Felix Fietkau [Sat, 18 Dec 2010 23:31:55 +0000 (00:31 +0100)]
ath9k: do not limit the chainmask to 1 for legacy mode
Restricting the chainmask to 1 for legacy mode disables useful features
such as MRC, and it reduces the available transmit power.
I can't think of a good reason to do this in legacy mode, so let's just
get rid of that code.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Felix Fietkau [Sat, 18 Dec 2010 23:31:54 +0000 (00:31 +0100)]
ath9k_hw: fix PA predistortion HT40 mask
The commit 'ath9k_hw: Disable PAPRD for rates with low Tx power' changed
the code that sets the PAPRD rate masks to use only either the HT20 mask
or the HT40 mask. This is wrong, as the hardware can still use HT20 rates
even when configured for HT40, and the operating channel mode does not
affect PAPRD operation.
The register for the HT40 rate mask is applied as a mask on top of the
other registers to selectively disable PAPRD for specific rates on HT40
packets only.
This patch changes the code back to the old behavior which matches the
intended use of these registers. While with current cards this should not
make any practical difference (according to Atheros, the HT20 and HT40
mask should always be equal), it is more correct that way, and maybe
the HT40 mask will be used for some rare corner cases in the future.
Cc: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Felix Fietkau [Sat, 18 Dec 2010 18:30:50 +0000 (19:30 +0100)]
mac80211: fix potentially redundant skb data copying
When an skb is shared, it needs to be duplicated, along with its data buffer.
If the skb does not have enough headroom, using skb_copy might cause the data
buffer to be copied twice (once by skb_copy and once by pskb_expand_head).
Fix this by using skb_clone initially and letting ieee80211_skb_resize sort
out the rest.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Felix Fietkau [Sat, 18 Dec 2010 18:30:49 +0000 (19:30 +0100)]
mac80211: skip unnecessary pskb_expand_head calls
If the skb is not cloned and we don't need any extra headroom, there
is no point in reallocating the skb head.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Felix Fietkau [Sat, 18 Dec 2010 18:30:48 +0000 (19:30 +0100)]
mac80211: fix initialization of skb->cb in ieee80211_subif_start_xmit
The change 'mac80211: Fix BUG in pskb_expand_head when transmitting shared skbs'
added a check for copying the skb if it's shared, however the tx info variable
still points at the cb of the old skb
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Dan Carpenter [Sat, 18 Dec 2010 08:52:10 +0000 (11:52 +0300)]
wl1251: wl12xx_get_platform_data() returns an ERR_PTR
wl12xx_get_platform_data() returns an ERR_PTR on failure and it never
returns a NULL.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Kalle Valo <kvalo@adurom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Larry Finger [Sat, 18 Dec 2010 01:36:25 +0000 (19:36 -0600)]
rtlwifi: Fix use of mutex in interrupt code
A previous conversion from semaphoreto mutexes missed the fact that one
of the semaphores was used in interrupt code. Fixed by changing to
a spinlock.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Larry Finger [Fri, 17 Dec 2010 22:04:11 +0000 (16:04 -0600)]
MAINTAINERS: Fix typo in rtl8192ce entry
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Mohammed Shafi Shajakhan [Fri, 17 Dec 2010 15:14:36 +0000 (20:44 +0530)]
ath9k: Properly initialize channel table for 2GHz
ath9k channel table for 2Ghz does not seems to initialize the 'band'
parameter.Though it does not seems to cause any visible issue it looks
odd when we initialize the 'band' parameter for 5Ghz channel table while
not so for 2Ghz.
Signed-off-by: Mohammed Shafi Shajakhan <mshajakhan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Anisse Astier [Fri, 17 Dec 2010 10:45:01 +0000 (11:45 +0100)]
rtl8192ce: Fix typo in Kconfig description
Signed-off-by: Anisse Astier <anisse@astier.eu>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Felix Fietkau [Thu, 16 Dec 2010 23:57:01 +0000 (00:57 +0100)]
ath9k_hw: remove baseband rfsilent support
When rfkill is enabled, ath9k_hw unnecessarily configured the baseband to
turn off based on GPIO input, however that code was hardcoded to GPIO 0
instead of ah->rfkill_gpio.
Since ath9k uses software rfkill anyway, this code is completely unnecessary
and should be removed in case anything else ever uses GPIO 0.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Felix Fietkau [Thu, 16 Dec 2010 23:57:00 +0000 (00:57 +0100)]
ath9k: fix queue depth check for forming new aggregates
To improve aggregation length, there should not be more than two fully formed
A-MPDU frames in the hardware queue. To ensure this, the code checks the tx
queue length before forming new A-MPDUs. This can reduce the throughput (or
maybe even starve out A-MPDU traffic) when too many non-aggregated frames are
in the queue.
Fix this by keeping track of pending A-MPDU frames (even when they're sent out
as single frames), but exclude rate control probing frames to improve
performance.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
John W. Linville [Thu, 16 Dec 2010 20:43:36 +0000 (15:43 -0500)]
rtl8192ce: drop 'rtl8192c-' prefix from files
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Tested-by: Larry Finger <Larry.Finger@lwfinger.net>
Javier Cardona [Fri, 17 Dec 2010 01:23:34 +0000 (17:23 -0800)]
mac80211: Remove unused third address from mesh address extension header.
The Mesh Control header only includes 0, 1 or 2 addresses. If there is
one address, it should be interpreted as Address 4. If there are 2,
they are interpreted as Addresses 5 and 6 (Address 4 being the 4th
address in the 802.11 header).
The address extension used to hold up to 3 addresses instead of the current 2.
I'm not sure which draft version changed this, but it is very unlikely that it
will change again given the state of the approval process of this draft. See
section 7.1.3.6.3 in current draft (8.0).
Also, note that the extra address that I'm removing was not being used, so this
change has no effect on over-the-air frame formats. But I thought I better
remove it before someone does start using it.
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Bruno Randolf [Thu, 16 Dec 2010 02:30:33 +0000 (11:30 +0900)]
ath5k: Set available antenna information for cfg80211
Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Bruno Randolf [Thu, 16 Dec 2010 02:30:28 +0000 (11:30 +0900)]
nl80211: Export available antennas
Export the information which antennas are available for configuration as TX or
RX antennas via nl80211.
Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Bruno Randolf [Thu, 16 Dec 2010 02:30:22 +0000 (11:30 +0900)]
cfg80211: Separate available antennas for RX and TX
As has been pointed out by Daniel Halperin some devices (e.g. Intel IWL5100)
can only TX from a subset of RX antennas, so use separate availability masks
for RX and TX.
Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Javier Cardona [Fri, 17 Dec 2010 01:37:50 +0000 (17:37 -0800)]
mac80211: Send mesh non-HWMP path selection frames to userspace
Let path selection frames for protocols other than HWMP be sent to
userspace via NL80211_CMD_REGISTER_FRAME. Also allow userspace to send
and receive mesh path selection frames.
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Javier Cardona [Fri, 17 Dec 2010 01:37:49 +0000 (17:37 -0800)]
mac80211: Let userspace enable and configure vendor specific path selection.
Userspace will now be allowed to toggle between the default path
selection algorithm (HWMP, implemented in the kernel), and a vendor
specific alternative. Also in the same patch, allow userspace to add
information elements to mesh beacons. This is accordance with the
Extensible Path Selection Framework specified in version 7.0 of the
802.11s draft.
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Javier Cardona [Fri, 17 Dec 2010 01:37:48 +0000 (17:37 -0800)]
mac80211: Rename mesh_params to mesh_config to prepare for mesh_setup
Mesh parameters can be to setup a mesh or to configure it.
This patch renames the ambiguous name mesh_params to mesh_config
in preparation for mesh_setup.
Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Larry Finger [Thu, 16 Dec 2010 17:13:57 +0000 (11:13 -0600)]
rtlwifi: Switch locking from semaphores to mutexes
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Larry Finger [Thu, 16 Dec 2010 15:13:21 +0000 (09:13 -0600)]
rtl8192ce: Update MAINTAINERS
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Bruno Randolf [Thu, 16 Dec 2010 07:22:20 +0000 (16:22 +0900)]
ath5k: Fix survey
The old survey implementation was broken and returned nonsense data.
Clear cycle counters and survey data on reset. Since the cycle counters easily
overflow it's better to keep a local version of collected survey data (in ms
resolution, instead of clockrate) and update this every time survey is
retrieved. If survey is retrieved often enough to avoid cycle counter overflows
this works fine, otherwise we could update survey more often, like ath9k does.
Still only the survey for the current channel is kept.
Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Larry Finger [Thu, 16 Dec 2010 04:55:34 +0000 (22:55 -0600)]
rtl8192ce: Fix build on powerpc
After merge of the rtl8192ce driver, a powerpc build fails with:
drivers/net/wireless/rtlwifi/rtl8192ce/rtl8192c-sw.c: In function 'rtl92c_init_sw_vars':
drivers/net/wireless/rtlwifi/rtl8192ce/rtl8192c-sw.c:76: error: implicit declaration of function 'vmalloc'
drivers/net/wireless/rtlwifi/rtl8192ce/rtl8192c-sw.c:76: warning: cast to pointer from integer of different size
drivers/net/wireless/rtlwifi/rtl8192ce/rtl8192c-sw.c: In function 'rtl92c_deinit_sw_vars':
drivers/net/wireless/rtlwifi/rtl8192ce/rtl8192c-sw.c:91: error: implicit declaration of function 'vfree'
The problem is fixed by explicitly including the appropriate header.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Luis R. Rodriguez [Thu, 16 Dec 2010 03:24:12 +0000 (19:24 -0800)]
ath: fix NULL pointer dereference on reg_notifier()
The reg_notifier() was recently updated as being capable of
having the request passed as NULL, fix ath to follow this API
change. Without this we end up oopsing:
BUG: unable to handle kernel NULL pointer dereference at
0000000000000004
IP: [<
ffffffffa02fb8cb>] ath_reg_notifier_apply+0x5b/0xa0 [ath]
PGD
b4c4c067 PUD
b4c4d067 PMD 0
Oops: 0000 [#1] SMP DEBUG_PAGEALLOC
last sysfs file: /sys/devices/pci0000:00/0000:00:1b.0/uevent
CPU 1
Modules linked in: <etc>
Pid: 436, comm: modprobe Not tainted 2.6.37-rc5-wl+ #36 6460DWU/6460DWU
RIP: 0010:[<
ffffffffa02fb8cb>] [<
ffffffffa02fb8cb>] ath_reg_notifier_apply+0x5b/0xa0 [ath]
RSP: 0018:
ffff8800b6f6baa8 EFLAGS:
00010246
RAX:
ffff8800b527b254 RBX:
ffff8800b532c180 RCX:
0000000000000018
RDX:
ffff8800b530c108 RSI:
0000000000000000 RDI:
ffff8800b532c180
RBP:
ffff8800b6f6baa8 R08:
ffff8800b532f268 R09:
0000000000000235
R10:
00000000000016ad R11:
0000000000000018 R12:
0000000000000000
R13:
0000000000000016 R14:
ffff8800b532f268 R15:
0000000000000011
FS:
00007f0c53104700(0000) GS:
ffff8800bed00000(0000) knlGS:
0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0:
000000008005003b
CR2:
0000000000000004 CR3:
00000000b6531000 CR4:
00000000000006e0
DR0:
0000000000000000 DR1:
0000000000000000 DR2:
0000000000000000
DR3:
0000000000000000 DR6:
00000000ffff0ff0 DR7:
0000000000000400
Process modprobe (pid: 436, threadinfo
ffff8800b6f6a000, task
ffff8800b404dc40)
Stack:
ffff8800b6f6bac8 ffffffffa03ea651 ffff8800b532c180 ffff8800b527b254
ffff8800b6f6bb38 ffffffffa01835ca ffffffffa019ed00 00000000a019ed80
0000000000000002 ffff880000000002 ffffffffa0366140 0000000010aee572
Call Trace:
[<
ffffffffa03ea651>] ath9k_reg_notifier+0x41/0x50 [ath9k]
[<
ffffffffa01835ca>] wiphy_update_regulatory+0x4ba/0x5a0 [cfg80211]
[<
ffffffffa0366140>] ? ieee80211_register_hw+0xa0/0x5b0 [mac80211]
[<
ffffffffa0366140>] ? ieee80211_register_hw+0xa0/0x5b0 [mac80211]
