- 26 Nov, 2008 16 commits
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Sujith authored
Move the hw rate tables to ath_softc, and access them directly. tx_triglevel_max is global, move it to ath_rate_node. Now that ath_rate_softc is gone, rate control attach becomes simpler. Signed-off-by:
Sujith <Sujith.Manoharan@atheros.com> Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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Sujith authored
Rate control init is now confined to itself, using the HT capabilites of the STA from rate_init(). Signed-off-by:
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Sujith authored
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Sujith authored
Remove a lot of old, crufty code and make RX status reporting a bit sane and clean. Do not do anything to the RX skb before unmapping. So in ath_rx_tasklet(), move the skb_put() after PCI unmap. Signed-off-by:
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Sujith authored
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Sujith authored
Half/Quarter rate tables are needed only for legacy chipsets. Signed-off-by:
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Sujith authored
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Sujith authored
Setup legacy rates in ath_rate_init() itself. Signed-off-by:
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Sujith authored
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Sujith authored
Avoid casting of ath_tx_ratctrl and access the elements directly. Signed-off-by:
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Vasanthakumar Thiagarajan authored
[ 6133.670329] BUG: unable to handle kernel NULL pointer dereference at 0000000000000010 [ 6133.672802] IP: [<ffffffffa030fcf6>] ieee80211_stop_queues+0x26/0x40 [mac80211] [ 6133.672802] PGD 759dc067 PUD 74f1d067 PMD 0 [ 6133.672802] Oops: 0002 [#1] PREEMPT SMP [ 6133.672802] last sysfs file: /sys/class/backlight/acpi_video0/brightness [ 6133.672802] CPU 0 [ 6133.672802] Modules linked in: ath9k(-) mac80211 pciehp pci_hotplug arc4 ecb joydev pcmcia ppdev lp ppp_generic psmouse sg pcspkr s] [ 6133.735830] Pid: 4445, comm: rmmod Tainted: G W 2.6.28-rc5-wl #1 [ 6133.735830] RIP: 0010:[<ffffffffa030fcf6>] [<ffffffffa030fcf6>] ieee80211_stop_queues+0x26/0x40 [mac80211] [ 6133.735830] RSP: 0018:ffff88007d1efd10 EFLAGS: 00010246 [ 6133.735830] RAX: 0000000000000000 RBX: ffff880074f41aa0 RCX: 0000000000000000 [ 6133.735830] RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffff880074f40340 [ 6133.735830] RBP: ffff880074990000 R08: 0000000000000000 R09: 000000000000224d [ 6133.735830] R10: 0000000000000000 R11: ffffffff8031dc70 R12: 0000000000000000 [ 6133.735830] R13: 0000000000000001 R14: ffff880074f46c9c R15: 0000000000000000 [ 6133.735830] FS: 00007f1e2e0bc6f0(0000) GS:ffffffff805e0b80(0000) knlGS:0000000000000000 [ 6133.735830] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 6133.735830] CR2: 0000000000000010 CR3: 0000000075593000 CR4: 00000000000006e0 [ 6133.735830] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6133.735830] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 6133.735830] Process rmmod (pid: 4445, threadinfo ffff88007d1ee000, task ffff88007c0c8000) [ 6133.735830] Stack: [ 6133.735830] ffffffffa034d583 ffff88007c7d9410 ffff88007c7d9410 ffff88007c7d9410 [ 6133.735830] ffffffff80481dab ffff880074f41aa0 00000000fffffff0 0000000000000000 [ 6133.735830] 0000000000000001 0000000000000001 ffffffffa034d8a5 ffff88007c7d9400 [ 6133.735830] Call Trace: [ 6133.735830] [<ffffffffa034d583>] ? ath_radio_disable+0x33/0x150 [ath9k] [ 6133.735830] [<ffffffff80481dab>] ? __mutex_lock_slowpath+0x20b/0x2a0 [ 6133.735830] [<ffffffffa034d8a5>] ? ath_sw_toggle_radio+0x65/0xa0 [ath9k] [ 6133.735830] [<ffffffffa019d1f4>] ? rfkill_toggle_radio+0x74/0x140 [rfkill] [ 6133.735830] [<ffffffffa019d597>] ? rfkill_remove_switch+0x67/0x80 [rfkill] [ 6133.735830] [<ffffffffa019d955>] ? rfkill_unregister+0x25/0x50 [rfkill] [ 6133.735830] [<ffffffffa034bf75>] ? ath_detach+0xf5/0x140 [ath9k] [ 6133.735830] [<ffffffffa034bfe9>] ? ath_pci_remove+0x29/0x80 [ath9k] [ 6133.735830] [<ffffffff8035263c>] ? pci_device_remove+0x2c/0x60 [ 6133.735830] [<ffffffff803c3829>] ? __device_release_driver+0x99/0x100 [ 6133.735830] [<ffffffff803c3950>] ? driver_detach+0xc0/0xd0 [ 6133.735830] [<ffffffff803c296e>] ? bus_remove_driver+0x8e/0xd0 [ 6133.735830] [<ffffffff80352916>] ? pci_unregister_driver+0x36/0xa0 [ 6133.735830] [<ffffffffa0356ad4>] ? exit_ath_pci+0x10/0x29 [ath9k] [ 6133.735830] [<ffffffff8026bb1b>] ? sys_delete_module+0x1cb/0x2d0 [ 6133.735830] [<ffffffff802960d9>] ? do_munmap+0x349/0x390 [ 6133.735830] [<ffffffff80342d01>] ? __up_write+0x21/0x150 [ 6133.735830] [<ffffffff8020c45b>] ? system_call_fastpath+0x16/0x1b [ 6133.735830] Code: c3 0f 1f 40 00 0f b7 57 5e 0f b7 47 5c 01 c2 74 30 31 c9 66 90 48 8b 57 78 0f b7 c1 48 c1 e0 07 48 03 82 00 03 00 [ 6133.735830] RIP [<ffffffffa030fcf6>] ieee80211_stop_queues+0x26/0x40 [mac80211] Signed-off-by:
Vasanthakumar Thiagarajan <vasanth@atheros.com> Signed-off-by:
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Larry Finger authored
In the commit entitled "mac80211/drivers: rewrite the rate control API", the meaning of the packet transmit count was changed from the number of retries to the total number. In driver rtl8187, this change was missed. Signed-off-by:
Larry Finger <Larry.Finger@lwfinger.net> Acked-by:
Herton Ronaldo Krzesinski <herton@mandriva.com.br> Tested-by:
Hin-Tak Leung <htl10@users.sourceforge.net> Signed-off-by:
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Larry Finger authored
In commit 9ea2c74 named "mac80211/drivers: rewrite the rate control API", the meaning of status.rates[i].count was changed from number of retries to total number of tries. As a result, the pid rate-setting algorithm fails because every packet appears to have needed a retransmit. Signed-off-by:
Johannes Berg <johannes@sipsolutions.net> Signed-off-by:
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Ivo van Doorn authored
When we switch off the LEDS during initialization we kill rt73usb from proper functioning. The immediate result after the first LED command are MCU failures and a complete breakdown of TX/RX. Signed-off-by:
Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by:
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Andrey Borzenkov authored
Since WE7 /proc/net/wireless checks whether level and noise are in dBm and shows them accordingly. Indicate that we return signal and noice levels in dBm. Before: Inter-| sta-| Quality | Discarded packets | Missed | WE face | tus | link level noise | nwid crypt frag retry misc | beacon | 22 eth1: 0000 65. 219. 165. 0 0 148 41 0 0 After: Inter-| sta-| Quality | Discarded packets | Missed | WE face | tus | link level noise | nwid crypt frag retry misc | beacon | 22 eth1: 0000 65. -37. -91. 0 0 0 0 0 0 While at it, replace raw numbers with appropriate macro. Signed-off-by:
Andrey Borzenkov <arvidjaar@mail.ru> Signed-off-by:
Pavel Roskin <proski@gnu.org> Signed-off-by:
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Luis R. Rodriguez authored
This makes minstrel the default rate control algorithm for mac80211. For more information see: http://wireless.kernel.org/en/developers/Documentation/mac80211/RateControl/minstrel If someone can come up with a better algorithm they get a prize (undisclosed). Signed-off-by:
Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by:
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- 25 Nov, 2008 24 commits
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Luis R. Rodriguez authored
mac80211's ieee80211_register_hw() is often called within the probe path so it cannot assume the device's driver structure has been attached yet so to create a workqueue instead of using driver->name use the wiphy's phy%d name. The name doesn't really matter anyway. This should fix sporadic oopses found when we race to beat the driver pointer setting. Not even sure how this was working properly. http://www.kerneloops.org/search.php?search=ieee80211_register_hwSigned-off-by:
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Vasanthakumar Thiagarajan authored
This fixes the poor wireless connection which happens even if we are very well in the range. Signed-off-by: Don.breslin@atheros.com Signed-off-by:
