Hi, I submitted a patch for supporting generic flow in native avf. https://gerrit.fd.io/r/c/vpp/+/37563
Generic flow related features were discussed and accepted in the past two releases, for example, generic flow in dpdk plugins and packetforge. This time we are willing to enable it in native avf. However, since native avf does not support RSS now, we should also enable RSS function this time. It is the reason why we mark this patch as RFC. We only enabled RSS functions needed by generic flow in this patch. It will parse the generic flow patterns and deliver the spec and mask to kernel driver through virtual channel. The same in FDIR. Native avf does not need to translate generic flow to hardware accepted flow profile. It is the work of kernel driver. We kept a position for common RSS process, but it will do nothing. Since the original "avf_flow_add" functions are only for FDIR, we extend them for RSS and FDIR both. The flow rule type (RSS or FDIR) will be determined by the flow command, for example, the "test flow" command in vnet/flow CLI, "redirect-to-queue 3" means FDIR and "rss function default" means RSS. [cid:image002.png@01D8EDDF.A64C5560] I would be grateful if maintainers can have a look at this RFC patch, and give comments especially on RSS design in native avf. Thanks! Best Regards Xu Ting
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