[<
ffffffffa017f994>] wiphy_register+0x1d4/0x360 [cfg80211]
[<
ffffffff8114b918>] ? __kmalloc+0x108/0x1c0
[<
ffffffffa0366223>] ieee80211_register_hw+0x183/0x5b0 [mac80211]
[<
ffffffffa03eb49b>] ath9k_init_device+0x66b/0x850 [ath9k]
[<
ffffffffa03f9dd6>] ath_pci_probe+0x2f6/0x3c0 [ath9k]
[<
ffffffff81037529>] ? default_spin_lock_flags+0x9/0x10
[<
ffffffff812e19cf>] local_pci_probe+0x5f/0xd0
[<
ffffffff812e2bf1>] pci_device_probe+0x101/0x120
[<
ffffffff81390aca>] ? driver_sysfs_add+0x7a/0xb0
[<
ffffffff81390c26>] driver_probe_device+0x96/0x1c0
[<
ffffffff81390deb>] __driver_attach+0x9b/0xa0
[<
ffffffff81390d50>] ? __driver_attach+0x0/0xa0
[<
ffffffff81390008>] bus_for_each_dev+0x68/0x90
[<
ffffffff81390a4e>] driver_attach+0x1e/0x20
[<
ffffffff81390309>] bus_add_driver+0xe9/0x290
[<
ffffffffa0407000>] ? ath9k_init+0x0/0x4d [ath9k]
[<
ffffffff81391130>] driver_register+0x80/0x150
[<
ffffffffa0407000>] ? ath9k_init+0x0/0x4d [ath9k]
[<
ffffffffa0407000>] ? ath9k_init+0x0/0x4d [ath9k]
[<
ffffffff812e2e76>] __pci_register_driver+0x56/0xd0
[<
ffffffffa03f9ec3>] ath_pci_init+0x23/0x30 [ath9k]
[<
ffffffffa040702b>] ath9k_init+0x2b/0x4d [ath9k]
[<
ffffffff81002053>] do_one_initcall+0x43/0x190
[<
ffffffff8109fb5b>] sys_init_module+0xbb/0x200
[<
ffffffff8100c042>] system_call_fastpath+0x16/0x1b
Code: <who even reads this anyway? haha, ok you do>
RIP [<
ffffffffa02fb8cb>] ath_reg_notifier_apply+0x5b/0xa0 [ath]
RSP <
ffff8800b6f6baa8>
CR2:
0000000000000004
---[ end trace
6d03d3c7eda9f06b ]---
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Luis R. Rodriguez [Thu, 16 Dec 2010 03:24:11 +0000 (19:24 -0800)]
cfg80211: fix null pointer dereference with a custom regulatory request
Once we moved the core regulatory request to the queue and let
the scheduler process it last_request will have been left NULL
until the schedular decides to process the first request. When
this happens and we are loading a driver with a custom regulatory
request like all Atheros drivers we end up with a NULL pointer
dereference. We fix this by checking if the request was a
custom one.
BUG: unable to handle kernel NULL pointer dereference at
0000000000000004
IP: [<
ffffffffa016de87>] freq_reg_info_regd.clone.2+0x27/0x130 [cfg80211]
PGD
71f91067 PUD
712b2067 PMD 0
Oops: 0000 [#1] PREEMPT SMP
last sysfs file: /sys/devices/pci0000:00/0000:00:1d.7/usb2/2-1/firmware/2-1/loading
CPU 0
Modules linked in: ath9k_htc(+) ath9k_common ath9k_hw ath <etc>
Pid: 3094, comm: insmod Tainted: G W 2.6.37-rc5-wl #16 INVALID/28427ZQ
RIP: 0010:[<
ffffffffa016de87>] [<
ffffffffa016de87>] freq_reg_info_regd.clone.2+0x27/0x130 [cfg80211]
RSP: 0018:
ffff88007045db78 EFLAGS:
00010282
RAX:
0000000000000000 RBX:
ffffffffa047d9a0 RCX:
ffff88007045dbd0
RDX:
0000000000004e20 RSI:
000000000024cde0 RDI:
ffff8800700483e0
RBP:
ffff88007045db98 R08:
ffffffffa02f5b40 R09:
0000000000000001
R10:
000000000000000e R11:
0000000000000001 R12:
0000000000000000
R13:
ffff88007004e3b0 R14:
0000000000000000 R15:
ffff880070048340
FS:
00007f635a707700(0000) GS:
ffff880077400000(0000) knlGS:
0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0:
000000008005003b
CR2:
0000000000000004 CR3:
00000000708a9000 CR4:
00000000000006f0
DR0:
0000000000000000 DR1:
0000000000000000 DR2:
0000000000000000
DR3:
0000000000000000 DR6:
00000000ffff0ff0 DR7:
0000000000000400
Process insmod (pid: 3094, threadinfo
ffff88007045c000, task
ffff8800713e3ec0)
Stack:
ffffffffa047d9a0 0000000000000000 ffff88007004e3b0 0000000000000000
ffff88007045dc08 ffffffffa016e147 000000007045dc08 0000000000000002
ffff8800700483e0 ffffffffa02f5b40 ffff88007045dbd8 0000000000000000
Call Trace:
[<
ffffffffa016e147>] wiphy_apply_custom_regulatory+0x137/0x1d0 [cfg80211]
[<
ffffffffa047a690>] ? ath9k_reg_notifier+0x0/0x50 [ath9k_htc]
[<
ffffffffa02f47f7>] ath_regd_init+0x347/0x430 [ath]
[<
ffffffffa047b1f5>] ath9k_htc_probe_device+0x6c5/0x960 [ath9k_htc]
[<
ffffffffa0472a2c>] ath9k_htc_hw_init+0xc/0x30 [ath9k_htc]
[<
ffffffffa04747e6>] ath9k_hif_usb_probe+0x216/0x3b0 [ath9k_htc]
[<
ffffffffa03bb6bc>] usb_probe_interface+0x10c/0x210 [usbcore]
[<
ffffffff812aec26>] driver_probe_device+0x96/0x1c0
[<
ffffffff812aedf3>] __driver_attach+0xa3/0xb0
[<
ffffffff812aed50>] ? __driver_attach+0x0/0xb0
[<
ffffffff812adaae>] bus_for_each_dev+0x5e/0x90
[<
ffffffff812ae8c9>] driver_attach+0x19/0x20
[<
ffffffff812ae438>] bus_add_driver+0x168/0x320
[<
ffffffff812af071>] driver_register+0x71/0x140
[<
ffffffff811fc4a8>] ? __raw_spin_lock_init+0x38/0x70
[<
ffffffffa03ba39c>] usb_register_driver+0xdc/0x190 [usbcore]
[<
ffffffffa03a2000>] ? ath9k_htc_init+0x0/0x4f [ath9k_htc]
[<
ffffffffa047499e>] ath9k_hif_usb_init+0x1e/0x20 [ath9k_htc]
[<
ffffffffa03a202b>] ath9k_htc_init+0x2b/0x4f [ath9k_htc]
[<
ffffffff8100212f>] do_one_initcall+0x3f/0x180
[<
ffffffff8109ef5b>] sys_init_module+0xbb/0x200
[<
ffffffff8100bf52>] system_call_fastpath+0x16/0x1b
Code: <etc, who cares>
RIP [<
ffffffffa016de87>] freq_reg_info_regd.clone.2+0x27/0x130 [cfg80211]
RSP <
ffff88007045db78>
CR2:
0000000000000004
---[ end trace
79e4193601c8b713 ]---
Reported-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Vasanthakumar Thiagarajan [Wed, 15 Dec 2010 15:30:53 +0000 (07:30 -0800)]
ath9k_hw: Configure appropriate Tx power when PAPRD fails
Target Tx power available in eeprom is for PAPRD. If PAPRD
fails, paprd scale factor needs to be detected from this
target tx power.
