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igb: Warn on attempt to override administratively set MAC/VLAN 

Print a warning message to the system log when the VF attempts to
override administratively set MAC/VLAN configuration.

Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Greg Rose 2010-11-06 05:42:59 +00:00 committed by Jeff Kirsher
parent 8fa7e0f739
commit a6b5ea3538
1 changed files with 14 additions and 3 deletions
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17
drivers/net/igb/igb_main.c
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@ -5105,7 +5105,14 @@ static void igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf)
switch ((msgbuf[0] & 0xFFFF)) {
case E1000_VF_SET_MAC_ADDR:
retval = igb_set_vf_mac_addr(adapter, msgbuf, vf);
retval = -EINVAL;
if (!(vf_data->flags & IGB_VF_FLAG_PF_SET_MAC))
retval = igb_set_vf_mac_addr(adapter, msgbuf, vf);
else
dev_warn(&pdev->dev,
"VF %d attempted to override administratively "
"set MAC address\nReload the VF driver to "
"resume operations\n", vf);
break;
case E1000_VF_SET_PROMISC:
retval = igb_set_vf_promisc(adapter, msgbuf, vf);
@ -5117,8 +5124,12 @@ static void igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf)
retval = igb_set_vf_rlpml(adapter, msgbuf[1], vf);
break;
case E1000_VF_SET_VLAN:
if (adapter->vf_data[vf].pf_vlan)
retval = -1;
retval = -1;
if (vf_data->pf_vlan)
dev_warn(&pdev->dev,
"VF %d attempted to override administratively "
"set VLAN tag\nReload the VF driver to "
"resume operations\n", vf);
else
retval = igb_set_vf_vlan(adapter, msgbuf, vf);
break;