]> git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blobdiff - drivers/net/ethernet/intel/i40e/i40e_main.c
Merge branch '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next...
[mirror_ubuntu-artful-kernel.git] / drivers / net / ethernet / intel / i40e / i40e_main.c
index 7e00cbd5ba133320e6fa769491ee00d5b5cfbe70..339d99be4702599e0906ec1d4468d248216a575d 100644 (file)
@@ -41,7 +41,7 @@ static const char i40e_driver_string[] =
 
 #define DRV_VERSION_MAJOR 1
 #define DRV_VERSION_MINOR 6
-#define DRV_VERSION_BUILD 4
+#define DRV_VERSION_BUILD 11
 #define DRV_VERSION __stringify(DRV_VERSION_MAJOR) "." \
             __stringify(DRV_VERSION_MINOR) "." \
             __stringify(DRV_VERSION_BUILD)    DRV_KERN
@@ -86,7 +86,6 @@ static const struct pci_device_id i40e_pci_tbl[] = {
        {PCI_VDEVICE(INTEL, I40E_DEV_ID_1G_BASE_T_X722), 0},
        {PCI_VDEVICE(INTEL, I40E_DEV_ID_10G_BASE_T_X722), 0},
        {PCI_VDEVICE(INTEL, I40E_DEV_ID_SFP_I_X722), 0},
-       {PCI_VDEVICE(INTEL, I40E_DEV_ID_QSFP_I_X722), 0},
        {PCI_VDEVICE(INTEL, I40E_DEV_ID_20G_KR2), 0},
        {PCI_VDEVICE(INTEL, I40E_DEV_ID_20G_KR2_A), 0},
        /* required last entry */
@@ -1275,8 +1274,9 @@ int i40e_del_mac_all_vlan(struct i40e_vsi *vsi, u8 *macaddr,
                    (is_vf == f->is_vf) &&
                    (is_netdev == f->is_netdev)) {
                        f->counter--;
-                       f->changed = true;
                        changed = 1;
+                       if (f->counter == 0)
+                               f->state = I40E_FILTER_REMOVE;
                }
        }
        if (changed) {
@@ -1292,29 +1292,32 @@ int i40e_del_mac_all_vlan(struct i40e_vsi *vsi, u8 *macaddr,
  * @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.
+ * Remove whatever filter the firmware set up so the driver can manage
+ * its own filtering intelligently.
  **/
-static int i40e_rm_default_mac_filter(struct i40e_vsi *vsi, u8 *macaddr)
+static void 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;
-       i40e_status ret;
 
        /* Only appropriate for the PF main VSI */
        if (vsi->type != I40E_VSI_MAIN)
-               return -EINVAL;
+               return;
 
        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;
-       ret = i40e_aq_remove_macvlan(&pf->hw, vsi->seid, &element, 1, NULL);
-       if (ret)
-               return -ENOENT;
+       /* Ignore error returns, some firmware does it this way... */
+       element.flags = I40E_AQC_MACVLAN_DEL_PERFECT_MATCH;
+       i40e_aq_remove_macvlan(&pf->hw, vsi->seid, &element, 1, NULL);
 
-       return 0;
+       memset(&element, 0, sizeof(element));
+       ether_addr_copy(element.mac_addr, macaddr);
+       element.vlan_tag = 0;
+       /* ...and some firmware does it this way. */
+       element.flags = I40E_AQC_MACVLAN_DEL_PERFECT_MATCH |
+                       I40E_AQC_MACVLAN_ADD_IGNORE_VLAN;
+       i40e_aq_remove_macvlan(&pf->hw, vsi->seid, &element, 1, NULL);
 }
 
 /**
@@ -1335,6 +1338,7 @@ struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
                                        bool is_vf, bool is_netdev)
 {
        struct i40e_mac_filter *f;
+       int changed = false;
 
        if (!vsi || !macaddr)
                return NULL;
@@ -1354,8 +1358,15 @@ struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
 
                ether_addr_copy(f->macaddr, macaddr);
                f->vlan = vlan;
-               f->changed = true;
-
+               /* If we're in overflow promisc mode, set the state directly
+                * to failed, so we don't bother to try sending the filter
+                * to the hardware.
+                */
+               if (test_bit(__I40E_FILTER_OVERFLOW_PROMISC, &vsi->state))
+                       f->state = I40E_FILTER_FAILED;
+               else
+                       f->state = I40E_FILTER_NEW;
+               changed = true;
                INIT_LIST_HEAD(&f->list);
                list_add_tail(&f->list, &vsi->mac_filter_list);
        }
@@ -1375,10 +1386,7 @@ struct i40e_mac_filter *i40e_add_filter(struct i40e_vsi *vsi,
                f->counter++;
        }
 
