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* [NETNS]: Lookup in FIB semantic hashes taking into account the namespace.Denis V. Lunev2008-01-31
| | | | | | | | | | | | | The namespace is not available in the fib_sync_down_addr, add it as a parameter. Looking up a device by the pointer to it is OK. Looking up using a result from fib_trie/fib_hash table lookup is also safe. No need to fix that at all. So, just fix lookup by address and insertion to the hash table path. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETNS]: Add a namespace mark to fib_info.Denis V. Lunev2008-01-31
| | | | | | | | | This is required to make fib_info lookups namespace aware. In the other case initial namespace devices are marked as dead in the local routing table during other namespace stop. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: fib_sync_down rework.Denis V. Lunev2008-01-31
| | | | | | | | | | fib_sync_down can be called with an address and with a device. In reality it is called either with address OR with a device. The codepath inside is completely different, so lets separate it into two calls for these two cases. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETNS]: Process interface address manipulation routines in the namespace.Denis V. Lunev2008-01-31
| | | | | | | | The namespace is available when required except rtm_to_ifaddr. Add namespace argument to it. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: Small style cleanup of the error path in rtm_to_ifaddr.Denis V. Lunev2008-01-31
| | | | | | | | | Remove error code assignment inside brackets on failure. The code looks better if the error is assigned before condition check. Also, the compiler treats this better. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: Fix memory leak on error path during FIB initialization.Denis V. Lunev2008-01-31
| | | | | | | net->ipv4.fib_table_hash is not freed when fib4_rules_init failed. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: Ipv6-related xt_hashlimit compilation fix.Pavel Emelyanov2008-01-31
| | | | | | | | | | | The hashlimit_ipv6_mask() is called from under IP6_NF_IPTABLES config option, but is not under it by itself. gcc warns us about it :) : net/netfilter/xt_hashlimit.c:473: warning: "hashlimit_ipv6_mask" defined but not used Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Add flow classifierPatrick McHardy2008-01-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add new "flow" classifier, which is meant to extend the SFQ hashing capabilities without hard-coding new hash functions and also allows deterministic mappings of keys to classes, replacing some out of tree iptables patches like IPCLASSIFY (maps IPs to classes), IPMARK (maps IPs to marks, with fw filters to classes), ... Some examples: - Classic SFQ hash: tc filter add ... flow hash \ keys src,dst,proto,proto-src,proto-dst divisor 1024 - Classic SFQ hash, but using information from conntrack to work properly in combination with NAT: tc filter add ... flow hash \ keys nfct-src,nfct-dst,proto,nfct-proto-src,nfct-proto-dst divisor 1024 - Map destination IPs of 192.168.0.0/24 to classids 1-257: tc filter add ... flow map \ key dst addend -192.168.0.0 divisor 256 - alternatively: tc filter add ... flow map \ key dst and 0xff - similar, but reverse ordered: tc filter add ... flow map \ key dst and 0xff xor 0xff Perturbation is currently not supported because we can't reliable kill the timer on destruction. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: sch_sfq: make internal queues visible as classesPatrick McHardy2008-01-31
| | | | | | | | Add support for dumping statistics and make internal queues visible as classes. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: sch_sfq: add support for external classifiersPatrick McHardy2008-01-31
| | | | | | | | | Add support for external classifiers to allow using different flow hash functions similar to ESFQ. When no classifier is attached the built-in hash is used as before. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Constify struct tcf_ext_mapPatrick McHardy2008-01-31
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BLUETOOTH]: Fix bugs in previous conn add/del workqueue changes.Dave Young2008-01-31
| | | | | | | | Jens Axboe noticed that we were queueing &conn->work on both btaddconn and keventd_wq. Signed-off-by: Dave Young <hidave.darkstar@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: Unexport sysctl_tcp_tso_win_divisorAdrian Bunk2008-01-31
| | | | | | | | This patch removes the no longer used EXPORT_SYMBOL(sysctl_tcp_tso_win_divisor). Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: Make struct ipv4_devconf static.Adrian Bunk2008-01-31
