From patchwork Mon Oct 26 05:20:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Monjalon X-Patchwork-Id: 82154 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 6C7BAA04B5; Mon, 26 Oct 2020 06:24:40 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id CAB162E8F; Mon, 26 Oct 2020 06:21:49 +0100 (CET) Received: from out2-smtp.messagingengine.com (out2-smtp.messagingengine.com [66.111.4.26]) by dpdk.org (Postfix) with ESMTP id 238313421 for ; Mon, 26 Oct 2020 06:21:41 +0100 (CET) Received: from compute2.internal (compute2.nyi.internal [10.202.2.42]) by mailout.nyi.internal (Postfix) with ESMTP id CA30F5C0100; Mon, 26 Oct 2020 01:21:40 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute2.internal (MEProxy); Mon, 26 Oct 2020 01:21:40 -0400 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=fzsKl0yln40TA ajsFvg+NAcG2zNL8nTOFrxFCvNpBJs=; b=kGRFOr4veqiV88O7lQ8uoRpPD+g6u wTOZtbTJaThFxOOCQsNUS5iGcIMwUpZbYekGltDWY/8bz6FfyjzzDQTSptOqogZi Qh4rkx1MSvRm0kolQpiVq4DfgT/f4Qg1ycpVwIW3eX2tbMYRhpZ35HtQPWDnOeN5 wd4Ki2qtbhame2DAPekn2xeoLT0FplMDLdMjo5VmKUE/8wFG3iumw31jsCDhgYD3 xF1bQ/eF4871BfNgZTUH7NbiUnowMASU8tyMcfUwXTJamSt6V2OxtRosAcBWRfLu Q9Fci2q43EIIufp3+HP62XhQg9gUvYIhUTjDFTQj8FmgTtQPdxfdtAu4A== 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=fzsKl0yln40TAajsFvg+NAcG2zNL8nTOFrxFCvNpBJs=; b=JJkCYniV mThypwdt9wortS99+/glMdJ46VsN41W/+/cX+mEEVCnm6+LWEydJ5waNlLoPM9GF nhXyZ6zPDpcd7olE8+2UIZBW1gewF1giiRBi1QpHpC7VTyXUkrYuCURHl7GF2TnC d29+L+gGcTwV4Jpqp6dC3AI0/mxQivXOq9rNQ507WQFb/P23/Ih8xfxXDaQCAV0o oowTAaJBI5TwEmt24Ea5mpJr/zKQmH2IBoqnFxZo6tx8HhhFo6DZrmDj3yB1Iocm 95WDJ8ccMl70gdXElTkPxPVqR8VQIiPLVnJv/4P5QpG3nFI2nlwp3tlRcvT5mgtx gZ8oCP+ZWIeoFA== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedujedrkeehgdekgecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenuc fjughrpefhvffufffkofgjfhgggfestdekredtredttdenucfhrhhomhepvfhhohhmrghs ucfoohhnjhgrlhhonhcuoehthhhomhgrshesmhhonhhjrghlohhnrdhnvghtqeenucggtf frrghtthgvrhhnpedvhefgiedvjeegtdevheefhfetleefgfeivefgffevfeejgedtgfeu tdehtdegveenucfkphepjeejrddufeegrddvtdefrddukeegnecuvehluhhsthgvrhfuih iivgepjeenucfrrghrrghmpehmrghilhhfrhhomhepthhhohhmrghssehmohhnjhgrlhho nhdrnhgvth 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 B65143064610; Mon, 26 Oct 2020 01:21:39 -0400 (EDT) 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, akhil.goyal@nxp.com, Yong Wang Date: Mon, 26 Oct 2020 06:20:59 +0100 Message-Id: <20201026052105.1561859-10-thomas@monjalon.net> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201026052105.1561859-1-thomas@monjalon.net> References: <20201026052105.1561859-1-thomas@monjalon.net> MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH 09/15] net/vmxnet3: switch MSS hint to dynamic mbuf field 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" The segment count, used for MSS guess, was stored in the deprecated mbuf field udata64. It is moved to a dynamic field in order to allow removal of udata64. Signed-off-by: Thomas Monjalon --- drivers/net/vmxnet3/vmxnet3_ethdev.c | 15 +++++++++++++++ drivers/net/vmxnet3/vmxnet3_ethdev.h | 2 ++ drivers/net/vmxnet3/vmxnet3_rxtx.c | 10 ++++++---- 3 files changed, 23 insertions(+), 