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Instead of hacking specific service names into gss_encode_v1_msg, we should
just allow the caller to specify the service name explicitly.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Acked-by: J. Bruce Fields <bfields@redhat.com>
This ensures a linear behaviour when filling /proc/net/if_inet6 thus making
ifconfig run really fast on IPv6 only addresses. In fact, with this patch and
the IPv4 one sent a while ago, ifconfig will run in linear time regardless of
address type.
IPv4 related patch: f04565ddf52e401880f8ba51de0dff8ba51c99fd
dev: use name hash for dev_seq_ops
...
Some statistics (running ifconfig > /dev/null on a different setup):
iface count / IPv6 no-patch time / IPv6 patched time / IPv4 time
----------------------------------------------------------------
6250 | 0.23 s | 0.13 s | 0.11 s
12500 | 0.62 s | 0.28 s | 0.22 s
25000 | 2.91 s | 0.57 s | 0.46 s
50000 | 11.37 s | 1.21 s | 0.94 s
128000 | 86.78 s | 3.05 s | 2.54 s
Signed-off-by: Mihai Maruseac <mmaruseac@ixiacom.com>
Cc: Daniel Baluta <dbaluta@ixiacom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Recently Dave noticed that a test we did in ipv6_add_addr to see if we next hop
route for the interface we're adding an addres to was wrong (see commit
7ffbcecbeed91e5874e9a1cfc4c0cbb07dac3069). for one, it never triggers, and two,
it was completely wrong to begin with. This test was meant to cover this
section of RFC 4429:
3.3 Modifications to RFC 2462 Stateless Address Autoconfiguration
* (modifies section 5.5) A host MAY choose to configure a new address
as an Optimistic Address. A host that does not know the SLLAO
of its router SHOULD NOT configure a new address as Optimistic.
A router SHOULD NOT configure an Optimistic Address.
This patch should bring us into proper compliance with the above clause. Since
we only add a SLAAC address after we've received a RA which may or may not
contain a source link layer address option, we can pass a pointer to that option
to addrconf_prefix_rcv (which may be null if the option is not present), and
only set the optimistic flag if the option was found in the RA.
Change notes:
(v2) modified the new parameter to addrconf_prefix_rcv to be a bool rather than
a pointer to make its use more clear as per request from davem.
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: "David S. Miller" <davem@davemloft.net>
CC: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
ieee80211_offchannel_enable_all_ps function is no longer used
and looks like its logic is extensively handled in
ieee80211_offchannel_stop_vifs
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Ideally, hardware/firmware initialization is complete after the
drv_start routine. In mac80211 restart code (ieee80211_reconfig),
defer calling the driver commands i.e. setup fragmentation
threshold, rts threshold and coverage class till drv_start
routine is called.
Signed-off-by: Nishant Sarmukadam <nishants@marvell.com>
Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
v2: Removed extra blank line added.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
this is being recently introduced by the commit
a85e1d55974646a442d95911e3f7d7a891ea9ac5
Cc: Paul Stewart <pstew@google.com>
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
when we run high bandwidth UDP traffic and we trigger a scan, the scan
state machine seems to be looping in SUSPEND->RESUME->DECISION->SUSPEND
and SET_CHANNEL seems to be never called as 'tx_empty' is never true
while running UDP traffic. fix this by settting SET_CHANNEL state when
we get into RESUME state.
Cc: Leela Kella <leela@qca.qualcomm.com>
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Error handling code following a kmalloc should free the allocated data.
The label fail_alloc already does this for rfkill.
A simplified version of the semantic match that finds the problem is as
follows: (http://coccinelle.lip6.fr)
// <smpl>
@r exists@
local idexpression x;
statement S;
identifier f1;
position p1,p2;
expression *ptr != NULL;
@@
x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...);
...
if (x == NULL) S
<... when != x
when != if (...) { <+...x...+> }
x->f1
...>
(
return \(0\|<+...x...+>\|ptr\);
|
return@p2 ...;
)
@script:python@
p1 << r.p1;
p2 << r.p2;
@@
print "* file: %s kmalloc %s return %s" % (p1[0].file,p1[0].line,p2[0].line)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
If the vif is stopped while it is offchannel (e.g. right
after p2p negotiation) the SDATA_STATE_OFFCHANNEL flag
is never get cleared, resulting in various bad effects
(e.g. GO can't start beaconing).
Fix it by clearing the SDATA_STATE_OFFCHANNEL flag
even if the vif is stopped.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Wireless will select a different hardware queue based on the
top 3 bits of the diffserv field, for ipv4. Extend that queue
selection mechanism to ipv6, and make the calls orthogonal.
Signed-off-by: Dave Täht <dave.taht@bufferbloat.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
The nfcid1 is the NFC-A identifier.
It is exported as an attribute of the target info
(returned as a response to NFC_CMD_GET_TARGET).
