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Commit f619b009 authored by David S. Miller's avatar David S. Miller
Browse files

Merge branch 'further-sfp-phylink-updates' 



Russell King says:

====================
further sfp/phylink updates

This series:
- cleans up printing of module information
- improves the transceiver capability decoding, getting rid of the
  guessing by connector type, improves direct-attach cable support
  and adds support for 1G Base-PX and Base-BX10 modules.
- cleans up phylink_sfp_module_insert()
====================

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parents dc917aec 444d3502

drivers/net/phy/phylink.c

+8 −7
Original line number Diff line number Diff line
@@ -1578,7 +1578,7 @@ static int phylink_sfp_module_insert(void *upstream, 
	__ETHTOOL_DECLARE_LINK_MODE_MASK(support) = { 0, };

	struct phylink_link_state config;

	phy_interface_t iface;

	int mode, ret = 0;

	int ret = 0;

	bool changed;

	u8 port;
@@ -1593,7 +1593,6 @@ static int phylink_sfp_module_insert(void *upstream, 
	case PHY_INTERFACE_MODE_1000BASEX:

	case PHY_INTERFACE_MODE_2500BASEX:

	case PHY_INTERFACE_MODE_10GKR:

		mode = MLO_AN_INBAND;

		break;

	default:

		return -EINVAL;
@@ -1611,13 +1610,15 @@ static int phylink_sfp_module_insert(void *upstream, 
	ret = phylink_validate(pl, support, &config);

	if (ret) {

		netdev_err(pl->netdev, "validation of %s/%s with support %*pb failed: %d\n",

			   phylink_an_mode_str(mode), phy_modes(config.interface),

			   phylink_an_mode_str(MLO_AN_INBAND),

			   phy_modes(config.interface),

			   __ETHTOOL_LINK_MODE_MASK_NBITS, support, ret);

		return ret;

	}



	netdev_dbg(pl->netdev, "requesting link mode %s/%s with support %*pb\n",

		   phylink_an_mode_str(mode), phy_modes(config.interface),

		   phylink_an_mode_str(MLO_AN_INBAND),

		   phy_modes(config.interface),

		   __ETHTOOL_LINK_MODE_MASK_NBITS, support);



	if (phy_interface_mode_is_8023z(iface) && pl->phydev)
@@ -1630,15 +1631,15 @@ static int phylink_sfp_module_insert(void *upstream, 
		linkmode_copy(pl->link_config.advertising, config.advertising);

	}



	if (pl->link_an_mode != mode ||

	if (pl->link_an_mode != MLO_AN_INBAND ||

	    pl->link_config.interface != config.interface) {

		pl->link_config.interface = config.interface;

		pl->link_an_mode = mode;

		pl->link_an_mode = MLO_AN_INBAND;



		changed = true;



		netdev_info(pl->netdev, "switched to %s/%s link mode\n",

			    phylink_an_mode_str(mode),

			    phylink_an_mode_str(MLO_AN_INBAND),

			    phy_modes(config.interface));

	}

drivers/net/phy/sfp-bus.c

+65 −36
Original line number Diff line number Diff line
@@ -57,21 +57,19 @@ int sfp_parse_port(struct sfp_bus *bus, const struct sfp_eeprom_id *id, 
	case SFP_CONNECTOR_MT_RJ:

	case SFP_CONNECTOR_MU:

	case SFP_CONNECTOR_OPTICAL_PIGTAIL:

		if (support)

			phylink_set(support, FIBRE);

		port = PORT_FIBRE;

		break;



	case SFP_CONNECTOR_RJ45:

		if (support)

			phylink_set(support, TP);

		port = PORT_TP;

		break;



	case SFP_CONNECTOR_COPPER_PIGTAIL:

		port = PORT_DA;

		break;



	case SFP_CONNECTOR_UNSPEC:

		if (id->base.e1000_base_t) {

			if (support)

				phylink_set(support, TP);

			port = PORT_TP;

			break;

