From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 0991CA0C44; Mon, 12 Apr 2021 06:29:20 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 8B8C41414DC; Mon, 12 Apr 2021 06:29:09 +0200 (CEST) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by mails.dpdk.org (Postfix) with ESMTP id EAD971414D3 for ; Mon, 12 Apr 2021 06:29:07 +0200 (CEST) IronPort-SDR: od3FzsOGG7Xhuv4EeFR1zmKjesV5u9cNEJDG1iGaRc5npoXPQwP1hER1sSlIaSOa7H3AxQBuvW QibmysoO5Eyw== X-IronPort-AV: E=McAfee;i="6000,8403,9951"; a="279403763" X-IronPort-AV: E=Sophos;i="5.82,214,1613462400"; d="scan'208";a="279403763" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Apr 2021 21:29:06 -0700 IronPort-SDR: CqGLQUG6/d3fhiAFgVPOafmPhOu886iUU2X9mfmpJ37Wm5BDgF0cWQIYiQJnBsVyNokidYh630 fuNfaVRIZfCw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,214,1613462400"; d="scan'208";a="417207955" Received: from dpdk-lrong-srv-04.sh.intel.com ([10.67.119.221]) by fmsmga008.fm.intel.com with ESMTP; 11 Apr 2021 21:29:05 -0700 From: Leyi Rong To: qi.z.zhang@intel.com, wenzhuo.lu@intel.com Cc: dev@dpdk.org, Leyi Rong Date: Mon, 12 Apr 2021 12:03:59 +0800 Message-Id: <20210412040359.105946-3-leyi.rong@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210412040359.105946-1-leyi.rong@intel.com> References: <20210317091409.11725-1-leyi.rong@intel.com> <20210412040359.105946-1-leyi.rong@intel.com> Subject: [dpdk-dev] [PATCH v3 2/2] net/ice: add Rx AVX512 offload path X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Split AVX512 Rx data path into two, one is for basic, the other one can support additional Rx offload features, including Rx checksum offload, Rx vlan offload, RSS offload. Signed-off-by: Leyi Rong Signed-off-by: Wenzhuo Lu --- drivers/net/ice/ice_rxtx.c | 50 +++- drivers/net/ice/ice_rxtx.h | 7 + drivers/net/ice/ice_rxtx_vec_avx512.c | 345 +++++++++++++++++--------- drivers/net/ice/ice_rxtx_vec_common.h | 50 ++-- 4 files changed, 298 insertions(+), 154 deletions(-) diff --git a/drivers/net/ice/ice_rxtx.c b/drivers/net/ice/ice_rxtx.c index d7c1e2164b..328dac0dfa 100644 --- a/drivers/net/ice/ice_rxtx.c +++ b/drivers/net/ice/ice_rxtx.c @@ -1059,6 +1059,7 @@ ice_rx_queue_setup(struct rte_eth_dev *dev, uint32_t ring_size; uint16_t len; int use_def_burst_func = 1; + uint64_t offloads; if (nb_desc % ICE_ALIGN_RING_DESC != 0 || nb_desc > ICE_MAX_RING_DESC || @@ -1068,6 +1069,8 @@ ice_rx_queue_setup(struct rte_eth_dev *dev, return -EINVAL; } + offloads = rx_conf->offloads | dev->data->dev_conf.rxmode.offloads; + /* Free memory if needed */ if (dev->data->rx_queues[queue_idx]) { ice_rx_queue_release(dev->data->rx_queues[queue_idx]); @@ -1088,6 +1091,7 @@ ice_rx_queue_setup(struct rte_eth_dev *dev, rxq->nb_rx_desc = nb_desc; rxq->rx_free_thresh = rx_conf->rx_free_thresh; rxq->queue_id = queue_idx; + rxq->offloads = offloads; rxq->reg_idx = vsi->base_queue + queue_idx; rxq->port_id = dev->data->port_id; @@ -1990,7 +1994,9 @@ ice_dev_supported_ptypes_get(struct rte_eth_dev *dev) dev->rx_pkt_burst == ice_recv_scattered_pkts_vec || #ifdef CC_AVX512_SUPPORT dev->rx_pkt_burst == ice_recv_pkts_vec_avx512 || + dev->rx_pkt_burst == ice_recv_pkts_vec_avx512_offload || dev->rx_pkt_burst == ice_recv_scattered_pkts_vec_avx512 || + dev->rx_pkt_burst == ice_recv_scattered_pkts_vec_avx512_offload || #endif dev->rx_pkt_burst == ice_recv_pkts_vec_avx2 || dev->rx_pkt_burst == ice_recv_scattered_pkts_vec_avx2) @@ -3052,12 +3058,14 @@ ice_set_rx_function(struct rte_eth_dev *dev) #ifdef RTE_ARCH_X86 struct ice_rx_queue *rxq; int i; + int rx_check_ret; bool use_avx512 = false; bool use_avx2 = false; if (rte_eal_process_type() == RTE_PROC_PRIMARY) { - if (!ice_rx_vec_dev_check(dev) && ad->rx_bulk_alloc_allowed && - rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_128) { + rx_check_ret = ice_rx_vec_dev_check(dev); + if (rx_check_ret >= 0 && ad->rx_bulk_alloc_allowed && + rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_128) { ad->rx_vec_allowed = true; for (i = 0; i < dev->data->nb_rx_queues; i++) { rxq = dev->data->rx_queues[i]; @@ -3091,11 +3099,19 @@ ice_set_rx_function(struct rte_eth_dev *dev) if (dev->data->scattered_rx) { if (use_avx512) { #ifdef CC_AVX512_SUPPORT - PMD_DRV_LOG(NOTICE, - "Using AVX512 Vector Scattered Rx (port %d).", - dev->data->port_id); - dev->rx_pkt_burst = - ice_recv_scattered_pkts_vec_avx512; + if (rx_check_ret == ICE_VECTOR_OFFLOAD_PATH) { + PMD_DRV_LOG(NOTICE, + "Using AVX512 OFFLOAD Vector Scattered Rx (port %d).", + dev->data->port_id); + dev->rx_pkt_burst = + ice_recv_scattered_pkts_vec_avx512_offload; + } else { + PMD_DRV_LOG(NOTICE, + "Using AVX512 Vector Scattered Rx (port %d).", + dev->data->port_id); + dev->rx_pkt_burst = + ice_recv_scattered_pkts_vec_avx512; + } #endif } else { PMD_DRV_LOG(DEBUG, @@ -3109,11 +3125,19 @@ ice_set_rx_function(struct rte_eth_dev *dev) } else { if (use_avx512) { #ifdef CC_AVX512_SUPPORT - PMD_DRV_LOG(NOTICE, - "Using AVX512 Vector Rx (port %d).", - dev->data->port_id); - dev->rx_pkt_burst = - ice_recv_pkts_vec_avx512; + if (rx_check_ret == ICE_VECTOR_OFFLOAD_PATH) { + PMD_DRV_LOG(NOTICE, + "Using AVX512 OFFLOAD Vector Rx (port %d).", + dev->data->port_id); + dev->rx_pkt_burst = + ice_recv_pkts_vec_avx512_offload; + } else { + PMD_DRV_LOG(NOTICE, + "Using AVX512 Vector Rx (port %d).", + dev->data->port_id); + dev->rx_pkt_burst = + ice_recv_pkts_vec_avx512; + } #endif } else { PMD_DRV_LOG(DEBUG, @@ -3162,7 +3186,9 @@ static const struct { #ifdef RTE_ARCH_X86 #ifdef CC_AVX512_SUPPORT { ice_recv_scattered_pkts_vec_avx512, "Vector AVX512 Scattered" }, + { ice_recv_scattered_pkts_vec_avx512_offload, "Offload Vector AVX512 Scattered" }, { ice_recv_pkts_vec_avx512, "Vector AVX512" }, + { ice_recv_pkts_vec_avx512_offload, "Offload Vector AVX512" }, #endif { ice_recv_scattered_pkts_vec_avx2, "Vector AVX2 Scattered" }, { ice_recv_pkts_vec_avx2, "Vector AVX2" }, diff --git a/drivers/net/ice/ice_rxtx.h b/drivers/net/ice/ice_rxtx.h index f72fad0255..b29387ca0f 100644 --- a/drivers/net/ice/ice_rxtx.h +++ b/drivers/net/ice/ice_rxtx.h @@ -88,6 +88,7 @@ struct ice_rx_queue { uint64_t xtr_ol_flag; /* Protocol extraction offload flag */ ice_rxd_to_pkt_fields_t rxd_to_pkt_fields; /* handle FlexiMD by RXDID */ ice_rx_release_mbufs_t rx_rel_mbufs; + uint64_t offloads; }; struct ice_tx_entry { @@ -256,9 +257,15 @@ uint16_t ice_xmit_pkts_vec_avx2(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts); uint16_t ice_recv_pkts_vec_avx512(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts); +uint16_t ice_recv_pkts_vec_avx512_offload(void *rx_queue, + struct rte_mbuf **rx_pkts, + uint16_t nb_pkts); uint16_t ice_recv_scattered_pkts_vec_avx512(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts); +uint16_t ice_recv_scattered_pkts_vec_avx512_offload(void *rx_queue, + struct rte_mbuf **rx_pkts, + uint16_t nb_pkts); uint16_t ice_xmit_pkts_vec_avx512(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts); uint16_t ice_xmit_pkts_vec_avx512_offload(void *tx_queue, diff --git a/drivers/net/ice/ice_rxtx_vec_avx512.c b/drivers/net/ice/ice_rxtx_vec_avx512.c index 27b8ccd67f..36a3a95580 100644 --- a/drivers/net/ice/ice_rxtx_vec_avx512.c +++ b/drivers/net/ice/ice_rxtx_vec_avx512.c @@ -147,10 +147,12 @@ ice_flex_rxd_to_fdir_flags_vec_avx512(const __m256i fdir_id0_7) return fdir_flags; } -static inline uint16_t +static __rte_always_inline uint16_t _ice_recv_raw_pkts_vec_avx512(struct ice_rx_queue *rxq, struct rte_mbuf **rx_pkts, - uint16_t nb_pkts, uint8_t *split_packet) + uint16_t nb_pkts, + uint8_t *split_packet, + bool do_offload) { const uint32_t *ptype_tbl = rxq->vsi->adapter->ptype_tbl; const __m256i mbuf_init = _mm256_set_epi64x(0, 0, @@ -221,6 +223,7 @@ _ice_recv_raw_pkts_vec_avx512(struct ice_rx_queue *rxq, RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, hash) != offsetof(struct rte_mbuf, rx_descriptor_fields1) + 12); + /* following code block is for Rx Checksum Offload */ /* Status/Error flag masks */ /** * mask everything except Checksum Reports, RSS indication @@ -484,37 +487,42 @@ _ice_recv_raw_pkts_vec_avx512(struct ice_rx_queue *rxq, __m256i status0_7 = _mm512_extracti64x4_epi64 (raw_status0_7, 0); - /* now do flag manipulation */ + __m256i mbuf_flags = _mm256_set1_epi32(0); - /* get only flag/error bits we want */ - const __m256i flag_bits = - _mm256_and_si256(status0_7, flags_mask); - /** - * l3_l4_error flags, shuffle, then shift to correct adjustment - * of flags in flags_shuf, and finally mask out extra bits - */ - __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(0x6); - __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_l4_mask = _mm256_set1_epi32(~0x6); - l3_l4_flags = _mm256_and_si256(l3_l4_flags, l3_l4_mask); - l3_l4_flags = _mm256_or_si256(l3_l4_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 = - _mm256_srli_epi32(flag_bits, 12); - const __m256i rss_vlan_flags = - _mm256_shuffle_epi8(rss_vlan_flags_shuf, - rss_vlan_flag_bits); - - /* merge flags */ - __m256i