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* wimax/i2400m: introduce module parameter to disable entering power saveInaky Perez-Gonzalez2009-06-11
| | | | | | | | | | | | | | | The i2400m driver waits for the device to report being ready for entering power save before asking it to do so. This module parameter allows control of said operation; if disabled, the driver won't ask the device to enter power save mode. This is useful in setups where power saving is not so important or when the overhead imposed by network reentry after power save is not acceptable; by combining this with parameter 'idle_mode_disabled', the driver will always maintain both the connection and the device in active state. Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
* atl1c: WAKE_MCAST tested twice, not WAKE_UCASTRoel Kluin2009-06-11
| | | | | | | | | | | The WAKE_MCAST bit is tested twice, the first should be WAKE_UCAST. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Cc: Jie Yang <jie.yang@atheros.com> Cc: Jay Cliburn <jcliburn@gmail.com> Cc: Chris Snook <csnook@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* de2104x: support for systems lacking cache coherenceRisto Suominen2009-06-11
| | | | | | | | | | | | | Add a configurable Descriptor Skip Length for systems that lack cache coherence. (akpm: I think this should be done as a module parameter, not a compile-tinme option) Signed-off-by: Risto Suominen <Risto.Suominen@gmail.com> Cc: Grant Grundler <grundler@parisc-linux.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* drivers/net/macvlan.c: fix cloning of tagged VLAN interfacessg.tweak@gmail.com2009-06-11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Addresses http://bugzilla.kernel.org/show_bug.cgi?id=13348 akpm: the reporter disappeared, so I typed it in again. It is not possible to make clone of tagged VLAN interface to be used as mac-based vlan interfave. How reproducible: Use any 802.1q tagged vlan interface, e.g. eth2.700 and clone it: ip link add link eth2.700 address 00:04:75:cb:38:09 macvlan0 type macvlan ip link set dev macvlan0 up ip addr add 10.195.1.1/24 dev macvlan0 So far, so good. Now try to ping anything via macvlan0: ping 10.195.1.2 Actual results: For every attempted packet tx kernel writes to console: ------------[ cut here ]------------ WARNING: at net/8021q/vlan_dev.c:254 vlan_dev_hard_header+0x36/0x126 [8021q]() Hardware name: M22ES Modules linked in: arptable_filter arp_tables bridge veth macvlan arc4 ecb ppp_mppe ppp_async crc_ccitt ppp_generic slhc autofs4 sunrpc 8021q garp stp ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack xt_tcpudp x_tables dm_mirror dm_region_hash dm_log dm_multipath dm_mod sbs sbshc lp floppy snd_intel8x0 joydev snd_seq_dummy snd_intel8x0m snd_ac97_codec ide_cd_mod ac97_bus snd_seq_oss cdrom snd_seq_midi_event serio_raw snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss parport_pc snd_pcm parport battery 8139cp snd_timer i2c_sis96x ac button snd rtc_cmos rtc_core 8139too soundcore rtc_lib mii i2c_core pcspkr snd_page_alloc pata_sis libata sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcd uhci_hcd [last unloaded: ip_tables] Pid: 0, comm: swapper Tainted: G W 2.6.29.3 #1 Call Trace: [<c0425f48>] warn_slowpath+0x60/0x9f [<c0425f6f>] warn_slowpath+0x87/0x9f [<dffb850d>] vlan_dev_hard_header+0x0/0x126 [8021q] [<dffb8543>] vlan_dev_hard_header+0x36/0x126 [8021q] [<dffb850d>] vlan_dev_hard_header+0x0/0x126 [8021q] [<df83155d>] macvlan_hard_header+0x3c/0x47 [macvlan] [<df831521>] macvlan_hard_header+0x0/0x47 [macvlan] [<c062bf3f>] arp_create+0xef/0x1ff [<c062c08c>] arp_send+0x3d/0x54 [<c062c916>] arp_solicit+0x16c/0x177 [<c05fadd2>] neigh_timer_handler+0x227/0x269 [<c05fabab>] neigh_timer_handler+0x0/0x269 [<c042ce4d>] run_timer_softirq+0xf0/0x141 [<c0429e5a>] __do_softirq+0x76/0xf8 [<c0429de4>] __do_softirq+0x0/0xf8 <IRQ> [<c044fb67>] handle_level_irq+0x0/0xad [<c0429db7>] irq_exit+0x35/0x62 [<c04046bb>] do_IRQ+0xdf/0xf4 [<c04035a7>] common_interrupt+0x27/0x2c [<c04079c5>] default_idle+0x2a/0x3d [<c0401bb6>] cpu_idle+0x57/0x70 Macvlan driver always uses standard ethernet header length for all types of interface to which it is linked. This patch fixes this problem. Reported-by: <sg.tweak@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: "David S. Miller" <davem@davemloft.net> Cc: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* e100: add non-MII PHY supportAndreas Mohr2009-06-11
| | | | | | | | | | | | | | | | | | | | | Restore support for cards with MII-lacking PHYs as compared to removed pre-2.6.29 eepro100 driver: use full low-level MII I/O access abstraction by providing clean PHY-specific mdio_ctrl() functions for either standard MII-compliant cards, slightly special ones or non-MII PHY ones. We now have another netdev_priv member for mdio_ctrl(), thus we have some array indirection, but we save some additional opcodes for specific phy_82552_v handling in the common case. [akpm@linux-foundation.org: cleanups] Signed-off-by: Andreas Mohr <andi@lisas.de> Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Cc: Jesse Brandeburg <jesse.brandeburg@intel.com> Cc: Bruce Allan <bruce.w.allan@intel.com> Cc: PJ Waskiewicz <peter.p.waskiewicz.jr@intel.com> Cc: John Ronciak <john.ronciak@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'master' of ↵David S. Miller2009-06-11
