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Calling icmp_send() on a local message size error leads to
an incorrect update of the path mtu. So use ip_local_error()
instead to notify the socket about the error.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We might call ip_ufo_append_data() for packets that will be IPsec
transformed later. This function should be used just for real
udp packets. So we check for rt->dst.header_len which is only
nonzero on IPsec handling and call ip_ufo_append_data() just
if rt->dst.header_len is zero.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The family arg is not used any more, so remove it.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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IPV6, unlike IPV4, doesn't have a routing cache.
Routing table entries, as well as clones made in response
to route lookup requests, all live in the same table. And
all of these things are together collected in the destination
cache table for ipv6.
This means that routing table entries count against the garbage
collection limits, even though such entries cannot ever be reclaimed
and are added explicitly by the administrator (rather than being
created in response to lookups).
Therefore it makes no sense to count ipv6 routing table entries
against the GC limits.
Add a DST_NOCOUNT destination cache entry flag, and skip the counting
if it is set. Use this flag bit in ipv6 when adding routing table
entries.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This blows away any flags already set in the entry.
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git2.kernel.org/pub/scm/linux/kernel/git/lowpan/lowpan
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Correct the syntax so that both array and pointer are const.
Signed-off-by: Greg Dietsche <Gregory.Dietsche@cuw.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make the case labels the same indent as the switch.
git diff -w shows 80 column line reflowing.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make the case labels the same indent as the switch.
git diff -w shows 80 column line reflowing.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make the case labels the same indent as the switch.
git diff -w shows useless break;s removed after returns
and a comment added to an unnecessary default: break;
because of a dubious gcc warning.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make the case labels the same indent as the switch.
git diff -w shows code on same line as case moved
to separate lines and a "/* Fallthrough */" comment
added where appropriate.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make the case labels the same indent as the switch.
git diff -w shows 80 column reflowing.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make the case labels the same indent as the switch.
git diff -w shows 80 column reflowing,
removal of a useless break after return, and moving
open brace after case instead of separate line.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make the case labels the same indent as the switch.
git diff -w shows no difference.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make the case labels the same indent as the switch.
git diff -w shows miscellaneous 80 column wrapping,
comment reflowing and a comment for a useless gcc
warning for an otherwise unused default: case.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make the case labels the same indent as the switch.
git diff -w shows miscellaneous 80 column wrapping.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make the case labels the same indent as the switch.
Simplify a default case / return (unreached)
Remove unnecessary break after return.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make the case labels the same indent as the switch.
git diff -w shows differences for line wrapping.
(fit multiple lines to 80 columns, join where possible)
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make the case labels the same indent as the switch.
(git diff -w net/appletalk shows no difference)
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds a change sequence counter to each net namespace
which is bumped whenever a netdevice is added or removed from
the list. If such a change occurred while a link dump took place,
the dump will have the NLM_F_DUMP_INTR flag set in the first
message which has been interrupted and in all subsequent messages
of the same dump.
Note that links may still be modified or renamed while a dump is
taking place but we can guarantee for userspace to receive a
complete list of links and not miss any.
Testing:
I have added 500 VLAN netdevices to make sure the dump is split
over multiple messages. Then while continuously dumping links in
one process I also continuously deleted and re-added a dummy
netdevice in another process. Multiple dumps per seconds have
had the NLM_F_DUMP_INTR flag set.
I guess we can wait for Johannes patch to hit net-next via the
wireless tree. I just wanted to give this some testing right away.
Signed-off-by: Thomas Graf <tgraf@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Even when the received tx_seq is expected, the frame still needs to be
dropped if the TX window is exceeded or the receiver is in the local
busy state.
Signed-off-by: Mat Martineau <mathewm@codeaurora.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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Add a local logging function to emit bluetooth specific
messages. Using vsprintf extension %pV saves code/text
space.
Convert the current BT_INFO and BT_ERR macros to use bt_printk.
Remove __func__ from BT_ERR macro (and the uses).
Prefix "Bluetooth: " to BT_ERR
Remove __func__ from BT_DBG as function can be prefixed when
using dynamic_debug.