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Christian Lamparter authored
As was pointed out in "p54: honour bss_info_changed's short slot time settings", bss_info_changed provides more useful settings that can be used by the driver. Signed-off-by:
Christian Lamparter <chunkeey@web.de> Signed-off-by:
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Christian Lamparter authored
Johannes pointed out that the driver has cache the firmware for suspend/resume cycles. Signed-off-by:
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Christian Lamparter authored
This patch contains only contains a one-liner fixes and enhancements Signed-off-by:
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Christian Lamparter authored
This patch enables Mesh Point operation for any p54 device. Signed-off-by:
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Sujith authored
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Luis R. Rodriguez authored
Make the DMAable mameory consistent with pci_set_consistent_dma_mask(). The DMA-mapping.txt Documentation recommends this but for PCI-X considerations and on strange architecture like SGI SN2, not sure why it would fix an issue but lets see if it does, just in case. Before this, this driver was tested with x86_64 with about 7 GB of RAM, not sure if this is really needed. Signed-off-by:
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Luis R. Rodriguez authored
Use DMA_32BIT_MASK to clarify we only want 32-bit DMA memory. What was there before is also 32-bit but this makes it clearer Signed-off-by:
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Ivo van Doorn authored
Instead of hardcoding the used in/out endpoints we should detect them by walking through all available endpoints. rt2800usb will gain the most out of this, because the legacy drivers indicate that there are multiple endpoints available. However this code might benefit at least rt73usb as well for the MIMO queues, and if we are really lucky rt2500usb will benefit because for the TX and PRIO queues. Even if rt2500usb and rt73usb do not get better performance after this patch, the endpoint detection still belongs to rt2x00usb, and it shouldn't hurt to always try to detect the available endpoints. Signed-off-by:
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Larry Finger authored
After considerable testing, the initial fears that the driver might damage some flavors of RTL8187B hardware seem to be groundless. Accordingly, the logged warning is removed. In addition, Kconfig is changed to remove the dependence on EXPERIMENTAL. Signed-off-by:
Larry Finger <Larry.Finger@lwfinger> Acked-by:
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Herton Ronaldo Krzesinski authored
Realtek 8187B has a receive command queue to feedback beacon interrupt and transmitted packet status. Use it to feedback mac80211 about status of transmitted packets. Unfortunately in the course of testing I found that the sequence number reported by hardware includes entire sequence control in a 12 bit only field, so a workaround is done to check only lowest bits. Tested-by:
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Herton Ronaldo Krzesinski authored
Add conf_tx callback and use it to configure tx queues of 8187L/8187B. Tested-by:
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Herton Ronaldo Krzesinski authored
Hin-Tak Leung reported that after the change "rtl8187: add short slot handling for 8187B" his RTL8187B started to give low throughput on network transfers. Turns out that the SIFS setting used isn't ok, it doesn't look to be the real aSIFSTime, using the "magical" 0x22 value like on other 818x variants as the vendor does too fixes the issue. Tested-by:
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Senthil Balasubramanian authored
Race condition causes RX buffers to be accessed even before it is initialized. The RX and TX buffers are initialized immediately after the hardware is registered with mac80211. The mac80211 start callback is ready to be fired once the device is registered for a case when the wpa_supplicant is also running at the same time. The same race condition is also possible for RKFILL registration as RFKILL init happens after the device registration with mac80211 and it is possible that rfkill_register would be called even before it is initialized. Signed-off-by:
