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2010-10-15ath9k: Null out references to stale pointers.Ben Greear
This doesn't fix any problem that I'm aware of, but should make it harder to add use-after-free type bugs in the future. Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-15ath9k: Remove bf_dmacontext.Ben Greear
The bf_dmacontext seems to be totally useless and duplicated by bf_buf_addr. Remove it entirely, use bf_buf_addr in its place. Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-15b43: N-PHY: put 2056-radio's specific code in separated fileRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-15ath9k_hw: remove AR9003 2.0 supportLuis R. Rodriguez
These chipsets will not hit the market, all customers will be on >= AR9003 2.2. This shaves down the ath9k_hw size by 24161 bytes (24 KB) on my system. Before: $ size drivers/net/wireless/ath/ath9k/ath9k_hw.ko text data bss dec hex filename 292328 616 1824 294768 47f70 drivers/net/wireless/ath/ath9k/ath9k_hw.ko $ du -b drivers/net/wireless/ath/ath9k/ath9k_hw.ko 5987825 drivers/net/wireless/ath/ath9k/ath9k_hw.ko After: $ size drivers/net/wireless/ath/ath9k/ath9k_hw.ko text data bss dec hex filename 277192 616 1824 279632 44450 drivers/net/wireless/ath/ath9k/ath9k_hw.ko $ du -b drivers/net/wireless/ath/ath9k/ath9k_hw.ko 5963664 drivers/net/wireless/ath/ath9k/ath9k_hw.ko Cc: Yixiang Li <yixiang.li@atheros.com> Cc: Don Breslin <don.breslin@atheros.com> Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-15b43: N-PHY: put radio-specific code in separated fileRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-15b43: N-PHY: fix typo: read table when caching IQ LO calibration (do not write)Rafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-15b43: N-PHY: replace N-specific radio_chanspec with common codeRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-15ath9k_htc: set probe request rx filterRajkumar Manoharan
This patch enables to receive probe request frames on p2p client mode. Signed-off-by: Rajkumar Manoharan <rmanoharan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-15libertas: Communicate USB transfer errorsPaul Fox
The return code was being overwritten with -1. Useful for debugging. Signed-off-by: Paul Fox <pgf@laptop.org> Signed-off-by: Daniel Drake <dsd@laptop.org> Acked-by: Dan Williams <dcbw@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-15ath9k_hw: remove enum wireless_mode and its usersFelix Fietkau
The wireless mode bitfield was only used to detect 2.4 and 5 GHz support, which can be simplified by using ATH9K_HW_CAP_* capabilities. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-15ath9k: remove sc->cur_rate_table and sc->cur_rate_modeFelix Fietkau
Set the rate table in the rc module properly based on band and HT capabilities instead, which was already partially done, but not for every mode. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-15ath9k: make rate control debugfs stats per stationFelix Fietkau
Move them to the same debugfs file that the other rc modules use. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-15ath9k: add missing locking around ath9k_hw_proc_mib_eventFelix Fietkau
ath9k_hw_proc_mib_event updates the cycle counters, so it common->cc_lock must be acquired. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-15ath9k_hw: fix PHY counter overflow handling in ANI v1Felix Fietkau
PHY counter overflows need to be checked for the old ANI version, because of its use of interrupt based counter overflow reports when the counters exceed the configured thresholds. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-15ath9k_hw: fix division by zero in the ANI monitor codeFelix Fietkau
The commit "ath9k_hw: remove code duplication in phy error counter handling" split off some duplicate code into a separate function, but did not have a return code for aborting ANI processing based on counter values. This introduced a divide by zero issue. This patch adds the missing return code check in ath9k_hw_ani_monitor Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-15ath9k: do not track cycle counter updates in powersave modeFelix Fietkau
While the chip is in powersave mode, the cycle counter updates do not contain useful values. While the chip is in full sleep, the rx_clear signal stays high, indicating a busy medium. To ensure sane values, update cycle counters before going into powersave, and clear them right after switching back to awake. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-14iwlwifi: move agn only eeprom functions to separate fileWey-Yi Guy
Some of the functions in iwl-eeprom.c file are for agn devices only, Those functions do not have to be part of iwlcore.ko, so move those to iwl-agn-eeprom.c file. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-10-14iwlagn: check beacon frame sizeJohannes Berg
When the beacon_skb is NULL, we might still attempt to use it in this code path (if we ever get here) -- make the code a bit more defensive and check the return value of iwl_fill_beacon_frame() against zero. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-10-14iwlwifi: blink LED in IBSS modeJohannes Berg
We recently found that contrary to expectations, the LED is not blinking in IBSS mode. Fix this. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-10-14iwlwifi: rewrite RXON checksJohannes Berg
