Juuso Oikarinen [Mon, 22 Feb 2010 06:38:35 +0000 (08:38 +0200)]
wl1271: Aggregate RX acknowledgements to FW
This patch will ack RX frames read from the firmware in one single write,
instead of acking all the frames separately. This will reduce the amount of
required communication per frame.
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Juuso Oikarinen [Mon, 22 Feb 2010 06:38:34 +0000 (08:38 +0200)]
wl1271: Remove annoying PSM entry/exit kernel traces
Remove the annoying and dmesg-flooding WLAN PSM entry/exit traces. Instead,
only output them if PSM traces are enabled.
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Juuso Oikarinen [Mon, 22 Feb 2010 06:38:33 +0000 (08:38 +0200)]
wl1271: Fix queue stopping/waking for TX path
The queue stopping/waking functionality was broken in a way that could
cause huge latencies in TX transfers and even cause the TX to stall in the
right circumstances. Correct these problems.
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Juuso Oikarinen [Mon, 22 Feb 2010 06:38:32 +0000 (08:38 +0200)]
wl1271: Fix ad-hoc mode neighborhood detection
This patch fixes a bug in ad-hoc mode preventing mac80211 from properly
detecting other ad-hoc networks with the same SSID.
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Juuso Oikarinen [Mon, 22 Feb 2010 06:38:31 +0000 (08:38 +0200)]
wl1271: Improvements to the TX path
- Fix a TX result overflow problem that was present in the TX path and visible
with at least linksys AP's (probably any AP with high throughput capability.)
- Optimize TX by writing FW trigger for a group of TX frames instead of
each and every frame.
- Slightly optimize the TX path code.
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Kalle Valo [Mon, 22 Feb 2010 06:38:30 +0000 (08:38 +0200)]
wl1271: don't get received frames from hardware in PLT mode
Most probably patch "wl1271: add most of the normal initialization commands
to PLT mode" enabled the RX path in firmware so that now driver received
frames and passed them to mac80211, which warned about them.
Workaround this by not retrieving frames from the hardware, just ignore them.
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Teemu Paasikivi [Mon, 22 Feb 2010 06:38:29 +0000 (08:38 +0200)]
wl1271: Fixed unloading of the wl1271_sdio module
Fixed two bugs causing problems when unloding wl1271 module. First was
missing sdio_set_drvdata call from the probe function, second was order
of function calls in the remove function.
Signed-off-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Teemu Paasikivi [Mon, 22 Feb 2010 06:38:28 +0000 (08:38 +0200)]
wl1271: Changed access to fw status register to use raw read
Changed access to fw status register to use raw read instead of
translated addressing. On SDIO access by translated addressing was not
working and raw access is working also on SPI.
Signed-off-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Teemu Paasikivi [Mon, 22 Feb 2010 06:38:27 +0000 (08:38 +0200)]
wl1271: Initial SDIO implementation
Added initial implementation of SDIO interfacte to the wl1271 driver.
When selected, this adds new module called "wl1271_sdio".
Signed-off-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Teemu Paasikivi [Mon, 22 Feb 2010 06:38:26 +0000 (08:38 +0200)]
wl1271: Divided driver to two separate modules
Divided wl1271 driver to wl1271 "core" and wl1271_spi modules in preparation
of integration of the SDIO implementation.
Signed-off-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Teemu Paasikivi [Mon, 22 Feb 2010 06:38:25 +0000 (08:38 +0200)]
wl1271: Removed wl1271_spi.h and made some functions static
Removed wl1271_spi.h header as there's no more need to access functions
declared there outside of wl1271_spi.c. Also made those SPI access
functions static.
Signed-off-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Teemu Paasikivi [Mon, 22 Feb 2010 06:38:24 +0000 (08:38 +0200)]
wl1271: Inlined IO functions
Changed IO functions to static inline.
Signed-off-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Teemu Paasikivi [Mon, 22 Feb 2010 06:38:23 +0000 (08:38 +0200)]
wl1271: Implemented abstraction of IO functions.
Changed the driver to use if_ops structure to abstract access to the IO
layer (SPI or SDIO).
Signed-off-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Teemu Paasikivi [Mon, 22 Feb 2010 06:38:22 +0000 (08:38 +0200)]
wl1271: Added functions to enable/disable interrupt handling
Added/moved enable and disable interrupt handling functions.
Signed-off-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Teemu Paasikivi [Mon, 22 Feb 2010 06:38:21 +0000 (08:38 +0200)]
wl1271: Moved module basics to wl1271_spi.c
Moved wl1271 drivers probe, remove etc. functions and structres to
wl1271_spi.c from wl1271_main.c in preparation of implementing SDIO interface.
Signed-off-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Christian Lamparter [Fri, 19 Feb 2010 21:34:39 +0000 (22:34 +0100)]
p54: Enable HW_REPORTS_TX_ACK_STATUS
P54 devices always generate a full tx_status report
(ACK, PSM, rate control, etc..) for every xmitted frame.
Therefore, I think The driver qualifies for the
REPORTS_TX_ACK_STATUS hardware feature flag.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Pavel Roskin [Fri, 19 Feb 2010 01:28:41 +0000 (20:28 -0500)]
ath5k: move ath5k_hw_register_timeout() into reset.c
ath5k_hw_register_timeout() was duplicated between phy.c and reset.c.
Since it is too big and too much used to be an inline function, move it
away from the ath5k.h header into reset.c. Remove _ATH5K_RESET and
_ATH5K_PHY defines.
Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Pavel Roskin [Fri, 19 Feb 2010 01:28:23 +0000 (20:28 -0500)]
ath5k: remove useless "extern" from function declarations
Adjust formatting of the affected lines to satisfy checkpatch.pl.
Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Pavel Roskin [Fri, 19 Feb 2010 01:28:02 +0000 (20:28 -0500)]
ath5k: remove stale function declarations, make some functions static
Remove all unnecessary function declarations from ath5k.h. Comment out
unused functions. Remove ath5k_hw_get_tsf32(), which is too trivial to
be commented out. Make functions static if suggested by sparse. Make
ath5k_pm_ops static.
Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Wed, 17 Feb 2010 20:27:26 +0000 (21:27 +0100)]
mac80211: deprecate RX status noise
The noise value as is won't be used, isn't
filled by most drivers and doesn't really
make a whole lot of sense on a per packet
basis -- proper cfg80211 survey support in
mac80211 will need to be different.
Mark the struct member as deprecated so it
will be removed from drivers.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Helmut Schaa [Wed, 3 Mar 2010 16:42:55 +0000 (17:42 +0100)]
rt2x00: Export rt2x00soc_probe from rt2x00soc
Export rt2x00soc_probe from rt2x00soc as it is used in rt2800pci.
Otherwise loading rt2800pci gives "rt2800pci: Unknown symbol
rt2x00soc_probe".
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Sujith [Mon, 1 Mar 2010 09:12:57 +0000 (14:42 +0530)]
mac80211: Fix HT rate control configuration
Handling HT configuration changes involved setting the channel
with the new HT parameters and then issuing a rate_update()
notification to the driver.
