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2006-06-17[NETFILTER]: amanda helper: convert to textsearch infrastructurePatrick McHardy2-49/+96
When a port number within a packet is replaced by a differently sized number only the packet is resized, but not the copy of the data. Following port numbers are rewritten based on their offsets within the copy, leading to packet corruption. Convert the amanda helper to the textsearch infrastructure to avoid the copy entirely. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[NETFILTER]: FTP helper: search optimizationPatrick McHardy2-68/+86
Instead of skipping search entries for the wrong direction simply index them by direction. Based on patch by Pablo Neira <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[NETFILTER]: SNMP helper: fix debug module param typePatrick McHardy1-1/+1
debug is the debug level, not a bool. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[NETFILTER]: ctnetlink: change table dumping not to require an unique IDPatrick McHardy2-16/+48
Instead of using the ID to find out where to continue dumping, take a reference to the last entry dumped and try to continue there. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[NETFILTER]: ctnetlink: fix NAT configurationPatrick McHardy3-63/+47
The current configuration only allows to configure one manip and overloads conntrack status flags with netlink semantic. Signed-off-by: Patrick Mchardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[NETFILTER]: conntrack: add fixed timeout flag in connection trackingEric Leblond3-0/+16
Add a flag in a connection status to have a non updated timeout. This permits to have connection that automatically die at a given time. Signed-off-by: Eric Leblond <eric@inl.fr> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[NETFILTER]: conntrack: add sysctl to disable checksummingPatrick McHardy12-8/+36
Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[NETFILTER]: conntrack: don't call helpers for related ICMP messagesPatrick McHardy3-3/+3
None of the existing helpers expects to get called for related ICMP packets and some even drop them if they can't parse them. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[NETFILTER]: recent match: replace by rewritten versionPatrick McHardy1-891/+377
Replace the unmaintainable ipt_recent match by a rewritten version that should be fully compatible. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[NETFILTER]: x_tables: add statistic matchPatrick McHardy4-0/+151
Add statistic match which is a combination of the nth and random matches. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[NETFILTER]: x_tables: add quota matchPatrick McHardy4-0/+123
Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[NETFILTER]: x_tables: add SCTP/DCCP support where missingPatrick McHardy3-65/+26
Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[NETFILTER]: x_tables: remove some unnecessary castsPatrick McHardy6-9/+6
Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[IPSEC] xfrm: Use IPPROTO_MAX instead of 256Herbert Xu1-1/+1
The size of the type_map array (256) comes from the number of IP protocols, i.e., IPPROTO_MAX. This patch is based on a suggestion from Ingo Oeser. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[IPSEC] proto: Move transport mode input path into xfrm_mode_transportHerbert Xu8-83/+59
Now that we have xfrm_mode objects we can move the transport mode specific input decapsulation code into xfrm_mode_transport. This removes duplicate code as well as unnecessary header movement in case of tunnel mode SAs since we will discard the original IP header immediately. This also fixes a minor bug for transport-mode ESP where the IP payload length is set to the correct value minus the header length (with extension headers for IPv6). Of course the other neat thing is that we no longer have to allocate temporary buffers to hold the IP headers for ESP and IPComp. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[IPSEC] xfrm: Abstract out encapsulation modesHerbert Xu17-170/+553
This patch adds the structure xfrm_mode. It is meant to represent the operations carried out by transport/tunnel modes. By doing this we allow additional encapsulation modes to be added without clogging up the xfrm_input/xfrm_output paths. Candidate modes include 4-to-6 tunnel mode, 6-to-4 tunnel mode, and BEET modes. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[IPSEC] xfrm: Undo afinfo lock proliferationHerbert Xu7-52/+38
The number of locks used to manage afinfo structures can easily be reduced down to one each for policy and state respectively. This is based on the observation that the write locks are only held by module insertion/removal which are very rare events so there is no need to further differentiate between the insertion of modules like ipv6 versus esp6. The removal of the read locks in xfrm4_policy.c/xfrm6_policy.c might look suspicious at first. However, after you realise that nobody ever takes the corresponding write lock you'll feel better :) As far as I can gather it's an attempt to guard against the removal of the corresponding modules. Since neither module can be unloaded at all we can leave it to whoever fixes up IPv6 unloading :) Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[TG3]: update version and reldateMichael Chan1-2/+2
