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From: Simei Su <simei.su@intel.com>
To: jingjing.wu@intel.com, beilei.xing@intel.com, qi.z.zhang@intel.com
Cc: dev@dpdk.org, wenjun1.wu@intel.com, Simei Su <simei.su@intel.com>
Subject: [PATCH v3] common/idpf: refactor single queue Tx function
Date: Fri,  8 Sep 2023 18:28:27 +0800	[thread overview]
Message-ID: <20230908102827.2256297-1-simei.su@intel.com> (raw)
In-Reply-To: <20230904070258.2130174-1-simei.su@intel.com>

This patch replaces flex Tx descriptor with base Tx descriptor to align
with kernel driver practice.

Signed-off-by: Simei Su <simei.su@intel.com>
---
v3:
* Change context TSO descriptor from base mode to flex mode.

v2:
* Refine commit title and commit log.
* Remove redundant definition.
* Modify base mode context TSO descriptor.

 drivers/common/idpf/idpf_common_rxtx.c        | 39 +++++++++----------
 drivers/common/idpf/idpf_common_rxtx.h        |  2 +-
 drivers/common/idpf/idpf_common_rxtx_avx512.c | 37 +++++++++---------
 drivers/net/idpf/idpf_rxtx.c                  |  2 +-
 4 files changed, 39 insertions(+), 41 deletions(-)

diff --git a/drivers/common/idpf/idpf_common_rxtx.c b/drivers/common/idpf/idpf_common_rxtx.c
index fc87e3e243..e6d2486272 100644
--- a/drivers/common/idpf/idpf_common_rxtx.c
+++ b/drivers/common/idpf/idpf_common_rxtx.c
@@ -276,14 +276,14 @@ idpf_qc_single_tx_queue_reset(struct idpf_tx_queue *txq)
 	}
 
 	txe = txq->sw_ring;
-	size = sizeof(struct idpf_flex_tx_desc) * txq->nb_tx_desc;
+	size = sizeof(struct idpf_base_tx_desc) * txq->nb_tx_desc;
 	for (i = 0; i < size; i++)
 		((volatile char *)txq->tx_ring)[i] = 0;
 
 	prev = (uint16_t)(txq->nb_tx_desc - 1);
 	for (i = 0; i < txq->nb_tx_desc; i++) {
-		txq->tx_ring[i].qw1.cmd_dtype =
-			rte_cpu_to_le_16(IDPF_TX_DESC_DTYPE_DESC_DONE);
+		txq->tx_ring[i].qw1 =
+			rte_cpu_to_le_64(IDPF_TX_DESC_DTYPE_DESC_DONE);
 		txe[i].mbuf =  NULL;
 		txe[i].last_id = i;
 		txe[prev].next_id = i;
@@ -1307,17 +1307,16 @@ idpf_xmit_cleanup(struct idpf_tx_queue *txq)
 	uint16_t nb_tx_to_clean;
 	uint16_t i;
 
-	volatile struct idpf_flex_tx_desc *txd = txq->tx_ring;
+	volatile struct idpf_base_tx_desc *txd = txq->tx_ring;
 
 	desc_to_clean_to = (uint16_t)(last_desc_cleaned + txq->rs_thresh);
 	if (desc_to_clean_to >= nb_tx_desc)
 		desc_to_clean_to = (uint16_t)(desc_to_clean_to - nb_tx_desc);
 
 	desc_to_clean_to = sw_ring[desc_to_clean_to].last_id;
-	/* In the writeback Tx desccriptor, the only significant fields are the 4-bit DTYPE */
-	if ((txd[desc_to_clean_to].qw1.cmd_dtype &
-	     rte_cpu_to_le_16(IDPF_TXD_QW1_DTYPE_M)) !=
-	    rte_cpu_to_le_16(IDPF_TX_DESC_DTYPE_DESC_DONE)) {
+	if ((txd[desc_to_clean_to].qw1 &
+	     rte_cpu_to_le_64(IDPF_TXD_QW1_DTYPE_M)) !=
+	    rte_cpu_to_le_64(IDPF_TX_DESC_DTYPE_DESC_DONE)) {
 		TX_LOG(DEBUG, "TX descriptor %4u is not done "
 		       "(port=%d queue=%d)", desc_to_clean_to,
 		       txq->port_id, txq->queue_id);
@@ -1331,10 +1330,7 @@ idpf_xmit_cleanup(struct idpf_tx_queue *txq)
 		nb_tx_to_clean = (uint16_t)(desc_to_clean_to -
 					    last_desc_cleaned);
 
