[dpdk-dev] [PATCH v3] net/ice: fix outher chksum on cvl unknown

Murphy Yang murphyx.yang at intel.com
Tue Oct 27 07:09:24 CET 2020


From: murphy <murphyx.yang at intel.com>

When set 'csum set outer-udp hw 0' ,support for
ICE_RX_FLEX_DESC_STATUS0_XSUM_EUDPE_S,mark the packet
PKT_RX_OUTER_L4_CKSUM_BAD or PKT_RX_OUTER_L4_CKSUM_GOOD.

Fixes: dbf3c0e77a22 ("net/ice: handle Rx flex descriptor")
Fixes: 4ab7dbb0a0f6 ("net/ice: switch to Rx flexible descriptor in AVX path")
Fixes: ece1f8a8f1c8 ("net/ice: switch to flexible descriptor in SSE path")

Signed-off-by: murphy <murphyx.yang at intel.com>

v2:
- cover vector path

v3:
- add PKT_RX_OUTER_L4_CKSUM_GOOD in vector path.
- rename some variable name.

---
 drivers/net/ice/ice_rxtx.c          |   5 ++
 drivers/net/ice/ice_rxtx_vec_avx2.c | 117 ++++++++++++++++++++--------
 drivers/net/ice/ice_rxtx_vec_sse.c  |  75 +++++++++++++-----
 3 files changed, 144 insertions(+), 53 deletions(-)

diff --git a/drivers/net/ice/ice_rxtx.c b/drivers/net/ice/ice_rxtx.c
index 93a0ac691..e74741732 100644
--- a/drivers/net/ice/ice_rxtx.c
+++ b/drivers/net/ice/ice_rxtx.c
@@ -1424,6 +1424,11 @@ ice_rxd_error_to_pkt_flags(uint16_t stat_err0)
 	if (unlikely(stat_err0 & (1 << ICE_RX_FLEX_DESC_STATUS0_XSUM_EIPE_S)))
 		flags |= PKT_RX_EIP_CKSUM_BAD;
 
+	if (unlikely(stat_err0 & (1 << ICE_RX_FLEX_DESC_STATUS0_XSUM_EUDPE_S)))
+		flags |= PKT_RX_OUTER_L4_CKSUM_BAD;
+	else
+		flags |= PKT_RX_OUTER_L4_CKSUM_GOOD;
+
 	return flags;
 }
 