|\ | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
| * ath5k: minor rfkill cleanupBob Copeland2009-06-10
| | | | | | | | | | | | | | | | | | Always enable rfkill since the ifdefs in the code is not really worth the Kconfig option. Also fix a few code style things, and remove the usage of the ah_gpio[] array so we can remove it later. Signed-off-by: Bob Copeland <me@bobcopeland.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ath9k: Fix tx stuck when connected to aggr disabled HT APVasanthakumar Thiagarajan2009-06-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch along with my previous patch in mac80211 "Fix the way ADDBA count..", fixes hang in tx when connected to an HT AP which rejects/times out on addba req. AGGR_ADDBA_PROGRESS should be cleared in aggr state when addba negotiation is terminated due to either addba response is timed out or addba is denied by the AP. With out clearing this bit, all frames are queued onto s/w queue for getting tx'd as aggr and will never be scheduled onto hw queue. Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * b43: Add fw capabilitiesMichael Buesch2009-06-10
| | | | | | | | | | | | | | | | | | | | | | Add automagic feature flags, so the firmware can tell the driver about supported features and the driver can switch features on/off as needed. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: Stefan Lippers-Hollmann <s.l-h@gmx.de> Tested-by: Stefan Lippers-Hollmann <s.l-h@gmx.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * sony-laptop: no need to unblock rfkill on loadAlan Jenkins2009-06-10
| | | | | | | | | | | | | | | | | | The re-written rfkill core ensures rfkill devices are initialized to the system default state. The core calls set_block after registration so the driver shouldn't need to. Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * rfkill: remove set_global_sw_stateAlan Jenkins2009-06-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | rfkill_set_global_sw_state() (previously rfkill_set_default()) will no longer be exported by the rewritten rfkill core. Instead, platform drivers which can provide persistent soft-rfkill state across power-down/reboot should indicate their initial state by calling rfkill_set_sw_state() before registration. Otherwise, they will be initialized to a default value during registration by a set_block call. We remove existing calls to rfkill_set_sw_state() which happen before registration, since these had no effect in the old model. If these drivers do have persistent state, the calls can be put back (subject to testing :-). This affects hp-wmi and acer-wmi. Drivers with persistent state will affect the global state only if rfkill-input is enabled. This is required, otherwise booting with wireless soft-blocked and pressing the wireless-toggle key once would have no apparent effect. This special case will be removed in future along with rfkill-input, in favour of a more flexible userspace daemon (see Documentation/feature-removal-schedule.txt). Now rfkill_global_states[n].def is only used to preserve global states over EPO, it is renamed to ".sav". Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk> Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * sony: fix rfkill codeJohannes Berg2009-06-10
| | | | | | | | | | | | | | | | | | | | | | | | During the rfkill conversion I added code to call sony_nc_rfkill_set with the wrong argument, causing a segfault Reinette reported. The compiler could not catch that because the argument is, and needs to be, void *. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Reported-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * b43/legacy: port to cfg80211 rfkillJohannes Berg2009-06-10
| | | | | | | | | | | | | | | | | | | | This ports the b43/legacy rfkill code to the new API offered by cfg80211 and thus removes a lot of useless stuff. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ath5k: added cfg80211 based rfkill supportTobias Doerffel2009-06-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch introduces initial rfkill support for the ath5k driver based on rfkill support in the cfg80211 framework. All rfkill related code is separated into newly created rfkill.c. Changes to existing code are minimal: * added a new data structure ath5k_rfkill to the ath5k_softc structure * inserted calls to HW rfkill init/deinit routines * ath5k_intr() has been extended to handle AR5K_INT_GPIO interrupts Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ar9170: xmit code revampChristian Lamparter2009-06-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch is a back-port from aggregation testing code. In the past, we didn't limit the amount of active tx urbs. However, ar9170 only has a limited buffer reserved for pending data frames. This wasn't much of a problem with the slower 802.11b/g. We simply stopped the full queue and moved on to something different in the mean time. But - as you guessed it - this simple approach stands in way for a decent aggregation implementation. Signed-off-by: Christian Lamparter <chunkeey@web.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * ar9170: interpret firmware debug commandsJohannes Berg2009-06-10