This behavior changed after the off-channel changes. Now, the channel
is not updated with the new HT params in enable_ht() - instead, it
is now done when the scan work terminates. This results in the driver
depending on stale information, defaulting to non-HT mode always.
Fix this by passing the new channel type to the driver.
Cc: stable@kernel.org
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Fri, 29 Jan 2010 19:54:56 +0000 (11:54 -0800)]
iwlwifi: load firmware asynchronously before mac80211 registration
At the wireless summit in Portland we discussed a way of
loading firmware asynchronously from ->probe() before
registration to mac80211, in order to register with the
wireless subsystems with complete information in cases
where firmware is required to know parameters.
This is not yet the case in iwlwifi, but for some new
features we're working on it will be the case since
those will only be supported by new firmware images.
Hence, to start with, convert iwlwifi to load firmware
asynchronously from probe, unbinding the device when
firmware loading fails, and only registering with the
wireless subsystems after firmware has been loaded
successfully.
Future patches will hook into this to register the
new firmware capabilities, depending on the firmware
API version.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Wed, 23 Dec 2009 12:15:30 +0000 (13:15 +0100)]
ar9170: load firmware asynchronously
This converts ar9170 to load firmware asynchronously
out of ->probe() and only register with mac80211 when
all firmware has been loaded successfully. If, on the
other hand, any firmware fails to load, it will now
unbind from the device.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Helmut Schaa [Tue, 2 Mar 2010 15:34:49 +0000 (16:34 +0100)]
rt2x00: fix rt2800pci compilation with SoC
Compiling rt2800pci with CONFIG_RT2800PCI_SOC fails with "... rt2880pci.c:
error: incompatible type for argument 2 of 'rt2x00soc_probe'".
Fix this by using &rt2800pci_ops instead of rt2800pci_ops.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Bryan Polk [Mon, 1 Mar 2010 17:23:28 +0000 (12:23 -0500)]
rt2x00: Add USB ID for CEIVA adapter to rt73usb
This adds support for CEIVA USB wireless adapters to the rt73usb driver.
Signed-off-by: Bryan Polk <sainth@eidolons.org>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Jouni Malinen [Sun, 28 Feb 2010 10:13:46 +0000 (12:13 +0200)]
mac80211: Fix reassociation processing (within ESS roaming)
Commit
e1dd33f60ced091114e4aacf141e0d03b88d3e13 changed cfg80211 to
allow association commands while in associated state to enable support
for roaming within an ESS. However, this was not enough to resolve all
cases with mac80211 which needs some additional handling of the
reassociation case to clear internal state with the BSS that was in use
previously.
This patch makes ieee80211_mgd_assoc() accept a valid reassociation
command and clean the association state with the previous BSS. This
fixes roaming between BSSes in an ESS when using wpa_supplicant with
-Dnl80211.
Signed-off-by: Jouni Malinen <j@w1.fi>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Ming Lei [Sat, 27 Feb 2010 16:56:24 +0000 (00:56 +0800)]
ath9k: fix lockdep warning when unloading module
Since txq->axq_lock may be hold in softirq context, it must be
acquired with spin_lock_bh() instead of spin_lock() if softieq is
enabled.
The patch fixes the lockdep warning below when unloading ath9k modules.
=================================
[ INFO: inconsistent lock state ]
2.6.33-wl #12
---------------------------------
inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage.
rmmod/3642 [HC0[0]:SC0[0]:HE1:SE1] takes:
(&(&txq->axq_lock)->rlock){+.?...}, at: [<
ffffffffa03568c3>] ath_tx_node_cleanup+0x62/0x180 [ath9k]
{IN-SOFTIRQ-W} state was registered at:
[<
ffffffff8107577d>] __lock_acquire+0x2f6/0xd35
[<
ffffffff81076289>] lock_acquire+0xcd/0xf1
[<
ffffffff813a7486>] _raw_spin_lock_bh+0x3b/0x6e
[<
ffffffffa0356b49>] spin_lock_bh+0xe/0x10 [ath9k]
[<
ffffffffa0358ec7>] ath_tx_tasklet+0xcd/0x391 [ath9k]
[<
ffffffffa0354f5f>] ath9k_tasklet+0x70/0xc8 [ath9k]
[<
ffffffff8104e601>] tasklet_action+0x8c/0xf4
[<
ffffffff8104f459>] __do_softirq+0xf8/0x1cd
[<
ffffffff8100ab1c>] call_softirq+0x1c/0x30
[<
ffffffff8100c2cf>] do_softirq+0x4b/0xa3
[<
ffffffff8104f045>] irq_exit+0x4a/0x8c
[<
ffffffff813acccc>] do_IRQ+0xac/0xc3
[<
ffffffff813a7d53>] ret_from_intr+0x0/0x16
[<
ffffffff81302d52>] cpuidle_idle_call+0x9e/0xf8
[<
ffffffff81008be7>] cpu_idle+0x62/0x9d
[<
ffffffff81391c1a>] rest_init+0x7e/0x80
[<
ffffffff818bbd38>] start_kernel+0x3e8/0x3f3
[<
ffffffff818bb2bc>] x86_64_start_reservations+0xa7/0xab
[<
ffffffff818bb3b8>] x86_64_start_kernel+0xf8/0x107
irq event stamp: 42037
hardirqs last enabled at (42037): [<
ffffffff813a7b21>] _raw_spin_unlock_irqrestore+0x47/0x56
hardirqs last disabled at (42036): [<
ffffffff813a72f4>] _raw_spin_lock_irqsave+0x2b/0x88
softirqs last enabled at (42000): [<
ffffffffa0353ea6>] spin_unlock_bh+0xe/0x10 [ath9k]
softirqs last disabled at (41998): [<
ffffffff813a7463>] _raw_spin_lock_bh+0x18/0x6e
other info that might help us debug this:
4 locks held by rmmod/3642:
#0: (rtnl_mutex){+.+.+.}, at: [<
ffffffff8132c10d>] rtnl_lock+0x17/0x19
#1: (&wdev->mtx){+.+.+.}, at: [<
ffffffffa01e53f2>] cfg80211_netdev_notifier_call+0x28d/0x46d [cfg80211]
#2: (&ifmgd->mtx){+.+.+.}, at: [<
ffffffffa0260834>] ieee80211_mgd_deauth+0x3f/0x17e [mac80211]
#3: (&local->sta_mtx){+.+.+.}, at: [<
ffffffffa025a381>] sta_info_destroy_addr+0x2b/0x5e [mac80211]
stack backtrace:
Pid: 3642, comm: rmmod Not tainted 2.6.33-wl #12
Call Trace:
[<
ffffffff81074469>] valid_state+0x178/0x18b
