diff options
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_main.c | 99 |
1 files changed, 70 insertions, 29 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 172f7561643a..3216aa5e705e 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -1239,8 +1239,11 @@ struct i40e_mac_filter *i40e_put_mac_in_vlan(struct i40e_vsi *vsi, u8 *macaddr, * i40e_rm_default_mac_filter - Remove the default MAC filter set by NVM * @vsi: the PF Main VSI - inappropriate for any other VSI * @macaddr: the MAC address + * + * Some older firmware configurations set up a default promiscuous VLAN + * filter that needs to be removed. **/ -static void i40e_rm_default_mac_filter(struct i40e_vsi *vsi, u8 *macaddr) +static int i40e_rm_default_mac_filter(struct i40e_vsi *vsi, u8 *macaddr) { struct i40e_aqc_remove_macvlan_element_data element; struct i40e_pf *pf = vsi->back; @@ -1248,15 +1251,18 @@ static void i40e_rm_default_mac_filter(struct i40e_vsi *vsi, u8 *macaddr) /* Only appropriate for the PF main VSI */ if (vsi->type != I40E_VSI_MAIN) - return; + return -EINVAL; + memset(&element, 0, sizeof(element)); ether_addr_copy(element.mac_addr, macaddr); element.vlan_tag = 0; element.flags = I40E_AQC_MACVLAN_DEL_PERFECT_MATCH | I40E_AQC_MACVLAN_DEL_IGNORE_VLAN; aq_ret = i40e_aq_remove_macvlan(&pf->hw, vsi->seid, &element, 1, NULL); if (aq_ret) - dev_err(&pf->pdev->dev, "Could not remove default MAC-VLAN\n"); + return -ENOENT; + + return 0; } /** @@ -1385,18 +1391,30 @@ static int i40e_set_mac(struct net_device *netdev, void *p) { struct i40e_netdev_priv *np = netdev_priv(netdev); struct i40e_vsi *vsi = np->vsi; + struct i40e_pf *pf = vsi->back; + struct i40e_hw *hw = &pf->hw; struct sockaddr *addr = p; struct i40e_mac_filter *f; if (!is_valid_ether_addr(addr->sa_data)) return -EADDRNOTAVAIL; - netdev_info(netdev, "set mac address=%pM\n", addr->sa_data); + if (ether_addr_equal(netdev->dev_addr, addr->sa_data)) { + netdev_info(netdev, "already using mac address %pM\n", + addr->sa_data); + return 0; + } if (test_bit(__I40E_DOWN, &vsi->back->state) || test_bit(__I40E_RESET_RECOVERY_PENDING, &vsi->back->state)) return -EADDRNOTAVAIL; + if (ether_addr_equal(hw->mac.addr, addr->sa_data)) + netdev_info(netdev, "returning to hw mac address %pM\n", + hw->mac.addr); + else + netdev_info(netdev, "set new mac address %pM\n", addr->sa_data); + if (vsi->type == I40E_VSI_MAIN) { i40e_status ret; ret = i40e_aq_mac_address_write(&vsi->back->hw, @@ -1410,25 +1428,34 @@ static int i40e_set_mac(struct net_device *netdev, void *p) } } - f = i40e_find_mac(vsi, addr->sa_data, false, true); - if (!f) { - /* 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; + if (ether_addr_equal(netdev->dev_addr, hw->mac.addr)) { + struct i40e_aqc_remove_macvlan_element_data element; - i40e_sync_vsi_filters(vsi); + memset(&element, 0, sizeof(element)); + ether_addr_copy(element.mac_addr, netdev->dev_addr); + element.flags = I40E_AQC_MACVLAN_DEL_PERFECT_MATCH; + i40e_aq_remove_macvlan(&pf->hw, vsi->seid, &element, 1, NULL); + } else { i40e_del_filter(vsi, netdev->dev_addr, I40E_VLAN_ANY, false, false); - i40e_sync_vsi_filters(vsi); } - f->is_laa = true; - if (!ether_addr_equal(netdev->dev_addr, addr->sa_data)) - ether_addr_copy(netdev->dev_addr, addr->sa_data); + if (ether_addr_equal(addr->sa_data, hw->mac.addr)) { + struct i40e_aqc_add_macvlan_element_data element; + + memset(&element, 0, sizeof(element)); + ether_addr_copy(element.mac_addr, hw->mac.addr); + element.flags = cpu_to_le16(I40E_AQC_MACVLAN_ADD_PERFECT_MATCH); + i40e_aq_add_macvlan(&pf->hw, vsi->seid, &element, 1, NULL); + } else { + f = i40e_add_filter(vsi, addr->sa_data, I40E_VLAN_ANY, + false, false); + if (f) + f->is_laa = true; + } + + i40e_sync_vsi_filters(vsi); + ether_addr_copy(netdev->dev_addr, addr->sa_data); return 0; } @@ -1796,9 +1823,8 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi) kfree(add_list); add_list = NULL; - if (add_happened && (!aq_ret)) { - /* do nothing */; - } else if (add_happened && (aq_ret)) { + if (add_happened && aq_ret && + pf->hw.aq.asq_last_status != I40E_AQ_RC_EINVAL) { dev_info(&pf->pdev->dev, "add filter failed, err %d, aq_err %d\n", aq_ret, pf->hw.aq.asq_last_status); @@ -7512,14 +7538,14 @@ static int i40e_config_netdev(struct i40e_vsi *vsi) if (vsi->type == I40E_VSI_MAIN) { SET_NETDEV_DEV(netdev, &pf->pdev->dev); ether_addr_copy(mac_addr, hw->mac.perm_addr); - /* The following two steps are necessary to prevent reception - * of tagged packets - by default the NVM loads a MAC-VLAN - * filter that will accept any tagged packet. This is to - * prevent that during normal operations until a specific - * VLAN tag filter has been set. + /* The following steps are necessary to prevent reception + * of tagged packets - some older NVM configurations load a + * default a MAC-VLAN filter that accepts any tagged packet + * which must be replaced by a normal filter. */ - i40e_rm_default_mac_filter(vsi, mac_addr); - i40e_add_filter(vsi, mac_addr, I40E_VLAN_ANY, false, true); + if (!i40e_rm_default_mac_filter(vsi, mac_addr)) + i40e_add_filter(vsi, mac_addr, + I40E_VLAN_ANY, false, true); } else { /* relate the VSI_VMDQ name to the VSI_MAIN name */ snprintf(netdev->name, IFNAMSIZ, "%sv%%d", @@ -7735,7 +7761,22 @@ static int i40e_add_vsi(struct i40e_vsi *vsi) f_count++; if (f->is_laa && vsi->type == I40E_VSI_MAIN) { - i40e_aq_mac_address_write(&vsi->back->hw, + struct i40e_aqc_remove_macvlan_element_data element; + + memset(&element, 0, sizeof(element)); + ether_addr_copy(element.mac_addr, f->macaddr); + element.flags = I40E_AQC_MACVLAN_DEL_PERFECT_MATCH; + ret = i40e_aq_remove_macvlan(hw, vsi->seid, + &element, 1, NULL); + if (ret) { + /* some older FW has a different default */ + element.flags |= + I40E_AQC_MACVLAN_DEL_IGNORE_VLAN; + i40e_aq_remove_macvlan(hw, vsi->seid, + &element, 1, NULL); + } + + i40e_aq_mac_address_write(hw, I40E_AQC_WRITE_TYPE_LAA_WOL, f->macaddr, NULL); } |