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Driver rtl8192cu can connect to WPA2 networks, but fails for any other
encryption method. The cause is a failure to set the rate control data
blocks. These changes fix https://bugzilla.redhat.com/show_bug.cgi?id=952793
and https://bugzilla.redhat.com/show_bug.cgi?id=761525.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When reading the contents of '/sys/kernel/debug/mwifiex/p2p0/info',
the following panic occurs:
$ cat /sys/kernel/debug/mwifiex/p2p0/info
Unable to handle kernel paging request at virtual address 74706164
pgd = de530000
[74706164] *pgd=00000000
Internal error: Oops: 5 [#1] SMP ARM
Modules linked in: phy_twl4030_usb omap2430 musb_hdrc mwifiex_sdio mwifiex
CPU: 0 PID: 1635 Comm: cat Not tainted 3.10.0-rc1-00010-g1268390 #1
task: de16b6c0 ti: de048000 task.ti: de048000
PC is at strnlen+0xc/0x4c
LR is at string+0x3c/0xf8
pc : [<c02c123c>] lr : [<c02c2d1c>] psr: a0000013
sp : de049e10 ip : c06efba0 fp : de6d2092
r10: bf01a260 r9 : ffffffff r8 : 74706164
r7 : 0000ffff r6 : ffffffff r5 : de6d209c r4 : 00000000
r3 : ff0a0004 r2 : 74706164 r1 : ffffffff r0 : 74706164
Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
Control: 10c5387d Table: 9e530019 DAC: 00000015
Process cat (pid: 1635, stack limit = 0xde048240)
Stack: (0xde049e10 to 0xde04a000)
9e00: de6d2092 00000002 bf01a25e de6d209c
9e20: de049e80 c02c438c 0000000a ff0a0004 ffffffff 00000000 00000000 de049e48
9e40: 00000000 2192df6d ff0a0004 ffffffff 00000000 de6d2092 de049ef8 bef3cc00
9e60: de6b0000 dc358000 de6d2000 00000000 00000003 c02c45a4 bf01790c bf01a254
9e80: 74706164 bf018698 00000000 de59c3c0 de048000 de049f80 00001000 bef3cc00
9ea0: 00000008 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9ec0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9ee0: 00000000 00000000 00000000 00000001 00000000 00000000 6669776d 20786569
9f00: 20302e31 2e343128 392e3636 3231702e 00202933 00000000 00000003 c0294898
9f20: 00000000 00000000 00000000 00000000 de59c3c0 c0107c04 de554000 de59c3c0
9f40: 00001000 bef3cc00 de049f80 bef3cc00 de049f80 00000000 00000003 c0108a00
9f60: de048000 de59c3c0 00000000 00000000 de59c3c0 00001000 bef3cc00 c0108b60
9f80: 00000000 00000000 00001000 bef3cc00 00000003 00000003 c0014128 de048000
9fa0: 00000000 c0013f80 00001000 bef3cc00 00000003 bef3cc00 00001000 00000000
9fc0: 00001000 bef3cc00 00000003 00000003 00000001 00000001 00000001 00000003
9fe0: 00000000 bef3cbdc 00011984 b6f1127c 60000010 00000003 18dbdd2c 7f7bfffd
[<c02c123c>] (strnlen+0xc/0x4c) from [<c02c2d1c>] (string+0x3c/0xf8)
[<c02c2d1c>] (string+0x3c/0xf8) from [<c02c438c>] (vsnprintf+0x1e8/0x3e8)
[<c02c438c>] (vsnprintf+0x1e8/0x3e8) from [<c02c45a4>] (sprintf+0x18/0x24)
[<c02c45a4>] (sprintf+0x18/0x24) from [<bf01790c>] (mwifiex_info_read+0xfc/0x3e8 [mwifiex])
[<bf01790c>] (mwifiex_info_read+0xfc/0x3e8 [mwifiex]) from [<c0108a00>] (vfs_read+0xb0/0x144)
[<c0108a00>] (vfs_read+0xb0/0x144) from [<c0108b60>] (SyS_read+0x44/0x70)
[<c0108b60>] (SyS_read+0x44/0x70) from [<c0013f80>] (ret_fast_syscall+0x0/0x30)
Code: e12fff1e e3510000 e1a02000 0a00000d (e5d03000)
---[ end trace ca98273dc605a04f ]---
The panic is caused by the mwifiex_info_read() routine assuming that
there can only be four modes (0-3) which is an invalid assumption.
