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path: root/drivers/net/wireless/rt2x00/rt2800usb.c
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2012-06-20rt2x00: Add support for BUFFALO WLI-UC-GNM2 to rt2800usb.Jeongdo Son1-0/+1
This is a RT3070 based device. Signed-off-by: Jeongdo Son <sohn9086@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-06-05rt2800usb: 2001:3c17 is an RT3370 deviceAlbert Pool1-1/+2
D-Link DWA-123 rev A1 Signed-off-by: Albert Pool<albertpool@solcon.nl> Cc: <stable@vger.kernel.org> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-05-23Merge tag 'usb-3.5-rc1' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB 3.5-rc1 changes from Greg Kroah-Hartman: "Here is the big USB 3.5-rc1 pull request for the 3.5-rc1 merge window. It's touches a lot of different parts of the kernel, all USB drivers, due to some API cleanups (getting rid of the ancient err() macro) and some changes that are needed for USB 3.0 power management updates. There are also lots of new drivers, pimarily gadget, but others as well. We deleted a staging driver, which was nice, and finally dropped the obsolete usbfs code, which will make Al happy to never have to touch that again. There were some build errors in the tree that linux-next found a few days ago, but those were fixed by the most recent changes (all were due to us not building with CONFIG_PM disabled.) Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>" * tag 'usb-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (477 commits) xhci: Fix DIV_ROUND_UP compile error. xhci: Fix compile with CONFIG_USB_SUSPEND=n USB: Fix core compile with CONFIG_USB_SUSPEND=n brcm80211: Fix compile error for .disable_hub_initiated_lpm. Revert "USB: EHCI: work around bug in the Philips ISP1562 controller" MAINTAINERS: Add myself as maintainer to the USB PHY Layer USB: EHCI: fix command register configuration lost problem USB: Remove races in devio.c USB: ehci-platform: remove update_device USB: Disable hub-initiated LPM for comms devices. xhci: Add Intel U1/U2 timeout policy. xhci: Add infrastructure for host-specific LPM policies. USB: Add macros for interrupt endpoint types. xhci: Reserve one command for USB3 LPM disable. xhci: Some Evaluate Context commands must succeed. USB: Disable USB 3.0 LPM in critical sections. USB: Add support to enable/disable USB3 link states. USB: Allow drivers to disable hub-initiated LPM. USB: Calculate USB 3.0 exit latencies for LPM. USB: Refactor code to set LPM support flag. ... Conflicts: arch/arm/mach-exynos/mach-nuri.c arch/arm/mach-exynos/mach-universal_c210.c drivers/net/wireless/ath/ath6kl/usb.c
2012-05-19USB: Disable hub-initiated LPM for comms devices.Sarah Sharp1-0/+1
Hub-initiated LPM is not good for USB communications devices. Comms devices should be able to tell when their link can go into a lower power state, because they know when an incoming transmission is finished. Ideally, these devices would slam their links into a lower power state, using the device-initiated LPM, after finishing the last packet of their data transfer. If we enable the idle timeouts for the parent hubs to enable hub-initiated LPM, we will get a lot of useless LPM packets on the bus as the devices reject LPM transitions when they're in the middle of receiving data. Worse, some devices might blindly accept the hub-initiated LPM and power down their radios while they're in the middle of receiving a transmission. The Intel Windows folks are disabling hub-initiated LPM for all USB communications devices under a xHCI USB 3.0 host. In order to keep the Linux behavior as close as possible to Windows, we need to do the same in Linux. Set the disable_hub_initiated_lpm flag for for all USB communications drivers. I know there aren't currently any USB 3.0 devices that implement these class specifications, but we should be ready if they do. Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Cc: Marcel Holtmann <marcel@holtmann.org> Cc: Gustavo Padovan <gustavo@padovan.org> Cc: Johan Hedberg <johan.hedberg@gmail.com> Cc: Hansjoerg Lipp <hjlipp@web.de> Cc: Tilman Schmidt <tilman@imap.cc> Cc: Karsten Keil <isdn@linux-pingi.de> Cc: Peter Korsgaard <jacmet@sunsite.dk> Cc: Jan Dumon <j.dumon@option.com> Cc: Petko Manolov <petkan@users.sourceforge.net> Cc: Steve Glendinning <steve.glendinning@smsc.com> Cc: "John W. Linville" <linville@tuxdriver.com> Cc: Kalle Valo <kvalo@qca.qualcomm.com> Cc: "Luis R. Rodriguez" <mcgrof@qca.qualcomm.com> Cc: Jouni Malinen <jouni@qca.qualcomm.com> Cc: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com> Cc: Senthil Balasubramanian <senthilb@qca.qualcomm.com> Cc: Christian Lamparter <chunkeey@googlemail.com> Cc: Brett Rudley <brudley@broadcom.com> Cc: Roland Vossen <rvossen@broadcom.com> Cc: Arend van Spriel <arend@broadcom.com> Cc: "Franky (Zhenhui) Lin" <frankyl@broadcom.com> Cc: Kan Yan <kanyan@broadcom.com> Cc: Dan Williams <dcbw@redhat.com> Cc: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Cc: Ivo van Doorn <IvDoorn@gmail.com> Cc: Gertjan van Wingerde <gwingerde@gmail.com> Cc: Helmut Schaa <helmut.schaa@googlemail.com> Cc: Herton Ronaldo Krzesinski <herton@canonical.com> Cc: Hin-Tak Leung <htl10@users.sourceforge.net> Cc: Larry Finger <Larry.Finger@lwfinger.net> Cc: Chaoming Li <chaoming_li@realsil.com.cn> Cc: Daniel Drake <dsd@gentoo.org> Cc: Ulrich Kunitz <kune@deine-taler.de> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2012-04-23wireless: rt2x00: rt2800usb more devices were identifiedXose Vazquez Perez1-5/+3
found in 2012_03_22_RT5572_Linux_STA_v2.6.0.0_DPO RT3070: (0x2019,0x5201) Planex Communications, Inc. RT8070 (0x7392,0x4085) 2L Central Europe BV 8070 7392 is Edimax RT35xx: (0x1690,0x0761) Askey was Fujitsu Stylistic 550, but 1690 is Askey Signed-off-by: Xose Vazquez Perez <xose.vazquez@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-23wireless: rt2x00: rt2800usb add more devices idsXose Vazquez Perez1-3/+14
They were taken from ralink drivers: 2011_0719_RT3070_RT3370_RT5370_RT5372_Linux_STA_V2.5.0.3_DPO 2012_03_22_RT5572_Linux_STA_v2.6.0.0_DPO 0x1eda,0x2210 RT3070 Airties 0x083a,0xb511 RT3370 Panasonic 0x0471,0x20dd RT3370 Philips 0x1690,0x0764 RT35xx Askey 0x0df6,0x0065 RT35xx Sitecom 0x0df6,0x0066 RT35xx Sitecom 0x0df6,0x0068 RT35xx Sitecom 0x2001,0x3c1c RT5370 DLink 0x2001,0x3c1d RT5370 DLink 2001 is D-Link not Alpha Signed-off-by: Xose Vazquez Perez <xose.vazquez@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-26rt2x00: rt2800usb: fix status register reread logicStanislaw Gruszka1-1/+1
Another good catch from Jakub Kicinski. This patch fixes my recent commit: ed61e2b02027935520d1be884fac0b2ffce8379a "rt2x00: rt2800usb: rework txdone code" We should reread status register only when nobody else start already reading status i.e. test_and_set_bit(TX_STATUS_READING, flags) return 0. Reported-by: Jakub Kicinski <moorray@wp.pl> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-26rt2x00: rt2800usb: schedule txdone work on timeoutStanislaw Gruszka1-1/+7
This is fix for my current commit ed61e2b02027935520d1be884fac0b2ffce8379a "rt2x00: rt2800usb: rework txdone code" We should schedule txdone work on timeout, otherwise if newer get tx status from hardware, we will never report tx status to mac80211 and eventually never wakeup tx queue. Reported-by: Jakub Kicinski <moorray@wp.pl> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-15rt2x00: rt2800usb: limit tx queues lengthStanislaw Gruszka1-1/+1
TX status fifo is limited to 16 elements. When we send more frames than that, we can easily loose status, what is not good for rate scaling algorithm. On my testing the change does not degrade performance, actually make is slightly better. Additionally with the patch I can see much less various rt2x00 warnings in dmesg. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-15rt2x00: rt2800usb: do not check packedid for aggregated framesStanislaw Gruszka1-2/+3
Tx statuses of aggregated subframes contain packetid of first subframe in the AMPDU. We can not identify AMPDU subframes based on packedid, so simply assume that status match first pending frame in the queue. Thats mostly the same what 2800pci do. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-15rt2x00: rt2800usb: rework txstatus codeStanislaw Gruszka1-30/+90
