You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
71 lines
2.5 KiB
71 lines
2.5 KiB
From 09313f26999e2685e0b9434374e7308e1f447e55 Mon Sep 17 00:00:00 2001
|
|
From: John Crispin <john@phrozen.org>
|
|
Date: Fri, 22 Apr 2016 11:05:23 +0200
|
|
Subject: [PATCH 078/102] net-next: mediatek: fix gigabit and flow control
|
|
advertisement
|
|
|
|
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>
|
|
---
|
|
drivers/net/ethernet/mediatek/mtk_eth_soc.c | 30 +++++++++++++++++++++++----
|
|
1 file changed, 26 insertions(+), 4 deletions(-)
|
|
|
|
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
|
|
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
|
|
@@ -133,6 +133,8 @@ static int mtk_mdio_read(struct mii_bus
|
|
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 n
|
|
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_ma
|
|
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);
|
|
|