ethdev: add return values to callback process API
[dpdk.git] / drivers / net / e1000 / igb_ethdev.c
index 74b5974..da03d9b 100644 (file)
@@ -213,9 +213,6 @@ static int eth_igb_rss_reta_query(struct rte_eth_dev *dev,
                                  struct rte_eth_rss_reta_entry64 *reta_conf,
                                  uint16_t reta_size);
 
-static int eth_igb_syn_filter_set(struct rte_eth_dev *dev,
-                       struct rte_eth_syn_filter *filter,
-                       bool add);
 static int eth_igb_syn_filter_get(struct rte_eth_dev *dev,
                        struct rte_eth_syn_filter *filter);
 static int eth_igb_syn_filter_handle(struct rte_eth_dev *dev,
@@ -225,9 +222,6 @@ static int igb_add_2tuple_filter(struct rte_eth_dev *dev,
                        struct rte_eth_ntuple_filter *ntuple_filter);
 static int igb_remove_2tuple_filter(struct rte_eth_dev *dev,
                        struct rte_eth_ntuple_filter *ntuple_filter);
-static int eth_igb_add_del_flex_filter(struct rte_eth_dev *dev,
-                       struct rte_eth_flex_filter *filter,
-                       bool add);
 static int eth_igb_get_flex_filter(struct rte_eth_dev *dev,
                        struct rte_eth_flex_filter *filter);
 static int eth_igb_flex_filter_handle(struct rte_eth_dev *dev,
@@ -237,17 +231,11 @@ static int igb_add_5tuple_filter_82576(struct rte_eth_dev *dev,
                        struct rte_eth_ntuple_filter *ntuple_filter);
 static int igb_remove_5tuple_filter_82576(struct rte_eth_dev *dev,
                        struct rte_eth_ntuple_filter *ntuple_filter);
-static int igb_add_del_ntuple_filter(struct rte_eth_dev *dev,
-                       struct rte_eth_ntuple_filter *filter,
-                       bool add);
 static int igb_get_ntuple_filter(struct rte_eth_dev *dev,
                        struct rte_eth_ntuple_filter *filter);
 static int igb_ntuple_filter_handle(struct rte_eth_dev *dev,
                                enum rte_filter_op filter_op,
                                void *arg);
-static int igb_add_del_ethertype_filter(struct rte_eth_dev *dev,
-                       struct rte_eth_ethertype_filter *filter,
-                       bool add);
 static int igb_ethertype_filter_handle(struct rte_eth_dev *dev,
                                enum rte_filter_op filter_op,
                                void *arg);
@@ -291,6 +279,7 @@ static void eth_igb_write_ivar(struct e1000_hw *hw, uint8_t msix_vector,
 static void eth_igb_configure_msix_intr(struct rte_eth_dev *dev);
 static void eth_igbvf_interrupt_handler(void *param);
 static void igbvf_mbx_process(struct rte_eth_dev *dev);
+static int igb_filter_restore(struct rte_eth_dev *dev);
 
 /*
  * Define VF Stats MACRO for Non "cleared on read" register
@@ -756,6 +745,46 @@ igb_reset_swfw_lock(struct e1000_hw *hw)
        return E1000_SUCCESS;
 }
 
+/* Remove all ntuple filters of the device */
+static int igb_ntuple_filter_uninit(struct rte_eth_dev *eth_dev)
+{
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(eth_dev->data->dev_private);
+       struct e1000_5tuple_filter *p_5tuple;
+       struct e1000_2tuple_filter *p_2tuple;
+
+       while ((p_5tuple = TAILQ_FIRST(&filter_info->fivetuple_list))) {
+               TAILQ_REMOVE(&filter_info->fivetuple_list,
+                       p_5tuple, entries);
+                       rte_free(p_5tuple);
+       }
+       filter_info->fivetuple_mask = 0;
+       while ((p_2tuple = TAILQ_FIRST(&filter_info->twotuple_list))) {
+               TAILQ_REMOVE(&filter_info->twotuple_list,
+                       p_2tuple, entries);
+                       rte_free(p_2tuple);
+       }
+       filter_info->twotuple_mask = 0;
+
+       return 0;
+}
+
+/* Remove all flex filters of the device */
+static int igb_flex_filter_uninit(struct rte_eth_dev *eth_dev)
+{
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(eth_dev->data->dev_private);
+       struct e1000_flex_filter *p_flex;
+
+       while ((p_flex = TAILQ_FIRST(&filter_info->flex_list))) {
+               TAILQ_REMOVE(&filter_info->flex_list, p_flex, entries);
+               rte_free(p_flex);
+       }
+       filter_info->flex_mask = 0;
+
+       return 0;
+}
+
 static int
 eth_igb_dev_init(struct rte_eth_dev *eth_dev)
 {
@@ -906,12 +935,19 @@ eth_igb_dev_init(struct rte_eth_dev *eth_dev)
        /* enable support intr */
        igb_intr_enable(eth_dev);
 
+       /* initialize filter info */
+       memset(filter_info, 0,
+              sizeof(struct e1000_filter_info));
+
        TAILQ_INIT(&filter_info->flex_list);
-       filter_info->flex_mask = 0;
        TAILQ_INIT(&filter_info->twotuple_list);
-       filter_info->twotuple_mask = 0;
        TAILQ_INIT(&filter_info->fivetuple_list);
-       filter_info->fivetuple_mask = 0;
+
+       TAILQ_INIT(&igb_filter_ntuple_list);
+       TAILQ_INIT(&igb_filter_ethertype_list);
+       TAILQ_INIT(&igb_filter_syn_list);
+       TAILQ_INIT(&igb_filter_flex_list);
+       TAILQ_INIT(&igb_flow_list);
 
        return 0;
 
