+/* 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 rss filter */
+static inline void
+igb_rss_filter_restore(struct rte_eth_dev *dev)
+{
+ struct e1000_filter_info *filter_info =
+ E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+
+ if (filter_info->rss_info.conf.queue_num)
+ igb_config_rss_filter(dev, &filter_info->rss_info, TRUE);
+}
+
+/* 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);
+ igb_rss_filter_restore(dev);
+
+ return 0;
+}
+