Currently we read tx status register after each urb data transfer. As callback procedure also trigger reading, that causing we have many "threads" of reading status. To prevent that introduce TX_STATUS_READING flags, and check if we are already in process of sequential reading TX_STA_FIFO, before requesting new reads. Change timer to hrtimer, that make TX_STA_FIFO overruns less possible. Use 200 us for initial timeout, and then reschedule in 100 us period, this values probably have to be tuned. Make changes on txdone work. Schedule it from rt2800usb_tx_sta_fifo_read_completed() callback when first valid status show up. Check in callback if tx status timeout happens, and schedule work on that condition too. That make possible to remove tx status timeout from generic watchdog. I moved that to rt2800usb. Loop in txdone work, that should prevent situation when we queue work, which is already processed, and after finish work is not rescheduled again. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-15rt2x00: rt2800usb: rework txdone codeStanislaw Gruszka1-41/+31
Patch change txdone code to make it similar like txdone in rt2800pci, process only one entry from queue matching tx status. Before we processed all pending entries from queue until PACKEDID match, that caused that we do not report tx statuses correctly. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-15rt2x00: rt2800usb: move additional txdone into new functionStanislaw Gruszka1-5/+11
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-02-27rt2x00:Add RT5372 chipset supportJohn Li1-0/+14
Signed-off-by: John Li <chen-yang.li@mediatek.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-02-27rt2x00:Add VCO recalibrationJohn Li1-0/+1
Signed-off-by: John Li <chen-yang.li@mediatek.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-02-27rt2x00: Add support for D-Link DWA-127 to rt2800usb.Gertjan van Wingerde1-0/+1
This is an RT3070 based device. Cc: <stable@vger.kernel.org> Reported-by: Mikhail Kryshen <mikhail@kryshen.net> Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-02-09rt2x00: Use struct rt2x00_dev driver data in rt2800{pci,usb}.Gertjan van Wingerde1-0/+1
Start using the struct rt2x00_dev driver data in rt2800 for the calibration data. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-01-27rt2800usb: remove PWR_PIN_CFG=0x3 during initStanislaw Gruszka1-2/+0
This seems to be only needed as workaround for hardware problem on PCI devices. Acked-by: Helmut Schaa <helmut.schaa@googlemail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-01-27rt2800: zero MAC_SYS_CTRL bits during BBP and MAC resetStanislaw Gruszka1-1/+1
Zero all other bits than RESET_CSR and RESET_BBP when want to do the reset, that the vendor driver behaviour. Acked-by: Helmut Schaa <helmut.schaa@googlemail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-01-08Merge branch 'driver-core-next' of ↵Linus Torvalds1-12/+1
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core * 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (73 commits) arm: fix up some samsung merge sysdev conversion problems firmware: Fix an oops on reading fw_priv->fw in sysfs loading file Drivers:hv: Fix a bug in vmbus_driver_unregister() driver core: remove __must_check from device_create_file debugfs: add missing #ifdef HAS_IOMEM arm: time.h: remove device.h #include driver-core: remove sysdev.h usage. clockevents: remove sysdev.h arm: convert sysdev_class to a regular subsystem arm: leds: convert sysdev_class to a regular subsystem kobject: remove kset_find_obj_hinted() m86k: gpio - convert sysdev_class to a regular subsystem mips: txx9_sram - convert sysdev_class to a regular subsystem mips: 7segled - convert sysdev_class to a regular subsystem sh: dma - convert sysdev_class to a regular subsystem sh: intc - convert sysdev_class to a regular subsystem power: suspend - convert sysdev_class to a regular subsystem power: qe_ic - convert sysdev_class to a regular subsystem power: cmm - convert sysdev_class to a regular subsystem s390: time - convert sysdev_class to a regular subsystem ... Fix up conflicts with 'struct sysdev' removal from various platform drivers that got changed: - arch/arm/mach-exynos/cpu.c - arch/arm/mach-exynos/irq-eint.c - arch/arm/mach-s3c64xx/common.c - arch/arm/mach-s3c64xx/cpu.c - arch/arm/mach-s5p64x0/cpu.c - arch/arm/mach-s5pv210/common.c - arch/arm/plat-samsung/include/plat/cpu.h - arch/powerpc/kernel/sysfs.c and fix up cpu_is_hotpluggable() as per Greg in include/linux/cpu.h
