Author: oleg
Date: Tue Nov 19 14:24:25 2013
New Revision: 258346
URL: http://svnweb.freebsd.org/changeset/base/258346
Log:
MFC: 257695
- Fix link loss on vlan reconfiguration.
- Fix issues with 'vlanhwfilter'.
Approved by: re (glebius)
Modified:
stable/10/sys/dev/ixgbe/ixgbe.c
Directory Properties:
stable/10/sys/ (props changed)
Modified: stable/10/sys/dev/ixgbe/ixgbe.c
==============================================================================
--- stable/10/sys/dev/ixgbe/ixgbe.c Tue Nov 19 13:32:24 2013
(r258345)
+++ stable/10/sys/dev/ixgbe/ixgbe.c Tue Nov 19 14:24:25 2013
(r258346)
@@ -1253,9 +1253,6 @@ ixgbe_init_locked(struct adapter *adapte
IXGBE_WRITE_REG(hw, IXGBE_RDT(i), adapter->num_rx_desc - 1);
}
- /* Set up VLAN support and filter */
- ixgbe_setup_vlan_hw_support(adapter);
-
/* Enable Receive engine */
rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
if (hw->mac.type == ixgbe_mac_82598EB)
@@ -1339,6 +1336,9 @@ ixgbe_init_locked(struct adapter *adapte
/* Initialize the FC settings */
ixgbe_start_hw(hw);
+ /* Set up VLAN support and filter */
+ ixgbe_setup_vlan_hw_support(adapter);
+
/* And now turn on interrupts */
ixgbe_enable_intr(adapter);
@@ -4691,7 +4691,7 @@ ixgbe_register_vlan(void *arg, struct if
bit = vtag & 0x1F;
adapter->shadow_vfta[index] |= (1 << bit);
++adapter->num_vlans;
- ixgbe_init_locked(adapter);
+ ixgbe_setup_vlan_hw_support(adapter);
IXGBE_CORE_UNLOCK(adapter);
}
@@ -4718,7 +4718,7 @@ ixgbe_unregister_vlan(void *arg, struct
adapter->shadow_vfta[index] &= ~(1 << bit);
--adapter->num_vlans;
/* Re-init to load the changes */
- ixgbe_init_locked(adapter);
+ ixgbe_setup_vlan_hw_support(adapter);
IXGBE_CORE_UNLOCK(adapter);
}
@@ -4740,6 +4740,20 @@ ixgbe_setup_vlan_hw_support(struct adapt
if (adapter->num_vlans == 0)
return;
+ /* Setup the queues for vlans */
+ for (int i = 0; i < adapter->num_queues; i++) {
+ rxr = &adapter->rx_rings[i];
+ /* On 82599 the VLAN enable is per/queue in RXDCTL */
+ if (hw->mac.type != ixgbe_mac_82598EB) {
+ ctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
+ ctrl |= IXGBE_RXDCTL_VME;
+ IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(i), ctrl);
+ }
+ rxr->vtag_strip = TRUE;
+ }
+
+ if ((ifp->if_capenable & IFCAP_VLAN_HWFILTER) == 0)
+ return;
/*
** A soft reset zero's out the VFTA, so
** we need to repopulate it now.
@@ -4758,18 +4772,6 @@ ixgbe_setup_vlan_hw_support(struct adapt
if (hw->mac.type == ixgbe_mac_82598EB)
ctrl |= IXGBE_VLNCTRL_VME;
IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, ctrl);
-
- /* Setup the queues for vlans */
- for (int i = 0; i < adapter->num_queues; i++) {
- rxr = &adapter->rx_rings[i];
- /* On 82599 the VLAN enable is per/queue in RXDCTL */
- if (hw->mac.type != ixgbe_mac_82598EB) {
- ctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
- ctrl |= IXGBE_RXDCTL_VME;
- IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(i), ctrl);
- }
- rxr->vtag_strip = TRUE;
- }
}
static void
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