This is a note to let you know that I've just added the patch titled [PATCH 007/135] i40e: don't add zero MAC filter to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: 0007-i40e-don-t-add-zero-MAC-filter.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 290c71a6a36614671ac13432d26c0e02370afe5b Mon Sep 17 00:00:00 2001 From: Mitch Williams <mitch.a.williams@xxxxxxxxx> Date: Thu, 19 Nov 2015 11:34:17 -0800 Subject: [PATCH 007/135] i40e: don't add zero MAC filter [ Upstream commit b7b713a8eaf325607d37229f024ad0b9f3e7f320 ] When VFs are created, the MAC address defaults to all zeros, indicating to the VF driver that it should use a random MAC address. However, the PF driver was incorrectly adding this zero MAC to the filter table, along with the VF's randomly generated MAC address. Check for a good address before adding the default filter. While we're at it, make the error message a bit more useful. Change-ID: Ia100947d68140e0f73a19ba755cbffc3e79a8fcf Signed-off-by: Mitch Williams <mitch.a.williams@xxxxxxxxx> Tested-by: Andrew Bowers <andrewx.bowers@xxxxxxxxx> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@xxxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -549,12 +549,15 @@ static int i40e_alloc_vsi_res(struct i40 i40e_vsi_add_pvid(vsi, vf->port_vlan_id); spin_lock_bh(&vsi->mac_filter_list_lock); - f = i40e_add_filter(vsi, vf->default_lan_addr.addr, - vf->port_vlan_id ? vf->port_vlan_id : -1, - true, false); - if (!f) - dev_info(&pf->pdev->dev, - "Could not allocate VF MAC addr\n"); + if (is_valid_ether_addr(vf->default_lan_addr.addr)) { + f = i40e_add_filter(vsi, vf->default_lan_addr.addr, + vf->port_vlan_id ? vf->port_vlan_id : -1, + true, false); + if (!f) + dev_info(&pf->pdev->dev, + "Could not add MAC filter %pM for VF %d\n", + vf->default_lan_addr.addr, vf->vf_id); + } f = i40e_add_filter(vsi, brdcast, vf->port_vlan_id ? vf->port_vlan_id : -1, true, false); Patches currently in stable-queue which might be from mitch.a.williams@xxxxxxxxx are queue-4.4/0008-i40evf-check-rings-before-freeing-resources.patch queue-4.4/0007-i40e-don-t-add-zero-MAC-filter.patch queue-4.4/0002-i40evf-handle-many-MAC-filters-correctly.patch queue-4.4/0006-i40e-properly-delete-VF-MAC-filters.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html