With allyesconfig:
text data bss dec hex filename
129956 8632 36096 174684 2aa5c drivers/bluetooth/built-in.o.new2
134402 8632 36064 179098 2bb9a drivers/bluetooth/built-in.o.old
14778 1012 3408 19198 4afe net/bluetooth/bnep/built-in.o.new2
15067 1012 3408 19487 4c1f net/bluetooth/bnep/built-in.o.old
346595 19163 86080 451838 6e4fe net/bluetooth/built-in.o.new2
353751 19163 86064 458978 700e2 net/bluetooth/built-in.o.old
18483 1172 4264 23919 5d6f net/bluetooth/cmtp/built-in.o.new2
18927 1172 4264 24363 5f2b net/bluetooth/cmtp/built-in.o.old
19237 1172 5152 25561 63d9 net/bluetooth/hidp/built-in.o.new2
19581 1172 5152 25905 6531 net/bluetooth/hidp/built-in.o.old
59461 3884 14464 77809 12ff1 net/bluetooth/rfcomm/built-in.o.new2
61206 3884 14464 79554 136c2 net/bluetooth/rfcomm/built-in.o.old
with x86 defconfig (and just bluetooth):
$ size net/bluetooth/built-in.o.defconfig.*
text data bss dec hex filename
66358 933 100 67391 1073f net/bluetooth/built-in.o.defconfig.new
66643 933 100 67676 1085c net/bluetooth/built-in.o.defconfig.old
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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Make it easier to use more normal logging styles later.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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ERTM timeouts are defined in milliseconds, but need to be converted
to jiffies when passed to mod_timer().
Signed-off-by: Mat Martineau <mathewm@codeaurora.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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Signed-off-by: Mat Martineau <mathewm@codeaurora.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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If the remote device is not present, the connections attemp fails and
the struct hci_conn was not freed
Signed-off-by: Tomas Targownik <ttargownik@geicp.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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PTS test A2DP/SRC/SRC_SET/TC_SRC_SET_BV_02_I revealed that
( probably after the df3c3931e commit ) the l2cap connection
could not be established in case when the "Auth Complete" HCI
event does not arive before the initiator send "Configuration
request", in which case l2cap replies with "Command rejected"
since the channel is still in BT_CONNECT2 state.
Based on patch from: Ilia Kolomisnky <iliak@ti.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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Partial revert of commit aabf6f89. When the hidp session thread
was converted from kernel_thread to kthread, the atomic/wakeups
were replaced with kthread_stop. kthread_stop has blocking semantics
which are inappropriate for the hidp session kthread. In addition,
the kthread signals itself to terminate in hidp_process_hid_control()
- it cannot do this with kthread_stop().
Lastly, a wakeup can be lost if the wakeup happens between checking
for the loop exit condition and setting the current state to
TASK_INTERRUPTIBLE. (Without appropriate synchronization mechanisms,
the task state should not be changed between the condition test and
the yield - via schedule() - as this creates a race between the
wakeup and resetting the state back to interruptible.)
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (24 commits)
usbnet: Remove over-broad module alias from zaurus.
MAINTAINERS: drop Michael from bfin_mac driver
net/can: activate bit-timing calculation and netlink based drivers by default
rionet: fix NULL pointer dereference in rionet_remove
net+crypto: Use vmalloc for zlib inflate buffers.
netfilter: Fix ip_route_me_harder triggering ip_rt_bug
ipv4: Fix IPsec slowpath fragmentation problem
ipv4: Fix packet size calculation in __ip_append_data
cxgb3: skb_record_rx_queue now records the queue index relative to the net_device.
bridge: Only flood unregistered groups to routers
qlge: Add maintainer.
MAINTAINERS: mark socketcan-core lists as subscribers-only
MAINTAINERS: Remove Sven Eckelmann from BATMAN ADVANCED
r8169: fix wrong register use.
net/usb/kalmia: signedness bug in kalmia_bind()
net/usb: kalmia: Various fixes for better support of non-x86 architectures.
rtl8192cu: Fix missing firmware load
udp/recvmsg: Clear MSG_TRUNC flag when starting over for a new packet
ipv6/udp: Use the correct variable to determine non-blocking condition
netconsole: fix build when CONFIG_NETCONSOLE_DYNAMIC is turned on
...
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into for-davem
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Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
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Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
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Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
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In this revision the conversion of secid to SELinux context and adding it
to the audit log is moved from xt_AUDIT.c to audit.c with the aid of a
separate helper function - audit_log_secctx - which does both the conversion
and logging of SELinux context, thus also preventing internal secid number
being leaked to userspace. If conversion is not successful an error is raised.
With the introduction of this helper function the work done in xt_AUDIT.c is
much more simplified. It also opens the possibility of this helper function
being used by other modules (including auditd itself), if desired. With this
addition, typical (raw auditd) output after applying the patch would be:
type=NETFILTER_PKT msg=audit(1305852240.082:31012): action=0 hook=1 len=52 inif=? outif=eth0 saddr=10.1.1.7 daddr=10.1.2.1 ipid=16312 proto=6 sport=56150 dport=22 obj=system_u:object_r:ssh_client_packet_t:s0
type=NETFILTER_PKT msg=audit(1306772064.079:56): action=0 hook=3 len=48 inif=eth0 outif=? smac=00:05:5d:7c:27:0b dmac=00:02:b3:0a:7f:81 macproto=0x0800 saddr=10.1.2.1 daddr=10.1.1.7 ipid=462 proto=6 sport=22 dport=3561 obj=system_u:object_r:ssh_server_packet_t:s0
Acked-by: Eric Paris <eparis@redhat.com>
Signed-off-by: Mr Dash Four <mr.dash.four@googlemail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
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Add a memeber to the ieee80211_sta structure to indicate whether the STA
supports WME.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch enables the 6131 family of chips to forward DSA
packets to other switch chips. This is needed if multiple
DSA chips are used in a device. Without this patch the
chip will drop any DSA packets not destined for it.