@@ -929,6 +965,8 @@ eth_igb_dev_uninit(struct rte_eth_dev *eth_dev)
        struct e1000_hw *hw;
        struct e1000_adapter *adapter =
                E1000_DEV_PRIVATE(eth_dev->data->dev_private);
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(eth_dev->data->dev_private);
 
        PMD_INIT_FUNC_TRACE();
 
@@ -960,6 +998,23 @@ eth_igb_dev_uninit(struct rte_eth_dev *eth_dev)
        rte_intr_callback_unregister(intr_handle,
                                     eth_igb_interrupt_handler, eth_dev);
 
+       /* clear the SYN filter info */
+       filter_info->syn_info = 0;
+
+       /* clear the ethertype filters info */
+       filter_info->ethertype_mask = 0;
+       memset(filter_info->ethertype_filters, 0,
+               E1000_MAX_ETQF_FILTERS * sizeof(struct igb_ethertype_filter));
+
+       /* remove all ntuple filters of the device */
+       igb_ntuple_filter_uninit(eth_dev);
+
+       /* remove all flex filters of the device */
+       igb_flex_filter_uninit(eth_dev);
+
+       /* clear all the filters list */
+       igb_filterlist_flush(eth_dev);
+
        return 0;
 }
 
@@ -1438,6 +1493,9 @@ eth_igb_start(struct rte_eth_dev *dev)
        /* resume enabled intr since hw reset */
        igb_intr_enable(dev);
 
+       /* restore all types filter */
+       igb_filter_restore(dev);
+
        PMD_INIT_LOG(DEBUG, "<<");
 
        return 0;
@@ -1459,13 +1517,8 @@ static void
 eth_igb_stop(struct rte_eth_dev *dev)
 {
        struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
-       struct e1000_filter_info *filter_info =
-               E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
        struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
        struct rte_eth_link link;
-       struct e1000_flex_filter *p_flex;
-       struct e1000_5tuple_filter *p_5tuple, *p_5tuple_next;
-       struct e1000_2tuple_filter *p_2tuple, *p_2tuple_next;
        struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
 
        igb_intr_disable(hw);
@@ -1494,31 +1547,6 @@ eth_igb_stop(struct rte_eth_dev *dev)
        memset(&link, 0, sizeof(link));
        rte_igb_dev_atomic_write_link_status(dev, &link);
 
-       /* Remove all flex filters of the device */
-       while ((p_flex = TAILQ_FIRST(&filter_info->flex_list))) {
-               TAILQ_REMOVE(&filter_info->flex_list, p_flex, entries);
-               rte_free(p_flex);
-       }
-       filter_info->flex_mask = 0;
-
-       /* Remove all ntuple filters of the device */
-       for (p_5tuple = TAILQ_FIRST(&filter_info->fivetuple_list);
-            p_5tuple != NULL; p_5tuple = p_5tuple_next) {
-               p_5tuple_next = TAILQ_NEXT(p_5tuple, entries);
-               TAILQ_REMOVE(&filter_info->fivetuple_list,
-                            p_5tuple, entries);
-               rte_free(p_5tuple);
-       }
-       filter_info->fivetuple_mask = 0;
-       for (p_2tuple = TAILQ_FIRST(&filter_info->twotuple_list);
-            p_2tuple != NULL; p_2tuple = p_2tuple_next) {
-               p_2tuple_next = TAILQ_NEXT(p_2tuple, entries);
-               TAILQ_REMOVE(&filter_info->twotuple_list,
-                            p_2tuple, entries);
-               rte_free(p_2tuple);
-       }
-       filter_info->twotuple_mask = 0;
-
        if (!rte_intr_allow_others(intr_handle))
                /* resume to the default handler */
                rte_intr_callback_register(intr_handle,
@@ -2870,7 +2898,8 @@ eth_igb_interrupt_action(struct rte_eth_dev *dev,
                E1000_WRITE_REG(hw, E1000_TCTL, tctl);
                E1000_WRITE_REG(hw, E1000_RCTL, rctl);
                E1000_WRITE_FLUSH(hw);
-               _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL);
+               _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC,
+                                             NULL, NULL);
        }
 
        return 0;
@@ -2929,7 +2958,8 @@ void igbvf_mbx_process(struct rte_eth_dev *dev)
 
        /* PF reset VF event */
        if (in_msg == E1000_PF_CONTROL_MSG)
-               _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RESET, NULL);
+               _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RESET,
+                                             NULL, NULL);
 }
 
 static int
@@ -3549,19 +3579,14 @@ eth_igb_rss_reta_query(struct rte_eth_dev *dev,
        return 0;
 }
 
-#define MAC_TYPE_FILTER_SUP(type)    do {\
-       if ((type) != e1000_82580 && (type) != e1000_i350 &&\
-               (type) != e1000_82576 && (type) != e1000_i210 &&\
-               (type) != e1000_i211)\
-               return -ENOTSUP;\
-} while (0)
-
-static int
+int
 eth_igb_syn_filter_set(struct rte_eth_dev *dev,
                        struct rte_eth_syn_filter *filter,
                        bool add)
 {
        struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
        uint32_t synqf, rfctl;
 
        if (filter->queue >= IGB_MAX_RX_QUEUE_NUM)
@@ -3589,6 +3614,7 @@ eth_igb_syn_filter_set(struct rte_eth_dev *dev,
                synqf = 0;
        }
 
+       filter_info->syn_info = synqf;
        E1000_WRITE_REG(hw, E1000_SYNQF(0), synqf);
        E1000_WRITE_FLUSH(hw);
        return 0;
@@ -3656,11 +3682,6 @@ eth_igb_syn_filter_handle(struct rte_eth_dev *dev,
        return ret;
 }
 
