+ *	param[out]	vf_ids	returned list of vf_ids
+ *	param[in,out]	nvfs	in:size of vf_ids array,
+ *				out:total elements present,
+ *				actual elements returned is limited by the size
+ *
+ *	return Driver VF structure
+ */
+void
+bfa_fcs_vf_list_all(struct bfa_fcs_s *fcs, u16 *vf_ids, int *nvfs)
+{
+	bfa_trc(fcs, *nvfs);
+}
+
+/**
+ *	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;
+	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, (u32) *nlports);
+
+	i = 0;
+	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:
+		bfa_assert(0);
+	}
+}
+
+void
+bfa_fcs_port_attach(struct bfa_fcs_s *fcs)
+{
+	bfa_fcport_event_register(fcs->bfa, bfa_fcs_port_event_handler, fcs);
+}
+
+/**
+ * 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) {
+			bfa_assert(0);
+			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);
+}
+
+void
+bfa_fcs_uf_attach(struct bfa_fcs_s *fcs)
+{
+	bfa_uf_recv_register(fcs->bfa, bfa_fcs_uf_recv, fcs);
+}