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From: Leyi Rong <leyi.rong@intel.com>
To: jingjing.wu@intel.com, qi.z.zhang@intel.com,
	beilei.xing@intel.com, xiaolong.ye@intel.com
Cc: dev@dpdk.org, Leyi Rong <leyi.rong@intel.com>
Subject: [dpdk-dev] [PATCH v6 11/11] net/iavf: add RSS hash parsing in SSE path
Date: Mon, 20 Apr 2020 14:16:25 +0800	[thread overview]
Message-ID: <20200420061625.21424-12-leyi.rong@intel.com> (raw)
In-Reply-To: <20200420061625.21424-1-leyi.rong@intel.com>

Support RSS hash parsing from Flex Rx
descriptor in SSE data path.

Signed-off-by: Leyi Rong <leyi.rong@intel.com>
---
 drivers/net/iavf/iavf_rxtx_vec_sse.c | 88 +++++++++++++++++++++++-----
 1 file changed, 72 insertions(+), 16 deletions(-)

diff --git a/drivers/net/iavf/iavf_rxtx_vec_sse.c b/drivers/net/iavf/iavf_rxtx_vec_sse.c
index d7d840853..2f115aa94 100644
--- a/drivers/net/iavf/iavf_rxtx_vec_sse.c
+++ b/drivers/net/iavf/iavf_rxtx_vec_sse.c
@@ -654,7 +654,7 @@ _recv_raw_pkts_vec_flex_rxd(struct iavf_rx_queue *rxq,
 	/* mask to shuffle from desc. to mbuf */
 	const __m128i shuf_msk = _mm_set_epi8
 			(0xFF, 0xFF,
-			 0xFF, 0xFF,  /* rss not supported */
+			 0xFF, 0xFF,  /* rss hash parsed separately */
 			 11, 10,      /* octet 10~11, 16 bits vlan_macip */
 			 5, 4,        /* octet 4~5, 16 bits data_len */
 			 0xFF, 0xFF,  /* skip high 16 bits pkt_len, zero out */
@@ -745,7 +745,7 @@ _recv_raw_pkts_vec_flex_rxd(struct iavf_rx_queue *rxq,
 	     pos += IAVF_VPMD_DESCS_PER_LOOP,
 	     rxdp += IAVF_VPMD_DESCS_PER_LOOP) {
 		__m128i descs[IAVF_VPMD_DESCS_PER_LOOP];
-		__m128i pkt_mb1, pkt_mb2, pkt_mb3, pkt_mb4;
+		__m128i pkt_mb0, pkt_mb1, pkt_mb2, pkt_mb3;
 		__m128i staterr, sterr_tmp1, sterr_tmp2;
 		/* 2 64 bit or 4 32 bit mbuf pointers in one XMM reg. */
 		__m128i mbp1;
@@ -791,8 +791,12 @@ _recv_raw_pkts_vec_flex_rxd(struct iavf_rx_queue *rxq,
 		rte_compiler_barrier();
 
 		/* D.1 pkt 3,4 convert format from desc to pktmbuf */
-		pkt_mb4 = _mm_shuffle_epi8(descs[3], shuf_msk);
-		pkt_mb3 = _mm_shuffle_epi8(descs[2], shuf_msk);
+		pkt_mb3 = _mm_shuffle_epi8(descs[3], shuf_msk);
+		pkt_mb2 = _mm_shuffle_epi8(descs[2], shuf_msk);
+
+		/* D.1 pkt 1,2 convert format from desc to pktmbuf */
+		pkt_mb1 = _mm_shuffle_epi8(descs[1], shuf_msk);
+		pkt_mb0 = _mm_shuffle_epi8(descs[0], shuf_msk);
 
 		/* C.1 4=>2 filter staterr info only */
 		sterr_tmp2 = _mm_unpackhi_epi32(descs[3], descs[2]);
@@ -802,12 +806,68 @@ _recv_raw_pkts_vec_flex_rxd(struct iavf_rx_queue *rxq,
 		flex_desc_to_olflags_v(rxq, descs, &rx_pkts[pos]);
 