-#define MAC_TYPE_FILTER_SUP_EXT(type)    do {\
-       if ((type) != e1000_82580 && (type) != e1000_i350)\
-               return -ENOSYS; \
-} while (0)
-
 /* translate elements in struct rte_eth_ntuple_filter to struct e1000_2tuple_filter_info*/
 static inline int
 ntuple_filter_to_2tuple(struct rte_eth_ntuple_filter *filter,
@@ -3723,6 +3744,54 @@ igb_2tuple_filter_lookup(struct e1000_2tuple_filter_list *filter_list,
        return NULL;
 }
 
+/* inject a igb 2tuple filter to HW */
+static inline void
+igb_inject_2uple_filter(struct rte_eth_dev *dev,
+                          struct e1000_2tuple_filter *filter)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint32_t ttqf = E1000_TTQF_DISABLE_MASK;
+       uint32_t imir, imir_ext = E1000_IMIREXT_SIZE_BP;
+       int i;
+
+       i = filter->index;
+       imir = (uint32_t)(filter->filter_info.dst_port & E1000_IMIR_DSTPORT);
+       if (filter->filter_info.dst_port_mask == 1) /* 1b means not compare. */
+               imir |= E1000_IMIR_PORT_BP;
+       else
+               imir &= ~E1000_IMIR_PORT_BP;
+
+       imir |= filter->filter_info.priority << E1000_IMIR_PRIORITY_SHIFT;
+
+       ttqf |= E1000_TTQF_QUEUE_ENABLE;
+       ttqf |= (uint32_t)(filter->queue << E1000_TTQF_QUEUE_SHIFT);
+       ttqf |= (uint32_t)(filter->filter_info.proto &
+                                               E1000_TTQF_PROTOCOL_MASK);
+       if (filter->filter_info.proto_mask == 0)
+               ttqf &= ~E1000_TTQF_MASK_ENABLE;
+
+       /* tcp flags bits setting. */
+       if (filter->filter_info.tcp_flags & TCP_FLAG_ALL) {
+               if (filter->filter_info.tcp_flags & TCP_URG_FLAG)
+                       imir_ext |= E1000_IMIREXT_CTRL_URG;
+               if (filter->filter_info.tcp_flags & TCP_ACK_FLAG)
+                       imir_ext |= E1000_IMIREXT_CTRL_ACK;
+               if (filter->filter_info.tcp_flags & TCP_PSH_FLAG)
+                       imir_ext |= E1000_IMIREXT_CTRL_PSH;
+               if (filter->filter_info.tcp_flags & TCP_RST_FLAG)
+                       imir_ext |= E1000_IMIREXT_CTRL_RST;
+               if (filter->filter_info.tcp_flags & TCP_SYN_FLAG)
+                       imir_ext |= E1000_IMIREXT_CTRL_SYN;
+               if (filter->filter_info.tcp_flags & TCP_FIN_FLAG)
+                       imir_ext |= E1000_IMIREXT_CTRL_FIN;
+       } else {
+               imir_ext |= E1000_IMIREXT_CTRL_BP;
+       }
+       E1000_WRITE_REG(hw, E1000_IMIR(i), imir);
+       E1000_WRITE_REG(hw, E1000_TTQF(i), ttqf);
+       E1000_WRITE_REG(hw, E1000_IMIREXT(i), imir_ext);
+}
+
 /*
  * igb_add_2tuple_filter - add a 2tuple filter
  *
@@ -3738,12 +3807,9 @@ static int
 igb_add_2tuple_filter(struct rte_eth_dev *dev,
                        struct rte_eth_ntuple_filter *ntuple_filter)
 {
-       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
        struct e1000_filter_info *filter_info =
                E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
        struct e1000_2tuple_filter *filter;
-       uint32_t ttqf = E1000_TTQF_DISABLE_MASK;
-       uint32_t imir, imir_ext = E1000_IMIREXT_SIZE_BP;
        int i, ret;
 
        filter = rte_zmalloc("e1000_2tuple_filter",
@@ -3785,39 +3851,25 @@ igb_add_2tuple_filter(struct rte_eth_dev *dev,
                return -ENOSYS;
        }
 
-       imir = (uint32_t)(filter->filter_info.dst_port & E1000_IMIR_DSTPORT);
-       if (filter->filter_info.dst_port_mask == 1) /* 1b means not compare. */
-               imir |= E1000_IMIR_PORT_BP;
-       else
-               imir &= ~E1000_IMIR_PORT_BP;
+       igb_inject_2uple_filter(dev, filter);
+       return 0;
+}
 
-       imir |= filter->filter_info.priority << E1000_IMIR_PRIORITY_SHIFT;
+int
+igb_delete_2tuple_filter(struct rte_eth_dev *dev,
+                       struct e1000_2tuple_filter *filter)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
 
-       ttqf |= E1000_TTQF_QUEUE_ENABLE;
-       ttqf |= (uint32_t)(filter->queue << E1000_TTQF_QUEUE_SHIFT);
-       ttqf |= (uint32_t)(filter->filter_info.proto & E1000_TTQF_PROTOCOL_MASK);
-       if (filter->filter_info.proto_mask == 0)
-               ttqf &= ~E1000_TTQF_MASK_ENABLE;
+       filter_info->twotuple_mask &= ~(1 << filter->index);
+       TAILQ_REMOVE(&filter_info->twotuple_list, filter, entries);
+       rte_free(filter);
 
