diff options
Diffstat (limited to 'drivers/net/e1000/e1000_main.c')
| -rw-r--r-- | drivers/net/e1000/e1000_main.c | 47 |
1 files changed, 31 insertions, 16 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 40dbe4cfe55..ade483e6e6d 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -126,7 +126,7 @@ static void e1000_clean_tx_ring(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring); static void e1000_clean_rx_ring(struct e1000_adapter *adapter, struct e1000_rx_ring *rx_ring); -static void e1000_set_multi(struct net_device *netdev); +static void e1000_set_rx_mode(struct net_device *netdev); static void e1000_update_phy_info(unsigned long data); static void e1000_watchdog(unsigned long data); static void e1000_82547_tx_fifo_stall(unsigned long data); @@ -487,7 +487,7 @@ static void e1000_configure(struct e1000_adapter *adapter) struct net_device *netdev = adapter->netdev; int i; - e1000_set_multi(netdev); + e1000_set_rx_mode(netdev); e1000_restore_vlan(adapter); e1000_init_manageability(adapter); @@ -900,7 +900,7 @@ e1000_probe(struct pci_dev *pdev, netdev->stop = &e1000_close; netdev->hard_start_xmit = &e1000_xmit_frame; netdev->get_stats = &e1000_get_stats; - netdev->set_multicast_list = &e1000_set_multi; + netdev->set_rx_mode = &e1000_set_rx_mode; netdev->set_mac_address = &e1000_set_mac; netdev->change_mtu = &e1000_change_mtu; netdev->do_ioctl = &e1000_ioctl; @@ -2383,21 +2383,22 @@ e1000_set_mac(struct net_device *netdev, void *p) } /** - * e1000_set_multi - Multicast and Promiscuous mode set + * e1000_set_rx_mode - Secondary Unicast, Multicast and Promiscuous mode set * @netdev: network interface device structure * - * The set_multi entry point is called whenever the multicast address - * list or the network interface flags are updated. This routine is - * responsible for configuring the hardware for proper multicast, + * The set_rx_mode entry point is called whenever the unicast or multicast + * address lists or the network interface flags are updated. This routine is + * responsible for configuring the hardware for proper unicast, multicast, * promiscuous mode, and all-multi behavior. **/ static void -e1000_set_multi(struct net_device *netdev) +e1000_set_rx_mode(struct net_device *netdev) { struct e1000_adapter *adapter = netdev_priv(netdev); struct e1000_hw *hw = &adapter->hw; - struct dev_mc_list *mc_ptr; + struct dev_addr_list *uc_ptr; + struct dev_addr_list *mc_ptr; uint32_t rctl; uint32_t hash_value; int i, rar_entries = E1000_RAR_ENTRIES; @@ -2420,9 +2421,16 @@ e1000_set_multi(struct net_device *netdev) rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE); } else if (netdev->flags & IFF_ALLMULTI) { rctl |= E1000_RCTL_MPE; - rctl &= ~E1000_RCTL_UPE; } else { - rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE); + rctl &= ~E1000_RCTL_MPE; + } + + uc_ptr = NULL; + if (netdev->uc_count > rar_entries - 1) { + rctl |= E1000_RCTL_UPE; + } else if (!(netdev->flags & IFF_PROMISC)) { + rctl &= ~E1000_RCTL_UPE; + uc_ptr = netdev->uc_list; } E1000_WRITE_REG(hw, RCTL, rctl); @@ -2432,7 +2440,10 @@ e1000_set_multi(struct net_device *netdev) if (hw->mac_type == e1000_82542_rev2_0) e1000_enter_82542_rst(adapter); - /* load the first 14 multicast address into the exact filters 1-14 + /* load the first 14 addresses into the exact filters 1-14. Unicast + * addresses take precedence to avoid disabling unicast filtering + * when possible. + * * RAR 0 is used for the station MAC adddress * if there are not 14 addresses, go ahead and clear the filters * -- with 82571 controllers only 0-13 entries are filled here @@ -2440,8 +2451,11 @@ e1000_set_multi(struct net_device *netdev) mc_ptr = netdev->mc_list; for (i = 1; i < rar_entries; i++) { - if (mc_ptr) { - e1000_rar_set(hw, mc_ptr->dmi_addr, i); + if (uc_ptr) { + e1000_rar_set(hw, uc_ptr->da_addr, i); + uc_ptr = uc_ptr->next; + } else if (mc_ptr) { + e1000_rar_set(hw, mc_ptr->da_addr, i); mc_ptr = mc_ptr->next; } else { E1000_WRITE_REG_ARRAY(hw, RA, i << 1, 0); @@ -2450,6 +2464,7 @@ e1000_set_multi(struct net_device *netdev) E1000_WRITE_FLUSH(hw); } } + WARN_ON(uc_ptr != NULL); /* clear the old settings from the multicast hash table */ @@ -2461,7 +2476,7 @@ e1000_set_multi(struct net_device *netdev) /* load any remaining addresses into the hash table */ for (; mc_ptr; mc_ptr = mc_ptr->next) { - hash_value = e1000_hash_mc_addr(hw, mc_ptr->dmi_addr); + hash_value = e1000_hash_mc_addr(hw, mc_ptr->da_addr); e1000_mta_set(hw, hash_value); } @@ -5070,7 +5085,7 @@ e1000_suspend(struct pci_dev *pdev, pm_message_t state) if (wufc) { e1000_setup_rctl(adapter); - e1000_set_multi(netdev); + e1000_set_rx_mode(netdev); /* turn on all-multi mode if wake on multicast is enabled */ if (wufc & E1000_WUFC_MC) { |