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path: root/drivers/net/wireless/zd1211rw/zd_mac.h
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* zd1211rw: add TX watchdog and device resettingJussi Kivilinna2011-02-041-0/+2
| | | | | | | | | | | When doing transfers at high speed for long time, tx queue can freeze. So add tx watchdog. TX-watchdog checks for locked tx-urbs and reset hardware when such is detected. Merely unlinking urb was not enough, device have to be reseted. Hw settings are restored so that any open link will stay on after reset. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* zd1211rw: collect driver settings and add function to restore theimJussi Kivilinna2011-02-041-0/+3
| | | | | | | | | We need HW hard reset later in patchset to reset device after TX-stall. Collect all settings that we have set to driver for later reset and add restore function. Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* zd1211rw: add beacon watchdog and setting HW beacon more failsafeJussi Kivilinna2011-02-041-0/+13
| | | | | | | | | | | | | | | | | | | | | When doing tx/rx at high packet rate (for example simply using ping -f), device starts to fail to respond to control messages. On non-AP modes this only causes problems for LED updating code but when we are running in AP-mode we are writing new beacon to HW usually every 100ms. Now if control message fails in HW beacon setup, device lock is kept locked and beacon data partially written. This can and usually does cause: 1. HW beacon setup fail now on, as driver cannot acquire device lock. 2. Beacon-done interrupt stop working as device has incomplete beacon. Therefore make zd_mac_config_beacon() always try to release device lock and add beacon watchdog to restart beaconing when stall is detected. Also fix zd_mac_config_beacon() try acquiring device lock for max 500ms, as what old code appeared to be trying to do using loop and msleep(1). Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* zd1211rw: support setting BSSID for AP modeJussi Kivilinna2011-02-041-0/+1
| | | | | Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* zd1211rw: move set_rts_cts_work to bss_info_changedJussi Kivilinna2011-02-041-3/+0Star
| | | | | | | | As bss_info_changed may sleep, we can as well set RTS_CTS register right away. Keep mac->short_preamble for later use (hw reset). Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* zd1211rw: move set_multicast_hash and set_rx_filter from workers to ↵Jussi Kivilinna2011-02-041-2/+0Star
| | | | | | | | | | configure_filter Workers not needed anymore since configure_filter may sleep. Keep mac->multicast_hash for later use (hw reset). Signed-off-by: Jussi Kivilinna <jussi.kivilina@mbnet.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* Merge branch 'master' of ↵David S. Miller2010-06-171-1/+2
|\ | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
| * zd1211rw: change ZD_REGDOMAIN_JAPAN_* namingJohn W. Linville2010-06-161-2/+2
| | | | | | | | | | | | | | ZD_REGDOMAIN_JAPAN_ADD and ZD_REGDOMAIN_JAPAN_GW_US54GXS seem a little verbose to me... Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * zd1211rw: add 0x49 -> JP regulatory domain mapKouhei Sutou2010-06-161-0/+1
| | | | | | | | | | | | | | 0x49 is used by PLANEX GW-US54GXS (2019:5303). Signed-off-by: Kouhei Sutou <kou@clear-code.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | drivers/net: use __packed annotationEric Dumazet2010-06-031-6/+6
|/ | | | | | | | | cleanup patch. Use new __packed annotation in drivers/net/ Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* zd1211rw: Fix TX status reporting in order to have proper rate controlBenoit PAPILLAULT2009-10-271-2/+23
| | | | | | | | | | | | | | | | First, we reduce the number of hardware retries to 0 (ie 2 real retries for each rate). Next, when we report the retries to mac80211, we always report a retry count of 1 (it seems to be 2 in fact, but using 2 seems to lead to wrong performance for some reason). We use a state machine to determine the real fate of a packet based on the 802.11 ACK and what the Zydas hardware is saying when a real retry occurs. The real retry rates are encoded in a static array. It has been tested with both zd1211 and zd1211b hardware. Of course, since the Zydas hardware is not reporting retries accurately, we are just doing our best in order to get the best performance (ie higher throughput). Signed-off-by: Benoit PAPILLAULT <benoit.papillault@free.fr> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* zd1211rw: Replace ZD_CS_MULTICAST with ZD_CS_NO_ACKGábor Stefanik2009-05-201-1/+1
| | | | | | | | | | According to my tests, all that ZD_CS_MULTICAST does is to disable retrying/waiting for an ACK. Reflect this by renaming the bit to ZD_CS_NO_ACK and setting it based on IEEE80211_TX_CTL_NO_ACK, instead of is_multicast_ether_addr. Signed-off-by: Gábor Stefanik <netrolller.3d@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* zd1211rw: make use of new regulatory_hint()Luis R. Rodriguez2008-09-151-1/+64
| | | | | | | | This cleans up zd1211rw's own regulatory work, and makes use of the new cfg80211 regulatory_hint(). Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* mac80211: move TX info into skb->cbJohannes Berg2008-05-221-16/+0Star
| | | | | | | | | | | | | | | | This patch converts mac80211 and all drivers to have transmit information and status in skb->cb rather than allocating extra memory for it and copying all the data around. To make it fit, a union is used where only data that is necessary for all steps is kept outside of the union. A number of fixes were done by Ivo, as well as the rt2x00 part of this patch. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* zd1211rw: support for mesh interface and beaconingLuis Carlos Cobo2008-03-061-0/+3
| | | | | | | | | | | | | | | | | The previously unused CR_CAM_MODE register is set to MODE_AP_WDS. This makes the driver ack mesh (WDS) frames. It does not affect Infra functionality of the driver. Previously missing beaconing support has been added. This might also help implement a currently missing ah-hoc mode. Support for interrupts from the device have been added, but we are not handling most of them. Mesh interfaces are considered associated as long as the interface is up. Signed-off-by: Luis Carlos Cobo <luisca@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* cfg80211 API for channels/bitrates, mac80211 and driver conversionJohannes Berg2008-02-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | This patch creates new cfg80211 wiphy API for channel and bitrate registration and converts mac80211 and drivers to the new API. The old mac80211 API is completely ripped out. All drivers (except ath5k) are updated to the new API, in many cases I expect that optimisations can be done. Along with the regulatory code I've also ripped out the IEEE80211_HW_DEFAULT_REG_DOMAIN_CONFIGURED flag, I believe it to be unnecessary if the hardware simply gives us whatever channels it wants to support and we then enable/disable them as required, which is pretty much required for travelling. Additionally, the patch adds proper "basic" rate handling for STA mode interface, AP mode interface will have to have new API added to allow userspace to set the basic rate set, currently it'll be empty... However, the basic rate handling will need to be moved to the BSS conf stuff. I do expect there to be bugs in this, especially wrt. transmit power handling where I'm basically clueless about how it should work. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* zd1211rw: add copyright noticesDaniel Drake2008-01-291-1/+4
| | | | | | | Requested by Michael Wu. Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* zd1211rw: port to mac80211Daniel Drake2008-01-291-59/+53Star
| | | | | | | | | | | This seems to be working smoothly now. Let's not hold back the mac80211 transition any further. This patch ports the existing driver from softmac to mac80211. Many thanks to everyone who helped out with the porting efforts. Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] zd1211rw: consistent handling of ZD1211 specific ratesUlrich Kunitz2007-10-111-21/+44
| | | | | | | | | | | | | | | | | | As pointed out by Daniel Drake, the zd1211rw driver used several different rate values and names throughout the driver. He has written a patch to change it and tweaked it after some pretty wild ideas from my side. But the discussion helped me to understand the problem better and I think I have nailed it down with this patch. A zd-rate will consist from now on of a four-bit "pure" rate value and a modulation type flag as used in the ZD1211 control set used for packet transmission. This is consistent with the usage in the zd_rates table. If possible these zd-rates should be used in the code. 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: Defer firmware load until first ifupDaniel Drake2007-07-101-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | While playing with the firmware a while back, I discovered a way to access the device's entire address space before the firmware has been loaded. Previously we were loading the firmware early on (during probe) so that we could read the MAC address from the EEPROM and register a netdevice. Now that we can read the EEPROM without having firmware, we can defer firmware loading until later while still reading the MAC address early on. This has the advantage that zd1211rw can now be built into the kernel -- previously if this was the case, zd1211rw would be loaded before the filesystem is available and firmware loading would fail. Firmware load and other device initialization operations now happen the first time the interface is brought up. Some architectural changes were needed: handling of the is_zd1211b flag was moved into the zd_usb structure, MAC address handling was obviously changed, and a preinit_hw stage was added (the order is now: init, preinit_hw, init_hw). Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] zd1211rw: Call ieee80211_rx in taskletUlrich Kunitz2006-12-191-1/+4
| | | | | | | | | | | 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>
* Merge branch 'upstream' of ↵Jeff Garzik2006-12-071-0/+3
|\ | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into upstream Conflicts: drivers/net/wireless/zd1211rw/zd_mac.h net/ieee80211/softmac/ieee80211softmac_assoc.c