diff --git a/drivers/net/ice/ice_rxtx_vec_avx2.c b/drivers/net/ice/ice_rxtx_vec_avx2.c
index 5969a3048..edf681113 100644
--- a/drivers/net/ice/ice_rxtx_vec_avx2.c
+++ b/drivers/net/ice/ice_rxtx_vec_avx2.c
@@ -251,43 +251,86 @@ _ice_recv_raw_pkts_vec_avx2(struct ice_rx_queue *rxq, struct rte_mbuf **rx_pkts,
 	 * bit13 is for VLAN indication.
 	 */
 	const __m256i flags_mask =
-		 _mm256_set1_epi32((7 << 4) | (1 << 12) | (1 << 13));
+		 _mm256_set1_epi32((0xF << 4) | (1 << 12) | (1 << 13));
 	/**
 	 * data to be shuffled by the result of the flags mask shifted by 4
 	 * bits.  This gives use the l3_l4 flags.
 	 */
-	const __m256i l3_l4_flags_shuf = _mm256_set_epi8(0, 0, 0, 0, 0, 0, 0, 0,
-			/* shift right 1 bit to make sure it not exceed 255 */
-			(PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD |
-			 PKT_RX_IP_CKSUM_BAD) >> 1,
-			(PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD |
-			 PKT_RX_IP_CKSUM_GOOD) >> 1,
-			(PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_GOOD |
-			 PKT_RX_IP_CKSUM_BAD) >> 1,
-			(PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_GOOD |
-			 PKT_RX_IP_CKSUM_GOOD) >> 1,
-			(PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD) >> 1,
-			(PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_GOOD) >> 1,
-			(PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_BAD) >> 1,
-			(PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_GOOD) >> 1,
-			/* second 128-bits */
-			0, 0, 0, 0, 0, 0, 0, 0,
-			(PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD |
-			 PKT_RX_IP_CKSUM_BAD) >> 1,
-			(PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD |
-			 PKT_RX_IP_CKSUM_GOOD) >> 1,
-			(PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_GOOD |
-			 PKT_RX_IP_CKSUM_BAD) >> 1,
-			(PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_GOOD |
-			 PKT_RX_IP_CKSUM_GOOD) >> 1,
-			(PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD) >> 1,
-			(PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_GOOD) >> 1,
-			(PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_BAD) >> 1,
-			(PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_GOOD) >> 1);
+	const __m256i l3_l4_flags_shuf =
+		_mm256_set_epi8((PKT_RX_OUTER_L4_CKSUM_BAD >> 20 |
+		 PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD |
+		  PKT_RX_IP_CKSUM_BAD) >> 1,
+		(PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_EIP_CKSUM_BAD |
+		 PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_GOOD) >> 1,
+		(PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_EIP_CKSUM_BAD |
+		 PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_BAD) >> 1,
+		(PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_EIP_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,
+		(PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_EIP_CKSUM_BAD |
+		 PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD) >> 1,
+		(PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_EIP_CKSUM_BAD |
+		 PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_GOOD) >> 1,
+		(PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_EIP_CKSUM_BAD |
+		 PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_BAD) >> 1,
+		(PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_EIP_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,
+		/* second 128-bits */
+		/** shift right 20 bits to make sure it not exceed 255 and
+		 * use the low two bits to indicate outer checksum status
+		 */
+		(PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_EIP_CKSUM_BAD |
+		 PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD) >> 1,
+		(PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_EIP_CKSUM_BAD |
+		 PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_GOOD) >> 1,
+		(PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_EIP_CKSUM_BAD |
+		 PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_BAD) >> 1,
+		(PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_EIP_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,
+		(PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_EIP_CKSUM_BAD |
+		 PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD) >> 1,
+		(PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_EIP_CKSUM_BAD |
+		 PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_GOOD) >> 1,
+		(PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_EIP_CKSUM_BAD |
+		 PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_BAD) >> 1,
+		(PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_EIP_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 __m256i cksum_mask =
-		 _mm256_set1_epi32(PKT_RX_IP_CKSUM_GOOD | PKT_RX_IP_CKSUM_BAD |
-				   PKT_RX_L4_CKSUM_GOOD | PKT_RX_L4_CKSUM_BAD |
-				   PKT_RX_EIP_CKSUM_BAD);
+		 _mm256_set1_epi32(PKT_RX_IP_CKSUM_MASK |
+				   PKT_RX_L4_CKSUM_MASK |
+				   PKT_RX_EIP_CKSUM_BAD |
+				   PKT_RX_OUTER_L4_CKSUM_MASK);
 	/**
 	 * data to be shuffled by result of flag mask, shifted down 12.
 	 * If RSS(bit12)/VLAN(bit13) are set,
@@ -469,6 +512,16 @@ _ice_recv_raw_pkts_vec_avx2(struct ice_rx_queue *rxq, struct rte_mbuf **rx_pkts,
 		__m256i l3_l4_flags = _mm256_shuffle_epi8(l3_l4_flags_shuf,
 				_mm256_srli_epi32(flag_bits, 4));
 		l3_l4_flags = _mm256_slli_epi32(l3_l4_flags, 1);
+
+		__m256i l4_outer_mask = _mm256_set1_epi32(0x3);
+		__m256i l4_outer_flags =
+				_mm256_and_si256(l3_l4_flags, l4_outer_mask);
+		l4_outer_flags = _mm256_slli_epi32(l4_outer_flags, 20);
+
+		__m256i l3_mask = _mm256_set1_epi32(~0x3);
+		__m256i l3_flags = _mm256_and_si256(l3_l4_flags, l3_mask);
+		l3_l4_flags = _mm256_or_si256(l3_flags, l4_outer_flags);
+
 		l3_l4_flags = _mm256_and_si256(l3_l4_flags, cksum_mask);
 		/* set rss and vlan flags */
 		const __m256i rss_vlan_flag_bits =
diff --git a/drivers/net/ice/ice_rxtx_vec_sse.c b/drivers/net/ice/ice_rxtx_vec_sse.c
index c4c9a9126..b1581b908 100644
--- a/drivers/net/ice/ice_rxtx_vec_sse.c
+++ b/drivers/net/ice/ice_rxtx_vec_sse.c
@@ -114,39 +114,63 @@ ice_rx_desc_to_olflags_v(struct ice_rx_queue *rxq, __m128i descs[4],
 	 * bit12 for RSS indication.
 	 * bit13 for VLAN indication.
 	 */
-	const __m128i desc_mask = _mm_set_epi32(0x3070, 0x3070,
-						0x3070, 0x3070);
-
+	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_EIP_CKSUM_BAD,
 						 PKT_RX_IP_CKSUM_MASK |
 						 PKT_RX_L4_CKSUM_MASK |
+						 PKT_RX_OUTER_L4_CKSUM_MASK |
 						 PKT_RX_EIP_CKSUM_BAD,
 						 PKT_RX_IP_CKSUM_MASK |
 						 PKT_RX_L4_CKSUM_MASK |
+						 PKT_RX_OUTER_L4_CKSUM_MASK |
 						 PKT_RX_EIP_CKSUM_BAD,
 						 PKT_RX_IP_CKSUM_MASK |
 						 PKT_RX_L4_CKSUM_MASK |
+						 PKT_RX_OUTER_L4_CKSUM_MASK |
 						 PKT_RX_EIP_CKSUM_BAD);
 
