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2008-08-27IPVS: Rename ip_vs_proto_ah.c to ip_vs_proto_ah_esp.cJulius Volz
After integrating ESP into ip_vs_proto_ah, rename it (and the references to it) to ip_vs_proto_ah_esp.c and delete the old ip_vs_proto_esp.c. Signed-off-by: Julius Volz <juliusv@google.com> Signed-off-by: Simon Horman <horms@verge.net.au>
2008-08-27IPVS: Integrate ESP protocol into ip_vs_proto_ah.cJulius Volz
Rename all ah_* functions to ah_esp_* (and adjust comments). Move ESP protocol definition into ip_vs_proto_ah.c and remove all usage of ip_vs_proto_esp.c. Make the compilation of ip_vs_proto_ah.c dependent on a new config variable, IP_VS_PROTO_AH_ESP, which is selected either by IP_VS_PROTO_ESP or IP_VS_PROTO_AH. Only compile the selected protocols' structures within this file. Signed-off-by: Julius Volz <juliusv@google.com> Signed-off-by: Simon Horman <horms@verge.net.au>
2008-08-19ipvs: Fix race conditions in lblcr schedulerSven Wegener
We can't access the cache entry outside of our critical read-locked region, because someone may free that entry. Also getting an entry under read lock, then locking for write and trying to delete that entry looks fishy, but should be no problem here, because we're only comparing a pointer. Also there is no need for our own rwlock, there is already one in the service structure for use in the schedulers. Signed-off-by: Sven Wegener <sven.wegener@stealer.net> Signed-off-by: Simon Horman <horms@verge.net.au>
2008-08-19ipvs: Fix race conditions in lblc schedulerSven Wegener
We can't access the cache entry outside of our critical read-locked region, because someone may free that entry. And we also need to check in the critical region wether the destination is still available, i.e. it's not in the trash. If we drop our reference counter, the destination can be purged from the trash at any time. Our caller only guarantees that no destination is moved to the trash, while we are scheduling. Also there is no need for our own rwlock, there is already one in the service structure for use in the schedulers. Signed-off-by: Sven Wegener <sven.wegener@stealer.net> Signed-off-by: Simon Horman <horms@verge.net.au>
2008-08-19Merge branch 'master' of ↵Simon Horman
git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
2008-08-18pkt_sched: remove bogus block (cleanup)Ilpo Järvinen
...Last block local var got just deleted. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-18nf_nat: use secure_ipv4_port_ephemeral() for NAT port randomizationStephen Hemminger
Use incoming network tuple as seed for NAT port randomization. This avoids concerns of leaking net_random() bits, and also gives better port distribution. Don't have NAT server, compile tested only. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> [ added missing EXPORT_SYMBOL_GPL ] Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-18netfilter: ctnetlink: sleepable allocation with spin lock bhPablo Neira Ayuso
This patch removes a GFP_KERNEL allocation while holding a spin lock with bottom halves disabled in ctnetlink_change_helper(). This problem was introduced in 2.6.23 with the netfilter extension infrastructure. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-18netfilter: ctnetlink: fix sleep in read-side lock sectionPablo Neira Ayuso
Fix allocation with GFP_KERNEL in ctnetlink_create_conntrack() under read-side lock sections. This problem was introduced in 2.6.25. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-18netfilter: ctnetlink: fix double helper assignation for NAT'ed conntracksPablo Neira Ayuso
If we create a conntrack that has NAT handlings and a helper, the helper is assigned twice. This happens because nf_nat_setup_info() - via nf_conntrack_alter_reply() - sets the helper before ctnetlink, which indeed does not check if the conntrack already has a helper as it thinks that it is a brand new conntrack. The fix moves the helper assignation before the set of the status flags. This avoids a bogus assertion in __nf_ct_ext_add (if netfilter assertions are enabled) which checks that the conntrack must not be confirmed. This problem was introduced in 2.6.23 with the netfilter extension infrastructure. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net>
2008-08-18netfilter: ipt_addrtype: Fix matching of inverted destination address typeAnders Grafström
This patch fixes matching of inverted destination address type. Signed-off-by: Anders Grafström <grfstrm@users.sourceforge.net> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-18Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
2008-08-18dccp: Fix panic caused by too early termination of retransmission mechanismGerrit Renker