Signed-off-by: Ilan Elias <ilane@ti.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Following the tradition we have had with ath5k, ath9k, CRDA,
wireless-regdb I'd like to license this code under the permissive ISC
license for the code sharing purposes with other OSes, it'd sure be nice
to help the landscape in this area. Although I am %82.89 owner of the
regulatory code I have asked every contributor to the regulatory code
and have receieved positive Acked-bys from everyone except two deceased
entities:
o Frans Pop RIP 2010 [0]
- Frans Pop <elendil@planet.nl>
- Frans Pop <fjp@debian.org>
o Nokia RIP February, 11, 2011 [1], [2]
- ext-yuri.ershov@nokia.com
- kalle.valo@nokia.com
Frans Pop's contribution was a simple patch 55f98938, titled,
"wireless: remove trailing space in messages" which just add a \n
to some printk lines. I'm going to treat these additions as
uncopyrightable.
As for the contributions made by employees on behalf of Nokia
my contact point was Petri Karhula <petri.karhula@nokia.com> but
after one month he noted he had not been able to get traction from the
legal department on this request, as such it I proceeded by replacing
their contributions in previous patches.
The end goal is to help a clean rewrite that starts in userspace
that is shared under ISC license which currently is taking place with
the regulatory simulator [3].
[0] http://lists.debian.org/debian-devel/2011/12/msg00263.html
[1] http://press.nokia.com/2011/02/11/nokia-outlines-new-strategy-introduces-new-leadership-operational-structure/
[2] http://NokiaPlanB.com
[3] git://github.com/mcgrof/regsim.git
Acked-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Acked-by: Dan Carpenter <error27@gmail.com>
Acked-by: Mihai Moldovan <ionic@ionic.de>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Sven Neumann <s.neumann@raumfeld.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Acked-by: Tony Vroon <tony@linx.net>
Acked-by: Pavel Roskin <proski@gnu.org>
Acked-by: Bob Copeland <me@bobcopeland.com>
Acked-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Acked-by: Pat Erley <pat-lkml@erley.org>
Acked-by: Tejun Heo <tj@kernel.org>
Acked-by: John W. Linville <linville@tuxdriver.com>
Acked-by: Chris Wright <chrisw@sous-sol.org>
Acked-by: Joe Perches <joe@perches.com>
Acked-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Acked-by: John Gordon <john@devicescape.com>
Acked-by: Simon Barber <protocolmagic@gmail.com>
Acked-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Acked-by: Jiri Benc <jbenc@upir.cz>
Acked-by: Bruno Randolf <br1@einfach.org>
Acked-by: Scott James Remnant <keybuk@google.com>
Acked-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Nokia hasn't gotten back to me in over 1 month for a relicense
change request. There are only a few changes that they contributed,
so just reverting their changes but replacing with another set.
This change replaces this commit:
commit 269ac5fd2d75b118d76a2291e28796527db2f3f8
Author: Kalle Valo <kalle.valo@nokia.com>
Date: Tue Dec 1 10:47:15 2009 +0200
cfg80211: indent regulatory messages with spaces
The regulatory messages in syslog look weird:
kernel: cfg80211: Regulatory domain: US
kernel: ^I(start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
kernel: ^I(2402000 KHz - 2472000 KHz @ 40000 KHz), (600 mBi, 2700 mBm)
kernel: ^I(5170000 KHz - 5190000 KHz @ 40000 KHz), (600 mBi, 2300 mBm)
kernel: ^I(5190000 KHz - 5210000 KHz @ 40000 KHz), (600 mBi, 2300 mBm)
kernel: ^I(5210000 KHz - 5230000 KHz @ 40000 KHz), (600 mBi, 2300 mBm)
kernel: ^I(5230000 KHz - 5330000 KHz @ 40000 KHz), (600 mBi, 2300 mBm)
kernel: ^I(5735000 KHz - 5835000 KHz @ 40000 KHz), (600 mBi, 3000 mBm)
Indent them with four spaces instead of the tab character to get prettier
output.
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Acked: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Cc: Petri Karhula <petri.karhula@nokia.com>
Signed-off-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Nokia hasn't gotten back to me in over 1 month for a relicense
change request. There are only a few changes that they contributed,
so just reverting their changes but replacing with another set.
This change replaces this commit:
commit c4c322941ce0d7e2b7b8794ad70683123d9cb26a
Author: Yuri Ershov <ext-yuri.ershov@nokia.com>
Date: Tue Jun 29 15:08:08 2010 +0400
cfg80211: Update of regulatory request initiator handling
In some cases there could be possible dereferencing freed pointer. The
update is intended to avoid this issue.
Signed-off-by: Yuri Ershov <ext-yuri.ershov@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Cc: Petri Karhula <petri.karhula@nokia.com>
Signed-off-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Add support for NCI Interface Error Notification.
When this notification is received and we're during a
data exchange transaction, indicate an error to the NFC
core layer via the data exchange callback.