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Vasanthakumar Thiagarajan [Wed, 15 Dec 2010 15:30:52 +0000 (07:30 -0800)]
ath9k_hw: Disable PAPRD for rates with low Tx power
When the drop in Tx power for a particular mcs rate exceeds
the paprd scale factor, paprd may not work properly. Disable
paprd for any such rates.
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Vasanthakumar Thiagarajan [Wed, 15 Dec 2010 15:30:51 +0000 (07:30 -0800)]
ath9k_hw: Add a helper to get paprd scale factor
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Vasanthakumar Thiagarajan [Wed, 15 Dec 2010 15:30:50 +0000 (07:30 -0800)]
ath9k_hw: Tx IQ cal changes for AR9003
Add multiple Tx IQ cal support to improve EVM accross
different power levels.
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Vasanthakumar Thiagarajan [Wed, 15 Dec 2010 15:30:49 +0000 (07:30 -0800)]
ath9k_hw: Move get_streams() to hw.h
This helper can be used in multiple places. Also make
it inline returning u8.
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Vasanthakumar Thiagarajan [Wed, 15 Dec 2010 15:30:48 +0000 (07:30 -0800)]
ath9k_hw: Remove unnecessary Rx IQ cal register configuration in ar9003_hw_tx_iq_cal()
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Vasanthakumar Thiagarajan [Wed, 15 Dec 2010 15:30:47 +0000 (07:30 -0800)]
ath9k_hw: Remove delay during regwrite of analog shift registers
This is not needed for AR9003.
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Jouni Malinen [Wed, 15 Dec 2010 22:52:40 +0000 (00:52 +0200)]
nl80211: Add notification for dropped Deauth/Disassoc
Add a new notification to indicate that a received, unprotected
Deauthentication or Disassociation frame was dropped due to
management frame protection being in use. This notification is
needed to allow user space (e.g., wpa_supplicant) to implement
SA Query procedure to recover from association state mismatch
between an AP and STA.
This is needed to avoid getting stuck in non-working state when MFP
(IEEE 802.11w) is used and a protected Deauthentication or
Disassociation frame is dropped for any reason. After that, the
station would silently discard any unprotected Deauthentication or
Disassociation frame that could be indicating that the AP does not
have association for the STA (when the Reason Code would be 6 or 7).
IEEE Std 802.11w-2009, 11.13 describes this recovery mechanism.
Signed-off-by: Jouni Malinen <j@w1.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
John W. Linville [Thu, 16 Dec 2010 20:21:33 +0000 (15:21 -0500)]
Merge branch 'wl12xx-next' of git://git./linux/kernel/git/luca/wl12xx
Sedat Dilek [Thu, 16 Dec 2010 11:46:23 +0000 (12:46 +0100)]
iwlwifi: Fix error: struct iwl_lq_sta has no member named dbg_fixed_rate
While compiling linux-next (next-
20101216) I fell over this breakage:
...
drivers/net/wireless/iwlwifi/iwl-agn-rs.c: In function ‘iwl_rs_rate_init’:
drivers/net/wireless/iwlwifi/iwl-agn-rs.c:2876:8: error: ‘struct iwl_lq_sta’ has no member named ‘dbg_fixed_rate’
dbg_fixed_rate is only used when CONFIG_MAC80211_DEBUGFS is set:
[ drivers/net/wireless/iwlwifi/iwl-agn-rs.h ]
...
#ifdef CONFIG_MAC80211_DEBUGFS
struct dentry *rs_sta_dbgfs_scale_table_file;
struct dentry *rs_sta_dbgfs_stats_table_file;
struct dentry *rs_sta_dbgfs_rate_scale_data_file;
struct dentry *rs_sta_dbgfs_tx_agg_tid_en_file;
u32 dbg_fixed_rate;
#endif
The issue was introduced by commit
a1da077bc36368eb7d6312e7e49260f0a3d92c77:
"iwlwifi: clear dbg_fixed_rate during init"
Signed-off-by: Sedat Dilek <sedat.dilek@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
John W. Linville [Thu, 16 Dec 2010 14:20:16 +0000 (09:20 -0500)]
rtlwifi: convert to __packed notation
Use "__packed" instead of "__attribute__ ((packed))"...
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Shan Wei [Wed, 15 Dec 2010 06:27:28 +0000 (14:27 +0800)]
wireless:mac80211: kill unuse macro MESH_CFG_CMP_LEN in mesh.h
Commit
00d3f14c has removed the references of this macro,
but left it only. So remove this definition.
commit
00d3f14cf9f12c21428121026a5e1d5f65926447
Author: Johannes Berg <johannes@sipsolutions.net>
Date: Tue Feb 10 21:26:00 2009 +0100
mac80211: use cfg80211s BSS infrastructure
Remove all the code from mac80211 to keep track of BSSes
and use the cfg80211-provided code completely.
Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Mohammed Shafi Shajakhan [Wed, 15 Dec 2010 07:32:46 +0000 (13:02 +0530)]
ath9k: Add comments for making pm-qos as modparam
PM-QOS value can be user specified via module parameter.
This patch adds few comments regarding this in the driver
code.
Signed-off-by: Mohammed Shafi Shajakhan <mshajakhan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Sujith Manoharan [Wed, 15 Dec 2010 02:17:23 +0000 (07:47 +0530)]
ath9k_htc: Remove PCI specific configuration
This is not required for USB devices.
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Sujith Manoharan [Wed, 15 Dec 2010 02:17:10 +0000 (07:47 +0530)]
mac80211: Add timeout to BA session start API
Allow drivers or rate control algorithms to specify BlockAck session
timeout when initiating an ADDBA transaction. This is useful in cases
where maintaining persistent BA sessions does not incur any overhead.
The current timeout value of 5000 TUs is retained for all non ath9k/ath9k_htc
drivers.
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Berg [Tue, 14 Dec 2010 16:54:28 +0000 (17:54 +0100)]
nl80211: advertise maximum remain-on-channel duration
With the upcoming hardware offload implementation,
some devices will have a different maximum duration
for the remain-on-channel command. Advertise the
maximum duration in mac80211, and make mac80211 set
it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Wey-Yi Guy [Tue, 14 Dec 2010 15:38:58 +0000 (07:38 -0800)]
iwlagn: fix witespace damage
patch "iwlagn: check ready in iwlagn_bss_info_changed()" introduce
whitespace, fix it
please merge with the previous patch
Reported by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Mohammed Shafi Shajakhan [Tue, 14 Dec 2010 07:48:28 +0000 (13:18 +0530)]
ath9k: Make PM-QOS value as user configurable
This patch allows the pm-qos value to be user configurable by making it as
a module parameter.This will help our customers to configure the pm-qos
value according to the effect in throughput due to the DMA latency problem
which was observed in Intel Pinetrail platforms.
The tested value of '55' will be filled as the default
pm-qos-value incase the user does not specifies pm-qos value as a
module parameter.
example usage: sudo modprobe ath9k pmqos=65
Cc: Senthilkumar Balasubramanian <Senthilkumar.Balasubramanian@Atheros.com>
Signed-off-by: Mohammed Shafi Shajakhan <mshajakhan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
John W. Linville [Wed, 15 Dec 2010 21:37:55 +0000 (16:37 -0500)]
Merge branch 'wireless-next-2.6' of git://git./linux/kernel/git/iwlwifi/iwlwifi-2.6
Conflicts:
drivers/net/wireless/iwlwifi/iwl-1000.c
drivers/net/wireless/iwlwifi/iwl-6000.c
drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c
drivers/net/wireless/iwlwifi/iwl-core.h
John W. Linville [Wed, 15 Dec 2010 21:33:28 +0000 (16:33 -0500)]
Merge branch 'master' of git://git./linux/kernel/git/linville/wireless-2.6
Conflicts:
drivers/net/wireless/iwlwifi/iwl-1000.c
drivers/net/wireless/iwlwifi/iwl-6000.c
drivers/net/wireless/iwlwifi/iwl-core.h
Larry Finger [Wed, 8 Dec 2010 17:12:31 +0000 (11:12 -0600)]
rtl8192ce: Add new driver
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Luciano Coelho [Wed, 15 Dec 2010 14:10:12 +0000 (16:10 +0200)]
wl12xx_sdio_test: rename files to match current style
Change some file names and Kconfig settings so that this new module matches
the new way of using wl12xx instead of wl1271.
Also fix SDIO power enabling and disabling to match the latest way of doing
it.
Cc: Roger Quadros <roger.quadros@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Juuso Oikarinen [Mon, 13 Dec 2010 07:52:37 +0000 (09:52 +0200)]
wl12xx: Change TX queue to be per AC
With the current single-queue implementation traffic priorization is not
working correctly - when using multiple BE streams and one, say VI stream,
the VI stream will share bandwidth almost equally with the BE streams.
To fix the issue, implement per AC queues, which are emptied in priority
order to the firmware. To keep it relatively simple, maintain a global
buffer count and global queue stop/wake instead of per-AC.
With these changes, priorization appears to work just fine.
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Eliad Peller [Sun, 12 Dec 2010 10:15:35 +0000 (12:15 +0200)]
wl12xx: allow runtime changing of debug_level
Currently, the debug level is set in compilation time (by the DEBUG_LEVEL
const). This method has the advantage of compiling only the relevant
messages, while optimizing out the unused ones.
In order to allow runtime control over the debug_level, while optimizing
out messages when debug messages are not needed, we combine some methods:
1. use dynamic_debug (pr_debug) rather then printk.
2. add debug_level module param in order to set debug level during insmod.
3. add debug_level sysfs file in order to allow dynamic control over the
debug level.
Since patches for pr_debug_hex_dump() implementation haven't been applied yet,
we are still temporarly using print_hex_dump().
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Guy Eilam [Thu, 9 Dec 2010 14:54:59 +0000 (16:54 +0200)]
wl1271: fixed problem with WPS IEs in probe requests
Inclusion of a WPS IE in probe requests caused a problem
in the driver due to the maximum size of the probe request
template and the max_scan_ie_len values at initialization.
Increased the size of probe request template
to the maximum size allowed by the firmware.
Struct wl12xx_probe_req_template, which was only used
for calculating the max size of the probe request template,
is no longer used and needed.
max_scan_ie_len is used for validating the size of
additional IEs in scan requests.
Initialized the max_scan_ie_len field to the maximum size
of the probe request template minus the ieee80211 header size.
Signed-off-by: Guy Eilam <guy@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Eliad Peller [Thu, 9 Dec 2010 09:31:27 +0000 (11:31 +0200)]
wl12xx: add auto-arp support
The auto-arp feature of wl12xx allows the firmware to automatically
response to arp requests asking for its ip.
in order to use it, we configure the arp response template and
enable the corresponding bit in wl1271_acx_arp_filter (along with
passing its ip)
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Roger Quadros [Wed, 1 Dec 2010 09:58:54 +0000 (11:58 +0200)]
wl1271_sdio_test: Add module for sdio RX/TX testing
This module enables individually generating RX and TX traffic
over the SDIO bus on which the WL1271 chipset is connected.
This is required to perform RF interference testing.
The module takes 2 module parameters 'rx' and 'tx'.