| | | | | | | | | | | | | | | | This adds new commands that the original firmware will not send but we can use them to debug firmware. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * b43: Fix possible unaligned u32 accessMatthieu CASTET2009-06-10
| | | | | | | | | | | | | | | | | | | | | | Fix possible unaligned u32 access in b43_generate_plcp_hdr(). Unaligned data is read/write with a u32 pointer instead of using the packed structure. Some versions of gcc ignore the "packed" attribute, if the structure element is accessed through a local pointer. Signed-off-by: Matthieu CASTET <castet.matthieu@free.fr> Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * net/libertas: remove GPIO-CS handling in SPI interface codeSebastian Andrzej Siewior2009-06-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This removes the dependency on GPIO framework and lets the SPI host driver handle the chip select. The SPI host driver is required to keep the CS active for the entire message unless cs_change says otherwise. This patch collects the two/three single SPI transfers into a message. Also the delay in read path in case use_dummy_writes are not used is moved into the SPI host driver. Tested-by: Mike Rapoport <mike@compulab.co.il> Tested-by: Andrey Yurovsky <andrey@cozybit.com> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Acked-by: Dan Williams <dcbw@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * rndis_wlan: cleanup: rename all rndis_wext* objects to rndis_wlan*Jussi Kivilinna2009-06-10
| | | | | | | | | | | | | | | | | | | | Driver used to be named rndis_wext before inclusion to upstream. Since rndis_wlan is being converted to cfg80211, use of rndis_wext* names can be confusing. So rename all rndis_wext to rndis_wlan (as should have been when driver was renamed). Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * rndis_wlan: cleanup: capitalize enum labelsJussi Kivilinna2009-06-10
| | | | | | | | | | | | | | Capitalize enum labels as told in Documents/CodingStyle. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * iwlwifi: port to cfg80211 rfkillJohannes Berg2009-06-10
| | | | | | | | | | | | | | | | | | | | | | This ports the iwlwifi rfkill code to the new API offered by cfg80211 and thus removes a lot of useless stuff. The soft- rfkill is completely removed since that is now handled by setting the interfaces down. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Tested-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | can: sja1000_of_platform: fix build problems with printk formatWolfgang Grandegger2009-06-10
| | | | | | | | | | | | | | | | | | | | According to "Documentation/printk-formats.txt", if the type is dependent on a config option for its size, like resource_size_t, we should use a format specifier of its largest possible type and explicitly cast to it. Signed-off-by: Wolfgang Grandegger <wg@grandegger.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | qlge: bugfix: Get rid of errant spin_unlock().Ron Mercer2009-06-10
| | | | | | | | | | Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | qlge: Add set TX csum ethtool op.Ron Mercer2009-06-10
| | | | | | | | | | Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | qlge: Add support for varied pcie function numbers.Ron Mercer2009-06-10
| | | | | | | | | | | | | | | | | | | | | | | | | | Currently we support only PCIe NIC functions zero and one, and FCoE functions as 3 and 4. Future configurations can mix these up in any fashion. This patch removes the 0-1 dependancy and allows usage of any of the 4 functions. We also find the alternate NIC function (if exist) and determine our port number based on the comparison of the two functions: Lower function number gets first port, higher function gets second port. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | qlge: Add support for using alternate MAC address.Ron Mercer2009-06-10
| | | | | | | | | | | | | | | | | | | | | | Extract either manufacturer or Bladecenter Open Fabric Manager (BOFM) MAC address. BOFM may indicate an alternate MAC address. This patch honors that request by extracting the MAC address from a different flash location if a flag is set. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | qlge: Drop inbound frames > MTU.Ron Mercer2009-06-10
| | | | | | | | | | | | | | | | The max frame size register is set higher than the MTU to accomodate FCoE frames. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | qlge: Drop inbound error frames.Ron Mercer2009-06-10
| | | | | | | | | | Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | qlge: Remove netif_set_gso_max_size() call.Ron Mercer2009-06-10
| | | | | | | | | | | | | | Not necessary if hardware supports 65536 as it's the default setting. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | qlge: Add support for retrieving firmware version.Ron Mercer2009-06-10
|/ | | | | | | This is used by driver banner and ethtool info. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bnx2: no need to check before vfreeingBreno Leitao2009-06-09
| | | | | | | | There is no need to check if a pointer is NULL before calling vfree(), since vfree() function already check for it. Signed-off-by: Breno Leitão <leitao@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ixgbe: Include offloaded FCoE data into total rx/tx statistics for 82599Yi Zou2009-06-09
| | | | | | | | | Include offloaded FCoE data into total rx/tx statistics for 82599 so they are properly reflected by ethtool or ifconfig. Signed-off-by: Yi Zou <yi.zou@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* e1000e: Expose MDI-X status via ethtool changeChaitanya Lala2009-06-09
| | | | | | | | | | | | Ethtool is a standard way of getting information about ethernet interfaces. We enhance ethtool kernel interface & e1000e to make the MDI-X status readable via ethtool in userspace. Signed-off-by: Chaitanya Lala <clala@riverbed.com> Signed-off-by: Arthur Jones <ajones@riverbed.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* e1000e: Call e1000e_config_collision_dist() after TCTL has been setSimon Horman2009-06-09
| | | | | | | | | | | | e1000e_config_collision_dist() sets tctl, but subsequently tctl is overwritten. It seems to me that as things stand the call to e1000e_config_collision_dist() has no effect and should either be removed or moved down a little bit. This kernel patch takes the latter option. Signed-off-by: Simon Horman <horms@verge.net.au> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* e1000e: Fixes possible phy corrupton on 82571 designs.Dave Graham2009-06-09
| | | | | | | | | | | | | | | Phy corruption has been observed on 2-port 82571 adapters, and is root-caused to lack of synchronization between the 2 driver instances, which conflict when attempting to access the phy via the single MDIC register. A semaphore exists for this purpose, and is now used on these designs. Because PXE &/or EFI boot code (which we cannot expect to be built with this fix) may leave the inter-instance semaphore in an invalid initial state when the driver first loads, this fix also includes a one-time (per driver load) fix-up of the semaphore initial state. Signed-off-by: dave graham <david.graham@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ieee802154: add simple HardMAC driver sampleSergey Lapin2009-06-09
| | | | | | | | | | fakehard is a really simple driver implementing only necessary callbacks and serves the role of an example of driver for HardMAC IEEE 802.15.4 device. Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: Sergey Lapin <slapin@ossfans.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* be2net: Remove unnecessary frag list traversing.David S. Miller2009-06-09
| | | | | | | | | | | | | | | | | | | | | | This driver does not indicate support for frag lists. Furthermore, even if it did, the code is walking the frag lists incorrectly. The idiom is: for (iter = skb_shinfo(skb)->frag_list; iter; iter = iter->next) but it's doing: for (iter = skb_shinfo(skb)->frag_list; iter; iter = skb_shinfo(iter)->frag_list) which would never work. And this proves that this driver never saw an SKB with active frag lists. So just remove the code altogether and the driver TX path becomes much simpler. Signed-off-by: David S. Miller <davem@davemloft.net>
* declance: Restore tx descriptor ring lockingMaciej W. Rozycki2009-06-08
| | | | | | | | | | | | | | | | | | | | | | | | | A driver overhaul on 29 Feb 2000 (!) broke locking around fiddling with the tx descriptor ring in start_xmit(); a follow-on "fix" removed the broken remnants altogether. Here's a patch to restore proper locking in the function -- the complement in the interrupt handler has been correct all the time. This *may* have been the reason for the occasional confusion of the chip -- triggering a tx timeout followed by a chip reset sequence -- seen on R4k-based DECstations with the onboard Ethernet interface. Another theory is the confusion is due to an unindentified problem -- perhaps a silicon erratum -- associated with the variation of the MT ASIC used to interface the R4k CPU to the rest of the system on these computers; with its aggressive write-back buffering the design is particularly weakly ordered when it comes to MMIO (in the absence of ordering barriers uncached reads are allowed to bypass earlier uncached writes, even if to the same location), which may trigger all kinds of corner cases in peripheral hardware as well as software. Either way this piece of code is buggy. Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* isdn: prevent NULL ptr Oops in capi_cmsg2str()Tilman Schmidt2009-06-08
