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-rw-r--r--drivers/net/cxgb3/ael1002.c46
-rw-r--r--drivers/net/cxgb3/common.h19
-rw-r--r--drivers/net/cxgb3/cxgb3_main.c19
-rw-r--r--drivers/net/cxgb3/t3_hw.c41
4 files changed, 77 insertions, 48 deletions
diff --git a/drivers/net/cxgb3/ael1002.c b/drivers/net/cxgb3/ael1002.c
index f4e046e32fc6..f6e575fa7468 100644
--- a/drivers/net/cxgb3/ael1002.c
+++ b/drivers/net/cxgb3/ael1002.c
@@ -39,9 +39,6 @@ enum {
AEL1002_PWR_DOWN_LO = 0xc012,
AEL1002_XFI_EQL = 0xc015,
AEL1002_LB_EN = 0xc017,
-
- LASI_CTRL = 0x9002,
- LASI_STAT = 0x9005
};
static void ael100x_txon(struct cphy *phy)
@@ -134,33 +131,6 @@ static int ael1006_reset(struct cphy *phy, int wait)
return t3_phy_reset(phy, MDIO_DEV_PMA_PMD, wait);
}
-static int ael1006_intr_enable(struct cphy *phy)
-{
- return mdio_write(phy, MDIO_DEV_PMA_PMD, LASI_CTRL, 1);
-}
-
-static int ael1006_intr_disable(struct cphy *phy)
-{
- return mdio_write(phy, MDIO_DEV_PMA_PMD, LASI_CTRL, 0);
-}
-
-static int ael1006_intr_clear(struct cphy *phy)
-{
- u32 val;
-
- return mdio_read(phy, MDIO_DEV_PMA_PMD, LASI_STAT, &val);
-}
-
-static int ael1006_intr_handler(struct cphy *phy)
-{
- unsigned int status;
- int err = mdio_read(phy, MDIO_DEV_PMA_PMD, LASI_STAT, &status);
-
- if (err)
- return err;
- return (status & 1) ? cphy_cause_link_change : 0;
-}
-
static int ael1006_power_down(struct cphy *phy, int enable)
{
return t3_mdio_change_bits(phy, MDIO_DEV_PMA_PMD, MII_BMCR,
@@ -169,10 +139,10 @@ static int ael1006_power_down(struct cphy *phy, int enable)
static struct cphy_ops ael1006_ops = {
.reset = ael1006_reset,
- .intr_enable = ael1006_intr_enable,
- .intr_disable = ael1006_intr_disable,
- .intr_clear = ael1006_intr_clear,
- .intr_handler = ael1006_intr_handler,
+ .intr_enable = t3_phy_lasi_intr_enable,
+ .intr_disable = t3_phy_lasi_intr_disable,
+ .intr_clear = t3_phy_lasi_intr_clear,
+ .intr_handler = t3_phy_lasi_intr_handler,
.get_link_status = ael100x_get_link_status,
.power_down = ael1006_power_down,
};
@@ -189,10 +159,10 @@ int t3_ael1006_phy_prep(struct cphy *phy, struct adapter *adapter,
static struct cphy_ops qt2045_ops = {
.reset = ael1006_reset,
- .intr_enable = ael1006_intr_enable,
- .intr_disable = ael1006_intr_disable,
- .intr_clear = ael1006_intr_clear,
- .intr_handler = ael1006_intr_handler,
+ .intr_enable = t3_phy_lasi_intr_enable,
+ .intr_disable = t3_phy_lasi_intr_disable,
+ .intr_clear = t3_phy_lasi_intr_clear,
+ .intr_handler = t3_phy_lasi_intr_handler,
.get_link_status = ael100x_get_link_status,
.power_down = ael1006_power_down,
};
diff --git a/drivers/net/cxgb3/common.h b/drivers/net/cxgb3/common.h
index 75b5ee61f45c..d1b6b1e62f41 100644
--- a/drivers/net/cxgb3/common.h
+++ b/drivers/net/cxgb3/common.h
@@ -522,7 +522,20 @@ enum {
MDIO_DEV_PMA_PMD = 1,
MDIO_DEV_WIS = 2,
MDIO_DEV_PCS = 3,
- MDIO_DEV_XGXS = 4
+ MDIO_DEV_XGXS = 4,
+ MDIO_DEV_ANEG = 7,
+ MDIO_DEV_VEND1 = 30,
+ MDIO_DEV_VEND2 = 31
+};
+
+/* LASI control and status registers */
+enum {
+ RX_ALARM_CTRL = 0x9000,
+ TX_ALARM_CTRL = 0x9001,
+ LASI_CTRL = 0x9002,
+ RX_ALARM_STAT = 0x9003,
+ TX_ALARM_STAT = 0x9004,
+ LASI_STAT = 0x9005
};
/* PHY loopback direction */
@@ -665,6 +678,10 @@ int t3_mdio_change_bits(struct cphy *phy, int mmd, int reg, unsigned int clear,
int t3_phy_reset(struct cphy *phy, int mmd, int wait);
int t3_phy_advertise(struct cphy *phy, unsigned int advert);
int t3_set_phy_speed_duplex(struct cphy *phy, int speed, int duplex);
+int t3_phy_lasi_intr_enable(struct cphy *phy);
+int t3_phy_lasi_intr_disable(struct cphy *phy);
+int t3_phy_lasi_intr_clear(struct cphy *phy);
+int t3_phy_lasi_intr_handler(struct cphy *phy);
void t3_intr_enable(struct adapter *adapter);
void t3_intr_disable(struct adapter *adapter);
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index 5b8251decbdc..bddcf945d6bb 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -1516,11 +1516,22 @@ static int speed_duplex_to_caps(int speed, int duplex)
static int set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
+ int cap;
struct port_info *p = netdev_priv(dev);
struct link_config *lc = &p->link_config;
- if (!(lc->supported & SUPPORTED_Autoneg))
- return -EOPNOTSUPP; /* can't change speed/duplex */
+ if (!(lc->supported & SUPPORTED_Autoneg)) {
+ /*
+ * PHY offers a single speed/duplex. See if that's what's
+ * being requested.
