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path: root/drivers/net/wireless/zd1211rw/zd_usb.c
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* [PATCH] zd1211rw: Call ieee80211_rx in taskletUlrich Kunitz2006-12-19
| | | | | | | | | | | The driver called ieee80211_rx in hardware interrupt context. This has been against the intention of the ieee80211_rx function. It caused a bug in the crypto routines used by WPA. This patch calls ieee80211_rx in a tasklet. Signed-off-by: Ulrich Kunitz <kune@deine-taler.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] zd1211rw: Optimized handling of zero length entries in length infoUlrich Kunitz2006-12-02
| | | | | | | | | | | There are a high number of split USB transactions, which contain only one packet but have a length info field. This patch optimizes this code by stopping parsing the length info structure if a zero length field is encountered. Signed-off-by: Ulrich Kunitz <kune@deine-taler.de> Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] zd1211rw: cleanupsUlrich Kunitz2006-12-02
| | | | | | | | | | | | | | | | | | | | | | | Bit-field constants in zd_chip.h are now defined using a shift expression. The value 0x08 is now (1 << 3). The fix is intended to improve readability. Remove misleading comment in zd_mac.c: The function already returns -EPERM in managed mode (IW_MODE_INFRA). Remove unused code in zd_mac.c: The unused code intended for debugging rx_status values is no longer useful. Added dump_stack() to ZD_ASSERT macro: Output of the stack helps to debug assertions. Keep in mind that the ZD_ASSERT() macro only results in code, if DEBUG is defined. Improved comments for filter_rx() zd_usb.c: Added driver name to module init and exit functions Signed-off-by: Ulrich Kunitz <kune@deine-taler.de> Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] zd1211rw: Add ID for Belkin F5D7050 v4000Daniel Drake2006-12-02
| | | | | | | | | zd1211b chip 050d:705c v4810 high 00-17-3f AL2230_RF pa0 g--N Tested by Bryan Barnard Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] zd1211rw: Add ID for Planex GW-US54MiniDaniel Drake2006-12-02
| | | | | | | | | zd1211 chip 14ea:ab13 v4330 high 00-90-cc AL2230_RF pa0 g--- Tested by Tetsuya Yatagai. Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] zd1211rw: Add ID for ZyXEL G-220Daniel Drake2006-12-02
| | | | | | | | | Tested by Newsome on IRC zd1211 chip 0586:3401 v4330 high 00-13-49 AL2230_RF pa0 g--- Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] zd1211rw: Add 3 more device IDsDaniel Drake2006-12-02
| | | | | | | | | | | | | | iNexQ UR055g: Tested by Todor T Zviskov zd1211 chip 1435:0711 v4330 high 00-10-a7 AL2230_RF pa0 g-- ZyXEL AG-225, FCC ID SI5WUB410: Tested by Nathan zd1211 chip 0586:3409 v4810 full 00-13-49 AL7230B_RF pa0 g--- Yakumo QuickWLAN USB: Tested by EdB zd1211 chip 0b3b:1630 v4330 high 00-01-36 RF2959_RF pa0 --- Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] zd1211rw: Fix of a locking bugUlrich Kunitz2006-11-28
| | | | | | | | | | This patch fixes the bug as reported in the kernel bug tracker under the id 7244. The bug was simply that the interrupt lock has been locked outside an interrupt without blocking the interrupt. Signed-off-by: Ulrich Kunitz <kune@deine-taler.de> Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* IRQ: Maintain regs pointer globally rather than passing to IRQ handlersDavid Howells2006-10-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Maintain a per-CPU global "struct pt_regs *" variable which can be used instead of passing regs around manually through all ~1800 interrupt handlers in the Linux kernel. The regs pointer is used in few places, but it potentially costs both stack space and code to pass it around. On the FRV arch, removing the regs parameter from all the genirq function results in a 20% speed up of the IRQ exit path (ie: from leaving timer_interrupt() to leaving do_IRQ()). Where appropriate, an arch may override the generic storage facility and do something different with the variable. On FRV, for instance, the address is maintained in GR28 at all times inside the kernel as part of general exception handling. Having looked over the code, it appears that the parameter may be handed down through up to twenty or so layers of functions. Consider a USB character device attached to a USB hub, attached to