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path: root/drivers/net/sky2.c
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Diffstat (limited to 'drivers/net/sky2.c')
-rw-r--r--drivers/net/sky2.c42
1 files changed, 31 insertions, 11 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index e5679965501..2c9118125b5 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -1766,10 +1766,10 @@ static int sky2_autoneg_done(struct sky2_port *sky2, u16 aux)
{
struct sky2_hw *hw = sky2->hw;
unsigned port = sky2->port;
- u16 lpa;
+ u16 advert, lpa;
+ advert = gm_phy_read(hw, port, PHY_MARV_AUNE_ADV);
lpa = gm_phy_read(hw, port, PHY_MARV_AUNE_LP);
-
if (lpa & PHY_M_AN_RF) {
printk(KERN_ERR PFX "%s: remote fault", sky2->netdev->name);
return -1;
@@ -1784,20 +1784,40 @@ static int sky2_autoneg_done(struct sky2_port *sky2, u16 aux)
sky2->speed = sky2_phy_speed(hw, aux);
sky2->duplex = (aux & PHY_M_PS_FULL_DUP) ? DUPLEX_FULL : DUPLEX_HALF;
- /* Pause bits are offset (9..8) */
- if (hw->chip_id == CHIP_ID_YUKON_XL
- || hw->chip_id == CHIP_ID_YUKON_EC_U
- || hw->chip_id == CHIP_ID_YUKON_EX)
- aux >>= 6;
-
- sky2->flow_status = sky2_flow(aux & PHY_M_PS_RX_P_EN,
- aux & PHY_M_PS_TX_P_EN);
+ /* Since the pause result bits seem to in different positions on
+ * different chips. look at registers.
+ */
+ if (!sky2_is_copper(hw)) {
+ /* Shift for bits in fiber PHY */
+ advert &= ~(ADVERTISE_PAUSE_CAP|ADVERTISE_PAUSE_ASYM);
+ lpa &= ~(LPA_PAUSE_CAP|LPA_PAUSE_ASYM);
+
+ if (advert & ADVERTISE_1000XPAUSE)
+ advert |= ADVERTISE_PAUSE_CAP;
+ if (advert & ADVERTISE_1000XPSE_ASYM)
+ advert |= ADVERTISE_PAUSE_ASYM;
+ if (lpa & LPA_1000XPAUSE)
+ lpa |= LPA_PAUSE_CAP;
+ if (lpa & LPA_1000XPAUSE_ASYM)
+ lpa |= LPA_PAUSE_ASYM;
+ }
+
+ sky2->flow_status = FC_NONE;
+ if (advert & ADVERTISE_PAUSE_CAP) {
+ if (lpa & LPA_PAUSE_CAP)
+ sky2->flow_status = FC_BOTH;
+ else if (advert & ADVERTISE_PAUSE_ASYM)
+ sky2->flow_status = FC_RX;
+ } else if (advert & ADVERTISE_PAUSE_ASYM) {
+ if ((lpa & LPA_PAUSE_CAP) && (lpa & LPA_PAUSE_ASYM))
+ sky2->flow_status = FC_TX;
+ }
if (sky2->duplex == DUPLEX_HALF && sky2->speed < SPEED_1000
&& !(hw->chip_id == CHIP_ID_YUKON_EC_U || hw->chip_id == CHIP_ID_YUKON_EX))
sky2->flow_status = FC_NONE;
- if (aux & PHY_M_PS_RX_P_EN)
+ if (sky2->flow_status & FC_TX)
sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_ON);
else
sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF);