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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: cisco.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BN9PR11MB5354.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: a46e7d88-0ae8-4be9-093a-08dd6792f151 X-MS-Exchange-CrossTenant-originalarrivaltime: 20 Mar 2025 09:38:16.7841 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 5ae1af62-9505-4097-a69a-c1553ef7840e X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: HTIBlh2Qg+orcDHttUDQwsrbuF9B0PtqesC8x4qZNzzdJsYEoCjxrMxFU0xCvfy4vzkhEJ0DuSKQnzJN6apDng== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY5PR11MB6440 X-Outbound-SMTP-Client: 173.37.147.250, alln-opgw-2.cisco.com X-Outbound-Node: rcdn-l-core-08.cisco.com X-Mailman-Approved-At: Thu, 27 Mar 2025 14:49:31 +0100 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Thanks Stephen. I checked this module is not present in 20.11 dpdk version, but its in 23.1= 1 But can you suggest if I need to port this back to 20.11, any necessary ste= ps I can follow or any dependencies with the new version etc, Thanks Rajesh -----Original Message----- From: Stephen Hemminger =20 Sent: 19 March 2025 21:58 To: Rajesh Goel (rajegoel) Cc: dev@dpdk.org Subject: Re: Dpdk-pdump not capturing packet for vmxnet3 device On Wed, 19 Mar 2025 07:21:30 +0000 "Rajesh Goel (rajegoel)" wrote: > Hi DPDK community, >=20 > I need some urgent help. >=20 > 1) Iam running my dpdk application on a VMware based VM. Iam using 2= 0.11.9 dpdk version > Iam directly connected to the PCI device to receive pkts on my applicatio= n. >=20 > : > EAL: Detected 16 lcore(s) > EAL: Detected 1 NUMA nodes > EAL: Detected shared linkage of DPDK > EAL: Multi-process socket /var/run/dpdk/rte/mp_socket > EAL: Selected IOVA mode 'PA' > EAL: No available hugepages reported in hugepages-1048576kB > EAL: Probing VFIO support... > EAL: VFIO support initialized > EAL: Probe PCI driver: net_vmxnet3 (15ad:7b0) device: 0000:04:00.0 = (socket 0) > EAL: No legacy callbacks, legacy socket not created > : >=20 > 2) Iam trying to use dpdk-pdump application to capture packets. >=20 > dpdk-pdump -l 3 -- --pdump 'device_id=3D0000:04:00.0,queue=3D*,rx-d= ev=3D/tmp/rx.pcap,total-num-mbufs=3D8192,ring-size=3D128' >=20 > EAL: Detected 16 lcore(s) > EAL: Detected 1 NUMA nodes > EAL: Detected static linkage of DPDK > EAL: Multi-process socket /var/run/dpdk/rte/mp_socket_644376_50d5dc= 20612f8 > EAL: Selected IOVA mode 'PA' > EAL: Probing VFIO support... > EAL: VFIO support initialized > EAL: Probe PCI driver: net_vmxnet3 (15ad:7b0) device: 0000:04:00.0 = (socket 0) > Port 1 MAC: 02 70 63 61 70 00 > core (3), capture for (1) tuples > - port 0 device (0000:04:00.0) queue 65535 > ^C >=20 > Signal 2 received, preparing to exit... > ##### PDUMP DEBUG STATS ##### > -packets dequeued: 0 > -packets transmitted to vdev: 0 > -packets freed: 0 >=20 > This is the mempool and ring which got created in app side >=20 > ring @0x10045db00 > flags=3D0 > size=3D16384 > capacity=3D16383 > ct=3D0 > ch=3D0 > pt=3D8192 > ph=3D8192 > used=3D8192 > avail=3D8191 > ring @0x102802680 > flags=3D0 > size=3D128 > capacity=3D127 > ct=3D0 > ch=3D0 > pt=3D0 > ph=3D0 > used=3D0 > avail=3D127 >=20 > This is the port output, port 0 is application and port 1 is created by p= dump and no pkt is seen to be captured. >=20 > Port 0 stats: > - link status: 1 > - Pkts in: 50 > - Pkts out: 0 > - total ibytes: 4024 > - total obytes: 0 > - rx miss: 0 > - In Errs: 0 > - Out Errs: 0 > - Mbuf Errs: 0 > - Q Rx Packets: >=20 > Port 1 stats: > - link status: 1 > - Pkts in: 0 > - Pkts out: 0 > - total ibytes: 0 > - total obytes: 0 > - rx miss: 0 > - In Errs: 0 > - Out Errs: 0 > - Mbuf Errs: 0 > - Q Rx Packets: >=20 > 3) I see the same result while using dpdk-testpmd on the APP side. >=20 > 4) As per this page, https://doc.dpdk.org/guides/tools/pdump.html. > Is this applicable to vmxnet3 device here ?? >=20 > * As of now the dpdk-pdump tool cannot capture the packets of virtu= al devices in the primary process due to a bug in the ethdev library. Due t= o this bug, in a multi process context, when the primary and secondary have= different ports set, then the secondary process (here the dpdk-pdump tool)= overwrites the rte_eth_devices[] entries of the primary process. >=20 > Thanks > Rajesh >=20 >=20 Try dpdk-dumpcap instead. Pdump is limited and will not get any new feature= s. I am going to propose deprecating pdump in 25.11.