4 deletions(-) diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.c b/drivers/net/vmxnet3/vmxnet3_ethdev.c index 6920ab568c..eeb1152b61 100644 --- a/drivers/net/vmxnet3/vmxnet3_ethdev.c +++ b/drivers/net/vmxnet3/vmxnet3_ethdev.c @@ -59,6 +59,8 @@ DEV_RX_OFFLOAD_JUMBO_FRAME | \ DEV_RX_OFFLOAD_RSS_HASH) +int vmxnet3_segs_dynfield_offset; + static int eth_vmxnet3_dev_init(struct rte_eth_dev *eth_dev); static int eth_vmxnet3_dev_uninit(struct rte_eth_dev *eth_dev); static int vmxnet3_dev_configure(struct rte_eth_dev *dev); @@ -233,6 +235,11 @@ eth_vmxnet3_dev_init(struct rte_eth_dev *eth_dev) struct vmxnet3_hw *hw = eth_dev->data->dev_private; uint32_t mac_hi, mac_lo, ver; struct rte_eth_link link; + static const struct rte_mbuf_dynfield vmxnet3_segs_dynfield_desc = { + .name = "rte_net_vmxnet3_dynfield_segs", + .size = sizeof(uint8_t), + .align = __alignof__(uint8_t), + }; PMD_INIT_FUNC_TRACE(); @@ -242,6 +249,14 @@ eth_vmxnet3_dev_init(struct rte_eth_dev *eth_dev) eth_dev->tx_pkt_prepare = vmxnet3_prep_pkts; pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); + /* extra mbuf field is required to guess MSS */ + vmxnet3_segs_dynfield_offset = + rte_mbuf_dynfield_register(&vmxnet3_segs_dynfield_desc); + if (vmxnet3_segs_dynfield_offset < 0) { + PMD_INIT_LOG(ERR, "Cannot register mbuf field."); + return -rte_errno; + } + /* * for secondary processes, we don't initialize any further as primary * has already done this work. diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.h b/drivers/net/vmxnet3/vmxnet3_ethdev.h index dd685b02b7..5730e94d50 100644 --- a/drivers/net/vmxnet3/vmxnet3_ethdev.h +++ b/drivers/net/vmxnet3/vmxnet3_ethdev.h @@ -193,4 +193,6 @@ uint16_t vmxnet3_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t vmxnet3_prep_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts); +extern int vmxnet3_segs_dynfield_offset; + #endif /* _VMXNET3_ETHDEV_H_ */ diff --git a/drivers/net/vmxnet3/vmxnet3_rxtx.c b/drivers/net/vmxnet3/vmxnet3_rxtx.c index e10f9ee870..6655622f94 100644 --- a/drivers/net/vmxnet3/vmxnet3_rxtx.c +++ b/drivers/net/vmxnet3/vmxnet3_rxtx.c @@ -674,6 +674,7 @@ vmxnet3_guess_mss(struct vmxnet3_hw *hw, const Vmxnet3_RxCompDesc *rcd, struct rte_ipv6_hdr *ipv6_hdr; struct rte_tcp_hdr *tcp_hdr; char *ptr; + uint8_t segs; RTE_ASSERT(rcd->tcp); @@ -710,9 +711,9 @@ vmxnet3_guess_mss(struct vmxnet3_hw *hw, const Vmxnet3_RxCompDesc *rcd, tcp_hdr = (struct rte_tcp_hdr *)(ptr + hlen); hlen += (tcp_hdr->data_off & 0xf0) >> 2; - if (rxm->udata64 > 1) - return (rte_pktmbuf_pkt_len(rxm) - hlen + - rxm->udata64 - 1) / rxm->udata64; + segs = *RTE_MBUF_DYNFIELD(rxm, vmxnet3_segs_dynfield_offset, uint8_t *); + if (segs > 1) + return (rte_pktmbuf_pkt_len(rxm) - hlen + segs - 1) / segs; else return hw->mtu - hlen + sizeof(struct rte_ether_hdr); } @@ -737,7 +738,8 @@ vmxnet3_rx_offload(struct vmxnet3_hw *hw, const Vmxnet3_RxCompDesc *rcd, (const Vmxnet3_RxCompDescExt *)rcd; rxm->tso_segsz = rcde->mss; - rxm->udata64 = rcde->segCnt; + *RTE_MBUF_DYNFIELD(rxm, vmxnet3_segs_dynfield_offset, + uint8_t *) = rcde->segCnt; ol_flags |= PKT_RX_LRO; } } else { /* Offloads set in eop */