The PHY interrupt from the internal fiber is getting
stuck on when the link is down. Add code to handle the
transition and mask it.
Signed-off-by: Stephen Hemminger <[EMAIL PROTECTED]>
---
drivers/net/skge.c | 53 +++++++++++++++++++++++++++++++++++------------------
drivers/net/skge.h | 3 ++-
2 files changed, 37 insertions(+), 19 deletions(-)
--- linux-2.6.orig/drivers/net/skge.c
+++ linux-2.6/drivers/net/skge.c
@@ -884,6 +884,29 @@ static void skge_link_down(struct skge_p
printk(KERN_INFO PFX "%s: Link is down.\n", skge->netdev->name);
}
+
+static void xm_link_down(struct skge_hw *hw, int port)
+{
+ struct net_device *dev = hw->dev[port];
+ struct skge_port *skge = netdev_priv(dev);
+ u16 cmd, msk;
+
+ if (hw->phy_type == SK_PHY_XMAC) {
+ msk = xm_read16(hw, port, XM_IMSK);
+ msk |= XM_IS_INP_ASS | XM_IS_LIPA_RC | XM_IS_RX_PAGE |
XM_IS_AND;
+ xm_write16(hw, port, XM_IMSK, msk);
+ }
+
+ cmd = xm_read16(hw, port, XM_MMU_CMD);
+ cmd &= ~(XM_MMU_ENA_RX | XM_MMU_ENA_TX);
+ xm_write16(hw, port, XM_MMU_CMD, cmd);
+ /* dummy read to ensure writing */
+ (void) xm_read16(hw, port, XM_MMU_CMD);
+
+ if (netif_carrier_ok(dev))
+ skge_link_down(skge);
+}
+
static int __xm_phy_read(struct skge_hw *hw, int port, u16 reg, u16 *val)
{
int i;
@@ -1008,14 +1031,7 @@ static void bcom_check_link(struct skge_
status = xm_phy_read(hw, port, PHY_BCOM_STAT);
if ((status & PHY_ST_LSYNC) == 0) {
- u16 cmd = xm_read16(hw, port, XM_MMU_CMD);
- cmd &= ~(XM_MMU_ENA_RX | XM_MMU_ENA_TX);
- xm_write16(hw, port, XM_MMU_CMD, cmd);
- /* dummy read to ensure writing */
- (void) xm_read16(hw, port, XM_MMU_CMD);
-
- if (netif_carrier_ok(dev))
- skge_link_down(skge);
+ xm_link_down(hw, port);
return;
}
@@ -1235,14 +1251,7 @@ static void xm_check_link(struct net_dev
status = xm_phy_read(hw, port, PHY_XMAC_STAT);
if ((status & PHY_ST_LSYNC) == 0) {
- u16 cmd = xm_read16(hw, port, XM_MMU_CMD);
- cmd &= ~(XM_MMU_ENA_RX | XM_MMU_ENA_TX);
- xm_write16(hw, port, XM_MMU_CMD, cmd);
- /* dummy read to ensure writing */
- (void) xm_read16(hw, port, XM_MMU_CMD);
-
- if (netif_carrier_ok(dev))
- skge_link_down(skge);
+ xm_link_down(hw, port);
return;
}
@@ -1568,6 +1577,10 @@ static void genesis_mac_intr(struct skge
printk(KERN_DEBUG PFX "%s: mac interrupt status 0x%x\n",
skge->netdev->name, status);
+ if (hw->phy_type == SK_PHY_XMAC &&
+ (status & (XM_IS_INP_ASS | XM_IS_LIPA_RC)))
+ xm_link_down(hw, port);
+
if (status & XM_IS_TXF_UR) {
xm_write32(hw, port, XM_MODE, XM_MD_FTF);
++skge->net_stats.tx_fifo_errors;
@@ -1582,7 +1595,7 @@ static void genesis_link_up(struct skge_
{
struct skge_hw *hw = skge->hw;
int port = skge->port;
- u16 cmd;
+ u16 cmd, msk;
u32 mode;
cmd = xm_read16(hw, port, XM_MMU_CMD);
@@ -1631,7 +1644,11 @@ static void genesis_link_up(struct skge_
}
xm_write32(hw, port, XM_MODE, mode);
- xm_write16(hw, port, XM_IMSK, XM_DEF_MSK);
+ msk = XM_DEF_MSK;
+ if (hw->phy_type != SK_PHY_XMAC)
+ msk |= XM_IS_INP_ASS; /* disable GP0 interrupt bit */
+
+ xm_write16(hw, port, XM_IMSK, msk);
xm_read16(hw, port, XM_ISRC);
/* get MMU Command Reg. */
--- linux-2.6.orig/drivers/net/skge.h
+++ linux-2.6/drivers/net/skge.h
@@ -2195,7 +2195,8 @@ enum {
XM_IS_RX_COMP = 1<<0, /* Bit 0: Frame Rx Complete */
};
-#define XM_DEF_MSK (~(XM_IS_RXC_OV | XM_IS_TXC_OV | XM_IS_RXF_OV |
XM_IS_TXF_UR))
+#define XM_DEF_MSK (~(XM_IS_INP_ASS | XM_IS_LIPA_RC | \
+ XM_IS_RXF_OV | XM_IS_TXF_UR))
/* XM_HW_CFG 16 bit r/w Hardware Config Register */
--
Stephen Hemminger <[EMAIL PROTECTED]>
-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
