diff options
Diffstat (limited to 'drivers/net/igb/igb_main.c')
| -rw-r--r-- | drivers/net/igb/igb_main.c | 148 |
1 files changed, 108 insertions, 40 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index fb327351758..943186b7848 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -94,13 +94,15 @@ static void igb_clean_all_tx_rings(struct igb_adapter *); static void igb_clean_all_rx_rings(struct igb_adapter *); static void igb_clean_tx_ring(struct igb_ring *); static void igb_clean_rx_ring(struct igb_ring *); -static void igb_set_multi(struct net_device *); +static void igb_set_rx_mode(struct net_device *); static void igb_update_phy_info(unsigned long); static void igb_watchdog(unsigned long); static void igb_watchdog_task(struct work_struct *); -static int igb_xmit_frame_ring_adv(struct sk_buff *, struct net_device *, - struct igb_ring *); -static int igb_xmit_frame_adv(struct sk_buff *skb, struct net_device *); +static netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *, + struct net_device *, + struct igb_ring *); +static netdev_tx_t igb_xmit_frame_adv(struct sk_buff *skb, + struct net_device *); static struct net_device_stats *igb_get_stats(struct net_device *); static int igb_change_mtu(struct net_device *, int); static int igb_set_mac(struct net_device *, void *); @@ -152,6 +154,12 @@ static inline int igb_set_vf_rlpml(struct igb_adapter *adapter, int size, struct e1000_hw *hw = &adapter->hw; u32 vmolr; + /* if it isn't the PF check to see if VFs are enabled and + * increase the size to support vlan tags */ + if (vfn < adapter->vfs_allocated_count && + adapter->vf_data[vfn].vlans_enabled) + size += VLAN_TAG_SIZE; + vmolr = rd32(E1000_VMOLR(vfn)); vmolr &= ~E1000_VMOLR_RLPML_MASK; vmolr |= size | E1000_VMOLR_LPE; @@ -819,9 +827,11 @@ static void igb_irq_disable(struct igb_adapter *adapter) struct e1000_hw *hw = &adapter->hw; if (adapter->msix_entries) { - wr32(E1000_EIAM, 0); - wr32(E1000_EIMC, ~0); - wr32(E1000_EIAC, 0); + u32 regval = rd32(E1000_EIAM); + wr32(E1000_EIAM, regval & ~adapter->eims_enable_mask); + wr32(E1000_EIMC, adapter->eims_enable_mask); + regval = rd32(E1000_EIAC); + wr32(E1000_EIAC, regval & ~adapter->eims_enable_mask); } wr32(E1000_IAM, 0); @@ -839,8 +849,10 @@ static void igb_irq_enable(struct igb_adapter *adapter) struct e1000_hw *hw = &adapter->hw; if (adapter->msix_entries) { - wr32(E1000_EIAC, adapter->eims_enable_mask); - wr32(E1000_EIAM, adapter->eims_enable_mask); + u32 regval = rd32(E1000_EIAC); + wr32(E1000_EIAC, regval | adapter->eims_enable_mask); + regval = rd32(E1000_EIAM); + wr32(E1000_EIAM, regval | adapter->eims_enable_mask); wr32(E1000_EIMS, adapter->eims_enable_mask); if (adapter->vfs_allocated_count) wr32(E1000_MBVFIMR, 0xFF); @@ -926,7 +938,7 @@ static void igb_configure(struct igb_adapter *adapter) int i; igb_get_hw_control(adapter); - igb_set_multi(netdev); + igb_set_rx_mode(netdev); igb_restore_vlan(adapter); @@ -1167,7 +1179,8 @@ static const struct net_device_ops igb_netdev_ops = { .ndo_stop = igb_close, .ndo_start_xmit = igb_xmit_frame_adv, .ndo_get_stats = igb_get_stats, - .ndo_set_multicast_list = igb_set_multi, + .ndo_set_rx_mode = igb_set_rx_mode, + .ndo_set_multicast_list = igb_set_rx_mode, .ndo_set_mac_address = igb_set_mac, .ndo_change_mtu = igb_change_mtu, .ndo_do_ioctl = igb_ioctl, @@ -1380,6 +1393,7 @@ static int __devinit igb_probe(struct pci_dev *pdev, netdev->vlan_features |= NETIF_F_TSO; netdev->vlan_features |= NETIF_F_TSO6; netdev->vlan_features |= NETIF_F_IP_CSUM; + netdev->vlan_features |= NETIF_F_IPV6_CSUM; netdev->vlan_features |= NETIF_F_SG; if (pci_using_dac) @@ -2516,48 +2530,70 @@ static int igb_set_mac(struct net_device *netdev, void *p) memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); memcpy(hw->mac.addr, addr->sa_data, netdev->addr_len); - hw->mac.ops.rar_set(hw, hw->mac.addr, 0); - + igb_rar_set(hw, hw->mac.addr, 0); igb_set_rah_pool(hw, adapter->vfs_allocated_count, 0); return 0; } /** - * igb_set_multi - Multicast and Promiscuous mode set + * igb_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 igb_set_multi(struct net_device *netdev) +static void igb_set_rx_mode(struct net_device *netdev) { struct igb_adapter *adapter = netdev_priv(netdev); struct e1000_hw *hw = &adapter->hw; - struct dev_mc_list *mc_ptr; + unsigned int rar_entries = hw->mac.rar_entry_count - + (adapter->vfs_allocated_count + 1); + struct dev_mc_list *mc_ptr = netdev->mc_list; u8 *mta_list = NULL; u32 rctl; int i; /* Check for Promiscuous and All Multicast modes */ - rctl = rd32(E1000_RCTL); if (netdev->flags & IFF_PROMISC) { rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE); rctl &= ~E1000_RCTL_VFE; } else { - if (netdev->flags & IFF_ALLMULTI) { + if (netdev->flags & IFF_ALLMULTI) rctl |= E1000_RCTL_MPE; + else + rctl &= ~E1000_RCTL_MPE; + + if (netdev->uc.count > rar_entries) + rctl |= E1000_RCTL_UPE; + else rctl &= ~E1000_RCTL_UPE; - } else - rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE); rctl |= E1000_RCTL_VFE; } wr32(E1000_RCTL, rctl); + if (netdev->uc.count && rar_entries) { + struct netdev_hw_addr *ha; + list_for_each_entry(ha, &netdev->uc.list, list) { + if (!rar_entries) + break; + igb_rar_set(hw, ha->addr, rar_entries); + igb_set_rah_pool(hw, adapter->vfs_allocated_count, + rar_entries); + rar_entries--; + } + } + /* write the addresses in reverse order to avoid write combining */ + for (; rar_entries > 0 ; rar_entries--) { + wr32(E1000_RAH(rar_entries), 0); + wr32(E1000_RAL(rar_entries), 0); + } + wrfl(); + if (!netdev->mc_count) { /* nothing to program, so clear mc list */ igb_update_mc_addr_list(hw, NULL, 0); @@ -2573,8 +2609,6 @@ static void igb_set_multi(struct net_device *netdev) } /* The shared function expects a packed array of only addresses. */ - mc_ptr = netdev->mc_list; - for (i = 0; i < netdev->mc_count; i++) { if (!mc_ptr) break; @@ -3294,9 +3328,9 @@ static int igb_maybe_stop_tx(struct net_device *netdev, return __igb_maybe_stop_tx(netdev, tx_ring, size); } -static int igb_xmit_frame_ring_adv(struct sk_buff *skb, - struct net_device *netdev, - struct igb_ring *tx_ring) +static netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *skb, + struct net_device *netdev, + struct igb_ring *tx_ring) { struct igb_adapter *adapter = netdev_priv(netdev); unsigned int first; @@ -3384,7 +3418,8 @@ static int igb_xmit_frame_ring_adv(struct sk_buff *skb, return NETDEV_TX_OK; } -static int igb_xmit_frame_adv(struct sk_buff *skb, struct net_device *netdev) +static netdev_tx_t igb_xmit_frame_adv(struct sk_buff *skb, + struct net_device *netdev) { struct igb_adapter *adapter = netdev_priv(netdev); struct igb_ring *tx_ring; @@ -3397,7 +3432,7 @@ static int igb_xmit_frame_adv(struct sk_buff *skb, struct net_device *netdev) * to a flow. Right now, performance is impacted slightly negatively * if using multiple tx queues. If the stack breaks away from a * single qdisc implementation, we can look at this again. */ - return (igb_xmit_frame_ring_adv(skb, netdev, tx_ring)); + return igb_xmit_frame_ring_adv(skb, netdev, tx_ring); } /** @@ -3934,7 +3969,7 @@ static int igb_set_vf_multicasts(struct igb_adapter *adapter, vf_data->vf_mc_hashes[i] = hash_list[i];; /* Flush and reset the mta with the new values */ - igb_set_multi(adapter->netdev); + igb_set_rx_mode(adapter->netdev); return 0; } @@ -3977,6 +4012,8 @@ static void igb_clear_vf_vfta(struct igb_adapter *adapter, u32 vf) wr32(E1000_VLVF(i), reg); } + + adapter->vf_data[vf].vlans_enabled = 0; } static s32 igb_vlvf_set(struct igb_adapter *adapter, u32 vid, bool add, u32 vf) @@ -4025,6 +4062,22 @@ static s32 igb_vlvf_set(struct igb_adapter *adapter, u32 vid, bool add, u32 vf) reg |= vid; wr32(E1000_VLVF(i), reg); + + /* do not modify RLPML for PF devices */ + if (vf >= adapter->vfs_allocated_count) + return 0; + + if (!adapter->vf_data[vf].vlans_enabled) { + u32 size; + reg = rd32(E1000_VMOLR(vf)); + size = reg & E1000_VMOLR_RLPML_MASK; + size += 4; + reg &= ~E1000_VMOLR_RLPML_MASK; + reg |= size; + wr32(E1000_VMOLR(vf), reg); + } + adapter->vf_data[vf].vlans_enabled++; + return 0; } } else { @@ -4037,6 +4090,21 @@ static s32 igb_vlvf_set(struct igb_adapter *adapter, u32 vid, bool add, u32 vf) igb_vfta_set(hw, vid, false); } wr32(E1000_VLVF(i), reg); + + /* do not modify RLPML for PF devices */ + if (vf >= adapter->vfs_allocated_count) + return 0; + + adapter->vf_data[vf].vlans_enabled--; + if (!adapter->vf_data[vf].vlans_enabled) { + u32 size; + reg = rd32(E1000_VMOLR(vf)); + size = reg & E1000_VMOLR_RLPML_MASK; + size -= 4; + reg &= ~E1000_VMOLR_RLPML_MASK; + reg |= size; + wr32(E1000_VMOLR(vf), reg); + } return 0; } } @@ -4068,13 +4136,14 @@ static inline void igb_vf_reset_event(struct igb_adapter *adapter, u32 vf) adapter->vf_data[vf].num_vf_mc_hashes = 0; /* Flush and reset the mta with the new values */ - igb_set_multi(adapter->netdev); + igb_set_rx_mode(adapter->netdev); } static inline void igb_vf_reset_msg(struct igb_adapter *adapter, u32 vf) { struct e1000_hw *hw = &adapter->hw; unsigned char *vf_mac = adapter->vf_data[vf].vf_mac_addresses; + int rar_entry = hw->mac.rar_entry_count - (vf + 1); u32 reg, msgbuf[3]; u8 *addr = (u8 *)(&msgbuf[1]); @@ -4082,8 +4151,8 @@ static inline void igb_vf_reset_msg(struct igb_adapter *adapter, u32 vf) igb_vf_reset_event(adapter, vf); /* set vf mac address */ - igb_rar_set(hw, vf_mac, vf + 1); - igb_set_rah_pool(hw, vf, vf + 1); + igb_rar_set(hw, vf_mac, rar_entry); + igb_set_rah_pool(hw, vf, rar_entry); /* enable transmit and receive for vf */ reg = rd32(E1000_VFTE); @@ -4845,8 +4914,6 @@ static int igb_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) data->phy_id = adapter->hw.phy.addr; break; case SIOCGMIIREG: - if (!capable(CAP_NET_ADMIN)) - return -EPERM; if (igb_read_phy_reg(&adapter->hw, data->reg_num & 0x1F, &data->val_out)) return -EIO; @@ -5224,7 +5291,7 @@ static int __igb_shutdown(struct pci_dev *pdev, bool *enable_wake) if (wufc) { igb_setup_rctl(adapter); - igb_set_multi(netdev); + igb_set_rx_mode(netdev); /* turn on all-multi mode if wake on multicast is enabled */ if (wufc & E1000_WUFC_MC) { @@ -5478,12 +5545,13 @@ static int igb_set_vf_mac(struct igb_adapter *adapter, int vf, unsigned char *mac_addr) { struct e1000_hw *hw = &adapter->hw; - int rar_entry = vf + 1; /* VF MAC addresses start at entry 1 */ - - igb_rar_set(hw, mac_addr, rar_entry); + /* VF MAC addresses start at end of receive addresses and moves + * torwards the first, as a result a collision should not be possible */ + int rar_entry = hw->mac.rar_entry_count - (vf + 1); memcpy(adapter->vf_data[vf].vf_mac_addresses, mac_addr, ETH_ALEN); + igb_rar_set(hw, mac_addr, rar_entry); igb_set_rah_pool(hw, vf, rar_entry); return 0; |