From: John Fastabend <john.fastab...@gmail.com> Date: Thu, 3 May 2018 11:28:24 -0700
> In the original sockmap implementation we got away with using an > array similar to devmap. However, unlike devmap where an ifindex > has a nice 1:1 function into the map we have found some use cases > with sockets that need to be referenced using longer keys. > > This series adds support for a sockhash map reusing as much of > the sockmap code as possible. I made the decision to add sockhash > specific helpers vs trying to generalize the existing helpers > because (a) they have sockmap in the name and (b) the keys are > different types. I prefer to be explicit here rather than play > type games or do something else tricky. > > To test this we duplicate all the sockmap testing except swap out > the sockmap with a sockhash. > > v2: fix file stats and add v2 tag > v3: move tool updates into test patch, move bpftool updates into > its own patch, and fixup the test patch stats to catch the > renamed file and provide only diffs +/- on that. > v4: Add documentation to UAPI bpf.h Acked-by: David S. Miller <da...@davemloft.net>
