From: Leyi Rong Date: Wed, 17 Mar 2021 09:17:56 +0000 (+0800) Subject: net/iavf: fix packet length parsing in AVX512 X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=fecbc64cb3647531062a8b97bd62a98bee05e773;p=dpdk.git net/iavf: fix packet length parsing in AVX512 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 Tested-by: David Coyle --- 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