 		/* D.2 pkt 3,4 set in_port/nb_seg and remove crc */
-		pkt_mb4 = _mm_add_epi16(pkt_mb4, crc_adjust);
 		pkt_mb3 = _mm_add_epi16(pkt_mb3, crc_adjust);
+		pkt_mb2 = _mm_add_epi16(pkt_mb2, crc_adjust);
 
-		/* D.1 pkt 1,2 convert format from desc to pktmbuf */
-		pkt_mb2 = _mm_shuffle_epi8(descs[1], shuf_msk);
-		pkt_mb1 = _mm_shuffle_epi8(descs[0], shuf_msk);
+		/* D.2 pkt 1,2 set in_port/nb_seg and remove crc */
+		pkt_mb1 = _mm_add_epi16(pkt_mb1, crc_adjust);
+		pkt_mb0 = _mm_add_epi16(pkt_mb0, crc_adjust);
+
+#ifndef RTE_LIBRTE_IAVF_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_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));
+
+			/**
+			 * to shift the 32b RSS hash value to the
+			 * highest 32b of each 128b before mask
+			 */
+			__m128i rss_hash3 =
+				_mm_slli_epi64(raw_desc_bh3, 32);
+			__m128i rss_hash2 =
+				_mm_slli_epi64(raw_desc_bh2, 32);
+			__m128i rss_hash1 =
+				_mm_slli_epi64(raw_desc_bh1, 32);
+			__m128i rss_hash0 =
+				_mm_slli_epi64(raw_desc_bh0, 32);
+
+			__m128i rss_hash_msk =
+				_mm_set_epi32(0xFFFFFFFF, 0, 0, 0);
+
+			rss_hash3 = _mm_and_si128
+					(rss_hash3, rss_hash_msk);
+			rss_hash2 = _mm_and_si128
+					(rss_hash2, rss_hash_msk);
+			rss_hash1 = _mm_and_si128
+					(rss_hash1, rss_hash_msk);
+			rss_hash0 = _mm_and_si128
+					(rss_hash0, rss_hash_msk);
+
+			pkt_mb3 = _mm_or_si128(pkt_mb3, rss_hash3);
+			pkt_mb2 = _mm_or_si128(pkt_mb2, rss_hash2);
+			pkt_mb1 = _mm_or_si128(pkt_mb1, rss_hash1);
+			pkt_mb0 = _mm_or_si128(pkt_mb0, rss_hash0);
+		} /* if() on RSS hash parsing */
+#endif
 
 		/* C.2 get 4 pkts staterr value  */
 		staterr = _mm_unpacklo_epi32(sterr_tmp1, sterr_tmp2);
@@ -815,14 +875,10 @@ _recv_raw_pkts_vec_flex_rxd(struct iavf_rx_queue *rxq,
 		/* D.3 copy final 3,4 data to rx_pkts */
 		_mm_storeu_si128
 			((void *)&rx_pkts[pos + 3]->rx_descriptor_fields1,
-			 pkt_mb4);
+			 pkt_mb3);
 		_mm_storeu_si128
 			((void *)&rx_pkts[pos + 2]->rx_descriptor_fields1,
-			 pkt_mb3);
-
-		/* D.2 pkt 1,2 set in_port/nb_seg and remove crc */
-		pkt_mb2 = _mm_add_epi16(pkt_mb2, crc_adjust);
-		pkt_mb1 = _mm_add_epi16(pkt_mb1, crc_adjust);
+			 pkt_mb2);
 