[<
ffffffff81014f94>] ? save_stack_trace+0x2f/0x4c
[<
ffffffff81074e08>] ? check_usage_backwards+0x0/0x88
[<
ffffffff8107458f>] mark_lock+0x113/0x230
[<
ffffffff810757f1>] __lock_acquire+0x36a/0xd35
[<
ffffffff8101018d>] ? native_sched_clock+0x2d/0x5f
[<
ffffffffa03568c3>] ? ath_tx_node_cleanup+0x62/0x180 [ath9k]
[<
ffffffff81076289>] lock_acquire+0xcd/0xf1
[<
ffffffffa03568c3>] ? ath_tx_node_cleanup+0x62/0x180 [ath9k]
[<
ffffffff810732eb>] ? trace_hardirqs_off+0xd/0xf
[<
ffffffff813a7193>] _raw_spin_lock+0x36/0x69
[<
ffffffffa03568c3>] ? ath_tx_node_cleanup+0x62/0x180 [ath9k]
[<
ffffffffa03568c3>] ath_tx_node_cleanup+0x62/0x180 [ath9k]
[<
ffffffff810749ed>] ? trace_hardirqs_on+0xd/0xf
[<
ffffffffa0353950>] ath9k_sta_remove+0x22/0x26 [ath9k]
[<
ffffffffa025a08f>] __sta_info_destroy+0x1ad/0x38c [mac80211]
[<
ffffffffa025a394>] sta_info_destroy_addr+0x3e/0x5e [mac80211]
[<
ffffffffa02605d6>] ieee80211_set_disassoc+0x175/0x180 [mac80211]
[<
ffffffffa026084d>] ieee80211_mgd_deauth+0x58/0x17e [mac80211]
[<
ffffffff813a60c1>] ? __mutex_lock_common+0x37f/0x3a4
[<
ffffffffa01e53f2>] ? cfg80211_netdev_notifier_call+0x28d/0x46d [cfg80211]
[<
ffffffffa026786e>] ieee80211_deauth+0x1e/0x20 [mac80211]
[<
ffffffffa01f47f9>] __cfg80211_mlme_deauth+0x130/0x13f [cfg80211]
[<
ffffffffa01e53f2>] ? cfg80211_netdev_notifier_call+0x28d/0x46d [cfg80211]
[<
ffffffff810732eb>] ? trace_hardirqs_off+0xd/0xf
[<
ffffffffa01f7eee>] __cfg80211_disconnect+0x111/0x189 [cfg80211]
[<
ffffffffa01e5433>] cfg80211_netdev_notifier_call+0x2ce/0x46d [cfg80211]
[<
ffffffff813aa9ea>] notifier_call_chain+0x37/0x63
[<
ffffffff81068c98>] raw_notifier_call_chain+0x14/0x16
[<
ffffffff81322e97>] call_netdevice_notifiers+0x1b/0x1d
[<
ffffffff8132386d>] dev_close+0x6a/0xa6
[<
ffffffff8132395f>] rollback_registered_many+0xb6/0x2f4
[<
ffffffff81323bb8>] unregister_netdevice_many+0x1b/0x66
[<
ffffffffa026494f>] ieee80211_remove_interfaces+0xc5/0xd0 [mac80211]
[<
ffffffffa02580a2>] ieee80211_unregister_hw+0x47/0xe8 [mac80211]
[<
ffffffffa035290e>] ath9k_deinit_device+0x7a/0x9b [ath9k]
[<
ffffffffa035bc26>] ath_pci_remove+0x38/0x76 [ath9k]
[<
ffffffff8120940a>] pci_device_remove+0x2d/0x51
[<
ffffffff8129d797>] __device_release_driver+0x7b/0xd1
[<
ffffffff8129d885>] driver_detach+0x98/0xbe
[<
ffffffff8129ca7a>] bus_remove_driver+0x94/0xb7
[<
ffffffff8129ddd6>] driver_unregister+0x6c/0x74
[<
ffffffff812096d2>] pci_unregister_driver+0x46/0xad
[<
ffffffffa035bae1>] ath_pci_exit+0x15/0x17 [ath9k]
[<
ffffffffa035e1a2>] ath9k_exit+0xe/0x2f [ath9k]
[<
ffffffff8108050a>] sys_delete_module+0x1c7/0x236
[<
ffffffff813a7df5>] ? retint_swapgs+0x13/0x1b
[<
ffffffff810749b5>] ? trace_hardirqs_on_caller+0x119/0x144
[<
ffffffff8109b9f6>] ? audit_syscall_entry+0x11e/0x14a
[<
ffffffff81009bb2>] system_call_fastpath+0x16/0x1b
wlan1: deauthenticating from 00:23:cd:e1:f9:b2 by local choice (reason=3)
PM: Removing info for No Bus:wlan1
cfg80211: Calling CRDA to update world regulatory domain
PM: Removing info for No Bus:rfkill2
PM: Removing info for No Bus:phy1
ath9k 0000:16:00.0: PCI INT A disabled
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Dan Carpenter [Sat, 27 Feb 2010 06:12:34 +0000 (09:12 +0300)]
zd1211rw: fix potential array underflow
The first chunk fixes a debugging assert to print a warning about array underflows.
The second chunk corrects a potential array underflow. I also removed an assert
in the second chunk because it can no longer happen.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Benoit Papillault <benoit.papillault@free.fr>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Matthew Garrett [Tue, 16 Feb 2010 21:36:25 +0000 (16:36 -0500)]
rfkill: Add support for KEY_RFKILL
Add support for handling KEY_RFKILL in the rfkill input module. This
simply toggles the state of all rfkill devices. The comment in rfkill.h
is also updated to reflect that RFKILL_TYPE_ALL may be used inside the
kernel.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Stanislaw Gruszka [Fri, 26 Feb 2010 14:10:28 +0000 (15:10 +0100)]
airo: return from set_wep_key() when key length is zero
Even if keylen == 0 is a bug and should not really happen, better avoid
possibility of passing bad value to firmware.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Jiri Pirko [Tue, 2 Mar 2010 11:57:33 +0000 (03:57 -0800)]
virtio_net: remove forgotten assignment
This is no longer needed. I missed to remove this in
567ec874d15b478c8eda7e9a5d2dcb05f13f1fb5 ("net: convert multiple
drivers to use netdev_for_each_mc_addr, part6")
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sathya Perla [Tue, 2 Mar 2010 11:56:39 +0000 (03:56 -0800)]
be2net: fix tx completion polling
In tx/mcc polling, napi_complete() is being incorrectly called
before reaping tx completions. This can cause tx compl processing
to be scheduled on another cpu concurrently which can result in a panic.
This if fixed by calling napi complete() after tx/mcc compl processing
but before re-enabling interrupts (via a cq notify).
Signed-off-by: Sathya Perla <sathyap@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Herton Ronaldo Krzesinski [Tue, 2 Mar 2010 11:44:41 +0000 (03:44 -0800)]
sis190: fix cable detect via link status poll
Some sis190 devices don't report LinkChange, so do polling for
link status.
Fixes http://bugzilla.kernel.org/show_bug.cgi?id=11926
Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eric Dumazet [Mon, 1 Mar 2010 03:09:26 +0000 (03:09 +0000)]
net: fix protocol sk_buff field
Commit
e992cd9b72a18 (kmemcheck: make bitfield annotations truly no-ops
when disabled) allows us to revert a workaround we did in the past to
not add holes in sk_buff structure.