To generate RX traffic:
modprobe wl1271_sdio_test rx=1
To generate TX traffic:
modprobe wl1271_sdio_test tx=1
To generate both RX & TX traffic, set both rx and tx to 1.
You can change the testing configuration at runtime by changing
the rx & tx values at /sys/modules/wl1271_sdio_test/
To stop testing simply unload the module.
Signed-off-by: Roger Quadros <roger.quadros@nokia.com>
Reviewed-by: Carlos Chinea <carlos.chinea@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Luciano Coelho [Fri, 3 Dec 2010 15:05:40 +0000 (17:05 +0200)]
wl12xx: disable 11a channels when wl->enable_11a is known
Disabling the 11a channels when not supported in the reg_notify function was
not working as it should, because when the driver is initiailizing (and
registering itself with mac80211), it would get the reg notification too
early. At that point the driver wouldn't have received the NVS yet, so it
wouldn't know whether 11a was supported.
To fix this, we disable 11a channels when we read the NVS instead. Also, it
is easier (and still safe) to set n_channels to zero instead of setting the
disabled flag on every 11a channel.
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Eduardo Costa [Tue, 14 Dec 2010 20:37:59 +0000 (14:37 -0600)]
p54usb: New USB ID for Gemtek WUBI-100GW
This USB ID is for the WUBI-100GW 802.11g Wireless LAN USB Device that
uses p54usb.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Eduardo Costa <ecosta.tmp@gmail.com>
Cc: Stable <stable@kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Wey-Yi Guy [Wed, 8 Dec 2010 15:51:50 +0000 (07:51 -0800)]
iwlagn: code clean up to remove duplicate code
Multiple devices use almost the same .cfg with minor differences.
Use macro and remove the duplication. By doing this, reduce
the chance for mistake while modify .cfg parameters
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Wey-Yi Guy [Wed, 8 Dec 2010 23:34:52 +0000 (15:34 -0800)]
iwlwifi: keep track of bt coex enable/disable stage
For debugging purpose, keep track of the bt coex enable/disable state.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Wey-Yi Guy [Tue, 7 Dec 2010 16:06:31 +0000 (08:06 -0800)]
iwlwifi: do not reload fw if WiMAX own the RF
For WiFi/WiMAX combo devices, if WiMAX own the RF, WiFi driver
try to access RF and fail. This is the W/A to To avoid WiFi keep
reloading firmware and try to access RF again.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Wey-Yi Guy [Fri, 3 Dec 2010 18:33:36 +0000 (10:33 -0800)]
iwlagn: More detail tx power logging
For enhanced tx power table in EEPROM, add more detail logging
to help debugging
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Wey-Yi Guy [Fri, 3 Dec 2010 18:33:35 +0000 (10:33 -0800)]
iwlwifi: use IWL_DEBUG_EEPROM for EEPROM related info
For logging EEPROM related info, instead of using IWL_DEBUG_INFO,
use the dedicated logging (IWL_DEBUG_EEPROM) for easier debugging
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Wey-Yi Guy [Fri, 3 Dec 2010 18:33:34 +0000 (10:33 -0800)]
iwlwifi: add new EEPROM debug log type
Adding new debug type to log EEPROM related data
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Johannes Berg [Thu, 9 Dec 2010 20:56:42 +0000 (12:56 -0800)]
iwlagn: remove old EEPROM TX power reading
This removes the old TX power reading code, it isn't
necessary since the new code is able to read all the
various EEPROM layouts due to relying on information
contained in the EEPROM.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Johannes Berg [Thu, 9 Dec 2010 17:30:14 +0000 (09:30 -0800)]
iwlagn: implement layout-agnostic EEPROM reading
The current EEPROM reading code has some layout
assumptions that now turned out to be false with
some newer versions of the EEPROM. Luckily, we
can avoid all such assumptions by using data in
the EEPROM itself, so implement using that.
However, for risk mitigation purposes, keep the
old reading code for current hardware for now.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Johannes Berg [Tue, 30 Nov 2010 19:03:44 +0000 (11:03 -0800)]
iwlagn: rename enhanced txpower fields
Some fields we didn't previously use from the
enhanced TX power structure will be needed in
the next patch, so rename them to their correct
names to be able to use them and change code
reading them accordingly.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Wey-Yi Guy [Mon, 6 Dec 2010 19:51:39 +0000 (11:51 -0800)]
iwlagn: rx antenna diversity
For the new 1x1 devices, hw and uCode will support rx
antenna diversity, but we need to indicate 1x1 device to
AccessPoint to make sure it won't use MIMO.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Johannes Berg [Tue, 30 Nov 2010 21:24:36 +0000 (13:24 -0800)]
iwlagn: fix debug variable access
The compiler correctly warns:
iwl-agn-tx.c: In function ‘iwlagn_tx_status_reply_compressed_ba’:
iwl-agn-tx.c:1240: warning: ‘bitmap’ may be used uninitialized in this function
Move the debug print to the branch that reads the
bitmap, and move the variables too so it's more
obvious where they are needed.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Shanyu Zhao [Thu, 2 Dec 2010 19:02:28 +0000 (11:02 -0800)]
iwlagn: check ready in iwlagn_bss_info_changed()
In function iwlagn_bss_info_changed(), we need to check if the driver
is ready before doing real work. Also, the previously put WARN() is
removed because the vif is not guaranteed to be valid. uCode restart
routine will clear the vif.
Signed-off-by: Shanyu Zhao <shanyu.zhao@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Shanyu Zhao [Thu, 2 Dec 2010 19:02:54 +0000 (11:02 -0800)]
iwlwifi: clear dbg_fixed_rate during init
This prevent bad fixed_rate keeps crashing uCode in an endless loop.
Signed-off-by: Shanyu Zhao <shanyu.zhao@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Wey-Yi Guy [Mon, 29 Nov 2010 18:45:16 +0000 (10:45 -0800)]
iwlagn: change led compensation for 6005 and 6030 devices
For both 6005 and 6030 devices, change the led compensation to 57
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Wolfgang Kufner [Mon, 13 Dec 2010 11:39:39 +0000 (12:39 +0100)]
rt2x00: Fix firmware loading regression on x86_64.
Commit
6175ddf06b6172046a329e3abfd9c901a43efd2e changes the way
memcpy_toio() works for x86_64, causing firmware loading to fail for
some Ralink WLAN devices with the rt2800pci driver since linux 2.6.34.
