forked from Minki/linux
net: mdio: add mdio45_ethtool_ksettings_get
There is a function in mdio for the old ethtool api gset. We add a new function mdio45_ethtool_ksettings_get for the new ethtool api glinksettings. Signed-off-by: Philippe Reynes <tremyfr@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Philippe Reynes
David S. Miller
parent
525dfa2cdc
commit
8e4881aa1d
@ -341,6 +341,184 @@ void mdio45_ethtool_gset_npage(const struct mdio_if_info *mdio,
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}
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EXPORT_SYMBOL(mdio45_ethtool_gset_npage);
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/**
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* mdio45_ethtool_ksettings_get_npage - get settings for ETHTOOL_GLINKSETTINGS
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* @mdio: MDIO interface
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* @cmd: Ethtool request structure
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* @npage_adv: Modes currently advertised on next pages
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* @npage_lpa: Modes advertised by link partner on next pages
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*
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* The @cmd parameter is expected to have been cleared before calling
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* mdio45_ethtool_ksettings_get_npage().
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*
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* Since the CSRs for auto-negotiation using next pages are not fully
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* standardised, this function does not attempt to decode them. The
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* caller must pass them in.
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*/
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void mdio45_ethtool_ksettings_get_npage(const struct mdio_if_info *mdio,
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struct ethtool_link_ksettings *cmd,
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u32 npage_adv, u32 npage_lpa)
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{
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int reg;
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u32 speed, supported = 0, advertising = 0, lp_advertising = 0;
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BUILD_BUG_ON(MDIO_SUPPORTS_C22 != ETH_MDIO_SUPPORTS_C22);
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BUILD_BUG_ON(MDIO_SUPPORTS_C45 != ETH_MDIO_SUPPORTS_C45);
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cmd->base.phy_address = mdio->prtad;
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cmd->base.mdio_support =
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mdio->mode_support & (MDIO_SUPPORTS_C45 | MDIO_SUPPORTS_C22);
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reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD,
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MDIO_CTRL2);
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switch (reg & MDIO_PMA_CTRL2_TYPE) {
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case MDIO_PMA_CTRL2_10GBT:
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case MDIO_PMA_CTRL2_1000BT:
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case MDIO_PMA_CTRL2_100BTX:
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case MDIO_PMA_CTRL2_10BT:
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cmd->base.port = PORT_TP;
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supported = SUPPORTED_TP;
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reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD,
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MDIO_SPEED);
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if (reg & MDIO_SPEED_10G)
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supported |= SUPPORTED_10000baseT_Full;
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if (reg & MDIO_PMA_SPEED_1000)
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supported |= (SUPPORTED_1000baseT_Full |
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SUPPORTED_1000baseT_Half);
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if (reg & MDIO_PMA_SPEED_100)
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supported |= (SUPPORTED_100baseT_Full |
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SUPPORTED_100baseT_Half);
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if (reg & MDIO_PMA_SPEED_10)
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supported |= (SUPPORTED_10baseT_Full |
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SUPPORTED_10baseT_Half);
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advertising = ADVERTISED_TP;
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break;
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case MDIO_PMA_CTRL2_10GBCX4:
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cmd->base.port = PORT_OTHER;
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supported = 0;
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advertising = 0;
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break;
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case MDIO_PMA_CTRL2_10GBKX4:
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case MDIO_PMA_CTRL2_10GBKR:
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case MDIO_PMA_CTRL2_1000BKX:
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cmd->base.port = PORT_OTHER;
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supported = SUPPORTED_Backplane;
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reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD,
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MDIO_PMA_EXTABLE);
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if (reg & MDIO_PMA_EXTABLE_10GBKX4)
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supported |= SUPPORTED_10000baseKX4_Full;
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if (reg & MDIO_PMA_EXTABLE_10GBKR)
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supported |= SUPPORTED_10000baseKR_Full;
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if (reg & MDIO_PMA_EXTABLE_1000BKX)
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supported |= SUPPORTED_1000baseKX_Full;
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reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD,
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MDIO_PMA_10GBR_FECABLE);
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if (reg & MDIO_PMA_10GBR_FECABLE_ABLE)
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supported |= SUPPORTED_10000baseR_FEC;
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advertising = ADVERTISED_Backplane;
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break;
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/* All the other defined modes are flavours of optical */
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default:
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cmd->base.port = PORT_FIBRE;
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supported = SUPPORTED_FIBRE;
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advertising = ADVERTISED_FIBRE;
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break;
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}
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if (mdio->mmds & MDIO_DEVS_AN) {
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supported |= SUPPORTED_Autoneg;
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reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_AN,
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MDIO_CTRL1);
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if (reg & MDIO_AN_CTRL1_ENABLE) {
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cmd->base.autoneg = AUTONEG_ENABLE;
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advertising |=
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ADVERTISED_Autoneg |
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mdio45_get_an(mdio, MDIO_AN_ADVERTISE) |
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npage_adv;
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} else {
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cmd->base.autoneg = AUTONEG_DISABLE;
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}
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} else {
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cmd->base.autoneg = AUTONEG_DISABLE;
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}
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if (cmd->base.autoneg) {
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u32 modes = 0;
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int an_stat = mdio->mdio_read(mdio->dev, mdio->prtad,
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MDIO_MMD_AN, MDIO_STAT1);
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/* If AN is complete and successful, report best common
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* mode, otherwise report best advertised mode.