For example, when testing P2P, the mode is '8' (P2P_CLIENT) so the
code accesses data beyond the bounds of the bss_modes[] array which
causes the panic. Fix this by updating bss_modes[] to support the
current list of modes and adding a check to prevent the out-of-bounds
access from occuring in the future when more modes are added.
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Acked-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The register offsets have been changed in SD8897 and newer chips.
Define a new btmrvl_sdio_card_reg map for SD88xx.
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: Frank Huang <frankh@marvell.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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iwlmvm does not support concurrent operation of AP with P2P Client/GO.
Update the interface limits to reflect that iwlmvm supports only
concurrent operation of station with AP and P2P Client/GO.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The MCAST queue should be enabled after DTIM only.
According to fw API, the MCAST must not be attached to any
station, but should appear in the mcast_qid of the AP's
mac context only.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The firmware API wasn't being used correctly, fix that.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We only need EXPORT_SYMBOL_GPL, none of the other things
from module.h, so only include export.h.
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This can happen during development but can cause problems,
WARN (once) and go on.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Reviewed-by: Guy Cohen <guy.cohen@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This code moved and is now far away from the code that takes
the mutex.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Signed-off-by: Solomon Peachy <pizza@shaftnet.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This is only really useful for people who are bringing up new hardware
designs and have access to the proprietary vendor tools that interface
with this mode.
It'll live out of tree until it's rewritten to use a less kludgy interface.
Signed-off-by: Solomon Peachy <pizza@shaftnet.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This can live on as an out-of-tree patch for those that care.
Signed-off-by: Solomon Peachy <pizza@shaftnet.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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cfg80211 passes a NULL channel to mgmt_tx if the frame has
to be sent on the one currently in use by the device.
Make the implementation of mgmt_tx correctly handle this
case
Cc: Nicolas Cavallari <Nicolas.Cavallari@lri.fr>
Acked-by: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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cfg80211 passes a NULL channel to mgmt_tx if the frame has
to be sent on the one currently in use by the device.
Make the implementation of mgmt_tx correctly handle this
case
Cc: brcm80211-dev-list@broadcom.com
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Support for rt2800 device is broken since my
'rt2x00: rt2x00dev: use rt2x00dev->tx->limit'
patch. The changelog of that commit says that the
TX data queue is initialized already when the
rt2x00lib_probe_hw() function is called.
However as Jakub noticed it, this statement is not
correct. The queue->limit field is initialized in
the rt2x00queue_alloc_entries routine and that is
not yet called when rt2x00lib_probe_hw() runs.
Because the value of tx->limit contains zero, the
driver tries to allocate a kernel fifo with zero
size and kfifo_alloc rejects that with -EINVAL.
PCI: Enabling device 0000:01:00.0 (0000 -> 0002)
ieee80211 phy1: rt2x00_set_rt: Info - RT chipset 3071, rev 021c detected
ieee80211 phy1: rt2x00_set_rf: Info - RF chipset 0008 detected
ieee80211 phy1: rt2x00lib_probe_dev: Error - Failed to initialize hw
rt2800pci: probe of 0000:01:00.0 failed with error -22
Move the data_queue field initialization from
the rt2x00queue_alloc_entries routine into the
rt2x00queue_init function. The initialization
code is not strictly related to the allocation,
and the change ensures that the queue_data fields
can be used in the probe routines.
The patch also introduces a helper function in
order to be able to get the correct data_queue_desc
structure for a given queue. This helper is only
needed temporarily and it will be removed later.
Reported-by: Jakub Kicinski <moorray@wp.pl>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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GCC 4.8 is spitting out uninitialized-variable warnings against
"drivers/net/wireless/rtlwifi/rtl8192de/dm.c".
drivers/net/wireless/rtlwifi/rtl8192de/dm.c:941:31:
error: 'ofdm_index_old[1]' may be used uninitialized in this
function [-Werror=maybe-uninitialized]
rtlpriv->dm.ofdm_index[i] = ofdm_index_old[i];
This patch adds initialization to the variable and properly sets its value.
Signed-off-by: Yunlian Jiang <yunlian@google.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
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Check for allocation failures and return -ENOMEM. The caller
already expects it.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This has only one caller and rates[] is an array with
IEEE80211_TX_MAX_RATES (4) elements.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The optional debugfs interface to the vendor's engineering tools wasn't
bounds checking at all, which made it trivial to perform a buffer
overflow if this interface was compiled in and then explicitly enabled
at runtime.
This patch checks both the length supplied as part of the data to ensure
it is sane, and also the amount of data compared to the remaining buffer
space. If either is too large, fail immediately.
