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2010-04-28caif: Add reference counting to service layerSjur Braendeland
Changes: o Added functions cfsrvl_get and cfsrvl_put. o Added support release_client to use by socket and net device. o Increase reference counting for in-flight packets from cfmuxl Signed-off-by: Sjur Braendeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28caif: Rename functions in cfcnfg and caif_devSjur Braendeland
Changes: o Renamed cfcnfg_del_adapt_layer to cfcnfg_disconn_adapt_layer o Fixed typo cfcfg to cfcnfg o Renamed linkid to channel_id o Updated documentation in caif_dev.h o Minor formatting changes Signed-off-by: Sjur Braendeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28sctp: Fix oops when sending queued ASCONF chunksVlad Yasevich
When we finish processing ASCONF_ACK chunk, we try to send the next queued ASCONF. This action runs the sctp state machine recursively and it's not prepared to do so. kernel BUG at kernel/timer.c:790! invalid opcode: 0000 [#1] SMP last sysfs file: /sys/module/ipv6/initstate Modules linked in: sha256_generic sctp libcrc32c ipv6 dm_multipath uinput 8139too i2c_piix4 8139cp mii i2c_core pcspkr virtio_net joydev floppy virtio_blk virtio_pci [last unloaded: scsi_wait_scan] Pid: 0, comm: swapper Not tainted 2.6.34-rc4 #15 /Bochs EIP: 0060:[<c044a2ef>] EFLAGS: 00010286 CPU: 0 EIP is at add_timer+0xd/0x1b EAX: cecbab14 EBX: 000000f0 ECX: c0957b1c EDX: 03595cf4 ESI: cecba800 EDI: cf276f00 EBP: c0957aa0 ESP: c0957aa0 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 Process swapper (pid: 0, ti=c0956000 task=c0988ba0 task.ti=c0956000) Stack: c0957ae0 d1851214 c0ab62e4 c0ab5f26 0500ffff 00000004 00000005 00000004 <0> 00000000 d18694fd 00000004 1666b892 cecba800 cecba800 c0957b14 00000004 <0> c0957b94 d1851b11 ceda8b00 cecba800 cf276f00 00000001 c0957b14 000000d0 Call Trace: [<d1851214>] ? sctp_side_effects+0x607/0xdfc [sctp] [<d1851b11>] ? sctp_do_sm+0x108/0x159 [sctp] [<d1863386>] ? sctp_pname+0x0/0x1d [sctp] [<d1861a56>] ? sctp_primitive_ASCONF+0x36/0x3b [sctp] [<d185657c>] ? sctp_process_asconf_ack+0x2a4/0x2d3 [sctp] [<d184e35c>] ? sctp_sf_do_asconf_ack+0x1dd/0x2b4 [sctp] [<d1851ac1>] ? sctp_do_sm+0xb8/0x159 [sctp] [<d1863334>] ? sctp_cname+0x0/0x52 [sctp] [<d1854377>] ? sctp_assoc_bh_rcv+0xac/0xe1 [sctp] [<d1858f0f>] ? sctp_inq_push+0x2d/0x30 [sctp] [<d186329d>] ? sctp_rcv+0x797/0x82e [sctp] Tested-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: Yuansong Qiao <ysqiao@research.ait.ie> Signed-off-by: Shuaijun Zhang <szhang@research.ait.ie> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28sctp: fix to calc the INIT/INIT-ACK chunk length correctly is setWei Yongjun
When calculating the INIT/INIT-ACK chunk length, we should not only account the length of parameters, but also the parameters zero padding length, such as AUTH HMACS parameter and CHUNKS parameter. Without the parameters zero padding length we may get following oops. skb_over_panic: text:ce2068d2 len:130 put:6 head:cac3fe00 data:cac3fe00 tail:0xcac3fe82 end:0xcac3fe80 dev:<NULL> ------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:127! invalid opcode: 0000 [#2] SMP last sysfs file: /sys/module/aes_generic/initstate Modules linked in: authenc ...... Pid: 4102, comm: sctp_darn Tainted: G D 2.6.34-rc2 #6 EIP: 0060:[<c0607630>] EFLAGS: 00010282 CPU: 0 EIP is at skb_over_panic+0x37/0x3e EAX: 00000078 EBX: c07c024b ECX: c07c02b9 EDX: cb607b78 ESI: 00000000 EDI: cac3fe7a EBP: 00000002 ESP: cb607b74 DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 Process sctp_darn (pid: 4102, ti=cb607000 task=cabdc990 task.ti=cb607000) Stack: c07c02b9 ce2068d2 00000082 00000006 cac3fe00 cac3fe00 cac3fe82 cac3fe80 <0> c07c024b cac3fe7c cac3fe7a c0608dec ca986e80 ce2068d2 00000006 0000007a <0> cb8120ca ca986e80 cb812000 00000003 cb8120c4 ce208a25 cb8120ca cadd9400 Call Trace: [<ce2068d2>] ? sctp_addto_chunk+0x45/0x85 [sctp] [<c0608dec>] ? skb_put+0x2e/0x32 [<ce2068d2>] ? sctp_addto_chunk+0x45/0x85 [sctp] [<ce208a25>] ? sctp_make_init+0x279/0x28c [sctp] [<c0686a92>] ? apic_timer_interrupt+0x2a/0x30 [<ce1fdc0b>] ? sctp_sf_do_prm_asoc+0x2b/0x7b [sctp] [<ce202823>] ? sctp_do_sm+0xa0/0x14a [sctp] [<ce2133b9>] ? sctp_pname+0x0/0x14 [sctp] [<ce211d72>] ? sctp_primitive_ASSOCIATE+0x2b/0x31 [sctp] [<ce20f3cf>] ? sctp_sendmsg+0x7a0/0x9eb [sctp] [<c064eb1e>] ? inet_sendmsg+0x3b/0x43 [<c04244b7>] ? task_tick_fair+0x2d/0xd9 [<c06031e1>] ? sock_sendmsg+0xa7/0xc1 [<c0416afe>] ? smp_apic_timer_interrupt+0x6b/0x75 [<c0425123>] ? dequeue_task_fair+0x34/0x19b [<c0446abb>] ? sched_clock_local+0x17/0x11e [<c052ea87>] ? _copy_from_user+0x2b/0x10c [<c060ab3a>] ? verify_iovec+0x3c/0x6a [<c06035ca>] ? sys_sendmsg+0x186/0x1e2 [<c042176b>] ? __wake_up_common+0x34/0x5b [<c04240c2>] ? __wake_up+0x2c/0x3b [<c057e35c>] ? tty_wakeup+0x43/0x47 [<c04430f2>] ? remove_wait_queue+0x16/0x24 [<c0580c94>] ? n_tty_read+0x5b8/0x65e [<c042be02>] ? default_wake_function+0x0/0x8 [<c0604e0e>] ? sys_socketcall+0x17f/0x1cd [<c040264c>] ? sysenter_do_call+0x12/0x22 Code: 0f 45 de 53 ff b0 98 00 00 00 ff b0 94 ...... EIP: [<c0607630>] skb_over_panic+0x37/0x3e SS:ESP 0068:cb607b74 To reproduce: # modprobe sctp # echo 1 > /proc/sys/net/sctp/addip_enable # echo 1 > /proc/sys/net/sctp/auth_enable # sctp_test -H 3ffe:501:ffff:100:20c:29ff:fe4d:f37e -P 800 -l # sctp_darn -H 3ffe:501:ffff:100:20c:29ff:fe4d:f37e -P 900 -h 192.168.0.21 -p 800 -I -s -t sctp_darn ready to send... 3ffe:501:ffff:100:20c:29ff:fe4d:f37e:900-192.168.0.21:800 Interactive mode> bindx-add=192.168.0.21 3ffe:501:ffff:100:20c:29ff:fe4d:f37e:900-192.168.0.21:800 Interactive mode> bindx-add=192.168.1.21 3ffe:501:ffff:100:20c:29ff:fe4d:f37e:900-192.168.0.21:800 Interactive mode> snd=10 ------------------------------------------------------------------ eth0 has addresses: 3ffe:501:ffff:100:20c:29ff:fe4d:f37e and 192.168.0.21 eth1 has addresses: 192.168.1.21 ------------------------------------------------------------------ Reported-by: George Cheimonidis <gchimon@gmail.com> Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28sctp: per_cpu variables should be in bh_disabled sectionVlad Yasevich
Since the change of the atomics to percpu variables, we now have to disable BH in process context when touching percpu variables. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28sctp: fix potential reference of a freed pointerVlad Yasevich
When sctp attempts to update an assocition, it removes any addresses that were not in the updated INITs. However, the loop may attempt to refrence a transport with address after removing it. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28sctp: avoid irq lock inversion while call sk->sk_data_ready()Wei Yongjun
sk->sk_data_ready() of sctp socket can be called from both BH and non-BH contexts, but the default sk->sk_data_ready(), sock_def_readable(), can not be used in this case. Therefore, we have to make a new function sctp_data_ready() to grab sk->sk_data_ready() with BH disabling. ========================================================= [ INFO: possible irq lock inversion dependency detected ] 2.6.33-rc6 #129 --------------------------------------------------------- sctp_darn/1517 just changed the state of lock: (clock-AF_INET){++.?..}, at: [<c06aab60>] sock_def_readable+0x20/0x80 but this lock took another, SOFTIRQ-unsafe lock in the past: (slock-AF_INET){+.-...} and interrupts could create inverse lock ordering between them. other info that might help us debug this: 1 lock held by sctp_darn/1517: #0: (sk_lock-AF_INET){+.+.+.}, at: [<cdfe363d>] sctp_sendmsg+0x23d/0xc00 [sctp] Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28Revert "tcp: bind() fix when many ports are bound"David S. Miller
This reverts two commits: fda48a0d7a8412cedacda46a9c0bf8ef9cd13559 tcp: bind() fix when many ports are bound and a follow-on fix for it: 6443bb1fc2050ca2b6585a3fa77f7833b55329ed ipv6: Fix inet6_csk_bind_conflict() It causes problems with binding listening sockets when time-wait sockets from a previous instance still are alive. It's too late to keep fiddling with this so late in the -rc series, and we'll deal with it in net-next-2.6 instead. Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27bridge: multicast_flood cleanupstephen hemminger
Move some declarations around to make it clearer which variables are being used inside loop. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27bridge: multicast port group RCU fixstephen hemminger
The recently introduced bridge mulitcast port group list was only partially using RCU correctly. It was missing rcu_dereference() and missing the necessary barrier on deletion. The code should have used one of the standard list methods (list or hlist) instead of open coding a RCU based link list. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27bridge: multicast floodstephen hemminger
Fix unsafe usage of RCU. Would never work on Alpha SMP because of lack of rcu_dereference() Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27bridge: simplify multicast_add_routerstephen hemminger