mbuf_flags = _mm256_or_si256(l3_l4_flags, + if (do_offload) { + /* now do flag manipulation */ + + /* get only flag/error bits we want */ + const __m256i flag_bits = + _mm256_and_si256(status0_7, flags_mask); + /** + * l3_l4_error flags, shuffle, then shift to correct adjustment + * of flags in flags_shuf, and finally mask out extra bits + */ + __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(0x6); + __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_l4_mask = _mm256_set1_epi32(~0x6); + + l3_l4_flags = _mm256_and_si256(l3_l4_flags, l3_l4_mask); + l3_l4_flags = _mm256_or_si256(l3_l4_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 = + _mm256_srli_epi32(flag_bits, 12); + const __m256i rss_vlan_flags = + _mm256_shuffle_epi8(rss_vlan_flags_shuf, + rss_vlan_flag_bits); + + /* merge flags */ + mbuf_flags = _mm256_or_si256(l3_l4_flags, rss_vlan_flags); + } if (rxq->fdir_enabled) { const __m256i fdir_id4_7 = @@ -526,12 +534,19 @@ _ice_recv_raw_pkts_vec_avx512(struct ice_rx_queue *rxq, const __m256i fdir_id0_7 = _mm256_unpackhi_epi64(fdir_id4_7, fdir_id0_3); - const __m256i fdir_flags = - ice_flex_rxd_to_fdir_flags_vec_avx512 - (fdir_id0_7); - - /* merge with fdir_flags */ - mbuf_flags = _mm256_or_si256(mbuf_flags, fdir_flags); + if (do_offload) { + const __m256i fdir_flags = + ice_flex_rxd_to_fdir_flags_vec_avx512 + (fdir_id0_7); + + /* merge with fdir_flags */ + mbuf_flags = _mm256_or_si256 + (mbuf_flags, fdir_flags); + } else { + mbuf_flags = + ice_flex_rxd_to_fdir_flags_vec_avx512 + (fdir_id0_7); + } /* write to mbuf: have to use scalar store here */ rx_pkts[i + 0]->hash.fdir.hi = @@ -559,95 +574,97 @@ _ice_recv_raw_pkts_vec_avx512(struct ice_rx_queue *rxq, _mm256_extract_epi32(fdir_id0_7, 4); } /* if() on fdir_enabled */ + if (do_offload) { #ifndef RTE_LIBRTE_ICE_16BYTE_RX_DESC - /** - * needs to load 2nd 16B of each desc for RSS hash parsing, - * will cause performance drop to get into this context. - */ - if (rxq->vsi->adapter->eth_dev->data->dev_conf.rxmode.offloads & - DEV_RX_OFFLOAD_RSS_HASH) { - /* load bottom half of every 32B desc */ - const __m128i raw_desc_bh7 = - _mm_load_si128 - ((void *)(&rxdp[7].wb.status_error1)); - rte_compiler_barrier(); - const __m128i raw_desc_bh6 = - _mm_load_si128 - ((void *)(&rxdp[6].wb.status_error1)); - rte_compiler_barrier(); - const __m128i raw_desc_bh5 = - _mm_load_si128 - ((void *)(&rxdp[5].wb.status_error1)); - rte_compiler_barrier(); - const __m128i raw_desc_bh4 = - _mm_load_si128 - ((void *)(&rxdp[4].wb.status_error1)); - rte_compiler_barrier(); - const __m128i raw_desc_bh3 = - _mm_load_si128 - ((void *)(&rxdp[3].wb.status_error1)); - rte_compiler_barrier(); - const __m128i raw_desc_bh2 = - _mm_load_si128 - ((void *)(&rxdp[2].wb.status_error1)); - rte_compiler_barrier(); - const __m128i raw_desc_bh1 = - _mm_load_si128 - ((void *)(&rxdp[1].wb.status_error1)); - rte_compiler_barrier(); - const __m128i raw_desc_bh0 = - _mm_load_si128 - ((void *)(&rxdp[0].wb.status_error1)); - - __m256i