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2008-11-25netns xfrm: xfrm_user module in netnsAlexey Dobriyan
Grab netns either from netlink socket, state or policy. SA and SPD flush are in init_net for now, this requires little attention, see below. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: per-netns NETLINK_XFRM socketAlexey Dobriyan
Stub senders to init_net's one temporarily. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: xfrm_input() fixupAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: dst garbage-collecting in netnsAlexey Dobriyan
Pass netns pointer to struct xfrm_policy_afinfo::garbage_collect() [This needs more thoughts on what to do with dst_ops] [Currently stub to init_net] Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: flushing/pruning bundles in netnsAlexey Dobriyan
Allow netdevice notifier as result. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: xfrm_route_forward() in netnsAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: xfrm_policy_check in netnsAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: lookup in netnsAlexey Dobriyan
Pass netns to xfrm_lookup()/__xfrm_lookup(). For that pass netns to flow_cache_lookup() and resolver callback. Take it from socket or netdevice. Stub DECnet to init_net. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: policy walking in netnsAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: finding policy in netnsAlexey Dobriyan
Add netns parameter to xfrm_policy_bysel_ctx(), xfrm_policy_byidx(). Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: policy flushing in netnsAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: policy insertion in netnsAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: propagate netns into policy byidx hashAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: state walking in netnsAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: finding states in netnsAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: fixup xfrm_alloc_spi()Alexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: state lookup in netnsAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: state flush in netnsAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: trivial netns propagationsAlexey Dobriyan
Take netns from xfrm_state or xfrm_policy. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: propagate netns into bydst/bysrc/byspi hash functionsAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: per-netns policy hash resizing workAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: per-netns policy countsAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: per-netns xfrm_policy_bydst hashAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: per-netns inexact policiesAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: per-netns xfrm_policy_byidx hashmaskAlexey Dobriyan
Per-netns hashes are independently resizeable. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: per-netns xfrm_policy_byidx hashAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: per-netns policy listAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: add struct xfrm_policy::xp_netAlexey Dobriyan
Again, to avoid complications with passing netns when not necessary. Again, ->xp_net is set-once field, once set it never changes. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: per-netns km_waitqAlexey Dobriyan
Disallow spurious wakeups in __xfrm_lookup(). Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: per-netns state GC workAlexey Dobriyan
State GC is per-netns, and this is part of it. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: per-netns state GC listAlexey Dobriyan
km_waitq is going to be made per-netns to disallow spurious wakeups in __xfrm_lookup(). To not wakeup after every garbage-collected xfrm_state (which potentially can be from different netns) make state GC list per-netns. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: per-netns xfrm_hash_workAlexey Dobriyan
All of this is implicit passing which netns's hashes should be resized. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: per-netns xfrm_state countsAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: per-netns xfrm_state_hmaskAlexey Dobriyan
Since hashtables are per-netns, they can be independently resized. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: per-netns xfrm_state_byspi hashAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: per-netns xfrm_state_bysrc hashAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: per-netns xfrm_state_bydst hashAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: per-netns xfrm_state_all listAlexey Dobriyan
This is done to get a) simple "something leaked" check b) cover possible DoSes when other netns puts many, many xfrm_states onto a list. c) not miss "alien xfrm_state" check in some of list iterators in future. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: add struct xfrm_state::xs_netAlexey Dobriyan
To avoid unnecessary complications with passing netns around. * set once, very early after allocating * once set, never changes For a while create every xfrm_state in init_net. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25netns xfrm: add netns boilerplateAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25xfrm: initialise xfrm_policy_gc_work staticallyAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-12net: Remove unused parameter of xfrm_gen_index()Arnaud Ebalard
In commit 2518c7c2b3d7f0a6b302b4efe17c911f8dd4049f ("[XFRM]: Hash policies when non-prefixed."), the last use of xfrm_gen_policy() first argument was removed, but the argument was left behind in the prototype. Signed-off-by: Arnaud Ebalard <arno@natisbad.org> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-06Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/wireless/ath5k/base.c net/8021q/vlan_core.c
2008-11-03xfrm: Fix xfrm_policy_gc_lock handling.Alexey Dobriyan
From: Alexey Dobriyan <adobriyan@gmail.com> Based upon a lockdep trace by Simon Arlott. xfrm_policy_kill() can be called from both BH and non-BH contexts, so we have to grab xfrm_policy_gc_lock with BH disabling. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-03XFRM: copy_to_user_kmaddress() reports local address twiceArnaud Ebalard
While adding support for MIGRATE/KMADDRESS in strongSwan (as specified in draft-ebalard-mext-pfkey-enhanced-migrate-00), Andreas Steffen noticed that XFRMA_KMADDRESS attribute passed to userland contains the local address twice (remote provides local address instead of remote one). This bug in copy_to_user_kmaddress() affects only key managers that use native XFRM interface (key managers that use PF_KEY are not affected). For the record, the bug was in the initial changeset I posted which added support for KMADDRESS (13c1d18931ebb5cf407cb348ef2cd6284d68902d 'xfrm: MIGRATE enhancements (draft-ebalard-mext-pfkey-enhanced-migrate)'). Signed-off-by: Arnaud Ebalard <arno@natisbad.org> Reported-by: Andreas Steffen <andreas.steffen@strongswan.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-31net: replace NIPQUAD() in net/*/Harvey Harrison
Using NIPQUAD() with NIPQUAD_FMT, %d.%d.%d.%d or %u.%u.%u.%u can be replaced with %pI4 Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-31xfrm: C99 for xfrm_dev_notifierAlexey Dobriyan
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-31Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/wireless/p54/p54common.c
2008-10-31xfrm: do not leak ESRCH to user spacefernando@oss.ntt.co
I noticed that, under certain conditions, ESRCH can be leaked from the xfrm layer to user space through sys_connect. In particular, this seems to happen reliably when the kernel fails to resolve a template either because the AF_KEY receive buffer being used by racoon is full or because the SA entry we are trying to use is in XFRM_STATE_EXPIRED state. However, since this could be a transient issue it could be argued that EAGAIN would be more appropriate. Besides this error code is not even documented in the man page for sys_connect (as of man-pages 3.07). Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-29net: replace %p6 with %pI6Harvey Harrison
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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