| * [PATCH] zd1211rw: Support for multicast addressesUlrich Kunitz2006-12-061-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Support for multicast adresses is implemented by supporting the set_multicast_list() function of the network device. Address filtering is supported by a group hash table in the device. This is based on earlier work by Benoit Papillaut. Fixes multicast packet reception and ipv6 connectivity: http://bugzilla.kernel.org/show_bug.cgi?id=7424 http://bugzilla.kernel.org/show_bug.cgi?id=7425 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>
* | WorkQueue: Fix up arch-specific work items where possibleDavid Howells2006-12-051-2/+2
| | | | | | | | | | | | | | | | | | | | Fix up arch-specific work items where possible to use the new work_struct and delayed_work structs. Three places that enqueue bits of their stack and then return have been marked with #error as this is not permitted. Signed-Off-By: David Howells <dhowells@redhat.com>
* | Merge branch 'master' of ↵David Howells2006-12-051-11/+27
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: drivers/infiniband/core/iwcm.c drivers/net/chelsio/cxgb2.c drivers/net/wireless/bcm43xx/bcm43xx_main.c drivers/net/wireless/prism54/islpci_eth.c drivers/usb/core/hub.h drivers/usb/input/hid-core.c net/core/netpoll.c Fix up merge failures with Linus's head and fix new compilation failures. Signed-Off-By: David Howells <dhowells@redhat.com>
| * [PATCH] zd1211rw: Use softmac ERP handling functionalityDaniel Drake2006-12-021-0/+19
| | | | | | | | | | | | | | | | | | | | | | | | This adds zd1211rw driver support for the softmac functionality I added a while back. We now obey changes in basic rates, use short preamble if it is available (but long if the AP says it's not), and send self-CTS in the proper situations. Locking fixed and improved by Ulrich Kunitz. Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * [PATCH] zd1211rw: Rename cs_rate to zd_rateDaniel Drake2006-12-021-4/+5
| | | | | | | | | | | | | | | | These controlset rate constants are also applicable in places outside the controlset, such as in the RTS/CTS control register. Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * [PATCH] zd1211rw: Remove IW_FREQ_AUTO supportDaniel Drake2006-12-021-5/+1Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | http://bugzilla.kernel.org/show_bug.cgi?id=7399 zd1211rw's support for IW_FREQ_AUTO is broken: when specified, the driver tries to change to a channel specified in an uninitialized integer. As IW_FREQ_AUTO is hard to implement properly, the solution (at least for now) is to drop support for it and start ignoring the flags like all other wireless drivers do. This has the added advantage that kismet also starts working with zd1211rw, even though kismet requesting IW_FREQ_AUTO is also a bug (fixed in their svn) Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
| * Revert "[PATCH] zd1211rw: Removed unneeded packed attributes"John W. Linville2006-11-281-2/+2
| | | | | | | | | | | | | | | | | | | | | | This reverts commit 4e1bbd846d00a245dcf78b6b331d8a9afed8e6d7. Quoth Daniel Drake <dsd@gentoo.org>: "A user reported that commit 4e1bbd846d00a245dcf78b6b331d8a9afed8e6d7 (Remove unneeded packed attributes) breaks the zd1211rw driver on ARM." Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | WorkStruct: make allyesconfigDavid Howells2006-11-221-1/+1
|/ | | | | | Fix up for make allyesconfig. Signed-Off-By: David Howells <dhowells@redhat.com>
* [PATCH] zd1211rw: Add LED supportUlrich Kunitz2006-09-251-0/+5
| | | | | | | | | | | | | | | | | This patch includes a big cleanup of the existing unused LED code, and adds support for controlling the LED. The link LED will blink if the device is not associated. The LED switches between 2 seconds on and 1 second off. If the device is associated the LED is switched on. The link LED also indicates packet TX. I do a little bit more led resetting than the vendor driver, but the device works now as expected for single LED and double LED devices. 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: Removed unneeded packed attributesUlrich Kunitz2006-09-121-2/+2
| | | | | | | | | | | Inspired by an e-mail by Stephen Hemminger I decided to remove all unneeded packed attributes from the code where the member variables are already aligned. This avoids horrible code being generated on some architectures. 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>
* Merge branch 'upstream-fixes' into upstreamJohn W. Linville2006-09-111-4/+7
|\
| * [PATCH] zd1211rw: Fix of signal strength and quality measurementUlrich Kunitz2006-09-111-4/+7
| | | | | | | | | | | | | | | | | | | | | | Caused by a documentation issue I mixed up fields of the zd_status structure. This patch fixes it and improves also the average computation, which is now using only measurements of packets sent by the access point. 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 Kunitz2006-08-141-1/+1
|/ | | | | | | | | | | | | | | | | | | | | | | 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] ZyDAS ZD1211 USB-WLAN driverDaniel Drake2006-07-051-0/+190
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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