From 6c8ad1ba1650e6c22dcaa5fe288c6236c3b25ae5 Mon Sep 17 00:00:00 2001 From: Shannon Nelson Date: Wed, 4 Jun 2014 01:23:22 +0000 Subject: [PATCH] i40e: allow user to set LAA again Don't short-circuit the LAA assignment when the driver thinks it has already been done - it is possible that the user might want to force the address setting again. At the same time, this requires a little re-ordering of the filter management. Change-ID: Ia0d71e3bc04edd7b68cf67edecc00abe7b9f6639 Signed-off-by: Shannon Nelson Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_main.c | 31 +++++++++++---------- 1 file changed, 16 insertions(+), 15 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 44789c2e3f50..81cbea72722e 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -1327,9 +1327,6 @@ static int i40e_set_mac(struct net_device *netdev, void *p) netdev_info(netdev, "set mac address=%pM\n", addr->sa_data); - if (ether_addr_equal(netdev->dev_addr, addr->sa_data)) - return 0; - if (test_bit(__I40E_DOWN, &vsi->back->state) || test_bit(__I40E_RESET_RECOVERY_PENDING, &vsi->back->state)) return -EADDRNOTAVAIL; @@ -1345,22 +1342,26 @@ static int i40e_set_mac(struct net_device *netdev, void *p) ret); return -EADDRNOTAVAIL; } - - ether_addr_copy(vsi->back->hw.mac.addr, addr->sa_data); } - /* In order to be sure to not drop any packets, add the new address - * then delete the old one. - */ - f = i40e_add_filter(vsi, addr->sa_data, I40E_VLAN_ANY, false, false); - if (!f) - return -ENOMEM; + if (!i40e_find_mac(vsi, addr->sa_data, false, true)) { - i40e_sync_vsi_filters(vsi); - i40e_del_filter(vsi, netdev->dev_addr, I40E_VLAN_ANY, false, false); - i40e_sync_vsi_filters(vsi); + /* In order to be sure to not drop any packets, add the + * new address first then delete the old one. + */ + f = i40e_add_filter(vsi, addr->sa_data, I40E_VLAN_ANY, + false, false); + if (!f) + return -ENOMEM; + + i40e_sync_vsi_filters(vsi); + i40e_del_filter(vsi, netdev->dev_addr, I40E_VLAN_ANY, + false, false); + i40e_sync_vsi_filters(vsi); + } - ether_addr_copy(netdev->dev_addr, addr->sa_data); + if (!ether_addr_equal(netdev->dev_addr, addr->sa_data)) + ether_addr_copy(netdev->dev_addr, addr->sa_data); return 0; } -- 2.20.1