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* netfilter: xt extensions: use pr_<level>Jan Engelhardt2010-03-1821-107/+88
| | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* netfilter: xtables: replace custom duprintf with pr_debugJan Engelhardt2010-03-187-79/+41
| | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* netfilter: xtables: do not print any messages on ENOMEMJan Engelhardt2010-03-184-17/+6
| | | | | | | | | ENOMEM is a very obvious error code (cf. EINVAL), so I think we do not really need a warning message. Not to mention that if the allocation fails, the user is most likely going to get a stack trace from slab already. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* netfilter: xtables: remove almost-unused xt_match_param.data memberJan Engelhardt2010-03-181-3/+6
| | | | | | | | | | | | | This member is taking up a "long" per match, yet is only used by one module out of the roughly 90 modules, ip6t_hbh. ip6t_hbh can be restructured a little to accomodate for the lack of the .data member. This variant uses checking the par->match address, which should avoid having to add two extra functions, including calls, i.e. (hbh_mt6: call hbhdst_mt6(skb, par, NEXTHDR_OPT), dst_mt6: call hbhdst_mt6(skb, par, NEXTHDR_DEST)) Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* netfilter: xtables: make use of caller family rather than match familyJan Engelhardt2010-03-185-14/+14
| | | | | | | | The matches can have .family = NFPROTO_UNSPEC, and though that is not the case for the touched modules, it seems better to just use the nfproto from the caller. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* netfilter: xtables: resort osf kconfig textJan Engelhardt2010-03-181-13/+13
| | | | | | | Restore alphabetical ordering of the list and put the xt_osf option into its 'right' place again. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* netfilter: xtables: limit xt_mac to ethernet devicesJan Engelhardt2010-03-181-0/+3
| | | | | | | | I do not see a point of allowing the MAC module to work with devices that don't possibly have one, e.g. various tunnel interfaces such as tun and sit. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* netfilter: xtables: clean up xt_mac match routineJan Engelhardt2010-03-181-8/+10
| | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* netfilter: xtables: do without explicit XT_ALIGNJan Engelhardt2010-03-182-2/+2
| | | | | | | XT_ALIGN is already applied on matchsize/targetsize in x_tables.c, so it is not strictly needed in the extensions. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* Merge branch 'master' of ../nf-2.6Patrick McHardy2010-03-182-16/+12
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| * netfilter: net/netfilter/ipvs/ip_vs_ftp.c: Remove use of NIPQUADJoe Perches2010-03-151-2/+8
| | | | | | | | | | | | | | | | | | | | | | NIPQUAD has very few uses left. Remove this use and make the code have the identical form of the only other use of "%u,%u,%u,%u,%u,%u" in net/ipv4/netfilter/nf_nat_ftp.c Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Simon Horman <horms@verge.net.au> Signed-off-by: Patrick McHardy <kaber@trash.net>
| * netfilter: ebt_ip6: Use ipv6_masked_addr_cmp()YOSHIFUJI Hideaki2010-03-081-14/+4
| | | | | | | | | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: Bart De Schuymer <bdschuym@pandora.be> Signed-off-by: Patrick McHardy <kaber@trash.net>
* | netfilter: remove unused headers in net/netfilter/nfnetlink.cZhitong Wang2010-03-171-3/+0
| | | | | | | | | | | | | | Remove unused headers in net/netfilter/nfnetlink.c Signed-off-by: Zhitong Wang <zhitong.wangzt@alibaba-inc.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
* | netfilter: xt_recent: check for unsupported user space flagsTim Gardner2010-03-171-0/+5
| | | | | | | | | | Signed-off-by: Tim Gardner <tim.gardner@canonical.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
* | netfilter: xt_recent: add an entry reaperTim Gardner2010-03-171-1/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | One of the problems with the way xt_recent is implemented is that there is no efficient way to remove expired entries. Of course, one can write a rule '-m recent --remove', but you have to know beforehand which entry to delete. This commit adds reaper logic which checks the head of the LRU list when a rule is invoked that has a '--seconds' value and XT_RECENT_REAP set. If an entry ceases to accumulate time stamps, then it will eventually bubble to the top of the LRU list where it is then reaped. Signed-off-by: Tim Gardner <tim.gardner@canonical.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net>
* | netfilter: xt_recent: remove old proc directoryJan Engelhardt2010-03-172-112/+0
| | | | | | | | | | | | The compat option was introduced in October 2008. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* | netfilter: xt_recent: update descriptionJan Engelhardt2010-03-171-1/+1
| | | | | | | | | | | | It had IPv6 for quite a while already :-) Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* | netfilter: ebt_ip6: add principal maintainer in a MODULE_AUTHOR tagJan Engelhardt2010-03-171-0/+1
| | | | | | | | | | Cc: Kuo-Lang Tseng <kuo-lang.tseng@intel.com> Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* | netfilter: update my email addressJan Engelhardt2010-03-178-11/+7
| | | | | | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* | netfilter: xtables: merge xt_CONNMARK into xt_connmarkJan Engelhardt2010-03-174-135/+104
| | | | | | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* | netfilter: xtables: merge xt_MARK into xt_markJan Engelhardt2010-03-174-77/+65
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Two arguments for combining the two: - xt_mark is pretty useless without xt_MARK - the actual code is so small anyway that the kmod metadata and the module in its loaded state totally outweighs the combined actual code size. i586-before: -rw-r--r-- 1 jengelh users 3821 Feb 10 01:01 xt_MARK.ko -rw-r--r-- 1 jengelh users 2592 Feb 10 00:04 xt_MARK.o -rw-r--r-- 1 jengelh users 3274 Feb 10 01:01 xt_mark.ko -rw-r--r-- 1 jengelh users 2108 Feb 10 00:05 xt_mark.o text data bss dec hex filename 354 264 0 618 26a xt_MARK.o 223 176 0 399 18f xt_mark.o And the runtime size is like 14 KB. i586-after: -rw-r--r-- 1 jengelh users 3264 Feb 18 17:28 xt_mark.o Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* | netfilter: xtables: add comment markers to Xtables KconfigJan Engelhardt2010-03-171-0/+6
| | | | | | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* | netfilter: xt_NFQUEUE: consolidate v4/v6 targets into oneJan Engelhardt2010-03-171-28/+12
| | | | | | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* | netfilter: xt_CT: par->family is an nfprotoJan Engelhardt2010-03-171-2/+2
| | | | | | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* | net: convert multiple drivers to use netdev_for_each_mc_addr, part7Jiri Pirko2010-03-161-5/+5
| | | | | | | | | | | | | | In mlx4, using char * to store mc address in private structure instead. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | tipc: Allow retransmission of cloned buffersNeil Horman2010-03-161-5/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Forward port commit fc477e160af086f6e30c3d4fdf5f5c000d29beb5 from git://tipc.cslab.ericsson.net/pub/git/people/allan/tipc.git Origional commit message: Allow retransmission of cloned buffers This patch fixes an issue with TIPC's message retransmission logic that prevented retransmission of clone sk_buffs. Originally intended as a means of avoiding wasted work in retransmitting messages that were still on the driver's outbound queue, it also prevented TIPC from retransmitting messages through other means -- such as the secondary bearer of the broadcast link, or another interface in a set of bonded interfaces. This fix removes existing checks for cloned sk_buffs that prevented such retransmission. Origionally-Signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | tipc: Increase frequency of load distribution over broadcast linkNeil Horman2010-03-161-21/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Forward port commit 29eb572941501c40ac6e62dbc5043bf9ee76ee56 from git://tipc.cslab.ericsson.net/pub/git/people/allan/tipc.git Origional commit message: Increase frequency of load distribution over broadcast link This patch enhances the behavior of TIPC's broadcast link so that it alternates between redundant bearers (if available) after every message sent, rather than after every 10 messages. This change helps to speed up delivery of retransmitted messages by ensuring that they are not sent repeatedly over a bearer that is no longer working, but not yet recognized as failed. Tested by myself in the latest net-2.6 tree using the tipc sanity test suite Origionally-signed-off-by: Allan Stephens <allan.stephens@windriver.com> Signed-off-by: Neil Horman <nhorman@tuxdriver.com> bcast.c | 35 ++++++++++++++--------------------- 1 file changed, 14 insertions(+), 21 deletions(-) Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: core: add IFLA_STATS64 supportJan Engelhardt2010-03-161-1/+41
| | | | | | | | | | | | | | | | | | | | | | `ip -s link` shows interface counters truncated to 32 bit. This is because interface statistics are transported only in 32-bit quantity to userspace. This commit adds a new IFLA_STATS64 attribute that exports them in full 64 bit. References: http://lkml.indiana.edu/hypermail/linux/kernel/0307.3/0215.html Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: tcp: make veno selectable as default congestion moduleJan Engelhardt2010-03-161-0/+4
| | | | | | | | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: tcp: make hybla selectable as default congestion moduleJan Engelhardt2010-03-161-0/+4
| | | | | | | | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: remove rcu locking from fib_rules_event()Eric Dumazet2010-03-161-8/+2
| | | | | | | | | | | | | | | | We hold RTNL at this point and dont use RCU variants of list traversals, we dont need rcu_read_lock()/rcu_read_unlock() Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | bridge: per-cpu packet statistics (v3)stephen hemminger2010-03-164-6/+57
| | | | | | | | | | | | | | | | | | | | The shared packet statistics are a potential source of slow down on bridged traffic. Convert to per-cpu array, but only keep those statistics which change per-packet. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | rps: Receive Packet SteeringTom Herbert2010-03-163-57/+505