This causes the log message: "phy0 -> rt2800pci_load_firmware: Error -
PBF system register not ready.".
Fix this by using __iowrite32_copy instead of memcpy_toio().
Signed-off-by: Wolfgang Kufner <wolfgang.kufner@gmail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Wolfgang Kufner [Mon, 13 Dec 2010 11:39:12 +0000 (12:39 +0100)]
rt2x00: Pad beacon to multiple of 32 bits.
Pad beacon to a multiple of 32 bits in preparation for the change
from memcpy_toio() to __iowrite32_copy() in register_multiwrite().
Signed-off-by: Wolfgang Kufner <wolfgang.kufner@gmail.com>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Stezenbach [Mon, 13 Dec 2010 11:38:49 +0000 (12:38 +0100)]
rt2x00: remove stray semicolon
The stray semicolon after DEBUG_PRINTK_MSG causes things
like "if (...) WARNING(...); else {}" to fail with syntax error.
Signed-off-by: Johannes Stezenbach <js@sig21.net>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Ivo van Doorn [Mon, 13 Dec 2010 11:36:38 +0000 (12:36 +0100)]
rt2x00: Fix WMM Queue naming
The Queue names were incorrectly copied from the legacy drivers,
as a result the queue names were inversed to what was expected.
This renames the queues using this mapping:
QID_AC_BK -> QID_AC_VO (priority 0)
QID_AC_BE -> QID_AC_VI (priority 1)
QID_AC_VI -> QID_AC_BE (priority 2)
QID_AC_VO -> QID_AC_BK (priority 3)
Note that this was a naming problem only, which didn't affect
the assignment of frames to their respective queues.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Ivo van Doorn [Mon, 13 Dec 2010 11:36:18 +0000 (12:36 +0100)]
rt2x00: Introduce extra queue entry sanity flag
Add a queue entry flag ENTRY_DATA_STATUS_PENDING,
which can be used to indicate a queue entry has
returned from the hardware and is waiting for
status processing. Using this flag we can add
some extra sanity checks to prevent queue corruption.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Ivo van Doorn [Mon, 13 Dec 2010 11:36:00 +0000 (12:36 +0100)]
rt2x00: Cleanup RX index counting
Add the rt2x00_dmastart function to rt2x00lib which
marks the queue_entry as "owned by device", and increased
the Q_INDEX number.
This cleanups up the index handling by rt2x00lib which
at until so far used hackish approaches to keep the
RX queue index numbering sane.
The rt2x00pci.c changes are from Helmut Schaa
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Ivo van Doorn [Mon, 13 Dec 2010 11:35:40 +0000 (12:35 +0100)]
rt2x00: Add "flush" queue command
Add a new command to the queue handlers: "flush",
this moves the flush() callback from mac80211
into rt2x00queue and adds support for flushing
the RX queue as well.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Ivo van Doorn [Mon, 13 Dec 2010 11:35:17 +0000 (12:35 +0100)]
rt2x00: Protect queue control with mutex
Add wrapper functions in rt2x00queue.c to
start & stop queues. This control must be protected
using a mutex.
Queues can also be paused which will halt the flow
of packets between the driver and mac80211. This doesn't
require a mutex protection.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Ivo van Doorn [Mon, 13 Dec 2010 11:34:54 +0000 (12:34 +0100)]
rt2x00: Reorganize queue callback functions
As part of the queue refactoring, change the queue callback
function names to have 3 different actions: start, kick & stop.
We can now also remove the STATE_RADIO_RX_ON/STATE_RADIO_RX_OFF
device_state flags, and replace the usage with using the
start_queue/stop_queue callback functions.
This streamlines the RX queue handling to the
similar approach as all other queues.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Ivo van Doorn [Mon, 13 Dec 2010 11:34:22 +0000 (12:34 +0100)]
rt2x00: Introduce 3 queue commands in drivers (start, kick, stop).
As part of the queue refactoring, we now introduce
3 queue commands: start, kick, stop.
- Start: will enable a queue, for TX this will
not mean anything, while for beacons and RX
this will update the registers to enable the queue.
- Kick: This will kick all pending frames to
the hardware. This is needed for the TX queue
to push all frames to the HW after the queue
has been started
- Stop: This will stop the queue in the hardware,
and cancel any pending work (So this doesn't
mean the queue is empty after a stop!).
Move all code from the drivers into the appropriate
functions, and link those calls to the old rt2x00lib
callback functions (we will fix this later when we
refactor the queue control inside rt2x00lib).
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Stezenbach [Mon, 13 Dec 2010 11:34:00 +0000 (12:34 +0100)]
rt2x00: trivial: add missing \n on warnings
Signed-off-by: Johannes Stezenbach <js@sig21.net>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Helmut Schaa [Mon, 13 Dec 2010 11:33:36 +0000 (12:33 +0100)]
rt2x00: Don't frequently reset beacon interval in AdHoc mode
Commit
0204464329c17ba6d293e1899f71223599a0e582 "Check for specific changed
flags when updating the erp config" changed the way in which a new beacon
interval gets handled. However, due to a bug in rt2800usb and rt2800pci the
beacon interval was reset during each scan, thus causing problems in AdHoc
mode.
Fix this by not cleaning up the beacon interval when killing the beacon queue
but just prevent the device from sending out beacons.
Reported-by: Wolfgang Kufner <wolfgang.kufner@gmail.com>
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Gertjan van Wingerde [Mon, 13 Dec 2010 11:33:12 +0000 (12:33 +0100)]
rt2x00: Ensure TX-ed frames are returned in the original state.
Recent changes to the TX-done code of rt2x00 resulted in TX-ed frames not
being returned to mac80211 in the original state, and therefore with
insufficient headroom for re-transmissions.
Fix this by reverting the changes done and by ensuring we remove the inserted
L2pad by moving the header backwards instead of the data forwards.
At the same time also make sure that the rt2x00queue_remove_l2pad will not
move any memory when a frame has no data at all.
Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Cc: Jay Hung <Jay_Hung@ralinktech.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Johannes Stezenbach [Mon, 13 Dec 2010 11:32:49 +0000 (12:32 +0100)]
rt2x00: fix hang when unplugging USB device in use
When an rt2x00 USB device is unplugged while in use, it reliably
hangs the whole system. After some time the watchdog prints:
BUG: soft lockup - CPU#0 stuck for 64s! [kworker/u:0:5]
...
