Enable bad checksum flags in i40e vPMD

Signed-off-by: Damjan Marion <damarion@cisco.com>

Author: dmarion

drivers/net/i40e/i40e_rxtx_vec.c

@@ -138,18 +138,13 @@ i40e_rxq_rearm(struct i40e_rx_queue *rxq)
 static inline void
 desc_to_olflags_v(__m128i descs[4], struct rte_mbuf **rx_pkts)
 {
-	__m128i vlan0, vlan1, rss;
-	union {
-		uint16_t e[4];
-		uint64_t dword;
-	} vol;
+	__m128i vlan0, vlan1, rss, l3_l4e;
 
 	/* mask everything except rss and vlan flags
 	*bit2 is for vlan tag, bits 13:12 for rss
 	*/
-	const __m128i rss_vlan_msk = _mm_set_epi16(
-			0x0000, 0x0000, 0x0000, 0x0000,
-			0x3004, 0x3004, 0x3004, 0x3004);
+	const __m128i rss_vlan_msk = _mm_set_epi32(
+			0x1c03004, 0x1c03004, 0x1c03004, 0x1c03004);
 
 	/* map rss and vlan type to rss hash and vlan flag */
 	const __m128i vlan_flags = _mm_set_epi8(0, 0, 0, 0,
@@ -162,23 +157,36 @@ desc_to_olflags_v(__m128i descs[4], struct rte_mbuf **rx_pkts)
 			0, 0, 0, 0,
 			PKT_RX_FDIR, 0, PKT_RX_RSS_HASH, 0);
 
-	vlan0 = _mm_unpackhi_epi16(descs[0], descs[1]);
-	vlan1 = _mm_unpackhi_epi16(descs[2], descs[3]);
-	vlan0 = _mm_unpacklo_epi32(vlan0, vlan1);
+	const __m128i l3_l4e_flags = _mm_set_epi8(0, 0, 0, 0, 0, 0, 0, 0,
+			PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD,
+			PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD,
+			PKT_RX_EIP_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD,
+			PKT_RX_EIP_CKSUM_BAD,
+			PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD,
+			PKT_RX_L4_CKSUM_BAD,
+			PKT_RX_IP_CKSUM_BAD,
+			0);
+
+	vlan0 = _mm_unpackhi_epi32(descs[0], descs[1]);
+	vlan1 = _mm_unpackhi_epi32(descs[2], descs[3]);
+	vlan0 = _mm_unpacklo_epi64(vlan0, vlan1);
 
 	vlan1 = _mm_and_si128(vlan0, rss_vlan_msk);
 	vlan0 = _mm_shuffle_epi8(vlan_flags, vlan1);
 
-	rss = _mm_srli_epi16(vlan1, 12);
+	rss = _mm_srli_epi32(vlan1, 12);
 	rss = _mm_shuffle_epi8(rss_flags, rss);
 
+	l3_l4e = _mm_srli_epi32(vlan1, 22);
+	l3_l4e = _mm_shuffle_epi8(l3_l4e_flags, l3_l4e);
+
 	vlan0 = _mm_or_si128(vlan0, rss);
-	vol.dword = _mm_cvtsi128_si64(vlan0);
+	vlan0 = _mm_or_si128(vlan0, l3_l4e);
 
-	rx_pkts[0]->ol_flags = vol.e[0];
-	rx_pkts[1]->ol_flags = vol.e[1];
-	rx_pkts[2]->ol_flags = vol.e[2];
-	rx_pkts[3]->ol_flags = vol.e[3];
+	rx_pkts[0]->ol_flags = _mm_extract_epi16(vlan0, 0);
+	rx_pkts[1]->ol_flags = _mm_extract_epi16(vlan0, 2);
+	rx_pkts[2]->ol_flags = _mm_extract_epi16(vlan0, 4);
+	rx_pkts[3]->ol_flags = _mm_extract_epi16(vlan0, 6);
 }
 #else
 #define desc_to_olflags_v(desc, rx_pkts) do {} while (0)