| | | | | | | | | | | The dereferencing of the private pointer cmsg->m in capi_cmsg2str() may cause an Oops in case of an error, which is particularly inconvenient as that function is typically used to format an error message. Add a NULL pointer check to avoid this. Impact: error handling improvement Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
* isdn: kerneldoc for capiutil.cTilman Schmidt2009-06-08
| | | | | | | | Add kerneldoc comments for the exported funtions in capiutil.c. Impact: documentation Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
* isdn: rename capi_ctr_reseted() to capi_ctr_down()Tilman Schmidt2009-06-08
| | | | | | | | | Change the name of the Kernel CAPI exported function capi_ctr_reseted() to something representing its purpose better. Impact: renaming, no functional change Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
* tun: Fix unregister raceEric W. Biederman2009-06-08
| | | | | | | | | | | | | | | | | | It is possible for tun_chr_close to race with dellink on the a tun device. In which case if __tun_get runs before dellink but dellink runs before tun_chr_close calls unregister_netdevice we will attempt to unregister the netdevice after it is already gone. The two cases are already serialized on the rtnl_lock, so I have gone for the cheap simple fix of moving rtnl_lock to cover __tun_get in tun_chr_close. Eliminating the possibility of the tun device being unregistered between __tun_get and unregister_netdevice in tun_chr_close. Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com> Tested-by: David Woodhouse <David.Woodhouse@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* e100: Fix napi_enable BUG_ON when recovering from EEH errorAndre Detsch2009-06-08
| | | | | | | | | | | | | | | BUG_ON(!test_bit(NAPI_STATE_SCHED, &n->state)) was being hit during e100 EEH recovery. The problem source was a napi_enable call being made during e100_io_error_detected. Napi should remain disabled after e100_down, and only be reenabled when the interface is recovered. This patch also updates e100_io_error_detected in order to make it similar to the current versions of the error_detected callback in drivers such as e1000e and ixgbe. Signed-off-by: Andre Detsch <adetsch@br.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* mlx4: FIX error flow when initializing EQ tableYevgeny Petrilin2009-06-08
| | | | | | | | | | If mlx4_create_eq() would fail for one of EQ's assigned for completion handling, the code would try to free the same EQ we failed to create. The crash was found by Christoph Lameter Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
* tun: Fix copy/paste error in tun_get_userSridhar Samudrala2009-06-08
| | | | | | | | Use the right structure while incrementing the offset in tun_get_user. Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: skb_shared_info optimizationEric Dumazet2009-06-08
| | | | | | | | | | | | | | | | skb_dma_unmap() is quite expensive for small packets, because we use two different cache lines from skb_shared_info. One to access nr_frags, one to access dma_maps[0] Instead of dma_maps being an array of MAX_SKB_FRAGS + 1 elements, let dma_head alone in a new dma_head field, close to nr_frags, to reduce cache lines misses. Tested on my dev machine (bnx2 & tg3 adapters), nice speedup ! Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* s2io: Remove private boolean definitionsTobias Klauser2009-06-08
| | | | | | | | | Remove the private definition of TRUE/FALSE and use the ones from linux/stddef.h. Also remove the definition of BOOL which is not referenced inside the driver anyway. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* hso: convert dev_alloc_skb() to netdev_alloc_skb()Paulius Zaleckas2009-06-08
| | | | | Signed-off-by: Paulius Zaleckas <paulius.zaleckas@teltonika.lt> Signed-off-by: David S. Miller <davem@davemloft.net>
* netdev: Added KS8842 driverRichard Ršöjfors2009-06-08
| | | | | | | | | | | This is a driver for the Micrel KS8842 ethernet switch. The supplied code is for driving the KS8842 through the Timberdale FPGA on the Russellville board, a development board for Intel Atom CPU in the automotive area. Signed-off-by: Richard Röjfors <richard.rojfors.ext@mocean-labs.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* tun: Optimise handling of bogus gso->hdr_lenHerbert Xu2009-06-08
| | | | | | | | | | As all current versions of virtio_net generate a value for the header length that's too small, we should optimise this so that we don't copy it twice. This can be done by ensuring that it is at least as large as the place where we'll write the checksum. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
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