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch implements software receive side packet steering (RPS). RPS distributes the load of received packet processing across multiple CPUs. Problem statement: Protocol processing done in the NAPI context for received packets is serialized per device queue and becomes a bottleneck under high packet load. This substantially limits pps that can be achieved on a single queue NIC and provides no scaling with multiple cores. This solution queues packets early on in the receive path on the backlog queues of other CPUs. This allows protocol processing (e.g. IP and TCP) to be performed on packets in parallel. For each device (or each receive queue in a multi-queue device) a mask of CPUs is set to indicate the CPUs that can process packets. A CPU is selected on a per packet basis by hashing contents of the packet header (e.g. the TCP or UDP 4-tuple) and using the result to index into the CPU mask. The IPI mechanism is used to raise networking receive softirqs between CPUs. This effectively emulates in software what a multi-queue NIC can provide, but is generic requiring no device support. Many devices now provide a hash over the 4-tuple on a per packet basis (e.g. the Toeplitz hash). This patch allow drivers to set the HW reported hash in an skb field, and that value in turn is used to index into the RPS maps. Using the HW generated hash can avoid cache misses on the packet when steering it to a remote CPU. The CPU mask is set on a per device and per queue basis in the sysfs variable /sys/class/net/<device>/queues/rx-<n>/rps_cpus. This is a set of canonical bit maps for receive queues in the device (numbered by <n>). If a device does not support multi-queue, a single variable is used for the device (rx-0). Generally, we have found this technique increases pps capabilities of a single queue device with good CPU utilization. Optimal settings for the CPU mask seem to depend on architectures and cache hierarcy. Below are some results running 500 instances of netperf TCP_RR test with 1 byte req. and resp. Results show cumulative transaction rate and system CPU utilization. e1000e on 8 core Intel Without RPS: 108K tps at 33% CPU With RPS: 311K tps at 64% CPU forcedeth on 16 core AMD Without RPS: 156K tps at 15% CPU With RPS: 404K tps at 49% CPU bnx2x on 16 core AMD Without RPS 567K tps at 61% CPU (4 HW RX queues) Without RPS 738K tps at 96% CPU (8 HW RX queues) With RPS: 854K tps at 76% CPU (4 HW RX queues) Caveats: - The benefits of this patch are dependent on architecture and cache hierarchy. Tuning the masks to get best performance is probably necessary. - This patch adds overhead in the path for processing a single packet. In a lightly loaded server this overhead may eliminate the advantages of increased parallelism, and possibly cause some relative performance degradation. We have found that masks that are cache aware (share same caches with the interrupting CPU) mitigate much of this. - The RPS masks can be changed dynamically, however whenever the mask is changed this introduces the possibility of generating out of order packets. It's probably best not change the masks too frequently. Signed-off-by: Tom Herbert <therbert@google.com> include/linux/netdevice.h | 32 ++++- include/linux/skbuff.h | 3 + net/core/dev.c | 335 +++++++++++++++++++++++++++++++++++++-------- net/core/net-sysfs.c | 225 ++++++++++++++++++++++++++++++- net/core/skbuff.c | 2 + 5 files changed, 538 insertions(+), 59 deletions(-) Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | RDS: Enable per-cpu workqueue threadsTina Yang2010-03-161-1/+1
| | | | | | | | | | | | | | | | Create per-cpu workqueue threads instead of a single krdsd thread. This is a step towards better scalability. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | RDS: Do not call set_page_dirty() with irqs offAndy Grover2010-03-163-7/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | set_page_dirty() unconditionally re-enables interrupts, so if we call it with irqs off, they will be on after the call, and that's bad. This patch moves the call after we've re-enabled interrupts in send_drop_to(), so it's safe. Also, add BUG_ONs to let us know if we ever do call set_page_dirty with interrupts off. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | RDS: Properly unmap when getting a remote access errorSherman Pun2010-03-161-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | If the RDMA op has aborted with a remote access error, in addition to what we already do (tell userspace it has completed with an error) also unmap it and put() the rm. Otherwise, hangs may occur on arches that track maps and will not exit without proper cleanup. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | RDS: only put sockets that have seen congestion on the poll_waitqAndy Grover2010-03-163-2/+11
| | | | | | | | | | | | | | | | | | | | | | | | rds_poll_waitq's listeners will be awoken if we receive a congestion notification. Bad performance may result because *all* polled sockets contend for this single lock. However, it should not be necessary to wake pollers when a congestion update arrives if they have never experienced congestion, and not putting these on the waitq will hopefully greatly reduce contention. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | RDS: Fix locking in rds_send_drop_to()Tina Yang2010-03-161-6/+7