 		/* C* extract and record EOP bit */
 		if (split_packet) {
@@ -846,9 +902,9 @@ _recv_raw_pkts_vec_flex_rxd(struct iavf_rx_queue *rxq,
 		/* D.3 copy final 1,2 data to rx_pkts */
 		_mm_storeu_si128
 			((void *)&rx_pkts[pos + 1]->rx_descriptor_fields1,
-			 pkt_mb2);
+			 pkt_mb1);
 		_mm_storeu_si128((void *)&rx_pkts[pos]->rx_descriptor_fields1,
-				 pkt_mb1);
+				 pkt_mb0);
 		flex_desc_to_ptype_v(descs, &rx_pkts[pos], ptype_tbl);
 		/* C.4 calc avaialbe number of desc */
 		var = __builtin_popcountll(_mm_cvtsi128_si64(staterr));
-- 
2.17.1


  parent reply	other threads:[~2020-04-20  6:28 UTC|newest]

Thread overview: 80+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-16  7:45 [dpdk-dev] [PATCH 00/12] framework for advanced iAVF PMD Leyi Rong
2020-03-16  7:45 ` [dpdk-dev] [PATCH 01/12] net/iavf: remove 16B Rx descriptor compile option Leyi Rong
2020-03-16  7:45 ` [dpdk-dev] [PATCH 02/12] net/iavf: return error if opcode is mismatched Leyi Rong
2020-03-16  7:45 ` [dpdk-dev] [PATCH 03/12] net/iavf: support to query DDP package info Leyi Rong
2020-03-16  7:45 ` [dpdk-dev] [PATCH 04/12] net/iavf: flexible Rx descriptor support in normal path Leyi Rong
2020-03-26  6:50   ` Wu, Jingjing
2020-03-16  7:45 ` [dpdk-dev] [PATCH 05/12] net/iavf: flexible Rx descriptor support in AVX path Leyi Rong
2020-03-16  7:45 ` [dpdk-dev] [PATCH 06/12] net/iavf: flexible Rx descriptor support in SSE path Leyi Rong
2020-03-16  7:45 ` [dpdk-dev] [PATCH 07/12] net/iavf: add flow director enabled switch value Leyi Rong
2020-03-26  6:57   ` Wu, Jingjing
2020-03-16  7:45 ` [dpdk-dev] [PATCH 08/12] net/iavf: support flow mark in normal data path Leyi Rong
2020-03-16  7:46 ` [dpdk-dev] [PATCH 09/12] net/iavf: support flow mark in AVX path Leyi Rong
2020-03-16  7:46 ` [dpdk-dev] [PATCH 10/12] net/iavf: support flow mark in SSE path Leyi Rong
2020-03-16  7:46 ` [dpdk-dev] [PATCH 11/12] net/iavf: add RSS hash parsing in AVX path Leyi Rong
2020-03-16  7:46 ` [dpdk-dev] [PATCH 12/12] net/iavf: add RSS hash parsing in SSE path Leyi Rong
2020-03-31  8:02 ` [dpdk-dev] [PATCH v2 00/12] framework for advanced iAVF PMD Leyi Rong
2020-03-31  8:02   ` [dpdk-dev] [PATCH v2 01/12] net/iavf: flexible Rx descriptor definitions Leyi Rong
2020-03-31  8:02   ` [dpdk-dev] [PATCH v2 02/12] net/iavf: return error if opcode is mismatched Leyi Rong
2020-03-31  8:02   ` [dpdk-dev] [PATCH v2 03/12] net/iavf: support to query DDP package info Leyi Rong
2020-03-31  8:02   ` [dpdk-dev] [PATCH v2 04/12] net/iavf: flexible Rx descriptor support in normal path Leyi Rong
2020-03-31  8:02   ` [dpdk-dev] [PATCH v2 05/12] net/iavf: flexible Rx descriptor support in AVX path Leyi Rong
2020-03-31  8:02   ` [dpdk-dev] [PATCH v2 06/12] net/iavf: flexible Rx descriptor support in SSE path Leyi Rong
2020-03-31  8:02   ` [dpdk-dev] [PATCH v2 07/12] net/iavf: add flow director enabled switch value Leyi Rong
