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 481F5A04E7; Tue, 3 Nov 2020 01:19:36 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 76E96C30D; Tue, 3 Nov 2020 01:15:02 +0100 (CET) Received: from wnew3-smtp.messagingengine.com (wnew3-smtp.messagingengine.com [64.147.123.17]) by dpdk.org (Postfix) with ESMTP id BC50EC30D for ; Tue, 3 Nov 2020 01:15:00 +0100 (CET) Received: from compute2.internal (compute2.nyi.internal [10.202.2.42]) by mailnew.west.internal (Postfix) with ESMTP id 32697AD6; Mon, 2 Nov 2020 19:14:58 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute2.internal (MEProxy); Mon, 02 Nov 2020 19:14:59 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=fm2; bh=wnBAY/U+08306 4Icca5gEZqc9nih+whCQ+ULMbm2V7U=; b=BB3HdmgqFM8P3AvM2e5ggMCLuoJvZ EMGHT32YjNqEurURHkDs+pHvEvli1kTvIXAx9uiQX8K66wNYzZ8oUokZ700oCo2S ezCYYDZsE2/QP/F0ssIflzYyRsCPIO2CNxMDEziZMYver0jCAEbjMm/aY7QzAh2n n9Na4ooCNCl3f2zLE+yAurNFvb94dr4iaot4NvZF6IaFo18ahXOAr1/lWGFhWoxY iUYAL/JJyhGLL8nANCvoajkRaq7iCZVTpLgwJUmE+u0VdxykAt069xI41ScDdmM6 AJXzyHzGDAULc/w0iKs8QaHyH2KWlekr4/9jLssEGJLdanjpM11IJK8iA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm1; bh=wnBAY/U+083064Icca5gEZqc9nih+whCQ+ULMbm2V7U=; b=NPfJeHYp G6SeIWhoz12OkXb9Oh7XRm3W0WT+/aQicfIcBIK+lpghOgMKmidrwRPF9vFjpCjA O5SksJuJvF75S/40FnTDIBUD7t4rL3tqMadU0k8yOSvqwK0WH0o8Xo34tPOtVxeQ 5hZu8mPlRg0/N6LAVJFAkKbo+Nr0V52oi1bz20e64C49rm9bElTlDMo2bgNzYaKK 5eloC6CEHCFcVakOJVf3ebfyzhirzrsab/1lhtpzf9cPrF3HK+Txx+J4HQ9GTBlw z2UqQsHssv5ud5zdifhzP8G/yWx5b+oi5xq3sd1t2C5b0imLO0KvI7Q7U990/v4y Hi2o426CKeT1eA== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedujedruddtvddgudejucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvufffkffojghfggfgsedtkeertdertddtnecuhfhrohhmpefvhhhomhgr shcuofhonhhjrghlohhnuceothhhohhmrghssehmohhnjhgrlhhonhdrnhgvtheqnecugg ftrfgrthhtvghrnhepjefhhffhvedvledtiedttdeigfejgeehvdfghfdvhfegvdehieel ieejhedvfeeknecuffhomhgrihhnpehrgihmohguvgdrmhhqnecukfhppeejjedrudefge drvddtfedrudekgeenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhl fhhrohhmpehthhhomhgrshesmhhonhhjrghlohhnrdhnvght X-ME-Proxy: Received: from xps.monjalon.net (184.203.134.77.rev.sfr.net [77.134.203.184]) by mail.messagingengine.com (Postfix) with ESMTPA id 57574306467D; Mon, 2 Nov 2020 19:14:56 -0500 (EST) From: Thomas Monjalon To: dev@dpdk.org Cc: ferruh.yigit@intel.com, david.marchand@redhat.com, bruce.richardson@intel.com, olivier.matz@6wind.com, andrew.rybchenko@oktetlabs.ru, jerinj@marvell.com, viacheslavo@nvidia.com, Wenzhuo Lu , Beilei Xing , Bernard Iremonger , Matan Azrad , Shahaf Shuler Date: Tue, 3 Nov 2020 01:14:07 +0100 Message-Id: <20201103001407.2931963-17-thomas@monjalon.net> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201103001407.2931963-1-thomas@monjalon.net> References: <20201029092751.3837177-1-thomas@monjalon.net> <20201103001407.2931963-1-thomas@monjalon.net> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH v3 16/16] ethdev: include mbuf registration in Tx timestamp API 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" Previously, the Tx timestamp field and flag were registered in testpmd, as described in mlx5 guide. For consistency between Rx and Tx timestamps, managing mbuf registrations inside the driver, as properly documented, is a simpler expectation. The only driver to support this feature (mlx5) is updated as well as the testpmd application. Signed-off-by: Thomas Monjalon --- app/test-pmd/config.c | 38 ---------------------------------- doc/guides/nics/mlx5.rst | 5 ++--- drivers/net/mlx5/mlx5_ethdev.c | 8 ++++++- lib/librte_ethdev/rte_ethdev.h | 6 +++++- 4 files changed, 14 insertions(+), 43 deletions(-) diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c