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Commit a046bf05 authored by Krishna Gudipati's avatar Krishna Gudipati Committed by James Bottomley
Browse files

[SCSI] bfa: Fix to allow creation of only 190 vports on CNA. 



Brocade CNA currently supports only 190 vports (instead of 191),
since there are only 192 unicast cam entries reserved for FCoE.

Brocade CNA has a total of 256 unicast cam entries (192 FCoE + 64 LL)

192 cam entries = 1 burned in mac + 1 baseport FPMA mac + 190 vport
FPMA macs.

Made changes to the code to support only 190 vports.

Signed-off-by: default avatarKrishna Gudipati <kgudipat@brocade.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@suse.de>
parent 82794a2e

drivers/scsi/bfa/bfa_lps.c

+20 −0
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ 
#include <bfa.h>

#include <bfi/bfi_lps.h>

#include <cs/bfa_debug.h>

#include <defs/bfa_defs_pci.h>



BFA_TRC_FILE(HAL, LPS);

BFA_MODULE(lps);
@@ -25,6 +26,12 @@ BFA_MODULE(lps); 
#define BFA_LPS_MIN_LPORTS	(1)

#define BFA_LPS_MAX_LPORTS	(256)



/*

 * Maximum Vports supported per physical port or vf.

 */

#define BFA_LPS_MAX_VPORTS_SUPP_CB  255

#define BFA_LPS_MAX_VPORTS_SUPP_CT  190



/**

 * forward declarations

 */
@@ -598,6 +605,19 @@ bfa_lps_cvl_event(struct bfa_lps_s *lps) 
		bfa_cb_lps_cvl_event(lps->bfa->bfad, lps->uarg);

}



u32

bfa_lps_get_max_vport(struct bfa_s *bfa)

{

	struct bfa_ioc_attr_s ioc_attr;



	bfa_get_attr(bfa, &ioc_attr);



	if (ioc_attr.pci_attr.device_id == BFA_PCI_DEVICE_ID_CT)

		return (BFA_LPS_MAX_VPORTS_SUPP_CT);

	else

		return (BFA_LPS_MAX_VPORTS_SUPP_CB);

}



/**

 *  lps_public BFA LPS public functions

 */

drivers/scsi/bfa/fcs_vport.h

+0 −1
Original line number Diff line number Diff line
@@ -26,7 +26,6 @@ void bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport); 
void bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport);

void bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport);

void bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport);

u32 bfa_fcs_vport_get_max(struct bfa_fcs_s *fcs);



#endif /* __FCS_VPORT_H__ */

drivers/scsi/bfa/include/bfa_svc.h

+1 −0
Original line number Diff line number Diff line
@@ -293,6 +293,7 @@ void bfa_uf_free(struct bfa_uf_s *uf); 
 * bfa lport service api

 */



u32	bfa_lps_get_max_vport(struct bfa_s *bfa);

struct bfa_lps_s *bfa_lps_alloc(struct bfa_s *bfa);

void bfa_lps_delete(struct bfa_lps_s *lps);

void bfa_lps_discard(struct bfa_lps_s *lps);

drivers/scsi/bfa/include/fcs/bfa_fcs_lport.h

+0 −8
Original line number Diff line number Diff line
@@ -34,14 +34,6 @@ struct bfa_fcs_s; 
struct bfa_fcs_fabric_s;



/*

* @todo : need to move to a global config file.

 * Maximum Vports supported per physical port or vf.

 */

#define BFA_FCS_MAX_VPORTS_SUPP_CB  255

#define BFA_FCS_MAX_VPORTS_SUPP_CT  191



/*

* @todo : need to move to a global config file.

 * Maximum Rports supported per port (physical/logical).

 */

#define BFA_FCS_MAX_RPORTS_SUPP  256	/* @todo : tentative value */

drivers/scsi/bfa/lport_api.c

+2 −1
Original line number Diff line number Diff line
@@ -235,7 +235,8 @@ bfa_fcs_port_get_info(struct bfa_fcs_port_s *port, 
		port_info->port_wwn = bfa_fcs_port_get_pwwn(port);

		port_info->node_wwn = bfa_fcs_port_get_nwwn(port);



		port_info->max_vports_supp = bfa_fcs_vport_get_max(port->fcs);

		port_info->max_vports_supp =

			bfa_lps_get_max_vport(port->fcs->bfa);

		port_info->num_vports_inuse =

			bfa_fcs_fabric_vport_count(port->fabric);

		port_info->max_rports_supp = BFA_FCS_MAX_RPORTS_SUPP;