-       /* changed tells sync_filters_subtask to
-        * push the filter down to the firmware
-        */
-       if (f->changed) {
+       if (changed) {
                vsi->flags |= I40E_VSI_FLAG_FILTER_CHANGED;
                vsi->back->flags |= I40E_FLAG_FILTER_SYNC;
        }
@@ -1397,6 +1405,9 @@ add_filter_out:
  *
  * NOTE: This function is expected to be called with mac_filter_list_lock
  * being held.
+ * ANOTHER NOTE: This function MUST be called from within the context of
+ * the "safe" variants of any list iterators, e.g. list_for_each_entry_safe()
+ * instead of list_for_each_entry().
  **/
 void i40e_del_filter(struct i40e_vsi *vsi,
                     u8 *macaddr, s16 vlan,
@@ -1436,9 +1447,18 @@ void i40e_del_filter(struct i40e_vsi *vsi,
         * remove the filter from the firmware's list
         */
        if (f->counter == 0) {
-               f->changed = true;
-               vsi->flags |= I40E_VSI_FLAG_FILTER_CHANGED;
-               vsi->back->flags |= I40E_FLAG_FILTER_SYNC;
+               if ((f->state == I40E_FILTER_FAILED) ||
+                   (f->state == I40E_FILTER_NEW)) {
+                       /* this one never got added by the FW. Just remove it,
+                        * no need to sync anything.
+                        */
+                       list_del(&f->list);
+                       kfree(f);
+               } else {
+                       f->state = I40E_FILTER_REMOVE;
+                       vsi->flags |= I40E_VSI_FLAG_FILTER_CHANGED;
+                       vsi->back->flags |= I40E_FLAG_FILTER_SYNC;
+               }
        }
 }
 
@@ -1460,7 +1480,6 @@ static int i40e_set_mac(struct net_device *netdev, void *p)
        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;
@@ -1481,52 +1500,23 @@ static int i40e_set_mac(struct net_device *netdev, void *p)
        else
                netdev_info(netdev, "set new mac address %pM\n", addr->sa_data);
 
+       spin_lock_bh(&vsi->mac_filter_list_lock);
+       i40e_del_mac_all_vlan(vsi, netdev->dev_addr, false, true);
+       i40e_put_mac_in_vlan(vsi, addr->sa_data, false, true);
+       spin_unlock_bh(&vsi->mac_filter_list_lock);
+       ether_addr_copy(netdev->dev_addr, addr->sa_data);
        if (vsi->type == I40E_VSI_MAIN) {
                i40e_status ret;
 
                ret = i40e_aq_mac_address_write(&vsi->back->hw,
                                                I40E_AQC_WRITE_TYPE_LAA_WOL,
                                                addr->sa_data, NULL);
-               if (ret) {
-                       netdev_info(netdev,
-                                   "Addr change for Main VSI failed: %d\n",
-                                   ret);
-                       return -EADDRNOTAVAIL;
-               }
-       }
-
-       if (ether_addr_equal(netdev->dev_addr, hw->mac.addr)) {
-               struct i40e_aqc_remove_macvlan_element_data element;
-
-               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 {
-               spin_lock_bh(&vsi->mac_filter_list_lock);
-               i40e_del_filter(vsi, netdev->dev_addr, I40E_VLAN_ANY,
-                               false, false);
-               spin_unlock_bh(&vsi->mac_filter_list_lock);
-       }
-
-       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 {
-               spin_lock_bh(&vsi->mac_filter_list_lock);
-               f = i40e_add_filter(vsi, addr->sa_data, I40E_VLAN_ANY,
-                                   false, false);
-               if (f)
-                       f->is_laa = true;
-               spin_unlock_bh(&vsi->mac_filter_list_lock);
+               if (ret)
+                       netdev_info(netdev, "Ignoring error from firmware on LAA update, status %s, AQ ret %s\n",
+                                   i40e_stat_str(hw, ret),
+                                   i40e_aq_str(hw, hw->aq.asq_last_status));
        }
 
-       ether_addr_copy(netdev->dev_addr, addr->sa_data);
-
        /* schedule our worker thread which will take care of
         * applying the new filter changes
         */
@@ -1756,28 +1746,6 @@ bottom_of_search_loop:
        i40e_service_event_schedule(vsi->back);
 }
 
-/**
- * i40e_mac_filter_entry_clone - Clones a MAC filter entry
- * @src: source MAC filter entry to be clones
- *
- * Returns the pointer to newly cloned MAC filter entry or NULL
- * in case of error
- **/
-static struct i40e_mac_filter *i40e_mac_filter_entry_clone(
-                                       struct i40e_mac_filter *src)
-{
-       struct i40e_mac_filter *f;
-
-       f = kzalloc(sizeof(*f), GFP_ATOMIC);
-       if (!f)
-               return NULL;
-       *f = *src;
-
-       INIT_LIST_HEAD(&f->list);
-
-       return f;
-}
-
 /**
  * i40e_undo_del_filter_entries - Undo the changes made to MAC filter entries
  * @vsi: pointer to vsi struct
@@ -1792,41 +1760,61 @@ static void i40e_undo_del_filter_entries(struct i40e_vsi *vsi,
        struct i40e_mac_filter *f, *ftmp;
 
        list_for_each_entry_safe(f, ftmp, from, list) {
-               f->changed = true;
                /* Move the element back into MAC filter list*/
                list_move_tail(&f->list, &vsi->mac_filter_list);
        }
 }
 
