diff options
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_sriov.c')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_sriov.c | 96 |
1 files changed, 94 insertions, 2 deletions
diff --git a/drivers/net/ixgbe/ixgbe_sriov.c b/drivers/net/ixgbe/ixgbe_sriov.c index 4765027..9f97246 100644 --- a/drivers/net/ixgbe/ixgbe_sriov.c +++ b/drivers/net/ixgbe/ixgbe_sriov.c @@ -82,6 +82,21 @@ static int ixgbe_set_vf_multicasts(struct ixgbe_adapter *adapter, return 0; } +static void ixgbe_restore_vf_macvlans(struct ixgbe_adapter *adapter) +{ + struct ixgbe_hw *hw = &adapter->hw; + struct list_head *pos; + struct vf_macvlans *entry; + + list_for_each(pos, &adapter->vf_mvs.l) { + entry = list_entry(pos, struct vf_macvlans, l); + if (entry->free == false) + hw->mac.ops.set_rar(hw, entry->rar_entry, + entry->vf_macvlan, + entry->vf, IXGBE_RAH_AV); + } +} + void ixgbe_restore_vf_multicasts(struct ixgbe_adapter *adapter) { struct ixgbe_hw *hw = &adapter->hw; @@ -102,6 +117,9 @@ void ixgbe_restore_vf_multicasts(struct ixgbe_adapter *adapter) IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg); } } + + /* Restore any VF macvlans */ + ixgbe_restore_vf_macvlans(adapter); } static int ixgbe_set_vf_vlan(struct ixgbe_adapter *adapter, int add, int vid, @@ -200,6 +218,61 @@ static int ixgbe_set_vf_mac(struct ixgbe_adapter *adapter, return 0; } +static int ixgbe_set_vf_macvlan(struct ixgbe_adapter *adapter, + int vf, int index, unsigned char *mac_addr) +{ + struct ixgbe_hw *hw = &adapter->hw; + struct list_head *pos; + struct vf_macvlans *entry; + + if (index <= 1) { + list_for_each(pos, &adapter->vf_mvs.l) { + entry = list_entry(pos, struct vf_macvlans, l); + if (entry->vf == vf) { + entry->vf = -1; + entry->free = true; + entry->is_macvlan = false; + hw->mac.ops.clear_rar(hw, entry->rar_entry); + } + } + } + + /* + * If index was zero then we were asked to clear the uc list + * for the VF. We're done. + */ + if (!index) + return 0; + + entry = NULL; + + list_for_each(pos, &adapter->vf_mvs.l) { + entry = list_entry(pos, struct vf_macvlans, l); + if (entry->free) + break; + } + + /* + * If we traversed the entire list and didn't find a free entry + * then we're out of space on the RAR table. Also entry may + * be NULL because the original memory allocation for the list + * failed, which is not fatal but does mean we can't support + * VF requests for MACVLAN because we couldn't allocate + * memory for the list management required. + */ + if (!entry || !entry->free) + return -ENOSPC; + + entry->free = false; + entry->is_macvlan = true; + entry->vf = vf; + memcpy(entry->vf_macvlan, mac_addr, ETH_ALEN); + + hw->mac.ops.set_rar(hw, entry->rar_entry, mac_addr, vf, IXGBE_RAH_AV); + + return 0; +} + int ixgbe_vf_configuration(struct pci_dev *pdev, unsigned int event_mask) { unsigned char vf_mac_addr[6]; @@ -256,7 +329,7 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf) s32 retval; int entries; u16 *hash_list; - int add, vid; + int add, vid, index; u8 *new_mac; retval = ixgbe_read_mbx(hw, msgbuf, mbx_size, vf); @@ -345,6 +418,24 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf) retval = ixgbe_set_vf_vlan(adapter, add, vid, vf); } break; + case IXGBE_VF_SET_MACVLAN: + index = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >> + IXGBE_VT_MSGINFO_SHIFT; + /* + * If the VF is allowed to set MAC filters then turn off + * anti-spoofing to avoid false positives. An index + * greater than 0 will indicate the VF is setting a + * macvlan MAC filter. + */ + if (index > 0 && adapter->antispoofing_enabled) { + hw->mac.ops.set_mac_anti_spoofing(hw, false, + adapter->num_vfs); + hw->mac.ops.set_vlan_anti_spoofing(hw, false, vf); + adapter->antispoofing_enabled = false; + } + retval = ixgbe_set_vf_macvlan(adapter, vf, index, + (unsigned char *)(&msgbuf[1])); + break; default: e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]); retval = IXGBE_ERR_MBX; @@ -452,7 +543,8 @@ int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos) goto out; ixgbe_set_vmvir(adapter, vlan | (qos << VLAN_PRIO_SHIFT), vf); ixgbe_set_vmolr(hw, vf, false); - hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf); + if (adapter->antispoofing_enabled) + hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf); adapter->vfinfo[vf].pf_vlan = vlan; adapter->vfinfo[vf].pf_qos = qos; dev_info(&adapter->pdev->dev, |