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2013-01-30ath9k: drop spectral packets after processing themSimon Wunderlich
Spectral packets are "bogus" packets and should not be further evaluated by the RX path. Statistics are added to keep track of these packets. Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30ath9k: add debug parameters for spectral scanSimon Wunderlich
Export the various parameters to userspace. Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30mwifiex: fix invalid access of PCIe RxBD ring buffer descriptorAvinash Patil
This patch fixes invalid access of RxBD ring buffer descriptor's length and flag inside PCIe send_data_complete() routine. We are supposed to modify TxBD buffer descriptor's length and flag here. Signed-off-by: Avinash Patil <patila@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30rt2x00: print chip and firmware version by defaultStanislaw Gruszka
Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl> Tested-by: Xose Vazquez Perez <xose.vazquez@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30drivers/net/wireless/iwlegacy/4965-mac.c: adjust duplicate testJulia Lawall
Delete successive tests to the same location. This looks like simple code duplication. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @s exists@ local idexpression y; expression x,e; @@ *if ( \(x == NULL\|IS_ERR(x)\|y != 0\) ) { ... when forall return ...; } ... when != \(y = e\|y += e\|y -= e\|y |= e\|y &= e\|y++\|y--\|&y\) when != \(XT_GETPAGE(...,y)\|WMI_CMD_BUF(...)\) *if ( \(x == NULL\|IS_ERR(x)\|y != 0\) ) { ... when forall return ...; } // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-30Merge branch 'for-john' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
2013-01-30Merge branch 'for-john' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
2013-01-29Merge branch 'for-linville' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/luca/wl12xx Conflicts: drivers/net/wireless/ti/wlcore/main.c
2013-01-28Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless Conflicts: drivers/net/wireless/ath/ath9k/main.c drivers/net/wireless/iwlwifi/dvm/tx.c
2013-01-24mac80211: provide the vif in rssi_callbackEmmanuel Grumbach
Since drivers can support several BSS / P2P Client interfaces, the rssi callback needs to inform the driver about the interface teh rssi event relates to. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-01-24iwlwifi: provide RX page orderEmmanuel Grumbach
When the pages are to be used by front-end, it may need to know the page order, provide it. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-01-24iwlwifi: update copyrightJohannes Berg
Update Copyright notices to 2013. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-01-22ath9k_hw: remove a useless WARN_ONFelix Fietkau
&ah->curchan->ani can never be NULL Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-22ath9k_hw: reduce struct ar5416AniState sizeFelix Fietkau
It is kept per-channel, so removing unnecessary (or constant) fields from it can save quite a bit of memory. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-22ath9k_hw: remove ath9k_hw_ani_setup and its variablesFelix Fietkau
They are no longer needed for ANI functionality Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-22ath9k_hw: make the initval parameter to ath9k_hw_write_array constFelix Fietkau
Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-22ath9k: use ath_tx_process_buffer instead of open-coding similar codeFelix Fietkau
Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-22ath9k: clean up processing of pending tx frames on resetFelix Fietkau
Dropping packets from aggregation sessions is usually not a good idea, as it might upset the synchronization of the BlockAck receive window of the remote node. The use of the retry_tx parameter to reset/tx-drain functions also seemed a bit arbitrary. This patch removes this parameter altogether and ensures that pending tx frames are not dropped for no good reason. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-22ath9k: stop rx after txFelix Fietkau
Completing frame transmission can fail if the rx engine is stopped prematurely, as the hw might be waiting for an ACK from the other side. Shutting down tx before rx might make the DMA shutdown more reliable. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-22net: wireless/rtlwifi: fix uninitialized variable issueCong Ding
The use of variable packet_beacon might be uninitialized in the three files. Signed-off-by: Cong Ding <dinggnu@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-22iwlegacy: don't return zero on failure paths in il4965_pci_probe()Alexey Khoroshilov
If hardware is not ready, il4965_pci_probe() breaks off initialization, deallocates all resources, but returns zero. The patch adds -EIO as return value in this case. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-22mwl8k: don't return zero on failure paths in mwl8k_probe[_hw]()Alexey Khoroshilov
If pci_iomap() fails in mwl8k_probe(), it breaks off initialization, deallocates all resources, but returns zero. There is a similar issue when priv->rxd_ops is NULL in mwl8k_probe_hw(). The patch adds proper error code return values. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-22mwifiex: correction in status codes used for association failureAmitkumar Karwar