 /**
- * i40e_undo_add_filter_entries - Undo the changes made to MAC filter entries
- * @vsi: pointer to vsi struct
+ * i40e_update_filter_state - Update filter state based on return data
+ * from firmware
+ * @count: Number of filters added
+ * @add_list: return data from fw
+ * @head: pointer to first filter in current batch
+ * @aq_err: status from fw
  *
- * MAC filter entries from list were slated to be added from device.
+ * MAC filter entries from list were slated to be added to device. Returns
+ * number of successful filters. Note that 0 does NOT mean success!
  **/
-static void i40e_undo_add_filter_entries(struct i40e_vsi *vsi)
+static int
+i40e_update_filter_state(int count,
+                        struct i40e_aqc_add_macvlan_element_data *add_list,
+                        struct i40e_mac_filter *add_head, int aq_err)
 {
-       struct i40e_mac_filter *f, *ftmp;
-
-       list_for_each_entry_safe(f, ftmp, &vsi->mac_filter_list, list) {
-               if (!f->changed && f->counter)
-                       f->changed = true;
-       }
-}
+       int retval = 0;
+       int i;
 
-/**
- * i40e_cleanup_add_list - Deletes the element from add list and release
- *                     memory
- * @add_list: Pointer to list which contains MAC filter entries
- **/
-static void i40e_cleanup_add_list(struct list_head *add_list)
-{
-       struct i40e_mac_filter *f, *ftmp;
 
-       list_for_each_entry_safe(f, ftmp, add_list, list) {
-               list_del(&f->list);
-               kfree(f);
+       if (!aq_err) {
+               retval = count;
+               /* Everything's good, mark all filters active. */
+               for (i = 0; i < count ; i++) {
+                       add_head->state = I40E_FILTER_ACTIVE;
+                       add_head = list_next_entry(add_head, list);
+               }
+       } else if (aq_err == I40E_AQ_RC_ENOSPC) {
+               /* Device ran out of filter space. Check the return value
+                * for each filter to see which ones are active.
+                */
+               for (i = 0; i < count ; i++) {
+                       if (add_list[i].match_method ==
+                           I40E_AQC_MM_ERR_NO_RES) {
+                               add_head->state = I40E_FILTER_FAILED;
+                       } else {
+                               add_head->state = I40E_FILTER_ACTIVE;
+                               retval++;
+                       }
+                       add_head = list_next_entry(add_head, list);
+               }
+       } else {
+               /* Some other horrible thing happened, fail all filters */
+               retval = 0;
+               for (i = 0; i < count ; i++) {
+                       add_head->state = I40E_FILTER_FAILED;
+                       add_head = list_next_entry(add_head, list);
+               }
        }
+       return retval;
 }
 
 /**
@@ -1839,22 +1827,22 @@ static void i40e_cleanup_add_list(struct list_head *add_list)
  **/
 int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
 {
-       struct list_head tmp_del_list, tmp_add_list;
-       struct i40e_mac_filter *f, *ftmp, *fclone;
+       struct i40e_mac_filter *f, *ftmp, *add_head = NULL;
+       struct list_head tmp_add_list, tmp_del_list;
        struct i40e_hw *hw = &vsi->back->hw;
-       bool promisc_forced_on = false;
-       bool add_happened = false;
+       bool promisc_changed = false;
        char vsi_name[16] = "PF";
        int filter_list_len = 0;
        u32 changed_flags = 0;
        i40e_status aq_ret = 0;
-       bool err_cond = false;
        int retval = 0;
        struct i40e_pf *pf;
        int num_add = 0;
        int num_del = 0;
        int aq_err = 0;
        u16 cmd_flags;
+       int list_size;
+       int fcnt;
 
        /* empty array typed pointers, kcalloc later */
        struct i40e_aqc_add_macvlan_element_data *add_list;
@@ -1869,8 +1857,8 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
                vsi->current_netdev_flags = vsi->netdev->flags;
        }
 
-       INIT_LIST_HEAD(&tmp_del_list);
        INIT_LIST_HEAD(&tmp_add_list);
+       INIT_LIST_HEAD(&tmp_del_list);
 
        if (vsi->type == I40E_VSI_SRIOV)
                snprintf(vsi_name, sizeof(vsi_name) - 1, "VF %d", vsi->vf_id);
@@ -1881,65 +1869,34 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
                vsi->flags &= ~I40E_VSI_FLAG_FILTER_CHANGED;
 
                spin_lock_bh(&vsi->mac_filter_list_lock);
+               /* Create a list of filters to delete. */
                list_for_each_entry_safe(f, ftmp, &vsi->mac_filter_list, list) {
-                       if (!f->changed)
-                               continue;
-
-                       if (f->counter != 0)
-                               continue;
-                       f->changed = false;
-
-                       /* Move the element into temporary del_list */
-                       list_move_tail(&f->list, &tmp_del_list);
-               }
-
-               list_for_each_entry_safe(f, ftmp, &vsi->mac_filter_list, list) {
-                       if (!f->changed)
-                               continue;
-
-                       if (f->counter == 0)
-                               continue;
-                       f->changed = false;
-
-                       /* Clone MAC filter entry and add into temporary list */
-                       fclone = i40e_mac_filter_entry_clone(f);
-                       if (!fclone) {
-                               err_cond = true;
-                               break;
+                       if (f->state == I40E_FILTER_REMOVE) {
+                               WARN_ON(f->counter != 0);
+                               /* Move the element into temporary del_list */
+                               list_move_tail(&f->list, &tmp_del_list);
+                               vsi->active_filters--;
+                       }
+                       if (f->state == I40E_FILTER_NEW) {
+                               WARN_ON(f->counter == 0);
+                               /* Move the element into temporary add_list */
+                               list_move_tail(&f->list, &tmp_add_list);
                        }
-                       list_add_tail(&fclone->list, &tmp_add_list);
-               }
-
-               /* if failed to clone MAC filter entry - undo */
-               if (err_cond) {
-                       i40e_undo_del_filter_entries(vsi, &tmp_del_list);
-                       i40e_undo_add_filter_entries(vsi);
                }
                spin_unlock_bh(&vsi->mac_filter_list_lock);
-
-               if (err_cond) {
-                       i40e_cleanup_add_list(&tmp_add_list);
-                       retval = -ENOMEM;
-                       goto out;
-               }
        }
 