-       /* tcp flags bits setting. */
-       if (filter->filter_info.tcp_flags & TCP_FLAG_ALL) {
-               if (filter->filter_info.tcp_flags & TCP_URG_FLAG)
-                       imir_ext |= E1000_IMIREXT_CTRL_URG;
-               if (filter->filter_info.tcp_flags & TCP_ACK_FLAG)
-                       imir_ext |= E1000_IMIREXT_CTRL_ACK;
-               if (filter->filter_info.tcp_flags & TCP_PSH_FLAG)
-                       imir_ext |= E1000_IMIREXT_CTRL_PSH;
-               if (filter->filter_info.tcp_flags & TCP_RST_FLAG)
-                       imir_ext |= E1000_IMIREXT_CTRL_RST;
-               if (filter->filter_info.tcp_flags & TCP_SYN_FLAG)
-                       imir_ext |= E1000_IMIREXT_CTRL_SYN;
-               if (filter->filter_info.tcp_flags & TCP_FIN_FLAG)
-                       imir_ext |= E1000_IMIREXT_CTRL_FIN;
-       } else
-               imir_ext |= E1000_IMIREXT_CTRL_BP;
-       E1000_WRITE_REG(hw, E1000_IMIR(i), imir);
-       E1000_WRITE_REG(hw, E1000_TTQF(i), ttqf);
-       E1000_WRITE_REG(hw, E1000_IMIREXT(i), imir_ext);
+       E1000_WRITE_REG(hw, E1000_TTQF(filter->index), E1000_TTQF_DISABLE_MASK);
+       E1000_WRITE_REG(hw, E1000_IMIR(filter->index), 0);
+       E1000_WRITE_REG(hw, E1000_IMIREXT(filter->index), 0);
        return 0;
 }
 
@@ -3836,7 +3888,6 @@ static int
 igb_remove_2tuple_filter(struct rte_eth_dev *dev,
                        struct rte_eth_ntuple_filter *ntuple_filter)
 {
-       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
        struct e1000_filter_info *filter_info =
                E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
        struct e1000_2tuple_filter_info filter_2tuple;
@@ -3856,16 +3907,50 @@ igb_remove_2tuple_filter(struct rte_eth_dev *dev,
                return -ENOENT;
        }
 
-       filter_info->twotuple_mask &= ~(1 << filter->index);
-       TAILQ_REMOVE(&filter_info->twotuple_list, filter, entries);
-       rte_free(filter);
+       igb_delete_2tuple_filter(dev, filter);
 
-       E1000_WRITE_REG(hw, E1000_TTQF(filter->index), E1000_TTQF_DISABLE_MASK);
-       E1000_WRITE_REG(hw, E1000_IMIR(filter->index), 0);
-       E1000_WRITE_REG(hw, E1000_IMIREXT(filter->index), 0);
        return 0;
 }
 
+/* inject a igb flex filter to HW */
+static inline void
+igb_inject_flex_filter(struct rte_eth_dev *dev,
+                          struct e1000_flex_filter *filter)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint32_t wufc, queueing;
+       uint32_t reg_off;
+       uint8_t i, j = 0;
+
+       wufc = E1000_READ_REG(hw, E1000_WUFC);
+       if (filter->index < E1000_MAX_FHFT)
+               reg_off = E1000_FHFT(filter->index);
+       else
+               reg_off = E1000_FHFT_EXT(filter->index - E1000_MAX_FHFT);
+
+       E1000_WRITE_REG(hw, E1000_WUFC, wufc | E1000_WUFC_FLEX_HQ |
+                       (E1000_WUFC_FLX0 << filter->index));
+       queueing = filter->filter_info.len |
+               (filter->queue << E1000_FHFT_QUEUEING_QUEUE_SHIFT) |
+               (filter->filter_info.priority <<
+                       E1000_FHFT_QUEUEING_PRIO_SHIFT);
+       E1000_WRITE_REG(hw, reg_off + E1000_FHFT_QUEUEING_OFFSET,
+                       queueing);
+
+       for (i = 0; i < E1000_FLEX_FILTERS_MASK_SIZE; i++) {
+               E1000_WRITE_REG(hw, reg_off,
+                               filter->filter_info.dwords[j]);
+               reg_off += sizeof(uint32_t);
+               E1000_WRITE_REG(hw, reg_off,
+                               filter->filter_info.dwords[++j]);
+               reg_off += sizeof(uint32_t);
+               E1000_WRITE_REG(hw, reg_off,
+                       (uint32_t)filter->filter_info.mask[i]);
+               reg_off += sizeof(uint32_t) * 2;
+               ++j;
+       }
+}
+
 static inline struct e1000_flex_filter *
 eth_igb_flex_filter_lookup(struct e1000_flex_filter_list *filter_list,
                        struct e1000_flex_filter_info *key)
@@ -3881,18 +3966,48 @@ eth_igb_flex_filter_lookup(struct e1000_flex_filter_list *filter_list,
        return NULL;
 }
 
-static int
+/* remove a flex byte filter
+ * @param
+ * dev: Pointer to struct rte_eth_dev.
+ * filter: the pointer of the filter will be removed.
+ */
+void
+igb_remove_flex_filter(struct rte_eth_dev *dev,
+                       struct e1000_flex_filter *filter)
+{
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint32_t wufc, i;
+       uint32_t reg_off;
+
+       wufc = E1000_READ_REG(hw, E1000_WUFC);
+       if (filter->index < E1000_MAX_FHFT)
+               reg_off = E1000_FHFT(filter->index);
+       else
+               reg_off = E1000_FHFT_EXT(filter->index - E1000_MAX_FHFT);
+
+       for (i = 0; i < E1000_FHFT_SIZE_IN_DWD; i++)
+               E1000_WRITE_REG(hw, reg_off + i * sizeof(uint32_t), 0);
+
+       E1000_WRITE_REG(hw, E1000_WUFC, wufc &
+               (~(E1000_WUFC_FLX0 << filter->index)));
+
+       filter_info->flex_mask &= ~(1 << filter->index);
+       TAILQ_REMOVE(&filter_info->flex_list, filter, entries);
+       rte_free(filter);
+}
+
+int
 eth_igb_add_del_flex_filter(struct rte_eth_dev *dev,
                        struct rte_eth_flex_filter *filter,
                        bool add)
 {
-       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
        struct e1000_filter_info *filter_info =
                E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
        struct e1000_flex_filter *flex_filter, *it;
-       uint32_t wufc, queueing, mask;
-       uint32_t reg_off;
-       uint8_t shift, i, j = 0;
+       uint32_t mask;
+       uint8_t shift, i;
 