Thanks is due to Wei Yongjun for the detailed analysis and description of this bug at http://marc.info/?l=dccp&m=121739364909199&w=2 The problem is that invalid packets received by a client in state REQUEST cause the retransmission timer for the DCCP-Request to be reset. This includes freeing the Request-skb ( in dccp_rcv_request_sent_state_process() ). As a consequence, * the arrival of further packets cause a double-free, triggering a panic(), * the connection then may hang, since further retransmissions are blocked. This patch changes the order of statements so that the retransmission timer is reset, and the pending Request freed, only if a valid Response has arrived (or the number of sysctl-retries has been exhausted). Further changes: ---------------- To be on the safe side, replaced __kfree_skb with kfree_skb so that if due to unexpected circumstances the sk_send_head is NULL the WARN_ON is used instead. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-18pkt_sched: Don't hold qdisc lock over qdisc_destroy().David S. Miller
Based upon reports by Denys Fedoryshchenko, and feedback and help from Jarek Poplawski and Herbert Xu. We always either: 1) Never made an external reference to this qdisc. or 2) Did a dev_deactivate() which purged all asynchronous references. So do not lock the qdisc when we call qdisc_destroy(), it's illegal anyways as when we drop the lock this is free'd memory. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-18pkt_sched: Add lockdep annotation for qdisc locksJarek Poplawski
Qdisc locks are initialized in the same function, qdisc_alloc(), so lockdep can't distinguish tx qdisc lock from rx and reports "possible recursive locking detected" when both these locks are taken eg. while using act_mirred with ifb. This looks like a false positive. Anyway, after this patch these locks will be reported more exactly. Reported-by: Denys Fedoryshchenko <denys@visp.net.lb> Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-18pkt_sched: Never schedule non-root qdiscs.David S. Miller
Based upon initial discovery and patch by Jarek Poplawski. The qdisc watchdogs can be attached to any qdisc, not just the root, so make sure we schedule the correct one. CBQ has a similar bug. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-18removed unused #include <version.h>Huang Weiyi
The drivers below do not use LINUX_VERSION_CODE nor KERNEL_VERSION. drivers/net/wireless/ath5k/base.c drivers/net/wireless/b43/main.c drivers/net/wireless/ipw2100.c drivers/net/wireless/ipw2200.c drivers/net/wireless/iwlwifi/iwl-3945.c drivers/net/wireless/iwlwifi/iwl-4965.c drivers/net/wireless/iwlwifi/iwl-5000.c drivers/net/wireless/iwlwifi/iwl-agn.c drivers/net/wireless/iwlwifi/iwl-core.c drivers/net/wireless/iwlwifi/iwl-eeprom.c drivers/net/wireless/iwlwifi/iwl-hcmd.c drivers/net/wireless/iwlwifi/iwl-power.c drivers/net/wireless/iwlwifi/iwl3945-base.c This patch removes the said #include <version.h>. Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-08-18rt2x00: Fix txdone_entry_desc_flagsJochen Friedrich
txdone_entry_desc_flags is used with __set_bit and test_bit which bit-shift the values, so don't bit-shift the flags in the enum. Also make sure flags are initialized before being used. Signed-off-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-08-18b43: Fix for another Bluetooth Coexistence SPROM Programming error for BCM4306Larry Finger
In trying to help users on the Ubuntu Bugzilla, I discovered another BCM4306 with the Bluetooth Coexistence programming error in the SPROM. This patch is contingent on the one that added the Linksys device with subdevice code of 0x0014. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Stable <stable@kernel.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-08-18mac80211: remove kdoc references to IEEE80211_HW_HOST_GEN_BEACON_TEMPLATELuis R. Rodriguez
IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE was made unnecessary in the recent revamp on beacon configuration. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-08-18p54u: reset skb's data/tail pointer on requeueChristian Lamparter
(Only important for USB V1 Adaptors) If an incoming frame wasn't accepted by p54_rx function the skb will be reused for new frames... But, we must not forget to set the skb's data pointers into the same state in which it was initialized by p54u_init_urbs. Otherwise we either end up with 16 bytes less on every requeue, or if a new frame is worthy enough to be accepted, the data is in the wrong place (urb->transfer_buffer wasn't updated!) and mac80211 has a hard time to recognize it... Signed-off-by: Christian Lamparter <chunkeey@web.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-08-18p54: move p54_vdcf_init to the right place.Christian Lamparter
priv->tx_hdr_len is set by the driver _after_ it called p54_init_common. While this isn't much a problem for any PCI or ISL3887 cards/sticks, because they don't need any extra header and therefore tx_hdr_len is zero for them... Signed-off-by: Christian Lamparter <chunkeey@web.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-08-18iwlwifi: fix printk newlinesJiri Slaby