raw_desc_bh6_7 = - _mm256_inserti128_si256 - (_mm256_castsi128_si256(raw_desc_bh6), - raw_desc_bh7, 1); - __m256i raw_desc_bh4_5 = - _mm256_inserti128_si256 - (_mm256_castsi128_si256(raw_desc_bh4), - raw_desc_bh5, 1); - __m256i raw_desc_bh2_3 = - _mm256_inserti128_si256 - (_mm256_castsi128_si256(raw_desc_bh2), - raw_desc_bh3, 1); - __m256i raw_desc_bh0_1 = - _mm256_inserti128_si256 - (_mm256_castsi128_si256(raw_desc_bh0), - raw_desc_bh1, 1); - /** - * to shift the 32b RSS hash value to the - * highest 32b of each 128b before mask + * needs to load 2nd 16B of each desc for RSS hash parsing, + * will cause performance drop to get into this context. */ - __m256i rss_hash6_7 = - _mm256_slli_epi64(raw_desc_bh6_7, 32); - __m256i rss_hash4_5 = - _mm256_slli_epi64(raw_desc_bh4_5, 32); - __m256i rss_hash2_3 = - _mm256_slli_epi64(raw_desc_bh2_3, 32); - __m256i rss_hash0_1 = - _mm256_slli_epi64(raw_desc_bh0_1, 32); - - __m256i rss_hash_msk = - _mm256_set_epi32(0xFFFFFFFF, 0, 0, 0, - 0xFFFFFFFF, 0, 0, 0); - - rss_hash6_7 = _mm256_and_si256 - (rss_hash6_7, rss_hash_msk); - rss_hash4_5 = _mm256_and_si256 - (rss_hash4_5, rss_hash_msk); - rss_hash2_3 = _mm256_and_si256 - (rss_hash2_3, rss_hash_msk); - rss_hash0_1 = _mm256_and_si256 - (rss_hash0_1, rss_hash_msk); - - mb6_7 = _mm256_or_si256(mb6_7, rss_hash6_7); - mb4_5 = _mm256_or_si256(mb4_5, rss_hash4_5); - mb2_3 = _mm256_or_si256(mb2_3, rss_hash2_3); - mb0_1 = _mm256_or_si256(mb0_1, rss_hash0_1); - } /* if() on RSS hash parsing */ + if (rxq->vsi->adapter->eth_dev->data->dev_conf.rxmode.offloads & + DEV_RX_OFFLOAD_RSS_HASH) { + /* load bottom half of every 32B desc */ + const __m128i raw_desc_bh7 = + _mm_load_si128 + ((void *)(&rxdp[7].wb.status_error1)); + rte_compiler_barrier(); + const __m128i raw_desc_bh6 = + _mm_load_si128 + ((void *)(&rxdp[6].wb.status_error1)); + rte_compiler_barrier(); + const __m128i raw_desc_bh5 = + _mm_load_si128 + ((void *)(&rxdp[5].wb.status_error1)); + rte_compiler_barrier(); + const __m128i raw_desc_bh4 = + _mm_load_si128 + ((void *)(&rxdp[4].wb.status_error1)); + rte_compiler_barrier(); + const __m128i raw_desc_bh3 = + _mm_load_si128 + ((void *)(&rxdp[3].wb.status_error1)); + rte_compiler_barrier(); + const __m128i raw_desc_bh2 = + _mm_load_si128 + ((void *)(&rxdp[2].wb.status_error1)); + rte_compiler_barrier(); + const __m128i raw_desc_bh1 = + _mm_load_si128 + ((void *)(&rxdp[1].wb.status_error1)); + rte_compiler_barrier(); + const __m128i raw_desc_bh0 = + _mm_load_si128 + ((void *)(&rxdp[0].wb.status_error1)); + + __m256i raw_desc_bh6_7 = + _mm256_inserti128_si256 + (_mm256_castsi128_si256(raw_desc_bh6), + raw_desc_bh7, 1); + __m256i raw_desc_bh4_5 = + _mm256_inserti128_si256 + (_mm256_castsi128_si256(raw_desc_bh4), + raw_desc_bh5, 1); + __m256i raw_desc_bh2_3 = + _mm256_inserti128_si256 + (_mm256_castsi128_si256(raw_desc_bh2), + raw_desc_bh3, 1); + __m256i raw_desc_bh0_1 = + _mm256_inserti128_si256 + (_mm256_castsi128_si256(raw_desc_bh0), + raw_desc_bh1, 