On 7/29/2019 12:42 PM, Jakub Kicinski wrote: > On Mon, 29 Jul 2019 10:43:56 +0800, wenxu wrote: >> On 7/29/2019 4:16 AM, Jakub Kicinski wrote: >>> I don't know the nft code, but it seems unlikely it wouldn't have the >>> same problem/need.. >> nft don't have the same problem. The offload rule can only attached >> to offload base chain. >> >> Th offload base chain is created after the device driver loaded (the >> device exist). > For indirect blocks the block is on the tunnel device and the offload > target is another device. E.g. you offload rules from a VXLAN device > onto the ASIC. The ASICs driver does not have to be loaded when VXLAN > device is created. > > So I feel like either the chain somehow directly references the offload > target (in which case the indirect infrastructure with hash lookup etc > is not needed for nft), or indirect infra is needed, and we need to take > care of replays. So you mean the case is there are two card A and B both can offload vxlan. First vxlan device offload with A. And then the B driver loaded, So the rules should replay to B device?