| | | | | | | | struct ipv4_devconf can now become static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TR] net/802/tr.c: sysctl_tr_rif_timeout staticAdrian Bunk2008-01-31
| | | | | | | | sysctl_tr_rif_timeout can now become static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [XFRM]: Fix statistics.Masahide NAKAMURA2008-01-31
| | | | | | | | | | | | | | o Outbound sequence number overflow error status is counted as XfrmOutStateSeqError. o Additionaly, it changes inbound sequence number replay error name from XfrmInSeqOutOfWindow to XfrmInStateSeqError to apply name scheme above. o Inbound IPv4 UDP encapsuling type mismatch error is wrongly mapped to XfrmInStateInvalid then this patch fiex the error to XfrmInStateMismatch. Signed-off-by: Masahide NAKAMURA <nakam@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [XFRM]: Remove unused exports.Adrian Bunk2008-01-31
| | | | | | | | | | This patch removes the following no longer used EXPORT_SYMBOL's: - xfrm_input.c: xfrm_parse_spi - xfrm_state.c: xfrm_replay_check - xfrm_state.c: xfrm_replay_advance Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKT_SCHED] sch_teql.c: Duplicate IFF_BROADCAST in FMASK, remove 2nd.Roel Kluin2008-01-31
| | | | | Signed-off-by: Roel Kluin <12o3l@tiscali.nl> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4] route cache: Introduce rt_genid for smooth cache invalidationEric Dumazet2008-01-31
| | | | | | | | | | | | | | | | | | | | | | | | | | Current ip route cache implementation is not suited to large caches. We can consume a lot of CPU when cache must be invalidated, since we currently need to evict all cache entries, and this eviction is sometimes asynchronous. min_delay & max_delay can somewhat control this asynchronism behavior, but whole thing is a kludge, regularly triggering infamous soft lockup messages. When entries are still in use, this also consumes a lot of ram, filling dst_garbage.list. A better scheme is to use a generation identifier on each entry, so that cache invalidation can be performed by changing the table identifier, without having to scan all entries. No more delayed flushing, no more stalling when secret_interval expires. Invalidated entries will then be freed at GC time (controled by ip_rt_gc_timeout or stress), or when an invalidated entry is found in a chain when an insert is done. Thus we keep a normal equilibrium. This patch : - renames rt_hash_rnd to rt_genid (and makes it an atomic_t) - Adds a new rt_genid field to 'struct rtable' (filling a hole on 64bit) - Checks entry->rt_genid at appropriate places :
* [PKTGEN]: pktgen should not print info that it is spinningJesse Brandeburg2008-01-31
| | | | | | | | | | | | | | | when using pktgen to send delay packets the module prints repeatedly to the kernel log: sleeping for X sleeping for X ... This is probably just a debugging item left in and should not be enabled for regular use of the module. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: sch_ingress: remove netfilter supportPatrick McHardy2008-01-31
| | | | | | | | | | | | | | Since the old policer code is gone, TC actions are needed for policing. The ingress qdisc can get packets directly from netif_receive_skb() in case TC actions are enabled or through netfilter otherwise, but since without TC actions there is no policer the only thing it actually does is count packets. Remove the netfilter support and always require TC actions. Signed-off-by: Patrick McHardy <kaber@trash.net> Acked-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
* [VLAN]: set_rx_mode support for unicast address listChris Leech2008-01-31
| | | | | | | | | | | | | | | | | Reuse the existing logic for multicast list synchronization for the unicast address list. The core of dev_mc_sync/unsync are split out as __dev_addr_sync/unsync and moved from dev_mcast.c to dev.c. These are then used to implement dev_unicast_sync/unsync as well. I'm working on cleaning up Intel's FCoE stack, which generates new MAC addresses from the fibre channel device id assigned by the fabric as per the current draft specification in T11. When using such a protocol in a VLAN environment it would be nice to not always be forced into promiscuous mode, assuming the underlying Ethernet driver supports multiple unicast addresses as well. Signed-off-by: Chris Leech <christopher.leech@intel.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
* [TCP]: Fix a bug in strategy_allowed_congestion_controlShan Wei2008-01-31
| | | | | | | | | | | | In strategy_allowed_congestion_control of the 2.6.24 kernel, when sysctl_string return 1 on success,it should call tcp_set_allowed_congestion_control to set the allowed congestion control.But, it don't. the sysctl_string return 1 on success, otherwise return negative, never return 0.The patch fix the problem. Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4] fib_trie: rescan if key is lost during dumpStephen Hemminger2008-01-31