1); + + /** + * to shift the 32b RSS hash value to the + * highest 32b of each 128b before mask + */ + __m256i rss_hash6_7 = + _mm256_slli_epi64(raw_desc_bh6_7, 32); + __m256i rss_hash4_5 = + _mm256_slli_epi64(raw_desc_bh4_5, 32); + __m256i rss_hash2_3 = + _mm256_slli_epi64(raw_desc_bh2_3, 32); + __m256i rss_hash0_1 = + _mm256_slli_epi64(raw_desc_bh0_1, 32); + + __m256i rss_hash_msk = + _mm256_set_epi32(0xFFFFFFFF, 0, 0, 0, + 0xFFFFFFFF, 0, 0, 0); + + rss_hash6_7 = _mm256_and_si256 + (rss_hash6_7, rss_hash_msk); + rss_hash4_5 = _mm256_and_si256 + (rss_hash4_5, rss_hash_msk); + rss_hash2_3 = _mm256_and_si256 + (rss_hash2_3, rss_hash_msk); + rss_hash0_1 = _mm256_and_si256 + (rss_hash0_1, rss_hash_msk); + + mb6_7 = _mm256_or_si256(mb6_7, rss_hash6_7); + mb4_5 = _mm256_or_si256(mb4_5, rss_hash4_5); + mb2_3 = _mm256_or_si256(mb2_3, rss_hash2_3); + mb0_1 = _mm256_or_si256(mb0_1, rss_hash0_1); + } /* if() on RSS hash parsing */ #endif + } /** * At this point, we have the 8 sets of flags in the low 16-bits @@ -803,7 +820,19 @@ uint16_t ice_recv_pkts_vec_avx512(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts) { - return _ice_recv_raw_pkts_vec_avx512(rx_queue, rx_pkts, nb_pkts, NULL); + return _ice_recv_raw_pkts_vec_avx512(rx_queue, rx_pkts, nb_pkts, NULL, false); +} + +/** + * Notice: + * - nb_pkts < ICE_DESCS_PER_LOOP, just return no packet + */ +uint16_t +ice_recv_pkts_vec_avx512_offload(void *rx_queue, struct rte_mbuf **rx_pkts, + uint16_t nb_pkts) +{ + return _ice_recv_raw_pkts_vec_avx512(rx_queue, rx_pkts, + nb_pkts, NULL, true); } /** @@ -820,7 +849,49 @@ ice_recv_scattered_burst_vec_avx512(void *rx_queue, struct rte_mbuf **rx_pkts, /* get some new buffers */ uint16_t nb_bufs = _ice_recv_raw_pkts_vec_avx512(rxq, rx_pkts, nb_pkts, - split_flags); + split_flags, false); + if (nb_bufs == 0) + return 0; + + /* happy day case, full burst + no packets to be joined */ + const uint64_t *split_fl64 = (uint64_t *)split_flags; + + if (!rxq->pkt_first_seg && + split_fl64[0] == 0 && split_fl64[1] == 0 && + split_fl64[2] == 0 && split_fl64[3] == 0) + return nb_bufs; + + /* reassemble any packets that need reassembly */ + unsigned int i = 0; + + if (!rxq->pkt_first_seg) { + /* find the first split flag, and only reassemble then */ + while (i < nb_bufs && !split_flags[i]) + i++; + if (i == nb_bufs) + return nb_bufs; + rxq->pkt_first_seg = rx_pkts[i]; + } + return i + ice_rx_reassemble_packets(rxq, &rx_pkts[i], nb_bufs - i, + &split_flags[i]); +} + +/** + * vPMD receive routine that reassembles single burst of 32 scattered packets + * Notice: + * - nb_pkts < ICE_DESCS_PER_LOOP, just return no packet + */ +static uint16_t +ice_recv_scattered_burst_vec_avx512_offload(void *rx_queue, + struct rte_mbuf **rx_pkts, + uint16_t nb_pkts) +{ + struct ice_rx_queue *rxq = rx_queue; + uint8_t split_flags[ICE_VPMD_RX_BURST] = {0}; + + /* get some new buffers */ + uint16_t nb_bufs = _ice_recv_raw_pkts_vec_avx512(rxq, + rx_pkts, nb_pkts, split_flags, true); if (nb_bufs == 0) return 0; @@ -871,6 +942,32 @@ ice_recv_scattered_pkts_vec_avx512(void *rx_queue, struct rte_mbuf **rx_pkts, rx_pkts + retval, nb_pkts); } +/** + * vPMD receive routine that reassembles scattered packets. + * Main receive routine that can handle arbitrary burst sizes + * Notice: + * - nb_pkts < ICE_DESCS_PER_LOOP, just return no packet + */ +uint16_t +ice_recv_scattered_pkts_vec_avx512_offload(void *rx_queue, + struct rte_mbuf **rx_pkts, + uint16_t nb_pkts) +{ + uint16_t retval = 0; + + while (nb_pkts > ICE_VPMD_RX_BURST) { + uint16_t burst = + ice_recv_scattered_burst_vec_avx512_offload(rx_queue, + rx_pkts + retval, ICE_VPMD_RX_BURST); + retval += burst; + nb_pkts -= burst; + if (burst < ICE_VPMD_RX_BURST) + return retval; + } + return retval + ice_recv_scattered_burst_vec_avx512_offload(rx_queue, + rx_pkts + retval, nb_pkts); +} + static __rte_always_inline int ice_tx_free_bufs_avx512(struct ice_tx_queue *txq) { diff --git a/drivers/net/ice/ice_rxtx_vec_common.h b/drivers/net/ice/ice_rxtx_vec_common.h index 52db6ceca7..462a43b21e 100644 --- a/drivers/net/ice/ice_rxtx_vec_common.h +++ b/drivers/net/ice/ice_rxtx_vec_common.h @@ -243,6 +243,27 @@ ice_rxq_vec_setup_default(struct ice_rx_queue *rxq) return 0; } +#define ICE_TX_NO_VECTOR_FLAGS ( \ + DEV_TX_OFFLOAD_MULTI_SEGS | \ + DEV_TX_OFFLOAD_TCP_TSO) + +#define ICE_TX_VECTOR_OFFLOAD ( \ + DEV_TX_OFFLOAD_VLAN_INSERT | \ + DEV_TX_OFFLOAD_QINQ_INSERT | \ + DEV_TX_OFFLOAD_IPV4_CKSUM | \ + DEV_TX_OFFLOAD_SCTP_CKSUM | \ + DEV_TX_OFFLOAD_UDP_CKSUM | \ + DEV_TX_OFFLOAD_TCP_CKSUM) + +#define ICE_RX_VECTOR_OFFLOAD ( \ + DEV_RX_OFFLOAD_CHECKSUM | \ + DEV_RX_OFFLOAD_SCTP_CKSUM | \ + DEV_RX_OFFLOAD_VLAN | \ + DEV_RX_OFFLOAD_RSS_HASH) + +#define ICE_VECTOR_PATH 0 +#define ICE_VECTOR_OFFLOAD_PATH 1 + static inline int ice_rx_vec_queue_default(struct ice_rx_queue *rxq) { @@ -261,23 +282,11 @@ ice_rx_vec_queue_default(struct ice_rx_queue *rxq) if (rxq->proto_xtr != PROTO_XTR_NONE) return -1; - return 0; -} - -#define ICE_TX_NO_VECTOR_FLAGS ( \ - DEV_TX_OFFLOAD_MULTI_SEGS | \ - DEV_TX_OFFLOAD_TCP_TSO) - -#define ICE_TX_VECTOR_OFFLOAD ( \ - DEV_TX_OFFLOAD_VLAN_INSERT | \ - DEV_TX_OFFLOAD_QINQ_INSERT | \ - DEV_TX_OFFLOAD_IPV4_CKSUM | \ - DEV_TX_OFFLOAD_SCTP_CKSUM | \ - DEV_TX_OFFLOAD_UDP_CKSUM | \ - DEV_TX_OFFLOAD_TCP_CKSUM) + if (rxq->offloads & ICE_RX_VECTOR_OFFLOAD) + return ICE_VECTOR_OFFLOAD_PATH; -#define ICE_VECTOR_PATH 0 -#define ICE_VECTOR_OFFLOAD_PATH 1 + return ICE_VECTOR_PATH; +} static inline int ice_tx_vec_queue_default(struct ice_tx_queue *txq) @@ -303,14 +312,19 @@ ice_rx_vec_dev_check_default(struct rte_eth_dev *dev) { int i; struct ice_rx_queue *rxq; + int ret = 0; + int result = 0; for (i = 0; i < dev->data->nb_rx_queues; i++) { rxq = dev->data->rx_queues[i]; - if (ice_rx_vec_queue_default(rxq)) + ret = (ice_rx_vec_queue_default(rxq)); + if (ret < 0) return -1; + if (ret == ICE_VECTOR_OFFLOAD_PATH) + result = ret; } - return 0; + return result; } static inline int -- 2.17.1