        flex_filter = rte_zmalloc("e1000_flex_filter",
                        sizeof(struct e1000_flex_filter), 0);
@@ -3912,19 +4027,20 @@ eth_igb_add_del_flex_filter(struct rte_eth_dev *dev,
                flex_filter->filter_info.mask[i] = mask;
        }
 
-       wufc = E1000_READ_REG(hw, E1000_WUFC);
-       if (flex_filter->index < E1000_MAX_FHFT)
-               reg_off = E1000_FHFT(flex_filter->index);
-       else
-               reg_off = E1000_FHFT_EXT(flex_filter->index - E1000_MAX_FHFT);
+       it = eth_igb_flex_filter_lookup(&filter_info->flex_list,
+                               &flex_filter->filter_info);
+       if (it == NULL && !add) {
+               PMD_DRV_LOG(ERR, "filter doesn't exist.");
+               rte_free(flex_filter);
+               return -ENOENT;
+       }
+       if (it != NULL && add) {
+               PMD_DRV_LOG(ERR, "filter exists.");
+               rte_free(flex_filter);
+               return -EEXIST;
+       }
 
        if (add) {
-               if (eth_igb_flex_filter_lookup(&filter_info->flex_list,
-                               &flex_filter->filter_info) != NULL) {
-                       PMD_DRV_LOG(ERR, "filter exists.");
-                       rte_free(flex_filter);
-                       return -EEXIST;
-               }
                flex_filter->queue = filter->queue;
                /*
                 * look for an unused flex filter index
@@ -3946,42 +4062,10 @@ eth_igb_add_del_flex_filter(struct rte_eth_dev *dev,
                        return -ENOSYS;
                }
 
-               E1000_WRITE_REG(hw, E1000_WUFC, wufc | E1000_WUFC_FLEX_HQ |
-                               (E1000_WUFC_FLX0 << flex_filter->index));
-               queueing = filter->len |
-                       (filter->queue << E1000_FHFT_QUEUEING_QUEUE_SHIFT) |
-                       (filter->priority << E1000_FHFT_QUEUEING_PRIO_SHIFT);
-               E1000_WRITE_REG(hw, reg_off + E1000_FHFT_QUEUEING_OFFSET,
-                               queueing);
-               for (i = 0; i < E1000_FLEX_FILTERS_MASK_SIZE; i++) {
-                       E1000_WRITE_REG(hw, reg_off,
-                                       flex_filter->filter_info.dwords[j]);
-                       reg_off += sizeof(uint32_t);
-                       E1000_WRITE_REG(hw, reg_off,
-                                       flex_filter->filter_info.dwords[++j]);
-                       reg_off += sizeof(uint32_t);
-                       E1000_WRITE_REG(hw, reg_off,
-                               (uint32_t)flex_filter->filter_info.mask[i]);
-                       reg_off += sizeof(uint32_t) * 2;
-                       ++j;
-               }
-       } else {
-               it = eth_igb_flex_filter_lookup(&filter_info->flex_list,
-                               &flex_filter->filter_info);
-               if (it == NULL) {
-                       PMD_DRV_LOG(ERR, "filter doesn't exist.");
-                       rte_free(flex_filter);
-                       return -ENOENT;
-               }
-
-               for (i = 0; i < E1000_FHFT_SIZE_IN_DWD; i++)
-                       E1000_WRITE_REG(hw, reg_off + i * sizeof(uint32_t), 0);
-               E1000_WRITE_REG(hw, E1000_WUFC, wufc &
-                       (~(E1000_WUFC_FLX0 << it->index)));
+               igb_inject_flex_filter(dev, flex_filter);
 
-               filter_info->flex_mask &= ~(1 << it->index);
-               TAILQ_REMOVE(&filter_info->flex_list, it, entries);
-               rte_free(it);
+       } else {
+               igb_remove_flex_filter(dev, it);
                rte_free(flex_filter);
        }
 
@@ -4185,6 +4269,64 @@ igb_5tuple_filter_lookup_82576(struct e1000_5tuple_filter_list *filter_list,
        return NULL;
 }
 
