Hot swap of SFPs 10G/1G current is not support on Intel x553 controller with dpdk 21.11.3 CPU Intel(R) Atom(TM) CPU C3558R @ 2.40GHz x553 ports bond to dpdk inserted with 10G and 1G SFPs # lspci 07:00.0 *Ether*net controller: Intel Corporation *Ether*net Connection X553 10 GbE SFP+ (rev 11) 07:00.1 *Ether*net controller: Intel Corporation *Ether*net Connection X553 10 GbE SFP+ (rev 11) # /usr/share/dpdk/tools/dpdk-devbind.py --status Network devices using DPDK-compatible driver ============================================ 0000:07:00.0 'Ethernet Connection X553 10 GbE SFP+ 15c4' drv=vfio-pci unused= 0000:07:00.1 'Ethernet Connection X553 10 GbE SFP+ 15c4' drv=vfio-pci unused= et7 Driver PMDPort HWaddr cc:1a:a3:ff:ea:e9 MTU 9236 Speed 1,000Mbps Link UP Duplex FULL Autoneg ON RX Queues: 1 RX Queue size: 4096 TX Queues: 1 TX Queue Size: 1024 Inc/RX packets: 22,327 bytes: 23,925,237 dropped: 0 Out/TX packets: 22,352 bytes: 23,924,291 dropped: 0 et6 Driver PMDPort HWaddr cc:1a:a3:ff:ea:e9 MTU 9236 Speed 10,000Mbps Link UP Duplex FULL Autoneg ON RX Queues: 1 RX Queue size: 4096 TX Queues: 1 TX Queue Size: 1024 Inc/RX packets: 2,798,567,431 bytes: 4,186,656,722,403 dropped: 0 Out/TX packets: 523,462,096 bytes: 783,087,633,300 dropped: 28,382 Swap the SFPs with the cable between port6 and port 7. et7 Driver PMDPort HWaddr cc:1a:a3:ff:ea:e9 MTU 9236 Speed UNKNOWN Link DOWN Duplex HALF Autoneg ON RX Queues: 1 RX Queue size: 4096 TX Queues: 1 TX Queue Size: 1024 Inc/RX packets: 22,327 bytes: 23,925,237 dropped: 0 Out/TX packets: 22,362 bytes: 23,924,891 dropped: 0 et7 Driver PMDPort HWaddr cc:1a:a3:ff:ea:e9 MTU 9236 Speed UNKNOWN Link DOWN Duplex HALF Autoneg ON RX Queues: 1 RX Queue size: 4096 TX Queues: 1 TX Queue Size: 1024 Inc/RX packets: 22,327 bytes: 23,925,237 dropped: 0 Out/TX packets: 22,362 bytes: 23,924,891 dropped: 0 Same experiment with Linux ixgbe kernel driver and on hotswap on SFPs both link and speed were correctly reported. Logs below: I saw some patches in the archives posted in 2021 which did not make it to the upstream release that support these features by Stephen. https://mails.dpdk.org/archives/dev/2021-December/230965.html Is there a plan to support this feature dpdk like linux kernel ixgbe driver ? Thanks, Prasanna