On Mon, Jun 26, 2023 at 6:33 PM Kuniyuki Iwashima <kuniyu@xxxxxxxxxx> wrote: > > From: Lorenz Bauer <lmb@xxxxxxxxxxxxx> > Date: Mon, 26 Jun 2023 16:08:59 +0100 > > Rename the existing reuseport helpers for IPv4 and IPv6 so that they > > can be invoked in the follow up commit. Export them so that DCCP which > > may be built as a module can access them. > > We need not export the functions unless there is a real user. > > I added a deprecation notice for DCCP recently, so I bet DCCP > will not get SO_REUSEPORT support. > https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=b144fcaf46d4 Misleading commit message, it turns out that ipv6 as a module also needs (the v6 functions at least) to be EXPORT_SYMBOL'd. That's because of some special shenanigans where inet6_hashtables.c is linked into vmlinux even when CONFIG_IPV6=m. Also not sure how to work around this: DCCP may be deprecated but without the export a module build of it fails.
