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2006-03-22[PATCH] mm: de-skew page refcountingNick Piggin
atomic_add_unless (atomic_inc_not_zero) no longer requires an offset refcount to function correctly. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-22[PATCH] mm: simplify vmscan vs release refcountingNick Piggin
The VM has an interesting race where a page refcount can drop to zero, but it is still on the LRU lists for a short time. This was solved by testing a 0->1 refcount transition when picking up pages from the LRU, and dropping the refcount in that case. Instead, use atomic_add_unless to ensure we never pick up a 0 refcount page from the LRU, thus a 0 refcount page will never have its refcount elevated until it is allocated again. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-22[PATCH] mm: slab less atomicsNick Piggin
Atomic operation removal from slab Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-22[PATCH] mm: page_alloc less atomicsNick Piggin
More atomic operation removal from page allocator Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-22[PATCH] mm: less atomic opsNick Piggin
In the page release paths, we can be sure that nobody will mess with our page->flags because the refcount has dropped to 0. So no need for atomic operations here. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-22[PATCH] mm: PageActive no testsetNick Piggin
PG_active is protected by zone->lru_lock, it does not need TestSet/TestClear operations. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-22[PATCH] mm: PageLRU no testsetNick Piggin
PG_lru is protected by zone->lru_lock. It does not need TestSet/TestClear operations. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-22[PATCH] rtc.h broke strace(1) buildsJoe Korty
Git patch 52dfa9a64cfb3dd01fa1ee1150d589481e54e28e [PATCH] move rtc_interrupt() prototype to rtc.h broke strace(1) builds. The below moves the kernel-only additions lower, under the already provided #ifdef __KERNEL__ statement. Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-21Merge master.kernel.org:/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/herbert/crypto-2.6: [CRYPTO] aes: Fixed array boundary violation [CRYPTO] tcrypt: Fix key alignment [CRYPTO] all: Add missing cra_alignmask [CRYPTO] all: Use kzalloc where possible [CRYPTO] api: Align tfm context as wide as possible [CRYPTO] twofish: Use rol32/ror32 where appropriate
2006-03-21Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (235 commits) [NETFILTER]: Add H.323 conntrack/NAT helper [TG3]: Don't mark tg3_test_registers() as returning const. [IPV6]: Cleanups for net/ipv6/addrconf.c (kzalloc, early exit) v2 [IPV6]: Nearly complete kzalloc cleanup for net/ipv6 [IPV6]: Cleanup of net/ipv6/reassambly.c [BRIDGE]: Remove duplicate const from is_link_local() argument type. [DECNET]: net/decnet/dn_route.c: fix inconsequent NULL checking [TG3]: make drivers/net/tg3.c:tg3_request_irq() static [BRIDGE]: use LLC to send STP [LLC]: llc_mac_hdr_init const arguments [BRIDGE]: allow show/store of group multicast address [BRIDGE]: use llc for receiving STP packets [BRIDGE]: stp timer to jiffies cleanup [BRIDGE]: forwarding remove unneeded preempt and bh diasables [BRIDGE]: netfilter inline cleanup [BRIDGE]: netfilter VLAN macro cleanup [BRIDGE]: netfilter dont use __constant_htons [BRIDGE]: netfilter whitespace [BRIDGE]: optimize frame pass up [BRIDGE]: use kzalloc ...
2006-03-21Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6: (81 commits) [PATCH] USB: omninet: fix up debugging comments [PATCH] USB serial: add navman driver [PATCH] USB: Fix irda-usb use after use [PATCH] USB: rtl8150 small fix [PATCH] USB: ftdi_sio: add Icom ID1 USB product and vendor ids [PATCH] USB: cp2101: add new device IDs [PATCH] USB: fix check_ctrlrecip to allow control transfers in state ADDRESS [PATCH] USB: vicam.c: fix a NULL pointer dereference [PATCH] USB: ZC0301 driver bugfix [PATCH] USB: add support for Creativelabs Silvercrest USB keyboard [PATCH] USB: storage: new unusual_devs.h entry: Mitsumi 7in1 Card Reader [PATCH] USB: storage: unusual_devs.h entry 0420:0001 [PATCH] USB: storage: another unusual_devs.h entry [PATCH] USB: storage: sandisk unusual_devices entry [PATCH] USB: fix initdata issue in isp116x-hcd [PATCH] USB: usbcore: usb_set_configuration oops (NULL ptr dereference) [PATCH] USB: usbcore: Don't assume a USB configuration includes any interfaces [PATCH] USB: ub 03 drop stall clearing [PATCH] USB: ub 02 remove diag [PATCH] USB: ub 01 remove first_open ...
2006-03-21Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6: (23 commits) [PATCH] sysfs: fix a kobject leak in sysfs_add_link on the error path [PATCH] sysfs: don't export dir symbols [PATCH] get_cpu_sysdev() signedness fix [PATCH] kobject_add_dir [PATCH] debugfs: Add debugfs_create_blob() helper for exporting binary data [PATCH] sysfs: fix problem with duplicate sysfs directories and files [PATCH] Kobject: kobject.h: fix a typo [PATCH] Kobject: provide better warning messages when people do stupid things [PATCH] Driver core: add macros notice(), dev_notice() [PATCH] firmware: fix BUG: in fw_realloc_buffer [PATCH] sysfs: kzalloc conversion [PATCH] fix module sysfs files reference counting [PATCH] add EXPORT_SYMBOL_GPL_FUTURE() to USB subsystem [PATCH] add EXPORT_SYMBOL_GPL_FUTURE() to RCU subsystem [PATCH] add EXPORT_SYMBOL_GPL_FUTURE() [PATCH] Clean up module.c symbol searching logic [PATCH] kobj_map semaphore to mutex conversion [PATCH] kref: avoid an atomic operation in kref_put() [PATCH] handle errors returned by platform_get_irq*() [PATCH] driver core: platform_get_irq*(): return -ENXIO on error ...
2006-03-21Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
* master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] Fix cosmetic typo in asm/irq.h [ARM] 3367/1: CLCD mode no longer supported on the RealView boards [ARM] 3366/1: Allow the 16bpp mode configuration in the CLCD control register
2006-03-21Merge branch 'upstream-linus' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: (112 commits) [libata] sata_mv: fix irq port status usage [PATCH] libata: move IDENTIFY info printing from ata_dev_read_id() to ata_dev_configure() [PATCH] libata: use local *id instead of dev->id in ata_dev_configure() [PATCH] libata: check Word 88 validity in ata_id_xfer_mask() [PATCH] libata: fix class handling in ata_bus_probe() [PATCH] ahci: enable prefetching for PACKET commands libata: turn on ATAPI by default [PATCH] sata_sil24: lengthen softreset timeout [PATCH] sata_sil24: exit early from softreset if SStatus reports no device [PATCH] libata: fix missing classes[] initialization in ata_bus_probe() [PATCH] libata: kill unused xfer_mode functions [PATCH] libata: reimplement ata_set_mode() using xfer_mask helpers [PATCH] libata: use xfer_mask helpers in ata_dev_set_mode() [PATCH] libata: use ata_id_xfermask() in ata_dev_configure() [PATCH] libata: add xfer_mask handling functions [PATCH] libata: improve xfer mask constants and update ata_mode_string() [PATCH] libata: rename ATA_FLAG_FLUSH_PIO_TASK to ATA_FLAG_FLUSH_PORT_TASK [PATCH] libata: kill unused pio_task and packet_task [PATCH] libata: convert pio_task and packet_task to port_task [PATCH] libata: implement port_task ...
