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ixgbe: Warn on VF attempt to override Administratively set MAC/VLAN 

Print warnings to the system log when the VF attempts to override
MAC/VLAN settings that were configured by the VMM Host administrator
using the ip link set commands.

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 2010-11-18 03:03:23 +00:00 committed by Jeff Kirsher
parent 031d7952ee
commit d3306c2974
1 changed files with 29 additions and 11 deletions
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40
drivers/net/ixgbe/ixgbe_sriov.c
View File

@ -227,6 +227,7 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
int entries;
u16 *hash_list;
int add, vid;
u8 *new_mac;
retval = ixgbe_read_mbx(hw, msgbuf, mbx_size, vf);
@ -244,15 +245,22 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
if (msgbuf[0] == IXGBE_VF_RESET) {
unsigned char *vf_mac = adapter->vfinfo[vf].vf_mac_addresses;
u8 *addr = (u8 *)(&msgbuf[1]);
new_mac = (u8 *)(&msgbuf[1]);
e_info(probe, "VF Reset msg received from vf %d\n", vf);
adapter->vfinfo[vf].clear_to_send = false;
ixgbe_vf_reset_msg(adapter, vf);
adapter->vfinfo[vf].clear_to_send = true;
if (is_valid_ether_addr(new_mac) &&
!adapter->vfinfo[vf].pf_set_mac)
ixgbe_set_vf_mac(adapter, vf, vf_mac);
else
ixgbe_set_vf_mac(adapter,
vf, adapter->vfinfo[vf].vf_mac_addresses);
/* reply to reset with ack and vf mac address */
msgbuf[0] = IXGBE_VF_RESET | IXGBE_VT_MSGTYPE_ACK;
memcpy(addr, vf_mac, IXGBE_ETH_LENGTH_OF_ADDRESS);
memcpy(new_mac, vf_mac, IXGBE_ETH_LENGTH_OF_ADDRESS);
/*
* Piggyback the multicast filter type so VF can compute the
* correct vectors
@ -271,14 +279,16 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
switch ((msgbuf[0] & 0xFFFF)) {
case IXGBE_VF_SET_MAC_ADDR:
{
u8 *new_mac = ((u8 *)(&msgbuf[1]));
if (is_valid_ether_addr(new_mac) &&
!adapter->vfinfo[vf].pf_set_mac)
ixgbe_set_vf_mac(adapter, vf, new_mac);
else
ixgbe_set_vf_mac(adapter,
vf, adapter->vfinfo[vf].vf_mac_addresses);
new_mac = ((u8 *)(&msgbuf[1]));
if (is_valid_ether_addr(new_mac) &&
!adapter->vfinfo[vf].pf_set_mac) {
ixgbe_set_vf_mac(adapter, vf, new_mac);
} else if (memcmp(adapter->vfinfo[vf].vf_mac_addresses,
new_mac, ETH_ALEN)) {
e_warn(drv, "VF %d attempted to override "
"administratively set MAC address\nReload "
"the VF driver to resume operations\n", vf);
retval = -1;
}
break;
case IXGBE_VF_SET_MULTICAST:
@ -295,7 +305,15 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
add = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK)
>> IXGBE_VT_MSGINFO_SHIFT;
vid = (msgbuf[1] & IXGBE_VLVF_VLANID_MASK);
retval = ixgbe_set_vf_vlan(adapter, add, vid, vf);
if (adapter->vfinfo[vf].pf_vlan) {
e_warn(drv, "VF %d attempted to override "
"administratively set VLAN configuration\n"
"Reload the VF driver to resume operations\n",
vf);
retval = -1;
} else {
retval = ixgbe_set_vf_vlan(adapter, add, vid, vf);
}
break;
default:
e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]);