a USB controller that posts its interrupts through a cascaded auxiliary interrupt controller. A character device driver may want to pass regs to the sysrq handler through the input layer which adds another few layers of parameter passing. I've build this code with allyesconfig for x86_64 and i386. I've runtested the main part of the code on FRV and i386, though I can't test most of the drivers. I've also done partial conversion for powerpc and MIPS - these at least compile with minimal configurations. This will affect all archs. Mostly the changes should be relatively easy. Take do_IRQ(), store the regs pointer at the beginning, saving the old one: struct pt_regs *old_regs = set_irq_regs(regs); And put the old one back at the end: set_irq_regs(old_regs); Don't pass regs through to generic_handle_irq() or __do_IRQ(). In timer_interrupt(), this sort of change will be necessary: - update_process_times(user_mode(regs)); - profile_tick(CPU_PROFILING, regs); + update_process_times(user_mode(get_irq_regs())); + profile_tick(CPU_PROFILING); I'd like to move update_process_times()'s use of get_irq_regs() into itself, except that i386, alone of the archs, uses something other than user_mode(). Some notes on the interrupt handling in the drivers: (*) input_dev() is now gone entirely. The regs pointer is no longer stored in the input_dev struct. (*) finish_unlinks() in drivers/usb/host/ohci-q.c needs checking. It does something different depending on whether it's been supplied with a regs pointer or not. (*) Various IRQ handler function pointers have been moved to type irq_handler_t. Signed-Off-By: David Howells <dhowells@redhat.com> (cherry picked from 1b16e7ac850969f38b375e511e3fa2f474a33867 commit)
* [PATCH] zd1211rw: Added workqueueUlrich Kunitz2006-09-25
| | | | | | | | | | For housekeeping and watchdog tasks a workqueue is created. The central workqueue is not used to prevent crashes creates by bugs. It might be changed, when the housekeeping is stabilized. Signed-off-by: Ulrich Kunitz <kune@deine-taler.de> Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] zd1211rw: Add ID for Asus WL-159gDaniel Drake2006-09-11
| | | | | | | | | Tested by Vincent TOUCHARD zd1211 chip 0b05:170c v4802 high 00-11-d8 AL2230_RF pa0 g--- Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] zd1211rw: Add ID for Siemens Gigaset USB Stick 54Daniel Drake2006-09-11
| | | | | | | | | Tested by Martin Dummer. zd1211 chip 0b3b:5630 v4330 high 00-01-e3 RF2959_RF pa0 --- Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] zd1211rw: cleanupsUlrich Kunitz2006-08-14
| | | | | | | | | | | | | | | | | | | | | | | Add static to 2 internal functions. Thanks goes to Adrian Bunk, who found that. Also made some modifications to the clear functions: After a discussion on the mailing list, I implemented this code to have on the one hand sufficient test in debug mode, but on the other hand reduce the overhead for structure clearing to a minimum. A new macro ZD_MEMCLEAR is introduced, which produces code if DEBUG is set. Locks are not set anymore for structure clearing, but in debug mode, there is a verification, that the locks have not been set. Finally, removed a misleading comment regarding locking in the disconnect path. Signed-off-by: Ulrich Kunitz <kune@deine-taler.de> Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] zd1211rw: USB id 1582:6003 for Longshine 8131G3 addedUlrich Kunitz2006-08-14
| | | | | | | | | The Longshine device is a ZD1211B and has a AL2230 RF. I tested it successfully with no encryption and WEP. Signed-off-by: Ulrich Kunitz <kune@deine-taler.de> Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] zd1211rw: Convert installer CDROM device into WLAN deviceDaniel Drake2006-08-14
| | | | | | | | | | | | Some devices identify themselves as a virtual USB CDROM drive. The virtual CD includes the windows driver. We aren't interested in this, so we eject the virtual CDROM and then the real wireless device appears. Patch fixed over the earlier version to not leak cmd, thanks to Michael Buesch for spotting that. Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] zd1211rw: Add ID for ZyXEL G220FDaniel Drake2006-08-14
| | | | | | | | | zd1211 chip 0586:3402 v4916 high 00-13-49 AL2230_RF pa0 ---- This device pops up after the virtual driver CD has been ejected. Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] zd1211rw: Firmware version vs bootcode version mismatch handlingDaniel Drake2006-08-14