2006-03-21Merge kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb.git with fixupsLinus Torvalds
This merges the DVB tree, but fixes up the history that had gotten screwed up by a broken commit. The history is fixed up by re-doing the commit properly (taking the resolve from the final result of the original), and then cherry-picking the commits that followed the broken merge. * dvb: (190 commits) V4L/DVB (3545): Fixed no_overlay option and quirks on saa7134 driver V4L/DVB (3543): Fix Makefile to adapt to bt8xx/ conversion V4L/DVB (3538): Bt8xx documentation update V4L/DVB (3537a): Whitespace cleanup V4L/DVB (3533): Add WSS (wide screen signalling) module parameters V4L/DVB (3532): Moved duplicated code of ALPS BSRU6 tuner to a standalone file. V4L/DVB (3530): Kconfig: remove VIDEO_AUDIO_DECODER V4L/DVB (3529): Kconfig: add menu items for cs53l32a and wm8775 A/D converters V4L/DVB (3528): Kconfig: fix ATSC frontend menu item names by manufacturer V4L/DVB (3527): VIDEO_CPIA2 must depend on USB V4L/DVB (3525): Kconfig: remove VIDEO_DECODER V4L/DVB (3524): Kconfig: add menu items for saa7115 and saa7127 V4L/DVB (3494): Kconfig: select VIDEO_MSP3400 to build msp3400.ko V4L/DVB (3522): Fixed a trouble with other PAL standards V4L/DVB (3521): Avoid warnings at video-buf.c V4L/DVB (3514): SAA7113 doesn't have auto std chroma detection mode V4L/DVB (3513): Remove saa711x driver V4L/DVB (3509): Make a needlessly global function static. V4L/DVB (3506): Cinergy T2 dmx cleanup on disconnect V4L/DVB (3504): Medion 7134: Autodetect second bridge chip ... Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-21Merge branch 'origin'Linus Torvalds
Conflicts: Documentation/video4linux/CARDLIST.cx88 drivers/media/video/cx88/Kconfig drivers/media/video/em28xx/em28xx-video.c drivers/media/video/saa7134/saa7134-dvb.c Resolved as in the original merge by Mauro Carvalho Chehab
2006-03-21[CRYPTO] api: Align tfm context as wide as possibleHerbert Xu
Since tfm contexts can contain arbitrary types we should provide at least natural alignment (__attribute__ ((__aligned__))) for them. In particular, this is needed on the Xscale which is a 32-bit architecture with a u64 type that requires 64-bit alignment. This problem was reported by Ronen Shitrit. The crypto_tfm structure's size was 44 bytes on 32-bit architectures and 80 bytes on 64-bit architectures. So adding this requirement only means that we have to add an extra 4 bytes on 32-bit architectures. On i386 the natural alignment is 16 bytes which also benefits the VIA Padlock as it no longer has to manually align its context structure to 128 bits. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2006-03-20[NETFILTER]: Add H.323 conntrack/NAT helperJing Min Zhao
Signed-off-by: Jing Min Zhao <zhaojignmin@hotmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[BRIDGE]: netfilter inline cleanupStephen Hemminger
Move nf_bridge_alloc from header file to the one place it is used and optimize it. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[DCCP] minisock: Rename struct dccp_options to struct dccp_minisockArnaldo Carvalho de Melo
This will later be included in struct dccp_request_sock so that we can have per connection feature negotiation state while in the 3way handshake, when we clone the DCCP_ROLE_LISTEN socket (in dccp_create_openreq_child) we'll just copy this state from dreq_minisock to dccps_minisock. Also the feature negotiation and option parsing code will mostly touch dccps_minisock, which will simplify some stuff. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NET]: {get|set}sockopt compatibility layerDmitry Mishin
This patch extends {get|set}sockopt compatibility layer in order to move protocol specific parts to their place and avoid huge universal net/compat.c file in the future. Signed-off-by: Dmitry Mishin <dim@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NET]: Replace skb_pull/skb_postpull_rcsum with skb_pull_rcsumHerbert Xu
We're now starting to have quite a number of places that do skb_pull followed immediately by an skb_postpull_rcsum. We can merge these two operations into one function with skb_pull_rcsum. This makes sense since most pull operations on receive skb's need to update the checksum. I've decided to make this out-of-line since it is fairly big and the fast path where hardware checksums are enabled need to call csum_partial anyway. Since this is a brand new function we get to add an extra check on the len argument. As it is most callers of skb_pull ignore its return value which essentially means that there is no check on the len argument. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[DECnet]: Endian annotation and fixes for DECnet.Steven Whitehouse