| | | | | | | | | | | | | | | | | | | | | | | | It seems rds_send_drop_to() called __rds_rdma_send_complete(rs, rm, RDS_RDMA_CANCELED) with only rds_sock lock, but not rds_message lock. It raced with other threads that is attempting to modify the rds_message as well, such as from within rds_rdma_send_complete(). Signed-off-by: Tina Yang <tina.yang@oracle.com> Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | RDS: Turn down alarming reconnect messagesAndy Grover2010-03-163-3/+6
| | | | | | | | | | | | | | | | | | | | RDS's error messages when a connection goes down are a little extreme. A connection may go down, and it will be re-established, and everything is fine. This patch links these messages through rdsdebug(), instead of to printk directly. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | RDS: Workaround for in-use MRs on close causing crashAndy Grover2010-03-161-2/+2
| | | | | | | | | | | | | | | | | | | | if a machine is shut down without closing sockets properly, and freeing all MRs, then a BUG_ON will bring it down. This patch changes these to WARN_ONs -- leaking MRs is not fatal (although not ideal, and there is more work to do here for a proper fix.) Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | RDS: Fix send locking issueTina Yang2010-03-161-3/+2
| | | | | | | | | | | | | | | | | | | | Fix a deadlock between rds_rdma_send_complete() and rds_send_remove_from_sock() when rds socket lock and rds message lock are acquired out-of-order. Signed-off-by: Tina Yang <Tina.Yang@oracle.com> Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | RDS: Fix congestion issues for loopbackAndy Grover2010-03-163-9/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We have two kinds of loopback: software (via loop transport) and hardware (via IB). sw is used for 127.0.0.1, and doesn't support rdma ops. hw is used for sends to local device IPs, and supports rdma. Both are used in different cases. For both of these, when there is a congestion map update, we want to call rds_cong_map_updated() but not actually send anything -- since loopback local and foreign congestion maps point to the same spot, they're already in sync. The old code never called sw loop's xmit_cong_map(),so rds_cong_map_updated() wasn't being called for it. sw loop ports would not work right with the congestion monitor. Fixing that meant that hw loopback now would send congestion maps to itself. This is also undesirable (racy), so we check for this case in the ib-specific xmit code. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | RDS/TCP: Wait to wake thread when write space availableAndy Grover2010-03-161-1/+3
| | | | | | | | | | | | | | | | | | | | Instead of waking the send thread whenever any send space is available, wait until it is at least half empty. This is modeled on how sock_def_write_space() does it, and may help to minimize context switches. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | RDS: update copy_to_user state in tcp transportAndy Grover2010-03-161-0/+1
| | | | | | | | | | | | | | | | | | | | Other transports use rds_page_copy_user, which updates our s_copy_to_user counter. TCP doesn't, so it needs to explicity call rds_stats_add(). Reported-by: Richard Frank <richard.frank@oracle.com> Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | RDS: sendmsg() should check sndtimeo, not rcvtimeoAndy Grover2010-03-161-1/+1
| | | | | | | | | | | | | | Most likely cut n paste error - sendmsg() was checking sock_rcvtimeo. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | RDS: Do not BUG() on error returned from ib_post_sendAndy Grover2010-03-165-12/+9
| | | | | | | | | | | | | | | | | | BUGging on a runtime error code should be avoided. This patch also eliminates all other BUG()s that have no real reason to exist. Signed-off-by: Andy Grover <andy.grover@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | bridge: Make first arg to deliver_clone const.David S. Miller2010-03-161-2/+4
| | | | | | | | | | | | Otherwise we get a warning from the call in br_forward(). Signed-off-by: David S. Miller <davem@davemloft.net>
* | bridge br_multicast: Don't refer to BR_INPUT_SKB_CB(skb)->mrouters_only ↵YOSHIFUJI Hideaki / 吉藤英明2010-03-163-2/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | without IGMP snooping. Without CONFIG_BRIDGE_IGMP_SNOOPING, BR_INPUT_SKB_CB(skb)->mrouters_only is not appropriately initialized, so we can see garbage. A clear option to fix this is to set it even without that config, but we cannot optimize out the branch. Let's introduce a macro that returns value of mrouters_only and let it return 0 without CONFIG_BRIDGE_IGMP_SNOOPING. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | route: Fix caught BUG_ON during rt_secret_rebuild_oneshot()Vitaliy Gusev2010-03-161-10/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | route: Fix caught BUG_ON during rt_secret_rebuild_oneshot() Call rt_secret_rebuild can cause BUG_ON(timer_pending(&net->ipv4.rt_secret_timer)) in add_timer as there is not any synchronization for call rt_secret_rebuild_oneshot() for the same net namespace. Also this issue affects to rt_secret_reschedule(). Thus use mod_timer enstead. Signed-off-by: Vitaliy Gusev <vgusev@openvz.org> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | bridge br_multicast: Fix skb leakage in error path.YOSHIFUJI Hideaki / 吉藤英明2010-03-161-2/+3
| | | | | | | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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