+/* inject a igb 5-tuple filter to HW */
+static inline void
+igb_inject_5tuple_filter_82576(struct rte_eth_dev *dev,
+                          struct e1000_5tuple_filter *filter)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint32_t ftqf = E1000_FTQF_VF_BP | E1000_FTQF_MASK;
+       uint32_t spqf, imir, imir_ext = E1000_IMIREXT_SIZE_BP;
+       uint8_t i;
+
+       i = filter->index;
+       ftqf |= filter->filter_info.proto & E1000_FTQF_PROTOCOL_MASK;
+       if (filter->filter_info.src_ip_mask == 0) /* 0b means compare. */
+               ftqf &= ~E1000_FTQF_MASK_SOURCE_ADDR_BP;
+       if (filter->filter_info.dst_ip_mask == 0)
+               ftqf &= ~E1000_FTQF_MASK_DEST_ADDR_BP;
+       if (filter->filter_info.src_port_mask == 0)
+               ftqf &= ~E1000_FTQF_MASK_SOURCE_PORT_BP;
+       if (filter->filter_info.proto_mask == 0)
+               ftqf &= ~E1000_FTQF_MASK_PROTO_BP;
+       ftqf |= (filter->queue << E1000_FTQF_QUEUE_SHIFT) &
+               E1000_FTQF_QUEUE_MASK;
+       ftqf |= E1000_FTQF_QUEUE_ENABLE;
+       E1000_WRITE_REG(hw, E1000_FTQF(i), ftqf);
+       E1000_WRITE_REG(hw, E1000_DAQF(i), filter->filter_info.dst_ip);
+       E1000_WRITE_REG(hw, E1000_SAQF(i), filter->filter_info.src_ip);
+
+       spqf = filter->filter_info.src_port & E1000_SPQF_SRCPORT;
+       E1000_WRITE_REG(hw, E1000_SPQF(i), spqf);
+
+       imir = (uint32_t)(filter->filter_info.dst_port & E1000_IMIR_DSTPORT);
+       if (filter->filter_info.dst_port_mask == 1) /* 1b means not compare. */
+               imir |= E1000_IMIR_PORT_BP;
+       else
+               imir &= ~E1000_IMIR_PORT_BP;
+       imir |= filter->filter_info.priority << E1000_IMIR_PRIORITY_SHIFT;
+
+       /* tcp flags bits setting. */
+       if (filter->filter_info.tcp_flags & TCP_FLAG_ALL) {
+               if (filter->filter_info.tcp_flags & TCP_URG_FLAG)
+                       imir_ext |= E1000_IMIREXT_CTRL_URG;
+               if (filter->filter_info.tcp_flags & TCP_ACK_FLAG)
+                       imir_ext |= E1000_IMIREXT_CTRL_ACK;
+               if (filter->filter_info.tcp_flags & TCP_PSH_FLAG)
+                       imir_ext |= E1000_IMIREXT_CTRL_PSH;
+               if (filter->filter_info.tcp_flags & TCP_RST_FLAG)
+                       imir_ext |= E1000_IMIREXT_CTRL_RST;
+               if (filter->filter_info.tcp_flags & TCP_SYN_FLAG)
+                       imir_ext |= E1000_IMIREXT_CTRL_SYN;
+               if (filter->filter_info.tcp_flags & TCP_FIN_FLAG)
+                       imir_ext |= E1000_IMIREXT_CTRL_FIN;
+       } else {
+               imir_ext |= E1000_IMIREXT_CTRL_BP;
+       }
+       E1000_WRITE_REG(hw, E1000_IMIR(i), imir);
+       E1000_WRITE_REG(hw, E1000_IMIREXT(i), imir_ext);
+}
+
 /*
  * igb_add_5tuple_filter_82576 - add a 5tuple filter
  *
@@ -4200,12 +4342,9 @@ static int
 igb_add_5tuple_filter_82576(struct rte_eth_dev *dev,
                        struct rte_eth_ntuple_filter *ntuple_filter)
 {
-       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
        struct e1000_filter_info *filter_info =
                E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
        struct e1000_5tuple_filter *filter;
-       uint32_t ftqf = E1000_FTQF_VF_BP | E1000_FTQF_MASK;
-       uint32_t spqf, imir, imir_ext = E1000_IMIREXT_SIZE_BP;
        uint8_t i;
        int ret;
 
@@ -4249,50 +4388,29 @@ igb_add_5tuple_filter_82576(struct rte_eth_dev *dev,
                return -ENOSYS;
        }
 
-       ftqf |= filter->filter_info.proto & E1000_FTQF_PROTOCOL_MASK;
-       if (filter->filter_info.src_ip_mask == 0) /* 0b means compare. */
-               ftqf &= ~E1000_FTQF_MASK_SOURCE_ADDR_BP;
-       if (filter->filter_info.dst_ip_mask == 0)
-               ftqf &= ~E1000_FTQF_MASK_DEST_ADDR_BP;
-       if (filter->filter_info.src_port_mask == 0)
-               ftqf &= ~E1000_FTQF_MASK_SOURCE_PORT_BP;
-       if (filter->filter_info.proto_mask == 0)
-               ftqf &= ~E1000_FTQF_MASK_PROTO_BP;
-       ftqf |= (filter->queue << E1000_FTQF_QUEUE_SHIFT) &
-               E1000_FTQF_QUEUE_MASK;
-       ftqf |= E1000_FTQF_QUEUE_ENABLE;
-       E1000_WRITE_REG(hw, E1000_FTQF(i), ftqf);
-       E1000_WRITE_REG(hw, E1000_DAQF(i), filter->filter_info.dst_ip);
-       E1000_WRITE_REG(hw, E1000_SAQF(i), filter->filter_info.src_ip);
+       igb_inject_5tuple_filter_82576(dev, filter);
+       return 0;
+}
 
-       spqf = filter->filter_info.src_port & E1000_SPQF_SRCPORT;
-       E1000_WRITE_REG(hw, E1000_SPQF(i), spqf);
+int
+igb_delete_5tuple_filter_82576(struct rte_eth_dev *dev,
+                               struct e1000_5tuple_filter *filter)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
 
-       imir = (uint32_t)(filter->filter_info.dst_port & E1000_IMIR_DSTPORT);
-       if (filter->filter_info.dst_port_mask == 1) /* 1b means not compare. */
-               imir |= E1000_IMIR_PORT_BP;
-       else
-               imir &= ~E1000_IMIR_PORT_BP;
-       imir |= filter->filter_info.priority << E1000_IMIR_PRIORITY_SHIFT;
+       filter_info->fivetuple_mask &= ~(1 << filter->index);
+       TAILQ_REMOVE(&filter_info->fivetuple_list, filter, entries);
+       rte_free(filter);
 