| | | | | | | | | | | | | This is needed for my G220F, otherwise it fails to initialize after the existing firmware upload routine. The vendor driver actually does more than what I have done here: it downloads the firmware + boot code, modifies it, and uploads it again (really messy). I have not copied that part over, as my device can get on its feet without it. Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] zd1211rw: Add ID for Allnet ALLSPOT Hotspot finderDaniel Drake2006-08-14
| | | | | | | | | Tested by Wonka on IRC. zd1211 chip 157e:3204 v4810 high 00-11-e0 AL7230B_RF pa0 g--- Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] zd1211rw: Add ID for Senao NUB-8301Daniel Drake2006-08-14
| | | | | | | | | Tested by lyakh on IRC zd1211 chip 1740:2000 v4721 high 00-02-6f AL7230B_RF pa0 g--- Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* Merge branch 'upstream-fixes' into upstreamJohn W. Linville2006-08-02
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| * [PATCH] zd1211rw: Fixed endianess issue with length info tag detectionUlrich Kunitz2006-08-02
| | | | | | | | | | | | | | | | | | | | | | | | | | Discovered a problem while accessing www.python.org on my PPC32. The problem was pretty consistent for all sticks. The reason was that while testing for the length info tag, I ignored the endianess of the host system. Please recognize that converting the constant to little endian, we create faster code. Signed-off-by: Ulrich Kunitz <kune@deine-taler.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * [PATCH] zd1211rw: Remove bogus assertDaniel Drake2006-08-02
| | | | | | | | | | | | | | | | | | This function is never called in interrupt context, and it doesn't matter if it is called in IRQ context or not. Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: Ulrich Kunitz <kune@deine-taler.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | [PATCH] zd1211rw: Add Sagem device ID'sDaniel Drake2006-07-10
|/ | | | | | | | | | Based on a patch by Matthieu CASTET. zd1211 chip 079b:004a v4330 high 00-60-b3 AL2230_RF pa0 g-- zd1211b chip 079b:0062 v4810 high 00-60-b3 AL2230_RF pa0 g-- Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] zd1211rw: usb_clear_halt not allowed in IRQ contextDaniel Drake2006-07-10
| | | | | | | | | We will reimplement halt-clearing later, when we have periodic housekeeping routines in place. This will do as a temporary fix, the EPIPE case has not yet been seen. Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] ZyDAS ZD1211 USB-WLAN driverDaniel Drake2006-07-05
There are 60+ USB wifi adapters available on the market based on the ZyDAS ZD1211 chip. Unlike the predecessor (ZD1201), ZD1211 does not have a hardware MAC, so most data operations are coordinated by the device driver. The ZD1211 chip sits alongside an RF transceiver which is also controlled by the driver. Our driver currently supports 2 RF types, we know of one other available in a few marketed products which we will be supporting soon. Our driver also supports the newer revision of ZD1211, called ZD1211B. The initialization and RF operations are slightly different for the new revision, but the main difference is 802.11e support. Our driver does not support the QoS features yet, but we think we know how to use them. This driver is based on ZyDAS's own GPL driver available from www.zydas.com.tw. ZyDAS engineers have been responsive and supportive of our efforts, so thumbs up to them. Additionally, the firmware is redistributable and they have provided device specs. This driver has been written primarily by Ulrich Kunitz and myself. Graham Gower, Greg KH, Remco and Bryan Rittmeyer have also contributed. The developers of ieee80211 and softmac have made our lives so much easier- thanks! We maintain a small info-page: http://zd1211.ath.cx/wiki/DriverRewrite If there is enough time for review, we would like to aim for inclusion in 2.6.18. The driver works nicely as a STA, and can connect to both open and encrypted networks (we are using software-based encryption for now). We will work towards supporting more advanced features in the future (ad-hoc, master mode, 802.11a, ...). Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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