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* netns xfrm: per-netns sysctlsAlexey Dobriyan2008-11-265-19/+100
| | | | | | | | | | | | | | | | | Make net.core.xfrm_aevent_etime net.core.xfrm_acq_expires net.core.xfrm_aevent_rseqth net.core.xfrm_larval_drop sysctls per-netns. For that make net_core_path[] global, register it to prevent two /proc/net/core antries and change initcall position -- xfrm_init() is called from fs_initcall, so this one should be fs_initcall at least. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: /proc/net/xfrm_stat in netnsAlexey Dobriyan2008-11-262-18/+19
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: per-netns MIBsAlexey Dobriyan2008-11-264-54/+67
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: flush SA/SPDs on netns stopAlexey Dobriyan2008-11-262-0/+22
| | | | | | | SA/SPD doesn't pin netns (and it shouldn't), so get rid of them by hand. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: ->get_saddr in netnsAlexey Dobriyan2008-11-261-3/+4
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: ->dst_lookup in netnsAlexey Dobriyan2008-11-261-3/+4
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: KM reporting in netnsAlexey Dobriyan2008-11-262-5/+4Star
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: pass netns with KM notificationsAlexey Dobriyan2008-11-261-2/+4
| | | | | | | | SA and SPD flush are executed with NULL SA and SPD respectively, for these cases pass netns explicitly from userspace socket. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: xfrm_user module in netnsAlexey Dobriyan2008-11-261-31/+45
| | | | | | | | | | 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>
* netns xfrm: per-netns NETLINK_XFRM socketAlexey Dobriyan2008-11-263-41/+77
| | | | | | | 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>
* netns xfrm: xfrm_input() fixupAlexey Dobriyan2008-11-261-1/+2
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: dst garbage-collecting in netnsAlexey Dobriyan2008-11-261-2/+2
| | | | | | | | | | 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>
* netns xfrm: flushing/pruning bundles in netnsAlexey Dobriyan2008-11-261-11/+8Star
| | | | | | | Allow netdevice notifier as result. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: xfrm_route_forward() in netnsAlexey Dobriyan2008-11-261-1/+2
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: xfrm_policy_check in netnsAlexey Dobriyan2008-11-261-2/+3
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: lookup in netnsAlexey Dobriyan2008-11-261-18/+20
| | | | | | | | | | 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>
* netns xfrm: policy walking in netnsAlexey Dobriyan2008-11-262-4/+4
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: finding policy in netnsAlexey Dobriyan2008-11-262-11/+11
| | | | | | | 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>
* netns xfrm: policy flushing in netnsAlexey Dobriyan2008-11-262-12/+12
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: policy insertion in netnsAlexey Dobriyan2008-11-261-22/+24
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: propagate netns into policy byidx hashAlexey Dobriyan2008-11-261-6/+6
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: state walking in netnsAlexey Dobriyan2008-11-262-4/+4
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: finding states in netnsAlexey Dobriyan2008-11-262-37/+40
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: fixup xfrm_alloc_spi()Alexey Dobriyan2008-11-261-2/+2
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: state lookup in netnsAlexey Dobriyan2008-11-263-22/+26
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: state flush in netnsAlexey Dobriyan2008-11-262-10/+10
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: trivial netns propagationsAlexey Dobriyan2008-11-262-31/+43
| | | | | | | 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>
* netns xfrm: propagate netns into bydst/bysrc/byspi hash functionsAlexey Dobriyan2008-11-261-21/+23
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: per-netns policy hash resizing workAlexey Dobriyan2008-11-261-26/+26
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: per-netns policy countsAlexey Dobriyan2008-11-261-18/+16Star
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: per-netns xfrm_policy_bydst hashAlexey Dobriyan2008-11-261-24/+33
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: per-netns inexact policiesAlexey Dobriyan2008-11-261-8/+12
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: per-netns xfrm_policy_byidx hashmaskAlexey Dobriyan2008-11-261-8/+7Star
| | | | | | | Per-netns hashes are independently resizeable. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: per-netns xfrm_policy_byidx hashAlexey Dobriyan2008-11-261-10/+18
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: per-netns policy listAlexey Dobriyan2008-11-261-6/+6
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: add struct xfrm_policy::xp_netAlexey Dobriyan2008-11-262-4/+5
| | | | | | | | 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>
* netns xfrm: per-netns km_waitqAlexey Dobriyan2008-11-262-11/+9Star
| | | | | | | Disallow spurious wakeups in __xfrm_lookup(). Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: per-netns state GC workAlexey Dobriyan2008-11-261-5/+5
| | | | | | | 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>
* netns xfrm: per-netns state GC listAlexey Dobriyan2008-11-261-3/+3
| | | | | | | | | | | 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>
* netns xfrm: per-netns xfrm_hash_workAlexey Dobriyan2008-11-261-18/+17Star
| | | | | | | 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>
* netns xfrm: per-netns xfrm_state countsAlexey Dobriyan2008-11-261-7/+7
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: per-netns xfrm_state_hmaskAlexey Dobriyan2008-11-261-16/+15Star
| | | | | | | 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>
* netns xfrm: per-netns xfrm_state_byspi hashAlexey Dobriyan2008-11-261-8/+13
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: per-netns xfrm_state_bysrc hashAlexey Dobriyan2008-11-261-9/+14
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: per-netns xfrm_state_bydst hashAlexey Dobriyan2008-11-261-24/+26
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netns xfrm: per-netns xfrm_state_all listAlexey Dobriyan2008-11-261-6/+8
| | | | | | | | | | | 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>
* netns xfrm: add struct xfrm_state::xs_netAlexey Dobriyan2008-11-262-6/+7
| | | | | | | | | | | | 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>
* netns xfrm: add netns boilerplateAlexey Dobriyan2008-11-262-6/+46
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* xfrm: initialise xfrm_policy_gc_work staticallyAlexey Dobriyan2008-11-261-2/+1Star
| | | | | Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Remove unused parameter of xfrm_gen_index()Arnaud Ebalard2008-11-131-3/+3
| | | | | | | | | | | 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>
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