Add newlines at printk outputs to not break dmesg. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Zhu Yi <yi.zhu@intel.com> Cc: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-08-18rtl8187: Add USB ID for Netgear WG111V3matthieu Barthélemy
Add the USB ID for a Netgear WG111v3. Signed-off-by: matthieu Barthélemy <bonsouere@gmail.com> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-08-18b43: Fix for SPROM coding error in Linksys WMP54G (BCM4306/3)Larry Finger
The Linksys WMP54G (BCM4306/3) card in a PCI format has an SPROM coding error and needs the fix found for several other cards. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Stable <stable@kernel.org> [2.6.25.x, 2.6.26.x] Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-08-18mac80211: update new sta's rx timestampRon Rindjunsky
This patch fixes needless probe request caused by zero value in sta->last_rx inside ieee80211_associated flow Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-08-18ath5k: Don't fiddle with MSI on suspend/resume.Michael Karcher
Commit 256b152b005e319f985f50f2a910a75ba0def74f (ath5k: don't enable MSI, we cannot handle it yet) has removed msi support, but overlooked the suspend/resume code. This patch completes msi removal. I don't consider this patch copyrightable, and thus put it into the public domain. The result is of course a base.c file dual-licensed under 3-clause-BSD and GPL. Signed-off-by: Michael Karcher <kernel@mkarcher.dialup.fu-berlin.de> Acked-by: Nick Kossifidis <mickflemm@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-08-18ssb: allow compilation on systems without PCIHolger Schurig
Makes ssb work on system without a PCI bus. Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de> Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-08-18rfkill: protect suspended rfkill controllersHenrique de Moraes Holschuh
Guard rfkill controllers attached to a rfkill class against state changes after class suspend has been issued. Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-08-18p54: Fix regression due to "net: Delete NETDEVICES_MULTIQUEUE kconfig option"Christian Lamparter
Commit b19fa1f, entitled "net: Delete NETDEVICES_MULTIQUEUE kconfig option" breaks p54pci and p54usb. Additionally, the old logic always tx'ed cts frames (if enabled) with a short preamble when [rate > 3]. (i.e. with any 802.11g rate). Of course this isn't that bad, but it's still wrong! (This patch also clarifies the meanings of some of the fields in the tx header for the hardware. -- JWL) Signed-off-by: Christian Lamparter <chunkeey@web.de> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: <stable@kernel.org> [2.6.25.x, 2.6.26.x] Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-08-18ath9k: work around gcc ICEs (again)Adrian Bunk
(I missed the fact that the original post said to apply this patch twice... -- JWL) Original commit log message: This patch works around an internal compiler error (gcc bug #37014) in all gcc 4.2 compilers and the gcc 4.3 series up to at least 4.3.1 on at least powerpc and mips. Many thanks to Andrew Pinski for analyzing the gcc bug. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-08-18pkt_sched: Fix return value corruption in HTB and TBF.David S. Miller
Based upon a bug report by Josip Rodin. Packet schedulers should only return NET_XMIT_DROP iff the packet really was dropped. If the packet does reach the device after we return NET_XMIT_DROP then TCP can crash because it depends upon the enqueue path return values being accurate. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-17pkt_sched: Fix missed RCU unlock in dev_queue_xmit()David S. Miller
Noticed by Jarek Poplawski. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-17ipv6: Fix the return interface index when get it while no message is received.Yang Hongyang
When get receiving interface index while no message is received, the bounded device's index of the socket should be returned. RFC 3542: Issuing getsockopt() for the above options will return the sticky option value i.e., the value set with setsockopt(). If no sticky option value has been set getsockopt() will return the following values: - For the IPV6_PKTINFO option, it will return an in6_pktinfo structure with ipi6_addr being in6addr_any and ipi6_ifindex being zero. Signed-off-by: Yang Hongyang <yanghy@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-17sch_prio: Use NET_XMIT_SUCCESS instead of "0" constant.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-17sch_prio: Use return value from inner qdisc requeueJussi Kivilinna
Use return value from inner qdisc requeue when value returned isn't NET_XMIT_SUCCESS, instead of always returning NET_XMIT_DROP. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-17pkt_sched: No longer destroy qdiscs from RCU.David S. Miller
We can now kill them synchronously with all of the previous dev_deactivate() cures. This makes netdev destruction and shutdown saner as the qdiscs hold references to the device. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-17pkt_sched: Grab correct lock in notify_and_destroy().Jarek Poplawski
