#include <linux/mdio.h>
#include <linux/module.h>
+MODULE_DESCRIPTION("Generic support for MDIO-compatible transceivers");
+MODULE_AUTHOR("Copyright 2006-2009 Solarflare Communications Inc.");
+MODULE_LICENSE("GPL");
+
/**
* mdio45_probe - probe for an MDIO (clause 45) device
* @mdio: MDIO interface
ecmd->transceiver = XCVR_INTERNAL;
ecmd->phy_address = mdio->prtad;
+ ecmd->mdio_support =
+ mdio->mode_support & (MDIO_SUPPORTS_C45 | MDIO_SUPPORTS_C22);
reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD,
MDIO_CTRL2);
break;
case MDIO_PMA_CTRL2_10GBCX4:
+ ecmd->port = PORT_OTHER;
+ ecmd->supported = 0;
+ ecmd->advertising = 0;
+ break;
+
case MDIO_PMA_CTRL2_10GBKX4:
case MDIO_PMA_CTRL2_10GBKR:
case MDIO_PMA_CTRL2_1000BKX:
ecmd->port = PORT_OTHER;
- ecmd->supported = 0;
- ecmd->advertising = 0;
+ ecmd->supported = SUPPORTED_Backplane;
+ reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD,
+ MDIO_PMA_EXTABLE);
+ if (reg & MDIO_PMA_EXTABLE_10GBKX4)
+ ecmd->supported |= SUPPORTED_10000baseKX4_Full;
+ if (reg & MDIO_PMA_EXTABLE_10GBKR)
+ ecmd->supported |= SUPPORTED_10000baseKR_Full;
+ if (reg & MDIO_PMA_EXTABLE_1000BKX)
+ ecmd->supported |= SUPPORTED_1000baseKX_Full;
+ reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD,
+ MDIO_PMA_10GBR_FECABLE);
+ if (reg & MDIO_PMA_10GBR_FECABLE_ABLE)
+ ecmd->supported |= SUPPORTED_10000baseR_FEC;
+ ecmd->advertising = ADVERTISED_Backplane;
break;
/* All the other defined modes are flavours of optical */
if (ecmd->autoneg) {
u32 modes = 0;
+ int an_stat = mdio->mdio_read(mdio->dev, mdio->prtad,
+ MDIO_MMD_AN, MDIO_STAT1);
/* If AN is complete and successful, report best common
* mode, otherwise report best advertised mode. */
- if (mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_AN,
- MDIO_STAT1) &
- MDIO_AN_STAT1_COMPLETE)
- modes = (ecmd->advertising &
- (mdio45_get_an(mdio, MDIO_AN_LPA) |
- npage_lpa));
- if (modes == 0)
+ if (an_stat & MDIO_AN_STAT1_COMPLETE) {
+ ecmd->lp_advertising =
+ mdio45_get_an(mdio, MDIO_AN_LPA) | npage_lpa;
+ if (an_stat & MDIO_AN_STAT1_LPABLE)
+ ecmd->lp_advertising |= ADVERTISED_Autoneg;
+ modes = ecmd->advertising & ecmd->lp_advertising;
+ }
+ if ((modes & ~ADVERTISED_Autoneg) == 0)
modes = ecmd->advertising;
- if (modes & ADVERTISED_10000baseT_Full) {
+ if (modes & (ADVERTISED_10000baseT_Full |
+ ADVERTISED_10000baseKX4_Full |
+ ADVERTISED_10000baseKR_Full)) {
ecmd->speed = SPEED_10000;
ecmd->duplex = DUPLEX_FULL;
} else if (modes & (ADVERTISED_1000baseT_Full |
- ADVERTISED_1000baseT_Half)) {
+ ADVERTISED_1000baseT_Half |
+ ADVERTISED_1000baseKX_Full)) {
ecmd->speed = SPEED_1000;
- ecmd->duplex = !!(modes & ADVERTISED_1000baseT_Full);
+ ecmd->duplex = !(modes & ADVERTISED_1000baseT_Half);
} else if (modes & (ADVERTISED_100baseT_Full |
ADVERTISED_100baseT_Half)) {
ecmd->speed = SPEED_100;
ecmd->duplex = (reg & MDIO_CTRL1_FULLDPLX ||
ecmd->speed == SPEED_10000);
}
+
+ /* 10GBASE-T MDI/MDI-X */
+ if (ecmd->port == PORT_TP && ecmd->speed == SPEED_10000) {
+ switch (mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD,
+ MDIO_PMA_10GBT_SWAPPOL)) {
+ case MDIO_PMA_10GBT_SWAPPOL_ABNX | MDIO_PMA_10GBT_SWAPPOL_CDNX:
+ ecmd->eth_tp_mdix = ETH_TP_MDI;
+ break;
+ case 0:
+ ecmd->eth_tp_mdix = ETH_TP_MDI_X;
+ break;
+ default:
+ /* It's complicated... */
+ ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
+ break;
+ }
+ }
}
EXPORT_SYMBOL(mdio45_ethtool_gset_npage);