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Other uses were already used direct command paths.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Powersave looks like it got broken at some point but we'll fix that up
when the command submission stuff is more understandable, which this
series helps to do. That said, this patch should not further break
powersave.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Slightly different approach here since there are so many arguments to
the firmware command. Just let the caller fill them in before pushing
the command to the firmware.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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For now; it's a pretty easy command to hook up and whenever OLPC
figures out how they want the userspace interface to look (ie,
not iwpriv commands) we can easily add it back in. Since the
cfg80211 conversion it wasn't working anyway.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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It hasn't been hooked up to anything in a long time and it's not
even listed in any of the firmware documentation I have (and I
have v5.1, v8, v9, and v10).
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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These were no longer used but were left around; Transmit Power
Control is done through the lbs_set_tpc_cfg() function.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Convert to a full direct command; previous code rolled a direct
command by hand but left the original indirect command code intact
but disabled.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Convert to a full direct command; previous code rolled a direct
command by handle but left the original indirect command code
lying around.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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On our hardware (050d:7050 Belkin Components F5D7050 Wireless G Adapter),
setting any WEP key with non zero index, cause rx frames corruption.
Note: perhaps (I did not check) this can be fixed differently - by using
hw_key_idx the same as true MAC key index. But according to the comment in
rt2x00mac_set_key():
"the hardware requires keys to be assigned in correct order (When key 1
is provided but key 0 is not, then the key is not found by the hardware
during RX)"
this will be quite problematic. Since WEP should not be used, disabling
hardware crypto offload for it will not hurt much. Beside static
one key WEP will still be offloaded.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Without cipher part nullify of TXRX_CSR0 register we can receive
corrupted frames (removed IV or IVC), after reloading rt2500usb module
with nohwcrypt=1 option, if previous some keys were configured into
the hardware.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Fix rt2500usb hardware encryption broken by commit
96b61bafe22b2f2abcc833d651739edb977f1b1e
"rt2x00: Clean up USB vendor request buffer functions"
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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base index is not used anymore and so remove it.
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The user ratekbs of MCS15 ShortGI is incorrect and can not be lesser
than MCS15 rate. This incorrect rate may affect switching to higher
rates as the rate control algorithm always finds MCS15 is better
than MCS15 ShortGI and results in lower throughput. Fix this by
feeding the correct user ratekbs for MCS15 ShortGI rate.
This issue affects 3 stream case very badly as the 3 stream rates are
not used at all once we scale down to MCS15 from 3 stream rates.
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch adds 3 stream rate control support for AR938X family
chipsets which supports 3 streams.
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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replace valid and valid_single_stream in rate table with bit masks
and reorganize the code so adding 3x3 rate control would be easier.
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Key locking simplification removed key->sdata != NULL verification from
ieee80211_key_free(). While that is fine for most use cases, there is one
path where this function can be called with an unlinked key (i.e.,
key->sdata == NULL && key->local == NULL). This results in a NULL pointer
dereference with the current implementation. This is known to happen at
least with FT protocol when wpa_supplicant tries to configure the key
before association.
Avoid the issue by passing in the local pointer to
ieee80211_key_free(). In addition, do not clear the key from hw_accel
or debugfs if it has not yet been added. At least the hw_accel one could
trigger another NULL pointer dereference.
Signed-off-by: Jouni Malinen <j@w1.fi>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/holtmann/bluetooth-next-2.6
Conflicts:
drivers/net/wireless/iwlwifi/iwl-commands.h
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Since commit:
commit f1aa4c541e98afa8b770a75ccaa8504d0bff44a7
Author: Ivo van Doorn <ivdoorn@gmail.com>
Date: Tue Jun 29 21:38:55 2010 +0200
rt2x00: Write the BSSID to register when interface is added
mananged mode in rt2500pci was broken, due to intf->bssid containing
random data rather then the expected 00:00:00:00:00:00
This is corrected by sending the BSSID to rt2x00lib_config_intf
only in AP mode where the bssid is set to a valid value.
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>
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In AP mode, there is no need to notify the driver about QoS
changes for the monitor interface that is created. The warning
in ieee80211_bss_info_change_notify() would be hit otherwise.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The noisefloor array index always corresponds to the rx chain number it
belongs to (with an offset of 3 for the extension chain).
It's much simpler (and actually more correct) to directly use the
chainmask to calculate the bitmask for the noisefloor array, instead of
using these weird chip revision checks and hardcoded mask values.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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In the noisefloor array, the extension channel values start at index 3
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When the hardware is configured in HT20 mode, noise floor readings for
the extension channel often return invalid values, which keep the
values in the NF history buffer at the hardware-specific maximum limit.
