+ const __m128i desc_mask = _mm_set_epi32(0x30f0, 0x30f0,
+ 0x30f0, 0x30f0);
+ const __m128i cksum_mask = _mm_set_epi32(PKT_RX_IP_CKSUM_MASK |
+ PKT_RX_L4_CKSUM_MASK |
+ PKT_RX_OUTER_L4_CKSUM_MASK |
+ PKT_RX_OUTER_IP_CKSUM_BAD,
+ PKT_RX_IP_CKSUM_MASK |
+ PKT_RX_L4_CKSUM_MASK |
+ PKT_RX_OUTER_L4_CKSUM_MASK |
+ PKT_RX_OUTER_IP_CKSUM_BAD,
+ PKT_RX_IP_CKSUM_MASK |
+ PKT_RX_L4_CKSUM_MASK |
+ PKT_RX_OUTER_L4_CKSUM_MASK |
+ PKT_RX_OUTER_IP_CKSUM_BAD,
+ PKT_RX_IP_CKSUM_MASK |
+ PKT_RX_L4_CKSUM_MASK |
+ PKT_RX_OUTER_L4_CKSUM_MASK |
+ PKT_RX_OUTER_IP_CKSUM_BAD);
+
+ /* map the checksum, rss and vlan fields to the checksum, rss
+ * and vlan flag
+ */
+ const __m128i cksum_flags =
+ _mm_set_epi8((PKT_RX_OUTER_L4_CKSUM_BAD >> 20 |
+ PKT_RX_OUTER_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD |
+ PKT_RX_IP_CKSUM_BAD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD |
+ PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_GOOD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD |
+ PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_BAD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD |
+ PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_GOOD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_L4_CKSUM_BAD |
+ PKT_RX_IP_CKSUM_BAD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_L4_CKSUM_BAD |
+ PKT_RX_IP_CKSUM_GOOD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_L4_CKSUM_GOOD |
+ PKT_RX_IP_CKSUM_BAD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_L4_CKSUM_GOOD |
+ PKT_RX_IP_CKSUM_GOOD) >> 1,
+ /**
+ * shift right 20 bits to use the low two bits to indicate
+ * outer checksum status
+ * shift right 1 bit to make sure it not exceed 255
+ */
+ (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD |
+ PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD |
+ PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_GOOD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD |
+ PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_BAD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_OUTER_IP_CKSUM_BAD |
+ PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_GOOD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_L4_CKSUM_BAD |
+ PKT_RX_IP_CKSUM_BAD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_L4_CKSUM_BAD |
+ PKT_RX_IP_CKSUM_GOOD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_L4_CKSUM_GOOD |
+ PKT_RX_IP_CKSUM_BAD) >> 1,
+ (PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_L4_CKSUM_GOOD |
+ PKT_RX_IP_CKSUM_GOOD) >> 1);
+
+ const __m128i rss_vlan_flags = _mm_set_epi8(0, 0, 0, 0,