7d8194517a
Sync some patches for hns3 PMD, telemetry and testpmd. And main modifications are as follows: - backport some bugfixes for hns3 - revert Tx performance optimization for hns3 - add Rx/Tx descriptor dump feature for hns3 - refactor some RSS commands for testpmd - add ethdev telemetry private dump - add dmadev telemetry - sync telemetry lib Signed-off-by: Huisong Li <lihuisong@huawei.com> (cherry picked from commit 4f06d27eff9aa99c2e2073ac74328893990ed8ed)
57 lines
1.7 KiB
Diff
57 lines
1.7 KiB
Diff
From c4f3e4cf9404434d8062c523c8b6bc55df136140 Mon Sep 17 00:00:00 2001
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From: Chengwen Feng <fengchengwen@huawei.com>
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Date: Fri, 21 Oct 2022 15:36:15 +0800
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Subject: [PATCH 139/189] net/hns3: optimize SVE Tx performance
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Optimize SVE xmit algorithm performance, will get about 1%+
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performance gain under 64B macfwd.
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Cc: stable@dpdk.org
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Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
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---
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drivers/net/hns3/hns3_rxtx_vec_sve.c | 19 ++++++++++---------
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1 file changed, 10 insertions(+), 9 deletions(-)
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diff --git a/drivers/net/hns3/hns3_rxtx_vec_sve.c b/drivers/net/hns3/hns3_rxtx_vec_sve.c
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index f09a81dbd5..6f23ba674d 100644
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--- a/drivers/net/hns3/hns3_rxtx_vec_sve.c
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+++ b/drivers/net/hns3/hns3_rxtx_vec_sve.c
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@@ -389,10 +389,12 @@ hns3_tx_fill_hw_ring_sve(struct hns3_tx_queue *txq,
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HNS3_UINT32_BIT;
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svuint64_t base_addr, buf_iova, data_off, data_len, addr;
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svuint64_t offsets = svindex_u64(0, BD_SIZE);
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- uint32_t i = 0;
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- svbool_t pg = svwhilelt_b64_u32(i, nb_pkts);
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+ uint32_t cnt = svcntd();
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+ svbool_t pg;
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+ uint32_t i;
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- do {
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+ for (i = 0; i < nb_pkts; /* i is updated in the inner loop */) {
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+ pg = svwhilelt_b64_u32(i, nb_pkts);
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base_addr = svld1_u64(pg, (uint64_t *)pkts);
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/* calc mbuf's field buf_iova address */
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buf_iova = svadd_n_u64_z(pg, base_addr,
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@@ -439,12 +441,11 @@ hns3_tx_fill_hw_ring_sve(struct hns3_tx_queue *txq,
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(svaddv_u64(pg, data_len) >> HNS3_UINT16_BIT);
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/* update index for next loop */
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- i += svcntd();
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- pkts += svcntd();
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- txdp += svcntd();
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- tx_entry += svcntd();
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- pg = svwhilelt_b64_u32(i, nb_pkts);
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- } while (svptest_any(svptrue_b64(), pg));
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+ i += cnt;
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+ pkts += cnt;
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+ txdp += cnt;
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+ tx_entry += cnt;
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+ }
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}
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static uint16_t
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--
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2.23.0
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