index 1668ae3238..9a2baf16fe 100644 --- a/app/test-pmd/config.c +++ b/app/test-pmd/config.c @@ -3955,44 +3955,6 @@ show_tx_pkt_times(void) void set_tx_pkt_times(unsigned int *tx_times) { - uint16_t port_id; - int offload_found = 0; - int offset; - int flag; - - static const struct rte_mbuf_dynfield desc_offs = { - .name = RTE_MBUF_DYNFIELD_TIMESTAMP_NAME, - .size = sizeof(uint64_t), - .align = __alignof__(uint64_t), - }; - static const struct rte_mbuf_dynflag desc_flag = { - .name = RTE_MBUF_DYNFLAG_TX_TIMESTAMP_NAME, - }; - - RTE_ETH_FOREACH_DEV(port_id) { - struct rte_eth_dev_info dev_info = { 0 }; - int ret; - - ret = rte_eth_dev_info_get(port_id, &dev_info); - if (ret == 0 && dev_info.tx_offload_capa & - DEV_TX_OFFLOAD_SEND_ON_TIMESTAMP) { - offload_found = 1; - break; - } - } - if (!offload_found) { - printf("No device supporting Tx timestamp scheduling found, " - "dynamic flag and field not registered\n"); - return; - } - offset = rte_mbuf_dynfield_register(&desc_offs); - if (offset < 0 && rte_errno != EEXIST) - printf("Dynamic timestamp field registration error: %d", - rte_errno); - flag = rte_mbuf_dynflag_register(&desc_flag); - if (flag < 0 && rte_errno != EEXIST) - printf("Dynamic timestamp flag registration error: %d", - rte_errno); tx_pkt_times_inter = tx_times[0]; tx_pkt_times_intra = tx_times[1]; } diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst index afa65a1379..fa8b13dd1b 100644 --- a/doc/guides/nics/mlx5.rst +++ b/doc/guides/nics/mlx5.rst @@ -237,9 +237,8 @@ Limitations ``txq_inline_max`` and ``txq_inline_mpw`` devargs keys. - To provide the packet send scheduling on mbuf timestamps the ``tx_pp`` - parameter should be specified, RTE_MBUF_DYNFIELD_TIMESTAMP_NAME and - RTE_MBUF_DYNFLAG_TIMESTAMP_NAME should be registered by application. - When PMD sees the RTE_MBUF_DYNFLAG_TIMESTAMP_NAME set on the packet + parameter should be specified. + When PMD sees the RTE_MBUF_DYNFLAG_TX_TIMESTAMP_NAME set on the packet being sent it tries to synchronize the time of packet appearing on the wire with the specified packet timestamp. It the specified one is in the past it should be ignored, if one is in the distant future diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c index 7631f644b2..76ef02664f 100644 --- a/drivers/net/mlx5/mlx5_ethdev.c +++ b/drivers/net/mlx5/mlx5_ethdev.c @@ -88,7 +88,13 @@ mlx5_dev_configure(struct rte_eth_dev *dev) if (dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) dev->data->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH; - + if ((dev->data->dev_conf.txmode.offloads & + DEV_TX_OFFLOAD_SEND_ON_TIMESTAMP) && + rte_mbuf_dyn_tx_timestamp_register(NULL, NULL) != 0) { + DRV_LOG(ERR, "port %u cannot register Tx timestamp field/flag", + dev->data->port_id); + return -rte_errno; + } memcpy(priv->rss_conf.rss_key, use_app_rss_key ? dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key : diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h index 1fc5f662fa..619cbe521e 100644 --- a/lib/librte_ethdev/rte_ethdev.h +++ b/lib/librte_ethdev/rte_ethdev.h @@ -1413,7 +1413,11 @@ struct rte_eth_conf { #define DEV_TX_OFFLOAD_IP_TNL_TSO 0x00080000 /** Device supports outer UDP checksum */ #define DEV_TX_OFFLOAD_OUTER_UDP_CKSUM 0x00100000 -/** Device supports send on timestamp */ +/** + * Device sends on time read from RTE_MBUF_DYNFIELD_TIMESTAMP_NAME + * if RTE_MBUF_DYNFLAG_TX_TIMESTAMP_NAME is set in ol_flags. + * The mbuf field and flag are registered when the offload is configured. + */ #define DEV_TX_OFFLOAD_SEND_ON_TIMESTAMP 0x00200000 /* * If new Tx offload capabilities are defined, they also must be -- 2.28.0