        /* Now process 'del_list' outside the lock */
        if (!list_empty(&tmp_del_list)) {
-               int del_list_size;
-
                filter_list_len = hw->aq.asq_buf_size /
                            sizeof(struct i40e_aqc_remove_macvlan_element_data);
-               del_list_size = filter_list_len *
+               list_size = filter_list_len *
                            sizeof(struct i40e_aqc_remove_macvlan_element_data);
-               del_list = kzalloc(del_list_size, GFP_ATOMIC);
+               del_list = kzalloc(list_size, GFP_ATOMIC);
                if (!del_list) {
-                       i40e_cleanup_add_list(&tmp_add_list);
-
                        /* Undo VSI's MAC filter entry element updates */
                        spin_lock_bh(&vsi->mac_filter_list_lock);
                        i40e_undo_del_filter_entries(vsi, &tmp_del_list);
-                       i40e_undo_add_filter_entries(vsi);
                        spin_unlock_bh(&vsi->mac_filter_list_lock);
                        retval = -ENOMEM;
                        goto out;
@@ -1950,9 +1907,13 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
 
                        /* add to delete list */
                        ether_addr_copy(del_list[num_del].mac_addr, f->macaddr);
-                       del_list[num_del].vlan_tag =
-                               cpu_to_le16((u16)(f->vlan ==
-                                           I40E_VLAN_ANY ? 0 : f->vlan));
+                       if (f->vlan == I40E_VLAN_ANY) {
+                               del_list[num_del].vlan_tag = 0;
+                               cmd_flags |= I40E_AQC_MACVLAN_ADD_IGNORE_VLAN;
+                       } else {
+                               del_list[num_del].vlan_tag =
+                                       cpu_to_le16((u16)(f->vlan));
+                       }
 
                        cmd_flags |= I40E_AQC_MACVLAN_DEL_PERFECT_MATCH;
                        del_list[num_del].flags = cmd_flags;
@@ -1960,18 +1921,20 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
 
                        /* flush a full buffer */
                        if (num_del == filter_list_len) {
-                               aq_ret =
-                                       i40e_aq_remove_macvlan(hw, vsi->seid,
-                                                              del_list,
-                                                              num_del, NULL);
+                               aq_ret = i40e_aq_remove_macvlan(hw, vsi->seid,
+                                                               del_list,
+                                                               num_del, NULL);
                                aq_err = hw->aq.asq_last_status;
                                num_del = 0;
-                               memset(del_list, 0, del_list_size);
+                               memset(del_list, 0, list_size);
 
-                               if (aq_ret && aq_err != I40E_AQ_RC_ENOENT) {
+                               /* Explicitly ignore and do not report when
+                                * firmware returns ENOENT.
+                                */
+                               if (aq_ret && !(aq_err == I40E_AQ_RC_ENOENT)) {
                                        retval = -EIO;
-                                       dev_err(&pf->pdev->dev,
-                                                "ignoring delete macvlan error on %s, err %s, aq_err %s while flushing a full buffer\n",
+                                       dev_info(&pf->pdev->dev,
+                                                "ignoring delete macvlan error on %s, err %s, aq_err %s\n",
                                                 vsi_name,
                                                 i40e_stat_str(hw, aq_ret),
                                                 i40e_aq_str(hw, aq_err));
@@ -1990,12 +1953,17 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
                        aq_err = hw->aq.asq_last_status;
                        num_del = 0;
 
-                       if (aq_ret && aq_err != I40E_AQ_RC_ENOENT)
+                       /* Explicitly ignore and do not report when firmware
+                        * returns ENOENT.
+                        */
+                       if (aq_ret && !(aq_err == I40E_AQ_RC_ENOENT)) {
+                               retval = -EIO;
                                dev_info(&pf->pdev->dev,
                                         "ignoring delete macvlan error on %s, err %s aq_err %s\n",
                                         vsi_name,
                                         i40e_stat_str(hw, aq_ret),
                                         i40e_aq_str(hw, aq_err));
+                       }
                }
 
                kfree(del_list);
@@ -2003,38 +1971,36 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
        }
 