Signed-off-by: Ilan Elias <ilane@ti.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Addition, deletion, and modification of NCI constants.
Changes in NCI commands, responses, and notifications structures.
Signed-off-by: Ilan Elias <ilane@ti.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This seems to not serve any purpose anymore, at least all frame
processing afterwards seems to be able to deal with QoS frames. So,
let's save the expensive memmove and just leave the QoS header in the
802.11 frame for further processing.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
SFQ q->perturbation is used in sfq_hash() as an input to Jenkins hash.
We currently randomize this 32bit value only if a perturbation timer is
setup.
Its much better to always initialize it to defeat attackers, or else
they can predict very well what kind of packets they have to forge to
hit a particular flow.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since commit 817fb15dfd98 (net_sched: sfq: allow divisor to be a
parameter), we can leave perturbation timer armed if a memory allocation
error aborts sfq_init().
Memory containing active struct timer_list is freed and kernel can
crash.
Call sfq_destroy() from sfq_init() to properly dismantle qdisc.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
All implementations have been converted to implement set_rxnfc
instead.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Define special location values for RX NFC that request the driver to
select the actual rule location. This allows for implementation on
devices that use hash-based filter lookup, whereas currently the API is
more suited to devices with TCAM lookup or linear search.
In ethtool_set_rxnfc() and the compat wrapper ethtool_ioctl(), copy
the structure back to user-space after insertion so that the actual
location is returned.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Seeing that just about every destructor got that INIT_LIST_HEAD() copied into
it, there is no point whatsoever keeping this INIT_LIST_HEAD in inode_init_once();
the cost of taking it into inode_init_always() will be negligible for pipes
and sockets and negative for everything else. Not to mention the removal of
boilerplate code from ->destroy_inode() instances...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
When trying to allocate ~32768 qdiscs using autohandle mechanism, we can
fill the space managed by kernel (handles in [8000-FFFF]:0000 range)
But O(N^2) qdisc_alloc_handle() loops 0x10000 times instead of 0x8000
time tc add qdisc add dev eth0 parent 10:7fff pfifo limit 10
RTNETLINK answers: Cannot allocate memory
real 1m54.826s
user 0m0.000s
sys 0m0.004s
INFO: rcu_sched_state detected stall on CPU 0 (t=60000 jiffies)
Half number of loops, and add a cond_resched() call.
We hold rtnl at this point.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Dave Taht <dave.taht@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We can underestimate q->wsum in case of "tc class replace ... qfq"
and/or qdisc_create_dflt() error.
wsum is not really used in fast path, only at qfq qdisc/class setup,
to catch user error.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
grp->slot_shift is between 22 and 41, so using 32bit wide variables is
probably a typo.
This could explain QFQ hangs Dave reported to me, after 2^23 packets ?
(23 = 64 - 41)
Reported-by: Dave Taht <dave.taht@gmail.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Stephen Hemminger <shemminger@vyatta.com>
CC: Dave Taht <dave.taht@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
SFQ enqueue algo puts a new flow _behind_ all pre-existing flows in the
circular list. In fact this is probably an old SFQ implementation bug.
100 Mbits = ~8333 full frames per second, or ~8 frames per ms.
With 50 flows, it means your "new flow" will have to wait 50 packets
being sent before its own packet. Thats the ~6ms.
We certainly can change SFQ to give a priority advantage to new flows,
so that next dequeued packet is taken from a new flow, not an old one.
Reported-by: Dave Taht <dave.taht@gmail.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Those locks are not shared between interrupt and process context anymore,
so remove the part that disable interrupts. We are still safe because
preemption is disabled.
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Stop Discovery Command Status Event should use mgmt status code.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Acked-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This patch queues hdev->adv_work on the system-wide workqueue
instead of on hdev->workqueue. This way we keep only tx/rx works
on hdev->workqueue.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This patch fixes the adv_work delay. It should be set to ADV_
CLEAR_TIMEOUT instead of (jiffies + ADV_CLEAR_TIMEOUT) since
queue_delayed_work() receives the number of jiffies to wait
before queueing. It also removes the unnecessary cancel_delayed_
work_sync() call in case LE scan has been disabled.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Copy the Features value according to the Page number.
Signed-off-by: Andre Guedes <aguedespe@gmail.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This patch renames hdev->extfeatures to hdev->host_features since it
holds the extended features Page 1 (aka host features).
Signed-off-by: Andre Guedes <aguedespe@gmail.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Everything is in process context now, we do not need such a call.
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Those locks are not shared between interrupt and process context anymore,
so remove the part that disable interrupts. We are still safe because
preemption is disabled.
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
We now run in process context, no need to disable interrupts.
Calls from the tty layer also run in process context.
rw_lock was converted to spinlock, we have more writers than readers in
this case.
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Code now run in process context, does not need to disable interrupt
anymore.
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
It should be the dst in the copy not src. 03a001948 introduced this bug.
Reported-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