-       /* tcp flags bits setting. */
-       if (filter->filter_info.tcp_flags & TCP_FLAG_ALL) {
-               if (filter->filter_info.tcp_flags & TCP_URG_FLAG)
-                       imir_ext |= E1000_IMIREXT_CTRL_URG;
-               if (filter->filter_info.tcp_flags & TCP_ACK_FLAG)
-                       imir_ext |= E1000_IMIREXT_CTRL_ACK;
-               if (filter->filter_info.tcp_flags & TCP_PSH_FLAG)
-                       imir_ext |= E1000_IMIREXT_CTRL_PSH;
-               if (filter->filter_info.tcp_flags & TCP_RST_FLAG)
-                       imir_ext |= E1000_IMIREXT_CTRL_RST;
-               if (filter->filter_info.tcp_flags & TCP_SYN_FLAG)
-                       imir_ext |= E1000_IMIREXT_CTRL_SYN;
-               if (filter->filter_info.tcp_flags & TCP_FIN_FLAG)
-                       imir_ext |= E1000_IMIREXT_CTRL_FIN;
-       } else
-               imir_ext |= E1000_IMIREXT_CTRL_BP;
-       E1000_WRITE_REG(hw, E1000_IMIR(i), imir);
-       E1000_WRITE_REG(hw, E1000_IMIREXT(i), imir_ext);
+       E1000_WRITE_REG(hw, E1000_FTQF(filter->index),
+                       E1000_FTQF_VF_BP | E1000_FTQF_MASK);
+       E1000_WRITE_REG(hw, E1000_DAQF(filter->index), 0);
+       E1000_WRITE_REG(hw, E1000_SAQF(filter->index), 0);
+       E1000_WRITE_REG(hw, E1000_SPQF(filter->index), 0);
+       E1000_WRITE_REG(hw, E1000_IMIR(filter->index), 0);
+       E1000_WRITE_REG(hw, E1000_IMIREXT(filter->index), 0);
        return 0;
 }
 
@@ -4311,7 +4429,6 @@ static int
 igb_remove_5tuple_filter_82576(struct rte_eth_dev *dev,
                                struct rte_eth_ntuple_filter *ntuple_filter)
 {
-       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
        struct e1000_filter_info *filter_info =
                E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
        struct e1000_5tuple_filter_info filter_5tuple;
@@ -4331,17 +4448,8 @@ igb_remove_5tuple_filter_82576(struct rte_eth_dev *dev,
                return -ENOENT;
        }
 
-       filter_info->fivetuple_mask &= ~(1 << filter->index);
-       TAILQ_REMOVE(&filter_info->fivetuple_list, filter, entries);
-       rte_free(filter);
+       igb_delete_5tuple_filter_82576(dev, filter);
 
-       E1000_WRITE_REG(hw, E1000_FTQF(filter->index),
-                       E1000_FTQF_VF_BP | E1000_FTQF_MASK);
-       E1000_WRITE_REG(hw, E1000_DAQF(filter->index), 0);
-       E1000_WRITE_REG(hw, E1000_SAQF(filter->index), 0);
-       E1000_WRITE_REG(hw, E1000_SPQF(filter->index), 0);
-       E1000_WRITE_REG(hw, E1000_IMIR(filter->index), 0);
-       E1000_WRITE_REG(hw, E1000_IMIREXT(filter->index), 0);
        return 0;
 }
 
@@ -4407,7 +4515,7 @@ eth_igb_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
  *    - On success, zero.
  *    - On failure, a negative value.
  */
-static int
+int
 igb_add_del_ntuple_filter(struct rte_eth_dev *dev,
                        struct rte_eth_ntuple_filter *ntuple_filter,
                        bool add)
@@ -4429,7 +4537,9 @@ igb_add_del_ntuple_filter(struct rte_eth_dev *dev,
                break;
        case RTE_2TUPLE_FLAGS:
        case (RTE_2TUPLE_FLAGS | RTE_NTUPLE_FLAGS_TCP_FLAG):
-               if (hw->mac.type != e1000_82580 && hw->mac.type != e1000_i350)
+               if (hw->mac.type != e1000_82580 && hw->mac.type != e1000_i350 &&
+                       hw->mac.type != e1000_i210 &&
+                       hw->mac.type != e1000_i211)
                        return -ENOTSUP;
                if (add)
                        ret = igb_add_2tuple_filter(dev, ntuple_filter);
@@ -4571,7 +4681,7 @@ igb_ethertype_filter_lookup(struct e1000_filter_info *filter_info,
        int i;
 
        for (i = 0; i < E1000_MAX_ETQF_FILTERS; i++) {
-               if (filter_info->ethertype_filters[i] == ethertype &&
+               if (filter_info->ethertype_filters[i].ethertype == ethertype &&
                    (filter_info->ethertype_mask & (1 << i)))
                        return i;
        }
@@ -4580,33 +4690,35 @@ igb_ethertype_filter_lookup(struct e1000_filter_info *filter_info,
 
 static inline int
 igb_ethertype_filter_insert(struct e1000_filter_info *filter_info,
-                       uint16_t ethertype)
+                       uint16_t ethertype, uint32_t etqf)
 {
        int i;
 
        for (i = 0; i < E1000_MAX_ETQF_FILTERS; i++) {
                if (!(filter_info->ethertype_mask & (1 << i))) {
                        filter_info->ethertype_mask |= 1 << i;
-                       filter_info->ethertype_filters[i] = ethertype;
+                       filter_info->ethertype_filters[i].ethertype = ethertype;
+                       filter_info->ethertype_filters[i].etqf = etqf;
                        return i;
                }
        }
        return -1;
 }
 