2020-03-31  8:02   ` [dpdk-dev] [PATCH v2 08/12] net/iavf: support flow mark in normal data path Leyi Rong
2020-03-31  8:02   ` [dpdk-dev] [PATCH v2 09/12] net/iavf: support flow mark in AVX path Leyi Rong
2020-03-31  8:02   ` [dpdk-dev] [PATCH v2 10/12] net/iavf: support flow mark in SSE path Leyi Rong
2020-03-31  8:02   ` [dpdk-dev] [PATCH v2 11/12] net/iavf: add RSS hash parsing in AVX path Leyi Rong
2020-03-31  8:02   ` [dpdk-dev] [PATCH v2 12/12] net/iavf: add RSS hash parsing in SSE path Leyi Rong
2020-04-08  6:21 ` [dpdk-dev] [PATCH v3 00/11] framework for advanced iAVF PMD Leyi Rong
2020-04-08  6:22   ` [dpdk-dev] [PATCH v3 01/11] net/iavf: flexible Rx descriptor definitions Leyi Rong
2020-04-08  6:22   ` [dpdk-dev] [PATCH v3 02/11] net/iavf: return error if opcode is mismatched Leyi Rong
2020-04-08  6:22   ` [dpdk-dev] [PATCH v3 03/11] net/iavf: flexible Rx descriptor support in normal path Leyi Rong
2020-04-08  6:22   ` [dpdk-dev] [PATCH v3 04/11] net/iavf: flexible Rx descriptor support in AVX path Leyi Rong
2020-04-08  6:22   ` [dpdk-dev] [PATCH v3 05/11] net/iavf: flexible Rx descriptor support in SSE path Leyi Rong
2020-04-08  6:22   ` [dpdk-dev] [PATCH v3 06/11] net/iavf: add flow director enabled switch value Leyi Rong
2020-04-08  6:22   ` [dpdk-dev] [PATCH v3 07/11] net/iavf: support flow mark in normal data path Leyi Rong
2020-04-08  6:22   ` [dpdk-dev] [PATCH v3 08/11] net/iavf: support flow mark in AVX path Leyi Rong
2020-04-08  6:22   ` [dpdk-dev] [PATCH v3 09/11] net/iavf: support flow mark in SSE path Leyi Rong
2020-04-08  6:22   ` [dpdk-dev] [PATCH v3 10/11] net/iavf: add RSS hash parsing in AVX path Leyi Rong
2020-04-08  6:22   ` [dpdk-dev] [PATCH v3 11/11] net/iavf: add RSS hash parsing in SSE path Leyi Rong
2020-04-14  6:15 ` [dpdk-dev] [PATCH v4 00/11] framework for advanced iAVF PMD Leyi Rong
2020-04-14  6:15   ` [dpdk-dev] [PATCH v4 01/11] net/iavf: flexible Rx descriptor definitions Leyi Rong
2020-04-14  6:15   ` [dpdk-dev] [PATCH v4 02/11] net/iavf: return error if opcode is mismatched Leyi Rong
2020-04-14  6:15   ` [dpdk-dev] [PATCH v4 03/11] net/iavf: flexible Rx descriptor support in normal path Leyi Rong
2020-04-14  6:15   ` [dpdk-dev] [PATCH v4 04/11] net/iavf: flexible Rx descriptor support in AVX path Leyi Rong
2020-04-14  6:15   ` [dpdk-dev] [PATCH v4 05/11] net/iavf: flexible Rx descriptor support in SSE path Leyi Rong
2020-04-14  6:15   ` [dpdk-dev] [PATCH v4 06/11] net/iavf: add flow director enabled switch value Leyi Rong
2020-04-14  6:15   ` [dpdk-dev] [PATCH v4 07/11] net/iavf: support flow mark in normal data path Leyi Rong
2020-04-14  6:15   ` [dpdk-dev] [PATCH v4 08/11] net/iavf: support flow mark in AVX path Leyi Rong
2020-04-14  6:15   ` [dpdk-dev] [PATCH v4 09/11] net/iavf: support flow mark in SSE path Leyi Rong
