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Index: sys/dev/e1000/if_em.c
===================================================================
--- sys/dev/e1000/if_em.c
+++ sys/dev/e1000/if_em.c
@@ -3411,6 +3411,7 @@
bit = vtag & 0x1F;
adapter->shadow_vfta[index] |= (1 << bit);
++adapter->num_vlans;
+ em_setup_vlan_hw_support(adapter);
}
static void
@@ -3423,11 +3424,13 @@
bit = vtag & 0x1F;
adapter->shadow_vfta[index] &= ~(1 << bit);
--adapter->num_vlans;
+ em_setup_vlan_hw_support(adapter);
}
static void
em_setup_vlan_hw_support(struct adapter *adapter)
{
+ struct ifnet *ifp = iflib_get_ifp(adapter->ctx);
struct e1000_hw *hw = &adapter->hw;
u32 reg;
@@ -3440,18 +3443,33 @@
if (adapter->num_vlans == 0)
return;
+ if (adapter->vf_ifp)
+ e1000_rlpml_set_vf(hw,
+ adapter->shared->isc_max_frame_size + VLAN_TAG_SIZE);
+
+ if (ifp->if_capenable & IFCAP_VLAN_HWTAGGING &&
+ !em_disable_crc_stripping) {
+ reg = E1000_READ_REG(hw, E1000_CTRL);
+ reg |= E1000_CTRL_VME;
+ E1000_WRITE_REG(hw, E1000_CTRL, reg);
+ }
+
+ /* If we aren't doing HW filtering, we're done */
+ if ((ifp->if_capenable & IFCAP_VLAN_HWFILTER) == 0 ||
+ em_disable_crc_stripping)
+ return;
+
/*
* A soft reset zero's out the VFTA, so
* we need to repopulate it now.
*/
for (int i = 0; i < EM_VFTA_SIZE; i++)
- if (adapter->shadow_vfta[i] != 0)
- E1000_WRITE_REG_ARRAY(hw, E1000_VFTA,
- i, adapter->shadow_vfta[i]);
-
- reg = E1000_READ_REG(hw, E1000_CTRL);
- reg |= E1000_CTRL_VME;
- E1000_WRITE_REG(hw, E1000_CTRL, reg);
+ if (adapter->shadow_vfta[i] != 0) {
+ if (adapter->vf_ifp)
+ e1000_vfta_set_vf(hw, adapter->shadow_vfta[i], TRUE);
+ else
+ e1000_write_vfta(hw, i, adapter->shadow_vfta[i]);
+ }
/* Enable the Filter Table */
reg = E1000_READ_REG(hw, E1000_RCTL);

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