The RXON checking is a bit magical, and prints out too much information if something goes wrong. Make it less magical and print out only the items that were actually wrong. Also remove the comment about removing it -- the driver is constantly changing so these checks are useful. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2010-10-14iwlagn: 6050 ops should be used;Wey-Yi Guy
For 6050 series of devices, 6050 ops should be used; One of the 6050 config still use 6000 ops, fix it. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-10-14iwlwifi: clean up some beacon handlingJohannes Berg
There's no need to check for NULL before calling dev_kfree_skb() since it is valid to call it on NULL -- it becomes a no-op. There's also no need to initialise the beacon_skb variable to NULL just after the memory it is in has been kzalloc'ed. Some minor whitespace cleanups, and a lock assertion in a function that needs the mutex (to access the beacon_skb var) complete the patch. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-10-14iwlwifi: rename ibss_beacon variableJohannes Berg
Since we're also going to support AP (GO) mode, the variable isn't used for just IBSS beacons any more -- rename it to not mislead readers. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-10-14iwlwifi: allow probe-after-rx on 2.4 GHzJohannes Berg
There are two passive 2.4 GHz channels: 12 and 13. If you have a hidden SSID on those, you will not be able to connect to it because we don't send out probe requests there. We can allow this by using the firmware's probe-after-rx functionality on those channels as well. This fixes https://bugzilla.kernel.org/show_bug.cgi?id=16462 Reported-by: Daniel J Blueman <daniel.blueman@gmail.com> Tested-by: Daniel J Blueman <daniel.blueman@gmail.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-10-14iwlgn: need longer tx queue stuck timer for coex devicesWey-Yi Guy
For BT/WiFi combo devices, need longer tx stuck queue timer, so those devices won't reload firmware too often. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-10-13ath9k: Fix potential use-after-free.Ben Greear
The ath_debug_stat_tx references bf->bf_mpdu, which is the skb consumed by ath_tx_complete. So, call the ath_debug_stat_tx method first. Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-13ath9k: Set RX filter for Probe Request based on filter flagJouni Malinen
This allows mac80211 to enable receiving of Probe Request frames in station mode which is needed for P2P. Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-13ath9k: Fix documentation in rate controlMohammed Shafi Shajakhan
This fix updates the documenation in Rate Control Table structure Signed-off-by: Mohammed Shafi Shajakhan <mshajakhan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-13ath5k: Move debugfs under ieee80211/[wiphy-name]Ben Greear
This automatically keeps things proper when wiphy is renamed. Based on patch by Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Ben Greear <greearb@candelatech.com> Acked-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-12ath5k: fix build break from "ath5k: Print out opmode in debugfs"Joe Perches
Also improve ath_opmode_to_string usage by having it return UNKNOWN rather than NULL in the event of failure to map the opmode value to a representative string. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-12Merge branch 'wireless-next-2.6' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-2.6
2010-10-12iwl3945: fix queue allocationJohannes Berg
commit 6f98613258b966ffe0e6def18129b386514d10e0 Author: Jay Sternberg <jay.e.sternberg@intel.com> Date: Sat Sep 18 09:07:04 2010 -0700 iwlagn: reduce redundant parameter definitions broke 3945 because Jay accidentally removed the num_of_queues parameter for 3945, so that we now attempt to allocate a zero-sized queue array, which leads to SLUB returning ZERO_SIZE_PTR (0x10) which we then try to dereference thus crashing the system. Restore the necessary num_of_queues param. This fixes http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=2254 Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-10-12iwlagn: prio_tbl need to download before calibrationWey-Yi Guy
For WiFi/BT combo devices, priority table always need to download before perform any calibration operation. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-10-12iiwlagn: always download priority tableWey-Yi Guy
For advance BT/WiFi co-exist, always download bt priority table before sending bt_config command Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-10-11rt2x00: Fix URB error handlingIvo van Doorn
kill_urb guarentees that when the function returns, the URB has been fully killed. This means we don't need the extra sleeping after the call to kill_urb. kill_urb can however also guarentee the submit_urb to fail, as a result, we must catch the return value from submit_urb an correctly mark the entry as owned by the driver, and the status as broken. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-11rt2x00: Don't perform watchdog checks on empty queueIvo van Doorn
The currently used watchdog functions cannot be applied to empty 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>
2010-10-11rt2x00: Make queue_entry flags access atomicIvo van Doorn
All access to the queue_entry->flags can be done concurrently, so all flags must use the atomic operators. On most locations this was already done, so just fix the last few non-atomic versions. 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>
