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* 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
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* 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
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* 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
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
[MIPS] Update defconfigs.
[MIPS] Separate CPU entries in /proc/cpuinfo with a blank line.
[MIPS] sys_mmap2 offset argument should always be shifted 12, not PAGE_SHIFT.
[MIPS] TX49XX has prefetch.
[MIPS] Kill tlb-andes.c.
[MIPS] War on whitespace: cleanup initial spaces followed by tabs.
[MIPS] Makefile crapectomy.
[MIPS] Reformat __xchg().
[MIPS] Mention Broadcom part number for BigSur board
[MIPS] Remove CONFIG_BUILD_ELF64.
[MIPS] Further sparsification for 32-bit compat code.
[MIPS] fix wrong __user usage in _sysn32_rt_sigsuspend
[MIPS] Signal cleanup
[MIPS] Reformat all of signal32.c with tabs instead of space for consistency
[MIPS] Delete unused sys32_waitpid.
[MIPS] Make I/O helpers more customizable
[MIPS] Symmetric Uniprocessor support for Qemu.
[MIPS] sc-rm7k.c cleanup
[MIPS] MIPS64 R2 optimizations for 64-bit endianess swapping.
[MIPS] Add early console for Cobalt.
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master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband: (47 commits)
IB/mthca: Query SRQ srq_limit fixes
IPoIB: Get rid of useless test of queue length
IB/mthca: Correct reported SRQ size in MemFree case.
IB/mad: Fix oopsable race on device removal
IB/srp: Coverity fix to srp_parse_options()
IB/mthca: Coverity fix to mthca_init_eq_table()
IB: Coverity fixes to sysfs.c
IPoIB: Move ipoib_ib_dev_flush() to ipoib workqueue
IPoIB: Fix build now that neighbour destructor is in neigh_params
IB/uverbs: Use correct alt_pkey_index in modify QP
IB/umad: Add support for large RMPP transfers
IB/srp: Add SCSI host attributes to show target port
IB/cm: Check cm_id state before handling a REP
IB/mthca: Update firmware versions
IB/mthca: Optimize large messages on Sinai HCAs
IB/uverbs: Fix query QP return of sq_sig_all
IB: Fix modify QP checking of "current QP state" attribute
IPoIB: Fix multicast race between canceling and completing
IPoIB: Clean up if posting receives fails
IB/mthca: Use an enum for HCA page size
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* 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
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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
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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
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Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Now, em28xx uses saa7115 instead of saa711x.
saa7115 driver is capable of handling saa 7113, 7114 and 7115.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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- added tuner_lg_taln_pal_secam_ranges
- renamed tuner 66 from TUNER_LG_NTSC_TALN_MINI to TUNER_LG_TALN
- updated FlyTV mini Asus Digimatrix with new tuner
Thanks-to: Rickard Osser <ricky@osser.se>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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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
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This option is no longer usable with supported compilers. It will be
replaced by usage of -msym32 in a separate patch.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Move function prototypes to asm/signal.h to detect trivial errors and
add some __user tags to get rid of sparse warnings. Generated code
should not be changed.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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1. Move ioswab*() and __mem_ioswab*() to mangle-port.h. This gets rid
of CONFIG_SGI_IP22 from include/asm-mips/io.h.
2. Pass a virtual address to *ioswab*(). Then we can provide
mach-specific *ioswab*() and can do every evil thing based on its
argument. It could be useful on machines which have regions with
different endian conversion scheme.
3. Call __swizzle_addr*() _after_ adding mips_io_port_base. This
unifies the meaning of the argument of __swizzle_addr*() (always
virtual address). Then mach-specific __swizzle_addr*() can do every
evil thing based on the argument.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Use blast_scache_range, blast_inv_scache_range for rm7k scache routine.
Output code should be logically same.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Peter Horton <pdh@colonel-panic.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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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>
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Cleanup of LLC. llc_mac_hdr_init can take constant arguments,
and it is defined twice once in llc_output.h that is otherwise unused.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Acked-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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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>
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Sparc64 and Sparc32 have to have identical socket call
numbering in order to handle compat layer stuff properly.
Signed-off-by: David S. Miller <davem@davemloft.net>
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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>
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Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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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>
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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>
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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>
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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>
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When xfrm_user isn't loaded xfrm_nl is NULL, which makes IPsec crash because
xfrm_aevent_is_on passes the NULL pointer to netlink_has_listeners as socket.
A second problem is that the xfrm_nl pointer is not cleared when the socket
is releases at module unload time.
Protect references of xfrm_nl from outside of xfrm_user by RCU, check
that the socket is present in xfrm_aevent_is_on and set it to NULL
when unloading xfrm_user.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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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>
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Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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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>
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Semaphore to mutex conversion.
The conversion was generated via scripts, and the result was validated
automatically via a script as well.
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
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>
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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>
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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>
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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>
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struct neigh_ops currently has a destructor field, which no in-kernel
drivers outside of infiniband use. The infiniband/ulp/ipoib in-tree
driver stashes some info in the neighbour structure (the results of
the second-stage lookup from ARP results to real link-level path), and
it uses neigh->ops->destructor to get a callback so it can clean up
this extra info when a neighbour is freed. We've run into problems
with this: since the destructor is in an ops field that is shared
between neighbours that may belong to different net devices, there's
no way to set/clear it safely.
The following patch moves this field to neigh_parms where it can be
safely set, together with its twin neigh_setup. Two additional
patches in the patch series update ipoib to use this new interface.
Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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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>
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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>
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Consolidating open coded sequences in tcp and dccp, v4 and v6.
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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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>
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Instead of doing a memset then initialization of the fields of the scm
structure, just initialize all the members explicitly. Prevent reloading
of current on x86 and x86-64 by storing the value in a local variable for
subsequent dereferences. This is worth a ~7KB/s increase in af_unix
bandwidth. Note that we avoid the issues surrounding potentially
uninitialized members of the ucred structure by constructing a struct
ucred instead of assigning the members individually, which forces the
compiler to zero any padding.
[ I modified the patch not to use the aggregate assignment since
gcc-3.4.x and earlier cannot optimize that properly at all even
though gcc-4.0.x and later can -DaveM ]
Signed-off-by: Benjamin LaHaise <benjamin.c.lahaise@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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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>
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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>
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[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>
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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>
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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>
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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>
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