        if (!list_empty(&tmp_add_list)) {
-               int add_list_size;
-
-               /* do all the adds now */
+               /* Do all the adds now. */
                filter_list_len = hw->aq.asq_buf_size /
-                              sizeof(struct i40e_aqc_add_macvlan_element_data),
-               add_list_size = filter_list_len *
                               sizeof(struct i40e_aqc_add_macvlan_element_data);
-               add_list = kzalloc(add_list_size, GFP_ATOMIC);
+               list_size = filter_list_len *
+                              sizeof(struct i40e_aqc_add_macvlan_element_data);
+               add_list = kzalloc(list_size, GFP_ATOMIC);
                if (!add_list) {
-                       /* Purge element from temporary lists */
-                       i40e_cleanup_add_list(&tmp_add_list);
-
-                       /* Undo add filter entries from VSI MAC filter list */
-                       spin_lock_bh(&vsi->mac_filter_list_lock);
-                       i40e_undo_add_filter_entries(vsi);
-                       spin_unlock_bh(&vsi->mac_filter_list_lock);
                        retval = -ENOMEM;
                        goto out;
                }
-
-               list_for_each_entry_safe(f, ftmp, &tmp_add_list, list) {
-
-                       add_happened = true;
-                       cmd_flags = 0;
-
+               num_add = 0;
+               list_for_each_entry(f, &tmp_add_list, list) {
+                       if (test_bit(__I40E_FILTER_OVERFLOW_PROMISC,
+                                    &vsi->state)) {
+                               f->state = I40E_FILTER_FAILED;
+                               continue;
+                       }
                        /* add to add array */
+                       if (num_add == 0)
+                               add_head = f;
+                       cmd_flags = 0;
                        ether_addr_copy(add_list[num_add].mac_addr, f->macaddr);
-                       add_list[num_add].vlan_tag =
-                               cpu_to_le16(
-                                (u16)(f->vlan == I40E_VLAN_ANY ? 0 : f->vlan));
+                       if (f->vlan == I40E_VLAN_ANY) {
+                               add_list[num_add].vlan_tag = 0;
+                               cmd_flags |= I40E_AQC_MACVLAN_ADD_IGNORE_VLAN;
+                       } else {
+                               add_list[num_add].vlan_tag =
+                                       cpu_to_le16((u16)(f->vlan));
+                       }
                        add_list[num_add].queue_number = 0;
-
                        cmd_flags |= I40E_AQC_MACVLAN_ADD_PERFECT_MATCH;
                        add_list[num_add].flags = cpu_to_le16(cmd_flags);
                        num_add++;
@@ -2045,44 +2011,77 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
                                                             add_list, num_add,
                                                             NULL);
                                aq_err = hw->aq.asq_last_status;
+                               fcnt = i40e_update_filter_state(num_add,
+                                                               add_list,
+                                                               add_head,
+                                                               aq_ret);
+                               vsi->active_filters += fcnt;
+
+                               if (fcnt != num_add) {
+                                       promisc_changed = true;
+                                       set_bit(__I40E_FILTER_OVERFLOW_PROMISC,
+                                               &vsi->state);
+                                       vsi->promisc_threshold =
+                                               (vsi->active_filters * 3) / 4;
+                                       dev_warn(&pf->pdev->dev,
+                                                "Error %s adding RX filters on %s, promiscuous mode forced on\n",
+                                                i40e_aq_str(hw, aq_err),
+                                                vsi_name);
+                               }
+                               memset(add_list, 0, list_size);
                                num_add = 0;
-
-                               if (aq_ret)
-                                       break;
-                               memset(add_list, 0, add_list_size);
                        }
-                       /* Entries from tmp_add_list were cloned from MAC
-                        * filter list, hence clean those cloned entries
-                        */
-                       list_del(&f->list);
-                       kfree(f);
                }
-
                if (num_add) {
                        aq_ret = i40e_aq_add_macvlan(hw, vsi->seid,
                                                     add_list, num_add, NULL);
                        aq_err = hw->aq.asq_last_status;
-                       num_add = 0;
+                       fcnt = i40e_update_filter_state(num_add, add_list,
+                                                       add_head, aq_ret);
+                       vsi->active_filters += fcnt;
+                       if (fcnt != num_add) {
+                               promisc_changed = true;
+                               set_bit(__I40E_FILTER_OVERFLOW_PROMISC,
+                                       &vsi->state);
+                               vsi->promisc_threshold =
+                                               (vsi->active_filters * 3) / 4;
+                               dev_warn(&pf->pdev->dev,
+                                        "Error %s adding RX filters on %s, promiscuous mode forced on\n",
+                                        i40e_aq_str(hw, aq_err), vsi_name);
+                       }
                }
+               /* Now move all of the filters from the temp add list back to
+                * the VSI's list.
+                */
+               spin_lock_bh(&vsi->mac_filter_list_lock);
+               list_for_each_entry_safe(f, ftmp, &tmp_add_list, list) {
+                       list_move_tail(&f->list, &vsi->mac_filter_list);
+               }
+               spin_unlock_bh(&vsi->mac_filter_list_lock);
                kfree(add_list);
                add_list = NULL;
+       }
 
