- 26 Nov, 2008 40 commits
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David Kilroy authored
Signed-off by: David Kilroy <kilroyd@googlemail.com> Signed-off-by:John W. Linville <linville@tuxdriver.com>
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David Kilroy authored
This refactorring will make it easier to share logic with Symbol firmware. Signed-off by: David Kilroy <kilroyd@googlemail.com> Signed-off-by: -
Luis R. Rodriguez authored
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:
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Henrique de Moraes Holschuh authored
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:
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Henrique de Moraes Holschuh authored
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:
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Vivek Natarajan authored
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:
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Jouni Malinen authored
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:
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Felix Fietkau authored
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:
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Vasanthakumar Thiagarajan authored
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:
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Winkler, Tomas authored
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:
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Winkler, Tomas authored
This patch configures correctly TX DMA channel. It is not the same as TX queue. Signed-off-by:
Zhu Yi <yi.zhu@intel.com> Signed-off-by:
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Winkler, Tomas authored
Apply same idiom as in 5000 introduced by 'iwlwifi: define firmware file name once' Signed-off-by:
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Tomas Winkler authored
This patch adds base band calibration support. Signed-off-by:
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Winkler, Tomas authored
This patch moves iwl_clear_stations_table into iwl-sta.c Signed-off-by:
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Abhijeet Kolekar authored
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:
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Bob Copeland authored
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:
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Sujith authored
Signed-off-by:
Sujith <Sujith.Manoharan@atheros.com> Signed-off-by:
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Sujith authored
Signed-off-by:
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Sujith authored
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:
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Sujith authored
Also, use a helper function to setup RC status data when processing completed TX descriptors. Signed-off-by:
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Sujith authored
Break down huge functions, use helper functions or macros instead. Signed-off-by:
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Sujith authored
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:
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Sujith authored
Maintaining two sets of rate tables is redundant, remove one and use struct ath_rate_table exclusively. Signed-off-by:
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Sujith authored
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:
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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:
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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
Signed-off-by:
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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
Signed-off-by:
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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
Signed-off-by:
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Sujith authored
Setup legacy rates in ath_rate_init() itself. Signed-off-by:
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Sujith authored
Signed-off-by:
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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:
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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:
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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:
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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:
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