From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 8A08BA0547 for ; Wed, 27 Oct 2021 09:54:29 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 122A740040; Wed, 27 Oct 2021 09:54:29 +0200 (CEST) Received: from DEU01-FR2-obe.outbound.protection.outlook.com (mail-fr2deu01on2046.outbound.protection.outlook.com [40.107.135.46]) by mails.dpdk.org (Postfix) with ESMTP id 315CB4003F for ; Wed, 27 Oct 2021 09:54:27 +0200 (CEST) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=N3cdKzSZdhuHjUSCFfaLNbJQ0KHOkoudZcTJw3QwslvMtoqG92f2MElTsMG+Te0KTh9p4Jo4LBqJFLchQ2r4kBIJBAcpJs33f5wX54gSFWMf5PTOC8gDj5pS9YpvHctFtfBK+xXTu1th7GUTp2KZ7QYP37eQc4sC69rYbKnB8+hz4Z2SWXEzY5lfQL/nGP8bCC097fD/z/+KCLRMrjFnqjeQbXN8t0K/MKN6d2LcP4XiWUFyy+j6vv4OcNnCQyV4Rkd8mHNxfoT2ifapeIPrSxTNYkfxf9AzuHCHa5z7AZBmjkfekNUbmGiIbkSD8neocTF6iGdC7LyI9A5MuqKErQ== ARC-Message-Signature: i=1; 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Received: from FRYP281MB0142.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:2::13) by FRYP281MB0111.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:3::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4649.11; Wed, 27 Oct 2021 07:54:25 +0000 Received: from FRYP281MB0142.DEUP281.PROD.OUTLOOK.COM ([fe80::85:a39:6f67:b52f]) by FRYP281MB0142.DEUP281.PROD.OUTLOOK.COM ([fe80::85:a39:6f67:b52f%9]) with mapi id 15.20.4649.014; Wed, 27 Oct 2021 07:54:25 +0000 Message-ID: <71596f6d-3b29-378f-e284-928ab3dfce14@allegro-packets.com> Date: Wed, 27 Oct 2021 09:54:23 +0200 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.2.1 Subject: Re: mlx5 VF packet lost between rx_port_unicast_packets and rx_good_packets Content-Language: de-DE To: "Yan, Xiaoping (NSB - CN/Hangzhou)" , David Marchand Cc: Asaf Penso , "users@dpdk.org" , Slava Ovsiienko , Matan Azrad , Raslan Darawsheh References: <0fbb0c1b5a2b4fd3b95d7238db101698@nokia-sbell.com> <16515cb8ebbb4e7d833914040fa5943f@nokia-sbell.com> <22e029bf2ae6407e910cb2dcf11d49ce@nokia-sbell.com> <4b0dd266b53541c7bc4964c29e24a0e6@nokia-sbell.com> <6a5324c1ba0740b4aff5ff861a9f125a@nokia-sbell.com> <66a6a919379744518f623c186ba4ff96@nokia-sbell.com> <01df3faaba304633b93daa26d76baf65@nokia-sbell.com> <8dcbb2d79a00490eb90811a80033b67b@nokia-sbell.com> From: Martin Weiser In-Reply-To: <8dcbb2d79a00490eb90811a80033b67b@nokia-sbell.com> Content-Type: text/plain; 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I opened a ticket a while ago regarding this issue: https://bugs.dpdk.org/show_bug.cgi?id=749 Best regards, Martin Am 27.10.21 um 08:17 schrieb Yan, Xiaoping (NSB - CN/Hangzhou): > Hi, > > I tried with dpdk 20.11-3 downloaded from https://fast.dpdk.org/rel/dpdk-20.11.3.tar.xz > Problem still exist: > 1. there is packet loss with 2mpps (small packet), > 2. no counter for the dropped packet in NIC. > > traffic generator stats: sends 41990938, receives back 41986105, lost 4833 > testpmd fwd stats: RX-packets: 41986110, TX-packets: 41986110 > port xstats: rx_unicast_packets: 41990938 (all packets reached to the NIC port), rx_good_packets: 41986111 (some is lost), but there is not any counter of the lost packet. > > Here is the log: > [root@up-0 /]# dpdk-testpmd -l "2,3" --legacy-mem --socket-mem "5000,0" -a 0000:03:06.7 -- -i --nb-cores=1 --portmask=0x1 --rxd=512 --txd=512 > EAL: Detected 28 lcore(s) > EAL: Detected 2 NUMA nodes > EAL: Detected static linkage of DPDK > EAL: Multi-process socket /var/run/dpdk/rte/mp_socket > EAL: Selected IOVA mode 'VA' > EAL: No available hugepages reported in hugepages-2048kB > EAL: Probing VFIO support... > EAL: Probe PCI driver: mlx5_pci (15b3:1018) device: 0000:03:06.7 (socket 0) > mlx5_pci: cannot bind mlx5 socket: Read-only file system > mlx5_pci: Cannot initialize socket: Read-only file system > EAL: No legacy callbacks, legacy socket not created > Interactive-mode selected > testpmd: create a new mbuf pool : n=155456, size=2176, socket=0 > testpmd: preferred mempool ops selected: ring_mp_mc > > Warning! port-topology=paired and odd forward ports number, the last port will pair with itself. > > Configuring Port 0 (socket 0) > Port 0: 7A:9A:8A:A6:86:93 > Checking