-               if (add_happened && aq_ret && aq_err != I40E_AQ_RC_EINVAL) {
-                       retval = i40e_aq_rc_to_posix(aq_ret, aq_err);
+       /* Check to see if we can drop out of overflow promiscuous mode. */
+       if (test_bit(__I40E_FILTER_OVERFLOW_PROMISC, &vsi->state) &&
+           (vsi->active_filters < vsi->promisc_threshold)) {
+               int failed_count = 0;
+               /* See if we have any failed filters. We can't drop out of
+                * promiscuous until these have all been deleted.
+                */
+               spin_lock_bh(&vsi->mac_filter_list_lock);
+               list_for_each_entry(f, &vsi->mac_filter_list, list) {
+                       if (f->state == I40E_FILTER_FAILED)
+                               failed_count++;
+               }
+               spin_unlock_bh(&vsi->mac_filter_list_lock);
+               if (!failed_count) {
                        dev_info(&pf->pdev->dev,
-                                "add filter failed on %s, err %s aq_err %s\n",
-                                vsi_name,
-                                i40e_stat_str(hw, aq_ret),
-                                i40e_aq_str(hw, aq_err));
-                       if ((hw->aq.asq_last_status == I40E_AQ_RC_ENOSPC) &&
-                           !test_bit(__I40E_FILTER_OVERFLOW_PROMISC,
-                                     &vsi->state)) {
-                               promisc_forced_on = true;
-                               set_bit(__I40E_FILTER_OVERFLOW_PROMISC,
-                                       &vsi->state);
-                               dev_info(&pf->pdev->dev, "promiscuous mode forced on %s\n",
-                                        vsi_name);
-                       }
+                                "filter logjam cleared on %s, leaving overflow promiscuous mode\n",
+                                vsi_name);
+                       clear_bit(__I40E_FILTER_OVERFLOW_PROMISC, &vsi->state);
+                       promisc_changed = true;
+                       vsi->promisc_threshold = 0;
                }
        }
 
@@ -2111,7 +2110,9 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
                                 i40e_aq_str(hw, hw->aq.asq_last_status));
                }
        }
-       if ((changed_flags & IFF_PROMISC) || promisc_forced_on) {
+       if ((changed_flags & IFF_PROMISC) ||
+           (promisc_changed &&
+            test_bit(__I40E_FILTER_OVERFLOW_PROMISC, &vsi->state))) {
                bool cur_promisc;
 
                cur_promisc = (!!(vsi->current_netdev_flags & IFF_PROMISC) ||
@@ -2360,7 +2361,7 @@ static void i40e_vlan_rx_register(struct net_device *netdev, u32 features)
  **/
 int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid)
 {
-       struct i40e_mac_filter *f, *add_f;
+       struct i40e_mac_filter *f, *ftmp, *add_f;
        bool is_netdev, is_vf;
 
        is_vf = (vsi->type == I40E_VSI_SRIOV);
@@ -2381,7 +2382,7 @@ int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid)
                }
        }
 
-       list_for_each_entry(f, &vsi->mac_filter_list, list) {
+       list_for_each_entry_safe(f, ftmp, &vsi->mac_filter_list, list) {
                add_f = i40e_add_filter(vsi, f->macaddr, vid, is_vf, is_netdev);
                if (!add_f) {
                        dev_info(&vsi->back->pdev->dev,
@@ -2395,7 +2396,7 @@ int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid)
        /* Now if we add a vlan tag, make sure to check if it is the first
         * tag (i.e. a "tag" -1 does exist) and if so replace the -1 "tag"
         * with 0, so we now accept untagged and specified tagged traffic
-        * (and not any taged and untagged)
+        * (and not all tags along with untagged)
         */
        if (vid > 0) {
                if (is_netdev && i40e_find_filter(vsi, vsi->netdev->dev_addr,
@@ -2417,7 +2418,7 @@ int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid)
 
        /* Do not assume that I40E_VLAN_ANY should be reset to VLAN 0 */
        if (vid > 0 && !vsi->info.pvid) {
-               list_for_each_entry(f, &vsi->mac_filter_list, list) {
+               list_for_each_entry_safe(f, ftmp, &vsi->mac_filter_list, list) {
                        if (!i40e_find_filter(vsi, f->macaddr, I40E_VLAN_ANY,
                                              is_vf, is_netdev))
                                continue;
@@ -2454,7 +2455,7 @@ int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid)
 int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid)
 {
        struct net_device *netdev = vsi->netdev;
-       struct i40e_mac_filter *f, *add_f;
+       struct i40e_mac_filter *f, *ftmp, *add_f;
        bool is_vf, is_netdev;
        int filter_count = 0;
 
@@ -2467,7 +2468,7 @@ int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid)
        if (is_netdev)
                i40e_del_filter(vsi, netdev->dev_addr, vid, is_vf, is_netdev);
 
-       list_for_each_entry(f, &vsi->mac_filter_list, list)
+       list_for_each_entry_safe(f, ftmp, &vsi->mac_filter_list, list)
                i40e_del_filter(vsi, f->macaddr, vid, is_vf, is_netdev);
 
        /* go through all the filters for this VSI and if there is only
@@ -2500,7 +2501,7 @@ int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid)
        }
 
        if (!filter_count) {
-               list_for_each_entry(f, &vsi->mac_filter_list, list) {
+               list_for_each_entry_safe(f, ftmp, &vsi->mac_filter_list, list) {
                        i40e_del_filter(vsi, f->macaddr, 0, is_vf, is_netdev);
                        add_f = i40e_add_filter(vsi, f->macaddr, I40E_VLAN_ANY,
                                                is_vf, is_netdev);
@@ -2545,8 +2546,6 @@ static int i40e_vlan_rx_add_vid(struct net_device *netdev,
        if (vid > 4095)
                return -EINVAL;
 
