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net-next: mediatek: fix gigabit and flow control advertisement

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The current code will not setup the PHYs advertisement features correctly.
Fix this and properly advertise Gigabit features and properly handle
asymmetric pause frames.

Signed-off-by: Sean Wang <keyhaede@gmail.com>
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
John Crispin 2016-06-03 10:17:07 +02:00 committed by David S. Miller
parent 207bdf1844
commit 08ef55c6f2
1 changed files with 26 additions and 4 deletions
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30
drivers/net/ethernet/mediatek/mtk_eth_soc.c
View file

@ -133,6 +133,8 @@ static int mtk_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg)
static void mtk_phy_link_adjust(struct net_device *dev)
{
struct mtk_mac *mac = netdev_priv(dev);
u16 lcl_adv = 0, rmt_adv = 0;
u8 flowctrl;
u32 mcr = MAC_MCR_MAX_RX_1536 | MAC_MCR_IPG_CFG |
MAC_MCR_FORCE_MODE | MAC_MCR_TX_EN |
MAC_MCR_RX_EN | MAC_MCR_BACKOFF_EN |
@ -150,11 +152,30 @@ static void mtk_phy_link_adjust(struct net_device *dev)
if (mac->phy_dev->link)
mcr |= MAC_MCR_FORCE_LINK;
if (mac->phy_dev->duplex)
if (mac->phy_dev->duplex) {
mcr |= MAC_MCR_FORCE_DPX;
if (mac->phy_dev->pause)
mcr |= MAC_MCR_FORCE_RX_FC | MAC_MCR_FORCE_TX_FC;
if (mac->phy_dev->pause)
rmt_adv = LPA_PAUSE_CAP;
if (mac->phy_dev->asym_pause)
rmt_adv |= LPA_PAUSE_ASYM;
if (mac->phy_dev->advertising & ADVERTISED_Pause)
lcl_adv |= ADVERTISE_PAUSE_CAP;
if (mac->phy_dev->advertising & ADVERTISED_Asym_Pause)
lcl_adv |= ADVERTISE_PAUSE_ASYM;
flowctrl = mii_resolve_flowctrl_fdx(lcl_adv, rmt_adv);
if (flowctrl & FLOW_CTRL_TX)
mcr |= MAC_MCR_FORCE_TX_FC;
if (flowctrl & FLOW_CTRL_RX)
mcr |= MAC_MCR_FORCE_RX_FC;
netif_dbg(mac->hw, link, dev, "rx pause %s, tx pause %s\n",
flowctrl & FLOW_CTRL_RX ? "enabled" : "disabled",
flowctrl & FLOW_CTRL_TX ? "enabled" : "disabled");
}
mtk_w32(mac->hw, mcr, MTK_MAC_MCR(mac->id));
@ -236,7 +257,8 @@ static int mtk_phy_connect(struct mtk_mac *mac)
mac->phy_dev->autoneg = AUTONEG_ENABLE;
mac->phy_dev->speed = 0;
mac->phy_dev->duplex = 0;
mac->phy_dev->supported &= PHY_BASIC_FEATURES;
mac->phy_dev->supported &= PHY_GBIT_FEATURES | SUPPORTED_Pause |
SUPPORTED_Asym_Pause;
mac->phy_dev->advertising = mac->phy_dev->supported |
ADVERTISED_Autoneg;
phy_start_aneg(mac->phy_dev);