Great thanks
/jimmy

Sent from Outlook for Mac

From: [email protected] <[email protected]> on behalf of Pim van Pelt via 
lists.fd.io <[email protected]>
Date: Thursday, 4 June 2026 at 14:01
To: [email protected] <[email protected]>
Subject: Re: [vpp-dev] Mellanox ConnectX-5 Ex

Hoi,

On 04.06.2026 13:09, Jimmy Björklund via lists.fd.io wrote:
> Is it expected to have the nics in this section when running them with
> vpp, its sometimes a dpdk compatible section?
Yes it's normal for Mellanox, the mlx5_core driver implements the
kernel-side DPDK hook.
You'll see both the NIC in Linux, as well as in VPP:

pim@chlzn0:~$ ip -br a | grep enp3
enp3s0f0np0      UP             fe80::9a03:9bff:fe64:2016/64
enp3s0f1np1      UP             fe80::9a03:9bff:fe64:2017/64

pim@chlzn0:~$ vppctl show pci | grep Mella
0000:03:00.0   0  15b3:1015   unknown       mlx5_core       Mellanox
ConnectX-4 Lx PCIe 25Gb PN: 01GR252
0000:03:00.1   0  15b3:1015   unknown       mlx5_core       Mellanox
ConnectX-4 Lx PCIe 25Gb PN: 01GR252

pim@chlzn0:~$ vppctl show hard TwentyFiveGigabitEthernet3/0/0
TwentyFiveGigabitEthernet3/0/0     1     up  TwentyFiveGigabitEthernet3/0/0
   Link speed: 25 Gbps
   RX Queues:
     queue thread         mode
     0     vpp_wk_0 (1)   polling
     1     vpp_wk_1 (2)   polling
   TX Queues:
     TX Hash: [name: hash-eth-l34 priority: 50 description: Hash
ethernet L34 headers]
     queue shared thread(s)
     0     no     0
     1     no     1
     2     no     2
     3     no     3
     4     no     4
     5     no     5
     6     no     6
     7     no     7
     8     no     8
   Ethernet address 98:03:9b:64:20:16
   Mellanox ConnectX-4/5/6 Family

But beware that your VPP packages need to explicitly be compiled with
DPDK_MLX_DEFAULT set, see build/external/packages/dpdk.mk.

groet,
Pim

--
Pim van Pelt
PBVP1-RIPE - 
https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fipng.ch%2F&data=05%7C02%7C%7C04aadcb2a6c945f09bf708dec2310d72%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C639161713092879095%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=JSsk6kvOCXOsukO5Ntb7j7KH%2BBtNBrp2VKLrtYyuit0%3D&reserved=0<https://ipng.ch/>


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