		}
@@ -80,7 +78,6 @@ int sfp_parse_port(struct sfp_bus *bus, const struct sfp_eeprom_id *id, 
	case SFP_CONNECTOR_MPO_1X12:

	case SFP_CONNECTOR_MPO_2X16:

	case SFP_CONNECTOR_HSSDC_II:

	case SFP_CONNECTOR_COPPER_PIGTAIL:

	case SFP_CONNECTOR_NOSEPARATE:

	case SFP_CONNECTOR_MXC_2X16:

		port = PORT_OTHER;
@@ -92,6 +89,18 @@ int sfp_parse_port(struct sfp_bus *bus, const struct sfp_eeprom_id *id, 
		break;

	}



	if (support) {

		switch (port) {

		case PORT_FIBRE:

			phylink_set(support, FIBRE);

			break;



		case PORT_TP:

			phylink_set(support, TP);

			break;

		}

	}



	return port;

}

EXPORT_SYMBOL_GPL(sfp_parse_port);
@@ -143,6 +152,11 @@ phy_interface_t sfp_parse_interface(struct sfp_bus *bus, 
		break;



	default:

		if (id->base.e1000_base_cx) {

			iface = PHY_INTERFACE_MODE_1000BASEX;

			break;

		}



		iface = PHY_INTERFACE_MODE_NA;

		dev_err(bus->sfp_dev,

			"SFP module encoding does not support 8b10b nor 64b66b\n");
@@ -165,10 +179,26 @@ EXPORT_SYMBOL_GPL(sfp_parse_interface); 
void sfp_parse_support(struct sfp_bus *bus, const struct sfp_eeprom_id *id,

		       unsigned long *support)

{

	unsigned int br_min, br_nom, br_max;



	phylink_set(support, Autoneg);

	phylink_set(support, Pause);

	phylink_set(support, Asym_Pause);



	/* Decode the bitrate information to MBd */

	br_min = br_nom = br_max = 0;

	if (id->base.br_nominal) {

		if (id->base.br_nominal != 255) {

			br_nom = id->base.br_nominal * 100;

			br_min = br_nom + id->base.br_nominal * id->ext.br_min;

			br_max = br_nom + id->base.br_nominal * id->ext.br_max;

		} else if (id->ext.br_max) {

			br_nom = 250 * id->ext.br_max;

			br_max = br_nom + br_nom * id->ext.br_min / 100;

			br_min = br_nom - br_nom * id->ext.br_min / 100;

		}

	}



	/* Set ethtool support from the compliance fields. */

	if (id->base.e10g_base_sr)

		phylink_set(support, 10000baseSR_Full);
@@ -187,6 +217,34 @@ void sfp_parse_support(struct sfp_bus *bus, const struct sfp_eeprom_id *id, 
		phylink_set(support, 1000baseT_Full);

	}



	/* 1000Base-PX or 1000Base-BX10 */

	if ((id->base.e_base_px || id->base.e_base_bx10) &&

	    br_min <= 1300 && br_max >= 1200)

		phylink_set(support, 1000baseX_Full);



	/* For active or passive cables, select the link modes

	 * based on the bit rates and the cable compliance bytes.

	 */

	if ((id->base.sfp_ct_passive || id->base.sfp_ct_active) && br_nom) {

		/* This may look odd, but some manufacturers use 12000MBd */

		if (br_min <= 12000 && br_max >= 10300)

			phylink_set(support, 10000baseCR_Full);

		if (br_min <= 3200 && br_max >= 3100)

			phylink_set(support, 2500baseX_Full);

		if (br_min <= 1300 && br_max >= 1200)

			phylink_set(support, 1000baseX_Full);

	}

	if (id->base.sfp_ct_passive) {

		if (id->base.passive.sff8431_app_e)

			phylink_set(support, 10000baseCR_Full);

	}

	if (id->base.sfp_ct_active) {

		if (id->base.active.sff8431_app_e ||

		    id->base.active.sff8431_lim) {

			phylink_set(support, 10000baseCR_Full);

		}

	}



	switch (id->base.extended_cc) {

	case 0x00: /* Unspecified */

		break;
@@ -220,35 +278,6 @@ void sfp_parse_support(struct sfp_bus *bus, const struct sfp_eeprom_id *id, 
		if (id->base.br_nominal >= 12)

			phylink_set(support, 1000baseX_Full);

