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Ip=[193.27.93.18]; Helo=[mail.verint.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: HE1PR0101MB2508 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: [dpdk-users] rx-missed errors with the fortville nic X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Oct 2017 07:29:23 -0000 I would like your help in investigating a packet loss problem we have with = an XL710 NIC split in 4x10 configuration and the X710: Issue: While injecting traffic to one of the NICs ports we noticed that not all pa= ckets are received by the application - rx_missed statistic is incrementing= . HW Environment: - Dell power edge r630 (BIOS 2.4.3 - release 17/Jan/2017) - One XL710 NIC-QDA2 connected to a 4x10G splitter (FW 5.0 API 1.5 N= VM 05.00.05 eetrack 800029265, probe driver: 8086:1583 rte_i40e_pmd) o NIC is set to 4x10G SW Environment: - DPDK version 16.07 - the issue is reproduced on version 17.08 as w= ell. - 4 cores (2,4,6,8 on socket 0) "connected" to all 4 ports via a ded= icated queue in the following configuration example: o Core 4 -> queue (id=3D0) per port (0,1,2,3) o Core 6 -> queue (id=3D1) per port (0,1,2,3) o Core 8 -> queue (id=3D2) per port (0,1,2,3) o Core 10 -> queue (id=3D3) per port (0,1,2,3) Traffic profile: - Frame size : 500 bytes - Rate : 500000 FPS - encapsulation : ETH-IPv6-UDP Experiment #1 with "testpmd" application: Load: ~2403846 FPS. sudo ./testpmd -c 0x1555555555 -n 4 -- -i --nb-cores=3D16 --total-num-mbufs= =3D262144 --rxd=3D1024 --rxq=3D8 --txq=3D8 --numa --port-topology=3Dchained After starting, "show port stats" returned rx_missed counter > 0. Sample of port stats : ######################## NIC statistics for port 1 #######################= # RX-packets: 18393849 RX-missed: 112105508 RX-bytes: 67562507568 RX-errors: 2 RX-nombuf: 0 TX-packets: 42 TX-errors: 0 TX-bytes: 3387 Throughput (since last show) Rx-pps: 2152353 Tx-pps: 0 #########################################################################= ### Sample output when starting "testpmd": testpmd> start io packet forwarding - ports=3D4 - cores=3D16 - streams=3D32 - NUMA support= enabled, MP over anonymous pages disabled Logical Core 2 (socket 0) forwards packets on 2 streams: RX P=3D0/Q=3D0 (socket 0) -> TX P=3D1/Q=3D0 (socket 0) peer=3D02:00:00:00= :00:01 RX P=3D0/Q=3D1 (socket 0) -> TX P=3D1/Q=3D1 (socket 0) peer=3D02:00:00:00= :00:01 Logical Core 4 (socket 0) forwards packets on 2 streams: RX P=3D0/Q=3D2 (socket 0) -> TX P=3D1/Q=3D2 (socket 0) peer=3D02:00:00:00= :00:01 RX P=3D0/Q=3D3 (socket 0) -> TX P=3D1/Q=3D3 (socket 0) peer=3D02:00:00:00:= 00:01 Logical Core 6 (socket 0) forwards packets on 2 streams: RX P=3D0/Q=3D4 (socket 0) -> TX P=3D1/Q=3D4 (socket 0) peer=3D02:00:00:00= :00:01 RX P=3D0/Q=3D5 (socket 0) -> TX P=3D1/Q=3D5 (socket 0) peer=3D02:00:00:00= :00:01 Logical Core 8 (socket 0) forwards packets on 2 streams: RX P=3D0/Q=3D6 (socket 0) -> TX P=3D1/Q=3D6 (socket 0) peer=3D02:00:00:00= :00:01 RX P=3D0/Q=3D7 (socket 0) -> TX P=3D1/Q=3D7 (socket 0) peer=3D02:00:00:00= :00:01 Logical Core 10 (socket 0) forwards packets on 2 streams: RX P=3D1/Q=3D0 (socket 0) -> TX P=3D0/Q=3D0 (socket 0) peer=3D02:00:00:00= :00:00 RX P=3D1/Q=3D1 (socket 0) -> TX P=3D0/Q=3D1 (socket 0) peer=3D02:00:00:00= :00:00 Logical Core 12 (socket 0) forwards packets on 2 streams: RX P=3D1/Q=3D2 (socket 0) -> TX P=3D0/Q=3D2 (socket 0) peer=3D02:00:00:00= :00:00 RX P=3D1/Q=3D3 (socket 0) -> TX P=3D0/Q=3D3 (socket 0) peer=3D02:00:00:00= :00:00 Logical Core 14 (socket 0) forwards packets on 2 streams: RX P=3D1/Q=3D4 (socket 0) -> TX P=3D0/Q=3D4 (socket 0) peer=3D02:00:00:00= :00:00 RX P=3D1/Q=3D5 (socket 0) -> TX P=3D0/Q=3D5 (socket 0) peer=3D02:00:00:00= :00:00 Logical Core 16 (socket 0) forwards packets on 2 streams: RX P=3D1/Q=3D6 (socket 0) -> TX P=3D0/Q=3D6 (socket 0) peer=3D02:00:00:00= :00:00 RX P=3D1/Q=3D7 (socket 0) -> TX P=3D0/Q=3D7 (socket 0) peer=3D02:00:00:00= :00:00 Logical Core 18 (socket 0) forwards packets on 2 streams: RX P=3D2/Q=3D0 (socket 0) -> TX P=3D3/Q=3D0 (socket 0) peer=3D02:00:00:00= :00:03 RX P=3D2/Q=3D1 (socket 0) -> TX P=3D3/Q=3D1 (socket 0) peer=3D02:00:00:00= :00:03 Logical Core 20 (socket 0) forwards packets on 2 streams: RX P=3D2/Q=3D2 (socket 0) -> TX P=3D3/Q=3D2 (socket 0) peer=3D02:00:00:00= :00:03 RX P=3D2/Q=3D3 (socket 0) -> TX P=3D3/Q=3D3 (socket 0) peer=3D02:00:00:00= :00:03 Logical Core 22 (socket 0) forwards packets on 2 streams: RX P=3D2/Q=3D4 (socket 0) -> TX P=3D3/Q=3D4 (socket 0) peer=3D02:00:00:00= :00:03 RX P=3D2/Q=3D5 (socket 0) -> TX P=3D3/Q=3D5 (socket 0) peer=3D02:00:00:00= :00:03 Logical Core 24 (socket 0) forwards packets on 2 streams: RX P=3D2/Q=3D6 (socket 0) -> TX P=3D3/Q=3D6 (socket 0) peer=3D02:00:00:00= :00:03 RX P=3D2/Q=3D7 (socket 0) -> TX P=3D3/Q=3D7 (socket 0) peer=3D02:00:00:00= :00:03 Logical Core 26 (socket 0) forwards packets on 2 streams: RX P=3D3/Q=3D0 (socket 0) -> TX P=3D2/Q=3D0 (socket 0) peer=3D02:00:00:00= :00:02 RX P=3D3/Q=3D1 (socket 0) -> TX P=3D2/Q=3D1 (socket 0) peer=3D02:00:00:00= :00:02 Logical Core 28 (socket 0) forwards packets on 2 streams: RX P=3D3/Q=3D2 (socket 0) -> TX P=3D2/Q=3D2 (socket 0) peer=3D02:00:00:00= :00:02 