Update version to 3.60. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[TG3]: Add recovery logic when MMIOs are re-orderedMichael Chan2-9/+49
Add recovery logic when we suspect that the system is re-ordering MMIOs. Re-ordered MMIOs to the send mailbox can cause bogus tx completions and hit BUG_ON() in the tx completion path. tg3 already has logic to handle re-ordered MMIOs by flushing the MMIOs that must be strictly ordered (such as the send mailbox). Determining when to enable the flush is currently a manual process of adding known chipsets to a list. The new code replaces the BUG_ON() in the tx completion path with the call to tg3_tx_recover(). It will set the TG3_FLAG_MBOX_WRITE_REORDER flag and reset the chip later in the workqueue to recover and start flushing MMIOs to the mailbox. A message to report the problem will be printed. We will then decide whether or not to add the host bridge to the list of chipsets that do re-ordering. We may add some additional code later to print the host bridge's ID so that the user can report it more easily. The assumption that re-ordering can only happen on x86 systems is also removed. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[TG3]: Add 5786 PCI IDMichael Chan2-0/+3
Add PCI ID for BCM5786 which is a variant of 5787. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[IRDA]: ali-ircc: using device model power managementSamuel Ortiz1-55/+51
This patch gets rid of the old power management code and now uses the device model for the ali-ircc driver. Signed-off-by: Samuel Ortiz <samuel@sortiz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[IRDA]: stir4200, switching to the kthread APIChristoph Hellwig1-24/+14
stir4200 uses a kernel thread for its TX/RX operations, and it is now converted to the kernel kthread API. Tested on an STIR4200 based dongle. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Samuel Ortiz <samuel@sortiz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[IRDA]: Initial support for MCS7780 based donglesSamuel Ortiz4-0/+1192
The MosChip MCS7780 chipset is an IrDA USB bridge that doesn't conform with the IrDA-USB standard and thus needs its separate driver. Tested on an actual MCS7780 based dongle. Original implementation by Brian Pugh <bpugh@cs.pdx.edu> Signed-off-by: Samuel Ortiz <samuel@sortiz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[TCP]: tcp_rcv_rtt_measure_ts() call in pure-ACK path is superfluousDavid S. Miller1-2/+0
We only want to take receive RTT mesaurements for data bearing frames, here in the header prediction fast path for a pure-sender, we know that we have a pure-ACK and thus the checks in tcp_rcv_rtt_mesaure_ts() will not pass. Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[BRIDGE]: netlink interface for link managementStephen Hemminger6-2/+214
Add basic netlink support to the Ethernet bridge. Including: * dump interfaces in bridges * monitor link status changes * change state of bridge port For some demo programs see: http://developer.osdl.org/shemminger/prototypes/brnl.tar.gz These are to allow building a daemon that does alternative implementations of Spanning Tree Protocol. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[BRIDGE]: fix module startup error handlingStephen Hemminger2-9/+22
Return address in use, if some other kernel code has the SAP. Propogate out error codes from netfilter registration and unwind. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[BRIDGE]: optimize conditional in forward pathStephen Hemminger1-8/+4
Small optimizations of bridge forwarding path. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[LLC]: add multicast support for datagramsStephen Hemminger2-8/+55
Allow mulitcast reception of datagrams (similar to UDP). All sockets bound to the same SAP receive a clone. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[LLC]: allow applications to get copy of kernel datagramsStephen Hemminger1-1/+3
It is legal for an application to bind to a SAP that is also being used by the kernel. This happens if the bridge module binds to the STP SAP, and the user wants to have a daemon for STP as well. It is possible to have kernel doing STP on one bridge, but let application do RSTP on another bridge. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[LLC]: use rcu_dereference on receive handlerStephen Hemminger1-2/+5
The receive hander pointer might be modified during network changes of protocol. So use rcu_dereference (only matters on alpha). Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[LLC]: allow datagram recvmsgStephen Hemminger1-2/+2
LLC receive is broken for SOCK_DGRAM. If an application does recv() on a datagram socket and there is no data present, don't return "not connected". Instead, just do normal datagram semantics. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[LLC]: use more efficient ether address routinesStephen Hemminger2-9/+6
Use more cache efficient Ethernet address manipulation functions in etherdevice.h. Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
2006-06-17[I/OAT]: Do not use for_each_cpu().Andrew Morton1-3/+3
for_each_cpu() is going away (and is gone in -mm). Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Chris Leech <christopher.leech@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[I/OAT]: TCP recv offload to I/OATChris Leech4-22/+185