-	txd[desc_to_clean_to].qw1.cmd_dtype = 0;
-	txd[desc_to_clean_to].qw1.buf_size = 0;
-	for (i = 0; i < RTE_DIM(txd[desc_to_clean_to].qw1.flex.raw); i++)
-		txd[desc_to_clean_to].qw1.flex.raw[i] = 0;
+	txd[desc_to_clean_to].qw1 = 0;
 
 	txq->last_desc_cleaned = desc_to_clean_to;
 	txq->nb_free = (uint16_t)(txq->nb_free + nb_tx_to_clean);
@@ -1347,8 +1343,8 @@ uint16_t
 idpf_dp_singleq_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
 			  uint16_t nb_pkts)
 {
-	volatile struct idpf_flex_tx_desc *txd;
-	volatile struct idpf_flex_tx_desc *txr;
+	volatile struct idpf_base_tx_desc *txd;
+	volatile struct idpf_base_tx_desc *txr;
 	union idpf_tx_offload tx_offload = {0};
 	struct idpf_tx_entry *txe, *txn;
 	struct idpf_tx_entry *sw_ring;
@@ -1356,6 +1352,7 @@ idpf_dp_singleq_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
 	struct rte_mbuf *tx_pkt;
 	struct rte_mbuf *m_seg;
 	uint64_t buf_dma_addr;
+	uint32_t td_offset;
 	uint64_t ol_flags;
 	uint16_t tx_last;
 	uint16_t nb_used;
@@ -1382,6 +1379,7 @@ idpf_dp_singleq_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
 
 	for (nb_tx = 0; nb_tx < nb_pkts; nb_tx++) {
 		td_cmd = 0;
+		td_offset = 0;
 
 		tx_pkt = *tx_pkts++;
 		RTE_MBUF_PREFETCH_TO_FREE(txe->mbuf);
@@ -1462,9 +1460,10 @@ idpf_dp_singleq_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
 			slen = m_seg->data_len;
 			buf_dma_addr = rte_mbuf_data_iova(m_seg);
 			txd->buf_addr = rte_cpu_to_le_64(buf_dma_addr);
-			txd->qw1.buf_size = slen;
-			txd->qw1.cmd_dtype = rte_cpu_to_le_16(IDPF_TX_DESC_DTYPE_FLEX_DATA <<
-							      IDPF_FLEX_TXD_QW1_DTYPE_S);
+			txd->qw1 = rte_cpu_to_le_64(IDPF_TX_DESC_DTYPE_DATA |
+				((uint64_t)td_cmd  << IDPF_TXD_QW1_CMD_S) |
+				((uint64_t)td_offset << IDPF_TXD_QW1_OFFSET_S) |
+				((uint64_t)slen << IDPF_TXD_QW1_TX_BUF_SZ_S));
 
 			txe->last_id = tx_last;
 			tx_id = txe->next_id;
@@ -1473,7 +1472,7 @@ idpf_dp_singleq_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
 		} while (m_seg);
 
 		/* The last packet data descriptor needs End Of Packet (EOP) */
-		td_cmd |= IDPF_TX_FLEX_DESC_CMD_EOP;
+		td_cmd |= IDPF_TX_DESC_CMD_EOP;
 		txq->nb_used = (uint16_t)(txq->nb_used + nb_used);
 		txq->nb_free = (uint16_t)(txq->nb_free - nb_used);
 
@@ -1482,7 +1481,7 @@ idpf_dp_singleq_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
 			       "%4u (port=%d queue=%d)",
 			       tx_last, txq->port_id, txq->queue_id);
 
-			td_cmd |= IDPF_TX_FLEX_DESC_CMD_RS;
+			td_cmd |= IDPF_TX_DESC_CMD_RS;
 
 			/* Update txq RS bit counters */
 			txq->nb_used = 0;
@@ -1491,7 +1490,7 @@ idpf_dp_singleq_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
 		if (ol_flags & IDPF_TX_CKSUM_OFFLOAD_MASK)
 			td_cmd |= IDPF_TX_FLEX_DESC_CMD_CS_EN;
 
-		txd->qw1.cmd_dtype |= rte_cpu_to_le_16(td_cmd << IDPF_FLEX_TXD_QW1_CMD_S);
+		txd->qw1 |= rte_cpu_to_le_16(td_cmd << IDPF_TXD_QW1_CMD_S);
 	}
 
