From patchwork Fri May 8 13:02:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hemant Agrawal X-Patchwork-Id: 186336 Delivered-To: patch@linaro.org Received: by 2002:a92:8d81:0:0:0:0:0 with SMTP id w1csp4158111ill; Fri, 8 May 2020 06:04:54 -0700 (PDT) X-Google-Smtp-Source: APiQypIdJ5ft7creBjdN4Ye6q40oKzSnAXWekDwqWsjtE3LpgUnF9teuRq3GYkc6hqbQNdB+SUbv X-Received: by 2002:a50:c01a:: with SMTP id r26mr2074883edb.361.1588943094057; Fri, 08 May 2020 06:04:54 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1588943094; cv=none; d=google.com; s=arc-20160816; b=fiMBJnr+XEK8qf2avCuHAMtHKhCLlDGk6d9s23aCyyEFj6MZWYGL/ZAeDPn6lGvYBU flhp+WFEMZSvP0XQ4eWj0kyHZg19X3xMF0j5rdt/JIuLKq76vIAWhLWEEb+OXMtRzsct /SeQ77pP0MjehTu/q/W1EMj4oKt3TyfWohtHa5MYWWIa6SDNwgJhQPkdY92bi8api6gm P6999S0A7usFzJdyv9Apr5xmoLbH4thgeDFtBunS68ANyaYPqYPEZOUYEQNqRkaoMAFd EhsuMQyCZbT2HQLzJZlLicS7AYI1xUnP0z9LLt2pnasZaNjn3YVdfMfH9t6zorjM9fl+ 14zQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:subject:references:in-reply-to :message-id:date:cc:to:from; bh=u23Kdd/Xe3zsIu55M/OBIAvx3fWFeNM+FBLo+mpKd1w=; b=CEWKNvm/uCGqdLpoOWzyYgWbVBRpxIn8Tzo1lkH3PUWb43YbpIPez4PvMjABNj20wA GSFt2D1JNCyn3UJbUG0wZOyAwFqHoJ98cL08HVu/Vw0KX138S49ZsWiv7nCEHDVOnn5u 10BEpZYo2KX+1C27TGbS5qVmSqQfHX5nVwrUC7I3Bkc/3ByujmoHqQWLpPMifDMyM28c pR4UkQRxHIxCdA+mTdNkWTmqcj461zs2sQHC8v9kqLwSiv7hSqAfZXSwXY29NazIfbWG RbnelWz7B4YAJP85xNEUErs/SM5WC500/61fncurmF0LEgVEQW2FRfiZpW2usEB/hQng MK4w== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of dev-bounces@dpdk.org designates 92.243.14.124 as permitted sender) smtp.mailfrom=dev-bounces@dpdk.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=nxp.com Return-Path: Received: from dpdk.org (dpdk.org. [92.243.14.124]) by mx.google.com with ESMTP id g15si1003016eds.159.2020.05.08.06.04.53; Fri, 08 May 2020 06:04:54 -0700 (PDT) Received-SPF: pass (google.com: domain of dev-bounces@dpdk.org designates 92.243.14.124 as permitted sender) client-ip=92.243.14.124; Authentication-Results: mx.google.com; spf=pass (google.com: domain of dev-bounces@dpdk.org designates 92.243.14.124 as permitted sender) smtp.mailfrom=dev-bounces@dpdk.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=nxp.com Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 40F7C1DB97; Fri, 8 May 2020 15:04:31 +0200 (CEST) Received: from inva021.nxp.com (inva021.nxp.com [92.121.34.21]) by dpdk.org (Postfix) with ESMTP id 470F21DB16 for ; Fri, 8 May 2020 15:04:26 +0200 (CEST) Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 226A5201389; Fri, 8 May 2020 15:04:26 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 49F75201392; Fri, 8 May 2020 15:04:24 +0200 (CEST) Received: from bf-netperf1.ap.freescale.net (bf-netperf1.ap.freescale.net [10.232.133.63]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id C3F0440310; Fri, 8 May 2020 21:04:21 +0800 (SGT) From: Hemant Agrawal To: dev@dpdk.org, ferruh.yigit@intel.com Cc: Nipun Gupta Date: Fri, 8 May 2020 18:32:04 +0530 Message-Id: <20200508130211.14334-4-hemant.agrawal@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200508130211.14334-1-hemant.agrawal@nxp.com> References: <20200507104645.31990-1-hemant.agrawal@nxp.com> <20200508130211.14334-1-hemant.agrawal@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Subject: [dpdk-dev] [PATCH v6 03/10] net/dpaa2: do not prefetch annotaion for physical mode X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 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" From: Nipun Gupta When IOVA is physical address do not prefetch the annotation of the next frame, as there is a cost involved there to convert the physical address to virtual address. Signed-off-by: Nipun Gupta --- drivers/bus/fslmc/portal/dpaa2_hw_pvt.h | 6 ++-- drivers/net/dpaa2/dpaa2_rxtx.c | 40 +++++++++++++++---------- 2 files changed, 28 insertions(+), 18 deletions(-) -- 2.17.1 diff --git a/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h b/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h index 44d3d49c7a..368fe7c688 100644 --- a/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h +++ b/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved. - * Copyright 2016-2019 NXP + * Copyright 2016-2020 NXP * */ @@ -395,8 +395,8 @@ static phys_addr_t dpaa2_mem_vtop(uint64_t vaddr) #else /* RTE_LIBRTE_DPAA2_USE_PHYS_IOVA */ #define DPAA2_MBUF_VADDR_TO_IOVA(mbuf) ((mbuf)->buf_addr) -#define DPAA2_VADDR_TO_IOVA(_vaddr) (_vaddr) -#define DPAA2_IOVA_TO_VADDR(_iova) (_iova) +#define DPAA2_VADDR_TO_IOVA(_vaddr) (phys_addr_t)(_vaddr) +#define DPAA2_IOVA_TO_VADDR(_iova) (void *)(_iova) #define DPAA2_MODIFY_IOVA_TO_VADDR(_mem, _type) #endif /* RTE_LIBRTE_DPAA2_USE_PHYS_IOVA */ diff --git a/drivers/net/dpaa2/dpaa2_rxtx.c b/drivers/net/dpaa2/dpaa2_rxtx.c index 703f0549ad..89a8221cb8 100644 --- a/drivers/net/dpaa2/dpaa2_rxtx.c +++ b/drivers/net/dpaa2/dpaa2_rxtx.c @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved. - * Copyright 2016-2019 NXP + * Copyright 2016-2020 NXP * */ @@ -324,8 +324,8 @@ static inline struct rte_mbuf *__rte_hot eth_fd_to_mbuf(const struct qbman_fd *fd, int port_id) { - struct rte_mbuf *mbuf = DPAA2_INLINE_MBUF_FROM_BUF( - DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd)), + void *iova_addr = DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd)); + struct rte_mbuf *mbuf = DPAA2_INLINE_MBUF_FROM_BUF(iova_addr, rte_dpaa2_bpid_info[DPAA2_GET_FD_BPID(fd)].meta_data_size); /* need to repopulated some of the fields, @@ -350,8 +350,7 @@ eth_fd_to_mbuf(const struct qbman_fd *fd, dpaa2_dev_rx_parse_new(mbuf, fd); else mbuf->packet_type = dpaa2_dev_rx_parse(mbuf, - (void *)((size_t)DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd)) - + DPAA2_FD_PTA_SIZE)); + (void *)((size_t)iova_addr + DPAA2_FD_PTA_SIZE)); DPAA2_PMD_DP_DEBUG("to mbuf - mbuf =%p, mbuf->buf_addr =%p, off = %d," "fd_off=%d fd =%" PRIx64 ", meta = %d bpid =%d, len=%d\n", @@ -518,7 +517,7 @@ dpaa2_dev_prefetch_rx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts) int ret, num_rx = 0, pull_size; uint8_t pending, status; struct qbman_swp *swp; - const struct qbman_fd *fd, *next_fd; + const struct qbman_fd *fd; struct qbman_pull_desc pulldesc; struct queue_storage_info_t *q_storage = dpaa2_q->q_storage; struct rte_eth_dev_data *eth_data = dpaa2_q->eth_data; @@ -617,12 +616,15 @@ dpaa2_dev_prefetch_rx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts) } fd = qbman_result_DQ_fd(dq_storage); +#ifndef RTE_LIBRTE_DPAA2_USE_PHYS_IOVA if (dpaa2_svr_family != SVR_LX2160A) { - next_fd = qbman_result_DQ_fd(dq_storage + 1); + const struct qbman_fd *next_fd = + qbman_result_DQ_fd(dq_storage + 1); /* Prefetch Annotation address for the parse results */ - rte_prefetch0((void *)(size_t)(DPAA2_GET_FD_ADDR( - next_fd) + DPAA2_FD_PTA_SIZE + 16)); + rte_prefetch0(DPAA2_IOVA_TO_VADDR((DPAA2_GET_FD_ADDR( + next_fd) + DPAA2_FD_PTA_SIZE + 16))); } +#endif if (unlikely(DPAA2_FD_GET_FORMAT(fd) == qbman_fd_sg)) bufs[num_rx] = eth_sg_fd_to_mbuf(fd, eth_data->port_id); @@ -753,7 +755,7 @@ dpaa2_dev_rx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts) int ret, num_rx = 0, next_pull = nb_pkts, num_pulled; uint8_t pending, status; struct qbman_swp *swp; - const struct qbman_fd *fd, *next_fd; + const struct qbman_fd *fd; struct qbman_pull_desc pulldesc; struct rte_eth_dev_data *eth_data = dpaa2_q->eth_data; @@ -819,11 +821,19 @@ dpaa2_dev_rx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts) } fd = qbman_result_DQ_fd(dq_storage); - next_fd = qbman_result_DQ_fd(dq_storage + 1); - /* Prefetch Annotation address for the parse results */ - rte_prefetch0( - (void *)(size_t)(DPAA2_GET_FD_ADDR(next_fd) - + DPAA2_FD_PTA_SIZE + 16)); +#ifndef RTE_LIBRTE_DPAA2_USE_PHYS_IOVA + if (dpaa2_svr_family != SVR_LX2160A) { + const struct qbman_fd *next_fd = + qbman_result_DQ_fd(dq_storage + 1); + + /* Prefetch Annotation address for the parse + * results. + */ + rte_prefetch0((DPAA2_IOVA_TO_VADDR( + DPAA2_GET_FD_ADDR(next_fd) + + DPAA2_FD_PTA_SIZE + 16))); + } +#endif if (unlikely(DPAA2_FD_GET_FORMAT(fd) == qbman_fd_sg)) bufs[num_rx] = eth_sg_fd_to_mbuf(fd,