 	/* map the checksum, rss and vlan fields to the checksum, rss
 	 * and vlan flag
 	 */
-	const __m128i cksum_flags = _mm_set_epi8(0, 0, 0, 0, 0, 0, 0, 0,
-			/* shift right 1 bit to make sure it not exceed 255 */
-			(PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD |
-			 PKT_RX_IP_CKSUM_BAD) >> 1,
-			(PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD |
-			 PKT_RX_IP_CKSUM_GOOD) >> 1,
-			(PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_GOOD |
-			 PKT_RX_IP_CKSUM_BAD) >> 1,
-			(PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_GOOD |
-			 PKT_RX_IP_CKSUM_GOOD) >> 1,
-			(PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD) >> 1,
-			(PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_GOOD) >> 1,
-			(PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_BAD) >> 1,
-			(PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_GOOD) >> 1);
+	const __m128i cksum_flags =
+		_mm_set_epi8((PKT_RX_OUTER_L4_CKSUM_BAD >> 20 |
+		 PKT_RX_EIP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD |
+		  PKT_RX_IP_CKSUM_BAD) >> 1,
+		(PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_EIP_CKSUM_BAD |
+		 PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_GOOD) >> 1,
+		(PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_EIP_CKSUM_BAD |
+		 PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_BAD) >> 1,
+		(PKT_RX_OUTER_L4_CKSUM_BAD >> 20 | PKT_RX_EIP_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 1 bit to make sure it not exceed 255 */
+		(PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_EIP_CKSUM_BAD |
+		 PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_BAD) >> 1,
+		(PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_EIP_CKSUM_BAD |
+		 PKT_RX_L4_CKSUM_BAD | PKT_RX_IP_CKSUM_GOOD) >> 1,
+		(PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_EIP_CKSUM_BAD |
+		 PKT_RX_L4_CKSUM_GOOD | PKT_RX_IP_CKSUM_BAD) >> 1,
+		(PKT_RX_OUTER_L4_CKSUM_GOOD >> 20 | PKT_RX_EIP_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,
 			0, 0, 0, 0,
@@ -166,6 +190,15 @@ ice_rx_desc_to_olflags_v(struct ice_rx_queue *rxq, __m128i descs[4],
 	flags = _mm_shuffle_epi8(cksum_flags, tmp_desc);
 	/* then we shift left 1 bit */
 	flags = _mm_slli_epi32(flags, 1);
+
+	__m128i l4_outer_mask = _mm_set_epi32(0x3, 0x3, 0x3, 0x3);
+	__m128i l4_outer_flags = _mm_and_si128(flags, l4_outer_mask);
+	l4_outer_flags = _mm_slli_epi32(l4_outer_flags, 20);
+
+	__m128i l3_mask = _mm_set_epi32(~0x3, ~0x3, ~0x3, ~0x3);
+	__m128i l3_flags = _mm_and_si128(flags, l3_mask);
+	flags = _mm_or_si128(l3_flags, l4_outer_flags);
+
 	/* we need to mask out the reduntant bits introduced by RSS or
 	 * VLAN fields.
 	 */
@@ -217,10 +250,10 @@ ice_rx_desc_to_olflags_v(struct ice_rx_queue *rxq, __m128i descs[4],
 	 * appropriate flags means that we have to do a shift and blend for
 	 * each mbuf before we do the write.
 	 */
-	rearm0 = _mm_blend_epi16(mbuf_init, _mm_slli_si128(flags, 8), 0x10);
-	rearm1 = _mm_blend_epi16(mbuf_init, _mm_slli_si128(flags, 4), 0x10);
-	rearm2 = _mm_blend_epi16(mbuf_init, flags, 0x10);
-	rearm3 = _mm_blend_epi16(mbuf_init, _mm_srli_si128(flags, 4), 0x10);
+	rearm0 = _mm_blend_epi32(mbuf_init, _mm_slli_si128(flags, 8), 0x04);
+	rearm1 = _mm_blend_epi32(mbuf_init, _mm_slli_si128(flags, 4), 0x04);
+	rearm2 = _mm_blend_epi32(mbuf_init, flags, 0x04);
+	rearm3 = _mm_blend_epi32(mbuf_init, _mm_srli_si128(flags, 4), 0x04);
 
 	/* write the rearm data and the olflags in one write */
 	RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, ol_flags) !=
-- 
2.17.1



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