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Commit 7f7c4072 authored by Matheos Worku's avatar Matheos Worku Committed by David S. Miller
Browse files

niu: Determine the # of ports from the card's VPD data 



[ Fix minor whitespace and coding style stuff... -DaveM ]

Signed-off-by: default avatarMatheos Worku <matheos.worku@sun.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c5835df9

drivers/net/niu.c

+56 −11
Original line number Diff line number Diff line
@@ -6773,6 +6773,37 @@ static int __devinit niu_phy_type_prop_decode(struct niu *np, 
	return 0;

}



/* niu board models have a trailing dash version incremented

 * with HW rev change. Need to ingnore the  dash version while

 * checking for match

 *

 * for example, for the 10G card the current vpd.board_model

 * is 501-5283-04, of which -04 is the  dash version and have

 * to be ignored

 */

static int niu_board_model_match(struct niu *np, const char *model)

{

	return !strncmp(np->vpd.board_model, model, strlen(model));

}



static int niu_pci_vpd_get_nports(struct niu *np)

{

	int ports = 0;



	if ((niu_board_model_match(np, NIU_QGC_LP_BM_STR)) ||

	    (niu_board_model_match(np, NIU_QGC_PEM_BM_STR)) ||

	    (niu_board_model_match(np, NIU_ALONSO_BM_STR))) {

		ports = 4;

	} else if ((niu_board_model_match(np, NIU_2XGF_LP_BM_STR)) ||

		   (niu_board_model_match(np, NIU_2XGF_PEM_BM_STR)) ||

		   (niu_board_model_match(np, NIU_FOXXY_BM_STR)) ||

		   (niu_board_model_match(np, NIU_2XGF_MRVL_BM_STR))) {

		ports = 2;

	}



	return ports;

}



static void __devinit niu_pci_vpd_validate(struct niu *np)

{

	struct net_device *dev = np->dev;
@@ -6987,11 +7018,17 @@ static int __devinit niu_get_and_validate_port(struct niu *np) 
		if (parent->plat_type == PLAT_TYPE_NIU) {

			parent->num_ports = 2;

		} else {

			parent->num_ports = niu_pci_vpd_get_nports(np);

			if (!parent->num_ports) {

				/* Fall back to SPROM as last resort.

				 * This will fail on most cards.

				 */

				parent->num_ports = nr64(ESPC_NUM_PORTS_MACS) &

					ESPC_NUM_PORTS_MACS_VAL;



				if (!parent->num_ports)

				parent->num_ports = 4;

					return -ENODEV;

			}

		}

	}
@@ -7733,15 +7770,16 @@ static int __devinit niu_get_invariants(struct niu *np) 


	have_props = !err;



	err = niu_get_and_validate_port(np);

	err = niu_init_mac_ipp_pcs_base(np);

	if (err)

		return err;



	err = niu_init_mac_ipp_pcs_base(np);

	if (have_props) {

		err = niu_get_and_validate_port(np);

		if (err)

			return err;



	if (!have_props) {

	} else  {

		if (np->parent->plat_type == PLAT_TYPE_NIU)

			return -EINVAL;
@@ -7753,10 +7791,17 @@ static int __devinit niu_get_invariants(struct niu *np) 
			niu_pci_vpd_fetch(np, offset);

		nw64(ESPC_PIO_EN, 0);



		if (np->flags & NIU_FLAGS_VPD_VALID)

		if (np->flags & NIU_FLAGS_VPD_VALID) {

			niu_pci_vpd_validate(np);

			err = niu_get_and_validate_port(np);

			if (err)

				return err;

		}



		if (!(np->flags & NIU_FLAGS_VPD_VALID)) {

			err = niu_get_and_validate_port(np);

			if (err)

				return err;

			err = niu_pci_probe_sprom(np);

			if (err)

				return err;

drivers/net/niu.h

+9 −0
Original line number Diff line number Diff line
@@ -2937,6 +2937,15 @@ struct rx_ring_info { 


#define NIU_MAX_MTU		9216



/* VPD strings */

#define	NIU_QGC_LP_BM_STR	"501-7606"

#define	NIU_2XGF_LP_BM_STR	"501-7283"

#define	NIU_QGC_PEM_BM_STR	"501-7765"

#define	NIU_2XGF_PEM_BM_STR	"501-7626"

#define	NIU_ALONSO_BM_STR	"373-0202"

#define	NIU_FOXXY_BM_STR	"501-7961"

#define	NIU_2XGF_MRVL_BM_STR	"SK-6E82"



#define NIU_VPD_MIN_MAJOR	3

#define NIU_VPD_MIN_MINOR	4