The typedef for dn_address has been removed in favour of using __le16 or __u16 directly as appropriate. All the DECnet header files are updated accordingly. The byte ordering of dn_eth2dn() and dn_dn2eth() are both changed since just about all their callers wanted network order rather than host order, so the conversion is now done in the functions themselves. Several missed endianess conversions have been picked up during the conversion process. The nh_gw field in struct dn_fib_info has been changed from a 32 bit field to 16 bits as it ought to be. One or two cases of using htons rather than dn_htons in the routing code have been found and fixed. There are still a few warnings to fix, but this patch deals with the important cases. Signed-off-by: Steven Whitehouse <steve@chygwyn.com> Signed-off-by: Patrick Caulfield <patrick@tykepenguin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[SECURITY]: TCP/UDP getpeersecCatherine Zhang
This patch implements an application of the LSM-IPSec networking controls whereby an application can determine the label of the security association its TCP or UDP sockets are currently connected to via getsockopt and the auxiliary data mechanism of recvmsg. Patch purpose: This patch enables a security-aware application to retrieve the security context of an IPSec security association a particular TCP or UDP socket is using. The application can then use this security context to determine the security context for processing on behalf of the peer at the other end of this connection. In the case of UDP, the security context is for each individual packet. An example application is the inetd daemon, which could be modified to start daemons running at security contexts dependent on the remote client. Patch design approach: - Design for TCP The patch enables the SELinux LSM to set the peer security context for a socket based on the security context of the IPSec security association. The application may retrieve this context using getsockopt. When called, the kernel determines if the socket is a connected (TCP_ESTABLISHED) TCP socket and, if so, uses the dst_entry cache on the socket to retrieve the security associations. If a security association has a security context, the context string is returned, as for UNIX domain sockets. - Design for UDP Unlike TCP, UDP is connectionless. This requires a somewhat different API to retrieve the peer security context. With TCP, the peer security context stays the same throughout the connection, thus it can be retrieved at any time between when the connection is established and when it is torn down. With UDP, each read/write can have different peer and thus the security context might change every time. As a result the security context retrieval must be done TOGETHER with the packet retrieval. The solution is to build upon the existing Unix domain socket API for retrieving user credentials. Linux offers the API for obtaining user credentials via ancillary messages (i.e., out of band/control messages that are bundled together with a normal message). Patch implementation details: - Implementation for TCP The security context can be retrieved by applications using getsockopt with the existing SO_PEERSEC flag. As an example (ignoring error checking): getsockopt(sockfd, SOL_SOCKET, SO_PEERSEC, optbuf, &optlen); printf("Socket peer context is: %s\n", optbuf); The SELinux function, selinux_socket_getpeersec, is extended to check for labeled security associations for connected (TCP_ESTABLISHED == sk->sk_state) TCP sockets only. If so, the socket has a dst_cache of struct dst_entry values that may refer to security associations. If these have security associations with security contexts, the security context is returned. getsockopt returns a buffer that contains a security context string or the buffer is unmodified. - Implementation for UDP To retrieve the security context, the application first indicates to the kernel such desire by setting the IP_PASSSEC option via getsockopt. Then the application retrieves the security context using the auxiliary data mechanism. An example server application for UDP should look like this: toggle = 1; toggle_len = sizeof(toggle); setsockopt(sockfd, SOL_IP, IP_PASSSEC, &toggle, &toggle_len); recvmsg(sockfd, &msg_hdr, 0); if (msg_hdr.msg_controllen > sizeof(struct cmsghdr)) { cmsg_hdr = CMSG_FIRSTHDR(&msg_hdr); if (cmsg_hdr->cmsg_len <= CMSG_LEN(sizeof(scontext)) && cmsg_hdr->cmsg_level == SOL_IP && cmsg_hdr->cmsg_type == SCM_SECURITY) { memcpy(&scontext, CMSG_DATA(cmsg_hdr), sizeof(scontext)); } } ip_setsockopt is enhanced with a new socket option IP_PASSSEC to allow a server socket to receive security context of the peer. A new ancillary message type SCM_SECURITY. When the packet is received we get the security context from the sec_path pointer which is contained in the sk_buff, and copy it to the ancillary message space. An additional LSM hook, selinux_socket_getpeersec_udp, is defined to retrieve the security context from the SELinux space. The existing function, selinux_socket_getpeersec does not suit our purpose, because the security context is copied directly to user space, rather than to kernel space. Testing: We have tested the patch by setting up TCP and UDP connections between applications on two machines using the IPSec policies that result in labeled security associations being built. For TCP, we can then extract the peer security context using getsockopt on either end. For UDP, the receiving end can retrieve the security context using the auxiliary data mechanism of recvmsg. Signed-off-by: Catherine Zhang <cxzhang@watson.ibm.com> Acked-by: James Morris <jmorris@namei.org> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[TCP]: sysctl to allow TCP window > 32767 sans wscaleRick Jones