| | | | | | | | | | Normally during a dump the key of the last dumped entry is used for continuation, but since lock is dropped it might be lost. In that case fallback to the old counter based N^2 behaviour. This means the dump will end up skipping some routes which matches what FIB_HASH does. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PKTGEN]: Remove an unused definition in pktgen.c.Rami Rosen2008-01-31
| | | | | | | | | | | | | - Remove an unused definition (LAT_BUCKETS_MAX) in net/core/pktgen.c. - Remove the corresponding comment. - The LAT_BUCKETS_MAX seems to have to do with a patch from a long time ago which was not applied (Ben Greear), which dealt with latency counters. See, for example : http://oss.sgi.com/archives/netdev/2002-09/msg00184.html Signed-off-by: Rami Rosen <ramirose@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Update MSS even if MTU is unchanged.Jim Paris2008-01-31
| | | | | | | | | | | | | | | | | | | | | | | This is needed because in ndisc.c, we have: static void ndisc_router_discovery(struct sk_buff *skb) { // ... if (ndopts.nd_opts_mtu) { // ... if (rt) rt->u.dst.metrics[RTAX_MTU-1] = mtu; rt6_mtu_change(skb->dev, mtu); // ... } Since the mtu is set directly here, rt6_mtu_change_route thinks that it is unchanged, and so it fails to update the MSS accordingly. This patch lets rt6_mtu_change_route still update MSS if old_mtu == new_mtu. Signed-off-by: Jim Paris <jim@jtan.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETNS]: Udp sockets per-net lookup.Pavel Emelyanov2008-01-31
| | | | | | | | Add the net parameter to udp_get_port family of calls and udp_lookup one and use it to filter sockets. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETNS]: Tcp-v6 sockets per-net lookup.Pavel Emelyanov2008-01-31
| | | | | | | | | Add a net argument to inet6_lookup and propagate it further. Actually, this is tcp-v6 implementation of what was done for tcp-v4 sockets in a previous patch. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETNS]: Tcp-v4 sockets per-net lookup.Pavel Emelyanov2008-01-31
| | | | | | | | | | | Add a net argument to inet_lookup and propagate it further into lookup calls. Plus tune the __inet_check_established. The dccp and inet_diag, which use that lookup functions pass the init_net into them. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETNS]: Make bind buckets live in net namespaces.Pavel Emelyanov2008-01-31
| | | | | | | | | | | | | This tags the inet_bind_bucket struct with net pointer, initializes it during creation and makes a filtering during lookup. A better hashfn, that takes the net into account is to be done in the future, but currently all bind buckets with similar port will be in one hash chain. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [INET]: Consolidate inet(6)_hash_connect.Pavel Emelyanov2008-01-31
| | | | | | | | | | | | | | | | | | | These two functions are the same except for what they call to "check_established" and "hash" for a socket. This saves half-a-kilo for ipv4 and ipv6. add/remove: 1/0 grow/shrink: 1/4 up/down: 582/-1128 (-546) function old new delta __inet_hash_connect - 577 +577 arp_ignore 108 113 +5 static.hint 8 4 -4 rt_worker_func 376 372 -4 inet6_hash_connect 584 25 -559 inet_hash_connect 586 25 -561 Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Introduce the INET6_TW_MATCH macro.Pavel Emelyanov2008-01-31
| | | | | | | | | | We have INET_MATCH, INET_TW_MATCH and INET6_MATCH to test sockets and twbuckets for matching, but ipv6 twbuckets are tested manually. Here's the INET6_TW_MATCH to help with it. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: xt_iprange: fix sparse warningsPatrick McHardy2008-01-31
| | | | | | | | | | | | | | | CHECK net/netfilter/xt_iprange.c net/netfilter/xt_iprange.c:104:19: warning: restricted degrades to integer net/netfilter/xt_iprange.c:104:37: warning: restricted degrades to integer net/netfilter/xt_iprange.c:104:19: warning: restricted degrades to integer net/netfilter/xt_iprange.c:104:37: warning: restricted degrades to integer net/netfilter/xt_iprange.c:104:19: warning: restricted degrades to integer net/netfilter/xt_iprange.c:104:37: warning: restricted degrades to integer net/netfilter/xt_iprange.c:104:19: warning: restricted degrades to integer net/netfilter/xt_iprange.c:104:37: warning: restricted degrades to integer Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_nat: fix sparse warningPatrick McHardy2008-01-31
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack: fix sparse warningPatrick McHardy2008-01-31