2012-01-06Merge branch 'driver-core-next' into Linux 3.2Greg Kroah-Hartman1-12/+1
This resolves the conflict in the arch/arm/mach-s3c64xx/s3c6400.c file, and it fixes the build error in the arch/x86/kernel/microcode_core.c file, that the merge did not catch. The microcode_core.c patch was provided by Stephen Rothwell <sfr@canb.auug.org.au> who was invaluable in the merge issues involved with the large sysdev removal process in the driver-core tree. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-05Merge branch 'master' of ↵John W. Linville1-42/+23
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem Conflicts: drivers/net/wireless/b43legacy/dma.c
2012-01-04rt2800usb: Let rt2x00usb handle USB paddingJakub Kiciński1-27/+10
Older USB drivers does not append end padding to skb but instead report it in size of data to be transmitted to HW. rt2800usb should follow that behaviour. Custom write_tx_data callback which was adding pad to skb is not be needed any more. Thanks to this patch frames handed back from rt2800usb to mac80211 will no longer contain end padding. Signed-off-by: Jakub Kicinski <kubakici@wp.pl> Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-01-04rt2x00: Identify rt2800usb chipsets.Gertjan van Wingerde1-14/+12
According to the latest USB ID database these are all RT2770 / RT2870 / RT307x devices. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-01-04rt2800usb: Move ID out of unknownLarry Finger1-1/+1
Testing on the openSUSE wireless forum has shown that a Linksys WUSB54GC v3 with USB ID 1737:0077 works with rt2800usb when the ID is written to /sys/.../new_id. This ID can therefore be moved out of UNKNOWN. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Stable <stable@vger.kernel.org> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-01-04Merge branch 'master' of ↵John W. Linville1-0/+2
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem Conflicts: drivers/net/wireless/b43/dma.c drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
2011-12-22rt2800: Add support for the Fujitsu Stylistic Q550Alan Cox1-0/+2
Just another USB identifier. Signed-off-by: Alan Cox <alan@linux.intel.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-12-20module_param: make bool parameters really bool (net & drivers/net)Rusty Russell1-1/+1
module_param(bool) used to counter-intuitively take an int. In fddd5201 (mid-2009) we allowed bool or int/unsigned int using a messy trick. It's time to remove the int/unsigned int option. For this version it'll simply give a warning, but it'll break next kernel version. (Thanks to Joe Perches for suggesting coccinelle for 0/1 -> true/false). Cc: "David S. Miller" <davem@davemloft.net> Cc: netdev@vger.kernel.org Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-18USB: convert drivers/net/* to use module_usb_driver()Greg Kroah-Hartman1-12/+1
This converts the drivers in drivers/net/* to use the module_usb_driver() macro which makes the code smaller and a bit simpler. Added bonus is that it removes some unneeded kernel log messages about drivers loading and/or unloading. Cc: Wolfgang Grandegger <wg@grandegger.com> Cc: Samuel Ortiz <samuel@sortiz.org> Cc: Oliver Neukum <oliver@neukum.name> Cc: Peter Korsgaard <jacmet@sunsite.dk> Cc: Petko Manolov <petkan@users.sourceforge.net> Cc: Steve Glendinning <steve.glendinning@smsc.com> Cc: Christian Lamparter <chunkeey@googlemail.com> Cc: "John W. Linville" <linville@tuxdriver.com> Cc: Dan Williams <dcbw@redhat.com> Cc: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Cc: Ivo van Doorn <IvDoorn@gmail.com> Cc: Gertjan van Wingerde <gwingerde@gmail.com> Cc: Helmut Schaa <helmut.schaa@googlemail.com> Cc: Herton Ronaldo Krzesinski <herton@canonical.com> Cc: Hin-Tak Leung <htl10@users.sourceforge.net> Cc: Larry Finger <Larry.Finger@lwfinger.net> Cc: Chaoming Li <chaoming_li@realsil.com.cn> Cc: Lucas De Marchi <lucas.demarchi@profusion.mobi> Cc: "David S. Miller" <davem@davemloft.net> Cc: Roel Kluin <roel.kluin@gmail.com> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Jiri Pirko <jpirko@redhat.com> Cc: Pavel Roskin <proski@gnu.org> Cc: Yoann DI-RUZZA <y.diruzza@lim.eu> Cc: George <george0505@realtek.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-11-15rt2x00: Add USB device ID of Buffalo WLI-UC-GNHP.Gertjan van Wingerde1-0/+1
This is reported to be an RT3070 based device. Reported-by: Teika Kazura <teika@lavabit.com> Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-09-22Merge branch 'master' of github.com:davem330/netDavid S. Miller1-6/+16
Conflicts: MAINTAINERS drivers/net/Kconfig drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c drivers/net/ethernet/broadcom/tg3.c drivers/net/wireless/iwlwifi/iwl-pci.c drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c drivers/net/wireless/rt2x00/rt2800usb.c drivers/net/wireless/wl12xx/main.c
2011-09-19Merge branch 'master' of ssh://infradead/~/public_git/wireless-next into ↵John W. Linville1-1/+6
for-davem
2011-09-14rt2x00: Make use of sta_add/remove callbacks in rt2800Helmut Schaa1-0/+4
This allows us to assign a WCID to each STA even for STAs without crypto key. To achieve this search for an unused WCID in the HW WCID table and assign it to the according STA. When configuring a pairwise key for this STA we don't need to write the MAC address and BSSIDX anymore but just update the crypto related fields in the WCID_ATTR table. This has two advantages: 1) Setting a new key for an already available STA (PTK rekeying) is slightly less expensive and should improve performance in situations where a lot of rekeying happens (e.g. a huge number of stations and/or a small rekeying interval) 2) The TXWI now gets a WCID assigned for unencrypted frames which will be reflected in the corresponding tx status report. This should make tx status reports in unencrypted AP mode more reliable as we can distinguish between multiple key-less STAs. Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-09-14rt2x00: Minor optimizazion in txdone pathHelmut Schaa1-1/+2
We can save an indirect function call + some instructions for fetching the actual function pointer by passing the driver specific txwi pointer directly from rt2800pci/rt2800usb to rt2800lib instead of using the rt2800_drv_get_txwi callback. Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-11rt2x00: fix crash in rt2800usb_get_txwiStanislaw Gruszka1-4/+3
Patch should fix this oops: BUG: unable to handle kernel NULL pointer dereference at 000000a0 IP: [<f81b30c9>] rt2800usb_get_txwi+0x19/0x70 [rt2800usb] *pdpt = 0000000000000000 *pde = f000ff53f000ff53 Oops: 0000 [#1] SMP Pid: 198, comm: kworker/u:3 Tainted: G W 3.0.0-wl+ #9 LENOVO 6369CTO/6369CTO EIP: 0060:[<f81b30c9>] EFLAGS: 00010283 CPU: 1 EIP is at rt2800usb_get_txwi+0x19/0x70 [rt2800usb] EAX: 00000000 EBX: f465e140 ECX: f4494960 EDX: ef24c5f8 ESI: 810f21f5 EDI: f1da9960 EBP: f4581e80 ESP: f4581e70 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 Process kworker/u:3 (pid: 198, ti=f4580000 task=f4494960 task.ti=f4580000) Call Trace: [<f804790f>] rt2800_txdone_entry+0x2f/0xf0 [rt2800lib] [<c045110d>] ? warn_slowpath_common+0x7d/0xa0 [<f81b3a38>] ? rt2800usb_work_txdone+0x288/0x360 [rt2800usb] [<f81b3a38>] ? rt2800usb_work_txdone+0x288/0x360 [rt2800usb] [<f81b3a13>] rt2800usb_work_txdone+0x263/0x360 [rt2800usb] [<c046a8d6>] process_one_work+0x186/0x440 [<c046a85a>] ? process_one_work+0x10a/0x440 [<f81b37b0>] ? rt2800usb_probe_hw+0x120/0x120 [rt2800usb] [<c046c283>] worker_thread+0x133/0x310 [<c04885db>] ? trace_hardirqs_on+0xb/0x10 [<c046c150>] ? manage_workers+0x1e0/0x1e0 [<c047054c>] kthread+0x7c/0x90 [<c04704d0>] ? __init_kthread_worker+0x60/0x60 [<c0826b42>] kernel_thread_helper+0x6/0x1 Oops might happen because we check rt2x00queue_empty(queue) twice, but this condition can change and we can process entry in rt2800_txdone_entry(), which was already processed by rt2800usb_txdone_entry_check() -> rt2x00lib_txdone_noinfo() and has nullify entry->skb . Reported-by: Justin Piszcz <jpiszcz@lucidpixels.com> Cc: stable@kernel.org Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-11rt2x00: fix crash in rt2800usb_write_tx_descStanislaw Gruszka1-1/+12
