GitHub/MotorolaMobilityLLC/kernel-slsi.git
15 years agoath9k: Remove unused variables in struct ath_beacon_config
Sujith [Tue, 3 Mar 2009 04:46:59 +0000 (10:16 +0530)]
ath9k: Remove unused variables in struct ath_beacon_config

We don't store the beacon timestamp internally, nor
do we do any TIM handling in ath9k.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoath9k: Lock config_interface() callback with a mutex
Sujith [Tue, 3 Mar 2009 04:46:57 +0000 (10:16 +0530)]
ath9k: Lock config_interface() callback with a mutex

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoath9k: Handle TSF properly for AP mode
Sujith [Tue, 3 Mar 2009 04:46:56 +0000 (10:16 +0530)]
ath9k: Handle TSF properly for AP mode

The TSF has to be reset only once, upon bringing
the interface up in AP mode. For any beacon reconfigure calls
after that, resetting the TSF results in incorrect beacon generation.
The only exception is a change in the beacon interval,
which is indicated to the driver by mac80211 through
IEEE80211_CONF_CHANGE_BEACON_INTERVAL, handle this properly.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoath9k: Split beacon configuration into mode specific routines
Sujith [Tue, 3 Mar 2009 04:46:54 +0000 (10:16 +0530)]
ath9k: Split beacon configuration into mode specific routines

This makes the code easier to understand.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoath9k: Cleanup beacon stuck processing
Sujith [Tue, 3 Mar 2009 04:46:53 +0000 (10:16 +0530)]
ath9k: Cleanup beacon stuck processing

We never use SC_OP_NO_RESET, it is not configurable at all.
Remove all code that deals with this flag and make beacon
stuck processing simple.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoath9k: Scrub beacon.c
Sujith [Tue, 3 Mar 2009 04:46:51 +0000 (10:16 +0530)]
ath9k: Scrub beacon.c

Remove useless comments, fix indentation.
Also, remove all occurrences of ASSERT(vif) which are not needed.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoath9k: Use new scan notifiers from mac80211
Sujith [Tue, 3 Mar 2009 04:46:45 +0000 (10:16 +0530)]
ath9k: Use new scan notifiers from mac80211

The only use case for this right now is ANI calibration,
but more might come up in the future.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agomac80211: Update IBSS beacon timestamp properly
Sujith [Tue, 3 Mar 2009 04:45:10 +0000 (10:15 +0530)]
mac80211: Update IBSS beacon timestamp properly

In IBSS mode, the beacon timestamp has to be filled with the
BSS's timestamp when joining, and set to zero when creating
a new BSS.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoath5k: Set TSF fix
Alina Friedrichsen [Mon, 2 Mar 2009 22:29:48 +0000 (23:29 +0100)]
ath5k: Set TSF fix

The old code doesn't work correctly e.g. on newer chipsets like AR5418+AR2122 and AR5416+AR2133.

Signed-off-by: Alina Friedrichsen <x-alina@gmx.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoath9k: Set TSF fix
Alina Friedrichsen [Mon, 2 Mar 2009 22:28:38 +0000 (23:28 +0100)]
ath9k: Set TSF fix

The old code doesn't work correctly e.g. on newer chipsets like AR5418+AR2122 and AR5416+AR2133.

Signed-off-by: Alina Friedrichsen <x-alina@gmx.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agob43: Pass more RX flags to mac80211
Michael Buesch [Mon, 2 Mar 2009 22:18:37 +0000 (23:18 +0100)]
b43: Pass more RX flags to mac80211

This changes the RX handler to pass more status flags to mac80211.
It also changes part of the drop policy, if bad frames were requested. (Note that
currently mac80211 will throw a WARN_ON in that case. But nothing bad will happen).

This also removes some obsolete unused timestamping code.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoath9k: Fix FIF_BCN_PRBRESP_PROMISC handling
Alina Friedrichsen [Mon, 2 Mar 2009 22:13:40 +0000 (23:13 +0100)]
ath9k: Fix FIF_BCN_PRBRESP_PROMISC handling

So that a new created IBSS network
doesn't break on the first scan.

It seems to Sujith and me that this
stupid code unnecessary, too.

So remove it...

Signed-off-by: Alina Friedrichsen <x-alina@gmx.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoath9k: Handle power modes in isr for power save.
Vivek Natarajan [Mon, 2 Mar 2009 14:55:14 +0000 (20:25 +0530)]
ath9k: Handle power modes in isr for power save.

Restore network sleep mode in isr if power save is enabled.

Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoath9k: Fill in rate_update mac80211 callback
Sujith [Mon, 2 Mar 2009 07:59:45 +0000 (13:29 +0530)]
ath9k: Fill in rate_update mac80211 callback

This callback can be used to handle dynamic 20/40,
and changes in the operating channel's HT parameters.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agomac80211: Always send a null data frame if TIM bit is set.
Vivek Natarajan [Mon, 2 Mar 2009 14:50:30 +0000 (20:20 +0530)]
mac80211: Always send a null data frame if TIM bit is set.

If the AP thinks we are in power save state eventhough we are not truly
in that state, it sets the TIM bit and does not send a data frame unless
we send a null data frame to correct the state in the AP.
This might happen if the null data frame for wake up is lost in the air
after we disable power save.

Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoath9k: Remove unused key xoring
Jouni Malinen [Mon, 2 Mar 2009 16:15:53 +0000 (18:15 +0200)]
ath9k: Remove unused key xoring

This is not used anywhere in ath9k and is just making the code more
confusing.

Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoath9k: Document keycache operations
Jouni Malinen [Mon, 2 Mar 2009 13:06:31 +0000 (15:06 +0200)]
ath9k: Document keycache operations

There are number of small details about the keycache operations that
are very easy to miss (and forget), so better include detailed
comments in ath9k_hw_set_keycache_entry() to avoid having to figure
out this every time when having to touch this area.

Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agomac80211: Fix TKIP/WEP HT capability handling
Sujith [Mon, 2 Mar 2009 07:58:31 +0000 (13:28 +0530)]
mac80211: Fix TKIP/WEP HT capability handling

There is no need to parse the AP's HT capabilities if
the STA uses TKIP/WEP cipher. This allows the rate control
module to choose the correct(legacy) rate table.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoiwlwifi: reduce stack size
Frank Seidel [Sun, 1 Mar 2009 19:25:38 +0000 (20:25 +0100)]
iwlwifi: reduce stack size

Reduce stack memory footprint of iwlwifi.
(From >1000 bytes for each *_table_read
on i386 down to 32)

Signed-off-by: Frank Seidel <frank@f-seidel.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agort2x00: Fix SW antenna diversity
Ivo van Doorn [Sun, 1 Mar 2009 16:42:00 +0000 (17:42 +0100)]
rt2x00: Fix SW antenna diversity

Software antenna tuning is broken because of an function
ordering problem during rt2x00link_tuner().

rt2x00link_precalculate_signal()
rt2x00leds_led_quality()
rt2x00lib_antenna_diversity()

rt2x00link_precalculate_signal() will reset the quality TX/RX counters,
however rt2x00lib_antenna_diversity() requires the RX counter to
see what RSSI value must be used for a particular antenna.
We can't change the ordering since rt2x00lib_antenna_diversity() might
reset other statistics which are needed by the function called earlier.

Move the reset of the quality TX/RX counters into a seperate function
and move the call to after rt2x00lib_antenna_diversity().

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoiwl3945 : use iwl_activate_qos
Abhijeet Kolekar [Sat, 28 Feb 2009 00:21:24 +0000 (16:21 -0800)]
iwl3945 : use iwl_activate_qos

3945 can use iwl_activate_qos instead of iwl3945_activate_qos.
Patch does two things
1) Patch adds iwl_activate_qos in core library.
2) 3945 makes use of iwl_activate_qos.

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoiwl3945: add iwl3945_setup_mac
Abhijeet Kolekar [Sat, 28 Feb 2009 00:21:23 +0000 (16:21 -0800)]
iwl3945: add iwl3945_setup_mac

Patch does following,
1) mac80211's shared data is now initialized in iwl3945_setup_mac.
2) Set the rfkill to right state after initialization

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoiwlwifi: fix *pci_probe error flow
Reinette Chatre [Sat, 28 Feb 2009 00:21:22 +0000 (16:21 -0800)]
iwlwifi: fix *pci_probe error flow

for iwlagn:
- Have to free eeprom of version check fails - otherwise we end up with
  memory leak.
- Include removal of workqueue (created in _setup_deferred_work) in error
  handling.

for iwl3945:
- Fix a few places to jump to correct error handling.
- Reorganize error handling to match with code flow.
- Include iwl_free_channel_map as part of error handling.
- Include releasing eeprom as part of error handling.

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoiwl3945: unify set key flow with iwlwifi
Abhijeet Kolekar [Sat, 28 Feb 2009 00:21:21 +0000 (16:21 -0800)]
iwl3945: unify set key flow with iwlwifi

unify the set key flow with iwlwifi.

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Acked-by: Samuel Ortiz <samuel.ortiz@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoiwl3945: synchronize timestamp with uCode
Abhijeet Kolekar [Sat, 28 Feb 2009 00:21:20 +0000 (16:21 -0800)]
iwl3945: synchronize timestamp with uCode

In IBSS, TSF maintains local clock counters at each station. Network
Synchronization follows a completely distributed scheme where beacon frames
are generated. Each station maintain its own TSF timestamp, extracted from
beacon timestamps they recieved. Following patch synchronize this beacon timestamp
with uCode.

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoiwlwifi: update 5150 API version to support new firmware
Jay Sternberg [Sat, 28 Feb 2009 00:21:19 +0000 (16:21 -0800)]
iwlwifi: update 5150 API version to support new firmware

update API to support new numbering that is used for other newer devices.
5150 ucode has not been released yet, so the first released API will be v2.
For those who do have a v1 API the driver does have backward compatibility
support new value of REPLY_TX_POWER_DBM_CMD

Signed-off-by: Jay Sternberg <jay.e.sternberg@linux.intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agomac80211: Fix quality reporting for wireless stats
Johannes Berg [Fri, 27 Feb 2009 22:33:55 +0000 (16:33 -0600)]
mac80211: Fix quality reporting for wireless stats

Since "mac80211/cfg80211: move iwrange handler to cfg80211", the
results for link quality from "iwlist scan" and "iwconfig" commands
have been very different. The results are now consistent.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Reported- and tested-by: Larry Finger <larry.finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agossb: Add SPROM fallback support
Michael Buesch [Fri, 27 Feb 2009 15:59:05 +0000 (16:59 +0100)]
ssb: Add SPROM fallback support

This adds SSB functionality to register a fallback SPROM image from the
architecture setup code.