+ */
+ if (cmd->autoneg == AUTONEG_DISABLE) {
+ cap = speed_duplex_to_caps(cmd->speed, cmd->duplex);
+ if (lc->supported & cap)
+ return 0;
+ }
+ return -EINVAL;
+ }
if (cmd->autoneg == AUTONEG_DISABLE) {
int cap = speed_duplex_to_caps(cmd->speed, cmd->duplex);
@@ -2195,7 +2206,7 @@ static int cxgb_ioctl(struct net_device *dev, struct ifreq *req, int cmd)
mmd = data->phy_id >> 8;
if (!mmd)
mmd = MDIO_DEV_PCS;
- else if (mmd > MDIO_DEV_XGXS)
+ else if (mmd > MDIO_DEV_VEND2)
return -EINVAL;
ret =
@@ -2221,7 +2232,7 @@ static int cxgb_ioctl(struct net_device *dev, struct ifreq *req, int cmd)
mmd = data->phy_id >> 8;
if (!mmd)
mmd = MDIO_DEV_PCS;
- else if (mmd > MDIO_DEV_XGXS)
+ else if (mmd > MDIO_DEV_VEND2)
return -EINVAL;
ret =
diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c
index bfce761156a1..58a3097579f9 100644
--- a/drivers/net/cxgb3/t3_hw.c
+++ b/drivers/net/cxgb3/t3_hw.c
@@ -442,6 +442,33 @@ int t3_set_phy_speed_duplex(struct cphy *phy, int speed, int duplex)
return mdio_write(phy, 0, MII_BMCR, ctl);
}
+int t3_phy_lasi_intr_enable(struct cphy *phy)
+{
+ return mdio_write(phy, MDIO_DEV_PMA_PMD, LASI_CTRL, 1);
+}
+
+int t3_phy_lasi_intr_disable(struct cphy *phy)
+{
+ return mdio_write(phy, MDIO_DEV_PMA_PMD, LASI_CTRL, 0);
+}
+
+int t3_phy_lasi_intr_clear(struct cphy *phy)
+{
+ u32 val;
+
+ return mdio_read(phy, MDIO_DEV_PMA_PMD, LASI_STAT, &val);
+}
+
+int t3_phy_lasi_intr_handler(struct cphy *phy)
+{
+ unsigned int status;
+ int err = mdio_read(phy, MDIO_DEV_PMA_PMD, LASI_STAT, &status);
+
+ if (err)
+ return err;
+ return (status & 1) ? cphy_cause_link_change : 0;
+}
+
static const struct adapter_info t3_adap_info[] = {
{2, 0,
F_GPIO2_OEN | F_GPIO4_OEN |
@@ -1132,6 +1159,15 @@ void t3_link_changed(struct adapter *adapter, int port_id)
phy->ops->get_link_status(phy, &link_ok, &speed, &duplex, &fc);
+ if (lc->requested_fc & PAUSE_AUTONEG)
+ fc &= lc->requested_fc;
+ else
+ fc = lc->requested_fc & (PAUSE_RX | PAUSE_TX);
+
+ if (link_ok == lc->link_ok && speed == lc->speed &&
+ duplex == lc->duplex && fc == lc->fc)
+ return; /* nothing changed */
+
if (link_ok != lc->link_ok && adapter->params.rev > 0 &&
uses_xaui(adapter)) {
if (link_ok)
@@ -1142,10 +1178,6 @@ void t3_link_changed(struct adapter *adapter, int port_id)
lc->link_ok = link_ok;
lc->speed = speed < 0 ? SPEED_INVALID : speed;
lc->duplex = duplex < 0 ? DUPLEX_INVALID : duplex;
- if (lc->requested_fc & PAUSE_AUTONEG)
- fc &= lc->requested_fc;
- else
- fc = lc->requested_fc & (PAUSE_RX | PAUSE_TX);
if (link_ok && speed >= 0 && lc->autoneg == AUTONEG_ENABLE) {
/* Set MAC speed, duplex, and flow control to match PHY. */
@@ -1191,7 +1223,6 @@ int t3_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc)
fc);
/* Also disables autoneg */
phy->ops->set_speed_duplex(phy, lc->speed, lc->duplex);
- phy->ops->reset(phy, 0);
} else
phy->ops->autoneg_enable(phy);
} else {
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.