Back in the dark ages, we had to be conservative and only allow 15-bit window fields if the window scale option was not negotiated. Some ancient stacks used a signed 16-bit quantity for the window field of the TCP header and would get confused. Those days are long gone, so we can use the full 16-bits by default now. There is a sysctl added so that we can still interact with such old stacks Signed-off-by: Rick Jones <rick.jones2@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPV4] ARP: Alloc acceptance of unsolicited ARP via netdevice sysctl.Neil Horman
Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NET]: sem2mutex part 2Ingo Molnar
Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NET]: dev_put/dev_hold cleanupStephen Hemminger
Get rid of the old __dev_put macro that is just a hold over from pre 2.6 kernel. And turn dev_hold into an inline instead of a macro. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[TG3]: Add 5787 and 5754 basic supportMichael Chan
Add basic support for 2 new chips 5787 and 5754. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NET] rtnetlink: Add RTPROT entry for Netsukuku.Alpt
The Netsukuku daemon is using the same number to mark its routes, you can see it here: http://hinezumilabs.org/cgi-bin/viewcvs.cgi/netsukuku/src/krnl_route.h?rev=HEAD&content-type=text/vnd.viewcvs-markup Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NET]: Convert RTNL to mutex.Stephen Hemminger
This patch turns the RTNL from a semaphore to a new 2.6.16 mutex and gets rid of some of the leftover legacy. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IRDA]: TOIM3232 dongle supportDavid Basden
Here goes a patch for supporting TOIM3232 based serial IrDA dongles. The code is based on the tekram dongle code. It's been tested with a TOIM3232 based IRWave 320S dongle. It may work for TOIM4232 dongles, although it's not been tested. Signed-off-by: David Basden <davidb-irda@rcpt.to> Signed-off-by: Samuel Ortiz <samuel.ortiz@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[TCP] mtu probing: move tcp-specific data out of inet_connection_sockJohn Heffner
This moves some TCP-specific MTU probing state out of inet_connection_sock back to tcp_sock. Signed-off-by: John Heffner <jheffner@psc.edu> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NET]: Uninline kfree_skb and allow NULL argumentJörn Engel
o Uninline kfree_skb, which saves some 15k of object code on my notebook. o Allow kfree_skb to be called with a NULL argument. Subsequent patches can remove conditional from drivers and further reduce source and object size. Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[XFRM]: Rearrange struct xfrm_aevent_id for better compatibility.Jamal Hadi Salim
struct xfrm_aevent_id needs to be 32-bit + 64-bit align friendly. Based upon suggestions from Yoshifuji. Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[DCCP] feat: Introduce sysctls for the default featuresArnaldo Carvalho de Melo
[root@qemu ~]# for a in /proc/sys/net/dccp/default/* ; do echo $a ; cat $a ; done /proc/sys/net/dccp/default/ack_ratio 2 /proc/sys/net/dccp/default/rx_ccid 3 /proc/sys/net/dccp/default/send_ackvec 1 /proc/sys/net/dccp/default/send_ndp 1 /proc/sys/net/dccp/default/seq_window 100 /proc/sys/net/dccp/default/tx_ccid 3 [root@qemu ~]# So if wanting to test ccid3 as the tx CCID one can just do: [root@qemu ~]# echo 3 > /proc/sys/net/dccp/default/tx_ccid [root@qemu ~]# echo 2 > /proc/sys/net/dccp/default/rx_ccid [root@qemu ~]# cat /proc/sys/net/dccp/default/[tr]x_ccid 2 3 [root@qemu ~]# Of course we also need the setsockopt for each app to tell its preferences, but for testing or defining something other than CCID2 as the default for apps that don't explicitely set their preference the sysctl interface is handy. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[DCCP]: Make CCID2 be the defaultArnaldo Carvalho de Melo
As per the draft. This fixes the build when netfilter dccp components are built and dccp isn't. Thanks to Reuben Farrelly for reporting this. The following changesets will introduce /proc/sys/net/dccp/defaults/ to give more flexibility to DCCP developers and testers while apps doesn't use setsockopt to specify the desired CCID, etc. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[DCCP]: sparse endianness annotationsAndrea Bittau
This also fixes the layout of dccp_hdr short sequence numbers, problem was not fatal now as we only support long (48 bits) sequence numbers. Signed-off-by: Andrea Bittau <a.bittau@cs.ucl.ac.uk> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NETFILTER]: Fix skb->nf_bridge lifetime issuesPatrick McHardy