Weird architectures exist that have half-assed SSB devices without SPROM attached to
their PCI busses. The architecture can register a fallback SPROM image that is
used if no SPROM is found on the SSB device.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Cc: Florian Fainelli <florian@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agomac80211: Notify the driver only when the beacon interval changes
Sujith [Fri, 27 Feb 2009 04:14:00 +0000 (09:44 +0530)]
mac80211: Notify the driver only when the beacon interval changes

Currently, the driver is unconditionally notified of beacon
interval. This is a problem in AP mode, because the driver has
to know that the beacon interval has actualy changed to recalculate
TBTT and reset the HW TSF. Fix this to make mac80211 notify the driver
only when the beacon interval has been reconfigured to a new value.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoath5k: fix hw rate index condition
Jiri Slaby [Thu, 26 Feb 2009 22:44:31 +0000 (23:44 +0100)]
ath5k: fix hw rate index condition

Make sure we print out a warning when the index is out of bounds,
i.e. even on hw_rix == AR5K_MAX_RATES.

Also change to WARN and print text with the reported hw_rix.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Nick Kossifidis <mickflemm@gmail.com>
Cc: Luis R. Rodriguez <lrodriguez@atheros.com>
Cc: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoath9k: Fix hw crypto configuration for TKIP in AP mode
Jouni Malinen [Thu, 26 Feb 2009 09:18:46 +0000 (11:18 +0200)]
ath9k: Fix hw crypto configuration for TKIP in AP mode

Incorrect Michael MIC key (RX, should have been TX) was set for the
group key in AP mode. This resulted in all broadcast frames triggering
Michael MIC errors and eventual TKIP countermeasures. The change here
sets the correct Michael MIC key based on whether the local end is the
authenticator (well, AP for now).

Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Tested-by: Pat Erley <pat-lkml@erley.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoairo: reduce stack memory footprint
Frank Seidel [Wed, 25 Feb 2009 14:39:57 +0000 (15:39 +0100)]
airo: reduce stack memory footprint

Applying kernel janitors todos (reduce stack
footprint where possible) to airo wireless driver.
(Before 1124 bytes on i386, now 876)

Signed-off-by: Frank Seidel <frank@f-seidel.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agowireless, wavelan: spin off by 1
Roel Kluin [Wed, 25 Feb 2009 12:35:34 +0000 (13:35 +0100)]
wireless, wavelan: spin off by 1

spin can reach -1 after the loop, so 0 is still success.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoath9k: Remove ununsed ack duration stuff with long/short preamble
Vasanthakumar Thiagarajan [Wed, 25 Feb 2009 04:58:23 +0000 (10:28 +0530)]
ath9k: Remove ununsed ack duration stuff with long/short preamble

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoath9k: Configure Power control register appropriately for h/w with 4k eeprom
Vasanthakumar Thiagarajan [Wed, 25 Feb 2009 04:58:22 +0000 (10:28 +0530)]
ath9k: Configure Power control register appropriately for h/w with 4k eeprom

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agozd1211rw: Implement get_tsf()
Alina Friedrichsen [Tue, 24 Feb 2009 23:49:18 +0000 (00:49 +0100)]
zd1211rw: Implement get_tsf()

This patch implements get_tsf() of ieee80211_ops in the zd1211rw driver.

Signed-off-by: Alina Friedrichsen <x-alina@gmx.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoath9k: Add module parameter to disable hardware crypto
Jouni Malinen [Tue, 24 Feb 2009 11:42:01 +0000 (13:42 +0200)]
ath9k: Add module parameter to disable hardware crypto

nohwcrypt=1 module parameter can now be used to disable hardware
crypto in ath9k. While the hardware acceleration handles most cases,
it may be useful to be able to force mac80211 software implementation
to be used for some tests, e.g., with virtual interface combinations
that may not yet be supported in the key cache configuration. In
addition, this allows management frame protection to be tested with
older hardware revisions.

Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
15 years agoMerge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
David S. Miller [Thu, 5 Mar 2009 10:06:47 +0000 (02:06 -0800)]
Merge branch 'master' of /linux/kernel/git/davem/net-2.6

Conflicts:
drivers/net/tokenring/tmspci.c
drivers/net/ucc_geth_mii.c

15 years agobonding: Fix device passed into ->ndo_neigh_setup().
Patrick McHardy [Thu, 5 Mar 2009 09:57:44 +0000 (01:57 -0800)]
bonding: Fix device passed into ->ndo_neigh_setup().

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoMerge branch 'master' of /home/davem/src/GIT/linux-2.6/
David S. Miller [Thu, 5 Mar 2009 07:59:54 +0000 (23:59 -0800)]
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/

15 years agovlan: Fix vlan-in-vlan crashes.
David S. Miller [Thu, 5 Mar 2009 07:46:25 +0000 (23:46 -0800)]
vlan: Fix vlan-in-vlan crashes.

As analyzed by Patrick McHardy, vlan needs to reset it's
netdev_ops pointer in it's ->init() function but this
leaves the compat method pointers stale.

Add a netdev_resync_ops() and call it from the vlan code.

Any other driver which changes ->netdev_ops after register_netdevice()
will need to call this new function after doing so too.

With help from Patrick McHardy.

