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2006-03-20[IPV6]: ROUTE: Handle finding the next best route in reachability in ↵YOSHIFUJI Hideaki
BACKTRACK(). Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPV6]: ROUTE: Try finding the next best route.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPV6]: ROUTE: Clean up rt6_select() code path in ip6_route_{intput,output}().YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPV6]: ROUTE: Try selecting better route for non-default routes as well.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPV6]: ROUTE: More strict check for default routers in rt6_get_dflt_router().YOSHIFUJI Hideaki
Check RTF_ADDRCONF|RTF_DEFAULT in rt6_get_dflt_router(). Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPV6]: ROUTE: Eliminate lock for default route pointer.YOSHIFUJI Hideaki
And prepare for more advanced router selection. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPV6]: ROUTE: Clean-up cow'ing in ip6_route_{intput,output}().YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPV6]: ROUTE: Convert rt6_cow() to rt6_alloc_cow().YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPV6]: ROUTE: Clean up reference counting / unlocking for returning object.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPV6]: ROUTE: Unify two code paths for pmtu disc.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPV6]: ROUTE: Add rt6_alloc_clone() for cloning route allocation.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPV6]: ROUTE: Copy u.dst.error for RTF_REJECT routes when cloning.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPV6]: ROUTE: Set appropriate information before inserting a route.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPV6]: ROUTE: Split up rt6_cow() for future changes.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPV6]: ADDRCONF: Add accept_ra_pinfo sysctl.YOSHIFUJI Hideaki
This controls whether we accept Prefix Information in RAs. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPV6]: ROUTE: Add accept_ra_defrtr sysctl.YOSHIFUJI Hideaki
This controls whether we accept default router information in RAs. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPV6]: ADDRCONF: Split up ipv6_generate_eui64() by device type.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPV6]: ADDRCONF: Use our standard algorithm for randomized ifid.YOSHIFUJI Hideaki
RFC 3041 describes an algorithm to generate random interface identifier. In RFC 3041bis, it is allowed to use different algorithm than one described in RFC 3041. So, let's use our standard pseudo random algorithm to simplify our implementation. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NET]: NEIGHBOUR: Ensure to record time to neigh->updated when neighbour's ↵YOSHIFUJI Hideaki
state changed. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPV6]: TUNNEL6: Don't try to add multicast route twice.YOSHIFUJI Hideaki
Since addrconf_add_dev() has already called addrconf_add_mroute() to added route for multicast prefix, there's no point to call it again in addrconf_ip6_tnl_config(). Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20Merge branch 'upstream' of ↵Jeff Garzik
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
2006-03-20Merge branch 'master'Jeff Garzik
2006-03-19[AX.25]: Fix potencial memory hole.Ralf Baechle DL5RB
If the AX.25 dialect chosen by the sysadmin is set to DAMA master / 3 (or DAMA slave / 2, if CONFIG_AX25_DAMA_SLAVE=n) ax25_kick() will fall through the switch statement without calling ax25_send_iframe() or any other function that would eventually free skbn thus leaking the packet. Fix by restricting the sysctl inferface to allow only actually supported AX.25 dialects. The system administration mistake needed for this to happen is rather unlikely, so this is an uncritical hole. Coverity #651. Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-17[PATCH] ieee80211: Don't update network statistics from off-channel packets.James Ketrenos
This patch fixes a problem in the ieee80211 probe response and beacon reception code that would use the packet statistics for a network even if they were received on a channel other than that which the network exists on. This causes a problem in overlapping channels where, for example, a strong AP on channel 2 could have its beacons received on channels 1 and 3, but at much lower signal levels. If scanning was done sequentially, this means the beacon received on channel 3 would update the AP's signal level as being much lower than it really is, which subsequently could cause that AP to be passed over and an alternate AP selected. Signed-off-by: James Ketrenos <jketreno@linux.intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-16Merge branch 'upstream-fixes'Jeff Garzik
2006-03-15Merge branch 'upstream-fixes'John W. Linville
2006-03-15[PATCH] ieee80211: Fix QoS is not active problemHong Liu
Fix QoS is not active even the network and the card is QOS enabled. The problem is we pass the wrong ieee80211_network address to ipw_handle_beacon/ipw_handle_probe_response, thus the ieee80211_network->qos_data.active will not be set, causing the driver not sending QoS frames at all. Signed-off-by: Hong Liu <hong.liu@intel.com> Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-15[PATCH] ieee80211: Fix CCMP decryption problem when QoS is enabledZhu Yi
Use the correct STYPE for Qos data. Signed-off-by: Zhu Yi <yi.zhu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2006-03-14[PATCH] SUNRPC: Fix potential deadlock in RPC codeTrond Myklebust
In rpc_wake_up() and rpc_wake_up_status(), it is possible for the call to __rpc_wake_up_task() to fail if another thread happens to be calling rpc_wake_up_task() on the same rpc_task. Problem noticed by Bruno Faccini. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-14[PATCH] SUNRPC: fix a NULL pointer dereference in net/sunrpc/clnt.cAdrian Bunk
The Coverity checker spotted this possible NULL pointer dereference in rpc_new_client(). Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-13[TCP]: Fix zero port problem in IPv6Herbert Xu
When we link a socket into the hash table, we need to make sure that we set the num/port fields so that it shows us with a non-zero port value in proc/netlink and on the wire. This code and comment is copied over from the IPv4 stack as is. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2006-03-12[NETFILTER]: arp_tables: fix NULL pointer dereferencePatrick McHardy