This patch partially reverts commit
14d18a81b5171
(net: fix kmemcheck annotations) so that sparse doesnt complain:
include/linux/skbuff.h:357:41: error: invalid bitfield specifier for
type restricted __be16.
Reported-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sridhar Samudrala [Mon, 1 Mar 2010 09:53:04 +0000 (09:53 +0000)]
bridge: Fix build error when IGMP_SNOOPING is not enabled
Fix the following build error when IGMP_SNOOPING is not enabled.
In file included from net/bridge/br.c:24:
net/bridge/br_private.h: In function 'br_multicast_is_router':
net/bridge/br_private.h:361: error: 'struct net_bridge' has no member named 'multicast_router'
net/bridge/br_private.h:362: error: 'struct net_bridge' has no member named 'multicast_router'
net/bridge/br_private.h:363: error: 'struct net_bridge' has no member named 'multicast_router_timer'
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Mon, 1 Mar 2010 03:23:06 +0000 (19:23 -0800)]
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts:
drivers/firmware/iscsi_ibft.c
Vladislav Zolotarov [Sun, 28 Feb 2010 00:12:02 +0000 (00:12 +0000)]
bnx2x: Tx barriers and locks
[Resending with the proper subject. Sorry for the mess. ]
This patch is based on the RFC of Stanislaw Gruszka.
More specifically it fixes two possible races:
- One, described by Stanislaw, may lead to permanent disabling of the Tx
queue.
This is fixed by adding the smp_wmb() to propagate the BD consumer
change towards the memory.
- Second may lead to bnx2x_start_xmit() returning NETDEV_TX_BUSY.
This is fixed by taking a tx_lock() before rechecking the number of
available Tx BDs.
thanks,
vlad
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eric W. Biederman [Sun, 28 Feb 2010 01:20:36 +0000 (01:20 +0000)]
scm: Only support SCM_RIGHTS on unix domain sockets.
We use scm_send and scm_recv on both unix domain and
netlink sockets, but only unix domain sockets support
everything required for file descriptor passing,
so error if someone attempts to pass file descriptors
over netlink sockets.
Cc: stable@kernel.org
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Sun, 28 Feb 2010 19:00:55 +0000 (11:00 -0800)]
Merge branch 'x86-uv-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, uv: Remove recursion in uv_heartbeat_enable()
x86, uv: uv_global_gru_mmr_address() macro fix
x86, uv: Add serial number parameter to uv_bios_get_sn_info()
Linus Torvalds [Sun, 28 Feb 2010 18:59:44 +0000 (10:59 -0800)]
Merge branch 'x86-ptrace-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'x86-ptrace-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, ptrace: Remove set_stopped_child_used_math() in [x]fpregs_set
x86, ptrace: Simplify xstateregs_get()
ptrace: Fix ptrace_regset() comments and diagnose errors specifically
parisc: Disable CONFIG_HAVE_ARCH_TRACEHOOK
ptrace: Add support for generic PTRACE_GETREGSET/PTRACE_SETREGSET
x86, ptrace: regset extensions to support xstate
Linus Torvalds [Sun, 28 Feb 2010 18:59:18 +0000 (10:59 -0800)]
Merge branch 'x86-pci-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'x86-pci-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: Enable NMI on all cpus on UV
vgaarb: Add user selectability of the number of GPUS in a system
vgaarb: Fix VGA arbiter to accept PCI domains other than 0
x86, uv: Update UV arch to target Legacy VGA I/O correctly.
pci: Update pci_set_vga_state() to call arch functions
Linus Torvalds [Sun, 28 Feb 2010 18:43:53 +0000 (10:43 -0800)]
Merge branch 'x86-setup-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'x86-setup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, setup: Don't skip mode setting for the standard VGA modes
x86-64, setup: Inhibit decompressor output if video info is invalid
x86, setup: When restoring the screen, update boot_params.screen_info
Linus Torvalds [Sun, 28 Feb 2010 18:41:35 +0000 (10:41 -0800)]
Merge branch 'x86-rwsem-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'x86-rwsem-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86-64, rwsem: Avoid store forwarding hazard in __downgrade_write
x86-64, rwsem: 64-bit xadd rwsem implementation
x86: Fix breakage of UML from the changes in the rwsem system
x86-64: support native xadd rwsem implementation
x86: clean up rwsem type system
Linus Torvalds [Sun, 28 Feb 2010 18:39:36 +0000 (10:39 -0800)]
Merge branch 'x86-numa-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'x86-numa-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, numa: Remove configurable node size support for numa emulation
x86, numa: Add fixed node size option for numa emulation
x86, numa: Fix numa emulation calculation of big nodes
x86, acpi: Map hotadded cpu to correct node.
Linus Torvalds [Sun, 28 Feb 2010 18:39:16 +0000 (10:39 -0800)]
Merge branch 'x86-mtrr-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'x86-mtrr-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: Convert set_atomicity_lock to raw_spinlock
x86, mtrr: Kill over the top warn
x86, mtrr: Constify struct mtrr_ops
Linus Torvalds [Sun, 28 Feb 2010 18:38:45 +0000 (10:38 -0800)]
Merge branch 'x86-mm-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, mm: Unify kernel_physical_mapping_init() API
x86, mm: Allow highmem user page tables to be disabled at boot time
x86: Do not reserve brk for DMI if it's not going to be used
x86: Convert tlbstate_lock to raw_spinlock
x86: Use the generic page_is_ram()
x86: Remove BIOS data range from e820
Move page_is_ram() declaration to mm.h
Generic page_is_ram: use __weak
resources: introduce generic page_is_ram()
Linus Torvalds [Sun, 28 Feb 2010 18:37:40 +0000 (10:37 -0800)]
Merge branch 'x86-io-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'x86-io-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: Merge io.h
x86: Simplify flush_write_buffers()
x86: Clean up mem*io functions.