Locks down user pages and sets up for DMA in tcp_recvmsg, then calls dma_async_try_early_copy in tcp_v4_do_rcv Signed-off-by: Chris Leech <christopher.leech@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[I/OAT]: Add a sysctl for tuning the I/OAT offloaded I/O thresholdChris Leech4-0/+16
Any socket recv of less than this ammount will not be offloaded Signed-off-by: Chris Leech <christopher.leech@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[I/OAT]: Make sk_eat_skb I/OAT aware.Chris Leech4-8/+19
Add an extra argument to sk_eat_skb, and make it move early copied packets to the async_wait_queue instead of freeing them. Signed-off-by: Chris Leech <christopher.leech@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[I/OAT]: Rename cleanup_rbuf to tcp_cleanup_rbuf and make non-staticChris Leech2-5/+7
Needed to be able to call tcp_cleanup_rbuf in tcp_input.c for I/OAT Signed-off-by: Chris Leech <christopher.leech@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[I/OAT]: Structure changes for TCP recv offload to I/OATChris Leech5-0/+27
Adds an async_wait_queue and some additional fields to tcp_sock, and a dma_cookie_t to sk_buff. Signed-off-by: Chris Leech <christopher.leech@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[I/OAT]: Utility functions for offloading sk_buff to iovec copiesChris Leech6-1/+459
Provides for pinning user space pages in memory, copying to iovecs, and copying from sk_buffs including fragmented and chained sk_buffs. Signed-off-by: Chris Leech <christopher.leech@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[I/OAT]: Setup the networking subsystem as a DMA clientChris Leech4-0/+158
Attempts to allocate per-CPU DMA channels Signed-off-by: Chris Leech <christopher.leech@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[I/OAT]: Move PCI_DEVICE_ID_INTEL_IOAT to linux/pci_ids.hDavid S. Miller2-2/+2
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[I/OAT]: ioatdma.c needs linux/dma-mapping.hDavid S. Miller1-0/+1
For DMA_*_MASK defines. Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[I/OAT]: Driver for the Intel(R) I/OAT DMA engineChris Leech7-0/+1271
Adds a new ioatdma driver Signed-off-by: Chris Leech <christopher.leech@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17[I/OAT]: DMA memcpy subsystemChris Leech6-0/+762
Provides an API for offloading memory copies to DMA devices Signed-off-by: Chris Leech <christopher.leech@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-06-17Linux v2.6.17Linus Torvalds1-1/+1
Being named "Crazed Snow-Weasel" instills a lot of confidence in this release, so I'm sure this will be one of the better ones.
2006-06-17[PATCH] powerpc: enable CPU_FTR_CI_LARGE_PAGE for cellArnd Bergmann1-1/+1
Reflect the fact that the Cell Broadband Engine supports 64k pages by adding the bit to the CPU features. Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-17[PATCH] powerpc: Fix 64k pages on non-partitioned machinesArnd Bergmann1-2/+2
The page size encoding passed to tlbie is incorrect for new-style large pages. This fixes it. This doesn't affect anything on older machines because mmu_psize_defs[psize].penc (the page size encoding) is 0 for 4k and 16M pages (the two are distinguished by a separate "is a large page" bit). Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-17[PATCH] arm_timer: remove a racy and obsolete PF_EXITING checkOleg Nesterov1-3/+0
arm_timer() checks PF_EXITING to prevent BUG_ON(->exit_state) in run_posix_cpu_timers(). However, for some reason it does so only for CPUCLOCK_PERTHREAD case (which is imho wrong). Also, this check is not reliable, PF_EXITING could be set on another cpu without any locks/barriers just after the check, so it can't prevent from attaching the timer to the exiting task. The previous patch makes this check unneeded. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-17[PATCH] run_posix_cpu_timers: remove a bogus BUG_ON()Oleg Nesterov2-26/+18
do_exit() clears ->it_##clock##_expires, but nothing prevents another cpu to attach the timer to exiting process after that. arm_timer() tries to protect against this race, but the check is racy. After exit_notify() does 'write_unlock_irq(&tasklist_lock)' and before do_exit() calls 'schedule() local timer interrupt can find tsk->exit_state != 0. If that state was EXIT_DEAD (or another cpu does sys_wait4) interrupted task has ->signal == NULL. At this moment exiting task has no pending cpu timers, they were cleanuped in __exit_signal()->posix_cpu_timers_exit{,_group}(), so we can just return from irq. John Stultz recently confirmed this bug, see http://marc.theaimsgroup.com/?l=linux-kernel&m=115015841413687 Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-17[PATCH] check_process_timers: fix possible lockupOleg Nesterov1-5/+4
If the local timer interrupt happens just after do_exit() sets PF_EXITING (and before it clears ->it_xxx_expires) run_posix_cpu_timers() will call check_process_timers() with tasklist_lock + ->siglock held and check_process_timers: t = tsk; do { .... do { t = next_thread(t); } while (unlikely(t->flags & PF_EXITING)); } while (t != tsk); the outer loop will never stop. Actually, the window is bigger. Another process can attach the timer after ->it_xxx_expires was cleared (see the next commit) and the 'if (PF_EXITING)' check in arm_timer() is racy (see the one after that). Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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