On Mon, 21 Sep 2015, Eric W. Biederman wrote:
> I am gradually working my way through the netfilter stack passing struct
> down into the netfilter hooks and from the netfilter hooks and from
> there down into the functions that actually care. This removes the need
> for netfilter functions to guess how to figure out how to compute which
> network namespace they are in and instead provides a simple and reliable
> method to do so.
> The cleanups stand on their own but this is part of a larger effort to
> have routes with an output device that is not in the current network
> The IPVS code has been a bit more of a challenge than most. Just
> passing struct net through to where it is needed did not feel clean to
> me. The practical issue is that the ipvs code in most places actually
> wants struct netns_ipvs and not struct net.
> So as part of this process I have turned the relationship between struct
> net and the structs netns_ipvs, ip_vs_conn_param, ip_vs_conn, and
> ip_vs_service inside out. I have modified the ipvs functions to take a
> struct netns_ipvs not a struct net. The net is code with fewer
> conversions from one type of structure to another. I did wind up adding
> a struct netns_ipvs parameter to quite a few functions that did not have
> it before so I could pass the structure down from the netfilter hooks to
> where it is actually needed to avoid guessing.
> I have broken up the work in a bunch of small patches so there is at
> least a chance and reviewing that each step I took is correct. The
> series compiles at each step so bisecting it should not be a problem
> if something weird comes up.
> The first two changes in this series are actually bug fixes. The first
> is a compile fix for a bug in sctp that came in, in the last round of
> ipvs changes merged into nf-next. The second fixes an older bug where
> in pathological circumstances the wrong network namespace could be used
> when a proc file is written to.
> The rest of the patchset is a bunch of boring changes getting pushing
> struct netns_ipvs (and by extension ipvs->net) where it needs to be.
> Either by replacing struct net pointers or adding new struct netns_ipvs
> pointers. With a handful of other minor cleanups (like removing
> I have incorporated Julian Anastasov's feedback, which critically
> involves fixing a wrong piece of code.
> The changes are also available against nf-next at:
> git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/net-next.git master
> My entire pending set of changes for those who want to look ahead is at:
v2 looks good to me,
Acked-by: Julian Anastasov <ja@xxxxxx>
Julian Anastasov <ja@xxxxxx>
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