x86-64: Use BUILDIO in io_64.h
x86-64: Reorganize io_64.h
x86-32: Remove _local variants of in/out from io_32.h
x86-32: Move XQUAD definitions to numaq.h
Linus Torvalds [Sun, 28 Feb 2010 18:37:06 +0000 (10:37 -0800)]
Merge branch 'x86-cpu-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, cacheinfo: Enable L3 CID only on AMD
x86, cacheinfo: Remove NUMA dependency, fix for AMD Fam10h rev D1
x86, cpu: Print AMD virtualization features in /proc/cpuinfo
x86, cacheinfo: Calculate L3 indices
x86, cacheinfo: Add cache index disable sysfs attrs only to L3 caches
x86, cacheinfo: Fix disabling of L3 cache indices
intel-agp: Switch to wbinvd_on_all_cpus
x86, lib: Add wbinvd smp helpers
Linus Torvalds [Sun, 28 Feb 2010 18:36:48 +0000 (10:36 -0800)]
Merge branch 'x86-cleanups-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: Remove trailing spaces in messages
x86, mtrr: Remove unused mtrr/state.c
x86, trivial: Fix grammo in tsc comment about Geode TSC reliability
Linus Torvalds [Sun, 28 Feb 2010 18:35:09 +0000 (10:35 -0800)]
Merge branch 'x86-asm-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: Mark atomic irq ops raw for 32bit legacy
x86: Merge show_regs()
x86: Macroise x86 cache descriptors
x86-32: clean up rwsem inline asm statements
x86: Merge asm/atomic_{32,64}.h
x86: Sync asm/atomic_32.h and asm/atomic_64.h
x86: Split atomic64_t functions into seperate headers
x86-64: Modify memcpy()/memset() alternatives mechanism
x86-64: Modify copy_user_generic() alternatives mechanism
x86: Lift restriction on the location of FIX_BTMAP_*
x86, core: Optimize hweight32()
Linus Torvalds [Sun, 28 Feb 2010 18:31:01 +0000 (10:31 -0800)]
Merge branch 'sched-core-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (25 commits)
sched: Fix SCHED_MC regression caused by change in sched cpu_power
sched: Don't use possibly stale sched_class
kthread, sched: Remove reference to kthread_create_on_cpu
sched: cpuacct: Use bigger percpu counter batch values for stats counters
percpu_counter: Make __percpu_counter_add an inline function on UP
sched: Remove member rt_se from struct rt_rq
sched: Change usage of rt_rq->rt_se to rt_rq->tg->rt_se[cpu]
sched: Remove unused update_shares_locked()
sched: Use for_each_bit
sched: Queue a deboosted task to the head of the RT prio queue
sched: Implement head queueing for sched_rt
sched: Extend enqueue_task to allow head queueing
sched: Remove USER_SCHED
sched: Fix the place where group powers are updated
sched: Assume *balance is valid
sched: Remove load_balance_newidle()
sched: Unify load_balance{,_newidle}()
sched: Add a lock break for PREEMPT=y
sched: Remove from fwd decls
sched: Remove rq_iterator from move_one_task
...
Fix up trivial conflicts in kernel/sched.c
Linus Torvalds [Sun, 28 Feb 2010 18:23:41 +0000 (10:23 -0800)]
Merge branch 'sched-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
sched: Fix race between ttwu() and task_rq_lock()
sched: Fix SMT scheduler regression in find_busiest_queue()
sched: Fix sched_mv_power_savings for !SMT
kernel/sched.c: Suppress unused var warning
Linus Torvalds [Sun, 28 Feb 2010 18:20:25 +0000 (10:20 -0800)]
Merge branch 'perf-core-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (172 commits)
perf_event, amd: Fix spinlock initialization
perf_event: Fix preempt warning in perf_clock()
perf tools: Flush maps on COMM events
perf_events, x86: Split PMU definitions into separate files
perf annotate: Handle samples not at objdump output addr boundaries
perf_events, x86: Remove superflous MSR writes
perf_events: Simplify code by removing cpu argument to hw_perf_group_sched_in()
perf_events, x86: AMD event scheduling
perf_events: Add new start/stop PMU callbacks
perf_events: Report the MMAP pgoff value in bytes
perf annotate: Defer allocating sym_priv->hist array
perf symbols: Improve debugging information about symtab origins
perf top: Use a macro instead of a constant variable
perf symbols: Check the right return variable
perf/scripts: Tag syscall_name helper as not yet available
perf/scripts: Add perf-trace-python Documentation
perf/scripts: Remove unnecessary PyTuple resizes
perf/scripts: Add syscall tracing scripts
perf/scripts: Add Python scripting engine
perf/scripts: Remove check-perf-trace from listed scripts
...
Fix trivial conflict in tools/perf/util/probe-event.c
Linus Torvalds [Sun, 28 Feb 2010 18:17:55 +0000 (10:17 -0800)]
Merge branch 'tracing-core-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'tracing-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (28 commits)
ftrace: Add function names to dangling } in function graph tracer
tracing: Simplify memory recycle of trace_define_field
tracing: Remove unnecessary variable in print_graph_return
tracing: Fix typo of info text in trace_kprobe.c
tracing: Fix typo in prof_sysexit_enable()
tracing: Remove CONFIG_TRACE_POWER from kernel config
tracing: Fix ftrace_event_call alignment for use with gcc 4.5
ftrace: Remove memory barriers from NMI code when not needed
tracing/kprobes: Add short documentation for HAVE_REGS_AND_STACK_ACCESS_API
s390: Add pt_regs register and stack access API
tracing/kprobes: Make Kconfig dependencies generic
tracing: Unify arch_syscall_addr() implementations
tracing: Add notrace to TRACE_EVENT implementation functions
ftrace: Allow to remove a single function from function graph filter
tracing: Add correct/incorrect to sort keys for branch annotation output
tracing: Simplify test for function_graph tracing start point
tracing: Drop the tr check from the graph tracing path
tracing: Add stack dump to trace_printk if stacktrace option is set
tracing: Use appropriate perl constructs in recordmcount.pl
tracing: optimize recordmcount.pl for offsets-handling
...
Linus Torvalds [Sun, 28 Feb 2010 18:15:31 +0000 (10:15 -0800)]
Merge branch 'oprofile-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'oprofile-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
oprofile/x86: fix msr access to reserved counters
oprofile/x86: use kzalloc() instead of kmalloc()
oprofile/x86: fix perfctr nmi reservation for mulitplexing
oprofile/x86: add comment to counter-in-use warning
oprofile/x86: warn user if a counter is already active
oprofile/x86: implement randomization for IBS periodic op counter
oprofile/x86: implement lsfr pseudo-random number generator for IBS
oprofile/x86: implement IBS cpuid feature detection
oprofile/x86: remove node check in AMD IBS initialization
oprofile/x86: remove OPROFILE_IBS config option
oprofile: remove EXPERIMENTAL from the config option description
oprofile: remove tracing build dependency
Linus Torvalds [Sun, 28 Feb 2010 18:13:16 +0000 (10:13 -0800)]
Merge branch 'core-rcu-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (44 commits)
rcu: Fix accelerated GPs for last non-dynticked CPU
rcu: Make non-RCU_PROVE_LOCKING rcu_read_lock_sched_held() understand boot
rcu: Fix accelerated grace periods for last non-dynticked CPU
rcu: Export rcu_scheduler_active
rcu: Make rcu_read_lock_sched_held() take boot time into account
rcu: Make lockdep_rcu_dereference() message less alarmist
sched, cgroups: Fix module export
rcu: Add RCU_CPU_STALL_VERBOSE to dump detailed per-task information
rcu: Fix rcutorture mod_timer argument to delay one jiffy
rcu: Fix deadlock in TREE_PREEMPT_RCU CPU stall detection
rcu: Convert to raw_spinlocks
rcu: Stop overflowing signed integers
rcu: Use canonical URL for Mathieu's dissertation
rcu: Accelerate grace period if last non-dynticked CPU
rcu: Fix citation of Mathieu's dissertation
rcu: Documentation update for CONFIG_PROVE_RCU
security: Apply lockdep-based checking to rcu_dereference() uses
idr: Apply lockdep-based diagnostics to rcu_dereference() uses
radix-tree: Disable RCU lockdep checking in radix tree
vfs: Abstract rcu_dereference_check for files-fdtable use
...
