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2012-11-30brcmsmac: move PHY functionsPiotr Haber1-50/+52
Move functions in preparation for 4313iPA changes Reviewed-by: Arend Van Spriel <arend@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Signed-off-by: Piotr Haber <phaber@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30brcmsmac: hardware info in debugfsPiotr Haber4-1/+144
Put basic information about hardware in debugfs. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Piotr Haber <phaber@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Acked-by: Seth Forshee <seth.forshee@canonical.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30brcmsmac: fix bounds checking in tx/rxPiotr Haber1-13/+17
brcms_b_txstatus and brcms_b_recv are off by one when doing bounds checking on number of packets to process Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Piotr Haber <phaber@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30brcmsmac: cleanup in isr codePiotr Haber3-24/+13
brcms_c_isr returns true if interrupt was for us and if dpc should be scheduled which is the same thing. Simplify it. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Piotr Haber <phaber@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30brcmsmac: handle packet drop during transmit correctlyPiotr Haber3-8/+11
The .tx() callback function can drop packets when there is no space in the DMA fifo. Propagate that information to caller and make sure the freed sk_buff reference is not accessed. Reviewed-by: Arend van Spriel <arend@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Piotr Haber <phaber@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30brcm80211: update the MAINTAINERS fileArend van Spriel1-2/+1
Organizational changes need to be reflected in the MAINTAINERS file. The contact info on wireless.kernel.org has also been updated. Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30wireless: allow Atheros card to not depend on ath.koVladimir Kondratiev5-2/+9
There are 2 different things: - sub-menu for "Atheros Wireless cards" family - module ath.ko with common Atheros code Until now, they both used to depend on the same Kconfig variable ATH_COMMON. Thus, being "Atheros card" and "depending on ath.ko" was the same. To allow module to belong to the "Atheros Wireless cards" family but not use ath.ko, 2 conditions above need to be separated. So, this patch introduce new Kconfig variable ATH_CARDS for belonging to the "Atheros Wireless Cards" family; while ATH_COMMON becomes hidden variable to express dependency on common Atheros code in ath.ko. Modules that depend on this common code now express it by setting ATH_COMMON. Right now, ath6kl do not depend on common code and thus do not set ATH_COMMON. Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30ath9k: Remove redundant NULL assignmentSujith Manoharan1-1/+0
'bf_next' is cleared using ATH_TXBUF_RESET() in both the callsites of ath_tx_get_buffer(). Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30ath9k: Implement sta_add_debugfs/sta_remove_debugfsSujith Manoharan4-3/+111
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30ath9k: Replace WME_NUM_TID with IEEE80211_NUM_TIDSSujith Manoharan3-6/+5
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30ath9k: Move ethtool functions to debug.cSujith Manoharan3-127/+127
The ethtool statistics are available only when CONFIG_ATH9K_DEBUGFS is enabled, move these functions to debug.c Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30rt2x00: Use addr_mask to disallow invalid MAC addresses in mutli-bssid modeHelmut Schaa1-0/+7
Reported-by: Petr Stetiar <ynezz@true.cz> Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30mwifiex: advertise GreenField, 40MHz intolerance support to cfg80211Avinash Patil2-0/+17
This patch adds support for advertising GreenField, 40MHz intolerance or LDPC coding support to cfg80211. 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>
2012-11-30ath9k: Fix buffer overflow errorRajkumar Manoharan1-1/+2
The commit "ath9k: stomp audio profiles on weak signal strength" failed to take care of new stomp type while programming concurrent tx priority. That leads to array index out of bounds access. drivers/net/wireless/ath/ath9k/btcoex.c:414 ath9k_hw_btcoex_set_concur_txprio() error: buffer overflow 'stomp_txprio' 4 <= 4 Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30ssb: extif: fix compile errorsHauke Mehrtens2-7/+49
If CONFIG_SSB_EMBEDDED or CONFIG_SSB_DRIVER_MIPS is set and CONFIG_SSB_DRIVER_EXTIF is not set, it will cause compile problems because of missing functions. This patch fixes these problems. The mips driver now also uses ssb_chipco_available() instead of checking bus->chipco.dev manually. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30bcma: handle return value of pci_assign_resourceHauke Mehrtens1-3/+7
This fixes the following warning: CC drivers/bcma/driver_pci_host.o drivers/bcma/driver_pci_host.c: In function 'bcma_core_pci_fixup_addresses': drivers/bcma/driver_pci_host.c:555:23: error: ignoring return value of 'pci_assign_resource', declared with attribute warn_unused_result [-Werror=unused-result] Reported-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-30mac80211: simplify loop in minstrel_htJohannes Berg1-5/+3
