+/* 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;
+ }
+}
+