Linus Torvalds [Sun, 28 Feb 2010 18:04:02 +0000 (10:04 -0800)]
Merge branches 'core-ipi-for-linus', 'core-locking-for-linus', 'tracing-fixes-for-linus', 'x86-debug-for-linus', 'x86-doc-for-linus', 'x86-gpu-for-linus' and 'x86-rlimit-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'core-ipi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
generic-ipi: Optimize accesses by using DEFINE_PER_CPU_SHARED_ALIGNED for IPI data
* 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
plist: Fix grammar mistake, and c-style mistake
* 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
kprobes: Add mcount to the kprobes blacklist
* 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86_64: Print modules like i386 does
* 'x86-doc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: Put 'nopat' in kernel-parameters
* 'x86-gpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86-64: Allow fbdev primary video code
* 'x86-rlimit-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: Use helpers for rlimits
Sridhar Samudrala [Sun, 28 Feb 2010 17:39:16 +0000 (19:39 +0200)]
vhost-net: restart tx poll on sk_sndbuf full
guest to remote communication with vhost net sometimes stops until
guest driver is restarted. This happens when we get guest kick precisely
when the backend send queue is full, as a result handle_tx() returns without
polling backend. This patch fixes this by restarting tx poll on this condition.
Signed-off-by: Sridhar Samudrala <samudrala@us.ibm.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Tom Lendacky <toml@us.ibm.com>
Michael S. Tsirkin [Tue, 23 Feb 2010 09:25:23 +0000 (11:25 +0200)]
vhost: fix get_user_pages_fast error handling
get_user_pages_fast returns number of pages on success, negative value
on failure, but never 0. Fix vhost code to match this logic.
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Michael S. Tsirkin [Tue, 23 Feb 2010 09:23:45 +0000 (11:23 +0200)]
vhost: initialize log eventfd context pointer
vq log eventfd context pointer needs to be initialized, otherwise
operation may fail or oops if log is enabled but log eventfd not set by
userspace. When log_ctx for device is created, it is copied to the vq.
This reset was missing.
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Michael S. Tsirkin [Wed, 17 Feb 2010 17:11:33 +0000 (19:11 +0200)]
vhost: logging thinko fix
vhost was dong some complex math to get
offset to log at, and got it wrong by a couple of bytes,
while in fact it's simple: get address where we write,
subtract start of buffer, add log base.
Do it this way.
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Jiri Pirko [Sat, 27 Feb 2010 07:35:45 +0000 (07:35 +0000)]
wireless: convert to use netdev_for_each_mc_addr
also added missed locking in rndis_wlan.c
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jeff Garzik [Fri, 26 Feb 2010 21:43:38 +0000 (21:43 +0000)]
ethtool: do not set some flags, if others failed
NETIF_F_NTUPLE flag setting introduced a bug: non-ntuple flags
like LRO may be successfully set, before ioctl(2) returns failure
to userspace.
The set-flags operation should be all-or-none, rather than leaving
things in an inconsistent state prior to reporting failure to
userspace.
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jiri Pirko [Sat, 27 Feb 2010 12:07:33 +0000 (12:07 +0000)]
ipoib: returned back addrlen check for mc addresses
Apparently bogus mc address can break IPOIB multicast processing. Therefore
returning the check for addrlen back until this is resolved in bonding (I don't
see any other point from where mc address with non-dev->addr_len length can came
from).
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Masatake YAMATO [Sat, 27 Feb 2010 19:45:37 +0000 (19:45 +0000)]
netlink: Adding inode field to /proc/net/netlink
The Inode field in /proc/net/{tcp,udp,packet,raw,...} is useful to know the types of
file descriptors associated to a process. Actually lsof utility uses the field.
Unfortunately, unlike /proc/net/{tcp,udp,packet,raw,...}, /proc/net/netlink doesn't have the field.
This patch adds the field to /proc/net/netlink.
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ken Kawasaki [Sat, 27 Feb 2010 13:34:20 +0000 (13:34 +0000)]
axnet_cs: add new id
axnet_cs:
add new id (corega PCC-TXM)
Signed-off-by: Ken Kawasaki <ken_kawasaki@spring.nifty.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Sun, 28 Feb 2010 08:57:28 +0000 (00:57 -0800)]
Merge branch 'master' of git://git./linux/kernel/git/holtmann/bluetooth-next-2.6
David S. Miller [Sun, 28 Feb 2010 08:51:42 +0000 (00:51 -0800)]
bridge: Make IGMP snooping depend upon BRIDGE.
Signed-off-by: David S. Miller <davem@davemloft.net>
Herbert Xu [Sat, 27 Feb 2010 19:41:52 +0000 (19:41 +0000)]
bridge: Add multicast count/interval sysfs entries
This patch allows the user to the IGMP parameters related to the
snooping function of the bridge. This includes various time
values and retransmission limits.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Herbert Xu [Sat, 27 Feb 2010 19:41:51 +0000 (19:41 +0000)]
bridge: Add hash elasticity/max sysfs entries
This patch allows the user to control the hash elasticity/max
parameters. The elasticity setting does not take effect until
the next new multicast group is added. At which point it is
checked and if after rehashing it still can't be satisfied then
snooping will be disabled.
The max setting on the other hand takes effect immediately. It
must be a power of two and cannot be set to a value less than the
current number of multicast group entries. This is the only way
to shrink the multicast hash.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Herbert Xu [Sat, 27 Feb 2010 19:41:50 +0000 (19:41 +0000)]
bridge: Add multicast_snooping sysfs toggle
This patch allows the user to disable IGMP snooping completely
through a sysfs toggle. It also allows the user to reenable
snooping when it has been automatically disabled due to hash
collisions. If the collisions have not been resolved however
the system will refuse to reenable snooping.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Herbert Xu [Sat, 27 Feb 2010 19:41:49 +0000 (19:41 +0000)]
bridge: Add multicast_router sysfs entries
This patch allows the user to forcibly enable/disable ports as
having multicast routers attached. A port with a multicast router
will receive all multicast traffic.
The value 0 disables it completely. The default is 1 which lets
the system automatically detect the presence of routers (currently
this is limited to picking up queries), and 2 means that the port
will always receive all multicast traffic.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Herbert Xu [Sat, 27 Feb 2010 19:41:48 +0000 (19:41 +0000)]
bridge: Add multicast data-path hooks
This patch finally hooks up the multicast snooping module to the
data path. In particular, all multicast packets passing through
the bridge are fed into the module and switched by it.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Herbert Xu [Sun, 28 Feb 2010 08:49:38 +0000 (00:49 -0800)]
bridge: Add multicast start/stop hooks
This patch hooks up the bridge start/stop and add/delete/disable
port functions to the new multicast module.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Herbert Xu [Sat, 27 Feb 2010 19:41:46 +0000 (19:41 +0000)]
bridge: Add multicast forwarding functions
This patch adds code to perform selective multicast forwarding.