The bridge netfilter code simulates the NF_IP_PRE_ROUTING hook and skips the real hook by registering with high priority and returning NF_STOP if skb->nf_bridge is present and the BRNF_NF_BRIDGE_PREROUTING flag is not set. The flag is only set during the simulated hook. Because skb->nf_bridge is only freed when the packet is destroyed, the packet will not only skip the first invocation of NF_IP_PRE_ROUTING, but in the case of tunnel devices on top of the bridge also all further ones. Forwarded packets from a bridge encapsulated by a tunnel device and sent as locally outgoing packet will also still have the incorrect bridge information from the input path attached. We already have nf_reset calls on all RX/TX paths of tunnel devices, so simply reset the nf_bridge field there too. As an added bonus, the bridge information for locally delivered packets is now also freed when the packet is queued to a socket. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[DCCP] CCID: Improve CCID infrastructureArnaldo Carvalho de Melo
1. No need for ->ccid_init nor ->ccid_exit, this is what module_{init,exit} does and anynways neither ccid2 nor ccid3 were using it. 2. Rename struct ccid to struct ccid_operations and introduce struct ccid with a pointer to ccid_operations and rigth after it the rx or tx private state. 3. Remove the pointer to the state of the half connections from struct dccp_sock, now its derived thru ccid_priv() from the ccid pointer. Now we also can implement the setsockopt for changing the CCID easily as no ccid init routines can affect struct dccp_sock in any way that prevents other CCIDs from working if a CCID switch operation is asked by apps. Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[IPSEC]: Sync series - core changesJamal Hadi Salim
This patch provides the core functionality needed for sync events for ipsec. Derived work of Krisztian KOVACS <hidden@balabit.hu> Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NETLINK]: Add netlink_has_listeners for avoiding unneccessary event message ↵Patrick McHardy
generation Keep a bitmask of multicast groups with subscribed listeners to let netlink users check for listeners before generating multicast messages. Queries don't perform any locking, which may result in false positives, it is guaranteed however that any new subscriptions are visible before bind() or setsockopt() return. Signed-off-by: Patrick McHardy <kaber@trash.net> ACKed-by: Jamal Hadi Salim<hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NETFILTER]: ctnetlink: avoid unneccessary event message generationPatrick McHardy
Avoid unneccessary event message generation by checking for netlink listeners before building a message. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NETFILTER]: x_tables: replace IPv4/IPv6 policy match by address family ↵Patrick McHardy
independant version Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NETFILTER]: x_tables: pass registered match/target data to match/target ↵Patrick McHardy
functions This allows to make decisions based on the revision (and address family with a follow-up patch) at runtime. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[NETFILTER]: xt_tables: add centralized error checkingPatrick McHardy
Introduce new functions for common match/target checks (private data size, valid hooks, valid tables and valid protocols) to get more consistent error reporting and to avoid each module duplicating them. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[DCCP]: Set the default CCID according to kernel config selectionIan McDonald
Now CCID2 is the default, as stated in the RFC drafts, but we allow a config where just CCID3 is built, where CCID3 becomes the default. Signed-off-by: Ian McDonald <imcdnzl@gmail.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
2006-03-20[TCP]: MTU probingJohn Heffner
Implementation of packetization layer path mtu discovery for TCP, based on the internet-draft currently found at <http://www.ietf.org/internet-drafts/draft-ietf-pmtud-method-05.txt>. Signed-off-by: John Heffner <jheffner@psc.edu> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[TG3]: Add support for 5714S and 5715SMichael Chan
Add support for 5714S and 5715S. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-03-20[DCCP]: Initial feature negotiation implementationAndrea Bittau
Still needs more work, but boots and doesn't crashes, even does some negotiation! 18:38:52.174934 127.0.0.1.43458 > 127.0.0.1.5001: request <change_l ack_ratio 2, change_r ccid 2, change_l ccid 2> 18:38:52.218526 127.0.0.1.5001 > 127.0.0.1.43458: response <nop, nop, change_l ack_ratio 2, confirm_r ccid 2 2, confirm_l ccid 2 2, confirm_r ack_ratio 2> 18:38:52.185398 127.0.0.1.43458 > 127.0.0.1.5001: <nop, confirm_r ack_ratio 2, ack_vector0 0x00, elapsed_time 212> :-) Signed-off-by: Andrea Bittau <a.bittau@cs.ucl.ac.uk> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>