From 5017c2a8afec40d2d78411525dc1518b9f6276ca Mon Sep 17 00:00:00 2001 From: Greg Rose Date: Sat, 7 Dec 2013 10:36:54 +0000 Subject: [PATCH] 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 Signed-off-by: Jesse Brandeburg Acked-by: Shannon Nelson Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index fee368a7e75e..5c99164e6cf0 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -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"); -- 2.30.2