We forward multicast traffic to a set of ports plus all multicast
router ports. In order to avoid duplications among these two
sets of ports, we order all ports by the numeric value of their
pointers. The two lists are then walked in lock-step to eliminate
duplicates.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Herbert Xu [Sat, 27 Feb 2010 19:41:45 +0000 (19:41 +0000)]
bridge: Add core IGMP snooping support
This patch adds the core functionality of IGMP snooping support
without actually hooking it up. So this patch should be a no-op
as far as the bridge's external behaviour is concerned.
All the new code and data is controlled by the Kconfig option
BRIDGE_IGMP_SNOOPING. A run-time toggle is also available.
The multicast switching is done using an hash table that is
lockless on the read-side through RCU. On the write-side the
new multicast_lock is used for all operations. The hash table
supports dynamic growth/rehashing.
The hash table will be rehashed if any chain length exceeds a
preset limit. If rehashing does not reduce the maximum chain
length then snooping will be disabled.
These features may be added in future (in no particular order):
* IGMPv3 source support
* Non-querier router detection
* IPv6
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Herbert Xu [Sat, 27 Feb 2010 19:41:43 +0000 (19:41 +0000)]
bridge: Split may_deliver/deliver_clone out of br_flood
This patch moves the main loop body in br_flood into the function
may_deliver. The code that clones an skb and delivers it is moved
into the deliver_clone function.
This allows this to be reused by the future multicast forward
function.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Herbert Xu [Sat, 27 Feb 2010 19:41:42 +0000 (19:41 +0000)]
bridge: Use BR_INPUT_SKB_CB on xmit path
this patch makes BR_INPUT_SKB_CB available on the xmit path so
that we could avoid passing the br pointer around for the purpose
of collecting device statistics.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Herbert Xu [Sat, 27 Feb 2010 19:41:41 +0000 (19:41 +0000)]
bridge: Avoid unnecessary clone on forward path
When the packet is delivered to the local bridge device we may
end up cloning it unnecessarily if no bridge port can receive
the packet in br_flood.
This patch avoids this by moving the skb_clone into br_flood.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Herbert Xu [Sat, 27 Feb 2010 19:41:40 +0000 (19:41 +0000)]
bridge: Allow tail-call on br_pass_frame_up
This patch allows tail-call on the call to br_pass_frame_up
in br_handle_frame_finish. This is now possible because of the
previous patch to call br_pass_frame_up last.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Herbert Xu [Sat, 27 Feb 2010 19:41:39 +0000 (19:41 +0000)]
bridge: Do br_pass_frame_up after other ports
At the moment we deliver to the local bridge port via the function
br_pass_frame_up before all other ports. There is no requirement
for this.
For the purpose of IGMP snooping, it would be more convenient if
we did the local port last. Therefore this patch rearranges the
bridge input processing so that the local bridge port gets to see
the packet last (if at all).
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Johann Felix Soden [Mon, 15 Feb 2010 21:23:48 +0000 (22:23 +0100)]
Bluetooth: Fix out of scope variable access in hci_sock_cmsg()
The pointer data can point to the variable ctv.
Access to data happens when ctv is already out of scope.
Signed-off-by: Johann Felix Soden <johfel@users.sourceforge.net>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Matt Carlson [Fri, 26 Feb 2010 14:04:45 +0000 (14:04 +0000)]
tg3: Remove now useless VPD code
Now that the VPD searching code is abstracted away, the outer loop used
to detect the read-only large resource data type section is useless.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Matt Carlson [Fri, 26 Feb 2010 14:04:44 +0000 (14:04 +0000)]
bnx2: Remove now useless VPD code
Now that the VPD searching code is abstracted away, the outer loop used
to detect the read-only large resource data type section is useless.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Matt Carlson [Fri, 26 Feb 2010 14:04:43 +0000 (14:04 +0000)]
pci: Add helper to search for VPD keywords
This patch adds the pci_vpd_find_info_keyword() helper function to
find information field keywords within read-only and read-write large
resource data type sections.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Matt Carlson [Fri, 26 Feb 2010 14:04:42 +0000 (14:04 +0000)]
pci: Add VPD information field helper functions
This patch adds a preprocessor constant to describe the PCI VPD
information field header size and an inline function to extract the
size of the information field itself.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Matt Carlson [Fri, 26 Feb 2010 14:04:41 +0000 (14:04 +0000)]
pci: Add helper to find a VPD resource data type
This patch adds the pci_vpd_find_tag() helper function to find VPD
resource data types in a buffer.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Matt Carlson [Fri, 26 Feb 2010 14:04:40 +0000 (14:04 +0000)]
pci: Add large and small resource data type code
This patch introduces more VPD preprocessor definitions to identify some
small and large resource data type item names. The patch then continues
to correct how the tg3 and bnx2 drivers search for the "read-only data"
large resource data type.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Matt Carlson [Fri, 26 Feb 2010 14:04:39 +0000 (14:04 +0000)]
pci: Add PCI LRDT tag size and section size
This patch adds a preprocessor constant to describe the PCI VPD large
resource data type tag size and an inline function to extract the large
resource section size from the large resource data type tag.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Sun, 28 Feb 2010 00:22:47 +0000 (16:22 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/geert/linux-m68k
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: (24 commits)
m68k: Define sigcontext ABI of ColdFire
m68knommu: NPTL support for uClinux
m68k: Add NPTL support
m68k: Eliminate unused variable in page_to_phys()
m68k: Switch to generic siginfo layout
macfb: fix 24-bit visual and stuff
macfb: cleanup
fbdev: add some missing mac modes
mac68k: start CUDA early
valkyriefb: various fixes
fbdev: mac_var_to_mode() fix
mac68k: move macsonic and macmace platform devices
mac68k: move mac_esp platform device
mac68k: replace mac68k SCC code with platform device
pmac-zilog: add platform driver
pmac-zilog: cleanup
mac68k: rework SWIM platform device
mac68k: cleanup
ataflop: Killl warning about unused variable flags
m68k: Use DIV_ROUND_CLOSEST
...
Linus Torvalds [Sun, 28 Feb 2010 00:20:17 +0000 (16:20 -0800)]
Merge branch 'for-linus' of git://git390.marist.edu/linux-2.6
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (35 commits)
[S390] time: remove unused code
[S390] zcore: Add prefix registers to dump header
[S390] correct vdso version string
[S390] add support for compressed kernels
[S390] Define new s390 ELF note sections in elf.h
[S390] codepage conversion of kernel parameter line
[S390] seq_file: convert drivers/s390/
[S390] add z9-ec/z10 instruction to kernel disassembler
[S390] dasd: correct offline processing
[S390] dasd: fix refcounting.
[S390] dasd: fix online/offline race
[S390] use kprobes_built_in() in mm/fault code
[S390] bug: use relative pointers in bug table entries
[S390] Cleanup struct _lowcore usage and defines.