-static inline int
+int
 igb_ethertype_filter_remove(struct e1000_filter_info *filter_info,
                        uint8_t idx)
 {
        if (idx >= E1000_MAX_ETQF_FILTERS)
                return -1;
        filter_info->ethertype_mask &= ~(1 << idx);
-       filter_info->ethertype_filters[idx] = 0;
+       filter_info->ethertype_filters[idx].ethertype = 0;
+       filter_info->ethertype_filters[idx].etqf = 0;
        return idx;
 }
 
 
-static int
+int
 igb_add_del_ethertype_filter(struct rte_eth_dev *dev,
                        struct rte_eth_ethertype_filter *filter,
                        bool add)
@@ -4646,16 +4758,15 @@ igb_add_del_ethertype_filter(struct rte_eth_dev *dev,
        }
 
        if (add) {
+               etqf |= E1000_ETQF_FILTER_ENABLE | E1000_ETQF_QUEUE_ENABLE;
+               etqf |= (uint32_t)(filter->ether_type & E1000_ETQF_ETHERTYPE);
+               etqf |= filter->queue << E1000_ETQF_QUEUE_SHIFT;
                ret = igb_ethertype_filter_insert(filter_info,
-                       filter->ether_type);
+                               filter->ether_type, etqf);
                if (ret < 0) {
                        PMD_DRV_LOG(ERR, "ethertype filters are full.");
                        return -ENOSYS;
                }
-
-               etqf |= E1000_ETQF_FILTER_ENABLE | E1000_ETQF_QUEUE_ENABLE;
-               etqf |= (uint32_t)(filter->ether_type & E1000_ETQF_ETHERTYPE);
-               etqf |= filter->queue << E1000_ETQF_QUEUE_SHIFT;
        } else {
                ret = igb_ethertype_filter_remove(filter_info, (uint8_t)ret);
                if (ret < 0)
@@ -4750,7 +4861,7 @@ eth_igb_filter_ctrl(struct rte_eth_dev *dev,
                     enum rte_filter_op filter_op,
                     void *arg)
 {
-       int ret = -EINVAL;
+       int ret = 0;
 
        switch (filter_type) {
        case RTE_ETH_FILTER_NTUPLE:
@@ -4765,6 +4876,11 @@ eth_igb_filter_ctrl(struct rte_eth_dev *dev,
        case RTE_ETH_FILTER_FLEXIBLE:
                ret = eth_igb_flex_filter_handle(dev, filter_op, arg);
                break;
+       case RTE_ETH_FILTER_GENERIC:
+               if (filter_op != RTE_ETH_FILTER_GET)
+                       return -EINVAL;
+               *(const void **)arg = &igb_flow_ops;
+               break;
        default:
                PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
                                                        filter_type);
@@ -5417,6 +5533,84 @@ eth_igb_configure_msix_intr(struct rte_eth_dev *dev)
        E1000_WRITE_FLUSH(hw);
 }
 
+/* restore n-tuple filter */
+static inline void
+igb_ntuple_filter_restore(struct rte_eth_dev *dev)
+{
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+       struct e1000_5tuple_filter *p_5tuple;
+       struct e1000_2tuple_filter *p_2tuple;
+
+       TAILQ_FOREACH(p_5tuple, &filter_info->fivetuple_list, entries) {
+               igb_inject_5tuple_filter_82576(dev, p_5tuple);
+       }
+
+       TAILQ_FOREACH(p_2tuple, &filter_info->twotuple_list, entries) {
+               igb_inject_2uple_filter(dev, p_2tuple);
+       }
+}
+
+/* restore SYN filter */
+static inline void
+igb_syn_filter_restore(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+       uint32_t synqf;
+
+       synqf = filter_info->syn_info;
+
+       if (synqf & E1000_SYN_FILTER_ENABLE) {
+               E1000_WRITE_REG(hw, E1000_SYNQF(0), synqf);
+               E1000_WRITE_FLUSH(hw);
+       }
+}
+
+/* restore ethernet type filter */
+static inline void
+igb_ethertype_filter_restore(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+       int i;
+
+       for (i = 0; i < E1000_MAX_ETQF_FILTERS; i++) {
+               if (filter_info->ethertype_mask & (1 << i)) {
+                       E1000_WRITE_REG(hw, E1000_ETQF(i),
+                               filter_info->ethertype_filters[i].etqf);
+                       E1000_WRITE_FLUSH(hw);
+               }
+       }
+}
+
+/* restore flex byte filter */
+static inline void
+igb_flex_filter_restore(struct rte_eth_dev *dev)
+{
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+       struct e1000_flex_filter *flex_filter;
+
+       TAILQ_FOREACH(flex_filter, &filter_info->flex_list, entries) {
+               igb_inject_flex_filter(dev, flex_filter);
+       }
+}
+
+/* restore all types filter */
+static int
+igb_filter_restore(struct rte_eth_dev *dev)
+{
+       igb_ntuple_filter_restore(dev);
+       igb_ethertype_filter_restore(dev);
+       igb_syn_filter_restore(dev);
+       igb_flex_filter_restore(dev);
+
+       return 0;
+}
+
 RTE_PMD_REGISTER_PCI(net_e1000_igb, rte_igb_pmd);
 RTE_PMD_REGISTER_PCI_TABLE(net_e1000_igb, pci_id_igb_map);
 RTE_PMD_REGISTER_KMOD_DEP(net_e1000_igb, "* igb_uio | uio_pci_generic | vfio-pci");