From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id A63D1A034E; Thu, 7 May 2020 12:49:23 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 43ACE1DC03; Thu, 7 May 2020 12:49:06 +0200 (CEST) Received: from inva020.nxp.com (inva020.nxp.com [92.121.34.13]) by dpdk.org (Postfix) with ESMTP id 3C5E41DBEC for ; Thu, 7 May 2020 12:49:01 +0200 (CEST) Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id BCC7F1A1076; Thu, 7 May 2020 12:49:00 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id E19A01A1090; Thu, 7 May 2020 12:48:58 +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 BFE0A40288; Thu, 7 May 2020 18:48:56 +0800 (SGT) From: Hemant Agrawal To: dev@dpdk.org, ferruh.yigit@intel.com Cc: Nipun Gupta Date: Thu, 7 May 2020 16:16:39 +0530 Message-Id: <20200507104645.31990-4-hemant.agrawal@nxp.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200507104645.31990-1-hemant.agrawal@nxp.com> References: <20200504124118.22877-1-hemant.agrawal@nxp.com> <20200507104645.31990-1-hemant.agrawal@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Subject: [dpdk-dev] [PATCH v4 3/9] 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(-) 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, -- 2.17.1