On Sat, Jun 20, 2020 at 08:02:19PM +0800, Tonghao Zhang wrote: > Hi Eli > > I review your patches and try to test it. > $ tc filter add dev enp130s0f0 protocol ip prio 1 root flower dst_ip > 11.12.13.14 skip_sw action mirred egress redirect dev enp130s0f1 > or > $ tc filter add dev enp130s0f0 protocol ip prio 1 parent ffff: flower > dst_ip 11.12.13.14 skip_sw action mirred egress redirect dev > enp130s0f1 > > TC can't install the rules above. The error message: > mlx5_core: devices are both uplink, can't offload forwarding. > > So how can I install hairpin rules between uplink and uplink forwarding ? > > The test environment > kernel 5.8.0-rc1+, the last commit id:69119673bd50b176ded34032fadd41530fb5af21 > NIC MCX512A-ACA_Ax > FW 16.27.2008 > enp130s0f0、enp130s0f1 are uplink rep. >
Hi Tonghao, please note that hairpin is supported on the same uplink representor. You cannot hairpin from one uplink to another.