-       netdev_info(netdev, "adding %pM vid=%d\n", netdev->dev_addr, vid);
-
        /* If the network stack called us with vid = 0 then
         * it is asking to receive priority tagged packets with
         * vlan id 0.  Our HW receives them by default when configured
@@ -2580,8 +2579,6 @@ static int i40e_vlan_rx_kill_vid(struct net_device *netdev,
        struct i40e_netdev_priv *np = netdev_priv(netdev);
        struct i40e_vsi *vsi = np->vsi;
 
-       netdev_info(netdev, "removing %pM vid=%d\n", netdev->dev_addr, vid);
-
        /* return code is ignored as there is nothing a user
         * can do about failure to remove and a log message was
         * already printed from the other function
@@ -2593,6 +2590,44 @@ static int i40e_vlan_rx_kill_vid(struct net_device *netdev,
        return 0;
 }
 
+/**
+ * i40e_macaddr_init - explicitly write the mac address filters
+ *
+ * @vsi: pointer to the vsi
+ * @macaddr: the MAC address
+ *
+ * This is needed when the macaddr has been obtained by other
+ * means than the default, e.g., from Open Firmware or IDPROM.
+ * Returns 0 on success, negative on failure
+ **/
+static int i40e_macaddr_init(struct i40e_vsi *vsi, u8 *macaddr)
+{
+       int ret;
+       struct i40e_aqc_add_macvlan_element_data element;
+
+       ret = i40e_aq_mac_address_write(&vsi->back->hw,
+                                       I40E_AQC_WRITE_TYPE_LAA_WOL,
+                                       macaddr, NULL);
+       if (ret) {
+               dev_info(&vsi->back->pdev->dev,
+                        "Addr change for VSI failed: %d\n", ret);
+               return -EADDRNOTAVAIL;
+       }
+
+       memset(&element, 0, sizeof(element));
+       ether_addr_copy(element.mac_addr, macaddr);
+       element.flags = cpu_to_le16(I40E_AQC_MACVLAN_ADD_PERFECT_MATCH);
+       ret = i40e_aq_add_macvlan(&vsi->back->hw, vsi->seid, &element, 1, NULL);
+       if (ret) {
+               dev_info(&vsi->back->pdev->dev,
+                        "add filter failed err %s aq_err %s\n",
+                        i40e_stat_str(&vsi->back->hw, ret),
+                        i40e_aq_str(&vsi->back->hw,
+                                    vsi->back->hw.aq.asq_last_status));
+       }
+       return ret;
+}
+
 /**
  * i40e_restore_vlan - Reinstate vlans when vsi/netdev comes back up
  * @vsi: the vsi being brought back up
@@ -3039,8 +3074,19 @@ static void i40e_vsi_config_dcb_rings(struct i40e_vsi *vsi)
  **/
 static void i40e_set_vsi_rx_mode(struct i40e_vsi *vsi)
 {
+       struct i40e_pf *pf = vsi->back;
+       int err;
+
        if (vsi->netdev)
                i40e_set_rx_mode(vsi->netdev);
+
+       if (!!(pf->flags & I40E_FLAG_PF_MAC)) {
+               err = i40e_macaddr_init(vsi, pf->hw.mac.addr);
+               if (err) {
+                       dev_warn(&pf->pdev->dev,
+                                "could not set up macaddr; err %d\n", err);
+               }
+       }
 }
 
 /**
@@ -7932,7 +7978,6 @@ static int i40e_config_rss_aq(struct i40e_vsi *vsi, const u8 *seed,
        u8 *rss_lut;
        int ret, i;
 
-       memset(&rss_key, 0, sizeof(rss_key));
        memcpy(&rss_key, seed, sizeof(rss_key));
 
        rss_lut = kzalloc(pf->rss_table_size, GFP_KERNEL);
@@ -9019,7 +9064,6 @@ static const struct net_device_ops i40e_netdev_ops = {
  **/
 static int i40e_config_netdev(struct i40e_vsi *vsi)
 {
-       u8 brdcast[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
        struct i40e_pf *pf = vsi->back;
        struct i40e_hw *hw = &pf->hw;
        struct i40e_netdev_priv *np;
@@ -9083,18 +9127,10 @@ static int i40e_config_netdev(struct i40e_vsi *vsi)
                 * default a MAC-VLAN filter that accepts any tagged packet
                 * which must be replaced by a normal filter.
                 */
-               if (!i40e_rm_default_mac_filter(vsi, mac_addr)) {
-                       spin_lock_bh(&vsi->mac_filter_list_lock);
-                       i40e_add_filter(vsi, mac_addr,
-                                       I40E_VLAN_ANY, false, true);
-                       spin_unlock_bh(&vsi->mac_filter_list_lock);
-               }
-       } else if ((pf->hw.aq.api_maj_ver > 1) ||
-                  ((pf->hw.aq.api_maj_ver == 1) &&
-                   (pf->hw.aq.api_min_ver > 4))) {
-               /* Supported in FW API version higher than 1.4 */
-               pf->flags |= I40E_FLAG_GENEVE_OFFLOAD_CAPABLE;
-               pf->auto_disable_flags = I40E_FLAG_HW_ATR_EVICT_CAPABLE;
+               i40e_rm_default_mac_filter(vsi, mac_addr);
+               spin_lock_bh(&vsi->mac_filter_list_lock);
+               i40e_add_filter(vsi, mac_addr, I40E_VLAN_ANY, false, true);
+               spin_unlock_bh(&vsi->mac_filter_list_lock);
        } else {
                /* relate the VSI_VMDQ name to the VSI_MAIN name */
                snprintf(netdev->name, IFNAMSIZ, "%sv%%d",
@@ -9106,10 +9142,6 @@ static int i40e_config_netdev(struct i40e_vsi *vsi)
                spin_unlock_bh(&vsi->mac_filter_list_lock);
        }
 