Tested-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonet: Fix missing dev->neigh_setup in register_netdevice().
David S. Miller [Thu, 5 Mar 2009 07:01:02 +0000 (23:01 -0800)]
net: Fix missing dev->neigh_setup in register_netdevice().

Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agotmspci: fix request_irq race
Meelis Roos [Wed, 4 Mar 2009 04:59:41 +0000 (04:59 +0000)]
tmspci: fix request_irq race

Currently, tmspci tokenring driver crashes on device initialization
because it requests its irq before initializing corresponding data
structures. Fix this by moving request_irq call to a safer place.

Signed-off-by: Meelis Roos <mroos@linux.ee>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agosfc: Improve NIC internal error recovery
Ben Hutchings [Wed, 4 Mar 2009 10:01:57 +0000 (10:01 +0000)]
sfc: Improve NIC internal error recovery

Make the error count a per-NIC variable.
Reset this the count after an hour if it has not reached the critical value.
Set the critical value back to 5.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agosfc: Fix search for flush completion events
Ben Hutchings [Wed, 4 Mar 2009 10:01:15 +0000 (10:01 +0000)]
sfc: Fix search for flush completion events

When flushing queues we disable normal interrupt and event handling and
poll event queue 0 looking for flush completions.  Unfortunately the
flush event polling loop fails to move past any other type of event.
This problem has not been observed in production hardware but appears to
be a possibility.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agosfc: Don't wake TX queues while they're being flushed
Ben Hutchings [Wed, 4 Mar 2009 09:53:15 +0000 (09:53 +0000)]
sfc: Don't wake TX queues while they're being flushed

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agosfc: Clear I2C adapter structure in falcon_remove_nic()
Ben Hutchings [Wed, 4 Mar 2009 09:53:02 +0000 (09:53 +0000)]
sfc: Clear I2C adapter structure in falcon_remove_nic()

i2c_del_adapter() leaves dangling pointers in the structure.  If we
retry the NIC probe and pass the structure to i2c_add_adapter() again
it will lead to an oops unless we clear it first.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agosfc: Clean up properly on reset failure paths
Ben Hutchings [Wed, 4 Mar 2009 09:52:52 +0000 (09:52 +0000)]
sfc: Clean up properly on reset failure paths

If MAC switching fails, stop the port properly.

If PHY reinitialisation fails, clear the port_initialized flag.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agosfc: Reject packets from the kernel TX queue during a loopback self-test
Ben Hutchings [Wed, 4 Mar 2009 09:52:37 +0000 (09:52 +0000)]
sfc: Reject packets from the kernel TX queue during a loopback self-test

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agosfc: Fix efx_ethtool_nway_result() to use clause 45 MDIO registers
Ben Hutchings [Wed, 4 Mar 2009 09:51:12 +0000 (09:51 +0000)]
sfc: Fix efx_ethtool_nway_result() to use clause 45 MDIO registers

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agopkt_sched: act_police: Fix a rate estimator test.
Jarek Poplawski [Thu, 5 Mar 2009 01:38:10 +0000 (17:38 -0800)]
pkt_sched: act_police: Fix a rate estimator test.

A commit c1b56878fb68e9c14070939ea4537ad4db79ffae "tc: policing requires
a rate estimator" introduced a test which invalidates previously working
configs, based on examples from iproute2: doc/actions/actions-general.
This is too rigorous: a rate estimator is needed only when police's
"avrate" option is used.

Reported-by: Joao Correia <joaomiguelcorreia@gmail.com>
Diagnosed-by: John Dykstra <john.dykstra1@gmail.com>
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agotg3: Fix 5906 link problems
Matt Carlson [Wed, 25 Feb 2009 14:21:20 +0000 (14:21 +0000)]
tg3: Fix 5906 link problems

Commit 6833c043f9fc03696fde623914c4a0277df2a0bc introduced the phy
auto-powerdown capability.  While the APD feature only works for 5761
and 5784 asic revisions, the (harmless portion of the) code was applied
to all 5705 and newer devices.  However, the 5906 phy departs from the
usual design.  This commit was interfering with the 5906's ability to
negotiate link against some switches.  This patch corrects the problem.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoMerge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Linus Torvalds [Wed, 4 Mar 2009 15:49:07 +0000 (07:49 -0800)]
Merge branch 'merge' of git://git./linux/kernel/git/benh/powerpc

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc: Run sbc610 USB fixup code only on the appropriate platform.

15 years agodrm: fix double lock typo
Helge Bahmann [Wed, 4 Mar 2009 11:49:14 +0000 (21:49 +1000)]
drm: fix double lock typo

[airlied: you shall not retype patches from other trees half asleep]

Signed-of-by: Dave Airlie <airlied@redhat.com>
15 years agoSCTP: change sctp_ctl_sock_init() to try IPv4 if IPv6 fails
Brian Haley [Wed, 4 Mar 2009 11:20:26 +0000 (03:20 -0800)]
SCTP: change sctp_ctl_sock_init() to try IPv4 if IPv6 fails

Change sctp_ctl_sock_init() to try IPv4 if IPv6 socket registration
fails.  Required if the IPv6 module is loaded with "disable=1", else
SCTP will fail to load.