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30cfg80211: fix BSS struct IE access racesJohannes Berg12-284/+353
When a BSS struct is updated, the IEs are currently overwritten or freed. This can lead to races if some other CPU is accessing the BSS struct and using the IEs concurrently. Fix this by always allocating the IEs in a new struct that holds the data and length and protecting access to this new struct with RCU. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30mac80211: remove probe response temporary buffer allocationJohannes Berg6-30/+25
Instead of allocating a temporary buffer to build IEs build them right into the SKB. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30mac80211: make ieee80211_build_preq_ies saferJohannes Berg3-17/+41
Instead of assuming 200 bytes are always enough for all the IEs we add, give the length of the buffer to the function and warn instead of overrunning. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30cfg80211: fix cmp_hidden_bssJohannes Berg1-4/+14
The cmp_bss() comparator function uses memcmp() to compare the SSID. This means that cmp_hidden_bss() needs to similarly return a number bigger than zero (use 1) instead of -1 when ie1 is bigger than ie2, which is the case if an ie2 byte is non-zero. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30cfg80211: fix whitespace in scan handlingJohannes Berg1-16/+13
Fix a number of indentation and similar issues. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30cfg80211: don't BUG_ON BSS struct issuesJohannes Berg1-2/+4
There's no need to stop the machine, just leak the BSS entry if there's an issue with its hold counter when freeing. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30mac80211: allow userspace registration for probe requests in IBSSAntonio Quartulli1-1/+2
This change allows userspace to register for probe request frames on an IBSS interface. Userspace then has to handle them and send replies. Signed-off-by: Antonio Quartulli <antonio@open-mesh.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-30mac80211: fix for mesh sync to indicate TBTT adjustmentMarco Porsch1-0/+4
Currently the mesh sync code checks, whether peers indicate TBTT adjustment, but it never sets the corresponding flag itself. By setting ifmsh->tbtt_adjusting to true, it will set the corresponding field in the mesh configuration IE of own beacons. This indication will be set in the current beacon. The TBTT adjustment will be performed afterwards, affecting the next beacon. Thus, the first beacon with stable TBTT will not indicate adjustment anymore and peers will continue tracking the new offset. Signed-off-by: Marco Porsch <marco.porsch@etit.tu-chemnitz.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-29nl80211: Fix HT_IBSS feature check in ibss_joinSimon Wunderlich1-0/+1
There is a standalone if, seems to be a regression of commit "nl80211/cfg80211: add VHT MCS support". Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-29mac80211: add debugfs file for last rx rateSaravana1-0/+18
Add a debugfs file showing the rate at which the last packet is received. Signed-off-by: Saravana <saravanad@posedge.com> [fix whitespace] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-29mac80211: re-organize the rx rate calculation logicSaravana2-28/+35
Currently the logic to fill a struct rate_info with a STA's last RX rate is accessible only in the cfg.c. As the RX rate calculation might be needed elsewhere, split this out into a separate function. Signed-off-by: Saravana <saravanad@posedge.com> [fix various whitespace issues, reword commit log] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-29mac80211: add debugfs file for current tx rateSaravana1-0/+16
Add a debugfs file showing the current tx rate. The information available in the rc_stats file doesn't evidently provides us the current tx rate. This patch adds the support for the same. Signed-off-by: Saravana <saravanad@posedge.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-29mac80211: add debugfs file for last ack signalSaravana3-0/+7
Add a debugfs file showing the signal strength of the ack frame that is received for the currently sent tx packet Signed-off-by: Saravana <saravanad@posedge.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-29cfg80211: Remove unused VHT chan codeMahesh Palivela1-27/+1
Cleanup of unused VHT channel config related code. Signed-off-by: Mahesh Palivela <maheshp@posedge.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-28NFC: Fix incorrect llcp pointer dereferenceWaldemar Rymarkiewicz1-1/+4
nfc_llcp_ns(s) dereferences the s pointer which is freed a line above. In a result, it can produce a crash or you will read incorrect value. Signed-off-by: Waldemar Rymarkiewicz <waldemar.rymarkiewicz@tieto.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-11-28mac80211: don't reinit rate control when mesh sta existsHelmut Schaa1-1/+2
