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Some print_mac -> %pM conversions got lost in some merge or another...
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Ivan Kuten <ivan.kuten@promwad.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch fixes a regression (introduced by
"p54: more definitions form lmac_longbow.h and pda.h")
It turned out that the "ret" variable wasn't initialized and
this caused the following warnings/errors to appear:
wmaster1: failed to set TX queue parameters for queue 2
wmaster1: failed to set TX queue parameters for queue 3
wmaster1: failed to set TX queue parameters for queue 1
wmaster1: failed to set TX queue parameters for queue 0
Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The TX channel width of the BSS can be obtained only after association.
In all cases, default to HT20 if HT is enabled, and set
chan width to HT40 only if the BSS supports it.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Merge core.c and base.c
Remove Antenna Diversity (unused now).
Remove unused chainmask handling code.
Comment, indentation scrub.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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In order to be consistent with NL80211_ATTR_POWER_RULE_MAX_EIRP,
change NL80211_FREQUENCY_ATTR_MAX_TX_POWER to use mBm and U32 instead
of dBm and U8. This is a userspace interface change, but the previous
version had not yet been pushed upstream and there are no userspace
programs using this yet, so there is justification to get this change in
as long as it goes in before the previous version gets out.
Signed-off-by: Jouni Malinen <j@w1.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Make firmware caching on startup optional, and make it default.
When the option is not selected and PM_SLEEP is configured, then
cache firmware in the suspend pm_notifier. This configuration saves
about 64k RAM in normal use, but can lead to a situation where the
driver is configured to use a different firmware.
Signed-off by: David Kilroy <kilroyd@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Retrieval of external firmware has been resolved, and should work with
the standard orinoco resume algorithm.
This fixes an issue where priv->hw_unavailable indicates the card is
ready when firmware has not been loaded.
Signed-off by: David Kilroy <kilroyd@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off by: David Kilroy <kilroyd@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This refactorring will make it easier to share logic with Symbol
firmware.
Signed-off by: David Kilroy <kilroyd@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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We would get an oops on RX on -ENOMEM by passing
NULL to the hardware on ath_rx_buf_link(). The oops
would look something like this:
ath_rx_tasklet+0x515/0x53b
ath9k_tasklet+0x48
tasklet_action
__do_softirq
irq_exit
do_IRQ
RIP: ath_rx_buf_link+0x3a
We correct this by handling the requeue directly on
the ath_rx_tasklet() and trying to allocate an skb
*prior* to sending up the last hardware processed
skb. If we run out of memory this gauranteees we have
skbs to work with while it simply drops new received
frames.
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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We "optimize" away the get_state() hook call on rfkill_toggle_radio
when doing a forced state change. This means the resume path is not
calling get_state() as it should.
Call it manually on the resume handler, as we don't want to mess with
the EPO path by removing the optimization. This has the added benefit
of making it explicit that rfkill->state could have been modified
before we hit the rfkill_toggle_radio() call in the class resume
handler.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The rfkill class API requires that the driver connected to a class
call rfkill_force_state() on resume to update the real state of the
rfkill controller, OR that it provides a get_state() hook.
This means there is potentially a hidden call in the resume code flow
that changes rfkill->state (i.e. rfkill_force_state()), so the
previous state of the transmitter was being lost.
The simplest and most future-proof way to fix this is to explicitly
store the pre-sleep state on the rfkill structure, and restore from
that on resume.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When a disassoc packet is received from the AP with a reason code of
'leaving the BSS', mac80211 should go into DISABLED state just as it
would do if the AP suddenly went away for some reason, as that is what
will happen shortly after the AP leaves anyway.
Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This is useful information to provide for userspace (e.g., hostapd needs
this to generate Country IE).
Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch brings the ath5k eeprom parsing code in sync with the work
done on ath_info by Nick Kossifidis and integrates the missing parts
based on the code of the Atheros Legacy HAL release.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Update the rate control only with the tx status of first
AMPDU of an aggregation. This patch fixes frequent drops
in throughput.
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This instructs FH to increment the retry count of a packet when
it is brought from the memory to TX-FIFO to save transactions
during aggregation flow.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch configures correctly TX DMA channel. It is not
the same as TX queue.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Acked-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Apply same idiom as in 5000 introduced by
'iwlwifi: define firmware file name once'
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch adds base band calibration support.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch moves iwl_clear_stations_table into iwl-sta.c
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Patch fixes the ad-hoc mode by
1) Removing redundant clear_stations_table which prevented generation of
beacons.
2) Setting assoc_id to 1. It was never set so preventing tx flow
in iwl3945_tx_skb.
Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Configure the mac address in add_interface and clear it in
remove_interface so that users can change the mac address
to something other than the one in the eeprom. Also avoid
setting it at attach time so that we won't ack packets
until fully set up.
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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CHANNEL_CCK flag is set for all 2 Ghz channels, so IS_CHAN_CCK() would
turn out to be true for all channles in that band.
Use IS_CHAN_B() now, which checks the channel mode and not the channel
flags.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Also, use a helper function to setup RC status data
when processing completed TX descriptors.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Break down huge functions, use helper functions or
macros instead.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Replace TRUE/FALSE macros with VALID/INVALID macros.
Follow a consistent variable convention.
Remove unnecessary comments.
Add all RC phy macros into a single enum.
Merge functions into reasonably sized entities.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Maintaining two sets of rate tables is redundant, remove one
and use struct ath_rate_table exclusively.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Remove the hack using vif, and use rate_driver_data within
skb->cb to hold driver specific rate information.
Setup the rate series in the skb's tx control area and remove
all references to ath9k specific rate series ( using struct ath_rc_series ).
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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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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Rate control init is now confined to itself, using the
HT capabilites of the STA from rate_init().
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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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: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Half/Quarter rate tables are needed only for legacy chipsets.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Setup legacy rates in ath_rate_init() itself.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Avoid casting of ath_tx_ratctrl and access the elements directly.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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[ 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: John W. Linville <linville@tuxdriver.com>
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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: John W. Linville <linville@tuxdriver.com>
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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: Larry Finger <Larry.Finger@lwfinger.net>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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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: John W. Linville <linville@tuxdriver.com>
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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: John W. Linville <linville@tuxdriver.com>
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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: John W. Linville <linville@tuxdriver.com>
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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_hw
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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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: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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