link statuses... > Done > testpmd> port stop 0 > Stopping ports... > Checking link statuses... > Done > testpmd> vlan set filter on 0 > testpmd> rx_vlan add 767 0 > testpmd> port start 0 > Port 0: 7A:9A:8A:A6:86:93 > Checking link statuses... > Done > testpmd> set fwd 5tswap > Set 5tswap packet forwarding mode > testpmd> start > 5tswap packet forwarding - ports=1 - cores=1 - streams=1 - NUMA support enabled, MP allocation mode: native > Logical Core 3 (socket 0) forwards packets on 1 streams: > RX P=0/Q=0 (socket 0) -> TX P=0/Q=0 (socket 0) peer=02:00:00:00:00:00 > > 5tswap packet forwarding packets/burst=32 > nb forwarding cores=1 - nb forwarding ports=1 > port 0: RX queue number: 1 Tx queue number: 1 > Rx offloads=0x200 Tx offloads=0x0 > RX queue: 0 > RX desc=512 - RX free threshold=64 > RX threshold registers: pthresh=0 hthresh=0 wthresh=0 > RX Offloads=0x200 > TX queue: 0 > TX desc=512 - TX free threshold=0 > TX threshold registers: pthresh=0 hthresh=0 wthresh=0 > TX offloads=0x0 - TX RS bit threshold=0 > > testpmd> show fwd stats all > > ---------------------- Forward statistics for port 0 ---------------------- > RX-packets: 41986110 RX-dropped: 0 RX-total: 41986110 > TX-packets: 41986110 TX-dropped: 0 TX-total: 41986110 > ---------------------------------------------------------------------------- > > testpmd> show port xstats 0 > ###### NIC extended statistics for port 0 > rx_good_packets: 41986111 > tx_good_packets: 41986111 > rx_good_bytes: 3106973594 > tx_good_bytes: 3106973594 > rx_missed_errors: 0 > rx_errors: 0 > tx_errors: 0 > rx_mbuf_allocation_errors: 0 > rx_q0_packets: 41986111 > rx_q0_bytes: 3106973594 > rx_q0_errors: 0 > tx_q0_packets: 41986111 > tx_q0_bytes: 3106973594 > rx_wqe_errors: 0 > rx_unicast_packets: 41990938 > rx_unicast_bytes: 3107329412 > tx_unicast_packets: 41986111 > tx_unicast_bytes: 3106973594 > rx_multicast_packets: 1 > rx_multicast_bytes: 114 > tx_multicast_packets: 0 > tx_multicast_bytes: 0 > rx_broadcast_packets: 5 > rx_broadcast_bytes: 1710 > tx_broadcast_packets: 0 > tx_broadcast_bytes: 0 > tx_phy_packets: 0 > rx_phy_packets: 0 > rx_phy_crc_errors: 0 > tx_phy_bytes: 0 > rx_phy_bytes: 0 > rx_phy_in_range_len_errors: 0 > rx_phy_symbol_errors: 0 > rx_phy_discard_packets: 0 > tx_phy_discard_packets: 0 > tx_phy_errors: 0 > rx_out_of_buffer: 0 > tx_pp_missed_interrupt_errors: 0 > tx_pp_rearm_queue_errors: 0 > tx_pp_clock_queue_errors: 0 > tx_pp_timestamp_past_errors: 0 > tx_pp_timestamp_future_errors: 0 > tx_pp_jitter: 0 > tx_pp_wander: 0 > tx_pp_sync_lost: 0 > testpmd> q > Command not found > testpmd> exit > Command not found > testpmd> quit > Telling cores to stop... > Waiting for lcores to finish... > > ---------------------- Forward statistics for port 0 ---------------------- > RX-packets: 41986112 RX-dropped: 0 RX-total: 41986112 > TX-packets: 41986112 TX-dropped: 0 TX-total: 41986112 > ---------------------------------------------------------------------------- > > Best regards > Yan Xiaoping > > -----Original Message----- > From: David Marchand > Sent: 2021年10月18日 18:45 > To: Yan, Xiaoping (NSB - CN/Hangzhou) > Cc: Asaf Penso ; users@dpdk.org; Slava Ovsiienko ; Matan Azrad ; Raslan Darawsheh > Subject: Re: mlx5 VF packet lost between rx_port_unicast_packets and rx_good_packets > > On Mon, Oct 18, 2021 at 11:28 AM Yan, Xiaoping (NSB - CN/Hangzhou) wrote: >> I have cloned dpdk code from github >> >> [xiaopiya@fedora30 dpdk]$ git remote -v origin >> https://github.com/DPDK/dpdk.git (fetch) origin >> https://github.com/DPDK/dpdk.git (push) >> >> which tag should I use? >> >> Or do I have to download 20.11.3 from git.dpdk.org? >> >> Sorry, I don’t know the relation between https://github.com/DPDK and git.dpdk.org? > Github DPDK/dpdk repo is a replication of the main repo hosted on dpdk.org servers. > > The official git repos and releases tarballs are on dpdk.org servers. > The list of official releases tarballs is at: http://core.dpdk.org/download/ The main repo git is at: https://git.dpdk.org/dpdk/ The LTS/stable releases repo git is at: https://git.dpdk.org/dpdk-stable/ > > > -- > David Marchand >