[dpdk-dev] [PATCH] net/iavf: fix pkt len parsing in AVX512
Leyi Rong
leyi.rong at intel.com
Wed Mar 17 10:17:56 CET 2021
Fix pkt_len parsing when DEV_RX_OFFLOAD_KEEP_CRC is set in AVX512 path.
Fixes: 31737f2b66fb ("net/iavf: enable AVX512 for legacy Rx")
Fixes: 6df587028e57 ("net/iavf: enable AVX512 for flexible Rx")
Signed-off-by: Leyi Rong <leyi.rong at intel.com>
---
drivers/net/iavf/iavf_rxtx_vec_avx512.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/net/iavf/iavf_rxtx_vec_avx512.c b/drivers/net/iavf/iavf_rxtx_vec_avx512.c
index 5cb4c7cda6..67184ae3f4 100644
--- a/drivers/net/iavf/iavf_rxtx_vec_avx512.c
+++ b/drivers/net/iavf/iavf_rxtx_vec_avx512.c
@@ -380,7 +380,7 @@ _iavf_recv_raw_pkts_vec_avx512(struct iavf_rx_queue *rxq,
len4_7);
__m512i mb4_7 = _mm512_shuffle_epi8(desc4_7, shuf_msk);
- mb4_7 = _mm512_add_epi16(mb4_7, crc_adjust);
+ mb4_7 = _mm512_add_epi32(mb4_7, crc_adjust);
/**
* to get packet types, shift 64-bit values down 30 bits
* and so ptype is in lower 8-bits in each
@@ -411,7 +411,7 @@ _iavf_recv_raw_pkts_vec_avx512(struct iavf_rx_queue *rxq,
len0_3);
__m512i mb0_3 = _mm512_shuffle_epi8(desc0_3, shuf_msk);
- mb0_3 = _mm512_add_epi16(mb0_3, crc_adjust);
+ mb0_3 = _mm512_add_epi32(mb0_3, crc_adjust);
/* get the packet types */
const __m512i ptypes0_3 = _mm512_srli_epi64(desc0_3, 30);
const __m256i ptypes2_3 = _mm512_extracti64x4_epi64(ptypes0_3, 1);
@@ -869,7 +869,7 @@ _iavf_recv_raw_pkts_vec_avx512_flex_rxd(struct iavf_rx_queue *rxq,
*/
__m512i mb4_7 = _mm512_shuffle_epi8(raw_desc4_7, shuf_msk);
- mb4_7 = _mm512_add_epi16(mb4_7, crc_adjust);
+ mb4_7 = _mm512_add_epi32(mb4_7, crc_adjust);
/**
* to get packet types, ptype is located in bit16-25
* of each 128bits
@@ -898,7 +898,7 @@ _iavf_recv_raw_pkts_vec_avx512_flex_rxd(struct iavf_rx_queue *rxq,
*/
__m512i mb0_3 = _mm512_shuffle_epi8(raw_desc0_3, shuf_msk);
- mb0_3 = _mm512_add_epi16(mb0_3, crc_adjust);
+ mb0_3 = _mm512_add_epi32(mb0_3, crc_adjust);
/**
* to get packet types, ptype is located in bit16-25
* of each 128bits
--
2.25.1
More information about the dev
mailing list