[S390] free_initmem: reduce code duplication
[S390] Replace ENOTSUPP usage with EOPNOTSUPP
[S390] spinlock: check virtual cpu running status
[S390] sysinfo: fix SYSIB 3,2,2 structure
[S390] add MACHINE_IS_LPAR flag
[S390] qdio: optimize cache line usage of struct qdio_irq
...
Linus Torvalds [Sun, 28 Feb 2010 00:19:22 +0000 (16:19 -0800)]
Merge branch 'upstream' of git://ftp.linux-mips.org/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (141 commits)
MIPS: Alchemy: defconfig updates
MIPS: Alchemy: Fix Au1100 ethernet build failure
MIPS: Alchemy: Repair db1500/bosporus builds
MIPS: ARC: Cleanup unused definitions from sgialib.h
MIPS: Cobalt: convert legacy port addresses to GT-64111 bus addresses
MIPS: Alchemy: use 36bit addresses for PCMCIA resources.
MIPS: Cobalt: Fix theoretical port aliasing issue
MIPS: Use ALIGN(x, bytes) instead of __ALIGN_MASK(x, bytes - 1)
MIPS: Crazy spinlock speed test.
MIPS: Optimize spinlocks.
MIPS: Alchemy: devboard PM needs to save CPLD registers.
MIPS: PowerTV: Eliminate duplicate opcode definition macros
MIPS: Lemote 2F: Move printks out of port_access_lock.
MIPS: PNX833x: Convert IRQ controller locks to raw spinlocks.
MIPS: Octeon: Replace spinlock with raw_spinlocks in dma-octeon.c.
MIPS: Octeon: Replace rwlocks in irq_chip handlers with raw_spinlocks.
MIPS: Octeon: Convert octeon_irq_msi_lock to raw spinlock.
MIPS: Loongson: Remove pointless sample_lock from oprofile code.
MIPS: SNI: Convert sni_rm200_i8259A_lock to raw spinlock.
MIPS: i8259: Convert IRQ controller lock to raw spinlock.
...
Linus Torvalds [Sun, 28 Feb 2010 00:18:30 +0000 (16:18 -0800)]
Merge git://git./linux/kernel/git/brodo/pcmcia-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6: (49 commits)
pcmcia: validate late-added resources
pcmcia: allow for extension of resource interval
pcmcia: remove useless msleep in ds.c
pcmcia: use read_cis_mem return value
pcmcia: handle error in serial_cs config calls
pcmcia: add locking to pcmcia_{read,write}_cis_mem
pcmcia: avoid prod_id memleak
pcmcia: avoid sysfs-related lockup for cardbus
pcmcia: use state machine for extended requery
pcmcia: delay re-scanning and re-querying of PCMCIA bus
pcmcia: use pccardd to handle eject, insert, suspend and resume requests
pcmcia: use ops_mutex for rsrc_{mgr,nonstatic} locking
pcmcia: use mutex for dynid lock
pcmcia: assert locking to struct pcmcia_device
pcmcia: add locking documentation
pcmcia: simplify locking
pcmcia: add locking to struct pcmcia_socket->pcmcia_state()
pcmcia: protect s->device_count
pcmcia: properly lock skt->irq, skt->irq_mask
pcmcia: lock ops->set_socket
...
Linus Torvalds [Sat, 27 Feb 2010 21:26:18 +0000 (13:26 -0800)]
Merge branch 'next' of git://git./linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (88 commits)
powerpc: Fix lwsync feature fixup vs. modules on 64-bit
powerpc: Convert pmc_owner_lock to raw_spinlock
powerpc: Convert die.lock to raw_spinlock
powerpc: Convert tlbivax_lock to raw_spinlock
powerpc: Convert mpic locks to raw_spinlock
powerpc: Convert pmac_pic_lock to raw_spinlock
powerpc: Convert big_irq_lock to raw_spinlock
powerpc: Convert feature_lock to raw_spinlock
powerpc: Convert i8259_lock to raw_spinlock
powerpc: Convert beat_htab_lock to raw_spinlock
powerpc: Convert confirm_error_lock to raw_spinlock
powerpc: Convert ipic_lock to raw_spinlock
powerpc: Convert native_tlbie_lock to raw_spinlock
powerpc: Convert beatic_irq_mask_lock to raw_spinlock
powerpc: Convert nv_lock to raw_spinlock
powerpc: Convert context_lock to raw_spinlock
powerpc/85xx: Add NOR, LEDs and PIB support for MPC8568E-MDS boards
powerpc/86xx: Enable VME driver on the GE SBC610
powerpc/86xx: Enable VME driver on the GE PPC9A
powerpc/86xx: Add MSI section to GE PPC9A DTS
...
Maxim Kuvyrkov [Tue, 22 Sep 2009 21:22:43 +0000 (01:22 +0400)]
m68k: Define sigcontext ABI of ColdFire
The following patch defines sigcontext ABI of ColdFire. Due to ISA
restrictions ColdFire needs different rt_sigreturn trampoline.
And due to ColdFire FP registers being 8-bytes instead of 12-bytes on
m68k, sigcontext and fpregset structures should be updated.
Regarding the sc_fpstate[16+6*8] field, it would've been enough 16
bytes to store ColdFire's FP state. To accomodate GLIBC's libSegFault
it would'be been enough 6*8 bytes (room for the 6 non-call-clobbered
FP registers). I set it to 16+6*8 to provide some extra space for any
future changes in the ColdFire FPU.
Signed-off-by: Maxim Kuvyrkov <maxim@codesourcery.com>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Maxim Kuvyrkov [Sun, 6 Dec 2009 18:08:14 +0000 (10:08 -0800)]
m68knommu: NPTL support for uClinux
Port syscalls for NPTL support to m68knommu.
Signed-off-by: Maxim Kuvyrkov <maxim@codesourcery.com>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Maxim Kuvyrkov [Mon, 7 Dec 2009 08:24:27 +0000 (00:24 -0800)]
m68k: Add NPTL support
This patch adds several syscalls, that provide necessary
functionality to support NPTL on m68k/ColdFire.
The syscalls are get_thread_area, set_thread_area, atomic_cmpxchg_32 and
atomic_barrier.
The cmpxchg syscall is required for ColdFire as it doesn't support 'cas'
instruction.
Also a ptrace call PTRACE_GET_THREAD_AREA is added to allow debugger to
inspect the TLS storage.
Signed-off-by: Maxim Kuvyrkov <maxim@codesourcery.com>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Geert Uytterhoeven [Tue, 12 Jan 2010 07:32:18 +0000 (08:32 +0100)]
m68k: Eliminate unused variable in page_to_phys()
"pgdat" is unused, so we can eliminate it and turn page_to_phys()
into a single-line macro.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Maxim Kuvyrkov [Wed, 23 Dec 2009 19:28:42 +0000 (11:28 -0800)]
m68k: Switch to generic siginfo layout
This patch switches m68k to generic siginfo layout. The custom layout
of m68k's `struct siginfo' had several issues due to not considering
aliasing of members in the union, e.g., _uid32 was at different offsets
in ._kill, ._rt and ._sigchld.
Signed-off-by: Maxim Kuvyrkov <maxim@codesourcery.com>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>