 end_of_tx:
diff --git a/drivers/common/idpf/idpf_common_rxtx.h b/drivers/common/idpf/idpf_common_rxtx.h
index 6cb83fc0a6..b49b1ed737 100644
--- a/drivers/common/idpf/idpf_common_rxtx.h
+++ b/drivers/common/idpf/idpf_common_rxtx.h
@@ -157,7 +157,7 @@ struct idpf_tx_entry {
 /* Structure associated with each TX queue. */
 struct idpf_tx_queue {
 	const struct rte_memzone *mz;		/* memzone for Tx ring */
-	volatile struct idpf_flex_tx_desc *tx_ring;	/* Tx ring virtual address */
+	volatile struct idpf_base_tx_desc *tx_ring;	/* Tx ring virtual address */
 	volatile union {
 		struct idpf_flex_tx_sched_desc *desc_ring;
 		struct idpf_splitq_tx_compl_desc *compl_ring;
diff --git a/drivers/common/idpf/idpf_common_rxtx_avx512.c b/drivers/common/idpf/idpf_common_rxtx_avx512.c
index 81312617cc..afb0014a13 100644
--- a/drivers/common/idpf/idpf_common_rxtx_avx512.c
+++ b/drivers/common/idpf/idpf_common_rxtx_avx512.c
@@ -1005,7 +1005,7 @@ idpf_tx_singleq_free_bufs_avx512(struct idpf_tx_queue *txq)
 	struct rte_mbuf *m, *free[txq->rs_thresh];
 
 	/* check DD bits on threshold descriptor */
-	if ((txq->tx_ring[txq->next_dd].qw1.cmd_dtype &
+	if ((txq->tx_ring[txq->next_dd].qw1 &
 			rte_cpu_to_le_64(IDPF_TXD_QW1_DTYPE_M)) !=
 			rte_cpu_to_le_64(IDPF_TX_DESC_DTYPE_DESC_DONE))
 		return 0;
@@ -1113,15 +1113,14 @@ tx_backlog_entry_avx512(struct idpf_tx_vec_entry *txep,
 		txep[i].mbuf = tx_pkts[i];
 }
 
-#define IDPF_FLEX_TXD_QW1_BUF_SZ_S 48
 static __rte_always_inline void
-idpf_singleq_vtx1(volatile struct idpf_flex_tx_desc *txdp,
+idpf_singleq_vtx1(volatile struct idpf_base_tx_desc *txdp,
 	  struct rte_mbuf *pkt, uint64_t flags)
 {
 	uint64_t high_qw =
-		(IDPF_TX_DESC_DTYPE_FLEX_DATA << IDPF_FLEX_TXD_QW1_DTYPE_S |
-		 ((uint64_t)flags  << IDPF_FLEX_TXD_QW1_CMD_S) |
-		 ((uint64_t)pkt->data_len << IDPF_FLEX_TXD_QW1_BUF_SZ_S));
+		(IDPF_TX_DESC_DTYPE_DATA |
+		 ((uint64_t)flags  << IDPF_TXD_QW1_CMD_S) |
+		 ((uint64_t)pkt->data_len << IDPF_TXD_QW1_TX_BUF_SZ_S));
 
 	__m128i descriptor = _mm_set_epi64x(high_qw,
 					    pkt->buf_iova + pkt->data_off);
@@ -1131,11 +1130,11 @@ idpf_singleq_vtx1(volatile struct idpf_flex_tx_desc *txdp,
 #define IDPF_TX_LEN_MASK 0xAA
 #define IDPF_TX_OFF_MASK 0x55
 static __rte_always_inline void
-idpf_singleq_vtx(volatile struct idpf_flex_tx_desc *txdp,
+idpf_singleq_vtx(volatile struct idpf_base_tx_desc *txdp,
 	 struct rte_mbuf **pkt, uint16_t nb_pkts,  uint64_t flags)
 {
-	const uint64_t hi_qw_tmpl = (IDPF_TX_DESC_DTYPE_FLEX_DATA  |
-			((uint64_t)flags  << IDPF_FLEX_TXD_QW1_CMD_S));
+	const uint64_t hi_qw_tmpl = (IDPF_TX_DESC_DTYPE_DATA  |
+			((uint64_t)flags  << IDPF_TXD_QW1_CMD_S));
 
 	/* if unaligned on 32-bit boundary, do one to align */
 	if (((uintptr_t)txdp & 0x1F) != 0 && nb_pkts != 0) {
@@ -1148,19 +1147,19 @@ idpf_singleq_vtx(volatile struct idpf_flex_tx_desc *txdp,
 		uint64_t hi_qw3 =
 			hi_qw_tmpl |
 			((uint64_t)pkt[3]->data_len <<
-			 IDPF_FLEX_TXD_QW1_BUF_SZ_S);
+			 IDPF_TXD_QW1_TX_BUF_SZ_S);
 		uint64_t hi_qw2 =
 			hi_qw_tmpl |
 			((uint64_t)pkt[2]->data_len <<
-			 IDPF_FLEX_TXD_QW1_BUF_SZ_S);
+			 IDPF_TXD_QW1_TX_BUF_SZ_S);
 		uint64_t hi_qw1 =
 			hi_qw_tmpl |
 			((uint64_t)pkt[1]->data_len <<
-			 IDPF_FLEX_TXD_QW1_BUF_SZ_S);
+			 IDPF_TXD_QW1_TX_BUF_SZ_S);
 		uint64_t hi_qw0 =
 			hi_qw_tmpl |
 			((uint64_t)pkt[0]->data_len <<
-			 IDPF_FLEX_TXD_QW1_BUF_SZ_S);
+			 IDPF_TXD_QW1_TX_BUF_SZ_S);
 
