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Commit a6b5ea35 authored by Greg Rose's avatar Greg Rose Committed by Jeff Kirsher
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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: default avatarGreg Rose <gregory.v.rose@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 8fa7e0f7
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+14 −3
Original line number Diff line number Diff line
@@ -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 = -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;
		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;