Fix this by discarding the extension channel values when in HT20 mode.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When an aggregation session is being cleaned up, while the tx status
for some frames is being processed, the TID is flushed and its buffers
are sent out.
Unfortunately that left the pending un-acked frames unprocessed, thus
leaking buffers. Fix this by reordering the code so that those frames
are processed first, before the TID is flushed.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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I just had the following:
WARNING: at drivers/net/wireless/iwlwifi/iwl-agn-tx.c:574 iwlagn_tx_skb+0x1576/0x15f0 [iwlagn]()
Call Trace:
<IRQ> [<ffffffff8105c5df>] warn_slowpath_common+0x7f/0xc0
[<ffffffff8105c63a>] warn_slowpath_null+0x1a/0x20
[<ffffffffa0290b46>] iwlagn_tx_skb+0x1576/0x15f0 [iwlagn]
[<ffffffffa027076c>] iwl_mac_tx+0x5c/0x260 [iwlagn]
[<ffffffffa01bdf5b>] __ieee80211_tx+0x10b/0x1a0 [mac80211]
[<ffffffffa01bfb86>] ieee80211_tx_pending+0x186/0x2d0 [mac80211]
[<ffffffff81062ea5>] tasklet_action+0x125/0x130
[<ffffffff810634a6>] __do_softirq+0x106/0x270
[<ffffffff8100c09c>] call_softirq+0x1c/0x30
iwlagn 0000:02:00.0: Attempting to modify non-existing station 107
Note that 107 == 0x6b which is slab poison.
The reason is that mac80211 passed a freed station
pointer to mac80211, because as it happened iwlwifi
reset itself while mac80211 was disconnecting from
the network.
It turns out that we do take care to look up the
station pointer in ieee80211_tx_pending_skb, but
then don't use it, which obviously is a bug. Fix
this by removing the ieee80211_tx_h_sta handler
and assigning the station pointer directly.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Negate has precedence over comparison so the original test was always
false. (Neither 0 nor 1 are equal to NL80211_IFTYPE_MONITOR).
Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When wireless extensions are used to control
an encrypted IBSS, we erroneously can try to
set the default management key. Fix this.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Another remnant of the previous key locking scheme
needs to be removed -- this causes a warning
otherwise as ieee80211_set_default_mgmt_key will
acquire a mutex.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The "rd" variable isn't needed any more since 4f366c5dabcb
"wireless: only use alpha2 regulatory information from country IE"
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The intent was to free "msp->ratelist" here. "msp->sample_table" is
always NULL at this point.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Sometimes txq state(txq->stopped) can be marked as started but the actual
queue may not be started (in ATH_WIPHY_SCAN state, for example). Fix this.
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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snprintf() returns the number of characters that would have been written
(not counting the NUL character). So we can't use it as the limiter to
simple_read_from_buffer() without capping it first at sizeof(buf).
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The snprintf() function returns the number of characters that would have
been written (not counting the NUL character on the end). It could
potentially be larger than the size of the buffer.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Use kmemdup when some other buffer is immediately copied into the
allocated region.
A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression from,to,size,flag;
statement S;
@@
- to = \(kmalloc\|kzalloc\)(size,flag);
+ to = kmemdup(from,size,flag);
if (to==NULL || ...) S
- memcpy(to, from, size);
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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"It's not problematic if minstrel gets feedback for rates that it
doesn't have in its list, it should just ignore it. - Felix"
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Cc: Felix Fietkau <nbd@openwrt.org>
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If sta is NULL, we will have problems long before we get here...
Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Cc: Felix Fietkau <nbd@openwrt.org>
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The current practice of checking vif for NULL in one place but not
another seems to confuse some static checkers, smatch in particular.
Since vif will only be NULL in the case of internal scans, adjust the
checks accordingly.
Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The driver is already removed from drivers/staging. The wireless
extensions part is not really valid anymore either, since wext got moved
and refactored, etc.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The prism54 driver had an entry in feature-removal-schedule.txt and it
sees very little activity other than API-change "bombing runs". The
mac80211-based p54 driver should be used instead.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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CHECK drivers/net/wireless/rtl818x/rtl8180_rtl8225.c
drivers/net/wireless/rtl818x/rtl8180_rtl8225.c:53:33: warning: dubious: x | !y
The existing code is clever and works fine, but it's not worth even a
single line of Sparse warning SPAM...