When AP responds with appropriate status code, we forward that code correctly to cfg80211. But sometimes when there is no response from AP, our firmware uses proprietary status codes. We will map authentication timeout to WLAN_STATUS_AUTH_TIMEOUT and other proprietary codes to WLAN_STATUS_UNSPECIFIED_FAILURE. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-22rt2x00: Improve TX status handling for BlockAckReq framesHelmut Schaa
Since rt2800 hardware isn't capable of reporting the TX status of BlockAckReq frames implement the TX status handling of BARs in rt2x00lib. We keep track of all BARs that are send out and try to match incoming BAs to the appropriate BARs. This allows us to report a more or less accurate TX status for BAR frames which in turn improves BA session stability. This is loosley based on Christian Lamparter's patch for carl9170 "carl9170: fix HT peer BA session corruption". We have to walk the list of pending BARs for every rx'red BA even though most BAs don't belong to any of these BARs as they are just acknowledging an AMPDU. To keep that overhead low use RCU which allows us to walk the list of pending BARs without the need to acquire a lock. This however requires us to _copy_ relevant information from the BAR (RA, TA, control field, start sequence number) into our BAR list entry. Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Tested-by: Andreas Hartmann <andihartmann@01019freenet.de> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-22prism54: bug in getting auth typeDan Carpenter
There is a missing break statement so SHARED_KEY authentication doesn't work. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-22b43: N-PHY: fix gain in b43_nphy_get_gain_ctl_workaround_ent()Dan Carpenter
There were no break statements in this switch statement so everything used the default settings. Per Walter Harms's suggestion, I've replaced the switch statement and done a little cleanup. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-22drivers/net/wireless: need consider the not '\0' terminated string.Chen Gang
in ray_cs.c: the a_current_ess_id is "Null terminated unless ESSID_SIZE long" so we need buffer it with '\0' firstly, before using strlen or %s. additional information: in drivers/net/wireless/rayctl.h: "NULL terminated unless 32 long" is a comment at line 616, 664 ESSID_SIZE is 32, at line 190 in include/uapi/linux/wireless.h: IW_ESSID_MAX_SIZE is also 32 in drivers/net/wireless/ray_cs.c: use strncpy for it, without '\0' terminated, at line 639 use memcpy for it, assume not '\0' terminated in line 1092..1097 buffer it with '\0' firstly, before using %s, in line 2576, 2598..2600 Signed-off-by: Chen Gang <gang.chen@asianux.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-22ath9k_hw: fix RF bank initializationFelix Fietkau
ar900*_init_mode_regs needs to be called before RF banks are allocated, otherwise the storage size of RF banks isn't known. This patch fixes a memory overrun that can show up as a crash on unloading the module. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-22Merge branch 'for-john' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
2013-01-22Merge branch 'for-john' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
2013-01-22mwifiex: fix typo in PCIe adapter NULL checkAvinash Patil
Add missing "!" as we are supposed to check "!card->adapter" in PCIe suspend handler. Cc: "3.2+" <stable@vger.kernel.org> Signed-off-by: Avinash Patil <patila@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Reviewed-by: Sergey V. <sftp.mtuci@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-22ath9k: allow setting arbitrary antenna masks on AR9003+Felix Fietkau
Cc: stable@vger.kernel.org Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-22ath9k_hw: fix chain swap setting when setting rx chainmask to 5Felix Fietkau
Chain swapping should only be enabled when the EEPROM chainmask is set to 5, regardless of what the runtime chainmask is. Cc: stable@vger.kernel.org Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-22ath9k_hw: fix calibration issues on chainmask that don't include chain 0Felix Fietkau
Cc: stable@vger.kernel.org Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-22rtlwifi: Fix build warning introduced by commit a290593Larry Finger
The kbuild test robot reports the following warning with x86_64-randconfig-x955: warning: (RTL8192CE && RTL8192SE && RTL8192DE && RTL8723AE && RTL8192CU) selects RTLWIFI which has unmet direct dependencies (NETDEVICES && WLAN && (RTL8192CE || RTL8192CU || RTL8192SE || RTL8192DE)) This warning was introduced in commit a290593, "rtlwifi: Modify files for addition of rtl8723ae", and is d ue to a missing dependence of RTLWIFI on RTL8723AE. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: kbuild test robot <fengguang.wu@intel.com> Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-22iwlegacy: fix IBSS cleanupStanislaw Gruszka