This fixes some unintended resets of the rate control statistics when minstrel_ht is used resulting in non-optimal throughput on mesh links. Tested-by: Emanuel Taube <emanuel.taube@gmail.com> Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-28mac80211: reject setting masked mac addressesHelmut Schaa1-0/+45
If a driver registers an address mask we should ensure that no interface gets an address assigned that isn't covered by the registered address mask. This prevents invalid configurations from reaching the device and causing problems. Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> [change function flow to reduce indentation, fix locking] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-28mac80211: fix potential NULL dereferenceDan Carpenter1-1/+1
Smatch complains that we could dereference skb later in the function. It's probably unlikely, but we may as well return here and avoid it. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> [change summary] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-28nl80211: remove unnecessary checksJohannes Berg1-3/+2
The CQM TX-error rate/interval can't be less than zero since they're unsigned values, remove checks. Also fix indentation of the function. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-27mac80211: support P2P GO powersave configurationJohannes Berg2-2/+16
If the low-level driver wants to support P2P GO powersave configuration, it must set the cfg80211 flags and mac80211 will pass the parameters to it. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-27nl80211: support P2P GO powersave configurationJohannes Berg3-0/+79
If a driver supports P2P GO powersave, allow it to set the new feature flags for it and allow userspace to configure the parameters for it. This can be done at GO startup and later changed with SET_BSS. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-27mac80211: support (partial) VHT radiotap informationJohannes Berg4-0/+71
Add some information that we have about VHT to radiotap. This at least lets one see the MCS and NSS information. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-27mac80211: support VHT associationJohannes Berg3-72/+313
Determine the VHT channel from the AP's VHT operation IE (if present) and configure the hardware to that channel if it is supported. If channel contexts cause a channel to not be usable, try a smaller bandwidth. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-27cfg80211: rework chandef checking and export itJohannes Berg4-72/+85
Some of the chandef checking that we do in cfg80211 to check if a channel is supported or not is also needed in mac80211, so rework that a bit and export the functions that are needed. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-11-26bcma: add more package IDsHauke Mehrtens1-0/+5
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-26p54: improve TSF timestamp precisionChristian Lamparter1-1/+5
The LMAC API states that the TSF clock value of every rx'ed frame is a "usec accurate timestamp of the hardware clock at the end of frame (before OFDM SIFS EOF padding)". Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-26iwlwifi: initialize rx_statusJohannes Berg1-1/+1
The vendor radiotap patch added a few fields to struct ieee80211_rx_status that need to be zero, initialize the struct instead of using whatever was left on the stack. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Tested-by: Kalle Valo <kvalo@adurom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-26iwlegacy: initialize rx_statusJohannes Berg2-2/+2
The vendor radiotap patch added a few fields to struct ieee80211_rx_status that need to be zero, initialize the struct instead of using whatever was left on the stack. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-26brcmsmac: Add __printf verification to logging prototypesJoe Perches1-2/+8
Adding __printf helps spot format and argument mismatches. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-26Merge branch 'for-john' of ↵John W. Linville55-1062/+1642
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
2012-11-26mac80211: fix remain-on-channel (non-)cancellingJohannes Berg1-2/+0
Felix Liao reported that when an interface is set DOWN while another interface is executing a ROC, the warning in ieee80211_start_next_roc() (about the first item on the list having started already) triggers. This is because ieee80211_roc_purge() calls it even if it never actually changed the list of ROC items. To fix this, simply remove the function call. If it is needed then it will be done by the ieee80211_sw_roc_work() function when the ROC item that is being removed while active is cleaned up. Cc: stable@vger.kernel.org Reported-by: Felix Liao <Felix.Liao@watchguard.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-11-26Merge branch 'for-john' of ↵John W. Linville1-6/+6
git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes
2012-11-26cfg80211: fix some tracing output issuesJohannes Berg1-76/+73
In some cases, e.g. probe_status, there were spaces missing so the trace output was confusing. Also make it more like mac80211 when printing netdevs/wiphys to make reading a combined log easier. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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