	}



	switch (id->base.connector) {

	case SFP_CONNECTOR_SC:

	case SFP_CONNECTOR_FIBERJACK:

	case SFP_CONNECTOR_LC:

	case SFP_CONNECTOR_MT_RJ:

	case SFP_CONNECTOR_MU:

	case SFP_CONNECTOR_OPTICAL_PIGTAIL:

		break;



	case SFP_CONNECTOR_UNSPEC:

		if (id->base.e1000_base_t)

			break;



	case SFP_CONNECTOR_SG: /* guess */

	case SFP_CONNECTOR_MPO_1X12:

	case SFP_CONNECTOR_MPO_2X16:

	case SFP_CONNECTOR_HSSDC_II:

	case SFP_CONNECTOR_COPPER_PIGTAIL:

	case SFP_CONNECTOR_NOSEPARATE:

	case SFP_CONNECTOR_MXC_2X16:

	default:

		/* a guess at the supported link modes */

		dev_warn(bus->sfp_dev,

			 "Guessing link modes, please report...\n");

		phylink_set(support, 1000baseT_Half);

		phylink_set(support, 1000baseT_Full);

		break;

	}

}

EXPORT_SYMBOL_GPL(sfp_parse_support);

drivers/net/phy/sfp.c

+6 −18
Original line number Diff line number Diff line
@@ -466,11 +466,6 @@ static int sfp_sm_mod_probe(struct sfp *sfp) 
{

	/* SFP module inserted - read I2C data */

	struct sfp_eeprom_id id;

	char vendor[17];

	char part[17];

	char sn[17];

	char date[9];

	char rev[5];

	u8 check;

	int err;
@@ -506,19 +501,12 @@ static int sfp_sm_mod_probe(struct sfp *sfp) 


	sfp->id = id;



	memcpy(vendor, sfp->id.base.vendor_name, 16);

	vendor[16] = '\0';

	memcpy(part, sfp->id.base.vendor_pn, 16);

	part[16] = '\0';

	memcpy(rev, sfp->id.base.vendor_rev, 4);

	rev[4] = '\0';

	memcpy(sn, sfp->id.ext.vendor_sn, 16);

	sn[16] = '\0';

	memcpy(date, sfp->id.ext.datecode, 8);

	date[8] = '\0';



	dev_info(sfp->dev, "module %s %s rev %s sn %s dc %s\n",

		 vendor, part, rev, sn, date);

	dev_info(sfp->dev, "module %.*s %.*s rev %.*s sn %.*s dc %.*s\n",

		 (int)sizeof(id.base.vendor_name), id.base.vendor_name,

		 (int)sizeof(id.base.vendor_pn), id.base.vendor_pn,

		 (int)sizeof(id.base.vendor_rev), id.base.vendor_rev,

		 (int)sizeof(id.ext.vendor_sn), id.ext.vendor_sn,

		 (int)sizeof(id.ext.datecode), id.ext.datecode);



	/* Check whether we support this module */

	if (!sfp->type->module_supported(&sfp->id)) {

include/linux/sfp.h

+35 −1
Original line number Diff line number Diff line
@@ -165,7 +165,41 @@ struct sfp_eeprom_base { 
	char vendor_rev[4];

	union {

		__be16 optical_wavelength;

		u8 cable_spec;

		__be16 cable_compliance;

		struct {

#if defined __BIG_ENDIAN_BITFIELD

			u8 reserved60_2:6;

			u8 fc_pi_4_app_h:1;

			u8 sff8431_app_e:1;

			u8 reserved61:8;

#elif defined __LITTLE_ENDIAN_BITFIELD

			u8 sff8431_app_e:1;

			u8 fc_pi_4_app_h:1;

			u8 reserved60_2:6;

			u8 reserved61:8;

#else

#error Unknown Endian

#endif

		} __packed passive;

		struct {

#if defined __BIG_ENDIAN_BITFIELD

			u8 reserved60_4:4;

			u8 fc_pi_4_lim:1;

			u8 sff8431_lim:1;

			u8 fc_pi_4_app_h:1;

			u8 sff8431_app_e:1;

			u8 reserved61:8;

#elif defined __LITTLE_ENDIAN_BITFIELD

			u8 sff8431_app_e:1;

			u8 fc_pi_4_app_h:1;

			u8 sff8431_lim:1;

			u8 fc_pi_4_lim:1;

			u8 reserved60_4:4;

			u8 reserved61:8;

#else

#error Unknown Endian

#endif

		} __packed active;

	} __packed;

	u8 reserved62;

	u8 cc_base;