This patch only enables the forwarding of DSA packets if
multiple chips are used in the switch configuration.
Signed-off-by: Barry Grussling <barry@grussling.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Avoid creating input routes with ip_route_me_harder.
It does not work for locally generated packets. Instead,
restrict sockets to provide valid saddr for output route (or
unicast saddr for transparent proxy). For other traffic
allow saddr to be unicast or local but if callers forget
to check saddr type use 0 for the output route.
The resulting handling should be:
- REJECT TCP:
- in INPUT we can provide addr_type = RTN_LOCAL but
better allow rejecting traffic delivered with
local route (no IP address => use RTN_UNSPEC to
allow also RTN_UNICAST).
- FORWARD: RTN_UNSPEC => allow RTN_LOCAL/RTN_UNICAST
saddr, add fix to ignore RTN_BROADCAST and RTN_MULTICAST
- OUTPUT: RTN_UNSPEC
- NAT, mangle, ip_queue, nf_ip_reroute: RTN_UNSPEC in LOCAL_OUT
- IPVS:
- use RTN_LOCAL in LOCAL_OUT and FORWARD after SNAT
to restrict saddr to be local
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A remote user can provide a small value for the command size field in
the command header of an l2cap configuration request, resulting in an
integer underflow when subtracting the size of the configuration request
header. This results in copying a very large amount of data via
memcpy() and destroying the kernel heap. Check for underflow.
Signed-off-by: Dan Rosenberg <drosenberg@vsecurity.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
Conflicts:
drivers/net/wireless/iwlwifi/iwl-tx.c
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ip_append_data() builds packets based on the mtu from dst_mtu(rt->dst.path).
On IPsec the effective mtu is lower because we need to add the protocol
headers and trailers later when we do the IPsec transformations. So after
the IPsec transformations the packet might be too big, which leads to a
slowpath fragmentation then. This patch fixes this by building the packets
based on the lower IPsec mtu from dst_mtu(&rt->dst) and adapts the exthdr
handling to this.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Git commit 59104f06 (ip: take care of last fragment in ip_append_data)
added a check to see if we exceed the mtu when we add trailer_len.
However, the mtu is already subtracted by the trailer length when the
xfrm transfomation bundles are set up. So IPsec packets with mtu
size get fragmented, or if the DF bit is set the packets will not
be send even though they match the mtu perfectly fine. This patch
actually reverts commit 59104f06.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use the tx_frames_pending() driver callback to determine if Tx frames are
pending for its internal queues. If so postpone the dynamic PS timeout
to avoid interrupting Tx traffic.
The commit e8306f989483e4b97a8b37dd268de6c8c6f35e75 enabled this
behavior for drivers with IEEE80211_HW_PS_NULLFUNC_STACK. We enable this
for all drivers supporting dynamic PS.
This patch helps improve performance in noisy environments.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Do not send DS Channel parameter for directed probe requests
in order to maximize the chance that we get a response. Some
badly-behaved APs don't respond when this parameter is included.
Signed-off-by: Paul Stewart <pstew@chromium.org>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When forming a Rx BA session, sometimes the ADDBA response gets lost.
This leads to a situation where the session is configured locally, but
doesn't exist on the remote side. Subsequent ADDBA requests are declined
by mac80211.
Fix this by assuming the session state of the initiator is the correct
one. When receiving an unexpected ADDBA request on a TID with an active
Rx BA session, delete the existing one and establish a new session.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Recent changes to hci_core.c use crypto interfaces, so select CRYPTO
to make sure that those interfaces are present.
Fixes these build errors when CRYPTO is not enabled:
net/built-in.o: In function `hci_register_dev':
(.text+0x4cf86): undefined reference to `crypto_alloc_base'
net/built-in.o: In function `hci_unregister_dev':
(.text+0x4f912): undefined reference to `crypto_destroy_tfm'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Advertise only user-requested bitrates in a HW scan.
Note that the hw_scan API doesn't currently have a
way of asking for a specific probe request bitrate,
so we might end up using a bitrate that we don't
advertise as supported. I'll fix that later.
Also add a hexdump printk to hwsim to verify this.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Move all that mac80211 has into the generic
ieee80211.h header file and use them. At the
same time move them from mask+shift to just
bits and rename them for consistent names.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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