2020-04-14  6:15   ` [dpdk-dev] [PATCH v4 10/11] net/iavf: add RSS hash parsing in AVX path Leyi Rong
2020-04-14  6:15   ` [dpdk-dev] [PATCH v4 11/11] net/iavf: add RSS hash parsing in SSE path Leyi Rong
2020-04-16  8:09 ` [dpdk-dev] [PATCH v5 00/11] framework for advanced iAVF PMD Leyi Rong
2020-04-16  8:09   ` [dpdk-dev] [PATCH v5 01/11] net/iavf: flexible Rx descriptor definitions Leyi Rong
2020-04-16  8:09   ` [dpdk-dev] [PATCH v5 02/11] net/iavf: return error if opcode is mismatched Leyi Rong
2020-04-16  8:09   ` [dpdk-dev] [PATCH v5 03/11] net/iavf: flexible Rx descriptor support in normal path Leyi Rong
2020-04-16  8:09   ` [dpdk-dev] [PATCH v5 04/11] net/iavf: flexible Rx descriptor support in AVX path Leyi Rong
2020-04-17 13:28     ` Ferruh Yigit
2020-04-16  8:09   ` [dpdk-dev] [PATCH v5 05/11] net/iavf: flexible Rx descriptor support in SSE path Leyi Rong
2020-04-16  8:09   ` [dpdk-dev] [PATCH v5 06/11] net/iavf: add flow director enabled switch value Leyi Rong
2020-04-16  8:09   ` [dpdk-dev] [PATCH v5 07/11] net/iavf: support flow mark in normal data path Leyi Rong
2020-04-16  8:09   ` [dpdk-dev] [PATCH v5 08/11] net/iavf: support flow mark in AVX path Leyi Rong
2020-04-16  8:09   ` [dpdk-dev] [PATCH v5 09/11] net/iavf: support flow mark in SSE path Leyi Rong
2020-04-16  8:09   ` [dpdk-dev] [PATCH v5 10/11] net/iavf: add RSS hash parsing in AVX path Leyi Rong
2020-04-16  8:09   ` [dpdk-dev] [PATCH v5 11/11] net/iavf: add RSS hash parsing in SSE path Leyi Rong
2020-04-16 12:21   ` [dpdk-dev] [PATCH v5 00/11] framework for advanced iAVF PMD Zhang, Qi Z
2020-04-17  4:11     ` Ye Xiaolong
2020-04-20  6:16 ` [dpdk-dev] [PATCH v6 " Leyi Rong
2020-04-20  6:16   ` [dpdk-dev] [PATCH v6 01/11] net/iavf: flexible Rx descriptor definitions Leyi Rong
2020-04-20  6:16   ` [dpdk-dev] [PATCH v6 02/11] net/iavf: return error if opcode is mismatched Leyi Rong
2020-04-20  6:16   ` [dpdk-dev] [PATCH v6 03/11] net/iavf: flexible Rx descriptor support in normal path Leyi Rong
2020-04-20  6:16   ` [dpdk-dev] [PATCH v6 04/11] net/iavf: flexible Rx descriptor support in AVX path Leyi Rong
2020-04-20  6:16   ` [dpdk-dev] [PATCH v6 05/11] net/iavf: flexible Rx descriptor support in SSE path Leyi Rong
2020-04-20  6:16   ` [dpdk-dev] [PATCH v6 06/11] net/iavf: add flow director enabled switch value Leyi Rong
2020-04-20  6:16   ` [dpdk-dev] [PATCH v6 07/11] net/iavf: support flow mark in normal data path Leyi Rong
2020-04-20  6:16   ` [dpdk-dev] [PATCH v6 08/11] net/iavf: support flow mark in AVX path Leyi Rong
2020-04-20  6:16   ` [dpdk-dev] [PATCH v6 09/11] net/iavf: support flow mark in SSE path Leyi Rong
2020-04-20  6:16   ` [dpdk-dev] [PATCH v6 10/11] net/iavf: add RSS hash parsing in AVX path Leyi Rong
2020-04-20  6:16   ` Leyi Rong [this message]
2020-04-21  3:14   ` [dpdk-dev] [PATCH v6 00/11] framework for advanced iAVF PMD Ye Xiaolong

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