Hello Georgios, Thanks for your mail! We'll have a deeper look internally and will contact you about our results.
Regards, Asaf Penso > -----Original Message----- > From: dev <dev-boun...@dpdk.org> On Behalf Of Georgios Katsikas > Sent: Tuesday, October 15, 2019 9:06 AM > To: dev@dpdk.org > Cc: Tom Barbette <barbe...@kth.se> > Subject: [dpdk-dev] Testpmd parameter --enable-lro fails on Mellanox > ConnectX5 > > Hi all, > > In the latest features of the MLX5 PMD (i.e., DPDK 19.08), there is LRO > hardware support. > However, I cannot make it work with our dual port 100GbE Mellanox > ConnectX5 > (MT27800) card. > > Let me first describe the configuration of my testbed: First,I upgraded > OFED to the latest 4.7-1.0.0 with firmware version 16.26.1040 > (MT_0000000008) and installed the latest MFT (4.13) to enable DevX > according to the instructions here > <https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdoc. > dpdk.org%2Fguides%2Fnics%2Fmlx5.html&data=02%7C01%7Casafp%40 > mellanox.com%7C18e034c229d64911ff7b08d75135d96a%7Ca652971c7d2e4d9 > ba6a4d149256f461b%7C0%7C1%7C637067164036442822&sdata=PfV3NV > Nj3t0Bw3CiWxRIiVgats8Ma1b755qY4UIXXo0%3D&reserved=0>: > > mlxconfig -d <device> set UCTX_EN=1 > > My OS is Ubuntu server 18.04 with kernel 4.15.0-65-generic. I also tested > on another server with the same distro but more recent kernel (5.15), > without any luck. > > To test LRO, I simply use testpmd as follows: > > sudo ./testpmd -l 0-15 -w 0000:03:00.1 -v -- --txq=16 --rxq=16 > --nb-cores=15 --enable-lro -i > > Th output I get is: > > Configuring Port 0 (socket 0) > net_mlx5: Failed to create RQ using DevX > net_mlx5: port 0 Rx queue 8 RQ creation failure > net_mlx5: port 0 Rx queue allocation failed: Cannot allocate memory > Fail to start port 0 > Please stop the ports first > Done > > Reducing the number of queues does not solve the problem. Specifically, if > I ask for 1 rX and 1 Tx queue, testpmd fails without an error from the mlx > driver: > > Configuring Port 0 (socket 0) > Fail to start port 0 > Please stop the ports first > Done > > I would appreciate your help on this issue. > > Best regards, > Georgios