RX P=3D3/Q=3D3 (socket 0) -> TX P=3D2/Q=3D3 (socket 0) peer=3D02:00:00:00= :00:02 Logical Core 30 (socket 0) forwards packets on 2 streams: RX P=3D3/Q=3D4 (socket 0) -> TX P=3D2/Q=3D4 (socket 0) peer=3D02:00:00:00= :00:02 RX P=3D3/Q=3D5 (socket 0) -> TX P=3D2/Q=3D5 (socket 0) peer=3D02:00:00:00= :00:02 Logical Core 32 (socket 0) forwards packets on 2 streams: RX P=3D3/Q=3D6 (socket 0) -> TX P=3D2/Q=3D6 (socket 0) peer=3D02:00:00:00= :00:02 RX P=3D3/Q=3D7 (socket 0) -> TX P=3D2/Q=3D7 (socket 0) peer=3D02:00:00:00= :00:02 Experiment #2 with "testpmd" application: The following configuration (2403846 FPS) generates no rx missed: sudo ./testpmd -c 0x15555 -n 4 -- -i --nb-cores=3D8 --total-num-mbufs=3D262= 144 --rxd=3D1024 --rxq=3D8 --txq=3D8 --numa --port-topology=3Dchained testpmd> start io packet forwarding - ports=3D4 - cores=3D8 - streams=3D32 - NUMA support = enabled, MP over anonymous pages disabled Logical Core 2 (socket 0) forwards packets on 4 streams: RX P=3D0/Q=3D0 (socket 0) -> TX P=3D1/Q=3D0 (socket 0) peer=3D02:00:00:00= :00:01 RX P=3D0/Q=3D1 (socket 0) -> TX P=3D1/Q=3D1 (socket 0) peer=3D02:00:00:00= :00:01 RX P=3D0/Q=3D2 (socket 0) -> TX P=3D1/Q=3D2 (socket 0) peer=3D02:00:00:00= :00:01 RX P=3D0/Q=3D3 (socket 0) -> TX P=3D1/Q=3D3 (socket 0) peer=3D02:00:00:00= :00:01 Logical Core 4 (socket 0) forwards packets on 4 streams: RX P=3D0/Q=3D4 (socket 0) -> TX P=3D1/Q=3D4 (socket 0) peer=3D02:00:00:00= :00:01 RX P=3D0/Q=3D5 (socket 0) -> TX P=3D1/Q=3D5 (socket 0) peer=3D02:00:00:00= :00:01 RX P=3D0/Q=3D6 (socket 0) -> TX P=3D1/Q=3D6 (socket 0) peer=3D02:00:00:00= :00:01 RX P=3D0/Q=3D7 (socket 0) -> TX P=3D1/Q=3D7 (socket 0) peer=3D02:00:00:00= :00:01 Logical Core 6 (socket 0) forwards packets on 4 streams: RX P=3D1/Q=3D0 (socket 0) -> TX P=3D0/Q=3D0 (socket 0) peer=3D02:00:00:00= :00:00 RX P=3D1/Q=3D1 (socket 0) -> TX P=3D0/Q=3D1 (socket 0) peer=3D02:00:00:00= :00:00 RX P=3D1/Q=3D2 (socket 0) -> TX P=3D0/Q=3D2 (socket 0) peer=3D02:00:00:00= :00:00 RX P=3D1/Q=3D3 (socket 0) -> TX P=3D0/Q=3D3 (socket 0) peer=3D02:00:00:00= :00:00 Logical Core 8 (socket 0) forwards packets on 4 streams: RX P=3D1/Q=3D4 (socket 0) -> TX P=3D0/Q=3D4 (socket 0) peer=3D02:00:00:00= :00:00 RX P=3D1/Q=3D5 (socket 0) -> TX P=3D0/Q=3D5 (socket 0) peer=3D02:00:00:00= :00:00 RX P=3D1/Q=3D6 (socket 0) -> TX P=3D0/Q=3D6 (socket 0) peer=3D02:00:00:00= :00:00 RX P=3D1/Q=3D7 (socket 0) -> TX P=3D0/Q=3D7 (socket 0) peer=3D02:00:00:00= :00:00 Logical Core 10 (socket 0) forwards packets on 4 streams: RX P=3D2/Q=3D0 (socket 0) -> TX P=3D3/Q=3D0 (socket 0) peer=3D02:00:00:00= :00:03 RX P=3D2/Q=3D1 (socket 0) -> TX P=3D3/Q=3D1 (socket 0) peer=3D02:00:00:00= :00:03 RX P=3D2/Q=3D2 (socket 0) -> TX P=3D3/Q=3D2 (socket 0) peer=3D02:00:00:00= :00:03 RX P=3D2/Q=3D3 (socket 0) -> TX P=3D3/Q=3D3 (socket 0) peer=3D02:00:00:00= :00:03 Logical Core 12 (socket 0) forwards packets on 4 streams: RX P=3D2/Q=3D4 (socket 0) -> TX P=3D3/Q=3D4 (socket 0) peer=3D02:00:00:00= :00:03 RX P=3D2/Q=3D5 (socket 0) -> TX P=3D3/Q=3D5 (socket 0) peer=3D02:00:00:00= :00:03 RX P=3D2/Q=3D6 (socket 0) -> TX P=3D3/Q=3D6 (socket 0) peer=3D02:00:00:00= :00:03 RX P=3D2/Q=3D7 (socket 0) -> TX P=3D3/Q=3D7 (socket 0) peer=3D02:00:00:00= :00:03 Logical Core 14 (socket 0) forwards packets on 4 streams: RX P=3D3/Q=3D0 (socket 0) -> TX P=3D2/Q=3D0 (socket 0) peer=3D02:00:00:00= :00:02 RX P=3D3/Q=3D1 (socket 0) -> TX P=3D2/Q=3D1 (socket 0) peer=3D02:00:00:00= :00:02 RX P=3D3/Q=3D2 (socket 0) -> TX P=3D2/Q=3D2 (socket 0) peer=3D02:00:00:00= :00:02 RX P=3D3/Q=3D3 (socket 0) -> TX P=3D2/Q=3D3 (socket 0) peer=3D02:00:00:00= :00:02 Logical Core 16 (socket 0) forwards packets on 4 streams: RX P=3D3/Q=3D4 (socket 0) -> TX P=3D2/Q=3D4 (socket 0) peer=3D02:00:00:00= :00:02 RX P=3D3/Q=3D5 (socket 0) -> TX P=3D2/Q=3D5 (socket 0) peer=3D02:00:00:00= :00:02 RX P=3D3/Q=3D6 (socket 0) -> TX P=3D2/Q=3D6 (socket 0) peer=3D02:00:00:00= :00:02 RX P=3D3/Q=3D7 (socket 0) -> TX P=3D2/Q=3D7 (socket 0) peer=3D02:00:00:00= :00:02 testpmd> show port stats 1 ######################## NIC statistics for port 1 #####################= ### RX-packets: 211295261 RX-missed: 0 RX-bytes: 104802384960 RX-errors: 0 RX-nombuf: 0 TX-packets: 53 TX-errors: 0 TX-bytes: 4047 Throughput (since last show) Rx-pps: 2403872 Tx-pps: 0 #########################################################################= ### Note that we experience this issue with traffic as low as 1.5Gbps. This is a show-stopper issue for us. Any assistance will be much appreciate= d. Thanks, Michal Dorsett Developer, Strategic IP Group Desk: +972 962 4350 Mobile: +972 50 771 6689 Verint Cyber Intelligence www.verint.com This electronic message may contain proprietary and confidential informatio= n of Verint Systems Inc., its affiliates and/or subsidiaries. The informati= on is intended to be for the use of the individual(s) or entity(ies) named = above. If you are not the intended recipient (or authorized to receive this= e-mail for the intended recipient), you may not use, copy, disclose or dis= tribute to anyone this message or any information contained in this message= . If you have received this electronic message in error, please notify us b= y replying to this e-mail.