-       spin_lock_bh(&vsi->mac_filter_list_lock);
-       i40e_add_filter(vsi, brdcast, I40E_VLAN_ANY, false, false);
-       spin_unlock_bh(&vsi->mac_filter_list_lock);
-
        ether_addr_copy(netdev->dev_addr, mac_addr);
        ether_addr_copy(netdev->perm_addr, mac_addr);
 
@@ -9188,8 +9220,6 @@ static int i40e_add_vsi(struct i40e_vsi *vsi)
 {
        int ret = -ENODEV;
        i40e_status aq_ret = 0;
-       u8 laa_macaddr[ETH_ALEN];
-       bool found_laa_mac_filter = false;
        struct i40e_pf *pf = vsi->back;
        struct i40e_hw *hw = &pf->hw;
        struct i40e_vsi_context ctxt;
@@ -9390,41 +9420,16 @@ static int i40e_add_vsi(struct i40e_vsi *vsi)
                }
        }
 
+       vsi->active_filters = 0;
+       clear_bit(__I40E_FILTER_OVERFLOW_PROMISC, &vsi->state);
        spin_lock_bh(&vsi->mac_filter_list_lock);
        /* If macvlan filters already exist, force them to get loaded */
        list_for_each_entry_safe(f, ftmp, &vsi->mac_filter_list, list) {
-               f->changed = true;
+               f->state = I40E_FILTER_NEW;
                f_count++;
-
-               /* Expected to have only one MAC filter entry for LAA in list */
-               if (f->is_laa && vsi->type == I40E_VSI_MAIN) {
-                       ether_addr_copy(laa_macaddr, f->macaddr);
-                       found_laa_mac_filter = true;
-               }
        }
        spin_unlock_bh(&vsi->mac_filter_list_lock);
 
-       if (found_laa_mac_filter) {
-               struct i40e_aqc_remove_macvlan_element_data element;
-
-               memset(&element, 0, sizeof(element));
-               ether_addr_copy(element.mac_addr, laa_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,
-                                         laa_macaddr, NULL);
-       }
-
        if (f_count) {
                vsi->flags |= I40E_VSI_FLAG_FILTER_CHANGED;
                pf->flags |= I40E_FLAG_FILTER_SYNC;
@@ -9635,6 +9640,8 @@ static struct i40e_vsi *i40e_vsi_reinit_setup(struct i40e_vsi *vsi)
        pf->vsi[pf->lan_vsi]->tc_config.enabled_tc = 0;
        pf->vsi[pf->lan_vsi]->seid = pf->main_vsi_seid;
        i40e_vsi_config_tc(pf->vsi[pf->lan_vsi], enabled_tc);
+       if (vsi->type == I40E_VSI_MAIN)
+               i40e_rm_default_mac_filter(vsi, pf->hw.mac.perm_addr);
 
        /* assign it some queues */
        ret = i40e_alloc_rings(vsi);
@@ -9659,44 +9666,6 @@ err_vsi:
        return NULL;
 }
 
-/**
- * i40e_macaddr_init - explicitly write the mac address filters.
- *
- * @vsi: pointer to the vsi.
- * @macaddr: the MAC address
- *
- * This is needed when the macaddr has been obtained by other
- * means than the default, e.g., from Open Firmware or IDPROM.
- * Returns 0 on success, negative on failure
- **/
-static int i40e_macaddr_init(struct i40e_vsi *vsi, u8 *macaddr)
-{
-       int ret;
-       struct i40e_aqc_add_macvlan_element_data element;
-
-       ret = i40e_aq_mac_address_write(&vsi->back->hw,
-                                       I40E_AQC_WRITE_TYPE_LAA_WOL,
-                                       macaddr, NULL);
-       if (ret) {
-               dev_info(&vsi->back->pdev->dev,
-                        "Addr change for VSI failed: %d\n", ret);
-               return -EADDRNOTAVAIL;
-       }
-
-       memset(&element, 0, sizeof(element));
-       ether_addr_copy(element.mac_addr, macaddr);
-       element.flags = cpu_to_le16(I40E_AQC_MACVLAN_ADD_PERFECT_MATCH);
-       ret = i40e_aq_add_macvlan(&vsi->back->hw, vsi->seid, &element, 1, NULL);
-       if (ret) {
-               dev_info(&vsi->back->pdev->dev,
-                        "add filter failed err %s aq_err %s\n",
-                        i40e_stat_str(&vsi->back->hw, ret),
-                        i40e_aq_str(&vsi->back->hw,
-                                    vsi->back->hw.aq.asq_last_status));
-       }
-       return ret;
-}
-
 /**
  * i40e_vsi_setup - Set up a VSI by a given type
  * @pf: board private structure