Signed-off-by: Brian Haley <brian.haley@hp.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoIPv6: add "disable" module parameter support to ipv6.ko
Brian Haley [Wed, 4 Mar 2009 11:18:11 +0000 (03:18 -0800)]
IPv6: add "disable" module parameter support to ipv6.ko

Add "disable" module parameter support to ipv6.ko by specifying
"disable=1" on module load.  We just do the minimum of initializing
inetsw6[] so calls from other modules to inet6_register_protosw()
won't OOPs, then bail out.  No IPv6 addresses or sockets can be
created as a result, and a reboot is required to enable IPv6.

Signed-off-by: Brian Haley <brian.haley@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agosungem: another error printed one too early
Roel Kluin [Wed, 4 Mar 2009 08:08:39 +0000 (00:08 -0800)]
sungem: another error printed one too early

Another error was printed one too early.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoaoe: error printed 1 too early
Roel Kluin [Wed, 4 Mar 2009 08:07:57 +0000 (00:07 -0800)]
aoe: error printed 1 too early

with while (i-- > 0); i reaches -1 after the loop, so the test below is printed
one too early: 0 still means success.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonet pcmcia: worklimit reaches -1
Roel Kluin [Wed, 4 Mar 2009 08:05:56 +0000 (00:05 -0800)]
net pcmcia: worklimit reaches -1

with while (--worklimit >= 0); worklimit reaches -1 after the loop. In
3c589_cs.c this caused a warning not to be printed.

In 3c574_cs.c contrastingly, el3_rx() treats worklimit differently:

static int el3_rx(struct net_device *dev, int worklimit)
{
while (--worklimit >= 0) { ... }
return worklimit;
}

el3_rx() is only called by function el3_interrupt(): twice:

static irqreturn_t el3_interrupt(int irq, void *dev_id)
{
        int work_budget = max_interrupt_work;
while(...) {
if (...)
work_budget = el3_rx(dev, work_budget);
if (...)
work_budget = el3_rx(dev, work_budget);
if (--work_budget < 0) {
        ...
        break;
}
}
}
The error path can occur 2 too early.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonet: more timeouts that reach -1
Roel Kluin [Wed, 4 Mar 2009 08:11:42 +0000 (00:11 -0800)]
net: more timeouts that reach -1

with while (timeout-- > 0); timeout reaches -1 after the loop, so the tests
below are off by one. also don't do an '< 0' test on an unsigned.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoneigh: Allow for user space users of the neighbour table
Eric Biederman [Wed, 4 Mar 2009 08:03:08 +0000 (00:03 -0800)]
neigh: Allow for user space users of the neighbour table

Currently it is possible to do just about everything with the arp table
from user space except treat an entry like you are using it.  To that end
implement and a flag NTF_USE that when set in a netwlink update request
treats the neighbour table entry like the kernel does on the output path.

This allows user space applications to share the kernel's arp cache.

Signed-off-by: Eric Biederman <ebiederm@aristanetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoqlge: Add support for lost firmware events.
Ron Mercer [Tue, 3 Mar 2009 12:10:37 +0000 (12:10 +0000)]
qlge: Add support for lost firmware events.

When the firmware is issuing events to the driver the events
must be removed from the queue.  If the queue overflows, the
firmware will build and special event that captures those that
are lost.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoqlge: Save status from firmware crash (system err).
Ron Mercer [Tue, 3 Mar 2009 12:10:36 +0000 (12:10 +0000)]
qlge: Save status from firmware crash (system err).

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoqlge: Improve handling for firmware init failure.
Ron Mercer [Tue, 3 Mar 2009 12:10:35 +0000 (12:10 +0000)]
qlge: Improve handling for firmware init failure.

This event will arrive at boot time or after an
MPI processor reset if the firmware failed to initialize.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoqlge: Clean up event handler for firmware init.
Ron Mercer [Tue, 3 Mar 2009 12:10:34 +0000 (12:10 +0000)]
qlge: Clean up event handler for firmware init.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoqlge: Add worker-handler for firmware events.
Ron Mercer [Tue, 3 Mar 2009 12:10:33 +0000 (12:10 +0000)]
qlge: Add worker-handler for firmware events.

This worker and it's supporting routines are used for
IDC 'inter-device-communication' events that require
an ACK mailbox command be sent to allow completion
of the request. These requests are originated by
another function wanting to change some common
port paramters. Typical example would be:

1) Change max TX/RX frame size allowed.
2) Change pause parameters.
3) Change loopback mode.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoqlge: Clean up link up processing.
Ron Mercer [Tue, 3 Mar 2009 12:10:32 +0000 (12:10 +0000)]
qlge: Clean up link up processing.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoqlge: Clean up link down processing.
Ron Mercer [Tue, 3 Mar 2009 12:10:31 +0000 (12:10 +0000)]
qlge: Clean up link down processing.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoqlge: Add firmware support for insert/remove SFP.
Ron Mercer [Tue, 3 Mar 2009 12:10:30 +0000 (12:10 +0000)]
qlge: Add firmware support for insert/remove SFP.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonet: fix tokenring license
Meelis Roos [Wed, 4 Mar 2009 07:48:50 +0000 (23:48 -0800)]
net: fix tokenring license

Currently, modular tokenring ("tr") lacks a license and fails to load:

tr: module license 'unspecified' taints kernel.
tr: Unknown symbol proc_net_fops_create

Beacuse of this, no tokenring driver can load if it depends on modular
tr. Fix this by adding GPL module license as it is in the kernel.

