@@ -944,6 +944,14 @@ static void e1000_initialize_hw_bits_80003es2lan(struct e1000_hw *hw)
else
reg |= (1 << 28);
ew32(TARC(1), reg);
+
+ /*
+ * Disable IPv6 extension header parsing because some malformed
+ * IPv6 headers can hang the Rx.
+ */
+ reg = er32(RFCTL);
+ reg |= (E1000_RFCTL_IPV6_EX_DIS | E1000_RFCTL_NEW_IPV6_EXT_DIS);
+ ew32(RFCTL, reg);
}
/**
@@ -1279,6 +1279,16 @@ static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw)
ew32(CTRL_EXT, reg);
}
+ /*
+ * Disable IPv6 extension header parsing because some malformed
+ * IPv6 headers can hang the Rx.
+ */
+ if (hw->mac.type <= e1000_82573) {
+ reg = er32(RFCTL);
+ reg |= (E1000_RFCTL_IPV6_EX_DIS | E1000_RFCTL_NEW_IPV6_EXT_DIS);
+ ew32(RFCTL, reg);
+ }
+
/* PCI-Ex Control Registers */
switch (hw->mac.type) {
case e1000_82574:
@@ -3468,6 +3468,13 @@ static void e1000_initialize_hw_bits_ich8lan(struct e1000_hw *hw)
*/
reg = er32(RFCTL);
reg |= (E1000_RFCTL_NFSW_DIS | E1000_RFCTL_NFSR_DIS);
+
+ /*
+ * Disable IPv6 extension header parsing because some malformed
+ * IPv6 headers can hang the Rx.
+ */
+ if (hw->mac.type == e1000_ich8lan)
+ reg |= (E1000_RFCTL_IPV6_EX_DIS | E1000_RFCTL_NEW_IPV6_EXT_DIS);
ew32(RFCTL, reg);
}
@@ -2939,6 +2939,7 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter)
/* Enable Extended Status in all Receive Descriptors */
rfctl = er32(RFCTL);
rfctl |= E1000_RFCTL_EXTEN;
+ ew32(RFCTL, rfctl);
/*
* 82571 and greater support packet-split where the protocol
@@ -2964,13 +2965,6 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter)
if (adapter->rx_ps_pages) {
u32 psrctl = 0;
- /*
- * disable packet split support for IPv6 extension headers,
- * because some malformed IPv6 headers can hang the Rx
- */
- rfctl |= (E1000_RFCTL_IPV6_EX_DIS |
- E1000_RFCTL_NEW_IPV6_EXT_DIS);
-
/* Enable Packet split descriptors */
rctl |= E1000_RCTL_DTYP_PS;
@@ -3009,7 +3003,6 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter)
*/
}
- ew32(RFCTL, rfctl);
ew32(RCTL, rctl);
/* just started the receive unit, no need to restart */
adapter->flags &= ~FLAG_RX_RESTART_NOW;