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*/
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if (an_stat & MDIO_AN_STAT1_COMPLETE) {
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lp_advertising =
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mdio45_get_an(mdio, MDIO_AN_LPA) | npage_lpa;
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if (an_stat & MDIO_AN_STAT1_LPABLE)
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lp_advertising |= ADVERTISED_Autoneg;
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modes = advertising & lp_advertising;
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}
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if ((modes & ~ADVERTISED_Autoneg) == 0)
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modes = advertising;
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if (modes & (ADVERTISED_10000baseT_Full |
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ADVERTISED_10000baseKX4_Full |
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ADVERTISED_10000baseKR_Full)) {
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speed = SPEED_10000;
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cmd->base.duplex = DUPLEX_FULL;
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} else if (modes & (ADVERTISED_1000baseT_Full |
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ADVERTISED_1000baseT_Half |
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ADVERTISED_1000baseKX_Full)) {
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speed = SPEED_1000;
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cmd->base.duplex = !(modes & ADVERTISED_1000baseT_Half);
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} else if (modes & (ADVERTISED_100baseT_Full |
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ADVERTISED_100baseT_Half)) {
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speed = SPEED_100;
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cmd->base.duplex = !!(modes & ADVERTISED_100baseT_Full);
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} else {
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speed = SPEED_10;
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cmd->base.duplex = !!(modes & ADVERTISED_10baseT_Full);
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}
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} else {
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/* Report forced settings */
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reg = mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD,
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MDIO_CTRL1);
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speed = (((reg & MDIO_PMA_CTRL1_SPEED1000) ? 100 : 1)
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* ((reg & MDIO_PMA_CTRL1_SPEED100) ? 100 : 10));
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cmd->base.duplex = (reg & MDIO_CTRL1_FULLDPLX ||
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speed == SPEED_10000);
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}
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cmd->base.speed = speed;
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ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
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supported);
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ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
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advertising);
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ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.lp_advertising,
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lp_advertising);
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/* 10GBASE-T MDI/MDI-X */
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if (cmd->base.port == PORT_TP && (cmd->base.speed == SPEED_10000)) {
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switch (mdio->mdio_read(mdio->dev, mdio->prtad, MDIO_MMD_PMAPMD,
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MDIO_PMA_10GBT_SWAPPOL)) {
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case MDIO_PMA_10GBT_SWAPPOL_ABNX | MDIO_PMA_10GBT_SWAPPOL_CDNX:
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cmd->base.eth_tp_mdix = ETH_TP_MDI;
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break;
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case 0:
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cmd->base.eth_tp_mdix = ETH_TP_MDI_X;
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break;
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default:
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/* It's complicated... */
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cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
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break;
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}
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}
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}
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EXPORT_SYMBOL(mdio45_ethtool_ksettings_get_npage);
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/**
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* mdio_mii_ioctl - MII ioctl interface for MDIO (clause 22 or 45) PHYs
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* @mdio: MDIO interface
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@ -130,6 +130,10 @@ extern int mdio45_nway_restart(const struct mdio_if_info *mdio);
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extern void mdio45_ethtool_gset_npage(const struct mdio_if_info *mdio,
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struct ethtool_cmd *ecmd,
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u32 npage_adv, u32 npage_lpa);
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extern void
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mdio45_ethtool_ksettings_get_npage(const struct mdio_if_info *mdio,
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struct ethtool_link_ksettings *cmd,
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u32 npage_adv, u32 npage_lpa);
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/**
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* mdio45_ethtool_gset - get settings for ETHTOOL_GSET
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@ -147,6 +151,23 @@ static inline void mdio45_ethtool_gset(const struct mdio_if_info *mdio,
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mdio45_ethtool_gset_npage(mdio, ecmd, 0, 0);
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}
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/**
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* mdio45_ethtool_ksettings_get - get settings for ETHTOOL_GLINKSETTINGS
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* @mdio: MDIO interface
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* @cmd: Ethtool request structure
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*
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* Since the CSRs for auto-negotiation using next pages are not fully
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* standardised, this function does not attempt to decode them. Use
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* mdio45_ethtool_ksettings_get_npage() to specify advertisement bits
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* from next pages.
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*/
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static inline void
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mdio45_ethtool_ksettings_get(const struct mdio_if_info *mdio,
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struct ethtool_link_ksettings *cmd)
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{
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mdio45_ethtool_ksettings_get_npage(mdio, cmd, 0, 0);
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}
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extern int mdio_mii_ioctl(const struct mdio_if_info *mdio,
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struct mii_ioctl_data *mii_data, int cmd);
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