With this fix, tr module loads fine and tms380 driver also loads. Well,
it does'nt work but that's a different bug.

Signed-off-by: Meelis Roos <mroos@linux.ee>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agodm9601: new vendor/product IDs
Peter Korsgaard [Wed, 4 Mar 2009 07:48:16 +0000 (23:48 -0800)]
dm9601: new vendor/product IDs

Add vendor/product IDs for new no name dm9601 compatible usb ethernet
adaptors.

Reported-by: Eric Lauriault <eric@linux.ca>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonetlink: invert error code in netlink_set_err()
Pablo Neira Ayuso [Wed, 4 Mar 2009 07:37:30 +0000 (23:37 -0800)]
netlink: invert error code in netlink_set_err()

The callers of netlink_set_err() currently pass a negative value
as parameter for the error code. However, sk->sk_err wants a
positive error value. Without this patch, skb_recv_datagram() called
by netlink_recvmsg() may return a positive value to report an error.

Another choice to fix this is to change callers to pass a positive
error value, but this seems a bit inconsistent and error prone
to me. Indeed, the callers of netlink_set_err() assumed that the
(usual) negative value for error codes was fine before this patch :).

This patch also includes some documentation in docbook format
for netlink_set_err() to avoid this sort of confusion.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoveth: Allow setting the L3 MTU
Eric Biederman [Wed, 4 Mar 2009 07:36:04 +0000 (23:36 -0800)]
veth: Allow setting the L3 MTU

The limitation to only 1500 byte mtu's limits the utility of the veth
device for testing routing.  So implement implement a configurable
MTU.

For consistency I drop packets on the receive side when they are
larger than the MTU.  I count those drops.  And I allow
a little padding for vlan headers.

I also test the mtu when a new device is created with netlink
because that path currently bypasses the current mtu setting
code.

Signed-off-by: Eric Biederman <ebiederm@aristanetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agopowerpc: Run sbc610 USB fixup code only on the appropriate platform.
Tony Breeds [Tue, 3 Mar 2009 17:59:30 +0000 (17:59 +0000)]
powerpc: Run sbc610 USB fixup code only on the appropriate platform.

commit a969e76a7101bf5f3d369563df1ca1253dd6131b (powerpc: Correct USB
support for GE Fanuc SBC610) introduced a fixup for NEC usb controllers.
This fixup should only run on GEF SBC610 boards.

Fixes Fedora bug #486511.
(https://bugzilla.redhat.com/show_bug.cgi?id=486511)

Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
15 years agords: fix iband RDMA dependencies
Randy Dunlap [Wed, 4 Mar 2009 05:39:40 +0000 (21:39 -0800)]
rds: fix iband RDMA dependencies

Fix RDS Infiniband dependencies for RDMA so that these
build errors won't happen:

ERROR: "rdma_accept" [net/rds/rds.ko] undefined!
ERROR: "rdma_destroy_id" [net/rds/rds.ko] undefined!
ERROR: "rdma_connect" [net/rds/rds.ko] undefined!
ERROR: "rdma_destroy_qp" [net/rds/rds.ko] undefined!
ERROR: "rdma_listen" [net/rds/rds.ko] undefined!
ERROR: "rdma_notify" [net/rds/rds.ko] undefined!
ERROR: "rdma_create_id" [net/rds/rds.ko] undefined!
ERROR: "rdma_create_qp" [net/rds/rds.ko] undefined!
ERROR: "rdma_bind_addr" [net/rds/rds.ko] undefined!
ERROR: "rdma_resolve_route" [net/rds/rds.ko] undefined!
ERROR: "rdma_disconnect" [net/rds/rds.ko] undefined!
ERROR: "rdma_reject" [net/rds/rds.ko] undefined!
ERROR: "rdma_resolve_addr" [net/rds/rds.ko] undefined!

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Andy Grover <andy.grover@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoLinux 2.6.29-rc7
Linus Torvalds [Wed, 4 Mar 2009 01:05:22 +0000 (17:05 -0800)]
Linux 2.6.29-rc7

15 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Linus Torvalds [Wed, 4 Mar 2009 01:05:08 +0000 (17:05 -0800)]
Merge git://git./linux/kernel/git/herbert/crypto-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: ixp4xx - Fix qmgr_request_queue build failure
  crypto: api - Fix module load deadlock with fallback algorithms

15 years agocrypto: ixp4xx - Fix qmgr_request_queue build failure
Krzysztof Hałasa [Wed, 4 Mar 2009 00:01:22 +0000 (08:01 +0800)]
crypto: ixp4xx - Fix qmgr_request_queue build failure

There is another user of IXP4xx queue manager, fix it.

Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
15 years agoMerge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Tue, 3 Mar 2009 22:33:20 +0000 (14:33 -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: don't allow setuid to succeed if the user does not have rt bandwidth
  sched_rt: don't start timer when rt bandwidth disabled

15 years agoMerge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Tue, 3 Mar 2009 22:32:55 +0000 (14:32 -0800)]
Merge branch 'x86-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86: oprofile: don't set counter width from cpuid on Core2
  x86: fix init_memory_mapping() to handle small ranges

15 years agoMerge branch 'tracing/mmiotrace' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Tue, 3 Mar 2009 22:32:37 +0000 (14:32 -0800)]
Merge branch 'tracing/mmiotrace' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'tracing/mmiotrace' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86 mmiotrace: fix race with release_kmmio_fault_page()
  x86 mmiotrace: improve handling of secondary faults
  x86 mmiotrace: split set_page_presence()
  x86 mmiotrace: fix save/restore page table state
  x86 mmiotrace: WARN_ONCE if dis/arming a page fails
  x86: add far read test to testmmiotrace
  x86: count errors in testmmiotrace.ko

15 years agoMerge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Tue, 3 Mar 2009 22:32:04 +0000 (14:32 -0800)]
Merge branch 'core-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  rcu: Teach RCU that idle task is not quiscent state at boot

15 years agoMerge master.kernel.org:/home/rmk/linux-2.6-arm
Linus Torvalds [Tue, 3 Mar 2009 22:12:41 +0000 (14:12 -0800)]
Merge master.kernel.org:/home/rmk/linux-2.6-arm

* master.kernel.org:/home/rmk/linux-2.6-arm:
  [ARM] fix lots of ARM __devexit sillyness
  [ARM] 5417/1: Set the correct cacheid for ARMv6 CPUs with ARMv7 style MMU
  [ARM] 5416/1: Use unused address in v6_early_abort
  [ARM] 5411/1: S3C64XX: Fix EINT unmask
  [ARM] at91: fix for Atmel AT91 powersaving
  [ARM] RiscPC: Fix etherh oops

15 years ago[ARM] fix lots of ARM __devexit sillyness
Russell King [Tue, 3 Mar 2009 13:43:47 +0000 (13:43 +0000)]
[ARM] fix lots of ARM __devexit sillyness

`iop_adma_remove' referenced in section `.data' of drivers/built-in.o: defined in discarded section `.devexit.text' of drivers/built-in.o
`mv_xor_remove' referenced in section `.data' of drivers/built-in.o: defined in discarded section `.devexit.text' of drivers/built-in.o
`mv64xxx_i2c_unmap_regs' referenced in section `.devinit.text' of drivers/built-in.o: defined in discarded section `.devexit.text' of drivers/built-in.o
`mv64xxx_i2c_remove' referenced in section `.data' of drivers/built-in.o: defined in discarded section `.devexit.text' of drivers/built-in.o
`orion_nand_remove' referenced in section `.data' of drivers/built-in.o: defined in discarded section `.devexit.text' of drivers/built-in.o
`pxafb_remove' referenced in section `.data' of drivers/built-in.o: defined in discarded section `.devexit.text' of drivers/built-in.o

Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
15 years ago[ARM] 5417/1: Set the correct cacheid for ARMv6 CPUs with ARMv7 style MMU
Catalin Marinas [Tue, 3 Mar 2009 10:44:12 +0000 (11:44 +0100)]
[ARM] 5417/1: Set the correct cacheid for ARMv6 CPUs with ARMv7 style MMU

The cacheid_init() function assumes that if cpu_architecture() returns
7, the caches are VIPT_NONALIASING. The cpu_architecture() function
returns the version of the supported MMU features (e.g. TEX remapping)
but it doesn't make any assumptions about the cache type. The patch adds
the checking of the Cache Type Register for the ARMv7 format.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
15 years ago[ARM] 5416/1: Use unused address in v6_early_abort
Seth Forshee [Mon, 2 Mar 2009 21:39:36 +0000 (22:39 +0100)]
[ARM] 5416/1: Use unused address in v6_early_abort

The target of the strex instruction to clear the exlusive monitor
is currently the top of the stack.  If the store succeeeds this
corrupts r0 in pt_regs.  Use the next stack location instead of
the current one to prevent any chance of corrupting an in-use
address.

Signed-off-by: Seth Forshee <seth.forshee@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
15 years agox86: oprofile: don't set counter width from cpuid on Core2
Tim Blechmann [Thu, 19 Feb 2009 16:34:03 +0000 (17:34 +0100)]
x86: oprofile: don't set counter width from cpuid on Core2

Impact: fix stuck NMIs and non-working oprofile on certain CPUs

Resetting the counter width of the performance counters on Intel's
Core2 CPUs, breaks the delivery of NMIs, when running in x86_64 mode.

This should fix bug #12395:

  http://bugzilla.kernel.org/show_bug.cgi?id=12395

Signed-off-by: Tim Blechmann <tim@klingt.org>
Signed-off-by: Robert Richter <robert.richter@amd.com>
LKML-Reference: <20090303100412.GC10085@erda.amd.com>
Cc: <stable@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
15 years agonetns: Remove net_alive
Eric W. Biederman [Sun, 22 Feb 2009 08:11:09 +0000 (00:11 -0800)]
netns: Remove net_alive

It turns out that net_alive is unnecessary, and the original problem
that led to it being added was simply that the icmp code thought
it was a network device and wound up being unable to handle packets
while there were still packets in the network namespace.

Now that icmp and tcp have been fixed to properly register themselves
this problem is no longer present and we have a stronger guarantee
that packets will not arrive in a network namespace then that provided
by net_alive in netif_receive_skb.  So remove net_alive allowing
packet reception run a little faster.

Additionally document the strong reason why network namespace cleanup
is safe so that if something happens again someone else will have
a chance of figuring it out.

Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agotcp: Like icmp use register_pernet_subsys
Eric W. Biederman [Sun, 22 Feb 2009 08:10:18 +0000 (00:10 -0800)]
tcp: Like icmp use register_pernet_subsys

To remove the possibility of packets flying around when network
devices are being cleaned up use reisger_pernet_subsys instead of
register_pernet_device.

Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Acked-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonetns: Fix icmp shutdown.
Eric W. Biederman [Sun, 22 Feb 2009 08:09:14 +0000 (00:09 -0800)]
netns: Fix icmp shutdown.

Recently I had a kernel panic in icmp_send during a network namespace
cleanup.  There were packets in the arp queue that failed to be sent
and we attempted to generate an ICMP host unreachable message, but
failed because icmp_sk_exit had already been called.

The network devices are removed from a network namespace and their
arp queues are flushed before we do attempt to shutdown subsystems
so this error should have been impossible.

It turns out icmp_init is using register_pernet_device instead
of register_pernet_subsys.  Which resulted in icmp being shut down
while we still had the possibility of packets in flight, making
a nasty NULL pointer deference in interrupt context possible.

Changing this to register_pernet_subsys fixes the problem in
my testing.

Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Acked-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonetns: fix addrconf_ifdown kernel panic
Daniel Lezcano [Tue, 3 Mar 2009 09:06:45 +0000 (01:06 -0800)]
netns: fix addrconf_ifdown kernel panic

When a network namespace is destroyed the network interfaces are
all unregistered, making addrconf_ifdown called by the netdevice
notifier.
In the other hand, the addrconf exit method does a loop on the network
devices and does addrconf_ifdown on each of them. But the ordering of
the netns subsystem is not right because it uses the register_pernet_device
instead of register_pernet_subsys. If we handle the loopback as
any network device, we can safely use register_pernet_subsys.

But if we use register_pernet_subsys, the addrconf exit method will do
exactly what was already done with the unregistering of the network
devices. So in definitive, this code is pointless.

I removed the netns addrconf exit method and moved the code to the
addrconf cleanup function.

Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoipv6: Fix sysctl unregistration deadlock
Stephen Hemminger [Thu, 26 Feb 2009 06:55:31 +0000 (06:55 +0000)]
ipv6: Fix sysctl unregistration deadlock

Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonet: Avoid race between network down and sysfs
Stephen Hemminger [Thu, 26 Feb 2009 06:49:24 +0000 (06:49 +0000)]
net: Avoid race between network down and sysfs

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonetxen: firmware download improvements
Dhananjay Phadke [Mon, 2 Mar 2009 16:02:17 +0000 (16:02 +0000)]
netxen: firmware download improvements

o set port mode after resetting device.
o prefer cut-through firmware (doesn't require on-card memory).
o load flashed firmware if newer.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonetxen: support larger dma addressing
Dhananjay Phadke [Mon, 2 Mar 2009 16:02:16 +0000 (16:02 +0000)]
netxen: support larger dma addressing

Support larger dma mask if firmware indicates capability
to handle larger addresses.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agox86: fix init_memory_mapping() to handle small ranges
Yinghai Lu [Tue, 3 Mar 2009 07:36:13 +0000 (23:36 -0800)]
x86: fix init_memory_mapping() to handle small ranges

Impact: fix failed EFI bootup in certain circumstances

Ying Huang found init_memory_mapping() has problem with small ranges
less than 2M when he tried to direct map the EFI runtime code out of
max_low_pfn_mapped.

It turns out we never considered that case and didn't check the range...

Reported-by: Ying Huang <ying.huang@intel.com>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Brian Maly <bmaly@redhat.com>
LKML-Reference: <49ACDDED.1060508@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
15 years agosctp: Fix broken RTO-doubling for data retransmits
Vlad Yasevich [Mon, 2 Mar 2009 09:46:14 +0000 (09:46 +0000)]
sctp: Fix broken RTO-doubling for data retransmits

Commit faee47cdbfe8d74a1573c2f81ea6dbb08d735be6
(sctp: Fix the RTO-doubling on idle-link heartbeats)
broke the RTO doubling for data retransmits.  If the
heartbeat was sent before the data T3-rtx time, the
the RTO will not double upon the T3-rtx expiration.
Distingish between the operations by passing an argument
to the function.

Additionally, Wei Youngjun pointed out that our treatment
of requested HEARTBEATS and timer HEARTBEATS is the same
wrt resetting congestion window.  That needs to be separated,
since user requested HEARTBEATS should not treat the link
as idle.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agosctp: use time_before or time_after for comparing jiffies
Wei Yongjun [Mon, 2 Mar 2009 09:46:13 +0000 (09:46 +0000)]
sctp: use time_before or time_after for comparing jiffies

The functions time_before or time_after are more robust
for comparing jiffies against other values.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agosctp: fix the length check in sctp_getsockopt_maxburst()
Wei Yongjun [Mon, 2 Mar 2009 09:46:12 +0000 (09:46 +0000)]
sctp: fix the length check in sctp_getsockopt_maxburst()

The code in sctp_getsockopt_maxburst() doesn't allow len to be larger
then struct sctp_assoc_value, which is a common case where app writers
just pass down the sizeof(buf) or something similar.

This patch fix the problem.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agosctp: remove dup code in net/sctp/socket.c
Wei Yongjun [Mon, 2 Mar 2009 09:46:11 +0000 (09:46 +0000)]
sctp: remove dup code in net/sctp/socket.c

Remove dup check of "if (optlen < sizeof(int))".

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>