[<
c01a88d8>] (usb_submit_urb+0x0/0x2ac) from [<
bf0e752c>] (rt2x00usb_kick_rx_entry+0xb4/0xe8 [rt2x00usb])
[<
bf0e7478>] (rt2x00usb_kick_rx_entry+0x0/0xe8 [rt2x00usb]) from [<
bf0e7588>] (rt2x00usb_clear_entry+x28/0x2c [rt2x00usb])
[<
bf0e7560>] (rt2x00usb_clear_entry+0x0/0x2c [rt2x00usb]) from [<
bf0d5bc4>] (rt2x00lib_rxdone+0x2e0/0x2f8 [rt2x00lib])
[<
bf0d58e4>] (rt2x00lib_rxdone+0x0/0x2f8 [rt2x00lib]) from [<
bf0e7e00>] (rt2x00usb_work_rxdone+0x54/0x74 [rt2x00usb])
[<
bf0e7dac>] (rt2x00usb_work_rxdone+0x0/0x74 [rt2x00usb]) from [<
c00542b4>] (process_one_work+0x20c/0x35c)
Clear the DEVICE_STATE_PRESENT flag when usb_submit_urb()
returns -ENODEV to fix this.
Signed-off-by: Johannes Stezenbach <js@sig21.net>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
RA-Jay Hung [Mon, 13 Dec 2010 11:32:22 +0000 (12:32 +0100)]
rt2x00: Add RF chip definition
Add RF chip definition
Signed-off-by: RA-Jay Hung <jay_hung@ralinktech.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Helmut Schaa [Mon, 13 Dec 2010 11:31:58 +0000 (12:31 +0100)]
rt2x00: Implement get_survey callback for rt2800
Implement the get_survey callback to allow user space to read statistics
about the current channel condition.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
RA-Jay Hung [Mon, 13 Dec 2010 11:31:27 +0000 (12:31 +0100)]
rt2x00: Add rt2800 EEPROM definition
Add and modify NIC Configuration and LED definition of EEPROM
Signed-off-by: RA-Jay Hung <jay_hung@ralinktech.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Felix Fietkau [Mon, 13 Dec 2010 07:40:56 +0000 (08:40 +0100)]
ath9k_hw: update AR9003 initvals to improve carrier leak calibration/correction
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Felix Fietkau [Mon, 13 Dec 2010 07:40:55 +0000 (08:40 +0100)]
ath9k_hw: update AR9003 initvals for improved radar detection
Reduces the likelihood of false pulse detects in the hardware
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Felix Fietkau [Mon, 13 Dec 2010 07:40:54 +0000 (08:40 +0100)]
ath9k_hw: fix PA predistortion training power selection
The EEPROM contains scale factors for the tx power, which define
the range of allowable difference between target power and training
power. If the difference is too big, PA predistortion cannot be used.
For 2.4 GHz there is only one scale factor, for 5 GHz there are
three, depending on the specific frequency range.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Felix Fietkau [Mon, 13 Dec 2010 07:40:53 +0000 (08:40 +0100)]
ath9k_hw: fix the PA predistortion rate mask
The EEPROM PAPRD rate mask fields only contain mask values for actual
rates in the low 25 bits. The upper bits are reserved for tx power
scale values. Add the proper mask definitions and use them before
writing the values to the register.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Felix Fietkau [Mon, 13 Dec 2010 07:40:52 +0000 (08:40 +0100)]
ath9k: fix PA predistortion thermal measurement handling
To be able to measure the thermal values correctly for PAPRD, we need
to send training frames before setting up the gain table for the measurement,
and then again afterwards for the actual training.
For further improvement, send training frames at MCS0 instead of 54 MBit/s
legacy. That way we can use the No-ACK flag for the transmission, which
speeds up PAPRD training in general, as the hardware won't have to
retransmit and wait for ACK timeout (was previously set to 4 * 6
transmission attempts).
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Felix Fietkau [Mon, 13 Dec 2010 07:40:51 +0000 (08:40 +0100)]
ath9k_hw: fix the slot time setting for long distance links
Testing shows that adjusting the slot time based on the coverage class
produces very high latencies and very low throughput on long distance links.
Adjusting only the ACK timeout and leaving the slot time at the regular
values - while technically not optimal for CSMA - works a lot better on
long links (tested with 10 km distance)
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Felix Fietkau [Mon, 13 Dec 2010 07:40:50 +0000 (08:40 +0100)]
ath9k_hw: initialize ah->slottime
(u32) -1 is not particularly useful as a slottime default, so even though
the ath9k_hw default should never get used, it's better to pick something
sane here.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Sujith Manoharan [Mon, 13 Dec 2010 02:09:32 +0000 (07:39 +0530)]
ath9k_htc: Add Ubiquiti wifistation ext to supported devices
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Felix Fietkau [Sat, 11 Dec 2010 23:51:14 +0000 (00:51 +0100)]
ath9k_hw: remove ah->txpower_indexoffset
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Felix Fietkau [Sat, 11 Dec 2010 23:51:13 +0000 (00:51 +0100)]
ath9k_hw: remove ah->beacon_interval
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Felix Fietkau [Sat, 11 Dec 2010 23:51:12 +0000 (00:51 +0100)]
ath9k_hw: clean up SREV version checks
There's no need to have separate callbacks for pre-AR9003 vs AR9003
SREV version checks, so just merge those into one function.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Felix Fietkau [Sat, 11 Dec 2010 23:51:11 +0000 (00:51 +0100)]
ath9k_hw: remove antenna configuration eeprom ops and variables
AR9280 based hardware with 3 antennas and slow antenna diversity has
not been seen in the wild and ath9k does not support that form of
antenna diversity, so remove the EEPROM ops for it.
These EEPROM ops are currently only used for setting the
AR_PHY_SWITCH_COM register, which is being done in the EEPROM specific
file already.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Felix Fietkau [Sat, 11 Dec 2010 23:51:10 +0000 (00:51 +0100)]
ath9k_hw: merge the ar9287 version of ath9k_hw_get_gain_boundaries_pdadcs
Also add a comment about a potential array overrun that needs to
be reviewed.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Felix Fietkau [Sat, 11 Dec 2010 23:51:09 +0000 (00:51 +0100)]
ath9k_hw: merge ath9k_hw_get_gain_boundaries_pdadcs between eeprom_def.c and eeprom_4k.c
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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