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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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Some devices support BT/WLAN co-existence algorigthms.
In order not to harm the system performance and user experience, the device
requests not to allow any RX BA session and tear down existing RX BA sessions
based on system constraints such as periodic BT activity that needs to limit
WLAN activity (eg.SCO or A2DP).
In such cases, the intention is to limit the duration of the RX PPDU and
therefore prevent the peer device to use A-MPDU aggregation.
Adding ieee80211_stop_rx_ba_session() callback
that can be used by the driver to stop existing BA sessions.
Signed-off-by: Shahar Levi <shahar_levi@ti.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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This reverts commit aac6af5534fade2b18682a0b9efad1a6c04c34c6.
Conflicts:
net/mac80211/key.c
That commit has a race that causes a warning, as documented in the thread
here:
http://marc.info/?l=linux-wireless&m=130717684914101&w=2
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This partially reverts 1c5cae815d19ffe02bdfda1260949ef2b1806171, because
the netdev name is copied into sdata->name, which is used for debugging
messages, for example. Otherwise, we get messages like this:
wlan%d: authenticated
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Cc: Jiri Pirko <jpirko@redhat.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: "John W. Linville" <linville@tuxdriver.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The channel survey information will be empy for
disabled channels so simply discard those entries.
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Found several threads about fixed rate mode in minstrel_ht for test
environments, but no patches for it.
This patch provides such a mode through debugfs.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This adds dump support to testmode. The testmode
dump support in nl80211 requires using two of the
six cb->args, the rest can be used by the driver
to figure out where the dump position is at or to
store other data across invocations.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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* remove interrupt.g inclusion from netdevice.h -- not needed
* fixup fallout, add interrupt.h and hardirq.h back where needed.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Outside of net/sctp/ipv6.c, IPV6 specific code needs to
be ifdef guarded.
This fixes build failures with IPV6 disabled.
Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Semicolons are not necessary after switch/while/for/if braces
so remove them.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This saves a network device lookup on each packet transmitted,
for sockets that are bound to a network device.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Old code was probably safe, but with this change we
can actually use the netdev object, not just compare
the pointer values.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (40 commits)
tg3: Fix tg3_skb_error_unmap()
net: tracepoint of net_dev_xmit sees freed skb and causes panic
drivers/net/can/flexcan.c: add missing clk_put
net: dm9000: Get the chip in a known good state before enabling interrupts
drivers/net/davinci_emac.c: add missing clk_put
af-packet: Add flag to distinguish VID 0 from no-vlan.
caif: Fix race when conditionally taking rtnl lock
usbnet/cdc_ncm: add missing .reset_resume hook
vlan: fix typo in vlan_dev_hard_start_xmit()
net/ipv4: Check for mistakenly passed in non-IPv4 address
iwl4965: correctly validate temperature value
bluetooth l2cap: fix locking in l2cap_global_chan_by_psm
ath9k: fix two more bugs in tx power
cfg80211: don't drop p2p probe responses
Revert "net: fix section mismatches"
drivers/net/usb/catc.c: Fix potential deadlock in catc_ctrl_run()
sctp: stop pending timers and purge queues when peer restart asoc
drivers/net: ks8842 Fix crash on received packet when in PIO mode.
ip_options_compile: properly handle unaligned pointer
iwlagn: fix incorrect PCI subsystem id for 6150 devices
...
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into for-davem
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read_lock() ... read_unlock_bh() is clearly bogus.
This was broken by
commit 23691d75cdc69c3b285211b4d77746aa20a17d18
Author: Gustavo F. Padovan <padovan@profusion.mobi>
Date: Wed Apr 27 18:26:32 2011 -0300
Bluetooth: Remove l2cap_sk_list
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Commit 0a35d36 ("cfg80211: Use capability info to detect mesh beacons")
assumed that probe response with both ESS and IBSS bits cleared
means that the frame was sent by a mesh sta.
However, these capabilities are also being used in the p2p_find phase,
and the mesh-validation broke it.
Rename the WLAN_CAPABILITY_IS_MBSS macro, and verify that mesh ies
exist before assuming this frame was sent by a mesh sta.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Because there is a possibility that skb is kfree_skb()ed and zero cleared
after ndo_start_xmit, we should not see the contents of skb like skb->len and
skb->dev->name after ndo_start_xmit. But trace_net_dev_xmit does that
and causes panic by NULL pointer dereference.
This patch fixes trace_net_dev_xmit not to see the contents of skb directly.
If you want to reproduce this panic,
1. Get tracepoint of net_dev_xmit on
2. Create 2 guests on KVM
2. Make 2 guests use virtio_net
4. Execute netperf from one to another for a long time as a network burden
5. host will panic(It takes about 30 minutes)
Signed-off-by: Koki Sanagi <sanagi.koki@jp.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, user-space cannot determine if a 0 tcp_vlan_tci
means there is no VLAN tag or the VLAN ID was zero.
Add flag to make this explicit. User-space can check for
TP_STATUS_VLAN_VALID || tp_vlan_tci > 0, which will be backwards
compatible. Older could would have just checked for tp_vlan_tci,
so it will work no worse than before.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Take the RTNL lock unconditionally when calling dev_close.
Taking the lock conditionally may cause race conditions.
Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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commit 4af429d29b341bb1735f04c2fb960178ed5d52e7 (vlan: lockless
transmit path) have a typo in vlan_dev_hard_start_xmit(), using
u64_stats_update_begin() to end the stat update, it should be
u64_stats_update_end().
