net/iavf: fix packet length parsing in AVX512
authorLeyi Rong <leyi.rong@intel.com>
Wed, 17 Mar 2021 09:17:56 +0000 (17:17 +0800)
committerQi Zhang <qi.z.zhang@intel.com>
Mon, 29 Mar 2021 23:17:15 +0000 (01:17 +0200)
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")
Cc: stable@dpdk.org
Signed-off-by: Leyi Rong <leyi.rong@intel.com>
Tested-by: David Coyle <david.coyle@intel.com>
drivers/net/iavf/iavf_rxtx_vec_avx512.c

index 5cb4c7c..67184ae 100644 (file)
@@ -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