By coding slightly differently, there are only two cases to deal with: add at head and add after previous entry. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27bluetooth: handle l2cap_create_connless_pdu() errorsDan Carpenter
l2cap_create_connless_pdu() can sometimes return ERR_PTR(-ENOMEM) or ERR_PTR(-EFAULT). Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27Revert "bridge: Use hlist_for_each_entry_rcu() in br_multicast_add_router()"David S. Miller
This reverts commit ff65e8275f6c96a5eda57493bd84c4555decf7b3. As explained by Stephen Hemminger, the traversal doesn't require RCU handling as we hold a lock. The list addition et al. calls, on the other hand, do. Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27bridge: Use hlist_for_each_entry_rcu() in br_multicast_add_router()David S. Miller
Noticed by Michał Mirosław. Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27net: disallow to use net_assign_generic externallyJiri Pirko
Now there's no need to use this fuction directly because it's handled by register_pernet_device. So to make this simple and easy to understand, make this static to do not tempt potentional users. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27net: sk_add_backlog() take rmem_alloc into accountEric Dumazet
Current socket backlog limit is not enough to really stop DDOS attacks, because user thread spend many time to process a full backlog each round, and user might crazy spin on socket lock. We should add backlog size and receive_queue size (aka rmem_alloc) to pace writers, and let user run without being slow down too much. Introduce a sk_rcvqueues_full() helper, to avoid taking socket lock in stress situations. Under huge stress from a multiqueue/RPS enabled NIC, a single flow udp receiver can now process ~200.000 pps (instead of ~100 pps before the patch) on a 8 core machine. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27net: batch skb dequeueing from softnet input_pkt_queueChangli Gao
batch skb dequeueing from softnet input_pkt_queue to reduce potential lock contention when RPS is enabled. Note: in the worst case, the number of packets in a softnet_data may be double of netdev_max_backlog. Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27net: Make RFS socket operations not be inet specific.David S. Miller
Idea from Eric Dumazet. As for placement inside of struct sock, I tried to choose a place that otherwise has a 32-bit hole on 64-bit systems. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
2010-04-27net: reimplement softnet_data.output_queue as a FIFO queueChangli Gao
reimplement softnet_data.output_queue as a FIFO queue to keep the fairness among the qdiscs rescheduled. Signed-off-by: Changli Gao <xiaosuo@gmail.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> ---- include/linux/netdevice.h | 1 + net/core/dev.c | 22 ++++++++++++---------- 2 files changed, 13 insertions(+), 10 deletions(-) Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27mac80211: fix rts threshold checkShanyu Zhao
Currently whenever rts thresold is set, every packet will use RTS protection no matter its size exceeds the threshold or not. This is due to a bug in the rts threshold check. if (len > tx->local->hw.wiphy->rts_threshold) { txrc.rts = rts = true; } Basically it is comparing an int (len) and a u32 (rts_threshold), and the variable len is assigned as: len = min_t(int, tx->skb->len + FCS_LEN, tx->local->hw.wiphy->frag_threshold); However, when frag_threshold is "-1", len is always "-1", which is 0xffffffff therefore rts is always set to true. CC: stable@kernel.org Signed-off-by: Shanyu Zhao <shanyu.zhao@intel.com> Reviewed-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-27mac80211: give virtual interface to hw_scanJohannes Berg
When scanning, it is somewhat important to scan on the correct virtual interface. All drivers that currently implement hw_scan only support a single virtual interface, but that may change and then we'd want to be ready. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-27cfg80211: Remove default dynamic PS timeout valueJuuso Oikarinen
Now that the mac80211 is choosing dynamic ps timeouts based on the ps-qos network latency configuration, configure a default value of -1 as the dynamic ps timeout in cfg80211. This value allows the mac80211 to determine the value to be used. Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-27mac80211: Determine dynamic PS timeout based on ps-qos network latencyJuuso Oikarinen
Determine the dynamic PS timeout based on the configured ps-qos network latency. For backwards wext compatibility, allow the dynamic PS timeout configured by the cfg80211 to overrule the automatically determined value. Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-27mac80211: implement ap isolation supportFelix Fietkau
Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-27cfg80211: add ap isolation supportFelix Fietkau
This is used to configure APs to not bridge traffic between connected stations. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-27mac80211: fix handling of 4-address-mode in ieee80211_change_ifaceFelix Fietkau
A misplaced interface type check bails out too early if the interface is not in monitor mode. This patch moves it to the right place, so that it only covers changes to the monitor flags. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Cc: stable@kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-27Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/kaber/ipmr-2.6
2010-04-27TCP: avoid to send keepalive probes if receiving dataFlavio Leitner
RFC 1122 says the following: ... Keep-alive packets MUST only be sent when no data or acknowledgement packets have been received for the connection within an interval. ... The acknowledgement packet is reseting the keepalive timer but the data packet isn't. This patch fixes it by checking the timestamp of the last received data packet too when the keepalive timer expires. Signed-off-by: Flavio Leitner <fleitner@redhat.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27bridge: multicast router list manipulationstephen hemminger
I prefer that the hlist be only accessed through the hlist macro objects. Explicit twiddling of links (especially with RCU) exposes the code to future bugs. Compile tested only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27bridge: use is_multicast_ether_addrstephen hemminger
Use existing inline function. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/e100.c drivers/net/e1000e/netdev.c
2010-04-27bridge: Fix build of ipv6 multicast code.David S. Miller
Based upon a report from Stephen Rothwell: -------------------- net/bridge/br_multicast.c: In function 'br_ip6_multicast_alloc_query': net/bridge/br_multicast.c:469: error: implicit declaration of function 'csum_ipv6_magic' Introduced by commit 08b202b6726459626c73ecfa08fcdc8c3efc76c2 ("bridge br_multicast: IPv6 MLD support") from the net tree. csum_ipv6_magic is declared in net/ip6_checksum.h ... -------------------- Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-26bridge br_multicast: Ensure to initialize BR_INPUT_SKB_CB(skb)->mrouters_only.YOSHIFUJI Hideaki / 吉藤英明
Even with commit 32dec5dd0233ebffa9cae25ce7ba6daeb7df4467 ("bridge br_multicast: Don't refer to BR_INPUT_SKB_CB(skb)->mrouters_only without IGMP snooping."), BR_INPUT_SKB_CB(skb)->mrouters_only is not appropriately initialized if IGMP/MLD snooping support is compiled and disabled, so we can see garbage. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-26bridge br_multicast: Ensure to initialize BR_INPUT_SKB_CB(skb)->mrouters_only.YOSHIFUJI Hideaki / 吉藤英明
Even with commit 32dec5dd0233ebffa9cae25ce7ba6daeb7df4467 ("bridge br_multicast: Don't refer to BR_INPUT_SKB_CB(skb)->mrouters_only without IGMP snooping."), BR_INPUT_SKB_CB(skb)->mrouters_only is not appropriately initialized if IGMP snooping support is compiled and disabled, so we can see garbage. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-26ieee802154: Fix oops during ieee802154_sock_ioctlStefan Schmidt
Trying to run izlisten (from lowpan-tools tests) on a device that does not exists I got the oops below. The problem is that we are using get_dev_by_name without checking if we really get a device back. We don't in this case and writing to dev->type generates this oops. [Oops code removed by Dmitry Eremin-Solenikov] If possible this patch should be applied to the current -rc fixes branch. Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org> Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-26net: use sk_sleep()Eric Dumazet
Commit aa395145 (net: sk_sleep() helper) missed three files in the conversion. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-26phonet: use phonet_pernet instead of directly net_genericJiri Pirko
As in for example pppoe introduce phonet_pernet and use it instead of calling net_generic directly. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-26mac80211: Fix sta->last_tx_rate setting with no-op rate control devicesJuuso Oikarinen