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Adapted from Realtek-provided driver...
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Tested-by: Pauli Nieminen <suokkos@gmail.com>
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CHECK drivers/net/wireless/wl12xx/wl1251_tx.c
drivers/net/wireless/wl12xx/wl1251_tx.c:118:32: warning: incorrect type in assignment (different base types)
drivers/net/wireless/wl12xx/wl1251_tx.c:118:32: expected unsigned short [unsigned] [usertype] frag_threshold
drivers/net/wireless/wl12xx/wl1251_tx.c:118:32: got restricted __le16 [usertype] <noident>
drivers/net/wireless/wl12xx/wl1251_tx.c:164:24: warning: incorrect type in assignment (different base types)
drivers/net/wireless/wl12xx/wl1251_tx.c:164:24: expected unsigned short [unsigned] [usertype] length
drivers/net/wireless/wl12xx/wl1251_tx.c:164:24: got restricted __le16 [usertype] <noident>
drivers/net/wireless/wl12xx/wl1251_tx.c:166:22: warning: incorrect type in assignment (different base types)
drivers/net/wireless/wl12xx/wl1251_tx.c:166:22: expected unsigned short [unsigned] [usertype] rate
drivers/net/wireless/wl12xx/wl1251_tx.c:166:22: got restricted __le16 [usertype] <noident>
drivers/net/wireless/wl12xx/wl1251_tx.c:167:29: warning: incorrect type in assignment (different base types)
drivers/net/wireless/wl12xx/wl1251_tx.c:167:29: expected unsigned int [unsigned] [usertype] expiry_time
drivers/net/wireless/wl12xx/wl1251_tx.c:167:29: got restricted __le32 [usertype] <noident>
drivers/net/wireless/wl12xx/wl1251_tx.c:200:43: warning: incorrect type in argument 1 (different base types)
drivers/net/wireless/wl12xx/wl1251_tx.c:200:43: expected restricted __le16 [usertype] fc
drivers/net/wireless/wl12xx/wl1251_tx.c:200:43: got unsigned short [unsigned] [assigned] [usertype] fc
CHECK drivers/net/wireless/wl12xx/wl1251_cmd.c
drivers/net/wireless/wl12xx/wl1251_cmd.c:428:39: warning: incorrect type in assignment (different base types)
drivers/net/wireless/wl12xx/wl1251_cmd.c:428:39: expected unsigned int [unsigned] [usertype] rx_config_options
drivers/net/wireless/wl12xx/wl1251_cmd.c:428:39: got restricted __le32 [usertype] <noident>
drivers/net/wireless/wl12xx/wl1251_cmd.c:429:39: warning: incorrect type in assignment (different base types)
drivers/net/wireless/wl12xx/wl1251_cmd.c:429:39: expected unsigned int [unsigned] [usertype] rx_filter_options
drivers/net/wireless/wl12xx/wl1251_cmd.c:429:39: got restricted __le32 [usertype] <noident>
drivers/net/wireless/wl12xx/wl1251_cmd.c:435:29: warning: incorrect type in assignment (different base types)
drivers/net/wireless/wl12xx/wl1251_cmd.c:435:29: expected unsigned short [unsigned] [usertype] tx_rate
drivers/net/wireless/wl12xx/wl1251_cmd.c:435:29: got restricted __le16 [usertype] <noident>
drivers/net/wireless/wl12xx/wl1251_cmd.c:439:47: warning: incorrect type in assignment (different base types)
drivers/net/wireless/wl12xx/wl1251_cmd.c:439:47: expected unsigned int [unsigned] [usertype] min_duration
drivers/net/wireless/wl12xx/wl1251_cmd.c:439:47: got restricted __le32 [usertype] <noident>
drivers/net/wireless/wl12xx/wl1251_cmd.c:441:47: warning: incorrect type in assignment (different base types)
drivers/net/wireless/wl12xx/wl1251_cmd.c:441:47: expected unsigned int [unsigned] [usertype] max_duration
drivers/net/wireless/wl12xx/wl1251_cmd.c:441:47: got restricted __le32 [usertype] <noident>
CHECK drivers/net/wireless/wl12xx/wl1251_boot.c
drivers/net/wireless/wl12xx/wl1251_boot.c:228:22: warning: symbol 'interrupt' shadows an earlier one
/home/linville/git/wireless-next-2.6/arch/x86/include/asm/hw_irq.h:132:13: originally declared here
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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