2010-10-11rt2x00: Fix dead queue when skb allocation failedIvo van Doorn
When the RX skb allocation failed, we should recycle the previously allocated skbuffer. By calling return we would kill the RX queue completely since the entry would be invalidated. 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>
2010-10-11rt2x00: Validate MCS on RX pathIvo van Doorn
Similar to the PLCP signal and bitrates values, we should validate the MCS value from the RX descriptor before sending it to mac80211. 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>
2010-10-11rt2x00: Move watchdog work to kernel work_queueIvo van Doorn
The watchdog function must run on a work_queue which is independent of any other work inside rt2x00. The main reasons, being that a broken work on the mac80211 work_queue can otherwise prevent the watchdog to run (while in fact the watchdog could fix the issue). And on the other hand because the watchdog relies on the completion of the completion handlers for RX/TX which for the USB case, occur on the mac80211 workqueue. This fixes some "Queue %d failed to flush" errors, which were caused by the watchdog function waiting on the completion handler which was scheduled to run right after the watchdog. 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>
2010-10-11rt2x00: Simplify Queue function argumentsIvo van Doorn
A lot of functions accept a struct rt2x00_dev combined with either a struct queue_entry or struct data_queue argument. This can be simplified by only passing on the queue/entry argument. In cases where rt2x00_dev and a sk_buff are send together, we can send the queue_entry instead. rt2x00usb_alloc_urb and rt2x00usb_free_urb have a bit of vague naming. Instead they allocate all the data which belongs to a rt2x00 data queue entry. 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>
2010-10-11WIRELESS: at76c50x, remove unneeded NULL checkJiri Slaby
Stanse found that urb cannot be NULL in at76_rx_tasklet because it is dereferenced earlier, so remove the unneeded check. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-11b43: N-PHY: prepare for rev3+ channel tablesRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-11b43: N-PHY: fix logic in band switchingRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-11b43: N-PHY: store info about current channel's typeRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-11b43: N-PHY: grab more info about new channelRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-11ath9k: built-in rate control A-MPDU fixBjörn Smedman
This patch attempts to ensure that ath9k's built-in rate control algorithm does not rely on the value of the ampdu_len and ampdu_ack_len tx status fields unless the IEEE80211_TX_STAT_AMPDU flag is set. This patch has not been tested. Cc: <stable@kernel.org> Signed-off-by: Björn Smedman <bjorn.smedman@venatech.se> Acked-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-11ath9k: A-MPDU rate control info fixBjörn Smedman
This patch fixes the following problems with the rate control feedback generated by ath9k for A-MPDU frames: 1. Rate control feedback is carried on the first frame of an aggregate that is either ACKed, or has execeeded the software retry count and is considered failed. However, ath9k would incorrectly assume the aggregate had the length 1 if one of these conditions did not apply to the first frame of the aggregate, but instead a later frame. This fix therefor copies the bf_nframes field of the buffer in the same manner as the rates field of the tx status. 2. Sometimes the ampdu_len and ampdu_ack_len fields of the tx status was left uninitialized eventhough the IEEE80211_TX_STAT_AMPDU flag was set. This is now avoid by setting flag and fields in the same place. 3. Even if a frame has been selected for aggregation by mac80211 and marked with the IEEE80211_TX_CTL_AMPDU flag it can sometimes happen that ath9k transmits the frame without aggregation. In these cases the ampdu_ack_len field could be incorrectly computed because the nbad parameter to ath_tx_rc_status was incorrect. Cc: <stable@kernel.org> Signed-off-by: Björn Smedman <bjorn.smedman@venatech.se> Acked-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-11wl1251: move to it's own directoryKalle Valo
wl1271 driver is under heavy development but on the other hand the older wl1251 driver is currently considered more as a legacy driver. To make it easier to develop wl1271 features move wl1251 to it's own directory, drivers/net/wireless/wl1251. There are no functional changes, only moving of files. One regression is that Kconfig won't be updated automatically and user needs to enable wl1251 manually with an older config file. Signed-off-by: Kalle Valo <kvalo@adurom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-10-11wl1251: create a copy of wl12xx_80211.h for wl1251Kalle Valo
In preparation of moving wl1251 out from drivers/net/wireless/wl12xx create a separate copy of wl12xx_80211.h. This file should not even exist, we should instead use generic ieee80211 definitions. This will be fixed in the future so that the file can be removed. Signed-off-by: Kalle Valo <kvalo@adurom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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