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Check against mistakenly passing in IPv6 addresses (which would result
in an INADDR_ANY bind) or similar incompatible sockaddrs.
Signed-off-by: Marcus Meissner <meissner@suse.de>
Cc: Reinhard Max <max@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use the current logging style.
Add #define pr_fmt and remove embedded prefix from formats.
Not converting the current pr_<level> uses to netdev_<level>
because all the output here is nicely prefaced with "8021q: ".
Remove __func__ use from proc registration failure message.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In this case, the SCTP association transmits an ASCONF packet
including addition of the new IP address and deletion of the old
address. This patch implements this functionality.
In this case, the ASCONF chunk is added to the beginning of the
queue, because the other chunks cannot be transmitted in this state.
Signed-off-by: Michio Honda <micchie@sfc.wide.ad.jp>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Acked-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch allows the application to operate Auto-ASCONF on/off
behavior via setsockopt() and getsockopt().
Signed-off-by: Michio Honda <micchie@sfc.wide.ad.jp>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Acked-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch allows the system administrator to change default
Auto-ASCONF on/off behavior via an sysctl value.
Signed-off-by: Michio Honda <micchie@sfc.wide.ad.jp>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Acked-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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SCTP reconfigure the IP addresses in the association by using
ASCONF chunks as mentioned in RFC5061. For example, we can
start to use the newly configured IP address in the existing
association. This patch implements automatic ASCONF operation
in the SCTP stack with address events in the host computer,
which is called auto_asconf.
Signed-off-by: Michio Honda <micchie@sfc.wide.ad.jp>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Acked-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes the problem that the original code cannot delete
the remote address where the corresponding transport is currently
directed, even when the ASCONF is sent from the other address (this
situation happens when the single-homed sender transmits ASCONF
with ADD and DEL.)
Signed-off-by: Michio Honda <micchie@sfc.wide.ad.jp>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Acked-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The debug output of update_route has tests for "route deleted" and "route
added". All other situations are handled as "route changed". This is not
true because neigh_node and curr_router could be both NULL.
The function is not called in this situation, but the code might be
interpreted wrong when reading it without this test.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
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This comment has been wrongly put after the variable it refers to and was also bad indented
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Acked-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
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Instead of comparing mac addresses with the broadcast address by means
of compare_eth(), the is_broadcast_ether_addr() kernel function has to be
used.
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Acked-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
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seq_before and seq_after depend on the fact that both sequence numbers
have the same type and thus the same bitwidth. We can ensure that by
compile time checking using a compare between the pointer to the
temporary buffers which were created using the typeof of both
parameters. For example gcc would create a warning like
"warning: comparison of distinct pointer types lacks a cast".
Signed-off-by: Sven Eckelmann <sven@narfation.org>
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smallest_signed_int(), seq_before() and seq_after() are very useful
functions that help to handle comparisons between sequence numbers.
However they were only defined in vis.c. With this patch every
batman-adv function will be able to use them.
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
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Usually rcu_dereference isn't necessary in situations were the
RCU-protected data structure cannot change, but sparse and lockdep still
need a similar functionality for analysis. rcu_dereference_protected
implements the reduced version which should be used to support the
dynamic and static analysis.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
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Documentation/CodingStyle recommends to use the form
p = kmalloc(sizeof(*p), ...);
to calculate the size of a struct and not the version where the struct
name is spelled out to prevent bugs when the type of p changes. This
also seems appropriate for manipulation of buffers when they are
directly associated with p.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
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Casting from pointer like 'struct orig_node*' to 'struct orig_node *'
doesn't provide any additional functionality and can be savely removed.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
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It is not necessary to cast a void* to the pointer type when we just
store it and don't want to do pointer arithmetic before the actual
assignment.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
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It is not save to provide memory for an int and then cast the pointer to
it to long*. It is better to standardize the up and down gateway
bandwith representation to simple ints and only use long inside
conversation routines.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
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batman-adv uses pointers which are marked as const and should not
violate that type qualifier by passing it to functions which force a
cast to the non-const version.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
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The size of void is currently set by gcc to 1, but is not well defined
in general. Therefore it is more advisable to cast it to char* before
doing pointer arithmetic.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
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Signed-off-by: Sven Eckelmann <sven@narfation.org>
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Signed-off-by: Sven Eckelmann <sven@narfation.org>
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Signed-off-by: Sven Eckelmann <sven@narfation.org>
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Signed-off-by: Sven Eckelmann <sven@narfation.org>
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Every time that find_router() is invoked, if_status has to be compared with
IF_ACTIVE. Moving this comparison inside find_router() will avoid to write it
each time.
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
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If the peer restart the asoc, we should not only fail any unsent/unacked
data, but also stop the T3-rtx, SACK, T4-rto timers, and teardown ASCONF
queues.
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The current code takes an unaligned pointer and does htonl() on it to
make it big-endian, then does a memcpy(). The problem is that the
compiler decides that since the pointer is to a __be32, it is legal
to optimize the copy into a processor word store. However, on an
architecture that does not handled unaligned writes in kernel space,
this produces an unaligned exception fault.
The solution is to track the pointer as a "char *" (which removes a bunch
of unpleasant casts in any case), and then just use put_unaligned_be32()
to write the value to memory.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: David S. Miller <davem@zippy.davemloft.net>
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