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i40e: Allow VF to set already assigned MAC address 

The VF is allowed to request the PF to set its already assigned
MAC address without generating an error.

Change-Id: I8dfdf353396995dbbb26cafab4e42b451911da3d
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Acked-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
hifive-unleashed-5.1
Greg Rose 2013-12-07 10:36:54 +00:00 committed by Jeff Kirsher
parent 6bbac866ce
commit 5017c2a8af
1 changed files with 4 additions and 1 deletions
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5
drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
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@ -1348,10 +1348,13 @@ static inline int i40e_check_vf_permission(struct i40e_vf *vf, u8 *macaddr)
is_zero_ether_addr(macaddr)) {
dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n", macaddr);
ret = I40E_ERR_INVALID_MAC_ADDR;
} else if (vf->pf_set_mac && !is_multicast_ether_addr(macaddr)) {
} else if (vf->pf_set_mac && !is_multicast_ether_addr(macaddr) &&
!ether_addr_equal(macaddr, vf->default_lan_addr.addr)) {
/* If the host VMM administrator has set the VF MAC address
* administratively via the ndo_set_vf_mac command then deny
* permission to the VF to add or delete unicast MAC addresses.
* The VF may request to set the MAC address filter already
* assigned to it so do not return an error in that case.
*/
dev_err(&pf->pdev->dev,
"VF attempting to override administratively set MAC address\nPlease reload the VF driver to resume normal operation\n");