igbvf: fix vlan filtering

Once posted through mailbox, we must check for nack from the PF
and report an error in this case.

Signed-off-by: Julien Meunier <julien.meunier@6wind.com>
Signed-off-by: David Marchand <david.marchand@6wind.com>
Acked-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
This commit is contained in:
Julien Meunier 2015-11-03 15:25:22 +01:00 committed by Thomas Monjalon
parent 4d4a76a6c9
commit 6a5f84590a

View File

@ -2793,6 +2793,7 @@ static int igbvf_set_vfta(struct e1000_hw *hw, uint16_t vid, bool on)
{
struct e1000_mbx_info *mbx = &hw->mbx;
uint32_t msgbuf[2];
s32 err;
/* After set vlan, vlan strip will also be enabled in igb driver*/
msgbuf[0] = E1000_VF_SET_VLAN;
@ -2801,7 +2802,20 @@ static int igbvf_set_vfta(struct e1000_hw *hw, uint16_t vid, bool on)
if (on)
msgbuf[0] |= E1000_VF_SET_VLAN_ADD;
return (mbx->ops.write_posted(hw, msgbuf, 2, 0));
err = mbx->ops.write_posted(hw, msgbuf, 2, 0);
if (err)
goto mbx_err;
err = mbx->ops.read_posted(hw, msgbuf, 2, 0);
if (err)
goto mbx_err;
msgbuf[0] &= ~E1000_VT_MSGTYPE_CTS;
if (msgbuf[0] == (E1000_VF_SET_VLAN | E1000_VT_MSGTYPE_NACK))
err = -EINVAL;
mbx_err:
return err;
}
static void igbvf_set_vfta_all(struct rte_eth_dev *dev, bool on)