 		__m512i desc0_3 =
 			_mm512_set_epi64
@@ -1187,11 +1186,11 @@ idpf_singleq_xmit_fixed_burst_vec_avx512(void *tx_queue, struct rte_mbuf **tx_pk
 					 uint16_t nb_pkts)
 {
 	struct idpf_tx_queue *txq = tx_queue;
-	volatile struct idpf_flex_tx_desc *txdp;
+	volatile struct idpf_base_tx_desc *txdp;
 	struct idpf_tx_vec_entry *txep;
 	uint16_t n, nb_commit, tx_id;
-	uint64_t flags = IDPF_TX_FLEX_DESC_CMD_EOP;
-	uint64_t rs = IDPF_TX_FLEX_DESC_CMD_RS | flags;
+	uint64_t flags = IDPF_TX_DESC_CMD_EOP;
+	uint64_t rs = IDPF_TX_DESC_CMD_RS | flags;
 
 	/* cross rx_thresh boundary is not allowed */
 	nb_pkts = RTE_MIN(nb_pkts, txq->rs_thresh);
@@ -1238,9 +1237,9 @@ idpf_singleq_xmit_fixed_burst_vec_avx512(void *tx_queue, struct rte_mbuf **tx_pk
 
 	tx_id = (uint16_t)(tx_id + nb_commit);
 	if (tx_id > txq->next_rs) {
-		txq->tx_ring[txq->next_rs].qw1.cmd_dtype |=
-			rte_cpu_to_le_64(((uint64_t)IDPF_TX_FLEX_DESC_CMD_RS) <<
-					 IDPF_FLEX_TXD_QW1_CMD_S);
+		txq->tx_ring[txq->next_rs].qw1 |=
+			rte_cpu_to_le_64(((uint64_t)IDPF_TX_DESC_CMD_RS) <<
+					 IDPF_TXD_QW1_CMD_S);
 		txq->next_rs =
 			(uint16_t)(txq->next_rs + txq->rs_thresh);
 	}
diff --git a/drivers/net/idpf/idpf_rxtx.c b/drivers/net/idpf/idpf_rxtx.c
index 3e3d81ca6d..64f2235580 100644
--- a/drivers/net/idpf/idpf_rxtx.c
+++ b/drivers/net/idpf/idpf_rxtx.c
@@ -74,7 +74,7 @@ idpf_dma_zone_reserve(struct rte_eth_dev *dev, uint16_t queue_idx,
 			ring_size = RTE_ALIGN(len * sizeof(struct idpf_flex_tx_sched_desc),
 					      IDPF_DMA_MEM_ALIGN);
 		else
-			ring_size = RTE_ALIGN(len * sizeof(struct idpf_flex_tx_desc),
+			ring_size = RTE_ALIGN(len * sizeof(struct idpf_base_tx_desc),
 					      IDPF_DMA_MEM_ALIGN);
 		rte_memcpy(ring_name, "idpf Tx ring", sizeof("idpf Tx ring"));
 		break;
-- 
2.25.1


  reply	other threads:[~2023-09-08 10:27 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-25  7:21 [PATCH] common/idpf: rework " Simei Su
2023-08-25  7:48 ` Wu, Wenjun1
2023-08-25  8:14 ` Zhang, Qi Z
2023-09-04  7:02 ` [PATCH v2] common/idpf: refactor " Simei Su
2023-09-08 10:28   ` Simei Su [this message]
2023-09-13  5:57     ` [PATCH v3] " Wu, Wenjun1
2023-09-13  7:45       ` Zhang, Qi Z
2023-09-14  1:47         ` Zhang, Qi Z
2023-09-13  6:07     ` Xing, Beilei
2023-09-14  1:50     ` [PATCH v4 0/3] refactor single queue Tx data path Simei Su
2023-09-14  1:50       ` [PATCH v4 1/3] common/idpf: " Simei Su
2023-09-14  1:50       ` [PATCH v4 2/3] net/idpf: refine Tx queue setup Simei Su
2023-09-14  1:50       ` [PATCH v4 3/3] net/cpfl: " Simei Su
2023-09-14  1:54       ` [PATCH v4 0/3] refactor single queue Tx data path Xing, Beilei
2023-09-14  6:37       ` [PATCH v5] common/idpf: " Simei Su
2023-09-14 11:08         ` Zhang, Qi Z

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