We do not correctly change interface type when switching from IBSS mode to STA mode, that results in microcode errors. Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=886946 Reported-by: Jaroslav Skarvada <jskarvad@redhat.com> Cc: stable@vger.kernel.org Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-22Merge branch 'for-john' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes
2013-01-18mac80211: remove ARP filter enable/disable logicJohannes Berg
Depending on the driver, having ARP filtering for some addresses may be possible. Remove the logic that tracks whether ARP filter is enabled or not and give the driver the total number of addresses instead of the length of the list so it can make its own decision. Reviewed-by: Luciano Coelho <coelho@ti.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-01-18Merge branch 'wl12xx-next' into for-linvilleLuciano Coelho
Conflicts: drivers/net/wireless/ti/wl12xx/main.c drivers/net/wireless/ti/wlcore/wlcore.h
2013-01-16iwlwifi: improve the reports in TX pathEmmanuel Grumbach
Also when things go wrong (queues don't get emtpy), try to get some data from the HW. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-01-16iwlwifi: audit single frames from AGG queue in RSEmmanuel Grumbach
The rate scaling won't treat the information in a frame with IEEE80211_TX_CTL_AMPDU set if IEEE80211_TX_STAT_AMPDU is cleared. But all the frames coming from an AGG tx queue have IEEE80211_TX_CTL_AMPDU set, and IEEE80211_TX_STAT_AMPDU is set only if the frame was sent in an AMPDU. This means that all the data in frames in AGG tx queues that aren't sent as an AMPDU is thrown away. This is even more harmful when in bad link conditions, the frames are sent in an AMPDU and then finally sent as single frame. So a lot of failures weren't reported and the rate scaling got stuck in high rates leading to very poor connectivity. Fix that by clearing IEEE80211_TX_CTL_AMPDU when the frame isn't part of an AMPDU. This bug was introduced by 2eb81a40aa521035ff9c8c8309e482dff523f8c9 iwlwifi: don't clear CTL_AMPDU on frame status This fix basically reverts the aforementioned commit. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-01-16iwlwifi: enable communication with WoWLAN firmwareJohannes Berg
On resuming, the opmode may have to be able to talk to the WoWLAN/D3 firmware in order to query it about its status and wakeup reasons. To do that, the opmode has to call the new d3_resume() transport API which will set up the device for command communcation. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-01-16iwlwifi: simplify scheduler memory clearingJohannes Berg
Writing 130 dwords into the device one by one is rather inefficient, every one needs to lock, grab NIC access (a few register reads/writes) and then write the address and data registers. Use the new memory clearing function to make this easier and faster. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-01-16iwlwifi: allow to zero SRAMEmmanuel Grumbach
Sending a NULL pointer to iwl_trans_write_mem allows now to zero SRAM. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-01-16iwlwifi: don't enable all interrupts on resumingJohannes Berg
Enabling the RF-kill interrupt is sufficient for getting RF-kill notifications, and no other interrupt is needed as the device isn't functional when suspended and will be restarted/reconfigured when mac80211 resumes it later. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-01-16iwlwifi: don't memset scalar valuesJohannes Berg
The dma_addr_t type is a scalar value, so it should just be assigned, not memset. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-01-14bcma: use consistent case for 'hex' constantsNathan Hintz
Signed-off-by: Nathan Hintz <nlhintz@hotmail.com> Acked-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-14bcma: add support for 1 and 2 byte extended config space accessNathan Hintz
The sanity checks allow 1 and 2 byte reads/writes of the extended PCI config space to proceed; however, the code only supports 4 byte reads/writes. This patch adds support for 1 and 2 byte reads/writes of the extended PCI config space. Signed-off-by: Nathan Hintz <nlhintz@hotmail.com> Acked-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-14bcma: don't map/unmap a subset of the PCI config spaceNathan Hintz
For PCI config space access offsets < 256 for device '0', bcma_extpci_write_config performs an 'ioremap_nocache' on a 4 byte section of the PCI config space (an area that has already previously been mapped), and then subsequently unmaps that 4 byte section. This can't be a good thing for future read access from that now unmapped location. Modify the config space writes to use the existing access functions (similar to how it is done for the reads). Signed-off-by: Nathan Hintz <nlhintz@hotmail.com> Acked-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-01-14bcma: jump to 'out' label for invalid 'func' valueNathan Hintz
Consistently jump to the 'out' label for error conditions (adds missing check for 'func' validity in bcma_extpci_write_config). Signed-off-by: Nathan Hintz <nlhintz@hotmail.com> Acked-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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