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diff --git a/sys/dev/axgbe/xgbe-phy-v2.c b/sys/dev/axgbe/xgbe-phy-v2.c
--- a/sys/dev/axgbe/xgbe-phy-v2.c
+++ b/sys/dev/axgbe/xgbe-phy-v2.c
@@ -213,6 +213,9 @@
#define XGBE_SFP_BASE_EXT_ID 1
#define XGBE_SFP_EXT_ID_SFP 0x04
+#define XGBE_SFP_BASE_CV 2
+#define XGBE_SFP_BASE_CV_CP 0x21
+
#define XGBE_SFP_BASE_10GBE_CC 3
#define XGBE_SFP_BASE_10GBE_CC_SR BIT(4)
#define XGBE_SFP_BASE_10GBE_CC_LR BIT(5)
@@ -380,6 +383,7 @@
};
static enum xgbe_an_mode xgbe_phy_an_mode(struct xgbe_prv_data *pdata);
+static int xgbe_phy_reset(struct xgbe_prv_data *pdata);
static int
xgbe_phy_i2c_xfer(struct xgbe_prv_data *pdata, struct xgbe_i2c_op *i2c_op)
@@ -1209,8 +1213,16 @@
} else
phy_data->sfp_cable = XGBE_SFP_CABLE_ACTIVE;
- /* Determine the type of SFP */
- if (sfp_base[XGBE_SFP_BASE_10GBE_CC] & XGBE_SFP_BASE_10GBE_CC_SR)
+ /*
+ * Determine the type of SFP. Certain 10G SFP+ modules read as
+ * 1000BASE-CX. To prevent 10G DAC cables to be recognized as
+ * 1G, we first check if it is a DAC and the bitrate is 10G.
+ */
+ if (((sfp_base[XGBE_SFP_BASE_CV] & XGBE_SFP_BASE_CV_CP) ||
+ (phy_data->sfp_cable == XGBE_SFP_CABLE_PASSIVE)) &&
+ xgbe_phy_sfp_bit_rate(sfp_eeprom, XGBE_SFP_SPEED_10000))
+ phy_data->sfp_base = XGBE_SFP_BASE_10000_CR;
+ else if (sfp_base[XGBE_SFP_BASE_10GBE_CC] & XGBE_SFP_BASE_10GBE_CC_SR)
phy_data->sfp_base = XGBE_SFP_BASE_10000_SR;
else if (sfp_base[XGBE_SFP_BASE_10GBE_CC] & XGBE_SFP_BASE_10GBE_CC_LR)
phy_data->sfp_base = XGBE_SFP_BASE_10000_LR;
@@ -1226,9 +1238,6 @@
phy_data->sfp_base = XGBE_SFP_BASE_1000_CX;
else if (sfp_base[XGBE_SFP_BASE_1GBE_CC] & XGBE_SFP_BASE_1GBE_CC_T)
phy_data->sfp_base = XGBE_SFP_BASE_1000_T;
- else if ((phy_data->sfp_cable == XGBE_SFP_CABLE_PASSIVE) &&
- xgbe_phy_sfp_bit_rate(sfp_eeprom, XGBE_SFP_SPEED_10000))
- phy_data->sfp_base = XGBE_SFP_BASE_10000_CR;
switch (phy_data->sfp_base) {
case XGBE_SFP_BASE_1000_T:
@@ -2879,7 +2888,12 @@
axgbe_printf(1, "ENTERED RRC: rrc_count: %d\n",
phy_data->rrc_count);
phy_data->rrc_count = 0;
- xgbe_phy_rrc(pdata);
+ if (pdata->link_workaround) {
+ ret = xgbe_phy_reset(pdata);
+ if (ret)
+ axgbe_error("Error resetting phy\n");
+ } else
+ xgbe_phy_rrc(pdata);
}
return (0);
diff --git a/sys/dev/axgbe/xgbe-sysctl.c b/sys/dev/axgbe/xgbe-sysctl.c
--- a/sys/dev/axgbe/xgbe-sysctl.c
+++ b/sys/dev/axgbe/xgbe-sysctl.c
@@ -1618,6 +1618,10 @@
CTLFLAG_RDTUN, &pdata->sph_enable, 1,
"shows the split header feature state (1 - enable, 0 - disable");
+ SYSCTL_ADD_UINT(clist, top, OID_AUTO, "link_workaround",
+ CTLFLAG_RWTUN, &pdata->link_workaround, 0,
+ "enable the workaround for link issue in coming up");
+
SYSCTL_ADD_PROC(clist, top, OID_AUTO, "xgmac_register",
CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
pdata, 0, sysctl_xgmac_reg_addr_handler, "IU",
diff --git a/sys/dev/axgbe/xgbe.h b/sys/dev/axgbe/xgbe.h
--- a/sys/dev/axgbe/xgbe.h
+++ b/sys/dev/axgbe/xgbe.h
@@ -1302,6 +1302,7 @@
* This requires a complete restart.
*/
unsigned int sph_enable;
+ unsigned int link_workaround;
};
struct axgbe_if_softc {

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