(This bug was spotted by Dan Carpenter <dan.carpenter@oracle.com>)
Signed-off-by: Solomon Peachy <pizza@shaftnet.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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goto after return is wrong.
The other code in this block needs to set an
error value then goto an error release block.
This one doesn't need to release anything and
was likely a copy/paste remainder.
Signed-off-by: Joe Perches <joe@perches.com>
Acked-By: Solomon Peachy <pizza@shaftnet.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This function doesn't actually exist, remove its declaration.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Currently beacon availability upon association is marked by have_beacon
flag of assoc_data structure that becomes unavailable when association
completes. However beacon availability indication is required also after
association to inform a driver. Currently dtim_period parameter is used
for this purpose. Move have_beacon flag to another structure, persistant
throughout a interface's life cycle. Use suitable sematics for beacon
availability indication.
Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
[fix another instance of BSS_CHANGED_DTIM_PERIOD in docs]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The Thermal Throttling code could do that, fix it.
Signed-off-by: Eytan Lifshitz <eytan.lifshitz@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In multicast, there is no retries nor RTS since there is no
specific recipient that can ACK or send CTS. This means
that we must not use the rate scale table for multicast
frames.
This true for any frame that doesn't have a valid
ieee80211_sta pointer.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In unassociated BSS STA mode FW verifies both power save and power
management flags to decide on switching power off. The driver currently
sets power management flag according to mac80211 decision. As result, in
unassociated mode power management flag is down and power consumption is
high. Change power management enablement. When unassociated in BPS and
LP power save modes enable power management regardless of mac80211
decision. Rely on mac80211 decision if associated. Add power management
state update during associated/disassociated modes transitions.
Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Currently vif_count verification for power management enablement appear
in different places. Move these verifications to one place in
iwl_mvm_update_power_mode().
Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The AP mode needs to use the MCAST fifo for the MCAST
frames sent after the DTIM. This fifo needs to be
configured with the same parameters as the VOICE FIFO.
A separate SCD queue is mapped to this fifo - the cab_queue
(cab stands for Content After Beacon). This queue isn't
connected to any station, but rather to the MAC context.
This queue should (and is already) be set as the MCAST
queue - this is part of the of MAC context command.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Since SCAN related handlers are much less likely than
beacon related handlers, reorder between them.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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According to the FW implementation, the quota command should
have a valid entry for each active binding (where 'active' in
this context means that the binding is known to the FW). In case
the binding should not get any quota, the 'quota' should be set
to zero.
Not setting an 0 quota for an active binding when all the MACs
in the binding are idle, i.e., not associated in case of managed
interface, will result in preventing the FW scheduler from entering
IDLE state and the FW from transitioning to low PS.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When CMD_SEND_IN_RFKILL is set, it is perfectly legitimate
to send a host command while RFKILL is asserted. In this
case, the host command sending functions should return 0
even if RFKILL is asserted.
Signed-off-by: Eran Harary <eran.harary@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Another step in the rate control / BT Coex integration
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Otherwise WiFi would kill BT.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This holds for existing BA agreements.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There was a typo in the Loose LUT for BT Coex.
Fix that.
Reported-by: Roi Cohen <roi.cohen@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Merge to get the wil6210 changes that a cfg80211 change needs.
A conflict in drivers/net/wireless/ath/ath9k/init.c was just
whitespace changes.
Also fix a semantic conflict due to cw1200 using WoWLAN which
I had modified in my tree.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Move message to debug mode to reduce log spam under heavy tx (iperf) load.
This message prints in ht debug mode only:
brcms_c_ampdu_dotxstatus_complete: Pkt tx suppressed, illegal channel
possibly 153
Signed-off-by: John Greene <jogreene@redhat.com>
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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ANI state can be maintained globally instead of per-channel.
This reduces memory usage and since default values are used
during a scan run, per-channel state is not required.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The macros ATH9K_ANI_USE_OFDM_WEAK_SIG can be removed.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The check "enable_ani" is not required since it is always
set to true and the logic for disabling/enabling ANI via
debugfs is done at a higher layer.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The only card with which WoW has been tested and verified is
AR9462. Do not enable it for all cards since WoW is really quirky
and needs to be tested properly with each chip.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Process and update the internal RSSI average, which
is used by ANI, after verifying that the received
frame has valid rate information.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Pci_enable_device() will set device power state to D0,
so it's no need to do it again in ipw2100_pci_init_one().
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
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My previous patch just moved the file, but it also needed to be renamed
to conform to proper conventions.
Signed-off-by: Solomon Peachy <pizza@shaftnet.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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