Patch should fix this oops: BUG: unable to handle kernel NULL pointer dereference at 000000a0 IP: [<f8e06078>] rt2800usb_write_tx_desc+0x18/0xc0 [rt2800usb] *pdpt = 000000002408c001 *pde = 0000000024079067 *pte = 0000000000000000 Oops: 0000 [#1] SMP EIP: 0060:[<f8e06078>] EFLAGS: 00010282 CPU: 0 EIP is at rt2800usb_write_tx_desc+0x18/0xc0 [rt2800usb] EAX: 00000035 EBX: ef2bef10 ECX: 00000000 EDX: d40958a0 ESI: ef1865f8 EDI: ef1865f8 EBP: d4095878 ESP: d409585c DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 Call Trace: [<f8da5e85>] rt2x00queue_write_tx_frame+0x155/0x300 [rt2x00lib] [<f8da424c>] rt2x00mac_tx+0x7c/0x370 [rt2x00lib] [<c04882b2>] ? mark_held_locks+0x62/0x90 [<c081f645>] ? _raw_spin_unlock_irqrestore+0x35/0x60 [<c04884ba>] ? trace_hardirqs_on_caller+0x5a/0x170 [<c04885db>] ? trace_hardirqs_on+0xb/0x10 [<f8d618ac>] __ieee80211_tx+0x5c/0x1e0 [mac80211] [<f8d631fc>] ieee80211_tx+0xbc/0xe0 [mac80211] [<f8d63163>] ? ieee80211_tx+0x23/0xe0 [mac80211] [<f8d632e1>] ieee80211_xmit+0xc1/0x200 [mac80211] [<f8d63220>] ? ieee80211_tx+0xe0/0xe0 [mac80211] [<c0487d45>] ? lock_release_holdtime+0x35/0x1b0 [<f8d63986>] ? ieee80211_subif_start_xmit+0x446/0x5f0 [mac80211] [<f8d637dd>] ieee80211_subif_start_xmit+0x29d/0x5f0 [mac80211] [<f8d63924>] ? ieee80211_subif_start_xmit+0x3e4/0x5f0 [mac80211] [<c0760188>] ? sock_setsockopt+0x6a8/0x6f0 [<c0760000>] ? sock_setsockopt+0x520/0x6f0 [<c076daef>] dev_hard_start_xmit+0x2ef/0x650 Oops might happen because we perform parallel putting new entries in a queue (rt2x00queue_write_tx_frame()) and removing entries after finishing transmitting (rt2800usb_work_txdone()). There are cases when _txdone may process an entry that was not fully send and nullify entry->skb . To fix check in _txdone if entry has flags that indicate pending transmission and wait until flags get cleared. Reported-by: Justin Piszcz <jpiszcz@lucidpixels.com> Cc: stable@kernel.org Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-10rt2x00: Add rt2870 device id for Dvico usb keyAnthony Bourguignon1-0/+2
This patch add a device id for the wifi usb keys shiped by DVICO with some of their tvix hardware. Signed-off-by: Anthony Bourguignon <contact+kernel@toniob.net> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-11rt2800usb: Add new device ID for BelkinEduardo Bacchi Kienetz1-0/+2
Belkin's Connect N150 Wireless USB Adapter, model F7D1101 version 2, uses ID 0x945b. Chipset info: rt: 3390, rf: 000b, rev: 3213. I have just bought one, which started to work perfectly after the ID was added through this patch. Signed-off-by: Eduardo Bacchi Kienetz <eduardo@kienetz.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-07rt2x00: Implement tx_frames_pending mac80211 callback function.Gertjan van Wingerde1-0/+1
Implementing this callback function will cause mac80211 refrain from going to powersave state when there are still untransmitted TX frames in the queues. This would exactly mimic the behaviour of the legacy vendor driver which also doesn't go in powersave mode if there are still TX frames that are not transmitted. This should make powersaving and rt2x00 a better couple. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-07rt2x00: Properly identify rt2800usb devices.Gertjan van Wingerde1-2/+2
Sitecom WLA4000 (USB ID 0x0df6:0x0060) is an RT3072 chipset. Sitecom WLA5000 (USB ID 0x0df6:0x0062) is an RT3572 chipset. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-06-01rt2x00: Move rt2800_txdone and rt2800_txdone_entry_check to rt2800usb.Gertjan van Wingerde1-1/+82