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: {ip,ip6}_queue: fix build errorPatrick McHardy2008-01-31
| | | | | | | | | | | | Reported by Ingo Molnar: net/built-in.o: In function `ip_queue_init': ip_queue.c:(.init.text+0x322c): undefined reference to `net_ipv4_ctl_path' Fix the build error and also handle CONFIG_PROC_FS=n properly. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack: annotate l3protos with constJan Engelhardt2008-01-31
| | | | | | Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_{conntrack,nat}_icmp: constify and annotateJan Engelhardt2008-01-31
| | | | | | | | | Constify a few data tables use const qualifiers on variables where possible in the nf_conntrack_icmp* sources. Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_{conntrack,nat}_proto_gre: annotate with constJan Engelhardt2008-01-31
| | | | | | Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_{conntrack,nat}_proto_udp{,lite}: annotate with constJan Engelhardt2008-01-31
| | | | | | Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_{conntrack,nat}_proto_tcp: constify and annotate TCP modulesJan Engelhardt2008-01-31
| | | | | | | | | Constify a few data tables use const qualifiers on variables where possible in the nf_*_proto_tcp sources. Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack_sane: annotate SANE helper with constJan Engelhardt2008-01-31
| | | | | | | | | Annotate nf_conntrack_sane variables with const qualifier and remove a few casts. Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_{conntrack,nat}_pptp: annotate PPtP helper with constJan Engelhardt2008-01-31
| | | | | | Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_{conntrack,nat}_tftp: annotate TFTP helper with constJan Engelhardt2008-01-31
| | | | | | Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_{conntrack,nat}_sip: annotate SIP helper with constJan Engelhardt2008-01-31
| | | | | | Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack_h323: constify and annotate H.323 helperJan Engelhardt2008-01-31
| | | | | | | | | | Constify data tables (predominantly in nf_conntrack_h323_types.c, but also a few in nf_conntrack_h323_asn1.c) and use const qualifiers on variables where possible in the h323 sources. Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: x_tables: create per-netns /proc/net/*_tables_*Alexey Dobriyan2008-01-31
| | | | | | Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: x_tables: netns propagation for /proc/net/*_tables_namesAlexey Dobriyan2008-01-31
| | | | | | | | | Propagate netns together with AF down to ->start/->next/->stop iterators. Choose table based on netns and AF for showing. Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: x_tables: semi-rewrite of /proc/net/foo_tables_*Alexey Dobriyan2008-01-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are many small but still wrong things with /proc/net/*_tables_* so I decided to do overhaul simultaneously making it more suitable for per-netns /proc/net/*_tables_* implementation. Fix a) xt_get_idx() duplicating now standard seq_list_start/seq_list_next iterators b) tables/matches/targets list was chosen again and again on every ->next c) multiple useless "af >= NPROTO" checks -- we simple don't supply invalid AFs there and registration function should BUG_ON instead. Regardless, the one in ->next() is the most useless -- ->next doesn't run at all if ->start fails. d) Don't use mutex_lock_interruptible() -- it can fail and ->stop is executed even if ->start failed, so unlock without lock is possible. As side effect, streamline code by splitting xt_tgt_ops into xt_target_ops, xt_matches_ops, xt_tables_ops. xt_tables_ops hooks will be changed by per-netns code. Code of xt_matches_ops, xt_target_ops is identical except the list chosen for iterating, but I think consolidating code for two files not worth it given "<< 16" hacks needed for it. [Patrick: removed unused enum in x_tables.c] Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: xt_hashlimit match, revision 1Jan Engelhardt2008-01-31
| | | | | | | | | | | | | | | | | | | | | | | Introduces the xt_hashlimit match revision 1. It adds support for kernel-level inversion and grouping source and/or destination IP addresses, allowing to limit on a per-subnet basis. While this would technically obsolete xt_limit, xt_hashlimit is a more expensive due to the hashbucketing. Kernel-level inversion: Previously you had to do user-level inversion: iptables -N foo iptables -A foo -m hashlimit --hashlimit(-upto) 5/s -j RETURN iptables -A foo -j DROP iptables -A INPUT -j foo now it is simpler: iptables -A INPUT -m hashlimit --hashlimit-over 5/s -j DROP Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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