Senthil Balasubramanian <senthilkumar@atheros.com> Signed-off-by:
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Senthil Balasubramanian authored
ath9k frees irq even before IRQs are disabled and existing IRQs are flushed when rfkill_register() fails. Signed-off-by:
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Senthil Balasubramanian authored
Currently, ath9k builds RFKILL feature only when the RFKILL subsystem is built part of the kernel. Build RFKILL feature regardless of whether RFKILL subsystem is built as a MODULE or part of the kernel. Signed-off-by:
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Senthil Balasubramanian authored
This patch fixes incorrect noise floor threshold values. Signed-off-by:
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Senthil Balasubramanian authored
init values update for various atheros chipsets. Signed-off-by:
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Luis R. Rodriguez authored
This enables the custom firmware regulatory solution option on iwlwifi drivers. These devices are uncapable of mapping their EEPROM regulatory domain to a specific ISO / IEC alpha2. Although the new 11n devices (>= iwl 5000) have only 3 regultaory SKUs -- MOW, ABG (no N) and BG -- the older devices (3945 and 4965) have a more complex SKU arrangement and therefore its not practical to move this to the driver. Signed-off-by:
Zhu Yi <yi.zhu@intel.com> Signed-off-by:
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Luis R. Rodriguez authored
This adds API to cfg80211 to allow wireless drivers to inform us if their firmware can handle regulatory considerations *and* they cannot map these regulatory domains to an ISO / IEC 3166 alpha2. In these cases we skip the first regulatory hint instead of expecting the driver to build their own regulatory structure, providing us with an alpha2, or using the reg_notifier(). Signed-off-by:
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Luis R. Rodriguez authored
This adds country IE parsing to mac80211 and enables its usage within the new regulatory infrastructure in cfg80211. We parse the country IEs only on management beacons for the BSSID you are associated to and disregard the IEs when the country and environment (indoor, outdoor, any) matches the already processed country IE. To avoid following misinformed or outdated APs we build and use a regulatory domain out of the intersection between what the AP provides us on the country IE and what CRDA is aware is allowed on the same country. A secondary device is allowed to follow only the same country IE as it make no sense for two devices on a system to be in two different countries. In the case the AP is using country IEs for an incorrect country the user may help compliance further by setting the regulatory domain before or after the IE is parsed and in that case another intersection will be performed. CONFIG_WIRELESS_OLD_REGULATORY is supported but requires CRDA present. Signed-off-by:
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Luis R. Rodriguez authored
Lets remain consistent and mark rds with > NL80211_MAX_SUPP_REG_RULES number of reg rules as invalid in is_valid_rd(). Signed-off-by:
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Luis R. Rodriguez authored
kobject_uevent_env() can return an error but it just tells us if the uvent was built/sent or not, it doesn't tell us anything about what happened in userspace, whether the udev rule was present nor does it tell us if CRDA was present or not. So remove the informative complaint about it assuming it will tell us such things. Note that you can determine if CRDA is present after loading cfg80211 by using: is_old_static_regdom(cfg80211_regdomain) but this doesn't account for possible user install after initial boot, and also for when the user uses the static EU regulatory domain. Signed-off-by:
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