From: Jarek Poplawski <jarkao2@gmail.com> When we are destroying non-root qdiscs, we need to lock the root of the qdisc tree not the the qdisc itself. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-17pkt_sched: Simplify dev_deactivate() polling loop.David S. Miller
The condition under which the previous qdisc has no more references after we've attached &noop_qdisc is that both RUNNING and SCHED are both seen clear while holding the root lock. So just make specifically that check in the polling loop, instead of this overly complex "check without then check with lock held" sequence. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-17net: Change handling of the __QDISC_STATE_SCHED flag in net_tx_action().Jarek Poplawski
Change handling of the __QDISC_STATE_SCHED flag in net_tx_action() to enable proper control in dev_deactivate(). Now, if this flag is seen as unset under root_lock means a qdisc can't be netif_scheduled. Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-17pkt_sched: Add 'deactivated' state.David S. Miller
This new state lets dev_deactivate() mark a qdisc as having been deactivated. dev_queue_xmit() and ing_filter() check for this bit and do not try to process the qdisc if the bit is set. dev_deactivate() polls the qdisc after setting the bit, waiting for both __QDISC_STATE_RUNNING and __QDISC_STATE_SCHED to clear. This isn't perfect yet, but subsequent changesets will make it so. This part is just one piece of the puzzle. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-16Merge branch 'master' of ↵Simon Horman
git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
2008-08-15bnx2: Fix build with VLAN_8021Q disabled.David S. Miller
Reported by Randy Dunlap. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-15tun: fallback if skb_alloc() fails on big packetsRusty Russell
skb_alloc produces linear packets (using kmalloc()). That can fail, so should we fall back to making paged skbs. My original version of this patch always allocate paged skbs for big packets. But that made performance drop from 8.4 seconds to 8.8 seconds on 1G lguest->Host TCP xmit. So now we only do that as a fallback. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Max Krasnyansky <maxk@qualcomm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-15net: skb_copy_datagram_from_iovec()Rusty Russell
There's an skb_copy_datagram_iovec() to copy out of a paged skb, but nothing the other way around (because we don't do that). We want to allocate big skbs in tun.c, so let's add the function. It's a carbon copy of skb_copy_datagram_iovec() with enough changes to be annoying. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-15tun: TUNGETIFF interface to query name and flagsMark McLoughlin
Add a TUNGETIFF interface so that userspace can query a tun/tap descriptor for its name and flags. This is needed because it is common for one app to create a tap interface, exec another app and pass it the file descriptor for the interface. Without TUNGETIFF the spawned app has no way of detecting wheter the interface has e.g. IFF_VNET_HDR set. Signed-off-by: Mark McLoughlin <markmc@redhat.com> Acked-by: Max Krasnyansky <maxk@qualcomm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-15loopback: Drop obsolete ip_summed settingHerbert Xu
Now that the network stack can handle inbound packets with partial checksums, we should no longer clobber the ip_summed field in the loopback driver. This is because CHECKSUM_UNNECESSARY implies that the checksum field is actually valid which is not true for loopback packets since it's only partial (and thus complemented). This allows packets from lo to then be SNATed to an external source while still preserving the checksum's validity. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-15net: Preserve netfilter attributes in skb_gso_segment using __copy_skb_headerHerbert Xu
skb_gso_segment didn't preserve some attributes in the original skb such as the netfilter fields. This was harmless until they were used which is the case for packets going through lo. This patch makes it call __copy_skb_header which also picks up some other missing attributes. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-15loopback: Remove rest of LOOPBACK_TSO code.David S. Miller
It hasn't been enabled for a long time and the generic GSO engine is better documentation of what is expected of a device implementing TSO. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-15loopback: Enable TSOHerbert Xu
This patch enables TSO since the loopback device is naturally capable of handling packets of any size. This also means that we won't enable GSO on lo which is good until GSO is fixed to preserve netfilter state as netfilter treats loopback packets in a special way. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
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