The sta->last_tx_rate is traditionally updated just before transmitting a frame based on information from the rate control algorithm. However, for hardware drivers with IEEE80211_HW_HAS_RATE_CONTROL this is not performed, as the rate control algorithm is not executed, and because the used rate is not known before the frame has actually been transmitted. This causes atleast a fixed 1Mb/s to be reported to user space. A few other instances of code also rely on this information. Fix this by setting the sta->last_tx_rate in tx_status handling. There, look for last rates entry set by the driver, and use that as value for sta->last_tx_rate. Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-04-26net: ipmr: add support for dumping routing tables over netlinkPatrick McHardy
The ipmr /proc interface (ip_mr_cache) can't be extended to dump routes from any tables but the main table in a backwards compatible fashion since the output format ends in a variable amount of output interfaces. Introduce a new netlink interface to dump multicast routes from all tables, similar to the netlink interface for regular routes. Signed-off-by: Patrick McHardy <kaber@trash.net>
2010-04-26net: rtnetlink: decouple rtnetlink address families from real address familiesPatrick McHardy
Decouple rtnetlink address families from real address families in socket.h to be able to add rtnetlink interfaces to code that is not a real address family without increasing AF_MAX/NPROTO. This will be used to add support for multicast route dumping from all tables as the proc interface can't be extended to support anything but the main table without breaking compatibility. This partialy undoes the patch to introduce independant families for routing rules and converts ipmr routing rules to a new rtnetlink family. Similar to that patch, values up to 127 are reserved for real address families, values above that may be used arbitrarily. Signed-off-by: Patrick McHardy <kaber@trash.net>
2010-04-26net: fib_rules: mark arguments to fib_rules_register const and __net_initdataPatrick McHardy
fib_rules_register() duplicates the template passed to it without modification, mark the argument as const. Additionally the templates are only needed when instantiating a new namespace, so mark them as __net_initdata, which means they can be discarded when CONFIG_NET_NS=n. Signed-off-by: Patrick McHardy <kaber@trash.net>
2010-04-25ipv6: Fix inet6_csk_bind_conflict()Eric Dumazet
Commit fda48a0d7a84 (tcp: bind() fix when many ports are bound) introduced a bug on IPV6 part. We should not call ipv6_addr_any(inet6_rcv_saddr(sk2)) but ipv6_addr_any(inet6_rcv_saddr(sk)) because sk2 can be IPV4, while sk is IPV6. Reported-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Tested-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-25netns: rename unregister_pernet_subsys parameterJiri Pirko
Stay consistent with other functions and with comment also and name pernet_operations parameter properly. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-24rps: optimize rps_get_cpu()Changli Gao
optimize rps_get_cpu(). don't initialize ports when we can get the ports. one memory access for ports than two. Signed-off-by: Changli Gao <xiaosuo@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-23Merge branch 'net-next-2.6_20100423a/br/br_multicast_v3' of ↵David S. Miller
git://git.linux-ipv6.org/gitroot/yoshfuji/linux-2.6-next
2010-04-23IPv6: Complete IPV6_DONTFRAG supportBrian Haley
Finally add support to detect a local IPV6_DONTFRAG event and return the relevant data to the user if they've enabled IPV6_RECVPATHMTU on the socket. The next recvmsg() will return no data, but have an IPV6_PATHMTU as ancillary data. Signed-off-by: Brian Haley <brian.haley@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-23IPv6: Add dontfrag argument to relevant functionsBrian Haley
Add dontfrag argument to relevant functions for IPV6_DONTFRAG support, as well as allowing the value to be passed-in via ancillary cmsg data. Signed-off-by: Brian Haley <brian.haley@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-23IPv6: data structure changes for new socket optionsBrian Haley
Add underlying data structure changes and basic setsockopt() and getsockopt() support for IPV6_RECVPATHMTU, IPV6_PATHMTU, and IPV6_DONTFRAG. IPV6_PATHMTU is actually fully functional at this point. Signed-off-by: Brian Haley <brian.haley@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-23l2tp_eth: fix memory allocationJiri Pirko
Since .size is set properly in "struct pernet_operations l2tp_eth_net_ops", allocating space for "struct l2tp_eth_net" by hand is not correct, even causes memory leakage. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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