The check is wrong and lets NULL-ptrs slip through since !IS_ERR(NULL) is true. Coverity #190 Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-12[IPV4/6]: Fix UFO error propagationPatrick McHardy
When ufo_append_data fails err is uninitialized, but returned back. Strangely gcc doesn't notice it. Coverity #901 and #902 Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-12[TCP]: tcp_highspeed: fix AIMD table out-of-bounds accessPatrick McHardy
Covertiy #547 Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-12[NETLINK]: Fix use-after-free in netlink_recvmsgPatrick McHardy
The skb given to netlink_cmsg_recv_pktinfo is already freed, move it up a few lines. Coverity #948 Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-12[XFRM]: Fix leak in ah6_inputPatrick McHardy
tmp_hdr is not freed when ipv6_clear_mutable_options fails. Coverity #650 Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-12[NET_SCHED]: act_api: fix skb leak in error pathPatrick McHardy
The skb is allocated by the function, so it needs to be freed instead of trimmed on overrun. Coverity #614 Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-12[NETFILTER]: nfnetlink_queue: fix possible NULL-ptr dereferencePatrick McHardy
Fix NULL-ptr dereference when a config message for a non-existant queue containing only an NFQA_CFG_PARAMS attribute is received. Coverity #433 Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-11[TCP]: Fix tcp_tso_should_defer() when limit>=65536David S. Miller
That's >= a full sized TSO frame, so we should always return 0 in that case. Based upon a report and initial patch from Lachlan Andrew, final patch suggested by Herbert Xu. Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-11[NETFILTER]: Fix wrong option spelling in Makefile for CONFIG_BRIDGE_EBT_ULOGGregor Maier
Signed-off-by: Gregor Maier <gregor@net.in.tum.de> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-11[IPV6]: fix ipv6_saddr_score struct elementBrian Haley
The scope element in the ipv6_saddr_score struct used in ipv6_dev_get_saddr() is an unsigned integer, but __ipv6_addr_src_scope() returns a signed integer (and can return -1). Signed-off-by: Brian Haley <brian.haley@hp.com> Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-11Merge branch 'upstream-fixes'Jeff Garzik
2006-03-08[PATCH] fix file countingDipankar Sarma
I have benchmarked this on an x86_64 NUMA system and see no significant performance difference on kernbench. Tested on both x86_64 and powerpc. The way we do file struct accounting is not very suitable for batched freeing. For scalability reasons, file accounting was constructor/destructor based. This meant that nr_files was decremented only when the object was removed from the slab cache. This is susceptible to slab fragmentation. With RCU based file structure, consequent batched freeing and a test program like Serge's, we just speed this up and end up with a very fragmented slab - llm22:~ # cat /proc/sys/fs/file-nr 587730 0 758844 At the same time, I see only a 2000+ objects in filp cache. The following patch I fixes this problem. This patch changes the file counting by removing the filp_count_lock. Instead we use a separate percpu counter, nr_files, for now and all accesses to it are through get_nr_files() api. In the sysctl handler for nr_files, we populate files_stat.nr_files before returning to user. Counting files as an when they are created and destroyed (as opposed to inside slab) allows us to correctly count open files with RCU. Signed-off-by: Dipankar Sarma <dipankar@in.ibm.com> Cc: "Paul E. McKenney" <paulmck@us.ibm.com> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-07[NETFILTER] ip_queue: Fix wrong skb->len == nlmsg_len assumptionThomas Graf
The size of the skb carrying the netlink message is not equivalent to the length of the actual netlink message due to padding. ip_queue matches the length of the payload against the original packet size to determine if packet mangling is desired, due to the above wrong assumption arbitary packets may not be mangled depening on their original size. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-04[DCCP] ccid3: Divide by zero fixIan McDonald
In rare circumstances 0 is returned by dccp_li_hist_calc_i_mean which leads to a divide by zero in ccid3_hc_rx_packet_recv. Explicitly check for zero return now. Update copyright notice at same time. Found by Arnaldo. Signed-off-by: Ian McDonald <imcdnzl@gmail.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-04[ATM]: keep atmsvc failure messages quietChas Williams
Signed-off-by: Chas Williams <chas@cmf.nrl.navy.mil> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-04[BRIDGE]: generate kobject remove eventStephen Hemminger
The earlier round of kobject/sysfs changes to bridge caused it not to generate a uevent on removal. Don't think any application cares (not sure about Xen) but since it generates add uevent it should generate remove as well. Signed-off-by: Stephen Hemminger <shemmigner@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-04[BRIDGE]: port timer initializationStephen Hemminger
Initialize the STP timers for a port when it is created, rather than when it is enabled. This will prevent future race conditions where timer gets started before port is enabled. Signed-off-by: Stephen Hemminger <shemmigner@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-04[BRIDGE]: fix crash in STPStephen Hemminger
Bridge would crash because of uninitailized timer if STP is used and device was inserted into a bridge before bridge was up. This got introduced when the delayed port checking was added. Fix is to not enable STP on port unless bridge is up. Bugzilla: http://bugzilla.kernel.org/show_bug.cgi?id=6140 Dup: http://bugzilla.kernel.org/show_bug.cgi?id=6156 Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-03[PATCH] bonding: suppress duplicate packetsJay Vosburgh
Originally submitted by Kenzo Iwami; his original description is: The current bonding driver receives duplicate packets when broadcast/ multicast packets are sent by other devices or packets are flooded by the switch. In this patch, new flags are added in priv_flags of net_device structure to let the bonding driver discard duplicate packets in dev.c:skb_bond(). Modified by Jay Vosburgh to change a define name, update some comments, rearrange the new skb_bond() for clarity, clear all bonding priv_flags on slave release, and update the driver version. Signed-off-by: Kenzo Iwami <k-iwami@cj.jp.nec.com> Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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