These two functions are only used by rt2800usb so they don't have to be in rt2800lib. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-05rt2x00: Initial support for RT5370 USB devices.Gertjan van Wingerde1-0/+8
Add necessary RF chipset define and basic support for these devices. Tested-by: Juan Carlos Garza <juancarlosgarza@gmail.com> Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-02rt2x00: Add autowake support for USB hardwareIvo van Doorn1-0/+1
The USB drivers don't support automatically waking up when in powersaving mode, add a work object which will wakeup the device in time to receive the next beacon. Based on that beacon, we either go back into powersaving mode, or we remain awake to receive the buffered frames for our station. Some part of the code, especially rt2x00lib_find_ie and rt2x00lib_rxdone_check_ps are inspired on the code from carl9170. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-02rt2x00: Optimize TX_STA_FIFO register readingIvo van Doorn1-4/+5
Add recycling functionality to rt2x00usb_register_read_async. When the callback function returns true, resubmit the urb to read the register again. This optimizes the rt2800usb driver when multiple TX status reports are pending in the register, because now we don't need to allocate the rt2x00_async_read_data and urb structure each time. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-02rt2x00: Reduce tx status reading timeoutIvo van Doorn1-2/+2
When no TX status was available, the default timeout of 20ms is a bit high. The frame is highly likely already send out, so the TX status should be available within only a few milliseconds. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-19rt2x00: Implement get_ringparam callback functionIvo van Doorn1-0/+1
With the get_ringparam callback function we can export ring parameters to ethtool through the mac80211 interface. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-19rt2x00: Optimize register access in rt2800usbIvo van Doorn1-28/+28
All register reads/writes in rt2800usb were previously done with rt2800_register_read/rt2800_register_write. These however indirectly call rt2x00usb_register_read/rt2x00usb_register_write which adds an additional overhead of at least one call and several move instructions to each register access. Replacing the calls to rt2800_register_read/rt2800_register_write with direct calls to rt2x00usb_register_read/rt2x00usb_register_write gets rid of quite a number of instructions in the drivers hotpaths (IRQ handling and txdone handling). For consistency replace all references to rt2800_register_read/write with the rt2x00usb_register_read/write variants. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-19rt2x00: Add USB IDs.Gertjan van Wingerde1-0/+28
Add USB IDs that are listed in the latest Ralink Windows and/or Linux drivers. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-19rt2x00: Allow dynamic addition of PCI/USB IDs.Gertjan van Wingerde1-217/+223
Both USB and PCI drivers allow a system administrator to dynamically add USB/PCI IDs to the device table that a driver supports via the /sys/bus/{usb,pci,pci_express}/drivers/<driver-name>/new_id files. However, for the rt2x00 drivers using this method currently crashes the system with a NULL pointer failure. This is due to the set-up of rt2x00 where the probe functions require a rt2x00_ops structure in the driver_info field of the probed device. As this field is empty for the dynamically added devices this fails for these devices. Fix this by introducing driver-specific probe wrappers that do nothing but calling the bus-specific probe functions with the rt2x00_ops structure as an argument, rather than depending on the driver_info field. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-04-19rt2x00: Linksys WUSB600N rev2 is a RT3572 device.Gertjan van Wingerde1-1/+1
Move the USB ID entry from the unknown devices to the list of RT35xx based devices. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-02 06:40:44 +0300